CN218295576U - Car lamp and vehicle - Google Patents
Car lamp and vehicle Download PDFInfo
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- CN218295576U CN218295576U CN202221680631.9U CN202221680631U CN218295576U CN 218295576 U CN218295576 U CN 218295576U CN 202221680631 U CN202221680631 U CN 202221680631U CN 218295576 U CN218295576 U CN 218295576U
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Abstract
The embodiment of the application discloses car light and vehicle, this car light specifically includes the lamp body, the device that generates heat, the liquid cooling board, feed liquor pipe and drain pipe, wherein, the device that generates heat sets up with the laminating of liquid cooling board, the liquid cooling board passes through the liquid cooling loop system in feed liquor pipe and the drain pipe inserts the car, can carry out the heat transfer through the liquid cooling loop system in the car and liquid cooling board, reduce the temperature of the device that generates heat in the car light, thereby on the basis that satisfies car light heat dissipation demand, the requirement to car light volume and car light structure has been reduced.
Description
Technical Field
The embodiment of the application relates to the field of vehicles, in particular to a vehicle lamp and a vehicle.
Background
With the innovation and continuous development of vehicle technology, the car lamp system is also developed from the original single illumination attribute to the directions of individual appearance, safe interaction and intelligent driving (small volume and high power).
The heat generated by the vehicle lamp is increased due to the increase of power and the change of volume of the vehicle lamp, and in order to dissipate heat of a vehicle lamp system, a mode of adding a fan and a radiator in the vehicle lamp is mainly adopted.
However, the addition of the fan and the heat sink in the vehicle lamp not only increases the requirements on the volume and structure (adaptability) of the vehicle lamp, but also reduces the experience of users and manufacturers.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a car light for on satisfying the heat dissipation demand of car light, reduced the requirement to car light volume and car light structure. The embodiment of the application also provides a corresponding vehicle, a connector and the like.
The first aspect of the application provides a vehicle lamp, which comprises a lamp shell, a heating device, a liquid cooling plate, a liquid inlet pipe and a liquid outlet pipe, wherein the heating device is attached to the liquid cooling plate; the liquid cooling plate is connected with a liquid cooling loop system outside the lamp shell through a liquid inlet pipe and a liquid outlet pipe.
In this application, the liquid cooling board passes through feed liquor pipe and drain pipe and the outside liquid cooling return circuit headtotail of lamp body, and during the cooling liquid in the liquid cooling return circuit headtotail can flow into liquid cooling board through the feed liquor pipe, after the cooling liquid in the liquid cooling board and the device heat transfer that generates heat, flow back to the outside liquid cooling return circuit headtotail of lamp body through the drain pipe.
The cooling liquid in the present application may be distilled water, deionized water or other water-cooling liquid, and the like, and the vehicle lamp includes a front lamp, a rear lamp and other decorative lamps in a vehicle.
The liquid cooling plate in this application can be located the inside or the outside of lamp body, and when the liquid cooling plate set up inside the lamp body, the lamp body was provided with connect the via hole, and liquid cooling plate, feed liquor pipe and drain pipe can be connected with liquid cooling return circuit system through installing the connector on connect the via hole, also can directly be connected with liquid cooling return circuit system through connect the via hole.
This first aspect, the device that generates heat sets up with the laminating of liquid cooling board, and the liquid cooling board passes through the liquid cooling loop system of feed liquor pipe and drain pipe access car in, can carry out the heat transfer through the liquid cooling loop system in the car with the liquid cooling board, reduces the temperature of the device that generates heat in the car light to on the basis that satisfies car light heat dissipation demand, reduced the requirement to car light volume and car light structure.
In a possible implementation manner of the first aspect, the liquid cooling plate is located in a closed space inside the vehicle lamp, the lamp housing includes a connection through hole, and the liquid inlet pipe and the liquid outlet pipe are connected with the liquid cooling loop system through the connection through hole.
In this kind of possible implementation, the device that generates heat also sets up in the inside of lamp body, and the device that generates heat is light source or pixel, has promoted the realizability of scheme.
In a possible implementation manner of the first aspect, the vehicle lamp further includes a connector, the connector is installed at the connection through hole, and the liquid inlet pipe and the liquid outlet pipe are connected with the liquid cooling loop system through the connector.
In this kind of possible implementation, liquid cooling board, feed liquor pipe and drain pipe can be connected with liquid cooling return circuit system through installing the connector on connect the via hole, have promoted the realizability of scheme.
In one possible implementation manner of the first aspect, the connector comprises a supporting piece, a liquid inlet pipe joint, a liquid outlet pipe joint, a sealing piece and a fixing piece, wherein the liquid inlet pipe joint and the liquid outlet pipe joint are located on the supporting piece, the liquid inlet pipe joint is connected with the liquid inlet pipe, and the liquid outlet pipe joint is connected with the liquid outlet pipe; the fixing piece is used for fixing the supporting piece on the lamp shell; the sealing member is arranged on the supporting member and is attached to the lamp shell.
In this kind of possible implementation, the connector is fixed on the connect through hole of lamp body, and inside liquid cooling loop system can be connected to the car light, and guaranteed the airtight space of car light, promoted the realizability of scheme.
In one possible implementation of the first aspect, the sealing member is a sponge or a sealing ring.
In one possible implementation manner of the first aspect, the sealing member is a soft rubber integrally formed with the supporting member.
In one possible implementation manner of the first aspect, the fixing member is a screw or a snap.
In a possible implementation manner of the first aspect, the connection through hole includes a first through hole and a second through hole, the liquid inlet pipe is connected with the liquid cooling loop system through the first through hole, and the liquid outlet pipe is connected with the liquid cooling loop system through the second through hole.
In this kind of possible implementation, liquid cooling board, feed liquor pipe and drain pipe can be through connect the via hole direct with liquid cooling return circuit system connection, have promoted the realizability of scheme.
In a possible implementation manner of the first aspect, rubber rings are arranged at the joint of the liquid inlet pipe and the first through hole and the joint of the liquid outlet pipe and the second through hole.
In this kind of possible realization, the sealed effect of lamp body has further been promoted to the rubber circle.
In a possible implementation manner of the first aspect, the liquid cooling plate is located on or outside the lamp housing, and the interior of the vehicle lamp is a closed space.
In this kind of possible implementation, can avoid inside cooling liquid weeping to the lamp body, avoid the car light to produce the condensation, improve the reliability of car light.
In one possible implementation of the first aspect, the heat generating device is located on the lamp housing.
In this kind of possible implementation, the device that generates heat is light source drive module or car light control module, has promoted the realizability of scheme.
In one possible implementation manner of the first aspect, the heat generating device includes at least one of a light source, a pixel, a light source driving module, and a vehicle light control module.
The second aspect of the application provides a vehicle, and this vehicle includes liquid cooling loop system, and liquid cooling loop system includes kettle, water pump, the part that needs the heat dissipation and radiator, and the radiator is arranged in for the mobile liquid cooling in the liquid cooling loop system, and this vehicle still includes the car light in above-mentioned first aspect or the arbitrary possible implementation of first aspect, and the car light is connected with liquid cooling loop system.
This second aspect, car light and the sharing liquid cooling circulation of whole car, car light need not solitary cooling system, saves cost such as water pump, radiator and fan, and car light volume and quality can reduce, and car light material specification can degrade, and the suitability after the car light is miniaturized is stronger, has promoted production efficiency and user's travelling comfort.
In one possible implementation manner of the second aspect, the lamp is connected in series with the liquid cooling loop system.
In one possible implementation manner of the second aspect, the lamp is connected in parallel with the liquid cooling loop system.
In one possible implementation manner of the second aspect, the vehicle further includes a flow regulating valve, and the flow regulating valve is connected between the lamp and the liquid cooling loop system.
Among this kind of possible implementation, flow control valve can adjust the flow that cooling liquid flowed into liquid cooling board in the car light, realizes accurate accuse temperature through the flow of control cooling liquid to prevent the fog problem that leads to because of the temperature is too low in the car light.
A third aspect of the present application provides a connector, which includes a support member, a liquid inlet pipe joint, a liquid outlet pipe joint, a sealing member, and a fixing member, wherein the liquid inlet pipe joint and the liquid outlet pipe joint are located on the support member and are integrally formed; the fixing piece is used for fixing the supporting piece on the lamp shell so that the liquid inlet pipe joint is attached to one end of the connecting through hole, the liquid outlet pipe joint is attached to the other end of the connecting through hole, and the connecting through hole is formed in the lamp shell; the sealing member is arranged on the supporting member, the sealing member is attached to the lamp shell, and the vehicle lamp forms a closed space.
In one possible implementation of the third aspect, the sealing member is a sponge or a sealing ring.
In one possible implementation manner of the third aspect, the sealing member is a soft rubber integrally formed with the supporting member.
In one possible implementation of the third aspect, the fixing member is a screw or a snap.
In the embodiment of the application, the device that generates heat sets up with the laminating of liquid cooling board, and the liquid cooling board passes through the liquid cooling loop system in feed liquor pipe and the drain pipe access car, can carry out the heat transfer through the liquid cooling loop system in the car with the liquid cooling board, reduces the temperature of the device that generates heat in the car light to on the basis of satisfying the car light heat dissipation demand, reduced the requirement to car light volume and car light structure.
Drawings
FIG. 1 is a diagram of a vehicle architecture provided in an embodiment of the present application;
FIG. 2 is a schematic view of an embodiment of a vehicular lamp according to the present application;
FIG. 3 is a schematic view of another embodiment of a vehicular lamp provided in the embodiments of the present application;
FIG. 4A is a schematic view of an embodiment of a connector for a vehicular lamp according to the present invention;
FIG. 4B is a schematic view of another embodiment of a connector for a vehicular lamp according to an embodiment of the present application;
FIG. 5 is a schematic view of another embodiment of a vehicular lamp according to an embodiment of the present application;
FIG. 6 is a schematic view of another embodiment of a vehicular lamp according to the embodiment of the present application;
FIG. 7 is a schematic view of another embodiment of a vehicular lamp according to an embodiment of the present application;
FIG. 8 is a schematic view of an embodiment of a vehicle according to an embodiment of the present disclosure;
FIG. 9 is a schematic view of another embodiment of a vehicle according to an embodiment of the present disclosure;
FIG. 10A is a schematic view of another embodiment of a vehicle according to an embodiment of the present disclosure;
FIG. 10B is a schematic diagram of another embodiment of a vehicle according to an embodiment of the present disclosure;
FIG. 10C is a schematic view of another embodiment of a vehicle according to an embodiment of the present disclosure;
FIG. 10D is a schematic view of another embodiment of a vehicle provided in an embodiment of the present application;
FIG. 11 is a schematic view of another embodiment of a vehicle according to an embodiment of the present application;
fig. 12 is a schematic view of another embodiment of the vehicle according to the embodiment of the present application.
Detailed Description
Embodiments of the present application will be described with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present application, and not all embodiments of the present application. As can be known to those skilled in the art, with the development of technology and the emergence of new scenes, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.
The embodiment of the application provides a car light for on the basis of satisfying the heat dissipation demand of car light, reduced the requirement to car light volume and car light structure. The embodiment of the application also provides a corresponding vehicle, a connector and the like. The following are detailed descriptions.
The following exemplifies an application scenario of the embodiment of the present application.
As shown in fig. 1, in a vehicle 100 (for example, a car, a bus, or a truck using gasoline, electric power, or a hybrid of gasoline and electric power), there are heat-dissipation-required components 114 such as a motor (motor), a Motor Control Unit (MCU), an on-board charger (OBC), and a voltage converter (DC-DC converter), and these heat-dissipation-required components 114, a water tank 111, a water pump 112, and a radiator 113 constitute a liquid cooling loop system 110 of the vehicle.
Specifically, the water bottle 111 may remove air from the liquid cooling loop system 110, and supply cooling liquid to the liquid cooling loop system 110, the water pump 112 is configured to provide power for the cooling liquid, so that the cooling liquid circulates in the liquid cooling loop system 110, the cooling liquid passes through the heat dissipation part 114, and then cools the heat dissipation part 114 through heat exchange, the cooling liquid heated by the heat dissipation part 114 flows into the heat sink 113, a fan may be further disposed in the heat sink 113, and the heat sink 113 may cool the cooling liquid through natural air convection, forced fan convection, or a refrigerant in the vehicle 100, so that the cooling liquid may cool the heat dissipation part 114 again. Wherein, the cooling liquid can be distilled water, deionized water or other liquid cooling liquid and the like. It should be understood that the connection manner of the heat-radiating member 114, the kettle 111, the water pump 112, the heat radiator 113, etc. may not be limited to the connection manner shown in fig. 1.
The vehicle 100 further includes a lamp 120, the lamp 120 includes a front lamp, a rear lamp, other decorative lamps, and the like, when the lamp 120 is a high-power lamp, the lamp 120 also needs to dissipate heat, junction temperature of a light-emitting diode (LED) or a Laser Diode (LD) device in the high-power lamp 120 needs to be controlled below 140 ℃ to meet optical performance and reliability requirements, and the volume is small, heat flux density is high, which leads to increased difficulty in heat dissipation, and therefore the LED/LD needs to overcome the above heat dissipation problem in lighting. On the other hand, when the power type LED/LD is used for the lamp 120, the lamp 120 is disposed in a relatively closed space in the engine compartment area, and the ambient temperature is as high as 100 degrees celsius or more, and the vibration during driving has a high requirement for stability, which increases the difficulty in heat dissipation of the lamp 120.
The following exemplifies the vehicle lamp provided in the embodiment of the present application with reference to the above application scenarios.
As shown in fig. 2, a vehicle lamp provided in the embodiment of the present application includes a lamp housing 200, a lamp cover 210, a heat generating device 220, a liquid cooling plate 230, a liquid inlet pipe 240, and a liquid outlet pipe 250.
The heating device 220 and the liquid cooling plate 230 are attached to each other, the heating device 220 and the liquid cooling plate 230 may be directly attached to each other or indirectly attached to each other through other elements, as long as the heating device 220 can exchange heat with the liquid cooling plate 230, the external frame of the vehicle lamp includes a lamp housing 210 that is transparent to light and a lamp housing 200 that is opaque to light, the lamp housing 200 and the lamp housing 210 are sealed to form a closed space of the vehicle lamp, the liquid cooling plate 230 is connected to a liquid cooling loop system 260 outside the lamp housing 200 through a liquid inlet pipe 240 and a liquid outlet pipe 250, the liquid inlet pipe 240 and the liquid outlet pipe 250 may be pipes inside the lamp housing 200, pipes in the liquid cooling loop system 260 are connected to the liquid inlet pipe 240 and the liquid outlet pipe 250, or pipes from the liquid cooling plate 230 are connected to the liquid cooling loop system 260, cooling liquid in the liquid cooling loop system 260 may flow into the liquid cooling plate 230 through the liquid inlet pipe 240, after the cooling liquid cooling in the liquid cooling plate 230 exchanges heat with the heating device 220, the cooling liquid cooling loop system 260 flows back to the liquid cooling loop system 260 outside the lamp housing 200 through the liquid cooling pipe 250, and the liquid cooling loop system 260 may be a liquid cooling loop system in the vehicle as shown in fig. 1.
It should be understood that when the heat generating device 220 needs to emit or receive light, the light emitting end or the light receiving end of the heat generating device 220 is exposed in the space, and the surface is not covered.
The vehicle lamp has multiple implementation modes, which are respectively explained as follows:
When the liquid cooling plate is located in a closed space inside the vehicle lamp, that is, the liquid cooling plate is located inside the lamp housing, because the liquid cooling plate is attached to the heating device, the heating device is also located inside the lamp housing, and at this time, the heating device is a light source or a pixel, specifically, the light source is a light-emitting and heating device, such as an LED and an LD device, and the pixel is a non-light-emitting heat source, such as a Liquid Crystal On Silicon (LCOS) and a digital micro-mirror device (DMD).
Because of the liquid cooling board is located the inside of lamp body, in order to let the liquid cooling board pass through liquid inlet pipe and drain pipe and the outside liquid cooling return circuit headtotail of lamp body, and keep the car light to be an airtight space, the lamp body still includes connect the via hole, behind liquid inlet pipe and the liquid outlet pipe income liquid cooling board, through connect the via hole and liquid cooling return circuit headtotail, the car light forms airtight space, the lamp body has two kinds of realization methods this moment, explains below respectively:
implementation mode 1.1, connecting with liquid cooling loop system through connector
As shown in fig. 3, the vehicular lamp includes a lamp housing 300, a lamp cover 310, a module lens 320, a heat generating device 340, a liquid cooling plate 350, a liquid inlet pipe 360, a liquid outlet pipe 370, and a connector 380.
Specifically, the heat generating device 340 is an LED device and an LCOS (it should be understood that the heat generating device 340 may also be other light sources or pixels), the heat generating device 340 is attached to the liquid cooling plate 350 through the substrate 341, and the substrate 341 may bear the heat generating device 340. The connector 380 is matched with the size of the connection through hole on the lamp housing 300, the connector 380 is installed in the connection through hole, and the liquid inlet pipe 360 and the liquid outlet pipe 370 are connected with the liquid cooling loop system 390 outside the lamp housing 300 through the connector 380. At this time, the connector 380 is installed at the connection through hole on the lamp housing 300, the connector 380 is connected to the liquid inlet pipe 360 and the liquid outlet pipe 370, and the vehicle lamp is a closed space.
Optionally, the vehicle lamp further includes a light engine body 330, the light engine body 330 is an installation structure member, and is configured to fix the heating device 340 and the module lens 320 at a preset position, so as to ensure that a light path formed by the heating device 340 is incident on the module lens 320, the light engine body 330 can be adjusted according to actual structures of the heating device 340 and the module lens 320, specifically, the module lens 320 and the light engine body 330 are attached to each other, and the light engine body 330 is installed together with the heating device 340 through a substrate or other elements.
Optionally, a heat conducting interface material, such as a heat conducting adhesive, may be disposed between the substrate 341 and the liquid cooling plate 350.
Optionally, the liquid inlet pipe 360 and the liquid outlet pipe 370 are flexible pipes, and the position and the posture of elements and modules in the car lamp can be adjusted.
As shown in fig. 4A and 4B, the connector 400 includes a supporting member 410, a liquid inlet pipe joint 420, a liquid outlet pipe joint 430, a sealing member 440, and a fixing member 450, the liquid inlet pipe joint 420 and the liquid outlet pipe joint 430 are located on the supporting member 410, the liquid inlet pipe joint 420 is connected to the liquid inlet pipe 421, the liquid outlet pipe joint 430 is connected to the liquid outlet pipe 431, the liquid inlet pipe 421 and the liquid outlet pipe 431 pass through the connector 400 and are connected to the liquid cooling loop system 470 outside the lamp housing 460, the fixing member 450 is used for fixing the supporting member 410 to the lamp housing 460, the sealing member 440 is located on the supporting member 410, and after the supporting member 410 is fixed to the lamp housing 460 by the fixing member 450, the sealing member 440 is attached to the lamp housing 460, so that the vehicle lamp maintains a sealed space.
Optionally, as shown in fig. 4A, the sealing member 440 is a sponge, a sealing ring, or a soft rubber integrally formed with the supporting member 410, and the fixing member 450 is a screw; as shown in fig. 4B, the sealing element 440 is a sponge, a sealing ring, or a soft glue integrally formed with the supporting element 410, the fixing element 450 is a snap, and the sealing element 440 and the fixing element 450 may be made of other materials or structures, which is not limited in this embodiment.
It should be understood that the inlet pipe joint and the outlet pipe joint are hollow pipes, alternatively, in one possible implementation, the cooling liquid does not flow in the inlet pipe joint or the outlet pipe joint, i.e., the inlet pipe directly penetrates through the inlet pipe joint to be connected with the liquid cooling loop system, and the outlet pipe directly penetrates through the outlet pipe joint to be connected with the liquid cooling loop system; in another possible implementation manner, the cooling liquid flows in the liquid inlet pipe joint, that is, the liquid inlet pipe is sleeved on the liquid inlet pipe joint, the other end of the liquid inlet pipe joint is sleeved on the pipeline of the liquid cooling loop system, the liquid outlet pipe is sleeved on the liquid outlet pipe joint, and the other end of the liquid outlet pipe joint is sleeved on the pipeline of the liquid cooling loop system.
Implementation mode 1.2, direct connection with liquid cooling loop system
As shown in fig. 5, the vehicular lamp includes a lamp housing 500, a lamp cover 510, a module lens 520, a heat generating device 540, a liquid cooling plate 550, a liquid inlet pipe 560 and a liquid outlet pipe 570.
Specifically, the heating device 540 is an LD device and a DMD (it should be understood that the heating device 540 may also be other light sources or pixels) respectively, the heating device 540 is attached to the liquid cooling plate 550 through the substrate 541, the connecting through holes include a first through hole and a second through hole, the size of the first through hole is matched with the liquid inlet pipe 560, the size of the second through hole is matched with the liquid outlet pipe 570, the liquid inlet pipe 560 is connected with the liquid cooling loop system 580 through the first through hole, and the liquid outlet pipe 570 is connected with the liquid cooling loop system 580 through the second through hole. At this time, the connection through hole on the lamp housing 500 is connected to the liquid inlet pipe 560 and the liquid outlet pipe 570, and the car lamp is a closed space.
Optionally, the vehicle lamp further comprises a light machine body 530, the light machine body 530 is an installation structure member, and is used for fixing the heating device 540 and the module lens 520 at a preset position, so that it can be ensured that a light path formed by the heating device 540 is incident to the module lens 520, the light machine body 530 can be adjusted according to the actual structures of the heating device 540 and the module lens 520, specifically, the module lens 520 and the light machine body 530 are attached to each other, and the light machine body 530 is installed together with the heating device 540 through a substrate or other elements.
In a possible implementation manner, the LD device and the DMD may share one liquid cooling plate, for example, the substrate of the LD device and the substrate of the DMD share one substrate, and the liquid cooling plate is attached to the substrate to complete heat exchange between the two heat generating devices.
Optionally, the joint of the liquid inlet pipe 560 and the first through hole, and the joint of the liquid outlet pipe 570 and the second through hole are provided with rubber rings 590. It should be understood that the rubber ring 590 may be replaced by other elements having a sealing function, and the embodiment of the present application is not limited thereto.
Implementation mode 2, the liquid cooling plate is positioned on the lamp shell or outside the lamp shell
As shown in fig. 6, a liquid cooling board 630 in the vehicle lamp is disposed on the lamp housing 600 or outside the enclosed space formed by the lamp housing 600 and the lamp cover 610, taking the example that the liquid cooling board 630 is disposed outside the lamp housing 600, the liquid cooling board 630 is connected to a liquid cooling loop system 660 outside the lamp housing 600, because the liquid cooling board 630 is disposed in close contact with the heating device 620, the heating device 620 is disposed on the lamp housing 600, and the vehicle lamp is an enclosed space, at this time, the heating device 630 is a light source driving module or a vehicle lamp control module (it should be understood that the heating device 630 may also be other light sources or pixels), wherein the light source driving module may specifically be an LED Driver Module (LDM), the vehicle lamp control module may specifically be a Headlight Controller (HCM), for example, the heating device 620 is an HCM, the HCM specifically includes a heating electronic component and a driving board, the driving board in the HCM is disposed in close contact with the liquid cooling board 630 through the substrate 621, the liquid cooling board exchanges heat with the heating electronic component in the HCM through the substrate 621, the substrate 621 is parallel to the driving board 621, and the lamp housing 600 is an enclosed space. At this moment, the liquid cooling plate 630, the liquid inlet pipe 640 and the liquid outlet pipe 650 are located outside the lamp housing 600, so that the liquid leakage of the cooling liquid to the inside of the lamp housing 600 can be avoided, the condensation of the vehicle lamp can be avoided, and the reliability of the vehicle lamp can be improved.
It should be understood that implementation 2 may be combined with implementation 1, as shown in fig. 7, for example, when implementation 2 is combined with implementation 1.1, the vehicle lamp includes a lamp housing 700, a lamp cover 710, a module lens 720, a heat generating device 740, a liquid cooling plate 750, a liquid inlet pipe 760, a liquid outlet pipe 770, and a connector 780.
Specifically, the heating device 740 is an LED device and an LCOS inside the lamp housing 700, and an LDM (it should be understood that the heating device 730 may also be other light sources or pixels) on the lamp housing 700, the heating device 740 inside the lamp housing 700 is attached to the liquid cooling plate 750 through a substrate 741, the heating device 740 on the lamp housing 700 is also attached to the liquid cooling plate 750 through the substrate 741, the substrate 741 is parallel to and sealed with the lamp housing 700, the connector 780 is adapted to the size of the connection through hole on the lamp housing 700, the connector 780 is installed in the connection through hole, the connector 780 is sealed with the connection through hole, and the liquid inlet tube 760 and the liquid outlet tube 370 are connected to the liquid cooling loop system 790 outside the lamp housing 700 through the connector 780, so that the vehicle lamp forms a sealed space.
Optionally, this car light still includes ray apparatus body 730, and ray apparatus body 730 is the mounting structure spare for will generate heat device 740 and module camera lens 720 fix in preset position, can guarantee that the light path that generates heat device 740 formed incides to module camera lens 720, and ray apparatus body 730 can be according to the actual structure adjustment of generating heat device 740 and module camera lens 720, and is concrete, and module camera lens 720 and ray apparatus body 730 laminating set up, and ray apparatus body 730 passes through the base plate or other components and generates heat device 740 and install jointly.
It should be understood that implementation mode 2 may also be combined with implementation mode 1.2, that is, the connector is not disposed on the lamp housing, and the multiple liquid cooling plates are respectively located inside the lamp housing, on the lamp housing, or outside the lamp housing, and the specific implementation mode may be understood with reference to the foregoing corresponding description, which is not described herein again in this embodiment of the present application.
Along with car light trend volume is more and more littleer, car light power is more and more big, the user also more and more strict to car light noise requirement simultaneously, the car light that the embodiment of the application provided, the device that generates heat sets up with the laminating of liquid cooling board, the liquid cooling board passes through the liquid cooling loop system of feed liquor pipe and drain pipe access car in, can carry out the heat transfer with the liquid cooling board through the liquid cooling loop system in the car, reduce the temperature of the device that generates heat in the car light, share whole car thermal management system, the heat dissipation resource of integration, thereby on the basis that satisfies car light heat dissipation demand, the requirement to car light volume and car light structure has been reduced, the noise that the introduction fan produced has been avoided simultaneously, can reduce car light noise level from 40 decibels to 0 decibels, car light module volume reduces more than 50%, realize the lightweight, reduce the carbon row.
The vehicle lamp according to the embodiment of the present application is described above, and the vehicle according to the embodiment of the present application is described below.
As shown in fig. 8, in a vehicle 800 provided in an embodiment of the present application, the vehicle includes a liquid-cooling loop system 810 and any one of the lamps 820 described in fig. 2 to 7, the liquid-cooling loop system 810 may be the liquid-cooling loop system in the vehicle shown in fig. 1, the liquid-cooling loop system 810 provided in the embodiment of the present application includes a water bottle 811, a water pump 812, a component 814 requiring heat dissipation, and a heat sink 813, where the water bottle 811 may remove air in the liquid-cooling loop system 810 and supplement cooling liquid in the liquid-cooling loop system 810, the water pump 812 is configured to provide power for the cooling liquid, so that the cooling liquid circulates in the liquid-cooling loop system 810, and after the cooling liquid passes through the component 814 requiring heat dissipation and the lamp 820, the cooling liquid also flows into the heat sink 813 by heat exchange to cool the component 814 and the lamp 820, the heat sink 813 may cool the cooling liquid by air or a refrigerant in the vehicle 800, and the heat sink 813 may further be provided in the heat sink 813, so that the cooling liquid may re-cool the component 813 and the lamp 820 again.
The cooling liquid may be distilled water, deionized water or other liquid working medium, and the connection methods of the heat dissipation component 814, the kettle 811, the water pump 812, the heat sink 813 and the like are not limited to the connection method shown in fig. 8.
Optionally, the vehicle 800 further includes a flow regulating valve 830, the flow regulating valve 830 is connected between the vehicle lamp 820 and the liquid cooling loop system 810, the flow regulating valve 830 can regulate the flow of the cooling liquid flowing into the vehicle lamp 820 to the liquid cooling plate, and the accurate temperature control is realized by controlling the flow of the cooling liquid, so as to prevent the fogging problem caused by too low temperature in the vehicle lamp 820.
In the vehicle that this application embodiment provided, the car light is connected with liquid cooling return circuit system, and along with the change of car light quantity, the connected mode of car light and liquid cooling return circuit system has the multiple, explains in detail respectively below:
1. the number of the vehicle lamps is one
As shown in fig. 9, only one lamp 920 of the vehicle 900 is a high-power lamp and needs to dissipate heat, the lamp 920 is connected between a radiator 913 and a kettle 911 in a liquid cooling loop system 910, a water pump 912 in the liquid cooling loop system 910 conveys cooling liquid to a component 914 requiring heat dissipation, the component 914 requiring heat dissipation is cooled through heat exchange, the heated cooling liquid continuously flows into the radiator 913, the radiator 913 cools the cooling liquid through air or a refrigerant in the vehicle 900, the cooled cooling liquid continuously flows into the lamp 920, and the lamp 920 is cooled through heat exchange.
2. The number of the car lamps is two
When two lamps (for example, two headlights) of the vehicle need to dissipate heat, referring to fig. 8 together, the two lamps 820 can be regarded as being connected in series with the liquid cooling loop system 810 as a whole, specifically, the two lamps 820 are connected in parallel with the heat sink 813 after being connected in series, so that the length of a water pipe in the liquid cooling loop system 810 can be shortened to the maximum extent, the branch flow resistance is reduced, and the vehicle has better carrying performance.
There are also a number of implementations of two vehicle lights, as shown in fig. 10A-10D, where a water pump 1012 delivers cooling liquid to a heat-requiring component 1014, a heat sink 1013, and two vehicle lights 1020 after the addition of cooling liquid to a water kettle 1011 in a liquid-cooled loop system 1010. More specifically, in fig. 10A, the two lamp 1020 can be regarded as being connected in parallel with the liquid cooling loop system 1010, specifically, the two lamp 1020 are connected in parallel with the radiator 1013 respectively, so that compared to the connection manner shown in fig. 8, the influence of heat dissipation between the two lamp 1020 is small, and the cooling liquid is divided into two branches to flow into the two lamp 1020 respectively. In fig. 10B, the two lamps 1020 can be regarded as being connected in series with the liquid-cooling loop system 1010, specifically, the two lamps 1020 are connected in series and then connected in parallel to one side of the radiator 1013, so that compared to the connection manner shown in fig. 8, the heated cooling liquid after radiating heat for the two lamps 1020 flows through the radiator 1013, and does not have a significant influence on the temperature of the cooling liquid in the main line of the liquid-cooling loop system 1010. In fig. 10C, the two vehicle lamps 1020 are not connected, but are directly connected to the liquid cooling loop system 1010 in series, specifically, the two vehicle lamps 1020 are connected to the two sides of the heat sink 1013 in parallel, so that the influence of heat dissipation between the two vehicle lamps 1020 is also small. In fig. 10D, the two lamps 1020 can be regarded as being connected in series and then connected in parallel with the liquid cooling loop system 1010 as a whole, specifically, the two lamps 1020 are connected in series and then connected in parallel with one side of the heat sink 1013, so that the influence of heat dissipation between the two lamps 1020 can be further reduced.
3. The number of the car lamps is four
As shown in fig. 11, when four lamps 1120 (for example, two front lamps and two rear tail lamps) of a vehicle 1100 need to dissipate heat, the four lamps 1120 are connected in series two by two and then connected to two sides of a radiator 1113 in a liquid cooling loop system 1110 in parallel, after cooling liquid is added to a water kettle 1111 in the liquid cooling loop system 1110, a water pump 1112 transports the cooling liquid to a component 1114 that needs to be dissipated, the component 1114 that needs to be dissipated is cooled through heat exchange, the heated cooling liquid continues to flow into the radiator 1113 and the four lamps 1120, the radiator 1113 cools the cooling liquid through air or a refrigerant in the vehicle 1100, the cooled cooling liquid continues to flow into the lamps 1120, and the lamps 1120 are cooled through heat exchange.
It should be understood that the number of the vehicles that need to be connected to the liquid-cooling loop system may also be three or five, and other connection manners may also be used between one or more lamps and the liquid-cooling loop system, which is not limited in the embodiments of the present application.
Optionally, in the vehicle provided in the embodiment of the present application, the vehicle lamp may be replaced with other modules that need heat dissipation, such as a Head Up Display (HUD) module, an on-vehicle display screen, a seat temperature adjustment module, or be connected to the liquid cooling loop system together with the vehicle lamp.
In order to describe the connection relationship between the liquid cooling loop system and the lamps in the vehicle in more detail, as shown in fig. 12, the vehicle 1200 provided in the embodiment of the present application includes two lamps 1210 and a liquid cooling loop system 1220, the liquid cooling loop system 1220 is a cooling system provided in the vehicle 1200, the two lamps 1210 are respectively a left headlamp and a right headlamp of the vehicle 1200, the lamps 1210 include a lamp cover 1211, a lamp housing 1212, a heating device 1213, a liquid cooling plate 1214, a liquid inlet pipe 1215, a liquid outlet pipe 1216, and a connector 1217, and the liquid cooling loop system 1220 includes a liquid cooling loop pipe 1221, a water kettle 1222, a water pump 1223, a radiator 1224, and a cooling fan 1225.
Specifically, the lamp cover 1211, the lamp housing 1212, the connector 1213, the liquid inlet pipe 12115 and the liquid outlet pipe 1216 jointly form a closed space for the lamp 1210, after the cooling liquid is added to the kettle 1222 in the liquid-cooled loop system 1220, the cooling liquid starts to flow in the liquid-cooled loop pipe 1221 through the water pump 1223, when passing through the radiator 1224, the radiator 1224 cools the cooling liquid through natural convection of air and forced convection of the cooling fan 1225, and then the cooling liquid flows into the liquid-cooled plate 1214 in the lamp 1210 through the liquid inlet pipe 1215 and the connector 1217 to exchange heat with the heat generating device 1213, and flows back to the liquid-cooled loop pipe 1221 in the liquid-cooled loop system 1220 through the liquid outlet pipe 1216 and the connector 1217 and continues to flow into the next lamp 1210, and finally flows back to the radiator 1224 to complete cooling, so as to cool the heat generating device 1213 in the lamp 1220 in a circulating manner.
It should be understood that, when the vehicle 1200 does not have a low-temperature liquid-cooling loop system in itself, the liquid-cooling loop system 1220 may also be separately provided for two lamps 1210, and the liquid-cooling loop system 1220 is not connected to a component in the vehicle 1200 that needs to be cooled, so that it is ensured that the cooling liquid in the liquid-cooling loop system 1220 is only used for cooling one or more lamps 1210 (refer to the foregoing lamps with different numbers in fig. 9-11), thereby improving the cooling effect. In addition, when the liquid-cooling loop system 1220 is separately provided for the vehicle lamp 1210, in order to ensure miniaturization and adaptability of the liquid-cooling loop system 1220, optionally, the kettle 1222 may not be provided in the liquid-cooling loop system 1220, and the cooling liquid is circulated in the liquid-cooling loop system 1220.
The vehicle that this application embodiment provided, car light and whole car sharing liquid cooling circulation, the car light need not solitary cooling system, saves cost such as water pump, radiator and fan, and car light volume and quality can reduce, and car light material specification can degrade, and the suitability after the car light is miniaturized is stronger, has promoted production efficiency, has still avoided using radiator fan in the car light in addition, has reduced because of the noise that radiator fan produced, has promoted user's travelling comfort.
The lamp and the vehicle according to the embodiment of the present application are described above, and the connector according to the embodiment of the present application is described below.
