CN208908233U - A kind of startup power supply and new-energy automobile of new-energy automobile - Google Patents
A kind of startup power supply and new-energy automobile of new-energy automobile Download PDFInfo
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- CN208908233U CN208908233U CN201821519954.3U CN201821519954U CN208908233U CN 208908233 U CN208908233 U CN 208908233U CN 201821519954 U CN201821519954 U CN 201821519954U CN 208908233 U CN208908233 U CN 208908233U
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model embodiment discloses the startup power supply and new-energy automobile of a kind of new-energy automobile.It include: the first battery core；Second battery core；Third battery core；4th battery core；5th battery core；6th battery core；7th battery core；8th battery core；9th battery core；Wherein the first battery core, the second battery core, third battery core, the 4th battery core, the 5th battery core, the 6th battery core, the 7th battery core, the 8th battery core and the 9th battery core are successively arranged in a straight line in the horizontal direction, first battery core, the second battery core and the parallel connection of third battery core are to constitute first group, 4th battery core, the 5th battery core and the 6th battery core parallel connection are to constitute second group, and the 7th battery core, the 8th battery core and the 9th battery core parallel connection are to constitute third group；First group, second group and the series connection of third group；Wherein startup power supply further include: the first cupro-nickel composite construction is arranged in first group of upper end and the lower end of third group；Second cupro-nickel composite construction is arranged in the upper end of first group of lower end and second group of lower end and second group of upper end and third group.
Description
Technical field
The utility model relates to automobile technical field, startup power supply more particularly, to a kind of new-energy automobile and new
Energy automobile.
Background technique
Energy shortage, oil crisis and environmental pollution grow in intensity, and bring tremendous influence, direct relation to people's lives
To the sustainable development of national economy and society.Countries in the world are all in active development new energy technology.Electric car is as a kind of
Reduce the new-energy automobile of consumption of petroleum, low pollution, low noise, it is considered to be solve the important way of energy crisis and environmental degradation
Diameter.Hybrid vehicle combines the advantage of pure electric automobile and traditional combustion engine automobile, is meeting vehicle dynamic quality requirement
Under the premise of being required with continual mileage, effectively improve fuel economy, reduce discharge, it is considered to be current energy conservation with subtract
One of active path of row.
Automobile starting power supply (car jump starter), is also car emergency startup power supply, is collection power supply and charging function
It can can meet an urgent need when automobile flameout, which casts anchor, to start automobile and automobile is helped to open in the portable startup power supply of one
It is dynamic, while can also charge whenever and wherever possible to digital equipments such as mobile phone, tablet computers.Traditional plumbic acid stores automobile starting power supply,
Volume is big, and quality weight uses inconvenience.Occurs the startup power supply by lithium cell as charge storage unit at present, relative to hand
The capacity of automobile starting power supply is big for machine mobile power source, convenient to use.
However, the battery core of the startup power supply of new-energy automobile is commonly stacking arrangement mode at present, to the height of arrangement space
It spends more demanding.
Utility model content
The purpose of this utility model is to propose the startup power supply and new-energy automobile of a kind of new-energy automobile, to save sky
Between height.
The technical solution of the utility model embodiment is as follows:
A kind of startup power supply of new-energy automobile, comprising:
First battery core；Second battery core；Third battery core；4th battery core；5th battery core；6th battery core；7th battery core；8th electricity
Core；9th battery core；
Wherein first battery core, the second battery core, third battery core, the 4th battery core, the 5th battery core, the 6th battery core, the 7th electricity
Core, the 8th battery core and the 9th battery core are successively arranged in a straight line in the horizontal direction, first battery core, the second battery core and third battery core
Parallel connection is to constitute first group, and the 4th battery core, the 5th battery core and the 6th battery core parallel connection are to constitute second group, the 7th electricity
Core, the 8th battery core and the 9th battery core parallel connection are to constitute third group；Described first group, second group and the series connection of third group；
The wherein startup power supply further include:
First cupro-nickel composite construction is arranged in the lower end of first group of the upper end and the third group；
Second cupro-nickel composite construction is arranged in first group of the lower end and second group of lower end and second group described
The upper end of upper end and the third group.
In one embodiment, the first cupro-nickel composite construction includes:
Copper bar has copper bar ontology and adapts to the connecting pin connecting with battery management system；
Nickel strap has first horizontal portion, vertical component effect and the second horizontal part, and the vertical component effect is in the first horizontal portion and institute
It states between the second horizontal part, the first horizontal portion is bonded with the copper bar ontology, and second horizontal part is from the vertical component effect
Bottom end extend laterally.
In one embodiment, the number of the vertical component effect is 3.
In one embodiment, the second cupro-nickel composite construction includes:
Copper bar has copper bar ontology；
Nickel strap has first horizontal portion, vertical component effect and the second horizontal part, and the vertical component effect is in the first horizontal portion and institute
It states between the second horizontal part, the first horizontal portion is bonded with the copper bar ontology, and second horizontal part is from the vertical component effect
Bottom end extend laterally.
In one embodiment, the number of the vertical component effect is 6.
In one embodiment, first battery core, the second battery core, third battery core, the 4th battery core, the 5th battery core,
Six battery cores, the 7th battery core, the 8th battery core and the 9th battery core voltage be all 3.65 volts.
In one embodiment, the voltage of the startup power supply is 12 volts.
In one embodiment, the anode of first battery core, the second battery core and third battery core is located at described first group
Upper end；The anode of 4th battery core, the 5th battery core and the 6th battery core is located at second group of the lower end；7th electricity
The anode of core, the 8th battery core and the 9th battery core is located at the upper end of the third group.
A kind of new-energy automobile, the startup power supply including described in any item new-energy automobiles as above.
In one embodiment, the new-energy automobile is pure electric automobile, hybrid vehicle or fuel cell vapour
Vehicle.
It can be seen from the above technical proposal that in the utility model embodiment, comprising: the first battery core；Second battery core；
Third battery core；4th battery core；5th battery core；6th battery core；7th battery core；8th battery core；9th battery core；Wherein the first battery core,
Second battery core, third battery core, the 4th battery core, the 5th battery core, the 6th battery core, the 7th battery core, the 8th battery core and the 9th battery core are in water
Square successively arranged in a straight line upwards, the first battery core, the second battery core and the parallel connection of third battery core are to constitute first group, the 4th battery core, the
Five battery cores and the 6th battery core parallel connection are to constitute second group, and the 7th battery core, the 8th battery core and the 9th battery core parallel connection are to constitute third group；
First group, second group and the series connection of third group；Wherein startup power supply further include: the first cupro-nickel composite construction is arranged in first group
Upper end and the lower end of third group；Second cupro-nickel composite construction is arranged in first group of lower end and second group of lower end and the
Two groups of upper end and the upper end of third group.It can be seen that the utility model proposes a kind of opening with core strueture arranged in a straight line
Dynamic power supply, startup power supply have no rigors to arrangement mounting height, are particularly suitable for being arranged in the arrangement space of limited height.
Moreover, the first cupro-nickel composite construction and the second cupro-nickel composite construction arranged at the positive and negative anodes of each battery core, both
Be conducive to electric current conduction, be also act against deformation caused by vibration.
Detailed description of the invention
The following drawings only does schematic illustration and explanation to the utility model, does not limit the scope of the utility model.
Fig. 1 is the demonstrative structure figure according to the startup power supply of the utility model new-energy automobile.
Fig. 2 is according to the exemplary main view of the startup power supply of the utility model new-energy automobile.
Fig. 3 is according to the exemplary left view of the startup power supply of the utility model new-energy automobile.
Fig. 4 is according to the exemplary top view of the startup power supply of the utility model new-energy automobile.
