CN102881096A - Glass anti-theft device - Google Patents
Glass anti-theft device Download PDFInfo
- Publication number
- CN102881096A CN102881096A CN2012104001339A CN201210400133A CN102881096A CN 102881096 A CN102881096 A CN 102881096A CN 2012104001339 A CN2012104001339 A CN 2012104001339A CN 201210400133 A CN201210400133 A CN 201210400133A CN 102881096 A CN102881096 A CN 102881096A
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- Prior art keywords
- infrared
- tube
- receiving tube
- normally closed
- infrared receiving
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Abstract
The invention provides a glass anti-theft device consisting of an infrared transmitting tube, an infrared receiving tube, an optical fiber, a normally closed relay and an alarm, wherein the optical fiber is adhered to the lower side of glass in a wave shape and clamped between two layers of glass; the transmitting end of the infrared transmitting tube and the receiving end of the infrared receiving tube are arranged on two ends of the optical fiber, and the transmitting end of the infrared transmitting tube does not face toward the receiving end of the infrared receiving tube; infrared rays transmitted by the infrared transmitting tube after optical fiber breakage cannot enter into the infrared receiving tube; the normally closed relay is connected in series in a circuit in which the infrared receiving tube is positioned; the alarm is connected in a circuit controlled by the normally closed relay; when the infrared receiving tube is conducted, the normally closed relay is disconnected from the power supply of the alarm; and when the infrared receiving tube is not conducted, the normally closed relay is connected with the power supply of the alarm, and the alarm instantly starts alarming. The glass anti-theft device is simple in structure, can be installed on common glass, and is low in installation and use costs and good in reliability.
Description
Technical field
A kind of glass anti-theft device.
Background technology
At present, department store, mobile phone shop and jewelry store etc. all use show case, and glass door is all used in a lot of places, and existing glass can not give the alarm after being broken usually automatically, is suffering that robbery, theft can not in time give the alarm when destroying.Though existing wired net burglar-proof glazing has anti-theft feature, its production technology is complicated, and price is higher, and if existing sales counter to use, must change glass, expend larger.
Summary of the invention
The invention provides a kind of glass anti-theft device, this device by sticking to glass downside or be clipped in the infrared ray that optical fiber between the layer glass conducts infrared transmitting tube directive infrared receiving tube, when glass is broken, optical fiber ruptures thereupon, infrared ray can not be injected infrared receiving tube, not conducting of infrared receiving tube, the normally closed relay of connecting with infrared receiving tube is connected the power supply of warning horn, and warning horn namely gives the alarm.
The technical solution adopted for the present invention to solve the technical problems is: this glass anti-theft device is comprised of infrared transmitting tube, infrared receiving tube, optical fiber, normally closed relay and warning horn, the optical fiber undulate sticks to the downside of glass or is clipped between the layer glass, the transmitting terminal of infrared transmitting tube and the receiving end of infrared receiving tube are installed in the two ends of optical fiber, and towards the receiving end of infrared receiving tube, the infrared ray that infrared transmitting tube penetrates after fibercuts can not enter infrared receiving tube to the transmitting terminal of infrared transmitting tube.
Normally closed relay is connected in the circuit at infrared receiving tube place, and warning horn is connected in the circuit of normally closed relay control, during the infrared receiving tube conducting, normally closed relay breakage alert device power supply, during not conducting of infrared receiving tube, normally closed relay is connected the warning horn power supply, and warning horn namely starts warning.
The invention has the beneficial effects as follows, this glass anti-theft device is simple in structure, can be installed on the simple glass, and cost of installation and use is cheap, good reliability.
Description of drawings
Fig. 1 is infrared transmitting tube of the present invention, infrared receiving tube and fiber section structural representation.
(1) glass among the figure, (2) infrared transmitting tube, (3) optical fiber, (4) infrared receiving tube.
Embodiment
This glass anti-theft device is comprised of infrared transmitting tube (2), infrared receiving tube (4), optical fiber (3), normally closed relay and warning horn, the optical fiber undulate sticks to the downside of glass (1) or is clipped between the layer glass, the transmitting terminal of infrared transmitting tube and the receiving end of infrared receiving tube are installed in the two ends of optical fiber, and towards the receiving end of infrared receiving tube, the infrared ray that infrared transmitting tube penetrates after fibercuts can not enter infrared receiving tube to the transmitting terminal of infrared transmitting tube.
Normally closed relay is connected in the circuit at infrared receiving tube place, and warning horn is connected in the circuit of normally closed relay control, during the infrared receiving tube conducting, normally closed relay breakage alert device power supply, during not conducting of infrared receiving tube, normally closed relay is connected the warning horn power supply, and warning horn namely starts warning.
Above disclosed only be the application's a specific embodiment, but the application is not limited thereto, the thinkable variation of any those skilled in the art all should fall in the application's the protection domain.
Claims (2)
1. glass anti-theft device, formed by infrared transmitting tube, infrared receiving tube, optical fiber, normally closed relay and warning horn, it is characterized in that: the optical fiber undulate sticks to the downside of glass or is clipped between the layer glass, the transmitting terminal of infrared transmitting tube and the receiving end of infrared receiving tube are installed in the two ends of optical fiber, and the transmitting terminal of infrared transmitting tube is not towards the receiving end of infrared receiving tube.
2. glass anti-theft device according to claim 1, it is characterized in that: normally closed relay is connected in the circuit at infrared receiving tube place, warning horn is connected in the circuit of normally closed relay control, during the infrared receiving tube conducting, normally closed relay breakage alert device power supply, during not conducting of infrared receiving tube, normally closed relay is connected the warning horn power supply, and warning horn namely starts warning.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012104001339A CN102881096A (en) | 2012-10-20 | 2012-10-20 | Glass anti-theft device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012104001339A CN102881096A (en) | 2012-10-20 | 2012-10-20 | Glass anti-theft device |
Publications (1)
Publication Number | Publication Date |
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CN102881096A true CN102881096A (en) | 2013-01-16 |
Family
ID=47482403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012104001339A Pending CN102881096A (en) | 2012-10-20 | 2012-10-20 | Glass anti-theft device |
Country Status (1)
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CN (1) | CN102881096A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109493552A (en) * | 2018-10-20 | 2019-03-19 | 马成良 | A kind of safety alarm system and its working method |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4367460A (en) * | 1979-10-17 | 1983-01-04 | Henri Hodara | Intrusion sensor using optic fiber |
US4867820A (en) * | 1986-09-11 | 1989-09-19 | Ispra Isreal Products Research Co. Ltd. | Preparation of laminated structure containing an optical fiber |
CN1113585A (en) * | 1994-06-10 | 1995-12-20 | 李伟 | Anti-stealing safety glass |
JP2001285847A (en) * | 2000-03-31 | 2001-10-12 | Fujitsu General Ltd | Glass breakage alarming device for camera case |
JP2005182114A (en) * | 2003-12-16 | 2005-07-07 | Oki Electric Ind Co Ltd | Security device and security system |
CN202838565U (en) * | 2012-10-20 | 2013-03-27 | 李良杰 | Glass theft preventer |
-
2012
- 2012-10-20 CN CN2012104001339A patent/CN102881096A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4367460A (en) * | 1979-10-17 | 1983-01-04 | Henri Hodara | Intrusion sensor using optic fiber |
US4867820A (en) * | 1986-09-11 | 1989-09-19 | Ispra Isreal Products Research Co. Ltd. | Preparation of laminated structure containing an optical fiber |
CN1113585A (en) * | 1994-06-10 | 1995-12-20 | 李伟 | Anti-stealing safety glass |
JP2001285847A (en) * | 2000-03-31 | 2001-10-12 | Fujitsu General Ltd | Glass breakage alarming device for camera case |
JP2005182114A (en) * | 2003-12-16 | 2005-07-07 | Oki Electric Ind Co Ltd | Security device and security system |
CN202838565U (en) * | 2012-10-20 | 2013-03-27 | 李良杰 | Glass theft preventer |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109493552A (en) * | 2018-10-20 | 2019-03-19 | 马成良 | A kind of safety alarm system and its working method |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130116 |