CN206312256U - A kind of double RSU systems in ETC tracks - Google Patents
A kind of double RSU systems in ETC tracks Download PDFInfo
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- CN206312256U CN206312256U CN201621439856.XU CN201621439856U CN206312256U CN 206312256 U CN206312256 U CN 206312256U CN 201621439856 U CN201621439856 U CN 201621439856U CN 206312256 U CN206312256 U CN 206312256U
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- rsu
- transaction
- obu
- detection
- transaction control
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Abstract
The utility model proposes a kind of double RSU systems in ETC tracks, the system includes transaction control, detection RSU and transaction RSU.After the vehicle equipped with OBU sails the communication zone of detection RSU into, detection RSU uploads OBU status information datas to transaction control, and transaction control is locked to OBU and triggered transaction RSU switchs to working condition by idle condition.In order to avoid the BST information frames interference that OBU in process of exchange is issued by the transaction RSU in adjacent ETC tracks, the transaction RSU in the system does not issue BST information frames, and is only traded with the OBU for locking；Meanwhile, the communication zone of transaction RSU and detection RSU is not overlapped, so the OBU in stateful transaction will not be subject to monkey chatter and with car interference, great application value.
Description
Technical field
The utility model is related to ETC (Electronic Toll Collection, electronic charging system without parking) technology
Field, more particularly to a kind of double RSU systems in ETC tracks.
Background technology
At present, ETC has been achieved with national network, and a card travels around the country and become a reality.Under this overall background, the whole nation is each
ETC is all being widelyd popularize in ground, and the usage amount of ETC is necessarily increased, and thereupon, ETC tracks will necessarily also increase.In ideal situation
Under, vehicle when by ETC designated lanes, the roadside unit on board units (On Board Unit, OBU) and place track
(Road Side Unit, RSU) equipment is by special short range communication technology (Dedicated Short Range
Communications, DSRC) realize concluding the business and withholing, after the completion of withholing, track barrier machine is argued for the sake of arguing clearance.
But in actual applications, can cause following two existing due to there is monkey chatter between two adjacent RSU
As：A kind of is the board units OBU that the RSU equipment on this track has been recognized on adjacent lane, and completes transaction, causes to miss
Withhold；Another kind is the board units OBU concluded the business on this track due to receiving the transmitting of the RSU equipment on adjacent lane
The peculiar information request frame BST of OBU are obtained, causes transaction to interrupt or conclude the business abnormal and cannot complete to withhold.
The content of the invention
Regarding to the issue above, the utility model proposes a kind of double RSU systems in ETC tracks in traditional ETC tracks layout
System, can effectively suppress the monkey chatter in many ETC tracks.
In order to achieve the above object, the technical scheme that the utility model is used is as follows：A kind of double RSU systems in ETC tracks,
Including transaction control, detection RSU and transaction RSU；
Described transaction control includes information acquisition module and transaction control module；
Described detection RSU, is connected, by serial ports or optical fiber with the information acquisition module of transaction control for detecting
Whether there is OBU in the communication zone of category, and the OBU information that will be detected gives information gathering mould by serial ports or Optical Fiber Transmission
Block；
Described transaction control module, is attached with information acquisition module by RS232, and information acquisition module will be gathered
To OBU information be transferred to transaction control module；
Described transaction RSU, is connected with the transaction control module of transaction control by serial ports or optical fiber, is controlled according to transaction
OBU information received by molding block controls the process of exchange of whole electric non-stop toll；
Described detection RSU, the communication zone control belonging to it is being only capable of covering a size for vehicle body, and communication zone
In the range of track that can only be where it,；
The communication zone of described transaction RSU and the communication zone of detection RSU are not overlapped.Sail vehicle in track into first
By detecting the communication zone of RSU, then again by the communication zone of the RSU that concludes the business；
Described method, RSU is in running order all the time for detection, sends obtain the peculiar letters of OBU at a certain time interval
Breath claim frame BST.Transaction RSU just switchs to work shape only after the trigger signal for receiving transaction control module by idle condition
State；
Vehicle is travelled at the ETC tracks equipped with the system, and electric non-stop toll realizes that step is as follows：
Step 1：When the vehicle for being provided with OBU sails the communication zone of detection RSU into, RSU is in running order for detection, and
Detect that the communication zone of RSU only covers track where it, so the OBU can only be detected by the detection RSU in its residing track, inspection
Survey RSU and detect the OBU, and obtain its peculiar information VST, and the RSU that now concludes the business is in idle condition；
Step 2：The peculiar information VST of the OBU is passed through the information of serial ports or Optical Fiber Transmission to transaction control by detection RSU
Acquisition module；
Step 3：The peculiar information frame VST of OBU is transferred to transaction by the information acquisition module of transaction control by RS232
The transaction control module of controller；
Step 4：Transaction control locks the OBU, and triggers transaction RSU start-up operations, and transaction RSU does not retransmit acquisition
The peculiar information request frame BST of OBU, but directly transmit acquisition OBU information of vehicles claim frames getsecure.rq.Now, hand over
OBUs of the easy RSU only with locking is traded.Simultaneously as transaction RSU does not send the acquisition peculiar information request frame BST of OBU, OK
Sail the vehicle of the communication zone of transaction RSU into, transaction will not be interrupted because of the interference of BST.
Brief description of the drawings
Fig. 1 is the structural representation for realizing a kind of double RSU systems in ETC tracks；
Fig. 2 is schematic layout pattern of the whole system in actual ETC tracks；
Fig. 3 is the utility model example-system layout figure based on double ETC tracks.
Specific embodiment
The utility model proposes a kind of double RSU systems in ETC tracks, for suppressing the monkey chatter of many ETC tracks, based on this
System, Fig. 1 is system structure diagram, and the part and functions of system are specifically described with reference to Fig. 1, while
The double RSU systems in ETC tracks are specifically described by integrated structure schematic diagram.
As shown in figure 1, whole system structure is made up of transaction control, tri- parts of detection RSU and transaction RSU.
Detection RSU is connected by serial ports or optical fiber with transaction RSU with transaction control.Detection RSU is used to detect institute
Whether there is OBU in the communication zone of category, when the vehicle equipped with OBU is sailed into track, detection RSU can obtain its peculiar information
VST.The peculiar information VST of OBU is transferred to transaction control module by information acquisition module, goes triggering transaction RSU to start working.
Fig. 2 is the mounting arrangement figure of actual lane detection RSU and transaction RSU, and RSU1 is transaction RSU, formal dress and ETC cars
Road；RSUE1 is detection RSU, and side is loaded on ETC tracks；Z1 is the communication zone of RSUE1, and Z2 is the communication zone of RSU1, RSUE1
Side fills or just loaded on outside RSU1 communication zones；A car can only be covered in the communication zone of RSUE1.
The mounting means of the RSUE1 in Fig. 2 be only one of which, it is all can be achieved on the system suppress neighboring trace do
Other mounting means disturbed are within protective scope of the claims.
With the mounting arrangement of Fig. 2, when vehicle traveling is in the ETC tracks equipped with the system, electric non-stop toll reality
Existing step is as follows：
Step 1：When the vehicle for being provided with OBU passes through ETC tracks, RSUE1 is in running order, because RSU1 is in sky
Not busy state, and the communication zone of RSUE1 can only cover track where it, so the OBU can only be examined by the RSUE1 in its residing track
Measure, RSUE1 detects the OBU, and obtains its peculiar information VST；
Step 2：RSUE1 adopts the peculiar information VST of the OBU by serial ports or Optical Fiber Transmission to the information of transaction control
Collection module；
Step 3：The peculiar information frame VST of the OBU is transferred to friendship by the information acquisition module of transaction control by RS232
The transaction control module of device easy to control；
Step 4：Transaction control locks the OBU, and triggers RSU1 start-up operations, directly transmits the vehicle for obtaining the OBU
Information request frame.OBUs of the RSU1 only with locking is traded.Meanwhile, when many ETC tracks are concluded the business, obtained because transaction RSU does not send
Take the claim frame BST of the peculiar information of OBU, travel the vehicle into transaction RSU communication zones, will not because of the interference of BST in break off a friendship
Easily；
When sailing the ETC tracks equipped with the system into vehicle with reference to concrete application scene, electric non-stop toll
How to realize being described in more detail：
(1) the system application based on double ETC tracks
Actual two-way traffic schematic layout pattern as shown in figure 3, RSU1 and RSU2 are transaction RSU, just loaded on two different ETC
Track A tracks and B tracks, Z2 and Z4 are respectively the communication zone of RSU1 and RSU2；There is RSU for detection in RSUE1 and RSUE2,
Dorsal part is leaned against loaded on ETC tracks, Z1 and Z3 is respectively the communication zone of RSUE1 and RSUE2；；RSUE1 and RSUE2 are respectively mounted
Outside the communication zone of RSU1 and RSU2.
The channel of RSU1 and RSUE1 is channel 0, and frequency is 5.83GHz, may only receive the signal of 5.79GHz；RSU2 and
The channel of RSUE2 is channel 1, and frequency is 5.84GHz, may only receive the signal of 5.80GHz.The initial shape of RSUE1 and RSUE2
State is working condition, i.e. transmission at a certain time interval obtains the first of the claim frame BST, RSU1 and RSU2 of the peculiar information of OBU
Beginning state is idle condition.
When the vehicle for being provided with OBU passes through A tracks, can only be covered due to RSUE1 and RSUE2 communication zones each
Track where antenna, so can only be detected by RSUE1 by the OBU vehicles in A tracks.Simultaneously as RSUE1 and RSUE2
Channel it is different, the 5.79GHz signals that the OBU detected by RSUE1 is replied can only also be received by RSUE1.
RSUE1 is detected after the information of OBU, obtains its peculiar information VST, then by serial ports or Optical Fiber Transmission to friendship
The information acquisition module of device easy to control, the information acquisition module of transaction control is transferred to transaction control by RS232 again
Transaction control module, transaction control module is received after VST information, locks the OBU, and trigger RSU1 start-up operations, RSU1
The acquisition peculiar information request frame BST of OBU are not retransmited, but is sent and is obtained information of vehicles claim frame, now the RSU1 and OBU locks
Fixed transaction.RSU1 switchs to after working condition, and vehicle sails communication zone Z2 into, and now vehicle is in the back of the body of RSUE2 communication zones
Face, such OBU will not be sent by RSUE2 and obtain OBU peculiar information request frame BST and be influenceed, it is to avoid monkey chatter.
Implement use-case above and be directed to what double ETC tracks were illustrated, but the invention is not restricted to two-way traffic, can upgrade
It is multilane.
The RSU equipment and ETC system introduced by this implementation use-case are ETC tracks in implementation the application utility model
The device that double RSU systems are used, those skilled in the art will appreciate that RSU equipment and the ETC systems of this implementation use-case
The specific embodiment of system and its various change form, so how to realize this for the RSU equipment and ETC system herein
How the double RSU systems in ETC tracks that application is implemented in use-case suppress monkey chatter is no longer discussed in detail.As long as the affiliated skill in this area
Art personnel implement information during the application implements use-case and issue the device used with acquisition methods, belong to the application and are intended to protect
Scope.
The above, specific embodiment only of the present utility model, but, protection domain of the present utility model does not limit to
In this, any one skilled in the art in the technical scope that the utility model is described, the change that can be readily occurred in
Change or substitute, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with described
Scope of the claims is defined.
Claims (3)
1. double RSU systems in a kind of ETC tracks, it is characterised in that including：Transaction control, detection RSU and transaction RSU；
Described transaction control includes information acquisition module and transaction control module；Described transaction control module, it is and described
Information acquisition module be attached by serial ports RS232；
Described detection RSU, is connected with described information acquisition module by serial ports or optical fiber, for detecting the affiliated comunication area
Whether there is OBU, and information acquisition module of the OBU information that will be detected by serial ports or Optical Fiber Transmission to described in, institute in domain
The OBU information that the information acquisition module stated will be collected is transferred to described transaction control module；
Described transaction RSU, is connected with described transaction control module by serial ports or optical fiber, described transaction control module root
Whole electric non-stop toll process of exchange is controlled according to received OBU information.
2. double RSU systems in a kind of ETC tracks according to claim 1, it is characterised in that described detection RSU, belonging to it
Communication zone control at 2 meters to 4 meters, that is, be only capable of cover a size for vehicle body.
3. a kind of double RSU systems in ETC tracks according to claim 1, it is characterised in that the communication of described transaction RSU
The communication zone of region and detection RSU is not overlapped, and sails the vehicle in track into first by detecting the communication zone of RSU, then lead to
Cross the communication zone of transaction RSU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621439856.XU CN206312256U (en) | 2016-12-26 | 2016-12-26 | A kind of double RSU systems in ETC tracks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621439856.XU CN206312256U (en) | 2016-12-26 | 2016-12-26 | A kind of double RSU systems in ETC tracks |
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| Publication Number | Publication Date |
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| CN206312256U true CN206312256U (en) | 2017-07-07 |
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| CN201621439856.XU Active CN206312256U (en) | 2016-12-26 | 2016-12-26 | A kind of double RSU systems in ETC tracks |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459013A (en) * | 2019-07-17 | 2019-11-15 | 重庆易米智慧停车服务有限公司 | Charging pile charging system based on ETC |
-
2016
- 2016-12-26 CN CN201621439856.XU patent/CN206312256U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459013A (en) * | 2019-07-17 | 2019-11-15 | 重庆易米智慧停车服务有限公司 | Charging pile charging system based on ETC |
| CN110459013B (en) * | 2019-07-17 | 2024-04-30 | 易米智链(重庆)科技有限公司 | Charging pile charging system based on ETC |
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