CN108616001A - Switching device for projecting apparatus supply line - Google Patents
Switching device for projecting apparatus supply line Download PDFInfo
- Publication number
- CN108616001A CN108616001A CN201810556886.6A CN201810556886A CN108616001A CN 108616001 A CN108616001 A CN 108616001A CN 201810556886 A CN201810556886 A CN 201810556886A CN 108616001 A CN108616001 A CN 108616001A
- Authority
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- China
- Prior art keywords
- module
- shell
- projecting apparatus
- conducting wire
- electrically connected
- 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.)
- Pending
Links
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 20
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 238000002788 crimping Methods 0.000 claims description 17
- 230000035515 penetration Effects 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 241000278713 Theora Species 0.000 claims description 3
- 239000000428 dust Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6675—Structural association with built-in electrical component with built-in electronic circuit with built-in power supply
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
- H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The present invention relates to the auxiliary device fields of house wiring, it is particularly used for the switching device of projecting apparatus supply line, shell including stereo structure, the roof of shell is equipped with 3-phase plug, the bottom wall of shell is equipped with three-phase jack, the first conducting wire is electrically connected between 3-phase plug and three-phase jack, it further include rectification module, Voltage stabilizing module and output module, first conducting wire draws the second conducting wire, second conducting wire is electrically connected rectification module, rectification module is electrically connected Voltage stabilizing module, Voltage stabilizing module is electrically connected output module, the output voltage of output module is 5V, output module includes the connecting terminal of multiple compression joint types, connecting terminal is laid on the adjacent lateral wall of shell.The present invention only need to provide power supply while projecting apparatus obtains power supply by socket to singlechip controller and radio receiving transmitting module, small and simple to the track remodelling range in classroom, reduce the workload of track laying work.
Description
Technical field
The present invention relates to the auxiliary device fields of house wiring, and in particular to the switching for projecting apparatus supply line fills
It sets.
Background technology
With the development of information technology, multi-media classroom has become the essential educational aid of major colleges and universities, multimedia
Classroom is generally equipped with projecting apparatus, projection screen and control computer, when teaching, teacher on control computer operation by the content of courses
By in projector projects to projection screen.It is used for the ease of teachers ' teaching, the control of projecting apparatus passes through wireless transmission signal
It is controlled.
Existing patent CN1197363C discloses a kind of wireless control system and wireless control method of projecting apparatus, this method
By the way that projecting apparatus and portable terminal can be wirelessly connected to two-way communication, projecting apparatus is controlled with portable terminal, is projected
Instrument is communicated by singlechip controller to control radio receiving transmitting module.In addition, by the instruction of portable terminal, portable
Between terminal and projecting apparatus, alternatively, carrying out the mutual friendship of data for projection between the data server and projecting apparatus of network connection
It changes.In turn, send the occasion of data for projection simultaneously in multiple portable terminals, by defined main points only with a portable terminal
Establishment can communications status, or segmentation one projecting apparatus projected picture simultaneously project multiple data for projection.
When laying the control system of existing projecting apparatus, the normal work of radio receiving transmitting module needs installment work power supply,
Indoor power supply is generally 220V alternating currents, and the operating voltage of singlechip controller and wireless transmitter module is 5V, if given
Radio receiving transmitting module rewiring teaches indoor wiring to need big change, and wiring is complicated, and heavy workload.
Invention content
The invention is intended to provide a kind of switching device for projecting apparatus supply line, to solve the wireless of existing projecting apparatus
Transceiver module needs the problem of independent wiring.
The switching device for projecting apparatus supply line in this programme, includes the shell of stereo structure, the top of the shell
Wall is equipped with 3-phase plug, and the bottom wall of the shell is equipped with three-phase jack, is electrically connected between the 3-phase plug and three-phase jack
There is the first conducting wire, further includes rectification module, Voltage stabilizing module and output module, first conducting wire draws the second conducting wire, and described the
Two conducting wires are electrically connected rectification module, and the rectification module is electrically connected Voltage stabilizing module, and the Voltage stabilizing module is electrically connected output module, institute
The output voltage for stating output module is 5V, and the output module includes the connecting terminal of multiple compression joint types, the connecting terminal cloth
It is located on the adjacent lateral wall of shell.
The working principle and beneficial effect of this programme is：In the power supply wiring wiring for carrying out radio receiving transmitting module, projection
The attaching plug of instrument is inserted into three-phase jack, then the power cord of singlechip controller and radio receiving transmitting module is linked into wiring
On terminal, 3-phase plug is inserted into the indoor socket of religion and powers to projecting apparatus, while by the electric main of 220V through over commutation
Module converter at direct current, then by Voltage stabilizing module by DC voltage-stabilizing in 5V, finally by output module be singlechip controller and nothing
Line transceiver module transportation work voltage.
Compared with prior art, this programme is when for singlechip controller and radio receiving transmitting module laying power supply, without single
Solely lay supply lines to singlechip controller and radio receiving transmitting module, only need to while projecting apparatus obtains power supply by socket to
Singlechip controller and radio receiving transmitting module provide power supply, small and simple to the track remodelling range in classroom, reduce circuit paving
If the workload of work.
Further, the shell is hexahedron, hexahedral six side walls hinged formation closed loop circles, the hexahedron
Side walls hinged rotational angle is 300 °, and the rectification module, Voltage stabilizing module and output module are laid in hexahedral same interior
On side wall, the cross section of the hexahedral roof and bottom wall is triangle, the hexahedral bottom wall and roof any side point
It is not fixedly connected at the both ends of same side wall.
After the power cord of radio receiving transmitting module is connected on connecting terminal, by shell being hinged between hexahedron side wall
Place folds, and the triangular prism that three adjacent side walls of hexahedron are mutually arranged to internal formation makes hexahedron at triangular prism, together
When allow hexahedral roof and bottom wall to be located at the both ends of triangular prism, reduce hexahedral volume, while connecting terminal can be rolled over
It is laminated to inside to be hidden, reduces connecting terminal and expose to the open air and gather dust outside, and internally positioned connecting terminal is not easy
Arbitrarily touched, it is safer.
Further, the hexahedron includes three the first side walls and three second sidewalls, the first side wall and the second side
Wall is hinged, and the width of the first side wall is less than the width of second sidewall, and the connecting terminal is arranged on the first side wall.
When folding hexahedral adjacent wall, the smaller the first side wall of width can be folded into second sidewall, be ensured
Connecting terminal is folded into inner space, while connecting terminal being folded into the first side wall and is hidden, reduces terminals
The dust that sub- place gathers prevents the dust in wiring from causing electric spark.
Further, penetration pipe is installed on the inner wall of the shell, first conducting wire passes through penetration pipe.
First conducting wire is threaded through in penetration pipe, can specification conducting wire routing path, avoid conducting wire chaotic, and be avoided that the
One conducting wire is arbitrarily touched and causes electric shock.
Further, sliding slot is offered on the lateral wall of the shell, and crimping plate is sliding combined in the sliding slot, it is described to connect
Line terminals are located at the ora terminalis of crimping plate, the fixed stair-stepping supports block of multistage at the top of the crimping plate, above the sliding slot
Place is threaded with adjusting rod, and the cam that can support dynamic supports block downwards is installed on the adjusting rod, and the adjusting rod is directed away from
The mounting of sliding slot can be sealed by being installed on the end of shell side.
When connecting the power cord of radio receiving transmitting module in connecting terminal, using mounting as the handle for turning adjusting rod
Hand, by adjusting rod toward being turned to enclosure interior, when turning adjusting rod rotation, adjusting rod band moving cam rotates, and cam rotated
Dynamic pressure fishplate bar is supported downwards along the ladders at different levels of supports block in journey, and crimping plate pushes down the power supply of radio receiving transmitting module during moving down
Line, meanwhile, mounting covers connecting terminal, easy to use without tightening connector lug by other tools.
Further, the longitudinal section edge of every grade of ladder of the supports block is in arc line shaped.
Cam rotation process downwards support dynamic pressure fishplate bar when, cam rotation can along every grade of ladder arcwall face it is slowly downward
To dynamic pressure fishplate bar, interim card in crimping plate rotation process is avoided.
Description of the drawings
Fig. 1 is structural schematic diagram of the present invention for the switching device embodiment of projecting apparatus supply line；
Fig. 2 is the structural schematic diagram after Fig. 1 middle casings fold；
Fig. 3 is each side walls hinged structural schematic diagram of Fig. 1 middle casings.
Specific implementation mode
Below by the further details of explanation of specific implementation mode.
Reference numeral in Figure of description includes：Shell 1, roof 2,3-phase plug 3, penetration pipe 4, the first side wall 5,
Two side walls 6, adjusting rod 7, mounting 8, cam 9, sliding slot 10, supports block 11, crimping plate 12, articulated shaft 13, hinged groove 14, hinged set
15。
For the switching device of projecting apparatus supply line, as depicted in figs. 1 and 2：Shell 1 including stereo structure, shell 1
It is installed with penetration pipe 4 on inner wall, 3-phase plug 3 is installed on the roof 2 of shell 1, the specific mounting structure of 3-phase plug 3 uses
The existing plug construction for being inserted into indoor socket, three-phase jack is equipped on the bottom wall of shell 1, and the installation of three-phase jack uses
Jack structure in existing socket, is electrically connected with the first conducting wire between 3-phase plug 3 and three-phase jack, the first conducting wire passes through penetration pipe
4, it avoids that the first conducting wire fractureing when folding hexahedron.
Further include rectification module, Voltage stabilizing module and output module, the first conducting wire draws the second conducting wire, the electrical connection of the second conducting wire
Rectification module, rectification module are electrically connected Voltage stabilizing module, and rectification module uses existing full bridge rectifier, in full bridge rectifier
Each electronic component parameter is designed according to the voltage of output module for 5V by those skilled in the art, after full-bridge rectification
Output end is electrically connected Voltage stabilizing module, and Voltage stabilizing module is realized using existing regulator circuit, each electronic component in regulator circuit
Parameter is designed according to the voltage of output module for 5V by those skilled in the art, and Voltage stabilizing module is electrically connected output module, defeated
The output voltage for going out module is 5V, and output module includes the connecting terminal of multiple compression joint types, the terminals subnumber in the present embodiment
Mesh be subject to singlechip controller and radio receiving transmitting module when powering required power cord number, connecting terminal be laid in 1 phase of shell
On adjacent lateral wall, rectification module and Voltage stabilizing module realize that details are not described herein using existing circuit structure.
Shell 1 is hexahedron, and hexahedron includes three the first side walls 5 and three second sidewalls 6, the width of the first side wall 5
Less than the width of second sidewall 6, connecting terminal is mounted on the first side wall 5, and the first side wall 5 is disposed adjacent, and second sidewall 6 is adjacent
Setting, hexahedral six side walls hinged formation closed loop circles, each side walls hinged rotational angle of hexahedron are 300 °, rectification mould
Block, Voltage stabilizing module and output module are laid on hexahedral same madial wall, and the cross section of hexahedral roof 2 and bottom wall is
Triangle, hexahedral bottom wall and 2 any side of roof are respectively welded at the both ends for being connected to same side wall, i.e. times of roof 2
Meaning is welded on one side at the top end part of hexahedron side wall, and the arbitrary of bottom wall is welded on one side at the bottom end of hexahedron side wall, bottom
Wall and roof 2 are welded at the both ends of the same hexahedron side wall.
Sliding slot 10 is offered on the lateral wall of shell 1, and crimping plate 12 is sliding combined in sliding slot 10,12 lower section of crimping plate
Copper sheet is bonded on 10 slot bottom of sliding slot, connecting terminal is located at the ora terminalis of crimping plate 12, and conducting wire is pressed in terminals by crimping plate 12
Between son and copper sheet, the multistage stair-stepping supports block 11 of welding at the top of plate 12, the longitudinal section edge of the every grade of ladder of supports block 11 are crimped
In arc line shaped, the ladders at different levels of supports block 11 width on direction from the bottom up is gradually reduced, 10 top place threaded connection of sliding slot
There is adjusting rod 7, the cam 9 for having and can supporting dynamic supports block 11 downwards is keyed on adjusting rod 7, adjusting rod 7 is directed away from 1 side of shell
The mounting 8 of sliding slot 10 can be sealed by being welded on end.
As shown in figure 3, installing articulated shaft 13 between hexahedral each side wall, cricoid hinged groove is offered on articulated shaft 13
14, hinged set 15 is welded on the hinged end of hexahedral each side wall, hinged set 15 is threaded through in the hinged groove 14 of articulated shaft 13.
When specifically used, first the attaching plug of projecting apparatus is inserted into the three-phase jack of shell 1, then microcontroller is controlled
The power cord of device and radio receiving transmitting module is put into 12 lower section of crimping plate, by mounting 8 as the handle for turning adjusting rod 7, will adjust
Bar 7 is toward to turning inside shell 1, and when turning adjusting rod 7 and rotating, adjusting rod 7 is rotated with moving cam 9, in 9 rotation process of cam
Dynamic pressure fishplate bar 12 is supported downwards along the ladders at different levels of supports block 11, and crimping plate 12 pushes down singlechip controller and nothing during moving down
The power cord of line transceiver module, meanwhile, mounting 8 covers connecting terminal, without tightening connector lug by other tools, uses
Simple and convenient, 3-phase plug 3 is inserted into the indoor socket of religion and powers to projecting apparatus, while by the electric main of 220V by whole
Flow module is converted to direct current, then by Voltage stabilizing module by DC voltage-stabilizing in 5V, finally by output module be singlechip controller and
Radio receiving transmitting module transportation work voltage.
After supports block 11, which supports down crimping plate 12, pushes down power cord, to rewiring, adjusting rod 7 can be first screwed out, then
Crimping plate 12 is stirred into go back to original position again.
After the power cord of singlechip controller and radio receiving transmitting module is connected on connecting terminal, by shell 1 along six
Hinged place between the body sidewall of face folds, and the smaller the first side wall 5 of width is folded into second sidewall 6, and hexahedron is adjacent
The triangular prism that three side walls are mutually arranged to internal formation, makes hexahedron at triangular prism, while allowing hexahedral roof 2 and bottom
Wall is located at the both ends of triangular prism, reduces hexahedral volume, while can connecting terminal be folded into inside and be hidden, and reduces
Connecting terminal exposes to the open air gathers dust outside, and internally positioned connecting terminal is not easy arbitrarily to be touched, safer, together
When second sidewall 6 width be less than the guarantee of the first side wall 5 and fold into connecting terminal in inner space, while connecting terminal being rolled over
It is laminated in the first side wall 5 and is hidden, reduce the dust gathered at connecting terminal, prevent the dust in wiring from causing electric spark.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific implementation mode can be used for explaining the content of claim.
Claims (6)
1. for the switching device of projecting apparatus supply line, include the shell of stereo structure, the roof of the shell is equipped with three-phase
The bottom wall of plug, the shell is equipped with three-phase jack, and the first conducting wire is electrically connected between the 3-phase plug and three-phase jack,
It is characterized in that：Further include rectification module, Voltage stabilizing module and output module, first conducting wire draws the second conducting wire, and described second
Conducting wire is electrically connected rectification module, and the rectification module is electrically connected Voltage stabilizing module, and the Voltage stabilizing module is electrically connected output module, described
The output voltage of output module is 5V, and the output module includes the connecting terminal of multiple compression joint types, and the connecting terminal is laid
On the adjacent lateral wall of shell.
2. the switching device according to claim 1 for projecting apparatus supply line, it is characterised in that：The shell is six
Face body, hexahedral six side walls hinged formation closed loop circles, the side walls hinged rotational angle of the hexahedron are 300 °, institute
It states rectification module, Voltage stabilizing module and output module to be laid on hexahedral same madial wall, the hexahedral roof and bottom
The cross section of wall is triangle, and the hexahedral bottom wall and roof any side are respectively fixedly connected at the both ends of same side wall
Place.
3. the switching device according to claim 2 for projecting apparatus supply line, it is characterised in that：The hexahedron packet
Three the first side walls and three second sidewalls are included, the first side wall is hinged with second sidewall, and the width of the first side wall is small
In the width of second sidewall, the connecting terminal is arranged on the first side wall.
4. the switching device according to claim 1 for projecting apparatus supply line, it is characterised in that：The shell it is interior
Penetration pipe is installed on wall, first conducting wire passes through penetration pipe.
5. the switching device according to claim 1 for projecting apparatus supply line, it is characterised in that：Outside the shell
Sliding slot is offered on side wall, crimping plate is sliding combined in the sliding slot, and the connecting terminal is located at the ora terminalis of crimping plate, institute
The fixed stair-stepping supports block of multistage at the top of crimping plate is stated, adjusting rod, the adjusting are threaded at the sliding slot top
The cam of dynamic supports block can be supported downwards by being installed on bar, and the adjusting rod, which is directed away from, to be installed on the end of shell side and can seal
The mounting of sliding slot.
6. the switching device according to claim 5 for projecting apparatus supply line, it is characterised in that：Every grade of the supports block
The longitudinal section edge of ladder is in arc line shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556886.6A CN108616001A (en) | 2018-05-31 | 2018-05-31 | Switching device for projecting apparatus supply line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556886.6A CN108616001A (en) | 2018-05-31 | 2018-05-31 | Switching device for projecting apparatus supply line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108616001A true CN108616001A (en) | 2018-10-02 |
Family
ID=63664510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810556886.6A Pending CN108616001A (en) | 2018-05-31 | 2018-05-31 | Switching device for projecting apparatus supply line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108616001A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19709017A1 (en) * | 1996-12-20 | 1998-06-25 | Klauke Gmbh Gustav | Motor powered hand-held press-tool, such as crimping tool |
| CN1866986A (en) * | 2005-05-18 | 2006-11-22 | 三星电子株式会社 | Portable terminal having a plurality of hinged housing sections |
| CN102055117A (en) * | 2009-10-27 | 2011-05-11 | 胜德国际研发股份有限公司 | Socket device and connection method of socket device |
| CN202076646U (en) * | 2011-05-31 | 2011-12-14 | 常州机电职业技术学院 | Multifunctional socket for laptop |
| CN202423803U (en) * | 2011-12-30 | 2012-09-05 | 3M中国有限公司 | Crimping tool |
| US20150017819A1 (en) * | 2008-08-15 | 2015-01-15 | Clevx, Llc | Foldable electrical connector-housing system and method of manufacture thereof |
| CN204668673U (en) * | 2015-06-18 | 2015-09-23 | 国网山东省电力公司潍坊供电公司 | Compact power switching device |
| CN208157726U (en) * | 2018-05-31 | 2018-11-27 | 重庆市盛川荣科技有限责任公司 | Switching device for projector power supply line |
-
2018
- 2018-05-31 CN CN201810556886.6A patent/CN108616001A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19709017A1 (en) * | 1996-12-20 | 1998-06-25 | Klauke Gmbh Gustav | Motor powered hand-held press-tool, such as crimping tool |
| CN1866986A (en) * | 2005-05-18 | 2006-11-22 | 三星电子株式会社 | Portable terminal having a plurality of hinged housing sections |
| US20150017819A1 (en) * | 2008-08-15 | 2015-01-15 | Clevx, Llc | Foldable electrical connector-housing system and method of manufacture thereof |
| CN102055117A (en) * | 2009-10-27 | 2011-05-11 | 胜德国际研发股份有限公司 | Socket device and connection method of socket device |
| CN202076646U (en) * | 2011-05-31 | 2011-12-14 | 常州机电职业技术学院 | Multifunctional socket for laptop |
| CN202423803U (en) * | 2011-12-30 | 2012-09-05 | 3M中国有限公司 | Crimping tool |
| CN204668673U (en) * | 2015-06-18 | 2015-09-23 | 国网山东省电力公司潍坊供电公司 | Compact power switching device |
| CN208157726U (en) * | 2018-05-31 | 2018-11-27 | 重庆市盛川荣科技有限责任公司 | Switching device for projector power supply line |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20191202 Address after: Xiangyu Street Airport Development Zone Road 401120 Chongqing city Yubei District Shuangfeng Bridge No. 15 Building 2 Applicant after: Chongqing Bochuang Intellectual Property Operations Co., Ltd. Address before: 400039 21-5-2, Shiyang Road, Shiqiaopu, Kowloon Po, Chongqing. Applicant before: Chongqing Sheng Chuanrong Technology Co., Ltd. |
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| TA01 | Transfer of patent application right |