CN111029866A - Plug-in four-way circuit device - Google Patents
Plug-in four-way circuit device Download PDFInfo
- Publication number
- CN111029866A CN111029866A CN201911253626.2A CN201911253626A CN111029866A CN 111029866 A CN111029866 A CN 111029866A CN 201911253626 A CN201911253626 A CN 201911253626A CN 111029866 A CN111029866 A CN 111029866A
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- way
- plug
- pluggable
- clamping
- body module
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- 230000002146 bilateral effect Effects 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 26
- 238000000638 solvent extraction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- 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
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- 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
- H01R13/02—Contact members
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- 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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a plug-in four-way circuit device, which comprises a body module, a terminal plug-in wire, a four-way plug-in elastic piece I, a four-way plug-in elastic piece II and a four-way decorative piece, wherein the terminal plug-in wire is connected with the body module; the four-way pluggable elastic sheet I and the four-way pluggable elastic sheet II are positioned at the upper end of the four-way decorative sheet and are fastened by cold pressing; the body module is provided with a first buckle, a second buckle and a buckle hole; four corners of the left side and the right side of the body module are provided with first buckles; the second buckles are arranged at the four plane angles of the body module in a bilateral symmetry manner and are arranged at equal intervals; the buckling holes are arranged on four planes of the body module and are arranged at equal intervals; the clamping block at the front end of the four-way decorative sheet is matched with the buckling hole of the body module. The invention provides a plug-in four-way circuit device which is mainly characterized in that no bonding wire is needed, the operation is simple and flexible, the electrification is stable, and the use is easy; the device has simple structure and convenient use.
Description
Technical Field
The invention relates to the technical field of pluggable four-way circuit devices, in particular to a pluggable four-way circuit device.
Background
The four-way circuit base on the market needs welding wires, is complex to operate, is instable in power supply and is not easy to use.
Disclosure of Invention
The invention aims to provide a plug-in four-way circuit device which is mainly characterized by no need of bonding wires, simple and flexible operation, stable power-on and easy use.
In order to solve the technical problem, the invention provides a plug-in four-way circuit device which comprises a body module, a terminal plug-in line, a four-way plug-in elastic sheet I, a four-way plug-in elastic sheet II and a four-way decorative sheet; the four-way decorative sheet comprises a clamping block, a limiting block, a second partition plate, a clamping block, a cover plate, a bottom plate and a first partition plate; the bottom plate is arranged on the upper plane of the cover plate, and four corners of the bottom plate are provided with first notches; the clamping blocks are L-shaped and are arranged at four corners of the bottom plate; the second partition plates are arranged on the upper planes of the cover plate and the bottom plate, are symmetrical left and right and are arranged in the middle; the first partition plates are arranged on the upper planes of the cover plate and the bottom plate, are symmetrical in front and back and are arranged in the middle; the clamping blocks are arranged on the front plane of the first partition plate, arranged at the upper end of the bottom plate and symmetrical front and back; the limiting blocks are respectively arranged between the clamping block and the first partition plate, between the clamping block and the second partition plate and on the three planes; the four-way pluggable elastic sheet I and the four-way pluggable elastic sheet II are positioned at the upper end of the four-way decorative sheet and are fastened by cold pressing; a bulge is arranged upwards in the middle of the four-way plug-in elastic piece I and is avoided from the bulge at the cross position of the four-way plug-in elastic piece II; the first four-way pluggable elastic sheet is respectively provided with first extending surfaces towards four planes, the first extending surface of one plane is upwards provided with a bent first clamping ring, and the first extending surfaces of the other three planes are downwards provided with bent second clamping rings; the four-way plug-in type elastic piece II is respectively provided with second extension surfaces towards four planes, a bent third clamping ring is arranged on the second extension surface of one plane, and a bent fourth clamping ring is arranged downwards on the second extension surface of the other three planes; the front end of the terminal plug wire is matched with the first clamping ring and the third clamping ring; the body module is provided with a first buckle, a second buckle and a buckle hole; four corners of the left side and the right side of the body module are provided with first buckles; the second buckles are arranged at the four plane angles of the body module in a bilateral symmetry manner and are arranged at equal intervals; the buckling holes are formed in four planes of the body module and are arranged at equal intervals; the clamping block at the front end of the four-way decorative sheet is matched with the buckling hole of the body module.
Preferably, the upper end of the blocking block is outwards provided with an extending surface, and the lower end angle of the extending surface is provided with a round angle.
Preferably, the upper planes of the four-way pluggable elastic sheet I and the four-way pluggable elastic sheet II are provided with first through grooves, and the first through grooves are matched with the limiting blocks.
Preferably, the first four-way pluggable elastic sheet, the second snap ring at the upper end of the second four-way pluggable elastic sheet and the fourth snap ring are respectively provided with a second through groove.
Preferably, the clamping blocks on two sides of the upper end plane of the four-way decorative sheet are arranged between the first buckle and the second buckle and are clamped.
By adopting the technical scheme, the plug-in four-way circuit device provided by the invention has the main characteristics that no bonding wire is required, the operation is simple and flexible, the electrification is stable, and the use is easy; the pluggable four-way circuit device consists of a four-way decorative sheet, a four-way pluggable elastic sheet I and a four-way pluggable elastic sheet II; respectively installing a four-way plug-in elastic sheet I and a four-way plug-in elastic sheet II on a four-way decorative sheet, positioning through a first through groove, and then pressing the four-way decorative sheet in a cold pressing mode; when the pluggable four-way circuit device is used, the terminal plugging wire terminal is inserted into the first four-way plugging elastic sheet, the second first snap ring of the four-way plugging elastic sheet and the third snap ring, and the length of the plugging wire can be made into a standard length as required: the device 1 can reduce the contact points to the maximum extent, so that the circuit is more stable in power failure; 2. the inner right angle and the outer right angle are not used for special inner right angle and outer right angle overcurrent, and the circuit is simpler, quicker and more convenient to install. 3. The user can assemble the circuit at any time and any place according to the requirement without professional tools such as electric soldering irons; the plug-in four-way circuit device can be used for intelligence development, decoration of walls and floors, production of wall paintings and landscape lamps, and is wide in application and concise in operation; the device has simple structure and convenient use.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a four-way decorative sheet according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a four-way pluggable elastic sheet according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a four-way pluggable elastic sheet according to an embodiment of the present invention.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention is further illustrated with reference to the figures and examples.
As shown in fig. 1, 2, 3, and 4, a plug-in four-way circuit device includes a body module 101, a terminal plug-in line 102, a four-way plug-in spring plate one 103, a four-way plug-in spring plate two 104, and a four-way decorative plate 105;
the four-way decorative sheet 105 comprises a clamping block 501, a limiting block 502, a second partition 503, a clamping block 504, a cover plate 505, a bottom plate 506 and a first partition 507;
the bottom plate 506 is arranged on the upper plane of the cover plate 505, and four corners of the bottom plate 506 are provided with first notches;
the clamping blocks 504 are L-shaped and arranged at four corners of the bottom plate 506, and a first clamping buckle and a second clamping buckle of the body module are clamped between the two clamping blocks;
the second partition plate 503 is arranged on the upper planes of the cover plate 505 and the bottom plate 506, is symmetrical left and right, is arranged in the middle, and is used for partitioning the clamping four-way pluggable elastic piece I103 and the four-way pluggable elastic piece II 104;
the first partition 507 is arranged on the upper planes of the cover plate 505 and the bottom plate 506, is symmetrical front and back, is arranged in the middle, and is used for partitioning the clamping four-way pluggable elastic piece I103 and the four-way pluggable elastic piece II 104;
the clamping blocks 501 are arranged on the front plane of the first partition 507 and are arranged at the upper end of the bottom plate 506 and are symmetrical front and back; the clamping block is used for clamping a buckling hole at the upper end of the body module;
the limiting blocks 502 are respectively arranged between the clamping blocks 504 and the first partition 507, between the clamping blocks and the second partition 503, and on the three planes, and are used for being matched with the first through grooves of the four-way plug-in elastic piece I103 and the four-way plug-in elastic piece II 104;
the four-way plug-in elastic piece I103 and the four-way plug-in elastic piece II 104 are clamped at the upper end of the four-way decorative piece 105 and are fastened by cold pressing;
a bulge is arranged upwards in the middle of the first four-way plug-pull type elastic sheet 103 and is crossed with the second four-way plug-pull type elastic sheet 104 to avoid the position of the bulge, so that the first four-way plug-pull type elastic sheet 103 and the second four-way plug-pull type elastic sheet 104 are prevented from being contacted;
the four-way plug-in type elastic piece I103 is respectively provided with first extending surfaces towards four planes, a bent first clamping ring 301 is arranged upwards from the first extending surface of one plane, and a bent second clamping ring 302 is arranged downwards from the first extending surface of the other three planes;
the four-way plug-in type second elastic sheet 104 is respectively provided with second extension surfaces towards the four planes, a bent third snap ring 401 is arranged on the second extension surface of one plane, and a bent fourth snap ring 402 is arranged below the second extension surface of the other three planes;
after the four-way plug-in elastic piece I and the four-way plug-in elastic piece II are in cross fit, the second clamping ring and the fourth clamping ring are arranged on the three planes in parallel;
the front end of the terminal plug wire 102 is matched with the first clamping ring 301 and the third clamping ring 403;
the body module 101 is provided with a first buckle 201, a second buckle 202 and a buckle hole 203;
four corners of the left side and the right side of the body module 101 are provided with first buckles 201;
the second buckles 202 are arranged at four plane angles of the body module 101 in a bilateral symmetry manner and are arranged at equal intervals;
the fastening holes 203 are arranged on four planes of the body module 101 and are arranged at equal intervals;
the front clamping block 501 of the four-way decorative piece 105 is matched with the buckling hole of the body module 101, and the upper clamping block of the four-way decorative piece is clamped between the first buckle and the second buckle.
Preferably, the upper end of the locking block 501 is outwardly provided with an extending surface, and the lower end angle of the extending surface is provided with a round angle for locking in the locking hole of the locking body module.
Preferably, the upper planes of the four-way plug-in elastic piece I103 and the four-way plug-in elastic piece II 104 are provided with first through grooves, and the first through grooves are matched with the limiting blocks for limiting.
Preferably, a second through groove is formed in each of a second clamping ring and a fourth clamping ring at the upper ends of the four-way plug-in elastic piece I103 and the four-way plug-in elastic piece II 104, so that clamping is facilitated.
Preferably, the two side fixture blocks 504 of the upper plane of the four-way decorative sheet 105 are arranged between the first fastener 201 and the second fastener 202 and are clamped.
When in use: the plug-in four-way circuit device is mainly characterized in that no bonding wire is needed, the operation is simple and flexible, the power-on is stable, and the use is easy; the pluggable four-way circuit device consists of a four-way decorative sheet, a four-way pluggable elastic sheet I and a four-way pluggable elastic sheet II; respectively installing a four-way plug-in elastic sheet I and a four-way plug-in elastic sheet II on a four-way decorative sheet, positioning through a first through groove, and then pressing the four-way decorative sheet in a cold pressing mode; when the pluggable four-way circuit device is used, the terminal plugging wire terminal is inserted into the first four-way plugging elastic sheet, the second first snap ring of the four-way plugging elastic sheet and the third snap ring, and the length of the plugging wire can be made into a standard length as required: the device 1 can reduce the contact points to the maximum extent, so that the circuit is more stable in power failure; 2. the inner right angle and the outer right angle are not used for special inner right angle and outer right angle overcurrent, and the circuit is simpler, quicker and more convenient to install. 3. The user can assemble the circuit at any time and any place according to the requirement without professional tools such as electric soldering irons; the plug-in four-way circuit device can be used for intelligence development, decoration of walls and floors, production of wall paintings and landscape lamps, and is wide in application and concise in operation; the bottom plate is arranged on the upper plane of the cover plate, and four corners of the bottom plate are provided with first notches; the clamping blocks are L-shaped and arranged at four corners of the bottom plate, and a first buckle and a second buckle of the body module are clamped between the two clamping blocks; the second partition plate is arranged on the upper planes of the cover plate and the bottom plate, is bilaterally symmetrical, is arranged in the middle and is used for partitioning the clamping four-way pluggable elastic sheet I and the four-way pluggable elastic sheet II; the first partition plate is arranged on the upper planes of the cover plate and the bottom plate, is symmetrical front and back, is arranged in the middle and is used for partitioning a clamping four-way pluggable elastic sheet I and a four-way pluggable elastic sheet II; the clamping blocks are arranged on the front plane of the first partition plate, arranged at the upper end of the bottom plate and symmetrical front and back; the clamping block is used for clamping a buckling hole at the upper end of the body module; the limiting blocks are respectively arranged between the clamping block and the first partition plate, between the clamping block and the second partition plate, and arranged on the three planes and used for being matched with the first four-way plug-in elastic piece and the second four-way plug-in elastic piece first penetrating groove; the four-way pluggable elastic sheet I and the four-way pluggable elastic sheet II are positioned at the upper end of the four-way decorative sheet and are fastened by cold pressing; the middle of the first four-way plug-in type elastic piece is provided with a bulge upwards and is prevented from contacting with the bulge at the cross position of the second four-way plug-in type elastic piece; the first four-way pluggable elastic sheet is respectively provided with first extending surfaces towards four planes, the first extending surfaces of one plane are upwards provided with bent first clamping rings, and the first extending surfaces of the other three planes are downwards provided with bent second clamping rings; the four-way plug-in type elastic piece II is respectively provided with second extension surfaces towards four planes, a bent third clamping ring is arranged on the second extension surface of one plane, and a bent fourth clamping ring is arranged downwards on the second extension surface of the other three planes; after the four-way plug-in elastic piece I and the four-way plug-in elastic piece II are in cross fit, the second clamping ring and the fourth clamping ring are arranged on the three planes in parallel; the front end of the terminal plug wire is matched with the first snap ring and the third snap ring; the body module is provided with a first buckle, a second buckle and a buckle hole; four corners of the left side and the right side of the body module are provided with first buckles; the second buckles are arranged at the four plane angles of the body module in a bilateral symmetry manner and are arranged at equal intervals; the buckling holes are arranged on four planes of the body module and are arranged at equal intervals; the clamping block at the front end of the four-way decorative sheet is matched with the buckling hole of the body module, and the clamping block at the upper end of the four-way decorative sheet is clamped between the first buckle and the second buckle.
The invention provides a plug-in four-way circuit device which is mainly characterized in that no bonding wire is needed, the operation is simple and flexible, the electrification is stable, and the use is easy; the device has simple structure and convenient use.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (5)
1. A plug-in four-way circuit device is characterized by comprising a body module, a terminal plug-in wire, a four-way plug-in elastic piece I, a four-way plug-in elastic piece II and a four-way decorative piece;
the four-way decorative sheet comprises a clamping block, a limiting block, a second partition plate, a clamping block, a cover plate, a bottom plate and a first partition plate;
the bottom plate is arranged on the upper plane of the cover plate, and four corners of the bottom plate are provided with first notches;
the clamping blocks are L-shaped and are arranged at four corners of the bottom plate;
the second partition plates are arranged on the upper planes of the cover plate and the bottom plate, are symmetrical left and right and are arranged in the middle;
the first partition plates are arranged on the upper planes of the cover plate and the bottom plate, are symmetrical in front and back and are arranged in the middle;
the clamping blocks are arranged on the front plane of the first partition plate, arranged at the upper end of the bottom plate and symmetrical front and back;
the limiting blocks are respectively arranged between the clamping block and the first partition plate, between the clamping block and the second partition plate and on the three planes;
the four-way pluggable elastic sheet I and the four-way pluggable elastic sheet II are positioned at the upper end of the four-way decorative sheet and are fastened by cold pressing;
a bulge is arranged upwards in the middle of the four-way plug-in elastic piece I and is avoided from the bulge at the cross position of the four-way plug-in elastic piece II;
the first four-way pluggable elastic sheet is respectively provided with first extending surfaces towards four planes, the first extending surface of one plane is upwards provided with a bent first clamping ring, and the first extending surfaces of the other three planes are downwards provided with bent second clamping rings;
the four-way plug-in type elastic piece II is respectively provided with second extension surfaces towards four planes, a bent third clamping ring is arranged on the second extension surface of one plane, and a bent fourth clamping ring is arranged downwards on the second extension surface of the other three planes;
the front end of the terminal plug wire is matched with the first clamping ring and the third clamping ring;
the body module is provided with a first buckle, a second buckle and a buckle hole;
four corners of the left side and the right side of the body module are provided with first buckles;
the second buckles are arranged at the four plane angles of the body module in a bilateral symmetry manner and are arranged at equal intervals;
the buckling holes are formed in four planes of the body module and are arranged at equal intervals;
the clamping block at the front end of the four-way decorative sheet is matched with the buckling hole of the body module.
2. The pluggable four-way circuit device according to claim 1, wherein the upper end of the position-locking block is provided with an extending surface outwards, and the lower corner of the extending surface is provided with a round corner.
3. The pluggable four-way circuit device according to claim 1, wherein the first four-way pluggable spring plate and the second four-way pluggable spring plate have first through grooves on upper surfaces thereof, and the first through grooves are matched with the limiting blocks.
4. The pluggable four-way circuit device according to claim 1, wherein the second through grooves are formed in the first four-way pluggable spring piece, the second snap ring at the upper end of the second four-way pluggable spring piece, and the fourth snap ring respectively.
5. The pluggable four-way circuit device according to claim 1, wherein the four-way decorative plate is provided with two side clamping blocks on the upper plane thereof, and the two side clamping blocks are arranged between the first clamping block and the second clamping block and are clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911253626.2A CN111029866B (en) | 2019-12-09 | 2019-12-09 | Plug-in four-way circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911253626.2A CN111029866B (en) | 2019-12-09 | 2019-12-09 | Plug-in four-way circuit device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111029866A true CN111029866A (en) | 2020-04-17 |
| CN111029866B CN111029866B (en) | 2021-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911253626.2A Active CN111029866B (en) | 2019-12-09 | 2019-12-09 | Plug-in four-way circuit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111029866B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6348277B1 (en) * | 1997-10-06 | 2002-02-19 | Reveo, Inc. | Method of and system for producing and supplying electrical power to an electrical power consuming device using a metal-air fuel cell battery (FCB) module and a supply of metal-fuel cards |
| CN2686137Y (en) * | 2004-02-06 | 2005-03-16 | 宏碁股份有限公司 | Connecting port module |
| CN108583135A (en) * | 2018-05-18 | 2018-09-28 | 湖南粤港模科实业有限公司 | A kind of four-way conducting type modularization decorative panel with shrapnel |
| CN109379861A (en) * | 2018-09-21 | 2019-02-22 | 上海光华国瑞物联网信息科技有限公司 | A kind of high reliability network transmitting device |
-
2019
- 2019-12-09 CN CN201911253626.2A patent/CN111029866B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6348277B1 (en) * | 1997-10-06 | 2002-02-19 | Reveo, Inc. | Method of and system for producing and supplying electrical power to an electrical power consuming device using a metal-air fuel cell battery (FCB) module and a supply of metal-fuel cards |
| CN2686137Y (en) * | 2004-02-06 | 2005-03-16 | 宏碁股份有限公司 | Connecting port module |
| CN108583135A (en) * | 2018-05-18 | 2018-09-28 | 湖南粤港模科实业有限公司 | A kind of four-way conducting type modularization decorative panel with shrapnel |
| CN109379861A (en) * | 2018-09-21 | 2019-02-22 | 上海光华国瑞物联网信息科技有限公司 | A kind of high reliability network transmitting device |
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| Publication number | Publication date |
|---|---|
| CN111029866B (en) | 2021-10-19 |
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