CN203501550U - Integrated air-driven heat pump unit for fan coil - Google Patents

Integrated air-driven heat pump unit for fan coil Download PDF

Info

Publication number
CN203501550U
CN203501550U CN201320469622.XU CN201320469622U CN203501550U CN 203501550 U CN203501550 U CN 203501550U CN 201320469622 U CN201320469622 U CN 201320469622U CN 203501550 U CN203501550 U CN 203501550U
Authority
CN
China
Prior art keywords
heat exchanger
interface
fan coil
heat exchangers
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201320469622.XU
Other languages
Chinese (zh)
Inventor
张时飞
谢晓城
楼永光
王操
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Chuangneng New Energy Co ltd
Original Assignee
ZHEJIANG CEN NEW ENERGY TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHEJIANG CEN NEW ENERGY TECHNOLOGY Co Ltd filed Critical ZHEJIANG CEN NEW ENERGY TECHNOLOGY Co Ltd
Priority to CN201320469622.XU priority Critical patent/CN203501550U/en
Application granted granted Critical
Publication of CN203501550U publication Critical patent/CN203501550U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The utility model relates to an integrated air-driven heat pump unit for a fan coil. The integrated air-driven heat pump unit comprises an enthalpy-increasing press, a four-way valve, a No. 1 heat exchanger, a No. 2 heat exchanger, a gas-liquid separator, a cold medium heater, a reservoir, a water pump and the fan coil, wherein the enthalpy-increasing press, the No. 1 heat exchanger, the No. 2 heat exchanger and the cold medium heater are connected with the four-way valve; the cold medium heater is connected with the gas-liquid separator; the gas-liquid separator is connected with the enthalpy-increasing press; the reservoir is connected with the No. 1 heat exchanger and the No. 2 heat exchanger respectively; one end of the water pump is connected with the fan coil; the other end of the fan coil is connected with the No. 2 heat exchanger; the water pump is connected with the No. 2 heat exchanger. The integrated air-driven heat pump unit has the advantages of reasonable structural design, multiple functions, convenience in operation and capability of effectively controlling the refrigeration and heating of the fan coil in order to adjust the indoor temperature.

Description

A kind of integration air energy source pump for fan coil
Technical field
The utility model relates to a kind of integration air energy source pump for fan coil, mainly by fan coil, to indoor, freezed and heats.
Background technology
Heat pump techniques often applies to the fields such as air-conditioning, Teat pump boiler, the heat pump that market is common, and function is relatively single, only has water heating function as Teat pump boiler, and air-conditioning generally only has refrigeration, heat-production functions; The general water tank of common heat pump, water pump and main frame be not at same casing.In existingization life, people's heat-pump apparatus requires more and more higher, not only needs function many, also needs volume small and exquisite, easy for installation, simple to operate.The source pump that general function is single cannot meet the demand of modern house.
Utility model content
Technical problem to be solved in the utility model is to overcome existing above-mentioned deficiency in prior art, and provide a kind of integration air energy source pump for fan coil of reasonable in design, integration air energy source pump function is many, volume is little, and wherein a kind of function is exactly and to heat for the refrigeration of fan coil.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of integration air energy source pump for fan coil, it is characterized in that: it comprises increasing enthalpy swaging machine, cross valve, a heat exchanger, No. two heat exchangers, gas-liquid separator, refrigerant heater, reservoir, water pump and fan coil, described cross valve is provided with D interface, C interface, S interface and E interface, increasing enthalpy swaging machine is connected with the D interface of cross valve, No. one heat exchanger is connected with the C interface of cross valve, No. two heat exchanger is connected with the E interface of cross valve, the S interface of cross valve is connected with refrigerant heater, refrigerant heater is connected with gas-liquid separator, gas-liquid separator is connected with increasing enthalpy swaging machine, described reservoir is provided with inlet and liquid outlet, and inlet is connected with a heat exchanger, No. two heat exchangers respectively with liquid outlet, between above-mentioned interconnected structure, all by pipeline, connect, form whole cold-producing medium flow process loop.
One end of described water pump is connected with fan coil, and the other end of fan coil is connected with No. two heat exchangers, and water pump is connected with No. two heat exchangers, between water pump, fan coil, No. two heat exchangers, all by pipeline, connects, and forms Water flow-path loop.
On the pipeline of connection reservoir inlet described in the utility model and a heat exchanger, be provided with check valve, on the pipeline of connection reservoir inlet and No. two heat exchangers, be provided with check valve, reservoir inlet can only be communicated with a heat exchanger or No. two heat exchangers; On the pipeline of described connection reservoir liquid outlet and a heat exchanger, be provided with check valve, on the pipeline of connection reservoir liquid outlet and No. two heat exchangers, be provided with check valve, reservoir liquid outlet can only be communicated with a heat exchanger or No. two heat exchangers.
The D interface of cross valve described in the utility model is connected with C interface, and E interface is connected with S interface.
The D interface of cross valve described in the utility model is connected with E interface, and E interface is connected with C interface.
On the pipeline of connection reservoir liquid outlet described in the utility model, be provided with No. four heat exchanger, one end of No. four heat exchangers is connected with liquid outlet, and the other end is connected with check valve after connecting an electric expansion valve.
On the pipeline of connection increasing enthalpy swaging machine described in the utility model and cross valve D interface, be provided with magnetic valve.
The utility model is also provided with air injection enthalpy-increasing loop, air injection enthalpy-increasing loop comprises that described No. four heat exchangers and injection hit magnetic valve, spray electric expansion valve, one end of No. four heat exchangers connects to spray successively to be hit after magnetic valve, injection electric expansion valve, be connected with the liquid outlet of reservoir, the other end of No. four heat exchangers is connected with increasing enthalpy swaging machine.
The operation principle in air injection enthalpy-increasing loop: suck a part from No. four heat exchanger a by increasing the middle pressure suction hole of enthalpy swaging machine 4interface intermediate pressure refrigerant gas out, with the refrigerant mixed recompression through Partial shrinkage, realize with separate unit increasing enthalpy swaging machine and realize two stages of compression, increased the refrigerant flow in condensation process, strengthen the enthalpy difference of main circulation loop, thereby greatly improved the efficiency that increases enthalpy swaging machine.
Air injection enthalpy-increasing is to work in the situation that environment temperature is lower.While moving under low evaporating temperature because increasing enthalpy swaging machine, following problem can occur: 1, inspiratory volume increases, refrigerant circulation reduces, and heating capacity declines; 2, pressure ratio increases, and volumetric efficiency declines, and increases enthalpy swaging machine displacement and efficiency and significantly declines; 3, delivery temperature raises fast, and lubricating oil viscosity is sharply declined, and it is lubricated that impact increases enthalpy swaging machine.When delivery temperature and lubricating oil flash point approach, can make lubricating oil carbonization.Therefore air injection enthalpy-increasing can supplement medium pressure gas in the intermediate cavity that increases enthalpy swaging machine, increases capacity, reduces delivery temperature, promotes heating capacity, makes Teat pump boiler also can provide enough heating capacities at low ambient temperature.
The utility model is also provided with auxiliary thermal source loop, and auxiliary thermal source loop is provided with interconnected defrosting magnetic valve and defrosting capillary, and defrosting capillary refrigerant heater connects, and defrosting magnetic valve is connected with a heat exchanger.
The operation principle in auxiliary thermal source loop: when open in auxiliary thermal source loop, part low-temperature low-pressure refrigerant liquid flow through defrosting magnetic valve, defrosting capillary, to refrigerant heater, in refrigerant heater, absorb heat, be evaporated to low-temperature low-pressure refrigerant gas, arrive again gas-liquid separator, get back to and increase enthalpy swaging machine.When low temperature environment and defrost, increased the refrigerant flow in refrigerant heater, reduce pressure ratio, promote heating capacity, make Teat pump boiler also can provide enough heating capacities when low ambient temperature and defrost, improve cycle efficieny.
In the situation of two kinds once, auxiliary thermal source loop, work: 1, unit operation when lower and ambient humidity is larger in environment temperature, after certain hour, airborne steam can frosting on a heat exchanger, is to reduce the impact of frosting on a heat exchanger evaporation effect, and unit must be removed frost.When 2, environment temperature is too low, cause a heat exchanger evaporation capacity sharply to reduce, now open auxiliary thermal source loop.
A heat exchanger described in the utility model is finned heat exchanger, is provided with blower fan on finned heat exchanger.
The utility model compared with prior art, has following positive effect: reasonable in design, and function is many, easy to operate, and can effectively control the refrigeration of fan coil and heat, and then the temperature in conditioning chamber.
Accompanying drawing explanation
Fig. 1 is the structure flow chart of the utility model embodiment 1.
Fig. 2 is the structure flow chart of the utility model embodiment 2.
The specific embodiment
Below in conjunction with accompanying drawing and by embodiment, the utility model is described in further detail.
Embodiment 1:
Referring to Fig. 1, the present embodiment comprises increasing enthalpy swaging machine 1, cross valve 5, a heat exchanger 6, No. two heat exchangers 8, gas-liquid separator 23, refrigerant heater 22, reservoir 15, water pump 27 and fan coil 29, described cross valve 5 is provided with D interface, C interface, S interface and E interface, increasing enthalpy swaging machine 1 is connected with the D interface of cross valve 5, No. one heat exchanger 6 is connected with the C interface of cross valve 5, No. two heat exchanger 8 is connected with the E interface of cross valve 5, the S interface of cross valve 5 is connected with refrigerant heater 22, refrigerant heater 22 is connected with gas-liquid separator 23, gas-liquid separator 23 is connected with increasing enthalpy swaging machine 1, described reservoir 15 is provided with inlet 151 and liquid outlet 152, and inlet 151 and liquid outlet 152 are connected with heat exchanger 6, No. two heat exchangers 8 respectively, between above-mentioned interconnected structure, all by pipeline 30, connect, form whole cold-producing medium flow process loop.
One end of described water pump 27 is connected with fan coil 29, the other end of fan coil 29 is connected with No. two heat exchangers 8, water pump 27 is connected with No. two heat exchangers 8, between water pump 27, fan coil 29, No. two heat exchangers 8, all by pipeline 30, connects, and forms Water flow-path loop.
In the present embodiment, on the pipeline 30 of connection reservoir 15 inlets 151 and a heat exchanger 6, be provided with check valve 14 No. four, on the pipeline 30 of connection reservoir 15 inlets 151 and No. two heat exchangers 8, be provided with check valve 13 No. three, reservoir 15 inlets 151 can only be communicated with a heat exchanger 6 or No. two heat exchangers 8; On the pipeline 30 of described connection reservoir 15 liquid outlets 152 and a heat exchanger 6, be provided with check valve 12 No. two, on the pipeline 30 of connection reservoir 15 liquid outlets 152 and No. two heat exchangers 8, be provided with check valve 11 No. one, reservoir 15 liquid outlets 152 can only be communicated with a heat exchanger 6 or No. two heat exchangers 8.
In the present embodiment, connect the one end that is provided with 20, No. four heat exchangers 20 of No. four heat exchangers on the pipeline 30 of reservoir 15 liquid outlets 152 and is connected with liquid outlet 152, electric expansion valve of other end connection 19 is connected with check valve 11, No. two check valves 12 afterwards.
In the present embodiment, connect on the pipeline 30 that increases enthalpy swaging machine 1 and cross valve 5D interface and be provided with magnetic valve 3.
In the present embodiment, No. one heat exchanger 6 is finned heat exchanger, is provided with blower fan 7 on finned heat exchanger.
The present embodiment is also provided with auxiliary thermal source loop, and auxiliary thermal source loop is provided with interconnected defrosting magnetic valve 18 and defrosting capillary 21, and defrosting capillary 21 refrigerant heaters 22 connect, and defrosting magnetic valve 18 is connected with a heat exchanger 6.
The present embodiment is also provided with air injection enthalpy-increasing loop, air injection enthalpy-increasing loop comprises that described No. four heat exchangers 20 and injection hit magnetic valve 16, spray electric expansion valve 17, one end of No. four heat exchangers 20 connects to spray successively to be hit after magnetic valve 16, injection electric expansion valve 17, be connected with the liquid outlet 152 of reservoir 15, the other end of No. four heat exchangers 20 is connected with increasing enthalpy swaging machine 1.
In the present embodiment, the D interface of cross valve 5 is connected with C interface, and E interface is connected with S interface.
The present embodiment comprises refrigerant circulation flow process and water circulation flow process, to reach the object of fan coil refrigeration.
The operation principle of refrigerant circulation flow process is:
(1) import that increases enthalpy swaging machine 1, from gas-liquid separator 23 suction low-temperature low-pressure refrigerant gases, is discharged high-temperature high-pressure refrigerant gas through overcompression from increasing the outlet of enthalpy swaging machine 1, through magnetic valve 3, enters cross valve 5.
(2) now cross valve 5 in "on" position not, high-temperature high-pressure refrigerant gas enters from the D interface of cross valve 5, C interface out, enter heat exchanger 6 No. one, now blower fan 7 is in "on" position, high-temperature high-pressure refrigerant gas is heat exchanger 6 internal condensation Cheng Zhongwen high pressure refrigerant liquid, and in condensation process, cold-producing medium is delivered to heat in air.
The middle temperature high pressure refrigerant liquid of (3) heat exchanger 6 outflows, through No. four check valves 14, enter the inlet 151 of reservoir 15, from liquid outlet 152 outflows of reservoir 15, then after electric expansion valve 19 throttlings, become low-temperature low-pressure refrigerant liquid through No. four heat exchangers 20.
(4) low-temperature low-pressure refrigerant liquid is flowed through after a check valve 11 to No. two heat exchangers 8, low-temperature low-pressure refrigerant liquid flashes to low-temperature low-pressure refrigerant gas No. two heat exchanger 8 inside, No. two heat exchangers 8 low-temperature low-pressure refrigerant gas out, from the E interface of cross valve 5, enter, S interface out, enter refrigerant heater 22, finally flow to gas-liquid separator 23; Low-temperature low-pressure refrigerant gas reenters and increases enthalpy swaging machine 1, so circulation.
In Fig. 1, arrow is refrigerant flow direction.
The operation principle of water circulation flow process is:
(1) under the effect of water pump 27, current flow through successively water pump 27, No. two heat exchangers 8, fan coil 29, and circulate with this, form Water flow-path loop.
(2) in (4) step of refrigerant circulation flow process, low-temperature low-pressure refrigerant liquid flashes to low-temperature low-pressure refrigerant gas No. two heat exchanger 8 inside, evaporation process cold-producing medium, by absorbing the heat of 12 ℃ of water of No. two heat exchanger 8 inside, becomes 7 ℃ of water 12 ℃ of water for cooling.
(3) now water pump 27 is in "on" position, and 7 ℃ of water are dirty in fan coil 29 in the effect of water pump 27; Fan coil 29 is also in "on" position, and 7 ℃ of current are by the heat absorbing in room when fan coil 29, and in the time of room cooling, water temperature is elevated to 12 ℃ by 7 ℃, and 12 ℃ of water are got back to heat exchanger 8 No. two under the effect of water pump 27, re-start circulation temperature lowering.
In Fig. 1, arrow is flow direction.
Embodiment 2:
Referring to Fig. 2, in the present embodiment, the D interface of cross valve 5 is connected with E interface, and S interface is connected with C interface.All the other 26S Proteasome Structure and Functions are identical with embodiment 1.
The operation principle of the present embodiment:
The present embodiment comprises refrigerant circulation flow process and water circulation flow process, the object heating to reach fan coil.
The operation principle of refrigerant circulation flow process is:
(1) import that increases enthalpy swaging machine 1, from gas-liquid separator 23 suction low-temperature low-pressure refrigerant gases, is discharged high-temperature high-pressure refrigerant gas through overcompression from increasing the outlet of enthalpy swaging machine 1, through magnetic valve 3, enters cross valve 5.
(2) now cross valve 5 is in "on" position, and high-temperature high-pressure refrigerant gas enters from the D interface of cross valve 5, and E interface out, flows to heat exchanger 8 No. two, and high-temperature high-pressure refrigerant gas is No. two heat exchanger 8 internal condensation Cheng Zhongwen high pressure refrigerant liquid.
(3) warm high pressure refrigerant liquid from No. two heat exchanger 8 outflows, inlet 151 through No. three check valves 13 to reservoir 15, from liquid outlet 152 outflows of reservoir 15, through No. four heat exchangers 20, after electric expansion valve 19 throttlings, become low-temperature low-pressure refrigerant liquid.
(4) low-temperature low-pressure refrigerant liquid is flowed through after No. two check valves 12 to a heat exchanger 6, and now blower fan 7 is in "on" position, and low-temperature low-pressure refrigerant liquid evaporates in a heat exchanger 6, absorbs airborne heat and becomes low-temperature low-pressure refrigerant gas.
The low-temperature low-pressure refrigerant gas of (5) heat exchanger 6 outflows, enters from the C interface of cross valve 5, and S interface out, enters refrigerant heater 22, then flows to gas-liquid separator 23; Last low-temperature low-pressure refrigerant gas reenters and increases enthalpy swaging machine 1, so circulation.
In Fig. 2, arrow is refrigerant flow direction.
The operation principle of water circulation flow process is:
(1) under the effect of water pump 27, current flow through successively water pump 27, No. two heat exchangers 8, fan coil 29, and circulate with this, form Water flow-path loop.
(2) in (2) step of refrigerant circulation flow process, high-temperature high-pressure refrigerant gas is No. two heat exchanger 8 internal condensation Cheng Zhongwen high pressure refrigerant liquid, and cold-producing medium transfers heat to 40 ℃ of water of No. two heat exchanger 8 inside, and 40 ℃ of water are heated into 45 ℃ of water.
(3) now water pump 27 in energising, 45 ℃ of water are dirty in fan coil 29 in the effect of water pump 27, now fan coil 29 is in "on" position, 45 ℃ of current are delivered to the heat in water in room when fan coil 29, when room heats up, water temperature drops to 40 ℃ by 45 ℃, and 40 ℃ of current are got back to heat exchanger 8 No. two under the effect of water pump 27, re-starts circulation and heats up.
In Fig. 2, arrow is flow direction.
In addition, it should be noted that, the specific embodiment described in this description, as long as the undeclared concrete shape of its part and size, this part can be any shape and size that adapt with its structure; Meanwhile, the title that part is got also can be different.All equivalence or simple change of doing according to described structure, feature and the principle of the utility model patent design, are included in the protection domain of the utility model patent.

Claims (9)

1. the integration air energy source pump for fan coil, it is characterized in that: it comprises increasing enthalpy swaging machine, cross valve, a heat exchanger, No. two heat exchangers, gas-liquid separator, refrigerant heater, reservoir, water pump and fan coil, described cross valve is provided with D interface, C interface, S interface and E interface, increasing enthalpy swaging machine is connected with the D interface of cross valve, No. one heat exchanger is connected with the C interface of cross valve, No. two heat exchanger is connected with the E interface of cross valve, the S interface of cross valve is connected with refrigerant heater, refrigerant heater is connected with gas-liquid separator, gas-liquid separator is connected with increasing enthalpy swaging machine, described reservoir is provided with inlet and liquid outlet, and inlet is connected with a heat exchanger, No. two heat exchangers respectively with liquid outlet, between above-mentioned interconnected structure, all by pipeline, connect, form whole cold-producing medium flow process loop,
One end of described water pump is connected with fan coil, and the other end of fan coil is connected with No. two heat exchangers, and water pump is connected with No. two heat exchangers, between water pump, fan coil, No. two heat exchangers, all by pipeline, connects, and forms Water flow-path loop.
2. the integration air energy source pump for fan coil according to claim 1, it is characterized in that: on the pipeline of described connection reservoir inlet and a heat exchanger, be provided with check valve, on the pipeline of connection reservoir inlet and No. two heat exchangers, be provided with check valve, reservoir inlet can only be communicated with a heat exchanger or No. two heat exchangers; On the pipeline of described connection reservoir liquid outlet and a heat exchanger, be provided with check valve, on the pipeline of connection reservoir liquid outlet and No. two heat exchangers, be provided with check valve, reservoir liquid outlet can only be communicated with a heat exchanger or No. two heat exchangers.
3. the integration air energy source pump for fan coil according to claim 2, is characterized in that: the D interface of described cross valve is connected with C interface, and E interface is connected with S interface.
4. the integration air energy source pump for fan coil according to claim 2, is characterized in that: the D interface of described cross valve is connected with E interface, and S interface is connected with C interface.
5. according to the integration air energy source pump for fan coil described in claim 3 or 4, it is characterized in that: on the pipeline of described connection reservoir liquid outlet, be provided with No. four heat exchanger, one end of No. four heat exchangers is connected with liquid outlet, and the other end is connected with check valve after connecting an electric expansion valve.
6. according to the integration air energy source pump for fan coil described in claim 3 or 4, it is characterized in that: on the pipeline of described connection increasing enthalpy swaging machine and cross valve D interface, be provided with magnetic valve.
7. according to the integration air energy source pump for fan coil described in claim 3 or 4, it is characterized in that: it is also provided with auxiliary thermal source loop, auxiliary thermal source loop is provided with interconnected defrosting magnetic valve and defrosting capillary, defrosting capillary refrigerant heater connects, and defrosting magnetic valve is connected with a heat exchanger.
8. the integration air energy source pump for fan coil according to claim 5, it is characterized in that: it is also provided with air injection enthalpy-increasing loop, air injection enthalpy-increasing loop comprises that described No. four heat exchangers and injection hit magnetic valve, spray electric expansion valve, one end of No. four heat exchangers connects to spray successively to be hit after magnetic valve, injection electric expansion valve, be connected with the liquid outlet of reservoir, the other end of No. four heat exchangers is connected with increasing enthalpy swaging machine.
9. according to the integration air energy source pump for fan coil described in claim 3 or 4, it is characterized in that: a described heat exchanger is finned heat exchanger, is provided with blower fan on finned heat exchanger.
CN201320469622.XU 2013-08-02 2013-08-02 Integrated air-driven heat pump unit for fan coil Expired - Lifetime CN203501550U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320469622.XU CN203501550U (en) 2013-08-02 2013-08-02 Integrated air-driven heat pump unit for fan coil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320469622.XU CN203501550U (en) 2013-08-02 2013-08-02 Integrated air-driven heat pump unit for fan coil

Publications (1)

Publication Number Publication Date
CN203501550U true CN203501550U (en) 2014-03-26

Family

ID=50332526

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320469622.XU Expired - Lifetime CN203501550U (en) 2013-08-02 2013-08-02 Integrated air-driven heat pump unit for fan coil

Country Status (1)

Country Link
CN (1) CN203501550U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105222401A (en) * 2015-10-12 2016-01-06 珠海格力电器股份有限公司 Refrigerant circulation system and heat pump equipment with same
CN106196730A (en) * 2016-08-24 2016-12-07 佛山市新鹏工业服务有限公司 A kind of air energy Water temp controller group and use its water-bath system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105222401A (en) * 2015-10-12 2016-01-06 珠海格力电器股份有限公司 Refrigerant circulation system and heat pump equipment with same
CN106196730A (en) * 2016-08-24 2016-12-07 佛山市新鹏工业服务有限公司 A kind of air energy Water temp controller group and use its water-bath system

Similar Documents

Publication Publication Date Title
CN103411349B (en) Integration air energy source pump
CN202254135U (en) Dehumidifying and reheating device of air conditioner
CN203375761U (en) Air conditioner
CN106016771A (en) Solar air source heat pump triple co-generation system and control method thereof
CN203501540U (en) Integrated air energy heat pump unit
CN203010777U (en) Dual-refrigeration-cycle energy-saving air conditioning unit
CN103388905B (en) The adjustable heat pump water heater system of a kind of evaporator flow
CN103196262A (en) Hot gas bypass defrosting device for air source heat pump water heater
CN205843115U (en) A kind of carbon dioxide heat pump device with heating function
CN100439809C (en) Air supplementing system and air supplementing control method for compressor
CN101482321B (en) Ultra-low temperature heat pump water heater
CN102620477A (en) Double-cold-source full fresh air heat pump dehumidification unit
CN202757346U (en) Central air-conditioning and hot water all-in-one machine
CN106225280A (en) A kind of refrigeration or heat pump and a kind of Condensing units
CN202813879U (en) Ultra-low temperature air-source heat pump triple-generation unit system
CN203533671U (en) Integrated air energy heat pump set used for floor heating
CN203024477U (en) Ground source heat pump central air-conditioning hot water triple-generation unit
CN203572022U (en) Air-energy heat pump
CN203501550U (en) Integrated air-driven heat pump unit for fan coil
CN103017410B (en) A kind of heating-refrigerating heat-pipe heat-pump type combined cycle system
CN102829519B (en) Dehumidifying unit of double cold source all fresh air heat pump provided with cold carrying heat exchanger
CN203501551U (en) Integrated air energy heat pump unit simultaneously used for floor heating and domestic water heating
CN103868271B (en) Double electronic expansion-valve heat pump dehumidification dryer
CN108731295B (en) Heat recovery gas air conditioning system
CN104567097A (en) Heat pump system for cooling capacity recycling

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: Haiyan County, Jiaxing city of Zhejiang Province in 314300 Haicheng Town Road No. 468

Patentee after: ZHEJIANG CHUANGNENG NEW ENERGY CO.,LTD.

Address before: 314308 Jiaxing sea salt in the town of Sanlian Industrial Park, Zhejiang

Patentee before: ZHEJIANG CEN NEW ENERGY TECHNOLOGY Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140326