CN110186011B - Active heat dissipation defogging device and car light - Google Patents
Active heat dissipation defogging device and car light Download PDFInfo
- Publication number
- CN110186011B CN110186011B CN201910551700.2A CN201910551700A CN110186011B CN 110186011 B CN110186011 B CN 110186011B CN 201910551700 A CN201910551700 A CN 201910551700A CN 110186011 B CN110186011 B CN 110186011B
- Authority
- CN
- China
- Prior art keywords
- cover plate
- movable cover
- bottom frame
- fixed bottom
- heat dissipation
- 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.)
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Links
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 31
- 230000003068 static effect Effects 0.000 claims abstract description 6
- 238000009423 ventilation Methods 0.000 abstract description 11
- 239000012528 membrane Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000002274 desiccant Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/20—Promoting gas flow in lighting devices, e.g. directing flow toward the cover glass for demisting
-
- 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
- F21S45/30—Ventilation or drainage of lighting devices
- F21S45/33—Ventilation or drainage of lighting devices specially adapted for 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
- 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
-
- 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
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides an active heat dissipation defogging device, which comprises: the demisting device comprises a demisting device shell, a demisting device body and a demisting device cover, wherein the demisting device shell comprises a fixed bottom frame and a movable cover plate; the static passive breathable film is arranged on the movable cover plate and covers the opening on the movable cover plate; the dynamic active breathable film has a telescopic function, is arranged between the fixed bottom frame and the movable cover plate and is respectively and hermetically connected with the fixed bottom frame and the movable cover plate; and one end of the opening and closing component is connected with the movable cover plate, and the other end of the opening and closing component is connected with a power component in the vehicle. When the active heat dissipation defogging device is used, the power component in the vehicle is started and drives the movable cover plate to be opened, and the movable cover plate drives the dynamic active ventilation film to stretch, so that the dynamic active ventilation film is fully distributed at the gap between the movable cover plate and the fixed bottom frame, and the active heat dissipation defogging device has a larger heat dissipation defogging area.
Description
Technical Field
The invention relates to the field of car lamps, in particular to an active heat dissipation defogging device and a car lamp.
Background
At present, an automotive headlamp generally uses a bulb as a light source, when the headlamp works, the bulb can generate a large amount of heat, so that the temperature nearby the bulb is increased, the temperature distribution in the lamp is uneven, if the humidity in the lamp is large, water mist is very easy to generate, the lighting effect is influenced, and further, vision barriers to vehicles and pedestrians are caused, so that traffic safety accidents are easy to cause.
Vehicle lamp fogging is an unavoidable industrial problem, and the problem of vehicle lamp fogging is solved effectively. The conventional method mainly comprises the steps of adding a drying agent in the lamp, spraying anti-fog paint on the inner wall of the lamp shade, and the like, wherein the methods have obvious timeliness, the defogging effect is obviously reduced after long-time use, the manufacturing process is increased, and various costs are added to the later stage even in order to not cause defogging on a visible surface or to sacrifice the modeling or change the internal structure of the lamp.
The existing automotive headlamps of some high-end motorcycle types are provided with fans on the inner wall of the lamp housing, so that the temperature difference of different parts in the lamp is reduced in an air circulation mode in the lamp, and meanwhile, the water in the lamp is removed by using a drying agent, so that the purpose of preventing water mist is achieved. The disadvantages of the above structure are: the fan and desiccant occupy space within the lamp and are difficult to replace, and once the fan fails or the desiccant fails, it is not possible to effectively defog.
Therefore, a brand new heat dissipation defogging structure for the car lamp is continued, the assembly is convenient, the use is stable, and the continuous defogging effect is achieved.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an active heat dissipation and defogging device and a car lamp.
The technical scheme for solving the technical problems is as follows: an active heat dissipation defogging device comprising:
the demisting device comprises a demisting device shell, a demisting device body and a demisting device cover, wherein the demisting device shell comprises a fixed bottom frame and a movable cover plate, the fixed bottom frame is connected with the movable cover plate through a connecting part, and openings are formed in the fixed bottom frame and the movable cover plate;
the static passive breathable film is arranged on the movable cover plate and covers the opening on the movable cover plate;
The dynamic active breathable film has a telescopic function, is arranged between the fixed bottom frame and the movable cover plate and is respectively and hermetically connected with the fixed bottom frame and the movable cover plate;
one end of the opening and closing component is connected with the movable cover plate, and the other end of the opening and closing component is connected with a power component in the vehicle;
The power component in the vehicle is started and drives the movable cover plate to open, and the movable cover plate drives the dynamic active type breathable film to stretch, so that the dynamic active type breathable film is fully distributed at the gap between the movable cover plate and the fixed bottom frame, and the active heat dissipation and defogging device is enabled to have larger heat dissipation and defogging area.
Preferably, the dynamic active ventilation film is in a fan shape of a folding fan, and the dynamic active ventilation film is respectively and hermetically connected at the edges of the fixed bottom frame and the movable cover plate.
Preferably, the lower end of the connecting part is provided with an inclined guide surface, and the front end of the connecting part is also provided with a limiting part for limiting the movable cover plate downwards.
Preferably, the connecting part is arranged at the upper ends of the fixed bottom frame and the movable cover plate, and the opening and closing part is connected at the lower end of the movable cover plate.
Preferably, the active heat dissipation defogging device further comprises a resetting component for resetting the movable cover plate.
Preferably, the reset component is a first reset spring, one end of the first reset spring is fixed on the fixed bottom frame, and the other end of the first reset spring is fixed on the movable cover plate.
Preferably, the opening and closing part is a pull rod, the reset component is a second reset spring, the second reset spring is sleeved on the pull rod, one end of the second reset spring is connected with the movable cover plate, and the other end of the second reset spring is connected with the vehicle body.
A car lamp comprises a car lamp main body, wherein a mounting groove is formed in the car lamp main body, and the active heat dissipation and defogging device is arranged in the mounting groove.
The invention has the beneficial effects that: 1. the combination of the static passive ventilated membrane and the dynamic active ventilated membrane can freely change the radiating and defogging areas of the ventilated membrane, meet the requirements of various weather and driving environments, ensure the timely dispersion of fog in the car lamp, ensure the normal use of lamplight and improve the driving safety; 2. the novel portable electric power generation device has the advantages of simple and reasonable overall structure, very convenient operation and use, high mechanism stability, capability of ensuring long-time normal use, convenience in disassembly and assembly, simple process, lower cost and stronger market competitiveness.
Drawings
FIG. 1 is a schematic view of the dynamic active ventilation membrane in the closed state.
FIG. 2 is a schematic view of the dynamic active ventilation membrane in the present invention.
FIG. 3 is an exploded view of the dynamic active venting membrane of the present invention in an open state.
Fig. 4 is a schematic structural view of the connection member in the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
Referring to fig. 1 to 4, an active heat dissipation demisting device includes:
the demisting device comprises a demisting device shell, a demisting device shell and a demisting device shell, wherein the demisting device shell comprises a fixed underframe 1 and a movable cover plate 2, the fixed underframe 1 is connected with the movable cover plate 2 through a connecting part 3, and openings are formed in the fixed underframe 1 and the movable cover plate 2;
a static passive ventilation film 4 which is arranged on the movable cover plate 2 and covers the opening on the movable cover plate 2;
the dynamic active type breathable film 5 has a telescopic function, is arranged between the fixed bottom frame 1 and the movable cover plate 2 and is respectively connected with the fixed bottom frame 1 and the movable cover plate 2 in a sealing way;
an opening and closing member 6 having one end connected to the movable cover 2 and the other end connected to a power unit in the vehicle;
The power component in the vehicle is started and drives the movable cover plate 2 to be opened, and the movable cover plate 2 drives the dynamic active type breathable film 5 to stretch, so that the dynamic active type breathable film 5 is fully distributed at the gap between the movable cover plate 2 and the fixed bottom frame 1, and the active heat dissipation and defogging device has a larger heat dissipation and defogging area.
In this embodiment, the dynamic active ventilation film 5 is in a fan shape of a folding fan, and the dynamic active ventilation film 5 is respectively and hermetically connected to the edges of the fixed bottom frame 1 and the movable cover plate 2. The embodiment provides a specific structure of a dynamic active type breathable film 5, the shape of which is similar to that of a fan sector, so that the dynamic active type breathable film has the function of folding and stretching similar to that of the fan sector, one end of the dynamic active type breathable film 5 is taken as the center, and the other end of the dynamic active type breathable film is stretched, so that the area of heat dissipation and defogging is enlarged, the dynamic active type breathable film can be well applied to the defogging device, the structure is simple enough, the production and the assembly are very convenient, and the manufacturing cost is relatively low.
In this embodiment, the lower end of the connecting component 3 is provided with an inclined guiding surface 7, and the front end of the connecting component 3 is further provided with a limiting portion 8 for limiting the movable cover plate 2. Because the active heat dissipation defogging device of the invention needs to open the movable cover plate 2 when in use, the guiding surface 7 and the limiting part 8 in the embodiment can respectively play the roles of guiding and limiting when the movable cover plate 2 is opened, so that the movable cover plate 2 is positioned in a given station, and the whole device can be ensured to be used normally and stably.
In this embodiment, the connecting member 3 is disposed at the upper ends of the fixed bottom frame 1 and the movable cover 2, and the opening and closing member 6 is connected to the lower end of the movable cover 2. By adopting the structural setting of the embodiment, the weight distribution is more balanced, and the movable cover plate 2 can be opened by taking the upper end as the center, so that the movable cover plate is smoother and more reliable to use.
In this embodiment, the active heat dissipation demisting device further includes a resetting component for resetting the movable cover plate 2. Preferably, the reset component is a first reset spring 9, one end of the first reset spring 9 is fixed on the fixed bottom frame 1, and the other end is fixed on the movable cover plate 2. In another preferred structure, the opening and closing part 6 is a pull rod, the reset component is a second reset spring, the second reset spring is sleeved on the pull rod, one end of the second reset spring is connected with the movable cover plate 2, and the other end of the second reset spring is connected with the vehicle body. After the heat dissipation defogging is accomplished, break off the power component in the car for activity apron 2 is automatic to reset and is closed with fixed underframe 1 under reset assembly's effect, accomplishes the folding accomodating of dynamic active ventilated membrane 5 simultaneously.
The invention also provides a car lamp, which comprises a car lamp main body 10, wherein the car lamp main body 10 is provided with a mounting groove 11, and the active heat dissipation defogging device is arranged in the mounting groove 11. When the active heat dissipation and defogging device is assembled on the car lamp, the car lamp has more effective and lasting heat dissipation and defogging functions.
When the invention is used, the invention has two different states. When no or little mist is accumulated in the car lamp and normal use of the lamp light is not affected, the movable cover plate 2 is clung to the fixed bottom frame 1, the dynamic active ventilation film 5 is not opened, and the inside and the outside of the car lamp realize gas circulation through the static passive ventilation film 4. When the heat dissipation in the car lamp is not timely, excessive fog is gathered and the normal use of the light is influenced, a driver or a passenger can start a power assembly in the car, the opening and closing assembly is controlled to move, and the opening and closing assembly drives the movable cover plate 2 to move, so that the movable cover plate 2 is separated from the fixed bottom frame 1 and gaps are formed, meanwhile, the dynamic active type breathable film 5 stretches along with the movable cover plate 2 and fills the gaps, and at the moment, the dynamic active type breathable film 5 starts to work, so that the car lamp has a larger heat dissipation and defogging area, air flow inside and outside the car lamp is accelerated, and the gathered fog in the car lamp is rapidly removed.
Claims (2)
1. An active heat dissipation defogging device, comprising:
the demisting device comprises a demisting device shell, a demisting device body and a demisting device cover, wherein the demisting device shell comprises a fixed bottom frame and a movable cover plate, the fixed bottom frame is connected with the movable cover plate through a connecting part, and openings are formed in the fixed bottom frame and the movable cover plate;
the static passive breathable film is arranged on the movable cover plate and covers the opening on the movable cover plate;
The dynamic active breathable film has a telescopic function, is arranged between the fixed bottom frame and the movable cover plate and is respectively and hermetically connected with the fixed bottom frame and the movable cover plate;
one end of the opening and closing component is connected with the movable cover plate, and the other end of the opening and closing component is connected with a power component in the vehicle;
starting a power assembly in the vehicle and driving the movable cover plate to open, wherein the movable cover plate drives the dynamic active type breathable film to stretch, so that the dynamic active type breathable film is fully distributed at a gap between the movable cover plate and the fixed bottom frame, and the active heat dissipation and defogging device has a larger heat dissipation and defogging area;
The dynamic active type breathable film is in a fan shape of a folding fan, and the dynamic active type breathable film is respectively and hermetically connected to the edges of the fixed bottom frame and the movable cover plate;
the lower end of the connecting part is provided with an inclined guide surface, and the front end of the connecting part is also provided with a limiting part downwards for limiting the movable cover plate;
The connecting part is arranged at the upper ends of the fixed bottom frame and the movable cover plate, and the opening and closing part is connected at the lower end of the movable cover plate;
the active heat dissipation defogging device also comprises a reset component for resetting the movable cover plate, wherein the reset component is a first reset spring, one end of the first reset spring is fixed on the fixed bottom frame, and the other end of the first reset spring is fixed on the movable cover plate;
The opening and closing part is a pull rod, the reset component is a second reset spring, the second reset spring is sleeved on the pull rod, one end of the second reset spring is connected with the movable cover plate, and the other end of the second reset spring is connected with the vehicle body.
2. A vehicle lamp, comprising a vehicle lamp main body, characterized in that: the car lamp main body is provided with a mounting groove, and the active heat dissipation defogging device as claimed in claim 1 is arranged in the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551700.2A CN110186011B (en) | 2019-06-25 | 2019-06-25 | Active heat dissipation defogging device and car light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551700.2A CN110186011B (en) | 2019-06-25 | 2019-06-25 | Active heat dissipation defogging device and car light |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110186011A CN110186011A (en) | 2019-08-30 |
| CN110186011B true CN110186011B (en) | 2024-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910551700.2A Active CN110186011B (en) | 2019-06-25 | 2019-06-25 | Active heat dissipation defogging device and car light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110186011B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792990A (en) * | 2019-11-12 | 2020-02-14 | 合肥长安汽车有限公司 | Forced demisting device for automobile headlamp |
| CN113464899A (en) * | 2021-07-13 | 2021-10-01 | 长春一汽富维海拉车灯有限公司 | Novel car light defogging structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209839967U (en) * | 2019-06-25 | 2019-12-24 | 浙江亮心汽车部件有限公司 | Initiative heat dissipation defogging device and car light |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5519352B2 (en) * | 2010-03-19 | 2014-06-11 | 日東電工株式会社 | Ventilation member and manufacturing method thereof |
| JP5684634B2 (en) * | 2010-04-09 | 2015-03-18 | 日東電工株式会社 | Ventilation member |
| CN203810243U (en) * | 2014-04-22 | 2014-09-03 | 常州市泛亚汽车饰件有限公司 | Buckling type breathable film assembly for car lamp |
| KR20160050278A (en) * | 2014-10-29 | 2016-05-11 | 에스엘 주식회사 | A lamp apparatus for vehicles |
| CN207889679U (en) * | 2018-02-27 | 2018-09-21 | 上汽大众汽车有限公司 | Headlight and its fog cancellation element |
| CN208997958U (en) * | 2018-06-05 | 2019-06-18 | 江苏泛亚微透科技股份有限公司 | Lamp rear cover with valve structure |
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- 2019-06-25 CN CN201910551700.2A patent/CN110186011B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209839967U (en) * | 2019-06-25 | 2019-12-24 | 浙江亮心汽车部件有限公司 | Initiative heat dissipation defogging device and car light |
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| Publication number | Publication date |
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| CN110186011A (en) | 2019-08-30 |
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