CN204495907U - 10kV ring main unit wireless core phase instrument - Google Patents
10kV ring main unit wireless core phase instrument Download PDFInfo
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- CN204495907U CN204495907U CN201520176961.8U CN201520176961U CN204495907U CN 204495907 U CN204495907 U CN 204495907U CN 201520176961 U CN201520176961 U CN 201520176961U CN 204495907 U CN204495907 U CN 204495907U
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- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000000819 phase cycle Methods 0.000 abstract description 5
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- 238000012360 testing method Methods 0.000 description 4
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Abstract
The utility model relates to a kind of 10kV ring main unit wireless core phase instrument, comprises collector and Receiving Host, and the high-voltage signal collecting unit in collector, digital filtering unit, wireless transmitting unit connect successively.Receiving Host comprises radio receiving unit, amplifier unit, central processing unit, screen display unit, Audio Processing Unit, voice-output unit, radio receiving unit is connected with amplifier unit, central processing unit successively, central processing unit is connected with screen display unit and Audio Processing Unit respectively, and Audio Processing Unit is connected with voice-output unit.Collector gathers the system waveform of corresponding phase, the simulating signal of system waveform is converted into digital signal, wireless telecommunications are utilized digital signal to be sent, the digital signal received is converted into simulating signal by Receiving Host, two-way simulating signal to be compared process simultaneously, analyze the phase relation of two paths of signals, thus reach the object that 10kV ring main unit appraises and decides phase place and phase sequence.
Description
Technical field
The utility model relates to a kind of electric system 10kV distribution line field adjustable, particularly relates to a kind of 10kV ring main unit wireless core phase instrument, is mainly used in 10kV power transmission network ring main unit phase place and phase sequence check test, belongs to electric power application.
Background technology
In recent years along with the develop rapidly of electric system, power supply enterprise is for ensureing power supply reliability, the Local Area Network that distribution cable circuit must be set up based on different substation connects, and between this cable line connect adopt be that distribution line ring main unit is implemented, this equipment with protection against electric shock latch performance, only after the grounding switch that closes, just can open ring main unit cabinet door.Without the nuclear phase instrument and equipment be suitable for when the nuclear phase operation of this type is carried out in current domestic existence, if nuclear phase operation in violation of rules and regulations, there is serious equipment failure and personal injury hidden danger.
Summary of the invention
The utility model is for above-mentioned problems of the prior art; provide a kind of 10kV ring main unit wireless core phase instrument; solve 10kV power transmission network ring main unit phase place and phase sequence check test problem, protection ensures power system security reliability service and thorough Elimination test personnel personal safety hidden danger.
The technical solution of the utility model is as follows:
Instrument comprises collector and Receiving Host, adopts wireless encoding and frequency division signal transmission between collector and Receiving Host; Described collector comprises high-voltage signal collecting unit, digital filtering unit and wireless transmitting unit, and high-voltage signal collecting unit, digital filtering unit are connected successively with wireless transmitting unit; Described Receiving Host comprises radio receiving unit, amplifier unit, central processing unit, screen display unit, Audio Processing Unit, voice-output unit, radio receiving unit is connected with amplifier unit, central processing unit successively, central processing unit is connected with screen display unit and Audio Processing Unit respectively, and Audio Processing Unit is connected with voice-output unit.
The simulating signal of system waveform is converted into digital signal by described high-voltage signal collecting unit, utilizes wireless telecommunications digital signal to be sent.
Described digital filtering unit adopts Interference Cancellation, high-speed frequency-hopping and time division multiple access (TDMA), prevents the strong electromagnetic in nuclear phase operation process and transmission.
The simulating signal of system waveform is converted into digital signal by described wireless transmitting unit, utilizes wireless telecommunications digital signal to be sent.
The digital signal received is converted into simulating signal by described radio receiving unit again.
Two-way simulating signal is compared process by described central processing unit, analyzes the phase relation of two paths of signals.
The utility model has the advantages of as follows:
1, the nuclear phase work of 10kV ring main unit is adapted to.
2, adopt high voltage induction formula nuclear phase technology, the contact of isolated tester and high-tension apparatus, in nuclear phase process, has reliable high voltage electrical safe distance, guarantees personal safety and device security.
3, entirely intelligent, simple to operate, convenient, multiple functional.Low-power consumption, operation interface is directly perceived, Chinese character and digital double display.
4, directly phase angle is shown, quantified system analysis ruuning situation.
5, possess intelligent voice system, instruct nuclear phase overall process.
6, realize phase sequence to measure.
7, the wireless measurement of phase place and phase sequence between the parallel outlet of ring main unit is realized.
Accompanying drawing explanation
Fig. 1 is structural principle schematic block diagram of the present utility model.
Fig. 2 is that 10kV ring main unit private radio nuclear phase instrument measures wiring schematic diagram.
Embodiment
Referring to accompanying drawing, in conjunction with specific embodiments, the utility model is described in detail
.
Embodiment
As shown in Figure 1, instrument comprises: collector and Receiving Host two large divisions, adopts wireless encoding and frequency division signal transmission technology between collector and Receiving Host, and anti-highfield, high-intensity magnetic field disturb, and improves data accuracy.Wherein collector comprises high-voltage signal collecting unit, digital filtering unit, wireless transmitting unit, and high-voltage signal collecting unit, digital filtering unit, wireless transmitting unit connect successively.Receiving Host comprises radio receiving unit, amplifier unit, central processing unit, screen display unit, Audio Processing Unit, voice-output unit, wherein radio receiving unit is connected with amplifier unit, central processing unit successively, central processing unit is connected with screen display unit and Audio Processing Unit respectively, and Audio Processing Unit is connected with voice-output unit.
High-voltage signal collecting unit in described instrument collector, is converted into digital signal by the simulating signal of system waveform, utilizes wireless telecommunications digital signal to be sent.Digital filtering unit in described instrument collector, adopts the technology such as Interference Cancellation, high-speed frequency-hopping and time division multiple access (TDMA), effectively prevents the strong electromagnetic in nuclear phase operation process and transmission.The simulating signal of system waveform is converted into digital signal by the wireless transmitting unit in described instrument collector, utilizes wireless communication technique, digital signal is sent.In described Receiving Host, the digital signal received is converted into simulating signal by radio receiving unit again.Digital signal is converted into simulating signal by described Receiving Host central processing unit, process of two-way simulating signal being compared, and analyzes the phase relation of two paths of signals.
As shown in Figure 2, method of testing of the present utility model comprises the steps:
The collector unit of instrument is utilized to gather the system waveform of electric system corresponding phase, again the simulating signal of system waveform is converted into digital signal, utilize wireless communication technique, digital signal is sent, the digital signal received is converted into simulating signal by Receiving Host receiving trap and central processing unit again, two-way simulating signal to be compared process simultaneously, analyze the phase relation of two paths of signals; Completed display by screen display unit and speech processes, output unit, reported test result.
Claims (6)
1.10kV ring main unit wireless core phase instrument, is characterized in that comprising collector and Receiving Host, adopts wireless encoding and frequency division signal transmission between collector and Receiving Host; Described collector comprises high-voltage signal collecting unit, digital filtering unit and wireless transmitting unit, and high-voltage signal collecting unit, digital filtering unit are connected successively with wireless transmitting unit; Described Receiving Host comprises radio receiving unit, amplifier unit, central processing unit, screen display unit, Audio Processing Unit, voice-output unit, radio receiving unit is connected with amplifier unit, central processing unit successively, central processing unit is connected with screen display unit and Audio Processing Unit respectively, and Audio Processing Unit is connected with voice-output unit.
2. 10kV ring main unit wireless core phase instrument according to claim 1, is characterized in that the simulating signal of system waveform is converted into digital signal by described high-voltage signal collecting unit, utilizes wireless telecommunications digital signal to be sent.
3. 10kV ring main unit wireless core phase instrument according to claim 1, is characterized in that described digital filtering unit adopts Interference Cancellation, high-speed frequency-hopping and time division multiple access (TDMA), prevents the strong electromagnetic in nuclear phase operation process and transmission.
4. 10kV ring main unit wireless core phase instrument according to claim 1, is characterized in that the simulating signal of system waveform is converted into digital signal by described wireless transmitting unit, utilizes wireless telecommunications digital signal to be sent.
5. 10kV ring main unit wireless core phase instrument according to claim 1, is characterized in that the digital signal received is converted into simulating signal by described radio receiving unit again.
6. 10kV ring main unit wireless core phase instrument according to claim 1, is characterized in that two-way simulating signal is compared process by described central processing unit, analyzes the phase relation of two paths of signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520176961.8U CN204495907U (en) | 2015-03-26 | 2015-03-26 | 10kV ring main unit wireless core phase instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520176961.8U CN204495907U (en) | 2015-03-26 | 2015-03-26 | 10kV ring main unit wireless core phase instrument |
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| CN204495907U true CN204495907U (en) | 2015-07-22 |
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| CN201520176961.8U Active CN204495907U (en) | 2015-03-26 | 2015-03-26 | 10kV ring main unit wireless core phase instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730340A (en) * | 2015-03-26 | 2015-06-24 | 国网辽宁省电力有限公司抚顺供电公司 | 10 kV ring main unit wireless phase checking instrument and test method |
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2015
- 2015-03-26 CN CN201520176961.8U patent/CN204495907U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730340A (en) * | 2015-03-26 | 2015-06-24 | 国网辽宁省电力有限公司抚顺供电公司 | 10 kV ring main unit wireless phase checking instrument and test method |
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