CN215415639U - Cable phase checking device - Google Patents
Cable phase checking device Download PDFInfo
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- CN215415639U CN215415639U CN202121701721.7U CN202121701721U CN215415639U CN 215415639 U CN215415639 U CN 215415639U CN 202121701721 U CN202121701721 U CN 202121701721U CN 215415639 U CN215415639 U CN 215415639U
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Abstract
The utility model provides a cable phase checking device, and belongs to the field of power cable maintenance equipment. The device comprises a box body, comprises a box bod, the box body top is equipped with the detection stick that is used for receiving high-pressure level signal, the box body leading flank is equipped with switch, a control switch and a display screen for controlling the phase check circuit break-make, the inside bee calling organ that is equipped with of box body, a power supply, the circuit board, be equipped with microprocessor on the circuit board, the box body trailing flank still is equipped with the detection mouth of connecting the cable of being surveyed, the output of the cable of being surveyed passes through the detection mouth and connects the detection stick, the circuit is checked to the phase place still having laid on the circuit board, microprocessor respectively with switch, control switch, the display screen, bee calling organ, a power supply, circuit electric connection is checked to the phase place, the circuit is checked to the phase place and includes detection circuitry, light-emitting circuit, light-operated circuit and light-operated circuit parallel connection. The utility model can quickly check the cable phase and solve the problems of repeated communication and wiring in the cable phase test.
Description
Technical Field
The utility model belongs to the field of power cable maintenance equipment, and particularly relates to a cable phase checking device.
Background
The 10kV three-core cable commonly used for the distribution network has the advantages that phases at two ends of the cable may not correspond due to the existence of the intermediate joint and the branch box, and phase checking needs to be performed again in the transformation construction process. The existing nuclear phase mode has high manual dependence, generally can be completed by repeatedly carrying out power failure operation on the existing line, however, along with the continuous increase of power consumption for production and living, the upgrading and reconstruction of a power grid become frequent day by day, and the repeated power failure operation inevitably brings great inconvenience to the life of residents or industrial production. At present, a few nuclear phase devices can assist in manually completing nuclear phase operation, but the nuclear phase devices are complex in operation, poor in nuclear phase precision and short in nuclear phase distance, and cannot complete the nuclear phase operation in a short time.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a cable phase checking device, which overcomes the above-mentioned shortcomings or drawbacks of the prior art.
In order to achieve the purpose, the technical scheme adopted by the utility model is that the cable phase checking device comprises a box body, the box body comprises a box body, the top of the box body is provided with a detection rod for receiving a high-voltage level signal, the front side surface of the box body is provided with a power switch, a control switch for controlling the on-off of a phase checking circuit and a display screen, a buzzer, a power supply and a circuit board are arranged in the box body, a microprocessor is arranged on the circuit board, the rear side surface of the box body is also provided with a detection port connected with a detected cable, the output end of the detected cable is connected with the detection rod through the detection port, the circuit board is also provided with a phase checking circuit, the microprocessor is respectively and electrically connected with the power switch, the control switch, the display screen, the buzzer, the power supply and the phase checking circuit, the phase checking circuit comprises a detection circuit, a light-emitting circuit and a light-control circuit, and the light-emitting circuit is connected with the light-control circuit in parallel.
In a preferred embodiment of the present invention, the detection circuit comprises a light emitting diode D3, the anode of the light emitting diode D3 is connected to the anode of the power supply, the cathode is connected to the detection rod, the cathode of the power supply is grounded, and the detection rod and the ground electrode form a switch K2.
In a preferred embodiment of the present invention, the light emitting circuit includes a light emitting diode D2, a light emitting diode D2 is connected in series between the cathode of the light emitting diode D3 and the probe rod, and a switch K1 is connected between the cathode of the power supply and the ground.
As a preferred embodiment of the present invention, the light control circuit includes a photodiode D1, a resistor R1, a resistor R2, a resistor R3, a variable resistor R4, a resistor R5, a transistor BG1, a transistor BG2, and a transistor BG3, wherein one end of the resistor R1 is connected to an emitter of the transistor BG3, and the other end is connected to a negative electrode of a power supply; one end of the resistor R2 is electrically connected with the anode of the photodiode D1, the other end of the resistor R2 is electrically connected with the collector of the triode BG1, and the cathode of the photodiode D1 is electrically connected with the base of the triode BG 1; one end of the resistor R3 is connected with the collector of the triode BG1, the other end of the resistor R3 is electrically connected with the sliding end of the variable resistor R4, and the emitter of the triode BG1 is electrically connected with the base of the triode BG 2; one end of the variable resistor R4 is electrically connected with one end of the resistor R5, and the other end of the variable resistor R4 is electrically connected with the collector of the triode BG 2; the other end of the resistor R5 is connected with one end of a buzzer, and the other end of the buzzer is connected with the collector of a triode BG 3.
In a preferred embodiment of the present invention, the number of the probe rods is 3.
As a preferred embodiment of the utility model, the top of the detection rod is uniformly provided with a plurality of through holes.
The beneficial technical effects of the utility model are as follows: the cable phase checking device of the utility model quickly checks the cable phase, and completes wiring and testing in the cable phase test at one time, thereby solving the problems of repeated communication and wiring of the cable phase test and improving the testing efficiency; and the safe voltage is adopted for power supply, so that the operation safety risk is reduced.
Drawings
Fig. 1 is a perspective view of a cable phase verifier according to an embodiment of the present invention;
fig. 2 is a front view of a cable phase checking apparatus according to an embodiment of the present invention;
FIG. 3 is a top view of a cable phase verifier device in accordance with one embodiment of the present invention;
fig. 4 is a rear view of a cable phase checking apparatus according to an embodiment of the present invention;
FIG. 5 is a functional block diagram of a cable phase checking apparatus according to an embodiment of the present invention;
FIG. 6 is a general circuit diagram of an adjustable high voltage cable support fixture according to one embodiment of the present invention;
reference numerals: 1-detection rod, 2-box body, 3-power switch, 4-control button, 5-buzzer, 6-indicator light, 7-display screen, 8-detection port.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to preferred embodiments.
Examples
Referring to the attached drawings 1-6, the utility model provides a cable phase checking device, which comprises a box body 2, a detecting rod 1 for receiving high-voltage level signals arranged at the top of the box body 2, a power switch 3 arranged at the front side of the box body 2, a control switch for controlling the on-off of a phase checking circuit and a display screen 7, a buzzer 5, a power supply and a circuit board arranged in the box body 2, a microprocessor arranged on the circuit board, a detection port 8 connected with a detected cable arranged at the rear side of the box body 2, an output end of the detected cable connected with the detecting rod 1 through the detection port 8, a phase checking circuit arranged on the circuit board, the microprocessor respectively connected with the power switch 3, the control switch and the display screen 7, the buzzer 5, the power supply and the phase checking circuit are electrically connected, the phase checking circuit comprises a detection circuit, a light-emitting circuit and a light-operated circuit, and the light-emitting circuit is connected with the light-operated circuit in parallel; the detection circuit comprises a light-emitting diode D3, wherein the anode of the light-emitting diode D3 is connected with the anode of a power supply, the cathode of the light-emitting diode D3 is connected with a detection rod 1, the cathode of the power supply is grounded, and the detection rod 1 and the ground electrode form a switch K2; the light-emitting circuit comprises a light-emitting diode D2, a light-emitting diode D2 is connected between the cathode of the light-emitting diode D3 and the detection rod 1 in series, and a switch K1 is connected between the cathode of the power supply and the ground electrode; the light control circuit comprises a photodiode D1, a resistor R1, a resistor R2, a resistor R3, a variable resistor R4, a resistor R5, a triode BG1, a triode BG2 and a triode BG3, one end of the resistor R1 is connected with an emitter of the triode BG3, and the other end of the resistor R1 is connected with a negative electrode of a power supply; one end of the resistor R2 is electrically connected with the anode of the photodiode D1, the other end of the resistor R2 is electrically connected with the collector of the triode BG1, and the cathode of the photodiode D1 is electrically connected with the base of the triode BG 1; one end of the resistor R3 is connected with the collector of the triode BG1, the other end of the resistor R3 is electrically connected with the sliding end of the variable resistor R4, and the emitter of the triode BG1 is electrically connected with the base of the triode BG 2; one end of the variable resistor R4 is electrically connected with one end of the resistor R5, and the other end of the variable resistor R4 is electrically connected with the collector of the triode BG 2; the other end of the resistor R5 is connected with one end of a buzzer 5, and the other end of the buzzer 5 is connected with the collector of a triode BG 3.
In this embodiment, the probe rod 1 is 3, a plurality of through-holes have evenly been seted up at probe rod 1 top, and microprocessor adopts STM 32.
When the device is applied specifically, one end of a cable to be tested is connected with a signal sending end, the other end of the cable to be tested is connected with the device of the embodiment to be used as a signal receiving end, the signal sending end comprises a power supply and a signal generating module connected to the output end of the power supply, and the signal generating module is used for sequentially and respectively sending high-voltage level signals to the three-phase input end of the cable A, B, C to be tested; the device of the embodiment is used for receiving a high-voltage level signal, and the light emitting diode flowing through the high level signal is lightened; and judging the sequence of lighting the three LED indicator lamps 6, determining the test result and finishing the phase checking test.
Preferably, a wireless communication module is arranged in the box body and connected with the microprocessor, and the wireless communication module uploads voltage information received by the microprocessor to a remote management terminal to realize remote data storage and comparison for phase checking.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore contemplated that the present invention will be embodied in many forms, such as, for example, computer readable media, and computer readable media.
Claims (6)
1. The cable phase checking device is characterized by comprising a box body (2) and a box body (2), wherein the top of the box body (2) is provided with a detection rod (1) for receiving a high-voltage level signal, the front side surface of the box body (2) is provided with a power switch (3), a control switch for controlling the on-off of a phase checking circuit and a display screen (7), a buzzer (5), a power supply and a circuit board are arranged in the box body (2), a microprocessor is arranged on the circuit board, the rear side surface of the box body (2) is also provided with a detection port (8) connected with a detected cable, the output end of the detected cable is connected with the detection rod (1) through the detection port (8), the circuit board is also provided with a phase checking circuit, the microprocessor is respectively electrically connected with the power switch (3), the control switch, the display screen (7), the buzzer (5), the power supply and the phase checking circuit, and the phase checking circuit comprises a detection circuit, The light-emitting circuit is connected with the light-operated circuit in parallel.
2. The cable phase verification apparatus according to claim 1, wherein: the detection circuit comprises a light-emitting diode D3, wherein the anode of the light-emitting diode D3 is connected with the anode of a power supply, the cathode of the light-emitting diode D3 is connected with a detection rod (1), the cathode of the power supply is grounded, and the detection rod (1) and the ground electrode form a switch K2.
3. The cable phase verification apparatus according to claim 2, wherein: the light-emitting circuit comprises a light-emitting diode D2, a light-emitting diode D2 is connected between the cathode of the light-emitting diode D3 and the detection rod (1) in series, and a switch K1 is connected between the cathode of the power supply and the ground electrode.
4. The cable phase verification apparatus according to claim 3, wherein: the light control circuit comprises a photodiode D1, a resistor R1, a resistor R2, a resistor R3, a variable resistor R4, a resistor R5, a triode BG1, a triode BG2 and a triode BG3, one end of the resistor R1 is connected with an emitter of the triode BG3, and the other end of the resistor R1 is connected with a negative electrode of a power supply; one end of the resistor R2 is electrically connected with the anode of the photodiode D1, the other end of the resistor R2 is electrically connected with the collector of the triode BG1, and the cathode of the photodiode D1 is electrically connected with the base of the triode BG 1; one end of the resistor R3 is connected with the collector of the triode BG1, the other end of the resistor R3 is electrically connected with the sliding end of the variable resistor R4, and the emitter of the triode BG1 is electrically connected with the base of the triode BG 2; one end of the variable resistor R4 is electrically connected with one end of the resistor R5, and the other end of the variable resistor R4 is electrically connected with the collector of the triode BG 2; the other end of the resistor R5 is connected with one end of a buzzer (5), and the other end of the buzzer (5) is connected with the collector of a triode BG 3.
5. The cable phase verification apparatus according to claim 4, wherein: the number of the detection rods (1) is 3.
6. The cable phase verification apparatus according to claim 5, wherein: the top of the detection rod (1) is uniformly provided with a plurality of through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121701721.7U CN215415639U (en) | 2021-07-26 | 2021-07-26 | Cable phase checking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121701721.7U CN215415639U (en) | 2021-07-26 | 2021-07-26 | Cable phase checking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215415639U true CN215415639U (en) | 2022-01-04 |
Family
ID=79652578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121701721.7U Active CN215415639U (en) | 2021-07-26 | 2021-07-26 | Cable phase checking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215415639U (en) |
-
2021
- 2021-07-26 CN CN202121701721.7U patent/CN215415639U/en active Active
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