CN206944404U - A kind of subway plant management information system variable air rate supply air system - Google Patents
A kind of subway plant management information system variable air rate supply air system Download PDFInfo
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- CN206944404U CN206944404U CN201720774532.XU CN201720774532U CN206944404U CN 206944404 U CN206944404 U CN 206944404U CN 201720774532 U CN201720774532 U CN 201720774532U CN 206944404 U CN206944404 U CN 206944404U
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Abstract
The utility model discloses a kind of subway plant management information system variable air rate supply air system, it is related to building energy conservation and air conditioner ventilation control field, it includes blower fan, air-supply main Electric air valve, electric air volume adjusting valve, main control cabinet, end-of-pipe control cabinet, temperature sensor and static pressure transducer, blower fan is arranged at air-supply main port, air-supply main Electric air valve is arranged on air-supply main, electric air volume adjusting valve is arranged on blowpipe, temperature sensor is set in each subway plant management information system, static pressure transducer is arranged on air-supply main line end, main control cabinet simultaneously and blower fan, air-supply main Electric air valve and static pressure transducer are electrically connected, end-of-pipe control cabinet is electrically connected with electric air volume adjusting valve and temperature sensor simultaneously.The utility model improves the thermal comfort of subway plant management information system, while realizes the energy-efficient operation of whole distributing system.
Description
Technical field
The utility model belongs to building energy conservation and air conditioner ventilation control field, and in particular to a kind of subway plant management information system
Variable air rate supply air system.
Background technology
As China city is constantly developed, key city population is more and more, so as to also promote the hair of subway construction
Exhibition.Subway's air-conditioning system is extremely complex, huge, and the proportion in whole building energy consumption is also increasing.Generally, subway equipment pipe
For reason with room using air quantity supply air system is determined, this Air-condition system control is simple, easy to use.Meanwhile determine air quantity supply air system by
In the air output that can not adjust each plant management information system, so as to which there is also many drawbacks.Determine air quantity supply air system performance-adjustable
Difference, it is impossible to meet the hommization requirement of different user, so as to greatly reduce the thermal comfort of interior.
Because air conditioning energy consumption accounts for whole building energy consumption more than 60%, therefore air conditioner energy saving seems and become more and more important.According to relevant money
Material statistics, the time of air-conditioning equipment 97% operates in 70% load fluctuation up and down, therefore can be reduced using air quantity variable air conditioner
Air-conditioning consumes energy, and reaches the purpose of economical operation.According to test, the energy consumption of an air conditioning system with variable is about constant air volume system
70%, if using more preferable control method, its energy-saving effect will be more significant.
Therefore, it is necessary to develop a kind of new subway plant management information system variable air rate supply air system and its control method
It is asked to meet the hommization requirement of different user, moreover it is possible to energy-efficient operation.
Utility model content
For the disadvantages described above or Improvement requirement of prior art, the utility model provides a kind of subway plant management information system
Variable air rate supply air system, it is intended that using converter technique, meet the frequent change of room load and local temperature change
It is required that improving the thermal comfort of subway plant management information system, the hommization demand of different user can be met, meanwhile, realize whole
The energy-efficient operation of individual distributing system.
To achieve the above object, according to one side of the present utility model, there is provided a kind of subway plant management information system becomes
Air quantity supply air system, it includes air-supply main and the multiple blowpipes connected with air-supply main, and each blowpipe connection is not
Same subway plant management information system, it also includes blower fan, main Electric air valve of blowing, electric air volume adjusting valve, main control cabinet, end
Switch board, temperature sensor and static pressure transducer are held,
Wherein, blower fan is arranged at air-supply main port, and air-supply main Electric air valve is arranged on air-supply main, and simultaneously
Positioned at fan outlet downstream and blowpipe air inlet upstream, air-supply main Electric air valve be used for by be opened and closed itself valve port and
Air force in control air-supply main,
Electric air volume adjusting valve is arranged on blowpipe, for controlling blowpipe by adjusting itself valve port opening
Middle air force,
Temperature sensor is set in each subway plant management information system, for measuring the reality of each subway plant management information system
Border temperature, static pressure transducer are arranged on air-supply main line end, for measuring the blast size in main of blowing,
Main control cabinet is electrically connected with blower fan, air-supply main Electric air valve and static pressure transducer simultaneously, for according to quiet
The switch of the operating frequency of blast size regulation blower fan and air-supply main Electric air valve in the air-supply main of pressure sensor feedback, send
Air-drying pipe Electric air valve can be opened and closed with the operating frequency size of blower fan, and when blower fan is closed, air-supply main Electric air valve then can be therewith
Close,
End-of-pipe control cabinet is electrically connected with electric air volume adjusting valve and temperature sensor simultaneously, for according to temperature sensor
The aperture of observed temperature regulation electric air volume adjusting valve in the subway plant management information system of feedback.
Further, main control cabinet includes main power supply air switch, fan control module, air-valve control module, blower fan
Frequency converter and main electric air valve actuator, wherein,
Main power supply air switch is used for the on/off for controlling electrical equipment in whole main control cabinet,
Fan control module is mutually electrically connected with static pressure transducer, fan frequency converter simultaneously, and fan frequency converter is mutually electric with blower fan
Connection, fan control module are used for blast size in the air-supply main according to static pressure transducer feedback and send frequency variation signal, and will
The frequency variation signal is transmitted to fan frequency converter, so as to adjust the operating frequency of blower fan,
Air-valve control module is mutually electrically connected with static pressure transducer, main electric air valve actuator simultaneously, main Electric air valve
Actuator is also mutually electrically connected with air-supply main Electric air valve simultaneously, and air-valve control module is used to be sent according to what static pressure transducer fed back
Air-dry blast size in pipe and send air-valve control signal, and the air-valve control signal is transmitted to main electric air valve actuator,
So as to control the opening and closing of air-supply main Electric air valve.
Further, end-of-pipe control cabinet includes branch pipe power supply air switch, electric air volume adjusting valve control module and electricity
Dynamic volume damper actuator, wherein, branch pipe power supply air switch is used for the electricity for controlling electrical equipment in whole end-of-pipe control cabinet
Source break-make, electric air volume adjusting valve control module are electrically connected with temperature sensor and electric air volume adjusting valve actuator simultaneously,
Electric air volume adjusting valve actuator is electrically connected with electric air volume adjusting valve, and electric air volume adjusting valve control module is used for according to temperature
Spend observed temperature in the subway plant management information system of sensor feedback and send electric air volume adjusting valve control signal, and by the electricity
Dynamic volume damper control signal is transmitted to electric air volume adjusting valve actuator, to be adjusted by electric air volume adjusting valve actuator
The aperture of electric air volume adjusting valve.
According to another aspect of the present utility model, there is provided a kind of subway plant management information system variable air rate as described above is sent
The control method of wind system, during work, first, main power supply air switch is opened in main control cabinet, the output of air-valve control module
Control signal opens the main Electric air valve on air-supply main by main electric air valve actuator, and blower fan receives air-blower control mould
Delay setting duration starts after the control signal of block output,
Then, branch pipe power supply air switch is opened in end-of-pipe control cabinet, electric air volume adjusting valve control module output control
Signal, to control electric air volume adjusting valve actuator to open the electric air volume adjusting valve on air-supply main, so far, whole air-supply system
Each part of uniting is opened and normal work.
Further, when temperature is higher than setting value indoors, electric air volume adjusting valve control module is output control signals to
Electric air volume adjusting valve actuator, increase the aperture of electric air volume adjusting valve by electric air volume adjusting valve actuator, with increase
Air output on the blowpipe in corresponding tail end air conditioner room, and then indoor temperature is reduced to setting value,
When temperature is less than setting value indoors, electric air volume adjusting valve control module outputs control signals to electronic air quantity and adjusted
Valve actuator is saved, reduces the aperture of electric air volume adjusting valve by electric air volume adjusting valve actuator, to reduce corresponding end
Air output on the blowpipe of air-conditioned room, and then indoor temperature is maintained to setting value.
Further, while electric air volume adjusting valve aperture is adjusted, measured according to the static pressure transducer of main end
Pressure signal to blower fan carry out VFC, when pressure signal be less than setting value, fan control module export frequency variation signal
The running frequency of blower fan is improved by fan frequency converter, increases the air output of main end, when pressure signal is higher than setting value,
Then fan control module output frequency variation signal reduces the running frequency of blower fan by fan frequency converter, reduces the air-supply of main end
Amount.
Further, when fan operation frequency is down to setting value and runs setting duration, fan control module output control
Signal processed to control blower fan out of service, air-valve control module output control signal with control main electric air valve actuator close
Main Electric air valve.
Further, when electric air volume adjusting valve aperture is down to setting value and runs setting duration, electronic air quantity regulation
Valve control module output control signal is to close electric air volume adjusting valve.
