CN2069217U - Touching type theft-proof device - Google Patents
Touching type theft-proof device Download PDFInfo
- Publication number
- CN2069217U CN2069217U CN 90206305 CN90206305U CN2069217U CN 2069217 U CN2069217 U CN 2069217U CN 90206305 CN90206305 CN 90206305 CN 90206305 U CN90206305 U CN 90206305U CN 2069217 U CN2069217 U CN 2069217U
- Authority
- CN
- China
- Prior art keywords
- metal
- comb
- proof device
- wallet
- ticket
- 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 - Lifetime
Links
Abstract
The utility model relates to a touching type theft-proof device which comprises a comb-shaped metal touching plate SN, a switch circuit, a music integrated block, and a loudspeaker. The comb-shaped metal touching plate is made up of a metal film or foil metal, comb teeth are mutually staggered so that the switch circuit can be switched on immediately as long as a human finger touches the comb-typed metal touching plate to trigger the music integrated block form a circuit, an alarm signal is sent out by the loudspeaker. The utility model whose triggering is reliable has the advantage of simple structure and is an effective theft-proof device.
Description
The utility model relates to a kind of touch anti-theft device, is a kind of anti-device of stealing that is installed on wallet, ticket-holder, suitcase and other article.
Being used for the anti-device of stealing has at present occurred a variety of on market.Touch warning device is wherein also arranged.Constitute mainly due to the alarm circuit utmost point of establishing in bonding jumper that is placed in the ticket-holder upper mouth and the ticket-holder and sounding component.When hand touches bonding jumper on wallet, the ticket-holder, touch gauge tap and connect, insert alarm circuit, make sounding component send alarm signal.This device is owing to be only with metal row culture touch mode alarm element, and trigger sensitivity is restricted, and signal strength is not enough under the situation about having, and can not trigger alarm circuit.
The purpose of this utility model is to design a kind of reliable trigger and the sensitive anti-device of stealing.
The utility model touches sheet SN, switch loop (BG1, C1) and music integrated circuit IC by the pectination metal and loudspeaker YD forms.
The pectination metal touch sheet SN by two end points of A, B via lead with place switch loop (BG1, C1) in the small shell and music integrated circuit IC and loudspeaker YD communicate.
The pectination metal touches sheet SN and forms (or the paper tinsel metal constitutes) by the metal film compacting, and broach that communicates with terminal A and the broach teeth that communicate with terminal B are staggered.The common point of its C1 of switch loop that is made up of BG1, C1 and the emitter stage of BG1 joins by node 3 and IC loop, the colelctor electrode of its BG1 joins by the other end in node 2 and IC loop, when people's finger touch when metal touches any point on the sheet SN, human body resistance inserts and starts transistor BG1 between the base stage of BG1 and the colelctor electrode and the music integrated block IC loop is connected send alarm signal by loudspeaker YD.
Pectination metal of the present utility model touches sheet SN and metal film can be pressed on the wallet by the designing requirement direct heat, and contact area is big, thereby it is firm to work.Because the broach interlocking is thin and close, the thief is as long as be bound to connect the switch loop with the hand touch, thereby the triggering warning system particularly because metal film is thin, is convenient to camouflage, can be made into the shape or the trade mark shape of various flowers.Owing to adopted music-integrating block in the alarm circuit, when touching wallet, the thief makes alarm signal again with a complete melody, more noticeable than a very brief alarm sound.
Simple in structure, the deft design of the utility model.Especially make sensing element with the pectination metal touch sheet of film shape, firm and highly sensitive.
Description of drawings:
Fig. 1 is a structure principle chart of the present utility model, and switch loop (BG1, C1) in the chain-dotted line and music integrated block IC, loudspeaker YD all are seated in the small shell shown in Figure 2.
Fig. 2 is the small shell that is contained in wallet, the ticket-holder.
Fig. 4 is a kind of embodiment of metal touch sheet, can be formed by the metal film compacting.Also metal film can be compressed on the plastic film, inlay on wallet.
Fig. 5, Fig. 6 are a kind of form that is compressed on the metal touch sheet on wallet, the ticket-holder.On can add cheating colouration, area is big, it is firm to work, 2 of A, B join by the alarm circuit in lead and the ticket-holder.
Claims (3)
1, a kind of anti-touch anti-theft device of stealing, it is characterized in that above-mentioned touch anti-theft device is joined by base stage, the colelctor electrode that the pectination metal of hot pressing in wallet, ticket-holder outside touches sheet SN and switch loop (BG1, C1), music integrated block IC, raise one's voice YD and BG1.
2, touch anti-theft device according to claim 1 is characterized in that it is that metal film or paper tinsel metal constitute that above-mentioned pectination metal touches sheet SN, and broach that communicates with terminal A and the broach teeth that communicate with terminal B are staggered.
3, according to claim 2, it is characterized in that above-mentioned pectination metal touches sheet SN and can directly be compressed on wallet (or ticket-holder) crust, communicate by being installed in conducting strip and the lead that A, B two select, insert on-off circuit (BG1, C1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90206305 CN2069217U (en) | 1990-05-10 | 1990-05-10 | Touching type theft-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90206305 CN2069217U (en) | 1990-05-10 | 1990-05-10 | Touching type theft-proof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2069217U true CN2069217U (en) | 1991-01-16 |
Family
ID=4886922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90206305 Expired - Lifetime CN2069217U (en) | 1990-05-10 | 1990-05-10 | Touching type theft-proof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2069217U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106055033A (en) * | 2016-05-27 | 2016-10-26 | 中山智慧城电子科技有限公司 | Trick playing panel computer |
| CN108225624A (en) * | 2016-12-14 | 2018-06-29 | 郑甲锡 | The effective of fistfight protector impacts detection sensor and effectively impacts detecting system |
-
1990
- 1990-05-10 CN CN 90206305 patent/CN2069217U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106055033A (en) * | 2016-05-27 | 2016-10-26 | 中山智慧城电子科技有限公司 | Trick playing panel computer |
| CN108225624A (en) * | 2016-12-14 | 2018-06-29 | 郑甲锡 | The effective of fistfight protector impacts detection sensor and effectively impacts detecting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |