CN112398264A - Comprehensive leading-out circuit system of direct-current permanent magnet brushless motor - Google Patents
Comprehensive leading-out circuit system of direct-current permanent magnet brushless motor Download PDFInfo
- Publication number
- CN112398264A CN112398264A CN202011384638.1A CN202011384638A CN112398264A CN 112398264 A CN112398264 A CN 112398264A CN 202011384638 A CN202011384638 A CN 202011384638A CN 112398264 A CN112398264 A CN 112398264A
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- Prior art keywords
- welding
- motor
- pcb
- hall sensor
- terminal
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
- H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/03—Machines characterised by the wiring boards, i.e. printed circuit boards or similar structures for connecting the winding terminations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
- H02K2211/03—Machines characterised by circuit boards, e.g. pcb
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Brushless Motors (AREA)
Abstract
The invention discloses a comprehensive leading-out circuit system of a direct-current permanent magnet brushless motor, which comprises a PCB (printed circuit board), wherein the PCB comprises an annular part and a bent part which are connected to form a 6-shaped structure; a Hall sensor circuit is arranged on the annular part close to the edge of the inner diameter, a plastic socket terminal is arranged at one end of the bending part far away from the annular part, and a connecting circuit from the plastic socket terminal to the Hall sensor circuit is arranged on the PCB; the outer diameter edge of annular portion is equipped with two sets of welding mouths, two sets of welding mouths are used for welding motor winding respectively, and wherein a set of welding mouth is close to the junction of annular portion and kink, and the inserted sheet terminal has been arranged to the one end that is close to annular portion on the kink, arrange the interconnecting link from inserted sheet terminal to a set of welding mouth nearest on the PCB board. The invention integrates the signal output function of the Hall sensor and the three-phase line connection function of the motor power supply, so that the internal structure of the motor is simpler and more compact.
Description
Technical Field
The invention belongs to the technical field of direct-current permanent magnet brushless motors, and particularly relates to a comprehensive leading-out circuit system of a direct-current permanent magnet brushless motor.
Background
As the demand for products powered by dc batteries is increasing in the market, the demand for dc permanent magnet brushless motors is beginning to increase and the use of various products is beginning to be widespread. The direct current permanent magnet brushless motor in the existing market normally uses the Hall position sensor to determine the rotor position relation, and the Hall plate can be independently fixed near the motor rotor magnetic circuit. The Hall PCB board of the design is only used for outputting signals of the Hall sensor, and a three-phase power line of the motor is led out by a lead wire; for some motors with small power and compact structure, the three-phase lead wire of the power supply is inconvenient to operate.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a comprehensive leading-out circuit system of a direct-current permanent magnet brushless motor, which integrates the signal output function of a Hall sensor and the three-phase line connection function of a motor power supply and enables the internal structure of the motor to be simpler and more compact.
In order to solve the technical problem, the invention provides a comprehensive leading-out circuit system of a direct-current permanent magnet brushless motor, which is characterized by comprising a PCB (printed circuit board), wherein the PCB comprises an annular part and a bent part which are connected to form a 6-shaped structure;
the Hall sensor circuit is arranged on the annular part close to the edge of the inner diameter, the plastic socket terminal is arranged at one end of the bent part far away from the annular part, the plastic socket terminal comprises an output terminal used for outputting an output signal of the Hall sensor circuit, and a connecting circuit from the plastic socket terminal to the Hall sensor circuit is arranged on the PCB;
the external diameter edge of annular portion is equipped with two sets of welding mouths, two sets of welding mouths are used for welding motor winding respectively, and wherein a set of welding mouth is close to the junction of annular portion and kink, and the inserted sheet terminal has been arranged to the one end that is close to annular portion on the kink, the inserted sheet terminal is used for connecting three phase current, arrange the interconnecting link from inserted sheet terminal to a nearest a set of welding mouth on the PCB board.
Further, the welding port position is determined according to the positions of the outgoing lines of different motor windings.
Further, each set of welding openings comprises 3 welding openings.
Furthermore, a group of welding openings are distributed on two sides of the connecting position of the annular part and the bent part.
Furthermore, the plastic extension socket terminal also comprises an access terminal for accessing a power supply of the Hall sensor circuit.
Furthermore, the inserted sheet terminal includes 3, and 3 inserted sheet terminals one-to-one connect 3 welding mouths in a set of welding mouth.
Compared with the prior art, the invention has the following beneficial effects: the invention integrates the signal output function of the Hall sensor and the three-phase line connection function of the motor power supply, so that the internal structure of the motor is simpler and more compact, and the volume of the motor is reduced; and the internal circuit connection of the motor is more reliable through the PCB.
Drawings
FIG. 1 is a top view of a PCB board of the present invention;
FIG. 2 is a front view of the PCB of the present invention;
fig. 3 is a schematic view of the connection of the PCB board to the motor.
Reference numerals:
1. the PCB comprises a PCB board 1-1, an annular part 1-2 and a bent part;
2. a Hall sensor circuit;
3. a multi-plug terminal;
4. welding the opening;
5. an insert terminal;
6. connecting a line;
7. an electric motor.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present patent application, it is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
In the description of the present patent, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present patent and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present patent. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present patent application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present patent can be understood in a specific case by those skilled in the art.
The invention provides a comprehensive leading-out circuit system of a direct-current permanent magnet brushless motor, which is a PCB (printed Circuit Board) integrating a Hall sensor signal output function and a motor power supply three-phase line connection function, and is additionally provided with a welding position, a connection line and an inserting piece terminal structure for leading-out of a motor three-phase power line on the basis of the original Hall PCB.
Referring to fig. 1 and 2, the comprehensive lead-out circuit system of the dc permanent magnet brushless motor of the invention comprises a PCB board 1, wherein the PCB board 1 comprises an annular part 1-1 and a bending part 1-2 which are connected to form a 6-shaped structure, and the inner diameter and the outer diameter of the annular part 1-1 are not limited and need to be designed and determined according to different product sizes.
The Hall sensor circuit 2 is arranged on the annular portion 1-1 close to the edge of the inner diameter, the plastic socket terminal 3 is arranged at one end of the bending portion 1-2 far away from the annular portion 1-1, the plastic socket terminal 3 comprises an access terminal used for accessing a power supply of the Hall sensor circuit and an output terminal used for outputting an output signal of the Hall sensor circuit, and a connecting line 6 from the plastic socket terminal 3 to the Hall sensor circuit 2 is arranged on the PCB 1.
The Hall sensor circuit 2 is a commonly used acquisition circuit in the motor, the Hall sensor outputs a switching signal, and the position of the N/S pole of the rotor in the motor is detected through the switching time sequence of the Hall sensor. The Hall sensor circuit comprises a Hall sensor and a capacitance resistor, the specific position of the Hall sensor is designed and determined according to the relation between the number of stator slots of the motor and the number of pole pairs of the rotor, the capacitance in the Hall sensor circuit is used for filtering, and the resistance is a pull-up resistor used for matching with a Hall sensor chip.
Be equipped with two sets of welding mouths 4 at the external diameter edge of annular portion 1-1, every group welding mouth 4 includes 3 welding mouths, two sets of welding mouths 4 are used for welding motor winding respectively, and wherein a set of welding mouth is close to the junction of annular portion 1-1 and kink 1-2, and inserted sheet terminal 5 has been arranged to the one end that is close to annular portion 1-1 on the kink 1-2, inserted sheet terminal 5 is used for connecting three phase current, arrange the interconnecting link from inserted sheet terminal 5 to nearest a set of welding mouth 4 on the PCB board 1.
Inserted sheet terminal 5 includes 3, 3 inserted sheet terminals one-to-one connect 3 welding mouths in a set of welding mouth.
The welding port is formed by connecting enameled wires led out from a motor winding in a Y-shaped or delta-shaped mode and then connecting the enameled wires to a three-phase power supply connecting terminal; separate from the hall sensor lines.
These weld locations are determined based on the location of the various motor winding lead-out wires.
Referring to fig. 1, 6 welding openings are formed at the outer diameter edge of the annular part of the PCB, and the U, V, W welding openings are distributed at the joint of the annular part and the bending partTwo sides of the joint. U, V and W represent welding ports of three phase lines of a motor winding and are respectively connected with three power supply plug-in terminals; o is1，O2，O3The welding port of the three-phase line of the other winding of the motor is a common point of a Y-shaped connection mode, and a large-area gray color block on a PCB in the figure is a connecting circuit arranged on the PCB.
The inserted sheet terminal that is used for drawing forth on the PCB board is standard component structure, and the commonality is stronger.
Referring to fig. 3, the PCB 1 is schematically connected to the motor 7, and the motor windings are directly soldered to 6 solder joints.
The PCB integrating the Hall sensor signal output function and the motor power supply three-phase line connection function is designed, so that the internal structure of the motor is simpler and more compact, and the volume of the motor is reduced; and the internal circuit connection of the motor is more reliable through the PCB.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A comprehensive leading-out circuit system of a direct-current permanent magnet brushless motor is characterized by comprising a PCB, wherein the PCB comprises an annular part and a bent part, and the annular part and the bent part are connected to form a 6-shaped structure;
the Hall sensor circuit is arranged on the annular part close to the edge of the inner diameter, the plastic socket terminal is arranged at one end of the bent part far away from the annular part, the plastic socket terminal comprises an output terminal used for outputting an output signal of the Hall sensor circuit, and a connecting circuit from the plastic socket terminal to the Hall sensor circuit is arranged on the PCB;
the external diameter edge of annular portion is equipped with two sets of welding mouths, two sets of welding mouths are used for welding motor winding respectively, and wherein a set of welding mouth is close to the junction of annular portion and kink, and the inserted sheet terminal has been arranged to the one end that is close to annular portion on the kink, the inserted sheet terminal is used for connecting three phase current, arrange the interconnecting link from inserted sheet terminal to a nearest a set of welding mouth on the PCB board.
2. The integrated lead-out circuit system of a brushless DC motor according to claim 1, wherein the solder joint positions are determined according to the positions of lead-out wires of different motor windings.
3. The integrated lead-out circuit system of a brushless dc permanent magnet motor according to claim 1, wherein each set of solder joints comprises 3 solder joints.
4. The integrated lead-out circuit system of a brushless DC motor according to claim 1, wherein a set of welding joints are distributed on both sides of the junction of the annular portion and the bending portion.
5. The integrated lead-out circuit system of the brushless DC motor as claimed in claim 1, wherein the plastic socket terminals further comprise connection terminals for connecting to a power supply of the Hall sensor circuit.
6. The integrated lead-out circuit system of the DC permanent magnet brushless motor according to claim 3, wherein the tab terminals comprise 3, and 3 tab terminals are connected with 3 welding ports in a group of welding ports in a one-to-one correspondence manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011384638.1A CN112398264A (en) | 2020-12-01 | 2020-12-01 | Comprehensive leading-out circuit system of direct-current permanent magnet brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011384638.1A CN112398264A (en) | 2020-12-01 | 2020-12-01 | Comprehensive leading-out circuit system of direct-current permanent magnet brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112398264A true CN112398264A (en) | 2021-02-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011384638.1A Pending CN112398264A (en) | 2020-12-01 | 2020-12-01 | Comprehensive leading-out circuit system of direct-current permanent magnet brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112398264A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101071974A (en) * | 2006-05-12 | 2007-11-14 | 杨光笋 | Direct current brushless motor Hall device sensor |
| CN201127001Y (en) * | 2007-06-11 | 2008-10-01 | 松下电器产业株式会社 | Brushless motor |
| CN202334236U (en) * | 2011-11-04 | 2012-07-11 | 山东山博电机集团有限公司 | Integrated brushless DC motor with Hall sensor |
| CN204205775U (en) * | 2014-05-29 | 2015-03-11 | 艾美特电器（深圳）有限公司 | A kind of motor stator component of alternating current fans |
| CN107947410A (en) * | 2017-12-05 | 2018-04-20 | 浙江益中智能电气有限公司 | A kind of PCB permanent-magnet brushless DC electric machines |
| CN108206598A (en) * | 2016-12-16 | 2018-06-26 | 德昌电机(深圳)有限公司 | Electric machine and its stator |
| CN110417194A (en) * | 2019-07-19 | 2019-11-05 | 新界泵业(浙江)有限公司 | Plastic packaging motor |
| CN211508847U (en) * | 2020-03-27 | 2020-09-15 | 稻津电机(珠海)有限公司 | Driving circuit board structure and stator assembly structure of high-speed motor |
-
2020
- 2020-12-01 CN CN202011384638.1A patent/CN112398264A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101071974A (en) * | 2006-05-12 | 2007-11-14 | 杨光笋 | Direct current brushless motor Hall device sensor |
| CN201127001Y (en) * | 2007-06-11 | 2008-10-01 | 松下电器产业株式会社 | Brushless motor |
| CN202334236U (en) * | 2011-11-04 | 2012-07-11 | 山东山博电机集团有限公司 | Integrated brushless DC motor with Hall sensor |
| CN204205775U (en) * | 2014-05-29 | 2015-03-11 | 艾美特电器（深圳）有限公司 | A kind of motor stator component of alternating current fans |
| CN108206598A (en) * | 2016-12-16 | 2018-06-26 | 德昌电机(深圳)有限公司 | Electric machine and its stator |
| CN107947410A (en) * | 2017-12-05 | 2018-04-20 | 浙江益中智能电气有限公司 | A kind of PCB permanent-magnet brushless DC electric machines |
| CN110417194A (en) * | 2019-07-19 | 2019-11-05 | 新界泵业(浙江)有限公司 | Plastic packaging motor |
| CN211508847U (en) * | 2020-03-27 | 2020-09-15 | 稻津电机(珠海)有限公司 | Driving circuit board structure and stator assembly structure of high-speed motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210223 |