CN204187766U - A kind of photovoltaic drives heat pipe combined type air conditioner in machine room unit - Google Patents
A kind of photovoltaic drives heat pipe combined type air conditioner in machine room unit Download PDFInfo
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- CN204187766U CN204187766U CN201420659254.XU CN201420659254U CN204187766U CN 204187766 U CN204187766 U CN 204187766U CN 201420659254 U CN201420659254 U CN 201420659254U CN 204187766 U CN204187766 U CN 204187766U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses a kind of photovoltaic and drive heat pipe combined type air conditioner in machine room unit, it is characterized in that: air conditioner in machine room unit realizes Dual-energy source with photovoltaic electric energy and electrical network electric energy with the form of complementation to power; The outdoor unit of air conditioner in machine room is made up of heat pipe unit and refrigeration unit compound; Heat pipe unit forms heat-pipe working medium closed circuit by the indoor evaporator set gradually, heat pipe magnetic valve, heat pipe condenser, Intermediate Heat Exchanger second channel, reservoir and fluorine pump; Refrigeration unit comprises frequency-changeable compressor and is connected to the refrigerant condenser of exhaust outlet of compressor side, export at refrigerant condenser, one tunnel is successively through bypass magnetic valve, first throttle mechanism and Intermediate Heat Exchanger first passage, another road through main road magnetic valve, second throttle body, indoor evaporator and refrigeration magnetic valve, forms double circulation loop successively.The utility model maximizing utilizes luminous energy and natural cooling source, is embodied as the round-the-clock air conditioning of machine room, significantly energy-saving and emission-reduction.
Description
Technical field
The utility model relates to air-conditioning technical field, is specifically related to a kind ofly the photovoltaic of the outdoor natural energy resources of maximum using to drive heat pipe combined type air-conditioner set and control mode thereof.
Background technology
The fast development of accompanying information industry and digital Construction, the quantity of machine room, base station increases sharply, and the energy consumption of machine room, base station air conditioner accounts for more than 40% of its total energy consumption according to statistics.Data center's sensible heat load is large, building enclosure is closed, round-the-clock running throughout the year, at sun-drenched summer or transition season, if natural energy resources can be utilized to alleviate even substitute vapor compression refrigeration system power consumption, will greatly reduce the energy consumption of air-conditioning system.The research utilizing light energy conversion to be electric energy is hotter topic and research direction always, but always is luminous energy is supplied air-conditioner set through multiple conversions, and transformation efficiency is low.In the season of indoor design temperature lower than outside temperature, conventional air-conditioning system still needs to continue to run compression-type refrigerating system, refrigeration system inefficiency but also there is the integrity problems such as cold-starting, lubrication, energy adjustment.Utilize indoor/outdoor temperature-difference low cost transfer heat or provide the method for cold to obtain the concern of scholar and engineers and technicians in the industry for indoor, and launch engineering and technological research in different forms, as the VMC adopted at present, but this device is not owing to guaranteeing indoor air quality, outdoor dust, moisture etc. cannot be stopped and enter indoor, easily the electronic equipments such as server be caused damage.Although common gas-gas heat-exchange system can ensure the quality of room air, for thermic load, large and temperature uniformity requires high machine room object, needs huge heat exchange area to overcome the low drawback of airair heat exchanger heat transfer efficiency.
A kind of photovoltaic air conditioner cold-heat unit is disclosed in Chinese invention patent application CN201110292998.3, this system has the cold and hot unit utilizing luminous energy to run by day completely, what this system adopted is direct current compressor, and and reckons without the luminous energy inadequate weather unit operation modes such as wet weather and unnecessary photovoltaic electric energy process problem.
A kind of electrical network complementation type solar energy convertible frequency air-conditioner is disclosed in Chinese invention patent application CN201310132587.7, although this system solves and overcast and rainy waits unit operation problem under the inadequate weather of luminous energy, but due to repeatedly straight/interchange transition problem, cause energy utilization rate low.
Photovoltaic direct-drive compressor group is disclosed in Chinese invention patent application CN201420135781.0, dissolved photovoltaic electric energy straight/exchange and transform and electrical network electric energy and photovoltaic electric energy Complementarity Problem, but know due to it and cause other parts energy consumption of system and unsolved problem for function to frequency conversion Systems of Centrifugal Compressor Unit.
Disclose a kind of air-cooling thermotube-type machine room air-conditioning system in Chinese invention patent application CN201010528027.X, this system has compression-type refrigeration and heat pipe circularly cooling two kinds of mode of operations.This system is utilizing outdoor Cryogenic air cold and the deficiency guaranteeing to compensate in indoor air quality first two system, but compression-type refrigeration and heat pipe circularly cooling two kinds of mode of operations switch at a certain temperature spot, can the refrigerating capacity of system steadily be connected and reliably working etc., is worth considering; The ceiling temperature of the heat pipe periodic duty cold being unfavorable for the outdoor Cryogenic air of maximum using on the low side simultaneously.
A kind of heat pipe combined type computer-room air conditioning system is disclosed in Chinese invention patent CN201210037332.8 and CN201210037082.8, this system has heat pipe pattern, composite mode, refrigeration mode three kinds of mode of operations, but drive circulation because it still runs fluorine pump in cooling mode, and there is the problems such as secondary heat exchange efficiency is low, low pressure is shunted, refrigerant charge is large, simultaneously for middle part, south is especially short for running time near area, equator heat pipe, and energy-saving efficiency is low.
Utility model content
The utility model is the weak point for avoiding existing for above-mentioned prior art, a kind of photovoltaic is provided to drive heat pipe combined type air conditioner in machine room unit, low to solve secondary heat exchange efficiency, the problem of low pressure shunting and regional applicability, and it is sufficient for outdoor Luminous energy resource, clean renewable, for making full use of machine room outdoor space natural resources, photovoltaic electric energy is incorporated on the main line of supply machine room electrical network electric energy, electrical network power consumption is significantly reduced by day under the more sufficient state of luminous energy, also unnecessary electrical network electric energy is sent into national grid simultaneously, utilize the outdoor energy substantially, alleviate the restriction of regional disparity to machine room air-conditioning energy-saving, significantly energy-saving and emission-reduction.
The utility model is that technical solution problem adopts following technical scheme:
The utility model photovoltaic drives the design feature of heat pipe combined type air conditioner in machine room unit to be:
Described air conditioner in machine room unit realizes Dual-energy source with photovoltaic electric energy and electrical network electric energy with the form of complementation to power;
The outdoor unit of described air conditioner in machine room is made up of heat pipe unit and refrigeration unit compound;
Described heat pipe unit forms heat-pipe working medium closed circuit by the indoor evaporator set gradually, heat pipe magnetic valve, heat pipe condenser, Intermediate Heat Exchanger second channel, reservoir and fluorine pump;
Described refrigeration unit comprises frequency-changeable compressor and is connected to the refrigerant condenser of exhaust outlet of compressor side, export at described refrigerant condenser, one tunnel is successively through bypass magnetic valve, first throttle mechanism and Intermediate Heat Exchanger first passage, another road through main road magnetic valve, second throttle body, indoor evaporator and refrigeration magnetic valve, forms double circulation loop successively.
The utility model photovoltaic drives the design feature of heat pipe combined type air conditioner in machine room unit to be also: in described heat pipe unit and refrigeration unit, use same cold-producing medium.
The utility model photovoltaic drives the design feature of heat pipe combined type air conditioner in machine room unit to be also: described Intermediate Heat Exchanger (8) is bushing type or plate-type heat-exchange.
The utility model photovoltaic drives the design feature of heat pipe combined type air conditioner in machine room unit to be also: described Dual-energy source is powered and had following four kinds of mode of operations:
When photovoltaic electric energy is greater than electric energy needed for air conditioner in machine room unit, unnecessary photovoltaic electric energy proceeds to electrical network;
When photovoltaic electric energy equals electric energy needed for air conditioner in machine room unit, air conditioner in machine room unit is to zero energy consumption of electric NetTone Communicator;
When photovoltaic electric energy is less than electric energy needed for air conditioner in machine room unit, electric energy needed for electrical network power compensation air conditioner in machine room unit;
When the output of photovoltaic electric energy is zero, by electrical network electric energy directly for air-conditioner set is powered.
The utility model photovoltaic drives the control method of heat pipe combined type air conditioner in machine room unit to be: described outdoor air conditioner unit is according to different outdoor environment temperature switchover operations in different mode of operations, and described mode of operation comprises kind of refrigeration cycle pattern, transition cycles pattern and heat pipe circulation mode;
Under described kind of refrigeration cycle pattern: refrigeration magnetic valve is opened, heat pipe closed electromagnetic valve, and main road magnetic valve is opened, bypass closed electromagnetic valve; Refrigeration work loop is formed by compressor, refrigerant condenser, main road magnetic valve, second throttle body, indoor evaporator and refrigeration magnetic valve;
Under described transition cycles pattern: refrigeration closed electromagnetic valve, heat pipe magnetic valve is opened, and main solenoid valve is closed, and bypass magnetic valve is opened; The heat pipe unit oepration at full load be made up of reservoir, fluorine pump, indoor evaporator, heat pipe magnetic valve, heat pipe condenser and Intermediate Heat Exchanger second channel; The refrigeration unit be made up of compressor, refrigerant condenser, bypass magnetic valve, first throttle mechanism and Intermediate Heat Exchanger first passage, runs in right amount according to air conditioner heat load condition, as refrigeration compensation circuit; The exchange capability of heat controlling refrigeration unit Intermediate Heat Exchanger makes the output of the cold of heat pipe unit match with indoor heat load.
Under described heat pipe circulation mode: refrigeration closed electromagnetic valve, heat pipe magnetic valve are opened, main solenoid valve is closed, bypass closed electromagnetic valve, the heat pipe unit be made up of reservoir, fluorine pump, indoor evaporator, heat pipe magnetic valve, heat pipe condenser and Intermediate Heat Exchanger second channel is run, and the flow controlling fluorine pump makes the output of the cold of heat pipe unit match with air conditioner heat load.
Described different mode of operation is set as according to different outdoor environment temperatures:
Arranging kind of refrigeration cycle pattern is: outside air temperature > Ta;
Arranging transition cycles pattern is: Ta≤outside air temperature≤Tb;
Arranging heat pipe circulation mode is: Ta > outside air temperature;
Wherein: Tb > Ta.
Compared with the prior art, the utility model beneficial effect is embodied in:
1, the utility model adopts clean reproducible natural energy resources solar energy as one of unit energy supply energy, adopt electrical network electric energy and photovoltaic electric energy Dual-energy source to be the outdoor unit energy supply of air conditioner in machine room, and two kinds of energy can be automatically complementary.To machine room outdoor space, as roof, new mode has been made in making full use of of the spaces such as body of wall, for the air conditioner in machine room being in middle part and southern areas brings new energy saving direction and approach, calls do the actual contribution made new advances for response energy-saving and emission-reduction.
2, outdoor unit power supply device is carried out Automated condtrol by the utility model, and to current outdoor unit operation pattern, photovoltaic electric energy generated energy and the defeated in/out amount of electrical network electric energy control management and control automatically.
3, the utility model Integrated predict model compression-type refrigeration and power type separate heat pipe Refrigeration Technique, carry out operating mode according to indoor/outdoor temperature-difference and indoor heat load situation to switch and refrigerating capacity adjustment, set up transitional operation pattern, widen the operation warm area of heat pipe circulation, solve indoor/outdoor temperature-difference less time heat pipe circularly cooling quantity not sufficient and the problem of compression-type refrigeration mode of operation must be run, be convenient to the outdoor natural cooling source of maximum using, realize the low cost movement of air-conditioner set and energy-conservation.
4, the utility model adopts two kinds of identical working medium to be indoor heat exchanger circulation cooling, utilize phase-change heat-exchange mode heat transfer efficiency high, heat exchanger structure is compact, avoid employing gas-gas or air-water heat exchanger heat transfer efficiency low, the problem that heat exchanger area is huge, be beneficial to and ensure air quality in machine room, avoid the intrusion such as dust, moisture.
5, the utility model uses different working medium to circulate cooling for indoor heat exchanger for different working modes, reduces secondary heat exchange inefficiency problem, utilizes high-pressure shunting mode to obtain solution in scope to a certain extent for the problem that unit many ends separatory is uneven.All adopt fluorine pump to force to drive the large problem of circulating refrigerant charging amount to be eased for different working modes simultaneously.
6, the utility model can for problems such as the North and South weather conditions difference and costs, as more weak at the strong and outdoor natural cooling source of southern luminous energy, it is long for period that unit is in vapor compression refrigeration, and heat pipe pattern is short for period, utilizes photovoltaic electric energy compensation network electric energy to realize significantly energy-saving and emission-reduction; For the north that outdoor cold source is strong, it is long for cyclostage that unit is in heat pipe, and energy consumption is low, realizes energy-conservation.
Accompanying drawing explanation
Fig. 1 is the utility model systematic schematic diagram;
Number in the figure: 1 compressor, 2 refrigerant condensers, 3a first throttle mechanism, 3b second throttle body, 4 refrigeration magnetic valve, 5 indoor evaporator, 6 heat pipe magnetic valves, 7 heat pipe condensers, 8a Intermediate Heat Exchanger first passage, 8b Intermediate Heat Exchanger second channel, 9 reservoirs, 10 fluorine pumps, a bypass magnetic valve, b main road magnetic valve, A outdoor module, B indoor module.
Detailed description of the invention
In the present embodiment, machine room photovoltaic drives heat pipe combined type air conditioner in machine room unit, and its energy supplying system is powered by photovoltaic electric energy and electrical network electricity mutual complementation, and its cold source system is made up of heat pipe module and steam compression type refrigeration module compound.
As shown in Figure 1, in the present embodiment, air conditioner in machine room unit realizes Dual-energy source with photovoltaic electric energy and electrical network electric energy with the form of complementation to power, and it comprises module solar battery array, joining unit, Bidirectional variable-flow complementary mold block system, energy management unit, outside air-conditioner set control unit.The direct current energy that solar energy produces is directly incorporated on electrical network electric energy main line through joining unit, realizes photovoltaic electric energy and electrical network electric energy is automatically complementary under the effect of Bidirectional variable-flow complementary mold block system.Energy management unit can to current outdoor unit operation pattern, and photovoltaic electric energy generated energy and electrical network electric energy defeated in/out amount carry out automatic management and control.Electrical network electric energy is directly proceeded to when solar energy produces electric energy unnecessary electric energy except supply air-conditioner set, when solar energy produces electric energy deficiency, it is not enough that electrical network electric energy exports power compensation solar energy automatically, energy management unit can detect that mode of operation residing for outdoor unit, unit electrical energy demands, solar energy produce electric energy automatically simultaneously, and control the defeated entry/exit electric energy of electrical network electric energy, make enough electric energy inputs be input to outside air-conditioner set control unit through DC/AC conversion again, realize air-conditioner set input Automated condtrol.
When unit is used in the sufficient area of luminous energy, Dual-energy source is powered and is had following four kinds of mode of operations:
When photovoltaic electric energy is greater than electric energy needed for air conditioner in machine room unit, unnecessary photovoltaic electric energy proceeds to electrical network;
When photovoltaic electric energy equals electric energy needed for air conditioner in machine room unit, air conditioner in machine room unit is to zero energy consumption of electric NetTone Communicator;
When photovoltaic electric energy is less than electric energy needed for air conditioner in machine room unit, electric energy needed for electrical network power compensation air conditioner in machine room unit;
When the output of photovoltaic electric energy is zero, by electrical network electric energy directly for air-conditioner set is powered.
The utility model can for problems such as the North and South weather conditions difference and costs, as more weak at the strong and outdoor natural cooling source of southern luminous energy, it is long for period that unit is in vapor compression refrigeration, and heat pipe pattern is short for period, utilizes photovoltaic electric energy compensation network electric energy to realize significantly energy-saving and emission-reduction; For the north that outdoor cold source is strong, it is long for cyclostage that unit is in heat pipe, and energy consumption is low, realizes energy-conservation.In embodiment, photovoltaic drives heat pipe combined type air conditioner in machine room unit can consider whether use photovoltaic energy for the problem of the North and South weather conditions and cost of investment, and applicability is strong.
In the present embodiment shown in Fig. 1, indoor module B is made up of indoor evaporator 5 and second throttle body 3b, and other each parts form outdoor module A.Refrigeration unit comprises frequency-changeable compressor 1 and is connected to the refrigerant condenser 2 of compressor 1 exhaust outlet side, export at refrigerant condenser 2, one tunnel is successively through bypass magnetic valve a, first throttle mechanism 3a and Intermediate Heat Exchanger first passage 8a, another road through main road magnetic valve b, second throttle body 3b, indoor evaporator 5 and refrigeration magnetic valve 4, forms double circulation loop successively.Refrigeration unit can form compressor bank by multiple stage refrigeration compressor, by controlling the operation number of units of compressor and the running frequency of compressor, regulates flow and the refrigeratory capacity of refrigeration working medium.
Heat pipe unit forms heat-pipe working medium closed circuit by the indoor evaporator 5 set gradually, heat pipe magnetic valve 6, heat pipe condenser 7, Intermediate Heat Exchanger second channel 8b, reservoir 9 and fluorine pump 10;
In concrete enforcement, Intermediate Heat Exchanger is bushing type or plate type heat exchanger, and refrigeration unit and heat pipe unit use same cold-producing medium.
Use different working modes according to varying environment in force, and regulate the opening and closing of each valve according to different working modes.
In the present embodiment, wide ring temperate zone is decomposed into refrigeration area, each functional areas of transition region and heat pipe district, in air-conditioner set, the control mode of cold source system is for different functional areas, under corresponding switching cold source system operates in the different working modes of kind of refrigeration cycle, transition cycles and heat pipe circulation; Wherein:
For refrigeration mode, refrigeration magnetic valve 4 is opened, and heat pipe magnetic valve 6 cuts out, and main road magnetic valve b opens, and bypass magnetic valve a closes; Form refrigeration work loop by compressor 1, refrigerant condenser 2, main road magnetic valve b, second throttle body 3b, indoor evaporator 5 and refrigeration magnetic valve 4, refrigeration unit is independent of indoor evaporator cooling.
For transition mode: refrigeration magnetic valve 4 cuts out, and heat pipe magnetic valve 6 is opened, and main solenoid valve b closes, and bypass magnetic valve a opens; The heat pipe unit oepration at full load be made up of reservoir 9, fluorine pump 10, indoor evaporator 5, heat pipe magnetic valve 6, heat pipe condenser 7 and Intermediate Heat Exchanger second channel 8b; The refrigeration unit be made up of compressor 1, refrigerant condenser 2, bypass magnetic valve a, first throttle mechanism 3a and Intermediate Heat Exchanger first passage 8a, run in right amount according to air conditioner heat load condition, as refrigeration compensation circuit, the exchange capability of heat controlling refrigeration unit Intermediate Heat Exchanger makes the output of the cold of heat pipe unit match with indoor heat load.
For heat pipe pattern: magnetic valve 4 cuts out refrigeration, heat pipe magnetic valve 6 is opened, main solenoid valve b closes, bypass magnetic valve a closes, the heat pipe unit be made up of reservoir 9, fluorine pump 10, indoor evaporator 5, heat pipe magnetic valve 6, heat pipe condenser 7 and Intermediate Heat Exchanger second channel 8b is run, and the flow controlling fluorine pump 10 makes the output of the cold of heat pipe unit match with air conditioner heat load.
Different mode of operations is set as according to different outdoor environment temperatures:
Arranging kind of refrigeration cycle pattern is: outside air temperature > Ta;
Arranging transition cycles pattern is: Ta≤outside air temperature≤Tb;
Arranging heat pipe circulation mode is: Ta > outside air temperature;
Wherein: Tb > Ta.
For the embody rule of embodiment, 55 DEG C may be reached because outdoor environment temperature is the highest, the evaporating temperature of indoor is higher simultaneously, considers energy saving of system environmental protection and reliability, stability, can select R134a, R152a, mixed working fluid or natural medium that circulating pressure is lower.
For the air-conditioning object of different instructions for use, the planning of each functional areas in wide ring warm area can adjust accordingly.
The utility model is used for the air-conditioning object such as machine room, base station that indoor design temperature is 27 DEG C, heat pipe circulating working mode is run when outside air temperature≤8 DEG C, the cold of outdoor Cryogenic air can be utilized completely to meet the refrigeration demand of air-conditioning object, realize the low-carbon (LC) operation of air-conditioning system and the high-quality of room air.
The utility model is used for 27 DEG C of machine rooms in the sufficient area of southern luminous energy, when unit is in vapor compression refrigeration, utilizes the solar battery array of corresponding size to produce the alternative electrical network electric energy input of electric energy, accomplishes that unit zero electric energy runs.
Claims (4)
1. photovoltaic drives a heat pipe combined type air conditioner in machine room unit, it is characterized in that:
Described air conditioner in machine room unit realizes Dual-energy source with photovoltaic electric energy and electrical network electric energy with the form of complementation to power;
The outdoor unit of described air conditioner in machine room is made up of heat pipe unit and refrigeration unit compound;
Described heat pipe unit forms heat-pipe working medium closed circuit by the indoor evaporator set gradually (5), heat pipe magnetic valve (6), heat pipe condenser (7), Intermediate Heat Exchanger second channel (8b), reservoir (9) and fluorine pump (10);
Described refrigeration unit comprises frequency-changeable compressor (1) and is connected to the refrigerant condenser (2) of compressor (1) exhaust outlet side, export at described refrigerant condenser (2), one tunnel is successively through bypass magnetic valve (a), first throttle mechanism (3a) and Intermediate Heat Exchanger first passage (8a), another road through main road magnetic valve (b), second throttle body (3b), indoor evaporator (5) and refrigeration magnetic valve (4), forms double circulation loop successively.
2. photovoltaic according to claim 1 drives heat pipe combined type air conditioner in machine room unit, it is characterized in that: in described heat pipe unit and refrigeration unit, use same cold-producing medium.
3. photovoltaic according to claim 1 drives heat pipe combined type air conditioner in machine room unit, it is characterized in that: described Intermediate Heat Exchanger (8) is bushing type or plate-type heat-exchange.
4. photovoltaic according to claim 1 drives heat pipe combined type air conditioner in machine room unit, it is characterized in that: described Dual-energy source is powered and had following four kinds of mode of operations:
When photovoltaic electric energy is greater than electric energy needed for air conditioner in machine room unit, unnecessary photovoltaic electric energy proceeds to electrical network;
When photovoltaic electric energy equals electric energy needed for air conditioner in machine room unit, air conditioner in machine room unit is to zero energy consumption of electric NetTone Communicator;
When photovoltaic electric energy is less than electric energy needed for air conditioner in machine room unit, electric energy needed for electrical network power compensation air conditioner in machine room unit;
When the output of photovoltaic electric energy is zero, by electrical network electric energy directly for air-conditioner set is powered.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420659254.XU CN204187766U (en) | 2014-11-05 | 2014-11-05 | A kind of photovoltaic drives heat pipe combined type air conditioner in machine room unit |
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| CN201420659254.XU CN204187766U (en) | 2014-11-05 | 2014-11-05 | A kind of photovoltaic drives heat pipe combined type air conditioner in machine room unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329758A (en) * | 2014-11-05 | 2015-02-04 | 中国扬子集团滁州扬子空调器有限公司 | Photovoltaic-drive heat pipe combined machine room air conditioning unit |
| CN107345717A (en) * | 2016-06-13 | 2017-11-14 | 北京库蓝科技有限公司 | One kind compression and fluorine pump circulation refrigeration system |
-
2014
- 2014-11-05 CN CN201420659254.XU patent/CN204187766U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329758A (en) * | 2014-11-05 | 2015-02-04 | 中国扬子集团滁州扬子空调器有限公司 | Photovoltaic-drive heat pipe combined machine room air conditioning unit |
| CN107345717A (en) * | 2016-06-13 | 2017-11-14 | 北京库蓝科技有限公司 | One kind compression and fluorine pump circulation refrigeration system |
| CN107345717B (en) * | 2016-06-13 | 2023-10-27 | 北京库蓝科技有限公司 | Compression and fluorine pump circulation refrigerating system |
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