CN214745598U - LED backlight heat radiation structure - Google Patents
LED backlight heat radiation structure Download PDFInfo
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- CN214745598U CN214745598U CN202120766320.3U CN202120766320U CN214745598U CN 214745598 U CN214745598 U CN 214745598U CN 202120766320 U CN202120766320 U CN 202120766320U CN 214745598 U CN214745598 U CN 214745598U
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- Prior art keywords
- led backlight
- fixedly connected
- backlight
- cooling plate
- backlight source
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Abstract
The utility model discloses a LED backlight heat radiation structure, concretely relates to heat radiation structure field, including backlight backplate and with the casing of backlight backplate joint, the surface of backlight backplate can be dismantled and is connected with the cooling plate, the inside embedding of cooling plate has back the shape cooling tube, one side fixed mounting of backlight backplate has the stock solution box that is used for storing the coolant liquid, the intercommunication has a raceway between the one end of stock solution box and back the shape cooling tube, the fixed surface of cooling plate installs miniature pump. The utility model discloses can utilize micro-water pump's function, with the coolant liquid suction in the stock solution box to the inside of returning the shape cooling tube, utilize the coolant liquid that flows in returning the shape cooling tube to absorb the heat that the LED backlight produced to carry the inside that can stock solution box, accomplish the recycling of coolant liquid, thereby utilize the heat that water-cooled mode produced the LED backlight to dispel the heat.
Description
Technical Field
The utility model relates to a heat radiation structure technical field, more specifically say, the utility model relates to a LED backlight heat radiation structure.
Background
The LED backlight source has the characteristics of high brightness, long service life, uniform light emission and the like. LED backlights have a longer lifetime (over 5000 hours) than EL and use dc voltages and are typically used in small monochrome displays such as phones, remote controls, microwave ovens, air conditioners, instruments, stereo audio equipment, etc.
However, in actual use, the LED backlight generates high temperature during use, and if heat dissipation is not performed in time, the operation of the LED backlight is unstable, and therefore a heat dissipation mechanism is required to dissipate the generated high temperature.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defects in the prior art, the embodiments of the present invention provide a heat dissipation structure for LED backlight source to solve the problems proposed in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a light-emitting diode (LED) backlight source heat dissipation structure comprises a backlight source back plate and a shell clamped with the backlight source back plate, wherein the surface of the backlight source back plate is detachably connected with a cooling plate, a clip-shaped cooling pipe is embedded in the cooling plate, a liquid storage box for storing cooling liquid is fixedly installed on one side of the backlight source back plate, a first water pipe is communicated between the liquid storage box and one end of the clip-shaped cooling pipe, a micro water pump is fixedly installed on the surface of the cooling plate, a second water pipe is communicated between the input end of the micro water pump and the other end of the clip-shaped cooling pipe, a third water pipe is communicated between the output end of the micro water pump and the liquid storage box, through holes are formed in both sides of the shell, fixing boxes are detachably connected on the inner walls of both sides of the shell, a support is fixedly connected in the fixing boxes, and a micro motor is fixedly installed in the middle of the support, the output shaft of micro motor fixedly connected with flabellum, the vent corresponding with the through-hole has been seted up to one side of fixed box, a plurality of ventilation hole one number has been seted up to the opposite side of fixed box.
Furthermore, the other side fixedly connected with connection pad of fixed box, just No. two ventilation holes corresponding with a ventilation hole are seted up to the side of connection pad, one side fixedly connected with a plurality of that the connection pad is kept away from fixed box is the radiating fin of circumference distribution.
Furthermore, the back both sides of backlight backplate all are seted up flutedly, the inside fixedly connected with fixture block of recess, the edge fixedly connected with of casing controls the elasticity kelly that distributes about two, just the fixed surface of elasticity kelly is connected with the fixture block No. two of a fixture block joint.
Furthermore, four edges of the cooling plate are provided with screws, and the cooling plate is detachably connected with the backlight backboard through four screws.
Furthermore, the outer lane fixedly connected with of miniature pump is four mounting brackets that are the circumference and distribute, just four mounting brackets can be dismantled through four No. two screws and cooling plate and be connected.
Further, the top and the equal fixedly connected with mounting bracket No. two in bottom of fixed box, and two the mounting bracket No. two can be dismantled through the inner wall of two No. three screws and casing and be connected.
Furthermore, the water inlet has been seted up at the top of stock solution box, just the water inlet internal thread connection has a jam screw No. one, the apopore has been seted up to the side bottom of stock solution box, just apopore internal thread connection has No. two jam screws.
The utility model discloses a technological effect and advantage:
1. compared with the prior art, through setting up the cooling tube that returns the shape, can utilize micro-water pump's function, with the inside of the cooling liquid suction of liquid storage box to returning the shape cooling tube, utilize the cooling liquid that flows back in the shape cooling tube to absorb the heat that the LED backlight produced to carry the inside that can the liquid storage box, accomplish the used circulation of cooling liquid, thereby utilize the water-cooled mode to dispel the heat to the heat that the LED backlight produced.
2. Compared with the prior art, through setting up micro motor, can utilize micro motor's rotation to drive the flabellum and rotate to produce the wind that outwards blows off, under the flow of wind, the heat that the LED backlight produced flows to with the radiating fin contact along with wind, and radiating fin dispels the heat to the heat in the wind, and the inside of rethread ventilation hole and through-hole follow casing is discharged, thereby further dispels the heat to the heat that the LED backlight produced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the cooling plate of the present invention.
Fig. 3 is a top view of the backlight back plate and the housing of the present invention.
Fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.
Fig. 5 is a side view of the fixing box of the present invention.
The reference signs are: 1. a backlight backplane; 2. a housing; 3. a cooling plate; 4. a cooling pipe in a shape of a Chinese character 'hui'; 5. a liquid storage box; 6. a water delivery pipe I; 7. a micro water pump; 8. a second water conveying pipe; 9. a third water conveying pipe; 10. a through hole; 11. a fixing box; 12. a support; 13. a micro motor; 14. a fan blade; 15. a vent; 16. a first ventilation hole; 17. a connecting disc; 18. a second vent hole; 19. a heat dissipating fin; 20. a groove; 21. a first clamping block; 22. an elastic clamping rod; 23. a second clamping block; 24. a first mounting frame; 25. a second mounting rack; 26. a first blocking screw; 27. and a second blocking screw.
Detailed Description
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 work belong to the protection scope of the present invention.
As shown in the accompanying drawings 1-5, an LED backlight source heat dissipation structure includes a backlight source backboard 1 and a casing 2 connected with the backlight source backboard 1 in a clamping manner, a cooling plate 3 is detachably connected to the surface of the backlight source backboard 1, a cooling tube 4 is embedded in the cooling plate 3, a liquid storage box 5 for storing cooling liquid is fixedly installed at one side of the backlight source backboard 1, a water pipe 6 is communicated between the liquid storage box 5 and one end of the cooling tube 4, a micro water pump 7 is fixedly installed on the surface of the cooling plate 3, a water pipe 8 is communicated between the input end of the micro water pump 7 and the other end of the cooling tube 4, a water pipe 9 is communicated between the output end of the micro water pump 7 and the liquid storage box 5, through holes 10 are respectively opened at two sides of the casing 2, fixing boxes 11 are detachably connected to inner walls at two sides of the casing 2, a support 12 is fixedly connected to the inside of the fixing boxes 11, a micro motor 13 is fixedly mounted in the middle of the bracket 12, a fan blade 14 is fixedly connected to an output shaft of the micro motor 13, a vent 15 corresponding to the through hole 10 is formed in one side of the fixing box 11, and a plurality of first vent holes 16 are formed in the other side of the fixing box 11.
In a preferred embodiment, the other side of the fixing box 11 is fixedly connected with a connecting disc 17, a second ventilation hole 18 corresponding to the first ventilation hole 16 is formed in the side surface of the connecting disc 17, one side of the connecting disc 17 far away from the fixing box 11 is fixedly connected with a plurality of radiating fins 19 distributed circumferentially, so that the blades 14 can be driven to rotate by the rotation of the micro motor 13, and thus outward blown wind is generated, under the flowing of the wind, heat generated by the LED backlight flows to be in contact with the radiating fins 19 along with the flowing of the wind, the radiating fins 19 radiate the heat in the wind, and the heat generated by the LED backlight is exhausted from the inside of the housing 2 through the ventilation holes 15 and the through holes 10, so that the heat generated by the LED backlight is radiated.
In a preferred embodiment, both sides of the back surface of the backlight backboard 1 are provided with grooves 20, a first clamping block 21 is fixedly connected inside the grooves 20, two elastic clamping rods 22 distributed left and right are fixedly connected at the edge of the casing 2, and a second clamping block 23 clamped with the first clamping block 21 is fixedly connected to the surface of the elastic clamping rod 22, so that the first clamping block 21 on the elastic clamping rod 22 can be clamped with the second clamping block 23, and the casing 2 can be conveniently mounted and dismounted.
In a preferred embodiment, a first screw is disposed at each of four corners of the cooling plate 3, and the cooling plate 3 is detachably connected to the backlight back plate 1 through the four first screws, so that the cooling plate 3 can be mounted and dismounted by the first screws.
In a preferred embodiment, the outer ring of the micro water pump 7 is fixedly connected with four first mounting frames 24 distributed circumferentially, and the four first mounting frames 24 are detachably connected with the cooling plate 3 through four second screws, so that the micro water pump 7 can be mounted and dismounted by the aid of the second screws, and the micro water pump 7 is convenient to replace.
In a preferred embodiment, a second mounting rack 25 is fixedly connected to the top and the bottom of the fixing box 11, and the two second mounting racks 25 are detachably connected to the inner wall of the housing 2 by two third screws, so that the fixing box 11 can be mounted and dismounted by the third screws.
In a preferred embodiment, the top of the liquid storage box 5 is provided with a water inlet hole, the water inlet hole is internally threaded with a first blocking screw 26, the bottom of the side surface of the liquid storage box 5 is provided with a water outlet hole, and the water outlet hole is internally threaded with a second blocking screw 27, so that the first blocking screw 26 and the second blocking screw 27 can be utilized, and the coolant in the liquid storage box 5 can be conveniently replaced.
The utility model discloses the theory of operation: when the LED backlight source heat dissipation device is used, through the operation of the micro water pump 7, the cooling liquid in the liquid storage box 5 is pumped into the clip-shaped cooling pipe 4, the heat generated by the LED backlight source is absorbed by the cooling liquid flowing in the clip-shaped cooling pipe 4, the liquid storage box 5 is conveyed to the inside, the recycling of the cooling liquid is completed, the heat generated by the LED backlight source is dissipated in a water cooling mode, meanwhile, the rotation of the micro motor 13 drives the fan blades 14 to rotate, outward blowing-out wind is generated, under the flowing of the wind, the heat generated by the LED backlight source flows to be in contact with the heat dissipation fins 19 along with the wind, the heat dissipation fins 19 dissipate the heat in the wind, and then the heat generated by the LED backlight source is discharged from the inside of the shell 2 through the ventilation holes 15 and the through holes 10.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a LED backlight heat radiation structure, includes backlight backplate (1) and with casing (2) of backlight backplate (1) joint, its characterized in that: the surface of the backlight source backboard (1) is detachably connected with a cooling plate (3), a clip-shaped cooling pipe (4) is embedded in the cooling plate (3), a liquid storage box (5) for storing cooling liquid is fixedly mounted on one side of the backlight source backboard (1), a first water pipe (6) is communicated between the liquid storage box (5) and one end of the clip-shaped cooling pipe (4), a micro water pump (7) is fixedly mounted on the surface of the cooling plate (3), a second water pipe (8) is communicated between the input end of the micro water pump (7) and the other end of the clip-shaped cooling pipe (4), a third water pipe (9) is communicated between the output end of the micro water pump (7) and the liquid storage box (5), through holes (10) are formed in both sides of the shell (2), and fixing boxes (11) are detachably connected with the inner walls of both sides of the shell (2), the inside fixedly connected with support (12) of fixed box (11), the middle part fixed mounting of support (12) has micro motor (13), the output shaft fixedly connected with flabellum (14) of micro motor (13), vent (15) corresponding with through-hole (10) have been seted up to one side of fixed box (11), a plurality of ventilation hole (16) have been seted up to the opposite side of fixed box (11).
2. The heat dissipation structure of the LED backlight source of claim 1, wherein: the opposite side fixedly connected with connection pad (17) of fixed box (11), just No. two ventilation holes (18) corresponding with a ventilation hole (16) are seted up to the side of connection pad (17), one side fixedly connected with a plurality of that fixed box (11) was kept away from in connection pad (17) is radiating fin (19) that the circumference distributes.
3. The heat dissipation structure of the LED backlight source of claim 2, wherein: the utility model discloses a backlight backplate (1) is characterized in that the back both sides of backlight backplate all are seted up flutedly (20), fixture block (21) of the inside fixedly connected with of recess (20), elasticity kelly (22) that distribute about two fixedly connected with of edge of casing (2), just fixture block (23) of two of elasticity kelly (22) fixed surface connection and fixture block (21) joint.
4. The heat dissipation structure of the LED backlight source of claim 3, wherein: four edges of cooling plate (3) all are provided with a screw, just cooling plate (3) can be dismantled with backlight backplate (1) through four screws and be connected.
5. The heat dissipation structure of the LED backlight source of claim 4, wherein: the outer lane fixedly connected with of miniature pump (7) is four mounting brackets (24) that are the circumference and distribute, just four mounting brackets (24) can be dismantled through four No. two screws and cooling plate (3) and be connected.
6. The heat dissipation structure of the LED backlight source of claim 5, wherein: the top and the bottom of fixed box (11) equal fixedly connected with mounting bracket No. two (25), and two mounting bracket No. two (25) can be dismantled through the inner wall of two No. three screws and casing (2) and be connected.
7. The heat dissipation structure of the LED backlight source of claim 6, wherein: the water inlet has been seted up at the top of stock solution box (5), just No. one jam screw (26) of water inlet female connection, the apopore has been seted up to the side bottom of stock solution box (5), just apopore female connection has No. two jam screws (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120766320.3U CN214745598U (en) | 2021-04-15 | 2021-04-15 | LED backlight heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120766320.3U CN214745598U (en) | 2021-04-15 | 2021-04-15 | LED backlight heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214745598U true CN214745598U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120766320.3U Expired - Fee Related CN214745598U (en) | 2021-04-15 | 2021-04-15 | LED backlight heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214745598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119335779A (en) * | 2024-10-21 | 2025-01-21 | 万载南极光电子科技有限公司 | A backlight module with multiple heat dissipation components |
-
2021
- 2021-04-15 CN CN202120766320.3U patent/CN214745598U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119335779A (en) * | 2024-10-21 | 2025-01-21 | 万载南极光电子科技有限公司 | A backlight module with multiple heat dissipation components |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |