CN109313826A - DSRC ETC OBU system - Google Patents
DSRC ETC OBU system Download PDFInfo
- Publication number
- CN109313826A CN109313826A CN201780034677.9A CN201780034677A CN109313826A CN 109313826 A CN109313826 A CN 109313826A CN 201780034677 A CN201780034677 A CN 201780034677A CN 109313826 A CN109313826 A CN 109313826A
- Authority
- CN
- China
- Prior art keywords
- obu system
- obu
- main body
- control unit
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
- G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Finance (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
Abstract
OBU system includes: control unit, detects OBU system whether the installation in main body；And switch, one end connect with battery, signal are turned on/off, the power supply of the control unit based on the power supply signal from the main body or is based on the battery.According to OBU system, in order to detect OBU system in being mounted or separated in main body and when using battery, by the minimum power consumption on battery, during the use for increasing OBU system thus significantly, so as to semi-permanently use.
Description
Technical field
The present invention relates to DSRC ETC OBU system, more particularly, to be able to detect installation of the OBU in main body with
No DSRC ETC OBU system.
Background technique
Under normal circumstances, the ETCOBU of vehicle is installed on for the automatic fare collection system of the charge station applied to expressway
(Electronic Toll Collection On Board Unit: electronic charging on-vehicle unit) is installed in automobile and makes
With.
But in the DSRC towards China, (Dedicated Short Range Communication: dedicated short distance is logical
Letter) ETC OBU in the case where, must have following anti-dismounting function in OBU: go forward side by side OBU is installed on automobile
Row registration, after it can operate normally, when dismantling OBU, by the information of deletion or change of registration, so that OBU
It can not reuse later.
In the past, for the anti-dismounting of OBU, the power supply of OBU is switched on always by any form, thus monitors tearing open for OBU
Whether dress, when detecting separation, executes and delete or deform by the OBU information of normal registration.At this point, such in order to operate
Function for monitoring needs to use a part of power supply (battery) always, therefore in the resource of the limited electrical power as battery (that is, electricity
Tankage) in the case where, there are problems that needing it using time restriction within the capacity of battery.
Summary of the invention
Technical task
It is an object of the invention to solve such as above-mentioned technical task and provide following DSRC ETC OBU system: for
Detection OBU system is when being mounted or separated in main body uses battery, by the minimum power consumption in battery, thus aobvious
It lands during the use for increasing OBU system, thus, it is possible to semi-permanently use.
The means to solve the problem
The OBU system of a preferred embodiment of the invention, can be installed on main body and use, which is characterized in that should
OBU system includes: control unit, whether judging the installation of OBU system on the body；And switch, one end and battery connect
It connects, signal is turned on/off, the power supply of the control unit based on the power supply signal from the main body or is based on the battery.
Likewise it is preferred that being OBU system of the invention further include: voltage divider is connect with the other end of the switch
And it is used as the power supply of the control unit, and distribute the voltage of the other end of the switch, the control unit receives the voltage
The output of distributor and whether judge the installation of OBU system on the body.
Furthermore it is possible to be OBU system of the invention further include: adjuster receives power supply signal and reality from the main body
It applies adjusting (Regulation), the output of the adjuster is used as the power supply of the control unit.
Preferably, OBU system of the invention further include: charging circuit, using the output of the adjuster to institute
Battery is stated to charge；Wireless communication part implements wireless communication；And memory, the state of OBU system is encrypted and
Storage.
And specifically, it is preferable to be, when the main body is separated with OBU system, to connect the switch, install on the body
When OBU system, the switch is disconnected.
Meanwhile being characterized in that, in the case where being judged as that OBU system is separated from the main body, the control unit can be controlled
The movement of the memory is made, can delete or change the information for being stored in the memory.
In addition, the OBU system of the invention further include: the power supply terminal of diode, cathode and the control unit connects
It connects, anode is connect with the other end of the switch.
Invention effect
DSRC according to the present invention ETC OBU system, in order to judge OBU system being mounted or separated in main body and
When using battery, by the minimum power consumption in battery, during the use for increasing OBU system thus significantly, so as to
Semi-permanently use.
Detailed description of the invention
Fig. 1 is the structure chart of the DSRC ETC OBU system of a preferred embodiment of the invention.
Fig. 2 is the table for being illustrated to the movement of OBU system in several cases.
Specific embodiment
In the following, the DSRC of the embodiment of the present invention is described in detail with ETC OBU system referring to attached drawing.
Certainly, following embodiments of the invention are only used for embodying the present invention, are not limitation or the restriction present invention
Interest field.It can easily derived content be explained by those skilled in the art from summary of the invention and embodiment of the invention
To be included in scope of the presently claimed invention.
Firstly, Fig. 1 shows the structure charts of the DSRC ETC OBU system (100) of a preferred embodiment of the invention.
From fig. 1, it can be seen that DSRC (the Dedicated Short Range of a preferred embodiment of the invention
Communication: dedicated short-range communication) use ETC (Electronic Toll Collection: electronic charging) OBU (On
Board Unit: on board unit) system (100) include adjuster (110), charging circuit (120), control unit (130), switch
(140), voltage divider (150), diode (160), reset portion (170), wireless communication part (180) and memory (190).
OBU system (100) of the invention is able to carry out automatic charging (Electronic Toll Collection) etc.
Function may be mounted to main body and use.Here, so-called main body, either vehicle itself, is also possible to be attached to the peace of vehicle
Fill object.
Adjuster (110) receives power supply (PWR) signal for carrying out autonomous agent and implements to adjust (Regulation), to play
The effect of stable power supply is provided.The output of adjuster (110) is used as the power supply of control unit (130).
Charging circuit (120) plays the role of charging to battery (BAT) using the output of adjuster (110).
Preferably, the movement of other modules (structure) in control unit (130) control OBU system (100), plays judgement
Effect of the OBU system (100) whether the installation in main body.Control unit (130) of the invention can be by ASIC (Application
Specific Integrated Circuit: specific integrated circuit), MCU (Micro Co ntroller Unit: microcontroller
Unit) and the processors such as MPU (Micro Processor Unit: microprocessor unit) realize.The power supply of control unit (130)
Realized based on power supply (PWR) signal for carrying out autonomous agent, or according to circumstances and based on from battery (BAT) power supply signal and
It realizes.
One end of switch (140) connect with battery (BAT) and plays the role of connecting (ON) or disconnect (OFF).Specifically,
Switch (140) plays the role of the connection being switched on or switched off between battery (BAT) and control unit (130).But battery (BAT)
It connects by switch (140) and with control unit (130) via other circuit elements (150,160).
It is characterized in that, the other end of switch (140) is connect with the anode of voltage divider and diode (160).Meanwhile it is excellent
It is selected as, when main body is separated with OBU system (100), connects switch (140), when installing OBU system (100) in main body, will open
(140) are closed to disconnect.The on/off movement of such switch (140) by electrical resistance/mechanicalness works, i.e., electrical resistance/
It is mechanically simply designed as following and realizes: when being mounted with OBU system (100) in main body, making to switch (140) disconnection,
When separating OBU system (100) from main body, makes to switch (140) connection, thus supply power supply to control unit (130).
Voltage divider (150) connect and plays the electricity of the other end of distribution switch (140) with the other end of switch (140)
The effect of pressure.Voltage divider (150) is characterized in that, can not be input to control since the voltage from battery (BAT) is excessive
Portion (130) processed, therefore its size is reduced to the size appropriate for being adapted for application to control unit (130).As shown in Figure 1, about
Voltage divider (150), although being realized using resistive element, naturally it is also possible to be realized using operational amplifier etc..
Control unit (130) receives the output of voltage divider (150) and judges installation of the OBU system (100) in main body
Whether.In the case where main body is separated with OBU system (100), switch (140) is connected, from voltage divider (150) to control unit
(130) detection terminal (DET_IN) inputs the voltage of high (High) state, and control unit (130) can judge OBU system
(100) it is separated from main body.Similarly, in the case where being equipped with OBU system (100) in main body, switch (140) is disconnected, from electricity
Distributor (150) are pressed to input the voltage of low (Low) state to the detection terminal (DET_IN) of control unit (130), thus control unit
(130) it can judge that OBU system (100) is installed on main body.Certainly, according to the reversion of circuit, high and low state judgement
It is possible that being inverted.
The cathode of diode (160) is connect with the power supply terminal of control unit (130), the other end of anode and switch (140)
Connection, and plays the role that when control unit (130) is acted by the power supply (PWR) of main body, can prevent due to
Mistakenly judge to malfunction caused by whether the installation of OBU system (100).That is, passing through main body electricity by diode (160)
Source (PWR) and apply voltage to voltage divider (150), to not input the signal of high state to detection terminal (DET_IN),
Meanwhile by diode (160), the power supply of battery (BAT) supplies power supply (VDD) to control unit (130), reset portion (170) and
Reseting terminal is able to carry out movement.
Reset portion (170), which is played the role that, to be controlled when connecting control unit (130) in order to correctly be acted again
Position (Reset) signal.That is, reset portion (170) executes the function of being also known as electrification reset (Power On Reset).Exist as a result,
By OBU system (100) in the case where the main body separation, reset portion (170) needs can be acted, therefore be preferably designed for passing through
Battery (BAT) and receive power supply.
Wireless communication part (180) is carried out wireless communication using RF module (Module) with external equipments such as base stations.Storage
Device (190), which plays the role that, is permitted normal including the state needed for the movement and operation of OBU system (100)
Credible encryption for information and record and store.That is, preferably, security personnel's function with OBU system (100) is stored in memory (190)
It can relevant information.
Specifically, the control action carried out to control unit (130) through the invention is illustrated.
Being judged as that control unit (130) can control memory (190) in the case where having separated OBU system (100) from main body
Movement, can delete or change the information for being stored in memory (190).Meanwhile OBU system is mounted in main body being judged as
It unites in the case where (100), control unit (130) can control the movement of memory (190), be stored in memory not delete or change
(190) information.
How control method by above-mentioned control unit (130) is made of the invention when actually occurring various situations
The case where OBU system (100) is acted is illustrated.
Fig. 2 indicates the table for being illustrated to the movement of OBU system (100) in several cases.
1. in the power supply (PWR) for connecting main body, the case where OBU system (100) is installed on main body
Because be the functional state normally acted, disconnect switch (140), pass through control unit (130)
The low state of detection terminal (DET_IN) and be detected as OBU system (100) and be installed in main body, OBU system (100) remains existing
Normal action state.Do not delete or change as a result, the information for being stored in memory (190).
2. connect main body power supply (PWR), from main body separate OBU system (100) the case where
Even if having connected the power supply (PWR) of main body, switch (140) is switched on, and the voltage of battery (BAT) is with high state
It is applied to the detection terminal (DET_IN) of control unit (130), OBU system (100) is thus detected as and is separated from main body, to delete
Or change is stored in the information of memory (190).
3. the case where closing the power supply (PWR) of main body, OBU system (100) be installed on main body
When closing power supply (PWR) of main body, if being equipped with OBU system (100), switchs (140) and be disconnected, thus
Power supply is not supplied to all devices of the OBU system (100) including control unit (130), therefore any electricity can not be carried out
Gas movement, therefore maintain present state.Do not delete or change as a result, the information for being stored in memory (190).At this time for not
Use the state of any power supply.
4. close main body power supply (PWR), from main body separate OBU system (100) the case where
Connect switch (140), the phase of the power supply of battery (BAT) to the OBU system (100) including control unit (130)
Unit feeding power supply is closed, is judged as by detection terminal (DET_IN) from main body and has separated OBU system (100), to delete
Or change is stored in the information of memory (190).
No matter under any circumstance as reference, OBU system (100) is configured to as follows:, as long as separating from main body, applying
The signal for being added to detection terminal (DET_IN) becomes high (High) state, in the case where OBU system (100) is installed on main body,
Always low (Low) state is maintained.
OBU system (100) with this configuration, thus other than the case where OBU system (100) is separated from main body, from
Battery (BAT) does not consume electric current, even if thus can also extend OBU significantly in the state of closing power supply (PWR) of main body
The battery (BAT) of system (100) holding time or can semi-permanently use.
As above-mentioned DSRC of the invention is as follows with the arrangement content of the feature of ETC OBU system (100).
(1) OBU system (100) being mounted or separated in main body is detected, when being detected as separation, can delete or change
The register information of memory (190).
(2) standby mode is not used, OBU system (100) being mounted or separated and storage can be controlled in main body is detected
The information of device (190).
(3) in the state of not supplying power supply (PWR) from main body, also it is able to detect peace of the OBU system (100) in main body
Dress or separation.
It is such as above-mentioned, it is known that, DSRC according to the present invention ETC OBU system (100) exists to detect OBU system (100)
Being mounted or separated in main body and use battery (BAT) when, by the minimum power consumption in battery (BAT), thus significantly
During the use for increasing OBU system (100), so as to semi-permanently use.
Claims (8)
1. a kind of OBU system, can be installed on main body and use, which is characterized in that the OBU system includes:
Control unit, whether judging the installation of OBU system on the body；And
Switch, one end connect with battery, signal are turned on/off,
The power supply of the control unit is based on the power supply signal from the main body or is based on the battery.
2. OBU system according to claim 1, which is characterized in that
The OBU system further include:
Voltage divider is connect with the other end of the switch, distributes the voltage of the other end of the switch,
Whether the control unit receives the output of the voltage divider and judges the installation of OBU system on the body.
3. OBU system according to claim 1, which is characterized in that
The OBU system further include:
Adjuster receives power supply signal from the main body and implements to adjust (Regulation),
The output of the adjuster is used as the power supply of the control unit.
4. OBU system according to claim 3, which is characterized in that
The OBU system further include:
Charging circuit charges to the battery using the output of the adjuster.
5. OBU system according to claim 1, which is characterized in that
The OBU system further include:
Wireless communication part implements wireless communication；And
Memory encrypts the state of the OBU system and is stored.
6. OBU system according to claim 5, which is characterized in that
When the main body is separated with OBU system, the switch is connected, when OBU system is installed on the body, disconnects institute
State switch.
7. OBU system according to claim 6, which is characterized in that
In the case where being judged as that OBU system is separated from the main body, the control unit can control the movement of the memory,
Can delete or change the information for being stored in the memory.
8. OBU system according to claim 1, which is characterized in that
The OBU system further include:
Diode, cathode are connect with the power supply terminal of the control unit, and anode is connect with the other end of the switch.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2016-0088841 | 2016-07-13 | ||
| KR1020160088841A KR101864021B1 (en) | 2016-07-13 | 2016-07-13 | Etc obu system for dsrc |
| PCT/KR2017/003290 WO2018012708A1 (en) | 2016-07-13 | 2017-03-28 | Etc obu system for dsrc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109313826A true CN109313826A (en) | 2019-02-05 |
Family
ID=60952563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780034677.9A Pending CN109313826A (en) | 2016-07-13 | 2017-03-28 | DSRC ETC OBU system |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101864021B1 (en) |
| CN (1) | CN109313826A (en) |
| WO (1) | WO2018012708A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111341121B (en) * | 2020-03-13 | 2021-09-14 | 招商华软信息有限公司 | Method and equipment for determining vehicle driving direction based on ETC portal number |
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-
2016
- 2016-07-13 KR KR1020160088841A patent/KR101864021B1/en active IP Right Grant
-
2017
- 2017-03-28 CN CN201780034677.9A patent/CN109313826A/en active Pending
- 2017-03-28 WO PCT/KR2017/003290 patent/WO2018012708A1/en active Application Filing
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| KR20040073305A (en) * | 2003-02-10 | 2004-08-19 | 혼다 기켄 고교 가부시키가이샤 | Etc terminal |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018012708A1 (en) | 2018-01-18 |
| KR20180007599A (en) | 2018-01-23 |
| KR101864021B1 (en) | 2018-06-01 |
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Application publication date: 20190205 |