CN220873075U

CN220873075U - TP module protection device and POS machine

Info

Publication number: CN220873075U
Application number: CN202322068753.3U
Authority: CN
Inventors: 李芬; 向阳
Original assignee: Shenzhen Xinguodu Tech Co Ltd
Current assignee: Shenzhen Xinguodu Tech Co Ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-04-30
Anticipated expiration: 2033-08-02

Abstract

The application discloses a TP module protection device and a POS machine, which are used for improving the protection level of a TP module. The device of the application comprises: the device comprises a main board, a TP module, a first baffle, a second baffle, a first zebra stripes and a second zebra stripes; the second baffle is connected with the main board; the first baffle is connected with the second baffle; the second zebra stripes are arranged on the left side of the second baffle, and the first zebra stripes are arranged on the right side of the second baffle; the TP module is arranged between the first baffle and the second baffle; the TP module comprises a security chip and a signal wire FPC; three paths of detection signals in the safety chip are fixed on the second baffle through the signal line FPC, are connected into the first baffle through the second zebra stripes, are subjected to safety MESH winding in the first baffle, are connected into the second baffle through the first zebra stripes, are subjected to safety MESH winding in the second baffle, enter the first baffle through the first zebra stripes, are subjected to safety MESH winding, enter the signal line FPC through the second zebra stripes, and return to the main board to form a detection protection loop.

Description

TP module protection device and POS machine

Technical Field

The application relates to the technical field of POS (point of sale) machines, in particular to a TP (Transmission protocol) module protection device and a POS machine.

Background

Along with development and application of information technology, financial payment is widely applied to daily life of people, and most of business places such as most supermarkets and specialty shops are provided with financial payment terminal devices such as POS (point of sale) machines. People can conveniently carry out financial payment through the POS machine and merchants in the shopping process, financial payment relates to data such as financial information of users, and once the data are stolen, the consequences are serious, so the safety performance of the POS machine is very important for the users.

In the prior art, in PCI authentication physical security design of payment industry, 1-path detection signals of an SP end of a main board security chip are mainly adopted for physical security protection of a TP module and enter a TP FPC through a TP connector, and the detection signals return to the main board end to form a loop after detecting the surface of the TP FPC to carry out security MESH winding so as to protect the physical security of the TP module.

However, the problem that the protection level is low because the TP module only carries out the safe MESH winding on one side, and the PCI authentication requirement can be met only by adding the silver paste film and the zebra stripes for auxiliary protection, however, the silver paste film and the zebra stripes are easily affected by high and low temperature, which can lead to poor stability of the POS machine and easy false triggering.

Disclosure of utility model

In order to solve the problems, the application provides a TP module protection device and a POS machine, which are used for improving the protection level of a TP module.

The first aspect of the present application provides a TP module protection device, including: the device comprises a main board, a TP module, a first baffle, a second baffle, a first zebra stripes and a second zebra stripes;

the second baffle is connected with the main board;

the first baffle is connected with the second baffle and is positioned at the front end of the first baffle;

The second zebra stripes are arranged on the left side of the second baffle, the first zebra stripes are arranged on the right side of the second baffle, and the second zebra stripes and the first zebra stripes are arranged between the first baffle and the second baffle;

The TP module is arranged between the first baffle and the second baffle, and is positioned between the first zebra stripes and the second zebra stripes;

the TP module comprises a security chip and a signal line FPC;

Three paths of detection signals in the safety chip are fixed on the second baffle through a signal line FPC, are connected into the first baffle through a second zebra stripe, are subjected to safety MESH winding in the first baffle, are connected into the second baffle through the first zebra stripe, are subjected to safety MESH winding in the second baffle, enter the first baffle through the first zebra stripe, are subjected to safety MESH winding, enter the signal line FPC through the second zebra stripe, and return to the main board to form a detection protection loop.

Optionally, the first zebra stripes are parallel to the second zebra stripes.

Optionally, the apparatus further comprises: a first connecting piece and a second connecting piece;

The first baffle is connected with the second baffle through the first connecting piece and the second connecting piece.

Optionally, the second baffle is perpendicular to the main board.

Optionally, the safety MESH winding is formed by winding a plurality of signal wires.

Optionally, the first baffle and the second baffle are parallel to each other.

The second aspect of the present application provides a POS machine, where the POS machine includes the TP module protection device according to any one of the first aspect of the present application.

From the above technical scheme, the application has the following advantages: the TP module is arranged between a first baffle and a second baffle, wherein three paths of detection signals (SD 0/SD1/SD 2) in a security chip are fixed on the second baffle through a signal line FPC, the first baffle is connected with a second zebra stripe, a security MESH winding is carried out in the first baffle, the second baffle is connected with the first zebra stripe, a security MESH winding is carried out in the second baffle, the security MESH winding is carried out in the first baffle through the first zebra stripe, the security MESH winding is carried out in the first baffle, the second signal line FPC is carried out through the second zebra stripe, and the detection protection loop is formed after the detection protection loop returns to a main board; when the triggering protection loop is detected to be disconnected, responding to a protection mechanism of the POS machine; through above-mentioned TP module protection device, need not carry out the MESH wire winding in the inside TP module to realized MESH wire winding through first baffle and second baffle on the both sides of TP module, thereby improved the safety protection level, and need not increase the silver paste film and assist, improved POS machine's stability and reliability.

Drawings

Fig. 1 is a schematic partial structure of an embodiment of a TP module protection device according to the present application;

Fig. 2 is a schematic structural diagram of another embodiment of a TP module protection device provided by the present application;

FIG. 3 is a schematic structural diagram of an embodiment of a POS machine according to the present application.

Detailed Description

The application provides a TP module protection device and a POS machine, which are used for improving the protection level of a TP module.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely used to illustrate the relative positional relationships between the components or portions, and do not particularly limit the specific mounting orientations of the components or portions.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure for the purpose of understanding and reading by those skilled in the art, and are not intended to limit the scope of the application, which is defined by the appended claims, so that any structural modifications, proportional changes, or dimensional adjustments should not be made in the essential significance of the present disclosure without affecting the efficacy or achievement of the present application.

Furthermore, the terms "first," "second," "third," and the like in this description, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than described or illustrated herein.

The following description of the embodiments of the present application will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

PCI (PAYMENT CARD Industry) authentication in this embodiment refers to authentication of the payment card Industry, FPC (Flexible Printed Circuit) refers to flexible circuit board.

Referring to fig. 1 to 2, a first aspect of the present application provides a TP module protection device, including: the device comprises a main board 1, a TP module 2, a first baffle 3, a second baffle 4, a first zebra stripes 5 and a second zebra stripes 6; the second baffle 4 is connected with the main board 1; the first baffle plate 3 is connected with the second baffle plate 4 and is positioned at the front end of the first baffle plate 3; the second zebra stripes 6 are arranged on the left side of the second baffle 4, the first zebra stripes 5 are arranged on the right side of the second baffle 4, and the second zebra stripes 6 and the first zebra stripes 5 are arranged between the first baffle 3 and the second baffle 4; the TP module 2 is arranged between the first baffle 3 and the second baffle 4, and the TP module 2 is arranged between the first zebra stripes 5 and the second zebra stripes 6; the TP module 2 comprises a security chip and a signal wire FPC; three paths of detection signals in the safety chip are fixed on the second baffle 4 through the signal line FPC, are connected into the first baffle 3 through the second zebra stripes 6, are wound in a safety MESH mode in the first baffle 3, are connected into the second baffle 4 through the first zebra stripes 5, are wound in a safety MESH mode in the second baffle 4, enter the first baffle 3 through the first zebra stripes 5, are wound in a safety MESH mode, enter the signal line FPC through the second zebra stripes 6, and return to the main board 1 to form a detection protection loop.

In this embodiment, since the physical security requirement of PCI authentication monitors PIN input security, the PIN input to the TP module is prevented from leaking, and physical security protection design is required to be performed in the TP module; in the embodiment of the application, the front and back attack detection of the TP module 2 is blocked by the combination of the first baffle 3 and the second baffle 4 which are arranged at the front and back of the TP module 2 and the first zebra stripes 5 and the second zebra stripes 6 which are arranged at the left and right of the TP module, so that the TP module 2 meets the PCI authentication requirement; three paths of detection signals (SD 0/SD1/SD 2) in the security chip are fixed on the second baffle 4 through a signal line FPC, are connected into the first baffle 3 through the second zebra stripes 6, are subjected to security MESH winding in the first baffle 3, are connected into the second baffle 4 through the first zebra stripes 5, are subjected to security MESH winding in the second baffle 4, are connected into the first baffle 3 through the first zebra stripes 5, are connected into the signal line FPC through the second zebra stripes 6, and return to the main board 1 to form a detection protection loop; when the detection signal of each path of the security chip detects that the corresponding loop is disconnected, the TP module is possibly attacked physically at the moment, and the protection mechanism is responded immediately.

Through above-mentioned TP module 2 protection device, need not carry out the MESH wire winding in the inside of TP module 2 to realized MESH wire winding through first baffle 3 and second baffle 4 in the two sides of TP module 2, thereby improved the safety protection level, and need not increase the silver paste film and assist, improved POS machine's stability and reliability.

Optionally, the first zebra stripes 5 are parallel to the second zebra stripes 6.

In this embodiment, the first zebra stripes 5 and the second zebra stripes 6 are parallel to each other, and the distance from the TP module 2 to the first zebra stripes 5 is equal to the distance from the TP module 2 to the second zebra stripes 6, and the TP module 2 is located between the first zebra stripes 5 and the second zebra stripes 6.

Optionally, the apparatus further comprises: a first connector 7 and a second connector 8; the first baffle 3 is connected to the second baffle 4 by a first connector 7 and a second connector 8.

In this embodiment, the first baffle 3 is connected with the second baffle 4 through the first connecting piece 7 and the second connecting piece 8, wherein the first connecting piece 7 and the second connecting piece 8 can be fastening structures with bolt and nut matched, and the first baffle 3 is detachably connected with the second baffle 4 through the first connecting piece 7 and the second connecting piece 8, so that when the first baffle 3 is damaged, replacement is facilitated.

Optionally, the second baffle 4 is perpendicular to the main board 1.

In this embodiment, the second baffle 4 is perpendicular to the main board 1, and the second baffle 4 is detachably connected to the main board 1.

Optionally, the safety MESH winding is wound by a plurality of signal wires.

In this embodiment, the safety MESH winding is formed by winding a plurality of signal wires, and the number and arrangement manner of the signal wires of the safety MESH winding can be determined according to safety requirements, for example, the signal wires are three in and three out, are arranged at intervals, and are mutually wound.

Optionally, the first baffle 3 and the second baffle 4 are parallel to each other.

Referring to FIG. 3, FIG. Shen Di provides a POS machine, POS machine 100 including any one of the TP module protectors of the first embodiment described above.

In this embodiment, the TP module protection device is installed on the POS machine 100, so as to protect keys and other sensitive information on the POS machine 100, three paths of detection signals (SD 0/SD1/SD 2) in the security chip are respectively (low level/high level/low level) in each path of loop signal level default, when the security chip detects that the loop signal level changes, for example, the default low level changes to high level or the default high level changes to low level, the POS machine immediately responds to the operation of erasing keys and other sensitive information, so that the POS machine is inoperable, i.e., when the TP module protection device is physically attacked, the protection mechanism of the POS machine 100 is immediately responded to erase keys and other sensitive information on the POS machine 100, so that information leakage is prevented, and the security of the POS machine 100 is improved, for example, the three paths of detection signals SD1 in the security chip are low level by default, when any one of the FPC, the first zebra stripe 5, the second zebra stripe 6, the first barrier 3 and the second barrier 4 in the combined loop is detached or disconnected, the security chip detects that the three paths of detection signals SD1 therein are immediately responding to the protection mechanism of the POS machine, and the corresponding operation of the POS machine is not performed by the security chip.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A TP module protection device, the device comprising: the device comprises a main board (1), a TP module (2), a first baffle (3), a second baffle (4), a first zebra stripe (5) and a second zebra stripe (6);

The second baffle (4) is connected with the main board (1);

The first baffle (3) is connected with the second baffle (4) and is positioned at the front end of the first baffle (3);

The second zebra stripes (6) are arranged on the left side of the second baffle (4), the first zebra stripes (5) are arranged on the right side of the second baffle (4), and the second zebra stripes (6) and the first zebra stripes (5) are arranged between the first baffle (3) and the second baffle (4);

The TP module (2) is arranged between the first baffle (3) and the second baffle (4), and the TP module (2) is positioned between the first zebra stripes (5) and the second zebra stripes (6);

The TP module (2) comprises a security chip and a signal line FPC;

Three routes of detection signals in the safety chip are fixed on the second baffle (4) through the signal line FPC, access to the first baffle (3) through the second zebra stripes (6), and carry out safe MESH wire winding in the first baffle (3), access to the second baffle (4) through the first zebra stripes (5), and carry out safe MESH wire winding in the second baffle (4), and carry out safe MESH wire winding in entering the first baffle (3) through the first zebra stripes (5), the rethread second zebra stripes (6) enter the signal line FPC, return to the mainboard (1), and form a detection protection loop.

2. TP module protection device according to claim 1, characterized in that the first zebra stripes (5) and the second zebra stripes (6) are parallel to each other.

3. The TP module protection device of claim 1, further comprising: a first connecting piece (7) and a second connecting piece (8);

the first baffle (3) is connected with the second baffle (4) through the first connecting piece (7) and the second connecting piece (8).

4. TP module protection device according to claim 1, characterized in that the second baffle (4) is perpendicular to the main board (1).

5. The TP module protection device of any of claims 1-4, wherein the safety MESH wire is wound from a plurality of signal traces.

6. TP module protection device according to any of claims 1-4, characterized in that the first baffle (3) and the second baffle (4) are parallel to each other.

7. A POS machine, characterized in that the POS machine (100) comprises a TP module protection device according to any one of claims 1 to 6.