CN217151571U

CN217151571U - Adjustable coded lock

Info

Publication number: CN217151571U
Application number: CN202120257266.XU
Authority: CN
Inventors: 吴东霖
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2022-08-09
Anticipated expiration: 2031-01-29

Abstract

The utility model provides a trick lock with adjustable belongs to encryption lock technical field. An adjustable coded lock is characterized in that: the device comprises a signal acquisition module, a data program control module and a limiting module; the signal acquisition module comprises a control end information acquisition unit, a control end decoder, a detection end information acquisition unit and a detection end decoder, wherein the control end information acquisition unit is connected with the control end decoder; the data program control module comprises an assembly unit connected with the decoder and a storage unit connected with the assembly unit; the assembly unit is connected with the monitoring unit, the early warning unit is connected with the monitoring unit and the assembly unit, the power supply is connected with the early warning unit, and the assembly unit 3 and the early warning unit 7 are integrated and designed by an exclusive OR gate circuit. Aiming at the existing coded lock products, the product cost and the manufacturing technical difficulty are effectively reduced on the premise of convenient maintenance. Trial exploration is conducted for popularization of household intelligence and improvement of a large-scale integrated circuit self-checking platform.

Description

Adjustable coded lock

Technical Field

The utility model relates to an encryption lock technical field, concretely relates to trick lock with adjustable.

Background

Lock, earliest source door pin. The method is a setting structure which is in a limited state and needs a specific decryption tool or a decryption process to remove the limitation.

In order to prevent the invasion of beasts and protect objects, the original human lives in the cave, the cave is blocked by heavy stones. This is said to be the earliest, most straightforward behavior-limiting unit.

In order to protect valuable property, people often fasten with a delicate and secure knot, and design a dog named to untie the knot. In a broad sense, the "knot" can be said to be the earliest lock in ancient China, and "" can be said to be the earliest key in ancient China. For example, publication No. CN201203996Y, is a design of a rope buckle on a mailbag; publication number CN104963999B is an application of the rope knot principle in the field of flexible materials.

According to the progress of the technical idea, the lock is improved in the aspects of variety, application, operation mechanism and design idea.

With the evolution of materials and the development of tools, the variety and function of the lock units are gradually increased and improved. In the Chinese Yangshao cultural site of 2113 + 3000 years before the Yuan, a lock structure design installed on a wood structure frame building is reserved. Mainly adopts a mechanical rod principle to be derived and developed. At present, mechanical locks are mainly classified into padlocks, cylinder door locks, mortise door locks, spherical door locks, colored locks and the like. As disclosed in publication No.: CN104775697A is a derived scheme of spring three-prevention lock for manhole cover, which is designed by using the traditional metal rod spring principle.

The electronic coded lock mainly comprises an electric control lock, an electronic lock, a secret key and the like, and is a data comparison principle for identifying and processing specific data signals. Aiming at the factors of simple structure, low confidentiality, low copying cost, low safety and the like of the electronic password. As disclosed in publication No.: the electronic combination lock of CN103670043B only includes a lock body and a lock cap locked with the lock body. Simple structure, the security is low, and it is long-consuming to change the password, is not suitable for the variability demand of society. Certain technical improvement schemes are made for the coded lock.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that logic circuit encrypts, to prior art's not enough, provides a trick lock with adjustable.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

an adjustable coded lock is characterized in that: the device comprises a signal acquisition module, a data program control module, a feedback module and a limiting module; the signal acquisition module comprisesControl end dataAn information acquisition unit,Detecting end dataInformation acquisition unit andcontrol end dataInformation acquisition unit anddetecting end dataThe information acquisition units are connected with the decoder; the data program control module comprises an assembly unit connected with the decoder and a storage unit connected with the assembly unit; the feedback module comprises a monitoring unit connected with the assembling unit, an early warning unit connected with the monitoring unit and a power supply connected with the early warning unit; the limiting module comprises a driving motor connected with the early warning unit and a locking unit connected with the driving motor.

The above-mentionedControl end dataIn the information acquisition unit, the control end is an external data portDetecting end dataIn the information acquisition unit, the detection end is an external digital keyboard.

The decoder identifies and decodes the command of the preset data signal.

In the data information acquisition unit, a data signal of a control end has writing and modifying authority; and the data signal of the detection end is used as read-only data to carry out decoding processing.

And the assembly unit automatically sends out a locking instruction when an unrecognizable and invalid instruction occurs or the feedback unit detects data abnormality.

The related processing flow of the locking instruction is that the assembly unit or the feedback module sends out a related instruction; when the locking instruction is executed, the processing flow of the locking instruction has the characteristics of highest priority and incapability of terminating revocation.

When the limiting module receives a locking instruction, the locking unit enters a self-destruction structure to be locked.

When the driving motor is in standby, the locking unit is in a closed state by default, and the effective time for the driving motor to open the locking unit is 20 seconds when the driving motor receives an execution instruction every time.

Compared with the prior art, the beneficial effects of the utility model are as follows:

and decoding the data at the detection end, namely, combining the electronic card with the card swiping. The safety is improved while the rapidness is ensured. The two sets of data input ports have different physical and hardware authorities; the cracking of the password and the embezzlement of the data are avoided. The locking mechanism is added, so that the lock has the characteristic of self-protection when the lock faces extreme conditions.

And establishing a one-way double-control switch to process the single digital/analog signal. The output port of the control end is A, the output port of the detection end is B, and the output values of the plurality of unidirectional double-control switches are used as state instructions and are connected in series on the driving mechanism. And forming a minimum processing unit and establishing a modular circuit unit. The identity-or logic circuit is used for identifying the module with high stability; the assembly unit is simplified by using an exclusive-nor logic circuit F = AOB = A: B + A 'B' and an and logic circuit Y = AB. The identification points of the large-capacity signals can be compared one by one, and whether the identification points are consistent with the recorded signal passwords or not can be checked.

The purpose of digital encryption is achieved. Due to the adoption of signal encryption, the data interaction stability from the circuit to the execution unit is poor. The transmission process is susceptible to other factors. So that the locking of the locking unit is increased. Therefore, the original functions of the locking effect failure and loss caused by various uncertain factors are guaranteed.

Drawings

FIG. 1: the structure of embodiment 1 of the utility model is schematically shown;

FIG. 2: the structure of embodiment 2 of the utility model is schematically shown;

FIG. 3: the circuit structure is a deduction schematic diagram of an exclusive nor logic circuit;

FIG. 4: a truth table of an exclusive-nor logic circuit;

FIG. 5: a schematic diagram of the layout of the assembly unit in example 1 is shown.

Detailed Description

For a better understanding of the present invention, the contents of the present invention will be further clarified below by referring to examples, but the present invention is not limited to the following examples. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details.

Example 1

As shown in fig. 1, the present embodiment provides an adjustable combination lock, which is characterized in that: the device comprises a signal acquisition module, a data program control module, a feedback module and a limiting module; the signal acquisition module comprisesControl terminal 11A data information acquisition unit,Detection of Measuring terminal 12Data information acquisition unit and methodControl terminal 11Data information acquisition unit anddetection terminal 12The data information acquisition units are connected with the decoder 2; the data program control module comprises an assembly unit 3 connected with the decoder 2 and a storage unit 4 connected with the assembly unit 3; the feedback module comprises a monitoring unit 5 connected with the assembling unit 3, an early warning unit 6 connected with the monitoring unit 5, and a power supply 7 connected with the early warning unit 6; the limiting module comprises a driving motor 8 connected with the early warning unit 6 and a locking unit 9 connected with the driving motor 8.

The above-mentionedControl terminal 11In the data information acquisition unit, the control terminal 11 is an external data port, the data information acquisition unit comprises a data acquisition unit, a data acquisition unit and a data acquisition unitDetection terminal 12In the data information acquisition unit, the detection terminal 12 is an external numeric keyboard.

The decoder 2 recognizes and decodes a command of a preset data signal.

In the data information acquisition unit, a data signal of a control terminal 11 has writing and modifying authority; the data signal of the detection terminal 12 is decoded as read-only data.

And when the assembly unit 3 has an unidentifiable and invalid instruction or the feedback unit detects data abnormity, a locking instruction is automatically sent out.

The related processing flow of the locking instruction is that the assembly unit 3 or the feedback module sends out a related instruction; when the locking instruction is executed, the processing flow of the locking instruction has the characteristics of highest priority and incapability of terminating revocation.

When the limiting module receives a locking instruction, the locking unit 9 enters a self-destruction structure to be locked.

When the driving motor 8 is in standby, the locking unit 9 is in a closed state by default, and the effective time for the driving motor 8 to open the locking unit 9 is 20 seconds each time an execution instruction is received.

The compiling unit 3 and the early warning unit 7 are designed by integrating an exclusive-nor gate circuit, as shown in fig. 5.

The storage unit 4 adopts a memory particle board as a storage medium.

The monitoring unit 5 comprises a counter 51 and an electronic clock 52.

The locking unit 9 is a lock body structure capable of automatically closing.

The counter 51 checks the error times of the input data of the detection terminal 12, and sends an abnormal data instruction to the assembly unit 3 and the early warning unit 7 when the continuous error times within 10 minutes are met.

After the lock instruction is executed, the early warning unit 7 cuts off power supply to the assembly unit 3, and meanwhile, a countdown mode with set time is entered. When the electronic clock 52 is digitally reset to zero, the power supply 6 is restored.

The signal acquisition module is connected with the assembly unit 3 through the decoder 2; and the assembling unit 3 controls the locking unit 9 by driving the motor 8. The memory unit 4 is connected to the assembly unit 3. The monitoring unit 5 is connected with the assembling unit 3 and the early warning unit 7. The power supply 6 is connected with the early warning unit 7, and the early warning unit 7 is respectively connected with the monitoring unit 5, the assembling unit 3 and the driving motor 8.

The control terminal 11 records the instruction code in advance and stores the instruction code in the storage module. In use, the decoder 2 receives and decodes data recognizable by the detection terminal 12. To the assembly unit 3. In the assembly unit 3, the signal input command in the detection terminal 12 is compared with the data pre-stored in the storage module. The logic circuit of the exclusive OR gate is executed, and all 0 or all 1 can output 1. F = AOB = a: B + a ', B'. And gate logic has 0 out 0, all 1 out 1Y = AB. When all the circuits are shown as high frequency signals. The data input from the detection terminal 12 is identical to the data input from the control terminal 11, and an open command is sent. When the password needs to be changed, only the command code preset in the control terminal 11 needs to be adjusted, and the change can be completed.

When the assembly unit 3 detects that an unrecognizable and invalid instruction occurs or the monitoring unit 5 in the feedback module detects abnormal data, information is sent to the assembly unit 3 and the early warning unit 7. And warning. Other losses caused by behaviors such as intentional cracking or forced opening can be effectively avoided. The drive motor 8 releases the restriction of the locking unit 9 after 2-3 seconds of normal activation. The driving motor 8 is ensured not to be started blindly when the error information is identified.

Example 2

As shown in fig. 2, the present embodiment provides an adjustable combination lock, which is an improvement on the basis of the embodiment:

the decoder 2 is a conversion (D/a conversion) of a digital signal into an analog signal.

The assembly unit 3 is a PLC program control board.

The monitoring unit 5 further includes an indicator 53 and a buzzer 54.

The stored command code is input from the control terminal 11. And when the system is called out, screening is carried out according to time, times and grades. And copying the instructions meeting the conditions and comparing the instructions at the input end one by one. When the comparison is correct, the comparison record is backed up in the storage module, an execution instruction is sent, and the indicator light 53 is green. When the contrast is wrong, an error code is reported, the red indicator lamp 53 is turned on, and the buzzer 54 gives an alarm.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable coded lock is characterized in that: the device comprises a signal acquisition module, a data program control module and a limiting module;

the signal acquisition module comprises a control end data information acquisition unit, a detection end data information acquisition unit and a decoder which is connected with the control end data information acquisition unit and the detection end data information acquisition unit;

the data program control module comprises an assembly unit connected with the decoder and a storage unit connected with the assembly unit; the feedback module comprises a monitoring unit connected with the assembling unit, an early warning unit connected with the monitoring unit and a power supply connected with the early warning unit;

the limiting module comprises a driving motor connected with the early warning unit and a locking unit connected with the driving motor, and the assembling unit and the early warning unit are designed in an integrated mode through an exclusive-nor circuit.

2. The adjustable combination lock of claim 1, wherein: in the control end data information acquisition unit, the control end is an external data port, and in the detection end data information acquisition unit, the detection end is an external digital keyboard.

3. The adjustable combination lock of claim 1, wherein: the decoder identifies and decodes the instruction of the preset data signal.

4. The adjustable combination lock of claim 1, wherein: when the driving motor is in standby, the locking unit is in a closed state by default, and the effective time for the driving motor to open the locking unit is 20 seconds when the driving motor receives an execution instruction every time.