CN112116777A - Intelligent door lock system - Google Patents

Abstract

The invention discloses an intelligent door lock system, comprising: a control module; and a sensor module, a communication module and an unlocking module respectively connected with the control module; the sensor module is used to detect an indoor environment to obtain environmental information; the control module The module judges according to the received environmental information, in the event of a fire, the control module generates a temporary password; the communication module sends the received temporary password to the contact; the unlocking module is used for password or the temporary password to unlock. The present invention can achieve the purpose of making rescue work proceed smoothly when a fire occurs.

Description

A smart door lock system

technical field

The invention relates to the field of anti-theft door lock systems, in particular to an intelligent door lock system.

Background technique

The existing electronic smart door locks have become more and more popular. In addition to the traditional key unlocking, they also have the unlocking function of fingerprint, password and face recognition, and the anti-theft performance is gradually enhanced. In addition, with the improvement of the manufacturing process, the strength of the lock body and the shell is getting higher and higher, which makes it difficult to forcibly break it from the outside. However, the high security and high stability of the existing electronic smart door locks may become a serious obstacle to emergency rescue and evacuation work in the event of a fire accident.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide an intelligent door lock system used in a fire environment to solve the problem that rescue work cannot be carried out smoothly when a fire occurs.

In order to solve the above problems, the present invention is realized through the following technical solutions:

An intelligent door lock system is characterized by comprising: a control module 100 ; and a sensor module 300 , a communication module 400 and an unlocking module 200 respectively connected to the control module 100 . The sensor module 300 is used to detect the indoor environment to obtain environmental information; the control module 100 judges according to the received environmental information, and in the event of a fire, the control module 100 generates a temporary password; the communication module 400 will The received temporary password is sent to the contact; the unlocking module 200 is used for unlocking according to the input original password or the temporary password.

Preferably, the sensor module 300 includes: a smoke sensor 3001 and a flame sensor 3002 . The smoke sensor 3001 is used to detect indoor smoke conditions, generate smoke information according to the smoke conditions, and transmit the smoke information to the control module 100; the flame sensor 3002 is used to detect indoor flame conditions, according to the The flame situation generates flame information, and transmits the flame information to the control module 100; the control module 100 converts the received smoke information and the flame information into a first digital signal and a second digital signal respectively , and compare and judge the first digital signal and the second digital signal with the corresponding first alarm preset threshold and second alarm preset threshold respectively; when the first digital signal is greater than the first alarm A preset threshold, when the second digital signal is greater than the second alarm preset threshold, a fire occurs; in other cases, no fire occurs.

Preferably, the sensor module 300 further includes: a temperature sensor 3003 . The temperature sensor 3003 is used to detect the surface temperature of the door lock housing, generate temperature information according to the surface temperature of the door lock housing, and transmit the temperature information to the control module 100; The temperature information is compared with the third alarm preset threshold; when the temperature information is greater than the third alarm preset threshold, the fire spreads to the entrance of the house.

Preferably, the communication module 400 includes: a SIM card module 4001 and a wireless module 4002 . The SIM card module 4001 and the wireless module 4002 are both connected to the control module 100; the SIM card module 4001 is used to send the temporary password to the contact in the form of a short message; the wireless module 4002 is used to send the The environmental information and fire and non-fire status information are sent to the IoT cloud platform 103 .

Preferably, the unlocking module 200 includes a button module 2001 , a fingerprint recognition module 2002 and a face recognition module 2003 . The button module 2001 , the fingerprint recognition module 2002 and the face recognition module 2003 are respectively connected to the control module 100 . The button module 2001 is used to set a password for the smart door lock system, and unlock it through the original password; when a fire occurs, it is unlocked according to the original password or the temporary password; the fingerprint recognition module 2002 is used to The smart door lock system is set with fingerprints, and by matching the scanned fingerprint with the fingerprint in the fingerprint database, the matching result is consistent and then unlocked; face setting, and processing the collected face images to obtain face data information, by matching the face data information with the face data in the face recognition database, and unlocking if the matching results are consistent.

Preferably, the IoT cloud platform 103 is used to store the environmental information and the fire and non-fire status information, and a user can remotely access the IoT cloud platform 103 through a PC browser or mobile phone software.

Preferably, it also includes: a display module 101, which is connected to the control module 100 and used to display the identification of fire and non-fire status information, the status identification of whether it is connected to the Internet of Things cloud platform 103, the mobile phone mobile communication signal value, Mobile phone card network operator registration status identification, current date and clock; when running the setting function, the setting interface, setting parameters and necessary operation prompts are displayed; when the unlocking function is operated, the necessary operation prompts and unlocking success or failure status information are displayed.

Preferably, the control module 100 is configured to pre-store the preset contact information.

Preferably, it also includes: a sound and light alarm module 102 . When a fire occurs, the sound and light alarm module 102 alarms.

The present invention has at least one of the following advantages:

(1) The intelligent door lock system used in the fire environment provided by the present invention adopts the smoke sensor and the flame sensor to detect the indoor environment, and transmits the environmental information to the control module, and the control module judges whether a fire occurs in the room. When a fire occurs, the control module can automatically generate a temporary password, and send the temporary password to the pre-set emergency contact through the SIM card module, which is convenient for fire rescue personnel to open the door lock in time to enter the house for search and rescue, and avoid violent demolition and waste of precious rescue time.

(2) The intelligent door lock system used in the fire environment provided by the present invention uses a temperature sensor to detect the temperature of the surface of the intelligent door lock shell, and the control module judges whether the fire spreads to the vicinity of the entrance of the house, and provides a reference for rescuers to formulate a search and rescue plan. .

(3) The intelligent door lock system used in the fire environment provided by the present invention uses a wireless module to upload the indoor environmental information to the Internet of Things cloud platform in real time, so as to facilitate remote management personnel, such as property security, fire brigade, etc., to know the area under their jurisdiction in time The fire safety status of the home.

Description of drawings

FIG. 1 is a schematic diagram of a smart door lock system according to an embodiment of the present invention.

Detailed ways

A smart door lock system proposed by the present invention will be described in further detail below with reference to FIG. 1 and the specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the accompanying drawings are in a very simplified form and all use inaccurate scales, and are only used to facilitate and clearly assist the purpose of explaining the embodiments of the present invention. For the purpose, features and advantages of the present invention to be more clearly understood, please refer to the accompanying drawings. It should be noted that the structures, proportions, sizes, etc. shown in the drawings in this specification are only used to cooperate with the contents disclosed in the specification, so as to be understood and read by those who are familiar with the technology, and are not used to limit the implementation of the present invention. Therefore, it does not have technical substantive significance, and any modification of structure, change of proportional relationship or adjustment of size should still fall within the scope of the present invention without affecting the effect that the present invention can produce and the purpose that can be achieved. The scope of the disclosed technical content can be covered.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

With reference to FIG. 1 , an intelligent door lock system provided in this embodiment is characterized in that it includes: a control module 100 ; The sensor module 300 is used to detect the indoor environment to obtain environmental information; the control module 100 judges according to the received environmental information, and in the event of a fire, the control module 100 generates a temporary password; the communication module 400 will The received temporary password is sent to the contact; the unlocking module 200 is used for unlocking according to the input original password or the temporary password.

The control module 100 includes, but is not limited to, a single-chip microcomputer. The single-chip microcomputer is a microprocessor, which can be an STM32 series single-chip microcomputer. It is connected to the unlocking module 200, the display module 101, the sensor module 300, the communication module 400, and the sound and light alarm module 102 in the entire circuit board. It is responsible for the information processing and normal operation of the entire intelligent door lock system. Burn the written program code in the single-chip microcomputer, power on and control the external module circuit, and realize the desired function.

Specifically, the sensor module 300 includes: a smoke sensor 3001 and a flame sensor 3002 . The smoke sensor 3001 is used to detect indoor smoke conditions, generate smoke information according to the smoke conditions, and transmit the smoke information to the control module 100; the flame sensor 3002 is used to detect indoor flame conditions, according to the The flame situation generates flame information, and transmits the flame information to the control module 100; the control module 100 converts the received smoke information and the flame information into a first digital signal and a second digital signal respectively , and compare and judge the first digital signal and the second digital signal with the corresponding first alarm preset threshold and second alarm preset threshold respectively; when the first digital signal is greater than the first alarm A preset threshold, when the second digital signal is greater than the second alarm preset threshold, a fire occurs; in other cases, no fire occurs.

Specifically, the sensor module 300 further includes: a temperature sensor 3003 . The temperature sensor 3003 is used to detect the surface temperature of the door lock housing, generate temperature information according to the surface temperature of the door lock housing, and transmit the temperature information to the control module 100; The temperature information is compared with the third alarm preset threshold; when the temperature information is greater than the third alarm preset threshold, the fire spreads to the entrance of the house.

Smoke information, flame information and temperature information are environmental information.

The smoke sensor 3001 is affected by temperature and humidity, detects indoor smoke in real time, and transmits the smoke information to the single-chip microcomputer. The single-chip microcomputer code is written with a preset first alarm preset threshold, second alarm preset threshold and third alarm preset threshold; The flame sensor 3002 is affected by the external ambient light, detects whether there is a fire source in the room in real time, and transmits the flame information to the microcontroller; the temperature sensor 3003 detects the surface temperature of the smart door lock housing in real time, and transmits the temperature information to the microcontroller. The flame information and smoke information are jointly judged, and a single value exceeding the threshold will not be judged as a fire, so as to avoid misjudgment of kitchen fire or indoor smoking. The smoke sensor 3001 and the flame sensor 3002 are analog signal outputs. The single-chip microcomputer receives the analog signal and converts it into the first digital signal and the second digital signal by the internal ADC. The first alarm preset threshold and the second alarm preset threshold are compared and judged. When the first digital signal is greater than the first alarm preset threshold and the second digital signal is greater than the second alarm preset threshold, it is determined that a fire has occurred; in other cases , it is judged that no fire has occurred. The temperature sensor 3003 adopts single bus data transmission and directly outputs digital signals. The single-chip microcomputer receives the temperature information and compares the temperature information with the third alarm preset threshold. When the temperature value exceeds the third alarm preset threshold, it means that the fire has been Spread to near the entrance of the house. When a fire occurs, a temporary password is generated, and a sound and light alarm is issued. When no fire occurs, no temporary password is generated, and no sound and light alarm is issued.

Specifically, the communication module 400 includes: a SIM card module 4001 and a wireless module 4002 . The SIM card module 4001 and the wireless module 4002 are both connected to the control module 100; the SIM card module 4001 is used to send the temporary password to the contact in the form of a short message; the wireless module 4002 is used to send the The environmental information and fire and non-fire status information are sent to the IoT cloud platform 103 .

Specifically, the IoT cloud platform 103 is used to store the environmental information and the fire and non-fire status information, and a user can remotely access the IoT cloud platform 103 through a PC browser or mobile phone software.

The SIM card module 4001 is connected with the single-chip microcomputer through the USART serial communication interface. When the single-chip microcomputer determines that there is a fire in the current indoor environment, the single-chip microcomputer will automatically generate a temporary password, and control the SIM card module 4001 through the AT command set to send a short message of the temporary password to the contact preset in the internal Flash of the single-chip microcomputer; in the intelligent door lock system The preset contact information and quantity can be freely set by the user. The temporary password is used by the rescuers to open the door, avoiding violent demolition and saving time.

The wireless module 4002 is connected with the single-chip microcomputer through the USART serial communication interface, and the single-chip computer controls the wireless module 4002 to connect to the indoor router through the AT instruction set, connect by TCP, and upload the information to the Internet of Things cloud platform by MQTT protocol for remote access. The wireless module sends the data of the operation of the smart door lock system to the IoT cloud platform, and the data includes flame information, smoke information, temperature information and the status identification value of fire and non-fire. The single-chip microcomputer does not store these data, but directly uploads it to the IoT cloud platform for storage. When a fire occurs, the wireless module sends environmental information and fire and non-fire status information to the IoT cloud platform. Users can access it through a web browser on a PC, or use a mobile APP for remote access and viewing.

Specifically, the unlocking module 200 includes a button module 2001 , a fingerprint recognition module 2002 and a face recognition module 2003 . The button module 2001 , the fingerprint recognition module 2002 and the face recognition module 2003 are respectively connected to the control module 100 . The button module 2001 is used to set a password for the smart door lock system, and unlock it through the original password; when a fire occurs, it is unlocked according to the original password or the temporary password; the fingerprint recognition module 2002 is used to The smart door lock system is set with fingerprints, and by matching the scanned fingerprint with the fingerprint in the fingerprint database, the matching result is consistent and then unlocked; face setting, and processing the collected face images to obtain face data information, by matching the face data information with the face data in the face recognition database, and unlocking if the matching results are consistent.

The key module can use capacitive touch keys or micro-motion mechanical keys. If it is a touch key, it is a capacitive touch key, and if it is a mechanical key, it is a micro-moving mechanical key. The keys of the key module adopt a layout of four rows and three columns, and you can set the function of the intelligent door lock system by entering a password. To set the function of the smart door lock system, you can define a button as the doorbell button. Function settings include password settings, fingerprint settings, contact settings and wireless WiFi connection settings. Password settings include: new password, delete password, modify password; fingerprint settings include: new fingerprint, delete fingerprint. Each button of the button module is connected with 12 IO ports of the microcontroller, and the microcontroller determines which button is pressed by reading the change in the level of the IO port. When using the password to unlock, enter the password through the key module, the single-chip microcomputer combines the password by reading the level changes of different IO ports, and compares it with the original password preset and saved in the internal Flash of the single-chip microcomputer. If the password is the same, the single-chip microcomputer controls the motor. The rotation of 104 drives the clutch 106 to realize the opening of the door lock. If the passwords are inconsistent, the single-chip microcomputer does not send the rotation command of the motor 104. The internal Flash of the single-chip microcomputer is a memory, which stores information such as contacts and original passwords, which are all set by pressing the keys in the setting mode.

The fingerprint identification module can be an optical fingerprint module or a semiconductor fingerprint module controlled by an independent fingerprint control chip. The fingerprint control chip has a pre-set and stored fingerprint database, and the fingerprint database is inside the fingerprint control chip of the fingerprint module. The fingerprint identification module is connected to the single-chip microcomputer using the USART serial communication interface. The single-chip computer sends instructions to the fingerprint control chip, and the fingerprint control chip can perform collection, entry, matching, and deletion of the user's fingerprint, and feedback the corresponding response information to the single-chip computer. When using the fingerprint to unlock, the fingerprint identification module scans the user's fingerprint information, and judges whether the fingerprint information matches the existing fingerprint in the fingerprint database, and transmits the matching result to the single-chip microcomputer. When the matching results are consistent, the single-chip microcomputer controls the rotation of the motor 104 to drive the clutch 106 to open the door lock; when the matching results are inconsistent, the single-chip computer does not send the motor 104 rotation command.

The face recognition module has a camera, a separate chip and an SD card slot. The face recognition module uses the camera to collect the face image of the visitor, and the independent chip on the face recognition module processes the collected image information, and compares it with the features in the pre-entered face recognition database, and then compares the compared data. The result is sent to the connected microcontroller. When the matching results are consistent, the single-chip microcomputer controls the motor 104 to rotate to drive the clutch 106 to open the door; when the matching results are inconsistent, the single-chip computer does not send the motor 104 rotation command, and the face recognition database can be set in the extended SD card.

Specifically, it also includes: a display module 101, which is connected to the control module 100 and used to display the identification of fire and non-fire status information, the status identification of whether it is connected to the Internet of Things cloud platform 103, the mobile phone mobile communication signal value, Mobile phone card network operator registration status identification, current date and clock; when running the setting function, the setting interface, setting parameters and necessary operation prompts are displayed; when the unlocking function is operated, the necessary operation prompts and unlocking success or failure status information are displayed.

Specifically, the control module 100 is configured to store the preset contact information in advance.

Specifically, it also includes: a sound and light alarm module 102 . When a fire occurs, the sound and light alarm module 102 alarms.

The sound and light alarm module is composed of LED lights and buzzers, and is connected to the single-chip microcomputer through the IO port. When the sound and light alarm module is in normal operation in the intelligent door lock system, it plays the role of the key operation prompt tone, and at the same time, it can cooperate with the doorbell button to send out the doorbell; in the event of a fire, the single-chip microcomputer controls the sound and light alarm module to generate sound and light alarm through the level change, which is convenient Users discover the fire in time.

To sum up, the smart door lock system used in the fire environment provided by this embodiment adopts the smoke sensor and the flame sensor to detect the indoor environment, transmits the environmental information to the control module, and the control module determines whether a fire occurs in the room. When a fire occurs, the control module can automatically generate a temporary password, and send the temporary password to the pre-set emergency contact through the SIM card module, which is convenient for fire rescue personnel to open the door lock in time to enter the house for search and rescue, and avoid violent demolition and waste of precious rescue time.

The intelligent door lock system used in the fire environment provided by this embodiment uses a temperature sensor to detect the temperature of the surface of the intelligent door lock housing, and the control module judges whether the fire spreads near the entrance of the house, and provides a reference for rescuers to formulate a search and rescue plan.

The smart door lock system used in the fire environment provided by this embodiment uses a wireless module to upload the indoor environmental information to the Internet of Things cloud platform in real time, so that remote management personnel, such as property security and fire brigade, can timely understand the status of the houses within their jurisdiction. Fire safety status.

While the content of the present invention has been described in detail by way of the above preferred embodiments, it should be appreciated that the above description should not be construed as limiting the present invention. Various modifications and alternatives to the present invention will be apparent to those skilled in the art upon reading the foregoing. Accordingly, the scope of protection of the present invention should be defined by the appended claims.

Claims (9)

1. An intelligent door lock system, comprising: a control module (100); and a sensor module (300), a communication module (400) and an unlocking module (200) respectively connected with the control module (100);

the sensor module (300) is used for detecting indoor environment to obtain environmental information;

the control module (100) judges according to the received environment information, and when a fire disaster happens, the control module (100) generates a temporary password;

the communication module (400) sends the received temporary password to a contact;

the unlocking module (200) is used for unlocking according to the input original password or the temporary password.

2. The intelligent door lock system according to claim 1, wherein the sensor module (300) comprises: a smoke sensor (3001) and a flame sensor (3002);

the smoke sensor (3001) is configured to detect an indoor smoke condition, generate smoke information based on the smoke condition, and transmit the smoke information to the control module (100);

the flame sensor (3002) is used for detecting indoor flame conditions, generating flame information according to the flame conditions and transmitting the flame information to the control module (100);

the control module (100) converts the received smoke information and the received flame information into a first digital signal and a second digital signal respectively, and compares and judges the first digital signal and the second digital signal with a corresponding first alarm preset threshold and a corresponding second alarm preset threshold respectively; when the first digital signal is greater than the first alarm preset threshold value and the second digital signal is greater than the second alarm preset threshold value, a fire disaster occurs; otherwise, no fire occurs.

3. The intelligent door lock system according to claim 2, wherein the sensor module (300) further comprises: a temperature sensor (3003);

the temperature sensor (3003) is used for detecting the surface temperature of the door lock shell, generating temperature information according to the surface temperature of the door lock shell and transmitting the temperature information to the control module (100);

the control module (100) compares and judges the temperature information with a third alarm preset threshold value; and when the temperature information is greater than the third alarm preset threshold value, the fire spreads to the entrance of the house.

4. The intelligent door lock system according to claim 3, wherein the communication module (400) comprises: a SIM card module (4001) and a wireless module (4002);

the SIM card module (4001) and the wireless module (4002) are both connected with the control module (100);

the SIM card module (4001) is used for sending the temporary password to the contact person in a short message form;

the wireless module (4002) is used for sending the environment information and the state information of the fire and the non-fire to an Internet of things cloud platform (103).

5. The intelligent door lock system according to claim 1, wherein the unlocking module (200) comprises a key module (2001), a fingerprint recognition module (2002), and a face recognition module (2003);

the key module (2001), the fingerprint recognition module (2002) and the face recognition module (2003) are respectively connected with the control module (100);

the key module (2001) is used for setting a password of the intelligent door lock system and unlocking the intelligent door lock system through the original password; when a fire disaster happens, unlocking according to the original password or the temporary password;

the fingerprint identification module (2002) is used for setting the fingerprint of the intelligent door lock system, matching the scanned fingerprint with the fingerprint in the fingerprint database, and unlocking if the matching result is consistent;

the face recognition module (2003) is used for setting a face of the intelligent door lock system, processing the acquired face image to obtain face data information, and unlocking the intelligent door lock system if the matching result is consistent by matching the face data information with face data in a face recognition database.

6. The intelligent door lock system according to claim 4, wherein the internet of things cloud platform (103) is used for storing the environment information and the status information of the fire and the non-fire, and a user can remotely access the internet of things cloud platform (103) through a PC side browser or mobile phone software.

7. The intelligent door lock system of claim 1, further comprising: the display module (101) is connected with the control module (100) and is used for displaying the identification of the state information of fire and non-fire, the state identification of whether the display module is connected with the Internet of things cloud platform (103), the mobile phone mobile communication signal value, the mobile phone card network operator registration state identification and the current date clock; when the setting function is operated, displaying a setting interface, setting parameters and necessary operation prompts; when the unlocking function is operated, necessary operation prompts and state information of unlocking success or failure are displayed.

8. The intelligent door lock system according to claim 1, wherein the control module (100) is configured to store information of the set contact person in advance.

9. The intelligent door lock system of claim 1, further comprising: an audible and visual alarm module (102);

when a fire disaster happens, the sound and light alarm module (102) alarms.

Images