Split type low-temperature variable-frequency heat pump

Abstract

The utility model discloses a split type low-temperature variable-frequency heat pump which comprises a shell, a base and a side plate and further comprises a convenient mechanism, the convenient mechanism is arranged on the inner wall of the opposite side of the shell, a sliding assembly and two mounting frames are fixed to the inner wall of the opposite side of the shell, a connecting groove is formed in the outer wall of one side of each mounting frame, and the side plate is arranged on the base. Two clamping plates are installed on the inner wall of the connecting groove through bearings, the outer walls of the bottoms of the clamping plates are connected to the inner wall of the bottom of the connecting groove through springs, four fixing blocks are fixed to the outer wall of one side of the side plate, and the fixing blocks are connected to the middle positions of the two clamping plates in an inserted mode; and the fixing mechanism is arranged on the outer wall of the bottom of the base. The split type low-temperature variable-frequency heat pump has the advantages of reducing maintenance difficulty and improving maintenance convenience and equipment installation stability.

Description

Technical Field

[0001] The utility model relates to the technical field of heat pumps, in particular to a split-type low-temperature variable-frequency heat pump. Background Art

[0002] The split-type low-temperature variable-frequency heat pump uses refrigerant to absorb low-temperature heat, raises its temperature through compression, and then releases high-temperature heat for heating or hot water use. Its core component is the low-temperature compressor, which can operate in a low-temperature environment of -25°C or even lower, thereby improving the applicability and energy efficiency of the heat pump system.

[0003] The patent document with application number 202121343614.1 discloses a split-type variable frequency heating heat pump, which belongs to the field of heating heat pump technology. The split-type variable frequency heating heat pump includes a mounting base, and a condenser is fixedly connected to one side of the upper surface of the mounting base, and an evaporator is fixedly connected to the side of the upper surface of the mounting base away from the condenser.

[0004] However, traditional split-type low-temperature variable-frequency heat pumps are divided into indoor and outdoor components. The outdoor components are exposed to the external environment for a long time, and the components are prone to aging, damage or dust accumulation, and need to be cleaned and inspected regularly. However, their structure is complex, the disassembly steps are cumbersome, and maintenance is difficult. In addition, the outdoor components are usually placed directly on the steel frame without fixing measures, which makes it difficult to cope with extreme weather (such as strong winds, heavy rains, etc.), and it is easy for the outdoor components to slip from the steel frame, causing damage to the equipment and posing a safety hazard. Utility Model Content

[0005] The utility model discloses a split-type low-temperature variable-frequency heat pump, which aims to solve the problem that outdoor components are exposed to the external environment for a long time, and the components are prone to aging, damage or dust accumulation, and need to be cleaned and inspected regularly. However, its structure is complex, the disassembly steps are cumbersome, and maintenance is difficult. In addition, the outdoor components are usually placed directly on the steel frame without fixing measures, which makes it difficult to cope with extreme weather (such as strong winds, heavy rains, etc.), and it is easy for the outdoor components to slip from the steel frame, causing damage to the equipment, and posing a technical problem of safety hazards.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A split-type low-temperature variable-frequency heat pump, comprising a housing, a base, and side panels, further comprising:

[0008] Convenient mechanism: The convenient mechanism is arranged on the inner wall of the opposite side of the shell, and a sliding assembly and two mounting brackets are fixed on the inner wall of the opposite side of the shell. A connecting groove is opened on the outer wall of one side of the mounting bracket, and two clamping plates are installed on the inner wall of the connecting groove through bearings. The bottom outer wall of the clamping plate is connected to the bottom inner wall of the connecting groove through a spring. Four fixing blocks are fixed on the outer wall of one side of the side plate, and the fixing block is inserted in the middle position of the two clamping plates;

[0009] Fixing mechanism: The fixing mechanism is arranged on the bottom outer wall of the base.

[0010] In this case, through the convenient mechanism, users can perform simple maintenance and inspection work by themselves without the need for additional tools or professional operation, thereby reducing maintenance costs and downtime. The clamping force generated by the spring of the splint firmly clamps the fixed block in the middle position, thereby realizing the installation of the side panel. It not only simplifies the installation process and improves maintenance efficiency, but also plays a role in buffering and shock absorption, effectively preventing the side panels from loosening or falling off during the operation of the heat pump, and further improving the stability and safety of the heat pump.

[0011] In a preferred solution, the sliding assembly includes a base plate and two mounting rods, the two mounting rods are respectively arranged on the inner walls of opposite sides of the shell, a mounting groove is provided on the outer wall of one side of the mounting rod, a limiting groove is provided on the bottom inner wall of the mounting groove, sliding rods are provided on the outer walls of both sides of the base plate, the sliding rods are slidably installed on the inner wall of the mounting groove, a protrusion is provided on the outer wall of one side of the sliding rod, and the protrusion is in contact with the limiting groove.

[0012] The position of the side panel can be adjusted using the sliding assembly according to actual needs to adapt to different maintenance environments or cleaning requirements. A protrusion (not shown in the figure) is set on the outer wall of one side of the sliding rod and contacts the limit groove. These components cooperate with each other to play a limiting role, which can prevent the base plate from sliding excessively or falling off during the maintenance process, thereby ensuring the stability and safety of the installation.

[0013] In a preferred embodiment, the fixing mechanism includes an assembly block, a fixing groove is provided on the bottom outer wall of the base, the assembly block is fixed to the inner wall of the fixing groove, an assembly groove is provided on one side outer wall of the assembly block, a slide groove and a guide groove are provided on the circumferential inner wall of the assembly groove, a fixing rod is slidably installed on the inner wall of the slide groove, one side outer wall of the fixing rod is connected to the bottom inner wall of the guide groove by a spring, one side outer wall of the assembly block is connected to a fixing plate by a bearing, and one end of the fixing plate is provided with a card slot.

[0014] The outdoor component is firmly fixed to the installation position through the fixing mechanism, which further improves the installation stability of the heat pump and effectively prevents the outdoor component from sliding or falling from the installation position under extreme weather conditions (such as strong winds, heavy rains, etc.), thereby reducing failures and maintenance costs caused by weather reasons.

[0015] As can be seen from the above, a split-type low-temperature variable-frequency heat pump includes a shell, a base, and side panels, and also includes: a convenient mechanism: the convenient mechanism is arranged on the inner wall of the opposite side of the shell, and a sliding assembly and two mounting brackets are fixed to the inner wall of the opposite side of the shell, a connecting groove is opened on the outer wall of one side of the mounting bracket, and two clamping plates are installed on the inner wall of the connecting groove through bearings, and the bottom outer wall of the clamping plate is connected to the bottom inner wall of the connecting groove by a spring, and four fixing blocks are fixed on the outer wall of one side of the side panel, and the fixing blocks are inserted in the middle position of the two clamping plates; a fixing mechanism: the fixing mechanism is arranged on the bottom outer wall of the base. The split-type low-temperature variable-frequency heat pump provided by the utility model has the technical effect of reducing the difficulty of maintenance, improving the convenience of maintenance and the stability of equipment installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a split-type low-temperature variable-frequency heat pump proposed in the utility model.

[0017] Figure 2 This is a schematic diagram of the expanded structure of a split-type low-temperature variable-frequency heat pump proposed in the present utility model.

[0018] Figure 3 This is a schematic diagram of the internal structure of a split-type low-temperature variable-frequency heat pump proposed by the utility model.

[0019] Figure 4 This is a schematic diagram of the partial structure of a split-type low-temperature variable-frequency heat pump proposed by the utility model.

[0020] Figure 5 This is a schematic diagram of the fixing mechanism of a split-type low-temperature variable-frequency heat pump proposed in the utility model.

[0021] In the accompanying drawings: 1. Shell; 2. Base; 3. Inner air vent; 4. Hot water tank; 5. Side panel; 6. Handle; 7. Knob; 8. Fixing plate; 9. Heat pump main assembly; 10. Slide rod; 11. Bottom plate; 12. Support frame; 13. Fixing block; 14. Mounting frame; 15. Mounting rod; 16. Mounting slot; 17. Clamp; 18. Fixing slot; 19. Assembly block; 20. Assembly slot; 21. Slide slot; 22. Fixing rod; 23. Push plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application generally described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work fall within the scope of protection of the present application.

[0023] The utility model discloses a split-type low-temperature variable-frequency heat pump mainly used for outdoor components exposed to the external environment for a long time. The components are prone to aging, damage or dust accumulation and need to be cleaned and inspected regularly. However, its structure is complex, the disassembly steps are cumbersome, and maintenance is difficult. In addition, the outdoor components are usually placed directly on the steel frame without fixing measures, which makes it difficult to cope with extreme weather (such as strong winds, heavy rains, etc.). It is easy for the outdoor components to slip from the steel frame, causing damage to the equipment and posing a safety hazard.

[0024] Reference Figure 1 、 Figure 2 and Figure 4 A split-type low-temperature variable-frequency heat pump comprises a housing 1, a base 2, and a side panel 5, and further comprises:

[0025] Convenient mechanism: The convenient mechanism is arranged on the inner wall of the opposite side of the shell 1. The inner wall of the opposite side of the shell 1 is fixed with a sliding assembly and two mounting brackets 14. A connecting groove is opened on the outer wall of one side of the mounting bracket 14. Two clamping plates 17 are installed on the inner wall of the connecting groove through bearings. The bottom outer wall of the clamping plate 17 is connected to the bottom inner wall of the connecting groove through a spring. Four fixing blocks 13 are fixed on the outer wall of one side of the side plate 5. The fixing block 13 is inserted in the middle position of the two clamping plates 17;

[0026] Fixing mechanism: The fixing mechanism is arranged on the bottom outer wall of the base 2.

[0027] In a specific embodiment, through a convenient mechanism, users can perform simple maintenance and inspection work on their own without the need for additional tools or professional personnel, thereby reducing maintenance costs and downtime. The clamping force generated by the spring of the splint 17 firmly clamps the fixed block 13 in the middle position, thereby realizing the installation of the side panel 5. This not only simplifies the installation process and improves maintenance efficiency, but also plays a role in buffering and shock absorption, effectively preventing the side panel 5 from loosening or falling off during the operation of the heat pump, and further improving the stability and safety of the heat pump.

[0028] Reference Figure 2 and Figure 3In a preferred embodiment, the sliding assembly includes a base plate 11 and two mounting rods 15, which are respectively arranged on the inner walls of opposite sides of the shell 1. A mounting groove 16 is opened on the outer wall of one side of the mounting rod 15, and a limiting groove is opened on the bottom inner wall of the mounting groove 16. Slide rods 10 are provided on the outer walls of both sides of the base plate 11. The slide rods 10 are slidably installed on the inner walls of the mounting groove 16. A protrusion is provided on the outer wall of one side of the slide rod 10, and the protrusion contacts the limiting groove.

[0029] The position of the side panel 5 can be adjusted using the sliding assembly according to actual needs to adapt to different maintenance environments or cleaning requirements. A protrusion (not shown in the figure) is set on the outer wall of one side of the slide rod 10 and contacts the limit groove. These components cooperate with each other to play a limiting role, which can prevent the bottom plate 11 from excessively sliding or falling off during the maintenance process, thereby ensuring the stability and safety of the installation.

[0030] Reference Figure 2 In a preferred embodiment, the bottom plate 11 is connected to the outer wall of one side of the side plate 5, two support frames 12 are provided on the top outer wall of the bottom plate 11, and the heat pump main body assembly 9 is provided in the middle position of the two support frames 12. A storage groove is opened on the bottom outer wall of the bottom plate 11, and a support rod is provided on the inner wall of the storage groove.

[0031] It should be noted that the heat pump main assembly 9 includes a compressor, a condenser, an evaporator, an expansion valve, a four-way reversing valve, etc. When in use, the high-temperature, high-pressure refrigerant gas discharged by the compressor is equipped with a high-pressure pressure controller on its exhaust pipe, flows through the four-way valve, and the circuit passes through the normally closed solenoid valve and the indoor air outlet 3 stop valve, and then enters the indoor heat exchanger. The high-pressure refrigerant liquid flows through the liquid reservoir, which is equipped with a needle valve for vacuuming, and then passes through the filter and enters the main electronic expansion valve for throttling and pressure reduction. After it becomes a gas-liquid mixture, it also enters the fin evaporator. The fin The fin evaporator is equipped with a forced suction axial flow fan. In the fin evaporator, the refrigerant in the main circuit absorbs the heat in the low-temperature environment and becomes a low-pressure gas. It passes through the four-way valve and is then sucked into the compressor suction port. Another set of pipeline loops and the pipeline loops are not synchronized and only give priority to hot water. Its operating process is that the high-temperature and high-pressure refrigerant gas discharged by the compressor is equipped with a high-pressure pressure controller on its exhaust pipe. It flows through the circuit through the four-way valve, the normally closed solenoid valve and the hot water tank 4 stop valve, and then enters the water tank. The high-pressure refrigerant liquid coming out of the disc heat exchanger flows through the liquid receiver. The liquid reservoir is equipped with a needle valve for vacuuming, and then passes through the filter and enters the main electronic expansion valve for throttling and pressure reduction, and then becomes a gas-liquid mixture and enters the fin evaporator. The fin evaporator is equipped with a forced suction axial flow fan. In the fin evaporator, the refrigerant in the main circuit absorbs the heat in the low-temperature environment and becomes a low-pressure gas, which passes through the four-way valve and is then sucked into the compressor suction port. When cooling is required, the high-temperature, high-pressure refrigerant gas discharged by the compressor is equipped with a high-pressure pressure controller on its exhaust pipe, and flows through the fin evaporator through the four-way valve. The refrigerant in the main circuit of the forced suction axial flow fan absorbs the heat in the low-temperature environment and becomes a medium-pressure gas. It passes through the filter and enters the main electronic expansion valve for throttling and pressure reduction, and then becomes a gas-liquid mixture and flows through the liquid reservoir. The liquid reservoir is equipped with a needle valve for vacuuming. After passing through the filter, it passes through the indoor unit air outlet 3 stop valve and enters the indoor unit air outlet 3 heat exchanger. The turbine fan of the indoor unit air outlet 3 brings the cold air to the room. After passing through the indoor unit air outlet 3 heat exchanger, it passes through the indoor unit air outlet 3 stop valve, flows through the normally closed solenoid valve, passes through the four-way valve, and is then sucked into the compressor suction port for recirculation.

[0032] Reference Figure 1 and Figure 5 In a preferred embodiment, the fixing mechanism includes an assembly block 19, a fixing groove 18 is provided on the bottom outer wall of the base 2, and the assembly block 19 is fixed to the inner wall of the fixing groove 18. An assembly groove 20 is provided on one side outer wall of the assembly block 19, and a slide groove 21 and a guide groove are provided on the circumferential inner wall of the assembly groove 20. A fixing rod 22 is slidably installed on the inner wall of the slide groove 21, and one side outer wall of the fixing rod 22 is connected to the bottom inner wall of the guide groove through a spring. A fixing plate 8 is connected to the outer wall of one side of the assembly block 19 through a bearing, and a card slot is provided at one end of the fixing plate 8, which is used in conjunction with the fixing rod 22.

[0033] The outdoor component is firmly fixed to the installation position through the fixing mechanism, which further improves the installation stability of the heat pump and effectively prevents the outdoor component from sliding or falling from the installation position under extreme weather conditions (such as strong winds, heavy rains, etc.), thereby reducing failures and maintenance costs caused by weather reasons.

[0034] Reference Figure 5 In a preferred embodiment, a round shaft is mounted on the inner wall of the assembly groove 20 through a bearing, a push plate 23 is provided on the outer wall of the round shaft, and a knob 7 is connected to one end of the round shaft; by rotating the knob 7, the push plate 23 can be driven to contact the fixing rod 22. After the spring is squeezed, the fixing rod 22 moves in the slide groove 21, and then the fixing plate 8 is closed. When the knob 7 is released, the spring automatically rebounds, and one end of the fixing rod 22 is pushed into the card slot, thereby firmly fixing the fixing plate 8 and realizing the fixed installation of the outdoor component. This design structure is stable and easy to operate.

[0035] Reference Figure 1 and Figure 3 In a preferred embodiment, the outer wall of the shell 1 is connected to the hot water tank 4 and the internal air outlet 3 through a pipe, and a handle 6 is provided on one side outer wall of the side panel 5.

[0036] By connecting the hot water tank 4 to the heat pump housing 1 through a pipe, the heating function of the heat pump can be maximized. The heat generated by the heat pump during the heating process can be effectively transferred to the hot water tank 4, thereby providing hot water supply for the user. The indoor air outlet 3 is an important component for transporting hot and cold air in the heat pump system, which can ensure that the hot and cold air generated by the heat pump can be smoothly transported to the room to meet the user's temperature regulation needs.

[0037] Working principle: When in use, the refrigerant is compressed into a high-temperature and high-pressure gas in the compressor of the heat pump main assembly 9, and then transmitted to the indoor unit. In the indoor unit, the refrigerant exchanges heat through the evaporator, absorbs the heat of the indoor air through the indoor air outlet 3 and reduces its temperature, thereby achieving a cooling effect. At the same time, the refrigerant changes from gas to liquid during the evaporation process, releasing a large amount of heat. This heat is then transmitted to the heat pump main assembly 9 and released to the outdoor air through the condenser. In the heating mode, the process is reversed. The evaporator in the heat pump main assembly 9 absorbs the heat in the outdoor air and compresses it into a high-temperature and high-pressure gas through the compressor. Then, this high-temperature and high-pressure gas is transmitted to the indoor unit and condensed. The heat released by the heat exchanger is transferred from the indoor air outlet 3 to the indoor air, thereby achieving a heating effect. When the outdoor component needs to be installed, it is only necessary to rotate the knob 7 to drive the push plate 23 to contact the fixing rod 22. After the spring is squeezed, the fixing rod 22 moves in the slide groove 21, and then the fixing plate 8 is closed. The knob 7 is released, the spring automatically rebounds, and one end of the fixing rod 22 is pushed into the slot, thereby firmly fixing the fixing plate 8 to achieve fixed installation of the outdoor component. When maintenance is required, pull the handle 6, the spring contracts, the fixing block 13 falls off from between the two splints 17, and the slide rod 10 slides to send the heat pump main assembly 9 to the maintenance position, open the support rod, and then perform maintenance work. After the maintenance is completed, push the side panel 5 back to its original position.

[0038] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. The replacements described may be partial structures, devices, or method steps, or they may be complete technical solutions. Any equivalent replacements or modifications based on the technical solution and the concept of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. A split-type low-temperature variable-frequency heat pump, comprising a housing (1), a base (2) and a side plate (5), characterized in that: Also includes: Convenient mechanism: The convenient mechanism is arranged on the inner wall of the opposite side of the shell (1), and a sliding component and two mounting brackets (14) are fixed on the inner wall of the opposite side of the shell (1), a connecting groove is opened on the outer wall of one side of the mounting bracket (14), two clamping plates (17) are installed on the inner wall of the connecting groove through bearings, the bottom outer wall of the clamping plate (17) is connected to the bottom inner wall of the connecting groove through a spring, and four fixing blocks (13) are fixed on the outer wall of one side of the side plate (5), and the fixing block (13) is inserted in the middle position of the two clamping plates (17); Fixing mechanism: The fixing mechanism is arranged on the bottom outer wall of the base (2).

2. A split-type low-temperature variable-frequency heat pump according to claim 1, characterized in that: The sliding assembly comprises a base plate (11) and two mounting rods (15), the two mounting rods (15) being respectively arranged on the inner wall of the opposite side of the housing (1), a mounting groove (16) being provided on the outer wall of one side of the mounting rod (15), a limiting groove being provided on the bottom inner wall of the mounting groove (16), a sliding rod (10) being provided on the outer walls of both sides of the base plate (11), the sliding rod (10) being slidably mounted on the inner wall of the mounting groove (16), a protrusion being provided on the outer wall of one side of the sliding rod (10), and the protrusion being in contact with the limiting groove.

3. A split-type low-temperature variable-frequency heat pump according to claim 2, characterized in that: The bottom plate (11) is connected to one side outer wall of the side plate (5); two support frames (12) are provided on the top outer wall of the bottom plate (11); a heat pump main body assembly (9) is provided in the middle position between the two support frames (12); a receiving groove is provided on the bottom outer wall of the bottom plate (11); and a support rod is provided on the inner wall of the receiving groove.

4. A split-type low-temperature variable-frequency heat pump according to claim 1, characterized in that: The fixing mechanism includes an assembly block (19), a fixing groove (18) is provided on the bottom outer wall of the base (2), the assembly block (19) is fixed on the inner wall of the fixing groove (18), an assembly groove (20) is provided on one side outer wall of the assembly block (19), a slide groove (21) and a guide groove are provided on the circumferential inner wall of the assembly groove (20), a fixing rod (22) is slidably mounted on the inner wall of the slide groove (21), one side outer wall of the fixing rod (22) is connected to the bottom inner wall of the guide groove through a spring, one side outer wall of the assembly block (19) is connected to a fixing plate 8 through a bearing, and one end of the fixing plate 8 is provided with a card slot.

5. A split-type low-temperature variable-frequency heat pump according to claim 4, characterized in that: A round shaft is mounted on the inner wall of the assembly groove (20) via a bearing, a push plate (23) is provided on the outer wall of the round shaft, and a knob (7) is externally connected to one end of the round shaft.

6. A split-type low-temperature variable-frequency heat pump according to claim 5, characterized in that: The clamping slot is used in conjunction with the fixing rod (22).

7. A split-type low-temperature variable-frequency heat pump according to claim 1, characterized in that: The outer wall of the shell (1) is connected to a hot water tank (4) and an internal air outlet (3) via a pipe, and a handle (6) is provided on one outer wall of the side panel (5).

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