Multifunctional online detection analyzer and detection analysis methodTechnical Field
The invention relates to the field of detection and analysis instruments, in particular to a multifunctional online detection and analysis instrument and a detection and analysis method.
Background
In the prior art, the measurement of refractive index in a detection analyzer can reflect the total content of dissolved substances, but has limitation on the measurement of the content of insoluble active ingredients in liquid, especially on various components, and solution measurement without correlation among the components; the light absorption measurement method judges the content of the total effective components of the liquid through the light absorption rate, but different substances have larger difference on the light absorption rate, and the method is often used for measuring the content of specific components or the total content of a solid-liquid mixture in a multi-component solution, but the measurement has great influence on measurement results due to the different absorption rates and has great limitation in practical application; if two kinds of instruments are adopted to measure simultaneously, the problems are that the instrument cost is high, two instruments are needed, the installation cost is high, two times of installation are needed, and the occupied positions are large, because in the proper process conditions, the long-term stable operation of the online analysis instrument is very important, in the process, the very proper positions are not too many, therefore, the proper installation position resources are also limited, different instruments only output the measurement results of the instruments, the corresponding compensation calculation process needs the user to calculate in the control system of the user, the additional cost is increased, the output result of the instruments is the final calculation result and is not the original signal, a plurality of compensation calculations are often carried out in the calculation process, the output result cannot reflect the real-time condition of the measurement medium, and the compensation calculation methods of the different instruments have large differences, so that the calculation in the control system can cause large deviation by utilizing the final output result of the instruments;
in industrial production, the reaction danger of a plurality of chemical substances is high, if the chemical substances cannot be detected and analyzed in time, the problems of safe production, product quality and ecological environment are caused by the excessively high or excessively low content of the single substances, so that the invention aims at solving the problems in the prior art, and improves the detector in the prior art.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, two kinds of principle instruments are concentrated in that products cannot detect materials on line at the same time, and the safety production problem, the product quality problem and the ecological environment are caused by the fact that the products cannot be detected on line, and provides a multifunctional on-line detection analyzer, and secondly, the detector is convenient to adjust and maintain when being suitable for detection and analysis of different materials, so that the quality and the efficiency of detection and analysis are improved.
The invention provides a multifunctional on-line detection analyzer which comprises a shell, a PCB, a CCD, a processor, a temperature sensor, a detector, a lighting assembly and a lighting adjusting mechanism, wherein the shell is arranged on a pipeline, the PCB is arranged in the shell, the CCD, the processor and the temperature sensor are connected with the PCB, the detector is arranged on the pipeline and used for transmitting detection results to the processor, and the lighting assembly and the lighting adjusting mechanism are arranged in the shell.
Further, the lighting total components are a reflection lighting mechanism and a transmission lighting mechanism.
Further, the reflection lighting mechanism and the transmission lighting mechanism respectively comprise a light source arranged on the PCB, a lighting lens and a prism arranged on the shell, and a lighting adjusting mechanism matched with the light source and the lighting lens.
Further, the lighting adjusting mechanism is divided into a manual adjusting mechanism and an automatic adjusting mechanism.
Preferably, the manual adjusting mechanism comprises a bracket, a lens sleeve in threaded connection with the bracket, an adjusting groove arranged on the lens sleeve and an adjusting tool inserted in the adjusting groove.
Preferably, the automatic adjusting mechanism comprises a micro motor, a transmission gear arranged on the micro motor and a reduction gear meshed with the transmission gear.
Preferably, the transmission lighting mechanism further comprises a light guide sleeve arranged on the light collecting lens, a light source of the transmission lighting mechanism is a laser emitting tube, and an adjusting gear for adjusting laser is arranged on the laser emitting tube.
Further, the shell divide into lower casing and end cover, be equipped with bolted connection hole on lower casing and the end cover, be equipped with insulating terminal and sealing washer between lower casing and the end cover, still be equipped with the temperature sensor cavity on the lower casing.
A detection analysis method of a multifunctional online detection analyzer is characterized by comprising the following steps:
a) The refraction analysis, namely enabling a light source to penetrate through a lighting lens, shooting the light source on a prism, reflecting the light source into another lighting lens through the prism, collecting reflected light source signals through a CCD, transmitting the collected light source signals to a processor through the CCD for analysis, calculating the refractive index through analyzing the obtained light source signals, and obtaining the content of dissolved substances through calculating the refractive index;
b) The transmission analysis comprises the steps of emitting laser by a laser emitting tube, condensing the laser by a light guide sleeve, enabling the laser to pass through materials in a pipeline by a lighting lens and a prism, enabling the laser to be shot on a detector, detecting and analyzing the detector after obtaining signals, obtaining light transmittance by analyzing light source signals attenuated when the laser passes through the materials in the pipeline, obtaining the content of solid materials in the pipeline by calculating light absorbance, calculating the content of dissolved materials and the content of solid materials by calculating refractive index and light absorbance, and obtaining the content of other materials by subtracting the content of the dissolved materials and the content of the solid materials from the total amount.
The invention has the beneficial effects that the problems of simultaneous on-line detection of two principle instruments are realized by combining the reflection lighting mechanism and the transmission lighting mechanism together and matching with the processor, and the problems of safe production, product quality and ecological environment caused by the too high or too low content of single substances are avoided.
Through adjustment mechanism to when conveniently carrying out the detection analysis of different materials, can adjust the distance of daylighting camera lens with light source and prism, thereby avoid adapting to the requirement of different materials to different light, and then can further improve the quality and the efficiency of detection analysis.
The light source is emitted by the laser emission tube in the transmission lighting mechanism, so that the problem that the light source needs to be converted into parallel light by the conversion mechanism in the prior art is solved, the problem that the light source is attenuated in conversion to cause inaccurate detection is avoided, the assembly space and the manufacturing cost of the light source conversion mechanism in the detection analyzer are further reduced, and the size of the emission light source can be adjusted by the laser emission tube so as to adapt to different types of materials.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of the overall structure of embodiment 1 of the present invention;
FIG. 3 is a schematic view of a PCB structure of the present invention;
FIG. 4 is a schematic structural view of embodiment 2 of the present invention
FIG. 5 is a schematic view of the manual adjustment mechanism of the present invention;
FIG. 6 is a schematic view of a lighting lens structure of a reflective lighting mechanism according to the present invention;
FIG. 7 is a schematic view of a lighting lens structure of a transmission lighting mechanism of the invention;
FIG. 8 is a schematic structural view of embodiment 3 of the present invention;
FIG. 9 is a schematic view showing the overall structure of embodiment 3 of the present invention;
fig. 10 is a schematic view of the automatic adjustment mechanism of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings and examples which are given by way of illustration of the invention, but are not intended to limit the scope of the invention.
Example 1
Referring to fig. 1 to 3, the multifunctional on-line detection analyzer comprises a shell 1, a Printed Circuit Board (PCB) 2, a Charge Coupled Device (CCD) 201, a processor 202, a temperature sensor 203, a detector 204, a lighting assembly 3, a reflection lighting mechanism 301 and a transmission lighting mechanism 302, wherein the shell 1 is arranged on a pipeline, the PCB2 is arranged in the shell, the CCD201, the processor 202, the temperature sensor 203 and the detector 204 are arranged on the pipeline and used for transmitting detection results to the processor, the lighting assembly 3 is arranged in the shell 1, the lighting assembly 3 is divided into the reflection lighting mechanism 301 and the transmission lighting mechanism 302, and the reflection lighting mechanism 301 and the transmission lighting mechanism 302 respectively comprise a light source 303, a lighting lens 304 and a prism 305 which are arranged on the shell 1, and the light source 303.
The shell 1 is divided into a lower shell 101 and an end cover 102, bolt connecting holes 103 are formed in the lower shell 101 and the end cover 102, an insulating terminal 104 and a sealing ring 105 are arranged between the lower shell 101 and the end cover 102, the insulator is sleeved on an upper insulator on the end cover 102 and a lower insulator on the lower shell 101 respectively, the sealing rings are arranged on two sides between the lower shell 101 and the end cover 102 to play a sealing role and play a role in insulating the two sides of a PCB board and an outer shell, a temperature sensor 203 on the PCB board is inserted into a temperature sensor cavity 106 on the lower shell to measure temperature, so that refractive indexes and light absorption at different temperatures are conveniently calculated, and the temperature of detected materials is stable at all times.
When the detector is used for detection, a light source passes through a lighting lens and irradiates on a prism, the light source is reflected into another lighting lens through the prism, a light source signal after reflection is acquired through a CCD, the CCD transmits the acquired light source signal to a processor for analysis, the refractive index is calculated through the light source signal obtained through analysis, the content of a dissolved substance A is obtained through calculation of the refractive index, the transmission analysis comprises the steps of emitting laser light through a laser emitting tube, converging the laser light through a light guide sleeve, passing through materials in a pipeline through the lighting lens and the prism, irradiating the laser light on a detector, detecting and analyzing the laser light after the detector obtains a signal, obtaining light transmittance through analysis of the light source signal attenuated when the laser light passes through the materials in the pipeline, obtaining the content of a solid material B in the pipeline, calculating the content of the dissolved substance A and the content of the solid material B through calculation of the refractive index and the light transmittance, and subtracting the content of the dissolved substance and the content of the solid material to obtain the content of the substance C.
Example 2
Referring to fig. 3 to 7, compared with embodiment 1, the present embodiment is different from the manual lighting adjusting mechanism provided on the reflective lighting mechanism, the manual adjusting mechanism includes a bracket 403, a lighting lens sleeve 404 provided with a lighting lens and screwed with the bracket 403, an adjusting groove 405 provided on the lighting lens sleeve 404, and an adjusting tool 406 inserted in the adjusting groove 405, wherein the adjusting tool 406 is inserted into the adjusting groove 405 provided on the lighting lens sleeve 404, the lens sleeve is placed in the bracket 403, and then the adjusting tool is screwed to drive the lighting lens sleeve 404 provided with the lighting lens to adjust the optimal distance between the lighting lens sleeve 404 and the light source and the prism, thereby ensuring more accurate detection results.
Example 3
Referring to fig. 3 and fig. 4 to 10, compared with embodiment 2, the difference is that an automatic light source adjusting mechanism is added in the transmission lighting mechanism, the automatic adjusting mechanism 402 comprises a micro motor 407 connected with a PCB board through a wire and installed on a fixed post, a transmission gear 408 installed on the micro motor 407, and a reduction gear 409 meshed with the transmission gear 408, the reduction gear is fixedly connected with the reduction gear fixed post through a rotating shaft, the transmission lighting mechanism 302 further comprises a light guide sleeve 306 installed on a lighting lens 304, the light source of the transmission lighting mechanism 302 is a laser emitting tube 307, an adjusting gear 308 for adjusting laser is arranged on the laser emitting tube 307, the light guide sleeve is used for protecting a laser beam to prevent the laser beam from diffusing to influence the detection effect, the automatic adjusting mechanism is used for adjusting the beam size of the laser emitted by the laser emitting tube, specifically, the transmission gear is driven to rotate by controlling the micro motor, the transmission gear drives the reduction gear on the reduction gear fixed post to rotate, and the reduction gear is meshed with the adjusting gear for adjusting the size of the laser beam, so that the reduction gear drives the search gear to rotate, thereby adjusting the size of the search gear, and the laser beam is more suitable for detecting materials with more widely used for detecting the laser beam.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.