CN210243482U - Full-spectrum water quality on-line monitoring device - Google Patents

Abstract

The utility model discloses a full spectrum water quality on-line monitoring device, which comprises a monitoring control host, a data display unit, a data output unit, a control unit, a data processing unit, a light source unit, a labeling calibration unit and an analysis unit; the sensing probe is electrically connected with the monitoring control host and comprises a probe body, an analysis chamber and a reflection unit, wherein a spectroscope is arranged in the probe body, a plurality of perspective mirrors are arranged at the transition position of the probe body and the analysis chamber, a plurality of arc-shaped reflectors are arranged at the transition position of the analysis chamber and the reflection unit, and a temperature sensor is arranged in the analysis chamber. The utility model discloses a light source is external in monitoring control host computer, adopts and deuterium lamp light source, produces ultraviolet, visible and advance infrared broadband spectrum to can carry out light source ability control, realize the high accuracy monitoring analysis of many monitoring objects; the arc-shaped reflector is adopted, so that the spectrum is reflected and absorbed for multiple times in the analysis chamber, the absorption optical path is increased, and the analysis resolution of the device is improved.

Description

Full-spectrum water quality on-line monitoring device

Technical Field

The utility model belongs to the technical field of water quality monitoring, especially, relate to a full gloss register for easy reference quality of water on-line monitoring device.

Background

Water pollution monitoring is one of important works of environmental management, the traditional water quality monitoring is basically single-factor monitoring through a chromogenic chemical reaction method, and a single set of system has high price and has the problems of secondary pollution of waste liquid and the like; the full-spectrum water quality on-line monitoring device carries out real-time and rapid monitoring on characteristic spectrum absorption based on pollution factors in water quality, can simultaneously monitor COD, temperature, TOC, BOD, O3, ORP, turbidity, organic matters (benzene), nitrate nitrogen, chromaticity and other pollutant parameters of various types, does not generate secondary pollution discharge, and obtains all kinds of monitoring data and can upload the monitoring data to an environment supervision department through a data output module.

However, the spectrum of the existing full-spectrum water quality analysis equipment is usually directly integrated in a sensing probe, and the spectral line broadband of the spectrum is narrow, the spectral capacity is low and is not adjustable, so that the problems of less monitoring content, low precision and the like are caused; secondly, the sensing probe of the existing equipment adopts single optical path transmission spectrum absorption analysis, and the optical path of the spectrum absorption is small, so that the analysis precision of the equipment is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide one kind and can carry out light source ability control, full gloss register for easy reference quality of water on-line monitoring device that the monitoring precision is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a full spectrum water quality on-line monitoring device comprises

The monitoring control host comprises a data display unit, a data output unit, a control unit, a data processing unit, a light source unit, a labeling calibration unit and an analysis unit;

the sensing probe is electrically connected with the monitoring control host and comprises a probe body, an analysis chamber and a reflection unit, wherein a spectroscope is arranged in the probe body, a plurality of perspective mirrors are arranged at the transition position of the probe body and the analysis chamber, a plurality of arc-shaped reflectors are arranged at the transition position of the analysis chamber and the reflection unit, and a temperature sensor is arranged in the analysis chamber.

The utility model discloses a light source is external in monitoring control host computer, adopts and deuterium lamp light source, produces ultraviolet, visible and advance infrared broadband spectrum to can carry out light source ability control, realize the high accuracy monitoring analysis of many monitoring objects; the arc-shaped reflector is adopted, so that the spectrum is reflected and absorbed for multiple times in the analysis chamber, the absorption optical path is increased, and the analysis resolution of the device is improved; by combining a difference algorithm and a neural network algorithm, separation of different spectral absorption dimensions and data masking of absorption of substances with cross interference are performed, and accurate analysis of monitoring substances with different spectral absorption orders and regions is realized; the zero calibration of the spectral analysis device is realized through the spectroscope, and the standard liquid calibration of the device monitoring sample is carried out through the standard adding calibration device, so that the field online calibration of the device is realized, and the monitoring accuracy of the device is ensured; the combination of the spectrum analysis structure in the sensing probe and the structure of the electric sensor can realize the combination of spectrum sensing, temperature sensing and conductivity sensing for various types of monitoring and analysis; meanwhile, the data interface unit of the monitoring and controlling host can perform data access of other external sensors, and the diversified analysis function of the full-spectrum water quality on-line monitoring device is further realized.

The light source unit is a deuterium lamp.

The source spectrum of the light source unit is comparably separated into a reflection spectrum and a transmission spectrum through a spectroscope, the reflection spectrum is directly transmitted to the analysis unit as a zero spectrum, source data are provided for the data processing unit, and zero data are provided for the standard adding calibration unit; the transmission spectrum enters a sample absorption area to obtain a sample absorption spectrum, the sample absorption spectrum enters a standard adding calibration unit, and then the transmission spectrum enters an analysis unit; spectral absorption is improved through multipath reflection, and therefore analysis accuracy is improved.

The analysis unit comprises a spectrum analyzer, a support frame arranged at the lower part of the spectrum analyzer, a connecting piece used for connecting the spectrum analyzer and the support frame, a plurality of supporting feet arranged in the support frame and an adjusting device used for horizontally adjusting the spectrum analyzer; the supporting feet are connected with the supporting frame through fixing parts; carry out horizontal position adjustment through adjusting device to the spectral analysis appearance for above-mentioned device is when outdoor use, even the ground unevenness of external environment, the spectral analysis appearance also can be in throughout and guarantee that self is in the horizontality, makes the result that finally detects out more accurate.

The spectrum analyzer comprises a shell, a light through hole formed in the shell, a slit piece, a focusing mirror, a grating, a collimating mirror, a detection cavity and a detector arranged in the detection cavity, wherein the slit piece, the focusing mirror, the grating, the collimating mirror and the detector are arranged in the detection cavity, the spectrum enters the shell through the light through hole, then is projected onto the collimating mirror after passing through the slit piece, then is projected onto the grating through the collimating mirror, then is projected onto the focusing mirror through the grating, and then is projected onto the detector through the focusing mirror.

The heat dissipation device is characterized in that a heat dissipation cavity is arranged in the shell, a heat dissipation part is arranged in the heat dissipation cavity, a heat dissipation opening is formed in the side wall of the heat dissipation cavity, and a heat dissipation cover is connected to the heat dissipation opening.

The supporting feet comprise lower supporting feet, upper supporting feet which can move up and down and penetrate through the lower supporting feet, sealing pieces which are arranged on the lower supporting feet and are in sealing fit with the upper supporting feet, spherical pieces arranged on the upper supporting feet and roller pieces arranged at the lower parts of the lower supporting feet; the lower surface of the shell is provided with a universal joint matched with the spherical piece, and the universal joint is provided with a spherical cavity for placing the spherical piece; the spherical piece and the spherical cavity can rotate 360 degrees, so that the upper parts of the supporting feet and the shell can be adjusted in multiple directions, and the optical spectrum analyzer can still move to a horizontal state under the condition that the heights of the four supporting feet are different; the arrangement of the rollers facilitates the movement of the equipment, and the transportation and the carrying process are more convenient.

The adjusting device comprises a liquid cavity arranged in the lower supporting leg, a colored medium arranged in the liquid cavity, an observation flange arranged at the lower part of the lower supporting leg, an air outlet part arranged on the lower supporting leg, a sealing cover screwed with the air outlet part and a driving part for driving the upper supporting leg to move up and down; an observation opening is arranged on the support frame corresponding to the lower support leg, and an observation window made of transparent material is arranged on the observation opening; at least part of the lower supporting foot is of a transparent structure; when the ground surface is uneven, the liquid levels in the supporting feet mutually circulate to the positions that the liquid levels of the 4 supporting feet are all positioned at the same horizontal line, under the condition, the colored medium can overflow the lower part of the lower supporting foot at the lower side, at the moment, the position of the upper supporting foot only needs to be adjusted upwards, so that the upper parts of the 4 supporting feet are completely positioned at the same horizontal plane after the lower part of the upper supporting foot is completely flush with the upper surface of the colored medium, and further, the horizontal balance of the shell is realized; the liquid cavity is directly arranged in the supporting foot, so that the in-place situation can be focused in real time while the adjustment is carried out, the adjustment is not required to be carried out for many times in the later period, the single-person operation can be realized, the operation is simple and convenient, the working efficiency is high, and the adjustment is accurate; the lower supporting leg is provided with an air outlet part, so that the liquid cavity is in a state of being communicated with the outside; due to the observation of the existence of the gap between the flange and the inner wall of the liquid cavity, the water body can freely flow over the lower supporting legs, so that the liquid in the four supporting legs can be automatically adjusted to be in a state that the upper surfaces are flush with each other under the action of water level difference, the shell is ensured to be in a completely horizontal state after the later supporting legs are adjusted, and the accuracy of spectral analysis is further improved; a sealing element is arranged between the upper supporting leg and the lower supporting leg, and a sealing cover is also arranged on the air outlet part, so that water in the liquid cavity can be prevented from leaking outwards in the transportation process; and when in normal use, the sealing cover is removed, so as to ensure that the liquid cavity is always communicated with the outside.

The observation flange is an annular bulge formed by directly extending outwards from the lower part of the lower supporting foot, and a gap is formed between the outer side wall of the observation flange and the inner wall of the liquid cavity; the colored medium is the water that mixes the pigment, the spike sets up to 4, and the liquid chamber between 4 spikes communicates through the connecting pipe each other.

The driving part comprises a connecting port arranged on the supporting frame, a mounting seat which is arranged in the connecting port in a penetrating way and is detachably connected with the supporting frame through a screw, an inserting hole which is arranged on the mounting seat and is used for an upper supporting foot to pass through, an external screw thread arranged on the outer wall of the upper supporting foot, a first operation cavity, a second operation cavity, a third operation cavity, a gear ring which is rotatably arranged in the first operation cavity, a gear piece which is rotatably arranged in the second operation cavity, a speed reducing piece which is arranged in the third operation cavity and a driving piece which penetrates out of the mounting seat, wherein the first operation cavity, the second operation cavity and the third operation cavity are mutually communicated, and the first operation cavity is communicated with the inserting hole; the inner wall of the gear ring is provided with an internal thread matched with the external thread of the upper supporting leg, the gear piece is meshed with the gear ring, and the speed reducing piece is meshed with the gear piece; under the structure, the driving piece is rotated by a tool outside to realize the up-and-down movement of the upper supporting leg, and the length of the supporting leg is conveniently adjusted; moreover, as the speed reduction structure is adopted, the operation of rotating the driving piece is more labor-saving, and manual adjustment can be realized; and because the effect of speed reduction for the driving piece rotates and to the influence degree that the spike shifts up and reduce, and the single distance that the spike moved that to say will be less, makes the position adjustment more accurate, and the horizontal balance degree of final adjustment back analysis appearance is higher, and is more accurate to the analysis of spectrum.

The fixing part comprises two positioning plates fixedly arranged on the inner wall of the support frame, a positioning space formed between the two positioning plates and used for placing a lower supporting foot, and a screw arranged on the fixing plate and connected with the lower supporting foot; the bracket and the support frame are mutually matched through the fixing part, so that the four supporting feet can be mutually independently adjusted, and the analyzer can be stably supported without the help of a supporting rod connected in the middle; the mode of screw fixation is adopted, the assembly is convenient, and the processing is simple and easy.

The deuterium lamp comprises a lamp body, a plurality of threaded holes formed in the lamp body, a plurality of screws respectively arranged in the threaded holes, and a safety dismounting device for realizing synchronous dismounting of the plurality of screws; with the structure, a plurality of screws can be simultaneously disassembled and assembled, so that the disassembling and assembling time is effectively saved, and the mounting efficiency is high; and in the dismounting process, the possibility of touching or smashing the lamp body is reduced, and the service life of the equipment is prolonged.

The safety dismounting device comprises an annular body, a plurality of through holes which are arranged on the body and correspond to a plurality of threaded holes respectively, a plurality of annular accommodating cavities which are arranged in the body, a rotating piece which is arranged in the annular accommodating cavities, an annular groove which is arranged in the body and communicated with the annular accommodating cavities in the direction, a rotating gear ring piece which is arranged in the annular groove, a convex seat which is formed by extending the side part of the body outwards, a column groove which is arranged in the convex seat and communicated with the annular groove, a driving gear which is rotatably arranged in the column groove and a driving screw which is connected with the driving gear; the annular groove is arranged around the through hole, and the inner part of the annular groove is communicated with the through hole; the rotating part and the driving gear are respectively meshed with the rotating gear ring part; under the structure, when the driving screw is rotated by means of a tool, the lower part of the driving screw can drive the driving gear to rotate, the driving gear drives the rotating gear ring piece to rotate, and the rotating gear ring piece drives the rotating piece to rotate, so that a plurality of screws are driven to synchronously move upwards or downwards to realize synchronous disassembly and assembly; the gear transmission mode is adopted, the structure is stable, and the damage is not easy to damage; and the driving screw is arranged on the convex seat, and the convex seat is far away from the glass shell of the lamp body, so that the possibility of damage to the glass shell by tools is further reduced, and the damage rate of the lamp body is reduced.

The utility model discloses the light source is external in monitoring control host computer, adopts and deuterium lamp light source, produces ultraviolet, visible and advances infrared broadband spectrum to can carry out light source ability control, realize the high accuracy monitoring analysis of many monitoring objects; the arc-shaped reflector is adopted, so that the spectrum is reflected and absorbed for multiple times in the analysis chamber, the absorption optical path is increased, and the analysis resolution of the device is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a diagram of the monitoring and controlling host of the present invention.

Fig. 3 is a structural diagram of the sensing probe of the present invention.

Fig. 4 is a light path flow chart of the device of the present invention.

Fig. 5 is a flow chart of the electrical signal of the device of the present invention.

Fig. 6 is a schematic view of the working flow of the calibration device for adding the mark of the present invention.

Fig. 7 is a schematic structural diagram of the analysis unit of the present invention.

Fig. 8 is a top view of the analysis unit of the present invention with the upper cover removed.

Fig. 9 is a front view of fig. 7.

Fig. 10 is a cross-sectional view taken along line B-B of fig. 9.

Fig. 11 is an enlarged view at B in fig. 10.

Fig. 12 is a schematic structural view of the middle arm brace of the present invention.

Fig. 13 is a perspective sectional view of the middle brace of the present invention.

Fig. 14 is a schematic structural diagram of a driving member according to the present invention.

Fig. 15 is a front view of fig. 14.

Fig. 16 is a cross-sectional view taken along line C-C of fig. 15.

Fig. 17 is a schematic structural diagram of the middle light source unit according to the present invention.

Fig. 18 is a front view of fig. 17.

Fig. 19 is a cross-sectional view taken along line D-D of fig. 18.

Detailed Description

As shown in fig. 1-19, a full spectrum online water quality monitoring device comprises a monitoring control host and a sensing probe, wherein as shown in fig. 2, the monitoring control host comprises a data display unit, a data output unit, a control unit, a data processing unit, a light source unit, a labeling calibration unit and an analysis unit; the light source unit is a deuterium lamp, the data display unit is a display, the data output unit is a data line connected with the display, the control unit is a PLC (programmable logic controller), and the data processing unit is a single chip microcomputer; the sensing probe is electrically connected with the monitoring control host, as shown in fig. 3, the sensing probe comprises a probe body 21, an analysis chamber 22 and a reflection unit 23, a spectroscope 24 is arranged in the probe body, a plurality of perspective mirrors 25 are arranged at the transition position of the probe body and the analysis chamber, a plurality of arc-shaped reflecting mirrors 26 are arranged at the transition position of the analysis chamber and the reflection unit, and a temperature sensor 27 is arranged in the analysis chamber; the spectroscope 24, the perspective mirror 25, the arc reflector 26 and the temperature sensor 27 are all in the prior art, and can be purchased directly from the market, and are not described in detail.

As shown in fig. 4, the light source unit generates a source light spectrum of the ultraviolet, visible and infrared broadband light spectrum, the source light spectrum is proportionally separated into a reflection spectrum and a transmission spectrum by a spectroscope (semi-transparent and semi-reflective), the reflection spectrum is directly transmitted to the analysis unit as a zero point spectrum, the data processing unit is provided with source data, and the calibration unit is provided with zero point data; the transmission spectrum enters a sample absorption area to obtain a sample absorption spectrum, the sample absorption spectrum enters a standard adding calibration unit, and then the transmission spectrum enters an analysis unit; after the absorption spectrum of the sample is analyzed, the sample enters a standard solution for standard calibration; the working principle of the labeling calibration unit is shown in fig. 6, the light path switching is performed by a light path switcher, the light path switcher is obtained by direct purchase on the market, and the structure and the principle are not repeated.

As shown in fig. 5, the circuit signals of the monitoring control host include four types of signal flow paths:

1) the spectrum signal sensing flow path-light source information enters a monitoring sample through a light path switcher to obtain an absorption spectrum signal, and the absorption spectrum signal is converted into an electric signal through an analysis unit and is accessed into a data receiving unit;

2) other sensing signal flow paths, other non-spectral sensing signals, such as conductivity, temperature sensing signals and sensor digital signals added from the outside are connected into the data receiving unit;

3) data processing and output, namely aiming at various sensing signals obtained by a data interface, the data processing unit processes the data through a data algorithm model, calculates the concentration data of related pollutants, and provides different modes such as analog quantity (4-20 mA), RS-485, network port and wireless GPRS (general packet radio service) according to the data requirement to output the data to the outside through the data output unit;

4) and data display and control, namely the concentration data of each substance obtained by data processing is stored and displayed through the data display unit, data interaction is carried out on the data display interface, and the switching control of the light source intensity and the zero setting calibration light path is realized through the control unit.

As shown in fig. 7 to 19, the analysis unit comprises a spectrum analyzer, a support frame 12 provided at a lower position of the spectrum analyzer, a connecting member 13 for connecting the spectrum analyzer and the support frame, a plurality of support legs 14 provided in the support frame, and an adjusting device for horizontally adjusting the spectrum analyzer, wherein the support legs 14 are connected to the support frame 12 through fixing members; specifically, the spectrum analyzer comprises a shell 31 made of metal or plastic, a light through hole 32 arranged on the shell, a slit piece 33 arranged in the shell, a focusing mirror 34, a grating 35, a collimating mirror 36, a detection cavity 37 and a detector 38 arranged in the detection cavity, wherein a spectrum enters the shell from the light through hole, then passes through the slit piece and is projected onto the collimating mirror, then is projected onto the grating by the collimating mirror, then is projected onto the focusing mirror by the grating, and then is projected onto the detector by the focusing mirror; a heat dissipation cavity 311 is formed in the housing 31, a heat dissipation member 312 is formed in the heat dissipation cavity, a heat dissipation opening is formed in a side wall of the heat dissipation cavity 311, and a heat dissipation cover 314 is connected to the heat dissipation opening.

The above-mentioned slit member 33 is made of plastic, and is provided with a slit; the focusing mirror 34, the grating 35, the collimating mirror 36 and the detector 38 are all obtained by direct purchase on the market, and the structure and the principle are not described again; heat dissipation member 312 is a commercially available heat dissipation plate, and will not be described in detail.

Further, the arm brace 14 comprises a lower arm brace 141, an upper arm brace 142 vertically movable and penetrating the lower arm brace, a sealing member disposed on the lower arm brace and hermetically engaged with the upper arm brace, a spherical member 143 disposed on the upper arm brace, and a roller member 144 disposed at the lower part of the lower arm brace; the spherical member is formed by directly extending the upper part of the upper arm brace, that is, the spherical member and the arm brace are of an integral structure, the lower surface of the housing 31 is provided with a universal joint 145, the universal joint 145 is made of plastic or metal and is fixedly connected with the housing, and the universal joint 145 is provided with a spherical cavity 146 for placing the spherical member, so that the arm brace and the housing can freely move relative to each other.

The adjusting device comprises a liquid cavity 41 arranged in the lower supporting leg, a colored medium 42 arranged in the liquid cavity, an observation flange 43 arranged at the lower part of the lower supporting leg, an air outlet part 44 arranged on the lower supporting leg, a sealing cover 45 screwed with the air outlet part and a driving part for driving the upper supporting leg to move up and down; wherein, the colored medium is water mixed with pigment, the observation flange 121 is an annular bulge formed by directly extending outwards from the lower part of the lower supporting leg 141, and a gap is arranged between the outer side wall of the observation flange 121 and the inner wall of the liquid cavity 41; further, the number of the supporting feet 14 is 4, and the liquid chambers among the 4 supporting feet are communicated with each other through the connecting pipe 5; the air outlet part is arranged at the upper part of the lower supporting leg, and the sealing cover is made of plastic; an observation opening 121 is arranged on the support frame 12 corresponding to the lower supporting leg, the observation opening 121 is in a strip structure, and the length is preferably equal to that of the lower supporting leg; and the observation opening 121 is provided with an observation window 122, the observation window 122 and the lower supporting leg 141 are both made of transparent plastics, and the condition of the colored medium in the lower supporting leg can be directly observed.

Specifically, the driving part comprises a connecting port 61 arranged on the support frame, a mounting seat 63, an inserting hole 64, an external thread arranged on the outer wall of the upper supporting leg, a first operating cavity 65, a second operating cavity 66 and a third operating cavity 67 which are arranged in the mounting seat, a gear ring 68 which is rotatably arranged in the first operating cavity, a gear piece 69 which is rotatably arranged in the second operating cavity, a speed reducing piece 610 which is arranged in the third operating cavity and a driving piece 611 which penetrates out of the mounting seat, wherein the first operating cavity, the second operating cavity and the third operating cavity are communicated with each other, and the first operating cavity 65 is communicated with the inserting hole 64; the inner wall of the gear ring 68 is provided with an internal thread matched with the external thread of the upper supporting leg, the gear piece 69 is meshed with the gear ring 68, and the speed reducing piece 610 is meshed with the gear piece 69; the connecting port is of a rectangular or square structure, the mounting seat 63 is made of plastic or metal, the mounting seat 63 penetrates through the connecting port and is connected with the support frame through a screw 62, and the mounting seat can be detached relative to the support frame; the inserting hole is formed in the part, penetrating into the supporting frame, of the mounting seat, and the upper supporting leg penetrates into the inserting hole; the gear member 69 is a commercially available metal gear, the speed reducer 610 is a commercially available planetary gear set, and the driving member 611 is a handle.

The fixing part comprises two positioning plates 71, a positioning space 72 formed between the two positioning plates and a screw 73 arranged on the fixing plate and connected with the lower supporting leg; the fixing plate is made of plastic or metal and is fixedly connected to the inner wall of the support frame, the support leg is arranged in the positioning space 72, and a threaded hole for the screw to penetrate through is formed in the side wall of the support frame, but the threaded hole does not penetrate into the liquid cavity, so that the liquid leakage is avoided.

Preferably, the deuterium lamp includes a lamp body 81, a plurality of threaded holes 82 arranged on the lamp body, a plurality of screws 83 respectively arranged in the threaded holes, and a safety dismounting device for realizing synchronous dismounting of the plurality of screws, the lamp body 8 is a deuterium lamp purchased from the market, and the structure and principle are not described again; the safety dismounting device comprises an annular body 91 made of metal, a plurality of through holes 92 arranged on the body and respectively corresponding to a plurality of threaded holes, a plurality of annular accommodating cavities 93 arranged in the body, a rotating piece 94 arranged in the annular accommodating cavities, an annular groove 95 arranged in the body and communicated with the annular accommodating cavities, a rotating gear ring piece 96 arranged in the annular groove, a convex seat 97 formed by extending the side part of the body outwards, a column groove 98 arranged in the convex seat and communicated with the annular groove, a driving gear 99 arranged in the column groove in a rotatable manner and a driving screw 910 connected with the driving gear; the annular groove 95 is arranged around the through hole 92, and the inside of the annular groove is communicated with the through hole; the rotating member 94 and the driving gear 99 are respectively engaged with the rotating ring gear member 96; the rotating part and the rotating gear ring part are both metal gear rings purchased from the market, the driving gear is a metal gear not purchased from the market, and the inner wall of the rotating part is provided with an internal thread matched with the screw 83; the relative lamp body of safe dismouting device is independent setting in this application to when changing the lamp body, need not to change safe dismouting device, thereby safe dismouting device can carry out reuse many times, and the rate of utilization is high, and equipment input cost is little.

Claims (6)

1. The utility model provides a full gloss register for easy reference quality of water on-line monitoring device which characterized in that: comprises that

The monitoring control host comprises a data display unit, a data output unit, a control unit, a data processing unit, a light source unit, a labeling calibration unit and an analysis unit;

the sensing probe is electrically connected with the monitoring control host and comprises a probe body (21), an analysis chamber (22) and a reflection unit (23), wherein a spectroscope (24) is arranged in the probe body, a plurality of perspective mirrors (25) are arranged at the transition position of the probe body and the analysis chamber, a plurality of arc-shaped reflecting mirrors (26) are arranged at the transition position of the analysis chamber and the reflection unit, and a temperature sensor (27) is arranged in the analysis chamber.

2. The full-spectrum water quality on-line monitoring device according to claim 1, characterized in that: the light source unit is a deuterium lamp.

3. The full-spectrum water quality on-line monitoring device according to claim 2, characterized in that: the source spectrum of the light source unit is comparably separated into a reflection spectrum and a transmission spectrum through a spectroscope, the reflection spectrum is directly transmitted to the analysis unit as a zero spectrum, source data are provided for the data processing unit, and zero data are provided for the standard adding calibration unit; and the transmission spectrum enters a sample absorption area to obtain a sample absorption spectrum, and the sample absorption spectrum enters a standard adding calibration unit and then is transmitted into an analysis unit.

4. The full-spectrum water quality on-line monitoring device according to claim 3, characterized in that: the analysis unit comprises a spectrum analyzer, a support frame (12) arranged at the lower part of the spectrum analyzer, a connecting piece (13) used for connecting the spectrum analyzer and the support frame, a plurality of supporting feet (14) arranged in the support frame and an adjusting device used for horizontally adjusting the spectrum analyzer, wherein the supporting feet (14) are connected with the support frame (12) through fixing parts.

5. The full-spectrum water quality on-line monitoring device according to claim 4, characterized in that: the spectrum analyzer comprises a shell (31), a light through hole (32) arranged on the shell, a slit piece (33) arranged in the shell, a focusing mirror (34), a grating (35), a collimating mirror (36), a detection cavity (37) and a detector (38) arranged in the detection cavity, wherein the spectrum enters the shell from the light through hole, then is projected onto the collimating mirror after passing through the slit piece, then is projected onto the grating by the collimating mirror, then is projected onto the focusing mirror by the grating, and then is projected onto the detector by the focusing mirror.

6. The full-spectrum water quality on-line monitoring device according to claim 5, characterized in that: the supporting foot (14) comprises a lower supporting foot (141), an upper supporting foot (142) which can move up and down and is arranged in the lower supporting foot in a penetrating way, a sealing element which is arranged on the lower supporting foot and is in sealing fit with the upper supporting foot, a spherical element (143) arranged on the upper supporting foot and a roller element (144) arranged at the lower part of the lower supporting foot; the lower surface of the shell (31) is provided with a universal joint (145) matched with the spherical part, and the universal joint (145) is provided with a spherical cavity (146) for placing the spherical part.

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