CN112669475A - OBU control method, OBU, ETC system, vehicle, and storage medium - Google Patents
OBU control method, OBU, ETC system, vehicle, and storage medium Download PDFInfo
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- CN112669475A CN112669475A CN202011601586.9A CN202011601586A CN112669475A CN 112669475 A CN112669475 A CN 112669475A CN 202011601586 A CN202011601586 A CN 202011601586A CN 112669475 A CN112669475 A CN 112669475A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The present application relates to an OBU control method, an OBU, an ETC system, a vehicle, and a storage medium. The method comprises the following steps: receiving a power-off control instruction for controlling the OBU to power off; inquiring whether the OBU has a vehicle running record; wherein the vehicle driving record comprises at least one road side unit record; and if so, controlling whether the OBU is powered off or not according to the vehicle running record. By adopting the method, the power-off control of the OBU can be realized, and the electric quantity loss of the OBU to the vehicle storage battery is reduced.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to an OBU control method, an OBU, an ETC system, a vehicle, and a storage medium.
Background
ETC (Electronic Toll Collection ) is a novel Electronic automatic Toll Collection system, and mainly adopts DSRC (Dedicated Short Range Communications, Dedicated Short Range communication technology) to perform data interaction between an OBU (On board Unit) On a vehicle and an RSU (Road Side Unit) near a Toll station so as to realize Toll transaction between the vehicle and the Toll station under the condition of no parking.
In the traditional technology, a single-chip OBU installed in the development stage of a whole vehicle is always in a powered standby state after the vehicle leaves a factory, and after the vehicle enters the signal coverage range of an RSU, the OBU is awakened by the RSU and performs data interaction with the RSU, so that automatic payment is realized.
However, in the conventional technology, the OBU cannot be powered off and closed without automatic payment through the ETC system, and thus unnecessary power loss is caused to the vehicle storage battery.
Disclosure of Invention
In view of the above, it is necessary to provide an OBU control method, an OBU, an ETC system, a vehicle, and a storage medium, in view of the above technical problems.
An OBU control method, comprising:
receiving a power-off control instruction for controlling the OBU to power off;
inquiring whether the OBU has a vehicle running record; wherein the vehicle driving record comprises at least one road side unit record;
and if so, controlling whether the OBU is powered off or not according to the vehicle running record.
In one embodiment, the roadside unit records include an entry record and an exit record; whether the OBU is powered off or not is controlled according to the vehicle running record, and the method comprises the following steps:
judging whether each entry record in the vehicle driving records has a corresponding exit record;
and if so, controlling the OBU to power down.
In one embodiment, determining whether each entry record in the vehicle travel records has a corresponding exit record comprises:
judging whether the number of the entrance records is equal to that of the exit records;
if so, each entry record is determined to have a corresponding exit record.
In one embodiment, determining whether each entry record in the vehicle travel records has a corresponding exit record comprises:
judging whether the road side unit record corresponding to the passing time closest to the current time is an exit record;
if so, each entry record is determined to have a corresponding exit record.
In one embodiment, the roadside unit records include an entry record, and controlling whether the OBU is powered down according to the vehicle driving record includes:
judging whether the road side unit record corresponding to the passing time closest to the current time is an entrance record;
if so, acquiring the vehicle running time between the current moment and the passing moment nearest to the current moment;
and if the vehicle running time is longer than the preset time, controlling the OBU to power off, and generating a temporary power off record in the vehicle running record.
In one embodiment, the method further includes:
receiving a power-on control instruction for controlling the OBU to be powered on, and controlling the OBU to enter a standby state from a current power-off state according to the power-on control instruction;
receiving the type of the road side unit to be passed by the vehicle sent by the road side unit;
and determining whether to control the OBU to enter a working state from a standby state and respond to the road side unit according to the type of the road side unit through which the vehicle passes.
In one embodiment, determining whether to control the OBU to enter the operating state from the standby state and respond to the road side unit according to the type of the road side unit through which the vehicle passes comprises:
and if the type of the road side unit to be passed by the vehicle is an inlet road side unit, controlling the OBU to enter a working state from a standby state and responding to the road side unit.
In one embodiment, the method further includes:
if the type of the road side unit through which the vehicle passes is not an entrance road side unit, judging whether a vehicle driving record corresponding to a record time closest to the current time is a temporary power-off record;
if yes, the OBU is controlled to enter a working state from a standby state, and the road side unit is responded;
and if not, forbidding the OBU from entering the working state from the standby state, and forbidding the response road side unit.
And if the type of the road side unit to be passed by the vehicle is not the inlet road side unit, forbidding the OBU from entering the working state from the standby state, and forbidding the road side unit to be responded.
In one embodiment, before receiving the rsu type to be passed by the vehicle sent by the rsu, the method further includes:
acquiring the anti-disassembly state of the OBU;
if the anti-disassembly state is invalid, sending out a failure prompt;
and if the anti-dismounting state is effective, executing the step of receiving the type of the road side unit which is sent by the road side unit and is to be passed by the vehicle.
In one embodiment, the OBU is provided with a trigger switch for receiving a power-down control command for controlling the OBU to power down, and the power-down control command comprises:
and receiving a power-off control instruction input by a user through triggering the trigger switch.
An OBU comprising a trigger switch, a memory and a processor, the memory storing a computer program;
the trigger switch is used for receiving a power-off control instruction for controlling the power-off of the OBU and transmitting the power-off control instruction to the processor;
the processor, when executing the computer program, implements the steps of:
receiving a power-off control instruction for controlling the OBU to power off;
inquiring whether the OBU has a vehicle running record; wherein the vehicle driving record comprises at least one road side unit record;
and if so, controlling whether the OBU is powered off or not according to the vehicle running record.
An ETC system comprises a road side unit and the OBU.
A vehicle includes the OBU.
A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:
receiving a power-off control instruction for controlling the OBU to power off;
inquiring whether the OBU has a vehicle running record; wherein the vehicle driving record comprises at least one road side unit record;
and if so, controlling whether the OBU is powered off or not according to the vehicle running record.
According to the OBU control method, the OBU, the ETC system, the vehicle and the storage medium, whether the OBU has the vehicle running record or not is inquired by receiving the power-off control command for controlling the power-off of the OBU, and if the OBU has the vehicle running record, whether the OBU is powered off is controlled according to the vehicle running record, so that the power-off control of the OBU is realized, and the electric quantity loss of the OBU to a vehicle storage battery is reduced.
Drawings
FIG. 1 is a diagram of an exemplary OBU control method;
FIG. 2 is a flow diagram illustrating an OBU control method according to one embodiment;
FIG. 3 is a flow chart illustrating the process of controlling the OBU to power down according to the vehicle driving record in one embodiment;
FIG. 4 is a schematic flow chart of an OBU control method in another embodiment;
FIG. 5 is a block diagram of the OBU in one embodiment;
FIG. 6 is a schematic flow chart of an OBU tamper proof check in another embodiment;
fig. 7 is a diagram of the internal structure of an OBU in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The OBU control method provided by the present application may be applied to the application environment shown in fig. 1. The OBU 102 is mounted on a vehicle, the RSU 104 is disposed beside a road, and the OBU 102 and the RSU 104 communicate with each other via a network. The OBU 102 inquires whether the OBU has a vehicle travel record when receiving a power-off control instruction for controlling the power-off of the OBU triggered by a user. Wherein the vehicle driving record comprises at least one road side unit record. And if so, the OBU controls whether to power off according to the vehicle running record. The OBU 102 is a monolithic OBU, and communicates with the RSU 104 via DSRC.
In an embodiment, as shown in fig. 2, an OBU control method is provided, which is described by taking a processor of the OBU in fig. 1 as an example, where the OBU control method includes a power-down control of the OBU, and specifically includes the following steps:
and S210, receiving a power-off control command for controlling the power-off of the OBU.
The power-off control instruction is a control instruction which is triggered by a user and used for controlling the OBU to power off. Alternatively, the power-off control instruction may be generated by a user by triggering a key or a touch point on the OBU. For example, a user presses a bluetooth switch key for a long time to trigger a power-off control instruction for controlling the power-off of the OBU.
And S220, inquiring whether the OBU has a vehicle running record.
The vehicle driving record comprises at least one road side unit record, and the road side unit information is relevant information when the vehicle passes through the road side unit, such as passing time, position, number, type and the like of the road side unit. The roadside unit sets up on the portal frame of road top, and the OBU carries out data interaction with the RSU of setting on the portal frame and can realize the ETC and collect fee. During data interaction, the RSU feeds back road side unit information currently passed by the OBU to the OBU so that the OBU can record the driving track of the vehicle.
Specifically, the processor inquires whether the OBU has a vehicle running record for ETC payment after receiving a power-off control instruction for controlling the OBU to be powered off, which is triggered by a user, and then determines whether to control the OBU to be powered off according to an inquiry result.
And S230, if so, controlling whether the OBU is powered off or not according to the vehicle running record.
Specifically, if the processor inquires that the OBU has a vehicle running record for ETC payment, the vehicle running record is further checked and analyzed, and whether the OBU is allowed to be powered off or not under the current vehicle running scene is determined so as to correspondingly determine whether the processor controls the power off of the OBU or not. If the processor inquires that the OBU does not have a vehicle running record for ETC payment, the processor directly controls the OBU to power off.
In this embodiment, the processor in the OBU receives a power-off control instruction for controlling the power-off of the OBU, and inquires whether the OBU has a vehicle running record, and if so, controls whether the OBU is powered off according to the vehicle running record, so that the power-off control of the OBU is realized, and the power loss of the OBU to the vehicle storage battery is reduced.
In one embodiment, the rsu records include an entry record and an exit record, as shown in fig. 3, S230 includes:
and S310, judging whether each entrance record in the vehicle running records has a corresponding exit record.
The entrance record is used for representing the record information of the vehicle passing through the entrance roadside unit, and the exit record is used for representing the record information of the vehicle passing through the exit roadside unit. The inlet road side unit is a road side unit arranged on a portal frame at the starting point of the highway section, and the outlet road side unit is a road side unit arranged on a portal frame at the finishing point of the highway section.
Specifically, if each entry record in the vehicle driving record has a corresponding exit record, the vehicle is characterized to complete ETC passage, and the OBU is allowed to be powered off in the vehicle driving scene. For example, a vehicle drives into an entry road-side unit of a certain highway segment and drives out an exit road-side unit of the corresponding highway segment. If the entrance records in the vehicle driving records have no corresponding exit records, the fact that the vehicle does not complete ETC passage is represented, and the OBU is prohibited from powering off in the vehicle driving scene. For example, a vehicle enters an entry-side road unit for a certain highway segment and has not yet exited an exit-side unit for the corresponding highway segment.
Optionally, the processor may obtain the number of all entrance records and the number of exit records in the vehicle driving record, judge whether the number of the entrance records and the number of the exit records are equal, and determine whether the vehicle completes complete ETC passage according to the judgment result. If the number of the entrance records is equal to the number of the exit records, each entrance record is determined to have a corresponding exit record, and the vehicle completes complete ETC passage. And if not, namely the number of the entrance records is not equal to that of the exit records, determining that no corresponding exit records exist in the entrance records, namely the vehicle does not complete ETC passage.
Optionally, the processor may further obtain a road side unit record corresponding to a passing time closest to the current time in the vehicle driving record, determine whether the road side unit record is an exit record, and determine whether the vehicle has completed a complete ETC passage according to a determination result. If the road side unit record corresponding to the passing time closest to the current time is the exit record, determining that each entry record has the corresponding exit record, namely the vehicle finishes complete ETC passage. And if not, namely the road side unit record corresponding to the passing time closest to the current time is not the exit record, determining that no corresponding exit record exists in the entrance record, namely the vehicle does not complete the complete ETC passage.
And S320, if so, controlling the OBU to power down.
Specifically, if each entry record in the road side unit record of the vehicle driving record has a corresponding exit record, the complete ETC passage of the vehicle is represented, the OBU is allowed to be powered off, and the processor controls the power off of the OBU in response to a power off control command triggered by a user.
Optionally, the processor may further determine, after receiving a power-off control instruction for controlling powering off of the OBU, whether a roadside unit record corresponding to a passing time closest to the current time is an entry record, if so, obtain a vehicle running duration between the current time and the passing time closest to the current time, and if the vehicle running duration is greater than a preset duration, control powering off of the OBU, and generate a temporary power-off record in the vehicle running record. For example, scenario 1: some roads are provided with an entrance road side unit for recording the running track of the vehicle, and there is no middle free flow road side unit and an exit road side unit, after the user drives the vehicle to pass through the entrance road side unit, an entrance record is correspondingly generated in the OBU, after the OBU receives a power-off control instruction triggered by the user, the OBU acquires the current time, and judges whether the running time of the vehicle between the current time and the time of passing through the entrance road side unit in the entrance record is greater than the preset time, such as 2 h. If yes, controlling the OBU to power off; if not, the OBU is prohibited from powering down. Scenario 2: in the power-on state of the OBU, after a user drives a vehicle to pass through an entrance road side unit of a certain highway section, correspondingly generating an entrance record in the OBU, after the vehicle runs for a period of time, the user drives the vehicle into a service area to rest, and triggers a power-off control command, after the OBU receives the power-off control command triggered by the user, acquiring the current time, and judging whether the vehicle running time between the current time and the time of passing through the entrance road side unit in the entrance record is greater than the preset time, if so, controlling the power-off of the OBU; if not, the OBU is prohibited from powering down. After the OBU is controlled to be powered off, a temporary power-off record is correspondingly generated in the vehicle running record and can be used for recording the power-off time.
In this embodiment, the processor in the OBU determines whether the vehicle has completed a complete ETC passage by determining whether each entry record in the road side unit record of the vehicle driving record has a corresponding exit record, so as to determine whether the OBU is allowed to power down in the current vehicle driving scene. Whether each entry record in the vehicle driving record has a corresponding exit record or not can be determined by judging whether the number of all entry records in the road side unit record is equal to the number of the exit records or not and judging whether the road side unit record corresponding to the passing time closest to the current time is the exit record or not, the judging mode is simple and easy to realize, the data processing process of the processor for calling the vehicle driving record is rapid, and the overall OBU control efficiency is improved.
In an embodiment, the OBU control method further includes power-on control of the OBU, as shown in fig. 4, specifically including the following steps:
and S410, receiving a power-on control instruction for controlling the OBU to be powered on, and controlling the OBU to enter a standby state from a current power-off state according to the power-on control instruction.
As shown in fig. 5, the OBU is provided with a trigger switch, and further includes a main control module, a radio frequency module, and a power module. The vehicle storage battery supplies power to the power module of the OBU through the power inlet, and the power module is used for supplying power to the main control module and the radio frequency module of the OBU. The trigger switch controls the power supply module to supply power or cut off power to the radio frequency module through the main control module so as to realize power-on control and power-off control of the OBU. Wherein, the main control module is the processor of the OBU. The aforementioned power-off control command may be a control command input by a user by triggering the trigger switch. Correspondingly, when the OBU is powered on, the power-on control command may also be a control command input by the user by triggering the trigger switch.
Specifically, after receiving a power-on control instruction input by a user through triggering the trigger switch, the processor controls the vehicle storage battery to electrify the OBU according to the power-on control instruction so as to switch the OBU from a power-off state to a standby state waiting for awakening.
And S420, receiving the type of the road side unit to be passed by the vehicle sent by the road side unit.
And S430, determining whether to control the OBU to enter a working state from a standby state and respond to the road side unit according to the type of the road side unit through which the vehicle passes.
Specifically, when the vehicle runs into a signal coverage range of a Road Side Unit (RSU), the processor receives a road side unit type to be passed by the vehicle sent by the RSU, and determines whether the OBU is allowed to work under a current vehicle running scene according to the received road side unit type to be passed by the vehicle, so as to correspondingly determine whether the processor controls the OBU to enter a working state and respond to the RSU. Wherein whether the OBU is allowed to operate depends on whether the vehicle currently has an unfinished ETC passage. If yes, allowing the OBU to work, namely controlling the OBU to enter a working state by the processor and responding to the RSU; and if the OBU does not exist, the OBU is forbidden to work, namely the processor forbids the OBU to enter a working state and forbids to respond to the RSU.
Further, if the type of the road side unit through which the vehicle passes is an entrance road side unit, the characteristic that the user has completed the complete ETC passage and prepares to enter the next ETC passage, the processor allows the OBU to work, controls the OBU to enter the working state from the standby state and responds to the road side unit.
Optionally, if the type of the road side unit through which the vehicle passes is not an entrance road side unit, the processor further determines whether the vehicle driving record corresponding to the record time closest to the current time is a temporary power-off record. If yes, the OBU is controlled to enter a working state from a standby state, and the road side unit is responded; and if not, forbidding the OBU from entering the working state from the standby state, and forbidding the response road side unit. For example, in the case that the OBU has scenario 1 or scenario 2, after the OBU is powered off halfway, when the OBU passes through a subsequent roadside unit, such as an egress roadside unit, the OBU may be controlled to be powered on, enter the operating state, and continue to perform the ETC passage in response to the egress roadside unit.
In this embodiment, a processor in the OBU receives an electrification control instruction for controlling electrification of the OBU, controls the OBU to enter a standby state from a current electrification state according to the electrification control instruction, receives a type of a roadside unit through which a vehicle is to pass, and determines whether to control the OBU to enter a working state from the standby state and respond to the roadside unit according to the type of the roadside unit through which the vehicle is to pass, so that electrification control over the OBU is realized.
In one embodiment, in order to ensure the reliability of the OBU, after the processor controls the OBU to be powered on, as shown in fig. 6, the method further includes performing tamper verification on the OBU, which specifically includes the following steps:
s610, obtaining the anti-disassembly state of the OBU.
Wherein the tamper status of the OBU is used to characterize whether the OBU is detached.
And S620, if the anti-disassembly state is invalid, sending out an invalid prompt.
S630, if the anti-dismounting state is effective, the step of receiving the type of the road side unit to be passed by the vehicle sent by the road side unit is executed.
Specifically, the processor acquires the anti-disassembly state of the OBU, and determines whether to further electrically control the OBU according to the anti-disassembly state of the OBU. Wherein, if OBU's the state of preventing tearing open became invalid, the representation OBU was dismantled, and OBU becomes unreliable, and the treater then controls OBU and sends out the suggestion of becoming invalid, if open the warning light, shows the text suggestion that OBU has become invalid in OBU display screen department. If the tamper status of the OBU is valid, S420 is continuously executed to further electrically control the OBU.
In this embodiment, after the processor in the OBU controls the OBU to be powered on, before receiving the type of the roadside unit through which the vehicle sent by the roadside unit is to pass, the OBU is subjected to the anti-disassembly check, so as to ensure the reliability of the OBU, and further improve the accuracy of OBU control.
The OBU control method comprises power-off control and power-on control of the OBU, and can be particularly applied to the application scenarios in the following table 1.
Table 1 relation table of application scene and OBU state
The free flow road side unit is a road side unit between the inlet road side unit and the outlet road side unit. A1 indicates that the OBU is in a power-up state and a 0 indicates that the OBU is in a power-down state.
Scenario 1 represents: when the vehicle passes through the inlet road side unit, a user triggers a power-off control command in advance, and the OBU keeps a power-off state when passing through the inlet road side unit, the free flow path side unit and the outlet road side unit. The vehicle passes through the corresponding road section through manual payment.
Scenario 2 represents: when the vehicle passes through the inlet road side unit, a user triggers a power-off control command in advance, and the OBU passes through the inlet road side unit and the free flow path side unit in a power-off state. Before the vehicle passes through the exit road side unit, a user triggers an electrifying control instruction to switch the OBU from an electrifying state to an electrifying state, however, because the type of the road side unit to be passed is the exit road side unit, a processor in the OBU prohibits the OBU from entering a working state, and the OBU passes through the exit road side unit in the electrifying state and is in a standby state in the electrifying state. The vehicle passes through the corresponding road section through manual payment.
Scenario 3 represents: when a vehicle passes through the inlet road side unit, a user triggers a power-off control instruction in advance, the OBU passes through the inlet road side unit in a power-off state, before the vehicle passes through the free flow path side unit, the user triggers a power-on control instruction to switch the OBU from the power-off state to a power-on state, however, as the type of the road side unit to be passed is the free flow path side unit, a processor in the OBU prohibits the OBU from entering a working state, and the OBU passes through the free flow path side unit in the power-on state and is in a standby state in the power-on state. Before the vehicle passes through the exit road side unit, a user triggers a power-off control command, a processor in the OBU inquires a vehicle running record of the OBU, and confirms that the vehicle finishes complete ETC passage, and then the OBU is controlled to be switched from a power-on state to a power-off state and passes through the exit road side unit in the power-off state. The vehicle passes through the corresponding road section through manual payment.
Scenario 4 represents: when a vehicle passes through an inlet road side unit, a user triggers a power-off control instruction in advance, an OBU passes through the inlet road side unit in a power-off state, before the vehicle passes through a free flow path side unit, the user triggers a power-on control instruction to switch the OBU from the power-off state to a power-on state, a processor in the OBU prohibits the OBU from entering a working state due to the fact that the type of the road side unit to be passed is the free flow path side unit, and the OBU passes through the free flow path side unit in the power-on state and is in a standby state in the power-on state. Before the vehicle passes through the outlet road-side unit in the power-on state, the processor in the OBU prohibits the OBU from entering the working state because the road-side unit to be passed is the outlet road-side unit, and the OBU passes through the free flow road-side unit in the power-on state and is also in the standby state in the power-on state. The vehicle passes through the corresponding road section through manual payment.
Scenes 5-9 represent: and the OBU defaults to a power-on state, before the vehicle passes through the entrance road side unit, a processor in the OBU confirms that the type of the road side unit to be passed by the vehicle is the entrance road side unit, and then the OBU is controlled to enter a working state, passes through the entrance road side unit in the power-on state and is in the working state in the power-on state. Before the vehicle passes through the free flow path side unit, a user triggers a power-off control command, a processor in the OBU inquires a vehicle running record of the OBU, and confirms that the vehicle does not complete ETC passage, the OBU must pass through the free flow path side unit and the exit path side unit (scenes 8-9) in a power-on state, and the OBU is forbidden to be in a power-off state (scenes 5-7) when passing through the free flow path side unit and/or the exit path side unit. The vehicle automatically pays through the ETC and passes through the corresponding road section. If the time length between the current time when the OBU detects that the user triggers the power-off control command and the time when the OBU passes through the entrance road side unit in the last entrance record is greater than the preset time length, allowing the OBU to power off temporarily (scenes 5-7).
It should be understood that although the various steps in the flow charts of fig. 1-6 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 1-6 may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed in turn or alternately with other steps or at least some of the other steps.
In one embodiment, an OBU is provided, the internal structure of which may be as shown in fig. 7, including a trigger switch, a processor connected via a system bus, a memory, a communication interface, a display screen, and an input device. Wherein the processor of the OBU is configured to provide computing and control capabilities. The memory of the OBU comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The communication interface of the OBU is used for performing wired or wireless communication with an external terminal, and the wireless communication can be realized through WIFI, an operator network, NFC (near field communication) or other technologies. The computer program is executed by a processor to implement an OBU control method. The display screen of the OBU can be a liquid crystal display screen or an electronic ink display screen, and the input device of the OBU can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the OBU, an external keyboard, a touch pad or a mouse and the like.
The trigger switch is used for receiving a power-down control instruction for controlling the power-down of the OBU and transmitting the power-down control instruction to the processor; the processor, when executing the computer program, implements the steps of:
receiving a power-off control instruction for controlling the OBU to power off; inquiring whether the OBU has a vehicle running record; wherein the vehicle driving record comprises at least one road side unit record; and if so, controlling whether the OBU is powered off or not according to the vehicle running record.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
judging whether each entry record in the vehicle driving records has a corresponding exit record; and if so, controlling the OBU to power down.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
judging whether the number of the entrance records is equal to that of the exit records; if so, each entry record is determined to have a corresponding exit record.
In one embodiment, the rsu record includes an entry record, and the processor when executing the computer program further performs the steps of:
judging whether the road side unit record corresponding to the passing time closest to the current time is an entrance record; if so, acquiring the vehicle running time between the current moment and the passing moment closest to the current moment; and if the vehicle running time is longer than the preset time, controlling the OBU to power off, and generating a temporary power off record in the vehicle running record.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
judging whether the road side unit record corresponding to the passing time closest to the current time is an exit record; if so, each entry record is determined to have a corresponding exit record.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
receiving a power-on control instruction for controlling the OBU to be powered on, and controlling the OBU to enter a standby state from a current power-off state according to the power-on control instruction; receiving the type of the road side unit to be passed by the vehicle sent by the road side unit; and determining whether to control the OBU to enter a working state from a standby state and respond to the road side unit according to the type of the road side unit through which the vehicle passes.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
and if the type of the road side unit to be passed by the vehicle is an inlet road side unit, controlling the OBU to enter a working state from a standby state and responding to the road side unit.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
if the type of the road side unit through which the vehicle passes is not an entrance road side unit, judging whether a vehicle driving record corresponding to a record time closest to the current time is a temporary power-off record; if yes, the OBU is controlled to enter a working state from a standby state, and the road side unit is responded; and if not, forbidding the OBU from entering the working state from the standby state, and forbidding the response road side unit.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
acquiring the anti-disassembly state of the OBU; if the anti-disassembly state is invalid, sending out a failure prompt; and if the anti-dismounting state is effective, executing the step of receiving the type of the road side unit which is sent by the road side unit and is to be passed by the vehicle.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
and receiving a power-off control instruction input by a user through triggering the trigger switch.
For the specific definition of the OBU, reference may be made to the above definition of the OBU control method, which is not described herein again. The various modules in the OBU described above may be implemented in whole or in part by software, hardware, and combinations thereof. The modules can be embedded in a hardware form or independent of a processor in the OBU, and can also be stored in a memory in the OBU in a software form, so that the processor can call and execute operations corresponding to the modules.
Those skilled in the art will appreciate that the configuration shown in fig. 7 is a block diagram of only a portion of the configuration associated with the subject application and does not constitute a limitation on the OBU to which the subject application is applied, and that a particular OBU may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, an ETC system is provided, comprising a roadside unit and the OBU described above.
In one embodiment, a vehicle is provided that includes the OBU described above.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
receiving a power-off control instruction for controlling the OBU to power off; inquiring whether the OBU has a vehicle running record; wherein the vehicle driving record comprises at least one road side unit record; and if so, controlling whether the OBU is powered off or not according to the vehicle running record.
In one embodiment, the roadside unit records include an entry record and an exit record; the computer program when executed by the processor further realizes the steps of:
judging whether each entry record in the vehicle driving records has a corresponding exit record; and if so, controlling the OBU to power down.
In one embodiment, the computer program when executed by the processor further performs the steps of:
judging whether the number of the entrance records is equal to that of the exit records; if so, each entry record is determined to have a corresponding exit record.
In one embodiment, the computer program when executed by the processor further performs the steps of:
judging whether the road side unit record corresponding to the passing time closest to the current time is an exit record; if so, each entry record is determined to have a corresponding exit record.
In one embodiment, the rsu record comprises an entry record, and the computer program when executed by the processor further performs the steps of:
judging whether the road side unit record corresponding to the passing time closest to the current time is an entrance record; if so, acquiring the vehicle running time between the current moment and the passing moment closest to the current moment; and if the vehicle running time is longer than the preset time, controlling the OBU to power off, and generating a temporary power off record in the vehicle running record.
In one embodiment, the computer program when executed by the processor further performs the steps of:
receiving a power-on control instruction for controlling the OBU to be powered on, and controlling the OBU to enter a standby state from a current power-off state according to the power-on control instruction; receiving the type of the road side unit to be passed by the vehicle sent by the road side unit; and determining whether to control the OBU to enter a working state from a standby state and respond to the road side unit according to the type of the road side unit through which the vehicle passes.
In one embodiment, the computer program when executed by the processor further performs the steps of:
and if the type of the road side unit to be passed by the vehicle is an inlet road side unit, controlling the OBU to enter a working state from a standby state and responding to the road side unit.
In one embodiment, the computer program when executed by the processor further performs the steps of:
if the type of the road side unit through which the vehicle passes is not an entrance road side unit, judging whether a vehicle driving record corresponding to a record time closest to the current time is a temporary power-off record; if yes, the OBU is controlled to enter a working state from a standby state, and the road side unit is responded; and if not, forbidding the OBU from entering the working state from the standby state, and forbidding the response road side unit.
In one embodiment, the computer program when executed by the processor further performs the steps of:
acquiring the anti-disassembly state of the OBU; if the anti-disassembly state is invalid, sending out a failure prompt; and if the anti-dismounting state is effective, executing the step of receiving the type of the road side unit which is sent by the road side unit and is to be passed by the vehicle.
In one embodiment, the OBU is provided with a trigger switch, the computer program when executed by the processor further realizing the steps of:
and receiving a power-off control instruction input by a user through triggering the trigger switch.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include at least one of non-volatile and volatile memory. Non-volatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical storage, or the like. Volatile Memory can include Random Access Memory (RAM) or external cache Memory. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (14)
1. An OBU control method, the method comprising:
receiving a power-off control instruction for controlling the OBU to power off;
inquiring whether the OBU has a vehicle running record; wherein the vehicle driving record comprises at least one road side unit record;
and if so, controlling whether the OBU is powered off or not according to the vehicle running record.
2. The method of claim 1, wherein the rsu records include an entry record and an exit record; whether the OBU is powered off or not is controlled according to the vehicle running record, and the method comprises the following steps:
judging whether each entry record in the vehicle driving records has a corresponding exit record;
and if so, controlling the OBU to power down.
3. The method of claim 2, wherein said determining whether each entry record in the vehicle travel records has a corresponding exit record comprises:
judging whether the number of the entrance records is equal to that of the exit records;
if so, each entry record is determined to have a corresponding exit record.
4. The method of claim 2, wherein said determining whether each entry record in the vehicle travel records has a corresponding exit record comprises:
judging whether the road side unit record corresponding to the passing time closest to the current time is an exit record;
if so, each entry record is determined to have a corresponding exit record.
5. The method of claim 1, wherein the rsu records comprise an entry record; whether the OBU is powered off or not is controlled according to the vehicle running record, and the method comprises the following steps:
judging whether the road side unit record corresponding to the passing time closest to the current time is the entrance record or not;
if so, acquiring the vehicle running time between the current moment and the passing moment closest to the current moment;
and if the vehicle running time is longer than the preset time, controlling the OBU to power off, and generating a temporary power off record in the vehicle running record.
6. The method of claim 5, further comprising:
receiving a power-on control instruction for controlling the power-on of an OBU, and controlling the OBU to enter a standby state from a current power-off state according to the power-on control instruction;
receiving the type of the road side unit to be passed by the vehicle sent by the road side unit;
and determining whether to control the OBU to enter a working state from a standby state and respond to the road side unit according to the type of the road side unit through which the vehicle passes.
7. The method of claim 6, wherein determining whether to control the OBU from a standby state to an operational state and to respond to the RSU according to the RSU type of the vehicle to pass comprises:
and if the type of the road side unit through which the vehicle passes is an inlet road side unit, controlling the OBU to enter the working state from the standby state and responding to the road side unit.
8. The method of claim 7, further comprising:
if the type of the road side unit through which the vehicle passes is not the entrance road side unit, judging whether a vehicle running record corresponding to a record time closest to the current time is the temporary power-off record or not;
if yes, controlling the OBU to enter the working state from the standby state, and responding to the road side unit;
and if not, forbidding the OBU from entering the working state from the standby state, and forbidding to respond to the road side unit.
9. The method of claim 6, further comprising, prior to receiving the rsu type sent by the rsu that the vehicle is to pass through:
acquiring the anti-disassembly state of the OBU;
if the anti-disassembly state is invalid, sending out a failure prompt;
and if the anti-dismounting state is effective, executing the step of receiving the type of the road side unit to be passed by the vehicle sent by the road side unit.
10. The method according to any of claims 1-5, wherein the OBU is provided with a trigger switch, and the receiving of a power-down control instruction for controlling the power-down of the OBU comprises:
and receiving the power-off control instruction input by a user through triggering the trigger switch.
11. An OBU, comprising a trigger switch, a memory, and a processor, the memory storing a computer program,
the trigger switch is used for receiving a power-off control instruction for controlling the power-off of the OBU and transmitting the power-off control instruction to the processor;
the processor, when executing the computer program, realizes the steps of the method of any one of claims 1 to 10.
12. An ETC system comprising a roadside unit and the OBU of claim 11.
13. A vehicle comprising the OBU of claim 11.
14. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 10.
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| CN202011601586.9A CN112669475B (en) | 2020-12-29 | 2020-12-29 | OBU control method, OBU, ETC system, vehicle, and storage medium |
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