CN203587742U - Discharging frequency domain sensing device and online discharging diagnosis and monitoring equipment for oil type transformer using same - Google Patents
Discharging frequency domain sensing device and online discharging diagnosis and monitoring equipment for oil type transformer using same Download PDFInfo
- Publication number
- CN203587742U CN203587742U CN201320637767.6U CN201320637767U CN203587742U CN 203587742 U CN203587742 U CN 203587742U CN 201320637767 U CN201320637767 U CN 201320637767U CN 203587742 U CN203587742 U CN 203587742U
- Authority
- CN
- China
- Prior art keywords
- sensor
- sensing apparatus
- frequency domain
- receiver
- loop antenna
- 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.)
- Expired - Lifetime
Links
- 238000003745 diagnosis Methods 0.000 title claims abstract description 15
- 238000007599 discharging Methods 0.000 title 2
- 238000012544 monitoring process Methods 0.000 title 1
- 238000012806 monitoring device Methods 0.000 claims abstract description 14
- 230000000803 paradoxical effect Effects 0.000 claims description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 abstract description 8
- 208000028659 discharge Diseases 0.000 abstract 6
- 230000005404 monopole Effects 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 1
Images
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
A discharge frequency domain sensing device and an oil transformer online discharge diagnosis monitoring device using the same are provided, wherein the discharge frequency domain sensing device comprises: a sensor for sensing an abnormal discharge signal; a receiver connected to the sensor for receiving the abnormal discharge signal; and a signal intensity indicator connected to the receiver for displaying the abnormal discharge signal; the sensor comprises two monopole antennas and a loop antenna, wherein the two monopole antennas are connected with the first end of the loop antenna, the second ends of the two monopole antennas are connected in an air-to-air mode, and the first end and the second end of the loop antenna are connected with the receiver.
Description
Technical field
The utility model is about a kind of electric discharge frequency domain sensing apparatus, especially refers to a kind of discharge online electric discharge frequency domain sensing apparatus of diagnosis monitoring device of oily formula transformer that is applicable to.
Background technology
General ultrahigh frequency (Ultra high frequency, UHF) sensing apparatus, its sensed characteristic region is in tens of hertz frequency domain scopes to thousands of hertz, on measuring, due to the interference of surrounding environment and the close relation of frequency domain, easily causes and interferes with each other.
For example, oily formula transformer is the transformer that belongs to a kind of large-scale, closed running.Owing to being closed running; whether the normal operation of oil formula transformer; also or the generation of abnormal signal or fault; the safety issue that is all related to whole group of parts and surrounding environment; during operating, personnel cannot judge that oily formula transformer is whether abnormal or open it to monitor whether fault of oily formula transformer by outward appearance, also cannot monitor for a long time by personnel.
Therefore, in view of this, the electric discharge frequency domain sensing apparatus that the utility model applicant develops and use its oily formula transformer diagnosis monitoring device that discharges online, be a kind of Noninvasive, can be installed on transformer outside, movability is high and does not affect it and turn round, can monitor, can watch immediately oscillograph record analysis waveform, the signal that can produce according to oily formula transformer flash-over characteristic judges whether normally, can effectively measure and define the discharge frequency domain sensing apparatus and use its oily formula transformer diagnosis monitoring device that discharges online of abnormal signal a kind of that discharges.
Utility model content
The purpose of this utility model is to provide a kind of electric discharge frequency domain sensing apparatus.
Another object of the present utility model is to provide a kind of oily formula transformer diagnosis monitoring device that discharges online.
For achieving the above object, the electric discharge frequency domain sensing apparatus that the utility model provides, comprising: a sensor, in order to sensing one paradoxical discharge signal; One receiver, connects this sensor to receive this paradoxical discharge signal; And a signal strength indicator, connect this receiver to show this paradoxical discharge signal; Wherein, this sensor comprises two unipole antennas and a loop antenna, and the first end of these two unipole antennas and this root loop antenna is connected, and the second end sky of these two unipole antennas connects, and the first end of this root loop antenna and the second end connect this receiver.
In addition, this sensor is a uhf sensor.
Moreover the sensing frequency scope of this sensor is at 10MHz～1GHz.
In addition, to send to this paradoxical discharge signal of this signal strength indicator be an analog signal to this receiver.
In addition, this signal strength indicator is an oscillograph.
In addition, the reflection loss of this sensor is-35dB.
Moreover the susceptibility of this sensor is-85dBm.
In addition, this unipole antenna or loop antenna are to be formed by enameled wire wound core.
The oily formula transformer that the utility model the provides diagnosis monitoring device that discharges online, comprises: one first electric discharge frequency domain sensing apparatus, is attached at the ground wire of an oily formula transformer, in order to this oil formula transformer case of sensing and iron core paradoxical discharge over the ground; One second electric discharge frequency domain sensing apparatus, is attached at the extension ground wire of the first short-circuited coil in this oil formula transformer, in order to this oil formula transformer coil of sensing paradoxical discharge over the ground; And a power supply, connect the second short-circuited coil in this oil formula transformer so that a power supply to be provided; Wherein, each this first and second electric discharge frequency domain sensing apparatus comprises: a sensor, in order to sensing one paradoxical discharge signal; One receiver, connects this sensor to receive this paradoxical discharge signal; And a signal strength indicator, connect this receiver to show this paradoxical discharge signal; Wherein, this sensor comprises two unipole antennas and a loop antenna, and the first end of these two unipole antennas and this root loop antenna is connected, and the second end sky of these two unipole antennas connects, and the first end of this root loop antenna and the second end connect this receiver.
Thus, electric discharge frequency domain sensing apparatus of the present utility model and use its oily formula transformer diagnosis monitoring device that discharges online extremely to diagnose the electric discharge of oily formula transformer by this frequency domain sensing apparatus that discharges, electric discharge leakage or disturbance abnormal and that cause via this electric discharge frequency domain sensing device senses oil formula transformer measure and test, and see through the combination of unipole antenna and loop antenna, promotion feeling measuring tape wide region and the abnormal response characteristic of electric discharge that highlights oily formula transformer, with the normal operation that effectively detects oily formula transformer whether.
More than summarizing and being all exemplary in nature with ensuing detailed description is in order to further illustrate claim of the present utility model.And relevant other objects and advantages of the present utility model are set forth the explanation follow-up and diagram.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model electric discharge frequency domain sensing apparatus.
Fig. 2 is the structural representation of the utility model sensor.
Fig. 3 is discharge the online schematic diagram of diagnosis monitoring device of the utility model oil formula transformer.
Symbol description in accompanying drawing:
Embodiment
Refer to Fig. 1, schematic diagram for the utility model electric discharge frequency domain sensing apparatus, this electric discharge frequency domain sensing apparatus comprises: a sensor 1, one receiver 2 and a signal strength indicator 3, the sensor 1 is in order to sensing one paradoxical discharge signal, it can be a uhf sensor and its sensing frequency scope at 10MHz～1GHz, reflection loss is-35dB, susceptibility is-85dBm, above-mentioned receiver 2 connects the sensor 1 to receive above-mentioned paradoxical discharge signal, above-mentioned signal strength indicator 3 connects above-mentioned receiver 2 to show above-mentioned paradoxical discharge signal, wherein, it is an analog signal that above-mentioned receiver 2 sends to the above-mentioned paradoxical discharge signal of above-mentioned signal strength indicator 3, and above-mentioned signal strength indicator 3 can be an oscillograph.
See also Fig. 2, it is the structural representation of the utility model sensor, the sensor 1 comprises two unipole antennas 11 and a loop antenna 12, above-mentioned unipole antenna 11 or loop antenna 12 can be formed by enameled wire 14 wound cores 13, the first end 111 of above-mentioned two unipole antennas 11 and the first end 121 of above-mentioned loop antenna 12 are connected, the second end 112 skies of above-mentioned two unipole antennas 11 connect, the first end 121 of above-mentioned loop antenna 12 and the second end 122 connect above-mentioned receiver 2, the integration of unipole antenna 11 and loop antenna 12 accordingly, can obtain sensing frequency scope at 10MHz～1GHz, reflection loss is-35dB, susceptibility is-antenna performance of 85dBm, therefore significantly elevator belt wide region is wide area banding pattern, in oily formula, dry-type transformer, the electric discharge of the electric power facilities such as gas insulated substation (GIS) has best frequency domain while detecting interval, and can obtain optimal response to the feature degree of electric discharge, thereby be suitable for as uhf sensor of the present utility model.
Refer to Fig. 3, for using discharge the online schematic diagram of diagnosis monitoring device of the oily formula transformer of the utility model electric discharge frequency domain sensing apparatus, wherein, this oily formula transformer diagnosis monitoring device that discharges online comprises: one first electric discharge frequency domain sensing apparatus 6, one second electric discharge frequency domain sensing apparatus 5, an and power supply 7, above-mentioned the first electric discharge frequency domain sensing apparatus 6 is attached at the ground wire of an oily formula transformer 4, and this ground wire connects the shell and unshakable in one's determination 9 of above-mentioned oily formula transformer 4, so that above-mentioned the first electric discharge frequency domain sensing apparatus 6 is in order to sensing oil formula transformer case and unshakable in one's determination 9, paradoxical discharge is whether over the ground, above-mentioned the second electric discharge frequency domain sensing apparatus 5 is the extension ground wire that is attached at the short-circuited coil 8 in above-mentioned oily formula transformer 4, so that above-mentioned the second electric discharge frequency domain sensing apparatus 5 is in order to sensing oil formula transformer coil, paradoxical discharge is whether over the ground, short-circuited coil 10 in the above-mentioned oily formula transformer 4 of above-mentioned power supply 7 connection is to provide a power supply.When above-mentioned the first electric discharge frequency domain sensing apparatus 6 senses paradoxical discharge signal, represent above-mentioned oily formula transformer case and unshakable in one's determination 9 paradoxical discharge over the ground, when above-mentioned the second electric discharge frequency domain sensing apparatus 5 senses paradoxical discharge signal, represent above-mentioned oily formula transformer coil paradoxical discharge over the ground.So, can judge whether normal operation find out above-mentioned oily formula transformer 4 paradoxical discharge signals and paradoxical discharge parts of above-mentioned oily formula transformer 4 by the utility model oil formula transformer diagnosis monitoring device that discharges online, for example, when when the first electric discharge frequency domain sensing apparatus 6 senses paradoxical discharge signal, the second electric discharge frequency domain sensing apparatus 5 does not sense paradoxical discharge signal, can interpretation be the withstand voltage deficiency of major insulation, otherwise, when the second electric discharge frequency domain sensing apparatus 5 senses paradoxical discharge signal and the first electric discharge frequency domain sensing apparatus 6 while not sensing paradoxical discharge signal, can interpretation be to go between or the withstand voltage deficiency of insulation against ground except major insulation.
Above-described embodiment is only given an example for convenience of description, and the interest field that the utility model is advocated should be as the criterion with described in claim certainly, but not only limits to above-described embodiment.
Claims (10)
1. an electric discharge frequency domain sensing apparatus, is characterized in that, comprising:
One sensor in order to sensing one paradoxical discharge signal;
One receiver, connects this sensor to receive this paradoxical discharge signal; And
One signal strength indicator, connects this receiver to show this paradoxical discharge signal;
Wherein, this sensor comprises two unipole antennas and a loop antenna, and the first end of these two unipole antennas and this root loop antenna is connected, and the second end sky of these two unipole antennas connects, and the first end of this root loop antenna and the second end connect this receiver.
2. sensing apparatus as claimed in claim 1, is characterized in that, this sensor is a uhf sensor.
3. sensing apparatus as claimed in claim 1, is characterized in that, the sensing frequency scope of this sensor is at 10MHz～1GHz.
4. sensing apparatus as claimed in claim 1, is characterized in that, it is an analog signal that this receiver sends to this paradoxical discharge signal of this signal strength indicator.
5. sensing apparatus as claimed in claim 1, is characterized in that, this signal strength indicator is an oscillograph.
6. sensing apparatus as claimed in claim 1, is characterized in that, the reflection loss of this sensor is-35dB.
7. sensing apparatus as claimed in claim 1, is characterized in that, the susceptibility of this sensor is-85dBm.
8. sensing apparatus as claimed in claim 1, is characterized in that, this unipole antenna or loop antenna are to be formed by enameled wire wound core.
9. the oily formula transformer diagnosis monitoring device that discharges online, is characterized in that, comprises:
One first electric discharge frequency domain sensing apparatus, is attached at the ground wire of an oily formula transformer, with this oil formula transformer case of sensing and iron core paradoxical discharge over the ground;
One second electric discharge frequency domain sensing apparatus, is attached at the extension ground wire of the first short-circuited coil in this oil formula transformer, with this oil formula transformer coil of sensing paradoxical discharge over the ground; And
One power supply, connects the second short-circuited coil in this oil formula transformer so that a power supply to be provided;
Wherein, this first and second electric discharge frequency domain sensing apparatus comprises respectively:
One sensor in order to sensing one paradoxical discharge signal;
One receiver, connects this sensor to receive this paradoxical discharge signal; And
One signal strength indicator, connects this receiver to show this paradoxical discharge signal;
Wherein, this sensor comprises two unipole antennas and a loop antenna, and the first end of these two unipole antennas and this root loop antenna is connected, and the second end sky of these two unipole antennas connects, and the first end of this root loop antenna and the second end connect this receiver.
10. the oily formula transformer as claimed in claim 9 diagnosis monitoring device that discharges online, is characterized in that, this sensor is a uhf sensor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102218420 | 2013-10-02 | ||
| TW102218420U TWM476266U (en) | 2013-10-02 | 2013-10-02 | Discharging frequency domain sensing device and oil type transformer online discharge diagnosis monitoring apparatus using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203587742U true CN203587742U (en) | 2014-05-07 |
Family
ID=50585642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320637767.6U Expired - Lifetime CN203587742U (en) | 2013-10-02 | 2013-10-16 | Discharging frequency domain sensing device and online discharging diagnosis and monitoring equipment for oil type transformer using same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203587742U (en) |
| TW (1) | TWM476266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515936A (en) * | 2013-10-02 | 2015-04-15 | 大同股份有限公司 | Discharge frequency domain sensing device and oil type transformer discharge diagnosis equipment using same |
-
2013
- 2013-10-02 TW TW102218420U patent/TWM476266U/en unknown
- 2013-10-16 CN CN201320637767.6U patent/CN203587742U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515936A (en) * | 2013-10-02 | 2015-04-15 | 大同股份有限公司 | Discharge frequency domain sensing device and oil type transformer discharge diagnosis equipment using same |
| CN104515936B (en) * | 2013-10-02 | 2017-12-22 | 大同股份有限公司 | Discharge frequency domain sensing device and oil type transformer discharge diagnosis equipment using same |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM476266U (en) | 2014-04-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205404738U (en) | High tension cable annex partial discharge detector device | |
| CN104132610A (en) | Distribution network transformer low-voltage winding deformation belt electric detection device and method | |
| CN104851581B (en) | A kind of high accuracy number amount output electronic current mutual inductor | |
| CN208765855U (en) | A kind of passive and wireless temperature transducer | |
| CN113985223A (en) | Multi-parameter intelligent identification system of high-voltage dry-type sleeve and application | |
| CN103743993B (en) | A kind of method detecting deformation of transformer winding | |
| CN203259600U (en) | Near field measuring tool for electromagnetic field | |
| CN203587742U (en) | Discharging frequency domain sensing device and online discharging diagnosis and monitoring equipment for oil type transformer using same | |
| CN106093511A (en) | A kind of iron-core coil high-precision electronic insertion current transformer containing air gap | |
| CN211180070U (en) | High-voltage cable on-line partial discharge monitoring system | |
| CN203630283U (en) | Hand-held detection device used for cable insulation detection | |
| CN205507014U (en) | GIS partial discharge detector's UHF sensor | |
| CN203825145U (en) | Device for detecting partial discharge of terminal of on-site power cable | |
| CN102866329B (en) | GIS (Geographic Information System) local discharge monitoring device and method utilizing voltage sharing springs as detectors | |
| CN202383241U (en) | Ultrahigh-frequency sensor for detecting GIS partial discharge | |
| CN203465376U (en) | Electric power-used adaptive frequency-selection impedance partial discharge detector | |
| CN109374954B (en) | Novel transmission line parameter measurement test line | |
| CN203759170U (en) | Detecting device for winding insulation states of electromagnetic current transformer | |
| CN202502194U (en) | High voltage switch cabinet partial discharge on-line monitoring device | |
| CN105785246A (en) | Live-line detecting and on-line monitoring device used for ultrahigh-voltage power cable insulation diagnosis | |
| CN104515936B (en) | Discharge frequency domain sensing device and oil type transformer discharge diagnosis equipment using same | |
| CN102508124A (en) | Detection method of partial discharge of electrical equipment and device thereof | |
| KR102413919B1 (en) | Partial discharge monitoring system and patial discharge monitoring method | |
| CN208044005U (en) | A kind of local discharge signal detecting system | |
| CN201765301U (en) | Online monitor apparatus for partial discharge of transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140507 Effective date of abandoning: 20171222 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140507 Effective date of abandoning: 20171222 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |