Technical Field
The invention relates to an automotive electronic technology field, in particular to a prevent children being trapped in the car device and method.
Background Art
The present within the automobile has been in the world universal, it brings convenience to people at the same time related accidents with cars and more. All parts of the world there will be careless of the parents of the infant is forgotten in the vehicle. In hot summer, under the sunlight, closed the vehicle only needs to dozens of minutes will reach 60 degrees Celsius, such circumstances will cause the children's in summer or even loss of life. In recent years, children forgotten vehicle resulting in injury or even death of the information often there are reports, although such events relative to the existing market automobiles still is extremely small probability time, but such to the tragedy of a family of extremely heavy attack, the retention of the children in the vehicle security problems are important practical significance.
Some of the present invention is mainly based on the multi-sensor of the scheme uses the seat pressure sensor, carbon dioxide sensor, infrared sensor, humidity sensor, cameras and other sensor data, judging whether the vehicle the child lock in the vehicle. However these weaknesses also very obvious shortcoming of:
1. It difficult to popularize: vehicle before leaving the factory most of the merchant in order to control the cost will not because of children being trapped inside the small probability event while increasing the sensor; the vehicle after the use of the portion of the user also will not because of children being trapped inside the small probability event the purchase of special hardware monitoring vehicle in the presence of children.
2. Sensor caused by excessive system fault [...], lowered reliability.
3. Even if the detection to the trapped personnel within the car, but can only sending the notice, cannot be disposed, the people in the car is still in danger.
Content of the invention
One of the purposes of the present invention is to solve the at least the above-mentioned problems, and to provide at least the rear and the advantages of the note.
The invention has another purpose is to provide a and to prevent children being trapped in the car device, based on the vehicle the prior detection sensor, high accuracy, and low implementation cost, to popularize.
In order to achieve the above-mentioned purpose and some of the other purpose, this invention adopts the following technical scheme:
A prevent children being trapped in the car device, including:
The electric control unit, after the vehicle is used for the judge the state information of the vehicle; the state information of the vehicle comprises a locking state and the unlock state; wherein the locked-in state-specific means: the vehicle is, the door is closed, the window is closed, and lock tank and; the unlock state-specific means: in addition to the outside of the locking state of the other state;
The collection unit, for in the electric control unit determines that the vehicle is in the locking state of the collected when the in-vehicle audio information, and sends to said electronic control unit to analyze in-vehicle whether there is a child trapped;
The body control module, used for the electronic control unit analyzes the child trapped in the vehicle, to control said vehicle double-flash opening and whistling;
Wherein said electronic control unit is utilized from the body control module to obtain the door, window and lock state judging the state information of the vehicle; the electric control unit by using a preset sound model of the received audio information identification, in order to judge whether the vehicle in child trapped.
Preferably, the and to prevent children being trapped in the car in the device, the sound model by collecting a plurality of children weeps and wails the sound by the training data.
Preferably, the and to prevent children being trapped in the car in the device, the collection unit for the vehicle has been on the microphone or the later installation of the microphone.
Preferably, the and to prevent children being trapped in the car in the device, the microphone including the compartment outside of the 1st microphone and arranged inside the carriage of the 2nd of the microphone, the sound model to 2nd 1st microphone and microphone collection of audio information are respectively identified, by the 1st and 2nd microphone and microphone audio frequency information identified in the children of acoustic information contrast, and only the 2nd microphone audio frequency information included in the information of the children's voices sound intensity is greater than the 1st microphone audio frequency information included in the information of children's voices sound intensity, determining in-vehicle child trapped.
Preferably, the and to prevent children being trapped in the car in the device, the body control module in the electronic control unit determines whether a vehicle is present in the children are trapped, continuously obtaining the carriage temperature value and sends to said electronic control unit; said electronic control unit in the pre-set temperature value is higher than the high temperature threshold, to the body control module sends a control signal, so that the vehicle body control module control window partially open.
Preferably, the and to prevent children being trapped in the car in the device, further comprises:
Vehicle networked system, used for the electronic control unit determines whether a vehicle is present in the children are trapped, and related services to the owner of the risk information sent.
A prevent children being trapped in the car of the method, comprises the following steps:
S1, the electric control unit in the vehicle after flameout determine whether the vehicle is in a locked state; is, then turning to S2; no, then the interval 30 - 60 s-repeat S1;
S2, collection unit collects the in-vehicle audio information;
S3, the electric control unit according to the S2 of the collected audio information analysis the vehicle whether there is a child trapped; is, then turning to S4; no, then ending the step;
S4, the body control module to control said vehicle double-flash opening and whistling.
Preferably, the and to prevent children being trapped in the car in the method, S4 after also includes:
S5, the body control module real-time detection vehicle in the temperature value;
S6, by the electronic control unit compares the S5 obtained is greater than the preset temperature value whether the high-temperature threshold value; is, then turning to S7; no, then ending the step;
S7, the body control module control window partially open.
Preferably, the and to prevent children being trapped in the car in the method, S4 is also included in the: vehicle networked system and related services to the owner of the risk information sent.
The invention comprises at least the following advantages:
The present invention can prevent the children from being trapped in the car in the device, the electronic control unit ECU, the vehicle body control module BCM and arranged on the matching of the collection unit, the interior of the vehicle to realize the existence of the accurate detection of the trapped children, early warning and active rescue, thereby effectively avoiding children being trapped in the vehicle of the risk, wherein the ECU and BCM are of existing vehicles inherent sensor, so the embodiment of the device is simple and easy to realize, and the cost is low, to popularize.
Other advantages of the present invention, objectives and features will reflect through the lower part of the note, segment will also be through to the study and practice of this invention is in the field of the technical understood.
Description of drawings
Figure 1 is the frame structure diagram of the invention prevent the children from being trapped in the car device.
Mode of execution
The Figure below to do a detailed description of this invention, to enable the ordinary skill in the art refer to this specification can be implemented after the basis.
As shown in Figure 1, a and to prevent children being trapped in the car device, including:
The electric control unit, after the vehicle is used for the judge the state information of the vehicle; the state information of the vehicle comprises a locking state and the unlock state; wherein the locked-in state-specific means: the vehicle is, the door is closed, the window is closed, and lock tank and; the unlock state-specific means: in addition to the outside of the locking state of the other state;
The collection unit, for in the electric control unit determines that the vehicle is in the locking state of the collected when the in-vehicle audio information, and sends to said electronic control unit to analyze in-vehicle whether there is a child trapped;
The body control module, used for the electronic control unit analyzes the child trapped in the vehicle, to control said vehicle double-flash opening and whistling;
Wherein said electronic control unit is utilized from the body control module to obtain the door, window and lock state judging the state information of the vehicle; the electric control unit by using a preset sound model of the received audio information identification, in order to judge whether the vehicle in child trapped.
In the above-mentioned scheme, the prevent children being trapped in the car device specific workflow is: the electronic control unit in a vehicle is detected flameout open after the judge the state of the vehicle, wherein the determining the state of the vehicle includes judging whether the vehicle is off, the door is closed, and whether or not the window is closed tank and lock, and the flameout of a vehicle is detected, the door is closed, when the door is closed and lock tank and determines whether a vehicle has locking, then to the collection unit transmitting the collected signal, the collection unit obtaining the vehicle in the vicinity of the audio information to send to the electronic control unit, the electric control unit through the prefabricated acoustic model identifying audio information, in order to judge whether there is a child trapped in the vehicle, and the children are trapped in judging the existence to the body control module sends the signal, the body control module to control the vehicle double-flash opening, and the whistling of the vehicle, in order to obtain the attention of surrounding people, thus easy to find children trapped in the vehicle, to rescue of children.
Through the use of the electric control unit ECU, the vehicle body control module BCM and arranged on the matching of the collection unit, the interior of the vehicle to realize the existence of the accurate detection of the trapped children, early warning and active rescue, thereby effectively avoiding children being trapped in the vehicle of the risk, wherein the ECU and BCM are of existing vehicles inherent sensor, so the embodiment of the device is simple and easy to realize, and the cost is low, and is convenient for popularization.
As a result of the ECU and the BCM is inherent to the vehicle hardware, therefore of the present invention to prevent children being trapped in the car device is basically not used in the arrangement of additional hardware on the vehicle, by using the information of the vehicle entertainment system can realize the function of the ECU, and many current models can even through software upgrade mode can perform this function, the embodiment of the device cost is greatly reduced, it is convenient.
In one preferred embodiment, the acoustic model by collecting a plurality of children weeps and wails the sound by the training data.
In the above-mentioned scheme in, through a plurality of children weeps and wails the sound data acquisition and training, in order to form the acoustic model, so that the sound model includes children more abundant and comprehensive weeps and wails the sound data, in order to facilitate the collection of audio information for accurate identification.
In one preferred embodiment, the collection unit for the vehicle has been on the microphone or the later installation of the microphone.
In the above-mentioned scheme, the collection unit only for the vehicle has been on the microphone or the later installation of the microphone can be realized in the car audio collection, it is simple to implement, is easy, and existing vehicle of the majority of the already installed a microphone is, therefore only need to upgrade the electric control unit of the vehicle, the vehicle can be in the tank and control the microphone after work, the implementation of the method is simple, and the cost is low.
In one preferred embodiment, the microphone including the compartment outside of the 1st microphone and arranged inside the carriage of the 2nd of the microphone, the sound model to 2nd 1st microphone and microphone collection of audio information are respectively identified, by the 1st and 2nd microphone and microphone audio frequency information identified in the children of acoustic information contrast, and only the 2nd microphone audio frequency information included in the information of the children's voices sound intensity is greater than the 1st microphone audio frequency information included in the information of children's voices sound intensity, determining in-vehicle child trapped.
In the above-mentioned scheme, most of the existing vehicle in each compartment has been provided with a microphone, and a portion of the vehicle to the outside of the carriage is provided with a microphone, so the stated and to prevent children being trapped in the car device only to realize the original carriage microphone of the control program to the staging can realize, is very simple and convenient. The carriage inside and outside are respectively arranged at the microphone and 2nd 1st microphone, makes to the outside of the carriage respectively obtaining audio information, the electric control unit to 2nd 1st microphone and microphone audio frequency information of the analysis and comparison, to avoid the carriage of the external children sound information is judged to be the children's information, so as to improve the judging accuracy of the device, to avoid misjudgment; in addition, for the compartments of the arrangement of the 1st microphone, the carriage can also be arranged in different positions in the microphone, such as children of the general cross carriage rear seat arranged at the microphone, in order to more clear and accurate collection of the carriage to the children in weeps and wails the sound.
In one preferred embodiment, the body control module in the electronic control unit determines whether a vehicle is present in the children are trapped, continuously obtaining the carriage temperature value and sends to said electronic control unit; said electronic control unit in the pre-set temperature value is higher than the high temperature threshold, to the body control module sends a control signal, so that the vehicle body control module control window partially open.
In the above-mentioned scheme in, through the body control module obtained in real time the temperature in the vehicle, and in the electric control unit is arranged in the high-temperature threshold value, so that when the vehicle memory trapped children, can be too high when the temperature in the compartment, the timely control windows open, easy to quickly reduce the temperature in the compartment, in order to guarantee the safety of children, and window partially open to avoid children climb out of the window, or criminals by car window children picked up.
In one preferred embodiment, also includes:
Vehicle networked system, used for the electronic control unit determines whether a vehicle is present in the children are trapped, and related services to the owner of the risk information sent.
In the above-mentioned scheme, vehicle networked system T - Box in existing on most of the vehicles have installed, so through T - Box application, can make the electronic control unit in response to determining that the presence in the vehicle when the trapped children, will be sent to the owner of the risk information in a timely manner and related services mechanism, in order to timely rescue trapped children, ensure the child's safety. Wherein the service mechanism can be a fire mechanism, vehicle recovery mechanism and medical emergency mechanism and any other related services.
A prevent children being trapped in the car of the method, comprises the following steps:
S1, the electric control unit in the vehicle after flameout determine whether the vehicle is in a locked state; is, then turning to S2; no, then the interval 30 - 60 s-repeat S1;
S2, collection unit collects the in-vehicle audio information;
S3, the electric control unit according to the S2 of the collected audio information analysis the vehicle whether there is a child trapped; is, then turning to S4; no, then ending the step;
S4, the body control module to control said vehicle double-flash opening and whistling.
In the above-mentioned scheme, the electric control unit in the vehicle is detected to determine whether the vehicle is open after the locked state, the locking state of the vehicle is: flame-out, the door is closed, the door is closed and lock the liquid tank, namely the interior of the vehicle to form a closed locking space, at this moment the electric control unit to the collecting unit transmitting the collected signal, obtaining the vehicle in the vicinity of the microphone audio information to send to the electronic control unit, the electronic control unit through the audio information analysis and the judgment of the vehicle whether there is a child trapped, and the children are trapped in judging the existence to the body control module sends the signal, the body control module to control the vehicle double-flash opening, and the whistling of the vehicle, in order to obtain the attention of surrounding people, thus easy to find children trapped in the vehicle, to rescue of children.
Through the use of the electric control unit ECU, the vehicle body control module BCM and arranged on the matching of the collection unit, the interior of the vehicle to realize the existence of the accurate detection of the trapped children, early warning and active rescue, thereby effectively avoiding children being trapped in the vehicle of the risk, wherein the ECU and BCM are of existing vehicles inherent sensor, so the embodiment of the device is simple and easy to realize, and the cost is low, and is convenient for popularization.
In one preferred embodiment, S4 after also includes:
S5, the body control module real-time detection vehicle in the temperature value;
S6, by the electronic control unit compares the S5 obtained is greater than the preset temperature value whether the high-temperature threshold value; is, then turning to S7; no, then ending the step;
S7, the body control module control window partially open.
In the above-mentioned scheme in, through the real-time monitoring of the internal temperature of the vehicle, can be too high when the temperature in the compartment, the body control module control window partially open, in order to quickly reducing the temperature in the compartment, in order to guarantee the safety of children trapped inside.
In one preferred embodiment, S4 is also included in the: vehicle networked system and related services to the owner of the risk information sent.
In the above-mentioned scheme in, through the vehicle network system and an electronic control unit of the connection, so that the vehicle networked system can in children being trapped in the car when the owner of the related services in a timely manner to sent and risk information, thereby facilitating the timely rescue trapped children.
Although the embodiments of the invention have been disclosed above, but not limited to the specification and embodiments set out in the application, it is fully can be suitable for various suitable for the field of this invention, familiar in the case of the field personnel, can be easily achieved in addition changes, therefore without departing from the claims and the equivalent of the scope of the general concept of defined, the invention is not limited to the specific details shown and described here of the legend.
Device and method for preventing children from being trapped in car
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