Fig. 5 is according to the demonstrative structure figure of the cupro-nickel composite construction of the startup power supply of the utility model new-energy automobile.
Specific embodiment
In order to which the technical features, objects and effects to utility model are more clearly understood, Detailed description of the invention sheet is now compareed
The specific embodiment of utility model, identical label indicates identical part in the various figures.
It is succinct and intuitive in order to what is described, hereafter by describing several representative embodiments come to the utility model
Scheme be illustrated.A large amount of details is only used for helping to understand the embodiment of the utility model in embodiment.However, it will be apparent that
The technical solution of the utility model can be not limited to these details when realizing.It is practical new in order to avoid unnecessarily having obscured this
The scheme of type, some embodiments are not described meticulously, but only give frame.Hereinafter, " comprising " refers to " packet
Include but be not limited to ", " according to ... " refer to " according at least to ..., but be not limited to according only to ... ".Since the language of Chinese is practised
It is used, when being hereinafter not specifically stated the quantity of an ingredient, it is meant that the ingredient is either one or more, or can
It is interpreted as at least one.
It is found by the applicant that: the startup power supply of the new-energy automobile of the prior art is commonly battery core stacking arrangement mode, battery core
There are rigors with structure stacked on top of one another, therefore to the height of arrangement space.Applicant considers to install under many situations empty
Between be difficult to meet requirement for height, propose a kind of startup power supply with core strueture arranged in a straight line.
Fig. 1 is the demonstrative structure figure according to the startup power supply of the utility model new-energy automobile.Fig. 2 is practical new according to this
The exemplary main view of the startup power supply of type new-energy automobile.Fig. 3 is according to the startup power supply of the utility model new-energy automobile
Exemplary left view.Fig. 4 is according to the exemplary top view of the startup power supply of the utility model new-energy automobile.
As Figure 1-Figure 4, startup power supply includes:
First battery core 11；Second battery core 12；Third battery core 13；4th battery core 14；5th battery core 15；6th battery core 16；The
Seven battery cores 17；8th battery core 18；9th battery core 19；
Wherein the first battery core 11, the second battery core 12, third battery core 13, the 4th battery core 14, the 5th battery core 15, the 6th battery core
16, the 7th battery core 17, the 8th battery core 18 and the 9th battery core 19 are successively arranged in a straight line in the horizontal direction.Moreover, the first battery core 11,
Second battery core 12 and 13 parallel connection of third battery core are to constitute first group；4th battery core 14, the 5th battery core 15 and the 6th battery core 16 are in parallel
To constitute second group；7th battery core 17, the 8th battery core 18 and 19 parallel connection of the 9th battery core are to constitute third group；First group, second group
It connects with third group；
Wherein startup power supply further include:
First cupro-nickel composite construction 22 is arranged in first group of upper end and the lower end of third group；
Second cupro-nickel composite construction 23, be arranged in first group lower end and second group of lower end and second group of upper end with
The upper end of third group.
As it can be seen that it is different from the stacking arrangement mode of the prior art, the first battery core 11, the second battery core 12, third battery core 13, the
Four battery cores 14, the 5th battery core 15, the 6th battery core 16, the 7th battery core 17, the 8th battery core 18 and the 9th battery core 19 are in the horizontal direction
It is successively arranged in a straight line, therefore the startup power supply of the utility model is particularly suitable for being arranged in height to rigors are highly had no
Limited arrangement space.
Moreover, the first battery core 11, the second battery core 12, third battery core 13, the 4th battery core 14, the 5th battery core 15, the 6th battery core
16, the 7th battery core 17, the 8th battery core 18 and the 9th battery core 19 have the connection relationship of three and three strings, wherein between three battery cores simultaneously
It is unified into one group, is connected between then organizing again.
Preferably, the first battery core 11, the second battery core 12, third battery core 13, the 4th battery core 14, the 15, the 6th electricity of the 5th battery core
Core 16, the 7th battery core 17, the 8th battery core 18 and the 9th battery core 19 voltage be all 3.65 volts.Therefore, 11, second electricity of battery core
Core 12, third battery core 13, the 4th battery core 14, the 5th battery core 15, the 6th battery core 16, the 7th battery core 17, the 8th battery core 18 and the 9th
The total voltage for the startup power supply that battery core 19 collectively forms is 12 volts.
In addition, the first cupro-nickel composite construction 22 and the second cupro-nickel composite construction arranged at the positive and negative anodes of each battery core
23, electric current conduction is not only improved, deformation caused by vibration is also act against.
Specifically, being disposed with the first cupro-nickel composite construction 22 first group of upper end.Moreover, same in the lower end of third group
It is disposed with the first cupro-nickel composite construction 22.In first group of lower end and second group of lower end, the second cupro-nickel composite junction there also is provided
Structure 23.Moreover, being equally disposed with the second cupro-nickel composite construction 23 in second group of upper end and the upper end of third group.
First cupro-nickel composite construction 22 is arranged in the first end of the first battery core 11, the second battery core 12 and third battery core 13, and
And it is disposed with same first cupro-nickel composite construction 22 in the second end of the 7th battery core 17, the 8th battery core 18 and the 9th battery core 19,
Wherein first end and second end are the opposite end of startup power supply.
Moreover, the second cupro-nickel composite construction 23 is arranged in the 4th battery core 14, the 5th battery core 15, the 16, the 7th electricity of the 6th battery core
The first end of core 17, the 8th battery core 18 and the 9th battery core 19, and in the first battery core 11, the second battery core 12, third battery core 13,
The second end of four battery cores 14, the 5th battery core 15 and the 6th battery core 16 is disposed with same second cupro-nickel composite construction 23.Preferably,
The anode of first battery core 11, the anode of the second battery core 12, the anode of third battery core 13, the cathode of the 4th battery core 14, the 5th battery core
15 cathode, the cathode of the 6th battery core 16, the 7th battery core 17 anode, the anode of the 8th battery core 18 and the anode of the 9th battery core 19
It is all located at first end；The cathode of first battery core 11, the cathode of the second battery core 12, the cathode of third battery core 13, the 4th battery core 14
Anode, the cathode of the anode of the 5th battery core 15, the anode of the 6th battery core 16, the cathode of the 7th battery core 17, the 8th battery core 18 and
The cathode of nine battery cores 19 is all located at second end.Corresponding to shown in Fig. 2, first end is the upper end of startup power supply, and second end is starting
The lower end of power supply.
Preferably, the first battery core 11, the second battery core 12, third battery core 13, the 4th battery core 14, the 15, the 6th electricity of the 5th battery core
Core 16, the 7th battery core 17, the 8th battery core 18 and the 9th battery core 19 are lithium-ion electric core.
Fig. 5 is according to the demonstrative structure figure of the cupro-nickel composite construction of the startup power supply of the utility model new-energy automobile.Knot
Close Fig. 1-Fig. 4, it is seen that:
The the first cupro-nickel composite construction 22 for being arranged in first group of upper end includes:
Copper bar has copper bar ontology 30 and adapts to the connecting pin 221 connecting with battery management system；
Nickel strap has first horizontal portion 31, vertical component effect 32 and the second horizontal part 33, and vertical component effect 32 is in 31 He of first horizontal portion
Between second horizontal part 33, first horizontal portion 31 is bonded with copper bar ontology 30, bottom end side of second horizontal part 33 from vertical component effect 32
To extension.
As it can be seen that corresponding to three battery cores (the first battery core 11, the second battery core 12 and third battery core 13), the number of vertical component effect 32
It is 3, and corresponding second horizontal part 33 is also three.It is every in first battery core 11, the second battery core 12 and third battery core 13
One battery core both corresponds to a vertical component effect 32 and second horizontal part 33.Second horizontal part 33 by welding etc. modes with
Corresponding battery core fits.
Similarly, it is arranged in the structure having the same of the first cupro-nickel composite construction 22 of the lower end of third group.Specifically, cloth
The the first cupro-nickel composite construction 22 set in the lower end of third group includes: copper bar, has copper bar ontology 30 and adapts to and cell tube
The connecting pin 231 of reason system connection；Nickel strap has first horizontal portion, vertical component effect and the second horizontal part, and vertical component effect is in first level
Between portion and the second horizontal part, first horizontal portion is bonded with copper bar ontology, and the second horizontal part is extended laterally from the bottom end of vertical component effect.
Moreover, the second cupro-nickel composite construction 23 for being arranged in first group of lower end and second group of lower end includes:
Copper bar has copper bar ontology 40；
Nickel strap has first horizontal portion 41, vertical component effect 42 and the second horizontal part 43, and vertical component effect 42 is in 41 He of first horizontal portion
Between second horizontal part 43, first horizontal portion 41 is bonded with copper bar ontology 40, bottom end side of second horizontal part 43 from vertical component effect 42
To extension.
As it can be seen that corresponding to six battery cores (the first battery core 11, the second battery core 12, third battery core 13, the 4th battery cores the 14, the 5th
Battery core 15 and the 6th battery core 16), the number of vertical component effect 42 is 6, and corresponding second horizontal part 43 is also 6.First electricity
Each of core 11, the second battery core 12, third battery core 13, the 4th battery core 14, the 5th battery core 15 and the 6th battery core 16 battery core, all
Corresponding to a vertical component effect 42 and second horizontal part 43.Second horizontal part 43 passes through the modes such as welding and corresponding electricity
Core fits.
Similarly, the second cupro-nickel composite construction 23 for being arranged in second group of upper end and the upper end of third group is having the same
Structure.Specifically, the second cupro-nickel composite construction 23 for being arranged in second group of upper end and the upper end of third group includes: copper bar, tool
There is copper bar ontology；Nickel strap has first horizontal portion, vertical component effect and the second horizontal part, and vertical component effect is in first horizontal portion and the second water
Between flat portion, first horizontal portion is bonded with copper bar ontology, and the bottom end of the second horizontal part from vertical component effect 42 extends laterally.
The startup power supply of the utility model can be applied in various types of new-energy automobiles, such as pure electric vehicle vapour
Vehicle, hybrid vehicle or fuel cell car, etc..
In conclusion in the utility model embodiment, comprising: the first battery core；Second battery core；Third battery core；4th
Battery core；5th battery core；6th battery core；7th battery core；8th battery core；9th battery core；Wherein the first battery core, the second battery core, third
Battery core, the 4th battery core, the 5th battery core, the 6th battery core, the 7th battery core, the 8th battery core and the 9th battery core are successively straight in the horizontal direction
Line arrangement, the first battery core, the second battery core and the parallel connection of third battery core are to constitute first group, the 4th battery core, the 5th battery core and the 6th electricity
Core parallel connection is to constitute second group, and the 7th battery core, the 8th battery core and the 9th battery core parallel connection are to constitute third group；First group, second group
It connects with third group；Wherein startup power supply further include: the first cupro-nickel composite construction is arranged in first group of upper end and third group
Lower end；Second cupro-nickel composite construction is arranged in first group of lower end and second group of lower end and second group of upper end and the
Three groups of upper end.It can be seen that the utility model proposes a kind of startup power supply with core strueture arranged in a straight line, startup power supply
To rigors are highly had no, it is particularly suitable for being arranged in the arrangement space of limited height.
Moreover, the first cupro-nickel composite construction and the second cupro-nickel composite construction arranged at the positive and negative anodes of each battery core, both
Be conducive to electric current conduction, be also act against deformation caused by vibration.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body explanation, and not to limit the protection scope of the utility model, it is all without departing from made by the utility model skill spirit etc.
Effect embodiment or change should be included within the scope of protection of this utility model such as the combination, segmentation or repetition of feature.
Claims (10)
1. a kind of startup power supply of new-energy automobile characterized by comprising
First battery core；Second battery core；Third battery core；4th battery core；5th battery core；6th battery core；7th battery core；8th battery core；
9th battery core；
Wherein first battery core, the second battery core, third battery core, the 4th battery core, the 5th battery core, the 6th battery core, the 7th battery core,
Eight battery cores and the 9th battery core are successively arranged in a straight line in the horizontal direction, and first battery core, the second battery core and third battery core are in parallel
To constitute first group, the 4th battery core, the 5th battery core and the 6th battery core parallel connection are to constitute second group, the 7th battery core,
Eight battery cores and the 9th battery core parallel connection are to constitute third group；Described first group, second group and the series connection of third group；
The wherein startup power supply further include:
First cupro-nickel composite construction is arranged in the lower end of first group of the upper end and the third group；
Second cupro-nickel composite construction is arranged in the lower end and second group of the upper end of first group of the lower end Yu second group
With the upper end of the third group.
2. the startup power supply of new-energy automobile according to claim 1, which is characterized in that the first cupro-nickel composite construction
Include:
Copper bar has copper bar ontology and adapts to the connecting pin connecting with battery management system；
Nickel strap has first horizontal portion, vertical component effect and the second horizontal part, and the vertical component effect is in the first horizontal portion and described the
Between two horizontal parts, the first horizontal portion is bonded with the copper bar ontology, and second horizontal part is from the bottom of the vertical component effect
End extends laterally.
3. the startup power supply of new-energy automobile according to claim 2, which is characterized in that the number of the vertical component effect is 3
It is a.
4. the startup power supply of new-energy automobile according to claim 1, which is characterized in that the second cupro-nickel composite construction
Include:
Copper bar has copper bar ontology；
Nickel strap has first horizontal portion, vertical component effect and the second horizontal part, and the vertical component effect is in the first horizontal portion and described the
Between two horizontal parts, the first horizontal portion is bonded with the copper bar ontology, and second horizontal part is from the bottom of the vertical component effect
End extends laterally.
5. the startup power supply of new-energy automobile according to claim 4, which is characterized in that the number of the vertical component effect is 6
It is a.
6. the startup power supply of new-energy automobile according to claim 1, which is characterized in that first battery core, the second electricity
Core, third battery core, the 4th battery core, the 5th battery core, the 6th battery core, the 7th battery core, the 8th battery core and the 9th battery core voltage be all
3.65 volt.
7. the startup power supply of new-energy automobile according to claim 1, which is characterized in that the voltage of the startup power supply is
12 volts.
8. the startup power supply of new-energy automobile according to claim 1, which is characterized in that first battery core, the second electricity
Core and the anode of third battery core are located at first group of the upper end；The anode of 4th battery core, the 5th battery core and the 6th battery core
Positioned at second group of the lower end；The anode of 7th battery core, the 8th battery core and the 9th battery core is located at the upper of the third group
End.
9. a kind of new-energy automobile, which is characterized in that including opening for new-energy automobile such as of any of claims 1-8
Dynamic power supply.
10. new-energy automobile according to claim 9, which is characterized in that the new-energy automobile is pure electric automobile, mixes
Close power vehicle or fuel cell car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821519954.3U CN208908233U (en) | 2018-09-18 | 2018-09-18 | A kind of startup power supply and new-energy automobile of new-energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821519954.3U CN208908233U (en) | 2018-09-18 | 2018-09-18 | A kind of startup power supply and new-energy automobile of new-energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208908233U true CN208908233U (en) | 2019-05-28 |
Family
ID=66613611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821519954.3U Active CN208908233U (en) | 2018-09-18 | 2018-09-18 | A kind of startup power supply and new-energy automobile of new-energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208908233U (en) |
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2018
- 2018-09-18 CN CN201821519954.3U patent/CN208908233U/en active Active
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