WO2013102400A1

WO2013102400A1 - Mechanical combination lock with electronic input

Info

Publication number: WO2013102400A1
Application number: PCT/CN2012/086918
Authority: WO
Inventors: 谭智远
Original assignee: Tan Zhiyuan
Priority date: 2012-01-05
Filing date: 2012-12-19
Publication date: 2013-07-11
Also published as: CN102758568B; CN102758568A

Abstract

A mechanical combination lock with electronic input is formed by connecting an electronic combination system to a mechanical combination system. The electronic combination system comprises an electronic input device, a control circuit, a drive circuit, a motor (6), and a power supply (5) that are connected in sequence. The mechanical combination system comprises a motor shaft gear (8), a transmission gear (12), a combination member, a limiting and connecting member, a knob (17), a knob shaft (20), and an unlocking device (15). Output of the electronic input device is connected to the control circuit. Output of the control circuit is connected to the drive circuit. Output of the drive circuit is connected to the motor (6). The motor shaft gear (8) is connected to a motor output shaft (9), and the motor shaft gear (8) is connected to and drives the combination member through the transmission gear (12); or, the combination member is directly mounted on the motor output shaft (9), and the limiting and connecting member has one end flexibly connected to the unlocking device (15) and the other end gap-fits the combination member. The knob shaft (20), the knob (17), the unlocking device (15) are components for connecting and fixing. The mechanical combination lock with electronic input has advantages of both a mechanical combination lock and an electronic combination lock, and is convenient, secure, reliable, abundant in combinations, and high in security level.

Description

Electronic input mechanical code lock

Technical field:

The invention relates to the technical field of hardware machinery, in particular to an electronic input mechanical code lock. Background technique:

The mechanical code lock is safe but inconvenient. The electronic code lock is convenient but not safe and reliable. At present, the market lacks a convenient, safe and reliable lock that combines the advantages of both the mechanical code lock and the electronic code lock. Summary of the invention:

The technical problem to be solved by the present invention is to solve the above problems in the prior art, and to provide an electronic input type mechanical code lock which has the advantages of both mechanical code lock and electronic code lock, and is convenient, safe and reliable.

The technical solution adopted by the present invention is: The electronic input mechanical code lock is composed of two parts: an electronic cryptosystem and a mechanical cryptosystem, and the electronic cryptosystem includes electronic input devices, control circuits, drive circuits, motors and power supplies connected in sequence. The mechanical cryptosystem includes a motor shaft gear, a transmission gear, a cryptographic member, a limit connecting piece, a twist, a twisting shaft, an unlocking device; an electronic input device output connection control circuit, a control circuit output connection driving circuit, a driving circuit output connecting motor The motor shaft end is fixed with a motor shaft gear; the motor shaft gear is connected to the transmission code piece through the transmission gear, or the code piece is directly mounted on the motor shaft; the limit connection piece is movably connected to the unlocking device at one end, and the other end of the limit connection piece is separated from the cipher element In cooperation, the twisting shaft, the twisting, and the unlocking device are connected to the fixing component.

In the above technical solution, the electronic input device comprises a password input button, a reset button and a connection thereof, or a password input button, a reset button, a keyboard circuit and a connection line thereof.

In the above technical solution, the control circuit comprises a programmable processing chip and a peripheral circuit thereof. In the above technical solution, the driving circuit includes a power amplifying chip and a peripheral circuit thereof, or Motor dedicated drive chip and its peripheral circuits.

In the above technical solution, the password component uses a password disk with a password slot, or a password column with a password hole, or a special-shaped structural member with a password point.

In the above technical solution, the limiting connecting member adopts a sliding piece or a movable pin, or a limit transmission mechanical structural member.

In the above technical solution, the motor is a stepping motor or a servo motor.

In the above technical solution, the transmission gear and the motor shaft gear can be separated or meshed, and when the separation is performed, the setting password is changed.

In the above technical solution, the electronic input device is a key input device or a voice input device, a remote control input device, a fingerprint information input device, or an IC card input device; or a combination of the above devices.

In the above technical solution, a manual driving device is added in the mechanical cryptosystem; when selected, the cryptographic component is connected, and the manual driving device is connected to the driving cipher; the manual driving device adopts a manual gear, and the cipher is a cryptographic disk.

Advantages:

1. Enter the password with the electronic input device, making unlocking and electronic password lock as easy;

2. The mechanical structure is used to form a cryptosystem to make the password highly secure;

3. Install the manual password operating system, so that the lock can still be opened and the safety performance is not reduced when the power is off;

4. The manual password operating system uses an independent password. If you forget the key password, you can still open the lock manually.

5, the amount of key passwords and manual passwords can be designed and manufactured according to needs, not capped; 6. The key password and manual password can be modified independently.

7, can be used with multiple locks, at this time the password is multiplied by the total number of passwords per lock, the amount of password is very large, anti-theft level is high.

Technical features:

1. The full lock head comprises at least two or more buttons, one or more programmable processing chips, one or more drive chips, or one or more sets of motor drive components, one or more devices can be The program completes the precise movement of the motor, the power supply, one or more sets of cryptosystems, each set of cryptosystems comprising at least one or more cryptographic components capable of rotational, linear motion or rotational advancement movement, the cryptographic components being driven by the motor, The cryptographic member is slotted, or notched, or apertured, or shaped to form cryptographic information. There is also one or more cipher plugs that are directly or indirectly connected to the unlocking mechanism or the unlocking drive mechanism, can restrict the movement of the unlocking mechanism or the unlocking drive mechanism, or allow movement selection. When the position is accurate, it can cooperate with the cryptographic component. The slot, or notch, or hole, or profiled member allows for cryptographic plug-in motion. When the cryptographic component is in the wrong position, the slot, or notch, or hole, or profiled member of the cryptographic member will prevent the movement of the cryptographic plug-in and will prevent the unlocking mechanism from acting.

2. Connect the gear on the cryptographic component. The gear and the gear on the motor shaft or the gear driven by the motor shaft can be combined, and the password can be modified by the combination of the two gears.

3. Add a set of manual gears to ensure manual operation when the electronic system fails or forget the electronic key password. The password for manual can be another set of passwords, and both are mechanical passwords.

4. The gears on the manual gear and the cryptographic component can be combined to modify the password of the manual mechanical operation by means of splitting.

5. Use the program settings to let the control system record the data of the motor forward, and use this data as the reset root. According to the press of the reset button, the control system controls the motor to return the same value to reset the system.

6. Set the mechanical barrier to determine the reset point.

7. Use the Hall element to detect the reset point to form a reset position signal.

8. Use the photoelectric element to detect the reset point to form a reset position signal.

BRIEF DESCRIPTION OF THE DRAWINGS:

1 is a block diagram showing the structure of Embodiment 1 of the present invention;

2 is a block diagram showing the structure of Embodiment 2 of the present invention;

Figure 3 is a schematic view of the overall structure of the present invention;

4 is a schematic structural view of a mechanical cryptographic system of the present invention;

Figure 5 is a top view of the state of use of the mechanical cryptographic system of the present invention (1);

Figure 6 is a top view of the state of use of the mechanical cryptographic system of the present invention (2);

Figure 7 is a schematic structural view of Embodiment 1 of the mechanical cryptosystem of the present invention;

Figure 8 is a schematic view showing the structure of the cryptogram in Figure 7;

Figure 9 is a top plan view of the mechanical code adjustable structure embodiment 1 of the present invention;

Figure 10 is a view showing the state of use of Figure 9;

Figure 11 is a plan view showing an embodiment 2 of the mechanical password adjustable structure of the present invention;

Figure 12 is a view showing the state of use of Figure 11;

Figure 13 is a schematic view of the mechanical blocking reset mechanism of the motor of the present invention;

Figure 14 is a schematic view showing the electromagnetic control reset mechanism of the motor of the present invention;

Figure 15 is a schematic view of the photoelectric control reset mechanism of the motor of the present invention.

detailed description:

Referring to Figure 1, Figure 2, the lock is controlled by the electronic input device, control circuit, and drive of the electronic cryptosystem. The utility model comprises a moving circuit, a motor, a power supply and a mechanical cryptosystem. When the electronic input device adopts the button device, at least a password input button, a connection line for resetting and connecting the button are included, and the connection line is directly or indirectly connected to the input port of the control circuit. The control circuit includes at least one programmable processing chip and basic components required for the normal operation of the chip, processes signals input by the electronic input device circuit and other systems, and forms a control signal to be supplied to the driving circuit, and the control circuit is directly or indirectly connected to the power source. The output port is connected to the input end of the driving circuit, and the driving circuit comprises at least one chip or a set of components capable of outputting a power signal, converting the signal outputted by the control system into a driving signal of the motor, the output end is connected to the motor, and the motor is connected to the mechanical cryptosystem. The motor is a motor that can precisely control the movement, such as a stepper motor or a servo motor. It includes at least one motor, and the motor motion will drive the mechanical password system to operate.

The difference between Fig. 2 and Fig. 1 is as follows: Fig. 2 has a detection system, and the detection signal of the mechanical cryptosystem is connected to the control circuit.

Referring to Fig. 3, Fig. 4, Fig. 5, Fig. 6, 1 and 2, the button system is composed of 3x4 arranged buttons and 7 output connecting lines, which are connected to the programmable processing chip 3, and 0-9 is a password input. Key, # is the reset button, the programmable processing chip 3 constitutes the core of the control system B, is connected to the external power supply 5, the output end portion thereof is connected to the input end of the driving chip 4, the driving chip 4 is also connected to the power source 5, and the driving chip 4 is composed The drive system has an output connected to the motor 6, a motor 6 as a stepper motor, connected to the base plate 7, and a motor shaft 9 connected to the motor shaft gear 8, the gear 8 being part of the cryptosystem; Figures 3, 4, 5 8, 10-20 of 6, constitute a mechanical cryptosystem, including gear 8, PIN pad 10, shaft 11, gear 12, fixed frame 13, sliding plate 14, unlocking device 15, cam 16, knob 17, shaft 20, etc. For a full mechanical structure. The conventional gear 12 and the motor shaft gear 8 are in meshing relationship, and the code disk 10 and the transmission gear 12 are connected and rotated at the same time, and are all sleeved on the shaft 11, the code disk 10 and the transmission gear 12 Can be combined into a gear with password information, as shown in Figure 5, 6. If the password is not required to be adjusted, the gear 8, the gear 12 and the dial 10 can be combined into one, and the shaft 9 and the shaft 11 are also combined into one. The sliding piece 14 is slidable on the fixing frame 13, and the unlocking head 15 is connected with the shaft 20. At the same time, the knob 17 is also connected with the shaft 20. When the knob 17 is rotated, the opening 15 is rotated by the shaft 20, and the unlocking head 15 will be connected to the external locking actuator. The cam 16 is connected to the shaft 20, and the password disk 10 is provided with a password slot 18, and the fixing frame 13 is provided with a hole 19 through which the sliding piece 14 can slide. 8, 10-20 are directly or indirectly connected to the fixed plate 7. The above-mentioned programmable processing chip 3 model is STC89C53, and the driving chip 4 model is ULN2003 or A3977. Unlocking: The password is input through the buttons 0-9, and the programmable processing chip 3 processes the key input signal into a driving signal containing the password information according to the program, so that The password value corresponds to the number of steps of the final stepping motor, and the processed signal is transmitted to the driving chip 4. The driving chip 4 outputs a driving signal to the motor 6, and the motor 6 operates at a corresponding angle, and drives the gear 8 to rotate the corresponding angle through the motor shaft 9. The gear 8 drives the dial 10 to rotate. If the input password is correct, the dial will rotate in the position shown in FIG. 6. Turn the knob 17, the cam 16 will rotate, and push the slide 14 to move into the password slot 18 in the password disc. As shown in Fig. 6, the rotation of the knob 17 will drive the unlocking head 15 to rotate, and the unlocking operation is completed. If the password is incorrect, the password slot 18 will be in other positions, the movement of the slider 14 is limited, causing the knob 17 to be unable to rotate, the unlocking device 15 cannot be rotated, and the lock cannot be opened.

Reset: When inputting the unlock code, the control chip 3 will record the number of steps or angle of the motor according to the program. Press the reset button, the control chip 3 will output the signal through the drive chip 4 to make the stepper motor rotate the same step or angle, the system completes the reset. .

Referring to FIG. 7 and FIG. 8, the motor adopts a linear stepping motor. The code column 22 is connected to the motor shaft 21 and moves with the motor shaft 21. The code column 22 is provided with a password hole 24, and the movable pin 23 is externally connected to the unlocking actuator. The pin 23 will be able to move to the peg 22 when unrestricted. Unlocking: Enter the password, through the control circuit, drive circuit, linear stepper motor 6 to get the signal and move the corresponding distance. If the input password is correct, the code column will just move to the position of the password hole 24 and the movable pin 23, turn the unlock knob The activity pin 23 will not be blocked from being inserted into the password hole 24 of the cryptogram 22, and the lock will be opened. If the password is incorrect and the code column moves to another location, the activity pin 23 will be blocked by the code column 22, causing the unlock knob to not move and the lock not to open.

The stepper motor shaft 21 rotates back and forth, and the code column 22 rotates longitudinally. The other is the same as the above.

The motor uses a servo motor, and the output signal of the control circuit controls the angle or the moving distance of the motor, and the others are consistent with the foregoing.

Referring to Figures 9 and 10, the cryptographically adjustable structure of the present invention. As shown in Fig. 9, the dial disk 10 and the gear wheel 12 are combined into one, and the wheel 12 can be rotated about the axis 20-20. Enter the correct password, the motor 6 will drive the gear 12 and the dial to the open position through the gear 8, turn the knob 17 half turn, then the slide 14 is inserted into the password slot 18 of the cipher gear 12, and then the cipher gear 12 is dialed, so that The gear 12 and the gear 8 are separated, as shown in Fig. 10, and then reset the system to reset the system, then input a new password, and write down the code to toggle the gear 12 to re-engage with the gear 8. Turn the knob 17 half turn to complete the password modification.

Referring to FIG. 11 and FIG. 12, a manual password operation gear 25 is added, and the gear 25 is connected to the scale knob 27 through the shaft 26. The code gear 12, the gear 25, the shaft 26 and the scale knob 27 form a manual mechanical cryptosystem, and rotate. Knob 27, gear 25 rotates and drives the code gear 12 to rotate. If the number of rotations is correct, the code gear 12 will be turned to the correct unlock position. At this time, the unlock knob 17 is turned and the lock is opened. In this case, only the knob 17 is rotated half a turn, then the gear 12 is pushed open and the like to the position of FIG. 9, the scale knob 27 is rotated, and then the cipher gear 12 is pushed back to re-engage the cryptographic gear 12 with the gear 8, and the gear 25 is also geared. 8 Re-engage, note the reading of the scale knob 27 at this time, the reading is new The new password for the manual password operating system. If the password of the button system is also modified before the password gear 12 is pushed back, both sets of passwords are modified to become the new password.

Referring to Fig. 13, the mechanical position barrier is used to determine the reset position. As shown in the figure, the obstacle 26 is disposed in the rotating portion of the cryptographic mechanism, and the blocking lever 27 is disposed in the non-rotating portion to determine that the motor is rotated to 26 when it hits 27, which is the reset position. The motor stops rotating. Press the reset button #, and the password system will revert to this position. At this time, the control system B can stop the motor from being blocked by the increased stall current as a signal.

Referring to Fig. 14, the position is detected by the Hall element. As shown in Fig. 14, the magnetic strip 28 fixed to the rotating member of the cryptographic mechanism, and the monitoring signals of the stationary Hall elements 29, 29 are sent to the control system B. Pressing the reset button, control system B gives a signal to make the motor rotate. For example, the magnetic strip 28 is turned to the corresponding Hall element 29, and the Hall element 29 sends the generated signal to the control system B. According to the program setting, the control system will eventually control. The system returns to the reset position.

See Figure 15. Use the optoelectronic device to detect the reset position. As shown in Fig. 15, there is a hole in the rotating gear, and the photoelectric element 30 is responsible for monitoring the position of the hole, and the signal of the photoelectric element 30 is input to the control system B. Pressing the reset button, the control system B gives a signal to make the motor rotate. If the gear is turned to the hole and the photocell in the photoelectric component 30, the photoelectric component 30 will generate a signal and send it to the control system B. According to the program setting, the control system Eventually the system will be controlled to return to the reset position.

The control system B determines the distance of the return by recording the advancement data of the motor and resets it, sets the mechanical blocking reset, determines the reset position using the Hall element, and determines the reset position using the photoelectric element. The four ways of determining the reset position can be combined. use.

Claims

Rights request

1. An electronic input mechanical code lock, characterized in that: an electronic cryptosystem and a mechanical cryptosystem are connected in two parts, and the electronic cryptosystem comprises an electronic input device, a control circuit, a driving circuit, a motor and a power source which are sequentially connected. The mechanical cryptosystem includes a motor shaft gear, a transmission gear, a cryptographic member, a limit connecting member, a twist, a twisting shaft, and an unlocking device; an electronic input device output connection control circuit, a control circuit output connection driving circuit, and a driving circuit output connecting the motor, The motor shaft end is fixed with a motor shaft gear; the motor shaft gear is connected to the transmission code piece through the transmission gear, or the code piece is directly mounted on the motor shaft; the limit connection piece is movably connected to the unlocking device at one end, and the other end of the limit connection piece is matched with the cipher piece The twisting shaft, the twisting and the unlocking device are connected fixing components.

2. The electronic input mechanical code lock according to claim 1, wherein: said electronic input device comprises a password input key, a reset key and a connection line thereof, or comprises a password input key, a reset key, a keyboard circuit And its connecting lines.

3. The electronic input mechanical code lock according to claim 1, wherein: said control circuit comprises a programmable processing chip and a peripheral circuit thereof.

4. The electronic input mechanical code lock according to claim 1, wherein: said driving circuit comprises a power amplifying chip and a peripheral circuit thereof, or a motor dedicated driving chip and a peripheral circuit thereof.

The electronic input mechanical code lock according to claim 1, wherein: the password component uses a password disk with a password slot, or a password column with a password hole, or a special structural member with a password point. .

6. The electronic input mechanical code lock according to claim 1, wherein: the limit connecting member adopts a sliding piece or a sliding pin, or a limit transmission mechanical structural member.

7. The electronic input mechanical code lock according to claim 1, wherein: said motor is a stepping motor or a servo motor.

8. The electronic input mechanical code lock according to claim 1, wherein: said transmission gear and motor shaft gear are separable or engageable.

9. The electronic input mechanical code lock according to claim 1, wherein: the electronic input device is a key input device or a voice input device, a remote control input device, a fingerprint information input device, and an IC card input device; Or a combination of the above devices.

10. The electronic input mechanical code lock according to claim 1, wherein: a manual driving device is added to the mechanical cryptosystem; when selected, the manual driving device is connected to the cryptographic device, and the manual driving device is connected to the driving device. Password.