CN212930211U

CN212930211U - Air source heat pump heating system

Info

Publication number: CN212930211U
Application number: CN202021480694.0U
Authority: CN
Inventors: 左成; 张华鹏; 兰明磊; 姜鲁荣; 张立鹏
Original assignee: Yantai Houde Ruihua Energy Saving Technology Co ltd
Current assignee: Yantai Houde Ruihua Energy Saving Technology Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-04-09
Anticipated expiration: 2030-07-23

Abstract

The utility model relates to an air source heat pump heating system relates to energy and power engineering's technical field, and it includes compressor, condenser, liquid storage pot, expansion valve and evaporimeter, and compressor, condenser, liquid storage pot, expansion valve and evaporimeter loop through the connecting pipe connection and form the return circuit, are connected with the filter between liquid storage pot and the expansion valve. The application can produce atmospheric pollution and protect the environment.

Description

Air source heat pump heating system

Technical Field

The application relates to the field of energy and power engineering, in particular to an air source heat pump heating system.

Background

At present, the heating mode can be divided into the following modes according to the types of adopted energy sources: coal-fired heating, gas heating, solar heating, electric heating and the like. In recent years, due to environmental protection and safety considerations, heating modes such as coal and gas are gradually limited in some areas. The air source heat pump heating is a new heating mode appearing in recent years, and is strong in environmental protection and energy conservation continuity.

A chinese publication No. CN104296380B discloses a combustion heating system, which comprises a heating device, the heating device includes: the top of the body is provided with at least one condensation chamber, the middle upper part of the condensation chamber is provided with an atomizing device, and the atomizing device is symmetrically provided with at least two atomizers; the top end of the condensing chamber is provided with a through smoke outlet; the flame cavity is fixedly arranged in the body and is fixedly connected with the burner through a through hole on the body; the top of the flame cavity is provided with a capped diverter at the position corresponding to the condensing chamber, and the diverter is uniformly provided with at least two elbows with downward outlets along the circumferential direction. The elbow of the steering gear is provided with an inclination angle and corresponds to the condensation chamber, so that the contact time of atomized water and flue gas is prolonged, the sensible heat of the flue gas and the latent heat of vaporization of water vapor are fully utilized, the exhaust gas temperature is reduced, and a high-power heating system can be realized.

In view of the above-mentioned related art, the inventors believe that the combustion heating system reduces the exhaust gas temperature and reduces the environmental pollution, but also causes the atmospheric pollution.

SUMMERY OF THE UTILITY MODEL

In order to reduce atmospheric pollution, environmental protection, this application provides an air source heat pump heating system.

The application provides an air source heat pump heating system adopts following technical scheme:

an air source heat pump heating system comprises a compressor, a condenser, a liquid storage tank, an expansion valve and an evaporator, wherein the compressor, the condenser, the liquid storage tank, the expansion valve and the evaporator are sequentially connected through connecting pipes to form a loop, and a filter is connected between the liquid storage tank and the expansion valve.

Through adopting above-mentioned technical scheme, the refrigerant is stored in the liquid storage pot, and the refrigerant is earlier through the filter with impurity filtering, prevents that the connecting pipe from blockking up. Then the heat in the air is absorbed by the evaporator, compressed by the compressor, and the temperature and pressure of the refrigerant are raised by electric power, and then the heat is released by the condenser to heat the heating water, and finally the heating water returns to the evaporator through the expansion valve to carry out the next cycle. The system can change low-temperature and low-pressure refrigerants into high-temperature and high-pressure refrigerants, and absorbs and releases heat through state conversion, so that the continuous heating of heating water is completed, no atmospheric pollution is generated, and the environment is protected.

Preferably, the outer wall of the condenser is fixedly provided with a heat preservation layer, and the condenser is connected with a water outlet pipe and a water return pipe.

Through adopting above-mentioned technical scheme, the condenser is to the water heating that flows into in the condenser from the wet return, and the hot water after the heating flows out from the outlet pipe and heats. The heat preservation can reduce the heat loss in the condenser, improves heating efficiency.

Preferably, condenser and wet return junction are provided with filter equipment, and the one end that the wet return is close to the condenser is equipped with the internal thread, set up threaded hole on the condenser, and filter equipment includes barrel and filter screen, and the filter screen can be dismantled and connect in the barrel, and the both ends of barrel are equipped with the external screw thread respectively, and wet return and condenser be threaded connection respectively in the both ends of barrel.

Through adopting above-mentioned technical scheme, filter equipment can filter the impurity of the aquatic of wet return inflow condenser, prevents that the impurity deposit of aquatic from in condenser and jam the water supply spool, guarantees the heating effect.

Preferably, the outer wall of the cylinder body is provided with a plurality of anti-skid protruding points.

Through adopting above-mentioned technical scheme, the friction between hand and the barrel can be increased to antiskid salient point, and when the operator dismantles and installs filter equipment and clear up, it is more laborsaving convenient.

Preferably, filter screen edge radially sets up the shrinkage pool that two openings deviate from the filter screen, has the stopper through control spring sliding connection in the shrinkage pool, and the barrel inner wall sets up the spacing hole with stopper sliding connection, and when control spring was original length, the stopper stretched into spacing hole.

Through adopting above-mentioned technical scheme, extrude the stopper, with the filter screen internal that slides into the barrel, spacing downthehole is gone into to the stopper bullet behind the pine hand, can install the filter screen and carry out impurity filtering in the barrel. Along with the increase of heating time, more impurity can be piled up in filter screen department, follows spacing downthehole roll-off with the stopper, can pull down the filter screen and clear up, improves filtration quality.

Preferably, one side that the condenser was kept away from to the stopper has set firmly the shifting block perpendicularly, offers on the lateral wall that the shrinkage pool is close to the shifting block with the groove of dialling of shrinkage pool intercommunication, the shifting block tip stretches out and dials groove and sliding connection in dialling the inslot.

Through adopting above-mentioned technical scheme, the operator directly stirs the shifting block, and the shifting block slides in dialling the groove, drives the stopper and slides in or the spacing hole of roll-off to realize the installation and the dismantlement of filter screen, convenient change and clearance.

Preferably, a heat-insulating cylinder is fixedly arranged on the outer wall of the connecting pipe between the compressor and the condenser, and a heating wire is fixedly arranged on the inner wall of the heat-insulating cylinder.

Through adopting above-mentioned technical scheme, the compressor compresses the refrigerant into high temperature high pressure state after, need flow to the condenser through the connecting pipe in, and a heat preservation section of thick bamboo and heater strip can prevent that the refrigerant from scattering and disappearing the heat at the connecting pipe flow in-process to can guarantee the refrigerant at the condenser to the heating effect of heating water.

Preferably, the condenser comprises a condensation pipe, and a heat dissipation layer is fixedly arranged on the outer wall of the condensation pipe.

By adopting the technical scheme, the heat dissipation layer can dissipate the heat in the refrigerant to the greatest extent, and the heating efficiency of the low-temperature water flowing into the condenser is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the refrigerant stored in the liquid storage tank firstly filters impurities through the filter, so that the connecting pipe is prevented from being blocked. The refrigerant absorbs heat through the evaporator, is compressed through the compressor to raise the temperature and pressure of the refrigerant, releases heat through the condenser, and finally returns to the evaporator through the expansion valve for the next cycle. The system can change low-temperature and low-pressure refrigerants into high-temperature and high-pressure refrigerants, and absorb and release heat through state conversion, so that the continuous heating of the heating water is completed, no atmospheric pollution is generated, and the environment is protected;

2. the barrel is connected in wet return and condenser junction, and the filter screen can filter the impurity of wet return inflow condenser aquatic, prevents that the impurity deposit of aquatic from in the condenser and blockking up the water supply spool. The shifting block is directly shifted and slides in the shifting groove to drive the limiting block to slide in or out of the limiting hole, so that the filter screen is mounted and dismounted, and is convenient to replace and clean;

3. the heat preservation cylinder and the heating wire are arranged outside the connecting pipe between the compressor and the condenser, so that heat loss of the refrigerant in the flowing process of the connecting pipe can be prevented, and the heating effect of the refrigerant on heating water at the condenser can be ensured.

Drawings

FIG. 1 is a schematic flow chart of a system according to an embodiment of the present application;

FIG. 2 is a schematic diagram of the connection of the compressor, condenser and receiver tank of an embodiment of the present application;

FIG. 3 is a schematic diagram of a portion of an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a condenser according to an embodiment of the present application;

fig. 5 is a partially enlarged view of a portion a in fig. 4.

Description of reference numerals: 1. a compressor; 2. a condenser; 21. a heat-insulating layer; 22. a water outlet pipe; 23. a water return pipe; 231. an internal thread; 24. a threaded hole; 25. a condenser tube; 251. a heat dissipation layer; 3. a liquid storage tank; 4. an expansion valve; 5. an evaporator; 6. a filter; 7. a filtration device; 71. a barrel; 711. an external thread; 712. anti-skid salient points; 713. a limiting hole; 72. a filter screen; 721. concave holes; 722. a control spring; 723. a limiting block; 7231. shifting blocks; 724. a groove is poked; 8. a heat-preserving cylinder; 81. heating wires; 9. and (4) connecting the pipes.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses an air source heat pump heating system. Referring to fig. 1, the air source heat pump heating system includes a compressor 1, a condenser 2, a liquid storage tank 3, a filter 6, an expansion valve 4, and an evaporator 5, wherein the compressor 1, the condenser 2, the liquid storage tank 3, the filter 6, the expansion valve 4, and the evaporator 5 are connected in sequence by a connection pipe 9 to form a loop. The liquid storage tank 3 is internally stored with a refrigerant, and the filter 6 can filter impurities in the refrigerant to prevent the connecting pipe 9 from being blocked. The refrigerant absorbs heat in air through the evaporator 5, is compressed through the compressor 1, does work through electric power to enable the temperature and the pressure of the refrigerant to be increased, releases heat through the condenser 2 to heat heating water, and finally returns to the evaporator 5 through the expansion valve 4. The air source heat pump heating system can change low-temperature and low-pressure refrigerants into high-temperature and high-pressure refrigerants, and absorbs and releases heat through state cycle conversion, so that continuous heating of heating water is completed, air pollution is avoided, and the environment can be protected.

Referring to fig. 2 and 3, the condenser 2 includes a condensation duct 25 (refer to fig. 4) and a housing, and the condensation duct 25 (refer to fig. 4) is located in the housing and filled with heating water therebetween. The outlet of the compressor 1 is connected with the inlet of the condenser pipe 25 (refer to fig. 4) through the connecting pipe 9, and the outlet of the condenser pipe 25 is connected with the inlet of the liquid storage tank 3 through the connecting pipe 9. The outer wall of a connecting pipe 9 between the compressor 1 and the condenser pipe 25 is provided with a heat preservation cylinder 8, and after the compressor 1 compresses the refrigerant into a high-temperature and high-pressure state, the refrigerant needs to flow into the condenser pipe 25 through the connecting pipe 9. The heat preservation cylinder 8 can prevent the heat dissipation of the refrigerant in the flowing process of the connecting pipe 9, thereby ensuring the heating effect of the refrigerant on the heating water at the condensing pipe 25.

Referring to fig. 3, the inner wall of the heat-insulating cylinder 8 is provided with a heating wire 81, the heating wire 81 is fixedly connected with the inner wall of the heat-insulating cylinder 8, and the heating wire 81 can heat the connecting pipe 9, so that the temperature of the refrigerant reaching the condensing pipe 25 is high, and the heating effect can be ensured.

