CN210768227U - Anti-theft lock driving system - Google Patents
Anti-theft lock driving system Download PDFInfo
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- CN210768227U CN210768227U CN201921066264.1U CN201921066264U CN210768227U CN 210768227 U CN210768227 U CN 210768227U CN 201921066264 U CN201921066264 U CN 201921066264U CN 210768227 U CN210768227 U CN 210768227U
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Abstract
The utility model provides an anti-theft lock driving system, which comprises a communication module, a singlechip and a driving chip, wherein the singlechip receives a control instruction sent by a server through the communication module, the singlechip drives a stepping motor to work through the driving chip, and the stepping motor drives a spring bolt of an anti-theft lock to move so as to open or close the anti-theft lock; the driving chip comprises two H-bridge drivers connected in parallel, one H-bridge driver drives the stepping motor to rotate forwards, and the other H-bridge driver drives the stepping motor to rotate backwards. The utility model discloses an anti-theft lock does not use mechanical key to unblank, does not also use closely contact or non-contact identification module such as fingerprint, finger vein, iris, magnetic card, radio frequency card, TM card, only uses the remote wireless transmission signal of communication module, and the control command that the server was issued is received to the singlechip, and the mode that adopts driver chip drive step motor work makes the spring bolt stretch out or return.
Description
Technical Field
The utility model relates to a pickproof lock field especially relates to a pickproof lock actuating system.
Background
The outdoor cabinet is mainly used for installing various communication equipment, power modules and storage battery packs. The traditional outdoor cabinet is generally made of a closed iron cabinet, and a door of the closed iron cabinet is locked by a traditional door lock.
Because traditional lock is comparatively simple, the commonality is higher, often appears following problem: 1. the keys of the outdoor cabinet are universal, so that operators and construction teams do not get up according to the standard and operate the outdoor cabinet in an unqualified manner; 2. equipment is easily installed without authorization, so that the system is disordered; 3. the power is stolen by private equipment; 4. the built-in battery is stolen, and the outdoor cabinet can not work normally.
The above problems are mainly due to the fact that the outdoor cabinet lock is easy to open and pry, and with the development of the large-scale integrated circuit technology, a driving system of an intelligent anti-theft lock is urgently needed to be provided.
Disclosure of Invention
The utility model provides an anti-theft lock actuating system, its purpose abandons near field communication, uses remote communication mode drive spring bolt motion.
Realize the utility model discloses the technical scheme of purpose as follows:
a driving system of an anti-theft lock comprises a communication module, a single chip microcomputer and a driving chip, wherein the single chip microcomputer receives a control instruction sent by a server through the communication module, the single chip microcomputer drives a stepping motor to work through the driving chip, and the stepping motor drives a lock tongue of the anti-theft lock to move so as to open or close the anti-theft lock;
the server is in remote wireless connection with the single chip microcomputer through the communication module;
the driving chip comprises two H-bridge drivers connected in parallel, the single chip sends a motor forward rotation signal to the driving chip, and one H-bridge driver drives the stepping motor to rotate forward; the single chip microcomputer sends a motor reversal signal to the driving chip, and the other H-bridge driver drives the stepping motor to reverse.
The communication module, the single chip microcomputer and the driving chip are electrically connected in sequence.
The utility model discloses an anti-theft lock does not use mechanical key to unblank, does not also use closely contact or non-contact identification module such as fingerprint, finger vein, iris, magnetic card, radio frequency card, TM card, only uses the remote wireless transmission signal of communication module, and the control command that the server was issued is received to the singlechip, and the mode that adopts driver chip drive step motor work makes the spring bolt stretch out or return.
As a further improvement of the present invention, the present invention further comprises: the first position sensor and the second position sensor are arranged in the anti-theft lock and are electrically connected with the single chip microcomputer;
at the moment when the lock tongue moves from the first position sensor to the second position sensor, the single chip microcomputer controls the stepping motor to stop working;
and at the moment when the lock tongue moves from the second position sensor to the first position sensor, the singlechip controls the stepping motor to stop working.
The utility model discloses install first position sensor and second position sensor on the circuit board inside the pickproof lock, install the screw on the spring bolt or with the gear drive board of spring bolt synchronous motion, the screw is contactless with first position sensor, second position sensor, the spring bolt stretches out and closes the lock in-process, the screw moves the moment to the second position sensor from the first position sensor top, singlechip control step motor stop work; in the process of returning the lock tongue to unlock, the singlechip controls the stepping motor to stop working at the moment when the screw moves from the upper part of the second position sensor to the upper part of the first position sensor.
As a further improvement, the server sends the unlocking instruction to the single chip microcomputer, the locking signal of the single chip microcomputer is sent through the switch module installed on the anti-theft lock.
As a further improvement of the utility model, the anti-theft lock includes: the first lock shell is used for installing a spring bolt, the second lock shell is provided with a spring bolt cavity, the first lock shell is installed on the cabinet door, and the second lock shell is installed on the cabinet body;
the switch module includes: two door magnetic induction modules arranged on the first lock shell and the second lock shell, wherein the two door magnetic induction modules are electrically connected with the single chip microcomputer,
the single chip microcomputer receives the trigger signals opposite to the two door magnetic induction modules, sends locking signals to the driving chip, and the stepping motor drives the lock tongue to move to the lock tongue cavity to complete locking actions.
As a further improvement of the utility model, the anti-theft lock includes: the first lock shell is used for installing a spring bolt, the second lock shell is provided with a spring bolt cavity, the first lock shell is installed on the cabinet door, and the second lock shell is installed on the cabinet body;
the switch module is a proximity switch, the proximity switch is installed on the first lock shell and electrically connected with the single chip microcomputer, the single chip microcomputer receives a trigger signal of the proximity switch, the single chip microcomputer sends a lock closing signal to the driving chip, and the stepping motor drives the spring bolt to move to the spring bolt cavity to complete lock closing action.
As a further improvement of the utility model, still include commercial power supply module and battery module, commercial power supply module, battery module select communication module, singlechip and driver chip power supply earlier on.
As a further improvement, the input of the single chip microcomputer is electrically connected with the water level sensor, and the output of the single chip microcomputer is electrically connected with the alarm module.
The utility model discloses a water level sensor monitoring is used for installing the inside water level information of rack of pickproof lock, and when water level information exceeded the settlement threshold value in the singlechip, alarm module sent alarm information, and meanwhile the singlechip still surpassed threshold value information transmission to the water level and given the server, and the server sends alarm information.
As a further improvement, the utility model discloses a be equipped with vibration sensor on the cabinet door for installing the pickproof lock, this vibration sensor's output and single chip microcomputer electricity are connected.
The utility model discloses a vibration sensor can monitor the vibration of cabinet door, and vibration sensor gives the singlechip to the vibration data transmission of cabinet door, exceeds the vibration threshold value of setting for in the singlechip when vibration data, and the singlechip is judged and is adopted unconventional means to prize the lock or open the cabinet door by force for lawless persons, and alarm module or server that are connected with the singlechip send alarm signal.
As a further improvement, the input of singlechip still connects bluetooth module, and this bluetooth module sets firmly the inner chamber at the pickproof lock.
The utility model discloses set up bluetooth module's purpose at the pickproof lock inner chamber, be after the communication module trouble, adopt bluetooth module of close range communication to the singlechip transmission signal of unblanking.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an anti-theft lock does not use mechanical key to unblank, does not also use closely contact or non-contact identification module such as fingerprint, finger vein, iris, magnetic card, radio frequency card, TM card, only uses the remote wireless transmission signal of communication module, and the control command that the server was issued is received to the singlechip, and the mode that adopts driver chip drive step motor work makes the spring bolt stretch out or return.