Further, when fan operation frequency is down to 10~15Hz and maintains to set 10~15min, fan control module is defeated
Go out control signal, to stop the operation of blower fan, air-valve control module output control signal is to pass through main electric air valve actuator
Close main Electric air valve.
Further, when electric air volume adjusting valve aperture is down to 10~20% and runs 10~15min, electronic air quantity is adjusted
Valve control module output control signal is saved, to close electric air volume adjusting valve 3.
In general, by the contemplated above technical scheme of the utility model compared with prior art, can obtain down
Row beneficial effect：
Static pressure transducer is set in air-supply main end, temperature sensor is set respectively in each air-conditioned room room, passed through
The converting operation of the pressure signal control blower fan of static pressure transducer monitoring, the temperature signal control fed back by indoor temperature transmitter
The aperture of electric air volume adjusting valve processed, the control of blower fan and electric air volume adjusting valve is kept completely separate so as to realize, avoids wind
The problems such as machine and electric air volume adjusting valve difficult coordination.
By controlling the aperture of frequency conversion fan running frequency and electric air volume adjusting valve, the air output in room is adjusted
Section, ensure the temperature value that indoor temperature is user's setting, meet the hommization demand of different user, meet the frequent of room load
Change and the requirement of local temperature change, improve the thermal comfort in room.Become wind importantly, being realized using frequency conversion fan
Amount control, reduces the air output of supply air system at low load, can substantially reduce fan energy consumption, reduce the work(of distributing system
Consumption, has significant economic benefit and social benefit.
Brief description of the drawings
Fig. 1 is subway plant management information system variable air rate supply air system schematic diagram in the utility model embodiment.
In all of the figs, identical reference is used for representing identical element or structure, wherein：
1- blower fan 2- main Electric air valves
3- electric air volume adjusting valve 4- static pressure transducers
5- main control cabinet 6- main power supply air switches
7- fan control module 8- air-valve control modules
9- fan frequency converter 10- main electric air valve actuators
11- end-of-pipe control cabinet 12- branch pipe power supply air switches
13- electric air volume adjusting valve control module 14- electric air volume adjusting valve actuators
15- indoor temperature transmitters
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.In addition, institute in each embodiment of the utility model disclosed below
As long as the technical characteristic being related to does not form conflict each other, can is mutually combined.
The purpose of subway plant management information system variable air rate supply air system and its control method of the present utility model is：Ensure
While the real-time variable air rate demand in each room and thermal comfort demand, the operation energy consumption of air-conditioner tail end equipment is effectively reduced.
Fig. 1 is subway plant management information system variable air rate supply air system schematic diagram in the utility model embodiment, such as Fig. 1 institutes
Show, a kind of subway plant management information system variable air rate supply air system described in the utility model includes blower fan 1, main Electric air valve of blowing
2, electric air volume adjusting valve 3, main control cabinet 5, end-of-pipe control cabinet 11, temperature sensor 15 and static pressure transducer 4.Wherein, it is main
Switch board 5 includes main power supply air switch 6, fan control module 7, air-valve control module 8, fan frequency converter 9 and main
Electric air valve actuator 10.End-of-pipe control cabinet 11 includes branch pipe power supply air switch 12, electric air volume adjusting valve control module 13
And electric air volume adjusting valve actuator 14.
Specifically, static pressure transducer 4 is arranged on air-supply main end, it is electrically connected with main control cabinet 5, for air-supply is dry
The pressure signal transmission of pipe is to fan control module 7 in main control cabinet 5 and air-valve control module 8.Blower fan 1, main Electric air valve 2
Electrically connected with main control cabinet 5.Fan frequency converter 9 is used for the control signal for receiving the output of fan control module 7, and then for controlling
The frequency conversion of blower fan 1.Air-valve control module 8 controls the switch of main Electric air valve 2 by electric air valve actuator 10.Main power supply
Air switch 6 controls the power input of 5 each part of main control cabinet.
Temperature sensor 15 is arranged on each interior, and temperature sensor 15 electrically connects with end-of-pipe control cabinet 11, for by temperature
Degree signal passes to electric air volume adjusting valve control module 13 in main control cabinet 11.Electric air volume adjusting valve 3 and main control cabinet 11
Electrical connection.Electric air volume adjusting valve actuator 14 receives the control signal of the output of electric air volume adjusting valve control module 13, is used for
Control the aperture of electric air volume adjusting valve 3.Branch road power supply air switch 12 controls the power input of 11 each part of end-of-pipe control cabinet.
