CN110542670B - Realize online near-infrared analyzer of many indexes simultaneous detection - Google Patents
Realize online near-infrared analyzer of many indexes simultaneous detection Download PDFInfo
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- CN110542670B CN110542670B CN201910820590.5A CN201910820590A CN110542670B CN 110542670 B CN110542670 B CN 110542670B CN 201910820590 A CN201910820590 A CN 201910820590A CN 110542670 B CN110542670 B CN 110542670B
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- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 239000000523 sample Substances 0.000 claims abstract description 30
- 238000010926 purge Methods 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 13
- 229910052594 sapphire Inorganic materials 0.000 claims abstract description 8
- 239000010980 sapphire Substances 0.000 claims abstract description 8
- 230000003287 optical effect Effects 0.000 claims abstract description 7
- 238000010986 on-line near-infrared spectroscopy Methods 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims description 18
- 238000005070 sampling Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 6
- 230000008054 signal transmission Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 description 7
- 238000001228 spectrum Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000007619 statistical method Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000004092 self-diagnosis Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013499 data model Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
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Abstract
The invention discloses an online near-infrared analyzer for realizing simultaneous detection of multiple indexes, which comprises a host explosion-proof shell, wherein one side of the host explosion-proof shell is fixedly connected with an explosion-proof cover, the other side of the host explosion-proof shell is fixedly connected with a connecting flange, one side of the connecting flange is fixedly connected with a cooling channel, one side of the cooling channel is fixedly connected with a purging optical probe, the bottom of the host explosion-proof shell is fixedly connected with a pressure balance valve, and the bottom of the host explosion-proof shell is fixedly connected with a direct-current power supply line. According to the on-line near-infrared analyzer, the connecting flange is fixedly connected to one side of the host explosion-proof shell, a contact type measuring method is adopted, the state of a sample is not damaged, the sapphire window is fixedly connected to one side of the cooling channel, the operation of the analyzer at a relatively constant temperature can be guaranteed, and the accuracy and the stability of a detection result are guaranteed.
Description
Technical Field
The invention relates to the technical field of online near-infrared analysis, in particular to an online near-infrared analyzer for realizing simultaneous detection of multiple indexes.
Background
The infrared gas analyzer utilizes infrared rays to analyze gas, and is based on the fact that the concentration of components to be analyzed is different, absorbed radiation energy is different, the temperature in a detector is increased differently by the remaining radiation energy, and the pressure on two sides of a moving plate film is different, so that an electric signal of a capacitance detector is generated, the concentration of the components to be analyzed can be indirectly measured, and the existing online near infrared analyzer mainly has the following defects:
1) the installation is difficult, and operations such as hole forming, electric welding, wiring and the like need to be carried out on site;
2) the current online instrument has lower test precision and can only test a single index;
3) the measuring mode is easily influenced by the state of the sample;
4) instrumental sampling is representative of insufficiency;
5) the instrument lacks a self-diagnosis function, and needs a professional technical engineer to diagnose when the instrument has an operation fault;
6) lack of temperature control function;
7) lack of sample labeling function;
8) the traditional online detection equipment only can output the detection result of the instrument to a laboratory and cannot perform good statistical analysis on the tested data.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an online near-infrared analyzer for realizing simultaneous detection of multiple indexes, and solves the problems that the installation is difficult, the test precision is low, only a single index can be tested, the measurement mode is easily influenced by the state of a sample, the sampling representativeness of the analyzer is insufficient, the analyzer is lack of a self-diagnosis function, a temperature control function and a sample marking function, and the tested data cannot be well statistically analyzed.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a realize online near-infrared analyzer of many indexs simultaneous detection, includes the host computer explosion-proof housing, the explosion-proof cover of one side fixedly connected with of host computer explosion-proof housing, opposite side fixedly connected with flange to flange's one side fixedly connected with cooling passageway, one side fixedly connected with of cooling passageway sweeps optical probe to the bottom fixedly connected with pressure balance valve of host computer explosion-proof housing, the bottom fixedly connected with DC power supply line of host computer explosion-proof housing to the opposite side fixedly connected with signal transmission communication line of host computer explosion-proof housing bottom, the right side fixedly connected with material detection room of host computer explosion-proof housing bottom, the surface of material detection room is provided with sample mark line, the compressed air entry has been seted up to the bottom of host computer explosion-proof housing and the one side that is located the material detection room.
Preferably, the middle part of the inner wall of the material detection chamber is provided with a lens cleaning and purging port, and the two sides of the inner wall of the material detection chamber, which are positioned on the lens cleaning and purging port, are respectively provided with a first sample purging port and a second sample purging port.
Preferably, one side fixedly connected with sapphire window of cooling passageway to the inside of cooling passageway just is located one side fixedly connected with spectrum appearance host computer of sapphire window.
Preferably, the right side of the spectrometer host is fixedly connected with a temperature control channel, and one side of the temperature control channel is fixedly connected with a temperature control system.
Preferably, one side of the temperature control system penetrates through the host explosion-proof shell and extends to the inside of the host explosion-proof shell, and one side of the temperature control system extending to the inside of the host explosion-proof shell is fixedly connected with a logic main control board.
Preferably, one side of the inner wall of the host explosion-proof shell is fixedly connected with a circuit board support frame, and the other side of the inner wall of the host explosion-proof shell is fixedly connected with an embedded PC master control.
Preferably, one side fixedly connected with of embedded PC master control sweeps the solenoid valve, one side of circuit board support frame just is located to sweep fixedly connected with accuse temperature solenoid valve directly over the solenoid valve.
The invention provides an online near-infrared analyzer for realizing simultaneous detection of multiple indexes. Compared with the prior art, the method has the following beneficial effects:
(1) this realize online near-infrared analyzer of many indexs simultaneous detection, one side fixedly connected with flange through host computer explosion-proof housing, and one side fixedly connected with cooling passageway of flange, one side fixedly connected with of cooling passageway sweeps optical probe, and the bottom fixedly connected with pressure balance valve of host computer explosion-proof housing, the bottom fixedly connected with DC power supply line of host computer explosion-proof housing, and the opposite side fixedly connected with signal transmission communication line of host computer explosion-proof housing bottom, the right side fixedly connected with material detection room of host computer explosion-proof housing bottom, the surface of material detection room is provided with sample mark line, compressed air entry has been seted up to one side that the bottom of host computer explosion-proof housing just is located the material detection room, it is comparatively convenient to install, can carry out the simultaneous test to many indexs of sample, such as moisture, albumen, fat, The testing precision of the fiber and the like can reach the precision level of laboratory testing, and the contact type measuring method is adopted, so that the state of a sample is not damaged.
(2) The online near-infrared analyzer for realizing the simultaneous detection of multiple indexes is characterized in that a sapphire window is fixedly connected to one side of a cooling channel, a spectrometer host is fixedly connected to one side, located at the sapphire window, of the inside of the cooling channel, a temperature control channel is fixedly connected to the right side of the spectrometer host, a temperature control system is fixedly connected to one side of the temperature control channel, one side of the temperature control system penetrates through an explosion-proof shell of the host and extends into the host, a logic main control board is fixedly connected to one side, extending to the inside of the explosion-proof shell of the host, of the temperature control system, the sample amount measured at a time is 20g, the test area is within the range, the detection index of an actual sample can be reflected, the operation process of the analyzer can be diagnosed, when the analyzer has an operation fault, the analyzer can be rapidly diagnosed through software, the temperature control function is, the accuracy and the stability of the detection result are ensured.
(3) This realize online near-infrared analyzer of many indexs simultaneous detection, one side fixedly connected with circuit board support frame through the explosion-proof shells inner wall of host computer to the opposite side fixedly connected with embedded PC master control of the explosion-proof shells inner wall of host computer, one side fixedly connected with of embedded PC master control sweeps the solenoid valve, one side of circuit board support frame just is located the fixedly connected with temperature control solenoid valve that sweeps directly over the solenoid valve, online equipment and instrument need mark the result of instrument survey in the use. When the sampling is carried out, the marking button is pressed, the instrument can automatically mark the online near infrared detection result and the spectrum of the sampled product in the system, the marked detection result and the spectrum can be inquired in the system, the detection result of the instrument can be checked conveniently, a database can be developed, the historical data inquiry function is realized, the statistical analysis function of team data can be realized, and the statistical analysis function of the team data can be output in a report form.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is a schematic structural diagram of a material detection chamber according to the present invention.
In the figure, 1 host explosion-proof shell, 2 explosion-proof cover, 3 connecting flange, 4 cooling channels, 5 purging optical probe, 6 pressure balance valve, 7 DC power supply line, 8 signal transmission communication line, 9 material detection chamber, 10 sample sampling mark line, 11 compressed air inlet, 12 lens cleaning purging port, 13 first sample purging port, 14 second sample purging port, 15 sapphire port, 16 spectrometer host, 17 temperature control channel, 18 temperature control system, 19 logic main control board, 20 circuit board support frame, 21 embedded PC main control, 22 purging electromagnetic valve, 23 temperature control electromagnetic valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: the utility model provides a realize online near-infrared analyzer of many indexs simultaneous detection, includes host computer explosion-proof housing 1, temperature upper limit: the highest temperature value of the instrument operation process control is higher than the temperature value of the instrument, the instrument starts cooling operation, and the lower temperature limit is as follows: the lowest temperature value controlled in the running process of the instrument is lower than the lowest temperature value controlled by the instrument, the instrument stops cooling operation, one side of the inner wall of the host explosion-proof shell 1 is fixedly connected with a circuit board support frame 20, the other side of the inner wall of the host explosion-proof shell 1 is fixedly connected with an embedded PC main control 21, one side of the embedded PC main control 21 is fixedly connected with a purging electromagnetic valve 22, one side of the circuit board support frame 20 and positioned right above the purging electromagnetic valve 22 is fixedly connected with a temperature control electromagnetic valve 23, one side of the host explosion-proof shell 1 is fixedly connected with an explosion-proof cover 2, one side of the host explosion-proof shell 1 is fixedly connected with a connecting flange 3, one side of the connecting flange 3 is fixedly connected with a cooling channel 4, one side of the cooling channel 4 is fixedly connected with a, the number of times of measuring a sample in a single measurement process is 50, an online device is default, a temperature control channel 17 is fixedly connected to the right side of a spectrometer host 16, a temperature control system 18 is fixedly connected to one side of the temperature control channel 17, one side of the temperature control system 18 penetrates through and extends into the host explosion-proof shell 1, a logic main control board 19 is fixedly connected to one side of the temperature control system 18 extending into the host explosion-proof shell 1, a purging optical probe 5 is fixedly connected to one side of a cooling channel 4, a pressure balance valve 6 is fixedly connected to the bottom of the host explosion-proof shell 1, a direct current power supply line 7 is fixedly connected to the bottom of the host explosion-proof shell 1, a signal transmission communication line 8 is fixedly connected to the other side of the bottom of the host explosion-proof shell 1, a material detection chamber 9 is fixedly connected to the right side of the bottom of the host explosion, the inner wall of the material detection chamber 9 and the two sides of the lens cleaning purging port 12 are respectively provided with a first sample purging port 13 and a second sample purging port 14, the purging of the samples by the compressed air is long, the purging can be reasonably set according to actual needs, the time interval between two times of measurement is longer than the purging time interval, the surface of the material detection chamber 9 is provided with a sample sampling mark line 10, and the bottom of the host explosion-proof shell 1 and one side of the material detection chamber 9 are provided with a compressed air inlet 11.
