CN107315365A - Radar for backing car control method and system - Google Patents
Radar for backing car control method and system Download PDFInfo
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- CN107315365A CN107315365A CN201710364695.5A CN201710364695A CN107315365A CN 107315365 A CN107315365 A CN 107315365A CN 201710364695 A CN201710364695 A CN 201710364695A CN 107315365 A CN107315365 A CN 107315365A
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- vehicle information
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- probe
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The embodiment of the present invention discloses a kind of radar for backing car control method and system, including some probes and main frame, and the probe and main frame are integral type structure, are comprised the following steps：Upper electricity simultaneously carries out ID self-inspections；Send vehicle information request data；Vehicle information is obtained, and carries out function self-inspection.This method and system can compatible different automobile types, shorten the construction cycle, reduce R＆D costs, reach the versatility of more multi-vehicle-type, improve the competitiveness of enterprise market.
Description
Technical field
The invention belongs to field of automobile electronic control, and in particular to a kind of radar for backing car control method and system.
Background technology
With our people's growth in the living standard, automobile has come into huge numbers of families, as the conventional friendship of people's daily life
Logical instrument, this also results in vehicle on road and increased, and when operating driving, human pilot needs to take the behaviour in each orientation into account comprehensively
Make, operation difficulty is increased, especially in reversing, due to human pilot limited view, it is impossible to find the obstacle at car rear in time
Thing, it is easy to occur reverse collision accident, protects in order to reach safety of parking, after the motor vehicles and thunder of moving backward is both provided with bar
Reach.
Radar for backing car full name is also " parking assist apparatus " " reverse collision prevention radar ", when being automobile parking or reversing
Safety aid, by part groups such as ultrasonic sensor (being commonly called as radar probe), controller and displays (or buzzer)
Into.Radar for backing car is that high-speed flight is developed without the principle design bumped against with any barrier in night according to bat,
Probe is radiated at a certain angle, searching target up and down, can with sound or more intuitively image shows and informs driver
The situation of peripheral obstacle, relieves and caused puzzlement is all around visited when driver parks, moves backward and started vehicle, and
Help driver to clear away the defect of blind area and blurred vision, improve the security driven.
But, back-up radar probe various structures of the prior art, its mounting means is also various.It is most on the market
Back-up radar probe uses open-cell mounting means, it is adaptable to which the radar for backing car popped one's head in open-cell, radar for backing car is arranged on
On automobile tail or bumper, difference probe is of different sizes and detection angle, and the size and installation site punched
Just, angle can directly influence the safety of reversing automobile, technical merit and installation equipment of this method to installation personnel
Requirement it is all very high, install inconvenient；During especially for open-celled structure, back-up radar probe is plugged into perforate, and then is fallen
The connective stability that car radar probe coordinates with hole is the key factor for determining back-up radar probe service life, and existing structure
In only rely on by means of connected structure, when using for a long time or shaking larger, back-up radar probe can come off with hole.
At present, most of main engine plants are a radar for backing car of a vehicle correspondence, it is difficult to meet the generalization of different automobile types
It is required that, it is mainly reflected in：Special train is special, and advantage is：The special radar for backing car of special train is loaded in mixture between avoiding product, and shortcoming is：Specially
The construction cycle of the special radar for backing car of car is long.Cost is high, and Products Compatibility is poor.
The content of the invention
The purpose of the embodiment of the present invention includes providing a kind of radar for backing car control method and system, can compatible different cars
Type, shortens the construction cycle, reduces R＆D costs, reaches the versatility of more multi-vehicle-type, improves the competitiveness of enterprise market.
The embodiment of the present invention provides a kind of radar for backing car control method, including some probes and main frame, the probe and master
Machine is integral type structure, is comprised the following steps：
Upper electricity simultaneously carries out ID self-inspections；
Send vehicle information request data；
Vehicle information is obtained, and carries out function self-inspection.
Preferably, described pop one's head in sends vehicle information request data to electrical part, and the electrical part receives request data
Vehicle information is replied afterwards, and other moment forbid return information, and the electrical part is the instrument with bidirectional communication function or many matchmakers
Body.
Preferably, the similar electrical part with bidirectional communication function such as described instrument or multimedia replys vehicle information, if
Do not receive, then resend vehicle information request command；Receive, then obtain vehicle information, and carry out function self-inspection.
Preferably, described pop one's head in sends vehicle information request data to electrical part, and the electrical part replys vehicle information, if
Do not receive, the probe will retransmit Twice requests, system does not receive return information still, then time received by the last time
Complex information is used as current vehicle information.
Preferably, the vehicle information data includes probe transmission data and electrical part replys data.
The embodiment of the present invention also provides a kind of parking distance control system, including some probes and main frame, the probe and
Main frame is integral type structure, including：
Power module, upper electricity simultaneously carries out ID self-inspections；
Information module, for sending vehicle information request data；
Selftest module, for obtaining vehicle information, and carries out function self-inspection.
Preferably, described pop one's head in sends vehicle information request data to electrical part, and the electrical part receives request data
Vehicle information is replied afterwards, and other moment forbid return information, and the electrical part is the instrument with bidirectional communication function or many matchmakers
Body.
Preferably, the electrical part replys vehicle information, if not receiving, resends vehicle information request command；Receive
Arrive, then obtain vehicle information, and carry out function self-inspection.
Preferably, described pop one's head in sends vehicle information request data to the electrical part, and the electrical part replys vehicle letter
Breath, if not receiving, the probe will retransmit Twice requests, and system does not receive return information still, then by last time reception
The return information arrived is used as current vehicle information.
Preferably, the vehicle information data includes probe transmission data and electrical part replys data.
A kind of radar for backing car control method and system provided in an embodiment of the present invention, radar for backing car is constituted by several probes
System, it can be according to passages such as the compatible passage of radar for backing car two of difference, triple channel, the four-ways of quantity, while based on electrical part
Vehicle code reply, its compatible different automobile types, to shorten the construction cycle, reduce R＆D costs, reach more multi-vehicle-type
Versatility, improves the competitiveness of enterprise market.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the above and other objects, features and advantages of the present invention can
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of radar for backing car control method provided in an embodiment of the present invention.
Fig. 2 is the communications timing diagram in a kind of radar for backing car control method provided in an embodiment of the present invention.
A kind of schematic flow sheet for radar for backing car control method that Fig. 3 provides for second embodiment of the invention.
A kind of structural representation for parking distance control system that Fig. 4 provides for another embodiment of the present invention.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined purpose is taken, below in conjunction with accompanying drawing
And preferred embodiment, to according to a kind of embodiment of radar for backing car control method and system proposed by the present invention, method,
Step, structure, feature and effect, are described in detail as after.
For the present invention foregoing and other technology contents, feature and effect, in the following preferable reality coordinated with reference to schema
Applying during example is described in detail to be clearly presented.By the explanation of embodiment, when predetermined mesh can be reached to the present invention
The technological means taken and effect be able to more deeply and it is specific understand, but institute's accompanying drawings are only to provide with reference to saying
It is bright to be used, not for being any limitation as to the present invention.
Please also refer to Fig. 1 and Fig. 2, Fig. 1 is a kind of flow of radar for backing car control method provided in an embodiment of the present invention
Schematic diagram, Fig. 2 is the communications timing diagram in a kind of radar for backing car control method provided in an embodiment of the present invention.Such as Fig. 1 institutes
Show, the radar for backing car includes some probes and main frame, electrical part, the control method comprises the following steps：
S101, upper electricity simultaneously carries out ID self-inspections；
Radar system uses standard serial asynchronous communication meanses with electrical part communication, and baud rate is 4800bps, and its data is adopted
NRZ said shanks are used, lowest order is first sent out, bit8 are even parity bit, due to being communicated between the probe of each position of radar system
All be that data are transmitted by DATA line, for ensure whole system can normal work, serial ports remains when not sending data
High level, single byte transmission time sequence figure is as shown in Figure 2.In embodiments of the present invention, the electrical part is with bidirectional communication function
Instrument or multimedia.
S102, sends vehicle information request data；
The probe sends vehicle information request data to the electrical part, and the electrical part, which is received, replys vehicle after request data
Information, other moment forbid return information.Upper electric radar system can send vehicle information request command every time.
S103, obtains vehicle information, and carry out function self-inspection.
The electrical part replys vehicle information, if radar system is not received, resends vehicle information request command；Receive
Arrive, then obtain vehicle information, and carry out function self-inspection.
Pop one's head in and send vehicle information request data to electrical part, the electrical part replys vehicle information, if radar system is not received
Arrive, the probe will retransmit Twice requests, system does not receive return information still, then the return information received by the last time
It is used as current vehicle information.In the embodiment of the present invention, the probe uses the STM8S003 MCU or MCU of other similar functions.
It refer to Fig. 3, a kind of flow signal for radar for backing car control method that Fig. 3 provides for second embodiment of the invention
Figure.As shown in figure 3, the control method comprises the following steps：
S201, upper electricity；
S202, hangs R grades or on ON shelves；
ID self-inspections distinguish installation site between S203, each probe；
S204, sends vehicle information request command；
S205, electrical part replys vehicle information；
Radar system after an initial power up, is popped one's head in and sends vehicle information request data to electrical part, the electrical part is being received
Vehicle information is replied after to request data, other moment forbid return information, if radar system does not receive return information, visited
Head will retransmit Twice requests, and system does not receive response message still then using the response message received by last time as current
Vehicle, data format definition is as follows：
Probe sends data：
0xAA+0x0A+0xAF+Checksum (totally four bytes)
The similar electrical part with bidirectional communication function such as instrument or multimedia replys data：
0xAA+ vehicle information+0xAF+Checksum (totally four bytes)
Car model definition is exemplified below：
A vehicles number：0x41 (four probe scheme the first vehicle after 0x41 is represented)
B vehicles number：0x31 (three probe scheme the first vehicle after 0x31 is represented)
C vehicles number：0x21 (two probe scheme the first vehicle after 0x21 is represented)
S206, receives progress function self-inspection after vehicle information, does not receive such as, then resend vehicle information request command；
Pop one's head in and send vehicle information request data to electrical part, the electrical part replys vehicle information, if radar system is not received
Arrive, the probe will retransmit Twice requests, system does not receive return information still, then the return information received by the last time
It is used as current vehicle information.
Success is obtained after vehicle information, can be the storage of vehicle information into EEPROM, and the system after vehicle information that obtains enters
Auto-Sensing Mode detects whether the probe function of each position is normal, and sends self-inspection information to electrical part, and electrical part is received certainly
Examine by man-machine interface report user's self-detection result after information, electrical part need not carry out any information-reply.
S207, into normal mode of operation.
Radar system self-inspection enters normal mode of operation after terminating, and proceeds by barrier detection, and radar system every time will
Operational data bag (range information and alert frequency information in each orientation) is sent to electrical part.On the DATA line except comprising with
Outside the communications protocol of electrical part, in addition to the communications protocol between probe and probe, electrical part only needs to extract and electrical equipment
The related content of part, while the data transmitted between probe are different with the data of electrical part its data formats is transmitted to, will not
Cause no parsing.
It refer to Fig. 4, a kind of structural representation for parking distance control system that Fig. 4 provides for another embodiment of the present invention
Figure.As shown in figure 4, the control system includes：
Power module 301, upper electricity simultaneously carries out ID self-inspections；
Information module 302, for sending vehicle information request data；
The information data module is popped one's head in and electrical part, and wherein the probe sends vehicle information request data to the electrical part,
The electrical part receives reply vehicle information after request data, and other moment forbid return information.
Selftest module 303, for obtaining vehicle information, and carries out function self-inspection.
The electrical part replys vehicle information, if radar system is not received, resends vehicle information request command；Receive
Arrive, then obtain vehicle information, and carry out function self-inspection.
The probe sends vehicle information request data to electrical part, and the electrical part replys vehicle information, if radar system is not
Receive, the probe will retransmit Twice requests, system does not receive return information still, then the reply received by the last time is believed
Breath is used as current vehicle information.
The embodiment of the present invention provides a kind of radar for backing car control method and system, and radar for backing car system is constituted by several probes
System, it can be according to passages such as the compatible passage of radar for backing car two of difference, triple channel, the four-ways of quantity, while based on electrical part
The reply of vehicle code, its compatible different automobile types, to shorten the construction cycle, reduce R＆D costs, reach the logical of more multi-vehicle-type
With property, the competitiveness of enterprise market is improved.
It is described above, only it is the preferred embodiment of invention, any formal limitation not is made to the present invention, although
The present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any those skilled in the art,
Without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or are modified to
With the equivalent embodiment of change, as long as being that, without departing from technical solution of the present invention content, the technical spirit according to the present invention is to the above
Any simple modification, equivalent variations and modification that embodiment is made, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of radar for backing car control method, including some probes and main frame, the probe and main frame are integral type structure, it is special
Levy and be, comprise the following steps：
Upper electricity simultaneously carries out ID self-inspections；
Send vehicle information request data；
Vehicle information is obtained, and carries out function self-inspection.
2. radar for backing car control method according to claim 1, it is characterised in that the probe sends vehicle to electrical part
Information request data, the electrical part receives reply vehicle information after request data, and other moment forbid return information, described
Electrical part is instrument or multimedia with bidirectional communication function.
3. radar for backing car control method according to claim 2, it is characterised in that the electrical part replys vehicle information,
If not receiving, vehicle information request command is resend；Receive, then obtain vehicle information, and carry out function self-inspection.
4. radar for backing car control method according to claim 2, it is characterised in that the probe is sent to the electrical part
Vehicle information request data, the electrical part replys vehicle information, if radar system is not received, the probe will be retransmited twice
Request, system does not receive return information still, then the return information received by the last time is as current vehicle information.
5. radar for backing car control method according to claim 1, it is characterised in that the vehicle information data includes probe
Send data and electrical part replys data.
6. a kind of parking distance control system, including some probes and main frame, the probe and main frame are integral type structure, it is special
Levy and be, including：
Power module, upper electricity simultaneously carries out ID self-inspections；
Information module, for sending vehicle information request data；
Selftest module, for obtaining vehicle information, and carries out function self-inspection.
7. parking distance control system according to claim 6, it is characterised in that the probe sends vehicle to electrical part
Information request data, the electrical part receives reply vehicle information after request data, and other moment forbid return information, described
Electrical part is instrument or multimedia with bidirectional communication function.
8. parking distance control system according to claim 7, it is characterised in that the electrical part replys vehicle information,
If not receiving, vehicle information request command is resend；Receive, then obtain vehicle information, and carry out function self-inspection.
9. parking distance control system according to claim 7, it is characterised in that the probe is sent to the electrical part
Vehicle information request data, the electrical part replys vehicle information, if not receiving, the probe will retransmit Twice requests, be
System does not receive return information still, then the return information received by the last time is as current vehicle information.
10. parking distance control system according to claim 6, it is characterised in that the vehicle information data includes visiting
Hair send data and electrical part to reply data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710364695.5A CN107315365A (en) | 2017-05-22 | 2017-05-22 | Radar for backing car control method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710364695.5A CN107315365A (en) | 2017-05-22 | 2017-05-22 | Radar for backing car control method and system |
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| Publication Number | Publication Date |
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| CN107315365A true CN107315365A (en) | 2017-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710364695.5A Pending CN107315365A (en) | 2017-05-22 | 2017-05-22 | Radar for backing car control method and system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353961A (en) * | 2011-07-04 | 2012-02-15 | 合肥昌辉汽车电子有限公司 | Radar probe ID automation distribution system and reverse radar detection method |
| CN103995254A (en) * | 2014-05-14 | 2014-08-20 | 林海明 | Parking radar digital probe module capable of rapidly positioning probe ID and ID positioning method thereof |
| CN104290757A (en) * | 2014-09-29 | 2015-01-21 | 优迪亚电子（深圳）有限公司 | Programmable combined bus parking system and control method thereof |
| CN105891829A (en) * | 2016-04-08 | 2016-08-24 | 浙江吉利控股集团有限公司 | Vehicle platform non-host radar system and communication method thereof |
-
2017
- 2017-05-22 CN CN201710364695.5A patent/CN107315365A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353961A (en) * | 2011-07-04 | 2012-02-15 | 合肥昌辉汽车电子有限公司 | Radar probe ID automation distribution system and reverse radar detection method |
| CN103995254A (en) * | 2014-05-14 | 2014-08-20 | 林海明 | Parking radar digital probe module capable of rapidly positioning probe ID and ID positioning method thereof |
| CN104290757A (en) * | 2014-09-29 | 2015-01-21 | 优迪亚电子（深圳）有限公司 | Programmable combined bus parking system and control method thereof |
| CN105891829A (en) * | 2016-04-08 | 2016-08-24 | 浙江吉利控股集团有限公司 | Vehicle platform non-host radar system and communication method thereof |
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Application publication date: 20171103 |