CN203854564U - Active forewarning control device for automobile travelling and parking safety - Google Patents
Active forewarning control device for automobile travelling and parking safety Download PDFInfo
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- CN203854564U CN203854564U CN201420212153.8U CN201420212153U CN203854564U CN 203854564 U CN203854564 U CN 203854564U CN 201420212153 U CN201420212153 U CN 201420212153U CN 203854564 U CN203854564 U CN 203854564U
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- automobile
- microcontroller
- parking
- safety
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Abstract
The utility model discloses an active forewarning control device for automobile travelling and parking safety. The active forewarning control device for automobile travelling and parking safety comprises a microcontroller. The microcontroller is connected with a conductive plastic angular displacement sensor through an analog-digital converter. The microcontroller is further connected with an ultrasonic radar ranging module, a voice warning module, an LCD screen and a voltage stabilizer. According to the active forewarning control device for automobile travelling and parking safety, through the ultrasonic radar ranging module and the conductive plastic angular displacement sensor, the distance between an automobile and an obstacle, the position information and the state information of a brake and an accelerator are monitored dynamically in real time, the microcontroller sends brake information to an automobile brake control system and sends ignition stopping signals to an automobile ignition system, and then the automobile is forced to conduct emergency brake or flameout; the problem that because an existing backing radar cannot accurately provide the distance between an automobile and an obstacle and a driver cannot conduct correct travelling operation in time in danger, traffic accidents are caused is solved, and the unwanted traffic accidents are effectively avoided.
Description
Technical field
The utility model belongs to auto electroincs technical field, is specifically related to a kind of running and parks initiatively prewarning controller of safety.
Background technology
Safety aid when Reverse Sensor is automobile parking or reversing, can inform with sound or demonstration more intuitively the situation of chaufeur peripheral obstacle, remove chaufeur and when parking, moveing backward and starting vehicle, visited caused puzzlement all around, help the defect of chaufeur cleaning blind area and blurred vision, the safety that improves vehicular drive.
But the effect of existing Reverse Sensor is only limited to the position judgment information that a relative reference is provided to driver, in practical operation, driver is difficult to provide information accurately to hold the range information between vehicle and obstacle by radar system.In addition, if run into burst emergency situation (child or old man swarm into suddenly driver's seat blind area) in driver is parking warehouse-in or reverse travel process, cannot make in time accurately vehicle driving operation (such as emergency brake of vehicle, parking or flame-out operation) just likely cause vehicle hang rub, the traffic accident such as injury to personnel.Moreover, at present because the problems such as traffic congestion are day by day serious, and driver is difficult to keeping on the run high-pressure and concentrated attention all the time, easily cause chaufeur, in the situations such as traffic signal lamp wait, crowded traffic driving environment and fatigue driving, rear-end collision occurs.Therefore the simple prompt facility that the reverse radar system configuring on existing vehicle has can not meet the actual user demand of safe driving of vehicle preferably.
Utility model content
The purpose of this utility model is to provide a kind of running and the initiatively prewarning controller of safety of parking, solved that existing Reverse Sensor can not accurately provide distance between vehicle and obstacle and under precarious position driver can not make in time correct moving operation and cause the problem of traffic accident.
The technical scheme that the utility model adopts is: running and the initiatively prewarning controller of safety of parking, comprise microcontroller, microcontroller connects conductive plastic angular-motion transducer by A and D converter, and microcontroller is also connected with respectively ultrasonic radar range finder module, audio alert module, LCD LCDs and voltage stabilizer.
Feature of the present utility model is also,
The model of microcontroller is AT89C51.
The model of A and D converter is ADC0832.
The model of conductive plastic angular-motion transducer is WDD35D-1.
Ultrasonic radar range finder module adopts LM1812 super sonic special integrated chip.
Audio alert module adopts ISD4004 speech chip.
LCD LCDs adopts OCMJ12232C-3 LCD MODULE.
Voltage stabilizer adopts LM7805 voltage stabilizing chip.
The beneficial effects of the utility model are: the utility model running and the initiatively prewarning controller of safety of parking, by ultrasonic radar range finder module being installed at vehicle front/rear collision bumper, in brake and throttle rotating shaft position, conductive plastic angular-motion transducer is installed, real-time dynamic monitoring vehicle and obstacle distance, and brake and throttle position status information, and send braking information to vehicle braking control system by microcontroller, send igniting termination signal to ignition systems for vehicles, force vehicle to carry out emergency braking or flame-out, solved that existing Reverse Sensor can not accurately provide distance between vehicle and obstacle and under precarious position driver can not make in time correct moving operation and cause the problem of traffic accident, effectively avoided unnecessary Traffic Accidents.
Accompanying drawing explanation
Fig. 1 is the utility model running and the initiatively structural representation of prewarning controller of safety of parking;
Fig. 2 is the utility model running and the initiatively circuit connection diagram of prewarning controller of safety of parking;
Fig. 3 is the utility model running and the initiatively circuit connection diagram of prewarning controller ultrasonic radar range finder module of safety of parking;
Fig. 4 is the utility model running and the initiatively circuit diagram of prewarning controller voltage stabilizer of safety of parking.
In figure, 1. conductive plastic angular-motion transducer, 2. voltage stabilizer, 3. audio alert module, 4. microcontroller, 5.LCD LCDs, 6. A and D converter, 7. ultrasonic radar range finder module.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
The utility model running and the initiatively prewarning controller of safety of parking, as shown in Figure 1, comprise that model is the microcontroller 4 of AT89C51, the A and D converter 6 that microcontroller 4 is ADC0832 by model connects the conductive plastic angular-motion transducer 1 that model is WDD35D-1, conductive plastic angular-motion transducer 1 arranges 2 altogether, be arranged at respectively braking automobile and throttle rotating shaft place, microcontroller 4 is also connected with respectively ultrasonic radar range finder module 7, audio alert module 3, LCD LCDs 5 and voltage stabilizer 2; Ultrasonic radar range finder module 7 arranges 8 altogether, car rear bumper and car front bumper respectively arrange 4, ultrasonic radar range finder module 7 adopts LM1812 super sonic special integrated chip, audio alert module 3 adopts ISD4004 speech chip, LCD LCDs 5 adopts OCMJ12232C-3 LCD MODULE, voltage stabilizer 2 adopts LM7805 voltage stabilizing chip, is whole device power supply.
Wherein, the AT89C51 type microcontroller that microcontroller 4 is produced for atmel corp, it is simple in structure, and cost is low, and reliability is high, low in energy consumption.AT89C51 type microcontroller 4 is core components of whole system, its effect is to control transmitting and receiving of LM1812 super sonic special integrated chip, the count results of time meter is carried out to send into LCD LCDs 5 after data processing and show, and control 3 work of audio alert module and send executable operations signal to the connected auto brake system ignition system of unifying.
Conductive plastic angular-motion transducer 1 adopts the conductive plastic angular-motion transducer that model is WDD35D-1, and it measures ℃-125 ℃, range of temperatures-55, service life 5,000 ten thousand left and right, the effective angle of measurement is 340 ° (± 5 °).
Ultrasonic radar range finder module 7 adopts LM1812 super sonic special integrated chip as super sonic, to transmit and receive the main control chip of circuit.
Audio alert module 3 adopts ISD4004 speech chip, and ISD4004 speech chip can be play different information of voice prompt to different distance alarm circuit.
LCD LCDs 5 adopts OCMJ12232C-3 LCD MODULE, this LCD MODULE includes character library, Display of Chinese characters easily, by this LCD MODULE, range information when vehicle parking, reversing and low speed can be advanced offers driver, backing distance YicmWei unit, is accurate to 0.1cm.
The utility model running, the safety of parking initiatively pre-alarming control system circuit connection diagram as shown in Figure 2, wherein, in the display circuit of LCD LCDs 5, OCMJ12232C-3 LCD MODULE
pin ground connection, adopts serial communication mode, and 8., INT0 pin is connected to the pin of LM1812 super sonic special integrated chip to the pin that the P1.0 pin of AT89C51 microcontroller 4 is connected to LM1812 super sonic special integrated chip through level shifting circuit
;
In the circuit of audio alert module 3, ISD4004 speech chip and microcontroller 4 interface circuits are as shown in Figure 2, ISD4004 speech chip is connected with AT89C51 microcontroller 4, the sheet that the P0.0 pin of microcontroller 4 connects ISD4004 speech chip selects pin SS, controls whether gating of ISD4004 speech chip; P0.l pin meets the serial input pin MOSI of ISD4004 speech chip, reads in the address of playback from this pin; P0.2 pin meets the serial output pin MISO of ISD4004 speech chip; P0.3 pin meets the serial clock pin SLCK of ISD4004 speech chip; P0.4 pin connects toggle switch, for selecting recording or playback; P0.5 pin connects STOP button, is used for ISD4004 speech chip to reset; P0.6 pin connects AN button, and while pressing, ISD4004 speech chip is started working; P3.3 (INT1) meets the interrupt pin INT of ISD4004 speech chip.The needed connection of ISD4004 speech chip also has sound signal output pin AUD OUT, and this pin, by a filter capacitor, is connected with loud speaker after power amplifier LM386; The recorded audio signals input end (ANA IN-, ANA IN+) of MIC access ISD4004 speech chip; AMCAP is automatic mute end, passes through a capacity earth during use.In addition, because the operating voltage of ISD4004 speech chip is 3V, and the required power supply voltage of microcontroller 4 is 5V, therefore need to adopt LM317 voltage stabilizing chip to obtain 3V voltage for ISD4004 speech chip;
The junction circuit of WDD35D-1 type conductive plastic angular-motion transducer 1 and AT89C51 microcontroller 4 as shown in Figure 2,7. the pin of WDD35D-1 type conductive plastic angular-motion transducer 1 is connected with the P1.3 pin of microcontroller 4, and 8. pin is connected with microcontroller P1.4 pin.
The circuit diagram of ultrasonic radar range finder module 7 as shown in Figure 3, P2 in figure, P4, tetra-ultrasonic radar range finder modules 7 of P6 and P9 are installed on respectively automobile front beam, be used for realizing vehicle at crowded traffic, the inspection vehicle distance apart from front truck of biding one's time such as traffic lights, wherein, P2, P4, the pin of P6 and tetra-ultrasonic radar range finder modules 7 of P9 2. respectively with the P1.0 of microcontroller 4, P1.5, P1.6 is connected with P1.7 pin, P3, P5, tetra-ultrasonic radar range finder modules 7 of P7 and P10 are installed on respectively automobile rear bumper, be used for realizing vehicle and when parking and move backward, detect vehicle apart from the distance of car and obstruction, wherein, P3, P5, the pin of P7 and tetra-ultrasonic radar range finder modules 7 of P10 2. respectively with the P3.0 of microcontroller 4, P3.1, P3.4 is connected with P3.5 pin.
As shown in Figure 4, mu balanced circuit partly adopts a LM7805 voltage stabilizing chip to the circuit diagram of voltage stabilizer 2, is used for realizing automobile service voltage 24V is become to 5V voltage for microcontroller 4.
Principle of the present utility model is: when automobile runs into traffic congestion, traffic lights wait situation, four ultrasonic radar range finder modules 7 on car front bumper transmit and receive circuit by super sonic, convert the range signal detecting to digital signal, transfer to microcontroller 4 to process, after microcontroller 4 is finished dealing with, then information is passed to LCD LCDs 5 and audio alert module 3.At automobile parking, in reversing process, being arranged on ultrasonic radar range finder module 7 on bumper/spoiler transmits and receives circuit by super sonic and transfers to microcontroller 4 to process the information detecting, by giving systemic presupposition safety value, to guarantee that in use offering driver points out more accurately and judge, when vehicle reaches dangerous values apart from the distance of obstacle, if the information that the conductive plastic angular-motion transducer 1 of throttle and brake rotating shaft place feeds back to microcontroller 4 by A and D converter 6 is still being stepped on throttle or is not being touched on the brake for driver, microcontroller 4 sends igniting termination signal to automotive ignition system, force vehicle emergency flame-out, to brake system of car, send braking information simultaneously, in other situations, vehicle motor can auto shut down.
In use procedure, when crowded traffic, wait traffic lights, 7 pairs of ultrasonic radar range finder modules are found range with the distance of front truck, and LCD LCDs 5 shows that vehicles are apart from the accurate distance information of front truck; In park warehouse-in and reversing process, ultrasonic radar range finder module 7 is sent to the information collecting in microcontroller 4, LCD LCDs 5 shows that vehicle is apart from the accurate distance information of obstacle, microcontroller 4 is controlled audio alert module 3 simultaneously and is carried out voice message, for example: when vehicle and obstacle distance are greater than 2m, voice message is " reversing safety "; When vehicle and obstacle distance are between 1～2m, voice message is " reversing "; When vehicle and obstacle distance are between 0.2～1m, voice message is " reversing is careful "; When vehicle and obstacle are when distance is between 0.1～0.2m, voice message be " reversing danger "; When backing distance is less than 0.1m and rear view of vehicle have obstacle, voice message is " abnormally dangerous; sudden stop ", if now the resistance of the conductive plastic angular-motion transducer 1 of normal danger does not change, or there is variation in the resistance of the conductive plastic angle displacement sensor 1 of throttle rotating shaft position, microcontroller 4 output signals are to automobile igniting circuit and brake system circuit, stop the connection of automobile igniting circuit and brake system circuit, automobile promptly stops working and brake operating.
The utility model running and the initiatively prewarning controller of safety of parking, solved that existing Reverse Sensor can not accurately provide distance between vehicle and obstacle and under precarious position driver can not make in time correct moving operation and cause the problem of traffic accident, this device is easy to use, safe and reliable, cheap, operation is succinct, can accurately judge vehicle whether in a safe condition and automatically control where necessary ignition systems for vehicles circuitry cuts and motor vehicle braking system autobrake, effectively avoided vehicle in the driving of blocking up, wait for traffic lights, in reversing and the warehouse-in process of parking, can not accurately judge that vehicle is apart from the distance of obstacle or due to the improper traffic accidents occurring of individual reason moving operation.
Claims (8)
1. running and the initiatively prewarning controller of safety of parking, it is characterized in that, comprise microcontroller (4), described microcontroller (4) connects conductive plastic angular-motion transducer (1) by A and D converter (6), and described microcontroller (4) is also connected with respectively ultrasonic radar range finder module (7), audio alert module (3), LCD LCDs (5) and voltage stabilizer (2).
2. running as claimed in claim 1 and the initiatively prewarning controller of safety of parking, is characterized in that, the model of described microcontroller (4) is AT89C51.
3. running as claimed in claim 1 and the initiatively prewarning controller of safety of parking, is characterized in that, the model of described A and D converter (6) is ADC0832.
4. running as claimed in claim 1 and the initiatively prewarning controller of safety of parking, is characterized in that, the model of described conductive plastic angular-motion transducer (1) is WDD35D-1.
5. running as claimed in claim 1 and the initiatively prewarning controller of safety of parking, is characterized in that, described ultrasonic radar range finder module (7) adopts LM1812 super sonic special integrated chip.
6. running as claimed in claim 1 and the initiatively prewarning controller of safety of parking, is characterized in that, described audio alert module (3) adopts ISD4004 speech chip.
7. running as claimed in claim 1 and the initiatively prewarning controller of safety of parking, is characterized in that, described LCD LCDs (5) adopts OCMJ12232C-3 LCD MODULE.
8. running as claimed in claim 1 and the initiatively prewarning controller of safety of parking, is characterized in that, described voltage stabilizer (2) adopts LM7805 voltage stabilizing chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212153.8U CN203854564U (en) | 2014-04-28 | 2014-04-28 | Active forewarning control device for automobile travelling and parking safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212153.8U CN203854564U (en) | 2014-04-28 | 2014-04-28 | Active forewarning control device for automobile travelling and parking safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203854564U true CN203854564U (en) | 2014-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420212153.8U Expired - Fee Related CN203854564U (en) | 2014-04-28 | 2014-04-28 | Active forewarning control device for automobile travelling and parking safety |
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| Country | Link |
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| CN (1) | CN203854564U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016065996A1 (en) * | 2014-10-30 | 2016-05-06 | 奇瑞汽车股份有限公司 | Vehicle safety start-stop system and method |
| CN110979181A (en) * | 2019-12-26 | 2020-04-10 | 安徽合力股份有限公司 | Electric fork-lift safety protection control system |
| CN112810694A (en) * | 2021-01-25 | 2021-05-18 | 云度新能源汽车股份有限公司 | Auxiliary driving steering wheel prompting method and system |
-
2014
- 2014-04-28 CN CN201420212153.8U patent/CN203854564U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016065996A1 (en) * | 2014-10-30 | 2016-05-06 | 奇瑞汽车股份有限公司 | Vehicle safety start-stop system and method |
| CN110979181A (en) * | 2019-12-26 | 2020-04-10 | 安徽合力股份有限公司 | Electric fork-lift safety protection control system |
| CN112810694A (en) * | 2021-01-25 | 2021-05-18 | 云度新能源汽车股份有限公司 | Auxiliary driving steering wheel prompting method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20150428 |
|
| EXPY | Termination of patent right or utility model |