CN101369927A - Universal remote automatic data acquisition system - Google Patents
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- CN101369927A CN101369927A CNA2008100133309A CN200810013330A CN101369927A CN 101369927 A CN101369927 A CN 101369927A CN A2008100133309 A CNA2008100133309 A CN A2008100133309A CN 200810013330 A CN200810013330 A CN 200810013330A CN 101369927 A CN101369927 A CN 101369927A
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Abstract
A general remote automatic data acquisition system includes a case and a circuit control plate mounted in the case. The circuit control plate comprises a CPU chip U4, a Flash chip U2, a memory chip U1, an adjustable conversion power chip U3, a reduction chip U5, a serial chip U6 and a net mouth chip U7. An address wire and a data wire of the CPU chip U4 are respectively correspondingly connected to the address wire and the data wire of other chips, and access a computer network through a net wire remote monitoring terminal. The general remote automatic data acquisition system also accesses the same computer network through a net wire, the remote monitoring terminal can communicate with the general remote automatic data acquisition system through the computer network. The general remote automatic data acquisition system is connected to a monitored acquisition device through a serial interface and a serial wire. A software part modularizes comprising a transmitting data acquisition command module assembling of the remote monitoring terminal and an acquisition data returning the remote monitoring terminal module assembling of the monitored acquisition device. The general remote automatic data acquisition system has advantages of scientific and reasonable design, full of originality, beautiful appearance, compact and tight structure, stabilization, reliability, easy operation, strong practicability and economy and application; The general remote automatic data acquisition system suits for the network remote automatic data acquisition.
Description
Technical field
What the present invention relates to is the computer monitoring acquisition system, concrete is can be to not possessing or the computer or all kinds of intelligent electronic information equipment of network loss communication capacity carry out remote automatic data acquisition, for the remote monitoring end provides corresponding data, improve supervisory control system failure diagnosis precision, enlarge a kind of universal remote automatic data acquisition system of data acquisition scope.
Background technology
Any electronic equipment each link or each parts under its normal operating conditions should have the corresponding work parameter, computer or all kinds of intelligent electronic information equipment in particular for communication, hardware and software all keeps the corresponding work state in normal work and communication process, and promptly the relevant job information of the hardware and software in the system is carried out data acquisition, transmits and corresponding the processing, be the basic function that present various monitoring, network system for managing should possess.Influence whole system and judge and carry out and in system, be provided with the remote monitoring end for individual device in the anti-locking system goes wrong, gather their operation conditions of data analysis of various kinds of equipment by acquisition system, thereby the fault that exists in the discovery system timely and accurately, maybe can find possible hidden danger, and then remind the timely handling failure problem of related personnel.
Yet the acquisition system of using but exists some shortcomings and deficiency at present.The common feature of any network system is that equipment is numerous, Regional Distribution is extensive, if this is equipped with the attendant of complete monitored maintenance equipment and specialty, difficulty certainly the more, in addition, but exist in the network system that has and do not possess in a large number or computer or other electronic equipment of network loss communication capacity, this data acquisition to whole system, monitoring and diagnosis have all brought suitable difficulty.Also have, the equipment of general networking system is numerous and jumbled, various informative, this causes the numerous and diverse property to the data acquisition of common network system again, therefore monitoring, processing and the diagnosis to different classes of data caused difficulty again on carrying out, always can not be numerous at kind, the equipment that structure, performance vary, be the special data acquisition system of each type equipment development, the time that such data acquisition system is handled, the workload of programming, the difficulty of regular maintenance and cost etc. all are the big problems that can not be ignored.
Summary of the invention
The objective of the invention is at present variety of network systems not possessing or the method for dealing with of network loss communication capacity equipment exists shortcoming and not enough, and a kind of universal remote automatic data acquisition system of flexible, convenient, suitable various types of networks is provided.
The technical scheme that adopts is:
Universal remote automatic data acquisition system is made up of hardware and software two parts, and hardware components comprises universal remote automatic data acquisition device and monitored collecting device;
Described universal remote automatic data acquisition device, comprise housing and be contained in circuit control panel in the housing, the front panel of housing is provided with mains switch and reset switch, is provided with power supply indicator, network indicator light and serial ports indicator light simultaneously, and the back side of housing is provided with serial interface and network interface.
Described circuit control panel comprises cpu chip U4, fast Flash chip U2, memory chip U1, the adjustable converting power source chip U3 of communication, chip U5, serial port chip U6 and network interface chip U7 reset;
Cpu chip U4 address wire AD[9:0] with the address wire AD[9:0 of flash chip U2] corresponding connection, the data wire D[7:0 of cpu chip U4] with the data wire SD[7:0 of flash chip U2] corresponding connection, the chip selection signal CS of cpu chip U4 is connected with the chip selection signal CS of flash chip U2;
Cpu chip U4 address wire AD[9:0] with the address wire AD[9:0 of memory chip U1] corresponding connection, the data wire D[7:0 of cpu chip U4] with the data wire SD[7:0 of memory chip U1] corresponding connection, read-write end pin IOWR, the IOWD of cpu chip U4 links to each other with memory chip U1 read-write end pin IOWR, IOWD respectively;
The out end of adjustable converting power source chip U3 is connected with the VCC end of cpu chip U4, the end of mains switch K1 on the in of adjustable converting power source chip U3 end and the casing is connected, the other end of mains switch K1 on the casing is connected with the anode of battery E, and the ADJ end of adjustable converting power source chip U3 is connected through the negative terminal of resistance R 2 with battery E;
The VCC end of chip U5 of resetting is held with the VCC of cpu chip U4 and is connected, the GND end of chip U5 of resetting is held with the GND of cpu chip U4 and is connected, the NRESET end of chip U5 of resetting is held with the RESET of cpu chip U4 and is connected, VCC and the NRESET two ends parallel resistance R1 of chip U5 reset, the end of the reset switch K2 on MR end and the casing of chip U5 of resetting is connected, and the GND of the chip U5 that resets holds with the other end of reset switch K2 on the casing and is connected.
The XTIP1 end of cpu chip U4 is connected with crystal oscillator Y1 one end, the crystal oscillator Y1 other end is connected with the XTIP2 end of cpu chip U4, the XTIP1 end of cpu chip U4 is connected with an end of capacitor C 1, capacitor C 1 other end is connected with the GND end of cpu chip U4, the XTIP2 end of cpu chip U4 is connected with an end of capacitor C 2, and capacitor C 2 other ends are connected with the GND end of cpu chip U4.
The T1in end of serial port chip U6 is connected with the PC4 end of cpu chip U4, this connection is used for the data that serial port chip U6 receives cpu chip U4, the R2out end of serial port chip U6 is connected with the PC5 end of cpu chip U4, this connection is used for serial port chip U6 and sends data to cpu chip U4, the V+ end of serial port chip U6 is connected with capacitor C 3 one ends, capacitor C 3 other ends are connected with the VCC end of cpu chip U4, the V-end of serial port chip U6 is connected with capacitor C 4 one ends, capacitor C 4 other ends are connected with the GND end of cpu chip U4, and V+ end and V-end are used for serial port chip U6 is powered.7 ends of the serial interface on the T1out of serial port chip U6 end and the casing are connected, this connection is used for the universal remote automatic data acquisition device and sends data to monitored collecting device, the R1in end of serial port chip U6 is connected with 8 ends of the serial interface of casing, this connection is used for the universal remote automatic data acquisition device and receives the data that monitored collecting device sends, and the GND end of serial port chip U6 is connected with 9 ends of the serial interface of casing.
The SD[7:0 of network interface chip U7] end and the D[7:0 of cpu chip U4] hold corresponding connection, this connection is used for transfer of data between network interface chip U7 and the cpu chip U4, the RX+ end of network interface chip U7 is connected with 10 ends of the network interface of casing, the RX-end of network interface chip U7 is connected with 11 ends of the network interface of casing, these two connections are used for universal remote automatic data acquisition device receiving remote monitoring client data, the TX+ end of network interface chip U7 is connected with 12 ends of the network interface of casing, the TX-end of network interface chip U7 is connected with 13 ends of the network interface of casing, and these two connections are used for the universal remote automatic data acquisition device and send data to the remote monitoring end.
Described remote monitoring end and monitored collecting device are the general former of network.
Universal remote automatic data acquisition system as shown in Figure 4, the remote monitoring termination is gone in the network of this universal remote automatic data acquisition system by netting twine, at this moment the remote monitoring end just can communicate by this universal remote automatic data acquisition system, and akebi is connected with monitored collecting device with the universal remote automatic data acquisition device in the remote automatic data acquisition system is terminal.Promptly when the remote monitoring end is given an order image data,, arrive monitored collecting device through serial interface by sending instruction after the corresponding software module operation by this universal remote automatic data acquisition system of network network.When monitored collecting device returns to the remote monitoring end with data, workflow is with above-mentioned opposite.
Described software section is that modular construction is formed, and comprises that the remote monitoring end sends the data that data acquisition instruction module group collection and monitored collecting device gathered and returns remote monitoring end module group collection;
The remote monitoring end sends data acquisition instruction module group collection and comprises network communication module, command analysis module, proxy module, internal command processing module and order sending module.
Described network communication module main task has two, the one, the communication task of responsible universal remote automatic data acquisition system and remote monitoring end, the 2nd, whether the detecting universal remote automatic data acquisition system is unimpeded with communicating by letter of remote monitoring end, with the operating state of Adjustment System.It is the basic task of this module that network communication module is finished with communicating by letter of remote monitoring end, and this module is used for data acquisition instruction and the universal remote automatic data acquisition system built-in command that the receiving remote monitoring client sends.
Whether the detecting universal remote automatic data acquisition system is unimpeded with communicating by letter of remote monitoring end is an other task of universal remote automatic data acquisition system, because the data of universal remote automatic data acquisition system collection are the service of remote monitoring end, if communication can not be carried out between the two, universal remote automatic data acquisition system just enters abnormal operating state, in the non-normal working pattern whether transmitting system reset command of remote monitoring end of making the decision, universal remote automatic data acquisition system is restarted if receive.To adjust the operating state of universal remote automatic data acquisition system.Network communication module supports the multiple network agreement to comprise IP, TCP, and UDP, FTP, TFTP, Telnet, DNS, ICMP, PPP, SMTP, HTTP, POP3, SNMP etc., and allow relevant parameter is provided with.The command analysis processing module is issued in the instruction that network communication module will receive.
Mentioned order dissection process module is that the order that will send is that data are carried out dissection process, uses for other module.Workflow as shown in Figure 6.It at first is data extract single command with integral body, and this extraction is to order end mark "/" to be realized by checking, next will the particular content of this order be detected, see and whether meet corresponding requirement, the order of being sent to next module with assurance is accurate, thereby can not go wrong in the process of implementation.If in this detection, pinpoint the problems, then send prompting, just the execution of this order is so far to the remote monitoring end.If meet the requirements, then further handle again.Will judge that promptly this order belongs to internal command or general orders, be sent to different modules according to the difference of judged result, general orders will be sent to proxy module, and internal command will be sent to the internal command processing module.
Above-mentioned proxy module workflow as shown in Figure 7, its function is to determine to send which kind of instruction to monitored collecting device, and whether need return value, a plurality of Agents are installed in the proxy module, at different equipment, that universal remote automatic data acquisition system is applied to is different from collecting device by changing agent functionality.
Above-mentioned internal command processing module workflow as shown in Figure 8, the order of the non-direct Information Monitoring of its main processing remote monitoring client comprises the selection of universal remote automatic data acquisition system to the different acquisition mode.The software of universal remote automatic data acquisition system is supported the several data acquisition mode: active, and passive type, poll formula, trigger-type.The selection of concrete data acquisition modes is controlled by the inter-process command processing module.Proxy module and command processing module with data processing after, be sent to the order sending module.
Mentioned order sending module flow chart as shown in Figure 9, the order sending module is to send being gathered or control command by the equipment of image data; When this module when monitored collecting device sends data, the reaction of monitored collecting device can be divided into two classes, the one: monitored collecting device return data, the 2nd: monitored collecting device does not have data to return, and does not just have task to respond.Need in the first information of the data of returning, indicate 1 for first kind of situation and the return data of monitored collecting device be filled until Data Receiving successively from second finish then, these data be returned promptly finished the work.Only need compose 0 in the first place of return data for second kind of situation just can directly return information.The order sending module sends to proxy module with the data that receive.
The data that above-mentioned monitored collecting device is gathered are returned remote monitoring end module group collection and are comprised order sending module, proxy module, data encapsulation module and network communication module.Wherein order the function of sending module and network communication module identical with the function that the remote monitoring end sends data acquisition instruction module group centralized command sending module and network communication module.Proxy module is that data are carried out preliminary treatment, different preliminary treatment is finished by different subprograms, the selection of different subprograms is determined by mode bit, preliminary treatment to data comprises two parts: one, extract the data that monitored collecting device return information medium-long range monitoring client needs and convert thereof into universal remote automatic data acquisition system and form that the remote monitoring end can be discerned and handle, as a certain data be character type or integer or floating type, can be converted to same form also can be according to the type of the agreement of universal remote automatic data acquisition system and remote monitoring end decision remote monitoring end data.Two, the processing of as required data being carried out, the data as a certain collection comes need it to reach certain limit, perhaps its variation has surpassed boundary and has just sent, this mode is equivalent to a kind of type of alarm, can alleviate the burden of remote monitoring end and network greatly, and is very practical.This method can the different problem of flexible processing, and concrete design still will be determined according to equipment needs and actual conditions certainly.Proxy module sends to the data encapsulation module with pretreated data.
Above-mentioned data encapsulation module flow chart as shown in figure 10.Its data that mainly are remote automatic data acquisition system is issued the remote monitoring end encapsulate, and data encapsulation is in application layer herein, need the content of encapsulation to comprise corresponding order numbering, result and related data etc.At not receiving this a kind of situation of equipment return information in the collection result, by to not receiving that data times N f carries out a statistics, if N
f〉=N0 (N
0Errors number for the permission set) time, this module can be worked as N from the prompting of trend remote monitoring end photos and sending messages
0Mistake then occurred at=1 o'clock at every turn and all can point out, for N
0Can specifically determine according to actual conditions.
Packaged data send to network communication module again, and network communication module is issued the remote monitoring end with the data that collect and finished data acquisition.
Working principle of hardware of the present invention:
Remote monitoring end in the universal remote automatic data acquisition system and a plurality of monitored collecting device are the off-the-shelf hardwares of respectively finalizing the design, and the circuit control panel of universal remote automatic data acquisition device mainly is made up of cpu chip U4, internal memory, flash, power circuit, reset circuit, crystal oscillating circuit, serial ports and network interface.
What cpu chip U4 chip was selected for use is the Rabbit3000 chip, and the Rabbit semiconductor device is special in being applied to a kind of high-performance microprocessor that middle-size and small-size controller designs.Rabbit is easy to use, and its hardware and software interface have all farthest been realized safe succinct, and supporting language is a kind of improved C language development system (dynamically C-Dynamic C).
Flash is used to store the remote automatic data acquisition program, and after device power-up, the Automatic Program among the flash is loaded in the internal memory and starts.Internal memory is used for the data of universal remote automatic data acquisition process, collection and the storage of ephemeral data.Read-write IOWR, the IOWD of cpu chip U4 links to each other with memory read-write signal IOWR, IOWD, and read-write is used to judge that cpu chip U4 is rdma read or writes internal memory.
Power circuit is each chip power supply for universal remote automatic data acquisition system; battery is all kinds of chip power supplies through adjustable converting power source chip U3 output 3.3V voltage in the power circuit; adjustable converting power source chip U3 also provides perfect overload protection function; comprise upper current limit control, thermal overload protection and place of safety protection etc., even and also can provide perfect defencive function under these overload protection functions situation that externally adjustable end member spare does not have to connect.Reset circuit is used for universal remote automatic data acquisition system and restarts, adopt the integrated chip U5 that resets to finish this in the reset circuit design and installed reliable electrification reset and hand-reset, this chip not only has extremely low power consumption and has the function of Power Supply Monitoring, when supply voltage drops to default thresholding when following, it will produce reset signal and be used for universal remote automatic data acquisition system and reset.And the monitoring to power supply also has the function of shaking, and makes supply voltage produce falling of short time for certain interference, can not cause the generation of reset signal, has improved reliability.Crystal oscillating circuit is used to produce system clock, considers control Electro Magnetic Compatibility and the needs that reduce board area, adopts external crystal oscillator in the design, through producing the mode of the master clock of system behind the inner frequency multiplication of phase locked loop.Serial ports is used for the transmission of universal remote automatic data acquisition system and monitored collecting device data.Network interface is used for the transfer of data of universal remote automatic data acquisition system and remote monitoring end.
Software work principle of the present invention
The structural representation that universal remote automatic data acquisition system is connected with the remote monitoring end as shown in Figure 4, when the remote monitoring end sends the data acquisition instruction, send into the network interface end of universal remote automatic data acquisition system by network, data and information conveying flow such as the black solid arrow direction of Fig. 4 in this device carried out, promptly earlier by sending into the command analysis module after the network communication module, be divided into two-way from ordering parsing module to transport out, one the tunnel sends into proxy module, the internal command processing module is sent on another road, send into the order sending module again from the information that proxy module and internal command processing module are sent, the RS232 interface that outputs to this device from the order sending module is sent into monitored collecting device by Serial Port Line.When collecting data when universal remote automatic data acquisition system returns to the remote monitoring end from monitored collecting device, workflow is according to Fig. 4 hollow arrow and above-mentioned reverse execution, just at this moment without the internal command processing module.
(a) remote monitoring end transmission data acquisition instructs each module to carry out flow process
Wherein this module flow chart of network communication module as shown in Figure 5, its main task has two, one is responsible for the communication task of universal remote automatic data acquisition system and remote monitoring end, and whether two detecting notebook data harvesters are unimpeded with communicating by letter of remote monitoring end, with the operating state of Adjustment System.
It is the basic task of this module that network communication module is finished with communicating by letter of remote monitoring end, and this module is used for the data acquisition instruction that the receiving remote monitoring client sends.
Whether the detecting universal remote automatic data acquisition system is unimpeded with communicating by letter of remote monitoring end is an other task of universal remote automatic data acquisition system, because the data of universal remote automatic data acquisition system collection are the service of remote monitoring end, if communication can not be carried out between the two, it all is nonsensical then carrying out other tasks of data acquisition task dispatching again, so at this moment universal remote automatic data acquisition system just enters abnormal operating state, have only to receive remote monitoring end particular command again and could begin to carry out other normal tasks again.And these relevant tasks are all finished by this network communication module, the related work that this module mainly is responsible for is: judge whether universal remote automatic data acquisition system can carry out with communicating by letter of remote monitoring end, control system enters the non-normal working pattern, in the non-normal working pattern whether transmitting system reset command of remote monitoring end of making the decision, universal remote automatic data acquisition system is restarted if receive.
The order that command analysis module main task will send is that data are carried out dissection process, uses for other module.Workflow as shown in Figure 6.
The order that command analysis processing module main task transmits network interface is that data are handled, use for following module, it at first is data extract single command with integral body, and this extraction is by checking the order end mark '/' realize, next will the particular content of this order be detected, see whether meet corresponding requirement, the order of being sent to next module with assurance is accurate, thereby can not go wrong in the process of implementation.If in this detection, pinpoint the problems, then send prompting, just the execution of this order is so far to the remote monitoring end.If meet the requirements, then further handle again.
The proxy module workflow as shown in Figure 7.
The proxy module major function is to determine need send which type of order to monitored collecting device, whether this sends this order needs return value.A plurality of Agents are installed in the proxy module,, can be made this universal remote automatic data acquisition system be applied to different equipment by changing agent functionality at different equipment.
Internal command processing module workflow as shown in Figure 8.
The order of the non-direct Information Monitoring of the main processing controls end of internal command processing module comprises the selection of universal remote automatic data acquisition system to the difference agency.Universal remote automatic data acquisition system is supported the several data acquisition mode: active, and passive type, poll formula, trigger-type etc.The selection of concrete data acquisition modes is controlled by the inter-process command processing module.
Proxy module and command processing module with data processing after, be sent to the order sending module.
Order sending module flow chart as shown in Figure 9.
The order sending module is responsible for sending collection or control command to monitored collecting device
(b) the monitored collecting device data of being gathered return to remote monitoring end workflow
The order sending module is handled the differential responses of equipment.When this module when monitored collecting device sends data, the reaction of monitored collecting device can be divided into two classes, the one: monitored collecting device return data, the 2nd: monitored collecting device does not have data to return does not just have task to respond.Need in the first information of the data of returning, indicate 1 for first kind of situation and the return data of monitored collecting device be filled until Data Receiving successively from second finish then, these data be returned promptly finished the work.Only need compose 0 in the first place of return data for second kind of situation just can directly return information.
The order sending module sends to proxy module with the data that receive.Proxy module is mainly finished the data preprocessing function.Different preliminary treatment is finished by different subprograms, the selection of different subprograms is determined by mode bit, preliminary treatment to data comprises two parts: one, extract the data of monitored collecting device return information medium-long range monitoring client needs and convert thereof into universal remote automatic data acquisition system and form that the remote monitoring end can be discerned and handle, as a certain data be character type or integer or floating type, can be converted to same form also can be according to the type of the agreement of universal remote automatic data acquisition system and remote monitoring end decision remote monitoring end data.Two, the processing of as required data being carried out, the data as a certain collection comes need it to reach certain limit, perhaps its variation has surpassed boundary and has just sent, this mode is equivalent to a kind of type of alarm, can alleviate the burden of monitoring client and network greatly, and is very practical.This method can the different problem of flexible processing, and concrete design still will be determined according to equipment needs and actual conditions certainly.
Proxy module sends to the data encapsulation module with pretreated module.
Data encapsulation module flow chart as shown in figure 10.
The data encapsulation functions of modules mainly is that the data that universal remote automatic data acquisition system returns the remote monitoring end are encapsulated, and data encapsulation is in application layer herein, needs the content of encapsulation to comprise corresponding order numbering, result and related data etc.At not receiving this a kind of situation of equipment return information in the collection result, by to not receiving the data times N
fCarry out a statistics, if N
f〉=N
0(N
0Errors number for the permission set) time, this module can be worked as N from the prompting of trend remote monitoring end photos and sending messages
0Mistake then occurred at=1 o'clock at every turn and all can point out, for N
0Can specifically determine according to actual conditions.
Packaged data are sending to network communication module.Network communication module as shown in Figure 5.Network communication module is issued the remote monitoring end with the data that collect and is finished data acquisition.
Design science of the present invention, reasonable, original, aesthetic in appearance, compact conformation, tight, reliable and stable, easy and simple to handle, have stronger practicality, economic and practical, the suitable network remote automatic data acquisition of the present invention is used.
Description of drawings
Fig. 1 is that outward appearance of the present invention is faced structural representation.
Fig. 2 is the backsight structural representation of Fig. 1.
Fig. 3 is circuit theory diagrams of the present invention.
Fig. 4 is wood invention and remote monitoring end connection diagram.
Fig. 5 is a software network communication module FB(flow block) of the present invention.
Fig. 6 is a software command parsing module FB(flow block) of the present invention.
Fig. 7 is a software agent module FB(flow block) of the present invention.
Fig. 8 is a software inhouse command processing module FB(flow block) of the present invention.
Fig. 9 is a software command sending module FB(flow block) of the present invention.
Figure 10 is a software data package module FB(flow block) of the present invention.
Embodiment
Embodiment
Universal remote automatic data acquisition system is made up of hardware and software two parts, and hardware components comprises universal remote automatic data acquisition device and monitored collecting device 21;
Described universal remote automatic data acquisition device, comprise housing 1 and be contained in circuit control panel in the housing 1, the front panel of housing 1 is provided with mains switch K1 and reset switch K2, be provided with power supply indicator 2, network indicator light 3 and serial ports indicator light 4 simultaneously, the back side of housing 1 is provided with serial interface 6 and network interface 5.
Described circuit control panel comprises cpu chip U4, fast Flash chip U2, memory chip U1, the adjustable converting power source chip U3 of communication, chip U5, serial port chip U6 and network interface 5 chip U7 reset;
Cpu chip U4 address wire AD[9:0] with the address wire AD[9:0 of flash chip U2] corresponding connection, the data wire D[7:0 of cpu chip U4] with the data wire SD[7:0 of flash chip U2] corresponding connection, the chip selection signal CS of cpu chip U4 is connected with the chip selection signal CS of flash chip U2;
Cpu chip U4 address wire AD[9:0] with the address wire AD[9:0 of memory chip U1] corresponding connection, the data wire D[7:0 of cpu chip U4] with the data wire SD[7:0 of memory chip U1] corresponding connection, read-write end pin IOWR, the IOWD of cpu chip U4 links to each other with memory chip U1 read-write end pin IOWR, IOWD respectively;
The out end of adjustable converting power source chip U3 is connected with the VCC end of cpu chip U4, the end of mains switch K1 on the in of adjustable converting power source chip U3 end and the casing is connected, the other end of mains switch K1 on the casing is connected with the anode of battery E, and the ADJ end of adjustable converting power source chip U3 is connected through the negative terminal of resistance R 2 with battery E;
The VCC end of chip U5 of resetting is held with the VCC of cpu chip U4 and is connected, the GND end of chip U5 of resetting is held with the GND of cpu chip U4 and is connected, the NRESET end of chip U5 of resetting is held with the RESET of cpu chip U4 and is connected, VCC and the NRESET two ends parallel resistance R1 of chip U5 reset, the end of the reset switch K2 on MR end and the casing of chip U5 of resetting is connected, and the GND of the chip U5 that resets holds with the other end of reset switch K2 on the casing and is connected.
The XTIP1 end of cpu chip U4 is connected with crystal oscillator Y1 one end, the crystal oscillator Y1 other end is connected with the XTIP2 end of cpu chip U4, the XTIP1 end of cpu chip U4 is connected with an end of capacitor C 1, capacitor C 1 other end is connected with the GND end of cpu chip U4, the XTIP2 end of cpu chip U4 is connected with an end of capacitor C 2, and capacitor C 2 other ends are connected with the GND end of cpu chip U4.
The T1in end of serial port chip U6 is connected with the PC4 end of cpu chip U4, this connection is used for the data that serial port chip U6 receives cpu chip U4, the R2out end of serial port chip U6 is connected with the PC5 end of cpu chip U4, this connection is used for serial port chip U6 and sends data to cpu chip U4, the V+ end of serial port chip U6 is connected with capacitor C 3 one ends, capacitor C 3 other ends are connected with the VCC end of cpu chip U4, the V-end of serial port chip U6 is connected with capacitor C 4 one ends, capacitor C 4 other ends are connected with the GND end of cpu chip U4, and V+ end and V-end are used for serial port chip U6 is powered.7 ends of the serial interface 6 on the T1out of serial port chip U6 end and the casing 1 are connected, this connection is used for the universal remote automatic data acquisition device and sends data to monitored collecting device, the R1in end of serial port chip U6 is connected with 8 ends of the serial interface 6 of casing 1, this connection is used for the universal remote automatic data acquisition device and receives the data that monitored collecting device sends, and the GND end of serial port chip U6 is connected with 9 ends of the serial interface 6 of casing.
The SD[7:0 of network interface chip U7] end and the D[7:0 of cpu chip U4] hold corresponding connection, this connection is used for transfer of data between network interface chip U7 and the cpu chip U4, the RX+ end of network interface chip U7 is connected with 10 ends of the network interface 5 of Fig. 2 casing 1, the RX-end of network interface chip U7 is connected with 11 ends of the network interface 5 of Fig. 2 casing 1, these two connections are used for universal remote automatic data acquisition device receiving remote monitoring client data, the TX+ end of network interface chip U7 is connected with 12 ends of the network interface 5 of Fig. 2 casing 1, the TX-end of network interface chip U7 is connected with 13 ends of the network interface 5 of Fig. 2 casing 1, and these two connections are used for the universal remote automatic data acquisition device and send data to the remote monitoring end.
Remote monitoring end and monitored collecting device are the general former of network.
The network interface 5 of the casing 1 of universal remote automatic data acquisition device is connected with remote monitoring end 14 by netting twine, the serial interface 6 of casing 1 is connected with monitored collecting device 21 by lead, thereby this universal remote automatic data acquisition system can carry out both-way communication, and carries out teledata in real time through computing, the processing of corresponding software and gather automatically and transmission.
Universal remote automatic data acquisition system connects remote monitoring end figure as shown in Figure 4, go into the universal remote automatic data acquisition device by netting twine remote monitoring termination, and be connected with computer network by netting twine, at this moment the remote monitoring end just can communicate by computer network and universal remote automatic data acquisition system, and universal remote automatic data acquisition system is connected with monitored collecting device by serial interface again.Promptly when the remote monitoring end is given an order image data, arrive universal remote automatic data acquisition system, send instruction after the software module operation of universal remote automatic data acquisition system inside and arrive monitored collecting device through serial interface by netting twine.When monitored collecting device returns to monitoring client with data, workflow is with above-mentioned opposite.
Software section is that modular construction is formed, and comprises that the remote monitoring end sends the data that data acquisition instruction module group collection and monitored collecting device gathered and returns remote monitoring end module group collection;
The remote monitoring end sends data acquisition instruction module group collection and comprises network communication module 15, command analysis module 17, proxy module 18, internal command processing module 19 and order sending module 20.
The FB(flow block) of network communication module 15 as shown in Figure 5, promptly at first carry out beginning initialization block 22, then enter and whether retrieve the decision block 23 of normal operating conditions, if, enter the decision block 24 that whether has data to send, if will carry out that data encapsulation is sent frame 25, execute and return the decision block 24 that whether has data to send after data encapsulation sent frame 25, carry out partial circulating.If there are not data to need to send, program enters the decision block 27 of whether receiving data, if, program enters and will not receive that the data number of times puts 0 frame 28, then program enters the data processing block 29 of unpacking, this moment network service this section program or end, or turn back to the decision block 29 of whether receiving data, program is at this partial circulating.If confiscate data, program enters the decision block 30 of not receiving that data break is whether overtime, if, program enters hand not to data number+1 frame 31, then program is carried out to remote monitoring end photos and sending messages prompting frame 32, program enters and does not receive that the data number is the decision block 33 that transfinites subsequently, if not, whole procedure finishes, if program enters reporting system and enters abnormal operating state frame 34, program and decision block 23 backs of retrieving normal operating conditions whether are if not be all whether receive the input that restarts command determination frame 26 then, if program enters the notice universal remote automatic data acquisition system and enters normal operating conditions frame 35 until last end block 36.If not, return and whether receive the input that restarts command determination frame 26, circulate.
Its main task has two, and the one, the communication task of responsible universal remote automatic data acquisition system and remote monitoring end, the 2nd, whether the detecting universal remote automatic data acquisition system is unimpeded with communicating by letter of remote monitoring end, with the operating state of Adjustment System.Because the data of universal remote automatic data acquisition system collection are the service of remote monitoring end, if communication can not be carried out between the two, universal remote automatic data acquisition system just enters abnormal operating state, in the non-normal working pattern whether transmitting system reset command of remote monitoring end of making the decision, universal remote automatic data acquisition system is restarted if receive.To adjust the operating state of universal remote automatic data acquisition system.Network communication module supports the multiple network agreement to comprise IP, TCP, and UDP, FTP, TFTP, Telnet, DNS, ICMP, PPP, SMTP, HTTP, POP3, SNMP etc., and allow relevant parameter is provided with.The command analysis processing module is issued in the instruction that network communication module will receive.
Command analysis processing module 17 is that the order that will send is that data are carried out dissection process, uses for other module.The FB(flow block) of command analysis module 17 as shown in Figure 6, promptly at first carry out beginning initialization block 37, then extract the preceding data execution frame 38 of order fulfillment symbol "/" that network communication module sends, promptly extract the remote monitoring end and send to the order of general automatic data acquisition device, judge then whether this command format meets the decision block 39 of conventional data automatic data acquisition device command format, if it is undesirable, then send prompting and carry out frame 40, then fill order parsing module 17 end block 45 to the remote monitoring end; If meet general automatic data acquisition device command format, then carry out and send command parameter extraction execution frame 41, judge then whether this order belongs to conventional data automatic data acquisition device built-in command decision block 42, if, then submit to internal command processing module 19 processing blocks 44, then fill order parsing module 17 end block 45; If not, then proxy module processing block 43 is delivered in the data acquisition instruction and handled, then fill order parsing module 17 end block 45.Thereby can not go wrong in the process of implementation.If in this detection, pinpoint the problems, then send prompting, just the execution of this order is so far to the remote monitoring end.If meet the requirements, then further handle again.To judge that promptly this order belongs to internal command or general orders, difference according to judged result is sent to different modules, this judgement is to finish with the command number of order, and general orders will be sent to proxy module, and internal command will be sent to internal command processing module 19.
The FB(flow block) of above-mentioned proxy module 18 as shown in Figure 7, promptly at first carry out beginning initialization block 46, the then judgment data fourth command analysis processing module decision block 47 of whether originating, if, receive the data processing frame 48 that command analysis module 17 sends over, then send instruction and carry out frame 49, then carry out proxy module end block 55 to the order sending module; If data are not to derive from the command analysis processing module, judge the data decision block 50 whether these data are returned from the order sending module, if not, then carry out proxy module end block 55; If the data from ordering sending module to return are then carried out the data that receive and whether are carried out preliminary treatment decision block 51, if do not need, then the data of gathering are sent to data encapsulation resume module frame 52, then carry out proxy module end block 55; If desired the data of being gathered are carried out preliminary treatment, then corresponding data is delivered to data preprocessing procedures routine processes frame 53, judge then whether pretreated data send to remote monitoring end decision block 54, if desired, then preprocessed data is sent to data encapsulation resume module frame 52, then carry out proxy module end block 55; End block 55 is acted on behalf of in execution if preprocessed data need not return to the remote monitoring end.
Its function is to determine to send which kind of instruction to monitored collecting device, and whether needs return value, and a plurality of Agents are installed in the proxy module, at different equipment, can make this data acquisition system be applied to different equipment by changing agent functionality.
The FB(flow block) of above-mentioned internal command processing module 19 as shown in Figure 8, promptly at first carry out beginning initialization block 56, then judge and carry out any acquisition mode decision block 57 from the internal command of ordering parsing module 17 to send over, if adopt active acquisition mode, then carry out frame 58, general automatic data acquisition device carries out data acquisition according to active mode, then carries out internal command processing module 19 end block 62; If adopt the passive type acquisition mode, then carry out frame 59, general automatic data acquisition device carries out data acquisition according to passive mode, then carries out internal command processing module 19 end block 62; If adopt poll formula acquisition mode, then carry out frame 60, general automatic data acquisition device carries out data acquisition according to polling mode, then carries out internal command processing module 19 end block 62; If adopt the trigger-type acquisition mode, then carry out frame 61, general automatic data acquisition device carries out data acquisition according to triggering mode, then carries out internal command processing module 19 end block 62.
The order of the non-direct Information Monitoring of its main processing remote control end comprises the selection of universal remote automatic data acquisition system to the different acquisition mode.The software of universal remote automatic data acquisition system is supported the several data acquisition mode: active, and passive type, poll formula, trigger-type.The selection of concrete data acquisition modes is controlled by the inter-process command processing module.Proxy module and command processing module with data processing after, be sent to the order sending module.
The FB(flow block) of order sending module 20 as shown in Figure 9, promptly at first carry out beginning initialization block 63, then whether judgment data derives from proxy module decision block 64, if, empty serial ports and send and accept caching process frame 65, then receive the data of proxy module transmission and send instruction process frame 66 to monitored collecting device, then fill order sending module end block 72 by serial ports; If data are not to derive from proxy module, whether judgment data derives from the data decision block 67 that monitored collecting device sends, if not, fill order sending module end block 72 then; If derive from the data that monitored collecting device sends, then judge the data decision block 68 whether monitored collecting device returns in limiting time, if return data at the appointed time, then carry out the data initial character pre-script symbol ' 1 ' processing block 69 that to receive, then carry out and added character by the image data tail ' 0 ' processing block 70, then fill order sending module end block 72; If monitored collecting device is not a return data at the appointed time, then carry out the data initial character pre-script symbol ' 0 ' processing block 71 that will receive, then after character string, add character ' 0 ' processing block 70, follow fill order sending module end block 72.
Order sending module 20 is to gather or control command to being sent by the equipment of image data; When this module when monitored collecting device sends data, the reaction of monitored collecting device can be divided into two classes, the one: monitored collecting device return data, the 2nd: monitored collecting device does not have data to return, and does not just have task to respond.Need in the first information of the data of returning, indicate 1 for first kind of situation and the return data of monitored collecting device be filled until Data Receiving successively from second finish then, these data be returned promptly finished the work.Only need compose 0 in the first place of return data for second kind of situation just can directly return information.Order sending module 20 sends to proxy module with the data that receive.
Remote monitoring end module group collection comprises order sending module 20, proxy module 18, data encapsulation module 16 and network communication module 15.
Order sending module 20 workflow diagrams as shown in Figure 9, proxy module 18 workflow diagrams as shown in Figure 7, network communication module 15 workflow diagrams are as shown in Figure 5.
The FB(flow block) of data encapsulation module 16 as shown in figure 10, promptly at first carry out beginning initialization block 73, judge then whether the data that send from proxy module 18 receive the data decision block 74 that monitored collecting device sends, if, then the data that will be gathered and the corresponding command number are packaged together and send to remote monitoring end processing block 75 by network communication module, then carry out data package module 16 end block 79; If the data that send from proxy module 18 do not receive the data that monitored collecting device sends, then carrying out not, the image data number of times adds 1 processing block 76, judge then whether times of collection does not surpass restriction decision block 77, if do not surpass the number of times restriction, then carry out data package module 16 end block 79; If surpassed the number of times restriction, then send information processing block 78 to the remote monitoring end, prompting remote monitoring end does not all collect corresponding data through gathering several times, then carries out data package module 16 end block 79.
The data that monitored collecting device 21 is gathered are returned remote monitoring end module, through order sending module 20, proxy module 18, data encapsulation module 16 and network communication module 15.Wherein order the function of sending module 20 and network communication module 15 identical with the function that the remote monitoring end sends concentrated described order sending module 20 of data acquisition instruction module group and network communication module 15, proxy module 18 is that data are carried out preliminary treatment, different preliminary treatment is finished by different subprograms, the selection of different subprograms is determined by mode bit, preliminary treatment to data comprises two parts: one, the data that extraction equipment return information medium-long range monitoring client needs also convert thereof into universal remote automatic data acquisition system and form that the remote monitoring end can be discerned and handle, as a certain data be character type or integer or floating type, can be converted to same form also can be according to the type of the agreement of universal remote automatic data acquisition system and remote monitoring end decision remote monitoring end data.Two, the processing of as required data being carried out, the data as a certain collection comes need it to reach certain limit, perhaps its variation has surpassed boundary and has just sent, this mode is equivalent to a kind of type of alarm, can alleviate the burden of remote monitoring end 14 and network greatly, and is very practical.This method can the different problem of flexible processing, and concrete design still will be determined according to equipment needs and actual conditions certainly.Proxy module 18 sends to data encapsulation module 16 with pretreated data.
Above-mentioned data encapsulation module 16 flow charts as shown in Figure 7, it mainly is that the data that universal remote automatic data acquisition system is beamed back remote monitoring end 14 are encapsulated, data encapsulation is in application layer herein, needs the content of encapsulation to comprise corresponding order numbering, result and related data etc.At not receiving this a kind of situation of equipment return information in the collection result, by to not receiving the data times N
fCarry out a statistics, if N
f〉=N
0(N
0Errors number for the permission set) time, this module can be worked as N from the prompting of trend remote monitoring end photos and sending messages
0Mistake then occurred at=1 o'clock at every turn and all can point out, for N
0Can specifically determine according to actual conditions.
Packaged data send to network communication module 15 again, and network communication module 15 is issued remote monitoring end 14 with the data that collect and finished data acquisition.
Start monitoring client data acquisition window at remote monitoring end 14, monitoring client is to the universal remote automatic data acquisition system data acquisition command, for example, send the switching information of gathering No. 6 port of switch to universal remote automatic data acquisition system: Network_cai l|show interface f0 6|T10|F1/.
Wherein Network_cail represents that by network be the universal remote automatic data acquisition system transmission instruction of cail to name, show interface f0 6 is No. 6 ports of SNMP instruction expression collecting device, can send corresponding different agreement instruction according to the supervisory control system needs, on behalf of 10 seconds, T10 gather once automatically, time can be set according to system's needs oneself, as collection in 100 seconds is set once, write T100, F1 represents active mode, write as F2 if the passive type mode is gathered, poll formula mode is gathered F3, and the trigger-type mode is gathered and write as F4, | represent this section order to finish, this order fulfillment of/expression.Also can send next bar instruction, universal remote automatic data acquisition system can receive many instructions simultaneously, returns many information that collect.
After universal remote automatic data acquisition system receives the instruction of remote monitoring end transmission by network interface, carrying out order by the network interface communication module receives, command analysis module 17 is analyzed, determine to gather what information, how long gather once and adopt what mode to gather, acquisition instructions is stored in the proxy module 18, and at the appointed time interior the transmission to monitored collecting device by order sending module 20 and serial ports instructed.
After monitored collecting device receives instruction, information is turned back to the proxy module 18 of universal remote automatic data acquisition system by serial ports, the data that will be gathered by 16 encapsulation of data encapsulation module after, issue monitoring client by network interface communication module and network interface.
When wanting to restart universal remote automatic data acquisition system, press Fig. 1 reset key, or send command N etwork_cail|restart/ at the remote monitoring end, at this moment name is that the universal remote automatic data acquisition system of cail restarts.
Claims (2)
1. universal remote automatic data acquisition system is made up of hardware and software two parts, and hardware components comprises universal remote automatic data acquisition device and monitored collecting device (21);
Described universal remote automatic data acquisition device, comprise casing (1) and be contained in circuit control panel in the casing (1), the front panel of casing (1) is provided with mains switch (K1) and reset switch (K2), be provided with power supply indicator (2), network indicator light (3) and serial ports indicator light (4) simultaneously, the back side of casing (1) is provided with serial interface (6) and network interface (5); It is characterized in that:
1), described circuit control panel comprises cpu chip (U4), Flash chip (U2), memory chip (U1), adjustable converting power source chip (U3), the chip that resets (U5), serial port chip (U6) and the network interface chip (U7) of quick communication;
Cpu chip (U4) address wire AD[9:0] with the quick address wire AD[9:0 of the Flash chip (U2) of communication] corresponding connection, the data wire D[7:0 of cpu chip (U4)] with the quick data wire SD[7:0 of the Flash chip (U2) of communication] corresponding connection, the chip selection signal CS of cpu chip (U4) links to each other with the chip selection signal CS of the Flash chip (U2) of quick communication;
Cpu chip (U4) address wire AD[9:0] with the address wire AD[9:0 of memory chip (U1)] corresponding connection, the data wire D[7:0 of cpu chip (U4)] with the data wire SD[7:0 of memory chip (U1)] corresponding connection, read-write end pin IOWR, the IOWD of cpu chip (U4) links to each other with read-write end pin IOWR, the IOWD of memory chip (U1) respectively;
The out end of adjustable converting power source chip (U3) is connected with the VCC end of cpu chip (U4), one end of the mains switch (K1) on the in of adjustable converting power source chip (U3) end and the casing (1) is connected, the other end of the mains switch (K1) on the casing (1) is connected with the anode of battery E, and the ADJ end of adjustable converting power source chip (U3) is connected through the negative terminal of resistance R 2 with battery E;
The VCC end of chip (U5) of resetting is held with the VCC of cpu chip (U4) and is connected, the GND end of chip (U5) of resetting is held with the GND of cpu chip (U4) and is connected, the NRESET end of chip (U5) of resetting is held with the RESET of cpu chip (U4) and is connected, the VCC and the NRESET two ends parallel resistance R1 of chip (U5) reset, the end of the reset switch (K2) on MR end and the casing of chip (U5) of resetting is connected, and the GND of the chip that resets (U5) holds with the other end of reset switch (K2) on the casing and is connected;
The XTIP1 end of cpu chip (U4) is connected with crystal oscillator (Y1) end, crystal oscillator (Y1) other end is connected with the XTIP2 end of cpu chip (U4), the XTIP1 end of cpu chip (U4) is connected with an end of capacitor C 1, the C1 other end is connected with the GND end of cpu chip (U4), the XTIP2 end of cpu chip (U4) is connected with an end of capacitor C 2, and the C2 other end is connected with the GND end of cpu chip (U4);
The T1in end of serial port chip (U6) is connected with the PC4 end of cpu chip (U4), the R2out end of serial port chip (U6) is connected with the PC5 end of cpu chip (U4), the V+ end of serial port chip (U6) is connected with capacitor C 3 one ends, capacitor C 3 other ends are connected with the VCC end of cpu chip (U4), the V-end of serial port chip (U6) is connected with capacitor C 4 one ends, capacitor C 4 other ends are connected with the GND end of cpu chip (U4), and V+ end and V-end are used for serial port chip (U6) is powered; (7) of the serial interface (6) on the T1out of serial port chip (U6) end and the casing (1) are held and are connected, the R1in end of serial port chip (U6) is connected with (8) end of the serial interface (6) of casing (1), and the GND end of serial port chip (U6) is connected with (9) end of the serial interface (6) of casing (1);
The SD[7:0 of network interface chip (U7)] end and the D[7:0 of cpu chip (U4)] hold corresponding connection, this connection is used for transfer of data between network interface chip (U7) and the cpu chip (U4), the RX+ end of network interface chip (U7) is connected with (10) end of the network interface (5) of casing (1), the RX-end of network interface chip (U7) is connected with (11) end of the network interface (5) of casing (1), the TX+ end of network interface chip (U7) is connected with (12) end of the network interface (5) of casing (1), and the TX-end of network interface chip (U7) is connected with (13) end of the network interface (5) of casing (1);
The network interface of universal remote automatic data acquisition device is connected with remote monitoring end (14) by netting twine, and general automatic data acquisition device is connected with monitored collecting device (21) by serial interface and Serial Port Line;
2) described software section is a modular construction, comprises that the remote monitoring end sends the data that data acquisition instruction module group collection and monitored collecting device gathered and returns remote monitoring end module group collection;
Above-mentioned remote monitoring end sends data acquisition instruction module group collection and comprises network communication module (15), command analysis module (17), proxy module (18), internal command processing module (19) and order sending module
(20)；
Network communication module is an acquisition system and the communicating by letter of remote monitoring end, and detecting communication in real time is unimpeded simultaneously; Network communication module is supported the multiple network agreement, comprises IP, TCP, UDP, FTP, TFTP, Telnet, DNS, ICMP, PPP, SMTP, HTTP, POP3 and SNMP etc., and allows relevant parameter is provided with;
The command analysis processing module is the data extract single command with integral body, and the particular content of this order is detected and judges, is sent to proxy module (18) or internal command processing module (19) respectively according to the difference of judged result;
Proxy module (18) is to determine and need send instruction to monitored collecting device, and whether needs return value, and proxy module is equiped with a plurality of Agents in (18), and by setting, universal remote automatic data acquisition system can be applied to different equipment;
Above-mentioned internal command processing module (19) is the order of the non-direct Information Monitoring of processing remote monitoring client, comprises the selection of universal remote automatic data acquisition system to the different acquisition mode;
Mentioned order sending module (20) is to gather or control command to being sent by the equipment of image data; When this module when monitored collecting device sends data, the reaction of monitored collecting device can be divided into two classes, the one: monitored collecting device return data, the 2nd: monitored collecting device does not have data to return, just there is not task to respond, need in the first information of the data of returning, indicate 1 for first kind of situation and the return data of monitored collecting device be filled until Data Receiving successively from second finish then, these data be returned promptly finished the work; Only need compose 0 in the first place of return data for second kind of situation just can directly return information; Order sending module (20) sends to proxy module (18) with the data that receive;
The data that monitored collecting device is gathered are returned remote monitoring end module group collection and are comprised order sending module (20), proxy module (18), data encapsulation module (16) and network communication module (15);
Wherein order the function of sending module (20) and network communication module identical with the function that the remote monitoring end sends data acquisition instruction module group centralized command sending module (20) and network communication module, proxy module (18) is that data are carried out preliminary treatment, the selection of different subprograms is determined by mode bit, preliminary treatment to data comprises two parts: the one, and extract the data of monitored collecting device return information medium-long range monitoring client needs and convert the form that can discern and handle to, the 2nd, as required data are handled;
Above-mentioned data encapsulation module (16) is that the data of beaming back the remote monitoring end are encapsulated, and data encapsulation is in application layer, and the content of encapsulation comprises corresponding order numbering, result and related data; Packaged data send to network communication module again, and network communication module is issued the remote monitoring end with the data that collect and finished data acquisition.
2. universal remote automatic data acquisition system according to claim 1 is characterized in that: above-mentioned software is supported the several data acquisition mode: active, and passive type, poll formula, trigger-type.The selection of concrete data acquisition modes is controlled by the inter-process command processing module; Proxy module (18) and command processing module with data processing after, be sent to order sending module (20).
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