CN208521998U - A kind of 5G car networking anti-leakage explosion-proof power module - Google Patents
A kind of 5G car networking anti-leakage explosion-proof power module Download PDFInfo
- Publication number
- CN208521998U CN208521998U CN201820798420.2U CN201820798420U CN208521998U CN 208521998 U CN208521998 U CN 208521998U CN 201820798420 U CN201820798420 U CN 201820798420U CN 208521998 U CN208521998 U CN 208521998U
- Authority
- CN
- China
- Prior art keywords
- plate
- thermally conductive
- battery
- mounting plate
- conductive mounting
- 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
Links
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
- 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
- Secondary Cells (AREA)
Abstract
The utility model discloses a kind of 5G car networking anti-leakage explosion-proof power modules, it is related to 5G vehicle networking technical field, including thermally conductive mounting plate and it is insulated box, one middle side part of the thermally conductive mounting plate is fixedly connected with heat sink, the two sides up and down of the heat sink are provided with battery, the side of the battery is fitted and connected with heat sink, and one end of battery and the side of thermally conductive mounting plate are fitted and connected, the side upper and lower ends of the thermally conductive mounting plate are fixedly connected to convex block, are provided with clamping apparatus on the convex block.The utility model is by being provided with heat sink on thermally conductive mounting plate, copper alloy plate is set by heat sink, copper alloy plate has the good capacity of heat transmission, coolant liquid is provided in copper alloy plate, by the heat absorption on battery and thermally conductive mounting plate can be conducted to, heat is discharged by thermally conductive mounting plate in time by radiating fin, improves the heat dissipation effect of power supply, prevents power module from bursting because temperature is excessively high.
Description
Technical field
The utility model relates to 5G vehicle networking technical field, specially a kind of 5G car networking anti-leakage explosion-proof power supply mould
Block.
Background technique
Car networking (Internet of Vehicles) is the huge friendship being made of information such as vehicle location, speed and routes
Mutual network.Pass throughGPS, RFID, sensor, camera image processing etc. devices, vehicle can complete itself environment and state letter
The acquisition of breath；Pass throughInternetTechnology, all vehicles can be by the various information Transmission Convergences of itself to central processing unit；It is logical
It crossesComputerThe information of technology, these a large amount of vehicles can be analyzed and processed, thus calculate the best route of different vehicle,
It reports without delay road conditions and arranges signal lamp cycle.Car networking can be realized intelligent traffic management, Intelligent Dynamic information service and
The integrated network of vehicle control is typical case of the technology of Internet of things in field of transportation system, is mobile Internet, Internet of Things
It is the amalgamation skill of the development such as Future Information communication, environmental protection, energy conservation, safety to the only way which must be passed business essence and developed in depth and breadth
Art.Due to the fast development of the industries such as Internet of Things especially internet automobile, there is higher requirement to network speed, this nothing
Doubting becomes an important factor for pushing 5G network Development.
Currently, anti-flaming and explosion-proof performance of automobile batteries group under the conditions of high power work is not perfect enough, certain extreme
Explosion on fire easily occurs for (such as generation sharp impacts carry out slow pin prick test) under harsh conditions, causes casualties and wealth
Object loss.And for electronic circuit, since the coupling between component is extremely compact, even if output end is without output, input terminal
Faint leakage current can be generated；Since the working time of this kind of daily necessity is far smaller than standby time, in terms of long-term angle,
This kind of leakage current takes care of the pence, and will account for the more considerable ratio of entire battery capacity, leads to the service life of battery substantially
It shrinks.Therefore it is necessary to propose that a kind of 5G car networking is solved the above problems with anti-leakage explosion-proof power module.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of 5G car networking anti-leakage explosion-proof power module,
Solves the problems, such as the explosive easy electric leakage of existing power module.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of 5G car networking leakproof
Electric explosion-proof electrical source module, including thermally conductive mounting plate and insulating mounting box, a middle side part of the thermally conductive mounting plate are fixedly connected with
Heat sink, the two sides up and down of the heat sink are provided with battery, and side and the heat sink of the battery are fitted and connected, and battery
One end and the side of thermally conductive mounting plate be fitted and connected, the side upper and lower ends of the thermally conductive mounting plate are fixedly connected to convex
Block is provided with clamping apparatus on the convex block, and the side of the clamping apparatus is fixedly connected with triangle joint block, and the triangle connects
It connects block to be flexibly connected by pin shaft with convex block, the other side of the clamping apparatus and the other side of battery are fitted and connected；
It is fixedly connected with radiating fin in the middle part of the other side of the thermally conductive mounting plate, the two sides up and down of the radiating fin are equal
It is provided with heat insulation, the heat insulation is fixedly mounted on another side external surface of thermally conductive mounting plate, described to be insulated the one of box
Side edge is fixedly connected with the heat-insulated plate being circumferentially arranged, and the edge of the heat-insulated plate and thermally conductive mounting plate is fitted and connected, institute
It states and is fixedly installed with preventing rubber layer on the other side inner wall for being insulated box, the other side of the preventing rubber layer and battery is pasted
Close connection, insulatings mounting box other side middle part is fixedly connected with positioning column, the heat sink far from thermally conductive mounting plate one
End middle part offers locating slot, and the locating slot is adapted with positioning column, and the two sides up and down of the positioning column are provided with activity
The side of plate, the movable plate is connect by buffer spring with the inner wall for being insulated box, one end of the buffer spring and work
Movable plate is fixedly connected, and the other end of the buffer spring is fixedly connected with box is insulated, the other side of the movable plate and electricity
The other end in pond is fitted and connected.
