Intelligent vehicle seat

Abstract

The present invention proposes an intelligent vehicle seat, comprising a control module, wherein a posture detection input end of the control module is connected to an output end of the posture detection module, a posture alarm output end of the control module is connected to an input end of the posture alarm module, a temperature detection signal input end of the control module is connected to an output end of the temperature detection module, a humidity detection signal input end of the control module is connected to an output end of the humidity detection module, a ventilation and heating output end of the control module is connected to an input end of a ventilation and heating drive module, a massage output end of the control module is connected to an output end of a massage module, a heart rate detection signal input end of the control module is connected to an output end of a heart rate and blood pressure detection module, a fatigue detection signal input end of the control module is connected to an output end of the fatigue detection module, and a body temperature detection signal input end of the control module is connected to a body temperature detection signal output end of a body temperature detection sensor.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile seats, and in particular to an intelligent automobile seat. Background Art

[0002] With the improvement of people's living standards, cars are becoming an indispensable means of transportation in people's lives. In many cases, drivers have to drive cars for a long time, so the requirements for the comfort of car seats are constantly increasing. Although electric massage seats have been added to current car seats, their functions are limited to massage functions, which are relatively few and cannot detect the current driving status of the driver. In addition, there is a lack of a control system, and the control method is also a simple on and off massage function. Summary of the invention

[0003] The present invention aims to at least solve the technical problems existing in the prior art, and in particular innovatively proposes an intelligent vehicle seat.

[0004] In order to achieve the above-mentioned purpose of the present invention, the present invention provides an intelligent vehicle seat, including a control module, wherein the posture detection input end of the control module is connected to the output end of the posture detection module, the posture alarm output end of the control module is connected to the input end of the posture alarm module, the temperature detection signal input end of the control module is connected to the output end of the temperature detection module, the humidity detection signal input end of the control module is connected to the output end of the humidity detection module, the ventilation and heating output end of the control module is connected to the input end of the ventilation and heating drive module, the massage output end of the control module is connected to the output end of the massage module, the heart rate detection signal input end of the control module is connected to the output end of the heart rate and blood pressure detection module, the fatigue detection signal input end of the control module is connected to the output end of the fatigue detection module, and the body temperature detection signal input end of the control module is connected to the body temperature detection signal output end of the body temperature detection sensor.

[0005] In the above scheme: it also includes a power module, the power module includes a first connector, the power supply is connected through the first connector, the first end of the first connector is connected to one end of the first button, the second end of the first connector is connected to the power ground, and the other end of the first button is connected to the high-voltage input end of the first buck circuit and the high-voltage input end of the second buck circuit;

[0006] The low voltage output ends of the first buck circuit and the second buck circuit output 5V voltage and 3.3V voltage respectively. The first buck circuit and the second buck circuit both include a buck. The high voltage input end of the buck is connected to the other end of the first button and one end of the third capacitor. The other end of the third capacitor and the ground end of the buck are both connected to the power ground. The high side gate of the buck is connected to one end of the first capacitor. The other end of the first capacitor is connected to the high side source of the buck, the cathode of the first diode and one end of the first inductor. The other end of the first inductor is connected to one end of the second capacitor, one end of the third resistor and one end of the fourth resistor. The anode of the first diode and the other end of the second capacitor are both connected to the power ground. The other end of the first inductor is the low voltage output end. The other end of the third resistor is connected to one end of the first chip resistor and the feedback voltage end of the buck. The other end of the first chip resistor is connected to the power ground and the cathode of the second light-emitting diode. The anode of the second light-emitting diode is connected to the other end of the fourth resistor.

[0007] In the above scheme: the fatigue detection signal input end of the control module is connected to the signal output end of the wireless receiving module, the output end of the fatigue detection module is connected to the signal input end of the wireless sending module, and data transmission is performed through the wireless receiving module and the wireless sending module.

[0008] In the above scheme: the wireless receiving module and the wireless sending module are both Bluetooth transmission modules, the fatigue detection module is installed on the center console of the car, and the power input end of the fatigue detection module is connected to the power output end of the car.

[0009] In the above scheme: the temperature detection module and the humidity detection module are an integrated temperature sensor, the signal output end of the temperature and humidity detection module is connected to the second end of the thirty-first terminal block and one end of the thirty-first resistor, the other end of the thirty-first resistor is connected to the working voltage input end of the temperature and humidity detection module, the working voltage input end of the temperature and humidity detection module is connected to the first end of the thirty-first terminal block and one end of the thirty-first capacitor, and the third end of the thirty-first terminal block and the other end of the thirty-first capacitor are both connected to the power ground.

[0010] In the above scheme: the body pressure distribution detection module includes four sitting posture detection chips, and the four sitting posture detection chips are respectively a main detection chip, a left detection chip, a right detection chip and a front detection chip. The left detection chip, the right detection chip and the front detection chip are respectively distributed on the left side, the right side and the front side of the main detection chip, and the signal output ends of the left detection chip, the right detection chip and the front detection chip are all connected to the signal receiving end of the main detection chip with a socket, and the signal output end of the main detection chip is connected to the posture detection input end of the control module.

[0011] In the above scheme: the heart rate and blood pressure monitoring module includes a detection unit, a calculation unit and a heart rate power supply unit, the detection unit is installed on the right or left armrest of the seat, the detection signal output end of the detection unit is connected to the input end of the calculation unit, the driving output end of the calculation unit is connected to the driving input end of the detection unit, and the PPG signal end of the calculation unit is connected to the PPG signal end of the detection unit;

[0012] The detection unit includes a heart rate and blood pressure detection chip, a heart rate and pulse detection chip and a heart rate second working chip; the calculation unit includes a heart rate algorithm chip and a heart rate first working chip.

