CN107085969A - A kind of the VMS distant warning devices and method of unit degree of parking saturation detection of stopping - Google Patents

A kind of the VMS distant warning devices and method of unit degree of parking saturation detection of stopping Download PDF

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Publication number
CN107085969A
CN107085969A CN201710384692.8A CN201710384692A CN107085969A CN 107085969 A CN107085969 A CN 107085969A CN 201710384692 A CN201710384692 A CN 201710384692A CN 107085969 A CN107085969 A CN 107085969A
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parking
unit
vms
saturation
degree
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CN107085969B (en
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温惠英
朱殿臣
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South China University of Technology SCUT
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South China University of Technology SCUT
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    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/14Traffic control systems for road vehicles indicating individual free spaces in parking areas
    • G08G1/141Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces
    • G08G1/142Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces external to the vehicles
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/042Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/065Traffic control systems for road vehicles by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)

Abstract

The invention discloses a kind of VMS distant warning devices for unit degree of parking saturation detection of stopping, including:Data acquisition module, is respectively provided at the entry and exit of parking unit, for detecting current vehicles passing in and out number and sending to message processing module;Message processing module, draws the parking stall saturated conditions of current state for the maximum parking space number according to parking unit and current vehicles passing in and out number progress processing and sends to the variable display modules of VMS;The variable display modules of VMS, are located at the entrance of the parking unit, the parking stall saturation parking stall situation for showing current state.The invention also discloses a kind of VMS forecasting methods for unit degree of parking saturation detection of stopping.The present invention is simple and reliable for structure, the parking stall vacancy number of inner part of parking lot is judged by importing and exporting the difference of vehicle number, and notice prompting is given by different colours and picture and text at import, strong interference immunity, data transfer are stable, accurate in real time, provide good prior information for the parking of passenger.

Description

A kind of the VMS distant warning devices and method of unit degree of parking saturation detection of stopping
Technical field
It is more particularly to a kind of based on singlechip technology the present invention relates to the detection of the degree of parking saturation in parking lot and feedback Ground induction coil is counted and the parking unit degree of parking saturation based on VMS systems is detected VMS distant warning devices and method.
Background technology
With the sharp increase of car quantity, the planning in most of prosperity city or old town shows prediction Property not enough situation --- passenger flow gathering area such as downtown, the parking stalls of large-scale tourist attractions supplies wretched insufficiency, and Under conditions of parking resource in short supply, how efficiently to search out suitable parking stall and be just particularly important.
At present large-scale market underground parking and large-scale garden parking lot parking stall it is more, but in visitor When flowing peak, passenger usually can will enter parking lot because of the available situation for not knowing about parking stall and find parking stall, but often The parking stall for being taken into one very big parking lot and not finding vacancy but for a long time, this experience meeting gone on a journey to it occurs Produce very poor influence.
Therefore, the present invention utilizes a very easily counting mode, judges to stop by importing and exporting the difference of vehicle number Parking stall vacancy number inside parking lot, and notice prompting is given at import, provide good priori letter for the parking of passenger Breath.
The content of the invention
For above-mentioned technical problem, the present invention is intended to provide a kind of judge parking lot by importing and exporting the difference of vehicle number Internal parking stall vacancy number, and give at import the VMS advance notice dresses of the parking unit degree of parking saturation detection of notice prompting Put and method, good prior information is provided for the parking of passenger.
The present invention adopts the following technical scheme that realization:
A kind of VMS distant warning devices for unit degree of parking saturation detection of stopping, including:
Data acquisition module, is respectively provided at the entry and exit of parking unit, for detecting current vehicles passing in and out number and sending to information Processing module;
Message processing module, draws and works as the maximum parking space number according to parking unit and current vehicles passing in and out number progress processing The parking stall saturated conditions of preceding state is simultaneously sent to the variable display modules of VMS;
The variable display modules of VMS, are located at the entrance in the parking unit, the parking stall saturation parking stall for showing current state Situation.
Further, described data acquisition module is separately positioned on parking unit including wireless transport module, two The ground sensing coil vehicle detector of entry and exit, the ground sensing coil vehicle detector is used for the car for detecting inlet and outlet direction Number;The wireless transport module is used to the vehicle number detected being wirelessly transmitted to message processing module.
Further, described ground sensing coil vehicle detector uses XZ-110 ground induction coils, and reflecting time is 100 millis Second, rated power is 4.5W, and sensitivity level Four is adjustable, output relay 240W/5A AC, winding inductance quantity 100uh, work temperature Spend for -20 DEG C to+65 DEG C, -40 DEG C to 65 DEG C of storage temperature, working frequency 20KHz to 170KHz, coil connecting line is most long by 20 Rice, every meter of at least multiple twin 20 times.
Further, described message processing module uses TMS320C6748 message handlers, and the information after processing passes through GPRS network is sent.
Further, the variable display modules of described VMS include light-emitting diode display, wireless receiving module, the wireless receiving Module receives the information of described message processing module, and drives light-emitting diode display to show corresponding information.
Further, in addition to by circuit the solar panels and power supply module of the light-emitting diode display are connected.
Further, described wireless receiving module is GPRS wireless controlled fabrications.
A kind of VMS forecasting methods based on described device, including step:
Step 1, parking area is divided into different parking units, the parking unit is that a gateway or twoport are open 's(One import one outlet), and the degree of parking saturation detection of parking unit is set in each parking unit relevant position VMS distant warning devices;
Step 2, the respectively current vehicles passing in and out number of the entry and exit of detection parking unit are simultaneously sent to message processing module;
Step 3, current state parking unit is obtained according to the maximum parking space number and current vehicles passing in and out number of parking unit stopped Car saturation degree, and contrasted with saturation gradation standard reference value set in advance, and then draw the parking stall of current state Saturated conditions;
Step 4, shown according to the parking stall saturated conditions of the current state of reception corresponding saturation gradation prompt message and Parking stall situation.
Further, in step 3, the maximum parking space number and current vehicles passing in and out number according to parking unit is worked as The step of degree of parking saturation of preceding state parking unit, specifically includes:
Step 21, calculate to theiRemaining parking number is in moment parking unitΔQ=Q i1 Q i2 , whereinQ i1 ForiMoment is detected That arrives enters the vehicle number of parking unit,Q i2 The vehicle number for leaving parking unit detected for the i-th moment;
Step 22, calculate theiThe ratio on parking number and total parking stall, i.e. degree of parking saturation in moment parking unitP=ΔQ/C j , WhereinC j ForjThe maximum parking space number of individual parking unit;
Step 23, calculate theiVacancy parking number in moment parking unit:Ci= Cj—ΔQ
Further, it is described to be contrasted with saturation gradation standard reference value set in advance in step 3, and then The step of parking stall saturated conditions for going out current state, specifically includes:
IfP<0.4, represent that the degree of parking saturation of current state parking unit is relatively low, then the light-emitting diode display of the variable display modules of VMS Display green, and by the vacancy parking stall quantity at the momentCiShow;
If 0.4<P<0.7, represent that the degree of parking saturation of current state parking unit is general, then the LED of the variable display modules of VMS shows Show that device shows yellow, and by the vacancy parking stall quantity at the momentCiShow;
If P>0.7, represent that the degree of parking saturation of current state parking unit is higher, then the light-emitting diode display of the variable display modules of VMS Display is red, now due to it is not recommended that therefore the parking unit that passenger enters red area does not show vacancy parking stall quantity.
Compared with prior art, the present invention is simple and reliable for structure, is judged by importing and exporting the difference of vehicle number in parking lot The parking stall vacancy number in portion, and give notice prompting, strong interference immunity, data transfer by different colours and picture and text at import It is stable, real-time accurately, for the parking of passenger to provide good prior information.
Brief description of the drawings
The module frame figure for the VMS distant warning devices that accompanying drawing 1 detects for the parking unit degree of parking saturation of embodiment one.
Accompanying drawing 2 is the variable display module schematic diagrames of VMS of embodiment one(The situation for pointing out saturation degree general).
Embodiment
The goal of the invention of the present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, embodiment is not It can repeat one by one herein, but therefore embodiments of the present invention are not defined in following examples.
Embodiment one
As depicted in figs. 1 and 2, a kind of VMS distant warning devices for unit degree of parking saturation detection of stopping, including:
Data acquisition module, is respectively provided at the entry and exit of parking unit, for detecting current vehicles passing in and out number and sending to information Processing module;
Message processing module, draws and works as the maximum parking space number according to parking unit and current vehicles passing in and out number progress processing The parking stall saturated conditions of preceding state is simultaneously sent to the variable display modules of VMS;
The variable display modules of VMS, are located at the entrance in the parking unit, the parking stall saturation parking stall for showing current state Situation.
Specifically, described data acquisition module is separately positioned on parking unit including wireless transport module, two The ground sensing coil vehicle detector of entry and exit, the ground sensing coil vehicle detector is used for the car for detecting inlet and outlet direction Number, is arranged on both sides if only one mouth, is gathered respectively according to the direct of travel of vehicle;The wireless transport module is used for The vehicle number detected is wirelessly transmitted to message processing module.
In the present embodiment, described ground sensing coil vehicle detector uses XZ-110 ground induction coils, and operating voltage is 230C AC, 115V AC, 24V DC/AC plurality of optional, reflecting time are 100 milliseconds, and rated power is 4.5W, and sensitivity level Four is adjustable, Output relay 240W/5A AC, winding inductance quantity 100uh, operating temperature is -20 DEG C to+65 DEG C, -40 DEG C to 65 of storage temperature DEG C, working frequency 20KHz to 170KHz, coil connecting line is most long 20 meters, every meter of at least multiple twin 20 times.
In the present embodiment, described message processing module uses TMS320C6748 message handlers, and the information after processing is led to GPRS network is crossed to send.TMS320C6748 message handlers are that Texas Instrument is released at the brand-new high-performance of floating-point function Device is managed, is industry floating-point signal processor least in power-consuming (DSP), high energy efficiency, connective design can be fully met to height The demand of integrated level peripheral hardware, dissipation more low in calories and longer battery.With RS232 serial ports and USB interface, support SPI, iic bus etc., obtain cmos sensor data, are sent after processing by GPRS network.
In the present embodiment, the variable display modules of described VMS include light-emitting diode display, wireless receiving module, in addition to pass through Circuit connects the solar panels and power supply module of the light-emitting diode display, and the wireless receiving module receives described information processing The information of module, and drive light-emitting diode display to show corresponding information.Described wireless receiving module is GPRS wireless controlled fabrications.Too Positive energy plate converts light energy into power storage into power supply module, and power supply module is powered to light-emitting diode display, wireless receiving module.
When the import and export in vehicles while passing parking lot, the ground sensing coil vehicle detector meter of meeting trigger data acquisition module Number, is respectively into car number Q1With go out car number Q2, then the data message processing module, information will be passed to by wireless transport module Data progress of the processing module to front end delivery, which is handled, obtains current degree of parking saturation P, by current degree of parking saturation P and setting Each grade degree of parking saturation reference value contrast, corresponding grade reference value is transferred to the variable display modules of VMS, when VMS can Become after the saturation infromation that display module receives message processing module transmission, light-emitting diode display will be according to the saturation degree of reception Presentation of information goes out corresponding saturation gradation prompt message and remaining parking space number.
Embodiment two
A kind of VMS forecasting methods based on described device, including step:
Step 1, parking area is divided into different parking units, the parking unit is that a gateway or twoport are open 's(One import one outlet), and the degree of parking saturation detection of parking unit is set in each parking unit relevant position VMS distant warning devices;
Step 2, the respectively current vehicles passing in and out number of the entry and exit of detection parking unit are simultaneously sent to message processing module;
Step 3, current state parking unit is obtained according to the maximum parking space number and current vehicles passing in and out number of parking unit stopped Car saturation degree, and contrasted with saturation gradation standard reference value set in advance, and then draw the parking stall of current state Saturated conditions;
Step 4, shown according to the parking stall saturated conditions of the current state of reception corresponding saturation gradation prompt message and Parking stall situation.
Specifically, in step 3, the maximum parking space number and current vehicles passing in and out number according to parking unit is worked as The step of degree of parking saturation of preceding state parking unit, specifically includes:
Step 21, calculate to theiRemaining parking number is in moment parking unitΔQ=Q i1 Q i2 , whereinQ i1 ForiMoment is detected That arrives enters the vehicle number of parking unit,Q i2 The vehicle number for leaving parking unit detected for the i-th moment;
Step 22, calculate theiThe ratio on parking number and total parking stall, i.e. degree of parking saturation in moment parking unitP=ΔQ/C j , WhereinC j ForjThe maximum parking space number of individual parking unit;
Step 23, calculate theiVacancy parking number in moment parking unit:Ci= Cj—ΔQ
Specifically, it is described to be contrasted with saturation gradation standard reference value set in advance in step 3, and then The step of parking stall saturated conditions for going out current state, specifically includes:
IfP<0.4, represent that the degree of parking saturation of current state parking unit is relatively low, then the light-emitting diode display of the variable display modules of VMS Display green, and by the vacancy parking stall quantity at the momentCiShow;
If 0.4<P<0.7, represent that the degree of parking saturation of current state parking unit is general, then the LED of the variable display modules of VMS shows Show that device shows yellow, and by the vacancy parking stall quantity at the momentCiShow;
If P>0.7, represent that the degree of parking saturation of current state parking unit is higher, then the light-emitting diode display of the variable display modules of VMS Display is red, now due to it is not recommended that therefore the parking unit that passenger enters red area does not show vacancy parking stall quantity.
The present embodiment carries out mathematic interpolation to the discrepancy vehicle number of parking area monitored, and by the difference and parking stall The reference value of degree of parking saturation of the ratio of sum with setting is contrasted, and then draws the degree of parking saturation of current parking area Situation, by the way that color and picture and text show the vacant situation in the parking stall of the parking area, Ke Yiwei in advance simultaneously in parking porch Passenger in need provides good schedule information, and then reduction is even avoided and consumed to find suitable parking area Over head time.
The above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not to the present invention Embodiment restriction.For those of ordinary skill in the field, it can also make on the basis of the above description Other various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.It is all the present invention Any modifications, equivalent substitutions and improvements made within spirit and principle etc., should be included in the protection of the claims in the present invention Within the scope of.

Claims (10)

1. a kind of VMS distant warning devices for unit degree of parking saturation detection of stopping, it is characterised in that including:
Data acquisition module, is respectively provided at the entry and exit of parking unit, for detecting current vehicles passing in and out number and sending to information Processing module;
Message processing module, draws and works as the maximum parking space number according to parking unit and current vehicles passing in and out number progress processing The parking stall saturated conditions of preceding state is simultaneously sent to the variable display modules of VMS;
The variable display modules of VMS, are located at the entrance in the parking unit, the parking stall saturation parking stall for showing current state Situation.
2. a kind of VMS distant warning devices of unit degree of parking saturation detection of stopping according to claim 1, it is characterised in that Described data acquisition module is separately positioned on the ground induction coil of the entry and exit of parking unit including wireless transport module, two Wagon detector, the ground sensing coil vehicle detector is used for the vehicle number for detecting inlet and outlet direction;It is described to be wirelessly transferred Module is used to the vehicle number detected being wirelessly transmitted to message processing module.
3. a kind of VMS distant warning devices of unit degree of parking saturation detection of stopping according to claim 1, it is characterised in that Described ground sensing coil vehicle detector uses XZ-110 ground induction coils, and reflecting time is 100 milliseconds, and rated power is 4.5W, Sensitivity level Four is adjustable, output relay 240W/5A AC, and winding inductance quantity 100uh, operating temperature is -20 DEG C to+65 DEG C, is deposited - 40 DEG C to 65 DEG C of storing temperature, working frequency 20KHz to 170KHz, coil connecting line is most long 20 meters, every meter of at least multiple twin 20 times.
4. a kind of VMS distant warning devices of unit degree of parking saturation detection of stopping according to claim 1, it is characterised in that Described message processing module uses TMS320C6748 message handlers, and the information after processing is sent by GPRS network.
5. a kind of VMS distant warning devices of unit degree of parking saturation detection of stopping according to claim 1, it is characterised in that The variable display modules of described VMS include light-emitting diode display, wireless receiving module, and the wireless receiving module receives described letter The information of processing module is ceased, and drives light-emitting diode display to show corresponding information.
6. a kind of VMS distant warning devices of unit degree of parking saturation detection of stopping according to claim 1, it is characterised in that Also include the solar panels and power supply module that the light-emitting diode display is connected by circuit.
7. a kind of VMS distant warning devices of unit degree of parking saturation detection of stopping according to claim 1, it is characterised in that Described wireless receiving module is GPRS wireless controlled fabrications.
8. a kind of VMS forecasting methods based on device any one of claim 1 to 7, it is characterised in that including step:
Step 1, parking area is divided into different parking units, the parking unit is that a gateway or twoport are open , and the VMS distant warning devices of parking unit degree of parking saturation detection are set in each parking unit relevant position;
Step 2, the respectively current vehicles passing in and out number of the entry and exit of detection parking unit are simultaneously sent to message processing module;
Step 3, current state parking unit is obtained according to the maximum parking space number and current vehicles passing in and out number of parking unit stopped Car saturation degree, and contrasted with saturation gradation standard reference value set in advance, and then draw the parking stall of current state Saturated conditions;
Step 4, shown according to the parking stall saturated conditions of the current state of reception corresponding saturation gradation prompt message and Parking stall situation.
9. VMS forecasting methods according to claim 1, it is characterised in that in step 2, it is described according to parking unit most The step of big parking space number and current vehicles passing in and out number obtain the degree of parking saturation of current state parking unit specifically includes:
Step 21, calculate to theiRemaining parking number is in moment parking unitΔQ=Q i1 Q i2 , whereinQ i1 ForiMoment is detected That arrives enters the vehicle number of parking unit,Q i2 The vehicle number for leaving parking unit detected for the i-th moment;
Step 22, calculate theiThe ratio on parking number and total parking stall, i.e. degree of parking saturation in moment parking unitP=ΔQ/C j , its InC j ForjThe maximum parking space number of individual parking unit;
Step 23, calculate theiVacancy parking number in moment parking unit:Ci= Cj—ΔQ
10. VMS forecasting methods according to claim 9, it is characterised in that in step 2, described and saturation set in advance The step of spending classification standard reference value to be contrasted, and then draw the parking stall saturated conditions of current state specifically includes:
IfP<0.4, represent that the degree of parking saturation of current state parking unit is relatively low, then the light-emitting diode display of the variable display modules of VMS Display green, and by the vacancy parking stall quantity at the momentCiShow;
If 0.4<P<0.7, represent that the degree of parking saturation of current state parking unit is general, then the LED of the variable display modules of VMS shows Show that device shows yellow, and by the vacancy parking stall quantity at the momentCiShow;
If P>0.7, represent that the degree of parking saturation of current state parking unit is higher, then the light-emitting diode display of the variable display modules of VMS Display is red, now due to it is not recommended that therefore the parking unit that passenger enters red area does not show vacancy parking stall quantity.
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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN108172013A (en) * 2017-12-29 2018-06-15 中兴智能交通股份有限公司 The parking stall method for early warning and device of a kind of intelligent parking lot
CN108806322A (en) * 2018-07-31 2018-11-13 西安艾润物联网技术服务有限责任公司 parking lot management method, system and storage medium
CN112129310A (en) * 2019-06-25 2020-12-25 上海擎感智能科技有限公司 Map display method and device

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