CN110671528B - Control system applied to ventilation regulating air valve of subway station - Google Patents
Control system applied to ventilation regulating air valve of subway station Download PDFInfo
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- CN110671528B CN110671528B CN201910948562.1A CN201910948562A CN110671528B CN 110671528 B CN110671528 B CN 110671528B CN 201910948562 A CN201910948562 A CN 201910948562A CN 110671528 B CN110671528 B CN 110671528B
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- air valve
- control cabinet
- controller
- valve controller
- angle
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- 238000009423 ventilation Methods 0.000 title claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 11
- 230000007613 environmental effect Effects 0.000 claims abstract description 31
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/046—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control system applied to ventilation regulating air valves of a subway station, which consists of three blocks, namely an air valve actuator at an air valve end, an air valve controller for operating the air valve on site and an environmental equipment control cabinet at a control center; the air valve controller is respectively connected with the air valve actuator and the environmental equipment control cabinet, the environmental equipment control cabinet controls the opening and closing of the air valve through the air valve controller, and the real-time angle information of the air valve is read through the air valve controller; the environmental equipment control cabinet establishes an air valve control target angle according to air conditioner or fire-fighting requirements, compares the air valve control target angle with an air valve real-time angle, and outputs an air valve opening or closing command to an air valve controller according to the values of the two angles. The invention realizes the analog signal comparison and calculation function in the upper-level environmental equipment control cabinet, and converts the analog signal comparison and calculation function into a reliable digital quantity switch signal in the environmental equipment control cabinet to output to the air valve controller.
Description
Technical Field
The invention relates to an air valve control system, in particular to a control system applied to a ventilation adjusting air valve of a subway station yard.
Background
At present, in order to realize the energy-saving operation of a subway ventilation air conditioner, the ventilation volume in a ventilation system needs to be adjusted according to different air conditioner working conditions, so that the angle of an air valve in a ventilation channel needs to be adjusted and controlled, and meanwhile, the air valve can execute a full-on/full-off command under an accident working condition (such as fire). The existing control scheme is as follows: the environmental equipment control cabinet sends a 4-20mA current signal to the air valve controller, and the control circuit in the air valve controller calculates the current signal and then outputs an air valve control signal. The air valve controller can resist 250-degree temperature requirements under the accident working condition, so that the operation of an electronic device under the accident working condition cannot be ensured, and the control and fault judgment of the air valve angle and the safety switch under the accident working condition cannot be stably realized.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a control system applied to ventilation regulating air valves of subway stations, wherein the function of comparing and calculating analog signals is realized in an upper-level environmental equipment control cabinet, and the analog signals are converted into reliable digital quantity switch signals in the environmental equipment control cabinet and output to an air valve controller; meanwhile, the normal adjustment automation of the air valve and the opening/closing controllability of the air valve in fire are considered.
The technical scheme adopted by the invention for solving the technical problem is as follows: a control system applied to ventilation regulating air valves of subway stations is composed of three blocks, namely an air valve actuator at an air valve end, an air valve controller for operating the air valves on site and an environmental equipment control cabinet of a control center; the air valve controller is respectively connected with the air valve actuator and the environmental equipment control cabinet, the environmental equipment control cabinet controls the opening and closing of the air valve through the air valve controller, and the real-time angle information of the air valve is read through the air valve controller; the environmental equipment control cabinet establishes an air valve control target angle according to air conditioner or fire-fighting requirements, compares the air valve control target angle with an air valve real-time angle, and outputs an air valve opening or closing command to an air valve controller according to the values of the two angles; the air valve controller comprises a display screen, a remote control/near control switching button and an air valve opening/closing button, wherein the air valve opening/closing button is only effective in a near control mode.
Preferably, the air valve angle is displayed in the display screen and calibrated during debugging.
Preferably, the air valve angle signal fed back to the environmental equipment control cabinet by the air valve controller is 4-20mA current or 2-10V direct current voltage analog signal.
Preferably, if the real-time angle uploaded by the environmental equipment control cabinet to the air valve controller fails to reach the air valve control target angle within the set time, a fault alarm is output/displayed, and the output air valve opening/closing command is cancelled.
Preferably, the air valve controller outputs two paths of interlocked 220V alternating current or 24V direct current active switch signals to the air valve actuator, and the two paths of interlocked 220V alternating current or 24V direct current active switch signals are used for driving the air valve actuator to rotate forwards and open or rotate backwards and close; the air valve actuator inputs a potentiometer partial pressure signal coaxial with the air valve controller to the air valve controller, and the resistance ratio of a moving contact of the potentiometer to a fixed point at two ends of the potentiometer reflects the angle of the air valve.
Preferably, when an electronic circuit of the air valve controller fails, the air valve controller automatically enters a remote control state, and the environmental control cabinet continuously controls the opening/closing of the air valve through a high-temperature-resistant intermediate relay in the air valve controller, so that the control right of the environmental equipment control cabinet on the air valve in an accident state is ensured.
In order to realize the energy-saving aim of the ventilation air conditioner, the invention matches different optimal energy-saving ventilation strategies according to different temperature and humidity differences inside and outside the station, and needs to adjust the opening angle of the air valve so as to carry out real-time adjustment on the air volume of the air conditioner circulating air inside the station or the air volume of the air circulating air inside and outside the station, and the air valve controller required by the scheme.
The station environment equipment control cabinet issues an air valve opening/closing command to an air valve controller (in a remote control state) through a control line, the air valve controller outputs 220V opening/closing control voltage to an air valve actuator through an intermediate relay, the air valve actuator feeds back an air valve angle signal to the air valve controller, and the air valve controller calibrates the air valve angle signal and then uploads the calibrated air valve angle signal to the station environment equipment control cabinet. The station yard environment equipment control cabinet compares the real-time air valve angle with a control set angle, outputs an air valve opening/closing command and adjusts the air valve angle to the set angle; meanwhile, judging a fault if the angle of the air valve does not reach the set angle within a set timing period; the air valve controller can directly control the opening/closing of the air valve on a button of the air valve controller in a near control mode; the real-time angle of the air valve can be displayed on an air valve controller and a station environment equipment control cabinet; when a control circuit board (singlechip) of the air valve controller fails, the air valve controller is automatically switched to a remote control state, and the control of the station environmental equipment control cabinet on the air valve is not influenced.
The environment equipment control cabinet is internally provided with a PLC with powerful functions, and the safety level of the environment equipment control cabinet is very high, so that the environment equipment control cabinet is used for carrying out comparison of air valve angle analog signals, output of air valve opening/closing switch signals and judgment of air valve fault states, an air valve controller has the functions of field control, air valve angle detection display and angle analog signal uploading, and an air valve actuator realizes the opening/closing action of an air valve and the output of air valve angle sensor signals. The solution is tested by related project implementation, and the control condition is good.
The invention has the advantages that the problem that a control board circuit board (singlechip) of the air valve controller receives an unstable analog signal is solved, the analog signal comparison and calculation function is realized in an upper-level environmental equipment control cabinet, and the analog signal is converted into a reliable digital quantity switch signal in the environmental equipment control cabinet and is output to the air valve controller; meanwhile, the normal adjustment automation of the air valve and the opening/closing controllability of the air valve in fire are considered.
Drawings
Fig. 1 is a block diagram of a control system according to an embodiment of the present invention.
FIG. 2 is a functional block diagram according to an embodiment of the present invention.
The invention is further described below with reference to the accompanying drawings.
Detailed Description
As shown in the attached figure 1, a control system applied to ventilation regulating air valves of subway stations is characterized in that: the control system consists of three blocks, namely an air valve actuator (arranged on an air valve body), an air valve controller (arranged on a wall surface or a vertical column near an air valve installation position for convenient operation by people) and a ring control cabinet (arranged in a station environmental equipment control machine room); the air valve controller is respectively connected with the air valve actuator and the environmental equipment control cabinet, the environmental equipment control cabinet controls the opening and closing of the air valve through the air valve controller, and the real-time angle information of the air valve is read through the air valve controller; the environmental equipment control cabinet establishes an air valve control target angle according to air conditioner or fire-fighting requirements, compares the air valve control target angle with an air valve real-time angle, and outputs an air valve opening or closing command to an air valve controller according to the values of the two angles; the air valve controller comprises a display screen, a remote control/near control switching button and an air valve opening/closing button, wherein the air valve opening/closing button is only effective in a near control mode. And displaying the air valve angle and calibrating the air valve angle in the display screen.
As shown in fig. 2, the angle sensor (potentiometer) signal of the air valve actuator is sent to the air valve controller, the angle value is displayed on the display screen of the air valve controller after the angle is calibrated, and the angle value is converted into a corresponding current (4-20 ma) or voltage (2-10 v) signal and sent to the ring control cabinet, and the ring control cabinet converts the signal into the air valve angle value display screen.
When the environment control system needs to adjust the angle of the air valve, the ring control cabinet compares the air valve angle adjustment target value with the current value of the air valve angle, and when the deviation between the air valve angle adjustment target value and the current value is less than or equal to 3%, the ring control cabinet prohibits the air valve opening/closing command;
when the target value of the air valve angle adjustment is larger than the lower value by 3%, outputting a valve opening command by the environment control cabinet, continuously comparing the real-time value of the air valve angle with the target value of the air valve angle adjustment, and canceling the valve opening command when the deviation of the values of the real-time value of the air valve angle and the target value of the air valve angle adjustment is less than or equal to 3%;
on the contrary, when the target value of the air valve angle adjustment is smaller than the current value by 3%, the environmental control cabinet outputs a valve closing command, and simultaneously, the real-time value of the air valve angle is continuously compared with the target value of the air valve angle adjustment, and when the deviation of the values of the real-time value of the air valve angle and the target value of the air valve angle adjustment is smaller than or equal to 3%, the valve closing command is cancelled;
the air valve controller can receive an air valve switch signal sent by the ring control cabinet in a remote control state and output a motor opening/closing signal to an air valve actuator through a high-temperature resistant intermediate relay (or an electric direct connection);
under the close control state of the air valve controller, a valve opening/closing button on the air valve controller directly controls the opening/closing of a motor of an air valve actuator;
the air valve controller sends a passive (or active) switch signal to the ring control cabinet in a remote control state so that the ring control cabinet can identify the working state of the air valve controller;
and when the air valve angle value and the air valve angle adjustment target value cannot be less than or equal to 3% within a set time (or 50S), the environmental control cabinet outputs an air valve fault alarm and cancels an air valve opening/closing command.
Claims (5)
1. The utility model provides a be applied to subway station ventilation regulating air valve control system which characterized in that: the control system consists of three blocks, namely an air valve actuator at the air valve end, an air valve controller for operating the air valve on site and an environmental equipment control cabinet of a control center; the air valve controller is respectively connected with the air valve actuator and the environmental equipment control cabinet, the environmental equipment control cabinet controls the opening and closing of the air valve through the air valve controller, and the real-time angle information of the air valve is read through the air valve controller; the environmental equipment control cabinet establishes an air valve control target angle according to air conditioner or fire-fighting requirements, compares the air valve control target angle with an air valve real-time angle, and outputs an air valve opening or closing command to an air valve controller according to the values of the two angles; the air valve controller comprises a display screen, a remote control/near control switching button and an air valve opening/closing button, and the air valve opening/closing button is only effective in a near control mode; when an electronic circuit of the air valve controller fails, the air valve controller automatically enters a remote control state, and the environment control cabinet continuously controls the opening/closing of the air valve through a high-temperature-resistant intermediate relay in the air valve controller, so that the control right of the environment equipment control cabinet on the air valve in an accident state is ensured.
2. A control system for a ventilation regulating air valve in accordance with claim 1, wherein: and the angle of the air valve is displayed in the display screen and calibrated during debugging.
3. A control system for a ventilation regulating air valve in accordance with claim 1, wherein: the environment equipment control cabinet outputs 220V alternating current or 24V direct current active switch signals to the air valve controller, and the air valve angle signals fed back to the environment equipment control cabinet by the air valve controller are 4-20mA current or 2-10V direct current voltage analog signals.
4. A control system for a ventilation regulating air valve according to claim 1 or 3, wherein: and if the real-time angle uploaded by the environmental equipment control cabinet to the air valve controller fails to reach the air valve control target angle within the set time, outputting/displaying a fault alarm, and canceling the output air valve opening/closing command.
5. A control system for a ventilation regulating air valve in accordance with claim 1, wherein: the air valve controller outputs two paths of interlocked 220V alternating current or 24V direct current active switch signals to the air valve actuator, and the two paths of interlocked 220V alternating current or 24V direct current active switch signals are used for driving the air valve actuator to rotate forwards and open or rotate backwards and close; the air valve actuator inputs a potentiometer partial pressure signal coaxial with the air valve controller to the air valve controller, and the resistance ratio of a moving contact of the potentiometer to a fixed point at two ends of the potentiometer reflects the angle of the air valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910948562.1A CN110671528B (en) | 2019-10-08 | 2019-10-08 | Control system applied to ventilation regulating air valve of subway station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910948562.1A CN110671528B (en) | 2019-10-08 | 2019-10-08 | Control system applied to ventilation regulating air valve of subway station |
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| Publication Number | Publication Date |
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| CN110671528A CN110671528A (en) | 2020-01-10 |
| CN110671528B true CN110671528B (en) | 2021-11-16 |
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| CN201910948562.1A Active CN110671528B (en) | 2019-10-08 | 2019-10-08 | Control system applied to ventilation regulating air valve of subway station |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111060307A (en) * | 2020-02-25 | 2020-04-24 | 优立科轨道交通技术有限公司 | Test equipment suitable for air valve performance of air conditioning unit of railway vehicle |
| CN114594677B (en) * | 2022-03-15 | 2024-06-25 | 安百拓（南京）建筑矿山设备有限公司 | Self-adaptive proportion control method, device, medium and equipment for switch type air valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2524158Y (en) * | 2002-02-19 | 2002-12-04 | 余姚东方通风工程有限公司 | Flexible jet nozzle with blow valve |
| CN2771713Y (en) * | 2005-01-27 | 2006-04-12 | 潘晓明 | Energy-saving environment-protecting fresh-air scavenger system |
| CN102444969B (en) * | 2010-10-08 | 2015-07-29 | 时代嘉华（中国）科技有限公司 | A kind of Personalized air supplying end device |
| CN201852241U (en) * | 2010-10-08 | 2011-06-01 | 时代嘉华（中国）科技有限公司 | Individualized air supply end device |
| JP2018146152A (en) * | 2017-03-03 | 2018-09-20 | アズビル株式会社 | Environment control system and method |
| CN107588510A (en) * | 2017-09-26 | 2018-01-16 | 湖北中航安智技术有限公司 | Subway public domain transition season energy environmental control system and its control method |
| CN108121264B (en) * | 2017-12-26 | 2023-10-10 | 广州地铁设计研究院股份有限公司 | Intelligent electric air valve control system and method applied to urban rail transit |
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Effective date of registration: 20240204 Address after: No. 1 Yuanxing Road, North District, Guangde Economic Development Zone, Xuancheng City, Anhui Province, 242200 Patentee after: Shangfeng Ventilation Equipment Co.,Ltd. Country or region after: China Address before: 314416 No. 1, Longshan Road, Yuanhua Town, Haining City, Jiaxing City, Zhejiang Province Patentee before: Zhejiang Zhongxin Sanyuan fan Co.,Ltd. Country or region before: China |
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