CN2259324Y - Light detection device for vehicle - Google Patents
Light detection device for vehicle Download PDFInfo
- Publication number
- CN2259324Y CN2259324Y CN 96212869 CN96212869U CN2259324Y CN 2259324 Y CN2259324 Y CN 2259324Y CN 96212869 CN96212869 CN 96212869 CN 96212869 U CN96212869 U CN 96212869U CN 2259324 Y CN2259324 Y CN 2259324Y
- Authority
- CN
- China
- Prior art keywords
- light
- vehicle
- light detection
- detection device
- working coil
- 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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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model relates to a light detection device for a vehicle, which is used for a vehicle instrument panel. The light detection device for a vehicle comprises a step-down resistor, a light emitting diode, a working coil, a dry reed pipe, etc. One end of the reed switch is connected with one end of the working coil; a lead-out end is the A end, and after the other end is respectively connected with the light emitting diode and the step-down resistor, the lead-out end is the B end. The utility model has the characteristics of reasonable structural design, reliable work, low production cost, etc. When the light detection device for a vehicle is used, installation is convenient, and adaptability is strong. The light detection device for a vehicle can be widely used for light detection of all kinds of vehicles and can be used for detecting working conditions of other DC electric appliances.
Description
The utility model relates to the indoor meter system of a kind of vehicle drive, particularly car bulb detecting device.
At present, the gauge panel of all kinds of automobile cabs is not all installed the light detecting device, the Presentation Function that does not possess the light service condition, though the gauge panel of part automobile has the light indicator lamp, but because of its connection line with light and connect, can only demonstrate this circuit and whether connect, and whether light works and damaged condition can not truly reflect.
The purpose of this utility model is: for the gauge panel of all kinds of automobiles provides a kind of simple in structure, easy for installation, reliable operation, can just can show the whether detecting device of normal operation of this light in the moment that circuit is connected, to remind driver's on-call maintenance, the accident of avoiding causing because of lighting fault takes place.
The purpose of this utility model realizes by following measure, a kind of car bulb detecting device that is used for automobile instrument panel, comprise dropping resistor, light-emitting diode, working coil, dry-reed tube etc., it is characterized in that dry-reed tube places among the working coil, and an end of dry-reed tube is connected with an end of working coil, and exit is the A end; The other end of dry-reed tube connects successively that to draw terminals behind light-emitting diode, the dropping resistor be the B end; The other end of working coil is the C end.
The utlity model has characteristics such as reasonable in design, reliable operation, productive costs are low, easy for installation during use, comformability is strong, the light that can be widely used in all kinds of automobiles detects, and also can be used for detecting the service condition of other direct current (DC) current consumers.
Fig. 1 is the structural representation of car bulb detecting device.
The car bulb detecting device is made up of dropping resistor (1), light-emitting diode (2), working coil (3), dry-reed tube (4) etc., dry-reed tube (4) places among the working coil (3), and an end of dry-reed tube (4) is connected with an end of working coil (3), and exit is the A end; The other end of dry-reed tube (4) connects successively that to draw terminals behind light-emitting diode (2), the dropping resistor (1) be the B end; The other end of working coil (3) leads to the C end.
The installation method of car bulb detecting device is: earlier light circuit to be measured on the gauge panel is disconnected this device of serial connection in the master cock rear end, promptly the A end joins with the master cock rear end, C holds and join with the line end that removes light (A, C two ends reverse be connected also can); Then, the road of again B of this device end and power supply being wandered is connected, and light-emitting diode (2) is installed in the appropriate location of gauge panel panel.The resistance of dropping resistor (1) can be selected according to actual conditions.
The principle of work of car bulb detecting device is: after the master cock of light to be measured was connected, electric current just passed through working coil (3) to light to be measured, and this light is started working; At this moment, the direct current (DC) because working coil (3) has been flowed through, just produce a permanent magnetic field is arranged, this field drives dry-reed tube (4) closure, making it connect light-emitting diode (2) connects with the circuit of dropping resistor (1), the light-emitting diode (2) that is installed on the gauge panel panel is then luminous, shows this light normal operation.When the filament damage of light to be measured, after master cock was connected, working coil (3) still no current passed through, and dry-reed tube (4) can not be closed, and the light-emitting diode (2) that then is installed on the gauge panel panel is not luminous, shows this light operation irregularity.
Claims (1)
1, a kind of car bulb detecting device that is used for automobile instrument panel, comprise dropping resistor, light-emitting diode, working coil, dry-reed tube etc., it is characterized in that: dry-reed tube places among the working coil, and an end of dry-reed tube is connected with an end of working coil, and exit is the A end; The other end of dry-reed tube connects successively that to draw terminals behind light-emitting diode, the dropping resistor be the B end; The other end of working coil is the C end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96212869 CN2259324Y (en) | 1996-05-28 | 1996-05-28 | Light detection device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96212869 CN2259324Y (en) | 1996-05-28 | 1996-05-28 | Light detection device for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2259324Y true CN2259324Y (en) | 1997-08-13 |
Family
ID=33895410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96212869 Expired - Fee Related CN2259324Y (en) | 1996-05-28 | 1996-05-28 | Light detection device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2259324Y (en) |
-
1996
- 1996-05-28 CN CN 96212869 patent/CN2259324Y/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 |