CN214792008U

CN214792008U - Air source heat pump unit

Info

Publication number: CN214792008U
Application number: CN202121114863.3U
Authority: CN
Inventors: 卢丙海
Original assignee: Guangdong Hepai New Energy Technology Co ltd
Current assignee: Guangdong Hepai New Energy Technology Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-11-19
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses an air source heat pump unit, which comprises a housing, the welding of the top outer wall center department of casing has the top cap, the fan is installed through the bolt in the inside of top cap, the bottom outer wall welding of top cap has the frame of expanding the wind, expand and be provided with the filter screen between the inner wall of wind frame, the welding has baffle one between the inner wall of casing, the welding of the top outer wall of baffle one has the mount, the fan is installed through the bolt in the inside of mount, the top of fan is provided with the heating wire, the evaporimeter is installed through the bolt in the top of mount, the positive outer wall and the back outer wall of evaporimeter all are provided with the dust screen, temperature sensor is installed to one side inner wall of evaporimeter, the bottom outer wall welding of casing has the stand, the bottom of stand is rotated and is connected with the pulley, the both sides outer wall of casing has all been seted up and has been hung the knot. The utility model discloses a fan blows the hot-air of heating wire heating to the evaporimeter in, improves the inside temperature of evaporimeter, has avoided the evaporimeter to frost.

Description

Air source heat pump unit

Technical Field

The utility model relates to an air source heat pump technical field especially relates to an air source heat pump set.

Background

The air source heat pump unit is a machine which takes air as a raw material to generate heat energy and comprises a compressor, a condenser, a throttle valve and an evaporator. The working principle is that the heat is absorbed from a high-temperature heat source in the evaporator and is gasified into low-pressure steam. The refrigerant gas is then compressed in the compressor to a high temperature and pressure vapor which is condensed in the condenser to a high pressure liquid by the low temperature heat source. Then the refrigerant is throttled into low-temperature low-pressure liquid refrigerant by a throttling element, thus completing a refrigeration cycle.

However, when the existing air source heat pump unit is used, the evaporator is easy to frost, heat transfer resistance between the evaporator and air is increased, heat exchange and normal operation of the unit are affected, manual defrosting is generally adopted at present, and parts such as a shell need to be dismounted firstly and then defrosting treatment is carried out during manual defrosting, so that the process is very complicated, and meanwhile, the existing air source heat pump unit is heavy, inconvenient to carry and troublesome to transport. Therefore, it is desirable to design an air source heat pump unit to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects that the manual defrosting and dedusting of the evaporator existing in the prior art are comparatively complex and inconvenient to carry by the air source heat pump unit, and providing the air source heat pump unit.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an air source heat pump unit, includes the casing, the welding of the top outer wall center department of casing has the top cap, the fan is installed through the bolt in the inside of top cap, the bottom outer wall welding of top cap has the frame that expands the wind, expand and be provided with the filter screen between the inner wall of wind frame, the welding has baffle one between the inner wall of casing, the welding of the top outer wall of baffle one has the mount, the fan is installed through the bolt in the inside of mount, the top of fan is provided with the heating wire, the evaporimeter is installed through the bolt in the top of mount, the positive outer wall and the back outer wall of evaporimeter all are provided with the dust screen, temperature sensor is installed to one side inner wall of evaporimeter, the bottom outer wall welding of casing has the stand, the bottom of stand is rotated and is connected with the pulley, the both sides outer wall of casing has all been seted up and has been hung the knot.

Furthermore, a second partition plate is welded between the inner walls of the shell, a liquid storage tank is fixedly mounted on the outer wall of the top of the second partition plate, and the outer wall of one side of the liquid storage tank is connected with the outer wall of one side of the evaporator through a pipeline.

Further, the bottom inner wall fixed mounting of casing has the compressor, there is vapour and liquid separator one side outer wall of compressor through the pipe connection, and vapour and liquid separator's top is through the one side outer wall connection of pipeline and evaporimeter.

Further, the condenser is installed through the bolt to the bottom inner wall of casing, and the bottom outer wall of condenser passes through the pipeline and is connected with one side outer wall of compressor.

Furthermore, the top outer wall of the condenser is connected with a filter, one end of the filter is connected with an expansion valve, and one end of the expansion valve is connected with the outer wall of one side of the liquid storage tank through a pipeline.

Furthermore, one side outer wall fixedly connected with cold water of condenser is gone into the pipe, one side fixedly connected with hot water exit tube of condenser, and the hot water exit tube is located the top that cold water went into the pipe.

The utility model has the advantages that:

1. through the heating wire and the fan that set up, the heating wire generates heat after the circular telegram, with the air heating around the heating wire, the fan blows the hot-air around the heating wire to the evaporimeter in, improves the inside temperature of evaporimeter, avoids the evaporimeter to frost, influences heat exchange and unit normal operating.

2. Through the pulley that sets up with hang the knot, pulley person of facilitating the use carries air source heat pump set, can control air source heat pump set's removal and fixed through the locking device on the gyro wheel, and hang the knot and be convenient for hang the hook lock, be favorable to air source heat pump set's transportation.

3. Through the filter screen and the dust screen that set up, the filter screen blocks in the outer air dust machine inner casing of casing, and the dust screen blocks the interior evaporimeter of dust machine in the air, piles up the dust on avoiding the evaporimeter, influences heat exchange and unit normal operating.

Drawings

Fig. 1 is a schematic structural view of an air source heat pump unit provided by the present invention;

fig. 2 is a schematic front structural view of an air source heat pump unit provided by the present invention;

fig. 3 is the utility model provides a structural schematic diagram of curtain machine evaporimeter is rolled up to air source heat pump set.

In the figure: the device comprises a machine shell 1, a top cover 2, a fan 3, a wind expansion frame 4, a filter screen 5, a first partition plate 6, a fixed frame 7, a fan 8, a heating wire 9, an evaporator 10, a dust screen 11, a temperature sensor 12, a second partition plate 13, a liquid storage tank 14, a compressor 15, a gas-liquid separator 16, a condenser 17, a filter 18, an expansion valve 19, a cold water inlet pipe 20, a hot water outlet pipe 21, a column 22, a pulley 23 and a hanging buckle 24.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, an air source heat pump unit comprises a casing 1, a top cover 2 is welded at the center of the outer wall of the top of the casing 1, the top cover 2 facilitates installation of a fan 3, the fan 3 is installed inside the top cover 2 through bolts, the fan 3 accelerates air flow and facilitates heat dissipation of an evaporator 10, an air expanding frame 4 is welded on the outer wall of the bottom of the top cover 2, an air opening enlarged by the air expanding frame 4 improves the use effect of the evaporator 10, a filter screen 5 is arranged between the inner walls of the air expanding frame 4, the filter screen 5 prevents air dust outside the casing 1 from entering the casing 1, a partition plate 6 is welded between the inner walls of the casing 1, the partition plate 6 facilitates installation of a fixing frame 7, a fixing frame 7 is welded on the outer wall of the top of the partition plate 6, the fixing frame 7 facilitates installation of a fan 8 and a heating wire 9, the fan 8 is installed inside the fixing frame 7 through bolts, the fan 8 blows hot air around the heating wire 9 into the evaporator 10, the temperature inside the evaporator 10 is improved, frosting of the evaporator 10 is avoided, the heating wire 9 is arranged above the fan 8, the heating wire 9 generates heat after being electrified, air around the heating wire 9 is heated, the evaporator 10 is arranged above the fixing frame 7 through bolts, low-temperature condensed gas passes through the evaporator 10 and exchanges heat with outside air to be liquefied and absorb heat, the refrigerating effect is achieved, dust screens 11 are arranged on the outer walls of the front side and the back side of the evaporator 10, the dust screens 11 avoid the evaporator 10 in a dust machine in the air, a temperature sensor 12 is arranged on the inner wall of one side of the evaporator 10, the temperature sensor 12 is used for sensing the temperature inside the evaporator 10, the stand column 22 is welded on the outer wall of the bottom of the shell 1, the stand column 22 provides support for the shell 1 and facilitates installation of the pulley 23, the pulley 23 is rotatably connected to the bottom end of the stand column 22, and the pulley 23 facilitates carrying of an air source heat pump set by a user, can control air source heat pump set's removal and fixed through the locking device on gyro wheel 23, the both sides outer wall of casing 1 has all been seted up and has been hung knot 24, hangs and detains 24 and is convenient for hang the hook lock, is favorable to air source heat pump set's transportation.

Furthermore, a second partition plate 13 is welded between the inner walls of the casing 1, the second partition plate 13 facilitates installation of a liquid storage tank 14, the liquid storage tank 14 is fixedly installed on the outer wall of the top of the second partition plate 13, the outer wall of one side of the liquid storage tank 14 is connected with the outer wall of one side of the evaporator 10 through a pipeline, and the liquid storage tank 14 is used for storing liquid.

Further, a compressor 15 is fixedly mounted on the inner wall of the bottom of the casing 1, the compressor 15 drives the refrigerant to circulate, the compressor 15 compresses low-temperature air into high-temperature high-pressure gas, a gas-liquid separator 16 is connected to the outer wall of one side of the compressor 15 through a pipeline, and the top end of the gas-liquid separator 16 is connected to the outer wall of one side of the evaporator 10 through a pipeline.

Further, a condenser 17 is installed on the inner wall of the bottom of the machine shell 1 through a bolt, the outer wall of the bottom of the condenser 17 is connected with the outer wall of one side of the compressor 15 through a pipeline, the high-temperature high-pressure gas is compressed by the compressor 15 and enters the condenser 17 to be condensed into a liquid state, and the absorbed heat is sent to required heated water.

Further, a filter 18 is connected to the outer wall of the top of the condenser 17, the drying filter 18 absorbs moisture and filters impurities, an expansion valve 19 is connected to one end of the filter 18, one end of the expansion valve 19 is connected to the outer wall of one side of the liquid storage tank 14 through a pipeline, and the expansion valve 19 plays a role in throttling and reducing pressure, so that the phenomena of insufficient utilization of the area of the evaporator 10 and cylinder knocking are prevented.

Further, a cold water inlet pipe 20 is fixedly connected to an outer wall of one side of the condenser 17, the cold water inlet pipe 20 is used for adding cold water into the condenser 17, a hot water outlet pipe 21 is fixedly connected to one side of the condenser 17, the hot water outlet pipe 21 is located above the cold water inlet pipe 20, and the hot water outlet pipe 21 is used for discharging hot water subjected to heat exchange in the condenser 17.

The working principle is as follows: when the evaporator is used, a liquid working medium firstly absorbs heat in air in the evaporator 10 to evaporate to form steam, then the steam is compressed into high-temperature high-pressure gas by the compressor 15, the high-temperature high-pressure gas enters the condenser 17 to be condensed into liquid and sends the absorbed heat to water to be heated, the liquid working medium is decompressed and expanded by the expansion valve 19 and then returns to the expansion valve 19 again, the absorbed heat evaporates to complete a cycle, when the temperature sensor 12 senses that the temperature in the evaporator 10 is too low, the fan 3 stops rotating, the heating wire 9 generates heat after being electrified, the air around the heating wire 9 is heated, meanwhile, the fan 8 is started, the fan 8 blows hot air around the heating wire 9 into the evaporator 10, the temperature in the evaporator 10 is increased, and frosting of the evaporator 10 is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is familiar with the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered in the protection scope of the present invention.

Claims

1. The air source heat pump unit comprises a machine shell (1) and is characterized in that a top cover (2) is welded at the center of the outer wall of the top of the machine shell (1), a fan (3) is installed inside the top cover (2) through a bolt, an air expansion frame (4) is welded on the outer wall of the bottom of the top cover (2), a filter screen (5) is arranged between the inner walls of the air expansion frame (4), a first partition plate (6) is welded between the inner walls of the machine shell (1), a fixing frame (7) is welded on the outer wall of the top of the first partition plate (6), a fan (8) is installed inside the fixing frame (7) through a bolt, a heating wire (9) is arranged above the fan (8), an evaporator (10) is installed above the fixing frame (7) through a bolt, and dust screens (11) are arranged on the outer wall of the front side and the outer wall of the back side of the evaporator (10), temperature sensor (12) are installed to one side inner wall of evaporimeter (10), the bottom outer wall welding of casing (1) has stand (22), the bottom of stand (22) is rotated and is connected with pulley (23), the both sides outer wall of casing (1) has all been seted up and has been hung knot (24).

2. The air source heat pump unit according to claim 1, wherein a second partition plate (13) is welded between the inner walls of the casing (1), a liquid storage tank (14) is fixedly installed on the outer wall of the top of the second partition plate (13), and the outer wall of one side of the liquid storage tank (14) is connected with the outer wall of one side of the evaporator (10) through a pipeline.

3. The air source heat pump unit according to claim 1, wherein a compressor (15) is fixedly installed on the inner wall of the bottom of the casing (1), a gas-liquid separator (16) is connected to the outer wall of one side of the compressor (15) through a pipeline, and the top end of the gas-liquid separator (16) is connected to the outer wall of one side of the evaporator (10) through a pipeline.

4. The air source heat pump unit according to claim 1, wherein the condenser (17) is mounted on the inner bottom wall of the casing (1) through bolts, and the outer bottom wall of the condenser (17) is connected with the outer wall of one side of the compressor (15) through a pipeline.

5. An air source heat pump unit according to claim 4, characterized in that the top outer wall of the condenser (17) is connected with a filter (18), one end of the filter (18) is connected with an expansion valve (19), and one end of the expansion valve (19) is connected with one side outer wall of the liquid storage tank (14) through a pipeline.

6. The air source heat pump unit according to claim 4, wherein a cold water inlet pipe (20) is fixedly connected to the outer wall of one side of the condenser (17), a hot water outlet pipe (21) is fixedly connected to one side of the condenser (17), and the hot water outlet pipe (21) is located above the cold water inlet pipe (20).