CN205067665U - On -line monitoring system is put to vary voltage general ability - Google Patents
On -line monitoring system is put to vary voltage general ability Download PDFInfo
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- CN205067665U CN205067665U CN201520058114.1U CN201520058114U CN205067665U CN 205067665 U CN205067665 U CN 205067665U CN 201520058114 U CN201520058114 U CN 201520058114U CN 205067665 U CN205067665 U CN 205067665U
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Abstract
The utility model relates to a communication technology field indicates a monitoring system, especially an on -line monitoring system is put to vary voltage general ability. It includes the diagnostic analysis unit, the diagnostic analysis unit on be connected with the communication unit, be connected with a plurality of acquisition unit on this communication unit, be connected with a plurality of and the sensing unit that power converter is connected on every acquisition unit again, be connected with the different kinds of sensors of binding together of a plurality of on this sensing unit, be equipped with power module on the sensor. Compared with the prior art, utility model's advantage lies in: piezoelectric sensor avoids the magnetic noise unshakable in one's determination and the mechanical oscillation noise of transformer, and the hyperfrequency sensor has been not capacity coupled effect, but receives super high frequency signal's antenna. The diagnostic analysis unit can start multiple modules's operation simultaneously, realizes that the data between the different modules are refered to, communication unit mode variety also makes its data transfer's in -process be fit for all kinds of environment.
Description
Technical field
Utility model relates to communication technique field, refers to a kind of monitoring system, especially a kind of transformer partial discharge on-line monitoring system.
Background technology
Shelf depreciation is the one of the main reasons causing Electric Power Equipment Insulation deterioration, each electric discharge, the impact of high-energy electron or acceleration electronics, particularly long-term shelf depreciation effect all can cause physical influence and the chemical reaction of various ways, during as charging point shock bubble outer wall, just may interrupt the chemical bond of medium, destroy the molecular structure of medium, cause insulation degradation, accelerate insulation damages process.Likely cause equipment failure time serious, even have influence on the normal operation of electrical network.
In a complicated electrical equipment, occurring in the electric discharge of different parts, is different to the destruction of insulation.Shelf depreciation is accurately located thus Accurate Determining discharge capacity, judge its to insulation harm for power equipment safeguard, improve product design and technique etc. all have great importance.Therefore, no matter partial discharge monitoring, as detecting transformer insulated a kind of effective means, is etection theory or detection technique, all achieves larger development in recent years, and be applied in power plant and power station.Although existing detection has possessed more function, the diversity realizing on-line testing is perfect not enough, and the approach of usual on-line testing is more single, cannot meet the demand of all kinds of environment.
Utility model content
The object of utility model is for the problems referred to above, provides a kind of collecting test signal variation, compact conformation, good reliability, the transformer partial discharge on-line monitoring system that antijamming capability is strong.
For achieving the above object, utility model have employed following technical proposal: transformer partial discharge on-line monitoring system, it is characterized in that, comprise diagnostic analysis unit, described diagnostic analysis unit is connected with communication unit, this communication unit is connected with several collecting units, each collecting unit is connected with again several sensing units be connected with power transformation device, this sensing unit is connected with several dissimilar sensors bundled, covers disposed on sensor has power module;
Collecting unit: Frequency Band Selection, High frequency amplification, the detecting way selection circuit that can control the power supply in sensing unit, different probe, the echo information of detected object inside is scanned and converts digital signal to, after further process, storage, then give diagnostic analysis unit;
Diagnostic analysis unit: directly can connect display, judges, or by setting the parameter appraised and decided, obtaining corresponding parameter check by collecting unit between artificial, so judge whether qualified.
In above-mentioned a kind of transformer partial discharge on-line monitoring system, described diagnostic analysis unit comprises ultrasound examination module, electric pulse detection module, ultra-high-frequency detection module.
In above-mentioned a kind of transformer partial discharge on-line monitoring system, described sensor includes ultrasonic sensor, and this ultrasonic sensor is piezoelectric sensor.
In above-mentioned a kind of transformer partial discharge on-line monitoring system, described sensor includes piezoelectric sensor, and frequency range is 70 ~ 150kHz.
Preferably, described piezoelectric sensor frequency range is 90 ~ 120kHz.
In above-mentioned a kind of transformer partial discharge on-line monitoring system, described sensor includes pulses of current sensor.
In above-mentioned a kind of transformer partial discharge on-line monitoring system, described sensor includes uhf sensor, and frequency range is 300 ~ 3000MHz.
Preferably, described sensor is uhf sensor, and frequency range is 500 ~ 2500MHz.
In above-mentioned a kind of transformer partial discharge on-line monitoring system, in described communication unit, be provided with the receiver that can receive uhf sensor.
In above-mentioned a kind of transformer partial discharge on-line monitoring system, described communication unit support is based on the network communication mode of optical fiber; Support power line carrier, PLC mode; Support of wireless communication; Address established by communication unit energy software, just can export data when receiving the machine address, directly can connect various single-chip microcomputer and use, realize software programming; Communication unit receives logarithmic output signal certificate to data acquisition unit.
Compared with prior art, the advantage of utility model is: adopt different types by sensor, can realize the variation of Information Monitoring, plays the multi-ensuring to On Line PD Monitoring of Transformer; Adopt multiple acquisition mode antijamming capability strong simultaneously; Piezoelectric sensor avoids magnetic noise unshakable in one's determination and the mechanical vibration noise of transformer; And uhf sensor has been not capacity coupled effect, but receive the antenna of ultra-high frequency signal.Diagnostic analysis unit can start the computing of multiple module simultaneously, realizes the data reference between disparate modules; Communication unit mode diversity, is applicable to all kinds of environment in the process also making its data transmit.
Accompanying drawing explanation
In order to be illustrated more clearly in utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the module diagram of utility model.
Embodiment
Below in conjunction with the accompanying drawing in utility model embodiment, be clearly and completely described the technical scheme in utility model embodiment, obviously, described embodiment is only utility model part embodiment, instead of whole embodiments.Based on the embodiment in utility model, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of utility model protection.
Embodiment 1
As shown in Figure 1, transformer partial discharge on-line monitoring system, comprises diagnostic analysis unit 1, and described diagnostic analysis unit comprises ultrasound examination module 2, electric pulse detection module 3, ultra-high-frequency detection module 4.Different collected signal can be detected by different modules, make it possess multiple monitoring function.Collecting unit: Frequency Band Selection, High frequency amplification, the detecting way selection circuit that can control the power supply in sensing unit, different probe, the echo information of detected object inside is scanned and converts digital signal to, after further process, storage, then give diagnostic analysis unit;
Diagnostic analysis unit: directly can connect display, judges, or by setting the parameter appraised and decided, obtaining corresponding parameter check by collecting unit between artificial, so judge whether qualified.Described diagnostic analysis unit is connected with communication unit 5, and described communication unit support is based on the network communication mode of optical fiber; Support power line carrier, PLC mode; Support of wireless communication.Address established by communication unit energy software, just can export data when receiving the machine address, directly can connect various single-chip microcomputer and use, realize software programming; Communication unit receives logarithmic output signal certificate to data acquisition unit.The receiver 6 that can receive uhf sensor is provided with in described communication unit.This communication unit is connected with several collecting units 7, each collecting unit is connected with again the sensing unit 8 that several are connected with power transformation device, this sensing unit is connected with the sensor that several are dissimilar.As; It is ultrasonic sensor 9 that sensing unit comprises sensor, and this ultrasonic sensor is piezoelectric sensor 10, and piezoelectric sensor frequency range is 70 ~ 150kHz.Preferably, described piezoelectric sensor frequency range is 90 ~ 120kHz; Sensing unit also comprises pulses of current sensor 11, uhf sensor 12 respectively.The frequency range of uhf sensor is 300 ~ 3000MHz.Preferably, described sensor is uhf sensor, and frequency range is 500 ~ 2500MHz.Various sensor bundles by sensing unit, and by inlaying between the housing of various sensor, make it form one, the end face of housing is connected with power module, and this power module is same provides power supply for each sensor.
Embodiment 2
As shown in Figure 1, transformer partial discharge on-line monitoring system, comprises diagnostic analysis unit 1, and described diagnostic analysis unit comprises ultrasound examination module 2, electric pulse detection module 3, ultra-high-frequency detection module 4.Different collected signal can be detected by different modules, make it possess multiple monitoring function.Collecting unit: Frequency Band Selection, High frequency amplification, the detecting way selection circuit that can control the power supply in sensing unit, different probe, the echo information of detected object inside is scanned and converts digital signal to, after further process, storage, then give diagnostic analysis unit; Diagnostic analysis unit: directly can connect display, judges, or by setting the parameter appraised and decided, obtaining corresponding parameter check by collecting unit between artificial, so judge whether qualified.Described diagnostic analysis unit is connected with communication unit 5, and described communication unit support is based on the network communication mode of optical fiber; Support power line carrier, PLC mode; Support of wireless communication.Address established by communication unit energy software, just can export data when receiving the machine address, directly can connect various single-chip microcomputer and use, realize software programming; Communication unit receives logarithmic output signal certificate to data acquisition unit.The receiver 6 that can receive uhf sensor is provided with in described communication unit.This communication unit is connected with several collecting units 7, each collecting unit is connected with again the sensing unit 8 that several are connected with power transformation device, this sensing unit is connected with the sensor that several are dissimilar.As; It is ultrasonic sensor 9 that sensing unit comprises sensor, and this ultrasonic sensor is piezoelectric sensor 10, and piezoelectric sensor frequency range is 150kHz.Preferably, described piezoelectric sensor frequency range is 120kHz; Sensing unit also comprises pulses of current sensor 11, uhf sensor 12 respectively.The frequency range of uhf sensor is 3000MHz.Preferably, described sensor is uhf sensor, and frequency range is 2500MHz.Various sensor bundles by sensing unit, and by inlaying between the housing of various sensor, make it form one, the end face of housing is connected with power module, and this power module is same provides power supply for each sensor.
Embodiment 3
As shown in Figure 1, transformer partial discharge on-line monitoring system, comprises diagnostic analysis unit 1, and described diagnostic analysis unit comprises ultrasound examination module 2, electric pulse detection module 3, ultra-high-frequency detection module 4.Different collected signal can be detected by different modules, make it possess multiple monitoring function.Collecting unit: Frequency Band Selection, High frequency amplification, the detecting way selection circuit that can control the power supply in sensing unit, different probe, the echo information of detected object inside is scanned and converts digital signal to, after further process, storage, then give diagnostic analysis unit; Diagnostic analysis unit: directly can connect display, judges, or by setting the parameter appraised and decided, obtaining corresponding parameter check by collecting unit between artificial, so judge whether qualified.Described diagnostic analysis unit is connected with communication unit 5, and described communication unit support is based on the network communication mode of optical fiber; Support power line carrier, PLC mode; Support of wireless communication.Address established by communication unit energy software, just can export data when receiving the machine address, directly can connect various single-chip microcomputer and use, realize software programming; Communication unit receives logarithmic output signal certificate to data acquisition unit.The receiver 6 that can receive uhf sensor is provided with in described communication unit.This communication unit is connected with several collecting units 7, each collecting unit is connected with again the sensing unit 8 that several are connected with power transformation device, this sensing unit is connected with the sensor that several are dissimilar.As; It is ultrasonic sensor 9 that sensing unit comprises sensor, and this ultrasonic sensor is piezoelectric sensor 10, and piezoelectric sensor frequency range is 100kHz.Preferably, described piezoelectric sensor frequency range is 100kHz; Sensing unit also comprises pulses of current sensor 11, uhf sensor 12 respectively.The frequency range of uhf sensor is 2500MHz.Preferably, described sensor is uhf sensor, and frequency range is 2000MHz.Various sensor bundles by sensing unit, and by inlaying between the housing of various sensor, make it form one, the end face of housing is connected with power module, and this power module is same provides power supply for each sensor.
Embodiment 4
As shown in Figure 1, transformer partial discharge on-line monitoring system, comprises diagnostic analysis unit 1, and described diagnostic analysis unit comprises ultrasound examination module 2, electric pulse detection module 3, ultra-high-frequency detection module 4.Different collected signal can be detected by different modules, make it possess multiple monitoring function.Collecting unit: Frequency Band Selection, High frequency amplification, the detecting way selection circuit that can control the power supply in sensing unit, different probe, the echo information of detected object inside is scanned and converts digital signal to, after further process, storage, then give diagnostic analysis unit; Diagnostic analysis unit: directly can connect display, judges, or by setting the parameter appraised and decided, obtaining corresponding parameter check by collecting unit between artificial, so judge whether qualified.Described diagnostic analysis unit is connected with communication unit 5, and described communication unit support is based on the network communication mode of optical fiber; Support power line carrier, PLC mode; Support of wireless communication.Address established by communication unit energy software, just can export data when receiving the machine address, directly can connect various single-chip microcomputer and use, realize software programming; Communication unit receives logarithmic output signal certificate to data acquisition unit.The receiver 6 that can receive uhf sensor is provided with in described communication unit.This communication unit is connected with several collecting units 7, each collecting unit is connected with again the sensing unit 8 that several are connected with power transformation device, this sensing unit is connected with the sensor that several are dissimilar.As; It is ultrasonic sensor 9 that sensing unit comprises sensor, and this ultrasonic sensor is piezoelectric sensor 10, and piezoelectric sensor frequency range is 140kHz.Preferably, described piezoelectric sensor frequency range is 110kHz; Sensing unit also comprises pulses of current sensor 11, uhf sensor 12 respectively.The frequency range of uhf sensor is 2500MHz.Preferably, described sensor is uhf sensor, and frequency range is 2400MHz.Various sensor bundles by sensing unit, and by inlaying between the housing of various sensor, make it form one, the end face of housing is connected with power module, and this power module is same provides power supply for each sensor.
The foregoing is only the preferred embodiment of utility model, not in order to limit utility model, within all spirit in utility model and principle, any amendment done, equivalent replacement, improvement etc., within the protection domain that all should be included in utility model.
Claims (9)
1. transformer partial discharge on-line monitoring system, it is characterized in that, comprise diagnostic analysis unit, described diagnostic analysis unit is connected with communication unit, this communication unit is connected with several collecting units, each collecting unit is connected with again several sensing units be connected with power transformation device, this sensing unit is connected with several dissimilar sensors bundled, covers disposed on sensor has power module;
Collecting unit: Frequency Band Selection, High frequency amplification, the detecting way selection circuit that can control the power supply in sensing unit, different probe, the echo information of detected object inside is scanned and converts digital signal to, after further process, storage, then give diagnostic analysis unit;
Diagnostic analysis unit: directly can connect display, judges, or by setting the parameter appraised and decided, obtaining corresponding parameter check by collecting unit between artificial, so judge whether qualified.
2. transformer partial discharge on-line monitoring system according to claim 1, is characterized in that, described diagnostic analysis unit comprises ultrasound examination module, electric pulse detection module, ultra-high-frequency detection module.
3. transformer partial discharge on-line monitoring system according to claim 1 and 2, is characterized in that, described sensor includes ultrasonic sensor, and this ultrasonic sensor is piezoelectric sensor.
4. transformer partial discharge on-line monitoring system according to claim 3, is characterized in that, described sensor includes piezoelectric sensor, and frequency range is 70 ~ 150kHz.
5. transformer partial discharge on-line monitoring system according to claim 4, is characterized in that, described piezoelectric sensor frequency range is 90 ~ 120kHz.
6. transformer partial discharge on-line monitoring system according to claim 5, is characterized in that, described sensor includes pulses of current sensor.
7. transformer partial discharge on-line monitoring system according to claim 6, is characterized in that, described sensor includes uhf sensor, and frequency range is 300 ~ 3000MHz.
8. the transformer partial discharge on-line monitoring system according to claim 6 or 7, is characterized in that, described sensor is uhf sensor, and frequency range is 500 ~ 2500MHz.
9. transformer partial discharge on-line monitoring system according to claim 8, is characterized in that, is provided with the receiver that can receive uhf sensor in described communication unit.
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| CN201520058114.1U CN205067665U (en) | 2015-01-28 | 2015-01-28 | On -line monitoring system is put to vary voltage general ability |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655993A (en) * | 2015-01-28 | 2015-05-27 | 杭州申昊科技股份有限公司 | Transformer partial discharge online monitoring system |
| CN107561426A (en) * | 2017-11-01 | 2018-01-09 | 浙江群力电气有限公司 | A kind of Partial Discharge Online Monitoring of Transformers system based on acooustic combination |
| CN107589356A (en) * | 2017-10-19 | 2018-01-16 | 桂林师范高等专科学校 | Transformer insulated property detection means |
-
2015
- 2015-01-28 CN CN201520058114.1U patent/CN205067665U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655993A (en) * | 2015-01-28 | 2015-05-27 | 杭州申昊科技股份有限公司 | Transformer partial discharge online monitoring system |
| CN107589356A (en) * | 2017-10-19 | 2018-01-16 | 桂林师范高等专科学校 | Transformer insulated property detection means |
| CN107561426A (en) * | 2017-11-01 | 2018-01-09 | 浙江群力电气有限公司 | A kind of Partial Discharge Online Monitoring of Transformers system based on acooustic combination |
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