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A vehicle-mounted unit data writing method, device and system, and vehicle-mounted unit

A vehicle-mounted unit and data writing technology, applied in the field of intelligent transportation, can solve problems such as low issuance efficiency and large issuance pressure, and achieve the effect of improving issuance efficiency

Active Publication Date: 2021-12-24
TENDYRON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, all the existing OBU distribution equipment adopts a one-to-one distribution method, that is, one distribution device can only issue one OBU at a time, and the general OBU packaging method is dozens of OBUs per box, and the existing technology is used for distribution. It is necessary to take out the OBUs one by one after unpacking, and use the distribution equipment to issue the OBUs one by one, which is inefficient.
As the ETC system is more and more widely used, there are more and more OBU users. This method of OBU issuance has caused great pressure on issuance.

Method used

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  • A vehicle-mounted unit data writing method, device and system, and vehicle-mounted unit
  • A vehicle-mounted unit data writing method, device and system, and vehicle-mounted unit
  • A vehicle-mounted unit data writing method, device and system, and vehicle-mounted unit

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Experimental program
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Embodiment 1

[0034] This embodiment provides a method for writing data in a vehicle-mounted unit. The vehicle-mounted unit data writing method provided in this embodiment adopts a vehicle-mounted unit data writing system, figure 1 It is a block diagram of the on-board unit data writing system. figure 2 It is a flow chart of the data writing method of the vehicle-mounted unit. Such as figure 2 As shown, the system includes: a vehicle-mounted unit data writing device (hereinafter simply referred to as a host computer) and N vehicle-mounted units. That is to say, one host computer can control to write data to N vehicle-mounted units (vehicle-mounted units of one packing box).

[0035] Such as figure 1 As shown, the vehicle-mounted unit data writing method includes the following steps:

[0036] S101, the host computer obtains N pieces of data to be written, wherein each piece of data to be written includes at least: a serial number and a MAC address, N≥2 and is a natural number;

[003...

Embodiment 2

[0090] This embodiment provides a data writing system for a vehicle-mounted unit. Such as figure 1 As shown, the system includes: a vehicle-mounted unit data writing device and N vehicle-mounted units. This embodiment also provides a data writing device for the on-board unit, Figure 4 It is a structural schematic diagram of the vehicle unit data writing device. This embodiment also provides a vehicle-mounted unit, Figure 5 It is a schematic diagram of the structure of the on-board unit. Combine below figure 1 , Figure 4 and Figure 5 A detailed description will be given of the data writing system for the on-board unit.

[0091] Such as Figure 4 As shown, the vehicle unit data writing device includes: a first acquisition module 401 , a second acquisition module 402 , a wake-up trigger module 403 , a 5.8GHz communication module 404 and a processing module 405 . in:

[0092] The first obtaining module 401 is used to obtain N data to be written, wherein each data to be...

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Abstract

The invention provides a method, device and system for writing data in an on-board unit, and the on-board unit. The method includes: a host computer obtains N pieces of data to be written; obtains a write instruction, and wakes up the N on-board units; each on-board unit is woken up After receiving the inquiry instruction, record the respective wake-up time; the host computer broadcasts the inquiry instruction; each vehicle-mounted unit determines the time to receive the inquiry instruction, and sends the respective wake-up time at an interval of waiting time after receiving the inquiry instruction, and the waiting time is the time when the inquiry instruction is received. The difference from the wake-up time; the host computer receives the wake-up time of each on-board unit, and associates one of the N data to be written for the wake-up time of each on-board unit; the host computer broadcasts the written data, and the written data includes: each on-board unit The wake-up time of the unit and the data to be written associated with it; each vehicle-mounted unit obtains the data to be written associated with the respective wake-up time from the write data, and writes it. One host computer writes data for multiple vehicle-mounted units at the same time, improving the issuance efficiency.

Description

technical field [0001] The invention relates to the field of intelligent transportation, in particular to a data writing method, device and system for a vehicle-mounted unit, and a vehicle-mounted unit. Background technique [0002] In order to save the time of parking and paying fees for vehicles traveling on expressways, ETC (Electronic Toll Collection, non-stop electronic toll collection system) has been widely used. ETC mainly includes OBU (On Board Unit, on-board unit) and RSU (Road Side Unit, roadside unit). [0003] In the ETC system, the issuance of OBU is an important part of the ETC system. The issuance of OBU mainly refers to the information initialization of OBU, including writing some data into OBU, such as loading keys and writing system information. [0004] At present, all the existing OBU distribution equipment adopts a one-to-one distribution method, that is, one distribution device can only issue one OBU at a time, and the general OBU packaging method is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G07B15/06G06F8/65
CPCG07B15/06G06F8/65
Inventor 李东声
Owner TENDYRON CORP
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