CN110186006B - Contact type multi-specification modular light-emitting unit - Google Patents

Contact type multi-specification modular light-emitting unit Download PDF

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Publication number
CN110186006B
CN110186006B CN201910524874.XA CN201910524874A CN110186006B CN 110186006 B CN110186006 B CN 110186006B CN 201910524874 A CN201910524874 A CN 201910524874A CN 110186006 B CN110186006 B CN 110186006B
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China
Prior art keywords
light
led
metal contact
circuit board
emitting
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CN201910524874.XA
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Chinese (zh)
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CN110186006A (en
Inventor
刘春霞
顾丹
赵磊
陈凌
潘以成
卢梦奇
习辰斌
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HASCO Vision Technology Co Ltd
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HASCO Vision Technology Co Ltd
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Publication date
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Priority to CN202211198261.XA priority Critical patent/CN115539894A/en
Priority to CN201910524874.XA priority patent/CN110186006B/en
Publication of CN110186006A publication Critical patent/CN110186006A/en
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Publication of CN110186006B publication Critical patent/CN110186006B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/0015—Fastening arrangements intended to retain light sources
    • F21V19/0025—Fastening arrangements intended to retain light sources the fastening means engaging the conductors of the light source, i.e. providing simultaneous fastening of the light sources and their electric connections
    • 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
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
    • F21V23/005—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate is supporting also the light source
    • 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
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Abstract

The invention relates to a contact type multi-specification modular light-emitting unit which comprises an electrical connection module and a light-emitting sub-module, wherein the electrical connection module comprises a circuit board and a metal contact reed, the metal contact reed is fixedly connected on the circuit board, the light-emitting sub-module comprises an LED and a light-transmitting part which are relatively and fixedly connected, the light-emitting surface of the LED faces to the light-entering surface of the light-transmitting part, the LED is in contact with the metal contact reed and is electrically connected with an LED power supply circuit on the circuit board through the metal contact reed, and the light-emitting surface of the light-transmitting part is polygonal, circular or elliptical. Each light-emitting unit corresponds to one LED, when a single LED is damaged, the whole lamp does not need to be replaced, and only the light-emitting sub-module in the light-emitting unit where the LED is located needs to be replaced, so that the LED lamp is convenient to maintain and low in cost.

Description

Contact type multi-specification modular light-emitting unit
Technical Field
The invention relates to a modularized light-emitting unit, which is mainly used for realizing the signal lamp function of an automobile lamp.
Background
For the signal lamp function using the LED as the light source in the current car lamp, the LED assembly composed of the LED and the circuit board is generally undetachable, namely the LED is used as an undetachable light source. Once the LED is damaged, the lighting effect is affected, the light distribution performance may not meet the requirements of regulations, and at this time, the problem is solved, only the whole lamp can be replaced, and the use and maintenance cost is high.
Disclosure of Invention
The invention aims to provide a contact type multi-specification modular light-emitting unit, each light-emitting unit corresponds to one LED, when a single LED is damaged, only a light-emitting sub-module in the light-emitting unit where the single LED is located needs to be replaced, the maintenance is convenient, and the cost is low.
The main technical scheme of the invention is as follows:
the utility model provides a many specifications of contact modularization luminescence unit, includes the luminous submodule piece, the luminous submodule piece includes relative fixed connection's LED and printing opacity part, LED's play plain noodles is towards the income plain noodles of printing opacity part.
The light-emitting surface of the light-transmitting part can be a single plane, a single curved surface, a multi-plane combined surface or a multi-curved-surface combined surface.
Further, the shape of the light-emitting surface of the light-transmitting part can be a polygon, a circle or an ellipse.
The area of the light emitting surface of the light transmitting part is preferably larger than the area of the light incident surface of the light transmitting part.
The area of the light incident surface of the light transmitting part is preferably larger than that of the light emergent surface of the LED.
The contact type multi-specification modular light-emitting unit can further comprise an electrical connection module, the electrical connection module comprises a circuit board and a metal contact reed, the metal contact reed is fixedly connected to the circuit board, and the LED is electrically connected with an LED power supply circuit on the circuit board through contact with the metal contact reed.
The metal contact reed is of a metal sheet structure, one or more first salient points which are spaced from each other and are protruded from the middle part to one side are arranged on the metal contact reed, the edge of the metal contact reed and the area between the first salient points are flat and are positioned on the same plane, a narrow slit with a plurality of break points in the middle is arranged on the surface of a single part of the metal contact reed, the narrow slit penetrates through each first salient point, after the metal contact reed and a circuit board are relatively and fixedly installed, the break points are removed through processing, the metal contact reed is divided into two independent parts by one original piece, the two independent parts are respectively contacted with two conductive areas with different electrical polarities on the board surface of the circuit board, and positive and negative PIN PINs of an LED are respectively contacted with the two independent parts which are divided from the first salient points on the metal contact reed.
The metal contact spring is preferably fixedly connected to the circuit board in a clamping manner.
The contact type multi-specification modular light-emitting unit can further comprise a decorative plate, through holes are formed in the decorative plate, the decorative plate is fixedly connected with the circuit board relatively, and each light-emitting sub-module is inserted into one through hole and supported and fixed through the through hole.
The decorative plate is provided with a plurality of through holes, and the hole distance between every two adjacent through holes is larger than the maximum linear size of the light-emitting surface of the light-transmitting part in the light-emitting submodule.
The invention has the beneficial effects that:
one light-emitting sub-module corresponds to one LED, once one or more LEDs in an automobile lamp are damaged, the problem does not need to be solved by replacing the lamp, the rear cover of the automobile lamp only needs to be disassembled, the light-emitting sub-module of the light-emitting unit where the LED which is not bright is located is pulled out, and then a new light-emitting sub-module is replaced, so that the after-sale cost of the automobile lamp is greatly reduced.
Because the top of the luminous sub-module can be made into various specifications and sizes and various shapes, even on the same automobile lamp, various luminous effects can be realized by randomly selecting and randomly collocating the luminous sub-module, thereby being beneficial to the modularized production of lamp manufacturers and achieving the purpose of reducing the cost.
Because the light-emitting sub-modules are convenient to disassemble and assemble, even a common consumer can conveniently disassemble and assemble, the consumer can purchase the light-emitting sub-modules with different specifications or shapes by himself, and the light-emitting sub-modules can be spliced into the favorite figures by himself like a jigsaw puzzle according to personal needs, so that the personalized requirements of the consumer are met.
Drawings
FIG. 1 is a schematic front view of one embodiment of an electrical connection module in a mounted state on a vehicle lamp rear cover;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic diagram of a front side of one embodiment of a light emitting sub-module;
FIG. 4 is a cross-sectional view B-B of FIG. 3;
FIG. 5 is a cross-sectional view of one embodiment of the metal contact spring;
figure 6 is a schematic view of another embodiment of the metal contact spring.
Detailed Description
As shown in fig. 1 to 4, the invention discloses a contact type multi-specification modular light-emitting unit, which comprises a light-emitting sub-module, wherein the light-emitting sub-module comprises an LED5 and a light-transmitting part 4 which are relatively and fixedly connected, and a light-emitting surface of the LED faces to a light-incident surface of the light-transmitting part. The LED and the light-transmitting part can be pasted and fixed through a plane, or the light-emitting surface of the LED can be embedded into the light-transmitting part to be fixed. Each light emitting sub-module may be independently supplied. If some LED is damaged, the luminous submodule can be used as a small part to be replaced, the whole lamp does not need to be replaced, the fault is eliminated, and the cost is saved.
One end of the light-transmitting part, which is close to the light-emitting surface, can be a regular geometric body, such as a cuboid, a cylinder and the like, and can also be any irregular body. Correspondingly, the shape of the light-emitting surface of the light-transmitting part can be a single plane, such as a circular plane, a rectangular plane or an oval plane, can be a single curved surface, such as a hemispherical surface, and can also be a multi-plane combined surface or a multi-curved-surface combined surface.
When the shape of the light emitting surface of the light-transmitting part is a single plane, the shape of the light emitting surface of the light-transmitting part is not limited, and the light emitting surface can be polygonal (such as square, diamond, triangle, and the like), circular, elliptical, and other geometric shapes, and can also be any other shape. The light-emitting surface of the light-transmitting part is in any shape, and the light-emitting effect of the single light-emitting sub-module is in any shape when the single light-emitting sub-module is lightened. Aiming at the function of a car lamp signal lamp, the function can be realized by randomly matching and combining the luminous submodules with different numbers, different light-emitting surface shapes and different assembly positions, and a great DIY space which can freely play and expand individuality is provided for consumers.
The area of the light emitting surface of the light transmitting part is preferably larger than that of the light incident surface of the light transmitting part, so that the lighting effect of the LED is highlighted and amplified.
The area of the light incident surface of the light transmitting part is preferably larger than that of the light emergent surface of the LED, so that light emitted by the LED can be collected as much as possible. In the embodiment shown in fig. 3 and 4, the light-transmitting part comprises a tail part 4-1 and a head part 4-2, the cross-sectional area of the tail part is smaller than that of the head part, and the joint of the tail part and the head part forms a step structure.
The contact type multi-specification modular light-emitting unit can further comprise an electrical connection module, the electrical connection module comprises a circuit board 2 and a metal contact spring plate 3, the metal contact spring plate is fixedly connected to the circuit board, and the LED is in electrical connection with an LED power supply circuit on the circuit board through contact with the metal contact spring plate. When power is supplied to the circuit board, the LED is electrified and lightened from the circuit board through the metal contact reed. Once an LED is damaged, the light-emitting sub-module where the LED is located is pulled out and replaced with a new light-emitting sub-module.
The shape of the metal contact reed can be freely designed according to the requirement, and the metal contact reed can even be used as a standard module for lamps with similar shapes.
The metal contact spring is of a metal sheet structure, and besides being of a flat plate shape as shown in fig. 2, the metal contact spring is preferably provided with one or more first salient points 2-1 which are spaced from each other, the middle parts of which are raised towards one side, and the edges of the first salient points and the areas between the first salient points are flat and positioned on the same plane as each other as shown in fig. 5 and 6. Before installation, a narrow slit 2-2 with a plurality of break points 2-3 in the middle is arranged on the surface of a single part of the metal contact reed, the narrow slit penetrates through each first bump, after the metal contact reed and the circuit board are relatively and fixedly installed, the break points are removed through processing to enable the narrow slit to be communicated, so that the metal contact reed is divided into two independent parts by one original part, and the two independent parts are respectively contacted with two conductive areas with different electrical polarities on the board surface of the circuit board.
Or, two metal contact reeds are in a group in the installation state, and a narrow slit 4-2 is used for separation and assembly. Before the group of metal contact reeds are installed, the surface of each group of metal contact reeds is provided with a whole metal contact reed with a narrow slit 4-2 with a plurality of break points 4-3 in the middle, and the narrow slit penetrates through each first salient point on the whole metal contact reed. Only after the whole piece of metal contact spring is fixed relative to the circuit board, the broken points are removed to divide the whole piece of metal contact spring into two parts.
As long as the positive and negative PIN feet of the LED are respectively contacted with two independent parts of a certain first salient point, the connection of the positive and negative poles of the LED can be ensured, and the LED can work normally.
Through setting up first bump, be equivalent to make metal contact reed reserves certain elastic deformation volume in first bump position department, when LED and first bump contact, first bump has produced elastic deformation, proves that LED and metal contact reed contact are more abundant to ensure LED's normal work.
Before the metal contact reed is fixed, the narrow slit on the metal contact reed is preferably realized by laser cutting, so that the batch processing is convenient, the efficiency is improved, and the processing quality is easy to ensure. The metal contact spring in the case of a break point can be regarded as a semi-finished product. Once fixed, the breaking point can be cut off, and at this time, the whole metal contact spring is divided into two independent pieces with different electrical polarities. When the LED is mounted, a closed loop is formed.
The edge of the metal contact reed and the surface of the area between the first salient points are preferably provided with a plurality of second salient points, the rising direction of the second salient points is opposite to that of the first salient points, namely if the surface where the first salient points are located is called as the front surface, the second salient points are located on the back surface of the metal contact reed. The second bumps may be provided only in areas that are to be in contact with conductive areas on the wiring board. The second salient point can ensure that the metal contact reed is more reliably contacted and conducted with the conductive area on the circuit board, thereby ensuring the electrical connection between the metal contact reed and the circuit board.
The substrate of the circuit board can be made of FR4 or an aluminum plate, and is specifically selected according to the temperature resistance requirement of the LED.
The metal contact spring can be permanently fixed on the circuit board, and can also be fixedly connected on the circuit board in a clamping way through a mechanical structure. In the latter case, replacement of individual pieces when damaged is more convenient. The specific fixing connection mode depends on the product requirement and the cost. The reed assembly can be supplied separately as individual submodules.
When the lamp is installed on a lamp, the electrical connection module is usually detachably and fixedly connected to the inner side surface of the lamp rear cover 1, and the rear cover and the circuit board are sealed through a sealing gasket to prevent water leakage. The shapes of the rear cover and the circuit board are not limited, mainly depend on the outer contour of the whole lamp, and can be freely designed according to needs. If a certain LED or a plurality of LEDs are damaged, the problem is not solved by replacing the lamps, the rear cover is only required to be disassembled, the light-emitting sub-modules corresponding to the LEDs which are not bright are pulled out, and then new light-emitting sub-modules are replaced, so that the after-sale cost is greatly reduced.
The contact type multi-specification modular light-emitting unit can further comprise a decorative plate (not shown in the figure), through holes are formed in the decorative plate, the decorative plate is fixedly connected with the circuit board relatively, each light-emitting submodule is inserted into one through hole, and supporting and fixing are achieved through the through holes. The part penetrating through the through hole is mainly the tail part of the light-transmitting part, and the size of the through hole is only slightly larger than the tail part of the light-transmitting part, so that the light-transmitting part and the decorative plate are not interfered.
The decorative plate is characterized in that the number of the through holes can be multiple, the hole distance between every two adjacent through holes is larger than the maximum linear size of the light-emitting surface of the light-transmitting part in the light-emitting sub-module, so that the light-emitting sub-modules cannot be interfered when the light-emitting sub-modules are installed at the positions of the adjacent through holes simultaneously.
Due to the decorative plate, the appearance can be kept beautiful at the position of the metal contact spring which is not provided with the luminous submodule.
The invention has respective value and benefits for consumers, after-sales parties and lamp manufacturers.

Claims (9)

1. A contact type multi-specification modular light-emitting unit is characterized in that:
the LED light source comprises a light emitting sub-module, wherein the light emitting sub-module comprises an LED and a light transmitting part which are relatively and fixedly connected, and the light emitting surface of the LED faces to the light incident surface of the light transmitting part;
the circuit board further comprises a circuit board and a metal contact reed, wherein the metal contact reed is provided with a plurality of rows of first salient points which are mutually spaced and the middle parts of the first salient points bulge towards one side, and the surface of the metal contact reed is provided with a narrow slit with a plurality of break points in the middle; the narrow slits sequentially penetrate through the first salient points, a bending section is formed between two adjacent rows of the first salient points, and two end parts of the narrow slits extend to the edge of the metal contact spring respectively; with the narrow slit as a boundary, partial lower surfaces on two sides of the narrow slit are respectively contacted with two conductive areas with different electrical polarities on the board surface of the circuit board;
and after the metal contact reed and the circuit board are relatively fixedly mounted, removing the breakpoint to divide the metal contact reed into two parts by taking the narrow slit as a boundary, wherein the positive PIN and the negative PIN of each LED are respectively in contact with two semi-convex points divided by one of the first convex points so as to be electrically connected with two conductive regions with different electrical polarities on the circuit board through the two semi-convex points.
2. The contact multi-gauge modular lighting unit of claim 1, wherein: the light-emitting surface of the light-transmitting part is a single plane, a single curved surface, a multi-plane combined surface or a multi-curved-surface combined surface.
3. The contact multi-gauge modular lighting unit of claim 2, wherein: the shape of the light-emitting surface of the light-transmitting part is polygonal, circular or elliptical.
4. The contact multi-gauge modular lighting unit of claim 1, wherein: the area of the light emitting surface of the light transmitting part is larger than that of the light incident surface of the light transmitting part.
5. The contact multi-gauge modular lighting unit of claim 4, wherein: the area of the light incident surface of the light-transmitting part is larger than that of the light emergent surface of the LED.
6. The contact multi-gauge modular lighting unit of claim 1, 2, 3, 4, or 5, wherein: still include the electrical connection module, the electrical connection module includes circuit board and metal contact reed, metal contact reed fixed connection be in on the circuit board, LED with the contact of metal contact reed, through the metal contact reed with LED power supply line on the circuit board keeps electrical connection.
7. The contact multi-gauge modular lighting unit of claim 6, wherein: the metal contact reed is fixedly clamped on the circuit board.
8. The contact multi-gauge modular lighting unit of claim 6, wherein: the LED lamp further comprises a decorative plate, through holes are formed in the decorative plate, the decorative plate is fixedly connected with the circuit board relatively, and each light-emitting sub-module is inserted into one through hole.
9. The contact multi-gauge modular lighting unit of claim 8, wherein: the decorative plate is provided with a plurality of through holes, and the hole distance between every two adjacent through holes is larger than the maximum linear size of the light-emitting surface of the light-transmitting part in the light-emitting submodule.
CN201910524874.XA 2019-06-18 2019-06-18 Contact type multi-specification modular light-emitting unit Active CN110186006B (en)

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Application Number Priority Date Filing Date Title
CN202211198261.XA CN115539894A (en) 2019-06-18 2019-06-18 Electrical connection module and electrical connection method
CN201910524874.XA CN110186006B (en) 2019-06-18 2019-06-18 Contact type multi-specification modular light-emitting unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910524874.XA CN110186006B (en) 2019-06-18 2019-06-18 Contact type multi-specification modular light-emitting unit

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CN110186006B true CN110186006B (en) 2022-09-06

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CN114267269B (en) * 2022-01-11 2023-07-21 福州不止光电科技有限公司 Free-mounting free combined type luminous sign

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CN201401679Y (en) * 2009-04-01 2010-02-10 玉晶光电股份有限公司 Light-emitting device
CN201547728U (en) * 2009-11-16 2010-08-11 王子能 Novel LED light fitting
CN206449548U (en) * 2016-12-16 2017-08-29 常州星宇车灯股份有限公司 A kind of new array automobile headlamp light guide structure
CN207661682U (en) * 2017-09-28 2018-07-27 常州星宇车灯股份有限公司 A kind of LED electrical connections metal spring leaf
CN208253452U (en) * 2018-05-03 2018-12-18 佛山市路马科技有限公司 A kind of automobile tail light

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