CN110501617A - A kind of partial discharge of switchgear detection system and method - Google Patents
A kind of partial discharge of switchgear detection system and method Download PDFInfo
- Publication number
- CN110501617A CN110501617A CN201910625641.9A CN201910625641A CN110501617A CN 110501617 A CN110501617 A CN 110501617A CN 201910625641 A CN201910625641 A CN 201910625641A CN 110501617 A CN110501617 A CN 110501617A
- Authority
- CN
- China
- Prior art keywords
- signal
- detection
- local discharge
- module
- host
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a kind of partial discharge of switchgear detection system and method, which includes: the multiple discharging detection devices for detecting host and being wirelessly connected with detection host；Multiple discharging detection devices can be laid in switch cabinet body different location, be respectively used to be sent to the detection host to generate local discharge signal, and by local discharge signal to switchgear progress Partial Discharge Detection with communication；Detection host is used to detect whether the local discharge signal that each discharging detection device is sent to be abnormal, and sends alarm signal to the abnormal corresponding discharging detection device of local discharge signal；Discharging detection device is also used to play the alarm signal.Partial discharge of switchgear detection system provided by the invention, Partial Discharge Detection efficiently can be carried out to switchgear, and it can be when detecting local discharge signal, control detects that the wireless sensing device of local discharge signal carries out acousto-optic and warns, and the position that shelf depreciation occurs intuitively is shown on switchgear.
Description
Technical field
The present invention relates to technical field of electric power detection, and in particular to a kind of partial discharge of switchgear detection system and method.
Background technique
There are mainly two types of for current partial discharge of switchgear test device: hand-hold ultrasonic Partial discharge detector
With large-scale local discharge signal detection system.
Hand-held single machine Partial discharge detector detection switch cabinet local discharge signal in a manner of manual inspection, but it
It only supports that the mode of single list probe is detected, and manpower is needed to contact measurement equipment using contact probe, it is artificial to grasp
It is readily incorporated noise, and detection efficiency is not high.
Large-scale local discharge signal detection system can connect multiple probes simultaneously, measure the shelf depreciation letter of multiple points
Number, but the probe of current large-scale ultrasonic wave local discharge signal tester is to connect sensor and inspection by wired mode mostly
Instrument is surveyed, wiring workload is very big in test process, and to meet the synchronous detection of bulky switch cabinet group, it may be necessary to up to a hundred
A probe can not intuitively show the position that shelf depreciation occurs when detecting local discharge signal, can only be by successively looking into
Sensor number is looked for determine being that sensor detects local discharge signal, detection efficiency is not high.
Summary of the invention
One purpose of the disclosure is to provide a kind of new technical solution of partial discharge of switchgear detection.In order to disclosure
The some aspects of embodiment have a basic understanding, simple summary is shown below.The summarized section is not generally to comment
It states, nor to determine key/critical component or describe the protection scope of these embodiments.Its sole purpose is with simple
Form some concepts are presented, in this, as the preamble of following detailed description.
According to an aspect of an embodiment of the present invention, a kind of partial discharge of switchgear detection system is provided, comprising:
The multiple discharging detection devices for detecting host and being wirelessly connected with the detection host；
Multiple discharging detection devices can be laid in switch cabinet body different location, be respectively used to the switchgear into
Row Partial Discharge Detection is sent to institute to generate local discharge signal, and by the local discharge signal with communication
State detection host；
Whether the local discharge signal that the detection host is used to detect each discharging detection device transmission is abnormal,
And alarm signal is sent to the abnormal corresponding discharging detection device of the local discharge signal；
The discharging detection device is also used to play the alarm signal.
Further, the discharging detection device include wireless communication module slave and with the wireless communication module from
The partial discharge collection module and shelf depreciation alarm module of mechatronics；
The partial discharge collection module is used to carry out Partial Discharge Detection to the switchgear to generate shelf depreciation letter
Number, and the local discharge signal is sent to the detection host by the wireless communication module slave；
The wireless communication module slave is also used to receive the alarm signal that the detection host is sent, and by the warning
Signal is transmitted to the shelf depreciation alarm module；
The shelf depreciation alarm module is for playing the alarm signal.
Further, the partial discharge collection module includes the voltage sensor and analog-digital converter being electrically connected to each other；
The voltage sensor is used to acquire the analog voltage signal of the switchgear part；
The analog-digital converter is used to be converted to the analog voltage signal digital voltage signal, and the number is electric
Signal is pressed to be sent to the detection host by the wireless communication module slave.
Further, the discharging detection device further includes magnet, the magnet be used for by the discharge examination module with
Magnetic mode is adsorbed in the switch cabinet body.
Further, the detection host includes that the wireless communication module host being electrically connected two-by-two, shelf depreciation judge mould
Block and human-computer interaction module；
The wireless communication module host is used to receive the local discharge signal that the discharging detection device is sent, and by institute
It states local discharge signal and is transmitted to the shelf depreciation judgment module；
Whether the shelf depreciation judgment module is abnormal for judging the local discharge signal, and judging result is sent
To the human-computer interaction module；
The human-computer interaction module is for showing the judging result, and according to the control instruction of user's input to abnormal
The corresponding discharging detection device of the local discharge signal sends alarm signal.
Further, the shelf depreciation judgment module includes voltage comparator；The voltage comparator is used for will be described
The voltage value of local discharge signal is compared with predetermined threshold value, to judge whether the local discharge signal is abnormal.
Further, each discharging detection device is correspondingly arranged on electronic mark information, the detection host according to
The electronic mark data separation identifies the discharging detection device.
Other side according to an embodiment of the present invention provides a kind of real using the partial discharge of switchgear detection system
Existing method for detection of partial discharge of switch cabinet, comprising:
Multiple discharging detection devices carry out Partial Discharge Detection in the different location of switchgear respectively to generate part
The local discharge signal is sent to the detection host with communication by discharge signal；
Whether the local discharge signal that each discharging detection device of detection Host Detection is sent is abnormal, and to
The corresponding discharging detection device of the abnormal local discharge signal sends alarm signal；
The discharging detection device plays the alarm signal.
Further, whether the local discharge signal that each discharging detection device of detection Host Detection is sent
It is abnormal, comprising:
The voltage value of the local discharge signal is compared with predetermined threshold value；
If the voltage value of local discharge signal is greater than predetermined threshold value, judge that the local discharge signal is abnormal.
Further, described to send warning letter to the abnormal corresponding discharging detection device of the local discharge signal
Number, comprising:
In response to the control instruction that user is inputted by human-computer interaction module, the local discharge signal of Xiang Yichang is corresponding
The discharging detection device send alarm signal.
Technical solution provided in an embodiment of the present invention can include the following benefits:
Partial discharge of switchgear detection system and method provided by the invention efficiently can carry out shelf depreciation to switchgear
Detection, and can when detecting local discharge signal, control detect the discharging detection device of abnormal local discharge signal into
Row acousto-optic is warned, and the position that shelf depreciation occurs intuitively is shown on switchgear；Solves existing partial discharge of switchgear
The position that shelf depreciation occurs, the not high problem of detection efficiency can not be intuitively shown in detection.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It is clear that alternatively, Partial Feature and advantage can deduce from specification or unambiguously determine, or pass through implementation
The embodiment of the present invention understands.The objectives and other advantages of the invention can be by written specification, claims and attached
Specifically noted structure is achieved and obtained in figure.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in invention, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of partial discharge of switchgear detection system structural block diagram provided by the embodiments of the present application；
Fig. 2 is a kind of method for detection of partial discharge of switch cabinet flow chart provided by the embodiments of the present application.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawing and specific implementation
The present invention will be further described for example.It should be appreciated that described herein, specific examples are only used to explain the present invention, and does not have to
It is of the invention in limiting.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term), there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, it should be understood that have in the context of the prior art
The consistent meaning of meaning, and unless idealization or meaning too formal otherwise will not be used by specific definitions as here
To explain.
One embodiment of the application provides a kind of partial discharge of switchgear detection system, comprising:
The multiple discharging detection devices for detecting host and being wirelessly connected with the detection host；
Multiple discharging detection devices can be laid in switch cabinet body different location, be respectively used to the switchgear into
Row Partial Discharge Detection is sent to institute to generate local discharge signal, and by the local discharge signal with communication
State detection host；
Whether the local discharge signal that the detection host is used to detect each discharging detection device transmission is abnormal,
And alarm signal is sent to the abnormal corresponding discharging detection device of the local discharge signal；
The discharging detection device is also used to play the alarm signal.
The detection host includes the wireless communication module host, shelf depreciation judgment module and man-machine friendship being electrically connected two-by-two
Mutual module；
The discharging detection device includes wireless communication module slave and respectively with the wireless communication module from electromechanics
The partial discharge collection module and shelf depreciation alarm module of connection；
The partial discharge collection module is used to carry out Partial Discharge Detection to the switchgear to generate shelf depreciation letter
Number, and the local discharge signal is sent to the detection host by the wireless communication module slave；
The wireless communication module slave is also used to receive the alarm signal that the detection host is sent, and by the warning
Signal is transmitted to the shelf depreciation alarm module；
The shelf depreciation alarm module is for playing the alarm signal.
Wireless communication module slave and wireless communication module host are wirelessly connected.
The partial discharge collection module includes the voltage sensor and analog-digital converter being electrically connected to each other；
The voltage sensor is used to acquire the analog voltage signal of the switchgear part；
The analog-digital converter is used to be converted to the analog voltage signal digital voltage signal, and the number is electric
Signal is pressed to be sent to the detection host by the wireless communication module slave.
The discharging detection device further includes magnet, and the magnet in a manner of magnetic for inhaling the discharge examination module
Invest the switch cabinet body.
The detection host includes the wireless communication module host, shelf depreciation judgment module and man-machine friendship being electrically connected two-by-two
Mutual module；
The wireless communication module host is used to receive the local discharge signal that the discharging detection device is sent, and by institute
It states local discharge signal and is transmitted to the shelf depreciation judgment module；
Whether the shelf depreciation judgment module is abnormal for judging the local discharge signal, and judging result is sent
To the human-computer interaction module；
The human-computer interaction module is for showing the judging result, and according to the control instruction of user's input to abnormal
The corresponding discharging detection device of the local discharge signal sends alarm signal.
The shelf depreciation judgment module includes voltage comparator；The voltage comparator is for believing the shelf depreciation
Number voltage value be compared with predetermined threshold value, to judge whether the local discharge signal abnormal.
Each discharging detection device is correspondingly arranged on electronic mark information, and the detection host is according to the electronics mark
Know data separation and identifies the discharging detection device.
Human-computer interaction module includes processor and the display input device that is electrically connected with processor, the processor difference
It is electrically connected with wireless communication module host and shelf depreciation judgment module.The display input device includes electric with processor respectively
The display screen and key of connection；Alternatively, the display input device can be touching display screen.Staff can be by manual
The mode input control of input instructs.
Discharging detection device is preferably wireless sensing device.
The electronic mark information is for the number information for the detection host identification, each discharge examination dress
It sets and is correspondingly arranged on a number.
Other side according to an embodiment of the present invention provides a kind of real using the partial discharge of switchgear detection system
Existing method for detection of partial discharge of switch cabinet, comprising:
Step (1): multiple discharging detection devices respectively switchgear different location carry out Partial Discharge Detection with
Local discharge signal is generated, the local discharge signal is sent to the detection host with communication；
Step (2): whether the local discharge signal that each discharging detection device of detection Host Detection is sent
It is abnormal, and alarm signal is sent to the abnormal corresponding discharging detection device of the local discharge signal；
Step (3): the discharging detection device plays the alarm signal.
The step (1) includes:
Step (101): partial discharge collection module acquire local discharge signal, and pass it to wireless communication module from
Machine；
Step (102): the local discharge signal is sent to wirelessly by wireless communication module slave with communication
Communication module host.
The step (101) includes: that the partial discharge collection module puts the collected part of the voltage sensor
Electric signal is transferred to wireless communication module slave after the analog-digital converter sampling processing, the analog-digital converter sampling
Digit is 12, sample frequency 50kHz.
The step (2) includes:
The voltage value of the local discharge signal is compared with predetermined threshold value；
If the voltage value of local discharge signal is greater than predetermined threshold value, judge that the local discharge signal is abnormal；
In response to the control instruction that user is inputted by human-computer interaction module, the local discharge signal of Xiang Yichang is corresponding
The discharging detection device send alarm signal.
The step (3) includes: that the shelf depreciation alarm module of the discharging detection device issues acousto-optic warning signal.
As shown in Figure 1, the application another embodiment provides for a kind of partial discharge of switchgear detection systems, comprising:
Partial Discharge Detection host 20 and several wireless sensing devices 100 being wirelessly connected respectively with Partial Discharge Detection host 20.
The quantity for several wireless sensing devices 100 being wirelessly connected with same Partial Discharge Detection host 20 is less than or equal to
255。
Each wireless sensing device 100 is correspondingly arranged on a number, and the number is a kind of for supplying the detection
The electronic mark information of host identification.
Partial Discharge Detection host 20 includes wireless communication module host 21, shelf depreciation judgment module 22 and human-computer interaction
Module 23；Wireless communication module host 21, shelf depreciation judgment module 22 and human-computer interaction module 23 are electrically connected two-by-two, three's group
It is fitted together, constitutes an entirety.
Each wireless sensing device 100 includes partial discharge collection module 101, shelf depreciation alarm module 102 and wireless
Communication module slave 103.Partial discharge collection module 101 and shelf depreciation alarm module 102 respectively with wireless communication module from
Machine 103 is electrically connected, and three fits together, and constitutes an entirety.
Wireless communication module slave 103 and wireless communication module host 21 are wirelessly connected.
Several layings of wireless sensing device 100 are installed on tested switch cabinet body surface different location, are adsorbed using magnet
Mode is fixed on cabinet body.Magnet suction type is a little convenient for laying with easy to use, is convenient for wireless sensing device 100
It lays on the cabinet and convenient for removing.The surface that separate unit switchgear should can directly contact in four surfaces all around is each
At least three wireless sensing device 100 is installed.
Partial discharge collection module 101 is used to carry out Partial Discharge Detection to switchgear to generate local discharge signal, and
Send local discharge signal to wireless communication module slave 103.
Partial discharge collection module 101 includes analog-digital converter and the voltage sensor for acquiring local discharge signal,
Analog-digital converter and voltage sensor electrical connection.
The voltage sensor acquires the analog voltage signal of the switchgear part, and the analog voltage signal is through the mould
Number converter is transferred to wireless communication module slave 103 after being converted to digital voltage signal (i.e. local discharge signal), and modulus turns
The digit of parallel operation sampling is 12, sample frequency 50kHz.
Wireless communication module slave 103 is for the local discharge signal from partial discharge collection module 101 to be sent to
Wireless communication module host 21, and for receiving the alarm signal that wireless communication module host 21 is sent, and by alarm signal
It is sent to shelf depreciation alarm module 102.
Shelf depreciation alarm module 102 is being received for receiving the alarm signal from wireless communication module slave 103
To shine, make warning in the form of sounding after alarm signal.
Partial Discharge Detection host 20, which is placed in tested switchgear, nearby can receive the nothing of the transmitting of wireless sensing device 100
Any position of line signal.
Wireless communication module host 21 from the local discharge signal that wireless communication module slave 103 is sent for that will forward
It is sent to shelf depreciation judgment module 22, receive the alarm signal that human-computer interaction module 23 is sent and human-computer interaction module will be come from
23 alarm signal is sent to wireless communication module slave 103, and wireless communication module slave 103 will letter after receiving alarm signal
Number it is transmitted to shelf depreciation alarm module 102.
Shelf depreciation judgment module 22 includes voltage comparator；The voltage comparator is used for the local discharge signal
Voltage value be compared with predetermined threshold value, to judge whether the local discharge signal abnormal.Shelf depreciation judgment module
Whether 22 is abnormal for judging the local discharge signal, and judging result is sent to the human-computer interaction module.It puts part
Electric judgment module 22 receives the local discharge signal from wireless communication module host 21, and is put by voltage comparator to part
The voltage value of electric signal is compared with predetermined threshold value carries out voltage, if the voltage value of local discharge signal is greater than predetermined threshold value
Generate Excess Partial Discharge alarm signal, and by the Excess Partial Discharge alarm signal with detect the wireless of local discharge signal
Sensing device number is sent to human-computer interaction module 23 together.
Human-computer interaction module 23 is made of processor, display screen and key, and display screen and key are electrically connected with processor respectively
It connects, the processor is electrically connected with wireless communication module host 21 and shelf depreciation judgment module 22 respectively；Display screen can be used for
Show partial discharge intensity's data, Excess Partial Discharge alarm signal data；When receiving Excess Partial Discharge alarm signal,
It is inputted and is instructed to human-computer interaction module 23 by manual manipulation key from staff, generated alarm signal, pass through human-computer interaction
The alarm signal is sent to wireless communication module host 21 by module 23.Human-computer interaction module 23 comes from shelf depreciation for receiving
Strength values, Excess Partial Discharge alarm signal and the wireless sensing device of the shelf depreciation of judgment module 22 are numbered, and will be received
The information data arrived is shown on a display screen.Human-computer interaction module 23 is by alarm signal module host 21 by wireless communication
It is sent to the wireless sensing device 100 for detecting Excess Partial Discharge, and the shelf depreciation for causing the wireless sensing device 100 is alert
Show that module 102 issues acousto-optic warning signal.
Partial Discharge Detection host 20 wirelessly connects multiple wireless sensing devices 100, solves hand-held list
Machine Partial discharge detector needs artificial repeatedly measurement or existing large-scale local discharge signal detection system to need a large amount of wiring
The problem of work；When Partial Discharge Detection host 20 has detected local discharge signal generation, shelf depreciation alarm module 102
Alarm signal can be transmitted to wireless sensing device 100, wireless sensing device 100 is warned in the form of acousto-optic etc., visual cues detection
To the position of local discharge signal, solving existing large-scale local discharge signal detection system can not intuitively show that part is put
The problem of position that electricity occurs.
Refering to what is shown in Fig. 2, one embodiment of the application provides a kind of above-mentioned partial discharge of switchgear detection system of utilization
The method for detection of partial discharge of switch cabinet that system is realized, comprising:
Step S1: the partial discharge collection module 101 of multiple wireless sensing devices 100 is respectively in the different location of switchgear
Partial Discharge Detection is carried out to generate local discharge signal, and local discharge signal is passed into wireless communication module slave 103；
The partial discharge collection module 101 is by the collected local discharge signal of voltage sensor by having inside it
Analog-digital converter sampling processing after be transferred to wireless communication module slave 103, the digit of analog-digital converter sampling is 12, is adopted
Sample frequency is 50kHz；
Step S2: the local discharge signal is sent to wireless communication module host 21 by wireless communication module slave 103；
Step S3: the local discharge signal is sent to shelf depreciation judgment module 22 by wireless communication module host 21；
Step S4: shelf depreciation judgment module 22 is compared the voltage value of local discharge signal with predetermined threshold value,
To judge whether local discharge signal is abnormal；If the voltage value of local discharge signal is greater than predetermined threshold value, it is determined as exception,
It then generates Excess Partial Discharge alarm signal and sends out it together with local discharge signal and wireless sensing device number
It send to human-computer interaction module 23；If the voltage value of local discharge signal be not more than predetermined threshold value, be determined as it is without exception, then will
Local discharge signal data and wireless sensing device number are sent to human-computer interaction module 23 together；Utilize voltage value ratio
Compared with mode carry out electric discharge judgement, judging result is accurately quick；
Step S5: human-computer interaction module 23 shows the data received；If receiving Excess Partial Discharge alarm signal
Number, then pass through the control instruction that inputs of human-computer interaction module 23 in response to user, generates alarm signal and by the alarm signal
Module host is sent to corresponding wireless sensing device and (collects the wireless sensing of abnormal local discharge signal by wireless communication
Device)；The alarm signal is from staff by manual manipulation (such as by touch key by way of) to human-computer interaction
The signal of the instruction of 23 input control of module and generation；
Step S6: the shelf depreciation alarm module of the wireless sensing device issues acousto-optic warning signal.
Partial discharge of switchgear detection system provided in an embodiment of the present invention efficiently can carry out shelf depreciation to switchgear
Detection, and can control when detecting local discharge signal and detect that the wireless sensing device of local discharge signal carries out acousto-optic
It warns, the position that shelf depreciation occurs intuitively is shown on switchgear；It solves in existing partial discharge of switchgear detection
It can not intuitively show the position that shelf depreciation occurs, the not high problem of detection efficiency.
It should be understood that
Term " module " is not intended to be limited to specific physical form.Depending on concrete application, module be can be implemented as firmly
Part, firmware, software and/or combination thereof.In addition, different modules can share common component or even be realized by same components.
May exist between disparate modules or there is no clear boundaries.
Algorithm and display be not inherently related to any certain computer, virtual bench or other equipment provided herein.
Various fexible units can also be used together with teachings based herein.As described above, it constructs required by this kind of device
Structure be obvious.In addition, the present invention is also not directed to any particular programming language.It should be understood that can use various
Programming language realizes summary of the invention described herein, and the description done above to language-specific is to disclose this hair
Bright preferred forms.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects, In
Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. required to protect
Shield the present invention claims features more more than feature expressly recited in each claim.More precisely, as following
Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim itself
All as a separate embodiment of the present invention.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment
Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any
Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed
All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose
It replaces.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed is appointed
Meaning one of can in any combination mode come using.
Various component embodiments of the invention can be implemented in hardware, or to run on one or more processors
Software module realize, or be implemented in a combination thereof.It will be understood by those of skill in the art that can be used in practice
One in the creating device of microprocessor or digital signal processor (DSP) to realize virtual machine according to an embodiment of the present invention
The some or all functions of a little or whole components.The present invention is also implemented as executing method as described herein
Some or all device or device programs (for example, computer program and computer program product).Such realization
Program of the invention can store on a computer-readable medium, or may be in the form of one or more signals.This
The signal of sample can be downloaded from an internet website to obtain, and is perhaps provided on the carrier signal or mentions in any other forms
For.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Element or step listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real
It is existing.In the unit claims listing several devices, several in these devices can be through the same hardware branch
To embody.The use of word first, second, and third does not indicate any sequence.These words can be explained and be run after fame
Claim.
It should be understood that although each step in the flow chart of attached drawing is successively shown according to the instruction of arrow,
These steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly stating otherwise herein, these steps
Execution there is no stringent sequences to limit, can execute in the other order.Moreover, at least one in the flow chart of attached drawing
Part steps may include that perhaps these sub-steps of multiple stages or stage are not necessarily in synchronization to multiple sub-steps
Completion is executed, but can be executed at different times, execution sequence, which is also not necessarily, successively to be carried out, but can be with other
At least part of the sub-step or stage of step or other steps executes in turn or alternately.
Embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of partial discharge of switchgear detection system characterized by comprising
The multiple discharging detection devices for detecting host and being wirelessly connected with the detection host；
Multiple discharging detection devices can be laid in switch cabinet body different location, be respectively used to switchgear carry out office
Portion's discharge examination is sent to the inspection to generate local discharge signal, and by the local discharge signal with communication
Survey host；
Whether the local discharge signal that the detection host is used to detect each discharging detection device transmission is abnormal, and to
The corresponding discharging detection device of the abnormal local discharge signal sends alarm signal；
The discharging detection device is also used to play the alarm signal.
2. system according to claim 1, which is characterized in that the discharging detection device includes wireless communication module slave
And with the wireless communication module from the partial discharge collection module and shelf depreciation alarm module of mechatronics；
The partial discharge collection module is used to carry out Partial Discharge Detection to the switchgear to generate local discharge signal, and
The local discharge signal is sent to the detection host by the wireless communication module slave；
The wireless communication module slave is also used to receive the alarm signal that the detection host is sent, and by the alarm signal
It is transmitted to the shelf depreciation alarm module；
The shelf depreciation alarm module is for playing the alarm signal.
3. system according to claim 2, which is characterized in that the partial discharge collection module includes being electrically connected to each other
Voltage sensor and analog-digital converter；
The voltage sensor is used to acquire the analog voltage signal of the switchgear part；
The analog-digital converter is used to the analog voltage signal being converted to digital voltage signal, and the digital voltage is believed
Number the detection host is sent to by the wireless communication module slave.
4. system according to claim 2, which is characterized in that the discharging detection device further includes magnet, the magnet
For the discharge examination module to be adsorbed in the switch cabinet body in a manner of magnetic.
5. system according to claim 1, which is characterized in that the detection host includes the wireless communication being electrically connected two-by-two
Module host, shelf depreciation judgment module and human-computer interaction module；
The wireless communication module host is used to receive the local discharge signal that the discharging detection device is sent, and by the office
Portion's discharge signal is transmitted to the shelf depreciation judgment module；
Whether the shelf depreciation judgment module is abnormal for judging the local discharge signal, and judging result is sent to institute
State human-computer interaction module；
The human-computer interaction module is used to show the judging result, and according to the control instruction of user's input to described in exception
The corresponding discharging detection device of local discharge signal sends alarm signal.
6. system according to claim 5, which is characterized in that the shelf depreciation judgment module includes voltage comparator；
The voltage comparator is for the voltage value of the local discharge signal to be compared with predetermined threshold value, to judge the office
Whether portion's discharge signal is abnormal.
7. system according to claim 1, which is characterized in that each discharging detection device is correspondingly arranged on electronics mark
Know information, the detection host identifies the discharging detection device according to the electronic mark data separation.
8. a kind of partial discharge of switchgear realized using any one of the claim 1-7 partial discharge of switchgear detection system
Detection method characterized by comprising
Multiple discharging detection devices carry out Partial Discharge Detection in the different location of switchgear respectively to generate shelf depreciation
The local discharge signal is sent to the detection host with communication by signal；
Whether the local discharge signal that each discharging detection device of the detection Host Detection is sent is abnormal, and to exception
The corresponding discharging detection device of the local discharge signal send alarm signal；
The discharging detection device plays the alarm signal.
9. according to the method described in claim 8, it is characterized in that, each discharging detection device hair of the detection Host Detection
Whether the local discharge signal sent is abnormal, comprising:
The voltage value of the local discharge signal is compared with predetermined threshold value；
If the voltage value of local discharge signal is greater than predetermined threshold value, judge that the local discharge signal is abnormal.
10. according to the method described in claim 8, it is characterized in that, described corresponding to the abnormal local discharge signal
The discharging detection device sends alarm signal, comprising:
In response to the control instruction that user is inputted by human-computer interaction module, the corresponding institute of the local discharge signal of Xiang Yichang
It states discharging detection device and sends alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910625641.9A CN110501617A (en) | 2019-07-11 | 2019-07-11 | A kind of partial discharge of switchgear detection system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910625641.9A CN110501617A (en) | 2019-07-11 | 2019-07-11 | A kind of partial discharge of switchgear detection system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110501617A true CN110501617A (en) | 2019-11-26 |
Family
ID=68585297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910625641.9A Pending CN110501617A (en) | 2019-07-11 | 2019-07-11 | A kind of partial discharge of switchgear detection system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110501617A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113880A (en) * | 2021-11-05 | 2022-03-01 | 国网青海省电力公司检修公司 | Detection method for positioning local discharge fault of high-voltage switch cabinet |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508128A (en) * | 2011-10-24 | 2012-06-20 | 天津大学 | Switch cabinet local discharge transient-to-ground voltage detection system based on wireless network |
| CN204405787U (en) * | 2014-12-20 | 2015-06-17 | 国家电网公司 | A kind of switch cabinet partial discharge warning device |
| CN204575796U (en) * | 2015-04-09 | 2015-08-19 | 国家电网公司 | For the TEV sensor of high-tension switch cabinet Partial Discharge Detection |
| CN205067631U (en) * | 2015-10-29 | 2016-03-02 | 杭州电力设备制造有限公司 | Wireless detection device of female row of cubical switchboard |
| KR101692638B1 (en) * | 2015-09-10 | 2017-01-03 | 주식회사 건원 | Cable connector for detecting deterioration of cross link self-contraction type |
| CN109307830A (en) * | 2018-12-28 | 2019-02-05 | 江苏峰工电气科技有限公司 | Superfrequency partial discharge of switchgear on-line monitoring system and its working method |
-
2019
- 2019-07-11 CN CN201910625641.9A patent/CN110501617A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508128A (en) * | 2011-10-24 | 2012-06-20 | 天津大学 | Switch cabinet local discharge transient-to-ground voltage detection system based on wireless network |
| CN204405787U (en) * | 2014-12-20 | 2015-06-17 | 国家电网公司 | A kind of switch cabinet partial discharge warning device |
| CN204575796U (en) * | 2015-04-09 | 2015-08-19 | 国家电网公司 | For the TEV sensor of high-tension switch cabinet Partial Discharge Detection |
| KR101692638B1 (en) * | 2015-09-10 | 2017-01-03 | 주식회사 건원 | Cable connector for detecting deterioration of cross link self-contraction type |
| CN205067631U (en) * | 2015-10-29 | 2016-03-02 | 杭州电力设备制造有限公司 | Wireless detection device of female row of cubical switchboard |
| CN109307830A (en) * | 2018-12-28 | 2019-02-05 | 江苏峰工电气科技有限公司 | Superfrequency partial discharge of switchgear on-line monitoring system and its working method |
Non-Patent Citations (2)
| Title |
|---|
| 周求宽 等: "《电力设备带电检测技术及应用》", 31 January 2017, 暨南大学出版社 * |
| 钟秉翔等: "《单片机应用技术与实践》", 30 September 2016 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113880A (en) * | 2021-11-05 | 2022-03-01 | 国网青海省电力公司检修公司 | Detection method for positioning local discharge fault of high-voltage switch cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103675458B (en) | A kind of insulation resistance and featured resistance auto testing instrument | |
| US8768635B2 (en) | Systems and methods for determining electrical faults | |
| CN101876674A (en) | Characteristic impedance testing system and method | |
| CN105748072B (en) | A kind of distributed medical electrical impedance imaging measuring system of high-precision multi-frequency and method | |
| CN103970635A (en) | Server hardware fault self-diagnosis method | |
| CN108333448A (en) | Transformer routine test comprehensive test device | |
| CN102018520A (en) | Device and method for detecting response time of human body | |
| CN111175623A (en) | Endoscope type underground cable fault detection system and fault analysis method | |
| CN110501617A (en) | A kind of partial discharge of switchgear detection system and method | |
| CN202393856U (en) | PCB (printed circuit board) online tester for blood glucose detector | |
| CN204192578U (en) | Human life cell health detection signal acquisition process stores one earphone | |
| CN104459516A (en) | Testing method used for SMT first article detection | |
| CN1269678C (en) | Locomotive signal failure diagnostic instrument | |
| CN103528706A (en) | Automatic test system for heat treatment furnace temperature uniformity | |
| CN203217001U (en) | Intelligent detecting device for circuit board | |
| CN103592597B (en) | The mutual detecting method of fault of a kind of voltage linear buffer circuit and voltage comparator circuit | |
| CN112327263A (en) | Radar fault detection system, method, platform and storage medium | |
| CN208269933U (en) | A kind of optical fibre gyro sensing ring test macro | |
| CN211977969U (en) | Testing device | |
| CN205643466U (en) | Bimodulus instrument of while monitoring current, temperature and voltage, electric current | |
| RU2413271C1 (en) | Device to control main parametres and operability of circuit board of electronic control system , current sensor and switch | |
| CN203012163U (en) | Analog seismic signal generator | |
| CN210862747U (en) | Detection device for medical equipment fault detection | |
| CN110285847A (en) | A kind of measurement auxiliary device and metering method of test macro | |
| CN109188118A (en) | A kind of electronic component test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191126 |
|
| RJ01 | Rejection of invention patent application after publication |