CN218214291U - Wiring via hole protection structure and POS machine - Google Patents

Wiring via hole protection structure and POS machine Download PDF

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Publication number
CN218214291U
CN218214291U CN202222520081.0U CN202222520081U CN218214291U CN 218214291 U CN218214291 U CN 218214291U CN 202222520081 U CN202222520081 U CN 202222520081U CN 218214291 U CN218214291 U CN 218214291U
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China
Prior art keywords
protection
circuit board
signal line
protection signal
via hole
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CN202222520081.0U
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Chinese (zh)
Inventor
汤瑞智
黄志强
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PAX Computer Technology Shenzhen Co Ltd
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PAX Computer Technology Shenzhen Co Ltd
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Priority to CN202222520081.0U priority Critical patent/CN218214291U/en
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Abstract

The application provides a wiring via hole protection architecture and POS machine, above-mentioned wiring via hole protection architecture includes the safety processor, first circuit board and protection diaphragm, first circuit board has first face and the second face that sets up back to the back mutually, the wiring via hole has been seted up to first circuit board, the protection diaphragm has first end and second tip, first end connection is in first face and second end connection in the second face, so that the part of protection diaphragm cladding first circuit board forms the safety zone, the wiring via hole is located the safety zone, the protection diaphragm integration has first protection signal line, first protection signal line and safety processor electric connection. The utility model provides a wiring via hole protection architecture forms safe district through the part of the first circuit board of protective film cladding, simultaneously, through integrated and safe treater electric connection's a protection signal line on protective film for the POS machine can be under the prerequisite that the assurance possesses sufficient security, has effectively reduced manufacturing cost.

Description

Wiring via hole protection structure and POS machine
Technical Field
The application belongs to the technical field of transaction settlement equipment, and particularly relates to a wiring via hole protection structure and a POS machine.
Background
A point of sale (POS) machine is a common transaction settlement device, and needs to transmit various sensitive information during its operation, and the sensitive information is mainly transmitted through a sensitive information line integrated on a circuit board.
At present, in order to prevent sensitive information from leaking, a blind buried hole is usually adopted as a wiring via hole in a circuit board, and a sensitive signal line is subjected to cross-layer wiring through the blind buried hole so as to avoid the sensitive signal line from being exposed on the surface of the circuit board. However, the process of forming the blind buried hole on the circuit board is complicated, and the cost is high, so that the production cost of the POS machine is greatly increased.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide a wiring via hole protection structure and a POS machine, so as to solve the technical problem that in the prior art, the production cost is increased due to the fact that blind buried holes are formed in a circuit board of the POS machine.
In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions: there is provided a wire via protection structure comprising:
a secure processor;
the first circuit board is provided with a first board surface and a second board surface which are arranged oppositely, and the first circuit board is provided with a wiring through hole;
the protection diaphragm has first end and second end, first end connect in first face just second end connect in the second face, so that the protection diaphragm cladding the part of first circuit board forms the safe district, the wiring via hole is located in the safe district, the protection diaphragm is integrated with first protection signal line, first protection signal line with safety processor electric connection.
Optionally, the routing via protection structure further includes a first pressing member and a second pressing member, the first end portion is pressed between the first pressing member and the first board surface, and the second end portion is pressed between the second pressing member and the second board surface.
Optionally, the wiring via hole protection structure further includes a housing and a second circuit board, the first circuit board and the second circuit board are both disposed in the housing, the security processor is disposed in the second circuit board, an end of the first pressing member far away from the first end portion is connected to an inner wall of the housing, and an end of the second pressing member far away from the second end portion is connected to the second circuit board.
Optionally, the routing via protection structure further includes a second circuit board and a first electrical connector, the security processor being disposed on the second circuit board; the first circuit board is integrated with a second protection signal line and a third protection signal line, the second protection signal line is electrically connected between one end of the first protection signal line and the first electric connecting piece, and the third protection signal line is electrically connected between the other end of the first protection signal line and the first electric connecting piece; the second circuit board is integrated with a fourth protection signal line and a fifth protection signal line, the fourth protection signal line is electrically connected between the first signal port of the safety processor and the first electric connecting piece, and the fifth protection signal line is electrically connected between the second signal port of the safety processor and the first electric connecting piece.
Optionally, the routing via protection structure further includes a second circuit board, a first electrical connector and a second electrical connector, the security processor being disposed on the second circuit board; a sixth protection signal wire is integrated on the first circuit board, one end of the first protection signal wire is electrically connected with the second electric connecting piece, and the sixth protection signal wire is electrically connected between the other end of the first protection signal wire and the first electric connecting piece; the second circuit board is integrated with a seventh protection signal line and an eighth protection signal line, the seventh protection signal line is electrically connected between the first signal port of the safety processor and the second electric connecting piece, and the eighth protection signal line is electrically connected between the second signal port of the safety processor and the first electric connecting piece.
Optionally, the routing via protection structure further includes a first pressing member, the first end portion is pressed between the first pressing member and the first board surface, and the second end portion is pressed between the second electrical connector and the second board surface.
Optionally, the wiring via hole protection structure further includes a housing, the first circuit board and the second circuit board are both disposed in the housing, an end of the first pressing member far away from the first end portion is connected to an inner wall of the housing, and an end of the second electrical connector far away from the second end portion is connected to the second circuit board.
Optionally, the second circuit board has a third board surface and a fourth board surface that are arranged opposite to each other, the third board surface and the second board surface are arranged opposite to each other, and the safety processor is arranged on the third board surface.
Optionally, the routing via hole protection structure further includes a first baffle plate, the first baffle plate is disposed on an outer peripheral side of the first end portion, the first baffle plate is integrated with a ninth protection signal line, and the ninth protection signal line is electrically connected to the security processor; and/or the presence of a gas in the atmosphere,
the wiring via hole protection structure further comprises a second baffle, the second baffle is arranged on the outer peripheral side of the second end portion, a tenth protection signal line is integrated with the second baffle, and the tenth protection signal line is electrically connected with the safety processor.
The application provides a wiring via hole protection architecture has following beneficial effect at least: compared with the prior art, the wiring via hole protection structure has the advantages that the first end of the protection diaphragm is connected to the first board surface, the second end of the protection diaphragm is connected to the second board surface, so that the part of the first circuit board, which is wrapped by the protection diaphragm, forms a safety area, meanwhile, the first protection signal wire is integrated on the protection diaphragm and is electrically connected with the safety processor, therefore, even if a through hole is formed in the safety area and used as a wiring via hole, a sensitive information signal circuit cannot be exposed outside, the hole opening process of the wiring via hole is effectively simplified, the cost is reduced, under the wrapping effect of the protection diaphragm, when an illegal attacker wants to obtain sensitive information, the protection diaphragm needs to be damaged in the modes of drilling, short-circuiting and the like, when the protection diaphragm is damaged, the first protection signal wire is damaged to generate level change, and when the safety processor detects that the level on the first protection signal wire is inconsistent with a set level value, the safety processor triggers a safety mechanism to erase keys and other sensitive information, so as to prevent the sensitive information from being leaked. Therefore, the POS machine adopting the wiring via hole protection structure can effectively reduce the production cost on the premise of ensuring enough safety.
In order to achieve the above object, the present application further provides a POS machine including the wiring via hole protection structure according to any of the above embodiments.
Because the POS machine of the application adopts the wiring via hole protection structure of any one of the embodiments, the production cost of the POS machine is effectively reduced on the premise of ensuring that the POS machine has enough safety.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a wiring via protection structure according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a wire via protection structure according to another embodiment of the present application.
Wherein, in the figures, the respective reference numerals:
100. a secure processor;
200. a first circuit board; 210. a first board surface; 220. a second board surface; 230. a security zone; 240. a second protection signal line; 250. a third protection signal line; 260. a sixth protection signal line;
300. a protective membrane; 310. a first end portion; 320. a second end portion;
400. a second circuit board; 410. a third board surface; 420. a fourth board surface; 430. a fourth protection signal line; 440. a fifth protection signal line; 450. a seventh protection signal line; 460. an eighth protection signal line;
500. a first electrical connection;
600. a first biasing member;
700. a second biasing member;
800. a housing;
900. a second electrical connection.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" … … "tenth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first", "second" … … "tenth" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
For convenience of description, the terms and explanations that may be used in the present invention are as follows:
the secure processor 100: a chip (also called a secure CPU) with a security mechanism is used for protecting the security of user information, and when an illegal attack is detected by a secure processor 100, the security mechanism is triggered, and a secret key and other sensitive information are erased.
Protection signal line (also called as a pointer signal line or a trigger signal line): the secure processor 100 (secure chip or secure CPU) is a signal line whose level change can be detected, and when the secure processor 100 detects that the level on the protection signal line is not consistent with the set level value, the secure processor 100 will trigger a security mechanism, erase keys and other sensitive information.
A first aspect of the present application provides a wire via protection structure, which may be applied to an electronic device such as a POS machine that requires sensitive information protection, and the wire via protection structure provided in the embodiments of the present application is now described with reference to the accompanying drawings.
Referring to fig. 1, the routing via protection structure includes a secure processor 100, a first circuit board 200, and a protection film 300. The first circuit board 200 has a first board surface 210 and a second board surface 220 that are disposed opposite to each other, the first circuit board 200 has a wiring via, and the sensitive signal lines of the first circuit board 200 can be wired in a cross-layer manner through the wiring via. The protective film 300 has a first end 310 and a second end 320, the first end 310 is connected to the first board 210, and the second end 320 is connected to the second board 220, so that the portion of the protective film 300 covering the first circuit board 200 forms a security area 230, the wiring via is located in the security area 230, the protective film 300 integrates a first protective signal line (not shown), and the first protective signal line is electrically connected to the security processor 100.
It should be noted that the protection film 300 may be a Flexible Printed Circuit (FPC) or other Flexible films, such as a PET (polyethylene terephthalate) film, and is not limited in particular.
It should be noted that the number of the protective films 300 is not limited to one, and a plurality of protective films 300 may be arranged according to the actual application requirement, and the plurality of protective films 300 are sequentially stacked to form a multi-layer protective barrier.
Compared with the prior art, the wiring via hole protection structure of the present application forms the secure area 230 by connecting the first end portion 310 of the protection diaphragm 300 to the first board surface 210 and connecting the second end portion 320 of the protection diaphragm 300 to the second board surface 220, so that the portion of the protection diaphragm 300 covering the first circuit board 200 forms the secure area 230, and at the same time, by integrating the first protection signal line on the protection diaphragm 300 and electrically connecting the first protection signal line to the secure processor 100, even though a through hole is formed in the secure area 230 to serve as a wiring via hole, the sensitive information signal line is not exposed, the hole opening process of the wiring via hole is effectively simplified, the cost is reduced, and under the covering effect of the protection diaphragm 300, when an illegal attacker wants to obtain sensitive information, the protection diaphragm 300 needs to be damaged by drilling, shorting, etc., and when the protection diaphragm 300 is damaged, the first protection signal line is damaged to generate a level change, and when the secure processor 100 detects that the level on the first protection signal line is inconsistent with a set level, the secure processor 100 triggers a security mechanism, thereby preventing the sensitive information from being leaked. Therefore, the POS machine adopting the wiring via hole protection structure can effectively reduce the production cost on the premise of ensuring enough safety.
In an embodiment of the present application, referring to fig. 1, the routing via protection structure further includes a first pressing member 600 and a second pressing member 700, wherein the first end 310 is pressed between the first pressing member 600 and the first board surface 210, and the second end 320 is pressed between the second pressing member 700 and the second board surface 220.
By pressing the first end 310 between the first pressing member 600 and the first board surface 210 and pressing the second end 320 between the second pressing member 700 and the second board surface 220, the first end 310 is effectively prevented from being separated from the first board surface 210 and the second end 320 is prevented from being separated from the second board surface 220, thereby avoiding the situation that the protection signal circuit is accidentally disconnected and sensitive information is accidentally erased, meanwhile, preventing an illegal attacker from carrying out illegal attack on the first end 310 and the second end 320, and further improving the safety of the POS machine adopting the wiring via hole protection structure.
In the above embodiment, referring to fig. 1, the routing via hole protection structure further includes a housing 800 and a second circuit board 400, wherein the first circuit board 200 and the second circuit board 400 are both disposed in the housing 800, and it can be understood that the first circuit board 200 and the second circuit board 400 are both fixedly mounted in the housing 800. The safety processor 100 is disposed on the second circuit board 400, one end of the first pressing member 600 away from the first end 310 is connected to the inner wall of the housing 800, and one end of the second pressing member 700 away from the second end 320 is connected to the second circuit board 400.
Similarly, the housing 800 provides a supporting force to the first pressing member 600, so that the first pressing member 600 can press the first end portion 310 of the protection diaphragm 300 against the first board surface 210, and the end of the second pressing member 700 away from the second end portion 320 is connected to the second circuit board 400, and the second circuit board 400 provides a supporting force to the second pressing member 700, so that the second pressing member 700 can press the second end portion 320 of the protection diaphragm 300 against the second board surface 220, thereby effectively preventing the first end portion 310 from separating from the first board surface 210 and preventing the second end portion 320 from separating from the second board surface 220, and thus avoiding the situation that the protection signal loop is accidentally disconnected and sensitive information is accidentally erased, and simultaneously preventing an illegal attacker from illegally attacking the first end portion 310 and the second end portion 320, and further improving the safety of the POS machine adopting the above-mentioned wiring via hole protection structure.
In an embodiment of the present application, referring to fig. 1, the routing via protection structure further includes a second circuit board 400 and a first electrical connector 500, the security processor 100 is disposed on the second circuit board 400; the first circuit board 200 is integrated with a second protection signal line 240 and a third protection signal line 250, the second protection signal line 240 is electrically connected between one end of the first protection signal line and the first electrical connector 500, and the third protection signal line 250 is electrically connected between the other end of the first protection signal line and the first electrical connector 500; the second circuit board 400 is integrated with a fourth protection signal line 430 and a fifth protection signal line 440, the fourth protection signal line 430 is electrically connected between the first signal port (not shown) of the security processor 100 and the first electrical connector 500, and the fifth protection signal line 440 is electrically connected between the second signal port (not shown) of the security processor 100 and the first electrical connector 500.
It should be noted that the number of the first electrical connectors 500 may be determined according to practical application requirements, the first electrical connectors 500 are zebra stripes, such as fully-conductive zebra stripes, vertically-conductive zebra stripes, and the like, and of course, the first electrical connectors 500 may also be other conductive devices, which is not limited herein.
It should be further noted that the first signal port is a pointer signal output port, the second signal port is a pointer signal input port, and at this time, the pointer signal is a dynamic pointer signal; or, the first signal port is a pointer signal output port, the second signal port is a ground port, and at this time, the pointer signal is a static pointer signal. In other embodiments, the second signal port may also be a power port.
By adopting the above technical scheme, the first signal port, the fourth protection signal line 430, the first electrical connector 500, the second protection signal line 240, the first protection signal line, the third protection signal line 250, the first electrical connector 500, the fifth protection signal line 440 and the second signal port are electrically connected in sequence to form a protection signal loop, when the protection diaphragm 300 is damaged, the first protection signal line is also damaged to cause disconnection of the protection signal loop, and further to generate level change, when the security processor 100 detects that the level on the protection signal loop is inconsistent with the set level value, the security processor 100 triggers a security mechanism to erase the key and other sensitive information, so as to prevent the sensitive information from being leaked.
It should be noted that the number of the protection signal loops is not limited to one, and a plurality of protection signal loops may be provided according to the actual application requirement, and is not specifically limited herein.
In another embodiment of the present application, referring to fig. 2, the routing via protection structure further includes a second circuit board 400, a first electrical connector 500, and a second electrical connector 900, wherein the security processor 100 is disposed on the second circuit board 400; the first circuit board 200 is integrated with a sixth protection signal line 260, one end of the first protection signal line is electrically connected with the second electrical connector 900, and the sixth protection signal line 260 is electrically connected between the other end of the first protection signal line and the first electrical connector 500; the second circuit board 400 is integrated with a seventh protection signal line 450 and an eighth protection signal line 460, wherein the seventh protection signal line 450 is electrically connected between the first signal port (not shown) of the security processor 100 and the second electrical connector 900, and the eighth protection signal line 460 is electrically connected between the second signal port (not shown) of the security processor 100 and the first electrical connector 500.
It should be noted that the number of the first electrical connectors 500 and the number of the second electrical connectors 900 may be determined according to practical application requirements, and the first electrical connectors 500 and the second electrical connectors 900 are both zebra stripes, such as fully-conductive zebra stripes, vertically-conductive zebra stripes, and the like, and of course, the first electrical connectors 500 and the second electrical connectors 900 may also be other conductive devices, which is not limited herein.
It should be further noted that the first signal port is a pointer signal output port, the second signal port is a pointer signal input port, and at this time, the pointer signal is a dynamic pointer signal; or, the first signal port is a pointer signal output port, the second signal port is a ground port, and at this time, the pointer signal is a static pointer signal. In other embodiments, the second signal port may also be a power port.
By adopting the above technical scheme, the first signal port, the seventh protection signal line 450, the second electrical connector 900, the first protection signal line, the sixth protection signal line 260, the first electrical connector 500, the eighth protection signal line 460 and the second signal port are electrically connected in sequence to form a protection signal loop, when the protection diaphragm 300 is damaged, the first protection signal line is also damaged to cause disconnection of the protection signal loop, and further level change is generated, when the safety processor 100 detects that the level on the protection signal loop is inconsistent with the set level value, the safety processor 100 triggers a safety mechanism to erase the key and other sensitive information, so as to prevent the sensitive information from being leaked.
It should be noted that the number of the protection signal loops is not limited to one, and a plurality of protection signal loops may be provided according to the actual application requirement, and is not specifically limited herein.
In the above embodiment, referring to fig. 2, the routing via hole protection structure further includes a first pressing member 600, wherein the first end portion 310 is pressed between the first pressing member 600 and the first board surface 210, and the second end portion 320 is pressed between the second electrical connector 900 and the second board surface 220.
By pressing the first end portion 310 between the first pressing member 600 and the first board surface 210 and pressing the second end portion 320 between the second electrical connector 900 and the second board surface 220, the first end portion 310 is effectively prevented from being separated from the first board surface 210, so that the situation that sensitive information is accidentally erased due to accidental disconnection of a protection signal circuit is avoided, meanwhile, illegal attackers can be prevented from illegally attacking the first end portion 310 and the second end portion 320, and the safety of the POS machine adopting the wiring via hole protection structure is further improved.
Specifically, referring to fig. 2, the routing via hole protection structure further includes a housing 800, and the first circuit board 200 and the second circuit board 400 are disposed in the housing 800, and it can be understood that the first circuit board 200 and the second circuit board 400 are fixedly mounted in the housing 800. The end of first biasing member 600 remote from first end 310 is connected to the inner wall of housing 800, and the end of second electrical connector 900 remote from second end 320 is connected to second circuit board 400.
The end of the first pressing member 600 far from the first end 310 is connected to the inner wall of the housing 800, and the housing 800 provides a supporting force for the first pressing member 600, so that the first pressing member 600 can press the first end 310 of the protective membrane 300 against the first board surface 210, and similarly, the end of the second electrical connector 900 far from the second end 320 is connected to the second circuit board 400, and the second circuit board 400 provides a supporting force for the second electrical connector 900, so that the second electrical connector 900 can press the second end 320 of the protective membrane 300 against the second board surface 220, and the first end 310 is effectively prevented from being separated from the first board surface 210, thereby preventing the protective signal circuit from being accidentally disconnected and sensitive information from being accidentally erased, and meanwhile, preventing an illegal attacker from illegally attacking the first end 310 and the second end 320, and further improving the safety of the POS machine adopting the above wiring via hole protection structure.
In an embodiment of the present application, please refer to fig. 1 and fig. 2, the second circuit board 400 has a third board 410 and a fourth board 420 disposed opposite to each other, the third board 410 is disposed opposite to the second board 220, and the secure processor 100 is disposed on the third board 410, in other words, the secure processor 100 is disposed between the first circuit board 200 and the second circuit board 400.
When an illegal attacker wants to attack the security processor 100, the first circuit board 200 or the second circuit board 400 needs to be destroyed by drilling or the like, and when the first circuit board 200 or the second circuit board 400 is destroyed, the protection signal loop is also destroyed to generate level change, and when the security processor 100 detects that the level of the protection signal loop is not consistent with the set level value, the security processor 100 triggers a security mechanism to erase keys and other sensitive information to prevent the sensitive information from being leaked, thereby further improving the security of the POS machine adopting the wiring via hole protection structure.
In an embodiment of the present application, the routing via protection structure further includes a first blocking plate (not shown), the first blocking plate is disposed on an outer peripheral side of the first end portion 310, the first blocking plate is integrated with a ninth protection signal line (not shown), and the ninth protection signal line is electrically connected to the security processor 100.
It should be noted that the protection signal circuit in which the ninth protection signal line is located is different from the protection signal circuit in which the first protection signal line is located.
By disposing the first baffle plate at the outer periphery of the first end portion 310, when an illegal attacker wants to attack the first end portion 310 of the protection diaphragm 300, the first baffle plate needs to be destroyed by drilling, etc., and when the first baffle plate is destroyed, the ninth protection signal line is also destroyed to generate level change, and when the security processor 100 detects that the level on the ninth protection signal line is not consistent with the set level value, the security processor 100 will trigger the security mechanism to erase the key and other sensitive information to prevent the sensitive information from leaking, thereby further improving the security of the POS machine adopting the wiring via hole protection structure.
In other embodiments, the ninth protection signal line is electrically connected to the ground port or the power port of the security processor 100. When an illegal attacker wants to attack the first end 310 of the protection diaphragm 300, the first baffle needs to be destroyed first, and when the first baffle is destroyed, the security processor 100 detects the short-circuit signal of the ninth protection signal line, and the security processor 100 triggers the security mechanism to erase the key and other sensitive information, so as to prevent the sensitive information from leaking, thereby further improving the security of the POS machine adopting the anti-tamper structure.
In an embodiment of the present application, the routing via hole protection structure further includes a second blocking plate (not shown), the second blocking plate is disposed on an outer peripheral side of the second end portion 320, the second blocking plate is integrated with a tenth protection signal line (not shown), and the tenth protection signal line is electrically connected to the security processor 100.
It should be noted that the protection signal loop where the tenth protection signal line is located is different from the protection signal loop where the first protection signal line is located.
By disposing the second baffle at the outer periphery of the second end 320, when an illegal attacker wants to attack the second end 320 of the protection diaphragm 300, the second baffle needs to be destroyed by drilling, etc., and when the second baffle is destroyed, the tenth protection signal line is also destroyed to generate level change, and when the security processor 100 detects that the level on the tenth protection signal line is not consistent with the set level value, the security processor 100 will trigger a security mechanism to erase keys and other sensitive information to prevent the sensitive information from leaking, thereby further improving the security of the POS machine adopting the wiring via hole protection structure.
In other embodiments, the tenth protection signal line is electrically connected to the ground port or the power port of the security processor 100. When an illegal attacker wants to attack the second end portion 320 of the protection diaphragm 300, the second barrier needs to be destroyed first, and when the second barrier is destroyed, the security processor 100 detects a short-circuit signal of the tenth protection signal line, and the security processor 100 triggers the security mechanism to erase the key and other sensitive information, so as to prevent the sensitive information from being leaked, thereby further improving the security of the POS machine adopting the anti-disassembly structure.
A second aspect of the present application provides a POS machine including the wire via protection structure of any of the above embodiments.
Because the POS machine of the application adopts the wiring via hole protection structure of any one of the embodiments, the production cost of the POS machine is effectively reduced on the premise of ensuring that the POS machine has enough safety.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A routing via protection structure, comprising:
a secure processor;
the first circuit board is provided with a first board surface and a second board surface which are arranged oppositely, and the first circuit board is provided with a wiring through hole;
the protection diaphragm has first end and second end, first end connect in first face just second end connect in the second face, so that the protection diaphragm cladding the part of first circuit board forms the safe district, the wiring via hole is located in the safe district, the protection diaphragm is integrated with first protection signal line, first protection signal line with safety processor electric connection.
2. The wire via protection structure of claim 1, wherein: the wiring via hole protection structure further comprises a first pressing piece and a second pressing piece, wherein the first end portion is pressed between the first pressing piece and the first plate surface, and the second end portion is pressed between the second pressing piece and the second plate surface.
3. The wire via protection structure of claim 2, wherein: the wiring via hole protection structure further comprises a shell and a second circuit board, wherein the first circuit board and the second circuit board are arranged in the shell, the safety processor is arranged on the second circuit board, one end, far away from the first end, of the first pressing piece is connected to the inner wall of the shell, and one end, far away from the second end, of the second pressing piece is connected to the second circuit board.
4. The wire via protection structure of claim 1, wherein: the wiring via hole protection structure further comprises a second circuit board and a first electric connector, and the safety processor is arranged on the second circuit board; the first circuit board is integrated with a second protection signal line and a third protection signal line, the second protection signal line is electrically connected between one end of the first protection signal line and the first electric connecting piece, and the third protection signal line is electrically connected between the other end of the first protection signal line and the first electric connecting piece; the second circuit board is integrated with a fourth protection signal line and a fifth protection signal line, the fourth protection signal line is electrically connected between the first signal port of the safety processor and the first electric connecting piece, and the fifth protection signal line is electrically connected between the second signal port of the safety processor and the first electric connecting piece.
5. The wire via protection structure of claim 1, wherein: the wiring via hole protection structure further comprises a second circuit board, a first electric connector and a second electric connector, wherein the safety processor is arranged on the second circuit board; a sixth protection signal wire is integrated on the first circuit board, one end of the first protection signal wire is electrically connected with the second electric connecting piece, and the sixth protection signal wire is electrically connected between the other end of the first protection signal wire and the first electric connecting piece; the second circuit board is integrated with a seventh protection signal line and an eighth protection signal line, the seventh protection signal line is electrically connected between the first signal port of the safety processor and the second electric connecting piece, and the eighth protection signal line is electrically connected between the second signal port of the safety processor and the first electric connecting piece.
6. The wire via protection structure of claim 5, wherein: the wiring via hole protection structure further comprises a first pressing piece, wherein the first end portion is pressed between the first pressing piece and the first plate surface, and the second end portion is pressed between the second electric connector and the second plate surface.
7. The wire via protection structure of claim 6, wherein: the wiring via hole protection structure further comprises a shell, the first circuit board and the second circuit board are arranged in the shell, one end, far away from the first end portion, of the first pressing piece is connected to the inner wall of the shell, and one end, far away from the second end portion, of the second electric connecting piece is connected to the second circuit board.
8. The wire via protection structure of any one of claims 3-7, wherein: the second circuit board is provided with a third board surface and a fourth board surface which are arranged back to back, the third board surface and the second board surface are arranged oppositely, and the safety processor is arranged on the third board surface.
9. The wire via protection structure of any one of claims 1-7, wherein:
the wiring via hole protection structure further comprises a first baffle plate, the first baffle plate is arranged on the outer peripheral side of the first end part, a ninth protection signal wire is integrated on the first baffle plate, and the ninth protection signal wire is electrically connected with the safety processor; and/or the presence of a gas in the gas,
the wiring via hole protection structure further comprises a second baffle, the second baffle is arranged on the outer peripheral side of the second end portion, a tenth protection signal line is integrated with the second baffle, and the tenth protection signal line is electrically connected with the safety processor.
10. A POS machine, its characterized in that: the POS including a wire via protection structure as recited in any of claims 1-9.
CN202222520081.0U 2022-09-22 2022-09-22 Wiring via hole protection structure and POS machine Active CN218214291U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222520081.0U CN218214291U (en) 2022-09-22 2022-09-22 Wiring via hole protection structure and POS machine

Applications Claiming Priority (1)

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CN202222520081.0U CN218214291U (en) 2022-09-22 2022-09-22 Wiring via hole protection structure and POS machine

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CN218214291U true CN218214291U (en) 2023-01-03

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Family Applications (1)

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Country Link
CN (1) CN218214291U (en)

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