The specific control method of subway plant management information system variable air rate supply air system of the present utility model is as follows：
When the first, working, main power supply air switch 6 is opened in main control cabinet 5, the output control signal of air-valve control module 8
Main Electric air valve 2 on air-supply main is opened by main electric air valve actuator 10, blower fan 1 receives fan control module 7
Postpone to start for 1 minute after the control signal of output.Then, branch pipe power supply air switch 12 is opened in end-of-pipe control cabinet 11, electronic
The output control signal of volume damper control module 13 opens the electricity on air-supply main by electric air volume adjusting valve actuator 14
Dynamic volume damper 3, each part normal work of supply air system.
2nd, tail end air conditioner room indoor temperature gives setting value (such as 27 DEG C).Electric air volume adjusting valve control module 13
Receive the temperature signal of indoor temperature transmitter 15, and output control signal passes through electric air volume adjusting valve actuator 14, control
The aperture of electric air volume adjusting valve 3.
If indoor temperature is higher than setting value (such as 27 DEG C), the output signal of electric air volume adjusting valve control module 13 is led to
Electric air volume adjusting valve actuator 14 is crossed, increases the aperture (such as rising to 90% from 80%) of electric air volume adjusting valve 3, increases the room
Between air output in corresponding blowpipe upper tube, reduce indoor temperature to setting value.
When indoor temperature is less than setting value (such as 27 DEG C), then the output signal of electric air volume adjusting valve control module 13 is led to
Crossing electric air volume adjusting valve actuator 14 reduces the aperture (being such as down to 70% from 80%) of electric air volume adjusting valve 3, reduces the room
Between air output on corresponding blowpipe, maintain indoor temperature constant.
3rd, when Tthe utility model system works, while 3 aperture of electric air volume adjusting valve is adjusted, according to main end
Static pressure transducer 4 measure pressure signal to blower fan 1 carry out VFC.Pressure signal maintain a certain setting value (such as
0Pa), fan control module 7 receives the pressure signal of main end and compared with setting value, and output control signal is become by blower fan
Frequency device 9 controls the running frequency of blower fan 1.
If pressure signal is less than setting value (such as 0Pa), fan control module 7 exports frequency variation signal and become by blower fan
Frequency device 9 improves the running frequency (such as rising to 50Hz from 45Hz) of blower fan 1, the static pressure of increase main end.
When pressure signal is higher than setting value (such as 0Pa), then fan control module 7 exports frequency variation signal and become by blower fan
Frequency device 9 reduces the running frequency (being such as down to 45Hz from 50Hz) of blower fan 1, reduces the static pressure of main end.
4th, when the running frequency of blower fan 1 is down to some value (such as 15Hz) and maintain a period of time (such as 10 minutes), blower fan
The output control signal of control module 7, stops the operation of blower fan 1, and the output control signal of air-valve control module 8 passes through the electronic wind of main
Valve actuator 10 closes main Electric air valve 2.
5th, when the aperture of electric air volume adjusting valve 3 is down to some value (20%) and maintain a period of time (such as 10 minutes), electricity
The dynamic output control signal of volume damper control module 13, closes electric air volume adjusting valve 3.
In above method, while blower fan 1 and electric air volume adjusting valve 3 are controlled, maintain the Indoor Temperature of air-conditioned room
Spend constant, the control effect of device is improved, so as to ensure the normal of whole subway plant management information system variable air rate supply air system
Efficient operation.
In above method, it on the one hand can be very good to control the constant of tail end air conditioner indoor temperature, undertaking room load
While improve room thermal comfort.On the other hand start and stop, VFC are carried out to blower fan, avoids unnecessary energy wave
Take, the energy-efficient operation of realization device.
The technical characterstic of subway plant management information system variable air rate supply air system and its control method in the utility model：
1st, compared to traditional subway plant management information system air-conditioning system, variable air rate control is realized using frequency conversion fan
System, reduce the air output of supply air system at low load, reduce supply air system conveying energy consumption.
2nd, by adjusting the aperture of electric air volume adjusting valve in end branch, the air output in room is adjusted, protected
The temperature value that indoor temperature is user's setting is demonstrate,proved, meets the hommization demand of different user, meets the frequent change of room load
With the requirement of local temperature change, the thermal comfort in room is improved.
3rd, static pressure transducer is set in air-supply main end, temperature sensor is set respectively in each air-conditioned room room, lead to
Cross the converting operation of the pressure signal control blower fan of static pressure transducer monitoring, the temperature signal fed back by indoor temperature transmitter
The aperture of electric air volume adjusting valve is controlled, the control of blower fan and electric air volume adjusting valve is kept completely separate so as to realize, avoided
The problems such as blower fan and electric air volume adjusting valve difficult coordination.
4th, blower fan and air-valve coordinated signals, avoid air output from wasting, and lower the injured risk of blower fan.
In the utility model, fan frequency conversion operation, reduce air output of the supply air system in underload, reduce blower fan
Energy consumption.
In the utility model, the air output directly according to corresponding to controlling indoor temperature on blowpipe, ensure Indoor Temperature
The temperature value for user's setting is spent, meets the hommization demand of different user, meets the frequent change of room load and local temperature
The requirement of change is spent, improves the thermal comfort in room.
In the utility model, while blower fan and electric air volume adjusting valve are controlled, realized blower fan and electronic air quantity
The control of regulating valve is kept completely separate, the problems such as avoiding blower fan and electric air volume adjusting valve difficult coordination.Blower fan links with air-valve
Control, avoids air output from wasting, can also lower the injured risk of blower fan.
Subway plant management information system variable air rate supply air system and its control method of the present utility model, in supply air system main
Upper setting frequency conversion fan, meanwhile, electric air volume adjusting valve is set respectively in each end branch, blowpipe air output is carried out
Control.
The utility model subway plant management information system variable air rate supply air system, the personalized need of different user can be met
Ask, meet the frequent change of room load and the requirement of local temperature change, the thermal comfort of subway plant management information system can be improved
Property, meanwhile, using converter technique, realize the energy-efficient operation of whole distributing system.
Subway plant management information system variable air rate supply air system and its control method of the present utility model, are independently set by user
The indoor temperature of locking equipment Service center, meanwhile, in plant management information system, the change of temperature sensor monitors indoor temperature is set,
And the aperture of electric air volume adjusting valve on blowpipe is controlled by control cabinet, the air output in each room is controlled, ensures each equipment
Requirement of the Service center user to room temperature.
In the utility model, subway plant management information system variable air rate supply air system, pass through Frequency Converter Control pressure fan frequency conversion
Operation, so as to realize the VAV control of subway plant management information system, overcomes the small temperature of subway plant management information system supply air system
The drawbacks of poor Wind Volume air-supply, fan energy consumption is substantially reduced, reduces the power consumption of distributing system, there is significant economic benefit and society
Can benefit.
Subway plant management information system variable air rate supply air system provided by the utility model is simple in construction, easy to implement, price
Cheaply, air-conditioning system operation energy consumption can be effectively reduced.
Generally speaking, subway plant management information system variable air rate supply air system of the present utility model has obvious advanced technology
Property, significant economy and very strong practicality, will possess wide market application foreground.Tthe utility model system can be on ground
Promoted, used for reference and applied in iron station air-conditioning system or large-scale public construction design of air conditioning
In the utility model, each subway plant management information system namely tail end air conditioner room.
As it will be easily appreciated by one skilled in the art that preferred embodiment of the present utility model is the foregoing is only, not
To limit the utility model, any modification of all made within spirit of the present utility model and principle, equivalent substitution and change
Enter, should be included within the scope of protection of the utility model.
Claims (3)
1. a kind of subway plant management information system variable air rate supply air system, it includes air-supply main and connected with air-supply main multiple
Blowpipe, each blowpipe connect different subway plant management information systems, it is characterised in that
It also includes blower fan (1), air-supply main Electric air valve (2), electric air volume adjusting valve (3), main control cabinet (5), end control
Cabinet (11) processed, temperature sensor (15) and static pressure transducer (4),
Wherein, blower fan (1) is arranged at air-supply main port, and air-supply main Electric air valve (2) is arranged on air-supply main, and together
When be located at blower fan (1) air outlet downstream and blowpipe air inlet upstream, air-supply main Electric air valve (2) be used for by opening and closing from
Body valve port and control air-supply main in air force,
Electric air volume adjusting valve (3) is arranged on blowpipe, for controlling blowpipe by adjusting itself valve port opening
Middle air force,
Temperature sensor (15) is set in each subway plant management information system, for measuring the reality of each subway plant management information system
Border temperature, static pressure transducer (4) are arranged on air-supply main line end, for measuring the blast size in main of blowing,
Main control cabinet (5) at the same with blower fan (1), air-supply main Electric air valve (2) and static pressure transducer (4) be electrically connected, use
The operating frequency of blast size regulation blower fan (1) and start and stop air-supply in the air-supply main fed back according to static pressure transducer (4)
Main Electric air valve (2),
End-of-pipe control cabinet (11) while it is electrically connected with electric air volume adjusting valve (3) and temperature sensor (15), for according to temperature
Spend the aperture of observed temperature control electric air volume adjusting valve (3) in the subway plant management information system of sensor (15) feedback.
