EP4215810A1 - A low voltage lamp head assembly - Google Patents

A low voltage lamp head assembly Download PDF

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Publication number
EP4215810A1
EP4215810A1 EP23150442.4A EP23150442A EP4215810A1 EP 4215810 A1 EP4215810 A1 EP 4215810A1 EP 23150442 A EP23150442 A EP 23150442A EP 4215810 A1 EP4215810 A1 EP 4215810A1
Authority
EP
European Patent Office
Prior art keywords
head assembly
lamp head
low
socket
voltage lamp
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
Application number
EP23150442.4A
Other languages
German (de)
French (fr)
Inventor
Jun Yang
Kai Xu
Hui Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Self Electronics Co Ltd
Self Electronics Germany GmbH
Original Assignee
Ningbo Self Electronics Co Ltd
Self Electronics Germany GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Self Electronics Co Ltd, Self Electronics Germany GmbH filed Critical Ningbo Self Electronics Co Ltd
Publication of EP4215810A1 publication Critical patent/EP4215810A1/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor
    • 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
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • 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
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F21V15/015—Devices for covering joints between adjacent lighting devices; End coverings

Definitions

  • the present invention relates to the technical field of lighting equipment, in particular, a low-voltage lamp head assembly.
  • DC plugs can be used for the plug connectors used for the power supply of lamps, but the male plugs of DC plugs are usually used in reality. The male plug has a very small size, and it is easy to insert it wrongly. There is a potential safety hazard in the socket hole of the mains power supply. In addition, the DC plug generally cannot meet the requirements regarding waterproofness.
  • the present invention provides a low-voltage lamp head assembly to solve the above technical problems.
  • a low-voltage lamp head assembly comprises an outer cover connected to the lamp body and a DC socket set on the jack of the outer cover, said outer cover is provided with a sealing ring on the inner side, said sealing ring is provided with a sealing inner ring mating with said DC socket, said sealing inner ring is provided with an expanding ring on the side close to said outer cover.
  • the assembly further comprises a bracket provided on the inside of said sealing ring, said bracket being connected to said outer cover and clamping said sealing ring.
  • said expanding ring is provided with a sealing rib.
  • said sealing ring is provided with an annular injection groove around the outer circumference.
  • said DC socket comprises.
  • said DC socket further comprises a fixing seat provided at the end of said socket body.
  • the plurality of conductive clips are integrally formed, and said conductive reed has a first resilient electrical contact set on the end of said fixing seat.
  • said conductive post has a second resilient electrical contact set on the end of said fixing seat.
  • said conductive post is formed from two inward bent sides of a metal sheet.
  • said fixing seat is provided with a fixing post extending into said mounting cavity, and said plurality of conductive clips are provided around said fixing post.
  • the technical effects of the present invention are as follows:
  • the DC male plug with the low-voltage lamp head assembly of the present invention will be provided with an outer sleeve outside the existing DC male plug in order to comply with VDE requirements, and the expanding ring of the present invention can be sealed with this outer sleeve to achieve waterproofness in a simple and reliable way.
  • the low-voltage lamp head assembly of this embodiment includes an outer cover 100 connected to the lamp body and a DC socket 200 provided on the jack 101 of the outer cover 100, said outer cover 100 is provided with a sealing ring 300 on the inner side, said sealing ring 300 is provided with a sealing inner ring 301 mating with said DC socket 200, said sealing inner ring 301 is provided with an expanding ring 302 on the side close to said outer cover 100.
  • this implementation with the DC male plug 500 comprises an outer sleeve 501 set outside the existing DC male plug to increase the diameter to prevent misinsertion.
  • the expanding ring 302 seals the outer sleeve 501, which provides waterproofness in a simple and reliable way.
  • the embodiment further comprises a bracket 400 provided on the inside of said sealing ring 300, said bracket 400 being connected to the outer cover 100 and clamping said sealing ring 300.
  • said bracket 400 is fixedly connected to the outer cover 100 by screws.
  • the expanding ring 302 is provided with a sealing rib 303, which can be provided as a continuous ring or at intervals to further enhance the sealing effect.
  • the outer circumference of said seal 300 is provided with an annular injection groove 304.
  • the above structure can further improve the sealing effect.
  • said DC socket 200 comprises: a socket body 201, a conductive reed 202 and a conductive post 203.
  • the socket body 201 has a mounting cavity 2011;
  • the conductive reed 202 is provided on said socket body 201 and includes a plurality of conductive clips 2021 arranged annularly on the inner wall of said mounting cavity 2011;
  • the conductive post 203 is provided on said socket body 201 and is located in the middle of said mounting cavity 2011.
  • said DC socket 200 further comprises a fixing seat 204 provided at the end of said socket body 201 to facilitate the installation of the conductive reed 202 and the conductive post 203.
  • the plurality of conductive clips 2021 is formed integrally, and said conductive reed 201 has a first resilient electrical contact 2022 set on the end of said fixing seat 204.
  • said conductive post 203 has a second resilient electrical contact 2031 set on the end of said fixing seat 204.
  • said conductive post 203 is formed from two inward bent sides of a metal sheet.
  • said fixing seat 204 is provided with a fixing post 2041 extending into said mounting cavity 2011, and said plurality of conductive clips 2021 are provided around said fixing post 2041.
  • the DC socket shown uses socket and reed integrated molding, which significantly improves the reliability and stability of contact.
  • the advantages of DC socket include: 1. Reducing the number of parts and lowering the cost of the product; 2. Improving the reliability and stability of the product and enhancing the quality of the product; 3. Ensure product consistency, improve production efficiency; 4. Standardize and generalize the design of the kamp head assembly.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

The present invention discloses a low-voltage lamp head assembly, comprising an outer cover (100) connected to a lamp body and a DC socket (200) provided on a jack (101) of the outer cover (100), said outer cover (100) is provided with a sealing ring (300) on the inner side, said sealing ring (300) is provided with a sealing inner ring (301) mating with said DC socket (200), said sealing inner ring (301) is provided with an expanding ring (302) on the side close to said outer cover (100). By providing a sealing ring (300) between the DC socket (200) and the outer cover (100), and an expanding ring (320) on the sealing ring (300), the DC male plug that fits with the low-voltage lamp head assembly of the present invention is provided with an outer sleeve outside the existing DC male plug in order to comply with VDE requirements, and the expanding ring (302) of the present invention can be sealed with this outer sleeve to achieve waterproofness in a simple and reliable way.

Description

    Technical Field
  • The present invention relates to the technical field of lighting equipment, in particular, a low-voltage lamp head assembly.
    • Background Technology
  • In the context of energy saving and environmental protection, LED lamps and lanterns are increasingly used in home and commercial lighting because of their high light efficiency and good light gathering performance. In commercial lighting, display lighting is a very important category. DC plugs can be used for the plug connectors used for the power supply of lamps, but the male plugs of DC plugs are usually used in reality. The male plug has a very small size, and it is easy to insert it wrongly. There is a potential safety hazard in the socket hole of the mains power supply. In addition, the DC plug generally cannot meet the requirements regarding waterproofness.
    • Invention content
  • In view of this, the present invention provides a low-voltage lamp head assembly to solve the above technical problems.
  • A low-voltage lamp head assembly comprises an outer cover connected to the lamp body and a DC socket set on the jack of the outer cover, said outer cover is provided with a sealing ring on the inner side, said sealing ring is provided with a sealing inner ring mating with said DC socket, said sealing inner ring is provided with an expanding ring on the side close to said outer cover.
  • Preferably, the assembly further comprises a bracket provided on the inside of said sealing ring, said bracket being connected to said outer cover and clamping said sealing ring.
  • Preferably, said expanding ring is provided with a sealing rib.
  • Preferably, said sealing ring is provided with an annular injection groove around the outer circumference.
  • Preferably, said DC socket comprises.
    • a socket body with a mounting cavity;
    • a conductive reed, provided on said socket body, comprising a plurality of conductive clips arranged annularly on the inner wall of said mounting cavity; and
    • a conductive post, set on said socket body in the middle of said mounting cavity.
  • Preferably, said DC socket further comprises a fixing seat provided at the end of said socket body.
  • Preferably, the plurality of conductive clips are integrally formed, and said conductive reed has a first resilient electrical contact set on the end of said fixing seat.
  • Preferably, said conductive post has a second resilient electrical contact set on the end of said fixing seat.
  • Preferably, said conductive post is formed from two inward bent sides of a metal sheet.
  • Preferably, said fixing seat is provided with a fixing post extending into said mounting cavity, and said plurality of conductive clips are provided around said fixing post.
  • The technical effects of the present invention are as follows:
    In the low-voltage lamp head assembly of the present invention, by providing a sealing ring between the DC socket and the outer cover, and providing an expanding ring on the sealing ring, the DC male plug with the low-voltage lamp head assembly of the present invention will be provided with an outer sleeve outside the existing DC male plug in order to comply with VDE requirements, and the expanding ring of the present invention can be sealed with this outer sleeve to achieve waterproofness in a simple and reliable way.
    • Description of the drawings
  • Embodiments of the present invention are described below in connection with the accompanying drawings, wherein:
