CN210167994U - Special frequency converter for permanent magnet synchronous motor - Google Patents
Special frequency converter for permanent magnet synchronous motor Download PDFInfo
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- CN210167994U CN210167994U CN201921482445.2U CN201921482445U CN210167994U CN 210167994 U CN210167994 U CN 210167994U CN 201921482445 U CN201921482445 U CN 201921482445U CN 210167994 U CN210167994 U CN 210167994U
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Abstract
The utility model relates to the technical field of frequency converters, in particular to a special frequency converter for a permanent magnet synchronous motor, which comprises a frequency converter main body, a control box is fixedly connected on the outer wall of a shell of the frequency converter main body, the control box is in a circular plate shell shape, a plurality of purification devices which are uniformly distributed are arranged in the middle ring of the control box, one side of each purification device is connected with a control ring, the control ring is arranged in the side wall of the control box, a fixed ring at one side of the control ring is provided with a plurality of pressure rods which are uniformly distributed, one end of each pressure rod extends to the outside of the control box, the middle part of an inner cavity of the control box is provided with a vibration sheet, one end of each purification device is connected with the vibration sheet, and the purification devices comprise springs, pressure plates, lead screws and gears. The service life of the device is prolonged.
Description
Technical Field
The utility model relates to a converter technical field specifically is a special converter of PMSM.
Background
In the prior art, when the special frequency converter for the permanent magnet synchronous motor works, the influence of motor vibration or other external vibration on the work of the frequency converter may exist, and in the past, the frequency converter and the motor may be directly damaged, so that certain loss is caused.
If the frequency converter is provided with the vibration energy absorption device, certain external vibration energy can be shielded, and the problem can be solved, so that the special frequency converter for the permanent magnet synchronous motor is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special converter of PMSM to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a special frequency converter for a permanent magnet synchronous motor comprises a frequency converter main body, wherein a control box is fixedly connected to the outer wall of a shell of the frequency converter main body, the control box is in a circular plate shell shape, a plurality of purification devices which are uniformly distributed are arranged in the middle of the control box, one side of each purification device is connected with a control ring, the control ring is arranged in the side wall of the control box, a plurality of pressure rods which are uniformly distributed are arranged on the fixing ring on one side of the control ring, one end of each pressure rod extends to the outside of the control box, a vibration plate is arranged in the middle of an inner cavity of the control box, one end of each purification device is connected with the vibration plate, each purification device comprises a spring, a pressure plate, a lead screw and a gear, one end of each spring extends into the vibration plate, the other end of each spring is in contact with the pressure plate, one end, far away from the spring, of each, the other end of the screw rod extends into the side wall of the control box, a gear is fixedly connected to the end portion of the screw rod, and one end of the gear is connected with the control ring.
Preferably, the vibrations piece shape is the bottom surface edge of plectane and is the fillet structure, cylindrical recess has been seted up on the lateral wall of vibrations piece, the pressure plate shape has been seted up cylindrical recess on the intrados of fan-shaped cubic and pressure plate, and the one end of spring extends to in the cylindrical recess of vibrations piece, and the other end of spring extends to in the cylindrical recess of pressure plate.
Preferably, the control ring shape is that solid fixed ring is equipped with a plurality of evenly distributed's protruding tooth on the one side bottom surface of drum and drum, and protruding tooth on the control ring is the triangular prism shape, the protruding tooth and the gear engagement of control ring are connected.
Preferably, the gear is located in a disc-shaped groove formed in the side wall of the control box, the control ring is located in an annular groove formed in the control box, the disc-shaped groove in the control box is communicated with the annular groove, the screw rod penetrates through a through hole formed in the side wall of the control box, and the pressure rod penetrates through a cylindrical groove formed in the outer wall of the control box.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses the vibration energy on the converter main part is realized by the absorption of maximize to the structural design, avoids the influence of motor vibration frequency problem to converter work, ensures the safe efficient work of converter, improves its life;
2. the utility model discloses a purifier and control ring's design realize rocking the regulation of frequency to the vibrations piece, make the utility model discloses can deal with the vibrations influence of multiple motor.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the purification apparatus;
fig. 3 is a schematic view of a pressure plate configuration.
In the figure: 1 frequency converter main part, 2 control box, 3 purifier, 4 control rings, 5 pressure rods, 6 vibrating pieces, 7 springs, 8 pressure plates, 9 lead screws and 10 gears.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.
Referring to fig. 1 to 3, the present invention provides a technical solution: a special frequency converter for a permanent magnet synchronous motor comprises a frequency converter main body 1, a control box 2 is fixedly connected to the outer wall of a shell of the frequency converter main body 1, the control box 2 is in a circular plate shell shape, a plurality of purification devices 3 which are uniformly distributed are arranged in the middle of the control box 2, one side of each purification device 3 is connected with a control ring 4, the control ring 4 is arranged in the side wall of the control box 2, a plurality of pressure rods 5 which are uniformly distributed are arranged on a fixing ring on one side of the control ring 4, one end of each pressure rod 5 extends to the outside of the control box 2, a vibration plate 6 is arranged in the middle of the inner cavity of the control box 2, one end of each purification device 3 is connected with the vibration plate 6, each purification device 3 comprises a spring 7, a pressure plate 8, a lead screw 9 and a gear 10, one end of each spring 7 extends into the vibration plate 6, the other end of each spring, one end of the screw rod 9 extends into a threaded hole formed in the pressure plate 8, the other end of the screw rod 9 extends into the side wall of the control box 2, a gear 10 is fixedly connected to the end of the screw rod 9, and one end of the gear 10 is connected with the control ring 4.
