CN108923591B - Semi-circular ring electromagnetic compatibility anti-interference protection device for micro motor - Google Patents
Semi-circular ring electromagnetic compatibility anti-interference protection device for micro motor Download PDFInfo
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- CN108923591B CN108923591B CN201811137345.6A CN201811137345A CN108923591B CN 108923591 B CN108923591 B CN 108923591B CN 201811137345 A CN201811137345 A CN 201811137345A CN 108923591 B CN108923591 B CN 108923591B
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- main body
- capacitor
- breach
- copper deposit
- notch
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229910052802 copper Inorganic materials 0.000 claims abstract description 47
- 239000010949 copper Substances 0.000 claims abstract description 47
- 239000003990 capacitor Substances 0.000 claims abstract description 43
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 230000008021 deposition Effects 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000003466 welding 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
- H02K11/02—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
-
- 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
- H02K11/26—Devices for sensing voltage, or actuated thereby, e.g. overvoltage protection devices
-
- 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
- H02K11/27—Devices for sensing current, or actuated thereby
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention belongs to the technical field of automobile skylights, and particularly relates to a semicircular electromagnetic compatibility anti-interference protection device for a micro motor, which comprises a main body, wherein the main body is made of FR4 plates, the main body is semicircular and has a rectangular cross section, rectangular notches are formed at two ends of the main body, a plurality of through holes are formed in the main body, a left notch, a rectangular through hole and a right notch are formed in the top end of the main body from left to right, the rectangular through hole is positioned at the position which is located at the middle of the left notch and the right notch and is in a downward position, the left notch and the right notch are in mirror symmetry, left notch, the rectangular through hole and the right notch are respectively matched with U-shaped left copper deposit, U-shaped middle copper deposit and U-shaped right copper deposit which are inlaid in the left notch and the right notch, a capacitor C1 is inlaid on the front of the left copper deposit on the left side of the main body, a capacitor C2 is inlaid on the right side of the right copper deposit on the front of the main body, a capacitor C3 is inlaid on the right lower side of the right copper deposit, a TVS tube D1 is inlaid on the front of the main body, and a green oil coating is arranged on the back of the main body.
Description
Technical Field
The invention belongs to the technical field of automobile skylights, and particularly relates to a semicircular electromagnetic compatibility anti-interference protection device for a micro motor.
Background
With the continuous development of the automobile industry, various automobiles are provided with automatic skylights. The sunroof is installed on the roof, so that air in the automobile can be circulated effectively, fresh air can be increased, and healthy and comfortable enjoyment is brought to an automobile owner. The automobile sunroof is driven by a sunroof motor, and the sunroof motor is controlled by a corresponding control circuit.
The skylight motor provides power for the movement of the skylight, the existing skylight motor comprises a motor shell, a rotor, a stator, an armature shaft, a speed reducer and a long shaft, the armature shaft of the skylight motor is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the long shaft, and the long shaft is sleeved with a transmission arm. When the armature shaft of the motor of the sun roof rotates forward and backward, the speed reducer receives the power of the motor of the sun roof and drives the opening mechanism and the driving arm through the long shaft to open or close the sun roof.
However, in the control circuit of the automobile sunroof motor, a relay is generally adopted to control the direction and the speed of the sunroof motor, and the area of a printed circuit board is large due to the large volume of the relay, so that the EMC interference performance of the sunroof motor is poor.
Disclosure of Invention
The invention aims at: the semi-circular ring electromagnetic compatibility anti-interference protection device for the micro motor can eliminate EMC interference, including EMI electromagnetic interference and EMS radiation interference; the surge and surge can be restrained, and the device is suitable for being popularized and used in the market.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a semicircle ring electromagnetism holds anti-interference protection device for micromotor, includes the main part, the main part be FR4 panel, the thickness size of main part is: i=1 mm, the main body be semicircle ring and the section is rectangle, the interior circle size of main body is: r=30 mm, the outer circle size of the main body is: r=50 mm, rectangular gaps have all been seted up at the both ends of main part, two the nearest distance between the rectangular gap is: a=81.6 mm, the furthest distance between two rectangular gaps is: b=89.6 mm, the depth dimension of the rectangular notch is: h=5.6 mm, a plurality of through holes are formed in the main body, a left notch, a rectangular through hole and a right notch are formed in the top end of the main body from left to right, the rectangular through hole is located in the middle of the left notch and the right notch and is in mirror symmetry with the right notch, left copper deposit of U-shaped and middle copper deposit of a mouth shape and right copper deposit of U-shaped are respectively matched and inlaid in the left notch, the rectangular through hole and the right notch, and the nearest distance between the left copper deposit and the right copper deposit is as follows: d=18.4 mm, the furthest distance between the left and right copper deposit is: e=26.4 mm, and the caliber length dimension of the medium copper deposit is as follows: f=6 mm, wherein the caliber width dimension of the medium copper deposit is as follows: g=2.8 mm, and the dimension of the lowest caliber end of the medium copper deposit from the end face of the main body is as follows: c=36.4 mm, wherein the capacitor C1 is embedded on the left side of the left copper deposit on the front side of the main body, the capacitor C2 is embedded on the right side of the right copper deposit on the front side of the main body, the capacitor C3 is embedded on the right lower side of the right copper deposit on the front side of the main body, the TVS tube D1 is embedded on the right lower side of the capacitor C3 on the front side of the main body, the front green oil coating is arranged on the front side of the main body, and the back green oil coating is arranged on the back side of the main body;
the input end of the capacitor C1, the capacitor C3 and the TVS tube D1 are electrically connected with the positive electrode of the power supply, the output end of the capacitor C1 is respectively and electrically connected with the shell and the capacitor C2 in two branches, the output ends of the capacitor C2, the capacitor C3 and the TVS tube D1 are electrically connected with the negative electrode of the power supply, and the two ends of the TVS tube D1 are connected with the inductor L1 and the inductor L2 in series and are connected to the skylight motor M.
Further, the power supply is 12V, the capacitance of the capacitor C1 and the capacitance of the capacitor C2 are 102J, the capacitance of the capacitor C3 is 224M, the model of the TVS tube D1 is SMAJ36CA, and the inductance of the inductor L2 and the inductance of the inductor L1 are 3.7uH.
Compared with the prior art, the invention has the following beneficial effects:
1. because the left notch, the rectangular through hole and the right notch are respectively matched with the U-shaped left copper deposit, the U-shaped middle copper deposit and the U-shaped right copper deposit, the front surface and the back surface of the main body are completely communicated, the welding effect is ensured, and meanwhile, the interference elimination effect is also better;
2. the front surface of the main body is provided with the front surface green oil coating, and the back surface of the main body is provided with the back surface green oil coating, so that the interference generated by the circuit board and the rotor is completely surrounded and then released to the shell, thereby achieving the effect of reducing EMC;
3. because the main body is provided with a plurality of through holes, the diffusion in the interference transmission process can be reduced, and the surge are restrained.
Drawings
The invention can be further illustrated by means of non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic diagram of a front structure of an embodiment of a semicircular electromagnetic compatibility anti-interference protection device for a micro-motor according to the present invention;
FIG. 2 is a schematic diagram of the reverse structure of an embodiment of a semicircular electromagnetic compatible anti-interference protection device for a micro-motor according to the present invention;
FIG. 3 is a partial size label diagram of an embodiment of a semicircular electromagnetic compatibility anti-interference protection device for a micro-motor according to the present invention;
FIG. 4 is a thickness dimension marking chart of an embodiment of a semicircular electromagnetic compatibility anti-interference protection device for a micro-motor according to the present invention;
fig. 5 is a circuit connection diagram of an embodiment of a semicircular electromagnetic compatibility anti-interference protection device for a micro-motor according to the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, the following technical scheme of the present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1 to 5, the semicircular electromagnetic compatibility anti-interference protection device for a micro motor of the invention comprises a main body 1, wherein the main body 1 is made of FR4 board, and the thickness dimension of the main body 1 is as follows: i=1 mm, the main body 1 is a semicircular ring, the section is rectangular, and the inner circle size of the main body 1 is as follows: r=30 mm, the outer circle size of the main body 1 is: r=50 mm, rectangular notch 10 has all been seted up at the both ends of main part 1, and the closest distance between two rectangular notch 10 is: a=81.6 mm, the furthest distance between two rectangular notches 10 is: b=89.6 mm, the depth dimension of the rectangular notch 10 is: h=5.6 mm, the main body 1 is provided with a plurality of through holes 11, the top end of the main body 1 is provided with a left notch, a rectangular through hole and a right notch from left to right, the rectangular through hole is positioned at the lower position of the middle of the left notch and the right notch, the left notch and the right notch are in mirror symmetry, the left notch, the rectangular through hole and the right notch are respectively internally matched with a U-shaped left copper deposit 7, a mouth-shaped middle copper deposit 8 and a U-shaped right copper deposit 9, and the nearest distance between the left copper deposit 7 and the right copper deposit 9 is as follows: d=18.4 mm, the furthest distance between the left copper deposit 7 and the right copper deposit 9 is: e=26.4 mm, and the caliber length dimension of the medium copper deposition 8 is as follows: f=6 mm, and the caliber width dimension of the medium copper deposition 8 is as follows: g=2.8 mm, and the dimension of the caliber lowest end of the medium copper deposition 8 from the end face of the main body 1 is as follows: c=36.4 mm, the front surface of the main body 1 is inlaid with a capacitor C1 6 on the left side of the left copper deposit 7, the front surface of the main body 1 is inlaid with a capacitor C2 5 on the right side of the right copper deposit 9, the front surface of the main body 1 is inlaid with a capacitor C3 4 on the right lower side of the right copper deposit 9, the front surface of the main body 1 is inlaid with a TVS tube D1 3 on the right lower side of the capacitor C3 4, the front surface of the main body 1 is provided with a front green oil coating 2, and the back surface of the main body 1 is provided with a back green oil coating 12;
the input end of the capacitor C1 6, the capacitor C3 4 and the TVS tube D1 3 are electrically connected with the positive electrode of the power supply, the output end of the capacitor C1 6 is electrically connected with the shell and the capacitor C2 5 respectively in two branches, the output ends of the capacitor C2 5, the capacitor C3 4 and the TVS tube D1 3 are electrically connected with the negative electrode of the power supply, and the two ends of the TVS tube D1 3 are connected with the inductor L1 and the inductor L2 in series and are connected to the skylight motor M.
As a preferable scheme, the power supply is 12V, the capacitance of the capacitor C1 6 and the capacitance of the capacitor C2 5 are 102J, the capacitance of the capacitor C3 4 is 224M, the model of the TVS tube D1 3 is SMAJ36CA, and the inductance of the inductor L2 and the inductance of the inductor L1 are 3.7uH.
Note that TVS tube D1 3 was used: the voltage (current) mutation phenomenon exists in the running process of the skylight motor M, and a conventionally used capacitor is a charge-discharge filter device and does not play a role in protecting the running of the skylight motor M; the TVS is a high-efficiency protection device in the form of a diode by adopting a transient diode (Transient Voltage Suppressor) for short. When the two poles of the TVS tube D1 3 are impacted by reverse transient high energy, the high resistance between the two poles is changed into low resistance at the speed of the order of magnitude of minus 12 seconds, and the surge power of thousands of watts is absorbed, so that the voltage clamp between the two poles is positioned at a preset value, the precise components in an electronic circuit are effectively protected from being damaged by various surge pulses, and the operating skylight motor M is protected.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims of this invention, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the invention disclosed herein.
Claims (2)
1. The utility model provides a semicircle ring electromagnetism holds anti-interference protection device for micromotor, includes main part (1), its characterized in that: the main body (1) is made of FR4 board, and the thickness dimension of the main body (1) is as follows: i=1 mm, the main body (1) is a semicircular ring, the section of the main body is rectangular, and the inner circle of the main body (1) is as follows: r=30 mm, the outer circle size of the main body (1) is: r=50 mm, rectangle breach (10) have all been seted up at the both ends of main part (1), two closest distance between rectangle breach (10) is: a=81.6 mm, the furthest distance between two rectangular notches (10) is: b=89.6 mm, the depth dimension of the rectangular notch (10) is: h=5.6 mm, a plurality of via holes (11) have been seted up to main part (1), left breach, rectangle through-hole and right breach have been seted up from left to right in the top of main part (1), rectangle through-hole is located the centre of left breach and right breach and inclines down the position, left breach and right breach mirror symmetry, match respectively in left breach, rectangle through-hole and the right breach and inlay left heavy copper (7) of U-shaped, mouthful font well heavy copper (8) and the right heavy copper (9) of U-shaped, the nearest distance between left heavy copper (7) and the right heavy copper (9) is: d=18.4 mm, the furthest distance between the left copper deposit (7) and the right copper deposit (9) is: e=26.4 mm, and the caliber length dimension of the medium copper (8) is as follows: f=6 mm, wherein the caliber width dimension of the medium copper deposition (8) is as follows: g=2.8 mm, wherein the dimension of the lowest caliber end of the medium copper deposit (8) from the end face of the main body (1) is as follows: c=36.4 mm, the front of the main body (1) is inlaid with a capacitor C1 (6) on the left side of the left copper deposit (7), the front of the main body (1) is inlaid with a capacitor C2 (5) on the right side of the right copper deposit (9), the front of the main body (1) is inlaid with a capacitor C3 (4) on the right lower side of the right copper deposit (9), the front of the main body (1) is inlaid with a TVS tube D1 (3) on the right lower side of the capacitor C3 (4), the front of the main body (1) is provided with a front green oil coating (2), and the back of the main body (1) is provided with a back green oil coating (12);
the electric power generator is characterized in that the input ends of the capacitor C1 (6), the capacitor C3 (4) and the TVS tube D1 (3) are electrically connected with the positive electrode of a power supply, the output end of the capacitor C1 (6) is electrically connected with the shell and the capacitor C2 (5) respectively in two branches, the output ends of the capacitor C2 (5), the capacitor C3 (4) and the TVS tube D1 (3) are electrically connected with the negative electrode of the power supply, and the two ends of the TVS tube D1 (3) are connected with the inductor L1 and the inductor L2 in series and are connected to the skylight motor M.
2. The semicircular electromagnetic compatibility anti-interference protection device for a micro motor according to claim 1, wherein: the power supply is 12V, the capacitance of the capacitor C1 (6) and the capacitance of the capacitor C2 (5) are 102J, the capacitance of the capacitor C3 (4) is 224M, the model of the TVS tube D1 (3) is SMAJ36CA, and the inductance of the inductor L2 and the inductance of the inductor L1 are 3.7uH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811137345.6A CN108923591B (en) | 2018-09-28 | 2018-09-28 | Semi-circular ring electromagnetic compatibility anti-interference protection device for micro motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811137345.6A CN108923591B (en) | 2018-09-28 | 2018-09-28 | Semi-circular ring electromagnetic compatibility anti-interference protection device for micro motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108923591A CN108923591A (en) | 2018-11-30 |
| CN108923591B true CN108923591B (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811137345.6A Active CN108923591B (en) | 2018-09-28 | 2018-09-28 | Semi-circular ring electromagnetic compatibility anti-interference protection device for micro motor |
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| CN (1) | CN108923591B (en) |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1290987A (en) * | 2000-11-09 | 2001-04-11 | 许宁宁 | Electromagnetic compatible anti-interference device of permanent magnetic DC motor |
| CN1645717A (en) * | 2005-01-21 | 2005-07-27 | 横店集团东磁有限公司 | Low-interference electric motor |
| CN2938568Y (en) * | 2006-02-09 | 2007-08-22 | 浙江科锋汽车电器有限公司 | Electromagnetic compatible anti-interference device of vehicle permanent magnetic DC motor |
| CN102439826A (en) * | 2009-05-04 | 2012-05-02 | 英格索尔-兰德公司 | Rfi suppression system and method of mounting for DC cordless tools |
| CN202840844U (en) * | 2012-08-24 | 2013-03-27 | 宁波恒特汽车零部件有限公司 | EMC protection device of motor |
| CN203193421U (en) * | 2013-02-21 | 2013-09-11 | 东莞嘉和电机有限公司 | Starlike connected electrical connection structure of permanent magnet brushless motor three-phase windings |
| CN103490563A (en) * | 2013-08-30 | 2014-01-01 | 武汉为腾科技有限公司 | PCB filter circuit for micromotor multipoint earthing broadband EMC |
| CN203423588U (en) * | 2013-08-30 | 2014-02-05 | 武汉为腾科技有限公司 | PCB filter circuit used for micro-motor multipoint grounding broadband EMC |
| CN203660776U (en) * | 2014-01-07 | 2014-06-18 | 常州富邦电气有限公司 | Motor with EMC protector |
| CN104283374A (en) * | 2013-07-04 | 2015-01-14 | 博世汽车部件(长沙)有限公司 | Brush carrier plate and motor with same |
| CN204145193U (en) * | 2014-05-23 | 2015-02-04 | 韩磊 | The electromagnetic-field-shielded system of electric vehicle motor controller |
| CN204205899U (en) * | 2014-07-07 | 2015-03-11 | 常州市昊升电机有限公司 | Long-life, anti-jam poermanent magnetic DC motor |
| CN105099044A (en) * | 2015-09-22 | 2015-11-25 | 常州富邦电气有限公司 | Novel motor end cover |
| CN204928573U (en) * | 2015-09-24 | 2015-12-30 | 重庆大及电子科技有限公司 | Anti -electromagnetic interference filtering subassembly |
| CN105207416A (en) * | 2014-06-23 | 2015-12-30 | 德昌电机(深圳)有限公司 | Motor grounding connection device |
| JP2017208945A (en) * | 2016-05-19 | 2017-11-24 | 日立オートモティブシステムズエンジニアリング株式会社 | DC motor |
| CN206947616U (en) * | 2017-05-12 | 2018-01-30 | 上海马陆日用友捷汽车电气有限公司 | The plug device of the anti-radio interference of integrated form |
| CN206992917U (en) * | 2017-05-31 | 2018-02-09 | 惠州市龙德科技有限公司 | A kind of high voltage direct current motor |
| CN207884398U (en) * | 2018-02-07 | 2018-09-18 | 常州韩清机电科技有限公司 | A kind of motor brush rocker component |
| CN208767925U (en) * | 2018-09-28 | 2019-04-19 | 浙江凯威碳材料有限公司 | A kind of micro machine anti-interference protective device of semicircular ring electromagnetic compatibility |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8004135B2 (en) * | 2007-01-22 | 2011-08-23 | Nidec Motor Corporation | Electric motor and controller assembly with integrated sensor device |
-
2018
- 2018-09-28 CN CN201811137345.6A patent/CN108923591B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1290987A (en) * | 2000-11-09 | 2001-04-11 | 许宁宁 | Electromagnetic compatible anti-interference device of permanent magnetic DC motor |
| CN1645717A (en) * | 2005-01-21 | 2005-07-27 | 横店集团东磁有限公司 | Low-interference electric motor |
| CN2938568Y (en) * | 2006-02-09 | 2007-08-22 | 浙江科锋汽车电器有限公司 | Electromagnetic compatible anti-interference device of vehicle permanent magnetic DC motor |
| CN102439826A (en) * | 2009-05-04 | 2012-05-02 | 英格索尔-兰德公司 | Rfi suppression system and method of mounting for DC cordless tools |
| CN202840844U (en) * | 2012-08-24 | 2013-03-27 | 宁波恒特汽车零部件有限公司 | EMC protection device of motor |
| CN203193421U (en) * | 2013-02-21 | 2013-09-11 | 东莞嘉和电机有限公司 | Starlike connected electrical connection structure of permanent magnet brushless motor three-phase windings |
| CN104283374A (en) * | 2013-07-04 | 2015-01-14 | 博世汽车部件(长沙)有限公司 | Brush carrier plate and motor with same |
| CN103490563A (en) * | 2013-08-30 | 2014-01-01 | 武汉为腾科技有限公司 | PCB filter circuit for micromotor multipoint earthing broadband EMC |
| CN203423588U (en) * | 2013-08-30 | 2014-02-05 | 武汉为腾科技有限公司 | PCB filter circuit used for micro-motor multipoint grounding broadband EMC |
| CN203660776U (en) * | 2014-01-07 | 2014-06-18 | 常州富邦电气有限公司 | Motor with EMC protector |
| CN204145193U (en) * | 2014-05-23 | 2015-02-04 | 韩磊 | The electromagnetic-field-shielded system of electric vehicle motor controller |
| CN105207416A (en) * | 2014-06-23 | 2015-12-30 | 德昌电机(深圳)有限公司 | Motor grounding connection device |
| CN204205899U (en) * | 2014-07-07 | 2015-03-11 | 常州市昊升电机有限公司 | Long-life, anti-jam poermanent magnetic DC motor |
| CN105099044A (en) * | 2015-09-22 | 2015-11-25 | 常州富邦电气有限公司 | Novel motor end cover |
| CN204928573U (en) * | 2015-09-24 | 2015-12-30 | 重庆大及电子科技有限公司 | Anti -electromagnetic interference filtering subassembly |
| JP2017208945A (en) * | 2016-05-19 | 2017-11-24 | 日立オートモティブシステムズエンジニアリング株式会社 | DC motor |
| CN206947616U (en) * | 2017-05-12 | 2018-01-30 | 上海马陆日用友捷汽车电气有限公司 | The plug device of the anti-radio interference of integrated form |
| CN206992917U (en) * | 2017-05-31 | 2018-02-09 | 惠州市龙德科技有限公司 | A kind of high voltage direct current motor |
| CN207884398U (en) * | 2018-02-07 | 2018-09-18 | 常州韩清机电科技有限公司 | A kind of motor brush rocker component |
| CN208767925U (en) * | 2018-09-28 | 2019-04-19 | 浙江凯威碳材料有限公司 | A kind of micro machine anti-interference protective device of semicircular ring electromagnetic compatibility |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108923591A (en) | 2018-11-30 |
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