Waste heat recovery device based on heating ventilation air conditioning refrigeration device

Abstract

The utility model discloses a waste heat recovery device based on a heating ventilation air conditioner refrigeration device, which belongs to the technical field of waste heat recovery devices, and comprises an air conditioner outdoor unit, a heat dissipation port is arranged on one side of the air conditioner outdoor unit, and a shell is arranged on the outer side of the air conditioner outdoor unit corresponding to the heat dissipation port; when waste heat needs to be recycled, the outer side of the heat dissipation opening is sleeved with the shell through the sealing cover, then the screw rod is rotated, the screw rod drives the clamping frames to move towards the side of the air conditioner outdoor unit through threaded connection formed by the screw rod and the sliding block, the clamping frames on the four sides abut against the side wall of the air conditioner outdoor unit through the anti-skid pads, and the waste heat is recycled. The waste heat recovery device can be directly and additionally arranged on the existing air conditioner outdoor unit, then the waste heat recovery mechanism arranged in the shell is used for recovering heat discharged from the heat dissipation opening, the waste heat recovery device can be directly connected with the existing air conditioner outdoor unit, and heat of the existing air conditioner outdoor unit can be conveniently recycled.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery devices, in particular to a waste heat recovery device based on a heating, ventilation, air conditioning and refrigeration device. Background Art

[0002] HVAC is an air conditioner with heating, ventilation and air conditioning functions. Since the main functions of HVAC include heating, ventilation and air conditioning, and the air conditioner must have an external unit to discharge heat when cooling, in order to recover the waste heat, a waste heat recovery device for the air conditioning refrigeration unit is proposed.

[0003] The current waste heat recovery devices based on HVAC refrigeration devices, for example, a waste heat recovery device based on HVAC refrigeration devices proposed in Publication No.: CN218495308U, can realize heat exchange between hot air and water flow by providing an air intake duct and a heat exchange tube; by providing a force-bearing fan blade driven by wind, the connecting platform and the water flow driving blade are driven to rotate, thereby realizing the driving of the internal water flow, and pouring it on the air guide branch pipe, and can drive the water flow to complete the water circulation; by providing a hand-cranked generator, the reuse of wind power can be improved, and energy recovery can be improved. The waste heat recovery device based on the HVAC refrigeration device can improve the reuse of wind power and heat on the basis of waste heat recovery, and improve the recovery efficiency.

[0004] When the existing waste heat recovery device based on the HVAC refrigeration device is in use, although the heat of the air-conditioning outdoor unit is recovered and utilized through the heat exchange structure, the existing air-conditioning outdoor unit needs to be replaced to have the waste heat recovery function. The existing waste heat recovery device cannot be directly installed on the existing air-conditioning outdoor unit, which is inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to provide a waste heat recovery device based on a HVAC refrigeration device, which can be directly connected to an existing air-conditioning outdoor unit through the waste heat recovery device, thereby facilitating the recovery and utilization of heat from the existing air-conditioning outdoor unit.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a waste heat recovery device based on a HVAC refrigeration device, comprising an air conditioner outdoor unit, a heat dissipation port is provided on one side of the air conditioner outdoor unit, and a shell is provided on the outer side of the air conditioner outdoor unit corresponding to the heat dissipation port, wherein:

[0007] The shell is in contact with the air conditioner outdoor unit through a sealing cover, a waste heat recovery mechanism is arranged in the shell, and fixed brackets are symmetrically fixedly connected to the upper and lower sides of the shell, and a slide groove is provided on the side of the fixed bracket close to the air conditioner outdoor unit, and a slider is arranged in the slide groove;

[0008] A screw rod threadedly connected to the slider passes through the slide groove, one end of the screw rod passes through the interior of the fixed bracket and extends to the outside, the slider is fixedly connected to a clamping frame near the outside of the slide groove, and an anti-slip pad is installed on the inner side of the clamping frame near the end.

[0009] Preferably, the sealing cover is in the shape of a rectangular frame and is made of a rubber material, and is sleeved on the outer side of the heat dissipation port.

[0010] Preferably, the waste heat recovery mechanism includes a heat exchanger, which is installed on the inner side of the outer shell, and both ends of the heat exchanger are sealed and connected to the inner wall of the outer shell through sealing rings, and the ends of the heat exchanger are fixed to the outer shell by bolts. An exhaust port is opened on the side of the outer shell away from the outdoor unit of the air conditioner, and a protective grid is installed in the exhaust port. A water inlet pipe and a water outlet pipe are symmetrically connected in the middle of both sides of the outer shell.

[0011] Preferably, the heat exchanger is made of aluminum alloy material.

[0012] Preferably, the clamping frame is L-shaped, and the clamping frame is fixedly connected to the anti-slip pad by gluing.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. According to the utility model, when the air conditioner is working and cooling, the heat exchange element will release a large amount of heat to the outside, and the air conditioner outdoor unit will discharge the heat through the heat dissipation port through the fan. When the waste heat needs to be recovered, the outer shell is covered on the outside of the heat dissipation port through the sealing cover, and then the screw is rotated. The screw drives the clamping frame to move toward the side of the air conditioner outdoor unit through the threaded connection formed by the slider, so that the four-side clamping frames are against the side wall of the air conditioner outdoor unit through the anti-slip pad. The waste heat recovery device can be directly installed on the existing air conditioner outdoor unit, and then the heat discharged from the heat dissipation port is recovered by the waste heat recovery mechanism arranged in the shell. Through the waste heat recovery device, it can be directly connected to the existing air conditioner outdoor unit, so as to facilitate the recovery and utilization of the heat of the existing air conditioner outdoor unit.

[0015] 2. In the utility model, when the outer shell is connected to the outdoor unit of the air conditioner, the outer shell contacts the outdoor unit of the air conditioner through the sealing cover, and the sealing cover is sleeved on the outside of the heat dissipation port, so as to facilitate the sealed connection between the outer shell and the outdoor unit of the air conditioner, avoid the loss of heat through the gap between the outer shell and the outdoor unit of the air conditioner, and thus improve the recovery rate of waste heat to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the shell of the utility model;

[0018] Figure 3For this utility model Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0019] Figure 4 For this utility model Figure 1 Schematic diagram of the local enlarged structure at point B in the middle.

[0020] In the figure: 1. air conditioner outdoor unit; 2. heat dissipation port; 3. outer casing; 4. sealing cover; 5. heat exchanger; 6. sealing ring; 7. bolts; 8. exhaust port; 9. protective grid; 10. water inlet pipe; 11. water outlet pipe; 12. fixing bracket; 13. slide groove; 14. slider; 15. screw; 16. clamping frame; 17. anti-slip pad. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example:

[0023] See also Figures 1 to 4 The utility model provides a technical solution: a waste heat recovery device based on a HVAC refrigeration device, comprising an air conditioner outdoor unit 1, a heat dissipation port 2 is arranged on one side of the air conditioner outdoor unit 1, and a shell 3 is arranged on the outer side of the air conditioner outdoor unit 1 corresponding to the heat dissipation port 2, wherein,

[0024] The housing 3 is in contact with the air conditioner outdoor unit 1 through the sealing cover 4. A waste heat recovery mechanism is arranged in the housing 3. The upper and lower sides of the housing 3 are symmetrically fixedly connected with fixing brackets 12. The fixing bracket 12 is provided with a slide groove 13 on the side close to the air conditioner outdoor unit 1. A slider 14 is arranged in the slide groove 13.

[0025] A screw rod 15 threadedly connected to the slider 14 is passed through the slide groove 13, one end of the screw rod 15 passes through the interior of the fixed bracket 12 and extends to the outside, the slider 14 is fixedly connected to a clamping frame 16 near the outside of the slide groove 13, and an anti-slip pad 17 is installed on the inner side of the clamping frame 16 near the end;

[0026] When the air conditioner is working and cooling, the heat exchange element will release a large amount of heat to the outside. The air conditioner outdoor unit 1 discharges the heat through the heat dissipation port 2 through the fan. When the waste heat needs to be recovered, the shell 3 is covered on the outside of the heat dissipation port 2 through the sealing cover 4, and then the screw 15 is rotated. The screw 15 drives the clamping frame 16 to move toward the side of the air conditioner outdoor unit 1 through the threaded connection formed with the slider 14, so that the four-side clamping frames 16 are pressed against the side wall of the air conditioner outdoor unit 1 through the anti-slip pad 17. The waste heat recovery device can be directly installed on the existing air conditioner outdoor unit 1, and then the heat discharged from the heat dissipation port 2 is recovered by the waste heat recovery mechanism arranged in the shell 3. Through the waste heat recovery device, it can be directly connected to the existing air conditioner outdoor unit 1, so as to facilitate the recovery and utilization of the heat of the existing air conditioner outdoor unit 1.

[0027] See also Figures 1 to 4 The sealing cover 4 is in a rectangular frame shape and is made of rubber material. The sealing cover 4 is sleeved on the outside of the heat dissipation port 2. When the shell 3 is connected to the air conditioner outdoor unit 1, the shell 3 is in contact with the air conditioner outdoor unit 1 through the sealing cover 4. The sealing cover 4 is sleeved on the outside of the heat dissipation port 2, which facilitates the sealed connection between the shell 3 and the air conditioner outdoor unit 1, and prevents heat from being lost through the gap between the shell 3 and the air conditioner outdoor unit 1, thereby improving the waste heat recovery rate to a certain extent;

[0028] See also Figures 1 to 4 The waste heat recovery mechanism includes a heat exchanger 5, a heat exchanger 5 is installed on the inner side of the shell 3, both ends of the heat exchanger 5 are sealed and connected to the inner wall of the shell 3 through a sealing ring 6, and the end of the heat exchanger 5 is fixed to the shell 3 by a bolt 7. An exhaust port 8 is opened on the side of the shell 3 away from the air-conditioning outdoor unit 1, and a protective grid 9 is installed in the exhaust port 8. The middle parts of the two sides of the shell 3 are symmetrically connected with an inlet pipe 10 and a water outlet pipe 11. When the waste heat is recovered, the circulation pump controls the water flow to circulate in the shell 3 and the water tank. When the hot air passes through the shell 3, the hot air and the water flow are isolated by the heat exchanger 5. At the same time, the hot air and the water flow exchange heat through the heat exchanger 5. The heated hot water enters the water tank and can be used as domestic water, thereby facilitating the recovery and utilization of the waste heat of the air-conditioning outdoor unit 1.

[0029] See also Figures 1 to 4 The heat exchanger 5 is made of aluminum alloy material, the clamping frame 16 is L-shaped, and the clamping frame 16 is fixedly connected to the anti-slip pad 17 by gluing.

[0030] Working principle: This is a waste heat recovery device based on a HVAC refrigeration device. When the air conditioner is working and cooling, the heat exchange element will release a large amount of heat to the outside. The air conditioner outdoor unit 1 discharges the heat through the heat dissipation port 2 through the fan. When the waste heat needs to be recovered, the shell 3 is covered on the outside of the heat dissipation port 2 through the sealing cover 4, and then the screw 15 is rotated. The screw 15 drives the clamping frame 16 to move toward the side of the air conditioner outdoor unit 1 through the threaded connection formed with the slider 14, so that the four-side clamping frames 16 are against the side wall of the air conditioner outdoor unit 1 through the anti-slip pad 17. The waste heat recovery device can be directly installed on the existing air conditioner outdoor unit 1, and then the heat discharged from the heat dissipation port 2 is recovered through the waste heat recovery mechanism arranged in the shell 3. Through the waste heat recovery device, it can be directly connected to the existing air conditioner outdoor unit 1, so as to facilitate the recovery and utilization of the heat of the existing air conditioner outdoor unit 1;

[0031] When the shell 3 is connected to the air-conditioning outdoor unit 1, the shell 3 contacts the air-conditioning outdoor unit 1 through the sealing cover 4, and the sealing cover 4 is put on the outside of the heat dissipation port 2, so as to facilitate the sealed connection between the shell 3 and the air-conditioning outdoor unit 1, and avoid the heat loss through the gap between the shell 3 and the air-conditioning outdoor unit 1, thereby improving the waste heat recovery rate to a certain extent, and when the waste heat is recovered, the circulation pump controls the water flow to circulate in the shell 3 and the water tank, and when the hot air passes through the shell 3, the hot air and the water flow are isolated by the heat exchanger 5, and the hot air and the water flow are heat exchanged through the heat exchanger 5 at the same time, and the heated hot water enters the water tank and can be used as domestic water, thereby facilitating the recovery and utilization of the waste heat of the air-conditioning outdoor unit 1.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waste heat recovery device based on a HVAC refrigeration device, comprising an air conditioner outdoor unit (1), characterized in that: A heat dissipation port (2) is provided on one side of the air conditioner outdoor unit (1), and a housing (3) is provided on the outer side of the air conditioner outdoor unit (1) corresponding to the heat dissipation port (2), wherein: The shell (3) is in contact with the air conditioner outdoor unit (1) via a sealing cover (4); a waste heat recovery mechanism is provided in the shell (3); fixed brackets (12) are symmetrically fixedly connected to the upper and lower sides of the shell (3); a slide groove (13) is provided on the side of the fixed bracket (12) close to the air conditioner outdoor unit (1); a slider (14) is provided in the slide groove (13); A screw rod (15) threadedly connected to the slider (14) passes through the slide groove (13), one end of the screw rod (15) passes through the interior of the fixed bracket (12) and extends to the outside, the slider (14) is fixedly connected to a clamping frame (16) near the outside of the slide groove (13), and an anti-slip pad (17) is installed on the inner side of the clamping frame (16) near the end.

2. The waste heat recovery device based on a HVAC refrigeration device according to claim 1, characterized in that: The sealing cover (4) is in the shape of a rectangular frame and is made of a rubber material, and the sealing cover (4) is sleeved on the outside of the heat dissipation port (2).

3. The waste heat recovery device based on a HVAC refrigeration device according to claim 1, characterized in that: The waste heat recovery mechanism comprises a heat exchanger (5), the heat exchanger (5) is installed inside the shell (3), the two ends of the heat exchanger (5) are sealedly connected to the inner wall of the shell (3) through sealing rings (6), the ends of the heat exchanger (5) are fixedly installed to the shell (3) through bolts (7), an exhaust port (8) is provided on the side of the shell (3) away from the air conditioner outdoor unit (1), a protective grid (9) is installed inside the exhaust port (8), and a water inlet pipe (10) and a water outlet pipe (11) are symmetrically connected in the middle of the two sides of the shell (3).

4. The waste heat recovery device based on a HVAC refrigeration device according to claim 3 is characterized in that: The heat exchanger (5) is made of aluminum alloy material.

5. The waste heat recovery device based on a HVAC refrigeration device according to claim 1, characterized in that: The clamping frame (16) is L-shaped, and the clamping frame (16) is fixedly connected to the anti-slip pad (17) by gluing.

Images