CN111720793A - Cooling device for vehicle lamp and vehicle lamp - Google Patents

Cooling device for vehicle lamp and vehicle lamp Download PDF

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Publication number
CN111720793A
CN111720793A CN202010599121.8A CN202010599121A CN111720793A CN 111720793 A CN111720793 A CN 111720793A CN 202010599121 A CN202010599121 A CN 202010599121A CN 111720793 A CN111720793 A CN 111720793A
Authority
CN
China
Prior art keywords
cooling
cooling device
vehicle lamp
cooling liquid
rear cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010599121.8A
Other languages
Chinese (zh)
Inventor
童云
董学强
庄勇
杨恺
付登峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HASCO Vision Technology Co Ltd
Original Assignee
HASCO Vision Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HASCO Vision Technology Co Ltd filed Critical HASCO Vision Technology Co Ltd
Priority to CN202010599121.8A priority Critical patent/CN111720793A/en
Publication of CN111720793A publication Critical patent/CN111720793A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/42—Forced cooling
    • F21S45/46—Forced cooling using liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/56—Cooling arrangements using liquid coolants
    • F21V29/57—Cooling arrangements using liquid coolants characterised by control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The invention provides a cooling device for a vehicle lamp and a vehicle lamp, wherein the cooling device for the vehicle lamp realizes that the heat emitted by the vehicle lamp can be timely dissipated by utilizing a water circulation cooling mode, and comprises the following components: the rear cover plate is arranged in the car lamp; a liquid supply unit disposed on the rear cover plate and used for supplying cooling liquid required for cooling; the circulating unit is communicated with the liquid supply unit and a cooling liquid channel of the light-emitting module in the vehicle lamp to form a circulating channel, and the circulating channel is used for circulating the cooling liquid in the vehicle lamp to absorb heat generated by the light-emitting module; the cooling liquid provided by the liquid supply unit circulates between the light emitting module and the liquid supply unit through a circulating channel formed by the circulating unit, namely the circulating channel enables the cooling liquid to flow through the interior of the vehicle lamp and then return to the liquid supply unit, and the heat in the vehicle lamp is absorbed through the cooling liquid in the circulating circulation process, so that the heat dissipation in the vehicle lamp is realized.

Description

Cooling device for vehicle lamp and vehicle lamp
Technical Field
The invention belongs to the technical field of automobile lamps, and particularly relates to a cooling device for an automobile lamp and an automobile lamp comprising the cooling device for the automobile lamp.
Background
At present, in order to realize the projection function, a DLP technology is adopted for the light emission of the automobile lamp. The DLP technology is adopted, so that the light-emitting form of the lamp is various, and the projection effect is enhanced. And DLP produces a lot of heats in the luminescent process, and car light inner space is little, only relies on the radiator to be difficult to the heat that gives off, consequently, the urgent need is solved the heat that starts in-process and is given off the problem.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a cooling device for a lamp, which can dissipate heat generated by the lamp in time by a water circulation cooling method, and a vehicle lamp including the cooling device for a lamp.
The invention provides a cooling device for a vehicle lamp, which is used for cooling heat emitted in the working process of the vehicle lamp and is characterized by comprising the following components: the rear cover plate is arranged in the car lamp;
a liquid supply unit disposed on the rear cover plate and used for supplying cooling liquid required for cooling;
and the circulating unit is communicated with the liquid supply unit and a cooling liquid channel of the light emitting module in the automobile lamp to form a circulating channel, and the circulating channel is used for circulating the cooling liquid in the automobile lamp to absorb heat generated by the light emitting module.
In the cooling device for a vehicle lamp according to the present invention, the liquid supply unit may include a fixing bracket fixed to the rear cover, and a storage box fixed to an end of the fixing bracket remote from the rear cover and storing the cooling liquid.
In the cooling device for a vehicle lamp according to the present invention, it may be further characterized that the circulating unit includes an input member that introduces the coolant in the housing tank into an inlet end of the coolant passage, and an output member that delivers the coolant flowing out of the coolant passage to the housing tank.
In the cooling device for a vehicular lamp according to the present invention, there may be further provided a feature wherein the input unit includes: a drainage tube communicated with the containing box, an input tube communicated with the inlet end of the cooling liquid channel, and a power pump communicated between the drainage tube and the input tube,
the output assembly is an output pipe which is communicated with the containing box and the outlet end of the cooling liquid channel,
the power pump is used for providing power so as to circulate the cooling liquid in the containing box among the drainage pipe, the input pipe, the cooling liquid channel and the output pipe.
In the cooling device for a vehicle lamp according to the present invention, the cooling device for a vehicle lamp may further include a fixing bracket configured to fix the power pump to the other side of the rear cover plate opposite to the accommodating box, wherein the fixing bracket includes a first engaging member fixedly connected to the rear cover plate and a second engaging member engaged with the first engaging member, and a fixing groove configured to fix the power pump is formed between the first engaging member and the second engaging member.
In the cooling device for a vehicular lamp according to the present invention, it may be further characterized in that the circulating unit further includes a support bracket for positioning the inlet pipe and the outlet pipe.
In the cooling device for a vehicular lamp according to the present invention, the rear cover may have a first through hole through which the draft tube passes and a second through hole through which the outlet tube passes.
In the cooling device for a vehicle lamp according to the present invention, the cooling device may further include a heat radiating unit disposed adjacent to the liquid supply unit, for cooling heat absorbed by the cooling liquid from the light emitting module and returned to the liquid supply unit during circulation of the cooling liquid.
In the cooling device for a vehicle lamp according to the present invention, the heat radiating unit may be a fan fixed to the rear cover and located between the rear cover and the accommodating case, the fan being provided toward the accommodating case so as to cool the accommodating case.
In addition, the invention also provides an automobile lamp which is characterized by comprising a light-emitting module and a cooling device for the automobile lamp, wherein the light-emitting module is a DLP light-emitting module, and the cooling device for the automobile lamp is the cooling device for the automobile lamp with any structure.
Action and Effect of the invention
According to the cooling device for the vehicle lamp and the vehicle lamp, the cooling device for the vehicle lamp is integrally fixed through the rear cover plate, the cooling liquid provided by the liquid supply unit circulates between the light emitting module and the liquid supply unit through the circulating channel formed by the circulating unit, namely the cooling liquid flows through the interior of the vehicle lamp through the circulating channel and then returns to the liquid supply unit, and heat in the vehicle lamp is absorbed through the cooling liquid in the circulating circulation process, so that heat dissipation in the vehicle lamp is realized.
Drawings
Fig. 1 is a schematic structural view of an automotive lamp in an embodiment of the present invention.
Fig. 2 is a schematic structural view of a cooling device for a vehicle lamp according to an embodiment of the present invention.
Fig. 3 is a partial structural schematic view of a cooling device for a vehicle lamp according to an embodiment of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
< example >
As shown in fig. 1, the present embodiment provides an automotive lamp, which is applied to an automobile as a lighting purpose. The vehicle lamp includes an ADM module 100, a cooling device 200 for the vehicle lamp, and a light emitting module 300.
As shown in fig. 1, the ADM module 100 includes an ADM1, an ADM pointing bracket 2, an ADM drive module, left and right linkage brackets, and a light body. The lamp body is of a shell structure and provides mounting points for other parts. The ADM driving module comprises an ADM driving motor, a half U-shaped groove and an upper and lower linkage bracket 3. The ADM driving motor is a driving part, an output shaft of the ADM driving motor is inserted into the half U-shaped groove, the other end of the half U-shaped groove is inserted into the upper and lower linkage supports, and the upper and lower linkage supports are connected with the left and right linkage supports through fulcrum nuts. The ADM fixed point bracket 2 is a fixed supporting point of the ADM bracket and is connected with the ADM bracket through a fulcrum nut.
ADM1 includes ADM module, ADM support 4, ADM escutcheon 5 and ADM light modulation support 6. The ADM module can send far and near light, wherein be close to the inboard far and near light ADM module that is of car, be close to the outside near light ADM module that is of car, and the ADM module is installed on ADM support of adjusting luminance, and ADM support of adjusting luminance is connected with ADM fixed point support. The ADM support is of a rod-shaped structure and is provided with a connecting hole A, a connecting hole B and a connecting hole C, the connecting hole A is connected with the left and right linkage supports through a fulcrum nut, the connecting hole B is connected with the ADM fixed-point support through the fulcrum nut, and the connecting hole C is connected with the upper and lower linkage supports through the fulcrum nut. When the ADM driving motor drives the upper and lower linkage support to rotate, the ADM support is driven to rotate, an ADM module arranged on the ADM support is driven to rotate in the up-down direction, the projection of the far light adjusted in the left-right direction is similar to that of the ADM module, the ADM support is driven to rotate in the front-back direction through the adjustment of the left and right linkage support, the far light ADM module arranged on the ADM support moves back and forth, and the projection requirement of the far light module is met.
The light emitting module 300 is used for emitting light, and here, what the light emitting module 300 adopted is a DLP light emitting module, and by using DLP technology inside a car light structure, the car has a projection effect when irradiating, and can emit various lights.
As shown in fig. 2, the DLP module includes a DLP projection display optical engine 7, a DLP bracket 8, and a DLP bezel. DLP support 8 is the shell structure, in order to strengthen DLP support 8's structural strength, has arranged crisscross gusset in the inside of shell to open the combined hole that has arc and square formation jointly in DLP support 8's inside. The DLP projection display optical engine 7 passes through the DLP mount 8 and is mounted on the DLP mount 8. The DLP decorative ring is of a shell structure, and the front part of the DLP projection display optical engine is arranged on the DLP decorative ring.
As shown in fig. 1 to 3, the cooling device 200 for a vehicle lamp is used to effectively cool heat emitted from a DLP light module during operation in time. The cooling device 200 for a vehicle lamp includes: a rear cover plate 10, a liquid supply unit 20, a circulation unit 30, and a heat dissipation unit 40.
As shown in fig. 3, the rear cover 10 is a cover structure, is disposed in the entire vehicle lamp, is disposed apart from the light emitting module 300, and is used to fix the liquid supply unit 20, the circulation unit 30, and the heat dissipation unit 40. The rear cover plate 10 has a first through hole 11 and a second through hole 12.
The liquid supply unit 20 is provided on the rear cover plate 10, and is used to supply a cooling liquid required for cooling. Specifically, the liquid supply unit 220 includes a fixing bracket 21 and a housing box 22.
The fixing brackets 21 are provided in pairs, and include a first bracket and a second bracket, which are fixed to the rear cover 10 at a predetermined distance from each other as a support structure of the receiving box 22. The accommodating box 22 has a hollow cavity for accommodating a cooling liquid required for cooling, and the accommodating box 22 is fixed to an end of the fixing bracket 21 away from the rear cover plate 10. The receiving box 22 is provided with an input port and an output port for inputting and outputting the cooling liquid, respectively.
The circulation unit 30 communicates the liquid supply unit 20 with the cooling liquid channel of the light emitting module 300 inside the vehicle lamp to form a circulation channel for circulating the cooling liquid inside the vehicle lamp to absorb heat generated by the light emitting module 300. Specifically, the circulation unit 30 includes an input assembly 31, an output assembly 32, a fixing bracket 33, and a support bracket 34.
The input member 31, which introduces the cooling liquid in the housing box 22 to the inlet end of the cooling liquid channel of the light emitting module 300, includes: a drain tube 311 communicating with the accommodating tank 22, an input tube 312 communicating with an inlet end of the coolant passage, and a power pump 313 communicating between the drain tube 311 and the input tube 312. Here, the draft tube 311 is connected to the output port of the receiving box 22 through the first through hole 11 of the rear cover plate 10; and a power pump 313 is used to provide power to circulate the coolant.
The output member 32 feeds the coolant flowing out of the coolant passage of the light emitting module 300 into the housing box 22. Specifically, the output member 32 is an output pipe that communicates the housing box 22 with the outlet end of the coolant passage. Here, the output pipe penetrates the second through hole 12 of the rear cover 10 and is connected to the input port of the receiving box 22.
Based on the specific structures of the input module 31 and the output module 32, the cooling liquid in the housing box 22 circulates among the drain tube 311, the input tube 312, the cooling liquid passage of the light emitting module 300, and the output tube by the power supplied from the power pump 313. Due to the low temperature of the cooling liquid, heat exchange can be performed when the cooling liquid flows through the cooling liquid channel of the light emitting module 300, that is, the heat inside the light emitting module 300 is absorbed, so that the heat inside the light emitting module 300 can be cooled in time, and the light emitting module 300 can work better.
The fixing bracket 33 is used to fix the power pump 313 to the rear cover 10, and is located on the other side opposite to the accommodating case 22. Specifically, the fixing bracket 33 includes a first engaging member fixedly connected to the rear cover plate 10 and a second engaging member matched with the first engaging member, a fixing groove for fixing the power pump 313 is formed between the first engaging member and the second engaging member, and the power pump 313 is conveniently and quickly fixed and installed by means of engaging, and is also convenient to detach.
The support frame 34 is disposed between the liquid supply unit 20 and the light emitting module 300, and is used for positioning the input tube 31 and the output tube, so as to ensure the smooth circulation of the cooling liquid.
The heat dissipating unit 40 is disposed adjacent to the liquid supply unit 20 and is used for cooling heat absorbed by the cooling liquid from the light emitting module 300 and brought back to the liquid supply unit 20 during circulation. Specifically, the heat radiating unit 40 is a fan fixed on the rear cover plate 10 and located between the rear cover plate 10 and the accommodating case 22, the fan being disposed toward the accommodating case 22. When the fan is activated, the airflow generated toward the accommodating case 22 rapidly lowers the temperature of the cooling liquid returned to the accommodating case 22 after absorbing the heat in the light emitting module 300, thereby cooling the cooling liquid in the accommodating case 22; thus, the cooling liquid can be ensured to circulate at a lower temperature again, the heat in the light emitting module 300 can be better absorbed, and the cooling effect can be ensured.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims (10)

1. A cooling device for a vehicle lamp, which is used for cooling heat emitted in the working process of the vehicle lamp, is characterized by comprising:
the rear cover plate is arranged in the car lamp;
a liquid supply unit disposed on the rear cover plate and used for supplying cooling liquid required for cooling;
and the circulating unit is communicated with the liquid supply unit and a cooling liquid channel of the light emitting module in the automobile lamp to form a circulating channel, and the circulating channel is used for circulating the cooling liquid in the automobile lamp to absorb heat generated by the light emitting module.
2. The cooling device for a vehicular lamp according to claim 1, wherein:
the liquid supply unit comprises a fixed support fixed on the rear cover plate and a containing box fixed at one end of the fixed support far away from the rear cover plate and containing the cooling liquid.
3. The cooling device for a vehicular lamp according to claim 2, wherein:
the circulation unit includes an input assembly that introduces the cooling liquid in the housing box into an inlet end of the cooling liquid channel, and an output assembly that delivers the cooling liquid flowing out of the cooling liquid channel to the housing box.
4. The cooling device for a vehicular lamp according to claim 3, wherein:
the input assembly includes: a drainage tube communicated with the containing box, an input tube communicated with the inlet end of the cooling liquid channel, and a power pump communicated between the drainage tube and the input tube,
the output assembly is an output pipe which is communicated with the containing box and the outlet end of the cooling liquid channel,
the power pump is used for providing power so as to circulate the cooling liquid in the containing box among the drainage pipe, the input pipe, the cooling liquid channel and the output pipe.
5. The cooling device for a vehicular lamp according to claim 4, wherein:
the circulating unit further comprises a fixing support used for fixing the power pump on the other side, back to the back, of the containing box on the rear cover plate, the fixing support comprises a first clamping piece fixedly connected with the rear cover plate and a second clamping piece matched with the first clamping piece, and a fixing groove used for fixing the power pump is formed between the first clamping piece and the second clamping piece.
6. The cooling device for a vehicular lamp according to claim 4, wherein:
the circulation unit further comprises a support frame for positioning the input pipe and the output pipe.
7. The cooling device for a vehicular lamp according to claim 4, wherein:
the rear cover plate is provided with a first through hole penetrated by the drainage tube and a second through hole penetrated by the output tube.
8. The cooling device for a vehicular lamp according to claim 1, further comprising:
and the heat dissipation unit is arranged close to the liquid supply unit and used for cooling the heat absorbed by the cooling liquid from the light emitting module and brought back to the liquid supply unit in the circulating circulation process.
9. The cooling device for a vehicular lamp according to claim 5, wherein:
the heat dissipation unit is a fan fixed on the rear cover plate and located between the rear cover plate and the accommodating box, and the fan is arranged towards the accommodating box so as to cool the accommodating box.
10. An automobile lamp is characterized by comprising a light-emitting module and a cooling device for the automobile lamp,
the light emitting module is a DLP light emitting module, and the cooling device for a vehicle lamp is the cooling device for a vehicle lamp according to any one of claims 1 to 9.
CN202010599121.8A 2020-06-28 2020-06-28 Cooling device for vehicle lamp and vehicle lamp Pending CN111720793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010599121.8A CN111720793A (en) 2020-06-28 2020-06-28 Cooling device for vehicle lamp and vehicle lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010599121.8A CN111720793A (en) 2020-06-28 2020-06-28 Cooling device for vehicle lamp and vehicle lamp

Publications (1)

Publication Number Publication Date
CN111720793A true CN111720793A (en) 2020-09-29

Family

ID=72569434

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010599121.8A Pending CN111720793A (en) 2020-06-28 2020-06-28 Cooling device for vehicle lamp and vehicle lamp

Country Status (1)

Country Link
CN (1) CN111720793A (en)

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