CN212674894U - Water quality detection device - Google Patents

Abstract

The utility model provides a water quality testing device. The water quality detection device comprises a shell, a detection module and a control module. The detection module comprises a detection container and at least one detection device. The detection container is arranged in the shell and is communicated with a water supply sampling pipeline which is used for conveying water to be detected into the detection container. The at least one detection device is connected with the detection container or the water supply sampling pipeline and is respectively used for detecting various water quality parameters of the water to be detected, and the various water quality parameters comprise at least one of salinity, conductivity, content of oxidizing substances, pH value, content of polycyclic aromatic hydrocarbon and turbidity. The control module is arranged in the shell, is respectively connected with the detection device and the valve on the water supply sampling pipeline, is used for controlling the detection device and the valve and is used for extracting and treating water quality parameters.

Description

Water quality detection device

Technical Field

The utility model relates to a water quality testing technical field especially relates to a water quality testing device.

Background

Water is the most valuable resource in human life, the discharge index control of industrial sewage nowadays becomes the monitoring index of each state and government, the detection of harmful substances in water at the initial stage depends on manual sampling and is sent to a laboratory to be detected by a special person, time and labor are consumed, the discharge index can not be guaranteed to be effectively monitored, and along with the more and more strict requirements and management of supervision departments, the problem that each state and government must be solved is realized in remote monitoring.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes above-mentioned prior art's at least defect, provides a degree of automation is higher, can realize on-line measuring water quality testing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

according to an aspect of the utility model, a water quality testing device is provided. Wherein, water quality testing device contains shell, detection module and control module. The detection module comprises a detection container and at least one detection device. The detection container is arranged in the shell and is communicated with a water supply sampling pipeline, and the water supply sampling pipeline is used for conveying water to be detected into the detection container. The at least one detection device is connected with the detection container or the water supply sampling pipeline and is respectively used for detecting various water quality parameters of water to be detected, and the various water quality parameters comprise at least one of salinity, conductivity, content of oxidizing substances, pH value, content of polycyclic aromatic hydrocarbon and turbidity. The control module is arranged in the shell, is respectively connected with the detection device and a valve on the water supply sampling pipeline, is used for controlling the detection device and the valve and is used for extracting and treating water quality parameters.

According to the utility model discloses a wherein one of them embodiment, the shell is inside to have relatively independent first cavity and second cavity, detect the container set up in the first cavity, control module set up in the second cavity.

According to one of the embodiments of the present invention, the first cavity is located below the second cavity. And/or, the casing is provided with open closed first switch door and second switch door, first switch door with the second switch door respectively corresponding to first cavity with the second cavity, first switch door with the second switch door is provided with the observation window respectively or is made by transparent material respectively.

According to the utility model discloses a wherein one of them embodiment, water supply sample pipeline contains water supply pipeline, sample pipeline and drain line. The water supply pipeline set up in the casing and both ends stretch out respectively in outside the casing, the both ends of water supply pipeline are provided with water inlet and backward flow mouth respectively. The sampling pipeline is communicated with the water inlet of the detection container and between the water supply pipelines, and a first control valve is arranged on the sampling pipeline. One end of the drainage pipeline is communicated with the drainage hole of the detection container, the other end of the drainage pipeline extends out of the shell, a drainage port is formed in the other end of the drainage pipeline, and a second control valve is arranged on the drainage pipeline. Wherein the control module is connected to the first control valve and the second control valve, respectively.

According to the utility model discloses a wherein one of them embodiment, be provided with the filter on the sampling pipeline, control module connect in the filter. And/or a pressure stabilizing valve is arranged on the sampling pipeline, and the control module is connected with the pressure stabilizing valve.

According to the utility model discloses a wherein one of them embodiment, the detection device contains optical sensor, optical sensor set up in the shell and contain light emitting source and light sense device, the light emitting source with the light sense device respectively through the light guide component connect in detect the container, optical sensor is configured as and passes through the light emitting source sends a detection light, detection light via the light guide component conducts extremely in the detection container, by the water selection absorption that detects, according to lambert-beer law, can obtain the concentration of the quality of water parameter that detects, supply the light sense device detects the quality of water parameter.

According to one embodiment of the present invention, the light guide member includes an incident light transmission fiber and a received light transmission fiber. And/or the light emitting source and the light sensing device are arranged on a main control board of the control module.

According to one embodiment of the present invention, the detection light emitted by the light source at least includes three wavelength ranges, which are respectively a first detection light with a wavelength of 480nm to 600nm, a second detection light with a wavelength of 100nm to 400nm, and a third detection light with a wavelength of 780nm to 920 nm; wherein, optical sensor detects the quality of water parameter through first detection light and is the content of the oxidation material of water, detects the quality of water parameter through the second and is the content of the polycyclic aromatic hydrocarbon of water, detects the quality of water parameter through the third and is the turbidity of water. Or, the optical sensor comprises at least one of a first optical sensor, a second optical sensor, and a third optical sensor; the wavelength of first detection light of the first optical sensor is 480 nm-600 nm, the water quality parameter detected by the first optical sensor is the content of an oxidizing substance in water, the wavelength of second detection light of the second optical sensor is 100 nm-400 nm, the water quality parameter detected by the second optical sensor is the content of polycyclic aromatic hydrocarbon in water, the wavelength of third detection light of the third optical sensor is 780 nm-920 nm, and the water quality parameter detected by the third optical sensor is the turbidity of water.

According to the utility model discloses a wherein one of them implementation, optical sensor's first detection light shines into the incident light of detecting the container and jets out the angle between the emergent light of detecting the container is 180. And/or the angle between the incident ray of the second detection ray of the optical sensor entering the detection container and the emergent ray of the second detection ray exiting the detection container is 45-180 degrees. And/or the angle between the incident light of the third detection light of the optical sensor entering the detection container and the emergent light of the third detection light of the optical sensor exiting the detection container is 45-180 degrees.

According to the utility model discloses a wherein one of them embodiment, optical sensor still contains light intensity reinforcing means, light intensity reinforcing means sets up and is provided with light intensity reinforcing means on the light beam propagation path of second detection light and third detection light, light intensity reinforcing means is configured to the luminous intensity of reinforcing second detection light and third detection light.

According to the utility model discloses a wherein one of them embodiment, the detection device contains the salinity sensor, the salinity sensor set up in the shell and be connected to supply water sample pipeline, the salinity sensor is configured to detect the salinity of the water that waits to detect that flows through in the water supply sample pipeline. And/or, the detection device comprises a conductivity sensor which is arranged in the shell and connected with the water supply sampling pipeline, and the conductivity sensor is configured to detect the conductivity of the water to be detected flowing through the water supply sampling pipeline.

According to one of the embodiments of the present invention, the water quality detecting device further comprises a cleaning module. The cleaning module is arranged in the shell and comprises a cleaning liquid container, a cleaning pipeline and a cleaning pump. The cleaning liquid container is used for containing cleaning liquid. The cleaning pipeline is communicated between the detection container and the cleaning liquid container. The cleaning pump is arranged on the cleaning pipeline. The control system is connected to the cleaning pump and is configured to judge whether the water quality parameters detected by the detection module are influenced by scale and oil stains in the detection container at regular time to generate errors, so that the cleaning pump is controlled to provide power to convey the cleaning liquid to the detection container.

According to one embodiment of the present invention, the cleaning solution container includes a first container and a second container. The first container is arranged in the shell and used for containing cleaning agents. The second container is arranged in the shell and used for containing buffer solution. Wherein the cleaning pipeline is respectively communicated with the first container and the second container, and the cleaning pump is configured to be controlled by the control system to deliver cleaning medicament and buffer solution to the detection container according to preset quantitative proportion.

According to one embodiment of the present invention, the control system includes a main control panel and a user interface. The main control board is arranged in the shell, is respectively connected with the detection device and the valve on the water supply sampling pipeline, is used for controlling the detection device and the valve and is used for extracting and processing water quality parameters. The user interface is connected with the main control panel in a wireless connection mode.

According to the above technical scheme, the utility model provides a water quality testing device's advantage lies in with positive effect:

the utility model provides a water quality testing device contains shell, detection module and control module. The detection module comprises a detection container and at least one detection device. The detection container is communicated with a water supply sampling pipeline which is used for conveying water to be detected. The detection device is connected with the detection container or the water supply sampling pipeline and is respectively used for detecting various water quality parameters of water to be detected, and the various water quality parameters comprise at least one of salinity, conductivity, content of oxidizing substances, pH value, content of polycyclic aromatic hydrocarbon and turbidity. The control module is used for controlling the detection device and the valve and extracting and processing the water quality parameters. Through the above design, the utility model provides a water quality testing device need not realize the function of on-line measuring for the people is taken a sample, can provide reliable data for the user and administer as solving water pollution and provide the scientific foundation, the utility model discloses carry out automatic quick sample analysis through the water to flowing with the help of computer technology and sensor technology, degree of automation is higher, can realize on-line measuring.

Drawings

The various objects, features and advantages of the present invention will become more apparent from the following detailed description of the preferred embodiments of the invention, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the invention and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:

fig. 1 is a schematic structural view showing a water quality detecting apparatus according to an exemplary embodiment;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a left side view of FIG. 1;

fig. 4 is a cross-sectional view taken along line a-a in fig. 3.

The reference numerals are explained below:

100. a housing; a water supply line 231;

101. a drain valve; 2311, a water inlet;

102. a back pressure valve; 2312, a reflux port;

1021. a support; 232, sampling pipeline;

103. a steel pipe joint; 2321. a first control valve;

104. a stuffing box; 2322. filter;

106. a copper pipe joint; 23221. filter bowl;

107. a muffler; 23222. filter bowl chuck plate;

108. a gas circuit connecting block; 2323. pressure maintaining valve;

109. a gasket; 2324. a three-way valve;

110. a first cavity; 2325. compressed air line;

111. mounting a plate; 233, a drain line;

120. a second cavity; 2331. a drainage port;

130. a first switch door; 2332. a second control valve;

131. a hinge; 310, a main control panel;

132. a door lock; a user interface 320;

133. a sealing gasket; a first container 411;

134. a document box; a second container;

140. a second switching door; cleaning the pipeline 420;

210. detecting the container; 430. a purge pump;

221. a first incident light transmitting optical fiber; 431, a solenoid valve;

222. a second incident light transmitting fiber; 511, terminal block;

223. receiving a light transmitting fiber; 512, a relay;

224. a salinity and conductivity detection module; 513. a wiring groove;

225. a joint; 514. a grounding copper bar;

226. a crystalline form; a pneumatic valve pack.

