CN111731172B

CN111731172B - Intelligent vehicle seat control method

Info

Publication number: CN111731172B
Application number: CN202010621794.9A
Authority: CN
Inventors: 陈元定; 徐军领; 陈尧东
Original assignee: Magna Seating Research and Development Chongqing Co Ltd
Current assignee: Magna Seating Research and Development Chongqing Co Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-12-17
Anticipated expiration: 2040-06-30
Also published as: CN111731172A

Abstract

The invention provides an intelligent vehicle seat control method, which comprises the following steps: s1: initializing a system; s2: initializing a temperature and humidity sensor, a heart rate and blood pressure detection sensor and a body temperature detection sensor; s3: collecting primary temperature and humidity; s4: initializing a ventilation heating module, a fatigue detection module and a body pressure distribution detection module; s5: simultaneously performing step S6, step S7, and step S9; s6: running in a background; s7: if the controller receives the APP instruction; then S8 is executed and step S6 is suspended; s8: the controller turns on or off ventilation heating, seat adjustment or seat massage according to the received APP instruction, and continues to execute S6 after the execution is finished; s9: the controller sends a timing starting instruction to the background running timing unit, the background running timing unit starts timing, and if the timing duration set by the background running timing unit is reached, S10 is executed, and S6 is suspended; s10: sending other data except the body pressure distribution and retiming; execution continues with S6.

Description

Intelligent vehicle seat control method

Technical Field

The invention relates to the technical field of automobile control, in particular to an intelligent automobile seat control method.

Background

With the improvement of living standards of people, automobiles become more and more indispensable tools for transportation in life of people, and in many cases, drivers have to drive automobiles for a long time, so the requirement on the comfort level of automobile seats is continuously improved.

Disclosure of Invention

The invention aims to at least solve the technical problems in the prior art, and particularly provides an intelligent vehicle seat control method which can well control a vehicle seat and realize multiple functions.

In order to achieve the above object, the present invention provides a method for controlling an intelligent vehicle seat, comprising: the method comprises the following steps:

s1: initializing a system;

s2: initializing a temperature and humidity sensor, a heart rate and blood pressure detection sensor and a body temperature detection sensor;

s3: collecting primary temperature and humidity;

s4: initializing a ventilation heating module, a fatigue detection module and a body pressure distribution detection module;

s5: simultaneously performing step S6, step S7, and step S9;

s6: entering a background running state;

s7: if the controller receives the adjusting instruction; then S8 is executed and step S6 is suspended;

s8: the controller turns on or off ventilation heating and seat adjustment according to the received adjustment instruction, and continues to execute S6 after the adjustment is finished;

s9: the controller sends a timing starting instruction to the background running timing unit, the background running timing unit starts timing, and if the timing duration set by the background running timing unit is reached, S10 is executed, and S6 is suspended;

s10: sending other data except the body pressure distribution and retiming; execution continues with S6.

In the scheme, the method comprises the following steps: step S1 further includes:

s1-1: setting a timing duration;

s1-2: setting a new timing duration through a timing duration setting module, sending new timing duration data to the controller through the timing duration setting module, and executing S1-4 if the controller does not receive the new timing duration data for more than 30 seconds;

s1-3: selecting time length as new timing time length through a timing time length setting module, sending the selected new timing time length data to a controller through the timing time length setting module, receiving the new timing time length data by the controller, sending the new timing time length data to a storage module, sending a new timing time length storage instruction to the storage module through the controller, receiving the new timing time length data by the storage module, storing the new timing time length data in a storage unit of the original timing time length, and covering the new timing time length data in the storage unit of the original timing time length;

s1-3: the controller adjusts the cycle time of the background running timing unit according to the timing duration; the controller sends a timing duration changing instruction to the background running timing unit, meanwhile, the controller sends new timing duration data to the background running timing unit, the background running timing unit receives the timing duration changing instruction and the new timing duration data, the timing time limit is modified according to the new timing duration data, and timing is carried out according to the new timing duration data; execution of S2;

s1-4: the controller sends a timing instruction to the background running timing unit, and the background running timing unit starts timing according to the original timing duration.

In the scheme, the method comprises the following steps: step S2 further includes:

s2-1: the controller sends an initialization instruction to the temperature and humidity sensor and starts timing, and the temperature and humidity sensor detects whether the temperature and humidity sensor can be started to operate normally after receiving the initialization instruction;

s2-2: the method comprises the steps that a temperature and humidity sensor detects the current environment temperature and humidity in advance, the temperature and humidity sensor sends current detected environment temperature data and environment humidity data to a controller, the controller receives and judges the temperature data sent by the temperature and humidity sensor, if the temperature data are between 20 ℃ and 50 ℃, the controller can be started to operate normally, and S2-4 is executed; if the temperature data is not between 20 ℃ and 50 ℃ or the controller does not receive the temperature number sent by the body temperature detection sensor for more than 10S, the normal starting operation cannot be carried out, and S2-3 is executed;

s2-3: the controller sends a temperature and humidity sensor initialization failure prompt instruction to the alarm module, and after the alarm module receives the temperature and humidity sensor initialization failure prompt instruction, the alarm module sends a temperature and humidity sensor initialization failure alarm prompt tone;

s2-4: the controller sends an initialization instruction to the heart rate blood pressure detection sensor and starts timing, and the heart rate blood pressure detection sensor detects whether the heart rate blood pressure detection sensor can be started to operate normally after receiving the initialization instruction;

s2-5: the heart rate and blood pressure detection sensor starts to run in advance, if the heart rate and blood pressure detection sensor can run in advance, the heart rate and blood pressure detection sensor can be started normally, the heart rate and blood pressure detection sensor sends an initialization feedback signal to the controller, and the controller receives the initialization feedback signal of the heart rate and blood pressure detection sensor; if the heart rate and blood pressure detection sensor can detect the heart rate and blood pressure, the heart rate and blood pressure detection sensor does not send an initialization feedback signal to the controller;

s2-6: if the controller does not receive the initialization feedback signal of the heart rate and blood pressure detection sensor for more than 10s, the controller sends a failure initialization prompt instruction of the heart rate and blood pressure detection sensor to the alarm module, and after the alarm module receives the failure initialization prompt instruction of the heart rate and blood pressure detection sensor, the alarm module sends a failure initialization alarm prompt sound of the heart rate and blood pressure detection sensor;

s2-7: the controller sends an initialization instruction to the body temperature detection sensor and starts timing, and the body temperature detection sensor detects whether the body temperature detection sensor can be started to operate normally after receiving the initialization instruction;

s2-8: the body temperature detection sensor detects temperature data in advance, the body temperature detection sensor sends the currently detected temperature data to the controller, the controller receives and judges the temperature data sent by the body temperature detection sensor, if the temperature data is between 20 ℃ and 50 ℃, the normal starting operation can be performed, and S3 is executed; if the temperature data is not between 20 ℃ and 50 ℃ or the controller does not receive the temperature data sent by the body temperature detection sensor for more than 10S, the normal starting operation cannot be carried out, and S2-9 is executed;

s2-9: the controller sends a body temperature detection sensor initialization failure prompt instruction to the alarm module, and after the alarm module receives the initialization failure prompt instruction, the alarm module sends a body temperature detection sensor initialization failure alarm prompt tone.

In the scheme, the method comprises the following steps: step S3 further includes:

s3-1: the controller sends a temperature detection instruction to the temperature and humidity sensor, and the temperature and humidity sensor detects the current ambient temperature and sends the detected temperature data to the controller after receiving the temperature detection instruction;

s3-2: the controller receives temperature data sent by the temperature and humidity sensor and sends a data storage instruction to the storage module, and the storage module receives the temperature data sent by the controller and stores the temperature data;

s3-3: the controller sends a humidity detection instruction to the temperature and humidity sensor, and the temperature and humidity sensor detects the current environment humidity after receiving the humidity detection instruction and sends detected humidity data to the controller;

s3-4: the controller receives humidity data sent by the temperature and humidity sensor and sends a data storage instruction to the storage module, and the storage module receives the humidity data sent by the controller and stores the humidity data;

s3-5: after the temperature data and the humidity data are detected and stored, the controller sends a clear temperature and humidity flag bit to the storage module.

In the scheme, the method comprises the following steps: step S4 further includes:

s4-1: the controller sends an initialization instruction to the ventilation and heating module and starts timing, and after the ventilation and heating module receives the initialization instruction, the ventilation and heating module is started and a gear set for ventilation/heating in the ventilation and heating module is cleared; after the gear of the ventilation and heating module is cleared and zeroed, sending an initialization feedback signal to the controller;

s4-2: if the controller does not receive the initialization feedback signal of the ventilation heating module for more than 10 seconds, the controller sends a ventilation heating module initialization failure prompt instruction to the alarm module, and after the alarm module receives the ventilation heating module initialization failure prompt instruction, the alarm module sends a ventilation heating module initialization failure alarm prompt tone;

s4-3: the controller sends an initialization instruction to the fatigue detection module and starts timing, and the fatigue detection module detects whether the fatigue detection module can normally start running or not after receiving the initialization instruction;

s4-4: the fatigue detection module starts to operate in advance, whether the self-checking function is complete or not is self-checked, if the self-checking function is complete, an initialization completion feedback signal is sent to the controller, and S4-6 is executed; if the controller does not receive the initialization completion feedback signal sent by the fatigue detection module for more than 10S, the controller is not started normally, and S4-5 is executed;

s4-5: the controller sends out a fatigue detection module initialization failure prompt instruction to the alarm module, and after the alarm module receives the fatigue detection module initialization failure prompt instruction, the alarm module sends out a fatigue detection module initialization failure alarm prompt tone;

s4-6: the controller sends an initialization instruction to the body pressure distribution detection module and starts timing, and the body pressure distribution detection module detects whether the body pressure distribution detection module can be started to operate normally after receiving the initialization instruction;

s4-7: the body pressure distribution detection module starts to operate in advance, whether the self-checking function is complete or not is detected, if the self-checking function is complete, an initialization completion feedback signal is sent to the controller, and S4-6 is executed; if the controller does not receive the initialization completion feedback signal sent by the body pressure distribution detection module for more than 10S, the controller indicates that the normal starting operation cannot be carried out, and S4-5 is executed;

s4-8: the controller sends out an initialization failure prompt instruction of the body pressure distribution detection module to the alarm module, and after the alarm module receives the initialization failure prompt instruction of the body pressure distribution detection module, the alarm module sends out an initialization failure alarm prompt tone of the body pressure distribution detection module.

In the scheme, the method comprises the following steps: step S6 further includes:

s6-1: the controller detects whether the current state is a temperature and humidity sensor acquisition flag bit, and if so, S6-2 is executed; otherwise, executing S6-3;

s6-2: the controller sends a current environment temperature and humidity acquisition instruction to the temperature and humidity sensor, and sends a temperature and humidity acquisition flag bit clearing instruction to the storage module, the storage module clears the temperature and humidity acquisition flag bit, the temperature and humidity sensor detects the current environment temperature and humidity, and the step S6 is returned;

s6-3: the controller sends a heart rate and blood pressure signal acquisition instruction to the heart rate and blood pressure detection sensor; the heart rate and blood pressure detection sensor acquires current human heart rate data and blood pressure data;

s6-4: the controller sends a body temperature acquisition instruction to the body temperature detection sensor; the body temperature detection sensor collects current body temperature data of a human body;

s6-5: the controller sends a fatigue data acquisition instruction to the fatigue detection module; the fatigue detection module collects current human body fatigue data;

s6-6: the controller sends an acquisition body pressure distribution instruction to the body pressure distribution detection module; the body pressure distribution detection module acquires current body pressure distribution data of a human body;

s6-7: the body pressure distribution detection module sends detected current body pressure distribution data to the controller, the controller receives the current body pressure distribution data and analyzes the body pressure distribution data, the controller divides the body pressure distribution data into a left part and a right part for analysis, the body pressure distribution data of the left part and the right part are superposed and compared, comparison is carried out according to a pressure range and a pressure size, if the contact ratio is lower than 75%, the current body pressure distribution is uneven, the sitting posture is not standard, the controller sends a sitting posture adjustment prompt instruction to the alarm module, and the alarm module sends a sitting posture adjustment alarm prompt tone;

s6-8: the controller sends a temperature and humidity acquisition flag position marking instruction to the storage module, and the storage module marks and stores the temperature and humidity acquisition flag position; return is made to step S6.

In the scheme, the method comprises the following steps: step S8 further includes:

s8-1: if the ventilation gear adjusting instruction is received by the controller, the controller sends a ventilation gear adjusting instruction to the ventilation heating module according to the received ventilation gear adjusting instruction, and after the ventilation heating module receives the ventilation gear adjusting instruction, the ventilation heating module adjusts the gear of the ventilation fan to the received gear;

s8-2: if the controller receives a heating gear adjusting instruction, the controller sends the heating gear adjusting instruction to the ventilation heating module according to the received heating gear adjusting instruction, and after the ventilation heating module receives the heating gear adjusting instruction, the ventilation heating module adjusts the gear of the cushion heater to the received gear;

s8-3: if the seat adjusting command is received by the controller, the controller sends the seat adjusting command to the seat adjusting motor according to the received seat adjusting command, and after the seat adjusting motor receives the seat adjusting motor, the seat adjusting motor performs seat forward movement, seat backward movement, seat back lowering or seat back raising adjustment according to the received seat adjusting command;

s8-4: the controller sends a temperature and humidity acquisition flag bit clearing instruction to the storage module, and the storage module clears the temperature and humidity acquisition flag bit;

s8-5: execution continues with S6.

In the scheme, the method comprises the following steps: step S10 further includes:

s10-1: the controller sends a temperature and humidity data detection instruction to the temperature and humidity detection sensor, the temperature and humidity detection sensor sends detected environment temperature and environment humidity to the controller, the controller sends a temperature and humidity data storage instruction to the storage module after receiving the environment temperature and the environment humidity sent by the temperature and humidity detection sensor, the received environment humidity and temperature data are sent to the storage module, and the storage module stores the environment humidity and temperature data into the environment humidity storage unit and the environment temperature storage unit respectively;

s10-2: the controller sends a command of sending data of detecting the body temperature to the body temperature detection sensor, the body temperature detection sensor sends the detected body temperature data to the controller, the controller sends a command of storing the body temperature data to the storage module after receiving the body temperature data sent by the body temperature detection sensor, and sends the received body temperature data to the storage module, and the storage module stores the body temperature data into a body temperature data storage unit;

meanwhile, the controller judges the body temperature data, if the body temperature data is not in the range of normal body temperature data and the detection data of the body pressure distribution detection module indicates that a person sits on the seat, the controller sends a body temperature abnormity alarm instruction to the alarm module, and the alarm module sends a body temperature abnormity alarm prompt tone;

s10-3: the controller sends a command for sending and detecting fatigue data to the fatigue detection module, the fatigue detection module sends the detected fatigue data to the controller, after the controller receives the fatigue data sent by the fatigue detection module, the controller sends a command for storing the fatigue data to the storage module, the received fatigue data is sent to the storage module, and the storage module stores the fatigue data into the fatigue data storage unit

Meanwhile, the controller judges the fatigue data, if the fatigue data exceed the fatigue data range of allowable driving and the detection data of the body pressure distribution detection module indicate that a person sits on the seat, the controller sends a fatigue driving alarm instruction to the alarm module, and the alarm module sounds a fatigue driving alarm prompt tone;

s10-4: the controller sends a command for detecting the heart rate and blood pressure of a human body to the heart rate and blood pressure detection sensor, the heart rate and blood pressure detection sensor sends the detected heart rate and blood pressure data of the human body to the controller, the controller sends a command for storing the heart rate and blood pressure data of the human body to the storage module after receiving the heart rate and blood pressure data of the human body sent by the heart rate and blood pressure detection sensor, the received heart rate and blood pressure data of the human body are sent to the storage module, and the storage module respectively stores the heart rate and blood pressure data of the human body into the heart rate storage unit and the blood pressure storage unit;

meanwhile, the controller judges the heart rate and blood pressure data of the human body, if the heart rate and blood pressure data exceed the range of the heart rate and blood pressure which are allowed to be driven, the controller sends a human body state danger alarm instruction to the alarm module, and the alarm module sounds a human body state danger alarm prompt tone;

s10-5: execution continues with S6.

In the scheme, the method comprises the following steps: step S7 is prioritized over step S9.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that: the automobile seat of control that can be fine, steady operation realizes that the seat ventilates, dispels the heat, heats, improves and drives the comfort, can also carry out the detection of some human basic physiological indexes simultaneously, can follow certain degree and avoid the traffic accident, guarantee people's car safety.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a system diagram of the present invention;

FIG. 2 is a circuit diagram of the control module of the present invention;

FIG. 3 is a system diagram of the power module of the present invention;

FIG. 4 is a circuit diagram of a first voltage step-down circuit of the present invention;

FIG. 5 is a system diagram of a heart rate and blood pressure detection module and a control module according to the present invention;

FIG. 6 is a circuit diagram of the detection unit of the present invention;

FIG. 7 is a circuit diagram of a computational cell of the present invention;

figure 8 is a circuit diagram of the PPG signal processing circuit of the invention;

FIG. 9 is a circuit diagram of the heart rate power supply unit of the present invention;

FIG. 10 is a system diagram of a fatigue detection module of the present invention;

FIG. 11 is a circuit diagram of the fatigue detection controller of the present invention;

FIG. 12 is a circuit diagram of a fatigue step-down module of the present invention;

FIG. 13 is a circuit diagram of a data transmission start/stop circuit according to the present invention;

FIG. 14 is a circuit diagram of a data transmission module of the present invention;

FIG. 15 is a schematic view of a massage bladder assembly of the present invention;

FIG. 16 is a schematic view of a lumbar support airbag assembly of the present invention;

FIG. 17 is an electrical control diagram of the massage and lumbar support bladders of the present invention;

FIG. 18 is a schematic view of the installation of the lumbar support airbag module and suspension wires of the present invention;

FIG. 19 is a rear view of FIG. 18;

FIG. 20 is a schematic view of the installation of the temperature sensing module of the present invention;

FIG. 21 is an exploded view of the enclosure of the temperature sensing module of the present invention;

FIG. 22 is an exploded view of the enclosure of the temperature sensing module of the present invention;

FIG. 23 is a circuit diagram of a temperature control chip of the present invention;

FIG. 24 is a circuit diagram of the temperature step-down circuit of the present invention;

FIG. 25 is a circuit diagram of a body temperature detecting sensor according to the present invention

FIG. 26 is a system schematic of the ventilation module of the present invention;

FIG. 27 is a circuit diagram of a ventilation module of the present invention;

fig. 28 is a circuit diagram of a seat cushion detection circuit of the present invention;

FIG. 29 is a flow chart of steps of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

Fig. 29 shows a method for controlling an intelligent vehicle seat, which includes the following steps:

s1: initializing a system;

s1-1: setting a timing duration;

s1-4: the controller sends a timing instruction to the background running timing unit, and the background running timing unit starts timing according to the original timing duration;

s2-8: the body temperature detection sensor detects temperature data in advance (if a person sits on the seat, the body temperature is detected, if no person sits on the seat, the environment temperature is detected), the body temperature detection sensor sends the currently detected temperature data to the controller, the controller receives and judges the temperature data sent by the body temperature detection sensor, if the temperature data is between 20 ℃ and 50 ℃, the normal starting operation can be performed, and S3 is executed; if the temperature data is not between 20 ℃ and 50 ℃ or the controller does not receive the temperature data sent by the body temperature detection sensor for more than 10S, the normal starting operation cannot be carried out, and S2-9 is executed;

s2-9: the controller sends a body temperature detection sensor initialization failure prompt instruction to the alarm module, and after the alarm module receives the initialization failure prompt instruction, the alarm module sends a body temperature detection sensor initialization failure alarm prompt tone;

s3: collecting primary temperature and humidity;

