CN202855000U - Wired anti-tamper device - Google Patents
Wired anti-tamper device Download PDFInfo
- Publication number
- CN202855000U CN202855000U CN 201220570046 CN201220570046U CN202855000U CN 202855000 U CN202855000 U CN 202855000U CN 201220570046 CN201220570046 CN 201220570046 CN 201220570046 U CN201220570046 U CN 201220570046U CN 202855000 U CN202855000 U CN 202855000U
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- friable material
- material layer
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- wired
- interface layer
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Abstract
The utility model relates to the technical field of the anti-theft filed, and especially relates to a wired anti-tamper device. The device includes an anti-tamper circuit, a friable material layer, an interface layer, an input wire and an output wire. The device is characterized in that part of the anti-tamper circuit or the whole anti-tamper circuit is printed onto the friable material layer, the friable material layer is connected with the interface layer, the input wire and the output wire are connected with the interface layer; the interface layer can be independent from the friable material layer or can be one part of the friable material layer; when the anti-tamper circuit is in operation, a current flows through the input wire, the output wire, and the circuits in the friable material layer and the interface layer, when the friable material layer is torn by an external force, the current and the voltage flowing through the anti-tamper circuit will change, and current variation and the voltage variation will be monitored by a detection module, and corresponding alarm processing is performed. Thus, the device has the advantage of broad market application prospects.
Description
Technical field
The utility model relates to technical field of burglary prevention, relates in particular to a kind of wired antiwithdrawal device.
Background technology
Antiwithdrawal device is widely used at security protection industry (typical products: tamper probe), and it is installed in the valuables that need protection or above the important item, in case there is the people illegally to remove, will trigger alarm.Common antiwithdrawal device has two kinds at present, and the first is to be installed on the valuables by screw, and contact switch on the antiwithdrawal device is in case remove antiwithdrawal device, contact switch action, trigger alarm.The second is by on Double-face adhesive installation and the valuables, and contact switch on the antiwithdrawal device is in case remove antiwithdrawal device, contact switch action, trigger alarm.The shortcoming of the first antiwithdrawal device is: need to install with screw, and many valuables surface does not have the screw mounting hole.The shortcoming of the second antiwithdrawal device is: the contact switch on the antiwithdrawal device has elastic force, and long-term use can make antiwithdrawal device separate (viscosity of glue less than the elastic force of contact switch time) from valuables.And the production cost of above two kinds of antiwithdrawal devices is higher.
Summary of the invention
For more extensive, use reliably, easily, the present invention proposes a kind of wired antiwithdrawal device.The party's device has the following advantages: 1. be easy to install, on the valuables without the need for mounting hole.2. safe and reliable, can not come off.3. with low cost.4. tamper reliability is high.5. be easy to batch production.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of wired antiwithdrawal device, comprise decomposing prevention circuit, friable material layer, interface layer, input lead, output lead, it is characterized in that: the part or all of circuit of decomposing prevention circuit is printed in the friable material layer, and the friable material layer is connected with interface layer, and input and output lead are connected with interface layer; Interface layer can be independent of outside the friable material layer, also the part of friable material layer; During decomposing prevention circuit work, there is electric current to flow through circuit in input, output lead and friable material layer, the interface layer, when the friable material layer is torn by external force, the electric current, the voltage that flow through decomposing prevention circuit will change, detection module can monitor the variation of electric current, voltage, and makes corresponding warning and process; Described decomposing prevention circuit, refer to that this circuit is destroyed after, the variation of circuital current, voltage can be detected the circuit that module detects; Described interface layer, interface layer is for connecting friable material layer and input, output lead, and interface layer can be independent of outside the friable material layer, also the part of friable material layer.According to the difference of production technology, interface layer can be the other materials that is different from the friable material layer, such as ABS plastic etc., places circuit board and element in the plastics.In actual applications, for conserve space, also interface layer can be integrated on the friable material layer, input, output lead also directly are connected with frangible ply of paper; Described friable material layer is that the back side scribbles Strong Adhesive take friable material as fabric, and its adhesive power is much larger than the fracture strength of friable material itself, it is attached on the article just can not be peeled by complete, thereby avoids being transferred or secondary uses; Described input and output lead, input and output lead one end connect decomposing prevention circuit, and decomposing prevention circuit is a kind of decomposing prevention circuit of wired mode, and anti-interference is better; Described detection module is any testing circuit that can detect electric current, change in voltage, and it can be integrated into antiwithdrawal device inside and also can be independent of outside the antiwithdrawal device.In actual design, also other functional circuits except decomposing prevention circuit can be printed on the friable material layer, can be made into like this and contain decomposing prevention circuit and the antiwithdrawal device with additional functions.The printing of decomposing prevention circuit comprises that the wire that prints forming circuit and placing element are on friable material layer or interface layer.Printing material can be silver slurry, carbon slurry etc.
