CN108832775A - motor and electromagnetic interference protection device for motor - Google Patents
motor and electromagnetic interference protection device for motor Download PDFInfo
- Publication number
- CN108832775A CN108832775A CN201710998115.8A CN201710998115A CN108832775A CN 108832775 A CN108832775 A CN 108832775A CN 201710998115 A CN201710998115 A CN 201710998115A CN 108832775 A CN108832775 A CN 108832775A
- Authority
- CN
- China
- Prior art keywords
- grounding means
- earthing
- extension
- electromagnetic interference
- pedestal
- 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
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 23
- 239000010949 copper Substances 0.000 claims description 23
- 229910052802 copper Inorganic materials 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- 239000004020 conductor Substances 0.000 claims description 14
- 238000000465 moulding Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 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
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
Abstract
The invention relates to a motor and an electromagnetic interference protection device for the motor, the motor comprises a base, a shaft tube, a stator set, a rotor set, a circuit board, a conductive element and an extension grounding device, the shaft tube is arranged on the base, the stator set is arranged on the periphery of the shaft tube, the rotor set is rotatably arranged on the shaft tube, the circuit board is arranged on the periphery of the shaft tube and is electrically connected with the stator set, the circuit board is provided with at least one grounding end, the conductive element is electrically connected with the at least one grounding end, and the extension grounding device is arranged on the base and is electrically connected with the conductive element. The grounding end of the circuit board and the extension grounding device are electrically connected by the conductive element, so that the grounding of the circuit board can extend to the extension grounding device, the grounding effect is improved, and the effect of electromagnetic interference protection can be improved by the extension grounding device with a larger range and area.
Description
Technical field
The invention relates to a kind of motor and for the device for preventing electromagnetic interference of motor.
Background technique
The electromagnetic interference shielding of known motor is bad, and the element or device for easily making neighbouring motor, may by electromagnetic interference
Cause element or the device action of neighbouring motor abnormal.
Summary of the invention
The present invention provides motor.In one embodiment, which includes a pedestal, a central siphon, stator group, a rotor
Group, a circuit board, a conducting element and one extend earthing or grounding means.The central siphon is set to the pedestal.The stator pack is set to the axis
Pipe periphery.The rotor set is rotationally arranged at the central siphon.The circuit board is set to the central siphon periphery, and is electrically connected the stator
Group, the circuit board have an at least ground terminal.The conducting element is electrically connected an at least ground terminal.The extension earthing or grounding means is set
It is placed in the pedestal, is electrically connected the conducting element.
The present invention is provided to the device for preventing electromagnetic interference of motor.In one embodiment, the device for preventing electromagnetic interference
Including：One pedestal, a circuit board, a conducting element and one extend earthing or grounding means.The pedestal includes a first surface and one second
Surface, the second surface is relative to the first surface.The circuit board is set to the first surface of the pedestal, which has
An at least ground terminal.The conducting element is electrically connected an at least ground terminal.The extension earthing or grounding means is set to the pedestal, electrically
Connect the conducting element.
Using motor of the invention and the device for preventing electromagnetic interference, the conducting element is made to be electrically connected being somebody's turn to do for the circuit board
Ground terminal and the extension earthing or grounding means make the ground connection of the circuit board may extend to the extension earthing or grounding means, promote earthing effect, and
Using this of larger range and area extension earthing or grounding means, the effect of electromagnetic interference shielding can be promoted.
Detailed description of the invention
Fig. 1 shows the decomposition diagram of motor of the present invention；
Fig. 2 shows the diagrammatic cross-section of motor of the present invention；
Fig. 3 shows the schematic diagram of extension earthing or grounding means of the invention in conjunction with pedestal；And
Fig. 4 shows central siphon of the invention and extends the integrally formed schematic diagram of earthing or grounding means.
Drawing reference numeral
10 motors
11 pedestals
12 central siphons
13 stator packs
14 rotor sets
15 circuit boards
16 conducting elements
17 extend earthing or grounding means
27 extend earthing or grounding means
111 first surfaces
112 second surfaces
113 holding tanks
114 perforations
115 wire casings
141 motor shells
142 permanent magnets
143 central axises
151 ground terminals
171 copper billets
172 metal plates
173 centre bores
174 extensions
175 notches
271 central siphon portions
272 metal plates
273 copper billets
Specific embodiment
Fig. 1 shows the decomposition diagram of motor of the present invention.Fig. 2 shows the diagrammatic cross-section of motor of the present invention.Cooperation reference
Fig. 1 and Fig. 2, motor 10 of the invention have electromagnetic interference shielding, and the element of neighbouring motor can be prevented by electromagnetic interference.The motor
10 include a pedestal 11, a central siphon 12, stator group 13, a rotor set 14, a circuit board 15, a conducting element 16 and an extension
Earthing or grounding means 17.
In one embodiment, which includes a first surface 111 and a second surface 112,112 phase of second surface
For the first surface 111.The central siphon 12 is set to the pedestal 11, and the central siphon 12 is set to the first surface of the pedestal 11
111.In one embodiment, which is a metal central siphon.
The stator pack 13 is set to 12 periphery of central siphon.The rotor set 14 is rotationally arranged at the central siphon 12.The rotor
Group 14 has a motor shell 141, a permanent magnet 142 and a central axis 143.The central axis 143 is rotationally arranged at the axis
In pipe 12.The permanent magnet 142 is set to the inside of the motor shell 141.
The circuit board 15 is set to 12 periphery of central siphon, and is electrically connected the stator pack 13, which has at least
One ground terminal 151.Also, the circuit board 15 is set on the direction of the first surface 111 of the pedestal 11.
The conducting element 16 is electrically connected an at least ground terminal 151.The extension earthing or grounding means 17 is set to the pedestal 11,
It is electrically connected the conducting element 16.In one embodiment, which is an electroconductive elastic sheet, can flexibly be bent with electrical property
Connect the ground terminal 151 and the extension earthing or grounding means 17 of the circuit board 15.In one embodiment, which is in " 8 "
Font, and its two-end-point is to be resiliently displaceable and unlocked, therefore setting height that can be different according to the circuit board 15 is flexibly pressed
Contract the conducting element 16, makes that the conducting element 16 is successfully electrically connected the ground terminal 151 of the circuit board 15 and the extension connects
Ground device 17.
It is electrically connected the ground terminal 151 and the extension earthing or grounding means 17 of the circuit board 15 using the conducting element 16, makes
The ground connection of the circuit board 15 may extend to the extension earthing or grounding means 17, promote earthing effect, and utilize larger range and area
The extension earthing or grounding means 17, can promote the effect of electromagnetic interference shielding.
In one embodiment, which includes at least two conductive materials, at least two conductive materials
Conductivity is different, such as：Silver, copper, gold, aluminium or iron etc., and the conductivity of copper is greater than the conductivity of iron.In one embodiment, should
Conducting element 16 contacts one of the extension earthing or grounding means 17 conductive material, the conductive material that is contacted (such as：Copper)
Conductivity compared with the extension earthing or grounding means 17 other conductive materials (such as：Iron) conductivity it is high.In one embodiment, this prolongs
Stretching earthing or grounding means 17 includes an at least copper billet 171 and a metal plate 172, which contacts an at least copper billet 171.It should
Metal plate 172 can be iron plate.At least a copper billet 171 is set in the metal plate 172 for this, and the conducting element 16 also can be copper,
Because the conductivity of copper is greater than the conductivity of iron, therefore the conducting element 16 and an at least copper billet 171 are utilized, the circuit board 15 can be promoted
The ground terminal 151 to the extension earthing or grounding means 17 conductivity and conductive effect.
In one embodiment, which can be combined with impact style with the metal plate 172, and this at least one
The thickness of copper billet 171 can be identical as the thickness of the metal plate 172, makes at least surface of a copper billet 171 and the metal plate 172
Flush.In one embodiment, the thickness of an at least copper billet 171 be smaller than the metal plate 172 thickness or this at least
The surface of one copper billet 171 is slightly recessed compared with the surface of the metal plate 172, and the conducting element 16 can be made to contact an at least copper billet
When 171, the position of the conducting element 16 is limited, it is mobile to avoid the conducting element 16.
In one embodiment, which is set to the second surface 112.The pedestal 11 separately includes a receiving
Slot 113 is set to the second surface 112, to accommodate the extension earthing or grounding means 17.The holding tank 113 in a ring, to prolong with this
Stretch the shape cooperation of earthing or grounding means 17.
In one embodiment, which separately includes a centre bore 173 and multiple extensions 174, the center
Hole 173 to accommodate the central siphon 12, multiple extension 174 is extended outwardly by the metal plate 172, to penetrate with the pedestal 11
Wrap molding combines.In one embodiment, multiple extension 174 can have an at least hole, in favor of penetrating packet with the pedestal 11
Molding combines, and keeps combination more firm.
Fig. 3 shows the schematic diagram of extension earthing or grounding means of the invention in conjunction with pedestal.Cooperation refers to Fig. 1 and Fig. 3, real one
It applies in example, which separately includes a perforation 114.Part perforation 114 is located at the relative position of the holding tank 113, that is, the appearance
The a part of slot 113 received is run through by part perforation 114.When the extension earthing or grounding means 17 is combined with the pedestal 11, and it is set to
When the holding tank 113, by 111 sight of first surface of the pedestal 11, the part extension earthing or grounding means 17 can in towards this first
The direction on surface 111 appears, to be electrically connected with the conducting element 16.In one embodiment, the extension earthing or grounding means 17 is in this
The exposing portion of first surface point includes an at least copper billet 171, contact the conducting element 16 can with an at least copper billet and electric
Property connection.
In one embodiment, which includes separately a notch 175, positioned at the opposite of the part perforation 114
Position.Via the notch 175, can make multiple external endpoints (not shown go out) of the circuit board 15 expose to the pedestal 11 this
Two surfaces 112, multiple external endpoint connect multiple connecting wires (not shown go out) to extraneous.Therefore, using the notch 175,
It can be conducive to operator and change connecting wire.
In one embodiment, which includes separately a wire casing 115, is set to the second surface 112, connects the perforation
114, it is exposed to avoid connecting wire to accommodate multiple connecting wire of the circuit board 15, it suffers damage.
In one embodiment, which is a metal central siphon, and is set to the extension earthing or grounding means 17, also that is, the axis
Pipe 12 is set in the centre bore 173 of the extension earthing or grounding means 17.The central siphon 12 is electrically connected the extension earthing or grounding means 17, can
Contact area and range are improved, to promote earthing effect, and can further promote the effect of electromagnetic interference shielding.
Fig. 4 shows central siphon of the invention and extends the integrally formed schematic diagram of earthing or grounding means.With reference to Fig. 4, in an embodiment
In, which is a metal central siphon, and is integrally formed and manufactures with the extension earthing or grounding means 27.Therefore, the extension earthing or grounding means 27
Including：One central siphon portion 271 and a metal plate 272.The central siphon portion 271 can be used as central siphon, and the central axis of the rotor set of the motor can
It is rotatably provided in the central siphon portion 271.The extension earthing or grounding means 27 includes separately a copper billet 273, is set to the metal plate 272.
Cooperation refer to Fig. 1 and Fig. 4, in one embodiment, the conducting element 16 can be electrically connected the circuit board 15 this connect
Ground terminal 151 to central siphon portion 271 of the extension earthing or grounding means 27 similarly can make the ground connection of the circuit board 15 may extend to this
Extend earthing or grounding means 27, there is the effect for promoting earthing effect and electromagnetic interference shielding.
It refer again to Fig. 1, in one embodiment, the present invention is provided to the device for preventing electromagnetic interference of motor.The electromagnetism
Interference preventer includes：One pedestal 11, a circuit board 15, a conducting element 16 and one extend earthing or grounding means 17.Utilize the electricity
Magnetic disturbance protective device makes the conducting element 16 be electrically connected the ground terminal 151 and the extension earthing or grounding means of the circuit board 15
17, so that the ground connection of the circuit board 15 is may extend to the extension earthing or grounding means 17, promotes earthing effect, and utilize larger range and face
The long-pending extension earthing or grounding means 17, can promote the effect of electromagnetic interference shielding.
Above-described embodiment is only to illustrate the principle of the present invention and its effect, is not intended to limit the present invention.Practise the people in this technology
The modification and variation that scholar makes above-described embodiment are still without prejudice to spirit of the invention.Interest field of the invention is answered as be described hereinafter
Listed by claim.
Claims (28)
1. a kind of motor, which is characterized in that the motor includes：
One pedestal；
One central siphon is set to the pedestal；
Stator group is set to the central siphon periphery；
One rotor set is rotationally arranged at the central siphon；
One circuit board is set to the central siphon periphery, and is electrically connected the stator pack, and the circuit board is at least one ground connection
End；
One conducting element is electrically connected an at least ground terminal；And
One extends earthing or grounding means, is set to the pedestal, is electrically connected the conducting element.
2. motor according to claim 1, which is characterized in that the central siphon is a metal central siphon, and is connect with the extension
Ground device is integrally formed manufacture.
3. motor according to claim 1, which is characterized in that the central siphon is a metal central siphon, and is set to described prolong
Earthing or grounding means is stretched, and is electrically connected the extension earthing or grounding means.
4. motor according to claim 2 or 3, which is characterized in that the extension earthing or grounding means includes at least two conductive
The conductivity of material, at least two conductive materials is different.
5. motor according to claim 4, which is characterized in that the conducting element contacts its for extending earthing or grounding means
One of conductive material, the conductivity of the conductive material contacted other conductive materials for extending earthing or grounding means
Conductivity is high.
6. motor according to claim 5, which is characterized in that the extension earthing or grounding means includes an at least copper billet and a gold medal
Belong to plate, the conducting element contacts an at least copper billet.
7. motor according to claim 1, which is characterized in that the conducting element is an electroconductive elastic sheet.
8. motor according to claim 7, which is characterized in that the conducting element is in " 8 " font.
9. motor according to claim 1, which is characterized in that the pedestal includes a first surface and a second surface,
For the second surface relative to the first surface, the circuit board is set to the first surface, the extension earthing or grounding means
It is set to the second surface.
10. motor according to claim 9, which is characterized in that the pedestal separately includes a holding tank, is set to described
Two surfaces, to accommodate the extension earthing or grounding means.
11. motor according to claim 10, which is characterized in that the extension earthing or grounding means separately includes a centre bore and more
A extension, the centre bore extend outwardly to accommodate the central siphon, the multiple extension, to penetrate packet with the pedestal
Molding combines.
12. motor according to claim 10, which is characterized in that the pedestal separately includes a perforation, and part perforation is located at
The relative position of the holding tank appears the part extension earthing or grounding means in towards the direction of the first surface.
13. motor according to claim 12, which is characterized in that the extension earthing or grounding means separately includes a notch, is located at
The relative position of the part perforation.
14. motor according to claim 12, which is characterized in that the pedestal separately includes a wire casing, is set to described
Two surfaces connect the perforation, to accommodate multiple connecting wires of the circuit board.
15. a kind of device for preventing electromagnetic interference for motor, which is characterized in that the device for preventing electromagnetic interference includes：
One pedestal, including a first surface and a second surface, the second surface is relative to the first surface；
One circuit board, is set to the first surface of the pedestal, and the circuit board has an at least ground terminal；
One conducting element is electrically connected an at least ground terminal；And
One extends earthing or grounding means, is set to the pedestal, is electrically connected the conducting element.
16. device for preventing electromagnetic interference according to claim 15, which is characterized in that the device for preventing electromagnetic interference is another
Including a central siphon, it is set to the pedestal, the central siphon is a metal central siphon, and is integrally formed and makes with the extension earthing or grounding means
It makes.
17. device for preventing electromagnetic interference according to claim 15, which is characterized in that the device for preventing electromagnetic interference is another
Including a central siphon, it is set to the pedestal, the central siphon is a metal central siphon, and is set to the extension earthing or grounding means, and electricity
Property the connection extension earthing or grounding means.
18. device for preventing electromagnetic interference according to claim 16 or 17, which is characterized in that the extension earthing or grounding means is another
Including at least two conductive materials, the conductivity of at least two conductive materials is different.
19. device for preventing electromagnetic interference according to claim 18, which is characterized in that prolong described in the conducting element contact
One of earthing or grounding means conductive material is stretched, the conductivity of the conductive material contacted the extension earthing or grounding means
The conductivity of other conductive materials is high.
20. device for preventing electromagnetic interference according to claim 19, which is characterized in that the extension earthing or grounding means includes extremely
A few copper billet and a metal plate, the conducting element contact an at least copper billet.
21. device for preventing electromagnetic interference according to claim 15, which is characterized in that the conducting element is a conductive bullet
Piece.
22. device for preventing electromagnetic interference according to claim 21, which is characterized in that the conducting element is in " 8 " font.
23. device for preventing electromagnetic interference according to claim 16 or 17, which is characterized in that the extension earthing or grounding means is set
It is placed in the second surface.
24. device for preventing electromagnetic interference according to claim 23, which is characterized in that the pedestal separately includes a receiving
Slot is set to the second surface, to accommodate the extension earthing or grounding means.
25. device for preventing electromagnetic interference according to claim 24, which is characterized in that the extension earthing or grounding means separately has
One centre bore and multiple extensions, the centre bore extend outwardly to accommodate the central siphon, the multiple extension, to
The pedestal penetrates wrap molding combination.
26. device for preventing electromagnetic interference according to claim 24, which is characterized in that the pedestal separately includes a perforation,
Part perforation is located at the relative position of the holding tank, makes the part extension earthing or grounding means in the direction towards the first surface
Appear.
27. device for preventing electromagnetic interference according to claim 26, which is characterized in that the extension earthing or grounding means separately includes
One notch, positioned at the relative position of the part perforation.
28. device for preventing electromagnetic interference according to claim 26, which is characterized in that the pedestal separately includes a wire casing,
It is set to the second surface, connects the perforation, to accommodate multiple connecting wires of the circuit board.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106114902 | 2017-05-05 | ||
| TW106114902A TWI632763B (en) | 2017-05-05 | 2017-05-05 | Motor and electromagnetic interference protection device for motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108832775A true CN108832775A (en) | 2018-11-16 |
| CN108832775B CN108832775B (en) | 2020-08-14 |
Family
ID=63959950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710998115.8A Active CN108832775B (en) | 2017-05-05 | 2017-10-24 | Motor and electromagnetic interference protection device for motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108832775B (en) |
| TW (1) | TWI632763B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI748450B (en) * | 2020-05-14 | 2021-12-01 | 大陸商深圳興奇宏科技有限公司 | Motor stator anti-interference structure |
| US11258335B2 (en) | 2020-06-10 | 2022-02-22 | Asia Vital Components (China) Co., Ltd. | Motor stator anti-interferences structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1929730A (en) * | 2005-09-09 | 2007-03-14 | 鸿富锦精密工业（深圳）有限公司 | Grounding device for reducing electromagnetic interference |
| CN204200621U (en) * | 2014-10-20 | 2015-03-11 | 元山科技工业股份有限公司 | Radiation-resistant radiation fan |
| CN105026001A (en) * | 2013-01-26 | 2015-11-04 | 博泽沃尔兹堡汽车零部件有限公司 | Rotary electric machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW322967U (en) * | 1997-01-16 | 1997-12-11 | Act Rx Technology Corp | Cooling fan without electromagnetic interference |
| TWI600257B (en) * | 2012-06-18 | 2017-09-21 | 英普羅密封有限責任公司 | Current diverter ring |
| CN203166702U (en) * | 2013-03-26 | 2013-08-28 | 日本电产株式会社 | Fan motor |
| TW201612423A (en) * | 2014-09-23 | 2016-04-01 | Yen Sun Technology Corp | Cooling fan capable of eliminating noise interference |
-
2017
- 2017-05-05 TW TW106114902A patent/TWI632763B/en active
- 2017-10-24 CN CN201710998115.8A patent/CN108832775B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1929730A (en) * | 2005-09-09 | 2007-03-14 | 鸿富锦精密工业（深圳）有限公司 | Grounding device for reducing electromagnetic interference |
| CN105026001A (en) * | 2013-01-26 | 2015-11-04 | 博泽沃尔兹堡汽车零部件有限公司 | Rotary electric machine |
| CN204200621U (en) * | 2014-10-20 | 2015-03-11 | 元山科技工业股份有限公司 | Radiation-resistant radiation fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108832775B (en) | 2020-08-14 |
| TW201843918A (en) | 2018-12-16 |
| TWI632763B (en) | 2018-08-11 |
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