CN204291478U - A kind of computer camera light compensating lamp based on not circuit - Google Patents
A kind of computer camera light compensating lamp based on not circuit Download PDFInfo
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- CN204291478U CN204291478U CN201420740726.4U CN201420740726U CN204291478U CN 204291478 U CN204291478 U CN 204291478U CN 201420740726 U CN201420740726 U CN 201420740726U CN 204291478 U CN204291478 U CN 204291478U
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- potentiometer
- gate
- triode
- light compensating
- resistor
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Abstract
The utility model discloses a kind of computer camera light compensating lamp based on not circuit, comprise battery, switch, the first resistor to the 7th resistor, the first potentiometer to the 5th potentiometer, the first triode to the 4th triode, the first light compensating lamp to the 4th light compensating lamp and the first not gate to the 6th not gate.Switch closes, whole circuit ON, after oscillating circuit energising, and output low frequency oscillator signal.This oscillating signal, after the 3rd not gate to the anti-phase process of the 6th not gate, adds to the base stage of the first triode to the 4th triode through the first potentiometer to the 4th potentiometer respectively, makes the first light compensating lamp luminous to the 4th light compensating lamp alternate conduction.Compared with prior art, the utility model adopts six non-gate control light compensating lamps, have circuit structure simple, adopt electronic component few, control convenient, with low cost, there is the value promoted the use of.
Description
Technical field
The utility model relates to a kind of computer peripheral auxiliary equipment, particularly relates to a kind of computer camera light compensating lamp based on not circuit.
Background technology
Computer camera is very common a kind of computer input apparatus, and this equipment is fuzzy at the situation hypograph that light is very dark, therefore adopt light filling technology, and the circuit structure of computer camera light compensating lamp of the prior art is complicated, employing electronic component is many, cost is high, is difficult to popularize.
Utility model content
The purpose of this utility model is just to provide a kind of computer camera light compensating lamp based on not circuit to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises battery, switch, first resistor is to the 7th resistor, first potentiometer is to the 5th potentiometer, first triode is to the 4th triode, first light compensating lamp is to the 4th light compensating lamp and the first not gate to the 6th not gate, the positive pole of described battery is connected with the first end of described switch, second end of described switch respectively with the first end of described first resistor, the first end of described 4th resistor, the first end of described 5th resistor, the first end of described 6th resistor is connected with the first end of described 7th resistor, second end of described first resistor is connected with described power end, the output of described first not gate respectively with the input of described second not gate, the first end of described 3rd resistor, the first end of described 5th potentiometer connects, the output of described second not gate respectively with the second end of described 5th potentiometer, the sliding end of described 5th potentiometer, the input of described first not gate, the input of described 3rd not gate is connected with the first end of described second resistor, second end of described 3rd resistor is connected with the second end of described second resistor and the input of described 5th not gate respectively, the output of described 3rd not gate is connected with the input of described 6th not gate and the first end of described first potentiometer respectively, the output of described 6th not gate is connected with the first end of described second potentiometer, the output of described 5th not gate is connected with the first end of described 3rd potentiometer and the input of described 4th not gate respectively, the output of described 4th not gate is connected with the first end of described 4th potentiometer, second end of described 4th resistor is connected with the first end of described first light compensating lamp, second end of described 5th resistor is connected with the first end of described second light compensating lamp, second end of described 6th resistor is connected with the first end of described 3rd light compensating lamp, second end of described 7th resistor is connected with the first end of described 4th light compensating lamp, second end of described first light compensating lamp is connected with the collector electrode of described first triode, second end of described second light compensating lamp is connected with the collector electrode of described second triode, second end of described 3rd light compensating lamp is connected with the collector electrode of described 3rd triode, second end of described 4th light compensating lamp is connected with the collector electrode of described 4th triode, the base stage of described first triode is connected with the second end of described first potentiometer and the sliding end of described first potentiometer respectively, the base stage of described second triode is connected with the second end of described second potentiometer and the sliding end of described second potentiometer respectively, the base stage of described 3rd triode is connected with the second end of described 3rd potentiometer and the sliding end of described 3rd potentiometer respectively, the base stage of described 4th triode is connected with the second end of described 4th potentiometer and the sliding end of described 4th potentiometer respectively, the emitter of described 4th triode respectively with the emitter of described 3rd triode, the emitter of described second triode, the emitter of described first triode, described earth terminal is connected with the negative pole of described battery.