s3-5: after the temperature data and the humidity data are detected and stored, the controller sends a clear temperature and humidity flag bit to the storage module;

s4-8: the controller sends out an initialization failure prompt instruction of the body pressure distribution detection module to the alarm module, and after the alarm module receives the initialization failure prompt instruction of the body pressure distribution detection module, the alarm module sends out an initialization failure alarm prompt tone of the body pressure distribution detection module;

s5: simultaneously performing step S6, step S7, and step S9;

s6: entering a background running state;

s6-8: the controller sends a temperature and humidity acquisition flag position marking instruction to the storage module, and the storage module marks and stores the temperature and humidity acquisition flag position; returning to step S6;

s7: if the controller receives an adjusting instruction sent by the APP; then S8 is executed and step S6 is suspended;

s8: the controller turns on or off ventilation heating and seat adjustment according to the received adjustment instruction sent by the APP, and continues to execute S6 after the adjustment is finished;

s8-5: execution continues with S6;

s10: sending other data except the body pressure distribution and retiming; execution continues with S6;

meanwhile, the controller judges the body temperature data, if the body temperature data is not between 36 and 37.4, and the detection data of the body pressure distribution detection module indicates that a person sits on the seat, the body pressure distribution detection module detects that the pressure is greater than 30KG or the pressure range is greater than 50 percent, the body pressure distribution detection module indicates that the person sits on the seat, the controller sends a body temperature abnormity alarm instruction to the alarm module, and the alarm module sends a body temperature abnormity alarm prompt tone;

s10-5: execution continues with S6.

The invention also provides an intelligent vehicle seat as shown in fig. 1-28, which comprises a control module U15, the attitude detection input end of the control module U15 is connected with the output end of the attitude detection module, the attitude alarm output end of the control module U15 is connected with the input end of the attitude alarm module, the temperature detection signal input end of the control module U15 is connected with the temperature detection module output end, the humidity detection signal input end of the control module U15 is connected with the humidity detection module output end, the ventilation and heating output end of the control module U15 is connected with the input end of the ventilation and heating driving module, the massage output end of the control module U15 is connected with the output end of the massage module, the heart rate detection signal input end of the control module U15 is connected with the output end of the heart rate and blood pressure detection module, fatigue detection module output is connected to control module U15 fatigue detection signal input, control module U15 body temperature detection signal input connects body temperature detection sensor body temperature detection signal output.

In the scheme, the method comprises the following steps: the power supply module comprises a first connector H1, a power supply is connected through a first connector H1, the first end of a first connector H1 is connected with one end of a first button S1, the second end of the first connector H1 is connected with a power ground, and the other end of the first button S1 is connected with the high-voltage input end of the first voltage reduction circuit and the high-voltage input end of the second voltage reduction circuit;

the low-voltage output ends of the first voltage reduction circuit and the second voltage reduction circuit respectively output 5V voltage and 3.3V voltage, the first voltage reduction circuit and the second voltage reduction circuit respectively comprise a voltage reducer TPS1, the high-voltage input end of the voltage reducer TPS1 is connected with the other end of a first button S1 and one end of a third capacitor C3, the other end of the third capacitor C3 and the grounding end of a voltage reducer TPS1 are both connected with a power ground, the high-side grid of the voltage reducer TPS1 is connected with one end of a first capacitor C1, the other end of the first capacitor C1 is connected with the high-side source of the voltage reducer 1, the negative electrode of a first diode D1 and one end of a first inductor L1, the other end of the first inductor L1 is connected with one end of a second capacitor C2, one end of a third resistor R3 and one end of a fourth resistor R4, the positive electrodes of the first diode D1 and the other end of the second capacitor C2 are both connected with the power ground, the other end of the first inductor L1 is a low-voltage output end, the other end of the third voltage reduction resistor R5 is connected with the first resistor RES1 and the feedback end of the first resistor TPS 573 1, the other end of the first chip resistor Res1 is connected with the power ground and the cathode of the second light emitting diode D2, and the anode of the second light emitting diode D2 is connected with the other end of the fourth resistor R4.

In the scheme, the method comprises the following steps: the fatigue detection signal input end of the control module U3 is connected with the signal output end of the wireless receiving module, the output end of the fatigue detection module is connected with the signal input end of the wireless sending module, and data transmission is carried out through the wireless receiving module and the wireless sending module.

In the scheme, the method comprises the following steps: the wireless receiving module and the wireless sending module are both Bluetooth transmission modules, the fatigue detection module is installed on the automobile center console, and the power input end of the fatigue detection module is connected with the power output end of the automobile.

In the scheme, the method comprises the following steps: temperature detect module and humidity detection module formula's temperature sensor U21 as an organic whole, temperature and humidity detection module signal output part connects thirty-one line bank J31 second end and thirty-one resistance R31 one end, the humiture detection module operating voltage input is connected to the thirty-one resistance R31 other end, the first end of thirty-one line bank J31 and thirty-one electric capacity C31 one end are connected to humiture detection module operating voltage input, the power ground is all connected to the thirty-one line bank J31 third end and the thirty-one electric capacity C31 other end.

In the scheme, the method comprises the following steps: the body pressure distribution detection module comprises four sitting posture detection chips, the four sitting posture detection chips are respectively a main detection chip ZZ1, a left detection chip ZZ2, a right detection chip ZZ3 and a front detection chip ZZ4, the left detection chip ZZ2, the right detection chip ZZ3 and the front detection chip ZZ4 are respectively distributed on the left side, the right side and the front side of the main detection chip ZZ1, signal output ends of the left detection chip ZZ2, the right detection chip ZZ3 and the front detection chip ZZ4 are connected with a signal receiving end of the main detection chip ZZ1 in a row insertion mode, and a signal output end of the main detection chip ZZ1 is connected with a gesture detection input end of the control module U15.

In the scheme, the method comprises the following steps: the heart rate and blood pressure monitoring module comprises a detection unit, a calculation unit and a heart rate power supply unit U6, the detection unit is mounted on the right side or left side armrest of the seat, the detection signal output end of the detection unit is connected with the input end of the calculation unit, the driving output end of the calculation unit is connected with the driving input end of the detection unit, and the PPG signal end of the calculation unit is connected with the PPG signal end of the detection unit;

the detection unit comprises a heart rate and blood pressure detection chip U1, a heart rate and pulse detection chip U3 and a heart rate second working chip U5; the calculating unit comprises a heart rate algorithm chip U4 and a heart rate first working chip U2.

In the scheme, the method comprises the following steps: the body temperature detection sensor is arranged on the height adjusting rod 22 of the seat body headrest 21 and comprises a packaging box 26 and a body temperature detection circuit board arranged in the packaging box, the body temperature detection sensor is a non-contact body temperature detection sensor, a detection hole 23 is formed in the packaging box 26, and a wiring hole 25 is formed in the packaging box 26;

the packaging box 26 comprises a front cover 26a and a rear shell 6b, the detection hole 23 is arranged on the front cover 26a, the wire routing hole 25 is arranged on the lower side wall of the rear shell 26b, and a plurality of fixing piles 24 for fixing the body temperature detection circuit board are arranged inside the rear shell 26 b.

In the scheme, the method comprises the following steps: the input end of a first crystal oscillator circuit of the control module U15 is connected with the output end of a first crystal oscillator Y1 and one end of a fourth hundred-and-seven capacitor C407, the output end of the first crystal oscillator circuit of the control module U15 is connected with the input end of the first crystal oscillator Y1 and one end of a fourth hundred-and-eight capacitor C408, and the other end of the fourth hundred-and-seven capacitor C407 and the other end of the fourth hundred-and-eight capacitor C408 are both connected with a power ground;

the input end of a second crystal oscillator circuit of the control module U15 is connected with the output end of a second crystal oscillator Y2, one end of a fourth hundred-nine capacitor C409 and one end of a fourth hundred-eleven resistor R411, the output end of the second crystal oscillator circuit of the control module U15 is connected with the input end of the second crystal oscillator Y2, one end of the fourth hundred-nine capacitor C4010 and the other end of the fourth hundred-eleven resistor R411, and the other end of the fourth hundred-nine capacitor C409 and the other end of the fourth hundred-eleven capacitor C4010 are all connected with a power ground.

In the scheme, the method comprises the following steps: the reset end of the control module U15 is connected to one end of the fourth hundred eighteen resistor R418, one end of the second switch S2 and one end of the fourth hundred seventeen capacitor C417, and the other end of the second switch S2 and the other end of the fourth hundred seventeen capacitor C417 are both connected to ground.

Heart rate blood pressure monitoring module includes detecting element, calculating unit and heart rate power supply unit U6, detecting element installs on seat right side or left side handrail, detecting element detects signal output part and connects the calculating unit input, detecting element drive input is connected to calculating unit drive output, detecting element PPG signal end connection detecting element PPG signal end.

The detection unit comprises a heart rate and blood pressure detection chip U1, a heart rate and pulse detection chip U3 and a heart rate second working chip U5. The first working end of the heart rate second working chip U5 is a driving input end of the detection unit, the second working end of the heart rate second working chip U5 is connected with a power ground, the third working end of the heart rate second working chip U5 is connected with one end of an eighth capacitor C8 and one end of a fifteenth resistor R15, the other end of the eighth capacitor C8 and the other end of the fifteenth resistor R15 are connected with an output end of the heart rate second working chip U5, and the working voltage end of the heart rate second working chip U5 is connected with a power supply output end of a heart rate power supply unit U6;

the output end of a heart rate second working chip U5 is connected with one end of a fourteenth resistor R14, the other end of the fourteenth resistor R14 is connected with the LED cathode of a heart rate blood pressure detection chip U1, the working voltage end of the heart rate blood pressure detection chip U1 is connected with the power supply output end of a heart rate power supply unit U6, the anode of a first LED of the heart rate blood pressure detection chip U1 is connected with one end of a first resistor R1, the anode of a second LED of the heart rate blood pressure detection chip U1 is connected with one end of a second resistor R2, the other ends of the first resistor R1 and the second resistor R2 are both connected with the power supply output end of a heart rate power supply unit U6, the ground is connected with the ground at the ground end of the heart rate blood pressure detection chip U1, the output end of the heart rate blood pressure detection chip U1 is connected with one end of a fourth resistor R4, one end of a third resistor R3 and one end of a second capacitor C2, the other end of the third resistor R3 is connected with the ground, the other end of the fourth resistor R4 is connected with one end of a first capacitor C1 and the first working end of the heart rate pulse detection chip U3, heart rate power supply unit U6 power supply output is connected to first electric capacity C1 other end, fifth resistance R5 one end is connected to the second electric capacity C2 other end, heart rate power supply unit U6 third work end, sixth resistance R6 one end and third electric capacity C3 one end are connected to the fifth resistance R5 other end, heart rate pulse detection chip U3 output is connected to the sixth resistance R6 other end and third electric capacity C3 other end, heart rate pulse detection chip U3 output is detecting element PPG signal end, and heart rate pulse detection chip U3 work voltage end is connected heart rate power supply unit U6 power supply output.

The calculating unit comprises a heart rate algorithm chip U4 and a heart rate first working chip U2. The first working end of the heart rate algorithm chip U4 is connected with one end of an eighth resistor R8 and one end of a fourth capacitor C4, the other end of the eighth resistor R8 is connected with the power supply output end of a heart rate power supply unit U6, the other end of the fourth capacitor C4 is connected with power ground, the signal selection end of the U4IIC communication key chip is connected with the signal selection end of the U2IIC communication key chip of the first heart rate working chip, the clock end of the U4IIC communication key chip of the heart rate algorithm chip is connected with the clock end of the U2IIC communication key of the first heart rate working chip, the second bidirectional data end of the U4IIC communication key of the heart rate algorithm chip is connected with the second bidirectional data end of the U2IIC communication key of the first heart rate working chip, the U2 grounding end of the first heart rate working chip is connected with power ground, and the working voltage input end of the U2 of the first heart rate working chip is connected with the power supply output end of the U6, the heart rate algorithm chip U4 working voltage input end is connected with a heart rate power supply unit U6 power supply output end and a fifth capacitor C5 end, the other end of the fifth capacitor C5 and a common grounding end of the heart rate algorithm chip U4 are connected with a power ground, a clock end of the heart rate algorithm chip U4 is connected with one end of a ninth resistor R9 and a communication clock end of a first wiring row J1IIC, the other end of the ninth resistor R9 is connected with a heart rate power supply unit U6 power supply output end, a bidirectional data transmission end of the heart rate algorithm chip U4 is connected with one end of a tenth resistor R10 and a bidirectional data transmission end of the first wiring row J1IIC, the other end of a tenth resistor R10 is connected with a power supply output end of the heart rate power supply unit U6, a data sending end of the heart rate algorithm chip U4 is connected with a data receiving end of the first wiring row J1, and a data receiving end of the heart rate algorithm chip U4 is connected with a data sending end of the first wiring row J1.

The battery is connected to the first work end of rhythm of the heart power supply unit U6, the fifth work end of rhythm of the heart power supply unit U6 is the power supply output, rhythm of the heart power supply unit U6 second work end connection power ground, first wiring row J1 enable end is connected to rhythm of the heart power supply unit U6 third work end, the battery is connected to the first work end of first wiring row J1.

