CN217006984U - Moisture detector based on near infrared spectrum analysis technology - Google Patents
Moisture detector based on near infrared spectrum analysis technology Download PDFInfo
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- CN217006984U CN217006984U CN202220418633.4U CN202220418633U CN217006984U CN 217006984 U CN217006984 U CN 217006984U CN 202220418633 U CN202220418633 U CN 202220418633U CN 217006984 U CN217006984 U CN 217006984U
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Abstract
The utility model relates to the technical field of moisture detectors, in particular to a moisture detector based on a near infrared spectrum analysis technology, which comprises a moisture online detector and a remote control end, wherein the moisture online detector is arranged at a sample pipeline and used for detecting moisture of a sample, and the moisture online detector comprises a shell, and a probe assembly, a light source module, a light splitting module, a miniature industrial personal computer, a display module and a communication module which are arranged in the shell; the probe assembly is connected with the light splitting module and the light source module through optical fibers, and the light splitting module is electrically connected with the miniature industrial personal computer; the miniature industrial personal computer is electrically connected with the display module; the miniature industrial personal computer is in communication connection with the remote control end through a communication module, and the communication module is provided with a plurality of communication interfaces. The utility model detects the moisture value of the sample in real time, and sends the moisture value to the remote control end through various signal transmission modes, and assists the operator to master the moisture detection condition of the sample to be detected in real time, thereby being capable of processing the sample to be detected in time and improving the efficiency of the moisture detection of the sample.
Description
Technical Field
The utility model relates to the technical field of moisture detectors, in particular to a moisture detector based on a near infrared spectrum analysis technology.
Background
Near-infrared light refers to electromagnetic waves with wavelengths between 780-2500 nm. Various electromagnetic waves have certain energy, and various substances have the capacity of selectively absorbing the energy of the electromagnetic waves, in other words, one molecule can only absorb electromagnetic waves with certain wavelength or wavelengths, but does not absorb electromagnetic waves with other wavelengths.
The NIR moisture meter operates on the principle that water molecules absorb near infrared light of certain wavelengths particularly strongly. Research shows that water has three characteristic absorption peaks in the near infrared Han region, namely 1430nm, 1940nm and 2950nm, water molecules absorb very strongly to near infrared light near 1430nm and near 1940nm, and if a substance to be measured is irradiated with near infrared light of these two wavelengths, the moisture content of the substance can be measured by measuring the degree of attenuation of transmitted light or reflected light.
The detection result of the near infrared spectrum moisture meter in the prior art can not be used for carrying out data analysis and sending to corresponding operators in time through the platform, and the operators can not acquire the moisture value of a sample to be detected in real time on line, so that the timely processing capacity of the operators on the product to be detected is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a moisture detector based on a near infrared spectrum analysis technology, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a moisture detector based on near infrared spectrum analysis technology comprises a moisture online detector and a remote control end, wherein the moisture online detector is arranged at a sample pipeline and is used for detecting moisture of a sample, and the moisture online detector comprises a shell, and a probe assembly, a light splitting module, a miniature industrial personal computer, a communication module and a display module which are arranged in the shell; the probe assembly passes through optic fibre with beam split module and light source module are connected, beam split module with miniature industrial computer electric connection, wherein:
the probe assembly is used for irradiating light on a sample to be measured, receiving reflected light or transmitted light of a measured object and sending light signals of the reflected light and the transmitted light to the light splitting module;
the light splitting module is used for receiving the optical signal sent by the probe assembly, forming a spectrum by dispersion after splitting the optical signal and sending the spectrum to the miniature industrial personal computer;
the micro industrial personal computer is used for receiving the spectral data sent by the light splitting module and calculating the moisture content in the tested sample through the prediction model;
the miniature industrial personal computer is in communication connection with the remote control end through a communication module, and the communication module is provided with a plurality of communication interfaces.
As a further scheme of the utility model: the wavelength observation range of the detector is 900-1700nm, the spectrum acquired by the light splitting module is sent to the miniature industrial personal computer, and the miniature industrial personal computer calculates the moisture content in the detected sample according to the absorption degree of the spectral line.
As a further scheme of the utility model: the communication interface set by the communication module comprises a 4-20mA interface and a Modbus interface.
As a still further scheme of the utility model: the communication interface arranged on the detector also comprises a network cable interface.
As a still further scheme of the utility model: still be equipped with display module in the casing, display module is the display screen of installing on the casing, the display screen with miniature industrial computer electric connection.
As a still further scheme of the utility model: the inside of casing still is equipped with power module, power module and light source, spectral module, miniature industrial computer, communication module and display module electric connection.
As a still further scheme of the utility model: the shell is further provided with an interface component, the interface component comprises a power supply port and a power switch, and the power supply port and the power switch are electrically connected with the power module.
As a still further scheme of the utility model: the optical fiber probe is arranged on the shell, the optical fiber probe and the shell can adopt a split design according to actual use requirements, and a joint of the optical fiber probe and the shell adopts an optical fiber joint with high air tightness, so that explosive gas is prevented from entering the shell.
As a still further scheme of the utility model: the optical fiber probe is a flow cell probe or an immersion probe.
Compared with the prior art, the utility model has the beneficial effects that: the moisture online detector is arranged at the sample pipeline and comprises a shell, and a probe assembly, a light splitting module, a light source module, a miniature industrial personal computer, a communication module and a display module which are arranged in the shell, the moisture value of a sample is detected in real time, the moisture value is displayed on site in real time, the moisture value is conveniently detected by site personnel in real time, and the moisture value is sent to a remote control end through various signal transmission modes to assist the operator to master the moisture detection condition of the sample to be detected in real time, so that the sample to be detected can be processed in time, the moisture detection efficiency of the sample is improved, and the detector adopts an explosion-proof design and can be placed on the production line site.
Drawings
FIG. 1 is a block diagram of a moisture detector based on near infrared spectroscopy.
FIG. 2 is a schematic diagram of a housing of the moisture detector based on near infrared spectroscopy.
In the figure: the device comprises a shell 1, a display 2, an interface 3, a Modbus interface 301, a Modbus interface 302-4-20mA interface, a debugging port 303, a power supply port 304, a power switch 305, a fiber-optic probe 4 and a remote control end 5.
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.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1-2, in an embodiment of the present invention, a moisture detector based on near infrared spectroscopy includes an online moisture detector disposed at a sample pipeline for detecting moisture of a sample, and a remote control terminal 5, where the online moisture detector includes a housing 1, and a probe assembly, a light splitting module, a micro industrial personal computer, a communication module, and a display module that are mounted in the housing 1; the probe assembly passes through optic fibre with beam split module connects, beam split module with miniature industrial computer electric connection, wherein:
the probe assembly is used for irradiating the wide-spectrum light emitted by the light source module on a sample to be measured, receiving reflected light or transmitted light of an object to be measured, and sending light signals of the reflected light and the transmitted light to the light splitting module through an optical fiber;
the light splitting module is used for receiving the optical signal sent by the probe assembly, forming a spectrum by dispersion after splitting the optical signal and sending the spectrum to the micro industrial personal computer;
and the miniature industrial personal computer is used for receiving the spectral signal sent by the light splitting module, analyzing the absorption degree of the spectral signal and calculating the moisture content in the detected sample according to the prediction model.
It should be noted that the light source module emits broad-spectrum light, which covers visible light and near-infrared light; the wavelength range observed by the light splitting module is 900-1700nm, namely near infrared light, the spectral data of the waveband are sent to the miniature industrial personal computer, and the miniature industrial personal computer calculates the moisture content in the detected sample according to the prediction model.
In the embodiment of the utility model, the miniature industrial personal computer is in communication connection with the remote control terminal 5 through a communication module, the communication module is provided with a plurality of communication interfaces, preferably, in the embodiment of the utility model, the communication interfaces arranged on the communication module comprise a 4-20mA interface 302 and a Modbus interface 301;
it is understood that, in the embodiment of the present invention, a light source connected to the probe assembly is further provided in the housing 1 for providing a light signal to the probe assembly;
further, in the embodiment of the utility model, a display module is further arranged in the shell 1, the display module is a display screen 2 arranged on the shell 1, the display screen 2 is electrically connected with the micro industrial personal computer, and the micro industrial personal computer performs on-site display after calculating the moisture content in the sample to be detected;
certainly, in order to ensure the normal use of the moisture online detector, a power module is further arranged inside the shell 1, the power module is electrically connected with the light source, the light splitting module, the miniature industrial personal computer, the communication module and the display module to supply power to the components, and the power module can be a storage battery structure or a power adapter structure;
in another embodiment of the present invention, an interface component 3 is further disposed on the housing 1, the interface component 3 includes a power supply port 304 and a power switch 305, and the power supply port 304 and the power switch 305 are electrically connected to the power module and are used for connecting and supplying power to the power module and controlling the start and stop of the power module;
In another embodiment of the present invention, the probe assembly is the optical fiber probe 4 installed on the housing 1, according to the actual use requirement, the optical fiber probe 4 and the housing 1 can adopt a split design, and the joint of the optical fiber probe 4 and the housing 1 adopts an optical fiber joint with high air tightness, so as to prevent explosive gas from entering the housing 1;
further, fiber optic probe 4 is flow cell probe or immersion probe, and the flow cell probe is convenient for maintain, realizes the device change under the condition that need not produce the line shutdown, but flow cell both sides all have optic fibre, and occupation space is slightly big, immersion probe windowing on current pipeline basis transform can, the unilateral has optic fibre, saves space, but need change the probe in producing the time window of line shutdown, the chooseing for use of two kinds of probes should be according to actual production needs.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A moisture detector based on near infrared spectroscopy is characterized by comprising a moisture online detector and a remote control end (5), wherein the moisture online detector is arranged at a sample pipeline and is used for detecting moisture of a sample, and the moisture online detector comprises a shell (1), and a probe assembly, a light source module, a light splitting module, a miniature industrial personal computer, a display module and a communication module which are arranged in the shell (1); the probe assembly is connected with the light splitting module and the light source module through optical fibers, and the light splitting module is electrically connected with the miniature industrial personal computer; the miniature industrial personal computer is electrically connected with the display module; the miniature industrial personal computer is in communication connection with the remote control end (5) through a communication module, and the communication module is provided with a plurality of communication interfaces.
2. The moisture detector based on near infrared spectroscopy according to claim 1, wherein the communication module is provided with communication interfaces including but not limited to a 4-20mA interface (302) and a Modbus interface (301).
3. The moisture detector according to claim 2, wherein the communication interface of the communication module further comprises a network cable interface.
4. The moisture detector based on near infrared spectroscopy of claim 1, characterized in that the housing (1) further comprises a light source connected to the probe assembly.
5. The moisture detector based on the near infrared spectroscopy analysis technology as claimed in claim 1, wherein a display module is further arranged in the housing (1), the display module is a display screen (2) mounted on the housing (1), and the display screen (2) is electrically connected with the miniature industrial personal computer.
6. The moisture detector based on the near infrared spectroscopy analysis technology as claimed in claim 1, wherein a power module is further arranged inside the housing (1), and the power module is electrically connected with the light source, the light splitting module, the micro industrial personal computer, the communication module and the display module; still be equipped with interface unit (3) on casing (1), interface unit (3) are including power supply port (304) and switch (305), power supply port (304) and switch (305) with power module electric connection.
7. The moisture detector based on the near infrared spectroscopy analysis technology according to any one of claims 1 to 6, wherein the probe assembly is an optical fiber probe (4) mounted on the housing (1), the optical fiber probe (4) and the housing (1) are designed in a split manner, and an optical fiber joint with high air tightness is adopted at a joint of the optical fiber probe (4) and the housing (1).
8. Moisture detector according to claim 7, characterized in that the fiber optic probe (4) is a flow cell probe or an immersion probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220418633.4U CN217006984U (en) | 2022-02-25 | 2022-02-25 | Moisture detector based on near infrared spectrum analysis technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220418633.4U CN217006984U (en) | 2022-02-25 | 2022-02-25 | Moisture detector based on near infrared spectrum analysis technology |
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| Publication Number | Publication Date |
|---|---|
| CN217006984U true CN217006984U (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220418633.4U Active CN217006984U (en) | 2022-02-25 | 2022-02-25 | Moisture detector based on near infrared spectrum analysis technology |
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| CN (1) | CN217006984U (en) |
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- 2022-02-25 CN CN202220418633.4U patent/CN217006984U/en active Active
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