The embodiment of the present application further provides a connector, which may refer to the connector 400 shown in fig. 4A and 4B, and includes a supporting member 410, a liquid inlet pipe joint 420, a liquid outlet pipe joint 430, a sealing member 440, and a fixing member 450, wherein the liquid inlet pipe joint 420 and the liquid outlet pipe joint 430 are located on the supporting member 410 and are integrally formed; the fixing member 450 is used for fixing the support member 410 on the lamp housing 460, so that the liquid inlet pipe joint 420 is attached to one end of the connection through hole, the liquid outlet pipe joint 430 is attached to the other end of the connection through hole, and the connection through hole is formed in the lamp housing 460; the sealing member 440 is disposed on the supporting member 410, the fixing member 450 fixes the supporting member 410 to the lamp housing 460, and the sealing member 440 is attached to the lamp housing 460, so that a closed space is formed by the lamp corresponding to the lamp housing 460.
Optionally, the seal 440 may be a sponge or a gasket; the sealing member 440 may also be a soft rubber integrally formed with the support member; the fixing part 450 is a screw or a buckle, and the specific implementation of the connector may refer to fig. 4A and 4B and the description of the connector in implementation 1.1, which are not described again in this embodiment of the present application.
In the several embodiments provided in the present application, it should be understood that the disclosed structure may be implemented in other ways. For example, the above-described embodiments of the vehicle lights and vehicles are merely illustrative, and for example, the division of the elements into only one logical functional division may be implemented in other ways, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
Claims (16)
1. A car lamp is characterized by comprising a lamp shell, a heating device, a liquid cooling plate, a liquid inlet pipe and a liquid outlet pipe, wherein,
the heating device is attached to the liquid cooling plate;
the liquid cooling plate is connected with a liquid cooling loop system outside the lamp shell through the liquid inlet pipe and the liquid outlet pipe.
2. The vehicular lamp according to claim 1, wherein the liquid-cooling plate is located in a closed space inside the vehicular lamp, the lamp housing includes a connection through hole, and the liquid inlet pipe and the liquid outlet pipe are connected to the liquid-cooling loop system through the connection through hole.
3. The lamp according to claim 2, further comprising a connector installed at the connection through hole, wherein the liquid inlet pipe and the liquid outlet pipe are connected to the liquid cooling loop system through the connector.
4. A vehicular lamp according to claim 3, wherein the connector includes a support member, an inlet pipe joint, an outlet pipe joint, a seal member, and a fixing member, wherein,
the liquid inlet pipe joint and the liquid outlet pipe joint are positioned on the supporting piece, the liquid inlet pipe joint is connected with the liquid inlet pipe, and the liquid outlet pipe joint is connected with the liquid outlet pipe;
the fixing piece is used for fixing the supporting piece on the lamp shell;
the sealing member is positioned on the supporting member, and the sealing member is attached to the lamp shell.
5. The vehicular lamp according to claim 4, wherein the sealing member is a sponge or a gasket.
6. The vehicle light of claim 4, wherein the seal is a soft gel that is integrally formed with the support member.
7. The vehicular lamp according to any one of claims 4 to 6, wherein the fixing member is a screw or a snap.
8. The vehicular lamp according to claim 2, wherein the connection through-hole comprises a first through-hole and a second through-hole, the liquid inlet pipe is connected to the liquid cooling loop system through the first through-hole, and the liquid outlet pipe is connected to the liquid cooling loop system through the second through-hole.
9. The vehicle lamp according to claim 8, wherein rubber rings are arranged at the joint of the liquid inlet pipe and the first through hole and the joint of the liquid outlet pipe and the second through hole.
10. The vehicular lamp according to claim 1, wherein the liquid cooling plate is located on or outside the lamp housing, and the inside of the vehicular lamp is a closed space.
11. The vehicular lamp according to claim 10, wherein the heat generating device is located on the lamp housing.
12. The vehicular lamp according to any one of claims 1-6 and 8-11, wherein the heat generating device comprises at least one of a light source, a pixel, a light source driving module, and a vehicular lamp control module.
13. A vehicle comprising a liquid-cooled loop system, said liquid-cooled loop system comprising a kettle, a water pump, components requiring heat dissipation and a heat sink, said heat sink being adapted to cool a fluid flowing in said liquid-cooled loop system, characterized in that said vehicle further comprises a vehicle lamp according to any of claims 1 to 12, said vehicle lamp being connected to said liquid-cooled loop system.
14. The vehicle of claim 13, wherein the lamp is in series with the liquid cooling loop system.
15. The vehicle of claim 13, wherein the lamp is connected in parallel with the liquid cooling loop system.
16. The vehicle of any of claims 13-15, further comprising a flow control valve connected between the lamp and the liquid cooling loop system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221680631.9U CN218295576U (en) | 2022-07-01 | 2022-07-01 | Car lamp and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221680631.9U CN218295576U (en) | 2022-07-01 | 2022-07-01 | Car lamp and vehicle |
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| Publication Number | Publication Date |
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| CN218295576U true CN218295576U (en) | 2023-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221680631.9U Active CN218295576U (en) | 2022-07-01 | 2022-07-01 | Car lamp and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024001532A1 (en) * | 2022-07-01 | 2024-01-04 | 华为技术有限公司 | Vehicle lamp and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024001532A1 (en) * | 2022-07-01 | 2024-01-04 | 华为技术有限公司 | Vehicle lamp and vehicle |
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