CN206920875U - A kind of intelligence control system of seat - Google Patents
A kind of intelligence control system of seat Download PDFInfo
- Publication number
- CN206920875U CN206920875U CN201720739184.2U CN201720739184U CN206920875U CN 206920875 U CN206920875 U CN 206920875U CN 201720739184 U CN201720739184 U CN 201720739184U CN 206920875 U CN206920875 U CN 206920875U
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- input
- output end
- chip microcomputer
- seat
- control system
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Abstract
The utility model relates generally to field of intelligent control, more particularly, to a kind of intelligence control system of seat.The thermistor of the intelligence control system of seat, control button, the output end of grating module are connected to the input of single-chip microcomputer；The output end of Vehicular accumulator cell is connected to the input of single-chip microcomputer；Single-chip microcomputer is connected to waveform control circuit；The output end of waveform control circuit is connected to the input of comparison circuit；The output end of comparison circuit is connected to the input of heating module；The output end of protection circuit is connected to the input of waveform control circuit；The output end of single-chip microcomputer is connected to relay, the input of drive module；The output end of drive module is connected to the input of massage motor；The output end of display module is connected to the input of single-chip microcomputer.A kind of intelligence control system of seat of the utility model, by the heating and lifting of button control vehicle-mounted seat, thermistor detects the temperature of vehicle-mounted seat, realizes closed-loop control.
Description
Technical field
The utility model relates generally to field of intelligent control, more specifically to a kind of intelligent control of seat
System.
Background technology
Economic fast development and the further improvement of living standard cause people to require automotive safety, comfortable etc.
Improve constantly, promote the fast development of Chinese Automobile Industry '.With the development of Hyundai Motor, the electronic degree of automobile is year by year
Increase.The research and development of Trend for Foreign Car Electronics are started in the sixties, into the seventies, the development of locomotive circuit and microprocessor
The extensive use of device, is developed rapidly automobile electronics.
Auto industry flourishes, competition it is more and more fierce, for people provides comfortably, embodiment humanistic care product into
The target pursued for increasing automobile production enterprise, seat of the in-car assembling with heating function, can make people in cold
Winter experience the producer bring it is warm.
Utility model content
The utility model passes through button mainly solving the technical problems that provide a kind of intelligence control system of seat
The heating and lifting of vehicle-mounted seat are controlled, thermistor detects the temperature of vehicle-mounted seat, realizes closed-loop control.
In order to solve the above technical problems, a kind of intelligence control system of seat of the utility model include thermistor,
Control button, grating module, Vehicular accumulator cell, single-chip microcomputer, protection circuit, waveform control circuit, comparison circuit, heating module,
Relay, drive module, massage motor, display module, pass through the heating and lifting of button control vehicle-mounted seat, thermistor inspection
The temperature of vehicle-mounted seat is surveyed, realizes closed-loop control.
Wherein, the output end of the thermistor is connected to the input of single-chip microcomputer；The output end of the control button connects
Then the input of single-chip microcomputer；The output end of the grating module is connected to the input of single-chip microcomputer；The Vehicular accumulator cell
Output end is connected to the input of single-chip microcomputer；The single-chip microcomputer is connected to waveform control circuit；The waveform control circuit it is defeated
Go out the input that end is connected to comparison circuit；The output end of the comparison circuit is connected to the input of heating module；The guarantor
The output end of protection circuit is connected to the input of waveform control circuit；The output end of the single-chip microcomputer is connected to the input of relay
End；The output end of the single-chip microcomputer is connected to the input of drive module；The output end of the drive module is connected to massage electricity
The input of machine；The output end of the display module is connected to the input of single-chip microcomputer.
It is single described in a kind of intelligence control system of seat of the utility model as further optimization of the present utility model
Piece machine uses AT89C51 single-chip microcomputers.
As further optimization of the present utility model, heat described in a kind of intelligence control system of seat of the utility model
Quick resistance uses NTC thermistor.
As further optimization of the present utility model, light described in a kind of intelligence control system of seat of the utility model
Grid module includes SGC-4.2 types grating scale and QA740210 IC chips.
As further optimization of the present utility model, compare described in a kind of intelligence control system of seat of the utility model
2 input nand gate Schmidt triggers and the voltage comparators of LM2901 tetra- are used compared with circuit.
As further optimization of the present utility model, drive described in a kind of intelligence control system of seat of the utility model
Dynamic model block uses L298N chips.
Control effect：A kind of intelligence control system of seat of the utility model, passes through button control vehicle-mounted seat
Heating and lifting, thermistor detect the temperature of vehicle-mounted seat, realize closed-loop control.
Brief description of the drawings
The utility model is described in more detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is a kind of hardware structure diagram of the intelligence control system of seat of the utility model.
Fig. 2 is a kind of circuit diagram of the single-chip microcomputer of the intelligence control system of seat of the utility model.
Fig. 3 is a kind of circuit diagram of the thermistor of the intelligence control system of seat of the utility model.
Fig. 4 is a kind of waveform control circuit of the intelligence control system of seat of the utility model, the electricity of comparison circuit
Lu Tu.
Fig. 5 is a kind of circuit diagram of the relay of the intelligence control system of seat of the utility model.
Fig. 6 is a kind of circuit diagram of the protection circuit of the intelligence control system of seat of the utility model.
Fig. 7 is a kind of drive module of the intelligence control system of seat of the utility model, the circuit diagram of massage motor.
Fig. 8 is a kind of circuit diagram of the display module of the intelligence control system of seat of the utility model.
Fig. 9 is a kind of circuit diagram of the grating module of the intelligence control system of seat of the utility model.
Figure 10 is a kind of circuit diagram of the Vehicular accumulator cell of the intelligence control system of seat of the utility model.
Figure 11 is a kind of circuit diagram of the control button of the intelligence control system of seat of the utility model.
Embodiment
Embodiment one：
Illustrate present embodiment, a kind of vehicle seat described in present embodiment with reference to Fig. 1,2,3,4,5,6,7,8,9,10,11
The intelligence control system of chair includes thermistor, control button, grating module, Vehicular accumulator cell, single-chip microcomputer, protection circuit, ripple
Shape control circuit, comparison circuit, heating module, relay, drive module, massage motor, display module, pass through button control car
The heating and lifting of seat are carried, thermistor detects the temperature of vehicle-mounted seat, realizes closed-loop control.
Wherein, the output end of the thermistor is connected to the input of single-chip microcomputer, and thermistor is using NTC temperature-sensitives electricity
Resistance, thermistor linearly changes with the change resistance of temperature, according to thermistor get voltage number, determine vehicle-mounted seat
The temperature of chair, the temperature value of thermistor detection are output to the P0.0 pins of single-chip microcomputer by OUT terminal.
The output end of the control button is connected to the input of single-chip microcomputer, and control button uses Independent keys, and control is pressed
Button includes 4 buttons, and button S1 is function selection key, and button S2 is increases button, and for button S3 to subtract button, button S4 is true
It is fixed/to cancel button, realize the selection of function by control button, L1, L2, L3, L4 end of control button and the P3.4 of single-chip microcomputer,
P3.5, P3.6, P3.7 pin are connected.
The output end of the grating module is connected to the input of single-chip microcomputer, and grating module includes SGC-4.2 type grating scales
With QA740210 IC chips, the square-wave signal A and B that grating module output two-way phase difference is 90 °.With A, B two-phase
The umber of pulse of signal represents the displacement that grating is passed by, mark grating point forward direction and reverse movement.Signal after quadruple is through list
Piece machine internal counter is converted into relative position after counting, so as to detect the height of seat lifting；SGC-4.2 type grating scales
The pulse signal that (50 lines/mm) come out realizes process of frequency multiplication by 4 frequency multiplication dedicated IC chip QA740210, to letter
After numbers 4 subdivisions, the count pulse that resolution ratio is 5 μm can be obtained, QA740210 IC chips can enter the orthogonal square wave of two-way
Row quadruple, and phase judgment can be carried out according to the phase relation of input signal, produce 2 tunnels and add, subtract count signal, in order that
QA740210 normal works are, it is necessary to design the oscillator being made up of X0, X1, X2.Frequency of oscillation is unrelated with supply voltage, only depends on
In the total time constant of charging and discharging, output end DD1, DD2, DD3 pin of grating module be connected to the P0.3 of single-chip microcomputer,
P0.4, P0.5 pin.
The output end of the Vehicular accumulator cell is connected to the input of single-chip microcomputer, and Vehicular accumulator cell uses lithium battery, lithium electricity
The protective loop in pond is made up of two MOSFET (Q1, Q2) and control IC (U1) some additional Resistor-Capacitor Units.Control IC's
VDD and V- is each responsible for monitoring cell voltage and loop current, and controls two MOSFET grid, and MOSFET rises in circuit
On-off action, the conducting and shut-off of charge circuit and discharge loop are controlled respectively, C2 is delay capacitor, and the circuit, which has, to be overcharged
Electric protection, over, overcurrent protection and short-circuit protection function, lithium battery are powered by VCC mouths.
The single-chip microcomputer is connected to waveform control circuit, and the output end of waveform control circuit is connected to the input of comparison circuit
End, waveform control circuit use 4093 chips and 2 input nand gate Schmidt triggers, and the pulse signal of single-chip microcomputer output is entered
Horizontal pulse shaping, impulse waveform tend to occur wave distortion after transmission.When electric capacity is larger on transmission line, the rising edge of waveform
With trailing edge by significant change；When transmission line is longer and during the impedance mismatch of the impedance of receiving terminal and transmission line, in waveform
Rising edge and trailing edge will produce oscillatory occurences, complete waveform is obtained by Schmidt trigger, be sent to signal to than
Compared with circuit, IN01, IN02, IN03, IN04 end of waveform control circuit and P1.0, P1.1, P1.2, P1.3 pin phase of single-chip microcomputer
Connection.
The output end of the comparison circuit is connected to the input of heating module, and comparison circuit is applied using 2 input nand gates
Schmitt trigger and the voltage comparators of LM2901 tetra-, single-chip microcomputer connect different resistance according to the selection of the different temperatures of setting, this
The partial pressure of sample LM2901 pins 6 is also different, and thermistor follows its resistance of heating-up temperature also to change therewith, and LM2901 pins 7 are defeated
The magnitude of voltage entered is also with change.If heating module is not reaching to the temperature value of setting, then the partial pressure value of 7 pins is more than 6
The magnitude of voltage of pin setting, circuit will continue to heat；After the temperature value for stably reaching setting of heating, the resistance of thermistor
Reduce, the partial pressure value of 7 pin is also reduced to the magnitude of voltage of 6 pin setting therewith, and now LM2901 exports low level, circuit stopping pair
Heating module is heated, and the AD2 pins of comparison circuit are exported to the P0.1 pins of heating module.
The output end of the protection circuit is connected to the input of waveform control circuit, and the D11 in protection circuit is 14V's
Voltage-regulator diode, the bias voltage that metal-oxide-semiconductor provides when there is electrostatic can increase, and voltage stabilizing two is added between G the and S ends of metal-oxide-semiconductor
The effect of pole pipe and triode 9013 is the burning voltage when there is electrostatic.14V voltage-stabiliser tube is selected in circuit, is not interfered with so
The driving voltage of grid, it is not more than the safe voltage of grid.And the resistance in circuit is to prevent the mutation as caused by electrostatic
Electric current, that is, metering function is played, DA1, DA2 end of protection circuit are connected to DA1, DA2 pin of waveform control circuit.
The output end of the single-chip microcomputer is connected to the input of relay, and relay uses LY115 type relays, passes through list
Piece machine output control signal is sent to triode and carries out two-stage amplification, relay is finally output a control signal to, when in relay
There is electric current by the way that armature is attracted, seat rise, and when not having electric current in relay by, armature not adhesive, seat keeps normal
Highly, the OUTA pins of relay are connected with the P0.2 pins of single-chip microcomputer.
The output end of the single-chip microcomputer is connected to the input of drive module, and drive module uses L298N chips, due to electricity
Machine operating needs big voltage to be powered, and the small voltage that single-chip microcomputer directly exports can not power directly to motor, single-chip microcomputer output
Signal the small voltage signal exported be converted to by big voltage signal by drive module be powered to stirring motor, L298N
Chip can drive 2 motors, connect 2 motor between OUTl, OUT2 and OUT3, OUT4 respectively.5th, 7,10,12 pin connect input control
Level processed, the rotating of controlled motor, ENA, ENB connect control Enable Pin, the stalling of controlled motor, single-chip microcomputer by P1.4,
P1.5, P1.6, P1.7, P0.6, P0.7 pin are connected with IN1, IN2, IN3, IN4, ENA, the EN B mouths of drive module.
The output end of the drive module is connected to the input of massage motor, massage motor use rotating speed for 9r/min,
Power is 20W exchange decelerator, and motor is discontinuous operation, and drive module motor carries out rotating, realizes certainly
The function of dynamic massage.
The output end of the display module is connected to the input of single-chip microcomputer, and display module shows the temperature signal detected
And altitude signal, display module use LCD1602 LCDs, data terminal DB0, DB1 of display module, DB2, DB3, DB4,
DB5, DB6, DB7 are connected with P2.0, P2.1, P2.2, P2.3, P2.4, P2.5, P2.6, P2.7 pin of single-chip microcomputer, for showing
Registration evidence；(RS is register selection, selects during high level 1 selection when data register, low level 0 to refer at the RS ends of display module
Make register) it is connected with the P3.0 pins of single-chip microcomputer, for control data order；(RW believes for read-write at the RW ends of display module
Number line, carries out read operation during high level 1, carries out write operation during low level 0) it is connected with the P3.1 pins of single-chip microcomputer, for controlling
Read-write operation processed；The Enable Pin E (E ends are Enable Pin) of display module is connected with the P3.2 pins of single-chip microcomputer；Single-chip microcomputer
P3.0, P3.1, P3.2 pin are used for the strobe state for controlling the charactron in display module.
Embodiment two：
Illustrate present embodiment with reference to Fig. 1,2,3,4,5,6,7,8,9,10,11, the single-chip microcomputer uses AT89C51 monolithics
Machine.The AT89C51 single-chip microcomputers have the step-by-step operation system of complete set, ram in slice area from its internal hardware to software
Between also especially open the address section of a dual-use function, 16 bytes, element address 20H~2FH, it can both make byte
Processing, can also make position processing.The setting and use of the I/O pin of 51 single-chip microcomputers are very simple, when the pin makees input pin in use, only
The pin must be arranged to high level (during reset, each I/O mouths put high electricity).When the pin makees output pin in use, being then high level
Or low level.
Embodiment three：
Illustrate present embodiment with reference to Fig. 1,2,3,4,5,6,7,8,9,10,11, the thermistor is using NTC temperature-sensitives electricity
Resistance.NTC is Negative Temperature Coefficient abbreviation, means negative temperature coefficient, refers to negative temperature
Coefficient very big semi-conducting material or component, so-called NTC themistor is exactly negative temperature coefficient thermistor.It is with
The metal oxides such as manganese, cobalt, nickel and copper are main material, are fabricated using ceramic process.These metal oxide materials
All there is semiconductor property, because the semi-conducting material such as all fours germanium, silicon on electrically conducting manner.NTC thermistor is in temperature
When low, carrier (electronics and hole) number of these oxide materials is few, so its resistance value is higher；With the liter of temperature
Height, carrier number increase, so resistance value reduces.The excursion of NTC themistor at room temperature 10O~
1000000 ohm, temperature coefficient -2%~-6.5%.NTC themistor can NTC themistor be widely used in thermometric, control
Temperature, temperature-compensating etc..
Embodiment four：
Illustrate present embodiment with reference to Fig. 1,2,3,4,5,6,7,8,9,10,11, the grating module includes SGC-4.2
Type grating scale and QA740210 IC chips.SGC-4.2 types grating scale first changes into position signalling HTL voltage signals
Output, after modulate circuit filtering and rectification, it is processed into the square-wave signal of standard.Then it is external by inner high speed counter
The square-wave signal in portion carries out count operation.To drive module issue motor action instruction, controlled motor drive displacement executing agency
Motion.
Embodiment five：
With reference to Fig. 1,2,3,4,5,6,7,8,9,10,11 illustrate present embodiment, the comparison circuit using 2 input with it is non-
Door Schmidt trigger and the voltage comparators of LM2901 tetra-.Schmidt trigger also has two stable states, but is triggered with general
Unlike device, Schmidt trigger uses current potential triggering mode, and its state is maintained by input signal current potential；Successively decrease for negative sense
With the positive input signal for being incremented by two kinds of different change directions, Schmidt trigger has different threshold voltages.LM2901 series
Four independent high-accuracy voltage comparators by a low offset voltage for 2 all four comparisons mV maximum specifications.
Embodiment six：
Illustrate present embodiment with reference to Fig. 1,2,3,4,5,6,7,8,9,10,11, the drive module uses L298N cores
Piece.L298N is the product of SGS companies, and inside includes 4 channel logic drive circuits, is the special of a kind of two-phase and four phase motors
Driver, that is, the high-voltage large current for including two H bridges are enjoyed a double blessing bridge driver, are received standard TTL logic level signal, can be driven
Dynamic 46V, below 2A motor.
A kind of operation principle of the intelligence control system of seat of the utility model is：A kind of vehicle seat of the utility model
The intelligence control system of chair selects the mode of operation of seat by control button, when seat is in heated condition, single-chip microcomputer
The control signal inputted according to control button, waveform control circuit is output a control signal to, export PWM waveform, process is more electric
After road is compared, control heating module is heated up.Thermistor detects the temperature of seat, according to seat
Temperature control heating module, realizes closed-loop control.Control button exports elevating control signal, and single-chip microcomputer control relay is according to logical
Power-off, adhesive armature realize the lifting of seat.The height of grating module detection seat lifting, is sent to single-chip microcomputer, and single-chip microcomputer will
The altitude signal and temperature signal received, which is exported to display module, to be shown.When function button selects massage mode, monolithic
Machine outputs signals to drive module driving massage motor work.
Although the utility model is disclosed as above with preferred embodiment, it is not limited to the utility model, appoints
What person skilled in the art, is not departing from spirit and scope of the present utility model, can do various changes and modification, therefore
What the scope of protection of the utility model should be defined by claims is defined.
Claims (6)
1. a kind of intelligence control system of seat, it is characterised in that the intelligence control system of the seat includes heat
Quick resistance, control button, grating module, Vehicular accumulator cell, single-chip microcomputer, protection circuit, waveform control circuit, comparison circuit, plus
Thermal modules, relay, drive module, massage motor, display module, the output end of the thermistor are connected to the defeated of single-chip microcomputer
Enter end；The output end of the control button is connected to the input of single-chip microcomputer；The output end of the grating module is connected to monolithic
The input of machine；The output end of the Vehicular accumulator cell is connected to the input of single-chip microcomputer；The single-chip microcomputer is connected to waveform control
Circuit processed；The output end of the waveform control circuit is connected to the input of comparison circuit；The output end of the comparison circuit connects
Then the input of heating module；The output end of the protection circuit is connected to the input of waveform control circuit；The monolithic
The output end of machine is connected to the input of relay；The output end of the single-chip microcomputer is connected to the input of drive module；It is described
The output end of drive module is connected to the input of massage motor；The output end of the display module is connected to the input of single-chip microcomputer
End.
A kind of 2. intelligence control system of seat according to claim 1, it is characterised in that：The single-chip microcomputer uses
AT89C51 single-chip microcomputers.
A kind of 3. intelligence control system of seat according to claim 1, it is characterised in that：The thermistor is adopted
Use NTC thermistor.
A kind of 4. intelligence control system of seat according to claim 1, it is characterised in that：The grating module bag
Include SGC-4.2 types grating scale and QA740210 IC chips.
A kind of 5. intelligence control system of seat according to claim 1, it is characterised in that：The comparison circuit is adopted
With 2 input nand gate Schmidt triggers and the voltage comparators of LM2901 tetra-.
A kind of 6. intelligence control system of seat according to claim 1, it is characterised in that：The drive module is adopted
With L298N chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720739184.2U CN206920875U (en) | 2017-06-23 | 2017-06-23 | A kind of intelligence control system of seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720739184.2U CN206920875U (en) | 2017-06-23 | 2017-06-23 | A kind of intelligence control system of seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206920875U true CN206920875U (en) | 2018-01-23 |
Family
ID=61322766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720739184.2U Expired - Fee Related CN206920875U (en) | 2017-06-23 | 2017-06-23 | A kind of intelligence control system of seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206920875U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116786A (en) * | 2018-09-29 | 2019-01-01 | 杭州通悟科技有限公司 | A kind of vehicle mounted massaging seat control system |
| CN113727881A (en) * | 2019-04-29 | 2021-11-30 | 大陆泰密克微电子有限责任公司 | Seat control device and vehicle seat having such a seat control device |
-
2017
- 2017-06-23 CN CN201720739184.2U patent/CN206920875U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116786A (en) * | 2018-09-29 | 2019-01-01 | 杭州通悟科技有限公司 | A kind of vehicle mounted massaging seat control system |
| CN113727881A (en) * | 2019-04-29 | 2021-11-30 | 大陆泰密克微电子有限责任公司 | Seat control device and vehicle seat having such a seat control device |
| CN113727881B (en) * | 2019-04-29 | 2023-11-10 | 大陆泰密克微电子有限责任公司 | Seat control device and vehicle seat with such a seat control device |
| US11865950B2 (en) | 2019-04-29 | 2024-01-09 | Conti Temic Microelectronic Gmbh | Seat control device and vehicle seat having such a seat control device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20180623 |