CN106652259B - A kind of POS safety detections switch - Google Patents
A kind of POS safety detections switch Download PDFInfo
- Publication number
- CN106652259B CN106652259B CN201611202833.1A CN201611202833A CN106652259B CN 106652259 B CN106652259 B CN 106652259B CN 201611202833 A CN201611202833 A CN 201611202833A CN 106652259 B CN106652259 B CN 106652259B
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- China
- Prior art keywords
- tamper
- elastic component
- pos
- open
- machine
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Push-Button Switches (AREA)
Abstract
The present invention proposes a kind of novel POS safety detections switch protection design, including POS machine shell tamper position, tamper electric conductor, the tamper detection pad for tearing machine monitoring switch and POS machine mainboard open, tears machine monitoring switch open and is located at tamper detection pad；Tamper electric conductor includes conduct piece and the conductive elastic component of piece shape, and the end face of piece shape elastic component is to connect electric face and other end is pressure-bearing surface, and conduct piece is fixed on the connecing at electric face of elastic component with insulation system；When tamper electric conductor is installed at tamper detection pad, the pressure-bearing surface of elastic component is in contact with POS machine shell tamper position, and elastic component deforms under the pressure at POS machine shell tamper position, so that the conduct piece at elastic component is touched with the machine monitoring switch of tearing open, makes to tear machine monitoring switch open and be in non-triggering state；When elastic component pressure-bearing surface is in non-pressure state, elastic component reset strap moving conductive part is detached with the machine monitoring switch of tearing open makes to tear open the triggering of machine monitoring switch；What the present invention can strengthen POS tears machine monitoring function open to prevent from illegally tearing machine open.
Description
Technical field
The present invention relates to field of switches, especially a kind of POS safety detections switch.
Background technology
POS machine tool is the common equipment of financial transaction, in order to ensure E-Security, in safety standard, and POS machine
Should have the destroyed Functional Design of the machine of tearing open, tear machine monitoring switch open this requires POS machine must be provided with corresponding POS, but pass at present
The design of system is to press electric conductive carbon printing particle by shell material, to which the detection signaling switch pad on mainboard be connected.But it is this
There are risk, attacker need to only open an aperture at electric conductive carbon printing particle for design, inject conductive glue, the inspection being connected on mainboard
Survey signaling switch pad, you can remove POS shells without triggering POS machine self-destruction mechanism, how to solve the problems, such as this, be one
Research direction.
Invention content
The present invention proposes a kind of POS safety detections switch, and can strengthen POS tears machine monitoring function open to prevent from illegally tearing machine open.
The present invention uses following technical scheme.
A kind of POS safety detections switch, the detection switch include POS machine shell tamper position, tamper electric conductor, tear machine open
The tamper of monitoring switch and POS machine mainboard detects pad, and the machine monitoring switch of tearing open is located at tamper detection pad；The tamper
Electric conductor includes conduct piece and the conductive elastic component of piece shape, and the end face of piece shape elastic component is to connect electric face and other end is
Pressure-bearing surface, the conduct piece are fixed on the connecing at electric face of elastic component with insulation system；When tamper electric conductor is installed in anti-open and inspect
When surveying at pad, the pressure-bearing surface of elastic component is in contact with POS machine shell tamper position, and elastic component is in POS machine shell tamper portion
It is deformed under the pressure of position, the conduct piece at elastic component is made to be touched with the machine monitoring switch of tearing open, make to tear open machine monitoring switch in not triggering
State；When elastic component pressure-bearing surface is in non-pressure state, elastic component reset strap moving conductive part is detached with the machine monitoring switch of tearing open to be made
It tears machine monitoring switch open and is in triggering state.
The POS machine mainboard is equipped with self-destruction module, and the self-destruction module is opened with the machine monitoring of tearing open on tamper detection pad
It closes and is connected, when tearing machine monitoring switch open and be in triggering state, self-destruction module is to the startup self-destruction operation of POS machine mainboard.
The electric conductor is electric conductive carbon printing.
The conductive elastic component of described shape is metal clips.
The insulation system shaped with silica gel is equipped between the electric conductive carbon printing and metal clips.
Connecing for the elastic component is equipped with installation groove at electric face, the electric conductor and the insulation system shaped with silica gel are set to
At installation groove.
It is equipped with protection ring at the tamper detection pad, the metal clips connects with protection ring.
When the insulation system between electric conductive carbon printing and metal clips is destroyed so that electric conductive carbon printing is electrically connected with metal clips
When, it tears machine monitoring switch open and is in triggering state.
The present invention protects the tamper detection pad of POS machine with metal clips comprehensively, enhances and tears touching for machine monitoring switch open
Sensitivity is sent out, and increases trigger mechanism, to increase the attack difficulty to POS machine tamper mechanism；For example, if attack
Person corresponds to trepanning at electric conductive carbon printing at POS machine shell and attempts short circuit tamper detection pad, then will first be touched in Tapping procedures
To metal clips, trepanning difficulty is increased, electric conductive carbon printing and metal clips secondly can be caused to metal clips trepanning with metal bit
It is electrical connected, to make to tear open the triggering of machine monitoring switch, POS machine self-destruction；In addition, metal elastic will be made by removing the methods of POS machine shell
Piece loses pressure to which machine monitoring switch is torn in triggering open.
In the present invention, tamper is shrouded with metal clips and detects pad, attacker can be allowed to be difficult to observe tamper detection pad
Specific design, and after metal clips shrouds tamper detection pad, can form shielding case, allows the circuit work of tamper detection pad
It is more stable and reliable, and attacker is can effectively prevent using hard radiation to spy upon the concrete structure that tamper detects pad.
Description of the drawings
The present invention is described in more detail with reference to the accompanying drawings and detailed description：
Attached drawing 1 is the schematic diagram of the present invention；
Attached drawing 2 be the present invention tear open machine monitoring switch because POS machine shell tamper position be removed due to be in triggering state when
Schematic diagram；
In figure：The conductive elastic component of 1- piece shapes；2- insulation systems；3-POS casing body tampers position；4- tampers detect
Pad；21- conduct pieces.
Specific implementation mode
As shown in Figure 1, 2, a kind of POS safety detections switch, the detection switch include POS machine shell tamper position 3, prevent
It tears electric conductor open, tear machine monitoring switch open and the tamper of POS machine mainboard detection pad 4, the machine monitoring switch of tearing open is located at tamper detection
At pad 4；The tamper electric conductor includes conduct piece 21 and the conductive elastic component 1 of piece shape, the end face of piece shape elastic component 1
To connect electric face and other end is pressure-bearing surface, the conduct piece 21 is fixed on the connecing at electric face of elastic component 1 with insulation system 2；When
When tamper electric conductor is installed at tamper detection pad 4, the pressure-bearing surface of elastic component 1 connects with POS machine shell tamper position 3
It touches, and elastic component 1 deforms under the pressure at POS machine shell tamper position 3, make the conduct piece 21 at elastic component 1 and tears machine monitoring open
Switch touches, and makes to tear machine monitoring switch open and is in non-triggering state；When 1 pressure-bearing surface of elastic component is in non-pressure state, elastic component 1
Reset strap moving conductive part 21 is detached with the machine monitoring switch of tearing open to be made to tear open machine monitoring switch and is in triggering state.
The POS machine mainboard is equipped with self-destruction module, and the self-destruction module is opened with the machine monitoring of tearing open on tamper detection pad 4
It closes and is connected, when tearing machine monitoring switch open and be in triggering state, self-destruction module is to the startup self-destruction operation of POS machine mainboard.
The electric conductor 21 is electric conductive carbon printing.
The conductive elastic component 1 of described shape is metal clips.
The insulation system 2 shaped with silica gel is equipped between the electric conductive carbon printing and metal clips.
Connecing for the elastic component is equipped with installation groove at electric face, the electric conductor and the insulation system shaped with silica gel are set to
At installation groove.
It is equipped with protection ring at the tamper detection pad, the metal clips connects with protection ring.
When the insulation system 2 between electric conductive carbon printing and metal clips is destroyed so that electric conductive carbon printing is electrically connected with metal clips
When, it tears machine monitoring switch open and is in triggering state.
Embodiment：
Assembler assembles POS safety detections switch in POS machine shell；When the tamper of POS safety detections switch is conductive
When body is installed at the detection pad 4 of the tamper on mainboard, the pressure-bearing surface of elastic component 1 connects with POS machine shell tamper position 3
It touches, and elastic component 1 deforms under the pressure at POS machine shell tamper position 3, makes on the conduct piece 21 and mainboard at elastic component 1
Machine monitoring switch of tearing open on tamper detection pad 4 touches, and makes to tear machine monitoring switch open and is in non-triggering state；Then self-destruction module
Safety detection switch is accessed, self-destruction module carries battery powered, the tamper mechanism of POS machine is made to come into force.
If attacker, which attempts short circuit tamper, detects pad to bypass tamper mechanism, usual means are at POS machine shell
Trepanning at corresponding electric conductive carbon printing increases trepanning difficulty, secondly with gold then will first touch metal clips in Tapping procedures
Belonging to drill bit can cause electric conductive carbon printing and metal clips to be electrical connected metal clips trepanning, to make to tear open the triggering of machine monitoring switch,
POS machine starts self-destruction operation, and the self-destruction module of mainboard destroys the sensitive data in main board memory；In addition, removing POS machine shell
The methods of will make metal clips lose pressure to triggering tear machine monitoring switch open, POS machine can equally start self-destruction operation.
Claims (8)
1. a kind of POS safety detections switch, it is characterised in that：The detection switch includes that POS machine shell tamper position, tamper are led
Electric body, the tamper detection pad for tearing machine monitoring switch and POS machine mainboard open, it is described tear machine monitoring switch open and be located at tamper detect pad
Place；The tamper electric conductor includes conduct piece and the conductive elastic component of piece shape, and the end face of piece shape elastic component is to connect electric face
And other end is pressure-bearing surface, the conduct piece is fixed on the connecing at electric face of elastic component with insulation system；When tamper electric conductor quilt
When being installed at tamper detection pad, the pressure-bearing surface of elastic component is in contact with POS machine shell tamper position, and elastic component is in POS
It is deformed under the pressure at casing body tamper position, the conduct piece at elastic component is made to be touched with the machine monitoring switch of tearing open, made to tear open machine monitoring and open
It closes and is in non-triggering state；When elastic component pressure-bearing surface is in non-pressure state, elastic component reset strap moving conductive part is supervised with machine of tearing open
Slowdown monitoring switch separation, which makes to tear machine monitoring switch open, is in triggering state.
2. a kind of POS safety detections switch according to claim 1, it is characterised in that：The POS machine mainboard is equipped with certainly
Module is ruined, the self-destruction module is connected with the machine monitoring switch of tearing open on tamper detection pad, and triggering is in when tearing machine monitoring switch open
When state, self-destruction module starts self-destruction operation to POS machine mainboard.
3. a kind of POS safety detections switch according to claim 1, it is characterised in that：The electric conductor is electric conductive carbon printing.
4. a kind of POS safety detections switch according to claim 3, it is characterised in that：The conductive bullet of described shape
Property part be metal clips.
5. a kind of POS safety detections switch according to claim 4, it is characterised in that：The electric conductive carbon printing and metal elastic
The insulation system shaped with silica gel is equipped between piece.
6. a kind of POS safety detections switch according to claim 5, it is characterised in that：The elastic component connects at electric face
Equipped with installation groove, the electric conductor and with silica gel forming insulation system be set to installation groove at.
7. a kind of POS safety detections switch according to claim 5, it is characterised in that：It is set at the tamper detection pad
There are protection ring, the metal clips to connect with protection ring.
8. a kind of POS safety detections switch according to claim 7, it is characterised in that：When electric conductive carbon printing and metal clips
Between insulation system be destroyed so that when electric conductive carbon printing and metal clips are electrically connected, tear machine monitoring switch open and be in triggering state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611202833.1A CN106652259B (en) | 2016-12-23 | 2016-12-23 | A kind of POS safety detections switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611202833.1A CN106652259B (en) | 2016-12-23 | 2016-12-23 | A kind of POS safety detections switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106652259A CN106652259A (en) | 2017-05-10 |
| CN106652259B true CN106652259B (en) | 2018-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611202833.1A Active CN106652259B (en) | 2016-12-23 | 2016-12-23 | A kind of POS safety detections switch |
Country Status (1)
| Country | Link |
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| CN (1) | CN106652259B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107835170B (en) * | 2017-11-04 | 2021-04-20 | 上海动联信息技术股份有限公司 | Intelligent Pos equipment safety authorization dismantling system and method |
| CN108665652B (en) * | 2018-04-17 | 2023-11-03 | 西安易朴通讯技术有限公司 | Anti-dismantling device and terminal equipment |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5612675A (en) * | 1993-10-08 | 1997-03-18 | Intellitech International, Inc. | Anti-removal monitoring device |
| FR2806507B1 (en) * | 2000-03-17 | 2003-09-05 | Dassault Automatismes | ANTI-INTRUSION ELASTOMERIC MEMBRANE FOR SECURE ELECTRONIC UNITS |
| US8278948B2 (en) * | 2009-08-10 | 2012-10-02 | Apple Inc. | Mechanisms for detecting tampering of an electronic device |
| CN201667076U (en) * | 2010-04-02 | 2010-12-08 | 深圳市新国都技术股份有限公司 | Casing anti-dismounting protection structure |
| US8513548B2 (en) * | 2010-07-21 | 2013-08-20 | Maxim Integrated Products, Inc. | Keypad having tamper-resistant keys |
| CN202650016U (en) * | 2011-12-22 | 2013-01-02 | 福建联迪商用设备有限公司 | Physical security protection device for handheld devices |
| CN105451481B (en) * | 2014-08-19 | 2018-06-01 | 国基电子（上海）有限公司 | Anti-dismantling electronic device |
| GB2529622A (en) * | 2014-08-22 | 2016-03-02 | Johnson Electric Sa | Improvements in or relating to an anti-tamper device |
| CN105354517B (en) * | 2014-08-22 | 2018-06-08 | 南宁富桂精密工业有限公司 | Electronic product |
| CN105304386B (en) * | 2015-10-29 | 2017-07-18 | 福建新大陆支付技术有限公司 | Metal keyboard and its installation method with tamper contact |
| CN205264573U (en) * | 2015-10-29 | 2016-05-25 | 福建新大陆支付技术有限公司 | Metal keyboard with prevent tearing open contact |
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2016
- 2016-12-23 CN CN201611202833.1A patent/CN106652259B/en active Active
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| CN106652259A (en) | 2017-05-10 |
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