CN219608904U - Water quality monitor calibration device - Google Patents

Abstract

The utility model provides a water quality monitor calibration device, which relates to the technical field of water quality monitor calibration, and comprises: a standard solution container, a pressure regulating device, a pressurized circulating pipeline and a standard instrument detector; the standard solution container is in fluid communication with the pressurized circulation pipeline; the pressure regulating device is arranged on the pressurized circulating pipeline and is used for regulating the internal pressure of the pressurized circulating pipeline; the pressurized circulating pipeline is used for detachably installing the water quality monitor, the standard instrument detector is installed on the pressurized circulating pipeline, and the standard instrument detector is used for detecting the nominal value of the standard solution in the pressurized circulating pipeline. The water quality monitor calibration device provided by the utility model can realize the calibration of the water quality monitor under the working environment with pressure, and avoid the deviation of the calibration result caused by different working environment pressures.

Description

Water quality monitor calibration device

Technical Field

The utility model relates to the technical field of water quality monitor calibration, in particular to a water quality monitor calibration device.

Background

The water quality monitor is one for monitoring pH value, turbidity, residual chlorine, temperature and other parameters of water, and is used in monitoring drinking water, industrial sewage, city life water, etc. and is installed in the end of water supply network, the outlet of sewage pipeline, etc. In order to ensure accurate measurement results of the water quality monitor, the water quality monitor needs to be calibrated regularly. The water quality monitor installed in the water supply pipe network works under the environment with pressure, however, most calibration devices are used for loading standard solution into calibration bottles, measuring a nominal value under normal pressure and calibrating the water quality monitor by the nominal value. Because of the influence of water pressure on the calibration result, the calibration accuracy of the water quality monitor has deviation.

Disclosure of Invention

The utility model aims to provide a water quality monitor calibration device so as to solve the technical problem that the calibration result of a water quality monitor is deviated due to different working environment pressures.

In a first aspect, the present utility model provides a calibration device for a water quality monitor, comprising: a standard solution container, a pressure regulating device, a pressurized circulating pipeline and a standard instrument detector;

the standard solution container is in fluid communication with the pressurized circulation conduit;

the pressure regulating device is arranged on the pressurized circulating pipeline and is used for regulating the internal pressure of the pressurized circulating pipeline;

the pressurized circulating pipeline is used for detachably installing a water quality monitor, the standard instrument detector is installed in the pressurized circulating pipeline, and the standard instrument detector is used for detecting the nominal value of the standard solution in the pressurized circulating pipeline.

With reference to the first aspect, the present utility model provides a first possible implementation manner of the first aspect, wherein a liquid pump is installed between the pressurized circulation pipeline and the water quality monitor.

With reference to the first aspect, the present utility model provides a second possible implementation manner of the first aspect, wherein a filter is installed between the pressurized circulation pipeline and the water quality monitor, and the filter is located at a water inlet end of the water quality monitor.

With reference to the first aspect, the present utility model provides a third possible implementation manner of the first aspect, wherein the water quality monitor is mounted on a monitoring pipeline, and the monitoring pipeline is connected in parallel and in fluid communication with the pressurized circulation pipeline.

With reference to the third possible implementation manner of the first aspect, the present utility model provides a fourth possible implementation manner of the first aspect, wherein a first control valve is installed at a liquid inlet end of the monitoring pipeline.

With reference to the third possible implementation manner of the first aspect, the present utility model provides a fifth possible implementation manner of the first aspect, wherein a second control valve is installed at the liquid outlet end of the monitoring pipeline.

With reference to the first aspect, the present utility model provides a sixth possible implementation manner of the first aspect, wherein the water quality monitor has a measurement box, and a temperature sensor, a turbidity sensor, a residual chlorine sensor, a pH sensor and a pressure sensor are installed inside the measurement box.

With reference to the sixth possible implementation manner of the first aspect, the present utility model provides a seventh possible implementation manner of the first aspect, wherein the exhaust valve is mounted on the measurement box.

With reference to the sixth possible implementation manner of the first aspect, the present utility model provides an eighth possible implementation manner of the first aspect, wherein the measuring box adopts a light-resistant and corrosion-resistant box body.

With reference to the first aspect, the present utility model provides a ninth possible implementation manner of the first aspect, wherein the standard solution container is a lightproof and corrosion resistant container.

The embodiment of the utility model has the following beneficial effects: the standard solution container is in fluid communication with the pressurized circulating pipeline, the pressure regulating device is arranged on the pressurized circulating pipeline, the internal pressure of the pressurized circulating pipeline is regulated through the pressure regulating device, the pressurized circulating pipeline is detachably provided with the water quality monitor, the standard instrument detector is arranged on the pressurized circulating pipeline, the standard value of the standard solution in the pressurized circulating pipeline is detected through the standard instrument detector, the water quality monitor can be calibrated under the pressurized working environment, and the calibration result is prevented from being deviated due to different working environment pressures.

In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the related art, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described, and it is apparent that the drawings in the description below are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic diagram of a calibration device for a water quality monitor according to an embodiment of the present utility model.

Icon: 001-standard solution container; 002-pressure regulating means; 003-circulation pipeline with pressure; 004-standard instrument detector; 005-liquid pump; 006-a filter; 007-monitoring the tubing; 008-a first control valve; 009-a second control valve; 010-water quality monitor.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Physical quantities in the formulas, unless otherwise noted, are understood to be basic quantities of basic units of the international system of units, or derived quantities derived from the basic quantities by mathematical operations such as multiplication, division, differentiation, or integration.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, a calibration device for a water quality monitor according to an embodiment of the present utility model includes: a standard solution container 001, a pressure regulating device 002, a pressurized circulating pipeline 003 and a standard instrument detector 004; the standard solution container 001 is in fluid communication with the pressurized circulation line 003; the pressure regulating device 002 is installed on the pressurized circulation pipeline 003, and the pressure regulating device 002 is used for regulating the internal pressure of the pressurized circulation pipeline 003; the pressurized circulation pipeline 003 is used for detachably mounting the water quality monitor 010, the standard instrument detector 004 is mounted on the pressurized circulation pipeline 003, and the standard instrument detector 004 is used for detecting the nominal value of the standard solution in the pressurized circulation pipeline 003.

Specifically, the standard instrument detector 004 corresponds to the function of the water quality monitor 010, and has the function of detecting parameters such as pH value, turbidity, residual chlorine, temperature and the like. When the water quality monitor 010 is calibrated, the pressure regulating device 002 is used for regulating the water pressure of the calibration environment, so that the water pressure in the pressure circulating pipeline 003 can be kept constant, the measured values of the standard instrument detector 004 and the water quality monitor 010 are compared, the water quality monitor 010 is calibrated, the calibration of the water quality monitor 010 can be realized under the pressure working environment, and the deviation of the calibration result due to the different working environment pressures is avoided.

In the embodiment of the utility model, a liquid pump 005 is arranged between the pressurized circulating pipeline 003 and the water quality monitor 010. The liquid in the circulation pipeline 003 with pressure can be driven to flow through the water quality monitor 010 by the liquid pump 005, and the flow rate of the standard solution flowing through the water quality monitor 010 can be adjusted by the liquid pump 005, so that the calibration operation is performed within a specific flow rate range.

Further, a filter 006 is installed between the pressurized circulation pipeline 003 and the water quality monitor 010, and the filter 006 is positioned at the water inlet end of the water quality monitor 010.

Wherein, filter 006 can filter the impurity in the water, reduces interference factor, avoids impurity to influence the test result of water quality monitor 010, improves measurement accuracy.

Further, a water quality monitor 010 is mounted to the monitoring pipe 007, and the monitoring pipe 007 is connected in parallel and fluid communication with the pressurized circulation pipe 003. Wherein, monitoring pipeline 007 can adopt ring flange or screw-thread fit to realize can dismantle with the circulation pipeline 003 that presses to be connected, from this optional adaptation is applicable to the monitoring pipeline 007 of different interface specifications, can lead in the monitoring pipeline 007 with the water pressure in the circulation pipeline 003 that presses to make the standard solution that presses flow through water quality monitor 010, and then realize the test of pressing and mark water quality monitor 010 that presses.

Further, the first control valve 008 is installed at the liquid inlet end of the monitoring pipe 007, and the open/close state of the liquid inlet end of the monitoring pipe 007 can be adjusted by controlling the first control valve 008 to be opened/closed.

Further, the second control valve 009 is installed at the liquid outlet end of the monitoring pipe 007, and the open/close state of the liquid outlet end of the monitoring pipe 007 can be adjusted by controlling the second control valve 009 to be opened/closed.

Before calibration starts, the second control valve 009 is opened, and then the first control valve 008 is opened, so that the construction of the circulation waterway from the monitoring pipeline 007 to the pressure circulation pipeline 003 is realized. After the calibration is finished, the liquid pump 005 should be stopped, and then the first control valve 008 and the second control valve 009 are closed, so as to avoid damage to the liquid pump 005 caused by idle running.

Further, the water quality monitor 010 has a measurement box in which a temperature sensor, a turbidity sensor, a residual chlorine sensor, a pH sensor, and a pressure sensor are installed. The pressure sensor can monitor the water pressure inside the measuring box to prevent the water pressure from exceeding the bearable range of the measuring box.

Further, the exhaust valve is arranged on the measuring box, so that the air in the measuring box can be discharged in an accelerating way through the exhaust valve, and the interference of the control in the cavity body to the measuring accuracy of the water quality monitor 010 is reduced.

In addition, the measuring box adopts a light-proof and corrosion-resistant box body, so that the measuring box can be prevented from being corroded by the standard solution, the influence of external light on the state of the standard solution can be avoided, and the uniform and stable state of the standard solution is ensured.

Furthermore, the standard solution container 001 adopts a lightproof and corrosion-resistant container, so that the standard solution container 001 can be prevented from being corroded by the standard solution, the solution in the standard solution container 001 can be ensured to be kept stable, and the condition that external light influences the solution is avoided.

The water quality monitor calibration device provided by the embodiment can calibrate the water quality monitor 010 under the environment with pressure, comprehensively considers the influence of water pressure and solution state on the accuracy of the calibration result of the water quality monitor 010, has novel overall structure, is easy to construct, is convenient and simple to operate, and is suitable for dynamically calibrating the water quality monitor 010 under the environment with pressure.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. A water quality monitor calibration device, comprising: a standard solution container (001), a pressure regulating device (002), a pressurized circulating pipeline (003) and a standard instrument detector (004);

the standard solution container (001) is in fluid communication with the pressurized circulation line (003);

the pressure regulating device (002) is arranged on the pressure circulating pipeline (003), and the pressure regulating device (002) is used for regulating the internal pressure of the pressure circulating pipeline (003);

the pressurized circulating pipeline (003) is used for detachably mounting the water quality monitor (010), the standard instrument detector (004) is mounted on the pressurized circulating pipeline (003), and the standard instrument detector (004) is used for detecting the nominal value of the standard solution in the pressurized circulating pipeline (003).

2. The water quality monitor calibration device according to claim 1, characterized in that a liquid pump (005) is installed between the pressurized circulation pipeline (003) and the water quality monitor (010).

3. The water quality monitor calibration device according to claim 1, wherein a filter (006) is installed between the pressurized circulation pipeline (003) and the water quality monitor (010), and the filter (006) is located at the water inlet end of the water quality monitor (010).

4. The water quality monitor calibration device of claim 1, wherein the water quality monitor (010) is mounted to a monitoring conduit (007), the monitoring conduit (007) being in parallel and fluid communication with the pressurized circulation conduit (003).

5. The water quality monitor calibration device of claim 4, wherein the liquid inlet end of the monitoring pipe (007) is provided with a first control valve (008).

6. The water quality monitor calibration device according to claim 4, wherein the outlet end of the monitoring pipe (007) is provided with a second control valve (009).

7. The water quality monitor calibration device according to claim 1, wherein the water quality monitor (010) has a measurement box, and a temperature sensor, a turbidity sensor, a residual chlorine sensor, a pH sensor, and a pressure sensor are installed inside the measurement box.

8. The water quality monitor calibration device of claim 7, wherein the measurement box is provided with an exhaust valve.

9. The water quality monitor calibration device of claim 7, wherein the measurement box is a light-resistant and corrosion-resistant box.

10. The water quality monitor calibration device according to claim 1, wherein the standard solution container (001) is a light-proof and corrosion-resistant container.