Referring to fig. 4, a heat dissipation layer 251 is fixedly connected to an outer wall of the condensation pipe 25, and the heat dissipation layer 251 is heat dissipation silicone grease. The heat dissipation silicone grease can radiate heat in the refrigerant flowing through the condensation pipe 25 as much as possible, thereby improving the heating effect of the heating water.

Referring to fig. 1, a water inlet and a water outlet for the inlet and outlet of heating water are formed in the housing, the water outlet is connected with a water outlet pipe 22, the water inlet is connected with a water return pipe 23, hot water with increased temperature after absorbing heat flows out of the water outlet pipe 22 for heating, and heating water with decreased temperature flows into the housing again from the water return pipe 23 for heating.

Referring to fig. 4, the outer wall of the casing is fixedly connected with a heat insulating layer 21, the heat insulating layer 21 is made of aerogel felt, and the aerogel felt can reduce the heat of the refrigerant in the condenser pipe 25 to be dissipated into the air as much as possible, so that the heat emitted by the refrigerant is absorbed by the heating water more, and the heating effect is ensured.

Referring to fig. 4, a filtering device 7 is disposed at a connection position of the housing and the water return pipe 23, and the filtering device 7 can filter impurities in the heating water flowing into the housing, so as to prevent the heating pipe from being blocked, prevent the impurities from being deposited in the housing, and prolong the service life of the condenser 2.

Referring to fig. 4 and 5, the filter unit 7 includes a cylindrical drum 71 and a circular filter net 72, the drum 71 is screw-coupled between the housing and the return pipe 23, and the filter net 72 is positioned in the drum 71 and detachably coupled in the drum 71. When the number of the filtered impurities is increased, the cylinder 71 can be screwed off, and the filter screen 72 can be detached for replacement and cleaning.

Referring to fig. 4 and 5, the cylinder 71 has external threads 711 at both ends thereof, the return pipe 23 has internal threads 231 at an end thereof adjacent to the housing, and the housing has screw holes 24 formed in a sidewall thereof. The end of the return pipe 23 near the housing and the housing are respectively screwed with the cylinder 71, thereby facilitating the mounting and dismounting of the cylinder 71.

Referring to fig. 1 and 5, the outer wall of the cylinder 71 is provided with a plurality of anti-slip protrusions 712, and the anti-slip protrusions 712 are made of rubber. The anti-slip protruding points 712 can increase the friction force between the hand and the cylinder 71, and when the filter screen 72 needs to be cleaned, an operator holds the outer wall of the cylinder 71 to screw down the cylinder 71, which is more labor-saving and convenient.

Referring to fig. 5, two horizontal concave holes 721 are formed in the edge of the filter screen 72, openings of the two concave holes 721 deviate from the center of the filter screen 72 and are located on the same horizontal straight line, a limiting block 723 is slidably connected in the concave holes 721, and the limiting block 723 is connected to the bottom of the concave holes 721 through a control spring 722. The inner wall of the cylinder 71 is provided with a limiting hole 713 in sliding connection with the limiting block 723, the limiting block 723 is extruded, the control spring 722 is compressed, the limiting block 723 slides into the concave hole 721, the filter screen 72 slides into the cylinder 71 at the moment, the limiting block 723 slides into the limiting hole 713 after hands are loosened, and the filter screen 72 can be installed in the cylinder 71 to filter impurities.

Referring to fig. 5, when the control spring 722 is in an original length, the limiting block 723 extends into the limiting hole 713, so that the filter screen 72 can be stably installed in the cylinder 71 for filtering.

Referring to fig. 4 and 5, a shifting block 7231 is arranged on one side of the limiting block 723 away from the housing, the shifting block 7231 is vertically and fixedly connected to the limiting block 723, a shifting groove 724 is formed in the side wall of the concave hole 721 close to the shifting block 7231, the shifting groove 724 is communicated with the concave hole 721, and the end of the shifting block 7231 extends out of the shifting groove 724. Along with the increase of live time, more impurity is piled up in filter screen 72 department, and the operator can directly stir shifting block 7231, and shifting block 7231 slides in dialling groove 724, drives stopper 723 roll-off spacing hole 713 to pull down filter screen 72 and change and clear up, prolong filter equipment 7's life.

The implementation principle of the air source heat pump heating system in the embodiment of the application is as follows: the refrigerant firstly filters impurities through the filter 6, then absorbs heat in the air through the evaporator 5, is compressed through the compressor 1 to increase the temperature and the pressure of the refrigerant, releases heat through the condensation pipe 25 to heat the heating water, and finally returns to the evaporator 5 through the expansion valve 4. The filtering device 7 at the water return pipe 23 can filter impurities in the heating water to prevent the heating pipe from being blocked. The heat insulating layer 21 and the heating wires 81 can prevent the heat of the refrigerant compressed by the compressor 1 and then entering the condenser pipe 25 from being dissipated to some extent, and the heating effect is ensured.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an air source heat pump heating system, includes compressor (1), condenser (2), liquid storage pot (3), expansion valve (4) and evaporimeter (5), its characterized in that: the compressor (1), the condenser (2), the liquid storage tank (3), the expansion valve (4) and the evaporator (5) are sequentially connected through a connecting pipe (9) to form a loop, and a filter (6) is connected between the liquid storage tank (3) and the expansion valve (4).

2. An air-source heat pump heating system according to claim 1, characterized in that: the outer wall of the condenser (2) is fixedly provided with a heat preservation layer (21), and the condenser (2) is connected with a water outlet pipe (22) and a water return pipe (23).

3. An air-source heat pump heating system according to claim 2, characterized in that: condenser (2) and wet return (23) junction are provided with filter equipment (7), wet return (23) are close to the one end of condenser (2) and are equipped with internal thread (231), set up threaded hole (24) on condenser (2), filter equipment (7) include barrel (71) and filter screen (72), filter screen (72) can be dismantled and connect in barrel (71), the both ends of barrel (71) are equipped with external screw thread (711) respectively, wet return (23) and condenser (2) be threaded connection respectively in the both ends of barrel (71).

4. An air-source heat pump heating system according to claim 3, characterized in that: the outer wall of the cylinder body (71) is provided with a plurality of anti-skid protruding points (712).

5. An air-source heat pump heating system according to claim 3, characterized in that: two openings are radially opened at the edge of the filter screen (72) and deviated from a concave hole (721) of the filter screen (72), a limiting block (723) is connected in the concave hole (721) through a control spring (722) in a sliding manner, a limiting hole (713) which is connected with the limiting block (723) in a sliding manner is formed in the inner wall of the barrel body (71), and the limiting block (723) extends into the limiting hole (713) when the control spring (722) is in the original length.

6. An air-source heat pump heating system according to claim 5, characterized in that: one side of the limiting block (723) far away from the condenser (2) is vertically and fixedly provided with a shifting block (7231), the side wall of the concave hole (721) close to the shifting block (7231) is provided with a shifting groove (724) communicated with the concave hole (721), and the end part of the shifting block (7231) extends out of the shifting groove (724) and is connected into the shifting groove (724) in a sliding manner.

7. An air-source heat pump heating system according to claim 1, characterized in that: the heat-preserving device is characterized in that a heat-preserving cylinder (8) is fixedly arranged on the outer wall of a connecting pipe (9) between the compressor (1) and the condenser (2), and a heating wire (81) is fixedly arranged on the inner wall of the heat-preserving cylinder (8).

8. An air-source heat pump heating system according to claim 1, characterized in that: the condenser (2) comprises a condensing pipe (25), and a heat dissipation layer (251) is fixedly arranged on the outer wall of the condensing pipe (25).