227. A support;

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the following description of various exemplary embodiments of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized, and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "over," "between," "within," and the like may be used in this specification to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples described in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures to fall within the scope of the invention.

Referring to fig. 1, a schematic structural diagram of a water quality detecting device provided by the present invention is representatively shown. In this exemplary embodiment, the water quality detecting apparatus provided by the present invention is described by taking a detecting apparatus applied to detecting water quality as an example. It will be readily understood by those skilled in the art that various modifications, additions, substitutions, deletions, or other changes may be made to the embodiments described below in order to apply the inventive concepts described herein to other liquid or other testing devices, and such changes are within the scope of the principles of the water quality testing device as set forth herein.

As shown in fig. 1, in the present embodiment, the water quality detecting apparatus provided by the present invention includes a housing 100, a detecting module, and a control module. Referring to fig. 2 to 4, fig. 2 representatively illustrates a right side view of the water quality detecting apparatus, and illustrates a state in which two opening and closing doors are opened; fig. 3 is a left side view typically showing the water quality detecting apparatus, and shows a state where two opening and closing doors are opened; a cross-sectional view taken along line a-a of fig. 3 is representatively illustrated in fig. 4. The structure, connection and functional relationship of the main components of the water quality detecting device according to the present invention will be described in detail with reference to the drawings.

As shown in fig. 1 to 3, in the present embodiment, the detection module includes a detection container 210 and a plurality of detection devices. The detection container 210 is disposed within the housing 100. The detection container 210 is communicated with a water supply sampling pipeline, and the water supply sampling pipeline is used for conveying water to be detected into the detection container 210. A plurality of detection devices are connected to the detection container 210, and these detection devices can be used to detect various water quality parameters of the water to be detected, the various water quality parameters include salinity, conductivity, content of oxidizing substances, pH (hydrogen concentration, abbreviated as pH), content of Polycyclic Aromatic Hydrocarbons (PAHs), turbidity, Total dissolved solids (TDS, also called Total dissolved solids). The control module is disposed in the housing 100, and is respectively connected to the detection device and the valve on the water supply sampling pipeline, so as to control the detection device and the valve, and extract and process the water quality parameters. Namely, the control module can drive each detection device, collect detection signals returned by each detection device, extract, analyze, process, calculate and transmit the detection signals, and push the obtained real-time information about the water quality parameters to a user. Through the above design, the utility model provides a water quality testing device need not realize the function of on-line measuring for the people is taken a sample, can provide reliable data for the user and administer as solving water pollution and provide the scientific foundation, the utility model discloses carry out automatic quick sample analysis through the water to flowing with the help of computer technology and sensor technology, degree of automation is higher, can realize on-line measuring.

In the present embodiment, the turbidity in the water quality parameter includes, for example, the Total Suspended Solid (TSS) in water. In other embodiments, the turbidity may include other types of parameters, and is not limited to this embodiment.

It should be noted that in other embodiments, the detection module may comprise only one detection device, so as to detect only one water quality parameter, such as one of salinity, conductivity, content of oxidizing substances, pH value, content of polycyclic aromatic hydrocarbon, turbidity. Alternatively, the detection module may also include a part of the plurality of detection devices in this embodiment. Namely, the utility model provides a water quality testing device's detection module can contain at least one detection device, and the water quality parameter that detection module can detect through the detection device contains the water quality parameter, for example at least one of them of salinity, conductivity, oxidation material content, pH value, polycyclic aromatic hydrocarbon content, turbidity.

Preferably, as shown in fig. 1 to 3, in the present embodiment, the housing 100 preferably has a first cavity 110 and a second cavity 120 that are independent from each other, the detection container 210 is disposed in the first cavity 110, and the control module is disposed in the second cavity 120. On this basis, in addition to the detection container 210, other detection structures such as a water supply sampling pipeline and the like may be provided in the first cavity 110, and correspondingly, in addition to the control module, other electrical elements such as the terminal block 511, the relay 512, the wiring slot 513 and the ground copper bar 514 may be provided in the second cavity 120. Accordingly, the housing 100 can separate the control function and the detection function structurally through the design of the two relatively independent cavities, and can separate the electronic control device and the detection structure structurally. In other embodiments, the housing 100 may have only one cavity therein, or have more than two cavities, and the present embodiment is not limited thereto.

Further, as shown in fig. 1 to 3, based on the design of the housing 100 having two cavities inside, in the present embodiment, the first cavity 110 may be preferably located below the second cavity 120. Through the design, the control circuit and the optical fiber can be conveniently arranged between the two cavities from top to bottom, and the second cavity 120 provided with the electric control devices such as the control module and the like can be enabled not to be easily affected by liquid leakage of the detection device in the first cavity 110. In other embodiments, on the basis of having two cavities inside the casing 100, the two cavities may be arranged side by side or upside down on the basis of this embodiment, which is not limited to this embodiment.

