CN109120109B - Hall brushless motor - Google Patents
Hall brushless motor Download PDFInfo
- Publication number
- CN109120109B CN109120109B CN201811066425.7A CN201811066425A CN109120109B CN 109120109 B CN109120109 B CN 109120109B CN 201811066425 A CN201811066425 A CN 201811066425A CN 109120109 B CN109120109 B CN 109120109B
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- CN
- China
- Prior art keywords
- hall
- plate
- motor
- framework
- pressing plate
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- 238000004804 winding Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Brushless Motors (AREA)
Abstract
The invention provides a Hall brushless motor, which comprises a motor body and a motor rear seat; the motor rear seat is arranged at the tail end of the motor body; the motor backseat comprises a backseat shell, a Hall plate, an anti-interference pressing plate and a framework; the framework is buried in the motor rear seat; a first Hall is arranged on one side of the Hall plate; a second Hall is arranged on the other side of the Hall plate; the Hall plate is provided with a first through hole; the framework is provided with a groove strip for accommodating the Hall plate; the bottom surface of the groove strip is provided with a socket; the bottom surface of the groove strip is provided with a second through hole for inserting a second Hall; the anti-interference pressing plate is provided with a third through hole for inserting the first Hall; one end of the anti-interference pressing plate, which faces the Hall plate, is provided with a pin; the pins are sleeved with pressing sheets; an elastic component is arranged between the pressing sheet and the anti-interference pressing plate; the anti-interference pressing plate is inserted into the socket through the first through hole by the pin and is connected with the framework; the pressing plate is pressed on the surface of the Hall plate; a Hall brushless motor capable of shielding interference signals and avoiding damage of Hall elements is provided.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a Hall brushless motor.
Background
Compared with a brush motor, the brushless motor has high conversion efficiency, large starting moment and simple control loop. However, because the brushes are worn, electric sparks can be generated, the application range is limited, the failure rate is relatively high, the brushless motor does not have brushes, motor parts are reduced, the service life is longer, and the failure is less.
The existing brushless motor is generally provided with an outer Hall and an inner Hall, and the outer Hall is connected with external control equipment to realize the reversing operation of the brushless motor; the inner hall is used for detecting the position of the magnet in the motor body, but the magnetism of the inner magnet often has a certain influence on the outer hall, and the signal connection between the outer hall and external equipment is influenced.
Disclosure of Invention
The invention aims to provide a Hall brushless motor which can shield interference signals and avoid damage of a Hall element.
In order to achieve the above purpose, the present invention provides a hall brushless motor, comprising a motor body and a motor back seat; the motor rear seat is arranged at the tail end of the motor body;
the motor backseat comprises a backseat shell, a Hall plate, an anti-interference pressing plate and a framework; the Hall plate is pressed on the framework through the anti-interference pressing plate; the framework is embedded in the motor rear seat;
at least three first Hall sensors are uniformly arranged on one side of the Hall plate facing the rear seat shell; at least three second Hall sensors are uniformly arranged on one side of the Hall plate, which is opposite to the rear seat shell; the first Hall sensors and the second Hall sensors are arranged in a crossed mode; at least one first through hole is formed in the Hall plate;
the framework is provided with a groove strip for accommodating the Hall plate; at least one socket is arranged on the bottom surface of the groove strip; the bottom surface of the groove strip is provided with a second through hole for inserting the second Hall sensor;
the anti-interference pressing plate is provided with a third through hole for inserting the first Hall sensor; one end of the anti-interference pressing plate, which faces the Hall plate, is provided with a pin; the pins are sleeved with pressing sheets; an elastic component is arranged between the pressing sheet and the anti-interference pressing plate;
The anti-interference pressing plate is inserted into the socket through the first through hole by the pin and is connected with the framework; the pressing plate is pressed on the surface of the Hall plate.
Preferably, a hook for winding the coil wire set is arranged on one side of the framework, which is opposite to the Hall plate.
Preferably, the Hall plate, the anti-interference pressing plate and the framework are all annular.
Preferably, the elastic component is a spring; the spring is sleeved on the pin.
Preferably, the motor body comprises a rotor, a stator and a casing; the rotor is erected in the shell; the stator is disposed around the rotor along an inner sidewall of the housing.
Compared with the prior art, the invention has the advantages that: the anti-interference pressing plate is pressed on the surface of the Hall plate; the influence of the magnetic field on the first Hall sensor is reduced, and the first Hall sensor is facilitated to receive external information.
The pins of the anti-interference pressing plate are sleeved with pressing plates; an elastic component is arranged between the pressing sheet and the anti-interference pressing plate, and the pressing plate has certain elasticity under the action of the elastic component; the pressing sheet presses the Hall plate on the framework; the framework is easy to deform under the condition of long-term action of the motor; the elastic design of the pressing sheet ensures that the Hall plate can not deform together with the framework under the action of framework deformation, and the service life of the Hall plate is prolonged.
Drawings
FIG. 1 is a schematic diagram showing an overall structure of a Hall brushless motor according to an embodiment of the invention;
Fig. 2 is a schematic structural diagram of an electrode back seat in a hall brushless motor according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be further described below.
As shown in fig. 1, the present invention proposes a hall brushless motor, comprising a motor body 1 and a motor rear seat 2; the motor rear seat 2 is arranged at the tail end of the motor body 1;
As shown in fig. 2, the motor rear seat 2 includes a rear seat housing 21, a hall plate 22, an interference-free pressing plate 23, and a frame 24; the Hall plate 22 is pressed on the framework 24 through the anti-interference pressing plate 23; the framework 24 is buried in the motor rear seat 2;
At least three first hall sensors 25 are uniformly arranged on one side of the hall plate 22 facing the rear seat shell 21; at least three second hall sensors 26 are uniformly arranged on one side of the hall plate 22, which faces away from the rear seat shell 21; the first hall sensor 25 and the second hall sensor 26 are arranged in a crossing manner; the hall plate 22 is provided with at least one first through hole; the first hall sensor 25 is used for being in signal connection with external equipment to realize the commutation of the motor; the second hall sensor 26 is used to detect the position of the magnetic ring.
The frame 24 is provided with a groove strip for accommodating the hall plate 22; at least one socket is arranged on the bottom surface of the groove strip; the bottom surface of the groove strip is provided with a second through hole for inserting the second Hall sensor 26;
The anti-interference pressing plate 23 is provided with a third through hole for inserting the first Hall sensor 25; the anti-interference pressing plate 23 is provided with pins at one end facing the Hall plate 22; the pins are sleeved with pressing sheets 27; an elastic component is arranged between the pressing sheet 27 and the anti-interference pressing plate 23;
the anti-interference pressing plate 23 is inserted into the socket through the first through hole by the pin and is connected with the framework 24; the platen is pressed against the surface of the hall plate 22.
In this embodiment, the side of the frame 24 facing away from the hall plate 22 is provided with hooks for winding the coil wire set.
In this embodiment, the hall plate 22, the interference-free pressing plate 23, and the frame 24 are all annular.
In this embodiment, the elastic component is a spring; the spring is sleeved on the pin.
In the present embodiment, the motor body 1 includes a rotor, a stator, and a casing; the rotor frame is arranged in the shell; the stator surrounds the rotor and is disposed along the inner side wall of the housing.
In the present embodiment, the anti-interference pressing plate 23 is pressed on the surface of the hall plate 22; the influence of the magnetic field on the first hall sensor 25 is reduced, and the first hall sensor 25 is facilitated to receive external information.
The pins of the anti-interference pressing plate 23 are sleeved with pressing plates 27; an elastic component is arranged between the pressing sheet 27 and the anti-interference pressing plate 23, and the pressing plate has certain elasticity under the action of the elastic component; the pressing sheet 27 presses the hall plate 22 onto the frame 24; the frame 24 is easy to deform under the long-term action of the motor; the resilient design of the tabs 27 ensures that the hall plate 22 will not deform with the frame 24 under the deformation of the frame 24, extending the service life of the hall plate 22.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Any person skilled in the art will make any equivalent substitution or modification to the technical solution and technical content disclosed in the invention without departing from the scope of the technical solution of the invention, and the technical solution of the invention is not departing from the scope of the invention.
Claims (3)
1. The Hall brushless motor is characterized by comprising a motor body and a motor rear seat; the motor rear seat is arranged at the tail end of the motor body;
the motor backseat comprises a backseat shell, a Hall plate, an anti-interference pressing plate and a framework; the Hall plate is pressed on the framework through the anti-interference pressing plate; the framework is embedded in the motor rear seat;
at least three first Hall sensors are uniformly arranged on one side of the Hall plate facing the rear seat shell; at least three second Hall sensors are uniformly arranged on one side of the Hall plate, which is opposite to the rear seat shell; the first Hall sensors and the second Hall sensors are arranged in a crossed mode; at least one first through hole is formed in the Hall plate;
the framework is provided with a groove strip for accommodating the Hall plate; at least one socket is arranged on the bottom surface of the groove strip; the bottom surface of the groove strip is provided with a second through hole for inserting the second Hall sensor;
the anti-interference pressing plate is provided with a third through hole for inserting the first Hall sensor; one end of the anti-interference pressing plate, which faces the Hall plate, is provided with a pin; the pins are sleeved with pressing sheets; an elastic component is arranged between the pressing sheet and the anti-interference pressing plate;
The anti-interference pressing plate is inserted into the socket through the first through hole by the pin and is connected with the framework; the pressing plate is pressed on the surface of the Hall plate;
a clamping hook for winding the coil wire set is arranged on one side of the framework, which is opposite to the Hall plate;
the Hall plate, the anti-interference pressing plate and the framework are all annular.
2. The hall brushless motor of claim 1 wherein the elastic component is a spring; the spring is sleeved on the pin.
3. The hall brushless motor of claim 1 wherein the motor body comprises a rotor, a stator, and a housing; the rotor is erected in the shell; the stator is disposed around the rotor along an inner sidewall of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811066425.7A CN109120109B (en) | 2018-09-13 | 2018-09-13 | Hall brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811066425.7A CN109120109B (en) | 2018-09-13 | 2018-09-13 | Hall brushless motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109120109A CN109120109A (en) | 2019-01-01 |
| CN109120109B true CN109120109B (en) | 2024-05-07 |
Family
ID=64859291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811066425.7A Active CN109120109B (en) | 2018-09-13 | 2018-09-13 | Hall brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109120109B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980884A (en) * | 2019-04-28 | 2019-07-05 | 江苏优斯特机电科技有限公司 | A kind of switched reluctance motor of multisensor operation |
| CN110829740A (en) * | 2019-09-29 | 2020-02-21 | 北京精密机电控制设备研究所 | Immersion type integrated permanent magnet synchronous motor |
| CN113783366B (en) * | 2021-11-12 | 2022-02-15 | 常州祥明智能动力股份有限公司 | Stator assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003079090A (en) * | 2001-09-04 | 2003-03-14 | Asmo Co Ltd | Rotating device |
| CN103208884A (en) * | 2013-03-07 | 2013-07-17 | 苏州朗高电机有限公司 | Feedback element installed on motor rotary shaft |
| WO2016119476A1 (en) * | 2015-01-29 | 2016-08-04 | 中山大洋电机股份有限公司 | Mounting structure of hall circuit board, and brushless direct current motor applying same |
| CN108233634A (en) * | 2016-12-13 | 2018-06-29 | 东昌电机(深圳)有限公司 | The Hall Plate of maskable interference |
| CN209057064U (en) * | 2018-09-13 | 2019-07-02 | 上海真奕实业有限公司 | A kind of Hall brushless motor |
-
2018
- 2018-09-13 CN CN201811066425.7A patent/CN109120109B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003079090A (en) * | 2001-09-04 | 2003-03-14 | Asmo Co Ltd | Rotating device |
| CN103208884A (en) * | 2013-03-07 | 2013-07-17 | 苏州朗高电机有限公司 | Feedback element installed on motor rotary shaft |
| WO2016119476A1 (en) * | 2015-01-29 | 2016-08-04 | 中山大洋电机股份有限公司 | Mounting structure of hall circuit board, and brushless direct current motor applying same |
| CN108233634A (en) * | 2016-12-13 | 2018-06-29 | 东昌电机(深圳)有限公司 | The Hall Plate of maskable interference |
| CN209057064U (en) * | 2018-09-13 | 2019-07-02 | 上海真奕实业有限公司 | A kind of Hall brushless motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109120109A (en) | 2019-01-01 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240411 Address after: 201824 No.555, South Caofeng Road, No.17 Caoan Road, Jiading District, Shanghai Applicant after: SHANGHAI SIEG MACHINERY CO.,LTD. Country or region after: China Address before: No. 201819, Jiading town, 39jiang District, Shanghai Applicant before: SHANGHAI ZHENYI INDUSTRIAL Co.,Ltd. Country or region before: China |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |