Air outlet adjusting device of enthalpy difference wind tunnel
By designing an enthalpy difference wind tunnel outlet air conditioning device, the problems of gas filtration and outlet angle adjustment were solved, achieving gas purification and flexible angle adjustment, and improving the equipment's sealing performance and ease of operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU LENGCHUAN TECH CO LTD
- Filing Date
- 2025-07-28
- Publication Date
- 2026-05-15
AI Technical Summary
Existing enthalpy difference wind tunnel outlet air conditioning devices are not convenient for filtering the output gas to remove impurities and dust, and are also inconvenient for replacing filter screens and adjusting the angle of the air outlet.
An air outlet adjustment device was designed, comprising a rectangular socket, a U-shaped seat, a rectangular air supply duct, and an air outlet nozzle. The rectangular socket is fixed to the air outlet port of the enthalpy difference wind tunnel. The rectangular air supply duct is connected through a flexible conveying pipe. A filter screen is installed at the outlet of the air supply duct. The angle of the air outlet nozzle is adjusted by a damping rotating shaft. The locking cover facilitates the replacement of the filter screen.
It achieves effective gas filtration, removes impurities and dust, facilitates the cleaning and replacement of the filter screen, and the air outlet can be adjusted to different angles to meet various usage needs, improving the equipment's sealing performance and ease of operation.
Smart Images

Figure CN224247269U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of enthalpy difference wind tunnel testing technology, specifically to an enthalpy difference wind tunnel outlet air adjustment device. Background Technology
[0002] Enthalpy difference wind tunnels are primarily used to determine performance parameters of equipment such as air conditioners and heat pumps, including cooling capacity, heating capacity, and energy efficiency ratio. Their advantages lie in high testing efficiency; measurements can be taken within two hours of the operating conditions stabilizing, compared to over six hours required by the traditional room heat balance method. Furthermore, the enthalpy difference method is applicable to various operating conditions, such as low-temperature environments, and can perform non-steady-state heating capacity measurements, which is impossible with the room heat balance method.
[0003] Existing enthalpy difference wind tunnel outlet air conditioning devices are not convenient for filtering the output gas to remove impurities and dust, are not convenient for removing the filter screen for cleaning and replacement, and are not convenient for rotating the air outlet to different blowing angles. Utility Model Content
[0004] To address the problems in the existing technology, this utility model provides an enthalpy difference wind tunnel outlet air regulating device. The enthalpy difference wind tunnel outlet air regulating device facilitates the filtration of the output gas, removes impurities and dust from the gas, facilitates the removal of the filter screen for cleaning and replacement, and facilitates the rotation of the air outlet to different blowing angles.
[0005] The technical solution adopted by this utility model to solve its technical problem is an enthalpy difference wind tunnel air outlet adjustment device, including a rectangular sleeve interface, a U-shaped seat, a rectangular air supply pipe and an air outlet nozzle. The bottom two ends of the rectangular sleeve interface are welded with connecting blocks, and one side of the connecting blocks is connected to the U-shaped seat through a connecting rod. The rectangular air supply pipe is connected to the U-shaped seat through a damping rotating shaft. One end of the rectangular air supply pipe is fitted with a back plate, and a bottom plate is welded to the bottom of the back plate.
[0006] A locking cover is attached to one side of the back plate and snaps onto the top of the base plate via a pivot. A filter screen is installed at the outlet of the rectangular air supply pipe inside the locking cover via screws. A U-shaped magnetic gasket is adhered to the top outer side of the base plate.
[0007] By adopting the above technical solution, the enthalpy difference wind tunnel outlet air regulating device can easily filter the output gas, remove impurities and dust from the gas, make it easy to remove the filter screen for cleaning and replacement, and make it easy to rotate the air outlet to different blowing angles.
[0008] Specifically, a sealing gasket is adhered to the outer side of the inner wall of the rectangular socket, and the sealing gasket is made of silicone rubber.
[0009] By adopting the above technical solution, the sealing gasket is specifically made of silicone rubber material, which has high elasticity and good sealing effect, improving the sealing effect with the air outlet port of the enthalpy difference wind tunnel test equipment and preventing leakage.
[0010] Specifically, the U-shaped magnetic pad contacts the outer edge of the bottom of the locking cover, and the locking cover is made of iron material.
[0011] Specifically, locking bolts are installed on both sides of the rectangular socket through screw holes.
[0012] By adopting the above technical solution, a rectangular sleeve is fitted onto the air outlet port of the enthalpy difference wind tunnel test equipment and the locking bolts are tightened to achieve fixation.
[0013] Specifically, the rectangular socket and the rectangular air supply pipe are connected by a flexible delivery pipe.
[0014] Specifically, an air outlet is installed at one end of the latching cover through a mounting hole.
[0015] The beneficial effects of this utility model are:
[0016] (1) The enthalpy difference wind tunnel outlet air adjustment device of this utility model is fixed by using a rectangular sleeve to fit onto the outlet port of the enthalpy difference wind tunnel test equipment and tightening the locking bolt. The gas discharged from the enthalpy difference wind tunnel test equipment enters the rectangular air supply pipe through the flexible conveying pipe. A filter screen is installed at the outlet of the rectangular air supply pipe to facilitate the filtration of the output gas and remove impurities and dust in the gas.
[0017] (2) The enthalpy difference wind tunnel air outlet adjustment device described in this utility model allows the treated gas to enter the locking cover and finally be blown out from the air outlet. The damping shaft makes it easy to rotate the air outlet to different blowing angles to meet different usage needs. The locking cover can be lifted up to make it easy to remove the filter screen for cleaning and replacement, saving manpower and resources. Attached Figure Description
[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This is a schematic diagram of the sealing gasket structure of this utility model;
[0021] Figure 3 This is a schematic diagram of the filter screen structure of this utility model.
[0022] In the diagram: 1. U-shaped magnetic gasket; 2. Base plate; 3. Back plate; 4. U-shaped seat; 5. Damping shaft; 6. Connecting rod; 7. Connecting block; 8. Locking bolt; 9. Rectangular socket; 10. Flexible conveying pipe; 11. Rectangular air supply pipe; 12. Clamping cover; 13. Air outlet; 14. Sealing gasket; 15. Filter screen. Detailed Implementation
[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0024] To facilitate the enthalpy difference wind tunnel outlet air conditioning device in filtering the output gas, removing impurities and dust, and allowing for easy removal of the filter screen 15 for cleaning and replacement, as well as easy rotation of the air outlet 13 to different blowing angles, such as... Figure 1-3 As shown, the enthalpy difference wind tunnel air outlet adjustment device of this utility model includes a rectangular sleeve interface 9, a U-shaped seat 4, a rectangular air supply pipe 11 and an air outlet 13. The bottom two ends of the rectangular sleeve interface 9 are welded with connecting blocks 7, and one side of the connecting block 7 is connected to the U-shaped seat 4 through a connecting rod 6. The rectangular air supply pipe 11 is connected to the U-shaped seat 4 through a damping rotating shaft 5. One end of the rectangular air supply pipe 11 is fitted with a back plate 3, and the bottom of the back plate 3 is welded with a bottom plate 2.
[0025] A locking cover 12 is attached to one side of the back plate 3 and snaps onto the top of the base plate 2 via a pivot. A filter screen 15 is installed at the outlet of the rectangular air duct 11 and inside the locking cover 12 via screws. A U-shaped magnetic gasket 1 is adhered to the outer top of the base plate 2.
[0026] When in use, the enthalpy difference wind tunnel outlet air adjustment device facilitates the filtration of the output gas, removes impurities and dust from the gas, makes it easy to remove the filter screen 15 for cleaning and replacement, and makes it easy to rotate the air outlet 13 to different blowing angles.
[0027] For example, such as Figure 1 , 2 As shown, the present invention also includes a sealing gasket 14 bonded to the outer side of the inner wall of the rectangular sleeve 9, wherein the sealing gasket 14 is specifically made of silicone rubber material.
[0028] When in use, the sealing gasket 14 is made of silicone rubber, which has high elasticity and good sealing effect, improving the sealing effect with the air outlet of the enthalpy difference wind tunnel test equipment and preventing leakage.
[0029] For example, such as Figure 1 As shown, the present invention also includes the U-shaped magnetic pad 1 in contact with the outer edge of the bottom of the latching cover 12, and the latching cover 12 is specifically made of iron material.
[0030] In use, the snap-fit cover 12 is easily attached to the base plate 2 and is easy to open.
[0031] For example, such as Figure 1 As shown, the present invention also includes locking bolts 8 installed on both sides of the rectangular socket 9 through screw holes.
[0032] In use, the rectangular socket 9 is fitted onto the air outlet of the enthalpy difference wind tunnel test equipment and the locking bolt 8 is tightened to achieve fixation.
[0033] For example, such as Figure 1 As shown, the present invention also includes a flexible conveying pipe 10 connecting the rectangular socket 9 and the rectangular air supply pipe 11.
[0034] During use, the gas discharged from the enthalpy difference wind tunnel test equipment enters the rectangular air supply pipe 11 through the flexible delivery pipe 10.
[0035] For example, such as Figure 1 As shown, the present invention also includes an air outlet 13 installed at one end of the locking cover 12 through a mounting hole.
[0036] During use, the treated gas enters the locking cover 12 and is eventually blown out from the air outlet 13.
[0037] In use, the rectangular sleeve 9 is fitted onto the air outlet of the enthalpy difference wind tunnel test equipment and the locking bolt 8 is tightened to fix it. The gas discharged from the enthalpy difference wind tunnel test equipment enters the rectangular air supply pipe 11 through the flexible conveying pipe 10.
[0038] A filter screen 15 is installed at the outlet of the rectangular air supply pipe 11 to facilitate the filtration of the output gas, remove impurities and dust from the gas, and the treated gas enters the locking cover 12 and is finally blown out from the air outlet 13. The damping shaft 5 makes it easy to rotate the air outlet 13 to different blowing angles to meet different usage needs.
[0039] Lifting the cover 12 upwards makes it easy to remove the filter screen 15 for cleaning and replacement, saving manpower and resources.
[0040] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The descriptions of the above embodiments and specifications are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. An enthalpy difference wind tunnel outlet air regulating device, characterized in that, It includes a rectangular socket (9), a U-shaped seat (4), a rectangular air supply pipe (11) and an air outlet (13). The bottom two ends of the rectangular socket (9) are welded with connecting blocks (7) and one side of the connecting block (7) is connected to the U-shaped seat (4) through a connecting rod (6). The U-shaped seat (4) is connected to the rectangular air supply pipe (11) through a damping shaft (5). One end of the rectangular air supply pipe (11) is fitted with a back plate (3) and the bottom of the back plate (3) is welded with a bottom plate (2). A locking cover (12) is attached to one side of the back plate (3) and snapped onto the top of the base plate (2) via a pivot. A filter screen (15) is installed at the outlet of the rectangular air supply pipe (11) inside the locking cover (12) via screws. A U-shaped magnetic pad (1) is adhered to the outer top of the base plate (2).
2. The enthalpy difference wind tunnel outlet air regulating device according to claim 1, characterized in that, A sealing gasket (14) is bonded to the outer side of the inner wall of the rectangular socket (9), and the sealing gasket (14) is specifically made of silicone rubber material.
3. The enthalpy difference wind tunnel outlet air regulating device according to claim 1, characterized in that, The U-shaped magnetic pad (1) is in contact with the outer edge of the bottom of the snap-fit cover (12), which is specifically made of iron material.
4. The enthalpy difference wind tunnel outlet air regulating device according to claim 1, characterized in that, Locking bolts (8) are installed on both sides of the rectangular socket (9) through screw holes.
5. The enthalpy difference wind tunnel outlet air regulating device according to claim 1, characterized in that, The rectangular socket (9) and the rectangular air supply pipe (11) are connected by a flexible delivery pipe (10).
6. The enthalpy difference wind tunnel outlet air regulating device according to claim 1, characterized in that, An air outlet (13) is installed at one end of the latch cover (12) through a mounting hole.