CN202879483U - Automatic parking system for automobiles - Google Patents

Automatic parking system for automobiles Download PDF

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Publication number
CN202879483U
CN202879483U CN 201220613734 CN201220613734U CN202879483U CN 202879483 U CN202879483 U CN 202879483U CN 201220613734 CN201220613734 CN 201220613734 CN 201220613734 U CN201220613734 U CN 201220613734U CN 202879483 U CN202879483 U CN 202879483U
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China
Prior art keywords
ultrasonic transducer
automobile
mouth
input end
ultrasonic
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Expired - Fee Related
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CN 201220613734
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Chinese (zh)
Inventor
宋真玉
李南
马亚乾
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Changan University
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Changan University
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Priority to CN 201220613734 priority Critical patent/CN202879483U/en
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Publication of CN202879483U publication Critical patent/CN202879483U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an automatic parking system for automobiles. The automatic parking system comprises a microprocessor, wherein a serial communication interface module is connected to the microprocessor; the input end of the microprocessor is connected with an A/D (Analog-to-Digital) conversion module, an automobile gear and a start button for starting the automatic parking function; the output end of the microprocessor is connected with an ultrasonic driving circuit, a displayer and a steering motor for controlling the rotation direction of a steering wheel on an automobile; the input end of the A/D conversion module is connected with an echo detecting device; the output end of the ultrasonic driving circuit is connected with an ultrasonic energy transducer for detecting barriers around a parking place; the output end of the ultrasonic energy transducer is connected with the input end of the echo detecting device; and the serial communication interface module is connected with an ECU (Electronic Control Unit) of the automobile. The automatic parking system disclosed by the utility model is simple in structure and low in price; the ultrasonic energy transducer is applied to the automatic parking system and the automatic parking function for the automobiles is realized and board application prospect is achieved.

Description

A kind of automobile automated parking system
Technical field
The utility model relates to a kind of automobile parking system, relates in particular to a kind of automobile automated parking system.
Background technology
Along with expanding economy, the raising of people's living standard, automobile is also more and more universal.The surge of automobile pollution has brought the problem of parking space's anxiety, parking space's area of automobile is more and more less, therefore car successfully can be parked in and become the thing that makes a lot of chaufeur headaches on the parking stall, in the face of this situation, the automatic parking function of automobile also becomes a direction of development of automobile, and the automated parking system in the existing market is expensive and technical risk is large, thereby seeks a kind of low price and safe and reliable automobile automatic parking ancillary system becomes the key that addresses this problem.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, a kind of automobile automated parking system is provided, this system with the ultrasonic transduction application of installation in automated parking system, and by communicating by letter with the ECU of automobile, realized the function to the automatic parking of automobile, this system architecture is simple, and is easy for installation, low price is with a wide range of applications.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of automobile automated parking system, it is characterized in that: comprise microprocessor, be connected to the serial communication interface module on the described microprocessor, the input end of described microprocessor is connected with the A/D modular converter, automobile gears and be used for to start the start button of automatic parking function, the mouth of described microprocessor is connected with ultrasonic drive circuit, telltale and be used for the steer motor of the wheel steering on the control automobile, the input end of described A/D modular converter is connected with the echo detecting device, the mouth of described ultrasonic drive circuit is connected with the ultrasonic transduction device for detection of parking space's peripheral obstacle, the mouth of described ultrasonic transduction device is connected with the input end of described echo detecting device, and the ECU of described serial communication interface module and automobile joins.
Above-mentioned a kind of automobile automated parking system, it is characterized in that: described echo detecting device is comprised of with the amplifier module that is connected with the mouth of described filter module the filter module that the mouth with described ultrasonic transduction device is connected, and the mouth of described amplifier module is connected with the input end of described A/D modular converter.
Above-mentioned a kind of automobile automated parking system, it is characterized in that: described ultrasonic transduction device is by the ultrasonic transducer one that is installed in automotive front end, be installed in the ultrasonic transducer two of automobile rear end, and the ultrasonic transducer three and ultrasonic transducer four compositions that are installed in car right side that are installed in automobile left side, the input end of described ultrasonic transducer one, the input end of ultrasonic transducer two, the input end that the input end of ultrasonic transducer three is connected with ultrasonic transducer all is connected with the mouth of described ultrasonic drive circuit, the mouth of described ultrasonic transducer one, the mouth of ultrasonic transducer two, the mouth that the mouth of ultrasonic transducer three is connected with ultrasonic transducer all is connected with the input end of described filter module.
Above-mentioned a kind of automobile automated parking system is characterized in that: described microprocessor is the AT89C52 micro controller system.
The utility model compared with prior art has the following advantages:
1, simple in structure, easy for installation, low price.
2, with the ultrasonic transduction application of installation in automated parking system, and by communicating by letter with the ECU of automobile, realized the function to the automatic parking of automobile.
Below by drawings and Examples, the utility model is described in further detail.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is the installation site scheme drawing of ultrasonic transducer one of the present utility model, ultrasonic transducer two, ultrasonic transducer three and ultrasonic transducer four.
Description of reference numerals:
1-microprocessor; 2-serial communication interface module; 3-ECU;
4-ultrasonic drive circuit; 5-echo detecting device; 6-ultrasonic transduction device;
7-A/D modular converter; 8-telltale; 9-deflector;
10-steer motor; 11-bearing circle; 12-automobile gears;
13-start button; 5-1-amplifier module; 5-2-filter module;
6-1-ultrasonic transducer one; 6-2-ultrasonic transducer two; 6-3-ultrasonic transducer three;
6-4-ultrasonic transducer four.
The specific embodiment
A kind of automobile automated parking system as depicted in figs. 1 and 2, comprise microprocessor 1, be connected to serial communication interface module 2 on the described microprocessor 1, the input end of described microprocessor 1 is connected with A/D modular converter 7, automobile gears 11 and be used for to start the start button 12 of automatic parking function, the mouth of described microprocessor 1 is connected with ultrasonic drive circuit 4, telltale 8 and the steer motor 9 that turns to for the bearing circle 10 on the control automobile, the input end of described A/D modular converter 7 is connected with echo detecting device 5, the mouth of described ultrasonic drive circuit 4 is connected with the ultrasonic transduction device 6 for detection of parking space's peripheral obstacle, the mouth of described ultrasonic transduction device 6 is connected with the input end of described echo detecting device 5, and the ECU3 of described serial communication interface module 2 and automobile joins.
As shown in Figure 1, the filter module 5-2 that described echo detecting device 5 is connected by the mouth with described ultrasonic transduction device 6 forms with the amplifier module 5-1 that the mouth with described filter module 5-2 is connected, and the mouth of described amplifier module 5-1 is connected with the input end of described A/D modular converter 7.
As shown in Figure 1, described ultrasonic transduction device 6 is by ultrasonic transducer one 6-1 that is installed in automotive front end, be installed in ultrasonic transducer two 6-2 of automobile rear end, and ultrasonic transducer three 6-3 that are installed in automobile left side form with ultrasonic transducer four 6-4 that are installed in car right side, the input end of described ultrasonic transducer one 6-1, the input end of ultrasonic transducer two 6-2, the input end of ultrasonic transducer three 6-3 is connected the input end of 6-4 and all is connected the mouth of described ultrasonic transducer one 6-1 with the mouth of described ultrasonic drive circuit 4 with ultrasonic transducer, the mouth of ultrasonic transducer two 6-2, the mouth of ultrasonic transducer three 6-3 is connected the mouth of 6-4 and all is connected with the input end of described filter module 5-2 with ultrasonic transducer.
In the present embodiment, described microprocessor 1 is the AT89C52 micro controller system.
As shown in Figure 1, principle of work of the present utility model is: when parking, chaufeur sends to described microprocessor 1 by described start button 13 with actuation signal, the described ultrasonic drive circuit 4 of control drove described ultrasonic transducer one 6-1 after described microprocessor 1 received signal, ultrasonic transducer two 6-2, ultrasonic transducer three 6-3 and ultrasonic transducer four 6-4 work, described ultrasonic transducer one 6-1, ultrasonic transducer two 6-2, after ultrasonic transducer three 6-3 and ultrasonic transducer four 6-4 receive signal, to the middle distance of automobile and obstacle on every side, the automobile position, the position, parking stall is detected, simultaneously the parameter information that records is passed through described filter module 5-2, be sent in the described microprocessor 1 with A/D modular converter 7 behind the amplifier module 5-1, after microprocessor 1 receives signal, signal is processed, signal after the processing shows by described telltale 8, chaufeur operates described automobile gears 11 by the information that described telltale 8 shows, the end of operation signal is sent in the described microprocessor 1, after described microprocessor 1 receives signal, the described steer motor 9 of described microprocessor 1 control drives described bearing circle 10 work, described microprocessor 1 with regular time the interval to described ultrasonic transducer one 6-1, ultrasonic transducer two 6-2, ultrasonic transducer three 6-3 and ultrasonic transducer four 6-4 transmitted signals, till putting in place until park, described ECU3 communicates by letter with described microprocessor 1 by described serial communication interface module 2.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment does, all still belong in the protection domain of technical solutions of the utility model.

Claims (4)

1. automobile automated parking system, it is characterized in that: comprise microprocessor (1), be connected to serial communication interface module (2) on the described microprocessor (1), the input end of described microprocessor (1) is connected with A/D modular converter (7), automobile gears (11) and be used for to start the start button (12) of automatic parking function, the mouth of described microprocessor (1) is connected with ultrasonic drive circuit (4), telltale (8) and the steer motor (9) that turns to for the bearing circle (10) on the control automobile, the input end of described A/D modular converter (7) is connected with echo detecting device (5), the mouth of described ultrasonic drive circuit (4) is connected with the ultrasonic transduction device (6) for detection of parking space's peripheral obstacle, the mouth of described ultrasonic transduction device (6) is connected with the input end of described echo detecting device (5), the ECU(3 of described serial communication interface module (2) and automobile) join.
2. a kind of automobile automated parking system according to claim 1, it is characterized in that: the filter module (5-2) that described echo detecting device (5) is connected by the mouth with described ultrasonic transduction device (6) forms with the amplifier module (5-1) that the mouth with described filter module (5-2) is connected, and the mouth of described amplifier module (5-1) is connected with the input end of described A/D modular converter (7).
3. a kind of automobile automated parking system according to claim 1 and 2, it is characterized in that: described ultrasonic transduction device (6) is by the ultrasonic transducer one (6-1) that is installed in automotive front end, be installed in the ultrasonic transducer two (6-2) of automobile rear end, and the ultrasonic transducer four (6-4) that is installed in the ultrasonic transducer three (6-3) of automobile left side and is installed in car right side forms, the input end of described ultrasonic transducer one (6-1), the input end of ultrasonic transducer two (6-2), the input end of ultrasonic transducer three (6-3) is connected the input end of (6-4) and all is connected the mouth of described ultrasonic transducer one (6-1) with the mouth of described ultrasonic drive circuit (4) with ultrasonic transducer, the mouth of ultrasonic transducer two (6-2), the mouth of ultrasonic transducer three (6-3) is connected the mouth of (6-4) and all is connected with the input end of described filter module (5-2) with ultrasonic transducer.
4. a kind of automobile automated parking system according to claim 1, it is characterized in that: described microprocessor (1) is the AT89C52 micro controller system.
CN 201220613734 2012-11-19 2012-11-19 Automatic parking system for automobiles Expired - Fee Related CN202879483U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220613734 CN202879483U (en) 2012-11-19 2012-11-19 Automatic parking system for automobiles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220613734 CN202879483U (en) 2012-11-19 2012-11-19 Automatic parking system for automobiles

Publications (1)

Publication Number Publication Date
CN202879483U true CN202879483U (en) 2013-04-17

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CN 201220613734 Expired - Fee Related CN202879483U (en) 2012-11-19 2012-11-19 Automatic parking system for automobiles

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108068800A (en) * 2016-11-18 2018-05-25 比亚迪股份有限公司 Automatic parking control system, probe module, vehicle and automatic parking control method
CN108082183A (en) * 2016-11-22 2018-05-29 比亚迪股份有限公司 Automatic parking control system and control method, probe module and vehicle
CN109398351A (en) * 2018-10-24 2019-03-01 广州小鹏汽车科技有限公司 It parks control method, device and vehicle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108068800A (en) * 2016-11-18 2018-05-25 比亚迪股份有限公司 Automatic parking control system, probe module, vehicle and automatic parking control method
CN108082183A (en) * 2016-11-22 2018-05-29 比亚迪股份有限公司 Automatic parking control system and control method, probe module and vehicle
CN109398351A (en) * 2018-10-24 2019-03-01 广州小鹏汽车科技有限公司 It parks control method, device and vehicle
WO2020082771A1 (en) * 2018-10-24 2020-04-30 广州小鹏汽车科技有限公司 Parking control method and apparatus, and vehicle

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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: 20130417

Termination date: 20131119