CN207068126U - Code keypad antiwithdrawal device and financial self-service equipment - Google Patents
Code keypad antiwithdrawal device and financial self-service equipment Download PDFInfo
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- CN207068126U CN207068126U CN201720817794.XU CN201720817794U CN207068126U CN 207068126 U CN207068126 U CN 207068126U CN 201720817794 U CN201720817794 U CN 201720817794U CN 207068126 U CN207068126 U CN 207068126U
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- China
- Prior art keywords
- code keypad
- pin
- antiwithdrawal device
- tongue tube
- permanent magnetic
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Abstract
Originally a kind of code keypad antiwithdrawal device and financial self-service equipment be the utility model is related to, antiwithdrawal device includes code keypad, installing plate and master control borad, the code keypad back side is provided with least one permanent magnetic iron, installing plate opening position corresponding with permanent magnetic iron is provided with open type tongue tube, the master control borad is provided with storage IC chip, erasing pin J1 and erasing pin J2, and the both ends of the open type tongue tube electrically connect with erasing pin J1 and erasing pin J2 respectively.Antiwithdrawal device is additionally arranged at least one set of permanent magnetic iron and open type tongue tube, permanent magnetic iron is close with tongue tube, position balance, when code keypad is by illegal torn open, distance becomes big between permanent magnetic iron and tongue tube, disconnects the contact of tongue tube, master control borad is monitored between wiping pin J1 and wiping pin J2 from the state change for being conducting to disconnection, and work is triggered, storage IC chip is started to wipe, ensure that data safety.
Description
Technical field
It the utility model is related to financial self-service equipment technical field, more particularly to a kind of code keypad antiwithdrawal device and use
The financial self-service equipment of the antiwithdrawal device.
Background technology
The encryption password keyboard of financial self-service equipment is also known as code keypad or EPP, is a kind of apply in financial field
Safety means, it is desirable to possess high security, be mainly used in the input of customer bank clip pin and encryption work, in password
In keyboard core processor, the working key and master key of bank are also stored for, has criminal to take or spy by sled
Etc. mode come the keyboard that snatches password, and user cipher, the working key for understanding bank and master key are stolen by code keypad and stolen
Bank data is taken, directly threatens user and bank safety, in the market needs the code keypad for meeting safety precaution.
Utility model content
The purpose of this utility model is to provide a kind of good code keypad antiwithdrawal device of security and uses the anti-dismounting
The financial self-service equipment put.
What the utility model was realized in：A kind of code keypad antiwithdrawal device, including code keypad, installing plate and master control
Plate, the code keypad back side are provided with least one permanent magnetic iron, and installing plate opening position corresponding with permanent magnetic iron is provided with
Open type tongue tube, the master control borad are provided with storage IC chip, erasing pin J1 and erasing pin J2, the dry spring of open type
The both ends of pipe electrically connect with erasing pin J1 and erasing pin J2 respectively.
Wherein, four corners at the code keypad back side are equipped with permanent magnetic iron, the tongue tube number on the installing plate
Amount is also correspondingly four, is electrically connected after four tongue tubes concatenation with erasing pin J1 and erasing pin J2.
Wherein, also it is serially connected with closed type vibroswitch between the erasing pin J1 and erasing pin J2.
Wherein, delay procedure module is additionally provided with the master control borad, the delay time of the delay procedure module is 2 millis
- 5 milliseconds of second.
Wherein, the code keypad is fixed by screws on installing plate, is equipped with the code keypad and installing plate
The screw hole of mutual cooperation.
Wherein, the installing plate is provided with inner chamber and is used to house master control borad, and the interior intracavitary is additionally provided with powers for master control borad
Battery.
Wherein, the code keypad includes key panel and backboard, and the permanent magnetic iron is arranged on the back side of backboard.
Wherein, the tongue tube is provided with gold plated contact.
Wherein, the vibroswitch is provided with gold plated contact.
Another technical solution provided by the utility model is：A kind of financial self-service equipment, including password recited above
Keyboard antiwithdrawal device.
The beneficial effects of the utility model are：Code keypad antiwithdrawal device provided by the utility model, is additionally arranged at least one
Group permanent magnetic iron and open type tongue tube, permanent magnetic iron is close with tongue tube, position balance, when code keypad has illegally been torn open
When, distance becomes big between permanent magnetic iron and tongue tube, disconnects the contact of tongue tube, and master control borad monitors to wipe pin J1 and wiping
Except from being conducting to the state change of disconnection, and work is triggered between pin J2, storage IC chip is started to wipe, ensure that data
Safety.When staff's maintenance maintenance needs to dismantle code keypad, code keypad input unlocking pin is first passed through, that is, is released dry
The alarm condition of reed pipe, it can dismantle；When maintenance and repair is completed, code keypad is covered, permanent magnetic iron is resetted, and tongue tube is in
Normally off, automatically into guard mode, then code keypad is locked.
Brief description of the drawings
Fig. 1 is the front elevation of code keypad in code keypad antiwithdrawal device embodiment described in the utility model；
Fig. 2 is the back view of code keypad in code keypad antiwithdrawal device embodiment described in the utility model；
Fig. 3 is the front elevation of installing plate in code keypad antiwithdrawal device embodiment described in the utility model；
Fig. 4 is the circuit theory diagrams of code keypad antiwithdrawal device described in the utility model.
Wherein, 1, code keypad；11st, screw hole；2nd, installing plate；21st, inner chamber；22nd, screw hole；3rd, master control borad；4th, permanent magnetism
Magnet；5th, tongue tube；6th, vibroswitch.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Financial self-service equipment described in the utility model includes code keypad antiwithdrawal device, as code keypad antiwithdrawal device
Embodiment, as shown in Figures 1 to 4, including code keypad 1, installing plate 2 and master control borad 3, the back side of code keypad 1 are provided with least
One permanent magnetic iron 4, the installing plate 2 are provided with open type tongue tube 5, the master control borad 2 with 4 corresponding opening position of permanent magnetic iron
Storage IC chip, erasing pin J1 and erasing pin J2 are provided with, the both ends of the open type tongue tube 5 are respectively with wiping pin
J1 and erasing pin J2 electrical connection, erasing pin J1 and erasing pin J2 is set be in normally off, the code keypad is removing 1 just
Outside normal trading password keypress function, safety lock password setting can also be carried out.
The code keypad antiwithdrawal device, it is additionally arranged at least one set of permanent magnetic iron 4 and open type tongue tube 5, permanent magnetic iron 4
Close, the position balance with tongue tube 5, when code keypad 1 is by illegal torn open, distance becomes between permanent magnetic iron 4 and tongue tube 5
Greatly, disconnect the contact of tongue tube 5, master control borad 3 is monitored between wiping pin J1 and wiping pin J2 from being conducting to disconnection
State change, work is triggered, storage IC chip is started to wipe, ensure that data safety.When staff's maintenance maintenance needs
When dismantling code keypad 1, first pass through code keypad 1 and input unlocking pin, that is, release the alarm condition of tongue tube 5, can dismantle；
When maintenance and repair is completed, code keypad 1 is covered, permanent magnetic iron 4 resets, and tongue tube 5 is in normally off, automatically into protection
State, then code keypad 1 lock.
In the present embodiment, four corners at the back side of code keypad 1 are equipped with permanent magnetic iron 4, on the installing plate 2
The quantity of tongue tube 5 be also correspondingly four, with erasing pin J1 and wiping pin J2 and being electrically connected after four tongue tubes 5 concatenation
Connect.Code keypad 1, which is disassembled, tilts any one angle, even the shift length of very little, at least one in four tongue tubes 5
Can be triggered disconnection, very sensitive；The tongue tube 5 uses high-seal pipe, and provided with gold plated contact, reaction is flexible, endurance
Degree is high.Two groups or three groups of permanent magnetic irons and tongue tube are set certainly, by rational location arrangements, can also reach good sensitive
Degree and reliability.
In the present embodiment, also it is serially connected with closed type vibroswitch TK between the erasing pin J1 and erasing pin J2.
If run into illegal quick-fried power dismounting, vibroswitch TK disconnects at once, and master control borad 3 monitors to wipe pin J1 and erasing pin J2
Between from the state change for being conducting to disconnection, trigger work, storage IC chip erasing starts, dual so have duplicate protection
The effect of insurance；The vibroswitch TK is provided with gold plated contact, and reaction is flexible, and endurance is high.
In the present embodiment, delay procedure module is additionally provided with the master control borad 3, during the delay of the delay procedure module
Between be 2-5 milliseconds.Each functional part in circuit may be disturbed by the external world, and influence the stability of circuit, for example make
Imprudence transient vibration, weak magnetic during, tongue tube 5 and vibroswitch TK switch contact may transient jitter disconnect,
At this moment delay procedure module is set then to seem very necessary on master control borad 3, delay time is arranged to 2 milliseconds -5 milliseconds, then
Can solve the transient jitter false triggering situation in the case of the overwhelming majority.
In the present embodiment, the code keypad 1 includes key panel and backboard, and the permanent magnetic iron 4 is arranged on backboard
The back side；The code keypad 1 is fixed by screws on installing plate 2, and phase is equipped with the code keypad 1 and installing plate 2
The screw hole 11,22 mutually coordinated, the installing plate 2 are provided with inner chamber 21 and are used to house master control borad 3, be additionally provided with the inner chamber 21
The battery powered for master control borad 3, can when code keypad 1 is wireless cipher keyboard, or when not possessing power line condition of power supply
With with battery powered.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of code keypad antiwithdrawal device, including code keypad, installing plate and master control borad, it is characterised in that the cryptographic key
The disk back side is provided with least one permanent magnetic iron, and installing plate opening position corresponding with permanent magnetic iron is provided with open type tongue tube,
The master control borad is provided with storage IC chip, erasing pin J1 and erasing pin J2, the both ends difference of the open type tongue tube
Electrically connected with erasing pin J1 and erasing pin J2.
2. code keypad antiwithdrawal device according to claim 1, it is characterised in that four corners at the code keypad back side
Be equipped with permanent magnetic iron, the tongue tube quantity on the installing plate is also correspondingly four, after four tongue tubes concatenation with
Wipe pin J1 and the J2 electrical connections of erasing pin.
3. code keypad antiwithdrawal device according to claim 1, it is characterised in that the erasing pin J1 and erasing pin J2
Between be also serially connected with closed type vibroswitch.
4. code keypad antiwithdrawal device according to claim 1, it is characterised in that be additionally provided with delay procedure on the master control borad
Module, the delay time of the delay procedure module is 2 milliseconds -5 milliseconds.
5. code keypad antiwithdrawal device according to claim 1, it is characterised in that the code keypad is fixed by screws in
On installing plate, the screw hole of mutual cooperation is equipped with the code keypad and installing plate.
6. code keypad antiwithdrawal device according to claim 1, it is characterised in that the installing plate is provided with inner chamber and is used to hold
Master control borad is put, the interior intracavitary is additionally provided with the battery for master control borad power supply.
7. code keypad antiwithdrawal device according to claim 1, it is characterised in that the code keypad include key panel and
Backboard, the permanent magnetic iron are arranged on the back side of backboard.
8. code keypad antiwithdrawal device according to claim 1, it is characterised in that the tongue tube is provided with gold plated contact.
9. code keypad antiwithdrawal device according to claim 3, it is characterised in that the vibroswitch is provided with gold plated contact.
10. a kind of financial self-service equipment, it is characterised in that including the anti-dismounting of code keypad described in any one of claim 1 to 9
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720817794.XU CN207068126U (en) | 2017-07-06 | 2017-07-06 | Code keypad antiwithdrawal device and financial self-service equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720817794.XU CN207068126U (en) | 2017-07-06 | 2017-07-06 | Code keypad antiwithdrawal device and financial self-service equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207068126U true CN207068126U (en) | 2018-03-02 |
Family
ID=61507965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720817794.XU Active CN207068126U (en) | 2017-07-06 | 2017-07-06 | Code keypad antiwithdrawal device and financial self-service equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207068126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221073A (en) * | 2017-07-06 | 2017-09-29 | 深圳怡化电脑股份有限公司 | Code keypad antiwithdrawal device and financial self-service equipment |
-
2017
- 2017-07-06 CN CN201720817794.XU patent/CN207068126U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221073A (en) * | 2017-07-06 | 2017-09-29 | 深圳怡化电脑股份有限公司 | Code keypad antiwithdrawal device and financial self-service equipment |
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