CN209658508U - A kind of new-energy automobile charging gun of magnetic suction fixing type - Google Patents
A kind of new-energy automobile charging gun of magnetic suction fixing type Download PDFInfo
- Publication number
- CN209658508U CN209658508U CN201820407891.6U CN201820407891U CN209658508U CN 209658508 U CN209658508 U CN 209658508U CN 201820407891 U CN201820407891 U CN 201820407891U CN 209658508 U CN209658508 U CN 209658508U
- Authority
- CN
- China
- Prior art keywords
- charging
- charging gun
- contact
- new
- energy automobile
- 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.)
- Expired - Fee Related
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Classifications
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of new-energy automobile charging guns of magnetic suction fixing type, it solves the problems, such as that the charging gun of the prior art is easy to fall off or forgets to pull out and travel and pull with vehicle, be characterized in that: being made of charging gun housing body, the circuit board being connected with charging gun enclosure interior charge cable, the magnetic fixed mechanism for being set to the charging plug of charging gun housing forward end and being mounted on charging gun housing forward end；The charging gun housing forward end connection charging sleeve, charging cartridge exterior are equipped with magnetic fixed mechanism；When being less than adsorption capacity to charging gun active force, charging gun can not be pulled up, be avoided in charging process, the charging gun in charging is pulled up in the maloperations such as children；When being greater than adsorption capacity to charging gun active force, charging gun falls off with charging jack, it prevents from drawing in charging process, forgets to pull out charging gun and drive vehicle and leave caused charging gun, charging pile and seriously pulled the case where damaging by vehicle, improve the safety of new-energy automobile charging.
Description
Technical field
The utility model relates to technical field of new energy, more specifically, it relates to which a kind of magnetic suction fixing type is new
Energy automobile charging gun.
Background technique
New-energy automobile refer to using unconventional vehicle fuel as a source of power (or using conventional vehicle fuel,
Using new vehicle-mounted power plant), the dynamic Control of comprehensive vehicle and the advanced technology of driving aspect, the technical principle elder generation of formation
Into, the automobile with new technology, new construction.New-energy automobile includes pure electric automobile, stroke-increasing electric automobile, hybrid power vapour
Vehicle, fuel cell electric vehicle, hydrogen engine automobile, other new-energy automobiles etc..
With the progress of electrokinetic technique and the enhancing of people's environmental consciousness, electric car is due to using vehicle power supply as power
New-energy automobile, the problems such as being able to solve fuel-engined vehicle pollution emission environment, high energy consumption, 12 periods gradually
It is promoted.Key link in the charging process of electric car is that whether charging equipment of electric automobile is popularized and whether technology
Maturation, this plays a crucial role the universal and popularization of electric car.
In current charging equipment of electric automobile (charger, charging pile etc.), charging pipette tips are typically secured to charging pile certainly
In the fixing seat of body, this fixing seat only serves the fixed function of pipette tips.Such charging equipment is all mentioned in the presence of the playback of no pipette tips mostly
Show, this directly result in automobile user prepare using or use finish charging equipment when, forget to pull out pipette tips, by charging gun
Cable break, or during charging, the charging jack connection of charging gun and new-energy automobile built on the sand, causes to charge
The problem of rifle falls off or loosens, influences the charging operations of automobile, and reduces the safety of charging operations.
Therefore, it is necessary to a kind of new-energy automobile charging guns of magnetic suction fixing type, not to the connection of existing charging gun charging operations
The problem of can not surely and when being pulled separating with automobile, is improved.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of new energy of magnetic suction fixing type
Automobile charging gun, has solved the problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions:
A kind of new-energy automobile charging gun of magnetic suction fixing type, by charging gun housing body and charging gun enclosure interior charging cable
The connected circuit board of cable, the magnetic for being set to the charging plug of charging gun housing forward end and being mounted on charging gun housing forward end are solid
Determine mechanism composition；The charging gun housing rear end connects charging gun lever, and charging gun portable handle, electricity are equipped on the upside of charging gun lever
Road plate is mounted in charging gun lever internal chamber, and circuit board is electrically connected with power supply line, and charging gun housing forward end connects charging pack
Cylinder, charging sleeve is interior to be equipped with charging guide post, and charging plug is fixed on charging guide post front end, and charge cable passes through inside the guide post that charges
Through-hole is electrically connected with charging plug, and charging cartridge exterior is equipped with magnetic fixed mechanism.
Further, the charge cable is equipped with charge switch, and the operation button of charge switch is mounted on charging gun housing body
On button switch box in, button switch box be clamshell box body, be located on the operation button of charge switch.
Further, the magnetic fixed mechanism is by front cover, rear cover, internal gland, conductive sheet, magnetic shield, coil and iron core group
At.
Further, the front integral type is connected at least two limit guide posts, before limiting guide post and front cover
Side is vertical and parallel with the inserting column of charging plug.
Further, connection buckle ring cowling on the outside of the front cover, buckle ring cowling are set in rear cover forward exterior, buckle in ring cowling
Rear cover outer wall be equipped with evagination it is bittiness, evagination is bittiness with buckle ring cowling is interlocked.
Further, it offsets on the inside of the front cover with internal gland, magnet frame, magnet frame and charging sleeve is equipped on the inside of internal gland
Outer wall is connected to a fixed, and fixes cored in magnet frame, and wound around coil on iron core, coil is connected with the contact A on front side of magnet frame,
It is arranged at intervals with contact B in magnet frame with contact A, is embedded with conductive sheet on the internal gland on front side of contact A and contact B, works as internal pressure
It covers when being moved to magnet frame side, the both ends of conductive sheet are connected with contact A and contact B.
Further, the contact B is connected with electromagnetism cable, and electromagnetism cable connects transformer, and transformer passes through tap cable
Charge cable is connected, charge cable and tap cable connecting place wrap up wiring protective case.
Further, magnetic shield is equipped with outside the magnet of the coil and iron core composition, magnetic shield and charging sleeve outer wall are solid
Surely it is connected, is connected between magnetic shield and internal gland by spring, both ends of the spring is respectively fixedly connected with magnetic shield and internal gland,
In, along charging sleeve sliding setting, rear cover is connected to a fixed with charging sleeve outer wall for front cover and internal gland.
Further, the conductive sheet, contact A and contact B are copper material, and conductive sheet is formed and is embedded in by copper sheet rolling
On rear side of internal gland, the both ends of conductive sheet are exposed on rear side of internal gland, when internal gland offsets with electromagnetism frame, conductive sheet both ends and touching
Point A and contact B is connected.
In conclusion the utility model has the advantages that compared with prior art
It is reasonable in design, facilitate people by holding charging gun lever or charging gun portable handle two ways for charging gun
Shell lifts, and it is convenient to operate；Button switch box cover is located on the operation button of charge switch, is played a very good protection, and is prevented
The operation button of people's maloperation triggering charge switch causes charge cable energization contact occur and happen, and improves charging gun
The safety of operation；Limit guide post is set and is inserted it into the limit hole of charging jack of new-energy automobile, charging is improved
The accuracy that plug is docked with the charging jack of new-energy automobile.
In charging, conductive sheet both ends offset with contact A, contact B, and coil is powered magnetization iron core to new-energy automobile
Charging gun can not be pulled up when being less than adsorption capacity to charging gun active force, avoid charging by charging jack (ferrous metal) absorption
In the process, the charging gun in charging is pulled up in the maloperations such as children；When to charging gun active force be greater than adsorption capacity when, charging gun with
Charging jack falls off, and prevents from drawing in charging process, forgets to pull out charging gun and drive vehicle and leave caused charging gun, charging pile
The case where damaging, is seriously pulled by vehicle, improves the safety of new-energy automobile charging, effective protection charging gun and charging
The equipment such as stake.
For the structure feature and effect for more clearly illustrating the utility model, come with reference to the accompanying drawing with specific embodiment pair
The utility model is described in detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of magnetic fixed mechanism in the utility model.
Fig. 3 is the sliding schematic diagram of front cover and internal gland in the utility model.
Appended drawing reference: 1- charging gun lever, 2- circuit board, 3- power supply line, 4- charging gun portable handle, 5- charge cable, 6-
Charge switch, 7- button switch box, 8- wiring protective case, 9- tap cable, 10- transformer, 11- electromagnetism cable, 12- charging gun
Shell, 13- charging sleeve, 14- charging guide post, 15- charging plug, 16- limit guide post, 17- magnetic fixed mechanism, 18- front cover,
19- evagination is bittiness, 20- buckles ring cowling, 21- rear cover, 22- internal gland, 23- conductive sheet, 24- contact A, the contact 25- B, 26- bullet
Spring, 27- magnetic shield, 28- coil, 29- iron core.
Specific embodiment
The technical solution of the utility model is described further in the following with reference to the drawings and specific embodiments.
Referring to Fig. 1 and Fig. 2, the new-energy automobile charging gun of a kind of magnetic suction fixing type, by charging gun housing body 12 and charging gun
It the connected circuit board 2 of 12 charge inside cable 5 of shell, the charging plug 15 for being set to charging 12 front end of gun housing body and is mounted on
The magnetic fixed mechanism 17 of charging 12 front end of gun housing body forms；12 rear end of charging gun housing body connects charging gun lever 1, charging
It is equipped with charging gun portable handle 4 on the upside of rifle lever 1, when charging operations, facilitates people by holding charging gun lever 1 or charging gunman
It proposes 4 two ways of handle to lift charging gun housing body 12, it is convenient to operate；The circuit board 2 is mounted on 1 internal chamber of charging gun lever
In, circuit board 2 is electrically connected with power supply line 3, conveniently connects charging gun and charging pile by power supply line 3.
The charge cable 5 is equipped with charge switch 6, and the operation button of charge switch 6 is mounted in charging gun housing body 12
Button switch box 7 in, button switch box 7 be clamshell box body, be located on the operation button of charge switch 6, play good guarantor
Shield effect prevents the operation button of people's maloperation triggering charge switch 6 from the energization of charge cable 5 being caused contact situation hair occur
It is raw, improve the safety of charging gun operation.
12 front end of the charging gun housing body connection charging sleeve 13, charging sleeve 13 is interior to be equipped with charging guide post 14, and charging is inserted
First 15 are fixed on charging 14 front end of guide post, and charge cable 5 passes through charging 14 interior bone of guide post and is electrically connected with charging plug 15, when
After charge switch 6 is closed, charging plug 15 is electrically connected with circuit board 2, power supply line 3 by charge cable 5 and is connected with charging pile,
It is connect convenient for charging plug 15 with the charging jack of new-energy automobile and carries out charging operations.
Magnetic fixed mechanism 17 is installed outside the charging sleeve 13, magnetic fixed mechanism 17 by front cover 18, rear cover 21,
Internal gland 22, conductive sheet 23, magnetic shield 27, coil 28 and iron core 29 form；Wherein, 18 front integral type of front cover is connected at least
Two limit guide posts 16, limit guide post 16 is vertical with the leading flank of front cover 18 and parallel with the inserting column of charging plug 15, side
Just by the limit hole for limiting the charging jack that guide post 16 is inserted into new-energy automobile, charging plug 15 and new-energy automobile are improved
Charging jack docking accuracy.
The 18 outside connection buckle ring cowling 20 of front cover, buckle ring cowling 20 are set in 21 forward exterior of rear cover, buckle ring cowling
21 outer wall of rear cover in 20 is equipped with evagination bittiness 19, and evagination is bittiness 19 to be interlocked with buckle ring cowling 20, prevent front cover 18 and after
Lid 21 slips separation；18 inside of front cover offsets with internal gland 22, and magnet frame, magnet frame and charging are equipped on the inside of internal gland 22
13 outer wall of sleeve is connected to a fixed, and cored 29 are fixed in magnet frame, wound around coil 28 on iron core 29, before coil 28 and magnet frame
The contact A 24 of side is connected, and is arranged at intervals with contact B25 in magnet frame with contact A 24, the internal pressure on front side of contact A 24 and contact B25
Conductive sheet 23 is embedded on lid 22, when internal gland 22 is moved to magnet frame side, both ends and the contact A 24 and touching of conductive sheet 23
Point B25 is connected, so that contact A 24 and contact B25 are electrically connected, contact B25 is connected with electromagnetism cable 11, and electromagnetism cable 11 connects
Transformer 10, transformer 10 connect charge cable 5 by tap cable 9, and charge cable 5 connects with tap 9 connecting place of cable package
Line protective case 8 insulate.
Magnetic shield 27, magnetic shield 27 and charging 13 outer wall of sleeve are equipped with outside the magnet that the coil 28 and iron core 29 form
It is connected to a fixed, is connected between magnetic shield 27 and internal gland 22 by spring 26,26 both ends of spring are respectively fixedly connected with magnetic shield
27 and internal gland 22, wherein front cover 18 and internal gland 22 are outside the charging sliding setting of sleeve 13, rear cover 21 and charging sleeve 13
Wall is connected to a fixed.
When charging plug 15 is docked with the charging jack of new-energy automobile, limit guide post 16 is inserted into new-energy automobile
In the limit hole of charging jack, at the same time, the charging jack of rear cover 21 and new-energy automobile offset and along charging sleeve 13 to
After slide, as shown in figure 3, rear cover 21 squeeze internal gland 22 along charging sleeve 13 slide backward, the conductive sheet 23 on internal gland 22
Both ends offset with contact A 24, contact B25, so that contact A 24 is connected with contact B25, coil 28 is by electromagnetism cable 11 and becomes
Depressor 10 is connected, and is connected by tapping cable 9 with charge cable 5, and charge cable 5, which is powered when charging, makes the energization magnetization of coil 28
Iron core 29 adsorbs the charging jack (ferrous metal) of new-energy automobile, and suction is controlled in 2500N-3500N, that is, is less than 2500N
Power when acting on charging gun, can not be pulled up, be avoided in charging process, the charging gun in charging is pulled out in the maloperations such as children
Under, when external force is greater than 3500N, charging gun falls off with charging jack, prevents from drawing in charging process, forgets to pull out charging gun and drive
It sails vehicle and leaves caused charging gun, charging pile and the case where damaging seriously is pulled by vehicle.
When charging gun is separated with charging jack, under 26 active force of spring, front cover 18 and internal gland 22 are along charging pack
Cylinder 13 forward slips setting, conductive sheet 23 are separated with contact A 24, contact B25, and coil 28 powers off, and no longer generation suction is to charging
Socket absorption；Also or when charge cable 5 powers off, coil 28 is also powered off, and no longer generation suction adsorbs charging jack, convenient
The extraction of charging gun improves the safety of new-energy automobile charging, the equipment such as effective protection charging gun and charging pile.
Further, shown conductive sheet 23, contact A 24 and contact B25 are all made of copper material, and conductive sheet 23 is rolled by copper sheet
It forms and is embedded in 22 rear side of internal gland, the both ends of conductive sheet 23 are exposed on rear side of internal gland 22, facilitate internal gland 22 and electromagnetism
When frame offsets, 23 both ends of conductive sheet are connected with contact A 24 and contact B25.
Technical principle of the utility model has been described above with reference to specific embodiments, is only the preferred implementation of the utility model
Mode.The protection scope of the utility model is not limited merely to above-described embodiment, technology belonging to the idea of the present invention
Scheme belongs to the protection scope of the utility model.Those skilled in the art, which does not need to pay for creative labor, to be associated
To other specific embodiments of the utility model, these modes are fallen within the protection scope of the utility model.
Claims (9)
1. a kind of new-energy automobile charging gun of magnetic suction fixing type, by charging gun housing body (12), gun housing body (12) are internal with charging
The connected circuit board (2) of charge cable (5), the charging plug (15) for being set to charging gun housing body (12) front end and being mounted on fills
The magnetic fixed mechanism (17) of electric gun housing body (12) front end forms；It is characterized in that, the charging gun housing body (12) rear end connects
Charging gun lever (1), charging gun lever (1) upside are equipped with charging gun portable handle (4), and circuit board (2) is mounted on charging gun lever
(1) in internal chamber, circuit board (2) is electrically connected with power supply line (3), charging gun housing body (12) front end connection charging sleeve (13),
Charging, sleeve (13) are interior to be equipped with charging guide post (14), and charging plug (15) is fixed on charging guide post (14) front end, charge cable (5)
It is electrically connected across charging guide post (14) interior bone with charging plug (15), magnetic fixed machine is installed outside charging sleeve (13)
Structure (17).
2. a kind of new-energy automobile charging gun of magnetic suction fixing type according to claim 1, which is characterized in that the charging
Cable (5) is equipped with charge switch (6), and the operation button of charge switch (6) is mounted on the button switch in charging gun housing body (12)
In box (7), button switch box (7) is clamshell box body, is located on the operation button of charge switch (6).
3. a kind of new-energy automobile charging gun of magnetic suction fixing type according to claim 1, which is characterized in that the magnetic
Fixed mechanism (17) is by front cover (18), rear cover (21), internal gland (22), conductive sheet (23), magnetic shield (27), coil (28) and iron
Core (29) composition.
4. a kind of new-energy automobile charging gun of magnetic suction fixing type according to claim 3, which is characterized in that the front cover
(18) front integral type is connected at least two limit guide posts (16), and limit guide post (16) is vertical with the leading flank of front cover (18)
And it is parallel with the inserting column of charging plug (15).
5. a kind of new-energy automobile charging gun of magnetic suction fixing type according to claim 4, which is characterized in that the front cover
(18) outside connection buckle ring cowling (20), buckle ring cowling (20) are set in rear cover (21) forward exterior, buckle in ring cowling (20)
Rear cover (21) outer wall is bittiness (19) equipped with evagination, and evagination is bittiness (19) is interlocked with buckle ring cowling (20).
6. a kind of new-energy automobile charging gun of magnetic suction fixing type according to claim 5, which is characterized in that the front cover
(18) inside offsets with internal gland (22), and magnet frame is equipped on the inside of internal gland (22), and magnet frame and charging sleeve (13) outer wall are solid
Surely it is connected, is fixed in magnet frame cored (29), wound around coil (28) on iron core (29), on front side of coil (28) and magnet frame
Contact A (24) is connected, and is arranged at intervals with contact B (25) in magnet frame with contact A (24), contact A (24) and the front side contact B (25)
Internal gland (22) on be embedded with conductive sheet (23), when internal gland (22) is moved to magnet frame side, the two of conductive sheet (23)
End is connected with contact A (24) and contact B (25).
7. a kind of new-energy automobile charging gun of magnetic suction fixing type according to claim 6, which is characterized in that the contact
B (25) is connected with electromagnetism cable (11), and electromagnetism cable (11) connects transformer (10), and transformer (10) passes through tap cable (9)
It connects charge cable (5), charge cable (5) and tap cable (9) connecting place package wiring protective case (8).
8. a kind of new-energy automobile charging gun of magnetic suction fixing type according to claim 7, which is characterized in that the coil
(28) and outside the magnet of iron core (29) composition magnetic shield (27) are equipped with, magnetic shield (27) and charging sleeve (13) outer wall stationary phase
Connection is connected between magnetic shield (27) and internal gland (22) by spring (26), and spring (26) both ends are respectively fixedly connected with every magnetic
Cover (27) and internal gland (22), wherein front cover (18) and internal gland (22) are along charging sleeve (13) sliding setting, rear cover (21)
It is connected to a fixed with charging sleeve (13) outer wall.
9. a kind of new-energy automobile charging gun of magnetic suction fixing type according to claim 8, which is characterized in that the conduction
Piece (23), contact A (24) and contact B (25) are copper material, and conductive sheet (23) is formed by copper sheet rolling and is embedded in internal gland
(22) both ends of rear side, conductive sheet (23) are exposed on rear side of internal gland (22), conductive when internal gland (22) offset with electromagnetism frame
Piece (23) both ends are connected with contact A (24) and contact B (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820407891.6U CN209658508U (en) | 2018-03-26 | 2018-03-26 | A kind of new-energy automobile charging gun of magnetic suction fixing type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820407891.6U CN209658508U (en) | 2018-03-26 | 2018-03-26 | A kind of new-energy automobile charging gun of magnetic suction fixing type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209658508U true CN209658508U (en) | 2019-11-19 |
Family
ID=68504872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820407891.6U Expired - Fee Related CN209658508U (en) | 2018-03-26 | 2018-03-26 | A kind of new-energy automobile charging gun of magnetic suction fixing type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209658508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952797A (en) * | 2020-08-28 | 2020-11-17 | 北京良宇安宏电子科技有限公司 | Portable rifle that charges of car new forms of energy |
-
2018
- 2018-03-26 CN CN201820407891.6U patent/CN209658508U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952797A (en) * | 2020-08-28 | 2020-11-17 | 北京良宇安宏电子科技有限公司 | Portable rifle that charges of car new forms of energy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 Termination date: 20200326 |