CN212205140U - Solar defrosting air source heat pump device - Google Patents
Solar defrosting air source heat pump device Download PDFInfo
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- CN212205140U CN212205140U CN201921302940.0U CN201921302940U CN212205140U CN 212205140 U CN212205140 U CN 212205140U CN 201921302940 U CN201921302940 U CN 201921302940U CN 212205140 U CN212205140 U CN 212205140U
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- defrosting
- heat
- air source
- heat pump
- solar
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Heat-Pump Type And Storage Water Heaters (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model discloses a solar defrosting air source heat pump device, which comprises a solar heat collector, a defrosting heat pump and an air source heat pump, wherein the solar heat collector, the defrosting heat pump and the air source heat pump are circularly connected through a pipeline; the solar heat collector also comprises a heat storage tank, vacuum circulating pipes and a support, wherein the heat storage tank is horizontally arranged on the support, the vacuum heat collecting pipes are arranged on the support side by side and are connected with the side surface of the heat storage tank, and the heat storage tank, the defrosting pump and the air source heat pump are in circulating connection through pipelines; the air source heat pump also comprises an evaporator, a compressor, a condenser and an expansion valve, wherein the evaporator is circularly connected with the compressor, the condenser and the expansion valve through pipelines, and the heat storage tank, the defrosting pump and the evaporator are circularly connected through pipelines. The utility model has the advantages of, make full use of solar energy to evaporating machine frost treatment, effectively avoided because the temperature that the reverse circulation of air source heat pump caused reduces.
Description
Technical Field
The utility model relates to an air source heat pump technical field especially relates to a solar energy defrosting air source heat pump device.
Background
When the air source heat pump operates, the low-grade heat energy in the ambient air is absorbed, and the pressure and the temperature are improved and then utilized.
Because the heat source of the air source heat pump is from ambient air, the influence of the environment is large, when the air source heat pump operates in winter, the surface of the evaporator fins can be frosted, and when the spaces among the evaporator fins are blocked by frost, the heat pump system can not operate normally.
Generally, the air source heat pump is designed with an automatic defrosting function, and when the ambient temperature is lower than a set value and the compressor reaches continuous operation time, the air source heat pump automatically enters a defrosting mode: the four-way valve acts, the roles of the evaporator and the condenser are exchanged, high-temperature heating medium at the exhaust port of the compressor enters the evaporator to defrost, and when the defrosting time is up or the temperature of the evaporator reaches a set value, the defrosting mode is exited. When the air source heat pump is in a defrosting mode, the evaporator and the condenser are interchanged in function, indoor heat can be converted into the outdoor evaporator to be defrosted, a lot of heat can be consumed, and the air source heat pump is defrosted repeatedly and frequently every day, so that the stable operation is greatly influenced, and the failure rate is increased.
The utility model discloses an use air source heat pump of solar energy as defrosting energy source, can effectively defrost under the condition that does not influence the normal work that heats of unit, improve its energy efficiency ratio like CN200920272728.4 this utility model discloses an use air source heat pump of defrosting energy source. The solar defrosting device is realized by the following steps that the solar defrosting device consists of a compressor, a solar cell panel, a storage battery, a wind side heat exchanger, a water side heat exchanger, a two-way expansion valve and an electric heating defroster, light energy is converted into electric energy through the solar cell panel under the sunshine condition and then stored in the storage battery, and after frosting is generated due to the change of outdoor temperature and humidity, the defrosting process is started. The utility model discloses at first set up the critical curve of frosting under the simulation model reachs each humiture condition to the system, then start according to the change control electric heat defroster of the outdoor humiture in the operation, realize the purpose of the heating defrosting of wind side heat exchanger from this, but this utility model exists can only outside defrosting, problem that the defrosting effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a solar energy defrosting air source heat pump device to prior art not enough
In order to solve the technical problem, the utility model discloses take following technical scheme:
the device comprises a solar heat collector, a defrosting pump and an air source heat pump, wherein the solar heat collector, the defrosting pump and the air source heat pump are circularly connected through pipelines;
the solar heat collector also comprises a heat storage tank, vacuum circulating pipes and a support, wherein the heat storage tank is horizontally arranged on the support, the vacuum heat collecting pipes are arranged on the support side by side and are connected with the side surface of the heat storage tank, and the heat storage tank, the defrosting pump and the air source heat pump are in circulating connection through pipelines;
the air source heat pump also comprises an evaporator, a compressor, a condenser and an expansion valve, wherein the evaporator is circularly connected with the compressor, the condenser and the expansion valve through pipelines, and the heat storage tank, the defrosting pump and the evaporator are circularly connected through pipelines.
Further, the evaporator comprises a first circulating pipe and a second circulating pipe, the first circulating pipe and the second circulating pipe are arranged inside the evaporator in a folding and coiling mode, the heat storage tank and the defrosting pump are in circulating connection with the first circulating pipe through pipelines, and the second circulating pipe, the compressor, the condenser and the expansion valve are in circulating connection through pipelines.
Further, a heat insulation layer, a temperature sensor, a heater and a switch are further arranged in the heat collection box, the heat insulation layer is arranged inside the heat collection box, the temperature sensor is arranged between the heat collection box and the heat insulation layer, the temperature sensor is connected with the heater, and the heater is connected with the switch.
Further, the first circulation pipe and the second circulation pipe are integrally manufactured with the evaporator.
The beneficial effects of the device are:
1. device, make full use of solar energy handles the evaporimeter machine frost, has effectively avoided because the temperature that the reverse circulation of air source heat pump caused reduces.
2. The device, the evaporimeter and first circulating pipe second circulating pipe integrated into one piece, convenient to detach and installation.
3. The device, the medium loss that defrosts is low in the heat-retaining case, life cycle is long.
Drawings
Fig. 1 is a schematic structural diagram of the device of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the evaporator of the present invention.
The labels in the figure are: 1000-solar heat collector, 1100-heat storage tank, 1200-vacuum heat collection pipe, 1300-bracket, 2000-air source heat pump, 2100-evaporator, 2110-first circulation pipe, 2120-second circulation pipe, 2111-defrosting medium inlet, 2112-defrosting medium outlet, 2113-working medium outlet, 2114-working medium inlet, 2115-fin, 2200-compressor, 2300-condenser pipe, 2400-expansion valve, 3000-defrosting pump, 4000-water inlet and 5000-water outlet.
Detailed Description
As shown in the figures 1-2 of the drawings,
the device comprises: the device comprises a solar heat collector 1000, a heat storage box 1100, a vacuum heat collecting tube 1200, a support 1300, an air source heat pump 2000, an evaporator 2100, a defrosting medium inlet 2111, a defrosting medium outlet 2112, a working medium outlet 2113, a working medium inlet 2114, a compressor 2200, a condensation pipe 2300, an expansion valve 2400, a defrosting pump 3000, a water inlet 4000 and a water outlet 5000.
The solar heat collector 1000, the defrosting pump 3000 and the air source heat pump 2000 are circularly connected through a pipeline, and the circulating flow of a defrosting medium can be controlled through the defrosting pump 3000;
the solar heat collector 1000 further comprises a heat storage tank 1100, evacuated collector tubes 1200 and a support 1300, wherein the heat storage tank 1100 is horizontally arranged on the support 1300, the evacuated collector tubes 1200 are arranged on the support 1300 side by side and are connected with the side surface of the heat storage tank 1100, and the heat storage tank 1100, the defrosting pump 3000 and the air source heat pump 2000 are in circulating connection through pipelines.
The air source heat pump 2000 includes an evaporator 2100, a compressor 2200, a condenser 2300 and an expansion valve 2400, the evaporator 2100, the compressor 2200, the condenser 2300 and the expansion valve 2400 are sequentially and circularly connected through a pipeline, after a working medium absorbs heat in the evaporator 2100, flows into the compressor 2200 to be compressed, flows into the condenser 2300 to meet with cold water flowing in from a water inlet 5000, the cold water is heated through heat conduction, heated hot water flows out from a water outlet 4000, and the working medium after heat exchange flows into the expansion valve 2400 to be decompressed and then flows back to the evaporator 2100.
The evaporator 2100 comprises a first circulating pipe 2110 and a second circulating pipe 2120, the first circulating pipe 2110 and the second circulating pipe 2120 are arranged inside the evaporator 2100 in a folded and coiled mode, the heat storage tank 1100, the defrosting pump 3000 and the first circulating pipe 2110 are connected in a circulating mode through pipelines, defrosting media defrost the inside of the evaporator 2100 through the first circulating pipe 2110, the second circulating pipe 2120, the compressor 2200, the condenser 2300 and the expansion valve 2400 are sequentially connected in a circulating mode through pipelines, after absorbing heat in the evaporator 2100, working media flow into the compressor 2200 from the working medium outlet 2113 and are compressed, then flow into the condenser 2300 to meet cold water flowing into the water inlet 5000, the cold water is heated through heat conduction, heated hot water flows out from the water outlet 4000, and the working media after heat exchange flow into the expansion valve 2400 and are decompressed and then flow back to the evaporator 2100 from the working medium inlet 2115.
The heat storage box 1100 is internally provided with a heat preservation layer, a temperature sensor, a heater and a switch (both not shown), the heat preservation layer is arranged inside the heat storage box 1100, the temperature sensor is arranged between the heat storage box 1100 and the heat preservation layer and used for detecting the temperature of defrosting media, the temperature sensor is connected with the heater, and the heater is connected with the switch and used for heating the defrosting media in the heat storage box 1100.
Further, the defrosting medium is water, antifreeze oil and air.
Further, the first circulation pipe 2110 and the second circulation pipe 2120 are integrally manufactured with the evaporator 2100, so as to be conveniently installed.
In the defrosting mode, when the light is sufficient, the evacuated collector tube 1300 absorbs solar heat energy to heat a defrosting medium and stores the defrosting medium in the heat storage tank 1100, when the fins 2115 of the evaporator 2100 frost, the air source heat pump 2000 stops working, the defrosting pump 3000 is started, the defrosting medium flows out of the heat storage tank 1100 and enters the evaporator 2100 from the defrosting medium inlet 2111 to be defrosted, the defrosting medium flows out of the defrosting medium outlet 2112 and returns to the heat storage tank 1100 to circulate in a reciprocating manner, after the frost of the fins 2115 is melted, the defrosting pump 3000 stops working, the air source heat pump 2000 is started, the air source heat pump 2000 normally works, and the solar collector 1000 continuously absorbs heat energy to heat the defrosting medium.
When the light is insufficient, after the evaporator 2100 defrosts for multiple times, when the temperature of the defrosting medium in the heat storage tank 1100 is detected to be lower than 15 ℃ through the temperature sensor, the heater is started to directly heat the defrosting medium in the heat storage tank 1100, and the defrosting medium is used for defrosting the evaporator 2100 subsequently.
When the evaporator 2100 needs to be replaced, the new evaporator 2100 is replaced by connecting the pipeline with the original pipeline, so that the replacement is completed conveniently and quickly, and a large amount of time and labor are saved.
The above is not the restriction of the technical solution of the present invention, and any obvious replacement is within the protection scope of the present invention without departing from the concept of the present invention.
Claims (4)
1. A solar defrosting air source heat pump device comprises a solar heat collector, a defrosting heat pump and an air source heat pump, and is characterized in that the solar heat collector, the defrosting heat pump and the air source heat pump are in circulating connection through pipelines;
the solar heat collector also comprises a heat storage tank, vacuum circulating pipes and a support, the heat storage tank is horizontally arranged on the support, the vacuum circulating pipes are arranged on the support side by side and connected with the side surface of the heat storage tank, and the heat storage tank, the defrosting pump and the air source heat pump are circularly connected through pipelines;
the air source heat pump still includes evaporimeter, compressor, condenser and expansion valve, the evaporimeter with the compressor the condenser and the expansion valve passes through pipeline circulation connection, heat storage box defrosting pump and the evaporimeter passes through pipeline circulation connection.
2. The solar defrosting air source heat pump device according to claim 1, wherein the evaporator comprises a first circulation pipe and a second circulation pipe, the first circulation pipe and the second circulation pipe are arranged inside the evaporator in a folded and coiled manner, the heat storage tank, the defrosting pump and the first circulation pipe are circularly connected through a pipeline, and the second circulation pipe, the compressor, the condenser and the expansion valve are circularly connected through a pipeline.
3. The solar defrosting air source heat pump device according to claim 1, wherein a heat insulation layer, a temperature sensor, a heater and a switch are arranged in the heat storage tank, the heat insulation layer is arranged inside the heat storage tank, the temperature sensor is arranged between the heat storage tank and the heat insulation layer, the temperature sensor is connected with the heater, and the heater is connected with the switch.
4. The solar defrosting air source heat pump apparatus of claim 2 wherein the first circulation pipe and the second circulation pipe are manufactured integrally with an evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921302940.0U CN212205140U (en) | 2019-08-12 | 2019-08-12 | Solar defrosting air source heat pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921302940.0U CN212205140U (en) | 2019-08-12 | 2019-08-12 | Solar defrosting air source heat pump device |
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| CN212205140U true CN212205140U (en) | 2020-12-22 |
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| CN201921302940.0U Active CN212205140U (en) | 2019-08-12 | 2019-08-12 | Solar defrosting air source heat pump device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500810A (en) * | 2019-08-12 | 2019-11-26 | 天普新能源科技有限公司 | A kind of solar energy defrost heat pump apparatus of air source |
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2019
- 2019-08-12 CN CN201921302940.0U patent/CN212205140U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500810A (en) * | 2019-08-12 | 2019-11-26 | 天普新能源科技有限公司 | A kind of solar energy defrost heat pump apparatus of air source |
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