CN206973923U - A kind of heating and refrigeration all-in-one - Google Patents

A kind of heating and refrigeration all-in-one Download PDF

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Publication number
CN206973923U
CN206973923U CN201621064249.XU CN201621064249U CN206973923U CN 206973923 U CN206973923 U CN 206973923U CN 201621064249 U CN201621064249 U CN 201621064249U CN 206973923 U CN206973923 U CN 206973923U
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water
valve
heating
check valve
heat exchanger
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刘高华
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GUANGZHOU CHUNGUANG NEW ENERGY TECHNOLOGY DEVELOPMENT Co Ltd
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GUANGZHOU CHUNGUANG NEW ENERGY TECHNOLOGY DEVELOPMENT Co Ltd
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Abstract

The utility model provides a kind of heating and refrigeration all-in-one, and it includes main frame and the air-conditioning water circuit system being connected with the main frame, floor heating water circuit system;Utilize compressor, four-way reversing valve, First Heat Exchanger, second heat exchanger, first check valve, second check valve, 3rd check valve, 4th check valve, gas-liquid separator, filter, reservoir, the annexation of expansion valve etc. carrys out the flow direction of coolant media in control loop, the coolant media of difference flow direction carries out heat exchange by the aqueous medium in First Heat Exchanger and lower chamber and generates cold water and hot water, pass through the setting of circuit interlock between controller of fan and floor heating controller simultaneously, cold water is set individually to be circulated in air-conditioning water circuit system, realize cooling in summer, hot water is set individually to be circulated in floor heating water route, realize heat supply in winter.

Description

A kind of heating and refrigeration all-in-one
Technical field
It the utility model is related to air conditioner technical field, more particularly to a kind of heating and refrigeration all-in-one.
Background technology
With the fast development of heat pump industry, heat pump is also no longer limited to Teat pump boiler, with reference to heating, ground heating system end The product at end starts to move towards market.Heating is compared with floor heating:From the point of view of radiating mode, floor heating belongs to heat loss through radiation floor heating heating Slowly, radiate also slow, the time that temperature is kept is long, is adapted to the user for having child and old man in family;And heating is radiation Add the radiating mode of convection current, than very fast, radiating is typically opened and closed, therefore be suitable for daytime also than very fast for fin heating Family often nobody user, or the room of spending a holiday for special reception friend.From the point of view of Energy Angle, heating supply water temperature Higher (75-85 DEG C), this requires heat pump to work without interruption, and the electric energy consumed is larger;And water temperature is relatively low needed for floor heating (45-55 DEG C), such words heat pump consumption power is relatively low, therefore relative energy-saving.From the point of view of comfort level, what backing gave out Temperature is up run first, is then slowly pressed down, and what such words human body was felt at first is the warm of waist, then just slowly Step is transferred to, this does not meet the Traditional Chinese health theory of " a cold pin warms up ";And water floor heating on the contrary, its heat to lower and On, therefore it is more comfortable, beneficial to health.From the point of view of longevity, the life-span of radiator is 15-20, but also to be seen The water quality of heating system, if water quality is bad, it is also possible to be 5 years;And the life-span of floor heating is 50 years, so long as not artificial Destruction, ground heating system is with building same life-span.
The content of the invention
Technical problem to be solved in the utility model is, there is provided a kind of heating and refrigeration all-in-one, its conjunction simple in construction Reason, switched by the flow direction of main frame coolant media, and the switching of fan coil and grounding heat coil tube, unit is realized summer system Cold, heat supply in winter function.
In order to solve the above-mentioned technical problem, the utility model provides a kind of heating and refrigeration all-in-one, including main frame and with Air-conditioning water circuit system that the main frame is connected, floor heating water circuit system;Wherein, the casing internal of the main frame is provided with division board simultaneously It is tightly connected with the division board, forms upper cavity and lower chamber;First Heat Exchanger, the epicoele are provided with the lower chamber It is provided with compressor, four-way reversing valve, the second heat exchanger, the first check valve, the second check valve, the 3rd check valve, the 4th in vivo Check valve, filter, gas-liquid separator, reservoir and expansion valve;
The exhaust outlet of the compressor is connected by pipeline with the D interface of four-way reversing valve, the gas returning port of the compressor It is sequentially connected by the S interfaces of pipeline and gas-liquid separator, the four-way reversing valve;The E interface of the four-way reversing valve and One heat exchanger, the first check valve, reservoir, filter, expansion valve, the second check valve, the second heat exchanger, the C of four-way reversing valve Interface is sequentially connected in series to form heating loop by pipeline, meanwhile, the C interface of the four-way reversing valve, the second heat exchanger, the 3rd list Gone here and there successively by pipeline to the E interface of valve, filter, expansion valve, the 4th check valve, First Heat Exchanger, the four-way reversing valve Connection forms refrigerating circuit;
The casing of the main frame is provided with outlet conduit and water return pipeline with being connected inside the lower chamber;The air-conditioning Water circuit system includes the first water knockout drum, the first water collector and at least one fan coil, and the fan coil passes through water pipe respectively It is connected in parallel between first water knockout drum and the first water collector, the water inlet end of first water knockout drum passes through the first water inlet pipe It is connected with the outlet conduit, the water side of first water collector is connected by the first outlet pipe with the water return pipeline;Institute Stating floor heating water circuit system includes the second water knockout drum, the second water collector and at least one grounding heat coil tube, and the grounding heat coil tube leads to respectively Water pipe is crossed to be connected in parallel between second water knockout drum and the second water collector;The water inlet end of second water knockout drum passes through second Water inlet pipe is connected with the outlet conduit, and the water side of second water collector passes through the second outlet pipe and the water return pipeline phase Even;Water pump is provided with the water return pipeline;
The first two-port valve is provided with first water inlet pipe;The second two-port valve is provided with second water inlet pipe;Institute Stating air-conditioning water circuit system also includes a wind disk controller, and the wind disk controller is used to control the main frame start and stop, the water pump Start and stop and first two-port valve opening and closing;The floor heating water circuit system also includes a floor heating controller, and the floor heating controller is used It is opened and closed in controlling the main frame start and stop, the water pump start and stop and second two-port valve;The wind disk controller and the floor heating Controller is connected on same interlock circuit.
As the preferable technical scheme of the utility model, the 5th check valve is provided with first outlet pipe;Described The 6th check valve is provided with two outlet pipes.
As the preferable technical scheme of the utility model, the water tank is circumscribed with moisturizing branch road, is set on the moisturizing branch road It is equipped with the first stop valve and the 7th check valve.
As the preferable technical scheme of the utility model, the second stop valve is additionally provided with the water return pipeline.
As the preferable technical scheme of the utility model, the First Heat Exchanger is double-tube heat exchanger.
As the preferable technical scheme of the utility model, second heat exchanger is finned heat exchanger.
As the preferable technical scheme of the utility model, the expansion valve is heating power expansion valve.
Implement the embodiment of the present invention, have the advantages that:
Implement a kind of heating and refrigeration all-in-one of the present utility model, compared with prior art, have the advantages that:
(1) refrigerant that the utility model is flowed to using four-way reversing valve come the flow direction of coolant media in control loop, difference Medium carries out heat exchange by the aqueous medium in First Heat Exchanger and lower chamber and generates cold water and hot water, and passes through controller of fan The setting of circuit interlock between floor heating controller, makes cold water individually be circulated in air-conditioning water circuit system, realizes summer system It is cold, hot water is individually circulated in floor heating water circuit system, realize heat supply in winter;And due to air-conditioning water circuit system and floor heating Water circuit system is to realize refrigeration and heating by the aqueous medium in lower chamber, and the comfort level of aqueous medium is preferable, and temperature stabilization is uniform;
(2) because the two-port valve in air-conditioning water circuit system and floor heating water circuit system is separately positioned on the main road of respective system On, the fan coil and grounding heat coil tube of multiple reasonable Arrangements can be controlled simultaneously, during applied to the same interior space, can be realized Comprehensive refrigeration and heating, suitable for the big indoor environment in space;
(3) the utility model is used main frame and the integrated structural device of water tank (i.e. lower chamber) overall package, volume It is compact and smaller, outdoor or indoor, using flexible and conveniently can be freely placed at according to the needs of user.Particularly in family Finishing laying floor heating module is carried out in the engineering of heating, and the one-block apparatus is movable to interior and properly placed, and reduces pipeline Laying amount, the decoration efficiency of engineering is improved, there is beneficial effect compact-sized, flexible and convenient to use.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, the accompanying drawing of embodiment will be made below simple Ground introduction.
