CN201015462Y - Schoolbag anti-theft alarm - Google Patents
Schoolbag anti-theft alarm Download PDFInfo
- Publication number
- CN201015462Y CN201015462Y CNU2007200956078U CN200720095607U CN201015462Y CN 201015462 Y CN201015462 Y CN 201015462Y CN U2007200956078 U CNU2007200956078 U CN U2007200956078U CN 200720095607 U CN200720095607 U CN 200720095607U CN 201015462 Y CN201015462 Y CN 201015462Y
- Authority
- CN
- China
- Prior art keywords
- bag
- integrated circuit
- switch
- loudspeaker
- hanging type
- 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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- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to an anti-theft annunciator for school bag, consisting of a power supply, an annunciating integrate circuit, an amplifier, an external hanging type concealed switch and a rotating switch. The rotating switch connected with the slide fastener of the bag is connected with the annunciating integrate circuit; the outputting end of the annunciating integrate circuit is connected with the amplifier; the external hanging type concealed switch is serially connected with the power supply. The utility model has the advantages as follows: 1. simple structure, small and strong concealment, uneasy to attract notice of the stealer; 2. good anti-theft effect; 3. can be separated with the bag and suitable for being used on various bags; 4. low cost.
Description
Technical field:
The utility model belongs to a kind of warning device, particularly a kind of school bag burglar alarm of wrapping that is installed in.
Background technology:
At present, various pilferage behaviors are very general, and the pilferage means of stealing molecule only are to open clad and the slide fastener property in will wrap to steal, or utilize the instrument of blade and so on that bag is opened, and take the interior article of bag away.In the whole pilferage process, the injured party is almost without any discovering.The bag overwhelming majority who has anti-theft feature at present is the anti-bag that lancinates, prevents shearing, the antitheft pack arrangement complexity of this class, higher, the easy infringement of manufacturing cost, and anti-theft effect is undesirable.
Summary of the invention:
The purpose of this utility model just is to overcome above-mentioned the deficiencies in the prior art, and a kind of school bag burglar alarm is provided, and this alarm can in time provide alarm when carrying out property of thief is stolen, and simple in structure, disguised strong, good anti-theft effect.
The technical solution of the utility model is: a kind of school bag burglar alarm is characterized in that: be made up of power supply, warning integrated circuit, loudspeaker, external hanging type hidden switch and rotary switch; The rotary switch that is connected with the slide fastener of bag is connected with the warning integrated circuit, and the output of warning integrated circuit is connected with loudspeaker, external hanging type hidden switch and power series.
The utility model can also adopt following technical measures:
Above-mentioned warning integrated circuit can adopt ultra-thin voice recording-reproducing assembly ISD1810 single hop 8-20 second.
Above-mentioned loudspeaker adopts 8-16 Ω loudspeaker.
The utlity model has following advantage and good effect:
1, simple in structure, small and exquisite, disguised strong, be difficult for causing the attention of stealer.
2, good anti-theft effect.Because rotary switch is connected with the slide fastener of bag, therefore, when stealer is opened slide fastener and is committed theft; rotary switch is connected the warning integrated circuit, and reports to the police by loudspeaker, so just can in time remind the injured party; simultaneously also be deterrence, help protecting citizen's property not to be subjected to illegal infringement stealer.
Therefore 3, can separate with bag, applicable to wrapping use various.
4, cheap for manufacturing cost.
Description of drawings:
Fig. 1 is an electrical schematic diagram of the present utility model.
The specific embodiment:
As shown in the figure: a kind of school bag burglar alarm, form by 3V-6V battery, warning integrated circuit (ultra-thin voice recording-reproducing assembly ISD1810 single hop 8-20 second), 816 Ω loudspeaker, external hanging type hidden switch and rotary switch; The rotary switch that is connected with the slide fastener of satchel or knapsack is connected with the warning integrated circuit, and the output of warning integrated circuit is connected with loudspeaker, external hanging type hidden switch and power series.
The course of work of the present utility model is: when the burglar unzips under the situation that nobody discovers, rotary switch is just by zipper joint, alarm sounds, and owner oneself needs only by external hidden switch powered-down before opening knapsack, and alarm just can not sound.
Claims (3)
1. a school bag burglar alarm is characterized in that: be made up of power supply, warning integrated circuit, loudspeaker, external hanging type hidden switch and rotary switch; The rotary switch that is connected with the slide fastener of bag is connected with the warning integrated circuit, and the output of warning integrated circuit is connected with loudspeaker, external hanging type hidden switch and power series.
2. school bag burglar alarm according to claim 1 is characterized in that: above-mentioned warning integrated circuit can adopt ultra-thin voice recording-reproducing assembly ISD1810 single hop 8-20 second.
3. school bag burglar alarm according to claim 1 is characterized in that: above-mentioned loudspeaker adopts 8-16 Ω loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200956078U CN201015462Y (en) | 2007-03-28 | 2007-03-28 | Schoolbag anti-theft alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200956078U CN201015462Y (en) | 2007-03-28 | 2007-03-28 | Schoolbag anti-theft alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201015462Y true CN201015462Y (en) | 2008-02-06 |
Family
ID=39055942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200956078U Expired - Fee Related CN201015462Y (en) | 2007-03-28 | 2007-03-28 | Schoolbag anti-theft alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201015462Y (en) |
-
2007
- 2007-03-28 CN CNU2007200956078U patent/CN201015462Y/en not_active Expired - Fee Related
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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 |