CN202345539U - Intelligent rearview mirror control device - Google Patents

Intelligent rearview mirror control device Download PDF

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Publication number
CN202345539U
CN202345539U CN2011204253735U CN201120425373U CN202345539U CN 202345539 U CN202345539 U CN 202345539U CN 2011204253735 U CN2011204253735 U CN 2011204253735U CN 201120425373 U CN201120425373 U CN 201120425373U CN 202345539 U CN202345539 U CN 202345539U
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CN
China
Prior art keywords
intelligent
rearview mirror
mirror
control
micro controller
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.)
Expired - Fee Related
Application number
CN2011204253735U
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Chinese (zh)
Inventor
余曼
田学英
冯丙寅
杜静
刘宏洁
刘从岗
王林
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Changan University
Original Assignee
Changan 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 Changan University filed Critical Changan University
Priority to CN2011204253735U priority Critical patent/CN202345539U/en
Application granted granted Critical
Publication of CN202345539U publication Critical patent/CN202345539U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an intelligent rearview mirror control device which comprises a steering wheel on an automobile, a left rearview mirror and a right rearview mirror and is characterized in that an angle sensor is connected to an output shaft of the steering wheel; two DC motors used for driving the left and the right rearview mirrors to move left and right in the horizontal direction are mounted on the left rearview mirror and the right rearview mirror respectively; driver modules are connected to the two DC motors respectively; and the device further comprises a singlechip respectively connected with the angle sensor and the driver modules. The intelligent rearview mirror control device can improve the security when a driver changes lanes or turns, and has the characteristics of high intelligent degree, convenience in use, high control precision, simple control mode and the like.

Description

A kind of intelligent back vision mirror control device
Technical field
The utility model relates to the auxiliary device of automobile, is specifically related to a kind of vehicle lane change, intelligent back vision mirror control device when turning of being used for.
Background technology
Along with rapid development of automobile industry; The automobile pollution rapid growth; The caused traffic accident of the automobile social concern that become international; According to statistics, have 32.14% traffic accident to be because chaufeur is turned, the visual constraints during lane change is caused, it is particularly important therefore to study the intelligent back vision mirror control device that a kind ofly is used to turn, enlarges during lane change the chaufeur visual range.
Summary of the invention
The purpose of the utility model is, a kind of vehicle lane change, intelligent back vision mirror control device when turning of being used for is provided, and this device has the function that enlarges the chaufeur visual range at vehicle in lane change, when turning.
In order to realize above-mentioned task, the utility model adopts following technical solution to be achieved:
A kind of intelligent back vision mirror control device comprises the bearing circle on the automobile, and left and right back mirror; It is characterized in that; Be connected with angular transducer on the described bearing circle output shaft, described left and right back mirror is separately installed with and is used for a driving left and right back mirror left side, two DC machine of horizontal motion to the right, all is connected with driver module on two DC machine; Also comprise a micro controller system, this micro controller system is connected with driver module with angular transducer respectively.
Other characteristics of the utility model are:
Described micro controller system is selected Freescale MC9S12D6128B micro controller system.
Described drive motor is selected 15BY20B01 type stepping motor for use.
Described angular transducer adopts absolute type angular-motion transducer TS2605N191E64.
Described driver module comprises power supply and 4 FETs at least.
The intelligent back vision mirror control device of the utility model has and improves chaufeur in lane change, the safety when turning, characteristics such as intelligent degree is high, easy to use, control accuracy is high, mode is simple.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the cyclogram of vehicle common back mirror when lane change, turning;
Fig. 3 is the cyclogram of vehicle back mirror of the utility model when lane change, turning;
Fig. 4 is a MC9S12D6128B micro controller system lease core plate circuit diagram;
Fig. 5 is a H bridge power drive schematic diagram.
Below in conjunction with accompanying drawing and embodiment the utility model is done further explain.
The specific embodiment
With reference to Fig. 1; Fig. 1 has provided a kind of concrete structure of intelligent back vision mirror control device, comprises the bearing circle on the automobile, and left and right back mirror; It is characterized in that; Be connected with angular transducer on the described bearing circle output shaft, described left and right back mirror is separately installed with and is used for a driving left and right back mirror left side, two DC machine of horizontal motion to the right, all is connected with drive circuit module on two DC machine; Also comprise a micro controller system, this micro controller system is connected with drive circuit module with angular transducer respectively.
In the present embodiment, drive motor is selected the 15BY20B01 type stepping motor that Changzhou Bora Electrical Appliances Co., Ltd produces for use.
Angular transducer adopts Beijing to fly the absolute type angular-motion transducer TS2605N191E64 that bohr Electronics Co., Ltd. produces, and this sensor has the adjustable characteristics that get of internal diameter, therefore is convenient to be installed on the bearing circle output shaft of the different diameters of axle;
Vehicle is steering wheel rotation when lane change, turning; Be installed in angular transducer detection side on the bearing circle to the disc spins angle; Micro controller system Freescale MC9S12DG128B is according to the steering wheel angle signal that collects, and corresponding output pwm signal is controlled the switching of H bridge driving circuit FET; The DC machine hand of rotation is controlled, thereby realized control back mirror corner.
With reference to Fig. 2, Fig. 2 is the cyclogram of common back mirror.When vehicle in lane change, when turning, driver's observation to left and right back mirror since the problem of sight line be difficult to observe for object near the automobile proceeds posterolateral, so just formed certain blind area.The back mirror on the right apart from the driver far, the blind area of generation is bigger, if vehicle in advancing, back car just in time is in the vision blind area of chaufeur, lane change this moment, often turns to just initiation traffic accident easily.
With reference to Fig. 3, Fig. 3 is the cyclogram of the back mirror of embodiment.When vehicle in lane change, when turning; The chaufeur steering wheel rotation; The angular transducer that is installed on the bearing circle output shaft detects the bearing circle angular signal; Micro controller system is according to the corresponding output pwm signal of angular signal, and the control back mirror anglec of rotation is so that driver's observation is to the road information that sails the track into.
With reference to Fig. 4, Fig. 4 is a Freescale MC9S12DG128B micro controller system lease core plate circuit diagram.The MC9S12DG128B micro controller system is a kind of in 16 micro controller systems of the M68HC12 of motorola inc series; Its inner structure mainly contains the micro controller system essential part and the CAN function block is partly formed, and basic structure comprises: a central processor unit HCS12 (CPU), 2 asynchronous serial communication mouth SCI; 2 synchronous serial communication mouth SPI; 8 passages input capture/output is timer relatively, and 18 passage pulse width modulation module and 49 independent digit I/0 mouths (wherein 20 have external interrupt and arousal function) also have the FlashROM of 128KB in sheet; The RAM of 8KB, the EEPROM of 2KB.The rotary angle transmitter output signal is connected with ADO, and PS0 is connected with FET S1, and PS1 is connected with FET S2, and PS2 is connected with FET S3, and PS3 is connected with FET S4.
Driver module comprises power supply, 4 H type full-bridge type driving circuits that FET constituted.Driver module is connected with drive motor.Fig. 5 has provided H bridge power drive schematic diagram, and FET (S1, S2, S3, S4, model is the IRF3703Mosfet pipe) is formed H type double pole mode change-over circuit by 4 T0-220 encapsulation and carried out pressure regulation, control DC machine rotation direction and rotating speed.This driver module can be realized the four quadrant running of DC machine easily, and correspondence is just changeed respectively, the positive transformation of ownership is moving, the braking of reversing, reverse.4 FETs (IRF3703 Mosfe) of H type full-bridge type driving circuit all are operated in the copped wave state.S1, S4 are one group, and S2, S3 are one group, and these two groups of states are complementary, and when one group of conducting, another group must be turn-offed.When S1, S4 conducting, S2, S3 turn-off, and the motor two ends add the forward or reverse braking that forward voltage is realized motor; When S2, S3 conducting, S1, S4 turn-off, and the motor two ends are that reverse voltage is realized the counter-rotating of motor or just the transformation of ownership is moving.In the working control, motor is switched between four quadrants, promptly between rotating and reverse, switch, just turn-off S1, S4 shutoff and S2, S3 conducting, change between this two states at S1, S4 conducting and S2, S3.Realize the regulating control of dc motor speed and direction.

Claims (5)

1. an intelligent back vision mirror control device comprises the bearing circle on the automobile, and left and right back mirror; It is characterized in that; Be connected with angular transducer on the described bearing circle output shaft, described left and right back mirror is separately installed with and is used for a driving left and right back mirror left side, two DC machine of horizontal motion to the right, all is connected with driver module on two DC machine; Also comprise a micro controller system, this micro controller system is connected with driver module with angular transducer respectively.
2. intelligent back vision mirror control device as claimed in claim 1 is characterized in that, described micro controller system is selected the MC9S12D6128B micro controller system.
3. intelligent back vision mirror control device as claimed in claim 1 is characterized in that, described drive motor is selected 15BY20B01 type stepping motor for use.
4. intelligent back vision mirror control device as claimed in claim 1 is characterized in that, described angular transducer adopts absolute type angular-motion transducer TS2605N191E64.
5. intelligent back vision mirror control device as claimed in claim 1 is characterized in that, described driver module comprises power supply and 4 FETs at least.
CN2011204253735U 2011-11-01 2011-11-01 Intelligent rearview mirror control device Expired - Fee Related CN202345539U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204253735U CN202345539U (en) 2011-11-01 2011-11-01 Intelligent rearview mirror control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204253735U CN202345539U (en) 2011-11-01 2011-11-01 Intelligent rearview mirror control device

Publications (1)

Publication Number Publication Date
CN202345539U true CN202345539U (en) 2012-07-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204253735U Expired - Fee Related CN202345539U (en) 2011-11-01 2011-11-01 Intelligent rearview mirror control device

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103759950A (en) * 2014-01-23 2014-04-30 宁波精成车业有限公司 Automobile rear-view mirror assembly detection device
CN104442577A (en) * 2014-12-01 2015-03-25 杨森彪 Vehicle cut-across rearview control system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103759950A (en) * 2014-01-23 2014-04-30 宁波精成车业有限公司 Automobile rear-view mirror assembly detection device
CN103759950B (en) * 2014-01-23 2016-02-24 宁波精成车业有限公司 Automotive rear-view mirror assembly pick-up unit
CN104442577A (en) * 2014-12-01 2015-03-25 杨森彪 Vehicle cut-across rearview control system

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120725

Termination date: 20121101