CN109686111A - A kind of vehicle detection apparatus and method based on bimodulus non-contact inductive - Google Patents
A kind of vehicle detection apparatus and method based on bimodulus non-contact inductive Download PDFInfo
- Publication number
- CN109686111A CN109686111A CN201910111255.8A CN201910111255A CN109686111A CN 109686111 A CN109686111 A CN 109686111A CN 201910111255 A CN201910111255 A CN 201910111255A CN 109686111 A CN109686111 A CN 109686111A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- sensor
- contact inductive
- detection
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 68
- 230000001939 inductive effect Effects 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 13
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000006698 induction Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
The embodiment of the invention discloses a kind of vehicle detection apparatus and method based on bimodulus non-contact inductive, described device include: whether detection parking stall has vehicles while passing/entrance geomagnetic sensor；For detecting the microwave remote sensor for whether having vehicle above the detection device；The Hall sensor of the detection device is waken up by strong magnet convenient for user；With the NB-IoT module of operator platform connection communication；For the power supply mould group of detection device power supply；And MCU, the MCU are electrically connected with geomagnetic sensor, microwave remote sensor, Hall sensor, NB-IoT module and power supply mould group.The embodiment of the present invention wakes up the present apparatus by using geomagnetic sensor, the double detection modes of microwave remote sensor and by Hall sensor, have the characteristics that high reliability, long life, be easily installed deployment, without manual maintenance and plurality of application scenes can be adapted to, and then meets the needs of urban road parking management.
Description
Technical field
The present invention relates to urban road parking management technical fields more particularly to a kind of based on bimodulus non-contact inductive
Vehicle detection apparatus and method.
Background technique
Mainly based on card-scanning type system, representative is the system around Parking Meter building for the urban road parking management of early stage.
A kind of typical operating process is: after vehicle enters parking stall, car owner gets off, and is swiped the card and is paid the fees on Parking Meter using fiscard
Registration, roadside control unit verifies mutually identity according to order, by financial certification authority security module and fiscard, after being verified,
Read the information of stored value card in fiscard；Before car owner sails out of parking stall, reuses fiscard and swipe the card on Parking Meter payment, road
Side control unit obtains residual amount in fiscard by noncontact IC card module, and comparison currently answers deducted amount, and deduction should be detained
The money amount of money after withholing successfully, returns to successful information of withholing.However such system is not paid the fees after can not solving parking, and is not paid
The problem of expense can not collect evidence can only supervise in the spot and manage by toll collector, human cost has been significantly greatly increased, meet not
Municipal administration, road parking unmanned management business demand.
With reaching its maturity for the technologies such as artificial intelligence, image procossing, domestic and international multiple cities are deployed around camera shooting
The parking management system of head building.The system is divided into for access control and parking stall fine-grained management two types.The first
Type realizes management to vehicle is entered and left by setting up banister in parking lot entrance.However the program can not be real to each parking stall
Existing fine-grained management, and generally require the participation of personnel.Second of type covers several (such as 2) vehicles using a camera
Position enters and leaves the vehicle on parking stall and is managed by way of Car license recognition.However camera is easily damaged (as artificially broken
It is bad), and working effect is bad in bad weather conditions.
In addition, also having been done both at home and abroad to the urban road parking management system based on technology of Internet of things at present some preliminary
It attempts.However there is different problems (such as parking space detector detection success rate is too low, cost is excessively high), Wu Faman in existing scheme
The needs of sufficient urban road parking management.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that providing a kind of vehicle based on bimodulus non-contact inductive
Detection device and method, so as to meet the needs of urban road parking management.
In order to solve the above-mentioned technical problem, the embodiment of the present invention proposes a kind of vehicle based on bimodulus non-contact inductive
Detection device, comprising: whether detection parking stall has vehicles while passing/entrance geomagnetic sensor；For detecting the detection device
Whether side has the microwave remote sensor of vehicle；The Hall sensor of the detection device is waken up by strong magnet convenient for user；With operation
The NB-IoT module of quotient's platform connection communication；For the power supply mould group of detection device power supply；And MCU, the MCU and earth magnetism pass
Sensor, microwave remote sensor, Hall sensor, NB-IoT module and power supply mould group electrical connection.
Correspondingly, the present invention also provides a kind of vehicle checking methods based on bimodulus non-contact inductive, comprising:
Step 1: the wake-up signal that user uses strong magnet to issue being received by Hall sensor, and enters working condition；
Step 2: starting geomagnetic sensor monitors GEOMAGNETIC CHANGE, while being spaced preset period of time and uploading heartbeat data
Packet；
Step 3: vehicles while passing being judged whether there is according to the GEOMAGNETIC CHANGE calculating monitored and enters stable state；If so, into
Enter step 4；If it is not, then continuing to monitor GEOMAGNETIC CHANGE；
Step 4: triggering microwave remote sensor judges the vehicle based on bimodulus non-contact inductive by microwave remote sensor detection
Whether there is vehicle above detection device, if so, then reporting vehicle to stop into information immediately；If it is not, then reporting vehicle to sail out of letter immediately
Breath.
The embodiment of the present invention is described by proposing a kind of vehicle detection apparatus and method based on bimodulus non-contact inductive
Detection device includes MCU, geomagnetic sensor, microwave remote sensor, Hall sensor, NB-IoT module and power supply mould group, by adopting
The present apparatus is waken up with geomagnetic sensor, the double detection modes of microwave remote sensor and by Hall sensor, there is high reliability, length
Service life is easily installed deployment, without manual maintenance and the characteristics of can be adapted to plurality of application scenes, and then meets city road
The needs of road parking management.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the vehicle detection apparatus based on bimodulus non-contact inductive of the embodiment of the present invention.
Fig. 2 is the workflow signal of the vehicle detection apparatus based on bimodulus non-contact inductive of the embodiment of the present invention
Figure.
Fig. 3 is the flow diagram of the vehicle checking method based on bimodulus non-contact inductive of the embodiment of the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
It mutually combines, invention is further described in detail in the following with reference to the drawings and specific embodiments.
If directional instruction (such as up, down, left, right, before and after ...) is only used for explaining at certain in the embodiment of the present invention
Relative positional relationship, motion conditions etc. under one particular pose (as shown in the picture) between each component, if the particular pose is sent out
When raw change, then directionality instruction also correspondingly changes correspondingly.
If in addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.
Please refer to Fig. 1, the vehicle detection apparatus based on bimodulus non-contact inductive of the embodiment of the present invention include MCU,
Magnetic Sensor, microwave remote sensor, Hall sensor, NB-IoT module and power supply mould group.
Geomagnetic sensor is for detecting whether parking stall has vehicles while passing/entrance.Microwave remote sensor is for detecting the detection
Whether there is vehicle above device.The embodiment of the present invention uses the double detection modes of geomagnetic sensor, microwave remote sensor, and it is accurate to improve
Rate.
Hall sensor passes through vehicle detection of the strong magnet periodic wakeup based on bimodulus non-contact inductive convenient for user
Device configures the vehicle detection apparatus based on bimodulus non-contact inductive.The embodiment of the present invention is set using low-power consumption
Meter, can periodic wakeup detect GEOMAGNETIC CHANGE, only work in vehicles while passing；Meanwhile Hall sensor makes to connect based on bimodulus is non-
The vehicle detection apparatus of touch induction is easily installed deployment.
NB-IoT module is used for and operator's platform connection communication, upload downloading data.Based on bimodulus non-contact inductive
Vehicle detection apparatus present apparatus electricity and operating status are reported by NB-IoT module automatically, user can pass through operator's platform
Send instructions vehicle detection apparatus of the control based on bimodulus non-contact inductive under long-range, is not necessarily to manual maintenance.
Mould group of powering is the entirely vehicle detection apparatus power supply based on bimodulus non-contact inductive.MCU and geomagnetic sensor,
Microwave remote sensor, Hall sensor, NB-IoT module and power supply mould group electrical connection, it is entirely contactless based on bimodulus for controlling
The vehicle detection apparatus of induction.
As an implementation, the vehicle detection apparatus based on bimodulus non-contact inductive further includes being electrically connected with MCU
Wireless communication module, wireless communication module be convenient for and handheld terminal (such as mobile phone, laptop, the equipment such as tablet computer) phase
Even, the vehicle detection apparatus based on bimodulus non-contact inductive is configured.
As an implementation, power supply mould group includes battery, voltage detection module and LDO Voltage stabilizing module, the battery
It is electrically connected with NB-IoT module, microwave remote sensor, voltage detection module and LDO Voltage stabilizing module, MCU is electrically connected with voltage detection module
It connects；LDO Voltage stabilizing module is electrically connected with MCU, geomagnetic sensor, Hall sensor.Battery directly passes NB-IoT module and microwave
Sensor module is powered.Voltage detection module is controlled by MCU, monitors cell voltage.LDO Voltage stabilizing module provides regulated power supply,
To MCU, geomagnetic sensor, Hall sensor and wireless communication module power supply.
As an implementation, the vehicle detection apparatus based on bimodulus non-contact inductive further includes being electrically connected with MCU
External memory module.Using external memory module, prevent from exhausting because of communication failure, battery and other possible extraneous factors caused by
Loss of data.
The embodiment of the present invention during installation, need to will be embedded to parking stall based on the vehicle detection apparatus of bimodulus non-contact inductive
Center guarantees that the vehicle detection apparatus upper cover based on bimodulus non-contact inductive is concordant with ground and unobstructed, then with strong magnetic
Iron wakes up the present apparatus (vehicle detection apparatus based on bimodulus non-contact inductive), completes to configure by handheld terminal.Completion is matched
It postpones, the vehicle detection apparatus based on bimodulus non-contact inductive can normal use.Vehicle based on bimodulus non-contact inductive
Detection device passes through geomagnetic sensors detection to vehicles while passing and enters stable state, triggers microwave remote sensor immediately and detects above its
Whether vehicle is had；If vehicle enters parking stall, have vehicle above vehicle detection apparatus based on bimodulus non-contact inductive, then to
Operator's platform reports vehicle to stop into information immediately；If vehicle sails out of parking stall, the vehicle inspection based on bimodulus non-contact inductive
It surveys above device without vehicle, then reports vehicle to sail out of information immediately to operator's platform；Other situations are without information reporting, the present apparatus
Periodically report operating status and electricity to operator's platform.
The workflow of the embodiment of the present invention is as shown in Figure 2.
Referring to figure 3., the vehicle checking method based on bimodulus non-contact inductive of the embodiment of the present invention include step 1~
Step 4.The vehicle checking method based on bimodulus non-contact inductive of the embodiment of the present invention is applied to contactless based on bimodulus
In the vehicle detection apparatus of induction.
Step 1: the wake-up signal that user uses strong magnet to issue being received by Hall sensor, and enters working condition.
Step 2: starting geomagnetic sensor monitors GEOMAGNETIC CHANGE, while being spaced preset period of time and uploading heartbeat data
It wraps to operator's platform.If not receiving information every a period of time, operator's platform, then meaning there may be exception,
Operator's platform will send an instruction and patrol pipe personnel's handheld terminal to corresponding.Go to check whether occur by patrolling before pipe personnel
Unusual condition.Vehicle detection apparatus based on bimodulus non-contact inductive can star unlimited restarting mode, some failures are restarted
Can solve, except non-demolition obtains very severe, just need to dig up from ground end, dispose one it is new.
Step 3: vehicles while passing being judged whether there is according to the GEOMAGNETIC CHANGE calculating monitored and enters stable state；If so, into
Enter step 4；If it is not, then continuing to monitor GEOMAGNETIC CHANGE；
Step 4: triggering microwave remote sensor judges the vehicle based on bimodulus non-contact inductive by microwave remote sensor detection
Whether there is vehicle above detection device, if so, then reporting vehicle to stop into information immediately；If it is not, then reporting vehicle to sail out of letter immediately
Breath.
As an implementation, the step 3 includes:
Calculating judges sub-step: giving GEOMAGNETIC CHANGE detection cycle as T, corresponds to the threshold value TH of three, space reference axisi,i
=x, y, z；In the n-th sampling period, the earth magnetism numerical value of three, space reference axis is measured by geomagnetic sensorForCalculate separately ordered series of numbersFirst derivative [Φ 'i1,Φ'i2]
With second dervative Φ "i；For ([Φ 'i1,Φ'i2],Φ"i), i=x, y, z, if [Φ 'i1,Φ'i2] in minimum value be greater than
Threshold value THi, and Φ "i> 0, then for detected on i axis vehicles while passing and enter steady state information；If in x, y, in z-axis, arbitrarily
Vehicles while passing is detected on two axis and enters steady state information, then determines that there is vehicles while passing in parking stall and enters stable state.
As an implementation, the step 4 includes:
Sub-step 1: given microwave sampling period T, lower-frequency limit fL, upper frequency limit fH, microwave detection sensitivity S；
Sub-step 2: close echo is obtained, removes close echo front pulse, obtains signal x (n), n=0,1,2 ..., N；To x
(n) fast Fourier variation (FFT) operation is carried out, X (f is obtainedk), k=0,1,2 ..., N；
Sub-step 3: to X (fk) f in sequencek∈[fL,fH) item summation；
Sub-step 4: repeating sub-step more than 1~3 time, chooses the maximum value in repeatedly summation as measured value；
Sub-step 5: if measured value is greater than the product of measured value and sensitivity S when initializing, it is determined as there is vehicle, instead
Be then no vehicle.
As an implementation, after the step 1 further include:
State reporting step: periodically report operating status and electricity to operator's platform.Can by platform it is long-range under bristle with anger
Enable vehicle detection apparatus of the control based on bimodulus non-contact inductive.
As an implementation, after the step 1 further include:
Configure deploying step: signal (wireless communication signals of wireless communication module) connection is hand-held eventually by wireless communication
End carries out configuration deployment according to the instruction that handheld terminal is sent.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention are defined by the appended claims and their equivalents.
Claims (9)
1. a kind of vehicle detection apparatus based on bimodulus non-contact inductive characterized by comprising whether detection parking stall has vehicle
Disengaging/entrance geomagnetic sensor；For detecting the microwave remote sensor for whether having vehicle above the detection device；Convenient for user
The Hall sensor of the detection device is waken up by strong magnet；With the NB-IoT module of operator platform connection communication；For institute
State the power supply mould group of detection device power supply；And MCU, the MCU and geomagnetic sensor, microwave remote sensor, Hall sensor, NB-
IoT module and power supply mould group electrical connection.
2. the vehicle detection apparatus as described in claim 1 based on bimodulus non-contact inductive, which is characterized in that further include with
The wireless communication module of MCU electrical connection.
3. the vehicle detection apparatus as described in claim 1 based on bimodulus non-contact inductive, which is characterized in that the power supply
Mould group includes battery, voltage detection module and LDO Voltage stabilizing module, and the battery and NB-IoT module, microwave remote sensor, voltage are examined
It surveys module and the electrical connection of LDO Voltage stabilizing module, MCU is electrically connected with voltage detection module；LDO Voltage stabilizing module and MCU, earth magnetism sense
Device, Hall sensor electrical connection.
4. the vehicle detection apparatus as described in claim 1 based on bimodulus non-contact inductive, which is characterized in that further include with
The external memory module of MCU electrical connection.
5. a kind of vehicle checking method based on bimodulus non-contact inductive characterized by comprising
Step 1: the wake-up signal that user uses strong magnet to issue being received by Hall sensor, and enters working condition；
Step 2: starting geomagnetic sensor monitors GEOMAGNETIC CHANGE, while being spaced preset period of time and uploading heartbeat data packets；
Step 3: vehicles while passing being judged whether there is according to the GEOMAGNETIC CHANGE calculating monitored and enters stable state；If so, entering step
Rapid 4；If it is not, then continuing to monitor GEOMAGNETIC CHANGE；
Step 4: triggering microwave remote sensor judges the vehicle detection based on bimodulus non-contact inductive by microwave remote sensor detection
Whether there is vehicle above device, if so, then reporting vehicle to stop into information immediately；If it is not, then reporting vehicle to sail out of information immediately.
6. the vehicle checking method as claimed in claim 5 based on bimodulus non-contact inductive, which is characterized in that the step
3 include:
Calculating judges sub-step: giving GEOMAGNETIC CHANGE detection cycle as T, corresponds to the threshold value TH of three, space reference axisi, i=x, y,
z；In the n-th sampling period, the earth magnetism numerical value of three, space reference axis is measured by geomagnetic sensorForCalculate separately ordered series of numbersFirst derivative [Φ 'i1,Φ'i2] and second dervative Φ "i；It is right
In ([Φ 'i1,Φ'i2],Φ"i), i=x, y, z, if [Φ 'i1,Φ'i2] in minimum value be greater than threshold value THi, and Φ "i> 0,
It is then to detect vehicles while passing on i axis and enter steady state information；If in x, y in z-axis, detects vehicle on any two axis
Pass in and out and enter steady state information, then determine parking stall have vehicles while passing and enter stable state.
7. the vehicle checking method as claimed in claim 5 based on bimodulus non-contact inductive, which is characterized in that the step
4 include:
Sub-step 1: given microwave sampling period T, lower-frequency limit fL, upper frequency limit fH, microwave detection sensitivity S；
Sub-step 2: close echo is obtained, removes close echo front pulse, obtains signal x (n), n=0,1,2 ..., N；To x (n)
It carries out fast Fourier and changes operation, obtain X (fk), k=0,1,2 ..., N；
Sub-step 3: to X (fk) f in sequencek∈[fL,fH) item summation；
Sub-step 4: repeating sub-step more than 1~3 time, chooses the maximum value in repeatedly summation as measured value；
Sub-step 5: if measured value be greater than initialization when measured value and sensitivity S product, be determined as there is vehicle, it is on the contrary then
For no vehicle.
8. the vehicle checking method as claimed in claim 5 based on bimodulus non-contact inductive, which is characterized in that the step
After 1 further include:
State reporting step: operating status and electricity are periodically reported.
9. the vehicle checking method as claimed in claim 5 based on bimodulus non-contact inductive, which is characterized in that the step
After 1 further include:
Configure deploying step: signal connects handheld terminal by wireless communication, is configured according to the instruction that handheld terminal is sent
Deployment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111255.8A CN109686111A (en) | 2019-02-12 | 2019-02-12 | A kind of vehicle detection apparatus and method based on bimodulus non-contact inductive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111255.8A CN109686111A (en) | 2019-02-12 | 2019-02-12 | A kind of vehicle detection apparatus and method based on bimodulus non-contact inductive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109686111A true CN109686111A (en) | 2019-04-26 |
Family
ID=66195678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910111255.8A Pending CN109686111A (en) | 2019-02-12 | 2019-02-12 | A kind of vehicle detection apparatus and method based on bimodulus non-contact inductive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109686111A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111161547A (en) * | 2020-01-21 | 2020-05-15 | 中邮科通信技术股份有限公司 | Vehicle detection system based on NB-IoT combined geomagnetic guidance microwave detection and working method thereof |
| CN112687112A (en) * | 2019-10-17 | 2021-04-20 | 中国科学院深圳先进技术研究院 | Geomagnetic detector and control method thereof |
| CN114582033A (en) * | 2022-03-02 | 2022-06-03 | 章晋龙 | Wisdom parking system based on noninductive payment mechanism |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205016074U (en) * | 2015-10-16 | 2016-02-03 | 无锡华赛伟业传感信息科技有限公司 | Parking stall detection system |
| KR101586706B1 (en) * | 2015-08-10 | 2016-02-03 | (주)버드나인 | Method for managing car parking using car stopper with geomagnetic wireless sensor |
| CN106023457A (en) * | 2015-11-16 | 2016-10-12 | 江苏宏溥科技有限公司 | Pile-site-free type parking management system and method |
| CN106875733A (en) * | 2017-03-17 | 2017-06-20 | 南京理工大学 | Based on adaptive environment multisensor low-power consumption vehicle detecting system and method |
| CN107331197A (en) * | 2017-07-24 | 2017-11-07 | 同济大学 | A kind of parking systems stall testing apparatus, system and method |
| CN107680399A (en) * | 2017-08-17 | 2018-02-09 | 广东中科陆普物联网络科技有限公司 | Wireless method for detecting parking stalls and parking space detector |
| CN209265698U (en) * | 2019-02-12 | 2019-08-16 | 艾伯资讯（深圳）有限公司 | A kind of vehicle detection apparatus based on bimodulus non-contact inductive |
-
2019
- 2019-02-12 CN CN201910111255.8A patent/CN109686111A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101586706B1 (en) * | 2015-08-10 | 2016-02-03 | (주)버드나인 | Method for managing car parking using car stopper with geomagnetic wireless sensor |
| CN205016074U (en) * | 2015-10-16 | 2016-02-03 | 无锡华赛伟业传感信息科技有限公司 | Parking stall detection system |
| CN106023457A (en) * | 2015-11-16 | 2016-10-12 | 江苏宏溥科技有限公司 | Pile-site-free type parking management system and method |
| CN106875733A (en) * | 2017-03-17 | 2017-06-20 | 南京理工大学 | Based on adaptive environment multisensor low-power consumption vehicle detecting system and method |
| CN107331197A (en) * | 2017-07-24 | 2017-11-07 | 同济大学 | A kind of parking systems stall testing apparatus, system and method |
| CN107680399A (en) * | 2017-08-17 | 2018-02-09 | 广东中科陆普物联网络科技有限公司 | Wireless method for detecting parking stalls and parking space detector |
| CN209265698U (en) * | 2019-02-12 | 2019-08-16 | 艾伯资讯（深圳）有限公司 | A kind of vehicle detection apparatus based on bimodulus non-contact inductive |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687112A (en) * | 2019-10-17 | 2021-04-20 | 中国科学院深圳先进技术研究院 | Geomagnetic detector and control method thereof |
| CN111161547A (en) * | 2020-01-21 | 2020-05-15 | 中邮科通信技术股份有限公司 | Vehicle detection system based on NB-IoT combined geomagnetic guidance microwave detection and working method thereof |
| CN114582033A (en) * | 2022-03-02 | 2022-06-03 | 章晋龙 | Wisdom parking system based on noninductive payment mechanism |
| CN114582033B (en) * | 2022-03-02 | 2024-05-10 | 西安易车位网络科技有限公司 | Intelligent parking system based on non-inductive payment mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103824334B (en) | Parking lot fee collection management system | |
| CN109686111A (en) | A kind of vehicle detection apparatus and method based on bimodulus non-contact inductive | |
| US20200219395A1 (en) | Parking fee charging system and operating method thereof | |
| CN106384537A (en) | Parking lot management system based on video technology | |
| CN111540072B (en) | Parking space management service method, equipment and system | |
| CN104268951A (en) | Intelligent parking self-service system for networked parking places and use method thereof | |
| CN107942130A (en) | A kind of method and system of electric automobile charging pile dealing of abnormal data | |
| CN206863966U (en) | The unattended managing system of car parking in gateway | |
| CN107578627A (en) | A kind of Roadside Parking management method and system based on RFID | |
| CN108674220A (en) | Energy-saving charging pile reserving method and system | |
| CN108986534A (en) | Based on Car license recognition parking management method and system | |
| CN104036554B (en) | A kind of parking fee collective system method of vahicles label based on OBD interface | |
| CN209265698U (en) | A kind of vehicle detection apparatus based on bimodulus non-contact inductive | |
| CN102622786A (en) | Parking charge management system for open space | |
| CN102750747A (en) | Wireless unmanned parking lot management system | |
| CN109559551A (en) | A kind of city intelligent parking management system based on big data | |
| CN105869301B (en) | The electric automobile leasing system and its control method of mobile phone reservation charging can be passed through | |
| CN202976219U (en) | Charge management system for parking lots | |
| CN110782698A (en) | Parking space detection device and parking space detection method | |
| CN109935082A (en) | A method of its acquisition data of Transportation Data Collection Terminal and use based on WiFi | |
| CN106409008A (en) | Intelligent energy-saving management system for outdoor open type parking lot | |
| KR20180061911A (en) | A method and portable device for paying public transpotation fee | |
| CN113554883A (en) | Parking space detection device and control method | |
| CN112738768B (en) | Vehicle-mounted system and communication method thereof | |
| CN111182496A (en) | Method and system for awakening dormancy of drive test unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |