CN115507918A

CN115507918A - Transformer oil level detection method and system based on ultrasonic principle

Info

Publication number: CN115507918A
Application number: CN202211182945.0A
Authority: CN
Inventors: 柏冲冲; 杨鹏; 邹圣恺
Original assignee: Dai Tian Intelligence Technology Shanghai Co ltd
Current assignee: Dai Tian Intelligence Technology Shanghai Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2022-12-23
Anticipated expiration: 2042-09-27
Also published as: CN115507918B

Abstract

The application relates to a transformer oil level detection method and a system thereof based on an ultrasonic principle, relating to the field of oil level detection technology and comprising the following steps: acquiring overall weight detection information; calculating the difference between the weight information of the oil conservator and the whole weight detection information to obtain the weight information of the oil material; analyzing and matching oil volume information corresponding to the oil weight information and the conservator parameters; analyzing and matching simulated oil level distance information corresponding to the oil volume information and the conservator parameters, and controlling a stirring device to stir; after the holding time, acquiring stirring oil level distance detection information; analyzing and matching oil level correction values corresponding to the stirring oil level distance detection information, the oil weight information and the conservator parameters; and correcting the simulated oil level distance information according to the oil level correction value to generate a corrected oil level distance value. The application has the effect of improving the accuracy in oil level measurement.

Description

Transformer oil level detection method and system based on ultrasonic principle

Technical Field

The application relates to the field of oil level detection technology, in particular to a transformer oil level detection method and system based on an ultrasonic principle.

Background

And oil in the transformer oil tank is used for cooling the transformer. When the transformer runs in an overload state, oil in the oil tank expands due to overhigh temperature, and the oil is stored in an oil conservator of the transformer. When the temperature is too low, in order to fill the oil tank with oil and ensure the safe operation of the transformer, the oil conservator is needed to supplement oil to the oil tank.

In the related art, the oil level of the conservator is usually detected by a horizontal glass tube indicator. The horizontal glass tube indicator adopts a U-shaped liquid level meter pressure balance principle, and detects the oil level in the oil conservator through a completely mechanical structure.

With respect to the related art in the above, the inventors consider that: the oil level in the conservator is detected through the horizontal glass tube indicator, and due to the fact that new oil is added, the oil level can be mixed with the remaining oil in the conservator, the horizontal glass tube indicator is easily interfered by false oil levels caused by different kinds of oil, the oil level is inaccurate to measure, and an improved space is provided.

Disclosure of Invention

In order to improve the accuracy of oil level measurement, the application provides a transformer oil level detection method and a transformer oil level detection system based on an ultrasonic principle.

In a first aspect, the application provides a method for detecting an oil level of a transformer based on an ultrasonic principle, which adopts the following technical scheme:

the transformer oil level detection method based on the ultrasonic principle comprises the following steps:

acquiring integral weight detection information of the conservator and the oil;

calculating the difference between the preset conservator weight information and the whole weight detection information, and defining the calculated difference as oil weight information;

analyzing according to the oil weight information, the conservator parameters and the oil volume information stored in the preset oil volume database to match the oil volume information corresponding to the oil weight information and the conservator parameters;

analyzing according to the simulated oil level distance information, the oil volume information and the conservator parameters stored in the preset oil level database to match the simulated oil level distance information corresponding to the oil volume information and the conservator parameters, and controlling a stirring device preset at the bottom of the conservator to be started to stir the oil;

after the stirring device is started for the preset holding time, acquiring the current stirring oil level distance detection information between a detection point preset on the stirring device and the oil surface;

analyzing according to the stirring oil level distance detection information, the oil weight information, the conservator parameters and the oil level correction value stored in the preset oil level correction database to match the oil level correction value corresponding to the stirring oil level distance detection information, the oil weight information and the conservator parameters;

and correcting the simulated oil level distance information according to the oil level correction value to generate a corrected oil level distance value.

By adopting the technical scheme, the oil is stirred by the stirring device, so that different kinds of oil are fully mixed, the oil level correction value is obtained according to the measured stirring oil level distance detection information, the simulated oil level distance information is corrected according to the oil level correction value, and the corrected oil level distance information is generated, so that the accuracy of oil level detection is improved.

Optionally, the stirring control method of the stirring device includes:

analyzing according to the oil weight information, the power parameters and the stirring image information stored in the preset power database to match the power parameters and the stirring image information corresponding to the oil weight information;

controlling a driving device which is preset at the bottom of the conservator and is separated from the oil material to drive a stirring device to stir according to the power parameters, and synchronously acquiring current stirring image detection information of the oil surface after the holding time;

judging whether the stirring image corresponding to the current stirring image detection information is consistent with the stirring image corresponding to the stirring image information;

if the stirring image corresponding to the current stirring image detection information is consistent with the stirring image corresponding to the stirring image information, controlling the driving device to pause stirring of the stirring device;

if the stirring image corresponding to the current stirring image detection information is inconsistent with the stirring image corresponding to the stirring image information, acquiring current detection information of the side wall image of the conservator;

judging whether the conservator side wall image corresponding to the current conservator side wall image detection information is consistent with the conservator side wall image corresponding to the preset reference conservator side wall image information or not;

if the conservator side wall image corresponding to the current conservator side wall image detection information is consistent with the conservator side wall image corresponding to the reference conservator side wall image information, alarming;

if the conservator side wall image corresponding to the current conservator side wall image detection information is inconsistent with the conservator side wall image corresponding to the reference conservator side wall image information, analyzing according to the oil weight information, the conservator side wall image detection information and the power correction value stored in the preset correction power database to match the power correction value corresponding to the oil weight information and the conservator side wall image detection information;

and correcting the power parameter according to the power correction value, and controlling the driving device to drive the stirring device to stir according to the corrected power parameter.

By adopting the technical scheme, the driving device drives the stirring device to stir the oil material according to the matched power parameters, so that the oil surface stirring image is consistent with the preset stirring image, the accuracy of the stirring image is improved, and the accuracy of oil level detection is improved. And correcting the power parameter through the power correction value, so that the oil level stirring image is closer to an accurate stirring image, and the accuracy of the oil level stirring image is improved.

Optionally, the method for checking the power correction value includes:

acquiring current factice characteristic detection information of the inner side wall of the oil conservator;

judging whether the ointment characteristics corresponding to the current ointment characteristic detection information are consistent with the ointment characteristics corresponding to the preset standard ointment characteristic information or not;

if the factice characteristics corresponding to the factice characteristic detection information are inconsistent with the factice characteristics corresponding to the reference factice characteristic information, current outer wall image detection information of the conservator is obtained;

judging whether the outer wall image corresponding to the outer wall image detection information is consistent with the outer wall image corresponding to the preset outer wall image information or not;

if the outer wall image corresponding to the outer wall image detection information is consistent with the outer wall image corresponding to the outer wall image information, defining that the outer wall of the conservator is normal, prompting, and controlling a driving device to drive a stirring device to stir by using power parameters;

if the outer wall image corresponding to the outer wall image detection information is inconsistent with the outer wall image corresponding to the outer wall image information, defining the outer wall depression of the conservator, and analyzing and distributing according to the outer wall image detection information and the depression correction parameters stored in a preset outer wall database to calculate the depression correction parameters corresponding to the outer wall image detection information;

correcting the power parameter according to the recess correction parameter, and controlling the driving device to drive the stirring device to continue stirring according to the corrected power parameter;

if the factice characteristics corresponding to the factice characteristic detection information are consistent with the factice characteristics corresponding to the reference factice characteristic information, acquiring bevel edge distance detection information from the identification point to the preset factice point from the preset identification point;

analyzing according to the ointment thickness information and the bevel edge distance detection information stored in the preset ointment thickness database to match ointment thickness information corresponding to the bevel edge distance detection information;

analyzing according to the oil weight information, the factice thickness information and the check correction value stored in the preset check power database to match the check correction value corresponding to the oil weight information and the factice thickness information;

judging whether the check correction value is consistent with the power correction value;

if the verification correction value is consistent with the power correction value, completing verification, and correcting the power parameter by the power correction value;

and if the check correction value is inconsistent with the power correction value, calculating the average value of the check correction value and the power correction value, and correcting the power parameter by taking the average value as the correction value.

By adopting the technical scheme, the power parameter is corrected by the depression correction parameter, and after the outer side wall of the oil conservator is impacted, the oil surface stirring image consistent with the stirring image is still obtained when the side wall of the oil conservator is depressed, so that the accuracy of the oil level stirring image is improved. And correcting the power parameter by using the verification correction value, so that the driving device controls the stirring device to stir by using the corrected power parameter, and the accuracy of generating an oil level stirring image is improved.

Optionally, if the conservator sidewall image corresponding to the current conservator sidewall image detection information is consistent with the conservator sidewall image corresponding to the reference conservator sidewall image information, the method for detecting the power of the driving device includes:

acquiring current rotation turn number detection information of a driving device and current moving distance detection information of a stirring device;

analyzing according to the rotation turn number detection information and the moving distance information stored in the rotation database to match the moving distance information corresponding to the rotation turn number information;

judging whether the moving distance value corresponding to the moving distance detection information is consistent with the moving distance value corresponding to the moving distance information or not;

if the moving distance value corresponding to the moving distance detection information is consistent with the moving distance value corresponding to the moving distance information, warning;

if the moving distance value corresponding to the moving distance detection information is inconsistent with the moving distance value corresponding to the moving distance information, current voltage parameter detection information of the driving device is obtained;

judging whether the voltage value corresponding to the voltage parameter detection information is smaller than the voltage value corresponding to the preset voltage parameter information;

if the voltage value corresponding to the voltage parameter detection information is smaller than the voltage value corresponding to the voltage parameter information, controlling a preset power supply device to supply power according to the preset voltage value;

if the voltage value corresponding to the voltage parameter detection information is not smaller than the voltage value corresponding to the voltage parameter information, current audio detection information of the driving device is obtained;

judging whether the audio corresponding to the audio detection information is consistent with the audio corresponding to the preset reference audio information;

if the audio corresponding to the audio detection information is inconsistent with the audio corresponding to the reference audio information, performing maintenance warning;

and if the audio corresponding to the audio detection information is consistent with the audio corresponding to the reference audio information, warning.

By adopting the technical scheme, the power of the driving device is detected, whether the oil level stirring image is inconsistent with the stirring image due to insufficient power of the driving device is judged, and the accuracy of the oil level stirring image is improved. Provide the voltage of adaptation for drive arrangement through power supply unit, improve the efficiency of drive arrangement drive agitating unit to the oil stirring. Whether the driving device breaks down or not is judged by detecting audio information sent by the driving device, and the monitoring effect on the driving device is improved.

Optionally, analyzing according to the maximum power parameter and the oil weight information stored in the preset reference power database to match the maximum power parameter corresponding to the oil weight information;

judging whether the power parameter or the corrected power parameter exceeds the maximum power parameter;

if the power parameter or the corrected power parameter does not exceed the maximum power parameter, controlling the driving device to drive the stirring device to stir by using the power parameter or the corrected power parameter;

if the power parameter or the corrected power parameter exceeds the maximum power parameter, controlling a driving device to drive a stirring device to stir by the maximum power parameter within preset stirring time;

after the stirring time, acquiring the current rotation image detection information of the oil level;

analyzing according to the oil weight information, the conservator parameters and the rotating image information stored in the preset rotating image database to match the rotating image information corresponding to the oil weight information and the conservator parameters;

judging whether the rotating image corresponding to the current rotating image detection information is consistent with the rotating image corresponding to the rotating image information;

if the rotating image corresponding to the rotating image detection information is consistent with the rotating image corresponding to the rotating image information, the driving device is suspended from driving the stirring device to stir;

and if the rotating image corresponding to the rotating image detection information is inconsistent with the rotating image corresponding to the rotating image information, the driving device is suspended to drive the stirring device to stir, and the telescopic device preset at the top of the oil conservator is controlled to control the preset stirring rod to enter the oil and rotate in the same direction as the rotating direction of the oil.

Through adopting above-mentioned technical scheme, when drive arrangement power is not enough, make the telescoping device control stirring rod get into the oil and stir the oil to compensate the influence that drive arrangement power is not enough to cause the oil level stirring image, improve the accuracy of oil level stirring image, thereby improve the accuracy that the oil level detected.

Optionally, the method for quickly generating a blending image includes:

after the holding time, acquiring current distance detection information from a blowing device preset at the top of the conservator to the oil level;

judging whether the distance value corresponding to the current distance detection information is larger than the distance value corresponding to the preset reference distance information or not;

if the distance value corresponding to the current distance detection information is smaller than or equal to the distance value corresponding to the reference distance information, the blowing device does not blow air;

if the distance value corresponding to the current distance detection information is larger than the distance value corresponding to the reference distance information, analyzing according to the blowing angle information, the blowing power parameter and the distance detection information stored in the preset angle database to match the blowing angle information and the blowing power parameter corresponding to the distance detection information;

and controlling a preset adjusting device to adjust the angle of the blowing device according to the blowing angle information, and controlling the blowing device to blow according to the blowing power parameter.

Through adopting above-mentioned technical scheme, make blast apparatus when drive arrangement starts, blow to the oil level, improve the efficiency that oil level stirring image generated. The angle of the air blowing device is adjusted through the adjusting device, so that the angle detection information is consistent with the air blowing angle information, the air blowing device can blow the oil level more accurately, and the generation efficiency of the stirring image is improved.

Optionally, the method for correcting the stirring oil level distance detection information includes:

after the holding time, acquiring moving oil level distance detection information from the synchronously moving detection point to the oil surface;

analyzing according to the interval time value, the conservator parameter, the power parameter and the oil weight information stored in the preset interval time database to match the interval time value corresponding to the conservator parameter, the power parameter and the oil weight information;

after the interval time value, sequentially acquiring the distance detection information from the moved detection point to the dynamic oil level on the circumference of the moving oil surface until the detection point moves 360 degrees;

calculating the average value of the distances corresponding to the dynamic oil level distance detection information, and defining the average value as average oil level information;

analyzing according to the moving oil level distance detection information, the average oil level information and the stirring oil level correction value stored in the preset correction database to match the stirring oil level correction value corresponding to the moving oil level distance detection information and the average oil level information;

the stirring oil level distance detection information is corrected based on the stirring oil level correction value to generate stirring oil level correction distance information.

By adopting the technical scheme, the stirring oil level correction value corrects the stirring oil level distance detection information, so that the accuracy of the stirring oil level distance detection information is improved, and the accuracy of real oil level detection is improved.

In a second aspect, the present application provides a transformer oil level detection system based on an ultrasonic principle, which adopts the following technical scheme:

the system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring overall weight detection information, stirring oil level distance detection information, stirring image detection information, conservator side wall image detection information, factice characteristic detection information, outer wall image detection information, bevel edge distance detection information, rotation circle number detection information, moving distance detection information, voltage parameter detection information, audio detection information, rotation image detection information, distance detection information, blowing angle detection information, moving oil level distance detection information and other oil level distance detection information;

a memory for storing a program of the ultrasonic-based oil level detection method of the transformer as described above;

and the processor, wherein the program in the memory can be loaded and executed by the processor and realizes the transformer oil level detection method based on the ultrasonic principle.

By adopting the technical scheme, the acquisition module acquires the relevant information required by oil level detection, and uploads the relevant information to the memory. And the processor loads a program for executing the oil level detection method stored in the processor, and performs calculation processing on the relevant information stored in the memory, so that an oil level value is obtained, and the efficiency and the accuracy of oil level detection are improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the simulated oil level distance information is corrected by acquiring the simulated oil level distance information and using the oil level correction value, so that an accurate oil level value is obtained, and the accuracy of oil level detection is improved;

2. the driving device is controlled to drive the stirring device to stir the oil, so that the oil is more uniform, and the oil level is more accurately measured;

3. enabling the stirring image to be generated quickly through a preset blowing device; through predetermineeing the stirring rod, when agitating unit power is not enough, the control stirring rod stirs, has improved the efficiency that the oil level detected.

Drawings

Fig. 1 is a simplified schematic diagram of an ultrasonic-based oil level detection device for a transformer according to an embodiment of the present invention.

Fig. 2 is a schematic flow chart of the oil level detection method.

Fig. 3 is a schematic flow chart of a stirring control method of the stirring apparatus.

Fig. 4 is a flowchart illustrating a method for verifying a power correction value.

Fig. 5 is a flowchart illustrating a power detection method of the driving apparatus.

Fig. 6 is a flow chart diagram of a power replenishment method of the drive device.

Fig. 7 is a flowchart illustrating a method of quickly generating a blend image.

Fig. 8 is a flowchart illustrating a method of correcting the stirring oil level distance detection information.

Fig. 9 is a flowchart illustrating a verification method for correcting the oil level distance value.

Reference numerals: 1. a stirring device; 2. a drive device; 3. rotating the disc; 4. a magnet; 5. an ultrasonic transmitter; 6. a separator plate; 7. a blowing device; 8. an adjustment device; 9. a telescopic device; 10. a stirring rod; 11. a camera; 12. an oil conservator; 13. a motor; 14. and connecting ropes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-9 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

The embodiment of the application discloses transformer oil level detection method based on ultrasonic wave principle, refer to fig. 1, be provided with the transparent division board 6 that is used for keeping apart oil and drive arrangement 2 in the bottom of conservator 12, drive arrangement 2 is provided with rolling disc 3 and the magnet 4 that sets up on the rolling disc 3 including predetermineeing in the bottom of conservator 12 and motor 13, the motor 13 of oil separation, magnet 4 is connected with 1 magnetism of agitating unit to control agitating unit 1 and stir. The stirring device 1 is a magnetic stirring block preset at the bottom of the conservator 12. The driving device 2 is controlled to drive the stirring device 1 to stir the oil according to the matched power parameter or the corrected power parameter, so that the oil added into the oil conservator 12 at different moments is fully mixed, and an accurate oil surface stirring image is generated. The power parameter is the power value when the stirring device 1 stirs the oil. Make the ultrasonic transmitter 5 that sets up with the position that magnet 4 contradicts on rolling disc 3 at the in-process transmission ultrasonic wave with agitating unit 1 synchronous motion, and receive the ultrasonic wave that the oil level reflected back to this carries out oil level detection to stirring image detection information, and revise the stirring oil level distance detection information that detects, make the stirring oil level distance detection information after revising and the simulation oil level distance that obtains according to oil weight and conservator parameter calculation revise once more, thereby make the oil level distance information that detects more accurate. The received ultrasonic waves reflected from the isolation plate 6 are filtered out in the present application. The detection information of the stirring image is shot by the camera 11, uploaded and stored in the memory to be called by a computer program. In order to make the oil surface form an oil surface stirring image quickly, the air blowing device 7 is arranged on the top of the oil conservator 12 in advance. According to the rotation direction of the oil level, the adjusting device 8 preset on the outer side of the top of the oil conservator 12 adjusts the angle of the blowing device 7, so that the blowing direction of the blowing device 7 is consistent with the rotation direction of the oil level. The adjusting device 8 is formed by connecting a motor 13 to the blowing device 7, and the motor 13 rotates to tighten the connecting rope 14 so as to control the angle of the blowing device 7. In order to supplement the situation of insufficient power of the driving device 2, the telescopic device 9 preset at the top of the oil conservator 12 controls the stirring rod 10 to enter the oil, so as to supplement the power required by the stirring of the oil. The telescopic device 9 is an electric push rod, and the power of the stirring rod 10 is larger than that of the driving device 2.

Referring to fig. 2, the method for detecting the oil level of the transformer based on the ultrasonic principle comprises the following steps:

step S100: and acquiring the integral weight detection information of the oil conservator 12 and the oil.

The overall weight detection information is the total weight of the conservator 12 and the oil in the conservator 12. Through the whole weight detection information of the oil conservator 12 and the oil, a precondition is made for deducing and calculating the weight information of the oil. The whole weight detection information is detected by a weighing sensor preset below the conservator 12, uploaded and stored in a memory to be called by a computer program.

Step S101: and calculating the difference between the preset conservator weight information and the whole weight detection information, and defining the calculated difference as oil weight information.

And subtracting the weight information of the conservator from the whole weight detection information to obtain the weight information of the oil. The conservator weight information is the preset weight of the conservator 12, and is set, uploaded and stored in the memory by a person skilled in the art according to the actual situation, so as to be called by the computer program, which is not described herein again.

Step S102: and analyzing according to the oil weight information, the conservator parameters and the oil volume information stored in the preset oil volume database to match the oil volume information corresponding to the oil weight information and the conservator parameters.

The oil volume database is a preset database and is set by a person skilled in the art according to actual conditions, oil weight information and conservator parameters related to the oil volume information are stored in the oil volume database, and the oil volume database is provided with a plurality of oil weight information and conservator parameters corresponding to the oil volume information. The oil weight information, the conservator parameters and the oil volume information are analyzed to match the oil volume information corresponding to the oil weight information and the conservator parameters, so that the volume information of the oil in the current conservator 12 is obtained. The conservator parameters are parameter information such as height and cross-sectional area of the conservator 12, and are set, uploaded and stored in a memory by a person skilled in the art according to actual conditions to be called by a computer program. When the shape of the conservator 12 is irregular, the cross-sectional area is inconsistent, resulting in inconsistent oil surface area, so that the oil surface area is made to correspond by matching the volume corresponding to the oil through the oil volume database.

Step S103: and analyzing according to the simulated oil level distance information, the oil volume information and the conservator parameters stored in the preset oil level database to match the simulated oil level distance information corresponding to the oil volume information and the conservator parameters, and controlling the stirring device 1 preset at the bottom of the conservator 12 to be started to stir the oil.

The oil level database is a preset database and is set by a person skilled in the art according to actual conditions, and oil volume information and conservator parameters related to the simulated oil level distance information are stored in the oil database and are provided with a plurality of oil volume information and conservator parameters corresponding to the simulated oil level distance information. And analyzing and calculating to obtain the distance information of the simulated oil level according to the oil volume information and the parameter information of the oil conservator. The simulated oil level distance information is oil level information obtained by calculating the weight, density, and height of the conservator 12 of the known oil. And (3) calculating the distance information of the simulated oil level, and simultaneously starting the stirring device 1 to stir the oil.

Step S104: after the stirring device 1 is started for the preset holding time, the current stirring oil level distance detection information between a detection point preset on the stirring device 1 and the oil surface is obtained.

The holding time is the time for the stirring device 1 to stir the oil, and is set by a person skilled in the art according to the actual situation, which is not described herein. And after the holding time, transmitting ultrasonic waves to the surface of the stirring oil, and receiving the ultrasonic waves reflected by the surface of the stirring oil, so as to obtain the distance detection information of the current stirring oil level. The stirring oil level distance detection information is the distance value from the middle circumference of the stirring oil level to the ultrasonic emitter 5 at the bottom of the oil conservator 12.

Step S105: and analyzing according to the stirring oil level distance detection information, the oil weight information, the conservator parameters and the oil level correction value stored in the preset oil level correction database to match the oil level correction value corresponding to the stirring oil level distance detection information, the oil weight information and the conservator parameters.

The oil level correction database is a preset database and is set by a person skilled in the art according to actual conditions, stirring oil level distance detection information, oil weight information and conservator parameters related to an oil level correction value are stored in the oil level correction database, and the oil level correction database is provided with a plurality of stirring oil level distance detection information, oil weight information and conservator parameters corresponding to the oil level correction value. The oil level correction value is a correction value for reducing the inaccuracy of the oil level caused by the oil weight information and the parameters of the conservator. And the oil level distance detection information, the oil weight information and the oil conservator parameters are obtained through analysis and calculation.

Step S106: and correcting the simulated oil level distance information according to the oil level correction value to generate a corrected oil level distance value.

And correcting the simulated oil level distance information through the oil level correction value, so that the simulated oil level distance information reduces the inaccuracy of the oil level caused by the oil weight, the oil conservator parameters and the like, and the corrected oil level distance value is obtained. The corrected oil level distance value is a real oil level distance value and is obtained by correcting the simulated oil level distance information through the oil level correction value.

Referring to fig. 3, the stirring control method of the stirring device 1 includes the steps of:

step S200: and analyzing according to the oil weight information, the power parameters and the stirring image information stored in the preset power database to match the power parameters and the stirring image information corresponding to the oil weight information.

The power database is a preset database and is set by a person skilled in the art according to actual conditions, and oil weight information and stirring image information related to the power parameters are stored in the power database and are provided with a plurality of oil weight information and stirring image information corresponding to the power parameters. So that the oil with different weights has corresponding stirring image information under corresponding power parameters. The stirring image information is a stirring image of the oil level, and is shot by a preset camera 11, uploaded and stored in a memory to be called by a computer program.

Step S201: and controlling a driving device 2 which is preset at the bottom of the oil conservator 12 and is separated from the oil material to drive the stirring device 1 to stir according to the power parameters, and synchronously acquiring the current stirring image detection information of the oil surface after the holding time.

The driving device 2 controls the stirring device 1 to stir the oil according to the power parameters, so that the oil surface rotates, the rotation is kept stable after the oil surface rotates for a certain time, and stirring image detection information is formed.

Step S202: and judging whether the stirring image corresponding to the current stirring image detection information is consistent with the stirring image corresponding to the stirring image information.

Whether the stirring image corresponding to the stirring image detection information is consistent with the stirring image corresponding to the stirring image information or not is judged, the driving device 2 is judged to control the stirring device 1 to stir the oil under the current power parameter, and therefore whether the generated stirring image is consistent with the preset stirring image or not is judged, and whether the stirring image detection information is the accurate stirring image or not is detected.

Step S201: and if the stirring image corresponding to the current detection information of the stirring image is inconsistent with the stirring image corresponding to the information of the stirring image, acquiring the current detection information of the image of the side wall of the oil conservator.

If the stirring image corresponding to the current detection information of the stirring image is inconsistent with the stirring image corresponding to the information of the stirring image, it is indicated that the stirring image corresponding to the detection information of the current stirring image is not an accurate stirring image, so that the detection information of the image of the sidewall of the conservator is obtained through the camera 11, and whether the influence is caused by the sidewall of the conservator 12 is judged. The conservator sidewall image detection information is the shape and attachment information of the inner and outer sidewalls of the conservator 12.

Step S202: if the blending image corresponding to the current blending image detection information is identical to the blending image corresponding to the blending image information, the driving device 2 is controlled to suspend the blending of the blending device 1.

If the stirring image corresponding to the current detection information of the stirring image is consistent with the stirring image corresponding to the information of the stirring image, it is indicated that the stirring image corresponding to the detection information of the current stirring image is an accurate stirring image, and the driving device 2 is continuously controlled to drive the stirring device 1 to stir the oil.

Step S203: and judging whether the conservator side wall image corresponding to the current conservator side wall image detection information is consistent with the conservator side wall image corresponding to the preset reference conservator side wall image information.

Whether the sidewall image of the conservator 12 changes or not is judged by judging whether the sidewall image of the conservator corresponding to the current sidewall image detection information of the conservator is consistent with the sidewall image of the conservator corresponding to the preset reference sidewall image information of the conservator, and whether the inaccurate stirring image is caused by the sidewall of the conservator 12 or not is further analyzed.

Step S2031: and if the conservator side wall image corresponding to the current conservator side wall image detection information is inconsistent with the conservator side wall image corresponding to the reference conservator side wall image information, analyzing according to the oil weight information, the conservator side wall image detection information and the power correction value stored in the preset correction power database to match the power correction value corresponding to the oil weight information and the conservator side wall image detection information.

If the conservator sidewall image corresponding to the current conservator sidewall image detection information is inconsistent with the conservator sidewall image corresponding to the reference conservator sidewall image information, it indicates that the stirring image inconsistency is caused by the sidewall of the conservator 12, and a power correction value for correcting the power parameter needs to be generated.

The correction power database is a preset database and is set by a person skilled in the art according to actual conditions, and oil weight information and conservator side wall image detection information related to power correction values are stored in the correction power database and have a plurality of oil weight information and conservator side wall image detection information corresponding to the power correction values. And analyzing and calculating the oil weight information, the detection information of the oil conservator side wall image and the power correction value to obtain the current power correction value.

Step S2032: and if the conservator side wall image corresponding to the current conservator side wall image detection information is consistent with the conservator side wall image corresponding to the reference conservator side wall image information, giving an alarm.

If the conservator sidewall image corresponding to the current conservator sidewall image detection information is consistent with the conservator sidewall image corresponding to the reference conservator sidewall image information, it is indicated that the stirring image is not accurate and is not the influence caused by the sidewall of the conservator 12, so that an alarm is given and a worker is prompted to check. The alarm device is set by a person skilled in the art according to the actual situation, and is not described herein.

Step S204: and correcting the power parameter according to the power correction value, and controlling the driving device 2 to drive the stirring device 1 to stir according to the corrected power parameter.

The power parameter is corrected through the power correction value, so that the driving device 2 drives the stirring device 1 to stir the oil material according to the corrected power parameter, and therefore the stirring image is more accurate, and the accuracy of oil level measurement is improved.

Referring to fig. 4, the method for verifying the power correction value includes the following steps:

step S300: and acquiring the current factice characteristic information of the inner side wall of the oil conservator 12.

The ointment characteristic information is the color characteristic parameter information of the ointment, is shot by the camera 11, uploaded and stored in the memory for the computer program to call

Step S301: and judging whether the factice characteristics corresponding to the current factice characteristic information are consistent with those corresponding to the preset reference factice characteristic information.

Whether factice exists on the inner side wall of the oil pillow 12 or not is judged by judging whether factice characteristics corresponding to current factice characteristic information are consistent with factice characteristics corresponding to preset benchmark factice characteristic information or not. The reference ointment characteristic information is a preset correct ointment image, and is set, uploaded and stored in a memory by a person skilled in the art according to actual conditions to be called by a computer program.

Step S3011: and if the factice characteristics corresponding to the current factice characteristic information are inconsistent with the factice characteristics corresponding to the reference factice characteristic information, acquiring the current outer wall image detection information of the oil conservator 12.

If the factice characteristics corresponding to the current factice characteristic information are inconsistent with the factice characteristics corresponding to the reference factice characteristic information, the fact that the factice is not adhered to the inner side wall of the oil conservator 12 is indicated, and therefore the fact that the stirring image is inaccurate is not caused by the fact that attachments are arranged on the inner side wall of the oil conservator 12, and therefore the outer wall of the oil conservator 12 is detected. The outer wall image detection information is the shape information of the outer wall of the current conservator 12, is shot by the camera 11, is uploaded and stored in the memory, and is called by the computer program.

