CN201364619Y - Core circuit protective structure of POS machine - Google Patents
Core circuit protective structure of POS machine Download PDFInfo
- Publication number
- CN201364619Y CN201364619Y CNU2009201371287U CN200920137128U CN201364619Y CN 201364619 Y CN201364619 Y CN 201364619Y CN U2009201371287 U CNU2009201371287 U CN U2009201371287U CN 200920137128 U CN200920137128 U CN 200920137128U CN 201364619 Y CN201364619 Y CN 201364619Y
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- circuit board
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- flexible cable
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Abstract
The utility model discloses a core circuit protective structure of a POS machine, which essentially comprises a main printed circuit board and a power supply circuit board, wherein the power supply circuit board is covered on the main printed circuit board which is provided with a CPU safety island, an IC card safety island and a safety device; when the CPU safety island or the IC card safety island sends out a warning signal, corresponding safety setting of the safety device is touched; the CPU safety island comprises a CPU and periphery parts, a CPU printed circuit, a closed frame, a closed frame flexible cable and conductive rubber; and the IC card safety island comprises an IC card printed circuit, a semi-closed frame, a semi-closed frame flexible cable and the conductive rubber. The core circuit protective structure can effectively ensure that the core circuit protective structure of the POS machine is in a non-operable state immediately after being attacked by physical means, and automatically wipe secret messages stored in the POS machine.
Description
Technical field
The utility model relates to POS machine field, relates in particular to the core circuit protection structure field of POS machine.
Background technology
Widely used in the market POS machine, the core circuit that it is inner all is to be directly installed in the housing as pcb board (printed circuit board (PCB)), CPU (central processing unit) etc., does not adopt protecting information safety.When externally using, other people are normal to adopt as boring, laser, chemical solvent, physical means such as detect by shell and ventilating opening attacks the core circuit of POS machine, obtain user's bank's key or guest's password, therefore the POS machine often exists many unsafe factors when financial industry is used.
World PCI (Payment Card Industry) qualification organization regulation, the POS machine must have the function of a series of protecting information safeties, to guarantee the safety of relevant sensitization information; The also mandatory provision of international linked groups, from July 1st, 2010, all POS machines must pass through PCI SSC (security standards council) and specify breadboard PCI authentication.
Summary of the invention
The purpose of this utility model is in order to adapt to the information security requirement of financial industry to the POS machine, a kind of POS machine that possesses attack protection and counteroffensive is provided, the core circuit that guarantees the POS machine is in not operable state immediately after being attacked by physical means, and wipes the secret information of depositing in the POS machine automatically.
For achieving the above object, the utility model mainly comprises main printed circuit board and power supply circuit board, power supply circuit board covers on the main printed circuit board, this main printed circuit board is provided with CPU safety island, IC-card safety island and safety feature, when CPU safety island or IC-card safety island send alarm signal, safety feature is touched, and triggers corresponding security set; The CPU safety island comprises CPU and circumferential component, the CPU P.e.c., the sealing frame, sealing frame flexible cable, conductive rubber, the sealing frame is fixed on the main printed circuit board, have the through hole of 2 or 2 above up/down perforations on the frame wall, CPU and circumferential component, the CPU P.e.c. is located in the sealing frame fully, sealing frame flexible cable covers the sealing frame outside fully, its origin or beginning and terminal make progress respectively, extend downwards and cover on the sealing frame through hole, conductive rubber is planted and is fixed on the sealing frame through hole, the P.e.c. that connects CPU P.e.c. and power supply circuit board, and connect sealing frame flexible cable simultaneously; The IC-card safety island comprises IC-card P.e.c., semi-closure frame, semi-closure frame flexible cable and conductive rubber, the semi-closure frame places on the main printed circuit board, have the through hole of 2 or 2 above up/down perforations on the frame wall, the IC-card P.e.c. is located in the semi-closure frame fully, semi-closure frame flexible cable covers the semi-closure frame outside fully, its origin or beginning and terminal extension up and down respectively cover on the semi-closure frame through hole, conductive rubber is planted and is fixed on the semi-closure frame through hole, connect the P.e.c. of IC-card P.e.c. and power supply circuit board, and connect semi-closure frame flexible cable simultaneously.
After adopting said structure, compare with the core circuit structure of existing P OS machine, the utlity model has following advantage:
1, sealing frame of the present utility model is fixed on the main printed circuit board, CPU and circumferential component, CPU P.e.c. are located in the sealing frame fully, the semi-closure frame is fixed on the main printed circuit board, the IC-card P.e.c. is located in the semi-closure frame fully, play a protective role, can prevent that other people from utilizing methods such as boring, laser, chemical solvent to come CPU P.e.c., IC-card P.e.c. are surveyed simultaneously;
2, the mesh lines signal of sealing frame flexible cable of the present utility model, semi-closure frame flexible cable is one group of detection signal, they directly link to each other with the detection pin of CPU, if the assailant is by attacks such as borings, make any mesh lines signal disconnection wherein or make any one group (totally two signal line) short circuit, CPU can both perceive under fire, wipe rapidly and be stored in the CPU sensitive information inside, thereby reach the protection effect;
If 3 open power supply printed circuit board (PCB) or main printed circuit board, conductive rubber will trigger safety feature, wants that like this to steal internal information also be impracticable by opening two circuit boards.
When actual production, conductive rubber of the present utility model is generally selected the elastomer connector bar of conduction for use.
For making warning sensitivity higher, flexible cable of the present utility model adopts the parallel cabling of the non-rule of grid to cover, and mesh lines spacing and line footpath are all less than 0.5mm.
Be to increase insulativity and anti-boring property, of the present utility model should the sealing frame, the semi-closure frame adopts ABS or ABS+PC material, thickness is greater than 4mm, preferred 5mm.
In a word, the utility model can ensure effectively that the core circuit of POS machine is in not operable state immediately after being attacked by physical means, and wipes the secret information of depositing in the POS machine automatically.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail:
Fig. 1 is a three-dimensional exploded view of the present utility model;
Fig. 2 is a side view of the present utility model;
Fig. 3 is the structural representation that the utility model is removed power supply circuit board;
Fig. 4 is the structural representation of sealing frame flexible cable of the present utility model;
Fig. 5 is the structural representation of semi-closure frame flexible cable of the present utility model.
Embodiment
See also Fig. 1～shown in Figure 3, the utility model mainly comprises main printed circuit board 1 and power supply circuit board 2, and power supply circuit board 2 covers on the main printed circuit board 1.
This main printed circuit board 1 is provided with CPU safety island 3, IC-card safety island 4, safety feature, and when CPU safety island 3 or IC-card safety island 4 send alarm signal, safety feature is touched, and triggers corresponding security set.CPU safety island 3 comprises CPU and circumferential component 31, CPU P.e.c. 32, sealing frame 33, sealing frame flexible cable 34 and conductive rubber 35; Sealing frame 33 is fixed on the main printed circuit board 1, has the through hole 331 of 4 up/down perforations on the frame wall, and CPU and circumferential component 31, CPU P.e.c. 32 are located in the sealing frame 33 fully; Sealing frame flexible cable 34 covers sealing frame 33 outsides fully, and its origin or beginning 341 and terminal 342 make progress respectively, extend downwards to cover and seal on the frame through hole 331; Conductive rubber 35 is planted and is fixed on the sealing frame through hole 331, connects the P.e.c. of CPU P.e.c. 32 and power supply circuit board 2, and connects sealing frame flexible cable 34 simultaneously.IC-card safety island 4 comprises IC-card P.e.c. 41, semi-closure frame 42, semi-closure frame flexible cable 43 and conductive rubber 35; Semi-closure frame 42 is fixed on the main printed circuit board 1, has the through hole 421 of 2 up/down perforations on the frame wall, and IC-card P.e.c. 41 is located in the semi-closure frame 42 fully; Semi-closure frame flexible cable 43 covers semi-closure frame 42 outsides fully, and its origin or beginning 431 and terminal 432 make progress respectively, extension downwards covers on the semi-closure frame through hole 421; Conductive rubber 35 is planted and is fixed on the semi-closure frame through hole 421, connects the P.e.c. of IC-card P.e.c. 41 and power supply circuit board 2, and connects semi-closure frame flexible cable 43 simultaneously.
When actual production, conductive rubber 35 of the present utility model is generally selected the elastomer connector bar of conduction for use; Sealing frame flexible cable 34 all adopts the parallel cabling of the non-rule of grid to cover with semi-closure frame flexible cable 43, and mesh lines spacing and line footpath are all less than 0.5mm; Its material adopts ABS or ABS+PC material, and thickness is greater than 4mm, preferred 5mm.
When assembling, will seal frame flexible cable 34 earlier and cover sealing frame 33 outsides, semi-closure frame flexible cable 43 covers semi-closure frame 42 outsides; To seal frame 33 again, semi-closure frame 42 is fixedly mounted on the relevant position on the main printed circuit board 1 respectively; Then conductive rubber 35 is planted and be fixed in sealing frame through hole 331, the semi-closure frame through hole 421; Cover power supply circuit board 2 at last.Because the origin or beginning 341 and the terminal 342 of sealing frame flexible cable 34 make progress respectively, extend downwards to cover and seal on the frame through hole 331; the P.e.c. and the sealing frame flexible cable that connect CPU P.e.c., power supply circuit board by conductive rubber 35; and the origin or beginning 431 of semi-closure frame flexible cable 43 and terminal 432 make progress respectively, extension downwards covers on the semi-closure frame through hole 421; connect IC-card P.e.c. 41, power supply circuit board 2 and semi-closure frame flexible cable 43 by conductive rubber 35, play the Global Macros effect.
Claims (5)
1, a kind of core circuit of POS machine protection structure, it mainly comprises main printed circuit board and power supply circuit board, power supply circuit board covers on the main printed circuit board, it is characterized in that:
This main printed circuit board is provided with CPU safety island, IC-card safety island and safety feature, and when CPU safety island or IC-card safety island send alarm signal, safety feature is touched, and triggers corresponding security set;
The CPU safety island comprises CPU and circumferential component, the CPU P.e.c., the sealing frame, sealing frame flexible cable and conductive rubber, the sealing frame is fixed on the main printed circuit board, have the through hole of 2 or 2 above up/down perforations on the frame wall, CPU and circumferential component, the CPU P.e.c. is located in the sealing frame fully, sealing frame flexible cable covers the sealing frame outside fully, its origin or beginning and terminal make progress respectively, extend downwards and cover on the sealing frame through hole, conductive rubber is planted and is fixed on the sealing frame through hole, the P.e.c. that connects CPU P.e.c. and power supply circuit board, and connect sealing frame flexible cable simultaneously;
The IC-card safety island comprises IC-card P.e.c., semi-closure frame, semi-closure frame flexible cable and conductive rubber, the semi-closure frame places on the main printed circuit board, have the through hole of 2 or 2 above up/down perforations on the frame wall, the IC-card P.e.c. is located in the semi-closure frame fully, semi-closure frame flexible cable covers the semi-closure frame outside fully, its origin or beginning and terminal extension up and down respectively cover on the semi-closure frame through hole, conductive rubber is planted and is fixed on the semi-closure frame through hole, connect the P.e.c. of IC-card P.e.c. and power supply circuit board, and connect semi-closure frame flexible cable simultaneously.
2, the core circuit of a kind of POS machine as claimed in claim 1 protection structure is characterized in that: this conductive rubber is the elastomer connector bar of conduction.
3, the core circuit of a kind of POS machine as claimed in claim 1 or 2 protection structure is characterized in that: this flexible cable is that the parallel cabling of the non-rule of grid covers, and mesh lines spacing and line footpath are all less than 0.5mm.
4, the core circuit of a kind of POS machine as claimed in claim 1 or 2 protection structure is characterized in that: this sealing frame, semi-closure frame adopt ABS or ABS+PC material, and thickness is greater than 4mm, preferably 5mm.
5, the core circuit of a kind of POS machine as claimed in claim 3 protection structure is characterized in that: this sealing frame, semi-closure frame adopt ABS or ABS+PC material, and thickness is greater than 4mm, preferably 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201371287U CN201364619Y (en) | 2009-03-18 | 2009-03-18 | Core circuit protective structure of POS machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201371287U CN201364619Y (en) | 2009-03-18 | 2009-03-18 | Core circuit protective structure of POS machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201364619Y true CN201364619Y (en) | 2009-12-16 |
Family
ID=41475289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201371287U Expired - Fee Related CN201364619Y (en) | 2009-03-18 | 2009-03-18 | Core circuit protective structure of POS machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201364619Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103514674A (en) * | 2012-06-14 | 2014-01-15 | 马克西姆综合产品公司 | Smart card reader |
| CN104703386A (en) * | 2015-03-16 | 2015-06-10 | 福建新大陆支付技术有限公司 | Liquid crystal screen safety protection method, liquid crystal screen safety protection device, protecting circuit board thereof and manufacturing method |
-
2009
- 2009-03-18 CN CNU2009201371287U patent/CN201364619Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103514674A (en) * | 2012-06-14 | 2014-01-15 | 马克西姆综合产品公司 | Smart card reader |
| CN103514674B (en) * | 2012-06-14 | 2017-11-14 | 马克西姆综合产品公司 | Intelligent card reading |
| CN104703386A (en) * | 2015-03-16 | 2015-06-10 | 福建新大陆支付技术有限公司 | Liquid crystal screen safety protection method, liquid crystal screen safety protection device, protecting circuit board thereof and manufacturing method |
| CN104703386B (en) * | 2015-03-16 | 2017-11-10 | 福建新大陆支付技术有限公司 | Liquid crystal display method for security protection, device and its protection circuit plate and preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20140318 |