CN212157025U

CN212157025U - Automobile lamp with heat dissipation structure

Info

Publication number: CN212157025U
Application number: CN202020334043.4U
Authority: CN
Inventors: 董新立; 尚海锋; 谢伟
Original assignee: Jiangsu Alite Semiconductor Technology Co ltd
Current assignee: Jiangsu Alite Semiconductor Technology Co ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-12-15
Anticipated expiration: 2030-03-17

Abstract

The utility model discloses an automobile lamp with a heat dissipation structure, which comprises a bottom plate, a lamp fixedly connected with the bottom plate, a heat exchange plate arranged below the bottom plate, a lampshade connected with the edge of the heat exchange plate, a heat dissipation wall sleeved outside the lampshade, a heat conduction pipe and a spiral cooling pipe embedded in the heat exchange plate, the heat conduction pipe comprises an air inlet pipe and an air outlet pipe, the air inlet pipe and the air outlet pipe are respectively spirally arranged at two sides of the spiral cooling pipe, a temperature sensor is arranged at the circle center of the lower surface of the heat exchange plate, a cooling box connected with the lower part of the heat exchange plate, a plurality of fans arranged at the bottom of the cooling box, a heat dissipation plate arranged in the middle of the cooling box, a plurality of cooling pipes embedded in the heat dissipation plate in parallel and equidistant manner, cooling liquid is filled in the cooling pipes and the spiral cooling pipes, the heat dissipation wall, the utility model discloses structural design is simple, and it is convenient to load and unload, and the radiating effect is excellent, increases the life of car light, reduces the light decay.

Description

Automobile lamp with heat dissipation structure

Technical Field

The utility model relates to a car light technical field, concretely relates to take heat radiation structure's car light.

Background

An LED light source, i.e., a light emitting diode, is a solid-state semiconductor device capable of converting electric energy into visible light, has the advantages of using a low-voltage power supply, low energy consumption, strong applicability, high stability, short response time, no environmental pollution, multicolor light emission, and the like, and gradually replaces incandescent lamps in many fields. The LED light source is used as an automobile lamp, and is generally adopted in the field of urban traffic due to the characteristics of convenience in design, high lighting effect and the like. But the car light has pilot lamp, dipped headlight and far-reaching headlamp etc. when the illumination, and different grade type lighting power is different, and the heat production is different promptly, and especially when going night, the long-time operation of car light leads to a large amount of heats to produce, because car light structural design is comparatively sealed, can shorten the life of car light by a wide margin if the heat dissipation is not good, increases vehicle maintenance cost.

Disclosure of Invention

In order to solve the problems, the utility model aims at providing a take heat radiation structure's car light, through multiple cooling, guarantee the life of LED car light, reduce the light decay.

The utility model adopts the technical proposal that:

an automobile lamp with a heat dissipation structure comprises a bottom plate, wherein a lamp is fixedly connected to the bottom plate, a heat exchange plate is arranged below the bottom plate, a lamp shade is connected to the edge of the heat exchange plate, a heat dissipation wall is sleeved outside the lamp shade to facilitate dissipation of heat in the lamp shade and protect normal operation of the lamp, a heat conduction pipe and a spiral cooling pipe are embedded in the heat exchange plate, the heat conduction pipe comprises an air inlet pipe and an air outlet pipe, the air inlet pipe and the air outlet pipe are respectively and spirally arranged on two sides of the spiral cooling pipe, the spiral cooling pipe firstly cools heat in the heat conduction pipe and facilitates heat to be guided into the cooling box along the heat conduction pipe for cooling, a temperature sensor is arranged in the circle center of the lower surface of the heat exchange plate, a cooling box is connected to the lower portion of the heat exchange plate, the temperature sensor accurately monitors the temperature, the cooling box middle part is equipped with the heating panel, parallel and the equidistance has inlayed a plurality of cooling pipes in the heating panel, the cooling pipe with the coolant liquid has all been annotated in the spiral cooling pipe, be equipped with the space between the cooling pipe, be convenient for controller control the fan rotates, and drive air sees through cooling intertube space cools down, the radiating wall the bottom plate the intake pipe the outlet duct with the cooling box all adopts the heat conduction material, further improves the radiating effect, temperature sensor with the equal electrically connected with controller of fan, the controller is located cooling box lateral wall prevents the high temperature influence the controller normally works.

Preferentially, the outer side of the lampshade is in a tooth shape, and the heat dissipation wall is meshed with the lampshade, so that the contact area of the lampshade is enlarged, and the heat dissipation effect is improved.

Preferentially, the air inlet pipe with be connected with air inlet and gas outlet on the outlet duct respectively, the air inlet with the gas outlet is located respectively the heat transfer board both sides just locate same vertical line, the air inlet direction is towards car light one side, the gas outlet direction is towards cooling box one side.

Preferentially, the air inlet with the gas outlet all pastes and is equipped with waterproof ventilated membrane, prevents that the drop of water after the condensation from passing through the gas outlet drops to the fan and causes the short circuit.

Preferentially, the inner wall of the lampshade is pasted with a reflective film, so that the uniformity of light rays irradiated by the car lamp is ensured.

Preferably, the vehicle lamp is an LED lamp.

The utility model has the advantages that:

1. the air inlet pipe and the air outlet pipe are respectively and spirally arranged on two sides of the spiral cooling pipe, so that the contact area of hot air and the spiral cooling pipe is enlarged, and the temperature is reduced;

2. the heat dissipation wall is meshed with the lampshade, and the heat dissipation wall, the lampshade, the bottom plate and the heat conduction pipe are made of heat conduction materials, so that heat in the lampshade can be dissipated conveniently;

3. the controller controls the fan to rotate, then drives the air in the cooling box to flow, and the air circulates among the gaps of the cooling pipes, so that the air temperature can be quickly reduced, and the temperature in the cooling box is further reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a top view of the heat exchange plate of the present invention;

fig. 3 is a plan view of the heat dissipating plate of the present invention.

Labeled as: 1. the automobile lamp comprises a base plate, 11, an automobile lamp, 2, a heat exchange plate, 21, a heat conduction pipe, 211, an air inlet pipe, 212, an air outlet pipe, 213, an air inlet, 214, an air outlet, 215, a waterproof breathable film, 22, a spiral cooling pipe, 3, a lamp cover, 31, a heat dissipation wall, 4, a temperature sensor, 5, a cooling box, 51, a fan, 52, a heat dissipation plate, 521, a cooling pipe and 6 a controller.

Detailed Description

As shown in fig. 1-3, an automotive lamp with a heat dissipation structure comprises a base plate 1, a lamp 11 is fixedly connected to the base plate 1, a heat exchange plate 2 is arranged under the base plate 1, a lampshade 3 is connected to the edge of the heat exchange plate 2, a heat dissipation wall 31 is sleeved outside the lampshade 3 to facilitate heat dissipation in the lampshade 3 and protect the lamp 11 from normal operation, a heat conduction pipe 21 and a spiral cooling pipe 22 are embedded in the heat exchange plate 2, the heat conduction pipe 21 comprises an air inlet pipe 211 and an air outlet pipe 212, the air inlet pipe 211 and the air outlet pipe 212 are respectively and spirally arranged at two sides of the spiral cooling pipe 22, the spiral cooling pipe 22 first cools the heat in the heat conduction pipe 21 and facilitates the heat to be guided into a cooling box 5 along the heat conduction pipe 21 for cooling, a temperature sensor 4 is arranged at the center of the lower surface of the heat exchange plate 2, a cooling box 5 is connected to the lower part of the heat, 5 middle parts of cooling box are equipped with heating panel 52, parallel and the equidistance has inlayed a plurality of cooling tube 521 in the heating panel 52, cooling tube 521 and spiral cooling tube 22 have all been annotated the coolant liquid, be equipped with the space between

cooling tube

521, 6 control fan 51 of the controller of being convenient for rotate, drive air sees through the space between cooling tube 521 and cools down, stave 31, bottom plate 1, intake pipe 211, outlet duct 212 and cooling box 5 all adopt the heat conduction material, further improve the radiating effect, the equal electric connection of temperature sensor 4 and fan 51 has

controller

6, 5 lateral walls of cooling box are located to controller 6, prevent that high temperature from influencing 6 normal work of controller.

Specifically, as shown in fig. 1, the outer side of the lampshade 3 is in a tooth shape, and the heat dissipation wall 31 is meshed with the lampshade 3, so that the contact area of the lampshade 3 is enlarged, and the heat dissipation effect is improved.

Specifically, as shown in fig. 1, the air inlet pipe 211 and the air outlet pipe 212 are respectively connected to an air inlet 213 and an air outlet 214, the air inlet 213 and the air outlet 214 are respectively disposed on two sides of the heat exchange plate 2 and on the same vertical line, the air inlet 213 faces one side of the vehicle lamp 11, and the air outlet 214 faces one side of the cooling box 5.

Specifically, as shown in fig. 1-2, a waterproof air-permeable membrane 215 is attached to both the air inlet 213 and the air outlet 214 to prevent condensed water droplets from falling to the fan 51 through the air outlet 214 to cause short circuit.

Specifically, as shown in fig. 1, a reflective film is attached to the inner wall of the lamp housing 3 to ensure uniform irradiation of the vehicle lamp 11.

Specifically, as shown in fig. 1, the vehicle lamp 11 is an LED lamp.

As shown in fig. 1-3, the working principle of the present invention is: after the vehicle lamp 11 is turned on, a part of generated heat is conducted from the side wall of the lamp housing 3 to the heat dissipation wall 31 and then transmitted to the outer side of the lamp housing 3; a part of heat is conducted into the cooling box 5 from the air inlet 213, the air inlet pipe 211 and the air outlet pipe 212 from the air outlet 214, and the heat in the heat conduction pipe 21 is cooled spirally through the spiral cooling pipe 22; temperature sensor 4 monitors cooling box 5 internal temperature and transmits output to controller 6, controller 6 control fan 51 rotates, and then drive cooling box 5 internal air and move, and the air flows in cooling plate 52 cooling tube 521 space, can reduce the temperature fast, and then reduce cooling box 5 internal temperature fast, cooling box 5 internal heat is through cooling box 5 conduction to the cooling box 5 outside and dispels the heat, through multiple heat dissipation, increase car light 11's life, reduce the light decay.

The utility model has the advantages that: structural design is simple, and it is convenient to load and unload, and the radiating effect is excellent, increases the life of car light, reduces the light decay, reduces vehicle maintenance cost.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a take heat radiation structure's car light which characterized in that: the cooling device comprises a bottom plate, a car lamp is fixedly connected to the bottom plate, a heat exchange plate is arranged below the bottom plate, the edge of the heat exchange plate is connected with a lamp shade, a heat dissipation wall is sleeved on the outer side of the lamp shade, a heat conduction pipe and a spiral cooling pipe are embedded in the heat exchange plate, the heat conduction pipe comprises an air inlet pipe and an air outlet pipe, the air inlet pipe and the air outlet pipe are respectively spirally arranged on two sides of the spiral cooling pipe, a temperature sensor is arranged at the circle center of the lower surface of the heat exchange plate, a cooling box is connected below the heat exchange plate, a plurality of fans are arranged at the bottom of the cooling box, a heat dissipation plate is arranged in the middle of the cooling box, a plurality of cooling pipes are embedded in the heat dissipation plate in parallel and equidistant mode, cooling liquid is respectively injected into the cooling pipes, gaps are formed among the, the temperature sensor with the equal electric connection of fan has the controller, the controller is located the cooling case lateral wall.

2. The vehicle lamp with a heat dissipation structure according to claim 1, wherein: the outer side of the lampshade is in a tooth shape, and the heat dissipation wall is meshed with the lampshade.

3. The vehicle lamp with a heat dissipation structure according to claim 1, wherein: the air inlet pipe with be connected with air inlet and gas outlet on the outlet duct respectively, the air inlet with the gas outlet is located respectively the heat transfer board both sides just locate same vertical line, the air inlet direction is towards car light one side, the gas outlet direction is towards cooling case one side.

4. The vehicle lamp with a heat dissipation structure according to claim 3, wherein: the air inlet with the gas outlet all pastes and is equipped with waterproof ventilated membrane.

5. The vehicle lamp with a heat dissipation structure according to claim 1, wherein: and a reflective film is adhered to the inner wall of the lampshade.

6. The vehicle lamp with a heat dissipation structure according to claim 1, wherein: the car light adopts an LED lamp.