CN203178718U - Novel intelligent controller of on-site near infrared spectrum detection apparatus - Google Patents
Novel intelligent controller of on-site near infrared spectrum detection apparatus Download PDFInfo
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- CN203178718U CN203178718U CN 201320028866 CN201320028866U CN203178718U CN 203178718 U CN203178718 U CN 203178718U CN 201320028866 CN201320028866 CN 201320028866 CN 201320028866 U CN201320028866 U CN 201320028866U CN 203178718 U CN203178718 U CN 203178718U
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Abstract
The utility model provides a novel intelligent controller of an on-site near infrared spectrum detection apparatus. The novel intelligent controller is mainly composed of a controller dual-CPU host and system management control module, an optical splitter radiofrequency signal source and intelligent control module, a near infrared signal detection transition control module, and an application control system. With the adoption of the aforementioned technical scheme, the beneficial effects of the novel intelligent controller reside in that from the perspectives of on-site and on-line applications, the sampling speed and the detection signal-to-noise ratio of a near infrared spectrum electro-optical system are substantially increased, and the data processing capability and the automation level of the apparatus are improved, so that the performance and functions of the on-site near infrared spectrum detection apparatus are greatly improved and the applications of a near infrared spectrum technology are greatly broadened.
Description
Technical field
The utility model relates to the intelligent controller of the on-the-spot near-infrared spectrum detection device that is applied to the online detection of material rerum natura, and what be specifically related to is novel on-the-spot near-infrared spectrum detection device intelligent controller.
Background technology
In process industry quality certification systems such as metallurgy, coal, petrochemical complex, medicine food, cosmetics, semiconductor, quick online detection is just promoting process control by the change of off-line to online or on-the-spot detection, and it is more fair, just also to promote business transaction.
Be widely used in on-line measurement and the control of variablees such as temperature, pressure and flow in the process control of present most process industry, and to still directly continuous coverages of key variable such as the chemical constitution that characterizes production status in the process and rerum naturas, thereby had a strong impact on productive rate and the quality of finished product, influence economic benefit of enterprises or infringement purchaser's interests.
On-the-spot near infrared light spectral apparatus is used for key variablees such as the chemical constitution of online testing process industrial process material and rerum natura and has fast, need not advantages such as sample preparation, suitable various states of matters, and environmental suitability is strong, and principle and practice are gone up the special industrial process that adapts to and measured in real time.
The utility model content
For addressing the above problem, the purpose of this utility model be near infrared spectrum be between visible light and in band between infrared, organic substance does not generally need sample is carried out complex process in the abundant information in this spectrum district, just can online samples such as solid, liquid, colloid, powder be analyzed.On-the-spot near infrared light spectral apparatus is to utilize this feature of near infrared spectrum, be applied to key variablees such as the chemical constitution that characterizes production status in the process flow industry process and rerum natura are implemented direct continuous coverage, the quality at goods, finished product of production run is understood and is controlled, the on-the-spot near infrared light spectral apparatus of the utility model intelligent controller, the control, management and the numerical value that are used for finishing on-the-spot near infrared light spectral apparatus are handled.
For achieving the above object, the technical solution of the utility model is: novel on-the-spot near-infrared spectrum detection device intelligent controller is mainly by the two CPU main frames of controller and system management control module, light-splitting device radio-frequency signal source and intelligent control module, near infrared signal detects the conversion and control module and the application controls system constitutes, the two CPU main frames of its middle controller are being connected light-splitting device radio-frequency signal source and intelligent control module with system management control module signal, light-splitting device radio-frequency signal source and intelligent control module signal are connecting near infrared signal and are detecting the conversion and control module, and near infrared signal detects the conversion and control module by signal and connecting the application controls system.
Described light-splitting device radio-frequency signal source and intelligent control module are made up of light source and light source stability control loop, radio-frequency signal source, intelligent control unit, near infrared signal detection control and interface unit, and wherein the intelligent control unit communication is connecting light source and light source stability control loop, radio-frequency signal source, near infrared signal detection control and interface unit.
Described interface unit communication is connecting light source and light source stability control loop and near infrared signal and is detecting control.
By the beneficial effect after the technique scheme be:
1) adopts high-performance single-chip microcomputer and take the double machine parallel mode of operation, improved travelling speed and the functional reliability of controller greatly.
2) control system is carried out programmed control and is solved the stability of light source problem by high performance energy of light source monitoring and control circuit light source by workflow.
3) radio-frequency signal source and intelligent control unit provide the length scanning of AOTF diffraction light to drive control, intelligence signature waveform is implemented high resolution scanning, the frequency output in having realized on a large scale and the high speed high-resolution of characteristic information pick.
4) the near infrared signal testing circuit has adopted a kind of phase lock amplifying technology of novelty, has realized improving the purpose of detection signal-to-noise ratio.
5) novel on-the-spot near-infrared spectrum detection device intelligent controller is different from the application of near-infrared spectrum technique testing laboratory, from on-the-spot and online application point of view improved greatly near infrared spectrum light, electric system sample rate and detection signal-to-noise ratio, improved data-handling capacity and the automatization level of installing, thereby performance, the function of on-the-spot near-infrared spectrum detection device have been improved greatly, the application of having expanded near-infrared spectrum technique greatly.
Description of drawings
Fig. 1 is the utility model one-piece construction synoptic diagram.
Fig. 2 is the utility model light-splitting device radio-frequency signal source and intelligent control module circuit theory diagrams.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described.
By shown in Figure 1, a kind of novel on-the-spot near-infrared spectrum detection device intelligent controller of the utility model is mainly by the two CPU main frames of controller and system management control module 1, light-splitting device radio-frequency signal source and intelligent control module 2, near infrared signal detects conversion and control module 3 and application controls system 4 constitutes, the two CPU main frames of its middle controller are being connected light-splitting device radio-frequency signal source and intelligent control module 2 with system management control module 1 signal, light-splitting device radio-frequency signal source and intelligent control module 2 signals are connecting near infrared signal and are detecting conversion and control module 3, and near infrared signal detects conversion and control module 3 signals and connecting application controls system 4; Light-splitting device radio-frequency signal source and intelligent control module are made up of light source and light source stability control loop, radio-frequency signal source, intelligent control unit, near infrared signal detection control and interface unit, and wherein the intelligent control unit communication is connecting light source and light source stability control loop, radio-frequency signal source, near infrared signal detection control and interface unit; The interface unit communication is connecting light source and light source stability control loop and near infrared signal and is detecting control.
Characteristics such as on-the-spot near-infrared spectrum detection device is poor at tested solid-phase material light transmission, the material state deviation is big are selected to obtain the overall plan that material component constitutes to detecting by diffusing of sample interior.Novel on-the-spot near-infrared spectrum detection device intelligent controller technical scheme is based on device overall plan and forms, scheme mainly detects device technique requirements such as control, on-line continuous detection, rapid data processing and adaptive capacity to environment around diffusing of solid-phase material, solve the rig-site utilization technical matters of near infrared light spectral apparatus targetedly.
Two CPU main frames of this controller and system management control module 1 adopt based on the master, be the embedded instrumentation design of core from dual processor, realized the processing of real-time detection and rapid data transmission effectively, wherein primary processor adopts the embedded system S3C2410A based on the ARM9 kernel, the device chip has higher travelling speed, bigger address space, low-power consumption and high performance-price ratio, possesses the ability of moving a complete embedded OS thereon, use 32 ARM and set up the management function that man-machine friendship family platform is finished demonstration and keyboard, independently finish calibration, functions such as analysis and data processing have improved real-time and the on-the-spot function of installing greatly.From processor adopting monolithic eight bit machines finish or collaborative finish comprise that device is program control, the system management optimal control of the light, mechanical, electrical systems such as collection conversion of the stable control of electric light source, intelligent frequency-selecting control, photosignal.Principal and subordinate processor is by the serial communication construction system and realize information sharing.
Near infrared light spectral apparatus flashing causes the baseline of infrared spectrum device to drift about surely, has a strong impact on the Repeatability and Reproducibility of device image data.The utility model has adopted Single-chip Controlling light stability system near infrared light spectral apparatus light source stability problem, and it gathers feedback voltage by AD, uses the digital PID algorithm, and DA exports to adjust power supply by control, thereby reaches the purpose of stabilized light source.Light-source control system mainly comprises two parts of hardware and software: hardware components comprises that single-chip microcomputer operating circuit, AD Acquisition Circuit, DA control circuit, electric light source drive loop and feedback circuit; Software section comprises collection, filtering, digital PID control and the DA output of serial communication between single-chip microcomputer, feedback signal.
On-the-spot near-infrared spectrum detection device light-splitting device adopts acousto-optic tunable filter, to its radio-frequency driven control continuous or the unique point frequency-selecting, can realize on-line continuous, fast detecting easily.Light-splitting device radio-frequency signal source of the present utility model and intelligent control module are amplified by frequency synthesis, signal and software control three parts constitute.Directly synthetic technology PHASE-LOCKED LOOP PLL TECHNIQUE (PLL) the chip realization of high performance ADF4360 one 8 numerals is partly adopted in frequency synthesis.Signal amplifying part divide to adopt UPCI65lG that the rf frequency of output is amplified, to obtain enough big rf frequencies of power.Software control part cooperates realization by dual processor, and 32 one-chip computers calculate the required operational factor of select target rf frequency according to device operation needs, send command adapted thereto to eight one-chip computer by serial communication interface.Eight one-chip computers expansion I/0 mouth connect ADF4360-8 chip software control port, finish work such as sheet choosing, control word to ADF4360-8 chip arranges.
On-the-spot near-infrared spectrum detection device adopts linear CCD to detect spectral signal.Detect near infrared signal detect the conversion and control module at the measuring-signal of electrooptical device CCD output amplify, filtering, segmentation, gating, conversion and impedance matching etc., mainly by formations such as amplifying circuit, modulation-demodulation circuit, filtering circuit, impedance inverter circuit, level shifting circuit, analog to digital conversion (A/D) circuit, non-linear compensation circuits.Finish to useful signal, the garbage signal of sensor output and the various signals that represent different information separately, its feeble signal is amplified, is differentiated the subtle change of measured signal, analog signal conversion is become digital signal and transfers to central processing unit, near infrared signal detects the acceptance of conversion and control module control circuit from the steering order of central processing unit, for CCD photoelectric sensor operate as normal provides sequential and driving, and control signal is amplified, changes, isolates, driven and control.
On-the-spot near-infrared spectrum detection device intelligent controller application controls system (seeing figure two software flow patterns) mainly finishes setting, the driving control of each functions of modules circuit of controller; Finish serial communication between single-chip microcomputer; Finish the management function of the platform demonstration of man-machine friendship family and keyboard, finish collection, filtering, digital PID algorithm and the control output of signal; Finishing calibration, analysis, the data of data handles.The application controls system adopts multi-task scheduling and interrupt processing technology, has improved the processing capability in real time of system greatly.
This claim is clearly represented all to belong to protection scope of the present invention for the concept of novel on-the-spot near-infrared spectrum detection device intelligent controller, formulation and invention know-why, implementation method; Those skilled in the art can also make some improvement and modification under the prerequisite that does not break away from know-why of the present invention, these improve and modification also should be considered as protection scope of the present invention.
Claims (3)
1. novel on-the-spot near-infrared spectrum detection device intelligent controller, it is characterized in that: described novel on-the-spot near-infrared spectrum detection device intelligent controller is mainly by the two CPU main frames of controller and system management control module, light-splitting device radio-frequency signal source and intelligent control module, near infrared signal detects the conversion and control module and the application controls system constitutes, the two CPU main frames of its middle controller are being connected light-splitting device radio-frequency signal source and intelligent control module with system management control module signal, light-splitting device radio-frequency signal source and intelligent control module signal are connecting near infrared signal and are detecting the conversion and control module, and near infrared signal detects the conversion and control module by signal and connecting the application controls system.
2. novel on-the-spot near-infrared spectrum detection device intelligent controller according to claim 1, it is characterized in that: described light-splitting device radio-frequency signal source and intelligent control module are made up of light source and light source stability control loop, radio-frequency signal source, intelligent control unit, near infrared signal detection control and interface unit, and wherein the intelligent control unit communication is connecting light source and light source stability control loop, radio-frequency signal source, near infrared signal detection control and interface unit.
3. novel on-the-spot near-infrared spectrum detection device intelligent controller according to claim 2 is characterized in that: described interface unit communication is connecting light source and light source stability control loop and near infrared signal and is detecting control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201320028866 CN203178718U (en) | 2013-01-21 | 2013-01-21 | Novel intelligent controller of on-site near infrared spectrum detection apparatus |
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| CN 201320028866 CN203178718U (en) | 2013-01-21 | 2013-01-21 | Novel intelligent controller of on-site near infrared spectrum detection apparatus |
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| CN203178718U true CN203178718U (en) | 2013-09-04 |
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| CN 201320028866 Expired - Fee Related CN203178718U (en) | 2013-01-21 | 2013-01-21 | Novel intelligent controller of on-site near infrared spectrum detection apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608705A (en) * | 2022-05-09 | 2022-06-10 | 湖北方圆环保科技有限公司 | Spectral signal data sampling and peak value detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114608705A (en) * | 2022-05-09 | 2022-06-10 | 湖北方圆环保科技有限公司 | Spectral signal data sampling and peak value detection method |
| CN114608705B (en) * | 2022-05-09 | 2022-07-29 | 湖北方圆环保科技有限公司 | Spectral signal data sampling and peak value detection method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20190121 |