CN201126109Y - Novel key buckle LED currency examine electric torch - Google Patents
Novel key buckle LED currency examine electric torch Download PDFInfo
- Publication number
- CN201126109Y CN201126109Y CNU2007200586776U CN200720058677U CN201126109Y CN 201126109 Y CN201126109 Y CN 201126109Y CN U2007200586776 U CNU2007200586776 U CN U2007200586776U CN 200720058677 U CN200720058677 U CN 200720058677U CN 201126109 Y CN201126109 Y CN 201126109Y
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- triode
- currency examine
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Abstract
The utility model discloses a new-style key chain LED counterfeit money detecting flashlight, comprising a rechargeable battery, a lamp, a counterfeit money detecting light and a controller; the counterfeit money detecting flashlight is provided with a charging interface; the controller comprises a charging circuit, a voltage booster circuit, a change over switch and a control circuit; one button is installed on the counterfeit money detecting flashlight for switch between the lamp and the counterfeit money detecting light, so as to avoid unnecessary expense caused by touching the switch during carrying process. The utility model has simple structure, good appearance, low use cost and good use effect with market competition ability in terms of cost performance, so that utility model is convenient for the user.
Description
Technical field
The utility model relates to a kind of currency examine flashlight, particularly a kind of usefulness switch control currency examine lamp and illuminating lamp, and the key ring LED currency examine flashlight that can charge.
Background technology
Flashlight can satisfy that people work in the various dark surrounds of indoor and outdoor and life aspect the emergency lighting needs, and counterfeit money is because modern superb emulation fraud technology, make people be difficult to light and remove to discern fully the counterfeit money of handling in the circulation to have illumination, cash examining function and easy to carry, practical key ring LED currency examine flashlight and be widely used as a kind of with naked eyes.But present key ring LED currency examine flashlight, shortcoming first flashlight is provided with and controls currency examine lamp and two switches of illuminating lamp respectively, because the volume of key ring LED currency examine flashlight own is little, on limited space, place two switches, increase processing and mounting hardness, and influenced integral aesthetic property; It two is in the process of carrying, and is easy to run into switch, and the LED lamp is opened, and causes the unnecessary electricity waste; It three is that present key ring LED currency examine flashlight adopts disposable battery, needs to change battery after battery electric quantity uses up, the use cost height.As seen by above-mentioned, key ring LED currency examine flashlight in the market lacks the market competitiveness aspect cost performance, can not finely satisfy consumer's needs.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of simple in structure, novel key ring LED currency examine flashlight that result of use is good.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of novel key ring LED currency examine flashlight comprises battery, illuminating lamp, currency examine lamp and controller, and described battery is a rechargeable battery; Described currency examine flashlight is provided with charging inlet; Described controller comprises charging circuit, booster circuit, change-over switch and control circuit, described charging inlet connects charging circuit, be connected the booster circuit input by change-over switch after described battery and the charging circuit parallel connection, booster circuit is given control circuit, illuminating lamp and the power supply of currency examine lamp, and control circuit connects illuminating lamp and currency examine lamp.
In addition, further, described charging circuit is the anti-antipole input constant-current charge circuit that is made of first diode, first triode, second triode and three-terminal voltage-stabilizing benchmark; The emitter stage of first triode connects second transistor base and voltage stabilizing reference input.Described booster circuit is the power supply booster circuit that is made of power supply chip, inductance, the 3rd diode, a termination inductance after power supply chip and the 3rd diode parallel connection, another termination illuminating lamp, currency examine lamp and control circuit.An end that is connected control circuit after power supply chip and the 3rd diode parallel connection is parallel with the 3rd polar capacitor, and the negative pole of the 3rd polar capacitor connects power cathode.Control circuit comprises control chip, the 4th triode and the 5th triode, and the control chip input end of clock is connected to second polar capacitor, and the negative pole of second polar capacitor connects power cathode; The control chip output connects the base stage of the 4th triode and the 5th triode respectively, and the colelctor electrode of the 4th triode and the 5th triode connects booster circuit, and the emitter stage of the 4th triode and the 5th triode connects currency examine lamp and illuminating lamp respectively.
