CN207502638U - Monitoring device and monitoring system - Google Patents

Monitoring device and monitoring system Download PDF

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Publication number
CN207502638U
CN207502638U CN201721611221.8U CN201721611221U CN207502638U CN 207502638 U CN207502638 U CN 207502638U CN 201721611221 U CN201721611221 U CN 201721611221U CN 207502638 U CN207502638 U CN 207502638U
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China
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monitoring
unit
data
dielectric loss
partial discharge
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CN201721611221.8U
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丁登伟
刘卫东
冯瑞
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Sichuan Energy Internet Research Institute EIRI Tsinghua University
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Sichuan Energy Internet Research Institute EIRI Tsinghua University
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Abstract

The utility model provides a kind of monitoring device and monitoring system.Described device is applied to the few oily equipment of electric power.Described device includes detection components, sampling unit, data processing unit and monitoring unit.The equipment includes taking hydraulic fluid port and end shield ground structure.Detection components, which include being arranged on, to be taken hydraulic fluid port with the pressure sensing cell that obtains pressure data and is arranged in end shield ground structure to obtain the dielectric loss of dielectric loss data and partial discharge data and partial discharge detection unit.Sampling unit is used to sample, and be sent to data processing unit and handled the monitoring data that detection components obtain.Monitoring unit is for treated, monitoring data to be analyzed to obtain analysis result, to monitor the state of the equipment.To electric power, a variety of monitoring variables of few oily equipment synchronize monitoring, and then a variety of monitoring variables are analyzed as a result, and the operating status of the few oily equipment of electric power can accurately be obtained by not needing to have a power failure, and find latency defect.

Description

Monitoring device and monitoring system
Technical field
The utility model is related to technical field of electric equipment, in particular to a kind of monitoring device and monitoring system.
Background technology
There are many few oily equipment of electric power in electric system, for example, current transformer, voltage transformer and paper oil insulation casing Deng these equipment once break down, it would be possible to set off an explosion, accident involves that range is wider, and power supply interrupted district is larger, to power grid The loss brought is huge.Therefore the stable safety guarantee to electric system of few oily equipment is most important.
The defects of few oily equipment of electric power occurs is mostly that interior contact is bad, and interior contact is bad to lead to abnormal heating, into And cause high oil temperature, pressure increase, so that equipment explosion;Defect, which further includes ontology humidified insulation or manufacturing process, to be caused to insulate There is shelf depreciation in inside, if electric discharge long-term existence, will lead to insulation degradation, equipment flashover is caused to explode.
Presently mainly by power failure preventive trial, to electric power, the operating status of few oily equipment is assessed, wherein, stop Electric preventive trial includes oil chromatogram analysis, Dielectric Loss Test and partial discharge test.These experiments are both needed to equipment power failure, thus band Carry out loss of outage.
Utility model content
In order to overcome above-mentioned deficiency of the prior art, the technical problem to be solved by the utility model is to provide a kind of prisons Device and monitoring system are surveyed, monitoring can be synchronized, and then to a variety of monitorings by a variety of monitoring variables of few oily equipment to electric power Amount is analyzed, and the operating status of the few oily equipment of electric power can accurately be obtained by not needing to have a power failure, and find latency defect, so as to Ensure the operational safety of equipment.
The utility model preferred embodiment provides a kind of monitoring device, and applied to the few oily equipment of electric power, described device includes Detection components, sampling unit, data processing unit and monitoring unit,
The few oily equipment of the electric power includes taking hydraulic fluid port and end shield ground structure;
The detection components include pressure sensing cell and dielectric loss and partial discharge detection unit;
The pressure sensing cell takes hydraulic fluid port described in being arranged on, and the pressure data of the equipment is obtained for monitoring;
The dielectric loss and partial discharge detection unit are arranged in the end shield ground structure, and the equipment is obtained for monitoring Dielectric loss data and partial discharge data;
The sampling unit is connect with the pressure sensing cell, dielectric loss and partial discharge detection unit communication, to be monitored Data sampling, wherein, the monitoring data include pressure data, dielectric loss data and partial discharge data;
The data processing unit is communicated to connect with the sampling unit and monitoring unit, for sending out the sampling unit The monitoring data sent are handled, and the monitoring data are sent to the monitoring unit by treated;
The monitoring unit is for treated, the monitoring data to be analyzed to obtain analysis result, with described in monitoring The state of equipment.
In the utility model preferred embodiment, described device further includes a triple valve,
The first port of the triple valve takes hydraulic fluid port to connect with described;
The second port of the triple valve is provided with the pressure sensing cell.
In the utility model preferred embodiment, the detection components, the quantity of triple valve and the few oily equipment of the electric power Quantity it is identical.
In the utility model preferred embodiment, the detection components, the quantity of triple valve are 1,2 or 3 It is a.
In the utility model preferred embodiment, the pressure sensing cell includes piezoresistive pressure sensor.
In the utility model preferred embodiment, the dielectric loss and partial discharge detection unit include dielectric loss detection sub-unit,
The dielectric loss detection sub-unit includes the first current sensor;
First current sensor is used to detect Leakage Current.
In the utility model preferred embodiment, the dielectric loss and partial discharge detection unit further include partial discharge detection subelement,
The partial discharge detection subelement includes the second current sensor and impedance;
Second current sensor is used to detect shelf depreciation high-frequency current signal;
The impedance is used to detect partial-discharge ultrahigh-frequency signal.
In the utility model preferred embodiment, the sampling unit includes pressure and dielectric loss sampling subelement and partial discharge is adopted Sub-unit;
The pressure and dielectric loss sampling subelement are communicated to connect with the pressure sensing cell and dielectric loss detection sub-unit, are used Pressure data and dielectric loss data are obtained in sampling;
The partial discharge sampling subelement is communicated to connect with the partial discharge detection subelement, and partial discharge data are obtained for sampling.
In the utility model preferred embodiment, described device further includes alarm unit,
The monitoring unit is communicated to connect with the alarm unit, and the monitoring unit is additionally operable to be controlled according to analysis result The working condition of the alarm unit is to carry out classifying alarm.
The utility model preferred embodiment also provides a kind of monitoring system, and the system comprises the few oily equipment of electric power and above-mentioned Monitoring device described in any one, the state that the monitoring device is used for few oily equipment to the electric power are monitored.
In terms of existing technologies, the utility model has the advantages that:
The utility model provides a kind of monitoring device and monitoring system.Described device is applied to the few oily equipment of electric power.It is described Device includes detection components, sampling unit, data processing unit and monitoring unit, the few oily equipment of the electric power include taking hydraulic fluid port and End shield ground structure.Wherein, the detection components include the pressure sensing cell for obtaining the equipment pressure data and use In the dielectric loss data and the dielectric loss of partial discharge data and partial discharge detection unit that obtain the equipment.The pressure sensing cell is arranged on Described to take hydraulic fluid port, the dielectric loss and partial discharge detection unit are arranged in the end shield ground structure.The pressure sensing cell, Jie It undermines partial discharge detection unit to communicate to connect with the sampling unit respectively, the data processing unit and the sampling unit and prison Survey unit communication connection.The monitoring data that the sampling unit sends the detection components sample, and will be obtained after sampling To monitoring data be sent to the data processing unit.Wherein, the monitoring data include pressure data, dielectric loss data and office Put data.The monitoring data that the data processing unit sends the sampling unit are handled, and will treated monitoring Data are sent to the monitoring unit.The monitoring unit is used for by the way that treated, monitoring data are analyzed, and is divided Analysis is as a result, be monitored the state of the equipment with realizing.
Described device can synchronize on-line monitoring by a variety of monitoring variables of few oily equipment to electric power as a result, and pass through pair Monitoring variable is analyzed, and analysis result corresponding with the few oil equipment running status of electric power is obtained, convenient for finding latency defect.Together When, described device can greatly improve the few oily equipment running status perceptibility of electric power, also reduce the power failure of the few oily equipment of electric power Test period.
For the above-mentioned purpose of utility model, feature and advantage is enable to be clearer and more comprehensible, the utility model cited below particularly is preferable Embodiment, and attached drawing appended by cooperation, are described in detail below.
Description of the drawings
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is one of block diagram of monitoring device that the utility model preferred embodiment provides.
Fig. 2 is the two of the block diagram for the monitoring device that the utility model preferred embodiment provides.
Fig. 3 is the block diagram that Fig. 1 intermediaries undermine partial discharge detection unit.
Fig. 4 is the block diagram of sampling unit in Fig. 1.
Icon:100- monitoring devices;110- pressure sensing cells;120- dielectric loss and partial discharge detection unit;121- dielectric loss is examined Survey subelement;122- partial discharge detection subelements;130- sampling units;131- pressure and dielectric loss sampling subelement;132- partial discharges are adopted Sub-unit;140- data processing units;150- monitoring unit;160- alarm units;The few oily equipment of 200- electric power;210- takes oil Mouthful;220- end shield ground structures.
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole realities Apply example.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be come with a variety of different configurations Arrangement and design.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Reality based on the utility model Example is applied, those skilled in the art's all other embodiments obtained under the premise of creative work is not made belong to The range of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship be based on orientation shown in the drawings or position relationship or The utility model product using when the orientation usually put or position relationship, be for only for ease of description the utility model and letter Change description rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and Operation, therefore it is not intended that limitation to the utility model.In addition, term " first ", " second ", " third " etc. are only used for area Divide description, and it is not intended that instruction or hint relative importance.
In addition, the terms such as term " level ", " vertical ", " pendency " are not offered as requiring component abswolute level or pendency, and It is that can be slightly tilted.It is not to represent the structure if " level " only refers to that its direction is more horizontal with respect to for " vertical " It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, Or it is integrally connected;Can be mechanical connection or electrical connection;It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve concrete meaning of the above-mentioned term in the utility model.
Below in conjunction with the accompanying drawings, it elaborates to some embodiments of the utility model.In the absence of conflict, under Feature in the embodiment and embodiment stated can be combined with each other.
Please refer to Fig. 1, Fig. 1 be the monitoring device 100 that the utility model preferred embodiment provides block diagram it One.The monitoring device 100 is used to monitor the operating status of the few oily equipment 200 of electric power, to find the few oily equipment of the electric power 200 latency defect.The monitoring device 100 includes the detection components communicated to connect successively, sampling unit 130, at data Manage unit 140 and monitoring unit 150.The detection components are used to obtain the monitoring variable data of the power equipment, the monitoring Treated that monitoring variable data are analyzed to sampled unit 130, data processing unit 140 for unit 150, obtains and the electricity The corresponding analysis result of operating status of the few oily equipment 200 of power, realizes the monitoring to the electric power 200 state of few oily equipment, Convenient for finding latency defect and ensureing the reliability service of the few oily equipment 200 of the electric power.
Wherein, the few oily equipment 200 of the electric power and a wherein phase for three-phase electricity are electrically connected.The few oily equipment of the electric power 200 may be, but not limited to, paper oil insulation current transformer, paper oil insulation voltage transformer and paper oil insulation casing etc..
In the present embodiment, the few oily equipment 200 of the electric power can include taking hydraulic fluid port 210 and end shield ground structure 220.Institute Pressure sensing cell 110 and dielectric loss and partial discharge detection unit 120 can be included by stating detection components.The pressure sensing cell 110 Hydraulic fluid port 210 is taken described in being arranged on, the pressure data of the few oily equipment 200 of the electric power is obtained for monitoring.The dielectric loss and Partial discharge detection unit 120 can be arranged in the end shield ground structure 220, and the few oily equipment of the electric power is obtained for monitoring 200 dielectric loss data and partial discharge data.
In the embodiment of the present embodiment, the pressure sensing cell 110, dielectric loss and partial discharge detection unit 120 can be with It is communicated to connect by coaxial cable and the sampling unit 130.The sampling unit 130 can be by optical fiber and the data Reason unit 140 communicates to connect.The data processing unit 140 can pass through wireless network and 150 communication link of monitoring unit It connects.Of course, it should be understood that the data communication between each unit can also be realized by other means.
The monitoring data that the sampling unit 130 sends the detection components sample, the monitoring after being sampled Data.Wherein, the monitoring data include pressure data, dielectric loss data and partial discharge data.The data processing unit 140 is to institute The monitoring data for stating the transmission of sampling unit 130 synchronize pretreatment (for example, denoising).The monitoring unit 150 is to the number Treated monitoring data are sent according to processing unit 140 and carry out classification storage and real-time display, then pass through trend curve point Pressure data, the variation of dielectric loss data and partial discharge data over a period to come are analysed, and to pressure data, dielectric loss data and partial discharge number It is analyzed according to being associated property, so as to judge the few oily equipment 200 of the electric power with the presence or absence of defect to obtain analysis result.Wherein, Can there are a database, the monitoring data that the database receives for storage in the monitoring unit 150.
Wherein, the data processing unit 140 can also be to the monitoring data of reception or treated that monitoring data carry out It stores in short-term.
Wherein, dielectric loss is also dielectric loss, refers to insulating materials under electric field action, due to dielectric conductance and dielectric polorization Hysteresis effect, caused energy loss inside it.Partial discharge is also shelf depreciation, and shelf depreciation refers to when applied voltage is in electricity The field strength generated in gas equipment, it is sufficient to insulated part region be made to discharge, but do not form fixed electric discharge in region of discharge and lead to A kind of electric discharge phenomena in road.
Since before equipment breakdown occurs in the few oily equipment 200 of electric power, the pressure of equipment is likely to occur exception, internal possible There is typical local discharge signal.In the present embodiment, by monitoring the electric power pressure of oily equipment 200, part less on-line Electric discharge and dielectric loss can fully and effectively ensure the operational safety of equipment.
In the present embodiment, the monitoring device 100 can also include a triple valve.The triple valve includes three ends Mouthful.First port takes hydraulic fluid port 210 to connect with described, and second port is provided with the pressure sensing cell 110, and third port is used for Take oil.
In the present embodiment, the end shield ground structure 220 can be lengthened, by the dielectric loss and partial discharge detection Unit 120 is arranged in the end shield ground structure 220.
In the embodiment of the present embodiment, the pressure sensing cell 110 can include piezoresistive pressure sensor, with The pressure data of the few oily equipment 200 of the electric power is obtained by the piezoresistive pressure sensor.
Please refer to Fig. 1 and Fig. 2, Fig. 2 be the monitoring device 100 that the utility model preferred embodiment provides block diagram Two.The detection components, the quantity of triple valve are identical with the quantity of the few oily equipment 200 of the circuit power.
In the embodiment of the present embodiment, the detection components, the quantity of triple valve can be 1,2 or 3, The quantity of the sampling unit 130, data processing unit 140 and monitoring unit 150 can be respectively 1.
As shown in Figure 1, when being only 1 with the few oily equipment 200 of the 100 corresponding electric power of monitoring device, the monitoring The monitoring variable data of the few oily equipment 200 of same electric power can be compared by unit 150 in different periods, can also be in difference Analysis is associated between monitoring variable data, convenient for accurately analyzing the operating status of the few oily equipment 200 of the electric power, finds latency Defect provides a variety of analysis data for unit exception.
When being 2 or 3 with the few oily equipment 200 of the 100 corresponding electric power of monitoring device, the few oily equipment of each electric power 200 are connected with one in three-phase electricity, for example, the few oily equipment 200 of electric power is three, are then corresponded with three-phase in three-phase electricity. It in this case, can also be by monitoring variable data between the few oily equipment 200 of out of phase electric power in addition to above-mentioned analysis mode It compares to be analyzed.
Fig. 3 is please referred to, Fig. 3 is the block diagram that Fig. 1 intermediaries undermine partial discharge detection unit 120.The dielectric loss and partial discharge Detection unit 120 can include dielectric loss detection sub-unit 121 and partial discharge detection subelement 122.
In the present embodiment, the dielectric loss detection sub-unit 121 can include the first electric current for detecting leakage current Sensor.The measurement sensitivity of first current sensor is not less than 20uA.The partial discharge detection subelement 122 can wrap Include the second current sensor for detecting shelf depreciation high-frequency current signal and for detecting partial-discharge ultrahigh-frequency signal Impedance.Wherein, the detection sensitivity of second current sensor is not less than 10pC;The impedance is superfrequency impedance, described The detection sensitivity of impedance is not less than 10pC.
It, can be by way of being arranged by first current sensor and the second electricity in the embodiment of the present embodiment Flow sensor is arranged in the end shield ground structure 220, the impedance can be arranged on the end in a manner that string is set Shield in ground structure 220.
Fig. 4 is please referred to, Fig. 4 is the block diagram of sampling unit 130 in Fig. 1.The sampling unit 130 can include pressure Power and dielectric loss sampling subelement 131 and partial discharge sampling subelement 132.
The pressure and dielectric loss sampling subelement 131 and the pressure sensing cell 110 and dielectric loss detection sub-unit 121 are logical Letter connection obtains pressure data and dielectric loss data with sampling.The partial discharge sampling subelement 132 and the partial discharge detection subelement 122 communication connections obtain partial discharge data with sampling.
In the embodiment of the present embodiment, the sample rate of the pressure and dielectric loss sampling subelement 131 is not less than 10Ks/ S, sampling interval are not higher than 2 hours;The sample rate of the partial discharge sampling subelement 132 is not less than 50Ms/S, and the sampling interval is not high In 2 hours.
Referring once again to Fig. 1, the monitoring device 100 can also include alarm unit 160.The alarm unit 160 with The monitoring unit 150 communicates to connect.The monitoring unit 150 is additionally operable to control the alarm unit 160 according to analysis result Working condition state to carry out classifying alarm.
In the present embodiment, the monitoring unit 150 can divide pressure data, dielectric loss data and partial discharge data Analysis, according to each data, whether alarm unit 160 carries out multistage early warning described in exception control.For example, partial discharge data exception, dielectric loss number According to and pressure data it is normal, then the alarm unit 160 is controlled to enter three-level early warning working condition, prompts equipment that can monitor fortune Row carries out preventive trial by the normal period.Dielectric loss data and partial discharge data exception, pressure data are normal, then described in control Alarm unit 160 enters two level early warning working condition, prompts equipment that need to carry out preventive trial within half a year.Pressure data and Jie Damage data exception, no matter whether partial discharge data are abnormal, then the alarm unit 160 is controlled to enter level-one early warning working condition, is carried Show that equipment need to have a power failure immediately to be overhauled.
The utility model preferred embodiment also provides a kind of monitoring system, the system comprises the few oily equipment 200 of electric power and The monitoring device 100, the operating status that the monitoring device 100 is used for few oily equipment 200 to the electric power are monitored.
In conclusion the utility model provides a kind of monitoring device and monitoring system.Described device is applied to the few oil of electric power Equipment.Described device includes detection components, sampling unit, data processing unit and monitoring unit, the few oily equipment packet of the electric power It includes and takes hydraulic fluid port and end shield ground structure.Wherein, the detection components include the pressure inspection for obtaining the equipment pressure data Survey unit and for obtaining the dielectric loss of the dielectric loss data of the equipment and partial discharge data and partial discharge detection unit.The pressure inspection Survey unit takes hydraulic fluid port described in being arranged on, and the dielectric loss and partial discharge detection unit are arranged in the end shield ground structure.The pressure Power detection unit, dielectric loss and partial discharge detection unit communicate to connect respectively with the sampling unit, the data processing unit and institute State sampling unit and monitoring unit communication connection.The monitoring data that the sampling unit sends the detection components are adopted Sample, and the monitoring data obtained after sampling are sent to the data processing unit.Wherein, the monitoring data include number pressure According to, dielectric loss data and partial discharge data.The monitoring data that the data processing unit sends the sampling unit are handled, and By treated, monitoring data are sent to the monitoring unit.The monitoring unit be used for by treated monitoring data into Row analysis, obtains analysis result, and the state of the equipment is monitored with realizing.
Described device can synchronize on-line monitoring by a variety of monitoring variables of few oily equipment to electric power as a result, and pass through pair Monitoring variable is analyzed, and analysis result corresponding with the few oil equipment running status of electric power is obtained, convenient for finding latency defect.Together When, described device can greatly improve the few oily equipment running status perceptibility of electric power, also reduce the power failure of the few oily equipment of electric power Test period creates economic benefit.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of monitoring device, which is characterized in that applied to the few oily equipment of electric power, described device includes detection components, sampling list Member, data processing unit and monitoring unit,
The few oily equipment of the electric power includes taking hydraulic fluid port and end shield ground structure;
The detection components include pressure sensing cell and dielectric loss and partial discharge detection unit;
The pressure sensing cell takes hydraulic fluid port described in being arranged on, and the pressure data of the equipment is obtained for monitoring;
The dielectric loss and partial discharge detection unit are arranged in the end shield ground structure, and the dielectric loss of the equipment is obtained for monitoring Data and partial discharge data;
The sampling unit is connect with the pressure sensing cell, dielectric loss and partial discharge detection unit communication, to be monitored data Sampling, wherein, the monitoring data include pressure data, dielectric loss data and partial discharge data;
The data processing unit is communicated to connect with the sampling unit and monitoring unit, for what is sent to the sampling unit The monitoring data are handled, and the monitoring data are sent to the monitoring unit by treated;
The monitoring unit is for treated, the monitoring data to be analyzed to obtain analysis result, to monitor the equipment State.
2. the apparatus according to claim 1, which is characterized in that described device further includes a triple valve,
The first port of the triple valve takes hydraulic fluid port to connect with described;
The second port of the triple valve is provided with the pressure sensing cell.
3. the apparatus of claim 2, which is characterized in that the detection components, the quantity of triple valve and the electric power The quantity of few oil equipment is identical.
4. device according to claim 3, which is characterized in that the detection components, the quantity of triple valve are 1,2 Or 3.
5. the apparatus according to claim 1, which is characterized in that the pressure sensing cell is sensed including pressure drag type pressure Device.
6. the apparatus according to claim 1, which is characterized in that the dielectric loss and partial discharge detection unit include dielectric loss detection Unit,
The dielectric loss detection sub-unit includes the first current sensor;
First current sensor is used to detect Leakage Current.
7. device according to claim 6, which is characterized in that the dielectric loss and partial discharge detection unit further include partial discharge detection Subelement,
The partial discharge detection subelement includes the second current sensor and impedance;
Second current sensor is used to detect shelf depreciation high-frequency current signal;
The impedance is used to detect partial-discharge ultrahigh-frequency signal.
8. device according to claim 7, which is characterized in that the sampling unit includes pressure and dielectric loss sampling subelement Subelement is sampled with partial discharge;
The pressure and dielectric loss sampling subelement are communicated to connect with the pressure sensing cell and dielectric loss detection sub-unit, for adopting Sample obtains pressure data and dielectric loss data;
The partial discharge sampling subelement is communicated to connect with the partial discharge detection subelement, and partial discharge data are obtained for sampling.
9. the apparatus according to claim 1, which is characterized in that described device further includes alarm unit,
The monitoring unit is communicated to connect with the alarm unit, and the monitoring unit is additionally operable to according to controlling analysis result The working condition of alarm unit is to carry out classifying alarm.
10. a kind of monitoring system, which is characterized in that the system comprises any one in the few oily equipment of electric power and claim 1-9 Monitoring device described in, the state that the monitoring device is used for few oily equipment to the electric power are monitored.
CN201721611221.8U 2017-11-27 2017-11-27 Monitoring device and monitoring system Active CN207502638U (en)

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CN201721611221.8U CN207502638U (en) 2017-11-27 2017-11-27 Monitoring device and monitoring system

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Application Number Priority Date Filing Date Title
CN201721611221.8U CN207502638U (en) 2017-11-27 2017-11-27 Monitoring device and monitoring system

Publications (1)

Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113823067A (en) * 2021-09-17 2021-12-21 国网内蒙古东部电力有限公司兴安供电公司 Infrared, ultraviolet and visible light image processing and fusing system and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113823067A (en) * 2021-09-17 2021-12-21 国网内蒙古东部电力有限公司兴安供电公司 Infrared, ultraviolet and visible light image processing and fusing system and method

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