CN110113919A - Automobile gearbox electronic controller structure - Google Patents
Automobile gearbox electronic controller structure Download PDFInfo
- Publication number
- CN110113919A CN110113919A CN201910383601.8A CN201910383601A CN110113919A CN 110113919 A CN110113919 A CN 110113919A CN 201910383601 A CN201910383601 A CN 201910383601A CN 110113919 A CN110113919 A CN 110113919A
- Authority
- CN
- China
- Prior art keywords
- end cover
- lower cover
- cover
- electronic controller
- automobile gearbox
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002826 coolant Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 11
- -1 water-cooled block Substances 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 14
- 239000000110 cooling liquid Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 9
- 239000000565 sealant Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0047—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20845—Modifications to facilitate cooling, ventilating, or heating for automotive electronic casings
- H05K7/20854—Heat transfer by conduction from internal heat source to heat radiating structure
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20845—Modifications to facilitate cooling, ventilating, or heating for automotive electronic casings
- H05K7/20863—Forced ventilation, e.g. on heat dissipaters coupled to components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20845—Modifications to facilitate cooling, ventilating, or heating for automotive electronic casings
- H05K7/20872—Liquid coolant without phase change
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention provides a kind of automobile gearbox electronic controller structures, including upper end cover, lower cover, connector, water-cooled radiator, the lower cover is located at the lower part of the upper end cover, the upper end cover is tightly connected by sealing ring and the lower cover, the edge of the upper end cover is provided with connector installing port, the connector is embedded in the connector installing port, the connector is tightly attached to the connector installing port by the sealing ring, the water-cooled radiator includes radiating module, temperature sensor, control circuit, the radiating module includes water pump, coolant liquid, water-cooled block, water tank and fan.The water tank realizes the circulation of coolant liquid to extract coolant liquid to store coolant liquid, the water pump, and the quantity of the water-cooled block is two, respectively to contact with the upper end cover exterior ribs and lower cover fin.Automobile gearbox electronic controller structure of the invention is overall beautiful, heat dissipation performance is fabulous and has dust reduction capability.
Description
Technical field
The present invention relates to a kind of automobile gearbox electronic controller structures.
Background technique
In the control system of electric car, gearbox control controls the normal operation of transmission system, affects vehicle
Dynamic property and economy, suitable gearbox control plays very important effect to the overall performance of electric car.
The research of gearbox control mainly will appear the problem of three aspects: first, waterproofness, due to automobile engine nacelle
Often it just will affect gearbox control if gearbox control does not have good waterproof performance with contacting rain water
Control of the device to transmission system, to influence the overall performance of vehicle；Second, heat dissipation performance, in car running process, pcb board
The regional area of (PCB, that is, Printed Circuit Board, be translated into printed wiring board) can be constantly be generated heat, and speed change
Case controller inner space is smaller and is confined space, will affect gearbox control if heat cannot shed in time
Working performance；Third, appearance, appearance are mainly reflected in beauty and are easily installed two aspects, and preferable appearance can be that product is held
The necessary condition of hair, being easily installed is the reasonability for embodying Machine Design.
In the prior art, what designer often considered is the two therein, is less able to combine the above several points, and
It has ignored any point therein just and will affect the performance of gearbox control, to generate unpredicted shadow to vehicle performance
It rings.Therefore, as the design and exploitation of the gearbox control of vehicle electric field, it is necessary to comprehensively consider the above several points.
Summary of the invention
The purpose of the present invention is to provide a kind of waterproof, heat sinking function are excellent, and the automobile gearbox electronics being easily installed
Controller architecture.
To achieve the above object, the present invention provides a kind of automobile gearbox electronic controller structure, including upper end cover, under
End cap, connector, water-cooled radiator, the lower cover are located at the lower part of the upper end cover, and the upper end cover passes through sealing ring and institute
Lower cover sealed connection is stated, the edge of the upper end cover is provided with connector installing port, and the connector is embedded at the connector
In installing port, the connector is tightly attached to the connector installing port by the sealing ring, and the water-cooled radiator includes dissipating
Thermal modules, temperature sensor, control circuit, the radiating module include water pump, coolant liquid, water-cooled block, water tank and fan, institute
It states water tank and realizes the circulation of coolant liquid, the quantity of the water-cooled block to extract coolant liquid to store coolant liquid, the water pump
It is two, respectively to be contacted with the upper end cover exterior ribs and lower cover fin.
As a further improvement of the present invention, the upper surface of the upper end cover is vertically installed with upper end cover exterior ribs, institute
The lower surface for stating upper end cover is vertically installed with upper end cover internal fins, the upper end cover exterior ribs and the upper end cover internal rib
Piece is staggered.
As a further improvement of the present invention, the lower surface of the upper end cover is provided with upper end cover annular groove, under described
The upper surface of end cap is provided with corresponding lower cover annular groove, the sealing ring be arranged in the upper end cover annular groove and
In the lower cover annular groove.
As a further improvement of the present invention, the upper surface of the lower cover is vertically installed with lower cover internal fins, institute
The lower surface for stating lower cover is provided with lower cover fin, and the lower cover internal fins are staggered with the lower cover fin,
The lower cover internal fins are parallel to the upper end cover internal fins.
As a further improvement of the present invention, four angles of the lower cover are provided with installation through-hole, the upper end cover
Four angles be provided with corresponding installation through-hole.
As a further improvement of the present invention, the lower surface of the installation through-hole of the lower cover protrudes from the lower cover
Lower surface, the lower surface of the lower cover and installation face contact, the installation that the lower surface of the lower cover passes through the lower cover
There is gap between through-hole and the mounting surface.
As a further improvement of the present invention, the outer rim of the lower cover is provided with countersunk head formula bolt hole, the upper end cover
The outer rim of lower surface be provided with corresponding blind hole.
As a further improvement of the present invention, the lower surface of the upper end cover is provided with pcb board mounting hole.
As a further improvement of the present invention, the temperature sensor is mounted on the upper end cover exterior ribs and lower cover
On fin.
As a further improvement of the present invention, the control circuit is connected with the radiating module and temperature-sensitive sticker,
The control circuit receives the temperature information of the temperature-sensitive sticker detecting and compares the temperature information with preset temperature
Compared with if the temperature that temperature-sensitive sticker is detected is higher than preset temperature, the control circuit improves output to the radiating mould
The voltage of block is to improve radiating efficiency；If the temperature that temperature-sensitive sticker is detected is lower than preset temperature, the control circuit
Output is reduced to the voltage of the radiating module to save electric energy.
The beneficial effects of the present invention are: automobile gearbox electronic controller structure of the invention is overall beautiful, heat dissipation performance
It is fabulous and have dust reduction capability.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of gearbox control of the invention.
Fig. 2 is the bottom view of gearbox control of the invention.
Fig. 3 is the schematic diagram of the lower surface of upper end cover of the invention.
Fig. 4 is the stereoscopic schematic diagram of upper end cover of the invention.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device of some aspects be described in detail in claims, the application.
It is only to be not intended to be limiting the application merely for for the purpose of describing particular embodiments in term used in this application.
Unless otherwise defined, technical term or scientific term used in this application, which are should be in fields of the present invention, has general skill
The ordinary meaning that the personage of energy is understood." first " " second " and class used in present specification and claims
As word be not offered as any sequence, quantity or importance, and be used only to distinguish different component parts.Equally, " one
It is a " or the similar word such as " one " do not indicate that quantity limits yet, but indicate that there are at least one." multiple " or " several " table
Show two and two or more.Unless otherwise noted, the similar word such as " front ", " rear portion ", " lower part " and/or " top " is only
Convenient for explanation, and it is not limited to a position or a kind of spatial orientation.The similar word such as " comprising " or "comprising" means
It appears in element or object before " comprising " or "comprising" and covers and appear in " comprising " or "comprising" presented hereinafter
Element or object and its equivalent, it is not excluded that other elements or object.The similar word such as " connection " or " connected " is simultaneously
Non-limiting and may include electrical connection in physics or mechanical connection, either direct or indirectly.?
Present specification and the "an" of singular used in the attached claims, " described " and "the" be also intended to including
Most forms, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein refers to
It and include that one or more associated any or all of project listed may combine.
Automobile gearbox electronic controller structure of the invention includes upper end cover 1, lower cover 2, connects referring to FIG. 1 to FIG. 4,
Plug-in unit 3 and water-cooled radiator, the lower cover 2 are located at the lower part of the upper end cover 1, and upper end cover 1 is close by sealing ring 10 and lower cover 2
Envelope connection, the edge of upper end cover 1 are provided with connector installing port 14, and connector 3 is embedded in the connector installing port 14, connects
Plug-in unit 3 is tightly attached to connector installing port 14 by sealing ring 10.
The upper surface of upper end cover 1 is vertically installed with upper end cover exterior ribs 4, and the lower surface of upper end cover 2 is vertically installed with
Cover internal fin 13, upper end cover exterior ribs 4 are staggered with upper end cover internal fins 13, so that heat dissipation effect is strengthened,
1 upper surface of upper end cover can be equipped with the LOGO of the product, and the lower surface of upper end cover 1 is provided with upper end cover annular groove 12, lower end
The upper surface of lid 2 is provided with corresponding lower cover annular groove 8, and sealing ring 10 is arranged in upper end cover annular groove 12 and lower end
It 8 in bezel ring, connected in star, prevents connector 3 from shaking, also avoids sealant from overflowing people's enclosure interior, cause sealant aging (in shell
Portion's temperature is very high).The upper surface of lower cover 2 is vertically installed with lower cover internal fins 5, and the lower surface of lower cover 2 is provided with down
End cap fin 9, lower cover internal fins 5 are staggered with lower cover fin 9, and lower cover internal fins 5 are parallel to the upper end
Lid internal fins 13, the back side of lower cover 2 can be set product or researches and develops the LOGO of unit.
Four angles of lower cover 2 are provided with installation through-hole 6, and it is logical that four angles of upper end cover 1 are provided with corresponding installation
Hole 6.The lower surface of the installation through-hole 6 of lower cover 2 protrudes from the lower surface of lower cover 2, the lower surface of lower cover 2 and mounting surface
Contact, the lower surface of lower cover 2, which passes through, has gap between the installation through-hole 6 and mounting surface of lower cover 2, can be more reasonably sharp
It is radiated with the flowing of outside air.The automobile gearbox electronic controller structure further includes Air Filter, the Air Filter covering
The periphery in the gap between the mounting hole 6 and the mounting surface, to prevent dust stratification in gap.The outer rim of the lower cover 2
It is provided with countersunk head formula bolt hole 7, the outer rim of the lower surface of upper end cover 1 is provided with corresponding blind hole, to make 1 top of upper end cover
There is no extra hole, appearance is more beautiful.The lower surface of upper end cover 1 is provided with pcb board mounting hole 11.
The water-cooled radiator includes radiating module, temperature sensor, control circuit.
The radiating module includes water pump, coolant liquid, water-cooled block, water tank and fan.The water tank is to store cooling
Liquid, the water pump realize that the circulation of coolant liquid, the quantity of the water-cooled block are two to extract coolant liquid, respectively to institute
It states upper end cover exterior ribs 4 and lower cover fin 9 contacts.
The temperature sensor is mounted on the upper end cover exterior ribs 4 and lower cover fin 9, to detect temperature.
The control circuit is connected with the radiating module and temperature-sensitive sticker, and the control circuit receives the temperature
The temperature information is simultaneously compared by the temperature information of sensor detecting with preset temperature, if temperature-sensitive sticker is detected to obtain
Temperature be higher than preset temperature, the control circuit improves the voltage of output to the radiating module to improve radiating efficiency；If
The temperature that temperature-sensitive sticker is detected is lower than preset temperature, and the control circuit reduces the electricity of output to the radiating module
Pressure is to save electric energy.
Using the automobile gearbox electronic controller structure of the structure, have the advantages that
1, the front and back sides of upper and lower end cap are arranged with rib, and the obverse and reverse of the upper end cover is disposed with criss-cross fin,
It is to conduct internal heat more easily by shell to further reinforce heat transfer from thermal conduction study angle；
And the fin of the same direction of cover internal arrangement is exactly the effect in order to reinforce heat convection up and down；
2, upper and lower side interior surface is arranged with the groove to round, and sealant is applied to end cap up and down along groove
Inner surface on sealant can be avoided to overflow into enclosure interior to a certain extent, cause sealant aging (enclosure interior temperature compared with
It is high) and faying face at sealant it is very few (sealing performance can have an impact over time).
3, the lowest surfaces of fixation hole are installed lower than the back side than lower cover, there are one between mounting plane and housing face
Fixed gap, such heat dissipation effect are more preferable.
4, the end face of upper end cover is provided with the mouth by high and low of a suitable connector, connector easily according to perpendicular to
The mode of controller plane is installed on upper end cover, and mouth just can by high and low in the direction for being parallel to controller plane
Connector is blocked, design is reasonable.
5, combining closely in order to further ensure upper and lower end cap in the present invention has been opened several uniform at the back side of lower end surface
The blind hole of arrangement, for installing countersunk head formula bolt, front is overall beautiful without excessive bolt hole.
6, setting water-cooled radiator can not will cause the speed changer failure because of the excessively high generation of temperature with strict temperature control
Situation, safety are high.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferred embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that, it can modify to technical solution of the present invention
Or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. a kind of automobile gearbox electronic controller structure, which is characterized in that dissipated including upper end cover, lower cover, connector, water cooling
Hot device, the lower cover are located at the lower part of the upper end cover, and the upper end cover is tightly connected by sealing ring and the lower cover, institute
The edge for stating upper end cover is provided with connector installing port, and the connector is embedded in the connector installing port, the connector
It is tightly attached to the connector installing port by the sealing ring, the water-cooled radiator includes radiating module, temperature sensor, control
Circuit processed, the radiating module include water pump, coolant liquid, water-cooled block, water tank and fan, and the water tank is to store cooling
Liquid, the water pump realize that the circulation of coolant liquid, the quantity of the water-cooled block are two to extract coolant liquid, respectively to institute
State upper end cover exterior ribs and the contact of lower cover fin.
2. automobile gearbox electronic controller structure according to claim 1, which is characterized in that the upper end cover it is upper
Surface is vertically installed with upper end cover exterior ribs, and the lower surface of the upper end cover is vertically installed with upper end cover internal fins, described
Upper end cover exterior ribs are staggered with the upper end cover internal fins.
3. automobile gearbox electronic controller structure according to claim 1, which is characterized in that the following table of the upper end cover
Face is provided with upper end cover annular groove, and the upper surface of the lower cover is provided with corresponding lower cover annular groove, described close
Seal is arranged in the upper end cover annular groove and the lower cover annular groove.
4. automobile gearbox electronic controller structure according to claim 2, which is characterized in that the upper table of the lower cover
Face is vertically installed with lower cover internal fins, and the lower surface of the lower cover is provided with lower cover fin, inside the lower cover
Fin is staggered with the lower cover fin, and the lower cover internal fins are parallel to the upper end cover internal fins.
5. automobile gearbox electronic controller structure according to claim 1, which is characterized in that four of the lower cover
Angle is provided with installation through-hole, and four angles of the upper end cover are provided with corresponding installation through-hole.
6. automobile gearbox electronic controller structure according to claim 5, which is characterized in that the installation of the lower cover
The lower surface of through-hole protrudes from the lower surface of the lower cover, the lower surface of the lower cover and installation face contact, the lower end
There is gap, automobile gearbox electronic control between the installation through-hole and the mounting surface that the lower surface of lid passes through the lower cover
Device structure further includes dust-proof Air Filter, and the Air Filter is covered on the periphery of the gap between the mounting hole and the mounting surface.
7. automobile gearbox electronic controller structure according to claim 1, which is characterized in that the outer rim of the lower cover
It is provided with countersunk head formula bolt hole, the outer rim of the lower surface of the upper end cover is provided with corresponding blind hole.
8. automobile gearbox electronic controller structure according to claim 1, which is characterized in that the following table of the upper end cover
Face is provided with pcb board mounting hole.
9. automobile gearbox electronic controller structure according to claim 1, which is characterized in that the temperature sensor peace
In the upper end cover exterior ribs and lower cover fin.
10. automobile gearbox electronic controller structure according to claim 9, which is characterized in that the control circuit with
The radiating module and temperature-sensitive sticker are connected, and the control circuit receives the temperature information of the temperature-sensitive sticker detecting simultaneously
The temperature information is compared with preset temperature, if the temperature that temperature-sensitive sticker is detected is higher than preset temperature, institute
It states control circuit and improves the voltage of output to the radiating module to improve radiating efficiency；What if temperature-sensitive sticker was detected
Temperature is lower than preset temperature, and the control circuit reduces the voltage of output to the radiating module to save electric energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910383601.8A CN110113919A (en) | 2019-05-09 | 2019-05-09 | Automobile gearbox electronic controller structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910383601.8A CN110113919A (en) | 2019-05-09 | 2019-05-09 | Automobile gearbox electronic controller structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110113919A true CN110113919A (en) | 2019-08-09 |
Family
ID=67489031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910383601.8A Pending CN110113919A (en) | 2019-05-09 | 2019-05-09 | Automobile gearbox electronic controller structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110113919A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203585297U (en) * | 2013-12-05 | 2014-05-07 | 上海中科深江电动车辆有限公司 | Electronic controller structure of automobile transmission |
| US20140174710A1 (en) * | 2012-12-25 | 2014-06-26 | Hon Hai Precision Industry Co., Ltd. | Water-cooling radiator |
| CN209930819U (en) * | 2019-05-09 | 2020-01-10 | 斯沃博达汽车电子（昆山）有限公司 | Electronic controller structure of automobile gearbox |
-
2019
- 2019-05-09 CN CN201910383601.8A patent/CN110113919A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140174710A1 (en) * | 2012-12-25 | 2014-06-26 | Hon Hai Precision Industry Co., Ltd. | Water-cooling radiator |
| CN203585297U (en) * | 2013-12-05 | 2014-05-07 | 上海中科深江电动车辆有限公司 | Electronic controller structure of automobile transmission |
| CN209930819U (en) * | 2019-05-09 | 2020-01-10 | 斯沃博达汽车电子（昆山）有限公司 | Electronic controller structure of automobile gearbox |
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