CN107359095A - A kind of fusing injection structure being used in outdoor closed injection fuse box - Google Patents
A kind of fusing injection structure being used in outdoor closed injection fuse box Download PDFInfo
- Publication number
- CN107359095A CN107359095A CN201710618625.8A CN201710618625A CN107359095A CN 107359095 A CN107359095 A CN 107359095A CN 201710618625 A CN201710618625 A CN 201710618625A CN 107359095 A CN107359095 A CN 107359095A
- Authority
- CN
- China
- Prior art keywords
- fuse
- sleeve
- conductive
- injection
- fingertip
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/042—General constructions or structure of high voltage fuses, i.e. above 1000 V
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/22—Intermediate or auxiliary parts for carrying, holding, or retaining fuse, co-operating with base or fixed holder, and removable therefrom for renewing the fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/36—Means for applying mechanical tension to fusible member
Abstract
A kind of fusing injection structure being used in outdoor closed injection fuse box, including fuse body and for assembling the fusing injection equipment of fuse body, the fusing injection equipment is made up of Guide spray unit and positioning onunit, the Guide spray unit includes a static finger contact seat and the pilot sleeve being arranged on static finger contact seat, the positioning onunit is made up of a middle button contact base and the conductive wafer for being connected with outlet cable being arranged on middle button contact base, the fuse body includes the dynamic fingertip being slidably arranged in blind hole and the fuse element for being connected to dynamic fingertip end.Fusing injection structure of the present invention, its scope of application is wider, parts are more simplified, topology update grain husk, assembling are easier, using it is more reliable, protection is more reasonable.
Description
Technical field
The present invention relates to fuse technologies field, specially a kind of fusing spray being used in outdoor closed injection fuse box
Penetrate structure.
Background technology
Fuse is simplest protection electrical equipment, and it is used for protecting electrical equipment against the infringement of overload and short circuit current；
By drop type, within doors formula outside mounting condition and purposes selection different type high-tension fuse such as room, for some special equipments
High-tension fuse should select series special；The fuse that we often say is exactly fuse class.Its structure generally comprises cartridge fuse, contact
The parts such as current-carrying part, support insulator and base, the quartz sand particulate for arc extinguishing is filled in cartridge fuse.Molten part is using molten
Wire or sheet metal made of the relatively low metal material of point, it is connected on by protection circuit, the equipment in circuit or circuit
When overloading or breaking down, molten part generates heat and melted, and so as to cut off circuit, reaches the purpose of protection circuit or equipment.City at present
It is by porcelain bushing shell, built-in outlet screw rod, static contact seat, quiet in assembling structure on field in existing outdoor closed fuse
Touch son, stationary contact sub-spring, guide rod, guide pipe, guide pipe support bowl, the middle son, middle tactile stroma, base, bottom, dynamic tactile of touching
Head assembling and outlet cable pour dress composition, wherein, outlet screw rod, static contact seat, stationary contact weld together, and guide pipe is in axial direction
By guide rod and support bowl positioning, support bowl is axially being pressed into by middle tactile stroma stop bit, the tactile stroma in centre with special equipment
In insulator.This traditional fuse structure, the tiny parts being related to are very more, and die sinking, the processing of all parts
Moulding process is very cumbersome, and the assembling between each parts is also as cumbersome, cause the production efficiency of overall fuse by
Serious restriction is arrived, in addition, relying on the connecting stud conducting electric current of end, the water conservancy diversion area of stud in this kind of fuse structure
Limited, the bearing capacity of electric current is extremely limited, therefore traditional fuse assembling structure can not be in the circuit of extra-high voltage heavy current
Middle use.
The content of the invention
In order to solve the above problems, it is used for melting in outdoor closed injection fuse box the purpose of the present invention is to propose to a kind of
Disconnected injection structure, its scope of application is wider, parts are more simplified, topology update is clever, assembling is easier, uses more reliable, protection
It is more reasonable.
The present invention is for the taken technical scheme that solves the above problems：One kind is used for outdoor closed injection fuse box
In fusing injection structure, including fuse body and the fusing injection equipment for assembling fuse body, the fusing spraying machine
Structure is made up of Guide spray unit and positioning onunit, wherein,
The Guide spray unit includes a static finger contact seat and the pilot sleeve being arranged on static finger contact seat, the static finger contact seat one end
Offer blind hole, blind hole internal chamber wall circumferentially offers the first circumferential groove, be embedded with the first circumferential groove one be used for conduction the
One spring touch finger, the aperture of blind hole is threadedly coupled with pilot sleeve to be integrated, and the bottom wall of blind hole is provided with for entering line cable
The bolt of connection；
The positioning onunit by a middle button contact base and be arranged on middle button contact base for being connected with outlet cable
Conductive wafer form, the middle button contact base be a cylindrical-shaped structure fixed seat, middle button contact base center offer for through
And the fixing hole of fixed fuse body, fixing hole inwall circumferentially offer the second circumferential groove, use are embedded with the second circumferential groove
In the second spring fingertip of conduction, the conductive wafer is bolted the top sidewall for being arranged on middle button contact base；
The fuse body include the dynamic fingertip that is slidably arranged in blind hole and be connected to dynamic fingertip end with fuse and pressure
Contracting spring is the fuse element of main components, and the dynamic fingertip turns on the first spring touch finger and by the first spring touch finger
Radial pressure is fixed in blind hole, and fuse element one end is located in pilot sleeve, and the other end passes through the fixation in middle button contact base
Kong Hou, it is fixed on by the radial pressure of second spring fingertip in fixing hole, and the first spring touch finger and second spring fingertip
Radial pressure and the tension force less than the compression spring in fuse element, so that after fuse disruption in fuse element, compression spring
Drive fuse element and dynamic fingertip to spray along pilot sleeve from static finger contact seat to eject.
As preferable, the first guiding element that the fuse element includes turning on dynamic fingertip positioned at end, first is connected to
Preventing arc sleeve on guiding element, it is arranged on the conducting rod being fixedly connected in preventing arc sleeve with the first guiding element, connects in preventing arc sleeve
The second guiding element for being connected on conducting rod one end, the fuse being fixedly connected in preventing arc sleeve with the second guiding element, positioned at preventing arc sleeve
Inside it is connected to the 3rd guiding element of fuse one end, is connected to conductive drawstring, the slip cap pulled out on the 3rd guiding element from preventing arc sleeve
The conductive sleeve being located on preventing arc sleeve and the conductive nut for being used to fix conductive drawstring being arranged on conductive sleeve, compression spring
It is arranged between preventing arc sleeve outer wall and conductive sleeve inwall.
As preferable, the preventing arc sleeve outer wall is circumferentially provided with conductive drawstring for against compression spring
Spacing ring, the compression spring other end rested upon on the bulge loop on conductive sleeve inwall, preventing arc sleeve outer wall with conductive sleeve
Space between wall between spacing ring and bulge loop is the cavity for accommodating compression spring.
As preferable, the dynamic fingertip end is connected conducting with fuse element by a screw nipple, threaded connection
Pipe one end is bonded as one with the preventing arc sleeve on fuse element, and the other end is threadedly coupled with dynamic fingertip and is integrated.
Compared with prior art, the invention has the advantages that：
First, a kind of fusing injection structure being used in outdoor closed injection fuse box of the present invention, using two bullets
Structure of the spring fingertip as conducting transmission, it instead of using the structure type that stud is conductive in traditional fuse, due to stud
Sectional area is smaller, and the current capacity of transmission is extremely limited, and spring touch finger is a peripheral annular helical structure, horizontal compared to stud
Sectional area expands several times, and therefore, the current carrying capacities of spring touch finger also expand several times therewith, has broken away from traditional stud and has passed
The constraint being only used in the cable circuit of relatively low piezoelectricity, low current is led, electric current is conducted using spring touch finger, it can be applied
Bearing capacity with 12kV ~ 15kV high-voltage power transmission, and electric current is more than 5-8 times of conventional fuse, very big to improve
The application of fuse.
Second, a kind of fusing injection structure being used in outdoor closed injection fuse box of the present invention, compared to biography
Unite the embedding structure assembling of fuse, the structure type of attachment of the application has greatly simplified the quantity of parts, each zero
Assembling between part is more flexible and convenient, and the structure of the application is simple directly, also extremely simple without labyrinth, die sinking making
Singly, the defects of having broken away from each parts complex manufacturing technology in conventional fuse, in general, compared to traditional fuse knot
Structure, the structure of the application make fuse production cost reduce a lot, and packaging efficiency is improved a lot, and structure, which is simplified, to be optimized very
More, the bearing capacity of electric current enhances a lot.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of Guide spray unit in the present invention；
Fig. 3 is the structural representation that onunit is positioned in the present invention；
Fig. 4 is the structural representation of fuse body in the present invention；
Marked in figure：1st, static finger contact seat, 101, blind hole, the 102, first circumferential groove, 103, fastening bolt, 2, pilot sleeve, 3,
One spring touch finger, 4, middle button contact base, 401, fixing hole, the 402, second circumferential groove, 5, conductive wafer, 6, second spring fingertip,
7th, fingertip is moved, 701, screw nipple, 8, fuse element, 801, fuse, 802, compression spring, the 803, first guiding element, 804, anti-
Arc sleeve, 805, conducting rod, the 806, second guiding element, the 807, the 3rd guiding element, 808, conductive drawstring, 809, conductive sleeve, 810, conductive
Nut, 811, spacing ring, 812, bulge loop.
Embodiment,
The present invention is elaborated with reference to specific embodiment, the present embodiment is provided premised on technical solution of the present invention
Detailed embodiment and specific operating process.
As illustrated, the present invention is a kind of fusing injection structure being used in outdoor closed injection fuse box, including it is molten
Breaking mechanism and the fusing injection equipment for assembling fuse body, the fusing injection equipment are led by Guide spray unit and positioning
Logical unit is formed, wherein,
The Guide spray unit includes a static finger contact seat 1 and the pilot sleeve 2 being arranged on static finger contact seat 1, the static finger contact seat 1
One end offers blind hole 101, and the internal chamber wall of blind hole 101 circumferentially offers the first circumferential groove 102, is embedded in the first circumferential groove 102
There is one to be used for the first conductive spring touch finger 3, the aperture of blind hole 101 is threadedly coupled with pilot sleeve 2 to be integrated, blind hole 101
Bottom wall is provided with for the fastening bolt 103 with entering line cable connection；
The positioning onunit by a middle button contact base 4 and be arranged on middle button contact base 4 for being connected with outlet cable
Conductive wafer 5 form, the middle button contact base 4 be a cylindrical-shaped structure fixed seat, the middle center of button contact base 4, which offers, to be used for
Pass through and fix the fixing hole 401 of fuse body, the inwall of fixing hole 401 circumferentially offers the second circumferential groove 402, the second circumference
The second spring fingertip 6 for conduction is embedded with groove 402, the conductive wafer 5, which is bolted, is arranged on middle fingertip
The top sidewall of seat 4；
The fuse body include the dynamic fingertip 7 that is slidably arranged in blind hole 101 and be connected through a screw thread pipe 701 be connected to it is dynamic
The fuse element 8 with fuse 801 and compression spring 802 for main components of the end of fingertip 7, the dynamic bullet of fingertip 7 and first
Spring fingertip 3 is turned on and is fixed on by the radial pressure of the first spring touch finger 3 in blind hole 101, and the one end of fuse element 8 is positioned at guiding
In sleeve 2, after the other end passes through the fixing hole 401 in middle button contact base 4, fixed by the radial pressure of second spring fingertip 6
In fixing hole 401, and the first spring touch finger 3 is with the radial pressure of second spring fingertip 6 and less than the compression in fuse element 8
The tension force of spring 802, so that after the fuse 801 in fuse element 8 is broken, compression spring 802 drives fuse element 8 and moved and touches
Refer to 7 and spray ejection along pilot sleeve 2 from static finger contact seat 1.
Above for the present invention basic embodiment, can more than on the basis of be improved further, optimize or limit.
Further, the fuse element 8 includes the first guiding element 803 positioned at the conducting of end and dynamic fingertip 7, is connected to the
Preventing arc sleeve 804 on one guiding element 803, it is arranged on the conducting rod 805 being fixedly connected in preventing arc sleeve 804 with the first guiding element, position
In be connected in preventing arc sleeve 804 second guiding element 806 of the one end of conducting rod 805, in the preventing arc sleeve 804 with the second guiding element
806 fuses 801 being fixedly connected, the 3rd guiding element 807 for being connected in preventing arc sleeve 804 one end of fuse 801, it is connected to
The conductive drawstring 808 pulled out on three guiding elements 807 from preventing arc sleeve 804, the conductive sleeve being slidably located on preventing arc sleeve 804
809 and be arranged on conductive sleeve 809 be used for fix the conductive nut 810 of conductive drawstring 808, compression spring 802 is arranged on
Between the outer wall of preventing arc sleeve 804 and the inwall of conductive sleeve 809.
Further, the outer wall of preventing arc sleeve 804 is circumferentially provided with conductive drawstring 808 and is used for against compression
The spacing ring 811 of spring 802, the other end of compression spring 802 are rested upon on the bulge loop 812 on the inwall of conductive sleeve 809, preventing arc
Space between the outer wall of sleeve 804 and the inwall of conductive sleeve 809 between spacing ring 811 and bulge loop 812 is to be compressed for accommodating
The cavity of spring 802.
Further, described one end of screw nipple 701 is bonded as one with the preventing arc sleeve 804 on fuse element 8, separately
One end is threadedly coupled with dynamic fingertip 7 and is integrated.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is described as above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when a little change or modification made using technology contents described above
It is the equivalent embodiment of equivalent variations, as long as being the technical spirit according to the present invention without departing from technical solution of the present invention content
Any simple modification, equivalent change and modification made to above example, in the range of still falling within technical solution of the present invention.
Claims (4)
1. it is a kind of be used for outdoor closed injection fuse box in fusing injection structure, including fuse body and for assemble fuse
The injection equipment of mechanism, it is characterised in that：The injection equipment is made up of Guide spray unit and positioning onunit, wherein,
The Guide spray unit includes a static finger contact seat（1）Be arranged on static finger contact seat（1）On pilot sleeve（2）, this is quiet
Button contact base（1）One end offers blind hole（101）, blind hole（101）Internal chamber wall circumferentially offers the first circumferential groove（102）, first
Circumferential groove（102）In be embedded with one and be used for the first conductive spring touch finger（3）, blind hole（101）Aperture and pilot sleeve（2）Spiral shell
Line connects as one, blind hole（101）Bottom wall be provided with for the fastening bolt with entering line cable connection（103）；
The positioning onunit is by a middle button contact base（4）Be arranged on middle button contact base（4）On be used for and outlet cable
The conductive wafer of connection（5）Form, the middle button contact base（4）For the fixed seat of a cylindrical-shaped structure, middle button contact base（4）Center
Offer for passing through and fixing the fixing hole of fuse body（401）, fixing hole（401）Inwall circumferentially offers the second circumference
Groove（402）, the second circumferential groove（402）In be embedded with for conduction second spring fingertip（6）, the conductive wafer（5）Pass through
Bolt is fixedly installed on middle button contact base（4）Top sidewall；
The fuse body includes slidably being arranged on blind hole（101）Interior dynamic fingertip（7）Be connected to dynamic fingertip（7）End
Fuse element（8）, the dynamic fingertip（7）With the first spring touch finger（3）Turn on and pass through the first spring touch finger（3）Radial pressure
It is fixed on blind hole（101）It is interior, fuse element（8）One end is located at pilot sleeve（2）Interior, the other end passes through middle button contact base（4）In
Fixing hole（401）Afterwards, second spring fingertip is passed through（6）Radial pressure be fixed on fixing hole（401）It is interior, and the first spring touches
Refer to（3）With second spring fingertip（6）Radial pressure and less than fuse element（8）Interior compression spring（802）Tension force so that
Fuse element（8）Interior fuse（801）After fracture, compression spring（802）Drive fuse element（8）And dynamic fingertip（7）From quiet
Button contact base（1）It is middle along pilot sleeve（2）Injection ejection.
2. a kind of fusing injection structure being used in outdoor closed injection fuse box as claimed in claim 1, its feature exist
In：The fuse element（8）Including positioned at end and dynamic fingertip（7）First guiding element of conducting（803）, be connected to the first guiding element
（803）On preventing arc sleeve（804）, be arranged on preventing arc sleeve（804）The interior conducting rod being fixedly connected with the first guiding element（805）、
Positioned at preventing arc sleeve（804）Inside it is connected to conducting rod（805）Second guiding element of one end（806）, positioned at preventing arc sleeve（804）It is interior with
Second guiding element（806）The fuse being fixedly connected（801）, positioned at preventing arc sleeve（804）Inside it is connected to fuse（801）The 3rd of one end
Guiding element（807）, be connected to the 3rd guiding element（807）On from preventing arc sleeve（804）The conductive drawstring of middle pull-out（808）, slide be arranged
In preventing arc sleeve（804）On conductive sleeve（809）And it is arranged on conductive sleeve（809）On be used for fix conductive drawstring（808）
Conductive nut（810）, compression spring（802）It is arranged on preventing arc sleeve（804）Outer wall and conductive sleeve（809）Between inwall.
3. a kind of fusing injection structure being used in outdoor closed injection fuse box as claimed in claim 2, its feature exist
In：The preventing arc sleeve（804）Outer wall is close to conductive drawstring（808）Place, which is circumferentially provided with, to be used for against compression spring（802）
Spacing ring（811）, compression spring（802）The other end rests upon conductive sleeve（809）Bulge loop on inwall（812）On, prevent
Arc sleeve（804）Outer wall and conductive sleeve（809）It is located at spacing ring between inwall（811）With bulge loop（812）Between space for use
In receiving compression spring（802）Cavity.
4. a kind of fusing injection structure being used in outdoor closed injection fuse box as claimed in claim 1, its feature exist
In：The dynamic fingertip（7）End passes through a screw nipple（701）With fuse element（8）Connection conducting, screw nipple
（701）One end and fuse element（8）On preventing arc sleeve（804）It is bonded as one, the other end and dynamic fingertip（7）It is threaded to
One.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110022049.7A CN112750672A (en) | 2017-07-26 | 2017-07-26 | Fusing injection structure for outdoor closed type injection fuse |
| CN201710618625.8A CN107359095B (en) | 2017-07-26 | 2017-07-26 | Fusing injection structure for outdoor closed type injection fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710618625.8A CN107359095B (en) | 2017-07-26 | 2017-07-26 | Fusing injection structure for outdoor closed type injection fuse |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110022049.7A Division CN112750672A (en) | 2017-07-26 | 2017-07-26 | Fusing injection structure for outdoor closed type injection fuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107359095A true CN107359095A (en) | 2017-11-17 |
| CN107359095B CN107359095B (en) | 2021-10-26 |
Family
ID=60286144
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710618625.8A Active CN107359095B (en) | 2017-07-26 | 2017-07-26 | Fusing injection structure for outdoor closed type injection fuse |
| CN202110022049.7A Withdrawn CN112750672A (en) | 2017-07-26 | 2017-07-26 | Fusing injection structure for outdoor closed type injection fuse |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110022049.7A Withdrawn CN112750672A (en) | 2017-07-26 | 2017-07-26 | Fusing injection structure for outdoor closed type injection fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN107359095B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111863564A (en) * | 2020-07-09 | 2020-10-30 | 刘兴华 | Fuse tube with long service life |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202332762U (en) * | 2011-11-08 | 2012-07-11 | 山西省电力公司长治供电分公司 | All-insulation outdoor ejection fuse |
| CN204155895U (en) * | 2014-10-27 | 2015-02-11 | 山东泰开电力开关有限公司 | A kind of fuse conducting structure being applicable to ring main unit |
| US9281152B2 (en) * | 2012-12-05 | 2016-03-08 | Eaton Corporation | Fuse with carbon fiber fusible element |
| CN205881850U (en) * | 2016-05-20 | 2017-01-11 | 尚欢迎 | Totally closed expulsion fuse |
| CN106601567A (en) * | 2016-12-15 | 2017-04-26 | 浙江鲁高电力科技有限公司 | Outdoor all-insulation enclosed-type injection fuse |
| CN206225310U (en) * | 2016-09-30 | 2017-06-06 | 唐恩(厦门)电气有限公司 | A kind of isolation enclosed type jet fuse |
| CN207199557U (en) * | 2017-07-26 | 2018-04-06 | 河南平开科技有限公司 | A kind of fusing injection structure being used in outdoor closed injection fuse box |
-
2017
- 2017-07-26 CN CN201710618625.8A patent/CN107359095B/en active Active
- 2017-07-26 CN CN202110022049.7A patent/CN112750672A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202332762U (en) * | 2011-11-08 | 2012-07-11 | 山西省电力公司长治供电分公司 | All-insulation outdoor ejection fuse |
| US9281152B2 (en) * | 2012-12-05 | 2016-03-08 | Eaton Corporation | Fuse with carbon fiber fusible element |
| CN204155895U (en) * | 2014-10-27 | 2015-02-11 | 山东泰开电力开关有限公司 | A kind of fuse conducting structure being applicable to ring main unit |
| CN205881850U (en) * | 2016-05-20 | 2017-01-11 | 尚欢迎 | Totally closed expulsion fuse |
| CN206225310U (en) * | 2016-09-30 | 2017-06-06 | 唐恩(厦门)电气有限公司 | A kind of isolation enclosed type jet fuse |
| CN106601567A (en) * | 2016-12-15 | 2017-04-26 | 浙江鲁高电力科技有限公司 | Outdoor all-insulation enclosed-type injection fuse |
| CN207199557U (en) * | 2017-07-26 | 2018-04-06 | 河南平开科技有限公司 | A kind of fusing injection structure being used in outdoor closed injection fuse box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111863564A (en) * | 2020-07-09 | 2020-10-30 | 刘兴华 | Fuse tube with long service life |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107359095B (en) | 2021-10-26 |
| CN112750672A (en) | 2021-05-04 |
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Effective date of registration: 20201029 Address after: 518034 No. 6003, Shennan Avenue, Futian District, Shenzhen City, Guangdong Province Applicant after: Li Liping Address before: The northern New District of Pingdingshan city Henan province 467000 Yuying Road No. 1 hospital Applicant before: HENAN PINGKAI TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230925 Address after: No.18a, 18b, Gaoli fifth road, Tangxia Town, Dongguan City, Guangdong Province, 523000 Patentee after: DONGGUAN TLC ELECTRONIC TECHNOLOGY CO.,LTD. Address before: No. 6003, Shennan Avenue, Futian District, Shenzhen City, Guangdong Province Patentee before: Li Liping |