Intelligent electric control lock

Abstract

The utility model relates to the technical field of electric control locks, specifically, to an intelligent electric control lock, including an input module, a main control module, a switch module and a display module, wherein the input module, the switch module and the display module are all electrically connected to the main control module, and the main control module is also electrically connected to a detection module, an alarm module and a communication module, and the detection module includes a damage detection circuit and a power detection circuit, wherein the damage detection circuit is used to detect whether the electric control lock is damaged, and the power detection circuit is used to detect the battery power. In the utility model, when the electric control lock is damaged, a warning is issued to improve safety, and when the electric control lock is used, the battery status is monitored to prevent insufficient battery power from limiting functions, and the functionality is stronger.

Description

Technical Field

[0001] The utility model relates to the technical field of electric control locks, in particular to an intelligent electric control lock. Background Art

[0002] An electric lock is a lock that integrates electronic technology and mechanical control. It electronically controls the opening and closing of the lock, providing higher security and convenience. Now, electric locks are becoming more and more widely used. Many families use electric locks with passwords or fingerprints to avoid the trouble of forgetting to carry keys.

[0003] The utility model patent with publication number CN213418757U discloses a smart door lock with remote monitoring, including a door lock body and a mounting plate, the door lock body and the mounting plate are fixedly connected by a telescopic rod, a display screen is arranged on the door lock body, a password input button is arranged below the display screen, a fingerprint lock is arranged below the password input button, a wireless transmission device is arranged inside the door lock body, an electronic lock is arranged at the lower end of the wireless transmission device, a lock head is arranged on one side of the electronic lock, a processor is arranged on the left side of the electronic lock, a power supply is arranged at the lower end of the processor, a door handle is arranged below the lock head, and an installation panel is arranged on the mounting plate, and an alarm and an infrared image acquisition camera are arranged on the installation panel.

[0004] Although the utility model can effectively improve security, the electric lock may have insufficient battery power when in use, resulting in limited functions, and if the electric lock is damaged in a blind spot during shooting, no timely reminder can be given. Utility Model Content

[0005] The purpose of the utility model is to provide an intelligent electric control lock to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An intelligent electric lock comprises an input module, a main control module, a switch module and a display module. The input module, the switch module and the display module are all electrically connected to the main control module. The main control module is also electrically connected to a detection module, an alarm module and a communication module. The detection module comprises a damage detection circuit and a power detection circuit. The damage detection circuit is used to detect whether the electric lock is damaged, and the power detection circuit is used to detect the battery power.

[0008] Preferably, the damage detection circuit includes a pressure sensor P, a first transistor Q1, a second transistor Q2, a thyristor SCR, a normally closed switch S and a battery E;

[0009] The first end of the pressure sensor P is connected to the first end of the normally closed switch S, the second end of the normally closed switch S is connected to the positive electrode of the battery E, the negative electrode of the battery E is grounded, the second end of the pressure sensor P is connected to the base of the first transistor Q1, the collector of the first transistor Q1 is connected to the first end of the normally closed switch S, the emitter of the first transistor Q1 is connected to the base of the second transistor Q2, the collector of the second transistor Q2 is connected to the first end of the normally closed switch S, the emitter of the second transistor Q2 is connected to the gate of the thyristor SCR, the positive electrode of the thyristor SCR is connected to the first end of the normally closed switch S, and the second end of the thyristor SCR is connected to the detection pin of the input module.

[0010] Preferably, the power detection circuit includes a first resistor R1, a second resistor R2, a third resistor R3, a voltage regulator tube VD and a voltage comparator;

[0011] A first end of the first resistor R1 is connected to the positive electrode of the battery E, a second end of the first resistor R1 is connected to the in-phase input end of the voltage comparator, a first end of the second resistor R2 is connected to the second end of the first resistor R1, a second end of the second resistor R2 is grounded, a first end of the third resistor R3 is connected to the positive electrode of the battery E, a second end of the third resistor R3 is connected to the reverse input end of the voltage comparator, a positive electrode of the voltage regulator tube VD is grounded, a negative electrode of the voltage regulator tube VD is connected to the second end of the third resistor R3, and an output end of the voltage comparator is connected to the input pin of the input module.

