CN216143881U

CN216143881U - Air source heat pump system

Info

Publication number: CN216143881U
Application number: CN202023105675.2U
Authority: CN
Inventors: 吴新平; 韦杰
Original assignee: Cardiff Co ltd
Current assignee: Cardiff Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2022-03-29
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses an air source heat pump system, which comprises an evaporator, a fan, a first four-way valve, a gas-liquid separator, a compressor, a second four-way valve, a condenser, a liquid storage tank, a filter and an expansion valve, wherein a sliding assisting block is arranged on the evaporator, the cross section of the sliding assisting block is in a right-angled triangle shape, the sliding assisting block comprises two bases, the sliding assisting block is fixedly arranged with the evaporator through bolts in screw holes on the bases, a controller and two motors are also fixedly arranged on the evaporator, the controller is respectively electrically connected with the two motors, the driving ends of the two motors are connected with protective covers, and the controller is used for controlling the two motors to drive the protective covers to turn over; according to the utility model, the protective cover is arranged at the air port of the evaporator, the protective cover is driven by the motor to turn over, the motor is controlled by the controller, and the protective cover is further opened and closed.

Description

Air source heat pump system

Technical Field

The utility model belongs to the technical field of heat pump systems, and particularly relates to an air source heat pump system.

Background

The heat pump is a high-efficiency energy-saving device which makes full use of low-grade heat energy. Heat can be transferred spontaneously from a high temperature object to a low temperature object, but cannot proceed spontaneously in the opposite direction. The working principle of the heat pump is a mechanical device which forces heat to flow from a low-temperature object to a high-temperature object in a reverse circulation mode, and the heat pump can obtain larger heat supply amount only by consuming a small amount of reverse circulation net work, can effectively utilize low-grade heat energy which is difficult to apply to achieve the aim of saving energy, and is consistent with compression refrigeration in the working principle of the heat pump device; therefore, in the small-sized air conditioner, in order to fully exert the efficiency, the temperature reduction of the air conditioner in summer or the heating in winter is completed by using the same equipment, and in the heating in winter, an evaporator and a condenser in the air conditioner are exchanged by a reversing valve.

The existing heat pump system has certain disadvantages when in use, the ventilation opening of the evaporator is in an open state for a long time, so that the inner dust deposition of the evaporator is fast, the evaporator needs to be cleaned frequently, and in winter, the top of the evaporator is easy to accumulate snow, so that the environmental temperature of the evaporator is very low, the probability of pipeline breakage is increased, and certain inconvenience is brought to a user.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in a heat pump system, the ventilation opening of an evaporator is in an open state for a long time, so that the interior of the evaporator is quickly accumulated with dust, the evaporator needs to be frequently cleaned, and in winter, the top of the evaporator is easy to accumulate snow, so that the environment temperature of the evaporator is low, and the probability of pipeline breakage is increased, thereby providing an air source heat pump system.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides an air source heat pump system, includes evaporimeter, fan, first cross valve, vapour and liquid separator, compressor, second cross valve, condenser, liquid storage pot, filter, expansion valve, it helps the slider to set up on the evaporimeter, and helps the transversal right triangle of personally submitting of slider, help including two bases on the slider, help the slider pass through bolt and evaporimeter fixed mounting in the screw hole on the base, it is provided with controller and two motors still to fix on the evaporimeter, the controller respectively with two motor electric connection, two the drive end of motor is connected with the protective cover, the controller is used for controlling two motors and drives the protective cover upset.

Further, the evaporator is respectively connected with a first four-way valve and an expansion valve through pipelines, the first four-way valve is connected with a gas-liquid separator through a pipeline, and the gas-liquid separator is connected with the compressor through a pipeline.

Further, the compressor is connected with a second four-way valve through a pipeline, the second four-way valve is connected with the condenser through a pipeline, and the condenser is connected with the liquid storage tank through a pipeline.

Further, the liquid storage tank is connected with a filter through a pipeline, and the filter is connected with the expansion valve through a pipeline.

Furthermore, the protective cover is arranged at the position of the ventilation opening of the evaporator, and the auxiliary sliding block on the evaporator protrudes out of the surface of the evaporator.

The utility model has the beneficial effects that:

the protective cover is arranged at the air port of the evaporator and is driven by the motor to overturn, the motor is controlled by the controller, the protective cover is further operated to be opened and closed, when the heat pump system is not used, the protective cover is closed, the dustproof effect is achieved, the cleaning frequency of the evaporator is reduced, when the heat pump system is used, the protective cover is opened, air exchange is facilitated, a sliding assisting block with a cross section being in a right-angled triangle shape is arranged at the upper end of the evaporator, the snow accumulation amount at the top of the evaporator is reduced, the snow blocks can conveniently slide downwards from the sliding assisting block, the accumulated snow is prevented from being directly accumulated on the evaporator, the influence of the accumulated snow on the temperature of the evaporator body is reduced, and the probability of pipeline breakage in the evaporator is reduced.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a partial enlarged view of the present invention.

In the figure: 1. an evaporator; 2. a fan; 3. a first four-way valve; 4. a gas-liquid separator; 5. a compressor; 6. a second four-way valve; 7. a condenser; 8. a liquid storage tank; 9. a filter; 10. an expansion valve; 11. a motor; 12. a protective cover; 13. a controller; 14. a slide-assisting block; 15. a base.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, an air source heat pump system includes an evaporator 1, a fan 2, a first four-way valve 3, a gas-liquid separator 4, a compressor 5, a second four-way valve 6, a condenser 7, a liquid storage tank 8, a filter 9, and an expansion valve 10, wherein a helper slider 14 is disposed on the evaporator 1, and the cross section of the helper slider 14 is in a right triangle shape, so that in winter, accumulation of a large amount of snow can be avoided at the top of the evaporator 1, and sliding of the snow can be facilitated, thereby avoiding too low ambient temperature inside the evaporator 1, the helper slider 14 includes two bases 15, the helper slider 14 is fixedly mounted with the evaporator 1 through bolts in screw holes on the bases 15, and is convenient to detach and mount, a controller 13 and two motors 11 are further fixedly disposed on the evaporator 1, the controller 13 is electrically connected with the two motors 11, driving ends of the two motors 11 are connected with a protective cover 12, the controller 13 is used for controlling the two motors 11 to drive the protective cover 12 to turn over, so as to control the protective cover 12 to open and close, when the evaporator is idle, the protective cover is closed to prevent dust from continuously accumulating inside the evaporator 1, the cleaning frequency is reduced, and when the evaporator is used, the protective cover is opened to facilitate air exchange;

the evaporator 1 is respectively connected with a first four-way valve 3 and an expansion valve 10 through pipelines, the first four-way valve 3 is connected with a gas-liquid separator 4 through a pipeline, and the gas-liquid separator 4 is connected with a compressor 5 through a pipeline; the compressor 5 is connected with a second four-way valve 6 through a pipeline, the second four-way valve 6 is connected with a condenser 7 through a pipeline, and the condenser 7 is connected with a liquid storage tank 8 through a pipeline; the liquid storage tank 8 is connected with a filter 9 through a pipeline, and the filter 9 is connected with an expansion valve 10 through a pipeline; the protecting cover 12 is arranged at the position of the ventilation opening of the evaporator 1 and is used for shielding the evaporator 1 when the evaporator is not in use, and the auxiliary sliding block 14 on the evaporator 1 protrudes out of the surface of the evaporator 1, so that the sliding snow blocks cannot be accumulated on the machine shell net of the evaporator 1.

An air source heat pump system, when using, absorb the heat self-evaporation in the air through the evaporator 1 and change the low-temperature low-pressure gaseous refrigerant into the high-pressure high-temperature gaseous state through the compressor 5, the high-temperature high-pressure gaseous refrigerant carries on the heat exchange with water through the condenser 7, the high-pressure refrigerant is cooled, condensed into the liquid state under the normal temperature, in this process, the refrigerant gives off the heat to heat the water, make the water heat up and turn into the hot water, the high-pressure liquid refrigerant decompresses through the expansion valve 10, the pressure drops, return to the temperature lower than the external world, have the ability of absorbing heat and evaporating, the low-temperature low-pressure liquid refrigerant absorbs the heat self-evaporation in the air again through the evaporator 1, change from the liquid state to the gaseous state, thus circulate repeatedly, set up the protective cover 12 in the wind gap of the evaporator 1, the protective cover 12 is turned over by the motor 11 drive, and the motor 11 is controlled by the controller 13, and then operate opening and closing of protective cover 12, when the heat pump system is not used, close protective cover 12, play dustproof effect, reduce the clean frequency of evaporimeter 1, when the heat pump system is used, open protective cover 12, conveniently carry out the air exchange, and be provided with the slider that helps 14 that the cross section is right triangle-shaped at evaporimeter 1 upper end, be used for reducing the snow deposit volume at evaporimeter 1 top, be convenient for the snow piece from helping the slider 14 downwards landing, thereby prevent that snow from directly piling up on evaporimeter 1, reduce the influence of snow to evaporimeter 1 ware body temperature, thereby reduce the probability of the interior pipeline rupture of evaporimeter 1.

The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. An air source heat pump system is characterized by comprising an evaporator (1), a fan (2), a first four-way valve (3), a gas-liquid separator (4), a compressor (5), a second four-way valve (6), a condenser (7), a liquid storage tank (8), a filter (9) and an expansion valve (10), wherein a slide assisting block (14) is arranged on the evaporator (1), the cross section of the slide assisting block (14) is in a right-angled triangle shape, the slide assisting block (14) comprises two bases (15), the slide assisting block (14) is fixedly installed with the evaporator (1) through bolts in screw holes on the bases (15), a controller (13) and two motors (11) are fixedly arranged on the evaporator (1), the controller (13) is respectively electrically connected with the two motors (11), the driving ends of the two motors (11) are connected with a protective cover (12), the controller (13) is used for controlling the two motors (11) to drive the protective cover (12) to turn over.

2. The air-source heat pump system according to claim 1, wherein the evaporator (1) is connected with a first four-way valve (3) and an expansion valve (10) through pipelines, respectively, the first four-way valve (3) is connected with the gas-liquid separator (4) through a pipeline, and the gas-liquid separator (4) is connected with the compressor (5) through a pipeline.

3. An air-source heat pump system according to claim 2, wherein the compressor (5) is connected to the second four-way valve (6) by a pipe, the second four-way valve (6) is connected to the condenser (7) by a pipe, and the condenser (7) is connected to the liquid storage tank (8) by a pipe.

4. An air-source heat pump system according to claim 3, wherein the reservoir (8) is connected to the filter (9) by a pipe, and the filter (9) is connected to the expansion valve (10) by a pipe.

5. An air-source heat pump system according to claim 1, characterized in that the protective cover (12) is arranged at the position of the ventilation opening of the evaporator (1), and the slide block (14) on the evaporator (1) protrudes from the surface of the evaporator (1).