CN204461490U - A kind of hyperchannel multiplexed signals automatic acquisition device with artificial comparing and testing function - Google Patents
A kind of hyperchannel multiplexed signals automatic acquisition device with artificial comparing and testing function Download PDFInfo
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Abstract
There is a hyperchannel multiplexed signals automatic acquisition device for artificial comparing and testing function, comprise microprocessor, data acquisition module, sensor interface, communication module, data memory module, display module, channel switching module, manpower comparing survey module.Data acquisition module, channel switching module, communication module, data memory module, display module and manpower comparing are surveyed module and are connected with microprocessor, manpower comparing is surveyed module and is connected with channel switching module with multiple sensor interface, sensor interface is used for being connected with vibrating string type sensor, difference resistive sensor, voltage signal sensor, RS485 signal transducer, sensor signal is input to channel switching module by sensor interface, and after channel switching module selects break-make, sensor signal surveys sensor reading instrument corresponding to module access through manpower comparing.The utility model can solve the problem that engineering monitoring equipment acquisition geometry is single, port number is less, intelligence degree is low, has high reliability, function is strong, efficiency is high feature.
Description
Technical field
The utility model relates to engineering monitoring technical field, specifically a kind of hyperchannel multiplexed signals automatic acquisition device with artificial comparing and testing function.
Background technology
Along with the development of the engineering monitoring technology such as dykes and dams, bridge, building, the harvester that function is simple, channel type is single, automaticity is low can not meet the system requirements of engineering monitoring, and collecting sensor signal device starts to variation and intelligent direction development.Although the reliability of sensor signal automatic acquisition device is more and more higher, artificial comparing and testing function provides Data Comparison and data filling for harvester, has important practical significance, uses till today at engineering monitoring scene.
The main conditions being applied to the collecting sensor signal device artificial comparing and testing function at project security monitoring scene are at present as follows:
(1) mechanical manpower comparing is surveyed.Artificial rotating machinery switching over sensor signal is adopted to survey interface to manpower comparing, by artificial rotary switch to each sensor passage successively conducting one by one, the machinery electric shock reliability used is low, wiring and operate length consuming time, and can only carry out than survey the sensor of same type.
(2) the electronics manpower comparing of single type sensor is surveyed.Single type collecting sensor signal device is adopted to increase manpower comparing slowdown monitoring circuit, can gather the sensor signal of same type and manpower comparing survey, at present engineering site usually need gather several dissimilar sensor signal, when using multiple dissimilar sensor harvester, degree of integration can be caused low, be not easy to execute-in-place and Long-distance Control, this kind of sensor harvester with manpower comparing survey cannot solve the situation that multiple sensors gathers simultaneously and manpower comparing is surveyed.
Due to the kind of sensor of project security monitoring system and quantity more, above-mentioned two kinds of main ways can not meet that engineering monitoring easily manipulates, the growth requirement of high-level efficiency and robotization.
Utility model content
The utility model provides a kind of hyperchannel multiplexed signals automatic acquisition device with artificial comparing and testing function, the utilization of and embedded system multiplexing by hyperchannel, realize same device automatically to gather, store, transmit and manpower comparing survey multichannel dissimilar sensor signal, solve the problem that engineering monitoring equipment acquisition geometry is single, port number is less, intelligence degree is low, there is high reliability, function is strong, efficiency is high feature.
A kind of hyperchannel multiplexed signals automatic acquisition device with artificial comparing and testing function, comprise microprocessor, data acquisition module, sensor interface, communication module, data memory module, display module, it is characterized in that: also comprise channel switching module, manpower comparing surveys module, described data acquisition module, channel switching module, communication module, data memory module, display module and manpower comparing are surveyed module and are connected with microprocessor, manpower comparing surveys module, multiple sensor interface is connected with channel switching module, each sensor interface is used for and vibrating string type sensor, difference resistive sensor, voltage signal sensor, RS485 signal transducer connects, sensor signal is input to channel switching module by sensor interface, after described channel switching module selects break-make, sensor signal surveys sensor reading instrument corresponding to module access through manpower comparing.
Further, described microprocessor is used for the signal break-make of sending controling instruction control channel handover module repeat circuit, microprocessor is input to after selecting the Acquisition Circuit of respective sensor type in data acquisition module to carry out signal conversion, data are after the embedded system process of microprocessor, be saved in data memory module, shown by software interface through the data of display module by sensor, and be sent to data terminal equipment by communication module, shown by the software interface of data terminal equipment.
Further, described microprocessor comprises data analysis unit, control module, data acquisition interface unit, data interaction unit, and described control module, data acquisition interface unit, data interaction unit are all connected with described data analysis unit.
Further, described data analysis unit, for carrying out classification and the framing process of dissimilar transducing signal to the sensing data gathered, and resolves the configuration parameter received; Described control module, for receiving the configuration parameter after data analysis unit parsing, becomes logical order and switching signal by Parameter Switch, survey module control channel switching module and manpower comparing; Described data acquisition interface unit, for identifying the sensing data of data collecting module collected, and is transferred to data analysis unit; Described data interaction unit, for realizing communication protocol and the drive arrangements of the data interaction of each module of microprocessor and periphery, also for carrying out data interaction with data memory module and communication module, and operation communication protocol different separately carries out data interaction.
Further, described data acquisition module comprises type vibration wire signal gathering unit, difference resistive signal gathering unit, voltage signal acquisition unit, RS485 signal gathering unit; Type vibration wire signal gathering unit comprises excitation chain, filtering and amplifying circuit, compares shaping circuit, optical coupling isolation circuit and A/D change-over circuit, and difference resistive signal gathering unit comprises constant-current source circuit, bridge circuit, differential amplifier circuit and A/D change-over circuit; Voltage signal acquisition unit comprises differential amplifier circuit, voltage deviation circuit and A/D change-over circuit; RS485 signal gathering unit comprises optical coupling isolation circuit and level signal change-over circuit.
Further, described manpower comparing is surveyed module and is comprised decoding scheme, relay drive circuit, relay on-off circuit, buffer circuit, digital pipe display circuit, decoding scheme is connected with microprocessor 1, for receiving the steering order that microprocessor exports, relay on-off circuit is connected with channel switching module, for the sensor signal that receiving cable handover module transmits, decoding scheme is connected with relay on-off circuit by relay drive circuit, relay on-off circuit is connected with multiple buffer circuit, multiple buffer circuit is used for connecting with corresponding sensor reading instrument.
Further, described data memory module comprises EEPROM and CF card.
Further, described communication module comprises ethernet communication unit, WIFI communication unit, USB unit, serial port unit, CAN unit, 485 communication units, GPRS communication unit.
The beneficial effects of the utility model:
1, the utility model can use the sensor of unified sensor interface access number of different types, realizes the collection of dissimilar sensor signal, storage, transmission and manpower comparing and surveys, solve the problem that engineering monitoring equipment acquisition geometry is single.
2, the utility model realizes multiple sensor signals collecting by hyperchannel is multiplexing, realizes the time-sharing multiplex of different sensors Acquisition Circuit, reduces redundancy and the repetition of circuit, solves the problems such as engineering monitoring device channels number is less, wiring is complicated.
3, the utility model adopts the Implementation of Embedded System acquisition channel of microprocessor, data store, data are transmitted, the centralized control of visualized operation, improves reliability and the intelligence degree of device.
4, the utility model adopts the software interface of the local configuration of LCD touch screen display, the site operative of implement device, dirigibility and configurability.
5, the compatible several data transmission mode of the utility model, realizes the wired of image data and remote wireless transmission.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram that the utility model has one of them embodiment of hyperchannel multiplexed signals automatic acquisition device of artificial comparing and testing function;
Fig. 2 is the electrical block diagram of microprocessor in the utility model embodiment;
Fig. 3 is the electrical block diagram of data acquisition module in the utility model embodiment;
Fig. 4 is the electrical block diagram that in the utility model embodiment, manpower comparing surveys module.
In figure: 1-microprocessor, 2-data acquisition module, 3-channel switching module, 4-sensor interface, 5-communication module, 6-data memory module, 7-display module, 8-manpower comparing surveys module, 11-data analysis unit, 12-control module, 13-data acquisition interface unit, 14-data interaction unit, 21-type vibration wire signal gathering unit, 22-difference resistive signal gathering unit, 23-voltage signal acquisition unit, 24-RS485 signal gathering unit, 81-decoding scheme, 82-relay drive circuit, 83-relay on-off circuit, 84-buffer circuit, 85-digital pipe display circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model is clearly and completely described.
Please refer to Fig. 1, the wherein embodiment that the utility model has the hyperchannel multiplexed signals automatic acquisition device of artificial comparing and testing function comprises microprocessor 1, data acquisition module 2, channel switching module 3, sensor interface 4, communication module 5, data memory module 6, display module 7, manpower comparing survey module 8.Described data acquisition module 2, channel switching module 3, communication module 5, data memory module 6, display module 7, manpower comparing are surveyed module 8 and are connected with microprocessor 1, and manpower comparing surveys module 8, multiple sensor interface 4 is connected with channel switching module 3.
Dissimilar sensor signal is input to channel switching module 3 by unified sensor interface 4, through the signal break-make of instruction control channel handover module 3 repeat circuit that microprocessor 1 sends, microprocessor 1 is input to after selecting the Acquisition Circuit of respective sensor type in data acquisition module 6 to carry out signal conversion, data are after the embedded system process of microprocessor 1, be saved in data memory module 6, shown by software interface through the data of display module 7 by sensor, and be sent to the data terminal equipment such as PC by communication module 5, shown by the software interface of terminal device.
Operating personnel, by display module 7 touch operation software interface, carry out on-site parameters configuration to this device, and the parameter of configuration is transferred to microprocessor 1 through display module 7 and processes, and the instruction after process are sent to channel switching module 3 and manpower comparing survey module; Operating personnel can also by the software interface of the data terminal equipment such as operation PC, Remote configuration is carried out to this device, the parameter of configuration is sent to microprocessor 1 through communication module 5 and processes, and the instruction after process is sent to channel switching module 3 and manpower comparing survey module.
Described microprocessor 1 is the process core of this device, please further refer to Fig. 2, described microprocessor 1 comprises data analysis unit 11, control module 12, data acquisition interface unit 13, data interaction unit 14, and described control module 12, data acquisition interface unit 13, data interaction unit 14 are all connected with described data analysis unit 11.Described microprocessor 1 is Operational Data Analysis unit 11, control module 12, data acquisition interface unit 13, data interaction unit 14 under the operating environment of embedded system.
Described data analysis unit 11, for running local configuration software, i.e. the function software that presents of display module, this unit is by functions such as the Data Update of operation and maintenance software, parameter configuration, interface display; On the other hand the sensing data gathered is carried out to classification and the framing process of dissimilar transducing signal, and the configuration parameter received is resolved, comprise the parameters such as total number of channels, channel type, time-out time, communication mode, metering system, Timing measurement time.
Described control module 12, for receiving the configuration parameter after data analysis unit 11 parsing, Parameter Switch is become logical order and switching signal, survey module to channel switching module 3 and manpower comparing to control, wherein said configuration parameter comprises total number of channels, channel type, time-out time, communication mode, metering system, Timing measurement time etc.; Described control module 12 can produce the accumulation signal of specific frequency signal as type vibration wire signal gathering unit simultaneously.
Described data acquisition interface unit 13, identifies for the sensing data gathered data acquisition module 2, and is transferred to data analysis unit 11; Simultaneously also can using the A/D collector that utilizes described microprocessor 1 the to carry stand-by circuit as Acquisition Circuit.
Described data interaction unit 14, for realizing communication protocol and the drive arrangements of the data interaction of microprocessor 1 and each module in periphery, this unit and data memory module 6 and communication module 5 carry out data interaction, and run communication protocol different separately and carry out data interaction.
Please further refer to Fig. 3, described data acquisition module 2 comprises type vibration wire signal gathering unit 21, difference resistive signal gathering unit 22, voltage signal acquisition unit 23, RS485 signal gathering unit 24; Wherein poor resistive signal gathering unit 22 can according to the signal of different mode of connection collections difference resistive sensor, strainometer and temperature sensor; Voltage signal acquisition unit 23 can gather voltage class sensor and magnitude of current sensor according to the different modes of connection.
Type vibration wire signal gathering unit 21 comprises excitation chain, filtering and amplifying circuit, compares shaping circuit, optical coupling isolation circuit and A/D change-over circuit; Difference resistive signal gathering unit 22 mainly comprises constant-current source circuit, bridge circuit, differential amplifier circuit and A/D change-over circuit; Voltage signal acquisition unit 23 comprises differential amplifier circuit, voltage deviation circuit and A/D change-over circuit; RS485 signal gathering unit 24 comprises optical coupling isolation circuit and level signal change-over circuit.
Each sensor interface 4 is for being connected with polytype sensor such as vibrating string type sensor, difference resistive sensor, voltage signal sensor, magnitude of current sensor, strainometer, temperature sensor, RS485, described sensor interface 4 unified employing five line input system, the mode of connection of often kind of sensor has difference.
Described channel switching module 3 is connected with described multiple sensor interface 4, for being carried out controlling and selecting by different sensors signal, is input to data acquisition unit corresponding in described data acquisition module 2.Described channel switching module 3 comprises relay unit, decoding unit, selection unit.The switching value that microprocessor 1 exports controls decoding unit, makes the semaphore of sensor be input to data acquisition unit corresponding in described data acquisition module 2 after the switching of relay unit and selection unit and manpower comparing surveys module 8.
Please further refer to Fig. 4, described manpower comparing is surveyed module 8 and is comprised decoding scheme 81, relay drive circuit 82, relay on-off circuit 83, buffer circuit 84, digital pipe display circuit 85, decoding scheme 81 is connected with microprocessor 1, for receiving the steering order that microprocessor 1 exports, relay on-off circuit 83 is connected with channel switching module 3, for the sensor signal that receiving cable handover module 3 transmits, decoding scheme 81 is connected with relay on-off circuit 83 by relay drive circuit 82, relay on-off circuit 83 is connected with multiple buffer circuit 84, multiple buffer circuit 84 is for connecting with corresponding sensor reading instrument, decoding scheme 81 is also connected with digital pipe display circuit 85.
Described manpower comparing is surveyed module 8 and the instruction that microprocessor exports is obtained control signal through decoding scheme 81, on the one hand by relay drive circuit pilot relay break-make, the sensor signal that channel switching module is exported outputs to corresponding buffer circuit and sensor reading instrument through relay on-off circuit; Control digital pipe display circuit 85 on the other hand, show readout instrument type corresponding to each road sensor signal by the digital code of sensor sequence number and readout instrument, sensor reading instrument comprises poor resistive readout instrument, type vibration wire readout instrument, voltage signal readout instrument, RS485 signal readout instrument.
Described data memory module 6 comprises EEPROM and CF card.EEPROM is used for the configuration information of memory storage, and CF card is used for the sensing data that storage of collected arrives, and can power down preserve.
Described communication module 5 comprises ethernet communication unit, WIFI communication unit, USB unit, serial port unit, CAN unit, 485 communication units, GPRS communication unit.The wired or wireless long-distance transmissions of image data can be realized by this communication module 5.
Described display module 7 is connected with described microprocessor 1, and described display module 7 can be made up of LCD screen, touch screen and mouse, realizes Presentation Function by LCD screen, realizes man-machine interaction by touch screen and mouse.Display module, under microprocessor 1 embedded OS environment, can show the sensor information amount after the data analysis unit 11 of microprocessor 1 processes, and parameter and control information is input to microprocessor 11 in software interface mode.
Claims (8)
1. there is a hyperchannel multiplexed signals automatic acquisition device for artificial comparing and testing function, comprise microprocessor (1), data acquisition module (2), sensor interface (4), communication module (5), data memory module (6), display module (7), is characterized in that: also comprise channel switching module (3), manpower comparing surveys module (8), described data acquisition module (2), channel switching module (3), communication module (5), data memory module (6), display module (7) and manpower comparing are surveyed module (8) and are connected with microprocessor (1), and manpower comparing surveys module (8), multiple sensor interface (4) is connected with channel switching module (3), each sensor interface (4) for vibrating string type sensor, difference resistive sensor, voltage signal sensor, RS485 signal transducer connects, sensor signal is input to channel switching module (3) by sensor interface (4), and after described channel switching module (3) selects break-make, sensor signal surveys sensor reading instrument corresponding to module (8) access through manpower comparing.
2. there is the hyperchannel multiplexed signals automatic acquisition device of artificial comparing and testing function as claimed in claim 1, it is characterized in that: described microprocessor (1) is for the signal break-make of sending controling instruction control channel handover module (3) repeat circuit, microprocessor (1) is input to after selecting the Acquisition Circuit of respective sensor type in data acquisition module (6) to carry out signal conversion, data are after the embedded system process of microprocessor (1), be saved in data memory module (6), through display module (7), the data of sensor are shown by software interface, and be sent to data terminal equipment by communication module (5), shown by the software interface of data terminal equipment.
3. there is the hyperchannel multiplexed signals automatic acquisition device of artificial comparing and testing function as claimed in claim 2, it is characterized in that: described microprocessor (1) comprises data analysis unit (11), control module (12), data acquisition interface unit (13), data interaction unit (14), described control module (12), data acquisition interface unit (13), data interaction unit (14) are all connected with described data analysis unit (11).
4. there is the hyperchannel multiplexed signals automatic acquisition device of artificial comparing and testing function as claimed in claim 3, it is characterized in that:
Described data analysis unit (11), for carrying out classification and the framing process of dissimilar transducing signal to the sensing data gathered, and resolves the configuration parameter received;
Described control module (12), for receiving the configuration parameter after data analysis unit (11) parsing, becomes logical order and switching signal by Parameter Switch, survey module control channel switching module (3) and manpower comparing;
Described data acquisition interface unit (13), identifies for the sensing data gathered data acquisition module (2), and is transferred to data analysis unit (11);
Described data interaction unit (14), for realizing communication protocol and the drive arrangements of the data interaction of microprocessor (1) and each module in periphery, also for carrying out data interaction with data memory module (6) and communication module (5), and operation communication protocol different separately carries out data interaction.
5. there is the hyperchannel multiplexed signals automatic acquisition device of artificial comparing and testing function as claimed in claim 1 or 2, it is characterized in that: described data acquisition module (2) comprises type vibration wire signal gathering unit (21), difference resistive signal gathering unit (22), voltage signal acquisition unit (23), RS485 signal gathering unit (24); Type vibration wire signal gathering unit (21) comprises excitation chain, filtering and amplifying circuit, compares shaping circuit, optical coupling isolation circuit and A/D change-over circuit, and difference resistive signal gathering unit (22) comprises constant-current source circuit, bridge circuit, differential amplifier circuit and A/D change-over circuit; Voltage signal acquisition unit (23) comprises differential amplifier circuit, voltage deviation circuit and A/D change-over circuit; RS485 signal gathering unit (24) comprises optical coupling isolation circuit and level signal change-over circuit.
6. there is the hyperchannel multiplexed signals automatic acquisition device of artificial comparing and testing function as claimed in claim 1 or 2, it is characterized in that: described manpower comparing is surveyed module (8) and comprised decoding scheme (81), relay drive circuit (82), relay on-off circuit (83), buffer circuit (84), digital pipe display circuit (85), decoding scheme (81) is connected with microprocessor (1), for receiving the steering order that microprocessor (1) exports, relay on-off circuit (83) is connected with channel switching module (3), for the sensor signal that receiving cable handover module (3) transmits, decoding scheme (81) is connected with relay on-off circuit (83) by relay drive circuit (82), relay on-off circuit (83) is connected with multiple buffer circuit (84), multiple buffer circuit (84) is for connecting with corresponding sensor reading instrument.
7. there is the hyperchannel multiplexed signals automatic acquisition device of artificial comparing and testing function as claimed in claim 1 or 2, it is characterized in that: described data memory module (6) comprises EEPROM and CF card.
8. there is the hyperchannel multiplexed signals automatic acquisition device of artificial comparing and testing function as claimed in claim 1 or 2, it is characterized in that: described communication module (5) comprises ethernet communication unit, WIFI communication unit, USB unit, serial port unit, CAN unit, 485 communication units, GPRS communication unit.
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| CN116907317B (en) * | 2023-09-13 | 2023-12-22 | 基康仪器股份有限公司 | Automatic identification device and method for vibrating wire type sensor and differential resistance type sensor |
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