CN217900222U - Circulating air energy heat pump device - Google Patents
Circulating air energy heat pump device Download PDFInfo
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- CN217900222U CN217900222U CN202221924339.7U CN202221924339U CN217900222U CN 217900222 U CN217900222 U CN 217900222U CN 202221924339 U CN202221924339 U CN 202221924339U CN 217900222 U CN217900222 U CN 217900222U
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- way valve
- evaporimeter
- heat exchanger
- tube coupling
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Abstract
The utility model discloses a circulating air can heat pump device, including heat exchanger, compressor, cross valve, evaporimeter, expansion valve, filter, liquid reserve tank, catch water, circulating pump one, circulating pump two, valve one, valve two, two-way valve, capillary, the first circuit of cross valve passes through the tube coupling with the compressor, and the second circuit passes through the tube coupling with the evaporimeter, and the third circuit passes through the tube coupling with the heat exchanger, and the fourth circuit divides two bypasses again, and bypass one passes through the tube coupling for catch water and compressor, and bypass two passes through the tube coupling for two-way valve, capillary, evaporimeter, the heat exchanger loops through the tube coupling with reservoir, filter, expansion valve, evaporimeter, heat exchanger cold water entry and valve one, circulating pump one, evaporimeter pass through the tube coupling, and heat exchanger hot water export and valve two, circulating pump two-way valve, spray, the evaporimeter can defrost the evaporimeter through cross valve, two-way valve, spray, ultrasonic wave.
Description
Technical Field
The utility model relates to an air energy heat pump technical field, concretely relates to circulating air energy heat pump device.
Background
An air source heat pump is an energy-saving device which utilizes high-level energy to enable heat to flow from low-level heat source air to a high-level heat source. It is a form of heat pump. As the name implies, a heat pump, like a pump, can convert low-level heat energy (such as heat contained in air, soil and water) which cannot be directly utilized into high-level heat energy which can be utilized, thereby achieving the purpose of saving part of high-level energy (such as coal, gas, oil, electric energy and the like). The air energy heat pump main unit is usually installed outdoors, and when the air energy heat pump main unit is used in a cold winter, the air energy heat pump main unit is not only influenced by the low temperature of natural wind and snow, but also influenced by cold wind discharged after the air energy heat pump main unit absorbs heat, so that the frosting phenomenon frequently occurs in the low-temperature rain and snow weather. Along with the increase of live time, the thickness of frost layer is higher and higher, and the unit can be because air conversion ability descends this moment, and the circulation volume of refrigerant reduces, and whole heating capacity descends, and then leads to the defrosting ability not enough, and the compressor appearance is shut down after the temperature is crossed lowly.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned problem, provide a circulating air can heat pump device.
The utility model adopts the following technical scheme:
a circulating air-source heat pump device comprises a heat exchanger, a compressor, a four-way valve, an evaporator, an expansion valve, a filter, a liquid storage tank, a steam-water separator, a first valve, a first circulating pump, a second valve, a second circulating pump, a second two-way valve and a capillary tube.
As a preferred technical scheme of the utility model, the evaporimeter is kept away from capillary one side and is equipped with four shower nozzles and is connected with two circulating pumps through the pipeline along vertical direction equidistance, and evaporimeter the inside top is provided with ultrasonic emission module respectively with the bottom.
As an optimal technical scheme of the utility model, valve one is the stop valve with valve two.
As an optimized technical scheme of the utility model, the heat exchanger adopts shell and tube heat exchanger.
As an optimal technical scheme of the utility model, be provided with high pressure protector between cross valve and the compressor tube coupling, be provided with low pressure protector between cross valve and the catch water tube coupling.
The utility model has the advantages that:
the utility model can defrost the fins in the evaporator through various working condition modes, realizes the forward and reverse flow switching of the refrigerant through the switching of the four-way valve, and the high-temperature and high-pressure refrigerant discharged from the compressor flows into the evaporator to release heat to defrost; the on-off of a refrigerant flow path is realized by directly controlling the switch of the two-way valve during hot gas bypass defrosting, and the high-temperature and high-pressure refrigerant discharged from the compressor flows into the evaporator to release heat to realize defrosting; the combination of the ultrasonic wave transmitted by the ultrasonic transmitting module and the hot water sprayed by the spray nozzle can realize defrosting quickly, and is convenient and efficient.
Drawings
FIG. 1 is a system diagram of a circulating air-source heat pump apparatus of the present invention;
the symbols in the drawings illustrate that:
1: compressor, 2: four-way valve, 3: evaporator, 4: expansion valve, 5: a filter, 6: a liquid storage tank, 7: heat exchanger, 8: steam-water separator, 9: two-way valve, 10: capillary, 11: valve one, 12: circulating pump one, 13: valve two, 14: circulating pump two, 15: spray head, 16: ultrasonic wave transmitting module, 17: hot water outlet, 18: cold water inlet, 19: high-voltage protector, 20: a low voltage protector.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings.
In the embodiments, it should be understood that the terms "middle", "upper", "lower", "top", "bottom", "right", "left", "above", "below", "back", "front", "middle", "outside", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present embodiments, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present embodiments.
As shown in fig. 1, a circulating air-source heat pump device includes a heat exchanger 7, a compressor 1, a four-way valve 2, an evaporator 3, an expansion valve 4, a filter 5, a liquid storage tank 6, a vapor-water separator 8, a first circulation pump 12, a second circulation pump 14, a first valve 11, a second valve 13, a two-way valve 9, and a capillary tube 10, wherein the four-way valve 2 is respectively connected with the compressor 1, the evaporator 3, and the heat exchanger 7 through four lines, a first line of the four-way valve 2 is connected with the compressor 1 through a pipeline, a second line of the four-way valve 2 is connected with the evaporator 3 through a pipeline, a third line of the four-way valve 2 is connected with the heat exchanger 7 through a pipeline, a fourth line of the four-way valve 2 is divided into two bypasses, the first bypass is connected with the four-way valve 2 through a loop composed of the vapor-water separator 8 and the compressor 1, the second bypass is connected with the evaporator 3 through a pipeline, the four-way valve 2 is connected with the evaporator 3 through a loop composed of the two-way valve 9, the capillary tube 10, and the evaporator 3, the heat exchanger 7 is connected with the liquid storage tank 6, the filter 5, the expansion valve 4, the lower portion of the heat exchanger 7 is respectively provided with a hot water outlet 17 and a cold water inlet 18, the first heat exchanger 11, and the cold water inlet 18, and the heat exchanger 13 through the circulation pump 13.
Further, evaporimeter 3 keeps away from capillary 10 one side and is equipped with four spray shower 15 and is connected with circulating pump two 14 through the pipeline along vertical direction equidistance, start circulating pump two 14 and just can carry out hot water spray to evaporimeter 3 the inside, 3 the inside tops of evaporimeter are provided with ultrasonic emission module 16 respectively with the bottom simultaneously, ultrasonic emission module 16 passes through electric circuit and connects, the circular telegram starts ultrasonic emission module 16 and just can launch the ultrasonic wave, utilize the defrosting of ultrasonic resonance principle, can reach better defrosting effect through spraying with hot water and cooperate.
Furthermore, the first valve 11 and the second valve 13 are both stop valves, the second valve 13 acts on that hot water can only flow to the evaporator 3 from the heat exchanger 7 in one direction after the second circulating pump 14 is started, the hot water is sprayed out through the spray nozzle 15, the hot water is sprinkled on the frost layer, then the frost layer absorbs heat and melts into cold water, the cold water is gathered at the bottom of the evaporator 3, the first circulating pump 12 is started, and the gathered cold water can only flow to the heat exchanger 7 from the evaporator 3 in one direction through the first valve 11.
Furthermore, the heat exchanger 7 is a shell-and-tube heat exchanger which is suitable for high-temperature and high-pressure environments and has high heat exchange efficiency.
Further, a high-pressure protector 19 is arranged between the four-way valve 2 and the compressor 1 through pipeline connection, the exhaust pressure of the compressor 1 can be monitored through the high-pressure protector 19, the exhaust pressure range of a common air energy heat pump is 0.5-3.3MPA, if the exhaust pressure exceeds a system preset value, the high-pressure protector 19 can act to stop the compressor 1 to work, so that the compressor 1 can operate within a safe range for a long time, a low-pressure protector 20 is arranged between the four-way valve 2 and the steam-water separator 8 through pipeline connection, whether the low-pressure side pressure of the compressor 1 is normal can be monitored through the low-pressure protector 20, if the pressure is lower than the preset value, pipeline leakage or working medium leakage is possible, the low-pressure protector 20 can act to stop the compressor 1 to work, the effect of protecting the compressor 1 is achieved, and the service life of the compressor 1 is prolonged.
The utility model discloses a theory of use: the utility model discloses in defrost through multiple mode, the switch of direct control two-way valve realizes switching on and off of refrigerant flow path when the defrosting of steam bypass, realizes defrosting and the switching of heating. When defrosting is needed, the two-way valve is opened to realize the conduction of a refrigerant flow path, and the high-temperature and high-pressure refrigerant discharged from the compressor 1 flows into the evaporator 3 through the two-way valve 9 and the capillary tube 10 to release heat to realize defrosting. The reverse-flow defrosting of hot gas then realizes the forward of refrigerant, the switching of reverse flow through the switching of cross valve 2, cross valve 2 switches over the refrigerant flow direction when needing to defrost, the high temperature high pressure refrigerant that discharges from compressor 1 directly flows into evaporimeter 3 in reverse direction and releases the heat and realizes the defrosting, the defrosting of spraying then draws hot water to the shower nozzle 15 in the evaporimeter 3 from hot water outlet 17 through opening of valve two 13 and circulating pump two 14 and sprays the defrosting, ultrasonic wave defrosting then utilizes ultrasonic resonance's principle, ultrasonic emission module 16 transmission ultrasonic wave that sets up through evaporimeter 3 upper portion and bottom is defrosted, the mutual switch use under the multimode, can reach the effect of defrosting well.
Finally, it should be noted that: these embodiments are merely illustrative of the present invention and do not limit the scope of the present invention. In addition, other variations and modifications will be apparent to persons skilled in the art based on the foregoing description. This need not be, nor should it be exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.
Claims (5)
1. The utility model provides a circulating air can heat pump device, includes heat exchanger (7), compressor (1), cross valve (2), evaporimeter (3), expansion valve (4), filter (5), liquid storage pot (6), catch water (8), valve (11), circulating pump (12), valve two (13), circulating pump two (14), two-way valve (9), capillary (10), its characterized in that: four-way valve (2) carry out the tube coupling through four circuits respectively with compressor (1), evaporimeter (3), heat exchanger (7), four-way valve (2) first circuit passes through the tube coupling with compressor (1), four-way valve (2) second circuit passes through the tube coupling with evaporimeter (3), four-way valve (2) third circuit passes through the tube coupling with heat exchanger (7), four-way valve (2) fourth circuit divide into two bypasses again, bypass one is that four-way valve (2) loop through catch water (8), compressor (1) constitution return circuit carries out the tube coupling, bypass two is that four-way valve (2) loop through two-way valve (9), capillary (10), evaporimeter (3) constitution return circuit carries out the tube coupling, heat exchanger (7) and liquid storage pot (6), filter (5), evaporimeter (4), evaporimeter (3) loop through the tube coupling, heat exchanger (7) upper and lower part is provided with hot water export (17) and cold water inlet (18) respectively, cold water inlet (18) and valve one (11), circulating pump (12), evaporimeter (3) pass through the tube coupling, hot water export (17) and second circulation pump (13), circulation pump (13) pass through the pipeline coupling.
2. A circulating air-source heat pump apparatus according to claim 1, wherein: evaporator (3) keep away from capillary (10) one side and be equipped with four shower nozzle (15) along vertical direction equidistance and be connected with circulating pump two (14) through the pipeline, evaporator (3) the inside top is provided with ultrasonic emission module (16) respectively with the bottom.
3. A circulating air-source heat pump apparatus according to claim 1, wherein: and the first valve (11) and the second valve (13) are both stop valves.
4. A circulating air-source heat pump apparatus according to claim 1, wherein: the heat exchanger (7) adopts a shell-and-tube heat exchanger.
5. A circulating air-source heat pump apparatus according to claim 1, wherein: a high-pressure protector (19) is arranged between the four-way valve (2) and the compressor (1) in a pipeline connection mode, and a low-pressure protector (20) is arranged between the four-way valve (2) and the steam-water separator (8) in a pipeline connection mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221924339.7U CN217900222U (en) | 2022-07-25 | 2022-07-25 | Circulating air energy heat pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221924339.7U CN217900222U (en) | 2022-07-25 | 2022-07-25 | Circulating air energy heat pump device |
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| Publication Number | Publication Date |
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| CN217900222U true CN217900222U (en) | 2022-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221924339.7U Active CN217900222U (en) | 2022-07-25 | 2022-07-25 | Circulating air energy heat pump device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654282A (en) * | 2021-09-01 | 2021-11-16 | 深圳市派沃新能源科技股份有限公司 | Air source heat pump defrosting system and defrosting judgment method |
-
2022
- 2022-07-25 CN CN202221924339.7U patent/CN217900222U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654282A (en) * | 2021-09-01 | 2021-11-16 | 深圳市派沃新能源科技股份有限公司 | Air source heat pump defrosting system and defrosting judgment method |
| CN113654282B (en) * | 2021-09-01 | 2024-03-19 | 深圳市派沃新能源科技股份有限公司 | Defrosting system of air source heat pump and defrosting judgment method |
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