CN112415160A - Rain and sewage identification device and control method thereof - Google Patents

Rain and sewage identification device and control method thereof Download PDF

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Publication number
CN112415160A
CN112415160A CN202011207928.9A CN202011207928A CN112415160A CN 112415160 A CN112415160 A CN 112415160A CN 202011207928 A CN202011207928 A CN 202011207928A CN 112415160 A CN112415160 A CN 112415160A
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CN
China
Prior art keywords
sensor
hole
rain
sewage
ammonia nitrogen
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Pending
Application number
CN202011207928.9A
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Chinese (zh)
Inventor
刘海洋
李震
房琦
宋腾
廖伟
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Shenzhen Water Technology Co ltd
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Shenzhen Water Technology Co ltd
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Publication date
Application filed by Shenzhen Water Technology Co ltd filed Critical Shenzhen Water Technology Co ltd
Priority to CN202011207928.9A priority Critical patent/CN112415160A/en
Publication of CN112415160A publication Critical patent/CN112415160A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18Water
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/032Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • B08B9/0328Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18Water
    • G01N33/1806Water biological or chemical oxygen demand (BOD or COD)
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00Pattern recognition
    • G06F18/20Analysing
    • G06F18/24Classification techniques
    • G06F18/241Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches
    • G06F18/2411Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches based on the proximity to a decision surface, e.g. support vector machines

Abstract

The invention discloses a rain and sewage identification device and a control method thereof, wherein the rain and sewage identification device comprises a fixed support, a chemical oxygen demand sensor, a turbidity sensor and an ammonia nitrogen sensor; the chemical oxygen demand sensor is detachably arranged on the fixed bracket and is used for detecting the chemical oxygen content of water; the turbidity sensor is detachably arranged on the fixed support and is used for detecting the turbidity of water; and the ammonia nitrogen sensor is detachably arranged on the fixed support and is used for detecting the ammonia nitrogen content of water. The sensor in the rain and sewage identification device is convenient to disassemble, and the service life of the device can be prolonged.

Description

Rain and sewage identification device and control method thereof
Technical Field
The invention relates to a sensor technology, in particular to a rain and sewage identification device and a control method thereof.
Background
Chemical Oxygen Demand (COD), turbidity and ammonia nitrogen are important indexes for water quality detection. Wherein, COD is a comprehensive index of the content of organic matters and humus in the water body; ammonia nitrogen is a nutrient substance in a water body, can cause the phenomenon of water eutrophication, belongs to an oxygen-consuming pollutant in the water body, and is also an important parameter for judging the pollution degree of sewage; the turbidity is closely related to the content of organic matters, bacteria, viruses and other microorganisms in water quality, and is also an important fact basis for judging the treatment effect of domestic sewage. Most of the traditional rain sewage quality identification equipment adopts single-parameter water quality monitoring, so that a reported false positive signal is easy to appear.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a rain and sewage identification device and a control method thereof, which can replace a sensor to prolong the service life of the device and reduce the monitoring cost.
The rain and sewage identification device comprises a fixed support, a chemical oxygen demand sensor, a turbidity sensor and an ammonia nitrogen sensor; the chemical oxygen demand sensor is detachably arranged on the fixed bracket and is used for detecting the chemical oxygen content of water; the turbidity sensor is detachably arranged on the fixed support and is used for detecting the turbidity of water; and the ammonia nitrogen sensor is detachably arranged on the fixed support and is used for detecting the ammonia nitrogen content of water.
The rain and sewage identification device provided by the embodiment of the invention has at least the following beneficial effects: install chemical oxygen demand sensor, turbidity sensor and ammonia nitrogen sensor on the fixed bolster detachablely, only need dismantle the sensor that needs to be changed from the fixed bolster when the sensor needs to be changed, so not only the sensor of the different combinations of user's installation of being convenient for, also can reduce the detection cost through changing the life-span that the sensor comes the extension fixture.
According to some embodiments of the invention, the fixed bracket comprises a first fixed seat, a second fixed seat and a support column; the second fixing seat is matched with the first fixing seat to fix the chemical oxygen demand sensor, the turbidity sensor and the ammonia nitrogen sensor; and two ends of the supporting column are respectively connected with the first fixing seat and the second fixing seat.
According to some embodiments of the present invention, the first fixing base is provided with a first through hole, a second through hole, and a third through hole, and the second fixing base is provided with a fourth through hole, a fifth through hole, and a sixth through hole; the chemical oxygen demand sensor is provided with a first plug part inserted into the first through hole and a second plug part inserted into the fourth through hole; the turbidity sensor is provided with a third insertion part inserted into the second through hole and a fourth insertion part inserted into the fifth through hole; and a fifth inserting part inserted into the third through hole and a sixth inserting part inserted into the sixth through hole are arranged on the ammonia nitrogen sensor.
According to some embodiments of the present invention, a first sealing ring is sleeved on the first insertion part, a second sealing ring is sleeved on the third insertion part, and a third sealing ring is sleeved on the fifth insertion part.
According to some embodiments of the invention, the device further comprises a shell, the surface of the shell is provided with a plurality of through holes, and the fixing support is detachably arranged in the shell.
According to some embodiments of the invention, the housing comprises: an upper housing and a lower housing; go up the casing with down be equipped with between the casing with fixed bolster assorted baffle, the baffle with the inferior valve body forms and detects the chamber, the through-hole set up in the surface of casing down, the through-hole with detect the chamber intercommunication, so that wait to detect water and get into detect the chamber.
According to some embodiments of the invention, the system further comprises a cleaning device for cleaning the chemical oxygen demand sensor, the turbidity sensor and the ammonia nitrogen sensor.
According to some embodiments of the invention, a gas channel is provided in the support column, and the cleaning device comprises an air compressor and a gas cleaning nozzle; an air compressor for compressing air; and the gas cleaning nozzle device is communicated with the gas channel, and air enters the gas cleaning nozzle from the gas channel to be sprayed out so as to clean the chemical oxygen demand sensor, the turbidity sensor and the ammonia nitrogen sensor.
According to some embodiments of the invention, the system further comprises a processor, wherein the processor is respectively connected with the chemical oxygen demand sensor, the turbidity sensor and the ammonia nitrogen sensor, and is used for acquiring data detected by the chemical oxygen demand sensor, the turbidity sensor and the ammonia nitrogen sensor, classifying the detected data through an SVM classifier, and outputting a classification result.
A control method of a rain and sewage discriminating apparatus according to an embodiment of a second aspect of the present invention includes the steps of:
acquiring first detection data of the chemical oxygen demand sensor, second detection data of the turbidity sensor and third detection data of the ammonia nitrogen sensor;
and inputting the first detection data, the second detection data and the third detection data into a trained SVM classifier to obtain a classification result.
The control method of the rain and sewage identification device provided by the embodiment of the invention has at least the following beneficial effects: the data of the chemical oxygen demand sensor, the turbidity sensor and the ammonia nitrogen sensor are subjected to SVM training classification, so that the monitoring accuracy can be improved, and rain and sewage can be distinguished and classified.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described with reference to the following figures and examples, in which:
FIG. 1 is a schematic structural diagram of a sensor-mounted fixing bracket according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a fixing bracket according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a fixing bracket according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a housing according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a housing according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an upper housing according to an embodiment of the present invention;
fig. 7 is a flowchart of a control method of the rain and sewage identifying apparatus according to the embodiment of the present invention.
Reference numerals: 100. fixing a bracket; 110. a first fixed seat; 120. a second fixed seat; 130. a support pillar; 140. a chemical oxygen demand sensor; 141. a second insertion part; 142. a first seal ring; 150. a turbidity sensor; 151. a fourth mating portion; 152. a second seal ring; 160. an ammonia nitrogen sensor; 161. a sixth mating portion; 162. a third seal ring; 170. a gas cleaning nozzle; 210. a first through hole; 220. a second through hole; 230. a third through hole; 240. a fourth via hole; 250. a fifth through hole; 260. a sixth through hole; 270. a gas channel; 280. a limiting member; 310. a first positioning member; 410. a housing; 420. an upper housing; 430. a lower housing; 440. a through hole; 450. a cover body; 460. protecting the tube; 610. a partition plate; 620. a seventh via hole; 630. An eighth through hole; 640. a ninth via hole; 650. a first positioning hole; 660. and a limiting hole.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present numbers, and the above, below, within, etc. are understood as including the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In a first aspect, referring to fig. 1, in some embodiments of the present invention, a rain and sewage discriminating apparatus includes a fixing bracket 100, a chemical oxygen demand sensor 140, a turbidity sensor 150, and an ammonia nitrogen sensor 160. The chemical oxygen demand sensor 140 is detachably arranged on the fixed bracket 100 and is used for detecting the chemical oxygen content of water; chemical Oxygen demand is a parameter of organic pollution, which is important and can be measured quickly in research of properties of river pollution and industrial wastewater and operation management of wastewater treatment plants, and is often expressed by the symbol cod (chemical Oxygen demand). The turbidity sensor 150 is detachably mounted on the fixed bracket 100 and used for detecting the turbidity of water; turbidity is the degree of obstruction of light by a solution, and includes scattering of light by suspended matter and absorption of light by solute molecules. The turbidity of water is related not only to the content of suspended substances in the water, but also to their size, shape, refractive index, etc. The ammonia nitrogen sensor 160 is detachably arranged on the fixed support 100 and used for detecting the ammonia nitrogen content of water; ammonia nitrogen is a nutrient substance in a water body, can cause a water eutrophication phenomenon and belongs to an oxygen-consuming pollutant in the water body.
The three sensors are used for comprehensively monitoring water, so that the rationality and the accuracy of rain and sewage identification can be improved. Meanwhile, the chemical oxygen demand sensor 140, the turbidity sensor 150 and the ammonia nitrogen sensor 160 are detachably mounted on the fixed support 100, and when one of the sensors needs to be replaced, only the sensor needing to be replaced needs to be detached from the fixed support 100, so that not only is the user convenient to mount the sensors with different combinations, but also the service life of the device can be prolonged by replacing the sensor, and the detection cost is reduced.
Referring to fig. 1 and 2, in some embodiments of the invention, a fixing bracket 100 includes: a first fixing base 110, a second fixing base 120 and a supporting column 130. Wherein, the second fixing base 120 is matched with the first fixing base 110 to fix the chemical oxygen demand sensor 140, the turbidity sensor 150 and the ammonia nitrogen sensor 160. The two ends of the supporting column 130 are respectively connected with the first fixing base 110 and the second fixing base 120. The sensor card is fixed by the first fixing seat 110, the second fixing seat 120 and the supporting column 130, and when the sensor needs to be replaced, only the sensor needing to be replaced needs to be detached from the fixing support 100, so that not only are the sensors in different combinations conveniently installed by a user, but also the service life of the device can be prolonged by replacing the sensor, and the detection cost is reduced.
Referring to fig. 1 and 2, in some embodiments of the present invention, the first fixing base 110 is provided with a first through hole 210, a second through hole 220, and a third through hole 230, and the second fixing base 120 is provided with a fourth through hole 240, a fifth through hole 250, and a sixth through hole 260; the cod sensor 140 is provided with a first insertion part (not shown) inserted into the first through hole 210 and a second insertion part 141 inserted into the fourth through hole 240; the turbidity sensor 150 is provided with a third insertion part (not shown) inserted into the second through hole 220 and a fourth insertion part 151 inserted into the fifth through hole 250; the ammonia nitrogen sensor 160 is provided with a fifth inserting part (not shown) inserted into the third through hole 230 and a sixth inserting part 161 inserted into the sixth through hole 260. The sensor is convenient to disassemble and assemble, so that the detection cost is reduced.
Specifically, referring to fig. 2 and 6, the first fixing seat 110 and the second fixing seat 120 are both circular, the first through hole 210 and the fourth through hole 240 are linearly arranged in a row, the second through hole 220 and the fifth through hole 250 are linearly arranged in a row, the third through hole 230 and the sixth through hole 260 are linearly arranged in a row, the first through hole 210, the second through hole 220 and the third through hole 230 are arranged on the first fixing seat 110 at equal intervals, the fourth through hole 240, the fifth through hole 250 and the sixth through hole 260 are arranged on the second fixing seat 120 at equal intervals, and the chemical oxygen demand sensor 140, the turbidity sensor 150 and the ammonia nitrogen sensor 160 are vertically arranged on the fixing support 100.
Referring to fig. 1, in some embodiments of the present invention, a first sealing ring 142 is sleeved on a first insertion part (not shown), a second sealing ring 152 is sleeved on a third insertion part (not shown), and a third sealing ring 162 is sleeved on a fifth insertion part (not shown). The sealing ring is arranged on the inserting part in a sleeved mode, so that sewage is prevented from entering the sensor, and a data transmission line from the sensor is protected.
Referring to fig. 2, 4 and 6 together, in some embodiments of the present invention, the rain and sewage identifying apparatus further includes a housing 410, a plurality of through holes 440 are formed on a surface of the housing 410, and the fixing bracket 100 is detachably mounted inside the housing 410.
The case 410 includes an upper case 420 and a lower case 430; a partition plate 610 matched with the fixing support 100 is arranged between the upper shell 420 and the lower shell 430, the partition plate 610 and the lower shell 430 form a detection cavity, and the through hole 440 is opened on the surface of the lower shell 430.
The partition plate 610 and the upper shell 420 form a protection cavity, and the partition plate 610 is arranged between the upper shell 420 and the lower shell 430, so that sewage can be prevented from entering the protection cavity above the partition plate 610, and the sensor is protected.
In some embodiments of the present invention, the upper housing 420 further includes a cover 450, and a protection tube 460 is further disposed on the cover 450 for protecting the data transmission line from the sensor.
In some embodiments of the present invention, the partition plate 610 is provided with a seventh through hole 620, an eighth through hole 630, and a ninth through hole 640 corresponding to the first through hole 210, the second through hole 220, and the third through hole 230, respectively, and further provided with a plurality of first positioning holes 650 and positioning holes 660; the fixing bracket 100 is provided with a limiting member 280 matched with the supporting column 130 and a first positioning member 310 matched with the first positioning hole 650, and after the supporting column 130 is inserted into the limiting hole 660, the fixing bracket 100 is detachably mounted on the housing 410 through the limiting member 280, the supporting column 130, the first positioning hole 650 and the first positioning member 310.
Specifically, referring to fig. 1, 3 and 6, two ends of the supporting column 130 are provided with threads, two limiting members 280 are provided, which are nuts adapted to the threads on the supporting column 130, and the first positioning member 310 is a screw structure. The rain and sewage identification device is installed as follows: inserting the second inserting part 141 of the chemical oxygen demand sensor 140 into the fourth through hole 240, inserting the fourth inserting part 151 of the turbidity sensor 150 into the fifth through hole 250, inserting the sixth inserting part 161 of the ammonia nitrogen sensor 160 into the sixth through hole 260 to realize the installation of the sensor on the second fixing seat 120, then inserting the chemical oxygen demand sensor 140 into the seventh through hole 620, inserting the turbidity sensor 150 into the eighth through hole 630, inserting the ammonia nitrogen sensor 160 into the ninth through hole 640 to realize the installation of the sensor and the partition plate 610, then sleeving the first fixing seat 110 on the sensor from the upper part of the partition plate 610, then inserting the supporting column 130 to be matched with the limiting piece 280 to realize the installation of the sensor on the fixing support 100, and the whole fixing support 100 is installed on the shell, finally screwing the first positioning piece 310, sleeving the corresponding sealing ring on the corresponding inserting part, and covering the cover body 450, the installation of the whole rain and sewage identification device is realized.
Referring to fig. 1 and 2, in some embodiments of the present invention, the rainfall contamination identification device further includes a cleaning device for cleaning the chemical oxygen demand sensor 140, the turbidity sensor 150, and the ammonia nitrogen sensor 160. Through setting up cleaning device, make the sensor probe keep clean, can't accurately measure the result after avoiding the probe of sensor to be infected with.
Referring to fig. 1 and 2, in some embodiments of the present invention, a gas passage 270 is provided in the support column 130, and the cleaning device includes an air compressor (not shown) and a gas cleaning nozzle 170. The gas cleaning nozzle 170 is communicated with the gas channel 270, the air compressor is used for compressing air, the compressed air is sprayed out from the gas cleaning nozzle 170 along the gas channel 270, the sensor is cleaned, and the situation that the result cannot be accurately measured after a probe of the sensor is contaminated is avoided.
Specifically, in the present embodiment, three gas cleaning nozzles 170 are provided, which are respectively defined as a first gas cleaning nozzle, a second gas cleaning nozzle and a third gas cleaning nozzle, wherein the first gas cleaning nozzle is aligned with the probe of the cod sensor 140, the second gas cleaning nozzle is aligned with the probe of the turbidity sensor 150, and the third gas cleaning nozzle is aligned with the probe of the ammonia nitrogen sensor 160, so as to spray gas from the gas cleaning nozzles 170, thereby cleaning the sensor probes, and avoiding the situation that the probes cannot accurately measure results after being contaminated.
In some embodiments of the present invention, the rain and sewage identification apparatus further includes a processor, and the processor is respectively connected to the chemical oxygen demand sensor 140, the turbidity sensor 150, and the ammonia nitrogen sensor 160, and is configured to acquire detection data of the chemical oxygen demand sensor 140, the turbidity sensor 150, and the ammonia nitrogen sensor 160, classify the detection data by an SVM classifier, and output a classification result.
In the embodiment, the processing is configured with an SVM classifier, which is trained by a large amount of data and can output a classification result by inputting data to the classifier. The SVM classifier is configured in the processor, so that the result can be directly obtained, a user does not need to analyze and compare data, the result is visual, and the efficiency is greatly improved.
The device can be used for monitoring water quality by integrating various sensors, and is provided with the self-cleaning module, so that the frequency of field tests of personnel can be greatly reduced, and the maintenance cost of equipment is reduced.
Referring to fig. 1 to 6, a rain and sewage discriminating apparatus according to an embodiment of the present invention will be described in detail as a specific embodiment. It is to be understood that the following description is illustrative only and is not intended to be limiting of the invention.
The rain and sewage identification device is approximately cylindrical and comprises a fixing support 100, a chemical oxygen demand sensor 140, a turbidity sensor 150 and an ammonia nitrogen sensor 160, wherein the fixing support 100 comprises a first fixing seat 110, a second fixing seat 120 and a support column 130, the second fixing seat 120 is provided with a fourth through hole 240, a fifth through hole 250 and a sixth through hole 260, the chemical oxygen demand sensor 140 is provided with a second insertion part 141 inserted into the fourth through hole 240, the turbidity sensor 150 is provided with a fourth insertion part 151 inserted into the fifth through hole 250, and the ammonia nitrogen sensor 160 is provided with a sixth insertion part 161 inserted into the sixth through hole 260; the support column 130 is hollow to form a gas channel 270, two ends of the support column 130 are provided with threads, and the fixing support 100 further comprises a nut matched with the threads of the support column 130; inserting the second inserting part 141 of the chemical oxygen demand sensor 140 into the fourth through hole 240, inserting the fourth inserting part 151 of the turbidity sensor 150 into the fifth through hole 250, inserting the sixth inserting part 161 of the ammonia nitrogen sensor 160 into the sixth through hole 260 to realize the installation of the sensor on the second fixing seat 120, then inserting the chemical oxygen demand sensor 140 into the seventh through hole 620 from the lower part, inserting the turbidity sensor 150 into the eighth through hole 630, inserting the ammonia nitrogen sensor 160 into the ninth through hole 640 to realize the installation of the sensor and the partition plate 610, then sleeving the first fixing seat 110 on the sensor from the upper part of the partition plate 610, then inserting the supporting column 130 to be matched with the limiting part 280 to realize the installation of the sensor on the fixing bracket 100, and the whole fixing bracket 100 is installed on the shell, finally screwing the screw structure, sleeving the corresponding sealing ring on the corresponding inserting part, and covering the cover body 450, the installation of the whole rain and sewage identification device is realized.
The rain and sewage identification device further comprises an air compressor (not shown in the figure) and three gas cleaning nozzles 170, wherein the three gas cleaning nozzles 170 are respectively a first gas cleaning nozzle, a second gas cleaning nozzle and a third gas cleaning nozzle, the first gas cleaning nozzle is aligned with the probe of the chemical oxygen demand sensor 140, the second gas cleaning nozzle is aligned with the probe of the turbidity sensor 150, the third gas cleaning nozzle is aligned with the probe of the ammonia nitrogen sensor 160, the gas cleaning nozzles 170 are communicated with a gas channel 270 inside the supporting column 130, and air compressed by the air compressor is sprayed out of the gas cleaning nozzles 170 along the gas channel 270, so that the cleaning of the sensor probes is realized.
The rain and sewage identification device further comprises a processor, wherein the processor is respectively connected with the chemical oxygen demand sensor 140, the turbidity sensor 150 and the ammonia nitrogen sensor 160 and is used for acquiring detection data of the chemical oxygen demand sensor 140, the turbidity sensor 150 and the ammonia nitrogen sensor 160, classifying the detection data through an SVM classifier and outputting a classification result.
Through so setting up, use three sensor to carry out comprehensive monitoring to water, can improve the rationality and the accuracy of dirty differentiation of rain. Meanwhile, the chemical oxygen demand sensor 140, the turbidity sensor 150 and the ammonia nitrogen sensor 160 are detachably mounted on the fixed support 100, when one of the sensors needs to be replaced, only the sensor needing to be replaced needs to be detached from the fixed support 100, so that not only is the user convenient to mount the sensors with different combinations, but also the service life of the device can be prolonged by replacing the sensor, and the detection cost is reduced. And, set up cleaning device to the cleanness of sensor probe, can be that the testing result is more accurate.
In a second aspect, referring to fig. 7, some embodiments of the present invention further provide a control method of a rain and sewage identifying apparatus, which is applied to the rain and sewage identifying apparatus in any one of the embodiments of the first aspect, including, but not limited to, steps S710 and S720.
Step S710: first detection data of the chemical oxygen demand sensor 140, second detection data of the turbidity sensor 150 and third detection data of the ammonia nitrogen sensor 160 are obtained.
Step S720: and inputting the first detection data, the second detection data and the third detection data into the trained SVM classifier to obtain a classification result.
It should be noted that the SVM classifier can be obtained by training in the following manner:
obtaining training samples, each training sample comprising a label and corresponding sensor data, the types of training samples comprising: initial rainwater, middle rainwater, later rainwater, a sewage sample, 90% of initial rainwater + 10% of sewage, 80% of initial rainwater + 20% of sewage, 70% of initial rainwater + 30% of sewage, 60% of initial rainwater + 40% of sewage, 50% of initial rainwater + 50% of sewage, 90% of middle rainwater + 10% of sewage, 80% of middle rainwater + 20% of sewage, 70% of middle rainwater + 30% of sewage, 60% of middle rainwater + 40% of sewage, and 50% of middle rainwater + 50% of sewage.
Each type of sample can have a plurality of data, the SVM classifier is obtained after the training of the data, and at the moment, the SVM classifier can directly output a result after acquiring the data of the sensor. For example, 50 samples in different periods are taken from the water samples of the above categories respectively, water quality detection is performed on the samples to obtain COD (chemical oxygen demand), turbidity and ammonia nitrogen parameters, and the data of the corresponding 50 samples are respectively used as a data category to be distinguished from the data categories of other water samples. And then machine training learning is carried out on each data category, and finally a mathematical classification model for distinguishing rainwater and sewage is constructed.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

Claims (10)

1. A rain and stain identification device, comprising:
fixing a bracket;
the chemical oxygen demand sensor is detachably arranged on the fixed bracket and is used for detecting the chemical oxygen content of water;
the turbidity sensor is detachably arranged on the fixed support and is used for detecting the turbidity of water;
and the ammonia nitrogen sensor is detachably arranged on the fixed support and is used for detecting the ammonia nitrogen content of water.
2. The rain and sewage identifying apparatus of claim 1 wherein the fixing bracket comprises:
a first fixed seat;
the second fixing seat is matched with the first fixing seat and fixes the chemical oxygen demand sensor, the turbidity sensor and the ammonia nitrogen sensor;
and two ends of the supporting column are respectively connected with the first fixing seat and the second fixing seat.
3. The rain and sewage identification device of claim 2, wherein the first fixing seat is provided with a first through hole, a second through hole and a third through hole, and the second fixing seat is provided with a fourth through hole, a fifth through hole and a sixth through hole;
the chemical oxygen demand sensor is provided with a first plug part inserted into the first through hole and a second plug part inserted into the fourth through hole;
the turbidity sensor is provided with a third insertion part inserted into the second through hole and a fourth insertion part inserted into the fifth through hole;
and a fifth inserting part inserted into the third through hole and a sixth inserting part inserted into the sixth through hole are arranged on the ammonia nitrogen sensor.
4. The rain and sewage discriminating device according to claim 3, wherein a first seal ring is sleeved on the first insertion part, a second seal ring is sleeved on the third insertion part, and a third seal ring is sleeved on the fifth insertion part.
5. The rain and sewage identifying apparatus of claim 1, further comprising:
the casing, a plurality of through-holes have been seted up on the surface of casing, the detachable installation of fixed bolster in the inside of casing.
6. The rain and sewage identification device of claim 5 wherein the housing comprises: an upper housing and a lower housing;
go up the casing with down be equipped with between the casing with fixed bolster assorted baffle, the baffle with the inferior valve body forms and detects the chamber, the through-hole set up in the surface of casing down, the through-hole with detect the chamber intercommunication, so that wait to detect water and get into detect the chamber.
7. The rain and sewage identifying apparatus according to claim 2, further comprising:
and the cleaning device is used for cleaning the chemical oxygen demand sensor, the turbidity sensor and the ammonia nitrogen sensor.
8. The rain and sewage identifying device of claim 7 wherein a gas passage is provided in the support column, the cleaning device comprising:
an air compressor for compressing air;
and the gas cleaning nozzle device is communicated with the gas channel, and air enters the gas cleaning nozzle from the gas channel to be sprayed out so as to clean the chemical oxygen demand sensor, the turbidity sensor and the ammonia nitrogen sensor.
9. The rain and sewage identifying apparatus of claim 1, further comprising:
and the processor is respectively connected with the chemical oxygen demand sensor, the turbidity sensor and the ammonia nitrogen sensor, and is used for acquiring data detected by the chemical oxygen demand sensor, the turbidity sensor and the ammonia nitrogen sensor, classifying the detected data through an SVM classifier, and outputting a classification result.
10. A control method of a rain and sewage discriminating apparatus applied to the rain and sewage discriminating apparatus according to any one of claims 1 to 9, characterized by comprising the steps of:
acquiring first detection data of the chemical oxygen demand sensor, second detection data of the turbidity sensor and third detection data of the ammonia nitrogen sensor;
and inputting the first detection data, the second detection data and the third detection data into a trained SVM classifier to obtain a classification result.
CN202011207928.9A 2020-11-03 2020-11-03 Rain and sewage identification device and control method thereof Pending CN112415160A (en)

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CN206531842U (en) * 2017-03-16 2017-09-29 浙江汉诺软件有限公司 A kind of dirty analysis machine of rain
CN206638665U (en) * 2017-04-11 2017-11-14 福建(泉州)哈工大工程技术研究院 A kind of fast slowdown monitoring cylinder of micropolis sewage quality
CN208631972U (en) * 2018-06-29 2019-03-22 浙江长投云联信息科技有限公司 A kind of dissolved oxygen data pick-up
CN109626751A (en) * 2019-01-25 2019-04-16 河海大学 A kind of automatic aeration formula rainwater water purification system and its working method
CN109655593A (en) * 2018-12-29 2019-04-19 中国海洋大学 A kind of device and method monitoring ocean water quality
CN111646656A (en) * 2020-07-14 2020-09-11 北京工业大学 Refined regulation and control system suitable for purification and reuse of public building rainwater of multiple water sources
CN211603157U (en) * 2020-01-19 2020-09-29 深圳市朗诚科技股份有限公司 Water quality sensor's mount and water quality monitoring device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101923083A (en) * 2009-06-17 2010-12-22 复旦大学 Sewage chemical oxygen demand soft measuring method based on support vector machine and neural network
CN206470260U (en) * 2017-01-23 2017-09-05 青岛海陆环境科技有限公司 A kind of online water analysis instrument
CN206531842U (en) * 2017-03-16 2017-09-29 浙江汉诺软件有限公司 A kind of dirty analysis machine of rain
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CN208631972U (en) * 2018-06-29 2019-03-22 浙江长投云联信息科技有限公司 A kind of dissolved oxygen data pick-up
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Application publication date: 20210226