CN219014502U

CN219014502U - Large-temperature-difference efficient air-cooled heat pump unit

Info

Publication number: CN219014502U
Application number: CN202222936942.3U
Authority: CN
Inventors: 陈铁虎; 傅曙光; 徐恩惠; 罗金花; 陈维菁; 冯兰
Original assignee: Zhejiang Maijin Environmental Technology Co ltd
Current assignee: Zhejiang Maijin Environmental Technology Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-05-12
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a large-temperature-difference efficient air-cooled heat pump unit, which relates to the technical field of air-cooled heat pump units and comprises a compressor, a second throttle valve and a worm gear, wherein one side of the compressor is connected with a regulating pipe, one side of the regulating pipe is connected with a gas-liquid separator, the upper part of the gas-liquid separator is connected with a four-way reversing valve, the lower part of the four-way reversing valve is connected with an air side heat exchanger, one side of the air side heat exchanger is provided with a first one-way valve, and the lower part of one side of the first one-way valve is connected with a liquid storage tank. According to the utility model, the worm is rotated by utilizing the rotary adjusting knob, the tooth blocks are meshed, the worm wheel drives the mounting rod to rotate simultaneously, then the mounting rod drives the baffle to rotate in the moving range, and the shielding area of the baffle on the flow hole is changed, so that the flow of the flow hole is adjusted, the refrigerating capacity or heating capacity can be adjusted as required, and the problem of inconvenient adjustment is solved.

Description

Large-temperature-difference efficient air-cooled heat pump unit

Technical Field

The utility model relates to the technical field of air-cooled heat pump units, in particular to a high-efficiency air-cooled heat pump unit with large temperature difference.

Background

The air-cooled heat pump unit is used for meeting the indoor temperature requirement through forced heat exchange, the air-cooled heat pump is mainly used in the household central air conditioning field, the large central air conditioner generally adopts a water-cooled heat pump unit, the working principle of the air-cooled heat pump unit is not separated, and the air-cooled heat pump unit is not convenient for adjusting the refrigerating capacity or heating capacity, so that the work is unstable, meanwhile, gas in and out of the compressor work does not have a structure for filtering the gas, dust enters the service performance of the compressor which is easy to influence, a filter screen is easy to block, and the filter screen is generally cleaned in a disassembling mode, but the work is complicated and inconvenient.

Disclosure of Invention

The utility model aims to provide a large-temperature-difference efficient air-cooled heat pump unit so as to solve the problems that the existing large-temperature-difference efficient air-cooled heat pump unit does not have the functions of adjusting the refrigerating capacity or heating capacity and prolonging the service life of a compressor in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-efficient forced air cooling heat pump unit of big difference in temperature, includes compressor, second choke valve and worm wheel, one side of compressor is connected with the governing pipe, one side of governing pipe is connected with the gas-liquid separator, the top of gas-liquid separator is connected with the cross switching-over valve, the below of cross switching-over valve is connected with the wind side heat exchanger, first check valve is installed to one side of wind side heat exchanger, the below of one side of first check valve is connected with the liquid storage pot, one side of liquid storage pot is connected with dry filter, dry filter's below is connected with the sight glass, one side of sight glass is connected with the second choke valve, the opposite side of sight glass is connected with first choke valve, one side of first check valve is connected with the second check valve, the top of second check valve one side is connected with the water side heat exchanger.

Preferably, the mounting rod is installed to the inner wall of adjusting pipe, the top of mounting rod is connected with the baffle, the fixed plate is installed to the inner wall of baffle top adjusting pipe, and one side of fixed plate is provided with the circulation hole.

By adopting the technical scheme, the size of shielding the convection hole is adjusted through the rotary baffle plate, so that the flow of the convection hole is adjusted.

Preferably, the inner wall of the adjusting pipe is provided with a limit groove, the outer wall of one side of the baffle is connected with the limit groove through the limit block, and the baffle forms a movable connection structure with the adjusting pipe through the limit block.

By adopting the technical scheme, the baffle rotates, and the limiting block moves in the limiting groove simultaneously, so that the effect of limiting and supporting the baffle is realized.

Preferably, the area of the baffle plate is equal to that of the fixed plate, and the center point of the baffle plate is the same as that of the fixed plate.

By adopting the technical scheme, the center points of the baffle plate and the fixed plate are the same, and shielding is always carried out in the rotating process.

Preferably, the worm wheel is installed to the outer wall below the installation pole, and installs the worm in one side of worm wheel, the one end of worm is connected with adjust knob, form meshing transmission structure between worm wheel and the worm.

By adopting the technical scheme, the worm wheel is meshed with the worm, so that the mechanical structure is stable, and the rotation is more stable.

Preferably, the top of baffle is connected with the bull stick, the top of bull stick is connected with the brush, the filter screen is installed to the inner wall of brush top regulation pipe.

By adopting the technical scheme, dust in the gas is filtered through the filter screen, so that the service performance of the compressor is prevented from being influenced.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The utility model provides the filter screen, the hairbrush and the mounting rod, the filter screen is used for filtering gas, dust is prevented from influencing the service performance of the compressor, the mounting rod drives the rotating rod to rotate simultaneously, the rotating rod drives the hairbrush to rotate so as to clean the filter holes of the filter screen, the filter screen is prevented from being blocked, the filter effect is further influenced, and the problem of poor service performance is solved;

(2) The utility model provides an adjusting knob, a worm and a circulation hole, wherein the worm is rotated by utilizing the rotating adjusting knob, the tooth blocks are meshed, the worm wheel drives the installation rod to rotate simultaneously, then the installation rod drives the baffle to rotate in the moving range, and the baffle changes the shielding area of the circulation hole, so that the flow of the circulation hole is adjusted, the refrigerating capacity or the heating capacity can be adjusted according to the requirement, and the problem of inconvenient adjustment is solved.

Drawings

FIG. 1 is a schematic diagram of a unit flow structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a regulator tube according to the present utility model;

FIG. 3 is a schematic top view of the baffle plate of the present utility model;

FIG. 4 is a schematic view of a three-dimensional structure of a regulating tube according to the present utility model.

In the figure: 1. a water side heat exchanger; 2. a compressor; 3. an adjusting tube; 4. an adjustment knob; 5. a four-way reversing valve; 6. a gas-liquid separator; 7. a wind side heat exchanger; 8. a first one-way valve; 9. a first throttle valve; 10. drying the filter; 11. a liquid viewing mirror; 12. a second throttle valve; 13. a liquid storage tank; 14. a second one-way valve; 15. a filter screen; 16. a brush; 17. a rotating rod; 18. a fixing plate; 19. a worm; 20. a worm wheel; 21. a mounting rod; 22. a baffle; 23. and a flow hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, the high-efficiency air-cooled heat pump unit with large temperature difference comprises a compressor 2, a second throttle valve 12 and a worm gear 20, wherein one side of the compressor 2 is connected with a regulating pipe 3, one side of the regulating pipe 3 is connected with a gas-liquid separator 6, the upper part of the gas-liquid separator 6 is connected with a four-way reversing valve 5, the lower part of the four-way reversing valve 5 is connected with an air side heat exchanger 7, one side of the air side heat exchanger 7 is provided with a first one-way valve 8, the lower part of one side of the first one-way valve 8 is connected with a liquid storage tank 13, one side of the liquid storage tank 13 is connected with a drying filter 10, the lower part of the drying filter 10 is connected with a liquid viewing mirror 11, one side of the liquid viewing mirror 11 is connected with a second throttle valve 12, the other side of the liquid viewing mirror 11 is connected with a first throttle valve 9, one side of the first one-way valve 8 is connected with a second one-way valve 14, and the upper part of one side of the second one-way valve 14 is connected with the water side heat exchanger 1;

the inner wall of the adjusting pipe 3 is provided with an installing rod 21, the top end of the installing rod 21 is connected with a baffle 22, the inner wall of the adjusting pipe 3 above the baffle 22 is provided with a fixed plate 18, and one side of the fixed plate 18 is provided with a circulation hole 23;

the inner wall of the adjusting pipe 3 is provided with a limit groove, the outer wall of one side of the baffle 22 is connected with the limit groove through a limit block, and the baffle 22 forms a movable connection structure with the adjusting pipe 3 through the limit block;

the area of the baffle 22 is equal to that of the fixed plate 18, and the center point of the baffle 22 and the fixed plate 18 are the same;

the outer wall below the mounting rod 21 is provided with a worm wheel 20, one side of the worm wheel 20 is provided with a worm 19, one end of the worm 19 is connected with an adjusting knob 4, and a meshing transmission structure is formed between the worm wheel 20 and the worm 19;

specifically, as shown in fig. 2, 3 and 4, when the structure is used, the worm 19 is rotated by rotating the adjusting knob 4, the tooth blocks are meshed, the worm wheel 20 drives the mounting rod 21 to rotate simultaneously, then the mounting rod 21 drives the baffle 22 to rotate within a moving range, the shielding area of the baffle 22 to the flow through hole 23 is changed, so that the flow of the flow through hole 23 is adjusted, and the refrigerating capacity or the heating capacity can be adjusted as required.

Example 2: the top end of the baffle 22 is connected with a rotating rod 17, the top end of the rotating rod 17 is connected with a hairbrush 16, and a filter screen 15 is arranged on the inner wall of the adjusting pipe 3 above the hairbrush 16;

specifically, as shown in fig. 2, when the structure is used, gas is filtered through the filter screen 15, dust is prevented from affecting the service performance of the compressor 2, the rotating rod 17 is driven to rotate simultaneously through the mounting rod 21, the rotating rod 17 drives the brush 16 to rotate to clean the filter holes of the filter screen 15, and the filter screen 15 is prevented from being blocked, so that the filtering effect is affected.

Working principle: when the device is used, in the refrigeration cycle operation, firstly, the high-temperature high-pressure gaseous refrigerant discharged by the compressor 2 enters an exhaust inlet of the four-way reversing valve 5, is switched by the four-way reversing valve 5, enters the air-side heat exchanger 7 to release heat to heat outdoor air, is condensed into supercooled or saturated liquid refrigerant, then sequentially passes through the first one-way valve 8, the drying filter 10 and the liquid-viewing mirror 11, enters the second throttle valve 12, is changed into medium-temperature medium-pressure gas-liquid two-phase refrigerant after throttling adjustment of the second throttle valve 12, then absorbs the heat of the secondary refrigerant introduced by the pump or the fan through the water-side heat exchanger 1, is evaporated into low-pressure superheated refrigerant steam, then enters the gas-liquid separator 6 to carry out gas-liquid separation after being switched by the four-way reversing valve 5, and the separated low-pressure gaseous refrigerant enters an air suction port of the compressor 2, is discharged into the high-temperature high-pressure gaseous refrigerant after being compressed by the compressor 2, and then enters the next cycle;

in the heating circulation work, the high-temperature high-pressure gaseous refrigerant discharged by the compressor 2 enters an exhaust inlet of the four-way reversing valve 5, is switched by the four-way reversing valve 5, enters the water side heat exchanger 1 to release heat to heat the refrigerating fluid introduced by the pump or the fan, is condensed into supercooled or saturated liquid refrigerant, then sequentially passes through the second one-way valve 14, the drying filter 10 and the liquid mirror 11, enters the first throttle valve 9, is changed into medium-temperature medium-pressure gas-liquid two-phase refrigerant after being throttled by the first throttle valve 9, absorbs the heat of the introduced outdoor air, is evaporated into low-pressure superheated refrigerant steam by the wind side heat exchanger 7, then enters the gas-liquid separator 6 to carry out gas-liquid separation after being switched by the four-way reversing valve 5, and the separated low-pressure gaseous refrigerant enters the air suction port of the compressor 2 to be discharged after being compressed by the compressor 2;

the first innovation point implements the steps of:

the worm 19 is rotated by rotating the adjusting knob 4, the gear blocks are meshed, the worm wheel 20 drives the mounting rod 21 to rotate simultaneously, then the mounting rod 21 drives the baffle 22 to rotate within a moving range, the shielding area of the baffle 22 to the flow holes 23 is changed, accordingly, the flow of the flow holes 23 is adjusted, and the refrigerating capacity or the heating capacity can be adjusted as required.

The second innovation point implementation step:

the gas is filtered through the filter screen 15, so that dust is prevented from affecting the service performance of the compressor 2, the rotating rod 17 is driven to rotate simultaneously through the mounting rod 21, the rotating rod 17 drives the brush 16 to rotate to clean the filter holes of the filter screen 15, and the filter screen 15 is prevented from being blocked, so that the filtering effect is affected.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The high-efficiency air-cooled heat pump unit with large temperature difference comprises a compressor (2), a second throttle valve (12) and a worm wheel (20), and is characterized in that: one side of compressor (2) is connected with governing pipe (3), one side of governing pipe (3) is connected with vapour and liquid separator (6), the top of vapour and liquid separator (6) is connected with cross reversing valve (5), the below of cross reversing valve (5) is connected with wind side heat exchanger (7), first check valve (8) are installed to one side of wind side heat exchanger (7), the below of one side of first check valve (8) is connected with reservoir (13), one side of reservoir (13) is connected with drier-filter (10), the below of drier-filter (10) is connected with look liquid mirror (11), one side of looking liquid mirror (11) is connected with second choke valve (12), the opposite side of looking liquid mirror (11) is connected with first choke valve (9), one side of first check valve (8) is connected with second check valve (14), the top of second check valve (14) one side is connected with water side heat exchanger (1).

2. The large temperature difference efficient air-cooled heat pump unit according to claim 1, wherein: the inner wall of the adjusting pipe (3) is provided with a mounting rod (21), the top end of the mounting rod (21) is connected with a baffle plate (22), the inner wall of the adjusting pipe (3) above the baffle plate (22) is provided with a fixing plate (18), and one side of the fixing plate (18) is provided with a flow hole (23).

3. The large temperature difference efficient air-cooled heat pump unit according to claim 2, wherein: the inner wall of the adjusting pipe (3) is provided with a limiting groove, the outer wall of one side of the baffle plate (22) is connected with the limiting groove through the limiting block, and the baffle plate (22) forms a movable connection structure with the adjusting pipe (3) through the limiting block.

4. The large temperature difference efficient air-cooled heat pump unit according to claim 2, wherein: the area of the baffle plate (22) is equal to that of the fixed plate (18), and the center point of the baffle plate (22) is the same as that of the fixed plate (18).

5. The large temperature difference efficient air-cooled heat pump unit according to claim 2, wherein: the outer wall below the installation rod (21) is installed a worm wheel (20), one side of the worm wheel (20) is provided with a worm (19), one end of the worm (19) is connected with an adjusting knob (4), and a meshing transmission structure is formed between the worm wheel (20) and the worm (19).

6. The large temperature difference efficient air-cooled heat pump unit according to claim 2, wherein: the top of baffle (22) is connected with bull stick (17), the top of bull stick (17) is connected with brush (16), filter screen (15) are installed to the inner wall of brush (16) top regulation pipe (3).