CN2126840Y - Monitor for breakdown of automobile light - Google Patents
Monitor for breakdown of automobile light Download PDFInfo
- Publication number
- CN2126840Y CN2126840Y CN 92222674 CN92222674U CN2126840Y CN 2126840 Y CN2126840 Y CN 2126840Y CN 92222674 CN92222674 CN 92222674 CN 92222674 U CN92222674 U CN 92222674U CN 2126840 Y CN2126840 Y CN 2126840Y
- Authority
- CN
- China
- Prior art keywords
- light
- monitor
- emitting diode
- circuit
- prison
- 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 provides a monitor which can continuously monitor the fault of the vehicle lamp light circuit, which is arranged in a steering room, and is composed of a voltage boosting inverse power supply, a light emitting diode, a current limiting circuit, a rectifying diode and a switch. When the vehicle lamp normally works, the light emitting diode dispatches the light. When the lamp is switched on or switched off, as long as any vehicle lamp generates the faults, the light emitting diode does not dispatch the light, which causes the driver to find out which vehicle light generates the faults in advance to repair on time and ensure the driving safety. The monitor which can continuously monitor the fault of the vehicle lamp light circuit has the advantages of small volume, light weight, low cost, convenient installation, and no noise.
Description
The utility model relates to the telltale that a kind of prison shows the vehicle lighting fault.
Existing vehicle light circuit does not have the lighting fault prison to show function, and newly mostly some vehicle light circuit monitors of development are could monitor when turning on light, light circuit breaks down and can not be found in advance by the driver when not turning on light, so cause traffic accident easily.
Task of the present utility model provides a kind ofly can be when turning on light or do not turn on light all shows at prison incessantly whether light circuit breaks down.This monitor can make the driver can find in advance that in operator's compartment which car light breaks down.
Task of the present utility model is to realize by following design plan, and the inverter that boosts, current-limiting resistance, light-emitting diode, rectifier diode are formed a display unit, are installed on the housing by 20 unit.When opening the monitor source switch, the inverter that boosts is supplied with each monitoring circuit work after vehicle light power voltage is raise, and the electric current after boosting is by current-limiting resistance, and the car light of light-emitting diode through being shown by prison is to ground.When opening car light, because the voltage of monitoring circuit is higher than car light voltage,, make lumination of light emitting diode so the electric current in the monitoring circuit still arrives ground to light-emitting diode through car light by current-limiting resistance, illustrate that this light circuit is working properly.If when opening car light or not opening car light, filament break, because the negative terminal of rectifier diode links to each other with bulb, forward current in the monitoring circuit, just can not arrive ground by the bulb that the rectifier diode negative terminal is in parallel with it, so light-emitting diode can be not luminous, illustrate that this light circuit breaks down.
The utility model has the advantages that: opening lighting switch or do not opening lighting switch, whether monitor can uninterruptedly monitor light circuit and break down, and can to distinguish in the bulb of two parallel connections be which has been gone bad, the driver can find in advance which car light breaks down, in time repair, guarantee traffic safety.This small product size is little, and cost is low, and is easy for installation.
Below accompanying drawing is described:
Fig. 1---uninterrupted vehicle lighting fault monitor product figure
Fig. 2---uninterrupted vehicle lighting fault monitor A-A section-drawing
Fig. 3---uninterrupted vehicle lighting fault monitor basic circuit
1---inverter 2 boosts---monitor source switch
3---current-limiting resistance 4---light-emitting diode
5---rectifier diodes 6---are supervised the car light that shows
7---lighting switch 8---housing
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.The inverter (1) that boosts, current-limiting resistance (3), light-emitting diode (4), rectifier diode (5), switch (7) is formed a prison and is shown the unit, shows that by 20 prisons the unit is positioned on the housing (8).The inverter (1) that boosts provides the general supply of showing the unit to each prison, and current-limiting resistance (3) one ends join with variable power source (1) positive pole that boosts, and the positive pole of the other end and light-emitting diode (4) joins.The negative terminal of light-emitting diode (4) and rectifier diode (5) negative terminal are connected to the car light (6) that is shown by prison, and rectifier diode (5) is that string is being supervised between the car light (6) and lighting switch (7) that shows, positive pole connects switch (7) negative pole and connects car light (6).When opening monitor source switch (2), the inverter that boosts (1) is started working, and vehicle light power supply voltage is raise, and for the monitor circuit working, electric current steeps (6) to power supply negative terminal to light-emitting diode (4) through car light by current-limiting resistance (3).Light-emitting diode this moment (4) is luminous, illustrates that this light is working properly.If this bulb (6) fracture of wire because rectifier diode (5) negative terminal links to each other with bulb, so monitoring current not can by rectifier diode (5) therewith the bulb that is in parallel of lamp to the negative terminal of power supply.Light-emitting diode this moment (4) just can not be luminous.Illustrate that this light circuit breaks down.When opening this headlamp switch (7), because the voltage of monitoring circuit is higher than car light voltage, so the electric current in the monitoring circuit still steeps (6) to power supply negative terminal to light-emitting diode (4) through car light by current-limiting resistance (3).This has just realized all can supervising incessantly when turning on car light or do not drive lamp and has shown in the light circuit and do not break down.
Claims (4)
1, a kind of uninterrupted vehicle lighting fault monitor, the inverter (1) that it is characterized in that boosting, current-limiting resistance (3), light-emitting diode (4), rectifier diode (5), lighting switch (7) is formed a prison and is shown the unit, is installed on the housing (8) by 20 unit.
2, uninterrupted vehicle lighting fault monitor according to claim 1, the inverter (1) that it is characterized in that boosting is to supply with the general supply that each prison shows the unit.
3, according to claim 1 and 2 described not between vehicle lighting fault monitor, it is characterized in that current-limiting resistance (3) one ends and inverter (1) positive pole that boosts join, the positive pole of the other end and luminous optical diode (4) joins, the negative terminal of light-emitting diode (4) and rectifier diode (5) negative terminal are connected on the car light (6) that is shown by prison.
4, uninterrupted vehicle lighting fault monitor according to claim 1 is characterized in that rectifier diode (5), is to be serially connected between the car light (6) and lighting switch (7) that is shown by prison.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92222674 CN2126840Y (en) | 1992-05-28 | 1992-05-28 | Monitor for breakdown of automobile light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92222674 CN2126840Y (en) | 1992-05-28 | 1992-05-28 | Monitor for breakdown of automobile light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2126840Y true CN2126840Y (en) | 1993-02-10 |
Family
ID=33768922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92222674 Expired - Fee Related CN2126840Y (en) | 1992-05-28 | 1992-05-28 | Monitor for breakdown of automobile light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2126840Y (en) |
-
1992
- 1992-05-28 CN CN 92222674 patent/CN2126840Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |