CN219302336U - Conductivity sensor and water content measuring device - Google Patents

Abstract

The application provides a conductivity sensor and water content measuring device, wherein conductivity sensor includes barrel and detecting element, detecting element is in along first direction set up two at least on the outer wall of barrel, form in the barrel and wait to detect liquid flow channel, detecting element is used for detecting wait to detect the conductivity of liquid. Through setting up the barrel to make the inside liquid flow channel that waits to detect that forms of barrel, with the liquid that waits to detect in the conductivity cell flows in the barrel, the liquid that waits to detect that flows in the barrel is more even in the liquid concentration that waits to detect in the conductivity cell, and the water content testing result is more accurate, sets up a plurality of detecting element at the outer wall of barrel simultaneously, and a plurality of detecting element can wait to detect the water content of solution simultaneously and measure, and then can provide stable data support for hydrofluoric acid production, satisfies the requirement that hydrofluoric acid factory detected moisture.

Description

Conductivity sensor and water content measuring device

Technical Field

The application belongs to the technical field of sensors, and particularly relates to a conductivity sensor and a water content measuring device.

Background

In the early days, the water content of the liquid to be detected is measured mainly by sampling and sending to a laboratory for distillation separation or centrifugal separation. However, due to the complicated operation of the sampling assay method, the data information acquisition delay and other factors, the change of the water content in the product being produced cannot be reflected in real time. Therefore, the real-time online water content measuring device is increasingly urgent in demand, various scientific research institutions and enterprises search for water content monitoring in many aspects, and various methods such as a conductivity method, a capacitance method, an infrared method, a ray method, a radio frequency attenuation method, a microwave resonance method and a microwave transmission line method are respectively adopted to measure the water content of the liquid to be detected.

However, the existing online water content measurement method is to monitor local water content, the concentration of the liquid to be detected is uneven, and the condition of the overall water content of the liquid to be detected cannot be represented.

Disclosure of Invention

Therefore, the technical problem to be solved by the application is to provide a conductivity sensor and a water content measuring device, wherein a liquid flow channel to be detected is formed in a cylinder of the conductivity sensor, and a plurality of detection units are arranged on the cylinder to detect liquid to be detected simultaneously, so that the accuracy of detection results is improved.

To solve the above-mentioned problem, the present application provides a conductivity sensor in one aspect, including barrel and detecting element, detecting element is along first direction at least two sets up on the outer wall of barrel, form in the barrel and wait to detect liquid flow channel, detecting element is used for detecting wait to detect the conductivity of liquid.

Optionally, at least two detection units are arranged coplanar with the central axis of the cylinder.

Optionally, the conductivity sensor further comprises a connecting part, the connecting part comprises a sensor base and a connecting piece, the sensor base is arranged on the outer wall of the cylinder body along the first direction, and the connecting piece is sleeved on the detecting unit and detachably connected with the sensor base.

Optionally, the sensor base and the connecting piece are provided with through holes, the through holes penetrate through the outer wall of the cylinder body, which is close to the sensor base, along the axial direction of the sensor base, and the detection unit is inserted into the cylinder body through the through holes.

Optionally, the detection unit is arranged in line with the central axes of the sensor base and the connecting piece.

Optionally, the conductivity sensor further includes a sealing gasket, the sealing gasket is annular, and the sealing gasket is disposed between the outer wall of the detection unit and the inner wall of the connection portion.

Optionally, the conductivity sensor further comprises flanges, and the flanges are arranged at two ends of the cylinder.

Optionally, the detection unit includes a first section and a second section, the first section is connected with the second section, and the first section is the same as the second section in material.

Optionally, the first section and the second section are made of platinum materials.

In another aspect of the present application, a water content measuring device is provided, including a conductivity sensor as described in any one of the above, and further including a detection device, where the detection device is electrically connected to the detection unit.

Advantageous effects

According to the conductivity sensor and the water content measuring device provided by the embodiment of the utility model, the conductivity sensor is provided with the cylinder, and the inside of the cylinder is provided with the liquid flow channel to be detected, so that the liquid to be detected in the conductivity cell flows in the cylinder, the concentration of the liquid to be detected flowing in the cylinder is more uniform than that of the liquid to be detected in the conductivity cell, the water content measuring result is more accurate, and meanwhile, the outer wall of the cylinder is provided with the plurality of measuring units, the water content of the solution to be detected can be measured at the same time by the plurality of measuring units, and stable data support can be provided for hydrofluoric acid production, so that the requirement of a hydrofluoric acid factory on water content detection is met.

Drawings

Fig. 1 is a schematic structural diagram of a conductivity sensor according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a detection unit according to an embodiment of the present application.

The reference numerals are expressed as:

1. a cylinder; 2. a detection unit; 21. a first section; 22. a second section; 3. a sensor base; 4. a connecting piece; 5. and a sealing gasket.

Detailed Description

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify 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 utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 can be understood by those of ordinary skill in the art according to the specific circumstances.

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1 to 2 in combination, according to an aspect of the embodiments of the present application, there is provided a conductivity sensor including a cylinder 1 and a detection unit 2, the detection unit 2 is provided at least two on an outer wall of the cylinder 1 along a first direction, a liquid flow channel to be detected is formed in the cylinder 1, and the detection unit 2 is used for detecting conductivity of the liquid to be detected.

Through setting up barrel 1 to make the inside liquid flow channel that waits to detect that forms of barrel 1, so that the liquid that waits to detect in the conductivity cell flows in barrel 1, the liquid that waits to detect that flows in barrel 1 is more even than the liquid concentration that waits to detect in the conductivity cell, and the water content testing result is more accurate, sets up a plurality of detecting element 2 at the outer wall of barrel 1 simultaneously, and a plurality of detecting element 2 can measure the water content of treating the detection solution simultaneously, and then can provide stable data support for hydrofluoric acid production, satisfies the requirement of hydrofluoric acid factory to moisture detection.

The cylinder 1 may be cylindrical, rectangular, or the like, and is not further limited in this application.

Specifically, the inner wall and the outer wall of the cylinder 1 are coated with corrosion-resistant materials, so that the cylinder 1 can be prevented from being corroded by acidic solutes in the solution to be detected, and the service life of the conductivity sensor is prolonged.

Wherein, detecting element 2 can set up a plurality ofly on the outer wall of barrel 1, and in this embodiment of the application, detecting element 2 sets up two, including first detecting element 2 and second detecting element 2, through two detecting element 2 with the conductivity of measurement solution that waits to detect.

Specifically, the first detection unit 2 is disposed on the first direction side of the second detection unit 2.

In this embodiment of the present application, the first direction may be a flow direction of the liquid to be detected.

Specifically, a flow channel of the solution to be detected can be formed in the cylinder 1, the detection units 2 extend into the solution to be detected, and the conductivity of the solution to be detected is measured through the two detection units 2, so that the water content of the solution to be detected is measured.

At least two detection units 2 are coplanar with the central axis of the cylinder 1.

By arranging the two detection units 2 to be coplanar with the central axis of the cylinder body 1, the water content of the liquid to be detected in the same flowing area can be detected, the accuracy of the conductivity measurement result of the solution to be detected is improved, and the accuracy of the water content measurement result in the solution to be detected is further improved.

Wherein, set up the through-hole on the outer wall of barrel 1, detection element 2 inserts in the barrel 1 through the through-hole.

The detection unit 2 may be a detection electrode, the detection unit 2 extends into the cylinder 1 toward the central axis of the cylinder 1, and the detection unit 2 is perpendicular to the central axis of the cylinder 1.

Specifically, in this application embodiment, detecting element 2 sets up two, including first detecting element 2 and second detecting element 2, barrel 1 vertical setting, first detecting element 2 sets up directly over second detecting element 2, and the axis of first detecting element 2 promptly, the axis of second detecting element 2 and the axis of barrel 1 are located the coplanar.

The conductivity sensor further comprises a connecting part, the connecting part comprises a sensor base 3 and a connecting piece 4, the sensor base 3 is arranged on the outer wall of the cylinder body 1 along the first direction, and the connecting piece 4 is sleeved on the detection unit 2 and detachably connected with the sensor base 3.

Through setting up sensor base 3 and connecting piece 4 in order to set up detecting element 2 on barrel 1, can provide stable mounted position for detecting element 2, connecting piece 4 cover is established on detecting element 2 and can be dismantled with sensor base 3 simultaneously and be connected to make detecting element 2 can dismantle with barrel 1 and be connected, conveniently overhaul detecting element 2 and change, improved work efficiency.

Wherein the connection part includes a sensor base 3 and a connection member 4, and the detection unit 2 is inserted into the cylinder 1 through the sensor base 3 and the connection member 4.

Wherein, sensor base 3 and connecting piece 4 one-to-one set up, and in this application embodiment, sensor base 3 sets up two, and connecting piece 4 sets up two.

The sensor base 3 may be rectangular or cylindrical, and the present application is not limited thereto.

The sensor base 3 is disposed on the outer wall of the cylinder 1, the sensor base 3 is connected with the cylinder 1, and the connection mode of the sensor base 3 can be welding or the like, so that the sensor base 3 is fixed on the outer wall of the cylinder 1, and the application is not limited further.

Wherein, connecting piece 4 sets up in the one side that barrel 1 outer wall was kept away from to sensor base 3, and connecting piece 4 is connected with sensor base 3, and its connected mode can be threaded connection or joint etc. realize that connecting piece 4 can dismantle from sensor base 3 can, this application does not do further limitation.

Specifically, in this application embodiment, connecting piece 4 is the nut, and connecting piece 4 cover is established on detecting element 2 to can dismantle with sensor base 3 and be connected, so that detecting element 2 can dismantle with barrel 1 and be connected, be convenient for overhaul and change detecting element 2, improved work efficiency.

The sensor base 3 and the connecting piece 4 are provided with through holes, the through holes penetrate through the outer wall of the cylinder 1, which is close to the sensor base 3, along the axial direction of the sensor base 3, and the detection unit 2 is inserted into the cylinder 1 through the through holes.

Through the through-holes are formed in the sensor base 3 and the connecting piece 4, so that the detection unit 2 can be inserted into the inner wall of the cylinder body 1, the detection unit 2 can be directly contacted with a solution to be detected, the accuracy of a detection result is improved, the accuracy of the water content detection result of the solution to be detected is further improved, data support can be provided for the stability of hydrofluoric acid production, and the requirement of a hydrofluoric acid factory for water measurement is met.

The through hole penetrates through the sensor base 3 and the connecting piece 4 along the direction perpendicular to the central axis of the cylinder body 1 and penetrates through the outer wall of the cylinder body 1, so that the detection unit 2 is inserted into the inner wall of the cylinder body 1 through the through hole, the detection unit 2 can be directly contacted with the solution to be detected, and the accuracy of the detection result is improved.

The detection unit 2 is arranged in line with the central axes of the sensor base 3 and the connecting piece 4.

Through setting up detecting element 2 and the axis collineation of sensor base 3 and connecting piece 4, can realize the axis of through-hole and detecting element 2's axis coincidence to make detecting element 2 insert behind barrel 1 can treat detecting solution's center department and detect, can avoid treating detecting solution concentration inhomogeneous and lead to the great condition emergence of testing result volatility, improved the reliability of testing result.

Wherein the central axis of the through hole coincides with the central axis of the detection unit 2.

The conductivity sensor further comprises a sealing gasket 5, the sealing gasket 5 is annular, and the sealing gasket 5 is arranged between the outer wall of the detection unit 2 and the inner wall of the connecting part.

Through setting up sealed pad 5 so that detecting element 2 can closely laminate with connecting piece 4, can avoid taking place to wait to detect the condition that the solution revealed in the conductivity sensor use, improved conductivity sensor's gas tightness, simultaneously the tie point between detecting element 2 two sections can place with in sealed pad 5, can avoid waiting to detect the corruption of solution to junction, improved detecting element 2's life.

The sealing gasket 5 can be annular, and the sealing gasket 5 can be made of polytetrafluoroethylene and other materials, so that the corrosion resistance is high.

Specifically, sealing gasket 5 cover is established on detecting element 2, and connecting piece 4 cover is established on sealing gasket 5, and detecting element 2 is laminated mutually with connecting piece 4 through sealing gasket 5, can avoid treating that the detection solution in barrel 1 reveals, can protect detecting element 2 in the junction simultaneously, has improved detecting element 2's life.

The conductivity sensor also comprises flanges which are arranged at two ends of the cylinder body 1.

By arranging flanges at the two ends of the cylinder body 1, the conductivity sensor can be detachably arranged on the water content detection equipment, and the installation and replacement efficiency of the conductivity sensor is improved.

The flanges are arranged at two ends of the cylinder body 1, and are connected with the cylinder body 1 in a welding mode or the like, and the application is not limited further.

Wherein, the flange can be circular, through setting up the flange at the both ends of barrel 1, can realize that conductivity sensor and water content check out test set can dismantle the connection, improved conductivity sensor's installation and change efficiency.

The detecting unit 2 comprises a first section 21 and a second section 22, the first section 21 is connected with the second section 22, and the first section 21 and the second section 22 are made of the same material.

The material through setting up detecting element 2 first section 21 and second section 22 is the same, has improved detecting element 2 welding strength, can avoid because medium velocity of flow is faster in the pipeline, the impact force is stronger and lead to the condition emergence that detects element 2 droing in treating the measuring process of detecting solution water content, prolonged conductivity sensor's life, reduced measuring data's volatility simultaneously, avoid data distortion's condition to take place, conductivity sensor's detection precision has been improved, can realize providing stable data support for hydrofluoric acid production, satisfy hydrofluoric acid factory to moisture detection's requirement.

Wherein the detecting unit 2 includes a first section 21 and a second section 22, the first section 21 and the second section 22 are connected, and as an embodiment, the first section 21 and the second section 22 may be manufactured by integral molding; as another embodiment, the first section 21 and the second section 22 may be welded or the like. In the embodiment of the present application, the first section 21 and the second section 22 are connected by welding.

Specifically, in the embodiment of the present application, the materials of the first section 21 and the second section 22 are the same, and the first section 21 and the second section 22 may be made of red copper or platinum, etc., so that the strength is high, the corrosion resistance is strong, the metallic luster is good, and the electric signal conductor is a good conductor, and can measure various types of acidic and alkaline solutions.

The first section 21 and the second section 22 are made of platinum material.

The detection unit 2 is made of platinum materials, the strength is high, the metal glossiness is good, the corrosion resistance of the detection unit 2 is improved, meanwhile, the platinum materials are good in conductivity, the water content in various acidic and alkaline solutions to be detected can be measured, and the application range of the conductivity sensor is enlarged.

In another aspect of the embodiments of the present application, a water content measuring device is provided, including a conductivity sensor as described above, where the water content measuring device further includes a detecting device, and the detecting device is electrically connected to the detecting unit 2.

The electrical connection between the detection equipment and the conductivity sensor can detect the conductivity and the total dissolved solid quantity of the solution to be detected, so that the water content of the solution to be detected is measured, the accuracy of the water content measurement result of the solution to be detected is improved, and the qualification rate of finished products leaving factories is further improved.

The detection equipment can be a Lei Cidian conductivity meter, and the Lei Cidian conductivity meter can detect the conductivity, the temperature and the total dissolved solid quantity of the solution to be detected.

The detection device is electrically connected with the detection unit 2, the detection unit 2 transmits an electric signal to the detection device, and the detection device measures the conductivity and the total dissolved solid quantity of the solution to be detected, so as to measure the water content of the solution to be detected.

Specifically, the check out test set is connected with the first section 21 of detecting element 2 through the wiring clip, is provided with a plurality of annular grooves on the periphery wall of the one end that second section 22 was kept away from to the first section 21 of detecting element 2 to through setting up a plurality of annular grooves, so that the wiring clip is more inseparable with detecting element 2 connection, avoids the wiring clip to break away from detecting element 2 in the testing process, has improved the stability of water content measuring device work.

According to the conductivity sensor and the water content measuring device provided by the embodiment of the utility model, the conductivity sensor is provided with the cylinder body 1, and the cylinder body 1 is internally provided with the liquid flow channel to be detected, so that the liquid to be detected in the conductivity cell flows in the cylinder body 1, the concentration of the liquid to be detected flowing in the cylinder body 1 is more uniform compared with that of the liquid to be detected in the conductivity cell, the water content measuring result is more accurate, and meanwhile, the outer wall of the cylinder body 1 is provided with the plurality of detecting units 2, the water content of the solution to be detected can be measured by the plurality of detecting units 2 at the same time, and therefore stable data support can be provided for hydrofluoric acid production, and the requirement of a hydrofluoric acid factory on water content detection is met.

It will be readily appreciated by those skilled in the art that the above advantageous ways can be freely combined and superimposed without conflict.

The foregoing description of the preferred embodiment of the present utility model is not intended to limit the utility model to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model. The foregoing is merely a preferred embodiment of the present application and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principles of the present application, and these modifications and variations should also be regarded as the scope of the present application.

Claims (10)

1. The conductivity sensor is characterized by comprising a cylinder body (1) and a detection unit (2), wherein the detection unit (2) is at least two arranged on the outer wall of the cylinder body (1) along a first direction, a liquid flow channel to be detected is formed in the cylinder body (1), and the detection unit (2) is used for detecting the conductivity of the liquid to be detected.

2. Conductivity sensor according to claim 1, characterized in that at least two of the detection units (2) are arranged coplanar with the central axis of the cylinder (1).

3. The conductivity sensor according to claim 1, further comprising a connection part comprising a sensor base (3) and a connection piece (4), wherein the sensor base (3) is arranged on the outer wall of the cylinder (1) along the first direction, and the connection piece (4) is sleeved on the detection unit (2) and detachably connected with the sensor base (3).

4. A conductivity sensor according to claim 3, characterized in that the sensor base (3) and the connecting member (4) are provided with through holes, and the through holes are made to penetrate the outer wall of the cylinder (1) near the sensor base (3) side in the axial direction of the sensor base (3), and the detecting unit (2) is inserted into the cylinder (1) through the through holes.

5. Conductivity sensor according to claim 4, characterized in that the detection unit (2) is arranged co-linearly with the central axes of the sensor base (3) and the connection piece (4).

6. The conductivity sensor according to claim 5, further comprising a gasket (5), the gasket (5) being annular, the gasket (5) being arranged between an outer wall of the detection unit (2) and an inner wall of the connection.

7. Conductivity sensor according to claim 1, characterized in that it further comprises flanges arranged at both ends of the cylinder (1).

8. Conductivity sensor according to claim 1, characterized in that the detection unit (2) comprises a first section (21) and a second section (22), the first section (21) being connected to the second section (22), the first section (21) being of the same material as the second section (22).

9. The conductivity sensor according to claim 8, wherein the first section (21) and the second section (22) are made of platinum material.

10. A moisture content measuring device, characterized in that it comprises a conductivity sensor according to any one of claims 1-9, and further comprises a detection device, which is electrically connected to the detection unit (2).

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