CN111384606A - Plug connector of illuminating lamp - Google Patents
Plug connector of illuminating lamp Download PDFInfo
- Publication number
- CN111384606A CN111384606A CN201811619915.5A CN201811619915A CN111384606A CN 111384606 A CN111384606 A CN 111384606A CN 201811619915 A CN201811619915 A CN 201811619915A CN 111384606 A CN111384606 A CN 111384606A
- Authority
- CN
- China
- Prior art keywords
- wire
- fixedly connected
- plug
- base
- bayonet joint
- 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
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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
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- 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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- 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
- H01R13/44—Means for preventing access to live contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a lighting lamp plug, which belongs to the field of lighting lamps and adopts the technical scheme that the lighting lamp plug comprises a lamp interface, a plug, a power plug and a wire for connecting the plug and the power plug, wherein the lower end surface of the plug is tightly attached to a base, the left side and the right side of the upper end surface of the base are fixedly connected with conductive copper cores, one end of each conductive copper core is fixedly connected with a connecting wire, the other end of each conductive copper core is clamped with a binding post, the binding posts are fixedly connected with the wire, and the inner side wall of the base is fixedly connected with a sealing panel. The terminal connection outside through the inside bayonet joint makes the wire more convenient with being connected of bayonet joint, and makes the wire more firm with being connected of bayonet joint, strengthens the leakproofness of bayonet joint in the sealed caulking groove on the sealing panel embedding top cap on through the base, prevents through the rubber circle of the inseparable laminating of wire casing inner wall that outside rainwater from by wire casing infiltration bayonet joint inside, has further strengthened the leakproofness of bayonet joint.
Description
Technical Field
The invention relates to the field of illuminating lamps, in particular to an illuminating lamp plug.
Background
The lighting lamp plug is a connector for connecting a lamp and a power supply, an old-fashioned lighting lamp generally uses a lamp holder with a terminal or a spiral lamp holder connecting power line, a novel lighting lamp generally uses a plug wire connecting power supply matched with the model of the lighting lamp, the lighting lamp or the plug is not required to be rotated during installation, the plug is directly embedded into a power supply hole of the lighting lamp and can be connected with the power supply, the installation is more convenient, and the replacement and maintenance of the lighting lamp are more facilitated.
However, the binding connection is usually used to the one end of the existing lighting lamp plug connection power line, the conductive core in the power line is fixed with the lighting lamp plug in a kinking mode, the insulating tape is wound at the interface, the connection stability is poor, the installation is difficult, and when the outdoor temporary installation and use of the lighting lamp are connected, the lighting lamp plug is easily corroded by rainwater, the existing plug cannot prevent external rainwater from entering the power line, and the potential safety hazard is large.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the lighting lamp plug connector, the connection between a wire and the plug connector is more convenient and faster by connecting the wiring terminal in the plug connector with an external power supply wire, the connection between the wire and the plug connector is more stable, the wire is prevented from loosening or shaking, the sealing performance of the plug connector is enhanced by embedding a sealing panel on a base into a sealing caulking groove on a top cover, external rainwater is prevented from permeating into the plug connector from a wire groove by a rubber ring tightly attached to the inner wall of the wire groove, and the sealing performance of the plug connector is further enhanced.
The technical purpose of the invention is realized by the following technical scheme: an illuminating lamp plug comprises a lamp interface, a plug connector, a power plug and a wire for connecting the plug connector and the power plug, wherein one end of a connecting wire is fixedly connected to the rear part of the lamp interface, the other end of the connecting wire is fixedly connected with the plug connector, a base is tightly attached to the lower end face of the plug connector, conductive copper cores are fixedly connected to the left side and the right side of the upper end face of the base, one end of each conductive copper core is fixedly connected with the connecting wire, a binding post is clamped to the other end of each conductive copper core, the binding post is fixedly connected with the wire, a sealing panel is fixedly connected to the inner side wall of the base, a top cover is fixedly connected to the left side of the upper part of the plug connector through bolts, a sealing caulking groove is fixedly connected to the outer side of the lower end face of the top cover, the sealing caulking groove is connected with, the lower end face of the power plug is fixedly connected with a secondary binding post, and the secondary binding post is fixedly connected with a lead through a branch line.
Further, the up end of secondary terminal closely laminates the bolt, the spring has been cup jointed to the lateral wall lower part of bolt, the lateral wall upper portion swing joint of bolt has the insulating sleeve, the insulating sleeve runs through the power plug outer wall, just the bottom surface of insulating sleeve closely laminates with the up end of spring.
Further, the wire casing has been seted up to the left side wall of sealing panel, the opening area of wire casing equals the cross sectional area of wire, the right side outer wall of wire casing closely laminates there is the rubber circle, just the inside trompil aperture of rubber circle is less than the cross sectional diameter of wire.
Furthermore, the wire is kept away from the one end of power plug and is run through wire casing and rubber circle, and closely laminates with the inner wall of rubber circle, and the wire passes through two spinal branchs line respectively with terminal fixed connection.
Further, the equal fixedly connected with fixed column in lower terminal surface both sides of top cap, the equal fixedly connected with spacing post in the left and right sides of base, just spacing post is connected with the fixed column block.
Furthermore, inside spacing post embedding fixed column, the top cap closely laminated with the base, just the crack department of top cap and base closely laminated has waterproof stripe.
In conclusion, the invention has the following beneficial effects:
1. this kind of light bayonet joint, inside at the bayonet joint is provided with two electrically conductive copper cores, connecting wire and lamps and lanterns interface fixed connection are passed through to the one end of electrically conductive copper core, the other end joint of electrically conductive copper core has the terminal, when connecting the light wire, insert the terminal with the outside wire, insert the power supply hole on the light with the lamps and lanterns interface again and can switch on the light power, avoid direct ligature fixed connection line and external power line, make the wiring of power cord bayonet joint more firm, and the installation of being more convenient for, prevent power cord electric leakage or contact failure damage light.
2. This kind of light bayonet joint, be provided with the top cap on the bayonet joint base, take off the top cap when connecting external wire so that the installation wire, the top cap bottom is provided with sealed caulking groove, base upper portion is provided with the supporting sealed panel with it, sealed caulking groove cup joints on sealed panel during the installation top cap, the crack department between sealed panel and sealed caulking groove closely laminates has waterproof adhesive tape, prevent that the rainwater from getting into the bayonet joint from the seam crossing of top cap and base, guarantee the operating stability of bayonet joint, and inside external wire got into the bayonet joint by the wire casing, the caulking groove inner wall closely laminates has the rubber circle, and the outer wall of wire is hugged closely to the inside trompil of rubber circle, further prevent that the outside rainwater of bayonet joint from getting into the bayonet joint, the leakproofness of bayonet joint has been strengthened.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a detail view of the connector of the present invention;
FIG. 3 is a detail of the top cover of the present invention;
fig. 4 is a detailed view of the power plug of the present invention.
In the figure, 1, a lamp interface; 101. a connecting wire; 2. a plug-in connector; 201. a base; 202. a sealing panel; 2021. a wire slot; 203. a rubber ring; 204. a conductive copper core; 205. a limiting column; 206. a binding post; 207. a waterproof adhesive tape; 3. a top cover; 301. fixing a column; 302. sealing the caulking groove; 4. a wire; 401. a branch line; 5. a power plug; 501. a bolt; 502. an insulating sleeve; 503. a secondary wiring terminal; 504. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-2, an illumination lamp plug comprises a lamp interface 1, a plug 2, a power plug 5, and a wire 4 for connecting the plug 2 and the power plug 5, wherein the rear portion of the lamp interface 1 is fixedly connected with one end of a connecting wire 101, the other end of the connecting wire 101 is fixedly connected with the plug 2, the lower end surface of the plug 2 is tightly attached with a base 201, the left and right sides of the upper end surface of the base 201 are fixedly connected with a conductive copper core 204, one end of the conductive copper core 204 is fixedly connected with the connecting wire 101, the other end of the conductive copper core 204 is clamped with a terminal 206, the terminal 206 is fixedly connected with the wire 4, the inner side wall of the base 201 is fixedly connected with a sealing panel 202, the upper left side of the plug 2 is fixedly connected with a top cover 3 through a bolt, the outer side of the lower end surface of the top cover 3 is fixedly connected, both ends of the wire 4 are provided with branch lines 401, the lower end face of the power plug 5 is fixedly connected with a secondary terminal 503, the secondary terminal 503 is fixedly connected with the wire 4 through the branch lines 401, when the lamp interface 1 is connected into the illuminating lamp, the branch lines 401 at the tail end of the external wire 4 are respectively connected with the terminal 206 inside the plug-in connector 2, the connecting wire 101 is prevented from being directly connected with the wire 4, so that the connection between the plug-in connector 2 and the external wire 4 is more stable and the installation is more convenient, after the connection of the wire 4 is completed, when the top cover 3 is fixed, the sealing caulking groove 302 at the bottom of the top cover 3 is sleeved in the sealing panel 202 at the upper part of the base 201, the sealing performance of the plug-in connector 2 is enhanced, the external rainwater is prevented from permeating into the plug-in connector 2, one end of the wire 4 far away from the plug 5 is, the use is more convenient, and pull out power connection 5 and can directly take off bayonet joint 2 and wire 4 for bayonet joint 2 is portable more.
Example 2
Referring to fig. 1-2 and fig. 4, an illumination lamp plug is substantially the same as that in embodiment 1, further, an upper end surface of a secondary terminal 503 is tightly attached with a plug 501, a spring 504 is sleeved on a lower portion of an outer side wall of the plug 501, an insulating sleeve 502 is movably connected to an upper portion of the outer side wall of the plug 501, the insulating sleeve 502 penetrates through an outer wall of a power plug 5, a bottom surface of the insulating sleeve 502 is tightly attached with an upper end surface of the spring 504, when the plug 501 on the power plug 5 is inserted into a socket jack, the insulating sleeve 502 is retracted into the power plug 5 by extrusion of the outer wall of the socket, stable connection between the power plug 5 and the power socket is ensured, when the power plug 5 is pulled out, the spring 504 pushes the insulating sleeve 502 to extend out by self elasticity, an operator is prevented from mistakenly touching an electrified plug wire 501 when pulling out the power plug.
The wire casing 2021 has been seted up to the left side wall of seal panel 202, the open area of wire casing 2021 equals the cross sectional area of wire 4, the right side outer wall of wire casing 2021 has closely laminated rubber circle 203, and the inside trompil aperture of rubber circle 203 is less than the cross sectional diameter of wire 4, because the right side outer wall of wire casing 2021 has closely laminated rubber circle 203, and the inside trompil aperture of rubber circle 203 is less than the cross sectional diameter of wire 4, when wire 4 gets into bayonet joint 2 by wire casing 2021 in, rubber circle 203 makes the inside trompil of wire 4 outer wall hug closely rubber circle 203 by self elasticity extrusion wire 4, avoid outside rainwater in by wire casing 2021 gap infiltration bayonet joint 2, guarantee bayonet joint 2's operation stable.
Wire 4 keeps away from power plug 5's one end and runs through wire casing 2021 and rubber circle 203, and closely laminate with the inner wall of rubber circle 203, and wire 4 respectively with terminal 206 fixed connection through two spinal branchs line 401, the wire gets into behind the bayonet joint 2 by wire casing 2021, in two terminal wiring lines 401 of wire 4 fixed respectively in two terminal 206 of bayonet joint 2, provide the power for the light, use terminal 206 connecting wire 4 to strengthen wire and 2's stability of being connected of bayonet joint, avoided wire 4 from kneck disconnection or not hard up condition, guarantee the electric current stability of bayonet joint 2.
Example 3
Referring to fig. 2-3, an illumination lamp plug is substantially the same as that in embodiment 1, further, two sides of the lower end surface of the top cover 3 are fixedly connected with fixing posts 301, two sides of the left side and the right side of the base 201 are fixedly connected with limiting posts 205, the limiting posts 205 are connected with the fixing posts 301 in a clamping manner, when the top cover 3 and the base 201 are fixed, the two fixing posts 301 at the lower end of the top cover 3 are respectively clamped into the two limiting posts 205 at the upper part of the base 201, so that the top cover 3 is prevented from shifting when being buckled downwards, and the top cover 3 is ensured to be tightly.
Inside spacing 205 embedding fixed column 301, top cap 3 and base 201 closely laminate, and top cap 3 and the close fitting of crack department of base 201 have joint strip 207, the seam crossing life of top cap 3 side and the upper portion side of base 201 produces the clearance easily after wearing and tearing, because the close fitting of crack department of top cap 3 and base 201 has joint strip 207, avoided outside dust and rainwater to get into the inside condition of bayonet joint 2 by the clearance between top cap 3 and the base 201, guarantee bayonet joint 2's leakproofness.
The working principle is as follows: firstly, a lamp interface 1 is connected into a power interface of an illuminating lamp, two branch lines 401 at one end of a lead 4 are respectively connected into two binding posts 206 on a base 201, the lead 4 enters a plug connector 2 from a wire groove 2021, the inner wall of a rubber ring 203 is extruded to be tightly attached to the outer wall of the lead 4 to prevent external rainwater from entering the plug connector 2 from the wire groove 2021, a top cover 3 is closed after the installation is finished, a fixed post 301 is buckled into a limit post 205, meanwhile, a sealing embedded groove 302 is clamped into a sealing panel 202 to ensure the sealing property of the plug connector 2, a waterproof rubber strip 207 is tightly attached to a gap between the top cover 3 and the base 201 to further enhance the sealing property of the plug connector 2, the two branch lines 401 at one end of the lead 4 far away from the plug connector 2 are respectively fixed on a secondary binding post 503, when a plug pin 501 on the power plug 5 is inserted into a socket hole, an, one end of the spring 504 is against the fixed secondary wiring terminal 503, and the other end is tightly attached to the insulating sleeve 502 and pushes the insulating sleeve to extend out, so that an operator is prevented from mistakenly touching the electrified plug 501 when pulling out the power plug 5.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides an illumination lamp bayonet joint, includes lamps and lanterns interface (1), bayonet joint (2) and power plug (5), and is used for connecting wire (4) of bayonet joint (2) and power plug (5), its characterized in that: the rear part of the lamp interface (1) is fixedly connected with one end of a connecting wire (101), the other end of the connecting wire (101) is fixedly connected with the plug connector (2), the lower end face of the plug connector (2) is tightly attached with a base (201), the left side and the right side of the upper end face of the base (201) are fixedly connected with conductive copper cores (204), one end of each conductive copper core (204) is fixedly connected with the connecting wire (101), the other end of each conductive copper core (204) is clamped with a binding post (206), the binding post (206) is fixedly connected with a lead (4), the inner side wall of the base (201) is fixedly connected with a sealing panel (202), the left side of the upper part of the plug connector (2) is fixedly connected with a top cover (3) through a bolt, the outer side of the lower end face of the top cover (3) is fixedly connected with a sealing caulking groove (302), and the sealing caulking groove (302, branch lines (401) are arranged at two ends of the lead (4), a secondary binding post (503) is fixedly connected to the lower end face of the power plug (5), and the secondary binding post (503) is fixedly connected with the lead (4) through the branch lines (401).
2. An illumination lamp plug according to claim 1, characterized in that: the up end of secondary terminal (503) closely laminates bolt (501), spring (504) have been cup jointed to the lateral wall lower part of bolt (501), the lateral wall upper portion swing joint of bolt (501) has insulating sleeve (502), insulating sleeve (502) run through power plug (5) outer wall, just the bottom surface of insulating sleeve (502) closely laminates with the up end of spring (504).
3. An illumination lamp plug according to claim 1, characterized in that: a wire groove (2021) is formed in the left side wall of the sealing panel (202), the opening area of the wire groove (2021) is equal to the cross-sectional area of the wire (4), a rubber ring (203) is tightly attached to the right side outer wall of the wire groove (2021), and the aperture of an inner opening of the rubber ring (203) is smaller than the cross-sectional diameter of the wire (4).
4. An illumination lamp plug according to claim 3, characterized in that: wire casing (2021) and rubber circle (203) are run through to wire (4) keep away from the one end of power plug (5), and closely laminate with the inner wall of rubber circle (203), and wire (4) are respectively with terminal (206) fixed connection through two spinal branchs line (401).
5. An illumination lamp plug according to claim 1, characterized in that: the equal fixedly connected with fixed column (301) in lower terminal surface both sides of top cap (3), the equal fixedly connected with spacing post (205) in the left and right sides of base (201), just spacing post (205) are connected with fixed column (301) block.
6. An illumination lamp plug according to claim 5, characterized in that: inside spacing post (205) embedding fixed column (301), top cap (3) and base (201) closely laminate, just top cap (3) and the crack department of base (201) closely laminate have joint strip (207).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619915.5A CN111384606A (en) | 2018-12-28 | 2018-12-28 | Plug connector of illuminating lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619915.5A CN111384606A (en) | 2018-12-28 | 2018-12-28 | Plug connector of illuminating lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111384606A true CN111384606A (en) | 2020-07-07 |
Family
ID=71214646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811619915.5A Pending CN111384606A (en) | 2018-12-28 | 2018-12-28 | Plug connector of illuminating lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111384606A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607998A (en) * | 2021-09-06 | 2021-11-05 | 广东电网有限责任公司 | Electric energy meter installation base and ammeter case |
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| CN201440528U (en) * | 2009-07-13 | 2010-04-21 | 康舒科技股份有限公司 | Direct-current power supply plug capable of sensing plugging state and connector |
| CN205560413U (en) * | 2016-02-18 | 2016-09-07 | 广东奥科特新材料科技股份有限公司 | Novel LED lamp area |
| CN206361482U (en) * | 2016-12-29 | 2017-07-28 | 东莞市润根电器有限公司 | A kind of RGB light bar simple controller |
| CN208189484U (en) * | 2017-01-29 | 2018-12-04 | 宝华电器(深圳)有限公司 | Earth-fault current relay |
| CN208209455U (en) * | 2018-04-08 | 2018-12-07 | 黄河科技学院 | A kind of waterproof construction for communication wiring box |
| CN208226146U (en) * | 2018-04-09 | 2018-12-11 | 徐升春 | Anti- electric shock plug |
-
2018
- 2018-12-28 CN CN201811619915.5A patent/CN111384606A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000125450A (en) * | 1998-10-19 | 2000-04-28 | Yazaki Corp | Waterproof structure of electrical junction box |
| CN201310845Y (en) * | 2008-12-10 | 2009-09-16 | 朱卫星 | Water-proof festival decoration lamp controller case |
| CN201440528U (en) * | 2009-07-13 | 2010-04-21 | 康舒科技股份有限公司 | Direct-current power supply plug capable of sensing plugging state and connector |
| CN205560413U (en) * | 2016-02-18 | 2016-09-07 | 广东奥科特新材料科技股份有限公司 | Novel LED lamp area |
| CN206361482U (en) * | 2016-12-29 | 2017-07-28 | 东莞市润根电器有限公司 | A kind of RGB light bar simple controller |
| CN208189484U (en) * | 2017-01-29 | 2018-12-04 | 宝华电器(深圳)有限公司 | Earth-fault current relay |
| CN208209455U (en) * | 2018-04-08 | 2018-12-07 | 黄河科技学院 | A kind of waterproof construction for communication wiring box |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607998A (en) * | 2021-09-06 | 2021-11-05 | 广东电网有限责任公司 | Electric energy meter installation base and ammeter case |
| CN113607998B (en) * | 2021-09-06 | 2023-11-03 | 广东电网有限责任公司 | Electric energy meter installation base and electric meter box |
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Application publication date: 20200707 |