CN110429766A - Motor ground connection structure and motor - Google Patents
Motor ground connection structure and motor Download PDFInfo
- Publication number
- CN110429766A CN110429766A CN201910786289.7A CN201910786289A CN110429766A CN 110429766 A CN110429766 A CN 110429766A CN 201910786289 A CN201910786289 A CN 201910786289A CN 110429766 A CN110429766 A CN 110429766A
- Authority
- CN
- China
- Prior art keywords
- pad
- casing
- circuit board
- motor
- connection structure
- 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.)
- Granted
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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
- H02K11/40—Structural association with grounding devices
Abstract
It includes: casing that the present invention, which provides a kind of motor ground connection structure and motor, ground structure, and the circuit board being assemblied in casing；Circuit board is at least partly pierced by casing；Circuit board is equipped with the first pad, and the first pad is arranged at circuit board position staggered with casing, and the first pad is connect with casing, and casing is grounded by the first pad.Motor ground connection structure of the invention solves motor metal chassis problem with grounding, and casing is grounded better performances by circuit board ground, and ground wire is directly connected on circuit boards, easy to connect, saves casing cost.Motor production technology is simplified, production efficiency is improved.
Description
Technical field
The invention belongs to technical field of motors, and in particular to a kind of motor ground connection structure and motor.
Background technique
The shell of motor is metal, the forceful electric power of the generally logical 220V or 380V of U, V, W, if forceful electric power is leaked to motor
On metal shell, people touches shell and can get an electric shock, and causes personal injury.Therefore, shell needs to be grounded.
Summary of the invention
Therefore, the technical problem to be solved by the present invention is to motors there are the security risk that forceful electric power leaks into metal shell, from
And provide a kind of motor ground connection structure and motor.
To solve the above-mentioned problems, the present invention provides a kind of motor ground connection structure, comprising:
Casing, and the circuit board being assemblied in casing；
Circuit board is at least partly pierced by casing；
Circuit board is equipped with the first pad, the setting of the first pad at circuit board position staggered with casing, the first pad and
Casing connection, casing are grounded by the first pad.
Preferably, the peripheral wall of casing opens up jagged, and circuit board includes protrusion, and protrusion is pierced by by notch to casing
Outside.
Preferably, the first pad is U-shaped, and towards casing, the edge of notch is wrapped up the opening of the first pad by the first pad,
Casing is connected with the first contact pads.
Preferably, the second pad is additionally provided on circuit board, the second pad connects ground wire, and the first pad passes through with the second pad
Print cabling conducting.
Preferably, circuit board is additionally provided with third pad, and is additionally provided in third pad downlink connection U phase line and/or circuit board
Four pads, the 4th pad connect and are additionally provided with the 5th pad on V phase line and/or circuit board, and the 5th pad connects W phase line.
Preferably, the 6th pad is additionally provided on circuit board, the 6th pad is arranged on the circuit board of casing internal, the
Six pads are connected with the second pad by printing cabling, the stator core connection of the 6th pad and motor.
Preferably, the 6th pad is equipped with pin piece, and pin piece end connects the stator core of motor.
Preferably, multiple winding pads are additionally provided on circuit board, each of multiple winding pads are walked by printing
Line is conducted to third pad or the 4th pad or the 5th pad, and stator winding and the winding pad of motor are correspondingly connected with.
Preferably, circuit board further includes annulus, and annulus is arranged in casing, and annulus is opposite with the stator of motor
It answers；Multiple winding pads are arranged at intervals on annulus.
A kind of motor, using above-mentioned motor ground connection structure.
Motor ground connection structure provided by the invention and motor at least have it is following the utility model has the advantages that
Motor ground connection structure of the invention, solves motor metal chassis problem with grounding, and casing is connect by circuit board ground
Ground better performances, ground wire is directly connected on circuit boards, easy to connect, saves casing cost.Motor production technology is simplified, is mentioned
High efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the motor ground connection structure of the embodiment of the present invention；
Fig. 2 is the casing and circuit board assembling schematic diagram of the embodiment of the present invention；
Fig. 3 is the circuit board wiring schematic diagram of the embodiment of the present invention；
Fig. 4 is the scheme of installation of the pin piece of the embodiment of the present invention.
Appended drawing reference indicates are as follows:
1, casing；2, circuit board；3, the first pad；4, notch；5, protrusion；6, the second pad；7, third pad；8,
Four pads；9, the 5th pad；10, the 6th pad；11, pin piece；12, stator core；13, winding pad；14, stator winding；
15, annulus；16, ground wire；17, U phase line；18, V phase line；19, W phase line.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
In conjunction with shown in Fig. 1 to Fig. 4, a kind of motor ground connection structure, including casing 1, and the circuit board 2 being assemblied in casing 1,
Specifically it is mounted on motor skeleton；Circuit board 2 is at least partly pierced by 1 outside of casing；Circuit board 2 is equipped with the first pad 3,
First pad 3 is arranged at the position staggered with casing 1 of circuit board 2, and the first pad 3 is connect with casing 1, and casing 1 passes through the first weldering
Disk 3 is grounded.
The motor ground connection structure of the present embodiment, solves in motor that forceful electric power leaks into metal shell, may cause personnel's touching
Pad is arranged in the sideway stance of casing 1 and 2 interlacing contact of circuit board in the problem of electricity, does not need that additional conductor progress is arranged
Connection, pad are passed through ground wire grounded again by the printing cabling on circuit board 2, and it is anticreep to achieve the purpose that casing 1 is grounded.It compares
The design of casing outer surface is directly crimped on by screw in ground wire in the prior art, the electric machine structure of the present embodiment, which also has, to be accounted for
The lesser advantage in ground, is conducive to the miniaturization of motor wire outlet box.Casing does not need to drill, and casing can be done thinner, Ke Yiyou
Effect reduces the material cost of motor.Casing can effectively save the technology difficulty of motor by circuit board ground, improve production effect
Rate.The reliability of pad ground connection is also above screw crimping mode.
In the present embodiment, the peripheral wall of casing 1 opens up jagged 4, and circuit board 2 includes protrusion 5, and protrusion 5 passes through notch 4
It is pierced by 1 outside of casing, the first pad 3 is U-shaped, and the opening of the first pad 3 is towards casing 1, and the edge of notch 4 is by the first pad
3 packages, casing 1 contact conducting with the first pad 3.U-shaped pad agrees with casing 1, after circuit board 2 is mounted on casing 1, the first weldering
Disk 3 is natural to be connected with chassis contact, is not required to secondary processes processing, is saved process flow.The casing contacted with the first pad of U-shaped 3
1, it can be the edge of 4 self-assembling formation of notch, be also possible to the protrusion specially reserved.The first pad of U-shaped 3 can only design one
A, with the side of notch 4 EDGE CONTACT can also design two, contact simultaneously with the edge of 4 two sides of notch respectively.
In the present embodiment, in three-phase motor, the external cable of motor is three-phase power line, including U phase line 17, V phase line
18, W phase line 19, ground wire 16, are additionally provided with the second pad 6 on the protrusion 5 of circuit board 2, and the second pad 6 connects ground wire 16, and first
Pad 3 is connected with the second pad 6 by printing cabling, and casing 1 and ground wire 16 are connected.Is additionally provided on the protrusion 5 of circuit board 2
Three pads 7, the 4th pad 8 is additionally provided in 7 downlink connection U phase line 17 of third pad and/or circuit board 2, and the 4th pad 8 connects V phase
The 5th pad 9 is additionally provided on line 18 and/or circuit board 2, the 5th pad 9 connects W phase line 19.
Three-phase power line is connected to motor by the protrusion 5 in 1 outside of protrusion casing, and easy-to-connect does not need individually to connect
Ground line 16, the mode of connection is unified, simplification of flowsheet.
In the present embodiment, the 6th pad 10 is additionally provided on circuit board 2, the 6th pad 10 is arranged in inside casing 1
On circuit board 2, the 6th pad 10 is connected with the second pad 6 by printing cabling, and the 6th pad 10 is equipped with pin piece 11, pin piece
The stator core 12 of 11 ends connection motor.Stator core 12 is well led with the 6th pad 10 on circuit board 2 with pin piece 11
It is logical.6th pad 10 and the second pad 6 are conducting inside circuit board.Therefore, ground wire 16 and stator core 12 are well connected,
Due to the inner wall of stator core 12 and casing 1 be it is good accessible, can also achieve the purpose that chassics earth.
In the present embodiment, multiple winding pads 13 are additionally provided on circuit board 2, each of multiple winding pads 13 are logical
It crosses printing cabling and is conducted to third pad 7 or the 4th pad 8 or the 5th pad 9, the stator winding 14 and winding pad of motor
13 are correspondingly connected with, and the end of each copper wire of stator winding 14 is successively welded on the winding pad 13 of circuit board 2 by fixed sequence
On, specific winding loop is formed with circuit board 2.
In the present embodiment, circuit board 2 further includes annulus 15, and annulus 15 is arranged in casing 1, annulus 15 and motor
Stator it is corresponding；Multiple winding pads 13 are arranged at intervals on annulus 15.More than one can be set on annulus 15
6th pad 10 and pin piece 11 guarantee the good conducting of stator core 12 and circuit board 2.
The motor ground connection structure of the present embodiment solves motor metal chassis problem with grounding, and casing passes through circuit board ground,
Better performances are grounded, ground wire is directly connected on circuit boards, and it is easy to connect, save casing cost.Motor production technology is simplified,
Improve production efficiency.
A kind of motor, using above-mentioned motor ground connection structure.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.Above only
It is the preferred embodiment of the present invention, it is noted that for those skilled in the art, do not departing from this hair
Under the premise of bright technical principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as guarantor of the invention
Protect range.
Claims (10)
1. a kind of motor ground connection structure characterized by comprising
Casing (1), and the circuit board (2) being assemblied in the casing (1)；
The circuit board (2) is at least partly pierced by the casing (1)；
The circuit board (2) is equipped with the first pad (3), and first pad (3) is arranged in the circuit board (2) and the machine
The staggered position of shell (1), first pad (3) connect with the casing (1), and the casing (1) passes through first pad
(3) it is grounded.
2. motor ground connection structure according to claim 1, which is characterized in that the peripheral wall of the casing (1) opens up jagged
(4), the circuit board (2) includes protrusion (5), and the protrusion (5) is pierced by by the notch (4) to the casing (1)
Outside.
3. motor ground connection structure according to claim 2, which is characterized in that first pad (3) is U-shaped, described the
The opening of one pad (3) is wrapped up towards the casing (1), the edge of the notch (4) by first pad (3), the machine
Shell (1) contacts conducting with first pad (3).
4. motor ground connection structure according to claim 1, which is characterized in that be additionally provided with the second weldering on the circuit board (2)
Disk (6), second pad (6) connect ground wire (16), and first pad (3) is walked with second pad (6) by printing
Line conducting.
5. motor ground connection structure according to claim 1, which is characterized in that the circuit board (2) is additionally provided with third pad
(7), it is additionally provided with the 4th pad (8) on third pad (7) the downlink connection U phase line (17) and/or the circuit board (2), it is described
The 5th pad (9), the 5th pad are additionally provided on 4th pad (8) connection V phase line (18) and/or the circuit board (2)
(9) W phase line (19) are connected.
6. motor ground connection structure according to claim 4, which is characterized in that be additionally provided with the 6th weldering on the circuit board (2)
Disk (10), the 6th pad (10) are arranged on the internal circuit board (2) of the casing (1), the 6th pad
(10) it is connected with second pad (6) by printing cabling, the stator core of the 6th pad (10) and the motor
(12) it connects.
7. motor ground connection structure according to claim 6, which is characterized in that the 6th pad (10) is equipped with pin piece
(11), pin piece (11) end connects the stator core (12) of the motor.
8. -7 any motor ground connection structure according to claim 1, which is characterized in that be additionally provided on the circuit board (2)
Multiple winding pads (13), each of the multiple winding pad (13) are conducted to the third weldering by printing cabling
Disk (7) or the 4th pad (8) or the 5th pad (9), the stator winding (14) of the motor and the winding pad (13) are right
It should connect.
9. motor ground connection structure according to claim 8, which is characterized in that the circuit board (2) further includes annulus
(15), in the casing (1), the annulus (15) is corresponding with the stator of the motor for annulus (15) setting；
The multiple winding pad (13) is arranged at intervals on the annulus (15).
10. a kind of motor, which is characterized in that using any motor ground connection structure of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910786289.7A CN110429766B (en) | 2019-08-23 | 2019-08-23 | Motor grounding structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910786289.7A CN110429766B (en) | 2019-08-23 | 2019-08-23 | Motor grounding structure and motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110429766A true CN110429766A (en) | 2019-11-08 |
| CN110429766B CN110429766B (en) | 2020-12-29 |
Family
ID=68415901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910786289.7A Active CN110429766B (en) | 2019-08-23 | 2019-08-23 | Motor grounding structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110429766B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57116569A (en) * | 1981-01-08 | 1982-07-20 | Nippon Denso Co Ltd | Voltage regulator |
| JPH08317604A (en) * | 1995-05-19 | 1996-11-29 | Shibaura Eng Works Co Ltd | Electric motor |
| CN207896768U (en) * | 2018-03-09 | 2018-09-21 | 中山市湘安电机电器有限公司 | A kind of earth protective device of permanent magnet DC motor |
| CN208015542U (en) * | 2018-01-22 | 2018-10-26 | 珠海凯邦电机制造有限公司 | Circuit board assemblies, stator and motor |
| CN108987964A (en) * | 2017-06-01 | 2018-12-11 | 德尔福技术有限责任公司 | Electronic shell assembly, electrical connection and assemble method |
| CN109005638A (en) * | 2018-09-07 | 2018-12-14 | 英迪迈智能驱动技术无锡股份有限公司 | A kind of PCB layout structure for tubular motor |
| CN208489772U (en) * | 2018-08-16 | 2019-02-12 | 江苏曼淇威电气产品有限公司 | A kind of plastic packaging motor |
-
2019
- 2019-08-23 CN CN201910786289.7A patent/CN110429766B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57116569A (en) * | 1981-01-08 | 1982-07-20 | Nippon Denso Co Ltd | Voltage regulator |
| JPH08317604A (en) * | 1995-05-19 | 1996-11-29 | Shibaura Eng Works Co Ltd | Electric motor |
| CN108987964A (en) * | 2017-06-01 | 2018-12-11 | 德尔福技术有限责任公司 | Electronic shell assembly, electrical connection and assemble method |
| CN208015542U (en) * | 2018-01-22 | 2018-10-26 | 珠海凯邦电机制造有限公司 | Circuit board assemblies, stator and motor |
| CN207896768U (en) * | 2018-03-09 | 2018-09-21 | 中山市湘安电机电器有限公司 | A kind of earth protective device of permanent magnet DC motor |
| CN208489772U (en) * | 2018-08-16 | 2019-02-12 | 江苏曼淇威电气产品有限公司 | A kind of plastic packaging motor |
| CN109005638A (en) * | 2018-09-07 | 2018-12-14 | 英迪迈智能驱动技术无锡股份有限公司 | A kind of PCB layout structure for tubular motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110429766B (en) | 2020-12-29 |
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