CN210267728U - Photo-thermal composite heat pump air heater - Google Patents

Abstract

The utility model discloses a photo-thermal composite heat pump air heater, which comprises a heat pump heat collection part and a solar heat collection part, wherein the heat pump heat collection part is provided with a compression area, a condensation area, a throttling area and an evaporation area which are sequentially connected to form a circulating hot air system, the condensation area is provided with a condensation coil pipe and a condensation fan, and the condensation coil pipe is parallel to the condensation fan and is used for blowing heat released by the condensation coil pipe into an air supply opening; the evaporation area is provided with an air-cooled evaporator and an evaporation fan, the evaporation fan is positioned at the upper end of the air-cooled evaporator and is used for evaporating the refrigerant liquid in the air-cooled evaporator into low-temperature and low-pressure gas by absorbing the heat in the air; the solar heat collection is provided with a water supply interface, a circulating water pump, a heat collector, a water return interface and a hot water coil pipe which are sequentially connected to form a circulating solar heat collection system, the hot water coil pipe is parallel to the condensing fan and is used for blowing heat released by the hot water coil pipe into the air supply outlet, the problem of low-temperature heat attenuation of the air source heat pump is solved, and double heat collection of heat pump heat collection and solar heat collection is realized.

Description

Photo-thermal composite heat pump air heater

Technical Field

The utility model relates to a new forms of energy heating technical field, concretely relates to compound heat pump air heater of light and heat.

Background

With the popularization of the national policy of changing coal into electricity, the problems of the transformation of coal-fired boilers for heating poultry hatcheries and the selection of heat sources for heating newly-built greenhouses are hot topics in recent years. The air source heat pump is increasingly widely applied in the field of heat supply, but most of the air source heat pumps are hot water systems, and the tail end of each hot water system adopts a floor heating or fan coil pipe; the air source heat pump air heater which directly supplies air to the tail end is relatively applied to the hatching greenhouse, but a single heat source is adopted, a standby heat source is not available when a fault occurs, and the energy saving performance is not high. To above-mentioned problem, this patent proposes a combined type heating system who combines together solar collector and air source heat pump air heater for in poultry hatching canopy and the field that needs hot-blast drying.

Disclosure of Invention

The invention is provided for solving the problems in the prior art, and aims to solve the problem of low-temperature heat attenuation of an air source heat pump, realize double heat collection of heat pump heat collection and solar heat collection, and ensure the continuity of heating.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a photo-thermal composite heat pump air heater comprises a heat pump heat collection body, wherein the heat pump heat collection body is provided with a compression area, a condensation area, a throttling area and an evaporation area which are sequentially connected to form a circulating hot air system, the condensation area is provided with a condensation coil pipe and a condensation fan, and the condensation coil pipe is parallel to the condensation fan and used for blowing heat released by the condensation coil pipe into an air supply opening; the evaporation area is provided with an air-cooled evaporator, an evaporation fan and a liquid separation head, wherein the evaporation fan is positioned at the upper end of the air-cooled evaporator and is used for evaporating refrigerant liquid in the air-cooled evaporator into low-temperature and low-pressure gas by absorbing heat in the air.

Preferably, the air heater further comprises a solar heat collection, the solar heat collection is provided with a water supply interface, a circulating water pump, a heat collector, a water return interface and a hot water coil pipe which are sequentially connected, a circulating solar heat collection system is formed, and the hot water coil pipe is parallel to the condensing fan and used for blowing heat released by the hot water coil pipe into the air supply opening.

Preferably, the compression area is provided with a gas distribution cylinder and a compressor, and the gas distribution cylinder is used for compressing low-temperature and low-pressure gas in the condensation area by the compressor to form high-temperature and high-pressure gas.

Preferably, the throttling area is provided with a liquid viewing mirror and a thermostatic expansion valve, and the liquid viewing mirror is positioned at the front end of the thermostatic expansion valve and used for detecting the refrigerant.

Preferably, the condensing coil is parallel to the hot water coil.

Preferably, the solar heat collector is further provided with an electric auxiliary heat collector, and the electric auxiliary heat collector is positioned between the condensing coil and the condensing fan.

The utility model discloses possess following beneficial effect:

1. the heat collection mode of heat pump heat collection and solar heat collection is adopted, so that double guarantee is provided for heating;

2. the heat pump heat collection device is provided with a compression area, a condensation area, a throttling area and an evaporation area which are sequentially connected to form a circulating hot air system, so that the indoor heating requirement is met;

3. the solar heat collection is provided with a water supply interface, a circulating water pump, a heat collector, a water return interface and a hot water coil which are sequentially connected to form a circulating solar heat collection system, so that the heat is freely provided for indoor under the condition of sufficient sun, the utilization rate of heat energy is improved, and no pollution is caused.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1, a compression area, 11 gas cylinders and 12 compressors; 2 condensation zone, 21 condensation coil, 22 condensation fan; 3 throttling area, 31 sight glass, 32 thermostatic expansion valve; 4, an evaporation area, 41 an air-cooled evaporator and 42 an evaporation fan; 5, a water supply interface; 6, circulating a water pump; 7, a heat collector; 8, a water return interface; 9 hot water coil pipe; 10 electric auxiliary heater.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses an embodiment: referring to fig. 1, the photothermal composite heat pump air heater comprises a solar heat collection and a heat pump heat collection, wherein the solar heat collection comprises a water supply interface 5, a circulating water pump 6, a heat collector 7, a water return interface 8 and a hot water coil pipe 9, so that a circulating solar heat collection system is formed; the heat pump heat collection system comprises a compression area 1, a condensation area 2, a throttling area 3 and an evaporation area 4, a circulating heat pump heat collection system is formed, the compression area 1 is provided with a gas distribution cylinder 11 and a compressor 12, the gas distribution cylinder 11 is provided with a low-temperature low-pressure refrigerating part, the low-temperature low-pressure refrigerating part is compressed by the compressor 12 to form high-temperature high-pressure gas, the condensation area 2 is provided with a condensing coil 21 and a condensing fan 22, the condensing coil 21 is parallel to the condensing fan 22, for blowing the heat released by the condensing coil 21 into the air supply outlet, the throttle zone 3 is provided with a liquid viewing mirror 31 and a thermostatic expansion valve 32, the liquid viewing mirror 31 is positioned at the front end of the thermostatic expansion valve 32, for detecting the refrigerant, the evaporation area 4 is provided with an air-cooled evaporator 41 and an evaporation fan 42, the evaporation fan 42 is positioned at the upper end of the air-cooled evaporator 41, the refrigerant liquid in the air-cooled evaporator 41 is evaporated into a low-temperature and low-pressure gas by absorbing heat in the air.