The bottom surface edge of vibrations piece 6 shape for plectane and plectane is the fillet structure, has seted up the column recess on the lateral wall of vibrations piece 6, and pressure plate 8 shape has seted up the column recess for fan-shaped massive and on the intrados of pressure plate 8, and during the one end of spring 7 extended to the column recess of vibrations piece 6, the other end of spring 7 extended to in the column recess of pressure plate 8.
The control ring 4 is cylindrical, a plurality of protruding teeth which are uniformly distributed are arranged on the bottom surface of one side of the cylinder in a fixing mode, the protruding teeth on the control ring 4 are triangular prism-shaped, and the protruding teeth of the control ring 4 are in meshed connection with the gear 10.
The gear 10 is located in a disc-shaped groove formed in the side wall of the control box 2, the control ring 4 is located in an annular groove formed in the control box 2, the disc-shaped groove formed in the control box 2 is communicated with the annular groove, the screw rod 9 penetrates through a through hole formed in the side wall of the control box 2, and the pressure rod 5 penetrates through a cylindrical groove formed in the outer wall of the control box 2, so that stable transmission connection among all parts in the side wall of the control box 2 is achieved as can be understood by referring to fig. 2.
The working principle is as follows: the pressure rod 5 is broken off by hand, the pressure rod 5 drives the control ring 4 to rotate, the control ring 4 rotates to drive the gear 10 to rotate, the gear 10 drives the lead screw 9 to rotate, the lead screw 9 controls the pressure plate 8, the pressure plate 8 is restrained by the control box 2 and cannot rotate, so that the pressure plate 8 axially moves along the central shaft of the lead screw 9, referring to the figure 3, the pressure plates 8 are drawn close to the vibrating plate 6, the spring 7 is compressed to deform and contract, so that the rebound force of the spring 7 is larger, the vibration on the frequency converter main body 1 is transmitted to the control box 2, the control box 2 vibrates, the spring 7 transmits the vibration to the vibrating plate 6, the vibrating plate 6 vibrates in the control box 2, the spring 7 deforms to buffer the impact, the larger the rebound force of the spring 7 is to accelerate the vibration frequency of the vibrating plate 6, the vibration energy is absorbed if the spring 7 deforms, and the vibration frequency of the vibrating plate 6 can be adjusted according to the vibration frequency on, ensuring that the shock impact on the casing of the frequency converter body 1 is maximally absorbed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a special converter of PMSM, includes converter main part (1), its characterized in that: the frequency converter is characterized in that a control box (2) is fixedly connected to the outer wall of a shell of the frequency converter main body (1), the control box (2) is in a circular plate shell shape, a plurality of uniformly distributed purification devices (3) are arranged in the middle of the control box (2), one side of each purification device (3) is connected with a control ring (4), the control ring (4) is arranged in the side wall of the control box (2), a plurality of uniformly distributed pressure rods (5) are arranged on the fixed ring on one side of the control ring (4), one end of each pressure rod (5) extends to the outside of the control box (2), a vibration sheet (6) is arranged in the middle of an inner cavity of the control box (2), one end of each purification device (3) is connected with the vibration sheet (6), each purification device (3) comprises a spring (7), a pressure plate (8), a lead screw (9) and a gear (10), one end of each spring (7) extends into the vibration sheet (6, the other end of the spring (7) is contacted with a pressure plate (8), one end, far away from the spring (7), of the pressure plate (8) is provided with a screw rod (9), one end of the screw rod (9) extends into a threaded hole formed in the pressure plate (8), the other end of the screw rod (9) extends into the side wall of the control box (2), a gear (10) is fixedly connected to the end part of the screw rod (9), and one end of the gear (10) is connected with the control ring (4).
2. The special frequency converter for the permanent magnet synchronous motor according to claim 1, wherein: shaking piece (6) shape is the bottom surface edge of plectane and is the fillet structure, cylindrical recess has been seted up on the lateral wall of shaking piece (6), pressure plate (8) shape has been seted up cylindrical recess on the intrados of fan-shaped cubic and pressure plate (8), and the one end of spring (7) extends to in the cylindrical recess of shaking piece (6), and the other end of spring (7) extends to in the cylindrical recess of pressure plate (8).
3. The special frequency converter for the permanent magnet synchronous motor according to claim 1, wherein: the shape of the control ring (4) is that a plurality of evenly distributed protruding teeth are arranged on the fixing ring on the bottom surface of one side of the cylinder, the protruding teeth on the control ring (4) are triangular prism-shaped, and the protruding teeth of the control ring (4) are meshed with the gear (10) to be connected.
4. The special frequency converter for the permanent magnet synchronous motor according to claim 1, wherein: the gear (10) is arranged in a disc-shaped groove formed in the side wall of the control box (2), the control ring (4) is arranged in an annular groove formed in the control box (2), the disc-shaped groove formed in the control box (2) is communicated with the annular groove, the screw rod (9) penetrates through a through hole formed in the side wall of the control box (2), and the pressure rod (5) penetrates through a cylindrical groove formed in the outer wall of the control box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921482445.2U CN210167994U (en) | 2019-09-07 | 2019-09-07 | Special frequency converter for permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921482445.2U CN210167994U (en) | 2019-09-07 | 2019-09-07 | Special frequency converter for permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210167994U true CN210167994U (en) | 2020-03-20 |
Family
ID=69796589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921482445.2U Active CN210167994U (en) | 2019-09-07 | 2019-09-07 | Special frequency converter for permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210167994U (en) |
-
2019
- 2019-09-07 CN CN201921482445.2U patent/CN210167994U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211223 Address after: 454450 No. 999, Wenhua Road (East Section), Boai County, Jiaozuo City, Henan Province Patentee after: Henan long distance Electric Co.,Ltd. Address before: 454950 first floor of standard industrial plant No. 1, circular economy industrial agglomeration zone, Jiaozuo City, Henan Province Patentee before: Henan Ruichi Electronic Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |