CN204296570U - The laser Rear Fog Lamp of combined tail lamp - Google Patents
The laser Rear Fog Lamp of combined tail lamp Download PDFInfo
- Publication number
- CN204296570U CN204296570U CN201420794832.0U CN201420794832U CN204296570U CN 204296570 U CN204296570 U CN 204296570U CN 201420794832 U CN201420794832 U CN 201420794832U CN 204296570 U CN204296570 U CN 204296570U
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- longitudinal
- refractor
- laser
- drive circuit
- resistance
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Abstract
The utility model relates to a kind of laser Rear Fog Lamp of combined tail lamp, comprise lamp body and be arranged on the laser aid that lamp body is positioned at fog lamp region, laser aid comprises radiator and the photophore installed on a heat sink and drive circuit board, and photophore and drive circuit board are arranged on the both sides of radiator; The infrared laser array that photophore comprises housing, more than three infrared laser chips are formed and longitudinal refractor and lateral refraction lens, longitudinal refractor to be arranged in housing and to be positioned at the front portion of infrared laser chip, longitudinal refractor there is outer convex globoidal, the lateral refraction lens being arranged on housing front portion are positioned at the front portion of longitudinal refractor, are cancave cambered surface inside longitudinal refractor.The utility model is eye-catching in misty rain sky, the red laser that the light penetration power sent is strong, has better warning function, through ensureing traffic safety.
Description
Technical field
The utility model relates to a kind of laser Rear Fog Lamp of combined tail lamp, belongs to automotive lamp technical field.
Background technology
Dense fog is one of arch-criminal caused a serious accident, if can point out rear car in time at travelling in fog day, effectively can reduce the generation of rear-end collision.Tradition Rear Fog Lamp generally adopts halogen light source or LED light source, is no matter that the ability of halogen light source or its penetration power misty rain of LED light source is all much weak than the red laser of narrow spectrum, high directivity.Moreover the equal spot light of light beam that existing traditional fog lamp and LED fog lamp appear, because visible surface is little, so weaken the fog lamp function eye-catching in misty rain sky.
Summary of the invention
The purpose of this utility model is to provide a kind of laser Rear Fog Lamp of combined tail lamp, the red laser that light penetration power that is eye-catching in misty rain sky, that send is strong, has better warning function, to ensure traffic safety.
The utility model is the technical scheme achieved the above object: a kind of laser Rear Fog Lamp of combined tail lamp, it is characterized in that: comprise lamp body and be arranged on the laser aid that lamp body is positioned at fog lamp region, described laser aid comprises radiator and the photophore installed on a heat sink and drive circuit board, drive circuit on drive circuit board is for driving photophore work, and photophore and drive circuit board are arranged on the both sides of radiator, described photophore comprises housing, the infrared laser array that more than three infrared laser chips are formed and longitudinal refractor and lateral refraction lens, the infrared laser chip place be arranged in housing is also provided with thermistor, longitudinal refractor to be arranged in housing and to be positioned at the front portion of infrared laser chip, described longitudinal refractor has outer convex globoidal and the upper and lower deviation of red laser light beam for infrared laser array being sent forms longitudinal angle at the red laser light beam of 10 ° ± 1 °, the lateral refraction lens being arranged on housing front portion are positioned at the front portion of longitudinal refractor, inside described longitudinal refractor for cancave cambered surface and for by longitudinal refractor through red laser light beam left and right deviation and formed lateral angle 20 ° ± 1 ° red laser light beam injection, wherein emitted red laser light beam is downward-sloping and crossing with ground.
Wherein: described housing comprises upper shell and lower house, longitudinal refractor and lateral refraction lens to be arranged on lower house and to be fixed by upper shell pressing.
Described drive circuit comprises the input terminal voltage filter circuit connected successively, comparator and amplifying circuit, described input terminal voltage filter circuit comprises electric capacity C1 in parallel and resistance R1, the input of input terminal voltage filter circuit is connected with vehicle power supply, described comparator comprises comparable chip U1 and peripheral circuit thereof, the voltage input end of the output termination comparable chip U1 of input terminal voltage filter circuit, described amplifying circuit comprises metal-oxide-semiconductor M1 and M2 and resistance R5, R6, R7, R8 and R9 and operational amplifier U2, the grid level of the output termination metal-oxide-semiconductor M1 of comparator, drain electrode one tunnel of metal-oxide-semiconductor M1 connects the inverting input of operational amplifier U2 through electricity group R6, another road connects the negative supply input of operational amplifier U2 through resistance R5, the source electrode of metal-oxide-semiconductor M1 is through resistance R7, thermistor R8 is connected with resistance R6, the drain electrode of metal-oxide-semiconductor M2 meets thermistor R8, the source electrode of metal-oxide-semiconductor M2 is leaded up to resistance R10 through resistance R9 and is connect the normal phase input end of operational amplifier U2, another road connects the positive supply input of operational amplifier U2, the output termination infrared laser chip of operational amplifier U2.
The utility model adopts infrared laser array as light source, red laser light beam is through the red laser light beam of longitudinal refractor formation longitudinal angle at 10 ° ± 1 °, again through lateral refraction lens, make red laser light beam left and right deviation and formed lateral angle 20 ° ± 1 ° red laser light beam injection and crossing with ground, on the basis that satisfy regulatory requires, the visible surface of warning is large, only good directionality.The utility model adopt red laser can in diffraction air oarse-grained ability strong, therefore farther distance can be penetrated under blind environment, there is good penetration performance, have better warning function, ensure traffic safety.The utility model laser adopts infrared laser chip, and red laser is monochromatic source, its breadth of spectrum line is narrow, penetration capacity Relatively centralized, ratio between its laser brightness and sunlight is 1,000,000 grades, and therefore power density is large, fast response time, especially red laser light beam is downward-sloping crossing with ground, therefore can not damage human body.The utility model laser Rear Fog Lamp can become the light of the triangle to an inclination warning sign in misty rain sky, can have stronger warning function to front vehicle.The utility model drive circuit adopts vehicle power supply; vehicle power supply is after input terminal voltage filtering; voltage compare and voltage stabilizing is carried out by comparator; by stable voltage through amplifying circuit; produce required voltage-stabilized power supply and drive infrared laser chip operation; infrared laser can normally be worked; especially the metal-oxide-semiconductor M1 of this drive circuit is connected with thermistor R8; when infrared laser chip temperature raises; by thermistor R8 change in resistance; the metal-oxide-semiconductor of metal-oxide-semiconductor M1 control M2 stops driving, and can play a protective role to infrared laser chip.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is the contour structures schematic diagram of the laser Rear Fog Lamp of the utility model combined tail lamp.
Fig. 2 is the structural representation of the utility model laser aid.
Fig. 3 is the structural representation of the utility model photophore.
Fig. 4 is the electrical schematic diagram of drive circuit of the present utility model.
Wherein: 1-lamp body, 1-1-fog lamp region, 2-radiator, 2-1-installed surface, 2-2-mounting groove, 3-drive circuit board, 4-wire, 5-photophore, 5-1-housing, 5-2-mount pad, 5-3-infrared laser chip, 5-4-longitudinal refractor, 5-5-lateral refraction lens.
Detailed description of the invention
See shown in Fig. 1 ~ 3, the laser Rear Fog Lamp of the utility model combined tail lamp, comprise lamp body 1 and be arranged on the laser aid that lamp body 1 is positioned at fog lamp region 1-1, combined tail lamp of the present utility model having steering indicating light, normal danger lamp and back-up lamp.
See shown in Fig. 2,3, laser aid comprises radiator 2 and the photophore 5 be arranged on radiator 2 and drive circuit board 3, drive circuit on drive circuit board 3 works for driving photophore 5, drive circuit on drive circuit board 3 is connected with vehicle power supply, provides stable working power by vehicle own power source through drive circuit to infrared laser chip 5-3.
See shown in Fig. 2,3, the utility model photophore 5 and drive circuit board 3 are arranged on the both sides of radiator 2 respectively, drive circuit board 3 is arranged on the installed surface 2-1 of radiator 2, and photophore 5 is arranged in the mounting groove 2-2 of radiator 2, because drive circuit board 3 and photophore 5 are disposed on radiator 2, the heat that the heat produced when being worked by drive circuit board 3 by radiator 2 and photophore 5 are produced when working is derived, and makes drive circuit and photophore 5 reliably working.As shown in Figure 3, photophore 5 of the present utility model comprises housing 5-1, the infrared laser array of more than three infrared laser chip 5-3 formations and longitudinal refractor 5-4 and lateral refraction lens 5-5, infrared laser array is arranged in housing 5-1 by mount pad 5-2, drive circuit is connected with infrared laser chip 5-3 by wire 4, the utility model is for play a protective role to infrared laser chip 5-3, also thermistor is installed at infrared laser chip 5-3 place, when the temperature increases because thermistor resistance increases, drive circuit is made not provide power supply to infrared laser chip 5-3, and play a protective role.
As shown in Figure 3, the utility model longitudinal refractor 5-4 be arranged on housing 5-1 is positioned at the front portion of infrared laser chip 5-3, longitudinal refractor 5-4 has outer convex globoidal and forms longitudinal angle at the red laser light beam of 10 ° ± 1 ° for the upper and lower deviation of red laser light beam infrared laser array sent, and lateral refraction lens 5-5 is arranged in housing 5-1 and be positioned at the front portion of longitudinal refractor 5-4, inside this longitudinal refractor 5-4 for cancave cambered surface be used for by longitudinal refractor 5-4 through red laser light beam left and right deviation and formed lateral angle 20 ° ± 1 ° red laser light beam injection, red laser light beam has a down dip and crossing with ground, the light of the triangle to an inclination warning sign can be become in misty rain sky, stronger warning function is had to front vehicle.
As shown in Figure 3, housing 5-1 of the present utility model comprises upper shell and lower house, and longitudinal refractor 5-4 and lateral refraction lens 5-5 to be arranged on lower house and to be fixed by upper shell pressing.
As shown in Figure 4, drive circuit of the present utility model comprises the input terminal voltage filter circuit, comparator and the amplifying circuit that connect successively.Input terminal voltage filter circuit of the present utility model comprises and the electric capacity C1 connect and resistance R1, the input of input terminal voltage filter circuit is connected with vehicle power supply, comparator comprises comparable chip U1 and peripheral circuit thereof, as shown in Figure 4, comparable chip U1 peripheral circuit of the present utility model comprises the electric capacity C3 be connected on comparable chip U1 between COMP end and ground, C4 and resistance R2, the voltage input end of comparable chip U1 and VCC hold and be connected to electric capacity C2 between ground, comparable chip U1 voltage output end and OUT hold and be connected to diode D1 and electric capacity C5 between ground, and inductance L 1 is connected between diode D1 and electric capacity C5, comparable chip U1 voltage output end and OUT hold and be connected to resistance R3 and R4 between ground, and the node of resistance R3 with R4 is held with the FB of comparable chip U1 and is connected, the VREF end of comparable chip U1 is held to be connected with OUT and is fed back with coating-forming voltage, the utility model can adopt L5973D chip or other comparable chip.
As shown in Figure 4, the voltage input end of the output termination comparable chip U1 of the utility model input terminal voltage filter circuit, amplifying circuit comprises metal-oxide-semiconductor M1 and M2 and resistance R5, R6, R7, R8 and R9 and operational amplifier U2, the grid level of the output termination metal-oxide-semiconductor M1 of comparator, drain electrode one tunnel of metal-oxide-semiconductor M1 connects the inverting input of operational amplifier U2 through electricity group R6, another road connects the negative supply input of operational amplifier U2 through resistance R5, the source electrode of metal-oxide-semiconductor M1 is through resistance R7, thermistor R8 is connected with resistance R6, the drain electrode of metal-oxide-semiconductor M2 meets thermistor R8, the source electrode of metal-oxide-semiconductor M2 is leaded up to resistance R10 through resistance R9 and is connect the normal phase input end of operational amplifier U2, another road connects the positive supply input of operational amplifier U2, the output termination infrared laser chip 5-3 of operational amplifier U2.Operational amplifier U2 of the present utility model can adopt LM732 chip.The utility model can adopt vehicle power supply power source to be 13.5V, after the filtering of input terminal voltage filter circuit, step-down after voltage compare is carried out by comparator, by relatively rear voltage through amplifying circuit, the voltage-stabilized power supply producing 5V drives infrared laser chip 5-3 to work, and infrared laser chip is normally worked.Metal-oxide-semiconductor M1 of the present utility model is connected with thermistor R8, when temperature raises, thermistor R8 resistance is increased, by the on-off action of metal-oxide-semiconductor M1, the metal-oxide-semiconductor of metal-oxide-semiconductor M1 control M2 is turned off, plays a protective role to infrared laser chip.
See Fig. 1, shown in 2, during the using method of the laser Rear Fog Lamp of the utility model combined tail lamp, when drive circuit is to infrared laser chip 5-3 supply source, the red laser light beam that infrared laser array sends forms longitudinal angle after the red laser light beam of 10 ° ± 1 ° through the upper and lower deviation of longitudinal refractor 5-4, produced lateral angle again to penetrate from the fog lamp region 1-1 of combined tail lamp at the red laser light beam of 20 ° ± 1 ° by lateral refraction lens about 5-5 deviation, red laser light beam has a down dip and at 10 ± 0.5 meters of formation triangle to the inclination light warning sign with front portion, ground.
Claims (3)
1. the laser Rear Fog Lamp of a combined tail lamp, it is characterized in that: comprise lamp body (1) and be arranged on the laser aid that lamp body (1) is positioned at fog lamp region (1-1), described laser aid comprises radiator (2) and the photophore (5) that is arranged on radiator (2) and drive circuit board (3), drive circuit on drive circuit board (3) works for driving photophore (5), and photophore (5) and drive circuit board (3) are arranged on the both sides of radiator (2); described photophore (5) comprises housing (5-1), the infrared laser array that more than three infrared laser chips (5-3) are formed and longitudinal refractor (5-4) and lateral refraction lens (5-5), infrared laser chip (5-3) place be arranged in housing (5-1) is also provided with thermistor, longitudinal refractor (5-4) to be arranged in housing (5-1) and to be positioned at the front portion of infrared laser chip (5-3), described longitudinal refractor (5-4) has outer convex globoidal and the upper and lower deviation of red laser light beam for infrared laser array being sent forms longitudinal angle at the red laser light beam of 10 ° ± 1 °, be arranged on the front portion that the anterior lateral refraction lens (5-5) of housing (5-1) are positioned at longitudinal refractor (5-4), described longitudinal refractor (5-4) inner side for cancave cambered surface and for by longitudinal refractor (5-4) through red laser light beam left and right deviation and form lateral angle at the red laser light beam of 20 ° ± 1 ° and penetrate, wherein emitted red laser light beam is downward-sloping and crossing with ground.
2. the laser Rear Fog Lamp of combined tail lamp according to claim 1, it is characterized in that, described housing (5-1) comprises upper shell and lower house, and longitudinal refractor (5-4) and lateral refraction lens (5-5) to be arranged on lower house and to be fixed by upper shell pressing.
3. the laser Rear Fog Lamp of combined tail lamp according to claim 1, it is characterized in that: the drive circuit on described drive circuit board (3) comprises the input terminal voltage filter circuit connected successively, comparator and amplifying circuit, described input terminal voltage filter circuit comprises electric capacity C1 in parallel and resistance R1, the input of input terminal voltage filter circuit is connected with vehicle power supply, described comparator comprises comparable chip U1 and peripheral circuit thereof, the voltage input end of the output termination comparable chip U1 of input terminal voltage filter circuit, described amplifying circuit comprises metal-oxide-semiconductor M1 and M2 and resistance R5, R6, R7, R8 and R9 and operational amplifier U2, the grid level of the output termination metal-oxide-semiconductor M1 of comparator, drain electrode one tunnel of metal-oxide-semiconductor M1 connects the inverting input of operational amplifier U2 through electricity group R6, another road connects the negative supply input of operational amplifier U2 through resistance R5, the source electrode of metal-oxide-semiconductor M1 is through resistance R7, thermistor R8 is connected with resistance R6, the drain electrode of metal-oxide-semiconductor M2 meets thermistor R8, the source electrode of metal-oxide-semiconductor M2 is leaded up to resistance R10 through resistance R9 and is connect the normal phase input end of operational amplifier U2, another road connects the positive supply input of operational amplifier U2, the output termination infrared laser chip of operational amplifier U2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420794832.0U CN204296570U (en) | 2014-12-15 | 2014-12-15 | The laser Rear Fog Lamp of combined tail lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420794832.0U CN204296570U (en) | 2014-12-15 | 2014-12-15 | The laser Rear Fog Lamp of combined tail lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204296570U true CN204296570U (en) | 2015-04-29 |
Family
ID=53102140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420794832.0U Withdrawn - After Issue CN204296570U (en) | 2014-12-15 | 2014-12-15 | The laser Rear Fog Lamp of combined tail lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204296570U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774639A (en) * | 2014-12-15 | 2016-07-20 | 常州星宇车灯股份有限公司 | Laser rear fog lamp of combined taillight and use method for same |
| CN107448869A (en) * | 2017-07-31 | 2017-12-08 | 太仓市普利照明电器有限公司 | One kind enhancing penetrates front fog lamp of automobile structure |
-
2014
- 2014-12-15 CN CN201420794832.0U patent/CN204296570U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774639A (en) * | 2014-12-15 | 2016-07-20 | 常州星宇车灯股份有限公司 | Laser rear fog lamp of combined taillight and use method for same |
| CN105774639B (en) * | 2014-12-15 | 2017-12-01 | 常州星宇车灯股份有限公司 | The laser Rear Fog Lamp and its application method of combined tail lamp |
| CN107448869A (en) * | 2017-07-31 | 2017-12-08 | 太仓市普利照明电器有限公司 | One kind enhancing penetrates front fog lamp of automobile structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150429 Effective date of abandoning: 20171201 |
|
| AV01 | Patent right actively abandoned |