CN217091479U

CN217091479U - Ultraviolet LED with quick heat dissipation function

Info

Publication number: CN217091479U
Application number: CN202122829804.0U
Authority: CN
Inventors: 袁九龙; 沈春生; 祝家林
Original assignee: Jiangsu Mingna Semiconductor Technology Co ltd
Current assignee: Jiangsu Wenyang Semiconductor Technology Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-08-02
Anticipated expiration: 2031-11-18

Abstract

The utility model belongs to the technical field of ultraviolet LED, and discloses an ultraviolet LED with quick heat dissipation function, which comprises a shell, wherein the surface of the shell is fixedly connected with a transparent cover, the inner cavity of the shell is fixedly connected with a circuit board, the surface of the circuit board is fixedly connected with an installation block, the surface of the installation block is provided with an LED lamp holder, the top of the shell is fixedly connected with a fan box, the interior of the fan box is fixedly connected with a suction fan, firstly, the suction fan in the fan box is used for blowing air to give an air pipe, the air is transmitted to a second branch pipe through the air outlet pipe, then is transmitted to a transverse pipe through the second branch pipe, then is transmitted to a spray head through the transverse pipe, finally, the air is blown to the circuit board through the spray head for air cooling and heat dissipation, meanwhile, the air in the air outlet pipe is blown to the interior of the installation block through the first branch pipe, so as to dissipate heat of a resin board, double heat dissipation, the junction of the ultraviolet LED is protected, and internal elements are protected at the same time, the internal temperature of the ultraviolet LED is rapidly reduced, and the service life of the ultraviolet LED is prolonged.

Description

Ultraviolet LED with quick heat dissipation function

Technical Field

The utility model belongs to the technical field of ultraviolet LED, specifically an ultraviolet LED with quick heat dissipation function.

Background

Ultraviolet LEDs are LEDs having a central wavelength of 400nm or less, but they are sometimes called near-ultraviolet LEDs when the emission wavelength is more than 380nm and deep-ultraviolet LEDs when the emission wavelength is less than 300nm, and ultraviolet LEDs are often used for sterilization, deodorization, and other purposes of refrigerators, home appliances, and the like because of their high sterilization effect by short-wavelength light.

Existing ultraviolet LEDs, while convenient to use, still have some problems, for example; the photoelectric conversion efficiency of the existing ultraviolet LED is not high in the using process, a large amount of electric energy is converted into heat energy, the internal temperature of the ultraviolet LED is very high, the connection part of the ultraviolet LED is easy to soften, internal elements can be damaged at the same time, the damage of the ultraviolet LED is accelerated, the existing ultraviolet LED cannot rapidly dissipate heat, and the ultraviolet LED cannot be protected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an ultraviolet LED with quick heat dissipation function has solved current ultraviolet LED and is not high at photoelectric conversion efficiency in the use, and a large amount of electric energy conversion is heat energy, and this internal temperature that just leads to ultraviolet LED is very high, makes ultraviolet LED's junction soften easily, also can destroy internal element simultaneously, ultraviolet LED's damage with higher speed, and current ultraviolet LED can not dispel the heat fast, can not carry out the problem protected to ultraviolet LED.

In order to achieve the above object, the utility model provides a following technical scheme: an ultraviolet LED with a rapid heat dissipation function comprises a shell, wherein a transparent cover is fixedly connected to the surface of the shell, a circuit board is fixedly connected to the inner cavity of the shell, a mounting block is fixedly connected to the surface of the circuit board, an LED lamp holder is arranged on the surface of the mounting block, a fan box is fixedly connected to the top of the shell, a suction fan is fixedly connected to the inside of the fan box, the top of the suction fan is communicated with an air inlet pipe, one end, away from the suction fan, of the air inlet pipe penetrates through the top of the fan box and extends to the outside, the bottom of the suction fan is communicated with an air outlet pipe, one side, away from the suction fan, of the air outlet pipe penetrates through the bottom of the fan box and the top of the shell and extends to the inside of the shell, the part, extending to the inside of the shell, of the air outlet pipe is in contact with the circuit board, one side of the air outlet pipe is communicated with a second branch pipe, and one end of the second branch pipe is communicated with a transverse pipe, the both ends of violently managing all communicate there is the shower nozzle, the below intercommunication that one side of going out the tuber pipe and being located the second and dividing the pipe has first branch pipe, the one end of first branch pipe runs through installation piece and shell in proper order and extends to the outside of shell.

As the utility model discloses an ultraviolet LED preferred technical scheme with quick heat dissipation function, the back fixedly connected with resin plate of LED lamp holder, the surface of installation piece is run through to the back of resin plate, the top of resin plate is provided with the bullet piece, the one end that has the bullet piece runs through the resin plate and extends to the outside, fixedly connected with spring between the bottom of resin plate inner chamber and the one end that the bullet piece is located the resin plate inner chamber.

As the utility model discloses an ultraviolet LED preferred technical scheme with quick heat dissipation function, the bullet piece extends to the outside one end of resin plate and runs through the inner chamber of installation piece, the inner chamber of installation piece is provided with the push rod with bullet piece looks adaptation, the both sides fixedly connected with stopper of push rod, the bullet piece extends to the outside one end of resin plate and the bottom contact of push rod.

As the utility model discloses an ultraviolet LED preferred technical scheme with quick heat dissipation function, the guiding gutter has all been seted up to the both sides of installation piece inner chamber.

As the utility model discloses an ultraviolet LED preferred technical scheme with quick heat dissipation function, the inner chamber of shell just is located the place ahead fixedly connected with light guide plate of circuit board.

As the utility model discloses an preferred technical scheme of ultraviolet LED with quick heat dissipation function, the inner chamber of shell just is located the fixedly connected with board in a poor light behind the circuit board.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. by arranging the fan box, the air outlet pipe, the first branch pipe and the second branch pipe to act together, firstly, a suction fan in the fan box is used for blowing air to give an air pipe, the air is conveyed to the second branch pipe through the air outlet pipe, then conveyed to the transverse pipe through the second branch pipe, then conveyed to the spray head through the transverse pipe, finally, the air is blown to the circuit board through the spray head for air cooling and heat dissipation, meanwhile, the air in the air outlet pipe is blown to the inside of the mounting block through the first branch pipe to dissipate heat of the resin board, and double heat dissipation is realized, so that the problems that the photoelectric conversion efficiency of the existing ultraviolet LED in the use process is not high, a large amount of electric energy is converted into heat energy, the internal temperature of the ultraviolet LED is very high, the connection part of the ultraviolet LED is easily softened, meanwhile, the internal elements can be damaged, the damage of the ultraviolet LED is accelerated, the existing ultraviolet LED can not dissipate heat quickly, the problem that the ultraviolet LED can not be protected can be solved, and the connection part of the ultraviolet LED can be protected, meanwhile, internal elements are protected, the internal temperature of the ultraviolet LED is rapidly reduced, and the service life of the ultraviolet LED is prolonged.

2 through setting up installation piece, guiding gutter, bullet piece and push rod combined action, utilize the installation piece to make the LED lamp holder be connected with the circuit board, the bullet piece in the resin plate of LED lamp holder bottom receives the spring action card of spring and goes into the installation piece inner chamber, makes the LED lamp holder fix on the installation piece, when needs lift off the LED lamp holder make promote the push rod with the bullet piece release can, convenient operation can make wind directly blow to the resin plate through the guiding gutter simultaneously, improve cooling efficiency.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a perspective view of the circuit board, light guide plate and backlight plate structure of the present invention;

fig. 3 is a perspective view of the circuit board structure of the present invention;

FIG. 4 is a cross-sectional view of the mounting block structure of the present invention;

fig. 5 is a cross-sectional view of the fan box structure of the present invention.

In the figure: 1. a housing; 2. a transparent cover; 3. a circuit board; 4. a light guide plate; 5. a backlight plate; 6. a fan box; 7. a suction fan; 8. an air inlet pipe; 9. an air outlet pipe; 10. a first branch pipe; 11. a second branch pipe; 12. a transverse tube; 13. a spray head; 14. mounting blocks; 15. an LED lamp cap; 16. a resin plate; 17. a diversion trench; 18. a spring; 19. a spring block; 20. a push rod; 21. and a limiting block.

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 fig. 1, 2, 3 and 5, an ultraviolet LED with a fast heat dissipation function comprises a housing 1, a transparent cover 2 is fixedly connected to the surface of the housing 1, a circuit board 3 is fixedly connected to the inner cavity of the housing 1, a mounting block 14 is fixedly connected to the surface of the circuit board 3, an LED lamp cap 15 is arranged on the surface of the mounting block 14, a fan box 6 is fixedly connected to the top of the housing 1, a suction fan 7 is fixedly connected to the inside of the fan box 6, the top of the suction fan 7 is communicated with an air inlet pipe 8, one end of the air inlet pipe 8, which is far away from the suction fan 7, penetrates through the top of the fan box 6 and extends to the outside, the bottom of the suction fan 7 is communicated with an air outlet pipe 9, one side of the air outlet pipe 9, which is far away from the suction fan 7, penetrates through the bottom of the fan box 6 and the top of the housing 1 and extends to the inside of the housing 1, the part of the air outlet pipe 9, which extends to the inside of the housing 1 is contacted with the circuit board 3, one side of the air outlet pipe 9 is communicated with a second sub-pipe 11, the one end intercommunication of second minute pipe 11 has violently the pipe 12, and the both ends of violently managing 12 all communicate there is the shower nozzle 13, and the below intercommunication that goes out one side of tuber pipe 9 and be located second minute pipe 11 has first minute pipe 10, and the one end of first minute pipe 10 runs through installation piece 14 and shell 1 in proper order and extends to the outside of shell 1, and the inner chamber of shell 1 just is located the place ahead fixedly connected with light guide plate 4 of circuit board 3, and the fixedly connected with backlight 5 behind the inner chamber of shell 1 just is located circuit board 3.

In this embodiment, the refracting index that improves light through board 5 in a poor light makes the light gathering, rethread light guide plate 4 makes light derive, utilize suction fan 7 in the fan case 6 to blow and give tuber pipe 9, pass to second minute pipe 11 through going out tuber pipe 9, rethread second minute pipe 11 passes to violently managing 12, rethread violently manages 12 and passes to shower nozzle 13, blow the cooling by air on circuit board 3 through shower nozzle 13 at last and dispel the heat, it blows inside installation piece 14 through first minute pipe 10 to go out the wind in the tuber pipe 9 simultaneously, dispel the heat to resin plate 16, dual heat dissipation, protection ultraviolet LED's junction, protect the internals simultaneously, the inside temperature of quick reduction ultraviolet LED, improve ultraviolet LED's life.

As shown in fig. 3 to 4, the back fixedly connected with resin plate 16 of LED lamp holder 15, the back of resin plate 16 runs through the surface of installation piece 14, the top of resin plate 16 is provided with bullet piece 19, the one end that has bullet piece 19 runs through resin plate 16 and extends to the outside, bottom and bullet piece 19 in the resin plate 16 inner chamber are located fixedly connected with spring 18 between the one end of resin plate 16 inner chamber, the one end that bullet piece 19 extends to the resin plate 16 outside runs through the inner chamber of installation piece 14, the inner chamber of installation piece 14 is provided with push rod 20 with bullet piece 19 looks adaptation, the both sides fixedly connected with stopper 21 of push rod 20, the one end that bullet piece 19 extends to the resin plate 16 outside contacts with the bottom of push rod 20, guiding gutter 17 has all been seted up to the both sides of installation piece 14 inner chamber.

In this embodiment, the mounting block 14 is used to connect the LED lamp head 15 with the circuit board 3, the elastic block 19 in the resin plate 16 at the bottom of the LED lamp head 15 is clamped into the inner cavity of the mounting block 14 under the elastic force of the spring 18, so that the LED lamp head 15 is fixed on the mounting block 14, when the LED lamp head 15 needs to be dismounted, the push rod 20 is pushed to push the elastic block 19 out, the operation is convenient, and meanwhile, the air can be directly blown against the resin plate 16 through the guide groove 17, so that the cooling efficiency is improved.

The working principle and the using process of the utility model are as follows; when ultraviolet LED fast heat dissipation needs, at first induced draft through air-supply line 8 on suction fan 7 top in fan case 6, then blow through suction fan 7 and give tuber pipe 9, pass to second minute pipe 11 through going out tuber pipe 9, the rethread second minute pipe 11 passes horizontal pipe 12, rethread horizontal pipe 12 passes shower nozzle 13, blow to circuit board 3 through shower nozzle 13 at last and carry out the forced air cooling heat dissipation, it blows to inside the installation piece 14 through first minute pipe 10 to go out the wind in the tuber pipe 9 simultaneously, dispel the heat to resin plate 16, it can to make promotion push rod 20 release bullet piece 19 when needing to lift off LED lamp holder 15.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An ultraviolet LED with a rapid heat dissipation function, comprising a housing (1), characterized in that: the surface of the shell (1) is fixedly connected with a transparent cover (2), an inner cavity of the shell (1) is fixedly connected with a circuit board (3), the surface of the circuit board (3) is fixedly connected with a mounting block (14), an LED lamp holder (15) is arranged on the surface of the mounting block (14), the top of the shell (1) is fixedly connected with a fan box (6), the inside of the fan box (6) is fixedly connected with a suction fan (7), the top of the suction fan (7) is communicated with an air inlet pipe (8), one end, away from the suction fan (7), of the air inlet pipe (8) penetrates through the top of the fan box (6) and extends to the outside, the bottom of the suction fan (7) is communicated with an air outlet pipe (9), one side, away from the suction fan (7), of the air outlet pipe (9 penetrates through the bottom of the fan box (6) and the top of the shell (1) and extends to the inside of the shell (1), it contacts with circuit board (3) to go out the inside part of tuber pipe (9) and extend to shell (1), the one side intercommunication that goes out tuber pipe (9) has the second to divide pipe (11), the one end intercommunication that the second divides pipe (11) has violently pipe (12), the both ends of violently pipe (12) all communicate has shower nozzle (13), the below intercommunication that goes out one side of tuber pipe (9) and be located second branch pipe (11) has first branch pipe (10), the one end of first branch pipe (10) runs through installation piece (14) and shell (1) in proper order and extends to the outside of shell (1).

2. The ultraviolet LED with the rapid heat dissipation function as recited in claim 1, wherein: the back fixedly connected with resin board (16) of LED lamp holder (15), the surface of installation piece (14) is run through at the back of resin board (16), the top of resin board (16) is provided with bullet piece (19), the one end that has bullet piece (19) runs through resin board (16) and extends to the outside, fixedly connected with spring (18) between the bottom in resin board (16) inner chamber and the one end that bullet piece (19) are located resin board (16) inner chamber.

3. The ultraviolet LED with the rapid heat dissipation function as recited in claim 2, wherein: the utility model discloses a resin plate, including resin plate (16), bullet piece (19), installation piece (14) are run through to the outside one end of resin plate (16) inner chamber of installation piece (14), the inner chamber of installation piece (14) is provided with push rod (20) with bullet piece (19) looks adaptation, the both sides fixedly connected with stopper (21) of push rod (20), bullet piece (19) extend to the outside one end of resin plate (16) and the bottom contact of push rod (20).

4. The ultraviolet LED with the rapid heat dissipation function as recited in claim 1, wherein: and flow guide grooves (17) are formed in two sides of the inner cavity of the mounting block (14).

5. The ultraviolet LED with the rapid heat dissipation function as recited in claim 1, wherein: the inner cavity of the shell (1) is fixedly connected with a light guide plate (4) in front of the circuit board (3).

6. The ultraviolet LED with the rapid heat dissipation function as recited in claim 1, wherein: the inner cavity of the shell (1) is fixedly connected with a backlight plate (5) which is positioned behind the circuit board (3).