CN212514796U - Dual-power online nuclear phase detection device - Google Patents
Dual-power online nuclear phase detection device Download PDFInfo
- Publication number
- CN212514796U CN212514796U CN202020530302.0U CN202020530302U CN212514796U CN 212514796 U CN212514796 U CN 212514796U CN 202020530302 U CN202020530302 U CN 202020530302U CN 212514796 U CN212514796 U CN 212514796U
- Authority
- CN
- China
- Prior art keywords
- phase
- bus
- section
- nuclear
- phase detection
- 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.)
- Active
Links
Images
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model relates to an online nuclear phase detection device of dual supply, indicate detect section, two-section generating line high voltage electricity including one section generating line high voltage electricity and indicate detect section and nuclear phase to indicate the part. The high-voltage live indication detection part of the section of bus comprises a first phase detection end of the section of bus, a second phase detection end of the section of bus, a third phase detection end of the section of bus and a grounding end of the section of bus. The two-section bus high-voltage live indication detection part comprises a two-section bus first phase detection end, a two-section bus second phase detection end, a two-section bus third phase detection end and a two-section bus grounding end. The nuclear phase indicating part comprises a first phase nuclear phase indicator light, a second phase nuclear phase indicator light and a third phase nuclear phase indicator light. The utility model discloses make nuclear phase detection easy operation convenient, safe rapid to can audio-visual observation power phase place change condition.
Description
Technical Field
The utility model relates to an online nuclear phase technical field especially relates to an online nuclear phase detection device of dual supply.
Background
The nuclear phase is high-voltage live-line operation, high-voltage electric shock danger is caused to nuclear phase personnel, the nuclear phase preparation work is complex, the requirement on the operation capability of the personnel is high, and a professional instrument is needed. The conventional nuclear phase is that a high-voltage switch needs to be pulled out from a bus connection switch, a baffle of a high-voltage switch bin is opened and fixed, the operations have electric shock risks, and power failure operation is needed for safety, so that the trouble of repeated power failure and power transmission exists; when the grid-connected nuclear phase is operated, the handheld nuclear phase device is not used properly, and the wiring for connecting the nuclear phase device is incorrect, so that electric shock and interphase or ground discharge danger exist; the other method is to carry out secondary phase checking through a high-voltage live indicating device with an electricity checking hole, but two sections of secondary voltages need to be detected during each phase checking, the observation is not visual, and the bus needs to be detected again after the power supply source is changed, so that the bus is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an online nuclear phase detection device of dual supply is provided, make nuclear phase detection easy operation convenient, safe rapid to can audio-visual observation power phase place situation of change.
The utility model provides a technical scheme that its technical problem adopted is: the dual-power online nuclear phase detection device comprises a first section of bus high-voltage live indication detection part, a second section of bus high-voltage live indication detection part and a nuclear phase indication part, wherein the first section of bus high-voltage live indication detection part comprises a first section of bus phase detection end, a second section of bus phase detection end, a third section of bus phase detection end and a grounding end of a section of bus; the first phase detection end of the first section of bus and the first phase indicator light of the first section of bus are connected in parallel, the second phase detection end of the first section of bus and the first phase indicator light of the first section of bus are connected in parallel, and the third phase detection end of the first section of bus and the first phase indicator light of the first section of bus are connected in parallel; the two-section bus high-voltage live indication detection part comprises a two-section bus first phase detection end, a two-section bus second phase detection end, a two-section bus third phase detection end and a two-section bus grounding end; the grounding end of the second-section bus is grounded, a first capacitor of the second-section bus and a first phase indicator lamp of the second-section bus which are connected in parallel are connected between the first phase detection end of the second-section bus and the grounding end of the second-section bus, a second capacitor of the second-section bus and a second phase indicator lamp of the second-section bus which are connected in parallel are connected between the second phase detection end of the second-section bus and the grounding end of the second-section bus, and a third capacitor of the second-section bus and a third phase indicator lamp of the second-section bus which are connected in parallel are connected between the third phase detection; the nuclear phase indicating part comprises a first phase nuclear phase indicating lamp, a second phase nuclear phase indicating lamp and a third phase nuclear phase indicating lamp, the first phase nuclear phase indicating lamp is connected between a first phase detecting end of the first section of the bus and a first phase detecting end of the second section of the bus, the second phase nuclear phase indicating lamp is connected between a second phase detecting end of the first section of the bus and a second phase detecting end of the second section of the bus, and the third phase nuclear phase indicating lamp is connected between a third phase detecting end of the first section of the bus and a third phase detecting end of the second section of the bus
The branch circuit where the first phase indicator lamp of the section of bus is located is connected with a first phase resistor of the section of bus in series, the branch circuit where the second phase indicator lamp of the section of bus is located is connected with a second phase resistor of the section of bus in series, and the branch circuit where the third phase indicator lamp of the section of bus is located is connected with a third phase resistor of the section of bus in series.
The branch circuit where the first phase indicator lamp of the second-section bus is located is connected with a first phase resistor of the second-section bus in series, the branch circuit where the second phase indicator lamp of the second-section bus is located is connected with a second phase resistor of the second-section bus in series, and the branch circuit where the third phase indicator lamp of the second-section bus is located is connected with a third phase resistor of the second-section bus in series.
The phase-locked loop comprises a first phase detection end of a first section of bus, a second phase detection end of a second section of bus, a third phase detection end of a third section of bus, a third phase nuclear phase resistor and a third phase nuclear phase indicator lamp, wherein the first phase nuclear phase resistor is connected with the first phase nuclear phase indicator lamp in series and is arranged between the first phase detection end of the first section of bus and the first phase detection end of the second section of bus, the second phase detection end of the first section of bus and the second phase detection end of the second section of bus are connected with the second phase nuclear phase indicator lamp in series and are connected with the third phase nuclear phase indicator lamp in series and are arranged between the third.
Advantageous effects
Since the technical scheme is used, compared with the prior art, the utility model, have following advantage and positive effect: the utility model discloses whether the accessible is observed each pilot lamp indicating condition convenient and fast and judge two sections generating lines and possess the condition side by side when two sections normal power supply generating lines of inspection, avoided direct and a high pressure contact and the various danger that probably produce, make nuclear phase detection easy operation convenient, safe rapid. And simultaneously, through the utility model discloses still can observe two sections bus power phase place change circumstances at any time, whether possess the condition side by side and show directly perceivedly, indirectly reach the purpose of a high-voltage circuit nuclear phase. Meanwhile, when the power supply source of the bus is changed, the device can intuitively, simply and quickly judge whether the two sections of buses have parallel conditions or not after the newly supplied bus is powered on.
Drawings
Fig. 1 is a schematic view of a panel of the present invention;
FIG. 2 is an internal schematic diagram of the present invention;
fig. 3 is a schematic diagram of the application of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The utility model discloses an embodiment relates to an online nuclear phase detection device of dual supply, indicate detect section, two-section generating line high voltage electricity including one section generating line high voltage electricity and indicate detect section and nuclear phase indicating part. The high-voltage live indication detection part of the section of bus comprises a first phase detection end of the section of bus, a second phase detection end of the section of bus, a third phase detection end of the section of bus and a grounding end of the section of bus. The two-section bus high-voltage live indication detection part comprises a two-section bus first phase detection end, a two-section bus second phase detection end, a two-section bus third phase detection end and a two-section bus grounding end. The nuclear phase indicating part comprises a first phase nuclear phase indicator light, a second phase nuclear phase indicator light and a third phase nuclear phase indicator light.
The panel is composed as shown in fig. 1, holes above a first phase indicator lamp 1L1, a second phase indicator lamp 1L2 and a third phase indicator lamp 1L3 of a section of bus are a first phase detection end, a second phase detection end and a third phase detection end of a section of bus, and a hole above 1PE is a grounding end of a section of bus; holes above the first phase indicator lamp 2L1, the second phase indicator lamp 2L2 and the third phase indicator lamp 2L3 of the second segment of bus are a first phase detection end, a second phase detection end and a third phase detection end of the second segment of bus, and a hole above 2PE is a grounding end of the second segment of bus; the first phase nucleus phase indicator lamp L1 is arranged between the first phase indicator lamp 1L1 of the first section of the bus and the phase lamp of the first phase indicator lamp 2L1 of the second section of the bus, the second phase nucleus phase indicator lamp L2 is arranged between the second phase indicator lamp 1L2 of the first section of the bus and the phase lamp of the second phase indicator lamp 2L2 of the second section of the bus, and the third phase nucleus phase indicator lamp L3 is arranged between the third phase indicator lamp 1L3 of the first section of the bus and the phase lamp of the third phase indicator lamp 2L3 of the second section of the bus. The device connecting wires are connected in a split-phase and color-separated mode according to national standard, the grounding wire is yellow green, the L1 phase is yellow line, the L2 phase is green line, and the L3 phase is red line.
As shown in fig. 2, the first segment of bus ground (4# terminal) is grounded, a first capacitor and a first phase indicator 1L1 connected in parallel are connected between the first phase detection end (1# terminal) and the first segment of bus ground (4# terminal), a second capacitor and a second phase indicator 1L2 connected in parallel are connected between the second phase detection end (2# terminal) and the first segment of bus ground (4# terminal), and a third capacitor and a third phase indicator 1L3 connected in parallel are connected between the third phase detection end (3# terminal) and the first segment of bus ground (4# terminal). A section of bus first phase resistor is connected in series on a branch where the first phase indicator lamp 1L1 of the first section of bus is located, a section of bus second phase resistor is connected in series on a branch where the second phase indicator lamp 1L2 of the first section of bus is located, and a section of bus third phase resistor is connected in series on a branch where the third phase indicator lamp 1L3 of the first section of bus is located.
The two-section bus grounding end (8# terminal) is grounded, a two-section bus first capacitor and a two-section bus first phase indicator lamp 2L1 which are connected in parallel are connected between the two-section bus first phase detection end (5# terminal) and the two-section bus grounding end (8# terminal), a two-section bus second capacitor and a two-section bus second phase indicator lamp 2L2 which are connected in parallel are connected between the two-section bus second phase detection end (6# terminal) and the two-section bus grounding end (8# terminal), and a two-section bus third capacitor and a two-section bus third phase indicator lamp 2L3 which are connected in parallel are connected between the two-section bus third phase detection end (7# terminal) and the two-section bus grounding end (8# terminal). A branch where the second-segment bus first phase indicator lamp 2L1 is located is connected in series with a second-segment bus first phase resistor, a branch where the second-segment bus second phase indicator lamp 2L2 is located is connected in series with a second-segment bus second phase resistor, and a branch where the second-segment bus third phase indicator lamp 2L3 is located is connected in series with a second-segment bus third phase resistor.
The first phase nuclear phase indicator light L1 is connected between the first phase detection end (1# terminal) of the first section of the bus and the first phase detection end (5# terminal) of the second section of the bus, and a first phase nuclear phase resistor is further connected in series with the first phase nuclear phase indicator light L1. The second phase nuclear phase indicator light L2 is connected between the second phase detection end (2# terminal) of the first section of the bus and the second phase detection end (6# terminal) of the second section of the bus, and a second phase nuclear phase resistor is further connected in series with the second phase nuclear phase indicator light L2. The third phase nuclear phase indicator light L3 is connected between the third phase detection end (3# terminal) of the first section of the bus and the third phase detection end (7# terminal) of the second section of the bus, and the third phase nuclear phase indicator light L3 is also connected with a third phase nuclear phase resistor in series.
The phase-locked loop circuit is characterized in that a first phase detection end of the first section of bus and a first phase detection end of the second section of bus are connected in series with a first phase nuclear phase indicator lamp, a second phase nuclear phase resistor connected in series with a second phase nuclear phase indicator lamp is arranged between a second phase detection end of the first section of bus and a second phase detection end of the second section of bus, and a third phase nuclear phase resistor connected in series with a third phase nuclear phase indicator lamp is arranged between a third phase detection end of the first section of bus and a third phase detection end of the second section of bus.
Two sets of signal sources outside this device can be voltage transformer secondary voltage, also can be high voltage live indicating sensor secondary detection voltage, but no matter voltage transformer or high voltage live indicating sensor all need select for use the same product of producer, technological parameter the same. Taking the high-voltage live indication sensor as an example, the external wiring requirements are as follows: a phase A, a phase B and a phase C of the high-voltage 1-section bus are connected with a phase 1 detection wiring terminal of the device, and a phase A, a phase B and a phase C of the high-voltage 2-section bus are connected with a phase 2 detection wiring terminal of the device, as shown in figure 3.
Two groups of phase detection holes of the device are used for assisting in detecting the electrification condition of two sections of buses and judging and detecting the phase sequence, the phase, the voltage and the nuclear phase of the two sections of buses.
For two sections of buses with the same rated voltage, the nuclear phase lamp of the online nuclear phase device judges and displays the conditions as follows:
(1) l1 nuclear phase lamp display: when the phase of the 1-path power supply 1L1 is the same as that of the 2-path power supply 2L1, the voltage between 1L1 and 2L1 is detected to be 0 in a phase detection hole, L1 nuclear phase lamps are turned off, and when the phase of the 1-path power supply 1L1 is different from that of the 2-path power supply 2L1, the voltage between 1L1 and 2L1 is detected to be not 0 in the phase detection hole, and the L1 nuclear phase lamps are turned on;
(2) l2 nuclear phase lamp display: when the phase of the 1-path power supply 1L2 is the same as that of the 2-path power supply 2L2, the voltage between 1L2 and 2L2 is detected to be 0 through the phase detection hole, and the L2 nuclear phase lamp is turned off; when the 1-path power supply 1L2 and the 2-path power supply 2L2 are different in phase, the voltage between 1L2 and 2L2 is not 0 when the phase detection hole detects that the L2 nuclear phase is lighted;
(3) l3 nuclear phase lamp display: when the phase of the 1-path power supply 1L3 is the same as that of the 2-path power supply 2L3, the voltage between 1L3 and 2L3 is detected to be 0 through the phase detection hole, and the L3 nuclear phase lamp is turned off; when the phase of the 1-path power supply 1L3 is different from that of the 2-path power supply 2L3, the voltage between 1L3 and 2L3 is not 0 when the phase detection hole detects that the L3 is lighted by nuclear phase.
The device, a bus grid-connected or parallel switch and a two-section bus high-voltage live indicating sensor are arranged in the same distribution control cabinet for most convenient use.
When the dual-power online nuclear phase detection device is used for detection, the method specifically comprises the following steps:
the method comprises the steps of firstly, checking that the dual-power online nuclear phase detection device is installed perfectly, ensuring that the device is installed firmly, reliably grounding the tail ends of two groups of high-voltage electrified indicating lamps, and introducing a working power supply of the device.
And secondly, before the two sections of buses are electrified, checking the connection condition of the dual-power online nuclear phase detection device with a section of bus high-voltage live indication sensor and a section of bus high-voltage live indication sensor, ensuring that signals of the section of bus high-voltage live indication sensor are connected with a section of bus first phase detection end (1# terminal), a section of bus second phase detection end (2# terminal) and a section of bus third phase detection end (3# terminal) of the section of bus high-voltage live indication detection part in a correct sequence, and ensuring that signals of the section of bus high-voltage live indication sensor are connected with a section of bus first phase detection end (5# terminal), a section of bus second phase detection end (6# terminal) and a section of bus third phase detection end (7# terminal) of the section of bus high-voltage live indication detection part in a correct sequence.
And step three, checking the electrification condition of the two sections of buses after power is received, observing an indicator lamp (namely 1L1, 1L2 and 1L3) of a high-voltage electrification indication detection part of one section of bus and an indicator lamp (namely 2L1, 2L2 and 2L3) of a high-voltage electrification indication detection part of the two sections of buses, detecting the voltage of a corresponding electrification detection end of the dual-power online nuclear phase detection device after each section of bus is received by a voltmeter, confirming that the buses are received, and ensuring that the corresponding relation between each section of bus and the dual-power online nuclear phase device is correct.
And step four, phase checking, namely when the first phase checking indicator lamp L1, the second phase checking indicator lamp L2 and the third phase checking indicator lamp L3 of the phase checking indicating part are all not bright and the voltages between the first phase detecting end of the first section of bus and the first phase detecting end of the second section of bus, the second phase detecting end of the first section of bus and the second phase detecting end of the second section of bus and the third phase detecting end of the first section of bus and the third phase detecting end of the second section of bus are all 0, indicating that the phases of the two sections of buses are consistent and the condition of parallel connection is met.
It is not difficult to discover, the utility model discloses whether the accessible is observed each pilot lamp indicating conditions convenient and fast and judge two sections generating lines and possess the condition side by side when two sections normal power supply generating lines of inspection, avoided direct and once high pressure contact and the various danger that probably produce, make nuclear phase detection easy operation convenient, safe rapid. And simultaneously, through the utility model discloses still can observe two sections bus power phase place change circumstances at any time, whether possess the condition side by side and show directly perceivedly, indirectly reach the purpose of a high-voltage circuit nuclear phase. Meanwhile, when the power supply source of the bus is changed, the device can intuitively, simply and quickly judge whether the two sections of buses have parallel conditions or not after the newly supplied bus is powered on.
Claims (4)
1. The dual-power online nuclear phase detection device is characterized by comprising a section of bus high-voltage live indication detection part, a section of bus high-voltage live indication detection part and a nuclear phase indication part, wherein the section of bus high-voltage live indication detection part comprises a section of bus first phase detection end, a section of bus second phase detection end, a section of bus third phase detection end and a section of bus grounding end; the first phase detection end of the first section of bus and the first phase indicator light of the first section of bus are connected in parallel, the second phase detection end of the first section of bus and the first phase indicator light of the first section of bus are connected in parallel, and the third phase detection end of the first section of bus and the first phase indicator light of the first section of bus are connected in parallel; the two-section bus high-voltage live indication detection part comprises a two-section bus first phase detection end, a two-section bus second phase detection end, a two-section bus third phase detection end and a two-section bus grounding end; the grounding end of the second-section bus is grounded, a first capacitor of the second-section bus and a first phase indicator lamp of the second-section bus which are connected in parallel are connected between the first phase detection end of the second-section bus and the grounding end of the second-section bus, a second capacitor of the second-section bus and a second phase indicator lamp of the second-section bus which are connected in parallel are connected between the second phase detection end of the second-section bus and the grounding end of the second-section bus, and a third capacitor of the second-section bus and a third phase indicator lamp of the second-section bus which are connected in parallel are connected between the third phase detection; the nuclear phase indicating part comprises a first phase nuclear phase indicating lamp, a second phase nuclear phase indicating lamp and a third phase nuclear phase indicating lamp, the first phase nuclear phase indicating lamp is connected between the first phase detecting end of the first section of the bus and the first phase detecting end of the second section of the bus, the second phase nuclear phase indicating lamp is connected between the second phase detecting end of the first section of the bus and the second phase detecting end of the second section of the bus, and the third phase nuclear phase indicating lamp is connected between the third phase detecting end of the first section of the bus and the third phase detecting end of the second section of the bus.
2. The dual-power online nuclear phase detection device as recited in claim 1, wherein a branch where the first phase indicator lamp of the first segment of the bus is located is connected in series with a first phase resistor of the first segment of the bus, a branch where the second phase indicator lamp of the first segment of the bus is located is connected in series with a second phase resistor of the first segment of the bus, and a branch where the third phase indicator lamp of the first segment of the bus is located is connected in series with a third phase resistor of the first segment of the bus.
3. The dual-power online nuclear phase detection device according to claim 1, wherein a branch where the second-section bus first phase indicator lamp is located is connected in series with a second-section bus first phase resistor, a branch where the second-section bus second phase indicator lamp is located is connected in series with a second-section bus second phase resistor, and a branch where the second-section bus third phase indicator lamp is located is connected in series with a second-section bus third phase resistor.
4. The dual-power online nuclear phase detection device according to claim 1, wherein a first phase nuclear phase resistor connected in series with the first phase nuclear phase indicator lamp is further arranged between the first phase detection end of the first section of bus and the first phase detection end of the second section of bus, a second phase nuclear phase resistor connected in series with the second phase nuclear phase indicator lamp is further arranged between the second phase detection end of the first section of bus and the second phase detection end of the second section of bus, and a third phase nuclear phase resistor connected in series with the third phase nuclear phase indicator lamp is further arranged between the third phase detection end of the first section of bus and the third phase detection end of the second section of bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020530302.0U CN212514796U (en) | 2020-04-13 | 2020-04-13 | Dual-power online nuclear phase detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020530302.0U CN212514796U (en) | 2020-04-13 | 2020-04-13 | Dual-power online nuclear phase detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212514796U true CN212514796U (en) | 2021-02-09 |
Family
ID=74430377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020530302.0U Active CN212514796U (en) | 2020-04-13 | 2020-04-13 | Dual-power online nuclear phase detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212514796U (en) |
-
2020
- 2020-04-13 CN CN202020530302.0U patent/CN212514796U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7764067B2 (en) | High voltage cable testing method | |
| CN2318639Y (en) | Earth monitor for electrostatic earthed system | |
| CN111487480A (en) | Dual-power online nuclear phase detection device and method | |
| US20120268136A1 (en) | Electrical Test Apparatus | |
| CN108646125B (en) | Method, device and system for testing capacitance current | |
| CN107024628B (en) | Testing device and alternating current power supply detection method thereof | |
| CN106124920B (en) | Transformer neutral conductor virtual connection fault detection method | |
| CN110346679A (en) | A kind of high-voltage cable joint metallic earthing failure Fast Fixed-point method | |
| KR102177910B1 (en) | Portable Test Kit For Exciter | |
| CN212514796U (en) | Dual-power online nuclear phase detection device | |
| CN100526887C (en) | Electric power monitor for single phase AC electric device inspection and repair | |
| JP3930711B2 (en) | Phase detector | |
| CN211206755U (en) | Zero live wire identification system with detect function | |
| CN106019193B (en) | Integrated point inspection device of voltage-withstand-voltage and grounding impedance tester | |
| CN108548983B (en) | Method, device and system for testing capacitance current | |
| JP2006220481A (en) | Method and apparatus of detecting electrostatic type high-pressure synchronous phase | |
| CN108548982B (en) | Method, device and system for testing capacitance current | |
| KR101816896B1 (en) | Automatic Diagnosis System and Method for Electric Distribution Network | |
| CN210401531U (en) | Electric safety monitoring device | |
| JPH10282175A (en) | Wiring path searching apparatus | |
| CN108333438B (en) | Method, device and system for testing capacitance current | |
| CN111707879A (en) | Method for carrying out grid-connected phase checking on generator by using dual-power online phase checking detection device | |
| CN108549044B (en) | Insulation line selection tester for direct current system of transformer substation | |
| JPH09154228A (en) | Power line monitor | |
| CN208752192U (en) | The test device of power locomotive top insulation detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |