Magnetic induction device for anti-disassembly function of POS (Point Of Sale) machine terminal and POS machine terminal

Abstract

The utility model discloses a magnetic induction device for an anti-disassembly function of a POS terminal. The magnetic induction device comprises a detection control assembly, and a magnetic induction assembly and a magnetic generation assembly which are oppositely arranged in a non-contact manner during use, the magnetic induction assembly comprises a magnetic inductor and a physical anti-disassembly switch; the magnetic generation assembly comprises a magnetic generator and a hole groove; the physical anti-disassembly switch can penetrate through the hole groove to be connected to an anti-disassembly detection circuit outside the magnetic induction device. The magnetic inductor and the magnetic generator can be connected to a safety detection circuit outside the magnetic induction device; the detection control assembly is used for detecting the distance between the magnetic inductor and the magnetic generator, judging the size relation between the distance and a preset safety distance threshold value and triggering the safety detection circuit when the distance is larger than the preset safety distance threshold value. According to the magnetic induction structure for the POS terminal anti-disassembly function, zero-distance contact between the magnetic generation assembly and the magnetic induction assembly is not needed as two physical anti-disassembly switches in a traditional physical anti-disassembly scheme, and therefore the design tolerance requirement for structural parts is lowered.

Description

Technical Field

[0001] The present application relates to the technical field of POS terminal security, and more specifically, to a magnetic sensing device and a POS terminal for an anti-disassembly function of a POS terminal. Background Art

[0002] POS terminals are mainly used in the field of financial consumption. Because they involve financial security, they need to meet security assessment standards. Currently, the security technology solutions for various POS terminals are mainly physical anti-dismantling solutions.

[0003] The physical anti-disassembly solution is to connect an anti-disassembly switch (physical anti-disassembly switch) in series in the anti-disassembly detection circuit. Through the structural coordination of the POS terminal, the entire anti-disassembly detection circuit remains connected when the device is assembled properly. When the POS machine is attacked illegally and the structure of the POS machine is destroyed, the anti-disassembly detection circuit is disconnected, and the state change process of the anti-disassembly detection signal from connected to disconnected is detected by the security processor, thereby triggering the security protection logic of the security processor (i.e., triggering the security detection circuit), and the POS terminal cannot continue to work normally. The physical anti-disassembly solution has high requirements for structural coordination. The dimensions of the structural shell and the anti-disassembly switch must be within the design specifications, so that the assembled POS device is in normal state. When one of the dimensions of the structural shell and the anti-disassembly switch deviates from the design specifications, the assembled POS device will have problems.

[0004] The physical anti-tampering solution is highly dependent on the matching degree between the structural shell and the anti-tampering switch. Once the matching degree exceeds the tolerance of the design specifications, the POS device will not work properly. Utility Model Content

[0005] In response to at least one defect or improvement need in the prior art, the present application provides a magnetic sensing device and a POS terminal for the anti-dismantling function of a POS terminal, aiming to solve the technical problems that traditional physical anti-dismantling solutions are too dependent on the matching degree between the structural shell and the anti-dismantling switch, have a low tolerance for design specifications, and easily cause the POS device to malfunction.

[0006] To achieve the above-mentioned purpose, in a first aspect, the present application provides a magnetic sensing device for the anti-disassembly function of a POS terminal, comprising: a detection control component, and a magnetic sensing component and a magnetic generating component that are arranged opposite to each other without contact during use;

[0007] The magnetic induction component includes a magnetic sensor and a physical anti-tamper switch;

[0008] The magnetic generating assembly comprises a magnetic generator and a hole slot;

[0009] The magnetic generator is used to generate a magnetic field;

[0010] The magnetic sensor is used to detect the magnetic field generated by the magnetic generator;

[0011] The physical anti-tamper switch is used to provide a signal conduction path;

[0012] The hole is used to position the physical anti-dismantle switch;

[0013] The physical anti-tamper switch can be connected to the anti-tamper detection circuit outside the magnetic sensing device through the hole slot;

[0014] The magnetic sensor and magnetic generator can be connected to a safety detection circuit outside the magnetic sensing device;

[0015] The detection control component is used to detect the distance between the magnetic sensor and the magnetic generator, determine the relationship between the distance and a preset safety distance threshold, and trigger the safety detection circuit when the distance is greater than the preset safety distance threshold.

[0016] Furthermore, the magnetic sensor is a Hall sensor.

[0017] Furthermore, the magnetic generator is a permanent magnet.

[0018] Furthermore, the magnetic sensor and the physical anti-disassembly switch are packaged into the magnetic induction component through a plastic structure.

[0019] Furthermore, the magnetic generator and the hole groove are packaged into the magnetic generating component through a plastic structure.

[0020] Furthermore, the physical anti-tampering switch is carbon particles and / or zebra strips.

[0021] Furthermore, the holes and slots are openings and / or slots.

[0022] Further, the magnetic induction component includes a plurality of the physical anti-tampering switches;

[0023] The magnetic generating assembly includes a plurality of the holes and slots;

[0024] The number of the physical anti-tamper switches is the same as the number of the holes.

[0025] In a second aspect, the present application provides a POS terminal, comprising any of the magnetic sensing devices described above for the anti-disassembly function of the POS terminal.

[0026] In general, the above technical solutions conceived by the present application can achieve the following beneficial effects compared with the prior art:

[0027] (1) The present application proposes a magnetic sensing structure for the anti-disassembly function of a POS terminal. The magnetic generating component and the magnetic sensing component do not need to be in zero-distance contact like the two physical anti-disassembly switches in the traditional physical anti-disassembly solution, thereby reducing the design tolerance requirements for the structural parts, making the shell structural parts for the POS machine easier to produce, and improving the production efficiency of the shell. At the same time, the requirements for the assembly accuracy of the POS machine shell structure are reduced, making the assembly more convenient and easier, and improving the production efficiency of the assembly process section during the production of the POS machine.

[0028] (2) When a new type of POS terminal using this magnetic sensing device is attacked illegally and its structure is destroyed, it will not be so easy to deviate from the normal working process, and the matching degree requirement of the structural shell and the anti-dismantling switch is not so high, thereby improving the availability and stability of the POS terminal. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0030] Figure 1 A schematic diagram of the structure of a magnetic sensing device for the anti-disassembly function of a POS terminal provided in an embodiment of the present application;

[0031] Figure numerals: 1. Magnetic induction component; 2. Magnetic generating component; 3. Magnetic sensor; 4. Physical anti-disassembly switch; 5. Magnetic generator; 6. Hole slot. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not intended to limit the present application. In addition, the technical features involved in each embodiment of the present application described below can be combined with each other as long as they do not conflict with each other.

[0033] The terms "including" or "having" and any variations thereof in the specification, claims or drawings of this application are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device including a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products or devices.

[0034] refer to Figure 1 An embodiment of the present application provides a magnetic sensing device for the anti-disassembly function of a POS terminal. The magnetic sensing device mainly includes a detection control component, a magnetic sensing component 1 and a magnetic generating component 2 which are arranged opposite to each other without contact during use.

[0035] The magnetic induction component 1 includes a magnetic sensor 3 and a physical anti-tampering switch 4. The magnetic generating component 2 includes a magnetic generator 5 and a hole slot 6. The magnetic generator 5 is used to generate a magnetic field; the magnetic sensor 3 is used to detect the magnetic field generated by the magnetic generator 5. The physical anti-tampering switch 4 is used to provide a signal conduction path; the hole slot 6 is used to accurately position the physical anti-tampering switch 4.

[0036] The physical anti-disassembly switch 4 and the Hall sensor (the magnetic sensor 3 in this embodiment is a Hall sensor) are encapsulated into a Hall sensor assembly (the magnetic induction assembly 1 in this embodiment is a Hall sensor assembly) through a plastic structure. The physical anti-disassembly switch 4 is a silicone carbon particle or a zebra strip, or a combination of silicone carbon particles and zebra strips. The number of the physical anti-disassembly switch 4 is one or more. The number of the Hall sensor is one or more. The shape of the Hall sensor assembly is not fixed, and the specific shape can be determined according to the specific structure of the POS terminal.

[0037] The magnetic generator 5 in this embodiment uses permanent magnets. The hole slot 6 realizes the precise positioning of the physical anti-disassembly switch 4 in the Hall sensor assembly. The hole slot 6 and the permanent magnet are encapsulated into a magnetic steel assembly through a plastic structure (the magnetic generating assembly 2 in this embodiment is the magnetic steel assembly). Among them, the hole slot 6 can be an opening, a slot, or a combination of an opening and a slot (for example: the hole slot 6 is a round hole and / or a long slot), and the number thereof is the same as the number of the physical anti-disassembly switch 4 of the Hall sensor assembly. The shape and size of the permanent magnet are not fixed, and the specific shape and size can be determined according to design requirements. The appearance of the magnetic steel assembly is also not fixed, and the specific shape can be determined according to the specific structure of the POS terminal.

[0038] The detection control component is used to detect the distance between the magnetic sensor 3 and the magnetic generator 5, determine the relationship between the distance and the preset safety distance threshold, and trigger the safety detection circuit when the distance is greater than the preset safety distance threshold. Figure 1 It is not shown in the figure, it can be a separate component, or it can be integrated in the magnetic sensor 3 and / or the magnetic generator 5, which is not specifically limited here.

[0039] The Hall sensor assembly and the magnetic steel assembly are generally used in pairs. After assembly, the physical anti-disassembly switch 4 in the Hall sensor assembly passes through the hole slot 6 in the magnetic steel assembly and is connected to the anti-disassembly detection circuit and / or safety detection circuit of the POS terminal outside the magnetic sensing device. The magnetic sensor 3 and the magnetic generator 5 can be connected to the safety detection circuit outside the magnetic sensing device so that the safety detection circuit can be triggered when the distance between them is larger in the future. More specifically, the Hall sensor is aligned with the permanent magnet and connected to the safety detection circuit of the POS terminal. The distance between the Hall sensor assembly and the magnetic steel assembly can be determined according to the distance safety threshold.

[0040] When the POS terminal is illegally attacked by external force, the distance between the Hall sensor component and the magnetic steel component (which can also be represented by the distance between the Hall sensor and the permanent magnetic steel) may become larger. If the above structural distance generated by the external force is not greater than the distance safety threshold and is greater than zero (greater than zero means non-contact), the safety detection circuit where the physical anti-disassembly switch of traditional physical contact is located will be triggered first, and the safety detection circuit where the Hall sensor and the permanent magnetic steel are located will not be triggered; and when the distance between the Hall sensor component and the magnetic steel component is greater than the above distance safety threshold, the safety detection circuit where the Hall sensor and the permanent magnetic steel are located will be triggered, and then the POS terminal will not be able to continue to work normally.

[0041] Traditional physical contact requires two physical anti-tampering switches to be in zero-distance contact, but the Hall sensor assembly and the magnetic steel assembly do not require such zero-distance contact, but adopt a non-contact magnetic induction structure solution. Therefore, when the structure is not zero-contact and the structural spacing is not greater than the distance safety threshold, the physical contact anti-tampering switch must be triggered first, and because the distance safety threshold has not been reached, the safety detection circuit where the Hall sensor and the permanent magnet are located will not be triggered at this time. When the structural spacing is greater than the above-mentioned distance safety threshold, the technical effect of using the Hall sensor assembly and the magnetic steel assembly is the same as that of using two traditional physical contact anti-tampering switches, and the safety detection circuit will be triggered.

[0042] The present application specifically sets up a magnetic sensing structure for the anti-disassembly function of the POS terminal. The magnetic generating component and the magnetic sensing component do not need to be in zero-distance contact like the two physical anti-disassembly switches in the traditional physical anti-disassembly solution, thereby reducing the design tolerance requirements for the structural parts, and thus making the shell structural parts for the POS machine easier to produce, thereby improving the production efficiency of the shell. At the same time, the requirements for the assembly accuracy of the POS machine shell structure are reduced, making the assembly more convenient and easier, and improving the production efficiency of the assembly process section during the production of the POS machine.

[0043] Another embodiment of the present application proposes a POS terminal, which includes the above-mentioned magnetic sensing device for the anti-disassembly function of the POS terminal. The specific structure of the magnetic sensing device can refer to the above discussion and will not be repeated here. When the structure of the POS terminal is damaged by illegal attacks, this new type of POS terminal will not be easily deviated from the normal working process, and the matching degree of the structural shell and the anti-disassembly switch is not so high, thereby improving the availability and stability of the POS terminal.

[0044] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims of the present disclosure may be combined and / or combined in a variety of ways, even if such combinations and / or combinations are not explicitly described in the present disclosure. In particular, without departing from the spirit and teachings of the present disclosure, the features described in the various embodiments and / or claims of the present disclosure may be combined and / or combined in a variety of ways, and all of these combinations and / or combinations fall within the scope of the present disclosure.

[0045] Although the present disclosure has been shown and described with reference to specific exemplary embodiments of the present disclosure, it should be understood by those skilled in the art that various changes in form and details may be made to the present disclosure without departing from the spirit and scope of the present disclosure as defined by the appended claims and their equivalents. Therefore, the scope of the present disclosure should not be limited to the above-mentioned embodiments, but should be determined not only by the appended claims, but also by the equivalents of the appended claims.

Claims

1. A magnetic sensing device for POS terminal anti-tampering function, characterized in that: include: A detection control component, and a magnetic induction component (1) and a magnetic generation component (2) which are arranged opposite to each other without contact during use; The magnetic induction component (1) comprises a magnetic sensor (3) and a physical anti-disassembly switch (4); The magnetic generating assembly (2) comprises a magnetic generator (5) and a hole slot (6); The magnetic generator (5) is used to generate a magnetic field; The magnetic sensor (3) is used to detect the magnetic field generated by the magnetic generator (5); The physical anti-disassembly switch (4) is used to provide a signal conduction path; The hole (6) is used to position the physical anti-dismantle switch (4); The physical anti-disassembly switch (4) can pass through the hole (6) to be connected to the anti-disassembly detection circuit outside the magnetic sensing device; The magnetic sensor (3) and the magnetic generator (5) can be connected to a safety detection circuit outside the magnetic sensing device; The detection control component is used to detect the distance between the magnetic sensor (3) and the magnetic generator (5), determine the size relationship between the distance and a preset safety distance threshold, and trigger the safety detection circuit when the distance is greater than the preset safety distance threshold.

2. The magnetic sensing device for POS terminal anti-tampering function as claimed in claim 1, characterized in that: The magnetic sensor (3) is a Hall sensor.

3. The magnetic sensing device for POS terminal anti-tampering function as claimed in claim 1, characterized in that: The magnetic generator (5) is a permanent magnetic steel.

4. The magnetic sensing device for POS terminal anti-tampering function as claimed in claim 1, characterized in that: The magnetic sensor (3) and the physical anti-disassembly switch (4) are packaged into the magnetic induction component (1) through a plastic structure.

5. The magnetic sensing device for POS terminal anti-tampering function as claimed in claim 1, characterized in that: The magnetic generator (5) and the hole groove (6) are packaged into the magnetic generating component (2) through a plastic structure.

6. The magnetic sensing device for POS terminal anti-tampering function as claimed in claim 1, characterized in that: The physical anti-disassembly switch (4) is carbon particles and / or zebra stripes.

7. The magnetic sensing device for POS terminal anti-tampering function as claimed in claim 1, characterized in that: The holes and slots (6) are openings and / or slots.

8. The magnetic sensing device for POS terminal anti-tampering function as claimed in claim 1, characterized in that: The magnetic induction component (1) comprises a plurality of the physical anti-disassembly switches (4); The magnetic generating component (2) comprises a plurality of holes and slots (6); The number of the physical anti-disassembly switches (4) and the number of the holes (6) are the same.

9. A POS terminal, characterized in that: A magnetic sensing device for the anti-disassembly function of a POS terminal comprising any one of claims 1 to 8.

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