CN111024156A - Multi-sensor integrated monitoring device for GIS information acquisition - Google Patents
Multi-sensor integrated monitoring device for GIS information acquisition Download PDFInfo
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- CN111024156A CN111024156A CN201911303116.1A CN201911303116A CN111024156A CN 111024156 A CN111024156 A CN 111024156A CN 201911303116 A CN201911303116 A CN 201911303116A CN 111024156 A CN111024156 A CN 111024156A
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
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Abstract
The invention relates to a multi-sensor integrated monitoring device for GIS information acquisition, which comprises a GIS information comprehensive acquisition sub-device and a GIS state diagnosis sub-device which are connected, wherein the GIS information comprehensive acquisition sub-device comprises a shell (1), and a GIS information acquisition module, an information processing module and an environmental data acquisition module which are arranged in the shell (1), the information processing module is respectively connected with the GIS information acquisition module and the environmental data acquisition module, a fixing mechanism (10) for installing the GIS information comprehensive acquisition sub-device on the surface of a GIS equipment shell is installed on the shell (1), and the GIS state diagnosis sub-device realizes state estimation and diagnosis of GIS equipment based on an established GIS state diagnosis model according to the acquired information of the GIS information comprehensive acquisition sub-device. Compared with the prior art, the invention has the advantages of simple and convenient use, reliable monitoring result and the like.
Description
Technical Field
The invention belongs to the technical field of power equipment state monitoring and fault diagnosis, relates to a GIS equipment monitoring device, and particularly relates to a multi-sensor integrated monitoring device for GIS information acquisition.
Background
At present, GIS equipment is widely used in the power industry, the safe and stable operation of the GIS equipment is always a concern, although the reliability of the GIS equipment is high under normal conditions, various defects can be caused due to various artificial or uncontrollable factors and aging along with the increase of the operation age, wherein the heating defect and the partial discharge defect are main types of GIS faults. As the GIS equipment is mostly high-voltage heavy-current equipment and is totally closed, the internal defects or faults are not easy to discover, and once the faults occur, the faults are not discovered in time, serious consequences can be caused, and even great threat can be caused to the life and property safety of personnel. In recent years, because of frequent power accidents caused by GIS faults, strengthening GIS equipment, especially internal state monitoring and fault diagnosis has important significance. However, for GIS equipment, the existing types of local discharge monitoring equipment for maintenance are rare, most of them are monitored by monitoring personnel directly nearby, but if the local discharge is strong, the personnel may be injured.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the multi-sensor integrated monitoring device for GIS information acquisition, which is convenient to install and reliable in monitoring result.
The purpose of the invention can be realized by the following technical scheme:
a multi-sensor integrated monitoring device for GIS information acquisition comprises a GIS information comprehensive acquisition sub-device and a GIS state diagnosis sub-device which are connected, wherein,
the GIS information comprehensive acquisition sub-device comprises a shell, and a GIS information acquisition module, an information processing module and an environmental data acquisition module which are arranged in the shell, wherein the information processing module is respectively connected with the GIS information acquisition module and the environmental data acquisition module, and a fixing mechanism for installing the GIS information comprehensive acquisition sub-device on the surface of a GIS equipment shell is installed on the shell.
And the GIS state diagnosis sub-device comprehensively acquires the acquisition information of the sub-device according to the GIS information and realizes the state estimation and diagnosis of the GIS equipment based on the established GIS state diagnosis model.
Further, the housing is a housing made of a flexible material.
Furthermore, a shell information monitoring port and an environmental information monitoring port which correspond to the GIS information acquisition module and the environmental data acquisition module are formed in the shell.
Furthermore, the GIS information acquisition module and the information processing module are located in the same internal area, and an intermediate heat insulation layer is arranged between the environmental data acquisition module and the internal area.
Further, the GIS information acquisition module comprises an ultrasonic information sensor and a thermal information sensor.
Furthermore, the information processing module comprises a power supply, a wireless communication module and a processor, the processor is respectively connected with the wireless communication module, the GIS information acquisition module and the environmental data acquisition module, and the power supply is used for supplying power.
Furthermore, an anti-electromagnetic interference ferrite magnetic sheet is arranged in the GIS information comprehensive acquisition sub-device.
Furthermore, the GIS information comprehensive acquisition sub-device is provided with a plurality of.
Further, the GIS state diagnosis model is established based on an information fusion theory.
Furthermore, the GIS state diagnosis sub-device realizes the state estimation and diagnosis of the GIS equipment by utilizing the acquired information which is acquired by the GIS information comprehensive acquisition sub-device for a plurality of times in a period.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention realizes that the running state of each internal part is calculated by GIS external characteristic information to realize fault diagnosis, has the advantages of no need of disassembling original equipment and power failure, small size, light weight, no need of an external power supply, wireless communication and the like, can provide sufficient information for the fault analysis work of related maintainers, and has important theoretical and practical significance.
2. The method starts from the basic phenomenon of fault occurrence, and selects the thermal and ultrasonic characteristic information outside the GIS equipment as a main acquisition object; and the shell is made of flexible materials, and the non-setting adhesive group made of the magnet and the pressure-sensitive adhesive is used as a fixing means for different shell materials, so that the sensor can be directly attached to the GIS shell without an additional mechanical fixing mechanism, and is convenient to assemble and disassemble, thereby obtaining the best information and improving the diagnosis precision.
3. The monitoring port is formed in the shell, so that the sensor can be tightly attached to the surface of the GIS shell when the device is used, optimal information is acquired, and the diagnosis precision is improved.
4. The fixing mechanism adopts a module design, can be randomly configured with the number of devices according to the use requirement, and has the advantages of convenient carrying and use.
5. Various interference factors are fully considered in the design of the invention, the heat insulation layer is arranged in the device, the influence of the internal temperature on the environmental temperature sensor can be effectively eliminated, and the ferrimagnetic sheet material is arranged to resist electromagnetic interference, so that the integral operation effect of the device is better.
6. The method not only collects the characteristic information on the GIS shell, but also fully considers the influence factors such as environmental parameters and the like, utilizes the function to carry out denoising processing, and utilizes information fusion to carry out comprehensive processing and consideration on various information, so that the method is flexible, high in accuracy and strong in universality, and can be expanded and applied to various GIS equipment and fault types.
Drawings
FIG. 1 is a schematic structural diagram of a GIS information comprehensive acquisition sub-device in the embodiment of the invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
fig. 3 is a schematic diagram of an inner side structure of the GIS information integrated acquisition sub-device in the embodiment of the present invention;
fig. 4 is a schematic diagram of an outer side structure of the GIS information integrated acquisition sub-device in the embodiment of the present invention;
FIG. 5 is a functional block diagram of the present invention;
description of reference numerals: 1-shell, 2-intermediate heat-insulating layer, 3-temperature sensor, 4-humidity sensor, 5-processor, 6-wireless communication module, 7-power supply, 8-ultrasonic information sensor, 9-thermal information sensor, 10-fixing mechanism, 11-anti-electromagnetic interference ferrimagnetic sheet, 12-environmental information monitoring port and 13-shell information monitoring port.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 5, the present embodiment provides a multi-sensor integrated monitoring device for GIS information collection, including a GIS information comprehensive collection sub-device and a GIS state diagnosis sub-device connected to each other, where the GIS information comprehensive collection sub-device is used to collect the shell feature information and the environmental information of a GIS device, and the GIS state diagnosis sub-device implements state estimation and diagnosis of the GIS device based on an established GIS state diagnosis model according to the collected information of the GIS information comprehensive collection sub-device.
As shown in fig. 3 and fig. 4, the integrated GIS information collecting sub-device includes a housing 1, and a GIS information collecting module, an information processing module and an environmental data collecting module which are disposed in the housing 1, wherein the information processing module is respectively connected to the GIS information collecting module and the environmental data collecting module, and a fixing mechanism 10 for installing the integrated GIS information collecting sub-device on the surface of the housing of the GIS device is installed on the housing 1. In this embodiment, the GIS device housing is made of iron, so the magnet set is selected as the fixing mechanism, and if the GIS housing is made of other metal materials, the adhesive sticker set made of pressure sensitive adhesive can be selected as the fixing mechanism.
The shell 1 is the shell made by flexible material, can be fixed in GIS information comprehensive collection sub-device in GIS shell surface with the help of magnet magnetic force during the use, and is stable when can guaranteeing the sub-device installation through calculation and control to magnetic force and sub-device quality before the use, and convenient the dismantlement is got back simultaneously. The shell 1 is provided with a plurality of fixing grooves for placing the magnet.
In this embodiment, the housing 1 is divided into a bottom housing and a top housing, the GIS information acquisition module and the information processing module are disposed in the bottom housing, and the environmental data acquisition module is disposed in the top housing. When the GIS information comprehensive acquisition sub-device is used, the bottom shell is tightly attached to the surface of a GIS equipment shell, and a gap is formed between the top shell and the GIS equipment.
The magnet in this embodiment selects neodymium iron boron strong magnet for use, and the use quantity is 4.
The GIS information acquisition module comprises an ultrasonic information sensor 8 and a thermal information sensor 9, and the environmental data acquisition module comprises a temperature sensor 3 and a humidity sensor 4. The shell 1 is provided with a shell information monitoring port 13 and an environmental information monitoring port 12 which correspond to the positions of the GIS information acquisition module and the environmental data acquisition module, so that the sensor can be tightly attached to the surface of the GIS shell when the device is used, and optimal information can be acquired.
The information processing module comprises a power supply 7, a wireless communication module 6 and a processor 5, the wireless communication module 6 in the embodiment adopts a ZigBee communication module, the processor 5 is respectively connected with the ZigBee communication module, a GIS information acquisition module and an environmental data acquisition module, and the power supply 7 realizes power supply. It should be noted that, besides ZigBee, the wireless communication module 6 may also adopt modes such as bluetooth and NFC according to actual usage scenarios.
GIS information acquisition module and information processing module are located same interior region, and the intermediate heat insulating layer 2 is provided with between environmental data acquisition module and the interior region to eliminate the influence of inside temperature to ambient temperature sensor, play fixed overall structure's effect simultaneously.
The GIS information comprehensive acquisition sub-device is internally provided with anti-electromagnetic interference ferrite tiles 11 for separating the sensors so as to remove electromagnetic interference among the sensors. An anti-interference magnetic ring is additionally arranged on an antenna of the ZigBee communication module so as to eliminate interference in the signal transmission process.
When the GIS state diagnosis sub-device is used, a plurality of GIS information comprehensive acquisition sub-devices can be arranged, the plurality of GIS information comprehensive acquisition sub-devices are connected with one GIS state diagnosis sub-device, and the using number can be selected according to needs.
The GIS state diagnosis model is established based on an information fusion theory. The GIS state diagnosis model utilizes information data obtained by the GIS information comprehensive acquisition sub-device for multiple times in a period to carry out comprehensive processing and analysis, so that a GIS state evaluation and diagnosis result is obtained. In the embodiment, the GIS state diagnosis model is established based on the D-S Evidence Theory, and the detection results of 3 times in one monitoring period (1 minute) are processed and analyzed.
In this embodiment, a 110kV single-branch iron GIS bus tube is selected as a research object. When the device is used, 16 GIS information comprehensive acquisition sub-devices are uniformly placed on the surface of the shell of the GIS bus tube, and 4 GIS information comprehensive acquisition sub-devices are arranged in a circle as shown in figures 1-2. The mass of the device in the embodiment is about 200g, 4 neodymium iron boron strong magnets with the weight of 1g are selected to be arranged on four corners, the maximum magnetic attraction force of about 600 g can be provided, the fixing requirement of the device is met, and meanwhile any adult can be easily taken down;
secondly, the processor 5 in the GIS information comprehensive acquisition sub-device can process the thermal and acoustic information acquired by the shell thermal information sensor 8 and the shell ultrasonic information sensor 9 and the environmental parameter information acquired by the environmental temperature sensor 3 and the environmental humidity sensor 4 in real time for one time, and remove background noise and abnormal signals by using a Gaussian filtering algorithm;
and thirdly, the GIS information comprehensive acquisition sub-device wirelessly transmits the data to a GIS state diagnosis sub-device through a ZigBee communication module.
Fourthly, after the GIS state diagnosis sub-device obtains data information, firstly, putting data obtained by primary monitoring into a matrix H with 16 rows and 4 columns as a model input vector; secondly, establishing a prediction model based on a Fuzzy-SVM algorithm, and inputting the matrix H into the model, so as to obtain a criterion matrix H' of the GIS operation state; thirdly, establishing a GIS state diagnosis model based on D-S Evidence Theory, inputting criterion matrixes H1 ', H2 ' and H3 ' obtained by monitoring for 3 times within 1 minute into the model, and thus obtaining a four-dimensional diagnosis result matrix J (e, f, g, H) of the GIS operation state, wherein e is the number of GIS components, f is the number of fault types, g is the number of subtypes in the fault types, and H is the degree calibration number of the fault types, namely J (4,2,4,3) in the embodiment; and finally, translating the result matrix, and visually displaying the diagnosis result to an operator.
The device can monitor and diagnose the internal whole of the GIS and the running state of each component by external information. In actual use, the number of the GIS information comprehensive acquisition sub-devices and a diagnosis model algorithm in the GIS state diagnosis sub-device can be selected according to needs.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concept of the present invention should be within the protection scope determined by the present invention.
Claims (10)
1. A multi-sensor integrated monitoring device for GIS information acquisition is characterized by comprising a GIS information comprehensive acquisition sub-device and a GIS state diagnosis sub-device which are connected, wherein,
the GIS information comprehensive acquisition sub-device comprises a shell (1), and a GIS information acquisition module, an information processing module and an environmental data acquisition module which are arranged in the shell (1), wherein the information processing module is respectively connected with the GIS information acquisition module and the environmental data acquisition module, and a fixing mechanism (10) for installing the GIS information comprehensive acquisition sub-device on the surface of a GIS equipment shell is installed on the shell (1).
And the GIS state diagnosis sub-device comprehensively acquires the acquisition information of the sub-device according to the GIS information and realizes the state estimation and diagnosis of the GIS equipment based on the established GIS state diagnosis model.
2. The multisensor integrated monitoring device for GIS information collection according to claim 1, wherein the housing (1) is a housing made of a flexible material.
3. The GIS information collection multi-sensor integrated monitoring device according to claim 1, wherein the housing (1) is provided with a housing information monitoring port (13) and an environmental information monitoring port (12) corresponding to the positions of the GIS information collection module and the environmental data collection module.
4. The GIS information collection multi-sensor integrated monitoring device according to claim 1, wherein the GIS information collection module and the information processing module are located in the same internal area, and an intermediate heat insulation layer (2) is arranged between the environmental data collection module and the internal area.
5. The GIS information collection multi-sensor integrated monitoring device according to claim 1, wherein the GIS information collection module comprises an ultrasonic information sensor (8) and a thermal information sensor (9).
6. The GIS information collection multi-sensor integrated monitoring device according to claim 1, wherein the information processing module comprises a power supply (7), a wireless communication module (6) and a processor (5), the processor (5) is respectively connected with the wireless communication module (6), the GIS information collection module and the environmental data collection module, and the power supply (7) supplies power.
7. The GIS information collection multi-sensor integrated monitoring device according to claim 1, wherein an anti-electromagnetic interference ferrite magnetic sheet (11) is provided in the GIS information comprehensive collection sub-device.
8. The integrated monitoring device of multiple sensors for GIS information collection according to claim 1, wherein there are a plurality of the integrated GIS information collection sub-devices.
9. The integrated monitoring device of multiple sensors for GIS information collection according to claim 1, wherein the GIS state diagnosis model is established based on information fusion theory.
10. The GIS information collection multi-sensor integrated monitoring device according to claim 1, wherein the GIS state diagnosing sub-device performs state estimation and diagnosis of the GIS device using collected information obtained through the GIS information comprehensive collection sub-device a plurality of times in a cycle.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114762972A (en) * | 2021-01-15 | 2022-07-19 | 腾讯科技（深圳）有限公司 | Mechanical trunk and machine dog |
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