CN202331083U - Universal multifunctional precursor data acquirer - Google Patents
Universal multifunctional precursor data acquirer Download PDFInfo
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- CN202331083U CN202331083U CN2011204647366U CN201120464736U CN202331083U CN 202331083 U CN202331083 U CN 202331083U CN 2011204647366 U CN2011204647366 U CN 2011204647366U CN 201120464736 U CN201120464736 U CN 201120464736U CN 202331083 U CN202331083 U CN 202331083U
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Abstract
The utility model discloses a universal multifunctional precursor data acquirer, relating to data acquirers. The problems of relatively low precision and low stability of the conventional precursor data acquirer are solved, and the shortcomings that the conventional data acquirer only aims at an observation measure and a sensor, and is not suitable for multi-measure comprehensive observation are overcome. Four input ends of an analog signal acquisition circuit are four paths of analog signal acquisition channels; two analog signal output ends of the analog signal acquisition circuit are connected with two analog signal input ends of a processor 4 through an SPI (single program initiation) synchronous communication bus; two input ends of a pulse signal acquisition circuit are two paths of pulse signal acquisition channels; two pulse signal output ends of the pulse signal acquisition circuit are respectively connected with two GPIO (general purpose input/output) digital ports of the processor 4; two input ends of an RS485 signal acquisition circuit are two paths of RS485 signal acquisition channel; and two RS485 signal output ends of the RS485 signal acquisition circuit are connected with two UART (universal asynchronous receiver/transmitter) asynchronous communication ports of the processor respectively. The universal multifunctional precursor data acquirer is suitable to acquire various precursor data in north at low power consumption and low temperature.
Description
Technical field
The utility model relates to a kind of data acquisition unit.
Background technology
The scope of omen subjects such as domestic existing fluid, deformation mainly is divided into two parts: visualizer and data acquisition unit.Wherein visualizer (like vertical pendulum inclinator, body strain appearance) is exactly the primary instrument (sensor) that we often say; It mainly acts on is to realize Non-Electricity Measurement; Non-electrical signal physical quantitys such as the fluid of soon being observed, deformation change electric signal into; Accomplish multistage gain amplification and signal filtering work simultaneously, produce at last standard ± the 2V analog quantity output signals.The main effect of data acquisition unit is to accomplish the A/D digital-to-analog conversion, is about to ± analog signals of 2V is transformed into digital quantity signal, and realizes the work such as storage and communication of data, not doing generally in this link that gain is amplified and the work of signal filtering.
Mostly existing precursor data collector is data acquisition unit product or " 95 " upgrading product version that China Seismology Bureau promotes during the ninth five-year plan, also has certain problem in precision, aspect stable; Most in addition data acquisition units are not suitable for the needs of many means INTEGRATED SIGHT only to a kind of observation method, a kind of sensor.The power consumption of the data acquisition unit that China Seismology Bureau promotes during indivedual the Tenth Five-Year Plan (2001-2005) is bigger, and poor stability is not suitable for open-air long-term work.Existing precursor data collector precision is lower, is mostly that mostly 16 AD collections are a minute Value Data, lack real-time image data.
The utility model content
There is the low problem low with stability of precision in the utility model in order to solve existing precursor data collector; And only to a kind of observation method, a kind of sensor; Be not suitable for the defective of many means INTEGRATED SIGHT, and proposed a kind of functional universal precursor data collector.
The functional universal precursor data collector of the utility model is the collector with 8 road signal sampling channels; Described 8 road signal sampling channels comprise 4 road analog signals acquisition channels, 2 road pulse signal acquisition passages and 2 road RS485 signal sampling channels; It comprises analog signals Acquisition Circuit, pulse signal acquisition circuit, RS485 signal acquisition circuit and processor; Four input ends of analog signals Acquisition Circuit are 4 road analog signals acquisition channels; Two output terminals of the analog signals of analog signals Acquisition Circuit are connected with two analog signals input ends of processor through the SPI synchronous communication bus respectively; Two input ends of pulse signal acquisition circuit are 2 road pulse signal acquisition passages; Two pulse signal output ends of pulse signal acquisition circuit are connected with two GPIO digital ports of processor respectively; Two input ends of RS485 signal acquisition circuit are 2 road RS485 signal sampling channels, and two RS485 signal output parts of RS485 signal acquisition circuit are connected with two UART Asynchronous communications ports of processor respectively.
