CN106097606B - Safe Anti-dismounting structure and its application method - Google Patents
Safe Anti-dismounting structure and its application method Download PDFInfo
- Publication number
- CN106097606B CN106097606B CN201610491883.XA CN201610491883A CN106097606B CN 106097606 B CN106097606 B CN 106097606B CN 201610491883 A CN201610491883 A CN 201610491883A CN 106097606 B CN106097606 B CN 106097606B
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- Prior art keywords
- circuit
- switch
- annular
- circle
- conducting
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Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/0018—Constructional details, e.g. of drawer, printing means, input means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/86—Secure or tamper-resistant housings
Abstract
The present invention relates to a kind of safe Anti-dismounting structure and its application method, it is characterised in that：Including the conductor layer being located between shell cover and pcb board, the conductor layer is equipped with several often conducting switch or normal off switches, which is connected circuit forming circuit with pcb board.The present invention is safe, and Anti-dismounting structure design is reasonable, can make equipment when artificially being disassembled, Triggering circuit change.
Description
Technical field
The present invention relates to a kind of safe Anti-dismounting structure and its application method.
Background technology
Financial payment field proposes the security of equipment higher requirement in recent years, particularly to preventing from artificially being disliked
Meaning disassembles point of sales terminal（POS）Production firm is proposed anti-in the equipment such as higher requirement, existing point of sales terminal
Tear open contact be not it is logical be exactly disconnected, single switching, disassemble very easy, i.e., direct scolding tin permeates, after making their conductings, machine
Can at will it disassemble.
The content of the invention
The present invention has made improvements in view of the above-mentioned problems of the prior art, i.e., the technical problems to be solved by the invention are
A kind of safe Anti-dismounting structure is provided, the safe Anti-dismounting structure design is reasonable, can make equipment when artificially being disassembled, Triggering circuit
Change.
In order to solve the above-mentioned technical problem, the technical scheme is that：
The safe Anti-dismounting structure of the present invention, it is characterised in that：It is described including the conductor layer being located between shell cover and pcb board
Conductor layer is equipped with several often conducting switch or normal off switches, the often conducting switch or normal off switch and PCB
Circuit forming circuit is connected on plate.
Further, several above-mentioned often conductings switch or normal off switch is relation parallel with one another in circuit.
Further, several above-mentioned often conductings switch or normal off switch is close on locus.
Further, above-mentioned switch includes at least one first annular circle being connected with circuit on one side, another with circuit
The second at least one annular ring of connection is held, first annular circle is equipped with several first disconnecting units, second annular ring
Several second disconnecting units are equipped with, in first annular circle and the second annular ring stacked, indivedual first disconnecting units and indivedual the
Two disconnecting units overlap, that is, form the disconnection of circuit, indivedual first disconnecting units and indivedual second disconnecting units are misaligned, that is, form circuit
Conducting, i.e., formed on an annular ring it is multiple conducting, it is multiple disconnect switch.
Further, above-mentioned first annular circle and the second annular ring are circular ring-shaped circle, its internal-and external diameter matches.
Further, above-mentioned first annular circle and the second annular ring are rectangular loop circle, its internal-and external diameter matches.
Further, above-mentioned first annular circle and the second annular ring have two circles or three circles.
Further, multi-ring annular circle is donut.
The safe tamper method of the present invention, it is characterised in that：Several are equipped with conductor layer between shell cover and pcb board
Often conducting switch or normal off switch, the often conducting switch or normal off switch are with being connected circuit forming circuit, illegal
When molecule attempts to penetrate into interior using scolding tin, i.e., the circuit of original off-state can be turned on, and when tolling breakdown shell cover, and will disconnect
The circuit of original conducting state.
Present invention switch includes at least one first annular circle being connected with circuit on one side, is connected with the circuit other end
The second at least one annular ring, first annular circle are equipped with several first disconnecting units, if second annular ring is equipped with
Dry the second disconnecting unit, after first annular circle and the second annular ring are stacked, indivedual first disconnecting units and indivedual second disconnecting units
Overlapping, that is, form the disconnection of circuit, indivedual first disconnecting units and indivedual second disconnecting units are misaligned, that is, form the conducting of circuit,
Multiple conductings are formed on an annular ring, multiple disconnect switchs；When criminal attempts to penetrate into interior using scolding tin, i.e.,
The circuit of original off-state can be turned on, and when tolling breakdown shell cover, and will disconnect the circuit of original conducting state.
First annular circle can be the conductive film layer being located on shell cover lower surface, and the second annular ring is to be located on pcb board
Conductive film layer.
It is corresponding with the copper foil shape on corresponding pcb board after shell cover assembling, then, tamper machine pattern is opened on circuit.
Permeated when shell cover and pcb board depart from, or using molten tin, make should not open circuit line broken circuit, or the circuit for making to connect connects
It is logical, alarm signal can be triggered, realizes that protection pcb board is artificially dismantled.
The present invention produces the circuit more more complicated than simple conducting on the conductor layer, realizes that regional area turns on, office
Portion region disconnects, and adds the difficulty disassembled, and pattern is intensive, and operation will realize local conducting, local to disconnect, difficulty pole
It is high.
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is a kind of implementation illustration that shell cover is connected with pcb board；
Fig. 2 is a kind of T direction views of the shell cover lower surface of embodiments of Fig. 1 or the T direction views on pcb board surface；
Fig. 3 is a kind of schematic diagram of the first ring of embodiment (being also the T direction views of shell cover lower surface in Fig. 1)；
Fig. 4 is a kind of schematic diagram of the second ring of embodiment (being also the T direction views on pcb board surface in Fig. 1)；
Fig. 5 is the schematic diagram after Fig. 3 and Fig. 4 is stacked；
Fig. 6 is the T direction views of another embodiment Fig. 1 (peripheral square frame line is continuous conduction body).
Embodiment
The safe Anti-dismounting structure of the present invention, including be located between shell cover 1 and pcb board A conductor layer 2 (conductive film layer 2, by
Two layers of composition, one layer is attached to 1 lower surface of shell cover, and one layer is attached to pcb board A surfaces), the conductor layer 2 is interior normal equipped with several
Circuit forming circuit is connected on switch and pcb board that the switch 3 that conducting or normal off are opened, the normal conducting or normal off are opened.Often lead
The switch 3 that logical or normal off is opened can be local segment conducting 301, and local segment disconnects 302.
A kind of embodiment can be two or more parallel straight wires（Metal coating）, it is disconnected equipped with mutual dislocation above
Open portion（As shown in Figure 2）.Local segment conducting 301, local segment disconnect 302, each part for turning on 301 local segments and each disconnection
Section 302 can distinguish relation in parallel.
Further, in order to design rationally, realize that tamper effect is good, the above-mentioned switch that several are turned on or off is in circuit
In be relation parallel with one another.
Further, in order to design rationally, realize that tamper effect is good, the above-mentioned switch that several are turned on or off is in space
It is close on position, spatially can be stacked on top of each other（It is stacked by one or more desultory conductive bar, itself and Fig. 3-5
Similar, simply pattern is linear pattern）It is or parallel on the same face（I.e. on one layer of conducting film, equipped with one or more absolutely
Continue continuous conductive bar, when there is molten tin to permeate, connection that one or more can be made to disconnect originally）, the switch of conducting or disconnection
Mutual dislocation is switched, once so that criminal's destruction herein, i.e., can touch the circuit of another circuit, i.e. Triggering circuit changes,
So as to can start realization protection equipment relative alarm or failure.
Another embodiment（As in Figure 3-5）, above-mentioned switch includes at least one first that is connected with circuit on one side
Annular ring 4, the second at least one annular ring 5 being connected with the circuit other end, it is first disconnected that first annular circle is equipped with several
Portion 401 is opened, second annular ring is equipped with several second disconnecting units 501, is stacked in first annular circle and the second annular ring
（Fitting）When, indivedual first disconnecting units are overlapped with indivedual second disconnecting units, that is, form the disconnection of circuit, indivedual first disconnecting units with
Indivedual second disconnecting units are misaligned, that is, form the conducting of circuit, as shown in figure 4, i.e. formed on an annular ring it is multiple conducting,
It is multiple to disconnect switch.
The layouts of the T direction views of shell cover lower surface or the conductive layer in the T direction views on pcb board surface are not limited to
Construction shown in Fig. 2,3,4.
Each conduction period 402 of first annular circle 4 can be connected in parallel with circuit on one side, each conduction period of the second annular ring 5
502 can be connected in parallel with circuit on one side.
One of which embodiment, above-mentioned first annular circle and the second annular ring are circular ring-shaped circle, its internal-and external diameter matches.
One of which embodiment, above-mentioned first annular circle and the second annular ring are rectangular loop circle, its internal-and external diameter matches.
One of which embodiment, above-mentioned first annular circle and the second annular ring have two circles or three circles.
One of which embodiment, multi-ring annular circle are donut.
The safe tamper method of the present invention, is equipped with several often conducting switches on the conductor layer between shell cover and pcb board
Or normal off switch, the often conducting switch or normal off switch are attempting with being connected circuit forming circuit in criminal
When being penetrated into using scolding tin in foot pad（Or other modes）, that is, understand turning circuit, and when tolling breakdown shell cover, circuit can not disconnect,
So it can not judge that shell cover has been opened.
Present invention switch includes at least one first annular circle being connected with circuit on one side, is connected with the circuit other end
The second at least one annular ring, first annular circle are equipped with several first disconnecting units, if second annular ring is equipped with
Dry the second disconnecting unit, after first annular circle and the second annular ring are stacked, indivedual first disconnecting units and indivedual second disconnecting units
Overlapping, that is, form the disconnection of circuit, indivedual first disconnecting units and indivedual second disconnecting units are misaligned, that is, form the conducting of circuit,
Multiple conductings are formed on an annular ring, multiple disconnect switchs；Attempt to penetrate into foot pad using scolding tin in criminal
When, i.e., the circuit of original off-state can be turned on, and when tolling breakdown shell cover, and will disconnect the circuit of original conducting state.
The present invention is corresponding with the copper foil shape on corresponding pcb board after shell cover assembling, then, tamper is opened on circuit
Machine pattern.When shell cover and PCB depart from, make should not open circuit line broken circuit, or make the circuit communication that should not be connected, can trigger letter
Number, equipment realizes corresponding safeguard procedures, protects core information not reveal（Or related data self-destruction, the equipment can not continue to make
With）.
The present invention produces the circuit more more complicated than simple conducting on the foot pad, realizes that regional area turns on, partial zones
Domain disconnects, and adds the difficulty disassembled, and the pattern on the foot pad is intensive, and operation will realize local conducting, local to disconnect, difficult
Spend high.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, should all belong to the covering scope of the present invention.
Claims (3)
- A kind of 1. safe Anti-dismounting structure, it is characterised in that：Including the conductor layer being located between shell cover and pcb board, the conduction Body layer is switched equipped with several often conductings or normal off switch, on the normal conducting switch or normal off switch and pcb board Connect circuit forming circuit；Several described often conductings switch or normal off switch is relation parallel with one another in circuit；It is described Often conducting switch or normal off switch are close on locus for several；It is described switch include be connected with circuit on one side to First annular circle one few, the second at least one annular ring being connected with the circuit other end, if first annular circle is equipped with Dry the first disconnecting unit, second annular ring are equipped with several second disconnecting units, in first annular circle and the second annular ring When stacked, indivedual first disconnecting units are overlapped with indivedual second disconnecting units, that is, form the disconnection of circuit, indivedual first disconnecting units and a Other second disconnecting unit is misaligned, that is, forms the conducting of circuit, i.e., multiple conductings are formed on an annular ring, multiple are opened Close；The first annular circle and the second annular ring are circular ring-shaped circle, its internal-and external diameter matches；The first annular circle and second Annular ring has two circles or three circles；Multi-ring annular circle is donut, and the conducting switch and disconnection switch of adjacent annular circle are opposite Should.
- A kind of 2. application method of safe Anti-dismounting structure, it is characterised in that：The safe Anti-dismounting structure includes being located at shell cover and PCB Conductor layer between plate, the conductor layer are equipped with several often conducting switch or normal off switches, the often conducting Switch or normal off switch are connected circuit forming circuit with pcb board；Several described often conductings switch or normal off switch exists It is relation parallel with one another in circuit；Several described often conductings switch or normal off switch is close on locus；It is described Switch includes at least one first annular circle being connected with circuit on one side, at least one second being connected with the circuit other end Annular ring, first annular circle are equipped with several first disconnecting units, and second annular ring is equipped with several second disconnecting units, In first annular circle and stacked the second annular ring, indivedual first disconnecting units are overlapped with indivedual second disconnecting units, that is, form circuit Disconnection, indivedual first disconnecting units and indivedual second disconnecting units are misaligned, that is, form the conducting of circuit, i.e., on an annular ring Form multiple conductings, multiple disconnect switchs；The first annular circle and the second annular ring are circular ring-shaped circle, its internal-and external diameter kissing Close；The first annular circle and the second annular ring have two circles or three circles；Multi-ring annular circle is donut, adjacent annular circle Conducting switch and disconnection switch are corresponding；, should by being equipped with several switches being turned on or off in the foot pad between shell cover The switch being turned on or off is with being connected circuit forming circuit, when criminal attempts to penetrate into foot pad using scolding tin, The circuit of original off-state can be turned on, and when tolling breakdown shell cover, and will disconnect the circuit of original conducting state.
- 3. the application method of safe Anti-dismounting structure according to claim 2, it is characterised in that：Switch includes and circuit on one side At least one first annular circle of connection, the second at least one annular ring being connected with the circuit other end, first annular circle Several first disconnecting units are equipped with, second annular ring is equipped with several second disconnecting units, in first annular circle and the After second ring circle is stacked, indivedual first disconnecting units are overlapped with indivedual second disconnecting units, that is, form the disconnection of circuit, and indivedual first is disconnected Open portion and indivedual second disconnecting units be misaligned, that is, form the conducting of circuit, i.e., formed on an annular ring it is multiple conducting, it is multiple Disconnect switch；When criminal attempts to penetrate into foot pad using scolding tin, i.e., it can turn on the circuit of original off-state, and When tolling breakdown shell cover, and it will disconnect the circuit of original conducting state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610491883.XA CN106097606B (en) | 2016-06-29 | 2016-06-29 | Safe Anti-dismounting structure and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610491883.XA CN106097606B (en) | 2016-06-29 | 2016-06-29 | Safe Anti-dismounting structure and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106097606A CN106097606A (en) | 2016-11-09 |
| CN106097606B true CN106097606B (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610491883.XA Active CN106097606B (en) | 2016-06-29 | 2016-06-29 | Safe Anti-dismounting structure and its application method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107766748B (en) * | 2017-10-25 | 2020-07-07 | 深圳市新国都支付技术有限公司 | Contact of data protection device |
| CN113178130A (en) * | 2021-03-24 | 2021-07-27 | 重庆惠科金渝光电科技有限公司 | Display device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101308739B (en) * | 2007-05-16 | 2010-05-26 | 深圳市证通电子股份有限公司 | Destruct circuit trigger detection method and switch construction thereof |
| CN202352532U (en) * | 2011-11-23 | 2012-07-25 | 福建联迪商用设备有限公司 | Safety contact pad |
| CN102819915B (en) * | 2012-08-10 | 2015-01-28 | 深圳市九思泰达技术有限公司 | Tamper switch and financial machine |
| CN105451481B (en) * | 2014-08-19 | 2018-06-01 | 国基电子（上海）有限公司 | Anti-dismantling electronic device |
| CN205788569U (en) * | 2016-06-29 | 2016-12-07 | 福建联迪商用设备有限公司 | Safe Anti-dismounting structure |
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2016
- 2016-06-29 CN CN201610491883.XA patent/CN106097606B/en active Active
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| Publication number | Publication date |
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| CN106097606A (en) | 2016-11-09 |
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