CN110435486A - A kind of intelligent temperature control automobile seat cushion control circuit - Google Patents
A kind of intelligent temperature control automobile seat cushion control circuit Download PDFInfo
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- CN110435486A CN110435486A CN201910755968.8A CN201910755968A CN110435486A CN 110435486 A CN110435486 A CN 110435486A CN 201910755968 A CN201910755968 A CN 201910755968A CN 110435486 A CN110435486 A CN 110435486A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 47
- 239000003990 capacitor Substances 0.000 claims description 27
- 230000005611 electricity Effects 0.000 claims description 11
- 235000019506 cigar Nutrition 0.000 claims description 6
- 238000005034 decoration Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
- B60N2/5607—Heating or ventilating devices characterised by convection
- B60N2/5621—Heating or ventilating devices characterised by convection by air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
- B60N2/5678—Heating or ventilating devices characterised by electrical systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention relates to automobile interior decoration product fields, are related to a kind of intelligent temperature control automobile seat cushion control circuit.The object of the present invention is to provide one kind can according to whether someone and realize automatic switch, and can be according to temperature automatic adjustment wind speed, energy saving intelligent temperature control automotive seat.A kind of intelligent temperature control automobile seat cushion control circuit includes diaphragm pressure sensor, signal conversion module etc.；The input terminal of the signal conversion module is connected to the output end of diaphragm pressure sensor, and the diaphragm pressure sensor is used to detect the pressure of diaphragm pressure sensor.Compared with prior art, the present invention realizes someone or nobody detection using diaphragm pressure sensor as Weight detecting device, to realize the control of automatic switch, thermistor realizes the speed control of 3 gears as sensing element simultaneously, can be energy saving.
Description
Technical field
The present invention relates to automobile interior decoration product fields, are related to a kind of intelligent temperature control automobile seat cushion control circuit.
Background technique
Automotive seat is largely corium, and after summer shone the sun, seat especially scalds, under also difficulty of turning on the aircondition makes seat cool
Come, even if air-conditioner temperature is transferred to relatively low, back or wet, autoist is very worried, uncomfortable.According to prior art
Defect, it is necessary to propose new solution.Therefore, the temperature control automobile seat cushion to accord with the demands of the market is studied to raising people
Quality of life have certain positive meaning, so we have proposed a kind of intelligent temperature control automobile seat cushion control circuits.
Summary of the invention
In order to overcome current some automobile seat cushions to cannot achieve blowing function, automatic switch can not achieve, it cannot
According to temperature adjust wind speed the shortcomings that, the object of the present invention is to provide one kind can according to whether someone and realize automatic switch,
And it can be according to temperature automatic adjustment wind speed, energy saving intelligent temperature control automotive seat.
Technical solution are as follows: a kind of intelligent temperature control automobile seat cushion control circuit includes diaphragm pressure sensor, signal
Conversion module and fan, the input terminal of the signal conversion module are connected to the output end of diaphragm pressure sensor, the film
Pressure sensor is used to detect the pressure of diaphragm pressure sensor, and the output end of the signal conversion module is connected to fan, institute
It states signal conversion module to be judged by diaphragm pressure sensor, signal turns when not being less than starting pressure by pressure or pressure
Mold changing block does not have voltage output, and when pressure is more than given threshold, signal conversion module voltage output is+12V, and the signal turns
The switch of block control fan is changed the mold, cigar lighter is diaphragm pressure sensor, signal conversion module and fan power supply on automobile.
It is further preferred that the signal conversion module includes signal conversion circuit and relay drive circuit, it is described
Signal conversion circuit includes LM393, resistance R1, R2, potentiometer VR2 and the one end diaphragm pressure sensor VR1, the resistance R1
+ 5V is met, the resistance R1 other end is connect with the one end diaphragm pressure sensor VR1 is connect, the one end the diaphragm pressure sensor VR1
Ground connection, the both ends diaphragm pressure sensor VR1 shunt capacitance C1 and connect diaphragm pressure sensor at the resistance R1 other end
The connection of the INA+ pin of tie point and LM393, the mono- termination+5V of potentiometer VR2, the potentiometer between the series connection of the one end VR1
The INA- pin of VR2 other end ground connection, the potentiometer VR2 output end and LM393 connect, and the VCC pin and+5V of LM393 connects
It connects, the one end the capacitor C2 is connect with VCC pin, the capacitor C2 other end ground connection, the GND pin ground connection of the LM393, institute
The OUTA pin of LM393 is stated as output control terminal, the OUT pin of the LM393 is connected to pull-up resistor R2, and the relay drives
Dynamic circuit includes resistance R3, R4, capacitor C3, optocoupler U2, PMOS tube Q1, diode VD1 and relay RL1, the resistance R3
One termination power module outlet+5V anode, the resistance R3 other end is in parallel with the one end capacitor C2 to be connected with optocoupler PC817 base anode
It connects, the capacitor C2 other end is connect with optocoupler PC817 cathode, and the optocoupler PC817 cathode is with twin voltage comparator LM393's
The grid of OUT connection, the PMOS tube Q1 is in parallel with the one end resistance R4 and optocoupler PC817 collector, the resistance R4 other end
It drains and connects with PMOS tube Q1, connect the anode of power module outlet+12V, the cathode of the diode VD1 is with PMOS tube Q1's
Source electrode connection, and it is in parallel with relay RL1, the anode of diode VD1 is connect with the relay RL1 other end, and it is defeated to connect power module
Outlet cathode, when the OUTA of twin voltage comparator LM393 output is low level, Q1 conducting, relay RL1 switch is allocated to the left side
When, relay RL1 obtain it is electric, when twin voltage comparator LM393 OUTA output be high level when, Q1 is not turned on, and relay RL1 is not
It obtains electric.
It is further preferred that further including having temperature control circuit, the output end of the signal conversion module is connected to temperature control circuit
Input terminal, the output end of temperature control circuit connect with fan, and the temperature control circuit realizes the speed of 3 gears by thermistor
Degree controls, and cigar lighter is temperature control circuit power supply on automobile.
It is further preferred that the temperature control circuit include LM393, resistance R5, R6, R7, R8, R9, R10, R11, R12,
R13, R14, electrolytic capacitor EC1, thermistor RT, zener diode ZD1, triode Q2 and triode Q3, the temperature control circuit
Power end is connect with the end NO of relay RL1, the end the COM connection+12V of the relay RL1, the one end the resistance R5 and relay
The end NO of device RL1 connects, and the resistance R5 other end is connect with the one end resistance R6, the resistance R6 other end and the one end resistance R7
Connection, resistance R7 other end ground connection, the resistance R5 other end are connect with the one end resistance R8, the resistance R8 other end and
The connection of the one end resistance R9, the resistance R9 other end ground connection, the resistance R5 other end are connect with zener diode ZD1 cathode,
The zener diode ZD1 plus earth, the INB+ of tie point and LM393 between the resistance R6 other end and the one end resistance R7
Pin connection, the INA+ pin of tie point and LM393 connect between the resistance R8 other end and the one end resistance R9, the resistance
The one end R10 is connect with the end NO of relay RL1, and the resistance R10 other end is connect with the one end thermistor RT, the temperature-sensitive electricity
Hinder RT other end ground connection, INA-, INB- of tie point and LM393 between the resistance R10 other end and the one end thermistor RT
The OUTA pin of pin connection, the one end the resistance R11 and LM393 connect, the resistance R11 other end and the one end resistance R12
Connection, the resistance R12 other end are connect with the one end resistance R13, the resistance R13 other end ground connection, the triode Q2 hair
It penetrates collection to connect with triode Q3 base stage, the triode Q3 emitter is connect with electrolytic capacitor EC1 anode, the electrolytic capacitor
EC1 cathode ground connection, the triode Q2 collector are connect with triode Q3 collector, the triode Q2 collector and triode
Tie point is connect with the end NO of relay RL1 between the connection of Q3 collector, the triode Q2 current collection collection and triode Q3 current collection
Tie point is connect with resistance R14 between the connection of pole, and the triode Q2 base stage is connect with the resistance R14 other end, the triode
Connect between tie point and the resistance R11 other end and the connection of the one end resistance R12 between Q2 base stage and the connection of the resistance R14 other end
Contact connection, the tie point connection between the OUTB pin and the resistance R12 other end and the one end resistance R13 of the LM393 are described
The both ends electrolytic capacitor EC1 then fan.
