CN207765716U - A kind of electric coupler component, unit connector component and electronic equipment - Google Patents
A kind of electric coupler component, unit connector component and electronic equipment Download PDFInfo
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- CN207765716U CN207765716U CN201820058193.XU CN201820058193U CN207765716U CN 207765716 U CN207765716 U CN 207765716U CN 201820058193 U CN201820058193 U CN 201820058193U CN 207765716 U CN207765716 U CN 207765716U
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- terminal
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- inspection terminal
- insulator
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Abstract
The utility model embodiment is related to connector technique field field, discloses a kind of connector assembly and unit connector component, wherein electric coupler component, including electric connector, nut assembly；Electric connector includes terminal, and electric connector further includes circuit board；Nut assembly includes inspection terminal, insulator and nut；Insulator and terminal accommodating are in nut, and insulator separates nut and terminal；Terminal, inspection terminal and nut-welding are opened a way between circuit board, nut and terminal, and circuit line is arranged on circuit board, and when nut and inspection terminal forming circuit, circuit board can be formed with preset signals.Through the above way, during hot plug, the utility model embodiment can control whether electric coupler component transmits preset signals by the connection relation between the nut and inspection terminal of electric coupler component, to avoid electric coupler component from occurring spark or electric arc in hot plug.
Description
Technical field
The utility model embodiment is related to connector technique field more particularly to a kind of electric coupler component, combination connection
Device assembly and electronic equipment.
Background technology
Hot plug (hot-plugging or HotSwap) plugs, and warm connection function is exactly that user is allowed to be not related to
System is closed, taken out in the case of not cutting off the power and replaces the components such as disk, power supply or the board damaged, to improve system
Timely recovery capability, autgmentability and flexibility etc. to disaster, such as some disk mirroring systems towards high-end applications all may be used
To provide the warm connection function of disk.
The connection type of the components such as traditional disk, power supply or board and system board is generally by connector assembly
Form connects, and connector assembly includes electric coupler component and intermateable connector component, and electric coupler component includes terminal and spiral shell
Mother, intermateable connector component include adaptation terminal and bolt, and terminal is connected with terminal adaptation is adapted to convey electric signal
And high current, it is reliably connected by the cooperation offer of nuts and bolt.
But inventor has found that the prior art has the following problems during realizing the application：Occur signal with
Hot plug is carried out when high current mixed transport, spark occurs in the contact area that may cause terminative connector and Male end connector
Situations such as electric discharge, serious the problem of may causing connector assembly damage.Therefore, it is necessary to design a kind of new connection
Device assembly is to solve the above problems.
Utility model content
The utility model embodiment is mainly solving the technical problems that provide a kind of electric coupler component, unit connector group
Part and electronic equipment, the electric coupler component, unit connector component and electronic equipment will not during hot plug
Generate spark or electric arc.
In order to solve the above technical problems, the technical solution that the utility model embodiment uses is：On the one hand, this practicality
A kind of novel electric coupler component of offer, including electric connector, nut assembly；The electric connector includes terminal, described to be electrically connected
It further includes circuit board to connect device；The nut assembly includes inspection terminal, insulator and nut；The inspection terminal and the spiral shell
Mother is metal material, and the insulator is contained in the inspection terminal in the nut, and the insulator will be described
Nut is separated with the inspection terminal；The inspection terminal and the nut-welding in the circuit board, the nut and
It opens a way between the inspection terminal, circuit line is set on the circuit board, when the nut and inspection terminal forming circuit,
The circuit board can be formed with preset signals.
In some embodiments, the inspection terminal includes pars contractilis, holding parts and mounting portion；The pars contractilis connection
In one end of the holding parts, one end of the mounting portion is connected to the other end of the holding parts far from the pars contractilis, institute
The other end for stating mounting portion is fixed on the circuit board；The insulator wraps up the holding parts, and the pars contractilis is located at described
Nut interior, and the pars contractilis is exposed to except the insulator.
In some embodiments, the nut is provided with connecting pin, and the circuit board is provided with welding hole, the connecting pin
It is contained in the welding hole, and the connecting pin is welded in circuit board.
In some embodiments, a part for the insulator is contained in nut, and another part of the insulator is sudden and violent
It is exposed to outside nut.
On the other hand, the utility model provides a kind of unit connector component, including electric coupler component as described above
With intermateable connector component, the intermateable connector component includes intermateable connector and the bolt positioned at intermateable connector side；
The bolt includes bolt column made of metal and the nuts for being connected to the bolt column；The intermateable connector includes suitable
Matching terminal；It is preset deeply when the intermateable connector and the electric connector grafting, and when the bolt column is screwed into the nut
When spending, the bolt column is contacted with the inspection terminal, and the nut is connected with the inspection terminal by bolt column, the spiral shell
The female and described inspection terminal forming circuit, the adaptation terminal and the terminal start to transmit the preset signals.
In some embodiments, when the bolt, which is screwed into the nut, to be fully compressed to the inspection terminal, or/
With, when the nuts offsets with the intermateable connector and the terminal is contacted with bolt column, the bolt column and institute
It is fully locked to state nut；
In some embodiments, the bolt column stretches into the length of the nut more than the adaptation terminal and the terminal
The length to contact with each other.
In some embodiments, when the bolt column and the fully locked nut, inspection terminal compression away from
From the length to contact with each other less than the adaptation terminal and the terminal.
In some embodiments, when the bolt column and the inspection terminal detach, the terminal and the nut do not connect
It connects, the preset signals stop transmission, and the terminal and the adaptation terminal are still in contact condition.
In some embodiments, the terminal includes high current terminal, and the adaptation terminal includes adaptation high current terminal；
The high current terminal with it is described be adapted to high current terminal adaptation connection after, when the bolt is screwed into the nut to the bolt
When being in contact with the inspection terminal, the high current terminal transmits high current with the high current terminal that is adapted to；The bolt
When column and the inspection terminal detach, the inspection terminal and the nut are not connected, and unit connector component stops passing
Defeated high current, the terminal and adaptation terminal are still in contact condition at this time.
Finally, the utility model also provides a kind of electronic equipment, and the electronic equipment includes electric connector as described above
Component or unit connector component as described above.
The advantageous effect of the utility model embodiment is：The case where being different from the prior art, the utility model embodiment
A kind of electric coupler component, including electric connector, nut assembly；The electric connector includes terminal, and the electric connector also wraps
Include circuit board；The nut assembly includes inspection terminal, insulator and nut；The insulator is with the terminal accommodating in institute
It states in nut, and the insulator separates the nut and the terminal；The terminal, the inspection terminal and institute
It states nut-welding to open a way between the circuit board, the nut and the terminal, circuit line is set on the circuit board, when described
When nut and the inspection terminal are formed into a loop, the circuit board can be formed with preset signals.By the above-mentioned means, in hot plug
During, the utility model embodiment can by the connection relation between the nut and inspection terminal of electric coupler component come
Whether control electric coupler component transmits preset signals, to avoid electric coupler component from occurring spark or electricity in hot plug
Arc.
Description of the drawings
One or more embodiments are illustrated by the picture in corresponding attached drawing, these are exemplary
Illustrate not constitute the restriction to embodiment, the element with same reference numbers label is expressed as similar member in attached drawing
Part, unless there are special statement, composition does not limit the figure in attached drawing.
Fig. 1 is a kind of diagrammatic cross-section for unit connector component that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram of the electric coupler component of unit connector component shown in FIG. 1；
Fig. 3 is the dismantling schematic diagram of electric coupler component shown in Fig. 2；
Fig. 4 is the diagrammatic cross-section of the nut assembly of electric coupler component shown in Fig. 3；
Fig. 5 is the structural schematic diagram of the inspection terminal of nut assembly shown in Fig. 4；
Fig. 6 is the structural schematic diagram of the insulator of nut assembly shown in Fig. 4；
Fig. 7 is the structural schematic diagram of the nut of nut assembly shown in Fig. 4；
Fig. 8 is the structural schematic diagram of the intermateable connector component of unit connector component shown in FIG. 1；
Fig. 9 is the structural schematic diagram of another state of unit connector component shown in FIG. 1；
Figure 10 is the diagrammatic cross-section of another state of unit connector component shown in FIG. 1；
Figure 11 is the diagrammatic cross-section in another section of unit connector component shown in Fig. 10；
Figure 12 is the partial enlarged view at the A of unit connector component shown in Figure 11.
Specific implementation mode
For the ease of understanding the utility model, with reference to the accompanying drawings and detailed description, the utility model is carried out more
Detailed description.It should be noted that when element is expressed " being fixed on " another element, it can be directly in another element
Upper or placed in the middle there may be one or more therebetween elements.When an element is expressed " connection " another element, it can
To be directly to another element or may exist one or more elements placed in the middle therebetween.This specification is used
Term " vertical ", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of technical staff in art field is identical.Art used in the description of the utility model in this specification
Language is intended merely to the purpose of description specific embodiment, is not intended to limitation the utility model.Art used in this specification
Language "and/or" includes any and all combinations of one or more relevant Listed Items.
Referring to Fig. 1, providing a kind of unit connector component 100 for the utility model embodiment.Unit connector component
100 include electric coupler component 10 and intermateable connector component 20.Wherein, electric coupler component 10 and intermateable connector component 20
It is detachably connected.
Also referring to Fig. 2 and Fig. 3, above-mentioned electric coupler component 10 comprising electric connector 102, at least one nut
Component 104 and circuit board 106.Wherein, electric connector 102 and each nut assembly 104 are connect with circuit board 106.
Above-mentioned electric connector 102 comprising electrical connector housing 1022 and the end for being contained in electrical connector housing 1022
Son 1024.Wherein, electrical connector housing 1022 is fixedly connected on circuit board 106, and terminal 1024 is fixedly connected on circuit board 106,
And terminal 1024 is electrically connected with circuit board 106.
Above-mentioned terminal 1024 includes high current terminal and electric signal terminal, wherein high current terminal can be used for and the company of adaptation
It connects device assembly 20 and transmits high current, electric signal terminal can be used for and 20 transmission telecommunications number of intermateable connector component.
It should be noted that when electric coupler component and intermateable connector component carry out hot plug, if electric connector group
It is easy terminal still in transmission high current between part and intermateable connector component, then when plugging and is easy production with intermateable connector inter-module
Light a fire flower or electric arc.For example, high current is mainly used for providing power supply for the equipment that connector assembly connects, electric signal is used to connect
Connect the control signal of the equipment of device assembly connection.
Referring to Fig. 4, above-mentioned nut assembly 104 comprising inspection terminal 1042, nut 1044 and insulator 1046.
Wherein, inspection terminal 1042 is fixed on insulator 1046, and specifically, insulator 1046 wraps up inspection terminal 1042, insulator
1046 are contained in nut 1044, and insulator 1046 separates inspection terminal 1042 and nut 1044.
In the present embodiment, the quantity of nut assembly 104 is two, and two nut assemblies 104 are located at electric connector
102 opposite both sides.
Also referring to Fig. 3 to Fig. 5, above-mentioned inspection terminal 1042, for flexible terminal, the substantially L of inspection terminal 1042
Font, inspection terminal 1042 include pars contractilis 10422, holding parts 10424 and mounting portion 10426.Wherein, pars contractilis 10422
It is connected to one end of holding parts 10424, one end of mounting portion 10426 is connected to holding parts 10424 far from the another of pars contractilis 10422
The other end of one end, mounting portion 10426 is fixed on circuit board 106, and pars contractilis 10422 can be relative to 10424 axis of holding parts
To movement.
The substantially cylinder of holding parts 10424, both ends are separately connected mounting portion 10426 and pars contractilis 10424, holding parts
10424 are contained in insulator 1046.Wherein, insulator 1046 wrap up holding parts 10424, specifically, holding parts 10424 with it is exhausted
The side that edge body 1046 contacts is equipped with the locating piece 10428 around holding parts 10424, correspondingly, insulator 1046 with it is solid
The inner wall for holding the contact of portion 10424 is equipped with the locating slot 10462 of annular, and locating slot 10462 is adapted with locating piece 10428.
The substantially cylinder of pars contractilis 10422, pars contractilis 10422 is located inside nut 1044, and pars contractilis 10422 is revealed in
Except insulator 1046.Wherein, pars contractilis 10422 can be relative to 10424 elastic telescopic of holding parts, for example, pars contractilis 10422 is received
Holding parts 10424 are dissolved in, compression spring (not shown) is equipped between pars contractilis 10422 and holding parts 10424.
Also referring to Fig. 4 and Fig. 6, above-mentioned insulator 1046, part of it is contained in nut 1044, insulator 1046
Another part be exposed to outside nut 1044, insulator 1046 and nut 1044 are interference fitted.Specifically, insulator 1046 with
The side that nut 1044 contacts is equipped with convex block 10464.
Also referring to Fig. 3, Fig. 4 and Fig. 7, above-mentioned nut 1044 is equipped with the first mounting hole 10442 and second and installs
Hole 10444.Wherein, the first mounting hole 10442 is connected with the second mounting hole 10444, and insulator 1046 is contained in the first installation
Hole 10442, and insulator 1046 and the first mounting hole 10442 are interference fitted, and the pars contractilis 10422 of inspection terminal 1042 is also received
It is dissolved in the first mounting hole 10442；Second mounting hole 10444 is threaded hole, and the second mounting hole 10444 is used for and intermateable connector group
Part 20 is reliably connected.
The side of nut 1044 is equipped with connecting pin 10446, and correspondingly, circuit board 106 is equipped with welding hole 1062.Wherein,
Connecting pin 10446 is contained in welding hole 1062, and connecting pin 10446 is welded in circuit board 106.
Please refer to Fig. 2 and Fig. 3, foregoing circuit plate 106 is equipped with circuit line (not shown), and circuit line (not shown) is by spiral shell
The connecting pin 10446 of mother 1044 is connect with the mounting portion 10426 of inspection terminal 1042, and nut 1044 is to open with inspection terminal 1042
Line state, when nut 1044, which is connect with inspection terminal 10426 by conducting medium, to be conducted, nut 1044 and inspection terminal
1042 forming circuits, circuit board 106 are formed with preset signals.
Circuit board 106 is equipped with control circuit (not shown), when control circuit (not shown) receives preset signals, allows to hold
Preset signals are transmitted between son 1024 and intermateable connector component 20.
It please refers to Fig.1 and Fig. 8, above-mentioned intermateable connector component 20 is detachably connected with electric coupler component 10.It is suitable
Mating connector component 20 includes intermateable connector 202 and bolt 204.Wherein, bolt 204 is relative to 202 activity of intermateable connector
Connection.
Above-mentioned intermateable connector 202 includes intermateable connector shell 2022, adaptation terminal 2024 and transmission line 2026.Its
In, adaptation terminal 2024 is contained in intermateable connector shell 2022, and adaptation terminal 2022 is electrically connected with transmission line 2026.
Also referring to Figure 10 to Figure 12, adaptation terminal 2024 includes being adapted to high current terminal and adaptation electric signal terminal,
Adaptation high current terminal can be used for transmitting high current with high current terminal, and adaptation electric signal terminal can be used for passing with electric signal terminal
Power transmission signal.Specifically, after electric connector 102 is adapted to connection with intermateable connector 202, when bolt column 2042 is screwed into nut
1044, and when the pars contractilis 10422 of bolt column 2042 and inspection terminal 1042 contacts, high current terminal be adapted to high current terminal
Transmit high current.
Intermateable connector shell 2022 is equipped with accepting hole 20222, and accepting hole 20222 is for accommodating bolt 204.
Above-mentioned bolt 204 comprising bolt column 2042 made of metal and the nuts for being connected to bolt column 2042
2044.Wherein, bolt column 2042 is contained in accepting hole 20222, and bolt column 2042 excessively coordinates with accepting hole 20222, nuts
2042 size is more than the size of accepting hole 20222, and bolt column 2042 is used for, on the one hand, is screwed into the spiral shell of electric coupler component 10
The second mounting hole 10444 of mother 1044, so that electric coupler component 10 and intermateable connector component 20 are reliably connected.Another party
Face, bolt column 2042 are screwed into the nut 1044 of electric coupler component 10 to the pars contractilis of bolt column 2042 and inspection terminal 1042
10422 contacts make nut 1044, inspection terminal 1042 form closed circuit.
It is made it is understood that inspection terminal, nut and bolt column are conductive material, conductive material such as copper,
Metals such as iron etc..
Nuts 2044 is non-metallic material, on the one hand, user can be opposite by bolt column 2042 by nuts 2044
It is screwed into or back-outs in nut 1044, on the other hand, nuts 2044 is formed with intermateable connector shell 2022 and limited, bolt column
2042 when being screwed into 1044 predetermined depth of nut, and nuts 2044 supports intermateable connector shell 2022, so that electric coupler component
10 are reliably connected with the formation of intermateable connector component 20.
Said combination connector assembly 100 is during hot plug：
Referring to Fig. 1, after electric connector 102 is adapted to connection with intermateable connector 202, the pars contractilis of inspection terminal 1042
10422 with bolt column 2042 not in contact with, terminal 1024 be adapted to 2024 transmission telecommunications numbers of terminal, do not transmit high current.
Referring to Fig. 9, bolt column 2042 is screwed into the pars contractilis 10422 and bolt column 2042 of 1044 inspection terminal 1042 of nut
Contact, nut 1044 and inspection terminal 1042 are connected by bolt column 2042, and nut 1044 and inspection terminal 1042 are formed into a loop,
Electric connector 102 starts to transmit preset signals with intermateable connector 202, and control circuit (not shown) receives preset signals, permits
Perhaps high current terminal transmits high current with high current terminal is adapted to, and in the present embodiment, bolt column 2042 is screwed into the length of nut 1044
The length that the high current terminal for the adaptation high current terminal and terminal 1024 that degree is more than adaptation terminal 2024 contacts with each other.
0 to Figure 12 is please referred to Fig.1, bolt column 2042 is screwed into nut 1044 to 10422 quilt of pars contractilis of inspection terminal 1042
When compressing completely, the intermateable connector shell 1022 of nuts 2044 and intermateable connector 202 offsets and inspection terminal
1042 pars contractilis 10422 is contacted with bolt column 2042, and bolt column 2042 and nut 1044 are fully locked.When 2042 He of bolt column
When nut 1044 is fully locked, the distance that inspection terminal 1042 compresses is less than adaptation high current terminal and the end of adaptation terminal 2024
The length that the high current terminal of son 1024 contacts with each other.
When the pars contractilis 10422 of bolt column 2042 and inspection terminal 1042 detaches, the pars contractilis 10422 of inspection terminal 1042
Not connected with nut 1044, preset signals stop transmission, and terminal 1024 and adaptation terminal 2024 are still in contact condition.
Compared with prior art, during hot plug, by between the nut and inspection terminal of electric coupler component
Connection relation control whether electric coupler component transmits preset signals, to avoiding electric coupler component from going out in hot plug
Existing spark or electric arc.
In addition, during bolt column is detached with nut, may be unclamped between electric connector and intermateable connector, but
The distance of inspection terminal compression is less than the length that adaptation terminal and terminal contact with each other, and ensure that terminal is being separated with terminal is adapted to
When, terminal and adaptation terminal between do not form preset signals, to both do not transmit high current.
The utility model embodiment also provides a kind of electronic equipment, and electronic equipment includes electric coupler component as described above
Or connector assembly as described above.
The foregoing is merely the embodiments of the utility model, and it does not limit the scope of the patent of the present invention, all
It is equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly or indirectly uses
In other related technical areas, it is equally included in the patent within the scope of the utility model.
Claims (11)
1. a kind of electric coupler component, including electric connector, nut assembly；The electric connector includes terminal, which is characterized in that
The electric connector further includes circuit board；
The nut assembly includes inspection terminal, insulator and nut；The inspection terminal and the nut are metal material
Matter, the insulator is contained in the inspection terminal in the nut, and the insulator detects the nut with described
Terminal is surveyed to separate；The inspection terminal and the nut-welding are in the circuit board, the nut and the inspection terminal
Between open a way, circuit line is set on the circuit board, when the nut and the inspection terminal are formed into a loop, the circuit board meeting
It is formed with preset signals.
2. electric coupler component according to claim 1, which is characterized in that the inspection terminal includes pars contractilis, fixing
Portion and mounting portion；
The pars contractilis is connected to one end of the holding parts, and one end of the mounting portion is connected to the holding parts far from described
The other end of the other end of pars contractilis, the mounting portion is fixed on the circuit board；
The insulator wraps up the holding parts, and the pars contractilis is located at the nut interior, and the pars contractilis is exposed to institute
It states except insulator.
3. electric coupler component according to claim 2, which is characterized in that the nut is provided with connecting pin, the electricity
Road plate is provided with welding hole, and the connecting pin is contained in the welding hole, and the connecting pin is welded in circuit board.
4. electric coupler component according to claim 3, which is characterized in that a part for the insulator is contained in nut
Interior, another part of the insulator is exposed to outside nut.
5. a kind of unit connector component, including Claims 1-4 any one of them electric coupler component and intermateable connector
Component, the intermateable connector component include intermateable connector and the bolt positioned at intermateable connector side；
The bolt includes bolt column made of metal and the nuts for being connected to the bolt column；
The intermateable connector includes adaptation terminal；
It is characterized in that,
When the intermateable connector and the electric connector grafting, and when the bolt column is screwed into the nut predetermined depth
When, the bolt column is contacted with the inspection terminal, and the nut is connected with the inspection terminal by bolt column, the nut
It is formed into a loop with the inspection terminal, the adaptation terminal and the terminal start to transmit the preset signals.
6. unit connector component according to claim 5, which is characterized in that when the bolt is screwed into the nut to institute
When stating inspection terminal and being fully compressed, or/and, when the nuts and the intermateable connector offset and the terminal and spiral shell
When hitching post contacts, the bolt column and the nut are fully locked.
7. unit connector component according to claim 6, which is characterized in that the bolt column stretches into the length of the nut
Degree is more than the length that the adaptation terminal and the terminal contact with each other.
8. unit connector component according to claim 6, which is characterized in that when the bolt column and the nut are complete
When locking, the distance of the inspection terminal compression is less than the length that the adaptation terminal and the terminal contact with each other.
9. unit connector component according to claim 6, which is characterized in that the bolt column and the inspection terminal point
From when, the terminal and the nut are not connected, and the preset signals stop transmission, and the terminal and the adaptation terminal are still located
In contact condition.
10. according to claim 6 to 9 any one of them unit connector component, which is characterized in that the terminal includes big electricity
Terminal is flowed, the adaptation terminal includes adaptation high current terminal；The high current terminal is adapted to high current terminal adaptation with described
After connection, when the bolt, which is screwed into the nut, to be in contact to the bolt with the inspection terminal, the high current terminal
High current is transmitted with the high current terminal that is adapted to；
When the bolt column and the inspection terminal detach, the inspection terminal and the nut are not connected, and combine connection
Device assembly stops transmission high current, and the terminal and adaptation terminal are still in contact condition at this time.
11. a kind of electronic equipment, which is characterized in that the electronic equipment includes the electrical connection of Claims 1-4 any one of them
Device assembly or claim 5 to 10 any one of them unit connector component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820058193.XU CN207765716U (en) | 2018-01-12 | 2018-01-12 | A kind of electric coupler component, unit connector component and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820058193.XU CN207765716U (en) | 2018-01-12 | 2018-01-12 | A kind of electric coupler component, unit connector component and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207765716U true CN207765716U (en) | 2018-08-24 |
Family
ID=63184301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820058193.XU Active CN207765716U (en) | 2018-01-12 | 2018-01-12 | A kind of electric coupler component, unit connector component and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207765716U (en) |
-
2018
- 2018-01-12 CN CN201820058193.XU patent/CN207765716U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP02 | Change in the address of a patent holder |
Address after: 518107 Derun Electronic Industrial Park, 269 Huitong Road, Fenghuang street, Guangming District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Deren Electronic Co., Ltd. Address before: 518107, Guangdong province Shenzhen Guangming New District Guangming Street, No. thirty-three Road, 9 Electronic Industrial Park run Patentee before: Shenzhen Deren Electronic Co., Ltd. |