CN110207784A - Transformer oil level alarm method, device and terminal device - Google Patents
Transformer oil level alarm method, device and terminal device Download PDFInfo
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- CN110207784A CN110207784A CN201910630100.5A CN201910630100A CN110207784A CN 110207784 A CN110207784 A CN 110207784A CN 201910630100 A CN201910630100 A CN 201910630100A CN 110207784 A CN110207784 A CN 110207784A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/80—Arrangements for signal processing
- G01F23/806—Particular electronic circuits for handling non-digital processing equipment
- G01F23/808—Particular electronic circuits for handling non-digital processing equipment containing circuits handling parameters other than liquid level
Abstract
The present invention is suitable for transformer detection technique field, provide a kind of transformer oil level alarm method, device and terminal device, the described method includes: according to the first oil level information of installation for transformer, judge whether the first oil level information is abnormal, if abnormal, the infrared oil level image of the installation for transformer of infrared image acquisition device transmission is then obtained, and infrared oil level image is identified, determines the second oil level information of installation for transformer；Judge whether the oil level of installation for transformer is abnormal；If abnormal, according to the first oil level information and the second oil level information, oil level abnormal cause is determined, and generate warning information.The present invention is when detecting the oil level exception of oil level indicator detection, further oil level monitoring is carried out to oil level by infrared image acquisition device, the accuracy of oil level detection result is improved, prevents the misleading of false oil level, and alarm is issued in oil level exception in time, guarantee the safe and stable operation of transformer.
Description
Technical field
The invention belongs to transformer detection technique field more particularly to a kind of transformer oil level alarm methods, device and end
End equipment.
Background technique
Transformer oil level is the important monitoring parameters of power transformer, is the important guarantee that transformer operates normally.Oil level
The too low aging that can accelerate transformer oil, it is transformer insulated to be worse off, and then transformer service life is reduced.Therefore in electric power
In transformer actual moving process, the oil level situation of running check conservator is needed, finds that oil level is too low or excessively high and takes in time
Corresponding measure is for ensuring that power transformer safe operation is of great significance.
Currently, common measuring transformer oil level method has electromagnetic type oil level indicator.Electromagnetic type oil level indicator is current transformer
It carries, using more universal large and medium-sized installation for transformer oil level measuring device.Its basic principle is when oil level occurs in conservator
Variation drives the rotating mechanism of oil level indicator to rotate, passes through so that the floating ball (being located in conservator) on oil level indicator connecting rod is swung up and down
The rotation of magnetic coupling and needle pivot indicates the oil level of conservator on dial plate by pointer.
But the method for above-mentioned electromagnetic type oil level indicator detection oil level will detect that false oil level once in a while, cause oil level detection knot
The problem of fruit inaccuracy.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of transformer oil level alarm method, device and terminal device, with solution
The problem of testing result inaccuracy is certainly caused because there is false oil level in the prior art.
The first aspect of the embodiment of the present invention provides a kind of transformer oil level alarm method, comprising:
According to the first oil level information of the installation for transformer that oil level indicator is sent, judge whether first oil level information is different
Often, if first oil level information is abnormal, image capture instruction is sent to infrared image acquisition device；
The infrared oil level image for the installation for transformer that the infrared image acquisition device is sent is obtained, and to the infrared oil
Bit image is identified, determines the second oil level information of the installation for transformer；
According to second oil level information, judge whether the oil level of the installation for transformer is abnormal；
If the oil level of the installation for transformer is abnormal, according to first oil level information and second oil level information,
It determines oil level abnormal cause, and warning information is generated according to the oil level abnormal cause.
The second aspect of the embodiment of the present invention provides a kind of transformer oil level alarm device, comprising:
First oil level exception judgment module, the first oil level information of the installation for transformer for being sent according to oil level indicator are sentenced
Whether first oil level information of breaking is abnormal, if first oil level information is abnormal, sends image capture instruction to infrared figure
As acquisition device；
Second oil level information obtains module, for obtaining the red of installation for transformer that the infrared image acquisition device is sent
Outer oil level image, and the infrared oil level image is identified, determine the second oil level information of the installation for transformer；
Oil level exception judgment module, for judging that the oil level of the installation for transformer is according to second oil level information
No exception；
Warning information generation module is believed if the oil level for the installation for transformer is abnormal according to first oil level
Breath and second oil level information determine oil level abnormal cause, and generate warning information according to the oil level abnormal cause.
The third aspect of the embodiment of the present invention provides a kind of terminal device, including memory, processor and is stored in
In the memory and the computer program that can run on the processor, when the processor executes the computer program
The step of realizing transformer oil level alarm method as described above.
The fourth aspect of the embodiment of the present invention provides a kind of computer readable storage medium, the computer-readable storage
Media storage has computer program, and the computer program realizes transformer oil level alarm side as described above when being executed by processor
The step of method.
First oil level information of the installation for transformer that the present invention is sent according to oil level indicator first, judges that the first oil level information is
If no exception sends image capture instruction to infrared image acquisition device abnormal；Then infrared image acquisition device hair is obtained
The infrared oil level image of the installation for transformer sent, and infrared oil level image is identified, determine the second oil of installation for transformer
Position information；And judge whether the oil level of installation for transformer is abnormal；If the oil level of installation for transformer is abnormal, believed according to the first oil level
Breath and second oil level information determine oil level abnormal cause, and generate warning information according to oil level abnormal cause.The present invention is real
Example is applied when determining the oil level exception of oil level indicator detection, further oil level prison is carried out to oil level by infrared image acquisition device
It surveys, to improve the accuracy of oil level detection result, prevents the appearance of false oil level, and issue alarm in oil level exception in time,
Guarantee the safe and stable operation of transformer.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the implementation process schematic diagram of transformer oil level alarm method provided in an embodiment of the present invention；
Fig. 2 is the implementation process schematic diagram of S101 in Fig. 1 provided in an embodiment of the present invention；
Fig. 3 is the implementation process schematic diagram of S104 in Fig. 1 provided in an embodiment of the present invention；
Fig. 4 is the implementation process schematic diagram of S303 in Fig. 3 provided in an embodiment of the present invention；
Fig. 5 is the implementation process schematic diagram of S304 in Fig. 3 provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of transformer oil level alarm device provided in an embodiment of the present invention；
Fig. 7 is the schematic diagram of terminal device provided in an embodiment of the present invention.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, to understand thoroughly the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention also may be implemented in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, in case unnecessary details interferes description of the invention.
Description and claims of this specification and term " includes " and their any deformations in above-mentioned attached drawing, meaning
Figure, which is to cover, non-exclusive includes.Such as process, method or system comprising a series of steps or units, product or equipment do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include the other step or units intrinsic for these process, methods, product or equipment.In addition, term " first ", " second " and
" third " etc. is for distinguishing different objects, not for description particular order.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
Embodiment 1:
Fig. 1 shows the implementation flow chart of transformer oil level alarm method provided by one embodiment of the invention, in order to just
In explanation, only parts related to embodiments of the present invention are shown, and details are as follows:
As shown in Figure 1, a kind of transformer oil level alarm method provided by the embodiment of the present invention, details are as follows for process:
S101: according to the first oil level information of the installation for transformer that oil level indicator is sent, judge that first oil level information is
No exception sends image capture instruction to infrared image acquisition device if first oil level information is abnormal.
In one embodiment of the invention, oil level indicator includes floating ball and indicator, and floating ball is for detecting installation for transformer
Oil level, the control module in indicator receives the data that floating ball is sent and is converted to the finger that the first oil level information is shown in indicator
Show disk, and the first oil level information is sent to terminal device by communication module, terminal device receives the first oil level information, and sentences
Whether disconnected first oil level information is normal.
S102: the infrared oil level image for the installation for transformer that the infrared image acquisition device is sent is obtained, and to described
Infrared oil level image is identified, determines the second oil level information of the installation for transformer.
In the present embodiment, abnormal, oil level indicating gage exception of respirator obstruction, conservator diaphragm etc. all will lead to false oil level,
False oil level phenomenon can not be discovered separately through oil level indicator, frequently result in can not find in time real oil level there are the problem of.Therefore,
The present embodiment is added to infrared image acquisition device, by filling infrared collecting on the basis of oil level indicator carries out oil level detection
It sets and is mounted on specific position, shoot infrared oil level image, it can be by carrying out edge inspection to the conservator in infrared oil level image
The characteristics of survey, obtains conservator region, and then basis is with the presence of oil and oil-free part temperature difference, in conservator region stroke, acquisition is multiple indulges
To temperature line, and correspondence obtains the gray value of each longitudinal temperature line, then carries out differential to the gray value in each temperature line,
Variation maximum is to have oil and oil-free separation, then removes the point to differ greatly in multiple separations, obtains oil level point
Conservator region division is finally two regions according to oil level line of demarcation, calculates the area for having oily region Yu oil-free region by boundary line,
The second oil level information can be calculated according to the area in two regions.
Further, due to needing to determine the second oil level information by the temperature change in infrared oil level image,
Infrared oil level image has very serious dependence to external environment, if ambient temperature is excessively high, it is inclined that there may be image recognitions
The phenomenon of difference, therefore, only using the method for infrared oil level image detection oil level as householder method.
It preferably, can be in the location arrangements infrared image acquisition device with conservator level, to reduce oil level detection
Error, meanwhile, the interference in order to avoid external environment to infrared oil level detection can be multiple location arrangements of conservator level
Infrared image acquisition device, when identifying to oil level line of demarcation, the fore-and-aft distance for successively detecting two neighboring separation is poor,
When first distance difference is greater than the first preset quantity if it exists, then judge that the infrared oil level image of this can not determine that oil level is demarcated
Line then deletes the infrared oil level image, and calculates the second oil level information according to remaining infrared oil level image.Wherein, first distance
Difference is poor greater than the fore-and-aft distance of the poor threshold value of first distance.
S103: according to second oil level information, judge whether the oil level of the installation for transformer is abnormal.
S104: if the oil level of the installation for transformer is abnormal, according to first oil level information and second oil level
Information determines oil level abnormal cause, and generates warning information according to the oil level abnormal cause.
In the present embodiment, oil level may be that oil level is excessively high, oil level is too low or false oil level extremely, pass through the first oil level and believe
Breath, the second oil level information determine oil level abnormal cause, to generate warning information, and warning information are sent to service personnel's
Terminal device.
Meanwhile the oil level information obtained each time, oil temperature information and oil level abnormal cause are uploaded to server, it services
Device saves oil level information, oil temperature information and oil level abnormal cause.
From above-described embodiment it is found that the present invention first according to oil level indicator send installation for transformer the first oil level information,
Judge whether the first oil level information is abnormal, if abnormal, sends image capture instruction to infrared image acquisition device；Then it obtains
The infrared oil level image for the installation for transformer that infrared image acquisition device is sent, and infrared oil level image is identified, it determines
Second oil level information of installation for transformer；And judge whether the oil level of installation for transformer is abnormal；If the oil level of installation for transformer is different
Often, then oil level abnormal cause is determined according to the first oil level information and second oil level information, and raw according to oil level abnormal cause
At warning information.The embodiment of the present invention is when determining the oil level exception of oil level indicator detection, by infrared image acquisition device to oil
Position, which carries out further oil level monitoring, prevents the appearance of false oil level, and in time in oil to improve the accuracy of oil level detection result
Alarm is issued when position is abnormal, guarantees the safe and stable operation of transformer.
In one embodiment of the invention, as shown in Fig. 2, Fig. 2 shows the specific implementation flow of S101 in Fig. 1,
Details are as follows for process:
S201: according to temperature sensor send installation for transformer the first oil temperature information and default oil temperature-oil level curve,
Predict the oil level range of the installation for transformer.
In the present embodiment, oil temperature-oil level curve included when oil temperature-oil level curve can be transformer factory is preset,
Or server is according to history oil level information and history oil temperature information, the oil temperature being fitted-oil level curve.When default oil
When temperature-oil level curve is oil temperature-oil level curve of server fitting, terminal device sends the inquiry of oil temperature oil level curve to server
Request is to server, to obtain default oil temperature-oil level curve of server return.
S202: if first oil level information exceeds the oil level model of the corresponding installation for transformer of the first oil temperature information
It encloses, then determines that first oil level information is abnormal.
In the present embodiment, presetting abscissa in oil temperature-oil level curve is oil temperature, and ordinate is oil level, when getting temperature
When spending the first oil temperature information of sensor, the corresponding oil level information of the first oil temperature information is searched from default oil temperature-oil level curve,
And threshold value is adjusted by searching for the oil level information plus-minus arrived is default, to obtain the corresponding oil level range of the first oil temperature information.When
When first oil level information is beyond the first oil temperature information corresponding oil level range, the first oil level information exception is determined.
In one embodiment of the invention, as shown in figure 3, Fig. 3 shows the specific implementation flow of S104 in Fig. 1,
Details are as follows for process:
S301: if the difference of first oil level information and second oil level information is not less than the first default oil level difference threshold
Value then determines there is false oil level.
In the present embodiment, if the difference of the first oil level information and the second oil level information is larger, determine there is false oil level,
In the case of false oil level, true oil level may there is no problem in conservator, therefore, it is possible to judge that whether the second oil level information is the
Within the scope of the corresponding oil level of one oil temperature information, if illustrating that the oil level in conservator is normal.
But the presence of false oil level illustrate the structure between conservator and oil level indicator there may be exception, usual vacation oil level shape
At the reason of usually the blocking of conservator respirator, explosion stack ventilation hole plug, oil ga(u)ge blockage or oil level indicator it is abnormal, therefore, when
When being determined as false oil level, warning information can be generated according to false oil level, operation maintenance personnel is prompted " there are false oil level, please to check whether
There are the damages of the blocking of conservator respirator, explosion stack air-hole blockage, oil ga(u)ge blockage or oil level indicator ".
S302: if the difference of first oil level information and second oil level information is poor less than the described first default oil level
Threshold value then judges whether first oil level information, second oil level information are corresponding beyond the first oil temperature information
Oil level range, the oil level range include oil level maximum value and oil level minimum value.
S303: if to exceed the first oil temperature information corresponding for first oil level information and second oil level information
Oil level maximum value then judges oil level abnormal cause for the first abnormal cause.
S304: if to be below the first oil temperature information corresponding for first oil level information and second oil level information
Oil level minimum value then judges oil level abnormal cause for the second abnormal cause.
In the present embodiment, when the difference of the first oil level information and second oil level information is less than the described first default oil
Potential difference threshold value then determines to determine that the oil level in conservator is implicitly present in exception without vacation oil level in conservator.At this time, it may be necessary to look into
Find oil the reason of position exception.If first oil level information and second oil level information exceed the first oil temperature information pair
The oil level maximum value answered then determines that oil level is excessively high, and determines the first abnormal cause according to the excessively high phenomenon of oil level.
If first oil level information and second oil level information are below the corresponding oil level of the first oil temperature information
Minimum value then determines that oil level is too low, and too low according to oil level, determines the second abnormal cause.
In one embodiment of the invention, first abnormal cause includes Cooler Fault and transformer load mistake
Greatly；As shown in figure 4, Fig. 4 shows the specific implementation flow of S303 in Fig. 3, details are as follows for process:
S401: obtaining the current loads value of the transformer, and it is default to judge whether the current loads value is greater than first
Load value determines that the oil level abnormal cause is transformer if the current loads value is greater than the described first default load value
Load is excessive；
S402: obtaining current outside environment temperature, and according to the current outside environment temperature and the current loads value,
Calculate current oil temperature estimated value；
S403: if the difference of the current oil temperature estimated value and the first oil temperature information is greater than default oil temperature difference,
Determine that oil level abnormal cause is the Cooler Fault of the transformer.
In the present embodiment, the first abnormal cause further includes Three-Phase Transformer current imbalance, then can be by obtaining three
Phase current values determine whether oil level abnormal cause is three-phase current unbalance.
First abnormal cause further includes Cooler Fault, when Cooler Fault, high oil temperature in installation for transformer, closely
Exceed oil temperature-oil level curve value range, at this point it is possible to according to ambient temperature, current loads value and oil temperature-oil level
Relationship between curve, estimates current oil temperature, obtains current oil temperature estimated value, if current oil temperature estimation the first oil of codomain
The difference of warm information is greater than default oil temperature difference, then determines abnormal cause for Cooler Fault.
In one embodiment of the invention, if the difference of first oil level information and second oil level information is less than
The first default oil level difference threshold value, then according to the infrared oil level figure of the installation for transformer of infrared image acquisition device acquisition
Picture determines the transformer oil region in infrared oil level image, and according to the infrared image in transformer oil region, calculating transformer oil
Temperature.Then judge whether the difference of transformer oil temperature and the first oil temperature information is greater than the first oil temperature difference, if transformer oil
The difference of temperature and the first oil temperature information is greater than default oil temperature difference, and the difference of current oil temperature estimated value and the first oil temperature information
Also greater than default oil temperature difference, then temperature sensor fault is determined, if the difference of current oil temperature estimated value and the first oil temperature information
Greater than default oil temperature difference, and the difference of transformer oil temperature and the first oil temperature information is less than the first oil temperature difference, it is determined that different
Normal reason is Cooler Fault.
In one embodiment of the invention, second abnormal cause includes transformer oil leak and transformer load mistake
It is small；As shown in figure 5, Fig. 5 shows the specific implementation flow of S304 in Fig. 3, details are as follows for process:
S501: if first oil level information and second oil level information are below the first oil temperature information pair
The oil level minimum value answered then judges oil level abnormal cause for the second abnormal cause, comprising:
S502: judge the difference of second oil level information and minimum oil level value whether less than the second default poor threshold of oil level
Value, if the difference of second oil level information and minimum oil level value is less than the described second default oil level difference threshold value, obtain described in
The current loads value of transformer, if the current loads value determines the oil level abnormal cause less than the second default load value
It is too small for transformer load；
S503: the leakage point information that transformer oil leak point detection device is sent is obtained, and according to the leakage point information, really
Whether fixed second abnormal cause is transformer oil leak.
In the present embodiment, if it is determined that it is too low for oil level, but the second abnormal cause is neither transformer load is too small, also not
It is transformer oil leak, it is determined that the second abnormal cause is that the oil level under normal condition is too low, it is only necessary to the oiling into conservator.
By the above method, the concrete reason of oil level exception in installation for transformer can be determined, to generate warning information
To remind operation maintenance personnel to take appropriate measures, guarantee the normal table operation of transformer.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present invention constitutes any limit
It is fixed.
As shown in fig. 6, the transformer oil level alarm device 100 that one embodiment of the present of invention provides, for executing Fig. 1 institute
Method and step in corresponding embodiment comprising:
First oil level exception judgment module 110, the first oil level information of the installation for transformer for being sent according to oil level indicator,
Judge whether first oil level information is abnormal, if first oil level information is abnormal, sends image capture instruction to infrared
Image collecting device；
Second oil level information obtains module 120, the installation for transformer sent for obtaining the infrared image acquisition device
Infrared oil level image, and the infrared oil level image is identified, determines the second oil level information of the installation for transformer；
Oil level exception judgment module 130, for judging the oil level of the installation for transformer according to second oil level information
It is whether abnormal；
Warning information generation module 140, if the oil level for the installation for transformer is abnormal, according to first oil level
Information and second oil level information determine oil level abnormal cause, and generate warning information according to the oil level abnormal cause.
The embodiment of the present invention determine oil level indicator detection oil level exception when, by infrared image acquisition device to oil level into
The further oil level monitoring of row, to improve the accuracy of oil level detection result, prevents the appearance of false oil level, and different in oil level in time
Alarm is issued when often, guarantees the safe and stable operation of transformer.
In one embodiment of the invention, the first oil level exception judgment module 110 further includes for executing corresponding to Fig. 2
Embodiment in method and step structure comprising:
Oil level range determination unit, the first oil temperature information of the installation for transformer for being sent according to temperature sensor and pre-
If oil temperature-oil level curve predicts the oil level range of the installation for transformer；
First oil level abnormal deciding means, if corresponding beyond the first oil temperature information for first oil level information
The oil level range of installation for transformer then determines that first oil level information is abnormal.
In one embodiment of the invention, warning information generation module 140 further includes for executing reality corresponding to Fig. 3
Apply the structure of the method and step in example comprising:
False oil level judging unit, if the difference for first oil level information and second oil level information is not less than the
One default oil level difference threshold value then determines there is false oil level；
Oil level abnormal deciding means, if being less than institute for the difference of first oil level information and second oil level information
The first default oil level difference threshold value is stated, then judges first oil level information, second oil level information whether beyond described the
The corresponding oil level range of one oil temperature information, the oil level range include oil level maximum value and oil level minimum value；
First abnormal cause acquiring unit, if exceeding institute for first oil level information and second oil level information
The corresponding oil level maximum value of the first oil temperature information is stated, then judges oil level abnormal cause for the first abnormal cause；
Second abnormal cause acquiring unit, if being below institute for first oil level information and second oil level information
The corresponding oil level minimum value of the first oil temperature information is stated, then judges oil level abnormal cause for the second abnormal cause.
In one embodiment of the invention, first abnormal cause includes Cooler Fault and transformer load mistake
Greatly；First abnormal cause acquiring unit further includes the structure for executing the method and step in embodiment corresponding to Fig. 4, packet
It includes:
The excessive determining subelement of load, for obtaining the current loads value of the transformer, and judges the current loads
Whether value is greater than the first default load value, if the current loads value is greater than the described first default load value, determines the oil
Position abnormal cause is that transformer load is excessive；
Current oil temperature estimated value computation subunit, for obtaining current outside environment temperature, and according to the current outside
Environment temperature and the current loads value calculate current oil temperature estimated value；
Cooler Fault determines subelement, if the difference for the current oil temperature estimated value and the first oil temperature information
Greater than default oil temperature difference, then determine that oil level abnormal cause is the Cooler Fault of the transformer.
In one embodiment of the invention, second abnormal cause includes transformer oil leak and transformer load mistake
It is small；Second abnormal cause acquiring unit further includes the structure for executing the method and step in embodiment corresponding to Fig. 5, packet
It includes:
The too small determining subelement of load, for judging whether second oil level information and the difference of minimum oil level value are less than
Second default oil level difference threshold value, if the difference of second oil level information and minimum oil level value is poor less than the described second default oil level
Threshold value then obtains the current loads value of the transformer, if the current loads value determines institute less than the second default load value
Stating oil level abnormal cause is that transformer load is too small；
Transformer oil leak subelement, the leakage point information sent for obtaining transformer oil leak point detection device, and according to
The leakage point information determines whether second abnormal cause is transformer oil leak.
In one embodiment, transformer oil level alarm device 100 further includes other function module/unit, for realizing
Method and step in embodiment 1 in each embodiment.
Fig. 7 is the schematic diagram for the terminal device that one embodiment of the invention provides.As shown in fig. 7, the terminal of the embodiment is set
Standby 7 include: processor 70, memory 71 and are stored in the meter that can be run in the memory 71 and on the processor 70
Calculation machine program 72.The processor 70 realizes that above-mentioned each transformer oil level alarm method is real when executing the computer program 72
Apply the step in example, such as step 101 shown in FIG. 1 is to 104.Alternatively, the processor 70 executes the computer program 72
The function of each module/unit in the above-mentioned each Installation practice of Shi Shixian, such as the function of module 110 to 140 shown in Fig. 6.
The computer program 72 can be divided into one or more module/units, and one or more of modules/
Unit is stored in the memory 71, and is executed by the processor 70, to complete the present invention.One or more of moulds
Block/unit can be the series of computation machine program instruction section that can complete specific function, the instruction segment by describe it is described based on
Implementation procedure of the calculation machine program 72 in the terminal device 7.
The terminal device 7 can be the calculating such as desktop PC, notebook, palm PC and cloud server and set
It is standby.The terminal device may include, but be not limited only to, processor 70, memory 71.It will be understood by those skilled in the art that Fig. 7
The only example of terminal device 7 does not constitute the restriction to terminal device 7, may include than illustrating more or fewer portions
Part perhaps combines certain components or different components, such as the terminal device can also include input-output equipment, net
Network access device, bus etc..
Alleged processor 70 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng.
The memory 71 can be the internal storage unit of the terminal device 7, such as the hard disk or interior of terminal device 7
It deposits.The memory 71 is also possible to the External memory equipment of the terminal device 7, such as be equipped on the terminal device 7
Plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card dodge
Deposit card (Flash Card) etc..Further, the memory 71 can also both include the storage inside list of the terminal device 7
Member also includes External memory equipment.The memory 71 is for storing needed for the computer program and the terminal device
Other programs and data.The memory 71 can be also used for temporarily storing the data that has exported or will export.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
In embodiment provided by the present invention, it should be understood that disclosed device/terminal device and method, it can be with
It realizes by another way.For example, device described above/terminal device embodiment is only schematical, for example, institute
The division of module or unit is stated, only a kind of logical function partition, there may be another division manner in actual implementation, such as
Multiple units or components can be combined or can be integrated into another system, or some features can be ignored or not executed.Separately
A bit, shown or discussed mutual coupling or direct-coupling or communication connection can be through some interfaces, device
Or the INDIRECT COUPLING or communication connection of unit, it can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated module/unit be realized in the form of SFU software functional unit and as independent product sale or
In use, can store in a computer readable storage medium.Based on this understanding, the present invention realizes above-mentioned implementation
All or part of the process in example method, can also instruct relevant hardware to complete, the meter by computer program
Calculation machine program can be stored in a computer readable storage medium, the computer program when being executed by processor, it can be achieved that on
The step of stating each embodiment of the method.Wherein, the computer program includes computer program code, the computer program
Code can be source code form, object identification code form, executable file or certain intermediate forms etc..Computer-readable Jie
Matter may include: can carry the computer program code any entity or device, recording medium, USB flash disk, mobile hard disk,
Magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It should be noted that described
The content that computer-readable medium includes can carry out increasing appropriate according to the requirement made laws in jurisdiction with patent practice
Subtract, such as does not include electric carrier signal and electricity according to legislation and patent practice, computer-readable medium in certain jurisdictions
Believe signal.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (10)
1. a kind of transformer oil level alarm method characterized by comprising
According to the first oil level information of the installation for transformer that oil level indicator is sent, judge whether first oil level information is abnormal, if
First oil level information is abnormal, then sends image capture instruction to infrared image acquisition device；
The infrared oil level image for the installation for transformer that the infrared image acquisition device is sent is obtained, and to the infrared oil level figure
As being identified, the second oil level information of the installation for transformer is determined；
According to second oil level information, judge whether the oil level of the installation for transformer is abnormal；
If the oil level of the installation for transformer is abnormal, according to first oil level information and second oil level information, determine
Oil level abnormal cause, and warning information is generated according to the oil level abnormal cause.
2. transformer oil level alarm method as described in claim 1, which is characterized in that the transformation sent according to oil level indicator
First oil level information of device conservator judges whether first oil level information is abnormal, comprising:
According to the first oil temperature information and default oil temperature-oil level curve of the installation for transformer that temperature sensor is sent, described in prediction
The oil level range of installation for transformer；
If first oil level information exceeds the oil level range of the corresponding installation for transformer of the first oil temperature information, institute is determined
State the first oil level information exception.
3. transformer oil level alarm method as claimed in claim 2, which is characterized in that described according to first oil level information
And second oil level information, determine oil level abnormal cause, comprising:
If the difference of first oil level information and second oil level information is not less than the first default oil level difference threshold value, determine
There are false oil levels；
If the difference of first oil level information and second oil level information is less than the described first default oil level difference threshold value, sentence
Whether first oil level information, second oil level information of breaking exceed the corresponding oil level range of the first oil temperature information,
The oil level range includes oil level maximum value and oil level minimum value；
If first oil level information and second oil level information exceed the first oil temperature information, corresponding oil level is maximum
Value, then judge oil level abnormal cause for the first abnormal cause；
If first oil level information and second oil level information are below the first oil temperature information, corresponding oil level is minimum
Value, then judge oil level abnormal cause for the second abnormal cause.
4. transformer oil level alarm method as claimed in claim 3, which is characterized in that first abnormal cause includes cooling
Device failure and transformer load are excessive；
If first oil level information and second oil level information exceed the corresponding oil level of the first oil temperature information
Maximum value then judges oil level abnormal cause for the first abnormal cause, comprising:
The current loads value of the transformer is obtained, and judges whether the current loads value is greater than the first default load value, if
The current loads value is greater than the described first default load value, then determines that the oil level abnormal cause is excessive for transformer load；
Current outside environment temperature is obtained, and according to the current outside environment temperature and the current loads value, is calculated current
Oil temperature estimated value；
If the difference of the current oil temperature estimated value and the first oil temperature information is greater than default oil temperature difference, determine that oil level is different
Normal reason is the Cooler Fault of the transformer.
5. transformer oil level alarm method as claimed in claim 3, which is characterized in that second abnormal cause includes transformation
Device oil leak and transformer load are too small；
If first oil level information and second oil level information are below the corresponding oil level of the first oil temperature information
Minimum value then judges oil level abnormal cause for the second abnormal cause, comprising:
Judge the difference of second oil level information and minimum oil level value whether less than the second default poor threshold value of oil level, if described the
The difference of two oil level informations and minimum oil level value is less than the described second default oil level difference threshold value, then obtains the current of the transformer
Load value, if the current loads value less than the second default load value, determines that the oil level abnormal cause is transformer load
It is too small；
The leakage point information that transformer oil leak point detection device is sent is obtained, and according to the leakage point information, determines described the
Whether two abnormal causes are transformer oil leak.
6. a kind of transformer oil level alarm device characterized by comprising
First oil level exception judgment module, the first oil level information of the installation for transformer for being sent according to oil level indicator judge institute
It whether abnormal states the first oil level information, if first oil level information is abnormal, sends image capture instruction to infrared image and adopt
Acquisition means；
Second oil level information obtains module, for obtaining the infrared oil for the installation for transformer that the infrared image acquisition device is sent
Bit image, and the infrared oil level image is identified, determine the second oil level information of the installation for transformer；
Oil level exception judgment module, for judging whether the oil level of the installation for transformer is different according to second oil level information
Often；
Warning information generation module, if the oil level for the installation for transformer is abnormal, according to first oil level information and
Second oil level information determines oil level abnormal cause, and generates warning information according to the oil level abnormal cause.
7. transformer oil level alarm device as claimed in claim 6, which is characterized in that the first oil level exception judgment module
Include:
Oil level range determination unit, the first oil temperature information of the installation for transformer for being sent according to temperature sensor and default oil
Temperature-oil level curve predicts the oil level range of the installation for transformer；
First oil level abnormal deciding means, if exceeding the corresponding transformation of the first oil temperature information for first oil level information
The oil level range of device conservator then determines that first oil level information is abnormal.
8. transformer oil level alarm device as claimed in claim 6, which is characterized in that the warning information generation module packet
It includes:
False oil level judging unit, if pre- not less than first for the difference of first oil level information and second oil level information
If oil level difference threshold value, then determine there is false oil level；
Oil level abnormal deciding means, if the difference for first oil level information and second oil level information is less than described the
Whether one default oil level difference threshold value then judges first oil level information, second oil level information beyond first oil
The corresponding oil level range of warm information, the oil level range includes oil level maximum value and oil level minimum value；
First abnormal cause acquiring unit, if exceeding described for first oil level information and second oil level information
The corresponding oil level maximum value of one oil temperature information, then judge oil level abnormal cause for the first abnormal cause；
Second abnormal cause acquiring unit, if being below described for first oil level information and second oil level information
The corresponding oil level minimum value of one oil temperature information, then judge oil level abnormal cause for the second abnormal cause.
9. a kind of terminal device, including memory, processor and storage are in the memory and can be on the processor
The computer program of operation, which is characterized in that the processor realizes such as claim 1 to 5 when executing the computer program
The step of any one the method.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In when the computer program is executed by processor the step of any one of such as claim 1 to 5 of realization the method.
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| CN110926528A (en) * | 2019-11-20 | 2020-03-27 | 广东电网有限责任公司 | Monitoring method and monitoring device for operation condition of external oil type metal corrugated oil conservator |
| CN111006741A (en) * | 2019-12-25 | 2020-04-14 | 中国南方电网有限责任公司超高压输电公司广州局 | Oil level abnormity detection method and system for oil-immersed transformer body |
| CN111238599A (en) * | 2020-01-15 | 2020-06-05 | 南京智鹤电子科技有限公司 | Method and device for monitoring abnormal oil level of machine in static state |
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| CN112504397A (en) * | 2020-11-11 | 2021-03-16 | 广东电网有限责任公司 | Method and system for distinguishing oil level state of transformer |
| CN113469185A (en) * | 2021-06-04 | 2021-10-01 | 四川轻化工大学 | Oil level height detection method for transformer oil conservator |
| CN114739452A (en) * | 2022-03-23 | 2022-07-12 | 国网冀北电力有限公司廊坊供电公司 | Transformer oil conservator fault monitoring method and device and storage medium |
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| CN110926528A (en) * | 2019-11-20 | 2020-03-27 | 广东电网有限责任公司 | Monitoring method and monitoring device for operation condition of external oil type metal corrugated oil conservator |
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| CN111006741A (en) * | 2019-12-25 | 2020-04-14 | 中国南方电网有限责任公司超高压输电公司广州局 | Oil level abnormity detection method and system for oil-immersed transformer body |
| CN111238599A (en) * | 2020-01-15 | 2020-06-05 | 南京智鹤电子科技有限公司 | Method and device for monitoring abnormal oil level of machine in static state |
| CN111817440A (en) * | 2020-07-07 | 2020-10-23 | 广东电网有限责任公司梅州供电局 | Transformer monitoring method and device |
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| CN112461330A (en) * | 2020-11-02 | 2021-03-09 | 国网湖南省电力有限公司 | Oil level state judgment method and system for metal corrugated oil conservator transformer |
| CN112285034A (en) * | 2020-11-02 | 2021-01-29 | 国网上海市电力公司 | Real-time warning method based on conservator sensor and computer equipment |
| CN112504397A (en) * | 2020-11-11 | 2021-03-16 | 广东电网有限责任公司 | Method and system for distinguishing oil level state of transformer |
| CN113469185A (en) * | 2021-06-04 | 2021-10-01 | 四川轻化工大学 | Oil level height detection method for transformer oil conservator |
| CN114739452A (en) * | 2022-03-23 | 2022-07-12 | 国网冀北电力有限公司廊坊供电公司 | Transformer oil conservator fault monitoring method and device and storage medium |
| CN114739452B (en) * | 2022-03-23 | 2023-05-02 | 国网冀北电力有限公司廊坊供电公司 | Transformer oil conservator fault monitoring method, device and storage medium |
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