CN107425157A - A kind of battery case - Google Patents
A kind of battery case Download PDFInfo
- Publication number
- CN107425157A CN107425157A CN201610351420.3A CN201610351420A CN107425157A CN 107425157 A CN107425157 A CN 107425157A CN 201610351420 A CN201610351420 A CN 201610351420A CN 107425157 A CN107425157 A CN 107425157A
- Authority
- CN
- China
- Prior art keywords
- lower box
- battery case
- box
- voltage connector
- upper box
- 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
- 230000002787 reinforcement Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 235000021472 generally recognized as safe Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention relates to a kind of battery case, including upper box and lower box, the upper box and the lower box are fastened by fastening bolt, the top box body side surface is provided with explosion-proof valve, Manual maintenance switch is provided with the top of the upper box, middle part and lower box front side middle part are respectively equipped with upper box leading section and lower box leading section on front side of the upper box, the lower box leading section is provided with the first high-voltage connector and the second high-voltage connector, first high-voltage connector and the common high voltage negative of second high-voltage connector.Beneficial effects of the present invention are：The battery case overall construction intensity is high, can Fast Installation, dustproof and waterproof grade is high, securely and reliably, reduces design and production cost.
Description
Technical field
The invention belongs to automobile manufacturing field, and in particular to a kind of battery case.
Background technology
As country requires the limitation of conventional fuel oil motor vehicle emission and oil consumption more and more higher, electric automobile will be into
One of Main Trends of The Development for future automobile field.On electric automobile, power accumulator is as vehicle
Main power source, its cost account for the half of integral vehicle cost.It is right in the high-volume extension process of electric automobile
Automobile user acceptance influence not only with power accumulator cost, safety, it is durable have in itself outside the Pass, and also
It is relevant with the design of battery case.
At present, both at home and abroad designed power accumulator casing mainly for meeting vehicle performance and Generally Recognized as safe
Requirement, but the protection of cost, IP grades, unexpected safety and Protection, installation safeguard convenience be difficult to do
To taking into account, these factors such as can not be efficiently solved during battery case is designed, this will seriously limit battery
Use of the case on electric automobile.
The content of the invention
The present invention proposes a kind of battery case, and battery case bulk strength is high, and durable in use；Reduce power electric power storage
Pond case cost；Battery case can quick assembling；The dustproof and waterproof grade of power accumulator case is improved simultaneously；Ensure
Battery case inside and outside air pressure is consistent；Ensure when abnormal (collided or exploded) situation occurs for battery system,
Effectively security risk can be reduced to minimum；Ensure that battery case is not influenceed by rubble impact harm；Ensure battery case
Possesses good potential balance function.
The technical proposal of the invention is realized in this way：
A kind of battery case, including upper box and lower box, the upper box and the lower box are by fastening spiral shell
Bolt fastens, and the top box body side surface is provided with explosion-proof valve, and Manual maintenance switch, institute are provided with the top of the upper box
State middle part and lower box front side middle part on front side of upper box and be respectively equipped with upper box leading section and lower box front end
Portion, the lower box leading section are provided with the first high-voltage connector and the second high-voltage connector, first high pressure
Connector and the common high voltage negative of second high-voltage connector.
Preferably, first high-voltage connector be 1PIN high-voltage connector, second high-voltage connector
For 2PIN high-voltage connector.
Further, the lower box is respectively arranged on the left side and the right side left side brackets and right side support；The nowel
Body front and rear sides are respectively equipped with front-end bracket and rear end support；The lower box inner bottom surface is provided with internal module
Fixed support.
Further, the left side brackets include the first left side brackets, the second left side brackets and the 3rd left side branch
Frame, the 3rd left side brackets are welded on the lower box, and second left side brackets are welded to described
In three left side brackets and the lower box, first left side brackets are welded in second left side brackets.
Further, the equipotential bolt of a coating removal is fixed between the upper box and the lower box；
The right side support of the lower box is grounded provided with battery case.
Further, the left side brackets of the lower box are provided with master positioning hole, the right side branch of the lower box
Frame is provided with auxiliary positioning hole.
Further, the upper box edge and the lower box edge are equipped with flange；It is described
Sealing gasket is provided among the fastening bolt mounting surface of upper box surrounding and the lower box surrounding.
Further, the side of the lower box is provided with air-leakage test hole.
Further, the top of the upper box is provided with upper box reinforcement；The bottom of the lower box is provided with
Lower box reinforcement.
Further, the gusset of the lower box and bottom scribble one layer of Protective armor.
Beneficial effects of the present invention are：
Effectively improve the efficiency of assembling and safe class of battery case.Battery case 1PIN high-voltage connectors and 2PIN
The common high voltage negative mode of high-voltage connector, the cost of whole battery case can be effectively reduced.Battery case is using anti-
Quick-fried valve, vehicle ground connection, the design of Protective armor comprehensive function, the safe class of battery case can be improved.Battery case
The design of welding layer by layer of support, is effectively ensured the intensity of battery case, the longevity is used so as to improve the durable of battery case
Life.The main and auxiliary positioning hole design of battery case, is easy to battery case quick assembling, reduces installation work-hour.Battery
Case upper box and the encryption packing design of lower box bending flange, the dustproof and waterproof grade of battery case can be improved.This
Design designs in terms of cost and technical standpoint suitable for power accumulator case used for electric vehicle.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to implementing
The required accompanying drawing used is briefly described in example or description of the prior art, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the battery case described in the embodiment of the present invention；
Fig. 2 is the structural representation of the lower box described in the embodiment of the present invention；
Fig. 3 is the bottom plan view of the lower box described in the embodiment of the present invention；
Fig. 4 is the partial enlarged drawing on the left of the lower box described in the embodiment of the present invention；
Fig. 5 is the fastening bolt installation of the upper box surrounding and the lower box surrounding described in the embodiment of the present invention
The partial enlarged drawing in face.
In figure：
1st, upper box；2nd, lower box；3rd, fastening bolt；4th, explosion-proof valve；5th, Manual maintenance switch；6、
Upper box leading section；7th, lower box leading section；8th, the first high-voltage connector；9th, the second high-voltage connector；
10th, left side brackets；11st, right side support；12nd, front-end bracket；13rd, rear end support；14th, internal module
Fixed support；15th, the first left side brackets；16th, the second left side brackets；17th, the 3rd left side brackets；18、
Battery case is grounded；19th, master positioning hole；20th, auxiliary positioning hole；21st, flange；22nd, sealing gasket；23、
Air-leakage test hole；24th, upper box reinforcement；25th, lower box reinforcement；26th, Protective armor.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.
As Figure 1-5, the battery case described in the embodiment of the present invention, including upper box 1 and lower box 2, institute
State upper box 1 and the lower box 2 is fastened by fastening bolt 3, the side of upper box 1 is provided with explosion-proof
Valve 4, the top of the upper box 1 are provided with Manual maintenance switch 5, the front side of upper box 1 middle part with it is described under
Upper box leading section 6 and lower box leading section 7, the lower box leading section 7 are respectively equipped with the middle part of cabinet front
Provided with the first high-voltage connector 8 and the second high-voltage connector 9, first high-voltage connector 8 and described second
The common high voltage negative of high-voltage connector 9.
In this example, first high-voltage connector 8 is 1PIN high-voltage connector, and second high pressure patches
Part 9 is 2PIN high-voltage connector.
In this example, the lower box 2 is respectively arranged on the left side and the right side left side brackets 10 and right side support 11；It is described
The front and rear sides of lower box 2 are respectively equipped with front-end bracket 12 and rear end support 13；The inner bottom surface of lower box 2
Provided with internal module fixed support 14.
In this example, the left side brackets 10 include the first left side brackets 15, the second left side brackets 16 and the 3rd
Left side brackets 17, the 3rd left side brackets 17 are welded on the lower box 2, second left side brackets
16 are welded on the 3rd left side brackets 17 and the lower box 2, and first left side brackets 15 are welded
Onto second left side brackets 16.
In this example, the equipotential bolt of a coating removal is fixed between the upper box 1 and the lower box 2；
The right side support 11 of the lower box 2 is provided with battery case ground wire 18.
In this example, the left side brackets 10 of the lower box 2 are provided with master positioning hole 19, the lower box 2
Right side support 11 is provided with auxiliary positioning hole 20.
In this example, the edge of upper box 1 and the edge of the lower box 2 are equipped with flange 21；
Sealing gasket 22 is provided among the fastening bolt mounting surface of the surrounding of upper box 1 and the surrounding of the lower box 2.
In this example, the side of the lower box 2 is provided with air-leakage test hole 23.
In this example, the top of the upper box 1 is provided with upper box reinforcement 24；The bottom of the lower box 2
Provided with lower box reinforcement 25.
In this example, the gusset of the lower box 2 and bottom scribble one layer of Protective armor 26.
There are 1 2PIN high-voltage connector and 1 1PIN high-voltage connector, 2PIN high-voltage connectings in lower box front end
Plug-in unit is to provide power supply to two high voltage electric devices on vehicle respectively with 1PIN high-voltage connectors, and using altogether
High voltage negative designs, and the quantity of connector is reduced, so as to reduce cost.Battery case upper box upper surface is set
In respect of the reinforcement of groined type, and run through upper surface, the intensity of battery case upper box can be strengthened.On battery case
Casing upper surface is equipped with Manual maintenance switch, improves the security of repair demolition battery case.Work as battery case
When failure inside be present, maintenance work personnel can disconnect whole high tension loop by disconnecting Manual maintenance switch,
Ensure the safety of maintenance personal；Manual maintenance switch is dual locking structure using buckle-type, can be prevented
Only human pilot or maintenance personal's maloperation.Battery case upper box side is designed with an explosion-proof valve, positive reason
Battery case inside and outside air pressure uniformity can be ensured under condition, prevent Battery case inside and outside from having draught head and producing change
Type；In abnormal cases, explosion time occurs as Battery case is collided, a large amount of gases in Battery case
It can effectively be discharged from this mouth, prevent that Battery case from being blown, reduce unexpected security risk.Battery case lower box
Air-leakage test hole is designed with, air-tightness during for detecting offline after the assembling of whole Battery case, so as to protect
Demonstrate,prove dustproof and waterproof grade when Battery case meets design.
Battery case lower box gusset left side brackets are designed with 1 small circular master positioning hole, battery case nowel side
Enclosing right side support Design has 1 auxiliary positioning hole of elongated hole, and assembly work can first pre-fix battery case lower box gusset
Left side brackets small circular master positioning hole, then the auxiliary positioning hole of support elongated hole on the right side of battery case lower box gusset is pre-fixed,
Then the fixing hole of pretension battery case lower box front-end bracket and battery case lower box rear end support again, so as to protect
The fixed support of card vehicle battery case all fastens fixing bolt, is not in that fastening deviates, improves assembling effect
Rate.Battery case upper box is fixed with the equipotential bolt of a coating removal with battery case lower box, and electricity is effectively ensured
Pond case potential balance is good, then support Design has battery case ground wire on the right side of battery case lower box gusset, with
Vehicle support is attached, so as to ensure that it is functional that whole battery case and vehicle are grounded.Battery case lower box
The reinforcement that bottom punching has some uneven and linked together, it is effective to ensure the strong of battery case lower box
Degree.Battery case lower box bottom and gusset are all coated with one layer of Protective armor, and Battery case can be prevented by rubble
Impact and it is breakdown, and then improve battery case safe class.
Battery case upper box is turned over lower box restraint location using battery case upper box flange with battery case lower box
Side is designed using flange, is sandwiched between one layer of sealing gasket, sealing gasket bolt hole is pressed in battery case lower box flange
On riveting nut, battery case upper box flange and sealing gasket, battery case lower box flange, battery case lower box
Flange riveting nut is compacted after coupling, then fixed with battery case upper box and lower box fastening bolt, so as to protect
Demonstrate,prove battery case dustproof and waterproof grade.
Left side brackets include the first left side brackets, the second left side brackets and the 3rd left side brackets, and the 3rd left side is propped up
Frame is welded on lower box, and the second left side brackets are welded on the 3rd left side brackets and lower box, the first left side
Support is welded in the second left side brackets, and module fixed support is welded to battery case lower box again inside battery case
On, so that battery case lower box gusset left side brackets are fixed with module inside battery case lower box, battery case
Support forms an entirety.When battery case is in vibrated and impact, the power suffered by battery case is by battery case
Lower box front-end bracket, battery case lower box rear end support, battery case lower box gusset left side brackets, battery
Support is delivered to inside battery case on module fixed support on the right side of case lower box gusset, whole so as to strengthen battery case
Body structural strength, battery case uniform force is effectively ensured.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in this hair
Within bright spirit and principle, any modification, equivalent substitution and improvements made etc., this hair should be included in
Within bright protection domain.
Claims (10)
- A kind of 1. battery case, it is characterised in that：Including upper box and lower box, the upper box and it is described under Casing is fastened by fastening bolt, and the top box body side surface is provided with explosion-proof valve, and hand is provided with the top of the upper box Dynamic service switch, upper box front side middle part and lower box front side middle part are respectively equipped with upper box front end Portion and lower box leading section, the lower box leading section are provided with the first high-voltage connector and the second high-voltage connector, First high-voltage connector and the common high voltage negative of second high-voltage connector.
- 2. battery case according to claim 1, it is characterised in that：First high-voltage connector is 1PIN High-voltage connector, second high-voltage connector be 2PIN high-voltage connector.
- 3. battery case according to claim 1, it is characterised in that：At left and right sides of the lower box respectively Provided with left side brackets and right side support；The lower box front and rear sides are respectively equipped with front-end bracket and rear end support； The lower box inner bottom surface is provided with internal module fixed support.
- 4. battery case according to claim 3, it is characterised in that：It is left that the left side brackets include first Side stand, the second left side brackets and the 3rd left side brackets, the 3rd left side brackets are welded to the lower box On, second left side brackets are welded on the 3rd left side brackets and the lower box, and described first is left Side stand is welded in second left side brackets.
- 5. battery case according to claim 3, it is characterised in that：The upper box and the lower box Between be fixed with the equipotential bolt of a coating removal；The right side support of the lower box is grounded provided with battery case Line.
- 6. battery case according to claim 3, it is characterised in that：In the left side brackets of the lower box Provided with master positioning hole, the right side support of the lower box is provided with auxiliary positioning hole.
- 7. battery case according to claim 1, it is characterised in that：The upper box edge and institute State lower box edge and be equipped with flange；The fastening bolt of the upper box surrounding and the lower box surrounding Sealing gasket is provided among mounting surface.
- 8. battery case according to claim 1, it is characterised in that：The side of the lower box is provided with gas Close property detection hole.
- 9. battery case according to claim 1, it is characterised in that：The top of the upper box is provided with upper Casing reinforcement；The bottom of the lower box is provided with lower box reinforcement.
- 10. according to the battery case described in claim any one of 1-9, it is characterised in that：The side of the lower box Enclose and scribble one layer of Protective armor with bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610351420.3A CN107425157B (en) | 2016-05-24 | 2016-05-24 | Battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610351420.3A CN107425157B (en) | 2016-05-24 | 2016-05-24 | Battery box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107425157A true CN107425157A (en) | 2017-12-01 |
| CN107425157B CN107425157B (en) | 2023-07-25 |
Family
ID=60422849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610351420.3A Active CN107425157B (en) | 2016-05-24 | 2016-05-24 | Battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107425157B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767157A (en) * | 2018-05-31 | 2018-11-06 | 浙江智造热成型科技有限公司 | A kind of high intensity battery case |
| WO2025167801A1 (en) * | 2024-02-06 | 2025-08-14 | 宁德时代新能源科技股份有限公司 | Battery and electric device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011134815A1 (en) * | 2010-04-28 | 2011-11-03 | Societe De Technologie Michelin | Stiffened battery compartment for an electric or hybrid vehicle |
| CN102637913A (en) * | 2012-05-03 | 2012-08-15 | 上海中科力帆电动汽车有限公司 | On-vehicle energy storage device of electromobile |
| CN102923133A (en) * | 2012-10-26 | 2013-02-13 | 山东科技大学 | Mining lithium-ion battery electric locomotive power assembly system |
| CN103500805A (en) * | 2013-09-06 | 2014-01-08 | 上海龙创汽车设计有限公司 | Cell box convenient for cell installation positioning and with damping mechanism |
| CN204333075U (en) * | 2014-12-30 | 2015-05-13 | 东风汽车公司 | A quick-change electric vehicle power battery box |
| CN205790114U (en) * | 2016-05-24 | 2016-12-07 | 上汽通用五菱汽车股份有限公司 | A kind of battery case |
-
2016
- 2016-05-24 CN CN201610351420.3A patent/CN107425157B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011134815A1 (en) * | 2010-04-28 | 2011-11-03 | Societe De Technologie Michelin | Stiffened battery compartment for an electric or hybrid vehicle |
| CN102637913A (en) * | 2012-05-03 | 2012-08-15 | 上海中科力帆电动汽车有限公司 | On-vehicle energy storage device of electromobile |
| CN102923133A (en) * | 2012-10-26 | 2013-02-13 | 山东科技大学 | Mining lithium-ion battery electric locomotive power assembly system |
| CN103500805A (en) * | 2013-09-06 | 2014-01-08 | 上海龙创汽车设计有限公司 | Cell box convenient for cell installation positioning and with damping mechanism |
| CN204333075U (en) * | 2014-12-30 | 2015-05-13 | 东风汽车公司 | A quick-change electric vehicle power battery box |
| CN205790114U (en) * | 2016-05-24 | 2016-12-07 | 上汽通用五菱汽车股份有限公司 | A kind of battery case |
Non-Patent Citations (1)
| Title |
|---|
| 董相龙,张维强.: "电动汽车电池箱结构强度的有限元分析及其改进设计" * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767157A (en) * | 2018-05-31 | 2018-11-06 | 浙江智造热成型科技有限公司 | A kind of high intensity battery case |
| WO2025167801A1 (en) * | 2024-02-06 | 2025-08-14 | 宁德时代新能源科技股份有限公司 | Battery and electric device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107425157B (en) | 2023-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201975443U (en) | Cabinet type power battery module | |
| CN102931366A (en) | Design structure of battery box for electromobile | |
| CN205790114U (en) | A kind of battery case | |
| CN111911798A (en) | Skid-mounted hydrogenation device for new energy automobile | |
| CN104527616B (en) | A kind of battery bag quick-changing mechanism and electric motor car | |
| CN207664077U (en) | Battery box face lid and battery box | |
| CN202930758U (en) | High voltage distribution box for electric vehicle | |
| CN107425157B (en) | Battery box | |
| CN109203960A (en) | A kind of battery pack and its application method being installed on automobile top cover | |
| CN221262479U (en) | Battery pack assembly of vehicle and vehicle | |
| CN102951379B (en) | Railway tank car as well as tank body thereof | |
| CN209723857U (en) | Lock housing, lock and vehicle | |
| CN102490593A (en) | Hydrogen fuel cell electric vehicle | |
| CN206640152U (en) | The high-tension distribution box of electric automobile | |
| CN209096457U (en) | A kind of electronic mine operation vehicle battery side puts structure | |
| CN107215205B (en) | Mining automobile oil tank with dustproof, antitheft and anti-drop functions | |
| CN209497210U (en) | New-energy automobile generator main line protective case | |
| CN208947075U (en) | A kind of battery pack being installed on automobile top cover | |
| CN205595401U (en) | Storage battery | |
| CN206712118U (en) | A kind of charging inlet water-tight device of new-energy automobile | |
| CN105679990A (en) | Storage battery | |
| CN205407370U (en) | Electric vehicle charging is precious | |
| CN207106221U (en) | A kind of intelligent charging spot | |
| CN223680454U (en) | Mounting box of electric commercial vehicle multi-gun charging socket | |
| CN206163533U (en) | Novel flame proof battery box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |