CN213516857U - Parameter detection mechanism and water quality intelligent detection equipment - Google Patents

Abstract

The utility model discloses a parameter detection mechanism and quality of water intellectual detection system equipment, wherein, parameter detection mechanism includes parameter detection mechanism casing, a control system, PH detection mechanism, conductivity detection mechanism, dissolved oxygen detection mechanism and sodium ion detection mechanism are all installed inside parameter detection mechanism casing, PH detection mechanism, conductivity detection mechanism, dissolved oxygen detection mechanism and sodium ion detection mechanism all are connected with the control system electricity, control system is equipped with the display module and in order to show PH detection mechanism, conductivity detection mechanism, the numerical value that dissolved oxygen detection mechanism and sodium ion detection mechanism detected. The utility model discloses a parameter detection mechanism can realize the detection of the PH value of water sample, conductivity, dissolved oxygen content and the multiple parameter of sodium ion content, has not only saved manpower and materials, the cost is reduced, and detection efficiency is high moreover, the reliability is high.

Description

Parameter detection mechanism and water quality intelligent detection equipment

Technical Field

The utility model relates to a water quality testing field especially relates to parameter detection mechanism and quality of water intellectual detection system equipment.

Background

The petrochemical thermoelectric water sample detection has the characteristics of multiple point positions, multiple detection parameters and the like, the detected parameters comprise a pH value, a dissolved oxygen content, conductivity, a sodium ion content and the like, and the laboratory detection mode has the advantages of low efficiency, low reliability and high labor cost.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses a parameter detection mechanism and quality of water intellectual detection system equipment.

The utility model discloses a first aspect discloses a parameter detection mechanism, including parameter detection mechanism casing, control system, PH detection mechanism, conductivity detection mechanism, dissolved oxygen detection mechanism and sodium ion detection mechanism all install in inside the parameter detection mechanism casing, PH detection mechanism, conductivity detection mechanism, dissolved oxygen detection mechanism and sodium ion detection mechanism all with the control system electricity is connected, control system is equipped with the display module in order to show the numerical value that PH detection mechanism, conductivity detection mechanism, dissolved oxygen detection mechanism and sodium ion detection mechanism detected.

The second aspect of the utility model discloses a quality of water intellectual detection system equipment, including frame and foretell parameter detection mechanism, parameter detection mechanism install in the frame.

According to the technical scheme, the utility model discloses a parameter detection mechanism through having assembleed PH detection mechanism, conductivity detection mechanism, dissolved oxygen detection mechanism and sodium ion detection mechanism in parameter detection mechanism casing for parameter detection mechanism can realize the detection of the PH value of water sample, conductivity, dissolved oxygen content and the multiple parameter of sodium ion content, has not only saved manpower and materials, and the cost is reduced, and detection efficiency is high moreover, the reliability is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a front view angle of an intelligent water quality detection device provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a rear view angle of the intelligent water quality detection device provided by the embodiment of the utility model;

fig. 3 is a schematic structural diagram of a sampling mechanism provided in an embodiment of the present invention;

fig. 4 is an exploded view of a sampling mechanism provided by an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a sampling assembly according to an embodiment of the present invention;

fig. 6 is an exploded view of a sampling assembly according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a front view angle of the colorimetric detection mechanism according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a rear view angle of the colorimetric detection mechanism according to an embodiment of the present invention;

fig. 9 is an exploded schematic view of a colorimetric detection mechanism provided in an embodiment of the present invention;

fig. 10 is a schematic view of a pipeline connection of the colorimetric detection mechanism according to an embodiment of the present invention;

fig. 11 is a schematic structural diagram of a waterway plate assembly provided in an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a colorimetric module according to another embodiment of the present invention;

fig. 13 is an exploded view of the infusion tube collection assembly provided in accordance with an embodiment of the present invention;

fig. 14 is a schematic structural diagram of a parameter detection mechanism according to an embodiment of the present invention;

fig. 15 is a schematic structural diagram of a PH detection flow cell according to an embodiment of the present invention;

fig. 16 is a schematic structural diagram of a conductivity detection flow cell provided in an embodiment of the present invention;

fig. 17 is a schematic structural diagram of a dissolved oxygen detection flow cell according to an embodiment of the present invention;

fig. 18 is a schematic structural diagram of a sodium ion detection mechanism according to an embodiment of the present invention;

fig. 19 is a schematic cross-sectional view of a water sample flow cell provided in an embodiment of the present invention;

fig. 20 is a schematic structural diagram of a front view angle of a reagent chamber provided in an embodiment of the present invention;

fig. 21 is a schematic structural diagram of a rear view angle of a reagent chamber according to an embodiment of the present invention;

fig. 22 is an exploded schematic view of a reagent cartridge provided by an embodiment of the present invention;

fig. 23 is a schematic structural diagram of a reagent bottle according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Referring to fig. 1-2, an embodiment of the present invention provides an intelligent water quality detecting apparatus 100, which includes a frame 10, a sampling mechanism 20, a colorimetric detection mechanism 30, a parameter detection mechanism 40, a reagent bin 50, and a control system 60, wherein the sampling mechanism 20, the colorimetric detection mechanism 30, the parameter detection mechanism 40, the reagent bin 50, and the control system 60 are all installed in the frame 10. Wherein, the sampling mechanism 20 is used for collecting water samples; the colorimetric detection mechanism 30 is connected with the sampling mechanism 20 through a pipeline, and the colorimetric detection mechanism 30 is used for detecting the content of nutrient salt in the water sample; the parameter detection mechanism 40 is connected with the sampling mechanism 20 through a pipeline, and the parameter detection mechanism 40 is used for detecting the pH value, the dissolved oxygen content, the conductivity and the sodium ion content of the water sample; the reagent bin 50 is connected with the colorimetric detection mechanism 30 through a pipeline, and the reagent bin 50 is used for providing reagents required in the detection process of the colorimetric detection mechanism 30; the sampling mechanism 20, the colorimetric detection mechanism 30, the parameter detection mechanism 40 and the reagent bin 50 are all electrically connected with the control system 60, and the control system 60 is used for controlling the sampling mechanism 20, the colorimetric detection mechanism 30, the parameter detection mechanism 40 and the reagent bin 50 to automatically operate so as to detect a water sample.

After the technical scheme is adopted, a sampling mechanism 20 is arranged to collect a water sample; detecting the content of nutrient salt in the water sample by arranging a colorimetric detection mechanism 30; the PH value, the dissolved oxygen content, the conductivity and the sodium ion content of the water sample are detected by a parameter detection mechanism 40; and provide the required reagent in the colorimetric detection mechanism 30 testing process through setting up reagent storehouse 50, whole quality of water intellectual detection system 100 can be detected multiple quality of water parameter automatically, has saved manpower and materials, has reduced cost and occupational disease risk, and the efficiency and the reliability of detecting are high moreover.

In some embodiments, the sampling mechanism 20 and/or the colorimetric detection mechanism 30 and/or the reagent cartridge 50 are drawer-style connected to the housing 10. By providing the sampling mechanism 20 and/or the colorimetric detection mechanism 30 and/or the reagent cartridge 50 in a drawer-type connection with the housing 10, maintenance and replacement of the sampling mechanism 20 and/or the colorimetric detection mechanism 30 and/or the reagent cartridge 50 are facilitated. Alternatively, the sampling mechanism 20 and the parameter detection mechanism 40 are provided at a lower portion of the rack 10, and the colorimetric detection mechanism 30 and the reagent cartridge 50 are provided at an upper portion of the rack 10.

Referring to fig. 3-6, in some embodiments, the sampling mechanism 20 includes a sampling mechanism housing 21, at least two sets of sampling assemblies 22 are disposed in the sampling mechanism housing 21, each set of sampling assemblies 22 includes a three-way valve 221, a sampling tube 222, a delivery tube 223, a discharge tube 224 and a three-way valve controller 225, the three-way valve 221 includes a first liquid inlet 2211, a first liquid outlet 2212 and a discharge outlet 2213; the sampling tube 222 comprises a second liquid inlet 2221 at one end of the sampling tube 222 and a second liquid outlet 2222 at the other end of the sampling tube 222, and the second liquid outlet 2222 is communicated with the first liquid inlet 2211; the delivery pipe 223 comprises a first port 2231 at one end of the delivery pipe, a second port 2232 at the other end of the delivery pipe, and a third port 2233 extending through the sidewall of the delivery pipe 223, the third port 2233 being in communication with the first liquid outlet 2212; the discharge pipe 224 includes a fourth port 2241 at one end of the discharge pipe, a fifth port 2242 at the other end of the discharge pipe, and a sixth port 2243 penetrating a sidewall of the discharge pipe, the sixth port 2243 communicating with the discharge port 2213; the three-way valve controller 225 is electrically connected to the three-way valve 221, and the three-way valve controller 225 is configured to control the first liquid inlet 2211 to be communicated with the first liquid outlet 2212 or the discharge port 2213; in adjacent sets of sampling assemblies 22, the first port 2231 of the delivery tube 223 of one set of sampling assemblies 22 communicates with the second port 2232 of the delivery tube 223 of the other set of sampling assemblies 22, and the fourth port 2241 of the discharge tube 224 of one set of sampling assemblies 22 communicates with the fifth port 2242 of the discharge tube 224 of the other set of sampling assemblies 22.

After the technical scheme is adopted, the first port 2231 of the conveying pipe 223 of one group of the sampling assemblies 22 is communicated with the second port 2232 of the conveying pipe 223 of the other group of the sampling assemblies 22, and the fourth port 2241 of the discharge pipe 224 of one group of the sampling assemblies 22 is communicated with the fifth port 2242 of the discharge pipe 224 of the other group of the sampling assemblies 22, so that not only can each sampling mechanism 20 realize the water sample collection of a plurality of sampling points, but also the structure of the sampling mechanism 20 can be effectively simplified, and the sampling mechanism 20 is small in size and small in occupied space.

In some embodiments, three sets of sampling assemblies 22 are disposed within sampling mechanism housing 21, with delivery tubes 223 of three sets of sampling assemblies 22 being in series, and discharge tubes 224 of three sets of sampling assemblies 22 being in series. Of course, the sampling mechanism housing 21 is not limited to three sets of sampling assemblies 22, and may be provided with more than three sets of sampling assemblies 22, which may be determined according to actual design requirements.

In some embodiments, the sampling assembly 22 further includes a temperature gauge 226, the sidewall of each sampling tube 222 is further provided with a first mounting hole 2223, the temperature gauge 226 is mounted at the first mounting hole 2223, the temperature gauge 226 is electrically connected to the three-way valve controller 225, and the three-way valve controller 225 is configured to control the first liquid inlet 2211 to be communicated with the discharge port 2213 when the temperature value of the water sample detected by the temperature gauge 226 is greater than a preset value. This embodiment can avoid the high temperature of water sample to cause the damage to follow-up equipment, prolongs the life of equipment.

In some embodiments, the sampling assembly 22 further includes a pressure gauge 227, the sidewall of each sampling tube 222 is further provided with a second mounting hole 2224, the pressure gauge 227 is mounted at the second mounting hole 2224, the pressure gauge 227 is electrically connected to the three-way valve controller 225, and the three-way valve controller 225 is configured to control the first inlet 2211 to be communicated with the discharge port 2213 when the pressure gauge 227 detects that the pressure of the sampled water is greater than a preset value. This embodiment can avoid the water sample to cause the damage to subsequent equipment when the pressure is too big, prolongs the life of equipment.

In some embodiments, the sampling assembly 22 further comprises a first rotary pipe clamp 23, wherein the first rotary pipe clamp 23 is provided with a first internal thread, the first inlet port 2211 is provided with a first external thread section, the second outlet port 2222 is provided with a second external thread section, the first external thread section is in threaded connection with one end of the first rotary pipe clamp 23, and the second external thread section is in threaded connection with the other end of the first rotary pipe clamp 23. The connection of the first external thread section and the second external thread section is realized by arranging the first rotary pipe hoop 23, so that when the sampling pipe 222 is connected with the three-way valve 221, the postures of the sampling pipe 222 and the three-way valve 221 can be adjusted, and then the sampling pipe 222 and the three-way valve 221 are fastened by rotating the first rotary pipe hoop 23, so that the sampling pipe 222 and the three-way valve 221 are neat and attractive after being connected.

In some embodiments, sampling assembly 22 further comprises a second rotary collar 24, wherein second rotary collar 24 is provided with a second internal thread, first outlet port 2212 is provided with a third external thread segment, third port 2233 is provided with a fourth external thread segment, the third external thread segment is threadedly coupled to one end of second rotary collar 24, and the fourth external thread segment is threadedly coupled to the other end of second rotary collar 24. Similarly, in this embodiment, the delivery pipe 223 and the three-way valve 221 are connected to each other to be neat and beautiful.

In some embodiments, sampling assembly 22 further comprises a third rotatable collar 25, third rotatable collar 25 being provided with a third internal thread, a fifth external thread segment at discharge port 2213, a sixth external thread segment at sixth port 2243, the fifth external thread segment being threadedly coupled to one end of third rotatable collar 25, and the sixth external thread segment being threadedly coupled to the other end of third rotatable collar 25. Also, in this embodiment, the discharge pipe 224 and the three-way valve 221 are connected to be neat and beautiful.

In some embodiments, sampling assembly 22 further comprises a fourth rotary pipe clamp 26 provided with a fourth internal thread, and each of the facing ends of two adjacent conveying pipes 223 is provided with a seventh external thread section, wherein one seventh external thread section is in threaded connection with one end of fourth rotary pipe clamp 26, and the other seventh external thread section is in threaded connection with the other end of fourth rotary pipe clamp 26. Similarly, in this embodiment, two adjacent delivery pipes 223 are neat and beautiful after being connected.

In some embodiments, the sampling assembly 22 further comprises a fifth rotary pipe clamp 27, the fifth rotary pipe clamp 27 is provided with a fifth internal thread, and each of the opposite ends of the two adjacent discharge pipes 224 is provided with an eighth external thread section, wherein one of the eighth external thread sections is in threaded connection with one end of the fifth rotary pipe clamp 27, and the other eighth external thread section is in threaded connection with the other end of the fifth rotary pipe clamp 27. Likewise, in this embodiment, the adjacent two discharge pipes 224 are connected to be neat and beautiful.

In some embodiments, the number of the sampling mechanisms 20 is five, five sampling mechanisms 20 are connected with the rack 10 in a drawer-type manner, and five sampling mechanisms 20 can perform sampling at fifteen sampling points.

Referring to fig. 7-13, in some embodiments, the colorimetric detection mechanism 30 includes a housing 31 of the colorimetric detection mechanism, and a waterway board assembly 32, a colorimetric assembly 33, a fluid delivery mechanism 34, a detection assembly 35, and a display assembly 36 are disposed in the housing 31 of the colorimetric detection mechanism. The waterway plate assembly 32 comprises a waterway plate 321 and a plurality of electromagnetic valves (not shown) installed on the waterway plate 321, the waterway plate 321 is provided with a flow channel 3211, a water sample interface 3212 and a reagent interface 3213, and the electromagnetic valves are used for controlling the connection or disconnection of each interface and the flow channel 3211; the colorimetric component 33 is used for detecting the absorbance of a water sample; the fluid conveying mechanism 34 is connected between the waterway board assembly 32 and the colorimetric assembly 33, and the fluid conveying mechanism 34 is used for conveying the liquid in the waterway board 321 to the colorimetric assembly 33; the detection component 35 is used for detecting the running state of the colorimetric detection mechanism 30; the display component 36 is electrically connected with the detection component 35, and the display component 36 is used for displaying the operation state of the colorimetric detection mechanism 30. Optionally, the fluid delivery mechanism 34 is a peristaltic pump.

After the technical scheme is adopted, the operating state of the colorimetric detection mechanism 30 is displayed by the display component 36, so that a user can more intuitively know and inquire the operating state of the colorimetric detection mechanism 30.

Illustratively, the detection flow of the colorimetric detection mechanism 30 is as follows: fluid conveying mechanism 34 extracts the water sample earlier and carries out absorbance detection in getting into color comparison subassembly 33, discharges the water sample after the detection is accomplished, then, fluid conveying mechanism 34 extracts the water sample again and gets into color comparison subassembly 33 to extract reagent and get into color comparison subassembly 33 in and carry out mixing reaction with the water sample, detects the absorbance of mixed liquid after the reaction is predetermine for a long time, discharges the mixed liquid after the detection is accomplished. In some embodiments, the process further comprises cleaning the contrast color component 33 before and after the absorbance of the water sample is detected and before and after the absorbance of the mixed solution is detected. In some embodiments, heating the mixed liquor is further included. The detection unit 35 is used to detect which stage the above-mentioned process is in, and the display unit 36 displays information detected by the detection unit 35 to the user.

In some embodiments, the colorimetric assembly 33 comprises a transparent mixing tube 331, a light source 332, and a photoelectric sensor 333, wherein one end of the transparent mixing tube 331 is communicated with the fluid conveying mechanism 34, and the other end of the transparent mixing tube 331 is used for discharging waste liquid; the light source 332 is arranged at one axial side of the transparent mixing tube 331, and the light source 332 is used for emitting light to irradiate the liquid in the transparent mixing tube 331; the photoelectric converter 333 is disposed at the other axial side of the transparent mixing tube 331, and the photoelectric converter 333 is configured to receive light passing through the transparent mixing tube 331 and form a photoelectric signal.

In some embodiments, the colorimetric assembly 33 further comprises a first high pressure valve 334, a second high pressure valve 335, and a heating assembly (not shown), the first high pressure valve 334 being connected to the discharge end of the transparent mixing tube 331; the second high pressure valve 335 is connected between the liquid delivery mechanism 34 and the transparent mixing tube 331; the heating element is wound around the transparent mixing tube 331, and the heating element is used for heating the liquid in the transparent mixing tube 331. Optionally, the transparent mixing tube 331 is a quartz tube. By arranging the heating component to heat the liquid in the transparent mixing tube 331, the reaction rate can be improved, and the detection timeliness can be improved.

In some implementations, the colorimetric detection mechanism 30 further includes a three-way valve 38, the water channel plate 321 is further provided with a cleaning solution interface 3214 and a fluid outlet 3215, the peristaltic pump 34 is connected to the fluid outlet 3215, the three-way valve 38 includes an inlet 381, a first outlet 382 and a second outlet 383, the inlet 381 is connected to the peristaltic pump 34, the first outlet 382 is used for discharging waste liquid after cleaning the water channel plate assembly 32, the colorimetric assembly 33 is connected to the second outlet 383, and the colorimetric assembly 33 is used for absorbance detection of a water sample; wherein, the water route board subassembly 32 still is equipped with waste discharge 3216, and waste discharge 3216 is used for discharging the waste liquid after wasing color comparison subassembly 33. Specifically, the waste liquid after the colorimetric member 33 is cleaned may be reversely moved to the waste discharge port 3216 by the peristaltic pump 34 and discharged from the waste discharge port 3216.

After the technical scheme is adopted, by arranging the three-way valve 38, the waste liquid after the water channel plate assembly 32 is cleaned is discharged from the first outlet 382 of the three-way valve 38, and the waste liquid after the color comparison assembly 33 is cleaned is discharged from the waste discharge port 3216, that is, the waste liquid after the water channel plate assembly 32 is cleaned does not pass through the color comparison assembly 33, and the color comparison assembly 33 is not polluted, so that the accuracy of the detection result can be improved. In addition, the cross-sectional area of the flow channel of the water channel plate 321 is small, so that the use amount and the discharge amount of the reagent are small, the effects of saving resources and reducing pollution can be achieved, in addition, the reagent residue is small, the cross contamination can be effectively reduced, and the accuracy of the measurement result is improved. Further, compared with the existing mode of adopting a multi-way valve, the water path plate 321 has a smaller volume, so that the volume of the whole water quality analyzer can be effectively reduced, and the occupied space is reduced.

In an alternative embodiment, the waterway plate 321 is a waterway plate made of acrylic material. The acrylic material is convenient to clean, and is not easy to leave reagent residues, so that cross contamination can be effectively reduced. Of course, the material of the water channel plate is not limited to acrylic material, and other materials such as metal and ceramic can be used.

In an optional embodiment, the waterway plate 321 is provided with a plurality of sets of three-way interfaces 323, each set of three-way interfaces 323 comprises a common interface 3231, a left interface 3232 and a right interface 3233, and the electromagnetic valve is used for controlling the left interface 3232 or the right interface 3233 to communicate with the common interface 3231; the plurality of sets of three-way interfaces 323 are connected in series by the flow channel 3211, wherein the common interface 3231 of the former set is communicated with the left interface 3232 or the right interface 3233 of the latter set, the remaining left interface 3232 or the right interface 3233 is selectively used as a water sample interface, a cleaning solution interface or a reagent interface, and the common interface 3231 of the last set of three-way interfaces 323 is connected with the peristaltic pump 34.

In an alternative embodiment, either the left port 3232 or the right port 3233 of the last set of three-way ports 323 is used as the waste 3216. With this design, through the left interface or the right interface with last group of tee bend interface use as the waste discharge mouth, like this, wash the waste liquid behind the color comparison subassembly 33 and can not pass through preceding several groups of tee bend interfaces and runners, avoided cross contamination effectively.

In an alternative embodiment, the cleaning solution ports 3214 include a pure water port 3214a and a cleaning agent port 3214b, one of the left port 3232 and the right port 3233 of the first set of three-way ports 323 is used as the cleaning agent port 3214b, and one of the left port 3232 and the right port 3233 of the second set of three-way ports 323 is used as the pure water port 3214 a. With this design, through using one of left interface 3232 and right interface 3233 of first set of tee bend interface 323 as cleaner interface 3214b, like this, when carrying out the washing of water route board subassembly 32 and color comparison subassembly 33, the cleaner can maximize the runner through whole water route board subassembly 32 to with whole water route board subassembly 32 sanitization, avoid the residual liquid to cause the influence to the testing result. Similarly, the reason why one of the left port 3232 and the right port 3233 of the second set of three-way ports 323 is used as the pure water port 3214a is also considered above, and is not described herein again.

In an alternative embodiment, the waterway plate 321 is further provided with an air port 3217, and the other of the left port 3232 and the right port 3233 of the first set of three-way ports 323 is used as the air port 3217. The air port 3217 blows air into the water channel plate 321 to drive the liquid in the water channel plate 321 into the colorimetric module 33. In this design, the other of the left port 3232 and the right port 3233 of the first set of three-way ports 323 is used as the air port 3217, so that the air can maximally purge the liquid in the flow channel 3211 into the colorimetric assembly 33, reduce the residual liquid in the flow channel, and effectively avoid cross contamination.

In an optional embodiment, the waterway plate 321 is further provided with a standard liquid interface 3218, the standard liquid interface 3218 is used for connecting a standard liquid tank, and the standard liquid is used for calibration of the detected component before detection.

Illustratively, the waterway plate 321 is provided with twelve sets of three-way connectors, the twelve sets of three-way connectors are arranged in two rows, and optionally, each row is provided with six sets of three-way connectors. A common interface of the first group of three-way interfaces 323a is connected with a left interface of the second group of three-way interfaces 323b, the left interface of the first group of three-way interfaces 323a is used as an air interface, and the right interface of the first group of three-way interfaces 323a is used as a cleaning liquid interface; a common interface of the second group of three-way interfaces 323b is connected with a left interface of the third group of three-way interfaces 323c, and a right interface of the second group of three-way interfaces 323b is used as a pure water interface; a public interface of the third group of three-way interfaces 323c is connected with a left interface of the fourth group of three-way interfaces 323d, and a right interface of the third group of three-way interfaces 323c is used as a water sample interface; a public interface of the fourth group three-way interface 323d is connected with a left interface of the fifth group three-way interface 323e, and a right interface of the fourth group three-way interface 323d is used as a standard liquid interface; a common interface of the fifth group of three-way interfaces 323e is connected with a left interface of the sixth group of three-way interfaces 323f, and a right interface of the fifth group of three-way interfaces 323e is used as a first reagent interface; a common interface of the sixth group of three-way interfaces 323f is connected with a right interface of the seventh group of three-way interfaces 323g, and the right interface of the sixth group of three-way interfaces 323f is used as a second reagent interface; a public interface of the seventh group of three-way interfaces 323g is connected with a right interface of the eighth group of three-way interfaces 323h, and a left interface of the seventh group of three-way interfaces 323g is used as a third reagent interface; a common interface of the eighth group of three-way interfaces 323h is connected with a right interface of the ninth group of three-way interfaces 323i, and a left interface of the eighth group of three-way interfaces 323h is used as a fourth reagent interface; a public interface of the ninth group of three-way interfaces 323i is connected with a right interface of the tenth group of three-way interfaces 323j, and a left interface of the ninth group of three-way interfaces 323i is used as a fifth reagent interface; the middle interface of the tenth group of three-way interfaces 323j is connected with the right interface of the eleventh group of three-way interfaces 323k, and the left interface of the tenth group of three-way interfaces 323j is used as a second reagent interface; a public interface of the eleventh group of three-way interfaces 323k is connected with a right interface of the twelfth group of three-way interfaces 323l, and a left interface of the eleventh group of three-way interfaces 323k is used as a standby interface; the common port of the twelfth set of three-way ports 323l is used as a fluid outlet and the left port of the twelfth set of three-way ports 323l is used as a waste outlet.

In other embodiments, the colorimetric assembly 33 ' comprises a reaction tube 331 ', a flow cell 332 ', a light source 333 ', and a photosensor 334 ', wherein one end of the reaction tube 331 ' is connected to the fluid delivery mechanism 34 '; the flow cell 332 ' includes a first pipe 3321 ', a second pipe 3322 ' provided at a side wall of one end of the first pipe 3321 ' and communicating with the first pipe 3321 ', and a third pipe 3323 ' provided at a side wall of the other end of the first pipe 3321 ' and communicating with the first pipe 3321 ', the second pipe 3322 ' communicating with the other end of the reaction tube 331 ', the third pipe 3323 ' for discharging waste liquid; the light source 333 ' is disposed at one axial end of the first pipe 3321 ', and the light source 333 ' is used for emitting light to irradiate the liquid in the first pipe 3321 ' along the axial direction of the first pipe 3321 '; the photoelectric sensor 334 'is disposed at the other axial end of the first pipe 3321', and the photoelectric converter 334 'is configured to receive light passing through the first pipe 3321' and form a photoelectric signal. Compared with the prior art that the light sources are arranged on two axial sides of the first pipeline 3321 ', the structure provided in the embodiment can effectively increase the optical path of the light source 333 ', amplify the response value of the detection of the nutrient salt, and improve the sensitivity of the detection, so that the colorimetric component 33 ' can accurately detect the content value of the low-concentration nutrient salt in the water sample. In addition, the reaction tube 331 ' and the flow cell 332 are separately arranged, that is, the flow cell 332 ' does not participate in the reaction of the mixed solution, so that a water sample or a reagent is prevented from remaining in the flow cell 332 ', the possibility of cross contamination among samples is reduced, and the detection precision is improved. In this embodiment, other components and connection relationships of the colorimetric detection mechanism may refer to the above embodiments, which are not described herein again.

In some embodiments, the first conduit 3321' has a length of 50-100 mm. The length of the first pipe 3321 'corresponds to the optical path of the first pipe 3321'.

In some embodiments, the light source 333 'is a single wavelength light source, and the wavelength of the light source 333' is 810nm or 880 nm.

In some embodiments, the light source 333' is a dual wavelength light source, including both wavelengths 810nm and 880 nm.

In some embodiments, the colorimetric detection mechanism 30 further includes an infusion tube collecting component 37, the infusion tube collecting component 37 includes a first infusion tube 371, a second infusion tube 372, a first collecting plate 373, and a second collecting plate 374 detachably connected to the first collecting plate 373, the first collecting plate 373 is mounted to the colorimetric detection mechanism housing 31, the first collecting plate 373 is provided with a plurality of first through holes 3731, one end of the first infusion tube 371 is inserted into the first through hole 3731, the second collecting plate 374 is provided with a plurality of second through holes 3741, one end of the second infusion tube 372 is inserted into the second through hole 3741, and when the first collecting plate 373 and the second collecting plate 374 are connected, the first infusion tube 371 is connected to the second infusion tube 372. Because the colorimetric detection mechanism 30 is connected with the rack 10 in a drawer type, by arranging the infusion tube collecting component 37, when the colorimetric detection mechanism 30 needs to be maintained and replaced, only the first collecting plate 373 and the second collecting plate 374 need to be disassembled, and each infusion tube does not need to be disassembled, so that the disassembly convenience is greatly improved.

In some embodiments, the infusion tube collection assembly 37 further comprises a locking cover 375, the first collection plate 373 is provided with external threads, the locking cover 375 is provided with internal threads, the locking cover 375 is threadedly connected with the first collection plate 373 to press the second collection plate 374 against the first collection plate 373, and the locking cover 375 is provided with an escape hole 3751 for exposing the second through hole 3741.

In some embodiments, a side of the first collecting plate 373 facing the second collecting plate 374 is provided with a first positioning portion (not shown), a side of the second collecting plate 374 facing the first collecting plate 373 is provided with a second positioning portion 3742, and the first positioning portion and the second positioning portion 3742 cooperate to position the first collecting plate 373 and the second collecting plate 374. Optionally, the first positioning portion is a positioning hole formed in the first collecting plate 373, the second positioning portion 3742 is a positioning column formed in the second collecting plate 374, and the positioning column is inserted into the positioning hole to position the first collecting plate 373 and the second collecting plate 374.

In some embodiments, the number of colorimetric detection mechanisms 30 is five, with two colorimetric detection mechanisms 30 for low concentration silicate detection (0-100ug/L), one colorimetric detection mechanism 30 for high concentration silicate detection (0-2000ug/L), one colorimetric detection mechanism 30 for phosphate detection (0-20mg/L), and the remaining one colorimetric detection mechanism 30 ready for use.

Referring to fig. 14-19, in some embodiments, the parameter detecting mechanism 40 includes a parameter detecting mechanism housing 41, a PH detecting mechanism 42, a conductivity detecting mechanism 43, a dissolved oxygen detecting mechanism 44, and a sodium ion detecting mechanism 45, wherein the PH detecting mechanism 42, the conductivity detecting mechanism 43, the dissolved oxygen detecting mechanism 44, and the sodium ion detecting mechanism 45 are all installed inside the parameter detecting mechanism housing 41, the PH detecting mechanism 42, the conductivity detecting mechanism 43, the dissolved oxygen detecting mechanism 44, and the sodium ion detecting mechanism 45 are all electrically connected to the control system 60, and the control system 60 is provided with a display element for displaying the values detected by the PH detecting mechanism 42, the conductivity detecting mechanism 43, the dissolved oxygen detecting mechanism 44, and the sodium ion detecting mechanism 45.

After the technical scheme is adopted, the PH detection mechanism 42, the conductivity detection mechanism 43, the dissolved oxygen detection mechanism 44 and the sodium ion detection mechanism 45 are integrated in the parameter detection mechanism shell 41, so that the parameter detection mechanism 40 can detect various parameters of the PH value, the conductivity, the dissolved oxygen content and the sodium ion content of a water sample, manpower and material resources are saved, the cost is reduced, and the detection efficiency and the reliability are high.

In some embodiments, the PH detection mechanism 42 includes a PH detection flow cell 421 and a PH probe electrically connected to the control system 60, the PH detection flow cell 421 includes a first inner cavity 4211, a first sample inlet 4212 communicated with the first inner cavity 4211, and a first sample outlet 4213 communicated with the first inner cavity 4211, and the PH probe is mounted on the PH detection flow cell 421 and extends into the first inner cavity 4211.

In some embodiments, the conductivity detection mechanism 43 comprises a conductivity detection flow cell 431 and a conductivity probe electrically connected to the control system 60, the conductivity detection flow cell 431 comprises a second inner cavity 4311, a second sample inlet 4312 communicated with the second inner cavity 4311, and a second sample outlet 4313 communicated with the second inner cavity 4311, and the conductivity probe is mounted to the conductivity detection flow cell 431 and extends into the second inner cavity 4311.

In some embodiments, the dissolved oxygen detection mechanism 44 includes a dissolved oxygen detection flow cell 441 and a dissolved oxygen probe electrically connected to the control system 60, the dissolved oxygen detection flow cell 441 including a third lumen 4411, a third sample inlet 4412 in communication with the third lumen 4411, and a third sample outlet 4413 in communication with the third lumen 4411, the dissolved oxygen probe being mounted to the dissolved oxygen detection flow cell 441 and extending into the third lumen 4411.

In some embodiments, the sodium ion detecting mechanism 45 includes an alkalizing mechanism 451 and a detecting mechanism 452, the alkalizing mechanism 451 is communicated with the detecting mechanism 452 through a pipeline, the alkalizing mechanism 451 is used for alkalizing the water sample, and the detecting mechanism 452 is used for sodium ion detection of the alkalized water sample.

In some embodiments, the alkalizing mechanism 451 comprises an alkalizing mixing block 4511 and an alkalizing bottle 4512, the alkalizing mixing block 4511 comprises a fourth lumen 4513, a fourth sample inlet 4514 in communication with the fourth lumen 4513, a fourth sample outlet 4515 in communication with the fourth lumen 4513, and an alkalizing liquid inlet 4516 in communication with the fourth sample outlet 4515, and the alkalizing bottle 4512 is in communication with the alkalizing liquid inlet 4516 through a tube.

In some embodiments, the detection mechanism 452 includes a sodium ion detection flow cell 4521, a temperature electrode 4522, a measurement electrode 4523, and a reference electrode 4524, the sodium ion detection flow cell 4521 includes a fifth sample inlet 4525, a temperature electrode cavity 4526, a measurement electrode cavity 4527, a reference electrode cavity 4528, and a drain cavity 4529 in communication, the fifth sample inlet 4525 is in communication with the fourth sample outlet 4515, the temperature electrode 4522 extends into the temperature electrode cavity 4526, the measurement electrode 4523 extends into the measurement electrode cavity 4527, and the reference electrode 4524 extends into the reference electrode cavity 4528.

In some embodiments, the sodium ion detecting mechanism 40 further includes an overflow bottle 4530 and an overflow pipe 4531, the alkalization mixing block 4511 is disposed above the sodium ion detecting flow-through pool 4521, the overflow bottle 4530 is disposed on the top of the alkalization mixing block 4511 and is communicated with the fourth inner cavity 4513, one end of the overflow pipe 4531 is disposed in the overflow bottle 4530, the other end of the overflow pipe 4531 is disposed in the discharge cavity 4929, and the overflow pipe 4531 is movably connected to the alkalization mixing block 4511 and the sodium ion detecting flow-through pool 4521 in the vertical direction. The overflow bottle 4530 and the overflow pipe 4531 are used to adjust the flow rate of the sampled water flowing out of the fourth outlet 4515, and specifically, when the flow rate of the sampled water flowing out of the fourth outlet 4515 needs to be increased, the overflow pipe 4531 is moved upward, the liquid level in the overflow bottle 4530 rises, the pressure of the fourth outlet 4515 increases, and the flow rate increases.

In some embodiments, the parameter detecting mechanism 40 further includes a water sample flowing cell 46 installed in the parameter detecting mechanism housing 41, the water sample flowing cell 46 includes a sixth inner cavity 461, a sixth sample inlet 462 communicating with the sixth inner cavity 461, and a sixth sample outlet 463 communicating with the sixth inner cavity 461, the sixth sample inlet 462 is located at the bottom of the water sample flowing cell 46, and the sixth sample outlet 463 is located at the top of the water sample flowing cell 46. The water sample flow cell 46 plays a role of a water sample buffer pool, a water sample collected by the sampling mechanism 20 firstly enters the water sample flow cell 46, and the colorimetric detection mechanism 30 extracts the water sample from the water sample flow cell 46 and then enters the colorimetric detection mechanism 30 for detection.

Because the water sample at the top of the sixth inner cavity 461 is easy to dissolve oxygen in the air, which easily results in inaccurate data of subsequent detection, the sample introduction of the water sample flow cell 46 is set to be a low-inlet-high-outlet mode in this embodiment, so that the water sample at the top of the sixth inner cavity 461 is continuously discharged, and the influence of the oxygen in the air on the detection precision can be effectively reduced.

In some embodiments, the water sample flow cell 46 further includes a sampling port 464, the sampling port 464 being located at the bottom of the water sample flow cell 46. Through setting up sample connection 464 at water sample flow-through cell 46, can effectively avoid the oxygen of dissolving in the water sample in the air to produce the influence to the testing result. In other embodiments, the sampling port may also be disposed at the top of the water sample flow cell, and the operator may sample the water sample by extending the sampling needle to the bottom of the water sample flow cell 46, so as to effectively prevent oxygen dissolved in the water sample in the air from affecting the detection result.

In some embodiments, the high concentration silicic acid detected water sample and the phosphate detected water sample are drawn from one water sample flow cell 46, and the low concentration silicate detected water sample is drawn from the other water sample flow cell 46. By separately circulating the high-concentration inorganic salt water sample and the low-concentration inorganic salt water sample in different water sample circulation tanks 46, cross contamination between the water samples can be avoided, and the detection precision is improved.

Alternatively, the number of the water sample flow cells 46 is three, and the flow cells are a flow cell 46a, a flow cell 46b and a flow cell 46c, respectively, and the water sample detected by the high-concentration silicate and the water sample detected by the phosphate are extracted from the flow cell 46a, one of the water samples detected by the low concentration sulfate is extracted from the flow cell 46b, and the other water sample detected by the low concentration sulfate is extracted from the flow cell 46 c.

In some embodiments, the parameter detection mechanism 40 further comprises a three-way valve 47, the three-way valve 47 comprises a water inlet 471, a water outlet 472 and a discharge port 473, and the water outlet 472 is communicated with the sixth sample inlet 462. During normal detection, the discharge port 473 is closed, and inside the water sample entered the water sample flow cell 46 through the water inlet 471 and the sixth sample inlet 462, during non-detection state, the water outlet 472 was closed, and the discharge port 473 is opened, and the water sample was discharged from the discharge port 473. As can be seen from the above description, one sampling mechanism 20 can realize sampling of multiple sampling points, and the three-way valve 47 is arranged to make the water sample flow cell 46 always in a constant flow state, so as to effectively avoid cross contamination between the sampling points and improve the detection accuracy.

In some embodiments, the parameter detecting mechanism 40 further includes a connecting pipe 48 and a flow regulating valve 49, one end of the connecting pipe 48 is communicated with the water inlet 471, the other end of the connecting pipe 48 is used for connecting to a sampling port of the water sample, the flow regulating valve 49 is installed on the connecting pipe 48, and the flow regulating valve 49 is used for regulating the flow of the liquid entering the water sample flow cell 46. When quality of water intellectual detection system equipment 100 that provides is used for detecting the thermoelectric water sample of petrochemical industry, the water sample that detects includes boiler water, condensate water, superheated steam condensate water etc. these water samples differ in the velocity of flow of pipeline, and some velocity of flow is on the contrary fast, and some velocity of flow is on the slow side, is unfavorable for going on of detection, in this embodiment, through setting up flow control valve 49 regulation flow, can let the water sample flow steadily under reasonable flow for testing process can go on smoothly.

Referring to fig. 20-23, in some embodiments, the reagent chamber 50 includes a reagent chamber housing 51, a reagent bottle 52, a liquid level detection assembly (not shown) and a display assembly 54, the reagent chamber housing 51 has a receiving slot 511; the reagent bottle 52 is accommodated in the accommodating groove 511; the liquid level detection assembly is arranged on the reagent bin shell 51 and is used for detecting the liquid level of the reagent in the reagent bottle 52; the display assembly 54 is electrically connected to the level detection assembly, and the display assembly 54 is used for displaying the level of the reagent in the reagent bottle 52.

After adopting foretell technical scheme, through setting up the liquid level detection subassembly with the liquid level of detecting reagent in the reagent bottle 52 to show the liquid level through setting up display module 54, like this, the user can know the reagent surplus of reagent bottle 52 in the reagent 50 in real time, changes reagent bottle 52 in time, so that follow-up detection process can go on smoothly.

In some embodiments, the liquid level detection assembly includes a float provided with a permanent magnet and a hall sensor 531, the float being built into the reagent bottle 52 and rising or falling with the liquid level; the hall sensor 531 is attached to the side wall of the housing tub 511, and the hall sensor 531 is electrically connected to the display unit 54.

It should be noted that the liquid level detection assembly is not limited to be configured to use a hall sensor, and for example, an infrared sensor may be used to detect the liquid level of the reagent.

In some embodiments, the number of hall sensors is two, and two hall sensors are arranged above and below the side wall of the tank, and the upper hall sensor is used for detecting the upper limit liquid level of the reagent in the reagent bottle 52, and the lower hall sensor is used for detecting the lower limit liquid level of the reagent in the reagent bottle 52.

In some embodiments, the reagent cartridge housing 51 comprises a reagent cartridge housing body 512 and a partition mechanism 513, the reagent cartridge housing body 512 having a receiving cavity; the partition mechanism 513 is disposed in the accommodating cavity to partition the accommodating cavity into a plurality of accommodating grooves 511; the partition mechanism 513 includes at least two partition plates 5131 arranged in a crossed manner, each partition plate 5131 includes a plurality of sub-partition plates 5132 and a plurality of connecting portions 5133, two adjacent sub-partition plates 5132 are connected by the connecting portions 5133, the sub-partition plates 5132 and the connecting portions 5133 enclose to form a plurality of clamping grooves 5134 arranged along the length direction of the partition plate 5131, and the two partition plates 5131 are clamped in the clamping grooves 5134 by the connecting portions 5133. With this embodiment, by adjusting the clamping position of one dividing plate 5131 and another dividing plate 5131, the size of the accommodating groove 511 can be adjusted to place reagent bottles 52 of different sizes, and the dividing mechanism 513 is formed by splicing the dividing plates 5131, so that different numbers of accommodating grooves 511 can be spliced according to actual use requirements, and the flexibility of use is high.

In some embodiments, the side wall of the sub-partition 5132 is provided with a groove 5135, and the liquid level detection assembly is partially mounted on the side wall of the sub-partition 5132 and embedded in the groove 5135. Through setting up the liquid level detection subassembly part and installing in the lateral wall of sub-baffle 5132 and inlay in recess 5135, can reduce the space that liquid level detection subassembly took accepting groove 511, and liquid level detection subassembly does not bulge in accepting groove 511's lateral wall, can avoid reagent bottle 52 to strike liquid level detection subassembly, causes the damage to liquid level detection subassembly.

In some embodiments, the partition mechanism 513 further includes a bottom plate 5136, the partition plate 5131 is mounted on the bottom plate 5136 by means of bolt fastening, and the bottom plate 5136 is provided with a wire arrangement hole communicated with the accommodating groove 511.

In some embodiments, the reagent bottle 52 comprises a bottle body 521, a bottle cap 522 and a reagent tube 523, wherein the bottle body 521 has a bottle cavity 5211 and an opening 5212 communicated with the bottle cavity 5211; the bottle cap 522 covers the opening 5212, the bottle cap 522 is provided with a through hole 5221 communicated with the bottle cavity 5211 in a penetrating manner, the through hole 5221 comprises a first hole part 5222 and a second hole part 5223, and the first hole part 5222 is communicated with the bottle cavity 5211; one end of the reagent tube 523 is inserted into the first hole portion 5222, the other end of the reagent tube 523 extends into the vial chamber 5211, and the second hole portion 5223 is used for inserting an external reagent tube. With this embodiment, the reagent bottle 52 and the reagent chamber 50 can be easily detached and replaced, for example, when the reagent bottle 52 is detached, only one end of the reagent tube 523 inserted into the second hole portion 5223 needs to be pulled out, and the reagent tube 523 in the reagent tube 523 does not need to be detached. In addition, the first and second hole portions 5222 and 5223 can fix the reagent tube 523 provided in the vial chamber 5211 and the reagent tube provided outside the vial chamber 5211 well, so that the reagent can be stably withdrawn. Optionally, the bottle cap 522 has a thickness of 1-5 cm.

In some embodiments, the first hole portion 5222 is a threaded hole, an external thread is provided at an end of the reagent tube 523 connected to the first hole portion 5222, and the reagent tube 523 is screwed to the first hole portion 5222. By providing the reagent tube 523 and the first hole portion 5222 in threaded connection, the firmness of the connection between the reagent tube 523 and the first hole portion 5222 is further improved, and it can be understood that the reagent tube 523 and the first hole portion 5222 may be connected by interference fit.

In some embodiments, the reagent bottle 52 further includes a fixing cap 524, the open end of the bottle body 521 is provided with an external thread, the fixing cap 524 is provided with an internal thread, the fixing cap 524 is screwed with the open end of the bottle body 521 to press the bottle cap 522 against the bottle body 521, and the fixing cap 524 is provided with an avoiding hole 5241 for exposing the through hole 5221.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a parameter detection mechanism, its characterized in that, includes parameter detection mechanism casing, control system, PH detection mechanism, conductivity detection mechanism, dissolved oxygen detection mechanism and sodium ion detection mechanism all install in inside the parameter detection mechanism casing, PH detection mechanism, conductivity detection mechanism, dissolved oxygen detection mechanism and sodium ion detection mechanism all with the control system electricity is connected, control system is equipped with the display module in order to show the numerical value that PH detection mechanism, conductivity detection mechanism, dissolved oxygen detection mechanism and sodium ion detection mechanism detected.

2. The parameter sensing mechanism according to claim 1, wherein the PH sensing mechanism comprises a PH sensing flow cell and a PH probe electrically connected to the control system, the PH sensing flow cell comprising a first inner cavity, a first sample inlet communicating with the first inner cavity, and a first sample outlet communicating with the first inner cavity, the PH probe being mounted to the PH sensing flow cell and extending into the first inner cavity; and/or the presence of a gas in the atmosphere,

the conductivity detection mechanism comprises a conductivity detection flow cell and a conductivity probe electrically connected with the control system, the conductivity detection flow cell comprises a second inner cavity, a second sample inlet communicated with the second inner cavity and a second sample outlet communicated with the second inner cavity, and the conductivity probe is installed in the conductivity detection flow cell and extends into the second inner cavity; and/or the presence of a gas in the atmosphere,

dissolved oxygen detection mechanism including dissolved oxygen detect the flow-through cell and with the dissolved oxygen probe that the control system electricity is connected, dissolved oxygen detects the flow-through cell and includes third inner chamber, intercommunication the third introduction port of third inner chamber and intercommunication the third appearance mouth of third inner chamber, dissolved oxygen probe install in dissolved oxygen detects the flow-through cell and extends into in the third inner chamber.

3. The parameter detection mechanism according to claim 1, wherein the sodium ion detection mechanism comprises an alkalization mechanism and a detection mechanism, the alkalization mechanism is communicated with the detection mechanism through a pipeline, the alkalization mechanism is used for alkalizing the water sample, and the detection mechanism is used for detecting sodium ions in the alkalized water sample.

4. The parameter detection mechanism according to claim 3, wherein the alkalization mechanism comprises an alkalization mixing block and an alkalization bottle, the alkalization mixing block comprises a fourth inner cavity, a fourth sample inlet communicated with the fourth inner cavity, a fourth sample outlet communicated with the fourth inner cavity, and an alkalization liquid inlet communicated with the fourth sample outlet, and the alkalization bottle is communicated with the alkalization liquid inlet through a pipeline.

5. The parameter sensing mechanism of claim 4, wherein the sensing mechanism comprises a Na ion sensing flow cell, a temperature electrode, a measurement electrode and a reference electrode, the Na ion sensing flow cell comprises a fifth sample inlet, a temperature electrode cavity, a measurement electrode cavity, a reference electrode cavity and a discharge cavity which are communicated, the fifth sample inlet is communicated with the fourth sample outlet, the temperature electrode extends into the temperature electrode cavity, the measurement electrode extends into the measurement electrode cavity, and the reference electrode extends into the reference electrode cavity.

6. The parameter detection mechanism according to claim 5, wherein the sodion detection mechanism further comprises an overflow bottle and an overflow pipe, the alkalization mixing block is disposed above the sodion detection flow cell, the overflow bottle is disposed on the top of the alkalization mixing block and is communicated with the fourth inner cavity, one end of the overflow pipe is disposed in the overflow bottle, the other end of the overflow pipe is disposed in the discharge cavity, and the overflow pipe is movably connected to the alkalization mixing block and the sodion detection flow cell in a vertical direction.

7. The parameter detection mechanism according to claim 1, further comprising a water sample flow cell installed in the housing of the parameter detection mechanism, wherein the water sample flow cell comprises a sixth inner cavity, a sixth sample inlet communicated with the sixth inner cavity, and a sixth sample outlet communicated with the sixth inner cavity, the sixth sample inlet is located at the bottom of the water sample flow cell, and the sixth sample outlet is located at the top of the water sample flow cell.

8. The parameter sensing mechanism of claim 7, further comprising a three-way valve, the three-way valve comprising a water inlet, a water outlet, and a drain, the water outlet in communication with the sixth sample inlet.

9. The parameter detection mechanism according to claim 8, further comprising a connection pipe and a flow control valve, wherein one end of the connection pipe is communicated with the water inlet, the other end of the connection pipe is used for connecting to a sampling port of a water sample, the flow control valve is installed in the connection pipe, and the flow control valve is used for regulating the flow of the liquid entering the water sample flow cell.

10. An intelligent water quality detection device, which is characterized by comprising a frame and the parameter detection mechanism as claimed in any one of claims 1 to 9, wherein the parameter detection mechanism is mounted on the frame.

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