The invention has the beneficial effects as follows: 1. be easy to install, on the valuables without the need for mounting hole.2. safe and reliable, can not come off.3. with low cost.4. tamper reliability is high.5. be easy to batch production.
Description of drawings
The use connection diagram of the wired antiwithdrawal device of Fig. 1;
The inner structure synoptic diagram of a kind of wired antiwithdrawal device of Fig. 2;
The inner structure synoptic diagram of the another kind of wired antiwithdrawal device of Fig. 3;
The fundamental diagram of a kind of easy wired antiwithdrawal device of Fig. 4;
The fundamental diagram of wired antiwithdrawal device of a kind of complex function of Fig. 5.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described.
As shown in Figure 1, be the use connection diagram of wired antiwithdrawal device.(1) is valuables among the figure, and (2) are antiwithdrawal devices, and (3) are detection modules, and (4) are input, output connecting line.Antiwithdrawal device (2) is affixed on the valuables (1), input among input in the antiwithdrawal device, output lead and the figure, output connecting line (4) link to each other, the variation of electric current, voltage in detection module (3) the monitoring antiwithdrawal device, in case the variation of electric current, voltage exceeds preset range, just make corresponding warning and process.Detection module (3) can be integrated into antiwithdrawal device inside and also can be independent of outside the antiwithdrawal device.
As shown in Figure 2, be a kind of inner structure synoptic diagram of wired antiwithdrawal device.(5) are the friable material layers among the figure, and (6) are interface layers, and (7) are input leads, and (8) are output leads.Friable material layer (5), as fabric take friable material, the back side scribbles Strong Adhesive, its adhesive power is much larger than the fracture strength of friable material itself, it is attached on the article just can not be peeled by complete, thereby avoid being transferred or the secondary use, the part or all of circuit of decomposing prevention circuit is printed in the friable material layer.Interface layer (6) is for connecting friable material layer and input, output lead, and according to the difference of production technology, interface layer can be the other materials that is different from the friable material layer, such as ABS plastic etc.Can put the substrate that pcb board etc. is convenient to weld in the interface layer, the partial circuit of decomposing prevention circuit or the element that is not easy to weld can be put in interface layer.Input lead (7) is connected 8 with output lead) an end connect decomposing prevention circuit.
As shown in Figure 3, be the inner structure synoptic diagram of the wired antiwithdrawal device of another kind.(5) are the friable material layers among the figure, and (7) are input leads, and (8) are output leads.Friable material layer (5), as fabric take friable material, the back side scribbles Strong Adhesive, its adhesive power is much larger than the fracture strength of friable material itself, it is attached on the article just can not be peeled by complete, thereby avoid being transferred or the secondary use, the part or all of circuit of decomposing prevention circuit is printed in the friable material layer.In actual applications, for conserve space, also interface layer can be integrated on the friable material layer, input, output lead also directly are connected with frangible ply of paper.Input lead (7) is connected 8 with output lead) an end connect decomposing prevention circuit.
As shown in Figure 4, be a kind of fundamental diagram of easy wired antiwithdrawal device.(9) are the core circuits in the decomposing prevention circuit among the figure, and (10) are the switches in the decomposing prevention circuit.Core circuit in the decomposing prevention circuit (9) can be the core circuit that is made of elements such as resistance or stabilivolts, in case switch (10) is opened, can cause electric current, voltage in the decomposing prevention circuit to change, if detection module monitors electric current in the antiwithdrawal device, variation has occured voltage, and exceed preset range, will make corresponding warning and process.The opening to be torn by external force by the friable material layer of switch among the present invention (10) causes.
As shown in Figure 5, be a kind of fundamental diagram of wired antiwithdrawal device of complex function.(9) are the core circuits in the decomposing prevention circuit among the figure, and (10) are the switches in the decomposing prevention circuit, and (11) are additional function modules.Core circuit in the decomposing prevention circuit (9) can be the core circuit that is made of elements such as resistance or stabilivolts, in case switch (10) is opened, can cause electric current, voltage in the decomposing prevention circuit to change, if detection module monitors electric current in the antiwithdrawal device, variation has occured voltage, and exceed preset range, will make corresponding warning and process.The opening to be torn by external force by the friable material layer of switch among the present invention (10) causes.Additional function modules (11) can be the functional modules such as temperature sense module, humidity inductive module, is other functional circuits outside the decomposing prevention circuit.
The above; it only is one of better embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (6)
1. wired antiwithdrawal device, comprise decomposing prevention circuit, friable material layer, interface layer, input lead, output lead, it is characterized in that: the part or all of circuit of decomposing prevention circuit is printed in the friable material layer, and the friable material layer is connected with interface layer, and input and output lead are connected with interface layer; Interface layer can be independent of outside the friable material layer, also the part of friable material layer; During decomposing prevention circuit work, there is electric current to flow through circuit in input, output lead and friable material layer, the interface layer, when the friable material layer is torn by external force, the electric current, the voltage that flow through decomposing prevention circuit will change, detection module can monitor the variation of electric current, voltage, and makes corresponding warning and process.
2. a kind of wired antiwithdrawal device as claimed in claim 1 is characterized in that: described decomposing prevention circuit, refer to that this circuit is destroyed after, the variation of circuital current, voltage can be detected the circuit that module detects.
3. a kind of wired antiwithdrawal device as claimed in claim 1, it is characterized in that: described interface layer, interface layer is for connecting friable material layer and input, output lead, and interface layer can be independent of outside the friable material layer, also the part of friable material layer.
4. a kind of wired antiwithdrawal device as claimed in claim 1, it is characterized in that: described friable material layer, as fabric take friable material, the back side scribbles Strong Adhesive, its adhesive power is much larger than the fracture strength of friable material itself, it is attached on the article just can not be peeled by complete, thereby avoid being transferred or secondary uses.
5. a kind of wired antiwithdrawal device as claimed in claim 1 is characterized in that: described input and output lead, and input and output lead one end connect decomposing prevention circuit, and decomposing prevention circuit is a kind of decomposing prevention circuit of wired mode, and anti-interference is better.
6. a kind of wired antiwithdrawal device as claimed in claim 1, it is characterized in that: described detection module is any testing circuit that can detect electric current, change in voltage, and it can be integrated into the tamper interiors of products and also can be independent of outside the tamper product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220570046 CN202855000U (en) | 2012-11-01 | 2012-11-01 | Wired anti-tamper device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220570046 CN202855000U (en) | 2012-11-01 | 2012-11-01 | Wired anti-tamper device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855000U true CN202855000U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220570046 Expired - Fee Related CN202855000U (en) | 2012-11-01 | 2012-11-01 | Wired anti-tamper device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202855000U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890846A (en) * | 2012-11-01 | 2013-01-23 | 许勇 | Method and device for designing wired anti-dismantling product |
| CN108010238A (en) * | 2018-01-02 | 2018-05-08 | 北京北科汇智软件技术有限公司 | A kind of dismantling-proof alarming method of vehicle positioning equipment |
-
2012
- 2012-11-01 CN CN 201220570046 patent/CN202855000U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890846A (en) * | 2012-11-01 | 2013-01-23 | 许勇 | Method and device for designing wired anti-dismantling product |
| CN108010238A (en) * | 2018-01-02 | 2018-05-08 | 北京北科汇智软件技术有限公司 | A kind of dismantling-proof alarming method of vehicle positioning equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20181101 |
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| CF01 | Termination of patent right due to non-payment of annual fee |