CN218407718U - Permanent magnet variable frequency air compressor - Google Patents

Abstract

The utility model relates to a permanent magnet variable frequency air compressor, which comprises a shell, a permanent magnet variable frequency motor, a noise reduction and damping component and a heat dissipation component; the permanent magnet variable frequency motor, the noise reduction and vibration reduction assembly and the heat dissipation assembly are all arranged in the shell; the noise-reducing and shock-absorbing assembly comprises a plurality of shock-absorbing bases and shock-absorbing laminates, the permanent magnet variable frequency motor is arranged on the shock-absorbing laminates, one end of each shock-absorbing base is connected with the shock-absorbing laminates, and the other end of each shock-absorbing base is connected with the inner wall of the shell; the heat dissipation assembly comprises a heat dissipation fan and a fan motor, a ventilation opening is formed in the shell, the heat dissipation fan is arranged at the ventilation opening, and the fan motor is in driving connection with the heat dissipation fan. The utility model provides a permanent magnetism frequency conversion air compressor, its during operation's vibration range is less, and the noise that sends is less, can let the staff better operate permanent magnetism frequency conversion air compressor; meanwhile, the heat dissipation assembly is arranged in the shell and can effectively reduce the temperature in the shell so as to ensure that the permanent magnet motor can normally work.

Description

Permanent magnet variable frequency air compressor

Technical Field

The utility model relates to a technical field of air compressor machine especially relates to a permanent magnetism frequency conversion air compressor machine.

Background

An air compressor is a device for compressing gas. The air compressor is constructed similarly to a water pump. Most air compressors are reciprocating piston type, rotating vane or rotating screw.

Permanent magnetism frequency conversion air compressor machine is one kind in the air compressor. The permanent magnet variable frequency air compressor utilizes the stepless speed regulation characteristic of a frequency converter according to the variable frequency screw air compressor, and can be started smoothly through a controller or a PID regulator inside the frequency converter; and the gas consumption fluctuation is large, and the response can be quickly adjusted.

Most of the existing permanent magnet variable frequency air compressors can generate large noise and vibration when compressing air, and the existing permanent magnet variable frequency air compressors have poor heat dissipation effects, so that the permanent magnet variable frequency air compressors are not beneficial to normally working.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a permanent magnetism frequency conversion air compressor machine to solve the problem that mentions in the above-mentioned background art.

The technical scheme of the utility model is a permanent magnet variable frequency air compressor, which comprises a shell, a permanent magnet variable frequency motor, a noise reduction and shock absorption assembly and a heat dissipation assembly; the permanent magnet variable frequency motor, the noise reduction and shock absorption assembly and the heat dissipation assembly are all arranged in the shell; the noise-reducing and shock-absorbing assembly comprises a plurality of shock-absorbing bases and shock-absorbing laminates, the permanent magnet variable frequency motor is arranged on the shock-absorbing laminates, one end of each shock-absorbing base is connected with the shock-absorbing laminates, and the other end of each shock-absorbing base is connected with the inner wall of the shell; the heat dissipation assembly comprises a heat dissipation fan and a fan motor, a ventilation opening is formed in the shell, the heat dissipation fan is arranged at the ventilation opening, and the fan motor is connected with the heat dissipation fan in a driving mode.

In one embodiment, the damping laminate comprises two fixing plates and a buffer layer, and the two fixing plates are arranged by clamping the buffer layer.

In one embodiment, the buffer layer is made of rubber or silica gel.

In one embodiment, the number of the shock absorption bases is at least four, the four shock absorption bases are respectively arranged at four corners close to the shock absorption laminate, and the shock absorption bases are used for fixedly arranging the shock absorption laminate in the shell.

In one embodiment, the damping mount comprises a damping spring, an upper mount shell and a lower mount shell, one end of the damping spring is connected with the upper mount shell, the other end of the damping spring is connected with the lower mount shell, and the upper mount shell is connected with the damping laminate.

In one embodiment, a screen is provided at the vent.

In one embodiment, the gauze is made of iron.

In one embodiment, a noise reduction layer is arranged on the inner wall of the shell.

The beneficial effects of the utility model are that: the noise-reduction damping assembly is arranged at the bottom of the permanent magnet variable frequency motor, so that the vibration of the permanent magnet variable frequency motor during working can be effectively buffered, and the vibration of the shell is further reduced. Meanwhile, the heat dissipation assembly is arranged in the shell and used for reducing the temperature in the shell, and therefore the permanent magnet variable frequency motor can work better in the shell. The utility model provides a permanent magnetism frequency conversion air compressor machine, its during operation's vibration range is less, and the noise that sends is less, can let the staff operate permanent magnetism frequency conversion air compressor machine better; meanwhile, the heat dissipation assembly is arranged in the shell and can effectively reduce the temperature in the shell so as to ensure that the permanent magnet motor can normally work.

Drawings

Fig. 1 is a schematic perspective view of a permanent magnet variable frequency air compressor in one direction in an embodiment;

fig. 2 is a schematic perspective view of a permanent magnet variable frequency motor and a noise reduction and vibration reduction assembly in one direction in an embodiment.

In the attached drawings, 10, a permanent magnet variable frequency air compressor; 100. a housing; 200. a permanent magnet variable frequency motor; 300. a noise-reducing and shock-absorbing component; 310. damping laminates; 311. a fixing plate; 312. a buffer layer; 320. a damping mount; 400. a heat dissipating component; 410. a fan motor; 420. a heat radiation fan; 500. and a noise reduction layer.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The following will be combined with the drawings of the embodiments of the present invention to further describe the technical solution of the present invention, and the present invention is not limited to the following specific embodiments.

It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar parts. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience of description and simplicity of description, but does not indicate or imply that the equipment or components referred to must have specific orientations, be constructed in specific orientations, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art will understand the specific meanings of the terms according to specific situations.

In one embodiment, as shown in fig. 1 and 2, a permanent magnet variable frequency air compressor 10 includes a housing 100, a permanent magnet variable frequency motor 200, a noise reduction and vibration reduction assembly 300, and a heat dissipation assembly 400; the permanent magnet variable frequency motor 200, the noise reduction and shock absorption assembly 300 and the heat dissipation assembly 400 are all arranged in the shell 100; the noise reduction and vibration reduction assembly 300 comprises a plurality of vibration reduction bases 320 and vibration reduction laminates 310, the permanent magnet variable frequency motor 200 is arranged on the vibration reduction laminates 310, one end of each vibration reduction base 320 is connected with the vibration reduction laminates 310, and the other end of each vibration reduction base 320 is connected with the inner wall of the shell 100; the heat dissipation assembly 400 includes a heat dissipation fan 420 and a fan motor 410, a vent is opened on the housing 100, the heat dissipation fan 420 is disposed at the vent, and the fan motor 410 is drivingly connected to the heat dissipation fan 420.

Specifically, the noise-reducing and shock-absorbing assembly 300 is arranged at the bottom of the permanent magnet variable frequency motor 200, and the shock-absorbing laminate 310 in the noise-reducing and shock-absorbing assembly 300 reduces the shock of the permanent magnet variable frequency motor 200 during operation by blocking the conduction of the shock; the vibration of the permanent magnet variable frequency motor 200 during operation is reduced by dispersing the vibration and then relieving the vibration in the vibration damping base 320 of the noise reduction and vibration reduction assembly 300. Through the arrangement, the noise reduction and shock absorption assembly 300 can effectively buffer the vibration of the permanent magnet variable frequency motor 200 during working, so that the vibration of the shell 100 is reduced. Meanwhile, a heat dissipation assembly 400 is arranged in the casing 100, and the heat dissipation assembly 400 is used for reducing the temperature in the casing 100, so that the permanent magnet variable frequency motor 200 can work at a proper environment temperature in the casing 100. The vibration amplitude of the permanent magnet variable frequency air compressor 10 during working is small, the emitted noise is small, and workers can better operate the permanent magnet variable frequency air compressor 10; meanwhile, a heat dissipation assembly 400 is arranged in the casing 100, and the heat dissipation assembly 400 can effectively reduce the temperature in the casing 100, so as to ensure that the permanent magnet motor can normally work in a proper temperature environment.

In order to reduce the vibration and noise of the pm inverter motor 200 during operation, in one embodiment, as shown in fig. 2, the damping layer plate 310 includes two fixing plates 311 and a buffer layer 312, and the two fixing plates 311 are disposed to sandwich the buffer layer 312. Specifically, the two fixing plates 311 are metal plates, and the buffer layer 312 is disposed between the two fixing plates 311. The fixing plate 311 may be formed of a metal plate to secure the strength of the fixing plate 311, so that the fixing plate 311 may be used for a longer time. When the permanent magnet variable frequency air compressor 10 works, the permanent magnet variable frequency motor 200 can emit vibration and noise with larger amplitude, and the permanent magnet motor is buffered through the damping layer, so that the noise and vibration of the permanent magnet variable frequency air compressor 10 during working can be effectively relieved.

In this embodiment, the buffer layer 312 is made of rubber or silicone. Specifically, rubber or silicone rubber has better flexibility and sound insulation function. Two fixed plate 311 is the metal sheet, and the metal sheet has better rigidity, can conduct vibrations well, and through two be provided with rubber or silica gel between the fixed plate 311, can slow down two by to a great extent the vibrations of fixed plate 311 can reduce like this the noise that sends when fixed plate 311 shakes. And then reduce the vibrations of permanent-magnet machine during operation drink the noise.

In order to further reduce the vibration and noise generated during the operation of the permanent magnet variable frequency motor 200, in one embodiment, as shown in fig. 2, at least four damping bases 320 are provided, the four damping bases 320 are respectively provided at four corners close to the damping layer plate 310, and the damping bases 320 are used for fixedly arranging the damping layer plate 310 in the casing 100. Specifically, four the cushion socket sets up respectively four corners of shock attenuation plywood 310, like this the mid portion of shock attenuation plywood 310 will vacate, can not with casing 100 butt, and then let shock attenuation plywood 310 is bearing vibrations that the permanent-magnet machine during operation conduction was come will disperse four on the cushion socket, then pass through the cushion socket carries out the vibrations buffering that the conduction was come, has so both protected permanent-magnet variable frequency motor 200, can also slow down simultaneously vibrations and the noise of permanent-magnet variable frequency motor 200 during operation.

In this embodiment, the damping mount 320 includes a damping spring, an upper mount case and a lower mount case, one end of the damping spring is connected to the upper mount case, the other end of the damping spring is connected to the lower mount case, and the upper mount case is connected to the damping laminate 310. Specifically, the upper base shell and the lower base shell wrap the damping spring. And the shock-absorbing layer with the upper base shell is connected, permanent magnet variable frequency motor 200 and some mechanical components all set up on the shock-absorbing layer. When the permanent magnet variable frequency air compressor 10 works, the permanent magnet variable frequency motor 200 can emit vibration with a larger amplitude, and the vibration is reduced through the damping spring, so that the vibration of the permanent magnet variable frequency motor 200 during working can be effectively reduced.

In order to prevent dust and foreign materials from entering the housing 100 through the ventilation opening, in one embodiment, a screen (not shown) is disposed at the ventilation opening. Specifically, the gauze mask is arranged at the vent. The gauze has a small mesh size, which effectively prevents large particles of dust or foreign matter from entering the housing 100 through the vent.

In order to make the screen more durable, in one embodiment, the screen is made of iron. Specifically, the gauze is made of metal iron, so that the gauze has higher strength, and the gauze is more durable.

In order to reduce the noise emission in the housing 100, in one embodiment, as shown in fig. 1, a noise reduction layer 500 is disposed on the inner wall of the housing 100. Specifically, the noise reduction layers 500 at least include three noise reduction layers 500, and the three noise reduction layers 500 are respectively disposed on three inner walls of the housing 100. The material of the noise reduction layer 500 is sound absorption sponge, and the sound absorption sponge can absorb noise in the shell 100, so that noise generated during the operation of the permanent magnet variable frequency air compressor 10 can be reduced.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. A permanent magnet variable frequency air compressor is characterized by comprising a shell, a permanent magnet variable frequency motor, a noise reduction and vibration reduction assembly and a heat dissipation assembly;

the permanent magnet variable frequency motor, the noise-reducing and shock-absorbing component and the heat dissipation component are all arranged in the shell;

the noise-reducing and shock-absorbing assembly comprises a plurality of shock absorption bases and shock absorption laminates, the permanent magnet variable frequency motor is arranged on the shock absorption laminates, one end of each shock absorption base is connected with the shock absorption laminates, and the other end of each shock absorption base is connected with the inner wall of the shell;

the heat dissipation assembly comprises a heat dissipation fan and a fan motor, a ventilation opening is formed in the shell, the heat dissipation fan is arranged at the ventilation opening, and the fan motor is connected with the heat dissipation fan in a driving mode.

2. The permanent magnet variable frequency air compressor as claimed in claim 1, wherein the damping laminate comprises two fixing plates and a buffer layer, and the two fixing plates are arranged to clamp the buffer layer.

3. The permanent magnet variable frequency air compressor of claim 2, wherein the buffer layer is made of rubber or silica gel.

4. The permanent magnet variable frequency air compressor as claimed in claim 1, wherein the number of the shock absorption base is at least four, the four shock absorption bases are respectively arranged at four corners close to the shock absorption layer plate, and the shock absorption bases are used for fixedly arranging the shock absorption layer plate in the shell.

5. The permanent magnet variable frequency air compressor of claim 1, wherein the damping base comprises a damping spring, an upper base shell and a lower base shell, one end of the damping spring is connected with the upper base shell, the other end of the damping spring is connected with the lower base shell, and the upper base shell is connected with the damping laminate.

6. The permanent magnet variable frequency air compressor according to claim 1, wherein a gauze is arranged at the vent.

7. The permanent magnet variable frequency air compressor of claim 6, wherein the gauze is made of iron.

8. The permanent magnet variable frequency air compressor of claim 1, wherein a noise reduction layer is disposed on an inner wall of the housing.

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