CN218032712U

CN218032712U - Electrodeless dimming LED module based on aluminum nitride ceramic substrate

Info

Publication number: CN218032712U
Application number: CN202222485617.XU
Authority: CN
Inventors: 林伟毅; 林武城; 刘卫平; 陈智
Original assignee: Fujian Zhenjing New Material Technology Co ltd
Current assignee: Fujian Zhenjing New Material Technology Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2022-12-13
Anticipated expiration: 2032-09-20

Abstract

The utility model belongs to the technical field of aluminum nitride ceramic substrate class LED module technique and specifically relates to a electrodeless LED module of adjusting luminance based on aluminum nitride ceramic substrate, including base and otter board, the below opening part rigid coupling of base has the otter board, the internally mounted of base has connecting device. Can inlay the base plate and establish the recess of base in, accomplish preliminary fixed, simultaneously when the outer wall of base plate and circular block contact, the base plate can drive the circular block and move to the outside, make the circular block drive the dog through the horizontal pole and remove, dog cooperation casing can extrude the spring, make the spring take place elastic deformation, after the arc department that the circular block entered into the base plate, the circular block passes through the elastic property of horizontal pole and spring etc. alright support the base plate tightly fixedly, thereby further improved the fixed effect of base plate in base department, and then the base plate can drop when having avoided the base to receive great external force collision.

Description

Electrodeless dimming LED module based on aluminum nitride ceramic substrate

Technical Field

The utility model relates to an aluminium nitride ceramic substrate class LED module technical field specifically is an electrodeless LED module of adjusting luminance based on aluminium nitride ceramic substrate.

Background

The LED module is a product formed by arranging and then packaging LEDs according to a certain rule and adding some waterproof treatments, and in order to improve the heat dissipation effect of the LED module, aluminum nitride ceramics is usually selected as a raw material to be used as a substrate of the high LED module.

For example, an aluminum nitride ceramic substrate-based electrodeless dimming LED module disclosed in publication No. CN 211526106U includes a heat dissipation base, an aluminum nitride ceramic substrate, and a heat dissipation substrate. The aluminum nitride ceramic substrate is embedded in the mounting step formed on the heat dissipation base, so that the contact area between the aluminum nitride ceramic substrate and the heat dissipation base is increased, and the heat dissipation efficiency is improved.

However, there are some problems when the above-mentioned device is used, for example, in the above, an installation step is provided in the middle of the upper end of the heat dissipation base, and then the aluminum nitride ceramic substrate is embedded in the installation step of the heat dissipation base, and other fixing structures are not provided to fix the aluminum nitride ceramic substrate, only depending on the embedding manner, when the heat dissipation base is collided by a large external force, the aluminum nitride ceramic substrate is very easy to drop from the installation step of the heat dissipation base, thereby reducing the overall fixing effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the fixed effect of current device when using not good, take place the part easily and drop and do not protect the LED module, and the electrodeless LED module of adjusting luminance based on aluminium nitride ceramic substrate who provides.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a design electrodeless LED module of adjusting luminance based on aluminium nitride ceramic substrate, includes base and otter board, the below opening part rigid coupling of base has the otter board, the internally mounted of base has connecting device, connecting device includes the base plate, the base plate inlays the groove department of locating the base, circular block is installed to the left and right sides below of base plate, and the outer wall of circular block and the arc wall department inner wall clearance fit of base plate, the outside rigid coupling of circular block has the horizontal pole, the outside rigid coupling of horizontal pole has the dog, the casing is installed to the outer wall of dog, and the inside inner wall of casing and opening part inner wall respectively with the outer wall clearance fit of dog and horizontal pole, the outer wall of casing and the inside looks rigid coupling of base.

Preferably, the spring is installed in the shell, and the outer walls of the two ends of the spring are respectively fixedly connected with the stop block and the shell, so that the circular block can further tightly support and fix the substrate through the elastic performance of the spring.

Preferably, the lower surface laminating of base plate has a plurality of heat-conducting layers, and the below of heat-conducting layer bonds with the inner wall of base mutually, cooperates the otter board through the heat-conducting layer like this and can derive the heat of base plate department.

Preferably, protection device is installed to the top of base, protection device includes the safety cover, the lower surface of safety cover and the top outer wall of base laminate mutually, the left and right sides outer wall rigid coupling of safety cover has the riser, the baffle is installed in the outside of riser, and the outer wall of baffle and the groove inner wall clearance fit of riser, the outside top rigid coupling of baffle has the pin.

Preferably, a second vertical plate is installed on the outer wall of the middle of the stop lever, the inner wall of the through hole of the second vertical plate is in clearance fit with the outer wall of the stop lever, and the lower portion of the second vertical plate is fixedly connected with the base.

Preferably, the middle of the interior of the second vertical plate is in threaded connection with a screw, and the inner side of the screw is rotatably connected with the baffle.

The utility model provides a pair of electrodeless LED module of adjusting luminance based on aluminium nitride ceramic substrate, beneficial effect lies in: the base plate can be embedded into the groove of the base to finish primary fixation, meanwhile, when the outer wall of the base plate is contacted with the round block, the base plate can drive the round block to move outwards, so that the round block drives the stop block to move through the cross rod, the stop block is matched with the shell to extrude the spring, the spring is elastically deformed, and after the round block enters the arc-shaped part of the base plate, the round block can tightly support and fix the base plate through the elastic performance of the cross rod and the spring and the like, so that the fixation effect of the base plate at the base is further improved, and the base plate is prevented from falling off when the base is collided by large external force;

can drive the safety cover and remove to the top of base, rotate the screw rod again, make the screw rod remove to the safety cover direction through the second riser to screw rod cooperation horizontal pole alright with driving the baffle and remove, make the baffle enter into the recess of first riser, like this the baffle through first riser alright with fixed the safety cover, and then alright protect with electrodeless LED module of adjusting luminance to the base plate of inside through the safety cover.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a schematic view of the structure of the mesh plate, the base and the heat conductive layer of fig. 2;

FIG. 4 is a schematic view of the spring, cross bar and circular block of FIG. 2;

fig. 5 is a schematic structural view of the second vertical plate, the screw and the baffle in fig. 2.

In the figure: 1. the base, 2, otter board, 3, connecting device, 301, base plate, 302, circular block, 303, horizontal pole, 304, dog, 305, casing, 3A1, connecting wire, 3A2, LED module, 4, protection device, 401, safety cover, 402, first riser, 403, baffle, 404, pin, 5, spring, 6, heat-conducting layer, 7, second riser, 8, screw rod.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-4, in this embodiment, an electrodeless dimming LED module based on an aluminum nitride ceramic substrate includes a base 1 and a screen 2, a groove and an opening are respectively formed in the middle of the upper side and the lower side of the base 1, the screen 2 is fixedly connected to the opening of the lower side of the base 1, the inside of the base 1 can be cooled through the screen 2, a connecting device 3 is installed in the base 1, the connecting device 3 includes a substrate 301, a circular block 302, a cross bar 303, a stop block 304 and a housing 305, the substrate 301 is embedded in the groove of the base 1, arc-shaped grooves are formed on the left and right sides of the substrate 301, the substrate 301 is made of an aluminum nitride ceramic material and has good thermal conductivity, the circular blocks 302 are installed below the left and right sides of the substrate 301, and the outer walls of the circular blocks 302 are in clearance fit with the inner walls of the arc-shaped grooves of the substrate 301, a cross rod 303 is fixedly connected to the outer side of the circular block 302, a stopper 304 is fixedly connected to the outer side of the cross rod 303, a shell 305 is mounted on the outer wall of the stopper 304, an opening is formed in the inner side of the shell 305, the inner wall of the inner side of the shell 305 and the inner wall of the opening are in clearance fit with the outer wall of the stopper 304 and the outer wall of the cross rod 303 respectively, the outer wall of the shell 305 is fixedly connected with the inner side of the base 1, a spring 5 is mounted in the shell 305, the outer walls of two ends of the spring 5 are fixedly connected with the stopper 304 and the shell 305 respectively, the circular block 302 can tightly press and fix the substrate 301 through the elasticity of the

spring

5, 2 heat conduction layers 6 are attached to the lower surface of the substrate 301, and the heat conduction layers 6 are made of heat conduction silicone grease, so that heat at the position of the substrate 301 can be conducted out through the heat conduction layers 6 and the mesh plate 2, and the lower portion of the heat conduction layers 6 are bonded with the inner wall of the base 1;

can inlay base plate 301 and establish in base 1's the recess, accomplish preliminary fixed, simultaneously when base plate 301's outer wall and round piece 302 contact, base plate 301 can drive round piece 302 and move to the outside, make round piece 302 drive dog 304 through horizontal pole 303 and remove, dog 304 cooperation casing 305 can extrude spring 5, make spring 5 take place elastic deformation, after round piece 302 enters into base plate 301's arc department, round piece 302 can support tightly fixedly with base plate 301 through horizontal pole 303 and spring 5's elasticity performance etc. to, thereby further improved the fixed effect of base plate 301 in base 1 department, and then base plate 301 can drop when having avoided base 1 to receive great external force collision.

Referring to fig. 1, 2 and 5, a protection device 4 is installed above a base 1, the protection device 4 includes a protection cover 401, a first vertical plate 402, a baffle 403 and a stop lever 404, a lower surface of the protection cover 401 is attached to an upper outer wall of the base 1, the protection cover 401 is made of transparent plastic, the left and right outer walls of the protection cover 401 are fixedly connected with the first vertical plate 402, a groove is formed in an outer side of the first vertical plate 402, the baffle 403 is installed on an outer side of the first vertical plate 402, an outer wall of the baffle 403 is in clearance fit with an inner wall of the groove of the first vertical plate 402, the baffle 403 can tightly fix the protection cover 401 through the first vertical plate 402, the stop lever 404 is fixedly connected above an outer side of the baffle 403, the baffle 403 can be limited by the stop lever 404, a second vertical plate 7 is installed on an intermediate outer wall of the stop lever 404, a through hole is formed in the second vertical plate 7, an inner wall of the second vertical plate 7 is in clearance fit with an outer wall of the stop lever 404, a lower portion of the second vertical plate 7 is fixedly connected with the base 1, a middle screw 8 in the second vertical plate 7 is connected with an inner side of the screw 403, and the baffle 403 is rotatably connected with the baffle 403, the baffle 8, and the baffle 403, the baffle 8 can move through the screw can move through the vertical plate 8;

can drive safety cover 401 and remove to base 1's top, rotate screw rod 8 again, make screw rod 8 remove to safety cover 401 direction through second riser 7 to screw rod 8 cooperation horizontal pole 404 alright with driving baffle 403 and removing, make baffle 403 enter into the recess of riser 402, like this baffle 403 through riser 402 alright with fixed safety cover 401, and then through safety cover 401 alright with base plate 301 and the electrodeless LED module of adjusting luminance to the inside protect.

In this embodiment, when an operator needs to use an electrodeless dimming LED module based on an aluminum nitride ceramic substrate, the operator may first move the substrate 301 into the groove of the base 1, and drive the substrate 301 to move downward, so that the substrate 301 is embedded into the groove of the base 1, and preliminary fixing is completed, and when the outer wall of the substrate 301 contacts with the circular block 302, the substrate 301 may drive the circular block 302 to move outward, so that the circular block 302 drives the stopper 304 to move through the cross rod 303, the stopper 304 may press the spring 5 in cooperation with the housing 305, so that the spring 5 generates elastic deformation, and when the circular block 302 enters the arc-shaped portion of the substrate 301, the circular block 302 may tightly abut and fix the substrate 301 through the cross rod 303 and the elastic property of the spring 5, and the like, thereby further improving the fixing effect of the substrate 301 at the base 1, and further preventing the substrate 301 from dropping when the base 1 is collided by a large external force;

afterwards, drive safety cover 401 and remove to the top of base 1, rotate screw rod 8 again, make screw rod 8 remove to safety cover 401 direction through second riser 7 to screw rod 8 cooperation horizontal pole 404 alright with driving baffle 403 and remove, make baffle 403 enter into the recess of first riser 402, baffle 403 like this through first riser 402 alright with fixed safety cover 401, and then through safety cover 401 alright with the base plate 301 and the electrodeless LED module of adjusting luminance of inside protect.

Example 2:

referring to fig. 1-5, in the embodiment, the utility model provides a technical solution: a connecting device 3 can further comprise a connecting wire 3A1 and LED modules 3A2, the upper parts of 2 connecting wires 3A1 are fixedly connected with a substrate 301, the outer walls of the connecting wires 3A1 are in clearance fit with the inner wall of an opening of a base 1, 3 LED modules 3A2 are arranged above the connecting wires 3A1, the LED modules 3A2 are electrodeless dimming LED modules, the types of the LED modules can be selected according to user requirements, and the lower parts of the LED modules 3A2 are fixedly connected with the substrate 301;

3 groups of LED modules 3A2 can be arranged above the substrate 301, so that heat generated by the LED modules 3A2 can be conducted through the aluminum nitride ceramic material property of the substrate 301, and the LED modules 3A2 can keep normal and stable work.

In this embodiment, when an operator needs to use the electrodeless dimming LED module based on the aluminum nitride ceramic substrate, 3 groups of LED modules 3A2 are disposed above the substrate 301, so that heat generated by the LED modules 3A2 can be conducted through the aluminum nitride ceramic material property of the substrate 301, and the LED modules 3A2 can keep normal and stable operation.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a electrodeless LED module of adjusting luminance based on aluminium nitride ceramic substrate, includes base (1) and otter board (2), the below opening part rigid coupling of base (1) has otter board (2), its characterized in that: the internally mounted of base (1) has connecting device (3), connecting device (3) include base plate (301), base plate (301) inlays the groove of locating base (1), circular block (302) are installed to the left and right sides below of base plate (301), and the outer wall of circular block (302) and the arc wall department inner wall clearance fit of base plate (301), the outside rigid coupling of circular block (302) has horizontal pole (303), the outside rigid coupling of horizontal pole (303) has dog (304), casing (305) are installed to the outer wall of dog (304), and the inside inner wall and the opening part inner wall of casing (305) respectively with the outer wall clearance fit of dog (304) and horizontal pole (303), the outer wall of casing (305) and the inside looks rigid coupling of base (1).

2. The electrodeless dimming LED module based on the aluminum nitride ceramic substrate as claimed in claim 1, is characterized in that: the spring (5) is installed inside the shell (305), and the outer walls of the two ends of the spring (5) are fixedly connected with the stop block (304) and the shell (305) respectively.

3. The electrodeless dimming LED module based on the aluminum nitride ceramic substrate as claimed in claim 1, is characterized in that: the lower surface laminating of base plate (301) has a plurality of heat-conducting layers (6), and the below of heat-conducting layer (6) bonds with the inner wall of base (1) mutually.

4. The electrodeless dimming LED module based on the aluminum nitride ceramic substrate as claimed in claim 1, wherein: protection device (4) are installed to the top of base (1), protection device (4) include protection cover (401), the lower surface of protection cover (401) is laminated with the top outer wall of base (1) mutually, the left and right sides outer wall rigid coupling of protection cover (401) has first riser (402), baffle (403) are installed in the outside of first riser (402), and the outer wall of baffle (403) and the groove inner wall clearance fit of first riser (402), the outside top rigid coupling of baffle (403) has pin (404).

5. The electrodeless dimming LED module based on the aluminum nitride ceramic substrate as claimed in claim 4, wherein: the middle outer wall of the stop lever (404) is provided with a second vertical plate (7), the inner wall of the through hole of the second vertical plate (7) is in clearance fit with the outer wall of the stop lever (404), and the lower part of the second vertical plate (7) is fixedly connected with the base (1).

6. The electrodeless dimming LED module based on the aluminum nitride ceramic substrate as claimed in claim 5, is characterized in that: the middle of the interior of the second vertical plate (7) is connected with a screw (8) in a threaded manner, and the inner side of the screw (8) is rotatably connected with the baffle (403).