It is further preferred that the NTC thermistor specification in the temperature control circuit is usually to measure at 25 degree of room temperature
Resistance value, commonly using has 50K and 100K, the resistance value 100K of the NTC thermistor, and the resistance of related resistors is adjusted in temperature control circuit
Value, realizes the control of other temperature ranges, 4 resistance R6, R7, R8, R9 resistance values do adjustment appropriate, can control a variety of temperature
Degree, while 4 resistance R6, R7, R8, R9 are designed to potentiometer, so that it may realize various temperature control.
The beneficial effects of the present invention are: compared with prior art, beneficial effects of the present invention are as follows: a kind of intelligent temperature control vapour
Vehicle seat cushion control circuit realizes someone or nobody detection using diaphragm pressure sensor as Weight detecting device,
When diaphragm pressure sensor is not less than starting pressure by pressure or pressure, signal conversion module does not have voltage output, works as pressure
When more than given threshold, signal conversion module output voltage is+12V；Realize the control of automatic switch；Thermistor is made simultaneously
For sensing element, most basic characteristic is that its resistance value variation with temperature has extremely significant change, realizes the speed of 3 gears
Degree control, for environment temperature at 28 degree or less, the voltage of adjustment pipe output 6V or so, rotation speed of the fan is minimum, and environment temperature is 28
When degree is to 38 degree, the voltage of adjustment pipe output 9V or so, rotation speed of the fan is medium；For environment temperature at 38 degree or more, adjustment pipe is defeated
The voltage of 11.5V or so out, rotation speed of the fan is most fast, can be energy saving.
Detailed description of the invention
Fig. 1 is circuit block diagram of the invention.
Fig. 2 is circuit diagram of the present invention.
The meaning of appended drawing reference in figure: 1, diaphragm pressure sensor, 2, signal conversion module, 3, temperature control circuit, 4, fan.
Specific embodiment
As described below is only presently preferred embodiments of the present invention, is not intended to limit the scope of the present invention.
Embodiment 1
A kind of intelligent temperature control automobile seat cushion control circuit, as shown in Figure 1, including diaphragm pressure sensor 1, signal conversion
The input terminal of module 2 and fan 4, the signal conversion module 2 is connected to the output end of diaphragm pressure sensor 1, the film
Pressure sensor 1 is used to detect the pressure of diaphragm pressure sensor 1, and the output end of the signal conversion module 2 is connected to fan
4, the signal conversion module 2 is judged by diaphragm pressure sensor 1, when not being less than starting pressure by pressure or pressure
Signal conversion module 2 does not have voltage output, and when pressure is more than given threshold, 2 voltage output of signal conversion module is+12V, institute
The switch that signal conversion module 2 controls fan 4 is stated, cigar lighter is diaphragm pressure sensor 1,2 and of signal conversion module on automobile
Fan 4 is powered.
Diaphragm pressure sensor carries out the conversion of resistive voltage by signal conversion module, collects in signal conversion module
Resistance signal after signal conversion module is handled, control fan work.
Embodiment 2
A kind of intelligent temperature control automobile seat cushion control circuit, as shown in Fig. 2, the signal conversion module 2 includes that signal turns
Circuit and relay drive circuit are changed, the signal conversion circuit includes LM393, resistance R1, R2, potentiometer VR2 and film
Pressure sensor 1VR1, the mono- termination+5V of resistance R1, the resistance R1 other end and connect the one end diaphragm pressure sensor 1VR1
Connection, the one end diaphragm pressure sensor 1VR1 ground connection, the both ends diaphragm pressure sensor 1VR1 shunt capacitance C1 are described
The resistance R1 other end with connect the one end diaphragm pressure sensor 1VR1 connect between the INA+ pin of tie point and LM393 connect, institute
State mono- termination+5V of potentiometer VR2, the potentiometer VR2 other end ground connection, the INA- of the potentiometer VR2 output end and LM393
Pin connection, the VCC pin of LM393 are connect with+5V, and the one end the capacitor C2 is connect with VCC pin, the capacitor C2 other end
Ground connection, the GND pin ground connection of the LM393, the OUTA pin of the LM393 is as output control terminal, the OUT of the LM393
Pin is connected to pull-up resistor R2, the relay drive circuit include resistance R3, R4, capacitor C3, optocoupler U2, PMOS tube Q1,
Diode VD1 and relay RL1, the resistance R3 mono- terminate power module outlet+5V anode, the resistance R3 other end and capacitor
The parallel connection of the one end C2 is connect with optocoupler PC817 base anode, and the capacitor C2 other end is connect with optocoupler PC817 cathode, the optocoupler
PC817 cathode is connect with the OUT of twin voltage comparator LM393, the grid and the one end resistance R4 and optocoupler of the PMOS tube Q1
PC817 collector is in parallel, and the resistance R4 other end and PMOS tube Q1 drain electrode connection are meeting power module outlet+12V just
The cathode of pole, the diode VD1 is connect with the source electrode of PMOS tube Q1, and in parallel with relay RL1, the anode of diode VD1
It is connect with the relay RL1 other end, connects power module outlet cathode, when the OUTA output of twin voltage comparator LM393 is low
When level, Q1 conducting, relay RL1 switch is when being allocated to the left side, relay RL1 obtain it is electric, as the OUTA of twin voltage comparator LM393
When output is high level, Q1 is not turned on, and relay RL1 must not electricity.
Diaphragm pressure sensor carries out the conversion of resistive voltage by signal conversion module, collects in signal conversion module
Resistance signal after signal conversion module is handled, control temperature control circuit work, thermistor is because of temperature in temperature control circuit
Variation, resistance variations, to control the revolving speed of fan.Diaphragm pressure sensor can detecte the pressure of diaphragm pressure sensor,
Its sensitivity is adjustable can be adjusted VR2 by potentiometer and adjusts, signal conversion module diaphragm pressure sensor not by pressure or
When pressure is less than starting pressure, relay RL1 must not be electric in signal conversion module, does not export, when pressure is more than given threshold
When, relay RL1 obtains electric, output voltage+12V in signal conversion module.
Embodiment 3
A kind of intelligent temperature control automobile seat cushion control circuit further includes as shown in Figs. 1-2 having temperature control circuit 3, and the signal turns
The output end of mold changing block 2 is connected to the input terminal of temperature control circuit 3, and the output end of temperature control circuit 3 is connect with fan 4, the temperature control
Circuit 3 realizes the speed control of 3 gears by thermistor, and cigar lighter is the power supply of temperature control circuit 3 on automobile.
The temperature control circuit 3 includes LM393, resistance R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, electrolysis
Capacitor EC1, thermistor RT, zener diode ZD1, triode Q2 and triode Q3,3 power end of temperature control circuit and relay
The end NO of device RL1 connects, the end the COM connection+12V of the relay RL1, the end NO of the one end the resistance R5 and relay RL1
Connection, the resistance R5 other end are connect with the one end resistance R6, and the resistance R6 other end is connect with the one end resistance R7, the electricity
R7 other end ground connection is hindered, the resistance R5 other end is connect with the one end resistance R8, the resistance R8 other end and the one end resistance R9
Connection, the resistance R9 other end ground connection, the resistance R5 other end are connect with zener diode ZD1 cathode, the pressure stabilizing two
Pole pipe ZD1 plus earth, the INB+ pin of tie point and LM393 connect between the resistance R6 other end and the one end resistance R7,
Between the resistance R8 other end and the one end resistance R9 the INA+ pin of tie point and LM393 connect, the one end the resistance R10 with
The end NO of relay RL1 connects, and the resistance R10 other end is connect with the one end thermistor RT, and the thermistor RT is another
End ground connection, INA-, INB- pin of tie point and LM393 connect between the resistance R10 other end and the one end thermistor RT,
The connection of the OUTA pin of the one end the resistance R11 and LM393, the resistance R11 other end is connect with the one end resistance R12, described
The resistance R12 other end is connect with the one end resistance R13, the resistance R13 other end ground connection, the triode Q2 transmitting collection and three poles
The connection of pipe Q3 base stage, the triode Q3 emitter are connect with electrolytic capacitor EC1 anode, the electrolytic capacitor EC1 cathode ground connection,
The triode Q2 collector is connect with triode Q3 collector, and the triode Q2 collector is connect with triode Q3 collector
Between tie point connect with the end NO of relay RL1, the triode Q2 current collection collection and triode Q3 collector connection between connect
Contact is connect with resistance R14, and the triode Q2 base stage is connect with the resistance R14 other end, the triode Q2 base stage and resistance
Tie point connects between tie point and the resistance R11 other end and the connection of the one end resistance R12 between the connection of the R14 other end, institute
State the tie point connection between the OUTB pin of LM393 and the resistance R12 other end and the one end resistance R13, the electrolytic capacitor EC1
Both ends then fan 4.
NTC thermistor specification in the temperature control circuit 3 is usually the resistance value measured at 25 degree of room temperature, common to have
50K and 100K, the resistance value 100K of the NTC thermistor adjust the resistance value of related resistors in temperature control circuit 3, realize other temperature
The control of range is spent, 4 resistance R6, R7, R8, R9 resistance values do adjustment appropriate, can control various temperature, while 4 resistance
R6, R7, R8, R9 are designed to potentiometer, so that it may realize various temperature control.
When relay RL1 obtains electric, output voltage+12V in signal conversion module 2, the work of temperature control circuit 3, temperature can control
The variation of thermistor to be the change transitions of temperature be resistance value in control circuit 3；The effect of comparator LM393 in temperature control circuit 3
It is the control that the variation of NTC resistance value is realized to adjustment pipe compared with fixed resistance, the i.e. control of voltage.Temperature control circuit 3 can be with
The speed control for realizing 3 gears, when environment temperature is at 28 degree or less, the voltage of adjustment pipe output 6V or so, 4 revolving speed of fan
Minimum, when environment temperature is at 28 degree to 38 degree, adjustment pipe exports the voltage of 9V or so, and 4 revolving speed of fan is medium；Work as environment temperature
At 38 degree or more, adjustment pipe output 11.The voltage of 5V or so, 4 revolving speed of fan are most fast.
The low level triggering refers to a kind of triggering mode being connect with the cathode voltage at the end GND with triggering end, works as touching
When originator has 0V voltage or voltage as low as that can trigger, relay is then attracted.
The diaphragm pressure sensor 1 can carry out static and dynamic to the pressure of any contact surface and measure, and diaphragm pressure passes
Sensor 1 will be applied to the pressure conversion in sensor sensing region at resistance signal, then according to power ~ resistance calibration relation curve
The extraneous change information exerted pressure is obtained, pressure is bigger, and the resistance of sensor output is smaller.
The temperature control circuit 3 uses LM393N, and the LM393N is twin voltage comparator integrated circuit, output load resistance
It can be engaged on any supply voltage within the scope of permissible supply voltage, not limited by Vcc terminal voltage value.This output can be made
It opens a way for a simple SPS over the ground, the β value of driving and device that the sunken electric current of output par, c is likely to be obtained limits.When
Reach capacity electric current (16mA) when, output transistor will move out and output voltage will rise quickly.When load current very little,
The low maladjustment voltage (about 1 of output transistor.0mV) allow to export clamp in zero level.The output par, c of LM393 is that collector is opened
Road, the npn output transistor of emitter ground connection can export offer or ORing function with multicollector.This output can be used as one
A simple open circuit of SPS over the ground (not being employed when not having to load resistance), the driving that the sunken electric current of output par, c is likely to be obtained
It is limited with the β value of device.As the electric current that reaches capacity (16mA), output transistor will move out and also output voltage will quickly on
It rises.Output saturation voltage is limited by the γ SAT of output transistor about 60ohm.8 foot plastics of dual-in-line are used inside LM393
Encapsulation and miniature 8 foot Plastic Package of biserial.
It should be understood by those skilled in the art that the above embodiments do not limit the invention in any form, it is all using equivalent
The mode technical solution obtained of replacement or equivalent transformation, falls within the scope of protection of the present invention.
Claims (5)
1. a kind of intelligent temperature control automobile seat cushion control circuit, which is characterized in that include diaphragm pressure sensor, signal turn
Mold changing block and fan, the input terminal of the signal conversion module are connected to the output end of diaphragm pressure sensor, the film pressure
Force snesor is used to detect the pressure of diaphragm pressure sensor, and the output end of the signal conversion module is connected to fan, described
Signal conversion module is judged that signal is converted when not being less than starting pressure by pressure or pressure by diaphragm pressure sensor
Module does not have voltage output, and when pressure is more than given threshold, signal conversion module voltage output is+12V, the signal conversion
Module controls the switch of fan, and cigar lighter is diaphragm pressure sensor, signal conversion module and fan power supply on automobile.
