CN209265698U - A kind of vehicle detection apparatus based on bimodulus non-contact inductive - Google Patents
A kind of vehicle detection apparatus based on bimodulus non-contact inductive Download PDFInfo
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- CN209265698U CN209265698U CN201920191671.9U CN201920191671U CN209265698U CN 209265698 U CN209265698 U CN 209265698U CN 201920191671 U CN201920191671 U CN 201920191671U CN 209265698 U CN209265698 U CN 209265698U
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Abstract
The utility model embodiment discloses a kind of vehicle detection apparatus based on bimodulus non-contact inductive, comprising: 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 utility model embodiment 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 utility model relates to urban road parking management technical fields, more particularly to one kind to be based on the contactless sense of bimodulus
The vehicle detection apparatus answered.
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.
Utility model content
The technical problem to be solved by the embodiment of the utility model is, providing a kind of based on bimodulus non-contact inductive
Vehicle detection apparatus, so as to meet the needs of urban road parking management.
In order to solve the above-mentioned technical problem, the utility model embodiment proposes a kind of based on bimodulus non-contact inductive
Vehicle detection apparatus, comprising: whether detection parking stall has vehicles while passing/entrance geomagnetic sensor；For detecting the detection dress
Set the microwave remote sensor whether top has vehicle；The Hall sensor of the detection device is waken up by strong magnet convenient for user；With
The NB-IoT module of operator's platform connection communication；For the power supply mould group of detection device power supply；And MCU, the MCU and ground
Magnetic Sensor, microwave remote sensor, Hall sensor, NB-IoT module and power supply mould group electrical connection.
It further, further include the wireless communication module being electrically connected with MCU.
Further, the power supply mould group includes battery, voltage detection module and LDO Voltage stabilizing module, the battery and NB-
IoT module, microwave remote sensor, voltage detection module and the electrical connection of LDO Voltage stabilizing module, MCU are electrically connected with voltage detection module；
LDO Voltage stabilizing module is electrically connected with MCU, geomagnetic sensor, Hall sensor.
It further, further include the external memory module being electrically connected with MCU.
The utility model embodiment by proposing a kind of vehicle detection apparatus based on bimodulus non-contact inductive, including
MCU, geomagnetic sensor, microwave remote sensor, Hall sensor, NB-IoT module and power supply mould group, by using geomagnetic sensor,
The double detection mode of microwave remote sensor and the present apparatus is waken up by Hall sensor, with high reliability, the long life, is easy to
Installation and deployment, without manual maintenance and the characteristics of plurality of application scenes can be adapted to, and then meet urban road parking management
It needs.
Detailed description of the invention
Fig. 1 is the structural representation of the vehicle detection apparatus based on bimodulus non-contact inductive of the utility model embodiment
Figure.
Fig. 2 is that the workflow of the vehicle detection apparatus based on bimodulus non-contact inductive of the utility model embodiment is shown
It is intended to.
Fig. 3 is that the process for the vehicle checking method based on bimodulus non-contact inductive that the utility model embodiment uses is shown
It is intended to.
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, the utility model is described in further 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 in the utility model embodiment
In relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if the specific appearance
When state changes, 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 cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.
Fig. 1 is please referred to, the vehicle detection apparatus based on bimodulus non-contact inductive of the utility model embodiment includes
MCU, geomagnetic 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 utility model embodiment uses the double detection modes of geomagnetic sensor, microwave remote sensor, improves quasi-
True rate.Whether the utility model embodiment can have vehicle by microwave object detection algorithms, detection device top.
The utility model embodiment can detect whether parking stall has vehicles while passing and enter steady by GEOMAGNETIC CHANGE monitoring algorithm
State.
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 utility model embodiment uses low function
Consumption design, can periodic wakeup detect GEOMAGNETIC CHANGE, only work in vehicles while passing；Meanwhile Hall sensor makes based on bimodulus
The vehicle detection apparatus of non-contact inductive 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 shine at
Loss of data.
The utility model embodiment during installation, need to will be stopped based on the embedment of the vehicle detection apparatus of bimodulus non-contact inductive
Parking stall center guarantees that the vehicle detection apparatus upper cover based on bimodulus non-contact inductive is concordant with ground and unobstructed, then uses
Strong magnet wakes up the present apparatus (vehicle detection apparatus based on bimodulus non-contact inductive), completes to configure by handheld terminal.It is complete
At with postponing, the vehicle detection apparatus based on bimodulus non-contact inductive can normal use.Based on bimodulus non-contact inductive
Vehicle detection apparatus by geomagnetic sensors detection to vehicles while passing and enter stable state, immediately triggering microwave remote sensor detect it
Whether top has vehicle；If vehicle enters parking stall, there is vehicle above the vehicle detection apparatus based on bimodulus non-contact inductive,
Then vehicle is reported to stop into information immediately to platform；If vehicle sails out of parking stall, the vehicle detection based on bimodulus non-contact inductive
Without vehicle above device, then vehicle is reported to sail out of information immediately to platform；Other situations are periodically reported without information reporting, the present apparatus
Operating status and electricity.
The workflow of the utility model embodiment is as shown in Figure 2.
Referring to figure 3., the utility model embodiment additionally uses a kind of vehicle detection based on bimodulus non-contact inductive
Method, including step 1~step 4.The vehicle checking method based on bimodulus non-contact inductive of the utility model embodiment is answered
For in the vehicle detection apparatus based on bimodulus non-contact inductive.
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] and second dervative Φ "i；For ([Φ 'i1,Φ'i2],Φ"i), i=x, y, z, if [Φ 'i1,Φ'i2] in minimum value
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,
Vehicles while passing is detected on any 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.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and their equivalents.
Claims (4)
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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920191671.9U CN209265698U (en) | 2019-02-12 | 2019-02-12 | A kind of vehicle detection apparatus based on bimodulus non-contact inductive |
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| CN201920191671.9U CN209265698U (en) | 2019-02-12 | 2019-02-12 | A kind of vehicle detection apparatus based on bimodulus non-contact inductive |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686111A (en) * | 2019-02-12 | 2019-04-26 | 艾伯资讯（深圳）有限公司 | A kind of vehicle detection apparatus and method based on bimodulus non-contact inductive |
| CN113034929A (en) * | 2020-10-29 | 2021-06-25 | 微传智能科技（常州）有限公司 | Parking space state detection method and system |
-
2019
- 2019-02-12 CN CN201920191671.9U patent/CN209265698U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686111A (en) * | 2019-02-12 | 2019-04-26 | 艾伯资讯（深圳）有限公司 | A kind of vehicle detection apparatus and method based on bimodulus non-contact inductive |
| CN113034929A (en) * | 2020-10-29 | 2021-06-25 | 微传智能科技（常州）有限公司 | Parking space state detection method and system |
| CN113034929B (en) * | 2020-10-29 | 2022-07-22 | 微传智能科技（常州）有限公司 | Parking space state detection method and system |
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