CN201251850Y - Infrared emission device of car safety warning system - Google Patents
Infrared emission device of car safety warning system Download PDFInfo
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- CN201251850Y CN201251850Y CNU200820099798XU CN200820099798U CN201251850Y CN 201251850 Y CN201251850 Y CN 201251850Y CN U200820099798X U CNU200820099798X U CN U200820099798XU CN 200820099798 U CN200820099798 U CN 200820099798U CN 201251850 Y CN201251850 Y CN 201251850Y
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Abstract
An infrared emission device of car safety warning system relates to infrared emission technology, wherein one pole of a capacitor C6 of a power supply circuit (9) is connected with an earth wire of an infrared emission circuit (10), the other pole thereof is connected with an input-pole common receiving point of a resistor R5, a resistor R6, a resistor R7 and a resistor R8 of infrared emission circuit (10), the input-pole common receiving point of the resistors R5, R6, R7 and R8 of the infrared emission circuit (10) is connected to a foot 8 and a foot 4 of a 555 chip U1 of a low-frequency circuit (11) and also connected to a foot 8 of a 555 chip U2 of a high-frequency circuit (12), the output pole of a resistor R9 of the infrared emission circuit (10) is connected to a foot 3 of the high-frequency circuit (12), a foot 1 of the low-frequency circuit (11) is connected to a foot 1 of the 555 chip U2 of the high-frequency circuit (12) and the earth wire of the infrared emission circuit (10), and a foot 3 of the low-frequency circuit is connected to a foot 4 of the 555 chip U2 of the high-frequency circuit (12). The infrared emission device of car safety warning system has the advantages of extremely low cost, convenient installation, high humanization and no influence on the normal manipulation of car drivers.
Description
One, technical field
The utility model relates to infrared launcher, especially a kind of infrared launcher of vehicle safety early warning system.
Two, background technology
At on-site and each transport hub vehicle ' is often arranged, pedestrian and other vehicle drive personnel's sight line very easily is subjected to the interference that traffic intersection is stacked material or other barrier, the traffic safety accident takes place easily, and tradition is that the driver points out the pedestrian to note traffic safety by the loudspeaker mode of vehicle.
Three, summary of the invention
The purpose of this utility model provides a kind of simple in structure, and infrared transmitting tube is subjected to the infrared launcher of the vehicle safety early warning system of the control of low-frequency channel, luminous frequency adjustable.
Technical scheme that the purpose of this utility model adopts is, by power circuit, the infrared emission circuit, low-frequency channel, high-frequency circuit is formed, one utmost point of the capacitor C 6 of its power circuit connects the ground wire of infrared emission circuit, another utmost point connects the resistance R 5 of infrared emission circuit, resistance R 6, resistance R 7, resistance R 8 inputs are contact extremely altogether, the resistance R 5 of infrared emission circuit, resistance R 6, resistance R 7, resistance R 8 inputs extremely are total to 8 pin and 4 pin that contact meets 555 chip U1 of low-frequency channel, and 8 pin of 555 chip U2 of high-frequency circuit, one utmost point of the resistance R 9 of infrared emission circuit connects 3 pin of 555 chip U2 of high-frequency circuit, and 1 pin of 555 chip U1 of low-frequency channel connects 1 pin and the infrared emission circuit ground of 555 chip U2 of high-frequency circuit, 3 pin connect 4 pin of 555 chip U2 of high-frequency circuit.
The utility model, the capacitor C 6 one of power circuit connect 2 pin of regulator block 7805 and 3 pin that capacitor C 5 negative poles, another utmost point connect regulator block 7805 extremely altogether, and 1 pin of regulator block 7805 connects capacitor C 5 anodal and resistance R 10 1 utmost points, and resistance R 10 another utmost points meet input power supply VCC.
The utility model, the resistance R 5 of infrared emission circuit and the output stage of resistance R 6 contact altogether connect the infrared transmitting tube D1 input utmost point, infrared transmitting tube D1 output stage connects triode Q1 collector, triode Q1 grounded emitter, resistance R 5 and resistance R 6 output stages contact altogether connect the infrared transmitting tube D2 input utmost point, infrared transmitting tube D2 output stage connects triode Q2 collector, and two base stages of triode Q1 and triode Q2 are another utmost point of contact connecting resistance R9 altogether.
The utility model, 8 pin connecting resistance R1, one utmost point of 555 chip U1 of low-frequency channel, 7 pin of resistance R 1 another utmost point connecting resistance R2 one utmost point and 555 chip U1, resistance R 2 another utmost points connect 2 pin, 6 pin and capacitor C 2 positive poles of 555 chip U1,5 pin of 555 chip U1 connect capacitor C 1 one utmost points, and capacitor C 1 another utmost point connects 1 pin and capacitor C 2 negative poles of 555 chip U1.
The utility model, 8 pin connecting resistance R3, one utmost point of high-frequency circuit 555 chip U2, resistance R 3 another utmost points connect 7 pin and resistance R 4 one utmost points of 555 chip U2, resistance R 4 another utmost points connect 6 pin of 555 chip U2 and 2 pin, capacitor C 4 another utmost points, 5 pin of 555 chip U2 connect capacitor C 3 one utmost points, and capacitor C 3 another utmost points connect 1 pin and capacitor C 4 one utmost points of 555 chip U2.
The utility model combines infrared emission, infrared reception.The long-term work of infrared launcher energising back is at the switch emission state, and the long-term energising of infrared receiving device is operated in and treats accepting state.(optimum reception condition: receiving range 8～13m after the vehicle that infrared launcher is housed is through the signal reception effective coverage of infrared receiving device, receive angle ≦ 45 °), the relay closes of control early-warning lamp, immediately the alarm lamp that is installed in the crossing is accompanied by buzzer and constantly glimmers, so that prompting pedestrian and other vehicle note having vehicle passing, it is vigilant to improve everybody, guarantees traffic safety, avoids the generation of accident.
The utility model power circuit core parts are regulator block 7805, and input voltage is a 5-35 volt, and when input voltage can be through removing resistance R 10 during less than 10V, output voltage 5V is for other circuit provides power supply.Low-frequency channel is identical with the high-frequency circuit principle, constitutes many patterns oscillator output square-wave pulse by 555 chip outer meeting resistance electric capacity.Wherein Enable Pin 4 pin of low-frequency channel 555 chips connect the high level power supply, output terminal 3 pin connect Enable Pin 4 pin of high-frequency circuit 555 chips, high-frequency circuit is started working when low-frequency channel 555 chips output high level, and high-frequency circuit quits work when low-frequency channel 555 chip output low levels; High-frequency circuit 555 chip outputs 4 pin are connected the infrared signal that control infrared transmitting tube D1, D2 send certain frequency by resistance R 9 with the base stage of triode Q1, Q2.Adopt two 555 chips to realize infrared emission control, circuit is simple; Be subjected to the control of low-frequency channel, infrared transmitting tube intermittently sends infrared light according to the frequency of low frequency, and it is luminous to have avoided power valve to continue on the one hand, prolongs the serviceable life of power valve, on the other hand saves energy; The luminous frequency of power valve can realize by resistance R 1, R2 and the capacitor C 2 that changes in the low-frequency channel; The frequency of high-frequency circuit should be complementary in the receive frequency that receives head, can be by adjusting R3, R4, and the size of C4 changes.It is extremely low, easy for installation to have cost, and very hommization occupies little space, and can not influence the advantage of vehicle driver's normal running.
Four, description of drawings
Further specify the utility model below in conjunction with accompanying drawing.
Fig. 1 is the utility model circuit square frame connection diagram;
Fig. 2 is the utility model circuit connection structure synoptic diagram.
Among the figure: 9-power circuit 10-infrared emission circuit 11-low-frequency channel 12-high-frequency circuit, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10-resistance C1, C2, C3, C4, C5 ,-electric capacity 7805-regulator block D1, D2 infrared transmitting tube Q1, Q2-triode U1, U2-555 chip
Five, embodiment
As Fig. 1, shown in Figure 2 by power circuit 9, infrared emission circuit 10, low-frequency channel 11, high-frequency circuit 12 is formed, one utmost point of the capacitor C 6 of its power circuit 9 connects the ground wire of infrared emission circuit 10, another utmost point connects the resistance R 5 of infrared emission circuit 10, resistance R 6, resistance R 7, resistance R 8 inputs are contact extremely altogether, the resistance R 5 of infrared emission circuit 10, resistance R 6, resistance R 7, resistance R 8 inputs extremely are total to 8 pin and 4 pin that contact meets 555 chip U1 of low- frequency channel 11, and 8 pin of 555 chip U2 of high-frequency circuit 12, one utmost point of the resistance R 9 of infrared emission circuit 10 connects 3 pin of 555 chip U2 of high- frequency circuit 12, and 1 pin of 555 chip U1 of low-frequency channel 11 connects 1 pin and infrared emission circuit 10 ground wires of 555 chip U2 of high- frequency circuit 12,3 pin connect 4 pin of 555 chip U2 of high-frequency circuit 12.The capacitor C 6 one of power circuit 9 connects 2 pin of regulator block 7805 and 3 pin that capacitor C 5 negative poles, another utmost point connect regulator block 7805 extremely altogether, and 1 pin of regulator block 7805 connects capacitor C 5 anodal and resistance R 10 1 utmost points, and resistance R 10 another utmost points meet input power supply VCC.The resistance R 5 of infrared emission circuit 10 and the output stage of resistance R 6 contact altogether connect the infrared transmitting tube D1 input utmost point, infrared transmitting tube D1 output stage connects triode Q1 collector, triode Q1 grounded emitter, resistance R 5 and resistance R 6 output stages contact altogether connect the infrared transmitting tube D2 input utmost point, infrared transmitting tube D2 output stage connects triode Q2 collector, and two base stages of triode Q1 and triode Q2 are another utmost point of contact connecting resistance R9 altogether.8 pin connecting resistance R1, one utmost point of 555 chip U1 of low- frequency channel 11,7 pin of resistance R 1 another utmost point connecting resistance R2 one utmost point and 555 chip U1, resistance R 2 another utmost points connect 2 pin, 6 pin and capacitor C 2 positive poles of 555 chip U1,5 pin of 555 chip U1 connect capacitor C 1 one utmost points, and capacitor C 1 another utmost point connects 1 pin and capacitor C 2 negative poles of 555 chip U1.8 pin connecting resistance R3, one utmost point of high-frequency circuit (12) 555 chip U2, resistance R 3 another utmost points connect 7 pin and resistance R 4 one utmost points of 555 chip U2, resistance R 4 another utmost points connect 6 pin of 555 chip U2 and 2 pin, capacitor C 4 another utmost points, 5 pin of 555 chip U2 connect capacitor C 3 one utmost points, and capacitor C 3 another utmost points connect 1 pin and capacitor C 4 one utmost points of 555 chip U2.
Claims (5)
1, a kind of infrared launcher of vehicle safety early warning system, by power circuit (9), infrared emission circuit (10), low-frequency channel (11), high-frequency circuit (12) is formed, it is characterized in that a utmost point of the capacitor C 6 of power circuit (9) connects the ground wire of infrared emission circuit (10), another utmost point connects the resistance R 5 of infrared emission circuit (10), resistance R 6, resistance R 7, resistance R 8 inputs are contact extremely altogether, the resistance R 5 of infrared emission circuit (10), resistance R 6, resistance R 7, resistance R 8 inputs extremely are total to 8 pin and 4 pin that contact meets 555 chip U1 of low-frequency channel (11), and 8 pin of 555 chip U2 of high-frequency circuit (12), one utmost point of the resistance R 9 of infrared emission circuit (10) connects 3 pin of 555 chip U2 of high-frequency circuit (12), and 1 pin of 555 chip U1 of low-frequency channel (11) connects 1 pin and infrared emission circuit (10) ground wire of 555 chip U2 of high-frequency circuit (12), 3 pin connect 4 pin of 555 chip U2 of high-frequency circuit (12).
2, the infrared launcher of a kind of vehicle safety early warning system according to claim 1, the capacitor C 6 one that it is characterized in that power circuit (9) connects 2 pin of regulator block 7805 and 3 pin that capacitor C 5 negative poles, another utmost point connect regulator block 7805 extremely altogether, 1 pin of regulator block 7805 connects capacitor C 5 anodal and resistance R 10 1 utmost points, and resistance R 10 another utmost points meet input power supply VCC.
3, the infrared launcher of a kind of vehicle safety early warning system according to claim 1, it is characterized in that the resistance R 5 of infrared emission circuit (10) and the common contact of output stage of resistance R 6 connect the infrared transmitting tube D1 input utmost point, infrared transmitting tube D1 output stage connects triode Q1 collector, triode Q1 grounded emitter, resistance R 5 and resistance R 6 output stages contact altogether connect the infrared transmitting tube D2 input utmost point, infrared transmitting tube D2 output stage connects triode Q2 collector, and two base stages of triode Q1 and triode Q2 are another utmost point of contact connecting resistance R9 altogether.
4, the infrared launcher of a kind of vehicle safety early warning system according to claim 1,8 pin connecting resistance R1, one utmost point that it is characterized in that 555 chip U1 of low-frequency channel (11), 7 pin of resistance R 1 another utmost point connecting resistance R2 one utmost point and 555 chip U1, resistance R 2 another utmost points connect 2 pin, 6 pin and capacitor C 2 positive poles of 555 chip U1,5 pin of 555 chip U1 connect capacitor C 1 one utmost points, and capacitor C 1 another utmost point connects 1 pin and capacitor C 2 negative poles of 555 chip U1.
5, the infrared launcher of a kind of vehicle safety early warning system according to claim 1,8 pin connecting resistance R3, one utmost point that it is characterized in that high-frequency circuit (12) 555 chip U2, resistance R 3 another utmost points connect 7 pin and resistance R 4 one utmost points of 555 chip U2, resistance R 4 another utmost points connect 6 pin of 555 chip U2 and 2 pin, capacitor C 4 another utmost points, 5 pin of 555 chip U2 connect capacitor C 3 one utmost points, and capacitor C 3 another utmost points connect 1 pin and capacitor C 4 one utmost points of 555 chip U2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820099798XU CN201251850Y (en) | 2008-08-26 | 2008-08-26 | Infrared emission device of car safety warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820099798XU CN201251850Y (en) | 2008-08-26 | 2008-08-26 | Infrared emission device of car safety warning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201251850Y true CN201251850Y (en) | 2009-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820099798XU Expired - Lifetime CN201251850Y (en) | 2008-08-26 | 2008-08-26 | Infrared emission device of car safety warning system |
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| Country | Link |
|---|---|
| CN (1) | CN201251850Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930681A (en) * | 2012-10-25 | 2013-02-13 | 成都江法科技有限公司 | Infrared safety protection alarm device |
-
2008
- 2008-08-26 CN CNU200820099798XU patent/CN201251850Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930681A (en) * | 2012-10-25 | 2013-02-13 | 成都江法科技有限公司 | Infrared safety protection alarm device |
| CN102930681B (en) * | 2012-10-25 | 2015-07-01 | 成都江法科技有限公司 | Infrared safety protection alarm device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090603 |
|
| CX01 | Expiry of patent term |