The utility model is realized the integrated data collection of high precision, hyperchannel, many input pattern signals, has low-power consumption, low temperature resistant environment, moisture seal and reliable quality advantage, and supports high-capacity storage and tcp/ip communication.The utility model is applicable to low temperature environment and low-power consumption work, and has low-cost high performance-price ratio; Can be flowable precursor measuring platform and earthquake weak point and face tracking work reliable collecting device is provided, adopt for the precursor data collector during China Seismology Bureau's the Tenth Five-Year Plan (2001-2005) provides a low cost backup number; For the local station provides precursor data collector that can accept to invest, low-cost high performance-price ratio.Especially play certain facilitation for promoting the earthquake precursor observation means.
Description of drawings
Fig. 1 is the structural representation of the utility model, and Fig. 2 has accomplished the actual odd-numbered day recording curve figure that tilt meter data is gathered, and Fig. 3 has accomplished the actual long-term recording curve figure that tilt meter data is gathered.
Embodiment
Embodiment one: combine Fig. 1 that this embodiment is described; The functional universal precursor data collector of this embodiment is the collector with 8 road signal sampling channels; Described 8 road signal sampling channels comprise 4 road analog signals acquisition channels, 2 road pulse signal acquisition passages and 2 road RS485 signal sampling channels; It comprises analog signals Acquisition Circuit 1, pulse signal acquisition circuit 2, RS485 signal acquisition circuit 3 and processor 4; Four input ends of analog signals Acquisition Circuit 1 are 4 road analog signals acquisition channels; Two output terminals of the analog signals of analog signals Acquisition Circuit 1 are connected with two analog signals input ends of processor 4 through the SPI synchronous communication bus respectively; Two input ends of pulse signal acquisition circuit 2 are 2 road pulse signal acquisition passages; Two pulse signal output ends of pulse signal acquisition circuit 2 are connected with two GPIO digital ports of processor 4 respectively, and two input ends of RS485 signal acquisition circuit 3 are 2 road RS485 signal sampling channels, and two RS485 signal output parts of RS485 signal acquisition circuit 3 are connected with two UART Asynchronous communications ports of processor 4 respectively.
Embodiment two: combine Fig. 1 that this embodiment is described; This embodiment and embodiment one difference are signal amplification that analog signals Acquisition Circuit 1 comprises that two precision instrument amplifiers and accurate Resistor-Capacitor Unit constitute and filtering circuit 11, two 24 A/D signal acquisition circuits 12 and two high speed photo coupling buffer circuits 13; The signal that each precision instrument amplifier and accurate Resistor-Capacitor Unit constitute amplifies and filtering circuit 11 has two input ends and two output terminals; The signal that two precision instrument amplifiers and accurate Resistor-Capacitor Unit constitute amplifies and four input ends of filtering circuit 11 are four input ends of analog signals Acquisition Circuit 1, is 4 road analog signals acquisition channels; Each high speed photo coupling buffer circuit 13 has an output terminal, two output terminals of analog signals that two output terminals of two high speed photo coupling buffer circuits 13 are analog signals Acquisition Circuit 1; The precision instrument amplifier is identical with the syndeton of high speed photo coupling buffer circuit 13 with signal amplification and 11,24 A/D signal acquisition circuits of filtering circuit 12 that accurate Resistor-Capacitor Unit constitutes; Wherein, The precision instrument amplifier amplifies with the signal that accurate Resistor-Capacitor Unit constitutes and two output terminals of filtering circuit 11 are connected with two input ends of 24 A/D signal acquisition circuits 12 respectively; The output terminal of 24 A/D signal acquisition circuits 12 is connected with the input end of high speed photo coupling buffer circuit 13; The feedback end of 24 A/D signal acquisition circuits 12 is connected with the feedback output end of high speed photo coupling buffer circuit 13, and the output terminal of high speed photo coupling buffer circuit 13 is an analog signals output terminal of analog signals Acquisition Circuit 1.Other composition is identical with embodiment one with connected mode.
Embodiment three: combine Fig. 1 that this embodiment is described; This embodiment is also to comprise display panels 5 with above-mentioned embodiment difference; Display panels 5 adopts parallel DB bus to be connected with processor 4, and other composition is identical with above-mentioned embodiment with connected mode.
Embodiment four: combine Fig. 1 that this embodiment is described; This embodiment is also to comprise keyboard 6 with above-mentioned embodiment difference; The output terminal of keyboard 6 is connected with the GPIO control port of processor 4, and other composition is identical with above-mentioned embodiment with connected mode.
Embodiment five: combine Fig. 1 that this embodiment is described; This embodiment is also to comprise USB interface, 256M storer and tcp/ip communication module with above-mentioned embodiment difference; USB interface is connected with address bus, data bus and the GPIO port of processor 4 through the USB controller; The 256M storer is connected with processor 4 data buss and GPIO control port, and the tcp/ip communication module is connected with processor 4 through network controller.Other composition is identical with above-mentioned embodiment with connected mode.
Embodiment six: this embodiment is also to comprise waterproof aluminium alloy cabinet with above-mentioned embodiment difference; Being installed on the waterproof aluminium alloy cabinet of analog signals Acquisition Circuit 1, pulse signal acquisition circuit 2, RS485 signal acquisition circuit 3, processor 4, display panels 5, keyboard 6, USB interface, 256M storer and the equal waterproof sealing of tcp/ip communication module, other composition is identical with above-mentioned embodiment with connected mode.
Embodiment seven: this embodiment and above-mentioned embodiment difference are that RS485 signal acquisition circuit 3 adopts the isolated form RS485 IC module of communicating by letter, and other composition is identical with above-mentioned embodiment with connected mode.
Embodiment eight: this embodiment is that with above-mentioned embodiment difference processor 4 is 32 flush bonding processors of ARM9 Kernel Technology; Promptly adopt embedded 32 ATMELARM9 processors, other composition is identical with above-mentioned embodiment with connected mode.
The utility model is to be fit to the embedded system based on the ARM9 architecture multi-functional, that the hyperchannel number is adopted needs; Its operating system will adopt Linux, and it must possess: reliably working steady in a long-term, low in energy consumption, the file system of supporting mass data storage, support 10M/100M TCP/IP network service, support SPI synchronous data communication (so that management CS5532 analog to digital converter), and to take into full account the characteristics of expanded function from now on.
The electric interfaces mode that investigation, the sensor of analyzing, confirm existing each precursor observation means and number are adopted, and the signal output form of sensor.
Search, analyze, confirm data memory format and data communication format that existing each precursor observation means number is adopted, make our number adopt data communication format and the data memory format of supporting " 15 omen management system " fully.Data acquisition needs with the sensor that satisfies all kinds of unlike signal way of outputs; Realize the needs that functional universal, multichannel omen number are adopted.
Hyperchannel: should have 8 road signal sampling channels at least---4 road analog signals acquisition channels, 2 road pulse signal acquisition passages and 2 road RS485 signal sampling channels;
Multi-functional: factor has 8 road signal sampling channels according to collector, can be compatible like many means data acquisitions such as water level, water temperature, vertical pendulum inclination, boring body strain, earth magnetism;
4 road analog signalses are gathered; Employing is amplified and filtering circuit 11 by the signal that precision instrument amplifier and accurate Resistor-Capacitor Unit constitute; When guaranteeing accurately effective filtering characteristic; Also greatly improved the input impedance that number is adopted, when carrying out data acquisition, effectively reduced number and adopt effect of signals primary instrument (sensor);
Through high speed photo coupling buffer circuit 13 analog acquisition part and digital processing circuit part are isolated fully, independently-powered respectively simultaneously, thus avoided of the interference of high-frequency signal part effectively to the analog acquisition signal;
Realize the omen integrated data collection of high precision (24bit), hyperchannel (8 tunnel), many input pattern signals, can directly adopt as the omen number of level sensor, cooling-water temperature sensor, inclination sensor, body strain sensor, meteorological three elements sensor etc.;
Low temperature resistant environment, moisture seal (adopting the design of waterproof aluminium alloy cabinet), reliable in quality;
High capacity data storage (256M), tcp/ip communication.
Function with long-range demarcation, the big filtered sensor of zeroing earthquake precursors.Expansion board (filtering and Long-distance Control plate) will be integrated in number and adopt cabinet inside; Can directly be connected, need not to re-use original controller with the big filtered sensor cable of earthquake precursors.
Wherein, the analog quantity scope (± 2.5V); Precision ± 0.01%F.S; Noise level (estimation≤1 * 10-5); Nonlinearity (≤1%fs); Working environment (temperature-25 ℃～55 ℃; Relative humidity 90%); Low-power consumption (applied power≤3.0W); RS485 (4800bps～19200bps, long transmission distance 1000 meters in); Pulse signal (1KHz～10KHz).The core processing unit that employing is adopted as number based on 32 flush bonding processors of ARM9 Kernel Technology; 256M FLASH electric board; (preserving minute Value Data in 1 year at least).
The utility model is that the omen number of a explicit physical meaning, National standard is adopted.But the omen number that the low-power consumption low temperature that is fit to northern work characteristics is worked is down adopted.The hyperchannel of low price high performance-price ratio, multi-functional omen number are adopted, and can be used as the replacement equipment that " 15 " omen number is adopted.For providing, the local station can accept to invest " earthquake precursors data acquisition unit " price, low-cost high performance-price ratio.Play certain facilitation for promoting the earthquake precursor observation means.Solve long-range zeroing problem, solve the difficult problem of maintenance of " unmanned deformation platform net " like big filtered sensor observation methods such as vertical pendulum inclination sensors.
The utility model content is not limited only to the content of above-mentioned each embodiment, and the combination of one of them or several embodiments equally also can realize the purpose of utility model.
Claims (10)
1. functional universal precursor data collector; It is characterized in that it is the collector with 8 road signal sampling channels; Described 8 road signal sampling channels comprise 4 road analog signals acquisition channels, 2 road pulse signal acquisition passages and 2 road RS485 signal sampling channels; It comprises analog signals Acquisition Circuit (1), pulse signal acquisition circuit (2), RS485 signal acquisition circuit (3) and processor (4); Four input ends of analog signals Acquisition Circuit (1) are 4 road analog signals acquisition channels; Two output terminals of the analog signals of analog signals Acquisition Circuit (1) are connected with two analog signals input ends of processor (4) through the SPI synchronous communication bus respectively; Two input ends of pulse signal acquisition circuit (2) are 2 road pulse signal acquisition passages; Two pulse signal output ends of pulse signal acquisition circuit (2) are connected with two GPIO digital ports of processor (4) respectively, and two input ends of RS485 signal acquisition circuit (3) are 2 road RS485 signal sampling channels, and two RS485 signal output parts of RS485 signal acquisition circuit (3) are connected with two UART Asynchronous communications ports of processor (4) respectively.
2. functional universal precursor data collector according to claim 1; It is characterized in that the signal that analog signals Acquisition Circuit (1) comprises that two precision instrument amplifiers and accurate Resistor-Capacitor Unit constitute amplifies and filtering circuit (11), two 24 A/D signal acquisition circuits (12) and two high speed photo coupling buffer circuits (13); The signal that each precision instrument amplifier and accurate Resistor-Capacitor Unit constitute amplifies and filtering circuit (11) has two input ends and two output terminals; The signal that two precision instrument amplifiers and accurate Resistor-Capacitor Unit constitute amplifies and four input ends of filtering circuit (11) are four input ends of analog signals Acquisition Circuit (1), is 4 road analog signals acquisition channels; Each high speed photo coupling buffer circuit (13) has an output terminal, and two output terminals of two high speed photo coupling buffer circuits (13) are two output terminals of analog signals of analog signals Acquisition Circuit (1); The precision instrument amplifier amplifies with the signal that accurate Resistor-Capacitor Unit constitutes and filtering circuit (11), 24 A/D signal acquisition circuits (12) are identical with the syndeton of high speed photo coupling buffer circuit (13); Wherein, The precision instrument amplifier amplifies with the signal that accurate Resistor-Capacitor Unit constitutes and two output terminals of filtering circuit (11) are connected with two input ends of 24 A/D signal acquisition circuits (12) respectively; The output terminal of 24 A/D signal acquisition circuits (12) is connected with the input end of high speed photo coupling buffer circuit (13); The feedback end of 24 A/D signal acquisition circuits (12) is connected with the feedback output end of high speed photo coupling buffer circuit (13), and the output terminal of high speed photo coupling buffer circuit (13) is an analog signals output terminal of analog signals Acquisition Circuit (1).
3. functional universal precursor data collector according to claim 1 and 2 is characterized in that also comprising display panels (5), and display panels (5) adopts parallel DB bus to be connected with processor (4).
4. functional universal precursor data collector according to claim 3 is characterized in that also comprising keyboard (6), and the output terminal of keyboard (6) is connected with the GPIO control port of processor (4).
5. according to claim 1,2 or 4 described functional universal precursor data collectors, it is characterized in that also comprising USB interface, USB interface is connected with address bus, data bus and the GPIO port of processor (4) through the USB controller.
6. functional universal precursor data collector according to claim 5 is characterized in that also comprising the 256M storer, and the 256M storer is connected with the data bus and the GPIO control port of processor (4).
7. according to claim 1,2,4 or 6 described functional universal precursor data collectors, it is characterized in that also comprising the tcp/ip communication module, the tcp/ip communication module is connected with processor (4) through network controller.
8. functional universal precursor data collector according to claim 7; It is characterized in that also comprising waterproof aluminium alloy cabinet, being installed on the waterproof aluminium alloy cabinet of analog signals Acquisition Circuit (1), pulse signal acquisition circuit (2), RS485 signal acquisition circuit (3), processor (4), display panels (5), keyboard (6), USB interface, 256M storer and the equal waterproof sealing of tcp/ip communication module.
9. according to claim 1,2,4,6 or 8 described functional universal precursor data collectors, it is characterized in that RS485 signal acquisition circuit (3) adopts isolated form RS485 communication IC module.
10. functional universal precursor data collector according to claim 9 is characterized in that processor (4) is 32 flush bonding processors of ARM9 Kernel Technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204647366U CN202331083U (en) | 2011-11-21 | 2011-11-21 | Universal multifunctional precursor data acquirer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011204647366U CN202331083U (en) | 2011-11-21 | 2011-11-21 | Universal multifunctional precursor data acquirer |
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| CN202331083U true CN202331083U (en) | 2012-07-11 |
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| CN2011204647366U Expired - Fee Related CN202331083U (en) | 2011-11-21 | 2011-11-21 | Universal multifunctional precursor data acquirer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954312A (en) * | 2014-04-24 | 2014-07-30 | 福建顺昌虹润精密仪器有限公司 | Data acquisition paperless recorder |
| CN105988133A (en) * | 2015-02-03 | 2016-10-05 | 中国地震局地震研究所 | Borehole strain observation full-frequency band data acquisition device |
| CN108413922A (en) * | 2018-05-10 | 2018-08-17 | 新疆维吾尔自治区地震局 | A kind of fast detector for Borehole strain observation instrument |
| CN108427026A (en) * | 2018-03-22 | 2018-08-21 | 西安天箭防务科技有限公司 | A kind of universal signal waveform acquisition equipment |
-
2011
- 2011-11-21 CN CN2011204647366U patent/CN202331083U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954312A (en) * | 2014-04-24 | 2014-07-30 | 福建顺昌虹润精密仪器有限公司 | Data acquisition paperless recorder |
| CN105988133A (en) * | 2015-02-03 | 2016-10-05 | 中国地震局地震研究所 | Borehole strain observation full-frequency band data acquisition device |
| CN105988133B (en) * | 2015-02-03 | 2018-01-12 | 中国地震局地震研究所 | A kind of Borehole strain observation Whole frequency band data acquisition unit |
| CN108427026A (en) * | 2018-03-22 | 2018-08-21 | 西安天箭防务科技有限公司 | A kind of universal signal waveform acquisition equipment |
| CN108413922A (en) * | 2018-05-10 | 2018-08-17 | 新疆维吾尔自治区地震局 | A kind of fast detector for Borehole strain observation instrument |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20141121 |
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| EXPY | Termination of patent right or utility model |