CN208623038U - A kind of electromagnetism lock system for charging interface - Google Patents
A kind of electromagnetism lock system for charging interface Download PDFInfo
- Publication number
- CN208623038U CN208623038U CN201820935102.6U CN201820935102U CN208623038U CN 208623038 U CN208623038 U CN 208623038U CN 201820935102 U CN201820935102 U CN 201820935102U CN 208623038 U CN208623038 U CN 208623038U
- Authority
- CN
- China
- Prior art keywords
- electromagnetic lock
- lock
- outer base
- base
- electromagnetism
- 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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- 239000000696 magnetic material Substances 0.000 claims abstract description 70
- 239000000463 material Substances 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005389 magnetism Effects 0.000 description 11
- 239000000203 mixture Substances 0.000 description 8
- 230000005307 ferromagnetism Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model provides a kind of electromagnetism lock system of charging interface, and the electromagnetism lock system includes the first electromagnetic lock, the second electromagnetic lock and control terminal；The electromagnetic lock includes outer base and interior base two parts, and electromagnetic lock outer base can be connected with charging equipment；Interior base is connected with outer base, is made of permanent-magnet material and non-magnetic material two parts, and the interior base is made of left and right corresponding with outer base two parts, and half is permanent-magnet material, and half is non-magnetic material；The control terminal sends instruction to control the interior base of first electronic lock or second electronic lock or outer base and rotate to realize the switching of the first electromagnetic lock and the second electromagnetism lock system of the electromagnetic lock between unlocking condition and lock state.By implementing the embodiment of the utility model, charging interface not only more stable safety, and it is beneficial to its intelligentized control method.
Description
Technical field
The utility model relates to charging equipment field more particularly to the electromagnetism lock systems of charging interface.
Background technique
With the fast development of the electric car using battery as power source, the charging safety of charging system for electric automobile
It is more and more important.The favorite outer disconnection of electric car charging process in order to prevent, power supply base and vehicle socket require installation electricity
Sub- locking device.
Utility model content
In order to solve the above-mentioned technical problem the utility model, provides a kind of electromagnetism lock system of charging interface, the electromagnetism
Lock system includes the first electromagnetic lock, the second electromagnetic lock and control terminal；The electromagnetic lock includes outer base and interior base two parts, electricity
Magnetic padlock outer base can be connected with charging equipment, be made of soft magnetic materials and non-magnetic material two parts, and the outer base is by left and right
Two parts composition, half is soft magnetic materials, and half is non-magnetic material；Interior base is connected with outer base, by permanent-magnet material and non-
Magnetic material two parts composition, the interior base is made of left and right corresponding with outer base two parts, and half is permanent-magnet material, and one
It is partly non-magnetic material；The control terminal sends instruction to control the interior base of first electronic lock or second electronic lock
Or outer base rotation with realize the electromagnetic lock the first electromagnetic lock and the second electromagnetism lock system unlocking condition and locking
Switching between state.
The utility model provides a kind of electromagnetism lock system, and the electromagnetism lock system includes the first electromagnetic lock, the second electromagnetic lock
And control terminal；The electromagnetic lock includes outer base and interior base, and electromagnetic lock outer base can be connected with charging equipment, by soft magnetic materials
It is formed with non-magnetic material two parts, outer base is made of upper and lower two parts, all soft magnetic materials of top half, lower half portion
One third is soft magnetic materials, three/second is that non-magnetic material；Interior base is connected with outer base, by permanent-magnet material and non magnetic
Material composition, the interior base one third is the first permanent-magnet material, and the second permanent-magnet material of one third, one third is non-magnetic
Property material, first permanent-magnet material and the second permanent-magnet material polarity are opposite；The control terminal sends instruction to control described the
The interior base or outer base of one electronic lock or second electronic lock rotate the first electromagnetic lock to realize the electromagnetism lock system
With switching of second electromagnetic lock between unlocking condition and lock state.
The utility model provides a kind of electromagnetism lock system, and the electromagnetism lock system includes the first electromagnetic lock, the second electromagnetic lock；
The electromagnetic lock includes outer base and interior base two parts, and electromagnetic lock outer base can be connected with charging equipment, by soft magnetic materials and
Non-magnetic material two parts composition, the outer base are made of left and right two parts, and half is soft magnetic materials, and half is non magnetic material
Material；Interior base is connected with outer base, is made of permanent-magnet material and non-magnetic material two parts, the interior base by with outer base pair
The left and right two parts composition answered, half is permanent-magnet material, and half is non-magnetic material；Pass through the first electronic lock described in Mechanical course
Or the interior base or outer base of second electronic lock rotate the first electromagnetic lock and second electricity to realize the electromagnetic lock
Switching of the magnetic padlock system between unlocking condition and lock state.
The utility model provides a kind of electromagnetism lock system, and the electromagnetism lock system includes the first electromagnetic lock, the second electromagnetic lock；
The electromagnetic lock includes outer base and interior base, and electromagnetic lock outer base can be connected with charging equipment, by soft magnetic materials and non magnetic
Material two parts composition, outer base are made of upper and lower two parts, all soft magnetic materials of top half, lower half portion one third
It is soft magnetic materials, three/second is that non-magnetic material；Interior base is connected with outer base, by permanent-magnet material and non-magnetic material group
At the interior base one third is the first permanent-magnet material, and the second permanent-magnet material of one third, one third is non magnetic material
Material, first permanent-magnet material and the second permanent-magnet material polarity are opposite；Pass through the first electronic lock described in Mechanical course or described
The interior base or outer base of two electronic locks rotate the first electromagnetic lock and second electromagnetic lock to realize the electromagnetism lock system
Switching between unlocking condition and lock state.
Further, locking pin and matched cotter way is arranged in the electromagnetic lock between outer base and interior base, lock
When rationed marketing retracts, outer base rotational structure is free to rotate, and when electronics pin pops up, rotational structure can not rotate.
Further, the permanent-magnet material polarity of first electromagnetic lock and second electromagnetic lock can identical not yet
Together.
Further, first electromagnetic lock is used for the first electric vehicle, and second electromagnetic lock is used for the second electric vehicle.
Further, the control terminal is mobile terminal, intelligent terminal or vehicle device.
Further, the control terminal is mobile terminal, intelligent terminal or vehicle device and server.
By implementing the embodiment of the utility model, charging interface not only more stable safety, and it is beneficial to its intelligence
Change control.
Detailed description of the invention
Fig. 1 is the utility model charging interface electromagnetic lock system structure diagram one；
Fig. 2 is the utility model charging interface electromagnetic lock electronics latch structure schematic diagram；
Fig. 3 is the utility model charging interface electromagnetic lock system structure diagram two；
Fig. 4 is the utility model charging interface electromagnetic lock external and internal compositions schematic diagram.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1: the charging interface electromagnetism lock system of the present embodiment, including the first electromagnetic lock and the second electromagnetic lock, such as Fig. 1
Shown, electromagnetic lock includes outer base and interior base two parts, and electromagnetic lock outer base can be connected with charging equipment, by soft magnetic materials
(1) it being formed with non-magnetic material (2) two parts, the outer base is made of left and right two parts, and half is soft magnetic materials (1), and one
It is partly non-magnetic material (2)；Interior base is connected with outer base, is made of permanent-magnet material (3) and non-magnetic material (4) two parts,
The interior base is made of left and right corresponding with outer base two parts, and half is permanent-magnet material (3), and half is non-magnetic material
(4)；The permanent-magnet material magnetic pole of first electromagnetic lock and the second electromagnetic lock can be it is identical can also be opposite with thing；Wherein soft magnetism material
A kind of material that material refers in magnetic field easy magnetization, easily demagnetizes in non-magnetic field export by telecommunication and controls signal to electromagnetic lock
Control terminal or by mechanical rotation, control the rotation of electromagnetic lock outer base, interior base, realize electromagnetic lock outer base and interior base
The switching of connection status, to control the unlocking of electromagnetic lock, locked state.Outer base and interior base can be by telecommunications
Or Mechanical course rotation, when electromagnetic lock is in unlocking condition, the section of soft magnetic material (1) of outer base not with the permanent magnetism of interior base
The magnetic pole of material (3) is connected, and electromagnetic lock outer base does not have magnetism at this time；When telecommunication equipment or Mechanical course outer base
After rotation, the magnetic pole of the permanent-magnet material (3) of the section of soft magnetic material (1) and interior base of outer base is connected, at this time electromagnetic lock outer bottom
Seat tool has ferromagnetism, and charging equipment surface can be sucked when being connected with charging equipment.Further, lock is provided in rotational structure
The cotter way of rationed marketing (5) and cooperation, locking pin can be electronics pin and be also possible to mechanical elastic pin, as shown in Fig. 2, locking pin (5)
When retraction, outer base rotational structure is free to rotate, and when electronics pin (5) pops up, rotational structure can not rotate.
