CN205508893U - Power battery combined cover cap and power battery who uses thereof - Google Patents
Power battery combined cover cap and power battery who uses thereof Download PDFInfo
- Publication number
- CN205508893U CN205508893U CN201620272023.2U CN201620272023U CN205508893U CN 205508893 U CN205508893 U CN 205508893U CN 201620272023 U CN201620272023 U CN 201620272023U CN 205508893 U CN205508893 U CN 205508893U
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- CN
- China
- Prior art keywords
- electrokinetic cell
- top cover
- cover cap
- sealing ring
- burst disk
- 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.)
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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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- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides a power battery combined cover cap, its include the top cap and with header connection's sealing washer, the top cap includes base member, upper end and connects the base member with middle step between the upper end, middle step is followed the middle zone of base member makes progress to extend perpendicularly and forms, follow the upper end the middle zone of middle step is upwards salient, the external diameter of middle step is greater than the diameter of upper end just is less than the external diameter of base member, the sealing washer includes basal portion and follow the bulge that the middle zone of basal portion upwards extends perpendicularly, the bulge along the axial height of sealing washer equals the height of middle step, above -mentioned structure is worked as the top cap with during the sealing washer equipment, the bulge with the lateral surface of middle step is closely laminated, thereby increases the top cap with the insulating area of contact of sealing washer with stagger battery case with the contact distance of top cap to improve safe insulating properties.
Description
Technical field
This utility model belongs to power battery technology field, particularly relates to a kind of power on electrokinetic cell
Battery combination block and the electrokinetic cell applied thereof.
Background technology
Along with the contradiction increased between the constantly consumption of traditional energy such as oil of Global Auto is constantly upgraded,
The energy replacement traditional energy that the highly desirable exploitation of people is new, to meet the demand of people's daily life.At this
Under the promotion of the demand of kind, low-carbon economy has become as the main flow of economic development.Hybrid vehicle and electricity
Electrical automobile, as the representative of new-energy automobile, has gradually obtained the accreditation of vast production firm and consumer.?
During electric automobile is universal, higher requirement is the most constantly proposed the electrokinetic cell that vehicle-mounted capacity is big.Car
The performance quality carrying the big electrokinetic cell of capacity directly affects the overall performance of electric automobile, and needs have more
High safety, more excellent electric property and lighter weight.
Electrokinetic cell is the important component part of new forms of energy battery, and reliability and the safety of electrokinetic cell are
Technological difficulties in power cell fabrication processes and emphasis, and the sealing of battery is the safety affecting battery
Property and a key factor of reliability.If the poor sealing of battery, in use, battery holds
Easily suck the moisture in air, cause battery to be continuing with.Particularly to high capacity cell, it is to gas
The requirement of close property is the strictest, because battery capacity is high, intrinsic pressure relative the highest, after battery assembling more
Easily leakage or gas leakage, can cause great potential safety hazard to battery, and electro-hydraulic volatilization can cause battery performance
The problems such as the decay with the life-span.
Electrokinetic cell generally comprises power battery core, the metal shell accommodating described power battery core and is welded on described
Top cover on metal shell.It is presently used for the top cover of electrokinetic cell, generally comprises the battery cover being provided with through hole
The parts such as plate, battery electrode column, pottery, rubber seal, nut.The connected mode of these parts is as follows:
Described pole is arranged in the through hole of described battery cover board, by described rubber between described pole and described through hole
Glue sealing ring isolating seal, described pottery is arranged at the insulation between described pole and described top cover for both
And under high temperature, fix its relative position, described nut is installed on the screw thread of described pole, awards for compression
Power book rubber seal；It is high temperature resistant and sealing is respectively by described ceramic material and described rubber seal
Realize.
The top cover of existing electrokinetic cell has the disadvantage in that 1) insulation area of block is limited, box hat and lid
Cap insulation safe distance the least, the careless slightly edge that will compress sealing ring during sealing and turn on battery core,
When detecting described battery core at ordinary times, slightly imprudence will touch short circuit sparking, there is potential safety hazard.2) pole
Between post with top cover high temperature resistant, insulate, the function that seals is by using multiple parts or device to coordinate
Realizing, the weight making this top cover is big, volume big, it is loaded down with trivial details to assemble, to the energy density of electrokinetic cell
Improve and the reduction of cost has negative effect.Especially when abnormal conditions occurs in described electrokinetic cell, can produce
The high temperature of raw more than 500 degree, described rubber seal is the most easily melted and is made described pole
Seal failure between post and described through hole, make the imflammable gas of described power current in-core from described pole with
Gap between described through hole is revealed, and causes danger.
In view of this, necessary offer is a kind of has high temperature resistant, high-insulativity, high leakproofness and good
The electronic battery combination block of security performance and the electrokinetic cell applied thereof.
Utility model content
Technical problem to be solved in the utility model is provide a kind of electrokinetic cell combination cover cap and answered
Electrokinetic cell, it is intended to that it is not only simple in structure is reasonable, easy to operate, save material cost, and absolutely
Edge, sealing and safety are high, effectively reduce and short-circuit risks occur between the positive and negative electrode of electrokinetic cell.
This utility model is achieved in that a kind of electrokinetic cell combination cover cap, and it includes top cover and with described
The sealing ring that top cover connects, described top cover includes matrix, upper end and is connected to described matrix and described upper end
Intermediate step between portion, described intermediate step upwards extends vertically from the zone line of described matrix and forms,
Described upper end is protruding upward from the zone line of described intermediate step；The external diameter of described intermediate step is more than institute
State the diameter of upper end and be less than the external diameter of described matrix；Described sealing ring includes base portion and from described base portion
The protuberance that zone line upwards extends vertically；The corresponding described matrix of described base portion, described protuberance pair
Answer described intermediate step, and described protuberance is equal to described intermediate step along the height that described sealing ring is axial
Height；When described top cover assembles with described sealing ring, described protuberance is fitted tightly over described way station
On the lateral surface on rank.
Further, aforesaid upper end is evenly arranged with multiple steam vent near the position of described intermediate step
With a large amount of gases produced in discharging electrokinetic cell.
Further, aforesaid top cover forms disc structure by impact style, and its material is copper nickel plating.
Further, the diameter of aforesaid base portion, more than the diameter of described protuberance, described protuberance is offered
There is hollow open so that described top cover passes from described opening and is connected with described sealing ring；Described sealing ring
Material be anticorrosion silastic material, by himself elastic deformation coordinate described top cover seal,
Described sealing ring also includes the ring-shaped step downwardly extended from the downside of described base portion.
Further, aforesaid electrokinetic cell combination cover cap also includes burst disk, steel loop, insulating washer and company
Contact pin；Described sealing ring is coated on the outside of described burst disk, and described steel loop is arranged on described top cover with described
Between burst disk, described insulating washer is arranged on the lower end of described burst disk, and described connection sheet is fixed on described
Interior and its upper surface the centre position of insulating washer is connected with described burst disk or disconnects；Described insulating washer
External diameter is less than the internal diameter of described ring-shaped step, and described ring-shaped step is provided with circular openings to house described insulation
Packing ring is in wherein.
Further, the battery core of described electrokinetic cell is electrically connected on described top cover by aforesaid burst disk,
The material of described burst disk is aluminium, and it includes that deformable body and the edge along described deformable body are arranged
Convex edge；Described convex edge is coated on outside described matrix, and the middle part of described deformable body is with described battery core even
Connect；When described deformable body distortion, described burst disk disconnects with described battery core.
Further, aforesaid steel loop is electrically connected with described top cover and described burst disk, and described steel loop is positive temperature
Degree coefficient resistance (PTC) is to play superheat protecting function to described electrokinetic cell.
Further, the middle part of aforesaid connection sheet is connected with described deformable body；Described connection sheet is substantially
For circular configuration, its diameter is less than the external diameter of described insulating washer；The centre of described connection sheet bottom surface sets
Be equipped with depression or pit so that the thickness at described connection sheet center is thin compared with other positions, close on described connection sheet
The position at its center offers multiple through hole；When the intrinsic pressure increase of described electrokinetic cell, described intrinsic pressure pass through
Described through hole applies to described burst disk.
Further, aforesaid electrokinetic cell, it includes shell, battery core, electrokinetic cell combination cover cap；Its
In, the insulation of described electrokinetic cell combination cover cap and described body seal is connected, described battery core be contained in described outside
In shell and all it is electrically connected with described electrokinetic cell combination cover cap and described shell；Described electrokinetic cell composite cover
Crown lid and the sealing ring being connected with described top cover, described top cover includes matrix, upper end and is connected to described
Intermediate step between matrix and described upper end, described intermediate step is from the zone line of described matrix upwards
Extending vertically and form, described upper end is protruding upward from the zone line of described intermediate step；Described way station
The external diameter on the rank diameter more than described upper end and the external diameter less than described matrix；Described sealing ring includes base portion
And the protuberance upwards extended vertically from the zone line of described base portion；The corresponding described matrix of described base portion,
The corresponding described intermediate step of described protuberance, and described protuberance is equal to along the height that described sealing ring is axial
The height of described intermediate step；When described top cover assembles with described sealing ring, described protuberance fits tightly
On the lateral surface of described intermediate step.
This utility model compared with prior art, has the beneficial effects that: it is dynamic that this utility model embodiment provides
Power battery combination block and the electrokinetic cell of described application thereof, by dividing on described top cover and described sealing ring
Intermediate step and protuberance structure are not set, when described top cover assembles with described sealing ring, described protuberance
It is fitted tightly on the lateral surface of described intermediate step, thus increases the insulation of described top cover and described sealing ring
Contact area is with the battery case distance that contacts with described top cover that staggers, thus improves safe insulation performance.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the electrokinetic cell combination cover cap that this utility model embodiment provides.
Fig. 2 is the structural representation of the top cover of the electrokinetic cell combination cover cap in Fig. 1.
Fig. 3 is the structural representation of the sealing ring of the electrokinetic cell combination cover cap in Fig. 1.
The structural representation of the electrokinetic cell of the electrokinetic cell combination cover cap that Fig. 4 is equipped with in Fig. 1.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And embodiment, this utility model is further elaborated.Should be appreciated that described herein specifically
Embodiment, only in order to explain this utility model, is not used to limit this utility model.
Referring to shown in Fig. 1 to Fig. 4, the electrokinetic cell combination cover cap that this utility model provides is for electronic
Automobile provides on the electrokinetic cell of power source.Described electrokinetic cell combination cover cap is applicable to various cylindrical battery,
The particularly box hat cylindrical battery of metallic casing, such as Ni-MH battery, nickel-cadmium cell or lithium ion electronics etc..
Wherein, lithium ion battery can be lithium battery or lithium ion polymer battery.Described electrokinetic cell combination cover cap
Be arranged on the shell 100 (shown in Fig. 4) of described electrokinetic cell, and with described shell 100 insulated enclosure
Connect.Described electrokinetic cell combination cover cap includes being assembled in the most successively in sealing ring 2, by metal
Top cover 1, burst disk 3, steel loop 4, insulating washer 5 and the connection sheet 6 that conductive material is made.Described sealing
Circle 1 is insulant.Described sealing ring 2 is coated on the outside of described burst disk 3, and described steel loop 4 is arranged
Between described top cover 1 and described burst disk 3, described insulating washer 5 is arranged at described burst disk 3 times
End, it is explosion-proof with described that described connection sheet 6 is fixed on interior and its upper surface the centre position of described insulating washer 5
Sheet 3 connects or disconnects.In the present embodiment, the external diameter of described insulating washer 5 is less than described sealing ring 2 times
The internal diameter of end, described electrokinetic cell combination cover cap can be as the negative or positive electrode of electrokinetic cell.
Please engage refering to shown in Fig. 2 and Fig. 3, the material of described top cover 1 can be steel, copper, copper nickel plating,
Steel nickel plating, rustless steel, copper is silver-plated, copper is gold-plated or Kufil.In the present embodiment, described top cover 1
Material is preferably copper nickel plating, because copper nickel plating has preferable antioxygenic property, conducting resistance is low, cost performance
High.Described top cover 1 forms disc structure by impact style, and it includes matrix 10, upper end 11 and connects
It is connected on the intermediate step 12 between described matrix 10 and described upper end 11.Described intermediate step 12 is from institute
Stating the zone line of matrix 10 upwards to extend vertically and form, described upper end 11 is from described intermediate step 2
Zone line is protruding upward；The external diameter of described intermediate step 12 is more than the diameter of described upper end 11 and is less than
The external diameter of described matrix 10.Described upper end 11 is evenly arranged with many near the position of described intermediate step 12
Individual steam vent 110 is so that a large amount of gases produced in described electrokinetic cell can be discharged from described steam vent 110
And avoid the occurrence of blast.Described top cover 1 is by arranging described intermediate step 12 structure, thus it is described to stagger
Shell 100 contacts with described top cover 1, not only improves security performance, and can also strengthen described top cover 1
Intensity.In the present embodiment, described upper end 11 is boss structure.
The material of described sealing ring 2 is anticorrosion silastic material, coordinates institute by the elastic deformation of himself
State top cover 1 to seal, thus the intrusion of battery leakage and outside moisture can be effectively prevented.Described sealing
The structure of circle 2 is similar with the structure of described top cover 1, for hollow disc structure.Described sealing ring 2 includes base
The protuberance 21 that portion 20, zone line from described base portion 20 upwards extend vertically, and from described base
The ring-shaped step 22 that the downside in portion 20 downwardly extends.The diameter of described base portion 20 is more than described protuberance 21
Diameter.Hollow open 210 is offered so that described top cover 1 is from described opening 210 on described protuberance 21
In through and be connected with described sealing ring 2.Described ring-shaped step 22 also be provided with circular openings (non-label) with
Described insulating washer 5 is contained in described circular openings.The corresponding described matrix 10 of described base portion 20, institute
State the corresponding described intermediate step 12 of protuberance 21, and described ring-shaped step 22 is axial along described sealing ring 2
Height equal to the height of described intermediate step 12.When described top cover 1 assembles with described sealing ring 2, institute
State protuberance 21 to be fitted tightly on the lateral surface of described intermediate step 12, thus add described top cover 1
Distance is contacted with stagger described shell 100 and described top cover 1 with the insulated contact area of described sealing ring 2,
Thus improve safe insulation performance.
Described burst disk 3 is laminated in described top cover 1 towards in the one side of the bottom of described shell 100, described
Burst disk 3 is connected with described shell 100 sealed insulation.Described burst disk 3 is electrically connected with battery core and described top
Lid 1, the middle part deformation of described burst disk 3 is so that described burst disk 3 disconnects with described battery core.In this enforcement
In example, the material of described burst disk 3 is aluminium material.Described burst disk 3 includes deformable body 30 and along institute
State the convex edge 31 that the edge of deformable body 30 is arranged.Described convex edge 31 is coated on outside described matrix 10,
The middle part of described deformable body 30 is connected with described battery core.When described deformable body 30 deforms, institute
State burst disk 3 to disconnect with described battery core.
Described steel loop 4 is arranged between described top cover 1 and described burst disk 3, with isolate described top cover 1 with
Described burst disk 3, and described steel loop 4 is electrically connected with described top cover 1 and described burst disk 3.At the present embodiment
In, described steel loop 4 is that semistor (PTC), PTC have resistivity with temperature rising
And the characteristic increased, thus described electrokinetic cell is played superheat protecting function.
Described connection sheet 6 is electrically connected with described battery core, and the middle part of described connection sheet 6 and described deformable
Body 30 connects.Described connection sheet 6 is generally circular in configuration, and the external diameter of described insulating washer 5 is more than described
Connect the diameter of sheet 6, after the connection between described connection sheet 6 and described burst disk 3 disconnects, Ke Yigeng
Described connection sheet 6 is made well to insulate with described burst disk 3.The centre of described connection sheet 6 bottom surface is arranged
There are depression or pit (non-label), so that the thickness at described connection sheet 6 center is thin compared with other positions.Institute
State and offer multiple through hole (non-label) near the position at its center on connection sheet 6.When described electrokinetic cell
Intrinsic pressure increase time, described intrinsic pressure applied in described burst disk 3 by described through hole.When described connection sheet
After connection between 6 and described burst disk 3 disconnects, can keep in repair or change described connection sheet 6, so that described
Electrokinetic cell combination cover cap part recycling in addition to described connection sheet 6, it is to avoid waste.In this enforcement
In example, the material of described connection sheet 6 is aluminum.Described insulating washer 5 has a step-like structure in terms of the back side
(non-label), described connection sheet 6 can be with described step-like structure interference fit, thus at described felt pad
In circle 5.
The electrokinetic cell combination cover cap that this utility model embodiment provides, by described top cover and described sealing
Intermediate step and protuberance structure it is respectively provided with on circle, when described top cover assembles with described sealing ring, described
Protuberance is fitted tightly on the lateral surface of described intermediate step, thus increases described top cover and described sealing ring
Insulated contact area with the battery case distance that contacts with described top cover that staggers, thus improve safe insulation
Energy.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model,
All any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, all should
Within being included in protection domain of the present utility model.
Claims (9)
1. an electrokinetic cell combination cover cap, it is characterised in that: described electrokinetic cell combination cover cap includes top cover
And the sealing ring being connected with described top cover, described top cover include matrix, upper end and be connected to described matrix with
Intermediate step between described upper end, described intermediate step is the most vertically prolonged from the zone line of described matrix
Stretching and form, described upper end is protruding upward from the zone line of described intermediate step；Outside described intermediate step
The footpath diameter more than described upper end and the external diameter less than described matrix；Described sealing ring includes base portion and from institute
State the protuberance that the zone line of base portion upwards extends vertically；The corresponding described matrix of described base portion, described
The corresponding described intermediate step of protuberance, and described protuberance along the axial height of described sealing ring equal to described
The height of intermediate step；When described top cover assembles with described sealing ring, described protuberance is fitted tightly over institute
State on the lateral surface of intermediate step.
2. electrokinetic cell combination cover cap as claimed in claim 1, it is characterised in that described upper end is close
The position of described intermediate step is evenly arranged with multiple steam vent with a large amount of gas produced in discharging electrokinetic cell
Body.
3. electrokinetic cell combination cover cap as claimed in claim 2, it is characterised in that described top cover is by punching
Pressure mode forms disc structure, and its material is copper nickel plating.
4. electrokinetic cell combination cover cap as claimed in claim 3, it is characterised in that the diameter of described base portion
More than the diameter of described protuberance, described protuberance offers hollow open so that described top cover is opened from described
Pass in Kou and be connected with described sealing ring；The material of described sealing ring is anticorrosion silastic material, passes through
The elastic deformation of himself coordinates described top cover to seal, and described sealing ring also includes from described base portion
The ring-shaped step that side downwardly extends.
5. electrokinetic cell combination cover cap as claimed in claim 4, it is characterised in that described power battery pack
Combination block also includes burst disk, steel loop, insulating washer and connects sheet；Described sealing ring is coated on described explosion-proof
The outside of sheet, described steel loop is arranged between described top cover and described burst disk, and described insulating washer is arranged on
The lower end of described burst disk, in described connection sheet is fixed on described insulating washer and the centre position of its upper surface
It is connected with described burst disk or disconnects；The external diameter of described insulating washer is less than the internal diameter of described ring-shaped step, institute
State ring-shaped step and be provided with circular openings to house described insulating washer in wherein.
6. electrokinetic cell combination cover cap as claimed in claim 5, it is characterised in that described burst disk is by institute
The battery core stating electrokinetic cell is electrically connected on described top cover, and the material of described burst disk is aluminium, and it includes
The convex edge that deformable body and the edge along described deformable body are arranged；Described convex edge is coated on described matrix
Outside, the middle part of described deformable body is connected with described battery core；When described deformable body distortion, institute
State burst disk to disconnect with described battery core.
7. electrokinetic cell combination cover cap as claimed in claim 6, it is characterised in that described steel loop electrically connects
Connecing described top cover and described burst disk, described steel loop is that semistor (PTC) is with to described
Electrokinetic cell plays superheat protecting function.
8. electrokinetic cell combination cover cap as claimed in claim 7, it is characterised in that in described connection sheet
Portion is connected with described deformable body；Described connection sheet is generally circular in configuration, and its diameter is less than described insulation
The external diameter of packing ring；The centre of described connection sheet bottom surface is provided with depression or pit so that in described connection sheet
The thickness of the heart is thin compared with other positions, and on described connection sheet, the position near its center offers multiple through hole；When
During the intrinsic pressure increase of described electrokinetic cell, described intrinsic pressure applied in described burst disk by described through hole.
9. an electrokinetic cell, it include shell, battery core, as described in any one in claim 1-8 item
Electrokinetic cell combination cover cap；Wherein, described electrokinetic cell combination cover cap is connected with the insulation of described body seal,
In described battery core is contained in described shell and the most electrically connect with described electrokinetic cell combination cover cap and described shell
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620272023.2U CN205508893U (en) | 2016-04-05 | 2016-04-05 | Power battery combined cover cap and power battery who uses thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620272023.2U CN205508893U (en) | 2016-04-05 | 2016-04-05 | Power battery combined cover cap and power battery who uses thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205508893U true CN205508893U (en) | 2016-08-24 |
Family
ID=56734805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620272023.2U Active CN205508893U (en) | 2016-04-05 | 2016-04-05 | Power battery combined cover cap and power battery who uses thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205508893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018177136A1 (en) * | 2017-03-31 | 2018-10-04 | 比亚迪股份有限公司 | Battery cover assembly, single-cell battery, battery module, power battery pack, and electric vehicle |
-
2016
- 2016-04-05 CN CN201620272023.2U patent/CN205508893U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018177136A1 (en) * | 2017-03-31 | 2018-10-04 | 比亚迪股份有限公司 | Battery cover assembly, single-cell battery, battery module, power battery pack, and electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shaanxi Voight new energy Co., Ltd. Assignor: Shenzhen Optimum Battery Co., Ltd. Contract record no.: 2016440020093 Denomination of utility model: Power battery combined cover cap and power battery who uses thereof Granted publication date: 20160824 License type: Common License Record date: 20161021 Assignee: Jingzhou waltmal Battery Co., Ltd. Assignor: Shenzhen Optimum Battery Co., Ltd. Contract record no.: 2016440020094 Denomination of utility model: Power battery combined cover cap and power battery who uses thereof Granted publication date: 20160824 License type: Common License Record date: 20161024 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170313 Address after: 714000 Shaanxi high tech Zone in Weinan City, Qin Yu Lu No. 2 Patentee after: Shaanxi Voight new energy Co., Ltd. Address before: 518000 Guangdong province Shenzhen Pingshan New District No. 68 North Road, Yu Lan Jing deep science and Technology Park Patentee before: Shenzhen Optimum Battery Co., Ltd. |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180428 Granted publication date: 20160824 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210428 Granted publication date: 20160824 |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210428 Granted publication date: 20160824 |