1. System Overview
With computer technology, control technology, communication technology and the rapid development of information technology, people living, working environment, safety and comfort requirements of growing, intelligent building came into being. Intelligent building usually contains three basic elements, namely, building automation system (BAS), the organic integration of communication, so that buildings can provide a reasonable, efficient, comfortable, safe, convenient living and working environment. Among them, the building automation control system intelligent building is an important part.
Building automation control system is on the building of various electrical and mechanical facilities to conduct a comprehensive computer monitoring and management, such as air conditioning systems, water supply and drainage system, power distribution systems, lighting systems, elevators, fire, safety systems; through on each Zi system monitoring, control, information recording, to achieve decentralized and centralized energy control and scientific management, to provide building a good working environment for building managers to provide convenient management tool, thereby reducing the buildings energy consumption and reduce management cost.
1.1 Design Standards
"Intelligent building design" (GB/T20314-2000)
"Intelligent Building Design Standards" (DBJ08-47-95)
"Civil electrical design" (JGJ/T16-92)
"Chinese heating ventilation and air conditioning design" (GBJ19-87)
"China's interior drainage design of water supply" (15-74)
"China works of electrical installations for construction and acceptance" (GBJ232-90-92)
"China Design Code of Tall Buildings" (GBJ45-90-92)
2. System
2.1 The air conditioning system monitoring
2.1.1 Source of hot and cold water system monitoring
Intelligent Building in the cold and heat sources include cooling water, chilled water and hot water preparation system, which monitors the following features:
* Monitoring of cooling water system
The role of the cooling water system through the cooling tower and cooling water pump and piping system to provide cold water to the refrigerator, the main purpose of monitoring is to ensure that cooling tower fan, safe operation of the cooling water pump; to ensure there are enough side refrigerator condenser cooling water through; under outdoor climate conditions and adjust the cooling water cooling load operating conditions, so that the cooling water temperature within the required setting.
* Chilled water system monitoring
Chilled water system consists of chilled water circulation pump through the pipeline system to connect freezer evaporator and a variety of cold water user equipment (such as air conditioners and fan coil) form. The main purpose of its monitoring freezer evaporator to ensure sufficient water through the evaporator in order to work properly; to provide enough chilled water to meet the requirements of water; to meet the requirements of the subject to minimize the pump power achieve energy-saving operation.
* Preparation of a system for monitoring water
Hot water preparation system as the main heat exchanger equipment, its role is to produce life, air conditioning and heating with hot water. Monitoring of this system the main purpose is to monitor the water conditions to ensure the normal cycle of hot water system to control heat exchange process to ensure the required parameters of heating water.
Heating and cooling systems among some of our hot water only for testing, so monitor the effects of cold source will directly determine the quality of the Intelligent Building, Building Automation, is the focus of program design.
⑴ major monitoring equipment
Chillers, chilled water systems, cooling water system
⑵ monitoring content
Detection of refrigeration station cooling water chillers and chilled water temperature and water flow.
Cooling station test the temperature of chilled water pipes and flow, water temperature and flow back, the catchment and water separator temperature.
Cooling station test the temperature of cooling water pipes, water pipes back to the temperature.
Monitoring cooling water pump switch command, the switch status, fault status.
Chilled water pump control switch command, the switch status, fault status.
Cooling tower fan switch command, the switch status, fault status.
System supply and return water pressure and bypass valve adjustment instructions.
Cold water system, electric butterfly valve at the beginning of instruction.
Unit starts the device through the color graphics display running status, fault status, parameter values and operating parameters Limit Alarm, the mouse can be any personal settings to achieve optimal operating condition.
A list of every point unit reported a trend graph parameters, alarm display and summary.
The device can run time accumulated.
⑶ chillers into the order according to the following principles:
(The system automatically determine the readiness of all equipment, such as whether automatic, if not failure, etc., only in automatic state, and trouble-free operation of equipment will be rotating.)
① cooler start request, the system opens the corresponding valve and cooling valve frozen.
② cooling loop, when the cooling water valve fully open signal return, the number of statistical cooling valve open, the scheduler starts cooling tower system.
③ cooling tower system must first open the valve, water valve fully open signal is received back to open the inlet valve, when entered, the valve returns are for the full-state, the station cooling towers in place. Next, according to the total cooling water supply and return water temperature determine the start and stop the cooling tower fan.
④ cooling valve, cooling valve to open after the tower and out, according to the number of cooling water valves fully open the cooling water pump start and stop the rotating schedule.
⑤ frozen back on the road, according to statistics the number of frozen water valves open, start and stop the rotating schedule of the number of frozen water pump.
⑥ cooling water pump, chilled water pumps are operating, the system detects that the cooling loop, chilled water loop state as "flow." At this point once again confirmed that the request signal change cooler, you can start the cold machine.
⑸ cooler down the order is based on the following principles:
① system shutdown signal received cooler cooler immediately stop running.
② cold machine shutdown received signal, in order to make better use of resources, delay 300 seconds and then stop the operation of chilled water pumps, chilled water as possible fully utilized. Chilled water pumps shut down after the freezing cold plane the corresponding valve.
③ cooling loop to stop running in the cooler after the action in the following order
Stop the cooling water pump to stop operation of the cooling tower fan operation à à à Close the inlet valve closing valve closed cooler corresponding cooling water valve.
④ complete the above steps, the system shutdown to complete.
Note: Some features of the above from the freezer suppliers provide, BA provides the interface.
2.1.2 Air conditioning and ventilation system equipment monitoring
Regulation of air conditioning units corresponding region targeted temperature and humidity, so the input signal into the device to be transferred in the region also include the temperature and humidity signals. When adjusted area is large, should be installed in groups of temperature and humidity measuring point, to the point of measurement signals or key positions in the average measured value as the feedback signal; if he transferred the regional and air conditioning units installed on-site distance DDC device When can a intelligent, dedicated data collection devices mounted in the region was transferred, after the measurement information processing will be measured through the field bus signal sent to the air conditioning DDC device. In the control mode on the general form of the cascade regulation to prevent interference with indoor and outdoor heat, air conditioning thermal inertia of the region and various valves by non-linear and other factors. For the air conditioning unit with air return, apart from ensuring the treated air parameters to meet the comfort requirements, but also the energy problem. Because of the return air, need to add new, air return air parameters measured points. Return air duct, but there is a big inertia, making the return air air condition is not exactly the same state of indoor air, so indoor air parameters of the signal must be the sensor in air-conditioned area to obtain. In addition, the fresh air, return air mixing, air circulation disorder, the temperature is also uneven, difficult to get the average mixed air parameters. Therefore, do not measure the mixing air condition, also without the state any basis for DDC control.
The building's air conditioning and ventilation system includes air-conditioning unit, new air handling unit, send / exhaust machine. Air conditioning and ventilation system on the one hand as a tool for exchange of hot and cold, to ensure the building indoor temperature to meet user requirements; on the other hand to balance out the whole building's air volume, the new air units to supplement the indoor air, air-conditioning unit control indoor air quality, and various types of exhaust fan is discharged over the dirty air. Building Automation System (BAS) is designed to that is the logic according to start and stop certain fans equipment, monitoring of relevant parameters, control the various valves in chilled water valve and open and so on.
⑴ control air conditioning units
Main monitoring equipment: air conditioning unit
⑵ monitoring content
Monitoring air conditioning equipment start and stop, start and stop equipment status, fault status
Detection of a new air conditioner air / return air mixed air temperature and humidity, air temperature and humidity
Air conditioning chilled water valve adjustment
Air conditioner damper adjustment
Outdoor temperature / humidity testing
When the filter blocking alarm
2.1.3 Monitoring of fresh air unit
Fresh air unit in the fresh air unit to monitor the air - water heat exchanger, through the summer into the cold water on the fresh air cooling and dehumidification of air in winter through into the hot water heating, dry steam humidifier for the winter on the new air humidification. The new air unit for monitoring requirements are as follows:
Detection: Monitoring fan motor run / stop state; monitoring fan exit air temperature, humidity parameters; monitoring of pressure on both sides of the new air filter to see if the filter needs to be replaced; monitor the new air valve open / closed state;
Control: control fan start / stop; control air - water heat exchanger water side valves to fan outlet temperature reaches the set value; control of dry steam humidifier valve, so that the air humidity in winter fan reaches the set value of exports .
Protection: the winter when the water temperature causes a reduction or suspension of hot water when the fan should stop, and close the fresh air valve, the temperature is too low to prevent the cracking unit of air - water heat exchanger; when the water normal heating, should be able to start the fan, open a new air valve and restore normal work unit.
Centralized management functions: intelligent building near the unit through the DDC control system and the corresponding field bus connected to a central management unit, so the unit can display on / off state, supply air temperature, humidity, the valve state value; send any unit Kai / stop control signal, modifying air parameter settings; any unusual work of fresh air unit, the alarm signal.
⑴ major monitoring equipment: new air handling units
⑵ monitoring content
New fan start and stop monitoring equipment, equipment start and stop status, fault status
Detect the new fan of air temperature and humidity
The new chilled water valve control fan
Filter clogging
2.1.4 blower, exhaust fan control
Ventilation system of the regional fresh air, indoor carbon dioxide levels to set the start and stop supply and exhaust timing to achieve the fresh air at the same time ensuring conservation of energy.
⑴ major monitoring equipment: delivery, exhaust fan
⑵ monitor content:
Monitoring delivery, exhaust fan equipment start and stop, start and stop equipment status, fault status
Test delivery, exhaust fan running status
Equipment overload alarm
⑶ monitoring program
Floor under the fan service features and the use of different functions, procedures were set independently of the time. Time associated with this process to start and stop fans, system monitoring equipment while the operation status and fault condition.
1. System Overview
With computer technology, control technology, communication technology and the rapid development of information technology, people living, working environment, safety and comfort requirements of growing, intelligent building came into being. Intelligent building usually contains three basic elements, namely, building automation system (BAS), the organic integration of communication, so that buildings can provide a reasonable, efficient, comfortable, safe, convenient living and working environment. Among them, the building automation control system intelligent building is an important part.
Building automation control system is the right building in the various electrical and mechanical facilities Quanmian of computer monitoring management, such as air conditioning cooling system to the drainage system, variable power distribution systems, lighting systems, elevators, Xiao Fang, Anquanfangfan systems, etc.; through on each sub system monitoring, control, information recording, to achieve decentralized control and centralized energy-saving scientific management, to building users provide a good working environment for building managers to provide easy management tools, thereby reducing the buildings energy consumption and reduce management cost.
1.1 Design Standards
"Intelligent building design" (GB/T20314-2000)
"Intelligent Building Design Standards" (DBJ08-47-95)
"Civil electrical design" (JGJ/T16-92)
"Chinese heating ventilation and air conditioning design" (GBJ19-87)
"China's interior drainage design of water supply" (15-74)
"China works of electrical installations for construction and acceptance" (GBJ232-90-92)
"China Design Code of Tall Buildings" (GBJ45-90-92)
2. System
2.1 The air conditioning system monitoring
2.1.1 Source of hot and cold water system monitoring
Intelligent Building in the cold and heat sources include cooling water, chilled water and hot water preparation system, which monitors the following features:
* Monitoring of cooling water system
The role of the cooling water system through the cooling tower and cooling water pump and piping system to provide cold water to the refrigerator, the main purpose of monitoring is to ensure that cooling tower fan, safe operation of the cooling water pump; to ensure there is enough side refrigerator condenser cooling water through; under outdoor climate conditions and adjust the cooling water cooling load operating conditions, so that the cooling water temperature within the required setting.
* Chilled water system monitoring
Chilled water system consists of chilled water circulation pump through the pipeline system to connect freezer evaporator and a variety of cold water user equipment (such as air conditioners and fan coil) form. The main purpose of its monitoring of the refrigeration machine is to ensure the water evaporation device Tongguo enough to make the evaporator Zhengchang work; to provide adequate refrigeration Shui to meet the requirements of water; to meet the requirements of possibly under the prerequisite Jianshao power pumps achieve energy-saving operation.
* Preparation of a system for monitoring water
Hot water preparation system as the main heat exchanger equipment, its role is to produce life, air conditioning and heating with hot water. Monitoring of this system the main purpose is to monitor the water conditions to ensure the normal circulation of hot water system to control heat exchange process to ensure the required parameters of heating water.
Heating and cooling systems among some of our hot water only for testing, so monitor the effects of cold source will directly determine the quality of the Intelligent Building, Building Automation, is the focus of program design.
⑴ major monitoring equipment
Chillers, chilled water systems, cooling water system
⑵ monitoring content
Detection of refrigeration station cooling water chillers and chilled water from the water temperature and flow rate.
Cooling station test the temperature of chilled water pipes and flow, water temperature and flow back, the catchment and water separator temperature.
Cooling station test the temperature of cooling water pipes, water pipes back to the temperature.
Monitoring cooling water pump switch command, the switch status, fault status.
Chilled water pump control switch command, the switch status, fault status.
Cooling tower fan switch command, the switch status, fault status.
System supply and return water pressure and bypass valve adjustment instructions.
Cold water system, electric butterfly valve at the beginning of instruction.
Unit starts the device through the color graphics display running status, fault status, parameter values and operating parameters Limit Alarm, the mouse can be any personal settings to achieve optimal operating condition.
A list of every point unit reported a trend graph parameters, alarm display and summary.
The device can run time accumulated.
⑶ chillers into the order according to the following principles:
(The system automatically determine the readiness of all equipment, such as whether automatic, if not failure, etc., only in automatic state, and trouble-free operation of equipment will be rotating.)
① cooler start request, the system opens the corresponding valve and cooling valve frozen.
② cooling loop, when the cooling water valve fully open signal return, the number of statistical cooling valve open, the scheduler starts cooling tower system.
③ cooling tower system must first open the valve, water valve fully open signal is received back to open the inlet valve, when entered, the valve returns are for the full-state, the station cooling towers in place. Next, according to the total cooling water supply and return water temperature determine the start and stop the cooling tower fan.
④ cooling valve, cooling valve to open after the tower and out, according to the number of cooling water valves fully open the cooling water pump start and stop the rotating schedule.
⑤ frozen back on the road, according to statistics the number of frozen water valves open, start and stop the rotating schedule of the number of frozen water pump.
⑥ cooling water pump, chilled water pumps are operating, the system detects that the cooling loop, chilled water loop state as "flow." At this point once again confirmed that the request signal change cooler, you can start the cold machine.
⑸ cooler down the order is based on the following principles:
① system shutdown signal received cooler cooler immediately stop running.
② cold machine shutdown received signal, in order to make better use of resources, delay 300 seconds and then stop the operation of chilled water pumps, chilled water as possible fully utilized. Chilled water pumps shut down after the freezing cold plane the corresponding valve.
③ cooling loop to stop running in the cooler after the action in the following order
Stop the cooling water pump to stop operation of the cooling tower fan operation à à à Close the inlet valve closing valve closed cooler corresponding cooling water valve.
④ complete the above steps, the system shutdown to complete.
Note: Some features of the above from the freezer suppliers provide, BA provides the interface.
2.1.2 Air conditioning and ventilation system equipment monitoring
Regulation of air conditioning units corresponding region targeted temperature and humidity, so the input signal into the device to be transferred in the region also include the temperature and humidity signals. When adjusted area is large, should be installed in groups of temperature and humidity measuring point, to the point of measurement signals or key positions in the average measured value as the feedback signal; if he transferred the regional and air conditioning units installed on-site distance DDC device When can a intelligent, dedicated data collection devices mounted in the region was transferred, after the measurement information processing will be measured through the field bus signal sent to the air conditioning DDC device. In the control mode on the general form of the cascade regulation to prevent interference with indoor and outdoor heat, air conditioning thermal inertia of the region and various valves by non-linear and other factors. For the air conditioning unit with air return, apart from ensuring the treated air parameters to meet the comfort requirements, but also the energy problem. Because of the return air, need to add new, air return air parameters measured points. Return air duct, but there is a big inertia, making the return air air condition is not exactly the same state of indoor air, so indoor air parameters of the signal must be the sensor in air-conditioned area to obtain. In addition, the fresh air, return air mixing, air circulation disorder, the temperature is also uneven, difficult to get the average mixed air parameters. Therefore, do not measure the mixing air condition, also without the state any basis for DDC control.
The building's air conditioning and ventilation system includes air-conditioning unit, new air handling unit, send / exhaust machine. Air conditioning and ventilation system on the one hand as a tool for exchange of hot and cold, to ensure the building indoor temperature to meet user requirements; on the other hand to balance out the whole building's air volume, the new air units to supplement the indoor air, air-conditioning unit control indoor air quality, and various types of exhaust fan is discharged over the dirty air. Building Automation System (BAS) is designed to that is the logic according to start and stop certain fans equipment, monitoring of relevant parameters, control the various valves in chilled water valve and open and so on.
⑴ control air conditioning units
Main monitoring equipment: air conditioning unit
⑵ monitoring content
Monitoring air conditioning equipment start and stop, start and stop equipment status, fault status
Detection of a new air conditioner air / return air mixed air temperature and humidity, air temperature and humidity
Air conditioning chilled water valve adjustment
Air conditioner damper adjustment
Outdoor temperature / humidity testing
When the filter blocking alarm
2.1.3 Monitoring of fresh air unit
Fresh air unit in the fresh air unit to monitor the air - water heat exchanger, through the summer into the cold water on the fresh air cooling and dehumidification of air in winter through into the hot water heating, dry steam humidifier for the winter on the new air humidification. The new air unit for monitoring requirements are as follows:
Detection: Monitoring fan motor run / stop state; monitoring fan exit air temperature, humidity parameters; monitoring of pressure on both sides of the new air filter to see if the filter needs to be replaced; monitor the new air valve open / closed state;
Control: control fan start / stop; control air - water heat exchanger water side valves to fan outlet temperature reaches the set value; control of dry steam humidifier valve, so that the air humidity in winter fans to set the value of exports .
Protection: the winter when the water temperature causes a reduction or suspension of hot water when the fan should stop, and close the fresh air valve, the temperature is too low to prevent the cracking unit of air - water heat exchanger; when the water normal heating, should be able to start the fan, open a new air valve and restore normal work unit.
Centralized management functions: intelligent building DDC control of various units in the vicinity of the device through on-site bus and the corresponding machine connected to the central management, so the unit can Xianshi on / off state, supply air temperature and humidity, the valve state value; Fa Churen a unit Kai / stop control signal, modifying air parameter settings; any unusual work of fresh air unit, the alarm signal.
⑴ major monitoring equipment: new air handling units
⑵ monitoring content
New fan start and stop monitoring equipment, equipment start and stop status, fault status
Detect the new fan of air temperature and humidity
The new chilled water valve control fan
Filter clogging
2.1.4 blower, exhaust fan control
Ventilation system of the regional fresh air, indoor carbon dioxide levels to set the start and stop supply and exhaust timing to achieve the fresh air at the same time ensuring conservation of energy.
⑴ major monitoring equipment: delivery, exhaust fan
⑵ monitor content:
Monitoring delivery, exhaust fan equipment start and stop, start and stop equipment status, fault status
Test delivery, exhaust fan running status
Equipment overload alarm
⑶ monitoring program
Floor under the fan service features and the use of different functions, procedures were set independently of the time. Time associated with this process to start and stop fan, the system simultaneously monitor equipment condition and fault condition.
2.1.5 VAV terminal units (VAV BOX) monitoring
Variable air volume system (VAV) is a new type of air conditioning, air conditioning in the intelligent building has been more and more use of. VAV air-conditioning system installed with the various sectors need to coordinate control of the content in the following areas:
As the air flow into the room is changed, the air conditioning unit air volume will change, so should be on the blower speed control device to regulate speed so that air flow and adapt to change.
Blower speed adjustment, the need to introduce air pressure detection signals involved in control, so as not to make the room big changes in pressure to ensure the devices work properly.
For VAV systems, need to detect the room air flow, temperature and air valve location of signals and processed through the uniform supply air temperature set value can be given.
Air flow adjustment during the same time, should regulate the new, back air valve, so that each room has enough fresh air.
2.2 Monitoring water supply and drainage system
Water Monitoring System is an intelligent building is an important system, its main function is adjusted by computer control system in a timely manner to run the pump station number, in order to achieve water supply and water demand to water and the displacement of the balance between achieving pump The best room to run, to achieve high efficiency, low power optimization control. BAS systems to monitor targeted mainly water pool, water tank level and working status of various types of pumps. For example: start and stop the pump status, pump fault alarm and tank low water level alarm and so on. These signals can be text and graphics displayed on the screen and through the printer to print out their records.
Water supply system equipment are: underground storage tanks, water tanks and veneer floor water tanks, potable water pump, pressure equipment, fire to the pump. Building water supply system monitoring functions as follows:
Underground storage tank water level, floor pool, pool water testing day side and when the high / end with excessive levels of alarm.
For life to the pump, according to pool (box) of the high / low level control of pump on / off, test the pump life to the condition and fault, if when using the water pump fails, the standby pump to work automatically.
Air pressure detection and control device.
Drainage system are: drainage pumps, sewage collection wells, waste water collection wells. The monitoring functions are as follows:
Sewage collection and waste water collection wells well water testing and over-limit alarm. According to the sewage collection and waste water collection wells, water wells, control drainage pump on / off. When the water level of wells set up high limit, the corresponding pump start interlock; when the water level reached the high limit, the corresponding standby pump start the chain until the water level dropped to a low ceiling, chain stop the pump.
Drainage pump running test and failure alarm.
Hot water system equipment are: automatic oil / gas water heater, hot water tank, hot water circulating pump (back pumps). The monitoring functions are as follows:
Hot water circulation pump according to time program start / stop.
Hot water circulating pump condition monitoring and fault alarm (when the failure, the corresponding standby pump automatically put into operation).
Interlock control heater and hot water circulation, when the circulation pump starts, water heater (furnace) to heat, hot water temperature control.
Hot water supply temperature and return water temperature and testing.
For some hot water when the hot water tank water level dropped to a low ceiling, open the water heater cold water inlet valves interlock to supplement the water supply system; when the water level reached the high limit, turn off cold water inlet valve chain.
⑴ monitoring equipment:
Pumps: water pump, sewage pumps, heat pumps, refrigeration pumps, cooling pumps, circulating pumps, eliminating the fire, bolt pumps, spray pumps, fire pump
Pool water tank: live fire water, roof water tank, sump
⑵ monitoring content
Pump start and stop monitoring the state, fault state
Fire pump start and stop monitoring status, fault status
Monitoring water tank, the pool level alarm signal to the pump start and stop control
Time based on pre-prepared programs or the need to control electric sprinkler valves pumps and sprinkler system
Working conditions than can be displayed by the printer to print out for your records.
2.3 Substation Equipment Monitoring
Variable power distribution system is building the system, we can assume that if there is no power supply system, the entire building will be paralyzed, unable to operate normally. Undoubtedly, the supply and distribution system is the main part of the building is to ensure the building work in all systems necessary and sufficient condition.
Building for the Power Distribution System, the main building for the detection of power distribution equipment and backup generators for the distribution of work status and quality.
Power supply monitoring device according to the detected field signal or control command issued by superior computer generated digital output signal, through the interface unit drives a circuit breaker or switchgear for the operation of institutions to achieve connected distribution circuit or breaking.
Moreover, in addition to the above-mentioned power supply system to ensure safety, the normal power supply and distribution of control, but also monitoring device according to the functions of computer software settings to conserve power as the goal of the system to manage power equipment, including: Running Numbers transformer control, the economic value of the contract monitor electricity consumption, power factor compensation control and energy saving control of electric power failure recovery.
⑴ monitoring equipment: transformers, diesel generators
⑵ monitor content:
High / low pressure into the line, outlet and intermediate contact breaker condition monitoring and fault alarm; voltage, current, power, power factor of automatic measurement, automatic display and alarm.
Monitoring of transformer over-temperature alarm, over-temperature pre-warning.
Monitoring the voltage generators, equipment start and stop status, fault status.
Working conditions than can be displayed by the printer to print out for your records.
2.4 Lighting System Monitoring
Intelligent Building is a multi-purpose building, different uses of the region have different lighting requirements, it should be the nature and characteristics according to use, on the control for different lighting, in the system should include an intelligent separate Zhan, on the Dasha of centralized management of lighting control, known as the lighting and power monitoring system. The system includes the building, lighting distribution boards, emergency lighting and power distribution box distribution box, the monitor features include:
* Changes according to season, time of procedure according to the lighting in different areas of separate on / off control. Normal lighting supply fails, emergency lighting in the region immediately put into operation.
* In case of fire, turn off the control procedures in accordance with the event lighting, open the emergency lights.
* A security alarm, the lights will open the corresponding region.
Lighting control system, the main task is twofold, first, to ensure all regions of the building illumination and visual environment right light Kong Zhi, known as environmental Zhaodu control; usually controlled by time, He Chengzhao degree of control and so Fangfa Lai Shi Xian; Second, for the purpose of energy saving lighting control equipment, referred to as energy-saving lighting control; a regional control, timing control, indoor testing different modes.
⑴ monitoring equipment: Public general lighting, outdoor landscape lighting
⑵ monitor content:
BA system to monitor the light switch on or off.
BA system control program in accordance with pre-prepared to achieve lighting control.
2.5 Elevator Equipment Monitoring
Elevator control monitoring functions are as follows:
Elevators BAS system controller as a sub-station, which controls the elevator down and scan the signal level, and transmit to the central control station.
Running on the elevator inspection departments.
Fault detection and alarm, including the landing door, door fault detection and alarm; car on the limit gauge steel wire wheel speed fault alarm and fault alarm.
Ministries lift on / off control, group control, when the user presses any layer called the elevator, elevator closest to the user in the same direction, will be the first to arrive at the user level, to save the user's waiting time; automatically detects the peak level of elevator running and control of the elevator open / stop Taiwanese number in order to save energy.
When the fire, down by the elevator controller to control all of the elevators, passenger elevators and freight elevators, including helicopter fell to the first floor, and lift off the power supply.
Elevator control system components:
According to the known functions of elevator control system, must be computer as the core to form an intelligent monitoring system to complete the required monitoring tasks. Meanwhile, as a subsystem of intelligent building BAS, it must be centrally managed computer or building management computer system (BMS) and fire control systems to communicate in order to become an organic whole with the BAS system.
The system consists of the main controller, elevator control panel (DDC), display device (CRT), printers, remote console and the serial communication network component. Host controller to the core 32-bit computer, usually CPU redundancy, high reliability and therefore, it is located in the elevator machine room control panel for serial communication, on the elevator control. High-resolution large-screen color display, monitor, operation is very easy. Master controller and host computer (or BMS systems) and security systems with serial communication capabilities, in order to form a whole with the BAS. System has strong display, in addition to normally display the operating status of each elevator, the event of disaster or failure, with special screen instead of the normal display surface, and when the need to control the operation or when an exception occurs, can operate order and the necessary measures to appear in the map surface, so you can quickly deal with disaster and failure, to improve the monitoring capacity of the elevator.
Running elevator managers can use up a pen or the mouse to intervene directly in the CRT in order to effect needed at any time, stop any elevators. Elevator operation and fault conditions regularly recorded by the printer to the host management computer (or BMS) sent. When abnormal situations such as fire, fire monitoring system in a timely manner to the elevator control system alarm and control information, the main controller for elevator control system elevator back to the appropriate device to issue the corresponding DDC control signals, so that they enter the pre-working state.
⑴ monitoring equipment: elevator group control, fire lift
⑵ monitor content:
BA start and stop the elevator system monitoring status, fault status.