Drawings
FIG. 1 is a functional block diagram of an anti-theft lock drive system;
FIG. 2 is a circuit diagram of the connection of the stepping motor, the driving chip and the single chip microcomputer;
FIG. 3 is a functional block diagram of a power supply unit in the drive system;
FIG. 4 is a schematic block diagram of the single chip connected to a water level sensor, a vibration sensor and a Bluetooth module;
FIG. 5 is a circuit diagram for controlling charging and discharging;
FIG. 6 is a pin diagram of the single chip microcomputer;
FIG. 7 is a circuit diagram of stepper motor control;
fig. 8 is an interface for connecting the stepping motor control circuit with the single chip microcomputer.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
Example 1:
the embodiment discloses pickproof lock actuating system, as shown in fig. 1, including communication module (being the thing networking module in the attached drawing), singlechip and driver chip, set up at inside first position sensor and the second position sensor of pickproof lock, the singlechip passes through the control command that communication module received the server and sent, the singlechip passes through driver chip drive step motor work, step motor drives the spring bolt motion of pickproof lock, in order to open or close this pickproof lock, the server passes through the long-distance wireless connection of communication module with the singlechip, communication module, singlechip and driver chip are connected according to the preface electricity. The first position sensor and the second position sensor are both electrically connected with the single chip microcomputer; at the moment when the lock tongue moves from the first position sensor to the second position sensor, the single chip microcomputer controls the stepping motor to stop working; at the moment when the lock tongue moves from the second position sensor to the first position sensor, the single chip microcomputer controls the stepping motor to stop working; the server sends an unlocking instruction to the single chip microcomputer, and a locking signal of the single chip microcomputer is sent out through a switch module arranged on the anti-theft lock.
In the embodiment, a first position sensor and a second position sensor are arranged on a circuit board in the anti-theft lock, a bolt is arranged on a lock tongue or a gear drive plate which moves synchronously with the lock tongue, the bolt is not in contact with the first position sensor and the second position sensor, and when the lock tongue extends out and is locked, the single chip microcomputer controls a stepping motor to stop working at the moment when the bolt moves from the upper part of the first position sensor to the upper part of the second position sensor; when the lock tongue returns to unlock, the single chip microcomputer controls the stepping motor to stop working at the moment when the screw moves from the position above the second position sensor to the position above the first position sensor.
The unlocking process is as follows: the server transmits an electric signal to the single chip microcomputer through the communication module, the single chip microcomputer outputs a high level to the driving chip, an H-bridge driver of the driving chip drives the stepping motor to rotate forwards, the single chip microcomputer gives a low level to the driving chip at the moment that the screw retreats from the upper side of the second position sensor to the upper side of the first position sensor, and the driving chip controls the motor to stop working.
The locking process is as follows: after the cabinet door is closed, the switch module arranged on the anti-theft lock gives an electric signal to the single chip microcomputer, the single chip microcomputer outputs a high level to the driving chip, the other H-bridge driver of the driving chip drives the stepping motor to rotate reversely, and in the moment that the screw advances from the upper part of the first position sensor to the upper part of the second position sensor, the single chip microcomputer gives a low level to the driving chip, and the driving chip controls the motor to stop working.
As shown in the circuit diagram of fig. 2, the driving chip is DRV8833, DRV8833 is a dual H-bridge current control motor driver, and can drive a stepping motor, and the output driver module of each H-bridge is composed of N-channel power MOSFETs configured as H-bridges for driving the motor windings. Each H-bridge is provided with a circuit that regulates or limits the winding current. The device utilizes the fault output pin to realize the internal turn-off function and provide overcurrent protection, short-circuit protection, undervoltage locking and overheat protection. In addition, a low power sleep mode is provided.
As shown in the single chip microcomputer shown in FIG. 6, the single chip microcomputer of the embodiment selects STM32F103RET, uses a high-performance ARMCortex 332-bit RIsc core, has the working frequency of 72NH, is internally provided with a high-speed memory (a flash memory with up to 128K bytes and a RAM with 20K bytes, rich enhanced O ports and peripherals connected to two APB buses), and further comprises standard and advanced communication interfaces, namely 2 ADCs with 12 bits, 3 universal 16-bit timers and a PWM timer, and comprises 2 DC and SP, 3 USARTs, a USB and a CAN, wherein the STM32F103RET works in the temperature range of 40C to +105 ℃, the power supply voltage is 20V to 36V, and the power-saving mode ensures the requirements of low-power-consumption application.
The circuit board and the power are installed to the pickproof lock inner chamber of this embodiment, and electronic components on the circuit board driving motor work, and the power provides the electric energy for driving motor work. The communication module, the singlechip and the driving chip are positioned on the circuit board.
Example 2:
on the basis of the scheme disclosed by the embodiment 1, the anti-theft lock comprises: the first lock shell used for installing the spring bolt, the second lock shell provided with the spring bolt cavity are installed on the cabinet door, and the second lock shell is installed on the cabinet body.
The switch module of this embodiment can be proximity switch, and this proximity switch installs on first lock shell, and proximity switch is connected with the singlechip electricity, and the trigger signal of proximity switch is received to the singlechip, and the singlechip sends the lock signal of shutting to driver chip, and step motor drives the lock tongue and moves to the lock tongue chamber in order to accomplish the action of shutting.
The switch module of the present embodiment may also include: two door magnetic induction modules are installed on the first lock shell and the second lock shell, the two door magnetic induction modules are electrically connected with the single chip microcomputer, the single chip microcomputer receives trigger signals opposite to the two door magnetic induction modules, the single chip microcomputer sends lock closing signals to the driving chip, and the stepping motor drives the lock tongue to move to the lock tongue cavity to complete lock closing actions.
The power supply of this embodiment includes commercial power supply module and battery module, and commercial power supply module, battery module select to communication module, singlechip and driver chip power supply. Fig. 3 is a schematic block diagram showing that the commercial power supply module and the storage battery respectively supply power to the communication module, the single chip microcomputer and the driver chip, when +5VSYS supplies power, the battery does not supply power, and when +5VSYS stops supplying power, the battery starts supplying power.
Example 3:
on the basis of the solutions disclosed in embodiments 1 and 2, as shown in fig. 3, the input end of the single chip microcomputer of this embodiment is further electrically connected to a water level sensor, and the output end of the single chip microcomputer is further electrically connected to an alarm module. The water level sensor of this embodiment monitors the inside water level information of rack that is used for installing the pickproof lock, and when water level information exceeded the settlement threshold value in the singlechip, alarm module sent alarm information, and the singlechip still surpassed threshold value information transmission for the server with the water level simultaneously, and the server sends alarm information.
As shown in fig. 3, a cabinet door for installing the anti-theft lock is provided with a vibration sensor, and an output end of the vibration sensor is electrically connected with the single chip microcomputer. The vibration sensor of this embodiment can monitor the vibration of cabinet door, and vibration sensor transmits the vibration data transmission of cabinet door for the singlechip, and when vibration data surpassed the vibration threshold value of setting for in the singlechip, the singlechip was judged and is adopted unconventional means to pick the lock or open the cabinet door by force for lawless persons, and alarm module or server connected with the singlechip send alarm signal.
As shown in fig. 3, the input end of the single chip is further connected to a bluetooth module, and the bluetooth module is fixedly arranged in the inner cavity of the anti-theft lock. The purpose that this embodiment set up bluetooth module at the pickproof lock inner chamber is that communication module trouble back adopts bluetooth module of near field communication to the singlechip transmission signal of unblanking.
As shown in fig. 3, the operation mode of the BC26 chip: and the peripheral normally runs, the kernel CPU and the SRAM supply power, and the clock of the peripheral which is not used is closed by default. A sleep mode: only the CPU stops working and the various peripherals work normally, waking up by means of any interrupt/event. And in a shutdown mode, the clock of the 18V power supply area is stopped, the internal HIS, the PLL and the external clock HSE are all closed, meanwhile, the voltage detector can also enter a low power consumption mode, but the SRAM and the register are not powered off, and the voltage detector can only be awakened by means of external interrupts (EXTD and RTC clocks).
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The anti-theft lock driving system is characterized by comprising a communication module, a single chip microcomputer and a driving chip, wherein the single chip microcomputer receives a control instruction sent by a server through the communication module, the single chip microcomputer drives a stepping motor to work through the driving chip, and the stepping motor drives a lock tongue of an anti-theft lock to move so as to open or close the anti-theft lock;
the server is in remote wireless connection with the single chip microcomputer through the communication module;
the driving chip comprises two H-bridge drivers connected in parallel, the single chip sends a motor forward rotation signal to the driving chip, and one H-bridge driver drives the stepping motor to rotate forward; the single chip microcomputer sends a motor reversal signal to the driving chip, and the other H-bridge driver drives the stepping motor to reverse.
2. The pickproof lock actuation system of claim 1, further comprising: the first position sensor and the second position sensor are arranged in the anti-theft lock and are electrically connected with the single chip microcomputer;
at the moment when the lock tongue moves from the first position sensor to the second position sensor, the single chip microcomputer controls the stepping motor to stop working;
and at the moment when the lock tongue moves from the second position sensor to the first position sensor, the singlechip controls the stepping motor to stop working.
3. The system according to claim 1 or 2, wherein the server sends an unlocking instruction to the single chip microcomputer, and the locking signal of the single chip microcomputer is sent out through a switch module installed on the anti-theft lock.
4. The pickproof lock actuation system of claim 3, wherein the pickproof lock includes: the first lock shell is used for installing a spring bolt, the second lock shell is provided with a spring bolt cavity, the first lock shell is installed on the cabinet door, and the second lock shell is installed on the cabinet body;
the switch module includes: two door magnetic induction modules arranged on the first lock shell and the second lock shell, wherein the two door magnetic induction modules are electrically connected with the single chip microcomputer,
the single chip microcomputer receives the trigger signals opposite to the two door magnetic induction modules, sends locking signals to the driving chip, and the stepping motor drives the lock tongue to move to the lock tongue cavity to complete locking actions.
5. The pickproof lock actuation system of claim 3, wherein the pickproof lock includes: the first lock shell is used for installing a spring bolt, the second lock shell is provided with a spring bolt cavity, the first lock shell is installed on the cabinet door, and the second lock shell is installed on the cabinet body;
the switch module is a proximity switch, the proximity switch is installed on the first lock shell and electrically connected with the single chip microcomputer, the single chip microcomputer receives a trigger signal of the proximity switch, the single chip microcomputer sends a lock closing signal to the driving chip, and the stepping motor drives the spring bolt to move to the spring bolt cavity to complete lock closing action.
6. The anti-theft lock driving system according to claim 1, further comprising a mains supply module and a storage battery module, wherein the mains supply module and the storage battery module selectively supply power to the communication module, the single chip microcomputer and the driving chip.
7. The driving system of claim 1, wherein the input end of the single chip is further electrically connected to a water level sensor, and the output end of the single chip is further electrically connected to an alarm module.
8. The driving system of claim 1 or 7, wherein a cabinet door for installing the anti-theft lock is provided with a vibration sensor, and an output end of the vibration sensor is electrically connected with the single chip microcomputer.
9. The driving system of claim 1, wherein the input end of the single-chip microcomputer is further connected to a bluetooth module, and the bluetooth module is fixedly arranged in the inner cavity of the anti-theft lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921066264.1U CN210768227U (en) | 2019-07-09 | 2019-07-09 | Anti-theft lock driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921066264.1U CN210768227U (en) | 2019-07-09 | 2019-07-09 | Anti-theft lock driving system |
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| Publication Number | Publication Date |
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| CN210768227U true CN210768227U (en) | 2020-06-16 |
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| CN201921066264.1U Active CN210768227U (en) | 2019-07-09 | 2019-07-09 | Anti-theft lock driving system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482720A (en) * | 2021-12-16 | 2022-05-13 | 德施曼机电（中国）有限公司 | Door lock control method and device |
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2019
- 2019-07-09 CN CN201921066264.1U patent/CN210768227U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482720A (en) * | 2021-12-16 | 2022-05-13 | 德施曼机电（中国）有限公司 | Door lock control method and device |
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