CN201513808U - LED steering lamp structure - Google Patents
LED steering lamp structure Download PDFInfo
- Publication number
- CN201513808U CN201513808U CN2009202086567U CN200920208656U CN201513808U CN 201513808 U CN201513808 U CN 201513808U CN 2009202086567 U CN2009202086567 U CN 2009202086567U CN 200920208656 U CN200920208656 U CN 200920208656U CN 201513808 U CN201513808 U CN 201513808U
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- led
- luminescence chip
- led luminescence
- steering indicating
- indicating light
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Abstract
The utility model provides a LED steering lamp structure, comprising a lamp shade and a steering lamp body, wherein the side surface of the front part of the steering lamp body is provided with a plurality of first LED light-emitting chips as steering lamp light sources; the two ends of the side surface of the front part of the steering lamp body are provided with second LED light-emitting chips as position lamp light sources; the steering lamp body is also provided with a control device for driving and controlling the first LED light-emitting chips and the second LED light-emitting chips; the control device is connected with a power supply by lines; the first LED light-emitting chips and the second LED light-emitting chips on the steering lamp body are respectively driven and controlled by a first control module and a second control module in the control device; the first control module is provided with a temperature current control resistor which is used for detecting the ambient temperature used by the first LED light-emitting chips and controlling the current of the first LED light-emitting chips when being used under high-temperature environment, thus protecting the first LED light-emitting chips and effectively prolonging the service lives of the first LED light-emitting chips.
Description
Technical field
The utility model relates to a kind of steering indicating light structure, the LED steering indicating light structure that particularly a kind of service life is higher.
Background technology
At present, traditional flasher all is to adopt incandescent lamp or electricity-saving lamp as light source, adds red, Yellow filter cover, realizes red, yellow two kinds of light display signals; But, since the factors such as defective of incandescent lamp or electricity-saving lamp self, the luminance range of this class flasher of great majority, and spoilage is higher, and service life is shorter, and power consumption is big, the row that causes thus, Parking defective are brought very big potential safety hazard to road traffic.
Because advantages such as LED has high brightness, low energy consumption, anti-vibration, volume is little, the exciter response time is short just more and more are applied on the flasher.
Existing LED flasher mainly with many groups LED light emitting diode combined as light source, be used to overcome the deficiency of above-mentioned orthodox car steering indicating light, but in order to guarantee the brightness of LED steering indicating light output, the LED light emitting diode just needs a stable drive current with the driving LED lumination of light emitting diode, the LED light emitting diode is after for a long time luminous, can cause the rising of LED light emitting diode environment temperature, if the LED light emitting diode is operated in the too high temperature for a long time, will influence the service life of LED light emitting diode.
The utility model content
The purpose of this utility model is to provide a kind of LED steering indicating light structure; remedy the weak point that existing LED flasher exists; by detecting the environment temperature of LED work; when LED is operated in excessive temperature; reduce the drive current of LED; thereby protection LED, the service life of having improved LED effectively.
The technical problem that the utility model solved can realize by the following technical solutions:
A kind of LED steering indicating light structure, it is characterized in that, it comprises: lampshade and the steering indicating light body that is arranged in the lampshade, described steering indicating light body portion side is provided with the some LED luminescence chips as the steering indicating light light source, be provided with the 2nd LED luminescence chip as the positonlight source at the two ends of described steering indicating light body portion side, also be provided with the control device that is used to drive and control a LED luminescence chip and the 2nd LED luminescence chip on the described steering indicating light body, a described LED luminescence chip is connected to described control device then by the mutual series connection of circuit, described the 2nd LED luminescence chip is connected respectively to described control device by circuit, and described control device is connected with power supply by circuit.
In an embodiment of the present utility model, described steering indicating light body is curved, the front end side of described steering indicating light body is hierarchic structure, a described LED luminescence chip is arranged on the step of described hierarchic structure, and described the 2nd LED luminescence chip is arranged on the step side at described hierarchic structure two ends.
In an embodiment of the present utility model, described control device is by a power module, second control module that one first control module and that is used to drive and control a described LED luminescence chip is used to drive and control described the 2nd LED luminescence chip constitutes, the input of described power module connects power supply, the output of described power module connects the input of described first control module and second control module respectively, the output of described first control module is connected with a described LED luminescence chip by circuit, and the output of described second control module is connected with described the 2nd LED luminescence chip respectively by circuit.
Further, described first control module is one to comprise the control circuit of a control chip, is provided with the temperature current controlling resistance that is used to detect the environment temperature that a LED luminescence chip uses and controls a LED luminescence chip electric current when using under hot environment in described first control module.
Further, be provided with in the described power module be used for anti-reverse protection with the protection power module when input both positive and negative polarity connect the anti-reverse element that can not damage in anti-.
Further, be provided with in the described power module and be used for when power supply is unstable, absorbing the power protection element that the transient high voltage pulse can not damage during in the instantaneous pressure pulse with the protection power module.
A kind of LED steering indicating light structure of the present utility model; LED luminescence chip on the steering indicating light body and the 2nd LED luminescence chip drive and control by first control module in the control device and second control module respectively; in first control module, be provided with the temperature current controlling resistance; electric current when being used to detect the environment temperature of LED luminescence chip use and controlling a LED luminescence chip under hot environment, use; protect a LED luminescence chip with this; improve the service life of a LED luminescence chip effectively, realize the purpose of this utility model.
Description of drawings
Fig. 1 is the structural representation of a side LED steering indicating light structure of the present utility model;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is the rearview of Fig. 1;
Fig. 4 is the connection diagram of LED steering indicating light structure of the present utility model;
Fig. 5 is the scheme of installation of LED luminescence chip of the present utility model;
Fig. 6 is the structural representation of opposite side LED steering indicating light structure of the present utility model;
Fig. 7 is the upward view of Fig. 6;
Fig. 8 is the rearview of Fig. 6;
Fig. 9 is the circuit theory diagrams of control device of the present utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As Fig. 1, Fig. 2, shown in Figure 3, LED steering indicating light structure of the present utility model, it comprises: lampshade (not shown) and the steering indicating light body 10 that is arranged in the lampshade, steering indicating light body 10 anterior sides are provided with some LED luminescence chips 20, be provided with the 2nd LED luminescence chip 30 at the two ends of steering indicating light body 10 anterior sides, the one LED luminescence chip 20 is as the steering indicating light light source, and the 2nd LED luminescence chip 30 is as the positonlight source; Also be provided with control device 40 on the steering indicating light body 10, control device 40 is used for driving and controlling a LED luminescence chip 20 and the 2nd LED luminescence chip 30.
As shown in Figure 4, the one LED luminescence chip 20 is connected to control device 40 then by circuit 21 mutual series connection, the 2nd LED luminescence chip 30 is connected respectively to control device 40 by circuit 31, and control device 40 connects power supply by circuit 11, is LED steering indicating light structure power supply of the present utility model.
As Fig. 1, shown in Figure 5, steering indicating light body 10 is curved, the front end side of steering indicating light body 10 is hierarchic structure, and a LED luminescence chip 20 is arranged on the step of described hierarchic structure, and the 2nd LED luminescence chip 30 is arranged on the step side at described hierarchic structure two ends; In the utility model, a LED luminescence chip 20 and the 2nd LED luminescence chip 30 are fixed on the steering indicating light body 10 by screw 12.
As Fig. 1, Fig. 2, LED steering indicating light shown in Figure 3 is mounted in the left side of automobile front directional, equally, it is corresponding (referring to Fig. 6 with the structure in left side that the LED steering indicating light is mounted in the structure on right side of automobile front directional, Fig. 7, Fig. 8), comprise lampshade (not shown) and the steering indicating light body 10 that is arranged in the lampshade, steering indicating light body 10 anterior sides are provided with some LED luminescence chips 20, be provided with the 2nd LED luminescence chip 30 at the two ends of steering indicating light body 10 anterior sides, the one LED luminescence chip 20 is as the steering indicating light light source, and the 2nd LED luminescence chip 30 is as the positonlight source; Also be provided with control device 40 on the steering indicating light body 10, control device 40 is used for driving and controlling a LED luminescence chip 20 and the 2nd LED luminescence chip 30.
The one LED luminescence chip 20 is connected to control device 40 then by circuit 21 mutual series connection, the 2nd LED luminescence chip 30 is connected respectively to control device 40 by circuit 31, control device 40 connects power supply by circuit 11, is LED steering indicating light structure power supply of the present utility model.
As shown in Figure 9, control device 40 is by a power module 41, second control module 43 that one first control module 42 and that is used to drive and control a LED luminescence chip 20 is used to drive and control the 2nd LED luminescence chip 30 constitutes, the input of power module 41 connects power supply, the output of power module 41 connects the input of first control module 42 and second control module 43 respectively, the output of first control module 41 is connected with a LED luminescence chip 20 by circuit 21, and the output of second control module 43 is connected with the 2nd LED luminescence chip 30 respectively by circuit 31.
During 42 work of first control module, after the energising, control chip U1 control FET Q5 conducting, input current charges to inductance L 4 through the loop that Schottky diode D3, inductance L 1, inductance L 2, inductance L 4 and FET Q5 form, this section period charging current constantly increases, after a period of time, control chip U1 control FET Q5 turn-offs, the electric energy of inductance L 4 storages will by inductance L 5, diode D6, resistance R 23 and interface P3 the loop that forms of an external LED luminescence chip 20 and resistance R 16, resistance R 17 and resistance R 31 discharge; During inductance L 4 discharges, the voltage that the plug-in pin 19 of control chip U1 and plug-in pin 20 detect on resistance R 16 and the resistance R 17 by resistance R 12 and resistance R 20, thereby detect the electric current on the LED luminescence chip 20 of flowing through, give feedback signal of control chip U1, it more than is a switch periods, i.e. PWM cycle.
By the detection of above-mentioned control chip U1 to the electric current of a LED luminescence chip 20, control chip U1 passes through internal calculation, in further switch time (being the PWM dutycycle) of control FET Q5 in next PWM cycle, come electric current on the stable control control chip U1 by the feedback of above-mentioned continuous PWM control and electric current.
During 43 work of second control module, switching on moment, triode Q4 is in the work cut-off state, triode Q1 is in work to be ended, triode Q2 is in the work saturation state, triode Q3 is in the work saturation state, electric current is through triode Q3 like this, inductance L 3 and interface P2 external the 2nd LED luminescence chip 30 and current sense resistor R18 and current sense resistor R19 to inductance L 3 chargings, loop current constantly increases during charging, the voltage that is current sense resistor R18 and current sense resistor R19 constantly increases, like this, the Ice electric current of triode Q4 also constantly increases, and makes the Ice of triode Q1 also constantly increase, when increasing to when necessarily increasing, triode Q2 is ended, and triode Q3 also and then ends simultaneously; At this moment, the electric energy of the storage of inductance L 3 through interface P2 the loop discharge afterflow that forms of external the 2nd LED luminescence chip 30, current sense resistor R18 and current sense resistor R19, Schottky diode D5, the electric current in loop constantly descends, the voltage of current sense resistor R18 and current sense resistor R19 is constantly descended, simultaneously, the Ice of triode Q4 also constantly descends, the Ice of triode Q1 also constantly descends, when dropping to when necessarily going beyond value, triode Q2 conducting, triode Q3 is conducting simultaneously also, and inductance L 3 continues charging; So periodic control can guarantee the to flow through electric current of the 2nd LED luminescence chip 30.
In power module 41, Schottky diode D3 is used for anti-reverse protection, with protection power module 41 when input both positive and negative polarity connect and can not damage in anti-; Transient Suppression Diode D4 is used for absorbing the transient high voltage pulse when the environment power supply is unstable, and protection power module 41 can not damage when the instantaneous pressure pulse; Inductance L 1, capacitor C 3 and capacitor C 4 and inductance L 2, capacitor C 5 and capacitor C 6 constitute 2 ∏ type filter circuits, are used for the high-frequency signal interference power line that filter out power module 41 produces;
In first control module 42, capacitor C 9 and capacitor C 10 are filter capacitors of the input of first control module 42; Capacitor C 12, capacitor C 13, capacitor C 14 and capacitor C 15 are filter capacitors of first control module, 42 outputs, can reduce the ripple of output; Inductance L 5 and inductance L 6 are to be used for the absorbing high-frequency signal, reduce electromagnetic interference EMI; Resistance R 22, capacitor C 29 and capacitor C 30 are compensating inductances of control chip U1, compensation PWM control output; Resistance R 24 and resistance R 27 are the temperature current controlling resistance, can control the electric current when using under the hot environment of LED.
In second control module 43, capacitor C 18, capacitor C 19 and capacitor C 20 are ripple filter capacitors of second control module, 43 inputs; Capacitor C 11 and resistance R 7 constitute the high-frequency signal filter circuit, but filtering loop high-frequency signal reduces electromagnetic interference EMI.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. LED steering indicating light structure, it is characterized in that, it comprises: lampshade and the steering indicating light body that is arranged in the lampshade, described steering indicating light body portion side is provided with the some LED luminescence chips as the steering indicating light light source, be provided with the 2nd LED luminescence chip as the positonlight source at the two ends of described steering indicating light body portion side, also be provided with the control device that is used to drive and control a LED luminescence chip and the 2nd LED luminescence chip on the described steering indicating light body, a described LED luminescence chip is connected to described control device then by the mutual series connection of circuit, described the 2nd LED luminescence chip is connected respectively to described control device by circuit, and described control device is connected with power supply by circuit.
2. LED steering indicating light structure as claimed in claim 1, it is characterized in that, described steering indicating light body is curved, the front end side of described steering indicating light body is hierarchic structure, a described LED luminescence chip is arranged on the step of described hierarchic structure, and described the 2nd LED luminescence chip is arranged on the step side at described hierarchic structure two ends.
3. LED steering indicating light structure as claimed in claim 1, it is characterized in that, described control device is by a power module, second control module that one first control module and that is used to drive and control a described LED luminescence chip is used to drive and control described the 2nd LED luminescence chip constitutes, the input of described power module connects power supply, the output of described power module connects the input of described first control module and second control module respectively, the output of described first control module is connected with a described LED luminescence chip by circuit, and the output of described second control module is connected with described the 2nd LED luminescence chip respectively by circuit.
4. LED steering indicating light structure as claimed in claim 3, it is characterized in that, described first control module is one to comprise the control circuit of a control chip, is provided with the temperature current controlling resistance that is used to detect the environment temperature that a LED luminescence chip uses and controls a LED luminescence chip electric current when using under hot environment in described first control module.
5. LED steering indicating light structure as claimed in claim 3 is characterized in that, be provided with in the described power module be used for anti-reverse protection with the protection power module when input both positive and negative polarity connect the anti-reverse element that can not damage in anti-.
6. LED steering indicating light structure as claimed in claim 3 is characterized in that, is provided with in the described power module to be used for absorbing the power protection element that the transient high voltage pulse can not damage during in the instantaneous pressure pulse with the protection power module when power supply is unstable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202086567U CN201513808U (en) | 2009-08-31 | 2009-08-31 | LED steering lamp structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202086567U CN201513808U (en) | 2009-08-31 | 2009-08-31 | LED steering lamp structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201513808U true CN201513808U (en) | 2010-06-23 |
Family
ID=42485219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202086567U Expired - Fee Related CN201513808U (en) | 2009-08-31 | 2009-08-31 | LED steering lamp structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201513808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591957A (en) * | 2018-05-10 | 2018-09-28 | 曹伟 | A kind of anti-high optically focused car light that hazes of automobile |
-
2009
- 2009-08-31 CN CN2009202086567U patent/CN201513808U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591957A (en) * | 2018-05-10 | 2018-09-28 | 曹伟 | A kind of anti-high optically focused car light that hazes of automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20180831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |