CN105589023A - Electrical equipment partial discharge detection and alarm device - Google Patents
Electrical equipment partial discharge detection and alarm device Download PDFInfo
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- CN105589023A CN105589023A CN201410652566.2A CN201410652566A CN105589023A CN 105589023 A CN105589023 A CN 105589023A CN 201410652566 A CN201410652566 A CN 201410652566A CN 105589023 A CN105589023 A CN 105589023A
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Abstract
The present invention discloses an electrical equipment partial discharge detection and alarm device, comprising an ARM microcontroller module, a rechargeable battery, a power supply management circuit module, a crystal oscillator circuit module, a reset circuit module, a data storage circuit module, a CDMA wireless communication module, a wireless communication indicating lamp, a signal preprocessing module, an ultrahigh frequency sensor, a charging circuit and a battery level detection circuit module; wherein the input end of the ARM microcontroller module is connected with a clock circuit module and an ultrasonic sensor, the output end of the ARM microcontroller module is connected with a battery level indicating lamp, a buzzer alarm circuit module and a flash lamp. The electrical equipment partial discharge detection and alarm device of the present invention is high in integrated level , high in sensitivity, high in reliability, good in anti-interference capability, low in power dissipation, long in service life, high in stability, low in failure rate, low in maintenance cost, convenient in use and installation, and solves the defects such as poor real-time performance, poor reliability, high cost, poor stability, high failure rate and high maintenance cost in the prior art.
Description
Technical field
The partial discharge monitoring technical field that the invention belongs to power equipment, is specifically related to a kind of power equipmentPartial Discharge Detection and warning device.
Background technology
Along with the raising of power transmission and transformation electric pressure, the voltage of power equipment is more and more higher, to power equipmentInsulating properties require also more always higher. In these equipment, because electrode and insulating surface existDefect, wire external insulation loss or the reason such as aging may cause that power equipment is local to be amplified, if thisClass accident can not get timely processing, likely can cause finally puncturing and timeliness of insulation, even causesThe damage of power equipment, therefore, the partial discharge monitoring technology of power equipment is to find that in time accident is hiddenSuffer from, improve the important means of power supply reliability, research power equipment partial discharge monitoring technology toolThere is important meaning. But, power equipment shelf depreciation of the prior art also exist following defect andNot enough: (1) data acquisition transmission and processing time are more, real than actual signal length effective timeTime property is poor, and the processing time is long, and the discharge signal of processing a second arrived number minutes with tens of seconds, prominentThe property sent out electric discharge is easily missed, the poor reliability of monitoring; (2) realize cost high, poor stability, thereforeBarrier rate is high, and maintenance cost is high; (3) interference of monitoring field electrical noise is too large, but prior artInterference free performance is poor, is difficult to obtain real local discharge signal.
Summary of the invention
Technical problem to be solved by this invention is, for above-mentioned deficiency of the prior art, to provide onePlant power equipment Partial Discharge Detection and warning device, its integrated level is high, highly sensitive, and reliability is high,Antijamming capability is strong, low in energy consumption, long service life, and stability is high, failure rate is low, maintenance cost is low,Easy to install and use, solved that the existing real-time of prior art is poor, poor reliability, cost are high,Defect and the deficiencies such as poor stability, fault rate is high, maintenance cost is high.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of power equipment partDischarge examination and warning device, is characterized in that: comprise that inside is integrated with the ARM of A/D converter micro-Controller module, for device in each electricity consumption module provide the rechargeable battery of electric energy and with described rechargeable batteryThe electric power management circuit module of joining and managing for the electric energy that described rechargeable battery is exported, withAnd deposit with crystal oscillating circuit module, reset circuit module, data that described ARM micro controller module joinsStorage circuit module and cdma wireless communication module, be connected to channel radio in described cdma wireless communication moduleLetter indicator lamp, described electric power management circuit module is that the power supply of described ARM micro controller module power supply is returnedIn road, be in series with power switch, the input of described A/D converter is connected to for signal is amplifiedWith the signal pre-processing module of filtering processing, the input of described signal pre-processing module is connected to for adoptingThe superfrequency sensor of the electromagnetic signal that current collection power apparatus local discharge produces, described rechargeable batteryInput is connected to charging circuit, on described charging circuit, is connected to charging inlet, described rechargeable battery defeatedGo out termination and be useful on the battery power detection circuit module that the electric weight of described rechargeable battery is detected,The input phase of the output of described battery power detection circuit module and described ARM micro controller moduleConnect, the input of described ARM micro controller module is also connected to and is used to device that real-time clock signal is providedClock circuit module and for gathering the super of ultrasonic signal that power equipment shelf depreciation producesSonic sensor, the output of described ARM micro controller module is connected to for to described rechargeable batteryThe battery electric quantity indicator lamp that electric weight is indicated, for sending detecting after power equipment shelf depreciationThe buzzer alarm circuit module of audible ringing signal and for power equipment shelf depreciation being detectedAfter the flash flash lamp of alarm signal.
Above-mentioned a kind of power equipment Partial Discharge Detection and warning device, is characterized in that: described spyThe bandwidth of high frequency sensors is 300MHz～1500MHz.
Above-mentioned a kind of power equipment Partial Discharge Detection and warning device, is characterized in that: described ARMMicro controller module is ARM microcontroller chip AT91RM9200.
Above-mentioned a kind of power equipment Partial Discharge Detection and warning device, is characterized in that: when describedClock circuit module is mainly made up of clock chip DS1302.
Above-mentioned a kind of power equipment Partial Discharge Detection and warning device, is characterized in that: described nothingLine communication indicator lamp is green LED lamp.
Above-mentioned a kind of power equipment Partial Discharge Detection and warning device, is characterized in that: described electricityPond battery capacity indication lamp is bar-shaped LED lamp.
Above-mentioned a kind of power equipment Partial Discharge Detection and warning device, is characterized in that: described sudden strain of a muscleLight modulation is red flash lamp.
The present invention compared with prior art has the following advantages:
1. the present invention is simple in structure, reasonable in design, and it is convenient to realize.
2, due to when the power equipment generation shelf depreciation, not only can produce the high-frequency impulse signal of telecommunication,Also can be accompanied by cracker simultaneously and produce ultrasonic signal, therefore the present invention has adopted superfrequency sensorWith the combination of ultrasonic sensor, power equipment generation shelf depreciation is detected, integrated level is high,Can effectively avoid the impact of the interfering signals such as corona, overcome traditional partial discharge monitoring system anti-The shortcoming that interference performance is poor, has improved sensitivity, reliability and the antijamming capability of system greatly.
3. the superfrequency sensor of the ultrabroad band adopting in the present invention can chargedly be installed, and installsConvenient, high temperature resistant, long service life.
4. in the present invention, adopt ARM microcontroller chip AT91RM9200 to do data acquisition, gatheredJourney can be accomplished seamless in real time, even if the electric discharge that random time only occurs once also can be captured and recordCome, and can sound and report to the police and flashing light alarm, remind staff.
5. the present invention can be by storing data in data storage circuitry module, carries out data and amassTired, there is the fault type of electric discharge in intelligent decision, and Realtime Alerts, to the electric power such as transformer, reactorApparatus insulated situation is carried out continuous on-line monitoring.
6. of the present invention low in energy consumption, can reach service life more than 10 years, long service life, steadyQualitative height, failure rate is low, maintenance cost is low.
In sum, integrated level of the present invention is high, highly sensitive, and reliability is high, and antijamming capability is strong,Low in energy consumption, long service life, stability is high, failure rate is low, maintenance cost is low, easy to install and use,Solved that the existing real-time of prior art is poor, poor reliability, cost are high, poor stability, faultDefect and the deficiencies such as rate is high, maintenance cost is high.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Brief description of the drawings
Fig. 1 is schematic block circuit diagram of the present invention.
