CN106025433A - Battery heat protecting mechanism of communication equipment - Google Patents
Battery heat protecting mechanism of communication equipment Download PDFInfo
- Publication number
- CN106025433A CN106025433A CN201610552543.3A CN201610552543A CN106025433A CN 106025433 A CN106025433 A CN 106025433A CN 201610552543 A CN201610552543 A CN 201610552543A CN 106025433 A CN106025433 A CN 106025433A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- battery
- cross bar
- core body
- case
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004891 communication Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims 2
- 238000004880 explosion Methods 0.000 abstract description 4
- 238000013021 overheating Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/623—Portable devices, e.g. mobile telephones, cameras or pacemakers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a battery heat protecting mechanism of communication equipment. The battery heat protecting mechanism comprises a shell, an upper cover and a battery core body, wherein the battery core body is inserted into the shell, and two electrode holders are formed on the battery core body; the upper end of the shell is fixedly connected with a hood; two sockets are formed in the hood; two heat-dissipating holes are formed in the two ends of the hood; sealing covers are inserted into the heat-dissipating holes; connecting rods stretching into the hood are formed at the lower ends of the sealing covers; the lower end of each connecting rod is fixedly connected with a fusible block; the middle parts of the fusible blocks are hollowed out to form hollow parts; the inner walls of the upper ends of the hollow parts are fixedly connected with first pressure springs; conductive posts are inserted into the sockets; the upper ends of the conductive posts are exposed out of the sockets and are fixedly connected with a first cross rod; the two ends of the cross rod are fixed to the two conductive posts respectively; the lower end of the middle part of the cross rod is fixedly connected with a second pressure spring; and second cross rods are fixedly connected between the upper ends of the conductive posts and the sealing covers. During overheating of a battery, the battery heat protecting mechanism can automatically disconnect a connecting circuit, and at the same time open a heat-dissipating passage to cool the battery core body so as to prevent explosion of the battery.
Description
Technical field:
The present invention relates to the technical field of communication apparatus, be specifically related to the electricity of a kind of communication apparatus
Pond Thermal protection mechanism.
Background technology:
Communication apparatus is generally divided into wire communication equipment and wireless telecommunications system two class, wire communication
Equipment and wireless telecommunications system all be unable to do without power supply facilities.Mobile communication equipment is a kind of typical
Wireless telecommunications system, its power supply facilities is generally moveable accumulator, existing mobile communication
The accumulator of equipment is generally lithium battery, and lithium battery there is a disadvantage that, it is simply that overheated meeting is led
Cause the generation of blast, thus need the device that overtemperature protection is set to avoid sending out of explosion danger
Raw.
Summary of the invention:
The purpose of the present invention aims to solve the problem that the problem that prior art exists, it is provided that a kind of battery is overheated
Time can automatically disconnect circuit, open heat dissipation channel simultaneously, cool down battery core body, prevent electricity
The battery Thermal protection mechanism of the communication apparatus of pond blast.
The present invention relates to the battery Thermal protection mechanism of a kind of communication apparatus, including rectangle shell,
Upper cover and battery core body, described battery core body is plugged in described shell and upwards forms two
Cylindrical electrode tip holder, described electrode tip holder exposes the upper surface of upper cover, and the upper end of shell is fixing even
It is connected to case, forms two sockets in the middle part of the upper surface of described case, two ends form two
Louvre, described socket and louvre are positioned on same level line；Sealing it is plugged with in louvre
Lid, the connecting rod extended in the described oriented case of lower end molding sealing lid, described connecting rod
Lower end is fixedly connected with an easy frit, and the lower end of described easy frit is fixed on and covers, easy frit
Middle part empty formation hollow bulb, the upper end inwall of described hollow bulb is fixedly connected with the first pressure
Spring, the lower end of described first stage clip is fixedly connected on and covers, and the first stage clip is in compression shape；Insert
Being plugged with conductive pole in Zuo, the upper end of described conductive pole is plugged in socket, lower end is plugged on electricity
In the electrode tip holder of pond core body, the upper end of conductive pole is exposed socket and is fixedly connected with the first cross bar,
The two ends of described first cross bar are separately fixed on two conductive poles, lower end, middle part is fixedly connected with
Second stage clip, the lower end of described second stage clip is fixedly connected on case, the upper end of conductive pole with
Seal and be fixedly connected with the second cross bar between lid.
By technique scheme, the present invention increases on the basis of the battery of existing communication apparatus
If a case, in case, it is mounted with an overheat protection mechanism, during work, works as battery
Core body is overheated when causing upper cover overheated, and the easy frit melted by heat above covered, when hollow bulb surrounding
Easy frit part when all melting, the first stage clip exposes and stress bounce-back, thus easily frit and close
The connecting rod of capping pops up together, causes and seals the louvre that lid ejection is opened on case,
Meanwhile, the sealing lid at case two ends pops up drive the second cross bar and pulls up two and lead
Move on electricity post, make the lower end of conductive pole depart from the electrode tip holder on battery core body, thus realize open circuit,
In the process, the second stage clip bounce-back drives the first cross bar to pop up, and makes conductive pole more accelerate
Leave electrode tip holder, it is achieved quick break fastly.
By such scheme, the battery Thermal protection mechanism of the present invention can be from dynamic circuit breaker when battery is overheated
Open connection circuit, open heat dissipation channel simultaneously, cool down battery core body, prevent battery explosion, protect
Demonstrate,prove production safety.
One as the present invention is preferred, and the medial wall of described shell forms some shelves
Forming several pillars in bar, inside bottom surface, the edge formation of described upper cover has several to lead to
Pore, the chamber between described passage with described shelves bar is connected.By such scheme, upper cover
On passage can be with case on louvre together with dispel the heat, be more beneficial in shell and case
Heat distribute, quickly cooling battery core body.
One as the present invention is preferred, and described first cross bar and the second cross bar are positioned at same level
On line, the height of the first cross bar and the second cross bar distance encloser inner wall upper end inserts more than conductive pole
The degree of depth of the electrode tip holder of battery core body, the first cross bar and the second cross bar are made by insulant.
By such scheme, when overheated first cross bar of battery core body and the second cross bar are upspring, the sky in case
Chien shih the first cross bar and the second cross bar make effectively to upspring.
One as the present invention is preferred, and the described lid that seals is in inverted convex shape, and sealing covers
The diameter of end outer wall is less than the straight of louvre more than the diameter of the diameter of louvre, lower end connecting rod
Footpath.
One as the present invention is preferred, and described first stage clip is made up of exotic material, described
Shell, upper cover, case are made by isolation material.
One as the present invention is preferred, and the socket on described case is cylinder, described meltable
Block is square shaped, and the lower end of described connecting rod is fixed in the middle part of the upper surface of easy frit.
Described above is only the general introduction of technical solution of the present invention, in order to better understand this
Bright technological means, and can be practiced according to the content of description, below with the present invention relatively
Good embodiment and coordinate accompanying drawing describe in detail as after.
Accompanying drawing illustrates:
The following drawings is only intended to, in schematically illustrating the present invention and explaining, not limit this
Bright scope.Wherein:
Fig. 1 is the outer surface structure schematic diagram that the present invention is overall；
Fig. 2 is the profile of Fig. 1；
Fig. 3 is the partial structurtes schematic diagram of Fig. 2；
Fig. 4 is that the present invention is without top view during case；
Fig. 5 is the top view of middle shell of the present invention.
Detailed description of the invention:
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is made the most in detail
Describe.Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
See Fig. 1 to Fig. 5, the battery Thermal protection mechanism of a kind of communication apparatus of the present invention,
Including shell 10, upper cover 20 and the battery core body 30 of rectangle, the medial wall of described shell 10
On form and in some shelves bars 11, inside bottom surface, form several pillars 12, described on
The edge formation of lid 20 has several passages 21, described passage and described shelves bar 11 it
Between chamber be connected, in described battery core body 30 is plugged on described shell 10 and upwards molding
Having two cylindrical electrode tip holders 31, described electrode tip holder 31 exposes the upper surface of upper cover 20,
The upper end of shell 10 is fixedly connected with case 40, molding in the middle part of the upper surface of described case 40
Have two sockets 41, two ends to form two louvres 42, described socket 41 in cylinder,
Socket 41 and louvre 42 are positioned on same level line.
Seeing Fig. 3, be plugged with sealing lid 50 in louvre 42, the described lower end sealing lid becomes
The connecting rod 51 extended in the oriented case of type 40, described sealing 50 is covered in inverted convex shape,
Seal the diameter of lid 50 upper end outer walls more than the diameter of louvre 42, lower end connecting rod 51
Diameter is less than the diameter of louvre 42, and it is meltable that the lower end of described connecting rod 51 is fixedly connected with one
Block 60, described easy frit is square shaped, and the lower end of connecting rod 51 is fixed on easy frit 60
In the middle part of upper surface, the lower end of easy frit 60 is fixed on upper cover 20, the middle part of easy frit 60
Emptying formation hollow bulb 61, the upper end inwall of described hollow bulb 61 is fixedly connected with the first stage clip
71, the lower end of described first stage clip is fixedly connected on upper cover 20, and the first stage clip 71 is in compression
Shape.
Seeing Fig. 3, be plugged with conductive pole 80 in socket 41, the upper end of described conductive pole 80 is inserted
Be connected in socket 41, lower end is plugged in the electrode tip holder 31 of battery core body 30, conductive pole
Upper end is exposed socket 41 and is fixedly connected with the first cross bar 91, the two of described first cross bar 91
End is separately fixed on two conductive poles 80, lower end, middle part is fixedly connected with the second stage clip 72,
The lower end of described second stage clip 72 is fixedly connected on case 40, the upper end of conductive pole 80 with
Sealing and be fixedly connected with the second cross bar 92 between lid 50, described first cross bar 91 and second is horizontal
Bar 92 is positioned on same level line, and the first cross bar 91 and the second cross bar 92 are in case 40
The height of wall upper end inserts the degree of depth of the electrode tip holder 31 of battery core body 30 more than conductive pole 80,
First cross bar 91 and the second cross bar 92 are made by insulant.
In the present invention, described first stage clip 71 is made up of exotic material, described shell 10,
Upper cover 20, case 40 are made by isolation material.
The present invention is additionally arranged a case 40 on the basis of the battery of existing communication apparatus,
An overheat protection mechanism it is mounted with, during work, when battery core body 30 is overheated in case 40
When causing upper cover 20 overheated, easy frit 60 melted by heat on upper cover 20, when hollow bulb 61
When easy frit 60 part of surrounding all melts, the first stage clip 71 exposes and stress bounce-back, thus
Easily frit 60 pops up together with sealing the connecting rod 51 of lid 50, causes sealing lid 50 bullets
Go out to open the louvre 42 on case 40, meanwhile, the sealing lid 50 at case 40 two ends
Pop up drive the second cross bar 92 and pull up shifting on two conductive poles 80, make conductive pole
The lower end of 80 departs from the electrode tip holder 31 on battery core body 30, thus realizes open circuit, in this process
In, the second stage clip 72 bounce-back drives the first cross bar 91 to pop up, and makes conductive pole 80 more
Leave electrode tip holder 31 rapidly, it is achieved quick break.
In sum, the battery Thermal protection mechanism of the present invention can disconnect automatically when battery is overheated even
Connection circuit, opens heat dissipation channel simultaneously, cools down battery core body, prevents battery explosion, it is ensured that
Production safety.
The battery Thermal protection mechanism of communication apparatus provided by the present invention, only the present invention's is concrete
Embodiment, but protection scope of the present invention is not limited thereto, any is familiar with the art
Technical staff in the technical scope that the invention discloses, can readily occur in change or replace, all
Should contain within scope.Therefore, protection scope of the present invention should be with described power
The protection domain that profit requires is as the criterion.
Claims (6)
1. a battery Thermal protection mechanism for communication apparatus, including rectangle shell (10), on
Lid (20) and battery core body (30), described battery core body (30) is plugged on described shell (10)
In and upwards form two cylindrical electrode tip holders (31), described electrode tip holder exposes upper cover (20)
Upper surface, it is characterised in that: the upper end of shell (10) is fixedly connected with case (40),
Form two sockets (41) in the middle part of the upper surface of described case, two ends form two heat radiations
Hole (42), described socket (41) and louvre (42) are positioned on same level line；Heat radiation
Being plugged with sealing lid (50) in hole (42), the lower end molding of described sealing lid (50) is oriented
The connecting rod (51) extended in case, the lower end of described connecting rod is fixedly connected with an easy frit
(60), the lower end of described easy frit is fixed on upper cover (20), in easy frit (60)
Portion empties formation hollow bulb (61), and the upper end inwall of described hollow bulb is fixedly connected with the first pressure
Spring (71), the lower end of described first stage clip is fixedly connected on upper cover (20), the first stage clip
(71) in compression shape；Conductive pole (80), described conductive pole (80) it is plugged with in socket (41)
Upper end be plugged on socket (41) in, lower end be plugged on the electrode tip holder (31) of battery core body (30)
In, the upper end of conductive pole is exposed socket (41) and is fixedly connected with the first cross bar (91), institute
State the two ends of the first cross bar and be separately fixed at that two conductive poles (80) are upper, lower end, middle part is fixing even
Being connected to the second stage clip (92), the lower end of described second stage clip is fixedly connected on case (40),
It is fixedly connected with the second cross bar (92) between upper end and sealing lid (50) of conductive pole (80).
The battery Thermal protection mechanism of communication apparatus the most according to claim 1, its feature
It is: form on the medial wall of described shell (10) at the bottom of some shelves bars (11), inner sides
Forming several pillars (12) on face, the edge formation of described upper cover (20) has several
Passage (21), the chamber between described passage with described shelves bar (11) is connected.
The battery Thermal protection mechanism of communication apparatus the most according to claim 1 and 2, its
It is characterised by: described first cross bar (71) and the second cross bar (72) are positioned on same level line,
The height of the first cross bar (71) and the second cross bar (72) distance case (40) inwall upper end is big
Insert the degree of depth of the electrode tip holder (31) of battery core body (30) in conductive pole (80), first is horizontal
Bar (71) and the second cross bar (72) are made by insulant.
The battery Thermal protection mechanism of communication apparatus the most according to claim 1, its feature
It is: the described lid (50) that seals, in inverted convex shape, seals lid (50) upper end outer wall
Diameter is less than louvre more than the diameter of the diameter of louvre (42), lower end connecting rod (51)
(42) diameter.
The battery Thermal protection mechanism of communication apparatus the most according to claim 1, its feature
Be: described first stage clip (71) is made up of exotic material, described shell (10), on
Lid (20), case (40) are made by isolation material.
The battery Thermal protection mechanism of communication apparatus the most according to claim 1, its feature
Be: the socket (41) on described case (40) in cylinder, described easy frit (60)
Square shaped, the lower end of described connecting rod (51) is fixed in the upper surface of easy frit (60)
Portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610552543.3A CN106025433B (en) | 2016-07-12 | 2016-07-12 | A kind of battery Thermal protection mechanism of communication apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610552543.3A CN106025433B (en) | 2016-07-12 | 2016-07-12 | A kind of battery Thermal protection mechanism of communication apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106025433A true CN106025433A (en) | 2016-10-12 |
| CN106025433B CN106025433B (en) | 2018-10-09 |
Family
ID=57117726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610552543.3A Active CN106025433B (en) | 2016-07-12 | 2016-07-12 | A kind of battery Thermal protection mechanism of communication apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106025433B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366385A (en) * | 2020-09-30 | 2021-02-12 | 广东广晟通信技术有限公司 | Battery thermal protection mechanism of communication equipment |
| CN112469582A (en) * | 2018-07-25 | 2021-03-09 | 雷诺股份公司 | Battery casing device |
| CN117002283A (en) * | 2023-09-27 | 2023-11-07 | 河北兴润汽车底盘***制造有限公司 | New energy automobile chassis |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146210Y (en) * | 2007-12-25 | 2008-11-05 | 比亚迪股份有限公司 | Battery heat protective equipment and battery including the same |
| CN203746962U (en) * | 2013-10-10 | 2014-07-30 | 王文林 | Thermal protection polar body of power battery |
| CN205944330U (en) * | 2016-07-12 | 2017-02-08 | 佛山市联智新创科技有限公司 | Communications facilities's hot protection mechanism of battery |
-
2016
- 2016-07-12 CN CN201610552543.3A patent/CN106025433B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146210Y (en) * | 2007-12-25 | 2008-11-05 | 比亚迪股份有限公司 | Battery heat protective equipment and battery including the same |
| CN203746962U (en) * | 2013-10-10 | 2014-07-30 | 王文林 | Thermal protection polar body of power battery |
| CN205944330U (en) * | 2016-07-12 | 2017-02-08 | 佛山市联智新创科技有限公司 | Communications facilities's hot protection mechanism of battery |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112469582A (en) * | 2018-07-25 | 2021-03-09 | 雷诺股份公司 | Battery casing device |
| CN112366385A (en) * | 2020-09-30 | 2021-02-12 | 广东广晟通信技术有限公司 | Battery thermal protection mechanism of communication equipment |
| CN112366385B (en) * | 2020-09-30 | 2023-03-17 | 广东广晟通信技术有限公司 | Battery thermal protection mechanism of communication equipment |
| CN117002283A (en) * | 2023-09-27 | 2023-11-07 | 河北兴润汽车底盘***制造有限公司 | New energy automobile chassis |
| CN117002283B (en) * | 2023-09-27 | 2023-11-28 | 河北兴润汽车底盘***制造有限公司 | New energy automobile chassis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106025433B (en) | 2018-10-09 |
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Effective date of registration: 20180830 Address after: 314000 -2, No. 358, new Nanyang Road, Wang Jiang Jing Town, Xiuzhou District, Jiaxing, Zhejiang Applicant after: Jiaxing Xin Fei Ting Plastic Industry Co., Ltd. Address before: 528200 Foshan, Guangdong, Foshan, Guicheng, Nanxia District, Xia Xi Dong ban Wai Industrial Zone Foshan New Technology Co., Ltd. Applicant before: FOSHAN LIANZHI XINCHUANG TECHNOLOGY CO., LTD. |
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Effective date of registration: 20200402 Address after: 102600 Unit 403, Unit 1, 15th Floor, Changfengyuan, Huangcun Town, Daxing District, Beijing Patentee after: Du Lihong Address before: 314000 -2, No. 358, new Nanyang Road, Wang Jiang Jing Town, Xiuzhou District, Jiaxing, Zhejiang Patentee before: Jiaxing Xin Fei Ting Plastic Industry Co.,Ltd. |
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Address after: 241000 economic and Technological Development Zone Phase II, Nanling County, Wuhu City, Anhui Province Patentee after: Du Lihong Address before: 102600 Unit 403, Unit 1, 15th Floor, Changfengyuan, Huangcun Town, Daxing District, Beijing Patentee before: Du Lihong |
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Effective date of registration: 20201127 Address after: 233000 Room 102 north, No.11, No.2 building, liukm Huayuan commercial building, Changqing Township, Yuhui District, Bengbu City, Anhui Province Patentee after: Anhui Licha Information Technology Co., Ltd Address before: 241000 economic and Technological Development Zone Phase II, Nanling County, Wuhu City, Anhui Province Patentee before: Du Lihong |
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