The beneficial effects of the utility model are: key ring LED currency examine flashlight of the present utility model is provided with charging inlet, and the battery of employing is a rechargeable battery, has reduced use cost; Controller comprises change-over switch and control circuit, only is provided with a button on the currency examine flashlight, just can switch between illuminating lamp and currency examine lamp by button; Solved and in the process of carrying, run into switch, caused unnecessary waste.The utility model input voltage is at 5V-12V, available handsets charger, computer USB interface, automobile 12V power supply, etc. the dc source of 5V-12V charge, charging modes is flexible, convenient, simple in structure, good looking appearance, result of use is good, aspect cost performance, have the market competitiveness, can bring convenience to the user.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model;
Fig. 3 is a schematic appearance of the present utility model;
Fig. 4 is another schematic appearance of the present utility model.
The specific embodiment
Referring to figs. 1 through Fig. 4, a kind of novel key ring LED currency examine flashlight comprises battery 2, illuminating lamp 6, currency examine lamp 7 and controller, and described battery 2 is rechargeable batteries; Described currency examine flashlight is provided with charging inlet J1; Described controller comprises charging circuit 1, booster circuit 3, change-over switch 4 and control circuit 5, described charging inlet connects charging circuit, described battery 2 is connected booster circuit 3 inputs with charging circuit 1 back in parallel by change-over switch 4, booster circuit 3 is given control circuit 5, illuminating lamp 6 and 7 power supplies of currency examine lamp, and control circuit 5 connects illuminating lamp 6 and currency examine lamp 7.
Described booster circuit 3 is the power supply booster circuits that are made of power supply chip IC2, inductance L 1, the 3rd diode D3, a termination inductance L 1 after power supply chip IC2 and the 3rd diode D3 parallel connection, another termination illuminating lamp 6, currency examine lamp 7 and control circuit 5 boost to the 1.2V of battery the LED operating voltage of 4V.
An end that is connected control circuit 5 after power supply chip IC2 and the 3rd diode D3 parallel connection is parallel with the 3rd polar capacitor C3, and the negative pole of the 3rd polar capacitor C3 connects power cathode.
Control circuit comprises control chip IC1, the 4th triode Q4 and the 5th triode Q5, and control chip IC1 input end of clock is connected to the second polar capacitor C2, and the negative pole of the second polar capacitor C2 connects power cathode; Control chip IC1 output connects the base stage of the 4th triode Q4 and the 5th triode Q5 respectively, the emitter stage that the colelctor electrode of the 4th triode Q4 and the 5th triode Q5 meets booster circuit 3, the four triode Q4 and the 5th triode Q5 connects currency examine lamp 7 and illuminating lamp 6 respectively.
The utility model adopts illumination LED D6, LED D7 and three groups of illuminating lamps of LED D8, has increased irradiation brightness.Connect enough charging indicator light light emitting diode D2 in the circuit, can make things convenient for the user to charge.Shell at the currency examine flashlight is provided with suppending hole 8, and is easy to carry.
In use, 14 pin of control chip IC1 receive the pulsatile once signal when switch S 1 is connected for the first time, and at this moment 3 pin of control chip IC1 are high level, and 2 pin are low level, the 5th triode Q5 conducting, illumination LED D6, LED D7 and LED D8 work.The second polar capacitor C2 has discharged and the second polar capacitor C3 can keep control chip IC1 power supply power supply more than 5 seconds immediately when switch S 1 switch disconnects, 14 pin of control chip IC1 received that this 2 pin of control chip IC1 of pulse signal for the second time become high level, 3 pin become low level the 4th triode Q4 conducting, currency examine LED D5 work when the S1 switch was connected in 5 seconds once more, whenever press once, finish once conversion, so cycling, can between illuminating lamp and currency examine lamp, switch, simple, convenient.
The model of the voltage stabilizing benchmark Q3 that the utility model adopts is TL431; the model of power supply chip IC2 is BL8530-401; the model of control chip IC1 is 4017; can certainly be the chip or the circuit of the identical or similar functions of having of other; so long as the equalization of doing according to protection domain of the present utility model modifies and change, all still belong in the scope that the invention contains.
Claims (5)
1, a kind of novel key ring LED currency examine flashlight comprises battery (2), illuminating lamp (6), currency examine lamp (7) and controller, it is characterized in that described battery (2) is a rechargeable battery; Described currency examine flashlight is provided with charging inlet (J1); Described controller comprises charging circuit (1), booster circuit (3), change-over switch (4) and control circuit (5), described charging inlet (J1) connects charging circuit (1), described battery (2) is connected booster circuit (3) input with charging circuit (1) back in parallel by change-over switch (4), booster circuit (3) is given control circuit (5), illuminating lamp (6) and currency examine lamp (7) power supply, and control circuit (5) connects illuminating lamp (6) and currency examine lamp (7).
2, a kind of novel key ring LED currency examine flashlight according to claim 1 is characterized in that described charging circuit (1) is the anti-antipole input constant-current charge circuit that is made of first diode (D1), first triode (Q1), second triode (Q2) and three-terminal voltage-stabilizing benchmark (Q3); The emitter stage of first triode (Q1) connects second triode (Q2) base stage and voltage stabilizing benchmark (Q3) reference input.
3, a kind of novel key ring LED currency examine flashlight according to claim 1, it is characterized in that described booster circuit (3) is the power supply booster circuit that is made of power supply chip (IC2), inductance (L1), the 3rd diode (D3), power supply chip (IC2) and the 3rd diode (D3) back in parallel one termination inductance (L1), another termination illuminating lamp (6), currency examine lamp (7) and control circuit (5).
4, a kind of novel key ring LED currency examine flashlight according to claim 3, it is characterized in that the end that power supply chip (IC2) and the 3rd diode (D3) back in parallel is connected control circuit (5) is parallel with the 3rd polar capacitor (C3), the negative pole of the 3rd polar capacitor (C3) connects power cathode.
5, a kind of novel key ring LED currency examine flashlight according to claim 1, it is characterized in that control circuit comprises control chip (IC1), the 4th triode (Q4) and the 5th triode (Q5), control chip (IC1) input end of clock is connected to second polar capacitor (C2), and the negative pole of second polar capacitor (C2) connects power cathode; Control chip (IC1) output connects the base stage of the 4th triode (Q4) and the 5th triode (Q5) respectively, the colelctor electrode of the 4th triode (Q4) and the 5th triode (Q5) connects booster circuit (3), and the emitter stage of the 4th triode (Q4) and the 5th triode (Q5) connects currency examine lamp (7) and illuminating lamp (6) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200586776U CN201126109Y (en) | 2007-10-25 | 2007-10-25 | Novel key buckle LED currency examine electric torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200586776U CN201126109Y (en) | 2007-10-25 | 2007-10-25 | Novel key buckle LED currency examine electric torch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201126109Y true CN201126109Y (en) | 2008-10-01 |
Family
ID=39999578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200586776U Expired - Fee Related CN201126109Y (en) | 2007-10-25 | 2007-10-25 | Novel key buckle LED currency examine electric torch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201126109Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769958A (en) * | 2012-08-13 | 2012-11-07 | 巢湖市金鼎盛电子灯饰有限公司 | Low-voltage power supply high-voltage series-connection lamp bunch circuit |
| CN103903484A (en) * | 2014-02-27 | 2014-07-02 | 中山市智慧立方电子科技有限公司 | Standby chargeable wireless learning machine with notebook |
-
2007
- 2007-10-25 CN CNU2007200586776U patent/CN201126109Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769958A (en) * | 2012-08-13 | 2012-11-07 | 巢湖市金鼎盛电子灯饰有限公司 | Low-voltage power supply high-voltage series-connection lamp bunch circuit |
| CN102769958B (en) * | 2012-08-13 | 2015-09-23 | 巢湖市金鼎盛电子灯饰有限公司 | The high-pressure series lamp string circuit of low-voltage power supply |
| CN103903484A (en) * | 2014-02-27 | 2014-07-02 | 中山市智慧立方电子科技有限公司 | Standby chargeable wireless learning machine with notebook |
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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: 20081001 Termination date: 20091125 |