2. a kind of intelligent temperature control automobile seat cushion control circuit as described in claim 1, which is characterized in that the signal turns
Mold changing block includes signal conversion circuit and relay drive circuit, the signal conversion circuit include LM393, resistance R1,
R2, potentiometer VR2 and diaphragm pressure sensor VR1, the mono- termination+5V of resistance R1 and connect film at the resistance R1 other end
The connection of the one end pressure sensor VR1, the one end diaphragm pressure sensor VR1 ground connection, the both ends the diaphragm pressure sensor VR1
Shunt capacitance C1, the resistance R1 other end with connect the one end diaphragm pressure sensor VR1 connect between tie point and LM393
The connection of INA+ pin, the mono- termination+5V of potentiometer VR2, the potentiometer VR2 other end ground connection, the potentiometer VR2 output
End is connect with the INA- pin of LM393, and the VCC pin of LM393 is connect with+5V, and the one end the capacitor C2 is connect with VCC pin,
The capacitor C2 other end ground connection, the GND pin ground connection of the LM393, the OUTA pin of the LM393 is as output control
End, the OUT pin of the LM393 are connected to pull-up resistor R2, the relay drive circuit include resistance R3, R4, capacitor C3,
Optocoupler U2, PMOS tube Q1, diode VD1 and relay RL1, the resistance R3 mono- terminate power module outlet+5V anode, electricity
The resistance R3 other end is connect with capacitor C2 one end parallel connection with optocoupler PC817 base anode, the capacitor C2 other end and optocoupler PC817 yin
Pole connection, the optocoupler PC817 cathode are connect with the OUT of twin voltage comparator LM393, the grid and resistance of the PMOS tube Q1
The one end R4 and optocoupler PC817 collector are in parallel, and the resistance R4 other end and PMOS tube Q1 drain electrode connection connect power module output
The cathode of the anode of end+12V, the diode VD1 is connect with the source electrode of PMOS tube Q1, and in parallel with relay RL1, diode
The anode of VD1 is connect with the relay RL1 other end, connects power module outlet cathode, as the OUTA of twin voltage comparator LM393
When output is low level, Q1 conducting, relay RL1 switch is when being allocated to the left side, relay RL1 obtain it is electric, when twin voltage comparator
When the OUTA output of LM393 is high level, Q1 is not turned on, and relay RL1 must not electricity.
3. a kind of intelligent temperature control automobile seat cushion control circuit as claimed in claim 2, which is characterized in that further include having temperature
Circuit is controlled, the output end of the signal conversion module is connected to the input terminal of temperature control circuit, the output end and fan of temperature control circuit
Connection, the temperature control circuit realize the speed control of 3 gears by thermistor, and cigar lighter is temperature control circuit confession on automobile
Electricity.
4. a kind of intelligent temperature control automobile seat cushion control circuit as claimed in claim 3, which is characterized in that the temperature control electricity
Road include LM393, resistance R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, electrolytic capacitor EC1, thermistor RT,
Zener diode ZD1, triode Q2 and triode Q3, the temperature control circuit power end is connect with the end NO of relay RL1, described
The end the COM connection+12V of relay RL1, the one end the resistance R5 are connect with the end NO of relay RL1, the resistance R5 other end
It is connect with the one end resistance R6, the resistance R6 other end is connect with the one end resistance R7, the resistance R7 other end ground connection, the electricity
The resistance R5 other end is connect with the one end resistance R8, and the resistance R8 other end is connect with the one end resistance R9, the resistance R9 other end
Ground connection, the resistance R5 other end are connect with zener diode ZD1 cathode, the zener diode ZD1 plus earth, the electricity
It hinders the INB+ pin of tie point and LM393 between the R6 other end and the one end resistance R7 to connect, the resistance R8 other end and resistance
The INA+ pin of tie point and LM393 connect between the one end R9, and the one end the resistance R10 is connect with the end NO of relay RL1, institute
It states the resistance R10 other end to connect with the one end thermistor RT, the thermistor RT other end ground connection, the resistance R10 is another
INA-, INB- pin of tie point and LM393 connect between end and the one end thermistor RT, the one end the resistance R11 and LM393
The connection of OUTA pin, the resistance R11 other end connect with the one end resistance R12, the resistance R12 other end and resistance R13
One end connection, the resistance R13 other end ground connection, the triode Q2 transmitting collection are connect with triode Q3 base stage, three pole
Pipe Q3 emitter is connect with electrolytic capacitor EC1 anode, electrolytic capacitor EC1 cathode ground connection, the triode Q2 collector with
The connection of triode Q3 collector, tie point and relay between the triode Q2 collector and the connection of triode Q3 collector
The end NO of RL1 connects, and tie point is connect with resistance R14 between the triode Q2 current collection collection and the connection of triode Q3 collector,
The triode Q2 base stage is connect with the resistance R14 other end, is connected between the triode Q2 base stage and the connection of the resistance R14 other end
Contact and the resistance R11 other end and the one end resistance R12 connection between tie point connect, the OUTB pin of the LM393 with
Tie point connection between the resistance R12 other end and the one end resistance R13, the both ends the electrolytic capacitor EC1 then fan.
5. a kind of intelligent temperature control automobile seat cushion control circuit as claimed in claim 4, which is characterized in that the temperature control electricity
NTC thermistor specification in road is usually the resistance value measured at 25 degree of room temperature, common to have 50K and 100K, the NTC heat
The resistance value 100K of quick resistance adjusts the resistance value of related resistors in temperature control circuit, realizes the control of other temperature ranges, 4 resistance
R6, R7, R8, R9 resistance value do adjustment appropriate, can control various temperature, while 4 resistance R6, R7, R8, R9 are designed to electricity
Position device, so that it may realize various temperature control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113247150A (en) * | 2020-03-12 | 2021-08-13 | 九号科技有限公司 | Vehicle control method and device, vehicle and computer storage medium |
| CN116047370A (en) * | 2022-11-14 | 2023-05-02 | 广东粤桂智能工程研究院有限公司 | Method for monitoring working state of capacitor bank |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371927A (en) * | 2011-11-18 | 2012-03-14 | 深圳市深港华建建筑设计有限公司 | Air-conditioner seat of car |
| CN203713623U (en) * | 2013-11-19 | 2014-07-16 | 浙江吉利汽车研究院有限公司 | Automatic automobile seat cooling device |
| CN204641465U (en) * | 2015-03-30 | 2015-09-16 | 山东理工大学 | A kind of cooling seat |
| CN108001312A (en) * | 2017-12-29 | 2018-05-08 | 智车优行科技（北京）有限公司 | Constant temperature seat, constant temperature seat regulator control system and automobile |
| CN207360145U (en) * | 2017-11-01 | 2018-05-15 | 深圳市路易乐汽车用品有限公司 | A kind of automobile cushion device with distant control function |
| CN108515888A (en) * | 2018-06-20 | 2018-09-11 | 北京奇宝科技有限公司 | Ventilating system for child safety seat |
-
2019
- 2019-08-16 CN CN201910755968.8A patent/CN110435486B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371927A (en) * | 2011-11-18 | 2012-03-14 | 深圳市深港华建建筑设计有限公司 | Air-conditioner seat of car |
| CN203713623U (en) * | 2013-11-19 | 2014-07-16 | 浙江吉利汽车研究院有限公司 | Automatic automobile seat cooling device |
| CN204641465U (en) * | 2015-03-30 | 2015-09-16 | 山东理工大学 | A kind of cooling seat |
| CN207360145U (en) * | 2017-11-01 | 2018-05-15 | 深圳市路易乐汽车用品有限公司 | A kind of automobile cushion device with distant control function |
| CN108001312A (en) * | 2017-12-29 | 2018-05-08 | 智车优行科技（北京）有限公司 | Constant temperature seat, constant temperature seat regulator control system and automobile |
| CN108515888A (en) * | 2018-06-20 | 2018-09-11 | 北京奇宝科技有限公司 | Ventilating system for child safety seat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113247150A (en) * | 2020-03-12 | 2021-08-13 | 九号科技有限公司 | Vehicle control method and device, vehicle and computer storage medium |
| CN116047370A (en) * | 2022-11-14 | 2023-05-02 | 广东粤桂智能工程研究院有限公司 | Method for monitoring working state of capacitor bank |
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| CN110435486B (en) | 2021-07-23 |
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