CN105197110A - Intelligent vehicle steering display device - Google Patents

Intelligent vehicle steering display device Download PDF

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Publication number
CN105197110A
CN105197110A CN201510663984.6A CN201510663984A CN105197110A CN 105197110 A CN105197110 A CN 105197110A CN 201510663984 A CN201510663984 A CN 201510663984A CN 105197110 A CN105197110 A CN 105197110A
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CN
China
Prior art keywords
port
micro controller
angular transducer
modular converter
gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510663984.6A
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Chinese (zh)
Inventor
周忠坡
王海英
郭腾
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Henan Normal University
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Henan Normal University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan Normal University filed Critical Henan Normal University
Priority to CN201510663984.6A priority Critical patent/CN105197110A/en
Publication of CN105197110A publication Critical patent/CN105197110A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an intelligent vehicle steering display device. An angle sensor supporting body is arranged below a steering knuckle, a steering knuckle gear is fixed to the bottom of the steering knuckle, an angle sensor is fixed to the bottom of the angle sensor supporting body and is connected with a control unit in a cab through a data line, an angle sensor gear is arranged at the top of the angle sensor, a transmission shaft is arranged between the angle sensor and the steering knuckle and fixed to the angle sensor supporting body through a bearing and a supporting rod, and a driving gear meshed with the steering knuckle gear and a driven gear meshed with the angle sensor gear are arranged at the two ends of the transmission shaft respectively. Signals collected by the angle sensor are output in an analog quantity form and input into a single chip microcomputer through an A/D conversion module, the single chip microcomputer processes the collected signals, the rotating angle of vehicle wheels is displayed on an LED display module, and a voice prompt module is used for giving out a voice prompt.

Description

A kind of intelligent vehicle turns to read out instrument
Technical field
The invention belongs to automotive wheel deflection angle display device technology field, be specifically related to a kind of intelligent vehicle turns to read out instrument.
Background technology
Along with the continuous progress of society, automobile comes into huge numbers of families gradually.But, for current automobile, need reversing when we drive a car, fall storehouse or side when stopping, all can have an accident because of not knowing the concrete angle that automotive wheel rotates and lose time.In addition, when some new hands are driven, also accident be can again and again there is because of the rotation situation not knowing automotive wheel, huge personal safety hidden danger and property damage caused to automobile driver.
Summary of the invention
The technical matters that the present invention solves there is provided a kind of intelligent vehicle turns to read out instrument.
The present invention adopts following technical scheme for solving the problems of the technologies described above, a kind of intelligent vehicle turns to read out instrument, comprise steering swivel, it is characterized in that: the below of steering swivel is provided with angular transducer supporter, steering swivel gear is fixed with in the bottom of steering swivel, angular transducer is fixed on the base plate of angular transducer supporter, and this angular transducer is connected with the control unit of cabin interior by data line, angular transducer gear is provided with at the top of angular transducer, transmission shaft is provided with between angular transducer and steering swivel, this transmission shaft is fixed on angular transducer supporter by bearing and pole, the driven gear being respectively equipped with at the two ends of transmission shaft the driving gear be meshed with steering swivel gear and being meshed with angular transducer gear, the control unit of cabin interior comprises angular transducer driver module, A/D modular converter, crystal oscillator module, LED display module, voice cue module and micro controller system, the VCC port of angular transducer adopts the DC-voltage supply of+12V, two output ports of angular transducer are connected with DE port with the RE port of angular transducer driver module respectively, the RO port of angular transducer driver module connects the high level of+5V, the DI port of angular transducer driver module connects low level, the A port of angular transducer driver module is connected with IN1 port with the IN2 port of A/D modular converter respectively with B port, the EOC port of A/D modular converter is connected with the P1.7 port of micro controller system, the OUTPUTENABLE port of A/D modular converter is connected with the P1.6 port of micro controller system, the COLOCK port of A/D modular converter is connected with the P1.5 port of micro controller system, the 2-1MSB port of A/D modular converter is connected with the P2.5 port of micro controller system, the 2-2 port of A/D modular converter is connected with the P2.4 port of micro controller system, the 2-3 port of A/D modular converter is connected with the P2.3 of micro controller system, the 2-4 port of A/D modular converter is connected with the P2.2 port of micro controller system, the 2-5 port of A/D modular converter is connected with the P2.1 port of micro controller system, A/D modular converter 2-6 port is connected with the P2.0 of micro controller system, the 2-7 port of A/D modular converter is connected with the P0.7 port of micro controller system, the 2-8LSB port of A/D modular converter is connected with the P0.6 port of micro controller system, the IN0 port of A/D modular converter connects variable high level, VCC port and the VREF(+ of A/D modular converter) port is connected high level jointly, the VREF(-of A/D modular converter) port, ADDB port is connected low level respectively with GND port, the FPDP of crystal oscillating circuit is connected with XTAL2 port with the XTAL1 port of micro controller system respectively, LED display module is used for the rotational angle of display automobile wheel, the D0-D7 port of this LED display module successively with the P0.0 port of micro controller system, P0.1 port, P0.2 port, P0.3 port, P0.4 port, P0.5 port, P1.0 port is connected with P1.1 port, the RS port of LED display module is connected with the P1.2 port of micro controller system, the RW port of LED display module is connected with the P1.3 port of micro controller system, the E port of LED display module is connected with the P1.4 port of micro controller system, the FPDP of voice cue module is connected with the P2.6 port of micro controller system.
The signal that angular transducer collects by the present invention is with analog output, micro controller system is input to by A/D modular converter, micro controller system processes the signal collected, the anglec of rotation of display automobile wheel in LED display module, and utilizes voice cue module to send voice message.
Accompanying drawing explanation
fig. 1it is the structural representation of automobile steering operation mechanism figure;
fig. 2it is the inner structure signal of angular transducer supporter figure;
fig. 3it is the structural representation of micro controller system in control unit figure;
fig. 4it is the circuit theory of angular transducer driver module and A/D modular converter in control unit figure;
fig. 5it is the circuit theory of LED display module in control unit figure;
fig. 6it is the circuit theory of voice cue module in control unit figure;
fig. 7it is the circuit theory of crystal oscillator module in control unit figure.
figureface illustrates: 1, steering handwheel, 2, steering shaft, 3, steering swivel, 4, wheel flutter, 5, track arm, 6, tierod, 7, rack and pinion steering gear, 8, angular transducer, 9, universal-joint, 10, turn to spring, 11, ball cap, 12, data line, 13, angular transducer gear, 14, pole, 15, driving gear, 16, driven gear, 17, steering swivel gear, 18, angular transducer supporter, 19, transmission shaft, 20, bearing.
Detailed description of the invention
In conjunction with accompanying drawingdescribe particular content of the present invention in detail.By fig. 1known, chaufeur passes through steering shaft 2 input gear rack-type steering gear 7 to the steering torque that steering handwheel 1 applies, tierod 6 is passed in the motion of the moment after rack and pinion steering gear 7 amplifies, pass to the track arm 5 be fixed on steering swivel 3 again, the wheel flutter 4 that steering swivel 3 and it are supported deflects, thus changes the travel direction of automobile.Tierod 6 and track arm 5 belong to steering gear, steering control mechanism is made up of steering handwheel 1 and steering shaft 2, its effect is that the actuating force of chaufeur being rotated steering handwheel 1 passes to rack and pinion steering gear 7, the mode that rack and pinion steering gear 7 adopts two ends to export, its upper end is connected with universal-joint 9 and steering shaft 2 by spline, wheel flutter 4 horizontal arrangement engaged with steering gear, two ends are connected with tierod 6 by ball cap 11, spring 10 is turned to be pressed against on gear by briquetting by rack and pinion steering gear 7, ensure tight mesh, turn to the predetermincd tension adjustable of spring 10, when rotating steering handwheel 1, rack and pinion steering gear 7 rotates, the tooth bar be engaged with is moved vertically, thus make left and right intermediate rod drive steering swivel 3 left-right rotation, wheel steering motor is deflected, thus realize motor turning.
By fig. 2known, the below of steering swivel 3 is provided with angular transducer supporter 18, steering swivel gear 17 is fixed with in the bottom of steering swivel 3, angular transducer 8 is fixed on the base plate of angular transducer supporter 18, and this angular transducer 8 is connected with the control unit of cabin interior by data line 12, angular transducer gear 13 is provided with at the top of angular transducer 8, transmission shaft 19 is provided with between angular transducer 8 and steering swivel 3, this transmission shaft 19 is fixed on angular transducer supporter 18 by bearing 20 and pole 14, the driven gear 16 being respectively equipped with the driving gear 15 be meshed with steering swivel gear 17 at the two ends of transmission shaft 19 and being meshed with angular transducer gear 13, the control unit of cabin interior comprises angular transducer driver module, A/D modular converter, crystal oscillator module, LED display module, voice cue module and micro controller system, the VCC port of angular transducer adopts the DC-voltage supply of+12V, two output ports of angular transducer are connected with DE port with the RE port of angular transducer driver module respectively, the RO port of angular transducer driver module connects the high level of+5V, the DI port of angular transducer driver module connects low level, the A port of angular transducer driver module is connected with IN1 port with the IN2 port of A/D modular converter respectively with B port, the EOC port of A/D modular converter is connected with the P1.7 port of micro controller system, the OUTPUTENABLE port of A/D modular converter is connected with the P1.6 port of micro controller system, the COLOCK port of A/D modular converter is connected with the P1.5 port of micro controller system, the 2-1MSB port of A/D modular converter is connected with the P2.5 port of micro controller system, the 2-2 port of A/D modular converter is connected with the P2.4 port of micro controller system, the 2-3 port of A/D modular converter is connected with the P2.3 of micro controller system, the 2-4 port of A/D modular converter is connected with the P2.2 port of micro controller system, the 2-5 port of A/D modular converter is connected with the P2.1 port of micro controller system, A/D modular converter 2-6 port is connected with the P2.0 of micro controller system, the 2-7 port of A/D modular converter is connected with the P0.7 port of micro controller system, the 2-8LSB port of A/D modular converter is connected with the P0.6 port of micro controller system, the IN0 port of A/D modular converter connects variable high level, VCC port and the VREF(+ of A/D modular converter) port is connected high level jointly, the VREF(-of A/D modular converter) port, ADDB port is connected low level respectively with GND port, the FPDP of crystal oscillating circuit is connected with XTAL2 port with the XTAL1 port of micro controller system respectively, LED display module is used for the rotational angle of display automobile wheel, the D0-D7 port of this LED display module successively with the P0.0 port of micro controller system, P0.1 port, P0.2 port, P0.3 port, P0.4 port, P0.5 port, P1.0 port is connected with P1.1 port, the RS port of LED display module is connected with the P1.2 port of micro controller system, the RW port of LED display module is connected with the P1.3 port of micro controller system, the E port of LED display module is connected with the P1.4 port of micro controller system, the FPDP of voice cue module is connected with the P2.6 port of micro controller system.This system is low power consuming system, and this system is powered itself by step-down, and the program assembly language of micro controller system or C language write realization.
From above information, when steering swivel pinion rotation half cycle, namely during 36 tooth bars, angular transducer gear was by rotation one week, when steering swivel pinion rotation one week, angular transducer pinion rotation two weeks, now angular transducer is counted as 360 °, after data being amplified, carry out the accuracy rate that average effective improves angular transducer.
When there is aforesaid operations, angular transducer can detect the angle that steering swivel rotates automatically, detected information is exported by data line, can arrange angle sensor initializing before this, when the wheel of automobile is in the position with vehicle body parallel, the corner position detected of angular transducer is 0 °, when automotive wheel turns left or turn right, angular transducer can detect the angle that automotive wheel rotates, the simulate data detected is transported to the micro controller system in control unit by angular transducer by A/D conversion module, micro controller system is to this data analysis process, and in LED display module, demonstrate angle and the corresponding rotation direction of display of automotive wheel rotation, the micro controller system of control unit can make control to voice cue module simultaneously, the angle that voice cue module meeting automatic-prompting driver automotive wheel rotates.
as Fig. 3shown in, the central processing system micro controller system of intelligent steering system of the present invention is made up of AT89c51 micro controller system, wherein angular transducer adopts 485 communication modules to gather the angle of automotive wheel rotation, 485 communications protocol are multiplex in instrument, for half-duplex mode mode of operation, under this angular transducer adopts BLG100-V series high precision single-ring absolute type angular transducer to be operated in the temperature of-40-85 DEG C, export the analog signal of 1-5V, itself have and reset and change nyctitropic function, by programming, it can be resetted again.
More than show and describe groundwork of the present invention, principal character and advantage, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these changes and improvements all fall into claimed scope of the present invention.

Claims (1)

1. an intelligent vehicle turns to read out instrument, comprise steering swivel, it is characterized in that: the below of steering swivel is provided with angular transducer supporter, steering swivel gear is fixed with in the bottom of steering swivel, angular transducer is fixed on the base plate of angular transducer supporter, and this angular transducer is connected with the control unit of cabin interior by data line, angular transducer gear is provided with at the top of angular transducer, transmission shaft is provided with between angular transducer and steering swivel, this transmission shaft is fixed on angular transducer supporter by bearing and pole, the driven gear being respectively equipped with at the two ends of transmission shaft the driving gear be meshed with steering swivel gear and being meshed with angular transducer gear, the control unit of cabin interior comprises angular transducer driver module, A/D modular converter, crystal oscillator module, LED display module, voice cue module and micro controller system, the VCC port of angular transducer adopts the DC-voltage supply of+12V, two output ports of angular transducer are connected with DE port with the RE port of angular transducer driver module respectively, the RO port of angular transducer driver module connects the high level of+5V, the DI port of angular transducer driver module connects low level, the A port of angular transducer driver module is connected with IN1 port with the IN2 port of A/D modular converter respectively with B port, the EOC port of A/D modular converter is connected with the P1.7 port of micro controller system, the OUTPUTENABLE port of A/D modular converter is connected with the P1.6 port of micro controller system, the COLOCK port of A/D modular converter is connected with the P1.5 port of micro controller system, the 2-1MSB port of A/D modular converter is connected with the P2.5 port of micro controller system, the 2-2 port of A/D modular converter is connected with the P2.4 port of micro controller system, the 2-3 port of A/D modular converter is connected with the P2.3 of micro controller system, the 2-4 port of A/D modular converter is connected with the P2.2 port of micro controller system, the 2-5 port of A/D modular converter is connected with the P2.1 port of micro controller system, A/D modular converter 2-6 port is connected with the P2.0 of micro controller system, the 2-7 port of A/D modular converter is connected with the P0.7 port of micro controller system, the 2-8LSB port of A/D modular converter is connected with the P0.6 port of micro controller system, the IN0 port of A/D modular converter connects variable high level, VCC port and the VREF(+ of A/D modular converter) port is connected high level jointly, the VREF(-of A/D modular converter) port, ADDB port is connected low level respectively with GND port, the FPDP of crystal oscillating circuit is connected with XTAL2 port with the XTAL1 port of micro controller system respectively, LED display module is used for the rotational angle of display automobile wheel, the D0-D7 port of this LED display module successively with the P0.0 port of micro controller system, P0.1 port, P0.2 port, P0.3 port, P0.4 port, P0.5 port, P1.0 port is connected with P1.1 port, the RS port of LED display module is connected with the P1.2 port of micro controller system, the RW port of LED display module is connected with the P1.3 port of micro controller system, the E port of LED display module is connected with the P1.4 port of micro controller system, the FPDP of voice cue module is connected with the P2.6 port of micro controller system.
CN201510663984.6A 2015-10-15 2015-10-15 Intelligent vehicle steering display device Pending CN105197110A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510663984.6A CN105197110A (en) 2015-10-15 2015-10-15 Intelligent vehicle steering display device

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Application Number Priority Date Filing Date Title
CN201510663984.6A CN105197110A (en) 2015-10-15 2015-10-15 Intelligent vehicle steering display device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021082609A1 (en) * 2019-10-30 2021-05-06 山东理工大学 Automatic steering device of agricultural machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6325182A (en) * 1986-07-18 1988-02-02 Meidensha Electric Mfg Co Ltd Steering angle display device for-wheel steering vehicle
KR20040010025A (en) * 2002-07-22 2004-01-31 김두용 Device for displaying the steering information for vehicles
CN201030886Y (en) * 2007-05-05 2008-03-05 王粤江 Automobile steering wheel angle display device
CN201405929Y (en) * 2009-01-13 2010-02-17 浙江工商大学 Automobile steering rudder position intelligent display device
CN203427869U (en) * 2013-03-07 2014-02-12 江苏大学 Auxiliary parking system controller for automobile
CN205022682U (en) * 2015-10-15 2016-02-10 河南师范大学 Intelligent automobile turns to display device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6325182A (en) * 1986-07-18 1988-02-02 Meidensha Electric Mfg Co Ltd Steering angle display device for-wheel steering vehicle
KR20040010025A (en) * 2002-07-22 2004-01-31 김두용 Device for displaying the steering information for vehicles
CN201030886Y (en) * 2007-05-05 2008-03-05 王粤江 Automobile steering wheel angle display device
CN201405929Y (en) * 2009-01-13 2010-02-17 浙江工商大学 Automobile steering rudder position intelligent display device
CN203427869U (en) * 2013-03-07 2014-02-12 江苏大学 Auxiliary parking system controller for automobile
CN205022682U (en) * 2015-10-15 2016-02-10 河南师范大学 Intelligent automobile turns to display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021082609A1 (en) * 2019-10-30 2021-05-06 山东理工大学 Automatic steering device of agricultural machine

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Application publication date: 20151230

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