CN209947026U - ATM keyboard cover and ATM equipment - Google Patents

Abstract

The embodiment of the utility model discloses ATM keyboard cover and ATM equipment, ATM keyboard cover includes: a keyboard cover main body; the damage prevention circuit is embedded into the keyboard cover main body and comprises at least one input end, at least one output end and sensing wires connected between the at least one input end and the at least one output end, and the spacing distance between the sensing wires is not greater than a preset spacing distance; and the microprocessor is used for sending a signal from the first pin and judging whether the signal received by the second pin is consistent with the signal sent by the first pin so as to detect whether the anti-damage circuit is damaged. The utility model discloses technical scheme through cover at the keyboard and add the net circuit, reaches the effect that destroys the keyboard cover and just can trigger the warning.

Description

ATM keyboard cover and ATM equipment

Technical Field

The embodiment of the utility model provides a relate to ATM technical field, especially relate to an ATM keyboard cover and ATM equipment.

Background

In recent 10 years, the national ATM industry has been rapidly developed, and according to incomplete statistics, the total number of ATMs in China is increasing continuously at present, and the number is also rapidly increasing in order to meet the requirements of numerous people in China. Behind the rapid growth, the security problem of ATMs is not overlooked by financial institutions.

At present, a keyboard cover of an ATM is not basically provided with a damage-proof circuit, and the password of a user cannot be prevented from being stolen by installing a false keyboard cover with a camera after the existing keyboard cover is drilled.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a ATM keyboard cover and ATM equipment to solve and detect whether damaged technical problem of keyboard cover.

In a first aspect, an embodiment of the present invention provides an ATM keyboard cover, including:

a keyboard cover main body;

the damage prevention circuit is embedded into the keyboard cover main body and comprises at least one input end, at least one output end and sensing wires connected between the at least one input end and the at least one output end, and the spacing distance between the sensing wires is not greater than a preset spacing distance;

and the microprocessor is used for sending a signal from the first pin and judging whether the signal received by the second pin is consistent with the signal sent by the first pin so as to detect whether the anti-damage circuit is damaged.

Optionally, the damage prevention circuit includes an input end and an output end, and the sensing wire between the input end and the output end is in a "Z" shape.

Optionally, the anti-damage circuit includes two way inputs and two way outputs, and wherein the sensing wire trend of input and output of the same kind of input and the same kind of output is first "Z" shape, and the sensing wire trend of another way input and another way output is second "Z" shape, first "Z" shape with the trend intercrossing of second "Z" shape forms latticedly.

Optionally, the anti-damage circuit has only one input end and one output end, N parallel sensing wires are included between the input end and the output end, and N is a positive integer greater than 1.

Optionally, the damage prevention circuit is a flexible circuit board with a thickness of not more than 0.2 mm.

Optionally, the shape of the tamper resistant circuit corresponds to the keyboard cover main body.

Optionally, the microprocessor includes one of a MAXQ32550 or MAXQ32555 model chip.

Optionally, the ATM keypad cover further comprises:

and the alarm is connected with the microprocessor and used for generating an alarm signal when the microprocessor detects that the anti-damage circuit is damaged.

Optionally, the ATM keypad cover further comprises:

and the wireless transmission module is connected with the microprocessor and used for transmitting the alarm signal to a master control center.

In a second aspect, the embodiment of the present invention further provides an ATM apparatus, including: any ATM keypad cover as described in the previous embodiments.

The embodiment of the utility model provides a prevent destroying the circuit through installing on the keyboard cover, microprocessor sends a signal to preventing destroying the circuit from first pin and detects, when the wire of preventing destroying the circuit is damaged and breaks off, microprocessor second pin received signal with the signal inconsistency that first pin sent, therefore can confirm prevent destroying the circuit and be in the damage condition.

Drawings

Fig. 1 is a schematic structural diagram of an ATM keyboard cover according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of an ATM keyboard cover according to a second embodiment of the present invention;

fig. 3 is a schematic structural diagram of an ATM keyboard cover according to a third embodiment of the present invention;

fig. 4 is a schematic structural diagram of an ATM keyboard cover according to a fourth embodiment of the present invention;

fig. 5 is a first schematic structural diagram of an ATM keyboard apparatus according to a fifth embodiment of the present invention;

fig. 6 is a schematic structural diagram of an ATM keyboard device according to a fifth embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1, an embodiment of the present invention provides an ATM keyboard cover 100, comprising: a keyboard cover body 110, a tamper-proof circuit 120, and a microprocessor 130.

The keypad cover body 110 is installed on the keypad to cover the keypad, and can prevent others from peeping when a user inputs a password. Specifically, the material of the keyboard cover main body 110 may be plastic, metal, or the like, and the embodiment is not limited thereto. The keyboard cover is double-layer, and a grid circuit is arranged between the two layers of the keyboard cover. The main body of the keyboard cover is in a step shape, and the side surfaces of the left side and the right side are in a fan shape.

A tamper-proof circuit 120 is embedded in the keymat body 110. The anti-damage circuit 120 includes at least one input terminal, at least one output terminal, and a sensing wire connected between the at least one input terminal and the at least one output terminal, and a distance between the sensing wires is not greater than a preset distance.

Specifically, the anti-tamper Circuit 120 is made of a Flexible Printed Circuit (FPC) material, is Flexible and bendable, and the shape of the anti-tamper Circuit 120 is determined according to the shape of the keyboard cover body 110 during actual use. The number of the input end and the output end of the anti-damage circuit 120 may be one, two, or multiple, and this embodiment is not limited. The smaller the spacing distance of the sense wires connected between the input and output terminals, the better. In the present embodiment, the predetermined spacing distance is not greater than 1 mm, and in a preferred embodiment, the distance between the sensing wires may be 0.1-0.2 mm, for example, not greater than 0.1 mm, which is not limited in this embodiment.

At least one first pin of the microprocessor 130 is connected to at least one input terminal of the tamper circuit 120, and at least one second pin of the microprocessor 130 is connected to at least one output terminal of the tamper circuit 120, and is configured to send a signal from the first pin, and determine whether the signal received by the second pin is consistent with the signal sent by the first pin, so as to detect whether the tamper circuit 120 is damaged.

Specifically, the number of pins of the microprocessor 130 connected to the tamper-proof circuit 120 is equal to the number of input terminals of the tamper-proof circuit 120. For example, if the anti-tamper circuit 120 has 2 input ports and 2 output ports, the microprocessor 130 has 2 pins connected to the 2 input ports, and the other 2 pins connected to the 2 output ports, thereby forming 2 sets of loops. For another example, if the anti-tamper circuit 120 has 3 inputs and 3 outputs, the microprocessor 130 has 3 pins connected to the 3 inputs and 3 pins connected to the 3 outputs, thereby forming 3 sets of circuits. In this embodiment, the pins connected to the input end of the anti-tamper circuit 120 are collectively referred to as a first pin, the pins connected to the output end of the anti-tamper circuit 120 are collectively referred to as a second pin, and the number of the first pin and the second pin may be 1 or more, and is determined by the number of the input end and the number of the output end. The microprocessor 130 sends a signal from the first pin, which goes through the tamperproof circuit 120, from the second pin back to the microprocessor. At this time, the microprocessor 130 determines whether the signal received by the second pin is consistent with the signal sent by the first pin, and if so, it indicates that the wire of the path is not damaged, i.e. the tamper-proof circuit 120 is not damaged. If no signal or signal abnormality is received by the second pin, it indicates that the conductive line of the path is broken, i.e., the tamper-proof circuit 120 is broken. The signal transmitted from the first pin by the microprocessor 130 in this embodiment may be a plurality of pulse signals having a preset width and interval, or may be a single pulse signal having a preset width.

Optionally, the damage prevention circuit 120 is a flexible circuit board with a thickness of not more than 0.2 mm.

Optionally, the shape of the tamper proof circuit 120 corresponds to the keyboard cover main body 110.

Specifically, the tamper circuit 120 is embedded in the fallboard main body 110, and the shape of the tamper circuit 120 is determined by the fallboard main body 110.

Optionally, the microprocessor may be one of MAXQ32550 and MAXQ32555 chips.

Optionally, the ATM keypad cover further comprises: and the alarm is connected with the microprocessor 130 and is used for generating an alarm signal when the microprocessor 130 judges that the damage prevention circuit 120 is damaged according to the detection signal.

Optionally, the ATM keypad cover further comprises: and the wireless transmission module is connected with the microprocessor 130 and is used for transmitting the alarm signal to a main control center.

The embodiment of the utility model provides a prevent destroying circuit 120 through installation on the keyboard cover, microprocessor 130 sends a signal to preventing destroying circuit 120 from first pin and detects, when preventing destroying circuit 120's wire by the damage emergence fracture, microprocessor 130 second pin received signal with the signal nonconformity that first pin sent, therefore can confirm prevent destroying circuit 120 is in the damage condition.

Example two

Referring to fig. 2, an embodiment of the present invention provides an ATM keyboard cover, including: a body of a keyboard cover, a tamper-proof circuit 120, and a microprocessor 130.

The keyboard cover main body is arranged on the keyboard and used for covering the keyboard, and a user can prevent peeping when inputting a password.

The damage prevention circuit 120 is embedded in the keyboard cover main body, and includes a path of input end, a path of output end, and sensing wires connected between the path of input end and the path of output end, where a spacing distance between the sensing wires is not greater than a preset spacing distance, in this embodiment, the preset spacing distance may be 1 mm, and in a preferred embodiment, the distance between the sensing wires may be 0.1 mm;

and a microprocessor 130, wherein a first pin of the microprocessor 130 is connected to one input end of the anti-damage circuit 120, and a second pin of the microprocessor 130 is connected to one output end of the anti-damage circuit 120, and is configured to send a signal from the first pin, and determine whether the signal received by the second pin is consistent with the signal sent by the first pin, so as to detect whether the anti-damage circuit 120 is damaged.

Specifically, the anti-damage circuit 120 includes an input end and an output end, and the sensing wires between the input end and the output end are in a "Z" shape, wherein the spacing distance between the sensing wires is not greater than the preset spacing distance. In one embodiment, the sensing wire between the input end and the output end is formed by connecting N wires end to end, and the front and rear wires are perpendicular to each other to form a "Z" shape. For example, the head of the 1 st segment of the wire is connected with the input end and is in a horizontal state; the head part of the 2 nd section of conducting wire is connected with the tail part of the 1 st section of conducting wire and is vertical to the 1 st section of conducting wire; the head part of the 3 rd section of conducting wire is connected with the tail part of the 2 nd section of conducting wire, and the 3 rd section of conducting wire is parallel to the 1 st section of conducting wire and is vertical to the 2 nd section of conducting wire; the head part of the 4 th section of wire is connected with the tail part of the 3 rd section of wire and is vertical to the 3 rd section of wire; the head of the 5 th section of wire is connected with the tail of the 4 th section of wire, the 5 th section of wire is parallel to the 1 st section of wire and is perpendicular to the 4 th section of wire, and so on, namely, the embodiment comprises a plurality of wires which are sequentially connected end to end, the odd-numbered sequence wires are longer and are sequentially aligned in parallel according to the size of the odd-numbered sequence, the wires of the even-numbered sequence are shorter and are sequentially connected between the adjacent odd-numbered sequence wires according to the number and are alternately distributed on two sides of the odd-numbered sequence wires. The even number sequence of the wires in this embodiment determines the minimum distance between the anti-tamper circuit 120, and when the keyboard cover is damaged, that is, any one of the sensing wires of the anti-tamper circuit 120 is damaged and disconnected, the second pin of the microprocessor receives an abnormal signal, and then triggers an alarm signal.

EXAMPLE III

Referring to fig. 3, an embodiment of the present invention provides an ATM keyboard cover, including: a body of a keyboard cover, a tamper-proof circuit 120, and a microprocessor 130.

The keyboard cover main body is arranged on the keyboard and used for covering the keyboard, and a user can prevent peeping when inputting a password.

The damage prevention circuit 120 is embedded in the keyboard cover main body, and includes two input ends, two output ends, and sensing wires connected between the two input ends and the two output ends, wherein a distance between the sensing wires is not greater than a preset distance, the preset distance may be 1 mm in this embodiment, and in a preferred embodiment, the distance between the sensing wires may be 0.1 mm.

And the microprocessor 130, wherein a first pin and a second pin of the microprocessor 130 are connected with two input ends of the anti-damage circuit 120, and a third pin and a fourth pin of the microprocessor 130 are connected with two output ends of the anti-damage circuit 120, and are used for sending a signal from the first pin, judging whether the signal received by the third pin is consistent with the signal sent by the first pin, sending a signal from the second pin, and judging whether the signal received by the fourth pin is consistent with the signal sent by the second pin, so as to detect whether the anti-damage circuit 120 is damaged.

Specifically, the anti-damage circuit has two way inputs and two way outputs, and wherein the sensing wire trend of input and output of the same kind of input and the same kind of output is first "Z" shape, and the sensing wire trend of another way input and another way output is "Z" shape of second direction, first "Z" shape with the trend intercrossing of second "Z" shape forms latticedly. Wherein the spacing distance between the sensing wires is not greater than a preset spacing distance. Specifically, the sensing wire between the input end and the output end in the first Z shape is formed by connecting N sections of wires end to end, and the front section of wire and the rear section of wire are mutually vertical to form the Z shape. For example, the head of the 1 st segment of the wire is connected with the input end and is in a horizontal state; the head part of the 2 nd section of conducting wire is connected with the tail part of the 1 st section of conducting wire and is vertical to the 1 st section of conducting wire; the head part of the 3 rd section of wire is connected with the tail part of the 2 nd section of wire and is vertical to the 2 nd section of wire; the head part of the 4 th section of wire is connected with the tail part of the 3 rd section of wire and is vertical to the 3 rd section of wire; the head part of the 5 th section of wire is connected with the tail part of the 4 th section of wire and is vertical to the 4 th section of wire; and the like, clockwise two sections of conducting wires are perpendicular to the previous sections of the conducting wires respectively, anticlockwise two sections of conducting wires are perpendicular to the previous sections of the conducting wires respectively, and the process is repeated, so that the conducting wires are Z-shaped finally. In this embodiment, the conductors of the odd-numbered sequence are longer and the conductors of the even-numbered sequence are shorter. For the sensing lead between the second Z-shaped input end and the output end, the head part of the a-section lead is connected with the input end and is in a linear section shape; the head part of the b-th section of wire is connected with the tail part of the a-th section of wire and is vertical to the a-th section of wire; the head part of the c section of wire is connected with the tail part of the b section of wire and is vertical to the b section of wire; the head part of the d section of conducting wire is connected with the tail part of the c section of conducting wire and is vertical to the c section of conducting wire; the head part of the e-th section of wire is connected with the tail part of the d-th section of wire and is vertical to the d-th section of wire; and the like, two sections of conducting wires are anticlockwise perpendicular to the previous sections respectively, the other two sections of conducting wires are clockwise perpendicular to the previous sections respectively, and the circulation is continued, so that the conducting wires are Z-shaped finally. The first Z shape and the second Z shape are mutually vertical, the upper layer and the lower layer are arranged, the conducting wires in odd number sequences are longer, and the conducting wires in even number sequences are shorter, so that a grid structure is formed. The grid wires are distributed more closely, and whether the keyboard cover is damaged or not is easier to detect. When the keyboard cover is damaged, i.e. the sensing wires of the anti-damage circuit 120 are damaged, the third and fourth pins of the microprocessor receive abnormal signals, and then an alarm signal is triggered.

Example four

As shown in fig. 4, an embodiment of the present invention provides an ATM keyboard cover, including: a body of a keyboard cover, a tamper-proof circuit 120, and a microprocessor 130.

The keyboard cover main body is arranged on the keyboard and used for covering the keyboard, and a user can prevent peeping when inputting a password.

A damage prevention circuit 120, where the damage prevention circuit 120 is embedded in the keyboard cover main body, and includes a path of input end, a path of output end, and sensing wires connected between the path of input end and the path of output end, and a spacing distance between the sensing wires is not greater than a preset spacing distance, in this embodiment, the preset spacing distance may be 1 mm, and in a preferred embodiment, the distance between the sensing wires may be 0.1 mm;

and a microprocessor 130, wherein a first pin of the microprocessor 130 is connected to one input end of the anti-damage circuit 120, and a second pin of the microprocessor 130 is connected to one output end of the anti-damage circuit 120, and is configured to send a signal from the first pin, and determine whether the signal received by the second pin is consistent with the signal sent by the first pin, so as to detect whether the anti-damage circuit 120 is damaged.

Specifically, the anti-damage circuit only has an input end and an output end, N sensing wires connected in parallel are included between the input end and the output end, and N is a positive integer greater than 1. Wherein the spacing distance between the sensing wires is not greater than a preset spacing distance. Specifically, the N parallel sensing wires may be 10-100 parallel sensing wires, for example, 50 parallel sensing wires. The present embodiment is not limited. As shown in fig. 4, the 1 st segment of conducting wire, the 2 nd segment of conducting wire, and the 3 rd segment of conducting wire are parallel connected, and all converge into a path, i.e. an input end and an output end. When the keyboard cover is damaged, that is, the sensing wire of the tamper-proof circuit 120 is damaged, the second pin of the microprocessor receives a signal and generates an abnormality, for example, an abnormality occurs in current, and then an alarm signal is triggered. In alternative embodiments, each wire may also be connected in series with a resistor.

EXAMPLE five

Fig. 5 and 6 are schematic structural diagrams of an ATM keyboard device according to a fifth embodiment of the present invention. As shown in fig. 5 and 6, the keyboard holder 500 of the ATM mainframe is provided with a keyboard apparatus 510 for inputting a password, and the keyboard apparatus 510 includes a peep-proof cover and a keyboard module, and opposite sensors 501 and 503, reflection sensors 502 and 504, an ultrasonic sensor 506, a touch sensor 507, a grid circuit 614, a tamper proof device 612, and a removal proof device 613.

In this embodiment, the correlation sensors 501 and 503 are respectively installed on the peep-proof cover and the keyboard panel, and are used for detecting whether a device for stealing passwords is installed on the keyboard panel. The number of the correlation sensors can be one or more, when the number of the correlation sensors is more than one, the detection range can be expanded, and in case that one of the correlation sensors is damaged, other correlation sensors can continue to detect.

In this embodiment, the reflective sensors 502 and 504 are respectively embedded in the receiving slots installed on the keyboard panel, the probes of the reflective sensors 502 and 504 are exposed to the openings of the receiving slots, the reflective sensors 502 and 504 are used for detecting whether the surface of the keyboard panel is covered by a non-transparent object, the covered object and the uncovered object are in two states, for example, the sensor is in a "covered" state (logic 1) when the covered object is present, and is in a "not covered" state (logic 0) when the covered object is absent, the reflective sensors are connected with the microprocessor, and the microprocessor determines whether the keyboard is covered or not according to the results.

In this embodiment, the ultrasonic sensor 506 is embedded in a housing groove mounted on the keyboard panel, and a probe of the ultrasonic sensor 506 is exposed to an opening of the housing groove, and the ultrasonic sensor 506 is used for detecting the presence or absence of a cover film device on the surface of the keyboard panel, and the presence or absence of the cover is set to two states, for example, the sensor is set to "present" state (logic 1) when the cover is present and set to "absent" state (logic 0) when the cover is absent. The ultrasonic sensor 506 is connected with the microprocessor, and the microprocessor judges whether the keyboard is covered or not according to the judgment.

In this embodiment, the touch sensor 507 is embedded in a receiving groove installed on the keypad panel, and the probe of the touch sensor 507 protrudes from the keypad panel, and the touch sensor 507 is used to detect whether there is a cover film device on the surface of the keypad panel, and the presence and absence of the cover are in two states, for example, the sensor is in a "presence" state (logic 1) when there is the cover, and in a "absence" state (logic 0) when there is no cover. The touch sensor 507 is connected with the microprocessor, and the microprocessor judges whether the keyboard is covered or not according to the touch sensor.

In this embodiment, the grid circuit 614, that is, the tamper-proof circuit of this embodiment, is embedded in the keymat main body, and includes at least one input terminal, at least one output terminal, and sensing wires connected between the at least one input terminal and the at least one output terminal, where a spacing distance between the sensing wires is not greater than a preset spacing distance.

In this embodiment, the anti-detaching device 612 is installed at the bottom of the anti-peeping cover and is used for detecting whether the anti-peeping cover is detached. In this embodiment, the removal prevention device 613 is installed on the keyboard panel and is used for detecting whether the keyboard is removed. The anti-tamper device 612 and the anti-removal device 613 of the present embodiment may be a pressing type sensor, and when the anti-tamper cover and the keyboard panel are normally installed, the contact point of the pressing type sensor is in a first state, such as a compressed state, and when the anti-tamper cover and the keyboard panel are illegally detached, the contact point of the pressing type sensor is in a second state, such as a free release state, and the free release state generates a corresponding illegal detachment signal to notify the microprocessor.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. An ATM keypad cover, comprising:

a keyboard cover main body;

the damage prevention circuit is embedded into the keyboard cover main body and comprises at least one input end, at least one output end and sensing wires connected between the at least one input end and the at least one output end, and the spacing distance between the sensing wires is not greater than a preset spacing distance;

and the microprocessor is used for sending a signal from the first pin and judging whether the signal received by the second pin is consistent with the signal sent by the first pin so as to detect whether the anti-damage circuit is damaged.

2. An ATM keyboard cover according to claim 1, wherein said tamper resistant circuitry comprises an input and an output, the sense conductor between said input and said output running in a "Z" shape.

3. An ATM keyboard cover according to claim 1, wherein said tamper resistant circuit comprises two inputs and two outputs, wherein the sense leads of one input and one output run in a first "Z" shape, and the sense leads of the other input and the other output run in a second "Z" shape, the first and second "Z" shapes crossing each other to form a grid shape.

4. An ATM keyboard cover according to claim 1, wherein said tamper resistant circuitry has only one input and one output, said input and said output including N parallel sense conductors therebetween, N being a positive integer greater than 1.

5. An ATM keyboard cover according to claim 1, wherein said tamper resistant circuit is a flexible circuit board having a thickness of no more than 0.2 mm.

6. An ATM keymat cover according to claim 1, wherein said tamper-resistant circuitry corresponds in shape to said keymat cover body.

7. The ATM keymat of claim 1, wherein the microprocessor comprises one of a MAXQ32550 or MAXQ32555 model chip.

8. The ATM keypad cover according to claim 1, wherein the ATM keypad cover further comprises:

and the alarm is connected with the microprocessor and used for generating an alarm signal when the microprocessor detects that the anti-damage circuit is damaged.

9. The ATM keypad cover of claim 8, wherein the ATM keypad cover further comprises:

and the wireless transmission module is connected with the microprocessor and used for transmitting the alarm signal to a master control center.

10. An ATM apparatus, comprising: the ATM keypad cover of any one of claims 1-9.

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