CN202652664U - Automobile lighting device - Google Patents
Automobile lighting device Download PDFInfo
- Publication number
- CN202652664U CN202652664U CN 201220218578 CN201220218578U CN202652664U CN 202652664 U CN202652664 U CN 202652664U CN 201220218578 CN201220218578 CN 201220218578 CN 201220218578 U CN201220218578 U CN 201220218578U CN 202652664 U CN202652664 U CN 202652664U
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- China
- Prior art keywords
- circuit
- headlight
- emergency light
- power supply
- bulb
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an automobile lighting device comprising a general switch, a headlight circuit, an emergency lamp circuit, and a power source providing power for the headlight circuit and the emergency lamp circuit; the headlight circuit comprises headlight lamps and a normally open relay, and the emergency lamp circuit comprises emergency lamps, a normally closed relay, and a photosensitive diode; and automatic emergency lighting circuit of the automobile headlight is realized through connections of each other. The automobile lighting device designed by the utility model can automatically switch to the emergency lamps for emergency lighting, so driving safety of the automobile is guaranteed.
Description
Technical field
The utility model relates to a kind of car headlight device.
Background technology
For vehicle going at night, the most important thing is illumination, if the illuminator of automobile breaks down, then can bring great potential safety hazard to driving, very easily cause traffic accident.
The utility model content
Technical problem to be solved in the utility model provides a kind of emergency light that can automatically switch and carries out emergency lighting, guarantees the car headlight device of ride safety of automobile.
The utility model is in order to solve the problems of the technologies described above by the following technical solutions: the utility model has designed a kind of car headlight device, the power supply that comprises master switch, large circuit for lamp, emergency light circuit and power for large circuit for lamp, emergency light circuit; Wherein large circuit for lamp comprises headlight bulb and normally opened relay, and emergency light circuit comprises emergent bulb; Described power supply divides two-way to power, and wherein one road power supply circuits are connected with the switch of normally opened relay in the large circuit for lamp, and the switch contact of described normally opened relay is connected with an end of headlight bulb, the other end ground connection of headlight bulb; Behind another road power supply circuits series connection master switch, an end of normally opened relay coil and an end of emergency light circuit in the large circuit for lamp in parallel, the other end of described normally opened relay coil, the other end of emergency light circuit be ground connection respectively; Described emergency light circuit also comprises normally closed relay and photodiode, described photodiode is near the headlight bulb, the wherein said power supply circuits that are connected with emergency light circuit one end are connected with switch, an end of coil in the normally closed relay respectively, switch contact in the described normally closed relay is connected with an end of emergent bulb, the other end ground connection of emergent bulb, the other end of described normally closed relay coil is connected with the negative electrode of photodiode, the plus earth of photodiode.
As a kind of optimal technical scheme of the present utility model: described power supply is storage battery.
A kind of car headlight device described in the utility model adopts above technical scheme compared with prior art, has following technique effect: the emergency light that can automatically switch carries out emergency lighting, has guaranteed the safety of running car.
Description of drawings
Fig. 1 is circuit theory schematic diagram of the present utility model.
Wherein, 1. photodiode; 2. headlight bulb; 3. normally closed relay; 4. normally opened relay; 5. master switch; 6. power supply; 7. emergent bulb.
Embodiment
Below in conjunction with Figure of description embodiment of the present utility model is described in further detail.
As shown in Figure 1, the utility model has designed a kind of car headlight device, the power supply that comprises master switch, large circuit for lamp, emergency light circuit and power for large circuit for lamp, emergency light circuit; Wherein large circuit for lamp comprises headlight bulb and normally opened relay, and emergency light circuit comprises emergent bulb; Described power supply divides two-way to power, and wherein one road power supply circuits are connected with the switch of normally opened relay in the large circuit for lamp, and the switch contact of described normally opened relay is connected with an end of headlight bulb, the other end ground connection of headlight bulb; Behind another road power supply circuits series connection master switch, an end of normally opened relay coil and an end of emergency light circuit in the large circuit for lamp in parallel, the other end of described normally opened relay coil, the other end of emergency light circuit be ground connection respectively; Described emergency light circuit also comprises normally closed relay and photodiode, described photodiode is near the headlight bulb, the wherein said power supply circuits that are connected with emergency light circuit one end are connected with switch, an end of coil in the normally closed relay respectively, switch contact in the described normally closed relay is connected with an end of emergent bulb, the other end ground connection of emergent bulb, the other end of described normally closed relay coil is connected with the negative electrode of photodiode, the plus earth of photodiode.A kind of car headlight device of the utility model design, the emergency light that can automatically switch carries out emergency lighting, has guaranteed the safety of running car.
As a kind of optimal technical scheme of the present utility model: described power supply is storage battery.
A kind of car headlight device of the utility model design is in the middle of concrete use procedure, at first closed master switch is connected the coil circuit in the normally opened relay, and then the switch contact in the normally opened relay carries out closure, at this moment, normal such as the headlight bulb, then light the headlight bulb, because photodiode is near the headlight bulb, the illumination of headlight bulb makes the photodiode conducting, the coil circuit of normally closed relay is switched on, and then the switch contact of normally closed relay disconnects, and disconnects emergent bulb; When closed master switch, headlight bulb-damage and can't throw light on the time, then there is not light to shine on the photodiode, photodiode is cut-off just, this moment, the coil circuit of normally closed relay was disconnected, and the switch contact of normally closed relay is closed, has then connected emergency light, realized that the automatic switchover emergency light carries out emergency lighting, has guaranteed the safety of running car.
The above has done detailed description to execution mode of the present utility model by reference to the accompanying drawings, but the utility model is not limited to above-mentioned execution mode, in the ken that those of ordinary skills possess, can also under the prerequisite that does not break away from the utility model aim, make a variety of changes.
Claims (2)
1. car headlight device, the power supply that comprises master switch, large circuit for lamp, emergency light circuit and power for large circuit for lamp, emergency light circuit; Wherein large circuit for lamp comprises headlight bulb and normally opened relay, and emergency light circuit comprises emergent bulb; Described power supply divides two-way to power, and wherein one road power supply circuits are connected with the switch of normally opened relay in the large circuit for lamp, and the switch contact of described normally opened relay is connected with an end of headlight bulb, the other end ground connection of headlight bulb; Behind another road power supply circuits series connection master switch, an end of normally opened relay coil and an end of emergency light circuit in the large circuit for lamp in parallel, the other end of described normally opened relay coil, the other end of emergency light circuit is ground connection respectively, it is characterized in that: described emergency light circuit also comprises normally closed relay and photodiode, described photodiode is near the headlight bulb, the wherein said power supply circuits that are connected with emergency light circuit one end respectively with normally closed relay in switch, one end of coil is connected, switch contact in the described normally closed relay is connected with an end of emergent bulb, the other end ground connection of emergent bulb, the other end of described normally closed relay coil is connected with the negative electrode of photodiode, the plus earth of photodiode.
2. described a kind of car headlight device according to claim 1, it is characterized in that: described power supply is storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220218578 CN202652664U (en) | 2012-05-16 | 2012-05-16 | Automobile lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220218578 CN202652664U (en) | 2012-05-16 | 2012-05-16 | Automobile lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202652664U true CN202652664U (en) | 2013-01-02 |
Family
ID=47421680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220218578 Expired - Fee Related CN202652664U (en) | 2012-05-16 | 2012-05-16 | Automobile lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202652664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642497A (en) * | 2012-05-16 | 2012-08-22 | 无锡商业职业技术学院 | Automotive lighting device |
-
2012
- 2012-05-16 CN CN 201220218578 patent/CN202652664U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642497A (en) * | 2012-05-16 | 2012-08-22 | 无锡商业职业技术学院 | Automotive lighting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20140516 |