CN109345821A - A kind of Bluetooth beacon fence control method for stopping, device, system and vehicle - Google Patents
A kind of Bluetooth beacon fence control method for stopping, device, system and vehicle Download PDFInfo
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- CN109345821A CN109345821A CN201811374355.1A CN201811374355A CN109345821A CN 109345821 A CN109345821 A CN 109345821A CN 201811374355 A CN201811374355 A CN 201811374355A CN 109345821 A CN109345821 A CN 109345821A
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- bluetooth beacon
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/20—Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles
- G08G1/207—Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles with respect to certain areas, e.g. forbidden or allowed areas with possible alerting when inside or outside boundaries
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/0042—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for hiring of objects
- G07F17/0057—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for hiring of objects for the hiring or rent of vehicles, e.g. cars, bicycles or wheelchairs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a kind of Bluetooth beacon fence control method for stopping, device, system and vehicles, this method obtains referenced strength between respective beacon by the mutual scanning phase of multiple Bluetooth beacons in parking area, and referenced strength between beacon is included in reference data and is broadcasted outward；Shutoff control unit on vehicle judges whether the vehicle is located inside parking area by the reference data and bluetooth signal intensity for detecting each Bluetooth beacon sending.The invention has the advantages that passing through the mutual scanning between Bluetooth beacon, the Random Effect that environmental factor generates the intensity of Bluetooth signal can be eliminated, so that Bluetooth signal can be used for that vehicle is precisely located, so that the parking behavior to user is effectively supervised.
Description
Technical field
The present invention relates to Internet technical fields, and in particular to a kind of Bluetooth beacon fence control method for stopping, dress
It sets, system and vehicle.
Background technique
With the development of internet technology, it is almost seen everywhere in the shared bicycle that each large and medium-sized city in the whole nation is risen,
Compared with the public bicycles of " having stake ", this " the no stake " taken and stopped at any time is shared bicycle and is brought greatly just to user
Benefit, but also lead to the phenomenon that sharing bicycle " disorderly stopping to leave about " simultaneously, it is non-especially disorderly to stop phenomenon in the subway that flow of the people is concentrated
Chang Yanchong, in addition car lane, blind way etc. " danger is parked " the phenomenon that it is also commonplace, the management of city space thus becomes
It is extremely difficult.
The phenomenon that in order to administer shared bicycle " disorderly stopping to leave about ", city management side starts in subway, bus station et al.
Stream densely delimit bicycle parking region, to guide user that shared bicycle is docked to specified region.But real implementation process
In, whether shared bicycle can dock to specified region, entirely conscious by user；In addition, even if user does not park shared bicycle
In specified region, also the user can not be punished or be alerted.Therefore, the phenomenon that sharing bicycle " disorderly stopping to leave about " is still non-
It is often universal.
Bicycle is shared for internet " no stake ", is stopped using fence technical specification user, is major at present shared
The technological means that the technical way and city city appearance manager that bicycle operator takes are recommended.Currently, realizing electricity
There are mainly two types of means for sub- fence, first is that using satellite positioning tech (such as Beidou satellite alignment system or GPS), in conjunction with electronics
Map is managed realization fence to geography information；Second is that using power down signal emitter (such as Bluetooth Low Energy
Base station), identify fence parking area.In both means, there are two the former existing main problems, i.e. satellite positioning essence
The influence of degree and ambient occlusion to satellite signal receiving, to influence positioning accuracy, usual error range reaches 10-15m, base
Originally it can not judge the left and right sides of road, let alone blind way, meadow, street crossing；A main problem is sleet existing for the latter
Equal weather are affected to wireless signal, to influence the bluetooth letter that electric locking wireless signal receiver receives signal
Number intensity causes to generate fence region decision deviation, and then influences whether rest in sentencing in parking area to bicycle
Disconnected inaccuracy, error range have also reached 5-10m, cannot achieve rectangle fence.
In an ideal case, the intensity of Bluetooth signal reduces with the increase of propagation distance, using this property, can lay
Several Bluetooth beacons position the shared bicycle with bluetooth transmission-receiving function.However bluetooth signal intensity is set by transmission
Standby, accepting device, barrier, weather, apart from isocratic factor influence.Fixed receiving device and sending device position, bluetooth letter
Number intensity still change with the variation of environmental factor.Multipath effect will lead to bluetooth of the barrier than not barrier
Signal strength wants high.In the rainy day, since humidity increases in air, the intensity of Bluetooth signal can slightly decline.Therefore, it is difficult to direct
Shared bicycle is positioned by the intensity of Bluetooth signal.
Summary of the invention
According to the deficiencies of the prior art described above, It is an object of the present invention to provide a kind of Bluetooth beacon fences to stop
Control method, device, system and vehicle.
The object of the invention realization is completed by following technical scheme:
A kind of Bluetooth beacon fence control method for stopping comprising following steps:
(1) under unlocking condition, it is strong that Bluetooth beacon is broadcasted outward in parking area reference data and Bluetooth signal are detected
Degree；Vehicle-locking signal is responded, continues to test reference data and indigo plant that Bluetooth beacon in parking area is broadcasted outward within the set time
Tooth signal strength；
Wherein, strong including being referred between respective beacon in the reference data that each Bluetooth beacon is broadcasted outward
Degree；
(2) according to testing result, referenced strength and threshold value are determined；
(3) size for comparing each bluetooth signal intensity and threshold value detected, determines the number of effective Bluetooth beacon；
(4) according to the number of effective Bluetooth beacon, judge whether vehicle is parked in the parking area, if it is determined that
As a result be it is yes, then car locking success, if it is judged that be it is no, then car locking is unsuccessful, prompt user specification stop.
A further improvement of the present invention is that being provided with multiple Bluetooth beacons in the parking area；It is each described
Bluetooth beacon scans the bluetooth signal intensity that other Bluetooth beacons are broadcasted outward every a predetermined period, and more according to scanning result
Referenced strength between new beacon, referenced strength is broadcasted from inside to outside in next predetermined period between updated beacon.
A further improvement of the present invention is that referenced strength is determined by following steps between the beacon of each Bluetooth beacon:
(1) Bluetooth signal that each Bluetooth beacon is broadcasted outward at interval of predetermined period Multiple-Scan other Bluetooth beacons
Intensity；
(2) the strongest bluetooth signal intensity that writing scan is arrived after the end of scan every time is formed most after Multiple-Scan
Strong bluetooth signal intensity set；
(3) select the median in the most strong bluetooth signal intensity set strong as referring between the beacon of the Bluetooth beacon
Degree, and broadcasted from inside to outside in next predetermined period.
A further improvement of the present invention is that during determining the referenced strength, bluetooth signal intensity is maximum
Referenced strength is as referenced strength between the beacon that Bluetooth beacon is broadcasted.
A further improvement of the present invention is that determine the process of the referenced strength the following steps are included:
(1) it will be referred between the beacon for responding the maximum Bluetooth beacon of bluetooth signal intensity detected before vehicle-locking signal strong
Degree sets referenced strength before being used as；
(2) using referenced strength between the beacon of the maximum Bluetooth beacon of the bluetooth signal intensity detected in setting time as
After set referenced strength；
(3) set after will be described referenced strength, it is described before set referenced strength or referenced strength default value as described with reference to strong
Degree.
A further improvement of the present invention is that storing the ginseng of the Bluetooth beacon detected during detection Bluetooth beacon
Examine data and bluetooth signal intensity.
A further improvement of the present invention is that before response vehicle-locking signal, the reference data for the Bluetooth beacon that will test
And bluetooth signal intensity be stored in front of set in set；Before responding vehicle-locking signal, the reference number of some Bluetooth beacon is detected
Accordingly and when bluetooth signal intensity,
If preceding set in set does not have the record of the Bluetooth beacon, and preceding set before the quantity recorded in set is less than sets number,
It is set in set before being then stored in the reference data of the Bluetooth beacon and bluetooth signal intensity；
If it is preceding set set in exist the record of the Bluetooth beacon, using the Bluetooth beacon reference data and bluetooth letter
The Bluetooth beacon in set is set before the replacement of number intensity has record；
If preceding set in set does not have the record of the Bluetooth beacon, and preceding set before the quantity recorded in set is greater than or equal to sets
Number sets the indigo plant that storage time is earliest in set before then replacing using the reference data of the Bluetooth beacon and bluetooth signal intensity
The record of tooth beacon.
A further improvement of the present invention is that in the setting time, the reference data for the Bluetooth beacon that will test
And bluetooth signal intensity be stored in after set in set；In the setting time, the reference number of some Bluetooth beacon is detected
Accordingly and when bluetooth signal intensity,
If being set in set after does not have a record of the Bluetooth beacon, and after set after the quantity recorded in set is less than and set number,
It is set in set after being then stored in the reference data of the Bluetooth beacon and bluetooth signal intensity；
If detecting the Bluetooth beacon in the setting time more than twice, the Bluetooth signal for calculating the Bluetooth beacon is strong
The average value of degree, and set is set after the average value of bluetooth signal intensity is replaced together with reference data as bluetooth signal intensity
In the Bluetooth beacon have a record；
If being set in set after does not have a record of the Bluetooth beacon, and after set after the quantity recorded in set is greater than or equal to and set
Number, and it is described after set in set that there are the records that bluetooth signal intensity is less than the Bluetooth beacon, then using the Bluetooth beacon
Reference data and bluetooth signal intensity replace it is described after set set in the smallest Bluetooth beacon of bluetooth signal intensity record.
A further improvement of the present invention is that the threshold value is calculated by the following formula acquisition:
Y=R-X
Wherein, Y is the threshold value, and R is the referenced strength, and X indicates normal intensity difference value, X≤40.
A further improvement of the present invention is that be will test is each during determining the number of effective Bluetooth beacon
The bluetooth signal intensity of Bluetooth beacon is successively compared with threshold value, if bluetooth signal intensity is more than or equal to the threshold value, is sentenced
The corresponding Bluetooth beacon of the bluetooth signal intensity of breaking is effective Bluetooth beacon；, whereas if bluetooth signal intensity is less than the threshold
Value, then judge the corresponding Bluetooth beacon of the bluetooth signal intensity for invalid Bluetooth beacon.
A further improvement of the present invention is that during judging whether vehicle is parked in the parking area, it will be effective
The number and preset standard K of Bluetooth beacon compare, if number >=K of effectively Bluetooth beacon, judges that the vehicle stops
In region, whereas if the number < K of effectively Bluetooth beacon, then judge the vehicle not in parking area, wherein K >=1.
A further improvement of the present invention is that during prompt user standardizes parking, by the lock of the vehicle or
User terminal is prompted.
The invention further relates to a kind of shutoff control units, are installed on vehicle comprising lock, bluetooth module for reading and writing, nothing
Line communication module, cue module and controller, in which:
The lock and the controller are electrically connected, for generating vehicle-locking signal, and for the control in the controller
System is lower to unlock；
The bluetooth module for reading and writing and the controller are electrically connected, and the bluetooth module for reading and writing is for detecting Bluetooth beacon
The reference data and bluetooth signal intensity broadcasted outward；
The wireless communication module and the controller are electrically connected；
The cue module and the controller are electrically connected, for making a sound under the control of the controller or can
Light-exposed prompt.
The invention further relates to a kind of Stop Control Systems comprising the shutoff control unit, cloud server, user are whole
Hold and be arranged in the Bluetooth beacon inside parking area；The cloud server is filled by wireless network and the parking toll
It sets and user terminal carries out communication connection.
The invention further relates to a kind of vehicles comprising the shutoff control unit.
It is a kind of the invention has the advantages that environmental factor can be eliminated to bluetooth by the mutual scanning between Bluetooth beacon
The Random Effect that the intensity of signal generates is tied by comprehensively considering bluetooth scanning result under switch lock status and according to scanning
Fruit, which configures reasonable normal intensity difference value X, can make Bluetooth beacon is broadcasted outward in fence Bluetooth signal to vehicle
It is precisely located, so that the parking behavior to user is effectively supervised.
Detailed description of the invention
Fig. 1 is the schematic diagram of the Stop Control System of the embodiment of the present invention；
Fig. 2 is the schematic diagram of the shutoff control unit of the embodiment of the present invention.
Symbol description:
1 shutoff control unit, 2 vehicles, 3 locks, 4 bluetooth module for reading and writing, 5 wireless communication modules,
6 cue modules, 7 controllers, 8 Bluetooth beacons, 9 parking areas, 10 cloud servers,
11 user terminals.
Specific embodiment
Feature of the invention and other correlated characteristics are described in further detail by embodiment below in conjunction with attached drawing, with
Convenient for the understanding of technical staff of the same trade:
Embodiment: as shown in Figure 1, 2, the embodiment of the present invention is related to a kind of shutoff control unit 1.Shutoff control unit 1
Installation is on car 2.Shutoff control unit 1 include lock 3, bluetooth module for reading and writing 4, wireless communication module 5, cue module 6 with
And controller 7.
Lock 3 and controller 7 are electrically connected, and lock 3 is used to generate car locking in user's car locking for lockking vehicle 2
Signal.Lock 3 can unlock under control of the controller 7.When user carries out shutting operation to lock 3, controller 7 can receive vehicle
The vehicle-locking signal that lock 3 issues, and vehicle-locking signal is responded.When user's parking ticket regulation, controller 7 can positive opening
Lock 3, to remind user to park vehicle 2 to meeting defined region.
Bluetooth module for reading and writing 4 and controller 7 are electrically connected, and bluetooth module for reading and writing 4 is used to detect the bluetooth in parking area
Reference data that beacon 8 is broadcasted outward and the bluetooth signal intensity for measuring Bluetooth beacon 8.The ginseng that bluetooth module for reading and writing 4 detects
It examines data and bluetooth signal intensity can be used for judging whether vehicle 2 is located inside parking area, to whether judge user
Correct parking.In the present embodiment, controller 7 is single-chip microcontroller.
Wireless communication module 5 and controller 7 are electrically connected；Controller 7 can pass through wireless communication module 5 and cloud server
10 are communicated.Cue module 6 is built-in with buzzer and LED light, when vehicle 2 (is parked in parking area by User Violations parking
Region except domain 9) when, controller 7 can control cue module 6 make a sound or visible light prompt.
The present embodiment further relates to a kind of Stop Control System.
As shown in Figure 1, 2, Stop Control System includes cloud server 10, user terminal 11, multiple shutoff control units 1
And multiple Bluetooth beacons 8 in parking area 9 are set.Cloud server 10 passes through wireless network and shutoff control unit 1
And user terminal 11 carries out communication connection.Shutoff control unit system can be broadcasted according to each Bluetooth beacon 8 in parking area 9
Reference data and bluetooth signal intensity determine whether vehicle 2 is parked in inside parking area 9, if user parks vehicle 2
Except parking area, Stop Control System can issue the user with prompting by shutoff control unit 1 or user terminal 11.This
In embodiment, user terminal 11 is mobile phone.
Multiple Bluetooth beacons 8 are provided in parking area 9.Each Bluetooth beacon 8 scans other indigo plants every a predetermined period
The bluetooth signal intensity that tooth beacon 8 is broadcasted outward, and referenced strength between beacon is updated according to scanning result, between updated beacon
Referenced strength is broadcasted from inside to outside in next predetermined period.
Specifically, parking area 9 is rectangle, the width of parking area 9 is 2m, and length is 4 to 10m.Each 8 edge of Bluetooth beacon
It lays the central axes of parking area 9.The distance between nearby Bluetooth beacon 8 is 1m.
In the present embodiment, each Bluetooth beacon 8 broadcasts a reference data every 500ms outward.The broadcast ginseng of Bluetooth beacon 8
Examine data time interval do not answer it is too short, to reduce the power consumption of Bluetooth beacon.Referenced strength between the beacon of each Bluetooth beacon 8
It is determined by following steps:
(1) each Bluetooth beacon 8 is believed at interval of the bluetooth that a predetermined period Multiple-Scan other Bluetooth beacons 8 are broadcasted outward
Number intensity；
(2) the strongest bluetooth signal intensity that writing scan is arrived after the end of scan every time is formed most after Multiple-Scan
Strong bluetooth signal intensity set；
(3) it is referred between the beacon for selecting the median in most strong bluetooth signal intensity set to broadcast as the Bluetooth beacon 8
Intensity, and broadcasted from inside to outside in next predetermined period.
In the present embodiment, the predetermined period of referenced strength is 10min between the update beacon of Bluetooth beacon 8, in each default week
Interim, the interval between the twice sweep of Bluetooth beacon 8 is greater than 3s.Since each Bluetooth beacon 8 is spaced a distance, so that
The reference data for other Bluetooth beacons 8 broadcast that each Bluetooth beacon 8 receives can pass through certain propagation path, carry reference number
According to Bluetooth signal can be effected by environmental factors in communication process, occur decaying or enhancing.In the peace of each Bluetooth beacon 8
Under conditions of the emissive porwer of holding position and Bluetooth signal is fixed, referenced strength can be between the beacon that each Bluetooth beacon 8 obtains
Reflect the factors such as the environmental aspect around corresponding Bluetooth beacon, such as vehicle concentration.
The reference data that each Bluetooth beacon 8 is broadcasted outward further includes the title and sequence number of the Bluetooth beacon.
The present embodiment further relates to a kind of vehicle.
As shown in Figure 1, 2, the shutoff control unit 1 being equipped on the vehicle 2 in the present embodiment.Vehicle 2 can be voluntarily
Vehicle, tricycle, electric vehicle etc..In the present embodiment, vehicle 2 is shared bicycle.
The present embodiment further relates to a kind of Bluetooth beacon fence control method for stopping.
The Bluetooth beacon fence control method for stopping of the present embodiment stops user using above-mentioned Stop Control System
Garage is the control that exercises supervision, method includes the following steps:
(1) under unlocking condition, each Bluetooth beacon that the shutoff control unit 1 on vehicle 2 detects in parking area 9 is outside
The reference data and bluetooth signal intensity of broadcast include respective beacon in the reference data that each Bluetooth beacon 8 is broadcasted outward
Between referenced strength.
In the process, shutoff control unit 1 detects the reference number that each Bluetooth beacon 8 is broadcasted using bluetooth module for reading and writing 4
According to and measure the bluetooth signal intensity of corresponding Bluetooth beacon 8.Memory, shutoff control unit 1 are provided in shutoff control unit 1
Reference data and the bluetooth signal intensity storage that can be detected are in memory.
In the present embodiment, shutoff control unit 1 will respond before vehicle-locking signal every reference data detecting and opposite
Bluetooth signal intensity is answered to set in set before memory respectively as a record storage.Before set set be in memory one
A region, since the memory space of embedded system is usually very limited, in the present embodiment, need to preceding set set in remember
The item number of record is limited.It is set before the present embodiment before the quantity recorded in set needs to be less than and sets number.
Before responding vehicle-locking signal, shutoff control unit 1 detects the reference data and bluetooth letter of some Bluetooth beacon 8
When number intensity, it is stored or is replaced using following strategy:
If (a) preceding set in set does not have the record of the Bluetooth beacon 8, and preceding set before the quantity recorded in set is less than sets number
Mesh is then set in set using the reference data of the Bluetooth beacon 8 and bluetooth signal intensity as a record storage preceding；
If (b) it is preceding set set in exist the record of the Bluetooth beacon 8, use the Bluetooth beacon 8 reference data and
The Bluetooth beacon in set is set before bluetooth signal intensity replacement has a record；
If (c) preceding set in set does not have the record of the Bluetooth beacon 8, and the preceding quantity recorded in set that sets is greater than or equal to
Before set number, then using the Bluetooth beacon 8 reference data and bluetooth signal intensity replacement before set set in storage time most
The record of early Bluetooth beacon 8.
In above-mentioned storage replacement policy, it is replaced according to record of the time order and function to Bluetooth beacon 8, it can be in time
By preceding set set in earliest detection to Bluetooth beacon 8 record reject, so that it is guaranteed that it is preceding set set in record can be real
The distribution situation of the Bluetooth beacon 8 on 2 periphery of Shi Fanying vehicle.
(2) vehicle-locking signal is responded, continues to test what the Bluetooth beacon 8 in parking area 9 was broadcasted outward within the set time
Reference data and bluetooth signal intensity.
In the present embodiment, vehicle-locking signal is generated by the lock 3 of shutoff control unit 1, when user carries out lock 3 to shut behaviour
When making, lock 3 generates vehicle-locking signal, and the controller 7 of shutoff control unit 1 starts to respond vehicle-locking signal.
After the controller 7 of shutoff control unit 1 responds vehicle-locking signal, within the set time, bluetooth module for reading and writing 4 continues to examine
Survey reference data and bluetooth signal intensity that each Bluetooth beacon 8 is broadcasted outward.In the present embodiment, setting time 5s.
Similar with before response vehicle-locking signal, after responding vehicle-locking signal, shutoff control unit 1 will detect in setting time
To every reference data and corresponding Bluetooth signal set in set in the rear of memory as a record storage.After set collection
The number of conjunction sets number after being limited to.In the setting time, the reference data and bluetooth of some Bluetooth beacon 8 are detected
When signal strength, using following storage replacement policy:
If being set in set after (a) does not have a record of the Bluetooth beacon 8, and after set after the quantity recorded in set is less than and set number
Mesh is set in set after being then stored in the reference data of the Bluetooth beacon 8 and bluetooth signal intensity；
If (b) detecting the Bluetooth beacon 8 in setting time more than twice, the Bluetooth signal of the Bluetooth beacon 8 is calculated
The average value of intensity, and collection is set after the average value of bluetooth signal intensity is replaced together with reference data as bluetooth signal intensity
The Bluetooth beacon has record in conjunction；The average value of bluetooth signal intensity for ease of calculation, in the present embodiment, after set set
In every record all comprising detection time field；
If being set in set after (c) does not have a record of the Bluetooth beacon 8, and after set the quantity recorded in set and be greater than or equal to
After set number, and it is described after set in set there are the record that bluetooth signal intensity is less than the Bluetooth beacon 8, then believed using the bluetooth
The reference data and bluetooth signal intensity of mark 8 replace it is described after set bluetooth signal intensity the smallest Bluetooth beacon 8 in set
Record.
In above-mentioned storage replacement policy, be replaced according to record of the bluetooth signal intensity to Bluetooth beacon 8, can and
When the record for preceding setting the most weak Bluetooth beacon 8 of bluetooth signal intensity in set is rejected.Due to bluetooth signal intensity with
The distance between Bluetooth beacon 8 and shutoff control unit 1 increase and weaken, the most weak record of bluetooth signal intensity is picked in time
It removes, it can be ensured that the preceding record set in set can reflect the distribution situation of the nearest Bluetooth beacon 8 of vehicle-surroundings.
(3) after setting time, shutoff control unit 1 determines referenced strength R and threshold value Y according to testing result, and
The number of effective Bluetooth beacon 8 is determined according to threshold value Y and testing result.
Specifically, the bluetooth signal intensity for detecting shutoff control unit 1 is maximum during determining referenced strength R
The reference data broadcasted of Bluetooth beacon 8 in beacon between referenced strength as referenced strength R.
However shutoff control unit 1 is likely to be at motion state before responding vehicle-locking signal, therefore responds vehicle-locking signal
The Bluetooth beacon 8 that shutoff control unit 1 detects before may not be around vehicle 2 after responding vehicle-locking signal.In order to mention
The accuracy of high detection can be used following method and determine referenced strength R:
(3.1) will join between the beacon for responding the maximum Bluetooth beacon 8 of bluetooth signal intensity detected before vehicle-locking signal
It examines before intensity is used as and sets referenced strength；The reference data and bluetooth letter of the Bluetooth beacon 8 detected before response vehicle-locking signal
Number intensity is the record set in set before being stored in；
(3.2) by referenced strength between the beacon of the maximum Bluetooth beacon 8 of the bluetooth signal intensity detected in setting time
Referenced strength is set as after；The reference data and bluetooth signal intensity of the Bluetooth beacon 8 detected in setting time are storage
In the rear record set in set；
(3.3) if after set referenced strength calculate it is without exception, will after set referenced strength as referenced strength R；If ginseng is set after
Examine Strength co-mputation occur it is abnormal, and before set referenced strength and calculate without exception, then will preceding set referenced strength as referenced strength R；If
Before set referenced strength and after set referenced strength and exception occur, then using referenced strength default value as referenced strength R.This implementation
In example, referenced strength default value is -50.Exception herein refers to that shutoff control unit 1 does not detect Bluetooth beacon or inspection
The numerical value measured exceeds the problems such as normal range (NR).
The process of threshold value Y needs the participation of cloud server 10；During threshold value Y, shutoff control unit 1
Referenced strength R is reported into cloud server 10 by wireless communication module 5, cloud server 10 calculates threshold after threshold value Y
Value Y is sent to shutoff control unit 1.Cloud server 10 is calculated by the following formula threshold value Y:
Y=R-X
Wherein, Y is the threshold value, and R is the referenced strength, and X indicates normal intensity difference value, X≤40.Normal intensity is poor
Score value X is a statistical value, between the transmission frequency, transmission power, Bluetooth beacon 2 by having comprehensively considered Bluetooth beacon 2
It counts and obtains after influence degree away from the different factors such as the concentration for positioning target 6 in, positioning accuracy, localization region, the system
Evaluation can store in cloud server, different X values be matched according to the referenced strength R that positioning target 6 determines, for calculating
Locating threshold Y.
After receiving threshold value Y, shutoff control unit 1 according to set before it set and after to set record statistics in set effectively blue
The number of tooth beacon.During the number for determining effective Bluetooth beacon, each bluetooth that shutoff control unit 1 will test is believed
The bluetooth signal intensity of mark 8 is successively compared with threshold value Y, if bluetooth signal intensity is more than or equal to threshold value Y, judges the bluetooth
The corresponding Bluetooth beacon 8 of signal strength is effective Bluetooth beacon；, whereas if bluetooth signal intensity is less than threshold value Y, then judgement should
The corresponding Bluetooth beacon 8 of bluetooth signal intensity is invalid Bluetooth beacon.
It may determine that between the corresponding vehicle 2 of shutoff control unit 1 and parking area 9 from the quantity of effective Bluetooth beacon
Positional relationship, only when vehicle 2 is located in parking area 9, the shutoff control unit 1 of the vehicle 2 can just detect multiple have
Imitate Bluetooth beacon.
(4) according to the number of effective Bluetooth beacon, judge whether vehicle 2 is parked in the parking area, if it is determined that knot
Fruit be it is yes, then car locking success, if it is judged that be it is no, then car locking is unsuccessful, prompt user specification stop.
Specifically, during judging whether vehicle is parked in the parking area, shutoff control unit 1 is by effective bluetooth
The number of beacon and preset standard K are compared, if number >=K of effectively Bluetooth beacon, judge vehicle 2 in parking area 9,
, whereas if the number < K of effectively Bluetooth beacon, then judge vehicle 2 not in parking area 9.In the present embodiment, preset standard
K is 2.
After the completion of judgement, judging result is reported to cloud server by shutoff control unit 1, if vehicle 2 is in parking area 9
Interior, then cloud server 10 stops charging., whereas if vehicle 2 is in defined parking area 9, then cloud server 10
Hint instructions are issued to shutoff control unit 1 or/and user terminal 11.After shutoff control unit 1 receives hint instructions, parking
Control device 1 flicks lock, and issues the user with acousto-optic hint signal by the cue module 6 of shutoff control unit 1, so as to
User is prompted to standardize parking.
Above embodiment of the present invention, is not intended to limit the scope of the present invention..It is any in essence of the invention
Made modification, same replacement and improvement etc., should all be included in the protection scope of the present invention within refreshing and principle.
Claims (12)
1. a kind of Bluetooth beacon fence control method for stopping comprising following steps:
(1) under unlocking condition, the reference data and bluetooth signal intensity that Bluetooth beacon is broadcasted outward in parking area are detected；It rings
Vehicle-locking signal is answered, continues to test reference data and Bluetooth signal that Bluetooth beacon in parking area is broadcasted outward within the set time
Intensity；
Wherein, including referenced strength between respective beacon in the reference data that each Bluetooth beacon is broadcasted outward；
(2) according to testing result, referenced strength and threshold value are determined；
(3) size for comparing each bluetooth signal intensity and threshold value detected, determines the number of effective Bluetooth beacon；
(4) according to the number of effective Bluetooth beacon, judge whether vehicle is parked in the parking area, if it is judged that
Be it is yes, then car locking success, if it is judged that be it is no, then car locking is unsuccessful, prompt user specification stop.
2. Bluetooth beacon fence control method for stopping according to claim 1, which is characterized in that determine the reference
During intensity, referenced strength is as referenced strength between the beacon that the maximum Bluetooth beacon of bluetooth signal intensity is broadcasted.
3. Bluetooth beacon fence control method for stopping according to claim 1, which is characterized in that
Determine the process of the referenced strength the following steps are included:
(1) referenced strength between the beacon for responding the maximum Bluetooth beacon of bluetooth signal intensity detected before vehicle-locking signal is made
Preceding to set referenced strength；
(2) referenced strength between the beacon of the maximum Bluetooth beacon of the bluetooth signal intensity detected in setting time is set as after
Referenced strength；
(3) set after will be described referenced strength, it is described before set referenced strength or referenced strength default value as the referenced strength.
4. Bluetooth beacon fence control method for stopping according to claim 3, which is characterized in that response vehicle-locking signal
Before, the reference data and bluetooth signal intensity for the Bluetooth beacon that will test are set in set before being stored in；Respond car locking letter
Before number, when detecting the reference data and bluetooth signal intensity of some Bluetooth beacon,
If preceding set in set does not have the record of the Bluetooth beacon, and preceding set before the quantity recorded in set is less than sets number, then will
The reference data and bluetooth signal intensity of the Bluetooth beacon are set in set before being stored in；
If it is preceding set set in exist the record of the Bluetooth beacon, use the Bluetooth beacon reference data and Bluetooth signal it is strong
The Bluetooth beacon in set is set before degree replacement has a record；
If preceding set in set does not have the record of the Bluetooth beacon, and preceding set before the quantity recorded in set is greater than or equal to sets number
Mesh sets the bluetooth that storage time is earliest in set before then replacing using the reference data of the Bluetooth beacon and bluetooth signal intensity
The record of beacon.
5. Bluetooth beacon fence control method for stopping according to claim 3, which is characterized in that in the setting
In, the reference data and bluetooth signal intensity for the Bluetooth beacon that will test are set in set after being stored in；In the setting
In time, when detecting the reference data and bluetooth signal intensity of some Bluetooth beacon,
If being set in set after does not have a record of the Bluetooth beacon, and after set after the quantity recorded in set is less than and set number, then will
The reference data and bluetooth signal intensity of the Bluetooth beacon are set in set after being stored in；
If detecting the Bluetooth beacon in the setting time more than twice, the bluetooth signal intensity of the Bluetooth beacon is calculated
Average value, and setting after the average value of bluetooth signal intensity is replaced together with reference data as bluetooth signal intensity should in set
Bluetooth beacon has record；
If being set in set after does not have a record of the Bluetooth beacon, and after set after the quantity recorded in set is greater than or equal to and set number
Mesh, and it is described after set set in there are bluetooth signal intensity be less than the Bluetooth beacon record, then use the Bluetooth beacon ginseng
Examine data and bluetooth signal intensity replace it is described after set the record of the smallest Bluetooth beacon of bluetooth signal intensity in set.
6. according to claim 1 to any Bluetooth beacon fence control method for stopping in 5, which is characterized in that institute
It states threshold value and is calculated by the following formula acquisition:
Y=R-X
Wherein, Y is the threshold value, and R is the referenced strength, and X indicates normal intensity difference value, X≤40.
7. Bluetooth beacon fence control method for stopping according to claim 1, which is characterized in that determine effective bluetooth
During the number of beacon, the bluetooth signal intensity for each Bluetooth beacon that will test successively is compared with threshold value, if
Bluetooth signal intensity is more than or equal to the threshold value, then judges that the corresponding Bluetooth beacon of the bluetooth signal intensity is believed for effective bluetooth
Mark；, whereas if bluetooth signal intensity is less than the threshold value, then judge that the corresponding Bluetooth beacon of the bluetooth signal intensity is invalid
Bluetooth beacon.
8. Bluetooth beacon fence control method for stopping according to claim 1 or claim 7, which is characterized in that judge vehicle
During whether being parked in the parking area, the number of effective Bluetooth beacon and preset standard K are compared, if effectively blue
Number >=K of tooth beacon, then judge the vehicle in parking area, whereas if effectively Bluetooth beacon number < K, then
Judge the vehicle not in parking area, wherein K >=1.
9. Bluetooth beacon fence control method for stopping according to claim 1, which is characterized in that prompt user's specification
During parking, prompted by the lock or user terminal of the vehicle.
10. a kind of shutoff control unit, is installed on vehicle, which is characterized in that including lock, bluetooth module for reading and writing, channel radio
Interrogate module and controller, in which:
The lock and the controller are electrically connected, for generating vehicle-locking signal, and under the control of the controller
It unlocks；
The bluetooth module for reading and writing and the controller are electrically connected, and the bluetooth module for reading and writing is outside for detecting Bluetooth beacon
The reference data and bluetooth signal intensity of broadcast；
The wireless communication module and the controller are electrically connected.
11. a kind of be related to the Stop Control System of shutoff control unit described in any one of claim 10, it is characterised in that including described
Shutoff control unit, cloud server, user terminal and the Bluetooth beacon being arranged in inside parking area；The cloud service
Device carries out communication connection by wireless network and the shutoff control unit and user terminal.
12. a kind of vehicle, which is characterized in that including shutoff control unit as claimed in claim 10.
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