Total heat exchange fresh air dehumidifier

Abstract

The total heat exchange fresh air dehumidifier comprises a machine body, a two-way screw rod is installed at the top end in the machine body, two sets of screw blocks are symmetrically arranged on the two-way screw rod in a sleeved mode, guide blocks are fixed to the upper ends of the screw blocks, and guide grooves are formed in the positions, corresponding to the guide blocks, of the inner wall of the top end of the machine body. The device has the advantages that by arranging the driving motor, the two-way screw, the screw block, the linkage plate and the bearing plate, when the device is overhauled, the total heat exchanger is separated from the exhaust outlet, the fresh air inlet, the fresh air outlet and the room air inlet only through the connecting pieces, then the driving motor drives the screw to rotate, and the total heat exchanger can be overhauled. The screw block moves under the action of threads, in the moving process, the linkage rod rotates along with the screw block, then the bearing plate is driven to move, the height of the device can be reduced, workers can conveniently overhaul the device, the overhaul efficiency is high, safety is high, and the using effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fresh air systems, in particular to a total heat exchange fresh air dehumidifier. Background Art

[0002] The central fresh air system is to improve the indoor air quality, timely discharge the toxic and harmful gases and dirty air in the room, introduce fresh outdoor air at the same time, effectively control the air volume, increase the energy recovery, block the environmental noise outside the room, create a healthy and good indoor high-quality living environment, and build an environmental protection system for healthy and energy-saving houses for residents. The fresh air system has high ventilation efficiency and can update all the dirty air in the room with fresh outdoor air within several hours, thus ensuring the freshness of the indoor air.

[0003] In the process of using the existing total heat exchange fresh air dehumidifier, a ceiling-mounted design is mostly adopted. Therefore, during the maintenance of the total heat exchanger and the dehumidification mechanism in the dehumidifier, workers need to work at height. This not only has certain safety hazards, but also is not convenient for workers to maintain, affecting the maintenance efficiency, resulting in poor portability and affecting its use performance. Therefore, there is an urgent need for a total heat exchange fresh air dehumidifier to solve the above problems. Summary of the Utility Model

[0004] Technical Problems to be Solved

[0005] The technical problem to be solved by the utility model is to provide a total heat exchange fresh air dehumidifier which is convenient for maintenance, has high maintenance efficiency, high safety and good use effect according to the current situation of the existing technology.

[0006] (II) Technical Solution

[0007] The utility model is realized by the following technical solutions: The utility model provides a total heat exchange fresh air dehumidifier, which includes a machine body. A bidirectional screw is installed at the top end inside the machine body. Two groups of screw blocks are symmetrically sleeved on the bidirectional screw. A guide block is fixed at the upper end of the screw block. A guide groove is opened at a position corresponding to the guide block on the inner wall of the top end of the machine body. One end of the bidirectional screw is connected with a driving motor. A bearing plate is arranged below the bidirectional screw. A linkage rod is installed between the upper end of the bearing plate and the screw block. A maintenance cover is fixed on the bottom wall of the machine body. A key is arranged on one side of the maintenance cover.

[0008] Furthermore, the bidirectional screw is rotatably installed inside the machine body. The screw block is in threaded connection with the bidirectional screw. The output shaft of the driving motor is fixedly connected with one end of the bidirectional screw.

[0009] By adopting the above technical solutions, the driving motor drives the bidirectional screw to rotate, and the screw block moves under the action of the thread.

[0010] Further, the guiding block is welded on the screw block, the guiding groove is formed on the inner wall of the top end of the machine body, and the guiding block is slidably connected with the guiding groove.

[0011] By adopting the above technical solution, the combination of the guiding block and the guiding groove limits and guides the movement of the screw block.

[0012] Further, the linkage rod is hinged to both the bearing plate and the screw block, the linkage rods are arranged crosswise and rotatably connected at the intersection, the inspection cover is connected to the machine body by screws, and the button is electrically connected to the driving motor.

[0013] By adopting the above technical solution, during the movement of the screw block, the linkage rod rotates accordingly, thereby driving the bearing plate to move, and its height can be reduced, facilitating the maintenance of the device by the staff.

[0014] Further, air outlets, fresh air inlets, fresh air outlets, and indoor air inlets are sequentially reserved at the four corners of the machine body. A total heat exchanger is fixed in the middle of the bottom end of the bearing plate. Connecting pipes are led out from the four corners of the total heat exchanger, and the connecting pipes are connected to the air outlet, the fresh air inlet, the fresh air outlet, and the indoor air inlet through connectors.

[0015] By adopting the above technical solution, the connectors can quickly connect the connecting pipes to the air outlet, the fresh air inlet, the fresh air outlet, and the indoor air inlet through threads, and can also quickly separate the four during maintenance.

[0016] Further, an exhaust fan is installed inside the connecting pipe located on the air outlet, and a fresh air fan is installed inside the connecting pipe located on the fresh air outlet.

[0017] By adopting the above technical solution, during use, outdoor air enters the total heat exchanger through the fresh air inlet under the action of the fresh air fan, and indoor air enters the total heat exchanger through the indoor air inlet under the action of the exhaust fan. The two perform total heat exchange, and then the outdoor air is discharged into the room through the fresh air outlet, and the indoor air is discharged outdoors through the air outlet.

[0018] Further, a dehumidification mechanism is installed between the indoor air inlet and the fresh air outlet, and a return air valve is installed on the input port of the dehumidification mechanism.

[0019] By adopting the above technical solution, a part of the indoor air enters the dehumidification mechanism through the return air valve for dehumidification, and then directly enters the room through the fresh air outlet after dehumidification.

[0020] (III) Beneficial effects

[0021] The utility model has the following beneficial effects compared with the prior art:

[0022] To solve the problem that the existing total heat exchange fresh air dehumidifier mostly adopts a ceiling-mounted design during use, and thus during the maintenance process of the total heat exchanger and the dehumidification mechanism in the dehumidifier, workers need to work at heights, which not only poses certain safety hazards, but also is inconvenient for workers to perform maintenance, affecting the maintenance efficiency, resulting in poor portability and affecting its use performance. The utility model is provided with a driving motor, a bidirectional screw, a screw block, a linkage plate and a bearing plate. When the device is under maintenance, only by using a connecting piece to separate the total heat exchanger from the air outlet, the fresh air inlet, the fresh air outlet and the indoor air inlet, and then driving the screw to rotate through the driving motor, the screw block moves under the action of the thread. During the movement, the linkage rod rotates accordingly, and then drives the bearing plate to move, so as to reduce its height, which is convenient for workers to maintain the device. It not only has high maintenance efficiency, but also has high safety, improving the use effect of the device. Description of the Drawings

[0023] Figure 1 is a schematic structural diagram of a total heat exchange fresh air dehumidifier described in the utility model;

[0024] Figure 2 is a sectional view of the bottom of the machine body of a total heat exchange fresh air dehumidifier described in the utility model;

[0025] Figure 3 is a main sectional view of the machine body of a total heat exchange fresh air dehumidifier described in the utility model.

[0026] The description of the reference numerals is as follows:

[0027] Machine body; 2. Air outlet; 3. Fresh air inlet; 4. Fresh air outlet; 5. Indoor air inlet; 6. Total heat exchanger; 7. Connecting pipe; 8. Connecting piece; 9. Exhaust fan; 10. Fresh air fan; 11. Dehumidification mechanism; 12. Return air valve; 13. Bearing plate; 14. Screw block; 15. Guide groove; 16. Guide block; 17. Driving motor; 18. Linkage rod; 19. Bidirectional screw; 20. Maintenance cover; 21. Button. Detailed Embodiment

[0028] In order to make the purpose, technical solutions and advantages of the utility model clearer, the following further describes the utility model in detail with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0029] Such as Figures 1 - 3As shown in the figure, a total heat exchange fresh air dehumidifier in this embodiment includes a body 1. At the top end inside the body 1, a bidirectional screw 19 is installed. Two groups of screw blocks 14 are symmetrically sleeved on the bidirectional screw 19. A driving motor 17 drives the bidirectional screw 19 to rotate. Under the action of the thread, the screw blocks 14 move. A guide block 16 is fixed to the upper end of the screw block 14. At a position corresponding to the guide block 16 on the inner wall of the top end of the body 1, a guide groove 15 is formed. The combination of the guide block 16 and the guide groove 15 limits and guides the movement of the screw block 14. One end of the bidirectional screw 19 is connected to a driving motor 17. Below the bidirectional screw 19, there is a bearing plate 13. A linkage rod 18 is installed between the upper end of the bearing plate 13 and the screw block 14. A maintenance cover 20 is fixed to the bottom wall of the body 1. A key 21 is arranged on one side of the maintenance cover 20. During the movement of the screw block 14, the linkage rod 18 rotates accordingly, and then drives the bearing plate 13 to move, which can reduce its height and facilitate the staff to repair the device.

[0030] As Figures 1 - 3 shown in the figure, in this embodiment, the bidirectional screw 19 is rotatably installed inside the body 1. The screw block 14 is threadedly connected to the bidirectional screw 19. The output shaft of the driving motor 17 is fixedly connected to one end of the bidirectional screw 19. The guide block 16 is welded to the screw block 14. The guide groove 15 is formed on the inner wall of the top end of the body 1. The guide block 16 is slidably connected to the guide groove 15. The linkage rod 18 is hinged to both the bearing plate 13 and the screw block 14. The linkage rods 18 are arranged in a cross shape and are rotatably connected at the cross. The maintenance cover 20 is connected to the body 1 by screws. The key 21 is electrically connected to the driving motor 17.

[0031] As Figures 1 - 3 shown in the figure, in this embodiment, air outlets 2, a fresh air inlet 3, a fresh air outlet 4, and a room air inlet 5 are sequentially reserved at the four corners of the body 1. In the middle of the bottom end of the bearing plate 13, a total heat exchanger 6 is fixed. Connecting pipes 7 are led out from the four corners of the total heat exchanger 6. The connecting pipes 7 are connected to the air outlet 2, the fresh air inlet 3, the fresh air outlet 4, and the room air inlet 5 through connectors 8 respectively. The connectors 8 can quickly connect the connecting pipes 7 to the air outlet 2, the fresh air inlet 3, the fresh air outlet 4, and the room air inlet 5 through threads. At the same time, they can also be quickly separated during maintenance. An exhaust fan 9 is installed inside the connecting pipe 7 located on the air outlet 2. A fresh air fan 10 is installed inside the connecting pipe 7 located on the fresh air outlet 4. During use, outdoor air enters the total heat exchanger 6 through the fresh air inlet 3 under the action of the fresh air fan 10, and indoor air enters the total heat exchanger 6 through the room air inlet 5 under the action of the exhaust fan 9. The two perform total heat exchange. Then, the outdoor air is discharged into the room through the fresh air outlet 4, and the indoor air is discharged to the outside through the air outlet 2. A dehumidification mechanism 11 is installed between the room air inlet 5 and the fresh air outlet 4. A return air valve 12 is installed on the input port of the dehumidification mechanism 11. A part of the indoor air enters the dehumidification mechanism 11 through the return air valve 12 for dehumidification, and then directly enters the room through the fresh air outlet 4 after dehumidification.

[0032] The specific implementation process of this embodiment is as follows: The working principle of this device can refer to a total heat exchange fresh air dehumidification integrated machine disclosed in the patent number CN202220321366.9. Specifically: During use, outdoor air enters the total heat exchanger 6 through the fresh air inlet 3 under the action of the fresh air fan 10, and indoor air enters the total heat exchanger 6 through the indoor air inlet 5 under the action of the exhaust fan 9. The two perform total heat exchange. Then, the outdoor air is discharged into the room through the fresh air outlet 4, and the indoor air is discharged to the outside through the exhaust outlet 2. A part of the indoor air enters the dehumidification mechanism 11 through the return air valve 12 for dehumidification, and after dehumidification, it directly enters the room through the fresh air outlet 4. When the machine body 1 needs to be overhauled, the inspection cover 20 is removed, and then the total heat exchanger 6 is separated from the exhaust outlet 2, the fresh air inlet 3, the fresh air outlet 4, and the indoor air inlet 5 through the connecting piece 8. Then, the driving motor 17 drives the screw to rotate, so that the screw block 14 moves under the action of the thread. During the movement, the linkage rod 18 rotates accordingly, and then drives the bearing plate 13 to move, which can reduce its height, facilitating the staff to overhaul the device. It not only has high overhaul efficiency but also high safety, improving the use effect of the device.

[0033] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A full heat exchange fresh air dehumidifier, characterized in that: The invention comprises a machine body (1), wherein a bidirectional screw (19) is installed at the top end of the machine body (1), two groups of screw blocks (14) are symmetrically sleeved on the bidirectional screw (19), a guide block (16) is fixed to the upper end of the screw block (14), a guide groove (15) is provided at a position corresponding to the guide block (16) on the inner wall of the top end of the machine body (1), a driving motor (17) is connected to one end of the bidirectional screw (19), a bearing plate (13) is arranged below the bidirectional screw (19), a linkage rod (18) is installed between the upper end of the bearing plate (13) and the screw block (14), and an inspection cover (20) is fixed on the bottom wall of the machine body (1), and a button (21) is arranged on one side of the inspection cover (20).

2. A full heat exchange fresh air dehumidifier according to claim 1, characterized in that: The bidirectional screw (19) is rotatably mounted in the machine body (1), the screw block (14) is connected to the bidirectional screw (19) via threads, and the output shaft of the drive motor (17) is fixedly connected to one end of the bidirectional screw (19).

3. A full heat exchange fresh air dehumidifier according to claim 1, characterized in that: The guide block (16) is welded to the screw block (14), the guide groove (15) is formed on the inner wall of the top end of the body (1), and the guide block (16) is slidably connected to the guide groove (15).

4. A full heat exchange fresh air dehumidifier according to claim 1, characterized in that: The linkage rod (18) is hinged to the bearing plate (13) and the screw block (14); the linkage rod (18) is cross-arranged and rotatably connected at the intersection; the inspection cover (20) is connected to the machine body (1) via screws; and the button (21) is electrically connected to the drive motor (17).

5. A full heat exchange fresh air dehumidifier according to claim 4, characterized in that: The four corners of the machine body (1) are reserved with an exhaust port (2), a fresh air inlet (3), a fresh air outlet (4) and a room air inlet (5) in sequence; a total heat exchanger (6) is fixed to the middle of the bottom end of the support plate (13); connecting pipes (7) are led out from the four corners of the total heat exchanger (6); the connecting pipes (7) are connected to the exhaust port (2), the fresh air inlet (3), the fresh air outlet (4) and the room air inlet (5) via connecting pieces (8).

6. A full heat exchange fresh air dehumidifier according to claim 5, characterized in that: An exhaust fan (9) is installed inside the connecting pipe (7) located on the exhaust port (2), and a fresh air fan (10) is installed inside the connecting pipe (7) located on the fresh air outlet (4).

7. A full heat exchange fresh air dehumidifier according to claim 5, characterized in that: A dehumidification mechanism (11) is installed between the room air inlet (5) and the fresh air outlet (4), and an air return valve (12) is installed on the input port of the dehumidification mechanism (11).

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