CN106781116B

CN106781116B - Intelligent POS terminal core area protection structure

Info

Publication number: CN106781116B
Application number: CN201710080501.9A
Authority: CN
Inventors: 陈文耀; 谢纯珀
Original assignee: Fujian Morefun Electronic Technology Co ltd
Current assignee: Fujian Morefun Electronic Technology Co ltd
Priority date: 2017-02-15
Filing date: 2017-02-15
Publication date: 2023-05-16
Anticipated expiration: 2037-02-15
Also published as: CN106781116A

Abstract

The utility model provides an intelligent POS terminal core area protection structure which comprises a liquid crystal module, a main board, an IC card seat, a POS terminal android core module, at least two safety MESH surrounding wallboards, a liquid crystal anti-disassembly safety contact and a conductive zebra stripe, wherein the liquid crystal module is connected with the main board; the IC card seat, the POS terminal android core module, the two safety MESH wall boards, the liquid crystal anti-disassembly safety contact and the conductive zebra stripes are all arranged between the main board and the liquid crystal module; the two safety MESH surrounding wallboards and the liquid crystal anti-disassembly safety contacts are distributed on the FPC board of the liquid crystal module; the two safety MESH enclosing wall boards are symmetrically arranged on two sides of the liquid crystal module; the IC card seat, the two safety MESH enclosing boards, the POS terminal android core module, the main board and the liquid crystal module form a physical safety core area; the intelligent POS product core safety design method has the characteristics of safety, reliability and simplicity, and can effectively solve the problems of excessively complex core safety design structure and high design cost of the existing intelligent POS product.

Description

Intelligent POS terminal core area protection structure

Technical Field

The utility model relates to the field of financial POS products, in particular to an intelligent POS terminal core area protection structure.

Background

According to the general running situation of the central payment system, the POS terminals in China keep the rapidly growing momentum in quantity in recent years, and the POS terminals also show diversity change in payment scenes. The fusion of payment and industry application realizes function expansion by integrating the industry application in POS; the system is integrated with personal equipment, and realizes payment at any time and any place by combining POS with personal terminals such as smart phones and the like; in combination with O2O, payment scenario switching is achieved by integrating an O2O application in the POS.

With the increasing development of payment demand, the POS becomes more and more intelligent as payment platforms become increasingly open. An intelligent POS similar to a mobile phone full touch screen gradually becomes a main flow characteristic of the intelligent POS. The openness of the smart phone system contradicts the security of the POS, which requires that the smart POS security design and authentication be significantly different from the conventional POS. For conventional POS, in addition to secure CPU and corresponding core area, key area is also critical, requiring multiple protections. And since the intelligent POS is full touch screen, the password input by the touch screen is not monitored, and the like. For traditional POS manufacturers, without the design authentication experience of smart POS, employing traditional security measures to pass detection and authentication often requires a lengthy attempt and wait, and is costly.

At present, most of the designs of the existing patent technology or the intelligent POS physical core area on the market adopt the traditional POS mode, a special safety island is arranged, a safety island area is dug out by using a PCB fence and a bracket or a thick plate PCB, a large module plate/safety plate is used as a cover plate, and the other surface of the safety island is protected by using a safety flexible circuit board FPC to protect sensitive models or directly distribute printed boards HDI by using second-order production.

The prior art discloses a POS machine anti-disassembly protection structure, see publication number: CN205176993U, publication date: 2016-04-20, the utility model discloses a POS machine anti-disassembly protection structure, which comprises a PCB board and a Mesh wire wallboard, wherein the PCB board and the Mesh wire wallboard are arranged in the POS machine, the Mesh wire wallboard is arranged on the PCB board, a wire is arranged in the Mesh wire wallboard, and the wire is connected with an internal circuit of the POS machine. According to the anti-disassembly protection structure provided by the utility model, the Mesh wire wallboard is arranged around the safety contact, so that when the POS machine is attacked by the side face, the wires in the Mesh wire wallboard trigger the protection program of the POS machine, and the safety of user data is ensured; although the utility model also uses Mesh wire wallboard, the structure is different from the patent application, and the structure is a space surrounded by four Mesh wire wallboard and has low safety.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the intelligent POS terminal core area protection structure, so that the complicated production process is simplified, the extra manual welding is removed, the production efficiency is improved, and the reliability is greatly improved; the intelligent POS product core safety design method has the characteristics of safety, reliability and simplicity, and can effectively solve the problems of excessively complex core safety design structure and high design cost of the existing intelligent POS product.

The utility model is realized in the following way: the utility model provides an intelligent POS terminal core area protective structure, includes liquid crystal module, mainboard, IC card seat and POS terminal android core module, and protective structure still includes two at least safe MESH enclosing wall boards, a liquid crystal prevents tearing open safety contact and a conductive zebra stripe; the IC card seat, the POS terminal android core module, the two safety MESH wall boards, the liquid crystal anti-disassembly safety contact and the conductive zebra stripes are all arranged between the main board and the liquid crystal module; the IC card is positioned below the surface of the main board, and the POS terminal android core module is positioned in the middle of the surface of the main board; the two safety MESH surrounding wallboards and the liquid crystal anti-disassembly safety contacts are distributed on the FPC board of the liquid crystal module; the two safety MESH enclosing wall boards are symmetrically arranged on two sides of the liquid crystal module; the IC card seat, the two safety MESH enclosing boards, the POS terminal android core module, the main board and the liquid crystal module form a physical safety core area; the liquid crystal anti-disassembly safety contact and the conductive zebra stripes are positioned in the core area; the two safety MESH wall plates and the liquid crystal anti-disassembly safety contact can prevent the liquid crystal module from being turned over for detection.

Further, devices related to POS terminal safety are arranged in the core area; the device includes a secure CPU, an IC card circuit, a magnetic stripe card circuit, or a touch screen circuit.

Further, the principle of safety protection of the liquid crystal module is as follows: the touch screen of the liquid crystal module is specially controlled by a safe CPU, the liquid crystal module and the shell are fixed by strong glue, the liquid crystal module is difficult to detach, the FPC board wiring on the liquid crystal module is required to run a safe dynamic MESH wall board wiring to prevent drilling detection, the back structure of the liquid crystal module is designed with a liquid crystal anti-disassembly safety contact and a conductive zebra stripe position, and the two positions are located in a core area, so that the safety of the top layer of the whole core area is ensured by mutual protection, and the attack from a liquid crystal surface is ensured to be ineffective.

Further, the safety protection principle of the IC card seat is as follows: the IC card seat is a metal shell and can be prevented from being prized, the contacts of the IC card seat are inside and are difficult to detect from the card insertion opening, the height of the IC card seat is 2-4 mm, the IC card seat is used as a safety fence in a core area, and the contacts of the IC card seat are located in the core area and protected.

Further, the safety protection principle of the android core module of the POS terminal is as follows: the height of the android core module of the POS terminal is close to 3mm, and the POS terminal is provided with a protective shielding cover through modularized packaging, so that the POS terminal is difficult to attack through a side face.

Further, the safety protection principle of the two safety MESH surrounding wallboards is as follows: the safety MESH wall board is a 4-layer PCB board with the thickness of 3.0mm, and double-layer dynamic safety MESH is distributed on the PCB board, so that the side detection attack can be prevented.

Further, the principle of safety protection of the main board is as follows: the main board is a 6-layer common PCB board with the thickness of 1.6mm, the front surface of the main board faces the liquid crystal module, and the main board is connected with the liquid crystal module through conductive plastic carbon particles and conductive zebra stripes, so that the liquid crystal module is prevented from being separated from the main board; two layers of independent dynamic safety MESH are distributed in the middle of the main board, and safety protection measures are designed on the back of the main board to prevent attacks from being initiated from the side of the battery to the front of the main board.

The utility model has the following advantages: the protection structure comprises a liquid crystal module, a main board, an IC card seat, a POS terminal android core module, at least two safety MESH wall panels, a liquid crystal anti-disassembly safety contact and a conductive zebra stripe; the protection principles of all the components are combined together to generate mutual protection, and the safety is nested in multiple stages, so that the highest-level physical protection core area is formed. For example, the safety island is attacked from the front, the liquid crystal is turned over, the two safety MESH surrounding wall boards and the liquid crystal anti-disassembly safety contacts are removed, the two safety MESH surrounding wall boards and the liquid crystal anti-disassembly safety contacts are located in the core area and cannot be attacked directly, all devices related to safety can be placed in the core area, the wires related to safety and the through holes can be designed at will in the core area, so that the convenience of design is improved to the greatest extent, in addition, the production process is greatly simplified, and the processing cost is also remarkably reduced.

Drawings

The utility model will be further described with reference to examples of embodiments with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the present utility model.

Detailed Description

Referring to fig. 1, an intelligent POS terminal core area protection structure includes a liquid crystal module 1, a motherboard 2, an IC card holder 3, and a POS terminal android core module 4, and the protection structure further includes at least two safety MESH wall panels 5, a liquid crystal anti-disassembly safety contact 6, and a conductive zebra stripe 7; the IC card seat 1, the POS terminal android core module 4, the two safety MESH wall boards 5, the liquid crystal anti-disassembly safety contact 6 and the conductive zebra stripes 7 are all arranged between the main board 2 and the liquid crystal module 1; the IC card seat 3 is positioned below the surface of the main board 2, and the POS terminal android core module 4 is positioned in the middle of the surface of the main board 2; the two safety MESH enclosing wall plates 5 and the liquid crystal anti-disassembly safety contact 6 are distributed on an FPC board (not shown) of the liquid crystal module; the two safety MESH surrounding wallboards 5 are symmetrically arranged on the two sides of the liquid crystal module 1; the IC card seat 3, the two safety MESH wall boards 5, the POS terminal android core module 4, the main board 2 and the liquid crystal module 1 form a physical safety core area 8; the liquid crystal anti-disassembly safety contact 6 and the conductive zebra stripes 7 are positioned in the core area 8; the two safety MESH wall plates 5 and the liquid crystal anti-disassembly safety contact 6 can prevent the liquid crystal module 1 from being turned over and detected.

The liquid crystal module (comprising a touch screen) is of a full-fitting design and cannot be separated, and meanwhile, the liquid crystal module is provided with two safety MESH wall boards 5 and a liquid crystal anti-disassembly safety contact 6, so that the liquid crystal module can be prevented from being turned over and detected; the safe IC card seat is a metal card seat, has compact structure, and contacts are arranged inside the card seat and are difficult to detach and detect outside; the POS terminal comprises an android core module, wherein the module is a core board module which is made of a mobile phone film-covering scheme by a communication module manufacturer, supports an android system and a 4G network, and is impossible to replace or remove, so that the module can be used as a security fence; the safety MESH wall board 5 is a fence board with dynamic safety MESH protection, and cannot be attacked from the outside; the main board is a main board with double-layer dynamic MESH protection, and attacks from one side of the back of the main board are prevented. Through the combined action of liquid crystal module, mainboard, IC cassette, POS terminal android core module, about two at least safe MESH enclose the wallboard about, enclose into a super high core area 8 of physical security level, wherein, liquid crystal module 1, mainboard 2, IC cassette 3 and POS terminal android core module 4 are the part of intelligent POS basis, only two safe MESH enclose wallboard 5, a liquid crystal prevent tearing open safety contact 6 and a electrically conductive zebra stripe 7 are the erection that is used for assisting the core area of extra interpolation. The security CPU, MESH signal, SWITCH signal, IC card circuit, magnetic stripe card circuit, touch screen circuit, etc. related to POS security can be distributed in the core area.

Safety protection principle of liquid crystal module 1: an important difference between intelligent POS and traditional POS is that there is no key and full touch screen, which makes the protection of liquid crystal module (including touch screen) very important. Except that the touch screen signal is controlled by the security CPU, the input amount and the password cannot be tampered with. The fixing of the liquid crystal module and the shell is difficult to detach by using special strong glue, in addition, the FPC board wiring on the liquid crystal module is required to run a safe dynamic MESH wiring to prevent drilling detection, the back surface structure of the liquid crystal module is designed with the positions of the liquid crystal anti-disassembly safety contact 6 and the conductive zebra stripes 7, and the positions are preferably in a core area, so that the positions are mutually protected, the safety of the top layer of the whole core physical area is ensured to the greatest extent, and the attack from the liquid crystal surface is ensured to be ineffective.

Safety protection principle of IC card holder 3: the safety IC card seat is a metal shell, the pick-proof contact is arranged inside, the contact is difficult to detect from the bayonet, the height of the IC card seat is about 3mm, the safety IC card seat can be used as a safety fence in a core area, and the contact is just protected in the core area.

Safety protection principle of POS terminal android core module 4: the android core module C is a system core component and is responsible for most of functions of the intelligent POS, comprises a part of a liquid crystal display related to safety, needs to prevent amount display or other display information related to safety from being tampered, has a height close to 3mm, is difficult to pass through a side attack by means of modularized packaging and is provided with a protective shielding cover, and the liquid crystal display related part is also located in a core area 8 and can be used as a safety fence at one side of the core area.

Safety protection principle of two safety MESH wall panels 5: the safe MESH fence board is a 4-layer PCB board with the thickness of 3.0mm, and the board is provided with double-layer dynamic safe MESH, so that the attack from the side surface can be prevented, and the safe island fence similar to the traditional POS is formed together with the POS terminal android core module 4 and the IC card seat 3.

Principle of safety protection of motherboard 2: the mainboard is the ordinary PCB board of 6 layers that thickness is 1.6mm, and this board front surface is towards the LCD module, and there are safe SWITCH point and safe MESH in the mainboard with the LCD module interval, and this SWITCH is located core region 8 with the MESH, connects mainboard and LCD module through electrically conductive plastic carbon grain and electrically conductive zebra stripe, prevents that LCD module and mainboard from separating. Two layers of independent dynamic safety MESH are distributed in the middle of the main board, and safety protection measures are designed on the back of the main board to prevent attacks from being initiated from the side of the battery to the front of the main board.

In a word, the prior art mostly adopts traditional POS's mode, uses special safety island, occupation space, and the structure is complicated. The utility model uses the existing components and structure of the intelligent POS terminal to form the physical core safety zone, and has simple structure and compact space; most of the prior art adopts a safe mode to process boards which are required to be welded manually or a plurality of boards, the process is complex, the cost is high, and the failure rate is high. The safety MESH wall board designed by the utility model has only one type, can be used as a standard device to be welded together through a furnace, does not need manual intervention, and has the advantages of simplified process, low cost, safety and reliability.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the utility model, and that equivalent modifications and variations of the utility model in light of the spirit of the utility model will be covered by the claims of the present utility model.

Claims

1. The utility model provides an intelligent POS terminal core district protective structure, includes liquid crystal module, mainboard, IC-card seat and POS terminal android core module, its characterized in that: the protective structure also comprises at least two safety MESH surrounding wallboards, a liquid crystal anti-disassembly safety contact and a conductive zebra stripe; the IC card seat, the POS terminal android core module, the two safety MESH wall boards, the liquid crystal anti-disassembly safety contact and the conductive zebra stripes are all arranged between the main board and the liquid crystal module; the IC card is positioned below the surface of the main board, and the POS terminal android core module is positioned in the middle of the surface of the main board; the two safety MESH surrounding wallboards and the liquid crystal anti-disassembly safety contacts are distributed on the FPC board of the liquid crystal module; the two safety MESH enclosing wall boards are symmetrically arranged on two sides of the liquid crystal module; the IC card seat, the two safety MESH enclosing boards, the POS terminal android core module, the main board and the liquid crystal module form a physical safety core area; the liquid crystal anti-disassembly safety contact and the conductive zebra stripes are positioned in the core area; the two safety MESH wall plates and the liquid crystal anti-disassembly safety contact can prevent the liquid crystal module from being turned over for detection;

devices related to POS terminal safety are arranged in the core area; the device comprises a secure CPU, an IC card circuit, a magnetic stripe card circuit or a touch screen circuit;

the liquid crystal module has the safety protection principle that: the touch screen of the liquid crystal module is specially controlled by a safety CPU, the fixation of the liquid crystal module and the shell is difficult to detach by adopting strong glue, the FPC board wiring on the liquid crystal module is required to run a safety dynamic MESH wall board wiring to prevent drilling detection, the back structure of the liquid crystal module is designed with a liquid crystal anti-disassembly safety contact and a conductive zebra stripe position, and the two positions are positioned in a core area, so that the safety of the top layer of the whole core area is ensured by mutual protection, and the attack from a liquid crystal surface cannot be effective;

the safety protection principle of the IC card seat is as follows: the IC card seat is a metal shell which can be prevented from being prized, the contacts of the IC card seat are inside and are difficult to detect from the card inserting opening, the height of the IC card seat is 2-4 mm, the IC card seat is used as a safety fence of a core area, and the contacts of the IC card seat are positioned in the core area and protected;

safety protection principle of android core module of POS terminal: the height of the android core module of the POS terminal is close to 3mm, and the POS terminal is provided with a protective shielding cover through modularized packaging, so that the POS terminal is difficult to attack through a side face.

2. The intelligent POS terminal core area protection architecture of claim 1, wherein: safety protection principle of two safety MESH enclosing wall boards: the safety MESH wall board is a 4-layer PCB board with the thickness of 3.0mm, and double-layer dynamic safety MESH is distributed on the PCB board, so that the side detection attack can be prevented.

3. The intelligent POS terminal core area protection architecture of claim 1, wherein: the principle of safety protection of the main board is as follows: the main board is a 6-layer common PCB board with the thickness of 1.6mm, the front surface of the main board faces the liquid crystal module, and the main board is connected with the liquid crystal module through conductive plastic carbon particles and conductive zebra stripes, so that the liquid crystal module is prevented from being separated from the main board; two layers of independent dynamic safety MESH are distributed in the middle of the main board, and safety protection measures are designed on the back of the main board to prevent attacks from being initiated from the side of the battery to the front of the main board.