CN207729501U - A kind of cooling of car headlamp, antifog system and the lamp system vehicle - Google Patents
A kind of cooling of car headlamp, antifog system and the lamp system vehicle Download PDFInfo
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- CN207729501U CN207729501U CN201721345979.1U CN201721345979U CN207729501U CN 207729501 U CN207729501 U CN 207729501U CN 201721345979 U CN201721345979 U CN 201721345979U CN 207729501 U CN207729501 U CN 207729501U
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- air pump
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Abstract
The utility model is related to a kind of cooling of car headlamp, the vehicle of antifog system and the lamp system, including light bulb, mask and shells, further include：The side wall of shell is equipped with several air holes, and Kong Zhongshe breathes freely cotton；Air pump；And circuit control panel, there is power supply, temperature sensor and MCU, the first threshold values T1, the second threshold values T2 are set in preset program, using flow control as follows：1) judge whether lighting switch is in the open position, if so, entering in next step；If otherwise closing air pump；2) whether vehicle interior temperature is higher than first threshold T1；If so, entering in next step；If not, into the 4) step；3) air pump is opened, into next step；4) whether vehicle interior temperature is less than first threshold T2；If so, close air pump, the 1) step is reentered.Gas can circulate in real time inside and outside the utility model lamp, fundamentally solve the problems, such as to haze in lamp；And the temperature in lamp is reduced, the service life of spare and accessory parts is improved.
Description
Technical field
The present invention relates to a kind of technical field of vehicle, more particularly, to a kind of cooling of car headlamp, antifog system and are somebody's turn to do
The vehicle of lamp system.
Background technology
Car headlamp is the indispensable part of car electrics parts, is the safety during vehicle going at night
It ensures.After headlight opens a period of time, temperature increases in lamp, and lamp external temperature is relatively low, then lamp is inside and outside forms certain temperature
Difference causes the aqueous vapor in headlamp inner air in mask condensed on inner walls mist formation.And the water mist formed on headlamp mask, shadow
The irradiation distance of headlamp light is rung, road at night time visibility shortens, and security risk is brought to driver.If in lamp
Fog condenses into droplet drippage, flows on circuit board, circuit can be caused to damage, causes headlamp failure.Temperature is higher in lamp, adds
The speed aging of parts.
The moisture to haze in lamp is exactly mainly the aqueous vapor in air in cavity.The design of traditional headlamp has all been carried out from close
It seals, hydrone can not be discharged by gas permeable devices in headlamp.When headlamp internal-external temperature difference is larger, aqueous vapor is just coagulated in lamp
Form droplet and is attached to headlamp inner surface.When the temperature difference is smaller, and can vaporize.Therefore, the problem of hazing long-term existence.
Light bulb or LED lamp bead in lamp generate a large amount of heat when lighting, and heat accumulates in lamp, make zero of headlamp
Part aging aggravates, and the service life of light bulb or LED lamp bead reduces.
Current existing antifog technology has：
1. being surface-treated on headlamp mask inner face, antifog paint is sprayed, to realize antifog function.And at present big
Partial antifog paint can only ensure 2 years terms of validity, and antifog paint is antifog ineffective after 2 years.
2. opening air hole on headlamp shell, ventilative membrane filtration air is used.Although hydrone cannot enter headlamp
It is interior, but the hydrone in headlamp also goes out not going.Therefore, headlamp inner cavity Central Plains has the hydrone in air still can be continuous
Cycle is condensed mist formation.
3. placing drier in headlamp, but drier water absorption is limited, being easy failure and can not replacing.
4. adding reversed check valve on headlamp shell.Check valve is mainly opened using the draught head inside and outside headlamp
Open, and only when draught head reach a certain degree when could open, therefore it is a certain when inscribe the list that can only open a direction
To valve, and when check valve is not opened, headlamp belongs to sealing state, thus do not accomplish outside air in lamp air it is real-time
Circulation.Meanwhile when the elastomer in check valve is tired or failure, check valve can not work.
Have at present for the heat dissipation technology of LED lamp bead：
1. the LED lamp bead back side increase finned radiator, but finned radiator heat dissipation effect be unable to reach it is high-power
The heat dissipation effect that LED lamp bead requires.
2. increasing finned radiator at the LED lamp bead back side, fan is installed on fin, is cooled down to fin by fan.But
It is the temperature taken away from fin of fan still in the closed cavity of headlamp, although the temperature of LED lamp bead is made to control at it
In the warm range of section, but the temperature of whole lamp is still in the condition of high temperature.
Invention content
The main purpose of the present invention is to provide a kind of cooling of car headlamp, antifog systems, efficiently solve in lamp and haze
The problem of, and reduce the temperature in lamp.
Another object of the present invention is to provide a kind of automobile, and headlamp is not easy to haze in lamp, improves the safety of vehicle
Energy.
The above-mentioned technical problem of the present invention is mainly to be addressed by following technical proposals：A kind of car headlamp drop
Temperature, antifog system, including light bulb, mask and shell；Further include：
The side wall of the shell is equipped with several air holes, in hole setting filtering material make for hydrone into
Go out the ventilative cotton of shell；
Air pump, be set to the enclosure interior, by shell gas be discharged or will be in extraneous air suction casing；
And circuit control panel, the temperature sensor and MCU that there is the power supply for air pump power supply, detect temperature in lamp, CPU
The preset program being stored in ROM is executed, each control action is executed；First threshold T1, second threshold are set in preset program
T2, using flow control as follows：
1) judge whether lighting switch is in the open position, if so, entering in next step；If otherwise closing air pump；
2) whether vehicle interior temperature is higher than first threshold T1；If so, entering in next step；If not, into the 4) step；
3) air pump is opened, into next step；
4) whether vehicle interior temperature is less than first threshold T2；If so, close air pump, the 1) step is reentered.
A kind of vehicle, the vehicle use the headlamp of above system；Using the headlamp of the system, it is not easy to rise in lamp
Mist, and the temperature in lamp is low, and easy break-down, service life is not long, improves the security performance of vehicle.
Through the above technical solutions, a kind of car headlamp cooling of the present invention, antifog system have the advantages that：Lamp
Inside and outside gas can circulate in real time, while hydrone can pass in and out, and avoid the disadvantage that aqueous vapor is trapped in lamp by ventilated membrane.Gas
Reasonable employment is pumped, air pump service efficiency and service life can be improved, be especially reduction of the inside and outside temperature difference of headlamp, from basic
On solve the problems, such as to haze in lamp；And the temperature in lamp is reduced, the service life of spare and accessory parts is improved.
Description of the drawings
Attached drawing 1 is a kind of structural schematic diagram of the present invention.
Attached drawing 2 is a kind of attachment structure schematic diagram of air pump.
Attached drawing 3 is a kind of structural schematic diagram that air pump is vented to outside shell.
Attached drawing 4 is a kind of structural schematic diagram of air pump air-breathing into shell.
Attached drawing 5 is the control flow chart of air pump.
Wherein：1, mask；2, shell；3, ventilative cotton；4, air pump；5, circuit control panel；6, light bulb；2-1、2-2、2-3：Thoroughly
Stomata；4-1、4-2：Venthole；4-3, power supply；4-4, electric wire.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1：A kind of car headlamp cooling of the present invention, antifog system, as shown in attached drawing 1, attached drawing 2 comprising lamp
Bubble 6, mask 1, shell 2, air pump 4 and circuit control panel 5.
Air pump 4 be set to the shell 2 inside, by shell gas be discharged or will be in extraneous air suction casing.Gas
Pump 4 is arranged far from the corner of 2 bottom end of shell of 1 side of mask；Corner structure intensity is big, not only fixes air pump more firm, but also
Air pump and external gas transport path are reduced, the working efficiency of air pump is improved.
The side wall of shell 2 is equipped with several air holes 2-1,2-2,2-3, and supplying water for filtering material making is arranged in hole
Molecule passes in and out the ventilative cotton 3 of shell 2.Air hole is in uneven distribution on 2 side wall of shell；Wherein, far from 4 side of the air pump
The setting of 2 side wall of shell air hole, more than the air hole of neighbouring 4 side of the air pump；This distribution, the gas in shell can
Heat exchange more quickly is more efficiently flowed, and conducive to the heat taken away in shell in each region, LED lamp bead is made to cool down.
1 bottom end of mask sets annular bar, the glue groove of 2 front end face of shell setting annular, and annular bar is caught in glue groove, and in glue groove
Gluing carries out adhesive seal；Convenient for assembly, bonding strength is high, and favorable sealing property avoids the entrance of dust, hydrone.
Circuit control panel 5, the temperature sensor and MCU for having the power supply for air pump power supply, detecting temperature in lamp, CPU are held
Row is stored in the preset program in ROM, executes each control action；First threshold T1, second threshold T2 are set in preset program,
After car light is in running order, when temperature is higher than first threshold T1 in lamp, air pump 4 is opened, when temperature reaches second threshold in lamp
T2 is hereinafter, air pump 4 is closed；Specifically, flow control as follows is used to air pump 4：
1) judge whether lighting switch is in the open position, if so, entering in next step；If otherwise closing air pump 4；
2) whether vehicle interior temperature is higher than first threshold T1；If so, entering in next step；If not, into the 4th step；
3) air pump 4 is opened, into next step；
4) whether vehicle interior temperature is less than first threshold T2；If so, close air pump 4, the 1) step is reentered.
Spirit to facilitate the understanding of the present invention is described in further detail technical scheme of the present invention as follows.
A kind of headlamp cooling of the present invention, antifog system include mainly 1 shell 2 of mask, ventilative cotton 3, air pump 4,
Circuit control panel 5, light bulb 6 etc..Mask 1 passes through the gluing progress adhesive seal in glue groove with shell 2；There are several on shell 2
Air hole 2-1,2-2,2-3；Ventilative cotton 3 is placed at air hole, plays a part of to filter dust and foreign matter；There are two on air pump 4
Venthole：Venthole 4-1 is air inlet, and venthole 4-2 is venthole；Circuit control panel 5 is located at the side of air pump 4, passes through electricity
Line 4-4 connections, realize the connection of circuit, can control opening time and the working frequency of air pump；Light bulb 6 is fixed according to light distribution requirements
On the rational position of 2 inside of shell.
Circuit control panel 5 is with lower structure：Air pump power supply provides power supply for air pump running, and temperature sensor detects in lamp
Temperature, MCU (microcontroller)/CPU executes the various programs being stored in ROM to execute various control process.Pass through detection
Temperature in lamp, circuit board MCU (microcontroller)/CPU programs feed back the switching programme control to air pump.
The control of air pump is as follows referring to the control flow chart of attached air pump shown in fig. 5：
Step S1, control circuit board judge that headlamp is open position.
Then step S2, it is more than first threshold (T1) that control circuit board, which detects temperature in lamp,.
Then step S5, air pump are opened, are started to taking a breath in lamp.
Also, step S3, control circuit board detects temperature in lamp and is less than second threshold (T2).
Then step S4 closes air pump, takes a breath in stopping light.
In addition, air pump is equipped with different schemes, it, can be by the antifog cooling system of the headlamp point according to mounting means difference
For scheme one and scheme two, as shown in attached drawing 3, attached drawing 4.In scheme one, venthole 4-1 is communicated with lamp inner air, venthole
4-2 is communicated with lamp extraneous air.When air pump is opened, air pump sucks the air around venthole 4-1 in air pump, and passes through ventilation
Hole 4-2 is transmitted to headlamp hull outside, and air pump ambient air pressure declines, and headlamp extraneous air is entered by the air hole
Inside headlamp, to realize the air circulation inside and outside headlamp.Second scheme is venthole 4-1 and lamp extraneous air phase
Logical, venthole 4-2 is communicated with lamp inner air.Venthole 4-1 sucks air from outside, and will be empty by air pump venthole 4-2
Gas is transmitted in lamp, and pressure becomes larger in lamp, then air will flow out headlamp by the air hole on shell 2, to realize
Air circulation inside and outside lamp.The circulation of air is reduced since light bulb shines the raised temperature of institute for a long time in headlamp,
The aqueous vapor in air is prevented to be condensed in because of lamp inside and outside temperature difference on 1 inside of mask.
Through the above technical solutions, air pump is placed in inside headlamp by the present invention, air pump is connected by tracheae outside headlamp
Portion；It is provided with several air holes on headlamp shell, shell air hole is open state, and gas can be real inside and outside lamp
When circulate.Filtering material is done using ventilative cotton on air hole, hydrone can pass in and out, and avoid ventilated membrane and aqueous vapor is trapped in lamp
Interior disadvantage.For reasonable employment air pump, air pump service efficiency and service life are improved, when temperature is higher than first threshold T1 in lamp, gas
Pump is opened；When temperature reaches second threshold T2 hereinafter, air pump is closed in lamp.By the opening and closing of air pump, to reduce
The inside and outside temperature difference of headlamp；The temperature difference inside and outside lamp is reduced fundamentally to solve the problems, such as to haze in lamp；Reduce lamp
Interior temperature improves the service life of spare and accessory parts.The configuration of the present invention is simple, securely and reliably, service life are long.
Embodiment 2：A kind of vehicle, the vehicle use the headlamp of system as described in Example 1.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or using similar
Mode substitute, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (5)
1. a kind of car headlamp cooling, antifog system, including light bulb (6), mask (1) and shell (2), it is characterised in that：
The side wall of the shell (2) is equipped with several air holes (2-1,2-2,2-3), is arranged what filtering material made in hole
For the ventilative cotton (3) of hydrone disengaging shell (2)；
Air pump (4) is set to described shell (2) bottom inside, by gas discharge in shell or by extraneous air suction casing
It is interior；
And circuit control panel (5), the temperature sensor and MCU that there is the power supply for air pump power supply, detect temperature in lamp, CPU
The preset program being stored in ROM is executed, each control action is executed.
2. a kind of car headlamp cooling according to claim 1, antifog system, it is characterised in that：The air pump (4) sets
Set the corner in shell (2) bottom end far from mask (1) side.
3. a kind of car headlamp cooling according to claim 2, antifog system, it is characterised in that：The air hole tool
Have ventilative cotton（3）The lid being compressed in hole；Air hole is in uneven distribution on shell (2) side wall；Wherein, far from described
The air hole of shell (2) side wall setting of air pump (4) side, more than the air hole of the neighbouring air pump (4) side.
4. a kind of car headlamp cooling according to claim 1 or 2 or 3, antifog system, it is characterised in that：Described
Mask (1) bottom end sets annular bar, the glue groove of the shell (2) front end face setting annular, and annular bar is caught in glue groove, and in glue groove
Middle gluing carries out adhesive seal.
5. a kind of vehicle, it is characterised in that：The vehicle uses the headlamp of the system as described in claim 1-4 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721345979.1U CN207729501U (en) | 2017-10-18 | 2017-10-18 | A kind of cooling of car headlamp, antifog system and the lamp system vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721345979.1U CN207729501U (en) | 2017-10-18 | 2017-10-18 | A kind of cooling of car headlamp, antifog system and the lamp system vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207729501U true CN207729501U (en) | 2018-08-14 |
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ID=63090923
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721345979.1U Active CN207729501U (en) | 2017-10-18 | 2017-10-18 | A kind of cooling of car headlamp, antifog system and the lamp system vehicle |
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| CN (1) | CN207729501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114162081A (en) * | 2021-12-09 | 2022-03-11 | 东风汽车有限公司东风日产乘用车公司 | Control method, anti-fogging structure and control device for preventing vehicle lamp from freezing and fogging |
-
2017
- 2017-10-18 CN CN201721345979.1U patent/CN207729501U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114162081A (en) * | 2021-12-09 | 2022-03-11 | 东风汽车有限公司东风日产乘用车公司 | Control method, anti-fogging structure and control device for preventing vehicle lamp from freezing and fogging |
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| CP01 | Change in the name or title of a patent holder |
Address after: 6 / F, Xintu building, 451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province, 310051 Patentee after: Zhejiang Zero run Technology Co.,Ltd. Address before: 6 / F, Xintu building, 451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province, 310051 Patentee before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |