WO2022143817A1

WO2022143817A1 - Detection and alarm system for living body inside of vehicle

Info

Publication number: WO2022143817A1
Application number: PCT/CN2021/142704
Authority: WO
Inventors: 王振宇; 耿威; 徐征
Original assignee: 嘉兴企树网络科技有限公司; 上海企树网络科技有限公司
Priority date: 2020-12-29
Filing date: 2021-12-29
Publication date: 2022-07-07
Also published as: CN112767661A

Abstract

A detection and alarm system for a living body inside of a vehicle. The system comprises: a cloud platform (30), a sensor module (10) and a communication module (20), wherein the sensor module (10) is used for measuring, according to a preset frequency, the temperature inside a vehicle and detecting whether there is a living body inside the vehicle, generating a detection signal, and uploading the detection signal to the cloud platform (30) by means of the communication module (20); and the cloud platform (30) generates an alarm signal according to the detection signal. The sensor module (10) is arranged in the system, such that the temperature inside the vehicle can be measured and it can be detected whether there is a living body inside the vehicle, and the cloud platform (30) is also arranged such that an alarm signal can be generated when a detection signal is received. In this way, the occurrence of an event in which a child or a pet dies due to an excessively high temperature in an enclosed space after being left in a vehicle for a long time due to the carelessness of an adult or their parents can be reduced or avoided. Moreover, the sensor module (10) performs detection according to a preset frequency, that is, the sensor module (10) works once at an interval of a preset time, such that the working power consumption of the whole system can be greatly reduced.

Description

A car interior biological body detection alarm system

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of the Chinese patent application with the application number 202011594135.7 and the invention titled "An Automotive Interior Biological Detection and Alarm System" filed with the China Patent Office on December 29, 2020 and filed on January 8, 2021 The priority of the Chinese patent application of the China Patent Office, application number 202110024482.4, and the invention title is "An automobile interior biological body detection and alarm system", the entire contents of which are incorporated in this application by reference.

technical field

The application relates to the technical field of intelligent monitoring, and in particular to an automobile interior biological body detection and alarm system.

Background technique

In recent years, with the popularity of automobiles, people's lives have been greatly facilitated, and many problems have also appeared. In news reports, it is not uncommon for drivers to sleep in the car with CO poisoning, and infants to forget the inside of the car.

Now the sealing performance of the doors and windows of domestic cars is good. In summer, the weather is sultry and the small space inside the car is tight and airtight. Over time, the temperature inside the car will gradually increase, and the people inside the car will lose consciousness without knowing it, and even lose their lives in severe cases. More careless car owners go out with their babies and forget the baby inside the car. Because the car is sealed, the temperature is too high and it suffocates and dies from the heat inside the car.

SUMMARY OF THE INVENTION

In view of this, the embodiments of the present application are provided to solve the technical problem of life safety of people or pets that are forgotten in the car in the prior art.

The technical solutions provided by the embodiments of the present application are as follows:

An embodiment of the present application provides a biological body detection and alarm system in an automobile, including: a cloud platform, a sensor module, and a communication module, where the sensor module is used to detect the temperature inside the automobile and whether there is a biological body according to a preset frequency, and generate a detection signal, and upload the detection signal to the cloud platform through the communication module, and the cloud platform generates an alarm signal according to the detection signal.

Optionally, the sensor module includes: a breath detection sensor and a temperature sensor, the breath detection sensor is used to detect whether there is a living body inside the car, and when the existence of a living body is detected, a first detection signal is generated; The temperature sensor is used to detect the temperature inside the car, and generates a second detection signal according to the detected temperature.

Optionally, the biological body detection and alarm system in the car further comprises: a sleep circuit, the sleep circuit is connected to the sensor module and the communication module, and the sleep circuit starts the communication between the sensor module and the communication module every preset time. module.

Optionally, the sleep circuit activates the temperature sensor every preset time, when the second detection signal exceeds a first preset threshold, activates the respiration detection sensor, and when the first detection signal is received When the signal is received, the communication module is activated.

Optionally, the cloud platform includes: a comparison module, the comparison module is configured to receive the second detection signal, determine whether the second detection signal exceeds a first preset threshold, and when the second detection signal exceeds the When the first preset threshold is received and the first detection signal is received, an alarm signal is generated.

Optionally, the biological body detection and alarm system inside the vehicle further includes: an alarm terminal, the alarm terminal is connected to the cloud platform, and the alarm terminal receives an alarm signal output by the cloud platform.

Optionally, the communication module includes: a 2G IoT card.

Optionally, the biological body detection and alarm system in the vehicle further comprises: a rechargeable battery, the rechargeable battery is connected to the temperature sensor and the respiration detection sensor, and is used for charging the temperature sensor and the respiration detection sensor.

Optionally, the biological body detection and alarm system in the vehicle further includes: a power detection module, the power detection module is connected to the rechargeable battery, and is used for monitoring the power of the rechargeable battery. When the power is lower than a second preset threshold When , generate a battery prompt signal.

Optionally, the sleep circuit includes: a timer.

The technical solution of the present application has the following advantages:

The biological body detection and alarm system provided in the embodiments of the present application can detect the temperature inside the car and whether there is a biological body by setting a sensor module, and set a cloud platform to generate an alarm signal when a detection signal is received. Therefore, the biological body detection and alarm system provided in the embodiments of the present application can reduce or avoid the occurrence of death of children or pets due to the negligence of adults or parents, children or pets being locked in the car for a long time due to the high temperature of the confined space . At the same time, in the biological body detection and alarm system provided in the embodiment of the present application, the sensor module performs detection according to a preset frequency, that is, the sensor module works once every preset time, thereby greatly reducing the working power consumption of the entire system.

In the vehicle interior biological detection and alarm system provided by the embodiment of the present application, by setting a sleep circuit, and setting a timer and a comparison circuit in the sleep circuit, the temperature sensor, the respiration detection sensor, and the The communication module works. When the temperature value collected by the temperature sensor does not exceed the first preset threshold, the breathing detection sensor and the communication module may not be activated; when the first detection signal output by the breathing detection sensor is not received, it may not be activated. The communication module works. Thereby, the working power consumption of the biological body detection and alarm system in the automobile is further reduced.

Description of drawings

In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the accompanying drawings that need to be used in the description of the specific embodiments or the prior art will be briefly introduced below. The drawings are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is a structural block diagram of an automobile interior biological body detection and alarm system in an embodiment of the application;

FIG. 2 is a structural block diagram of a biological body detection and alarm system in an automobile according to another embodiment of the present application;

FIG. 3 is a structural block diagram of a biological body detection and alarm system in an automobile according to another embodiment of the present application;

FIG. 4 is a structural block diagram of a biological body detection and alarm system in an automobile according to another embodiment of the present application.

Detailed ways

The technical solutions of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

In the description of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limitations on this application. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two components, which can be a wireless connection or a wired connection connect. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict with each other.

The embodiment of the present application provides a biological detection and alarm system inside an automobile. As shown in FIG. 1 , the system includes: a cloud platform 30 , a sensor module 10 and a communication module 20 . A detection signal is generated based on the temperature and whether there is an organism, and the detection signal is uploaded to the cloud platform 30 through the communication module 20, and the cloud platform 30 generates an alarm signal according to the detection signal. In a specific embodiment, the vehicle interior biological body detection and alarm system mainly works when the vehicle is parked at a certain position and the interior of the vehicle is a closed environment, that is, the vehicle door is closed.

In one embodiment, as shown in FIG. 2 , the sensor module 10 includes: a breathing detection sensor 11 and a temperature sensor 12 . The breathing detection sensor 11 is used to detect whether there is a living body in the vehicle. , to generate a first detection signal; the temperature sensor 12 is used for detecting the temperature inside the vehicle, and generates a second detection signal according to the detected temperature.

In a specific embodiment, the respiration detection sensor 11 is an existing sensor, which can be purchased and used directly. The respiration detection sensor 11 has a built-in Doppler radar sensor and an MCU. For example, the Doppler radar sensor and the MCU can be integrated into a chip to form the respiration detection sensor 11 . The respiration detection sensor 11 detects the motion signal of the object through the Doppler frequency shift effect. Specifically, it can extract the weak motion signal of the thoracic undulation when a person breathes, and after amplification, it is input to the MCU separately for analysis and calculation. The MCU can process the weak operating signal generated when the thoracic cavity rises and fall when the human body is breathing, and combined with the IIR (Infinite Impulse Response, recursive filter) digital filtering algorithm and the breathing signal correction algorithm, it can accurately analyze and determine whether there is someone in the room. In one embodiment, when the breath detection sensor 11 detects the presence of a person or other living body in the vehicle, the first detection signal may be generated.

In one embodiment, as shown in FIG. 3 , in order to enable the sensor module to perform detection according to the preset frequency, a sleep circuit 40 may be set in the biological body detection and alarm system inside the vehicle, and the sleep circuit 40 is connected to the sensor module 10 and the communication module 20 . , the sleep circuit 40 activates the sensor module 10 and the communication module 20 every preset time. In a specific embodiment, a timer can be set in the dormancy circuit 40, and the sensor module 10 and the communication module 20 can be activated every preset time according to the time set in the timer. Set to another time, but the preset time should not be too long to avoid danger to people or pets locked in the car.

In one embodiment, the sleep circuit 40 activates the temperature sensor 12 every preset time, activates the respiration detection sensor 11 when the second detection signal exceeds the first preset threshold, and activates communication when the first detection signal is received module 20. In a specific embodiment, a comparison circuit can be set in the sleep circuit 40, and the comparison circuit is connected to the temperature sensor 12. When the temperature value inside the car is collected by the temperature sensor 12, it is transmitted to the comparison circuit. At the same time, the sleep circuit 40 is provided with a first A preset threshold, such as 35 degrees or 30 degrees, etc., after the comparison circuit receives the temperature value transmitted by the temperature sensor 12, it compares it with the first preset threshold, and if it is greater than the preset threshold, it outputs a first high level signal, the sleep circuit 40 can start the breathing detection sensor 11 to work according to the first high-level signal. When the breathing detection sensor 11 detects the existence of a living body, it outputs the first detection signal to the sleep circuit 40, and the sleep circuit 40 receives the first detection signal. A second high-level signal can be generated by an electrical measurement signal, and the communication module 20 can be started to work according to the second high-level signal. At this time, the communication module 20 may transmit the first detection signal detected by the breath detection sensor 11 and the second detection signal detected by the temperature sensor 12 to the cloud platform 30 .

In one embodiment, the communication module 20 can select a 2G IoT card, which can reduce the power consumption of the system. At the same time, in order to improve the transmission speed of the signal, you can also choose a 3G IoT card, a 4G IoT card, or a 5G IoT card. In addition, the communication module 20 may also use other components to implement communication.

In one embodiment, the cloud platform 30 includes: a comparison module, the comparison module is configured to receive the second detection signal, determine whether the second detection signal exceeds the first preset threshold, and receive the second detection signal when the second detection signal exceeds the first preset threshold. When the first detection signal is reached, an alarm signal is generated. In one embodiment, if a comparison circuit is set in the sleep circuit 40, when the cloud platform 30 receives the first detection signal and the second detection signal, it means that the sleep circuit 40 has determined that the temperature inside the car exceeds the first preset value. The threshold value is reached and the existence of living organisms in the car is detected. At this time, the cloud platform 30 can directly generate an alarm signal. Therefore, if a comparison circuit is set in the sleep circuit 40 , the comparison module may not be set in the cloud platform 30 .

In one embodiment, as shown in FIG. 4 , the vehicle interior biological detection and alarm system further includes an alarm terminal 50 , the alarm terminal 50 is connected to the cloud platform 30 , and the alarm terminal 50 receives the alarm signal output by the cloud platform 30 . In a specific implementation manner, the alarm terminal 50 may be a mobile phone terminal. For example, an APP may be set on the mobile phone terminal, or an alarm signal may be directly sent to the WeChat public account of the mobile phone.

In one embodiment, since the respiration detection sensor 11, the temperature sensor 12 and the 2G IoT card are all low-power devices, each working time is short and power consumption is low, and can be operated with rechargeable batteries. Therefore, a rechargeable battery can be provided in the biological body detection and alarm system in the car, and the rechargeable battery is connected to the temperature sensor 12 and the respiration detection sensor 11 for charging the temperature sensor 12 and the respiration detection sensor 12 . Wherein, when the communication module 20 is a 2G IoT card, the rechargeable battery can also be connected to the 2G IoT card to supply power for the 2G IoT card.

In a specific embodiment, in order to be able to charge the rechargeable battery in time and prevent the sensor module and the communication module from being unable to work due to low power, the vehicle internal biological detection and alarm system further includes: a power detection module, the power detection module is connected to the rechargeable battery, It is used to monitor the power of the rechargeable battery, and when the power is lower than the second preset threshold, a power prompt signal is generated. Specifically, the power detection module can be a battery power detection chip, and the power detection module can be connected to the communication module 20. When a power prompt signal is generated, it can be sent to the alarm terminal 50 through the communication module 20 to prompt the user to charge in time.

In one embodiment, the biological body detection and alarm system provided in the embodiment of the present application may work according to the following process: the sleep circuit 40 starts the temperature sensor 12 to work, receives the temperature value collected by the temperature sensor 12, and judges by the built-in comparison circuit. Whether the temperature value exceeds the first preset threshold, when it exceeds the first preset threshold, the respiration detection sensor 11 is activated to work, and if the first detection signal output by the respiration detection sensor 11 is received, the communication module 20 is activated to work, and the communication The module 20 transmits the received first detection signal output by the breath detection sensor 11 and the second detection signal output by the temperature sensor 12 (that is, the collected temperature value) to the cloud platform 30, and the cloud platform 30 generates an alarm signal and transmits it to the alarm terminal 50. ,The user is prompted. At the same time, the user can charge the rechargeable battery when the alarm terminal 50 inquires the power prompt signal output by the power detection module to keep the breathing detection sensor 11, the temperature sensor 12, and the 2G IoT card working normally.

Although the exemplary embodiments and their advantages have been described in detail, those skilled in the art can make various changes, substitutions and alterations in these embodiments without departing from the spirit of the present application and the scope of protection defined by the appended claims, Such modifications and variations are within the scope defined by the appended claims. For other examples, those of ordinary skill in the art will readily understand that the order of the process steps can be varied while remaining within the scope of the present application.

In addition, the scope of application of the present application is not limited to the process, mechanism, manufacture, material composition, means, method and steps of the specific embodiments described in the specification. From the disclosure of the present application, as those of ordinary skill in the art, it will be easily understood by those of ordinary skill in the art that there are currently existing or will be developed in the future for the process, mechanism, manufacture, composition of matter, means, method or step, wherein they perform the same as the present application. Corresponding embodiments described that perform substantially the same function or achieve substantially the same results can be applied in accordance with the present application. Accordingly, the appended claims of this application are intended to include within their scope such processes, mechanisms, manufacture, compositions of matter, means, methods or steps.

Claims

A biological detection and alarm system inside an automobile is characterized by comprising: a cloud platform, a sensor module and a communication module,

The sensor module is used to detect the temperature inside the car and whether there is a living body according to a preset frequency, generate a detection signal, and upload the detection signal to the cloud platform through the communication module, and the cloud platform The detection signal generates an alarm signal.
The biological body detection and alarm system in an automobile according to claim 1, wherein the sensor module comprises: a breath detection sensor and a temperature sensor,

The breath detection sensor is used to detect whether there is a living body in the car, and when detecting the existence of a living body, a first detection signal is generated;

The temperature sensor is used to detect the temperature inside the vehicle, and generates a second detection signal according to the detected temperature.
The biological body detection and alarm system in an automobile according to claim 2, further comprising: a sleep circuit, the sleep circuit is connected to the sensor module and the communication module, and the sleep circuit is activated every preset time the sensor module and the communication module.
The biological body detection and alarm system in an automobile according to claim 3, wherein the sleep circuit starts the temperature sensor every preset time, and when the second detection signal exceeds a first preset threshold, starts the temperature sensor. The breath detection sensor, when receiving the first detection signal, activates the communication module.
The biological body detection and alarm system in an automobile according to claim 2, wherein the cloud platform comprises: a comparison module, and the comparison module is configured to receive the second detection signal and determine whether the second detection signal is not Exceeding the first preset threshold, when the second detection signal exceeds the first preset threshold and the first detection signal is received, an alarm signal is generated.
The biological body detection and alarm system in an automobile according to claim 5, further comprising: an alarm terminal, the alarm terminal is connected to the cloud platform, and the alarm terminal receives the alarm signal output by the cloud platform.
The biological body detection and alarm system in an automobile according to claim 5, wherein the communication module comprises: a 2G Internet of Things card.
The biological body detection and alarm system in an automobile according to claim 5, further comprising: a rechargeable battery, the rechargeable battery is connected to the temperature sensor and the respiration detection sensor, and is used for the temperature sensor and the respiration detection sensor. The breath detection sensor is charged.
The biological body detection and alarm system in an automobile according to claim 8, further comprising: a power detection module, the power detection module is connected to the rechargeable battery, and is used for monitoring the power of the rechargeable battery. When the power is lower than the second preset threshold, a power prompt signal is generated.
The biological body detection and alarm system in an automobile according to claim 4, wherein the sleep circuit comprises: a timer.