Preferably, the clamping apparatus includes fixed plate and jointing plate, and the side of the fixed plate and triangle joint block are solid
Fixed connection, the other side of the fixed plate are connected by being telescopically connected to the side of bar and jointing plate, the other side of the jointing plate
It is fitted and connected with battery, the fixed plate is fixedly connected by elastic connection plate with the both ends of jointing plate.
Preferably, one end of the connecting rod is connect by pin shaft with the convex block in fixed plate, the connecting rod it is another
End is connect by articulated shaft with the convex block on jointing plate, and there are two the connecting rod settings, and two connecting rods are arranged in a crossed manner, and two
Reset spring is provided between a connecting rod, the both ends of the reset spring are fixedly connected with fixed plate and jointing plate respectively.
Preferably, the heat sink is bolted to connection with box is insulated, and there are two the bolt settings, and two
Bolt is located at two two sides up and down of positioning column.
Preferably, the heat sink is set as copper alloy plate, and heat sink setting inside one end of thermally conductive mounting plate
There is cavity, is filled with coolant liquid in cavity.
(3) beneficial effect
The utility model provides a kind of 5G car networking anti-leakage explosion-proof power module, have it is following the utility model has the advantages that
(1), the utility model sets copper alloy plate for heat sink by being provided with heat sink on thermally conductive mounting plate,
Copper alloy plate has the good capacity of heat transmission, and coolant liquid is provided in copper alloy plate, can be by the heat absorption on battery simultaneously
It is conducted to thermally conductive mounting plate, heat is discharged in time by radiating fin for thermally conductive mounting plate, improves dissipating for power supply
Thermal effect prevents power module from bursting because temperature is excessively high；
(2), the utility model is risen by being provided with preventing rubber layer on the inner wall for being insulated box in preventing rubber layer
The effect for having arrived insulation prevents battery drain, is insulated box and is made of insulating materials, thermally conductive mounting plate is set as heat conductive insulating
Plate effectively prevents the case where forming access between battery and extraneous electric conductor, lead to battery drain generation, improves power supply
Use the time.
Detailed description of the invention
Fig. 1 is the utility model structural profile illustration
Fig. 2 is the utility model clamping apparatus structural profile illustration
In figure: thermally conductive mounting plate 1, heat sink 2, cavity 21, battery 3, convex block 4, clamping apparatus 5, fixed plate 51, jointing plate
52, it is telescopically connected to bar 53, elastic connection plate 54, triangle joint block 6, radiating fin 7, heat insulation 8, box 9 is insulated, is heat-insulated slotting
Plate 10, preventing rubber layer 11, positioning column 12, locating slot 13, movable plate 14, buffer spring 15.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connects " installation "
Connect ", the terms such as " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection；It can be machine
Tool connection；It can be directly connected, it can also be indirectly connected through an intermediary.For those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of 5G car networking anti-leakage explosion-proof power supply mould
Block, including thermally conductive mounting plate 1 and insulating mounting box 9, a middle side part of thermally conductive mounting plate 1 are fixedly connected with heat sink 2, heat sink
2 two sides up and down are provided with battery 3, and side and the heat sink 2 of battery 3 are fitted and connected, and one end of battery 3 and thermally conductive installation
The side of plate 1 is fitted and connected, and the side upper and lower ends of thermally conductive mounting plate 1 are fixedly connected to convex block 4, is provided with card on convex block 4
Connection device 5, the side of clamping apparatus 5 are fixedly connected with triangle joint block 6, and triangle joint block 6 is connected by pin shaft and 4 activity of convex block
It connects, the other side of clamping apparatus 5 and the other side of battery 3 are fitted and connected；
It is fixedly connected with radiating fin 7 in the middle part of the other side of thermally conductive mounting plate 1, the two sides up and down of radiating fin 7 are respectively provided with
There is heat insulation 8, heat insulation 8 is fixedly mounted on another side external surface of thermally conductive mounting plate 1, and the one side edge for being insulated box 9 is solid
Surely it is connected with the heat-insulated plate 10 being circumferentially arranged, the edge of heat-insulated plate 10 and thermally conductive mounting plate 1 is fitted and connected, and is insulated box
Preventing rubber layer 11 is fixedly installed on 9 other side inner wall, preventing rubber layer 11 and the other side of battery 3 are fitted and connected, absolutely
Positioning column 12 is fixedly connected in the middle part of 9 other side of edge mounting box, heat sink 2 is offered far from one end middle part of thermally conductive mounting plate 1
Locating slot 13, locating slot 13 are adapted with positioning column 12, and the two sides up and down of positioning column 12 are provided with movable plate 14, movable plate 14
Side connect by buffer spring 15 with the inner wall for being insulated box 9, one end of buffer spring 15 and movable plate 14 fix company
It connects, the other end of buffer spring 15 is fixedly connected with box 9 is insulated, and the other side of movable plate 14 and the other end of battery 3 paste
Close connection.
A kind of optimal technical scheme as the utility model: clamping apparatus 5 includes fixed plate 51 and jointing plate 52, is fixed
The side of plate 51 is fixedly connected with triangle joint block 6, and the other side of fixed plate 51 is by being telescopically connected to bar 53 and jointing plate 52
Side connection, the other side and the battery 3 of jointing plate 52 are fitted and connected, and the both ends of fixed plate 51 and jointing plate 52 pass through elasticity even
Fishplate bar 54 is fixedly connected；The setting of clamping apparatus 5 can facilitate the replacement for limiting battery 3, while also facilitating battery 3, improve
The service efficiency of power supply.
A kind of optimal technical scheme as the utility model: one end of connecting rod 53 passes through on pin shaft and fixed plate 51
The other end of convex block connection, connecting rod 53 is connect by articulated shaft with the convex block on jointing plate 52, and there are two the settings of connecting rod 53,
Two connecting rods 53 are arranged in a crossed manner, and reset spring is provided between two connecting rods 53, and the both ends of reset spring are respectively and solid
Fixed board 51 is fixedly connected with jointing plate 52.
A kind of optimal technical scheme as the utility model: heat sink 2 and insulating mounting 9 company of being bolted of box
It connects, there are two bolt settings, and two bolts are located at two two sides up and down of positioning column 12；The setting of bolt can pacify insulation
Mounted box 9 is firmly installed on thermally conductive mounting plate 1, is avoided battery 3 and is loosened.
A kind of optimal technical scheme as the utility model: heat sink 2 is set as copper alloy plate, and heat sink 2 is close
One end of thermally conductive mounting plate 1 is internally provided with cavity 21, is filled with coolant liquid in cavity 21；Copper alloy plate is set by hot plate 2,
Copper alloy plate has the good capacity of heat transmission, and coolant liquid is provided in copper alloy plate, can be by the heat absorption and biography of battery 3
It leads and makes thermally conductive mounting plate 1 enough by the way that heat is discharged when radiating fin 7 to thermally conductive mounting plate 1.
In conclusion the present apparatus during installation first splits thermally conductive mounting plate 1 with box 9 is insulated, then by battery 3
It is bonded with heat sink 2, then pushes battery 3 again, until battery 3 is fitted and connected with thermally conductive mounting plate 1, in the process, battery 3
Contacted first with the jointing plate 52 on clamping apparatus 5, then 52 stress of jointing plate is mobile to fixed plate 51, while fixed plate 51 by
Effect to component starts turning, until jointing plate 52 is parallel with battery 3, clamping apparatus 5 blocks battery 3 at this time, then will
Be insulated box 9 to be installed on thermally conductive mounting plate 1, positioning column 12 be inserted into locating slot 13 first, then heat-insulated plate 10 with
It is connected on the outside of the edge of thermally conductive mounting plate 1, until positioning column 12 is fully inserted into locating slot 13, in the process, rubber
Protective layer 11 contacts with battery 3 and forms certain extruding force to battery 3, while also providing certain insulation environment for battery 3
And buffer function, then movable plate 14 is contacted with battery 3, and the elastic potential energy of buffer spring 15 forms certain extruding to battery 3
Power, while also to certain protective capability is formed to battery 3, being insulated box 9 is that battery 3 provides protective capacities, prevents battery 3
It is burst by fierce shock；It is insulated 9 insulating materials of box to constitute, thermally conductive mounting plate 1 is set to heat conductive insulating plate, effectively
The case where forming access between the extraneous electric conductor of battery 3, lead to battery drain generation is prevented, thermally conductive mounting plate 1 is provided with scattered
Heat sink 2 is set to copper alloy plate by hot plate 2, and copper alloy plate has the good capacity of heat transmission, cooling is provided in copper alloy plate
Liquid by the heat absorption of battery 3 and can be conducted to general when thermally conductive mounting plate 1 makes thermally conductive mounting plate 1 enough pass through radiating fin 7
Heat discharge, improves the heat dissipation effect of power supply, prevents power module from bursting because temperature is excessively high.
It should be noted that in the present invention unless specifically defined or limited otherwise, fisrt feature is in the second spy
It can be that the first and second features directly contact or the first and second features are connect indirectly by intermediary "above" or "below" sign
Touching.Moreover, fisrt feature can be above the second feature " above ", " above " and " above " fisrt feature right above second feature or
Oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature " under ", " lower section "
" following " can be fisrt feature and be directly under or diagonally below the second feature, or is merely representative of first feature horizontal height and is less than
Second feature.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of 5G car networking anti-leakage explosion-proof power module, including thermally conductive mounting plate (1) and insulating mounting box (9), special
Sign is: a middle side part of the thermally conductive mounting plate (1) is fixedly connected with heat sink (2), the two sides up and down of the heat sink (2)
It is provided with battery (3), side and the heat sink (2) of the battery (3) are fitted and connected, and one end of battery (3) and thermally conductive peace
The side of loading board (1) is fitted and connected, and the side upper and lower ends of the thermally conductive mounting plate (1) are fixedly connected to convex block (4), described
It is provided on convex block (4) clamping apparatus (5), the side of the clamping apparatus (5) is fixedly connected with triangle joint block (6), described
Triangle joint block (6) is flexibly connected by pin shaft with convex block (4), and the other side of the clamping apparatus (5) is another with battery (3)
Side is fitted and connected；
It is fixedly connected with radiating fin (7) in the middle part of the other side of the thermally conductive mounting plate (1), above and below the radiating fin (7)
Two sides are provided with heat insulation (8), and the heat insulation (8) is fixedly mounted on another side external surface of thermally conductive mounting plate (1), described
The one side edge for being insulated box (9) is fixedly connected with the heat-insulated plate (10) being circumferentially arranged, the heat-insulated plate (10) with lead
The edge of hot mounting plate (1) is fitted and connected, and is fixedly installed with preventing rubber layer on the other side inner wall for being insulated box (9)
(11), the preventing rubber layer (11) and the other side of battery (3) are fitted and connected, in the middle part of insulating mounting box (9) other side
It is fixedly connected with positioning column (12), the heat sink (2) offers locating slot far from one end middle part of thermally conductive mounting plate (1)
(13), the locating slot (13) is adapted with positioning column (12), and the two sides up and down of the positioning column (12) are provided with movable plate
(14), the side of the movable plate (14) is connect by buffer spring (15) with the inner wall for being insulated box (9), the buffering elastic
One end of spring (15) is fixedly connected with movable plate (14), and the other end and insulating mounting box (9) of the buffer spring (15) are fixed
Connection, the other side of the movable plate (14) and the other end of battery (3) are fitted and connected.
2. a kind of 5G car networking anti-leakage explosion-proof power module according to claim 1, it is characterised in that: the clamping
Device (5) includes fixed plate (51) and jointing plate (52), and the side and triangle joint block (6) of the fixed plate (51) are fixed to be connected
It connects, the other side of the fixed plate (51) is connect by being telescopically connected to bar (53) with the side of jointing plate (52), the jointing plate
(52) the other side is fitted and connected with battery (3), and the both ends of the fixed plate (51) and jointing plate (52) pass through elastic connection
Plate (54) is fixedly connected.
3. a kind of 5G car networking anti-leakage explosion-proof power module according to claim 2, it is characterised in that: the connection
One end of bar (53) is connect by pin shaft with the convex block on fixed plate (51), and the other end of the connecting rod (53) passes through articulated shaft
It is connect with the convex block on jointing plate (52), there are two connecting rod (53) settings, and two connecting rods (53) are arranged in a crossed manner, and two
Be provided with reset spring between a connecting rod (53), the both ends of the reset spring respectively with fixed plate (51) and jointing plate (52)
It is fixedly connected.
4. a kind of 5G car networking anti-leakage explosion-proof power module according to claim 1, it is characterised in that: the heat dissipation
Plate (2) is bolted to connection with box (9) are insulated, and there are two the bolt settings, and two bolts are located at positioning
Two two sides up and down of column (12).
5. a kind of 5G car networking anti-leakage explosion-proof power module according to claim 1, it is characterised in that: the heat dissipation
Plate (2) is set as copper alloy plate, and heat sink (2) is internally provided with cavity (21), cavity close to the one end of thermally conductive mounting plate (1)
(21) coolant liquid is filled in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820798420.2U CN208521998U (en) | 2018-05-28 | 2018-05-28 | A kind of 5G car networking anti-leakage explosion-proof power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820798420.2U CN208521998U (en) | 2018-05-28 | 2018-05-28 | A kind of 5G car networking anti-leakage explosion-proof power module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208521998U true CN208521998U (en) | 2019-02-19 |
Family
ID=65339514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820798420.2U Expired - Fee Related CN208521998U (en) | 2018-05-28 | 2018-05-28 | A kind of 5G car networking anti-leakage explosion-proof power module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208521998U (en) |
-
2018
- 2018-05-28 CN CN201820798420.2U patent/CN208521998U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203859172U (en) | Battery module | |
| CN104362972A (en) | Split type photovoltaic terminal box with cable protection structure | |
| CN201570548U (en) | Lithium battery module with high-efficiency heat exchange structure | |
| CN103545572B (en) | Battery device | |
| CN203423237U (en) | Cold plate of electric automobile power battery and power battery utilizing cold plate | |
| CN208521998U (en) | A kind of 5G car networking anti-leakage explosion-proof power module | |
| CN207967147U (en) | Battery modules | |
| CN209731873U (en) | Power switching devices | |
| CN216626417U (en) | Integrated radiator for platform area terminal | |
| CN205752447U (en) | A kind of electric automobile power battery group cold and hot managing device of oil immersed type liquid | |
| CN206076453U (en) | It is a kind of can quick soaking electrokinetic cell module | |
| CN210926093U (en) | Constant temperature standard battery pack | |
| CN204230385U (en) | A kind of high heat-conducting type lithium ionic cell module | |
| CN202677291U (en) | Integral heat dissipation structure for switch chip case | |
| CN210866275U (en) | Rapid heating battery module | |
| CN203746995U (en) | Anti-overheating battery module | |
| CN108550747B (en) | Novel power battery echelon uses PACK | |
| CN208028117U (en) | A kind of series connection of cylindrical battery and parallel-connection structure | |
| CN201155731Y (en) | High power electronic blast totally-enclosed radiation shell | |
| CN207800825U (en) | Battery core cooling device | |
| CN205790215U (en) | Battery module connection power interface and use the battery module of this power interface | |
| CN104979510A (en) | Fast-connection energy storage battery case for hard-packaged lithium battery with non-threaded posts | |
| CN218587549U (en) | Vehicle-mounted equipment heat pipe heat dissipation ridge structure | |
| CN204810790U (en) | Heat conducting device | |
| CN219959301U (en) | Energy storage battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190715 Address after: 266000 701 households, No. 13 Yongjia Road, Southern District of Qingdao City, Shandong Province Patentee after: Qingdao Yuanpeng New Energy Technology Service Co.,Ltd. Address before: 322100 Ximatang, Hengcheng Village, Nanshi Street, Dongyang City, Jinhua City, Zhejiang Province Patentee before: Jiang Haifang |
|
| 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: 20190219 |