CN217546515U - Sensorless permanent magnet synchronous motor driver - Google Patents
Sensorless permanent magnet synchronous motor driver Download PDFInfo
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- CN217546515U CN217546515U CN202221503041.9U CN202221503041U CN217546515U CN 217546515 U CN217546515 U CN 217546515U CN 202221503041 U CN202221503041 U CN 202221503041U CN 217546515 U CN217546515 U CN 217546515U
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- seat
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- rack
- permanent magnet
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Abstract
The utility model discloses a sensorless PMSM driver, including bearing board and driver main part, fixed mounting has the fixed plate on the bearing board, and installs the sliding seat through slide mechanism on the fixed plate, slidable mounting has two sliding blocks on the fixed plate, and all rotates between two sliding blocks and the sliding seat and install the supporting spring pole, two equal fixed mounting has the attenuator between sliding block and the bearing board, fixed mounting has the rack on the sliding seat, and the driver main part places on the rack, the rack has two extrusion balls through two elastic telescopic link fixed mounting. Has the advantages that: the utility model discloses can accomplish the installation location and the dismantlement of driver fast, the integral operation is comparatively convenient, and can carry out the adjustment off normal of certain degree to its position at the driver during operation to can carry out the vibrations that its work produced and carry out certain weakening and offset, the functionality is stronger.
Description
Technical Field
The utility model relates to a sensorless PMSM's technical field especially relates to a sensorless PMSM driver.
Background
The sensorless permanent magnet synchronous motor driver is a driving device for driving and controlling a permanent magnet synchronous motor by adopting a sensorless control system, and has the advantages of stable signal conduction, convenient and quick driving and the like;
the mode snap-on of bolt fastening is adopted on the mounting plate of switch board usually to current driver, this kind of fixed mode makes the driver can't remove, and the driver can be because the motor removes or in-service use demands such as off normal at the during operation, it needs the driver to carry out appropriate displacement to a certain extent, then need dismantle the driver among the prior art and remove, and the installation is all comparatively complicated with the dismantlement, the overall operation is comparatively troublesome, certain limitation has, consequently, need to design a no sensor permanent magnet synchronous motor driver to solve above-mentioned problem urgently.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem existing in the prior art and providing a sensorless permanent magnet synchronous motor driver.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides a sensorless PMSM driver, includes bearing board and driver main part, fixed mounting has the fixed plate on the bearing board, and installs the sliding seat through slide mechanism on the fixed plate, slidable mounting has two sliding blocks on the fixed plate, and all rotates between two sliding blocks and the sliding seat and install supporting spring pole, two equal fixed mounting has the attenuator between sliding block and the bearing board, fixed mounting has the rack on the sliding seat, and the driver main part places on the rack, the rack has two extrusion balls through two elasticity telescopic link fixed mounting, slidable mounting has two and extrusion ball matched with to remove the seat on the rack, two all install positioning mechanism, two between extrusion ball and the corresponding removal seat remove and all install extrusion mechanism between seat and the rack.
In the sensorless permanent magnet synchronous motor driver, the sliding mechanism comprises a trapezoidal sliding block fixedly mounted on the sliding seat, a trapezoidal sliding groove is formed in the fixed plate, and the trapezoidal sliding block is clamped and mounted in the trapezoidal sliding groove.
In the sensorless permanent magnet synchronous motor driver, the positioning mechanism comprises a positioning rod rotatably mounted on the extrusion ball, a positioning pin is mounted on the positioning rod in a threaded manner, and a clamping groove matched with the positioning pin is formed in the movable seat.
In the sensorless permanent magnet synchronous motor driver, the extrusion mechanism comprises a connecting rod fixedly mounted on the movable seat, a positioning plate is fixedly mounted on the connecting rod, and an extrusion spring rod is fixedly mounted between the positioning plate and the placing frame.
In the sensorless permanent magnet synchronous motor driver, the two positioning plates are fixedly provided with rubber pads, and the two elastic telescopic rods are fixedly provided with pull rods.
In the sensorless permanent magnet synchronous motor driver, the bearing plate is fixedly provided with two mounting blocks, and the two mounting blocks are internally provided with thread grooves.
Compared with the prior art, the utility model discloses the advantage lies in:
1: through setting up elastic telescopic rod and removing the seat, operating personnel drop-down elastic telescopic rod can drive the extrusion ball decline promptly, can remove on removing the seat promptly when the extrusion ball descends to can promote to remove the seat from outside to middle part horizontal migration.
2: through setting up the locating plate, place the back on the rack when the driver main part, can drive the locating plate removal under the effect of connecting rod promptly when removing the seat and removing, two locating plates remove and finish promptly for removing when laminating with the driver main part.
3: through setting up positioning mechanism, after the locating plate removed, operating personnel can rotate the locating lever and make its corresponding position on the clamping groove when removing, rotates the locating pin again and makes its screw in clamping groove, can carry out the block to the removal seat and fix to can fix a position two locating plates, can carry out firm centre gripping location to the driver main part.
4: through setting up the sliding seat, when driver main part work needs the off normal, operating personnel can stimulate the sliding seat and make it move about on the fixed plate, can adjust the position of rack and driver main part on the sliding seat, and is comparatively convenient.
5: through setting up supporting spring pole and attenuator, when driver main part work produced vibrations, vibrations can be conducted and make it slightly slide on the fixed plate to the sliding seat, can extrude respectively or stretch two supporting spring poles of its both sides when the sliding seat removes, and two supporting spring poles can weaken the offset to vibrations with corresponding attenuator mutually supporting.
To sum up, the utility model discloses can accomplish the installation location and the dismantlement of driver fast, the integral operation is comparatively convenient, and can carry out the adjustment off normal of certain degree to its position at the driver during operation to can carry out the vibrations that its work produced and carry out certain weakening and offset, the functionality is stronger.
Drawings
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a sensorless permanent magnet synchronous motor driver according to the present invention;
FIG. 2 is an enlarged view of the connection structure of the movable base, the elastic expansion link and the upper portion thereof in FIG. 1;
fig. 3 is an enlarged view of a node at a portion a in fig. 1.
In the figure: the device comprises a bearing plate 1, a fixing plate 2, a sliding seat 3, a mounting block 4, a placing frame 5, a driver main body 6, a supporting spring rod 7, a damper 8, a positioning plate 9, an extrusion spring rod 10, a connecting rod 11, an elastic telescopic rod 12, a movable seat 13, an extrusion ball 14, a positioning rod 15, a clamping groove 16, a positioning pin 17 and a sliding block 18.
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 embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, a sensorless permanent magnet synchronous motor driver comprises a bearing plate 1 and a driver main body 6, wherein a fixed plate 2 is fixedly installed on the bearing plate 1, a sliding seat 3 is installed on the fixed plate 2 through a sliding mechanism, two sliding blocks 18 are slidably installed on the fixed plate 2, a supporting spring rod 7 is rotatably installed between each sliding block 18 and the corresponding sliding seat 3, a damper 8 is fixedly installed between each sliding block 18 and the bearing plate 1, a placing frame 5 is fixedly installed on each sliding seat 3, the driver main body 6 is placed on the placing frame 5, two extruding balls 14 are fixedly installed on the placing frame 5 through two elastic telescopic rods 12, two moving seats 13 matched with the extruding balls 14 are slidably installed on the placing frame 5, a positioning mechanism is installed between each extruding ball 14 and the corresponding moving seat 13, and an extruding mechanism is installed between each moving seat 13 and the placing frame 5;
the following points are notable:
1. an operator pulls down the elastic telescopic rod 12 to drive the extrusion ball 14 to descend, and the extrusion ball 14 moves on the moving seat 13 when descending, so that the moving seat 13 is pushed to horizontally move from the outer side to the middle.
2. Extrusion mechanism includes connecting rod 11 of fixed mounting on removing seat 13, and fixed mounting has locating plate 9 on the connecting rod 11, and fixed mounting has extrusion spring pole 10 between locating plate 9 and the rack 5, places back on rack 5 when driver main part 6, can drive locating plate 9 and remove under connecting rod 11's effect promptly when removing seat 13 and removing, and two locating plates 9 remove and finish promptly when laminating with driver main part 6.
3. The positioning mechanism comprises a positioning rod 15 rotatably mounted on the extrusion ball 14, a positioning pin 17 is mounted on the positioning rod 15 in a threaded manner, a clamping groove 16 matched with the positioning pin 17 is formed in the movable seat 13, after the positioning plate 9 is moved, an operator can rotate the positioning rod 15 to enable the positioning rod to move, the corresponding position of the positioning rod 15 on the clamping groove 16 is located, then the positioning pin 17 is rotated to enable the positioning rod to be screwed into the clamping groove 16, the movable seat 13 can be clamped and fixed, the two positioning plates 9 can be positioned, and the driver main body 6 can be firmly clamped and positioned.
4. When the driver main body 6 needs to move when working, an operator can pull the sliding seat 3 to move the sliding seat left and right on the fixed plate 2, and the horizontal positions of the placing frame 5 and the driver main body 6 on the sliding seat 3 can be adjusted, so that the operation is convenient.
5. The sliding mechanism comprises a trapezoidal sliding block fixedly mounted on the sliding seat 3, a trapezoidal sliding groove is formed in the fixed plate 2, the trapezoidal sliding block is clamped and mounted in the trapezoidal sliding groove, and the sliding mechanism is used for enabling the sliding seat 3 to horizontally move only on the fixed plate 2 and cannot be deviated from or separated from the fixed plate 2.
6. When the driver main body 6 works to generate vibration, the vibration is transmitted to the sliding seat 3 to enable the sliding seat to slightly slide on the fixed plate 2, the sliding seat 3 respectively extrudes or stretches the two supporting spring rods 7 on the two sides of the sliding seat when moving, and the two supporting spring rods 7 are matched with the corresponding dampers 8 to weaken and offset the vibration.
7. Rubber pads are fixedly mounted on the two positioning plates 9, and pull rods are fixedly mounted on the two elastic telescopic rods 12.
8. Two mounting blocks 4 are fixedly mounted on the bearing plate 1, and thread grooves are formed in the two mounting blocks 4.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a sensorless PMSM driver, includes bearing board (1) and driver main part (6), its characterized in that, fixed mounting has fixed plate (2) on bearing board (1), and installs sliding seat (3) through slide mechanism on fixed plate (2), slidable mounting has two sliding blocks (18) on fixed plate (2), and all rotates between two sliding blocks (18) and sliding seat (3) and install supporting spring pole (7), two equal fixed mounting has attenuator (8) between sliding block (18) and bearing board (1), fixed mounting has rack (5) on sliding seat (3), and driver main part (6) place on rack (5), rack (5) have two extrusion ball (14) through two elasticity telescopic link (12) fixed mounting, slidable mounting has two to remove seat (13) with extrusion ball (14) matched with on rack (5), two all install positioning mechanism between extrusion ball (14) and the corresponding seat (13), two remove and all install extrusion mechanism between seat (13) and rack (5).
2. The sensorless permanent magnet synchronous motor driver according to claim 1, wherein the sliding mechanism comprises a trapezoidal sliding block fixedly installed on the sliding seat (3), the fixed plate (2) is provided with a trapezoidal sliding slot, and the trapezoidal sliding block is installed in the trapezoidal sliding slot in a clamping manner.
3. The sensorless permanent magnet synchronous motor driver according to claim 1, wherein the positioning mechanism comprises a positioning rod (15) rotatably mounted on the squeeze ball (14), a positioning pin (17) is threadedly mounted on the positioning rod (15), and a locking groove (16) matched with the positioning pin (17) is formed on the movable seat (13).
4. The sensorless permanent magnet synchronous motor driver according to claim 1, wherein the extruding mechanism comprises a connecting rod (11) fixedly installed on a moving seat (13), a positioning plate (9) is fixedly installed on the connecting rod (11), and an extruding spring rod (10) is fixedly installed between the positioning plate (9) and the placing frame (5).
5. The sensorless permanent magnet synchronous motor driver according to claim 4, wherein rubber pads are fixedly mounted on both of the two positioning plates (9), and pull rods are fixedly mounted on both of the two elastic telescopic rods (12).
6. The sensorless permanent magnet synchronous motor driver according to claim 1, wherein two mounting blocks (4) are fixedly mounted on the supporting plate (1), and a thread groove is formed in each of the two mounting blocks (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221503041.9U CN217546515U (en) | 2022-06-16 | 2022-06-16 | Sensorless permanent magnet synchronous motor driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221503041.9U CN217546515U (en) | 2022-06-16 | 2022-06-16 | Sensorless permanent magnet synchronous motor driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217546515U true CN217546515U (en) | 2022-10-04 |
Family
ID=83418820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221503041.9U Active CN217546515U (en) | 2022-06-16 | 2022-06-16 | Sensorless permanent magnet synchronous motor driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217546515U (en) |
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2022
- 2022-06-16 CN CN202221503041.9U patent/CN217546515U/en active Active
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