CN115584893A

CN115584893A - Electronic cipher safe

Info

Publication number: CN115584893A
Application number: CN202211282318.4A
Authority: CN
Inventors: 常姗; 霍齐道; 许蕴文
Original assignee: Wuxi Institute of Arts and Technology
Current assignee: Wuxi Institute of Arts and Technology
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-01-10

Abstract

The invention discloses an electronic password safe, which relates to the field of locks and comprises a box body with an opening at one side, a box door which is positioned at the opening of the box body and is hinged with the box body, an electromagnetic lock for opening and closing the box door, and the electronic password safe also comprises: the touch screen comprises a fingerprint input module and a digital input module, wherein the fingerprint input module comprises a pressure acquisition module and a fingerprint acquisition module; a database: the method comprises the steps of storing preset fingerprint data A, pressure data A and a digital password A; a processor: setting a comparison method and a modification method; a controller: whether the electromagnetic lock is opened or not is selected according to the correctness of the two password judgment results of the processor, if the password is correct, the electromagnetic lock is opened, the safe box can calculate the password by adopting a specific calculation program according to the fingerprint pressure acquired in real time, and a user can unlock the safe box by inputting the password without specially keeping the pressure interval of the finger.

Description

Electronic cipher safe

Technical Field

The invention relates to the field of locks, in particular to an electronic password safe.

Background

Most of the early safes were mechanical safes. The electronic safe box applies the electronic lock with intelligent control mode such as electronic password, IC card, etc. and is characterized by convenient use, especially in hotel, the password needs to be changed frequently, so the use of the electronic password safe box is more convenient. The electronic password safe box is controlled by a password lock through a circuit board; electronic password safe boxes are developed in recent years, and the development is fast and trend because the passwords can be changed at will and the operation is convenient. However, the electronic password safe is not completely safe, and if someone steals or steals the password of the electronic password safe, the articles in the electronic password safe are likely to be stolen, so that the articles stored in the electronic password safe are dangerous, and the existing single-element password safe still has some problems.

For example, chinese patent application publication No. CN106372481A discloses a fingerprint permutation and combination password, in which fingerprints of the left finger are respectively marked as 1,2,3,4,5 from the thumb to the little finger, and fingerprints of the right finger are marked as 6,7,8,9,0, and these fingerprints are arranged into different combinations to form a fingerprint permutation and combination password. In the scheme, although the difficulty of password cracking is improved through multiple protection of the fingerprint and the fingerprint combined password, the problem that the fingerprint and the fingerprint arrangement are stolen still exists.

Chinese patent application publication No. CN106958403B discloses a fingerprint coded lock, which unlocks by confirming pressure when each fingerprint is correct by presetting a fingerprint pressure interval, but this unlocking method has more success and contingencies when the pressure interval is large, and is more complex when the pressure interval is small, and especially for some people who are not particularly harmonious with each finger, the pressure of the other fingers may change with the pressure change of one finger, and it is difficult to keep a plurality of fingers under a specific pressure condition, and when the pressure of one finger changes, each sensing module is easily subjected to the pressure transmitted by the neighboring finger, and the adjustment of the pressure in practice is further influenced.

Disclosure of Invention

The purpose of the invention is as follows: the invention provides an electronic password safe box, aiming at overcoming the problems in the prior art, the safe box can calculate a password by adopting a specific calculation program according to the fingerprint pressure acquired in real time, a user can unlock the safe box by inputting the password, and the pressure interval of a finger does not need to be specially kept.

In order to solve the problems, the invention adopts the following technical scheme:

the utility model provides an electron password safe, is equipped with the open-ended box including one side, is located box opening part and box articulated chamber door for open and close the electromagnetic lock 4 of chamber door, still include:

a touch screen: the touch screen comprises a fingerprint input module and a digital input module, wherein the fingerprint input module comprises a pressure acquisition module and a fingerprint acquisition module;

a database: the method comprises the steps of storing preset fingerprint data A, pressure data A and a digital password A;

a processor: the method comprises the steps of comparing fingerprint data B extracted by a fingerprint acquisition module with fingerprint data A prestored in a database, comparing and calculating the acquired pressure data B with the pressure data A in the database according to a preset comparison method after the fingerprint data B is the same as the fingerprint data A prestored in the database, generating a specific change method through the comparison method, extracting a preset digital password from the database, changing the preset digital password into a specific digital password B capable of opening an electromagnetic lock in real time, judging whether a password input by a digital input module is the same as the generated dynamic password B or not, and transmitting a judgment result to a controller;

a controller: and selecting whether to open the electromagnetic lock according to the correctness of the two password judgment results of the processor, and opening the electromagnetic lock if the passwords are correct.

Preferably, the fingerprint input module comprises five fingerprint acquisition modules including an index finger, a middle finger, a ring finger, a little finger and a thumb, and the pressure acquisition module is further provided with a tactile feedback device for giving feedback when pressure reaches X.

Preferably, the comparison method is as follows: and comparing the received pressure data B with the pressure data A stored in the database, wherein the comparison result is divided into three types of X, Y and Z, the pressure Z is not sensed, the pressure X is the pressure existing and is smaller than the pressure A, and the pressure Y is the pressure more than or equal to the pressure A.

Preferably, the modification method comprises the following steps: and changing the preset password number according to the X and Y conditions, and rearranging the changed password according to the position and the number of the Z.

Preferably, the touch screen is further provided with a prompt lamp, the color of the lifting lamp is controlled through the controller, if the password is correctly input, the color is displayed in green, and if the password is incorrectly input, the color is displayed in red.

Preferably, the positions of the fingerprint acquisition modules of the five fingers are arranged according to the human body structure, and an anti-peeping protective cover is correspondingly arranged.

Preferably, when the fingerprint data are compared, the processor detects that the number of the fingerprint data is more than or equal to 2 and all the fingerprint data are correct, and then the next step can be carried out.

Preferably, an alarm device is further arranged, and the fingerprint or the password can give an alarm sound when being input continuously and wrongly for a certain number of times in unit time.

Has the advantages that: compared with the prior art, the invention has the following advantages: the pressure of the input fingerprint is compared with the database for calculation, the password changes in real time, even if the fingerprint and a password input at one time are stolen, the password and the fingerprint input mode cannot be combined under the condition of not knowing the calculation mode of the processor, and the acquired pressure is calculated, so that a user does not need to specially enable the finger to reach a corresponding pressure range, the mechanical operation of the user is simplified, calculation is needed during use, but the calculation difficulty can adjust a processing program according to actual needs, and even the simplest processing program can also sufficiently ensure the safety of the safe.

Drawings

FIG. 1 schematically illustrates a functional block diagram of an electronic combination safe device according to a preferred embodiment of the present invention;

FIG. 2 is a flow chart of the processor generating the dynamic password according to the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

touch screen 1: the touch screen 1 comprises a fingerprint input module 11 and a digital input module 12, wherein the fingerprint input module 12 comprises a pressure acquisition module 121 and a fingerprint acquisition module 122;

database 2: the method comprises the steps of storing preset fingerprint data A, pressure data A and a digital password A;

the processor 3: comparing the fingerprint data B extracted by the fingerprint acquisition module 122 with the fingerprint data A prestored in the database, comparing and calculating the acquired pressure data B with the pressure data A in the database according to a preset comparison method 311 after the fingerprint data B extracted by the fingerprint acquisition module is the same as the fingerprint data A prestored in the database, generating a specific change method 312 through the comparison method, extracting a preset digital password from the database, changing the preset digital password into the specific digital password B capable of opening the electromagnetic lock 4 in real time, judging whether the password input by the digital input module 12 is the same as the generated dynamic password B, and transmitting the judgment result to the controller 4;

the controller 4: and selecting whether to open the electromagnetic lock according to the correctness of the two password judgment results of the processor 3, and opening the electromagnetic lock 4 if the passwords are correct.

The fingerprint input modules are preferably five, and comprise five fingerprint acquisition modules 122, namely an index finger, a middle finger, a ring finger, a little finger and a thumb, and the pressure acquisition module 121 is also provided with a tactile feedback device for giving feedback when pressure reaches X.

The comparison method 311 is: and comparing the received pressure data B with the pressure data A stored in the database, wherein the comparison result is divided into three types of X, Y and Z, the pressure Z is not sensed, the pressure X is the pressure existing and is smaller than the pressure A, and the pressure Y is the pressure more than or equal to the pressure A.

The modification method 312 is: and changing the preset password number according to the X and Y conditions, and rearranging the changed password according to the position and the number of the Z.

The touch screen 1 is also provided with a prompt lamp 13, the color of the prompt lamp 13 is controlled by the controller 4, if the password is correctly input, the color is displayed as green, and if the password is incorrectly input, the color is displayed as red.

The positions of the fingerprint acquisition modules of the five fingers are arranged according to the human body structure, and an anti-peeping protective cover is correspondingly arranged.

When the processor 3 compares the fingerprint data, the next step can be carried out when the number of the detected fingerprint data is more than or equal to 2 and all the fingerprint data are correct.

An alarm device 6 is also arranged, and the fingerprint or the password can give an alarm sound when continuously input for a certain number of times in unit time.

In the first embodiment of the present invention, five fingerprint capturing modules are provided, eight-bit passwords 12345678 are preset, the comparison result between the pressure data B and the preset pressure data a in the database is XYXZY when the fingerprint is correct, that is, the pressure generated when the little finger and the middle finger press is greater than or equal to the preset pressure and is fed back, the pressure generated when the ring finger and the big finger press is less than the preset pressure, at this time, the tactile feedback button does not feed back, and the index finger does not press, and a method 312 for temporarily changing the preset password through the pressure comparison result is preset in the processor, in this embodiment, the method 312 is: the little finger, the ring finger, the middle finger, the index finger and the thumb respectively correspond to the first five digits of the preset password in sequence, the pressure result X is that the original data is increased by 1, the pressure result Y is that the original data is reduced by 1, the changed password is 21444678, the number corresponding to the finger which is not pressed is changed with the last three digits in the embodiment, and the changed password is 21467844.

The above embodiment is a simpler implementation, but is sufficient to secure the safe and facilitate the memorization of the processing method 31.

In a second embodiment of the present invention, the preset password is 1234567890, the pressure data B collected in case of correct fingerprint is compared with the preset pressure data a in the database is ZYZXX, that is, the little finger and the middle finger are not pressed, the ring finger is not pressed to the feedback, and the index finger and the big finger are pressed to the feedback, it is understood that one finger can also correspond to a plurality of digits of the password, or one password corresponds to a plurality of digits of the finger, in this embodiment, the change method 312 is that the little finger, the ring finger, the middle finger, the index finger, and the big finger respectively correspond to 12, 34, 56, 78, 90, c of the preset password in sequence, the change 12 is 21,56 is changed to 65, and the exchange of the communication pressure index is added, 12 is changed to 56,56 is changed to 12, further, two exchange modes are combined, 12 is changed to 65,56 is changed to 21, obviously, the above exchange modes are only a specific expression, Y represents that the previous digit is increased by 1, the next digit is decreased by 2, 12 is changed to 65,56, and the result is changed to 2680, and finally, 2680 is not applied to the final result.

In the third embodiment of the present invention, only one fingerprint acquisition module is provided, and the password is 12345678, in this case, since the processor needs to compare the fingerprint data B extracted by the fingerprint acquisition module 122 with the fingerprint data a pre-stored in the database, and a finger needs to be pressed correctly, there is no Z condition, and there are only two conditions of X and Y, where X is to arrange the password in reverse order, to 87654321, and Y is to replace the first four digits and the last four digits of the password, to 56781234.

It can be understood that the above-mentioned changing mode of the preset password is diversified, the arrangement mode is diversified, the change can be made according to the actual situation, the password is changed in real time by comparing the pressure of inputting the fingerprint with the database, the fingerprint and the password of that time are stolen in time, the password and the fingerprint inputting mode can not be combined even under the condition of not knowing the calculating mode of the processor, and the input pressure is calculated, the user does not need to specially make the finger reach the corresponding pressure range, the mechanical operation of the user is simplified, although the calculation is needed when the safe is used, the difficulty of the calculation can be adjusted according to the actual need, and even the simplest processing program can sufficiently ensure the safety of the safe.

The above embodiments are provided to illustrate, reproduce and deduce the technical solutions of the present invention, and to fully describe the technical solutions, the objects and the effects of the present invention, so as to make the public more thoroughly and comprehensively understand the disclosure of the present invention, and not to limit the protection scope of the present invention.

The above examples are not intended to be exhaustive list based on the present invention, and there may be many other embodiments other than those listed. Any alterations and modifications without departing from the spirit of the invention are within the scope of the invention.

Claims

1. The utility model provides an electron password safe, includes that one side is equipped with the open-ended box, is located box opening part and box articulated chamber door for open electromagnetic lock (4) of closing the chamber door, its characterized in that still includes:

touch screen (1): the touch screen (1) comprises a fingerprint input module (11) and a digital input module (12), wherein the fingerprint input module (12) comprises a pressure acquisition module (121) and a fingerprint acquisition module (122);

database (2): the method comprises the steps of storing preset fingerprint data A, pressure data A and a digital password A;

processor (3): comparing fingerprint data B extracted by a fingerprint acquisition module (122) with fingerprint data A prestored in a database, comparing and calculating the acquired pressure data B with the pressure data A in the database according to a preset comparison method (311) after the fingerprint data B is completely the same as the fingerprint data A, generating a specific change method (312) through the comparison method, extracting a preset digital password from the database, changing the preset digital password into the digital password B of a specific openable electromagnetic lock (4) in real time, judging whether the password input by a digital input module (12) is the same as the generated dynamic password B, and transmitting a judgment result to a controller (4);

controller (4): and selecting whether to open the electromagnetic lock according to the correctness of the two password judgment results of the processor (3), and opening the electromagnetic lock (4) if the password is correct.

2. An electronic code safe according to claim 1, characterized in that, the fingerprint input module comprises five fingerprint acquisition modules (122) of index finger, middle finger, ring finger, little finger and thumb, the pressure acquisition module (121) is also provided with a tactile feedback device for giving feedback when the pressure reaches X.

3. An electronic code safe according to claim 1 or 2, characterized in that the comparison method (311) is: and comparing the received pressure data B with the pressure data A stored in the database, wherein the comparison result is divided into X, Y and Z, the pressure is not induced to be Z, the pressure is X when the pressure is less than A, and the pressure is Y when the pressure is more than or equal to A.

4. An electronic code safe according to claim 3, wherein: when the processor (3) compares the fingerprint data, the number of the detected fingerprint data is more than or equal to 2, and the next step is carried out if all the fingerprint data are correct.

5. An electronic password safe according to claim 4, wherein the modification method (312) is: and changing the preset password number according to the X and Y conditions, and rearranging the changed password according to the position and the number of the Z.

6. An electronic code safe according to claim 2 or 5, wherein: an eight-bit password abcedfgh is preset, and the comparison method 311 is as follows: under the condition that all detected fingerprints are correct, each finger pressure data B is compared with pressure data A preset in a database to obtain one of XYZ results, the small finger corresponds to a password a, the ring finger corresponds to a password B, the middle finger corresponds to a password c, the index finger corresponds to a password d, the big finger corresponds to a password e, the pressure result X corresponds to data increasing by q, the pressure result Y corresponds to data decreasing by p, the pressure result Z corresponds to data unchanging, and the digital passwords corresponding to the pressure result Z are sequentially replaced with the position of fgh from left to right.

7. An electronic code safe as claimed in claim 1, wherein: the touch screen (1) is further provided with a prompt lamp (13), the color of the lift lamp (13) is controlled through the controller (4), if the password is correctly input, the color is displayed in green, and if the password is incorrectly input, the color is displayed in red.

8. An electronic code safe according to claim 2, wherein: the positions of the fingerprint acquisition modules of the five fingers are arranged according to the human body structure, and an anti-peeping protective cover is correspondingly arranged.

9. An electronic code safe according to claim 4, wherein: and an alarm device (6) is also arranged, and the fingerprint or the password can give an alarm sound when continuously input for a certain number of times.