CN116106633B - Method, device and storage medium for determining liquid conductivity - Google Patents

Abstract

The invention discloses a method, a device and a storage medium for determining the conductivity of a liquid. Wherein, the method includes: when the secondary side circuit of the conductivity detection device is in an open circuit state, acquiring the first primary side voltage when the conductivity detection device is in the air, and obtaining the second primary side voltage when the conductivity detection device is in the liquid environment Secondary side voltage; based on the preset current, the first primary side voltage and the second primary side voltage, determine the equivalent eddy current resistance of the primary side; when the secondary side circuit of the conductivity detection device is in the open state, obtain the conductivity detection The secondary side current of the device in the liquid environment; based on the preset current and the secondary side current, determine the equivalent eddy current resistance of the secondary side; according to the equivalent eddy current resistance of the primary side and the equivalent eddy current resistance of the secondary side, determine the conductivity. The invention solves the technical problem of inaccurate conductivity measurement caused by taking out the liquid when measuring the conductivity of the liquid in a special area (such as a deep water area) in the related art.

Description

Method, device and storage medium for determining liquid conductivity

technical field

The invention relates to the field of conductivity detection, in particular to a method, device and storage medium for determining the conductivity of a liquid.

Background technique

The conductivity of liquid is affected by multiple factors. Taking the conductivity of seawater as an example, there may be certain differences in the conductivity of seawater corresponding to different seawater depths. In the related art, when conducting the seawater conductivity test, the seawater conductivity is mainly calculated by taking out the seawater. However, the above method ignores the influence of seawater depth, pressure and other environmental factors on the electrical conductivity, resulting in certain errors in the calculated electrical conductivity calculation results.

For the above problems, no effective solution has been proposed yet.

Contents of the invention

The embodiment of the present invention provides a method, device and storage medium for determining the conductivity of a liquid, so as to at least solve the problem in the related art that when measuring the conductivity of a liquid in a special area (such as a deep water area), the liquid needs to be taken out, which causes the conductivity measurement to be inaccurate. Accurate technical questions.

According to an aspect of an embodiment of the present invention, a method for determining the conductivity of a liquid is provided, including: when the secondary side circuit of the conductivity detection device is in an open circuit state, and under the excitation of a preset current, the above-mentioned conductivity detection device is in the state of The first primary-side voltage in the air, and the second primary-side voltage of the above-mentioned conductivity detection device in a liquid environment, wherein the above-mentioned conductivity detection device includes a primary-side circuit and a secondary-side circuit, and the above-mentioned primary-side circuit includes A power supply device and a first resonant circuit, the first resonant circuit at least includes a transmission coil and a first capacitor, the secondary side circuit includes a load device and a second resonant circuit, and the second resonant circuit includes at least a receiving coil and a second capacitor; Based on the aforementioned preset current, the aforementioned first primary side voltage and the aforementioned second primary side voltage, determine the primary side equivalent eddy current resistance of the aforementioned conductivity detection device; the secondary side circuit of the aforementioned conductivity detection device is in a pass state Under the above-mentioned preset current excitation, the secondary side current of the above-mentioned conductivity detection device in the above-mentioned liquid environment is obtained; based on the above-mentioned preset current and the above-mentioned secondary side current, determine the secondary side equivalent of the above-mentioned conductivity detection device Eddy current resistance: According to the equivalent eddy current resistance of the primary side and the equivalent eddy current resistance of the secondary side, the conductivity in the above liquid environment is determined.

According to another aspect of the embodiments of the present invention, there is also provided a device for determining the conductivity of a liquid, including: a first acquisition module, configured to acquire a preset current when the secondary side circuit of the conductivity detection device is in an open state Under excitation, the above-mentioned conductivity detection device is in the first primary-side voltage in the air, and the above-mentioned conductivity detection device is in the second primary-side voltage in the liquid environment, wherein the above-mentioned conductivity detection device includes a primary-side circuit and two The secondary side circuit, the primary side circuit includes a power supply device and a first resonant circuit, the first resonant circuit includes at least a transmission coil and a first capacitor, the secondary side circuit includes a load device and a second resonant circuit, and the second resonant circuit Including at least a receiving coil and a second capacitor; a first determination module, configured to determine the primary-side equivalent eddy current of the above-mentioned conductivity detection device based on the above-mentioned preset current, the above-mentioned first primary-side voltage and the above-mentioned second primary-side voltage Resistance; the second acquisition module is used to obtain the secondary side current of the above-mentioned conductivity detection device in the above-mentioned liquid environment under the excitation of the above-mentioned preset current when the secondary-side circuit of the above-mentioned conductivity detection device is in the open state; the second The third determination module is used to determine the secondary-side equivalent eddy current resistance of the above-mentioned conductivity detection device based on the above-mentioned preset current and the above-mentioned secondary-side current; the fourth determination module is used to determine the above-mentioned primary-side equivalent eddy current resistance and the above-mentioned The equivalent eddy current resistance of the secondary side, which determines the conductivity in the above liquid environment.

According to another aspect of the embodiments of the present invention, a non-volatile storage medium is also provided. The above-mentioned non-volatile storage medium stores a plurality of instructions, and the above-mentioned instructions are suitable for being loaded by a processor and executing any one of the above-mentioned Method for determining the conductivity of liquids.

In the embodiment of the present invention, when the secondary side circuit of the conductivity detection device is in an open circuit state, the first primary side voltage of the above-mentioned conductivity detection device in the air under the excitation of the preset current is obtained, and the above-mentioned conductivity The second primary-side voltage of the detection device in a liquid environment, wherein the above-mentioned conductivity detection device includes a primary-side circuit and a secondary-side circuit, the above-mentioned primary-side circuit includes a power supply device and a first resonant circuit, and the above-mentioned first resonant circuit is at least Including a transmission coil and a first capacitor, the above-mentioned secondary side circuit includes a load device and a second resonant circuit, and the above-mentioned second resonant circuit includes at least a receiving coil and a second capacitor; based on the above-mentioned preset current, the above-mentioned first primary-side voltage and The above-mentioned second primary-side voltage determines the primary-side equivalent eddy current resistance of the above-mentioned conductivity detection device; when the secondary-side circuit of the above-mentioned conductivity detection device is in the open state, under the excitation of the above-mentioned preset current, the above-mentioned conductivity detection device The secondary side current of the device in the above liquid environment; based on the above preset current and the above secondary side current, determine the secondary side equivalent eddy current resistance of the above conductivity detection device; according to the above primary side equivalent eddy current resistance and the above two The equivalent eddy current resistance of the secondary side determines the conductivity in the above-mentioned liquid environment, and achieves the purpose of directly detecting the conductivity of the liquid in a special liquid environment (such as a deep water area), thereby realizing the lifting of the liquid in a special area (such as a deep water area) The technical effect of the accuracy of the conductivity measurement further solves the technical problem of inaccurate conductivity measurement caused by the need to take out the liquid when measuring the conductivity of the liquid in a special area (such as a deep water area) in related technologies.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the present invention and constitute a part of the application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations to the present invention. In the attached picture:

Fig. 1 is a schematic diagram of a method for determining the conductivity of a liquid according to an embodiment of the present invention;

2 is a schematic diagram of an optional conductivity detection device model according to an embodiment of the present invention;

3 is a schematic diagram of an equivalent circuit model of an optional conductivity detection device in a liquid medium according to an embodiment of the present invention;

4 is a schematic diagram of an equivalent circuit in which the secondary side circuit of an optional air conductivity detection device according to an embodiment of the present invention is in an open state;

5 is a schematic diagram of an equivalent circuit in which the secondary side circuit of an optional conductivity detection device in a liquid environment is in an open state according to an embodiment of the present invention;

6 is a schematic diagram of an equivalent circuit in which the secondary side circuit of an optional conductivity detection device in a liquid environment is in a pass-through state according to an embodiment of the present invention;

Fig. 7 is a schematic diagram of a device for determining the conductivity of a liquid according to an embodiment of the present invention.

Detailed ways

In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

According to an embodiment of the present invention, an embodiment of a method for determining the conductivity of a liquid is provided. It should be noted that the steps shown in the flow chart of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, Also, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

Fig. 1 is a flowchart of a method for determining the conductivity of a liquid according to an embodiment of the present invention. As shown in Fig. 1, the method includes the following steps:

Step S102, when the secondary side circuit of the conductivity detection device is in an open circuit state, obtain the first primary side voltage of the above-mentioned conductivity detection device in the air under the excitation of the preset current, and the above-mentioned conductivity detection device is in the liquid environment The second primary-side voltage, wherein the above-mentioned conductivity detection device includes a primary-side circuit and a secondary-side circuit, the above-mentioned primary-side circuit includes a power supply device and a first resonant circuit, and the above-mentioned first resonant circuit includes at least a transmission coil and a second A capacitor, the secondary side circuit includes a load device and a second resonant circuit, and the second resonant circuit at least includes a receiving coil and a second capacitor.

Optionally, the schematic diagram of the model corresponding to the above conductivity detection device is shown in Figure 2 (equivalent to the equivalent circuit model of the conductivity detection device in the air medium), the conductivity detection device includes at least a primary side circuit and a secondary side circuit Electricity, wherein the primary side circuit consists of a high-frequency power supply, and a first resonant circuit including a transmission coil and a first capacitor, and the secondary side circuit consists of a load device and a second resonant circuit including a receiving coil and a second capacitor, wherein , the above-mentioned load device may be, but not limited to, an inductive load. The liquid environment may be, but not limited to, a seawater environment, a river water environment, and the like.

Step S104, based on the preset current, the first primary voltage and the second primary voltage, determine the primary equivalent eddy current resistance of the conductivity detection device.

It should be noted that the biggest difference between the conductivity detection devices under water and on land (in the air) lies in their different energy transmission media. The air medium can be considered to have no electric charge flow caused by the electromagnetic field, so it need not be considered. However, when the medium is liquid (such as seawater), since the conductivity of the liquid is much greater than that of air, the eddy current loss generated in the medium cannot be ignored. The equivalent circuit model of the corresponding conductivity detection device in the liquid medium is shown in Figure 3 As shown, the eddy current resistance of the reaction seawater medium is introduced on the basis of the equivalent circuit model of the conductivity detection device in the air medium (as shown in the dotted circle in Figure 3).

