CN102034365A - Vehicle-mounted intelligent parking guidance system - Google Patents
Vehicle-mounted intelligent parking guidance system Download PDFInfo
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- CN102034365A CN102034365A CN 201010561516 CN201010561516A CN102034365A CN 102034365 A CN102034365 A CN 102034365A CN 201010561516 CN201010561516 CN 201010561516 CN 201010561516 A CN201010561516 A CN 201010561516A CN 102034365 A CN102034365 A CN 102034365A
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Abstract
The invention discloses a vehicle-mounted intelligent parking guidance system which consists of a vehicle-mounted navigation unit and several wireless devices for transmitting the information of parking lots, wherein first wireless communication modules transmit the coordinates of the parking lots and the numbers of vacant parking spaces through 2.4G common communication channels, a GPS (Global Positioning System) module obtains the coordinate of the vehicle and then transmits the coordinate to a second microprocessor, a second wireless communication module receives the coordinates of the parking lots and the numbers of the vacant parking spaces transmitted by the first wireless communication modules, the second microprocessor compares the coordinate of the vehicle with the coordinates of the parking lots to calculate the distance from the vehicle to each of the parking lots, and the second microprocessor optimizes the distance to each parking lot and the vacant parking spaces, and predicts and dynamically optimizes the relative bearing of the parking lot. The vehicle-mounted intelligent parking guidance system is capable of conveniently, rapidly and flexibly guiding a driver to search a parking lot so as to conveniently and rapidly park the vehicle in an unfamiliar road network.
Description
Technical field
The present invention relates to fields such as embedded technology, wireless communication technology, GPS location technology and optimized search technology.Utilize the comprehensive and integrated of multinomial technology, be applied to field of traffic, solve the static traffic problem in the intelligent transportation, specifically relate to a kind of vehicle intelligent parking guidance system.
Background technology
In recent years, the auto industry of China had obtained develop rapidly.China's automobile volume of production and marketing had risen to first place, the whole world in 2009.Increasing urban family has had private car, causes Forecast of Urban Traffic Flow to continue to increase." parking difficulty " becomes very stubborn problem, had a strong impact on traffic environment and resident's life, restricted the development in city.And the construction speed in China parking lot does not far catch up with the growth of automobile pollution, and the city parking position breach is huge.Build city parking inducible system, be guided out passerby and fast and effeciently find the parking lot, to the service efficiency that improves the parking lot, improve urban traffic conditions and have great significance.
Although GPS traffic navigation technology is extensive use of,, seldom it is labeled on the electronic chart because geographical position, parking lot is less; Even mark, but the berth idle condition information in parking lot can't be informed by present GPS navigation system.Therefore, external city parking inducible system is introduced in many cities, adopts the idle quantity information in position and berth in LED display issue parking lot, induces mode, direct drivers search parking lot by three grades.
Traditional parking guidance system need be set up a large amount of LED electronic displays in the road both sides, not only builds the maintenance cost height, and influences the appearance of the city; The person of driving also can disperse to drive notice when observing LED display; In case miss relevant display screen, just be difficult to obtain parking lot information.For the not yet done motorist of road conditions, even see LED display sometimes, also be difficult in limited three grades and induce under the pattern, in complicated road network, find suitable parking lot.
Summary of the invention
The objective of the invention is defective for the city LED display parking guidance system that overcomes current popular, for the driver provides a kind of convenient and guide the driver to search the parking lot neatly, realize the vehicle intelligent parking guidance system of the quick parking under the strange road network environment.
The present invention realizes that the technical scheme of above-mentioned purpose is, a kind of vehicle intelligent parking guidance system, its improvement is: the wireless messages dispensing device and the on-vehicle navigation apparatus that comprise several parking lots, between the wireless messages dispensing device in described parking lot and on-vehicle navigation apparatus by wireless intercommunication mutually, the wireless messages dispensing device in described parking lot comprises first microprocessing unit and first wireless communication module, described first microprocessing unit is connected with first wireless communication module, described on-vehicle navigation apparatus comprises second microprocessing unit, second wireless communication module, the 2nd GPS module and display screen, described second wireless communication module, the 2nd GPS module all is connected with second microprocessing unit with display screen, described first wireless communication module externally sends the parking information of the idle berth of position, parking lot coordinate and parking lot number in real time by 2.4G public correspondence channel, described the 2nd GPS module obtains the position coordinates of this car and it is delivered to second microprocessing unit, described second wireless communication module receives the idle berth of place, parking lot coordinate and the parking lot number that several first wireless communication modules are sent, described second microprocessing unit is with the calculating of making comparisons of the position coordinates of this car and each place, parking lot coordinate, thereby draw the distance in Ben Che and each parking lot, described second microprocessing unit to the distance in each parking lot with and idle berth number carry out preferably, the distance that display screen shows each parking lot with and idle berth number, after the parking lot is selected, the relative orientation in parking lot is predicted and dynamic optimization.
