CN201425612Y - Wireless high voltage digital phase-checking instrument - Google Patents
Wireless high voltage digital phase-checking instrument Download PDFInfo
- Publication number
- CN201425612Y CN201425612Y CN2009200409785U CN200920040978U CN201425612Y CN 201425612 Y CN201425612 Y CN 201425612Y CN 2009200409785 U CN2009200409785 U CN 2009200409785U CN 200920040978 U CN200920040978 U CN 200920040978U CN 201425612 Y CN201425612 Y CN 201425612Y
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- voltage
- digital phase
- wireless high
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Abstract
The utility model discloses a wireless high voltage digital phase-checking instrument, which comprises a host for receiving signals, and an X collector and a Y collector for emitting signals, whereinthe X and the Y collectors are provided with collecting heads and telescopic insulating operating rods, transmission circuits are arranged in the X and the Y collectors, and a comparison processing circuit is arranged in the host. The utility model is characterized in that the transmission circuit comprises a partial voltage amplitude limiting circuit, a filter, a voltage adjusting circuit, a cycle\voltage switching circuit, a modulator and antennas, which are sequentially connected, and further comprises a power control circuit which is respectively connected with a voltage detection circuit,a radio frequency oscillator and the cycle\voltage switching circuit, the voltage detection circuit is connected with the voltage adjusting circuit, and the radio frequency oscillator is connected with the modulator. The wireless high voltage digital phase-checking instrument can realize the phase checking of high voltage lines, and can improve the anti-interference performance of the signals.
Description
Technical field
The utility model relates to a kind of phase bit check of power circuit, electric substation's electrical equipment and wireless high-voltage digital phase-checking instrument of phase sequence verification of being applied to, and belongs to the electric test apparatus field.
Background technology
At present, the high voltage long-distance transmission line mostly adopts three-phase alternating current system both at home and abroad, electric substation after newly-built, renovating and enlarging and transmission line of electricity, and finish at line maintenance, before the user send electricity, all must carry out the test of three-phase line nuclear phase, to guarantee that the transmission line of electricity phase sequence is consistent with the desired phase sequence of user's threephase load, correct nuclear phase is the assurance of safety utilization of electric power.If the nuclear phase mistake is gently then burnt load, cause line outage when serious, cause enormous economic loss.Along with the raising of line voltage distribution grade, system becomes increasingly complex, and makes that the nuclear phase operation is more and more important.
The patent No. is that the utility model application of 03246262.X discloses a kind of numeral demonstration nuclear phase instrument, comprise the master, secondary two test bars and testing circuit, comprise sample circuit in the testing circuit, rectification circuit, digital display circuit, also comprise input circuit in the testing circuit, filter comparator circuit and small-signal cut-off circuit, the input end of input circuit links to each other with the output terminal of rectification circuit, the output terminal of input circuit links to each other with the input end of digital display circuit, the input end that filters comparator circuit links to each other with the output terminal of input circuit, one termination of small-signal cut-off circuit is gone into input circuit, and the other end links to each other with the output terminal that filters comparator circuit.But the antijamming capability that this numeral shows nuclear phase instrument is limited.
The utility model content
Technical problem to be solved in the utility model provides a kind of simple to operate, and the strong digital nuclear phase instrument of antijamming capability.
For solving the problems of the technologies described above, the utility model provides a kind of wireless high-voltage digital phase-checking instrument, comprise main frame that is used for received signal and the X collector that is used to transmit, the Y collector, described X collector and Y collector have collection head and scalable insulating bar, be provided with radiating circuit in described X collector and the Y collector, be provided with the comparison process circuit in the main frame, it is characterized in that: described radiating circuit comprises the dividing potential drop amplitude limiter circuit, wave filter, the voltage circuit of adjusting, cycle voltage conversion circuit, modulator also links to each other successively with antenna, also comprise power control circuit, described power control circuit respectively with voltage detecting circuit, radio-frequency oscillator and cycle voltage conversion circuit link to each other, described voltage detecting circuit and the voltage circuit of adjusting links to each other, and described radio-frequency oscillator links to each other with modulator;
Comparison process circuit in the described main frame comprises microprocessor, being used to receive the antenna that the X collector sends signal links to each other with the X radio frequency amplifier, insert multiplier through the detuner and first shaping circuit, being used to receive the antenna that the Y collector sends signal links to each other with the Y radio frequency amplifier, insert multiplier through detuner and second shaping circuit, and link to each other by correcting circuit between first shaping circuit and second shaping circuit.
The beneficial effect that the utility model reached: wireless high-voltage digital phase-checking instrument of the present utility model, owing in collector, be provided with dividing potential drop amplitude limiter circuit and wave filter, shaping circuit is set in main frame, so can realize high-tension line is carried out nuclear phase, and the antijamming capability of signal is improved.
Description of drawings
Fig. 1 is that the circuit of X collector of the present utility model or Y collector constitutes synoptic diagram;
Fig. 2 is that the circuit of main frame of the present utility model constitutes synoptic diagram.
Embodiment
The utility model provides a kind of wireless high-voltage digital phase-checking instrument, comprise main frame that is used for received signal and the X collector that is used to transmit, the Y collector, the collection head of described X collector and Y collection equipment and scalable insulating bar, be provided with radiating circuit in described X collector and the Y collector, be provided with the comparison process circuit in the main frame, it is characterized in that: described radiating circuit comprises the dividing potential drop amplitude limiter circuit, wave filter, the voltage circuit of adjusting, cycle voltage conversion circuit, modulator also links to each other successively with antenna, also comprise power control circuit, described power control circuit respectively with voltage detecting circuit, radio-frequency oscillator and cycle voltage conversion circuit link to each other, described voltage detecting circuit and the voltage circuit of adjusting links to each other, and described radio-frequency oscillator links to each other with modulator;
Comparison process circuit in the described main frame comprises microprocessor, being used to receive the antenna that the X collector sends signal links to each other with the X radio frequency amplifier, insert multiplier through the detuner and first shaping circuit, being used to receive the antenna that the Y collector sends signal links to each other with the Y radio frequency amplifier, insert multiplier through detuner and second shaping circuit, and link to each other by correcting circuit between first shaping circuit and second shaping circuit.
Described collection head is pin type or coupling type.
Described main frame also comprises the communication interface that links to each other with microprocessor, and described communication interface is used for carrying out communication with external data;
Described main frame also comprises LCD display, and described microprocessor links to each other with LCD display by lcd controller, is used for the result of display nuclear phase, comprising: phase place is identical or inequality, and phase difference value.
Microprocessor in the described main frame also links to each other with the power conversion control circuit, and described power conversion control circuit and direct supply join.
Power control circuit and direct supply in described X collector and the Y collector join.
Direct supply in the described main frame is the 9V battery, and the direct supply in X collector and the Y collector is 5 joint 1.5V batteries.
The foregoing description does not limit the utility model in any form, and all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drop in the protection domain of the present utility model.
Claims (7)
1. wireless high-voltage digital phase-checking instrument, comprise main frame that is used for received signal and the X collector that is used to transmit, the Y collector, described X collector and Y collector have collection head and scalable insulating bar, be provided with radiating circuit in described X collector and the Y collector, be provided with the comparison process circuit in the main frame, it is characterized in that: described radiating circuit comprises the dividing potential drop amplitude limiter circuit, wave filter, the voltage circuit of adjusting, cycle voltage conversion circuit, modulator also links to each other successively with antenna, also comprise power control circuit, described power control circuit respectively with voltage detecting circuit, radio-frequency oscillator and cycle voltage conversion circuit link to each other, described voltage detecting circuit and the voltage circuit of adjusting links to each other, and described radio-frequency oscillator links to each other with modulator;
Comparison process circuit in the described main frame comprises microprocessor, being used to receive the antenna that the X collector sends signal links to each other with the X radio frequency amplifier, insert multiplier through the detuner and first shaping circuit, being used to receive the antenna that the Y collector sends signal links to each other with the Y radio frequency amplifier, insert multiplier through detuner and second shaping circuit, and link to each other by correcting circuit between first shaping circuit and second shaping circuit.
2. wireless high-voltage digital phase-checking instrument according to claim 1 is characterized in that: described collection head is pin type or coupling type.
3. wireless high-voltage digital phase-checking instrument according to claim 1 and 2 is characterized in that: described main frame also comprises LCD display, and described microprocessor links to each other with LCD display by lcd controller.
4. wireless high-voltage digital phase-checking instrument according to claim 1 and 2 is characterized in that: the microprocessor in the described main frame also links to each other with the power conversion control circuit, and described power conversion control circuit and direct supply join.
5. wireless high-voltage digital phase-checking instrument according to claim 1 and 2 is characterized in that: power control circuit and direct supply in described X collector and the Y collector join.
6. wireless high-voltage digital phase-checking instrument according to claim 4 is characterized in that: the direct supply in the described main frame is the 9V battery.
7. wireless high-voltage digital phase-checking instrument according to claim 5 is characterized in that: the direct supply in X collector and the Y collector is 5 joint 1.5V batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200409785U CN201425612Y (en) | 2009-04-13 | 2009-04-13 | Wireless high voltage digital phase-checking instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200409785U CN201425612Y (en) | 2009-04-13 | 2009-04-13 | Wireless high voltage digital phase-checking instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201425612Y true CN201425612Y (en) | 2010-03-17 |
Family
ID=42025065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200409785U Expired - Lifetime CN201425612Y (en) | 2009-04-13 | 2009-04-13 | Wireless high voltage digital phase-checking instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201425612Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955078A (en) * | 2012-10-25 | 2013-03-06 | 湖州电力局 | Novel alternating-current nuclear phase circuit |
-
2009
- 2009-04-13 CN CN2009200409785U patent/CN201425612Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955078A (en) * | 2012-10-25 | 2013-03-06 | 湖州电力局 | Novel alternating-current nuclear phase circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100317 |