The beneficial effects of the utility model are:
The utility model is a kind of computer camera light compensating lamp based on not circuit, compared with prior art, the utility model adopts six non-gate control light compensating lamps, have circuit structure simple, adopt electronic component few, control convenient, with low cost, there is the value promoted the use of.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises battery E, K switch, first resistor R1 is to the 7th resistor R7, first potentiometer RP1 is to the 5th potentiometer RP5, first triode VT1 is to the 4th triode VT4, first light compensating lamp H1 to the 4th light compensating lamp H4 and the first not gate D1 is to the 6th not gate D6, the positive pole of battery E is connected with the first end of K switch, second end of K switch respectively with the first end of the first resistor R1, the first end of the 4th resistor R4, 5th resistor R5 first end, the first end of the 6th resistor R6 is connected with the first end of the 7th resistor R7, second end of the first resistor R1 is connected with power end, the output of the first not gate D1 respectively with the input of the second not gate D2, the first end of the 3rd resistor R3, the first end of the 5th potentiometer RP5 connects, the output of the second not gate D2 respectively with second end of the 5th potentiometer RP5, the sliding end of the 5th potentiometer RP5, the input of the first not gate D1, the input of the 3rd not gate D3 is connected with the first end of the second resistor R2, second end of the 3rd resistor R3 is connected with second end of the second resistor R2 and the input of the 5th not gate D5 respectively, the output of the 3rd not gate D3 is connected with the input of the 6th not gate D6 and the first end of the first potentiometer RP1 respectively, the output of the 6th not gate D6 is connected with the first end of the second potentiometer RP2, the output of the 5th not gate D5 is connected with the first end of the 3rd potentiometer RP3 and the input of the 4th not gate D4 respectively, the output of the 4th not gate D4 is connected with the first end of the 4th potentiometer RP4, second end of the 4th resistor R4 is connected with the first end of the first light compensating lamp H1, second end of the 5th resistor R5 is connected with the first end of the second light compensating lamp H2, second end of the 6th resistor R6 is connected with the first end of the 3rd light compensating lamp H3, second end of the 7th resistor R7 is connected with the first end of the 4th light compensating lamp H4, second end of the first light compensating lamp H1 is connected with the collector electrode of the first triode VT1, second end of the second light compensating lamp H2 is connected with the collector electrode of the second triode VT2, second end of the 3rd light compensating lamp H3 is connected with the collector electrode of the 3rd triode VT3, second end of the 4th light compensating lamp H4 is connected with the collector electrode of the 4th triode VT4, the base stage of the first triode VT1 is connected with second end of the first potentiometer RP1 and the sliding end of the first potentiometer RP1 respectively, the base stage of the second triode VT2 is connected with second end of the second potentiometer RP2 and the sliding end of the second potentiometer RP2 respectively, the base stage of the 3rd triode VT3 is connected with second end of the 3rd potentiometer RP3 and the sliding end of the 3rd potentiometer RP3 respectively, the base stage of the 4th triode VT4 is connected with second end of the 4th potentiometer RP4 and the sliding end of the 4th potentiometer RP4 respectively, the emitter of the 4th triode VT4 respectively with the emitter of the 3rd triode VT3, the emitter of the second triode VT2, the emitter of the first triode VT1, earth terminal is connected with the negative pole of battery E.
As shown in Figure 1: six NOT gate chip select CD4069 type six ungated integrated circuit, the first not gate D1 forms six NOT gate chip jointly to the 6th not gate D6, for the ease of expressing circuit structure, by the separately signal of six not gates, and unmarked six NOT gate chip.First not gate D1, the second not gate D2, the 3rd resistor R3 and the 5th potentiometer RP5 form oscillating circuit, and the 3rd not gate D3, the 4th not gate D4, the 5th not gate D5, the 6th not gate D6, the first triode VT1 form light compensating lamp Drive and Control Circuit to the 4th triode VT4 and the first potentiometer RP1 to the 4th potentiometer RP4.K switch closes, whole circuit ON, after oscillating circuit energising, and output low frequency oscillator signal.This oscillating signal is after the anti-phase process of the 3rd not gate D3 to the 6th not gate D6, add to the base stage of the first triode VT1 to the 4th triode VT4 through the first potentiometer RP1 to the 4th potentiometer RP4 respectively, make the first light compensating lamp H1 luminous to the 4th light compensating lamp H4 alternate conduction.
Claims (1)
1. the computer camera light compensating lamp based on not circuit, it is characterized in that: comprise battery, switch, first resistor is to the 7th resistor, first potentiometer is to the 5th potentiometer, first triode is to the 4th triode, first light compensating lamp is to the 4th light compensating lamp and the first not gate to the 6th not gate, the positive pole of described battery is connected with the first end of described switch, second end of described switch respectively with the first end of described first resistor, the first end of described 4th resistor, the first end of described 5th resistor, the first end of described 6th resistor is connected with the first end of described 7th resistor, second end of described first resistor is connected with described power end, the output of described first not gate respectively with the input of described second not gate, the first end of described 3rd resistor, the first end of described 5th potentiometer connects, the output of described second not gate respectively with the second end of described 5th potentiometer, the sliding end of described 5th potentiometer, the input of described first not gate, the input of described 3rd not gate is connected with the first end of described second resistor, second end of described 3rd resistor is connected with the second end of described second resistor and the input of described 5th not gate respectively, the output of described 3rd not gate is connected with the input of described 6th not gate and the first end of described first potentiometer respectively, the output of described 6th not gate is connected with the first end of described second potentiometer, the output of described 5th not gate is connected with the first end of described 3rd potentiometer and the input of described 4th not gate respectively, the output of described 4th not gate is connected with the first end of described 4th potentiometer, second end of described 4th resistor is connected with the first end of described first light compensating lamp, second end of described 5th resistor is connected with the first end of described second light compensating lamp, second end of described 6th resistor is connected with the first end of described 3rd light compensating lamp, second end of described 7th resistor is connected with the first end of described 4th light compensating lamp, second end of described first light compensating lamp is connected with the collector electrode of described first triode, second end of described second light compensating lamp is connected with the collector electrode of described second triode, second end of described 3rd light compensating lamp is connected with the collector electrode of described 3rd triode, second end of described 4th light compensating lamp is connected with the collector electrode of described 4th triode, the base stage of described first triode is connected with the second end of described first potentiometer and the sliding end of described first potentiometer respectively, the base stage of described second triode is connected with the second end of described second potentiometer and the sliding end of described second potentiometer respectively, the base stage of described 3rd triode is connected with the second end of described 3rd potentiometer and the sliding end of described 3rd potentiometer respectively, the base stage of described 4th triode is connected with the second end of described 4th potentiometer and the sliding end of described 4th potentiometer respectively, the emitter of described 4th triode respectively with the emitter of described 3rd triode, the emitter of described second triode, the emitter of described first triode, described earth terminal is connected with the negative pole of described battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420740726.4U CN204291478U (en) | 2014-11-29 | 2014-11-29 | A kind of computer camera light compensating lamp based on not circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420740726.4U CN204291478U (en) | 2014-11-29 | 2014-11-29 | A kind of computer camera light compensating lamp based on not circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204291478U true CN204291478U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420740726.4U Expired - Fee Related CN204291478U (en) | 2014-11-29 | 2014-11-29 | A kind of computer camera light compensating lamp based on not circuit |
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| Country | Link |
|---|---|
| CN (1) | CN204291478U (en) |
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2014
- 2014-11-29 CN CN201420740726.4U patent/CN204291478U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20151129 |