CN216244075U - LED car light with heat radiation structure - Google Patents

Abstract

The utility model belongs to the field of car lamps, in particular to an LED car lamp with a heat dissipation structure, which comprises a lamp tube and a lamp sheet, wherein a port of the lamp tube is fixedly connected with a heat dissipation shell, the side surface of the heat dissipation shell is provided with heat dissipation holes, the bottom of the lamp sheet is positioned in the lamp tube and is bonded with a heat conduction sheet, the tail end of the heat conduction sheet is fixedly connected with a heat conduction column, and the tail end of the heat conduction column is positioned on the inner surface of the heat dissipation shell and is fixedly connected with a heat conduction plate; the heat of lamp piece is absorbed and conducted to the heat dissipation shell through conducting strip and conducting post fast, the heat-conducting plate increases the area of contact between heat and the heat dissipation shell on the conducting strip, cooperation conducting post and heating panel are quick with heat conduction effluvium, the refrigeration piece refrigerates No. one fin board and No. two fin boards, the air inlet fan blows to the heat dissipation shell is inside, it is gaseous that gaseous process No. one fin board forms low temperature, inside the shell that dispels the heat is got into through the wind hole, fully carry out the heat exchange with the heat, discharge unnecessary heat from the louvre simultaneously, improve thermal conduction effluvium effect.

Description

LED car light with heat radiation structure

Technical Field

The utility model relates to the field of vehicle lamps, in particular to an LED vehicle lamp with a heat dissipation structure.

Background

The LED vehicle lamp is a vehicle lamp using an LED (light emitting diode) as an illumination light source.

The LED car light is usually installed on a running vehicle for use, is mainly used for illuminating the road on which the vehicle runs, is convenient for a driver to observe road conditions, and improves the running safety of the vehicle.

The LED car lamp that has now can produce more heat in the use, does not utilize heat radiation structure to carry out thermal conduction and dispels, can cause the damage of LED car lamp, influences the life of LED car lamp, increases use cost, consequently, proposes a LED car lamp with heat radiation structure to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problems in the background art, the utility model provides an LED vehicle lamp with a heat dissipation structure.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to an LED car lamp with a heat dissipation structure, which comprises a lamp tube and a lamp piece, wherein a port of the lamp tube is fixedly connected with a heat dissipation shell, the side surface of the heat dissipation shell is provided with heat dissipation holes, the bottom of the lamp piece is positioned inside the lamp tube and is bonded with a heat conducting piece, the tail end of the heat conducting piece is fixedly connected with a heat conducting column, the tail end of the heat conducting column is positioned on the inner surface of the heat dissipation shell and is fixedly connected with a heat conducting plate, the lower end of the heat conducting plate is fixedly connected with a heat conduction column, the tail end of the heat conduction column is fixedly connected with a heat dissipation plate, the port of the heat dissipation shell is bolted with a cooling box, and the interior of the cooling box is bolted with a fan, so that the heat of the LED car lamp can be conducted and dissipated.

Preferably, the heat conducting fins and the heat conducting columns are respectively copper sheets and copper columns, the heat conducting columns are matched with the inner cavities of the lamp tubes, the outer surfaces of the heat conducting columns are attached to the inner surfaces of the lamp tubes, the heat conducting plates are attached to the surfaces of the heat radiating shells, and the heat radiating shells are aluminum shells and are beneficial to heat conduction.

Preferably, the number of the guide pillars is a plurality of groups and is arranged in an array, the heat dissipation plate is a hollow aluminum plate, and the upper outer surface and the lower outer surface of the heat dissipation plate are both in a zigzag shape, so that heat can be dissipated.

Preferably, the inside of heat dissipation shell is close to radiating hole department rigid coupling and has the baffle, the exit end bolt of advancing the fan has connected No. one the fin board, the surface bonding of No. one the fin board has the refrigeration piece, the surface bonding of refrigeration piece has No. two the fin boards, the wind hole has been seted up on the surface of a fin board, the refrigeration piece is the semiconductor refrigeration board, is favorable to the cooling of LED car light, improves the radiating effect.

Preferably, the port of cooler bin upper end sliding connection has the stop pin, the rigid coupling that the surface of stop pin is located the lockplate has the baffle, be sliding connection between baffle and the lockplate, the top cover that the surface of stop pin is located the baffle is equipped with the spring, the stop pin runs through the lockplate, the port of cooler bin is equipped with the connecting plate, the middle part rigid coupling of connecting plate has the dust screen, the top and the below on connecting plate surface rigid coupling respectively have fixed block and lug, the fixed orifices has been seted up on the fixed block upper end surface, the upper surface of connecting block is seted up flutedly, is favorable to the fan-in to blow to the heat dissipation shell is inside when, and the filtration of gas dust avoids the dust to gather.

Preferably, the groove is matched with the bump, the locking pin is matched with the fixing hole, the side face of the connecting plate is fixedly connected with the inserting block, and slots matched with the inserting block are formed in two sides of the surface of the port of the cooling box, so that the fixing effect of the connecting plate is improved.

The utility model has the advantages that:

1. according to the utility model, heat of the lamp piece is quickly absorbed and conducted to the radiating shell through the heat conducting sheet and the heat conducting column, the heat conducting plate increases the contact area between the heat on the heat conducting column and the radiating shell, the heat is quickly conducted and radiated by matching with the heat conducting column and the radiating plate, the first fin plate and the second fin plate are refrigerated by the refrigerating sheet, the air inlet fan blows air into the radiating shell, the air forms low-temperature air through the first fin plate, the low-temperature air enters the radiating shell through the air hole, the heat is fully exchanged with the heat, meanwhile, the redundant heat is discharged from the radiating hole, and the heat conduction and radiation effect is improved.

2. According to the utility model, the lug is inserted into the groove on the connecting block, the inserting block is in butt joint with the slot, the connecting plate is stably connected to the surface of the cooling box, then the locking pin is pulled, the locking pin drives the baffle plate to move, the spring is extruded, when the ports of the fixing block and the locking plate are aligned, the locking pin is loosened, the spring is reset, the locking pin is in butt joint with the fixing hole, and the position of the connecting plate is fixed, so that the dustproof net is stably positioned outside the air inlet of the air inlet fan of the cooling box, and dust is prevented from entering the interior of the heat dissipation shell to accumulate, and heat conduction and heat dissipation are not influenced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

FIG. 2 is a schematic view of another embodiment of the present invention;

FIG. 3 is a cross-sectional view of a light pole, etc., of the present invention;

FIG. 4 is an expanded view of a portion of the structure of the present invention;

FIG. 5 is a schematic view of a fan according to the present invention;

FIG. 6 is a cross-sectional view of a locking plate of the present invention;

fig. 7 is a sectional view of a second embodiment of the present invention.

In the figure: 1. a lamp tube; 2. a lamp sheet; 3. a heat conductive sheet; 4. a heat dissipation housing; 5. a cooling tank; 6. heat dissipation holes; 7. a locking plate; 8. a connecting plate; 9. a dust screen; 10. connecting blocks; 11. a fixed block; 12. a heat-conducting column; 13. a heat conducting plate; 14. a heat dissipation plate; 15. a guide post; 16. a partition plate; 17. a bump; 18. a fixing hole; 19. a groove; 20. a fan inlet; 21. inserting a block; 22. a slot; 23. a first fin plate; 24. a wind hole; 25. a second wing plate; 26. a refrigeration plate; 27. a locking pin; 28. a baffle plate; 29. a spring; 30. and a gasket.

Detailed Description

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-6, an LED car light with a heat dissipation structure includes a lamp tube 1 and a lamp plate 2, a port of the lamp tube 1 is fixedly connected with a heat dissipation housing 4, a side surface of the heat dissipation housing 4 is provided with a heat dissipation hole 6, a bottom of the lamp plate 2 is positioned inside the lamp tube 1 and is bonded with a heat conduction plate 3, a terminal of the heat conduction plate 3 is fixedly connected with a heat conduction post 12, a terminal of the heat conduction post 12 is positioned on an inner surface of the heat dissipation housing 4 and is fixedly connected with a heat conduction plate 13, a lower end of the heat conduction plate 13 is fixedly connected with a heat conduction post 15, a terminal of the heat conduction post 15 is fixedly connected with a heat dissipation plate 14, a port of the heat dissipation housing 4 is bolted with a cooling box 5, and an intake fan 20 is bolted inside the cooling box 5; during operation, when LED car light work produced heat, conducting strip 3 absorbs the heat and transmits for heat conduction post 12, heat conduction post 12 cooperates heat-conducting plate 13 with the heat fast transfer for heat dissipation shell 4, the heat has heat dissipation shell 4 to volatilize and dispel, heat-conducting plate 13 increases the area of contact between heat and the heat dissipation shell 4 on the heat conduction post 12, improve heat conduction efficiency, part heat on the heat conduction post 15 conduction heat-conducting plate 13 gets into heating panel 14, heating panel 14 utilizes the characteristic of cavity and surface buckling to dispel the heat conduction to outside air fast, steam is discharged from louvre 6, at this moment, air inlet fan 20 works, blow to inside heat dissipation shell 4, low-temperature gas gets into inside heat dissipation shell 4, discharge the heat from louvre 6, improve the thermal conduction radiating effect of LED car light, and prolong service life.

The heat conducting sheet 3 and the heat conducting column 12 are respectively a copper sheet and a copper column, the heat conducting column 12 is matched with the inner cavity of the lamp tube 1, the outer surface of the heat conducting column 12 is tightly attached to the inner surface of the lamp tube 1, the heat conducting plate 13 is tightly attached to the surface of the heat radiating shell 4, and the heat radiating shell 4 is an aluminum shell; during operation, the heat conducting sheet 3 and the heat conducting column 12 respectively adopt a copper sheet and a copper column, which is beneficial to rapid heat conduction, the heat conducting column 12 is matched with the inner cavity of the lamp tube 1, the outer surface of the heat conducting column is tightly attached to the inner surface of the lamp tube 1, and the heat conducting plate 13 is tightly attached to the surface of the heat radiating shell 4, so that the area of heat conduction contact is favorably increased, the efficiency of heat conduction to the heat radiating shell 4 is improved, and the heat radiation is convenient.

The number of the transmission guide pillars 15 is a plurality of groups and is arranged in an array, the heat dissipation plate 14 is a hollow aluminum plate, and the upper outer surface and the lower outer surface of the heat dissipation plate 14 are both in a zigzag shape; during operation, the partial heat that conduction post 15 conduction heat-conducting plate 13 was last gets into heating panel 14, and heating panel 14 utilizes the characteristic of cavity and surface bending to disperse the heat conduction to the outside air fast, and the steam of being convenient for is discharged from louvre 6, adopts multiunit conduction post 15 and is the array and arranges, is favorable to the thermal quick conduction on the heat-conducting plate 13, makes things convenient for the heat to volatilize to the air medium in, and the heat of being convenient for is discharged from louvre 6.

A partition plate 16 is fixedly connected to the position, close to the heat dissipation hole 6, inside the heat dissipation shell 4, a first fin plate 23 is bolted to the outlet end of the air inlet fan 20, a refrigerating sheet 26 is bonded to the surface of the first fin plate 23, a second fin plate 25 is bonded to the surface of the refrigerating sheet 26, an air hole 24 is formed in the surface of the first fin plate 23, and the refrigerating sheet 26 is a semiconductor refrigerating plate; the during operation, the work of refrigeration piece 26, refrigerate No. one fin plate 23 and No. two fin plates 25, the gas of 20 drum-ins of air inlet fan is cooled down, it is gaseous that gaseous through a fin plate 23 formation low temperature of low temperature, through wind hole 24 and No. one inside fin plate 23 side gets into heat dissipation shell 4, baffle 16 can effectually avoid low temperature gas directly to discharge from louvre 6, improve the gaseous utilization ratio of low temperature, low temperature gas is inside fully to carry out the heat exchange with the heat at heat dissipation shell 4, reduce heat dissipation shell 4's temperature, thereby be favorable to the cooling of LED car light, and the heat dissipation effect is improved.

A locking plate 7 and a connecting block 10 are fixedly connected to the upper portion and the lower portion of the surface of a port of the cooling box 5 respectively, a locking pin 27 is slidably connected to the upper end of the locking plate 7, a baffle plate 28 is fixedly connected to the surface of the locking pin 27 in the locking plate 7, the baffle plate 28 is slidably connected to the locking plate 7, a spring 29 is sleeved on the outer surface of the locking pin 27 above the baffle plate 28, the locking pin 27 penetrates through the locking plate 7, the port of the cooling box 5 is provided with a connecting plate 8, a dust screen 9 is fixedly connected to the middle of the connecting plate 8, a fixing block 11 and a bump 17 are fixedly connected to the upper portion and the lower portion of the surface of the connecting plate 8 respectively, a fixing hole 18 is formed in the upper end surface of the fixing block 11, and a groove 19 is formed in the upper surface of the connecting block 10; during operation, when installing dust screen 9, insert lug 17 in the recess 19 on connecting block 10, inserted block 21 and slot 22 butt joint, make connecting plate 8 stable connection in the surface of cooler bin 5, stimulate stop pin 27 after that, extrusion spring 29 when stop pin 27 drives baffle 28 and removes, when fixed block 11 and lockplate 7 port align, loosen stop pin 27, spring 29 resets, make stop pin 27 and fixed orifices 18 butt joint, carry out the rigidity to connecting plate 8, thereby make dust screen 9 stably be located the air intake outside of cooler bin 5 ox's air inlet fan 20, avoid the dust to get into heat dissipation shell 4 inside along with gas and gather, influence thermal conduction heat dissipation, when the clearance to dust screen 9, can reverse operation above step, dismantle dust screen 9, clear up, improve dustproof effect, avoid gathering the dust.

The groove 19 is matched with the bump 17, the locking pin 27 is matched with the fixing hole 18, the side surface of the connecting plate 8 is fixedly connected with an inserting block 21, and two sides of the surface of the port of the cooling box 5 are provided with inserting grooves 22 matched with the inserting block 21; during operation, recess 19 and lug 17 looks adaptation and stop pin 27 and fixed orifices 18 phase-match are favorable to the installation of connecting plate 8 fixed, and then are convenient for improve the fixed effect of installation of dust screen 9, and inserted block 21 and slot 22 phase-match are favorable to improving the fixed effect of connecting plate 8 and the sealed effect of being connected of connecting plate 8 and cooler bin 5, reduce the entering of dust.

Example two

Referring to fig. 7, in a first comparative example, in another embodiment of the present invention, a sealing gasket 30 is bonded to a side surface of the insert block 21, the size of the sealing gasket 30 is matched with the side surface of the insert block 21, the sealing gasket 30 is a sealing rubber gasket, and an outer side surface of the sealing gasket 30 is convex; the during operation, bond sealed pad 30 at the outside surface of inserted block 21, make sealed pad 30 stable connection on inserted block 21, when inserted block 21 and slot 22 dock, sealed pad 30 is located between inserted block 21 and slot 22, when increasing the connection fastening nature between inserted block 21 and the slot 22, also increased the leakproofness between inserted block 21 and the slot 22, avoid the dust to get into heat dissipation shell 4 inside from the gap of connecting plate 8 side and gather on the surface, influence the radiating effect.

The working principle is that when the LED car lamp works to generate heat, the heat conducting sheet 3 absorbs the heat and transfers the heat to the heat conducting column 12, the heat conducting column 12 is matched with the heat conducting plate 13 to transfer the heat to the heat radiating shell 4 quickly, the heat is volatilized and dissipated from the heat radiating shell 4, the heat conducting plate 13 increases the contact area between the heat on the heat conducting column 12 and the heat radiating shell 4, the heat conduction efficiency is improved, part of the heat on the heat conducting plate 13 conducted by the heat conducting column 15 enters the heat radiating plate 14, the heat radiating plate 14 conducts and dissipates the heat to the outside air quickly by utilizing the characteristics of hollowness and outer surface bending, the hot gas is exhausted from the heat radiating hole 6, at the moment, the refrigerating sheet 26 works to refrigerate the first fin plate 23 and the second fin plate 25, the air inlet fan 20 works to blow air into the heat radiating shell 4, the gas forms low-temperature gas through the first low-temperature fin plate 23 and enters the heat radiating shell 4 through the air hole 24 and the side surface of the first fin plate 23, the partition plate 16 can effectively prevent low-temperature gas from being directly discharged from the heat dissipation holes 6, so that the utilization rate of the low-temperature gas is improved, the low-temperature gas is fully subjected to heat exchange with heat in the heat dissipation shell 4, the temperature of the heat dissipation shell 4 is reduced, meanwhile, the redundant heat is discharged from the heat dissipation holes 6 by the gas after heat exchange, the heat conduction and dissipation effect of the LED car lamp is improved, and the service life is prolonged; insert lug 17 in the recess 19 on connecting block 10, inserted block 21 and slot 22 butt joint, make connecting plate 8 stable connection in the surface of cooler bin 5, stimulate stop pin 27 subsequently, extrusion spring 29 when stop pin 27 drives baffle 28 and removes, when fixed block 11 and lockplate 7 port align, loosen stop pin 27, spring 29 resets, make stop pin 27 and fixed orifices 18 butt joint, carry out the rigidity to connecting plate 8, thereby make dust screen 9 stably be located the air intake outside of cooler bin 5 ox's air inlet fan 20, avoid the dust to get into the inside accumulation of heat dissipation shell 4 along with gas, influence thermal conduction heat dissipation, when the clearance to dust screen 9, can reverse operation above step, dismantle dust screen 9, clear up, improve dustproof effect.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (6)

1. The utility model provides a LED car light with heat radiation structure which characterized in that: including fluorescent tube (1) and lamella (2), the port rigid coupling of fluorescent tube (1) has heat dissipation shell (4), louvre (6) have been seted up to the side of heat dissipation shell (4), the bottom of lamella (2) is located fluorescent tube (1) inside bonding has conducting strip (3), the terminal rigid coupling of conducting strip (3) has heat conduction post (12), the terminal inside surface rigid coupling that is located heat dissipation shell (4) of heat conduction post (12) has heat-conducting plate (13), heat-conducting plate (13) lower extreme rigid coupling has heat conduction post (15), the terminal rigid coupling of heat conduction post (15) has heating panel (14), the port bolt of heat dissipation shell (4) has cooler bin (5), the inside bolt of cooler bin (5) has fan (20) of advancing.

2. The LED vehicle lamp with the heat dissipating structure according to claim 1, wherein: the heat conducting strip (3) and the heat conducting column (12) are respectively a copper sheet and a copper column, the heat conducting column (12) is matched with the inner cavity of the lamp tube (1), the outer surface of the heat conducting column (12) is tightly attached to the inner surface of the lamp tube (1), the heat conducting plate (13) is tightly attached to the surface of the heat radiating shell (4), and the heat radiating shell (4) is an aluminum shell.

3. The LED vehicle lamp having the heat dissipating structure according to claim 2, wherein: the number of the guide pillars (15) is a plurality of groups and is arranged in an array, the heat dissipation plate (14) is a hollow aluminum plate, and the upper outer surface and the lower outer surface of the heat dissipation plate (14) are both in a zigzag shape.

4. The LED vehicle lamp with the heat dissipating structure according to claim 1, wherein: the inside of heat dissipation shell (4) is close to louvre (6) department rigid coupling and has baffle (16), the exit end bolt joint of fan (20) has fin board (23) No. one, the surface bonding of fin board (23) has refrigeration piece (26), the surface bonding of refrigeration piece (26) has fin board (25) No. two, wind hole (24) have been seted up on the surface of fin board (23), refrigeration piece (26) are the semiconductor refrigeration board.

5. The LED vehicle lamp with the heat dissipating structure according to claim 1, wherein: a locking plate (7) and a connecting block (10) are respectively fixedly connected above and below the surface of the port of the cooling box (5), the upper end of the locking plate (7) is connected with a locking pin (27) in a sliding way, the surface of the locking pin (27) is positioned in the locking plate (7) and fixedly connected with a baffle plate (28), the baffle plate (28) is in sliding connection with the locking plate (7), a spring (29) is sleeved on the outer surface of the locking pin (27) above the baffle plate (28), the locking pin (27) penetrates through the locking plate (7), a connecting plate (8) is arranged at the port of the cooling box (5), the middle part of the connecting plate (8) is fixedly connected with a dust screen (9), the upper part and the lower part of the surface of the connecting plate (8) are respectively fixedly connected with a fixed block (11) and a convex block (17), the upper end surface of the fixing block (11) is provided with a fixing hole (18), and the upper surface of the connecting block (10) is provided with a groove (19).

6. The LED vehicle lamp with the heat dissipation structure according to claim 5, wherein: recess (19) and lug (17) looks adaptation, stop pin (27) and fixed orifices (18) phase-match, the side rigid coupling of connecting plate (8) has inserted block (21), slot (22) with inserted block (21) assorted have been seted up to the port surface both sides of cooler bin (5).

Images