Direct expansion type air conditioning unit
By introducing a work box and installation shell with a control member and a split structure into the direct expansion air conditioning unit, the problem of noise in the prior art is solved and a quieter indoor environment is achieved.
Patent Information
- Application Number
- CN202421520133.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-01
AI Technical Summary
The work-making part of the existing direct expansion air conditioner unit is integrated with the intake and exhaust part, which leads to vibration and resonance during the work process, generates large noise, and affects the quietness of the room.
By introducing a work box and a work case of a split structure in the direct expansion air conditioning unit, the adjustment member includes a through-type screw motor and a spring, which drives the work box downward and presses to the ground to avoid vibration conduction.
It effectively reduces the noise generated during the working process and improves the quietness of the room.
Smart Images

Figure CN222811841U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of direct expansion air conditioning units, in particular to a direct expansion air conditioning unit. Background Art
[0002] Direct expansion air-conditioning units include various forms of air-conditioning products, such as unit air conditioners, ceiling air conditioners, ceiling duct units, multi-split units, rooftop air conditioners, and also include: dehumidifiers, precision air conditioners. Direct expansion air-conditioning units are units with their own compressors. The liquid refrigerant in its refrigeration system directly evaporates in its evaporator coil to absorb heat from the air outside the coil and cool it.
[0003] A Chinese patent discloses a new air direct expansion air-conditioning unit (authorization announcement number CN215175647U). The patent technology has an insulating water tank installed inside the cooling box, and the insulating water tank is fixedly connected to the cooling box, and an insulating material is arranged between the insulating water tank and the cooling box, and the insulating water tank and the cooling box are both fitted with the insulating material, a water supply and drainage pipe is installed on the front end surface of the cooling box, and the water supply and drainage pipe is fixedly connected to the cooling box, and the water supply and drainage pipe is communicated with the insulating water tank, cooling water is arranged inside the insulating water tank, a working box is installed below the cooling box, and the working box is fixedly connected to the cooling box, an air handling chamber is arranged inside the cooling box, and the air handling chamber and the cooling box are arranged as an integral structure, an air filter element is installed inside the air handling chamber, and the air filter element is fixedly connected to the cooling box, but the working part and the air intake and exhaust part of the above-mentioned direct expansion air-conditioning unit are an integral structure, and the vibration of the working part during the working process causes the resonance of the box body to generate a large noise, which affects the quietness of the room. Therefore, those skilled in the art provide a direct expansion air conditioning unit to solve the problems raised in the above background technology. Utility Model Content
[0004] The purpose of the utility model is to provide a direct expansion air conditioning unit to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A direct expansion air-conditioning unit comprises an air intake and exhaust box, a mounting cover, a positioning plate, an air intake pipe, a filter plate, an evaporator, a fan, and an exhaust pipe, wherein the mounting cover is located at the lower side of the air intake and exhaust box, the positioning plate is located at the lower ends of both sides of the mounting cover, the air intake pipe is located at one side of the air intake and exhaust box, the filter plate is located inside the air intake and exhaust box adjacent to the air intake pipe, the evaporator is located inside the air intake and exhaust box adjacent to the evaporator, the fan is located at the other end of the air intake and exhaust box, and the exhaust pipe is located at the other side of the air intake and exhaust box, an adjusting component is installed at the inner outer end of the mounting cover, a working box is installed at the inner end of the adjusting component, a first hose is provided at one upper end of the working box, and a second hose is provided at the other upper end of the working box.
[0007] As a further solution of the utility model: the working box includes a carrying box, a rubber pad is provided on the lower side of the carrying box, a compressor is installed at one end of the interior of the carrying box, a first conduit is provided at one end of the compressor, a condenser is installed at one end of the first conduit, a second conduit is provided at one end of the condenser, and a liquid tank is provided at one end of the second conduit.
[0008] As a further solution of the utility model: the adjusting component includes a first fixed plate, a through-type screw motor is installed on the upper side of the first fixed plate, a screw is arranged inside the through-type screw motor, an outer rod is arranged on the lower side of the screw, an inner rod is arranged inside the outer rod, a second fixed plate is arranged on the lower side of the inner rod, and a spring is arranged on the outer side of the inner rod.
[0009] As a further solution of the utility model: the output end of the air intake pipe is connected with the input end of the air intake and exhaust box, the output end of the air intake and exhaust box is connected with the output end of the fan, and the output end of the fan is connected with the input end of the exhaust pipe.
[0010] As a further solution of the utility model: the output end of the working box is connected with the input end of the second hose, the output end of the second hose is connected with the input end of the evaporator, the output end of the evaporator is connected with the input end of the first hose, and the output end of the first hose is connected with the input end of the working box.
[0011] As a further solution of the utility model: the output end of the first hose is connected to the input end of the compressor, the output end of the compressor is connected to the input end of the first conduit, the output end of the first conduit is connected to the input end of the condenser, the output end of the condenser is connected to the input end of the second conduit, the output end of the second conduit is connected to the input end of the liquid tank, and the output end of the liquid tank is connected to the input end of the second hose.
[0012] As a further solution of the utility model: the outer end of the first fixed plate is fixed at the inner position of the mounting cover, the inner end of the second fixed plate is fixed at the outer position of the working box, the upper end of the screw rod slides at the inner position of the first fixed plate, the screw rod slides at the inner position of the first fixed plate through a through-type screw rod motor, and the upper end of the inner rod slides at the inner position of the outer rod.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model is a direct expansion air-conditioning unit that pushes the working box downward through an adjusting component, pressing the lower side of the working box to the ground, and the working box and the mounting cover are split structures, thereby preventing the vibration generated during the working process of the working box from being transmitted to the mounting cover to produce resonance, reducing the noise generated during the working process, and improving the quietness of the room. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of a direct expansion air conditioning unit;
[0015] Figure 2 is a perspective view of a direct expansion air conditioning unit;
[0016] Figure 3 A perspective view of a working box in a direct expansion air conditioning unit;
[0017] Figure 4 The figure is a schematic diagram of the structure of a regulating component in a direct expansion air conditioning unit.
[0018] In the figure: 1. Inlet and outlet boxes; 2. Mounting cover; 3. Positioning plate; 4. Inlet pipe; 5. Filter plate; 6. Evaporator; 7. Fan; 8. Exhaust pipe; 9. Adjusting member; 10. Working box; 11. First hose; 12. Second hose; 13. Carrying box; 14. Rubber pad; 15. Compressor; 16. First conduit; 17. Condenser; 18. Second conduit; 19. Liquid tank; 20. First fixing plate; 21. Through-type screw motor; 22. Screw; 23. Outer rod; 24. Inner rod; 25. Second fixing plate; 26. Spring. DETAILED DESCRIPTION
[0019] See also Figures 1 to 4In the embodiment of the utility model, a direct expansion air conditioning unit includes an air intake and exhaust box 1, a mounting cover 2, a positioning plate 3, an air intake pipe 4, a filter plate 5, an evaporator 6, a fan 7, and an exhaust pipe 8. The mounting cover 2 is located at the lower side of the air intake and exhaust box 1, the positioning plate 3 is located at the lower end positions of both sides of the mounting cover 2, the air intake pipe 4 is located at one side of the air intake and exhaust box 1, the filter plate 5 is located inside the air intake and exhaust box 1 near the air intake pipe 4, and the evaporator 6 is located inside the air intake and exhaust box 1 near the evaporator 6 The fan 7 is located at the other end of the interior of the air intake and exhaust box 1, the exhaust pipe 8 is located at the other side of the air intake and exhaust box 1, an adjusting member 9 is installed at the inner outer end of the mounting cover 2, a working box 10 is installed at the inner end of the adjusting member 9, a first hose 11 is provided at one end of the upper side of the working box 10, and a second hose 12 is provided at the other end of the upper side of the working box 10. The output end of the air intake pipe 4 is connected with the input end of the air intake and exhaust box 1, and the output end of the air intake and exhaust box 1 is connected with the output end of the fan 7. The output end of the fan 7 is connected with the input end of the exhaust pipe 8, the output end of the working box 10 is connected with the input end of the second hose 12, the output end of the second hose 12 is connected with the input end of the evaporator 6, the output end of the evaporator 6 is connected with the input end of the first hose 11, and the output end of the first hose 11 is connected with the input end of the working box 10. First, a direct expansion air-conditioning unit is transported to the use position, the installation cover 2 is fixed to the use position through the positioning plate 3, the adjustment component 9 is operated to drive the working box 10 to move down, the working box 10 is pressed to the ground, and then, it starts to be used, the working box 10 is operated to cool the refrigerant, and the refrigerated refrigerant is introduced into the interior of the evaporator 6 through the second hose 12, the evaporator 6 cools the air inside the intake and exhaust box 1, and the refrigerant inside the evaporator 6 is circulated to the interior of the working box 10 through the first hose 11, the fan 7 is operated to extract indoor air through the intake pipe 4, and the air is filtered through the filter plate 5. The filtered air carries the cold air outside the evaporator 6 and is discharged through the fan 7 and the exhaust pipe 8.
[0020] exist Figure 2 , 3In the figure: the working box 10 includes a carrying box 13, a rubber pad 14 is arranged at the lower side of the carrying box 13, a compressor 15 is installed at one end of the carrying box 13, a first conduit 16 is arranged at one end of the compressor 15, a condenser 17 is installed at one end of the first conduit 16, a second conduit 18 is arranged at one end of the condenser 17, a liquid tank 19 is arranged at one end of the second conduit 18, an output end of the first hose 11 is connected to an input end of the compressor 15, an output end of the compressor 15 is connected to an input end of the first conduit 16, an output end of the first conduit 16 is connected to an input end of the condenser 17, and the condenser 17 is connected to the second conduit 18. The output end of 7 is connected with the input end of the second conduit 18, the output end of the second conduit 18 is connected with the input end of the liquid tank 19, the output end of the liquid tank 19 is connected with the input end of the second hose 12, the compressor 15 runs to introduce the refrigerant into the condenser 17 through the first conduit 16, the condenser 17 cools the refrigerant and then introduces it into the liquid tank 19 through the second conduit 18, the refrigerant in the liquid tank 19 is introduced into the evaporator 6 through the second hose 12, the evaporator 6 cools the air in the intake and exhaust box 1, and the refrigerant in the evaporator 6 circulates to the compressor 15 through the first hose 11.
[0021] exist Figure 2 , 4 The adjusting member 9 includes a first fixing plate 20, a through-type screw motor 21 is installed on the upper side of the first fixing plate 20, a screw 22 is arranged inside the through-type screw motor 21, an outer rod 23 is arranged on the lower side of the screw 22, an inner rod 24 is arranged inside the outer rod 23, a second fixing plate 25 is arranged on the lower side of the inner rod 24, a spring 26 is arranged on the outer side of the inner rod 24, the outer end of the first fixing plate 20 is fixed to the inner side of the mounting housing 2, the inner end of the second fixing plate 25 is fixed to the outer side of the working box 10, the screw 22 The upper end of the inner rod 24 slides in the inner position of the first fixed plate 20, the screw rod 22 slides in the inner position of the first fixed plate 20 through the through-type screw motor 21, and the upper end of the inner rod 24 slides in the inner position of the outer rod 23. The mounting cover 2 is fixed to the use position through the positioning plate 3. The through-type screw motor 21 drives the screw rod 22 to slide inside the first fixed plate 20, and the second fixed plate 25 drives the working box 10 to move downward. The spring 26 contracts the upper end of the inner rod 24 to slide inside the outer rod 23, pressing the rubber pad 14 to the ground.
[0022] The working principle of the utility model is as follows: first, a direct expansion air-conditioning unit is transported to a use position, the mounting cover shell 2 is fixed to the use position by the positioning plate 3, the through-type screw motor 21 runs to drive the screw 22 to slide inside the first fixing plate 20, the second fixing plate 25 drives the working box 10 to move downward, the spring 26 contracts the upper end of the inner rod 24 to slide inside the outer rod 23, and the rubber pad 14 is pressed to the ground, and then, it starts to be used, the compressor 15 runs to introduce the refrigerant liquid into the interior of the condenser 17 through the first conduit 16, the condenser 17 cools the refrigerant liquid and then introduces it into the interior of the liquid tank 19 through the second conduit 18, the refrigerant liquid in the liquid tank 19 is introduced into the interior of the evaporator 6 through the second hose 12, the evaporator 6 cools the air inside the intake and exhaust box 1, the refrigerant liquid in the evaporator 6 circulates to the interior of the compressor 15 through the first hose 11, the fan 7 runs to extract indoor air through the intake pipe 4, filters the air through the filter plate 5, and the filtered air carries the cold air outside the evaporator 6 and is discharged through the fan 7 and the exhaust pipe 8.
[0023] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A direct expansion air conditioning unit, comprising an air intake and exhaust box (1), a mounting cover (2), a positioning plate (3), an air intake pipe (4), a filter plate (5), an evaporator (6), a fan (7), and an exhaust pipe (8), wherein the mounting cover (2) is located at a lower side of the air intake and exhaust box (1), the positioning plate (3) is located at lower ends of both sides of the mounting cover (2), the air intake pipe (4) is located at one side of the air intake and exhaust box (1), the filter plate (5) is located inside the air intake and exhaust box (1) at a position adjacent to the air intake pipe (4), the evaporator (6) is located inside the air intake and exhaust box (1) at a position adjacent to the evaporator (6), the fan (7) is located at the other end of the air intake and exhaust box (1), and the exhaust pipe (8) is located at the other side of the air intake and exhaust box (1), characterized in that: An adjusting member (9) is installed at the inner outer end of the installation housing (2), a working box (10) is installed at the inner end of the adjusting member (9), a first hose (11) is provided at one upper end of the working box (10), and a second hose (12) is provided at the other upper end of the working box (10).
2. A direct expansion air conditioning unit according to claim 1, characterized in that: The working box (10) comprises a carrying box (13), a rubber pad (14) is arranged on the lower side of the carrying box (13), a compressor (15) is installed at one end of the interior of the carrying box (13), a first conduit (16) is arranged at one end of the compressor (15), a condenser (17) is installed at one end of the first conduit (16), a second conduit (18) is arranged at one end of the condenser (17), and a liquid tank (19) is arranged at one end of the second conduit (18).
3. A direct expansion air conditioning unit according to claim 1, characterized in that: The adjusting member (9) comprises a first fixing plate (20), a through-type screw motor (21) is mounted on the upper side of the first fixing plate (20), a screw (22) is arranged inside the through-type screw motor (21), an outer rod (23) is arranged on the lower side of the screw (22), an inner rod (24) is arranged inside the outer rod (23), a second fixing plate (25) is arranged on the lower side of the inner rod (24), and a spring (26) is arranged on the outer side of the inner rod (24).
4. A direct expansion air conditioning unit according to claim 1, characterized in that: The output end of the air intake pipe (4) is connected to the input end of the air intake and exhaust box (1), the output end of the air intake and exhaust box (1) is connected to the output end of the fan (7), and the output end of the fan (7) is connected to the input end of the exhaust pipe (8).
5. A direct expansion air conditioning unit according to claim 1, characterized in that: The output end of the working box (10) is connected to the input end of the second hose (12), the output end of the second hose (12) is connected to the input end of the evaporator (6), the output end of the evaporator (6) is connected to the input end of the first hose (11), and the output end of the first hose (11) is connected to the input end of the working box (10).
6. A direct expansion air conditioning unit according to claim 2, characterized in that: The output end of the first hose (11) is connected to the input end of the compressor (15), the output end of the compressor (15) is connected to the input end of the first conduit (16), the output end of the first conduit (16) is connected to the input end of the condenser (17), the output end of the condenser (17) is connected to the input end of the second conduit (18), the output end of the second conduit (18) is connected to the input end of the liquid tank (19), and the output end of the liquid tank (19) is connected to the input end of the second hose (12).
7. A direct expansion air conditioning unit according to claim 3, characterized in that: The outer end of the first fixing plate (20) is fixed to the inner position of the mounting cover (2), the inner end of the second fixing plate (25) is fixed to the outer position of the working box (10), the upper end of the screw rod (22) slides to the inner position of the first fixing plate (20), the screw rod (22) slides to the inner position of the first fixing plate (20) through a through-type screw rod motor (21), and the upper end of the inner rod (24) slides to the inner position of the outer rod (23).
Citation Information
Patent Citations
All fresh air direct expansion type air conditioning unit
CN215175647U