During the use, equipment circular telegram self-starting (including the computer), the circular telegram back, instrument power indicator is bright (red light), and the computer self-starting enters operation interface, and the instrument is in the closure state before the circular telegram starts please ensure that the sampling button, and online near-infrared analysis system software includes two parts: data analysis software and data transmission software, each data analysis software corresponds a spectrum appearance, if not corresponding then the suggestion of communication error can appear, double click desktop icon after the start, get into near-infrared analytic system, wait for the instrument to be connected with the spectrum appearance, after IP address, instrument serial number and equipment temperature parameter appear, show that the instrument has connected, surely remember: the method comprises the steps that parameter setting can be carried out only after an instrument is connected, the name of a model at the upper left side is clicked after the instrument is connected, a corresponding data model is selected, clicking continuous scanning is carried out after the model is selected, a measurement mode is entered when the continuous scanning is changed from red to green, a tested data result can be seen on an interface at the moment, a desktop icon is clicked by two times, a data conversion and transmission system is entered, a window 0 is selected (darkened), a file is clicked, an operation environment is selected, and data can be transmitted to a central control room at the moment.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a realize online near-infrared analyzer of many indexs simultaneous detection, includes host computer explosion-proof housing (1) to one side fixedly connected with explosion-proof cover (2) of host computer explosion-proof housing (1), its characterized in that: the device comprises a host explosion-proof shell (1), a connecting flange (3) is fixedly connected to the other side of the host explosion-proof shell (1), a cooling channel (4) is fixedly connected to one side of the connecting flange (3), a purging optical probe (5) is fixedly connected to one side of the cooling channel (4), a pressure balance valve (6) is fixedly connected to the bottom of the host explosion-proof shell (1), a direct-current power supply line (7) and a signal transmission communication line (8) are fixedly connected to the bottom of the host explosion-proof shell (1), a material detection chamber (9) is fixedly connected to the right side of the bottom of the host explosion-proof shell (1), a sample sampling marking line (10) is arranged on the surface of the material detection chamber (9), and a compressed air inlet (11) is formed in the bottom of the host explosion-proof shell (1) and; a lens cleaning and purging port (12) is formed in the middle of the inner wall of the material detection chamber (9), and a first sample purging port (13) and a second sample purging port (14) are respectively formed in the inner wall of the material detection chamber (9) and located on two sides of the lens cleaning and purging port (12); the sampling interval of the online near-infrared analyzer is more than the purging duration; a sapphire window (15) is fixedly connected to one side, connected with the purging optical probe (5), of the cooling channel (4), and a spectrometer host (16) is fixedly connected to one side, located on the sapphire window (15), of the interior of the cooling channel (4); the right side of the spectrometer host (16) is fixedly connected with a temperature control channel (17), the temperature control channel (17) is positioned in the temperature reduction channel (4), and one side of the temperature control channel (17) is fixedly connected with a temperature control system (18); one side of the temperature control system (18) penetrates through the host explosion-proof shell (1) and extends into the host explosion-proof shell, and one side of the temperature control system (18) extending into the host explosion-proof shell (1) is fixedly connected with a logic main control board (19); and when the temperature is higher than the upper temperature limit in the operation process of the online near-infrared analyzer, the cooling operation is started, and when the temperature is lower than the lower temperature limit in the operation process of the online near-infrared analyzer, the cooling operation is stopped.
2. The on-line near infrared analyzer for realizing simultaneous detection of multiple indexes according to claim 1, characterized in that: one side of the inner wall of the host explosion-proof shell (1) is fixedly connected with a circuit board support frame (20), and the other side of the inner wall of the host explosion-proof shell (1) is fixedly connected with an embedded PC master control (21).
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| CN103852438A (en) * | 2014-03-25 | 2014-06-11 | 南京霍普斯科技有限公司 | Online solid waste incineration treatment analysis system |
| CN203908940U (en) * | 2014-06-12 | 2014-10-29 | 上海申渭电子科技有限公司 | Explosion-proof infrared gas sensor |
| CN105334184A (en) * | 2014-08-15 | 2016-02-17 | 富强 | On-line near-infrared spectrum analyzer |
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