CN108877240A - Bluetooth velocity-measuring system and bluetooth speed-measuring method - Google Patents
Bluetooth velocity-measuring system and bluetooth speed-measuring method Download PDFInfo
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- CN108877240A CN108877240A CN201810600548.8A CN201810600548A CN108877240A CN 108877240 A CN108877240 A CN 108877240A CN 201810600548 A CN201810600548 A CN 201810600548A CN 108877240 A CN108877240 A CN 108877240A
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- bluetooth
- mobile carrier
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- communication data
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
- G08G1/054—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed photographing overspeeding vehicles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
-
- 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
- H04W4/025—Services making use of location information using location based information parameters
- H04W4/027—Services making use of location information using location based information parameters using movement velocity, acceleration information
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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
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
-
- 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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- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a kind of bluetooth velocity-measuring systems and method, system to include：At least two are separated by the bluetooth scanning means of pre-determined distance, the bluetooth transmitters being set on mobile carrier, server, and bluetooth transmitters issue wireless communication data packet every preset time in mobile carrier driving process；Each bluetooth scanning means is scanned the wireless communication data packet that bluetooth transmitters issue, and obtain the change in signal strength situation of wireless communication data packet, and current time is recorded when the signal strength of wireless communication data packet reaches preset strength, and the identification information of the current time of record and mobile carrier is sent to server；The identification information for current time, pre-determined distance and the mobile carrier that server is recorded according to two neighboring bluetooth scanning means obtains the speed of the mobile carrier of current driving, to realize fast accurate speed measuring function based on blue-tooth technology, it can not only realize that whole process tests the speed, also without too many cost.
Description
Technical field
The present invention relates to velocity measuring technique field, in particular to a kind of bluetooth velocity-measuring system and a kind of bluetooth speed-measuring method.
Background technique
Existing high way super speed detection mode is mostly to be arranged 50 meters or 100 in a certain fixed location both at home and abroad at present
The detection band of rice, is tested the speed using velocity radar, and not only cost is very high for this overspeed detection mode, in the selection of location
There is certain limitation.There are also charge station's sluice gate records that a kind of more commonly used highway speed testing mode is in highway
Certain motor vehicle calculates its average speed in the time of certain section of running on expressway, judges whether it exceeds the speed limit, this detection side
Formula obviously also has its limitation, can not achieve whole detection, once a certain section in this section of highway of motor vehicle have it is super
Fast behavior, this detection mode can not be detected.
In addition, also having using ETC (Electronic Toll Collection, electronic charging) or RFID (Radio
Frequency Identification, radio frequency identification) mode carry out the calculating of speed, but use the side of RFID
It needs that RFID tag is installed on the vehicle run at high speed when formula, and the door frame that RFID reader then needs to be installed on road,
Since read access time can generally can exceed that 0.1 second, it is therefore desirable to the distance of multiple door frames be arranged, could more precisely calculate its area
Between average speed, equally can not a certain section of detecting vehicle have hypervelocity behavior.Similarly, urban road is in school, hospital, four crossway
Also there is Maximum speed limit requirement in the sections such as mouth, and are configured with corresponding vehicle speed detector device, and most common method is using survey
Fast radar simultaneously combines the mode taken pictures to grab over-speed vehicles, and this speed testing mode needs on each signal lamp for being detected section
Radar velocity measurement camera is installed, cost is very high, and must be fixedly mounted.
Therefore, it is necessary to improve to road velocity measuring technique.
Summary of the invention
The present invention is directed at least solve one of the technical problem in above-mentioned technology to a certain extent.For this purpose, of the invention
One purpose is to propose a kind of bluetooth velocity-measuring system, realizes fast accurate speed measuring function based on blue-tooth technology, can not only
It is enough to realize that whole process tests the speed, also without too many cost.
Second object of the present invention is to propose a kind of bluetooth speed-measuring method.
In order to achieve the above objectives, a kind of bluetooth velocity-measuring system that first aspect present invention embodiment proposes, including：At least two
A bluetooth scanning means for being separated by pre-determined distance, the bluetooth transmitters being set on mobile carrier, server, the bluetooth scanning
Communicated between device and the server, wherein the bluetooth transmitters in the mobile carrier driving process every
Preset time issues wireless communication data packet, wherein the wireless communication data packet includes the identification information of the mobile carrier；
Each bluetooth scanning means is scanned the wireless communication data packet that the bluetooth transmitters issue, and obtains the nothing
The change in signal strength situation of line communication data packets, and reach preset strength in the signal strength of the wireless communication data packet
Shi Jilu current time, and the identification information of the current time of record and the mobile carrier is sent to the server；Institute
Server is stated according to the current time of the two neighboring bluetooth scanning means record, the pre-determined distance and the mobile load
The identification information of tool obtains the speed of the mobile carrier of current driving.
Bluetooth velocity-measuring system according to an embodiment of the present invention, by bluetooth transmitters in mobile carrier driving process every
Preset time issues wireless communication data packet, and the wireless communication data issued by each bluetooth scanning means to bluetooth transmitters
It is scanned according to packet, then obtains the change in signal strength situation of wireless communication data packet, and in wireless communication data packet
Signal strength records current time when reaching preset strength such as preset maximum intensity, and by the current time of record and wirelessly
The identification information of mobile carrier in communication data packets is sent to server, and such server is scanned according to two neighboring bluetooth and filled
Set the current time of record, pre-determined distance and mobile carrier identification information obtain current driving mobile carrier speed,
It tests the speed so as to accurately realize to each mobile carrier, is not only not necessarily to too many cost, moreover it is possible to realize that road is whole precisely
It tests the speed.
In addition, the bluetooth velocity-measuring system proposed according to that above embodiment of the present invention can also have following additional technology special
Sign：
Optionally, in one embodiment of the invention, the bluetooth scanning means include bluetooth scanner, router and
Gateway, wherein the identification information of the current time of record and the mobile carrier is passed through the routing by the bluetooth scanner
Device and the gateway are sent to the server.
Optionally, in one embodiment of the invention, the router is selected from Ethernet, WIFI and LPWA (Low
Power WideArea, low-power wide area network) in any one, the gateway in WIFI, 2G, 3G, 4G and 5G appoint
It anticipates one kind.
Optionally, in one embodiment of the invention, the bluetooth scanning means further includes GPS communication module, described
Bluetooth scanning means receives the time signal of GPS so that the two neighboring bluetooth scanning means by the GPS communication module
System time keep synchronize.
Optionally, in one embodiment of the invention, the mobile carrier is vehicle, the bluetooth scanning means setting
On road roadside or door frame across road.
Optionally, in one embodiment of the invention, the bluetooth scanning means uses oriented antenna, the direction
Property antenna towards direction to the car be arranged.
Optionally, in one embodiment of the invention, the electronic license plate of the bluetooth transmitters and the vehicle is integrated
It is arranged to form Bluetooth electronic license plate.
Optionally, in one embodiment of the invention, the Bluetooth electronic license plate is also set with the corresponding vehicle tire
The radio tire pressure tire temperature device set is communicated, to receive the tire pressure and tire temperature information of the tire.
Optionally, in one embodiment of the invention, the server is sentenced also according to the speed of the vehicle of current driving
Whether the vehicle of disconnected current driving exceeds the speed limit, and the tire pressure and tire temperature letter of the tire are received by the bluetooth scanning means
Breath, and according to the tire pressure of the tire and the tire condition of tire temperature information monitoring current vehicle.
In order to achieve the above objectives, a kind of bluetooth speed-measuring method that second aspect of the present invention embodiment proposes, including following step
Suddenly：Nothing is issued every preset time in the mobile carrier driving process by the bluetooth transmitters being set on mobile carrier
Line communication data packets, wherein the wireless communication data packet includes the identification information of the mobile carrier；It is swept by each bluetooth
Imaging apparatus is scanned the wireless communication data packet that the bluetooth transmitters issue, and obtains the wireless communication data packet
Change in signal strength situation, and when recording current when the signal strength of the wireless communication data packet reaches preset strength
Between, wherein the bluetooth scanning means at least two, and it is separated by pre-determined distance setting；It is swept according to the two neighboring bluetooth
The identification information of current time, the pre-determined distance and the mobile carrier that imaging apparatus records obtains the movement of current driving
The speed of carrier.
Bluetooth speed-measuring method according to an embodiment of the present invention, by bluetooth transmitters in mobile carrier driving process every
Preset time issues wireless communication data packet, and the wireless communication data issued by each bluetooth scanning means to bluetooth transmitters
It is scanned according to packet, then obtains the change in signal strength situation of wireless communication data packet, and in wireless communication data packet
Signal strength records current time when reaching preset strength such as preset maximum intensity, is finally scanned according to two neighboring bluetooth
Current time, the speed of the mobile carrier of the identification information acquisition current driving of pre-determined distance and mobile carrier of device record
Degree, tests the speed to each mobile carrier so as to accurately realize, is not only not necessarily to too many cost, moreover it is possible to realize the whole essence of road
Standard tests the speed.
Detailed description of the invention
Fig. 1 is the block diagram according to the bluetooth velocity-measuring system of the embodiment of the present invention；
Fig. 2 is the schematic diagram according to the Bluetooth test system of one embodiment of the invention；
Fig. 3 is that the schematic diagram by road is arranged according to the bluetooth scanner of one embodiment of the invention；
Fig. 4 is the schematic diagram that the door frame on road is arranged according to the bluetooth scanner of one embodiment of the invention；
Fig. 5 is the flow chart according to the bluetooth speed-measuring method of the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The bluetooth velocity-measuring system of the embodiment of the present invention include at least two be separated by pre-determined distance bluetooth scanning means, setting
In the bluetooth transmitters on mobile carrier, server, wherein it is communicated between bluetooth scanning means and server, it is logical in this way
It crosses bluetooth transmitters and issues wireless communication data packet every preset time in mobile carrier driving process, and pass through each bluetooth
Scanning means is scanned the wireless communication data packet that bluetooth transmitters issue, and then obtains the signal of wireless communication data packet
Strength Changes situation, and the note when the signal strength of wireless communication data packet reaches preset strength such as preset maximum intensity
Current time is recorded, and the identification information of the mobile carrier in the current time of record and wireless communication data packet is sent to service
Device, thus the mark of current time, pre-determined distance and mobile carrier that server is recorded according to two neighboring bluetooth scanning means
Know acquisition of information current driving mobile carrier speed, can accurately realize and test the speed to each mobile carrier, not only without
Need too many cost, moreover it is possible to realize that road is whole and precisely test the speed.
In order to better understand the above technical scheme, the exemplary reality that the present invention will be described in more detail below with reference to accompanying drawings
Apply example.Although showing exemplary embodiment of the present invention in attached drawing, it being understood, however, that may be realized in various forms this hair
It is bright and should not be limited by the embodiments set forth herein.It is to be able to thoroughly understand this on the contrary, providing these embodiments
Invention, and the scope of the present invention can be fully disclosed to those skilled in the art.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Fig. 1 is the block diagram according to the bluetooth velocity-measuring system of the embodiment of the present invention.As shown in Figure 1, the bluetooth tests the speed
System includes at least two being separated by the bluetooth scanning means 10 of pre-determined distance, the bluetooth transmitters being set on mobile carrier 100
20, server 30 are communicated between bluetooth scanning means 10 and server 30.……
Wherein, bluetooth transmitters 20 issue in 100 driving process of mobile carrier every preset time such as 20ms wireless
Communication data packets.It is understood that wireless communication data packet may include the identification information of mobile carrier.Each bluetooth scanning dress
The wireless communication data packet for setting the sending of 10 pairs of bluetooth transmitters 20 is scanned, and obtains the signal strength of wireless communication data packet
Situation of change, and current time is recorded when the signal strength of wireless communication data packet reaches preset strength, and by record
The identification information of current time and mobile carrier is sent to server 30.Server 30 is according to two neighboring bluetooth scanning means 10
Current time, the speed of the mobile carrier of the identification information acquisition current driving of pre-determined distance and mobile carrier of record.
As an example, as shown in Fig. 2, bluetooth scanning means 10 includes bluetooth scanner 101, router 102 and net
Close 103, wherein the identification information of the current time of record and mobile carrier is passed through router 102 and net by bluetooth scanner 101
It closes 103 and is sent to server 30.
That is, in mobile carrier driving process, bluetooth transmitters 20 every 20ms issue a broadcasting packages (i.e. without
Line communication data packets), oriented antenna can be used in bluetooth scanner 101, is scanned to broadcasting packages, and by obtaining broadcast
The power of package signal come obtain broadcasting packages RSSI (Received Signal Strength Indicator, receive letter
Number volume indicator) situation of change, and after the situation of change for obtaining broadcasting packages RSSI, gradually mentioned with close to distance
Height, distance near when, RSSI is most strong, later rapid decrease again, so that RSSI is reached the hair when the preset strength such as peak value
The raw time is noted down, and is then uploaded to server 30 by router/gateway, and server 30 calculates same mark letter
The time required to ceasing the mobile carrier of for example same license plate by two nearby Bluetooth scanners, then by two nearby Bluetooth scanners
The mobile carrier of same license plate that is calculated divided by server of standoff distance taken by two nearby Bluetooth scanners
Between, the average speed of the mobile carrier can be obtained.
Wherein, bluetooth transmitters include 4.0 or more bluetooth module and to bluetooth transmitters power battery module,
Such as battery module may include solar battery or dye-sensitized cell etc., and alternating current can also be used to provide power supply certainly.
As an example, bluetooth scanner is connected with router, gateway in a wired manner.
According to one embodiment of present invention, blue as shown in Fig. 2, bluetooth scanning means 10 further includes GPS communication module 14
Tooth scanning means 10 by GPS communication module 14 receive GPS time signal so that two neighboring bluetooth scanning means system
Time keeps synchronizing.
In other words, when the mobile carrier of same license plate passes through two nearby Bluetooth scanning means, two nearby Bluetooth scanning dresses
The system time set will keep synchronous, can receive the time signal of GPS by its GPS module to carry out time synchronization, thus
It may achieve the error less than 200ns, it is ensured that the time required to the mobile carrier of same license plate is by two nearby Bluetooth scanning means
Accuracy, improve rate accuracy.
As one embodiment, router can be selected from any one in Ethernet, WIFI and LPWA, and gateway can be selected from
Any one in WIFI, 2G, 3G, 4G and 5G.In an embodiment of the present invention, it is not specifically limited in this embodiment.
Specifically, in one embodiment of the invention, mobile carrier can be vehicle, such as locomotive, automobile, truck
Deng.Bluetooth scanning means 10 may be provided at roadside or on the door frame of road.
As shown in figure 3, bluetooth scanning means 10 can be set up in the lamp stand by road or other communal facilitys, alternatively,
As shown in figure 4, bluetooth scanning means 10 can be set up on the door frame of road.
Further, with reference to Fig. 3 and Fig. 4, bluetooth scanning means 10 can be installed in same place in roadside, due to bluetooth
Scanner is that active transceiver, will not be by adjacent vehicle in the road of multilane even if being erected on the both sides of road
Block mutually, if drawing lines is more than 6 lines, door frame can also be set up across road, it is horizontal that multiple bluetooth scanners are installed on door frame
Beam.In this way, track the speed of vehicle using Bluetooth technology, in most of road, bluetooth can be all installed by the road
Scanner is substantially all more competitive than using RFID in cost, installation and follow-up maintenance.Alternatively, it is also possible to adopt
Use the bluetooth velocity-measuring system of the embodiment of the present invention as the component part of the passage charging system of highway or road or bridge,
Details are not described herein again.
Specifically, in an example of the invention, by taking two bluetooth scanners for being separated by 100 meters of fixed ranges as an example
Bluetooth velocity-measuring system of the invention is illustrated, oriented antenna, and oriented antenna direction can be selected in bluetooth scanning means
Direction to the car setting is then 3s the time required to its meters of traveling, is installed on mobile load if the speed for carrying out vehicle is 120km/h
If the bluetooth transmitters of tool are primary with every 20ms transmission broadcasting packages, then when its meters of traveling, always meet together and issue 150 times
Broadcasting packages can effectively be come by the variation for receiving bluetooth RSSI and broadcasting packages serial number due to the design of directional antenna
Speculate the time by each bluetooth scanner, thus passes through the time for what two nearby Bluetooth scanners obtained a certain license plate number
It is uploaded to server by the NBIOT (Narrow Band Internet of Things, narrowband Internet of Things) in LPWA, by taking
Whether business device calculates its time difference, the average speed in its 100 meters can be calculated more than 120km/h.
It should be noted that perhaps two bluetooth scanners have and miss several broadcasting packages, but the change based on RSSI
Change ascending, then to sharply becoming smaller, can be easy to obtain its peak value, then consider all general Le effect, movement can be estimated
The time that carrier passes through two neighboring bluetooth scanner.Wherein, error may be only between positive and negative 20ms, and the judgement to speed
Error should be between positive and negative 1km/h, i.e., is calculated by 120km/h/150=0.8km/h.
Also, the time synchronization of two bluetooth scanning means can be received the time signal of GPS by its GPS module, be come
Reach the error less than 200ns, rate accuracy may finally be improved.
In one embodiment of the invention, bluetooth transmitters can be integrally disposed to form bluetooth with the electronic license plate of vehicle
Electronic license plate.And Bluetooth electronic license plate is also communicated with the radio tire pressure tire temperature device of corresponding vehicle tire setting, to connect
It returns the vehicle to the garage and knock off the tire pressure and tire temperature information of tire.In this way, velocity estimated current driving of the server also according to the vehicle of current driving
Vehicle whether exceed the speed limit, and the tire pressure and tire temperature information of the tire, Yi Jigen are received by the bluetooth scanning means
According to the tire pressure of the tire and the tire condition of tire temperature information monitoring current vehicle.
That is, load-carrying and safety for mobile carrier such as vehicle, whether in addition to concern hypervelocity, it is also desirable to infuse
The situation of meaning tire, for example whether tire pressure caused by due to overload and tire temperature abnormality, including tire pressure detector and temperature pass
The signal of the tire pressure detected in real time and tire temperature can be utilized Radio Transmission Technology example by the radio tire pressure tire temperature device of sensor
Such as Bluetooth technology, it is transferred to interior receiver and Bluetooth electronic license plate, so as to be supplied to the tire of each tire of driver
Pressure and tire temperature information, not only allow driver that can learn tire condition by the system, can find immediately when tire has exception, with
Improve the safety of driving, additionally it is possible to which the operating condition for adjusting vehicle in time by monitoring tire condition can reduce vehicle volume
The service life of outer oil consumption and extension tire.
In the present embodiment, Bluetooth electronic license plate needs to receive at regular intervals the letter of radio tire pressure tire temperature device transmission
Number, broadcast tire pressure and tire temperature information.Also, Bluetooth electronic license plate can also broadcast the information such as license plate number simultaneously.With bluetooth 4.0/
4.1/4.2 for, its broadcasting packages of Bluetooth electronic license plate can have 31bytes, therefore can cover license plate (7bytes), normal
Tire pressure (2bytes, 0-500kPa), current tire pressure (2bytes, 0-500kPa), (1byte, -128~127 is Celsius for tire temperature at present
Degree), the information such as battery capacity (1byte, 0-25.5V).
As an example, there is vehicle the case where being fitted without Bluetooth electronic license plate just upper road to prevention, Ke Yi
Video camera is installed additional simultaneously by the bluetooth scanner in certain roadsides, license plate is shot, if taking license plate, but bluetooth scanner can not be swept
The package that the Bluetooth electronic license plate of the vehicle is broadcasted is retouched, that is, can determine that the vehicle does not install Bluetooth electronic license plate, can pass through later
Server push information to the license plate car owner, it is desirable that Bluetooth electronic license plate is installed in its time limit, realizes and reminds in time, it is comprehensive
Monitoring.
Bluetooth velocity-measuring system according to an embodiment of the present invention, by bluetooth transmitters in mobile carrier driving process every
Preset time issues wireless communication data packet, and the wireless communication data issued by each bluetooth scanning means to bluetooth transmitters
It is scanned according to packet, then obtains the change in signal strength situation of wireless communication data packet, and in wireless communication data packet
Signal strength records current time when reaching preset strength such as preset maximum intensity, and by the current time of record and wirelessly
The identification information of mobile carrier in communication data packets is sent to server, and such server is scanned according to two neighboring bluetooth and filled
Set the current time of record, pre-determined distance and mobile carrier identification information obtain current driving mobile carrier speed,
It tests the speed so as to accurately realize to each mobile carrier, is not only not necessarily to too many cost, moreover it is possible to realize that road is whole precisely
It tests the speed.
In addition, the embodiment of the present invention also proposed a kind of bluetooth speed-measuring method, as shown in figure 5, the bluetooth speed-measuring method packet
Include following steps：
S1 is sent out in mobile carrier driving process every preset time by the bluetooth transmitters being set on mobile carrier
Wireless communication data packet out, wherein wireless communication data packet includes the identification information such as license board information of mobile carrier.
S2 is scanned the wireless communication data packet that bluetooth transmitters issue by each bluetooth scanning means, and obtains
The change in signal strength situation of wireless communication data packet is taken, and reaches preset strength in the signal strength of wireless communication data packet
Shi Jilu current time, wherein the bluetooth scanning means at least two, and it is separated by pre-determined distance setting.
S3, according to the current time of two neighboring bluetooth scanning means record, the mark of pre-determined distance and mobile carrier
The speed of the mobile carrier of acquisition of information current driving.
That is, in mobile carrier driving process, bluetooth transmitters 20 every 20ms issue a broadcasting packages (i.e. without
Line communication data packets), oriented antenna can be used in bluetooth scanner 101, is scanned to broadcasting packages, and by obtaining broadcast
The power of package signal come obtain broadcasting packages RSSI (Received Signal Strength Indicator, receive letter
Number volume indicator) situation of change, and after the situation of change for obtaining broadcasting packages RSSI, gradually mentioned with close to distance
Height, distance near when, RSSI is most strong, later rapid decrease again, so that RSSI is reached the hair when the preset strength such as peak value
The raw time is noted down, and is then uploaded to server by router/gateway, calculates same identification information by server
Such as the time required to the mobile carrier of same license plate is by two nearby Bluetooth scanners, then by two nearby Bluetooth scanners
The time required to the mobile carrier for the same license plate that standoff distance is calculated divided by server is by two nearby Bluetooth scanners,
The average speed of the mobile carrier can be obtained.
Bluetooth speed-measuring method according to an embodiment of the present invention, by bluetooth transmitters in mobile carrier driving process every
Preset time issues wireless communication data packet, and the wireless communication data issued by each bluetooth scanning means to bluetooth transmitters
It is scanned according to packet, then obtains the change in signal strength situation of wireless communication data packet, and in wireless communication data packet
Signal strength records current time when reaching preset strength such as preset maximum intensity, is finally scanned according to two neighboring bluetooth
Current time, the speed of the mobile carrier of the identification information acquisition current driving of pre-determined distance and mobile carrier of device record
Degree, tests the speed to each mobile carrier so as to accurately realize, is not only not necessarily to too many cost, moreover it is possible to realize the whole essence of road
Standard tests the speed.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
It should be noted that in the claims, any reference symbol between parentheses should not be configured to power
The limitation that benefit requires.Word "comprising" does not exclude the presence of component or step not listed in the claims.Before component
Word "a" or "an" does not exclude the presence of multiple such components.The present invention can be by means of including several different components
It hardware and is realized by means of properly programmed computer.In the unit claims listing several devices, these are filled
Several in setting, which can be, to be embodied by the same item of hardware.The use of word first, second, and third is not
Indicate any sequence.These words can be construed to title.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include one or more of the features.In the description of the present invention,
The meaning of " plurality " is two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It is interpreted as that identical embodiment or example must be directed to.Moreover, particular features, structures, materials, or characteristics described
It may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this
The technical staff in field can be by the spy of different embodiments or examples described in this specification and different embodiments or examples
Sign is combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of bluetooth velocity-measuring system, which is characterized in that including：At least two are separated by the bluetooth scanning means of pre-determined distance, set
Bluetooth transmitters on mobile carrier, server are placed in, are communicated between the bluetooth scanning means and the server,
In,
The bluetooth transmitters issue wireless communication data packet every preset time in the mobile carrier driving process,
In, the wireless communication data packet includes the identification information of the mobile carrier；
Each bluetooth scanning means is scanned the wireless communication data packet that the bluetooth transmitters issue, and obtains institute
The change in signal strength situation of wireless communication data packet is stated, and reaches default in the signal strength of the wireless communication data packet
Current time is recorded when intensity, and the identification information of the current time of record and the mobile carrier is sent to the service
Device；
The server is according to the current time of two neighboring bluetooth scanning means record, the pre-determined distance and described
The identification information of mobile carrier obtains the speed of the mobile carrier of current driving.
2. bluetooth velocity-measuring system as described in claim 1, which is characterized in that the bluetooth scanning means includes bluetooth scanning
Instrument, router and gateway, wherein the bluetooth scanner leads to the identification information of the current time of record and the mobile carrier
It crosses the router and the gateway is sent to the server.
3. bluetooth velocity-measuring system as claimed in claim 2, which is characterized in that the router be selected from Ethernet, WIFI and
Any one in LPWA, any one of the gateway in WIFI, 2G, 3G, 4G and 5G.
4. bluetooth velocity-measuring system as claimed in claim 2, which is characterized in that the bluetooth scanning means further includes GPS communication
Module, the bluetooth scanning means receive the time signal of GPS so that the two neighboring bluetooth by the GPS communication module
The system time of scanning means keeps synchronizing.
5. such as bluetooth velocity-measuring system of any of claims 1-4, which is characterized in that the mobile carrier is vehicle,
The bluetooth scanning means is arranged in roadside or on the door frame of road.
6. bluetooth velocity-measuring system as claimed in claim 5, which is characterized in that the bluetooth scanning means uses directive property day
Line, the oriented antenna are arranged towards direction to the car.
7. bluetooth velocity-measuring system as claimed in claim 5, which is characterized in that the electronics of the bluetooth transmitters and the vehicle
License plate is integrally disposed to form Bluetooth electronic license plate.
8. bluetooth velocity-measuring system as claimed in claim 7, which is characterized in that the Bluetooth electronic license plate also with the corresponding vehicle
The radio tire pressure tire temperature device of tire setting is communicated, to receive the tire pressure and tire temperature information of the tire.
9. bluetooth velocity-measuring system as claimed in claim 8, which is characterized in that vehicle of the server also according to current driving
The vehicle of velocity estimated current driving whether exceed the speed limit, and the tire pressure of the tire is received by the bluetooth scanning means
With tire temperature information, and according to the tire pressure of the tire and the tire condition of tire temperature information monitoring current vehicle.
10. a kind of bluetooth speed-measuring method, which is characterized in that include the following steps：
It is issued in the mobile carrier driving process every preset time by the bluetooth transmitters being set on mobile carrier
Wireless communication data packet, wherein the wireless communication data packet includes the identification information of the mobile carrier；
The wireless communication data packet that the bluetooth transmitters issue is scanned by each bluetooth scanning means, and obtains institute
The change in signal strength situation of wireless communication data packet is stated, and reaches default in the signal strength of the wireless communication data packet
Current time is recorded when intensity, wherein the bluetooth scanning means at least two, and it is separated by pre-determined distance setting；
According to the current time of the two neighboring bluetooth scanning means record, the pre-determined distance and the mobile carrier
Identification information obtains the speed of the mobile carrier of current driving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810600548.8A CN108877240A (en) | 2018-06-12 | 2018-06-12 | Bluetooth velocity-measuring system and bluetooth speed-measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810600548.8A CN108877240A (en) | 2018-06-12 | 2018-06-12 | Bluetooth velocity-measuring system and bluetooth speed-measuring method |
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| CN108877240A true CN108877240A (en) | 2018-11-23 |
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| CN201810600548.8A Pending CN108877240A (en) | 2018-06-12 | 2018-06-12 | Bluetooth velocity-measuring system and bluetooth speed-measuring method |
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