CN206400045U - The many situations of transformer remind control device - Google Patents
The many situations of transformer remind control device Download PDFInfo
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- CN206400045U CN206400045U CN201720078362.1U CN201720078362U CN206400045U CN 206400045 U CN206400045 U CN 206400045U CN 201720078362 U CN201720078362 U CN 201720078362U CN 206400045 U CN206400045 U CN 206400045U
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Abstract
A kind of many situations of transformer remind control device, including magnetic field detection module and data acquisition module, transformer detection reminds control device to carry out three kinds of detections to the leakage field state of transformer, when the magnetic flux leakage of transformer is less than corresponding first threshold data and Second Threshold data, normal display device work；When the magnetic flux leakage of transformer is more than corresponding first threshold data and Second Threshold data, the electric power line loop where serious equipment disengagement failure transformer prevents bigger security incident；When the magnetic flux leakage of transformer is between corresponding first threshold data and Second Threshold data, not serious alarm set is reminded staff accordingly in response to the work of not severe signal.
Description
Technical field
The utility model is related to transformer fault detection field, and more particularly to a kind of many situations of transformer remind control dress
Put.
Background technology
Powerful with electricity needs, the capacity of transmission facility is also increasing.For most important equipment in power transmission and transformation
One of：Transformer, the size of its volume is often directly proportional to the capacity of itself.Volume of transformer is bigger, and maintenance is not also square
Just.Transformer is after permanent operation, due to the impression by some factors such as thermal and magnetic, rainwater, sunlight, often along with old
Change.The difference of degree of aging, transformer can go out new different existing picture, when not occurring obvious fault phenomenon also, be difficult often
Which kind of degree of aging detection transformer has reached.Transformer is due to manufacturing technology, it is impossible to which leakage field is completely eliminated, because
This, in operation, leakage field is always present, and the appearance of leakage field can make transformer case magnetic loss occur and along with heating.And this
Plant phenomenon to occur then causing part in stray transformer flux loop aging occur for a long time, further improve leakage impedance, make leakage field
Amount further increase.Carrying out fault detect to transformer at present has：1）, shock detection, for judging whether transformer portion occurs
Part loosens.2）, oil mass detection（Oily formula transformer）, judge whether oil leak, excessive heating and short circuit occur by oil mass.
3）, temperature detection, to judge whether transformer temperature too high.4）, short circuit current detection, for judging that inside transformer is alternate,
Whether single-phase turn-to-turn there is short trouble.For fault detect 2）、4）It is usually used in short trouble, and not directed to transformation
Early warning is made in device aging.Fault detect 1）、3）Transformer can conveniently be reflected for rushing some, and certain is specific normal existing
As.But for the increase of transformer capacity, this several detection tends not to meet the development of transformer.
Notification number is CN203705574U Chinese patent, and a kind of transformer online monitoring based on magnetic field detection principle is pre-
Alarm device, the transformer online monitoring prior-warning device based on magnetic field detection principle, including three-D magnetic field sensor, magnetic field detection mould
Block, data acquisition module, it is characterised in that three-D magnetic field sensor connects magnetic field detection module, magnetic field detection module connection number
According to acquisition module, data acquisition module connection monitoring module；The magnetic field detection module includes single-chip microcomputer U1, single-chip microcomputer U1
Connect the first wireless transmission circuit, pulse driving circuit and signal amplification circuit；The data acquisition module includes button electricity
Road, RS-485 transmission circuits and indicator light circuit, the key circuit, RS-485 transmission circuits and indicator light circuit connection are single
Piece machine U1, single-chip microcomputer U1 the second wireless transmission circuit of connection.Such a transformer online monitoring based on magnetic field detection principle is pre-
Alarm device, stray transformer flux amount is detected by magnetic field detection technology, so as to judge the ageing level of transformer, but such a is based on
The transformer online monitoring prior-warning device of magnetic field detection principle, which is merely able to align transformer in use, to be detected, but in reality
In the measurement process on border, the harm brought because the magnetic flux leakage of transformer is different is different, stray transformer flux situation can be divided into
Lower three kinds of situations
（1）Normal condition, not leakage field；
（2）Abnormal condition 1, leakage field but leakage field situation is not serious, transformer can either be repaired by carrying out simple safeguard；
（3）Abnormal condition 2, leakage field situation is serious, needs promptly to cut off loop where transformation, bigger to prevent from existing
Potential safety hazard.
And the above-mentioned transformer online monitoring prior-warning device based on magnetic field detection principle is merely able to for two kinds of anon-normal reasons
Condition.
Utility model content
The purpose of this utility model is that providing a kind of many situations of transformer reminds control device, can be by the anon-normal of transformer
Reason condition is divided into two kinds of different situations and takes two kinds of different measures.
Above-mentioned purpose of the present utility model technical scheme is that：
A kind of many situations of transformer remind control device, including magnetic field detection module and data acquisition module, described magnetic
Field detection module includes some three-D magnetic field sensors, and described three-D magnetic field sensor is used to detect stray transformer flux amount, and
Corresponding leakage field voltage is generated according to corresponding magnetic flux leakage；Described transformer detection alarm set also includes default regulation mould
Block, staff can set first threshold voltage and second threshold voltage respectively according to adjustment module；Three-D magnetic field sensor connects
Be connected to data acquisition module, for by the leakage field photovoltaic conversion of analog quantity be digital quantity magnetic flux leakage data；Adjustment module is connected with
Data acquisition module, the first threshold number for the first threshold voltage and second threshold voltage of analog quantity to be converted into digital quantity
According to Second Threshold data；Also include processor, magnetic flux leakage data is carried out with first threshold data and Second Threshold data respectively
Compare, when magnetic flux leakage data is respectively smaller than first threshold data and Second Threshold data, export normal signal；When magnetic flux leakage data point
Not great Yu first threshold data and during Second Threshold data, export severe signal；When magnetic flux leakage data between first threshold data and
When between Second Threshold data, not severe signal is exported；Normal display device, works in response to normal signal；Do not remind seriously
Device, works in response to not severe signal；Serious equipment, in response to the electric power where severe signal disengagement failure transformer
Line loop.
By using above-mentioned technical proposal, transformer detection reminds control device to carry out three to the leakage field state of transformer
Detection is planted, when the magnetic flux leakage of transformer is less than corresponding first threshold data and Second Threshold data, normal display device work
Make；When the magnetic flux leakage of transformer is more than corresponding first threshold data and Second Threshold data, serious equipment cut-out event
Hinder the electric power line loop where transformer, prevent bigger security incident；When the magnetic flux leakage of transformer is between corresponding
When one threshold data and Second Threshold data, not serious alarm set is carried out in response to the work of not severe signal to staff
It is corresponding to remind.
The utility model can be further arranged to, and described serious equipment includes and the electric power where failure transformer
The breaker that line loop is arranged in series.
By using above-mentioned technical proposal, by the electric power line loop where circuit breaker trip failure transformer, make failure
Transformer is in power failure state, it is to avoid occur serious security incident.
The utility model can be further arranged to, and described normal display device includes indicator lamp.
By using above-mentioned technical proposal, shown by indicator lamp, staff is known that now transformer is in
Normal working condition.
The utility model can be further arranged to, and described not serious alarm set includes loudspeaker.
By using above-mentioned technical proposal, staff is reminded by loudspeaker, it is to be understood that now at transformer
In not serious abnormal condition, it should be repaired in time.
The utility model can be further arranged to, and described three-D magnetic field sensor is at least 4.
By using above-mentioned technical proposal, multiple three-D magnetic field sensors are detected to transformer, are reached to transformer
The effect that the magnetic field in each orientation can be detected, it is to avoid the problem of dead angle occur.
The utility model can be further arranged to, and described three-D magnetic field sensor is arranged at four sides of the transformer
To.
By using above-mentioned technical proposal, three-D magnetic field sensor is arranged at the four direction of transformer, it is to avoid Three-Dimensional Magnetic
Field sensor can not detect any one direction of transformer.
The utility model can be further arranged to, and described processor is application specific integrated circuit.
