CN101315561A - Memory type rear view mirror and armchair control system - Google Patents
Memory type rear view mirror and armchair control system Download PDFInfo
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- CN101315561A CN101315561A CNA2008100340031A CN200810034003A CN101315561A CN 101315561 A CN101315561 A CN 101315561A CN A2008100340031 A CNA2008100340031 A CN A2008100340031A CN 200810034003 A CN200810034003 A CN 200810034003A CN 101315561 A CN101315561 A CN 101315561A
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Abstract
A memory-storing wing mirrors and seats control system belongs to the automobile electronic control technique field, wherein, an electronic control unit responses to signals and sends out various control instructions; a sensor is used for detecting and providing signals required by a control system and transmits the detected signals to the electronic control unit; an actuator acts according to the instructions of the electronic control unit to complete the instructions sent out by the electronic control unit; a memory-storing circuit is used for storing the position information of the wing mirrors and seats; a wing-mirror regulating circuit and a seat regulating circuit regulate the movement of the right and left wing mirror and the seats according to the control signals of the electronic control unit; a keyboard control circuit inputs control signals by keys to the electronic control unit and stores the regulation information of seats and wing mirrors; a signal collecting circuit collects the position signals of seats and wing-mirror by a sensor and feeds back the position signals to the electronic control unit. The invention can control the wing mirrors and the seats together.
Description
Technical field
The present invention relates to the electronic control system in a kind of AE field, specifically is a kind of memory storage formula rearview mirror and seat control system.
Background technology
The vehicle of domestic outfit memory storage formula rearview mirror has only the top-of-the-range version of import, and the position that memory storage formula rearview mirror can the memory storage rearview mirror is so that calling station information when needing makes things convenient for the driver to use.Domestic automobile enterprise does not launch the research and development of memory storage formula rearview mirror basically, the vehicle of domestic such rearview mirror of use all is the vehicle and the import vehicle of joint venture, the Zheng Rongliang of Jiangsu University etc. designed for memory storage formula rearview mirror in 2004, but the pure theory design of circuit and the design of software flow have just been carried out in this design, do not carry out actual research and test.For the design of seat adjustment memory-type, domestic enterprise is not because starting than later, is carried out the exploitation of memory storage formula seat basically.
Find " design of motorcar electric memory rearview mirror control system " by prior art documents. (auto technology .2005, No 2, and pp23-26 Zheng Rong is good, Qian Junfeng, Yong Jun.) in this piece article, adopt the Single-chip Controlling direct current generator to regulate the position of rearview mirror, remember the different drivers correct position required to rearview mirror.Because have interaction relation between seat position and the rearview mirror, seat position has determined the position of rearview mirror, has adjusted a position, another one generally also needs to make corresponding adjustment.At present more external enterprises are not to carry out simultaneously for the R﹠D work of memory storage formula rearview mirror and seat, but developed the rearview mirror control system of independent memory storage formula earlier, developed seat control system then on this basis, as rearview mirror and the seat control system of Lexus LS400, in fact two control system are to control by different ECU (electronic control unit).
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of memory storage formula rearview mirror and seat control system are provided.The present invention jointly controls rearview mirror and seat.The control system of memory storage formula controller of the present invention by concentrating, can finish rearview mirror up and down and the angular setting of left and right directions, the front and back slip of seat, the front and back lifting of seat and the adjustment of chair back angle.The driver can adjust the position of rearview mirror and seat according to individual own characteristic and driving habits, carries out memory storage then, and behind position change, the driver can use restore funcitons to carry out easily the position to restore.
The present invention is achieved by the following technical solutions, the present invention includes: ECU (electronic control unit), power supply, sensor, actuator, memory storage circuit, rearview mirror regulating circuit, seat adjustment circuit, keyboard control circuit, signal acquisition circuit, crystal oscillating circuit, power supply stabilization circuit, electric source filter circuit.With the electronic control unit is core, and electronic control unit is connected with power supply, sensor, actuator, memory storage circuit, rearview mirror regulating circuit, seat adjustment circuit, keyboard control circuit, signal acquisition circuit, crystal oscillating circuit, power supply stabilization circuit, electric source filter circuit respectively.
Described ECU (electronic control unit) is the core component of Auto Electronic Controlled System, and the information of sensor passes is processed processing, by the control program of establishment in advance signal is made response, and sends various steering orders.
The various signals that be responsible for to detect and provide control system to need are provided described sensor, comprise the angle signal of rearview mirror, the position of seat and angle signal, and opening/closing door of vehicle, the speed of a motor vehicle, astern signal, sensor passes to electronic control unit with detected signal.
Described actuator is the mechanism and the device that can convert the electrical signal to mechanical motion, and actuator moves according to the indication of electronic control unit, finishes the various instructions that electronic control unit sends.The instruction of electronic control unit exists with the form of electric signal, and actuator converts the electrical signal to physical quantitys such as power or displacement.The electronic adjustment of each position or angle all is to drive as driver by the permanent magnetic DC motor in this controller.
Described memory storage circuit, be used to store the positional information of rearview mirror and seat so that electronic control unit calls at any time, because the content of memory storage circuit needs real time modifying, so can not use the storage space in the electronic control unit, and need this memory storage circuit of design separately, be that the Electrically Erasable Read Only Memory of erasable storage is realized by not needing detachment system.
Described rearview mirror regulating circuit is regulated the motion of left and right sides rearview mirror according to the control signal of electronic control unit;
Described seat adjustment circuit is regulated the motion of seat according to the control signal of electronic control unit;
Described keyboard control circuit, by button to the electronic control unit input control signal, and storage seat, the rearview mirror information of regulating;
Described signal acquisition circuit by sensor acquisition seat and position of rear view mirror signal, and returns to electronic control unit.
Described crystal oscillating circuit is for system provides basic clock signal, so that the each several part circuit keeps synchronously.
Described power supply stabilization circuit for each circuit of system provides the operating voltage that needs, and keeps the stable operating voltage of output.
Described electric source filter circuit is that the clutter for fear of automobile power source influences system works, inserts filter capacitor between each power supply input and ground.
Described actuator comprises: motor, left and right sides rearview mirror, seat, left and right sides rearview mirror, seat are connected with corresponding motor independently.Electronic control unit connects sensor and actuator, thus the adjustment of control rearview mirror and seat position.The driver can adjust rotation up and down and two positions of left-right rotation of left and right sides rearview mirror, slides and four positions of chair back angle in the preceding lifting of seat, back lifting, front and back.All position adjustment all are to regulate by the two-way rotation of motor, and all positional informations all are that the sensor acquisition by relevant position obtains.
Described electronic control unit is connected with the rearview mirror regulating circuit by 4 pins, be respectively the effective pin of left and right sides rearview mirror, 3 control pins, 3 control signals are handled by the 3-8 code translator respectively, export 8 control signals, rearview mirror and seat all adopt the permanent magnetic DC direct motor drive, and the driving circuit that connects motor drives two motors of left and right sides rearview mirror by bridge circuit.Right back visor uses the effective pin of right back visor separately, with shared three the control pins of left-hand mirror, drives two motors of right back visor by 3-8 code translator control bridge drive circuit.
Described electronic control unit is connected with the seat adjustment circuit by 4 pins, be respectively the effective pin of seat, 3 control pins, 3 control signals are handled by the 3-8 code translator, export 8 signals, be that preceding rising, preceding decline, back raise, the back descends respectively, to front slide, slide backward, chair back angle becomes big and chair back angle diminishes, these 8 control signals drive four relays by 8 road Darlingtons, thereby control four machine operation.
Described keyboard control circuit comprises adjusting key and memory function key.The conditioning signal of adjusting key input inputs to electronic control unit by priority encoder.The memory function key has five, is respectively storage, recovers and three position keys.Keyboard has the adjustment of eight key control seats, be respectively to front slide, slide backward, preceding rising, preceding decline, back raise, the back descends, chair back angle becomes big, chair back angle and diminishes.The corresponding respectively keyboard control circuit that inserts of these eight keys, input control signal is to control corresponding machine operation.Five rearview mirror operating keys are arranged on the keyboard, be respectively a left side/right options button, left-hand rotation, right-hand rotation, go up commentaries on classics, change down, these 5 keys directly connect rear-view mirror control circuit and directly rotate with drive motor.
Described signal acquisition circuit comprises rearview mirror sample circuit and seat sample circuit.The rearview mirror sample circuit adopts the potential difference (PD) sensor that the rearview mirror position is monitored, and returns analog voltage signal, converts digital signal transfers to through analog digital and handles to electronic control unit.The sampled signal of seat sample circuit is by the sensor monitors collection, displacement transducer in lifting before the seat, back lifting, the front and back sliding motor is the Hall-type switch sensor, output to Hall element is handled, and produces a high level or low level pulse signal and returns.It is the tongue tube limit position sensor that Chair back is regulated the motor inner sensor, and signal also returns with impulse form.
The course of work of the present invention is as follows: when carrying out rearview mirror and seat adjustment, keyboard is input instruction at first, instruction input electronic control unit, electronic control unit call relevant program calculate with logic analysis after output steering order control related circuit or machine operation to finish the adjusting of rearview mirror and seat position.After adjusting is finished, can carry out the memory storage of position.Memory storage is equally by keyboard input storage signal, after in the memory storage signal input electronic control unit, electronic control unit is stored in the read-only storage of erasable programmable with the positional information with rearview mirror and seat by corresponding programmed control memory storage circuit.The location restore of rearview mirror and seat equally also is by keyboard input signal, and restoring signal passes to electronic control unit and comes automatic control motor to carry out work to recover the position of rearview mirror and seat to control corresponding recovery routine.The memory storage of position and location restore are divided into two kinds of reverse gear and non-reverse gears.The location storage and the position of recovering storage simultaneously or recovering left and right sides rearview mirror and seat during non-reverse gear are only stored separately right rear during reverse gear and are recovered.
The present invention has developed a kind of memory storage formula rearview mirror and seat controller.Obtained certain application on the high-end vehicle of abroad some of controller of the same type, but the dcs that all is to use two electronic control units that it adopts, and the present invention only uses the electronic control unit of a microprocessor, is the design of an innovation.Sort controller can motorized adjustment left and right sides rearview mirror up and down and about two angle positions, chair surface anterior and posterior height position, before and after sliding position and chair back angle position, and can be when adjusting the memory storage positional information and in needs calling station information.The present invention has provided complete design proposal and has carried out the test and the accuracy test of prototype system, has all reached and has preset functional requirement and accuracy requirement.Because the cost of the memory storage formula controller of external import is quite high, the present invention has positive effect to the research and development that improve state's inside rear-view mirror and seat control system, and certain industrial application value is arranged.
Description of drawings
Fig. 1 is an embodiment of the invention structured flowchart
Fig. 2 is keyboard control circuit figure of the present invention
Fig. 3 is rearview mirror sample circuit figure of the present invention
Fig. 4 is seat sample circuit figure of the present invention
Fig. 5 simulates the Port Multiplier circuit diagram for the present invention
Fig. 6 is crystal oscillating circuit figure of the present invention
Fig. 7 is power supply stabilization circuit figure of the present invention
Fig. 8 is electric source filter circuit figure of the present invention
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
The present invention includes ECU (electronic control unit), power supply, sensor, actuator, memory storage circuit, rearview mirror regulating circuit, seat adjustment circuit, keyboard control circuit, signal acquisition circuit, crystal oscillating circuit, power supply stabilization circuit, electric source filter circuit.
Electronic control unit is connected with power supply, sensor, actuator, memory storage circuit, rearview mirror regulating circuit, seat adjustment circuit, keyboard control circuit, signal acquisition circuit, crystal oscillating circuit, power supply stabilization circuit, electric source filter circuit respectively, wherein:
Described electronic control unit is processed processing to the information of sensor passes, by the control program of establishment in advance signal is made response, and sends various steering orders;
The various signals that be responsible for to detect and provide control system to need are provided described sensor, comprise the angle signal of rearview mirror, the position of seat and angle signal, and opening/closing door of vehicle, the speed of a motor vehicle, astern signal, sensor passes to electronic control unit with detected signal;
Described actuator is the mechanism and the device that can convert the electrical signal to mechanical motion, and actuator moves according to the indication of electronic control unit, finishes the various instructions that electronic control unit sends;
Described memory storage circuit is used to store the positional information of rearview mirror and seat so that electronic control unit calls at any time;
Described rearview mirror regulating circuit is regulated the motion of left and right sides rearview mirror according to the control signal of electronic control unit, is respectively to turn left, turn right, go up and change, change down;
Described seat adjustment circuit is regulated the motion of seat according to the control signal of electronic control unit;
Described keyboard control circuit, by button to the electronic control unit input control signal, and storage seat, the rearview mirror information of regulating;
Described signal acquisition circuit by sensor acquisition seat and position of rear view mirror signal, and returns to electronic control unit;
Described power supply stabilization circuit for each circuit of system provides the operating voltage that needs, and keeps the stable operating voltage of output;
Described electric source filter circuit is used to avoid the clutter of automobile power source to influence system works, inserts filter capacitor between each power supply input and ground.
As shown in Figure 1, ECU, power supply, sensor and actuator constitute the hardware system of present embodiment, and ECU is connected with power supply, sensor and actuator respectively.
Described actuator comprises: motor, left and right sides rearview mirror, seat, left and right sides rearview mirror, seat are connected with corresponding motor independently.ECU connects sensor and actuator, thus the adjustment of control rearview mirror and seat position.The driver can adjust rotation up and down and two positions of left-right rotation of left and right sides rearview mirror, the preceding lifting of seat, and back lifting, slide and four positions of chair back angle in front and back.All position adjustment all are to regulate by the two-way rotation of motor, and all positional informations all are that the sensor acquisition by relevant position obtains.
The control chip that electronic control unit adopted is the automobile-used 8-bit microprocessor of Motorola Semiconductor Inc, the chip of 68HC08 series.It is fast that this chip has speed, the efficient height, and power consumption is little, the advantage that price is low.
Below the pin annexation and the operating position thereof of M68HC908GT8 chip (Motorola Inc. produce, M68HC08 series) are given explanation.
1, V
DDAnd V
SS
Power supply is supplied with pin.V
DDJust connect power supply, V
SSGround connection.
2, OSC1 and OSC2
The oscillator pin.External crystal-oscillator circuit.
3、RST
Low level active homing end.A logic low input can make ECU reset.Simultaneously, this port is two-way input/output terminal, when reset signal appears in inside, makes system reset.Pull-up resistor is contained in this pin inside.
4、IRQ
The external interrupt pin has internal pull-up resistor.
5, V
DDAAnd V
SSA
The power supply supply side of A/D converter and internal clock generator (Internal Clock Generator-ICG).V
DDAWith V
DDVoltage is the same, V
SSAWith V
SSVoltage is the same.
6, V
REFHAnd V
REFL
The height voltage input end of A/D converter.V
REFHBe high voltage input reference, need filtering.V
REFHNeed and V
DDAEquipotential.V
REFLBe low reference voltage, need filtered external.V
REFLNeed and V
SSAEquipotential.
7, PA-I/O end (PTA7/KBD7-PTA0/KBD0)
8 general two-way I/O mouths are whenever thought all variable keyboard input pin that becomes.When doing input, can select pull-up resistor.PTA0 connects artificial circuit.PTA1 connects the left-hand mirror regulating circuit, makes the effective pin of left-hand mirror.PTA2 connects the keyboard input circuit.PTA3-PTA6 connects signal acquisition circuit, connects the simulation Port Multiplier and makes useful signal and input signal.PTA7 connects the EEPROM of memory storage circuit.
8, PB-I/O end (PTB7/AD7-PTA0/AD0)
8 general two-way I/O mouths can be used as the A/D input.PTB0-PTB3 connects signal acquisition circuit, does left and right sides rearview mirror acquired signal input, and carries out the A/D conversion.PTB4-PTB7 connects the rearview mirror regulating circuit, and wherein PTB4 provides right back visor useful signal, and the code translator that PTB5-PTB7 makes rearview mirror control signal input rearview mirror regulating circuit carries out signal Processing.
9, PC-I/O end (PTC6-PTC0)
7 general two-way I/O mouths.When doing input, can select pull-up resistor.PTC0, PTC1 and PTC3 connect artificial circuit; PTC2, PTC4-PTC6 connect the keyboard input circuit.
10, PD-I/O end (PTD7/T2CH1-PTD0/SS)
8 two-way I/O mouths of specific function.Usually PTD0-PTD3 can be used as the SPI pin, and PTD4-PTD7 can be respectively applied for timer module TIM1 and TIM2.When doing input, can select pull-up resistor.PTD0-PTD3 connects the rearview mirror regulating circuit, and the code translator of making rearview mirror conditioning signal input rearview mirror regulating circuit is to control the output of its work and signal.PTD4 connects the simulation Port Multiplier of signal acquisition circuit, does the look-at-me input.PTD5-PTD7 connects the EEPROM of memory storage circuit.
11, PE-I/O end (PTE2, PTE1/RxD, and PTE0/TxD)
2 general two-way I/O mouths can be used as serial communication interface.PTE0, PTE1, PTE2 connect the keyboard input circuit.
Below each above-mentioned circuit of the present invention is further detailed:
1: the memory storage circuit
The memory storage circuit is used to store the positional information of rearview mirror and seat so that call at any time.The model that present embodiment adopts Atmel company to produce is that the EEPROM (Electrically Erasable Read Only Memory) of AT93C46 carries out memory storage.Wherein, 5,6 pin ground connection, 8 pin connect power supply, and 7 pin do not use, and all the other four pin connect ECU, form the memory storage circuit.39 pins of CS (chip selection signal) termination ECU, ESCK (serial clock signal) connects 19 pins of ECU, and EDI (serial data input) connects 20 pins of ECU, and EDO (serial data output) connects 21 pins of ECU.
2: the rearview mirror regulating circuit
The adjusting of left and right sides rearview mirror needs altogether 8 control signals, and about comprising each 4 is respectively to go up to change, change down, turn left and turn right.Rearview mirror and seat all adopt the permanent magnetic DC motor, and totally 8, wherein rearview mirror is 4, operating voltage 12V, and motor is with the adjustment of rotating control both forward and reverse directions.
The left-hand mirror control circuit uses 4 pins of ECU, is respectively pin 33, pin 27, pin 28, pin 29.Pin 33 is the effective pins of left-hand mirror, and pin 28, pin 29, pin 27 are 3 control pins.(74LS138 is a high-performance commonly used to 3 control signals by 3-8 code translator 74LS138 respectively, low delay 3-8 code translator, be generally used for memory circuit and data transmission system circuit) handle, export 8 control signals, 8 control signals enter impact damper 7407, and (7407 is special gate circuits, also be hex buffer, i.e. effect is equivalent to 6 impact dampers).
Right back visor control circuit uses 4 pins of ECU, is respectively pin 26, pin 27, pin 28, pin 29.Pin 26 is the effective pins of right back visor, and pin 28, pin 29, pin 27 are 3 control pins.3 control signals are handled by 3-8 code translator 74LS238 (74LS238 is a high-performance commonly used, and low delay 3-8 code translator is generally used for memory circuit and data transmission system circuit) respectively, export 8 control signals, and 8 control signals enter impact damper.Three 7407 impact dampers (7407 is special gate circuits, also is hex buffer, i.e. effect is equivalent to 6 impact dampers) have the output of 16 road signals, are respectively to connect 1, connect 2, connect 3, connect 4, connect 5, connect 6, connect 7, connect 8, connect 9, connect 10, connect 11, connect 12, connect 13, connect 14, connect 15, connect 16.This 16 tunnel output signal is connected to motor-drive circuit.Motor-drive circuit drives 2 motors of left-hand mirror by H type bridge circuit.
Described H type bridge circuit is common motor-drive circuit, and according to four jiaos of square placements, the centre connects motor by four triodes.Four triodes are that two models are that 8550 positive-negative-positive triode and two models are 8050 NPN type triode.
3: the seat adjustment circuit
Seat adjustment needs 8 control signals, be that preceding rising, preceding decline, back raise, the back descends respectively, to front slide, slide backward, chair back angle becomes big and chair back angle diminishes.It is pin 15 that the seat control circuit uses 4 pins of ECU, pin 12, pin 13, pin 14.Pin 15 is the effective pins of seat, and pin 12, pin 13, pin 14 are 3 control pins.3 control signals are handled by 3-8 code translator 74LS238, export 8 signals, these 8 signals are imported 8 road Darlington driver ULN2803 and are driven 4 relay J QC-16F, driver the 1 tunnel output connects the 2nd pin of first relay, driver the 2 tunnel output connects the 7th pin of first relay, driver the 3 tunnel output connects the 2nd pin of second relay, driver the 4 tunnel output connects the 7th pin of second relay, driver the 5 tunnel output connects the 2nd pin of the 3rd relay, driver the 6 tunnel output connects the 7th pin of the 3rd relay, driver the 7 tunnel output connects the 7th pin of the 4th relay, insert a resistance between the 10th pin of first relay and the 5th pin, connect and compose the loop with the front and back sliding motor of seat, insert a resistance between the 10th pin of second relay and the 5th pin, connect and compose the loop with the preceding lifting motor of seat, insert a resistance between the 10th pin of the 3rd relay and the 5th pin, connect and compose the loop with the back lifting motor of seat, insert a resistance between the 10th pin of the 4th relay and the 5th pin, connect and compose the loop with the chair back anteversion and retroversion motor of seat, control 4 machine operation.The pin 1-8 pin of Darlington driver is connected with eight output signals of 74LS238 one by one for input, and the 11-18 pin is output, 9 pin ground connection, and 10 pin connect power positive end, are used for protection.3,4,6,8,9 pin ground connection of relay.
4: keyboard control circuit
As shown in Figure 2, keyboard is divided into adjusting key and memory function key.The conditioning signal of adjusting key input inputs to 34 pin of ECU, 8 pin, 4 pin, 9 pin by priority encoder SN74LS148N.The memory function key has 5, is respectively storage, recovery and position M1,2,3 keys.Memory function key one key one line is connected into 6 pin of ECU, 7 pin, 10 pin, 42 pin.
5: signal acquisition circuit
(1) rearview mirror sample circuit
As shown in Figure 3.Rearview mirror adopts the potential difference (PD) sensor to be connected to ECU.Be the pin 22 that the left-hand mirror horizontal coordinate connects ECU, the left-hand mirror vertical coordinate connects the pin 23 of ECU, and right back visor horizontal coordinate connects the pin 24 of ECU, and right back visor horizontal coordinate connects the pin 25 of ECU.
Rearview mirror potential difference (PD) sensor detects the rearview mirror position, return analog voltage signal, transmit signal by the 20K resistor, indication left-hand mirror horizontal coordinate, the left-hand mirror vertical coordinate, right back visor horizontal coordinate, right back visor vertical coordinate .20K resistor leaches clutter by capacity earth.
(2) seat sample circuit
As shown in Figure 4.The sampled signal of seat sample circuit is by the sensor collection.Displacement transducer in lifting before the seat, back lifting, the front and back sliding motor is a hall sensor, and it is the tongue tube limit position sensor that Chair back is regulated the motor inner sensor.Signal returns with impulse form.
Seat sensor is connected to ECU by simulation Port Multiplier MC74HC4051N.
The pin of described simulation Port Multiplier connects situation as shown in Figure 5. Seat signal 1,2,3,4 is connected with 38,37,36,35 pins of ECU respectively.Look-at-me (intsignal) is connected to 18 pins of ECU.
6: crystal oscillating circuit
As shown in Figure 6, described crystal oscillating circuit comprises the electric capacity parallel connection of two 18pF, the middle resistance that inserts crystal oscillator and 10M Europe, and two output pins and electronic control unit link the other end ground connection in loop.
7: power supply stabilization circuit
As shown in Figure 7, power supply stabilization circuit is made of voltage stabilizer 7805.Voltage stabilizer 7805 is fixed positive pressure integrated regulators of using always, and 3 ends are arranged, 2 end ground connection, the input of 1 end, the output of 3 ends.Input voltage range is 5-24V, and the output maximum current is 1A.In the present embodiment, 7805 effect is the stable 5V voltage of output.
8: electric source filter circuit
Described electric source filter circuit has used i.e. in parallel formation of electric capacity of 0.1 microfarad of 26 100N electric capacity, and physical circuit figure as shown in Figure 8.
Implementation process is as follows: automotive ignition start-up system at first, and system promptly enters waiting status, and system does not work under the waiting status, enters duty behind the keyboard input control signal.When key was pressed, the condition whether systems inspection satisfies controller work was that closing of the door, automobile stop.If satisfy to regulate do not regulate, promptly car door do not close or automobile under steam, system returns waiting status.If satisfy, then system carries out the hardware system initialization, so that controller is regulated, stored or operation such as recovery.The button that system identification was pressed after initialization was finished if adjusting key, is promptly controlled the button of rearview mirror and seat adjustment, then enters adjustment state, can carry out the adjusting of rearview mirror and seat respectively.If function key then enters the function state of a control.Can start the memory function control program by storage key is stored in the current location information of rearview mirror and seat among the EEPROM; Can start that recovery routine reads the corresponding positional information that is kept in the Erasable Programmable Read Only Memory EPROM and automatic control motor is adjusted the position of rearview mirror and seat by resetkey.
After the present embodiment system start-up, during non-reverse gear, carry out an electric circulation, can use keyboard memory location M1, M2, M3 function key.During reverse gear, carry out an electric circulation, can use keyboard memory location M1, M2, M3 function key.Electric circular in definition is as follows: enable position is a meta, remember rearview mirror and seat position state under the non-reverse gear state, seat can slide into extreme position forward from meta, seat can slide backwards on extreme position, seat can drop to extreme position from meta before the seat, seat can rise to extreme position before the seat, and seat can drop to extreme position from meta behind the seat, and seat can rise to extreme position behind the seat. and Chair back can turn to extreme position forward from meta.Chair back rotates back to extreme position, the left-hand mirror minute surface is just going to extreme position from meta around Z-axis, the left-hand mirror minute surface is inverted to extreme position around Z-axis, the left-hand mirror minute surface is just going to extreme position from meta around transverse axis, the left-hand mirror minute surface is inverted to extreme position around transverse axis, right back visor minute surface is just going to extreme position from meta around Z-axis, right back visor minute surface is inverted to extreme position around Z-axis, right back visor minute surface is just going to extreme position from meta around transverse axis, right back visor minute surface is inverted to extreme position around transverse axis, recovers rearview mirror and seat position under the non-reverse gear state.
Claims (8)
1, a kind of memory storage formula rearview mirror and seat control system, it is characterized in that, comprising: electronic control unit, power supply, sensor, actuator, memory storage circuit, rearview mirror regulating circuit, seat adjustment circuit, keyboard control circuit, signal acquisition circuit, crystal oscillating circuit, power supply stabilization circuit, electric source filter circuit.With the electronic control unit is core, electronic control unit is connected with power supply, sensor, actuator, memory storage circuit, rearview mirror regulating circuit, seat adjustment circuit, keyboard control circuit, signal acquisition circuit, crystal oscillating circuit, power supply stabilization circuit, electric source filter circuit respectively, wherein:
Described electronic control unit is processed processing to the information of sensor passes, by the control program of establishment in advance signal is made response, and sends various steering orders;
The various signals that be responsible for to detect and provide control system to need are provided described sensor, comprise the angle signal of rearview mirror, the position of seat and angle signal, and opening/closing door of vehicle, the speed of a motor vehicle, astern signal, sensor passes to electronic control unit with detected signal;
Described actuator is the mechanism and the device that can convert the electrical signal to mechanical motion, and actuator moves according to the indication of electronic control unit, finishes the various instructions that electronic control unit sends;
Described memory storage circuit is used to store the positional information of rearview mirror and seat so that electronic control unit calls at any time;
Described rearview mirror regulating circuit is regulated the motion of left and right sides rearview mirror according to the control signal of electronic control unit;
Described seat adjustment circuit is regulated the motion of seat according to the control signal of electronic control unit;
Described keyboard control circuit, by button to the electronic control unit input control signal, and storage seat, the rearview mirror information of regulating;
Described signal acquisition circuit by sensor acquisition seat and position of rear view mirror signal, and returns to electronic control unit;
Described power supply stabilization circuit for each circuit of system provides the operating voltage that needs, and keeps the stable operating voltage of output;
Described electric source filter circuit is used to avoid the clutter of automobile power source to influence system works, inserts filter capacitor between each power supply input and ground.
2, memory storage formula rearview mirror according to claim 1 and seat control system, it is characterized in that, the instruction of described electronic control unit exists with the form of electric signal, actuator converts the electrical signal to power or displacement physical quantity, and the electronic adjustment of each position or angle all is to drive as driver by the permanent magnetic DC motor.
3, memory storage formula rearview mirror according to claim 1 and 2 and seat control system, it is characterized in that, described actuator comprises: motor, left and right sides rearview mirror, seat, left and right sides rearview mirror, seat is connected with corresponding motor independently, electronic control unit connects sensor and actuator, thereby the adjustment of control rearview mirror and seat position, the adjustment position comprises: two positions of the rotation up and down of left and right sides rearview mirror and left-right rotation, the preceding lifting of seat, back lifting, slide and four positions of chair back angle in front and back, all position adjustment all are to regulate by the two-way rotation of motor, and all positional informations all are to obtain by sensor acquisition.
4, memory storage formula rearview mirror according to claim 1 and seat control system is characterized in that, described memory storage circuit is realized the real time modifying of its content by the Electrically Erasable Read Only Memory of erasable storage.
5, memory storage formula rearview mirror according to claim 1 and 2 and seat control system, it is characterized in that, described electronic control unit is connected with the rearview mirror regulating circuit by 4 pins, be respectively the effective pin of left and right sides rearview mirror, 3 control pins, 3 control signals are handled by the 3-8 code translator respectively, export 8 control signals, rearview mirror and seat all adopt the permanent magnetic DC direct motor drive, and the driving circuit that connects motor drives two motors of left and right sides rearview mirror by bridge circuit; Right back visor uses the effective pin of right back visor separately, with shared three the control pins of left-hand mirror, drives two motors of right back visor by 3-8 code translator control bridge drive circuit.
6, memory storage formula rearview mirror according to claim 1 and 2 and seat control system, it is characterized in that, described electronic control unit is connected with the seat adjustment circuit by 4 pins, be respectively the effective pin of seat, 3 control pins, 3 control signals are handled by the 3-8 code translator, export 8 signals, be that preceding rising, preceding decline, back raise, the back descends respectively, to front slide, slide backward, chair back angle becomes big and chair back angle diminishes, these 8 control signals drive four relays by 8 road Darlingtons, thereby control four machine operation.
7, memory storage formula rearview mirror according to claim 1 and seat control system, it is characterized in that, described keyboard control circuit comprises adjusting key and memory function key, the conditioning signal of adjusting key input inputs to electronic control unit by priority encoder, the memory function key has five, it is respectively storage, recover and three position keys, keyboard has the adjustment of eight key control seats, be respectively to front slide, slide backward, the preceding rising, preceding decline, the back raises, the back descends, it is big that chair back angle becomes, chair back angle diminishes, the corresponding respectively keyboard control circuit that inserts of these eight keys, input control signal is to control corresponding machine operation, five rearview mirror operating keys are arranged on the keyboard, be respectively that a left side/right side is selected, turn left, turn right, last commentaries on classics, following commentaries on classics, these five keys directly connect rear-view mirror control circuit and directly rotate with drive motor.
8, memory storage formula rearview mirror according to claim 1 and seat control system, it is characterized in that, described signal acquisition circuit, comprise rearview mirror sample circuit and seat sample circuit, the rearview mirror sample circuit adopts the potential difference (PD) sensor that the rearview mirror position is monitored, return analog voltage signal, converting digital signal transfers to through analog digital handles to electronic control unit, the sampled signal of seat sample circuit is by the sensor monitors collection, lifting before the seat, back lifting, displacement transducer in the sliding motor of front and back is the Hall-type switch sensor, output to Hall element is handled, producing a high level or low level pulse signal returns, it is the tongue tube limit position sensor that Chair back is regulated the motor inner sensor, and signal also returns with impulse form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100340031A CN101315561A (en) | 2008-02-28 | 2008-02-28 | Memory type rear view mirror and armchair control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100340031A CN101315561A (en) | 2008-02-28 | 2008-02-28 | Memory type rear view mirror and armchair control system |
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| Publication Number | Publication Date |
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| CN101315561A true CN101315561A (en) | 2008-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100340031A Pending CN101315561A (en) | 2008-02-28 | 2008-02-28 | Memory type rear view mirror and armchair control system |
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| Country | Link |
|---|---|
| CN (1) | CN101315561A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101987632A (en) * | 2009-07-30 | 2011-03-23 | 比亚迪股份有限公司 | Steering column regulating mechanism |
| CN102050067A (en) * | 2010-11-24 | 2011-05-11 | 北京汽车研究总院有限公司 | Centralized control module and automobile |
| CN103345265A (en) * | 2013-06-07 | 2013-10-09 | 奇瑞汽车股份有限公司 | Device and method for storing position of automobile seat and position rearview mirror |
| CN107415776A (en) * | 2017-07-06 | 2017-12-01 | 长春富维安道拓汽车饰件***有限公司 | Seat adjustment control device based on CAN network |
| CN109375816A (en) * | 2018-11-30 | 2019-02-22 | 惠州市德赛西威汽车电子股份有限公司 | A kind of automobile middle control touch control panel device and method |
| CN111483416A (en) * | 2019-01-29 | 2020-08-04 | 南京天擎汽车电子有限公司 | Adjustment system, adjustment method, and computer-readable storage medium |
| CN112865665A (en) * | 2021-01-26 | 2021-05-28 | 大陆汽车电子(长春)有限公司 | Electronic control unit and computer program product for driving an electric machine in a sensorless manner |
| CN113716051A (en) * | 2021-08-31 | 2021-11-30 | 航宇救生装备有限公司 | Electronic controller of electric driver seat of airplane |
| CN114228575A (en) * | 2021-11-30 | 2022-03-25 | 岚图汽车科技有限公司 | Seat control system, control method and equipment thereof |
| CN115042677A (en) * | 2022-07-15 | 2022-09-13 | 上汽通用五菱汽车股份有限公司 | Seat memory system and method |
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- 2008-02-28 CN CNA2008100340031A patent/CN101315561A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101987632A (en) * | 2009-07-30 | 2011-03-23 | 比亚迪股份有限公司 | Steering column regulating mechanism |
| CN102050067A (en) * | 2010-11-24 | 2011-05-11 | 北京汽车研究总院有限公司 | Centralized control module and automobile |
| CN102050067B (en) * | 2010-11-24 | 2013-03-27 | 北京汽车研究总院有限公司 | Centralized control module and automobile |
| CN103345265A (en) * | 2013-06-07 | 2013-10-09 | 奇瑞汽车股份有限公司 | Device and method for storing position of automobile seat and position rearview mirror |
| CN103345265B (en) * | 2013-06-07 | 2016-06-01 | 奇瑞汽车股份有限公司 | A kind of equipment and method storing automotive seat and position of rear view mirror |
| CN107415776A (en) * | 2017-07-06 | 2017-12-01 | 长春富维安道拓汽车饰件***有限公司 | Seat adjustment control device based on CAN network |
| CN109375816A (en) * | 2018-11-30 | 2019-02-22 | 惠州市德赛西威汽车电子股份有限公司 | A kind of automobile middle control touch control panel device and method |
| CN111483416A (en) * | 2019-01-29 | 2020-08-04 | 南京天擎汽车电子有限公司 | Adjustment system, adjustment method, and computer-readable storage medium |
| CN112865665A (en) * | 2021-01-26 | 2021-05-28 | 大陆汽车电子(长春)有限公司 | Electronic control unit and computer program product for driving an electric machine in a sensorless manner |
| CN113716051A (en) * | 2021-08-31 | 2021-11-30 | 航宇救生装备有限公司 | Electronic controller of electric driver seat of airplane |
| CN113716051B (en) * | 2021-08-31 | 2023-11-17 | 航宇救生装备有限公司 | Electronic controller for aircraft electric driver seat |
| CN114228575A (en) * | 2021-11-30 | 2022-03-25 | 岚图汽车科技有限公司 | Seat control system, control method and equipment thereof |
| CN114228575B (en) * | 2021-11-30 | 2023-01-24 | 岚图汽车科技有限公司 | Seat control system, control method and equipment thereof |
| CN115042677A (en) * | 2022-07-15 | 2022-09-13 | 上汽通用五菱汽车股份有限公司 | Seat memory system and method |
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Open date: 20081203 |