CN210662705U - Car light heat radiation structure and car light - Google Patents
Car light heat radiation structure and car light Download PDFInfo
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- CN210662705U CN210662705U CN201921650774.3U CN201921650774U CN210662705U CN 210662705 U CN210662705 U CN 210662705U CN 201921650774 U CN201921650774 U CN 201921650774U CN 210662705 U CN210662705 U CN 210662705U
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- heat dissipation
- bottom plate
- heat
- base
- car light
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Abstract
The utility model relates to a car light heat radiation structure and car light, include by the heat dissipation bottom plate, establish backplate and two symmetries on the heat dissipation bottom plate establish the heat dissipation base that the curb plate on the heat dissipation bottom plate is constituteed, set up the louvre on the backplate, establish the turn-ups on backplate and/or curb plate and establish the passive radiator at the heat dissipation base. The passive radiator comprises a bottom plate connected with the turned-over edge and radiating columns uniformly distributed on the bottom surface of the bottom plate, wherein the radiating columns are arranged on the bottom surface of the bottom plate according to an MxN matrix form, and M and N are natural numbers. The backboard is provided with an installation base, the installation base is provided with a ventilation hole, and the ventilation hole is communicated with the ventilation hole. The mounting base is further provided with a cooling fan, and the cooling fan blows air into the cooling base through the ventilation holes and the cooling holes when working, so that heat on the cooling column is taken away. Wherein, this heat radiation structure has been used to the car light. The utility model discloses simple structure and the better effect of radiating effect have.
Description
Technical Field
The utility model belongs to the technical field of automotive lighting's technique and specifically relates to a car light heat radiation structure and car light are related to.
Background
The LED illuminating lamp on the automobile mainly comprises a control circuit, LED lamp beads, a passive radiator, a lens and the like, wherein the control circuit is used for driving the LED lamp beads to work, the passive radiator is used for cooling the control circuit and the LED lamp beads, and the lens is used for scattering the LED lamp beads to meet the requirement of driving illumination. The ED illuminating lamp can be started instantly, has large luminous flux, high luminous efficiency and long service life, and is more and more widely used for automobile illumination.
The LED is a cold light source, namely, the light emitted by the LED does not contain infrared rays, namely, the light is cold light, but the light emitted by the LED does not contain infrared rays, so that the LED is hotter than a common bulb with the same power, because the common incandescent lamp only converts 2-5% of electric energy into visible light, most of the rest electric energy is emitted out together with the light in the form of infrared rays, and the electric energy conversion rate of the LED is higher, but the unconverted electric energy is not added with infrared rays, so that the unconverted electric energy is completely converted into heat. Therefore, for the LED lighting lamp, attention needs to be paid to heat dissipation performance.
The power of automobile-used LED light is big, and installation space is little, and the calorific capacity of during operation is big, if can not in time scatter, can lead to near temperature very fast to rise, and temperature rise can influence lighting circuit's life, and the ageing of lighting circuit accelerates, can lead to lighting circuit to catch fire even when serious.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model discloses a first purpose provides a car light heat radiation structure, and this car light heat radiation structure's radiating effect is good, can derive the heat that the car light during operation produced rapidly.
The utility model discloses a provide a car light during another purpose, include as above-mentioned car light heat radiation structure.
The first purpose of the utility model is realized through the following technical scheme:
a heat dissipation structure for a vehicle lamp, comprising:
the heat dissipation base comprises a heat dissipation bottom plate, a back plate arranged on the heat dissipation bottom plate and two side plates symmetrically arranged on the heat dissipation bottom plate, wherein the two side plates are respectively positioned on two sides of the back plate and connected with the back plate;
the heat dissipation holes are formed in the back plate;
the flanging is arranged on the back plate and/or the side plate;
passive radiator, including bottom plate and the heat dissipation post of equipartition on the bottom plate bottom surface, the bottom plate can be dismantled and connect and be in on the turn-ups, the heat dissipation post is located inside the heat dissipation base.
Through adopting above-mentioned technical scheme, the heat transfer that the LED light during operation produced is to the bottom plate of passive radiator, then in the air in the heat dissipation base is gived off to the heat dissipation post, and the heat radiating area can effectively be increased to the heat dissipation post, makes the heat on the bottom plate conduct in the air fast. Therefore, the temperature of the LED illuminating lamp can be effectively reduced, the aging speed of the illuminating line is reduced, and the service life of the LED illuminating lamp is prolonged.
The utility model discloses further set up to: the heat dissipation columns are arranged on the bottom surface of the bottom plate according to an MxN matrix form, wherein M and N are natural numbers.
By adopting the technical scheme, the matrix arrangement form can reduce the manufacturing difficulty, improve the space utilization rate and enable the bottom plate to be provided with the heat dissipation columns as much as possible.
The utility model discloses further set up to: the back plate is provided with an installation base for installing a cooling fan, and the installation base is provided with a vent hole;
the ventilation holes are communicated with the heat dissipation holes.
By adopting the technical scheme, the heat radiation fan can be arranged on the back plate, and the air flow speed in the heat radiation base is accelerated by the heat radiation fan, so that the heat radiation speed is further improved.
The utility model discloses further set up to: and a cooling fan is arranged on the mounting base.
Through adopting above-mentioned technical scheme, radiator fan during operation can accelerate the air flow speed in the heat dissipation base, improves the radiating effect.
The utility model discloses further set up to: the mounting base is provided with a positioning column for fixing the radiating fan.
Through adopting above-mentioned technical scheme, during the installation reference column, can insert radiator fan on the reference column, then fix on the mount pad again.
The utility model discloses further set up to: the mounting base is provided with a limit used for limiting the mounting position of the cooling fan.
Through adopting above-mentioned technical scheme, during the installation, spacing can provide the location for radiator fan, reduces the installation degree of difficulty, and in the use, spacing vibrations that can reduce radiator fan play the effect of noise reduction.
The utility model discloses further set up to: the bottom plate is connected to the turned edge through bolts.
Through adopting above-mentioned technical scheme, bolted connection's mode is installed and removed the convenience, can reduce the installation degree of difficulty of bottom plate.
The utility model discloses further set up to: the length of the heat dissipation column is smaller than the depth of the heat dissipation base.
Through adopting above-mentioned technical scheme, can form a passageway in the bottom surface department of heat dissipation base, the air flow speed in this passageway is fast, can accelerate the heat flow speed in the heat dissipation base.
The other purpose of the utility model is realized by the following technical scheme:
a car lamp comprises the car lamp heat dissipation structure in any scheme.
To sum up, the utility model discloses a beneficial technological effect does:
the heat that LED light during operation produced is transferred to the bottom plate of passive radiator on, then in the air that gives off in the heat dissipation base through the heat dissipation post, the heat radiating area can effectively be increased to the heat dissipation post, makes the heat on the bottom plate conduct in the air fast. Therefore, the temperature of the LED illuminating lamp can be effectively reduced, the aging speed of the illuminating line is reduced, and the service life of the LED illuminating lamp is prolonged.
2. There is a passageway between heat dissipation base bottom surface and the heat dissipation post, and the air flow speed in this passageway is fast, can make near the air of heat dissipation post flow fast to the bottom surface direction of heat dissipation base, then flow from the heat dissipation base, can accelerate the air flow speed in the heat dissipation base like this, improves the radiating effect.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is another schematic perspective view of an embodiment of the present invention.
Fig. 3 is a schematic diagram of a three-dimensional explosion provided by an embodiment of the present invention.
In the figure, 11, a heat dissipation bottom plate, 12, a back plate, 13, a side plate, 14, a heat dissipation hole, 15, a flange, 21, a bottom plate, 22, a heat dissipation column, 31, an installation base, 32, a ventilation hole, 33, a heat dissipation fan, 34, a positioning column, 35 and a limit position are included.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the embodiment of the present invention discloses a car light heat dissipation structure, which comprises a heat dissipation base, a heat dissipation bottom plate 11, a passive heat sink, a heat dissipation fan 33, and the like. The heat dissipation base is composed of a heat dissipation bottom plate 11, a back plate 12 and two side plates 13, wherein the back plate 12 is vertically fixed on the heat dissipation bottom plate 11, the number of the side plates 13 is two, the two side plates are also fixed on the heat dissipation bottom plate 11, and the two side plates 13 are symmetrically arranged on two sides of the back plate 12 and are fixedly connected with the back plate 12. A flange 15 is fixed on one or both of the back plate 12 and the side plate 13 and is used for mounting a passive radiator.
Referring to fig. 2 and 3, a heat dissipation hole 14 is formed on the back plate 12 for increasing the air flow speed in the heat dissipation base, and a mounting base 31 is further formed on the back plate 12 for mounting a heat dissipation fan 33. A ventilation hole 32 is opened at the center of the mounting base 31, and the ventilation hole 32 is communicated with the heat dissipation hole 14.
One to two positioning columns 34 are arranged on the mounting base 31, and the positioning columns 34 are used for being inserted into mounting holes in the cooling fan 33, so that the mounting steps of the cooling fan 33 are simplified, and the mounting difficulty is reduced. The installation base 31 is also provided with a limit 35, the limit 35 is used for providing a reference for the installation of the radiating fan 33, so that a worker can quickly position the radiating fan, and the limit 35 can abut against the radiating fan 33, so that the vibration amplitude and the noise of the radiating fan 33 are reduced.
Referring back to fig. 1, the passive radiator is composed of a bottom plate 21 and radiating columns 22 uniformly distributed on the bottom surface of the bottom plate 21, the bottom plate 21 is detachably connected to the flange 15, the specific modes include bolt connection, clamping connection and the like, and the radiating columns 22 are located inside the radiating base and used for conducting heat on the floor 21 to the inside of the radiating base and then blown away by a radiating fan 33.
The heat-dissipating studs 22 are arranged in a matrix of MxN (M and N are natural numbers) on the bottom surface of the base plate 21, which enables the number of the heat-dissipating studs 22 to be as large as possible and enables a plurality of passages to be formed, enabling air to flow rapidly.
The length of the heat-dissipating column 22 is smaller than the depth of the heat-dissipating base, so that a channel can be formed near the bottom surface of the heat-dissipating base, no barrier exists in the channel, the flowing speed of the air flow is higher, the flowing speed of the air in the heat-dissipating base can be further increased, and the heat-dissipating effect is improved.
The utility model also discloses a car light, used above-mentioned car light heat radiation structure to dispel the heat to circuit board and LED chip in this car light for reduce the operating temperature of circuit board and LED chip, prolong its life.
The implementation principle of the embodiment is as follows:
the circuit board is mounted on the bottom plate 21 of the passive radiator by screws, the LED chips are welded on the circuit board, in the working process, part of electric energy is converted into light by the LED chips, the rest is converted into heat energy, the circuit board can also generate heat in the working process, and the heat generated by the LED chips and the heat energy is transferred to the bottom plate 21 and the heat dissipation column 22.
When the LED chip is in operation, the heat dissipation fan 33 operates simultaneously to blow air into the heat dissipation base through the ventilation holes 32 and the heat dissipation holes 14. When the air in the heat dissipation base flows, the heat on the heat dissipation column 22 is taken away, the temperature drops, and the temperature of the bottom plate 21, the circuit board and the LED chip also drops.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The utility model provides a car light heat radiation structure which characterized in that includes:
the heat dissipation base comprises a heat dissipation bottom plate (11), a back plate (12) arranged on the heat dissipation bottom plate (11) and two side plates (13) symmetrically arranged on the heat dissipation bottom plate (11), wherein the two side plates (13) are respectively positioned on two sides of the back plate (12) and connected with the back plate (12);
heat dissipation holes (14) formed in the back plate (12);
the flanging (15) is arranged on the back plate (12) and/or the side plate (13);
passive radiator, including bottom plate (21) and heat dissipation post (22) of equipartition on bottom plate (21) bottom surface, bottom plate (21) can be dismantled and connect on turn-ups (15), heat dissipation post (22) are located inside the heat dissipation base.
2. A vehicular lamp heat dissipating structure according to claim 1, characterized in that: the heat dissipation columns (22) are arranged on the bottom surface of the bottom plate (21) in a matrix of MxN, wherein M and N are both natural numbers.
3. A vehicular lamp heat dissipating structure according to claim 1, characterized in that: the back plate (12) is provided with a mounting base (31) for mounting a radiating fan, and the mounting base (31) is provided with a vent hole (32);
the ventilation hole (32) is communicated with the heat dissipation hole (14).
4. A vehicular lamp heat dissipating structure according to claim 3, wherein: and a heat radiation fan (33) is arranged on the mounting base (31).
5. A vehicular lamp heat dissipating structure according to claim 3, wherein: the mounting base (31) is provided with a positioning column (34) for fixing the heat radiation fan (33).
6. A vehicular lamp heat dissipating structure according to claim 3, wherein: and the mounting base (31) is provided with a limit (35) for limiting the mounting position of the cooling fan (33).
7. A vehicular lamp heat dissipating structure according to claim 1, characterized in that: the bottom plate (21) is connected to the flanging (15) through bolts.
8. A vehicular lamp heat dissipating structure according to claim 1, characterized in that: the length of the heat dissipation column (22) is smaller than the depth of the heat dissipation base.
9. A vehicle lamp, characterized in that: including the vehicular lamp heat dissipation structure according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921650774.3U CN210662705U (en) | 2019-09-28 | 2019-09-28 | Car light heat radiation structure and car light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921650774.3U CN210662705U (en) | 2019-09-28 | 2019-09-28 | Car light heat radiation structure and car light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210662705U true CN210662705U (en) | 2020-06-02 |
Family
ID=70811822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921650774.3U Active CN210662705U (en) | 2019-09-28 | 2019-09-28 | Car light heat radiation structure and car light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210662705U (en) |
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2019
- 2019-09-28 CN CN201921650774.3U patent/CN210662705U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200605 Address after: 201100 room ba4050, building 2, No. 598, Guanghua Road, Minhang District, Shanghai Patentee after: Shanghai anyulin Automobile Technology Co.,Ltd. Address before: 201400 room 2471, building 1, No. 452, Jinxing village, Jinhui Town, Fengxian District, Shanghai Patentee before: Shanghai ankelin Automobile Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |