CN114582054B - Key feedback method applied to coded lock - Google Patents
Key feedback method applied to coded lock Download PDFInfo
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- CN114582054B CN114582054B CN202210224274.3A CN202210224274A CN114582054B CN 114582054 B CN114582054 B CN 114582054B CN 202210224274 A CN202210224274 A CN 202210224274A CN 114582054 B CN114582054 B CN 114582054B
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- microprocessor
- unlocking
- buzzer
- group
- coded lock
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00817—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the lock can be programmed
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
- G07C2009/0042—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal containing a code which is changed
- G07C2009/00476—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal containing a code which is changed dynamically
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00817—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the lock can be programmed
- G07C2009/00833—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the lock can be programmed by code input from switches
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00857—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the data carrier can be programmed
- G07C2009/00873—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the data carrier can be programmed by code input from the lock
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Lock And Its Accessories (AREA)
- Telephone Function (AREA)
Abstract
The utility model provides a secret key feedback method applied to the trick lock, the microprocessor control buzzer in the tool to lock is sounded and (or) the scintillation of control pilot lamp represents the output of one or a set of digital secret key to this solves the password synchronization problem between trick electronic lock and the unlocking operation personnel (cell-phone APP or applet). The dynamic password can be used as a disposable dynamic password, can also be used as a synchronous signal output of a traditional password lock when the verification code needs to be reset, and is very suitable for being used on the password lock with low cost.
Description
Technical Field
The invention relates to the technical field of electronic locks, in particular to a key feedback method applied to a coded lock.
Background
With the development of electronic technology, electronic locks are applied in a plurality of fields. Among the many electronic lock application schemes, the password authentication mode is widely used as a scheme which has low cost and does not require a user to carry special tools. However, the use of a fixed password is prone to security problems of password leakage. Therefore, in more and more password application occasions, the disposable dynamic password is adopted as an unlocking mode to ensure the use safety of the electronic lock.
However, when the unlocking password obtained by the unlocking operator is inconsistent with the password in the electronic lock (password turbulence phenomenon) by using the dynamic password, the electronic lock needs to have the ability to "synchronize the password" with the unlocking operator. The problem is solved in a way that the electronic lock is required to be provided with a liquid crystal screen, a clock chip, a wireless receiving and transmitting module and other modules for external communication or information comparison, so that the cost of the electronic lock is increased; or the unlocking operators are in the embarrassing situation that passwords must be verified in sequence until the electronic lock is unlocked, so that the using feeling is seriously influenced, and the popularization and the application of the products are not facilitated.
Disclosure of Invention
Based on the above, in order to solve the defects existing in the prior art, a key feedback method applied to a coded lock is specifically provided.
A key feedback method applied to a coded lock, comprising:
the coded lock comprises an input keyboard, a microprocessor, an electronic lock body, a buzzer and/or an indicator lamp, wherein the input keyboard is used for receiving an unlocking code input by an unlocking operator and transmitting the unlocking code to the microprocessor, and the microprocessor judges whether the unlocking code is correct or not through a preset program; if the electronic lock is correct, controlling the electronic lock to execute unlocking action; otherwise, the unlocking action is not executed;
the key feedback method applied to the coded lock is characterized in that a microprocessor on the coded lock controls a buzzer and/or an indicator lamp, and one or a group of digital keys are output through intermittent sound emitted by the buzzer and/or light flashing of the indicator lamp;
the unlocking operator identifies the number or the group of numbers through the flashing of the light of the visual observation indicator lamp and/or the ringing of the voice identification buzzer, and inputs the number or the group of numbers in an APP or a applet in the mobile phone, so as to acquire an unlocking password or a resetting verification code of the coded lock;
or the unlocking operator identifies the number or the group of numbers through operating an APP or a applet in the mobile phone and monitoring by a camera of the mobile phone and/or monitoring by a microphone, so as to acquire the unlocking password or the resetting verification code of the coded lock.
Optionally, when the microprocessor in the coded lock judges once or continuously for many times that the unlocking password input by the unlocking operator is incorrect, or when the microprocessor in the dynamic coded lock receives the key request input by the unlocking operator through the input keyboard or other modes, the microprocessor controls the buzzer and/or the indicator lamp, and the microprocessor completes the output of one or a group of digital keys through the intermittent sound emitted by the buzzer and/or the flashing of the light of the indicator lamp.
Optionally, the microprocessor controls the buzzer and/or the indicator lamp, and represents a binary digit through long and short sounds sent by the buzzer and/or through long and short flashing lights of the indicator lamp, so as to finish the output of the key of one or a group of multi-bit binary digits;
or the microprocessor controls the buzzer and/or the indicator lamp, and the microprocessor completes the output of one or one group of digital keys through the sounding times of a group of different intermittent sounds sent by the buzzer and/or the flashing times of a group of intermittent lights of the indicator lamp.
Optionally, the microprocessor controls the indicator light to represent "1" and "0" or a binary number by different light colors of the indicator light and/or by the long and short blinking lights of the indicator light, and thus forms the output of the key of one or a group of multi-bit binary numbers.
Optionally, the microprocessor controls the buzzer, and the long and short sounds and/or the large and small sound volumes emitted by the buzzer represent "1" and "0", or represent a binary number, and thus form the output of the key of one or a group of multi-bit binary numbers.
Optionally, the microprocessor calculates whether the unlocking password is correct through a preset calculation formula, or the microprocessor compares one or more preset passwords with the unlocking password to judge whether the unlocking password is correct, or the coded lock sends the received unlocking password to a connected management platform, and the platform judges and feeds back the unlocking password to the coded lock.
Optionally, at least one number or a group of numbers pre-stored in the microprocessor is used as a key, or the microprocessor uses one number or a group of numbers obtained by calculating through a preset calculation formula according to the timing of a clock chip in the electronic lock as a key, or the microprocessor uses one new key or a group of new keys obtained by calculating through a preset calculation formula according to a key which is used last time, or the microprocessor provides a new key according to a management platform connected with the new key.
Optionally, after the unlocking person operates the mobile phone APP, the mobile phone APP or the applet obtains the number or the group of numbers, a new unlocking password or a reset verification code of the coded lock is obtained through a preset calculation formula.
Optionally, the coded lock comprises a plurality of indicator lamps; the microprocessor on the coded lock controls the indicator lamps respectively, and outputs one or a group of digital keys through the lamplight flickering of different indicator lamps.
Unlike the prior art, the invention has the beneficial effects that: the microprocessor in the lock is used for controlling the buzzer and/or the indicator lamp, the buzzer sounds, and/or the indicator lamp flashes to represent the output of one or a group of digital keys, so that the problem of cipher synchronization between the electronic cipher lock and unlocking operators (mobile phone APP or small program) is solved. The dynamic password can be used as a disposable dynamic password, can also be used as a synchronous signal output of a traditional password lock when the verification code needs to be reset, and is very suitable for being used on the password lock with low cost.
Drawings
FIG. 1 is a schematic diagram of a system architecture of the present invention;
FIG. 2 is a flow chart of a key feedback method applied to a password lock in embodiment 1 of the present invention;
FIG. 3 is a flow chart of a key feedback method applied to a password lock according to embodiment 2 of the present invention;
fig. 4 is a schematic diagram of a system architecture according to embodiment 3 of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
as shown in fig. 1 and 2, a coded lock comprises an input keyboard, a microprocessor, an electronic lock body, a buzzer and an indicator lamp. The coded lock stores a total of 16 groups of codes from 1 to 16, each group of codes sequentially stores 20 decimal 6-bit random numbers, and 320 different codes are formed together. At this time, the unlocking code of the coded lock is a random number 321078 of the 6 th group and the 10 th bit.
When an unlocking operator needs to unlock, logging in the mobile phone APP of the coded lock; the coded lock APP stores the same coded group and code as the coded lock; when an unlocking operator operates an APP to apply for an unlocking password, the APP displays its own stored 10 th group, 9 th random number 548456 for some reason.
The unlocking operator inputs 548456 on the input keyboard, and the microprocessor judges that the input password is inconsistent with the current unlocking password; the buzzer is controlled to sound 'drop, drop and drop' for a short time and the indicator lamp red light blinks for three times for a short time, so that an error alarm is input; the unlocking operator inputs the password again, or the operation APP applies to the next password, namely the 10 th random number 754361 of the 10 th group; and inputting again, and controlling the buzzer and the indicator lamp to give out an input error alarm after the microprocessor judges that the input error alarm is incorrect.
If the unlocking operator inputs the password for the third time, the microprocessor still judges that the password is input wrong, after the control buzzer and the indicator light send out an input wrong alarm, the microprocessor inquires that the current unlocking password is the 6 th group, the microprocessor intermittently and continuously controls the buzzer to send out short sound 'drop', long sound 'drop', and synchronously controls the indicator light to send out red short flicker, long flicker and long flicker, so that the binary number '0111' is represented, namely the decimal number '7'.
The unlocking operator recognizes the binary number "0111" by sounding the buzzer and visually observing the light flash of the indicator lamp, and inputs the binary number "0111" (or decimal number "7") in a menu in APP, which displays the 7 th group 1 st random number 939871.
The unlocking operator inputs the password 939871, the microprocessor is completely consistent with the random number comparison of the 7 th group and the 1 st position after receiving the password, the microprocessor controls the electronic lock body to execute unlocking action, synchronously controls the buzzer to sound 'drop and drip' and simultaneously indicates that the green light of the lamp is on, and represents that the password lock is successfully opened.
The microprocessor then uses the random number of the 7 th group and the 2 nd bit as the unlocking password of the next time.
It can be appreciated that in this embodiment, the unlocking operator only needs to obtain the unlocking password according to the mobile phone APP, and even when the coded lock determines that the unlocking password is incorrect, the unlocking password can still be updated in time through the feedback information given by the coded lock through the control buzzer and the indicator lamp, so that the unlocking password is ensured to be unlocked. And the password of the coded lock can be changed after being used once, so that the safety of the coded lock in use is greatly improved.
It will be appreciated that in this embodiment, the function of operating the APP on the mobile phone may be implemented by a WeChat applet or other applet, or by other handheld terminal (e.g. PDA, etc.). In this regard, the scope of the present invention should be considered.
It can be understood that in this embodiment, the unlocking passwords are respectively pre-stored in the coded lock and the mobile phone APP, and are respectively controlled by respective programs to be sequentially obtained when in use. In practical application, the unlocking password stored in the coded lock and the mobile phone APP can be stored by a management platform at the rear end, and the coded lock or the mobile phone APP can obtain the current unlocking password by applying for the management platform. Furthermore, even the management platform connected with the coded lock and the management platform connected with the mobile phone APP are two relatively independent management platforms. Similarly, the coded lock can send binary digits outwards by controlling the buzzer to sound or the indicator lamp to flash, or can be binary digits or other digits (such as decimal digits convertible into binary) sent to the coded lock by the management platform. In this regard, the scope of the present invention should be considered.
It can be understood that in this embodiment, random passwords in the coded lock and the mobile phone APP are pre-stored respectively, or the coded lock and the mobile phone APP are operated by the same preset calculation formula and the same "influencing factor" (such as the ID number of the coded lock or the password unlocked last time), or the coded lock is compared with several stored passwords before and after the current unlocking password to see whether the input password is correct, or even after the coded lock obtains the input password, the input password is sent to the management platform, and the management platform judges the input password and returns the correct information of yes/no of the coded lock. The scheme of judging whether the input password is correct by the coded lock is more, and cannot be repeated here, which is that the coded lock is necessarily judged whether the input password is correct by a preset program. In this regard, the scope of the present invention should be considered.
It can be understood that in this embodiment, the binary digits "0111" output by the buzzer and the indicator lamp are controlled by the coded lock, and represent that the 7 th group of 1 st random numbers are started to be started as the codes; in practical application, the output can also be a number which is randomly generated by the coded lock or a management platform connected with the coded lock and is taken as an influence factor, and a new unlocking password of the coded lock can be obtained through calculation of a calculation formula preset by the coded lock and the mobile phone APP or the management platform connected with the mobile phone APP. The number obtained by timing the real-time clock chip on the cipher lock is used as the key, or a new key is obtained by the calculation of a preset calculation formula according to the key which has been used last time. In this regard, the scope of the present invention should be considered.
It can be understood that in this embodiment, the one long ringing of the buzzer and the one long flashing of the indicator light in the coded lock represent the number "1", and the one short ringing of the buzzer and the one short flashing of the indicator light represent the number "0". In practical applications, the number "0" may be represented by a long ringing or a long blinking, and the number "1" may be represented by a short ringing or a short blinking. In this regard, the scope of the present invention should be considered.
It can be understood that in this embodiment, the coded lock includes a buzzer and an indicator light, and the microprocessor controls the buzzer and the indicator light to sound and flash correspondingly; the two are relatively independent. In practical applications, the cost of the coded lock may be considered to be that only a buzzer or an indicator lamp is provided, or the controller may be used to control only the buzzer to sound or only the indicator lamp to flash to complete the output of binary digits in this embodiment from the aspect of saving electric power or other aspects (such as software code simplicity of the coded lock). In addition, the microprocessor can also control the two separately, and the two are combined to send out the key of the binary number, for example, in one scheme, the buzzer sounds to form the front binary number, and then the indicator lights flash to form the rear binary number, so as to form the binary number with four bits together. In this regard, the scope of the present invention should be considered.
It can be understood that in this embodiment, the coded lock controls the buzzer or the indicator lamp to flash to complete the output of a 4-bit binary number; in practical application, the number of times of sounding of the buzzer or the number of times of flashing of the indicator lamp can be increased to realize the output of binary digits with more bits; and the combination of different outputs can be adopted, for example, the first output of 0111 represents the 7 th group, the second output of 0110 represents the random number of the 6 th order, and the combination can be used for representing that the coded lock takes the random number of the 6 th order of the 7 th group as a new unlocking code; it is also necessary to enter "0111", "0110" in the handset to obtain the random number. In this regard, the scope of the present invention should be considered.
It can be appreciated that in this embodiment, the indicator light in the coded lock emits red short flashing, long flashing, and long flashing, so as to represent the binary number "0111". Because of the prior art, one indicator lamp can emit a plurality of different colors, and more meanings can be represented by the different colors of the indicator lamp and the long and short flickering lights; for example, in one scheme, the blue short light of the indicator light represents "00", the blue long light of the indicator light represents "01", the red short light of the indicator light represents "10", and the red long light of the indicator light represents "11"; the combination of the blue long flicker and the red short flicker of the indicator lamp can be used for representing 0111; even if a plurality of different indicator lights can be arranged on one coded lock, the output of the binary digits can be realized by different light combinations of the indicator lights, and even if the output of the multi-bit decimal digits can be realized by the respective flashing times of the indicator lights. It can be understood that the combination modes are more, and they cannot be described in detail herein, but the key point of the present invention is that the combination lock represents a group of digital outputs by controlling the indicator lights to emit different light flash combinations, which should be regarded as the protection scope of the present invention.
It will be appreciated that in this embodiment, the unlocking operator needs to identify the multi-bit binary number by visually observing the flashing light of the indicator light or by audibly identifying the beeping of the buzzer. The method requires unlocking operators to have certain identification capacity and necessary training. In another practical application, the unlocking operator can monitor the camera of the mobile phone or monitor the microphone through the mobile phone APP or the mobile phone applet, so as to replace the identification work of the person, thereby being a more effective operation mode. In this regard, the scope of the present invention should be considered.
It will be appreciated that in this embodiment, the new password that is available is entered in the APP after the key "issued" by the dongle is obtained. In practical application, the new password can be obtained by calculation according to a preset calculation formula in the APP or the management platform after the APP sends the secret key to the management platform. The method of calculating the new unlocking password through the key is more, and is not repeated in this embodiment, but should be regarded as the protection scope of the present invention.
It can be understood that in this embodiment, the unlocking operator should also obtain the corresponding legal authorization during the process of logging in and applying for the password by using the APP or applet; the prior authorization modes are more and are not taken as the protection scope of the invention.
Example 2:
as shown in fig. 1 and 3, a coded lock comprises an input keyboard, a microprocessor, an electronic lock body, a buzzer and an indicator lamp, and the ID of the coded lock is 1001430543. The unlocking operator presses any number key on the input keyboard to trigger the coded lock, the microprocessor of the coded lock controls the buzzer and the indicator lamp, and the long and short sounds emitted by the buzzer and the long and short flashing lights of the indicator lamp represent 0 and 1 to finish the output of the key of a 6-bit binary number, such as 101101.
The unlocking operator identifies the multi-bit binary number by visually observing the light flicker of the indicator lamp and the ringing of the voice identification buzzer, and inputs the number into the APP in the mobile phone, and the APP multiplies the binary number (101101 is converted into decimal 45) by the predicted coded lock ID number (1001430543) and then takes the last 6 digits to display 374435, namely 374435 as a new unlocking password. After the microprocessor obtains the password, whether the unlocking password is correct or not is calculated through the same calculation formula. If the electronic lock is correct, the microprocessor controls the electronic lock to execute unlocking action; otherwise, the unlocking action is not executed.
It can be appreciated that in this embodiment, the unlocking operator does not need to input the password in advance, but only needs to control the buzzer and the indicator lamp by the microprocessor before the unlocking operator prepares to unlock the coded lock, so that the unlocking operator can learn the key of the coded lock at the moment, and then can learn the unlocking password of the coded lock by the mobile phone APP or the applet. The method can ensure that the unlocking operator can unlock successfully for the first time.
It will be appreciated that in this embodiment, the microprocessor controls the buzzer and the indicator light to output the secret key; the microprocessor may control the buzzer and/or the indicator light to repeat the output of the key all the time, or may start to control the output of the buzzer and/or the indicator light after receiving a key request or a key update request from an unlocking operator to an input keyboard of the coded lock or other input modes (such as resetting a key, triggering a key, etc.). In this regard, the scope of the present invention should be considered.
Example 3:
as shown in fig. 4, this embodiment is different from embodiment 2 in that the combination lock includes 2 indicator lamps; the unlocking operator presses any number key on the input keyboard to trigger the coded lock, the microprocessor of the coded lock controls the buzzer and the indicator lamps, and the digital key is output through the intermittent ringing times of the buzzer and the respective flashing times of the 2 indicator lamps.
When the coded lock needs to output decimal number 45 (same as binary number 101101), the first indicator lamp is controlled to flash for 4 times (without long and short flashes), and the second indicator lamp is controlled to flash for 5 times; and the buzzer can be controlled to synchronously sound along with the flashing of the indicator lights (the way can be adopted when the two indicator lights do not flash at the same time).
It can be appreciated that in this embodiment, by controlling the plurality of indicator lamps, it is easier to output the corresponding digital key, which is more beneficial to practical application. Of course, it will be appreciated that there are many different ways of implementing the control and light output of the plurality of indicator lights, but the final purpose is to output the digital key by means of flashing light. In this regard, the scope of the present invention should be considered.
Example 4:
the difference between this embodiment and the previous embodiment is that the unlocking code of the coded lock is fixed, and the unlocking is usually performed by the unlocking operator inputting the fixed unlocking code.
However, when the unlocking operator forgets the fixed unlocking password, a new unlocking password needs to be reset at the moment; the output of one or a group of digital keys may be represented by a microprocessor of the combination lock controlling the sounding of a buzzer or the flashing of an indicator light like in the previous embodiments; the unlocking operator can obtain the reset verification code through the APP or the WeChat applet, and can reset the new unlocking password of the coded lock after the reset verification code is input on the coded lock and the verification of the coded lock is successful.
It can be appreciated that in this embodiment, in the application scenario of the fixed password, when the unlocking operator forgets the fixed unlocking password, the password can be reset only by implementing the scheme. The convenience of normal use is guaranteed, and the problem of password resetting can be solved through an effective and controllable means when the password is forgotten. Compared with the mode that some coded locks are required to reset by means of reset keys, the structural design of the reset keys is reduced, the resetting behavior of the coded locks is controllable and manageable, and the practical application value of the coded lock is greatly improved.
The foregoing examples merely illustrate embodiments of the invention and are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it is possible for those skilled in the art to make several construction methods and improvements without departing from the concept of the present invention, and it is considered to be the scope of the present invention.
Claims (8)
1. A key feedback method applied to a coded lock is characterized in that: the coded lock comprises an input keyboard, a microprocessor, an electronic lock body, a buzzer and/or an indicator lamp, wherein the input keyboard is used for receiving an unlocking code input by an unlocking operator and transmitting the unlocking code to the microprocessor, and the microprocessor judges whether the unlocking code is correct or not through a preset program; if the electronic lock is correct, controlling the electronic lock to execute unlocking action; otherwise, the unlocking action is not executed; the key feedback method applied to the coded lock is characterized in that a microprocessor on the coded lock controls a buzzer and/or an indicator lamp, and one or a group of digital keys are output by actively emitting intermittent sound through the buzzer and/or by flashing light of the indicator lamp; or when the microprocessor in the dynamic coded lock receives a key request input by an unlocking operator through an input keyboard or other modes; or when the microprocessor in the coded lock judges that the unlocking code input by the unlocking operator is incorrect once or continuously for many times; the microprocessor controls the buzzer and/or the indicator lamp, and one or a group of digital keys are output through intermittent sound emitted by the buzzer and/or through lamplight flickering of the indicator lamp; the unlocking operator identifies the number or the group of numbers through the flashing of the light of the visual observation indicator lamp and/or the ringing of the voice identification buzzer, and inputs the number or the group of numbers in an APP or a applet in the mobile phone, so as to acquire an unlocking password or a resetting verification code of the coded lock; or the unlocking operator identifies the number or the group of numbers through operating an APP or a applet in the mobile phone and monitoring by a camera of the mobile phone and/or monitoring by a microphone, so as to acquire the unlocking password or the resetting verification code of the coded lock.
2. The key feedback method applied to the coded lock according to claim 1, wherein the microprocessor on the coded lock controls the buzzer and/or the indicator lamp, and the output of one or a group of digital keys is completed through intermittent sound emitted by the buzzer and/or the flashing of light of the indicator lamp; refers to: the microprocessor controls the buzzer and/or the indicator lamp, and represents a binary digit through long and short sounds emitted by the buzzer and/or through long and short flickering lights of the indicator lamp, so as to finish the output of a secret key of one or a group of multi-bit binary digits; or the microprocessor controls the buzzer and/or the indicator lamp, and the microprocessor completes the output of one or one group of digital keys through the sounding times of a group of different intermittent sounds sent by the buzzer and/or the flashing times of a group of intermittent lights of the indicator lamp.
3. The key feedback method applied to the coded lock according to claim 2, wherein the microprocessor controls the indicator light to represent a binary number by the long and short blinking lights of the indicator light, and the key output of one or a group of multi-bit binary numbers is completed; refers to: the microprocessor controls the indicator lamp, and (or) the indicator lamp is used for flashing light to represent 1 and 0 or represent a binary digit, and the key output of one or a group of multi-bit binary digits is formed by the different light colors of the indicator lamp.
4. The key feedback method applied to the coded lock according to claim 2, wherein the microprocessor controls the buzzer and/or the indicator lamp to complete the output of one or a group of digital keys through the ringing times of a group of different intermittent sounds emitted by the buzzer; refers to: the microprocessor controls the buzzer, and the long and short sounds and/or the large and small sound volumes emitted by the buzzer represent '1' and '0', or represent a binary digit, and thus form the output of the key of one or a group of multi-bit binary digits.
5. The key feedback method for a combination lock according to any of claims 1 to 2, wherein the microprocessor determines whether the unlocking password is correct through a preset program, that is, whether the unlocking password is correct through a preset calculation formula, whether the unlocking password is correct through comparison between one or more preset passwords and the unlocking password by the microprocessor, or whether the unlocking password is correct is determined by the microprocessor, or whether the received unlocking password is sent to a management platform connected with the unlocking password by the combination lock, and is fed back to the combination lock after the platform determines.
6. The key feedback method applied to a combination lock according to any of claims 1 to 2, wherein the one or a set of digital keys refers to at least one or a set of numbers pre-stored in the microprocessor as a key, or one or a set of numbers obtained by the microprocessor according to a preset calculation formula according to the timing of a clock chip in the electronic lock, or one or a set of new keys obtained by the microprocessor according to a preset calculation formula according to a key that has been used last time, or a new key provided by the microprocessor according to a management platform connected with the new keys.
7. The key feedback method applied to a combination lock according to any of claims 1 to 2, wherein an unlocking operator inputs the number or the group of numbers in an APP or applet in a mobile phone, thereby obtaining an unlocking password or a reset verification code of the combination lock; or the unlocking operator identifies the number or the group of numbers through operating an APP or a applet in the mobile phone, so as to acquire an unlocking password or a reset verification code of the password; the method is that the unlocking personnel operates a mobile phone APP, and after the mobile phone APP or the applet obtains the number or the group of numbers, a new unlocking password or a resetting verification code of the coded lock is obtained through the operation of a preset calculation formula.
8. The key feedback method applied to the coded lock according to any of claims 1 to 2, wherein the coded lock comprises an indicator light, and further comprising a plurality of indicator lights; the microprocessor on the coded lock controls the indicator lamp, and one or a group of digital keys are output through the lamplight flicker of the indicator lamp; the microprocessor on the coded lock controls the indicator lamps respectively, and outputs one or a group of digital keys through the flashing of the lamp lights of different indicator lamps.
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