CN206740915U - Partial discharge of switchgear monitoring device - Google Patents
Partial discharge of switchgear monitoring device Download PDFInfo
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- CN206740915U CN206740915U CN201720623791.2U CN201720623791U CN206740915U CN 206740915 U CN206740915 U CN 206740915U CN 201720623791 U CN201720623791 U CN 201720623791U CN 206740915 U CN206740915 U CN 206740915U
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Abstract
It the utility model is related to a kind of partial discharge of switchgear monitoring device,Sound transducer including obtaining switch cubicle voice data to be monitored,Obtain the ultraviolet light transducer of the ultraviolet light data of switch cubicle to be monitored,Obtain the ozone sensor of the ozone data of switch cubicle to be monitored,Obtain the leakage current sensor and control module of the leakage data of switch cubicle to be monitored,Control module is stored with voice data,Ultraviolet light data,The preset value of ozone data and leakage data,For receiving voice data,Ultraviolet light data,Ozone data and leakage data,Work as voice data,When at least one in ultraviolet light data and ozone data is more than corresponding preset value,Compare the preset value of leakage data and leakage data and export comparative result,To realize the on-line monitoring for treating monitoring switch cabinet shelf depreciation,So detected without manually inspection or man-hour manually hand-held detector,Artificial judgment can be avoided to fail to judge,Misjudgment phenomenon,And operating efficiency can be effectively improved.
Description
Technical field
Switch cubicle monitoring technical field is the utility model is related to, monitors and fills more particularly to a kind of partial discharge of switchgear
Put.
Background technology
Switch cubicle plays control circuit, the double action of protection system safety as the visual plant in distribution, however,
The cable terminal of inside switch cabinet, arrester, insulation column etc. easily occur because of manufacture craft, contamination, the factor such as make moist
Shelf depreciation, have a strong impact on the normal operation of distribution.
In order to prevent cable terminal in switch cubicle, arrester, insulation column etc. from triggering large area because of shelf depreciation
Power outage, improve the safe for operation and reliability of distribution, power department common practice is to strengthen operation maintenance personnel
Tour dynamics, by observing, whether switch cubicle external circumstances are normal, listen the sound of shelf depreciation, hear the modes such as ozone smell to sentence
Whether disconnected partial discharge of switchgear is abnormal, or is put hand-held Partial discharge detector to switch cubicle by operation maintenance personnel
Near cabinet door, in-site measurement is carried out to the shelf depreciation of switch cubicle, understands the shelf depreciation situation of inside switch cabinet.
But the daily tour of operation maintenance personnel is relied on, easily cause and fail to judge, judge by accident, put especially for intermittence
Electricity, operation maintenance personnel are not easy to find during tour, easily the running status of switch cubicle are judged by accident, and it is hidden to bury safety
Suffer from, and operation maintenance personnel carries out daily tour work and wastes substantial amounts of man power and material, and this mode is uneconomical, and imitates
Rate is extremely low；By operation maintenance personnel hold Partial discharge detector to switch cubicle carry out on-the-spot test, this detection method by
In distant with the annex such as the cable terminal in switch cubicle, arrester, insulation column, cause this detection mode inadequate
Accurately, simultaneously because Partial discharge detector is detected for off-line type, it is necessary to pass through operation maintenance personnel to live ability carry out office
Portion's discharge test, it can not so find to produce the switch cubicle of shelf depreciation in time, efficiency is low.
Utility model content
Based on this, it is necessary to easily occur failing to judge for being necessary to be directed to artificial judgment in existing Partial Discharge Detection, miss
Sentence, the problem of efficiency is low, there is provided it is a kind of can avoid failing to judge, misjudgment phenomenon and the partial discharge of switchgear prison for improving operating efficiency
Survey device.
A kind of partial discharge of switchgear monitoring device, including the sound transducer of acquisition switch cubicle voice data to be monitored,
The ultraviolet light transducer for obtaining the ultraviolet light data of switch cubicle to be monitored, the ozone sensing for obtaining switch cubicle ozone data to be monitored
Device, the leakage current sensor and control module for obtaining switch cabinet leakage current checking data to be monitored；
Control module is stored with the preset value of voice data, ultraviolet light data, ozone data and leakage data, for connecing
Voice data, ultraviolet light data, ozone data and leakage data are received, when in voice data, ultraviolet light data and ozone data
When at least one is more than corresponding preset value, compare the preset value of leakage data and leakage data, and export and compare
As a result；
Sound transducer, ultraviolet light transducer, ozone sensor and leakage current sensor are connected with control module respectively.
Above-mentioned partial discharge of switchgear monitoring device, sound transducer obtains the voice data of switch cubicle to be monitored, ultraviolet
Optical sensor obtains the ultraviolet light data of switch cubicle to be monitored, and ozone sensor obtains the ozone data of switch cubicle to be monitored, leakage
Current sensor obtains the leakage data of switch cubicle to be monitored, and control module is stored with voice data, ultraviolet light data, ozone
The preset value of data and leakage data, for receiving voice data, ultraviolet light data, ozone data and leakage data, when
When at least one in voice data, ultraviolet light data and ozone data is more than corresponding preset value, compare leakage data
With the preset value of leakage data and exporting comparative result, to realize the on-line monitoring for treating monitoring switch cabinet shelf depreciation, this
The partial discharge of switchgear monitoring device of sample is detected without manually inspection or man-hour manually hand-held detector, can avoid manually sentencing
It is disconnected occur failing to judge, misjudgment phenomenon, and operating efficiency can be effectively improved.
Brief description of the drawings
Fig. 1 is the structural representation of partial discharge of switchgear monitoring device in one embodiment；
Fig. 2 is the structural representation of partial discharge of switchgear monitoring device in one embodiment；
Fig. 3 is the structural representation of partial discharge of switchgear monitoring device in one embodiment.
Embodiment
In one embodiment, as shown in figure 1, a kind of partial discharge of switchgear monitoring device, including to be monitored open is obtained
Close the sound transducer 100 of cabinet voice data, the ultraviolet light transducer 200 of the acquisition ultraviolet light data of switch cubicle to be monitored, acquisition
The ozone sensor 300 of switch cubicle ozone data to be monitored, the leakage current sensor for obtaining switch cabinet leakage current checking data to be monitored
400 and control module 500；
Control module 500 is stored with the preset value of voice data, ultraviolet light data, ozone data and leakage data, uses
In receiving voice data, ultraviolet light data, ozone data and leakage data, when voice data, ultraviolet light data and ozone number
When at least one is more than corresponding preset value in, compare the preset value of leakage data and leakage data, and export
Comparative result；
Sound transducer 100, ultraviolet light transducer 200, ozone sensor 300 and leakage current sensor 400 respectively with
Control module 500 connects.
Sound transducer 100 is used to monitor inside switch cabinet to be monitored due to shelf depreciation and caused discharging sound occurs,
Its built-in one condenser type Electret condenser microphone to sound sensitive, sound wave vibrate the electret film in microphone, cause electric capacity
Change, and produce therewith correspond to change small voltage.Ultraviolet light transducer 200 be used for monitor inside switch cabinet to be monitored by
In shelf depreciation and caused ultraviolet light occurs, it can utilize light-sensitive element by photovoltaic mode and guided optical mode by ultraviolet
Signal is converted to measurable electric signal, and photovoltaic mode refers to not need series-connected cell, there is electric current in series resistance, and sensor
Equivalent to one baby battery, output voltage；Guided optical mode refers to need one battery work of series connection, equivalent to one electricity of sensor
Resistance, resistance value change with the Strength Changes of light.Ozone sensor 300 is used for the ozone number for monitoring inside switch cabinet to be monitored
According to；Leakage current sensor 400 is used for the leakage data for monitoring inside switch cabinet to be monitored, according to transformer electromagnetic isolation, magnetic
Operation principle is modulated to believe the standard analogs such as tested alternating current, direct current conversion DC current linearly, DC voltage
Number or RS485 data signals.
Control module 500 is stored with the preset value of voice data, ultraviolet light data, ozone data and leakage data, uses
In receiving voice data, ultraviolet light data, ozone data and leakage data, when voice data, ultraviolet light data and ozone number
When at least one is more than corresponding preset value in, compare the preset value of leakage data and leakage data, and export
Comparative result.Specifically, as shown in Fig. 2 control module 500 includes first comparator 510, the second comparator the 520, the 3rd compares
Device 530, the 4th comparator 540 and control circuit 550；First comparator 510 is used to compare voice data and voice data
Preset value, the second comparator 520 are used for the preset value of more ultraviolet light data and ultraviolet light data, and the 3rd comparator 530 is used for
Compare the preset value of ozone data and ozone data, when in first comparator 510, the second comparator 520 and the 3rd comparator 530
During at least one output predetermined level signal, control circuit 550 controls the 4th comparator 540 to work, the 4th comparator 540
For comparing the preset value of leakage data and leakage data and exporting comparative result；First comparator 510 and sound sensor
Device 100 is connected, and the second comparator 520 is connected with ultraviolet light transducer 200, and the 3rd comparator 530 connects with ozone sensor 300
Connect, control circuit 550 respectively with first comparator 510, the second comparator 520, the 3rd comparator 530 and the 4th comparator
540 connections, the 4th comparator 540 are connected with leakage current sensor 400.Further, such as：Voice data is more than voice data
Preset value when, first comparator 510 export high level signal；When ultraviolet light data is more than the preset value of ultraviolet light data, the
Two comparators 520 export high level signal；When ozone data are more than the preset value of ozone data, the 3rd comparator 530 exports height
Level signal；Control circuit 550 receives the output signal of first comparator 510, the second comparator 520 and the 3rd comparator 530,
When at least one output high level signal in first comparator 510, the second comparator 520 and the 3rd comparator 530, control
Circuit 550 processed opens the power supply of the 4th comparator 540 so that the 4th comparator 540 works, when leakage data is more than leakage
During the preset value of current data, comparative result is exported, thus can determine that there occurs a shelf depreciation.
Above-mentioned partial discharge of switchgear monitoring device, sound transducer 100 obtain the voice data of switch cubicle to be monitored, purple
Outer optical sensor 200 obtains the ultraviolet light data of switch cubicle to be monitored, and ozone sensor 300 obtains the ozone of switch cubicle to be monitored
Data, leakage current sensor 400 obtain the leakage data of switch cubicle to be monitored, and control module 500 is stored with voice data, purple
The preset value of outer light data, ozone data and leakage data, for receive voice data, ultraviolet light data, ozone data and
Leakage data, when at least one in voice data, ultraviolet light data and ozone data is more than corresponding preset value, than
Compared with the preset value of leakage data and leakage data and comparative result is exported, monitoring switch cabinet shelf depreciation is treated to realize
On-line monitoring, such partial discharge of switchgear monitoring device are detected without manually inspection or man-hour manually hand-held detector, can
Failed to judge with avoiding artificial judgment from occurring, misjudgment phenomenon, and operating efficiency can be effectively improved.
In one embodiment, partial discharge of switchgear monitoring device also includes Signal-regulated kinase, sound transducer, purple
Outer optical sensor, ozone sensor and leakage current sensor are connected by Signal-regulated kinase with control module respectively.Signal
Conditioning module is used for the analog quantity number of Transform Acoustic sensor, ultraviolet light transducer, ozone sensor and leakage current sensor
According to, it is easy to control module to be handled, such as, Signal-regulated kinase can be analog-digital converter, can be with by analog-digital converter
Convert analog signals into data signal.
In one embodiment, partial discharge of switchgear monitoring device also includes communication module, control module and the mould that communicates
Block connects, and communication module is used to transmit the voice data of switch cubicle to be monitored, ultraviolet light data, ozone data and electric leakage fluxion
According to.In another embodiment, partial discharge of switchgear monitoring device also includes storage voice data, ultraviolet light data, ozone
The server of data and leakage data, server are connected with communication module, communication module by voice data, ultraviolet light data,
Ozone data and leakage data are transmitted to server storage.
In one embodiment, partial discharge of switchgear monitoring device also includes display module, display module and control mould
Block is connected, and the voice data of switch cubicle to be monitored, ultraviolet light data, ozone data and leakage data and comparative result are shown
Display module is shown in, after facilitating operation maintenance personnel to reach the spot, understands the state of switch cubicle to be monitored.In another implementation
In example, partial discharge of switchgear monitoring device also includes power module, and power module is connected with control module, passes through power module
Powered for the normal work of control module.Further, power module includes mains-supplied mode and energy-storage battery power supply mode
Power module, wherein mains-supplied mode refers to alternating current is converted into direct current by rectification module by civil power, energy storage electricity
Pond power supply mode refers to take energy by solar energy and CT (Current Transformer, current transformer), and can pass through control
Molding block controls power supply mode, is powered by double loop power supply and ensure that the reliable of detection device for partial discharge of switch cabinet
Property.
In one embodiment, as shown in figure 3, partial discharge of switchgear monitoring device includes：Control module, power supply mould
Block, display module, communication module, server, portable handheld terminal, data collection station, leakage current sensor, ozone pass
Sensor, ultraviolet light transducer and electric discharge sonic transducer.Wherein, power module includes double loop power supply, and is controlled and supplied by control module
Electrically, energy is taken including solar energy and CT all the way, a route civil power is converted to direct current by rectification module.The switch cubicle is local
The workflow of On-line Discharge monitoring device is：
(1) it is preliminary to judge：Switch to be monitored is gathered by ozone sensor, ultraviolet light transducer and electric discharge sonic transducer
The data of cabinet, then the data collected are handled by data collection station, and the data transfer after processing is extremely controlled
Molding block, control module compared with given threshold, tentatively judge the electricity of inside switch cabinet to be monitored to the data collected
The annexes such as cable terminals, arrester, insulation column whether there is shelf depreciation sign；
(2) judge again：The cable terminal of inside switch cabinet to be monitored is gathered by leakage current sensor, taken shelter from the thunder
The leakage current of the attachment surfaces such as device, insulation column, the Leakage Current data collected are handled through data collection station,
And the data transfer after processing to control module, control module are compared with given threshold the Leakage Current value collected
Compared with judging that the annexes such as the cable terminal, arrester, insulation column of inside switch cabinet to be monitored whether there is shelf depreciation again
Phenomenon；
(3) comprehensive descision：Repeat (1), (2) step, the cable terminal of comprehensive descision inside switch cabinet to be monitored,
The annexes such as arrester, insulation column whether there is partial discharge phenomenon, and by shelf depreciation number compared with given threshold, judge
Switch cubicle to be monitored whether Excess Partial Discharge；
(4) data transfer：Control module is by ozone sensor, ultraviolet light transducer, discharge sonic transducer and leakage current
The data transfer that sensor collects is to server storage；
(5) information is sent：Control module will produce the position of the switch cubicle to be monitored of Excess Partial Discharge, time of origin etc.
Information is sent to handheld terminal, goes to handle before reminding electric power operation maintenance personnel；
(6) presentation of information：The switch cubicle to be monitored of Excess Partial Discharge is shown on display module, to facilitate operation to tie up
After shield personnel reach the spot, the switch cubicle of Excess Partial Discharge is immediately known that.
Above-mentioned partial discharge of switchgear monitoring device, using ozone sensor, ultraviolet light transducer, electric discharge sonic transducer and
Leakage current sensor gathers the data of switch cubicle to be monitored, after by data collection station, the data collected are changed
Transmit to control module and handled, and by the data transfer collected to server storage, operation power attendant can be with
The shelf depreciation situation of the annexes such as the cable terminal, arrester and insulation column of inside switch cabinet to be monitored is understood in real time；And
And by tentatively judging, judgement, comprehensive descision etc. judge whether partial discharge of switchgear to be monitored is exceeded, and exceeded is opened again
Close the information such as position, the time of origin of cabinet to send in a manner of short message to the handheld terminal of operation power attendant, inform fortune
Go to safeguard before row attendant, cable terminal, arrester and insulation column inside monitoring switch cabinet etc. are treated so as to realize
The on-line monitoring of annex shelf depreciation.
The partial discharge of switchgear monitoring device has the following advantages that：
1st, fast positioning；The annex Excess Partial Discharge such as cable terminal, arrester and insulation column can be found in time
Switch cubicle.
2nd, precise positioning；By multiple decision comprehensive descision switch cubicle annex whether Excess Partial Discharge, with it is traditional from
Line detector is compared, and improves positioning precision.
3rd, monitoring in real time；Operation power attendant can understand in real time inside switch cabinet to be monitored cable terminal,
The shelf depreciation parameter of the annex such as arrester and insulation column.
4th, efficiently；The information such as the position of the switch cubicle of Excess Partial Discharge, time of origin can be led in a manner of short message
Know operation maintenance personnel, go to handle before informing operation maintenance personnel, improve the operating efficiency of operation maintenance personnel, so as to prevent
The further sprawling of hidden danger, improve the stability of switch cubicle operation.
5th, high reliability；The partial discharge of switchgear monitoring device is jointly its power supply by double loop power supply, improves device
Reliability.
6th, cost is cheap；This opens the manpower and materials that cabinet partial discharge monitoring device greatly reduces power system inspection work
Cost.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (8)
- A kind of 1. partial discharge of switchgear monitoring device, it is characterised in that the sound including obtaining switch cubicle voice data to be monitored Sound sensor, the ultraviolet light transducer for obtaining the ultraviolet light data of switch cubicle to be monitored, the acquisition switch cubicle to be monitored are smelly The ozone sensor of oxygen data, the leakage current sensor and control module for obtaining the switch cabinet leakage current checking data to be monitored；The control module is stored with the voice data, the ultraviolet light data, the ozone data and the electric leakage fluxion According to preset value, for receiving the voice data, the ultraviolet light data, the ozone data and the leakage data, When at least one in the voice data, the ultraviolet light data and the ozone data is more than corresponding preset value, Compare the preset value of the leakage data and the leakage data, and export comparative result；The sound transducer, the ultraviolet light transducer, the ozone sensor and the leakage current sensor respectively with The control module connection.
- 2. partial discharge of switchgear monitoring device according to claim 1, it is characterised in that the control module includes the One comparator, the second comparator, the 3rd comparator, the 4th comparator and control circuit；The first comparator is used for the preset value of the voice data and the voice data, and second comparator is used In the preset value of the ultraviolet light data and the ultraviolet light data, the 3rd comparator is used for the ozone number According to the preset value with the ozone data, when in the first comparator, second comparator and the 3rd comparator extremely During one of them few output predetermined level signal, the control circuit controls the 4th comparator work, and the described 4th compares Device is used for the preset value of the leakage data and the leakage data and exports comparative result；The first comparator is connected with the sound transducer, and second comparator is connected with the ultraviolet light transducer, 3rd comparator is connected with the ozone sensor, the control circuit respectively with the first comparator, described second Comparator, the 3rd comparator and the 4th comparator connection, the 4th comparator and the leakage current sensor Connection.
- 3. partial discharge of switchgear monitoring device according to claim 1, it is characterised in that also including signal condition mould Block, the sound transducer, the ultraviolet light transducer, the ozone sensor and the leakage current sensor pass through respectively The Signal-regulated kinase is connected with the control module.
- 4. partial discharge of switchgear monitoring device according to claim 1, it is characterised in that also including communication module, institute Control module is stated to be connected with the communication module.
- 5. partial discharge of switchgear monitoring device according to claim 4, it is characterised in that also include storing the sound Data, the ultraviolet light data, the server of the ozone data and the leakage data, the server and the communication Module connects.
- 6. partial discharge of switchgear monitoring device according to claim 1, it is characterised in that also including display module, institute Display module is stated to be connected with the control module.
- 7. partial discharge of switchgear monitoring device according to claim 1, it is characterised in that also including power module, institute Power module is stated to be connected with the control module.
- 8. partial discharge of switchgear monitoring device according to claim 7, it is characterised in that the power module includes city The power module of electric power supply mode and energy-storage battery power supply mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720623791.2U CN206740915U (en) | 2017-05-31 | 2017-05-31 | Partial discharge of switchgear monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720623791.2U CN206740915U (en) | 2017-05-31 | 2017-05-31 | Partial discharge of switchgear monitoring device |
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| CN206740915U true CN206740915U (en) | 2017-12-12 |
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| CN201720623791.2U Active CN206740915U (en) | 2017-05-31 | 2017-05-31 | Partial discharge of switchgear monitoring device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861452A (en) * | 2017-12-15 | 2018-03-30 | 国网安徽省电力公司蚌埠供电公司 | A kind of high-voltage switch gear room indoor environment early warning and monitoring device and its early-warning monitoring method |
| CN109683074A (en) * | 2019-03-05 | 2019-04-26 | 云南电力技术有限责任公司 | A kind of high-tension switch cabinet partial discharge monitoring early warning system and method |
| CN113253076A (en) * | 2021-06-25 | 2021-08-13 | 广东电网有限责任公司 | Corona detection device and method for casing of box-type electrical equipment |
| CN116973714A (en) * | 2023-09-22 | 2023-10-31 | 山东捷远电气股份有限公司 | Switch cabinet with partial discharge detection device |
-
2017
- 2017-05-31 CN CN201720623791.2U patent/CN206740915U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861452A (en) * | 2017-12-15 | 2018-03-30 | 国网安徽省电力公司蚌埠供电公司 | A kind of high-voltage switch gear room indoor environment early warning and monitoring device and its early-warning monitoring method |
| CN109683074A (en) * | 2019-03-05 | 2019-04-26 | 云南电力技术有限责任公司 | A kind of high-tension switch cabinet partial discharge monitoring early warning system and method |
| CN113253076A (en) * | 2021-06-25 | 2021-08-13 | 广东电网有限责任公司 | Corona detection device and method for casing of box-type electrical equipment |
| CN113253076B (en) * | 2021-06-25 | 2023-02-03 | 广东电网有限责任公司 | Corona detection device and method for casing of box-type electrical equipment |
| CN116973714A (en) * | 2023-09-22 | 2023-10-31 | 山东捷远电气股份有限公司 | Switch cabinet with partial discharge detection device |
| CN116973714B (en) * | 2023-09-22 | 2024-01-26 | 山东捷远电气股份有限公司 | Switch cabinet with partial discharge detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200922 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |
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| TR01 | Transfer of patent right |