Further, as shown in fig. 2 and 3, based on the design of the housing 100 having two cavities inside, in the present embodiment, the housing 100 may be preferably provided with a first switching door 130 and a second switching door 140 that can be opened and closed. The first switching gate 130 corresponds to the first cavity 110, and the second switching gate 140 corresponds to the second cavity 120. First switching door 130 and second switching door 140 may each preferably be made of a transparent material to facilitate a user to observe the conditions inside the corresponding cavity through the switching doors. The opening and closing mode of the opening and closing door can adopt left and right push-pull, left and right overturn, up and down overturn and the like. In other embodiments, the opening and closing door may be made of other opaque materials, and on this basis, an observation window may be disposed on the opening and closing door, which is not limited to this embodiment.

Preferably, as shown in fig. 1, in the present embodiment, the water supply sampling pipeline includes a water supply pipeline 231, a sampling pipeline 232 and a water discharge pipeline 233. The water supply pipeline 231 is disposed in the housing 100, and both ends of the water supply pipeline 231 respectively extend out of the housing 100, and both ends of the water supply pipeline 231 are respectively provided with a water inlet 2311 and a water return port 2312. The sampling pipe 232 is connected between the water inlet of the detection container 210 and the water supply pipe 231, and the sampling pipe 232 is provided with a first control valve 2321. One end of the drain pipe 233 is connected to the drain hole of the detection container 210, and the other end extends out of the housing 100, and the other end of the drain pipe 233 is provided with a drain hole 2331, and the drain pipe 233 is provided with a second control valve 2332. On this basis, the control module is respectively connected to the first control valve 2321 and the second control valve 2332, so as to drive and control the opening and closing states and the opening degrees of the two control valves, thereby respectively and correspondingly adjusting the on-off states and the flow rates of the sampling pipeline 232 and the drainage pipeline 233.

Further, as shown in fig. 1, based on the design that the water supply sampling line includes the water supply line 231 and the sampling line 232, in the present embodiment, the sampling line 232 may be preferably connected to the water supply line 231 through a three-way valve 2324.

Further, as shown in fig. 1, based on the design that the water supply sampling pipeline includes the water supply pipeline 231, the sampling pipeline 232 and the water discharge pipeline 233, in the present embodiment, a filter 2322 may be preferably disposed on the sampling pipeline 232, and when the filter 2322 is opened, the water to be detected flowing through the filter 2322 in the sampling pipeline 232 can be filtered, so that the content of impurities such as solids in the water is reduced, and the accuracy of water quality detection is improved. On the basis, the control module is connected to the filter 2322 to drive and control the working state of the filter 2322.

Further, as shown in fig. 1, based on the design of the sampling pipe 232 on which the filter 2322 is disposed, in the present embodiment, the filter 2322 may preferably have a filter bowl 23221 and a filter bowl catch plate 23222.

Further, as shown in fig. 1, based on the design that the water supply sampling pipeline includes the water supply pipeline 231, the sampling pipeline 232 and the water discharge pipeline 233, in the present embodiment, a pressure stabilizing valve 2323 may be preferably disposed on the sampling pipeline 232 to regulate the pressure in the sampling pipeline 232 and provide a pressure stabilizing function. On the basis, the control module is connected to the pressure stabilizing valve 2323 and used for driving and controlling the working state of the pressure stabilizing valve 2323.

Further, as shown in fig. 1, based on the design of the sampling pipeline with the first control valve 2321, in the present embodiment, the first control valve 2321 may be connected to a solenoid valve 431 through a compressed air pipeline 2325, so that compressed air enters the detector 210 through the air source, the solenoid valve 431, the compressed air pipeline 2325 and the first control valve 2321.

Preferably, in the present embodiment, the detection device may preferably include an optical sensor. Specifically, the optical sensor is disposed in the housing 100 and includes a light emitting source and a light sensing device. The light emitting source and the light sensing device are respectively connected to the detection container 210 through the light guide element, the optical sensor is configured to emit detection light through the light emitting source, the detection light is transmitted into the detection container 210 through the light guide element and is selectively absorbed by water to be detected, and the concentration of the detected water quality parameter can be obtained according to the Beer-Lambert Law for the light sensing device to detect the water quality parameter. The light sensing device can automatically receive light waves emitted by detected water, the light waves are processed and analyzed through the main control panel 310 to achieve automatic display and transmission to a user, and on the basis, the processing and analysis at least comprises the steps of automatically calculating the concentration of a substance to be measured in the water, displaying and transmitting to the user. Wherein, in the water quality parameters, the optical sensor can be respectively used for detecting the content of the oxidation substances, the content of polycyclic aromatic hydrocarbon and turbidity. Furthermore, the detection device may comprise other types of sensors for detecting other parameters of the water quality parameters, such as pH sensors, salinity and conductivity sensors, etc.

Further, as shown in fig. 1, based on the design that the detection device includes an optical sensor, in the present embodiment, the light guide element may preferably be a light guide fiber, and the light guide element may preferably include an incident light transmission fiber and a received light transmission fiber 223. In addition, other types of sensors may be connected to the detection container 210 by a conductive element (e.g., a wire), a conductive device (e.g., a pipe), or the like, or disposed in the detection container 210, and are not limited to the present embodiment.

Further, based on the design that the detection device includes the optical sensor, in the present embodiment, the light emitting source and the light sensing device of the optical sensor may be preferably disposed on the main control board 310 of the control module. In other embodiments, the light emitting source and the light sensing device may also be disposed within the housing 100. In addition, other types of sensors may be provided on the main control board 310, or may be provided in the detection container 210 or the housing 100, which is not limited to the present embodiment.

Further, based on the design that the detection device comprises an optical sensor, in the present embodiment, the light emitting source may preferably be an LED light source. In other embodiments, the light source may also be other types of light emitting elements, and is not limited to the present embodiment.

Further, based on the design that the detection device includes an optical sensor, in the present embodiment, the light sensing device may preferably be a photodiode. In other embodiments, the light sensing device may also be selected from other types of light sensing elements, and is not limited to the present embodiment.

Further, based on the design that the detection device includes the optical sensor, in the present embodiment, the light emitting source of the optical sensor may preferably be capable of emitting detection light of different wavelengths, and the light sensing device of the optical sensor may be capable of coping with the reception detection of the detection light of different wavelengths. Taking the water quality parameters to be detected including the content of the oxidizing substance, the content of the polycyclic aromatic hydrocarbon and the turbidity as examples, the light emitting source can emit detection light rays in three wavelength ranges, namely a first detection light ray with the wavelength of 480 nm-600 nm, a second detection light ray with the wavelength of 100 nm-400 nm and a third detection light ray with the wavelength of 780 nm-920 nm. In view of the above, optical sensor detects the quality of water parameter through first detection light and is the content of the oxidation material of water, detects the quality of water parameter through the second and is the content of the polycyclic aromatic hydrocarbon of water, detects the quality of water parameter through the third and is the turbidity of water. The optical sensor can meet the detection requirements of different water quality parameters by adjusting different wavelengths of detection light rays emitted by the light emitting source under the control of the control system.

In other embodiments, for the detection requirement of realizing the multiple quality of water parameter that needs optical detection, the utility model provides a vertical detection device can also contain a plurality of optical sensor. Taking the water quality parameters to be detected including the content of the above-mentioned oxidizing substances, the content of polycyclic aromatic hydrocarbons, and the turbidity as an example, the plurality of optical sensors may be a first optical sensor, a second optical sensor, and a third optical sensor, respectively. Specifically, the water quality parameter that can be used by the first optical sensor is the content of the oxidizing substance in the water, and the wavelength of the first detection light emitted by the light emitting source is 480nm to 600 nm. The second optical sensor can be used for detecting the polycyclic aromatic hydrocarbon content of water as a water quality parameter, and the wavelength of second detection light emitted by the light emitting source is 100 nm-400 nm. The third optical sensor can be used for detecting the water quality parameter of water turbidity (including TDS and TSS), and the light source of the third optical sensor emits third detection light with the wavelength of 780 nm-920 nm.

Further, in the present embodiment, based on the design that the optical sensor can emit the detection light beams in three different wavelength ranges, in the present embodiment, the angle between the incident light beam entering the detection container 210 and the emergent light beam exiting the detection container 210 is 180 ° between the first detection light beam emitted by the light source of the optical sensor.

Further, in the present embodiment, based on the design that the optical sensor can emit the detection light beams in three different wavelength ranges, in the present embodiment, the angle between the incident light beam entering the detection container 210 and the emergent light beam exiting the detection container 210 is 45 ° to 180 °, for example, 45 °, 60 °, 90 °, 120 °, 180 ° or the like, of the second detection light beam emitted by the light emitting source of the optical sensor.

Further, in the present embodiment, based on the design that the optical sensor can emit the detection light beams in three different wavelength ranges, in the present embodiment, the angle between the incident light beam entering the detection container 210 and the emergent light beam exiting the detection container 210 is 45 ° to 180 °, for example, 45 °, 60 °, 90 °, 120 °, 180 ° or the like, of the third detection light beam emitted by the light emitting source of the optical sensor. In the present embodiment, the angle of the third detection beam may be, but is not limited to, equal to the angle of the second detection beam.

Further, as shown in fig. 1, based on the design that the above-mentioned angle of the second detection light is equal to the above-mentioned angle of the third detection light, in the present embodiment, the second detection light and the third detection light may preferably share one light guide element to be incident from the light emission source to the detection container 210, the first detection light may be incident to the detection container 210 using another light guide element, and the three detection lights may share one light guide element to be emitted from the detection container 210 to the light sensing device. That is, in the present embodiment, the optical sensor may preferably include two incident transmission fibers, which are the first incident light transmission fiber 221 and the second incident light transmission fiber 222 shown in fig. 1, respectively, and one receiving transmission fiber.

Further, based on the design that the water quality parameters that the optical sensor can detect include the content of polycyclic aromatic hydrocarbons of water and the turbidity of water, in the present embodiment, the optical sensor may preferably include a light intensity enhancing device. Specifically, the light intensity enhancing device may be provided on the light propagation path of the second detection light and the third detection light for detecting the above-mentioned two water quality parameters. The light intensity enhancing device may be, but is not limited to, a concave reflector. Through the above design, the utility model discloses can utilize light intensity reinforcing device reinforcing second to detect light and the third to detect the light intensity that light penetrated into detection container 210.

Preferably, as shown in fig. 1, in the present embodiment, the detection means may further preferably comprise a salinity and conductivity detection module 224, and the salinity and conductivity detection module 224 may preferably comprise a salinity sensor and a conductivity sensor. Specifically, the salinity sensor is arranged in the shell and connected to the water supply sampling pipeline, and the salinity sensor can detect the salinity of the water to be detected flowing through the water supply sampling pipeline. The conductivity sensor is arranged in the shell and connected to the water supply sampling pipeline, and can detect the conductivity of the water to be detected flowing through the water supply sampling pipeline.

Further, as shown in fig. 1, the salinity and conductivity detection module 224 may also preferably be provided with a fitting 225 and a crystal 226 in this embodiment, and may preferably be mounted within the housing 100 by a bracket 227, based on the design of the detection means including the salinity and conductivity detection module 224.

Preferably, as shown in fig. 1, in the present embodiment, the water quality detecting device provided by the present invention may further preferably include a cleaning module. Specifically, the cleaning module is disposed within the housing 100, and includes a cleaning solution container, a cleaning line 420, and a cleaning pump 430. The cleaning liquid container is used for containing cleaning liquid. The cleaning line 420 communicates between the detection container 210 and the cleaning solution container. The purge pump 430 is disposed on the purge line 420. The control system is connected to the cleaning pump 430, and the control system can periodically determine whether the water quality parameters detected by the detection module are affected by the scale and oil stains in the detection container 210 to generate errors, so as to control the cleaning pump 430 to provide power to convey the cleaning liquid to the detection container 210. Through the design, the cleaning module can squeeze cleaning agent into the detection cavity through the cleaning pump 430, and simultaneously, the cleaning agent can be fully mixed with water to be flushed by controlling the detection cavity to intake water intermittently, so that the purpose of soaking and flushing is achieved.

Further, as shown in fig. 1, based on the design that the water quality monitoring device includes a cleaning module, in the present embodiment, the cleaning solution container may preferably include a first container 411 and a second container 412. Specifically, the first container 411 is disposed in the housing 100 for containing a cleaning agent. The second container 412 is disposed in the housing 100 for containing a buffer solution. The cleaning tube 420 is connected to the first container 411 and the second container 412, and the cleaning pump 430 can be controlled by the control system to deliver the cleaning agent and the buffer solution to the detection container 210 according to a preset ratio. In addition, the first container 411 and the second container 412 may be respectively provided with a filling port, so that a user can fill the cleaning agent and the buffer solution conveniently.

Further, based on the design of the cleaning module including the wash pump 430, in the present embodiment, the wash pump 430 may preferably be a micro-scale constant output pump. In other embodiments, the purge pump 430 may also be another type of pump set, and is not limited to this embodiment.

Further, based on the design that the cleaning module comprises the cleaning solution container and the cleaning pump 430, and based on the design that the housing 100 has the first cavity 110 and the second cavity 120 which are relatively independent, in the present embodiment, the cleaning solution container may be preferably disposed in the first cavity 110, the cleaning pump 430 may be preferably disposed in the second cavity 120, and the cleaning pipeline 420 may be disposed between the first cavity 110 and the second cavity 120, so as to communicate the cleaning solution container and the detection container 210 respectively located in the two cavities with the cleaning pump 430.

Preferably, as shown in fig. 1 and 2, in the present embodiment, the control system may preferably include a main control panel 310 and a user interface 320. Specifically, the main control board 310 is disposed in the housing 100 and connected to the detection device and the valve on the water supply sampling pipeline, respectively, for controlling the detection device and the valve, and for extracting and processing the water quality parameters. The user interface 320 is connected to the main control board 310 in a wireless manner.

Further, as shown in fig. 2, the user interface 320 may preferably be built in a touch pad in the present embodiment, based on the design that the control system includes the main control board 310 and the user interface 320. Also, a card slot may be preferably provided outside the housing 100 for placing the touch pad. In other embodiments, the user interface 320 may also employ other types of portable electronic devices as carriers. In addition, the wireless connection between the user interface 320 and the main control board 310 may be implemented by a WIFI wireless network, infrared rays, electromagnetic waves, or the like, which is not limited to this embodiment.

Preferably, as shown in fig. 1, in the present embodiment, a drain valve 101 may be further preferably disposed on the housing 100, and the drain valve 101 is disposed at the bottom of the housing 100 and is communicated with the outside, so that when accumulated water exists in the housing 100, the accumulated water in the housing 100 can be drained through the drain valve 101 by opening the drain valve 101.

Preferably, as shown in fig. 1, in the present embodiment, a back pressure valve 102 may also be preferably disposed in the housing 100, and the back pressure valve 102 can be used to adjust the pressure in the pipeline (e.g., the sampling pipeline 232), so that the sampling of the sampling pipeline 232 is more reliable.

Further, as shown in fig. 1, based on the design of the back pressure valve 102, in the present embodiment, the back pressure valve 102 may be preferably disposed inside the casing 100 through a bracket 1021.

Preferably, as shown in fig. 1, in the present embodiment, the housing 100 may also be preferably provided with a stuffing box 104, and the stuffing box 104 can be used as a fixing device for fixing the device cable when being introduced into the housing 100.

Preferably, as shown in fig. 2, in the present embodiment, the housing 100 may also be preferably provided with a copper pipe joint 106, and the copper pipe joint 106 is exposed at a side surface (for example, a right side surface shown in the drawing) of the housing 100. One end of the copper pipe joint 106 is connected to each electromagnetic valve set and the compressed air pipeline 2325 in the housing 100, and the other end is externally connected to the pneumatic valve set, and the driving valve set can be connected to a plurality of sampling port pipelines. Therefore, the electromagnetic valve group can control the action of the pneumatic valve group, and different sampling port pipelines can be selected.

Preferably, as shown in fig. 3, in the present embodiment, a steel pipe joint 103 may be further preferably disposed on the housing 100, and the steel pipe joint 103 is exposed at another side surface (for example, a left side surface shown in the drawing) of the housing 100. The steel pipe joint 103 can be used as an input port of an external air source.

Preferably, as shown in fig. 3, in the present embodiment, the housing 100 may also be preferably provided with a silencer 107, and the silencer 107 may be provided on the other side surface (for example, the left side surface shown in the drawing) of the housing 100, and may be preferably arranged side by side with the steel pipe joint 103. The muffler 107 can serve as a gas discharge port during switching of the solenoid valve block.

Further, as shown in fig. 4, based on the design of providing the steel pipe joint 103 and the silencer 107 on the casing 100, in the present embodiment, the steel pipe joint 103 and the silencer 107 may be preferably provided on the casing 100 through the air passage connection block 108, and the air passage connection block 108 may be preferably provided with a gasket 109.

Preferably, as shown in fig. 1, in the present embodiment, a mounting plate 111 may be preferably disposed in the first cavity 110 of the housing 100, and the mounting plate 111 is fixed to a wall of the first cavity 110 and is capable of mounting and arranging various devices and pipelines.

Preferably, as shown in fig. 2, in the present embodiment, first opening/closing door 130 and second opening/closing door 140 are openably and closably attached to housing 100, preferably by hinges 131.

Preferably, as shown in fig. 3, in the present embodiment, first switching door 130 and second switching door 140 may be preferably provided with door lock 132, respectively.

Preferably, as shown in fig. 3, in the present embodiment, first switching door 130 and second switching door 140 may be preferably provided with sealing gaskets 133, respectively, to facilitate sealing gaskets 133 between first switching door 130 and housing 100 and between second switching door 140 and housing 100 when first switching door 130 and second switching door 140 are closed, respectively.

Preferably, as shown in fig. 3, in the present embodiment, the first opening and closing door 130 may be preferably provided with a document tray 134.

It should be noted herein that the water quality testing devices shown in the drawings and described in the present specification are only a few examples of the many kinds of water quality testing devices that can employ the principles of the present invention. It should be clearly understood that the principles of the present invention are in no way limited to any of the details of the water quality testing device or any of the components of the water quality testing device shown in the drawings or described in the specification.

To sum up, the utility model provides a water quality testing device contains shell, detection module and control module. The detection module comprises a detection container and at least one detection device. The detection container is communicated with a water supply sampling pipeline which is used for conveying water to be detected. The detection device is connected with the detection container or the water supply sampling pipeline and is respectively used for detecting various water quality parameters of water to be detected, and the various water quality parameters comprise at least one of salinity, conductivity, content of oxidizing substances, content of polycyclic aromatic hydrocarbon and turbidity. The control module is used for controlling the detection device and the valve and extracting and processing the water quality parameters. Through the above design, the utility model provides a water quality testing device need not realize the function of on-line measuring for the people is taken a sample, can provide reliable data for the user and administer as solving water pollution and provide the scientific foundation, the utility model discloses carry out automatic quick sample analysis through the water to flowing with the help of computer technology and sensor technology, degree of automation is higher, can realize on-line measuring.

Exemplary embodiments of a water quality detection device according to the present invention are described and/or illustrated in detail above. Embodiments of the invention are not limited to the specific embodiments described herein, but rather, components and/or steps of each embodiment may be utilized independently and separately from other components and/or steps described herein. Each component and/or step of one embodiment can also be used in combination with other components and/or steps of other embodiments. When introducing elements/components/etc. described and/or illustrated herein, the articles "a," "an," and "the" are intended to mean that there are one or more of the elements/components/etc. The terms "comprising," "including," and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc. Furthermore, the terms "first" and "second" and the like in the claims and the description are used merely as labels, and are not numerical limitations of their objects.

While the water quality testing apparatus of the present invention has been described in terms of various specific embodiments, those skilled in the art will recognize that the invention can be practiced with modification within the spirit and scope of the claims.

Claims (14)

1. A water quality detection device, characterized in that the water quality detection device comprises:

a housing;

a detection module comprising:

the detection container is arranged in the shell, and is communicated with a water supply sampling pipeline which is used for conveying water to be detected into the detection container; and

the detection device is connected with the detection container or the water supply sampling pipeline and is respectively used for detecting various water quality parameters of the water to be detected, and the various water quality parameters comprise at least one of salinity, conductivity, content of oxidizing substances, pH value, content of polycyclic aromatic hydrocarbon and turbidity; and

and the control module is arranged in the shell, is respectively connected with the detection device and the valve on the water supply sampling pipeline, is used for controlling the detection device and the valve and is used for extracting and treating water quality parameters.

2. The water quality detection device according to claim 1, wherein a first cavity and a second cavity which are relatively independent are arranged in the shell, the detection container is arranged in the first cavity, and the control module is arranged in the second cavity.

3. The water quality detection device of claim 2, wherein the first cavity is located below the second cavity; and/or, the shell is provided with open closed first switch door and second switch door, first switch door with the second switch door respectively corresponding to first cavity with the second cavity, first switch door with the second switch door is provided with the observation window respectively or is made by transparent material respectively.

4. The water quality detecting apparatus according to claim 1, wherein the water supply sampling pipe comprises:

the water supply pipeline is arranged in the shell, two ends of the water supply pipeline respectively extend out of the shell, and two ends of the water supply pipeline are respectively provided with a water inlet and a backflow port;

the sampling pipeline is communicated between the water inlet hole of the detection container and the water supply pipeline, and a first control valve is arranged on the sampling pipeline; and

one end of the drainage pipeline is communicated with the drainage hole of the detection container, the other end of the drainage pipeline extends out of the shell, a drainage port is formed in the other end of the drainage pipeline, and a second control valve is arranged on the drainage pipeline;

wherein the control module is connected to the first control valve and the second control valve, respectively.

5. The water quality detection device of claim 4, wherein a filter is arranged on the sampling pipeline, and the control module is connected to the filter; and/or a pressure stabilizing valve is arranged on the sampling pipeline, and the control module is connected with the pressure stabilizing valve.

6. The water quality detection device according to claim 1, wherein the detection device comprises an optical sensor, the optical sensor is disposed in the housing and comprises a light emitting source and a light sensing device, the light emitting source and the light sensing device are respectively connected to the detection container through a light guide element, the optical sensor is configured to emit a detection light through the light emitting source, the detection light is transmitted into the detection container through the light guide element and selectively absorbed by the water to be detected, and the concentration of the detected water quality parameter can be obtained according to the lambert-beer law for the light sensing device to detect the water quality parameter.

7. The water quality detecting apparatus according to claim 6, wherein the light guide member comprises an incident light transmitting fiber and a received light transmitting fiber; and/or the light emitting source and the light sensing device are arranged on a main control board of the control module.

8. The water quality detecting apparatus according to claim 6, characterized in that:

the detection light emitted by the light emitting source at least comprises three wavelength ranges, namely a first detection light with the wavelength of 480 nm-600 nm, a second detection light with the wavelength of 100 nm-400 nm and a third detection light with the wavelength of 780 nm-920 nm; the optical sensor detects the water quality parameter through the first detection light as the content of the oxidizing substances in the water, detects the water quality parameter through the second detection light as the content of the polycyclic aromatic hydrocarbons in the water, and detects the water quality parameter through the third detection light as the turbidity of the water; or

The optical sensor comprises at least one of a first optical sensor, a second optical sensor and a third optical sensor; the wavelength of first detection light of the first optical sensor is 480 nm-600 nm, the water quality parameter detected by the first optical sensor is the content of an oxidizing substance in water, the wavelength of second detection light of the second optical sensor is 100 nm-400 nm, the water quality parameter detected by the second optical sensor is the content of polycyclic aromatic hydrocarbon in water, the wavelength of third detection light of the third optical sensor is 780 nm-920 nm, and the water quality parameter detected by the third optical sensor is the turbidity of water.

9. The water quality detecting apparatus according to claim 8, wherein an angle between an incident ray of the first detection ray of the optical sensor into the detection vessel and an exit ray of the first detection ray out of the detection vessel is 180 °; and/or the angle between the incident light of the second detection light of the optical sensor entering the detection container and the emergent light of the second detection light of the optical sensor exiting the detection container is 45-180 degrees; and/or the angle between the incident light of the third detection light of the optical sensor entering the detection container and the emergent light of the third detection light of the optical sensor exiting the detection container is 45-180 degrees.

10. The water quality detecting apparatus according to claim 8, wherein the optical sensor further comprises a light intensity enhancing device disposed on a light beam propagation path of the second and third detection lights, the light intensity enhancing device being configured to enhance light intensities of the second and third detection lights.

11. The water quality detecting apparatus according to claim 1, wherein the detecting device comprises:

a salinity sensor disposed within the housing and connected to the water supply sampling line, the salinity sensor configured to detect salinity of water to be detected flowing within the water supply sampling line; and/or

The conductivity sensor is arranged in the shell and connected to the water supply sampling pipeline, and is configured to detect the conductivity of the water to be detected flowing through the water supply sampling pipeline.

12. The water quality detecting apparatus according to claim 1, further comprising:

a cleaning module disposed within the housing, the cleaning module comprising:

a cleaning liquid container for containing a cleaning liquid;

the cleaning pipeline is communicated between the detection container and the cleaning liquid container; and

the cleaning pump is arranged on the cleaning pipeline;

the control module is connected to the cleaning pump and is configured to judge whether the water quality parameters detected by the detection module are influenced by scale and oil stains in the detection container at regular time to generate errors, so that the cleaning pump is controlled to provide power to convey the cleaning liquid to the detection container.

13. The water quality detecting apparatus according to claim 12, wherein the cleaning liquid container comprises:

the first container is arranged in the shell and used for containing a cleaning agent; and

the second container is arranged in the shell and used for containing buffer solution;

wherein the cleaning pipeline is respectively communicated with the first container and the second container, and the cleaning pump is configured to be controlled by the control module to deliver cleaning medicament and buffer solution to the detection container according to a preset quantitative ratio.

14. The water quality detecting apparatus according to claim 1, wherein the control module comprises:

the main control board is arranged in the shell, is respectively connected with the detection device and the valve on the water supply sampling pipeline, is used for controlling the detection device and the valve and is used for extracting and processing water quality parameters; and

and the user interface is connected with the main control panel in a wireless connection mode.

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