Fig. 1 is the system schematic of the main frame of heating and refrigeration all-in-one provided by the utility model;
Fig. 2 is the structural representation of the water circuit system of heating and refrigeration all-in-one provided by the utility model, and there is shown with sky Adjust water circuit system and floor heating water circuit system.
Embodiment
Specific embodiment of the present utility model is further described below in conjunction with the accompanying drawings.
With reference to shown in referring to Fig. 1, Fig. 2, an embodiment of the present utility model, a kind of heating and refrigeration all-in-one, including main frame 100 and the air-conditioning water circuit system 200, the floor heating water circuit system 300 that are connected with the main frame 100.
Wherein, the casing internal of the main frame 100 is provided with division board and is tightly connected with the division board, forms upper cavity 101 and lower chamber 102;First Heat Exchanger 103 is provided with the lower chamber 102, compressor is provided with the upper cavity 101 104th, four-way reversing valve 105, the second heat exchanger 106, the first check valve 107, the second check valve 108, the 3rd check valve 109, Four check valves 110, filter 111, gas-liquid separator 112, reservoir 113 and expansion valve 114;The exhaust of the compressor 104 Mouth 115 is connected by pipeline with the D interface of four-way reversing valve 105, and the gas returning port 116 of the compressor 104 passes through pipeline and gas Liquid/gas separator 112, the S interfaces of the four-way reversing valve 105 are sequentially connected;The E interface of the four-way reversing valve 105 changes with first Hot device 103, the first check valve 107, reservoir 113, filter 111, expansion valve 114, the second check valve 108, the second heat exchanger 106th, the C interface of four-way reversing valve 105 is sequentially connected in series to form heating loop by pipeline, meanwhile, the four-way reversing valve 105 C interface, the second heat exchanger 106, the 3rd check valve 109, filter 111, expansion valve 114, the heat exchange of the 4th check valve 110, first Device 103, the E interface of the four-way reversing valve 105 are sequentially connected in series to form refrigerating circuit by pipeline;The casing of the main frame 100 It is provided with the outlet conduit 117 and water return pipeline 118 connected with the inside of lower chamber 102;The He of air-conditioning water circuit system 200 Floor heating water circuit system 300 is connected in parallel between the outlet conduit 117 and water return pipeline 118, by water return pipeline 118 Water pump 119, make the heat exchange of progress cycle alternation between the refrigerant in the water and First Heat Exchanger 103 in water circuit system.
Further, First Heat Exchanger 103 is preferably double-tube heat exchanger, and it is provided with coolant media passage, coolant media It can be flowed in coolant media passage, its cold energy or heat energy are delivered to the aqueous medium in lower chamber 102, to reach the effect of heat exchange Fruit;Second heat exchanger 106 is preferably finned heat exchanger, and the blower fan supporting with it can promote finned heat exchanger and outside air Carry out heat exchange;Described expansion valve 114 is preferably heating power expansion valve 114, and the temperature-sensitive bag supporting with it is arranged on the four-way The pipe surface that reversal valve 105 is connected with gas-liquid separator 112, so that by temperature-sensitive bag to the segment pipe coolant media temperature Detect, in real time the flow of control expansion valve 114, the temperature and pressure of coolant media in balance system loop.
When main frame 100 works, refrigerant, by inputting a small amount of electric energy, drives compressor as medium, air as thermal source 104 operations, when its operation program is heats, the second heat exchanger 106 is used as evaporator, and First Heat Exchanger 103 is used as condenser, cold Matchmaker transmits heat, water temperature liter by being used as the First Heat Exchanger 103 of condenser to surrounding environment (aqueous medium in lower chamber 102) Height, hot water enters floor heating water circuit system 300, so as to realize heating function;During refrigeration, First Heat Exchanger 103 is used as evaporator, the Two heat exchangers 106 are used as condenser, and refrigerant is by being used as the First Heat Exchanger 103 of evaporator from surrounding environment (in lower chamber 102 Aqueous medium) in absorb heat, water temperature reduce, cold water enters air-conditioning water circuit system 200, so as to realize refrigerating function.
Specifically, the air-conditioning water circuit system 200 includes the first water knockout drum 201, the first water collector 202 and at least one wind Machine coil pipe 203, the fan coil 203 are connected in the water collector of the first water knockout drum 201 and first in parallel by water pipe respectively Between 202, the water inlet end of first water knockout drum 201 is connected by the first water inlet pipe 204 with the outlet conduit 117, described The water side of first water collector 202 is connected by the first outlet pipe 205 with the water return pipeline 118;The floor heating water circuit system 300 include the second water knockout drum 301, the second water collector 302 and at least one grounding heat coil tube 303, and the grounding heat coil tube 303 leads to respectively Water pipe is crossed to be connected in parallel between the water collector 302 of the second water knockout drum 301 and second;The water inlet of second water knockout drum 301 End is connected by the second water inlet pipe 304 with the outlet conduit 117, and the water side of second water collector 302 goes out by second Water pipe 305 is connected with the water return pipeline 118.
First two-port valve 206 is set on first water inlet pipe 204, i.e., set on the main road of air-conditioning water circuit system 200 First two-port valve 206, multiple fan coils 203 can control simultaneously, and due to consideration that using single fan unit Cold air is difficult to be blown into distant region during pipe 203, and regional area forms the larger temperature difference, influences refrigeration, therefore The multiple positions of fan coil 203 of rational deployment in the same interior space, in order to comprehensive refrigeration;Second water inlet pipe The second two-port valve 306 is provided with 304, i.e., the second two-port valve 306 is set on the main road of floor heating water circuit system 300, can be right Multiple grounding heat coil tubes 303 control simultaneously, and due to consideration that long because coiling using pipeline during single grounding heat coil tube 303 And cause the regional area temperature difference big, heating effect is influenceed, therefore comprehensively equably laid multiplely in same indoor earth's surface Warming plate pipe 303, in order to comprehensive heating.It can be seen that the utility model is applicable to the big indoor environment in space.
The air-conditioning water circuit system 200 also includes a wind disk controller 207, and the wind disk controller 207 is used to control institute The start and stop of main frame 100, the start and stop of the water pump 119 and first two-port valve 206 is stated to be opened and closed;The floor heating water circuit system 300 also wraps Include a floor heating controller 307, the floor heating controller 307 be used to controlling the start and stop of main frame 100, the start and stop of the water pump 119 and Second two-port valve 306 is opened and closed;The wind disk controller 207 is connected to same interlock circuit with the floor heating controller 307 On.When wind disk controller 207 is powered, main frame 100 is opened, and water pump 119 opens, and the first two-port valve 206 is opened, air-conditioning water circuit system 200 Bring into operation, at the same time, floor heating controller 307 powers off, and the second two-port valve 306 closes, and floor heating water circuit system 300 is out of service; On the contrary, when circuit is switched to floor heating controller 307 and is powered, main frame 100 is opened, and water pump 119 opens, and the second two-port valve 306 is opened, ground Warm water circuit system 300 brings into operation, and at the same time, air-conditioner controller power-off, the first two-port valve 206 closes, air-conditioning water circuit system 200 It is out of service.
More preferably, the 5th check valve 208 is provided with first outlet pipe 205, to avoid in air-conditioning water circuit system 200 Cold-water reflux and influence water pump 119 and run;The 6th check valve 308 is provided with second outlet pipe 305, to avoid floor heating water Hot water return in road system 300 and influence water pump 119 and run.
Because water is during cycle heat exchange, water will be lacked gradually by evaporation, therefore, in order to ensure system can continue Stably run, it is also necessary to the external moisturizing branch road with being connected inside the lower chamber 102 on the casing of the main frame 100 120, the first stop valve 121 and the 7th check valve 122 are provided with the moisturizing branch road 120.So, air-conditioning (or floor heating) water route System realizes automatic water supplement function by moisturizing branch road 120.
More preferably, the second stop valve 123 is additionally provided with the water return pipeline 118, when needing to main frame 100 or water pump 119 when being repaired, and is blocked water circuit system by closing the second stop valve 123, is prevented water from flowing out, in order to repair.
During cooling in summer mode operation, compressor 104 through exhaust outlet 115 discharges HTHP after coolant media is compressed Gaseous coolant, the coolant media enter the (fin of the second heat exchanger 106 as condenser by the E interface of four-way reversing valve 105 Heat exchanger) heat release cooling is carried out, the liquid refrigerants of HTHP is obtained after condensation, then passes through the 3rd check valve 109, reservoir 113rd, filter 111 flows into heating power expansion valve 114 and carries out expenditure and pressure, and temperature further reduces, and obtains the gas-liquid of low-temp low-pressure Refrigerant is mixed, is flowed into after through the 4th check valve 110 as being steamed in the First Heat Exchanger 103 (double-tube heat exchanger) of evaporator Hair heat absorption, at this moment coolant media temperature is significantly less than the aqueous medium temperature in lower chamber 102, and amount of heat is absorbed from water, cold Medium becomes gaseous state again and heat cooled via return air mouth 116 is recovered in compressor 104, carries out next circulation, and aqueous medium temperature Degree is reduced, and cold water is delivered in air-conditioning water circuit system 200 by water pump 119, when cold water flows through indoor fan coil pipe 203, Its surrounding air will be formed cold air by cooling, and blow it is sent to the room, so as to reach refrigeration.
During heat supply in winter mode operation, compressor 104 through exhaust outlet 115 excludes HTHP after coolant media is compressed Gaseous coolant, the coolant media flow into the (sleeve pipe of First Heat Exchanger 103 as condenser by the C interface of four-way reversing valve 105 Heat exchanger) heat release cooling is carried out, obtain the liquid refrigerants of HTHP after coolant media condensation, and aqueous medium in lower chamber 102 Amount of heat is absorbed from coolant media, water is heated up, and by water pump 119 by delivery to floor heating water circuit system In 300, when hot water flows through indoor ground-heating coil pipe 303, radiant heat is discharged to earth's surface, so as to reach heating effect.It is condensed Liquid refrigerants flows into heating power expansion valve 114 by the first check valve 107, reservoir 113, filter 111 and carries out expenditure and pressure, temperature Degree is further reduced, and obtains the gas-liquid mixed refrigerant of low-temp low-pressure, and the as evaporator is flowed into through the second check valve 108 after Heat absorption is evaporated in two heat exchangers 106 (finned heat exchanger), at this moment coolant media temperature is significantly less than the temperature in air, can Amount of heat is absorbed from air, coolant media becomes gaseous state again and heat cooled via return air mouth 116 is recovered in compressor 104, enters The next circulation of row.
In summary, a kind of heating and refrigeration all-in-one of the present utility model is implemented, compared with prior art, have has as follows Beneficial effect:
(1) the utility model is flowed to cold using four-way reversing valve 105 come the flow direction of coolant media in control loop, difference Medium carries out heat exchange by the aqueous medium in First Heat Exchanger 103 and lower chamber 102 and generates cold water and hot water, and passes through wind The setting of circuit interlock between machine controller and floor heating controller 307, make the cold water individually recycle stream in air-conditioning water circuit system 200 It is dynamic, cooling in summer is realized, hot water is individually circulated in floor heating water circuit system 300, realizes heat supply in winter;And due to sky It is to realize refrigeration and heating, aqueous medium by the aqueous medium in lower chamber 102 to adjust water circuit system 200 and floor heating water circuit system 300 Comfort level it is preferable, temperature stabilization is uniform;
(2) because the two-port valve in air-conditioning water circuit system 200 and floor heating water circuit system 300 is separately positioned on respective system On main road, the fan coil 203 and grounding heat coil tube 303 of multiple reasonable Arrangements can be controlled simultaneously, applied to the same interior space When, comprehensive refrigeration and heating can be realized, suitable for the big indoor environment in space;
(3) the utility model uses and sets main frame 100 and the integrated structure of water tank (i.e. lower chamber 102) overall package It is standby, volume compact and smaller, outdoor or indoor, using flexible and conveniently can be freely placed at according to the needs of user.Especially It is in house decoration laying floor heating module carries out the engineering of heating, the one-block apparatus is movable to indoor suitable placement, subtracts The laying amount in education and correction for juvenile offenders road, the decoration efficiency of engineering is improved, there is beneficial effect compact-sized, flexible and convenient to use.
Above disclosed is only preferred embodiment of the present utility model, certainly can not be new to limit this practicality with this The interest field of type, therefore the equivalent variations made according to present utility model application the scope of the claims, still belong to the utility model and covered Scope.

Claims (7)

1. a kind of heating and refrigeration all-in-one, including main frame and be connected with the main frame air-conditioning water circuit system, floor heating water route system System;It is characterized in that:
The casing internal of the main frame is provided with division board and is tightly connected with the division board, forms upper cavity and lower chamber;Institute State and First Heat Exchanger is provided with lower chamber, compressor, four-way reversing valve, the second heat exchanger, are provided with the upper cavity One check valve, the second check valve, the 3rd check valve, the 4th check valve, filter, gas-liquid separator, reservoir and expansion valve;
The exhaust outlet of the compressor is connected by pipeline with the D interface of four-way reversing valve, and the gas returning port of the compressor passes through The S interfaces of pipeline and gas-liquid separator, the four-way reversing valve are sequentially connected;The E interface of the four-way reversing valve changes with first Hot device, the first check valve, reservoir, filter, expansion valve, the second check valve, the second heat exchanger, the C interface of four-way reversing valve It is sequentially connected in series to form heating loop by pipeline, meanwhile, it is the C interface of the four-way reversing valve, the second heat exchanger, the 3rd unidirectional Valve, filter, expansion valve, the 4th check valve, First Heat Exchanger, the E interface of the four-way reversing valve are sequentially connected in series by pipeline Form refrigerating circuit;
The casing of the main frame is provided with outlet conduit and water return pipeline with being connected inside the lower chamber;The air-conditioning water route System includes the first water knockout drum, the first water collector and at least one fan coil, and the fan coil is in parallel by water pipe respectively It is connected between first water knockout drum and the first water collector, the water inlet end of first water knockout drum passes through the first water inlet pipe and institute State outlet conduit to be connected, the water side of first water collector is connected by the first outlet pipe with the water return pipeline;Describedly Warm water circuit system includes the second water knockout drum, the second water collector and at least one grounding heat coil tube, and the grounding heat coil tube passes through water respectively Pipe is connected in parallel between second water knockout drum and the second water collector;The water inlet end of second water knockout drum passes through the second water inlet Pipe is connected with the outlet conduit, and the water side of second water collector is connected by the second outlet pipe with the water return pipeline; Water pump is provided with the water return pipeline;
The first two-port valve is provided with first water inlet pipe;The second two-port valve is provided with second water inlet pipe;The sky Water circuit system is adjusted also to include a wind disk controller, the wind disk controller is used to control the main frame start and stop, the water pump start and stop It is opened and closed with first two-port valve;The floor heating water circuit system also includes a floor heating controller, and the floor heating controller is used to control Make the main frame start and stop, the water pump start and stop and second two-port valve opening and closing;The wind disk controller controls with the floor heating Device is connected on same interlock circuit.
2. heating and refrigeration all-in-one according to claim 1, it is characterised in that:The 5th is provided with first outlet pipe Check valve;The 6th check valve is provided with second outlet pipe.
3. heating and refrigeration all-in-one according to claim 1, it is characterised in that:It is circumscribed with the casing of the main frame and institute The moisturizing branch road of connection inside lower chamber is stated, the first stop valve and the 7th check valve are provided with the moisturizing branch road.
4. heating and refrigeration all-in-one according to claim 1, it is characterised in that:Second is additionally provided with the water return pipeline Stop valve.
5. heating and refrigeration all-in-one according to claim 1, it is characterised in that:The First Heat Exchanger is sleeve heat exchange Device.
6. heating and refrigeration all-in-one according to claim 1, it is characterised in that:Second heat exchanger exchanges heat for fin Device.
7. heating and refrigeration all-in-one according to claim 1, it is characterised in that:The expansion valve is heating power expansion valve.
CN201621064249.XU 2016-09-19 2016-09-19 A kind of heating and refrigeration all-in-one Active CN206973923U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621064249.XU CN206973923U (en) 2016-09-19 2016-09-19 A kind of heating and refrigeration all-in-one

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621064249.XU CN206973923U (en) 2016-09-19 2016-09-19 A kind of heating and refrigeration all-in-one

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109489153A (en) * 2018-10-11 2019-03-19 珠海格力电器股份有限公司 A kind of heating method for sharing and system
CN109579186A (en) * 2018-12-10 2019-04-05 广东志高暖通设备股份有限公司 A kind of multi-line system with hydraulic module
CN111706907A (en) * 2020-06-24 2020-09-25 郑州铁路职业技术学院 Solar heating and refrigeration air conditioner combined supply device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109489153A (en) * 2018-10-11 2019-03-19 珠海格力电器股份有限公司 A kind of heating method for sharing and system
CN109489153B (en) * 2018-10-11 2020-05-22 珠海格力电器股份有限公司 Heating sharing method and system
CN109579186A (en) * 2018-12-10 2019-04-05 广东志高暖通设备股份有限公司 A kind of multi-line system with hydraulic module
CN111706907A (en) * 2020-06-24 2020-09-25 郑州铁路职业技术学院 Solar heating and refrigeration air conditioner combined supply device

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