As shown in Figure 1, when the connection of user A and user B charging equipment, the charging interface outer base soft magnetic materials of user A
(1) it is connected with the charging interface outer base soft magnetic materials (1) of user B, is now in unlocking condition, user A and user B's
The soft magnetic materials (1) of charging interface is all without magnetism, and user A and user B either side can issue locking instruction, example at this time
Such as, after user A issues locking instruction, outer base or interior base rotation or either side are controlled by remote control signal
Machinery rotation outer base or interior base, the permanent-magnet material (3) of the interior base of user A charging interface electromagnetic lock and outer base are soft at this time
Magnetic material (1) is connected, and the charging interface electromagnetic lock outer base of user A has ferromagnetism, due to the outer base soft magnetic materials of A and B
(1) it is connected and is connected by ferromagnetism, locked state is opened.
After locked state unlatching, user A and user B either side can issue unlocking instruction, for example, working as user A
After issuing unlocking instruction, is rotated by remote control signal control outer base or either side machinery rotates outer base or interior
Pedestal, at this time A charging interface electromagnetic lock outer base soft magnetic materials (1) rotation after, no matter the outer base of A charging interface electromagnetic lock
Whether soft magnetic materials (1) has magnetism, connect with the outer base non-magnetic material (2) of user's B charging interface electromagnetic lock, Wu Fatong
Cross magnetic attracting, unlocking condition unlatching.
Embodiment 2: the charging interface electromagnetism lock system of the present embodiment, including the first electromagnetic lock and the second electromagnetic lock, such as Fig. 3
Shown, the electromagnetic lock includes outer base and interior base, and electromagnetic lock outer base can be connected with charging equipment, by soft magnetic materials (1)
It is formed with non-magnetic material (2) two parts, outer base is made of upper and lower two parts, all soft magnetic materials of top half, lower half
Part one third is soft magnetic materials (1), three/second is that non-magnetic material (2)；Interior base is connected with outer base, by permanent magnetism material
Expect (3) (6) and non-magnetic material (4) composition, the interior base one third is the first permanent-magnet material (3), one third second
Permanent-magnet material (6), one third are non-magnetic material (4), and first permanent-magnet material and the second permanent-magnet material polarity are opposite；Its
A kind of material that middle soft magnetic materials refers in magnetic field easy magnetization, easily demagnetizes in non-magnetic field, permanent-magnet material (3) as shown in Figure 4 and (6)
Difference be position of magnetic pole difference, the permanent-magnet material magnetic pole of the first electromagnetic lock and the second electromagnetic lock can be identical or not
Together, control signal is exported to the control terminal or Mechanical course electromagnetic lock outer base of electromagnetic lock, interior base by telecommunication
Rotation realizes the switching of electromagnetic lock outer base and interior base connection status, to control to the unlocking of electromagnetic lock, locked state
System.Outer base or interior base can be rotated by telecommunication or Mechanical course, when electromagnetic lock is in unlocking condition, outer base it is soft
Magnetic material part (1) is connected with the non-magnetic material (4) of interior base, and electromagnetic lock outer base does not have magnetism at this time；When long-range logical
After believing equipment or the rotation of Mechanical course outer base, the section of soft magnetic material (1) of outer base and the permanent-magnet material (3) of interior base or
(6) magnetic pole is connected, and electromagnetic lock outer base has ferromagnetism at this time, and charging equipment table can be sucked when being connected with charging equipment
Face.Further, the cotter way of locking pin (5) and cooperation is provided in rotational structure, locking pin can be electronics pin and be also possible to
Mechanical elastic pin, as shown in figure 4, outer base rotational structure is free to rotate when locking pin (5) retracts, electronics pin (5) pop-up
When, rotational structure can not rotate.
As shown in figure 3, the charging interface electromagnetic lock outer base of user A is soft when the connection of user A and user B charging equipment
Magnetic material (1) is connected with the charging interface electromagnetic lock outer base soft magnetic materials (1) of user B, is now in unlocking condition, user
The soft magnetic materials (1) of the charging interface of A and user B is all without magnetism, and user A and user B either side can issue at this time
Locking instruction, for example, the difference of permanent-magnet material (3) as shown in Figure 4 and (6) is magnetic pole position after user A issues locking instruction
Set difference, server obtains the magnetic pole state of user B outer base connection, and by remote control signal control interior base rotate to
Position (3) corresponding with B and (6), the permanent-magnet material of the interior base of A charging interface is connected with outer base soft magnetic materials (1) at this time,
The interface outer base of A has ferromagnetism and the magnetic pole state not mutual exclusion with B, since A is connected with the outer base soft magnetic materials (1) of B
And connected by ferromagnetism, locked state is opened.
After locked state unlatching, if necessary to realize unlocking instruction, it is necessary to which user A and user B both sides are all in unlocking
Under command status, unlocking condition is just able to achieve.For example, being controlled by remote control signal outer after user A issues unlocking instruction
Pedestal or interior base rotation, the outer base soft magnetic materials (1) of A is connected with interior base non-magnetic material (4) after rotation does not have magnetic
Property, but if the unlocking condition of user B is not opened at this time, the outer base soft material (1) of user's B charging interface still has magnetism,
Locked state cannot release.User B can be notified by server at this time, after the completion of charging behavior between B confirmation A and B, B is logical
It crosses remote control signal and issues unlocking instruction, B controls outer base by remote control signal or interior base rotates, B after rotation
Outer base soft magnetic materials (1) is connected with interior base non-magnetic material (4) does not have magnetism, at this time the outer base soft magnetic materials of A and B
(1) do not have magnetism, unlocking condition is opened.
The above electromagnetism lock system can be used for electric vehicle, and control terminal can be mobile terminal, intelligent terminal or vehicle device, mobile
Corresponding control instruction is directly sent to electromagnetism lock system after receiving user instructions by terminal, intelligent terminal or vehicle device.Control terminal
It can also be mobile terminal, intelligent terminal or vehicle device and server, user is referred to by mobile terminal, intelligent terminal or vehicle device transmission
It enables, after instruction is transferred to server, corresponding control instruction is sent to electromagnetism lock system by server.
Claims (7)
1. a kind of electromagnetism lock system, which is characterized in that the electromagnetism lock system includes the first electromagnetic lock, the second electromagnetic lock and control
End；The electromagnetic lock includes outer base and interior base two parts, and electromagnetic lock outer base can be connected with charging equipment, by soft magnetic materials
(1) it being formed with non-magnetic material (2) two parts, the outer base is made of left and right two parts, and half is soft magnetic materials (1), and one
It is partly non-magnetic material (2)；Interior base is connected with outer base, is made of permanent-magnet material (3) and non-magnetic material (4) two parts,
The interior base is made of left and right corresponding with outer base two parts, and half is permanent-magnet material (3), and half is non-magnetic material
(4)；The control terminal sends instruction to control the interior base of first electronic lock or second electronic lock or outer base rotation
Turn with the first electromagnetic lock for realizing the electromagnetic lock and the second electromagnetism lock system between unlocking condition and lock state
Switching.
2. electromagnetism lock system as described in claim 1, which is characterized in that the electromagnetic lock is set between outer base and interior base
Locking pin and matched cotter way are set, when locking pin retracts, outer base rotational structure is free to rotate, when electronics pin pops up,
Rotational structure can not rotate.
3. electromagnetism lock system as described in claim 1, which is characterized in that first electromagnetic lock and second electromagnetic lock
Permanent-magnet material polarity is identical.
4. electromagnetism lock system as described in claim 1, which is characterized in that first electromagnetic lock and second electromagnetic lock
Permanent-magnet material polarity is different.
5. the electromagnetism lock system as described in claim 1-4 is any, which is characterized in that first electromagnetic lock is electronic for first
Vehicle, second electromagnetic lock are used for the second electric vehicle.
6. the electromagnetism lock system as described in claim 1-4 is any, which is characterized in that the control terminal is mobile terminal, intelligence
Terminal or vehicle device.
7. the electromagnetism lock system as described in claim 1-4 is any, which is characterized in that the control terminal is mobile terminal, intelligence
Terminal or vehicle device and server.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920049543.0U CN210111186U (en) | 2018-06-16 | 2018-06-16 | Electromagnetic lock system for charging interface |
| CN201920049539.4U CN210111185U (en) | 2018-06-16 | 2018-06-16 | Electromagnetic lock system for charging interface |
| CN201920049537.5U CN210111183U (en) | 2018-06-16 | 2018-06-16 | Electromagnetic lock system for charging interface |
| CN201820935102.6U CN208623038U (en) | 2018-06-16 | 2018-06-16 | A kind of electromagnetism lock system for charging interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820935102.6U CN208623038U (en) | 2018-06-16 | 2018-06-16 | A kind of electromagnetism lock system for charging interface |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920049543.0U Division CN210111186U (en) | 2018-06-16 | 2018-06-16 | Electromagnetic lock system for charging interface |
| CN201920049539.4U Division CN210111185U (en) | 2018-06-16 | 2018-06-16 | Electromagnetic lock system for charging interface |
| CN201920049537.5U Division CN210111183U (en) | 2018-06-16 | 2018-06-16 | Electromagnetic lock system for charging interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208623038U true CN208623038U (en) | 2019-03-19 |
Family
ID=65703164
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920049537.5U Expired - Fee Related CN210111183U (en) | 2018-06-16 | 2018-06-16 | Electromagnetic lock system for charging interface |
| CN201920049543.0U Expired - Fee Related CN210111186U (en) | 2018-06-16 | 2018-06-16 | Electromagnetic lock system for charging interface |
| CN201820935102.6U Expired - Fee Related CN208623038U (en) | 2018-06-16 | 2018-06-16 | A kind of electromagnetism lock system for charging interface |
| CN201920049539.4U Expired - Fee Related CN210111185U (en) | 2018-06-16 | 2018-06-16 | Electromagnetic lock system for charging interface |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920049537.5U Expired - Fee Related CN210111183U (en) | 2018-06-16 | 2018-06-16 | Electromagnetic lock system for charging interface |
| CN201920049543.0U Expired - Fee Related CN210111186U (en) | 2018-06-16 | 2018-06-16 | Electromagnetic lock system for charging interface |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920049539.4U Expired - Fee Related CN210111185U (en) | 2018-06-16 | 2018-06-16 | Electromagnetic lock system for charging interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN210111183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832411A (en) * | 2018-06-16 | 2018-11-16 | 北京设集约科技有限公司 | A kind of electromagnetism lock system and its control method for charging interface |
-
2018
- 2018-06-16 CN CN201920049537.5U patent/CN210111183U/en not_active Expired - Fee Related
- 2018-06-16 CN CN201920049543.0U patent/CN210111186U/en not_active Expired - Fee Related
- 2018-06-16 CN CN201820935102.6U patent/CN208623038U/en not_active Expired - Fee Related
- 2018-06-16 CN CN201920049539.4U patent/CN210111185U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832411A (en) * | 2018-06-16 | 2018-11-16 | 北京设集约科技有限公司 | A kind of electromagnetism lock system and its control method for charging interface |
Also Published As
| Publication number | Publication date |
|---|---|
| CN210111186U (en) | 2020-02-21 |
| CN210111183U (en) | 2020-02-21 |
| CN210111185U (en) | 2020-02-21 |
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| 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: 20190319 |