POS machine terminal with anti-disassembly assembly
By designing anti-tamping components in the POS machine terminal and using the anti-spun mechanism of multiple loops to trigger the security chip, the data theft problem of existing POS machine terminals when the shell is pried open is solved, achieving higher security and reliability .
Patent Information
- Application Number
- CN202420615235.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-28
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-03-28
AI Technical Summary
When the housing of the existing POS machine terminal is pried open, there is a security risk of spying probes stealing financial transaction data and tax filing information, and the input information of the button circuit board is also easily stolen.
A POS machine terminal with anti-tamping components was designed, adopting a detachable anti-tamping cover and anti-tamping structure, and multiple loops were formed through flexible FPC, conductive rubber keys, zebra strips and conductive silicone switches. When the anti-tamping structure is removed Or when the pry reaches a certain distance, trigger the anti-spun mechanism in the safety chip and erase the information on the tax control module and button circuit board.
It effectively avoids spying probes to steal financial transaction data and tax filing information, improves the security of POS terminals, and ensures higher safety and reliability of use.
Smart Images
Figure CN222260179U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of POS machines, in particular to a POS machine terminal with an anti-disassembly component. Background Art
[0002] POS, or Point Of Sale (POS), is a device that can receive bank card information, has communication functions, and can receive instructions from tellers to complete financial transaction information and related information exchanges. At the same time, the prior art has developed a technology that quickly copies credit cards and payment cards through users' financial transaction information and related information exchange data, so the requirements for the security of POS terminals are getting higher and higher. Since the tax control module and key part of the existing POS machine are not provided with an anti-disassembly structure, when the shell of the POS machine is pried open, physical probing can be performed by pressing the probing probe against the tax control module and the key circuit board. Criminals can steal financial transaction data and tax information from the tax control module through the probe, and can also steal the user's input information from the key circuit board through the probe, which poses certain security risks. Utility Model Content
[0003] The purpose of the utility model is to provide a POS terminal with an anti-dismantling component to address the above-mentioned deficiencies, which can effectively prevent the financial transaction data and tax information on the POS tax control module and the input information on the POS key circuit board from being pryed by the prying probe, making it safer and more reliable to use.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A POS terminal with an anti-dismantling component comprises a POS terminal, a circuit board assembly arranged in the POS terminal, a tax control module and a key circuit board electrically connected to the circuit board assembly, a security chip arranged on the circuit board assembly, an anti-stab mechanism arranged in the security chip, a shell of the POS terminal comprising a bottom shell and a front shell, characterized in that: an anti-dismantling cover detachably connected to the circuit board assembly, an anti-dismantling structure used for installing the key circuit board on the circuit board assembly, the anti-dismantling cover is used to cover the tax control module on the circuit board assembly, the anti-dismantling cover is electrically connected to the circuit board assembly, and the anti-dismantling structure is electrically connected to the key circuit board.
[0006] Furthermore, the anti-dismantling cover includes a plastic bracket, a groove arranged on the plastic bracket, a flexible FPC 1 arranged on the inner wall of the groove, the flexible FPC 1 is electrically connected to the circuit board assembly, the plastic bracket is fixed to the bottom shell by bolts, and the outer edge of the tax control module presses the flexible FPC 1 tightly into the groove.
[0007] Furthermore, a plurality of button holes are arranged on the front of the face shell; the anti-disassembly structure comprises a flexible FPC 2 bonded to the front of the button circuit board, a plurality of conductive rubber keys arranged on the front of the flexible FPC 2, and a plurality of zebra strips arranged on the back of the button circuit board; the flexible FPC 2 and the conductive rubber keys are electrically connected to the button circuit board; the bottom shell, the circuit board assembly and the button circuit board are tightened by a plurality of screws; the front of the conductive rubber key extends into the button hole; the back of the conductive rubber key passes through the flexible FPC 2 and abuts against the The key circuit board is in direct contact and electrical connection with the key circuit board. A plurality of contact points 1 are arranged on the back of the key circuit board. Contact point 2 is arranged on the zebra strip. When the screw 1 is in the state of tightening the bottom shell, the key circuit board and the surface shell, the zebra strip is pressed between the circuit board assembly and the key circuit board, and contact point 1 and contact point 2 are in direct contact and electrical connection. At this time, loop 1 is formed between the flexible FPC 2 and the key circuit board, loop 2 is formed between the zebra strip and the key circuit board, and loop 3 is formed between the key circuit board and the conductive rubber key. A waterproof rubber sleeve is provided on the conductive rubber key.
[0008] Furthermore, the loop one, loop two and loop three are connected in series.
[0009] Furthermore, it also includes a plurality of conductive silicone switches whose two ends abut against the connection between the face shell and the circuit board assembly, the circuit board assembly and the bottom shell, and the face shell and the bottom shell. When the bottom shell and the face shell are tightened by a plurality of screws, a fourth loop is formed between the conductive silicone switches and the circuit board assembly.
[0010] The beneficial effects of the utility model are:
[0011] In actual applications, when the anti-dismantling cover is removed or pried to a certain distance, the circuit formed between the anti-dismantling cover and the circuit board assembly is destroyed, which can trigger the anti-stab mechanism in the security chip to erase the financial transaction data and tax information on the tax control module; when the key circuit board is removed or pried to a certain distance, the circuit formed between the anti-dismantling structure and the key circuit board is destroyed, which can trigger the anti-stab mechanism in the security chip to erase the input information on the key circuit board, making it safer and more reliable to use; the utility model can effectively prevent the financial transaction data and tax information on the tax control module of the POS machine and the input information on the key circuit board from being pried by the prying probe, making it safer and more reliable to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural schematic diagram of the utility model;
[0013] Figure 2 It is the front view of the utility model;
[0014] Figure 3 yes Figure 2 The cross-sectional view at AA in the middle;
[0015] Figure numerals: circuit board assembly 1; tax control module 2; key circuit board 3; bottom shell 41; top shell 42; plastic bracket 51; groove 52; flexible FPC 1 53; flexible FPC 2 61; conductive rubber key 62; zebra strip 63; waterproof rubber sleeve 64; conductive silicone switch 7. DETAILED DESCRIPTION
[0016] like Figure 1 , Figure 2 and Figure 3 As shown, a POS terminal with an anti-dismantling component includes a POS terminal, a circuit board assembly 1 arranged in the POS terminal, a tax control module 2 and a key circuit board 3 electrically connected to the circuit board assembly 1, a security chip is arranged on the circuit board assembly 1, and an anti-stab mechanism is arranged in the security chip. The shell of the POS terminal includes a bottom shell 41 and a surface shell 42, which is characterized by: an anti-dismantling cover detachably connected to the circuit board assembly 1, an anti-dismantling structure used to install the key circuit board 3 on the circuit board assembly 1, the anti-dismantling cover is used to cover the tax control module 2 on the circuit board assembly 1, the anti-dismantling cover is electrically connected to the circuit board assembly 1, and the anti-dismantling structure is electrically connected to the key circuit board 3.
[0017] When the anti-dismantling cover is removed or pried to a certain distance, the circuit formed between the anti-dismantling cover and the circuit board assembly 1 is destroyed, which can trigger the anti-stab mechanism in the security chip to erase the financial transaction data and tax information on the tax control module 2; when the key circuit board 3 is removed or pried to a certain distance, the circuit formed between the anti-dismantling structure and the key circuit board 3 is destroyed, which can trigger the anti-stab mechanism in the security chip to erase the input information on the key circuit board 3, making it safer and more reliable to use; the utility model can effectively prevent the financial transaction data and tax information on the tax control module 2 of the POS machine and the input information on the key circuit board 3 from being pried by the prying probe, making it safer and more reliable to use.
[0018] like Figure 1 , Figure 2 and Figure 3 As shown, the anti-disassembly cover includes a plastic bracket 51, a groove 52 arranged on the plastic bracket 51, a flexible FPC-53 fitted on the inner wall of the groove 52, the flexible FPC-53 is electrically connected to the circuit board assembly 1, the plastic bracket 51 is fixed to the bottom shell 41 by bolts, and the outer edge of the tax control module 2 presses the flexible FPC-53 into the groove 52; in this embodiment, when the groove 52 is pried, the loop formed between the flexible FPC-53 and the circuit board assembly 1 is destroyed, which can trigger the anti-puncture mechanism in the security chip to erase the financial transaction data and tax information on the tax control module 2.
[0019] like Figure 1 , Figure 2 and Figure 3 As shown, a plurality of button holes are arranged on the front of the face shell 42; the anti-disassembly structure comprises a flexible FPC 2 61 bonded to the front of the button circuit board 3, a plurality of conductive rubber keys 62 arranged on the front of the flexible FPC 2 61, and a plurality of zebra strips 63 arranged on the back of the button circuit board 3; the flexible FPC 2 61 and the conductive rubber keys 62 are both electrically connected to the button circuit board 3; the bottom shell 41, the circuit board assembly 1 and the button circuit board 3 are tightened by a plurality of screws 1; the front of the conductive rubber key 62 extends into the button hole; the back of the conductive rubber key 62 passes through the flexible FPC 2 61, abuts against the button circuit board 3 and is in direct contact and electrical connection with the button circuit board 3; a plurality of contacts 1 are arranged on the back of the button circuit board 3; a contact 2 is arranged on the zebra strip 63; when the screw 1 is in the state of tightening the bottom shell 41, the button circuit board 3 and the face shell 42, the zebra strip 63 is provided with a plurality of contacts 1, and a contact 2 is arranged on the zebra strip 63. The zebra strip 63 is pressed between the circuit board assembly 1 and the key circuit board 3, and the contact 1 and the contact 2 are in direct contact and electrically connected. At this time, loop 1 is formed between the flexible FPC 2 61 and the key circuit board 3, loop 2 is formed between the zebra strip 63 and the key circuit board 3, and loop 3 is formed between the key circuit board 3 and the conductive rubber key 62, and a waterproof rubber sleeve 64 is provided on the conductive rubber key 62; in this embodiment, when any one of the conductive rubber keys 62 is removed or pried to a certain distance, loop 3 is destroyed, triggering the anti-stab mechanism in the security chip to erase the input information on the key circuit board 3; when the flexible FPC 2 61 is removed or pried to a certain distance, loop 1 is destroyed, triggering the anti-stab mechanism in the security chip to erase the input information on the key circuit board 3; when the screw 1 is loosened, the contact 2 is disconnected from the contact 1, and loop 2 is destroyed, triggering the anti-stab mechanism in the security chip to erase the input information on the key circuit board 3.
[0020] like Figure 1 , Figure 2 and Figure 3 As shown, the loop one, loop two and loop three are connected in series; in this embodiment, when loop one, loop two and loop three are connected in series, disconnecting any loop will trigger the anti-puncture mechanism in the security chip, which has a better anti-disassembly effect and is safer to use.
[0021] like Figure 1 , Figure 2 and Figure 3As shown, it also includes a plurality of conductive silicone switches 7 whose two ends abut against the connection between the face shell 42 and the circuit board assembly 1, the circuit board assembly 1 and the bottom shell 41, and the face shell 42 and the bottom shell 41. When the bottom shell 41 and the face shell 42 are tightened by a plurality of screws 2, a loop 4 is formed between the conductive silicone switch 7 and the circuit board assembly 1. In this embodiment, when the face shell 42 and the circuit board assembly 1 are loose or the circuit board assembly 1 and the bottom shell 41 are loose or the face shell 42 and the bottom shell 41 are loose, the loop 4 is destroyed and the anti-puncture mechanism in the security chip is triggered. The tax control module 2 erases the financial transaction data and tax information, and the erase button circuit board 3 erases the input information, which further improves the anti-disassembly effect of the POS terminal and makes it safer and more reliable to use.
[0022] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the scope defined by the spirit of the present invention.
Claims
1. A POS terminal with an anti-disassembly component, comprising a POS terminal, a circuit board assembly (1) arranged in the POS terminal, a tax control module (2) and a key circuit board (3) electrically connected to the circuit board assembly (1), a security chip arranged on the circuit board assembly (1), an anti-stab mechanism arranged in the security chip, a housing of the POS terminal comprising a bottom housing (41) and a front housing (42), characterized in that: An anti-disassembly cover detachably connected to the circuit board assembly (1) is used for installing the key circuit board (3) on the circuit board assembly (1) using an anti-disassembly structure, the anti-disassembly cover is used for covering the tax control module (2) on the circuit board assembly (1), the anti-disassembly cover is electrically connected to the circuit board assembly (1), and the anti-disassembly structure is electrically connected to the key circuit board (3).
2. A POS terminal with an anti-tampering component according to claim 1, characterized in that: The anti-disassembly cover comprises a plastic bracket (51), a groove (52) arranged on the plastic bracket (51), a flexible FPC (53) arranged on the inner wall of the groove (52), the flexible FPC (53) being electrically connected to the circuit board assembly (1), the plastic bracket (51) being fixed to the bottom shell (41) by bolts, and the outer edge of the tax control module (2) pressing the flexible FPC (53) into the groove (52).
3. A POS terminal with an anti-tampering component according to claim 1, characterized in that: The front of the surface shell (42) is provided with a plurality of key holes; the anti-disassembly structure comprises a flexible FPC 2 (61) bonded to the front of the key circuit board (3), a plurality of conductive rubber keys (62) arranged on the front of the flexible FPC 2 (61), and a plurality of zebra strips (63) arranged on the back of the key circuit board (3); the flexible FPC 2 (61) and the conductive rubber keys (62) are both electrically connected to the key circuit board (3); the bottom shell (41), the circuit board assembly (1) and the key circuit board (3) are tightened by a plurality of screws; the front of the conductive rubber key (62) extends into the key hole; the back of the conductive rubber key (62) passes through the flexible FPC 2 (61) and abuts against the key circuit board. The key circuit board (3) is directly in contact with the key circuit board (3) and is electrically connected thereto. The back of the key circuit board (3) is provided with a plurality of contact points 1, and the zebra strip (63) is provided with contact points 2. When the screw 1 is in a state of tightening the bottom shell (41), the key circuit board (3) and the top shell (42), the zebra strip (63) is pressed between the circuit board assembly (1) and the key circuit board (3), and the contact points 1 and 2 are directly in contact with each other and are electrically connected. At this time, a loop 1 is formed between the flexible FPC 2 (61) and the key circuit board (3), a loop 2 is formed between the zebra strip (63) and the key circuit board (3), and a loop 3 is formed between the key circuit board (3) and the conductive rubber key (62). A waterproof rubber sleeve (64) is provided on the conductive rubber key (62).
4. A POS terminal with an anti-tampering component according to claim 3, characterized in that: The loop 1, loop 2 and loop 3 are connected in series.
5. A POS terminal with an anti-tampering component according to claim 1, characterized in that: It also includes a plurality of conductive silicone switches (7) whose two ends abut against the connection between the face shell (42) and the circuit board assembly (1), the circuit board assembly (1) and the bottom shell (41), and the face shell (42) and the bottom shell (41); when the bottom shell (41) and the face shell (42) are tightened by a plurality of screws (2), a circuit (4) is formed between the conductive silicone switches (7) and the circuit board assembly (1).