Fresh air dehumidifier capable of supplying air approximately at constant temperature

Abstract

The utility model discloses a fresh air dehumidifier capable of supplying air approximately at constant temperature, and relates to the technical field of fresh air dehumidifiers, the fresh air dehumidifier comprises a machine body shell, the interior of the machine body shell is divided into five cavity areas through partition plates, and a sterilization assembly, a temperature control assembly and a dehumidification assembly are arranged in a sterilization cavity, a temperature control cavity and a dehumidification cavity respectively. The dehumidification assembly comprises a compressor and a dehumidification rotating wheel; and a filter bag is arranged outside the port of the air inlet. According to the fresh air dehumidifier capable of achieving approximate isothermal air supply, the compressor and the dehumidification rotating wheel are jointly arranged in the dehumidification cavity, the operation process that the compressor and the dehumidification rotating wheel are matched for dehumidification can be achieved, condensation heat generated during refrigeration of the compressor and hot air of the compressor can be conveniently used for regenerating and dehydrating the dehumidification rotating wheel, and electric heating is not needed; the filter bag is arranged outside the air inlet, and the installation of the filter bag is stabilized by utilizing the elastic rope, the convex ring and the auxiliary assembly, so that the impurity deposition condition of the filter bag can be conveniently checked, and the filter bag can be conveniently replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of fresh air dehumidifiers, in particular to a fresh air dehumidifier capable of supplying air at approximately isothermal temperatures. Background Art

[0002] Fresh air dehumidifier, also known as dehumidifier, dryer, is a dehumidification device that filters and dehumidifies outdoor air, and then delivers relatively dry air with target relative humidity to the room through fresh air ducts to meet the comfort or process indoor environmental humidity requirements. It can generally be divided into two categories: household dehumidifiers and industrial dehumidifiers. In order to improve the user experience, it is required to maintain the indoor temperature unchanged before and after dehumidification. Therefore, most of the existing fresh air dehumidifiers have the function of nearly isothermal air supply, but there are still certain defects in use;

[0003] For example, the dual-cold-source fresh air purification variable frequency dehumidification unit with announcement number CN219868325U can improve the indoor air environment when the device is in use by setting a fresh air inlet, and an ultraviolet sterilization device and an electrostatic dust removal module are set at the fresh air inlet to ensure that the incoming fresh air is pollution-free; through the coordinated use of the surface cooler, evaporator, reheater, and wet film humidifier, the temperature can be controlled according to the cold and hot water provided by the customer to achieve the effect of isothermal air supply, and a water collection tank is commonly set at the bottom of the surface cooler, evaporator, reheater, and wet film humidifier to prevent the dripping liquid generated by these devices during use from contaminating the components in the device;

[0004] In the actual use of this type of fresh air dehumidifier, after the dehumidification wheel dehumidifies the air, it also needs to regenerate and dehydrate itself to keep it dry. The dehumidification wheel is generally regenerated and dehydrated by heating with additional electric energy, which results in a large dehumidification energy consumption, which is not conducive to energy conservation and emission reduction. In addition, the filter bag used for filtering in this device is installed inside the machine body, which makes it inconvenient to check the filter bag for filtering deposited impurities and to replace it.

[0005] In response to the above problems, it is urgent to carry out innovative design based on the original equipment. Therefore, we proposed a fresh air dehumidifier that can deliver air at approximately isothermal temperature to solve the above problems well. Utility Model Content

[0006] The purpose of the utility model is to provide a fresh air dehumidifier that can deliver air at approximately isothermal temperature, so as to solve the problem raised by the above-mentioned background technology that in the actual use of this kind of fresh air dehumidifier, after the dehumidification wheel dehumidifies the air, it also needs to regenerate and dehydrate itself to keep dryness, and the method of regenerating and dehydrating the dehumidification wheel is generally through additional electric energy heating, which leads to high dehumidification energy consumption and is not conducive to energy conservation and emission reduction. In addition, the filter bag used for filtering in this device is installed inside the machine body, which makes it inconvenient to check the filtering of deposited impurities by the filter bag and it is also inconvenient to replace it.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fresh air dehumidifier capable of approximately isothermal air supply, comprising a body shell, a plurality of partitions are arranged inside the body shell, the partitions divide the inside of the body shell into five chamber areas, namely, an air inlet chamber, a sterilization chamber, a temperature control chamber, a dehumidification chamber and an exhaust chamber, and one side of the air inlet chamber and the exhaust chamber are respectively fixedly provided with an air inlet and an air outlet;

[0008] Each of the partitions is provided with a through hole that connects two adjacent chambers, a sterilization component is arranged inside the sterilization chamber, a temperature control component is arranged inside the temperature control chamber, the temperature control component includes a water collecting tank fixedly connected to the bottom end of the temperature control chamber, four evenly arranged fixing rods are fixedly connected between the inner walls at both ends of the temperature control chamber, a coil is installed between the four fixing rods and the water collecting tank, and each of the coils can adjust different temperatures; a dehumidification component is arranged inside the dehumidification chamber, the dehumidification component includes a compressor fixedly installed at the bottom end of the dehumidification chamber and a fixed base, the top end of the fixed base is fixedly connected to a support rod, a dehumidification wheel is arranged on the outside of the support rod, the distance between the dehumidification wheel and the compressor is small, an exhaust fan is fixedly installed inside the exhaust chamber, and air is extracted by the exhaust fan so that External air enters from the air inlet and flows through the air inlet chamber, sterilization chamber, temperature control chamber, dehumidification chamber, and exhaust chamber in sequence, and is finally sent out from the air outlet. When flowing through the sterilization chamber, the sterilization component can be used to sterilize and disinfect the air. When flowing through the temperature control chamber, the coil can be used to control the temperature of the air. When flowing through the dehumidification chamber, the built-in dehumidification wheel can be used to pre-cool and dehumidify the inlet air temperature, and then deep dehumidification can be carried out through the dehumidification wheel. Since the distance between the compressor and the dehumidification wheel is relatively close, the condensation heat generated by the compressor during refrigeration and its own hot air can be used to regenerate and dehydrate the dehumidification wheel, so as to achieve the secondary reuse of waste heat. Compared with the past use of electric heating for the regeneration and dehydration of the dehumidification wheel, the energy consumption is reduced by more than % while achieving the same dehumidification capacity, which in turn produces huge energy-saving benefits in the current energy conservation, emission reduction and green drying fields.

[0009] A filter bag is provided externally at the port of the air inlet, and an elastic rope is fixedly connected to the open end of the filter bag. A convex ring is formed on the outer wall of the port of the air inlet, and the elastic rope is sleeved on the outer side of the air inlet and limited by the convex ring. By disposing the filter bag externally, it is convenient to check the deposition of impurities and stains so as to replace them in time. At the same time, the filter bag can be firmly installed on the outer side of the air inlet through the elastic binding of the elastic rope and the limiting clamping action of the convex ring.

[0010] Preferably, the body shell has an overall L-shaped structure, and the air inlet chamber and the exhaust chamber are distributed diagonally up and down, that is, there is a certain horizontal distance between the ports of the air inlet and the air outlet. This setting orientation prevents the dehumidified dry air sent out from the air outlet from being immediately sucked into the body shell again from the air inlet, thereby reducing the probability of repeated dehumidification.

[0011] Preferably, the inner cavity height of the temperature control cavity is relatively large, and the two adjacent coils are staggered and overlapped. By increasing the inner cavity height of the temperature control cavity so that it can accommodate higher and more layers of coils, and the staggered distribution of the coils in pairs, the time for air to flow through the coil surface can be effectively increased, thereby making the temperature control effect more precise.

[0012] Preferably, an auxiliary component is provided on the outer side of the air inlet, and the auxiliary component includes four compression blocks fixedly connected to the side walls of the body shell, the four compression blocks are equidistantly distributed on the outer side of the air inlet, one side of the compression block is formed with a bent limiting portion, the limiting portion is clamped on the outer side of the elastic rope, the outer walls of the four compression blocks are formed with threaded protrusions, and the outer side of the threaded protrusion is threadedly connected with a threaded sleeve, and the four compression blocks can be squeezed close to each other by tightening the threaded sleeve, so that the four limiting portions will firmly cover and be clamped on the outer side of the elastic rope to prevent the elastic rope and the filter bag from falling off due to excessive suction flow rate and affecting the filtering effect.

[0013] Preferably, the sterilization component includes a mounting base fixedly connected to the inner wall of the sterilization chamber away from the air inlet, a motor is fixedly installed on the inner side of the mounting base, a rotating rod is fixedly connected to an output shaft on one side of the motor, a fixed sleeve is fixedly connected to one side of the rotating rod, a protective sleeve is sleeved on the inner side of the fixed sleeve, an ultraviolet disinfection lamp is fixedly installed inside the protective sleeve, the rotating rod and the fixed sleeve are driven by the motor to rotate, the protective sleeve and the ultraviolet disinfection lamp inside the fixed sleeve rotate synchronously, and the rotating ultraviolet disinfection lamp can comprehensively and evenly irradiate and sterilize the air entering the sterilization chamber after refraction by the protective sleeve, thereby ensuring the cleanliness of the exhausted air.

[0014] Preferably, limiting protrusions are formed on the inner walls of both sides of the fixing sleeve, and slots are provided on both sides of the protective sleeve. The limiting protrusions are snapped into the inner sides of the corresponding slots. Through the fixed snap connection between the two, the protective sleeve can be firmly installed on the inner side of the fixing sleeve, thereby preventing the protective sleeve from being displaced during rotation.

[0015] Preferably, the bottom end of the body shell is fixedly connected to a mounting base, and four universal wheels are fixedly mounted on the bottom end of the mounting base, and the universal wheels are provided with locking members for limiting the positions thereof. Through the setting of the universal wheels, the user can push the entire device to the location where dehumidification is required, and then lock the four universal wheels through the locking members to prevent rotation, so that the device can be fixed and not offset, thereby increasing the flexibility of the device.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the fresh air dehumidifier capable of approximately isothermal air supply can realize the operation process of the two cooperating in dehumidification by arranging the compressor and the dehumidification wheel together in the dehumidification chamber, and it is also convenient to utilize the condensation heat generated by the compressor during refrigeration and the hot air of the compressor itself to regenerate and dehydrate the dehumidification wheel, that is, there is no need to use electric heating, thereby greatly reducing energy consumption. By arranging a filter bag at the air inlet, and using an elastic rope, a convex ring and an auxiliary component to stabilize the filter bag installation, it is convenient to check the impurity deposition of the filter bag and replace it. The specific contents are as follows:

[0017] (1) The compressor and dehumidification wheel built into the dehumidification chamber are used to pre-cool and dehumidify the inlet air temperature by using the compressor refrigeration, and then deep dehumidification is performed through the dehumidification wheel. At the same time, the condensation heat generated by the compressor refrigeration and the hot air of the compressor itself can be used to regenerate and dehydrate the dehumidification wheel to achieve secondary reuse of waste heat. Compared with the past use of electric heating for regeneration and dehydration of the dehumidification wheel, while achieving the same dehumidification capacity, the energy consumption is reduced by more than 50%, which has a huge energy-saving benefit in the current energy conservation, emission reduction and green drying fields;

[0018] (2) By installing a filter bag outside the air inlet, the filter bag can be firmly installed on the outside of the air inlet by utilizing the elastic binding of the elastic rope at the open end of the filter bag and the limiting clamping effect of the convex ring formed on the outer wall of the air inlet port, so as to facilitate the inspection of the deposition of impurities and stains and replace them in time;

[0019] (3) By arranging an auxiliary component on the outside of the air inlet, it is only necessary to tighten the threaded sleeve so that the four compression blocks are close to each other and squeezed, so that the four limit parts will firmly cover and clamp the outside of the elastic rope to prevent the elastic rope and the filter bag from falling off due to excessive air flow velocity, thereby affecting the filtering effect;

[0020] (4) By setting up a sterilization component, a motor is used to drive the rotating rod and the fixed sleeve to rotate, and the protective sleeve and the ultraviolet disinfection lamp inside the fixed sleeve rotate synchronously. The rotating ultraviolet disinfection lamp can refract the air entering the sterilization chamber through the protective sleeve to perform comprehensive and uniform irradiation and sterilization, thereby ensuring the cleanliness of the discharged air;

[0021] (5) By providing a mounting base and four universal wheels at the bottom end of the housing, and providing locking members on the universal wheels to limit the position thereof, the user can push the entire device to move to the location where dehumidification is required, and then lock the four universal wheels through the locking members to prevent rotation, so that the device can be fixed and not shifted, thereby increasing the flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the internal cutaway structure of the body shell of the utility model;

[0024] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0025] Figure 4 It is a schematic diagram of the cutaway structure of the air inlet and filter bag of the utility model;

[0026] Figure 5 It is a schematic diagram of the partial cutaway structure of the disinfection component of the utility model.

[0027] In the figure: 1. body shell; 2. partition; 3. air inlet chamber; 4. sterilization chamber; 5. temperature control chamber; 6. dehumidification chamber; 7. exhaust chamber; 8. air inlet; 9. air outlet; 10. through hole; 11. fixing rod; 12. coil; 13. water collecting tank; 14. compressor; 15. dehumidification wheel; 16. fixed base; 17. support rod; 18. exhaust fan; 19. filter bag; 20. elastic rope; 21. convex ring; 22. compression block; 23. limit part; 24. threaded sleeve; 25. mounting seat; 26. motor; 27. rotating rod; 28. fixing sleeve; 29. ​​limit convex block; 30. protective sleeve; 31. slot; 32. ultraviolet disinfection lamp; 33. mounting base; 34. universal wheel. DETAILED DESCRIPTION

[0028] 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.

[0029] Example 1: Please refer to Figure 1-Figure 5 The present invention provides the following technical solution: a fresh air dehumidifier capable of approximately isothermal air supply, comprising a body shell 1, a mounting base 33 is fixedly connected to the bottom end of the body shell 1, four universal wheels 34 are fixedly mounted on the bottom end of the mounting base 33, and locking members for limiting the position of the universal wheels 34 are provided on the universal wheels 34. Through the setting of the universal wheels 34, it is convenient for a user to push the entire device to a place where dehumidification is required, and then the four universal wheels 34 are locked by the locking members to prevent rotation, so that the device can be fixed and not deviated, thereby increasing the flexibility of the device;

[0030] A plurality of partitions 2 are arranged inside the housing 1, and the partitions 2 divide the interior of the housing 1 into five chamber areas, namely, an air inlet chamber 3, a sterilization chamber 4, a temperature control chamber 5, a dehumidification chamber 6 and an exhaust chamber 7. An air inlet 8 and an air outlet 9 are fixedly arranged on one side of the air inlet chamber 3 and the exhaust chamber 7, respectively. The housing 1 is an L-shaped structure as a whole, and the air inlet chamber 3 and the exhaust chamber 7 are diagonally arranged up and down, that is, there is a certain horizontal distance between the ports of the air inlet 8 and the air outlet 9. This setting orientation ensures that the dehumidified dry air sent from the air outlet 9 will not be immediately sucked into the housing 1 again from the air inlet 8, thereby reducing the probability of repeated dehumidification;

[0031] Each partition 2 is provided with a through hole 10 that connects two adjacent chambers. A sterilization component is arranged inside the sterilization chamber 4. The sterilization component includes a mounting seat 25 fixedly connected to the inner wall of the sterilization chamber 4 away from the air inlet 8. A motor 26 is fixedly installed on the inner side of the mounting seat 25. A rotating rod 27 is fixedly connected to an output shaft on one side of the motor 26. A fixed sleeve 28 is fixedly connected to one side of the rotating rod 27. A protective sleeve 30 is sleeved on the inner side of the fixed sleeve 28. An ultraviolet disinfection lamp 32 is fixedly installed inside the protective sleeve 30. The inner walls of the fixed sleeve 28 are formed with limited position bumps 29. The protective sleeve 30 has a plurality of inner walls. Slots 31 are provided on both sides of 30, and the limiting protrusions 29 are snapped into the inner sides of the corresponding slots 31. Through the fixed snapping of the two, the protective sleeve 30 can be firmly installed on the inner side of the fixed sleeve 28, thereby preventing the protective sleeve 30 from being displaced during rotation. The motor 26 drives the rotating rod 27 and the fixed sleeve 28 to rotate, and the protective sleeve 30 and the ultraviolet disinfection lamp 32 inside the fixed sleeve 28 rotate synchronously. The rotating ultraviolet disinfection lamp 32 can be refracted by the protective sleeve 30 to fully and evenly irradiate and sterilize the air entering the sterilization chamber 4, thereby ensuring the cleanliness of the discharged air.

[0032] A temperature control component is provided inside the temperature control chamber 5. The temperature control component includes a water collecting tank 13 fixedly connected to the bottom end of the temperature control chamber 5. Four evenly arranged fixed rods 11 are fixedly connected between the inner walls at both ends of the temperature control chamber 5. A coil 12 is installed between the four fixed rods 11 and the water collecting tank 13. Each coil 12 can adjust different temperatures. The inner cavity height of the temperature control chamber 5 is relatively large, and the two adjacent coils 12 are staggered and overlapped. By increasing the inner cavity of the temperature control chamber 5, it can accommodate higher and more layers of coils 12. In addition, the staggered distribution of the coils 12 can effectively increase the time for air to flow through the surface of the coils 12, thereby making the temperature control effect more accurate.

[0033] A dehumidification component is arranged inside the dehumidification chamber 6, and the dehumidification component includes a compressor 14 and a fixed base 16 fixedly installed at the bottom end of the dehumidification chamber 6, a support rod 17 is fixedly connected to the top of the fixed base 16, a dehumidification wheel 15 is arranged on the outside of the support rod 17, and the distance between the dehumidification wheel 15 and the compressor 14 is small, and an exhaust fan 18 is fixedly installed inside the exhaust chamber 7, and air is exhausted by the exhaust fan 18, so that external air enters from the air inlet 8, and flows through the air inlet chamber 3, the sterilization chamber 4, the temperature control chamber 5, the dehumidification chamber 6, and the exhaust chamber 7 in sequence, and is finally sent out from the air outlet 9, wherein the air can be sterilized and disinfected by the sterilization component when flowing through the sterilization chamber 4, and the flow The coil 12 can be used to control the temperature of the air when passing through the temperature control chamber 5, and when flowing through the dehumidification chamber 6, the built-in dehumidification wheel 15 can be used to pre-cool and dehumidify the inlet air temperature, and then deep dehumidification is performed through the dehumidification wheel 15. Since the distance between the compressor 14 and the dehumidification wheel 15 is relatively close, the condensation heat generated by the compressor 14 during refrigeration and its own hot air can be used to regenerate and dehydrate the dehumidification wheel 15, so as to achieve the secondary reuse of waste heat. Compared with the past use of electric heating to regenerate and dehydrate the dehumidification wheel 15, while achieving the same dehumidification capacity, the energy consumption is reduced by more than 50%, which in turn produces huge energy-saving benefits in the current energy conservation, emission reduction and green drying fields.

[0034] Embodiment 2:

[0035] On the basis of the first embodiment, a filter bag 19 is provided outside the port of the air inlet 8, an elastic rope 20 is fixedly connected to the open end of the filter bag 19, a convex ring 21 is formed on the outer wall of the port of the air inlet 8, the elastic rope 20 is sleeved on the outer side of the air inlet 8 and is limited by the convex ring 21. By externally disposing the filter bag 19, it is convenient to check the deposition of impurities and stains so as to replace them in time. At the same time, the filter bag 19 can be firmly installed on the outer side of the air inlet 8 through the elastic binding of the elastic rope 20 and the limiting clamping effect of the convex ring 21;

[0036] An auxiliary component is provided on the outside of the air inlet 8, and the auxiliary component includes four compression blocks 22 fixedly connected to the side wall of the body shell 1. The four compression blocks 22 are equidistantly distributed on the outside of the air inlet 8. A bent limiting portion 23 is formed on one side of the compression block 22, and the limiting portion 23 is clamped on the outside of the elastic rope 20. The outer walls of the four compression blocks 22 are formed with threaded protrusions, and the outer side of the threaded protrusion is threadedly connected with a threaded sleeve 24. By tightening the threaded sleeve 24, the four compression blocks 22 can be squeezed close to each other, so that the four limiting portions 23 will firmly cover and be clamped on the outside of the elastic rope 20 to prevent the elastic rope 20 and the filter bag 19 from falling off due to excessive suction flow rate and affecting the filtering effect.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fresh air dehumidifier capable of approximately isothermal air supply, comprising a machine body shell (1), wherein a plurality of partitions (2) are arranged inside the machine body shell (1), wherein the partitions (2) divide the interior of the machine body shell (1) into five chamber areas, namely, an air inlet chamber (3), a sterilization chamber (4), a temperature control chamber (5), a dehumidification chamber (6) and an exhaust chamber (7), wherein an air inlet (8) and an air outlet (9) are fixedly arranged on one side of the air inlet chamber (3) and the exhaust chamber (7); Features: Each of the partitions (2) is provided with a through hole (10) for communicating two adjacent chambers; a sterilization component is provided inside the sterilization chamber (4); a temperature control component is provided inside the temperature control chamber (5); the temperature control component comprises a water collecting tank (13) fixedly connected to the bottom end of the temperature control chamber (5); four evenly arranged fixing rods (11) are fixedly connected between the inner walls at both ends of the temperature control chamber (5); a coil (12) is installed between the four fixing rods (11) and the water collecting tank (13); each of the coils (12) is provided with a plurality of fixing rods (11) and a plurality of fixing rods (12) arranged in a uniform manner; The tube (12) can adjust different temperatures; a dehumidification component is arranged inside the dehumidification chamber (6), and the dehumidification component comprises a compressor (14) and a fixed base (16) fixedly installed at the bottom end of the dehumidification chamber (6); a support rod (17) is fixedly connected to the top end of the fixed base (16); a dehumidification wheel (15) is arranged on the outside of the support rod (17); the distance between the dehumidification wheel (15) and the compressor (14) is relatively small; and an exhaust fan (18) is fixedly installed inside the exhaust chamber (7); A filter bag (19) is provided outside the port of the air inlet (8), an open end of the filter bag (19) is fixedly connected to an elastic rope (20), an outer wall of the port of the air inlet (8) is formed with a convex ring (21), and the elastic rope (20) is sleeved on the outer side of the air inlet (8) and is limited by the convex ring (21).

2. A fresh air dehumidifier capable of approximately isothermal air supply according to claim 1, characterized in that: The housing (1) is of an L-shaped structure as a whole, and the air inlet chamber (3) and the air exhaust chamber (7) are arranged diagonally in an upper and lower direction, that is, there is a certain horizontal distance between the ports of the air inlet (8) and the air outlet (9).

3. The fresh air dehumidifier capable of approximately isothermal air supply according to claim 1, characterized in that: The inner cavity height of the temperature control cavity (5) is relatively large, and two adjacent coils (12) are arranged in a staggered and overlapping manner.

4. The fresh air dehumidifier capable of approximately isothermal air supply according to claim 1, characterized in that: An auxiliary component is arranged on the outer side of the air inlet (8), and the auxiliary component comprises four compression blocks (22) fixedly connected to the side wall of the machine body shell (1), the four compression blocks (22) are equidistantly distributed on the outer side of the air inlet (8) at a circumference, a bent limiting portion (23) is formed on one side of the compression block (22), and the limiting portion (23) is clamped on the outer side of the elastic rope (20), and the outer walls of the four compression blocks (22) are formed with threaded protrusions, and a threaded sleeve (24) is threadedly connected to the outer side of the threaded protrusion.

5. The fresh air dehumidifier capable of approximately isothermal air supply according to claim 1, characterized in that: The sterilization component comprises a mounting seat (25) fixedly connected to the inner wall of the sterilization chamber (4) on a side away from the air inlet (8); a motor (26) is fixedly mounted on the inner side of the mounting seat (25); a rotating rod (27) is fixedly connected to one side of the output shaft of the motor (26); a fixing sleeve (28) is fixedly connected to one side of the rotating rod (27); a protective sleeve (30) is sleeved on the inner side of the fixing sleeve (28); and an ultraviolet disinfection lamp (32) is fixedly mounted inside the protective sleeve (30).

6. A fresh air dehumidifier capable of approximately isothermal air supply according to claim 5, characterized in that: The inner walls of both sides of the fixing sleeve (28) are formed with limiting protrusions (29), and both sides of the protective sleeve (30) are provided with clamping grooves (31), and the limiting protrusions (29) are clamped on the inner sides of the corresponding clamping grooves (31).

7. The fresh air dehumidifier capable of approximately isothermal air supply according to claim 1, characterized in that: The bottom end of the machine body shell (1) is fixedly connected to a mounting base (33), the bottom end of the mounting base (33) is fixedly mounted with four universal wheels (34), and the universal wheels (34) are provided with locking members for limiting their positions.

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