CN107985183A - Electric automobile fog lamp fault secure circuit - Google Patents
Electric automobile fog lamp fault secure circuit Download PDFInfo
- Publication number
- CN107985183A CN107985183A CN201711110364.5A CN201711110364A CN107985183A CN 107985183 A CN107985183 A CN 107985183A CN 201711110364 A CN201711110364 A CN 201711110364A CN 107985183 A CN107985183 A CN 107985183A
- Authority
- CN
- China
- Prior art keywords
- fog lamp
- circuit
- electric automobile
- protection circuit
- brake switch
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/18—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights being additional front lights
- B60Q1/20—Fog lights
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
- H05B47/29—Circuits providing for substitution of the light source in case of its failure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention discloses a kind of electric automobile fog lamp fault secure circuit, including power supply, brake switch, the fog lamp being sequentially connected in series, voltage comparator circuit is set between brake switch and fog lamp；The fog lamp and protection circuit in parallel.The configuration of the present invention is simple, by the way that by fog lamp and protection circuit in parallel, the LED light that protection circuit can be connected in the case where fog lamp is damaged cisco unity malfunction serves as standby lighting, it is ensured that vehicle driving safety.
Description
Technical field
The present invention relates to a kind of automobile protection circuit, especially a kind of electric automobile fog lamp fault secure circuit.
Background technology
It is well known that fog lamp is one of mostly important signal lamp of automobile, it is closely related safely with vehicle driving.One
Denier fog lamp breaks down, and driver is not noticeable, often because emergency processing triggers the traffic accident for collision of knocking into the back not in time.
At present, all kinds of visitors, lorry and most cars lack fog lamp failure effectively monitoring, with Domestic Automotive Industry
Rapid development and car ownership greatly improve, rear-end collision traffic accident takes place frequently, cause substantial amounts of casualties and
Property loss, the security performance of automobile and related prevention device are increasingly subject to people's attention.In order to improve the safety of vehicle traveling
Property, some automakers are mounted with brake indicator lamp on instrument board, but are only able to display brake line and fog lamp switch
It is good whether, it is impossible to comprehensively and objectively reflect fog lamp working condition, even if occur fog lamp bad earth, light bulb damage
The failures such as bad or line end open circuit cause one or both sides fog lamp not lighted, and fog lamp is lighted as usual.At present, some cars
The fog lamp failure warning system that type uses is complicated, and is vulnerable to electromagnetic interference, and functional reliability is poor；Also some vehicles make
With reed switch formula fog lamp failure alarm circuit, the failure that can only occur to side fog lamp is alarmed, and to the event of both sides fog lamp
Barrier can not but alarm, and hidden danger has been buried for safe driving.Therefore, in order to reduce and prevent rear-ended car accident, very
It is necessary to design a kind of automobile fog light accident warning device easy to use, dependable performance.
The content of the invention
Goal of the invention：In view of the above-mentioned problems, it is an object of the invention to provide one kind to send police when fog lamp breaks down
Report and the electric automobile fog lamp protection circuit of standby lighting is provided.
Technical solution：In order to solve problem above, the present invention provides a kind of electric automobile fog lamp fault secure circuit, including
Power supply, brake switch, the fog lamp being sequentially connected in series, set voltage comparator circuit between brake switch and fog lamp；The fog lamp and protection
Circuit in parallel.The configuration of the present invention is simple, by that by fog lamp and protection circuit in parallel, can be damaged cisco unity malfunction in fog lamp
In the case of connect protection circuit LED light serve as standby lighting, it is ensured that vehicle driving safety.
The voltage comparator circuit is operational amplifier LM358.
The voltage protection circuit is connected by relay respectively at fog lamp and protection circuit.
The protection circuit is the protective resistance and LED light being sequentially connected in series.
Voltage comparator circuit is also connected by resistance with warning light.
Fuse is set between the power supply and brake switch.
Beneficial effect：Compared with prior art, the present invention has the following advantages：
1. security is good：The configuration of the present invention is simple, by the way that, with protecting circuit in parallel, can be damaged in fog lamp cannot by fog lamp
The LED light that protection circuit is connected in the case of normal work serves as standby lighting, it is ensured that vehicle driving safety.
2. failure reports an error in time：The present invention is connected by voltage comparator circuit with warning light, can be damaged in time in fog lamp
In the case of be issued by alarm, remind driver to drive with caution and carried out maintenance in time to fog lamp.
It is 3. applied widely：The configuration of the present invention is simple, is applicable to various electric automobile vehicles, and beneficial effect is obvious.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiments are used for
Illustrate the present invention, but cannot be used for limiting the scope of the invention." under ", "left", "right", " interior ", " outer ", " front end ", " rear end ",
The orientation or position relationship of the instructions such as " head ", " afterbody " are based on orientation shown in the drawings or position relationship, merely to just
In the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", "
Three " etc. are only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
A kind of electric automobile fog lamp fault secure circuit as shown in Figure 1, including be sequentially connected in series power supply, brake switch,
Fog lamp, sets voltage comparator circuit between brake switch and fog lamp；The fog lamp and protection circuit in parallel.The configuration of the present invention is simple,
By the way that with protecting circuit in parallel, fog lamp can be connected protection circuit in the case where fog lamp is damaged cisco unity malfunction
LED light serves as standby lighting, it is ensured that vehicle driving safety；The voltage comparator circuit is operational amplifier LM358；Institute
Voltage protection circuit is stated to connect respectively at fog lamp and protection circuit by relay；The protection circuit is the guarantor being sequentially connected in series
Protect resistance and LED light；Voltage comparator circuit is also connected by resistance with warning light；Set between the power supply and brake switch
Fuse.
Embodiment 1
A kind of electric automobile fog lamp fault secure circuit as shown in Figure 1, including power Vcc, fuse FU, the system being sequentially connected in series
Dynamic switch F, operational amplifier LM358, fog lamp M1, fog lamp M2, fog lamp M1, fog lamp M2 are respectively with protecting circuit in parallel；Computing is put
Big device LM358 is connected by relay respectively at fog lamp M1, fog lamp M2 and its protection circuit；The protection circuit is successively
The protective resistance R5 of series connection and LED light or protective resistance R6 and LED；Operational amplifier LM358 also passes through resistance R3 or R4 and police
Report lamp is connected.
Fog lamp M1, fog lamp M2 is working properly when not damaging, and opens brake switch F, and power Vcc passes through fuse F and electricity
Hinder R1 conductings operational amplifier LM358, diode VD1, VD2 and play clamping action, diode VD3, VD4 in circuit
Play one-way conduction, the preferably common silicon rectifier diode of 1N4007 types in circuit；Operational amplifier LM358 passes through reading
The magnitude of voltage of forward and reverse input signal is taken, compared, realizes the change of output voltage, so as to control the work of warning light；Vapour
Car both sides fog lamp and its circuit are normal, and 3 feet of operational amplifier LM358 and the magnitude of voltage of 5 feet are than 2 feet and 6 feet
Height, then export high level, fog lamp M1, fog lamp M2 are bright, and warning light is not lighted.
Embodiment 2
A kind of electric automobile fog lamp fault secure circuit as shown in Figure 1, including power Vcc, fuse FU, the system being sequentially connected in series
Dynamic switch F, operational amplifier LM358, fog lamp M1, fog lamp M2, fog lamp M1, fog lamp M2 are respectively with protecting circuit in parallel；Computing is put
Big device LM358 is connected by relay respectively at fog lamp M1, fog lamp M2 and its protection circuit；The protection circuit is successively
The protective resistance R5 of series connection and LED light or protective resistance R6 and LED；Operational amplifier LM358 also passes through resistance R3 or R4 and police
Report lamp is connected.
Power Vcc turns on operational amplifier LM358 by fuse F and resistance R1, and diode VD1, VD2 are in electricity
Clamping action is played on road, and diode VD3, VD4 play one-way conduction, the preferably common silicon rectifier of 1N4007 types in circuit
Diode；Operational amplifier LM358 realizes output voltage by reading, comparing the magnitude of voltage of forward and reverse input signal
Change, so as to control the work of warning light；When fog lamp M1, fog lamp M2 are damaged, 3 feet of operational amplifier LM358 and
The magnitude of voltage of 5 feet is lower than 2 feet and 6 feet, then exports low level, the contact dead electricity that relay is connected with fog lamp, fog lamp M1,
Fog lamp M2 does not light relay and is connected with protection circuit, turns on protective resistance, LED light is lighted, and serves as temporary lighting equipment.
3 feet of operational amplifier LM358 and the magnitude of voltage of 5 feet are lower than 2 feet and 6 feet, then export low electricity
Flat, warning light is lighted, and prompting driver drives with caution and on-call maintenance equipment.
The embodiment of the present invention provides for the sake of example and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
It is to more preferably illustrate the principle of the present invention and practical application to select and describe embodiment, and makes those of ordinary skill in the art
It will be appreciated that the present invention is so as to design the various embodiments with various modifications suitable for special-purpose.
Claims (6)
1. a kind of electric automobile fog lamp fault secure circuit, including power supply, brake switch, the fog lamp being sequentially connected in series, its feature exist
In：Voltage comparator circuit is set between brake switch and fog lamp；The fog lamp and protection circuit in parallel.
2. electric automobile fog lamp fault secure circuit according to claim 1, it is characterised in that：The voltage is more electric
Road is operational amplifier LM358.
3. electric automobile fog lamp according to claim 1 or 2 protects circuit, it is characterised in that：The voltage protection circuit
Connected by relay respectively at fog lamp and protection circuit.
4. electric automobile fog lamp according to claim 3 protects circuit, it is characterised in that：The protection circuit is successively
The protective resistance and LED light of series connection.
5. electric automobile fog lamp according to claim 1 protects circuit, it is characterised in that：Voltage comparator circuit output terminal is also
It is connected by resistance with warning light.
6. electric automobile fog lamp according to claim 1 protects circuit, it is characterised in that：The power supply and brake switch
Between set fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711110364.5A CN107985183A (en) | 2017-12-19 | 2017-12-19 | Electric automobile fog lamp fault secure circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711110364.5A CN107985183A (en) | 2017-12-19 | 2017-12-19 | Electric automobile fog lamp fault secure circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107985183A true CN107985183A (en) | 2018-05-04 |
Family
ID=62030760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711110364.5A Pending CN107985183A (en) | 2017-12-19 | 2017-12-19 | Electric automobile fog lamp fault secure circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107985183A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2263030Y (en) * | 1996-07-26 | 1997-09-24 | 宝山钢铁(集团)公司 | Air pressure voice alarm |
| CN202472355U (en) * | 2011-11-29 | 2012-10-03 | 天津日拓汽车电装有限公司 | Three-in-one controller of flash lamp, windscreen wiper, rear fog lamp of 12V automobile |
| CN203590571U (en) * | 2013-10-09 | 2014-05-07 | 浙江机电职业技术学院 | Fault alarm device of automobile break lamp |
| CN203946025U (en) * | 2014-04-22 | 2014-11-19 | 盐城师范学院 | A kind of automobile brake lamp failure alarm circuit |
-
2017
- 2017-12-19 CN CN201711110364.5A patent/CN107985183A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2263030Y (en) * | 1996-07-26 | 1997-09-24 | 宝山钢铁(集团)公司 | Air pressure voice alarm |
| CN202472355U (en) * | 2011-11-29 | 2012-10-03 | 天津日拓汽车电装有限公司 | Three-in-one controller of flash lamp, windscreen wiper, rear fog lamp of 12V automobile |
| CN203590571U (en) * | 2013-10-09 | 2014-05-07 | 浙江机电职业技术学院 | Fault alarm device of automobile break lamp |
| CN203946025U (en) * | 2014-04-22 | 2014-11-19 | 盐城师范学院 | A kind of automobile brake lamp failure alarm circuit |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180504 |