By using above-mentioned technical proposal, by application specific integrated circuit complete magnetic flux leakage data and respectively with first threshold data
The purpose being compared with Second Threshold data.
In summary, the utility model has the advantages that：
Transformer detection reminds control device to carry out three kinds of detections to the leakage field state of transformer, when the leakage field of transformer
When amount is less than corresponding first threshold data and Second Threshold data, normal display device work；When the magnetic flux leakage of transformer is big
When corresponding first threshold data and Second Threshold data, the power line where serious equipment disengagement failure transformer is returned
Road, prevents bigger security incident；When the magnetic flux leakage of transformer is between corresponding first threshold data and Second Threshold number
According to when, not serious alarm set, in response to not severe signal work staff is reminded accordingly, three-dimensional magnetic field sense
Device is arranged at the four direction of the transformer, and three-D magnetic field sensor is arranged at the four direction of transformer, it is to avoid Three-Dimensional Magnetic
Field sensor can not detect any one direction of transformer, and described processor is application specific integrated circuit, passes through special collection
Magnetic flux leakage data and the purpose being compared respectively with first threshold data and Second Threshold data are completed into circuit.
Brief description of the drawings
Fig. 1 is that many situations of transformer remind control device structural representation.
In figure, 110, magnetic field detection module；120th, data acquisition module；130th, processor；140th, normal display device；
1501st, not serious alarm set；1502nd, serious equipment；160th, data acquisition module；170th, adjustment module.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of transformer detection alarm set based on magnetic field detection principle, its structural representation as shown in Figure 1, including magnetic
Field detection module 110, magnetic field detection module 110 includes multiple three-D magnetic field sensors, and three-D magnetic field sensor can be to transformation
The magnetic flux leakage of device is detected, and generates corresponding leakage field voltage according to the magnetic flux leakage of transformer.
Three-D magnetic field sensor is at least 4, and multiple three-D magnetic field sensors are detected to transformer, are reached to transformation
The effect that the magnetic field in each orientation of device can be detected, it is to avoid the problem of dead angle occur.Three-D magnetic field sensor is preferably disposed on
The four direction of transformer, three-D magnetic field sensor is arranged at the four direction of transformer, it is to avoid three-D magnetic field sensor can not
Detect any one direction of transformer.Make that the detection to transformer is more comprehensive, multi-angle.
Magnetic field detection module 110 is connected with data acquisition module 120, by data acquisition module 120 by magnetic field detection mould
The analog quantity leakage field photovoltaic conversion that block 110 is exported is the magnetic flux leakage data of digital quantity.Data acquisition module 120 can be AD converter.
Transformer detection alarm set also includes adjustment module 170, and staff can set the respectively according to adjustment module
One threshold voltage and second threshold voltage, adjustment module 170 are DSP, and the regulation of corresponding threshold voltage is carried out by DSP.
Adjustment module 170 is connected with data acquisition module 160, by data acquisition module 160 by the first threshold of analog quantity
Threshold voltage and second threshold voltage are converted into the first threshold data and Second Threshold data of digital quantity, data acquisition module 160
It can be AD converter.
Processor 130 is connected with data acquisition module 160 and data acquisition module 120 respectively, by magnetic flux leakage data respectively with
First threshold data and Second Threshold data are compared, when magnetic flux leakage data is respectively smaller than first threshold data and Second Threshold number
According to when, export normal signal；When magnetic flux leakage data is respectively greater than first threshold data and Second Threshold data, the serious letter of output
Number；When magnetic flux leakage data is between first threshold data and Second Threshold data, not severe signal is exported；
Normal display device 140, works in response to normal signal, and normal display device 140 includes indicator lamp, by indicating
Lamp is shown, staff is known that now transformer is in normal working condition.
Not serious alarm set 1501, works in response to not severe signal, and not serious alarm set 1501 includes loudspeaker,
Staff is reminded by loudspeaker, it is to be understood that now transformer is in not serious abnormal condition, should enter in time
Row maintenance.
Serious equipment 1502, in response to the electric power line loop where severe signal disengagement failure transformer, serious work
Make the breaker that device 1502 includes setting with the power line circuit in series where failure transformer, pass through circuit breaker trip failure
Electric power line loop where transformer, makes failure transformer be in power failure state, it is to avoid occur serious security incident.
Transformer detection reminds control device to carry out three kinds of detections to the leakage field state of transformer, when the leakage field of transformer
When amount is less than corresponding first threshold data and Second Threshold data, indicator lamp is normally shown；When the magnetic flux leakage of transformer is more than
When corresponding first threshold data and Second Threshold data, serious equipment 1502 passes through circuit breaker trip failure transformer institute
Electric power line loop, prevent bigger security incident；When the magnetic flux leakage of transformer is between corresponding first threshold data
During with Second Threshold data, loudspeaker carries out prompting of raising one's voice.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in right of the present utility model by Patent Law.
Claims (7)
1. a kind of many situations of transformer remind control device, including magnetic field detection module (110) and data acquisition module (120),
Described magnetic field detection module (110) includes some three-D magnetic field sensors, it is characterized in that：
Described three-D magnetic field sensor is used to detect stray transformer flux amount, and generates corresponding leakage field according to corresponding magnetic flux leakage
Voltage；
Described transformer detection alarm set also includes default adjustment module (170), and staff can be according to adjustment module
(170) first threshold voltage and second threshold voltage are set respectively；
Three-D magnetic field sensor is connected with data acquisition module (120), for being digital quantity by the leakage field photovoltaic conversion of analog quantity
Magnetic flux leakage data；
Adjustment module (170) is connected with data acquisition module (160), for by the first threshold voltage and Second Threshold of analog quantity
Photovoltaic conversion is the first threshold data and Second Threshold data of digital quantity；
Also include processor (130), magnetic flux leakage data is compared with first threshold data and Second Threshold data respectively, works as leakage
When magnetic data is respectively smaller than first threshold data and Second Threshold data, normal signal is exported；When magnetic flux leakage data is respectively greater than
When one threshold data and Second Threshold data, severe signal is exported；When magnetic flux leakage data is between first threshold data and Second Threshold
When between data, not severe signal is exported；
Normal display device (140), works in response to normal signal；
Not serious alarm set (1501), works in response to not severe signal；
Serious equipment (1502), in response to the electric power line loop where severe signal disengagement failure transformer.
2. many situations of a kind of transformer according to claim 1 remind control device, it is characterized in that：Described serious work
Device (1502) includes the breaker set with the power line circuit in series where failure transformer.
3. many situations of a kind of transformer according to claim 1 remind control device, it is characterized in that：Described normal display
Device (140) includes indicator lamp.
4. many situations of a kind of transformer according to claim 1 remind control device, it is characterized in that：Described does not carry seriously
Device (1501) of waking up includes loudspeaker.
5. many situations of a kind of transformer according to claim 1 remind control device, it is characterized in that：Described three-dimensional magnetic field
Sensor is at least 4.
6. many situations of a kind of transformer according to claim 1 remind control device, it is characterized in that：Described three-dimensional magnetic field
Sensor is arranged at the four direction of the transformer.
7. many situations of a kind of transformer according to claim 1 remind control device, it is characterized in that：Described processor
(130) it is application specific integrated circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720078362.1U CN206400045U (en) | 2017-01-21 | 2017-01-21 | The many situations of transformer remind control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720078362.1U CN206400045U (en) | 2017-01-21 | 2017-01-21 | The many situations of transformer remind control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206400045U true CN206400045U (en) | 2017-08-11 |
Family
ID=59515144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720078362.1U Expired - Fee Related CN206400045U (en) | 2017-01-21 | 2017-01-21 | The many situations of transformer remind control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206400045U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113126001A (en) * | 2021-04-20 | 2021-07-16 | 广东电网有限责任公司 | Electromagnetic monitoring system and method |
-
2017
- 2017-01-21 CN CN201720078362.1U patent/CN206400045U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113126001A (en) * | 2021-04-20 | 2021-07-16 | 广东电网有限责任公司 | Electromagnetic monitoring system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170811 Termination date: 20180121 |