CN205788569U - Safe Anti-dismounting structure - Google Patents
Safe Anti-dismounting structure Download PDFInfo
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- CN205788569U CN205788569U CN201620663598.7U CN201620663598U CN205788569U CN 205788569 U CN205788569 U CN 205788569U CN 201620663598 U CN201620663598 U CN 201620663598U CN 205788569 U CN205788569 U CN 205788569U
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- dismounting structure
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Abstract
This utility model relates to a kind of safe Anti-dismounting structure, it is characterized in that: include the conductor layer being located between cap and pcb board, described conductor layer is provided with several often conducting switch or normal off switches, and this described normal conducting switch or normal off switch form loop with being connected circuit on pcb board.The safe Anti-dismounting structure of this utility model is reasonable in design, it is possible to making equipment when artificially being disassembled, Triggering circuit changes.
Description
Technical field
This utility model relates to a kind of safe Anti-dismounting structure.
Background technology
Financial payment field proposes higher requirement to the safety of equipment in recent years, particularly to preventing from artificially being disliked
Preventing in the equipment such as meaning is disassembled point of sales terminal (POS) and production firm is proposed higher requirement, existing point of sales terminal
Tear open contact be not logical be exactly disconnected, single switching, disassemble very easy, i.e. directly scolding tin permeates, after making them turn on, machine
I.e. can at will disassemble.
Summary of the invention
The problem that this utility model exists for above-mentioned prior art makes improvement, skill the most to be solved in the utility model
Art problem is to provide a kind of safe Anti-dismounting structure, and this safe Anti-dismounting structure is reasonable in design, it is possible to make equipment when artificially being disassembled,
Triggering circuit changes.
In order to solve above-mentioned technical problem, the technical solution of the utility model is:
The safe Anti-dismounting structure of this utility model, it is characterised in that: include the conductor layer being located between cap and pcb board,
Described conductor layer is provided with several often conducting switch or normal off switches, this described normal conducting switch or normal off switch with
Connect circuit on pcb board and form loop.
Further, several often conductings above-mentioned switch or normal off switch is in circuit for relation parallel with one another.
Further, several often conductings above-mentioned switch or normal off switch is close on locus.
Further, above-mentioned switch includes the first annular circle of at least one being connected with circuit on one side, with circuit another
The second annular ring of at least one that end connects, first annular circle is provided with several the first disconnecting units, described second annular ring
It is provided with several the second disconnecting units, when first annular circle and the second annular ring are stacked, indivedual first disconnecting units and indivedual the
Two disconnecting units overlap, and i.e. form the disconnection of circuit, and indivedual first disconnecting units are misaligned with indivedual second disconnecting units, i.e. form circuit
Conducting, i.e. formed on an annular ring multiple conducting, multiple disconnection switch.
Further, above-mentioned first annular circle and the second annular ring are circular ring-shaped circle, and its internal-and external diameter matches.
Further, above-mentioned first annular circle and the second annular ring are rectangular loop circle, and 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.
This utility model safe Anti-dismounting structure method of work, the conductor layer between cap and pcb board is provided with some
Individual normal conducting switch or normal off switch, this described normal conducting switch or normal off switch form loop with being connected circuit, not
Method molecule is attempted with scolding tin when penetrating into interior, i.e. can turn on the circuit of original off-state, and when tolling breakdown cap, can break again
Format carrys out the circuit of conducting state.
This utility model switch includes the first annular circle of at least one being connected with circuit on one side, with the circuit other end even
Second annular ring of at least one connect, first annular circle is provided with several the first disconnecting units, described second annular ring sets
Having several the second disconnecting units, after first annular circle and the second annular ring are stacked, indivedual first disconnecting units are broken with indivedual second
The portion that opens overlaps, and i.e. forms the disconnection of circuit, and indivedual first disconnecting units are misaligned with indivedual second disconnecting units, i.e. forms leading of circuit
Logical, on an annular ring, i.e. form multiple conducting, multiple disconnection switch；It is attempted with in scolding tin penetrates into lawless person
Time, i.e. can turn on the circuit of original off-state, and when tolling breakdown cap, the circuit of original conducting state can be disconnected again.
First annular circle can be the conductive film layer being located on cap lower surface, and the second annular ring is to be located on pcb board
Conductive film layer.
After cap assembles, corresponding with the Copper Foil shape on corresponding pcb board, then, circuit is opened tamper machine pattern.
When cap and pcb board depart from, or use molten stannum infiltration, make should not the line broken circuit of open circuit, or make the circuit that should not connect even
Logical, all can trigger alarm signal, it is achieved protection pcb board is artificially taken apart.
This utility model produces the circuit more more complicated than simple conducting on this conductor layer, it is achieved regional area is led
Logical, regional area disconnects, and adds the difficulty disassembled, and pattern is intensive, and operation to realize local and turn on, and local disconnects, difficult
Spend high.
The utility model is described in more detail with detailed description of the invention below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is a kind of enforcement illustration that cap is connected with pcb board；
Fig. 2 is T direction view or the T direction view on pcb board surface of the cap lower surface of a kind of embodiment of Fig. 1；
Fig. 3 is the schematic diagram (being also the T direction view of cap lower surface in Fig. 1) of a kind of embodiment the first ring；
Fig. 4 be a kind of embodiment the second ring schematic diagram (being also the T direction view on pcb board surface in Fig. 1)；
Fig. 5 is the schematic diagram after Fig. 3 Yu Fig. 4 is stacked；
Fig. 6 is the T direction view (peripheral square frame line is continuous conduction body) of another kind of embodiment Fig. 1.
Detailed description of the invention
The safe Anti-dismounting structure of this utility model, including the conductor layer 2 (conductive film layer being located between cap 1 and pcb board A
2, it is made up of two-layer, a laminating is at cap 1 lower surface, and a laminating is on pcb board A surface), it is provided with some in described conductor layer 2
The switch 3 that individual normal conducting or normal off are opened, the switch that this described normal conducting or normal off are opened forms loop with being connected circuit on pcb board.
The switch 3 that often conducting or normal off are opened can be local segment conducting 301, and local segment disconnects 302.
A kind of embodiment, it may be that two or many straight parallel wires (metal coating), is arranged above with the disconnected of mutual dislocation
Open portion's (as shown in Figure 2).Local segment conducting 301, local segment disconnects 302, and each turns on 301 local segments and each local disconnected
Section 302 can distinguish the relation of parallel connection.
Further, in order to reasonable in design, it is achieved tamper is effective, several switches being turned on or off above-mentioned are at circuit
In be relation parallel with one another.
Further, in order to reasonable in design, it is achieved tamper is effective, several switches being turned on or off above-mentioned are in space
It is close on position, spatially can superposed (be stacked by one or more desultory bus, itself and Fig. 3-5
Similar, simply pattern is linear type) or parallel on the same face (i.e. on one layer of conducting film, be provided with one or more absolutely
Continuous continuous bus, when there being molten stannum permeate, can make one or more connection originally disconnected), the switch of conducting or disconnection
Switch mutual dislocation, thus once lawless person destroys herein, i.e. can touch the loop of another circuit, i.e. Triggering circuit and change,
Thus i.e. can start and realize protection equipment relative alarm or inefficacy.
Another kind of embodiment (as in Figure 3-5), above-mentioned switch includes at least one first be connected with circuit on one side
Annular ring 4, second annular ring 5 of at least one being connected with the circuit other end, first annular circle be provided with several first break
Opening portion 401, described second annular ring is provided with several the second disconnecting units 501, is stacked at first annular circle and the second annular ring
Time (laminating), indivedual first disconnecting units overlap with indivedual second disconnecting units, i.e. form the disconnection of circuit, indivedual first disconnecting units with
Indivedual second disconnecting units are misaligned, i.e. form the conducting of circuit, as shown in Figure 4, i.e. formed on an annular ring multiple conducting,
Multiple disconnection switchs.
The layouts of the conductive layer in the T direction view of cap lower surface or the T direction view on pcb board surface is not limited to
Structure 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, and its internal-and external diameter matches.
One of which embodiment, above-mentioned first annular circle and the second annular ring are rectangular loop circle, and 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 is donut.
This utility model safe tamper method, the conductor layer between cap and pcb board is provided with several and often turns on
Switch or normal off switch, this described normal conducting switch or normal off switch form loop with being connected circuit, exist lawless person
Be attempted with (or other modes) when scolding tin penetrates in callosity, i.e. can turning circuit, and when tolling breakdown cap, circuit cannot break
Open, so cannot judge that cap has been opened.
This utility model switch includes the first annular circle of at least one being connected with circuit on one side, with the circuit other end even
Second annular ring of at least one connect, first annular circle is provided with several the first disconnecting units, described second annular ring sets
Having several the second disconnecting units, after first annular circle and the second annular ring are stacked, indivedual first disconnecting units are broken with indivedual second
The portion that opens overlaps, and i.e. forms the disconnection of circuit, and indivedual first disconnecting units are misaligned with indivedual second disconnecting units, i.e. forms leading of circuit
Logical, on an annular ring, i.e. form multiple conducting, multiple disconnection switch；It is attempted with scolding tin lawless person and penetrates into callosity
Time interior, i.e. can turn on the circuit of original off-state, and when tolling breakdown cap, the circuit of original conducting state can be disconnected again.
This utility model is after cap assembles, corresponding with the Copper Foil shape on corresponding pcb board, then, circuit is opened
Tamper machine pattern.When cap and PCB depart from, make should not the line broken circuit of open circuit, or make the circuit communication that should not connect, all can touch
Signaling, equipment realizes corresponding safeguard procedures, and protection core information does not reveals that (or related data self-destruction, this equipment cannot continue
Use).
This utility model produces the circuit more more complicated than simple conducting on this callosity, it is achieved regional area turns on, office
Region, portion disconnects, and adds the difficulty disassembled, and the pattern on this callosity is intensive, and operation to realize local and turn on, and local is disconnected
Opening, difficulty is high.
The foregoing is only preferred embodiment of the present utility model, all according to this utility model claim done equal
Deng change and modification, covering scope of the present utility model all should be belonged to.
Claims (8)
1. a safe Anti-dismounting structure, it is characterised in that: include the conductor layer being located between cap and pcb board, described conduction
Body layer is provided with several often conducting switch or normal off switches, this described normal conducting switch or normal off switch with on pcb board
Connect circuit and form loop.
Safe Anti-dismounting structure the most according to claim 1, it is characterised in that: described several often turn on switch or normal off is opened
Switch is relation parallel with one another in circuit.
Safe Anti-dismounting structure the most according to claim 1, it is characterised in that: described several often turn on switch or normal off is opened
Switch is close on locus.
Safe Anti-dismounting structure the most according to claim 1, it is characterised in that: described switch includes being connected with circuit on one side
The first annular circle of at least one, the second annular ring of at least one being connected with the circuit other end, first annular circle is provided with
Several first disconnecting units, described second annular ring is provided with several the second disconnecting units, in first annular circle and the second annular
When circle is stacked, indivedual first disconnecting units overlap with indivedual second disconnecting units, i.e. form the disconnection of circuit, indivedual first disconnecting units and
Indivedual second disconnecting units are misaligned, i.e. form the conducting of circuit, i.e. form multiple conducting on an annular ring, multiple disconnection is opened
Close.
Safe Anti-dismounting structure the most according to claim 4, it is characterised in that: described first annular circle and the second annular ring are
Circular ring-shaped circle, its internal-and external diameter matches.
Safe Anti-dismounting structure the most according to claim 4, it is characterised in that: described first annular circle and the second annular ring are
Rectangular loop circle, its internal-and external diameter matches.
Safe Anti-dismounting structure the most according to claim 4, it is characterised in that: described first annular circle and the second annular ring tool
There are two circles or three circles.
Safe Anti-dismounting structure the most according to claim 7, it is characterised in that: multi-ring annular circle is donut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620663598.7U CN205788569U (en) | 2016-06-29 | 2016-06-29 | Safe Anti-dismounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620663598.7U CN205788569U (en) | 2016-06-29 | 2016-06-29 | Safe Anti-dismounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205788569U true CN205788569U (en) | 2016-12-07 |
Family
ID=58128476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620663598.7U Active CN205788569U (en) | 2016-06-29 | 2016-06-29 | Safe Anti-dismounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205788569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106097606A (en) * | 2016-06-29 | 2016-11-09 | 福建联迪商用设备有限公司 | Safe Anti-dismounting structure and using method thereof |
-
2016
- 2016-06-29 CN CN201620663598.7U patent/CN205788569U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106097606A (en) * | 2016-06-29 | 2016-11-09 | 福建联迪商用设备有限公司 | Safe Anti-dismounting structure and using method thereof |
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| GR01 | Patent grant |