CN109088499A - A kind of electric vehicle motor safeguard - Google Patents
A kind of electric vehicle motor safeguard Download PDFInfo
- Publication number
- CN109088499A CN109088499A CN201811174542.5A CN201811174542A CN109088499A CN 109088499 A CN109088499 A CN 109088499A CN 201811174542 A CN201811174542 A CN 201811174542A CN 109088499 A CN109088499 A CN 109088499A
- Authority
- CN
- China
- Prior art keywords
- shell
- electric vehicle
- end cap
- motor
- side top
- 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.)
- Pending
Links
- 239000004065 semiconductor Substances 0.000 claims abstract description 27
- 239000011248 coating agent Substances 0.000 claims description 33
- 238000000576 coating method Methods 0.000 claims description 33
- 238000005260 corrosion Methods 0.000 claims description 23
- 230000007797 corrosion Effects 0.000 claims description 23
- 230000002401 inhibitory effect Effects 0.000 claims description 19
- 238000004140 cleaning Methods 0.000 claims description 11
- 239000007769 metal material Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000005057 refrigeration Methods 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 3
- 230000005679 Peltier effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003698 anagen phase Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- 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
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/10—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/26—Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a kind of electric vehicle motor safeguards, including shell, No.1 end cap and No. two end caps, the two sides of the shell are equipped with No.1 end cap and No. two end caps by bolt, the side top and bottom end of the No.1 end cap are equipped with semiconductor chilling plate by mounting groove, the side top and bottom end of No. two end caps are provided with clean-up port, longitudinally reinforced plate is welded on the inside of the No.1 end cap and No. two end caps, the case inside is provided with lateral stiffening plate by limiting slot, motor body is equipped with by mounting plate in the shell, the side top of the motor body and bottom end are provided with exhaust outlet, and exhaust fan is connected with by being fixedly connected with piece in exhaust outlet, the other side top of the shell and bottom end are provided with air inlet, the outside of the air inlet is equipped with collecting net slot by screw.The invention motor safeguard use intensity is high, and stability is good, and heat dissipation performance is strong, can remove dust in shell, is suitble to be widely used to promote.
Description
Technical field
The present invention relates to motor protection technology field, in particular to a kind of electric vehicle motor safeguard.
Background technique
Motor refers to a kind of calutron that electric energy conversion or transmitting are realized according to the law of electromagnetic induction, its main function
It is to generate driving torque, as electrical appliance or the power source of various machinery, electric vehicle motor is long-term exposed anti-in ambient atmosphere
Rotten effect is poor, and heat dissipation effect is unobvious, influences the service life of motor.For this purpose, it is proposed that a kind of electric vehicle motor is anti-
Protect equipment.
Summary of the invention
The main purpose of the present invention is to provide a kind of electric vehicle motor safeguards, can by the exhaust fan in exhaust outlet
The heat generated in motor body to be quickly sucked out, hot gas enters interlayer one end between shell and motor body, passes through
The purpose of refrigeration may be implemented in semiconductor chilling plate, to high cooling efficiency in shell, the hot gas of discharge is made to be quickly turned to cold air
Body is drawn into motor body from air inlet, and heat dissipation effect is significant, is made of corrosion-inhibiting coating of titanium metal material, is had anti-
Corrosive power is strong, and intensity is high, and oxidation resistance is strong, and surface of shell is made to be not easy to scratch breakage, durable, improves the use of shell
Service life can effectively solve the problems in background technique.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of electric vehicle motor safeguard, including shell, No.1 end cap and No. two end caps, the two sides of the shell pass through
Bolt is equipped with No.1 end cap and No. two end caps, and the side top and bottom end of the No.1 end cap are equipped with by mounting groove and are partly led
Body cooling piece, the side top and bottom end of No. two end caps are provided with clean-up port, the No.1 end cap and No. two end caps insides
It is welded with longitudinally reinforced plate, the case inside is provided with lateral stiffening plate by limiting slot, passes through mounting plate in the shell
Motor body is installed, the side top of the motor body and bottom end are provided with exhaust outlet, and connect in exhaust outlet by fixed
Contact pin is connected with exhaust fan, and the other side top of the shell and bottom end are provided with air inlet, pass through on the outside of the air inlet
Screw is equipped with collecting net slot, and the motor body inner peripheral is provided with rotor, is provided on the inside of the rotor
Motor stator is provided with hub bearing on the inside of the motor stator, and the extexine of the shell is provided with corrosion-inhibiting coating, described
Heat absorbing coating is provided between corrosion-inhibiting coating and shell.
Further, the refrigeration end of the semiconductor chilling plate is located in shell, and semiconductor chilling plate heating end is located at
On the outside of No.1 end cap, semiconductor chilling plate heating end periphery is provided with shield.
Further, cleaning lid has been bolted on the outside of the clean-up port.
Further, the collecting net slot face clean-up port setting.
Further, be equipped with fixing axle in the hub bearing, the both ends of the fixing axle through No.1 end cap and
No. two end caps, and installation end is located at outside shell.
Further, outer swivel becket is provided on the outside of the rotor, and outer swivel becket passes through bolt and shell phase
Even.
Further, the corrosion-inhibiting coating is made of titanium metal material, and the heat absorbing coating is made of black chromium metal material.
Compared with prior art, the invention has the following beneficial effects:
1. it can effectively improve integral strength, rigidity and the stability of shell by lateral stiffening plate and longitudinally reinforced plate,
It can bear higher impact force, long-time service is avoided to be deformed.
2. the heat generated in motor body can be quickly sucked out by the exhaust fan in exhaust outlet, hot gas enters shell
Interlayer one end between body and motor body, by semiconductor chilling plate, using the Peltier effect of semiconductor material, when straight
When the galvanic couple that galvanic electricity is connected by two kinds of different semiconductor materials, heat can be absorbed respectively at the both ends of galvanic couple and releases heat
The purpose of refrigeration may be implemented in amount, to high cooling efficiency in shell, so that the hot gas of discharge is quickly turned to cold air, from air inlet
Mouth is drawn into motor body, and heat dissipation effect is significant.
3. the outside of air inlet is equipped with collecting net slot by screw, the dust being convenient in air filtering, guarantee motor sheet
Intracorporal cleaning, and dust granule can be deposited in collecting net slot, convenient for manually being cleared up.
4. being made of corrosion-inhibiting coating of titanium metal material, have resistance to corrosion strong, intensity is high, and oxidation resistance is strong,
Surface of shell is set to be not easy to scratch breakage, it is durable, the service life of shell is improved, is black chromium metal material by heat absorbing coating
It is made, the intracorporal heat of shell is quickly sucked out, good heat dissipation effect further increases the radiating efficiency of motor body.
5. the motor protects functions of the equipments multiplicity, facilitate production, it is practical, it is suitble to be widely popularized and uses.
Detailed description of the invention
Fig. 1 is a kind of sectional view of electric vehicle motor safeguard of the present invention.
Fig. 2 is a kind of overall structure diagram of electric vehicle motor safeguard of the present invention.
Fig. 3 is the present invention a kind of heat absorbing coating and corrosion-inhibiting coating structural schematic diagram of electric vehicle motor safeguard.
In figure: 1, exhaust fan；2, exhaust outlet；3, semiconductor chilling plate；4, protective cover；5, No.1 end cap；6, longitudinally reinforced
Plate；7, shell；8, lateral stiffening plate；9, outer swivel becket；10, rotor；11, motor stator；12, hub bearing；13, it enters the wind
Mouthful；14, collecting net slot；15, clean-up port；16, cleaning lid；17, fixing axle；18, motor body；19, No. two end caps；20, it absorbs heat
Coating；21, corrosion-inhibiting coating.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Embodiment one
As shown in Figure 1-3, a kind of electric vehicle motor safeguard, including shell 7, No.1 end cap 5 and No. two end caps 19, institute
The two sides for stating shell 7 are equipped with No.1 end cap 5 and No. two end caps 19, the side top and bottom of the No.1 end cap 5 by bolt
End is equipped with semiconductor chilling plate 3 by mounting groove, and the side top and bottom end of No. two end caps 19 are provided with clean-up port 15,
It is welded with longitudinally reinforced plate 6 on the inside of the No.1 end cap 5 and No. two end caps 19, is provided on the inside of the shell 7 by limiting slot
Lateral stiffening plate 8 is equipped with motor body 18 by mounting plate in the shell 7, the side top of the motor body 18 with
Bottom end is provided with exhaust outlet 2, and is connected with exhaust fan 1, the other side top of the shell 7 by being fixedly connected with piece in exhaust outlet 2
End and bottom end are provided with air inlet 13, and the outside of the air inlet 13 is equipped with collecting net slot 14, the motor sheet by screw
18 inner peripheral of body is provided with rotor 10, and the inside of the rotor 10 is provided with motor stator 11, the motor stator
11 inside is provided with hub bearing 12, and the extexine of the shell 7 is provided with corrosion-inhibiting coating 21, the corrosion-inhibiting coating 21 and shell
Heat absorbing coating 20 is provided between body 7.
Wherein, the refrigeration end of the semiconductor chilling plate 3 is located in shell 7, and 3 heating end of semiconductor chilling plate is located at one
5 outside of number end cap, the 3 heating end periphery of semiconductor chilling plate are provided with shield 4, and opening semiconductor chilling plate 3 can be real
The purpose now freezed makes the hot gas of discharge be quickly turned to cold air, shield 4 is to semiconductor high cooling efficiency in shell 7
Cooling piece 3 plays the role of protection.
Wherein, the outside of the clean-up port 15 has been bolted cleaning lid 16, has been bolted cleaning lid 16
It can be rapidly assembled and disassembled.
Wherein, 14 face clean-up port 15 of the collecting net slot setting, opening cleaning lid 16 can be in collecting net slot 14
Dust is cleared up.
Wherein, fixing axle 17 is equipped in the hub bearing 12, No.1 end cap 5 is run through at the both ends of the fixing axle 17
With No. two end caps 19, and installation end is located at outside shell 7, and installation end is used to install electronic kickstand.
Wherein, the outside of the rotor 10 is provided with outer swivel becket 9, and outer swivel becket 9 passes through bolt and 7 phase of shell
Even.
Wherein, the corrosion-inhibiting coating 21 is made of titanium metal material, and the heat absorbing coating 20 is made of black chromium metal material,
Corrosion-inhibiting coating 21 has resistance to corrosion strong, and intensity is high, and oxidation resistance is strong, and 7 surface of shell is made to be not easy to scratch breakage, prolonged resistance to
With the heat in shell 7 is quickly sucked out the service life of raising shell 7, heat absorbing coating 20, good heat dissipation effect.
Embodiment two
As shown in Figure 1-3, a kind of electric vehicle motor safeguard, including shell 7, No.1 end cap 5 and No. two end caps 19, institute
The two sides for stating shell 7 are equipped with No.1 end cap 5 and No. two end caps 19, the side top and bottom of the No.1 end cap 5 by bolt
End is equipped with semiconductor chilling plate 3 by mounting groove, and the side top and bottom end of No. two end caps 19 are provided with clean-up port 15,
It is welded with longitudinally reinforced plate 6 on the inside of the No.1 end cap 5 and No. two end caps 19, is provided on the inside of the shell 7 by limiting slot
Lateral stiffening plate 8 is equipped with motor body 18 by mounting plate in the shell 7, the side top of the motor body 18 with
Bottom end is provided with exhaust outlet 2, and is connected with exhaust fan 1, the other side top of the shell 7 by being fixedly connected with piece in exhaust outlet 2
End and bottom end are provided with air inlet 13, and the outside of the air inlet 13 is equipped with collecting net slot 14, the motor sheet by screw
18 inner peripheral of body is provided with rotor 10, and the inside of the rotor 10 is provided with motor stator 11, the motor stator
11 inside is provided with hub bearing 12, and the extexine of the shell 7 is provided with corrosion-inhibiting coating 21, the corrosion-inhibiting coating 21 and shell
Heat absorbing coating 20 is provided between body 7.
Wherein, the refrigeration end of the semiconductor chilling plate 3 is located in shell 7, and 3 heating end of semiconductor chilling plate is located at one
5 outside of number end cap, the 3 heating end periphery of semiconductor chilling plate are provided with shield 4, and opening semiconductor chilling plate 3 can be real
The purpose now freezed makes the hot gas of discharge be quickly turned to cold air, shield 4 is to semiconductor high cooling efficiency in shell 7
Cooling piece 3 plays the role of protection.
Wherein, the outside of the clean-up port 15 has been bolted cleaning lid 16, has been bolted cleaning lid 16
It can be rapidly assembled and disassembled.
Wherein, 14 face clean-up port 15 of the collecting net slot setting, opening cleaning lid 16 can be in collecting net slot 14
Dust is cleared up.
Wherein, fixing axle 17 is equipped in the hub bearing 12, No.1 end cap 5 is run through at the both ends of the fixing axle 17
With No. two end caps 19, and installation end is located at outside shell 7, and installation end is used to install electronic kickstand.
Wherein, the outside of the rotor 10 is provided with outer swivel becket 9, and outer swivel becket 9 passes through bolt and 7 phase of shell
Even.
Wherein, the corrosion-inhibiting coating 21 is made of polytetrafluoroethylene material, and the heat absorbing coating 20 is black chromium metal material
It being made, corrosion-inhibiting coating 21 has resistance to corrosion strong, and intensity is high, and oxidation resistance is strong, and make 7 surface of shell be not easy to scratch breakage,
It is durable, the service life of shell 7 is improved, the heat in shell 7 is quickly sucked out heat absorbing coating 20, good heat dissipation effect.
It should be noted that the present invention is a kind of electric vehicle motor safeguard, when work, pass through lateral 8 He of stiffening plate
Longitudinally reinforced plate 6 can effectively improve integral strength, rigidity and the stability of shell 7, can bear higher impact force, and avoid growing
Phase use is deformed；The heat generated in motor body 18 can be quickly sucked out by the exhaust fan 1 in exhaust outlet 2, heat
Gas enters interlayer one end between shell 7 and motor body 18, and opening semiconductor chilling plate 3, (middle day electronics joint stock partnership is public
Take charge of product), using the Peltier effect of semiconductor material, when the electricity that direct current is connected by two kinds of different semiconductor materials
When even, heat can be absorbed respectively at the both ends of galvanic couple and releases heat, the purpose of refrigeration may be implemented, to freezing in shell 7
It is high-efficient, so that the hot gas of discharge is quickly turned to cold air, is drawn into motor body 18 from air inlet, heat dissipation effect is significant；
The outside of air inlet 13 is equipped with collecting net slot 14 by screw, the dust being convenient in air filtering, guarantees in motor body 18
Cleaning, and dust granule can be deposited in collecting net slot 14, convenient for manually being cleared up；Corrosion-inhibiting coating 21 is titanium material
Material is made, and has resistance to corrosion strong, and intensity is high, and oxidation resistance is strong, and 7 surface of shell is made to be not easy to scratch breakage, durable,
The service life of shell 7 is improved, heat absorbing coating 20 is made of black chromium metal material, the heat in shell 7 is quickly sucked out, and radiates
Effect is good, further increases the radiating efficiency of motor body 18.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of electric vehicle motor safeguard, including shell (7), No.1 end cap (5) and No. two end caps (19), feature exists
In: the two sides of the shell (7) are equipped with No.1 end cap (5) and No. two end caps (19) by bolt, the No.1 end cap (5)
Side top and bottom end are equipped with semiconductor chilling plate (3) by mounting groove, the side top and bottom of No. two end caps (19)
End is provided with clean-up port (15), is welded with longitudinally reinforced plate (6) on the inside of the No.1 end cap (5) and No. two end caps (19), described
It is provided with lateral stiffening plate (8) on the inside of shell (7) by limiting slot, motor sheet is equipped with by mounting plate in the shell (7)
Body (18), the side top and bottom end of the motor body (18) are provided with exhaust outlet (2), and pass through fixation in exhaust outlet (2)
Connection sheet is connected with exhaust fan (1), and the other side top and bottom end of the shell (7) are provided with air inlet (13), the air inlet
The outside of mouth (13) is equipped with collecting net slot (14) by screw, and motor body (18) inner peripheral is provided with rotor
(10), it is provided with motor stator (11) on the inside of the rotor (10), is provided with wheel on the inside of the motor stator (11)
Hub axle is held (12), and the extexine of the shell (7) is provided with corrosion-inhibiting coating (21), the corrosion-inhibiting coating (21) and shell (7) it
Between be provided with heat absorbing coating (20).
2. a kind of electric vehicle motor safeguard according to claim 1, it is characterised in that: the semiconductor chilling plate
(3) refrigeration end is located in shell (7), and semiconductor chilling plate (3) heating end is located on the outside of No.1 end cap (5), described partly to lead
Body cooling piece (3) heating end periphery is provided with shield (4).
3. a kind of electric vehicle motor safeguard according to claim 1, it is characterised in that: outside the clean-up port (15)
Side has been bolted cleaning lid (16).
4. a kind of electric vehicle motor safeguard according to claim 1, it is characterised in that: the collecting net slot (14) is just
Clean-up port (15) are arranged.
5. a kind of electric vehicle motor safeguard according to claim 1, it is characterised in that: in the hub bearing (12)
It is equipped with fixing axle (17), No.1 end cap (5) and No. two end caps (19), and installation end are run through in the both ends of the fixing axle (17)
Outside positioned at shell (7).
6. a kind of electric vehicle motor safeguard according to claim 1, it is characterised in that: the rotor (10)
Outside is provided with outer swivel becket (9), and outer swivel becket (9) is connected by bolt with shell (7).
7. a kind of electric vehicle motor safeguard according to claim 1, it is characterised in that: the corrosion-inhibiting coating (21) is
Titanium metal material is made, and the heat absorbing coating (20) is made of black chromium metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174542.5A CN109088499A (en) | 2018-10-09 | 2018-10-09 | A kind of electric vehicle motor safeguard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174542.5A CN109088499A (en) | 2018-10-09 | 2018-10-09 | A kind of electric vehicle motor safeguard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109088499A true CN109088499A (en) | 2018-12-25 |
Family
ID=64843348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811174542.5A Pending CN109088499A (en) | 2018-10-09 | 2018-10-09 | A kind of electric vehicle motor safeguard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109088499A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994326A (en) * | 2021-02-26 | 2021-06-18 | 徐州鸿润达电动车有限公司 | Protection device for electric vehicle motor |
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| US20130214624A1 (en) * | 2012-01-27 | 2013-08-22 | Remy Technologies, Llc | Electric machine cooling |
| CN204559320U (en) * | 2015-03-24 | 2015-08-12 | 陈建发 | A kind of motor |
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| CN207603388U (en) * | 2017-12-28 | 2018-07-10 | 东莞市金的电机有限公司 | A kind of stepper motor being easily installed |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994326A (en) * | 2021-02-26 | 2021-06-18 | 徐州鸿润达电动车有限公司 | Protection device for electric vehicle motor |
| CN112994326B (en) * | 2021-02-26 | 2022-01-28 | 徐州鸿润达电动车有限公司 | Protection device for electric vehicle motor |
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