CN204557112U - Embedded project security monitoring data acquisition process instrument - Google Patents
Embedded project security monitoring data acquisition process instrument Download PDFInfo
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- CN204557112U CN204557112U CN201520140673.7U CN201520140673U CN204557112U CN 204557112 U CN204557112 U CN 204557112U CN 201520140673 U CN201520140673 U CN 201520140673U CN 204557112 U CN204557112 U CN 204557112U
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Abstract
The utility model provides a kind of embedded project security monitoring data acquisition process instrument, it is characterized in that: comprise embedded type CPU, Peripheral Interface, display screen, information output mouth, radiator fan and onsite alarming equipment, embedded type CPU is connected respectively with Peripheral Interface, display screen, information output mouth Peripheral Interface, Peripheral Interface comprises RS232 interface and RS485 interface, RS485 interface connects the acquisition module from sensor image data, RS232 interface connects long-range host computer, and information output mouth connects radiator fan and onsite alarming equipment respectively.The utility model possesses higher ease for use, reliability, security.
Description
Technical field
The utility model relates to engineering safety Dynamic Monitoring field, particularly the embedded project security monitoring data collecting instrument of one.
Background technology
In order to carry out seepage flow, displacement, distortion etc. carry out detection of dynamic to hydraulic engineering side slope, dyke, current water conservancy detects and usually adopts engineering safety dynamic monitoring system.The notebook computer that conventional project security monitoring early warning system many employings user carries voluntarily arranges amendment systematic parameter at the scene, adds port, checks data etc., make troubles to the installation of monitoring system, debugging, in observation process, adjust parameter, copies data in real time especially, check result and aftertreatment more inconvenient, lack corresponding equipment support.
Utility model content
The purpose of this utility model is the shortcoming and defect for prior art, devise embedded project security monitoring data acquisition process instrument, solving existing monitoring system needs carrying notebook computer to carry out system parameter setting to scene, mid-term parameter modification, data acquisition transmission inconvenience etc. problem.
The technical scheme that the utility model adopts is a kind of embedded project security monitoring data acquisition process instrument, comprise embedded type CPU, Peripheral Interface, display screen, information output mouth, radiator fan and onsite alarming equipment, embedded type CPU is connected respectively with Peripheral Interface, display screen, information output mouth Peripheral Interface, Peripheral Interface comprises RS232 interface and RS485 interface, RS485 interface connects the acquisition module from sensor image data, RS232 interface connects long-range host computer, and information output mouth connects radiator fan and onsite alarming equipment respectively.
And described acquisition module is integrated to be arranged in embedded project security monitoring data acquisition process instrument.
And described acquisition module is arranged on sensor proximity, embedded project security monitoring data acquisition process instrument is connected at a distance with acquisition module.
And described acquisition module comprises CPU, No. 6 photoisolators, communication interface, ADC, programmable instrumentation amplifier, simulant electronic switch, vibratory string signal or other pulse signal amplification and rectification circuits, vibratory string signal or other pulse signals select device, internal motivation source, internal motivation source selector switch, Intrinsic/Extrinsic Motivation are selected, the multiplexer channel of sensor input and corresponding relay input mux; Described No. 6 photoisolators are designated as photoisolator 1, photoisolator 2, photoisolator 3, photoisolator 4, photoisolator 5 and photoisolator 6 respectively, CPU is connected respectively with No. 6 photoisolators, communication interface, relay input mux, relay input mux interface channel;
Photoisolator 1 connects the output terminal of programmable instrumentation amplifier through ADC, photoisolator 2 connects the control end of programmable instrumentation amplifier, the output terminal of the input end connecting analog electronic switch of programmable instrumentation amplifier, the control end of photoisolator 3 connecting analog electronic switch, the input end of simulant electronic switch connects relay input mux;
Photoisolator 5 connects the control end of vibratory string signal or other pulse signals selection device, vibratory string signal or other pulse signals select the output terminal of device to connect the input end of vibratory string signal or other pulse signal amplification and rectification circuits, the output terminal of vibratory string signal or other pulse signal amplification and rectification circuits connects photoisolator 4, and vibratory string signal or other pulse signals select the input end of device to connect relay input mux;
The output in internal motivation source connects internal motivation source selector switch, photoisolator 6 connects internal motivation source selector switch, internal motivation source selector switch connects the contact that Intrinsic/Extrinsic Motivation is selected, external drive input connects another contact that Intrinsic/Extrinsic Motivation is selected, and Intrinsic/Extrinsic Motivation is selected to connect relay input mux.
And described multiplexer channel comprises five passages, each passage is made up of four connection terminals, is connected with sensor by connection terminal.
The utility model provides a kind of convenient, stable, data acquisition process instrument of being applicable to engineering safety real-time dynamic monitoring early warning system reliably, for the safety and stability of monitoring system and operation readiness provide device support, there is advantage that is energy-efficient and high reliability, flexible in configuration, easy to use; Rich interface, meets multi-functional demand, can realize data acquisition, storage and transfer function.By integrated or connect acquisition module at a distance, support that acquisition module same port connects different sensors, support that user adjusts sensor access passage as required; Support that user carries out long-range and on-the-spot (on the spot) information configuration.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the utility model embodiment.
Fig. 2 is the acquisition module structural drawing of the utility model embodiment.
Embodiment
The technical solution of the utility model is described in detail below in conjunction with drawings and Examples.
The embedded project security monitoring data acquisition process instrument that the utility model provides carries out field control for supporting, acquisition process instrument mainly comprises embedded type CPU, Peripheral Interface and display screen, embedded type CPU adopts ARM CPU, Peripheral Interface can comprise a RS232 interface and a RS485 interface, RS232 interface, for connecting computer or other near field communication devices or external GPRS module, can be communicated with host computer such as remote server easily by external GPRS module; RS485 interface, for connecting acquisition module, can support telecommunication.Can also expand during concrete enforcement and arrange other interfaces, such as one for connecting RJ45 network interface, a USB interface (HOST2.0 master-slave communication, main interface) of LAN (Local Area Network).See Fig. 1, in embodiment, touch-key, liquid crystal display, SD storage card, RS232 and RS485 interface is provided with centered by embedded type CPU, and be provided with radiator fan and onsite alarming equipment (such as alarm) by the expansion of information output mouth, can support equipment heat radiation and alarm.Usually also need to provide corresponding power module DC/DC, 24V external power supply is converted to working power.Information output mouthpiece body also can adopt RS485 interface to provide when implementing.
During concrete enforcement, embedded type CPU can adopt low-power consumption ARM CORTEX A8 600MHZ, and multiple functional, sample rate is fast, operational efficiency is high; Storage can adopt Large Copacity solid-state electronic hard disk, and preventing dust shakes, and storage speed is fast, and stability and reliability is high.
Acquisition process instrument can connect multiple acquisition module, because also can adopt RS485 interface with information output mouth, be generally no more than 98, the acquisition process instrument as embodiment in Fig. 1 is connected to 98 acquisition modules.The sensor image data that described acquisition module is arranged from scene.
Arrange operating mode that is comparatively concentrated, monitoring section close together for monitoring sensor, all acquisition modules can be integrated in acquisition process instrument, are placed in monitoring base station together; The operating mode of comparatively dispersion or monitoring section distant (such as >=4 0m) is arranged for monitoring sensor, each acquisition module is arranged near monitoring sensor nearby, monitoring base station place is located at by acquisition process instrument, and each acquisition module is connected with monitoring base station place acquisition process instrument by RS485 data line.
Based on the embedded project security monitoring data acquisition process instrument apparatus that the utility model provides, by acquisition process instrument and acquisition module, the communication connection of GPRS transmission module, the configuration realizing sensor parameters can be supported, datamation gathers, fixed point continues sampling, data backup is stored, long range radio transmissions, the parsing of sensor analog signals, Data Post, the functions such as onsite alarming device start, mainly by integrated or connect acquisition module at a distance, support that acquisition module same port connects different sensors, support that user adjusts sensor access passage as required, support that user carries out long-range and on-the-spot (on the spot) information configuration, the such as parameter configuration etc. of sampling period, data-storing, sensor.During concrete enforcement, those skilled in the art can utilize (SuSE) Linux OS, the user interface of sets itself embedded data acquisition processing instrument.The utility model only provides hardware design, and those skilled in the art can use acquisition process instrument apparatus voluntarily as required, set its working method and content, such as:
Multi-mode working mode is supported in setting: support three kinds of mode of operations such as the triggering of time triggered, event and park mode.Wherein, 1) event trigger mode.When acquisition process instrument receives after long-range central control server sends data requesting instructions, start data acquisition, transmission procedure immediately, after complete operation, proceed to park mode; 2) time triggered pattern: according to the working time set, starts data acquisition, transmission procedure, proceeds to park mode after complete operation; 3) park mode: enter dormant state without during task, reduces energy loss.
The task of embedded project security monitoring data acquisition process instrument can be:
1) embedded type CPU timing is given an order to acquisition module, reads its data of surveying, and is presented on liquid crystal display by the data of collection, be stored in SD card, so that enquiry of historical data and Backup Data.
2) the touch controlled key operation of embedded type CPU operation response personnel or the order of remote server, and instruction is handed down to corresponding acquisition module or radiator fan, onsite alarming equipment by RS485 bus.
3) embedded type CPU is by RS232 PORT COM, and the measurement data of the acquisition module collected is sent to GPRS module, and GPRS module is transferred to long-range host computer by public communication networks, and what complete data uploads task.
Conventional monitoring system is directly arranged and control and monitoring system by host computer (computing machine, server), the embedded-type security Monitoring Data acquisition process instrument of native system can replace host computer, support that user directly arranges systematic parameter on the display screen of monitoring system, Control & data acquisition, Storage and Processing function is realized by arranging, after being provided with, be saved in host computer by GPRS network, host computer is by reading in Acquisition Instrument configuration data; Also by after host computer configuration-system data, be downloaded into the data collecting instrument of system, completion system configures.It is large that monitoring objective due to hydraulic engineering is usually directed to territorial scope, can lay as the on-the-spot base station of monitoring unit in subregion, this area is commonly referred to " automatic measuring unit ", each base station arranges acquisition process instrument respectively, multiple measuring point is had in a region, each measuring point has corresponding data acquisition module, the data acquisition module of all measuring points in certain region uploads the acquisition process instrument of sensing data to this region, and the data upload that each data acquisition module since being connected obtains is managed concentratedly to long-range host computer by all acquisition process instrument.
Be convenient to implement, for the purpose of reference, to provide the acquisition module structure of embodiment to be described as follows:
See Fig. 2, described acquisition module comprises CPU, No. 6 photoisolators, communication interface, ADC, programmable instrumentation amplifier, simulant electronic switch, vibratory string signal or other pulse signal amplification and rectification circuits, vibratory string signal or other pulse signals select device, internal motivation source, internal motivation source selector switch, Intrinsic/Extrinsic Motivation are selected, the multiplexer channel of sensor input and corresponding relay input mux; Described No. 6 photoisolators are designated as photoisolator 1, photoisolator 2, photoisolator 3, photoisolator 4, photoisolator 5 and photoisolator 6 respectively, CPU is connected respectively with No. 6 photoisolators, communication interface, relay input mux, relay input mux interface channel;
Photoisolator 1 connects the output terminal of programmable instrumentation amplifier through ADC, photoisolator 2 connects the control end of programmable instrumentation amplifier, the output terminal of the input end connecting analog electronic switch of programmable instrumentation amplifier, the control end of photoisolator 3 connecting analog electronic switch, the input end of simulant electronic switch connects relay input mux;
Photoisolator 5 connects the control end of vibratory string signal or other pulse signals selection device, vibratory string signal or other pulse signals select the output terminal of device to connect the input end of vibratory string signal or other pulse signal amplification and rectification circuits, the output terminal of vibratory string signal or other pulse signal amplification and rectification circuits connects photoisolator 4, and vibratory string signal or other pulse signals select the input end of device to connect relay input mux;
The output in internal motivation source connects internal motivation source selector switch, photoisolator 6 connects internal motivation source selector switch, internal motivation source selector switch connects the contact that Intrinsic/Extrinsic Motivation is selected, external drive input connects another contact that Intrinsic/Extrinsic Motivation is selected, and Intrinsic/Extrinsic Motivation is selected to connect relay input mux.
The each several part of acquisition module can adopt existing chip or circuit respectively, and the CPU of such as acquisition module can adopt Μ P, i.e. back yard industry Embeded CPU.The communication unit of acquisition module also adopts RS485 interface, to be connected by RS485 interface with between embedded type CPU, Intrinsic/Extrinsic Motivation is selected to adopt relay.ADC refers to analog to digital conversion circuit, suggestion employing 24 high-precision adcs.During concrete enforcement, the sensor signal that vibratory string signal or other pulse signal amplification and rectification circuits can be supported according to specific needs arranges respective handling circuit, such as comprise a road vibratory string signal processing circuit and a road pulse signal treatment circuit, when the signal that this gathers is vibratory string signal, selects device that this input signal is switched to vibratory string signal processing circuit by vibratory string signal or other pulse signals and carry out amplifying and shaping; If this signal gathered is other pulse signals, selects device that pulse signal is switched to pulse signal treatment circuit by vibratory string signal or other pulse signals and carry out amplifying and shaping.
Excitation involved by acquisition module refers to the driving source needing when pick-up transducers data to be added on sensor:
External drive is the driving source provided by outside, and the special sensor of some non-universal needs just to provide sensor excitation by external source during excitation.Acquisition module opens or closes external source according to configuration information in advance.External source mainly contains:
1, direct voltage source, as direct current 5--28V;
2, DC current source, as 0.2mA-10mA
EXT*--external drive source output terminal
EXT#--external source exports return terminal
The internal analogue circuit ground of AGND-acquisition module
Internal motivation source is the driving source provided by acquisition module inside, can, for the type of general purpose transducer integrated corresponding driving source circuit in advance, just need to adopt external source as the case may be when external sensor is some non-universals.Acquisition module opens or closes internal motivation source according to configuration information in advance.Internal motivation source mainly contains:
1, direct voltage source, as direct current 4V, 12V, 24V;
2, DC current source, as 0.2mA, 1mA
3, high-voltage pulsed source
Relay input mux comprises the corresponding relay with passage, the acquisition module that the utility model embodiment provides has five input channels, be labeled as passage 1, passage 2 ... passage 5, each input channel is made up of four connection terminals, then relay input mux comprises 20 relays.By the various combination of these four terminals, 3 analog signalses can be inputted at most simultaneously, also can input pulse amount signal.
Passage involved by acquisition module refers to the basic cell structure that acquisition module is connected with sensor.Four terminals of each passage are labeled as *, ﹢, ﹣, # respectively, represent respectively sensor excitation, sensor signal export+, sensor signal export-, sensor excitation returns.Intrinsic/Extrinsic Motivation is selected to connect the corresponding relay of terminal * in each passage.During concrete enforcement, for different sensors, there is the different modes of connection, be exemplified below:
For current signal (as water-level gauge), there is single ended input, i.e. splicing ear one of *, ﹢, ﹣ and #, also have and share input, be i.e. splicing ear * and #, or splicing ear ﹢ and ﹣.
For voltage signal (as tiltmeter etc.), have single ended input, namely splicing ear one of *, ﹢, ﹣ and #, also has Differential Input, i.e. splicing ear * and #, or splicing ear ﹢ and ﹣.
For frequency signal (as osmometer, earth pressure gauge), splicing ear one of *, ﹢, ﹣ and #.For resistance signal (two wires, three lines or four-wire ohm, as platinum resistance thermometer sensor, thermistor, conventional, electric-resistance signal etc.), two line resistances are splicing ear one of *, ﹢, ﹣ and #, three line resistances are (as three line Pt100, Pt1000 etc.) be splicing ear *, ﹢, ﹣ together, four-wire ohm (as accurate four line Pt100, Pt1000 etc.) is that splicing ear *, ﹢, ﹣ are together with #.
Connect pulse signal (as rain gage) terminal ﹢ and ﹣ for pulse signal (as rain gage).
Each connection terminal of each input channel of acquisition module of embodiment is via the contact change-over (as corresponding relay in the relay input mux of Fig. 2) of relay input mux, acquisition module is started working after powering on, working method can be, when the signals collecting time preset then, acquisition module automatically gathers measured signal according to the channel signal configuring condition pre-set, when acquisition process instrument embedded type CPU by RS485 access acquisition module time, acquisition module just by data transfer to the embedded type CPU of acquisition process instrument.
For supporting separate type work, acquisition module also needs to provide DC/DC(power module), outsourcing standard output module can be adopted during concrete enforcement, because the operating voltage of the integrated chip of acquisition module inside is not quite similar, therefore the power supply provided outside is needed to change, to provide the proper operation voltage of integrated chip, for improving the efficiency of power supply so adopt the switch power module of DC/DC.Have 3 DC/DC in embodiment and be designated as power module 1, power module 2, power module 3 respectively, the output whereabouts of each DC/DC is see Fig. 2, power module 1 is for CPU, RS485 and photoisolator 1,2,3,4,5,6, power module 2 is for simulant electronic switch, programmable instrumentation amplifier, ADC remembers photoisolator secondary, and providing 4V excitation voltage source as voltage reference, power module 3 provides 12V, 24V excitation voltage source.
Above content is the further description done the utility model in conjunction with optimum implementation, can not assert that concrete enforcement of the present utility model is only limited to these explanations.It should be appreciated by those skilled in the art, when do not depart from be defined by the appended claims, various amendment can be carried out in detail, all should be considered as belonging to protection domain of the present utility model.
Claims (5)
1. an embedded project security monitoring data acquisition process instrument, it is characterized in that: comprise embedded type CPU, Peripheral Interface, display screen, information output mouth, radiator fan and onsite alarming equipment, embedded type CPU is connected respectively with Peripheral Interface, display screen, information output mouth Peripheral Interface, Peripheral Interface comprises RS232 interface and RS485 interface, RS485 interface connects the acquisition module from sensor image data, RS232 interface connects long-range host computer, and information output mouth connects radiator fan and onsite alarming equipment respectively.
2. embedded project security monitoring data acquisition process instrument according to claim 1, is characterized in that: described acquisition module is integrated to be arranged in embedded project security monitoring data acquisition process instrument.
3. embedded project security monitoring data acquisition process instrument according to claim 1, it is characterized in that: described acquisition module is arranged on sensor proximity, embedded project security monitoring data acquisition process instrument is connected at a distance with acquisition module.
4. embedded project security monitoring data acquisition process instrument according to claim 1 or 2 or 3, is characterized in that: described acquisition module comprises CPU, No. 6 photoisolators, communication interface, ADC, programmable instrumentation amplifier, simulant electronic switch, vibratory string signal or other pulse signal amplification and rectification circuits, vibratory string signal or other pulse signals select device, internal motivation source, internal motivation source selector switch, Intrinsic/Extrinsic Motivation are selected, the multiplexer channel of sensor input and corresponding relay input mux; Described No. 6 photoisolators are designated as photoisolator 1, photoisolator 2, photoisolator 3, photoisolator 4, photoisolator 5 and photoisolator 6 respectively, CPU is connected respectively with No. 6 photoisolators, communication interface, relay input mux, relay input mux interface channel;
Photoisolator 1 connects the output terminal of programmable instrumentation amplifier through ADC, photoisolator 2 connects the control end of programmable instrumentation amplifier, the output terminal of the input end connecting analog electronic switch of programmable instrumentation amplifier, the control end of photoisolator 3 connecting analog electronic switch, the input end of simulant electronic switch connects relay input mux;
Photoisolator 5 connects the control end of vibratory string signal or other pulse signals selection device, vibratory string signal or other pulse signals select the output terminal of device to connect the input end of vibratory string signal or other pulse signal amplification and rectification circuits, the output terminal of vibratory string signal or other pulse signal amplification and rectification circuits connects photoisolator 4, and vibratory string signal or other pulse signals select the input end of device to connect relay input mux;
The output in internal motivation source connects internal motivation source selector switch, photoisolator 6 connects internal motivation source selector switch, internal motivation source selector switch connects the contact that Intrinsic/Extrinsic Motivation is selected, external drive input connects another contact that Intrinsic/Extrinsic Motivation is selected, and Intrinsic/Extrinsic Motivation is selected to connect relay input mux.
5. detachable project security monitoring data acquisition unit according to claim 4, it is characterized in that: described multiplexer channel comprises five passages, each passage is made up of four connection terminals, is connected with sensor by connection terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520140673.7U CN204557112U (en) | 2015-03-12 | 2015-03-12 | Embedded project security monitoring data acquisition process instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105955091A (en) * | 2016-07-12 | 2016-09-21 | 西安西热控制技术有限公司 | Selection device for two analog input and selection method thereof |
| CN105955090A (en) * | 2016-07-12 | 2016-09-21 | 西安西热控制技术有限公司 | Selection device for three analog input and selection method thereof |
| CN108768461A (en) * | 2018-06-11 | 2018-11-06 | 中国水利水电科学研究院 | A kind of engineering communication transferring device and system |
-
2015
- 2015-03-12 CN CN201520140673.7U patent/CN204557112U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105955091A (en) * | 2016-07-12 | 2016-09-21 | 西安西热控制技术有限公司 | Selection device for two analog input and selection method thereof |
| CN105955090A (en) * | 2016-07-12 | 2016-09-21 | 西安西热控制技术有限公司 | Selection device for three analog input and selection method thereof |
| CN105955090B (en) * | 2016-07-12 | 2018-05-11 | 西安西热控制技术有限公司 | A kind of system of selection of three analog inputs selection device |
| CN105955091B (en) * | 2016-07-12 | 2018-12-04 | 西安西热控制技术有限公司 | A kind of selection method of two analog inputs selection device |
| CN108768461A (en) * | 2018-06-11 | 2018-11-06 | 中国水利水电科学研究院 | A kind of engineering communication transferring device and system |
| CN108768461B (en) * | 2018-06-11 | 2020-09-04 | 中国水利水电科学研究院 | Engineering communication transfer device and system |
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Granted publication date: 20150812 Termination date: 20180312 |