CN103825893A - Method, device and system for collecting information - Google Patents

Method, device and system for collecting information Download PDF

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Publication number
CN103825893A
CN103825893A CN201410059120.9A CN201410059120A CN103825893A CN 103825893 A CN103825893 A CN 103825893A CN 201410059120 A CN201410059120 A CN 201410059120A CN 103825893 A CN103825893 A CN 103825893A
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China
Prior art keywords
information
server
transponder
industrial equipment
instruction
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Pending
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CN201410059120.9A
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Chinese (zh)
Inventor
郭凌
刘凌
黄庆国
唐竞波
高涛
路怀民
孙磊
邓昌贵
陈光钊
李睿
张经博
刘军
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Chongqing Vocational Institute of Engineering
Logistical Engineering University of PLA
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Chongqing Vocational Institute of Engineering
Logistical Engineering University of PLA
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Application filed by Chongqing Vocational Institute of Engineering, Logistical Engineering University of PLA filed Critical Chongqing Vocational Institute of Engineering
Priority to CN201410059120.9A priority Critical patent/CN103825893A/en
Publication of CN103825893A publication Critical patent/CN103825893A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a method for collecting information. The method comprises the steps that an instruction packet for collecting information of industrial equipment is prestored in a centralized transponder, and the instruction packet comprises communication parameters and instructions following the same communication protocol; the centralized transponder periodically collects the information of the industrial equipment according to the prestored instruction packet for collecting the information of the industrial equipment; the centralized transponder sends the collected information of the industrial equipment to a server. The invention further discloses a device and system for collecting the information. According to the method, device and system for collecting the information, the whole collecting system can be conveniently created, and meanwhile the information of different kinds of industrial equipment can be collected.

Description

Information collecting method, device and system
Technical field
The present invention relates to a kind of information collecting method, device and system.
Background technology
Due to the development of electronic technology and the raising of people's living standard, remote measurement, remote control, remote regulating function have been realized in many fields, as elevator control, fire protection warning, building control, new wind control, Detection of Air Quality, and traditional water, electricity and gas collection field such as check meter.Traditional system structure is that each system provides an independently acquisition control system by each producer, due to each system from producer may be different, therefore cause each system not merge mutually.And each independently subsystem need to independently connect up, independently concentrate transponder, independently server and software systems; If the industrial equipment that some subsystem adopts is less, for example, such as only having several water meters, two elevators, several ammeters, tens temperature sensors in Yi Zhuan building; Build independently system if be respectively water meter, elevator, ammeter, temperature sensor, need water meter, ammeter, elevator and temperature sensor to connect up respectively, and need respectively water meter, ammeter, elevator and temperature sensor configuration independently to concentrate transponder, server and software systems independently, so cause great waste, and arrange that the complexity of subsystem improves greatly.
Separately, according to construction needs, concentrated transponder may be arranged on basement, roof is first-class should not go to people or the bad place of light, if the parameter of industrial equipment, the server etc. of acquisition system changes, modification relevant configured parameter that need to be reliable, safe on each concentrated transponder, so, the workload of the configuration parameter of modification very greatly and very difficult.
Again, if the IP address of server or locus may change, as some user, because house, machine room, company place change, the IP address that needs Mobile Server or change server, also needs to change the communication configuration parameter of concentrating transponder.Tradition amending method is:
One, before server changes, pass through the configuration of each concentrated transponder of network amendment, if concentrate transponder more, defect is that user easily forgets or processing ease error;
Two, on each concentrated transponder, revise workload and larger.
Summary of the invention
The technical problem that the present invention mainly solves be to provide a kind of information collecting method, device and system can be by acquisition system the information of the industrial equipment to some classes, having solved needs the industrial equipment of each class to need separate cabling, the problem of server, concentrated transponder independently is set in traditional acquisition system.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of information collecting method is provided, comprise: the instruction bag of the information of the collection industrial equipment that prestores in concentrated transponder, described instruction bag comprises: follow messaging parameter and the instruction of same communication protocol; Make to concentrate transponder periodically to gather the information of industrial equipment according to the instruction bag of the information of the collection industrial equipment prestoring; Make to concentrate transponder that the information of the industrial equipment collecting is sent to server.
Wherein, also comprise: make to concentrate transponder to judge whether the instruction of the information of a certain industrial equipment of collection that receives server transmission; If receive the instruction of the information of a certain industrial equipment of collection of server transmission, concentrate transponder according to the information of this instruction acquisition and the corresponding equipment of this instruction.
Wherein, before the instruction step of the information of the collection industrial equipment that prestores in concentrated transponder, also comprise: the IP bag of each concentrated transponder that prestores in server; Make server set up UDP communication according to the IP bag of each the concentrated transponder prestoring; Make the IP bag of the server of concentrating the transmission of transponder reception server; Make the IP bag and server adaptive configuration of concentrating transponder to send according to server, be connected so that concentrate transponder to set up IP with server; Make the instruction bag of the information of the collection industrial equipment of concentrating the transmission of transponder reception server; Describedly also comprise the instruction of the information of the collection industrial equipment that the server that receives of prestoring sends in the instruction bag step of concentrating the information that gathers industrial equipment of prestoring in transponder.
Wherein, the step that the information of the industrial equipment collecting is sent to server comprises: make to concentrate transponder to set up UDP with server and communicate by letter; Make to concentrate transponder that the information of the industrial equipment collecting is sent to server according to udp protocol.
Wherein, also comprise: the instruction bag that makes the information of the amended collection industrial equipment of concentrating the transmission of transponder reception server; Describedly also comprise the instruction bag of the information of the amended industrial equipment that the server that receives of prestoring sends in the instruction bag step of concentrating the information that gathers industrial equipment of prestoring in transponder; The information that the instruction bag of the information of the collection industrial equipment that described basis prestores periodically gathers industrial equipment also comprises, periodically gathers the information of industrial equipment according to the instruction bag of the information of the amended industrial equipment prestoring.
For solving the problems of the technologies described above, another technical solution used in the present invention is: a kind of information collecting device is provided, comprises: be located at and concentrate in transponder: the first pre-storing module, the instruction bag of the information that gathers industrial equipment for prestoring in concentrated transponder; The first acquisition module, for periodically gathering the information of industrial equipment according to the instruction bag of the information of the collection industrial equipment prestoring; And sending module, for the information of the industrial equipment collecting is sent to server.
Wherein, also comprise: be located at and concentrate in transponder: judge module, concentrate transponder to judge whether the instruction of the information of a certain industrial equipment of collection that receives server transmission for making; And second acquisition module, for obtain receiving the instruction of information of a certain industrial equipment of collection that server sends when judge module judgement, according to the information of this instruction acquisition and the corresponding equipment of this instruction.
Wherein, also comprise: be located at the pre-storing module of second in server, for the IP bag of each concentrated transponder that prestores at server; And first communication building block, for making server set up UDP communication according to the IP bag of each concentrated transponder; Be located at the first receiver module of concentrating in transponder, the IP bag of the server sending for reception server; Adaptive configuration module, for the IP bag and the server adaptive configuration that send according to server, is connected so that concentrate transponder to set up IP with server; And second receiver module, the instruction bag of the information of the collection industrial equipment sending for reception server; The described first pre-storing module, the instruction of the information of the collection industrial equipment that the server also receiving for prestoring sends.
For solving the problems of the technologies described above, another technical scheme that the present invention adopts is: a kind of information acquisition system is provided, comprises: server, concentrated transponder, industrial equipment and information collecting device; The uplink port of described concentrated transponder is connected with server communication by network; Downlink port is connected with industrial equipment; The IP bag that prestores each concentrated transponder in described server, server is communicated by letter and is communicated by letter with each concentrated transponder by UDP, and the IP bag of server is sent to each concentrated transponder; Described server is also for being pre-stored with the instruction bag of the information that gathers each industrial equipment and prestoring the parameter information of each concentrated transponder and industrial equipment; Can carry out the modification of parameter and industrial equipment is increased or deleted each concentrated transponder and/or industrial equipment by server; Described server is also for communicating by letter by UDP to concentrating transponder to issue the instruction bag of the information of described industrial equipment; Described concentrated transponder is for prestoring the instruction bag of above-mentioned industrial equipment, the information of each industrial equipment of collection by this instruction bag, and the information of the industrial equipment collecting is sent to server; Described industrial equipment, for recording and store information, will be sent to concentrated transponder according to the acquisition of concentrator on record or canned data; Described information collecting device is the information collecting device described in above-mentioned any one; Described server, concentrated transponder and industrial equipment are followed same communication protocol rule.
Wherein, described industrial equipment is for gathering class industrial equipment.
The invention has the beneficial effects as follows: the situation that is different from prior art, information collecting method of the present invention, device and system are because concentrated transponder and all types of industries equipment and server are followed same communication protocol, can make to concentrate transponder can according to the instruction bag of interior storage in real time, the information of regular collection all types of industries equipment, and the information of industrial equipment is sent to server.The acquisition system that has further solved each traditional class need to independently connect up, adopt a series of problems such as installation complexity, the installation workload of independently concentrating transponder, independently server and software systems to bring are large, wiring is complicated; On the other hand, concentrated transponder both can gather the information of each industrial equipment in a conventional manner regularly, can also, according to burst mode, directly carry out the mode of transparent forwarding instruction, gathered the information of a certain specific industrial equipment; Meet the collection of various ways, in function, promoted widely; Another aspect, even if the address of server is because different reasons has been done change, also can connect with concentrated transponder very easily, receives the Information Monitoring of concentrating transponder to send, and further Information Monitoring is further managed.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart of information collecting method the first embodiment of the present invention;
Fig. 2 is the flow chart of information collecting method the second embodiment of the present invention;
Fig. 3 is the flow chart of information collecting method of the present invention the 3rd embodiment;
Fig. 4 is the block diagram of information collecting device the first embodiment of the present invention;
Fig. 5 is the block diagram of information collecting device the second embodiment of the present invention;
Fig. 6 is the block diagram of information collecting device of the present invention the 3rd embodiment;
Fig. 7 is the block diagram of information acquisition system the first embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Before embodiment is described, need to make an explanation to some necessary terms.For example:
Use the terms such as " first ", " second " to describe various elements if occur herein, but these elements should not limited by these terms.These terms are only used for distinguishing an element and another element.Therefore " first " element of, below discussing also can be called as " second " element and not depart from instruction of the present invention.It should be understood that, if while mentioning an element " connection " or " connection " to another element, can directly connect or directly be connected to another element or also can have intermediary element.On the contrary, in the time mentioning that an element " directly connects " or " directly connecting " arrives another element, there is not intermediary element.
The various terms that occur in this article are only not intended to as limitation of the invention for describing the object of concrete execution mode, unless context clearly point out in addition, otherwise singulative intention also comprises plural form.
When using in this manual term " to comprise " and/or when " including ", these terms have indicated the existence of described feature, entirety, step, operation, element and/or parts, but also do not get rid of the existence of above other features, entirety, step, operation, element, parts and/or its group and/or add.
The term " server " occurring herein refers to sensu lato server, be any have for the electronic equipment of high-speed computational capability be all comprised in " server ", " server " herein can carry out numerical computations, can carry out again logical calculated, also has store-memory function.To move according to program, automatically, the modernization intelligent electronic device of high speed processing mass data.Formed by hardware system and software systems.For example desktop computer, notebook, panel computer, industrial computer, mobile phone etc. all can acute pyogenic infection of finger tip " server " even.
About execution mode:
Refer to Fig. 1, Fig. 1 is the flow chart of information collecting method the first embodiment of the present invention, and the information collecting method of the present embodiment comprises the following steps:
The instruction bag of the information of S101, the collection industrial equipment that prestores in concentrated transponder;
Described industrial equipment is the industrial equipment that gathers class, and it includes but not limited to: water power, ammeter, water valve, temperature-humidity monitoring instrument, elevator controller, fire alarm, building controller, new wind controller, air quality detector etc.Industrial equipment can be installed on each floor, and for example water meter, for obtaining the water consumption of each floor; For example ammeter, for obtaining power consumption of floor etc.Described instruction bag refers to the instruction of each information that gathers industrial equipment, instruction bag can be the communication protocol packet of following communication protocol same between industrial equipment, concentrator and server, includes and concentrate the messaging parameter of transponder, the instruction of Information Monitoring in instruction bag; Wherein, messaging parameter comprises the characteristic informations such as protocol type, baud rate, parity bit, data bit, position of rest; Instruction includes but not limited to: gather industrial equipment status command, fault instruction, gather data (such as water consumption, power consumption etc.) instruction of recording in industrial equipment etc.
The Main Function of described instruction bag is to make to concentrate transponder can automatically gather according to this instruction bag the information of industrial equipment, and the information of described industrial equipment comprises the data message that state information, fault message, the interior record of industrial equipment or Real-time Obtaining arrive.So, as long as make all industrial equipments all can be connected to this concentrator, as long as make the communication protocol of described industrial equipment meet the communication protocol of concentrator and server, having solved each traditional class acquisition system need to independently connect up, and independently adopts and concentrates transponder, independently server and software systems.
In this step, in concentrated transponder, prestore, typically refer to and can adopt any mode to be pre-stored in this concentrated transponder, for example, can adopt the mode of Long-distance Control that above-mentioned instruction bag is pre-stored in industrial equipment.
S102, make to concentrate transponder periodically to gather the information of industrial equipment according to the instruction bag of the information of the collection industrial equipment that prestores;
Concentrated transponder comprises uplink port and downlink port, and uplink port is connected with server communication by network; Downlink port is connected with industrial equipment by RS485, and concentrated transponder connects different classes of industrial equipment, for example ammeter class, water meter class, humiture detection type, elevator control class etc.Owing to storing the instruction bag of same communication protocol in concentrated transponder, i.e. communication protocol packet, to make concentrating transponder to take inhomogeneous industrial equipment according to this communication protocol packet.
Described concentrated transponder, according to the instruction bag prestoring, gathers the information of the industrial equipment being attached thereto at interval of the default time, with in real time, gather regularly real time information or the data of industrial equipment.
S103, make concentrate transponder the information of the industrial equipment collecting is sent to server.
Concentrate transponder according to communication protocol in real time, regularly by the real time information of the working equipment collecting or data, and follow described communication protocol the information collecting or data be sent to server.
In the present embodiment, concentrating transponder is at least one, serves as at least one.It is associated that server and concentrated transponder are all set up address, in the time that the information collecting or data are sent to server by concentrated transponder, connects by IP address, port numbers and server, after connecting, the information collecting or data is sent to server.
Embodiment of the present invention, because concentrated transponder and all types of industries equipment and server are followed same communication protocol, can make to concentrate transponder can according to the instruction bag of interior storage in real time, the information of regular collection all types of industries equipment, and the information of industrial equipment is sent to server.The acquisition system that has further solved each traditional class need to independently connect up, adopt a series of problems such as installation complexity, the installation workload of independently concentrating transponder, independently server and software systems to bring are large, wiring is complicated.
Refer to Fig. 2, Fig. 2 is the flow chart of information collecting method the second embodiment of the present invention, and the information collecting method of the present embodiment comprises the following steps:
The instruction bag of the information of S201, the collection industrial equipment that prestores in concentrated transponder, described instruction bag comprises: follow messaging parameter and the instruction of same communication protocol;
S202, make to concentrate transponder periodically to gather the information of industrial equipment according to the instruction bag of the information of the collection industrial equipment that prestores;
S203, make concentrate transponder the information of the industrial equipment collecting is sent to server;
S204, make to concentrate transponder to judge whether to receive the instruction of the information of a certain industrial equipment of collection that server sends; If judgement obtains the instruction of the information of a certain industrial equipment of collection that does not receive server transmission, proceed to S202 step; If receive the instruction of the information of a certain industrial equipment of collection of server transmission, enter S205 step;
Concentrate transponder software to leave private port at network side, be exclusively used in the instruction of the information of a certain particular industry equipment of collection of forwarding server transmission, this port is transparent forwarding port, and the instruction of concentrating transponder to adopt transparent forwarding mechanism that server is sent is directly forwarded in specific industrial equipment.
If S205 receives the instruction of the information of a certain industrial equipment of collection of server transmission, concentrate transponder according to the information of this instruction acquisition and the corresponding equipment of this instruction;
In this step, in the time that server transmission need to be inquired about the information of a certain specific industrial equipment, independently send an information that gathers a certain specific industrial equipment, concentrated transponder receives after the instruction of information of a certain specific industrial equipment of collection of server transmission, this acquisition instructions of forwarding immediately, in the present embodiment, adopt transparent forwarding mechanism, concentrate transponder directly to repeat to send the extremely above-mentioned a certain specific industrial equipment of acquisition instructions that this server sends; Industrial equipment has received that facility information is sent to concentrated transponder by the Information Monitoring that concentrated transponder forwards, and concentrates transponder that the facility information of sending out on the industrial equipment receiving is sent to server.
Because server memory contains the address of each concentrator, each concentrator, the parameter of each concentrator, the industrial equipment that each concentrator is corresponding, the parameter information of each industrial equipment, so in the time of a certain specific industrial equipment of server wants inquiry, can directly send the instruction that gathers a certain particular industry equipment to concentrating transponder.
S204 and S205 step are in this embodiment, belong to preferential execution step, this step, not in whole method flow, does not have proper sequencing, as long as detect the instruction of the information of a certain industrial equipment of inquiry that receives server transmission, carry out this step at once.Therefore before, this step also can be located at S202 step or after S202 step.
Compared to the first embodiment, embodiment of the present invention, concentrated transponder both can gather the information of each industrial equipment in a conventional manner regularly, can also be according to burst mode, directly carry out the mode of transparent forwarding instruction, gather the information of a certain specific industrial equipment; Meet the collection of various ways, in function, promoted widely.
Refer to Fig. 3, books are flow charts of information collecting method of the present invention the 3rd embodiment, and the information collecting method of the present embodiment comprises the following steps:
The IP bag of S301, each concentrated transponder that prestores in server, the IP of described each concentrated transponder comprises: the IP address of each concentrated transponder, MAC Address, port numbers; If server and concentrated transponder be not in same local area network (LAN), described IP bag also comprises: the gateway address of each concentrated transponder, gateway MAC Address;
S302, make server set up UDP communication according to the IP bag of each concentrated transponder of prestoring;
Making the concentrated transponder of server and each set up UDP communicates by letter, so, no matter whether the IP address of server is changed or whether server is directed at the changes such as IP address, gateway because of the conversion of real space address, as long as server disposes concentrated transponder, all can set up and communicate by letter with concentrated transponder at any time.In this example, first set up UDP communication by server.
S303, make to concentrate the IP bag of the server that transponder reception server sends; The IP of described server comprises: the IP address of server, MAC Address, port numbers; If server and concentrated transponder be not in same local area network (LAN), described IP bag also comprises: the gateway address of server, gateway MAC Address; Concentrated transponder comprises uplink port and downlink port, and uplink port is connected with the port of server; Downlink port is RS485 port, is connected with the collection class industrial equipment of all RS485 of meeting ports.
S304, IP bag and server adaptive configuration that concentrated transponder is sent according to server, be connected so that concentrate transponder to set up IP with server;
Occur after changing when newly setting up server or server address, the IP bag of server is after changing communicated by letter and is sent to concentrated transponder by UDP.Concentrate transponder to carry out adaptive configuration according to the IP bag of server new or after changing, even if concentrate transponder IP bag automatic and server automatically to configure, when making subsequent set transfer hair device send the information of industrial equipment gathering to server, be sent to accurately server according to the IP bag of the server of configuration.Concentrated transponder is resolved after receiving the IP bag of server automatically, parses IP address in IP bag, gateway, gateway address, MAC Address etc., and carries out adaptive configuration according to the address parsing.
S305, make to concentrate the instruction bag of information of the collection industrial equipment that transponder reception server sends;
Described instruction bag, i.e. communication protocol packet, comprises data configuration information and instruction in protocol package; This instruction wraps in server end and is made, and server is communicated by letter and is sent to concentrated transponder by UDP after making.
S306, at the instruction bag of the information of the collection industrial equipment of concentrating the server that receives of prestoring in transponder to send;
Concentrate after transponder when server is sent to instruction bag, concentrated transponder stores this instruction bag, thinks that the information of follow-up periodicity collection industrial equipment is ready.
S307, make to concentrate transponder periodically to gather the information of industrial equipment according to the instruction bag of the information of the collection industrial equipment that prestores;
Concentrate the downlink port and the industrial equipment that meets RS485 of transponder
S308, make to concentrate transponder to set up UDP with server and communicate by letter;
After concentrated transponder is periodically collected the information of all types of industries equipment, sets up UDP with server and communicate by letter, in order to the information of the industrial equipment being collected is sent to server.
S309, make to concentrate transponder that the industrial equipment information collecting is sent to server according to UDP communication;
After concentrated transponder collection regularly collects the information of each industrial equipment, the information exchange collecting is crossed to UDP communication and be sent to server.So, server can the regular information that inquires each industrial equipment, the various data messages that whether industrial equipment breaks down in instant knowing, the state of industrial equipment and industrial equipment obtain.Described data message refers to the real time data that industrial equipment gets, and for example, when industrial equipment is ammeter, this data message refers to power consumption etc.
S310, make to concentrate transponder to judge whether to receive the instruction of the information of a certain industrial equipment of collection that server sends; If receive the instruction of the information of a certain industrial equipment of collection of server transmission, enter S311 step; If do not receive the instruction of the information of a certain industrial equipment of collection of server transmission, proceed to S307 step;
If S311 receives the instruction of the information of a certain industrial equipment of collection of server transmission, concentrate transponder according to the information of this instruction acquisition and the corresponding industrial equipment of this instruction, proceed to S308 step.
In the present embodiment, in server, the IP of pre-stored each concentrated transponder bag, makes server to set up UDP with concentrated transponder at any time and communicates by letter; In the time that server address occurs to change, the IP bag of change is sent to concentrated transponder by server, concentrates the IP bag after changing that transponder sends according to server to carry out automatically resolving configuration;
Server end creates the instruction bag that gathers industrial equipment, and this instruction bag is control protocol, comprises the characteristic informations such as protocol type, baud rate, parity bit, data bit, position of rest in it; Server end is issued to the instruction bag of establishment to concentrate transponder to store; Concentrated transponder can periodically gather according to the instruction bag of storage the information of the collection class industrial equipment being connected with concentrated transponder, the information exchange collecting is crossed to UDP communication and be sent to server; So, server can clearly be recognized the information of each industrial equipment; And also can clearly recognize the information of each concentrated transponder.
Embodiment of the present invention, even if the address of server is because different reasons has been done change, also can connect with concentrated transponder very easily, receives the Information Monitoring of concentrating transponder to send, and further Information Monitoring is further managed.
Refer to Fig. 4, Fig. 4 is the block diagram of information collecting device the first embodiment of the present invention.The information collecting device of the present embodiment comprises being located to be concentrated in transponder:
The first pre-storing module 101, the instruction bag of the information that gathers industrial equipment for prestoring in concentrated transponder;
Described industrial equipment is the industrial equipment that gathers class, and it includes but not limited to: water power, ammeter, water valve, temperature-humidity monitoring instrument, elevator controller, fire alarm, building controller, new wind controller, air quality detector etc.Industrial equipment can be installed on each floor, and for example water meter, for obtaining the water consumption of each floor; For example ammeter, for obtaining power consumption of floor etc.Described instruction bag refers to the instruction of each information that gathers industrial equipment, instruction bag can be the communication protocol packet of following communication protocol same between industrial equipment, concentrator and server, includes and concentrate the messaging parameter of transponder, the instruction of Information Monitoring in instruction bag; Wherein, messaging parameter comprises the characteristic informations such as protocol type, baud rate, parity bit, data bit, position of rest; Instruction includes but not limited to: gather industrial equipment status command, fault instruction, gather data (such as water consumption, power consumption etc.) instruction of recording in industrial equipment etc.
The Main Function of described instruction bag is to make to concentrate transponder can automatically gather according to this instruction bag the information of industrial equipment, and the information of described industrial equipment comprises the data message that state information, fault message, the interior record of industrial equipment or Real-time Obtaining arrive.So, as long as make all industrial equipments all can be connected to this concentrator, as long as make the communication protocol of described industrial equipment meet the communication protocol of concentrator and server, having solved each traditional class acquisition system need to independently connect up, and independently adopts and concentrates transponder, independently server and software systems.This first pre-storing module prestores in concentrated transponder, typically refers to and can adopt any mode to be pre-stored in this concentrated transponder, for example, can adopt the mode of Long-distance Control that above-mentioned instruction bag is pre-stored in industrial equipment.
The first acquisition module 102, for periodically gathering the information of industrial equipment according to the instruction bag of the information of the collection industrial equipment prestoring;
Concentrated transponder comprises uplink port and downlink port, and uplink port is connected with server communication by network; Downlink port is connected with industrial equipment by RS485, and concentrated transponder connects different classes of industrial equipment, for example ammeter class, water meter class, humiture detection type, elevator control class etc.Owing to storing the instruction bag of same communication protocol in concentrated transponder, i.e. communication protocol packet, to make concentrating transponder to take inhomogeneous industrial equipment according to this communication protocol packet.
Described the first acquisition module 102 makes described concentrated transponder gather the information of the industrial equipment being attached thereto at interval of the default time according to the instruction bag prestoring, with in real time, gather regularly real time information or the data of industrial equipment.
Sending module 103, for being sent to server by the information of the industrial equipment collecting.
Described sending module 103 make to concentrate transponder according to communication protocol in real time, regularly by the real time information of the working equipment collecting or data, and follow described communication protocol the information collecting or data be sent to server.
In the present embodiment, concentrating transponder is at least one, serves as at least one.It is associated that server and concentrated transponder are all set up address, when concentrate transponder according in each functional module of the establishing when information collecting or data are sent to server, connect by IP address, port numbers and server, after connecting, the information collecting or data are sent to server.
Embodiment of the present invention, because concentrated transponder and all types of industries equipment and server are followed same communication protocol, can make to concentrate transponder can according to the instruction bag of interior storage in real time, the information of regular collection all types of industries equipment, and the information of industrial equipment is sent to server.The acquisition system that has further solved each traditional class need to independently connect up, adopt a series of problems such as installation complexity, the installation workload of independently concentrating transponder, independently server and software systems to bring are large, wiring is complicated.
Refer to Fig. 5, Fig. 5 is the block diagram of information collecting device the second embodiment of the present invention.The information collecting device of the present embodiment comprises and the first example structure or the pre-storing module of function same or analogous first, the first acquisition module and sending module, also comprises being located at and concentrates in transponder:
Judge module 204, concentrates transponder to judge whether the instruction of the information of a certain industrial equipment of collection that receives server transmission for making;
Concentrate transponder software to leave private port at network side, be exclusively used in the instruction of the information of a certain particular industry equipment of collection of forwarding server transmission, this port is transparent forwarding port, and the instruction of concentrating transponder to adopt transparent forwarding mechanism that server is sent is directly forwarded in specific industrial equipment.
The second acquisition module 205, for obtain the instruction of the information of a certain industrial equipment of collection that receives server transmission when judge module judgement, according to the information of this instruction acquisition and the corresponding equipment of this instruction.
In the time that server transmission need to be inquired about the information of a certain specific industrial equipment, independently send an information that gathers a certain specific industrial equipment, concentrated transponder receives after the instruction of information of a certain specific industrial equipment of collection of server transmission, this acquisition instructions of forwarding immediately, in the present embodiment, employing transparent forwarding mechanism, concentrates transponder directly to repeat to send the extremely above-mentioned a certain specific industrial equipment of acquisition instructions that this server sends; Industrial equipment has received that facility information is sent to concentrated transponder by the Information Monitoring that concentrated transponder forwards, and concentrates transponder that the facility information of sending out on the industrial equipment receiving is sent to server.
Because server memory contains the address of each concentrator, each concentrator, the parameter of each concentrator, the industrial equipment that each concentrator is corresponding, the parameter information of each industrial equipment, so in the time of a certain specific industrial equipment of server wants inquiry, can directly send the instruction that gathers a certain particular industry equipment to concentrating transponder.
Described sending module also, in the time that the second acquisition module 205 collects the information of a certain specific industrial equipment, is sent to server by this information.
Compared to the first embodiment of information collecting device, embodiment of the present invention, concentrated transponder both can gather the information of each industrial equipment in a conventional manner regularly, can also be according to burst mode, directly carry out the mode of transparent forwarding instruction, gather the information of a certain specific industrial equipment; Meet the collection of various ways, in function, promoted widely.
Refer to Fig. 6, Fig. 6 is the block diagram of the present invention's information collecting device the 3rd embodiment.The information collecting device of the present embodiment comprises and the second example structure or the pre-storing module of function same or analogous first, the first acquisition module, sending module, judge module and the second acquisition module, also comprises:
Be located in server:
The second pre-storing module 301, for the IP bag of each concentrated transponder that prestores at server; The IP of described each concentrated transponder comprises: the IP address of each concentrated transponder, MAC Address, port numbers; If server and concentrated transponder be not in same local area network (LAN), described IP bag also comprises: the gateway address of each concentrated transponder, gateway MAC Address;
The first communication building block 302, for making server set up UDP communication according to the IP bag of each concentrated transponder;
Making the concentrated transponder of server and each set up UDP communicates by letter, so, no matter whether the IP address of server is changed or whether server is directed at the changes such as IP address, gateway because of the conversion of real space address, as long as server disposes concentrated transponder, all can set up and communicate by letter with concentrated transponder at any time.In this example, first set up UDP communication by server.
Be located at and concentrate in transponder:
The first receiver module 303, the IP bag of the server sending for reception server; The IP of described server comprises: the IP address of server, MAC Address, port numbers; If server and concentrated transponder be not in same local area network (LAN), described IP bag also comprises: the gateway address of server, gateway MAC Address; Concentrated transponder comprises uplink port and downlink port, and uplink port is connected with the port of server; Downlink port is RS485 port, is connected with the collection class industrial equipment of all RS485 of meeting ports;
Adaptive configuration module 304, for the IP bag and the server adaptive configuration that send according to server, is connected so that concentrate transponder to set up IP with server;
Occur after changing when newly setting up server or server address, the IP bag of server is after changing communicated by letter and is sent to concentrated transponder by UDP.Concentrate transponder to carry out adaptive configuration according to the IP bag of server new or after changing, even if concentrate transponder IP bag automatic and server automatically to configure, when making subsequent set transfer hair device send the information of industrial equipment gathering to server, be sent to accurately server according to the IP bag of the server of configuration.Concentrated transponder is resolved after receiving the IP bag of server automatically, parses IP address in IP bag, gateway, gateway address, MAC Address etc., and carries out adaptive configuration according to the address parsing.
The second receiver module 305, the instruction bag of the information of the collection industrial equipment sending for reception server; Described instruction bag, i.e. communication protocol packet, comprises data configuration information and instruction in protocol package; This instruction wraps in server end and is made, and server is communicated by letter and is sent to concentrated transponder by UDP after making.
The described first pre-storing module, the instruction bag of the information of the collection industrial equipment that the server also receiving for prestoring sends;
Described the first acquisition module also, for according to the instruction bag of the information of the collection industrial equipment of the server transmission prestoring, periodically gathers the information of industrial equipment;
Second communication is set up module 306, for collecting after the information of industrial equipment at the first acquisition module and the second acquisition module, makes to concentrate transponder to set up UDP with server and communicates by letter; After concentrated transponder is periodically collected the information of all types of industries equipment, sets up UDP with server and communicate by letter, in order to the information of the industrial equipment being collected is sent to server;
Described sending module, is also sent to server for making to concentrate transponder that the information exchange of the industrial equipment collecting is crossed to UDP communication.
Embodiment of the present invention, even if the address of server is because different reasons has been done change, also can connect with concentrated transponder very easily, receives the Information Monitoring of concentrating transponder to send, and further Information Monitoring is further managed.
Refer to Fig. 7, Fig. 7 is the block diagram of information acquisition system the first embodiment of the present invention.The information acquisition system of the present embodiment comprises: server 71, concentrated transponder 72, industrial equipment 73 and information collecting device 74;
Described concentrated transponder 72 comprises uplink port and downlink port, and described uplink port is connected with server 71 communications by network; Downlink port is connected with industrial equipment 73;
The IP bag that prestores each concentrated transponder 72 in described server 71, server 71 is communicated by letter and is communicated by letter with each concentrated transponder 72 by UDP, and the IP bag of server 71 is sent to each concentrated transponder 72; Described server 71 is also for being pre-stored with the instruction bag of the information that gathers each industrial equipment 73 and prestoring the parameter information of each concentrated transponder 72 and industrial equipment 73; Can carry out the modification of parameter and industrial equipment 73 is increased or deleted each concentrated transponder 72 and/or industrial equipment 73 by server 71; Described server 71 is also for communicating by letter by UDP to concentrating transponder 72 to issue the instruction bag of the information of described industrial equipment 73;
Described concentrated transponder 72 is for the instruction bag of the above-mentioned industrial equipment 73 that prestores, the information of each industrial equipment 73 of collection by this instruction bag, and the information of the industrial equipment collecting 73 is sent to server 71;
Described industrial equipment 73, for recording and store information, is concentrated transponder 72 according to the acquisition of concentrator by sending on record or canned data;
Described information collecting device 74 is the information collecting device 74 described in any one claim in the claims 6 to 8, because being respectively placed on, the functional module in information collecting device 74 concentrates in transponder 72 and server 71, can carry out respectively the function of foregoing description to make server 71 and concentrated transponder, can make whole system all can gather the information of all kinds of industrial equipments, further make in the time setting up acquisition system to reduce complexity, workload, work difficulty of wiring etc.
Described server 71, concentrated transponder 72 and industrial equipment 73 are followed same communication protocol rule.
Wherein, described industrial equipment 73 is for gathering class industrial equipment, and it includes but not limited to ammeter, water meter, water valve, temperature-humidity monitoring instrument, elevator controller, fire protection warning detector, building control detector, new wind control detector and/or air quality detector.
Embodiment of the present invention, can make the information of the industrial equipment of acquisition system to each class, as long as the industrial equipment of each class can be connected with concentrated transponder, follows same communication protocol; And acquisition system of the present invention can reduce complexity, workload, work difficulty of wiring etc. in the time setting up, and also reduces on the other hand cost.
These are only embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (10)

1. an information collecting method, comprising:
The instruction bag of the information that gathers industrial equipment that prestores in concentrated transponder, described instruction bag comprises: follow messaging parameter and the instruction of same communication protocol;
Make to concentrate transponder periodically to gather the information of industrial equipment according to the instruction bag of the information of the collection industrial equipment prestoring;
Make to concentrate transponder that the information of the industrial equipment collecting is sent to server.
2. information collecting method as claimed in claim 1, is characterized in that, also comprises:
Make to concentrate transponder to judge whether the instruction of the information of a certain industrial equipment of collection that receives server transmission;
If receive the instruction of the information of a certain industrial equipment of collection of server transmission, concentrate transponder according to the information of this instruction acquisition and the corresponding equipment of this instruction.
3. information collecting method as claimed in claim 1 or 2, is characterized in that, before the instruction step of the information of the collection industrial equipment that prestores in concentrated transponder, also comprises:
The IP bag of each concentrated transponder prestores in server;
Make server set up UDP communication according to the IP bag of each the concentrated transponder prestoring;
Make the IP bag of the server of concentrating the transmission of transponder reception server;
Make the IP bag and server adaptive configuration of concentrating transponder to send according to server, be connected so that concentrate transponder to set up IP with server;
Make the instruction bag of the information of the collection industrial equipment of concentrating the transmission of transponder reception server;
Describedly also comprise the instruction of the information of the collection industrial equipment that the server that receives of prestoring sends in the instruction bag step of concentrating the information that gathers industrial equipment of prestoring in transponder.
4. information collecting method as claimed in claim 3, is characterized in that, the step that the information of the industrial equipment collecting is sent to server comprises:
Making to concentrate transponder to set up UDP with server communicates by letter;
Make to concentrate transponder that the information of the industrial equipment collecting is sent to server according to udp protocol.
5. information collecting method as claimed in claim 4, is characterized in that, also comprises:
Make the instruction bag of the information of the amended collection industrial equipment of concentrating the transmission of transponder reception server;
Describedly also comprise the instruction bag of the information of the amended industrial equipment that the server that receives of prestoring sends in the instruction bag step of concentrating the information that gathers industrial equipment of prestoring in transponder;
The information that the instruction bag of the information of the collection industrial equipment that described basis prestores periodically gathers industrial equipment also comprises, periodically gathers the information of industrial equipment according to the instruction bag of the information of the amended industrial equipment prestoring.
6. an information collecting device, comprising:
Be located at and concentrate in transponder:
The first pre-storing module, the instruction bag of the information that gathers industrial equipment for prestoring in concentrated transponder;
The first acquisition module, for periodically gathering the information of industrial equipment according to the instruction bag of the information of the collection industrial equipment prestoring; And
Sending module, for being sent to server by the information of the industrial equipment collecting.
7. information collecting device as claimed in claim 5, is characterized in that, also comprises:
Be located at and concentrate in transponder:
Judge module, concentrates transponder to judge whether the instruction of the information of a certain industrial equipment of collection that receives server transmission for making; And
The second acquisition module, for obtain the instruction of the information of a certain industrial equipment of collection that receives server transmission when judge module judgement, according to the information of this instruction acquisition and the corresponding equipment of this instruction.
8. the information collecting device as described in claim 5 or 6, is characterized in that, also comprises:
Be located in server:
The second pre-storing module, for the IP bag of each concentrated transponder that prestores at server; And
The first communication building block, for making server set up UDP communication according to the IP bag of each concentrated transponder;
Be located at and concentrate in transponder:
The first receiver module, the IP bag of the server sending for reception server;
Adaptive configuration module, for the IP bag and the server adaptive configuration that send according to server, is connected so that concentrate transponder to set up IP with server; And
The second receiver module, the instruction bag of the information of the collection industrial equipment sending for reception server;
The described first pre-storing module, the instruction of the information of the collection industrial equipment that the server also receiving for prestoring sends.
9. an information acquisition system, is characterized in that, comprising:
Server, concentrated transponder, industrial equipment and information collecting device;
The uplink port of described concentrated transponder is connected with server communication by network; Downlink port is connected with industrial equipment;
The IP bag that prestores each concentrated transponder in described server, server is communicated by letter and is communicated by letter with each concentrated transponder by UDP, and the IP bag of server is sent to each concentrated transponder; Described server is also for being pre-stored with the instruction bag of the information that gathers each industrial equipment and prestoring the parameter information of each concentrated transponder and industrial equipment; Can carry out the modification of parameter and industrial equipment is increased or deleted each concentrated transponder and/or industrial equipment by server; Described server is also for communicating by letter by UDP to concentrating transponder to issue the instruction bag of the information of described industrial equipment;
Described concentrated transponder is for prestoring the instruction bag of above-mentioned industrial equipment, the information of each industrial equipment of collection by this instruction bag, and the information of the industrial equipment collecting is sent to server;
Described industrial equipment, for recording and store information, will be sent to concentrated transponder according to the acquisition of concentrator on record or canned data;
Described information collecting device is the information collecting device described in any one claim in the claims 6 to 8;
Described server, concentrated transponder and industrial equipment are followed same communication protocol rule.
10. information acquisition system as claimed in claim 9, is characterized in that: described industrial equipment is for gathering class industrial equipment.
CN201410059120.9A 2014-02-20 2014-02-20 Method, device and system for collecting information Pending CN103825893A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105827682A (en) * 2015-01-09 2016-08-03 大唐电信科技股份有限公司 Data uploading and downloading methods and devices thereof
CN106292430A (en) * 2016-08-17 2017-01-04 广东中设智控科技股份有限公司 Data acquisition unit
CN106341484A (en) * 2016-09-29 2017-01-18 宁波舜宇智能科技有限公司 Device management system and method
CN110515886A (en) * 2019-09-05 2019-11-29 天通吉成机器技术有限公司 A kind of slave computer control method, system, storage medium and industrial personal computer

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101231780A (en) * 2008-02-29 2008-07-30 常州天鹅科技有限公司 Remote meter reading system based on RF and GPRS radio network
US20090178139A1 (en) * 2008-01-09 2009-07-09 Global Dataguard, Inc. Systems and Methods of Network Security and Threat Management
CN101751023A (en) * 2008-12-12 2010-06-23 北京航空航天大学 Main control part and method for multi-parameter real-time measurement and control system
CN102065134A (en) * 2010-12-14 2011-05-18 广东雅达电子股份有限公司 Remote concentrated meter reading system
CN102170382A (en) * 2011-03-31 2011-08-31 中山大学深圳研究院 System of monitoring household terminal device by intelligent network in digital house
CN102184630A (en) * 2011-05-09 2011-09-14 广州从兴电子开发有限公司 Data acquisition concentrator and data acquisition method
CN102710606A (en) * 2012-05-08 2012-10-03 深圳市科陆电子科技股份有限公司 Method for remotely communicating main station system and local communication module of concentrator
CN102714814A (en) * 2012-03-06 2012-10-03 华为终端有限公司 Data transmission method and system, electrical gateway and master station
CN103051502A (en) * 2012-12-07 2013-04-17 广东电网公司佛山供电局 System and method of self-organized networking and flexible accessing of intelligent power equipment in electricity utilization community
US20130234862A1 (en) * 2011-08-19 2013-09-12 University Of North Florida Board Of Trustees Street Light Monitoring System
CN203313202U (en) * 2013-05-28 2013-11-27 中国人民解放军后勤工程学院 Network communication concentrator
WO2013176463A1 (en) * 2012-05-22 2013-11-28 한국전자통신연구원 Apparatus and method for collecting network data traffic

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090178139A1 (en) * 2008-01-09 2009-07-09 Global Dataguard, Inc. Systems and Methods of Network Security and Threat Management
CN101231780A (en) * 2008-02-29 2008-07-30 常州天鹅科技有限公司 Remote meter reading system based on RF and GPRS radio network
CN101751023A (en) * 2008-12-12 2010-06-23 北京航空航天大学 Main control part and method for multi-parameter real-time measurement and control system
CN102065134A (en) * 2010-12-14 2011-05-18 广东雅达电子股份有限公司 Remote concentrated meter reading system
CN102170382A (en) * 2011-03-31 2011-08-31 中山大学深圳研究院 System of monitoring household terminal device by intelligent network in digital house
CN102184630A (en) * 2011-05-09 2011-09-14 广州从兴电子开发有限公司 Data acquisition concentrator and data acquisition method
US20130234862A1 (en) * 2011-08-19 2013-09-12 University Of North Florida Board Of Trustees Street Light Monitoring System
CN102714814A (en) * 2012-03-06 2012-10-03 华为终端有限公司 Data transmission method and system, electrical gateway and master station
CN102710606A (en) * 2012-05-08 2012-10-03 深圳市科陆电子科技股份有限公司 Method for remotely communicating main station system and local communication module of concentrator
WO2013176463A1 (en) * 2012-05-22 2013-11-28 한국전자통신연구원 Apparatus and method for collecting network data traffic
CN103051502A (en) * 2012-12-07 2013-04-17 广东电网公司佛山供电局 System and method of self-organized networking and flexible accessing of intelligent power equipment in electricity utilization community
CN203313202U (en) * 2013-05-28 2013-11-27 中国人民解放军后勤工程学院 Network communication concentrator

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
孙优贤: "《过程控制科学技术与应用-第19届中国过程控制会议论文集》", 31 August 2008, 北京化学工业出版社 *
宁占彬: "基于STM32F050的RS485数据转发器设计", 《电脑编程技巧与维护》 *
张聪: "基于ZigBee技术的智能电表的研究与设计", 《中国优秀硕士学位论文全文数据库 信息科技辑(2013)》 *
袁钦成: "《配电系统故障处理自动化技术》", 31 January 2007, 北京中国电力出版社 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105827682A (en) * 2015-01-09 2016-08-03 大唐电信科技股份有限公司 Data uploading and downloading methods and devices thereof
CN106292430A (en) * 2016-08-17 2017-01-04 广东中设智控科技股份有限公司 Data acquisition unit
CN106341484A (en) * 2016-09-29 2017-01-18 宁波舜宇智能科技有限公司 Device management system and method
CN106341484B (en) * 2016-09-29 2019-09-13 宁波舜宇智能科技有限公司 Equipment management system and method
CN110515886A (en) * 2019-09-05 2019-11-29 天通吉成机器技术有限公司 A kind of slave computer control method, system, storage medium and industrial personal computer

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