Step S30111: and judging whether the outer wall image corresponding to the outer wall image detection information is consistent with the outer wall image corresponding to the preset outer wall image information.

Whether the outer wall image corresponding to the outer wall image detection information is consistent with the outer wall image corresponding to the preset outer wall image information or not is judged, so that whether the outer wall of the oil conservator 12 is impacted and deformed or not is judged. The outer wall image information is a preset outer wall image, and is set, uploaded and stored in a memory by a person skilled in the art according to actual conditions to be called by a computer program.

Step S301111: if the outer wall image corresponding to the outer wall image detection information is consistent with the outer wall image corresponding to the outer wall image information, the outer wall of the oil conservator 12 is defined to be normal and is prompted, and the power parameter control driving device 2 is used for driving the stirring device 1 to stir.

If the outer wall image corresponding to the outer wall image detection information is consistent with the outer wall image corresponding to the outer wall image information, it is indicated that the outer wall of the conservator 12 is not impacted and deformed, and the like, so that the outer wall of the conservator 12 is defined to be normal, a worker is prompted, and the driving device 2 is enabled to continuously drive the stirring device 1 to stir according to the power parameter. The prompting mode for the staff is set by the technicians in the field according to the actual situation, and is not described herein.

Step S301112: if the outer wall image corresponding to the outer wall image detection information is not consistent with the outer wall image corresponding to the outer wall image information, it is indicated that the outer wall of the conservator 12 has impact deformation and the like, so that the outer wall of the conservator 12 is defined to be concave, and the concave correction parameters are obtained from the outer wall database.

The outer wall database is a preset database and is set by a person skilled in the art according to actual conditions, and the outer wall database stores outer wall image detection information related to the recess correction parameters and has a plurality of outer wall image detection information corresponding to the recess correction parameters. The sag correction parameter is a correction value for correcting the power parameter when the outer wall of the conservator 12 sags.

Step S30112: and correcting the power parameter according to the recess correction parameter, and controlling the driving device 2 to drive the stirring device 1 to continue stirring according to the corrected power parameter.

The power parameter is corrected by the recess correction parameter, so that the power parameter is closer to the correct power parameter capable of realizing the stirring of the image, and meanwhile, the driving device 2 is controlled to drive the stirring device 1 to continuously stir the oil material by the corrected power parameter, so that the detection information of the stirring image of the oil material is consistent with the information of the stirring image, and the accuracy of the generated stirring image is improved.

Step S3012: and if the factice characteristics corresponding to the current factice characteristic information are consistent with the factice characteristics corresponding to the reference factice characteristic information, acquiring bevel edge distance detection information from the identification point to the preset factice point on the preset identification point.

If the ointment characteristic corresponding to the current ointment characteristic information is consistent with the ointment characteristic corresponding to the reference ointment characteristic information, it is indicated that the inconsistency between the current stirring image detection information and the stirring image is caused by the ointment on the inner side wall of the oil pillow 12. The information is detected by detecting the bevel edge distance from the identification point to the ointment point, so that a precondition is provided for obtaining the ointment thickness. The bevel edge distance detection information is the distance value from the identification point to the ointment point. The identification point is a camera 11 preset on the top of the conservator 12, and the specific position of the identification point is set by a person skilled in the art, which is not described herein. The ointment point is a point preset on the ointment, and is set by a person skilled in the art according to actual conditions, which is not described herein.

Step S30121: and analyzing according to the ointment thickness information and the bevel edge distance detection information stored in the preset ointment thickness database to match ointment thickness information corresponding to the bevel edge distance detection information.

The ointment thickness database is a preset database and is set by a person skilled in the art according to actual conditions, and bevel edge distance detection information related to ointment thickness information is stored in the ointment thickness database and is provided with a plurality of bevel edge distance detection information corresponding to the ointment thickness information. The ointment thickness information is the thickness value of the ointment. If the identification point is located at the center of the top of the oil conservator 12, the radius of the oil level is calculated according to the angle of the identification point for ranging and the detection information of the bevel edge distance, and the thickness information of the factice is obtained by subtracting the radius of the oil level from the radius of the oil conservator 12. If the identification point is not located at the center of the top of the oil conservator 12, the distance from the foot on the oil surface to the factice is calculated according to the angle for ranging the identification point and the bevel edge distance detection information, the radius of the oil surface is calculated according to the included angle between the foot and the radius of the oil surface, the distance between the foot and the factice point and the distance from the foot to the center of the oil surface, and the thickness information of the factice is obtained by subtracting the radius of the oil surface from the radius of the oil conservator 12.

Step S30122: and analyzing according to the oil weight information, the factice thickness information and the check correction value stored in the preset check power database to match the check correction value corresponding to the oil weight information and the factice thickness information.

The verification power database is a preset database and is set by a person skilled in the art according to actual conditions, and oil weight information and ointment thickness information related to the verification correction value are stored in the verification power database and are provided with a plurality of oil weight information and ointment thickness information corresponding to the verification correction value. And analyzing the matched oil weight information and the ointment thickness information to obtain a calibration correction value, thereby correcting the power correction value. The correction value is checked to reduce the inconsistency of the blended image due to the weight of the factice and the oil.

Step S30123: and judging whether the check correction value is consistent with the power correction value.

Whether the verification correction value is the same as the power correction value is judged by judging whether the verification correction value is consistent with the power correction value or not, so that the accuracy of generating the stirring image is improved.

Step S301231: and if the verification correction value is consistent with the power correction value, completing verification, and correcting the power parameter by using the power correction value.

If the verification correction value is consistent with the power correction value, the verification correction value is the same as the power correction value, the accuracy of the power database is shown, the power parameter is continuously corrected by the power correction value, and therefore the driving device 2 is controlled to drive the stirring device 1 to stir by the corrected power parameter.

Step S301232: if the check correction value is inconsistent with the power correction value, calculating an average value of the check correction value and the power correction value, and correcting the power parameter by taking the average value as the correction value.

If the check correction value is inconsistent with the power correction value, the check correction value is different from the power correction value, therefore, the inaccuracy exists in the correction power database, the average value of the check correction value and the power correction value is calculated, the power parameter is corrected by taking the average value as the correction value, and the accuracy of the power parameter is guaranteed.

Referring to fig. 5, if the conservator sidewall image corresponding to the current conservator sidewall image detection information matches the conservator sidewall image corresponding to the reference conservator sidewall image information, the method for detecting the power of the driving device 2 includes the following steps:

step S400: the current rotation turn number detection information of the driving device 2 and the current movement distance detection information of the stirring device 1 are acquired.

If the side wall of the conservator 12 is not the cause of the inaccurate image of the blending. The product of the perimeter and the number of times that the stirring device 1 rotates for one circle is calculated by judging the number of times that the driving device 2 and the stirring device 1 trigger a preset grating so as to obtain the moving distance detection information and obtain the rotation number detection information of the driving device 2. The detection information of the number of rotations is the number of rotations of the driving device 2. The movement distance detection information is the distance of rotation of the stirring apparatus 1.

Step S401: and analyzing according to the rotation turn number detection information and the moving distance information stored in the rotation database to match the moving distance information corresponding to the rotation turn number information.

The rotation database is a preset database and is set by a person skilled in the art according to actual conditions, rotation turn number detection information related to the moving distance information is stored in the rotation database, and the rotation database is provided with a plurality of rotation turn number detection information corresponding to the moving distance information.

Step S402: and judging whether the moving distance value corresponding to the moving distance detection information is consistent with the moving distance value corresponding to the moving distance information.

Whether the actual distance of the stirring device 1 moving under the driving of the driving device 2 is consistent with the theoretical distance is judged by judging whether the moving distance value corresponding to the moving distance detection information is consistent with the moving distance value corresponding to the moving distance information or not, so that whether the stirring image is inaccurate due to the fact that the driving device 2 and the stirring device 1 slip or not is determined.

Step S4021: if the moving distance value corresponding to the moving distance detection information is not consistent with the moving distance value corresponding to the moving distance information, the current voltage parameter detection information of the driving device 2 is acquired.

If the moving distance value corresponding to the moving distance detection information is not consistent with the moving distance value corresponding to the moving distance information, it is indicated that the stirring image is inaccurate because the driving device 2 and the stirring device 1 slip, and then the current voltage parameter detection information of the driving device 2 is obtained through a preset voltmeter and is output. The voltage parameter detection information is an output voltage value of the stirring device 1 driven by the driving device 2 for stirring, and is set by a person skilled in the art according to actual conditions, which is not described herein again.

Step S4022: and if the moving distance value corresponding to the moving distance detection information is consistent with the moving distance value corresponding to the moving distance information, warning.

If the moving distance value corresponding to the moving distance detection information is consistent with the moving distance value corresponding to the moving distance information, it indicates that the actual distance of the stirring device 1 moving under the driving of the driving device 2 is the same as the theoretical distance, and indicates that the inaccurate stirring image is not caused by the slipping of the driving device 2 and the stirring device 1, so as to warn and enable the staff to check. The manner of the warning is set by the skilled person according to the actual situation, and is not described herein.

Step S403: and judging whether the voltage value corresponding to the voltage parameter detection information is smaller than the voltage value corresponding to the preset voltage parameter information.

And judging whether the voltage value corresponding to the voltage parameter detection information is smaller than the voltage value corresponding to the preset voltage parameter information or not so as to judge whether the image stirring inaccuracy is caused by the fact that the output voltage value is smaller than the preset correct voltage value or not. The voltage parameter information is a correct voltage value required for stirring the oil level, and is set by a person skilled in the art according to actual conditions, which is not described herein.

Step S4031: if the voltage value corresponding to the voltage parameter detection information is not less than the voltage value corresponding to the voltage parameter information, the current audio detection information of the driving device 2 is obtained.

If the voltage value corresponding to the voltage parameter detection information is not less than the voltage value corresponding to the voltage parameter information, it indicates that the voltage of the driving device 2 is normal, and the inaccurate stirring image is not caused by insufficient voltage of the driving device 2, so that the audio detection information of the driving device 2 is obtained through a preset sound sensor. The audio detection information is information when the drive apparatus 2 is operating.

Step S4032: and if the voltage value corresponding to the voltage parameter detection information is smaller than the voltage value corresponding to the voltage parameter information, controlling the preset power supply device to supply power according to the preset voltage value.

If the voltage value corresponding to the voltage parameter detection information is smaller than the voltage value corresponding to the voltage parameter information, it indicates that the image stirring inaccuracy is caused by the output voltage value being smaller than the correct voltage value, and therefore the power supply device is controlled to supply power to the driving device 2 by using the correct voltage value. The power supply device is a preset device for supplying power to the driving device 2, and is set by a person skilled in the art according to actual conditions, which is not described herein.

Step S404: and judging whether the audio corresponding to the audio detection information is consistent with the audio corresponding to the preset reference audio information.

By judging whether the audio corresponding to the audio detection information is consistent with the audio corresponding to the preset reference audio information, it is judged whether the driving device 2 is operating normally. The reference audio information is correct audio information when the driving apparatus 2 operates normally, and is set by a person skilled in the art according to actual conditions, which is not described herein again.

Step S4041: and if the audio corresponding to the audio detection information is consistent with the audio corresponding to the reference audio information, warning.

If the audio corresponding to the audio detection information is consistent with the audio corresponding to the reference audio information, it indicates that the driving device 2 is not in fault, and the reason for inaccurate stirring image is not caused by the driving device 2, so that the warning is given, and the staff is prompted to perform more precise inspection. The manner of the warning is set by the skilled person according to the actual situation, and is not described herein.

Step S4042: and if the audio corresponding to the audio detection information is inconsistent with the audio corresponding to the reference audio information, performing maintenance warning.

If the audio corresponding to the audio detection information is inconsistent with the audio corresponding to the reference audio information, it indicates that the driving apparatus 2 has a fault, and thus, a maintenance warning is performed. The warning mode is set by a person skilled in the art according to the actual situation, and is not described herein.

With reference to fig. 6, the method of power replenishment of the drive means 2 comprises the following steps:

step S500: and analyzing according to the maximum power parameter and the oil weight information stored in the preset reference power database to match the maximum power parameter corresponding to the oil weight information.

The reference power database is a preset database and is set by a person skilled in the art according to actual conditions, and the reference database stores oil weight information related to the maximum power parameter and has a plurality of oil weight information corresponding to the maximum power parameter. The maximum power parameter is a power parameter required for stirring the corresponding oil weight, and is set by a person skilled in the art according to actual conditions, which is not described herein.

Step S501: and judging whether the power parameter or the corrected power parameter exceeds the maximum power parameter.

And judging whether the current driving device 2 drives the stirring device 1 to stir by the maximum power parameter by judging whether the power parameter or the corrected power parameter exceeds the maximum power parameter.

Step S5011: if the power parameter or the corrected power parameter exceeds the maximum power parameter, controlling the driving device 2 to drive the stirring device 1 to stir according to the maximum power parameter within the preset stirring time.

If the power parameter or the corrected power parameter exceeds the maximum power parameter, it indicates that the driving device 2 drives the stirring device 1 to stir with the maximum power parameter, and the most accurate stirring image cannot be obtained. And continuously controlling the driving device 2 to drive the stirring device 1 to stir at the maximum power parameter within the stirring time. The stirring time is the stirring image time obtained with the maximum power parameter.

Step S5012: if the power parameter or the corrected power parameter does not exceed the maximum power parameter, controlling the driving device 2 to drive the stirring device 1 to stir by using the power parameter or the corrected power parameter;

if the power parameter or the corrected power parameter does not exceed the maximum power parameter, it indicates that the driving device 2 can drive the stirring device 1 to stir with the power parameter or the corrected power parameter.

Step S503: and after the stirring time, acquiring the current rotation image detection information of the oil surface.

After the driving device 2 drives the stirring device 1 to stir with the maximum power parameter, the rotation image detection information of the oil surface is obtained through the camera 11. The rotation image detection information is a rotation image of the oil surface.

Step S504: and analyzing according to the oil weight information, the conservator parameters and the rotating image information stored in the preset rotating image database to match the rotating image information corresponding to the oil weight information and the conservator parameters.

The rotating image database is a preset database and is set by a person skilled in the art according to actual conditions, and oil weight information and conservator parameters related to the rotating image information are stored in the rotating image database and are provided with a plurality of oil weight information and conservator parameters corresponding to the rotating image information. The rotation image information is a correct rotation image of the oil level, and is set by a person skilled in the art according to actual conditions, which is not described herein.

Step S505: and judging whether the rotating image corresponding to the current rotating image detection information is consistent with the rotating image corresponding to the rotating image information.

And judging whether the oil level rotation image detected in real time is the same as the correct oil level rotation image or not by judging whether the rotation image corresponding to the current rotation image detection information is consistent with the rotation image corresponding to the rotation image information or not.

Step S5051: if the rotating image corresponding to the rotating image detection information is inconsistent with the rotating image corresponding to the rotating image information, the driving device 2 is paused to drive the stirring device 1 to stir, and the telescopic device 9 preset at the top of the oil conservator 12 is controlled to control the preset stirring rod 10 to enter the oil and rotate in the same direction as the rotating direction of the oil.

If the rotation image corresponding to the rotation image detection information is inconsistent with the rotation image corresponding to the rotation image information, it indicates that the oil level rotation image detected in real time is not the same as the correct oil level rotation image, the driving device 2 drives the stirring device 1 to stir with the maximum power parameter, and the correct rotation image still cannot be obtained, so that the operation of the driving device 2 is stopped. The telescoping device 9 is controlled to control the preset stirring rod 10 to enter the oil material for stirring.

Step S5052: and if the rotating image corresponding to the rotating image detection information is consistent with the rotating image corresponding to the rotating image information, suspending the driving device 2 from driving the stirring device 1 for stirring.

And if the rotating image corresponding to the rotating image detection information is consistent with the rotating image corresponding to the rotating image information, indicating that the oil surface rotating image detected in real time is the same as the correct oil surface rotating image, and suspending the driving device 2 from driving the stirring device 1 to stir.

Referring to fig. 7, the method for rapidly generating a blending image includes the steps of:

step S600: and after the holding time, acquiring the current distance detection information from the blowing device 7 preset at the top of the oil conservator 12 to the oil level.

After the holding time, the current distance detection information of the blowing device 7 to the oil surface is acquired through the camera 11. The blowing device 7 is a ventilation pipe with elasticity preset on the top of the conservator 12. The distance detection information is a distance value from the blowing device 7 to the oil surface.

Step S601: and judging whether the distance value corresponding to the current distance detection information is larger than the distance value corresponding to the preset reference distance information.

And judging whether the distance value corresponding to the current distance detection information is larger than the distance value corresponding to the preset reference distance information or not so as to judge whether the blowing device 7 cannot work due to the fact that the oil level is too high or not. The reference distance information is the minimum distance value between the blowing device 7 and the oil surface when the blowing device works normally.

Step S6011: and if the distance value corresponding to the current distance detection information is larger than the distance value corresponding to the reference distance information, analyzing according to the blowing angle information, the blowing power parameter and the distance detection information stored in the preset angle database to match the blowing angle information and the blowing power parameter corresponding to the distance detection information.

If the distance value corresponding to the current distance detection information is greater than the distance value corresponding to the reference distance information, it indicates that the blowing device 7 can work.

The angle database is a preset database and is set by a person skilled in the art according to actual conditions, distance detection information related to the blowing angle information and the blowing power parameter is stored in the angle database, and the angle database is provided with a plurality of distance detection information corresponding to the blowing angle information and the blowing power parameter. The blowing angle information is an angle value of the blowing device 7 blowing the oil surface, and the blowing power parameter is a power value of the blowing device 7 blowing the oil surface.

Step S6012: if the distance value corresponding to the current distance detection information is smaller than or equal to the distance value corresponding to the reference distance information, the blowing device 7 does not blow air.

If the distance value corresponding to the current distance detection information is smaller than the distance value corresponding to the reference distance information, it indicates that the distance between the oil level and the blowing device 7 is too short, and the blowing device 7 cannot work.

Step S602: the angle of the blowing device 7 is adjusted by controlling the preset adjusting device 8 according to the blowing angle information, and the blowing device 7 is controlled to blow according to the blowing power parameter.

The angle of the air blowing device 7 is adjusted according to the air blowing angle information by controlling the adjusting device 8, the air blowing device 7 is controlled to blow the oil surface according to the air blowing power parameter, and the generation speed of the oil surface stirring image is improved.

Referring to fig. 8, the method for correcting the stirring oil level distance detection information includes the steps of:

step S700: and after the holding time, acquiring the moving oil level distance detection information from the synchronously moving detection point to the oil surface.

After the stirring image is generated, moving oil level distance detection information from a detection point to a point on the oil surface is obtained by ultrasonic waves. The synchronous movement means that the detection point is provided at a position corresponding to the stirring device 1 and moves synchronously with the stirring device 1. The moving oil level distance detection information is a distance value from a detection point to the circumference of the moving oil surface.

Step S701: and analyzing according to the interval time value, the conservator parameter, the power parameter and the oil weight information stored in the preset interval time database to match the interval time value corresponding to the conservator parameter, the power parameter and the oil weight information.

The interval time database is a preset database and is set by a person skilled in the art according to actual conditions, and conservator parameters, power parameters and oil weight information related to interval time values are stored in the interval time database and are provided with a plurality of conservator parameters, power parameters and oil weight information corresponding to the interval time values. The interval time value is a time interval of the oil level distance detected by the ultrasonic wave, and is set by a person skilled in the art according to the actual situation, which is not described herein.

Step S702: and after the interval time value, sequentially acquiring the distance detection information from the moved detection points to the dynamic oil level on the circumference of the moving oil surface until the detection points move for 360 degrees.

After a plurality of interval time values, sequentially obtaining dynamic oil level distance detection information from the moved detection points to different points on the circumference of the moving oil surface through ultrasonic waves until the detection points rotate for a circle and return to the initial position. The dynamic oil level distance detection information is a distance value from a detection point at a different position to a different point on the circumference of the moving oil level. The rotating speed of the detection point is asynchronous with the rotating speed of the oil surface.

Step S703: and calculating the average value of the distances corresponding to the dynamic oil level distance detection information, and defining the average value as average oil level information.

The detected dynamic oil level distance information is more accurate by calculating the average value of the distances corresponding to the plurality of pieces of dynamic oil level distance detection information, and the average value is defined as the average oil level information to provide data for correcting the stirring oil level.

Step S704: and analyzing according to the moving oil level distance detection information, the average oil level information and the stirring oil level correction value stored in the preset correction database to match the stirring oil level correction value corresponding to the moving oil level distance detection information and the average oil level information.

The correction database is a preset database and is set by a person skilled in the art according to actual conditions, and the correction database stores moving oil level distance detection information and average oil level information related to the stirring oil level correction value and is provided with a plurality of moving oil level distance detection information and average oil level information corresponding to the stirring oil level correction value. The correction value of the stirring oil level is a correction value for correcting the distance from a different point on the circumference of the moving oil surface to the detection point during stirring.

Step S705: the stirring oil level distance detection information is corrected based on the stirring oil level correction value to generate stirring oil level correction distance information.

The stirring oil level correction distance information is corrected stirring oil level distance detection information, and the stirring oil level distance detection information is corrected by the stirring oil level correction value, so that the detected stirring oil level distance detection information is more accurate.

Referring to fig. 9, the method for verifying the corrected oil level distance value includes the steps of:

step S800: the current temperature detection information of the oil in the conservator 12 is obtained.

The current temperature detection information of the oil in the oil conservator 12 is detected by a temperature sensor preset in the oil conservator, and is uploaded and stored into a memory to be called by a computer program. The current temperature detection information refers to the current temperature value of the oil.

Step S801: and judging whether the temperature value corresponding to the current temperature detection information is in the temperature interval corresponding to the preset reference temperature information.

And judging whether the oil level of the current oil is interfered by the temperature or not by judging whether the temperature value corresponding to the current temperature detection information is in the temperature interval corresponding to the preset reference temperature information or not. The reference temperature information refers to a temperature interval in which the oil level of the oil does not change due to the temperature, and is set by a person skilled in the art according to the actual situation, which is not described herein.

Step S8011: and if the temperature value corresponding to the current temperature detection information is not in the temperature interval corresponding to the reference temperature information, analyzing according to the temperature check value and the temperature detection information stored in the preset temperature check database to match the temperature check value corresponding to the temperature detection information.

And if the temperature value corresponding to the current temperature detection information is not in the temperature interval corresponding to the reference temperature information, indicating that the current oil level of the oil is influenced by the current temperature. The temperature check database is a preset database and is set by a person skilled in the art according to actual conditions, and the temperature check database stores temperature detection information related to the temperature check value and has a plurality of temperature detection information corresponding to the temperature check value. The temperature check value is a check value for checking an inaccurate oil level due to temperature.

Step S8012: and if the temperature value corresponding to the current temperature detection information is in the temperature interval corresponding to the reference temperature information, continuing to detect the current temperature detection information of the oil in the oil conservator 12.

If the temperature value corresponding to the current temperature detection information is in the temperature interval corresponding to the reference temperature information, it is indicated that the current oil level of the oil is not affected by the current temperature, so that the oil level does not need to be corrected, and the current temperature detection information of the oil is continuously detected.

Step S802: and verifying the correction oil level distance value according to the temperature verification value to generate a verification correction oil level distance value.

The distance value of the corrected oil level is verified through the temperature verification value, so that the inaccurate oil level generated due to the temperature is closer to the accurate oil level, and the accuracy of oil level measurement is improved.

Based on the same inventive concept, the embodiment of the invention provides a transformer oil level detection system based on an ultrasonic principle, which comprises:

the system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring overall weight detection information, stirring oil level distance detection information, stirring image detection information, conservator side wall image detection information, factice characteristic detection information, outer wall image detection information, bevel edge distance detection information, rotation number detection information, moving distance detection information, voltage parameter detection information, audio detection information, rotation image detection information, distance detection information, blowing angle detection information, moving oil level distance detection information and dynamic oil level distance detection information;

a memory for storing a program of the ultrasonic-based oil level detection method of the transformer as shown in fig. 2 to 9;

a processor, a program in a memory capable of being loaded and executed by the processor and implementing the method for detecting the oil level of the transformer based on the ultrasonic principle as shown in fig. 2 to 9.

It will be clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be performed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to perform all or part of the above described functions. For the specific working processes of the system, the apparatus and the unit described above, reference may be made to the corresponding processes in the foregoing method embodiments, and details are not described here again.

The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

Claims

1. The method for detecting the oil level of the transformer based on the ultrasonic principle is characterized by comprising the following steps of:

acquiring integral weight detection information of the conservator (12) and the oil;

analyzing according to the simulated oil level distance information, the oil volume information and the conservator parameters stored in the preset oil level database to match the simulated oil level distance information corresponding to the oil volume information and the conservator parameters, and controlling a stirring device (1) preset at the bottom of the conservator (12) to be started to stir the oil;

after the stirring device (1) is started for the preset holding time, acquiring the current stirring oil level distance detection information between a detection point preset on the stirring device (1) and the oil surface;

the simulated oil level distance information is corrected based on the oil level correction value to generate a corrected oil level distance value.

2. The method for detecting the oil level of a transformer based on the ultrasonic principle according to claim 1, wherein the stirring control method of the stirring device (1) comprises:

controlling a driving device (2) which is preset at the bottom of an oil conservator (12) and is separated from oil to drive a stirring device (1) to stir according to power parameters, and synchronously acquiring current stirring image detection information of the oil level after holding time;

if the stirring image corresponding to the current stirring image detection information is consistent with the stirring image corresponding to the stirring image information, controlling the driving device (2) to pause stirring of the stirring device (1);

if the stirring image corresponding to the current stirring image detection information is inconsistent with the stirring image corresponding to the stirring image information, acquiring current conservator side wall image detection information;

and correcting the power parameter according to the power correction value, and controlling the driving device (2) to drive the stirring device (1) to stir according to the corrected power parameter.

3. The oil level detection method of a transformer based on an ultrasonic principle according to claim 2, wherein the verification method of the power correction value includes:

acquiring current factice characteristic detection information of the inner side wall of the oil conservator (12);

judging whether the factice characteristics corresponding to the current factice characteristic detection information are consistent with factice characteristics corresponding to preset reference factice characteristic information or not;

if the factice characteristics corresponding to the factice characteristic detection information are inconsistent with the factice characteristics corresponding to the reference factice characteristic information, current outer wall image detection information of the conservator (12) is obtained;

judging whether the outer wall image corresponding to the outer wall image detection information is consistent with the outer wall image corresponding to the preset outer wall image information;

if the outer wall image corresponding to the outer wall image detection information is consistent with the outer wall image corresponding to the outer wall image information, defining that the outer wall of the conservator (12) is normal, prompting, and controlling the driving device (2) to drive the stirring device (1) to stir by using the power parameter;

if the outer wall image corresponding to the outer wall image detection information is inconsistent with the outer wall image corresponding to the outer wall image information, defining the outer wall depression of the conservator (12), and analyzing and distributing according to the outer wall image detection information and the depression correction parameters stored in a preset outer wall database to calculate the depression correction parameters corresponding to the outer wall image detection information;

correcting the power parameter according to the recess correction parameter, and controlling the driving device (2) to drive the stirring device (1) to continue stirring according to the corrected power parameter;

if the check correction value is consistent with the power correction value, finishing the check, and correcting the power parameter by the power correction value;

4. The method for detecting the oil level of the transformer based on the ultrasonic principle according to claim 2, wherein if the conservator sidewall image corresponding to the current conservator sidewall image detection information is identical to the conservator sidewall image corresponding to the reference conservator sidewall image information, the method for detecting the power of the driving device (2) comprises:

acquiring current rotation circle number detection information of the driving device (2) and current moving distance detection information of the stirring device (1);

analyzing according to the rotation turn number detection information and the moving distance information stored in the rotation database to match moving distance information corresponding to the rotation turn number information;

if the moving distance value corresponding to the moving distance detection information is inconsistent with the moving distance value corresponding to the moving distance information, current voltage parameter detection information of the driving device (2) is obtained;

judging whether the voltage value corresponding to the voltage parameter detection information is smaller than the voltage value corresponding to the preset voltage parameter information or not;

if the voltage value corresponding to the voltage parameter detection information is not smaller than the voltage value corresponding to the voltage parameter information, current audio detection information of the driving device (2) is obtained;

5. The method for detecting the oil level of the transformer based on the ultrasonic principle according to claim 2, comprising:

analyzing according to the maximum power parameter and the oil weight information stored in the preset reference power database to match the maximum power parameter corresponding to the oil weight information;

if the power parameter or the corrected power parameter does not exceed the maximum power parameter, controlling the driving device (2) to drive the stirring device (1) to stir according to the power parameter or the corrected power parameter;

if the power parameter or the corrected power parameter exceeds the maximum power parameter, controlling the driving device (2) to drive the stirring device (1) to stir according to the maximum power parameter within preset stirring time;

if the rotating image corresponding to the rotating image detection information is consistent with the rotating image corresponding to the rotating image information, the driving device (2) is suspended from driving the stirring device (1) to stir;

if the rotating image corresponding to the rotating image detection information is inconsistent with the rotating image corresponding to the rotating image information, the driving device (2) is paused to drive the stirring device (1) to stir, and the telescopic device (9) preset at the top of the oil conservator (12) is controlled to control the preset stirring rod (10) to enter the oil and rotate in the same direction as the rotating direction of the oil.

6. The ultrasonic-principle-based oil level detection method for the transformer according to claim 2, wherein the rapid generation method for the stirring image comprises:

after the holding time, acquiring current distance detection information from a blowing device (7) preset at the top of an oil conservator (12) to the oil level;

if the distance value corresponding to the current distance detection information is smaller than or equal to the distance value corresponding to the reference distance information, the blowing device (7) does not blow air;

the angle of the blowing device (7) is adjusted by controlling a preset adjusting device (8) according to the blowing angle information, and the blowing device (7) is controlled to blow according to the blowing power parameter.

7. The ultrasonic-principle-based oil level detection method for the transformer of claim 1, wherein the correction method of the detection information of the distance of the stirred oil level comprises:

8. Transformer oil level detecting system based on ultrasonic wave principle, its characterized in that includes:

a memory for storing a program of the ultrasonic-based oil level detection method of the transformer according to any one of claims 1 to 7;

a processor, a program in a memory capable of being loaded and executed by the processor and implementing the method for detecting the oil level of the transformer based on the ultrasonic principle according to any one of claims 1 to 7.