An integrated open-loop and closed-loop dehumidifier and dryer

By designing quick-release components and floating water valves for the open-loop integrated dehumidifier and dryer, the problems of low efficiency and safety hazards under low and high temperature conditions were solved, achieving efficient maintenance and safe operation of the equipment.

CN224945122UActive Publication Date: 2026-11-06JIANGSU LIANZHONG LIANSHENG AIR CONDITIONING EQUIP CO LTD
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Patent Information

Application Number
CN202522581046.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-04
Publication Date
2026-11-06
Estimated Expiration
2035-12-04

AI Technical Summary

Technical Problem

Existing open-loop drying systems are inefficient at low temperatures, while closed-loop drying systems are inefficient at removing water from materials at high temperatures. In addition, these systems occupy a large space and consume a lot of energy. Filter screens are inconvenient to install and remove and are easily damaged. Filter screen blockage affects airflow, and failure to drain water tanks in a timely manner can lead to safety hazards.

Method used

An integrated open-loop dehumidifier and dryer was designed. It adopts quick-release components for easy filter replacement and a floating water valve to prevent water tank overflow. The quick-release components and floating water valve structure simplify equipment maintenance and improve equipment safety and efficiency.

Benefits of technology

It enables quick filter replacement and automatic overflow prevention of the water tank, extending equipment life, improving equipment maintenance efficiency and safety, and reducing maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the technical field of dehumidifiers and dryers, and discloses an integrated open-loop and closed-loop dehumidifier and dryer, including a housing. A compressor is fixedly connected to the inner wall of the housing. An evaporator is located at the right end of the compressor, and a first condenser is located at the top of the evaporator. Regenerators are located on the left and right sides of the top of the first condenser. A support plate is located on the side of the two regenerators that are close to each other. Multiple fans are fixedly connected to both ends of the support plate. In this utility model, the quick-release filter assembly facilitates the regular cleaning and replacement of the filter, effectively intercepting large particles such as dust and hair, reducing wear and blockage of core components such as the evaporator and fans, thereby extending the service life of the equipment. The floating water valve can close the water inlet in time when the water level reaches the upper limit, effectively preventing the water tank from overflowing, avoiding damage to the surrounding environment and other equipment, and protecting the safety of the equipment and the working environment.
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Description

Technical Field

[0001] This utility model relates to the field of dehumidifier drying technology, and in particular to an open-loop and closed-loop integrated dehumidifier drying machine. Background Technology

[0002] Open-loop drying systems are greatly affected by ambient temperature, and their efficiency is extremely low under low-temperature conditions in winter. In the later stages of material drying, when the air in the drying chamber reaches a certain temperature and humidity, the evaporator may not be able to cool the material below the dew point, resulting in low dehumidification efficiency and unsuitability for high-temperature materials. In addition, setting up separate open-loop and closed-loop equipment requires a large amount of space, has low drying efficiency, and consumes a lot of energy.

[0003] During operation, the filter screen of a dehumidifying dryer needs frequent disassembly and cleaning to maintain its filtration efficiency and ensure normal equipment operation. Traditional fixed filter screen structures are inconvenient to disassemble and assemble, and repeated disassembly and assembly can easily damage them, affecting the user experience. Filter screen blockage can lead to reduced airflow and air velocity, affecting the normal operation of components such as heating elements and reducing drying efficiency. Early equipment relied heavily on manual monitoring of the water tank level and manual replenishment or drainage, which not only increased the workload of operators but also resulted in response time delays. When the equipment processes materials with high moisture content, the amount of condensate produced surges; if not drained in time, the water tank can overflow, causing short circuits, corrosion, and other safety hazards. Therefore, a new type of integrated open-loop and closed-loop dehumidifying dryer is needed. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing an integrated open-loop and closed-loop dehumidifier and dryer. The quick-release filter assembly facilitates regular cleaning and replacement of the filter, effectively intercepting large particles such as dust and hair, reducing wear and clogging of core components like the evaporator and fan, thereby extending the equipment's lifespan. The floating water valve promptly closes the inlet when the water level reaches its upper limit, effectively preventing overflow and avoiding damage to the surrounding environment and other equipment, thus protecting the safety of the equipment and the working environment. To achieve the above objectives, this utility model provides the following technical solution: an integrated open-loop and closed-loop dehumidifier and dryer, comprising a housing, a compressor fixedly connected to the inner wall of the housing, an evaporator disposed at the right end of the compressor, a first condenser disposed at the top of the evaporator, regenerators disposed on the left and right sides of the top of the first condenser, a support plate disposed on the side of the two regenerators adjacent to each other, multiple fans fixedly connected to the left and right ends of the support plate, filters disposed at the front and rear ends of the housing, lock housings fixedly connected at the four corners of the filters, quick-release components disposed on the inner wall of the lock housing, an extension plate fixedly connected to the right end of the housing, multiple air suction holes opened on the outer wall of the extension plate, a second condenser disposed on the side of the two extension plates adjacent to each other, a water tank disposed at the bottom end of the second condenser, a condensate pipe fixedly connected to the bottom end of the second condenser, and a stop component disposed at the bottom end of the condensate pipe.

[0005] Furthermore, the quick-release assembly includes two locking plates disposed inside the lock housing, a locking key disposed at the top of the lock housing, a first spring disposed on the adjacent side of the two locking plates, a limit post fixedly connected to the middle of the locking plates, a button disposed at the bottom of the locking plates, a locking tongue fixedly connected to the top of the locking plates, a locking groove formed on the inner wall of the locking key, and the locking tongue and the locking groove cooperating with each other.

[0006] Furthermore, the stopping component includes a connecting pipe fixedly connected to the bottom end of the condensate pipe, a valve body fixedly connected to the top end of the connecting pipe, a support column fixedly connected to the top end of the valve body, a valve plug slidably connected to the inner wall of the valve body, a lever arm rotatably connected to the top end of the valve plug, a threaded column fixedly connected to the right end of the lever arm, and a float plate provided at the left end of the threaded column.

[0007] Furthermore, the front and rear ends of the housing are provided with movable grooves, the inner wall of the movable groove is slidably connected with a movable plate, the top of the movable plate is provided with a second spring, and the front end of the movable plate is fixedly connected to a locking key.

[0008] Furthermore, one end of the first spring is connected to the left locking plate, and the other end of the first spring is connected to the right locking plate.

[0009] Furthermore, one end of the second spring is connected to the movable plate, and the other end of the second spring is connected to the movable groove.

[0010] Furthermore, the top of the button is provided with an inclined groove, which is used to control the lock plate for quick installation.

[0011] Furthermore, an air outlet is provided at the top of the box, and multiple casters are fixedly connected to the bottom of the box.

[0012] This utility model has the following beneficial effects: 1. In this utility model, the quick-release filter assembly facilitates the regular cleaning and replacement of the filter, effectively intercepts large particles such as dust and hair, preventing them from entering the dehumidifier and dryer, reducing wear and blockage of core components such as the evaporator and fan, thereby extending the service life of the equipment. It can also quickly complete the installation and removal of the filter plate without tools, greatly shortening the cleaning time of the filter and improving maintenance efficiency.

[0013] 2. In this utility model, the floating water valve can promptly close the inlet when the water level reaches the upper limit, effectively preventing the water tank from overflowing and avoiding damage to the surrounding environment and other equipment. This protects the safety of the equipment and the working environment. The floating water valve has a simple structure, does not rely on external power or complex electronic control systems, and has a low probability of failure. In the event of a failure, it is also easy to repair, reducing maintenance costs and difficulty. Attached Figure Description

[0014] Figure 1 This is a perspective view of an integrated open-loop dehumidifier and dryer proposed in this utility model. Figure 2 This is a schematic diagram of the condenser of an integrated open-loop dehumidifier and dryer proposed in this utility model; Figure 3 This is a schematic diagram of the filter screen of an integrated open-loop dehumidifier and dryer proposed in this utility model. Figure 4 This is a schematic diagram of the locking plate of an integrated open-loop and closed-loop dehumidifier and dryer proposed in this utility model. Figure 5 This is a schematic diagram of the valve body of an integrated open-loop dehumidifier and dryer proposed in this utility model.

[0015] Legend: 1. Housing; 2. Compressor; 3. Evaporator; 4. First condenser; 5. Regenerator; 6. Support plate; 7. Fan; 8. Filter screen; 9. Extension plate; 10. Air intake hole; 11. Second condenser; 12. Condensate pipe; 13. Water tank; 14. Lock case; 15. Lock key; 16. Lock plate; 17. First spring; 18. Limiting post; 19. Button; 20. Lock tongue; 21. Lock groove; 22. Moving groove; 23. Moving plate; 24. Second spring; 25. Connecting pipe; 26. Valve body; 27. Support post; 28. Valve plug; 29. ​​Lever arm; 30. Threaded post; 31. Float plate; 32. Air outlet; 33. Casters. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Reference Figure 1-3This utility model provides an embodiment of an integrated open-loop dehumidifier and dryer, comprising a housing 1. A compressor 2, the power core of the entire refrigeration system, is fixedly connected to the inner wall of the housing 1. An evaporator 3 is tightly connected to the right end of the compressor 2 via a copper pipe. The evaporator 3 adopts a multi-fin structure design to increase the contact area with air. A first condenser 4 is set at the top of the evaporator 3, and the first condenser 4 is connected to the evaporator 3 via a refrigerant pipeline. Regenerators 5 are symmetrically arranged on the left and right sides of the top of the first condenser 4. A support plate 6 is fixedly set on the side of the two regenerators 5 that is close to each other. The support plate 6 adopts a hollow design. Two fans 7 are fixedly connected to the left and right ends of the support plate 6 by bolts. Filter screens 8 are set at the front and rear ends of the housing 1, respectively. The filters 8 can effectively... The filter screen 8 filters dust, impurities, and other particulate matter from the air and absorbs odors. A lock housing 14 is bolted to each of the four corners of the filter screen 8. Two lock plates 16 are symmetrically arranged on the inner wall of the lock housing 14. A locking key 15, which engages with the housing 1, is inserted through the top of the lock housing 14. A first spring 17 is located on the side of the two lock plates 16 that is close to each other. The first spring 17 is always in a pre-compressed state, providing outward thrust to the lock plates 16. A limit post 18 is vertically fixed to the middle of the lock plate 16. A limit plate, adapted to the limit post 18, is provided at a corresponding position on the inner wall of the lock housing 14, guiding and limiting the movement of the lock plate 16 to prevent it from shifting during movement. The bottom of the lock plate 16 extends to the outside of the lock housing 14 and is equipped with a button 19. A locking tongue 20 is fixedly connected to the side of the lock key 15. A locking groove 21 is opened on the inner wall of the lock key 15 corresponding to the position of the locking tongue 20. The bevel angle of the locking tongue 20 and the locking groove 21 are matched to achieve a tight snap-fit. An extension plate 9 is fixedly connected to the right end of the housing 1 by bolts. Multiple air suction holes 10 are opened on the outer wall of the extension plate 9. A second condenser 11 is set on the side of the two extension plates 9 that are close to each other. The second condenser 11 is connected in parallel with the first condenser 4. A water tank 13 is set at the bottom of the second condenser 11 to collect the condensate generated during operation. A condensate pipe 12 is fixedly connected to the bottom of the second condenser 11. The condensate pipe 12 collects the condensate condensed on the surface of the evaporator 3 and the second condenser 11 and introduces it into the water tank 13. The bottom of the condensate pipe 12 is connected to a connector. The connecting pipe 25 has a valve body 26 integrally cast at its top. The valve body 26 is a hollow cylindrical structure with water outlets at both ends. A support frame is provided on the outer wall of the valve body 26 to support the entire structure. A support column 27 is fixedly connected to the top of the valve body 26 with waterproof resin. A valve plug 28 is slidably connected to the inner wall of the valve body 26. The valve plug 28 is a cylindrical structure with a rubber gasket at its bottom, which can achieve a tight seal to block the water outlet of the valve body 26 under pressure. A lever arm 29 is rotatably connected to the top of the valve plug 28 via a pin. A threaded column 30 is fixedly connected to the right end of the lever arm 29 with waterproof resin. The threaded column 30 is made entirely of plastic. A float plate 31 is provided at the left end of the threaded column 30. The float plate 31 is clamped to the threaded column 30 by its own clamp.The float plate 31 has a hollow internal structure, with a through hole in its center that matches the support column 27. This allows the float plate 31 to float flexibly up and down with changes in the condensate water level without falling off. When the float plate 31 rises to a specific height, it triggers a magnetic induction level sensor installed on one side of the water tank 13. The sensor then transmits a signal to the controller, causing it to stop operating.

[0018] Reference Figure 2-5 The front and rear ends of the housing 1 have movable grooves 22 above the installation positions of the filter screens 8. The movable grooves 22 are T-shaped grooves. A movable plate 23 is slidably connected to the inner wall of the movable groove 22, and its width is clearance-fitted with the width of the inner wall of the movable groove 22. A second spring 24 is set between the top of the movable plate 23 and the top inner wall of the movable groove 22. The front end of the movable plate 23 is fixedly connected to the locking key 15 by welding. One end of the first spring 17 is fixed to the center of the inner side wall of the left locking plate 16 by a snap-fit ​​connection, and the other end is firmly connected to the corresponding position of the inner side wall of the right locking plate 16. The second spring 24 is a compression spring, and its two ends are welded and fixed to the top of the movable groove 22 and the top of the movable plate 23, respectively. The top of the button 19 has an inclined groove that is inclined at a 60° angle towards the inside of the locking plate 16, which can be quickly disassembled when the filter screen 8 is removed. An air outlet 32 ​​is provided at the top of the housing 1 at the corresponding position of the fan 7. Multiple casters 33 are fixedly connected to the bottom of the housing 1. There are six casters 33 installed at the bottom of the housing 1 to form a stable support structure.

[0019] Working principle: When installing the filter screen 8, press down the locking key 15 with the mounting hole at the top of the lock housing 14. At this time, the moving plate 23 slides down along the moving groove 22 with the locking key 15, and the second spring 24 further stores force. At the same time, the locking key 15 squeezes the locking tongues 20 on both sides, causing the left and right locking plates 16 to contract inward synchronously. The first spring 17 is further compressed and stores elastic potential energy. When the locking key 15 is pressed down to the designated position, the first spring 17 quickly returns to its original position and applies an outward pushing force to the locking plates 16 on both sides, causing the locking tongues 20 to simultaneously engage in the corresponding locking grooves 21, thus completing the fixing of the filter screen 8. When it is necessary to disassemble, press the button 19, causing the locking plate 16 to move inward against the elastic force of the first spring 17. The locking tongues 20 simultaneously disengage from the grooves 21. At this time, the second spring 24 returns to its original position and releases its elastic force, causing the moving plate 23 to slide upward along the moving groove 22, thereby causing the locking key 15 to automatically pop up, so that the filter screen 8 can be quickly removed. When the condensate pipe 12 discharges condensate into the water tank 13, the float 31 is suspended at a low position. The left end of the lever arm 29 is tilted upward due to the weight of the float 31, while the right end naturally sinks. The valve plug 28 is positioned above the valve body 26 under the weight of the float 31 and the threaded rod 30, and the outlet of the valve body 26 remains unobstructed. When condensate accumulates in the water tank 13, the water level gradually rises and drives the float 31 to float upward synchronously. The float 31, through the threaded rod 30, causes the lever arm 29 to rotate around the fulcrum, tilting the right end upward and the left end downward, which in turn pulls the valve plug 28 downward through the pin. When the water level reaches the preset safety threshold, the rubber sealing gasket at the bottom of the valve plug 28 is tightly sealed to the outlet of the valve body 26, achieving a blockage and preventing further overflow of condensate.

[0020] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An open and closed loop integrated dehumidifying dryer comprising a cabinet (1), characterized in that: A compressor (2) is fixedly connected to the inner wall of the housing (1). An evaporator (3) is provided at the right end of the compressor (2). A first condenser (4) is provided at the top of the evaporator (3). Regenerators (5) are provided on the left and right sides of the top of the first condenser (4). A support plate (6) is provided on the side of the two regenerators (5) that are close to each other. Multiple fans (7) are fixedly connected to both ends of the support plate (6). Filter screens (8) are provided at the front and rear ends of the housing (1). At the four corners of the filter screens (8) A lock shell (14) is fixedly connected. A quick-release assembly is provided on the inner wall of the lock shell (14). An extension plate (9) is fixedly connected to the right end of the box body (1). Multiple air suction holes (10) are opened on the outer wall of the extension plate (9). A second condenser (11) is provided on the side of the two extension plates (9) that are close to each other. A water tank (13) is provided at the bottom of the second condenser (11). A condensate pipe (12) is fixedly connected to the bottom of the second condenser (11). A stop assembly is provided at the bottom of the condensate pipe (12).

2. The open-closed loop integrated dehumidifying dryer according to claim 1, characterized in that: The quick-release assembly includes two locking plates (16) inside the lock housing (14). A locking key (15) is provided at the top of the lock housing (14). A first spring (17) is provided on the side of the two locking plates (16) that are close to each other. A limit post (18) is fixedly connected to the middle of the locking plate (16). A button (19) is provided at the bottom of the locking plate (16). A locking tongue (20) is fixedly connected to the top of the locking plate (16). A locking groove (21) is provided on the inner wall of the locking key (15). The locking tongue (20) and the locking groove (21) cooperate with each other.

3. The open-closed loop integrated dehumidifying dryer according to claim 1, characterized in that: The stopping assembly includes a connecting pipe (25) fixedly connected to the bottom end of the condensate pipe (12), a valve body (26) fixedly connected to the top end of the connecting pipe (25), a support column (27) fixedly connected to the top end of the valve body (26), a valve plug (28) slidably connected to the inner wall of the valve body (26), a lever arm (29) rotatably connected to the top end of the valve plug (28), a threaded column (30) fixedly connected to the right end of the lever arm (29), and a float plate (31) provided at the left end of the threaded column (30).

4. The open-loop and closed-loop integrated dehumidifier and dryer according to claim 1, characterized in that: The box (1) has a movable groove (22) at both the front and rear ends. A movable plate (23) is slidably connected to the inner wall of the movable groove (22). A second spring (24) is provided at the top of the movable plate (23). The front end of the movable plate (23) is fixedly connected to the lock key (15).

5. The open-loop and closed-loop integrated dehumidifier and dryer according to claim 2, characterized in that: One end of the first spring (17) is connected to the left locking plate (16), and the other end of the first spring (17) is connected to the right locking plate (16).

6. The open-loop and closed-loop integrated dehumidifier and dryer according to claim 4, characterized in that: One end of the second spring (24) is connected to the movable plate (23), and the other end of the second spring (24) is connected to the movable groove (22).

7. The open-loop and closed-loop integrated dehumidifier and dryer according to claim 2, characterized in that: The button (19) has an inclined groove at its top, which is used to control the lock plate (16) to be installed quickly.

8. The open-loop and closed-loop integrated dehumidifier and dryer according to claim 1, characterized in that: The top of the box (1) is provided with an air outlet (32), and the bottom of the box (1) is fixedly connected with multiple casters (33).