CN213690846U - POS machine prevent tearing open structure and POS machine - Google Patents

Abstract

The utility model relates to a financial transaction technical field especially relates to a POS machine prevent tearing open structure and POS machine. The anti-dismantling structure of the POS machine comprises an anti-dismantling switch, wherein the anti-dismantling switch is arranged on a circuit board and is positioned between a first part and a second part, the anti-dismantling switch is connected with the second part, the second part is detachably connected with the first part and tightly presses the anti-dismantling switch on the first part, a third part is arranged between the first part and the second part and is close to the anti-dismantling switch, and the anti-dismantling switch is disconnected when the second part is separated from the first part or the first part is separated from the circuit board. The utility model discloses a prevent tearing open structure, it utilizes one to prevent tearing open the switch and can protect a plurality of modules simultaneously to can reduce the quantity of preventing tearing open the switch in the POS machine, simplify the assembly methods, practice thrift the cost.

Description

POS machine prevent tearing open structure and POS machine

Technical Field

The utility model relates to a financial transaction technical field especially relates to a POS machine prevent tearing open structure and POS machine.

Background

In order to prevent sensitive information from being leaked, a safe region which cannot acquire sensitive information through means of destruction, detection, grinding, drilling, chemical corrosion and the like is built in the existing financial terminal-POS machine, and sensitive devices and sensitive signal wiring are protected. The secure area typically employs a tamper switch of a different form such that the secure area cannot be opened. Since the modules inside the terminal that are associated with sensitive information all need to be protected, multiple tamper switches are usually required to protect the different modules.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to design a plurality of anti-disassembly to protect different modules for the traditional POS machine, resulting in higher cost and fussy assembly problem, and provides an anti-disassembly structure of POS machine and POS machine.

The above purpose is realized by the following technical scheme:

the utility model provides a POS machine prevent tearing open structure for realize the protection of preventing tearing open of first part, second part and third part, including preventing tearing open the switch, prevent tearing open the switch setting on the circuit board and lie in between first part and the second part, the circuit board lies in between first part and the second part, prevent tearing open the switch part and be connected with the second part, and the second part is connected with first part detachably, and will prevent tearing open the switch and compress tightly on first part, the third part sets up between first part and the second part and be close to and prevent tearing open the switch, when second part and first part separation or when first part and circuit board separation, prevent tearing open the switch disconnection.

In one embodiment, the tamper switch includes a first signal ring, a second signal ring, and a conductive member, the first signal ring and the second signal ring are both disposed on the circuit board, two ends of the conductive member respectively abut against the circuit board and the second component, and the conductive member is electrically connected to both the first signal ring and the second signal ring under the pressing action of the second component.

In one embodiment, the conductive element is a zebra stripe, or the conductive element is carbon particles.

In one embodiment, the circuit board is a flexible circuit board or a printed circuit board, and the flexible circuit board or the printed circuit board is adhered and fixed on the first component.

In one embodiment, the circuit board is integrated with the first component.

In one embodiment, the first component is a display screen or a touch screen of the POS machine, or a combination of the display screen and the touch screen of the POS machine.

In one embodiment, the first component is the front housing of the POS machine, or a combination of the front housing of the POS machine and the screen.

In one embodiment, the third component is one of a magnetic stripe card reader module, an IC card reader module and a contactless IC card reader module of the POS machine.

In one embodiment, the second component is a back housing or circuit board of the POS.

The utility model also provides a POS machine, include as above arbitrary POS machine prevent tearing open the structure.

The anti-dismantling structure of the POS machine at least has the following technical effects:

the utility model discloses a prevent tearing open structure, it prevents tearing open the switch setting on the circuit board and lie in between first part and the second part, when second part and arbitrary module separation in first part or the circuit board, perhaps when arbitrary module separation in first part and circuit board or the second part, prevent tearing open the switch and will break off, lead to the safety mechanism to trigger to not only realized the first part for preventing tearing open of circuit board or second part, realized simultaneously that the second part prevents tearing open for first part or circuit board. In addition, as the third component is close to the anti-dismantling switch, in other words, the anti-dismantling switch is positioned around the third component, when the third component is attacked by external force, the anti-dismantling switch can be loosened to trigger a safety mechanism, so that an attacker is difficult to detect the third component and the like, and the anti-dismantling of the third component is also realized. The utility model discloses a prevent tearing open structure, it utilizes one to prevent tearing open the switch and can protect a plurality of modules simultaneously to can reduce the quantity of preventing tearing open the switch in the POS machine, simplify the assembly methods, practice thrift the cost.

Drawings

Fig. 1 is a schematic structural view of a disassembly prevention structure of a POS machine according to an embodiment of the present invention;

FIG. 2 is a schematic view showing the structure of a POS machine to which the structure shown in FIG. 1 is applied;

fig. 3 is an exploded view of the structure shown in fig. 2.

Wherein:

100-tamper switches;

110 — a first signal loop; 120-a second signal loop;

130-a conductive member; 140-a signal guard ring; 150-a conductive ring;

200-a circuit board;

300-a first component;

400-a second component;

500-third part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description of the anti-detaching structure of the POS machine and the POS machine according to the present invention is made by embodiments and accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

For convenience of description, the terms and explanations that may be used in the present invention are as follows:

tamper signal line: a signal line whose level change is detectable by a CPU, the CPU triggering a security mechanism to erase keys and other sensitive information when the CPU detects that the level on the signal line does not correspond to a set level value.

The anti-disassembly switch: once the tamper switch is turned off, the CPU will trigger the security mechanism to erase keys and other sensitive information.

Referring to fig. 1 to 3, a tamper-proof structure of a POS machine according to an embodiment of the present invention is used to protect a first component 300, a second component 400, and a third component 500 from being detached. The tamper structure includes a tamper switch 100, and the tamper switch 100 is disposed on a circuit board 200 between a first member 300 and a second member 400. The tamper switch 100 is partially connected to the second member 400, the second member 400 is detachably connected to the first member 300, and presses the tamper switch 100 against the first member 300, and the third member 500 is disposed between the first member 300 and the second member 400 and adjacent to the tamper switch 100. When the second part 400 is separated from the first part 300 or the first part 300 is separated from the circuit board 200, the tamper switch 100 is turned off. It should be noted that the third component 500 is disposed between the first component 300 and the second component 400 near the tamper switch 100, which means that the third component 500 may be physically connected to the circuit board 200 on which the tamper switch 100 is disposed, or the third component 500 may spatially interfere with the tamper switch 100. Thus, the third member 500 may be subject to an external attack that may cause the tamper switch 100 to open and trigger the security mechanism.

The first component 300 may be a display screen or a touch screen of the POS device. Alternatively, the first component 300 is a combination of a display screen and a touch screen of the POS. Still alternatively, in other embodiments, the first component 300 is the front housing of the POS machine, or a combination of the front housing and the screen of the POS machine. The screen can be a display screen or a touch screen, or the screen is a combination of the display screen and the touch screen.

In some embodiments, the third component 500 is one of a magnetic stripe card reader module, an IC card reader module, and a contactless IC card reader module of the POS machine.

In some embodiments, the second component 400 is a back housing or wiring board of the POS. The circuit board is different from the circuit board 200, and may be a component such as a motherboard of a POS machine.

On the basis of the above embodiment, the circuit board 200 is a flexible circuit board or a printed wiring board, and the flexible circuit board or the printed wiring board is fixed to the first member 300 by adhesion. The circuit board 200 may be a separate circuit board in the POS machine, such as a connection FPC (flexible circuit board), which functions to connect an MSR (magnetic stripe card reader) FPC and a camera FPC to a main board. Alternatively, the circuit board 200 is a circuit board 200 of one of the electronic components in the POS machine, for example, the circuit board 200 is a circuit board of a display screen, or a circuit board of MSR, as long as the circuit board 200 can be provided with a gold finger pad of the tamper switch.

In one embodiment, circuit board 200 is integrated with first component 300. In the circuit board 200 of the present embodiment, when the first component 300 is a display screen and/or a touch screen, the circuit board 200 is a circuit board of the display screen and/or the touch screen, in other words, the circuit board 200 is an integral component with the display screen and/or the touch screen.

Alternatively, in other embodiments, when third component 500 is a magnetic stripe card reader module, circuit board 200 is a circuit board of a magnetic stripe card reader.

The utility model discloses prevent tearing open structure, its prevent tearing open switch 100 set up on circuit board 200 and lie in between first part 300 and the second part 400, when second part 400 and first part 300 or the arbitrary module separation in the circuit board 200, or when first part 300 and circuit board 200 or the arbitrary module separation in the first part 300, prevent tearing open switch 100 will break off, lead to the safety mechanism to trigger, thereby not only realized that first part 300 prevents tearing open for circuit board 200 or second part 400, realized simultaneously that second part 400 prevents tearing open for between first part 300 or the circuit board 200. In addition, since the third member 500 is close to the tamper switch 100, in other words, the tamper switch 100 is located around the third member 500, when the third member 500 is attacked by an external force, the tamper switch 100 may be loosened to trigger a safety mechanism, so that it is difficult for an attacker to perform operations such as detection, attachment and the like on the third member 500, thereby also achieving the tamper prevention of the third member 500. The utility model discloses a prevent tearing open structure, it utilizes one to prevent tearing open switch 100 and can protect a plurality of modules simultaneously to can reduce the quantity of preventing tearing open the switch in the POS machine, simplify the assembly methods, practice thrift the cost.

The tamper switch 100 may be constructed in various forms. Referring to fig. 1, as an implementation manner, the tamper switch 100 includes a first signal ring 110, a second signal ring 120, and a conductive member 130, the first signal ring 110 and the second signal ring 120 are disposed on a circuit board 200, two ends of the conductive member 130 respectively abut against the circuit board 200 and a second component 400, and the conductive member 130 is electrically connected to both the first signal ring 110 and the second signal ring 120 under the pressing action of the second component 400. At this time, the conductive member 130 is electrically connected to both the first signal loop 110 and the second signal loop 120, that is, the first signal loop 110 and the second signal loop 120 are shorted, so as to achieve conduction of the Tamper signal. In this embodiment, when the second component 400 is separated from the first component 300 or any module in the circuit board 200, or the first component 300 is separated from the circuit board 200, or the third component 500 is physically attacked, the conductive member 130 is loosened to disconnect the first signal ring 110 and the second signal ring 120, thereby triggering the security mechanism.

The first signal ring 110 and the second signal ring 120 may be gold fingers or copper exposed layers disposed on the circuit board 200. The first signal ring 110 and the second signal ring 120 may be both ring-shaped, and may be circular rings or rectangular rings, which are concentrically arranged. Alternatively, the first signal ring 110 and the second signal ring 120 may be both point-shaped. Or as illustrated in fig. 1, the first signal ring 110 is point-shaped, the second signal ring 120 is ring-shaped, and the first signal ring 110 is located in the second signal ring 120.

And the conductive element 130 may be a zebra stripe or the conductive element 130 may be carbon particles. Or, the conductive member 130 is a silicon gel having a conductive sheet at one end, and the conductive sheet is used to electrically connect with the first signal ring 110 and the second signal ring 120.

In some embodiments, the tamper resistant structure may further include a signal guard ring 140, the signal guard ring 140 being disposed on the circuit board 200, and the first signal ring 110 and the second signal ring 120 both being located within the signal guard ring 140. The signal guard ring 140 is used to protect the first signal ring 110 and the second signal ring 120. Further, the tamper-proof structure may further include a conductive ring 150, one end of the conductive ring 150 being connected to the signal guard ring 140, and the other end being connected to the second member 400. The conductive member 130 is accommodated in the conductive ring 150, and the conductive ring 150 is used for supporting and protecting the conductive member 130. The conductive ring 150 may be a metal ring, or the conductive ring 150 may be a conductive body made of other materials. The conductive ring 150 can be a circular ring or a rectangular ring, and can be designed to be suitable according to the shape of the signal protection ring 140, so that the conductive ring 150 can be better connected to the signal protection ring 140.

Referring to the embodiment shown in fig. 3, the first component 300 is a TP (touch screen) + LCD (display screen) + front case, the second component 400 is a rear case, the third component 500 is an MSR module, and the circuit board 200 is a connection FPC of the POS machine. Therefore, the tamper switch 100 in this embodiment can simultaneously protect the TP, the LCD, the front housing and the rear housing from being separated, the TP, the LCD, the front housing and the connection FPC from being separated, and additionally protect the MSR module from being detected or installed.

On the other hand, the utility model also provides a POS machine, include as above arbitrary POS machine prevent tearing open the structure. Therefore, the POS machine at least has the advantages that the number of the anti-dismantling switches 100 is greatly reduced, the assembly mode is greatly simplified, and the cost is greatly saved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a POS machine prevent tearing open structure for realize the protection of preventing tearing open of first part, second part and third part, its characterized in that, including preventing tearing open the switch, prevent tearing open the switch setting on the circuit board and being located first part with between the second part, the circuit board is located first part with between the second part, prevent tearing open the switch part with the second part is connected, just the second part with first part detachably connects, and will prevent tearing open the switch and compress tightly on the first part, the third part set up in first part with between the second part and be close to prevent tearing open the switch, work as the second part with when the first part separates or first part with when the circuit board separates, prevent tearing open the switch disconnection.

2. The anti-tamper structure of a POS machine of claim 1, wherein the anti-tamper switch comprises a first signal ring, a second signal ring, and a conductive member, the first signal ring and the second signal ring are both disposed on the circuit board, both ends of the conductive member respectively abut against the circuit board and the second component, and the conductive member is electrically connected to both the first signal ring and the second signal ring under the compression of the second component.

3. The anti-detach structure of POS machine according to claim 2, wherein the conductive element is zebra stripe or carbon granule.

4. The anti-detach structure of a POS machine according to any one of claims 1 to 3, wherein the circuit board is a flexible circuit board or a printed wiring board, and the flexible circuit board or the printed wiring board is adhesively fixed to the first member.

5. The tamper structure of a POS machine of any one of claims 1-3, wherein the circuit board is integral to the first component.

6. The tamper structure of a POS of any one of claims 1 to 3, wherein the first component is a display screen or a touch screen of the POS, or a combination of the display screen and the touch screen of the POS.

7. The tamper-evident structure of a POS machine of any one of claims 1 to 3, wherein the first component is a front housing of the POS machine, or a combination of the front housing of the POS machine and a screen.

8. The tamper structure of a POS machine according to any one of claims 1 to 3, wherein the third component is one of a magnetic stripe card reader module, an IC card reader module, and a contactless IC card reader module of the POS machine.

9. The tamper-evident structure of a POS of any one of claims 1 to 3, wherein the second component is a rear housing or a circuit board of the POS.

10. A POS machine comprising a tamper-evident structure of a POS machine according to any one of claims 1 to 9.

Images