CN205720455U - A kind of aging on-line detector of distribution transformer - Google Patents
A kind of aging on-line detector of distribution transformer Download PDFInfo
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- CN205720455U CN205720455U CN201620190895.4U CN201620190895U CN205720455U CN 205720455 U CN205720455 U CN 205720455U CN 201620190895 U CN201620190895 U CN 201620190895U CN 205720455 U CN205720455 U CN 205720455U
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- sensor
- transformer
- aging
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- Housings And Mounting Of Transformers (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses a kind of aging on-line detector of distribution transformer, including some sensors, be used for Monitoring Power Transformer state；The data of each sensor are carried out data management by controller；Wherein, controller is that embedded scm includes analog-to-digital conversion module and signal transmission module, and described sensor is connected with controller.The utility model utilizes embedded scm to realize intelligent aging on-line checking, fixed-point data collection is carried out to power transformer, gather data by temperature sensor, pressure sensor, gas sensor, current sensor etc. and send in embedded scm, learn that whether current transformer is working properly according to data variation, the utility model has high real-time, accomplish fault look-ahead, prevent in advance, allow the care and maintenance of power transformer become more easy.
Description
Technical field
The utility model belongs to transformer anti-aging technical field, is specifically related to a kind of aging on-line checking of distribution transformer
Instrument.
Background technology
The existing large quantities of power transformers of national grid need to carry out human at periodic intervals's detection and maintenance, and this makes power transformer
Preservation & testing cost very high, and manual detection is extremely dangerous, careless slightly may will be accidents caused.
Aging power transformer has very big potential safety hazard, and through investigation, domestic existing power transformer is normally born
Life-span under Zaiing, owing to China is fast-developing, existing end power transformer can not meet city up to 20 years as long as
, often there is the phenomenon of excess load in development need, and the appearance of this phenomenon so that the fault rate of power transformer exponentially increases
Long.
Utility model content
Utility model purpose: the problem and shortage existing for above-mentioned prior art, the purpose of this utility model is to provide
The aging on-line detector of distribution transformer, carries out real-time online detection, by Network Capture power transformer full spectrum information, and
When by server end host computer procedure reaction front situation, as far as possible accident is strangled in the symptom of a trend, can gradually replace artificial inspection
Survey.
Technical scheme: the utility model discloses a kind of aging on-line detector of distribution transformer, including some sensors,
For Monitoring Power Transformer state；The data of each sensor are carried out data management by controller；Wherein, controller is embedded
Formula single-chip microcomputer includes analog-to-digital conversion module and signal transmission module, and described sensor is connected with controller.
Optimizing further as of the present utility model, the utility model also includes server terminal, and described controller passes through
Signal transmission module and this server terminal carry out data transmission and data statistics, and described signal transmission module is wire transmission mould
Block or wireless transport module.
Optimizing further as of the present utility model, sensor described in the utility model includes pH sensor, is used for
Oleic acid basicity monitoring in oil-filled transformer.
Optimizing further as of the present utility model, sensor described in the utility model includes gas sensor, is used for
The degree of aging of insulating paper in monitoring transformer.
Optimizing further as of the present utility model, sensor described in the utility model includes current sensor, is used for
Curent change in monitoring transformer.
Optimizing further as of the present utility model, sensor described in the utility model includes that sensor includes for examining
Survey whether transformer enters the shock sensor of aging period and for detecting the pressure sensor of inside transformer pressure.
Optimize further as of the present utility model, analog-to-digital conversion module described in the utility model be 12bit gradually than
Compared with type ADC.
Optimizing further as of the present utility model, sensor described in the utility model includes temperature sensor, is used for
Oil temperature situation in detection oil-filled transformer.
Beneficial effect: the utility model compared with prior art, has the advantage that the utility model utilizes embedded single
Piece machine realizes intelligent aging on-line checking, carries out fixed-point data collection to power transformer, by temperature sensor, pressure sensing
Device, gas sensor, current sensor etc. gather data and send in embedded scm, learn current transformation according to data variation
Whether device is working properly, and the utility model has high real-time, accomplishes fault look-ahead, prevents in advance, allows electric power become
The care and maintenance of depressor becomes more easy.
Brief description
Fig. 1 is theory diagram of the present utility model.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in detail, but guarantor of the present utility model is described simultaneously
The scope of protecting is not limited to the concrete scope of the present embodiment, based on the embodiment in the utility model, ordinary skill people
The every other embodiment that member is obtained under the premise of not making creative work, broadly falls into the model of the utility model protection
Enclose.
It should be noted that in of the present utility model description, unless otherwise stated, " multiple " are meant that two or two
More than individual；Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the instruction such as " afterbody "
Orientation or position relationship, for based on orientation shown in the drawings or position relationship, are for only for ease of description the utility model and simplification
Describe, rather than device or the element of instruction or hint indication must have specific orientation, with specific azimuth configuration and behaviour
Make, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " etc. are only used for describing
Purpose, and it is not intended that indicate or hint relative importance.
As it is shown in figure 1, the aging on-line detector of a kind of distribution transformer of the present embodiment, including some for monitoring electric power
The sensor of transformer state, the data to each sensor carry out the controller of data management and controller carries out data transmission
Server terminal and for showing the display of transformer performance data drawing list or curve, wherein, the controller of the present embodiment
Using embedded scm, its built-in 12bit of including high accuracy group word compares type analog-to-digital conversion module and carries out digital-to-analogue conversion and reality
The signal transmission module of the existing wired or wireless transmission of follow-up data, existing embedded scm low cost, with manufacture of semiconductor
Improving, the volume of embedded scm is less, and performance is higher, and speed faster, is highly suitable for adopting of power transformer force data
Collection and control work, have high real-time.
The present embodiment can be remembered by embedded scm by the running status of multiple sensors detection power transformer
Record transformer has used age and the running status by sensor transmissions to the transformer in embedded scm can be to transformation
The service life of device is estimated, realizes showing in real time each surveyed parameter of transformer by server terminal and display
Change curve, this curve can sky or the moon be that unit presents, and the present embodiment can also carry out data transmission with mobile terminal, works as change
Depressor parameter can be sent on mobile terminal set in advance by modes such as notes when occurring abnormal, i.e. realizes unmanned.
The sensor of the present embodiment includes gas sensor, current sensor, pressure sensor and shock sensor.
The insulating paper of commercially available power transformer is made up of fiber molecule, and the heat producing when transformer overload is sent out with oxygen
During raw effect, causing insulating paper aging, in ageing process, fiber molecule changes to low molecule, average degree of polymerization reduce and then
Produce the gas such as carbon monoxide, carbon dioxide, therefore can effectively detect the old of insulating paper in transformer by using gas sensor
Change degree.
The shock sensor of the present embodiment is for detecting the specific simple harmonic oscillation that transformer produces when aging, to realize inspection
Surveying whether transformer enters aging period, meanwhile, pressure sensor is for real-time monitoring inside transformer pressure, by detect
Internal pressure value can calculate whether normal the load of transformer or overload indirectly.
The present embodiment, for oil-filled transformer, uses pH sensor and temperature sensor, and wherein, pH sensor is used
Oleic acid basicity in monitoring oil-filled transformer, temperature sensor is used for detecting oil temperature change in oil-filled transformer.
The present embodiment passes through series sensor, and the various data detecting or Parameter Switch are become analog voltage signal, and
The analog-to-digital conversion module sending into embedded scm carries out analog-to-digital conversion, the transmission of the follow-up data that has never been realized and process point
Analysis.
The present embodiment changes the unreliability of Traditional Man detection, can show duty the energy of transformer in real time
Realize big data process, be capable of unmanned by carrying out data exchange with mobile terminal, the on-line checking of the present embodiment
System highly versatile, being applicable to oil immersed type, dry-type transformer, product operation is simple and is easily installed.
Claims (5)
1. the aging on-line detector of a distribution transformer, it is characterised in that: include
Some sensors, are used for Monitoring Power Transformer state；With
The data of each sensor are carried out data management by controller；
Described controller is that embedded scm includes analog-to-digital conversion module and signal transmission module, described sensor and controller
It is connected；
Described sensor include for monitor the degree of aging of insulating paper in transformer gas sensor, for detecting transformer
Whether enter the shock sensor of aging period and for detecting the pressure sensor of inside transformer pressure；
Described sensor also includes the pH sensor for oleic acid basicity monitoring in oil-filled transformer.
2. a kind of aging on-line detector of distribution transformer according to claim 1, it is characterised in that: also include server
Terminal, described controller is carried out data transmission and data statistics by signal transmission module and this server terminal, described signal
Transport module is wire transmission module or wireless transport module.
3. a kind of aging on-line detector of distribution transformer according to claim 1 and 2, it is characterised in that: described sensing
Device includes current sensor, is used for monitoring curent change in transformer.
4. a kind of aging on-line detector of distribution transformer according to claim 1, it is characterised in that: described analog-to-digital conversion
Module is 12bit gradually comparison A/D C.
5. a kind of aging on-line detector of distribution transformer according to claim 1, it is characterised in that: described sensor bag
Include temperature sensor, be used for detecting oil temperature situation in oil-filled transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620190895.4U CN205720455U (en) | 2016-03-11 | 2016-03-11 | A kind of aging on-line detector of distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620190895.4U CN205720455U (en) | 2016-03-11 | 2016-03-11 | A kind of aging on-line detector of distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205720455U true CN205720455U (en) | 2016-11-23 |
Family
ID=57312957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620190895.4U Expired - Fee Related CN205720455U (en) | 2016-03-11 | 2016-03-11 | A kind of aging on-line detector of distribution transformer |
Country Status (1)
| Country | Link |
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| CN (1) | CN205720455U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007052A (en) * | 2019-04-24 | 2019-07-12 | 福建工程学院 | A kind of transmitting transformer fault detection dial plate device |
| CN110808155A (en) * | 2019-11-22 | 2020-02-18 | 江苏恒屹变压器有限公司 | Safety sensing system suitable for oil-immersed distribution transformer |
| CN112824913A (en) * | 2019-11-20 | 2021-05-21 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Aging detection system for transformer insulation |
| CN114067542A (en) * | 2021-09-30 | 2022-02-18 | 南京理工大学 | Communication device for information transmission device |
-
2016
- 2016-03-11 CN CN201620190895.4U patent/CN205720455U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007052A (en) * | 2019-04-24 | 2019-07-12 | 福建工程学院 | A kind of transmitting transformer fault detection dial plate device |
| CN112824913A (en) * | 2019-11-20 | 2021-05-21 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Aging detection system for transformer insulation |
| CN110808155A (en) * | 2019-11-22 | 2020-02-18 | 江苏恒屹变压器有限公司 | Safety sensing system suitable for oil-immersed distribution transformer |
| CN114067542A (en) * | 2021-09-30 | 2022-02-18 | 南京理工大学 | Communication device for information transmission device |
| CN114067542B (en) * | 2021-09-30 | 2023-12-12 | 南京理工大学 | Communication device for information transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20170311 |