CN204943958U - Environmental protection refrigerant R410A low-temperature air source heat pump Air conditioning unit - Google Patents
Environmental protection refrigerant R410A low-temperature air source heat pump Air conditioning unit Download PDFInfo
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- CN204943958U CN204943958U CN201520690667.9U CN201520690667U CN204943958U CN 204943958 U CN204943958 U CN 204943958U CN 201520690667 U CN201520690667 U CN 201520690667U CN 204943958 U CN204943958 U CN 204943958U
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Abstract
The utility model discloses a kind of environmental protection refrigerant R410A low-temperature air source heat pump Air conditioning unit, it comprises an indoor set and an off-premises station, the housing assembly inside of off-premises station is provided with electric cabinet, electric cabinet is adjacent with compressor, the right side of compressor is vapour liquid separator and reservoir, it is hydrojet ducting module between compressor and liquid condensation pipeline, it is connected with magnetic valve on copper pipe, the rear of magnetic valve is liquid injection valve, liquid injection valve is connected by copper pipe with compressor, compressor is connected by the cross valve of copper pipe with outside vapour liquid separator and outside, the pipeline that cross valve is connected with compressor is fixed with an exhaust gas temperature sensor, exhaust gas temperature sensor by wire coupling on compressor wiring box controller, the beneficial effect that the utility model reaches is not for damage ozone layer, heat exchanger totle drilling cost can reduce about 20%, energy-efficient, hot blast can be produced with heating under the environment temperature of minimum-25 DEG C.
Description
Technical field
The utility model belongs to technical field of central air, is specifically related to a kind of environmental protection refrigerant R410A low-temperature air source heat pump Air conditioning unit.
Background technology
At present, in the northern area of China, obtain heating hot water in the winter of cold mainly through fuel oil, combustion gas, source pump and electrical heating, then hot water is passed into the end facilities such as fan coil units, radiator, radiation-heating floor and carry out heating.The mode that existing mode obtains hot water also exists drawback, is mainly reflected in the following aspects, and 1. energy consumption is high, not environmentally, adopt combustion gas or source pump, can produce the gas harmful to air, thermal conducting agent such as fluorine-containing and so on material has the harm of destruction especially to ozone layer; 2. existing thermal conducting agent freezing point is high, and in the unit interval, cooling rate is slower, and isentropic Compression is larger than merit, makes compressor difficulty, is unfavorable for compressor service life; 3, low temperature environment heating cannot be realized.How by effectively improving existing air energy thermal pump assembly, it can be made to use environmental protection refrigerant R410A to carry out conveying and the conversion of energy, is more than the technical problem that existing industry technical staff urgently improves.
Utility model content
For prior art Problems existing, the purpose of this utility model is to provide a kind of environmental protection refrigerant R410A low-temperature air source heat pump Air conditioning unit, pass through technological improvement, can reach and heat effect preferably, and effectively can reduce energy consumption, environmentally safe, use cost is low, is conducive to effect that compressor operation also can realize heating at low ambient temperatures.
The utility model solves the technical scheme that its technical problem adopts: a kind of environmental protection refrigerant R410A low-temperature air source heat pump Air conditioning unit, it comprises an indoor set and an off-premises station, indoor set and existing normal air source heat pump unit formula air-conditioner set indoor set structure is identical, comprises indoor heat exchanger and centrifugal blower and installs its framework, its off-premises station outside framework is identical with existing air source heat pump Air conditioning unit outdoor unit structure, it comprises a housing assembly, the housing assembly inner upper left and right sides is separately installed with outside finned heat exchanger, the top of outside finned heat exchanger is provided with axial flow blower, it is characterized in that: housing assembly is inner, the below of outside finned heat exchanger is provided with electric cabinet from left to right, electric cabinet is adjacent with compressor, the right side of compressor is vapour liquid separator and reservoir, for adapting to the hydrojet circulation running of environmental protection refrigerant R410A, spy adds 1 hydrojet ducting module between compressor and liquid condensation pipeline, it is connected with magnetic valve on copper pipe, the rear of magnetic valve is liquid injection valve, liquid injection valve is connected by copper pipe with compressor, compressor is connected by the cross valve of copper pipe with outside vapour liquid separator and outside, the pipeline that cross valve is connected with compressor is fixed with an exhaust gas temperature sensor, exhaust gas temperature sensor is by the controller of wire coupling on compressor wiring box, be connected with wire between controller with liquid injection valve.
The beneficial effects of the utility model: the utility model is by Improvement, and environmental protection refrigerant R410A can be used to carry out heat transmission as medium, and the beneficial effect reached is 1. use environmental protection refrigerant R410A, does not damage ozone layer, without greenhouse effects; 2. good economy performance, heat exchanger totle drilling cost can reduce about 20%; 3. energy-efficient, there is lower fluid density, higher vapour density, the higher latent heat of vaporization make unit have larger cold under identical framework.In heat exchanger, there is less pressure drop, cause lower condensation temperature and higher evaporating temperature, thus allow system obtain higher efficiency.Isentropic Compression is less than merit, makes compressor operating lighter, and extend compressor service life, molecular weight is little, good fluidity, and discharge pressure is lower, reduces compressor load; 4. the heating of winter low temperature environment, cooling in summer, can produce hot blast with heating under the environment temperature of minimum-25 DEG C.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further detailed:
Fig. 1 is the utility model outdoor heat exchanger structural representation;
Fig. 2 is the inner theory structure schematic diagram of the utility model;
In accompanying drawing, 1, outside finned heat exchanger, 2, axial flow blower, 3, outside housing assembly, 4, reservoir, 5, vapour liquid separator, 6, compressor, 7, hydrojet ducting module, 8, electric cabinet, 71, magnetic valve, 72, liquid injection valve, 73, terminal box controller, 74, exhaust gas temperature sensor, 9, cross valve, 10, outdoor heat exchanger, 11, indoor heat exchanger, 12, filter, 13, check valve, 14, choke valve, 15, centrifugal blower, 16, framework.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is conducted further description.
