CN115933250A - Mounting structure of miniLED backlight - Google Patents
Mounting structure of miniLED backlight Download PDFInfo
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- CN115933250A CN115933250A CN202211532571.0A CN202211532571A CN115933250A CN 115933250 A CN115933250 A CN 115933250A CN 202211532571 A CN202211532571 A CN 202211532571A CN 115933250 A CN115933250 A CN 115933250A
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- backlight
- heat dissipation
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a miniLED backlight source mounting structure in the technical field of display, which comprises a backlight plate, a connecting wire and a lamp frame, wherein the connecting wire is arranged on the outer side of the backlight plate, the lamp frame is mounted on the backlight plate, two groups of mounting seats are fixedly connected to the inner wall of the lamp frame and support the two sides of the backlight plate, an opening of a butt joint inner cavity is formed in the back of the lamp frame, a back plate with a closed opening is detachably and fixedly connected to the back of the lamp frame, a fixing mechanism for butt joint the backlight plate penetrates through the outer side of the back plate, a heat dissipation frame and a wire outgoing sleeve are arranged on the outer side of the back plate and butt joint the inner cavity of the lamp frame in a penetrating mode, a rubber sleeve is fixedly arranged on the outer side of the wire outgoing sleeve, the connecting wire movably penetrates through the wire outgoing sleeve and the rubber sleeve, and a tightening belt for sealing the rubber sleeve is arranged on the outer side end of the rubber sleeve. The invention is different from the traditional viscose installation mode, adopts a quick detachable structure to assemble and install the backlight plate, reduces the heating of the backlight plate during long-term use by an auxiliary heat dissipation mechanism, has obvious practical effect and is worthy of popularization and application in the prior field.
Description
Technical Field
The invention relates to the technical field of display, in particular to a mounting structure of a miniLED backlight source.
Background
An LCD backlight generally includes an LED light source, a light source reflective film, a light guide plate, a light source reflective film, a diffusion film, and a backlight holder. The backlight is classified into an edge type backlight and a direct type backlight according to the position of the light source. In the structure of the side light type backlight source, an LED light source is arranged at the side edge of the backlight source, white light generated by the LED light source is reflected into a light guide plate made of acrylic through a light source reflection film and a light source reflection film, the light guide plate has the main function of converting copied parallel light into planar light by using the principle of light scattering, and then the light emitted from the light guide plate is diffused and deflected by the aid of the diffusion film, so that the light is focused in the transverse direction and the longitudinal direction and the light scattering angle is adjusted.
However, the existing backlight sources are connected by using glue when being installed, so that the purpose of fixing can be achieved when the backlight sources are connected, but when the backlight sources are damaged, the backlight sources are taken out of the shell firstly, and the glue adhered to the backlight sources needs to be removed firstly, so that the backlight sources can be taken out, and the backlight sources are troublesome to detach, and therefore, the replacement efficiency is influenced; meanwhile, when the adhesive is installed, the colloid obviously blocks the connected gap, and certain influence is caused on the whole heat dissipation. Therefore, the present invention provides a mounting structure of a miniLED backlight to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the installation structure of the miniLED backlight source, wherein the backlight plate is installed through a detachable assembly structure, the existing gap is favorable for the heat dissipation of the backlight plate, the heat generation of the backlight plate during long-time operation is greatly reduced by matching with an auxiliary heat dissipation structure, and the installation structure is matched with certain silencing measures, so that the installation structure has an obvious practical effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a mounting structure of miniLED backlight, includes the connecting wire in the board and the board outside in a poor light, still includes the rim to the board installation in a poor light, rim inner wall fixedly connected with two sets of mounts that support the board both sides in a poor light, the rim back has set up the opening that docks the inner chamber, and the rim back can be dismantled fixedly connected with and open up the confined backplate, and the backplate outside runs through the fixed establishment who is provided with the board in a poor light, and the backplate outside still runs through and is provided with the heat dissipation frame and the wire sleeve that dock in the rim inner chamber.
Preferably, the rim openly is provided with the transparent plate that docks in the board that is shaded, and rim corner position fixedly connected with fixing base, and all can dismantle fixed connection through the bolt between fixing base and the external world and between rim and the backplate, and the light of the convenient board that is shaded of transparent plate conveys externally, and the fixing base is convenient can dismantle fixed connection to whole and external, and the convenient follow-up dismantlement to the board that is shaded of backplate is maintained simultaneously.
Preferably, fixed establishment is including the fixed cover that runs through the backplate, the threaded rod of pegging graft is run through in the activity of fixed cover, the inboard end fixedly connected with butt of threaded rod is in the butt piece at the back of the board that is shaded, the end is rotated and is connected with the thread bush that the threaded rod outside was located to the fixed cover outside, slides in fixed cover through thread bush drive threaded rod and goes up and down to install the board butt that is shaded on the mount pad through the butt piece.
Preferably, the vertical fixedly connected with stopper of fixed cover inner wall, the outside of threaded rod vertically be provided with the spacing gliding spacing groove of stopper, utilize stopper and spacing groove slip to play between threaded rod and the fixed cover to prevent rotating spacingly.
Preferably, the outside of stopper is provided with curved embedded groove, and the embedded groove internalization is provided with the ball, the diameter of ball is greater than the notch diameter of embedded groove, utilizes ball movable contact in the inner wall of spacing groove and then reduces gliding frictional force to still can prevent that the ball from dropping from the embedded groove.
Preferably, the backplate is located the fixed ring channel that is provided with in the outside of fixed cover, and sealed inboard end joint in the ring channel to the ring channel inner wall is provided with sealed the pad and seals the lid frictional contact, adjusts at fixed establishment and accomplishes the back, will seal the lid frictional contact in the ring channel, seals fixed knot structure's the outside, avoids external factor to influence the thread bush not hard up to cause the influence to holistic fixed.
Preferably, the heat dissipation frame both sides all run through the heat dissipation channel who is provided with the intercommunication rim inner chamber, and the heat dissipation channel outside of one side is provided with the air outlet, and the air outlet embeds there is miniature fan, and the heat dissipation channel outside of opposite side is provided with the air inlet, and the air inlet embeds there is the filter core, and the miniature fan that utilizes the air outlet gets into the rim inner chamber with the air through the air inlet extraction and by heat dissipation channel after being filtered by the filter core, discharges by miniature fan at last again, utilizes the principle of circulation of air to carry out effectual heat dissipation to the board in a poor light in the rim.
Preferably, the fixed cover in the filter core outside is equipped with the friction cover, and friction cover outer wall and air inlet inner wall all are provided with the friction pad of rubber material, with the filter core through the friction cover joint in the air inlet in the outside carry out detachable fixed mounting, convenient follow-up change or the clearance to the filter core.
Preferably, the inner wall of the heat dissipation channel is provided with a silencing coating, so that noise pollution can be reduced in the ventilation and heat dissipation processes, and the whole mute operation state is ensured.
Preferably, the fixed rubber sleeve that is provided with in the wire outlet cover outside, and the connecting wire activity runs through wire outlet cover, rubber sleeve, and the rubber sleeve outside end is provided with the belt of tightening sealed to it, locates the outside of connecting wire through the rubber sleeve cover to the cover mouth of rubber sleeve is sealed to the belt of tightening to the utilization, and then reduces the probability that dust and aqueous vapor got into.
Compared with the prior art, the invention has the beneficial effects that:
the LED backlight board is based on the existing lamp frame structure design and is innovatively designed aiming at the mounting structure of the LED backlight board, the mounting seat in the lamp frame is clamped and matched with the adjustable fixing mechanism on the back board to extrude the back board, and then the backlight board is fixed on the mounting seat in the lamp frame, so that the operation is convenient, and the follow-up maintenance of the backlight board is also convenient; and leave certain gap around the board that is shaded after the installation, realize effectively dispelling the heat under the cooperation of the miniature fan extraction circulation of air in the heat dissipation frame, the cooperation is crossed the filter core and can is played dustproof effect, and the noise that the air current was led to when the heat dissipation can be reduced to amortization coating in the heat dissipation passageway and is produced, has obvious functional and practical function promotion, is worth current market and uses widely.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view, cross-sectional view of the light frame structure of FIG. 1, in accordance with the present invention;
FIG. 3 is a top view of the heat-dissipating frame shown in FIG. 1;
FIG. 4 is an enlarged view of the fixing mechanism of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the connection structure of the fixing sleeve and the threaded rod in FIG. 4 according to the present invention;
FIG. 6 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
FIG. 7 is an enlarged view of the structure at B in FIG. 3 according to the present invention.
In the figure: 1-lamp frame, 101-transparent plate, 102-fixed seat, 103-bolt, 2-backlight plate, 3-connecting line, 4-mounting seat, 5-back plate, 501-fixed sleeve, 502-threaded rod, 503-butting block, 504-threaded sleeve, 505-limiting block, 506-limiting groove, 507-embedded groove, 508-ball, 6-sealing cover, 601-annular groove, 7-heat dissipation frame, 701-heat dissipation channel, 702-air outlet, 703-mini fan, 704-air inlet, 705-filter element, 706-friction sleeve, 8-wire outlet sleeve, 801-rubber sleeve and 802-tightening belt.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
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.
The utility model provides a mounting structure of miniLED backlight, connecting wire 3 including the board 2 and the board 2 outside in a poor light, still include the frame 1 to the board 2 installation in a poor light, the mount pad 4 that the board 2 both sides of two sets of boards in a poor light of frame 1 inner wall fixedly connected with supported, with the board 2 both sides joint in a poor light between mount pad 4, fixedly connected with backplate 5 can be dismantled at the frame 1 back, backplate 5 outside runs through the fixed establishment who is provided with the board 2 in a poor light, utilize fixed establishment to be fixed in the board 2 in a poor light on two sets of mount pads 4 of the 1 inner chamber of frame, and the frame 1 back has set up the opening of butt joint inner chamber, the opening is used for installing backplate 5, and utilize backplate 5 to seal the 1 inner chamber of frame simultaneously, backplate 5 outside and the contact surface of frame 1 still preferably increase sealed pad when the design, and then guarantee holistic installation sealing effect, and backplate 5 outside still runs through be provided with butt joint in the heat dissipation frame 7 and the wire sleeve 8 that connect in the 1 inner chamber of frame, heat dissipation frame 7 is used as the board 2 that carries out the heat dissipation and carry out the operation, and go into the board 3 outside and the supplementary wiring effect of the board that gets into when sealing, it damages to the board, it, the external board that the external connection, it is sealed effect of protecting, it, the external dust that goes into, the external board 2 that the external connection of the external connection, the damage.
Referring to specification figure 2, wherein, crossing that lamp frame 1 openly is provided with the transparent plate 101 that docks in board 2 in a poor light, 1 corner position fixedly connected with fixing base 102 of lamp frame, and all can dismantle fixed connection through bolt 103 between fixing base 102 and the external world and between lamp frame 1 and the backplate 5, the light that transparent plate 101 makes things convenient for board 2 in a poor light conveys externally, fixing base 102 is convenient to wholly and externally can dismantle fixed connection, detachable backplate 5 still makes things convenient for follow-up dismantlement to board 2 in a poor light to maintain when carrying out the confined to lamp frame 1 simultaneously.
Referring to the attached drawings 3-5 of the specification, the fixing mechanism includes a fixing sleeve 501 fixedly penetrating through the back plate 5, a threaded rod 502 is movably inserted and penetrated in the fixing sleeve 501, an abutting block 503 abutting against the back of the backlight plate 2 is fixedly connected to the inner side end of the threaded rod 502, a threaded sleeve 504 is rotatably connected to the outer side end of the fixing sleeve 501, the threaded sleeve is sleeved outside the threaded rod 502, a limiting block 505 is fixedly connected to the inner wall of the fixing sleeve 501 in the longitudinal direction, and a limiting groove 506 sliding in the limiting direction with the limiting block 505 is longitudinally arranged on the outer side of the threaded rod 502. When fixing board 2 in a poor light, through thread bush 504 screw thread drive threaded rod 502, because spacing slip between the spacing groove 506 in the threaded rod 502 outside and the stopper 505 of fixed cover 501 inner wall, and then can drive threaded rod 502 and go up and down in fixed cover 501, utilize on the butt piece 503 in the fixed cover 501 outside is fixed in the built-in mount pad 4 of rim 1 with board 2 butt in a poor light, the completion is to board 2 in a poor light's dismantlement portable installation, compare and install in traditional viscose's mode, holistic operation is more simple, also be favorable to its heat dissipation to the gap of board 2 installation in a poor light is retained simultaneously, the practicality is also more obvious.
Wherein, the outside of stopper 505 is provided with curved embedded groove 507, and the embedded groove 507 internalization is provided with ball 508, and the diameter of ball 508 is greater than the notch diameter of embedded groove 507, utilizes ball 508 active contact to reduce gliding frictional force in the inner wall of spacing groove 506 to still can prevent that ball 508 from dropping from embedded groove 507.
Refer to description figure 6, wherein, backplate 5 is located the fixed ring channel 601 that is provided with in the outside of fixed cover 501, and the inboard end joint of sealed lid 6 in ring channel 601, and then protect fixed establishment's drive regulation part, external environmental impact causes the interference to the thread bush 504 among the fixed establishment when avoiding using, and then the influence is to the steadiness of 2 centre grippings of board in a poor light, and ring channel 601 inner wall is provided with sealed pad and the 6 frictional contact of sealed lid, can be to the installation of sealed 6 joints, it is very convenient and have certain stability.
Referring to the attached drawings 3 and 7 of the specification, wherein, heat dissipation channels 701 communicated with the inner cavity of the lamp frame 1 are respectively arranged on two sides of the heat dissipation frame 7 in a penetrating manner, an air outlet 702 is arranged on the outer side of the heat dissipation channel 701 on one side, an air inlet 704 is arranged on the outer side of the heat dissipation channel 701 on the other side, so that air can flow through a group of heat dissipation channels 701 from the outside through the air inlet 704 and then enter the inner cavity of the lamp frame 1, and then flow out from the other group of heat dissipation channels 701 to the air outlet 702 to be discharged, a micro fan 703 is arranged in the air outlet 702, air circulation is extracted by using the micro fan 703, a backlight plate 2 in the inner cavity of the lamp frame 1 is cooled by using the principle of air circulation, a filter element 705 is arranged in the air inlet 704, the filter element 705 can filter dust and moisture of external air, protect the backlight plate 2 in the lamp frame 1, a friction sleeve 706 is fixedly sleeved on the outer side of the filter element, and friction pads made of rubber materials are arranged on the outer wall of the friction sleeve 706 and the inner wall of the air inlet 704, so that the filter element 705 can be detachably and portably installed, and the filter element 705 can be conveniently maintained or replaced subsequently, the inner wall of the heat dissipation channel 701 is provided with a coating, noise reduction coating layer is arranged, thereby reducing the noise generated during heat dissipation and ensuring that the whole operation under the relatively silent environment.
Referring to the attached drawing 6 of the specification, wherein a rubber sleeve 801 is fixedly arranged on the outer side of the wire outlet sleeve 8, the connecting wire 3 movably penetrates through the wire outlet sleeve 8 and the rubber sleeve 801, the rubber sleeve 801 is used for tightening and sleeving the outer side of the connecting wire 3 so as to seal the wire outlet sleeve 8 relatively, a tightening belt 802 for sealing the rubber sleeve 801 is arranged on the outer side end of the rubber sleeve 801, the sleeve opening of the rubber sleeve 801 is completely sealed by the tightening belt 802, the probability of dust or moisture entering the inner cavity of the lamp frame 1 is reduced, and an auxiliary protection effect is achieved.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention. In addition, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings and are merely for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the referenced devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (10)
1. The utility model provides a mounting structure of miniLED backlight, includes connecting wire (3) in the board (2) and the board (2) outside in a poor light, still includes lamp frame (1) to the board (2) installation in a poor light, its characterized in that, lamp frame (1) inner wall fixedly connected with two sets mount pad (4) to board (2) both sides support in a poor light, and the lamp frame (1) back has set up the opening that docks the inner chamber, and lamp frame (1) back can be dismantled fixedly connected with and to opening confined backplate (5), and backplate (5) outside runs through the fixed establishment who is provided with board (2) in a poor light, and backplate (5) outside still runs through to be provided with butt joint in heat dissipation frame (7) and wire outlet sleeve (8) of lamp frame (1) inner chamber.
2. The mounting structure of a miniLED backlight according to claim 1, wherein the front surface of the bezel (1) is provided with a transparent plate (101) abutting against the backlight plate (2), the corners of the bezel (1) are fixedly connected with fixing bases (102), and the fixing bases (102) are detachably and fixedly connected with the outside and the bezel (1) is fixedly connected with the back plate (5) through bolts (103).
3. The mounting structure of a miniLED backlight source as claimed in claim 2, wherein the fixing mechanism comprises a fixing sleeve (501) fixedly penetrating through the back plate (5), a threaded rod (502) is movably inserted in the fixing sleeve (501), an abutting block (503) abutting against the back surface of the backlight plate (2) is fixedly connected to the inner end of the threaded rod (502), and a threaded sleeve (504) is rotatably connected to the outer end of the fixing sleeve (501) and is sleeved on the outer side of the threaded rod (502).
4. The mounting structure of a miniLED backlight source as claimed in claim 3, wherein the inner wall of the fixing sleeve (501) is longitudinally and fixedly connected with a limiting block (505), and the outer side of the threaded rod (502) is longitudinally provided with a limiting groove (506) which is limited and slid with the limiting block (505).
5. The mounting structure of a miniLED backlight according to claim 4, wherein an arc-shaped embedding groove (507) is formed in the outer side of the limiting block (505), a ball (508) is movably arranged in the embedding groove (507), and the diameter of the ball (508) is larger than the diameter of the notch of the embedding groove (507).
6. The mounting structure of a miniLED backlight source as claimed in claim 5, wherein the back plate (5) is fixedly provided with an annular groove (601) at the outer side of the fixing sleeve (501), the inner end of the sealing cover (6) is clamped in the annular groove (601), and the inner wall of the annular groove (601) is provided with a sealing gasket in frictional contact with the sealing cover (6).
7. The structure for mounting a miniLED backlight according to claim 6, wherein heat dissipation channels (701) communicating with the inner cavity of the bezel (1) are formed through both sides of the heat dissipation frame (7), an air outlet (702) is formed outside the heat dissipation channel (701) on one side, a mini fan (703) is disposed in the air outlet (702), an air inlet (704) is formed outside the heat dissipation channel (701) on the other side, and a filter element (705) is disposed in the air inlet (704).
8. The mounting structure of a miniLED backlight source as claimed in claim 7, wherein a friction sleeve (706) is fixedly sleeved outside the filter element (705), and friction pads made of rubber are disposed on the outer wall of the friction sleeve (706) and the inner wall of the air inlet (704).
9. The mounting structure of a miniLED backlight as claimed in claim 8, wherein the inner wall of the heat dissipation channel (701) is provided with a sound attenuation coating.
10. The mounting structure of a miniLED backlight source as claimed in claim 9, wherein the outer side of the outlet sleeve (8) is fixedly provided with a rubber sleeve (801), the connecting wire (3) movably penetrates through the outlet sleeve (8) and the rubber sleeve (801), and the outer side end of the rubber sleeve (801) is provided with a tightening belt (802) for sealing the rubber sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211532571.0A CN115933250A (en) | 2022-12-01 | 2022-12-01 | Mounting structure of miniLED backlight |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211532571.0A CN115933250A (en) | 2022-12-01 | 2022-12-01 | Mounting structure of miniLED backlight |
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| CN115933250A true CN115933250A (en) | 2023-04-07 |
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| CN202211532571.0A Pending CN115933250A (en) | 2022-12-01 | 2022-12-01 | Mounting structure of miniLED backlight |
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| CN216387658U (en) * | 2021-09-02 | 2022-04-26 | 常州泉晋光电有限公司 | Anti-vibration's high stability LED backlight |
| CN216388590U (en) * | 2021-09-02 | 2022-04-26 | 常州泉晋光电有限公司 | High strength LED backlight structure convenient to maintenance |
| CN216118310U (en) * | 2021-09-29 | 2022-03-22 | 深圳市科讯光电科技有限公司 | Screen backlight convenient to dismouting |
| CN113960836A (en) * | 2021-10-09 | 2022-01-21 | 星源电子科技(深圳)有限公司 | MiniLED backlight unit that equipment is convenient for to sealing performance is good |
| CN216561318U (en) * | 2021-12-30 | 2022-05-17 | 深圳市嘉裕洋科技有限公司 | Liquid crystal display screen with light source protection mechanism |
| CN114942548A (en) * | 2022-06-02 | 2022-08-26 | 深圳市宏普欣电子科技有限公司 | Mini LED backlight |
| CN217506328U (en) * | 2022-06-24 | 2022-09-27 | 深圳市威天光电科技有限公司 | LED backlight installation fixed establishment |
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