[0013] In the above scheme: the body temperature detection sensor is installed on the height adjustment rod of the headrest of the seat body, the body temperature detection sensor includes a packaging box and a body temperature detection circuit board installed in the packaging box, the body temperature detection sensor is a non-contact body temperature detection sensor, the packaging box is provided with a detection hole, and the packaging box is provided with a wiring hole;

[0014] The packaging box comprises a front cover and a rear shell, the detection hole is arranged on the front cover, the wiring hole is arranged on the lower side wall of the rear shell, and a plurality of fixing piles for fixing the body temperature detection circuit board are arranged inside the rear shell.

[0015] In the above scheme: the input end of the first crystal oscillator circuit of the control module is connected to the output end of the first crystal oscillator and one end of the 407th capacitor, the output end of the first crystal oscillator circuit of the control module is connected to the input end of the first crystal oscillator and one end of the 408th capacitor, and the other end of the 407th capacitor and the other end of the 408th capacitor are both connected to the power ground;

[0016] The input end of the second crystal oscillator circuit of the control module is connected to the output end of the second crystal oscillator, one end of the 409th capacitor and one end of the 411th resistor, the output end of the second crystal oscillator circuit of the control module is connected to the input end of the second crystal oscillator, one end of the 4010th capacitor and the other end of the 411th resistor, and the other end of the 409th capacitor and the other end of the 4010th capacitor are both connected to the power ground.

[0017] In the above scheme: the reset end of the control module is connected to one end of the 418th resistor, one end of the second switch and one end of the 417th capacitor, and the other end of the second switch and the other end of the 417th capacitor are both connected to the power ground.

[0018] To sum up, due to the adoption of the above-mentioned technical scheme, the beneficial effects of the present invention are: it can realize seat ventilation, heat dissipation and heating, improve driving comfort, and at the same time can also detect some basic physiological indicators of the human body during driving, which can avoid traffic accidents to a certain extent and ensure the safety of people and vehicles.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 is a system diagram of the present invention;

[0022] Figure 2 is a circuit diagram of a control module of the present invention;

[0023] Figure 3 is a system diagram of the power module of the present invention;

[0024] Figure 4 is a circuit diagram of a first step-down circuit of the present invention;

[0025] Figure 5 It is a system diagram of the heart rate and blood pressure detection module and the control module of the present invention;

[0026] Figure 6 is a circuit diagram of a detection unit of the present invention;

[0027] Figure 7 is a circuit diagram of a computing unit of the present invention;

[0028] Figure 8 is a circuit diagram of a PPG signal processing circuit of the present invention;

[0029] Fig. 9 is a circuit diagram of a heart rate power supply unit of the present invention;

[0030] Fig.10 is a system diagram of the fatigue detection module of the present invention;

[0031] Fig.11 This is a circuit diagram of a fatigue detection controller of the present invention;

[0032] Fig.12 This is the circuit diagram of the fatigue voltage reduction module of the present invention;

[0033] Fig.13 It is a circuit diagram of the data transmission on-off circuit of the present invention;

[0034] Fig.14 It is a circuit diagram of a data transmission module of the present invention;

[0035] Fig.15 is a schematic diagram of a massage airbag assembly of the present invention;

[0036] Fig.16is a schematic diagram of a lumbar support airbag assembly of the present invention;

[0037] Fig.17 It is the control electrical diagram of the massage airbag and the lumbar support airbag of the present invention;

[0038] Fig.18 It is a schematic diagram of the installation of the waist support airbag assembly and the suspension wire of the present invention;

[0039] Fig.19 yes Fig.18 Rear view of

[0040] Fig. 20 It is a schematic diagram of the installation of the temperature detection module of the present invention;

[0041] Fig.21 is an exploded view of a packaging box of a temperature detection module of the present invention;

[0042] Fig. 22 is an exploded view of a packaging box of a temperature detection module of the present invention;

[0043] Fig.23 is a circuit diagram of the temperature control chip of the present invention;

[0044] Fig.24 is a circuit diagram of a temperature-reducing circuit of the present invention;

[0045] Fig.25 The circuit diagram of the temperature detection sensor of the present invention is

[0046] Fig.26 is a system schematic diagram of the ventilation module of the present invention;

[0047] Fig. 27 A circuit diagram of the ventilation module of the present invention;

[0048] Fig.28 is a circuit diagram of a seat cushion detection circuit of the present invention;

[0049] Fig.29 It is a schematic diagram of the body pressure distribution detection module of the present invention. DETAILED DESCRIPTION

[0050] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0051] like Figure 1-Figure 29As shown, an intelligent vehicle seat includes a control module U15, wherein a posture detection input end of the control module U15 is connected to an output end of the posture detection module, a posture alarm output end of the control module U15 is connected to an input end of the posture alarm module, a temperature detection signal input end of the control module U15 is connected to an output end of the temperature detection module, a humidity detection signal input end of the control module U15 is connected to an output end of the humidity detection module, a ventilation and heating output end of the control module U15 is connected to an input end of a ventilation and heating drive module, a massage output end of the control module U15 is connected to an output end of a massage module, a heart rate detection signal input end of the control module U15 is connected to an output end of a heart rate and blood pressure detection module, a fatigue detection signal input end of the control module U15 is connected to an output end of the fatigue detection module, and a body temperature detection signal input end of the control module U15 is connected to a body temperature detection signal output end of a body temperature detection sensor.

[0052] In the above scheme: it also includes a power module, the power module includes a first connector H1, the power supply is connected through the first connector H1, the first end of the first connector H1 is connected to one end of the first button S1, the second end of the first connector H1 is connected to the power ground, and the other end of the first button S1 is connected to the high-voltage input end of the first buck circuit and the high-voltage input end of the second buck circuit;

[0053] The low voltage output ends of the first buck circuit and the second buck circuit output 5V voltage and 3.3V voltage respectively. The first buck circuit and the second buck circuit both include a buck TPS1. The high voltage input end of the buck TPS1 is connected to the other end of the first button S1 and one end of the third capacitor C3. The other end of the third capacitor C3 and the ground end of the buck TPS1 are both connected to the power ground. The high side gate of the buck TPS1 is connected to one end of the first capacitor C1. The other end of the first capacitor C1 is connected to the high side source of the buck TPS1, the cathode of the first diode D1 and the first One end of the inductor L1, the other end of the first inductor L1 is connected to one end of the second capacitor C2, one end of the third resistor R3 and one end of the fourth resistor R4, the positive electrode of the first diode D1 and the other end of the second capacitor C2 are both connected to the power ground, the other end of the first inductor L1 is the low-voltage output end, the other end of the third resistor R3 is connected to one end of the first chip resistor Res1 and the feedback voltage end of the buck TPS1, the other end of the first chip resistor Res1 is connected to the power ground and the negative electrode of the second light-emitting diode D2, and the positive electrode of the second light-emitting diode D2 is connected to the other end of the fourth resistor R4.

[0054] In the above scheme: the fatigue detection signal input end of the control module U3 is connected to the signal output end of the wireless receiving module, and the output end of the fatigue detection module is connected to the signal input end of the wireless sending module, and data transmission is performed through the wireless receiving module and the wireless sending module.

[0055] In the above scheme: the wireless receiving module and the wireless sending module are both Bluetooth transmission modules, the fatigue detection module is installed on the center console of the car, and the power input end of the fatigue detection module is connected to the power output end of the car.

[0056] In the above scheme: the temperature detection module and the humidity detection module are an integrated temperature sensor U21, the signal output end of the temperature and humidity detection module is connected to the second end of the thirty-first wiring row J31 and one end of the thirty-first resistor R31, the other end of the thirty-first resistor R31 is connected to the working voltage input end of the temperature and humidity detection module, the working voltage input end of the temperature and humidity detection module is connected to the first end of the thirty-first wiring row J31 and one end of the thirty-first capacitor C31, and the third end of the thirty-first wiring row J31 and the other end of the thirty-first capacitor C31 are both connected to the power ground.

[0057] In the above scheme: the body pressure distribution detection module includes four sitting posture detection chips, and 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, and the signal output ends of the left detection chip ZZ2, the right detection chip ZZ3 and the front detection chip ZZ4 are all connected to the signal receiving end of the main detection chip ZZ1 with a socket, and the signal output end of the main detection chip ZZ1 is connected to the posture detection input end of the control module U15.

[0058] In the above scheme: the heart rate and blood pressure monitoring module includes a detection unit, a calculation unit and a heart rate power supply unit U6, the detection unit is installed on the right or left armrest of the seat, the detection signal output end of the detection unit is connected to the input end of the calculation unit, the driving output end of the calculation unit is connected to the driving input end of the detection unit, and the PPG signal end of the calculation unit is connected to the PPG signal end of the detection unit;

[0059] The detection unit includes 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 calculation unit includes a heart rate algorithm chip U4 and a heart rate first working chip U2.

[0060] In the above scheme: the body temperature detection sensor is installed on the height adjustment rod 22 of the seat body headrest 21, the body temperature detection sensor includes a packaging box 26 and a body temperature detection circuit board installed in the packaging box, the body temperature detection sensor is a non-contact body temperature detection sensor, the packaging box 26 is provided with a detection hole 23, and the packaging box 26 is provided with a wiring hole 25;

[0061] The packaging box 26 includes a front cover 26a and a rear shell 26b, the detection hole 23 is arranged on the front cover 26a, the wiring 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 26b.

[0062] In the above scheme: the input end of the first crystal oscillator circuit of the control module U15 is connected to the output end of the first crystal oscillator Y1 and one end of the 407th capacitor C407, the output end of the first crystal oscillator circuit of the control module U15 is connected to the input end of the first crystal oscillator Y1 and one end of the 408th capacitor C408, and the other end of the 407th capacitor C407 and the other end of the 408th capacitor C408 are both connected to the power ground;

[0063] The input end of the second crystal oscillator circuit of the control module U15 is connected to the output end of the second crystal oscillator Y2, one end of the 409th capacitor C409 and one end of the 411th resistor R411, the output end of the second crystal oscillator circuit of the control module U15 is connected to the input end of the second crystal oscillator Y2, one end of the 401th capacitor C4010 and the other end of the 411th resistor R411, and the other end of the 409th capacitor C409 and the other end of the 4010th capacitor C4010 are both connected to the power ground.

[0064] In the above scheme: the reset end of the control module U15 is connected to one end of the 418th resistor R418, one end of the second switch S2 and one end of the 417th capacitor C417, and the other end of the second switch S2 and the other end of the 417th capacitor C417 are both connected to the power ground.

[0065] The heart rate and blood pressure monitoring module includes a detection unit, a calculation unit and a heart rate power supply unit U6. The detection unit is installed on the right or left armrest of the seat. The detection signal output end of the detection unit is connected to the input end of the calculation unit, the drive output end of the calculation unit is connected to the drive input end of the detection unit, and the PPG signal end of the calculation unit is connected to the PPG signal end of the detection unit.

[0066] The detection unit includes 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 the detection unit drive input end, the second working end of the heart rate second working chip U5 is connected to the power ground, the third working end of the heart rate second working chip U5 is connected to one end of the eighth capacitor C8 and one end of the fifteenth resistor R15, the other end of the eighth capacitor C8 and the other end of the fifteenth resistor R15 are connected to the 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 to the power supply output end of the heart rate power supply unit U6;

[0067] The output end of the second working chip U5 of the heart rate is connected to one end of the fourteenth resistor R14, and the other end of the fourteenth resistor R14 is connected to the cathode of the heart rate and blood pressure detection chip U1LED. The working voltage end of the heart rate and blood pressure detection chip U1 is connected to the power supply output end of the heart rate power supply unit U6. The positive pole of the first LED of the heart rate and blood pressure detection chip U1 is connected to one end of the first resistor R1, and the positive pole of the second LED of the heart rate and blood pressure detection chip U1 is connected to one end of the second resistor R2. The other end of the first resistor R1 and the other end of the second resistor R2 are both connected to the power supply output end of the heart rate power supply unit U6. The ground end of the heart rate and blood pressure detection chip U1 is connected to the power ground, and the output end of the heart rate and blood pressure detection chip U1 is connected to one end of the fourth resistor R4, one end of the third resistor R3, and one end of the second capacitor C2. The other end of the third resistor R3 is connected to the power ground, the other end of the fourth resistor R4 is connected to one end of the first capacitor C1 and the first working end of the heart rate and pulse detection chip U3, the other end of the first capacitor C1 is connected to the power supply output end of the heart rate power supply unit U6, the other end of the second capacitor C2 is connected to one end of the fifth resistor R5, the other end of the fifth resistor R5 is connected to the third working end of the heart rate power supply unit U6, one end of the sixth resistor R6 and one end of the third capacitor C3, the other end of the sixth resistor R6 and the other end of the third capacitor C3 are connected to the output end of the heart rate and pulse detection chip U3, the output end of the heart rate and pulse detection chip U3 is the detection unit PPG signal end, and the working voltage end of the heart rate and pulse detection chip U3 is connected to the power supply output end of the heart rate power supply unit U6.

[0068] The calculation unit includes 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 to one end of the eighth resistor R8 and one end of the fourth capacitor C4, the other end of the eighth resistor R8 is connected to the power supply output end of the heart rate power supply unit U6, the other end of the fourth capacitor C4 is connected to the power supply ground, the heart rate algorithm chip U4IIC communication key chip select signal end is connected to the heart rate first working chip U2IIC communication key chip select signal end, the heart rate algorithm chip U4IIC communication key clock end is connected to the heart rate first working chip U2IIC communication key clock end, the heart rate algorithm chip U4IIC communication key second bidirectional data end is connected to the heart rate first working chip U2IIC communication key second bidirectional data end, the heart rate algorithm chip U4IIC communication first bidirectional data end is connected to the heart rate first working chip U2IIC communication key first bidirectional data end, the heart rate first working chip U2 ground end is connected to the power supply ground, and the heart rate first working chip U2 ground end is connected to the power supply ground. The working voltage input end of the chip U2 is connected to the power supply output end of the heart rate power supply unit U6, the working voltage input end of the heart rate algorithm chip U4 is connected to the power supply output end of the heart rate power supply unit U6 and one end of the fifth capacitor C5, the other end of the fifth capacitor C5 and the common ground end of the heart rate algorithm chip U4 are connected to the power ground, the clock end of the heart rate algorithm chip U4 is connected to one end of the ninth resistor R9 and the communication clock end of the first wiring row J1IIC, the other end of the ninth resistor R9 is connected to the power supply output end of the heart rate power supply unit U6, the bidirectional data transmission end of the heart rate algorithm chip U4 is connected to one end of the tenth resistor R10 and the bidirectional data transmission end of the first wiring row J1IIC, the other end of the tenth resistor R10 is connected to the power supply output end of the heart rate power supply unit U6, the data sending end of the heart rate algorithm chip U4 is connected to the data receiving end of the first wiring row J1, and the data receiving end of the heart rate algorithm chip U4 is connected to the data sending end of the first wiring row J1.

[0069] The first working end of the heart rate power supply unit U6 is connected to the battery, the fifth working end of the heart rate power supply unit U6 is the power output end, the second working end of the heart rate power supply unit U6 is connected to the power ground, the third working end of the heart rate power supply unit U6 is connected to the enable end of the first wiring block J1, and the first working end of the first wiring block J1 is connected to the battery.

[0070] A PPG signal processing circuit is provided between the PPG signal output end of the calculation unit and the PPG signal end of the detection unit. The PPG signal processing circuit includes a sixteenth resistor R16, one end of the sixteenth resistor R16 is the input end of the PPG signal processing circuit, connected to the ppg end of the heart rate and pulse detection chip U3, one end of the seventeenth resistor R17 and one end of the thirteenth capacitor C13, the other end of the sixteenth resistor R16 is connected to one end of the 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 to the power ground, the other end of the fifteenth capacitor C15 is connected to the power supply output end of the heart rate power supply unit U6, the other end of the thirteenth capacitor C13 is connected to one end of the fourteenth resistor R14, the other end of the fourteenth resistor R14 is connected to the out-of-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 The other end of the eleventh resistor R11 is connected to the power ground, the other end of the twelfth resistor R12 and the other end of the eleventh capacitor C11 are connected to the output end of the first operational amplifier U7A, the output end of the first operational amplifier U7A is connected to one end of the fourteenth capacitor C14, the other end of the fourteenth capacitor C14 is connected to one end of the fifteenth resistor R15, the other end of the fifteenth resistor R15 is connected to the out-of-phase input end of the second operational amplifier U8, one end of the twelfth capacitor C12 and one end of the thirteenth resistor R13, the other end of the twelfth capacitor C12 and the other end of the thirteenth resistor R13 are connected to the output end of the second operational amplifier U8, the in-phase input end of the second operational amplifier U8 is connected to one end of the eighteenth resistor R18 and one end of the nineteenth resistor R19, the other end of the eighteenth resistor R18 is connected to the power supply output end of the heart rate power supply unit U6, the other end of the nineteenth resistor R19 is connected to the power ground, the output end of the second operational amplifier U8 is the output end of the PPG signal processing circuit, and is connected to the ppg end of the heart rate algorithm chip U4.

[0071] Among them, the model of the first heart rate working chip U2 is JZ11711, the model of the second heart rate working chip U5 is HRB6713. The heart rate power supply unit U6 is a chip power supply with the model BL919833BA, the model of the heart rate algorithm chip U4 is SFB9712, the model of the heart rate and blood pressure detection chip U1 is YKB1712, and the model of the heart rate and pulse detection chip U3 is HRB6708.

[0072] The fatigue detection module includes a fatigue detection controller U9, a fatigue voltage reduction module, a data transmission module U11 and a detection camera. The detection signal input end of the fatigue detection controller U9 is connected to the signal output end of the detection camera, the signal sending end of the fatigue detection controller U9 is connected to the signal receiving end of the data transmission module U11, the voltage input end of the fatigue detection controller U9 is connected to the low-voltage output end of the fatigue voltage reduction module, and the voltage input end of the data transmission module U11 is connected to the low-voltage output end of the fatigue voltage reduction module.

[0073] The fatigue buck module includes a fatigue buck chip U10, a high-voltage input end of the fatigue buck chip U10 is connected to a 12V power supply and one end of the one-hundred-and-first capacitor C101, the other end of the one-hundred-and-first capacitor C101 is connected to a power ground, a low-voltage output end of the fatigue buck chip U10 is connected to one end of the one-hundred-and-second capacitor C102 and the positive electrode of the first light-emitting diode D1, the other end of the one-hundred-and-second capacitor C102 is connected to the power ground, the negative electrode of the first light-emitting diode D1 is connected to one end of the one-hundred-and-fifth resistor R105, and the other end of the one-hundred-and-fifth resistor R105 is connected to the power ground.

[0074] The data transmission module U11 is a wireless transmission module, which sends the detected fatigue information to the mobile phone / car central control system through wireless transmission technology, and issues a reminder message through the car 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 to the power ground, the thirty-fourth working end of the data transmission module U11 is connected to one end of the 102nd resistor R102 and one end of the 103rd resistor R103, the other end of the 102nd resistor R102 is connected to the low-voltage output end of the fatigue buck chip U10, and the other end of the 103rd resistor R103 is connected to the power ground.

[0075] The detection signal input end of the fatigue detection controller U9 is also connected to one end of the 101st resistor R1, the other end of the 101st resistor R1 is connected to the low-voltage output end of the fatigue step-down chip U10, the working voltage input end of the fatigue detection controller U9 is connected to one end of the 104th resistor R104, the other end of the 104th resistor R104 is connected to the low-voltage output end of the fatigue step-down chip U10 and one end of the 104th capacitor C104, and the other end of the 104th capacitor C104 is connected to the power ground.

[0076] It also includes a data transmission on-off circuit, wherein the data input end of the data transmission on-off circuit is connected to the signal sending end of the fatigue detection controller U9, and the data output end of the data transmission on-off circuit is connected to the signal receiving end of the data transmission module U11.

[0077] The data transmission on-off circuit comprises a one-hundred-second diode D102, wherein the anode of the one-hundred-second diode D102 is the signal input terminal of the data transmission on-off circuit, the cathode of the one-hundred-second diode D102 is connected to one end of the one-hundred-seventh resistor R107, the other end of the one-hundred-seventh resistor R107 is connected to one end of the one-hundred-eighth resistor R108, one end of the one-hundred-ninth resistor R109 and one end of the one-hundred-fifth capacitor C105, the other end of the one-hundred-ninth resistor R109 and the other end of the one-hundred-fifth capacitor C105 are connected to the power ground, and the other end of the one-hundred-eighth resistor R108 is connected to the positive input terminal of the voltage comparator U12. The negative input terminal of the voltage comparator U12 is connected to one end of the 110th resistor R110 and one end of the 112th resistor R112, the other end of the 110th resistor R110 is connected to the working voltage input terminal of the voltage comparator U12, the other end of the 112th resistor R112 is connected to the power ground, the output terminal of the voltage comparator U12 is the data output terminal of the data transmission start and stop circuit, the output terminal of the voltage comparator U12 is connected to one end of the 111th resistor R111, the other end of the 111th resistor R111 is connected to the working voltage input terminal of the voltage comparator U12, and the ground terminal of the voltage comparator U12 is connected to the power ground.

[0078] The technical solution also includes a seat body, on which a massage system is installed. The massage system includes an air pump 3, a massage airbag assembly installed on the front side of the seat body backrest, a lumbar support airbag assembly installed on the back side of the seat body backrest, and a control box 1. The massage airbag assembly includes eight massage airbags 5, and the lumbar support airbag assembly includes three lumbar support airbags 4a. The massage airbags 5 and the lumbar support airbags 4a are both equipped with an inflation control valve 6. The air outlet of the air pump 3 is connected to the beginning of the air pipe 3a, and the end of the air pipe 3a is connected to the air inlet of the inflation control valve 6. The air outlet of the inflation control valve 6 is connected to the air inlet of the massage airbag 5 / lumbar support airbag 4a. The controlled end of the inflation control valve 6 is connected to the inflation drive output end of the control box 1, and the controlled end of the air pump 3 is connected to the air pump drive output end of the control box 1.

[0079] The eight massage airbags 5 are evenly arranged in two rows. And the plurality of massage airbags 5 are divided into six back massage airbags 5b and two shoulder massage airbags 5a. The two shoulder massage airbags 5a are arranged at intervals on the left and right, and the two shoulder massage airbags 5a are connected together by a connecting strip, and the massage airbag strip formed by the two shoulder massage airbags 5a is provided with felt buckles on both sides. The six back massage airbags 5b are located below the two shoulder massage airbags 5a, and the three back massage airbags 5b located in the same row are connected together by a connecting strip, and the two back massage airbag strips are provided with felt buckles on both sides.

[0080] Preferably, the upper part of one of the two adjacent lumbar support airbags 4a is stacked on the front side of the lower part of the other lumbar support airbag 4a; or, the lower part of one of the two adjacent lumbar support airbags 4a is stacked on the front side of the upper part of the other lumbar support airbag 4a. The two adjacent parts overlap, so that when inflated, the overlapping part bulges higher and the two sides bulge lower, forming a natural transition. In contrast, when the lumbar support airbags 4a are completely overlapped, after bulging, they are all hollow around, without support, and cannot provide good support for the waist.

[0081] Preferably, each lumbar support airbag 4a is equipped with an air release valve 4b, the air inlet end of the air release valve 4b is connected to the air outlet end of the inflation control valve 6, and the controlled end of the air release valve 4b is connected to the air release drive output end of the control box 1.

[0082] Preferably, the seat further comprises a suspension wire 2 for fixing the lumbar support airbag assembly and the control box 1, and the lumbar support airbag assembly and the control box 1 are fixed to the seat frame through the suspension wire 2. The suspension wire 2 comprises two vertical wires, and a plurality of horizontal wires are spaced apart from top to bottom between the two vertical wires, and a grid is formed by the vertical wires and the horizontal wires.

[0083] The lumbar support airbag assembly also includes a felt plate 4d, and the lumbar support airbags 4a are fixed on the felt plate 4d. Both sides of the top of the felt plate 4d are provided with fixing buckles 4e installed on the transverse steel wire. The middle part of the transverse steel wire is bent upward to form a U-shaped protrusion 2a, and the two fixing buckles 4e are respectively located on both sides of the U-shaped protrusion 2a.

[0084] Each waist support airbag 4a is equipped with a silencer 4c, which is installed at the beginning of the air pipe 3a.

[0085] The massage airbag 5 and the lumbar support airbag 4a use the same type of inflation control valve 6. The lumbar support airbag 4a is equipped with an additional set of deflation valves to achieve the pressure-maintaining function. The airflow is input to the control box by the air pump 3. After passing through the inflation control valve 6 of the lumbar support airbag 4a and the inflation control valve 6 of the massage airbag 5, the air pressure is controlled by the safety valve 3b. When the inflation control valve 6 of the lumbar support airbag 4a is powered on, the valve opens. The airflow enters the lumbar support airbag 4a and maintains the pressure after the power is turned off. When the deflation valve is powered on, the valve opens and the airflow is released from the lumbar support airbag 4a.

[0086] When the inflation control valve 6 is powered on, the valve opens and air flows into the massage airbag 5. When the power is turned off, the air flows back from the airbag to the inflation control valve 6 and is deflated through the deflation port.

[0087] The body temperature detection sensor is installed on the height adjustment rod 22 of the headrest 21 of the seat body, and the body temperature detection sensor includes a packaging box 26 and a body temperature detection module installed in the packaging box. The body temperature detection module is a non-contact body temperature detection module. The packaging box 26 is provided with a detection hole 23, and the detection probe of the body temperature detection module extends from the detection hole 23 in the detection hole. The packaging box 26 is provided with a wiring hole 25. Preferably, the packaging box 26 includes a front cover 26a and a rear shell 26b, the detection hole 23 is provided on the front cover 26a, the wiring hole 25 is provided on the lower side wall of the rear shell 26b, and a plurality of fixing piles 4 for fixing the body temperature detection module are provided inside the rear shell 26b.

[0088] Preferably, the length of the detection probe extending out of the detection hole 23 is in the range of 5 mm to 10 mm.

[0089] Preferably, a positioning block 26c matching the opening diameter of the rear shell 26b is protruded backwards on the rear side of the front cover 26a, and the front cover 26a is clamped on the rear shell 26b through the positioning block 26c.

[0090] The body temperature detection module includes a temperature control chip U13, a body temperature detection sensor MPL1 and a temperature step-down circuit.

[0091] Among them, 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 the 204th resistor R204, the other end of the 204th 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 the 205th resistor R205, the other end of the 205th 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 the 207th resistor R207 and one end of the 208th resistor R208, the other end of the 207th resistor R207 is connected to the high voltage input end of the temperature step-down circuit, and the other end of the 208th resistor R208 is connected to the low voltage output end of the temperature step-down circuit.

[0092] The guide end of the temperature control chip U13 is connected to one end of the second-hundred-first resistor R201, and the other end of the second-hundred-first resistor R201 is connected to the power ground. The reset end of the temperature control chip U13 is connected to one end of the second-hundred-first capacitor C201 and one end of the second-hundred-second resistor R202, and the other end of the second-hundred-first capacitor C201 is connected to the power ground. The other end of the second-hundred-second resistor R202 is connected to the low-voltage output end of the temperature step-down circuit. The switch clock end of the temperature control chip U13 is connected to the fourth working end of the first connector P1. The input / output end of the temperature control chip U13 is connected to the second working end of the first connector P1. The first working end of the first connector P1 is connected to the low-voltage output end of the temperature step-down circuit. The third working end of the first connector P1 is connected to the power ground. The fifth working end of connector P1 is connected to the reset end of temperature control chip U13; the data sending end of temperature control chip U13 is connected to the data receiving end of second connector P2, the data receiving end of temperature control chip U13 is connected to the data sending end of second connector P2, the clock signal end of body temperature detection sensor MPL1 is connected to the sixth working end of second connector P2, the signal output end of body temperature detection sensor MPL1 is connected to the fifth working end of second connector P2, the second working end of second connector P2 is connected to power ground, the first working end of second connector P2 is connected to the high voltage input end of temperature step-down circuit, the operation information of temperature control chip U13 is sent to other controllers through the first connector P2, the detected body temperature data is sent to other controllers through the second connector P2.

[0093] The temperature step-down circuit includes a temperature step-down chip U14, a high-voltage input end of the temperature step-down chip U14 is connected to a 5V voltage, one end of the 204th capacitor C204 and one end of the 206th resistor R206, the other end of the 206th resistor R206 is connected to the positive electrode of the first light-emitting diode LED1, the negative electrode of the first light-emitting diode LED1, the other end of the 204th capacitor C204 and the ground end of the temperature step-down chip U14 are all connected to a power ground, an enable end of the temperature step-down chip U14 is connected to a 5V voltage, a low-voltage output end of the temperature step-down chip U14 is connected to one end of the 205th capacitor C205 and one end of the 206th capacitor C206, the other end of the 205th capacitor C205 and the other end of the 206th capacitor C206 are all connected to a power ground.

[0094] The ventilation and heating module includes a heating module, a temperature regulating module 40, a temperature detection module 39, a temperature control module U15, a ventilation regulating module 38 and a ventilation module. The heating signal input end of the heating module is connected to the heating signal output end of the control module U15, and the signal output end of the temperature detection module 39 is connected to the temperature detection signal input end of the control module U15. The signal input end of the temperature control module U15 is connected to the temperature control signal output end of the control module U15, and the signal output end of the temperature regulating module 40 is connected to the temperature regulation signal input end of the control module U15. The signal output end of the ventilation regulation module 38 is connected to the ventilation regulation signal input end of the control module U15, and the signal input end of the ventilation module is connected to the ventilation output end of the control module U15. The communication transceiver end of the control module U15 is connected to the transceiver end of the wireless communication module 41, preferably, the wireless communication module is a Bluetooth module or a WIFI module, which is convenient for connecting with a mobile phone / tablet, and heating and ventilation are controlled and regulated by the mobile phone / tablet.

[0095] The heating module includes a seat cushion heater 33 and a backrest heater 35 respectively installed on the seat cushion and the backrest, and the temperature control module U15 includes a seat cushion thermostat 32 and a backrest thermostat 34;

[0096] The seat cushion heating output end of the control module U15 is connected to one end of the seat cushion thermostat 32, the other end of the seat cushion thermostat 32 is connected to the seat cushion heater 33 drive signal input end, and the seat cushion heater 33 drive signal output end is connected to the power ground; the backrest heating output end of the control module U15 is connected to one end of the backrest thermostat 34, the other end of the backrest thermostat 34 is connected to the backrest heater 35 drive signal input end, and the backrest heater 35 drive signal output end is connected to the power ground.

[0097] The temperature detection module 39 includes a cushion detection circuit and a backrest detection circuit, wherein the cushion detection circuit and the backrest detection circuit both include a temperature sensor U21, the signal output end of the temperature sensor U21 is connected to the second end of the thirty-first wiring row J31 and one end of the thirty-first resistor R31, the other end of the thirty-first resistor R31 is connected to the working voltage input end of the temperature sensor U21, the working voltage input end of the temperature sensor U21 is connected to the working power supply end of the power module, the first end of the thirty-first wiring row J31 and one end of the thirty-first capacitor C31, the third end of the thirty-first wiring row J31 and the other end of the thirty-first capacitor C31 are both connected to the power ground. The temperature sensor U21 is a temperature and humidity detection chip that integrates temperature and humidity detection, and the model of the temperature sensor U21 is DHT11 / AM2302.

[0098] Among them, the 31st terminal block J31 of the seat cushion detection circuit is connected to the seat cushion temperature signal input terminal of the control module U15, and the 31st terminal block J31 of the backrest detection circuit is connected to the backrest temperature signal input terminal of the control module U15. Both the seat cushion and the backrest of the car seat are provided with sensor detection points.

[0099] The start signal input terminal of the control module U15 is connected to the vehicle start signal output terminal and the positive terminal of the ventilation adjustment module 38, the negative terminal of the indicator light of the ventilation adjustment module 38 is connected to the fan indicator signal input terminal of the control module U15, and the switch signal output terminal of the ventilation adjustment module 38 is connected to the fan switch signal input terminal of the control module U15;

[0100] The second switch signal input terminal of the control module U15 is connected to the switch signal output terminal of the temperature adjustment module 40, the heater indicator signal input terminal of the control module U15 is connected to the indicator signal output terminal of the temperature adjustment module 40, and the battery monitoring input terminal of the control module U15 is connected to the heating module power supply module signal output terminal.

[0101] The ventilation module includes a seat cushion fan 7 and a backrest fan 36 respectively installed on the seat cushion and the backrest. The seat cushion ventilation drive signal output end of the control module U15 is connected to the seat cushion fan 37 drive signal input end, and the backrest ventilation drive signal output end of the control module U15 is connected to the backrest fan 36 drive signal input end.

[0102] The control module U15 backrest ventilation drive signal output terminal, the control module U15 seat cushion ventilation drive signal output terminal, the backrest heating output terminal and the seat cushion heating output terminal all output PWM pulse width modulation signals.

[0103] The control module U15 backrest ventilation drive signal output terminal and the control module U15 seat cushion ventilation drive signal output terminal output a type of PWM pulse width modulation signal, and the backrest heating output terminal and the seat cushion heating output terminal output another type of PWM pulse width modulation signal, and the two types of PWM pulse width modulation signals are controlled and output separately;

[0104] The temperature adjustment module 40 includes three adjustment functions: medium, high and low. The high-speed pulse width modulation duty cycle of the backrest heater 35 and the seat cushion heater 33 is 95%, the medium-speed pulse width modulation duty cycle is 75%, and the low-speed pulse width modulation duty cycle is 45%.

[0105] It also includes communication Bluetooth, and the communication transceiver of the control module U15 is connected to the communication Bluetooth and connected to the host computer / APP through the communication Bluetooth.

[0106] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An intelligent vehicle seat, characterized in that: It comprises a control module (U15), wherein a posture detection input end of the control module (U15) is connected to an output end of the posture detection module, a posture alarm output end of the control module (U15) is connected to an input end of the posture alarm module, a temperature detection signal input end of the control module (U15) is connected to an output end of the temperature detection module, a humidity detection signal input end of the control module (U15) is connected to an output end of the humidity detection module, a ventilation and heating output end of the control module (U15) is connected to an input end of a ventilation and heating drive module, a massage output end of the control module (U15) is connected to an output end of a massage module, a heart rate detection signal input end of the control module (U15) is connected to an output end of a heart rate and blood pressure detection module, a fatigue detection signal input end of the control module (U15) is connected to an output end of a fatigue detection module, and a body temperature detection signal input end of the control module (U15) is connected to a body temperature detection signal output end of a body temperature detection sensor; It also includes a power module, the power module includes a first connector (H1), the power supply is connected through the first connector (H1), the first end of the first connector (H1) is connected to one end of the first button (S1), the second end of the first connector (H1) is connected to the power ground, and the other end of the first button (S1) is connected to the high-voltage input end of the first buck circuit and the high-voltage input end of the second buck circuit; The low voltage output ends of the first buck circuit and the second buck circuit output 5V voltage and 3.3V voltage respectively. The first buck circuit and the second buck circuit both include a buck (TPS1). The high voltage input end of the buck (TPS1) is connected to the other end of the first button (S1) and one end of the third capacitor (C3). The other end of the third capacitor (C3) and the ground end of the buck (TPS1) are both connected to the power ground. The high side gate of the buck (TPS1) is connected to one end of the first capacitor (C1). The other end of the first capacitor (C1) is connected to the high side source of the buck (TPS1), the cathode of the first diode (D1) and the first inductor (L 1) one end, the other end of the first inductor (L1) is connected to one end of the second capacitor (C2), one end of the third resistor (R3) and one end of the fourth resistor (R4), the positive electrode of the first diode (D1) and the other end of the second capacitor (C2) are both connected to the power ground, the other end of the first inductor (L1) is a low-voltage output end, the other end of the third resistor (R3) is connected to one end of the first chip resistor (Res1) and the feedback voltage end of the buck (TPS1), the other end of the first chip resistor (Res1) is connected to the power ground and the negative electrode of the second light-emitting diode (D2), and the positive electrode of the second light-emitting diode (D2) is connected to the other end of the fourth resistor (R4); The fatigue detection signal input end of the control module (U15) is connected to the signal output end of the wireless receiving module, and the output end of the fatigue detection module is connected to the signal input end of the wireless sending module, and data transmission is performed through the wireless receiving module and the wireless sending module.

2. The intelligent vehicle seat according to claim 1, characterized in that: The wireless receiving module and the wireless sending module are both Bluetooth transmission modules. The fatigue detection module is installed on the center console of the car. The power input end of the fatigue detection module is connected to the power output end of the car.

3. The intelligent vehicle seat according to claim 1, characterized in that: The temperature detection module and humidity detection module are an integrated temperature and humidity detection module, the signal output end of the temperature and humidity detection module is connected to the second end of the thirty-first wiring row (J31) and one end of the thirty-first resistor (R31), the other end of the thirty-first resistor (R31) is connected to the working voltage input end of the temperature and humidity detection module, the working voltage input end of the temperature and humidity detection module is connected to the first end of the thirty-first wiring row (J31) and one end of the thirty-first capacitor (C31), and the third end of the thirty-first wiring row (J31) and the other end of the thirty-first capacitor (C31) are both connected to the power ground.

4. The intelligent vehicle seat according to claim 1, characterized in that: The invention also includes a body pressure distribution detection module, which includes 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), and the signal output ends of the left detection chip (ZZ2), the right detection chip (ZZ3) and the front detection chip (ZZ4) are connected to the signal receiving end of the main detection chip (ZZ1) by a socket, and the signal output end of the main detection chip (ZZ1) is connected to the posture detection input end of the control module (U15).

5. The intelligent vehicle seat according to claim 1, characterized in that: The heart rate and blood pressure monitoring module comprises a detection unit, a calculation unit and a heart rate power supply unit (U6), wherein the detection unit is mounted on the right or left armrest of the seat, the detection signal output end of the detection unit is connected to the input end of the calculation unit, the drive output end of the calculation unit is connected to the drive input end of the detection unit, and the PPG signal end of the calculation unit is connected to 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 calculation unit comprises a heart rate algorithm chip (U4) and a heart rate first working chip (U2).

6. The intelligent vehicle seat according to claim 1, characterized in that: The body temperature detection sensor is mounted on a height adjustment rod (22) of a seat body headrest (21), the body temperature detection sensor comprises a packaging box (26) and a body temperature detection circuit board mounted in the packaging box, the body temperature detection sensor is a non-contact body temperature detection sensor, the packaging box (26) is provided with a detection hole (23), and the packaging box (26) is provided with a wiring hole (25); The packaging box (26) comprises a front cover (26a) and a rear shell (26b), the detection hole (23) is arranged on the front cover (26a), the wiring hole (25) is arranged on the lower side wall of the rear shell (26b), and a plurality of fixing piles (24) for fixing a body temperature detection circuit board are arranged inside the rear shell (26b).

7. The intelligent vehicle seat according to claim 1, characterized in that: The input end of the first crystal oscillator circuit of the control module (U15) is connected to the output end of the first crystal oscillator (Y1) and one end of the fourth-hundred-and-seventh capacitor (C407), the output end of the first crystal oscillator circuit of the control module (U15) is connected to the input end of the first crystal oscillator (Y1) and one end of the fourth-hundred-and-eighth capacitor (C408), and the other end of the fourth-hundred-and-seventh capacitor (C407) and the other end of the fourth-hundred-and-eighth capacitor (C408) are both connected to the power ground; The input end of the second crystal oscillator circuit of the control module (U15) is connected to the output end of the second crystal oscillator (Y2), one end of the 409th capacitor (C409) and one end of the 411th resistor (R411); the output end of the second crystal oscillator circuit of the control module (U15) is connected to the input end of the second crystal oscillator (Y2), one end of the 401st capacitor (C4010) and the other end of the 411th resistor (R411); the other end of the 409th capacitor (C409) and the other end of the 4010th capacitor (C4010) are both connected to the power ground.

8. The intelligent vehicle seat according to claim 7, characterized in that: The reset end of the control module (U15) is connected to one end of the 418th resistor (R418), one end of the second switch (S2) and one end of the 417th capacitor (C417), and the other end of the second switch (S2) and the other end of the 417th capacitor (C417) are both connected to the power ground.

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