It is 300 ± 50 meters zone that the coverage that described first wireless communication module is sent is limited in radius.
The wireless messages dispensing device in described parking lot also comprises the MAX232 interface circuit, and described MAX232 interface circuit is connected with first microprocessing unit.
The wireless messages dispensing device in described parking lot also comprises LCDs, and described LCDs is connected with first microprocessing unit.
The wireless messages dispensing device in described parking lot also comprises a GPS module, and a described GPS module is connected with first microprocessing unit.
Described on-vehicle navigation apparatus also comprises speech chip, and described speech chip is connected with second microprocessing unit.
Described first microprocessing unit and first wireless communication module integrate.
Second microprocessing unit and second wireless communication module integrate.
The present invention need not to take dedicated communication channel by GPRS or WAP mode owing to adopted the wireless data transmission; Wireless communications coverage network is limited in the scope about 300 meters, has reduced electromagnetic interference (EMI) usefulness effectively; Simultaneously, also will seek and stop scope and be limited in about 600 meters the scope of circumference, and can shorten greatly and seek between the stopping time; Can make the selection of parking destination with the idle quantity in berth according to the distance in peripheral parking lot, can improve the successful property of parking greatly; Adopt intelligent search and location technology, mainly solve the navigation problem of driver under strange road conditions.By optimization technique bearing prediction is carried out in the parking lot, the blind search of having avoided the driver.
Description of drawings
Fig. 1 is the wireless messages dispensing device workflow diagram in parking lot of the present invention;
Fig. 2 is a vehicle-mounted intelligent parking guider workflow of the present invention;
Fig. 3 is for concerning synoptic diagram between wireless messages dispensing device of the present invention and vehicle-mounted intelligent parking guider;
Fig. 4 is the structural representation of the wireless messages dispensing device in parking lot of the present invention;
Fig. 5 is the structural representation of vehicle-mounted intelligent parking guider of the present invention;
Fig. 6 is the wireless messages dispensing device schematic circuit in parking lot of the present invention;
Fig. 7 is a vehicle-mounted intelligent parking guider schematic circuit of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail.
As Fig. 3,4,5,6, shown in 7, a kind of vehicle intelligent parking guidance system, the wireless messages dispensing device 1 and the on-vehicle navigation apparatus 2 that comprise several parking lots, the wireless messages dispensing device 1 in described parking lot passes through wireless intercommunication mutually with 2 of on-vehicle navigation apparatuses, the wireless messages dispensing device 1 in described parking lot comprises the first microprocessing unit U1 and the first wireless communication module 1-1, the described first microprocessing unit U1 is connected with the first wireless communication module 1-1, described on-vehicle navigation apparatus 2 comprises the second microprocessing unit U2, the second wireless communication module 2-1, the 2nd GPS module 2-2 and display screen 2-3, the described second wireless communication module 2-1, the 2nd GPS module 2-2 all is connected with the second microprocessing unit U2 with display screen 2-3, the described first wireless communication module 1-1 externally sends the parking information of the idle berth of position, parking lot coordinate and parking lot number in real time by 2.4G public correspondence channel, described the 2nd GPS module 2-2 obtains the position coordinates of this car and it is delivered to the second microprocessing unit U2, the described second wireless communication module 2-1 receives the idle berth of place, parking lot coordinate and the parking lot number that several first wireless communication modules 1-1 is sent, the described second microprocessing unit U2 is with the calculating of making comparisons of the position coordinates of this car and each place, parking lot coordinate, thereby draw the distance in Ben Che and each parking lot, the described second microprocessing unit U2 to the distance in each parking lot with and idle berth number carry out preferably, the distance that display screen 2-3 shows each parking lot with and idle berth number, after the parking lot is selected, the relative orientation in parking lot is predicted and dynamic optimization.
Seek between the stopping time in order to save, it is 300 ± 50 meters zone that the coverage that the described first wireless communication module 1-1 is sent is limited in radius.
The wireless messages dispensing device 1 in described parking lot also comprises the MAX232 interface circuit, and described MAX232 interface circuit is connected with the first microprocessing unit U1.Communicate for the ease of host computer with this parking lot.
The wireless messages dispensing device 1 in described parking lot also comprises LCDs 1-3, and described LCDs 1-3 is connected with the first microprocessing unit U1.
The wireless messages dispensing device 1 in described parking lot also comprises a GPS module 1-2, and a described GPS module 1-2 is connected with the first microprocessing unit U1.
Described on-vehicle navigation apparatus 2 also comprises speech chip 2-4, and described speech chip 2-4 is connected with the second microprocessing unit U2.
Improve performance in order to save cost, the described first microprocessing unit U1 and the first wireless communication module 1-1 integrate.Can select model for use is the chip of CC2430.This use be the zigbee technology, can conveniently form wireless network.
Improve performance in order to save cost, the second microprocessing unit U2 and the second wireless communication module 2-1 integrate.Can select model for use is the chip of CC2430.This use be the zigbee technology, can conveniently form wireless network.
When the present invention used, first microprocessor U1 was connected with the host computer in this parking lot by the MAX232 communication interface chip, obtains the idle berth information in current this parking lot in real time.
As shown in Figure 1, the parking lot is by artificial or automatic detection mode, with the parking lot geographic coordinate (GPS) and the current idle quantity in berth, send by wireless mode.Because the geodata in parking lot is changeless, can detects the back in advance and preserve.The idle amount in berth need be according to the operating position in berth, upgrades in time and issues.
As shown in Figure 2, on-vehicle navigation apparatus at first receives the wireless data that peripheral parking lot sends over, by obtaining the idle berth amount in the gps coordinate in parking lot and parking lot after the decoding; The GPS positioning system of vehicle self is calculated the distance between vehicle and the parking lot according to the gps data that sends in parking lot; When needing to stop, the parking lot information that meeting of the present invention is obtained according to vehicle-mounted intelligent parking guider is stopped principle with maximum probability, selects suitable parking lot to select for the driver; After the parking destination is selected, navigational system can be according to the driving trace of vehicle, adopt intelligent optimization technique, bearing prediction is carried out in the parking lot, constantly the azimuth information (" left side ", " right side ", " dead ahead ", " right back ", " left front " etc.) in parking lot is informed the driver; The driver in conjunction with current road conditions, selects suitable path to drive towards predetermined parking lot according to information.
Among Fig. 6, LCDs 1-3 selects Nokia3310 for use, is responsible for showing gps data, free berth information etc.; The one GPS module 1-2 selects GR87 for use, is responsible for receiving gps data, determines the positional information in parking lot; The computer interface that links to each other with managing system of car parking is finished by MAX232, and the free berth information in parking lot sends in the wireless messages dispensing device 1 in this parking lot by this interface.
Among Fig. 7, display screen 2-3 selects LCDs Nokia3310 for use, is responsible for showing gps data, free berth information etc.; The 2nd GPS module 2-2 selects GR87 for use, is responsible for receiving gps data, is used for driving the vehicle real-time positioning; Speech chip 2-4 selects BLA4208 for use, and the speech data of generation is informed near the orientation of the parking lot driving vehicle by loudspeaker.
Claims (8)
1. vehicle intelligent parking guidance system, it is characterized in that: the wireless messages dispensing device (1) and the on-vehicle navigation apparatus (2) that comprise several parking lots, between the wireless messages dispensing device (1) in described parking lot and on-vehicle navigation apparatus (2) by wireless intercommunication mutually, the wireless messages dispensing device (1) in described parking lot comprises first microprocessing unit (U1) and first wireless communication module (1-1), described first microprocessing unit (U1) is connected with first wireless communication module (1-1), described on-vehicle navigation apparatus (2) comprises second microprocessing unit (U2), second wireless communication module (2-1), the 2nd GPS module (2-2) and display screen (2-3), described second wireless communication module (2-1), the 2nd GPS module (2-2) all is connected with second microprocessing unit (U2) with display screen (2-3), described first wireless communication module (1-1) externally sends the parking information of the idle berth of position, parking lot coordinate and parking lot number in real time by 2.4G public correspondence channel, described the 2nd GPS module (2-2) obtains the position coordinates of this car and it is delivered to second microprocessing unit (U2), described second wireless communication module (2-1) receives the idle berth of place, parking lot coordinate and the parking lot number that several first wireless communication modules (1-1) are sent, described second microprocessing unit (U2) is with the calculating of making comparisons of the position coordinates of this car and each place, parking lot coordinate, thereby draw the distance in Ben Che and each parking lot, described second microprocessing unit (U2) to the distance in each parking lot with and idle berth number carry out preferably, the distance that display screen (2-3) shows each parking lot with and idle berth number, after the parking lot is selected, the relative orientation in parking lot is predicted and dynamic optimization.
2. vehicle intelligent parking guidance system according to claim 1 is characterized in that: it is 300 ± 50 meters zone that the coverage that described first wireless communication module (1-1) is sent is limited in radius.
3. vehicle intelligent parking guidance system according to claim 1 is characterized in that: the wireless messages dispensing device (1) in described parking lot also comprises the MAX232 interface circuit, and described MAX232 interface circuit is connected with first microprocessing unit (U1).
4. according to claim 1 or 3 described vehicle intelligent parking guidance systems, it is characterized in that: the wireless messages dispensing device (1) in described parking lot also comprises LCDs (1-3), and described LCDs (1-3) is connected with first microprocessing unit (U1).
5. according to claim 1 or 3 described vehicle intelligent parking guidance systems, it is characterized in that: the wireless messages dispensing device (1) in described parking lot also comprises a GPS module (1-2), and a described GPS module (1-2) is connected with first microprocessing unit (U1).
6. vehicle intelligent parking guidance system according to claim 1 is characterized in that: described on-vehicle navigation apparatus (2) also comprises speech chip (2-4), and described speech chip (2-4) is connected with second microprocessing unit (U2).
7. vehicle intelligent parking guidance system according to claim 1 is characterized in that: described first microprocessing unit (U1) and first wireless communication module (1-1) integrate.
8. vehicle intelligent parking guidance system according to claim 1 is characterized in that: second microprocessing unit (U2) and second wireless communication module (2-1) integrate.
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| CN 201010561516 CN102034365B (en) | 2010-11-28 | 2010-11-28 | Vehicle-mounted intelligent parking guidance system |
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| CN 201010561516 CN102034365B (en) | 2010-11-28 | 2010-11-28 | Vehicle-mounted intelligent parking guidance system |
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| CN102034365A true CN102034365A (en) | 2011-04-27 |
| CN102034365B CN102034365B (en) | 2012-12-26 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102226933A (en) * | 2011-05-25 | 2011-10-26 | 电信科学技术研究院 | Parking route guidance method and device |
| CN102542842A (en) * | 2012-02-17 | 2012-07-04 | 福州大学 | ZigBee wireless network-based intelligent parking stall guiding device for parking lot |
| CN104134369A (en) * | 2014-07-02 | 2014-11-05 | 公安部道路交通安全研究中心 | Parking lot induction instrument, and parking lot navigation server, system and method |
| CN104809911A (en) * | 2015-04-14 | 2015-07-29 | 深圳市润安科技发展有限公司 | Parking lot guide system and method based on ultra-wideband wireless positioning technology |
| CN103245352B (en) * | 2013-05-23 | 2016-04-13 | 百度在线网络技术（北京）有限公司 | Air navigation aid, system and navigation server |
| CN105575177A (en) * | 2016-02-05 | 2016-05-11 | 北京蓝卡科技股份有限公司 | Stall finding method |
| CN106875737A (en) * | 2017-04-07 | 2017-06-20 | 深圳迅停科技发展有限公司 | A kind of parking stall method for searching and wisdom parking service system |
| CN111510488A (en) * | 2020-04-14 | 2020-08-07 | 合肥工业大学 | Intelligent parking lot searching and navigating method |
| WO2020160704A1 (en) * | 2019-02-07 | 2020-08-13 | Ningbo Geely Automobile Research & Development Co., Ltd. | A system and method for guiding a vehicle occupant to an available vehicle parking space |
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| CN1737871A (en) * | 2004-08-18 | 2006-02-22 | 山连根 | City parking inducement motion prompting method and realizing system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226933A (en) * | 2011-05-25 | 2011-10-26 | 电信科学技术研究院 | Parking route guidance method and device |
| CN102542842A (en) * | 2012-02-17 | 2012-07-04 | 福州大学 | ZigBee wireless network-based intelligent parking stall guiding device for parking lot |
| CN102542842B (en) * | 2012-02-17 | 2014-11-05 | 福州大学 | ZigBee wireless network-based intelligent parking stall guiding device for parking lot |
| CN103245352B (en) * | 2013-05-23 | 2016-04-13 | 百度在线网络技术（北京）有限公司 | Air navigation aid, system and navigation server |
| CN104134369A (en) * | 2014-07-02 | 2014-11-05 | 公安部道路交通安全研究中心 | Parking lot induction instrument, and parking lot navigation server, system and method |
| CN104809911A (en) * | 2015-04-14 | 2015-07-29 | 深圳市润安科技发展有限公司 | Parking lot guide system and method based on ultra-wideband wireless positioning technology |
| CN105575177A (en) * | 2016-02-05 | 2016-05-11 | 北京蓝卡科技股份有限公司 | Stall finding method |
| CN106875737A (en) * | 2017-04-07 | 2017-06-20 | 深圳迅停科技发展有限公司 | A kind of parking stall method for searching and wisdom parking service system |
| WO2020160704A1 (en) * | 2019-02-07 | 2020-08-13 | Ningbo Geely Automobile Research & Development Co., Ltd. | A system and method for guiding a vehicle occupant to an available vehicle parking space |
| CN111510488A (en) * | 2020-04-14 | 2020-08-07 | 合肥工业大学 | Intelligent parking lot searching and navigating method |
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| CN102034365B (en) | 2012-12-26 |
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