CN103118071A - Automobile maintenance method utilizing ZigBee wireless network for intelligent motorcade - Google Patents
Automobile maintenance method utilizing ZigBee wireless network for intelligent motorcade Download PDFInfo
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- CN103118071A CN103118071A CN2013100035059A CN201310003505A CN103118071A CN 103118071 A CN103118071 A CN 103118071A CN 2013100035059 A CN2013100035059 A CN 2013100035059A CN 201310003505 A CN201310003505 A CN 201310003505A CN 103118071 A CN103118071 A CN 103118071A
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Abstract
The invention provides an automobile maintenance method utilizing a ZigBee wireless network for an intelligent motorcade. The automobile maintenance method comprises the following steps. Firstly, a terminal device is provided, and the terminal device comprises a controller, a storage unit, a diagnose interface and a first ZigBee communication module. Secondly, a management center is provided, and the management center comprises a host, a second ZigBee communication module and a data storage module. Thirdly, a to-be-maintained automobile is provided, and the automobile is provided with electric control systems and an automobile bus. Fourthly, the diagnose interface is in electric connection with the automobile bus, the terminal device is started, and the terminal device obtains diagnose data currents of all the electric control systems of the automobile, analyses specific data, and packages the data so as to form a data package. Fifthly, the management center is started to build a ZigBee local area network, and the terminal device transmits the data package to the management center. Sixthly, the host of the management center processes the received data package. The automobile maintenance method utilizing the ZigBee wireless network for the intelligent motorcade is safe, reliable, flexible in networking, and low in cost.
Description
Technical field
The present invention relates to field of vehicle diagnostics, relate in particular to the vehicle maintenance management method of intelligent fleet.
Background technology
Zigbee is based on a low-power consumption territory fidonetFido of IEEE802.15.4 standard.The wireless communication technology of a kind of short distance, low-power consumption according to the technology of this agreement regulation.This title derives from the Eight characters dance of honeybee, due to honeybee (bee) be by circle in the air and " drone " " dancing " of shaking wing to transmit pollen place azimuth information with the companion (zig), that is to say that honeybee relies on such mode to consist of the communication network in the colony.Be characterized in closely, low complex degree, self-organizing, low-power consumption, low data rate, low cost.Mainly be suitable for automatically controlling and remote control field, can embed various device.In brief, ZigBee is exactly a kind of cheap, the near radio networking mechanics of communication of low-power consumption.
Along with society is fast-developing, automobile has become the requisite vehicles in people's life.Have the company of a large amount of vehicles for logistics company, this class of public transport company, vehicle is even more important, and is its most important operation instrument.It is particularly important that increasing of vehicle, its maintenance management just become, and is to guarantee safety and health important means cheaply.In the company that has in a large number vehicle, the regular maintenance of vehicle is an important process, the maintenance of these vehicles is directly connected to the operation situation of these companies, the maintenance cost of vehicle is also an important spending of this class company, is very important to the understanding of vehicle vehicle condition.
Summary of the invention
The object of the present invention is to provide a kind of vehicle maintenance method of intelligent fleet of the ZigBee of employing wireless network, adopt ZigBee technology to set up wireless communication networks, control strategy is flexible, and communication security is reliable, and networking flexibility and cost are low, and is maintainable strong.
For achieving the above object, the invention provides a kind of vehicle maintenance method of intelligent fleet of the ZigBee of employing wireless network, comprise the following steps:
Step 1, provide terminal equipment, this terminal equipment comprises: controller, the memory cell that is electrically connected with this controller, the diagnose interface that is electrically connected with this controller and a ZigBee communication module that is electrically connected with this controller;
The main frame of step 6, this administrative center unpacks the packet that receives, and deposits the data after unpacking in the data storage module, and the while is also analyzed, and provides corresponding control measures.
Described administrative center also comprises: the input module and the output module that are electrically connected with main frame respectively.
Described memory cell is pre-stored analysis protocol and data packing agreement, in described step 4, controller calls analysis protocol from memory cell diagnostic data stream is resolved, and from memory cell calling data packing agreement, the concrete data that parse is packed.
The described concrete data that parse comprise: oil pressure parameter, hydraulic pressure parameter and diagnostic trouble code.
The corresponding a plurality of terminal equipments of each administrative center, this administrative center is as network coordinator, and these a plurality of terminal equipments add network by network coordinator, form a star-network.
Described this administrative center is arranged on all vehicles processes that need to safeguard or the place of stopping as required.
Described administrative center is located at garage or the parking lot of automobile.
Control measures in described step 6 are: to the vehicle that notes abnormalities, propose to carry out the early warning of maintaining.
beneficial effect of the present invention: the present invention adopts the vehicle maintenance method of the intelligent fleet of ZigBee wireless network to adopt ZigBee technology to set up cordless communication network, when the automobile that is mounted with terminal equipment drives into the communication range of administrative center, terminal equipment sends to administrative center by wireless network with the diagnostic data of each electric-control system of automobile, administrative center analyzes according to those diagnostic datas, provide corresponding control measures, this cordless communication network in use produces without any other expenditure, compare with employing 2G or 3G network, can cut operating costs significantly, and reliable communications, networking is very flexible, the management system of using the method is not relevant with other any third party, maintainable strong, and control strategy is flexible, fail safe is very high, can effectively protect significant data not revealed.
In order further to understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet accompanying drawing only provide with reference to and the explanation use, the present invention is limited.
Description of drawings
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention is described in detail, will make technical scheme of the present invention and other beneficial effect apparent.
In accompanying drawing,
Fig. 1 is the flow chart of the vehicle maintenance method of the present invention intelligent fleet of adopting the ZigBee wireless network;
Fig. 2 is for using the structure chart of fleet vehicle maintenance system of the present invention.
Embodiment
Technological means and the effect thereof taked for further setting forth the present invention are described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
See also Fig. 1 and 2, the invention provides a kind of vehicle maintenance method of intelligent fleet of the ZigBee of employing wireless network, comprise the following steps:
Step 1, provide terminal equipment 20, this terminal equipment 20 comprises: controller 22, the memory cell 28 that is electrically connected with this controller 22, the diagnose interface 24 that is electrically connected with this controller 22 and a ZigBee communication module 26 that is electrically connected with this controller 22;
Described memory cell 28 is pre-stored the agreements such as analysis protocol and data packing agreement, this controller 22 can call relevant agreement the vehicle diagnosis data flow is processed from memory cell 28, this diagnose interface 24 is used for being connected with vehicle 60, and this terminal equipment 20 is installed on vehicle 60.
Described administrative center 40 also comprises: the input module 49 and the output module 48 that are electrically connected with main frame 42 respectively, this output module 48 and input module 49 are used for external equipment, this administrative center 40 is carried out relevant parameter set or derive the data that are stored in data storage module 44.
The corresponding a plurality of terminal equipments 20 of each administrative center 40, this just makes each administrative center 40 can manage many vehicles 60, the 2nd ZigBee communication module 46 nodes of this administrative center 40 are as network coordinator, these a plurality of terminal equipments 20 add network by network coordinator, form a star-network.When the network coordinator of administrative center 40 is selected a channel and a territory net identifier (PANID) and started, just set up a ZigBee local area network (LAN) (PAN).In case network coordinator has started PAN, in vehicle 60 enters the communication range of this network, the one ZigBee communication module 26 of terminal equipment 20 is carried out networking and adds the ZigBee local area network (LAN) according to the communication protocol of ZigBee as node, adds the node of ZigBee local area network (LAN) to carry out information interaction with network coordinator.
Described administrative center 40 is arranged on all vehicles processes that need to safeguard or the place of stopping as required.Preferably, described administrative center 40 is located at the places such as the garage of automobile or parking lot.
Those electric-control systems mainly comprise transducer, controller and actuator.
In this step, described controller 22 calls analysis protocol from memory cell 28 diagnostic data stream is resolved, and obtains the concrete data of vehicle diagnostics, and the described concrete data that parse comprise: the parameters such as oil pressure parameter, hydraulic pressure parameter and diagnostic trouble code.Described controller 22 is packed to the concrete data that parse from memory cell 28 calling data packing agreements, when terminal equipment 20 does not access the ZigBee local area network (LAN), packet is stored in memory cell 28.
Communication distance between described administrative center 40 and vehicle 60 is determined by first, second Zigbee communication module 26,46 performance.If vehicle 60(terminal equipment 40) not in ZigBee local area network communication scope, a ZigBee communication module 26 and the 2nd ZigBee communication module 46 communication connections are set up unsuccessfully; If vehicle 60(terminal equipment 20) in ZigBee local area network communication scope, a ZigBee communication module 26 and the 2nd ZigBee communication module 46 communication connections are successfully established.
This memory cell 28 stores relevant communication protocol in advance, and described terminal equipment 20 calls this communication protocol from memory cell 28, packet is transmitted to administrative center 40 according to this communication protocol.
42 pairs of packets that receive of the main frame of step 6, this administrative center 40 unpack, and deposit the data after unpacking in data storage module 44, and the while is also analyzed, and provides corresponding control measures.
Control measures in described step 6 are: to the vehicle 60 that notes abnormalities, propose to carry out the early warning of maintaining, can optimize the maintenance management of fleet, 60 utilances of vehicle are provided, and then reduce costs.
in sum, the invention provides a kind of vehicle maintenance method of intelligent fleet of the ZigBee of employing wireless network, adopt ZigBee technology to set up cordless communication network, when the automobile that is mounted with terminal equipment drives into the communication range of administrative center, terminal equipment sends to administrative center by wireless network with the diagnostic data of each electric-control system of automobile, administrative center analyzes according to those diagnostic datas, provide corresponding control measures, this cordless communication network in use produces without any other expenditure, compare with employing 2G or 3G network, can cut operating costs significantly, and reliable communications, networking is very flexible, the management system of using the method is not relevant with other any third party, maintainable strong, and control strategy is flexible, fail safe is very high, can effectively protect significant data not revealed.
The above for the person of ordinary skill of the art, can make other various corresponding changes and distortion according to technical scheme of the present invention and technical conceive, and all these changes and distortion all should belong to the protection range of claim of the present invention.
Claims (8)
1. a vehicle maintenance method that adopts the intelligent fleet of ZigBee wireless network, is characterized in that, comprises the following steps:
Step 1, provide terminal equipment, this terminal equipment comprises: controller, the memory cell that is electrically connected with this controller, the diagnose interface that is electrically connected with this controller and a ZigBee communication module that is electrically connected with this controller;
Step 2, provide an administrative center, this administrative center comprises: main frame, the 2nd ZigBee communication module that is electrically connected with this main frame and the data storage module that is electrically connected with this main frame;
Step 3, the automobile bus that provides vehicle to be safeguarded, this vehicle to have several electric-control systems and be electrically connected with these several electric-control systems;
Step 4, this diagnose interface and automobile bus are electrically connected, start terminal equipment, this terminal equipment obtains the diagnostic data stream of each electric-control system of vehicle by automobile bus, and parses concrete data, the concrete data that parse are carried out the data packing, form packet;
Step 5, start administrative center and set up the ZigBee local area network (LAN), this terminal equipment starts a ZigBee communication module to be attempted establishing a communications link with the 2nd ZigBee communication module, if a ZigBee communication module and the communication connection of the 2nd ZigBee communication module are set up unsuccessfully, this terminal equipment is stored to memory cell with packet, and when the communication connection of a follow-up ZigBee communication module and the 2nd ZigBee communication module is successfully established, will be stored in package forward in memory cell to administrative center; If a ZigBee communication module and the communication connection of the 2nd ZigBee communication module are successfully established, this terminal equipment immediate data bag is transmitted to administrative center;
The main frame of step 6, this administrative center unpacks the packet that receives, and deposits the data after unpacking in the data storage module, and the while is also analyzed, and provides corresponding control measures.
2. the vehicle maintenance method of the intelligent fleet of employing as claimed in claim 1 ZigBee wireless network, is characterized in that, described administrative center also comprises: the input module and the output module that are electrically connected with main frame respectively.
3. the vehicle maintenance method of the intelligent fleet of employing as claimed in claim 1 ZigBee wireless network, it is characterized in that, described memory cell is pre-stored analysis protocol and data packing agreement, in described step 4, controller calls analysis protocol from memory cell diagnostic data stream is resolved, and from memory cell calling data packing agreement, the concrete data that parse is packed.
4. the vehicle maintenance method of the intelligent fleet of employing ZigBee wireless network as claimed in claim 3, is characterized in that, the described concrete data that parse comprise: oil pressure parameter, hydraulic pressure parameter and diagnostic trouble code.
5. the vehicle maintenance method of the intelligent fleet of employing as claimed in claim 1 ZigBee wireless network, it is characterized in that, the corresponding a plurality of terminal equipments of each administrative center, this administrative center is as network coordinator, these a plurality of terminal equipments add network by network coordinator, form a star-network.
6. the vehicle maintenance method of the intelligent fleet of employing ZigBee wireless network as claimed in claim 5, is characterized in that, described this administrative center is arranged on all vehicles processes that need to safeguard or the place of stopping as required.
7. the vehicle maintenance method of the intelligent fleet of employing ZigBee wireless network as claimed in claim 6, is characterized in that, described administrative center is located at garage or the parking lot of automobile.
8. the vehicle maintenance method of the intelligent fleet of employing ZigBee wireless network as claimed in claim 1, is characterized in that, the control measures in described step 6 are: to the vehicle that notes abnormalities, propose to carry out the early warning of maintaining.
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| CN2013100035059A CN103118071A (en) | 2013-01-06 | 2013-01-06 | Automobile maintenance method utilizing ZigBee wireless network for intelligent motorcade |
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| CN2013100035059A CN103118071A (en) | 2013-01-06 | 2013-01-06 | Automobile maintenance method utilizing ZigBee wireless network for intelligent motorcade |
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Cited By (3)
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| CN107004346A (en) * | 2014-12-05 | 2017-08-01 | 奥迪股份公司 | The method that the movement of the vehicle of fleet is formed for coordination |
| CN115474170A (en) * | 2016-02-10 | 2022-12-13 | 北极星工业有限公司 | Method and system for facilitating use of a recreational vehicle, recreational vehicle and user interface |
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| CN115474170A (en) * | 2016-02-10 | 2022-12-13 | 北极星工业有限公司 | Method and system for facilitating use of a recreational vehicle, recreational vehicle and user interface |
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Application publication date: 20130522 |