Description of reference numerals:
1-superfrequency sensor; 2-signal pre-processing module; 3-ARM micro controller module;
3-1-A/D converter; 4-rechargeable battery; 5-electric power management circuit module;
6-crystal oscillating circuit module; 7-reset circuit module; 8-data storage circuitry module;
9-cdma wireless communication module; 10-radio communication indicator lamp; 11-power switch;
12-flash lamp; 13-charging circuit; 14-charging inlet;
15-battery power detection circuit module; 16-clock circuit module;
17-ultrasonic sensor; 18-battery electric quantity indicator lamp;
19-buzzer alarm circuit module.
Detailed description of the invention
As shown in Figure 1, the present invention includes inside and be integrated with the ARM microcontroller of A/D converter 3-1Module 3, for device in each electricity consumption module provide the rechargeable battery 4 of electric energy and with described rechargeable battery 4The electric power management circuit module of joining and managing for the electric energy that described rechargeable battery 4 is exported5, and crystal oscillating circuit module 6, the reset circuit module of joining with described ARM micro controller module 37, data storage circuitry module 8 and cdma wireless communication module 9, described cdma wireless communication moduleOn 9, be connected to radio communication indicator lamp 10, described electric power management circuit module 5 is described ARM microcontrollerIn the current supply circuit that device module 3 is powered, be in series with power switch 11, described A/D converter 3-1's is defeatedEnter termination and be useful on signal is amplified and the signal pre-processing module 2 of filtering processing, described signalThe input of pretreatment module 2 is connected to the electromagnetic signal producing for gathering power equipment shelf depreciationSuperfrequency sensor 1, the input of described rechargeable battery 4 is connected to charging circuit 13, described chargingOn circuit 13, be connected to charging inlet 14, the output of described rechargeable battery 4 is connected to for filling describedThe battery power detection circuit module 15 that the electric weight of electricity battery 4 detects, described battery electric quantity detectsThe input of the output of circuit module 15 and described ARM micro controller module 3 joins, described ARMThe input of micro controller module 3 is also connected to the clock circuit that is used to device that real-time clock signal is providedModule 16 and for gathering the supersonic sensing of the ultrasonic signal that power equipment shelf depreciation producesDevice 17, the output of described ARM micro controller module 3 is connected to for the electricity to described rechargeable battery 4The amount battery electric quantity indicator lamp 18 of indicating, for sending detecting after power equipment shelf depreciationThe buzzer alarm circuit module 19 of audible ringing signal and for detecting that power equipment part putsThe flash lamp 12 of the alarm signal that flashes after electricity.
In the present embodiment, the bandwidth of described superfrequency sensor 1 is 300MHz～1500MHz. DescribedARM micro controller module 3 is ARM microcontroller chip AT91RM9200.
In the present embodiment, described clock circuit module 16 is mainly made up of clock chip DS1302.
In the present embodiment, described radio communication indicator lamp 10 is green LED lamp. Described battery electric quantityIndicator lamp 18 is bar-shaped LED lamp. Described flash lamp 12 is red flash lamp.
Due to when the power equipment generation shelf depreciation, not only can produce the high-frequency impulse signal of telecommunication, simultaneouslyAlso can be accompanied by cracker and produce ultrasonic signal, therefore the present invention has adopted superfrequency sensor 1 HeThe combination of ultrasonic sensor 17 detects power equipment generation shelf depreciation, electricity detectedAfter power equipment generation shelf depreciation, buzzer alarm circuit module 19 alarm signal of sounding, dodgesLight modulation 12 alarm signal that flashes, reminds staff to take in time corresponding measure in time.
The above, be only preferred embodiment of the present invention, not the present invention imposed any restrictions, allAny simple modification, change and the equivalence of above embodiment being done according to the technology of the present invention essenceStructural change, all still belongs in the protection domain of technical solution of the present invention.
Claims (7)
1. power equipment Partial Discharge Detection and a warning device, is characterized in that: comprise inner collectionBecome to have the ARM micro controller module (3) of A/D converter (3-1), be each electricity consumption module in deviceThe rechargeable battery (4) of electric energy is provided and joins with described rechargeable battery (4) and for to described chargingThe electric power management circuit module (5) that the electric energy of battery (4) output manages, and with described ARMCrystal oscillating circuit module (6), reset circuit module (7), number that micro controller module (3) joinsAccording to memory circuit module (8) and cdma wireless communication module (9), described cdma wireless communication mouldOn piece (9), be connected to radio communication indicator lamp (10), described electric power management circuit module (5) is instituteState in the current supply circuit of ARM micro controller module (3) power supply and be in series with power switch (11), instituteThe input of stating A/D converter (3-1) is connected to for signal being amplified and the letter of filtering processingNumber pretreatment module (2), the input of described signal pre-processing module (2) is connected to for gathering electricityThe superfrequency sensor (1) of the electromagnetic signal that power apparatus local discharge produces, described rechargeable battery(4) input is connected to charging circuit (13), and described charging circuit is connected to charging on (13)Mouthful (14), the output of described rechargeable battery (4) is connected to for to described rechargeable battery (4)The battery power detection circuit module (15) that electric weight detects, described battery power detection circuit mouldThe input of the output of piece (15) and described ARM micro controller module (3) joins, described ARMThe input of micro controller module (3) is also connected to the clock that is used to device that real-time clock signal is providedCircuit module (16) and for gathering the ultrasonic of ultrasonic signal that power equipment shelf depreciation producesWave sensor (17), the output of described ARM micro controller module (3) is connected to for to describedThe battery electric quantity indicator lamp (18) that the electric weight of rechargeable battery (4) is indicated, for detectingThe buzzer alarm circuit module (19) of the alarm signal of sounding after power equipment shelf depreciation and useThe flash lamp (12) of the alarm signal that flashes after power equipment shelf depreciation being detected.
2. according to a kind of power equipment Partial Discharge Detection claimed in claim 1 and warning device, itsBe characterised in that: the bandwidth of described superfrequency sensor (1) is 300MHz～1500MHz.
3. according to a kind of power equipment Partial Discharge Detection claimed in claim 1 and warning device, itsBe characterised in that: described ARM micro controller module (3) is ARM microcontroller chip AT91RM9200.
4. according to a kind of power equipment Partial Discharge Detection claimed in claim 1 and warning device, itsBe characterised in that: described clock circuit module (16) is mainly made up of clock chip DS1302.
5. according to a kind of power equipment Partial Discharge Detection claimed in claim 1 and warning device, itsBe characterised in that: described radio communication indicator lamp (10) is green LED lamp.
6. according to a kind of power equipment Partial Discharge Detection claimed in claim 1 and warning device, itsBe characterised in that: described battery electric quantity indicator lamp (18) is bar-shaped LED lamp.
7. according to a kind of power equipment Partial Discharge Detection claimed in claim 1 and warning device, itsBe characterised in that: described flash lamp (12) is red flash lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410652566.2A CN105589023A (en) | 2014-11-15 | 2014-11-15 | Electrical equipment partial discharge detection and alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410652566.2A CN105589023A (en) | 2014-11-15 | 2014-11-15 | Electrical equipment partial discharge detection and alarm device |
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| Publication Number | Publication Date |
|---|---|
| CN105589023A true CN105589023A (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410652566.2A Pending CN105589023A (en) | 2014-11-15 | 2014-11-15 | Electrical equipment partial discharge detection and alarm device |
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| CN (1) | CN105589023A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456143A (en) * | 2019-08-19 | 2019-11-15 | 三峡大学 | The transformer belt electricity condition detection device of survey is sentenced based on light current magnetic signal |
| CN111711678A (en) * | 2020-06-09 | 2020-09-25 | 重庆川仪自动化股份有限公司 | Large-scale mobile equipment state monitoring system and method based on Internet of things technology |
-
2014
- 2014-11-15 CN CN201410652566.2A patent/CN105589023A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456143A (en) * | 2019-08-19 | 2019-11-15 | 三峡大学 | The transformer belt electricity condition detection device of survey is sentenced based on light current magnetic signal |
| CN111711678A (en) * | 2020-06-09 | 2020-09-25 | 重庆川仪自动化股份有限公司 | Large-scale mobile equipment state monitoring system and method based on Internet of things technology |
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Application publication date: 20160518 |
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| WD01 | Invention patent application deemed withdrawn after publication |