A PPG signal processing circuit is arranged between the PPG signal output end of the calculation unit and the PPG signal end of the detection unit, the PPG signal processing circuit comprises a sixteenth resistor R16, one end of the sixteenth resistor R16 is the input end of the PPG signal processing circuit and is connected with the U3PPG end of the heart rate pulse detection chip, one end of a seventeenth resistor R17 and one end of a thirteenth capacitor C13, the other end of the sixteenth resistor R16 is connected with one end of a fifteenth capacitor C15 and the in-phase input end of the first operational amplifier U7A, the other end of the seventeenth resistor R17 is connected with a power ground, the other end of the fifteenth capacitor C15 is connected with the power supply output end of the heart rate power supply unit U6, the other end of the thirteenth capacitor C13 is connected with one end of a fourteenth resistor R14, the other end of the fourteenth resistor R14 is connected with the out-phase input end of the first operational amplifier U7A and one end of the eleventh resistor R11, one end of the twelfth resistor R12 and one end of the eleventh capacitor C11, the other end of the eleventh resistor R11 is connected with the power supply ground, the other end of a twelfth resistor R12 and the other end of an eleventh capacitor C11 are connected to an output end of a first operational amplifier U7A, an output end of the first operational amplifier U7A is connected to one end of a fourteenth capacitor C14, the other end of the fourteenth capacitor C14 is connected to one end of a fifteenth resistor R15, the other end of a fifteenth resistor R15 is connected to an out-of-phase input end of a second operational amplifier U8, one end of a twelfth capacitor C12 and one end of a thirteenth resistor R13, the other end of the twelfth capacitor C12 and the other end of a thirteenth resistor R13 are connected to an output end of a second operational amplifier U8, a non-inverting input end of the second operational amplifier U8 is connected to one end of an eighteenth resistor R18 and one end of a nineteenth resistor R19, the other end of the eighteenth resistor R18 is connected to a power supply output end of a heart rate power supply unit U6, the other end of the nineteenth resistor R19 is connected to a power ground, and an output end of a PPG signal processing circuit U8 is connected to a heart rate algorithm chip U4 PPG.

The model of the first heart rate working chip U2 is JZ11711, and the model of the second heart rate working chip U5 is HRB 6713. The heart rate power supply unit U6 is a patch power supply with the model number of BL919833BA, the model number of the heart rate algorithm chip U4 is SFB9712, the model number of the heart rate blood pressure detection chip U1 is YKB1712, and the model number of the heart rate pulse detection chip U3 is HRB 6708.

Fatigue detection module includes fatigue detection controller U9, tired step-down module, data transmission module U11 and detects the camera, fatigue detection controller U9 detects the signal input part and connects detection camera signal output part, data transmission module U11 signal receiving terminal is connected to tired detection controller U9 signal transmitting terminal, tired step-down module low pressure output is connected to tired detection controller U9 voltage input part, tired step-down module low pressure output is connected to data transmission module U11 voltage input part.

The fatigue voltage reduction module comprises a fatigue voltage reduction chip U10, a high-voltage input end of the fatigue voltage reduction chip U10 is connected with a 12V power supply and one end of a first zero-capacitance C101, the other end of the first zero-capacitance C101 is connected with a power ground, a low-voltage output end of the fatigue voltage reduction chip U10 is connected with one end of a first zero-second capacitance C102 and the anode of a first light-emitting diode D1, the other end of the first zero-second capacitance C102 is connected with the power ground, the cathode of the first light-emitting diode D1 is connected with one end of a first zero-five resistance R105, and the other end of the first zero-five resistance R105 is connected with the power ground.

The data transmission module U11 is a wireless transmission module, transmits the detected fatigue information to the mobile phone/automobile central control system through a wireless transmission technology, and sends out reminding information through the automobile central control system. Specifically, the data transmission module U11 is a patch bluetooth module; the ground end of the data transmission module U11 is connected with a power ground, the thirty-four working end of the data transmission module U11 is connected with one end of a first zero-second resistor R102 and one end of a first zero-third resistor R103, the other end of the first zero-second resistor R102 is connected with the low-voltage output end of the fatigue voltage reduction chip U10, and the other end of the first zero-third resistor R103 is connected with the power ground.

The detection signal input end of the fatigue detection controller U9 is also connected with one end of a first zero resistor R1, the other end of the first zero resistor R1 is connected with the low-voltage output end of a fatigue voltage reduction chip U10, the working voltage input end of the fatigue detection controller U9 is connected with one end of a first zero four resistor R104, the other end of the first zero four resistor R104 is connected with the low-voltage output end of a fatigue voltage reduction chip U10 and one end of a first zero four capacitor C104, and the other end of the first zero four capacitor C104 is connected with the power ground.

The fatigue detection device is characterized by further comprising a data transmission starting and stopping circuit, wherein the data input end of the data transmission starting and stopping circuit is connected with a signal sending end of the fatigue detection controller U9, and the data output end of the data transmission starting and stopping circuit is connected with a signal receiving end of the data transmission module U11.

The data transmission on-off circuit comprises a first zero-second diode D102, the anode of the first zero-second diode D102 is a signal input end of the data transmission on-off circuit, the cathode of the first zero-second diode D102 is connected with one end of a first zero-seventh resistor R107, the other end of the first zero-seventh resistor R107 is connected with one end of a first zero-eighth resistor R108, one end of a first zero-ninth resistor R109 and one end of a first zero-fifth capacitor C105, the other end of the first zero-ninth resistor R109 and the other end of the first zero-fifth capacitor C105 are connected with a power ground, the other end of the first zero-eighth resistor R108 is connected with the anode input end of a voltage comparator U12, the cathode input end of the voltage comparator U12 is connected with one end of a first one-hundred-tenth resistor R110 and one end of a first one-hundred-twelfth resistor R112, the other end of the first one-hundred-tenth resistor R110 is connected with a working voltage input end of a voltage comparator U12, and the other end of the first one-twelfth resistor R112 is connected with the power ground, the output end of the voltage comparator U12 is a data output end of a data transmission start-stop circuit, the output end of the voltage comparator U12 is connected with one end of a first one hundred eleven resistor R111, the other end of the first one hundred eleven resistor R111 is connected with the working voltage input end of the voltage comparator U12, and the ground end of the voltage comparator U12 is connected with a power ground.

The technical scheme also comprises a seat main body, and a massage system is arranged on the seat main body. The massage system comprises an air pump 3, a massage air bag assembly arranged on the front side of a backrest of the seat body, a waist support air bag assembly and a control box 1 arranged on the back side of the backrest of the seat body, the massage air bag assembly comprises eight massage air bags 5, the waist support air bag assembly comprises three waist support air bags 4a, the massage air bags 5 and the waist support air bags 4a are respectively provided with an inflation control valve 6, the air outlet end of the air pump 3 is communicated with the initial end of an air pipe 3a, the tail end of the air pipe 3a is communicated with the air inlet end of the inflation control valve 6, the air outlet end of the inflation control valve 6 is communicated with the air inlet end of the massage air bag 5/waist support air bag 4a, the controlled end of the inflation control valve 6 is connected with an inflation driving output end of the control box 1, and the controlled end of the air pump 3 is connected with the air pump driving output end of the control box 1.

The eight massage air bags 5 are evenly arranged in two rows. And the plurality of massage air bags 5 are divided into six back massage air bags 5b and two shoulder massage air bags 5 a. The two shoulder massage air bags 5a are arranged at left and right sides at intervals, the two shoulder massage air bags 5a are connected together through a connecting strip, and felt buckles are arranged on the left and right sides of the massage air bag strip formed by the two shoulder massage air bags 5 a. Six back massage air bags 5b are positioned below the two shoulder massage air bags 5a, the three back massage air bags 5b positioned in the same row are connected together through a connecting strip, and felt buckles are arranged on the upper side and the lower side of each back massage air bag strip.

Preferably, the upper part of one waist support air bag 4a of the two adjacent waist support air bags 4a is overlapped on the front side of the lower part of the other waist support air bag 4 a; alternatively, the lower portion of one of the lumbar support airbags 4a of the two adjacent lumbar support airbags 4a is superposed on the front side of the upper portion of the other lumbar support airbag 4 a. Two adjacent parts overlap together, can make when aerifing, the part uplift of overlapping is higher, and the both sides uplift is lower, forms natural transition, and the contrast is totally overlapped together, then the waist holds in the palm the gasbag 4a uplift back, is all around hollow state, does not have the support, can't carry out fine bearing to the waist on the contrary.

Preferably, each waist support air bag 4a is provided with a deflation valve 4b, the air inlet end of the deflation valve 4b is communicated with the air outlet end of the inflation control valve 6, and the controlled end of the deflation valve 4b is connected with the air outlet driving output end of the control box 1.

Preferably, the waist support air bag comprises a suspension steel wire 2 for fixing the waist support air bag assembly and the control box 1, and the waist support air bag assembly and the control box 1 are fixed on the seat framework through the suspension steel wire 2. Hang steel wire 2 and include two vertical steel wires, and from last to having the horizontal steel wire of a plurality of to interval distribution down between two vertical steel wires, form latticedly through vertical steel wire and horizontal steel wire.

The waist support air bag assembly further comprises a felt plate 4d, the waist support air bags 4a are fixed on the felt plate 4d, fixed hasps 4e installed on the transverse steel wires are arranged on two sides of the top of the felt plate 4d, the transverse steel wires are bent upwards to form U-shaped protrusions 2a, and the two fixed hasps 4e are located on two sides of the U-shaped protrusions 2a respectively.

Each lumbar support bag 4a is equipped with a muffler 4c, and the muffler 4c is attached to the beginning of the air tube 3 a.

Wherein, the massage air bag 5 and the waist support air bag 4a use the same type of inflation control valve 6. The waist support air bag 4a is additionally provided with a group of air release valves to realize the pressure maintaining function. The air flow is input to the control box by the air pump 3. The air pressure is controlled by the safety valve 3b after passing through the air inflation control valve 6 of the waist support air bag 4a and the air inflation control valve 6 of the massage air bag 5, and the valves are opened after the air inflation control valve 6 of the waist support air bag 4a is electrified. The air flow enters the waist support air bag 4a, and the pressure is maintained after the power is cut off; the valve is opened after the deflation valve is electrified, and the air flow is released by the waist support air bag 4 a.

The valve is opened after the inflation control valve 6 is powered on, the air flow enters the massage air bag 5, and the air flow returns to the inflation control valve 6 from the air bag after the power off and is discharged through the air discharge port.

The body temperature detection sensor is installed on the height adjusting rod 22 of the seat body headrest 21, the body temperature detection sensor comprises an encapsulation box 26 and a body temperature detection module installed in the encapsulation box, the body temperature detection module is a non-contact body temperature detection module, a detection hole 23 is formed in the encapsulation box 26, a detection probe of the body temperature detection module extends out of the detection hole 23 in the detection hole, and a wiring hole 25 is formed in the encapsulation box 26. Preferably, the enclosure 26 includes a front cover 26a and a rear shell 26b, the detection hole 23 is disposed on the front cover 26a, the wire-passing hole 25 is disposed on a lower sidewall of the rear shell 26b, and a plurality of fixing posts 4 for fixing the body temperature detection module are disposed inside the rear shell 26 b.

Preferably, the length of the detection probe extending out of the detection hole 23 is in the range of 5mm to 10 mm.

Preferably, a positioning block 26c matched with the opening aperture of the rear shell 26b is protruded backwards from the rear side of the front cover 26a, and the front cover 26a is clamped on the rear shell 26b through the positioning block 26 c.

The body temperature detection module comprises a temperature control chip U13, a body temperature detection sensor MPL1 and a temperature voltage reduction circuit.

The clock signal end of the temperature control chip U13 is connected to the clock signal end of the body temperature detection sensor MPL1 and one end of a second hundred-zero four-resistor R204, the other end of the second hundred-zero four-resistor R204 is connected to the working voltage input end of the body temperature detection sensor MPL1, the signal output end of the body temperature detection sensor MPL1 is connected to the signal input end of the temperature control chip U13 and one end of a second hundred-zero five-resistor R205, the other end of the second hundred-zero five-resistor R205 is connected to the working voltage input end of the body temperature detection sensor MPL1, the working voltage input end of the body temperature detection sensor MPL1 is connected to one end of a second hundred-zero seven resistor R207 and one end of a second hundred-zero eight resistor R208, the other end of the second hundred-zero seven resistor R207 is connected to the high voltage input end of the temperature voltage reduction circuit, and the other end of the second hundred-zero eight resistor R208 is connected to the low voltage output end of the temperature reduction circuit.

The leading end of the temperature control chip U13 is connected with one end of a second hundred zero resistor R201, the other end of the second hundred zero resistor R201 is connected with a power ground, the reset end of the temperature control chip U13 is connected with one end of a second hundred zero capacitor C201 and one end of a second hundred zero resistor R202, the other end of the second hundred zero capacitor C201 is connected with the power ground, the other end of the second hundred zero resistor R202 is connected with the low-voltage output end of a temperature step-down circuit, the switching clock end of the temperature control chip U13 is connected with the fourth working end of a first connector P1, the input/output end of the temperature control chip U13 is connected with the second working end of a first connector P1, the first working end of the first connector P1 is connected with the low-voltage output end of the temperature step-down circuit, the third working end of the first connector P1 is connected with the power ground, and the fifth working end of the first connector P1 is connected with the reset end of the temperature control chip U13; the temperature control chip U13 data sending end connects second connector P2 data receiving end, temperature control chip U13 data receiving end connects second connector P2 data sending end, body temperature detection sensor MPL1 clock signal end connects second connector P2 sixth work end, body temperature detection sensor MPL1 signal output part connects fifth work end of second connector P2, and second connector P2 second work end connects power ground, and the first work end of second connector P2 connects temperature step-down circuit high voltage input end, sends temperature control chip U13's operation information to other controllers through first connector P2, sends the body temperature data that detect to other controllers through second connector P2.

The temperature step-down circuit comprises a temperature step-down chip U14, wherein a high-voltage input end of the temperature step-down chip U14 is connected with 5V voltage, one end of a second hundred-zero four-capacitor C204 and one end of a second hundred-zero six-resistor R206, the other end of the second hundred-zero six-resistor R206 is connected with the anode of a first light-emitting diode LED1, the cathode of the first light-emitting diode LED1, the other end of the second hundred-zero four-capacitor C204 and the grounding end of the temperature step-down chip U14 are all connected with power ground, an enabling end of the temperature step-down chip U14 is connected with 5V voltage, a low-voltage output end of the temperature step-down chip U14 is connected with one end of a second hundred-five-zero capacitor C205 and one end of a second hundred-zero six-capacitor C206, and the other end of the second hundred-zero five-capacitor C205 and the other end of the second hundred-zero six-capacitor C206 are all connected with power ground.

The ventilation heating module comprises a heating module, a temperature adjusting module 40, a temperature detecting module 39, a temperature control module U15, a ventilation adjusting module 38 and a ventilation module. The heating signal input end of the heating module is connected with the heating signal output end of the control module U15, and the signal output end of the temperature detection module 39 is connected with the temperature detection signal input end of the control module U15. The signal input end of the temperature control module U15 is connected with the temperature control signal output end of the control module U15, and the signal output end of the temperature adjusting module 40 is connected with the temperature adjusting signal input end of the control module U15. The signal output end of the ventilation adjusting module 38 is connected with the ventilation adjusting signal input end of the control module U15, and the signal input end of the ventilation module is connected with the ventilation output end of the control module U15. The control module U15 is connected to the transceiver of the wireless communication module 41, preferably, the wireless communication module is a bluetooth module or a WIFI module, which is connected to a mobile phone/tablet for controlling heating and ventilation.

The heating module comprises a cushion heater 33 and a backrest heater 35 which are respectively arranged on the cushion and the backrest, and the temperature control module U15 comprises a cushion temperature controller 32 and a backrest temperature controller 34;

the heating output end of the cushion of the control module U15 is connected with one end of a cushion temperature controller 32, the other end of the cushion temperature controller 32 is connected with the driving signal input end of a cushion heater 33, and the driving signal output end of the cushion heater 33 is connected with a power ground; the control module U15 is connected with one end of the backrest temperature controller 34, the other end of the backrest temperature controller 34 is connected with the driving signal input end of the backrest heater 35, and the driving signal output end of the backrest heater 35 is connected with the power ground.

The temperature detection module 39 comprises a cushion detection circuit and a backrest detection circuit, wherein the cushion detection circuit and the backrest detection circuit both comprise a temperature sensor U21, the signal output end of the temperature sensor U21 is connected with the second end of the thirty-first line bank J31 and one end of a thirty-first resistor R31, the other end of the thirty-first resistor R31 is connected with the working voltage input end of the temperature sensor U21, the working voltage input end of the temperature sensor U21 is connected with the working power supply end of the power supply module, the first end of the thirty-first line bank J31 and one end of a thirty-first capacitor C31, and the third end of the thirty-first line bank J31 and the other end of the thirty-first capacitor C31 are connected with the power ground. The temperature sensor U21 is a temperature and humidity detection chip integrating temperature and humidity detection, and the model of the temperature sensor U21 is DHT11/AM 2302.

The thirty-first wiring row J31 of the seat cushion detection circuit is connected with the seat cushion temperature signal input end of the control module U15, the thirty-first wiring row J31 of the backrest detection circuit is connected with the backrest temperature signal input end of the control module U15, and the seat cushion and the backrest of the automobile seat are both provided with sensor detection points.

The starting signal input end of the control module U15 is connected with the starting signal output end of the automobile and the positive end of the ventilation adjusting module 38, the negative end of the indicator lamp of the ventilation adjusting module 38 is connected with the signal input end of the fan indicator lamp of the control module U15, and the switching signal output end of the ventilation adjusting module 38 is connected with the switching signal input end of the fan of the control module U15;

the second switch signal input end of the control module U15 is connected with the switch signal output end of the temperature adjusting module 40, the signal input end of the control module U15 heater indicator light is connected with the signal output end of the temperature adjusting module 40 indicator light, and the battery monitoring input end of the control module U15 is connected with the signal output end of the heating module power supply module.

The ventilation module comprises a seat cushion fan 7 and a backrest fan 36 which are respectively arranged on a seat cushion and a backrest, the seat cushion ventilation driving signal output end of the control module U15 is connected with the driving signal input end of the seat cushion fan 37, and the backrest ventilation driving signal output end of the control module U15 is connected with the driving signal input end of the backrest fan 36.

PWM pulse width modulation signals are output by the control module U15 backrest ventilation driving signal output end, the control module U15 cushion ventilation driving signal output end, the backrest heating output end and the cushion heating output end.

The control module U15 backrest ventilation driving signal output end and the control module U15 cushion ventilation driving signal output end output a class of PWM (pulse width modulation) signals, the backrest heating output end and the cushion heating output end output another class of PWM signals, and the two classes of PWM signals are respectively and independently controlled and output;

the temperature adjusting module 40 has three-gear adjusting functions of middle-gear, high-gear and low-gear, wherein the pulse width modulation duty ratio of the high gear of the backrest heater 35 and the cushion heater 33 is 95%, the pulse width modulation duty ratio of the middle gear is 75%, and the pulse width modulation duty ratio of the low gear is 45%.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A control method of a seat for an intelligent vehicle is characterized by comprising the following steps: the method comprises the following steps:

s1: initializing a system;

s3: collecting primary temperature and humidity;

s5: simultaneously performing step S6, step S7, and step S9;

s6: entering a background running state;

step S1 further includes:

s1-1: setting a timing duration;

step S2 further includes:

step S10 further includes:

s10-5: execution continues with S6.

2. The intelligent vehicle seat control method according to claim 1, wherein: step S3 further includes:

3. The intelligent vehicle seat control method according to claim 1, wherein: step S4 further includes:

4. The intelligent vehicle seat control method according to claim 1, wherein: step S6 further includes:

5. The intelligent vehicle seat control method according to claim 1, wherein: step S8 further includes:

s8-5: execution continues with S6.

6. The intelligent vehicle seat control method according to claim 1, wherein: step S7 is prioritized over step S9.