CN108281011A - A kind of vehicle in-place detection system and method - Google Patents
A kind of vehicle in-place detection system and method Download PDFInfo
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- CN108281011A CN108281011A CN201810071303.0A CN201810071303A CN108281011A CN 108281011 A CN108281011 A CN 108281011A CN 201810071303 A CN201810071303 A CN 201810071303A CN 108281011 A CN108281011 A CN 108281011A
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- vehicle
- parking stall
- spacing
- control panel
- object signal
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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
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
-
- 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
- G08G1/148—Management of a network of parking areas
Abstract
The present invention relates to a kind of vehicle in-place detection system and method, the system comprises：Ground magnetic value on geomagnetism detecting module detection parking stall, the control panel, it is moved when peak value reaches the first preset value for local magnetic wave and starts parking stall measure flow, and whether the difference of the ground magnetic value before judging the ground magnetic value after GEOMAGNETIC CHANGE is steady and disturbing reaches the second preset value；If not, geomagnetism detecting unit is unable to judge accurately that whether there is or not vehicles, then generate triggering command, the control panel starts range unit according to the triggering command and is detected again to the vehicle on parking stall, spacing is obtained, the control panel obtains testing result according to the spacing, and the testing result is sent to server, the server obtains parking stall management information according to the testing result, manages parking stall.Thus it can again be detected by range unit when changes of magnetic field unobvious caused by vehicle, geomagnetism detecting module are unable to judge accurately on parking stall and whether have vehicle, improve Detection accuracy.
Description
Technical field
The present invention relates to technical field of vehicle detection, more particularly to a kind of vehicle in-place detection system and method.
Background technology
In order to enable parking stall reasonably to be managed and be used, it is provided on each parking stall for detecting whether there is vehicle
Parked vehicle detector.Existing earth magnetism wagon detector is mainly the variation shape that magnetic field is detected by magnetic resistance sensing device
Condition, realize vehicle whether there is or not judgement.But current earth magnetism wagon detector is using composite material or chassis steel in face of chassis
Iron dosage is less or chassis height it is higher when, detect changes of magnetic field unobvious caused by vehicle.Thus it is existing only
By changes of magnetic field to determine whether there is the wagon detector of vehicle often can not accurately to judge that this is significant adverse to the pipe of parking stall
Reason.Therefore, industry is had to go to the toilet, and needs are a kind of to cause changes of magnetic field is unconspicuous still can accurately detect in place in vehicle
The method of vehicle.
Invention content
In order to overcome of the existing technology and existing changes of magnetic field is only relied on to determine whether the vehicle detection for having vehicle
The deficiency that device often can not accurately judge, the present invention provides a kind of vehicle in-place detection system and methods.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of vehicle in-place detection system, including：Range unit, control panel, server；Earth magnetism inspection is provided on the control panel
Survey module；The range unit is connected with control panel, and controller is also connected with server；The geomagnetism detecting module detects parking stall
On ground magnetic value, the control panel moves when peak value reaches the first preset value for local magnetic wave and starts parking stall measure flow, and sentence
Whether the difference of the ground magnetic value before ground magnetic value and disturbance after disconnected GEOMAGNETIC CHANGE is steady reaches the second preset value；It is touched if it is not, then generating
Send instructions, the control panel starts range unit according to the triggering command and is detected again to the vehicle on parking stall, obtains
Spacing, the control panel obtains testing result according to the spacing, and the testing result is sent to server, the service
Device obtains parking stall management information according to the testing result, manages parking stall.
Preferably, the control panel starts range unit according to the triggering command and is examined again to the vehicle on parking stall
Spacing is measured, the control panel obtains testing result according to the spacing and includes：Range unit is sent out according to the triggering command
It send and surveys object signal, the sending time for surveying object signal is returned into control panel, and receive the survey object signal by reflection, object letter will be surveyed
Number receiving time return to control panel, spacing is calculated according to sending time and receiving time in the control panel, and according to
The spacing obtains testing result.
Preferably, spacing is calculated according to sending time and receiving time in the control panel, and is obtained according to the spacing
Include to testing result：Receiving time is subtracted sending time and obtains surveying object signal transmission time by the control panel；Object letter will be surveyed
Number transmission time, which is multiplied by, to be surveyed object signaling rate and obtains surveying object signal transmission distance；By the survey object signal transmission distance divided by
Two, obtain spacing；Judge the spacing whether in preset vehicle threshold range in place；If so, judging that vehicle parking exists
On parking stall.
Preferably, vehicle threshold range in place is set in control panel in advance.
Preferably, the range unit is ultrasonic unit, and the survey object signal is ultrasonic wave；Or the range unit
For infrared facility, the survey object signal is infrared ray；Or the range unit is radar installations, the survey object signal is thunder
Up to signal.
A kind of vehicle in position detecting method, including：Detect the ground magnetic value on parking stall；Local magnetic wave moves peak value and reaches first in advance
If starting parking stall measure flow when value, and whether the difference of the ground magnetic value before judging the ground magnetic value after GEOMAGNETIC CHANGE is steady and disturbing reaches
To the second preset value；If it is not, generating triggering command；The vehicle on parking stall is detected to obtain again according to the triggering command
Spacing；Testing result is obtained according to the spacing；Parking stall management information is obtained according to the testing result, manages parking stall.
Preferably, the vehicle on parking stall is detected again according to the triggering command to obtain spacing；According to the vehicle
Include away from the step of obtaining testing result：It being sent according to the triggering command and surveys object signal, record surveys the sending time of object signal,
And survey object signal by reflection is received, record surveys the receiving time of object signal, is calculated according to sending time and receiving time
Testing result is obtained to spacing, and according to the spacing.
Preferably, spacing is calculated according to sending time and receiving time, and testing result is obtained according to the spacing
The step of include：Receiving time is subtracted sending time to obtain surveying object signal transmission time；Object signal transmission time will be surveyed to be multiplied by
Object signaling rate is surveyed to obtain surveying object signal transmission distance；By the survey object signal transmission distance divided by two, spacing is obtained；Sentence
The spacing break whether in preset vehicle threshold range in place；If so, judging vehicle parking on parking stall.
Preferably, further include：Pre-set vehicle threshold range in place.
Preferably, the object signal of surveying is any one in ultrasonic wave, infrared ray and radar signal.
The beneficial effects of the invention are as follows：The vehicle in-place detection system of the present invention, including：Range unit, control panel, service
Device；Geomagnetism detecting module is provided on the control panel；Ground magnetic value on geomagnetism detecting module detection parking stall, the control
Plate locality magnetic wave, which moves when peak value reaches the first preset value, starts parking stall measure flow, and judges the ground magnetic value after GEOMAGNETIC CHANGE is steady
And whether the difference of the ground magnetic value before disturbance reaches the second preset value；If so, can determine whether that whether there is or not vehicles on parking stall, if it is not, earth magnetism is examined
It surveys unit to be unable to judge accurately whether there is or not vehicle, then generates triggering command, the control panel starts ranging according to the triggering command
Device is detected the vehicle on parking stall again, obtains spacing, and the control panel obtains testing result according to the spacing, and
The testing result is sent to server, the server obtains parking stall management information according to the testing result, manages vehicle
Position.Changes of magnetic field unobvious caused by vehicle can thus be worked as, whether geomagnetism detecting module is unable to judge accurately on parking stall has vehicle
When, it can again be detected by range unit, improve Detection accuracy.In addition, server receives the detection that control is sent
As a result, and judge whether there is vehicle on parking stall according to the testing result, manage parking stall, have extraordinary practicability.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the schematic block diagram of the vehicle in-place detection system of an embodiment.
Fig. 2 is the schematic diagram of the cylindricality stake of an embodiment.
Fig. 3 is that the cylindricality stake of an embodiment is mounted on the schematic diagram of parking stall back or side.
Fig. 4 is that the vehicle of an embodiment is parked in the schematic diagram on the parking stall for being equipped with cylindricality stake.
Fig. 5 is schematic flow chart of the vehicle in position detecting method of an embodiment.
Specific implementation mode
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
Referring to Fig. 1-4, a kind of vehicle in-place detection system, including：Range unit, control panel, server；The control panel
On be provided with geomagnetism detecting module；The range unit is connected with control panel, and controller is also connected with server；The earth magnetism inspection
The ground magnetic value on module detection parking stall is surveyed, the control panel moves when peak value reaches the first preset value for local magnetic wave and starts vehicle
Position testing process, and judge whether the difference of the ground magnetic value after GEOMAGNETIC CHANGE is steady and the ground magnetic value before disturbance reaches second and preset
Value；If so, can determine whether there is or not vehicle, if it is not, geomagnetism detecting unit is unable to judge accurately, whether there is or not vehicles, then generate triggering command,
The control panel starts range unit according to the triggering command and is detected again to the vehicle on parking stall, obtains spacing, institute
State control panel and testing result obtained according to the spacing, and the testing result is sent to server, the server according to
The testing result obtains parking stall management information, manages parking stall.
In the present embodiment, the range unit and control panel are arranged inside cylindricality stake 1, as shown in Figure 2.The cylindricality
Stake 1 is mounted on the side or back on parking stall, and vehicle 2 is parked on parking stall, referring to Fig. 3 and Fig. 4.Certainly, the range unit
It can also be mounted on inside the fixing piece of other shapes with control panel, be not specifically limited herein.Geomagnetism detecting module can be set
It sets in parking stall back or side have figurate device, such as cylindricality stake, can also be provided separately on parking stall,
It is not specifically limited herein.
In the present embodiment, the control panel obtains testing result according to the spacing, and the testing result is to have on parking stall
Without vehicle on vehicle or parking stall.It should be noted that when there is vehicle stopping or vehicle is sailing out of parking stall on parking stall, or have
Vehicle is when by near current parking stall, variation of the geomagnetism detecting module in detection earth magnetism in real time.It can implement as one
Scheme, the first preset value for 50 units magnetic value, the second preset value for 30 units magnetic value.The control panel is microcontroller.
Further, the control panel according to the triggering command start range unit to the vehicle on parking stall again into
Row detection obtains spacing, and the control panel obtains testing result according to the spacing and includes：Range unit refers to according to the triggering
It enables sending and surveys object signal, the sending time for surveying object signal is returned into control panel, and receive the survey object signal by reflection, will surveyed
The receiving time of object signal returns to control panel, and spacing is calculated according to sending time and receiving time in the control panel, and
Testing result is obtained according to the spacing.And spacing, and root is calculated according to sending time and receiving time in the control panel
Obtaining testing result according to the spacing includes：The control panel by receiving time subtract sending time obtain survey object signal transmission when
Between；Survey object signal transmission time is multiplied by survey object signaling rate to obtain surveying object signal transmission distance；By the survey object signal
Distance divided by two is transmitted, spacing is obtained；Judge the spacing whether in preset vehicle threshold range in place；If so, sentencing
Disconnected vehicle parking is on parking stall.
In the present embodiment, vehicle threshold range in place is set in control panel in advance.As an optional embodiment, vehicle
Threshold range in place is 0.3-2.5m.If the spacing detected judges there is vehicle on parking stall in 3-2.5m.If the vehicle detected
Away from not in 0.3-2.5m, then judge on parking stall without vehicle.
In the present embodiment, the range unit is ultrasonic unit, and the survey object signal is ultrasonic wave；Or the ranging
Device is infrared facility, and the survey object signal is infrared ray；Or the range unit is radar installations, the survey object signal
For radar signal.
In the present embodiment, further include：Mobile terminal；The mobile terminal and server network connection；The mobile terminal,
Parking stall vehicle management information for receiving server transmission；The parking stall vehicle management information includes：There is vehicle in parking stall（Parking stall without
Vehicle）, parking stall numbering.Closer, the mobile terminal is mobile phone or IPAD.
One of the application of the vehicle in-place detection system is as follows：
Vehicle is come when stopping parking stall, for vehicle in docking process, geomagnetism detecting unit detects that earth magnetism changes；Work as vehicle
It stops after stablizing, control panel is judged to start parking stall measure flow when earth magnetism fluctuation peak value reaches the first preset value, and judges ground
Whether the difference of the ground magnetic value before ground magnetic value and disturbance after magnetic variationization is steady reaches the second preset value；If so, can determine whether that whether there is or not vehicles
, if it is not, geomagnetism detecting unit is unable to judge accurately whether there is or not vehicle, then triggering command is generated, the control panel is touched according to described
The startup range unit that sends instructions is detected the vehicle on parking stall again, obtains spacing, the control panel is according to the spacing
Testing result is obtained, and the testing result is sent to server, the server obtains parking stall according to the testing result
Management information manages parking stall.
When vehicle leaves parking stall, for vehicle during sailing out of parking stall, geomagnetism detecting unit detects earth magnetism
Variation；After vehicle leaves parking stall completely, GEOMAGNETIC CHANGE can be steady, and it is pre- that control panel judges that earth magnetism fluctuation peak value reaches first
If starting parking stall measure flow when value, and whether the difference of the ground magnetic value before judging the ground magnetic value after GEOMAGNETIC CHANGE is steady and disturbing reaches
To the second preset value；If it is not, then generating triggering command, the control panel starts range unit to parking stall according to the triggering command
On vehicle be detected again, obtain spacing, the control panel obtains testing result according to the spacing, and by the detection
As a result it is sent to server, the server obtains parking stall management information according to the testing result, manages parking stall.
The vehicle in-place detection system of the present invention, including：Range unit, control panel, server；It is arranged on the control panel
There is geomagnetism detecting module；Ground magnetic value on geomagnetism detecting module detection parking stall, control panel locality magnetic wave move peak value and reach
To starting parking stall measure flow when the first preset value, and judge the ground magnetic value after GEOMAGNETIC CHANGE is steady and the ground magnetic value before disturbance it
Whether difference reaches the second preset value；If so, can determine whether there is or not vehicle, if it is not, geomagnetism detecting unit is unable to judge accurately, whether there is or not vehicles
, then generate triggering command, the control panel according to the triggering command start range unit to the vehicle on parking stall again into
Row detection, obtains spacing, the control panel obtains testing result according to the spacing, and the testing result is sent to service
Device, the server obtain parking stall management information according to the testing result, manage parking stall.Magnetic caused by vehicle can thus be worked as
Variation unobvious, geomagnetism detecting module are unable to judge accurately on parking stall when whether having vehicle, can again be examined by range unit
It surveys, improves Detection accuracy.In addition, server receives the testing result that control is sent, and sentenced according to the testing result
Whether there is vehicle on disconnected parking stall, manage parking stall, there is extraordinary practicability.Since range unit is only examined in geomagnetism detecting module
When indeterminable, be just triggered startup, therefore range unit energy energy saving, can widely promote the use of.
Referring to Fig. 5, a kind of vehicle in position detecting method, including：
S11 detects the ground magnetic value on parking stall；
S12 goes out earth magnetism fluctuation peak value described in judgement and reaches the first preset value；
S13, judges whether the ground magnetic value after GEOMAGNETIC CHANGE is steady and the difference of the ground magnetic value before disturbance reach the second preset value；If
It is that then can determine that, whether there is or not vehicle, detection terminates, executes step S17.If it is not, thening follow the steps S14.
S14 then generates triggering command；
S15 is detected the vehicle on parking stall according to the triggering command to obtain spacing again；
S16 obtains testing result according to the spacing；Specifically, step S15 and S16 include：It is sent according to the triggering command
Object signal is surveyed, record surveys the sending time of object signal, and receives the survey object signal by reflection, when record surveys the reception of object signal
Between, spacing is calculated according to sending time and receiving time, and testing result is obtained according to the spacing.Further,
Spacing is calculated according to sending time and receiving time, and the step of obtaining testing result according to the spacing includes：It will connect
Sending time is subtracted between time receiving to obtain surveying object signal transmission time；Object signal transmission time will be surveyed and be multiplied by survey object signaling rate
It obtains surveying object signal transmission distance；By the survey object signal transmission distance divided by two, spacing is obtained；Judge the spacing whether
In preset vehicle threshold range in place；If so, vehicle parking is judged on parking stall, if it is not, then judging no vehicle parking
On parking stall.
S17 obtains parking stall management information according to the testing result, manages parking stall.
In the present embodiment, further include：Pre-set vehicle threshold range in place.
In the present embodiment, the object signal of surveying is any one in ultrasonic wave, infrared ray and radar signal, is not done herein
It is specific to limit.
Above-mentioned vehicle in-place detection system is applicable in the vehicle in position detecting method, is not repeating one by one.
This programme is by detecting the ground magnetic value on parking stall；Go out described in judgement when earth magnetism fluctuation peak value reaches the first preset value and opens
Motor-car position testing process, and it is pre- to judge whether the difference of the ground magnetic value after GEOMAGNETIC CHANGE is steady and the ground magnetic value before disturbance reaches second
If value；If so, can determine that whether there is or not vehicles；If it is not, geomagnetism detecting unit is unable to judge accurately, whether there is or not vehicles, then generate triggering and refer to
It enables, the vehicle on parking stall is detected again according to the triggering command to obtain spacing；Detection knot is obtained according to the spacing
Fruit；Parking stall management information is obtained according to the testing result, manages parking stall.Changes of magnetic field is unknown caused by thus vehicle being worked as
Aobvious, geomagnetism detecting module is unable to judge accurately on parking stall when whether having vehicle, can again be detected by range unit, is improved detection
Accuracy rate.In addition, server receives the testing result that control is sent, and according to the testing result judge on parking stall whether
There is vehicle, manage parking stall, there is extraordinary practicability.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (10)
1. a kind of vehicle in-place detection system, which is characterized in that including：Range unit, control panel, server；The control panel
On be provided with geomagnetism detecting module；
The range unit is connected with control panel, and controller is also connected with server；
Ground magnetic value on geomagnetism detecting module detection parking stall, the control panel move peak value for local magnetic wave and reach first
Start parking stall measure flow when preset value, and the difference of the ground magnetic value before judging the ground magnetic value after GEOMAGNETIC CHANGE is steady and disturbing whether
Reach the second preset value；If it is not, then generating triggering command, the control panel starts range unit to vehicle according to the triggering command
Vehicle on position is detected again, obtains spacing, and the control panel obtains testing result according to the spacing, and by the inspection
It surveys result and is sent to server, the server obtains parking stall management information according to the testing result, manages parking stall.
2. vehicle in-place detection system according to claim 1, which is characterized in that the control panel refers to according to the triggering
Startup range unit is enabled to be detected to obtain spacing again to the vehicle on parking stall, the control panel is examined according to the spacing
Surveying result includes：
Range unit sends according to the triggering command and surveys object signal, and the sending time for surveying object signal is returned to control panel, and
The survey object signal by reflection is received, the receiving time for surveying object signal is returned into control panel, when the control panel is according to sending
Between and receiving time spacing is calculated, and testing result is obtained according to the spacing.
3. vehicle in-place detection system according to claim 2, which is characterized in that the control panel according to sending time and
Spacing is calculated in receiving time, and obtains testing result according to the spacing and include：
Receiving time is subtracted sending time and obtains surveying object signal transmission time by the control panel；
Survey object signal transmission time is multiplied by survey object signaling rate to obtain surveying object signal transmission distance；
By the survey object signal transmission distance divided by two, spacing is obtained；
Judge the spacing whether in preset vehicle threshold range in place；
If so, judging vehicle parking on parking stall.
4. vehicle in-place detection system according to claim 1, which is characterized in that vehicle is arranged in control panel in advance and exists
Position threshold range.
5. vehicle in-place detection system according to claim 1, which is characterized in that the range unit fills for ultrasonic wave
It sets, the survey object signal is ultrasonic wave；Or
The range unit is infrared facility, and the survey object signal is infrared ray；Or
The range unit is radar installations, and the survey object signal is radar signal.
6. a kind of vehicle is in position detecting method, which is characterized in that including：
Detect the ground magnetic value on parking stall；
Local magnetic wave, which moves when peak value reaches the first preset value, starts parking stall measure flow, and judges the earth magnetism after GEOMAGNETIC CHANGE is steady
Whether the difference of the ground magnetic value before value and disturbance reaches the second preset value；
If it is not, generating triggering command；
The vehicle on parking stall is detected again according to the triggering command to obtain spacing；
Testing result is obtained according to the spacing；
Parking stall management information is obtained according to the testing result, manages parking stall.
7. vehicle according to claim 6 is in position detecting method, which is characterized in that according to the triggering command on parking stall
Vehicle be detected to obtain spacing again；The step of obtaining testing result according to the spacing include：
It is sent according to the triggering command and surveys object signal, record surveys the sending time of object signal, and receives the survey object by reflection
Signal, record survey the receiving time of object signal, spacing are calculated according to sending time and receiving time, and according to the spacing
Obtain testing result.
8. vehicle according to claim 7 is in position detecting method, which is characterized in that according to sending time and receiving time meter
Calculation obtains spacing, and the step of obtaining testing result according to the spacing includes：
Receiving time is subtracted sending time to obtain surveying object signal transmission time；
Survey object signal transmission time is multiplied by survey object signaling rate to obtain surveying object signal transmission distance；
By the survey object signal transmission distance divided by two, spacing is obtained；
Judge the spacing whether in preset vehicle threshold range in place；
If so, judging vehicle parking on parking stall.
9. vehicle according to claim 6 is in position detecting method, which is characterized in that further include：
Pre-set vehicle threshold range in place.
10. vehicle according to claim 6 is in position detecting method, which is characterized in that the survey object signal is ultrasonic wave, red
Any one in outside line and radar signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810071303.0A CN108281011A (en) | 2018-01-25 | 2018-01-25 | A kind of vehicle in-place detection system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810071303.0A CN108281011A (en) | 2018-01-25 | 2018-01-25 | A kind of vehicle in-place detection system and method |
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| CN108281011A true CN108281011A (en) | 2018-07-13 |
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| CN201810071303.0A Pending CN108281011A (en) | 2018-01-25 | 2018-01-25 | A kind of vehicle in-place detection system and method |
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| CN109615876A (en) * | 2018-12-28 | 2019-04-12 | 张明荣 | A kind of vehicle is in position detecting method and system |
| CN109637185A (en) * | 2018-12-28 | 2019-04-16 | 张明荣 | A kind of charging pile parking stall management method and system |
| CN109637156A (en) * | 2018-12-28 | 2019-04-16 | 张明荣 | A kind of vehicle is in position detecting method and system |
| CN110288842A (en) * | 2019-07-09 | 2019-09-27 | 深圳市华腾物联科技有限公司 | A kind of method and apparatus that parking stall management is carried out based on earth magnetism |
| CN112162268A (en) * | 2020-08-19 | 2021-01-01 | 浙江创力电子股份有限公司 | Geomagnetic parking space detector and operation method thereof |
| CN117523849A (en) * | 2024-01-05 | 2024-02-06 | 中建科工集团智慧停车科技有限公司 | Parking space detection method, device and equipment based on geomagnetism and radar and storage medium |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109615876A (en) * | 2018-12-28 | 2019-04-12 | 张明荣 | A kind of vehicle is in position detecting method and system |
| CN109637185A (en) * | 2018-12-28 | 2019-04-16 | 张明荣 | A kind of charging pile parking stall management method and system |
| CN109637156A (en) * | 2018-12-28 | 2019-04-16 | 张明荣 | A kind of vehicle is in position detecting method and system |
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| CN109637185B (en) * | 2018-12-28 | 2022-04-05 | 张明荣 | Charging pile parking space management method and system |
| CN110288842A (en) * | 2019-07-09 | 2019-09-27 | 深圳市华腾物联科技有限公司 | A kind of method and apparatus that parking stall management is carried out based on earth magnetism |
| CN112162268A (en) * | 2020-08-19 | 2021-01-01 | 浙江创力电子股份有限公司 | Geomagnetic parking space detector and operation method thereof |
| CN117523849A (en) * | 2024-01-05 | 2024-02-06 | 中建科工集团智慧停车科技有限公司 | Parking space detection method, device and equipment based on geomagnetism and radar and storage medium |
| CN117523849B (en) * | 2024-01-05 | 2024-04-05 | 中建科工集团智慧停车科技有限公司 | Parking space detection method, device and equipment based on geomagnetism and radar and storage medium |
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