CN206583042U - Fresh air handling units applied to the air enthalpy of hospital freeze water controller - Google Patents

Fresh air handling units applied to the air enthalpy of hospital freeze water controller Download PDF

Info

Publication number
CN206583042U
CN206583042U CN201720240062.9U CN201720240062U CN206583042U CN 206583042 U CN206583042 U CN 206583042U CN 201720240062 U CN201720240062 U CN 201720240062U CN 206583042 U CN206583042 U CN 206583042U
Authority
CN
China
Prior art keywords
water
enthalpy
water temperature
air
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720240062.9U
Other languages
Chinese (zh)
Inventor
程奇
薛雪
颜承初
孙雪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Das Intellitech Co Ltd
Original Assignee
Shenzhen Das Intellitech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Das Intellitech Co Ltd filed Critical Shenzhen Das Intellitech Co Ltd
Priority to CN201720240062.9U priority Critical patent/CN206583042U/en
Application granted granted Critical
Publication of CN206583042U publication Critical patent/CN206583042U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Air Conditioning Control Device (AREA)

Abstract

The utility model is related to the Fresh air handling units freezing water controller of the air enthalpy applied to hospital, including provides to room the Fresh air handling units of fresh air, enthalpy sensor cluster, for detecting room indoor and outdoor air enthalpy and delivery air enthalpy data;Cooling-water temperature sensor component, for detecting chilled water supply water temperature and return water temperature and exporting supply water temperature data and return water temperature data;And the flowmeter of water flow data is exported for measuring chilled water water supply water-carrying capacity;Valve, is arranged in the water supply line of chilled water, for adjusting chilled water water supply water-carrying capacity;Controller, it is connected respectively with enthalpy sensor cluster, cooling-water temperature sensor component, flowmeter and valve, computing is compared based on air enthalpy data, supply water temperature data, return water temperature data and water flow data, the aperture regulation chilled water water supply water-carrying capacity of Valve controlling valve is output control signals to according to comparison operation result.This programme realizes energy-conservation while indoor air quality is ensured.

Description

Fresh air handling units applied to the air enthalpy of hospital freeze water controller
Technical field
The utility model is related to the technical field of air-conditioning, more specifically to a kind of air enthalpy applied to hospital Fresh air handling units freezing water controller.
Background technology
In China, more than the 12.5 hundred million tons standard coals of building energy consumption total amount in 2014 account for social total energy consumption 30%.Central air-conditioning Energy consumption accounts for building total energy consumption 65%, and wherein Air Conditioning Facilities energy consumption accounts for air conditioning energy consumption 70% or so.Room is introduced in air-conditioning system Outer fresh air is the key for ensureing good indoor air quality.Outdoor air summer enthalpy and temperature higher than room air enthalpy and During temperature, air-conditioning system certainly will will consume cold for processing fresh air.In south China area, especially subtropical zone warm area, There is sizable a part of energy consumption to be used in outdoor fresh air in central air conditioner system to handle above.
Traditional central air conditioner system method of operation is typically the method for supplying using setting fresh-air volume, to meet correspondence Careat and the minimum fresh air demand of personnel, and be not concerned with the air condition (such as air enthalpy) of the handled fresh air crossed.Cause This, often causes the excessive or not enough situation of Fresh air handing cold to occur, can not be really achieved indoor air quality Demand, while can also cause the energy dissipation of Fresh air handling units.
Utility model content
The technical problems to be solved in the utility model is that the drawbacks described above for prior art is applied to there is provided one kind The Fresh air handling units freezing water controller of the air enthalpy of hospital.
The utility model solves the technical scheme that its technical problem used:Construct a kind of air enthalpy applied to hospital Value Fresh air handling units freezing water controller, including to room provide fresh air Fresh air handling units and
Enthalpy sensor cluster, for detecting the room indoor and outdoor air enthalpy and delivery air enthalpy data;
Cooling-water temperature sensor component, for detecting the chilled water supply water temperature and return water temperature and exporting supply water temperature data With return water temperature data;And the flowmeter of water flow data is exported for measuring the chilled water water supply water-carrying capacity;
Valve, is arranged in the water supply line of the chilled water, for adjusting the chilled water water supply water-carrying capacity;
Controller, respectively with the enthalpy sensor cluster, the cooling-water temperature sensor component, the flowmeter, Yi Jisuo Valve connection is stated, based on the air enthalpy data, the supply water temperature data, the return water temperature data and the water Data on flows is compared computing, the aperture of valve according to comparison operation result outputs control signals to the Valve controlling To adjust the chilled water water supply water-carrying capacity.
In the Fresh air handling units freezing water controller of the air enthalpy described in the utility model applied to hospital, preferably Ground, the air enthalpy data include room air enthalpy data and outdoor air enthalpy data.
In the Fresh air handling units freezing water controller of the air enthalpy described in the utility model applied to hospital, preferably Ground, the enthalpy sensor cluster includes the first air enthalpy sensor and the second air enthalpy sensor, first air Enthalpy sensor is arranged on outside the room room, for detecting the outdoor air enthalpy and exporting outdoor air enthalpy number According to;The second air enthalpy sensor is arranged in the room room, for detecting the indoor air enthalpy and output Room air enthalpy data.
In the Fresh air handling units freezing water controller of the air enthalpy described in the utility model applied to hospital, preferably Ground, the cooling-water temperature sensor component includes the first cooling-water temperature sensor and the second cooling-water temperature sensor;First cooling-water temperature sensor is set In the water supply line for putting the chilled water, second cooling-water temperature sensor is arranged in the water return pipeline of the chilled water.
In the Fresh air handling units freezing water controller of the air enthalpy described in the utility model applied to hospital, preferably Ground, the flowmeter is arranged in the water supply line of the chilled water and one end close with the Fresh air handling units;Described first Cooling-water temperature sensor is arranged between the flowmeter and the valve.
In the Fresh air handling units freezing water controller of the air enthalpy described in the utility model applied to hospital, preferably Ground, the valve is electrically operated valve.
In the Fresh air handling units freezing water controller of the air enthalpy described in the utility model applied to hospital, preferably Ground, the electrically operated valve is adjustable electric valve, and the adjustable range of the adjustable electric valve is 0%~100%.
In the Fresh air handling units freezing water controller of the air enthalpy described in the utility model applied to hospital, preferably Ground, the electrically operated valve is Siemens's electrically operated valve.
In the Fresh air handling units freezing water controller of the air enthalpy described in the utility model applied to hospital, preferably Ground, the controller is PLC.
In the Fresh air handling units freezing water controller of the air enthalpy described in the utility model applied to hospital, preferably Ground, the PLC is SIEMENS PLC controller.
In the Fresh air handling units freezing water controller of the air enthalpy described in the utility model applied to hospital, preferably Ground, the controller is DDC controllers.
Implement the Fresh air handling units freezing water controller of the air enthalpy of the present utility model applied to hospital, with following Beneficial effect:Fresh air handling units of the present utility model freezing water controller is by being arranged on the enthalpy sensor group of room indoor and outdoor Part, cooling-water temperature sensor component can be supervised to hospital's indoor and outdoor air enthalpy and Fresh air handling units chilled water supply and return water temperature in real time Survey, and obtain corresponding control signal to control the valve in chilled water pipe to realize according to Real-time Monitoring Data by controller Fresh air handling units are entered with the control of Mobile state chilled-water flow, realizes under the premise of indoor air quality is ensured, has reached energy-conservation Purpose.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is that the Fresh air handling units for the air enthalpy that the utility model is applied to hospital freeze the structural representation of water controller Figure.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of utility model, rather than whole Embodiment.Based on embodiment of the present utility model, those of ordinary skill in the art institute under the premise of creative work is not made The every other embodiment obtained, belongs to the scope of the utility model protection.
The Fresh air handling units freezing water controller that the utility model is applied to the air enthalpy of hospital refers to building greatly Type field of central air-conditioning, the particularly regional transition season (such as spring, autumn) in outside air humidity snare, by real-time Hospital's indoor and outdoor air enthalpy and Fresh air handling units chilled water supply and return water temperature are monitored, Mobile state effectively can be entered to Fresh air handling units Chilled-water flow is controlled, so as to while indoor air quality is ensured, realize air conditioner energy saving.
Refering to Fig. 1, Fig. 1 is the Fresh air handling units freezing water controller for the air enthalpy that the utility model is applied to hospital, Fresh air handling units 10 from fresh air to room and enthalpy sensor cluster, cooling-water temperature sensor component, valve 203, flow including providing Meter 201, controller 40.Wherein, enthalpy sensor cluster is used to detect room indoor and outdoor air enthalpy and delivery air enthalpy number According to;Cooling-water temperature sensor component is used to detect chilled water supply water temperature and return water temperature and exports supply water temperature data and return water temperature Data;Flowmeter 201 is used to measure chilled water water supply water-carrying capacity and exports water flow data;Valve 203 is used to adjust chilled water Water supply water-carrying capacity;Controller 40 is used to be based on air enthalpy data, supply water temperature data, return water temperature data and water-carrying capacity Data are compared computing, and the aperture and then tune of the control valve 203 of valve 203 are output control signals to according to comparison operation result Save chilled water water supply water-carrying capacity.
Enthalpy sensor cluster includes the first air enthalpy sensor 101 in the present embodiment and the second air enthalpy is sensed Device 102.Wherein, the air enthalpy data of enthalpy sensor cluster output include room air enthalpy data and outdoor air enthalpy Data.
It is to be appreciated that the first air enthalpy sensor 101 is arranged on outside room room (as shown in Figure 1), it is by setting By fresh-air fan outside the Room of Fresh air handling units 10, the air enthalpy of outdoor can be detected in real time and by measured outdoor air enthalpy Data are sent to controller 40.
Second air enthalpy sensor 102 is arranged in room room, and the air enthalpy of interior can be detected in real time and will be surveyed The room air enthalpy data obtained are sent to controller 40 in real time.
Preferably, the first air enthalpy sensor 101 in the present embodiment can be used with the second air enthalpy sensor 102 Identical air enthalpy sensor.It is for instance possible to use model SMFE000A, SMFE000B or SMFE000C air enthalpy Sensor.It is to be appreciated that air enthalpy sensor of the present utility model also can select other models, however it is not limited to foregoing listed The concrete model of act.
Cooling-water temperature sensor component includes the first cooling-water temperature sensor 202 and the second cooling-water temperature sensor 203.In the present embodiment One cooling-water temperature sensor 202 and the second cooling-water temperature sensor 203 can use identical air enthalpy sensor.
First cooling-water temperature sensor 202 is arranged in the water supply line 20 of chilled water, in chilled water water supply line 20 Chilled water temperature carry out in real time monitoring obtain chilled water supply water temperature data, while also by the confession of measured chilled water Water temperature degrees of data is sent to controller 40.Further, first cooling-water temperature sensor 202 of the present embodiment is arranged on flowmeter 201 Between valve 203.
Second cooling-water temperature sensor 301 is arranged in the water return pipeline 30 of chilled water, in chilled water water return pipeline 30 Chilled water temperature carry out in real time monitoring obtain chilled water return water temperature data, while also by measured chilled water return Water temperature degrees of data is sent to controller 40.
It is to be appreciated that the cooling-water temperature sensor 301 of the first cooling-water temperature sensor 202 and second of the present utility model can use identical Cooling-water temperature sensor, it can be the temperature sensor of Siemens, and the model of selection includes but is not limited to QAD, QAP.This practicality The first new cooling-water temperature sensor 202 and the second cooling-water temperature sensor 301 can also use other kinds of temperature sensor, but not limit In cited concrete model or brand.
Flowmeter 201, is arranged in the water supply line 20 of chilled water and one end close with Fresh air handling units 10.That is this reality It is arranged at new flowmeter 201, the first cooling-water temperature sensor 202 and valve 203 in the water supply line 20 of chilled water, And flowmeter 201 is positioned close to one end of Fresh air handling units 10, and the first cooling-water temperature sensor 202 is set gradually (i.e. with valve 203 First cooling-water temperature sensor 202 is arranged between flowmeter 201 and valve 203).Flowmeter 201 of the present utility model can be used The flowmeter of Siemens, available model includes but is not limited to QVE1902, QVE2000.
Valve 203, is arranged in the water supply line 20 of chilled water, is mainly used in adjusting the water supply output quantity of chilled water, i.e., Adjust the water-carrying capacity size of chilled water water supply line 20.Preferably, valve 203 of the present utility model is electrically operated valve, and it can be with For adjustable electrically operated valve, the scope that can be adjusted be 0%~100%, the i.e. adjustable extent of the aperture of valve 203 be 0%~ 100%.It is to be appreciated that the control signal that the big I of the aperture of valve 203 is exported by controller 40 is controlled, while valve The 0%~100% of the corresponding chilled water water supply water-carrying capacity of aperture 0%~100% of door 203.Preferably, valve of the present utility model 203 can use Siemens's electrically operated valve, and its model includes but is not limited to QVE1900, QVE1901.
Controller 40, is passed with the first air enthalpy sensor 101, the second air enthalpy sensor 102, the first water temperature respectively Sensor 202, flowmeter 201, the second cooling-water temperature sensor 301 and valve 203 are connected.It is to be appreciated that controller 40 and first Air enthalpy sensor 101, the second air enthalpy sensor 102, the first cooling-water temperature sensor 202, flowmeter 201, the second water temperature Sensor 301 and valve 203 can be connected by corresponding transmission line.Controller 40 is mainly used in receiving the first air enthalpy Sensor 101, the second air enthalpy sensor 102, the first cooling-water temperature sensor 202, flowmeter 201, the second cooling-water temperature sensor 301 Data (outdoor air enthalpy data, room air enthalpy data, supply water temperature data, water supply water-carrying capacity, the return water temperature of transmission Data), and to outdoor air enthalpy data, room air enthalpy data, supply water temperature data, water supply water-carrying capacity, return water temperature Data are compared computing and obtain corresponding comparison operation result, and according to the corresponding control of comparison operation result output obtained Signal processed, the control signal exported is transmitted to the aperture of valve 203 and then control valve 203 (the aperture model of controllable adjustable Enclose for 0%~100%), so as to adjust the size of the water-carrying capacity of chilled water water supply, realize that to enter Mobile state to Fresh air handling units 10 cold Freeze water-carrying capacity control, indoor air environment is adjusted in time, not only can be according to the data measured in real time to Interior Space compression ring Border is regulated and controled in time, can also effectively save the energy of air-conditioning system, it is to avoid situation excessive to Fresh air handing cold or not enough Occur, fresh air treatment system is realized energy-conservation.
Preferably, controller 40 of the present utility model can be PLC or DDC controllers.For example, can be using west The sub- PLC of door, model includes but is not limited to S7-1500, S7-200Smart.
The Fresh air handling units freezing water controller of air enthalpy of the present utility model applied to hospital, by hospital room The interior and outdoor corresponding air enthalpy sensor of setting is monitored in real time to the air enthalpy of indoor and outdoor, and utilizes water temperature sensing Device monitors the supply and return water temperature of the chilled water of Fresh air handling units 10 in real time, by the output control signal feedback regulation control fresh air of controller 40 The valve 203 of the chilled water water supply line 20 of unit 10, and then the dynamic control to chilled-water flow is realized, ensureing room air On the premise of quality, the energy-conservation of Hospital Central Air-conditioning System Fresh air handling units is finally realized.In Application Example of the present utility model In, flowmeter 201, the first cooling-water temperature sensor 202, the second cooling-water temperature sensor 301, valve 203 and controller 40 can select West gate sub-brand name, the problem of can avoiding being adapted between each device, compatibility is good, it is higher to run more stable, live execution reliability.
Above example is only to illustrate technical concepts and features of the present utility model, and its object is to allow be familiar with technique Personage can understand content of the present utility model and implement accordingly, protection domain of the present utility model can not be limited.It is all with The equivalent changes and modifications that the utility model right is done, all should belong to the utility model claim covers model Enclose.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted, And all these modifications and variations should all belong to the protection domain of the utility model appended claims.

Claims (11)

1. a kind of Fresh air handling units freezing water controller of air enthalpy applied to hospital, including provide the new of fresh air to room Blower fan group, it is characterised in that also include:
Enthalpy sensor cluster, for detecting the room indoor and outdoor air enthalpy and delivery air enthalpy data;
Cooling-water temperature sensor component, for detecting the chilled water supply water temperature and return water temperature and exporting supply water temperature data and return Water temperature degrees of data;And for measuring the chilled water water supply water-carrying capacity and exporting the flowmeter of water flow data;
Valve, is arranged in the water supply line of the chilled water, for adjusting the chilled water water supply water-carrying capacity;
Controller, respectively with the enthalpy sensor cluster, the cooling-water temperature sensor component, the flowmeter and the valve Door connection, based on the air enthalpy data, the supply water temperature data, the return water temperature data and the water-carrying capacity Data are compared computing, and the aperture of valve is to adjust according to comparison operation result outputs control signals to the Valve controlling Save the chilled water water supply water-carrying capacity.
2. the Fresh air handling units freezing water controller of the air enthalpy according to claim 1 applied to hospital, its feature It is, the air enthalpy data include room air enthalpy data and outdoor air enthalpy data.
3. the Fresh air handling units freezing water controller of the air enthalpy according to claim 2 applied to hospital, its feature It is, the enthalpy sensor cluster includes the first air enthalpy sensor and the second air enthalpy sensor, described first is empty Gas enthalpy sensor is arranged on outside the room room, for detecting the outdoor air enthalpy and exporting outdoor air enthalpy number According to;The second air enthalpy sensor is arranged in the room room, for detecting the indoor air enthalpy and output Room air enthalpy data.
4. the Fresh air handling units freezing water controller of the air enthalpy according to claim 1 applied to hospital, its feature It is, the cooling-water temperature sensor component includes the first cooling-water temperature sensor and the second cooling-water temperature sensor;First cooling-water temperature sensor In the water supply line for being arranged on the chilled water, second cooling-water temperature sensor is arranged in the water return pipeline of the chilled water.
5. the Fresh air handling units freezing water controller of the air enthalpy according to claim 4 applied to hospital, its feature It is, the flowmeter is arranged in the water supply line of the chilled water and one end close with the Fresh air handling units;Described One cooling-water temperature sensor is arranged between the flowmeter and the valve.
6. the Fresh air handling units freezing water management dress of the air enthalpy applied to hospital according to any one of claim 1 to 5 Put, it is characterised in that the valve is electrically operated valve.
7. the Fresh air handling units freezing water controller of the air enthalpy according to claim 6 applied to hospital, its feature It is, the electrically operated valve is adjustable electric valve, and the adjustable range of the adjustable electric valve is 0%~100%.
8. the Fresh air handling units freezing water controller of the air enthalpy according to claim 7 applied to hospital, its feature It is, the electrically operated valve is Siemens's electrically operated valve.
9. the Fresh air handling units freezing water controller of the air enthalpy according to claim 1 applied to hospital, its feature It is, the controller is PLC.
10. the Fresh air handling units freezing water controller of the air enthalpy according to claim 9 applied to hospital, its feature It is, the PLC is SIEMENS PLC controller.
11. the Fresh air handling units freezing water controller of the air enthalpy according to claim 1 applied to hospital, its feature It is, the controller is DDC controllers.
CN201720240062.9U 2017-03-13 2017-03-13 Fresh air handling units applied to the air enthalpy of hospital freeze water controller Expired - Fee Related CN206583042U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720240062.9U CN206583042U (en) 2017-03-13 2017-03-13 Fresh air handling units applied to the air enthalpy of hospital freeze water controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720240062.9U CN206583042U (en) 2017-03-13 2017-03-13 Fresh air handling units applied to the air enthalpy of hospital freeze water controller

Publications (1)

Publication Number Publication Date
CN206583042U true CN206583042U (en) 2017-10-24

Family

ID=60111892

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720240062.9U Expired - Fee Related CN206583042U (en) 2017-03-13 2017-03-13 Fresh air handling units applied to the air enthalpy of hospital freeze water controller

Country Status (1)

Country Link
CN (1) CN206583042U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110529990A (en) * 2018-05-25 2019-12-03 精威机电有限公司 The energy conserving system in ice water circuit is completed using temperature sense flow control valve
CN110701692A (en) * 2019-10-23 2020-01-17 同济大学 Air conditioning unit for large-bay operating room and control method thereof
CN117870092A (en) * 2024-01-24 2024-04-12 广东安旺科技有限公司 Air conditioner control method, air conditioner and readable storage medium

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110529990A (en) * 2018-05-25 2019-12-03 精威机电有限公司 The energy conserving system in ice water circuit is completed using temperature sense flow control valve
CN110701692A (en) * 2019-10-23 2020-01-17 同济大学 Air conditioning unit for large-bay operating room and control method thereof
CN117870092A (en) * 2024-01-24 2024-04-12 广东安旺科技有限公司 Air conditioner control method, air conditioner and readable storage medium
CN117870092B (en) * 2024-01-24 2024-10-18 广东安旺科技有限公司 Air conditioner control method, air conditioner and readable storage medium

Similar Documents

Publication Publication Date Title
CN106594965B (en) A kind of Fresh air handing control method and system based on air enthalpy
CN207268524U (en) A kind of geomantic omen joint debugging control device for subway station air-conditioning system
CN206583042U (en) Fresh air handling units applied to the air enthalpy of hospital freeze water controller
CN103411293A (en) Method and device for control on air conditioner cold water system based on tail end cold quantity active adjustment
CN107274303A (en) Intelligent management and control technology platform for urban heat supply energy consumption
CN106871371A (en) Tail end of central air conditioner metering and control device based on air enthalpy difference
CN204943795U (en) A kind of central air conditioner room efficiency optimization system
CN109059187A (en) Capillary network radiation air-conditioner anti-condensation method, apparatus, system and control equipment
CN103471171A (en) Centralized heating quality adjustment intelligent control system and method
CN105115113B (en) A kind of central air conditioner room efficiency optimization system
CN110617549A (en) Heating installation wisdom energy-saving control system based on high in clouds
CN105783113A (en) Intelligent heat supply monitoring system
CN104279692A (en) Energy-saving control method and energy-saving control system for energy consumption track of central air conditioner
CN205678769U (en) A kind of heating network terminal induction central control system
CN205316605U (en) Warm intelligent control economizer who leads to central air conditioning
CN203893368U (en) Self-adaption throttling control equipment for cooling water pump of central air-conditioning water-chilling unit
CN201688865U (en) Environment monitoring system in gymnasium
CN113970177B (en) Fresh air intake control method and device, refrigeration system and air conditioner
CN208687874U (en) Air-cooled heat pump central air conditioner system
CN105605748B (en) A kind of air-conditioning system geomantic omen joint debugging control method and system
CN207797219U (en) Heating and ventilating equipment control system
CN211526662U (en) Subway station ventilation air conditioner economizer system based on load prediction
CN203550027U (en) Heat metering payment control system
CN210425442U (en) Variable air volume energy-saving control cabinet
CN205481584U (en) Integrated economizer system that optimizes of central air conditioning refrigeration station

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171024

Termination date: 20180313

CF01 Termination of patent right due to non-payment of annual fee