CN109102716A - A kind of parking stall measure system and method based on LoRa wireless communication technique - Google Patents
A kind of parking stall measure system and method based on LoRa wireless communication technique Download PDFInfo
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- CN109102716A CN109102716A CN201810987721.4A CN201810987721A CN109102716A CN 109102716 A CN109102716 A CN 109102716A CN 201810987721 A CN201810987721 A CN 201810987721A CN 109102716 A CN109102716 A CN 109102716A
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- data
- wireless communication
- communication technique
- circuit
- parking stall
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/145—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
Abstract
The invention discloses a kind of parking stall measure system and method based on LoRa wireless communication technique, the geomagnetic data of the geomagnetic sensor circuit detection characterization parking space state；Microcontroller circuit controls the work and interruption of geomagnetic sensor circuit, the data of storage geomagnetic sensor circuit detection；The data that microcontroller circuit stores are sent to wireless digital broadcasting station by LoRa wireless communication technique by the wireless radio frequency circuit；The parking space state information received is transmitted to host computer by the wireless digital broadcasting station；The host computer judges parking space state, and is transmitted to car owner's mobile phone.The present invention is monitored the magnetic field of each parking stall, analyzes changes of magnetic field, judges whether there is vehicle, and send result to car owner, can allow car owner that the parking space state information in parking lot is understood more intuitively.
Description
Technical field
The present invention relates to vehicle detecting sensor field more particularly to a kind of parking stall inspections based on LoRa wireless communication technique
Examining system and method.
Background technique
In recent years, as the improvement of people's living standards, the quantity of automobile is also increasing, if car owner is unfamiliar with parking stall
Information often wastes many times searchings parking stall.In order to solve the problems, such as parking difficulty, it is necessary to design a automatic parking stall measure
System, guidance car owner find parking stall.
Currently used parking space detector has induction coil checker, video camera and geomagnetic sensor, compared to
Geomagnetic sensor, the above two are influenced vulnerable to environment such as weather, unstable, and price is high, so parking space detector multiselect earth magnetism passes
Sensor.Traditional earth magnetism sensing mostly uses WiFi, bluetooth, Zigbee or 2G/3G/4G mechanics of communication to carry out data transmission, wherein
WiFi, bluetooth, Zigbee mechanics of communication are low in energy consumption, but transmission range is short, are not suitable for large parking lot；2G/3G/4G mechanics of communication
Long transmission distance, but power consumption is high, can reduce the effective time of geomagnetism detecting module.
Summary of the invention
In order to overcome the power consumption of traditional geomagnetic sensor high, transmission range is short, instability problem, and present invention proposition is based on
The parking stall measure system of LoRa wireless communication technique.
The technical solution for realizing the aim of the invention is as follows: a kind of parking stall measure system based on LoRa wireless communication technique
System, including parking stall measure module, wireless digital broadcasting station and host computer, wherein parking stall measure module include geomagnetic sensor circuit,
Microcontroller circuit and wireless radio frequency circuit, the geomagnetic sensor circuit are used to detect the geomagnetic data of characterization parking space state；
Microcontroller circuit is used to control the work and interruption of geomagnetic sensor circuit, the data of storage geomagnetic sensor circuit detection；
The wireless radio frequency circuit is used to the data that microcontroller circuit stores being sent to no line number by LoRa wireless communication technique
Conduct electricity platform；The wireless digital broadcasting station is used to the parking space state information received being transmitted to host computer；The host computer is used for
Judge parking space state, and parking space state information is transmitted to car owner's mobile phone.
A kind of method for detecting parking stalls based on LoRa wireless communication technique, includes the following steps:
After step 1, energization, the clock crystal oscillator of microcontroller circuit initialization control geomagnetic sensor circuit work；
The geomagnetic data of step 2, geomagnetic sensor circuit detection characterization parking space state；
Step 3, microcontroller circuit read the geomagnetic data of geomagnetic sensor circuit, judge magnetic field according to the data of reading
It is whether stable, if stablizing, parking space state information is sent to wireless radio frequency circuit, if unstable, data are abandoned；
Step 4, wireless radio frequency circuit send geomagnetic data to wireless digital broadcasting station by LoRa wireless communication technique, into
And it is sent to host computer；
Step 5, host computer compare the data of adjacent moment, judge whether there is vehicle on corresponding parking stall.
Compared with prior art, the present invention its remarkable advantage are as follows: the present invention can be straight by the transmission of LoRa wireless communication technique
Upper wide area network, power consumption is lower, and penetrability is strong, and data transmission is more stable.
Detailed description of the invention
The present invention is based on the hardware structure diagrams of the parking stall measure system of LoRa wireless communication technique by Fig. 1.
The present invention is based on the flow charts of the method for detecting parking stalls of LoRa wireless communication technique by Fig. 2.
The present invention is based on the structure charts of the parking stall measure system of LoRa wireless communication technique by Fig. 3.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention program is further illustrated.
As shown in Figure 1, a kind of parking stall measure system based on LoRa wireless communication technique, including parking stall measure module, nothing
Line data radio station and host computer, wherein parking stall measure module includes geomagnetic sensor circuit, microcontroller circuit and less radio-frequency
Circuit, the geomagnetic sensor circuit are used to detect the geomagnetic data of characterization parking space state；Microcontroller circuit is for controlling ground
The work and interruption of magnetic sensor circuit, the data of storage geomagnetic sensor circuit detection；The wireless radio frequency circuit is used for will
The data of microcontroller circuit storage are sent to wireless digital broadcasting station by LoRa wireless communication technique；The wireless digital broadcasting station
Parking space state information for will receive is transmitted to host computer；The host computer is for judging parking space state, and by parking stall shape
State information is transmitted to car owner's mobile phone.
A kind of I as specific embodiment, in the microcontroller circuit2C passes through SCL, SDA and geomagnetic sensor electricity
Road connection, passes through I2C bus interface and geomagnetic sensor circuit carry out data exchange, the microcontroller circuit by UART with
Wireless radio frequency circuit connection, is communicated by serial ports with wireless radio frequency circuit.
As a kind of specific embodiment, the microcontroller circuit selects LPC812 chip.
As a kind of specific embodiment, the geomagnetic sensor circuit uses magnetometer chip MAG3110.
As a kind of specific embodiment, the wireless radio frequency circuit uses communication chip E32-T100S2.
As a kind of specific embodiment, the wireless digital broadcasting station will be received by way of WiFi, 2G, 3G or 4G
Geomagnetic data be transferred to host computer.
As shown in Fig. 2, a kind of method for detecting parking stalls based on LoRa wireless communication technique, which is characterized in that including as follows
Step:
After step 1, energization, the clock crystal oscillator of microcontroller circuit initialization control geomagnetic sensor circuit work；
The geomagnetic data of step 2, geomagnetic sensor circuit detection characterization parking space state；
Step 3, microcontroller circuit read the geomagnetic data of geomagnetic sensor circuit, judge magnetic field according to the data of reading
It is whether stable, if stablizing, parking space state information is sent to wireless radio frequency circuit, if unstable, data are abandoned；
Step 4, wireless radio frequency circuit send geomagnetic data to wireless digital broadcasting station by LoRa wireless communication technique, into
And it is sent to host computer；
Step 5, host computer compare the data of adjacent moment, judge whether there is vehicle on corresponding parking stall.
As a kind of specific embodiment, the geomagnetic sensor circuit passes through influence of the vehicles while passing to earth magnetism at parking stall
To complete parking space state detection work, two axis of geomagnetic sensor Timing measurement present position magnetic field levels direction and vertical direction axis
The geomagnetic data of three axial directions altogether, when automobile is located above sensor node, the variation of z-axis geomagnetic data will be most obvious, institute
To judge parking space state by investigating z-axis geomagnetic data.The data read module is being collected into data when geomagnetic sensor
When, interruption is generated, microcontroller is waken up from suspend mode, responds to interruption, sends one to geomagnetic sensor circuit and opens
Dynamic conditioned signal, reads out z-axis data to microcontroller register.
Claims (8)
1. a kind of parking stall measure system based on LoRa wireless communication technique, which is characterized in that including parking stall measure module, wirelessly
Data radio station and host computer, wherein parking stall measure module includes geomagnetic sensor circuit, microcontroller circuit and less radio-frequency electricity
Road, the geomagnetic sensor circuit are used to detect the geomagnetic data of characterization parking space state；Microcontroller circuit is for controlling earth magnetism
The work and interruption of sensor circuit, the data of storage geomagnetic sensor circuit detection；The wireless radio frequency circuit is used for will be micro-
The data of controller circuitry storage are sent to wireless digital broadcasting station by LoRa wireless communication technique；The wireless digital broadcasting station is used
Host computer is transmitted in the parking space state information that will be received；The host computer is for judging parking space state, and by parking space state
Information is transmitted to car owner's mobile phone.
2. the parking stall measure system according to claim 1 based on LoRa wireless communication technique, which is characterized in that described micro-
I in controller circuitry2C passes through I by SCL, SDA and geomagnetic sensor circuit connection2C bus interface and geomagnetic sensor electricity
Road carries out data exchange, and the microcontroller circuit is connect by UART with wireless radio frequency circuit, passes through serial ports and less radio-frequency
Circuit communication.
3. the parking stall measure system according to claim 1 based on LoRa wireless communication technique, which is characterized in that described micro-
Controller circuitry selects LPC812 chip.
4. the parking stall measure system according to claim 1 based on LoRa wireless communication technique, which is characterized in that describedly
Magnetic sensor circuit uses magnetometer chip MAG3110.
5. the parking stall measure system according to claim 1 based on LoRa wireless communication technique, which is characterized in that the nothing
Line radio circuit uses communication chip E32-T100S2.
6. the parking stall measure system according to claim 1 based on LoRa wireless communication technique, which is characterized in that the nothing
Line data radio station is transferred to host computer by way of WiFi, 2G, 3G or 4G, by received geomagnetic data.
7. a kind of method for detecting parking stalls based on LoRa wireless communication technique, which comprises the steps of:
After step 1, energization, the clock crystal oscillator of microcontroller circuit initialization control geomagnetic sensor circuit work；
The geomagnetic data of step 2, geomagnetic sensor circuit detection characterization parking space state；
Step 3, microcontroller circuit read the geomagnetic data of geomagnetic sensor circuit, whether judge magnetic field according to the data of reading
Stablize, if stablizing, parking space state information is sent to wireless radio frequency circuit, if unstable, data are abandoned；
Step 4, wireless radio frequency circuit send geomagnetic data to wireless digital broadcasting station, Jin Erfa by LoRa wireless communication technique
Give host computer；
Step 5, host computer compare the data of adjacent moment, judge whether there is vehicle on corresponding parking stall.
8. the method for detecting parking stalls according to claim 7 based on LoRa wireless communication technique, which is characterized in that step 2
Detect the geomagnetic data of geomagnetic sensor present position magnetic field vertical direction axis.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810987721.4A CN109102716A (en) | 2018-08-28 | 2018-08-28 | A kind of parking stall measure system and method based on LoRa wireless communication technique |
| PCT/CN2019/097201 WO2020042833A1 (en) | 2018-08-28 | 2019-07-23 | Parking space detection system and method based on lora wireless communication technology |
| KR1020207021212A KR20200100154A (en) | 2018-08-28 | 2019-07-23 | Parking location detection system and method based on LoRa wireless communication technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810987721.4A CN109102716A (en) | 2018-08-28 | 2018-08-28 | A kind of parking stall measure system and method based on LoRa wireless communication technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109102716A true CN109102716A (en) | 2018-12-28 |
Family
ID=64863940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810987721.4A Pending CN109102716A (en) | 2018-08-28 | 2018-08-28 | A kind of parking stall measure system and method based on LoRa wireless communication technique |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR20200100154A (en) |
| CN (1) | CN109102716A (en) |
| WO (1) | WO2020042833A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020042833A1 (en) * | 2018-08-28 | 2020-03-05 | 南京理工大学 | Parking space detection system and method based on lora wireless communication technology |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220073238A (en) | 2020-11-26 | 2022-06-03 | 쌍용자동차 주식회사 | Device and method for providing parking location information of connected car |
| CN115273490B (en) * | 2021-04-30 | 2023-09-19 | 阿尔卑斯通信器件技术（上海）有限公司 | Parking space detection device and parking space detection method |
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| CN201402531Y (en) * | 2009-05-15 | 2010-02-10 | 东莞市帕马智能停车服务有限公司 | WSN-based geomagnetic parking stall detector and geomagnetic parking stall detection system |
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| US10217359B2 (en) * | 2016-10-20 | 2019-02-26 | Echelon Corporation | System of correlated video and lighting for parking management and control |
| CN207037932U (en) * | 2017-04-12 | 2018-02-23 | 深圳快马厚德科技有限公司 | A kind of parking stall measure system based on geomagnetism detecting device |
| CN207396746U (en) * | 2017-09-28 | 2018-05-22 | 武汉海微科技有限公司 | A kind of high-precision vehicle carried pick device and system based on lora transmission |
| CN109102716A (en) * | 2018-08-28 | 2018-12-28 | 南京理工大学 | A kind of parking stall measure system and method based on LoRa wireless communication technique |
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2018
- 2018-08-28 CN CN201810987721.4A patent/CN109102716A/en active Pending
-
2019
- 2019-07-23 KR KR1020207021212A patent/KR20200100154A/en not_active Application Discontinuation
- 2019-07-23 WO PCT/CN2019/097201 patent/WO2020042833A1/en active Application Filing
Patent Citations (7)
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| CN201402531Y (en) * | 2009-05-15 | 2010-02-10 | 东莞市帕马智能停车服务有限公司 | WSN-based geomagnetic parking stall detector and geomagnetic parking stall detection system |
| CN202771635U (en) * | 2012-09-07 | 2013-03-06 | 余姚市精诚高新技术有限公司 | Parking stall induction system based on terrestrial magnetism parking stall detector |
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| CN205621306U (en) * | 2016-03-31 | 2016-10-05 | 大连大学 | Car position detecting system based on geomagnetic detector and GPRS network |
| CN105702052A (en) * | 2016-04-20 | 2016-06-22 | 中国人民解放军海军工程大学 | Geomagnetic sensor and Wifi-based parking space detection apparatus and method |
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| CN106652479A (en) * | 2016-11-22 | 2017-05-10 | 广西大学 | Geomagnetic sensing-based wireless low-power consumption parking space detection system |
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| WO2020042833A1 (en) * | 2018-08-28 | 2020-03-05 | 南京理工大学 | Parking space detection system and method based on lora wireless communication technology |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020042833A1 (en) | 2020-03-05 |
| KR20200100154A (en) | 2020-08-25 |
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