Heat recovery device for air conditioner

By opening an air intake grid on the main housing of the air conditioner and installing a heat recovery device, combined with the design of the heat dissipation fan, the problem of heat recovery devices affecting the heat dissipation efficiency in the prior art is solved, and more efficient heat energy recovery and safe and stable operation of the air conditioning system are achieved.

CN223036579UActive Publication Date: 2025-06-27TIANJIN YANBIN REFRIGERATION MECHANICAL & ELECTRICAL INSTALLATION ENGINEERING CO LTD
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Patent Information

Application Number
CN202421413776.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-06-27
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

The existing heat recovery device of air conditioners performs heat exchange in the condenser, resulting in a decrease in heat dissipation efficiency and affecting the normal operation of the air conditioner.

Method used

A heat recovery device for air conditioners is designed. By opening an air intake grid on the left and right side walls of the mainframe housing, and combining a heat dissipation fan to cool the cooler, the hot air is blown towards the heat recovery device, thereby increasing the temperature of the heat recovery device and realizing heat energy recovery.

Benefits of technology

It improves the heat energy recovery efficiency of the heat recovery device, reduces the dissipation of the heat energy, ensures the cooling effect of the cooler, and improves the operation safety of the air conditioner compressor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a heat recovery device for an air conditioner, belongs to the field of heat energy recovery of air conditioners, and aims to solve the problems that the heat exchange mode and the heat dissipation efficiency of a condenser are influenced and normal work is influenced. A protective cover is fixedly installed on the outer wall of the front side of the main machine shell, a heat recoverer is fixedly installed on the outer wall of the front side of the main machine shell in the protective cover, a cooler is fixedly installed on the inner wall of the front side of the main machine shell corresponding to the heat recoverer, and an air conditioner compressor is fixedly installed on the left rear side in the main machine shell. A regulation box is fixedly mounted at the top of the right inner wall of the host shell; according to the heat recovery device for the air conditioner, the air inlet meshes are arranged on the left side wall and the right side wall of the main machine shell so that sufficient external air can be provided for the interior of the main machine shell, heat dissipation and cooling operation can be conducted on air conditioner compressor oil and Xinning flowing in the cooler under the cooperation of the cooling fan, operation of an air conditioner compressor can be better guaranteed, and the service life of the air conditioner is prolonged. And the internal temperature of the host shell is controlled, so that the use safety is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of heat energy recovery of air conditioners, and particularly relates to a heat recovery device for an air conditioner. Background Art

[0002] With the continuous development of technology and the popularization of the application of air conditioners, people have put forward higher energy efficiency requirements for air conditioners. Against the background of energy conservation and emission reduction, improving energy utilization efficiency has become the current focus of attention. The heat released by the condenser of traditional air conditioners is usually directly released into the external air without being utilized, resulting in energy waste. The existing heat recovery devices for air conditioners use the method of heat exchange in the condenser, which will affect the heat dissipation efficiency of the condenser, cause the temperature inside the outdoor unit of the air conditioner to rise, and the overall heat dissipation effect to decline, thus affecting the normal operation of the air conditioner. Content of the Utility Model

[0003] In view of this, the utility model aims to provide a heat recovery device for an air conditioner to solve the problem that the existing heat recovery device for an air conditioner uses the heat exchange method in the condenser, resulting in the influence on the heat dissipation efficiency and thus affecting the normal operation of the air conditioner as mentioned in the above background art.

[0004] To achieve the above object, the technical solution of the utility model is realized as follows:

[0005] A heat recovery device for an air conditioner.

[0006] Further, it includes a main machine housing; a protective cover is fixedly installed on the front outer wall of the main machine housing, a heat recovery device is fixedly installed on the front outer wall of the main machine housing inside the protective cover, a cooler is fixedly installed on the front inner wall of the main machine housing corresponding to the heat recovery device, an air conditioner compressor is fixedly installed on the left rear side inside the main machine housing, and a regulation box is fixedly installed on the top of the right inner wall of the main machine housing.

[0007] Further, intake grilles are provided on the entire left side wall and the bottom of the right side wall of the main machine housing, two trapezoidal fixed bases are symmetrically provided at the bottom of the main machine housing, a fan installation opening is provided on the left side of the front side wall of the main machine housing, and a cooling fan is rotatably connected in the fan installation opening.

[0008] Further, heat recovery devices and coolers are fixedly installed on the inner and outer side walls of the main machine housing on the front and rear sides of the cooling fan rotatably connected to the main machine housing. The heat recovery devices and the coolers have similar structures, the installation directions of the heat recovery devices and the coolers are opposite, the interiors of the heat recovery devices and the coolers are hollow, and the heat recovery devices and the coolers are both fixedly connected to the side walls of the main machine housing by bolts.

[0009] Further, air outlet ducts are equidistantly arranged on the left and right side walls of the heat recovery device. An internal flow guiding partition is arranged in the middle of the air outlet duct. Both the left and right sides of the internal flow guiding partition are arc-shaped, and the tip of the internal flow guiding partition faces the cooling fan. A liquid inlet pipe is connected to the bottom of the right side wall of the heat recovery device, and a liquid outlet pipe is connected to the top of the right side wall of the heat recovery device. Both the liquid inlet pipe and the liquid outlet pipe penetrate through the front side wall of the main machine housing and are connected to the control box.

[0010] Further, a circulation pump is fixedly connected to the liquid inlet pipe of the heat recovery device inside the control box, and a solenoid valve is fixedly connected to the liquid outlet pipe of the heat recovery device inside the control box.

[0011] Further, two circulation inlet pipes and two circulation outlet pipes are symmetrically connected to the top and bottom of the air conditioner compressor respectively. The circulation inlet pipes and the circulation outlet pipes are respectively connected to the top and bottom of the cooler.

[0012] Compared with the prior art, the heat recovery device for an air conditioner of the present utility model has the following

[0013] Advantages:

[0014] 1. By providing air intake grilles on the left and right side walls of the main machine housing, sufficient external air can be provided inside the main machine housing, so as to cool the air-conditioning compressor oil flowing in the cooler in cooperation with the cooling fan, so as to better ensure the operation of the air conditioner compressor and control the internal temperature of the main machine housing, improving the use safety.

[0015] 2. By fixedly installing a heat recovery device and a cooler on the inner and outer side walls of the main machine housing on the front and rear sides of the cooling fan, the cooler can be cooled by the cooling fan while the hot air is blown towards the heat recovery device, thereby increasing the temperature of the heat recovery device, so as to recover heat energy through the heat recovery device, facilitating the increase of the heat energy recovery efficiency of the heat recovery device while ensuring the cooling effect of the cooler.

[0016] 3. By providing an air outlet duct in the heat recovery device in cooperation with the internal flow guiding partition, the contact area between the heat recovery device and the hot air can be better increased, so as to better improve the heat energy recovery efficiency, reduce the dissipation of heat energy, and reduce the influence on the passage of hot air. The liquid inside the heat recovery device enters the heat recovery device through the liquid inlet pipe by the circulation pump, and then is discharged through the liquid outlet pipe and the solenoid valve, so as to adopt an overflow method inside the heat recovery device, so as to better increase the heat exchange temperature and ensure the stability of heat exchange. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which form a part of the present utility model, are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0018] Figure 1 is a schematic axonometric view of the right front side of the present utility model;

[0019] Figure 2 is a schematic view of the overall disassembled structure of the present utility model;

[0020] Figure 3 is a schematic view of the structure of the present utility model with the protective cover removed;

[0021] Figure 4 is a schematic view of the structure of the present utility model with the main machine housing removed;

[0022] Figure 5 is a schematic cross-sectional view of the control box of the present utility model;

[0023] Figure 6 is a schematic cross-sectional view of the top of the main machine housing of the present utility model.

[0024] Description of the reference numerals:

[0025] 1 - Main machine housing; 101 - Air intake grille; 102 - Fixed base; 103 - Fan mounting opening; 2 - Cooling fan; 3 - Cooler; 4 - Air-conditioning compressor; 401 - Circulation inlet pipe; 402 - Circulation outlet pipe; 5 - Heat recovery unit; 501 - Outlet air duct; 502 - Inner flow guide partition; 503 - Inlet liquid pipe; 504 - Outlet liquid pipe; 6 - Control box; 7 - Circulation pump; 8 - Solenoid valve; 9 - Protective cover. Detailed implementation manners

[0026] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0027] The present utility model will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0028] Embodiment 1:

[0029] As shown in Attach Figure 1 to Attach Figure 6 shown:

[0030] The utility model provides a heat recovery device for an air conditioner, comprising: a main machine housing 1; a protective cover 9 is fixedly installed on the front outer wall of the main machine housing 1, a heat recovery device 5 is fixedly installed on the front outer wall of the main machine housing 1 inside the protective cover 9, a cooler 3 is fixedly installed on the front inner wall of the main machine housing 1 corresponding to the heat recovery device 5, an air conditioner compressor 4 is fixedly installed on the left rear side inside the main machine housing 1, a regulation box 6 is fixedly installed on the top of the right inner wall of the main machine housing 1, air intake grilles 101 are arranged on the whole left side wall and the bottom of the right side wall of the main machine housing 1, two trapezoidal fixed bases 102 are symmetrically arranged at the bottom of the main machine housing 1, a fan installation opening 103 is formed on the left side of the front side wall of the main machine housing 1, and a heat dissipation fan 2 is rotatably connected in the fan installation opening 103. Specifically, by arranging the air intake grilles 101 on the left and right side walls of the main machine housing 1, sufficient external air can be provided for the inside of the main machine housing 1, so that the oil of the air conditioner compressor 4 flowing in the cooler 3 can be cooled and dissipated heat under the cooperation of the heat dissipation fan 2, so as to better ensure the operation of the air conditioner compressor 4, control the internal temperature of the main machine housing 1, and improve the use safety.

[0031] Wherein, a heat recovery device 5 and a cooler 3 are fixedly installed on the inner and outer side walls of the main machine housing 1 on the front and rear sides of the heat dissipation fan 2 rotatably connected to the main machine housing 1. The heat recovery device 5 and the cooler 3 are similar in structure, and the installation directions of the heat recovery device 5 and the cooler 3 are opposite. The interiors of the heat recovery device 5 and the cooler 3 are both hollow, and the heat recovery device 5 and the cooler 3 are both fixedly connected to the side wall of the main machine housing 1 by bolts. Specifically, by fixedly installing the heat recovery device 5 and the cooler 3 on the inner and outer side walls of the main machine housing 1 on the front and rear sides of the heat dissipation fan 2, the cooler 3 can be cooled by the heat dissipation fan 2 while the hot air is blown towards the heat recovery device 5, so as to increase the temperature of the heat recovery device 5, so as to recover heat energy through the heat recovery device 5, and facilitate increasing the heat energy recovery efficiency of the heat recovery device 5 while ensuring the cooling effect of the cooler 3.

[0032] Among them, air outlet ducts 501 are equidistantly arranged on the left and right side walls of the heat recovery device 5. An internal diversion partition 502 is arranged in the middle of the air outlet duct 501. Both the left and right sides of the internal diversion partition 502 are arc-shaped, and the tip of the internal diversion partition 502 faces the heat dissipation fan 2. A liquid inlet pipe 503 is connected to the bottom of the right side wall of the heat recovery device 5, and a liquid outlet pipe 504 is connected to the top of the right side wall of the heat recovery device 5. Both the liquid inlet pipe 503 and the liquid outlet pipe 504 penetrate through the front side wall of the main machine housing 1 and are connected to the regulation box 6. A circulation pump 7 is fixedly connected to the liquid inlet pipe 503 of the heat recovery device 5 inside the regulation box 6, and a solenoid valve 8 is fixedly connected to the liquid outlet pipe 504 of the heat recovery device 5 inside the regulation box 6. Specifically, by arranging the air outlet duct 501 in the heat recovery device 5 and cooperating with the internal diversion partition 502 inside, the contact area between the heat recovery device 5 and the hot air can be better increased, so as to better improve the heat energy recovery efficiency, reduce the dissipation of heat energy, and reduce the influence on the passage of hot air. Moreover, the liquid inside the heat recovery device 5 enters the heat recovery device 5 through the liquid inlet pipe 503 by the circulation pump 7, and then is discharged through the liquid outlet pipe 504 and the solenoid valve 8, so as to adopt an overflow method inside the heat recovery device 5, so as to better increase the heat exchange temperature and ensure the stability of heat exchange.

[0033] Among them, two circulating inlet pipes 401 and circulating outlet pipes 402 are symmetrically connected to the top and bottom of the air conditioner compressor 4 respectively. The circulating inlet pipes 401 and the circulating outlet pipes 402 are respectively connected to the top and bottom of the cooler 3. Specifically, the air conditioner compressor 4 improves the circulation speed of the internal oil liquid through the two circulating inlet pipes 401 and the circulating outlet pipes 402, and can better improve the heat dissipation efficiency.

[0034] The specific usage method and function of this embodiment:

[0035] When using the heat recovery device for an air conditioner, intake grilles 101 are provided on the left and right side walls of the main unit housing 1 to supply sufficient external air to the inside of the main unit housing 1, so as to perform heat dissipation and cooling operations on the oil of the air-conditioning compressor 4 flowing in the cooler 3 with the cooperation of the cooling fan 2, in order to better ensure the operation of the air-conditioning compressor 4 and control the internal temperature of the main unit housing 1. The heat recovery device 5 and the cooler 3 are fixedly installed on the inner and outer side walls of the main unit housing 1 on both sides of the cooling fan 2, so that while the cooling fan 2 cools the cooler 3, the hot air is blown towards the heat recovery device 5, thereby increasing the temperature of the heat recovery device 5, so as to recover heat energy through the heat recovery device 5, facilitating the increase of the heat energy recovery efficiency of the heat recovery device 5 while ensuring the cooling effect of the cooler 3. By providing an air outlet duct 501 in the heat recovery device 5 and cooperating with the internal internal flow guiding partition 502, the contact area between the heat recovery device 5 and the hot air can be better increased, so as to better improve the heat energy recovery efficiency, reduce the dissipation of heat energy, and reduce the influence on the passage of hot air. The liquid inside the heat recovery device 5 enters the heat recovery device 5 through the liquid inlet pipe 503 by the circulating pump 7, and then is discharged through the liquid outlet pipe 504 and the solenoid valve 8, so as to adopt an overflow method inside the heat recovery device 5, so as to better increase the heat exchange temperature and ensure the stability of heat exchange. The air-conditioning compressor 4 improves the circulation speed of the internal oil through two circulating inlet pipes 401 and a circulating outlet pipe 402, which can better improve the heat dissipation efficiency.

[0036] Embodiment 2:

[0037] By symmetrically arranging the cooling fans 2, the number of the heat recovery devices 5 and the coolers 3 can be correspondingly increased, further improving the space utilization rate inside the main unit housing 1, so as to improve the heat dissipation and heat recovery efficiency, reduce the number of installed air conditioners, and reduce the space occupation.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered by the scope of the claims and the description of the present invention.

[0039] The above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A heat recovery device for an air conditioner, characterized in that: The invention comprises a main engine housing (1); a protective cover (9) is fixedly mounted on the front outer wall of the main engine housing (1); a heat recovery device (5) is fixedly mounted on the front outer wall of the main engine housing (1) inside the protective cover (9); a cooler (3) is fixedly mounted on the front inner wall of the main engine housing (1) corresponding to the heat recovery device (5); an air conditioning compressor (4) is fixedly mounted on the left rear side of the main engine housing (1); and a control box (6) is fixedly mounted on the top of the right inner wall of the main engine housing (1).

2. The heat recovery device for an air conditioner according to claim 1, characterized in that: The entire left side wall and the bottom of the right side wall of the main housing (1) are provided with air intake grilles (101), the bottom of the main housing (1) is symmetrically provided with two trapezoidal fixed bases (102), and the left side of the front side wall of the main housing (1) is provided with a fan installation opening (103), and a heat dissipation fan (2) is rotatably connected to the fan installation opening (103).

3. The heat recovery device for an air conditioner according to claim 1, characterized in that: A heat recovery device (5) and a cooler (3) are fixedly mounted on the inner and outer side walls of the main housing (1) on both sides of the front and rear sides of the main housing (1) to which the cooling fan (2) is rotatably connected. The heat recovery device (5) and the cooler (3) have similar structures. The installation directions of the heat recovery device (5) and the cooler (3) are opposite. The insides of the heat recovery device (5) and the cooler (3) are both hollow. The heat recovery device (5) and the cooler (3) are fixedly connected to the side walls of the main housing (1) by bolts.

4. The heat recovery device for an air conditioner according to claim 3, characterized in that: The left and right side walls of the heat recovery device (5) are provided with air outlet ducts (501) at a medium distance, and an inner guide baffle (502) is provided in the middle of the air outlet duct (501). The left and right sides of the inner guide baffle (502) are both arc-shaped, and the tip of the inner guide baffle (502) faces the cooling fan (2). The bottom of the right side wall of the heat recovery device (5) is connected to a liquid inlet pipe (503), and the top of the right side wall of the heat recovery device (5) is connected to a liquid outlet pipe (504). The liquid inlet pipe (503) and the liquid outlet pipe (504) both pass through the front side wall of the main unit housing (1) and are connected to the control box (6).

5. The heat recovery device for an air conditioner according to claim 1, characterized in that: A circulation pump (7) is fixedly connected to the liquid inlet pipe (503) of the heat recovery device (5) inside the control box (6), and a solenoid valve (8) is fixedly connected to the liquid outlet pipe (504) of the heat recovery device (5) inside the control box (6).

6. The heat recovery device for an air conditioner according to claim 1, characterized in that: The top and bottom of the air-conditioning compressor (4) are symmetrically connected to two circulation inlet pipes (401) and circulation outlet pipes (402), and the circulation inlet pipes (401) and circulation outlet pipes (402) are respectively connected to the top and bottom of the cooler (3).