CN107976691B - Communication method and system between vehicle-mounted terminal, monitoring platform and supervision platform - Google Patents
Communication method and system between vehicle-mounted terminal, monitoring platform and supervision platform Download PDFInfo
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- G—PHYSICS
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- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
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Abstract
The invention provides a communication method and a system among a vehicle-mounted terminal, a monitoring platform and a supervision platform, wherein the communication method comprises the following steps: presetting a forwarding strategy comprising link communication configuration, wherein the link communication configuration comprises a communication protocol type, an access code and basic configuration information of a communication main body corresponding to a communication link to be constructed between every two communication main bodies; establishing a virtual communication link between every two communication bodies according to the link communication configuration; and binding the message data to be transmitted with the access code corresponding to the selected communication link. The invention realizes compatible forwarding. When a new communication main body needs to be accessed, the configuration of a needed communication link can be realized only by adaptively modifying the forwarding strategy, data forwarding is realized according to the configuration, data interaction between the newly accessed communication main body and other communication main bodies is realized, new application does not need to be developed, and development cost and maintenance cost are obviously reduced.
Description
Technical Field
The invention relates to the field of satellite positioning communication of transport vehicles, in particular to a communication method and a communication system among a vehicle-mounted terminal, a monitoring platform and a supervision platform.
Background
In the field of satellite positioning communications for transportation vehicles, the department of transportation has established 808 and 809 two standard transmission protocols. The 808 standard mainly specifies a communication protocol between the vehicle-mounted terminal and the monitoring platform, the protocol is single-link communication, and a link is maintained between the terminal and the monitoring platform; 809 standard stipulates a communication protocol between a monitoring platform and a supervision platform, the protocol is a dual-link communication, a master-slave link needs to be maintained between the monitoring platform and the supervision platform, the master link is initiated by the monitoring platform, the slave link is initiated by the supervision platform, and we are used to call the local monitoring platform as a subordinate monitoring platform and call the external supervision platform as a superior supervision platform. The transmission protocols of the two standards comprise contents such as a communication mode, security authentication, a function realization process, a protocol message format, a data entity format and the like.
The communication mechanism of the vehicle-mounted terminal, the monitoring platform and the supervision platform is as follows: firstly, data are packaged by a vehicle-mounted terminal in a data communication mode based on TCP/IP (transmission control protocol/Internet protocol) in a standard format of 808 protocol and then are actively uploaded to a local monitoring platform, then the local monitoring platform serves as a lower monitoring platform, the data uploaded by the terminal are packaged in a standard format of 809 protocol and then are forwarded to an external monitoring platform, and finally the external monitoring platform serves as an upper monitoring platform to receive the data forwarded by the lower monitoring platform.
At present, the communication mechanism is implemented by making different transmission protocols or different interfacing supervision platforms into different applications, and transmitting and receiving data between the applications through virtual channels established by TCP. Suppose that the current business requirement is that the monitoring platform needs to forward data uploaded by the vehicle-mounted terminal to three upper monitoring platforms, such as a Shanghai platform, a Fujian platform and a Guangdong platform; four applications need to be developed and deployed, wherein the application A supports 808 standard protocols and is used for data interaction between the vehicle-mounted terminal and the monitoring platform; the application B, C, D supports 809 a standard protocol for data interaction between the monitoring platform and the three supervisory platforms, each running independently of the other, communicating via messages.
This implementation has the following disadvantages: 1. with the increase of the customer service scale, vehicles of the monitoring platform may need to be connected with a new upper monitoring platform, the development workload is increased continuously, a set of similar applications needs to be developed every time an upper monitoring platform needing to be connected is added, and 100 monitoring platforms need to be developed for 100 applications. 2. If the traffic department requires to upgrade the standard protocol standard, the change amount of the monitoring platform is very large, and the maintenance is not facilitated. 3. From the aspect of operation and maintenance, the overhead of server resources is increased, and operation and maintenance personnel need to monitor the operation conditions of many applications.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the communication method and the system thereof among the vehicle-mounted terminal, the monitoring platform and the supervision platform are provided, the compatibility of 808 and 809 two transmission protocols is realized, the cost of repeatedly developing the same application is saved, the workload of protocol standard change is reduced, and the operation and maintenance cost is reduced.
In order to solve the technical problems, the invention adopts the technical scheme that:
the communication method among the vehicle-mounted terminal, the monitoring platform and the supervision platform comprises the following steps:
presetting a forwarding strategy comprising link communication configuration, wherein the link communication configuration comprises a communication protocol type, an access code and basic configuration information of a communication main body corresponding to a communication link to be constructed between every two communication main bodies;
establishing a virtual communication link between every two communication bodies according to the link communication configuration;
and binding the message data to be transmitted with the access code corresponding to the selected communication link.
The invention provides another technical scheme as follows:
communication system between vehicle-mounted terminal, monitor platform and supervision platform includes:
the forwarding strategy module comprises a link communication configuration unit and is used for presetting a forwarding strategy comprising the link communication configuration unit;
the link communication configuration unit is used for presetting a communication protocol type, an access code and basic configuration information of a communication main body, wherein the communication protocol type, the access code and the basic configuration information comprise communication links to be constructed between every two communication main bodies;
the link controller is used for establishing a virtual communication link between every two communication main bodies according to the link communication configuration unit;
and the data processor is used for binding the message data to be transmitted with the access code corresponding to the selected communication link.
The invention has the beneficial effects that: according to the method, a virtual communication link is established between any two communication main bodies according to a forwarding strategy through a preset forwarding strategy, the message data to be transmitted and the corresponding access code are bound and then can be transmitted through the selected communication link, and the data is supported to be forwarded to different platforms through the communication link controlled by a user, so that the compatible forwarding is realized. When a new communication main body (such as a superior supervision platform) needs to be accessed, the configuration of a required communication link can be realized only by adaptively adjusting a forwarding strategy, data forwarding is realized according to the configuration, data interaction between the newly accessed communication main body and other communication main bodies is realized, new application does not need to be developed, and development cost and maintenance cost are obviously reduced; meanwhile, the communication link is configured according to the forwarding strategy, and the user-defined control of different operable communication links is realized.
Drawings
FIG. 1 is a flow chart illustrating a communication method according to the present invention;
FIG. 2 is a schematic flow chart of a second embodiment of the present invention;
FIG. 3 is a schematic diagram of an interaction link between communication entities in the communication method of the present invention;
FIG. 4 is a schematic configuration interface according to a first embodiment of the present invention;
FIG. 5 is a schematic configuration interface according to a second embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a communication system according to the present invention;
FIG. 7 is a block diagram of a communication system according to an embodiment of the present invention;
description of reference numerals:
1. a vehicle-mounted terminal; 2. a lower monitoring platform; 3. an upper level supervision platform; 4. a forwarding policy module;
5. a link controller; 6. a data processor; 41. a link communication configuration unit;
42. a data forwarding configuration unit; 61. a concurrency device; 62. a receiving unit; 63. an acquisition unit;
64. a filtration unit; 65. a forwarding unit; 66. and a response unit.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: presetting a forwarding strategy, establishing a virtual communication link between any two communication main bodies according to the forwarding strategy, binding message data to be transmitted with a corresponding access code, and then transmitting the message data through the selected communication link, and supporting the data to be forwarded to different platforms through a communication link controlled by a user, so as to realize compatible forwarding.
Referring to fig. 1, the present invention provides a communication method between a vehicle-mounted terminal, a monitoring platform, and a monitoring platform, including:
presetting a forwarding strategy comprising link communication configuration, wherein the link communication configuration comprises a communication protocol type, an access code and basic configuration information of a communication main body corresponding to a communication link to be constructed between every two communication main bodies;
establishing a virtual communication link between every two communication bodies according to the link communication configuration;
and binding the message data to be transmitted with the access code corresponding to the selected communication link.
Further, referring to fig. 2, the forwarding policy further includes a data forwarding configuration;
and according to the data forwarding configuration, a communication main body comprising a lower monitoring platform and an upper monitoring platform acquires appointed data through the virtual communication link.
Further, the data forwarding configuration comprises a communication data type and an organization corresponding to the vehicle-mounted terminal.
As can be seen from the above description, data forwarding configuration may also be preset, a data stream interception mechanism is implemented, data forwarded to different platforms may be configured or shielded as required, and it is convenient to directly obtain the required data.
Further, the binding of the message data to be transmitted and the access code corresponding to the selected communication link specifically includes:
storing the binding relationship of each vehicle-mounted terminal and the organization mechanism to which the vehicle-mounted terminal belongs;
receiving real-time message data sent by a vehicle-mounted terminal;
filtering the real-time message data according to the data forwarding configuration and the binding relationship, and acquiring the real-time message data of the communication data type appointed by each vehicle-mounted terminal under an appointed organization;
acquiring a corresponding communication link and a corresponding access code thereof according to a preset communication subject to which the real-time message data is to be sent;
and binding the access code and the filtered real-time message data, encapsulating the filtered real-time message data according to the communication protocol type corresponding to the communication link corresponding to the access code, and forwarding the encapsulated real-time message data to the communication subject to be sent through the communication link.
As can be seen from the above description, when the vehicle-mounted terminal forwards the real-time message data to the lower monitoring platform or the upper monitoring platform (uplink protocol); the real-time message data can be filtered according to the requirement and then directly forwarded through the corresponding communication link.
Further, the method further comprises the following steps:
when a lower monitoring platform or an upper monitoring platform has a requirement for issuing message data to a specified vehicle-mounted terminal, acquiring a communication link through which preset message data are issued to the specified vehicle-mounted terminal through the lower monitoring platform or the upper monitoring platform and a corresponding access code;
after the message data and the corresponding access codes are bound, the message data and the corresponding access codes are packaged according to the communication protocol type corresponding to the communication link and then are transmitted to a specified vehicle-mounted terminal through the communication link;
and the vehicle-mounted terminal replies a response to the lower-level monitoring platform or the upper-level monitoring platform according to the message data.
As can be seen from the above description, when the lower monitoring platform or the upper monitoring platform has a requirement (downlink protocol) for issuing message data to a specific vehicle-mounted terminal, the lower monitoring platform or the upper monitoring platform can also directly forward the message data to the corresponding vehicle-mounted terminal according to the configured required communication link, and receive the response of the original route reply.
Referring to fig. 6, another technical solution provided by the present invention is:
communication system between vehicle-mounted terminal, monitor platform and supervision platform includes:
the forwarding policy module 4 includes a link communication configuration unit 41, and is configured to preset a forwarding policy including the link communication configuration unit;
the link communication configuration unit 41 is configured to preset communication protocol types, access codes, and basic configuration information of communication entities, which include communication links to be constructed between every two communication entities;
a link controller 5, configured to establish a virtual communication link between every two communication subjects according to the link communication configuration unit;
and the data processor 6 is used for binding the message data to be transmitted with the access code corresponding to the selected communication link.
Referring to fig. 7, further, the forwarding policy module 4 further includes a data forwarding configuration unit 42;
the data processor 6 is further configured to enable a communication subject including a lower monitoring platform and an upper monitoring platform to obtain specified data through the virtual communication link according to the data forwarding configuration.
Further, the data forwarding configuration unit 42 is configured to configure an organization including a communication data type and a correspondence of the in-vehicle terminal.
Further, the data processor 6 includes a concurrency unit 61, a receiving unit 62, an obtaining unit 63, a filtering unit 64 and a forwarding unit 65;
the concurrence device 61 is used for storing the binding relationship of each vehicle-mounted terminal and the organization mechanism to which the vehicle-mounted terminal belongs;
the receiving unit 62 is configured to receive real-time message data sent by the vehicle-mounted terminal;
the acquiring unit 63 is configured to acquire a corresponding communication link and a corresponding access code thereof according to a communication subject to which the preset real-time message data is to be sent;
the filtering unit 64 is further configured to filter the real-time message data according to the data forwarding configuration and the binding relationship, and acquire real-time message data of a communication data type specified by each vehicle-mounted terminal under a specified organization;
the forwarding unit 65 is configured to bind the access code and the filtered real-time message data, encapsulate the filtered real-time message data according to a communication protocol type corresponding to a communication link corresponding to the access code, and forward the encapsulated real-time message data to the communication subject to be sent through the communication link.
Further, the data processor further comprises a response unit 66;
the acquiring unit 63 is further configured to acquire a communication link through which the preset message data is transmitted to the designated vehicle-mounted terminal through the lower monitoring platform or the upper monitoring platform and a corresponding access code when the lower monitoring platform or the upper monitoring platform has a requirement for transmitting the message data to the designated vehicle-mounted terminal;
the forwarding unit 65 is further configured to bind the message data with the corresponding access code, encapsulate the message data according to a communication protocol type corresponding to the communication link, and then issue the message data to a specified vehicle-mounted terminal through the communication link;
the response unit 66 is configured to reply a response to the lower monitoring platform or the upper monitoring platform by the vehicle-mounted terminal according to the message data.
Example one
Referring to fig. 1, fig. 3 and fig. 4, the present embodiment provides a communication method between a vehicle-mounted terminal, a monitoring platform and a supervision platform, which can be applied to the field of satellite positioning communication of vehicles, and is convenient for a transportation department to grasp the driving conditions of transportation vehicles.
Specifically, the implementation process of this embodiment may include the following steps:
s1: presetting a forwarding strategy comprising link communication configuration;
the preset content of the link communication configuration is configuration information required when a communication link is established, and comprises a communication protocol type, an access code and basic configuration information of a communication main body corresponding to the communication link to be established between every two communication main bodies;
the communication main body comprises a vehicle-mounted terminal 1, a monitoring platform (a lower monitoring platform 2) and a monitoring platform (an upper monitoring platform 3); the communication protocol type can be 808 communication protocol or 809 communication protocol, and is determined according to the interactive communication subject; the access code is used for distinguishing different communication links between the vehicle-mounted terminal and different lower monitoring platforms and between the lower monitoring platforms and different upper monitoring platforms; the basic configuration information of the communication subject comprises the names, IP addresses, port numbers, account numbers, passwords and the like of a superior monitoring platform and/or a subordinate monitoring platform, and the names of the platforms are defined by an administrator and are used for distinguishing different docking platforms; the IP address, the port number, the account number and the password are needed when data interaction is carried out on connection initiated among the platforms. If a communication link between a lower monitoring platform and an upper monitoring platform is required to be established, the type of the communication protocol of the communication link is determined to be 809 communication protocol, the lower monitoring platform provides configuration information of the upper monitoring platform, including an IP address, a port number, an account number, a password and the like, and the required communication link is established according to the configuration information of the lower monitoring platform and the upper monitoring platform, the 809 communication protocol, the IP address, the port number, the account number, the password and the like.
Preferably, the preset process of the forwarding policy may be completed through interface configuration, and after the configuration is completed, the configuration may also be directly modified and queried through an interface, as shown in fig. 4, where one complete communication link corresponds to one configuration record, and the communication link may be directly opened and closed through an operation key.
S2: and establishing a virtual communication link between every two communication bodies according to the link communication configuration.
Specifically, according to the forwarding policy, a virtual communication link between the vehicle-mounted terminal and the lower monitoring platform is established in the 808 protocol module through the link controller, and a virtual communication link between the lower monitoring platform and the upper monitoring platform is established in the 809 protocol module. Several communication links are configured in the link communication configuration, and then a plurality of groups of virtual communication links are correspondingly established.
Link configuration of a conventional implementation is generally written in a configuration file of a program, and one application can only configure a single communication link; in the embodiment, a configuration function module is configured in a unified manner, a plurality of communication links are allowed to be configured, and one rule strategy in link communication configuration corresponds to one communication link, so that a plurality of communication links are allowed to be maintained; as shown in fig. 4, 7 rules based on the 809 protocol are configured for 7 communication links, respectively.
S3: and binding the message data to be transmitted with the access code corresponding to the selected communication link.
Specifically, when there is a message data transmission requirement, a corresponding communication link is determined through two interactive communication bodies, a corresponding access code is obtained, after the message data is bound with the access code, recoding is performed according to the communication protocol type of the determined communication link, and then the interaction of the message data between different communication bodies can be realized through the selected communication link.
As a specific application scenario, after the forwarding policy is preset, caching is performed, and a link communication configuration in the cache is read by a link channel controller to establish a link channel, for example, in step S1, communication links of three docking platforms, i.e., fujian, shanghai and guangdong, are configured as required, and the link channel controller establishes three groups of independent virtual channels. And the link channel controller starts respective independent link channel threads for the link channel configurations of different communication protocol types and different docking platforms. The local server is used as an independent lower-level monitoring platform, and different communication links are distinguished through access codes of upper-level monitoring platforms corresponding to different communication link channels.
The embodiment realizes compatible forwarding, and when a new superior supervision platform needs to be accessed, data interaction between different communication main bodies can be realized based on the communication link as long as the link communication configuration is configured on the configuration page and the communication link is established according to the communication link configuration. Meanwhile, the manual background opening and closing service of technicians required by different applications is improved, and the opening or closing control of operable different interactive links is realized; furthermore, when the ministerial protocol is upgraded, only one set of program needs to be modified, so that the workload of modification is reduced; and furthermore, the operation and maintenance risks are reduced, and only one set of application needs to be deployed and monitored.
Example two
Referring to fig. 2 and fig. 5, in this embodiment, on the basis of the first embodiment, the extension of the first embodiment is further extended, a data flow interception mechanism is added, and acquisition of specified message data is implemented, specifically:
the forwarding policy preset in the step S1 further includes data forwarding configuration;
the preset content of the data forwarding configuration is a filtering condition of the message data, and may include a communication data type and an organization mechanism corresponding to the vehicle-mounted terminal. The link communication configuration and the data forwarding configuration are in one-to-one binding relationship.
In the step S3, in the process of transmitting the message data through the corresponding communication link, the message data is filtered according to the preset filtering condition of the data forwarding configuration, and only the message data meeting the filtering condition can be transmitted to the corresponding communication subject, so that the lower monitoring platform and the upper monitoring platform obtain the designated message data through the virtual communication link.
Preferably, the communication data type may be alarm content, such as an emergency alarm, an overspeed alarm, and the like; the organization mechanism corresponding to the designated vehicle-mounted terminal can only acquire the real-time message data of the vehicle-mounted terminal under the designated organization mechanism, and the organization mechanism is configured to the superior supervising platform.
For example, real-time message data reported by vehicles belonging to three organizations, namely, a peaceful bus limited company in Fujian province, Fujian city force electric vehicle leasing limited company, are forwarded to a Fujian platform, and only an emergency alarm and an overspeed alarm are forwarded, so that the real-time message data can be realized only by checking the corresponding organization and the communication data type to be forwarded on a configuration setting page, and the configuration setting interface is operated in step S1 as shown in FIG. 5.
The embodiment realizes the configuration or the shielding of the vehicle positioning data or the alarm information forwarded to different platforms according to the requirements.
EXAMPLE III
The embodiment further expands and extends the embodiment on the basis of the first embodiment and the second embodiment, and provides a process for realizing data interaction between communication subjects based on the established virtual communication link. Specifically, the method comprises the following steps:
after the virtual communication link is established, the method comprises the following steps:
s31: according to an organization mechanism preset in data forwarding configuration, a thread-safe concurrency container MAP is created for storing the binding relationship between the organization mechanism and the vehicle-mounted terminal, keys are used as organization mechanism IDs, and VALUE is used as a vehicle-mounted terminal set object; starting an independent thread to regularly refresh the concurrent container so as to update the latest configuration;
s32: when a vehicle-mounted terminal reports real-time message data to a specified upper-level supervision platform, namely the message data to be transmitted goes up a protocol, the real-time message data which are actively reported by the vehicle-mounted terminal and comprise positioning, alarming and the like are received, all communication links are traversed, an organization mechanism ID which is preset by the communication links and is configured by data forwarding and a vehicle ID which is associated with the received real-time message data are taken as parameters, the parameters are put into a concurrency container MAP for matching, and the real-time message data which meet the conditions and the access codes which correspond to the determined communication links to be transmitted are bound; after the real-time message data is recoded, the real-time message data is put into a communication link corresponding to the access code and then forwarded to a corresponding upper-level supervision platform; and discard data that does not satisfy the condition.
S33: when a lower monitoring platform or an upper monitoring platform has a requirement for issuing message data to a specified vehicle-mounted terminal, namely the message data to be transmitted goes through a downlink protocol, a communication link through which preset message data to be transmitted is issued to the specified vehicle-mounted terminal through the lower monitoring platform or the upper monitoring platform and a corresponding access code are acquired; after the message data and the corresponding access codes are bound, the message data and the corresponding access codes are packaged according to the communication protocol type corresponding to the communication link and then are transmitted to a specified vehicle-mounted terminal through the communication link; the data processor decodes the message data with the access code and forwards the message data to the specified vehicle-mounted terminal; after the data at the vehicle-mounted terminal is answered, the data is put into a corresponding communication link through an access code of the message data, and the data is answered to a superior supervision platform.
And when a forwarding strategy of data forwarding configuration is preset at the same time, filtering the real-time message data reported by the vehicle-mounted terminal according to the data forwarding configuration, putting the real-time message data into a communication link corresponding to the access code when the real-time message data meet the filtering condition, and discarding the data which do not meet the condition.
Example four
Referring to fig. 7, the present embodiment provides a communication system among a vehicle-mounted terminal, a monitoring platform, and a monitoring platform based on the first embodiment, the second embodiment, and the third embodiment.
Specifically, the communication system comprises a forwarding policy module 4, a link controller 5 and a data processor 6;
the forwarding policy module 4 comprises a link communication configuration unit and a data forwarding configuration unit; the system comprises a link communication configuration unit, a data forwarding configuration unit and a data forwarding configuration unit, wherein the link communication configuration unit is used for configuring a link communication configuration;
the link communication configuration unit 41 is configured to preset communication protocol types, access codes, and basic configuration information of communication entities, which include communication links to be constructed between every two communication entities;
the data forwarding configuration unit 42 is configured to configure an organization mechanism including a communication data type and corresponding to the vehicle-mounted terminal; the communication data type may be alarm type information;
the link controller 5 is configured to establish a virtual communication link between every two communication subjects according to the link communication configuration unit;
specifically, the communication system comprises a protocol module 808 and a protocol module 809, wherein the protocol module 808 comprises a link controller; the 809 protocol module comprises a master link controller and a slave link controller; the link controller consists of a log interceptor, an encoder, a decoder, a downlink data receiving preprocessor and an uplink data sending preprocessor.
The 808 protocol module and the 809 protocol module load a forwarding strategy containing link communication configuration and data forwarding configuration to a cache when starting; the 808 protocol module reads all link communication configurations matched with the 808 protocol, the 809 protocol module reads all link communication configurations matched with the 809 protocol, and link controllers of the 808 protocol module and the 809 protocol module establish a plurality of groups of virtual channels according to respective link configuration rules.
The link controller establishes a virtual link channel between the vehicle-mounted terminal and the lower monitoring platform in the 808 protocol module according to link communication configuration; virtual link channels between the upper monitoring platform and the lower monitoring platform are established in the protocol module 809, and if a plurality of link communication configurations are configured, a plurality of groups of virtual communication link channels are established.
After the communication link is established, starting a data processor, configuring a preset organization mechanism according to data forwarding by the data processor, and creating a thread-safe concurrent container MAP for storing the binding relationship between the organization mechanism and the vehicle, wherein keys are used as organization mechanism IDs, and VALUE is used as a vehicle set object; the independent thread is turned on to periodically flush this container to update the latest configuration.
A receiving unit of the data processor receives real-time message data sent by the vehicle-mounted terminal and then sends the real-time message data to a protocol 808 module, when the protocol 808 module receives the real-time message data uploaded by the vehicle-mounted terminal, the real-time message data is forwarded to the protocol 809 module, the protocol 809 module filters the data to be forwarded according to the configuration of a data forwarding configuration unit through a filtering unit of the data processor and then forwards the data to a superior monitoring platform through a forwarding unit of the data processor, when the filtering of the forwarded data is executed, all established link channels are traversed, each link channel obtains the data forwarding configuration corresponding to the current link channel through the binding relationship between the link communication configuration and the data forwarding configuration, and the attributive organization mechanism and the communication data type of the vehicle to which the data to be forwarded by the current link channel belong are compared with the organization configuration and the communication data type configuration of the data forwarding configuration, judging whether the filtering conditions of the organization mechanism and the communication data type of the data forwarding configuration are met or not; and finally, filtering and intercepting the real-time message data meeting the conditions, and forwarding the real-time message data to a corresponding platform for data exchange.
In summary, the communication method among the vehicle-mounted terminal, the monitoring platform and the supervision platform provided by the invention realizes compatible forwarding, and when a new superior supervision platform needs to be accessed, data interaction among different communication subjects can be realized based on the communication link as long as the link communication configuration is configured on the configuration page and then the communication link is established according to the communication link configuration. Meanwhile, a data stream filtering mechanism is added, so that data information forwarded to different platforms can be configured or shielded as required; furthermore, the manual background opening and closing service of technicians required by different applications is improved, and the opening or closing control of operable different interactive links is realized; furthermore, when the ministerial protocol is upgraded, only one set of program needs to be modified, so that the workload of modification is reduced; finally, the operation and maintenance risks are reduced, and only one set of application needs to be deployed and monitored.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. The communication method among the vehicle-mounted terminal, the monitoring platform and the supervision platform is characterized by comprising the following steps:
presetting a forwarding strategy comprising link communication configuration, wherein the link communication configuration comprises a communication protocol type, an access code and basic configuration information of a communication main body corresponding to a communication link to be constructed between every two communication main bodies;
establishing a virtual communication link between every two communication bodies according to the link communication configuration;
and binding the message data to be transmitted with the access code corresponding to the selected communication link.
2. The method of communicating between a vehicle terminal, a monitoring platform, and a supervisory platform of claim 1, wherein the forwarding policy further comprises a data forwarding configuration;
and according to the data forwarding configuration, a communication main body comprising a lower monitoring platform and an upper monitoring platform acquires appointed message data through the virtual communication link.
3. The method of claim 2, wherein the data forwarding configuration includes a communication data type and a corresponding organization of the vehicle-mounted terminal.
4. The communication method between the vehicle-mounted terminal, the monitoring platform and the supervision platform according to claim 3, wherein the binding of the message data to be transmitted and the access code corresponding to the selected communication link specifically comprises:
storing the binding relationship of each vehicle-mounted terminal and the organization mechanism to which the vehicle-mounted terminal belongs;
receiving real-time message data sent by a vehicle-mounted terminal;
filtering the real-time message data according to the data forwarding configuration and the binding relationship, and acquiring the real-time message data of the communication data type appointed by each vehicle-mounted terminal under an appointed organization;
acquiring a corresponding communication link and a corresponding access code thereof according to a preset communication subject to which the real-time message data is to be sent;
and binding the access code and the filtered real-time message data, encapsulating the filtered real-time message data according to the communication protocol type corresponding to the communication link corresponding to the access code, and forwarding the encapsulated real-time message data to the communication subject to be sent through the communication link.
5. The method of communicating between a vehicle terminal, a monitoring platform, and a supervisory platform of claim 4, further comprising:
when a lower monitoring platform or an upper monitoring platform has a requirement for issuing message data to a specified vehicle-mounted terminal, acquiring a communication link through which preset message data are issued to the specified vehicle-mounted terminal through the lower monitoring platform or the upper monitoring platform and a corresponding access code;
after the message data and the corresponding access codes are bound, the message data and the corresponding access codes are packaged according to the communication protocol type corresponding to the communication link and then are transmitted to a specified vehicle-mounted terminal through the communication link;
and the vehicle-mounted terminal replies a response to the lower-level monitoring platform or the upper-level monitoring platform according to the message data.
6. Communication system between vehicle-mounted terminal, monitor platform and supervision platform, its characterized in that includes:
the forwarding strategy module comprises a link communication configuration unit and is used for presetting a forwarding strategy comprising the link communication configuration unit;
the link communication configuration unit is used for presetting a communication protocol type, an access code and basic configuration information of a communication main body, wherein the communication protocol type, the access code and the basic configuration information comprise communication links to be constructed between every two communication main bodies;
the link controller is used for establishing a virtual communication link between every two communication main bodies according to the link communication configuration unit;
and the data processor is used for binding the message data to be transmitted with the access code corresponding to the selected communication link.
7. The communication system between the in-vehicle terminal, the monitoring platform, and the administration platform of claim 6, wherein the forwarding policy module further comprises a data forwarding configuration unit;
and the data processor is also used for enabling a communication main body comprising a lower monitoring platform and an upper monitoring platform to acquire appointed data through the virtual communication link according to the data forwarding configuration.
8. The communication system of claim 7, wherein the data forwarding configuration unit is configured to configure an organization comprising a communication data type and a corresponding vehicle terminal.
9. The communication system between the in-vehicle terminal, the monitoring platform, and the administration platform according to claim 8, wherein the data processor includes a concurrency device, a receiving unit, an obtaining unit, a filtering unit, and a forwarding unit;
the concurrence device is used for storing the binding relationship of each vehicle-mounted terminal and the organization mechanism to which the vehicle-mounted terminal belongs;
the receiving unit is used for receiving the real-time message data sent by the vehicle-mounted terminal;
the acquisition unit is used for acquiring a corresponding communication link and a corresponding access code thereof according to a communication subject to which the preset real-time message data is to be sent;
the filtering unit is further configured to filter the real-time message data according to the data forwarding configuration and the binding relationship, and acquire real-time message data of a communication data type specified by each vehicle-mounted terminal under a specified organization;
the forwarding unit is configured to bind the access code and the filtered real-time message data, encapsulate the filtered real-time message data according to a communication protocol type corresponding to a communication link corresponding to the access code, and forward the encapsulated real-time message data to the communication subject to be sent through the communication link.
10. The communication system between the in-vehicle terminal, the monitoring platform, and the administration platform of claim 9, wherein the data processor further comprises a response unit;
the acquisition unit is further used for acquiring a communication link through which the preset message data are transmitted to the appointed vehicle-mounted terminal through the lower monitoring platform or the upper monitoring platform and a corresponding access code when the lower monitoring platform or the upper monitoring platform has a requirement for transmitting the message data to the appointed vehicle-mounted terminal;
the forwarding unit is further configured to package the message data according to a communication protocol type corresponding to the communication link, and then send the message data to a specified vehicle-mounted terminal through the communication link;
and the response unit is used for replying a response to the lower-level monitoring platform or the upper-level monitoring platform by the vehicle-mounted terminal according to the message data.
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| CN112714188B (en) * | 2020-12-31 | 2023-11-03 | 深圳市伊爱高新技术开发有限公司 | Data distribution method and system based on label 808 protocol |
| CN116032973B (en) * | 2023-02-13 | 2023-08-15 | 广东云百科技有限公司 | Motorcade information transfer method based on edge calculation |
| CN117749615B (en) * | 2024-02-19 | 2024-06-07 | 成都九洲电子信息系统股份有限公司 | Method, system and device for constructing mining management and control communication link based on object combination |
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