    • Fig. 1 shows a schematic diagram of the structure of the low-voltage luminaire head assembly of this embodiment when assembled;
    • Fig. 2 shows a cross-sectional schematic view of the low-voltage lamp head assembly of this embodiment when assembled;
    • Fig. 3 is an exploded schematic view of the low-voltage lamp head assembly of this embodiment;
    • Fig. 4 shows the exploded schematic view of the DC socket shown in Fig. 3;
    • Fig. 5 shows an exploded schematic view of another angle of the low-voltage lamp head assembly of this embodiment; and
    • Fig. 6 shows an exploded schematic view of the DC socket shown in Fig. 5.
    Detailed description
  • The following specific embodiments of the present invention are described in further detail based on the accompanying drawings. It should be understood that the description of embodiments of the present invention herein is not intended to limit the scope of protection of the present invention.
  • As shown in Figs. 1 to 6, the low-voltage lamp head assembly of this embodiment includes an outer cover 100 connected to the lamp body and a DC socket 200 provided on the jack 101 of the outer cover 100, said outer cover 100 is provided with a sealing ring 300 on the inner side, said sealing ring 300 is provided with a sealing inner ring 301 mating with said DC socket 200, said sealing inner ring 301 is provided with an expanding ring 302 on the side close to said outer cover 100.
  • In order to comply with VDE requirements, this implementation with the DC male plug 500 comprises an outer sleeve 501 set outside the existing DC male plug to increase the diameter to prevent misinsertion. The expanding ring 302 seals the outer sleeve 501, which provides waterproofness in a simple and reliable way.
  • The embodiment further comprises a bracket 400 provided on the inside of said sealing ring 300, said bracket 400 being connected to the outer cover 100 and clamping said sealing ring 300. In this embodiment, said bracket 400 is fixedly connected to the outer cover 100 by screws. The above structure is more convenient for manufacturing and installation.
  • In this embodiment, the expanding ring 302 is provided with a sealing rib 303, which can be provided as a continuous ring or at intervals to further enhance the sealing effect.
  • In this embodiment, the outer circumference of said seal 300 is provided with an annular injection groove 304. The above structure can further improve the sealing effect.
  • In this embodiment, said DC socket 200 comprises: a socket body 201, a conductive reed 202 and a conductive post 203. The socket body 201 has a mounting cavity 2011; the conductive reed 202 is provided on said socket body 201 and includes a plurality of conductive clips 2021 arranged annularly on the inner wall of said mounting cavity 2011; the conductive post 203 is provided on said socket body 201 and is located in the middle of said mounting cavity 2011.
  • In this embodiment, said DC socket 200 further comprises a fixing seat 204 provided at the end of said socket body 201 to facilitate the installation of the conductive reed 202 and the conductive post 203.
  • In this embodiment, the plurality of conductive clips 2021 is formed integrally, and said conductive reed 201 has a first resilient electrical contact 2022 set on the end of said fixing seat 204.
  • In this embodiment, said conductive post 203 has a second resilient electrical contact 2031 set on the end of said fixing seat 204.
  • In this embodiment, said conductive post 203 is formed from two inward bent sides of a metal sheet.
  • In this embodiment, said fixing seat 204 is provided with a fixing post 2041 extending into said mounting cavity 2011, and said plurality of conductive clips 2021 are provided around said fixing post 2041.
  • The DC socket shown uses socket and reed integrated molding, which significantly improves the reliability and stability of contact. The advantages of DC socket include: 1. Reducing the number of parts and lowering the cost of the product; 2. Improving the reliability and stability of the product and enhancing the quality of the product; 3. Ensure product consistency, improve production efficiency; 4. Standardize and generalize the design of the kamp head assembly.
  • The above is only a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modification, equivalent replacement or improvement within the spirit of the present invention, etc., is covered by the scope of the claims of the present invention.

Claims (10)

  1. A low-voltage lamp head assembly, comprising an outer cover (100) connected to a lamp body and a DC socket (200) provided on a jack (101) of the outer cover (100),
    characterized in that said outer cover (100) is provided with a sealing ring (300) on the inner side, said sealing ring (300) is provided with a sealing inner ring (301) mating with said DC socket (200), and said sealing inner ring (301) is provided with an expanding ring (302) on the side close to said outer cover (100).
  2. The low-voltage lamp head assembly according to claim 1, characterized in that it further comprises a bracket (400) provided on the inside of said sealing ring (300), said bracket (400) being connected to said outer cover (100) and clamping said sealing ring (300).
  3. The low-voltage lamp head assembly according to claim 1, characterized in that said expanding ring (302) is provided with a sealing rib (303).
  4. The low-voltage lamp head assembly according to claim 1, characterized in that said sealing ring (300) is provided with an annular injection groove (304) around the outer circumference.
  5. The low-voltage lamp head assembly according to any of claims 1 to 4, characterized in that said DC socket (200) comprises:
    a socket body (201) with a mounting cavity (2011);
    a conductive reed (202), provided on said socket body (201), comprising a plurality of conductive clips (2021) arranged annularly on the inner wall of said mounting cavity (2011); and
    a conductive post (203), set on said socket body (201) in the middle of said mounting cavity (2011).
  6. The low-voltage lamp head assembly according to claim 5, characterized in that said DC socket (200) further comprises a fixing seat (204) provided at the end of said socket body (201).
  7. The low-voltage lamp head assembly according to claim 6, characterized in that the plurality of conductive clips (2021) are integrally formed and said conductive reed (201) has a first resilient electrical contact (2022) set on the end of said fixing seat (204).
  8. The low-voltage lamp head assembly according to claim 6, characterized in that said conductive post (203) has a second resilient electrical contact (2031) set on the end of said fixing seat (204).
  9. The low-voltage lamp head assembly according to claim 5, characterized in that said conductive post (203) is formed from two inward bent sides of a metal sheet.
  10. The low-voltage lamp head assembly according to claim 6, characterized in that said fixing seat (204) is provided with a fixing post (2041) extending into said mounting cavity (2011), and said plurality of conductive clips (2021) are provided around said fixing post (2041).
EP23150442.4A 2022-01-19 2023-01-05 A low voltage lamp head assembly Pending EP4215810A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210062822.7A CN114811545B (en) 2022-01-19 2022-01-19 Lamp cap assembly of low-voltage lamp

Publications (1)

Publication Number Publication Date
EP4215810A1 true EP4215810A1 (en) 2023-07-26

Family

ID=82527266

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23150442.4A Pending EP4215810A1 (en) 2022-01-19 2023-01-05 A low voltage lamp head assembly

Country Status (2)

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EP (1) EP4215810A1 (en)
CN (1) CN114811545B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111853572A (en) * 2020-07-02 2020-10-30 赛尔富电子有限公司 Waterproof strip lamp
CN112762372A (en) * 2021-01-26 2021-05-07 赛尔富电子有限公司 Waterproof bar lamp convenient to automated production

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2324650Y (en) * 1997-10-22 1999-06-16 李秋山 Multi-purpose safety socket adapted to many kinds of plugs
CN206893897U (en) * 2017-06-15 2018-01-16 黑默（天津）电气工程***有限公司 A kind of triple seal structure between high current plugs and sockets
CN208401157U (en) * 2018-08-06 2019-01-18 宁波西创尼克电子科技有限公司 A kind of self-locking water-proof connector of push-and-pull
CN113708135B (en) * 2021-04-22 2024-07-09 赛尔富电子有限公司 Waterproof power supply rail
CN113471755A (en) * 2021-07-22 2021-10-01 浙江奇诚电器有限公司 Lamp controller socket

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111853572A (en) * 2020-07-02 2020-10-30 赛尔富电子有限公司 Waterproof strip lamp
CN112762372A (en) * 2021-01-26 2021-05-07 赛尔富电子有限公司 Waterproof bar lamp convenient to automated production

Also Published As

Publication number Publication date
CN114811545B (en) 2024-07-09
CN114811545A (en) 2022-07-29

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