CN202368477U - Electric memory type rearview mirror control system - Google Patents
Electric memory type rearview mirror control system Download PDFInfo
- Publication number
- CN202368477U CN202368477U CN2011204130699U CN201120413069U CN202368477U CN 202368477 U CN202368477 U CN 202368477U CN 2011204130699 U CN2011204130699 U CN 2011204130699U CN 201120413069 U CN201120413069 U CN 201120413069U CN 202368477 U CN202368477 U CN 202368477U
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- CN
- China
- Prior art keywords
- motor
- memory
- rearview mirror
- back mirror
- control
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- 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
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- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Abstract
The utility model discloses an electric memory type rearview mirror control system, which comprises a rearview mirror position acquisition circuit, a single-chip, a motor positive and negative rotation and driving circuit, a motor, a rearview mirror, a potentiometer, a control panel and a memory, wherein the memory is connected with the single-chip; and double-line data transmission is performed by the memory by using a control signal SCL (Serial Clock Line) and a data line SDA (Serial Data Line). Through the system, each driver can adjust the optimal visual angle of the rearview mirror according to height and weight of the driver and driving habits, and then memory storage is performed; and after the visual angle of the rearview mirror is changed by other drivers, the driver can very easily open the memory storage of the driver, and the rearview angle is also restored into the original set state.
Description
Technical field
The utility model relates to technical field of automotive electronics, concrete a kind of electromotion rearview mirror of car control system that relates to.
Background technology
Driven rearview mirrors is the control apparatus that generally uses in the present luxury car.Chaufeur through button, is regulated back mirror to reach required visual angle with electric apparatus control rotatable parts in car.Reason such as fat or thin and custom need be readjusted the back mirror angle when same the different chaufeur of car driven because of chaufeur self health height, for chaufeur drives to make troubles, and waste chaufeur vehicle line haul hour.
The utility model content
To above-mentioned prior art; The technical matters that the utility model will solve is: reason such as fat or thin and custom of chaufeur self health height; When driving, same the different chaufeur of car need readjust the back mirror angle, for chaufeur drives to make troubles, and waste chaufeur vehicle line haul hour.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of electronic memory type back mirror control system comprises position of rear view mirror Acquisition Circuit, micro controller system, motor positive and inverse and driving circuit, motor, back mirror, potential device and control panel, it is characterized in that: also comprise a memory device, link to each other with micro controller system; Said memory device adopts control signal scl line and data line SDA two-wire transmission data; Said control panel is provided with the memory button of the different chaufeurs of representative; Be provided with the control motor directionkeys that rotates of four direction up and down to the left and right; Be provided with the Zuo Jingjian and the right mirror key of switching right and left back mirror; Be provided with the setting key that motor gets into rotary state; Be provided with and get into the resetkey that recovers back mirror memory area state.
In said motor positive and inverse and driving circuit, select motor controlling and driving chip LG9110 for use.
Compared with prior art, the beneficial effect of the utility model shows:
Each chaufeur can be regulated the optimal viewing angle of back mirror according to individual's self height difference fat or thin and driving habit, carries out memory storage then; After the back mirror visual angle was changed by other chaufeurs, chaufeur can be opened the memory storage of oneself very like a cork, and back angle returns to original set condition again.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the utility model.
The specific embodiment
To combine the accompanying drawing and the specific embodiment that the utility model is done further to describe below.
A kind of electronic memory type back mirror control system; Comprise position of rear view mirror Acquisition Circuit, micro controller system, motor positive and inverse and driving circuit, motor, back mirror, potential device and control panel; Also comprise a memory device; Directly link to each other with micro controller system, said memory device adopts control signal scl line and data line SDA two-wire transmission data.
Embodiment: combine Fig. 1; Potential device converts the position signal of back mirror to voltage signal; Then the position of rear view mirror signal acquisition circuit is passed to micro controller system with the position of rear view mirror signal, and micro controller system is through the AD conversion, after the calculation process; Give motor positive and inverse and driving circuit with control signal, control the running of motor; The moving back gift of motor visor moves to corresponding position then.
Control panel is provided with the memory button of the different chaufeurs of representative; Be provided with the control motor directionkeys that rotates of four direction up and down to the left and right; Be provided with the Zuo Jingjian and the right mirror key of switching right and left back mirror; Be provided with the setting key that motor gets into rotary state; Be provided with and get into the resetkey that recovers back mirror memory area state.
In the back mirror signal acquisition process, the sliding end of potential device is associated with motor position, and when motor forward or reverse during to certain position, position signal changes into the voltage signal of sliding end through potential device.Because the position signal of four motors all will be changed, thereby adopt the multidiameter option switch different motor position signal of selecting to sample
In the memory circuit, select the AT24C02 memory device of serial, low-power consumption for use, it follows the agreement of I2C bus; Use SDA; SCL two-wire transmission data, the SDA of AT24C02, SCL link to each other with I2C bus port RXD, the TXD of micro controller system through pull-up resistor respectively, and WC, CE1, CE2 mouth ground connection all.
In motor positive and inverse and the driving circuit,, select for use control chip LG9110 to control the rotating of motor in the circuit and stop for drive motor running.LG9110 is drive motor design-calculated push-pull type power gain special IC device, and the circuit of separation is integrated among the bus of micro controller system, and the peripheral components cost is reduced, and whole aircraft reliability improves.This chip has the input of two compatible level, has good anti-interference resistance; The rotating of two input end ability direct drive motors has bigger current driving ability, and every passage can reach 1.5-2.0A through the persistent current peaking capacity of 750-800mA, has lower output saturation voltage drop simultaneously; Built-in clamping diode can discharge the reverse impact electric current of inductive load, makes it safe and reliable in the use that drives DC machine.
Claims (2)
1. an electronic memory type back mirror control system comprises position of rear view mirror Acquisition Circuit, micro controller system, motor positive and inverse and driving circuit, motor, back mirror, potential device and control panel, it is characterized in that: also comprise a memory device, link to each other with micro controller system; Said memory device adopts control signal scl line and data line SDA two-wire transmission data; Said control panel is provided with the memory button of the different chaufeurs of representative; Be provided with the control motor directionkeys that rotates of four direction up and down to the left and right; Be provided with the Zuo Jingjian and the right mirror key of switching right and left back mirror; Be provided with the setting key that motor gets into rotary state; Be provided with and get into the resetkey that recovers back mirror memory area state.
2. electronic memory type back mirror control system according to claim 1 is characterized in that: select motor controlling and driving chip LG9110 in said motor positive and inverse and the driving circuit for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204130699U CN202368477U (en) | 2011-10-26 | 2011-10-26 | Electric memory type rearview mirror control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204130699U CN202368477U (en) | 2011-10-26 | 2011-10-26 | Electric memory type rearview mirror control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202368477U true CN202368477U (en) | 2012-08-08 |
Family
ID=46592193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204130699U Expired - Fee Related CN202368477U (en) | 2011-10-26 | 2011-10-26 | Electric memory type rearview mirror control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202368477U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431497A (en) * | 2011-12-29 | 2012-05-02 | 成都市翻鑫家科技有限公司 | Electric memory type rearview mirror control device |
| CN107839632A (en) * | 2017-10-24 | 2018-03-27 | 四川天视车镜有限责任公司 | A kind of rearview mirror with memory function |
| CN112172673A (en) * | 2019-07-01 | 2021-01-05 | 长城汽车股份有限公司 | Rearview mirror adjusting system and method and vehicle |
-
2011
- 2011-10-26 CN CN2011204130699U patent/CN202368477U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431497A (en) * | 2011-12-29 | 2012-05-02 | 成都市翻鑫家科技有限公司 | Electric memory type rearview mirror control device |
| CN107839632A (en) * | 2017-10-24 | 2018-03-27 | 四川天视车镜有限责任公司 | A kind of rearview mirror with memory function |
| CN112172673A (en) * | 2019-07-01 | 2021-01-05 | 长城汽车股份有限公司 | Rearview mirror adjusting system and method and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120808 Termination date: 20121026 |