CN215498643U - Permanent magnet brushless direct current motor controller module - Google Patents

Permanent magnet brushless direct current motor controller module Download PDF

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Publication number
CN215498643U
CN215498643U CN202121714309.9U CN202121714309U CN215498643U CN 215498643 U CN215498643 U CN 215498643U CN 202121714309 U CN202121714309 U CN 202121714309U CN 215498643 U CN215498643 U CN 215498643U
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controller module
fixedly connected
heat dissipation
motor body
motor
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CN202121714309.9U
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朱发庭
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Beijing Luzhitong Experimental Technology Co ltd
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Liyang Haixi Intelligent Electric Co ltd
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Abstract

The utility model discloses a permanent magnet brushless DC motor controller module, which comprises a motor body, a control box, an installation unit and a fixing unit; the control box is arranged at the top of the motor body; the mounting unit is arranged inside the motor body; the fixing unit is arranged inside the motor body; when installing the controller module, inside through inserting the first spout with the controller module, the tip extrusion locking piece of controller module, because the tip of locking piece is oblique form, the tip extrusion rubber pad through the locking piece carries out the chucking to the first spring of both sides extrusion, the vibrations that the motor produced at the during operation have been avoided, the electronics unit gas spare that leads to inside the controller module receives the damage, and then the work efficiency of motor has been improved, when needs change the maintenance to the controller module, through the pulling pull rod, it pulls out the locking piece from the locked groove inside to drive the pull handle, make the controller module pop out to change and maintain, master-shooter's installation of easy to assemble and dismantlement work.

Description

Permanent magnet brushless direct current motor controller module
Technical Field
The utility model relates to the technical field of motors, in particular to a permanent magnet brushless direct current motor controller module.
Background
The permanent magnet brushless motor is a permanent magnet motor which is controlled by electronic circuit phase change or current; the permanent magnet brushless motor has two types of sine wave drive and square wave drive; the drive current is a rectangular wave, which is generally called a permanent magnet brushless dc motor, the drive current is a sine wave, which is generally called a permanent magnet ac servo motor, and the sensing type can be classified into a sensored motor and a positive sensor motor.
Among the prior art at present, when installing motor controller, use the screw to fix the inside to the motor usually, the motor can produce vibrations when using, disturbs the signal production of controller module and causes the damage to the inside electronic component of controller, and then has reduced motor work efficiency.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects of the prior art, when a motor controller is installed, a screw is usually used for fixing the motor controller inside, and the motor can vibrate when being used, so that interference is generated on signals of a controller module, electronic elements inside the controller are damaged, and the working efficiency of the motor is further reduced.
A permanent magnet brushless DC motor controller module comprises a motor body, a control box, an installation unit and a fixing unit; the control box is arranged at the top of the motor body;
the mounting unit is arranged inside the motor body; the fixing unit is arranged inside the motor body.
Preferably, the mounting unit comprises a controller module, a locking groove, a rubber pad, a first spring, a support plate and a first sliding groove; the supporting plate is fixedly connected to the inner side wall of the motor body; the first sliding groove is formed in the supporting plate; the controller module.
Preferably, the fixing unit comprises a cavity, a second chute, a locking block, a second spring, a pulling block and a pulling rod; the cavity is formed in the top of the first sliding groove; the second sliding chute is arranged in the motor body and is positioned at the side end of the cavity; the locking block is connected to the inner side wall of the cavity in a sliding manner; one end of the second spring is fixedly connected to the top end of the locking block, and the other end of the second spring is fixedly connected to the inner top wall of the cavity; the pull block is fixedly connected to the top of the locking block; the pull rod is fixedly connected to the side end of the pull block and is connected to the inner side wall of the second sliding groove in a sliding mode.
Preferably, a heat dissipation unit is arranged inside the motor body; the heat dissipation unit comprises a heat dissipation assembly and a cooling assembly; the heat dissipation assembly is arranged at the side end of the support plate; the cooling assembly is arranged at the side end of the heat dissipation assembly; the heat dissipation assembly comprises a heat dissipation plate, a third spring and a heat conduction pipe; the heat dissipation plate is connected to the inner side wall of the first sliding groove in a sliding mode and is positioned on the same horizontal plane with the controller module; one end of the third spring is fixedly connected to the side end of the heat dissipation plate, and the other end of the third spring is fixedly connected to the inner side wall of the first sliding groove; the heat conduction pipe is fixedly connected to the side end of the heat dissipation plate and is connected to the inside of the supporting plate in a sliding mode.
Preferably, the cooling assembly comprises a heat conducting rod, a cylinder, a piston plate, a blocking rod, a first water through hole, a water tank and a cooling pipe; the air cylinder is fixedly connected to the inner top wall of the motor body; the water tank is fixedly connected to the top of the motor body and is positioned inside the control box; the cooling pipe is fixedly connected to the bottom of the water tank and is attached to the outer wall of the heat conduction pipe; one end of the heat conducting rod is fixedly connected to the bottom of the cylinder, and the other end of the heat conducting rod is connected to the outer wall of the heat conducting pipe in a sliding mode; the piston plate is connected to the inner side wall of the cylinder in a sliding mode; the blocking rod is fixedly connected to the side end of the piston plate and is connected to the inside of the cooling pipe in a sliding mode; the first limber hole is opened in the inside of jam pole, and with the cooling tube phase-match.
Preferably, the side end of the cooling pipe is fixedly connected with a sealing block, and the blocking rod is slidably connected to the inner side wall of the sealing block.
Preferably, both ends of the locking block are inclined.
Preferably, the outer end of the cooling pipe is in an S shape.
The utility model has the advantages that:
1. the controller module, the locking groove, the rubber pad, the first spring, the supporting plate, the first sliding groove, the locking block, the second spring, the pulling block, the pull rod and the second sliding groove are matched with each other; when installing the controller module, through inside inserting the first spout with the controller module, the tip extrusion locking piece of controller module, because the tip of locking piece is oblique form, make the locking piece stretch out and draw back to the cavity is inside, it produces elasticity to extrude the second spring when the locking piece is flexible, when the locked groove aligns the cavity, the second spring produces elasticity and promotes the locking piece and insert inside the locked groove, the tip extrusion rubber pad through the locking piece extrudes first spring to both sides and carries out the chucking, the vibrations that the motor produced at the during operation have been avoided, lead to the inside electron unit gas spare of controller module to receive the damage, and then the work efficiency of motor has been improved, when needing to change the maintenance to the controller module, through the pulling pull rod, drive the pull handle and pull out the locking piece from the locked groove is inside, make the controller module pop out and change and maintain, the installation and the dismantlement work of the installation master worker.
2. According to the utility model, through the mutual matching of the heat dissipation plate, the heat conduction pipe, the heat conduction rod, the air cylinder, the water tank, the cooling pipe, the piston plate, the sealing block and the water through hole, when the controller module is inserted into the first sliding groove, the heat dissipation plate is contacted, heat generated in the controller module is transmitted to the heat dissipation plate, the side end of the heat dissipation plate is connected with the heat conduction pipe, when the surface temperature of the heat conduction pipe is overhigh, the heat is transmitted to the interior of the air cylinder through the heat conduction rod, the air pressure in the air cylinder is increased, the piston plate is pushed to slide towards the side end, the water through hole is aligned to the cooling pipe, water in the water tank flows into the cooling pipe, the cooling pipe is wound on the surface of the heat conduction pipe for heat dissipation, the problem that the heat in the controller module cannot be dissipated, parts in the controller module are damaged is avoided, and the service life of the motor is further prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of FIG. 1 at A;
FIG. 4 is an enlarged view of FIG. 1 at B;
FIG. 5 is an enlarged view of FIG. 1 at C;
FIG. 6 is an enlarged view of the first embodiment of the present invention at D;
FIG. 7 is an enlarged view of a second embodiment of the present invention at E;
in the figure: 1. a motor body; 2. a control box; 3. a mounting unit; 31. a controller module; 32. locking the groove; 33. a rubber pad; 34. a first spring; 4. a fixing unit; 41. a support plate; 42. a first chute; 43. a cavity; 44. a second chute; 45. a locking block; 46. a second spring; 47. pulling the block; 48. a pull rod; 5. a heat dissipation unit; 51. a heat dissipating component; 511. a heat dissipation plate; 512. a third spring; 513. a heat conducting pipe; 514. a sponge cushion; 515. a copper pipe; 516. a heat sink; 52. a cooling assembly; 521. a heat conducting rod; 522. a cylinder; 523. a piston plate; 524. a jamming rod; 525. a water through hole; 526. a water tank; 527. a cooling tube; 528. a sealing block; 531. a slide rail; 532. a slider; 533. an air bag; 534. a heat conducting plate; 535. a strut; 536. a second water through pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a permanent magnet brushless dc motor controller module includes a motor body 1, a control box 2, an installation unit 3, and a fixing unit 4; the control box 2 is arranged at the top of the motor body 1;
the mounting unit 3 is arranged inside the motor body 1; the fixing unit 4 is arranged inside the motor body 1; the mounting unit 3 includes a controller module 31, a locking groove 32, a rubber pad 33, a first spring 34, a support plate 41, and a first sliding groove 42; the supporting plate 41 is fixedly connected to the inner side wall of the motor body 1; the first sliding groove 42 is arranged inside the supporting plate 41; the controller module 31; the fixing unit 4 comprises a cavity 43, a second sliding chute 44, a locking block 45, a second spring 46, a pulling block 47 and a pulling rod 48; the cavity 43 is arranged at the top of the first sliding chute 42; the second chute 44 is arranged inside the motor body 1 and is positioned at the side end of the cavity 43; the locking block 45 is slidably connected to the inner side wall of the cavity 43; one end of the second spring 46 is fixedly connected to the top end of the locking block 45, and the other end is fixedly connected to the inner top wall of the cavity 43; the pull block 47 is fixedly connected to the top of the lock block 45; the pull rod 48 is fixedly connected to the side end of the pull block 47 and is slidably connected to the inner side wall of the second sliding groove 44; when the controller module 31 is installed, the controller module 31 is inserted into the first sliding groove 42, the end of the controller module 31 presses the locking block 45, the locking block 45 extends into the cavity 43 due to the inclined end of the locking block 45, the locking block 45 presses the second spring 46 to generate elastic force when the locking block 45 extends, when the locking groove 32 is aligned with the cavity 43, the second spring 46 generates elastic force to push the locking block 45 to be inserted into the locking groove 32, the first spring 34 is pressed to two sides to press the rubber pads 33 to be clamped by the end of the locking block 45, so that the electronic components in the controller module 31 are prevented from being damaged due to vibration generated when the motor body 1 works, the working efficiency of the motor body 1 is further improved, when the controller module 31 needs to be replaced and maintained, the pulling rod 48 is pulled to drive the pulling block 47 to pull the locking block 45 out of the locking groove 32, and the controller module 31 is popped up to be replaced and maintained, the mounting and dismounting work of an installer is facilitated.
Referring to fig. 1-5, in a controller module of a permanent magnet brushless dc motor, a heat dissipation unit 5 is disposed inside a motor body 1; the heat dissipation unit 5 comprises a heat dissipation assembly 51 and a cooling assembly 52; the heat dissipation assembly 51 is arranged at the side end of the support plate 41; the cooling component 52 is arranged at the side end of the heat dissipation component 51; the heat dissipation assembly 51 comprises a heat dissipation plate 511, a third spring 512 and a heat conduction pipe 513; the heat dissipation plate 511 is slidably connected to the inner side wall of the first sliding groove 42 and is located on the same horizontal plane with the controller module 31; one end of the third spring 512 is fixedly connected to the side end of the heat dissipation plate 511, and the other end is fixedly connected to the inner side wall of the first sliding groove 42; the heat conducting pipe 513 is fixedly connected to the side end of the heat dissipating plate 511 and is slidably connected to the inside of the supporting plate 41; the cooling assembly 52 comprises a heat conducting rod 521, a cylinder 522, a piston plate 523, a blocking rod 524, a first water through hole 525, a water tank 526 and a cooling pipe 527; the cylinder 522 is fixedly connected to the inner top wall of the motor body 1; the water tank 526 is fixedly connected to the top of the motor body 1 and is located inside the control box 2; the cooling pipe 527 is fixedly connected to the bottom of the water tank 526 and is attached to the outer wall of the heat conducting pipe 513; one end of the heat conducting rod 521 is fixedly connected to the bottom of the cylinder 522, and the other end is slidably connected to the outer wall of the heat conducting pipe 513; the piston plate 523 is slidably connected to the inner sidewall of the cylinder 522; the blocking rod 524 is fixedly connected to the side end of the piston plate 523 and is slidably connected to the inside of the cooling tube 527; the first water through hole 525 is formed inside the blocking rod 524 and is matched with the cooling pipe 527; in operation, when the controller module 31 is inserted into the first sliding groove 42, the heat dissipation plate 511 is pressed downwards to be attached, heat generated inside the controller module 31 is transmitted to the heat dissipation plate 511, the side end of the heat dissipation plate 511 is connected with the heat conduction pipe 513, when the surface temperature of the heat conduction pipe 513 is too high, heat is transmitted to the inside of the air cylinder 522 through the heat conduction rod 521, the air pressure inside the air cylinder 522 becomes high, the piston plate 523 is pushed to slide towards the side end, the piston plate 523 pushes the blocking rod 524 to slide towards the inside of the cooling pipe 527, so that the first water through hole 525 is aligned with the cooling pipe 527, water inside the water tank 526 flows into the inside of the cooling pipe 527, the cooling pipe 527 is wound on the surface of the heat conduction pipe 513 to dissipate heat, the problem that heat inside the controller module 31 cannot be dissipated, so that parts inside the controller module 31 are damaged is avoided, and the service life of the motor body 1 is further prolonged.
Please refer to fig. 6-7 for another embodiment of the heat sink 511, the third spring 512, and the heat pipe 513; when the controller module 31 slides in the first sliding groove 42, the bottom wall of the controller module 31 slides downwards to contact the copper pipe 515, the copper pipe 515 is inserted into the heat dissipation groove 516 to conduct heat, the bottom wall of the controller module 31 and the side wall of the heat dissipation plate 511 are protected by installing the sponge cushion 514, the problem of abrasion of the controller module 31 is avoided, the heat dissipation groove 516 is formed, heat inside the controller module 31 is further transferred to the inside of the heat dissipation plate 511 through the copper pipe 515 to be dissipated, and the heat dissipation effect of the heat dissipation plate 511 is improved.
Referring to fig. 6-7, another embodiment of the heat-conducting rod 521, the cylinder 522, the piston plate 523, the blocking rod 524, and the first water passage hole 525 is shown; when the heat quantity on the heat conduction pipe 513 is higher, the heat is transferred to the inside of the air bag 533 through the heat conduction plate 534, the air bag 533 expands when heated, and the sliding block 532 is connected with the sliding rail 531 in a sliding way; the pushing slider 532 slides forward to push the strut 535 so that the second through-hole 536 is aligned with the cooling tube 527, when the second through-hole 536 is aligned with the cooling tube 527; the water inside the water tank 526 circulates to dissipate heat from the surface of the heat pipe 513, thereby improving the service life of the controller module 31.
Referring to fig. 1-5, in a controller module of a permanent magnet brushless dc motor, a sealing block 528 is fixedly connected to a side end of a cooling tube 527, and a blocking rod 524 is slidably connected to an inner side wall of the sealing block 528; the two ends of the locking block 45 are inclined; the outer end of the cooling tube 527 is shaped like an 'S'; during operation, through installation sealing block 528, when blocking rod 524 inserts cooling tube 527 inside, sealing block 528 avoids the inside water of cooling tube 527 to spill over, and the inside of drippage to motor body 1 causes the influence, through installation foam-rubber cushion 514, protects controller module 31 and the tip of heating panel 511, causes when avoiding controller module 31 and heating panel 511 to contact, the problem of wearing and tearing.
The working principle is that when the controller module 31 is installed, the controller module 31 is inserted into the first sliding groove 42, the end of the controller module 31 extrudes the locking block 45, the locking block 45 extends into the cavity 43 due to the inclined end of the locking block 45, the locking block 45 extrudes the second spring 46 to generate elastic force when the locking block 45 extends, when the locking groove 32 aligns with the cavity 43, the second spring 46 generates elastic force to push the locking block 45 to be inserted into the locking groove 32, the first spring 34 is extruded to two sides through the end of the locking block 45 to extrude the rubber pads 33 for clamping, so that the vibration generated when the motor body 1 works is avoided, electronic components inside the controller module 31 are damaged, the working efficiency of the motor body 1 is further improved, when the controller module 31 needs to be replaced and maintained, the pulling rod 48 is pulled to drive the pulling block 47 to pull the locking block 45 out from the inside the locking groove 32, so that the controller module 31 is popped up to be replaced and maintained, the mounting and dismounting work of an installer is facilitated; when the controller module 31 is inserted into the first sliding groove 42, the heat dissipation plate 511 is pressed downwards to be attached, heat generated inside the controller module 31 is transmitted to the heat dissipation plate 511, the side end of the heat dissipation plate 511 is connected with the heat conduction pipe 513, when the surface temperature of the heat conduction pipe 513 is too high, heat is transmitted to the inside of the air cylinder 522 through the heat conduction rod 521, the air pressure inside the air cylinder 522 is increased, the piston plate 523 is pushed to slide towards the side end, the piston plate 523 pushes the blocking rod 524 to slide towards the inside of the cooling pipe 527, so that the first water through hole 525 is aligned with the cooling pipe 527, water inside the water tank 526 flows into the cooling pipe 527, the cooling pipe 527 is wound on the surface of the heat conduction pipe 513 to dissipate heat, the problem that heat inside the controller module 31 cannot be dissipated to cause damage to parts inside the controller module 31 is solved, and the service life of the motor body 1 is further prolonged; through installation sealing block 528, when blocking rod 524 inserts inside cooling tube 527, sealing block 528 avoids the inside water of cooling tube 527 to spill over, and the inside of drippage to motor body 1 causes the influence, through installation foam-rubber cushion 514, protects controller module 31 and the tip of heating panel 511, causes when avoiding controller module 31 and heating panel 511 to contact, the problem of wearing and tearing.
Since the structure of XXX belongs to the prior art, it is not described in this document.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (8)

1. A permanent magnet brushless DC motor controller module is characterized in that: comprises a motor body (1), a control box (2), a mounting unit (3) and a fixing unit (4); the control box (2) is arranged at the top of the motor body (1);
the mounting unit (3) is arranged inside the motor body (1); the fixing unit (4) is arranged inside the motor body (1).
2. The permanent magnet brushless dc motor controller module of claim 1, wherein: the mounting unit (3) comprises a controller module (31), a locking groove (32), a rubber pad (33), a first spring (34), a support plate (41) and a first sliding groove (42); the supporting plate (41) is fixedly connected to the inner side wall of the motor body (1); the first sliding groove (42) is arranged inside the supporting plate (41); the controller module (31).
3. The permanent magnet brushless dc motor controller module of claim 2, wherein: the fixing unit (4) comprises a cavity (43), a second sliding chute (44), a locking block (45), a second spring (46), a pulling block (47) and a pulling rod (48); the cavity (43) is arranged at the top of the first sliding chute (42); the second sliding groove (44) is formed in the motor body (1) and is positioned at the side end of the cavity (43); the locking block (45) is connected to the inner side wall of the cavity (43) in a sliding mode; one end of the second spring (46) is fixedly connected to the top end of the locking block (45), and the other end of the second spring is fixedly connected to the inner top wall of the cavity (43); the pull block (47) is fixedly connected to the top of the locking block (45); the pull rod (48) is fixedly connected to the side end of the pull block (47) and is connected to the inner side wall of the second sliding groove (44) in a sliding mode.
4. A permanent magnet brushless dc motor controller module according to claim 3, wherein: a heat dissipation unit (5) is arranged inside the motor body (1); the heat dissipation unit (5) comprises a heat dissipation component (51) and a cooling component (52); the heat dissipation assembly (51) is arranged at the side end of the support plate (41); the cooling component (52) is arranged at the side end of the heat dissipation component (51); the heat dissipation assembly (51) comprises a heat dissipation plate (511), a third spring (512) and a heat conduction pipe (513); the heat dissipation plate (511) is connected to the inner side wall of the first sliding groove (42) in a sliding mode and is located on the same horizontal plane with the controller module (31); one end of the third spring (512) is fixedly connected to the side end of the heat dissipation plate (511), and the other end of the third spring is fixedly connected to the inner side wall of the first sliding groove (42); the heat conduction pipe (513) is fixedly connected at the side end of the heat dissipation plate (511) and is connected in the support plate (41) in a sliding manner.
5. The permanent magnet brushless dc motor controller module of claim 4, wherein: the cooling assembly (52) comprises a heat conducting rod (521), a cylinder (522), a piston plate (523), a blocking rod (524), a first water through hole (525), a water tank (526) and a cooling pipe (527); the air cylinder (522) is fixedly connected to the inner top wall of the motor body (1); the water tank (526) is fixedly connected to the top of the motor body (1) and is positioned inside the control box (2); the cooling pipe (527) is fixedly connected to the bottom of the water tank (526) and attached to the outer wall of the heat conducting pipe (513); one end of the heat conducting rod (521) is fixedly connected to the bottom of the cylinder (522), and the other end of the heat conducting rod is connected to the outer wall of the heat conducting pipe (513) in a sliding mode; the piston plate (523) is connected to the inner side wall of the cylinder (522) in a sliding mode; the blocking rod (524) is fixedly connected to the side end of the piston plate (523) and is connected to the inside of the cooling pipe (527) in a sliding manner; the first water through hole (525) is opened inside the blocking rod (524) and matched with the cooling pipe (527).
6. The permanent magnet brushless dc motor controller module of claim 5, wherein: the side end of the cooling pipe (527) is fixedly connected with a sealing block (528), and the blocking rod (524) is connected to the inner side wall of the sealing block (528) in a sliding mode.
7. The permanent magnet brushless dc motor controller module of claim 6, wherein: the two ends of the locking block (45) are inclined.
8. The permanent magnet brushless dc motor controller module of claim 7, wherein: the outer end of the cooling pipe (527) is S-shaped.
CN202121714309.9U 2021-07-26 2021-07-26 Permanent magnet brushless direct current motor controller module Active CN215498643U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121714309.9U CN215498643U (en) 2021-07-26 2021-07-26 Permanent magnet brushless direct current motor controller module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121714309.9U CN215498643U (en) 2021-07-26 2021-07-26 Permanent magnet brushless direct current motor controller module

Publications (1)

Publication Number Publication Date
CN215498643U true CN215498643U (en) 2022-01-11

Family

ID=79752196

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121714309.9U Active CN215498643U (en) 2021-07-26 2021-07-26 Permanent magnet brushless direct current motor controller module

Country Status (1)

Country Link
CN (1) CN215498643U (en)

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Effective date of registration: 20240716

Address after: Room 812, 7th Floor, Building A, No. 3 Jinghai 6th Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing 102600

Patentee after: Beijing luzhitong Experimental Technology Co.,Ltd.

Country or region after: China

Address before: 213300 4th, 5th and 6th floors, building 3, No. 8, Chuangye Road, shezhu Town, Liyang City, Changzhou City, Jiangsu Province

Patentee before: Liyang Haixi Intelligent Electric Co.,Ltd.

Country or region before: China

TR01 Transfer of patent right