CN106969452A - A kind of air conditioner water cold accumulation system - Google Patents
A kind of air conditioner water cold accumulation system Download PDFInfo
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- CN106969452A CN106969452A CN201710331620.7A CN201710331620A CN106969452A CN 106969452 A CN106969452 A CN 106969452A CN 201710331620 A CN201710331620 A CN 201710331620A CN 106969452 A CN106969452 A CN 106969452A
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Other Air-Conditioning Systems (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air conditioner water cold accumulation system, including coil pipe of air-conditioner blower, pond, first ice-reserving water pot, second ice-reserving water pot, water supply tank and controller, the water inlet end of coil pipe of air-conditioner blower is provided with inlet pipeline, the water side of coil pipe of air-conditioner blower is provided with outlet pipeline, coil pipe of air-conditioner blower is provided with circulation line, the first pipeline and the second pipeline are connected between inlet pipeline and outlet pipeline, first ice storage tank is arranged on the first pipeline, second ice storage tank is arranged on the second pipeline, the recovery tank for using pipeline to be connected with the water side of coil pipe of air-conditioner blower is provided with pond, inlet pipeline is provided with the second water pump, outlet pipeline is provided with the 3rd water pump and the 4th magnetic valve, temperature sensor is provided with the water side of coil pipe of air-conditioner blower, temp probe is provided with coil pipe of air-conditioner blower, temperature sensor and temp probe are connected with controller, water supply tank is connected using water pipe with the first pipeline and the second pipeline.Air conditioning energy consumption is reduced, the hot water after heat exchange realizes that recuperation of heat is utilized.
Description
Technical field
The present invention relates to a kind of air conditioner water cold accumulation system.
Background technology
The evident characteristic that China's supply of electric power in recent years occurs, is exactly " peak value " load and the night of summer day
" paddy phase " peak-valley difference of load is very big, makes the rate of load condensate of power network and reduces；Air-conditioning is important large electricity consumer, is also to cause power network peak
The main cause of paddy load, and cold storage air conditioning apparatus is then an effective way for solving this problem；Water cool-storage technology is profit
With the electricity price between peak and valley of power network, night uses handpiece Water Chilling Units cold-storage in pond, and daytime, pond was let cool and main frame keeps away peak operation
Energy-saving type air conditioner mode, it, which has, invests small, reliable, good refrigeration effect, the characteristics of economic benefit is obvious, and annual can be user
Considerable operation of air conditioner expense is saved, can also realize that the big temperature difference send water and emergent low-temperature receiver, it is big relative to ice-storage system investment, adjust
Examination is complicated, promotes for the larger situation of difficulty, the characteristics of water cold storage has economic simple has in itself using heavy construction
Fire cistern carry out cold storage, so Water cold storage technology has wide development space and application prospect, its society's effect
Benefit, which is embodied in, to reduce power plant's investment with balancing power network load, and environment purification meets national industrial policies developing direction.
The most volumes of cold-storage groove under prior art are larger, and cold storage capacity is less efficient, and floor space is also big, and transports not side
Just, it is impossible to modularized production, so can only make, the construction period is not only influenceed, and field fabrication is present necessarily not
Certainty, quality is difficult to ensure that, causes risk factor to increase, for the small Gongjian of construction area or cell, is difficult to realize, and
Fabrication cycle length, do not show still the shortcomings of floor space is big, and can not be controlled by the cold water flow of coil pipe of air-conditioner blower component,
It is also without the sufficient time that taken cold is complete when chilled water flows through fan coil units when flow and larger flow velocity
Portion is released, and tank is just returned again and is gone, therefore chilled water pump has done many idle works, and these are all unnecessary energy consumptions.
The content of the invention
The technical problem to be solved in the present invention is to provide one kind it is simple in construction, using, it is easy for installation, it is simple to operate, reduction
The cold consumption of frozen water, improves the utilization rate of cold water, and cost is low, and performance is stable, reduces air conditioning energy consumption, the hot water after heat exchange can
Realize that recuperation of heat is utilized, increase unit operating efficiency, applied widely, service life is long, the air-conditioning with safe and reliable effect
Chilled water storage system.
To solve the above problems, the present invention is adopted the following technical scheme that：
A kind of air conditioner water cold accumulation system, including coil pipe of air-conditioner blower, pond, the first ice-reserving water pot, the second ice-reserving water pot, water supply tank
And controller, the water inlet end of the coil pipe of air-conditioner blower is provided with inlet pipeline, and the water side of the coil pipe of air-conditioner blower is provided with out
Water lines, the coil pipe of air-conditioner blower is provided with circulation line, and the circulation line is provided with the 3rd magnetic valve and the first water pump,
The first pipeline and the second pipeline are connected between the inlet pipeline and outlet pipeline, first ice storage tank is arranged on the first pipe
Lu Shang, second ice storage tank is arranged on the second pipeline, is respectively arranged with the first pipeline of the first ice storage tank both sides
The second refrigeration machine and are respectively arranged with first refrigeration machine and the first magnetic valve, the second pipeline of the second ice storage tank both sides
The recovery tank for using pipeline to be connected with the water side of coil pipe of air-conditioner blower, the recovery tank are provided with two magnetic valves, the pond
Water side be provided with the 3rd pipeline that is connected with the first pipeline, the water side of the recovery tank is additionally provided with what is be connected with the second pipeline
4th pipeline, the inlet pipeline is provided with the second water pump, and the outlet pipeline is provided with the 3rd water pump and the 4th magnetic valve, institute
State to be provided with temperature sensor, the coil pipe of air-conditioner blower at the water side of coil pipe of air-conditioner blower and be provided with temp probe, the temperature
Degree sensor and temp probe are connected with controller, and the water supply tank is connected using water pipe with the first pipeline and the second pipeline,
The 4th water pump is provided with the water side of the water supply tank.
As preferred technical scheme, the controller is used to control the first magnetic valve, the second magnetic valve, the 3rd electromagnetism
Valve, the 4th magnetic valve, the first water pump, the second water pump, the 3rd water pump, the 4th water pump, the first refrigeration machine and the second refrigeration machine, it is described
First magnetic valve, the second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve, the first water pump, the second water pump, the 3rd water pump, the 4th water
Pump, the first refrigeration machine and the second refrigeration are electrically connected with controller use, and the temperature sensor is by the water outlet of coil pipe of air-conditioner blower
The temperature information of the water of mouth gathers and passes to controller, and temp probe is then by the water at each position in coil pipe of air-conditioner blower
Temperature information gathers and passes to controller.
As preferred technical scheme, first refrigeration machine is positioned close on the first pipeline of outlet pipe terminal, institute
State the first magnetic valve to be positioned close on the first pipeline of water inlet pipe terminal, second refrigeration machine is positioned close to outlet pipeline
On second pipeline at end, second magnetic valve is positioned close on the second pipeline of water inlet pipe terminal, the recovery tank and sky
Valve is provided with the pipeline for adjusting fan coil connection, the water supply tank and the first pipeline and the second pipeline connection are set, and interior
The water in portion can be flowed back in water supply tank back and forth, so as to be changed to the water in chilled water storage system.
As preferred technical scheme, the water inlet end connection of described circulation line one end and coil pipe of air-conditioner blower, the other end
It is connected with the water side of coil pipe of air-conditioner blower.
As preferred technical scheme, the temp probe is arranged on the inwall of coil pipe of air-conditioner blower, and temp probe
Provided with multiple, multiple temp probes are evenly distributed in coil pipe of air-conditioner blower.
A kind of beneficial effect of air conditioner water cold accumulation system of the present invention is：It is simple in construction, using, it is easy for installation, it is simple to operate,
The cold consumption of frozen water is reduced, the utilization rate of cold water is improved, cost is low, performance is stable, air conditioning energy consumption, the heat after heat exchange is reduced
Water can realize that recuperation of heat is utilized, and increase unit operating efficiency, applied widely, service life is long, with safe and reliable effect.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of air conditioner water cold accumulation system of the invention；
Fig. 2 is a kind of control figure of air conditioner water cold accumulation system of the invention.
Embodiment
Refering to a kind of air conditioner water cold accumulation system shown in Fig. 1 and Fig. 2, including coil pipe of air-conditioner blower 1, pond 2, the first ice-reserving
Water pot 3, the second ice-reserving water pot 4, water supply tank 5 and controller, the water inlet end of the coil pipe of air-conditioner blower 1 are provided with inlet pipeline 6, institute
The water side for stating coil pipe of air-conditioner blower 1 is provided with outlet pipeline 7, and the coil pipe of air-conditioner blower 1 is provided with circulation line 8, described to follow
Endless tube road 8 is provided with the 3rd magnetic valve 9 and the first water pump 10, and the first pipe is connected between the inlet pipeline 6 and outlet pipeline 7
The pipeline 12 of road 11 and second, first ice storage tank 3 is arranged on the first pipeline 11, and second ice storage tank 4 is arranged on second
On pipeline 12, the first refrigeration machine 13 and the first magnetic valve are respectively arranged with the first pipeline 11 of the both sides of the first ice storage tank 3
14, the second refrigeration machine 15 and the second magnetic valve 16 are respectively arranged with the second pipeline 12 of the both sides of the second ice storage tank 4, it is described
The recovery tank 17 for using pipeline to be connected with the water side of coil pipe of air-conditioner blower 1, the water side of the recovery tank 17 are provided with pond 2
Provided with the 3rd pipeline 101 being connected with the first pipeline 11, the water side of the recovery tank 17 is additionally provided with to be connected with the second pipeline 12
The 4th pipeline 102, the inlet pipeline 6 be provided with the second water pump 201, the outlet pipeline 7 be provided with the He of the 3rd water pump 202
It is provided with temperature sensor, the coil pipe of air-conditioner blower 1 and sets at 4th magnetic valve 203, the water side of the coil pipe of air-conditioner blower 1
There is temp probe, the temperature sensor and temp probe are connected with controller, the water supply tank 5 is using water pipe and the first pipe
The pipeline 12 of road 11 and second is connected, and the 4th water pump 211 is provided with the water side of the water supply tank 5.
A preferred embodiment in the present invention, the controller is used to control the first magnetic valve, the second magnetic valve, the 3rd
Magnetic valve, the 4th magnetic valve, the first water pump, the second water pump, the 3rd water pump, the 4th water pump, the first refrigeration machine and the second refrigeration machine,
First magnetic valve, the second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve, the first water pump, the second water pump, the 3rd water pump,
Four water pumps, the first refrigeration machine and the second refrigeration are electrically connected with controller use, and the temperature sensor is by coil pipe of air-conditioner blower
The temperature information of the water of delivery port gathers and passes to controller, and temp probe is then by each position in coil pipe of air-conditioner blower
The temperature information of water gathers and passes to controller.
A preferred embodiment in the present invention, first refrigeration machine is positioned close to the first pipeline of outlet pipe terminal
On, first magnetic valve is positioned close on the first pipeline of water inlet pipe terminal, and second refrigeration machine is positioned close to out
On second pipeline of water pipe terminal, second magnetic valve is positioned close on the second pipeline of water inlet pipe terminal, the backwater
Valve is provided with the pipeline that case is connected with coil pipe of air-conditioner blower, the water supply tank is set with the first pipeline and the second pipeline connection
Put, and internal water can be flowed back in water supply tank back and forth, so as to be changed to the water in chilled water storage system.
The water inlet end connection of a preferred embodiment in the present invention, described circulation line one end and coil pipe of air-conditioner blower,
The water side connection of the other end and coil pipe of air-conditioner blower.
A preferred embodiment in the present invention, the temp probe is arranged on the inwall of coil pipe of air-conditioner blower, and temperature
Degree probe is provided with multiple, and multiple temp probes are evenly distributed in coil pipe of air-conditioner blower.
Further, in the present invention, temperature sensor is existing equipment, therefore is not described in detail in the present invention,
And the model GF11044 of temperature sensor in the present invention.
Further, outlet pipeline is provided with temperature sensor, and the temperature sensor is connected with controller, works as outlet pipe
When coolant-temperature gage on road is relatively low, the valve that can be closed by controller on outlet pipeline opens the water pump and valve on circulation line
Door so that the relatively low water of temperature again passes by coil pipe of air-conditioner blower and cooled down, it is to avoid the cold of the relatively low water of temperature is lost in, and
When temp probe monitors that the temperature that will flow out the water of fan coil is relatively low, it can be controlled by controller on inlet pipeline
Water pump output and control be arranged on valve on outlet pipe and circulation line so that by the water of fan coil
Flow diminish, increase fan coil inner cold water heat exchange, so as to avoid the cold of cold water from being lost in, reduce energy consumption, confession
Pond is connected with cold-storage water pot, and being supplied water and being had by water pump sets water filtration filter element on a water return pipeline, water return pipeline, to water
Filtered, so as to avoid water water quality in long-term use poor and cause the accumulation of the pipeline inner wall of whole air conditioner water cold accumulation system
More dirt and influence its cooling effect.
Further, the main performance index of refrigeration machine has operating temperature（It is evaporating temperature to vapor compression refrigerator
And condensation temperature, it is the temperature of cooled object and the temperature of cooling medium to gas compression formula refrigeration machine and semiconductor cooler）,
Refrigerating capacity（The heat removed in the refrigeration machine unit interval from object to be cooled）, power or heat consumption, coefficient of refrigerating performance（Weigh compression
The index of formula refrigeration machine economy, refers to the getable cold of consumption specific work institute）And thermodynamic coefficient（Weigh absorption and steam
The index of ejector type refrigerating machine economy, refers to the getable cold of consumption units of heat institute）Deng.
Further, refrigeration machine（refrigerating machine）By the heat of the object to be cooled with lower temperature
Amount is transferred to surrounding medium to obtain the machine of cold；The heat shifted from lower temperature object is traditionally referred to as cold；System
Thermal procession change is participated in cold（Energy is changed and heat transfer）Working medium be referred to as refrigerant；The temperature range of refrigeration is usual
In more than 120K, 120K is with subordinate's profound hypothermia technical scope.
Refrigeration machine can be divided into：Compression refrigerating machine, Absorption Refrigerator, steam jet refrigerator, semiconductor refrigerating.Its
Middle vapour compression refrigerator（It is piston type, swinging, screw, centrifugal）, Absorption Refrigerator and steam-sprayed refrigeration
Machine is using relatively broad.
Refrigeration machine principle：1. compression refrigerating machine, improves the pressure of refrigerant to realize refrigeration by the effect of compressor
Circulation, can be divided into vapor compression refrigerator again by refrigerant category（Based on hydraulic pressure sweat cooling, week will occur for refrigerant
The solution-air phase transformation of phase property）With gas compression refrigerating machine（Based on high pressure gas expansion freezes, refrigerant is in gas all the time
Body state）Two kinds, modern refrigerant machine is most widely used with vapor compression refrigerator；2. Absorption Refrigerator, by absorber-hair
Raw device group（Heat chemistry compressor reducer）Effect complete kind of refrigeration cycle, ammonia water absorbing, suction-type lithium bromide and absorption can be divided into again
3 kinds of diffusion type；3. steam jet refrigerator, by steam jet ejector（Injection type compressor）Effect complete kind of refrigeration cycle；
4. semiconductor cooler, cold is produced using the thermo-electrically effect of semiconductor.
A kind of air conditioner water cold accumulation system of the present invention has advantages below：In use, in power network night trough-electricity, can pass through
First refrigeration machine and the second refrigeration machine are to the water cold storage in corresponding first ice-reserving water pot and the second ice-reserving water pot, and daytime is by first
Water in ice-reserving water pot and the second ice-reserving water pot after cold-storage is let cool, and air-conditioning operationally then keeps away peak operation, reduces air-conditioning and exists
The electric energy loss on daytime, so that use cost that is effective and reducing user, and after cold water is being let cool to air-conditioning,
Because cold water when in use is let cool, effect is not ideal, and by set temperature sensor, can going out coil pipe of air-conditioner blower
Water at water end (W.E.) carries out temperature monitoring, if water temperature can also carry out heat exchange again, and circulation pipe is arranged on by controller control
The 3rd magnetic valve and the first water pump on road, water are again inputted into coil pipe of air-conditioner blower from circulating line from being let cool
Reason, so as to avoid the cold in cold water from being occurred by the situation of consumption in vain or loss, improves the utilization rate of cold water, and works as
Temperature sensor monitors to water temperature can not meet the temperature of heat exchange again when, and water temperature it is not high when, then pass through outlet pipe
Deliver water into the first refrigeration machine and the second refrigeration machine carries out refrigeration again and is stored in the first ice-reserving water pot and the second ice-reserving water pot
It is interior, and when flow out coil pipe of air-conditioner blower at water temperature it is higher when, water can be delivered in recovery tank, pass through the high-temperature water pair of backwater
Water in pond carries out heat exchange, so that the coolant-temperature gage in pond rises, so that the water in pond is then set available for other
It is standby to use, such as the equipment such as boiler, and water in recovery tank with pond in hydrothermal exchange after temperature can reduce, water is defeated
The first refrigeration machine and the second refrigeration machine cooling are delivered to, so that the energy consumption of the first refrigeration machine and the second refrigeration machine can be also reduced, and also
The refrigerating efficiency of the first refrigeration machine and the second refrigeration machine can be increased.Its is simple in construction, using, it is easy for installation, it is simple to operate, reduction
The cold consumption of frozen water, improves the utilization rate of cold water, and cost is low, and performance is stable, reduces air conditioning energy consumption, the hot water after heat exchange can
Realize that recuperation of heat is utilized, increase unit operating efficiency, applied widely, service life is long, with safe and reliable effect.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
The change or replacement expected without creative work, should all be included within the scope of the present invention.Therefore, it is of the invention
Protection domain should be determined by the scope of protection defined in the claims.
Claims (5)
1. a kind of air conditioner water cold accumulation system, it is characterised in that：Stored including coil pipe of air-conditioner blower, pond, the first ice-reserving water pot, second
Frozen water tank, water supply tank and controller, the water inlet end of the coil pipe of air-conditioner blower are provided with inlet pipeline, the coil pipe of air-conditioner blower
Water side is provided with outlet pipeline, and the coil pipe of air-conditioner blower is provided with circulation line, and the circulation line is provided with the 3rd electromagnetism
Valve and the first water pump, are connected with the first pipeline and the second pipeline, first ice-reserving between the inlet pipeline and outlet pipeline
Tank is arranged on the first pipeline, and second ice storage tank is arranged on the second pipeline, the first pipe of the first ice storage tank both sides
It is respectively arranged with the first refrigeration machine and the first magnetic valve, the second pipeline of the second ice storage tank both sides and is respectively arranged with road
The backwater for using pipeline to be connected with the water side of coil pipe of air-conditioner blower is provided with second refrigeration machine and the second magnetic valve, the pond
Case, the water side of the recovery tank is provided with the 3rd pipeline be connected with the first pipeline, the water side of the recovery tank be additionally provided with and
4th pipeline of the second pipeline connection, the inlet pipeline is provided with the second water pump, and the outlet pipeline is provided with the 3rd water pump
With the 4th magnetic valve, it is provided with temperature sensor, the coil pipe of air-conditioner blower at the water side of the coil pipe of air-conditioner blower and is provided with
Temp probe, the temperature sensor and temp probe are connected with controller, and the water supply tank uses water pipe and the first pipeline
Connected with the second pipeline, the 4th water pump is provided with the water side of the water supply tank.
2. air conditioner water cold accumulation system according to claim 1, it is characterised in that：The controller is used to control the first electromagnetism
Valve, the second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve, the first water pump, the second water pump, the 3rd water pump, the 4th water pump, first
Refrigeration machine and the second refrigeration machine, first magnetic valve, the second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve, the first water pump,
Second water pump, the 3rd water pump, the 4th water pump, the first refrigeration machine and the second refrigeration are with controller using electrically connecting, and the temperature is passed
The temperature information of the water of the delivery port of coil pipe of air-conditioner blower is gathered and passes to controller by sensor, and temp probe is then by air-conditioning
The temperature information of the water at each position gathers and passes to controller in fan coil.
3. air conditioner water cold accumulation system according to claim 1, it is characterised in that：First refrigeration machine is positioned close to out
On first pipeline of water pipe terminal, first magnetic valve is positioned close on the first pipeline of water inlet pipe terminal, and described second
Refrigeration machine is positioned close on the second pipeline of outlet pipe terminal, and second magnetic valve is positioned close to the of water inlet pipe terminal
On two pipelines, valve, the water supply tank and the first pipeline are provided with the pipeline that the recovery tank is connected with coil pipe of air-conditioner blower
Set with the second pipeline connection, and internal water can be flowed back in water supply tank back and forth, so as to enter to the water in chilled water storage system
Row is changed.
4. air conditioner water cold accumulation system according to claim 1, it is characterised in that：Described circulation line one end and air-conditioning draught fan
The water side of the water inlet end connection of coil pipe, the other end and coil pipe of air-conditioner blower is connected.
5. air conditioner water cold accumulation system according to claim 1, it is characterised in that：The temp probe is arranged on air-conditioning draught fan
On the inwall of coil pipe, and temp probe is provided with multiple, and multiple temp probes are evenly distributed in coil pipe of air-conditioner blower.
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| CN201710331620.7A CN106969452A (en) | 2017-05-12 | 2017-05-12 | A kind of air conditioner water cold accumulation system |
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| CN107270455A (en) * | 2017-08-03 | 2017-10-20 | 珠海格力电器股份有限公司 | Refrigerating device, integrated cold station and air conditioner |
| CN107728673A (en) * | 2017-11-23 | 2018-02-23 | 深圳市共享能源技术有限公司 | Temperature control regulating system |
| CN108224631A (en) * | 2017-12-27 | 2018-06-29 | 深圳市艾特网能技术有限公司 | A kind of data center meets an urgent need refrigeration system and its control method |
| CN108224631B (en) * | 2017-12-27 | 2020-09-22 | 深圳市艾特网能技术有限公司 | Data center emergency refrigeration system and control method thereof |
| CN108903299A (en) * | 2018-07-17 | 2018-11-30 | 阮鑫 | A kind of ground pot chicken places table |
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