Heating ventilation air conditioner waste heat recycling device
By designing the insulation box and related components, the problem of low filter plate replacement and drying efficiency of HVAC waste heat recovery device is solved, and rapid cleaning and efficient waste heat recovery and drying effect is achieved.
Patent Information
- Application Number
- CN202420273635.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-04
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-02-04
AI Technical Summary
The existing HVAC waste heat recovery and reuse device needs to be turned off when replacing the filter plate, which affects the waste heat recovery efficiency. The drying structure is complex and the bottom of the drying items cannot be heated, resulting in low drying efficiency.
A device including an insulation box, a filter chamber, a suction channel, a fan, a thermal conduction plate, a dust collecting box and an exhaust channel is designed. The filter plate is cleaned through the rapid disassembly and sliding design of the dust collecting box, and the thermal conduction plate is used. The fan transfers the waste heat to the bottom of the item to be dried, and uses the exhaust passage to achieve hot air drying on the surface of the item.
It realizes rapid cleaning without affecting the operation of the device, improves waste heat recovery and drying efficiency, and can heat the bottom of drying items and improves drying efficiency.
Smart Images
Figure CN222187252U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of waste heat recovery, in particular to a HVAC waste heat recovery and reuse device. Background Art
[0002] HVAC refers to the system or related equipment responsible for heating, ventilation and air conditioning in a room or car. The HVAC system can control the temperature and humidity of the air and improve the indoor comfort. It is an important part of medium and large buildings. In order to reduce the waste of resources, the waste heat generated by HVAC needs to be recovered and reused, which involves the use of waste heat recovery and reuse devices.
[0003] For example, publication number CN214581719U discloses a waste heat recovery and reuse device for HVAC, including a device body, an air inlet pipe and a hollow block, wherein a placement groove is provided at the bottom end inside the device body, and a cover plate is movably connected to one side of the bottom end outside the device body, the top end outside the device body is fixedly connected to the air inlet pipe, and a filter plate is movably connected to one side inside the air inlet pipe, both ends of one side outside the device body are fixedly connected to hollow blocks, and a control panel is installed in the middle position of one side outside the device body. The utility model uses a sleeve block fixedly connected to the top of the filter plate, and the sleeve block can drive the filter plate to be inserted into the limiting groove, so that the filter plate can enter the air inlet pipe. At this time, the limiting bolt can be rotated inside the fixing nut, and the limiting bolt can move inside the fixing nut, and the limiting bolt is inserted into the jack. When the suction fan recovers the warm air, the warm air will be filtered through the filter plate, thereby preventing the impurities in the gas from being sucked into the device body;
[0004] The HVAC waste heat recovery and reuse device in this utility model is more difficult to replace the filter plate, and the device needs to be shut down for operation, which affects the waste heat recovery efficiency of the device. Otherwise, impurities are likely to enter the interior of the device. At the same time, its drying structure is more complicated and cannot heat the bottom of the items to be dried, resulting in low drying efficiency. Utility Model Content
[0005] In view of the shortcomings of the prior art, the utility model provides a HVAC waste heat recovery and reuse device, which solves the problem that it is difficult to replace the filter plate of the HVAC waste heat recovery and reuse device, and the device needs to be shut down for operation, which affects the waste heat recovery efficiency of the device. Otherwise, impurities may easily enter the interior of the device. At the same time, its drying structure is relatively complicated and the bottom of the item to be dried cannot be heated, resulting in low drying efficiency.
[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a HVAC waste heat recovery and reuse device, comprising an insulation box, a filter bin is provided at the upper end of the insulation box, an air inlet pipe is connected to the side of the filter bin, an air suction channel is connected to the lower end of the filter bin, a fan is provided at the lower end of the air suction channel, a partition block is provided on the inner side of the filter bin, dust boxes are provided on the left and right sides of the partition block, a hook is provided at the rear end of the dust box, a sealing block is provided at the rear end of the hook, a heat conduction plate is fixedly installed at the lower end of the inner side of the insulation box, a wind bin is provided at the lower end of the heat conduction plate, an exhaust channel is provided on the right side of the wind bin, and a wind window is provided at the upper end of the exhaust channel.
[0007] Preferably, a box door is provided at the front end of the insulation box, the lower end of the filter bin is fixedly connected to the insulation box, and the air suction channel and the fan are fixedly connected to the interior of the insulation box to achieve sufficient insulation of the waste heat.
[0008] Preferably, the partition block is designed in an I-shaped structure and is fixedly connected to the inner side of the filter bin. The dust box is slidably connected to the inner side of the filter bin and the side of the partition block, and two of them are symmetrically arranged on the left and right. The front end of the dust box extends to the outer side of the filter bin and is fixedly installed with a sealing cover. The lower end of the inner side of the dust box is fixedly installed with a filter screen to achieve filtering and collection of impurities.
[0009] Preferably, the hook is fixedly connected to the rear end of the dust box and is designed to be an inclined structure. The front end of the sealing block is provided with an oblique groove and is adapted to the rear end of the dust box. The hook is slidably sleeved on the inner side of the oblique groove. The sealing block is slidably connected to the inner side of the filter bin and the side of the partition block, and is slidably sleeved on the rear end of the inner side of the filter bin through a movable groove, which facilitates the disassembly, assembly and cleaning of the dust box.
[0010] Preferably, the left side of the wind bin and the output end of the fan are connected to each other, the heat conduction plate is fixedly connected to the inner side of the insulation box and is adapted to the upper end of the wind bin, and the lower end of the heat conduction plate extends to the inner side of the wind bin and is provided with a heat conduction sheet to achieve heating of the bottom of the items to be dried.
[0011] Preferably, the lower end of the exhaust duct and the right side of the wind bin are connected to each other, the upper end of the exhaust duct and the right side of the wind window are connected to each other, and the left end of the wind window and the inner side of the insulation box are connected to each other, so as to achieve hot air drying of the items in the insulation box.
[0012] Beneficial Effects
[0013] The utility model provides a HVAC waste heat recovery and reuse device. Compared with the prior art, it has the following beneficial effects:
[0014] 1. The HVAC waste heat recovery and reuse device is provided with an insulation box, a filter bin, a movable groove, a dust box, a sealing cover, a hook, a sealing block, and an inclined groove. The sealing cover at the front end of the dust box on one side is pulled to drive the dust box on that side to move to the outside of the filter bin, so that the hook drives the sealing block to disengage from the movable groove and enter the inner side of the filter bin to seal that side. The dust box can be lifted obliquely to drive the hook to disengage from the inclined groove, thereby realizing rapid disassembly of the dust box and facilitating cleaning of the dust box. At this time, the airflow can pass through the dust box on the other side without affecting the operation of the device. Subsequently, the dust box on that side can be cleaned and reset, and the dust box on the other side can be taken out for cleaning by the same operation.
[0015] 2. The HVAC waste heat recovery and reuse device is equipped with an air suction channel, a fan, a heat conduction plate, a wind bin, an exhaust channel, and a wind window. The cleaned air flow passes through the fan from the air suction channel into the inner side of the wind bin, and transfers the waste heat to the bottom of the objects to be dried through the heat conduction plate to heat the objects. At the same time, the air flow passes through the wind bin into the exhaust channel and is discharged from the wind window, thereby achieving hot air drying of the surface of the objects and improving the drying efficiency of the objects. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0017] Figure 2 This is a schematic diagram of a half-section structure of the utility model in a front view;
[0018] Figure 3 It is a schematic diagram of a partial half-section structure of the utility model in the AA direction.
[0019] In the figure: 1. Insulation box; 2. Filter compartment; 21. Movable slot; 3. Air inlet pipe; 4. Air suction channel; 5. Fan; 6. Partition block; 7. Dust collection box; 71. Sealing cover; 72. Filter; 8. Hook; 9. Sealing block; 91. Inclined slot; 10. Heat conduction plate; 11. Wind compartment; 12. Exhaust channel; 13. Wind window. DETAILED DESCRIPTION
[0020] 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.
[0021] See also Figure 1-3The utility model provides a technical solution: a waste heat recovery and reuse device for heating, ventilation and air conditioning, comprising a heat preservation box 1, a filter bin 2 is arranged at the upper end of the heat preservation box 1, an air inlet pipe 3 is connected to the side of the filter bin 2, an air suction channel 4 is connected to the lower end of the filter bin 2, a fan 5 is arranged at the lower end of the air suction channel 4, a box door is arranged at the front end of the heat preservation box 1, the lower end of the filter bin 2 is fixedly connected to the heat preservation box 1, the air suction channel 4 and the fan 5 are fixedly connected to the inside of the heat preservation box 1, a partition block 6 is arranged on the inner side of the filter bin 2, and the left side of the partition block 6 Dust boxes 7 are arranged on the right sides, and the partition blocks 6 are designed in an I-shaped structure and are fixedly connected to the inner side of the filter bin 2. The dust boxes 7 are slidably connected to the inner side of the filter bin 2 and the sides of the partition blocks 6, and two of them are symmetrically arranged. The front end of the dust box 7 extends to the outer side of the filter bin 2 and is fixedly installed with a sealing cover 71. The lower end of the inner side of the dust box 7 is fixedly installed with a filter screen 72. The fan 5 drives the waste heat to enter the filter bin 2 from the air inlet pipe 3. After being filtered by the filter screen 72, the impurities are concentrated on the inner side of the dust box 7, so as to clean the airflow.
[0022] The rear end of the dust box 7 is provided with a hook 8, and the rear end of the hook 8 is provided with a sealing block 9. The hook 8 is fixedly connected to the rear end of the dust box 7 and is designed with an inclined structure. The front end of the sealing block 9 is provided with an inclined groove 91, and is adapted to the rear end of the dust box 7. The hook 8 and the inner side of the inclined groove 91 are slidably sleeved, and the sealing block 9 is slidably connected to the inner side of the filter bin 2 and the side of the partition block 6, and is slidably sleeved with the rear end of the inner side of the filter bin 2 through the movable groove 21. By pulling the sealing cover 71 at the front end of the dust box 7 on one side, the dust box 7 on that side is driven to move to the outside of the filter bin 2, so that the hook 8 drives the sealing block 9 to disengage from the movable groove 21 and enter the inner side of the filter bin 2 to block the side, and the dust box 7 can be lifted obliquely to drive the hook 8 to disengage from the inclined groove 91, so that the dust box 7 can be quickly disassembled, which is convenient for cleaning the dust box 7. At this time, the airflow can pass through the dust box 7 on the other side without affecting the operation of the device.
[0023] A heat conducting plate 10 is fixedly installed at the lower end of the inner side of the heat preservation box 1, and a wind bin 11 is arranged at the lower end of the heat conducting plate 10. The left side of the wind bin 11 is connected to the output end of the fan 5. The heat conducting plate 10 is fixedly connected to the inner side of the heat preservation box 1 and is adapted to the upper end of the wind bin 11. The lower end of the heat conducting plate 10 extends to the inner side of the wind bin 11 and a heat conducting sheet is arranged. An exhaust channel 12 is arranged on the right side of the wind bin 11. A wind window 13 is arranged at the upper end of the exhaust channel 12. The lower end of the exhaust channel 12 and the wind bin are connected. The right sides of 11 are connected to each other, the upper end of the exhaust duct 12 and the right side of the wind window 13 are connected to each other, the left end of the wind window 13 and the inner side of the heat preservation box body 1 are connected to each other, and the cleaned airflow enters the inner side of the wind bin 11 from the suction channel 4 through the fan 5, and transfers the residual heat to the bottom of the articles to be dried through the heat conduction plate 10 to heat the articles. At the same time, the airflow enters the exhaust duct 12 through the wind bin 11 and is discharged from the wind window 13, so as to realize hot air drying on the surface of the articles and improve the drying efficiency of the articles.
[0024] During use, after the articles to be dried are placed in the heat preservation box 1, the residual heat is driven by the fan 5 to enter the filter bin 2 from the air inlet pipe 3, and the impurities are concentrated on the inner side of the dust box 7 after being filtered by the filter screen 72, so that the air flow is cleaned. When the dust box 7 needs to be cleaned, the sealing cover 71 at the front end of the dust box 7 on one side is pulled to move the dust box 7 on that side to the outside of the filter bin 2, so that the hook 8 drives the sealing block 9 to disengage from the movable groove 21 and enter the inner side of the filter bin 2 to block the side. The dust box 7 can be lifted obliquely to drive the hook 8 to disengage from the inclined groove 91, so that the dust box can be cleaned. The quick disassembly of 7 facilitates the cleaning of the dust box 7. At this time, the airflow can pass through the dust box 7 on the other side without affecting the operation of the device. The dust box 7 on this side can be cleaned and reset later, and then the dust box 7 on the other side can be taken out for cleaning by the same operation. The cleaned airflow passes through the air suction channel 4 through the fan 5 and enters the inner side of the wind bin 11, and transfers the residual heat to the bottom of the article to be dried through the heat conduction plate 10 to heat the article. At the same time, the airflow passes through the wind bin 11 into the exhaust channel 12 and is discharged from the wind window 13, so as to realize the hot air drying of the surface of the article and improve the drying efficiency of the article.
[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0026] Although 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 heating, ventilation and air conditioning waste heat recovery and reuse device, comprising a heat-insulating box (1), characterized in that: The upper end of the heat preservation box (1) is provided with a filter chamber (2), the side of the filter chamber (2) is connected to an air inlet pipe (3), the lower end of the filter chamber (2) is connected to an air suction channel (4), the lower end of the air suction channel (4) is provided with a fan (5), the inner side of the filter chamber (2) is provided with a partition block (6), the left and right sides of the partition block (6) are provided with a dust collection box (7), the rear end of the dust collection box (7) is provided with a hook (8), the rear end of the hook (8) is provided with a sealing block (9), the lower end of the inner side of the heat preservation box (1) is fixedly installed with a heat conduction plate (10), the lower end of the heat conduction plate (10) is provided with a wind chamber (11), the right side of the wind chamber (11) is provided with an exhaust channel (12), and the upper end of the exhaust channel (12) is provided with a wind window (13).
2. The HVAC waste heat recovery and reuse device according to claim 1, characterized in that: The front end of the heat preservation box (1) is provided with a box door, the lower end of the filter chamber (2) is fixedly connected to the heat preservation box (1), and the air suction channel (4) and the fan (5) are both fixedly connected to the interior of the heat preservation box (1).
3. The HVAC waste heat recovery and reuse device according to claim 1, characterized in that: The partition block (6) is designed in an I-shaped structure and is fixedly connected to the inner side of the filter bin (2). The dust collecting box (7) is slidably connected to the inner side of the filter bin (2) and the side of the partition block (6), and two of them are symmetrically arranged on the left and right. The front end of the dust collecting box (7) extends to the outer side of the filter bin (2) and is fixedly installed with a sealing cover (71). The lower end of the inner side of the dust collecting box (7) is fixedly installed with a filter screen (72).
4. The HVAC waste heat recovery and reuse device according to claim 1, characterized in that: The hook (8) is fixedly connected to the rear end of the dust collecting box (7) and is designed to be inclined. The front end of the sealing block (9) is provided with an inclined groove (91) and is adapted to the rear end of the dust collecting box (7). The hook (8) is slidably sleeved on the inner side of the inclined groove (91). The sealing block (9) is slidably connected to the inner side of the filter bin (2) and the side of the partition block (6), and is slidably sleeved on the rear end of the inner side of the filter bin (2) through a movable groove (21).
5. The HVAC waste heat recovery and reuse device according to claim 1, characterized in that: The left side of the wind bin (11) and the output end of the fan (5) are connected to each other, the heat conducting plate (10) is fixedly connected to the inner side of the heat preservation box (1) and is adapted to the upper end of the wind bin (11), and the lower end of the heat conducting plate (10) extends to the inner side of the wind bin (11) and is provided with a heat conducting sheet.
6. The HVAC waste heat recovery and reuse device according to claim 1, characterized in that: The lower end of the exhaust passage (12) is connected to the right side of the wind chamber (11), the upper end of the exhaust passage (12) is connected to the right side of the wind window (13), and the left end of the wind window (13) is connected to the inner side of the heat preservation box (1).