Calibrator for water contained in oil

Abstract

The utility model discloses a water-in-oil calibration instrument which comprises an oil liquid supply assembly, a distilled water supply assembly and a mixing detection assembly, and the oil liquid supply assembly is provided with an oil conveying end and is used for quantitatively conveying pure oil; the distilled water supply assembly is provided with a water conveying end for quantitatively conveying distilled water; the mixing detection assembly comprises a mixing container, a detection mechanism and a circulation path, the mixing container is connected and communicated with the oil conveying end and the water conveying end and used for mixing distilled water and pure oil, and the circulation path is connected between the mixing container and the detection mechanism. Pure oil and distilled water are supplied in a quantitative proportion through the oil liquid supply assembly and the distilled water supply assembly, are gathered in a mixing container of the mixing detection assembly, and are continuously stirred and mixed under the circular flow of a circulating path, so that oil and water are prevented from being layered, and the oil and water are fully mixed and circularly flow through the detection mechanism; and the continuously and circularly flowing oil-water mixed liquid is dynamically detected.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil water content calibrator technical field, specifically related to an oil water content calibrator. BACKGROUND

[0002] In order to monitor the hydraulic system pipeline oil water content, generally in the pipeline oil water content sensor detection is used. Commonly used capacitive oil water content sensor, utilize the dielectric constant difference of water and oil, due to the existence of moisture will change the dielectric constant of oil, thereby influence the capacitance of capacitor, to carry out the determination of oil water content. For example, china patent 202020829834.4 discloses an oil water content analyzer, including liquid measuring pipe section and the table head installed on the liquid measuring pipe section;Liquid measuring pipe section installs electric conductivity sensor, capacitive sensor and microwave sensor.

[0003] Because capacitive oil water content sensor detects the capacitance of oil water mixture, therefore needs to calibrate the oil water content and the capacitance, at present, after mixing pure oil and distilled water, need to stir to carry out the full mixing of oil and water, and then detect the capacitance of capacitive oil water content sensor and calibrate.

[0004] For the above prior art, there are still the following problems: because pure oil and distilled water are prone to stratification, in order to improve the accuracy of calibration, full stirring and detection calibration will be carried out for several times to verify the consistency of the results, which is complicated and low in efficiency. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the above technical defects, and provides an oil water content calibrator, which solves the technical problems of stratification of pure oil and distilled water, multiple full stirring and detection calibration for improving the accuracy of calibration, verification of the consistency of results, complicated operation and low efficiency in the prior art.

[0006] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides an oil water content calibrator, which comprises:

[0008] An oil supply assembly has an oil delivery end for quantitatively delivering pure oil;

[0009] A distilled water supply assembly has a water delivery end for quantitatively delivering distilled water; And

[0010] The mixed detection assembly comprises a mixing container, a detection mechanism and a circulation passage, the mixing container is connected with and communicates with the oil supply end and the water supply end, and is used for mixing distilled water and pure oil; the circulation passage is connected between the mixing container and the detection mechanism, and drives the oil-water mixture to circulate between the mixing container and the detection mechanism, and the detection mechanism detects the capacitance value of the oil-water mixture.

[0011] In some embodiments, the detection mechanism comprises a calibration tool and a capacitance sensor, the calibration tool is connected with the mixing container through the circulation passage, and the capacitance sensor is inserted on the calibration tool.

[0012] In some embodiments, the calibration tool comprises a box body, a plurality of sockets are formed on the box body, and the capacitance sensor is inserted into the sockets one by one.

[0013] In some embodiments, the oil supply assembly comprises an oil storage tank and a first gear pump, and the first gear pump is connected with the mixing container and the oil storage tank through a pipeline.

[0014] In some embodiments, the distilled water supply assembly comprises a water storage tank and a second gear pump, and the second gear pump is connected with the mixing container and the water storage tank through a pipeline.

[0015] In some embodiments, the circulation passage comprises a third gear pump, a first connecting pipe and a second connecting pipe, two ends of the first connecting pipe are connected with one end of the detection mechanism and the mixing container respectively, two ends of the second connecting pipe are connected with the other end of the detection mechanism and the mixing container respectively, and the third gear pump is installed on the first connecting pipe.

[0016] In some embodiments, the oil supply assembly, the distilled water supply assembly and the mixed detection assembly are all installed on the box body.

[0017] In some embodiments, the mixing container comprises a container body and a weighing base, the container body is detachably installed on the weighing base, and the weighing base is used for detecting the weight of the solution in the container body.

[0018] In some embodiments, the control box is further provided with a tablet computer and a communication module, the oil supply assembly, the distilled water supply assembly and the mixed detection assembly are electrically connected with the communication module, and the communication module is electrically connected with the tablet computer.

[0019] In some embodiments, the control box is further provided with a battery.

[0020] Compared with the prior art, the oil-water calibration instrument provided by the utility model, through the quantitative proportioning supply of pure oil and distilled water by the oil liquid supply assembly and the distilled water supply assembly, the oil and water are gathered in the mixing container of the mixing detection assembly and form continuous stirring and mixing under the circulation flow of the circulation passage, the oil and water are prevented from being layered, the oil and water are fully mixed and circulate through the detection mechanism, the dynamic detection is carried out on the continuously circulating oil-water mixed solution, the detected stable capacitance value is matched with the proportion of the oil and water, calibration is formed, and the accuracy and efficiency of calibration are improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the structure schematic view of the oil-water calibration instrument provided by the utility model embodiment;

[0022] Figure 2 is the three-dimensional view of the structure of the oil-water calibration instrument provided by the utility model embodiment;

[0023] Figure 3 is the internal three-dimensional view of the control box of the oil-water calibration instrument provided by the utility model embodiment.

[0024] BRIEF DESCRIPTION OF DRAWINGS:

[0025] 1, oil liquid supply assembly;101, oil delivery end;11, oil storage tank;12, first gear pump;

[0026] 2, distilled water supply assembly;201, water delivery end;21, water storage tank;22, second gear pump;

[0027] 3, mixing detection assembly;31, mixing container;311, container body;312, weighing base;32, detection mechanism;321, calibration tool;321a, box body;321b, socket;322, capacitance sensor;33, circulation passage;331, third gear pump;332, first connecting pipe;333, second connecting pipe;

[0028] 4, box;

[0029] 5, control box;51, tablet computer;52, communication module;53, battery. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will be further described in detail by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0031] In order to solve the technical problem of low operation efficiency of the traditional manual calibration mode, the utility model provides a water in oil calibrator, can realize efficient oil water quantitative mixing and calibration capacitor sensor.

[0032] Please refer to Figure 1 , Figure 1 It is the structure schematic drawing of water in oil calibrator in the embodiment of the utility model, water in oil calibrator includes oil supply assembly 1, distilled water supply assembly 2 and mixed detection assembly 3, and has oil delivery end 101 on oil supply assembly 1, is used for quantitative delivery pure oil, and has water delivery end 201 on distilled water supply assembly 2, is used for quantitative delivery distilled water, and mixed detection assembly 3 includes mixing container 31, detection mechanism 32 and circulation passage 33, the mixing container 31 is connected with the oil delivery end 101 and the water delivery end 201 and communicates, and is used for mixing distilled water and pure oil with quantitative proportioning, the circulation passage 33 is connected between the mixing container 31 and the detection mechanism 32, drives oil water mixture to circulate and flow between the mixing container 31 and the detection mechanism 32, and the capacitance value of oil water mixture is detected by the detection mechanism 32, and the capacitance value of corresponding detection is calibrated according to quantitative proportioning data, and the zero point linearity calibration of capacitor sensor is carried out.

[0033] It can be understood that oil supply assembly 1 and distilled water supply assembly 2 respectively carry out quantitative delivery of pure oil and distilled water, that is, oil water mixed liquid with specific proportioning content can be obtained in mixing container 31, and then the oil water mixed liquid can be stirred and mixed by the circulation pumping of circulation passage 33, and the oil water mixed liquid after stirring and mixing will flow through detection mechanism 32, the detection mechanism 32 is installed with the capacitor sensor that needs to be corrected, then the capacitance value is detected by the capacitor sensor, the oil water mixed liquid with specific proportioning content set is matched, and the calibration correction purpose is achieved.

[0034] In one embodiment, please refer to Figure 1 And Figure 2 In order to carry out controllable delivery of oil, the oil supply assembly 1 includes oil tank 11 and first gear pump 12, the first gear pump 12 is connected with the mixing container 31 and oil tank 11 through pipeline, and the pure oil in oil tank 11 is extracted by first gear pump 12 and is delivered to mixing container 31 through pipeline.

[0035] In one embodiment, please refer to Figure 1 And Figure 2 In order to carry out controllable delivery of distilled water, the distilled water supply assembly 2 includes water tank 21 and second gear pump 22, the second gear pump 22 is connected with the mixing container 31 and water tank 21 through pipeline, and the distilled water in water tank 21 is extracted by second gear pump 22 and is delivered to mixing container 31 through pipeline and is mixed with pure oil.

[0036] In one embodiment, please refer to Figure 1 and Figure 2 , in order to carry out the oil-water mixture pumping and mixing, the circulating passage 33 includes a third gear pump 331, a first connecting pipe 332 and a second connecting pipe 333, both ends of the first connecting pipe 332 are connected with one end of the detection mechanism 32 and the mixing container 31 respectively, both ends of the second connecting pipe 333 are connected with the other end of the detection mechanism 32 and the mixing container 31 respectively, the third gear pump 331 is installed on the first connecting pipe 332, and the liquid in the mixing container 31 is circulated and stirred by the third gear pump 331, and when the stirred mixed solution passes through the detection mechanism 32, the current capacitance value is read.

[0037] It can be understood that the first gear pump 12, the second gear pump 22 and the third gear pump 331 can all use a gear pump speed regulating motor with a model number of LW400-5N, the motor is an assembly device with the gear pump, and the speed thereof is adjusted by outputting a 0-5V voltage or by a potentiometer. At the same time, the motor has a feedback analog pulse signal to the tablet computer, so as to calculate the speed. Moreover, the speed of the gear pump debugging motor can be controlled by an analog data acquisition card, wherein the analog data acquisition card can use a multifunctional data acquisition card with a model number of PCI-1706U, the speed of the gear pump debugging motor is controlled by setting the internal 0-5V analog voltage value of the card, and the feedback speed is obtained by receiving the analog pulse signal of the motor.

[0038] Further, in order to calibrate the capacitance sensor, the detection mechanism 32 includes a calibration tool 321 and a capacitance sensor 322, the calibration tool 321 is connected with the mixing container 31 through the circulating passage 33, and the capacitance sensor 322 is inserted into the calibration tool 321, by inserting the capacitance sensor 322 to be calibrated into the calibration tool 321, the capacitance value measured according to the quantitative oil-water mixture can be calibrated.

[0039] Specifically, in order to facilitate installation and disassembly, the calibration tool 321 includes a box body 321a, a plurality of sockets 321b are formed in the box body 321a, the capacitance sensor 322 is inserted into the socket 321b one by one, and the installation of the capacitance sensor 322 can be achieved by inserting and locking.

[0040] Further, in order to achieve more accurate quantitative proportioning effect, the mixing container 31 comprises a container body 311 and a weighing base 312, the container body 311 is detachably mounted on the weighing base 312, the weighing base 312 is used to detect the weight of the solution inside the container body 311, and the calibration proportioning is performed through the weighing base 312, wherein the weighing base 312 is composed of a seat body and a weighing sensor mounted on the seat body. First, pure oil is injected from the first gear pump 12 into the mixing container 31, and the weighing base 312 reads the current mass of the pure oil, which is converted into volume through V=m / ρ, when the read V is consistent with the set pure oil volume, the first gear pump 12 can be stopped working; then distilled water is injected from the second gear pump 22 into the mixing container 31, and the weighing base 312 reads the current mass of the distilled water, which is converted into volume through V=m / ρ, when the read V is consistent with the set distilled water volume, the second gear pump 22 is stopped working; finally, the third gear pump 331 on the circulating passage 33 is used to circulate and stir the liquid in the mixing container 31, when the mixed solution after stirring passes through the calibration tool 321, the capacitance sensor 322 reads the current capacitance value and records it to the database.

[0041] Further, in order to lift and move each part and have a protective effect, a box body 4 is further included, the oil supply assembly 1, the distilled water supply assembly 2 and the mixing detection assembly 3 are all mounted on the box body 4.

[0042] It can be understood that the box body 4 is further provided with a storage frame, the storage frame can be used to place a plurality of container bodies 311 so as to facilitate replacement of the container body 311; the pipeline connections on the container body 311 are all detachable connections, which can facilitate connection and disconnection of the pipeline; the pipeline connections on the container body 311 are provided on the cover body, the cover body can be detached from the container body 311, and the container body 311 is convenient to clean.

[0043] In one embodiment, please refer to Figure 1 、 Figure 2 and Figure 3In order to record data for calibration control, the control box 5 is further provided with a tablet computer 51 and a communication module 52, the oil supply assembly 1, the distilled water supply assembly 2 and the mixed detection assembly 3 are electrically connected with the communication module 52, and the communication module 52 is electrically connected with the tablet computer 51. The tablet computer 51 can be a model PPC-615W-PTA touchable integrated machine with a fan, the RS485 communication terminal of the integrated industrial tablet computer is connected to the RS485 communication hub, and the temperature and capacitance value signals of the four groups of water-in-oil sensors can be simultaneously collected, analyzed and saved. The display screen displays the real-time detection data and real-time curve, and the various parameters of the water-in-oil sensor can be calibrated and set, so that the expected purpose is achieved.

[0044] It can be understood that the capacitance sensor 322 can transmit data to the tablet computer 51 through the RS485 communication module for display and data recording.

[0045] Further, the control box 5 is further provided with a storage battery 53 for supplying power to various electrical elements, wherein the storage battery 53 can be a large-capacity lithium battery for supplying power to the entire water-in-oil calibration instrument, and the installation is convenient and the charging speed is fast.

[0046] Further, the capacitance sensor 322 can be a full alloy temperature capacitance integrated detection sensor, which is connected to the hub through the RS485 communication mode and uploads the capacitance value and temperature value to the integrated industrial tablet computer.

[0047] In addition, in order to automatically match, a PLC programmable controller can be further installed, the speed of the gear pump is controlled through the analog output of the PLC, when there is liquid in the pipeline of the oil storage container and the distilled water storage container, the liquid in the pipeline can be sucked back into the oil storage container and the distilled water storage container through the reverse voltage given by the analog output module. Moreover, after the RS485 communication module is assembled in the PLC, the data of the weighing sensor in the weighing sensor amplifier module is read in real time through the protocol, the mass is converted into volume, and the skinning weighing is performed. Further, the mass of the pure oil and the pure distilled water poured by the gear pump is read after the weighing sensor is skinned and converted into volume, when the current volume of the pure oil and the volume of the pure distilled water are consistent with the set value in the integrated computer, the PLC sends an instruction to control the gear pump to stop working.

[0048] In order to better understand the present application, the following will be combined with Figures 1 to 3The technical scheme of the utility model is explained in detail: the oil liquid supply assembly 1 quantitatively guides pure oil into the container body 311 through the first gear pump 12, and the pure oil is weighed by the weighing base 312 to calibrate; the distilled water supply assembly 2 quantitatively guides distilled water into the container body 311 through the second gear pump 22, and the distilled water is weighed by the weighing base 312 to calibrate; then the third gear pump 331 is started to form circulating flow, the pure oil and the distilled water are mixed, and after mixing is stable, the capacitance sensor 322 on the calibration tool 321 is passed through, the capacitance value after being stable is read, and the data is recorded by the tablet computer 51; according to the quantitative setting of the oil-water content ratio, the corresponding capacitance value is stored in the database, and the calibration purpose is achieved.

[0049] The specific embodiment of the utility model described above does not constitute the limitation of the protection scope of the utility model. Any various other corresponding changes and deformation made according to the technical concept of the utility model should be contained in the protection scope of the utility model claim.

Claims

1. An in-oil water-in-water prover characterized by, The application relates to an oil-water mixing and detecting device. The device comprises an oil supply assembly, a distilled water supply assembly and a mixing and detecting assembly. The oil supply assembly is provided with an oil outlet for quantitatively delivering pure oil. The distilled water supply assembly is provided with a water outlet for quantitatively delivering distilled water. The mixing and detecting assembly comprises a mixing container, a detecting mechanism and a circulating channel.

2. The hydrometry prover according to claim 1, characterized in that The mixing container is connected with the oil outlet and the water outlet and communicates with the oil outlet and the water outlet.

3. The hydrometry prover according to claim 2, characterized in that The circulating channel is connected between the mixing container and the detecting mechanism.

4. The oil-in-water prover of claim 1, wherein, The oil-water mixture is circulated between the mixing container and the detecting mechanism.

5. The oil-in-water prover of claim 1, wherein, The detecting mechanism detects the capacitance value of the oil-water mixture.

6. The oil-in-water prover of claim 1, wherein, The detecting mechanism comprises a calibration tool and a capacitance sensor.

7. The oil-in-water prover of claim 1, wherein, The calibration tool is connected with the mixing container through the circulating channel.

8. The oil-in-water prover of claim 1, wherein, The capacitance sensor is inserted into the calibration tool.

9. The oil-in-water prover of claim 1, wherein, The calibration tool comprises a box body provided with a plurality of insertion ports.

10. The hydrometry prover according to claim 9, characterized in that The capacitance sensor is inserted into the insertion ports one by one. The oil supply assembly comprises an oil storage tank and a first gear pump. The first gear pump is connected with the mixing container and the oil storage tank through a pipeline. The distilled water supply assembly comprises a water storage tank and a second gear pump. The second gear pump is connected with the mixing container and the water storage tank through a pipeline. The circulating channel comprises a third gear pump, a first connecting pipe and a second connecting pipe. The two ends of the first connecting pipe are respectively connected with one end of the detecting mechanism and the mixing container. The two ends of the second connecting pipe are respectively connected with the other end of the detecting mechanism and the mixing container. The third gear pump is installed on the first connecting pipe. The oil supply assembly, the distilled water supply assembly and the mixing and detecting assembly are installed on a box body. The mixing container comprises a container body and a weighing base. The container body is detachably installed on the weighing base. The weighing base is used for detecting the weight of the solution in the container body. The device further comprises a control box. The control box is provided with a tablet computer and a communication module. The oil supply assembly, the distilled water supply assembly and the mixing and detecting assembly are electrically connected with the communication module. The communication module is electrically connected with the tablet computer. The control box is further provided with a storage battery.

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