[0012] Preferably, the input module is further connected to an alarm module, which includes a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a third transistor Q3, an indicator light L, a diode D, a power supply VCC and a buzzer H;

[0013] The power supply VCC is provided by the battery E, the first end of the fourth resistor R4 is connected to the output pin of the main control module, the second end of the fourth resistor R4 is connected to the base of the third transistor Q3, the first end of the fifth resistor R5 is connected to the power supply VCC, the second end of the fifth resistor R5 is connected to the second end of the fourth resistor R4, the emitter of the third transistor Q3 is connected to the power supply VCC, the collector of the third transistor Q3 is connected to the first end of the sixth resistor R6, the second end of the sixth resistor R6 is connected to the first end of the indicator light L, the second end of the indicator light L is grounded, the positive electrode of the diode D is grounded, the negative electrode of the diode D is connected to the first end of the sixth resistor R6, the first end of the buzzer H is connected to the first end of the sixth resistor R6, and the second end of the buzzer H is grounded.

[0014] Preferably, the input module is a matrix keyboard, the display module is an LCD display screen, and the switch module is an electromagnet.

[0015] Preferably, the main control module is also electrically connected to a fingerprint module and a storage module.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model sets up a destruction detection circuit, and the pressure sensor P detects whether the electric lock is destroyed. When it is destroyed, the destruction detection circuit outputs a high level. After the main control module detects it, the alarm module promptly issues an alarm to deter criminals, and sends a corresponding message to the user through the communication module to improve safety.

[0018] 2. The utility model monitors the power status of the battery E in real time by setting a power detection circuit. When the power of the battery E is insufficient, a low level is output, and the communication module sends a corresponding message to remind the user to charge or replace the battery, which is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 A circuit diagram of a damage detection circuit in a utility model;

[0021] Figure 3 It is a circuit diagram of the electric quantity detection circuit in the utility model;

[0022] Figure 4 It is the circuit diagram of the alarm module in the utility model.

[0023] In the figure:

[0024] 1. Detection module; 10. Destruction detection circuit; 11. Power detection circuit;

[0025] 2. Input module;

[0026] 3. Main control module;

[0027] 4. Alarm module;

[0028] 5. Switch module;

[0029] 6. Display module;

[0030] 7. Fingerprint module;

[0031] 8. Communication module;

[0032] 9. Storage module. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the utility model to clearly and completely describe the technical solution in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] See also Figure 1-Figure 4 , the utility model provides a technical solution:

[0035] A smart electric lock comprises an input module 2, a main control module 3, a switch module 5 and a display module 6. The input module 2, the switch module 5 and the display module 6 are all electrically connected to the main control module 3. The main control module 3 is also electrically connected to a detection module 1, an alarm module 4 and a communication module 8. The detection module 1 comprises a damage detection circuit 10 and a power detection circuit 11. The damage detection circuit 10 is used to detect whether the electric lock is damaged. The power detection circuit 11 is used to detect the battery power. The main control module 3 is a commonly used single-chip microcomputer, such as the STM32 series. The communication module 8 is a wireless communication module. Multiple modules such as 4G modules, WIFI modules and Bluetooth modules can be used. Multiple modules can also be integrated to improve applicability.

[0036] In this embodiment, the damage detection circuit 10 includes a pressure sensor P, a first transistor Q1, a second transistor Q2, a thyristor SCR, a normally closed switch S and a battery E;

[0037] The first end of the pressure sensor P is connected to the first end of the normally closed switch S, the second end of the normally closed switch S is connected to the positive electrode of the battery E, the negative electrode of the battery E is grounded, the second end of the pressure sensor P is connected to the base of the first transistor Q1, the collector of the first transistor Q1 is connected to the first end of the normally closed switch S, the emitter of the first transistor Q1 is connected to the base of the second transistor Q2, the collector of the second transistor Q2 is connected to the first end of the normally closed switch S, the emitter of the second transistor Q2 is connected to the gate of the thyristor SCR, the positive electrode of the thyristor SCR is connected to the first end of the normally closed switch S, and the second end of the thyristor SCR is connected to the detection pin of the input module 2. The first transistor Q1 and the second transistor Q2 are both NPN transistors. The pressure sensor P can use a vibrating piezoelectric ceramic piece. When the electric lock is hit hard, the thyristor SCR is turned on.

[0038] Specifically, the power detection circuit 11 includes a first resistor R1, a second resistor R2, a third resistor R3, a voltage regulator tube VD and a voltage comparator;

[0039] The first end of the first resistor R1 is connected to the positive electrode of the battery E, the second end of the first resistor R1 is connected to the in-phase input end of the voltage comparator, the first end of the second resistor R2 is connected to the second end of the first resistor R1, the second end of the second resistor R2 is grounded, the first end of the third resistor R3 is connected to the positive electrode of the battery E, the second end of the third resistor R3 is connected to the reverse input end of the voltage comparator, the positive electrode of the voltage regulator tube VD is grounded, the negative electrode of the voltage regulator tube VD is connected to the second end of the third resistor R3, the output end of the voltage comparator is connected to the input pin of the input module 2, the voltage comparator is powered by the battery E, the first resistor R1 and the second resistor R2 are sampled, the reference power supply circuit consists of two parts, the third resistor R3 and the voltage regulator tube VD, the stable voltage of the voltage regulator tube VD is used as the reference voltage of the voltage comparator, and when the battery E is insufficient, the voltage comparator outputs a low level.

[0040] Specifically, the input module 2 is also connected to an alarm module 4, which includes a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a third transistor Q3, an indicator light L, a diode D, a power supply VCC and a buzzer H;

[0041] The power supply VCC is provided by the battery E, the first end of the fourth resistor R4 is connected to the output pin of the main control module 3, the second end of the fourth resistor R4 is connected to the base of the third transistor Q3, the first end of the fifth resistor R5 is connected to the power supply VCC, the second end of the fifth resistor R5 is connected to the second end of the fourth resistor R4, the emitter of the third transistor Q3 is connected to the power supply VCC, the collector of the third transistor Q3 is connected to the first end of the sixth resistor R6, the second end of the sixth resistor R6 is connected to the first end of the indicator light L, the second end of the indicator light L is grounded, the positive electrode of the diode D is grounded, the negative electrode of the diode D is connected to the first end of the sixth resistor R6, the first end of the buzzer H is connected to the first end of the sixth resistor R6, the second end of the buzzer H is grounded, the third transistor Q3 is a PNP transistor, and when the output pin of the main control module 3 outputs a low level, the buzzer H works.

[0042] Specifically, the input module 2 is a matrix keyboard, which is usually used to input passwords. The display module 6 is an LCD display screen. The switch module 5 is an electromagnet. When the user enters the correct password, presses the recorded fingerprint and remotely controls, the electromagnet is activated to open the electric lock.

[0043] In addition, the main control module 3 is also electrically connected to the fingerprint module 7 and the storage module 9. The fingerprint module 7 uses the different characteristics of human fingerprints to perform identity recognition, including collecting fingerprint images, extracting fingerprint features, saving data and performing fingerprint comparison. The storage module 9 is used to store information and can use an SD card.

[0044] When the intelligent electric lock of the utility model is in use, when the user inputs the correct password from the matrix keyboard of the input module 2, presses the recorded fingerprint and remotely controls, the main control module 3 controls the switch module 5 to open the electric lock. When the electric lock is in daily use, the damage detection circuit 10 can detect whether the electric lock is damaged by hitting. When it is damaged, the main control module 3 detects and controls the alarm module 4 to sound an alarm to deter criminals, and sends a corresponding message to the user through the communication module 8. When the battery E is low on power, the power detection circuit 11 detects that the main control module 3 is low on power, and sends a corresponding message to the user through the communication module 8 to remind the user to charge or replace the battery in time. The fingerprint module 7 can record and verify fingerprints to improve convenience. The storage module 9 can use an SD card to store information.

[0045] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An intelligent electric lock, characterized in that: The invention comprises an input module (2), a main control module (3), a switch module (5) and a display module (6); the input module (2), the switch module (5) and the display module (6) are all electrically connected to the main control module (3); the main control module (3) is also electrically connected to a detection module (1), an alarm module (4) and a communication module (8); the detection module (1) comprises a damage detection circuit (10) and a power detection circuit (11); the damage detection circuit (10) is used to detect whether the electric control lock is damaged; and the power detection circuit (11) is used to detect the battery power.

2. The intelligent electric lock according to claim 1, characterized in that: The damage detection circuit (10) comprises a pressure sensor P, a first transistor Q1, a second transistor Q2, a thyristor SCR, a normally closed switch S and a battery E; The first end of the pressure sensor P is connected to the first end of the normally closed switch S, the second end of the normally closed switch S is connected to the positive electrode of the battery E, the negative electrode of the battery E is grounded, the second end of the pressure sensor P is connected to the base of the first transistor Q1, the collector of the first transistor Q1 is connected to the first end of the normally closed switch S, the emitter of the first transistor Q1 is connected to the base of the second transistor Q2, the collector of the second transistor Q2 is connected to the first end of the normally closed switch S, the emitter of the second transistor Q2 is connected to the gate of the thyristor SCR, the positive electrode of the thyristor SCR is connected to the first end of the normally closed switch S, and the second end of the thyristor SCR is connected to the detection pin of the input module (2).

3. The intelligent electric lock according to claim 1, characterized in that: The electric quantity detection circuit (11) comprises a first resistor R1, a second resistor R2, a third resistor R3, a voltage regulator tube VD and a voltage comparator; The first end of the first resistor R1 is connected to the positive electrode of the battery E, the second end of the first resistor R1 is connected to the in-phase input end of the voltage comparator, the first end of the second resistor R2 is connected to the second end of the first resistor R1, the second end of the second resistor R2 is grounded, the first end of the third resistor R3 is connected to the positive electrode of the battery E, the second end of the third resistor R3 is connected to the reverse input end of the voltage comparator, the positive electrode of the voltage regulator tube VD is grounded, the negative electrode of the voltage regulator tube VD is connected to the second end of the third resistor R3, and the output end of the voltage comparator is connected to the input pin of the input module (2).

4. The intelligent electric lock according to claim 1, characterized in that: The input module (2) is also connected to an alarm module (4), and the alarm module (4) comprises a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a third transistor Q3, an indicator light L, a diode D, a power supply VCC and a buzzer H; A power source VCC is provided by a storage battery E, a first end of a fourth resistor R4 is connected to an output pin of the main control module (3), a second end of the fourth resistor R4 is connected to a base of a third transistor Q3, a first end of a fifth resistor R5 is connected to the power source VCC, a second end of the fifth resistor R5 is connected to a second end of the fourth resistor R4, an emitter of the third transistor Q3 is connected to the power source VCC, a collector of the third transistor Q3 is connected to a first end of a sixth resistor R6, a second end of the sixth resistor R6 is connected to a first end of an indicator light L, a second end of the indicator light L is grounded, a positive electrode of a diode D is grounded, a negative electrode of the diode D is connected to a first end of the sixth resistor R6, a first end of a buzzer H is connected to a first end of the sixth resistor R6, and a second end of the buzzer H is grounded.

5. The intelligent electric lock according to claim 1, characterized in that: The input module (2) is a matrix keyboard, the display module (6) is an LCD display screen, and the switch module (5) is an electromagnet.

6. The intelligent electric lock according to claim 1, characterized in that: The main control module (3) is also electrically connected to a fingerprint module (7) and a storage module (9).

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