A kind of environmental protection refrigerant R410A low-temperature air source heat pump Air conditioning unit, identical with existing common air-conditioner set, it comprises indoor set and an off-premises station, indoor set described in the utility model and existing normal air source heat pump unit formula air-conditioner set indoor set structure is identical, comprises indoor heat exchanger 11 and centrifugal blower 15 and installs its framework 16, the profile of its off-premises station is identical with existing air source heat pump Air conditioning unit outdoor unit structure, it comprises a housing assembly 3, the housing assembly 3 inner upper left and right sides is separately installed with outside finned heat exchanger 1, the top of outside finned heat exchanger 1 is provided with axial flow blower 2, housing assembly 3 is inner, the below of outside finned heat exchanger 1 is provided with electric cabinet 8 from left to right, electric cabinet 8 is adjacent with compressor 6, the right side of compressor 6 is vapour liquid separator 5 and reservoir 4, for adapting to the hydrojet circulation running of environmental protection refrigerant R410A, spy adds 1 hydrojet ducting module 7 between compressor 6 and liquid condensation pipeline, it is connected with magnetic valve 71 on copper pipe, the rear of magnetic valve 71 is liquid injection valve 72, liquid injection valve 72 is connected by copper pipe with compressor 6, compressor 6 is connected by the cross valve 9 of copper pipe with outside vapour liquid separator 5 and outside, the pipeline that cross valve 9 is connected with compressor 6 is fixed with an exhaust gas temperature sensor 74, exhaust gas temperature sensor 74 is by the terminal box controller 73 of wire coupling on compressor 6, be connected with wire between terminal box controller 73 with liquid injection valve 72.
Above-mentioned hydrojet ducting module 7 designs for coordinating the circulation of hydrojet cold-producing medium, as accompanying drawing 2 explain, represented by dotted arrows heats, solid line representative refrigeration, its operation principle is: when utility model works, from the copper pipe condenser pipe, branch out sub-fraction high pressure refrigerant liquid entered by liquid injection valve 72 after magnetic valve 71 in the mouth spray of compressor 6, spray into the intermediate cavity of screw compressor 6, thus effective cooling reduce delivery temperature, hydrojet ducting module 7 is connected by the cross valve 9 of pipeline with vapour liquid separator 5 and outside, the pipeline that cross valve 9 is connected with compressor 6 is fixed with an exhaust gas temperature sensor 74, exhaust gas temperature sensor 74 is by the terminal box controller 73 of wire coupling on compressor 6, be connected with wire between terminal box controller 73 with liquid injection valve 72, its effect is by the spouting liquid between temperature control liquid injection valve 72 and compressor 6, cross valve 9 is connected with indoor heat exchanger 11 with the outdoor heat exchanger 10 of outside again, identical with existing common air-conditioner set, by check valve 13 and choke valve 14 and joining and acting between reservoir 4 and filter 12, whole refrigeration or heating operations are come.
Claims (1)
1. an environmental protection refrigerant R410A low-temperature air source heat pump Air conditioning unit, it comprises an indoor set and an off-premises station, indoor set and existing normal air source heat pump unit formula air-conditioner set indoor set structure is identical, comprises indoor heat exchanger and centrifugal blower and installs its framework, its off-premises station outside framework is identical with existing air source heat pump Air conditioning unit outdoor unit structure, it comprises a housing assembly, the housing assembly inner upper left and right sides is separately installed with outside finned heat exchanger, the top of outside finned heat exchanger is provided with axial flow blower, it is characterized in that: housing assembly is inner, the below of outside finned heat exchanger is provided with electric cabinet from left to right, electric cabinet is adjacent with compressor, the right side of compressor is vapour liquid separator and reservoir, for adapting to the hydrojet circulation running of environmental protection refrigerant R410A, spy adds 1 hydrojet ducting module between compressor and liquid condensation pipeline, it is connected with magnetic valve on copper pipe, the rear of magnetic valve is liquid injection valve, liquid injection valve is connected by copper pipe with compressor, compressor is connected by the cross valve of copper pipe with outside vapour liquid separator and outside, the pipeline that cross valve is connected with compressor is fixed with an exhaust gas temperature sensor, exhaust gas temperature sensor is by the controller of wire coupling on compressor wiring box, be connected with wire between controller with liquid injection valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520690667.9U CN204943958U (en) | 2015-09-01 | 2015-09-01 | Environmental protection refrigerant R410A low-temperature air source heat pump Air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520690667.9U CN204943958U (en) | 2015-09-01 | 2015-09-01 | Environmental protection refrigerant R410A low-temperature air source heat pump Air conditioning unit |
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| Publication Number | Publication Date |
|---|---|
| CN204943958U true CN204943958U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520690667.9U Active CN204943958U (en) | 2015-09-01 | 2015-09-01 | Environmental protection refrigerant R410A low-temperature air source heat pump Air conditioning unit |
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| CN (1) | CN204943958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332725A (en) * | 2019-05-30 | 2019-10-15 | 武晓宁 | CO2 twin-stage frequency conversion air friction drag |
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2015
- 2015-09-01 CN CN201520690667.9U patent/CN204943958U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332725A (en) * | 2019-05-30 | 2019-10-15 | 武晓宁 | CO2 twin-stage frequency conversion air friction drag |
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| GR01 | Patent grant |