A kind of 2. subway plant management information system variable air rate supply air system as claimed in claim 1, it is characterised in that main control cabinet
(5) include main power supply air switch (6), fan control module (7), air-valve control module (8), fan frequency converter (9) and
Main electric air valve actuator (10), wherein,
Main power supply air switch (6) is used for the on/off for controlling electrical equipment in whole main control cabinet (5),
Fan control module (7) while be mutually electrically connected with static pressure transducer (4), fan frequency converter (9), fan frequency converter (9) with
Blower fan (1) is electrically connected, and fan control module (7) is used for blast size in the air-supply main according to static pressure transducer (4) feedback
Send frequency variation signal, and the frequency variation signal is transmitted to fan frequency converter (9), so as to adjust the operating frequency of blower fan (1),
Air-valve control module (8) while mutually it is electrically connected with static pressure transducer (4), main electric air valve actuator (10), main electricity
Move fan valve executor (10) while be also mutually electrically connected with air-supply main Electric air valve (2), air-valve control module (8) is used for according to quiet
Blast size sends air-valve control signal in the air-supply main of pressure sensor (4) feedback, and by the air-valve control signal transmit to
Main electric air valve actuator (10), so as to start and stop air-supply main Electric air valve (2).
A kind of 3. subway plant management information system variable air rate supply air system as claimed in claim 2, it is characterised in that end-of-pipe control
Cabinet (11) includes branch pipe power supply air switch (12), and electric air volume adjusting valve control module (13) and electric air volume adjusting valve are held
Row device (14), wherein,
Branch pipe power supply air switch (12) is used for the on/off for controlling electrical equipment in whole end-of-pipe control cabinet (11),
Electric air volume adjusting valve control module (13) at the same with temperature sensor (15) and electric air volume adjusting valve actuator (14)
It is electrically connected, electric air volume adjusting valve actuator (14) is electrically connected with electric air volume adjusting valve (3), electric air volume adjusting valve control
Molding block (13) is used for observed temperature in the subway plant management information system according to temperature sensor (15) feedback and sends electronic wind
Adjustable valve control signal, and the electric air volume adjusting valve control signal is transmitted to electric air volume adjusting valve actuator (14),
To adjust the aperture of electric air volume adjusting valve (3) by electric air volume adjusting valve actuator (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720774532.XU CN206944404U (en) | 2017-06-29 | 2017-06-29 | A kind of subway plant management information system variable air rate supply air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720774532.XU CN206944404U (en) | 2017-06-29 | 2017-06-29 | A kind of subway plant management information system variable air rate supply air system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206944404U true CN206944404U (en) | 2018-01-30 |
Family
ID=61367668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720774532.XU Active CN206944404U (en) | 2017-06-29 | 2017-06-29 | A kind of subway plant management information system variable air rate supply air system |
Country Status (1)
| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120775A (en) * | 2017-06-29 | 2017-09-01 | 中铁第四勘察设计院集团有限公司 | A kind of subway plant management information system variable air rate supply air system and its control method |
| CN109990445A (en) * | 2019-04-09 | 2019-07-09 | 上海真聂思楼宇科技有限公司 | A kind of air conditioning system with variable energy-saving controller and method |
| CN112303785A (en) * | 2019-08-02 | 2021-02-02 | 上海海立（集团）股份有限公司 | Static pressure air dividing box, fresh air system and operation control method thereof |
-
2017
- 2017-06-29 CN CN201720774532.XU patent/CN206944404U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120775A (en) * | 2017-06-29 | 2017-09-01 | 中铁第四勘察设计院集团有限公司 | A kind of subway plant management information system variable air rate supply air system and its control method |
| CN109990445A (en) * | 2019-04-09 | 2019-07-09 | 上海真聂思楼宇科技有限公司 | A kind of air conditioning system with variable energy-saving controller and method |
| CN112303785A (en) * | 2019-08-02 | 2021-02-02 | 上海海立（集团）股份有限公司 | Static pressure air dividing box, fresh air system and operation control method thereof |
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