The utility model discloses an implementation method: referring to fig. 1, in the heat pump heat collecting system, low-temperature and low-pressure refrigerant gas coming out of a gas distributing cylinder 11 is compressed into high-temperature and high-pressure gas by a compressor 12, then enters a condensing coil 21 for condensation and heat release, the released heat is blown to an air supply outlet by a condensing fan 22 for indoor heating, the condensed refrigerant liquid enters a liquid storage cylinder, passes through a filter for filtration, enters a thermal expansion valve 32 with a liquid sight glass 31 at the front section for throttling and pressure reduction to obtain low-temperature and low-pressure liquid, then enters a low-pressure air-cooled evaporator 41 for sudden evaporation, absorbs the heat in outdoor air sucked by an evaporating fan 42, the refrigerant liquid is gasified into low-temperature and low-pressure gas, enters the gas distributing cylinder 11, and is sucked by the compressor 12 again, and the purposes of compression, condensation, throttling and evaporation are achieved.

Solar energy collection system, when the solar energy was sufficient, opened water supply interface 5 and return water interface 8, heat collector 7 absorbed solar heat and heats water, and hot water is sent into hot water coil pipe 9 by circulating water pump 6 and is released heat, and the heat of giving out is blown to the supply-air outlet by condensing fan 22 and is indoor heating, and cold water after the heat transfer gets into heat collector 7 again and heats. When the air is in rain or snow or in extremely cold weather, the electric auxiliary heater 10 is started to heat the air, and the air is blown to the air supply outlet by the condensing fan 22 to supply heat indoors, so that the safety of heat utilization is ensured.

The utility model integrates a solar heat collector, an air source heat pump outdoor unit, an indoor unit and an air cabinet, has high integration rate, compact structure and small occupied area, does not need a water source in the whole system, is very flexible and convenient to install, is not limited by site conditions, and has wide application range; the solar energy composite air source heat pump system solves the problem of low-temperature heat attenuation of an air source heat pump, can freely heat when solar energy is sufficient, is high in heat energy utilization rate, greatly improves the overall operation energy efficiency ratio of the system, achieves the purposes of saving energy and saving operation cost, adopts an auxiliary electric heater, ensures the continuity of heating when the heating capacity of an extremely cold air system is insufficient, ensures the indoor heating requirement, and has wide market popularization and application prospects.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a compound heat pump air heater of light and heat, includes the heat pump thermal-arrest, its characterized in that: the heat pump is provided with a compression area (1), a condensation area (2), a throttling area (3) and an evaporation area (4) which are sequentially connected to form a circulating hot air system, the condensation area (2) is provided with a condensation coil (21) and a condensation fan (22), and the condensation coil (21) is parallel to the condensation fan (22) and used for blowing heat released by the condensation coil (21) into an air supply opening; the evaporation area (4) is provided with an air-cooled evaporator (41) and an evaporation fan (42), wherein the evaporation fan (42) is positioned at the upper end of the air-cooled evaporator (41) and is used for evaporating refrigerant liquid in the air-cooled evaporator (41) into low-temperature and low-pressure gas by absorbing heat in air.

2. The photothermal composite heat pump air heater according to claim 1, wherein: the air heater further comprises a solar heat collection device, the solar heat collection device is provided with a water supply interface (5), a circulating water pump (6), a heat collector (7), a water return interface (8) and a hot water coil (9) which are sequentially connected to form a circulating solar heat collection system, and the hot water coil (9) is parallel to the condensing fan (22) and used for blowing heat released by the hot water coil (9) into the air supply opening.

3. The photothermal composite heat pump air heater according to claim 1, wherein: the compression area (1) is provided with a gas distribution cylinder (11) and a compressor (12), wherein the gas distribution cylinder (11) is used for compressing low-temperature and low-pressure gas in the condensation area (2) by the compressor (12) to form high-temperature and high-pressure gas.

4. The photothermal composite heat pump air heater according to claim 1, wherein: the throttling area (3) is provided with a liquid viewing mirror (31) and a thermostatic expansion valve (32), and the liquid viewing mirror (31) is located at the front end of the thermostatic expansion valve (32) and used for detecting a refrigerant.

5. The photothermal composite heat pump air heater according to claim 2, wherein: the condensing coil (21) is parallel to the hot water coil (9).

6. The photothermal composite heat pump air heater according to claim 2, wherein: the solar heat collector is also provided with an electric auxiliary heat collector (10), and the electric auxiliary heat collector (10) is positioned between the condensing coil (21) and the condensing fan (22).

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