CN112903024A - On-line intelligent monitoring device sensor group for oil conservator and health state value calculation method - Google Patents
On-line intelligent monitoring device sensor group for oil conservator and health state value calculation method Download PDFInfo
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- CN112903024A CN112903024A CN202110178347.5A CN202110178347A CN112903024A CN 112903024 A CN112903024 A CN 112903024A CN 202110178347 A CN202110178347 A CN 202110178347A CN 112903024 A CN112903024 A CN 112903024A
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Abstract
The sensor group comprises nine parameter signals for picking up pressure sensing signals, temperature signals, humidity signal gas signals, oil leakage signals and oil level signals, the nine parameter signals relating to the pressure sensing signals, the temperature signals, the humidity signal gas signals, the oil leakage signals and the oil level signals of the oil storage cabinet are picked up through the sensor group, the nine parameter signals are subjected to formula calculation to obtain the health state value of the oil storage cabinet, and therefore the working state of the oil storage cabinet is monitored on line through parameter comprehensive calculation.
Description
Technical Field
The present invention relates to an online intelligent monitoring device sensor group and a health status value calculation method, and more particularly, to an online intelligent monitoring device sensor group and a health status value calculation method.
Background
The transformer is an important pivot device in a power system, and as the capacity and the number of the transformer increase and the scale of a power grid expands, the compensation of oil during the operation of the transformer is very important, so that higher requirements are put forward on the functions of the oil conservator, the health state of the oil conservator determines whether the transformer can normally operate, the oil conservator widely applied at present has a too simple structure and a single function, can only display the oil level, cannot calculate the operation condition according to the change of the oil level, the temperature and the pressure, or cannot predict unknown or impending problems,
therefore, a device capable of monitoring the dynamic change of the oil level and calculating data in real time is required,
the technical scheme of the invention is made based on the technical filing of the applicant and the technical problems, technical characteristics and technical effects in the prior art of the similar patent documents and the background technology obtained by searching.
Disclosure of Invention
The object of the invention is an on-line intelligent monitoring device sensor group for an oil conservator,
the invention aims to provide a health state value calculation method for an oil conservator.
In order to overcome the technical defects, the invention aims to provide a sensor group of an online intelligent monitoring device for an oil conservator and a health state value calculation method, thereby realizing the online monitoring of the working state of the oil conservator through parameter comprehensive calculation.
In order to achieve the purpose, the invention adopts the technical scheme that: an on-line intelligent monitoring device sensor group for an oil storage cabinet comprises a sensor group for picking up nine parameter signals of a pressure sensing signal, a temperature signal, a humidity signal, a gas signal, an oil leakage signal and an oil level signal.
Due to the fact that the sensor group is designed, nine parameter signals of the oil storage cabinet relating to a pressure sensing signal, a temperature signal, a humidity signal, a gas signal, an oil leakage signal and an oil level signal are picked up through the sensor group, the nine parameter signals are subjected to formula calculation, and a health state value of the oil storage cabinet is obtained, and therefore the working state of the oil storage cabinet is monitored on line through parameter comprehensive calculation.
The invention designs that technical characteristics are integrated on a sensor group in a mode of calculating nine parameter signals by a formula to obtain the health state value of the oil conservator.
The invention designs that the sensor group comprises a cavity pressure sensor, an oil temperature sensor, a cavity humidity sensor, an oil gas sensor, an external temperature sensor, an oil leakage alarm sensor and an oil level sensor.
The invention designs that a cavity pressure sensor, an oil temperature sensor, a cavity humidity sensor and an oil gas sensor are respectively arranged on a piston head of a telescopic cavity of an oil conservator, and an external temperature sensor, an oil leakage alarm sensor and an oil level sensor are respectively arranged on the inner wall of the telescopic cavity of the oil conservator.
The invention designs that the power port of the cavity pressure sensor, the power port of the pressure sensor in oil, the power port of the temperature sensor in cavity, the power port of the humidity sensor in cavity, the power port of the gas sensor in oil, the power port of the external temperature sensor, the power port of the oil leakage alarm sensor and the power port of the oil level sensor are respectively arranged to be connected with the output port of the power supply and the output port of the pressure sensor in cavity, the output port part of the oil pressure sensor, the output port part of the oil temperature sensor, the output port part of the cavity humidity sensor, the output port part of the oil gas sensor, the output port part of the external temperature sensor, the output port part of the oil leakage alarm sensor and the output port part of the oil level sensor are respectively arranged to be connected with the signal input terminal.
The invention designs that the power supply is set as a power supply for outputting 24V voltage, and the port part of the output end of the power supply is respectively set to be connected with a cavity pressure sensor, an oil temperature sensor, a cavity humidity sensor, an oil gas sensor, an external temperature sensor, an oil leakage alarm sensor, an oil level sensor and a data processor.
The invention provides that the input port of the data processor is connected with the signal input terminal, the output port of the data processor is connected with the signal output terminal and the display, and the power interface of the data processor is connected with the power supply.
The invention designs that the signal input terminal is a connecting terminal with seventeen interfaces, and the interfaces of the signal input terminal are respectively connected with a cavity pressure sensor, an oil temperature sensor, a cavity humidity sensor, an oil gas sensor, an external temperature sensor, an oil leakage alarm sensor, an oil level sensor and a data processor.
The invention designs that the signal output terminal is provided with a connecting terminal with five interfaces, and the interfaces of the signal input terminal are respectively connected with the data processor and the end of the user background data transmission line.
The invention provides that the display is arranged as a liquid crystal display and the port part of the display is arranged to be connected with the data processor.
The invention designs that the model of a cavity pressure sensor is set to be PCM300, the model of a pressure sensor in oil is set to be MIK-P300, the model of a temperature sensor in oil is set to be PT100, the model of a cavity temperature sensor is set to be PT100, the model of a cavity humidity sensor is set to be MD1500LF, the model of a gas sensor in oil is set to be OMG-101, the model of an external temperature sensor is set to be PT100, the model of an oil leakage alarm sensor is set to be ES4510, the model of an oil level sensor is set to be a 4-20mA liquid level stretcher, the model of a signal input terminal is set to be a PCB board plug-in and pull type double-pin wiring terminal, the model of a power supply is set to be Siemens PM207-3A, the model of a data processor is set to be an EITX-7580 industrial control mainboard, the model of a signal output terminal is set to be a PCB board.
The invention designs that a cavity pressure sensor, an oil medium temperature sensor, a cavity humidity sensor, an oil medium gas sensor, an external temperature sensor, an oil leakage alarm sensor, an oil level sensor and a telescopic cavity are distributed in a mode of picking up internal environment parameter signals, and the cavity pressure sensor, the oil medium temperature sensor, the cavity humidity sensor, the oil medium gas sensor, the external temperature sensor, the oil leakage alarm sensor, the oil level sensor, a signal input terminal, a power supply, a data processor, a signal output terminal and a display are distributed in a mode of data calculation and judgment.
The invention designs a health state value calculation method for an oil conservator, which comprises the following steps: nine parameter signals of the oil storage cabinet relating to a pressure sensing signal, a temperature signal, a humidity signal, a gas signal, an oil leakage signal and an oil level signal are picked up by a sensor group, and the nine parameter signals are subjected to formula calculation to obtain a health state value K of the oil storage cabinet.
The invention designs that the method comprises the following steps: the oil storage cabinet health value K is displayed through a display, and the health value K of the oil storage cabinet is transmitted to a user background computer through a signal output terminal.
In this embodiment, the health value K of the conservator is calculated by the following formula: health value K = (11 × a +11 × b +11 × c +11 × d +11 × e +11 × f +11 × g +11 × h +11 × i + N)/100,
a is set as the state coefficient of the cavity pressure sensor,
b is set as the state factor of the pressure sensor in the oil,
c is set as a state coefficient of the temperature sensor in oil,
d is set as the state coefficient of the cavity temperature sensor,
e is set as the state coefficient of the cavity humidity sensor,
f is set as the state coefficient of the gas-in-oil sensor,
g is set as a state coefficient of the external temperature sensor,
h is set as the state coefficient of the oil leakage alarm sensor,
i is set as a state coefficient of the fuel level sensor,
n is set as a coefficient of the parameter,
when K =100%, the conservator is in normal operation or not in use,
when K is more than or equal to 80% and less than 99%, the oil conservator operates normally,
when K is more than or equal to 60% and less than 80%, the oil conservator has fault hidden trouble, needs to be monitored according to fault alarm and begin to process,
when K is less than 60%, the oil conservator has major faults and needs to be immediately powered off.
The invention designs a data value setting standard value A of the cavity pressure sensor1、A2、A3、A4、A5、A6、A7、A8、A9、A10And A11Comparing the signal value A picked up by the cavity pressure sensor with the standard value A1、A2、A3、A4、A5、A6、A7、A8、A9、A10And A11One of the two is divided to obtain a state coefficient a, so that the state coefficient a is less than or equal to 1,
data value setting standard value B of pressure sensor in oil1、B2、B3、B4、B5、B6、B7、B8、B9、B10And B11Comparing the signal value B picked up by the pressure sensor in oil with a standard value B1、B2、B3、B4、B5、B6、B7、B8、B9、B10And B11One of the two is divided to obtain a state coefficient b, so that the state coefficient b is less than or equal to 1,
of temperature sensors in oilData value setting standard value C1、C2、C3、C4、C5、C6、C7、C8、C9、C10And C11Comparing the signal value C picked up by the temperature sensor in the oil with the standard value C1、C2、C3、C4、C5、C6、C7、C8、C9、C10And C11One of the two is divided to obtain a state coefficient c, so that the state coefficient c is less than or equal to 1,
data value setting standard value D of cavity temperature sensor1、D2、D3、D4、D5、D6、D7、D8、D9、D10And D11Comparing the signal value D picked up by the cavity temperature sensor with the standard value D1、D2、D3、D4、D5、D6、D7、D8、D9、D10And D11One of the two is divided to obtain a state coefficient d, so that the state coefficient d is less than or equal to 1,
data value setting standard value E of cavity humidity sensor1、E2、E3、E4、E5、E6、E7、E8、E9、E10And E11Comparing the signal value E picked up by the cavity humidity sensor with the standard value E1、E2、E3、E4、E5、E6、E7、E8、E9、E10And E11One of the two is divided to obtain a state coefficient e, so that the state coefficient e is less than or equal to 1,
data value setting standard value F of gas sensor in oil1、F2、F3、F4、F5、F6、F7、F8、F9、F10And F11Comparing the signal value F picked up by the gas sensor in oil with a standard value F1、F2、F3、F4、F5、F6、F7、F8、F9、F10And F11One of the two is divided to obtain a state coefficient f, so that the state coefficient f is less than or equal to 1,
data value setting standard value G of external temperature sensor1、G2、G3、G4、G5、G6、G7、G8、G9、G10And G11Comparing the signal value G picked up by the external temperature sensor with a standard value G1、G2、G3、G4、G5、G6、G7、G8、G9、G10And G11One of the two is divided to obtain a state coefficient g, so that the state coefficient g is less than or equal to 1,
data value setting standard value H of oil leakage alarm sensor1、H2、H3、H4、H5、H6、H7、H8、H9、H10And H11The signal value H picked up by the oil leakage alarm sensor and the standard value H are compared1、H2、H3、H4、H5、H6、H7、H8、H9、H10And H11One of the two is divided to obtain a state coefficient h, so that the state coefficient h is less than or equal to 1,
data value setting standard value I of oil level sensor1、I2、I3、I4、I5、I6、I7、I8、I9、I10And I11Comparing the picked-up signal value I of the fuel level sensor with a standard value I1、I2、I3、I4、I5、I6、I7、I8、I9、I10And I11One of the two is divided to obtain a state coefficient i, so that the state coefficient i is less than or equal to 1.
The invention designs that when the state coefficient a of the cavity pressure sensor, the picked-up state coefficient b of the pressure sensor in the oil, the state coefficient c of the temperature sensor in the oil, the state coefficient d of the cavity temperature sensor, the state coefficient e of the cavity humidity sensor, the state coefficient f of the gas sensor in the oil, the state coefficient g of the external temperature sensor, the state coefficient h of the oil leakage alarm sensor and the state coefficient i of the oil level sensor are all equal to 1, the parameter coefficient N is equal to 1,
when one of the state coefficient a of the cavity pressure sensor, the picked-up state coefficient b of the pressure sensor in the oil, the state coefficient c of the temperature sensor in the oil, the state coefficient d of the cavity temperature sensor, the state coefficient e of the cavity humidity sensor, the state coefficient f of the gas sensor in the oil, the state coefficient g of the external temperature sensor, the state coefficient h of the oil leakage alarm sensor and the state coefficient i of the oil level sensor is not equal to 1, the parameter coefficient N is equal to 0.
The invention designs various relations:
A1＜A2＜A3＜A4＜A5＜A6＜A7＜A8＜A9＜A10＜A11
B1＜B2＜B3＜B4＜B5＜B6＜B7＜B8＜B9＜B10＜B11
C1＜C2＜C3＜C4＜C5＜C6＜C7＜C8＜C9＜C10＜C11
D1＜D2＜D3＜D4＜D5＜D6＜D7＜D8＜D9＜D10＜D11
E1＜E2＜E3＜E4＜E5＜E6＜E7＜E8＜E9＜E10＜E11
F1＜F2＜F3＜F4＜F5＜F6＜F7＜F8＜F9＜F10＜F11
G1＜G2＜G3＜G4＜G5＜G6＜G7＜G8＜G9＜G10＜G11
H1＜H2＜H3＜H4＜H5＜H6＜H7＜H8＜H9＜H10＜H11
I1＜I2＜I3＜I4＜I5＜I6＜I7＜I8＜I9＜I10＜I11。
the invention designs the state coefficients of all sensors in major faults:
A÷A1=-2.9，B÷B1=-2.9，C÷C1=-0.818，D÷D1=-0.818，E÷E1=0.5，F÷F1=-2.9，G÷G1=0.5，H÷H1=-2.9，I÷I1=-2.9，
1. calculated according to the formula, when a is equal to-2.9, or b is equal to-2.9, or f is equal to-2.9, or h is equal to-2.9, or i is equal to-2.9, K will be less than 60%,
namely: a = -2.9, b =1, c =1, d =1, e =1, f =1, g =1, h =1, and K =59% when i =1, belongs to the failure state.
2. Calculated according to the formula, when c is equal to-0.818 and d is equal to-0.818, K is less than 60%, i.e.: a =1, b =1, c = -0.818, d = -0.818, e =1, f =1, g =1, h =1, i =1, K =59%, belongs to a fault state,
term 1.2 estimation purposes: when 1 or more key sensors detect a major fault, the K value is lower than 60% immediately and an alarm is given.
The invention designs that the state coefficients of all sensors at the fault critical point are as follows: A/A2=0.6061，B÷B2=0.6061，C÷C2=0.6061，D÷D2=0.6061，E÷E2=0.6061，F÷F2=0.6061，G÷G2=0.6061，H÷H2=0.6061，I÷I2=0.6061，
3, by formula, when the respective sensor state coefficients are equal to 0.6061, K would be equal to 60%,
namely: a =0.6061, b =0.6061, c =0.6061, d =0.6061, e =0.6061, f =0.6061, g =0.6061, h =0.6061, i =0.6061, K =60%, belonging to a critical fault condition,
item 3 estimation purposes: even if all sensor values are not ideal, the K value will not be below 60% and no major failure will be indicated.
The invention designs that1、B1、C1、D1、F1、H1And I1Is set to a negative value and A2、A3、A4、A5、A6、A7、A8、A9、A10、A11、B2、B3、B4、B5、B6、B7、B8、B9、B10、B11、C2、C3、C4、C5、C6、C7、C8、C9、C10、C11、 D2、D3、D4、D5、D6、D7、D8、D9、D10、D11、E1、E2、E3、E4、E5、E6、E7、E8、E9、E10、E11、F2、F3、F4、F5、F6、F7、F8、F9、F10、F11、G1、G2、G3、G4、G5、G6、G7、G8、G9、G10、G11、H2、H3、H4、H5、H6、H7、H8、H9、H10、H11、I1、I2、I3、I4、I5、I6、I7、I8、I9、I10And I11Set to a positive value.
In the technical scheme, a sensor group for calculating the health state value of the oil conservator by a formula on nine parameter signals is an important technical characteristic, and the sensor group and the health state value calculating method for the online intelligent monitoring device of the oil conservator have novelty, creativity and practicability in the technical field.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram showing the connection relationship among a cavity pressure sensor 1, an in-oil pressure sensor 2, an in-oil temperature sensor 3, a cavity temperature sensor 4, a cavity humidity sensor 5, an in-oil gas sensor 6, an external temperature sensor 7, an oil leakage alarm sensor 8, an oil level sensor 9 and a telescopic cavity 10 according to the present invention,
FIG. 2 is a schematic diagram showing the connection relationship among a cavity pressure sensor 1, an in-oil pressure sensor 2, an in-oil temperature sensor 3, a cavity temperature sensor 4, a cavity humidity sensor 5, an in-oil gas sensor 6, an external temperature sensor 7, an oil leakage alarm sensor 8, an oil level sensor 9, a signal input terminal 30, a power supply 60, a data processor 20, a signal output terminal 40 and a display 50 according to the present invention,
the oil level sensor comprises a cavity pressure sensor-1, an oil pressure sensor-2, an oil temperature sensor-3, a cavity temperature sensor-4, a cavity humidity sensor-5, an oil gas sensor-6, an external temperature sensor-7, an oil leakage alarm sensor-8, an oil level sensor-9, a telescopic cavity-10, a signal input terminal-30, a power supply-60, a data processor-20, a signal output terminal-40 and a display-50.
Detailed Description
Terms such as "having," "including," and "comprising," as used with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof, in accordance with the examination guidelines.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other, and further, unless otherwise specified, the equipments and materials used in the following examples are commercially available, and if the processing conditions are not explicitly specified, please refer to the commercially available product specifications or follow the conventional method in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An online intelligent monitoring device sensor group for an oil storage cabinet is disclosed, wherein fig. 1 is a first embodiment of the present invention, and the embodiment is specifically described with reference to the accompanying drawings, and comprises a cavity pressure sensor 1, an oil pressure sensor 2, an oil temperature sensor 3, a cavity temperature sensor 4, a cavity humidity sensor 5, an oil gas sensor 6, an external temperature sensor 7, an oil leakage alarm sensor 8 and an oil level sensor 9, wherein the cavity pressure sensor 1, the oil pressure sensor 2, the oil temperature sensor 3, the cavity temperature sensor 4, the cavity humidity sensor 5 and the oil gas sensor 6 are respectively arranged on a piston head of a telescopic cavity 10 of the oil storage cabinet, and the external temperature sensor 7, the oil leakage alarm sensor 8 and the oil level sensor 9 are respectively arranged on an inner wall of the telescopic cavity 10 of the oil storage cabinet.
In this embodiment, the power port of the cavity pressure sensor 1, the power port of the oil pressure sensor 2, the power port of the oil temperature sensor 3, the power port of the cavity temperature sensor 4, the power port of the cavity humidity sensor 5, the power port of the oil gas sensor 6, the power port of the external temperature sensor 7, the power port of the oil leak alarm sensor 8 and the power port of the oil level sensor 9 are respectively connected to the output port of the power supply 60, and the output port of the cavity pressure sensor 1, the output port of the oil pressure sensor 2, the output port of the oil temperature sensor 3, the output port of the cavity temperature sensor 4, the output port of the cavity humidity sensor 5, the output port of the oil gas sensor 6, the output port of the external temperature sensor 7, the power port of the oil temperature sensor 3, the, The output port portion of the oil leakage alarm sensor 8 and the output port portion of the oil level sensor 9 are respectively provided to be connected to the signal input terminal 30.
Through cavity pressure sensor 1, pressure sensor 2 in the oil, temperature sensor 3 in the oil, cavity temperature sensor 4, cavity humidity sensor 5, gas sensor 6 in the oil, outside temperature sensor 7, oil leak warning sensor 8 and oil level sensor 9, the support tie point to signal input terminal 30 and power 60 has been formed, by cavity pressure sensor 1, pressure sensor 2 in the oil, temperature sensor 3 in the oil, cavity temperature sensor 4, cavity humidity sensor 5, gas sensor 6 in the oil, outside temperature sensor 7, oil leak warning sensor 8 and oil level sensor 9, realized being connected with signal input terminal 30, realized being connected with power 60, its technical aim at: for use as a component for picking up the integrated signal of the conservator.
In the present embodiment, the power supply 60 is configured as a power supply that outputs 24V voltage and the output port portion of the power supply 60 is respectively configured to be connected to the cavity pressure sensor 1, the in-oil pressure sensor 2, the in-oil temperature sensor 3, the cavity temperature sensor 4, the cavity humidity sensor 5, the in-oil gas sensor 6, the external temperature sensor 7, the oil leakage alarm sensor 8, the oil level sensor 9, and the data processor 20.
Through the power supply 60, a supporting connection point for the cavity pressure sensor 1, the oil pressure sensor 2, the oil temperature sensor 3, the cavity temperature sensor 4, the cavity humidity sensor 5, the oil gas sensor 6, the external temperature sensor 7, the oil leakage alarm sensor 8, the oil level sensor 9 and the data processor 20 is formed, the power supply 60 is used for realizing the connection with the cavity pressure sensor 1, the connection with the oil pressure sensor 2, the connection with the oil temperature sensor 3, the connection with the cavity temperature sensor 4, the connection with the cavity humidity sensor 5, the connection with the oil gas sensor 6, the connection with the external temperature sensor 7, the connection with the oil leakage alarm sensor 8, the connection with the oil level sensor 9 and the connection with the data processor 20, the technical purpose is as follows: the oil level sensor is used as a component for supplying power to the cavity pressure sensor 1, the pressure sensor 2 in oil, the temperature sensor 3 in oil, the cavity temperature sensor 4, the cavity humidity sensor 5, the gas sensor 6 in oil, the external temperature sensor 7, the oil leakage alarm sensor 8, the oil level sensor 9 and the data processor 20.
In the present embodiment, the input port section of the data processor 20 is configured to be connected to the signal input terminal 30 and the output port section of the data processor 20 is configured to be connected to the signal output terminal 40 and the display 50, and the power interface of the data processor 20 is configured to be connected to the power supply 60.
Through data processor 20, the support connection point to signal input terminal 30, power 60, signal output terminal 40 and display 50 has been formed, by data processor 20, has realized being connected with signal input terminal 30, has realized being connected with power 60, has realized being connected with signal output terminal 40, has realized being connected with display 50, its technical objective lies in: the device is used as a part for carrying out calculation processing on the comprehensive signal data of the oil conservator.
In the present embodiment, the signal input terminal 30 is provided as a connection terminal having seventeen interfaces and the interfaces of the signal input terminal 30 are respectively provided to be connected to the cavity pressure sensor 1, the in-oil pressure sensor 2, the in-oil temperature sensor 3, the cavity temperature sensor 4, the cavity humidity sensor 5, the in-oil gas sensor 6, the external temperature sensor 7, the oil leakage warning sensor 8, the oil level sensor 9, and the data processor 20.
Through the signal input terminal 30, a supporting connection point for the cavity pressure sensor 1, the oil pressure sensor 2, the oil temperature sensor 3, the cavity temperature sensor 4, the cavity humidity sensor 5, the oil gas sensor 6, the external temperature sensor 7, the oil leakage alarm sensor 8, the oil level sensor 9 and the data processor 20 is formed, the connection with the cavity pressure sensor 1, the connection with the oil pressure sensor 2, the connection with the oil temperature sensor 3, the connection with the cavity temperature sensor 4, the connection with the cavity humidity sensor 5, the connection with the oil gas sensor 6, the connection with the external temperature sensor 7, the connection with the oil leakage alarm sensor 8 and the connection with the oil level sensor 9 are realized through the signal input terminal 30, the connection to the data processor 20 is achieved with the technical aim of: the oil level sensor is used as a component for connecting the cavity pressure sensor 1, the in-oil pressure sensor 2, the in-oil temperature sensor 3, the cavity temperature sensor 4, the cavity humidity sensor 5, the in-oil gas sensor 6, the external temperature sensor 7, the oil leakage alarm sensor 8, the oil level sensor 9 and the data processor 20.
In the present embodiment, the signal output terminal 40 is provided as a connection terminal having five interfaces and the interfaces of the signal input terminal 30 are respectively provided to be connected with the data processor 20 and the end of the user background data transmission line.
The signal output terminal 40 forms a supporting connection point for the data processor 20, and the signal output terminal 40 realizes connection with the data processor 20, and the technical purpose is as follows: as a means for interfacing between the data processor 20 and the user's back-end computer.
In the present embodiment, the display 50 is provided as a liquid crystal display and a port portion of the display 50 is provided in connection with the data processor 20.
The display 50 forms a supporting connection point for the data processor 20, and the display 50 realizes the connection with the data processor 20, and the technical purpose is as follows: means for displaying as a result of processing data by the data processor 20.
In this embodiment, the model of the cavity pressure sensor 1 is set to be PCM300, the model of the in-oil pressure sensor 2 is MIK-P300, the model of the in-oil temperature sensor 3 is PT100, the model of the cavity temperature sensor 4 is PT100, the model of the cavity humidity sensor 5 is MD1500LF, the model of the in-oil gas sensor 6 is OMG-101, the model of the external temperature sensor 7 is PT100, the model of the oil leakage alarm sensor 8 is ES4510, the model of the oil level sensor 9 is 4-20mA to-board liquid level stretcher, the model of the signal input terminal 30 is PCB board plug-pull type two-pin connection terminal, the model of the power supply 60 is siemens PM207-3A, the model of the data processor 20 is EITX-7580 industrial control motherboard, the model of the signal output terminal 40 is PCB board plug-pull type two-pin connection terminal, the display 50 is provided with a model number of DC80480B 050-04.
In this embodiment, the cavity pressure sensor 1, the in-oil pressure sensor 2, the in-oil temperature sensor 3, the cavity temperature sensor 4, the cavity humidity sensor 5, the in-oil gas sensor 6, the external temperature sensor 7, the oil leakage alarm sensor 8, the oil level sensor 9, and the telescopic cavity 10 are arranged to be distributed in a manner of picking up an internal environment parameter signal, the cavity pressure sensor 1, the in-oil pressure sensor 2, the in-oil temperature sensor 3, the cavity temperature sensor 4, the cavity humidity sensor 5, the in-oil gas sensor 6, the external temperature sensor 7, the oil leakage alarm sensor 8, the oil level sensor 9, the signal input terminal 30, the power supply 60, the data processor 20, the signal output terminal 40, and the display 50 are arranged to be distributed in a manner of data calculation and determination.
The invention is further described below with reference to the following examples, which are intended to illustrate the invention but not to limit it further.
A method for calculating a health value of a conservator, according to one embodiment of the present invention, comprises the steps of: the oil storage cabinet health monitoring system is characterized in that a cavity pressure sensor 1, an oil pressure sensor 2, an oil temperature sensor 3, a cavity temperature sensor 4, a cavity humidity sensor 5, an oil gas sensor 6, an external temperature sensor 7, an oil leakage alarm sensor 8 and an oil level sensor 9 respectively pick up signal data in the oil storage cabinet, the signal data in the oil storage cabinet are transmitted to a data processor 20 through a signal input terminal 30, the data processor 20 processes the data to obtain a health value K of the oil storage cabinet, the health value K of the oil storage cabinet is displayed through a display 50, and the health value K of the oil storage cabinet is transmitted to a user background computer through a signal output terminal 40.
In this embodiment, the health value K of the conservator is calculated by the following formula: health value K = (11 × a +11 × b +11 × c +11 × d +11 × e +11 × f +11 × g +11 × h +11 × i + N)/100,
a is set as the state coefficient of the cavity pressure sensor 1,
b is set as the state factor of the in-oil pressure sensor 2,
c is set as a state factor of the temperature sensor 3 in oil,
d is set as the state coefficient of the cavity temperature sensor 4,
e is set as the state factor of the chamber humidity sensor 5,
f is set as the state coefficient of the gas-in-oil sensor 6,
g is set as the state coefficient of the external temperature sensor 7,
h is set as the state coefficient of the oil leakage warning sensor 8,
i is set as a state coefficient of the fuel level sensor 9,
n is set as a coefficient of the parameter,
when K =100%, the conservator is in normal operation or not in use,
when K is more than or equal to 80% and less than 99%, the oil conservator operates normally,
when K is more than or equal to 60% and less than 80%, the oil conservator has fault hidden trouble, needs to be monitored according to fault alarm and begin to process,
when K is less than 60%, the oil conservator has major faults and needs to be immediately powered off for treatment,
in this embodiment, the data value of the cavity pressure sensor 1 is set to the standard value a1、A2、A3、A4、A5、A6、A7、A8、A9、A10And A11Comparing the signal value A picked up by the cavity pressure sensor 1 with the standard value A1、A2、A3、A4、A5、A6、A7、A8、A9、A10And A11One of the two is divided to obtain a state coefficient a, so that the state coefficient a is less than or equal to 1,
data value setting standard value B of in-oil pressure sensor 21、B2、B3、B4、B5、B6、B7、B8、B9、B10And B11Comparing the signal value B picked up by the pressure sensor 2 in oil with a standard value B1、B2、B3、B4、B5、B6、B7、B8、B9、B10And B11One of the two is divided to obtain a state coefficient b, so that the state coefficient b is less than or equal to 1,
data value setting standard value C of oil temperature sensor 31、C2、C3、C4、C5、C6、C7、C8、C9、C10And C11Picking up of temperature sensors 3 in oilSignal value C and standard value C1、C2、C3、C4、C5、C6、C7、C8、C9、C10And C11One of the two is divided to obtain a state coefficient c, so that the state coefficient c is less than or equal to 1,
data value setting standard value D of cavity temperature sensor 41、D2、D3、D4、D5、D6、D7、D8、D9、D10And D11Comparing the signal value D picked up by the cavity temperature sensor 4 with the standard value D1、D2、D3、D4、D5、D6、D7、D8、D9、D10And D11One of the two is divided to obtain a state coefficient d, so that the state coefficient d is less than or equal to 1,
data value setting standard value E of cavity humidity sensor 51、E2、E3、E4、E5、E6、E7、E8、E9、E10And E11Comparing the signal value E picked up by the cavity humidity sensor 5 with the standard value E1、E2、E3、E4、E5、E6、E7、E8、E9、E10And E11One of the two is divided to obtain a state coefficient e, so that the state coefficient e is less than or equal to 1,
data value setting standard value F of gas sensor 6 in oil1、F2、F3、F4、F5、F6、F7、F8、F9、F10And F11Comparing the signal value F picked up by the gas-in-oil sensor 6 with a standard value F1、F2、F3、F4、F5、F6、F7、F8、F9、F10And F11One of the two is divided to obtain a state coefficient f, so that the state coefficient f is less than or equal to 1,
data value setting standard value G of external temperature sensor 71、G2、G3、G4、G5、G6、G7、G8、G9、G10And G11Comparing the signal value G picked up by the external temperature sensor 7 with a standard value G1、G2、G3、G4、G5、G6、G7、G8、G9、G10And G11One of the two is divided to obtain a state coefficient g, so that the state coefficient g is less than or equal to 1,
data value setting standard value H of oil leakage alarm sensor 81、H2、H3、H4、H5、H6、H7、H8、H9、H10And H11The signal value H picked up by the oil leakage alarm sensor 8 and the standard value H are compared1、H2、H3、H4、H5、H6、H7、H8、H9、H10And H11One of the two is divided to obtain a state coefficient h, so that the state coefficient h is less than or equal to 1,
data value setting standard value I of fuel level sensor 91、I2、I3、I4、I5、I6、I7、I8、I9、I10And I11Comparing the picked-up signal value I of the fuel level sensor 9 with a standard value I1、I2、I3、I4、I5、I6、I7、I8、I9、I10And I11One of the two is divided to obtain a state coefficient i, so that the state coefficient i is less than or equal to 1.
In the present embodiment, when the state coefficient a of the cavity pressure sensor 1, the picked-up state coefficient b of the in-oil pressure sensor 2, the state coefficient c of the in-oil temperature sensor 3, the state coefficient d of the cavity temperature sensor 4, the state coefficient e of the cavity humidity sensor 5, the state coefficient f of the in-oil gas sensor 6, the state coefficient g of the outside temperature sensor 7, the state coefficient h of the oil leakage warning sensor 8, and the state coefficient i of the oil level sensor 9 are all equal to 1, the parameter coefficient N is equal to 1,
when one of the state coefficient a of the cavity pressure sensor 1, the picked-up state coefficient b of the in-oil pressure sensor 2, the state coefficient c of the in-oil temperature sensor 3, the state coefficient d of the cavity temperature sensor 4, the state coefficient e of the cavity humidity sensor 5, the state coefficient f of the in-oil gas sensor 6, the state coefficient g of the external temperature sensor 7, the state coefficient h of the oil leakage alarm sensor 8 and the state coefficient i of the oil level sensor 9 is not equal to 1, the parameter coefficient N is equal to 0.
In a second embodiment of the present invention, the steps are: the relationship between each type:
A1＜A2＜A3＜A4＜A5＜A6＜A7＜A8＜A9＜A10＜A11
B1＜B2＜B3＜B4＜B5＜B6＜B7＜B8＜B9＜B10＜B11
C1＜C2＜C3＜C4＜C5＜C6＜C7＜C8＜C9＜C10＜C11
D1＜D2＜D3＜D4＜D5＜D6＜D7＜D8＜D9＜D10＜D11
E1＜E2＜E3＜E4＜E5＜E6＜E7＜E8＜E9＜E10＜E11
F1＜F2＜F3＜F4＜F5＜F6＜F7＜F8＜F9＜F10＜F11
G1＜G2＜G3＜G4＜G5＜G6＜G7＜G8＜G9＜G10＜G11
H1＜H2＜H3＜H4＜H5＜H6＜H7＜H8＜H9＜H10＜H11
I1＜I2＜I3＜I4＜I5＜I6＜I7＜I8＜I9＜I10＜I11。
in the present embodiment, the state coefficients of the respective sensors at the time of a major failure:
A÷A1=-2.9，B÷B1=-2.9，C÷C1=-0.818，D÷D1=-0.818，E÷E1=0.5，F÷F1=-2.9，G÷G1=0.5，H÷H1=-2.9，I÷I1=-2.9。
1. calculated according to the formula, when a is equal to-2.9, or b is equal to-2.9, or f is equal to-2.9, or h is equal to-2.9, or i is equal to-2.9, K will be less than 60%,
for example: a = -2.9, b =1, c =1, d =1, e =1, f =1, g =1, h =1, and K =59% when i =1, belongs to the failure state.
2. Calculated according to the formula, when c is equal to-0.818 and d is equal to-0.818, K is less than 60%, for example:
a =1, b =1, c = -0.818, d = -0.818, e =1, f =1, g =1, h =1, i =1, K =59%, belongs to a fault state,
term 1.2 estimation purposes: when 1 or more key sensors detect a major fault, the K value is lower than 60% immediately and an alarm is given.
In the present embodiment, the respective sensor state coefficients at the failure critical point: A/A2=0.6061，B÷B2=0.6061，C÷C2=0.6061，D÷D2=0.6061，E÷E2=0.6061，F÷F2=0.6061，G÷G2=0.6061，H÷H2=0.6061，I÷I2=0.6061，
3 estimated from the equation, when the respective sensor state coefficients are equal to 0.6061, K would equal 60%.
For example:
a =0.6061, b =0.6061, c =0.6061, d =0.6061, e =0.6061, f =0.6061, g =0.6061, h =0.6061, i =0.6061, K =60%, belonging to a critical fault condition,
item 3 estimation purposes: even if all sensor values are not ideal, the K value will not be below 60% and no major failure will be indicated.
In this example, A1、B1、C1、D1、F1、H1And I1Is set to a negative value and A2、A3、A4、A5、A6、A7、A8、A9、A10、A11、B2、B3、B4、B5、B6、B7、B8、B9、B10、B11、C2、C3、C4、C5、C6、C7、C8、C9、C10、C11、 D2、D3、D4、D5、D6、D7、D8、D9、D10、D11、E1、E2、E3、E4、E5、E6、E7、E8、E9、E10、E11、F2、F3、F4、F5、F6、F7、F8、F9、F10、F11、G1、G2、G3、G4、G5、G6、G7、G8、G9、G10、G11、H2、H3、H4、H5、H6、H7、H8、H9、H10、H11、I1、I2、I3、I4、I5、I6、I7、I8、I9、I10And I11Set to a positive value.
The technical purpose is as follows: parameters picked up by the cavity pressure sensor 1, the pressure sensor 2 in the oil, the temperature sensor 3 in the oil, the cavity temperature sensor 4, the gas sensor 6 in the oil, the oil leakage alarm sensor 8 and the oil level sensor 9 are important bases of a health state value calculation method.
In a second embodiment of the invention, the technical features are integrated into the sensor group in such a way that the health state value of the conservator is obtained by formulating nine parameter signals.
In this embodiment, the sensor group is configured to include a cavity pressure sensor 1, an in-oil pressure sensor 2, an in-oil temperature sensor 3, a cavity temperature sensor 4, a cavity humidity sensor 5, an in-oil gas sensor 6, an external temperature sensor 7, an oil leakage alarm sensor 8, and an oil level sensor 9.
A second embodiment of the invention is based on the first embodiment,
the second embodiment of the present invention comprises the steps of: nine parameter signals of the oil storage cabinet relating to a pressure sensing signal, a temperature signal, a humidity signal, a gas signal, an oil leakage signal and an oil level signal are picked up by a sensor group, and the nine parameter signals are subjected to formula calculation to obtain a health state value K of the oil storage cabinet.
A second embodiment of the invention is based on the first embodiment.
The invention has the following characteristics:
1. due to the fact that the sensor group is designed, nine parameter signals of the oil storage cabinet relating to a pressure sensing signal, a temperature signal, a humidity signal, a gas signal, an oil leakage signal and an oil level signal are picked up through the sensor group, the nine parameter signals are subjected to formula calculation, and a health state value of the oil storage cabinet is obtained, and therefore the working state of the oil storage cabinet is monitored on line through parameter comprehensive calculation.
2. Due to the design of the telescopic cavity 10, the installation requirements of different positions of the sensor group are realized.
3. Due to the design of the signal input terminal 30, the power supply 60, the data processor 20, the signal output terminal 40 and the display 50, the health state value K of the oil conservator can be monitored and transmitted in the background.
4. Because the structural shape is limited by the numerical range, the numerical range is the technical characteristic of the technical scheme of the invention, and is not the technical characteristic obtained by formula calculation or limited tests, and tests show that the technical characteristic of the numerical range achieves good technical effect.
5. Due to the design of the technical characteristics of the invention, tests show that each performance index of the invention is at least 1.7 times of the existing performance index under the action of the single and mutual combination of the technical characteristics, and the invention has good market value through evaluation.
Other technical features which are the same as or similar to those of the sensor group which calculates the health state value of the oil conservator by performing a formula on nine parameter signals are all one of the embodiments of the present invention, and the technical features of the above-mentioned embodiments can be combined arbitrarily, and in order to meet the requirements of patent laws, patent implementation rules and examination guidelines, all possible combinations of the technical features of the above-mentioned embodiments are not described again.
The above embodiment is only one implementation form of the sensor group of the online intelligent monitoring device for the oil conservator and the health status value calculating method provided by the present invention, and it is within the protection scope of the present invention to add or reduce the components or steps therein according to other variations of the solution provided by the present invention, or to apply the present invention to other technical fields close to the present invention.
Claims (10)
1. The utility model provides an online intelligent monitoring device sensor group for storing up oil tank, characterized by: the sensor group comprises nine parameter signals for picking up pressure signal, temperature signal, humidity signal, gas signal, oil leakage signal and oil level signal.
2. The on-line intelligent monitoring device sensor group for the oil conservator as claimed in claim 1, wherein: technical characteristics are integrated on the sensor group in a mode of calculating the health state value of the oil conservator by a formula according to the nine parameter signals.
3. The on-line intelligent monitoring device sensor group for the oil conservator as claimed in claim 1, wherein: the sensor group is set to include a cavity pressure sensor (1), an oil pressure sensor (2), an oil temperature sensor (3), a cavity temperature sensor (4), a cavity humidity sensor (5), an oil gas sensor (6), an external temperature sensor (7), an oil leakage alarm sensor (8) and an oil level sensor (9).
4. The on-line intelligent monitoring device sensor group for the oil conservator as claimed in claim 1, wherein: the cavity pressure sensor (1), the oil pressure sensor (2), the oil temperature sensor (3), the cavity temperature sensor (4), the cavity humidity sensor (5) and the oil gas sensor (6) are respectively arranged on a piston head of a telescopic cavity (10) of the oil storage cabinet, and the external temperature sensor (7), the oil leakage alarm sensor (8) and the oil level sensor (9) are respectively arranged on the inner wall of the telescopic cavity (10) of the oil storage cabinet.
5. The on-line intelligent monitoring device sensor group for the oil conservator as claimed in claim 4, wherein: the power end opening part of the cavity pressure sensor (1), the power end opening part of the oil medium pressure sensor (2), the power end opening part of the oil medium temperature sensor (3), the power end opening part of the cavity temperature sensor (4), the power end opening part of the cavity humidity sensor (5), the power end opening part of the oil gas sensor (6), the power end opening part of the external temperature sensor (7), the power end opening part of the oil leakage alarm sensor (8) and the power end opening part of the oil level sensor (9) are respectively arranged to be connected with the output end opening part of the power supply (60), the output end opening part of the cavity pressure sensor (1), the output end opening part of the oil medium pressure sensor (2), the output end opening part of the oil medium temperature sensor (3), the output end opening part of the cavity temperature sensor (4), the output end opening part of the cavity humidity sensor (5) and the output end opening part of the oil gas sensor (, The output port part of the external temperature sensor (7), the output port part of the oil leakage alarm sensor (8) and the output port part of the oil level sensor (9) are respectively connected with a signal input terminal (30).
6. The on-line intelligent monitoring device sensor group for the oil conservator as claimed in claim 1, wherein: the power supply (60) is set as a power supply for outputting 24V voltage, and the output port of the power supply (60) is respectively connected with the cavity pressure sensor (1), the pressure sensor (2) in the oil, the temperature sensor (3) in the oil, the cavity temperature sensor (4), the cavity humidity sensor (5), the gas sensor (6) in the oil, the external temperature sensor (7), the oil leakage alarm sensor (8), the oil level sensor (9) and the data processor (20),
or the input port part of the data processor (20) is connected with the signal input terminal (30) and the output port part of the data processor (20) is connected with the signal output terminal (40) and the display (50), the power interface of the data processor (20) is connected with the power supply (60),
or the signal input terminal (30) is set to be a connecting terminal with seventeen interfaces, and the interfaces of the signal input terminal (30) are respectively set to be connected with the cavity pressure sensor (1), the pressure sensor (2) in the oil, the temperature sensor (3) in the oil, the cavity temperature sensor (4), the cavity humidity sensor (5), the gas sensor (6) in the oil, the external temperature sensor (7), the oil leakage alarm sensor (8), the oil level sensor (9) and the data processor (20),
or the signal output terminal (40) is set as a connecting terminal with five interfaces and the interfaces of the signal input terminal (30) are respectively set to be connected with the data processor (20) and the end of the user background data transmission line,
or, the display (50) is set as a liquid crystal display and the port part of the display (50) is set to be connected with the data processor (20),
or, the model of the cavity pressure sensor (1) is set to be PCM300, the model of the pressure sensor (2) in oil is set to be MIK-P300, the model of the temperature sensor (3) in oil is set to be PT100, the model of the cavity temperature sensor (4) is set to be PT100, the model of the cavity humidity sensor (5) is set to be MD1500LF, the model of the gas sensor (6) in oil is set to be OMG-101, the model of the external temperature sensor (7) is set to be PT100, the model of the oil leakage alarm sensor (8) is set to be ES4510, the model of the oil level sensor (9) is set to be 4-20mA liquid level stretcher, the model of the signal input terminal (30) is set to be a PCB board-to-board plug-and-pull type double-pin wiring terminal, the model of the power supply (60) is set to be Siemens PM207-3A, the model of the data processor (20) is set to be an EITX-7580 industrial control mainboard, the display (50) is provided with model number DC80480B 050-04.
7. The set of sensors of an online intelligent monitoring device for a conservator according to any of claims 1 to 6, characterized by: the cavity pressure sensor (1), the pressure sensor in oil (2), the temperature sensor in oil (3), the cavity temperature sensor (4), the cavity humidity sensor (5), the gas sensor in oil (6), the external temperature sensor (7), the oil leakage alarm sensor (8), the oil level sensor (9) and the telescopic cavity (10) are arranged to be distributed according to the mode of picking up internal environment parameter signals, the oil leakage alarm device comprises a cavity pressure sensor (1), an oil pressure sensor (2), an oil temperature sensor (3), a cavity temperature sensor (4), a cavity humidity sensor (5), an oil gas sensor (6), an external temperature sensor (7), an oil leakage alarm sensor (8), an oil level sensor (9), a signal input terminal (30), a power supply (60), a data processor (20), a signal output terminal (40) and a display (50), which are distributed in a mode of being calculated and judged according to data.
8. A health state value calculation method for an oil conservator is characterized by comprising the following steps: the method comprises the following steps: nine parameter signals of the oil storage cabinet relating to a pressure sensing signal, a temperature signal, a humidity signal, a gas signal, an oil leakage signal and an oil level signal are picked up by a sensor group, and the nine parameter signals are subjected to formula calculation to obtain a health state value K of the oil storage cabinet.
9. The state of health value calculation method for a conservator as claimed in claim 1, wherein: the method comprises the following steps: by cavity pressure sensor (1), pressure sensor (2) in the oil, temperature sensor (3) in the oil, cavity temperature sensor (4), cavity humidity transducer (5), gas sensor (6) in the oil, outside temperature sensor (7), signal data in the oil storage cabinet is picked up respectively to oil leak warning sensor (8) and oil level sensor (9), signal data in the oil storage cabinet is transmitted to data processor (20) through signal input terminal (30), carry out data processing by data processor (20) and obtain the health value K of oil storage cabinet, the health value K of oil storage cabinet shows through display (50), the health value K of oil storage cabinet passes through signal output terminal (40) and transmits to user's backstage computer.
10. The state of health value calculation method for a conservator as claimed in claim 1, wherein: the method comprises the following steps: the calculation formula of the health value K of the oil conservator is as follows: health value K = (11 × a +11 × b +11 × c +11 × d +11 × e +11 × f +11 × g +11 × h +11 × i + N)/100,
a is set as the state coefficient of the cavity pressure sensor (1),
b is set as the state coefficient of the pressure sensor (2) in the oil,
c is set as a state coefficient of the temperature sensor (3) in oil,
d is set as the state coefficient of the cavity temperature sensor (4),
e is set as the state coefficient of the cavity humidity sensor (5),
f is set as a state coefficient of the gas-in-oil sensor (6),
g is set as a state coefficient of the external temperature sensor (7),
h is set as the state coefficient of the oil leakage alarm sensor (8),
i is set as a state coefficient of the fuel level sensor (9),
n is set as a coefficient of the parameter,
when K =100%, the conservator is in normal operation or not in use,
when K is more than or equal to 80% and less than 99%, the oil conservator operates normally,
when K is more than or equal to 60% and less than 80%, the oil conservator has fault hidden trouble, needs to be monitored according to fault alarm and begin to process,
when K is less than 60%, the oil conservator has major faults and needs to be immediately powered off for treatment,
or, the data value of the cavity pressure sensor (1) is set to be a standard value A1、A2、A3、A4、A5、A6、A7、A8、A9、A10And A11The signal value A picked up by the cavity pressure sensor (1) is compared with the standard value A1、A2、A3、A4、A5、A6、A7、A8、A9、A10And A11One of the two is divided to obtain a state coefficient a, so that the state coefficient a is less than or equal to 1,
the data value of the pressure sensor (2) in oil is set to a standard value B1、B2、B3、B4、B5、B6、B7、B8、B9、B10And B11Comparing the signal value B picked up by the pressure sensor (2) in the oil with a standard value B1、B2、B3、B4、B5、B6、B7、B8、B9、B10And B11One of the two is divided to obtain a state coefficient b, so that the state coefficient b is less than or equal to 1,
data value setting standard value C of oil temperature sensor (3)1、C2、C3、C4、C5、C6、C7、C8、C9、C10And C11Comparing the signal value C picked up by the temperature sensor (3) in the oil with a standard value C1、C2、C3、C4、C5、C6、C7、C8、C9、C10And C11One of the two is divided to obtain a state coefficient c, so that the state coefficient c is less than or equal to 1,
the data value of the cavity temperature sensor (4) is set to a standard value D1、D2、D3、D4、D5、D6、D7、D8、D9、D10And D11The signal value D picked up by the cavity temperature sensor (4) is compared with a standard value D1、D2、D3、D4、D5、D6、D7、D8、D9、D10And D11One of the two is divided to obtain a state coefficient d, so that the state coefficient d is less than or equal to 1,
setting standard value E of data value of cavity humidity sensor (5)1、E2、E3、E4、E5、E6、E7、E8、E9、E10And E11The signal value E picked up by the cavity humidity sensor (5) is compared with a standard value E1、E2、E3、E4、E5、E6、E7、E8、E9、E10And E11One of the two is divided to obtain a state coefficient e, so that the state coefficient e is less than or equal to 1,
data value setting standard value F of gas sensor (6) in oil1、F2、F3、F4、F5、F6、F7、F8、F9、F10And F11Comparing the signal value F picked up by the gas-in-oil sensor (6) with a standard value F1、F2、F3、F4、F5、F6、F7、F8、F9、F10And F11One of the two is divided to obtain a state coefficient f, so that the state coefficient f is less than or equal to 1,
the data value of the external temperature sensor (7) is set to a standard value G1、G2、G3、G4、G5、G6、G7、G8、G9、G10And G11Comparing the signal value G picked up by the external temperature sensor (7) with a standard value G1、G2、G3、G4、G5、G6、G7、G8、G9、G10And G11One of the two is divided to obtain a state coefficient g, so that the state coefficient g is less than or equal to 1,
data value setting standard value H of oil leakage alarm sensor (8)1、H2、H3、H4、H5、H6、H7、H8、H9、H10And H11The signal value H picked up by the oil leakage alarm sensor (8) and the standard value H are compared1、H2、H3、H4、H5、H6、H7、H8、H9、H10And H11One of the two is divided to obtain a state coefficient h, so that the state coefficient h is less than or equal to 1,
data value setting standard value I of oil level sensor (9)1、I2、I3、I4、I5、I6、I7、I8、I9、I10And I11Comparing the picked-up signal value I of the fuel level sensor (9) with a standard value I1、I2、I3、I4、I5、I6、I7、I8、I9、I10And I11One of the two is divided to obtain a state coefficient i, so that the state coefficient i is less than or equal to 1,
or when the state coefficient a of the cavity pressure sensor (1), the picked-up state coefficient b of the oil pressure sensor (2), the state coefficient c of the oil temperature sensor (3), the state coefficient d of the cavity temperature sensor (4), the state coefficient e of the cavity humidity sensor (5), the state coefficient f of the oil gas sensor (6), the state coefficient g of the external temperature sensor (7), the state coefficient h of the oil leakage alarm sensor (8) and the state coefficient i of the oil level sensor (9) are all equal to 1, the parameter coefficient N is equal to 1,
when one of a state coefficient a of the cavity pressure sensor (1), a picked-up state coefficient b of the oil pressure sensor (2), a state coefficient c of the oil temperature sensor (3), a state coefficient d of the cavity temperature sensor (4), a state coefficient e of the cavity humidity sensor (5), a state coefficient f of the oil gas sensor (6), a state coefficient g of the external temperature sensor (7), a state coefficient h of the oil leakage alarm sensor (8) and a state coefficient i of the oil level sensor (9) is not equal to 1, a parameter coefficient N is equal to 0,
or, the various relationships:
A1＜A2＜A3＜A4＜A5＜A6＜A7＜A8＜A9＜A10＜A11
B1＜B2＜B3＜B4＜B5＜B6＜B7＜B8＜B9＜B10＜B11
C1＜C2＜C3＜C4＜C5＜C6＜C7＜C8＜C9＜C10＜C11
D1＜D2＜D3＜D4＜D5＜D6＜D7＜D8＜D9＜D10＜D11
E1＜E2＜E3＜E4＜E5＜E6＜E7＜E8＜E9＜E10＜E11
F1＜F2＜F3＜F4＜F5＜F6＜F7＜F8＜F9＜F10＜F11
G1＜G2＜G3＜G4＜G5＜G6＜G7＜G8＜G9＜G10＜G11
H1＜H2＜H3＜H4＜H5＜H6＜H7＜H8＜H9＜H10＜H11
I1＜I2＜I3＜I4＜I5＜I6＜I7＜I8＜I9＜I10＜I11，
or, the state coefficient of each sensor at the time of a major fault:
A÷A1=-2.9，B÷B1=-2.9，C÷C1=-0.818，D÷D1=-0.818，E÷E1=0.5，F÷F1=-2.9，G÷G1=0.5，H÷H1=-2.9，I÷I1=-2.9，
1. calculated according to the formula, when a is equal to-2.9, or b is equal to-2.9, or f is equal to-2.9, or h is equal to-2.9, or i is equal to-2.9, K will be less than 60%,
namely: a = -2.9, b =1, c =1, d =1, e =1, f =1, g =1, h =1, and K =59% at i =1, which belongs to the failure state,
2. calculated according to the formula, when c is equal to-0.818 and d is equal to-0.818, K is less than 60%, i.e.: a =1, b =1, c = -0.818, d = -0.818, e =1, f =1, g =1, h =1, i =1, K =59%, belongs to a fault state,
term 1.2 estimation purposes: when 1 or more key sensors detect major faults, the K value is lower than 60 percent immediately and gives an alarm,
or, the state coefficient of each sensor at the fault critical point: A/A2=0.6061，B÷B2=0.6061，C÷C2=0.6061，D÷D2=0.6061，E÷E2=0.6061，F÷F2=0.6061，G÷G2=0.6061，H÷H2=0.6061，I÷I2=0.6061，
3, by formula, when the respective sensor state coefficients are equal to 0.6061, K would be equal to 60%,
namely: a =0.6061, b =0.6061, c =0.6061, d =0.6061, e =0.6061, f =0.6061, g =0.6061, h =0.6061, i =0.6061, K =60%, belonging to a critical fault condition,
item 3 estimation purposes: even if all sensor values are not ideal, the K value will not be below 60%, no major failure will be indicated,
or, A1、B1、C1、D1、F1、H1And I1Is set to a negative value and A2、A3、A4、A5、A6、A7、A8、A9、A10、A11、B2、B3、B4、B5、B6、B7、B8、B9、B10、B11、C2、C3、C4、C5、C6、C7、C8、C9、C10、C11、 D2、D3、D4、D5、D6、D7、D8、D9、D10、D11、E1、E2、E3、E4、E5、E6、E7、E8、E9、E10、E11、F2、F3、F4、F5、F6、F7、F8、F9、F10、F11、G1、G2、G3、G4、G5、G6、G7、G8、G9、G10、G11、H2、H3、H4、H5、H6、H7、H8、H9、H10、H11、I1、I2、I3、I4、I5、I6、I7、I8、I9、I10And I11Set to a positive value.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110156918A1 (en) * | 2009-12-30 | 2011-06-30 | Eduardo Pedrosa Santos | System for monitoring oil level and detecting leaks in power transformers, reactors, current and potential transformers, high voltage bushings and the like |
| CN204007775U (en) * | 2014-07-08 | 2014-12-10 | 国家电网公司 | Transformer oil level on-line monitoring system |
| CN104362736A (en) * | 2014-09-17 | 2015-02-18 | 特变电工衡阳变压器有限公司 | Intelligent component cabinet and monitoring method for intelligent transformer |
| CN105787648A (en) * | 2016-02-19 | 2016-07-20 | 国网浙江省电力公司金华供电公司 | Distribution transformer health state evaluation method based on real-time operation information |
| US20170011612A1 (en) * | 2011-12-16 | 2017-01-12 | Virginia Transformer Corporation | System and method for monitoring and controlling a transformer |
| CN109738191A (en) * | 2019-01-11 | 2019-05-10 | 北京三一智造科技有限公司 | Engine health status evaluation method and system |
| CN209656793U (en) * | 2018-11-07 | 2019-11-19 | 山东五岳电器有限公司 | The resultant fault diagnostic device of for transformer |
| CN110488188A (en) * | 2019-08-09 | 2019-11-22 | 中国电建集团华东勘测设计研究院有限公司 | The three-dimensional healthy method for quantitatively evaluating of unit based on dynamic threshold |
| CN111441864A (en) * | 2020-04-02 | 2020-07-24 | 浙江三一装备有限公司 | Engine health diagnosis method and engine diagnosis system |
-
2021
- 2021-02-07 CN CN202110178347.5A patent/CN112903024B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110156918A1 (en) * | 2009-12-30 | 2011-06-30 | Eduardo Pedrosa Santos | System for monitoring oil level and detecting leaks in power transformers, reactors, current and potential transformers, high voltage bushings and the like |
| US20170011612A1 (en) * | 2011-12-16 | 2017-01-12 | Virginia Transformer Corporation | System and method for monitoring and controlling a transformer |
| CN204007775U (en) * | 2014-07-08 | 2014-12-10 | 国家电网公司 | Transformer oil level on-line monitoring system |
| CN104362736A (en) * | 2014-09-17 | 2015-02-18 | 特变电工衡阳变压器有限公司 | Intelligent component cabinet and monitoring method for intelligent transformer |
| CN105787648A (en) * | 2016-02-19 | 2016-07-20 | 国网浙江省电力公司金华供电公司 | Distribution transformer health state evaluation method based on real-time operation information |
| CN209656793U (en) * | 2018-11-07 | 2019-11-19 | 山东五岳电器有限公司 | The resultant fault diagnostic device of for transformer |
| CN109738191A (en) * | 2019-01-11 | 2019-05-10 | 北京三一智造科技有限公司 | Engine health status evaluation method and system |
| CN110488188A (en) * | 2019-08-09 | 2019-11-22 | 中国电建集团华东勘测设计研究院有限公司 | The three-dimensional healthy method for quantitatively evaluating of unit based on dynamic threshold |
| CN111441864A (en) * | 2020-04-02 | 2020-07-24 | 浙江三一装备有限公司 | Engine health diagnosis method and engine diagnosis system |
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