CN216159382U - Solar energy and air energy heat pump two-stage evaporation inner coupling system - Google Patents

Solar energy and air energy heat pump two-stage evaporation inner coupling system Download PDF

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CN216159382U
CN216159382U CN202122290172.5U CN202122290172U CN216159382U CN 216159382 U CN216159382 U CN 216159382U CN 202122290172 U CN202122290172 U CN 202122290172U CN 216159382 U CN216159382 U CN 216159382U
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evaporator
collecting plate
inlet
valve
solar
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敬长训
杨彬
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Abstract

The utility model relates to the technical field of efficient heating, and discloses a solar energy and air energy heat pump two-stage evaporation inner coupling system which comprises a compressor, a four-way reversing valve, a high-efficiency tank and a flash evaporator, wherein one end of the four-way reversing valve is sequentially connected with the high-efficiency tank, a gas-liquid separator and a fin type two-stage evaporator from top to bottom, and one end of the flash evaporator is respectively connected with the compressor and a solar energy heat-collecting plate one-stage evaporator from top to bottom. This application solar energy heat-collecting plate one-level evaporimeter and fin formula second grade evaporimeter realize the doublestage evaporation heat absorption, perhaps realize bipolar evaporation heat absorption through fin formula one-level evaporimeter and solar energy heat-collecting plate second grade evaporimeter, wherein, the solar energy heat-collecting plate can high-efficiently absorb invisible light such as hyper-spectral infrared ray and other low-grade heats, fully absorb heat through the inside working medium of system comprehensively evenly, can improve the system thermal efficiency greatly, thereby can normally work and produce sufficient heat under low ambient temperature, the economic benefits who is showing has.

Description

Solar energy and air energy heat pump two-stage evaporation inner coupling system
Technical Field
The utility model relates to the technical field of efficient heating, in particular to a solar energy and air energy heat pump two-stage evaporation inner coupling system.
Background
The air energy 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, 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), and is widely applied to the fields of heating, hot water, greenhouse constant temperature, sewage treatment, drying and the like.
The air energy heat pump mainly comprises a compressor, a condenser, a restrictor and an evaporator to form a circulating system, a heating medium (also called a refrigerant) circularly flows in the system under the action of the heat pump, the process of absorbing low-temperature heat in air and converting the low-temperature heat into high-temperature heat can be realized, and cold water is heated to 65 ℃, however, the traditional air energy heat pump only utilizes traditional air energy, the energy source is single, the utilization rate is insufficient, the energy consumption is high, and the energy efficiency is low. When the ambient temperature is lower than-20 ℃, the heat in the air is little, and the heat which can be absorbed by the air source heat pump is little, so that the heating capacity is reduced under the low ambient working condition.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a two-stage evaporation inner coupling system of a solar and air heat pump, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a solar energy and air energy heat pump doublestage evaporation inner coupling system, includes compressor, four-way reversing valve, high-efficient jar and flash vessel, vapour and liquid separator is installed to the one end of compressor, the exit linkage of compressor has four-way reversing valve, install high-pressure protection switch between the export of compressor and the four-way reversing valve, the one end from the top down of four-way reversing valve has connected gradually high-efficient jar, vapour and liquid separator and fin formula second grade evaporimeter, install the low pressure protection switch between four-way reversing valve and the vapour and liquid separator, the one end of high-efficient jar is connected with the filter, the one end of filter is connected with the flash vessel, the one end from the top down of flash vessel is connected with compressor and solar energy heat collecting plate one-level evaporimeter respectively, the export of solar energy heat collecting plate one-level evaporimeter is connected with the entry of fin formula second grade evaporimeter, the high-efficiency tank consists of an external water tank and an internal condenser, wherein one end of the water tank is provided with a cold water inlet, the other end of the water tank is provided with a hot water outlet, and one end of the condenser is connected with the filter.
As a still further scheme of the utility model: the solar heat collecting plate is characterized in that a second temperature sensing bulb is installed at the inlet of the first-stage evaporator of the solar heat collecting plate, a first temperature sensing bulb is installed at the inlet of the high-voltage protection switch, and a third temperature sensing bulb is installed at the inlet of the low-voltage protection switch.
As a still further scheme of the utility model: a main electronic expansion valve is arranged between the flash evaporator and the inlet of the first-stage evaporator of the solar heat-collecting plate, and an auxiliary electronic expansion valve is arranged between the flash evaporator and the compressor.
As a still further scheme of the utility model: a second stop valve is arranged between the outlet of the solar heat-collecting plate primary evaporator and the inlet of the finned secondary evaporator, and a first stop valve is arranged between the outlet of the finned secondary evaporator and the four-way reversing valve.
As a still further scheme of the utility model: one end of the four-way reversing valve can be sequentially connected with a high-efficiency tank, a gas-liquid separator and a solar heat-collecting plate secondary evaporator from top to bottom, one end of the flash evaporator can be respectively connected with a compressor and a fin type primary evaporator from top to bottom, and the outlet of the fin type primary evaporator is connected with the inlet of the solar heat-collecting plate secondary evaporator.
As a still further scheme of the utility model: the solar heat collecting plate secondary evaporator comprises a flash evaporator and a fin type primary evaporator, and is characterized in that a main electronic expansion valve, an electromagnetic valve and a second stop valve are sequentially connected between the flash evaporator and an inlet of the fin type primary evaporator, a first stop valve and a first one-way valve are sequentially installed between an outlet of the fin type primary evaporator and an inlet of the solar heat collecting plate secondary evaporator from right to left, a second temperature sensing bag is installed at an inlet of the solar heat collecting plate secondary evaporator, and a second one-way valve is installed between the inlet of the solar heat collecting plate secondary evaporator and the electromagnetic valve.
Compared with the prior art, the utility model has the beneficial effects that:
this application solar energy heat-collecting plate one-level evaporimeter and fin formula second grade evaporimeter realize the doublestage evaporation heat absorption, perhaps realize bipolar evaporation heat absorption through fin formula one-level evaporimeter and solar energy heat-collecting plate second grade evaporimeter, wherein, the solar energy heat-collecting plate can high-efficiently absorb invisible light such as hyper-spectral infrared ray and other low-grade heats, fully absorb heat through the inside working medium of system comprehensively evenly, can improve the system thermal efficiency greatly, thereby can normally work and produce sufficient heat under low ambient temperature, the economic benefits who is showing has.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment in a solar and air heat pump dual-stage evaporation inner coupling system;
fig. 2 is a schematic structural diagram of a second embodiment of a two-stage evaporation inner coupling system of a solar and air heat pump.
In the figure: 1. a compressor; 2. a first bulb; 3. a low-voltage protection switch; 4. a high voltage protection switch; 5. a four-way reversing valve; 6. an auxiliary electronic expansion valve; 7. a high-efficiency tank; 8. a filter; 9. a flash evaporator; 10. a main electronic expansion valve; 11. a first shut-off valve; 12. a finned secondary evaporator; 13. a second stop valve; 14. a second bulb; 15. a solar heat-collecting plate primary evaporator; 16. a third thermal bulb; 17. a gas-liquid separator; 18. an electromagnetic valve; 19. a first check valve; 20. a second one-way valve; 21. a solar heat-collecting plate secondary evaporator; 22. finned first-stage evaporator.
Detailed Description
Example one
Referring to fig. 1, in the embodiment of the present invention, a two-stage evaporation inner coupling system of a solar energy and air energy heat pump includes a compressor 1, a four-way reversing valve 5, a high-efficiency tank 7 and a flash evaporator 9, a gas-liquid separator 17 is installed at one end of the compressor 1, the outlet of the compressor 1 is connected with the four-way reversing valve 5, a high-pressure protection switch 4 is installed between the outlet of the compressor 1 and the four-way reversing valve 5, the high-efficiency tank 7, the gas-liquid separator 17 and a fin type two-stage evaporator 12 are sequentially connected to one end of the four-way reversing valve 5 from top to bottom, a low-pressure protection switch 3 is installed between the four-way reversing valve 5 and the gas-liquid separator 17, one end of the high-efficiency tank 7 is connected with a filter 8, one end of the filter 8 is connected with the flash evaporator 9, one end of the flash evaporator 9 is respectively connected with the compressor 1 and the solar energy heat-collecting plate one-stage evaporator 15 from top to bottom, the outlet of the solar energy heat collecting plate one-stage evaporator 15 is connected with the inlet of the fin type two-stage evaporator 12, the high-efficiency tank 7 consists of an external water tank and an internal condenser, one end of the water tank is provided with a cold water inlet, and the other end of the water tank is provided with a hot water outlet, one end of the condenser is connected with the filter 8, a second temperature sensing bulb 14 is installed at the inlet of the solar heat-collecting plate primary evaporator 15, a first temperature sensing bulb 2 is installed at the inlet of the high-pressure protection switch 4, a third temperature sensing bulb 16 is installed at the inlet of the low-pressure protection switch 3, a main electronic expansion valve 10 is installed between the flash evaporator 9 and the inlet of the solar heat-collecting plate primary evaporator 15, an auxiliary electronic expansion valve 6 is installed between the flash evaporator 9 and the compressor 1, a second stop valve 13 is installed between the outlet of the solar heat-collecting plate primary evaporator 15 and the inlet of the fin-type secondary evaporator 12, and a first stop valve 11 is installed between the outlet of the fin-type secondary evaporator 12 and the four-way reversing valve 5.
The working principle of the first embodiment is as follows:
connecting a cold water inlet and a hot water outlet of a water tank outside a high-efficiency tank 7 with a heat supply pipe network to form a circulating system, starting a compressor 1, evaporating and absorbing heat in a liquid working medium in a solar heat-collecting plate primary evaporator 15, flowing through a second stop valve 13, then entering a fin-type secondary evaporator 12 to evaporate and absorb heat again, allowing a gaseous working medium obtained after evaporation to sequentially flow through a first stop valve 11, a four-way reversing valve 5 and a low-pressure protection switch 3, entering a gas-liquid separator 17, separating the liquid working medium which is not evaporated (namely a small amount of liquid working medium remained in the gaseous working medium) through the gas-liquid separator 17, allowing the gaseous working medium to enter the compressor 1, thereby preventing the compressor 1 from being impacted by the liquid working medium, allowing the gaseous working medium to be compressed by the compressor 1 to form a high-temperature and high-pressure liquid working medium, allowing the high-temperature and high-pressure liquid working medium to sequentially flow through the high-pressure protection switch 4 and the four-way reversing valve 5, the liquid working medium with middle temperature and high pressure condensed in the condenser is filtered by a filter 8 and then is divided into two parts by a flash evaporator 9, one part of the liquid working medium with middle temperature and high pressure passes through an auxiliary electronic expansion valve 6 to become wet steam with low temperature and low pressure, and the wet steam returns to the compressor 1, thereby supplementing air to the compressor 1, the other part of the liquid working medium with middle temperature and high pressure passes through a main electronic expansion valve 10 to become wet steam with low temperature and low pressure, and the heat-absorbing material enters the solar heat-collecting plate primary evaporator 15 again for primary evaporation and heat absorption, flows through the second stop valve 13 after the primary evaporation and heat absorption, enters the fin type secondary evaporator 12 for secondary evaporation and heat absorption, and the steps are repeated in a circulating manner.
Example two
Referring to fig. 2, in the embodiment of the present invention, a two-stage evaporation inner coupling system of a solar energy and air energy heat pump includes a compressor 1, a four-way reversing valve 5, a high-efficiency tank 7 and a flash evaporator 9, wherein one end of the compressor 1 is provided with a gas-liquid separator 17, an outlet of the compressor 1 is connected with the four-way reversing valve 5, a high-pressure protection switch 4 is installed between the outlet of the compressor 1 and the four-way reversing valve 5, one end of the four-way reversing valve 5 is sequentially connected with the high-efficiency tank 7, the gas-liquid separator 17 and a solar energy heat-collecting plate secondary evaporator 21 from top to bottom, a low-pressure protection switch 3 is installed between the four-way reversing valve 5 and the gas-liquid separator 17, one end of the high-efficiency tank 7 is connected with a filter 8, one end of the filter 8 is connected with the flash evaporator 9, one end of the flash evaporator 9 is respectively connected with the compressor 1 and a fin type one-stage evaporator 22 from top to bottom, an outlet of the fin type one-stage evaporator 22 is connected with an inlet of the solar energy heat-collecting plate secondary evaporator 21, the high-efficiency tank 7 consists of an external water tank and an internal condenser, one end of the water tank is provided with a cold water inlet, the other end of the water tank is provided with a hot water outlet, one end of the condenser is connected with a filter 8, a first temperature sensing bulb 2 is installed at the inlet of a high-pressure protection switch 4, a third temperature sensing bulb 16 is installed at the inlet of a low-pressure protection switch 3, a second temperature sensing bulb 14 is installed at the inlet of a solar heat-collecting plate secondary evaporator 21, a main electronic expansion valve 10, an electromagnetic valve 18 and a second stop valve 13 are sequentially connected between the flash evaporator 9 and the inlet of a fin type primary evaporator 22, a first stop valve 11 and a first one-way valve 19 are sequentially installed between the outlet of the fin type primary evaporator 22 and the inlet of the solar heat-collecting plate secondary evaporator 21 from right to left, and a second one-way valve 20 is installed between the inlet of the solar heat-collecting plate secondary evaporator 21 and the electromagnetic valve 18, an auxiliary electronic expansion valve 6 is arranged between the flash evaporator 9 and the compressor 1.
The working principle of the second embodiment is as follows:
connecting a cold water inlet and a hot water outlet of a water tank outside a high-efficiency tank 7 with a heat supply pipe network to form a circulating system, starting a compressor 1, evaporating and absorbing heat of a liquid working medium through a fin-type primary evaporator 22, sequentially flowing through a first stop valve 11 and a first one-way valve 19, then entering a solar heat-collecting plate secondary evaporator 21 for evaporating and absorbing heat again, sequentially flowing through a four-way reversing valve 5 and a low-pressure protection switch 3, entering a gas-liquid separator 17, separating the liquid working medium (namely a small amount of liquid working medium remained in the gas working medium) which is not evaporated through the gas-liquid separator 17, and enabling the gas working medium to enter the compressor 1, thereby preventing the compressor 1 from being impacted by the liquid working medium, compressing the gas working medium through the compressor 1 to form a high-temperature and high-pressure liquid working medium, sequentially flowing through a high-pressure protection switch 4 and the four-way reversing valve 5, the liquid working medium with the medium temperature and the high pressure condensed in the condenser is filtered by a filter 8 and then is divided into two parts by a flash evaporator 9, one part of the liquid working medium with the medium temperature and the high pressure passes through a main electronic expansion valve 10 to become wet steam with low temperature and low pressure, and the wet steam with the low temperature and the low pressure flows through an electromagnetic valve 18 and a second stop valve 13 (through a second one-way valve 20) to return to the compressor 1 so as to supplement air for the compressor 1, the other part of the liquid working medium with the medium temperature and the high pressure passes through the main electronic expansion valve 10 to become wet steam with low temperature and low pressure, and the wet steam with the low temperature and the low pressure flows through the electromagnetic valve 18 and the second stop valve 13 (through the second one-way valve 20 to realize the heat exchange and the transfer of heat To prevent low-temperature and low-pressure wet steam from reversely flowing into the solar heat-collecting plate secondary evaporator 21), and then enters the fin-type primary evaporator 22 to perform primary evaporation and heat absorption, and after the primary evaporation and heat absorption, the wet steam flows through the first stop valve 11 and the first one-way valve 19, and then enters the solar heat-collecting plate secondary evaporator 21 again to perform secondary evaporation and heat absorption, and the steps are repeated in this way.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims (6)

1. The utility model provides a solar energy and air-source heat pump doublestage evaporation inner coupling system, includes compressor (1), four-way reversing valve (5), high-efficient jar (7) and flash vessel (9), its characterized in that, vapour and liquid separator (17) are installed to the one end of compressor (1), the exit linkage of compressor (1) has four-way reversing valve (5), install high-pressure protection switch (4) between the export of compressor (1) and four-way reversing valve (5), the one end of four-way reversing valve (5) from the top down has connected gradually high-efficient jar (7), vapour and liquid separator (17) and fin formula second grade evaporimeter (12), install low pressure protection switch (3) between four-way reversing valve (5) and vapour and liquid separator (17), the one end of high-efficient jar (7) is connected with filter (8), the one end of filter (8) is connected with flash vessel (9), the one end from the top down of flash vessel (9) is connected with compressor (1) and solar energy heat-collecting plate one-level evaporator (15) respectively, the export of solar energy heat-collecting plate one-level evaporator (15) is connected with the entry of fin formula secondary evaporator (12), high-efficient jar (7) comprise outside water tank and inside condenser, the one end of water tank is provided with the cold water entrance, and the other end of water tank is provided with the hot water export, the one end of condenser is connected with filter (8).
2. The two-stage evaporation inner coupling system of the solar and air heat pump according to claim 1, wherein a second thermal bulb (14) is installed at the inlet of the first-stage evaporator (15) of the solar heat collecting plate, a first thermal bulb (2) is installed at the inlet of the high-voltage protection switch (4), and a third thermal bulb (16) is installed at the inlet of the low-voltage protection switch (3).
3. The two-stage evaporation inner coupling system of the solar and air heat pump according to claim 1, wherein a main electronic expansion valve (10) is installed between the inlet of the flash evaporator (9) and the inlet of the first-stage evaporator (15) of the solar heat collecting plate, and an auxiliary electronic expansion valve (6) is installed between the flash evaporator (9) and the compressor (1).
4. The two-stage evaporation inner coupling system of the solar and air heat pump according to claim 1, wherein a second stop valve (13) is installed between the outlet of the primary evaporator (15) of the solar heat collecting plate and the inlet of the finned secondary evaporator (12), and a first stop valve (11) is installed between the outlet of the finned secondary evaporator (12) and the four-way reversing valve (5).
5. The solar energy and air energy heat pump two-stage evaporation inner coupling system according to claim 1, wherein one end of the four-way reversing valve (5) is sequentially connected with a high-efficiency tank (7), a gas-liquid separator (17) and a solar heat collecting plate secondary evaporator (21) from top to bottom, one end of the flash evaporator (9) is further connected with a compressor (1) and a fin type primary evaporator (22) from top to bottom, and an outlet of the fin type primary evaporator (22) is connected with an inlet of the solar heat collecting plate secondary evaporator (21).
6. The solar energy and air energy heat pump two-stage evaporation inner coupling system according to claim 5, wherein a main electronic expansion valve (10), an electromagnetic valve (18) and a second stop valve (13) are sequentially connected between the flash evaporator (9) and the inlet of the fin-type one-stage evaporator (22), a first stop valve (11) and a first one-way valve (19) are sequentially installed between the outlet of the fin-type one-stage evaporator (22) and the inlet of the solar heat collecting plate two-stage evaporator (21) from right to left, a second temperature sensing bag (14) is installed at the inlet of the solar heat collecting plate two-stage evaporator (21), and a second one-way valve (20) is installed between the inlet of the solar heat collecting plate two-stage evaporator (21) and the electromagnetic valve (18).
CN202122290172.5U 2021-09-22 2021-09-22 Solar energy and air energy heat pump two-stage evaporation inner coupling system Active CN216159382U (en)

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Application Number Priority Date Filing Date Title
CN202122290172.5U CN216159382U (en) 2021-09-22 2021-09-22 Solar energy and air energy heat pump two-stage evaporation inner coupling system

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Application Number Priority Date Filing Date Title
CN202122290172.5U CN216159382U (en) 2021-09-22 2021-09-22 Solar energy and air energy heat pump two-stage evaporation inner coupling system

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CN216159382U true CN216159382U (en) 2022-04-01

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