In an optional embodiment, the determination of the primary-side equivalent eddy current resistance of the above-mentioned conductivity detection device based on the above-mentioned preset current, the above-mentioned first primary-side voltage and the above-mentioned second primary-side voltage includes: The aforementioned preset current, the aforementioned first primary side voltage and the aforementioned second primary side voltage determine the primary side equivalent eddy current resistance of the aforementioned conductivity detection device in the following manner:

in, is the equivalent eddy current resistance of the above primary side, /> is the above-mentioned second primary side voltage, /> is the first primary side voltage above, /> for the above preset current.

Optionally, as shown in FIG. 2 and FIG. 3 , the difference between the conductivity detection device being in the air environment and the liquid environment lies in the existence of equivalent eddy current resistance. Therefore, according to the obtained preset current, the first primary side voltage and the second primary side voltage, the equivalent eddy current resistance of the primary side of the conductivity detection device can be obtained.

Optionally, FIG. 4 is a schematic diagram of an equivalent circuit in which the secondary side circuit of an optional air conductivity detection device according to an embodiment of the present invention is in an open state; FIG. 5 is a schematic diagram of a secondary side circuit according to an embodiment of the present invention. The equivalent circuit schematic diagram of the secondary side circuit of the optional conductivity detection device in the liquid environment is in an open state; as shown in Figure 4, at the preset current , frequency /> Under the excitation, determine the first primary side voltage of the conductivity detection device in the air environment ; As shown in Figure 5, at the preset current /> , frequency /> Under the excitation, determine the second primary side voltage of the conductivity detection device in the liquid (such as seawater) environment /> .

Step S106, when the secondary side circuit of the conductivity detection device is in the open state, obtain the secondary side current of the conductivity detection device in the liquid environment under the excitation of the preset current.

Optionally, the primary side circuit and the secondary side circuit in the conductivity detection device are coupled and connected through the transmission coil and the receiving coil. When the secondary side circuit is in the open state and there is current excitation, the secondary side circuit is turned on , the secondary side current can be obtained by measuring.

Step S108, based on the above-mentioned preset current and the above-mentioned secondary-side current, determine the secondary-side equivalent eddy current resistance of the above-mentioned conductivity detection device.

In an optional embodiment, the above-mentioned determining the secondary-side equivalent eddy current resistance of the above-mentioned conductivity detection device based on the above-mentioned preset current and the above-mentioned secondary-side current includes: determining the angular frequency of the above-mentioned conductivity detection device, The coil mutual inductance between the above-mentioned transmission coil and the above-mentioned receiving coil, and the load resistance corresponding to the above-mentioned load device; Secondary equivalent eddy current resistance.

Optionally, FIG. 6 is a schematic diagram of an equivalent circuit in which the secondary side circuit of a conductivity detection device in an optional liquid environment is in a pass-through state according to an embodiment of the present invention. As shown in FIG. 6 , at a preset current ,frequency Under excitation, the secondary side loop is turned on, and the secondary side current can be obtained by measurement, combined with the angular frequency of the conductivity detection device, the coil mutual inductance between the transmission coil and the receiving coil, and the corresponding load resistance of the load device, then Calculate the equivalent eddy current resistance of the secondary side.

Optionally, based on the aforementioned preset current, the aforementioned secondary side current, the aforementioned angular frequency, the aforementioned coil mutual inductance, and the aforementioned load resistance, the aforementioned secondary side equivalent eddy current resistance is determined in the following manner:

in, is the equivalent eddy current resistance of the above secondary side, /> For the preset current above, /> is the above secondary side current, /> is the above angular frequency, /> is the mutual inductance of the above coil, /> is the above load resistance.

Step S110, determining the conductivity in the liquid environment according to the equivalent eddy current resistance of the primary side and the equivalent eddy current resistance of the secondary side.

In an optional embodiment, determining the conductivity in the above-mentioned liquid environment according to the above-mentioned equivalent eddy current resistance of the primary side and the equivalent eddy current resistance of the above-mentioned secondary side includes: according to the above-mentioned equivalent eddy current resistance of the primary side and the above-mentioned The primary side power is obtained by preset current; the secondary side power is obtained according to the above secondary side equivalent eddy current resistance and the above secondary side current; based on the above primary side power, the first conductivity is obtained; based on the above secondary side power, Obtaining a second conductivity; obtaining the conductivity in the liquid environment based on the first conductivity and the second conductivity.

It should be noted that the eddy current loss is mainly the power loss generated by the electromagnetic field in the liquid environment (such as sea water), and there is a certain relationship between the power loss, the electromagnetic field in the liquid environment, and the conductivity. When the equivalent eddy current resistance of the primary side, the equivalent eddy current resistance of the secondary side, and the current of the primary side (ie, the preset current) and the current of the secondary side are known, the power of the primary side and the power of the secondary side can be obtained. The specific calculation formula is as follows:

in, is the primary side power, /> is the secondary side power, and other variables are explained as above, and will not be repeated here.

Optionally, the first conductivity and the second conductivity can be obtained further based on the relationship between the power loss, the electromagnetic field in the liquid environment, and the conductivity.

Optionally, the first conductivity is obtained based on the above-mentioned primary side power; the second conductivity is obtained based on the above-mentioned secondary side power, including: determining the primary-side coil (that is, the transmission coil) of the conductivity detection device based on the above-mentioned preset current ) the first electric field strength at any point in space; based on the above-mentioned secondary side current, determine the second electric field strength of the secondary side coil (ie receiving coil) of the conductivity detection device at any point in space; based on the above-mentioned first electric field Intensity and the above-mentioned first conductivity, the above-mentioned first conductivity is calculated; based on the above-mentioned second electric field intensity and the above-mentioned second conductivity, the above-mentioned second conductivity is calculated. The first conductivity and the second conductivity may be determined, but not limited to, by:

in, is the cubic integral with respect to the volume of the liquid (such as sea water), /> is the first conductivity, /> is the first electric field strength at any point in space of the primary side coil (i.e. the transmission coil) of the conductivity detection device, /> is the second conductivity, /> is the second electric field strength at any point in space of the secondary side coil (receiving coil) of the conductivity detection device, and other variables are explained as above, and will not be repeated here.

Optionally, the above-mentioned first electric field intensity and second electric field intensity can be obtained, but not limited to, in the following manner:

in, Represents the coordinates of any point in space, N is the number of turns of the transmitting coil, /> is a first-order Bessel function, /> is the liquid (such as seawater) permeability, /> as a variable, /> is the dielectric constant, /> is the angular velocity, /> is an imaginary factor, and other variables are explained as above, and will not be repeated here.

In an optional embodiment, the above-mentioned obtaining the conductivity in the liquid environment based on the above-mentioned first conductivity and the above-mentioned second conductivity includes: calculating the difference between the above-mentioned first conductivity and the above-mentioned second conductivity Conductivity difference; judging whether the above-mentioned conductivity difference is less than the preset difference threshold; in the case that the above-mentioned conductivity difference is less than the above-mentioned preset difference threshold, based on the above-mentioned first conductivity and the above-mentioned second conductivity, get Conductivity in the above liquid environment.

Through the above method, after the first conductivity and the second conductivity are obtained, the degree of difference between the first conductivity and the second conductivity is determined by calculating the difference in conductivity between the two. The difference between the conductivity and the second conductivity is not large, that is, when the difference in conductivity is less than the preset difference threshold, the conductivity in the liquid environment is obtained based on the first conductivity and the second conductivity, thereby achieving The purpose of the accuracy of conductivity calculations in liquid environments.

Optionally, if the conductivity difference is greater than or equal to the preset difference threshold, it indicates that the difference between the first conductivity and the second conductivity is relatively large. At this time, if the difference is determined based on the first conductivity and the second conductivity The conductivity in the liquid environment is likely to cause large calculation deviations. Therefore, it is possible, but not limited, to obtain a new current when the secondary side circuit of the conductivity detection device is in an open state by changing the magnitude of the preset current when the conductivity difference is greater than or equal to the preset difference threshold. Under excitation, the above-mentioned conductivity detection device is in the new first primary side voltage in the air, and the above-mentioned conductivity detection device is in the new second primary side voltage in the liquid environment; based on the above-mentioned new preset current, the above-mentioned The new first primary-side voltage and the above-mentioned new second primary-side voltage determine the new primary-side equivalent eddy current resistance of the above-mentioned conductivity detection device; when the secondary-side circuit of the above-mentioned conductivity detection device is in the open state , obtain the new secondary side current of the above-mentioned conductivity detection device in the above-mentioned liquid environment under the excitation of the above-mentioned new preset current; determine the above-mentioned conductivity detection device based on the above-mentioned new preset current and the above-mentioned new secondary-side current A new equivalent eddy current resistance of the secondary side of the device; according to the new equivalent eddy current resistance of the primary side and the new equivalent eddy current resistance of the secondary side, the conductivity in the liquid environment is determined.

Optionally, in the case that the conductivity difference is greater than or equal to the preset difference threshold, a new first conductivity can be correspondingly obtained based on the new primary side equivalent eddy current resistance and the new secondary side equivalent eddy current resistance and the new second conductivity (the acquisition method of the first conductivity and the second conductivity is the same, so I won’t go into details here), based on the new first conductivity and the new second conductivity, get the conductivity.

In an optional embodiment, when the above-mentioned conductivity difference is smaller than the above-mentioned preset difference threshold, the conductivity in the above-mentioned liquid environment is obtained based on the above-mentioned first conductivity and the above-mentioned second conductivity, The method includes: when the difference in conductivity is smaller than the preset difference threshold, calculating an average value between the first conductivity and the second conductivity, and using the average value as the conductivity in the liquid environment.

In an optional embodiment, when the above-mentioned conductivity difference is smaller than the above-mentioned preset difference threshold, the conductivity in the above-mentioned liquid environment is obtained based on the above-mentioned first conductivity and the above-mentioned second conductivity, The method includes: when the above-mentioned conductivity difference is smaller than the above-mentioned preset difference threshold, using the above-mentioned first conductivity or the above-mentioned second conductivity as the conductivity in the above-mentioned liquid environment.

Through the above method, when it is determined that the difference between the first conductivity and the second conductivity is not large, the average value of the first conductivity and the second conductivity can be calculated as the conductivity in the liquid environment, or the second conductivity can be calculated as the conductivity in the liquid environment. One conductivity is used as the conductivity in the liquid environment, or the second conductivity is used as the conductivity in the liquid environment.

Through the above steps S102 to S110, the purpose of directly detecting the conductivity of the liquid in a special liquid environment (such as a deep water area) can be achieved, thereby achieving the technical effect of improving the measurement accuracy of the liquid conductivity in a special area (such as a deep water area). Furthermore, it solves the technical problem of inaccurate conductivity measurement caused by the need to take out the liquid when measuring the conductivity of the liquid in a special area (such as a deep water area) in the related art.

In this embodiment, a device for determining the conductivity of a liquid is also provided, and the device is used to implement the above embodiments and preferred implementation modes, and what has already been described will not be repeated. As used below, the terms 'module' and 'means' may be a combination of software and/or hardware that realize a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, implementations in hardware, or a combination of software and hardware are also possible and contemplated.

According to an embodiment of the present invention, an embodiment of a device for implementing the method for determining the conductivity of a liquid described above is also provided. FIG. 7 is a schematic structural diagram of a device for determining the conductivity of a liquid according to an embodiment of the present invention, as shown in FIG. 7 As shown, the above-mentioned device for determining the conductivity of a liquid includes: a first acquisition module 700, a first determination module 702, a second acquisition module 704, a third determination module 706, and a fourth determination module 708, wherein:

The above-mentioned first acquisition module 700 is used to obtain the first primary-side voltage of the above-mentioned conductivity detection device in air under the excitation of a preset current when the secondary side circuit of the conductivity detection device is in an open circuit state, and the above-mentioned conductance The second primary-side voltage of the conductivity detection device in the liquid environment, wherein the above-mentioned conductivity detection device includes a primary-side circuit and a secondary-side circuit, and the above-mentioned primary-side circuit includes a power supply device and a first resonant circuit, and the first resonant circuit At least including a transmission coil and a first capacitor, the secondary side circuit includes a load device and a second resonant circuit, and the second resonant circuit includes at least a receiving coil and a second capacitor;

The first determination module 702 is connected to the first acquisition module 700, and is used to determine the primary side of the conductivity detection device based on the preset current, the first primary side voltage and the second primary side voltage, etc. Effective eddy current resistance;

The second acquisition module 704 is connected to the first determination module 702, and is used to obtain the preset current excitation when the secondary side circuit of the conductivity detection device is in the open state, and the conductivity detection device is in the liquid. Secondary side current in the environment;

The third determination module 706 is connected to the second acquisition module 704, and is used to determine the secondary-side equivalent eddy current resistance of the above-mentioned conductivity detection device based on the above-mentioned preset current and the above-mentioned secondary-side current;

The fourth determining module 708 is connected to the third determining module 706, and is configured to determine the conductivity in the liquid environment according to the equivalent eddy current resistance of the primary side and the equivalent eddy current resistance of the secondary side.

In the embodiment of the present invention, the above-mentioned first acquisition module 700 is provided to obtain the second second acquisition module 700 of the above-mentioned conductivity detection device in the air under the excitation of the preset current when the secondary side circuit of the conductivity detection device is in an open circuit state. A primary-side voltage, and a second primary-side voltage of the above-mentioned conductivity detection device in a liquid environment, wherein the above-mentioned conductivity detection device includes a primary-side circuit and a secondary-side circuit, and the above-mentioned primary-side circuit includes a power supply and a second A resonant circuit, the first resonant circuit at least includes a transmission coil and a first capacitor, the secondary side circuit includes a load device and a second resonant circuit, and the second resonant circuit includes at least a receiving coil and a second capacitor; the first determination Module 702, connected to the above-mentioned first acquisition module 700, for determining the primary-side equivalent eddy current resistance of the above-mentioned conductivity detection device based on the above-mentioned preset current, the above-mentioned first primary-side voltage and the above-mentioned second primary-side voltage; The second acquisition module 704 is connected to the first determination module 702, and is used to obtain the preset current excitation when the secondary side circuit of the conductivity detection device is in the open state, and the conductivity detection device is in the liquid. The secondary side current in the environment; the third determination module 706 is connected to the second acquisition module 704, and is used to determine the equivalent secondary side of the conductivity detection device based on the preset current and the secondary side current Eddy current resistance: the above-mentioned fourth determination module 708 is connected to the above-mentioned third determination module 706, and is used to determine the conductivity in the above-mentioned liquid environment according to the above-mentioned equivalent eddy current resistance of the primary side and the equivalent eddy current resistance of the above-mentioned secondary side, reaching The purpose of directly detecting the conductivity of the liquid in a special liquid environment (such as a deep water area), thereby achieving the technical effect of improving the measurement accuracy of the liquid conductivity in a special area (such as a deep water area), and thus solving the problem of measuring special When measuring the conductivity of the liquid in an area (such as a deep water area), the liquid needs to be taken out, resulting in a technical problem of inaccurate conductivity measurement.

It should be noted that each of the above-mentioned modules can be realized by software or hardware. For example, for the latter, it can be realized in the following manner: each of the above-mentioned modules can be located in the same processor; or, each of the above-mentioned modules can be implemented in any combination on a different processor.

It should be noted here that the above-mentioned first acquisition module 700, first determination module 702, second acquisition module 704, third determination module 706, and fourth determination module 708 correspond to step S102 to step S110 in the embodiment, and the above-mentioned The examples and application scenarios realized by the modules and corresponding steps are the same, but are not limited to the contents disclosed in the above embodiments. It should be noted that, as a part of the device, the above modules can run in the computer terminal.

It should be noted that for optional or preferred implementation manners of this embodiment, reference may be made to relevant descriptions in the embodiment, and details are not repeated here.

The above-mentioned device for determining the conductivity of the liquid may also include a processor and a memory, and the above-mentioned first acquisition module 700, first determination module 702, second acquisition module 704, third determination module 706, fourth determination module 708, etc. are all used as programs The modules are stored in the memory, and the processor executes the above-mentioned program modules stored in the memory to realize corresponding functions.

The processor includes a kernel, and the kernel retrieves corresponding program modules from the memory, and one or more kernels can be provided. Memory may include non-permanent memory in computer-readable media, random access memory (RAM) and/or non-volatile memory, such as read-only memory (ROM) or flash memory (flash RAM), memory includes at least one memory chip.

According to an embodiment of the present application, an embodiment of a non-volatile storage medium is also provided. Optionally, in this embodiment, the above-mentioned non-volatile storage medium includes a stored program, wherein, when the above-mentioned program is running, the device where the above-mentioned non-volatile storage medium is located is controlled to execute any one of the methods for determining the conductivity of the liquid .

Optionally, in this embodiment, the above-mentioned non-volatile storage medium may be located in any computer terminal in the computer terminal group in the computer network, or in any mobile terminal in the mobile terminal group. Nonvolatile storage media include stored programs.

Optionally, when the program is running, the device where the non-volatile storage medium is located is controlled to perform the following functions: When the secondary side circuit of the conductivity detection device is in an open state, the above-mentioned conductivity detection device is in the air under the excitation of a preset current. The first primary-side voltage, and the second primary-side voltage of the above-mentioned conductivity detection device in a liquid environment, wherein the above-mentioned conductivity detection device includes a primary-side circuit and a secondary-side circuit, and the above-mentioned primary-side circuit includes a power supply equipment and a first resonant circuit, the first resonant circuit at least includes a transmission coil and a first capacitor, the secondary side circuit includes a load device and a second resonant circuit, and the second resonant circuit includes at least a receiving coil and a second capacitor; based on The above-mentioned preset current, the above-mentioned first primary-side voltage and the above-mentioned second primary-side voltage determine the primary-side equivalent eddy current resistance of the above-mentioned conductivity detection device; when the secondary-side circuit of the above-mentioned conductivity detection device is in the open state , obtain the secondary side current of the above-mentioned conductivity detection device in the above-mentioned liquid environment under the excitation of the above-mentioned preset current; determine the secondary-side equivalent eddy current of the above-mentioned conductivity detection device based on the above-mentioned preset current and the above-mentioned secondary side current Resistance: According to the above-mentioned equivalent eddy current resistance of the primary side and the above-mentioned equivalent eddy current resistance of the secondary side, the conductivity in the above-mentioned liquid environment is determined.

According to an embodiment of the present application, an embodiment of a processor is also provided. Optionally, in this embodiment, the above-mentioned processor is configured to run a program, wherein any one of the above-mentioned methods for determining the conductivity of a liquid is executed when the above-mentioned program is running.

According to an embodiment of the present application, an embodiment of a computer program product is also provided, which, when executed on a data processing device, is adapted to execute a program initialized with any one of the steps of the method for determining the conductivity of a liquid described above.

Optionally, the above-mentioned computer program product, when executed on a data processing device, is suitable for executing a program that is initialized with the following method steps: when the secondary side circuit of the conductivity detection device is in an open circuit state, obtain a preset current excitation , the first primary side voltage of the above-mentioned conductivity detection device in the air, and the second primary side voltage of the above-mentioned conductivity detection device in the liquid environment, wherein the above-mentioned conductivity detection device includes a primary side circuit and a secondary side circuit, the above-mentioned primary side circuit includes a power supply device and a first resonant circuit, the above-mentioned first resonant circuit includes at least a transmission coil and a first capacitor, the above-mentioned secondary side circuit includes a load device and a second resonant circuit, and the above-mentioned second resonant circuit includes at least The receiving coil and the second capacitor; based on the above-mentioned preset current, the above-mentioned first primary side voltage and the above-mentioned second primary side voltage, determine the primary side equivalent eddy current resistance of the above-mentioned conductivity detection device; in the above-mentioned conductivity detection device When the secondary side circuit is in the open state, obtain the secondary side current of the above-mentioned conductivity detection device in the above-mentioned liquid environment under the excitation of the above-mentioned preset current; determine the above-mentioned conductivity detection device based on the above-mentioned preset current and the above-mentioned secondary side current The equivalent eddy current resistance of the secondary side of the device; according to the equivalent eddy current resistance of the primary side and the equivalent eddy current resistance of the secondary side, the conductivity in the above liquid environment is determined.

An embodiment of the present invention provides an electronic device, which includes a processor, a memory, and a program stored in the memory and operable on the processor. When the processor executes the program, the following steps are implemented: in the two When the secondary-side circuit is in an open circuit state, the first primary-side voltage of the above-mentioned conductivity detection device in air and the second primary-side voltage of the above-mentioned conductivity detection device in a liquid environment are obtained under the excitation of a preset current, wherein The above-mentioned conductivity detection device includes a primary side circuit and a secondary side circuit, the above-mentioned primary side circuit includes a power supply device and a first resonant circuit, the above-mentioned first resonant circuit includes at least a transmission coil and a first capacitor, and the above-mentioned secondary side circuit includes a load equipment and a second resonant circuit, the second resonant circuit at least includes a receiving coil and a second capacitor; based on the preset current, the first primary side voltage and the second primary side voltage, determine the conductivity detection device The equivalent eddy current resistance of the primary side; when the secondary side circuit of the above-mentioned conductivity detection device is in the open state, under the excitation of the above-mentioned preset current, the secondary side current of the above-mentioned conductivity detection device in the above-mentioned liquid environment; based on the above-mentioned preset Assuming the current and the above-mentioned secondary-side current, determine the secondary-side equivalent eddy current resistance of the above-mentioned conductivity detection device; according to the above-mentioned primary-side equivalent eddy-current resistance and the above-mentioned secondary-side equivalent eddy-current resistance, determine the conductivity in the above-mentioned liquid environment .

The serial numbers of the above embodiments of the present invention are for description only, and do not represent the advantages and disadvantages of the embodiments.

In the above-mentioned embodiments of the present invention, the descriptions of each embodiment have their own emphases, and for parts not described in detail in a certain embodiment, reference may be made to relevant descriptions of other embodiments.

In the several embodiments provided in this application, it should be understood that the disclosed technical content can be realized in other ways. Wherein, the device embodiments described above are only illustrative. For example, the division of the above-mentioned modules can be a logical function division. In actual implementation, there may be another division method, for example, multiple modules or components can be combined or integrated. to another system, or some features may be ignored, or not implemented. In another point, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, and modules or indirect coupling or communication connection between modules may be in electrical or other forms.

The modules described above as separate components may or may not be physically separated, and the components displayed as modules may or may not be physical modules, that is, they may be located in one place, or may be distributed to multiple modules. Part or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional module in each embodiment of the present invention may be integrated into one processing module, each module may exist separately physically, or two or more modules may be integrated into one module. The above-mentioned integrated modules can be implemented in the form of hardware or in the form of software function modules.

If the above-mentioned integrated modules are implemented in the form of software function modules and sold or used as independent products, they can be stored in a computer-readable non-volatile storage medium. Based on such an understanding, the essence of the technical solution of the present invention or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of software products, and the computer software products are stored in a non-volatile In the permanent storage medium, several instructions are included to make a computer device (which may be a personal computer, server, or network device, etc.) execute all or part of the steps of the methods in various embodiments of the present invention. The aforementioned non-volatile storage media include: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk, etc. medium for program code.

The above are only preferred embodiments of the present invention, and it should be pointed out that for those of ordinary skill in the art, some improvements and modifications can also be made without departing from the principle of the present invention, and these improvements and modifications should also be considered Be the protection scope of the present invention.

Claims (6)

1. A method for determining liquid conductivity, comprising: When the secondary side circuit of the conductivity detection device is in an open circuit state, under the excitation of a preset current, the conductivity detection device is in the first primary side voltage in air, and the conductivity detection device is in a liquid environment The second primary-side voltage, wherein the conductivity detection device includes a primary-side circuit and a secondary-side circuit, the primary-side circuit includes a power supply device and a first resonant circuit, and the first resonant circuit includes at least a transmission coil and a first capacitor, the secondary side circuit includes a load device and a second resonant circuit, and the second resonant circuit includes at least a receiving coil and a second capacitor; determining the primary-side equivalent eddy current resistance of the conductivity detection device based on the preset current, the first primary-side voltage and the second primary-side voltage; When the secondary side circuit of the conductivity detection device is in the open state, obtain the secondary side current of the conductivity detection device in the liquid environment under the excitation of the preset current; determining the secondary side equivalent eddy current resistance of the conductivity detection device based on the preset current and the secondary side current; determining the conductivity in the liquid environment according to the equivalent eddy current resistance of the primary side and the equivalent eddy current resistance of the secondary side; Wherein, the determining the primary-side equivalent eddy current resistance of the conductivity detection device based on the preset current, the first primary-side voltage and the second primary-side voltage includes: based on the preset Assuming the current, the first primary side voltage and the second primary side voltage, determine the primary side equivalent eddy current resistance of the conductivity detection device in the following manner: , where /> is the primary side equivalent eddy current resistance, /> is the second primary side voltage, /> is the first primary side voltage, /> is the preset current; The determining the secondary side equivalent eddy current resistance of the conductivity detection device based on the preset current and the secondary side current includes: determining the angular frequency of the conductivity detection device, the transmission coil and Coil mutual inductance between the receiving coils, load resistance corresponding to the load device; based on the preset current, the secondary side current, the angular frequency, the coil mutual inductance and the load resistance, The equivalent eddy current resistance of the secondary side is determined as follows: , where /> is the secondary side equivalent eddy current resistance, /> for the preset current, /> is the secondary side current, /> is the angular frequency, /> is the mutual inductance of the coil, /> is the load resistance; The determining the conductivity in the liquid environment according to the equivalent eddy current resistance of the primary side and the equivalent eddy current resistance of the secondary side includes: according to the equivalent eddy current resistance of the primary side and the preset current, Obtain the primary side power; obtain the secondary side power according to the equivalent eddy current resistance of the secondary side and the secondary side current; obtain the first conductivity based on the primary side power; and obtain the first conductivity based on the secondary side power, obtaining a second conductivity; and obtaining a conductivity in the liquid environment based on the first conductivity and the second conductivity. 2. The method according to claim 1, wherein the obtaining the conductivity in the liquid environment based on the first conductivity and the second conductivity comprises: calculating a conductivity difference between said first conductivity and said second conductivity; judging whether the conductivity difference is less than a preset difference threshold; If the conductivity difference is smaller than the preset difference threshold, the conductivity in the liquid environment is obtained based on the first conductivity and the second conductivity. 3. The method according to claim 2, wherein, in the case that the conductivity difference is less than the preset difference threshold, based on the first conductivity and the second conductivity , to obtain the conductivity in the liquid environment, including: When the difference in conductivity is less than the preset difference threshold, calculate the average value between the first conductivity and the second conductivity, and use the average value as the conductivity. 4. The method according to claim 2, wherein, in the case that the conductivity difference is less than the preset difference threshold, based on the first conductivity and the second conductivity , to obtain the conductivity in the liquid environment, including: If the conductivity difference is smaller than the preset difference threshold, the first conductivity or the second conductivity is used as the conductivity in the liquid environment. 5. A device for determining the conductivity of a liquid, comprising: The first obtaining module is used to obtain the first primary side voltage of the conductivity detection device in the air under the excitation of the preset current when the secondary side circuit of the conductivity detection device is in an open circuit state, and the conductance The second primary-side voltage of the conductivity detection device in the liquid environment, wherein the conductivity detection device includes a primary-side circuit and a secondary-side circuit, the primary-side circuit includes a power supply device and a first resonant circuit, and the second A resonant circuit includes at least a transmission coil and a first capacitor, the secondary side circuit includes a load device and a second resonant circuit, and the second resonant circuit includes at least a receiving coil and a second capacitor; A first determination module, configured to determine the primary-side equivalent eddy current resistance of the conductivity detection device based on the preset current, the first primary-side voltage and the second primary-side voltage; The second acquisition module is configured to acquire the secondary side current of the conductivity detection device in the liquid environment under the excitation of the preset current when the secondary side circuit of the conductivity detection device is in the open state ; A third determination module, configured to determine the secondary side equivalent eddy current resistance of the conductivity detection device based on the preset current and the secondary side current; A fourth determining module, configured to determine the conductivity in the liquid environment according to the equivalent eddy current resistance of the primary side and the equivalent eddy current resistance of the secondary side; Wherein, the first determination module is further configured to: based on the preset current, the first primary side voltage and the second primary side voltage, determine the primary side of the conductivity detection device in the following manner Equivalent eddy current resistance: , where /> is the primary side equivalent eddy current resistance, /> is the second primary side voltage, /> is the first primary side voltage, /> is the preset current; The determining the secondary side equivalent eddy current resistance of the conductivity detection device based on the preset current and the secondary side current includes: determining the angular frequency of the conductivity detection device, the transmission coil and Coil mutual inductance between the receiving coils, load resistance corresponding to the load device; based on the preset current, the secondary side current, the angular frequency, the coil mutual inductance and the load resistance, The equivalent eddy current resistance of the secondary side is determined as follows: , where /> is the secondary side equivalent eddy current resistance, /> for the preset current, /> is the secondary side current, /> is the angular frequency, /> is the mutual inductance of the coil, /> is the load resistance; The fourth determination module is also used to: obtain the primary side power according to the primary side equivalent eddy current resistance and the preset current; obtain the secondary side equivalent eddy current resistance and the secondary side current according to the secondary side equivalent eddy current resistance and the secondary side current secondary side power; based on the primary side power, the first conductivity is obtained; based on the secondary side power, the second conductivity is obtained; based on the first conductivity and the second conductivity, the Conductivity in liquid environments. 6. A non-volatile storage medium, characterized in that the non-volatile storage medium stores a plurality of instructions, and the instructions are suitable for being loaded by a processor and executing any one of claims 1 to 4. The method for determining the conductivity of liquids described above.