CN211526340U - Automobile headlamp antifogging system - Google Patents
Automobile headlamp antifogging system Download PDFInfo
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- CN211526340U CN211526340U CN202020147584.6U CN202020147584U CN211526340U CN 211526340 U CN211526340 U CN 211526340U CN 202020147584 U CN202020147584 U CN 202020147584U CN 211526340 U CN211526340 U CN 211526340U
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Abstract
The utility model discloses an antifog system of car headlamp, including lamp body, lamp shade and luminescence unit, the lamp body with the lamp shade lock, the luminescence unit is installed the lamp body with the inside of lamp shade still includes air-supply line, guide duct and ventilative cap, the air-supply line is installed the outside of lamp body, the air-supply line with the one end of guide duct is connected, the guide duct sets up the inside of lamp body, the other end of guide duct lets in the internal surface of lamp shade, ventilative cap is seted up on the lamp body. The utility model discloses an air-supply line and guide duct are with the internal surface of air current from the leading-in lamp shade of outside, and the air current flows from ventilative cap again, forms the air current of continuous flow, carries out defogging and antifog to the internal surface of lamp shade. The utility model discloses the onset is fast, antifog effectual, long-time use need not to replace spare part.
Description
Technical Field
The utility model relates to a technical field of car especially relates to an antifog system of car headlamp.
Background
The existing automobile headlamp often has the problem of fog condensation inside a headlamp lampshade due to poor air circulation. The fog condensation of the headlight can cause the problems of dazzling, insufficient brightness of the headlight, marks in the lampshade and the like.
There are three main methods for preventing fog condensation of vehicle lamps:
firstly, air holes/films are added at the rear part of the lamp to enhance the air flow in the lamp;
secondly, a drying agent is placed in the lamp to absorb moisture in the lamp;
thirdly, an antifogging coating is coated inside the lampshade, and a uniform water film is formed on the surface of the hydrophilic coating.
These several solutions have the following disadvantages:
1) the air flow in the lamp is mainly realized by the air pressure difference between the air holes/membranes, the lamp can respond to the rapid change of temperature and pressure, the lamp can effectively prevent water for a long time by dehumidifying through the microporous EPFE membrane, but the domestic use is particularly sensitive to the problem of fog, and most OEMs can finish the fog removing standard within 15-30 minutes in China and cannot meet the requirements of the OEMs.
2) The desiccant has short service life and can only absorb 30% of water by weight.
3) When the amount of the condensed mist exceeds the maximum water absorption amount of the coating, marks are formed on the inner surface of the lampshade. Antifog coatings can work in the worst environment for 240 hours, and when 2-3 years later, even if the seal is good, fogging problems can occur.
Therefore, it is necessary to design an anti-fog system for an automobile headlamp, which has fast effect, good anti-fog effect and no need of replacing parts for long-term use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide one kind and take effect fast, antifog effectual, long-time use need not the automobile headlamp antifog system of replacement spare part.
The technical scheme of the utility model provide an antifog system of car headlamp, including lamp body, lamp shade and luminescence unit, the lamp body with the lamp shade lock, the luminescence unit is installed the lamp body with the inside of lamp shade still includes air-supply line, guide duct and ventilative cap, the air-supply line is installed the outside of lamp body, the air-supply line with the one end of guide duct is connected, the guide duct sets up the inside of lamp body, the other end of guide duct lets in the internal surface of lamp shade, ventilative cap is seted up on the lamp body.
Further, an air flow path passing through the inner surface of the lampshade is formed between the other end of the air guide pipe and the ventilation cap.
The lighting unit is arranged on the decorative ring, the air guide pipe is arranged on one side of the decorative ring, an air passing opening is formed in the other side of the decorative ring, and the air flow path leads to the ventilation cap after passing through the air passing opening.
Furthermore, the air inlet pipe comprises a first air pipe and a second air pipe which are communicated with each other, the first air pipe is connected with an external air inlet device, and the second air pipe is directly communicated with the air inlet on the lamp shell.
Further, a drying agent is arranged in the second air pipe.
Furthermore, one end of the air guide pipe is directly connected with the air inlet.
Furthermore, a sleeve is arranged at the air inlet, and the second air pipe is sleeved outside the sleeve.
Furthermore, a sleeve is arranged at the air inlet, and one end of the air guide pipe is sleeved outside the sleeve.
Furthermore, the air inlet device is an air conditioner air inlet device, the first air pipe is a three-way pipe, the first end of the first air pipe is connected with the air conditioner air inlet device, the second end of the first air pipe is connected with the second air pipe, and the third end of the first air pipe is connected with an air conditioner host.
After adopting above-mentioned technical scheme, have following beneficial effect:
the utility model discloses an air-supply line and guide duct are with the internal surface of air current from the leading-in lamp shade of outside, and the air current flows from ventilative cap again, forms the air current of continuous flow, carries out defogging and antifog to the internal surface of lamp shade. The utility model discloses the onset is fast, antifog effectual, long-time use need not to replace spare part.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is a schematic structural diagram of an anti-fog system of a headlamp of an embodiment of the present invention.
Reference symbol comparison table:
the lamp comprises a lamp shell 1, a lamp shade 2, a light-emitting unit 3, an air inlet pipe 4, an air guide pipe 5, a ventilating cap 6, a decorative ring 7, a drying agent 8, an air inlet 11, a sleeve 12, a first air pipe 41, a second air pipe 42 and an air passing opening 71.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
It is easily understood that, according to the technical solution of the present invention, a plurality of structural modes and implementation modes that can be mutually replaced by those of ordinary skill in the art can be achieved without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical solutions of the present invention, and should not be construed as limiting or restricting the technical solutions of the present invention in its entirety or as a limitation of the present invention.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
As shown in fig. 1, the antifogging system for the front headlamp of the automobile comprises a lamp shell 1, a lampshade 2 and a light-emitting unit 3, wherein the lamp shell 1 is buckled with the lampshade 2, the light-emitting unit 3 is installed inside the lamp shell 1 and the lampshade 2, the antifogging system further comprises an air inlet pipe 4, an air guide pipe 5 and a ventilation cap 6, the air inlet pipe 4 is installed outside the lamp shell 1, the air inlet pipe 4 is connected with one end of the air guide pipe 5, the air guide pipe 5 is arranged inside the lamp shell 1, the other end of the air guide pipe 5 is communicated with the inner surface of the lampshade 2, and the ventilation cap 6.
Specifically, the lampshade 2 is arranged on the front side of the lamp housing 1, is a transparent housing, and is used for transmitting light to the front of the vehicle body.
The light emitting unit 3 is disposed inside the lamp housing 1 and the lamp housing 2, and emits high beam or low beam.
The lamp housing 1 is located at the rear side of the lamp shade 2, and is a generally opaque housing, and a cavity is formed between the lamp housing 1 and the lamp shade 2 to provide an installation space for the light emitting unit 3 and other headlamp structures.
The air inlet pipe 4 is used for being connected with external air inlet equipment and is arranged on the rear side of the outside of the lamp shell 1;
the air guide pipe 5 is positioned inside the lamp shell 1 and is communicated with the air inlet pipe 4, and the tail end of the air guide pipe 5 guides the airflow to one side of the inner surface of the lampshade 2.
The ventilation cap 6 is arranged on the other side of the lamp shell 1, and the air flow forms an air flow path from the tail end of the air guide pipe 5 to the ventilation cap 6. Black arrows in fig. 1 indicate air flow paths that pass through the inner surface of the lamp casing 2 to perform a drying process on the inner surface of the lamp casing 2, thereby performing an anti-fog and defogging function. The automobile headlamp anti-fog system in the embodiment has the advantages of quick effect, good anti-fog effect and no need of replacing parts after long-time use.
Further, as shown in fig. 1, the anti-fog system of the headlamp of the automobile further includes a decorative ring 7, the light-emitting unit 3 is mounted on the decorative ring 7, the air guiding tube 5 is disposed on one side of the decorative ring 7, an air inlet 71 is disposed on the other side of the decorative ring 7, and the air flow path leads to the ventilation cap 6 after passing through the air inlet 71.
The decoration ring 7 is installed between the lamp housing 1 and the lamp shade 2, the air guide pipe 5 is arranged on one side of the decoration ring 7 and is communicated with an air flow path between the lamp shade 2 and the lamp housing 1, the tail end of the air guide pipe 5 is introduced into one end of the lamp shade 2, and the air passing opening 71 is located at the other end of the lamp shade 2, so that the air flow path from one end of the lamp shade 2 to the other end is favorably formed.
Further, as shown in fig. 1, the air inlet duct 4 includes a first air duct 41 and a second air duct 42 that are communicated with each other, the first air duct 41 is connected to an external air inlet device, and the second air duct 42 is directly communicated with the air inlet 11 of the lamp housing 1.
The first air duct 41 guides the air flow of the external air intake device into the anti-fog system of the headlamp of the automobile, the second air duct 42 is directly connected with the air inlet 11, and the air inlet 11 is directly connected with the air guide duct 5.
The first air duct 41 may be a main air duct, the second air duct 42 may be a branch air duct, the first air duct 41 divides a part of the air flow into the second air duct 42, and the rest of the air flow continues to flow into other devices through the first air duct 41.
Preferably, the air intake device is an air conditioner air intake device, the first air pipe 41 is a three-way pipe, the first end is connected with the air conditioner air intake device, the second end is connected with the second air pipe 42, and the third end is connected with the air conditioner host.
The automobile headlamp antifogging system is used for demisting by introducing the air inlet of the automobile air conditioning equipment into the headlamp through the air inlet pipe 4, and a group of air inlet equipment does not need to be independently arranged, so that the cost is reduced, and the space is saved.
Further, as shown in fig. 1, a desiccant 8 is provided in the second duct 42.
When the air passes through the second air duct 42, the air is dried by the drying agent 8. After the air after drying flows into lamp shade 2, can take away the steam on the lamp shade 2 fast, play the effect of quick defogging.
Since the drying agent 8 is arranged in the external second air duct 42, the replacement is convenient, and the lamp shade 2 and the lamp housing 1 do not need to be disassembled.
Further, as shown in fig. 1, one end of the air guiding pipe 5 is directly connected to the air inlet 11.
Specifically, a sleeve 12 is arranged at the air inlet 11, and one end of the air guide pipe 5 is sleeved outside the sleeve 12.
One end of the air guide pipe 5 is in interference fit with the sleeve 12, so that gas leakage is prevented.
Furthermore, a sleeve 12 is arranged at the air inlet 11, and the second air duct 42 is sleeved outside the sleeve 12.
The second air pipe 42 is sleeved outside the other end of the sleeve 12 and is also in interference fit to prevent air leakage.
When the anti-fog system for the automobile headlamp in the embodiment is used, the airflow enters the first air duct 41 from the air conditioner air inlet device, then is shunted to the second air duct 42, and is dried in the second air duct 42, the dried airflow flows into the air guide duct 5 through the air inlet 11, then flows into one side of the lampshade 2 from the tail end of the air guide duct 5, flows through the inner surface of the lampshade 2, flows out from the air inlet 71, and finally is discharged from the air permeable cap 6. By arranging the air inlet duct 4, the air guide duct 5, the air passing opening 71 and the ventilation cap 6, an air flow path is formed through the inner surface of the lamp housing 2, and the air flow path sequentially passes through: the first air duct 41, the second air duct 42, the air guide duct 5, the inner surface of the lampshade 2, the air passing opening 71 and the air permeable cap 6 are arranged, and the airflow continuously flows through the inner surface of the lampshade 2 due to the continuous inflow of the airflow of the first air duct 41, so that the defogging and antifogging effects on the lampshade 2 are continuously achieved. The automobile headlamp anti-fog system in the embodiment has the advantages of quick effect, good anti-fog effect and no need of replacing parts after long-time use.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (9)
1. The antifogging system for the automotive headlamp comprises a lamp shell, a lampshade and a light-emitting unit, wherein the lamp shell is buckled with the lampshade, the light-emitting unit is installed inside the lamp shell and the lampshade, the antifogging system is characterized by further comprising an air inlet pipe, an air guide pipe and a ventilating cap, the air inlet pipe is installed outside the lamp shell, the air inlet pipe is connected with one end of the air guide pipe, the air guide pipe is arranged inside the lamp shell, the other end of the air guide pipe is communicated with the inner surface of the lampshade, and the ventilating cap is arranged on the lamp shell.
2. The anti-fog system of claim 1, wherein an air flow path is formed between the other end of the air guide tube and the air permeable cap through an inner surface of the lamp housing.
3. The anti-fog system of the headlamp of claim 2, further comprising a decorative ring, wherein the light-emitting unit is mounted on the decorative ring, the air guide pipe is arranged on one side of the decorative ring, an air inlet is formed in the other side of the decorative ring, and the air flow path leads to the ventilation cap after passing through the air inlet.
4. The anti-fog system of the front headlight of the automobile as claimed in claim 1, wherein the air inlet duct comprises a first air duct and a second air duct which are communicated with each other, the first air duct is connected with an external air inlet device, and the second air duct is directly communicated with the air inlet on the lamp housing.
5. The anti-fog system of claim 4, wherein the second air duct has a desiccant disposed therein.
6. The anti-fog system of claim 4, wherein one end of the air duct is directly connected to the air inlet.
7. The anti-fog system of the front headlight of claim 4, wherein a sleeve is arranged at the air inlet, and the second air pipe is sleeved outside the sleeve.
8. The anti-fog system of the headlamp of claim 4, wherein a sleeve is disposed at the air inlet, and one end of the air guide tube is sleeved outside the sleeve.
9. The anti-fog system of the front headlight of the automobile of claim 4, wherein the air intake device is an air conditioner air intake device, the first air duct is a three-way pipe, the first end of the air conditioner air intake device is connected with the air conditioner air intake device, the second end of the air conditioner air intake device is connected with the second air duct, and the third end of the air conditioner air intake device is connected with the air conditioner host.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020147584.6U CN211526340U (en) | 2020-01-22 | 2020-01-22 | Automobile headlamp antifogging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020147584.6U CN211526340U (en) | 2020-01-22 | 2020-01-22 | Automobile headlamp antifogging system |
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| Publication Number | Publication Date |
|---|---|
| CN211526340U true CN211526340U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020147584.6U Active CN211526340U (en) | 2020-01-22 | 2020-01-22 | Automobile headlamp antifogging system |
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| Country | Link |
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| CN (1) | CN211526340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3139182A1 (en) * | 2022-08-30 | 2024-03-01 | Psa Automobiles Sa | Motor vehicle headlight with optimized ventilation |
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2020
- 2020-01-22 CN CN202020147584.6U patent/CN211526340U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3139182A1 (en) * | 2022-08-30 | 2024-03-01 | Psa Automobiles Sa | Motor vehicle headlight with optimized ventilation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201224 Address after: Room 1402, basement and building T7, Nansha Jinmao Bay, No.01, jinmaozhong 2nd Street, Huangge Town, Nansha District, Guangzhou City, Guangdong Province Patentee after: Hengda hengchi new energy automobile technology (Guangdong) Co., Ltd Address before: Room 1403, basement and building T7, Nansha Jinmao Bay, No.01, Jinmao middle street, Huangge Town, Nansha District, Guangzhou, Guangdong Province Patentee before: Evergrande new energy vehicle technology (Guangdong) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220311 Address after: 300000-1, No. 200, Gaoxin 2nd Road, Binhai Science Park, high tech Zone, Binhai New Area, Tianjin Patentee after: Evergrande new energy vehicle (Tianjin) Co.,Ltd. Address before: Room 1402, basement and building T7, Nansha Jinmao Bay, No.01, jinmaozhong 2nd Street, Huangge Town, Nansha District, Guangzhou City, Guangdong Province Patentee before: Hengda hengchi new energy automobile technology (Guangdong) Co.,Ltd. |
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| TR01 | Transfer of patent right |