CN2456250Y - Light electronic purse against thieves - Google Patents
Light electronic purse against thieves Download PDFInfo
- Publication number
- CN2456250Y CN2456250Y CN 00266276 CN00266276U CN2456250Y CN 2456250 Y CN2456250 Y CN 2456250Y CN 00266276 CN00266276 CN 00266276 CN 00266276 U CN00266276 U CN 00266276U CN 2456250 Y CN2456250 Y CN 2456250Y
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- CN
- China
- Prior art keywords
- triode
- wallet
- power supply
- utility
- model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an optoelectronic anti-theft purse which utilizes optoelectronic technology to prevent bank notes from being stolen. The utility model comprises a purse body. The utility model is characterized in that an anti-theft alarm device is arranged in the purse body and formed by that two triode transistors form a composite amplifier tube. A photoresistor and an oscillator are respectively connected between the base electrode of the composite amplifier tube and the positive electrode of a power supply as well as between the collecting electrode of the composite amplifier tube and the positive electrode of the power supply; a buzzer is also connected between output feet of the oscillator. The base electrode and the emitter electrode of the composite amplifier tube are connected with the negative electrode of the power supply. The utility model is hard stolen by thieves and can not bring economic loss to users.
Description
The utility model relates to a kind of leather wallet of depositing banknote.Specifically, be a kind of stolen antitheft wallet of photoelectron of photoelectric technology prevention banknote that utilizes.
At present, the wallet that people are used, no anti-theft alarm function goes out to handle affairs or during shopping, easily Bei Qie ?steal, cause economic loss to the user.
The purpose of this utility model is to provide a kind of photoelectron antitheft wallet.This wallet, be difficult for Bei Qie ?steal, can not cause economic loss to the user.
For achieving the above object, the utility model adopts following technical solution:
The antitheft wallet of photoelectron of the present utility model comprises the wallet body, is characterized in being equipped with in the wallet body photoelectric alarm device.This photoelectric alarm device has two triode VT1 and VT, and the base stage of the emitter of triode VT1 and triode VT2 is joined, and the collector of two triodes links to each other; Be connected to photoresistance RG between the positive pole of the base stage of triode VT1 and power supply U.1 pin of oscillator IC and 2 pin join with the positive pole of power supply and the collector of two triode VT1 and VT2 respectively, 3, are connected to hummer HTP between 4 pin.The emitter of triode VT2 links to each other with the negative pole of power supply U.Said burglar alarm is installed in the one side inboard of wallet body, is processed with mounting hole 2 and 3 on this face of wallet body, and said photoresistance RG and hummer HTP are the exposure shape respectively and are installed in this two mounting hole.
Owing to anti-theft device is installed in the antitheft wallet of photoelectron of the present utility model, and it simultaneously is processed with three mounting holes, and the photoresistance in the anti-theft device, hummer and switch are respectively and expose shape and be installed in three mounting holes.In the time of in wallet is in pocket or in the handbag, since dull thread in pocket and the bag, the irradiation of photoresistance dull thread, its resistance has tens megaohms, and the triode in the warning device can not get upper offset voltage, is in cut-off state, oscillator can not be worked, and hummer is mute.But when the burglar steals wallet, wallet must be taken out from stolen person's pocket or bag.Wallet is in case take out in pocket or bag, and the photoresistance in its burglar alarm will be subjected to irradiate light, and the resistance of photoresistance diminishes at once, makes compound transistor obtain upper offset voltage and enters saturated magnifying state, and oscillator gets electric work.The audio voltage that oscillator produces makes hummer send chimes of doom, gives the user with caution.Thereby prevented that effectively wallet is stolen.
Below in conjunction with accompanying drawing the utility model is described in further detail:
Fig. 1 is the antitheft wallet synoptic diagram of photoelectron of the present utility model;
Fig. 2 is the burglar alarm electrical schematic diagram of the antitheft wallet of photoelectron of the present utility model.
See Fig. 1, Fig. 2, the antitheft wallet of photoelectron of the present utility model comprises wallet body 1, and a burglar alarm is installed in the wallet body 1.Burglar alarm contains triode VT1 and triode VT2, and the collector of this two triode is connected, and the emitter of triode VT1 links to each other with the base stage of triode VT2, constitutes the complex pipe of high-amplification-factor.Be connected to photoresistance RG between the base stage of triode VT1 and the positive pole of power supply.The collector of two triode VT1 and VT2 is connected on 2 pin of oscillator IC, and 1 pin of oscillator IC is connected on the positive pole of power supply.Be connected to K switch between the positive pole of photoresistance RG and oscillator IC and power supply.K switch wherein is a microswitch, and power supply U is the button-type battery.Be connected to hummer HTP between 3 pin of oscillator IC and 4 pin.As required, also can between the emitter of the base stage of triode VT1 and triode VT2, be connected in series biasing resistor R.
The one side of wallet body 1 is processed with three mounting holes 2,3 and 4, and photoresistance RG, hummer HTP and K switch are the exposure shape respectively and are installed in these three mounting holes.
In the time of in wallet is in pocket or bag, do not have irradiate light by thereon photoresistance RG, its resistance has tens megaohms, and at this moment triode VT1 and VT2 can not get upper offset voltage, are in cut-off state, and oscillator IC does not work, and hummer HTP is mute.When the burglar took out wallet in pocket or bag, photoresistance RG was subjected to the irradiation of light, and its resistance diminishes at once, and the compositing amplification tube that triode VT1 and triode VT2 are formed obtains upper offset voltage, and enters saturated magnifying state.Meanwhile, oscillator IC gets electric work.The audio voltage that oscillator IC produces makes hummer send chimes of doom.Thereby, can prevent anti-wallet stolen.
Claims (3)
1. the antitheft wallet of photoelectron comprises wallet body (1), it is characterized in that in the wallet body (1) the photoelectric alarm device being installed.
2. the antitheft wallet of photoelectron according to claim 1 is characterized in that said photoelectric alarm device has two triodes (VT1 and VT2), and the base stage of the emitter of triode (VT1) and triode (VT2) is joined, and the collector of two triodes links to each other; Be connected to photoresistance (RG) between the positive pole of the base stage of triode (VT1) and power supply (U); 1 pin of oscillator (IC) and 2 pin join with the positive pole of power supply and the collector of two triodes (VT1 and VT2) respectively, 3, are connected to hummer (HTP) between 4 pin; The emitter of triode (VT2) links to each other with the negative pole of power supply (U); Said burglar alarm is installed in the one side inboard of wallet body (1), is processed with mounting hole (2 and 3) on this face of wallet body (1), and said photoresistance (RG) and hummer (HTP) are the exposure shape respectively and are installed in this mounting hole.
3. antitheft wallet according to claim 2 is characterized in that being connected to below-center offset resistance (R) between the emitter of triode (VT1) and triode (VT2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00266276 CN2456250Y (en) | 2000-12-28 | 2000-12-28 | Light electronic purse against thieves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00266276 CN2456250Y (en) | 2000-12-28 | 2000-12-28 | Light electronic purse against thieves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2456250Y true CN2456250Y (en) | 2001-10-24 |
Family
ID=33620403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00266276 Expired - Fee Related CN2456250Y (en) | 2000-12-28 | 2000-12-28 | Light electronic purse against thieves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2456250Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134305A (en) * | 2014-07-18 | 2014-11-05 | 青岛歌尔声学科技有限公司 | Alarm method and alarm device based on optical sensor and magnetic inductor |
| CN105533981A (en) * | 2015-12-18 | 2016-05-04 | 中山市民众镇民众中心小学 | An antitheft wallet |
-
2000
- 2000-12-28 CN CN 00266276 patent/CN2456250Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134305A (en) * | 2014-07-18 | 2014-11-05 | 青岛歌尔声学科技有限公司 | Alarm method and alarm device based on optical sensor and magnetic inductor |
| CN104134305B (en) * | 2014-07-18 | 2016-09-07 | 青岛歌尔声学科技有限公司 | Based on optical sensor and the alarm method of magnetic inductor and device |
| CN105533981A (en) * | 2015-12-18 | 2016-05-04 | 中山市民众镇民众中心小学 | An antitheft wallet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |