CN2666737Y - Self-protecting intelligent flasher - Google Patents
Self-protecting intelligent flasher Download PDFInfo
- Publication number
- CN2666737Y CN2666737Y CN 200320122406 CN200320122406U CN2666737Y CN 2666737 Y CN2666737 Y CN 2666737Y CN 200320122406 CN200320122406 CN 200320122406 CN 200320122406 U CN200320122406 U CN 200320122406U CN 2666737 Y CN2666737 Y CN 2666737Y
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- mouth
- wave oscillator
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- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
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Abstract
The utility model relates to a motor vehicle turn light flasher. The utility model adopts an integrated operational amplifier to comprise a square wave oscillator and a load short-circuit detection unit, wherein, the square wave oscillator is controlled by the load short circuit detection unit, and adopts a voltage-stabilizing unit to provide voltage for the load short circuit detection unit, and adopts a triode as the power output device. The utility model has the advantages of protective function of load short circuit, reliable property and low price.
Description
Technical field
The utility model relates to a kind of steering lamp for motor vehicle Der Blink und Abblendschalter, and the steering indicating light Der Blink und Abblendschalter of autoprotection function is arranged during particularly a kind of load short circuits.
Background technology
At present, the general steering indicating light Der Blink und Abblendschalter of using on the self-propelled vehicle because of there not being load short circuit protection function, easily causes Der Blink und Abblendschalter to damage.In addition, more newly-designed steering indicating light Der Blink und Abblendschalters are though include load short circuit protection function; but its performance is subject to the disturbing influence of mains fluctuations; other electrical part on the car or circuit are also had certain requirement, and price is high again, so use not extensive.
Summary of the invention
The utility model provides the intelligent Der Blink und Abblendschalter of a kind of self-shield that load short circuit protection function is arranged cheap, dependable performance.
Self-shield intelligence Der Blink und Abblendschalter of the present utility model includes a triode switch unit, with exterior steering indicating light and power series; A square-wave oscillator, its mouth links to each other with the triode switch unit, control aerotron break-make; A sample resistance, an end is connected other end ground connection with described triode switch unit; A load short circuits detecting unit, an end links to each other with square-wave oscillator, and the other end is connected between described triode switch unit and the sample resistance; A voltage regulation unit is arranged, for load short circuits detecting unit and square-wave oscillator provide burning voltage, an end ground connection, the other end is connected with positive source by a diode, and diode anode links to each other with positive source.
In the self-shield intelligence Der Blink und Abblendschalter of the present utility model, below can be:
Described voltage regulation unit is made up of capacitor C 1, resistance R 1 and stabilivolt D1, and an end and the positive source of C1 join, other end ground connection; R1 connects with D1, and an end and positive source join, other end ground connection; The contact of R1 and D1 is load short circuits protected location and square-wave oscillator output burning voltage;
Described load short circuits detecting unit is made up of op amp F1 and resistance R 2, R3, R11, R2 connects with R3, one end is connected with the contact of D1 with voltage regulation unit R1, other end ground connection, R2 is connected with the reverse input end 10 of F1 with the contact of R3, sample resistance R11 is connected with F1 positive input 11 with the contact of Q3 collecting electrode, and mouth 2 and the square-wave oscillator of F1 join;
Described square-wave oscillator is made up of op amp F2, diode D3, capacitor C 2, resistance R 5, R6, R7, R8, R9, and diode D3 connects with capacitor C 2, and links to each other other end ground connection by resistance R 4 with the contact of D1 with voltage regulation unit R1; R5 connects with R6, and an end links to each other other end ground connection with voltage regulation unit R1 with the contact of D1; R4 is connected with the mouth 13 of F1 with the contact of D3; D3 is connected with the reverse input end 4 of F2 with the contact of C2; R5 is connected with the positive input 5 of F2 with the contact of R6; R7 is connected across between the positive input 5 and mouth 2 of F2; R8 is connected across between the reverse input end 4 and mouth 2 of F2; R9 is connected across between the mouth 2 of the contact of R1 and D1 and F2;
Described triode switch unit is made up of aerotron Q1, Q2, Q3, and Q1 and Q2 form multiple unit tube, and the Q1 base stage is connected with the mouth 2 of F2 by current-limiting resistance R10, the emitter of Q3 and steering indicating light and power series, and the Q3 collecting electrode is connected with sample resistance R11; And the mouth 2 of square-wave oscillator is connected with the triode switch unit by current-limiting resistance 10.
The utility model is because square-wave oscillator and load short circuits protected location all are to be made of op amp; its circuit is simple, can adopt the general-duty components and parts; and voltage regulation unit can overcome the interference that mains fluctuations cause, for described square-wave oscillator and load short circuits protected location provide burning voltage.So its with low cost, reliable in function.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is an embodiment circuit diagram of the present utility model.
In the utility model; described voltage regulation unit is made up of capacitor C 1, resistance R 1 and stabilivolt D1; the contact of R1 and D1 is given described load short circuits protected location and square-wave oscillator output burning voltage, and the effect of D2 is to guarantee that capacitor C 1 is not discharged when aerotron Q3 conducting.
The load short circuits detecting unit is made up of integrated operational amplifier F1 and resistance R 2, R3, R11; under the normal situation of steering indicating light; op amp F1 is output as low level; do not influence the vibration of op amp F2; when load short circuits; flow through the current surge of sample resistance R11; the pressure drop of R11 also increases severely; then F1 is output as high level, and by D2 C2 is carried out fast charge, makes the reverse input end 4 of F2 be high level; the mouth 2 of F2 is a low level; thereby aerotron Q3 is turn-offed, and Q3 is not because of overcurrent damages in protection, reached the purpose of protection.The overload protection size of current is set by the voltage of F1 reverse input end 10.
Square-wave oscillator is made up of op amp F2, diode D3, capacitor C 2, resistance R 5, R6, R7, R8, R9, and the mouth of op amp F2 drives the aerotron break-make by current-limiting resistance R10, thereby makes the steering indicating light flash of light.
The triode switch unit is made up of aerotron Q1, Q2, Q3, and Q1 and Q2 form multiple unit tube, and drives the Q3 break-make.
The specific embodiment
A kind of self-shield intelligence Der Blink und Abblendschalter includes a triode switch unit, with exterior steering indicating light and power series; A square-wave oscillator, its mouth links to each other with the triode switch unit, control triode switch break-make; A sample resistance, an end is connected other end ground connection with described triode switch unit; A load short circuits detecting unit, an end links to each other with square-wave oscillator, and the other end is connected between described triode switch unit and the sample resistance; It is characterized in that: also have a voltage regulation unit to provide burning voltage for load short circuits detecting unit and square-wave oscillator, an end ground connection, the other end is connected with positive source by a diode, and diode anode links to each other with positive source; And a current-limiting resistance is connected between described square-wave oscillator and the triode switch unit.
Described voltage regulation unit can provide burning voltage for load short circuits detecting unit and square-wave oscillator, can overcome the interference that causes because of mains fluctuations;
The triode switch unit is and exterior steering indicating light and power series, as the power output unit, under the control of square wave, to the steering indicating light horsepower output; Described square-wave oscillator is used to produce square-wave signal, and its mouth links to each other with the triode switch unit by a current-limiting resistance R10, and square-wave signal amplifies by the multiple unit tube that Q1 and Q2 form, and drives aerotron Q3 break-make then; Described sample resistance R11, an end is connected other end ground connection with described triode switch unit; Described load short circuits detecting unit; one end is connected between described triode switch unit and the sample resistance; obtain sampling voltage from sample resistance R11; one end links to each other with square-wave oscillator; the output of controlling party wave oscillator when the steering indicating light short circuit, quits work square-wave oscillator; then aerotron Q3 ends, thereby plays the circuit protection effect.
Claims (7)
1. a self-shield intelligence Der Blink und Abblendschalter comprises a triode switch unit, with exterior steering indicating light and power series; A square-wave oscillator, its mouth links to each other with the triode switch unit, control aerotron break-make; A sample resistance, an end is connected other end ground connection with described triode switch unit; A load short circuits detecting unit, an end links to each other with square-wave oscillator, and the other end is connected between described triode switch unit and the sample resistance; It is characterized in that: voltage regulation unit provides burning voltage for load short circuits detecting unit and square-wave oscillator, an end ground connection, and the other end is connected with positive source by a diode, and diode anode links to each other with positive source.
2. self-shield intelligence Der Blink und Abblendschalter according to claim 1, it is characterized in that: described voltage regulation unit is made up of capacitor C 1, resistance R 1 and stabilivolt D1, and an end and the positive source of C1 join, other end ground connection; R1 connects with D1, and an end and positive source join, other end ground connection; The contact of R1 and D1 is load short circuits protected location and square-wave oscillator output burning voltage.
3. self-shield intelligence Der Blink und Abblendschalter according to claim 1 and 2; it is characterized in that: described load short circuits detecting unit is made up of op amp F1 and resistance R 2, R3, R11; R2 connects with R3; one end is connected with the contact of D1 with voltage regulation unit R1; other end ground connection; R2 is connected with the reverse input end 10 of F1 with the contact of R3, and sample resistance R11 is connected with the positive input 11 of F1 with the contact of Q3 collecting electrode, and mouth and the square-wave oscillator of F1 join.
4. self-shield intelligence Der Blink und Abblendschalter according to claim 1 and 2, it is characterized in that: described square-wave oscillator is made up of op amp F2, diode D3, capacitor C 2, resistance R 5, R6, R7, R8, R9, diode D3 connects with capacitor C 2, and link to each other other end ground connection with the contact of D1 with voltage regulation unit R1 by resistance R 4; R5 connects with R6, and an end links to each other other end ground connection with voltage regulation unit R1 with the contact of D1; R4 is connected with the mouth 13 of F1 with the contact of D3; D3 is connected with the reverse input end 4 of F2 with the contact of C2; R5 is connected with the positive input 5 of F2 with the contact of R6; R7 is connected across between the positive input 5 and mouth 2 of F2; R8 is connected across between the negative input 4 and mouth 2 of F2; R9 is connected across between the mouth 2 of the contact of R1 and D1 and F2.
5. self-shield intelligence Der Blink und Abblendschalter according to claim 1 and 2; it is characterized in that: described triode switch unit is made up of aerotron Q1, Q2, Q3; Q1 and Q2 form multiple unit tube; the Q1 base stage is connected with the mouth 2 of F2 by current-limiting resistance R1 0; the Q3 base stage is connected with the collecting electrode of multiple unit tube; the emitter of Q3 and steering indicating light and power series, the Q3 collecting electrode is connected with sample resistance R11.
6. self-shield intelligence Der Blink und Abblendschalter according to claim 1 and 2, it is characterized in that: the mouth of described square-wave oscillator is connected with the triode switch unit by current-limiting resistance.
7. self-shield intelligence Der Blink und Abblendschalter according to claim 5, it is characterized in that: the mouth of described square-wave oscillator connects the triode switch unit by current-limiting resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320122406 CN2666737Y (en) | 2003-12-11 | 2003-12-11 | Self-protecting intelligent flasher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320122406 CN2666737Y (en) | 2003-12-11 | 2003-12-11 | Self-protecting intelligent flasher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2666737Y true CN2666737Y (en) | 2004-12-29 |
Family
ID=34348626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320122406 Expired - Fee Related CN2666737Y (en) | 2003-12-11 | 2003-12-11 | Self-protecting intelligent flasher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2666737Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116327589A (en) * | 2023-05-25 | 2023-06-27 | 无锡佳健医疗器械股份有限公司 | Electronic acupuncture therapeutic instrument with output short circuit detection function and detection method |
-
2003
- 2003-12-11 CN CN 200320122406 patent/CN2666737Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116327589A (en) * | 2023-05-25 | 2023-06-27 | 无锡佳健医疗器械股份有限公司 | Electronic acupuncture therapeutic instrument with output short circuit detection function and detection method |
| CN116327589B (en) * | 2023-05-25 | 2023-09-19 | 无锡佳健医疗器械股份有限公司 | Electronic acupuncture therapeutic instrument with output short circuit detection function and detection method |
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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: 20041229 Termination date: 20100111 |