CN216437007U - Permanent magnet brushless motor of integrated driver - Google Patents
Permanent magnet brushless motor of integrated driver Download PDFInfo
- Publication number
- CN216437007U CN216437007U CN202122928332.4U CN202122928332U CN216437007U CN 216437007 U CN216437007 U CN 216437007U CN 202122928332 U CN202122928332 U CN 202122928332U CN 216437007 U CN216437007 U CN 216437007U
- Authority
- CN
- China
- Prior art keywords
- driver
- permanent magnet
- motor
- rear end
- mounting shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to an integrated driver's permanent magnet brushless motor, including motor main body, motor main body mainly comprises axle, front end housing, casing, rear end cap and stator, and rotatable the installing in front end housing, rear end cap in the both ends of axle is epaxial to be stained with the permanent magnet that has magnetized and constitutes the rotor, and the stator cover just fixes in the casing outside the rotor, and front end housing, rear end cap are installed respectively in the both ends of casing. The rear end cover is fixedly provided with a driver mounting shell with an opening at the front end, the inner wall of the driver mounting shell is provided with a groove for assembling a driver mainboard, the driver mainboard is inserted into the groove for fixation, the tail cover of the driver mounting shell is provided with a flange head, and a motor power line and a driver control line are led out by the flange head. The utility model discloses install the driver inside the motor, constitute a whole, can reduce the volume, reduce spare part, easy to assemble easily satisfies explosion-proof, waterproof etc. requirement.
Description
Technical Field
The utility model relates to a permanent magnet brushless motor technical field specifically is a permanent magnet brushless motor of integrated driver.
Background
The permanent magnet brushless motor consists of a motor main body and a driver, and is a typical electromechanical integrated product. The stator winding of the motor is mostly made into a three-phase symmetrical star connection method, which is very similar to a three-phase asynchronous motor. The rotor of the motor is adhered with a magnetized permanent magnet, and a position sensor is arranged in the motor for detecting the polarity of the rotor of the motor. The driver is composed of power electronics, integrated circuits, etc., and functions are: receiving starting, stopping and braking signals of the motor to control the starting, stopping and braking of the motor; receiving a position sensor signal and a positive and negative rotation signal, and controlling the on-off of each power tube of the inverter bridge to generate continuous torque; receiving a speed instruction and a speed feedback signal for controlling and adjusting the rotating speed; provide protection and display, etc. Generally, the motor main body and the driver are independent of each other, and it is difficult to satisfy the requirements when the installation space is limited or the motor is operated in a special environment (e.g., explosion-proof, waterproof, etc.). Therefore, it is necessary to improve the design and integrate the motor main body and the driver.
Only install components and parts such as encoder, sensor in the prior art on motor main part, like the utility model discloses an explosion-proof alternating current permanent magnetism servo motor that the publication is CN212381038U, wherein, during the rear end cap inserted the casing from the right side left to with casing internal face tight fit, be provided with the round in the casing and be used for blocking the step groove of rear end cap. And bearings for supporting the rotating shaft are arranged on the inner sides of the two end covers. The rear cover housing is embedded in the right end part of the machine shell, the front end cover, the rear end cover and the rear cover housing divide the interior of the machine shell into a left cavity and a right cavity, a screw hole communicated with the right cavity and the outside is formed in the circumferential surface of the rear cover housing, and an explosion-proof gland head used for leading out a cable is screwed on the screw hole. And an oil seal for dust prevention is arranged at the joint position of the outer side of the front end cover and the rotating shaft. The rotating shaft extends into the right cavity, and a brake used for braking the explosion-proof alternating current permanent magnet servo motor is mounted on the right end face of the rear end cover through a screw. The encoder is arranged at the right end part of the rotating shaft and is fixed on the brake. The scheme is that the brake and the encoder are arranged in the shell, the driver is not integrated on the motor main body, and the motor structures are different. Also, as disclosed in the utility model publication No. CN207069857U, a high efficiency direct-drive brushless motor with an outer rotor is disclosed, in which an encoder is installed in a motor casing, and a driver is not integrated in a motor main body.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to design a permanent magnet brushless motor of integrated driver, install the driver on the motor, constitute a whole, easily satisfy requirements such as explosion-proof, waterproof.
The utility model discloses a permanent magnet brushless motor of integrated driver, including motor main body, motor main body mainly comprises axle, front end housing, casing, rear end cap and stator, and rotatable the installing in front end housing, rear end cap in the both ends of axle is epaxial to be stained with the permanent magnet that has magnetized and constitutes the rotor, and the stator cover is just fixed in the casing outside the rotor, and front end housing, rear end cap are installed respectively in the both ends of casing. The rear end cover is fixedly provided with a driver mounting shell with an opening at the front end, the inner wall of the driver mounting shell is provided with a groove for assembling a driver mainboard, the driver mainboard is inserted into the groove for fixation, the tail cover of the driver mounting shell is provided with a flange head, and a motor power line and a driver control line are led out by the flange head.
Preferably, the number of the grooves is two, and the two grooves are symmetrically arranged on the inner wall of the driver mounting shell.
Preferably, the driver main board is horizontally arranged, and one end of the driver main board is inserted into the groove of the tail cover of the driver mounting shell.
Preferably, the driver mounting shell is a cylindrical structure arranged coaxially with the casing.
Preferably, the driver mounting shell and the rear end cover are fixedly mounted in an inserting manner.
Compared with the prior art, the utility model relates to an integrated driver's permanent magnet brushless motor's advantage does:
adopt integrated structure design, install the driver inside the motor, constitute a whole, can reduce the volume, reduce spare part, easy to assemble easily satisfies requirements such as explosion-proof, waterproof. By taking a PEDT1041 motor as an example, the motor is a finger beam lock motor of oilfield equipment, the installation space is narrow, the design of each joint surface needs to meet the explosion-proof requirement, and the length of the explosion-proof joint surface is far greater than that of a conventional product.
Drawings
Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;
fig. 2 is a schematic diagram of the installation of the driver motherboard according to the embodiment of the present invention.
The reference numbers in the figures are: 1. the device comprises a shaft, 2, a front end cover, 3, a permanent magnet, 4, a shell, 5, a stator, 6, a rear end cover, 7, a driver mainboard, 8, a driver mounting shell, 9, a driver mounting shell tail cover, 10 and a Glan head.
Detailed Description
In order to make the objects and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the utility model discloses a permanent magnet brushless motor of integrated driver adopts integrated structural design, and the driver (mainly including the driver mainboard) is installed inside the motor, constitutes a whole, can play explosion-proof, waterproof effect. The permanent magnet brushless motor comprises a motor main body, wherein the motor main body mainly comprises a shaft 1, a front end cover 2, a machine shell 4, a rear end cover 6 and a stator 5. The shaft 1 is adhered with a magnetized permanent magnet 3 to form a rotor, the stator 5 is sleeved outside the rotor and fixed in the casing 4, the front end cover 2 and the rear end cover 6 are respectively installed at two ends of the casing 4, the shaft 1 sequentially penetrates through the front end cover 2, the casing 4 and the rear end cover 6, and two ends of the shaft 1 are rotatably installed on the front end cover 2 and the rear end cover 6. And a driver mounting shell 8 for mounting a driver is fixedly arranged on the rear end cover 6, the front end of the driver mounting shell 8 is opened, and the tail end of the driver mounting shell is closed by a tail cover 9 of the driver mounting shell. The drive mounting case 8 is formed integrally with the housing 4 and the like, and the drive mounting case 8 can also be regarded as an extension of the housing 4 and is a part of the motor main body.
A groove used for assembling a driver mainboard 7 is formed in the inner wall of the driver mounting shell 8, the driver mainboard 7 is inserted into the groove to be fixed, a flange head 10 is arranged on a tail cover 9 of the driver mounting shell, and a motor power line and a driver control line are led out from the flange head 10. Wherein the power cord of the motor penetrates into the driver mounting shell 8 from the rear end cover 6 and then is led out of the driver mounting shell through the Glan head 10.
In a preferred embodiment, the two grooves are symmetrically formed on the inner wall of the driver mounting case 8, and preferably, the two grooves have the same height, so that the driver main board 7 can be horizontally inserted while the rear end of the driver main board 7 is inserted into the groove of the rear cover 9 of the driver mounting case. So that the driver board 7 is easier and more stable to mount.
In order to ensure the integral consistency, the driver installation shell 8 is a columnar structure which is coaxially arranged with the machine shell 4, and the outer diameter of the driver installation shell is the same as that of the machine shell 4.
The driver installation shell 8 and the rear end cover 6 are fixedly installed in an inserting mode, and installation is easier.
The above embodiments are only specific examples for further detailed description of the objects, technical solutions and advantages of the present invention, and the present invention is not limited thereto. Any modification, equivalent replacement, improvement and the like made within the scope of the disclosure of the present invention are all included in the protection scope of the present invention.
Claims (5)
1. The utility model provides an integrated driver's permanent magnet brushless motor, includes motor subject, motor subject mainly comprises axle (1), front end housing (2), casing (4), rear end cap (6) and stator (5), and rotatable the installing in front end housing (2), rear end cap (6) in the both ends of axle (1), is stained with permanent magnet (3) that magnetize on axle (1) and constitutes the rotor, and stator (5) cover is just fixed in casing (4) outside the rotor, and front end housing (2), rear end cap (6) are installed respectively in the both ends of casing (4), its characterized in that: a driver installation shell (8) with an opening at the front end is fixedly arranged on the rear end cover (6), a groove used for assembling a driver main board (7) is formed in the inner wall of the driver installation shell (8), the driver main board (7) is inserted into the groove to be fixed, a flange head (10) is arranged on a tail cover (9) of the driver installation shell, and a motor power line and a driver control line are led out by the flange head (10).
2. The drive integrated permanent magnet brushless motor of claim 1, wherein: the two grooves are symmetrically arranged on the inner wall of the driver mounting shell (8).
3. The drive integrated permanent magnet brushless motor of claim 2, wherein: the driver main board (7) is horizontally arranged, and one end of the driver main board is inserted into a groove of the tail cover (9) of the driver mounting shell.
4. The drive integrated permanent magnet brushless motor of claim 1, wherein: the driver mounting shell (8) is of a columnar structure which is coaxial with the machine shell (4).
5. The drive integrated permanent magnet brushless motor of claim 1, wherein: the driver mounting shell (8) and the rear end cover (6) are fixedly mounted in an inserting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122928332.4U CN216437007U (en) | 2021-11-26 | 2021-11-26 | Permanent magnet brushless motor of integrated driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122928332.4U CN216437007U (en) | 2021-11-26 | 2021-11-26 | Permanent magnet brushless motor of integrated driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216437007U true CN216437007U (en) | 2022-05-03 |
Family
ID=81340442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122928332.4U Active CN216437007U (en) | 2021-11-26 | 2021-11-26 | Permanent magnet brushless motor of integrated driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216437007U (en) |
-
2021
- 2021-11-26 CN CN202122928332.4U patent/CN216437007U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2728720B1 (en) | DC brushless motor with external rotor | |
| EP0751026B1 (en) | Electric wheel motor assembly | |
| CN216437007U (en) | Permanent magnet brushless motor of integrated driver | |
| CN113799169A (en) | Double-encoder joint module | |
| CN207819692U (en) | A kind of servo wheel hub motor | |
| CN114337187A (en) | In-wheel motor and vehicle | |
| CN211557070U (en) | Outer rotor planetary reduction steering engine and robot | |
| CN210431087U (en) | Small-size shielded integrated permanent magnet brushless direct current motor | |
| CN216252449U (en) | Flywheel system and anti-rolling gyro | |
| CN107181355A (en) | Drive mechanism and the window regulator device using the drive mechanism | |
| CN205051544U (en) | External rotor PMSM on casing is fixed to bearing | |
| CN107994717A (en) | A kind of integrated under-water DC brushless electric machine of magnetic shaft coupling | |
| JP2016005337A (en) | Sensor installation structure | |
| CN211089406U (en) | Double-layer rotor motor | |
| CN208461622U (en) | A kind of brake type motor | |
| CN207766065U (en) | A kind of self-locking structure of miniature brushless direct-current motor | |
| CN112636649A (en) | Structure for ensuring output precision of split rotary transformer | |
| CN221009912U (en) | 3KW DC brushless speed reducing motor | |
| CN202167964U (en) | Internal rotor brushless motor | |
| CN101860160B (en) | DC brushless motor with encoder | |
| CN219960264U (en) | Miniature motor with protector | |
| CN210927324U (en) | Traction motor for coal mining machine convenient to brake is changed | |
| CN212323864U (en) | Brushless DC motor | |
| CN206149075U (en) | Hollow shaft brushless motor | |
| CN210898837U (en) | Take rotary transformer's in-wheel motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |