CN212749199U

CN212749199U - Lighting line fault positioning and detecting device

Info

Publication number: CN212749199U
Application number: CN202021578539.2U
Authority: CN
Inventors: 方立明; 杨冲; 刘玉国; 韩树友
Original assignee: Bao Shang Electric Cable Co ltd
Current assignee: Bao Shang Electric Cable Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-03-19
Anticipated expiration: 2030-08-03

Abstract

The utility model relates to a circuit check out test set field provides a lighting line fault location detection device, include: a housing; a high-voltage transformer and an alternating current contactor are arranged in the shell; the shell is provided with a time relay, a voltmeter, an ammeter, a power line input socket, a high-voltage pulse output terminal, a grounding terminal, a voltage adjusting knob and a plurality of high-voltage conversion sockets; the voltage adjusting knob, the time relay, the power line input socket and the ammeter are respectively and electrically connected with the input end of the high-voltage transformer, and the high-voltage pulse output terminal, the voltmeter, the grounding terminal and the high-voltage conversion socket are respectively and electrically connected with the output end of the high-voltage transformer; the input end of the alternating current contactor is electrically connected with the power line input socket, and the output end of the alternating current contactor is electrically connected with the input end of the high-voltage transformer. The utility model discloses can be fast accurate location fault point, quick maintenance has improved the operating efficiency.

Description

Lighting line fault positioning and detecting device

Technical Field

The utility model relates to a circuit check out test set field especially relates to a lighting line fault location detection device.

Background

With the development of social economy, the living standard of people is remarkably improved, various household appliances gradually enter thousands of households, the fault of the line is accelerated to appear due to the increase of the line load, particularly, three-level leakage protection emphasized for the safety of people in China recently, so that the phenomenon that the brake cannot be closed due to the leakage of electricity occurs, the fault point cannot be found due to the fact that the fault point is hidden, only an open line is replaced, the attractiveness is influenced, and material resources are consumed.

The traditional fault location detection method is inconvenient in fault location, once a line fails, manual line location is needed, and the fault location difficulty and time are increased. And the automatic fault location is carried out by utilizing an automatic system, but the cost is too high, and the popularization is difficult.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is inconvenient mainly to solve prior art's fault location detection method fault location, in case the circuit breaks down, need artifical searching along the line, increased the technical problem such as the troubleshooting degree of difficulty and time, provide a lighting line fault location detection device, can be quick accurate location fault point, quick maintenance has improved the operating efficiency, greatly improved the reliability of line power supply, provide the powerful guarantee for transmission line's safety, economic operation to can use manpower sparingly and material resources.

The utility model provides a lighting line fault location detection device, include: a housing;

a high-voltage transformer and an alternating current contactor are arranged in the shell;

the shell is provided with a time relay, a voltmeter, an ammeter, a power line input socket, a high-voltage pulse output terminal, a grounding terminal, a voltage adjusting knob and a plurality of high-voltage conversion sockets;

the voltage adjusting knob, the time relay, the power line input socket and the ammeter are respectively and electrically connected with the input end of the high-voltage transformer, and the high-voltage pulse output terminal, the voltmeter, the grounding terminal and the high-voltage conversion socket are respectively and electrically connected with the output end of the high-voltage transformer;

the input end of the alternating current contactor is electrically connected with the power line input socket, and the output end of the alternating current contactor is electrically connected with the input end of the high-voltage transformer.

Preferably, the shell is hinged with an upper cover, and the shell and the upper cover are provided with connecting buckles.

Preferably, a handle is arranged on the shell.

Preferably, a power switch is further disposed on the housing.

Preferably, an automatic/manual change-over switch is further disposed on the housing, and the automatic/manual change-over switch is electrically connected with the ac contactor.

Preferably, the shell is further provided with a voltage regulating/direct supplying change-over switch, and the voltage regulating/direct supplying change-over switch is electrically connected with the voltage regulating knob.

Preferably, the method further comprises the following steps: independent external magnetic core probe.

Preferably, the method further comprises the following steps: and the remote controller is matched with the alternating current contactor.

Preferably, the shell is further provided with an isolation change-over switch;

when the isolating change-over switch is arranged, the number of the high-voltage transformers is two, and the connected high-voltage transformers are selected through the isolating change-over switch.

Preferably, a power isolation output socket is further arranged on the shell and electrically connected with the isolation change-over switch.

The utility model provides a pair of lighting line fault location detection device can accurate location fault point, solves the trouble fast, has greatly improved the reliability of line power supply, has improved the operating efficiency, provides the powerful guarantee for transmission line's safety, economic operation to can use manpower sparingly and material resources, reduce the loss.

Drawings

Fig. 1 is a schematic structural diagram of a lighting line fault location detection device provided by the present invention;

fig. 2 is a schematic circuit diagram of the lighting line fault location detection device provided by the present invention;

fig. 3 is the circuit schematic diagram of the electrified detection process of the lighting line fault location detection device provided by the utility model.

Reference numerals: 1. a housing; 2. a voltmeter; 3. an ammeter; 4. a power switch; 5. an automatic/manual changeover switch; 6. isolating the transfer switch; 7. a power line input socket; 8. a high-voltage pulse output terminal; 9. a high-voltage switching socket; 10. a time relay; 11. a ground terminal; 12. a power isolation output socket; 13. a voltage adjustment knob; 14. a voltage regulating/direct supply change-over switch; 15. a handle; 16. an upper cover; 17. and (5) buckling.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the relevant portions of the present invention are shown in the drawings.

Fig. 1 is a schematic structural diagram of the lighting line fault location detection device provided by the present invention. As shown in fig. 1, the embodiment of the utility model provides an illumination line fault location detection device, include: a housing 1.

A high-voltage transformer and an alternating current contactor are arranged in the shell 1;

the shell 1 is provided with a time relay 10, a voltmeter 2, an ammeter 3, a power line input socket 7, a high-voltage pulse output terminal 8, a grounding terminal 11, a voltage adjusting knob 13 and a plurality of high-voltage conversion sockets 9; the voltage adjusting knob 13, the time relay 10, the power line input socket 7 and the ammeter 3 are respectively electrically connected with the input end of the high-voltage transformer, and the high-voltage pulse output terminal 8, the voltmeter 2, the grounding terminal 11 and the high-voltage conversion socket 9 are respectively electrically connected with the output end of the high-voltage transformer. Ammeter 3 is capable of detecting the input current and voltmeter 2 is capable of detecting the output voltage.

The input end of the alternating current contactor is electrically connected with the power line input socket 7, and the output end of the alternating current contactor is electrically connected with the input end of the high-voltage transformer.

The shell 1 is also provided with a power switch 4. An automatic/manual change-over switch 5 is further arranged on the shell 1, the automatic/manual change-over switch 5 is electrically connected with the alternating current contactor, and the automatic/manual change-over switch 5 is used for switching between an automatic mode and a manual mode.

The shell 1 is further provided with a voltage regulating/direct supplying change-over switch 14, and the voltage regulating/direct supplying change-over switch 14 is electrically connected with a voltage regulating knob 13. The voltage regulating/direct supply changeover switch 14 can switch the voltage regulating and direct supply modes, and the voltage regulating knob 13 can regulate the output voltage.

In addition, the detecting device of the present embodiment further includes: independent external magnetic core probe. Specifically, a probe with an iron oxide magnetic core can be adopted, and the probe can be divided into a rough measurement probe and a fine measurement probe. Further comprising: and the remote controller is matched with the alternating current contactor, and a signal receiving board of the remote controller is electrically connected with a control line of the alternating current contactor.

An upper cover 16 is hinged on the shell 1, and the shell 1 and the upper cover 16 are provided with connecting buckles 17. When the detection device does not work, the shell 1 and the upper cover 16 are buckled through the connecting buckle 17 to protect internal elements. The handle 15 is arranged on the shell 1, and the carrying is convenient.

Fig. 2 is a schematic circuit diagram (leakage fault and disconnection fault) of the lighting line fault location detection device provided by the present invention. As shown in fig. 2, the working principle of the lighting line fault location detection apparatus provided in this embodiment is as follows:

(1) electric leakage failure: according to the characteristics of ohm's law, 220 mains supply is applied to an illumination line after voltage is boosted (a grounding terminal 11 is grounded, and a zero line and a live line of the illumination line are connected together and then connected to a high-voltage pulse output terminal 8), a power line input socket 7 is connected to a user line, and a leakage protector is configured on the detection device of the embodiment to realize direct supply of the highest voltage; after the wiring is finished, the time relay 10 controls the high-voltage transformer to discharge at fixed time, electromagnetic waves are emitted at a leakage position (low-resistance point) in the lighting line to discharge, noise can be generated, and the leakage position can be determined according to the noise generation position. If the noise generated by the electromagnetic wave discharge is weak, a special magnetic core probe can be adopted to pick up signals and can monitor the signals after the signals are amplified, and the maximum sound position is a fault point.

(2) And (3) line breaking fault: the high-voltage pulse output terminal 8 and the grounding terminal 11 are connected through flexible wires, electrodes are clamped from two ends of the broken circuit respectively, discharge sound also appears after pressurization, and the position with the maximum sound is a fault point.

The lighting line fault location detection device of the present embodiment has the following supplementary functions: and (5) detecting the electrification. And an isolation change-over switch 6 is also arranged on the shell 1. When the isolating change-over switch 6 is arranged, the number of the high-voltage transformers is two, and the connected high-voltage transformers are selected through the isolating change-over switch 6. The isolating transfer switch 6 can forcibly carry out power transmission with a leakage fault when a certain line needs to be distinguished when a plurality of lines exist. The shell 1 is also provided with a power isolation output socket 12, and the power isolation output socket 12 is electrically connected with the isolation change-over switch 6. Fig. 3 is the circuit schematic diagram of the electrified detection process of the lighting line fault location detection device provided by the utility model. As shown in fig. 3, the working principle of the electrification detection is as follows: when a certain fault needs to be distinguished when a plurality of lines exist, the power transmission is forcibly carried out with a leakage fault, the power transmission is adjusted to be in an isolation state by operating the isolation change-over switch 6, the power line input socket 7 is used as input, the power isolation output socket 12 is used as output, and the power isolation change-over switch and the power isolation output socket are respectively connected into the lines; the current loops through ac contactor, steps up through first high voltage transformer, steps down through second high voltage transformer, exports through power isolation output socket 12, realizes electrified detection. The instrument of this embodiment can set up automatic cycle discharge, still can discharge through remote controller control, can adapt to two people or one-man operation and provide convenience.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or some or all of the technical features may be equivalently replaced, without substantially departing from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An illumination line fault location detection device, comprising: a housing (1);

a high-voltage transformer and an alternating current contactor are arranged in the shell (1);

the time relay (10), the voltmeter (2), the ammeter (3), the power line input socket (7), the high-voltage pulse output terminal (8), the grounding terminal (11), the voltage adjusting knob (13) and the plurality of high-voltage conversion sockets (9) are arranged on the shell (1);

the voltage adjusting knob (13), the time relay (10), the power line input socket (7) and the ammeter (3) are respectively and electrically connected with the input end of the high-voltage transformer, and the high-voltage pulse output terminal (8), the voltmeter (2), the grounding terminal (11) and the high-voltage conversion socket (9) are respectively and electrically connected with the output end of the high-voltage transformer;

the input end of the alternating current contactor is electrically connected with a power line input socket (7), and the output end of the alternating current contactor is electrically connected with the input end of the high-voltage transformer.

2. The lighting line fault location detection device according to claim 1, characterized in that an upper cover (16) is hinged on the housing (1), and the housing (1) and the upper cover (16) are provided with a connecting buckle (17).

3. Lighting line fault location detection device according to claim 1 or 2, characterized in that a handle (15) is provided on the housing (1).

4. The lighting line fault location detection device of claim 1, characterized in that a power switch (4) is further provided on the housing (1).

5. The lighting line fault location detection device according to claim 1, characterized in that an automatic/manual change-over switch (5) is further disposed on the housing (1), and the automatic/manual change-over switch (5) is electrically connected with an alternating current contactor.

6. The lighting line fault location detection device according to claim 1, wherein a voltage regulation/direct supply changeover switch (14) is further arranged on the housing (1), and the voltage regulation/direct supply changeover switch (14) is electrically connected with the voltage regulation knob (13).

7. The lighting line fault location detection device of claim 1, further comprising: independent external magnetic core probe.

8. The lighting line fault location detection device of claim 1 or 7, further comprising: and the remote controller is matched with the alternating current contactor.

9. The lighting line fault location detection device according to claim 1, wherein an isolation change-over switch (6) is further arranged on the housing (1);

when the isolating transfer switch (6) is arranged, the number of the high-voltage transformers is two, and the connected high-voltage transformers are selected through the isolating transfer switch (6).

10. The lighting line fault location detection device according to claim 9, wherein a power isolation output socket (12) is further disposed on the housing (1), and the power isolation output socket (12) is electrically connected to the isolation transfer switch (6).