CN216008119U - Fingerprint padlock and electric control circuit thereof - Google Patents
Fingerprint padlock and electric control circuit thereof Download PDFInfo
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- CN216008119U CN216008119U CN201990000157.0U CN201990000157U CN216008119U CN 216008119 U CN216008119 U CN 216008119U CN 201990000157 U CN201990000157 U CN 201990000157U CN 216008119 U CN216008119 U CN 216008119U
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
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Abstract
The application belongs to the technical field of fingerprint padlocks and provides a fingerprint padlock and an electric control circuit thereof. The embodiment of the application gathers the light signal in the environment and converts the light signal into the weak current signal through the plane skylight, gather the weak current signal through control module and charge for energy storage module, be control module through energy storage module, fingerprint module and motor power supply, gather user's fingerprint reflected light and handle to fingerprint image data through the fingerprint module, send fingerprint image data to control module, discern fingerprint image data through control module and verify, send motor drive signal when fingerprint image discernment verifies to pass through, rotate under motor drive signal's drive through the motor, with the motion of drive locking mechanism, can utilize the light signal in the environment anytime and anywhere to charge for energy storage module, thereby realize continuously uninterruptedly supplying power to the fingerprint padlock, need not to regularly change the battery or connect external power source and charge for the battery.
Description
Technical Field
The application belongs to the technical field of fingerprint padlocks, and particularly relates to a fingerprint padlock and an electric control circuit thereof.
Background
The traditional mechanical lock is usually equipped with a matched key, a user needs to carry the key with him or her to unlock the lock, and the lock cannot be unlocked when the user forgets to carry the key or loses the key. The fingerprint padlock realizes the unblock through discernment and verification user's fingerprint, and the user need not to carry the key, compares in traditional mechanical lock more intelligent and convenient.
The existing fingerprint padlock is usually powered by a battery, the battery needs to be replaced periodically or an external power supply is connected to charge the battery, and when the electric quantity of the battery is insufficient, normal unlocking cannot be performed.
Disclosure of Invention
In view of this, embodiments of the present invention provide a fingerprint padlock and an electric control circuit thereof, so as to solve the problem that the conventional fingerprint padlock is usually powered by a battery, and needs to periodically replace the battery or connect an external power source to charge the battery, and cannot be normally unlocked when the battery is insufficient in power.
The first aspect of the embodiment of the application provides an electric control circuit of a fingerprint padlock, which comprises a control module, a daylighting panel, an energy storage module, a fingerprint module and a motor, wherein the daylighting panel, the energy storage module, the fingerprint module and the motor are electrically connected with the control module;
the daylighting panel is used for collecting optical signals in the environment and converting the optical signals into weak current signals;
the control module is used for acquiring the weak current signal to charge the energy storage module;
the energy storage module is used for supplying power to the control module, the fingerprint module and the motor;
the fingerprint module is used for collecting light reflected by a fingerprint of a user, processing the light into fingerprint image data and sending the fingerprint image data to the control module;
the control module is also used for identifying and verifying the fingerprint image data and sending a motor driving signal when the fingerprint image identification and verification is passed;
the motor is used for rotating under the driving of the motor driving signal so as to drive the locking mechanism to move.
In one embodiment, the control module comprises a core, and an electric aggregation element, an analog-to-digital converter, a voltage comparator, a PWM chip and a plurality of I/O ports which are electrically connected with the core, the electric aggregation element is also electrically connected with the daylighting panel, the analog-to-digital converter and the PWM chip, the analog-to-digital converter is also electrically connected with the voltage comparator, and the PWM chip is also electrically connected with the energy storage module;
the electric aggregation element is used for being electrically connected with the daylighting panel through a first I/O port of the control module, acquiring weak electric signals output by the daylighting panel through the first I/O port and aggregating the weak electric signals;
the analog-to-digital converter is used for sampling the voltage of the gathered weak current signal;
the voltage comparator is used for comparing the voltage of the gathered weak current signal with a preset voltage threshold value;
the kernel is used for awakening the PWM chip when the voltage of the gathered weak current signal is greater than a preset voltage threshold;
the PWM chip is used for converting the gathered weak current signals into current signals with preset current values to charge the energy storage module;
the kernel is also used for being electrically connected with the fingerprint module through a second I/O port of the control module, receiving the fingerprint image data through the second I/O port, identifying and verifying the fingerprint image data, and sending a motor driving instruction to the PWM chip when the fingerprint image identification and verification is passed;
the PWM chip is also used for being electrically connected with the motor through a third I/O port of the control module, converting the motor driving instruction into the motor driving signal and outputting the motor driving signal to the motor through the third I/O port.
In one embodiment, the electric concentrating element comprises at least one of a MOS transistor, a charge storage diode, a capacitor and an electric coupling element.
In one embodiment, the control module further comprises registers and timers electrically connected to the core;
the kernel is to:
according to the weak current signal, the register and the timer are powered on and reset, and a system clock and user data are initialized to wake up the control module; the system clock is used for starting timing after initialization, and the user data comprises the preset voltage threshold value and the preset current value;
after waking up the control module, triggering the control module to enter a sleep state.
In one embodiment, the control module further comprises a low voltage detection chip electrically connected to the core and the energy storage module;
the low voltage detection chip is used for:
detecting the voltage and the electric quantity of the energy storage module to obtain low-voltage detection data;
when the voltage or the electric quantity of the energy storage module reaches a preset percentage of the capacity of the energy storage module, outputting a low-voltage signal to the kernel;
the inner core is also used for awakening the control module when receiving the low-voltage signal so as to enable the control module to enter a working state.
In one embodiment, the daylighting panel comprises a weak photovoltaic panel, and the energy storage module comprises at least one of a capacitor, a rechargeable battery, a memory metal, a fuel cell, a primary battery, a secondary battery, and a flash battery.
In one embodiment, the control module comprises:
the low-voltage detector is electrically connected with the daylighting panel and is used for detecting the magnitude of the weak current signal;
the electronic switch is electrically connected with the daylighting panel;
the controller is electrically connected with the fingerprint module, the motor, the low-voltage detector, the electronic switch and the energy storage module, and is used for charging the energy storage module when the voltage of the weak current signal is greater than a preset voltage threshold value, identifying and verifying the fingerprint image data, and sending a motor driving signal when the fingerprint image identification and verification is passed;
and the voltage stabilizing device is electrically connected with the electronic switch, the controller and the energy storage module and is used for supplying power to the controller.
In one embodiment, the low voltage detector is a high-precision low voltage detector, the electronic switch is a field effect transistor, the controller is a single chip microcomputer, the voltage stabilizing device is a voltage stabilizing chip, the energy storage module is a rechargeable battery, and the electronic control circuit further comprises a transient suppression diode and a resistor;
the positive electrode of the daylighting panel is electrically connected with the negative electrode of the transient suppression diode, the input end of the high-precision low-voltage detector, the input end of the field-effect tube and one end of the resistor, and the negative electrode of the daylighting panel is electrically connected with the positive electrode of the transient suppression diode and then grounded;
the output end of the high-precision low-voltage detector is electrically connected with the signal input end of the singlechip, and the grounding end of the high-precision low-voltage detector is grounded;
the output end of the field effect tube is electrically connected with the anode of the rechargeable battery, the input end of the voltage stabilizing chip, the fingerprint module and the motor, and the controlled end of the field effect tube is electrically connected with the other end of the resistor and the switch control end of the singlechip;
the positive digital power supply voltage end of the single chip microcomputer is electrically connected with the output end of the voltage stabilizing chip;
the grounding end of the voltage stabilizing chip is grounded;
the negative electrode of the rechargeable battery is grounded.
A second aspect of embodiments of the present application provides a fingerprint padlock including an electronic control circuit of the fingerprint padlock according to the first aspect of embodiments of the present application.
In one embodiment, the lighting panel is a flexible lighting panel, the flexible lighting panel constitutes a lock body of the fingerprint padlock, and the control module, the energy storage module, the fingerprint module, the motor and a locking mechanism of the fingerprint padlock are disposed on the lock body.
In one embodiment, the fingerprint padlock includes a lock body, the lock body includes a light transmission area, the lighting panel is disposed in the light transmission area, and the control module, the energy storage module, the fingerprint module, the motor, and a locking mechanism of the fingerprint padlock are disposed in the lock body.
The embodiment of the application provides an electric control circuit comprising a control module, a lighting board electrically connected with the control module, an energy storage module, a fingerprint module and a motor, wherein the energy storage module is electrically connected with the fingerprint module and the motor, the motor is mechanically connected with a locking mechanism of the fingerprint padlock, the electric control circuit is applied to the fingerprint padlock, a light signal in the environment is collected through the lighting board and converted into a weak current signal, the weak current signal is collected through the control module to charge the energy storage module, the energy storage module supplies power to the control module, the fingerprint module and the motor, the light reflected by the fingerprint of a user is collected through the fingerprint module and processed into fingerprint image data, the fingerprint image data is sent to the control module, the fingerprint image data is identified and verified through the control module, a motor driving signal is sent out when the fingerprint image identification and verification is passed, and the motor rotates under the driving of the motor driving signal, the energy storage module can be charged by utilizing light signals in the environment at any time and any place by driving the locking mechanism to move, so that continuous and uninterrupted power supply for the fingerprint padlock is realized, and the battery does not need to be replaced regularly or an external power supply is connected to charge the battery.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram of a first structure of an electronic control circuit provided in an embodiment of the present application;
fig. 2 is a schematic diagram of a second structure of an electronic control circuit provided in an embodiment of the present application;
fig. 3 is a schematic diagram of a third structure of an electronic control circuit provided in the embodiment of the present application;
fig. 4 is a schematic diagram of a fourth structure of an electronic control circuit provided in the embodiment of the present application;
FIG. 5 is a schematic diagram of a first configuration of a fingerprint padlock provided by an embodiment of the present application;
fig. 6 is a second structural schematic diagram of a fingerprint padlock provided by the embodiment of the application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the drawings described above, are intended to cover non-exclusive inclusions.
As shown in fig. 1, the present embodiment provides an electronic control circuit 100 for a fingerprint padlock, which includes a control module 1, and a lighting board 2, an energy storage module 3, a fingerprint module 4 and a motor 5 electrically connected to the control module 1, wherein the energy storage module 3 is further electrically connected to the fingerprint module 4 and the motor 5, and the motor 5 is further mechanically connected to a locking mechanism 200 of the fingerprint padlock.
In application, the electronic control circuit can be applied to fingerprint padlocks of any shape and structure, and according to different principles of mechanical structures for locking and unlocking in the fingerprint padlocks, the locking mechanism can select any conventional locking mechanism according to actual needs. The electric control circuit can further comprise a circuit board, and the control module, the lighting board, the energy storage module, the fingerprint module and the motor can be integrally arranged on the circuit board or electrically connected with the circuit board. The Circuit Board may be a Printed Circuit Board (PCB) or a Flexible Printed Circuit (FPC).
In the present embodiment, the electrical connection refers to a connection for transmitting electrical signals such as a current signal, a voltage signal, a pulse signal, an electrical carrier signal, and the like, which is implemented by a cable.
In application, the lighting panel may be a weak photovoltaic panel, and may convert an optical signal into an electrical signal in a weak light environment, and the light intensity range of the optical signal in the weak light environment may be set to [5lux, 50lux ]. The weak photovoltaic panel may be a silicon solar cell (e.g., amorphous silicon solar cell, monocrystalline silicon solar cell, polycrystalline silicon solar cell, etc.), a compound cell (e.g., gallium arsenide solar cell, cadmium telluride solar cell, etc.), a thin film solar cell (e.g., copper indium selenide thin film cell, copper zinc tin sulfide thin film solar cell, etc.), a fuel-sensitized solar cell, an organic solar cell, a perovskite solar cell, a graphene solar cell, a quantum dot solar cell, etc.
In application, the light signal in the environment includes a natural light signal and an unnatural light signal, the natural light signal includes direct sunlight and sunlight reflected, transmitted or refracted by an object, and the unnatural light signal may be a light signal emitted by any luminous unnatural object such as an electric lamp, a television, a display, an igniter and the like, or may be a fire light emitted when a combustible object is combusted.
In application, the weak current signal comprises at least one of a millivolt level voltage signal, a nanoamp level current signal, a microamp level current signal and a weak charge signal.
In Application, the control module may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, and the like. The general-purpose processor may be a microprocessor, a Micro Controller Unit (MCU), a Single Chip Microcomputer (Single Chip Microcomputer), or any conventional processor. The first I/O port and the second I/O port may be GPIO (General-purpose input/output) ports.
In one embodiment, the energy storage module comprises at least one of a capacitor, a rechargeable battery, a memory metal, a fuel cell, a primary battery, a secondary battery, and a flash battery.
In application, the energy storage module may include at least one of a capacitor (e.g., a capacitor, a farad capacitor, a ceramic capacitor, etc.), a rechargeable battery (e.g., a nickel-metal hydride battery, a lithium battery, etc.), a memory metal, a fuel cell, a primary battery, a secondary battery, a flash battery, etc., which may be selected according to a required storage capacity. When the energy storage module comprises two or more batteries, the priority for charging the batteries can be set according to the voltage rising speed or the generated power, for example, when the voltage rising speed is greater than the preset speed or the generated power is greater than the preset power, the priority for setting the battery with large storage capacity is higher than the priority for setting the battery with small storage capacity, namely, the battery with large storage capacity is charged preferentially; conversely, a battery with a small storage capacity is set to have a higher priority than a battery with a large storage capacity, that is, a battery with a small storage capacity is charged with priority. The preset speed and the preset power can be set according to actual needs, and the preset power is larger than a preset power threshold.
In application, the fingerprint module can be an optical fingerprint module, a capacitive or inductive semiconductor fingerprint module, and a radio frequency fingerprint module. The optical fingerprint module includes a fingerprint acquisition module for acquiring an optical signal reflected by a fingerprint of a user and converting the optical signal into an electrical signal, and the fingerprint acquisition module may be specifically an image sensor, for example, an image sensor implemented based on a Charge-coupled Device (CCD) or a Complementary Metal Oxide Semiconductor (CMOS) technology.
In application, the motor can be any type of micro motor according to actual needs.
In the present embodiment, the lighting panel 2 is used for collecting light signals in the environment and converting the light signals into weak current signals;
the control module 1 is used for acquiring weak current signals to charge the energy storage module 3;
the energy storage module 3 is used for supplying power to the control module 1, the fingerprint module 4 and the motor 5;
the fingerprint module 4 is used for collecting light reflected by a fingerprint of a user, processing the light into fingerprint image data and sending the fingerprint image data to the control module 1;
the control module 1 is also used for identifying and verifying the fingerprint image data and sending a motor driving signal when the fingerprint image identification and verification is passed;
the motor 5 is configured to rotate under the driving of a motor driving signal to drive the locking mechanism 200 to move.
In application, the control module can compare the fingerprint image data with the pre-stored fingerprint image data of the user through any conventional fingerprint image identification technology, and if the comparison result is that the fingerprint image data and the pre-stored fingerprint image data are consistent or the error is smaller than the preset error, the fingerprint image data is judged to be verified to be passed.
As shown in fig. 2, in an embodiment of the present application, the control module 1 includes a core 11, and an electric aggregation element 12, an analog-to-digital converter 13, a voltage comparator 14, a PWM chip 15, and a plurality of I/O ports, which are electrically connected to the core 11, the electric aggregation element 12 is further electrically connected to the lighting panel 2, the analog-to-digital converter 13, and the PWM chip 15, the analog-to-digital converter 13 is further electrically connected to the voltage comparator 14, and the PWM chip 15 is further electrically connected to the energy storage module 3;
the electric aggregation element 12 is used for being electrically connected with the lighting panel 2 through a first I/O port 16 of the control module 1, acquiring weak electric signals output by the lighting panel 2 through the first I/O port 16 and aggregating the weak electric signals;
the analog-to-digital converter 13 is used for sampling the voltage of the gathered weak current signal;
the voltage comparator 14 is used for comparing the voltage of the gathered weak current signal with the preset voltage threshold value;
the kernel 11 is configured to wake up the PWM chip 15 when the voltage of the collected weak current signal is greater than a preset voltage threshold;
the PWM chip 15 is used for converting the gathered weak current signals into current signals with preset current values to charge the energy storage module 3;
the kernel 11 is also used for being electrically connected with the fingerprint module 4 through a second I/O port 17 of the control module 1, receiving fingerprint image data through the second I/O port 17, identifying and verifying the fingerprint image data, and sending a motor driving instruction to the PWM chip 15 when the fingerprint image identification and verification is passed;
the PWM chip 15 is further configured to be electrically connected to the motor 5 through a third I/O port 18 of the control module 1, convert the motor driving command into a motor driving signal, and output the motor driving signal to the motor 5 through the third I/O port 18.
In application, an electric aggregation element for aggregating weak electric signals is integrally arranged inside the control module, and the electric aggregation element comprises a MOS transistor, a Charge storage diode, a capacitor, a Charge-coupled Device (CCD), and the like.
In one embodiment, the electric concentrating element comprises at least one of a MOS transistor, a charge storage diode, a capacitor and an electric coupling element.
In application, the voltage of the gathered weak current signal can be sampled by an analog-to-digital converter inside the control module, and then the voltage of the gathered weak current signal is compared with the preset voltage threshold value by a voltage comparator inside the control module, so as to detect whether the voltage of the gathered weak current signal is greater than the preset voltage threshold value. The preset voltage threshold can be set to a voltage value capable of providing stable charging voltage and current for the energy storage module according to actual needs.
In application, the energy storage module is charged by outputting a current signal with a preset current value, so that the charging stability and efficiency can be improved, the charging safety is ensured, and the service life of the energy storage module is prolonged.
In application, according to the voltage of the gathered weak current signal, a Pulse Width Modulation (PWM) chip is interrupted by a timer to charge the energy storage module, and the PWM chip converts the voltage waveform and the current waveform of the gathered weak current signal into a waveform suitable for charging the energy storage module to charge the energy storage module.
As shown in fig. 2, in one embodiment of the present application, the control module 1 further includes a register 19 and a timer 10 electrically connected to the core 11;
the kernel 11 is used for:
initializing a system clock and user data according to the weak current signal power-on reset register 19 and the timer 10 to wake up the control module; the system clock is used for starting timing after initialization, and the user data comprise a preset voltage threshold value and a preset current value;
after waking up the control module 1, the control module 1 is triggered to enter the sleep state.
In application, after a first I/O port of a control module collects weak current signals, the control module is triggered to wake up once for a short time through the weak current signals, a register and a timer of the control module are powered on and reset, a system clock and user data are initialized, the system clock starts timing and the user data are loaded, subsequent steps can be normally carried out, after the control module is waken up for a short time, the control module enters a dormant state again, power consumption is reduced, electric quantity consumption is reduced, and more weak current signals are gathered to the maximum extent to charge an energy storage module.
As shown in fig. 2, in one embodiment of the present application, the control module 1 further includes a low voltage detection chip 20 electrically connected to the core 11 and the energy storage module 3;
the low voltage detection chip 20 is used for:
detecting the voltage and the electric quantity of the energy storage module 3 to obtain low-voltage detection data;
when the voltage or the electric quantity of the energy storage module 3 reaches a preset percentage of the capacity of the energy storage module, outputting a low-voltage signal to the kernel 11;
the core 11 is further configured to wake up the control module 1 when receiving a low voltage signal, so that the control module 1 enters a working state.
In application, the low voltage detection chip is used for detecting the voltage and the electric quantity of the energy storage module, and when the voltage or the electric quantity of the energy storage module reaches a certain degree (for example, when the voltage is greater than or equal to 80% of the rated voltage of the energy storage module, and the electric quantity is greater than or equal to 80% of the capacity of the energy storage module), the low voltage detection chip outputs a low voltage signal to wake up the control module, so that the control module enters a working state.
The embodiment corresponding to fig. 2 directly collects the weak current signal output by the daylighting panel through the I/O port of the control module, collects the weak current signal, and outputs the current signal with the preset current value to charge the energy storage module when the voltage of the collected weak current signal is greater than the preset voltage threshold, so that the effective collection of the weak current signal can be realized, the power consumption is low, the power consumption can be effectively reduced, and the power consumption of the fingerprint padlock can be effectively reduced.
As shown in fig. 3, in one embodiment, the control module 1 comprises:
a low voltage detector 101 electrically connected to the plane skylight 2 for detecting the magnitude of the weak current signal;
an electronic switch 102 electrically connected to the plane skylight 2;
the controller 103 is electrically connected with the fingerprint module 4, the motor 5, the voltage detector 101, the electronic switch 102 and the energy storage module 3, and is used for charging the energy storage module 3 when the voltage of the weak current signal is greater than a preset voltage threshold value, also used for identifying and verifying the fingerprint image data, and sending a motor driving signal when the fingerprint image identification and verification is passed;
and the voltage stabilizing device 104 is electrically connected with the electronic switch 102, the controller 103 and the energy storage module 3 and is used for supplying power to the controller 103.
In an application, the low voltage detector may be a high precision low voltage detector. The electronic switch may be a transistor, for example, a triode or a field effect transistor. The controller may be a central processing unit, but may also be other general purpose processors, digital signal processors, application specific integrated circuits, field programmable gate arrays or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The voltage stabilizing device can be a voltage stabilizing chip or a voltage stabilizing diode.
As shown in fig. 4, in an embodiment, the low Voltage detector 101 is a high-precision low Voltage detector, the electronic switch 102 is a field effect transistor, the controller 103 is a single chip, the Voltage regulator device 104 is a Voltage regulator chip, the energy storage module 3 is a rechargeable battery, and the electronic control circuit 100 further includes a Transient Voltage Suppressor (TVS) 6 and a resistor 7;
the anode of the daylighting panel 2 is electrically connected with the cathode of the transient suppression diode 6, the input end of the high-precision low-voltage detector 101, the input end of the field-effect tube 102 and one end of the resistor 7, and the cathode of the daylighting panel 2 is electrically connected with the anode of the transient suppression diode 6 and then grounded;
the output end of the high-precision low-voltage detector 101 is electrically connected with the signal input end of the singlechip 103, and the grounding end of the high-precision low-voltage detector 101 is grounded;
the output end of the field effect tube 102 is electrically connected with the positive electrode of the rechargeable battery 3, the input end of the voltage stabilizing chip 104, the fingerprint module 4 and the motor 5, and the controlled end of the field effect tube 102 is electrically connected with the other end of the resistor 7 and the switch control end of the singlechip 103;
the positive digital power supply voltage end of the singlechip 103 is electrically connected with the output end of the voltage stabilizing chip 104;
the ground terminal of the voltage stabilization chip 104 is grounded;
the negative electrode of the rechargeable battery 3 is grounded.
In an application, the high-precision low-voltage detector may be a BL8506 type high-precision low-voltage detector. The field effect tube body can be an AO3401 type field effect tube. The voltage stabilizing chip can be an ME6214 type voltage stabilizing chip. The rechargeable battery may be a lithium ion battery.
The embodiment provides an electric control circuit comprising a control module, a lighting board electrically connected with the control module, an energy storage module, a fingerprint module and a motor, wherein the energy storage module is electrically connected with the fingerprint module and the motor, the motor is mechanically connected with a locking mechanism of the fingerprint padlock, the electric control circuit is applied to the fingerprint padlock, a light signal in the environment is collected through the lighting board and converted into a weak current signal, the weak current signal is collected through the control module to charge the energy storage module, the energy storage module supplies power to the control module, the fingerprint module and the motor, light reflected by a fingerprint of a user is collected through the fingerprint module and processed into fingerprint image data, the fingerprint image data is sent to the control module, the fingerprint image data is identified and verified through the control module, a motor driving signal is sent out when the fingerprint image identification and verification is passed, and the motor is driven by the motor driving signal to rotate, the energy storage module can be charged by utilizing light signals in the environment at any time and any place by driving the locking mechanism to move, so that continuous and uninterrupted power supply for the fingerprint padlock is realized, and the battery does not need to be replaced regularly or an external power supply is connected to charge the battery.
As shown in fig. 5 or fig. 6, an embodiment of the present application provides a fingerprint padlock 1000, which includes the electric control circuit 100 in the above embodiments.
As shown in fig. 5, in one embodiment, the lighting panel 2 is a flexible lighting panel, the flexible lighting panel forms a lock body 1001 of the fingerprint padlock 1000, the control module, the energy storage module, the motor and the locking mechanism of the fingerprint padlock are fixedly disposed inside a hollow cavity of the lock body 1001, and the fingerprint module 4 is disposed in the lock body in an embedded manner.
In application, the shape of the fingerprint padlock can be set according to actual needs. And a bracket or a clapboard is arranged in the hollow cavity of the lock body and used for fixing each device of the electric control circuit.
As shown in fig. 6, in an embodiment, the fingerprint padlock 1000 includes a lock body 1001, the lock body 1001 includes a light-transmitting region 1002, the lighting panel 2 is disposed in the light-transmitting region 1002, the control module, the energy storage module, the motor and the locking mechanism of the fingerprint padlock are disposed inside the hollow cavity of the lock body 1001, and the fingerprint module 4 is disposed in the lock body in an embedded manner.
In the application, when the plane skylight sets up in the lock body is inside, the lock body can be whole printing opacity or partial printing opacity, in order to hide electric control circuit, improves aesthetic measure, can only set up the subregion of lock body into printing opacity region. The light-transmitting region may be made of a transparent or translucent material, for example, glass, acryl, plastic, etc.
It should be understood that the relative positional relationship of the components in the appearance of the fingerprint padlock is shown only by way of example in fig. 5 and 6, and is not intended to limit the actual shape and configuration of the fingerprint padlock.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (11)
1. An electric control circuit of a fingerprint padlock is characterized by comprising a control module, a daylighting panel, an energy storage module, a fingerprint module and a motor, wherein the daylighting panel, the energy storage module, the fingerprint module and the motor are electrically connected with the control module;
the daylighting panel is used for collecting optical signals in the environment and converting the optical signals into weak current signals;
the control module is used for acquiring the weak current signal to charge the energy storage module;
the energy storage module is used for supplying power to the control module, the fingerprint module and the motor;
the fingerprint module is used for collecting light reflected by a fingerprint of a user, processing the light into fingerprint image data and sending the fingerprint image data to the control module;
the control module is also used for identifying and verifying the fingerprint image data and sending a motor driving signal when the fingerprint image identification and verification is passed;
the motor is used for rotating under the driving of the motor driving signal so as to drive the locking mechanism to move.
2. The electrical control circuit of a fingerprint padlock according to claim 1, wherein the control module comprises a core, and an electrical aggregation element, an analog-to-digital converter, a voltage comparator, a PWM chip and a plurality of I/O ports electrically connected to the core, wherein the electrical aggregation element is further electrically connected to the daylighting panel, the analog-to-digital converter and the PWM chip, the analog-to-digital converter is further electrically connected to the voltage comparator, and the PWM chip is further electrically connected to the energy storage module;
the electric aggregation element is used for being electrically connected with the daylighting panel through a first I/O port of the control module, acquiring weak electric signals output by the daylighting panel through the first I/O port and aggregating the weak electric signals;
the analog-to-digital converter is used for sampling the voltage of the gathered weak current signal;
the voltage comparator is used for comparing the voltage of the gathered weak current signal with a preset voltage threshold value;
the kernel is used for awakening the PWM chip when the voltage of the gathered weak current signal is greater than a preset voltage threshold;
the PWM chip is used for converting the gathered weak current signals into current signals with preset current values to charge the energy storage module;
the kernel is also used for being electrically connected with the fingerprint module through a second I/O port of the control module, receiving the fingerprint image data through the second I/O port, identifying and verifying the fingerprint image data, and sending a motor driving instruction to the PWM chip when the fingerprint image identification and verification is passed;
the PWM chip is also used for being electrically connected with the motor through a third I/O port of the control module, converting the motor driving instruction into the motor driving signal and outputting the motor driving signal to the motor through the third I/O port.
3. The fingerprint padlock of claim 2, wherein the electric aggregation element comprises at least one of a MOS transistor, a charge storage diode, a capacitor, and an electric coupling element.
4. The fingerprint padlock of claim 2, wherein the control module further comprises a register and a timer electrically connected to the core;
the kernel is to:
according to the weak current signal, the register and the timer are powered on and reset, and a system clock and user data are initialized to wake up the control module; the system clock is used for starting timing after initialization, and the user data comprises the preset voltage threshold value and the preset current value;
after waking up the control module, triggering the control module to enter a sleep state.
5. The electrical control circuit of a fingerprint padlock as claimed in claim 2, wherein the control module further comprises a low voltage detection chip electrically connected to the core and the energy storage module;
the low voltage detection chip is used for:
detecting the voltage and the electric quantity of the energy storage module to obtain low-voltage detection data;
when the voltage or the electric quantity of the energy storage module reaches a preset percentage of the capacity of the energy storage module, outputting a low-voltage signal to the kernel;
the inner core is also used for awakening the control module when receiving the low-voltage signal so as to enable the control module to enter a working state.
6. An electric control circuit of a fingerprint padlock according to any one of claims 1 to 5, wherein the daylighting panel comprises a weak photovoltaic panel, and the energy storage module comprises at least one of a capacitor, a rechargeable battery, a memory metal, a fuel cell, a primary battery, a secondary battery and a flash battery.
7. The fingerprint padlock of claim 1, wherein the control module comprises:
the low-voltage detector is electrically connected with the daylighting panel and is used for detecting the magnitude of the weak current signal;
the electronic switch is electrically connected with the daylighting panel;
the controller is electrically connected with the fingerprint module, the motor, the low-voltage detector, the electronic switch and the energy storage module, and is used for charging the energy storage module when the voltage of the weak current signal is greater than a preset voltage threshold value, identifying and verifying the fingerprint image data, and sending a motor driving signal when the fingerprint image identification and verification is passed;
and the voltage stabilizing device is electrically connected with the electronic switch, the controller and the energy storage module and is used for supplying power to the controller.
8. The electrical control circuit of fingerprint padlock as claimed in claim 7, wherein the low voltage detector is a high precision low voltage detector, the electronic switch is a fet, the controller is a single chip, the voltage regulator is a voltage regulator chip, the energy storage module is a rechargeable battery, the electrical control circuit further comprises a transient suppression diode and a resistor;
the positive electrode of the daylighting panel is electrically connected with the negative electrode of the transient suppression diode, the input end of the high-precision low-voltage detector, the input end of the field-effect tube and one end of the resistor, and the negative electrode of the daylighting panel is electrically connected with the positive electrode of the transient suppression diode and then grounded;
the output end of the high-precision low-voltage detector is electrically connected with the signal input end of the singlechip, and the grounding end of the high-precision low-voltage detector is grounded;
the output end of the field effect tube is electrically connected with the anode of the rechargeable battery, the input end of the voltage stabilizing chip, the fingerprint module and the motor, and the controlled end of the field effect tube is electrically connected with the other end of the resistor and the switch control end of the singlechip;
the positive digital power supply voltage end of the single chip microcomputer is electrically connected with the output end of the voltage stabilizing chip;
the grounding end of the voltage stabilizing chip is grounded;
the negative electrode of the rechargeable battery is grounded.
9. A fingerprint padlock, characterized in that it comprises an electric control circuit of a fingerprint padlock as claimed in any one of claims 1 to 8.
10. The fingerprint padlock of claim 9, wherein the lighting panel is a flexible lighting panel, the flexible lighting panel forms a lock body of the fingerprint padlock, and the control module, the energy storage module, the fingerprint module, the motor, and a locking mechanism of the fingerprint padlock are disposed on the lock body.
11. The fingerprint padlock of claim 9, wherein the fingerprint padlock comprises a lock body, the lock body comprises a light transmissive region, the lighting panel is disposed in the light transmissive region, and the control module, the energy storage module, the fingerprint module, the motor, and a locking mechanism of the fingerprint padlock are disposed in the lock body.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/111221 WO2021072627A1 (en) | 2019-10-15 | 2019-10-15 | Fingerprint padlock and electric control circuit thereof |
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| Publication Number | Publication Date |
|---|---|
| CN216008119U true CN216008119U (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201990000157.0U Active CN216008119U (en) | 2019-10-15 | 2019-10-15 | Fingerprint padlock and electric control circuit thereof |
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| Country | Link |
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| CN (1) | CN216008119U (en) |
| WO (1) | WO2021072627A1 (en) |
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| CN114821864B (en) * | 2022-04-15 | 2023-09-29 | 珠海格力电器股份有限公司 | Intelligent lock and installation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080024272A1 (en) * | 2003-07-18 | 2008-01-31 | Fiske Michael S | Biometric authentication lock machine |
| US20080247746A1 (en) * | 2007-04-05 | 2008-10-09 | David Law | Tripod Mounting, Stand, or Support Attachment, Accessory, or Mechanism for Cameras and Similar Devices or Objects |
| CN206256765U (en) * | 2016-12-07 | 2017-06-16 | 倪浩 | Multifunctional fingerprint lock |
| CN107257593A (en) * | 2017-06-15 | 2017-10-17 | 泉州师范学院 | A kind of dim light solar energy pulsewidth light modulation road lamp intelligent controller and control method |
| CN207131194U (en) * | 2017-07-13 | 2018-03-23 | 浙江峰邦机械科技有限公司 | A kind of mechano-electronic lock with fingerprint recognition |
| CN207319317U (en) * | 2017-08-09 | 2018-05-04 | 罗菊芳 | A kind of electronic fingerprint device of intelligence case electronic lock |
| CN208056854U (en) * | 2018-04-09 | 2018-11-06 | 山东科技大学 | A kind of solar energy Fingerprint Lock for bicycle |
| CN109138624B (en) * | 2018-09-21 | 2024-02-09 | 成都凡米科技有限公司 | Novel self-powered intelligent door lock |
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