Mute environment-friendly permanent magnet frequency conversion air compressor

By using a combination of sound-absorbing plates and sound-absorbing plates in a permanent magnet frequency converter, combined with structures such as fixed shafts, connecting rods and restriction plates, the noise problem of machine is solved, protecting the hearing of staff and reducing the impact of noise on the environment.

CN222650122UActive Publication Date: 2025-03-21DONGGUAN MEIBO AIR COMPRESSOR CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421499715.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-03-21
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

The existing permanent magnet frequency converter will produce noise during use, causing tinnitus and hearing to weaken during construction in this environment, causing irreversible damage.

Method used

A silent and environmentally friendly permanent magnet frequency inverter air compressor is designed, which adopts a combination of sound-absorbing board and sound-absorbing board. The sound-absorbing board can absorb noise, and the sound-absorbing board blocks the noise propagation of the remaining part of the sound-absorbing board, and fixes and supports parts through structures such as fixed shafts, connecting rods and restricting boards to reduce noise propagation.

Benefits of technology

It effectively reduces the spread of noise to the outside world, protects the hearing of staff, and reduces the impact of noise on the environment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222650122U_ABST
    Figure CN222650122U_ABST
Patent Text Reader

Abstract

The utility model discloses a mute environment-friendly permanent magnet frequency conversion air compressor in the technical field of permanent magnet frequency conversion air compressors, which comprises a permanent magnet frequency conversion air compressor main body, a mute component is arranged on the permanent magnet frequency conversion air compressor main body, the mute component comprises a sound absorption plate, the sound absorption plate is detachably connected in the permanent magnet frequency conversion air compressor main body, and the sound absorption plate is connected with the permanent magnet frequency conversion air compressor main body. The sound-absorbing plate is located on a working part in the machine and can absorb generated noise and reduce transmission of the noise to the outside during use, then the sound-insulating plate fixed to the sound-absorbing plate can block the remaining part of the sound-absorbing plate and reduce generation of the noise, and then the two sets of connecting rods fixed in the sound-insulating plate enable the sound-absorbing plate and the sound-insulating plate to be mutually connected. When in use, the fixing device is fixed on the fixing shaft and can play a role in fixing and supporting, then the first limiting plate fixed in the fixing device can prevent some articles from entering the fixing device and can play a role in protection, and due to the design, noise transmission to the outside is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnet variable frequency air compressors, in particular to a silent and environment-friendly permanent magnet variable frequency air compressor. Background Art

[0002] The permanent magnet variable frequency air compressor uses a permanent magnet synchronous motor as a drive. The motor uses the synchronous characteristics of the magnetic field to transmit torque. The motor speed and power frequency are adjusted by the inverter to achieve precise control of the compressor output parameters (such as pressure, flow and power). The compressor inhales external air through the intake system, and after compression, cooling and separation, the compressed air is output to the pipeline system or gas cylinder storage.

[0003] Problems with the existing technology: When the machine is in use, it will generate noise, which will cause tinnitus and hearing loss to the workers when they are working in this environment, causing irreversible damage. Utility Model Content

[0004] The purpose of the utility model is to provide a silent and environmentally friendly permanent magnet variable frequency air compressor to solve the problem that the above-mentioned machine generates noise when in use, which will cause tinnitus and hearing loss to the workers when they are working in this environment, causing irreversible damage.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A silent and environment-friendly permanent magnet variable frequency air compressor comprises a permanent magnet variable frequency air compressor body, a silent component is arranged on the permanent magnet variable frequency air compressor body, the silent component comprises a sound absorbing board, the sound absorbing board is detachably connected to the permanent magnet variable frequency air compressor body, a sound insulation board is fixedly installed on one side of the sound absorbing board, two groups of connecting rods are fixedly installed in the sound insulation board, a fixed shaft is fixedly installed at one end of the connecting rod, a first limiting plate is fixedly installed in the fixed shaft, and a limiting component is arranged on the silent component.

[0007] As a further solution of the utility model: a fan is arranged in the fixed shaft, a motor is fixedly mounted on one end of the fan, and two groups of L-shaped rods are fixedly mounted on the motor.

[0008] As a further solution of the utility model: one end of the L-shaped rod is fixedly installed on a fixed shaft, and a plug-in groove is provided on the fixed shaft.

[0009] As a further solution of the utility model: a first fixed plate is fixedly installed at the lower end of the motor, a sliding groove is opened on the first fixed plate, a slide plate is slidably connected in the sliding groove, second limiting plates are fixedly installed at both ends of the slide plate, and a support rod is fixedly installed at the lower end of the slide plate.

[0010] As a further solution of the utility model: a telescopic plate is fixedly installed on the sound insulation board.

[0011] As a further solution of the utility model: the limiting component includes a blocking plate, a pull rod is fixedly installed on one side of the blocking plate, one side of the blocking plate is closely connected to the first fixed plate, and a spring is fixedly installed on the upper end of the blocking plate.

[0012] As a further solution of the utility model: a second fixing plate is fixedly installed on the upper end of the spring, the lower end of the second fixing plate is slidably connected to the blocking plate, and a sliding groove is opened on one side of the second fixing plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, when in use, the sound-absorbing board is located on the working parts inside the machine, and can absorb the noise generated during use, reducing the spread of noise to the outside world. Then the sound insulation board fixed thereon can block the remaining part of the sound-absorbing board therein, reducing the generation of noise. Then the two groups of connecting rods fixed in the sound insulation board are fixed on the fixed axis when in use, which can play the role of fixing and supporting. Then the first limiting plate fixed therein can prevent some objects from entering therein, and can play a protective role. Such a design reduces the spread of noise to the outside world.

[0015] 2. In the utility model, by fixing the fan disposed in the shaft, the motor can drive the fan to rotate when in use, which can play a role in heat dissipation, and then the two sets of L-shaped rods fixed thereon can cooperate with the following parts.

[0016] 3. In the present invention, the L-shaped rod is fixed on the fixed shaft, and the insertion groove provided on the L-shaped rod allows the L-shaped rod to be inserted into the insertion groove, which can play a restrictive role.

[0017] 4. In the utility model, the first fixed plate is fixed at the lower end of the motor, and the sliding groove is opened on it. When in use, the slide plate and the two sets of second limiting plates fixed on the slide plate can slide in the sliding groove, which can be easily disassembled, and then the support rod can play a supporting role.

[0018] 5. In the utility model, the telescopic plate is fixed on one side of the sound insulation board, and the other end of the telescopic plate is plug-connected to the sound insulation board, so that it can play the role of plugging and telescoping when in use.

[0019] 6. In the utility model, the blocking plate is attached to the first fixed plate to play a blocking role, and then the pull rod fixed thereon can pull the pull rod to drive the blocking plate to squeeze the spring for extrusion when in use.

[0020] 7. In the utility model, one end of the two sets of springs is fixed in the second fixed plate, and the blocking plate slides therein, and the sliding groove provided thereon enables the pull rod to slide. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the mute component in the utility model;

[0023] Figure 3 yes Figure 2 A schematic diagram of the structure at A;

[0024] Figure 4 It is a structural schematic diagram of the limiting component in the utility model.

[0025] In the figure: 1. permanent magnet variable frequency air compressor body; 2. silent component; 201. sound absorbing board; 202. sound insulation board; 203. connecting rod; 204. fixed shaft; 205. first limiting plate; 206. fan; 207. motor; 208. L-shaped rod; 209. plug-in slot; 210. support rod; 211. telescopic plate; 212. first fixed plate; 213. sliding slot; 214. second limiting plate; 215. slide plate; 3. limiting component; 301. second fixed plate; 302. sliding slot; 303. blocking plate; 304. pull rod; 305. spring. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figures 1-2In the embodiment of the utility model, the silent and environmentally friendly permanent magnet variable frequency air compressor includes a permanent magnet variable frequency air compressor body 1, and a silent component 2 is arranged on the permanent magnet variable frequency air compressor body 1. The silent component 2 includes a sound absorbing plate 201, and the sound absorbing plate 201 is detachably connected to the permanent magnet variable frequency air compressor body 1. A sound insulation plate 202 is fixedly installed on one side of the sound absorbing plate 201, and two groups of connecting rods 203 are fixedly installed in the sound insulation plate 202. A fixed shaft 204 is fixedly installed at one end of the connecting rod 203, and a first limiting plate 205 is fixedly installed in the fixed shaft 204. A limiting component 3 is arranged on the silent component 2.

[0028] Among them, when in use, the sound-absorbing plate 201 is located on the working parts inside the machine, and can absorb the noise generated during use to reduce the spread of noise to the outside world, and then the sound insulation plate 202 fixed thereon can block the remaining part of the sound-absorbing plate 201 therein to reduce the generation of noise, and then the two sets of connecting rods 203 fixed in the sound insulation plate 202 are fixed on the fixed shaft 204 when in use, which can play a role of fixing and supporting, and then the first limiting plate 205 fixed therein can be used to place some items into it, which can play a protective role. Such a design reduces the spread of noise to the outside world.

[0029] See also Figure 2 A fan 206 is disposed in the fixed shaft 204 , a motor 207 is fixedly mounted on one end of the fan 206 , and two groups of L-shaped rods 208 are fixedly mounted on the motor 207 .

[0030] Among them, the fan 206 arranged in the fixed shaft 204 can be driven by the motor 207 to rotate when in use, which can play a role in heat dissipation. Then the two groups of L-shaped rods 208 fixed thereon can cooperate with the following parts.

[0031] See also Figure 2 One end of the L-shaped rod 208 is fixedly mounted on the fixed shaft 204 , and a plug-in slot 209 is provided on the fixed shaft 204 .

[0032] The L-shaped rod 208 is fixed on the fixed shaft 204 , and the insertion slot 209 provided thereon allows the L-shaped rod 208 to be inserted into the insertion slot 209 , which can play a limiting role.

[0033] See also Figures 2-3 A first fixed plate 212 is fixedly installed at the lower end of the motor 207, a sliding groove 213 is opened on the first fixed plate 212, a slide plate 215 is slidably connected in the sliding groove 213, second limiting plates 214 are fixedly installed at both ends of the slide plate 215, and a support rod 210 is fixedly installed at the lower end of the slide plate 215.

[0034] Among them, the first fixed plate 212 is fixed at the lower end of the motor 207, and the sliding groove 213 is opened thereon. When in use, the slide plate 215 and the two sets of second limiting plates 214 fixed on the slide plate 215 can slide in the sliding groove 213, which can be easily disassembled, and then the support rod 210 can play a supporting role.

[0035] See also Figure 2 A telescopic plate 211 is fixedly mounted on the sound insulation plate 202 .

[0036] Among them, a telescopic plate 211 is fixed on one side of the sound insulation board 202, and the other end of the telescopic plate 211 is plugged and connected to the sound insulation board 202, which can play the role of plugging and telescoping when in use.

[0037] See also Figure 4 The limiting component 3 includes a blocking plate 303 , a pull rod 304 is fixedly installed on one side of the blocking plate 303 , one side of the blocking plate 303 is closely connected to the first fixed plate 212 , and a spring 305 is fixedly installed on the upper end of the blocking plate 303 .

[0038] The blocking plate 303 is attached to the first fixed plate 212 and can play a blocking role. The pull rod 304 fixed thereon can pull the pull rod 304 to drive the blocking plate 303 to squeeze the spring 305 when in use.

[0039] See also Figure 4 A second fixing plate 301 is fixedly mounted on the upper end of the spring 305 , and a lower end of the second fixing plate 301 is slidably connected to the blocking plate 303 . A sliding groove 302 is provided on one side of the second fixing plate 301 .

[0040] One end of the two sets of springs 305 is fixed in the second fixing plate 301, and the blocking plate 303 slides therein, and the sliding groove 302 provided thereon allows the pull rod 304 to slide.

[0041] The working principle of the utility model is as follows: when in use, the sound-absorbing plate 201 is located on the working parts inside the machine, and can absorb the generated noise when in use, reducing the propagation of the noise to the outside world, and then the sound insulation plate 202 fixed thereon can block the remaining part of the sound-absorbing plate 201 therein, reducing the generation of noise, and then the two groups of connecting rods 203 fixed inside the sound insulation plate 202 are fixed on the fixed shaft 204 when in use, and can play the role of fixing and supporting, and then the first limiting plate 205 fixed therein can be used to place some objects into it, which can play a protective role. Such a design reduces the propagation of noise to the outside world.

[0042] The above description 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 silent and environmentally friendly permanent magnet variable frequency air compressor, comprising a permanent magnet variable frequency air compressor body (1), characterized in that: The permanent magnet variable frequency air compressor body (1) is provided with a mute component (2), the mute component (2) comprising a sound absorbing board (201), the sound absorbing board (201) being detachably connected to the permanent magnet variable frequency air compressor body (1), a sound insulation board (202) being fixedly installed on one side of the sound absorbing board (201), two groups of connecting rods (203) being fixedly installed in the sound insulation board (202), a fixed shaft (204) being fixedly installed at one end of the connecting rod (203), a first limiting plate (205) being fixedly installed in the fixed shaft (204), and a limiting component (3) being provided on the mute component (2).

2. The silent and environment-friendly permanent magnet variable frequency air compressor according to claim 1 is characterized in that: A fan (206) is arranged inside the fixed shaft (204), a motor (207) is fixedly mounted on one end of the fan (206), and two groups of L-shaped rods (208) are fixedly mounted on the motor (207).

3. The silent and environment-friendly permanent magnet variable frequency air compressor according to claim 2 is characterized in that: One end of the L-shaped rod (208) is fixedly mounted on the fixed shaft (204), and the fixed shaft (204) is provided with a plug-in slot (209).

4. The silent and environment-friendly permanent magnet variable frequency air compressor according to claim 2 is characterized in that: A first fixing plate (212) is fixedly mounted at the lower end of the motor (207), a sliding groove (213) is provided on the first fixing plate (212), a sliding plate (215) is slidably connected in the sliding groove (213), second limiting plates (214) are fixedly mounted at both ends of the sliding plate (215), and a support rod (210) is fixedly mounted at the lower end of the sliding plate (215).

5. The silent and environment-friendly permanent magnet variable frequency air compressor according to claim 1 is characterized in that: A telescopic plate (211) is fixedly mounted on the sound insulation plate (202).

6. The silent and environment-friendly permanent magnet variable frequency air compressor according to claim 1 is characterized in that: The limiting assembly (3) comprises a blocking plate (303), a pull rod (304) is fixedly mounted on one side of the blocking plate (303), one side of the blocking plate (303) is closely connected to the first fixed plate (212), and a spring (305) is fixedly mounted on the upper end of the blocking plate (303).

7. The silent and environment-friendly permanent magnet variable frequency air compressor according to claim 6 is characterized in that: A second fixing plate (301) is fixedly mounted on the upper end of the spring (305), the lower end of the second fixing plate (301) is slidably connected to the blocking plate (303), and a sliding groove (302) is provided on one side of the second fixing plate (301).