CN211554276U - Multifunctional auxiliary detection tool circuit - Google Patents
Multifunctional auxiliary detection tool circuit Download PDFInfo
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- CN211554276U CN211554276U CN202020030299.6U CN202020030299U CN211554276U CN 211554276 U CN211554276 U CN 211554276U CN 202020030299 U CN202020030299 U CN 202020030299U CN 211554276 U CN211554276 U CN 211554276U
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Abstract
The utility model relates to a multi-functional supplementary detection tool circuit, including power input end and power output connector, be equipped with change over switch between power input end 'S first phase circuit L1 and second phase circuit L2, change over switch includes insulating knob and sets up connecting portion K1 and K2 in its both sides, connecting portion K1 is connected with first phase circuit L1, connecting portion K2 is connected with second phase circuit L2, first connecting portion S1 is connected with contactor KM1 and switching wire A1 respectively, second connecting portion S2 is connected with contactor KM2 and switching wire A2 respectively, the user can be through adjusting change over switch' S position, the phase sequence in the detection circuit can be rapidly switched to detect the effectiveness of the phase sequence protection of the product without rewiring, the detection efficiency is improved, meanwhile, the electric leakage detection module E can perform electric leakage detection on the product, so that the function of the detection tool circuit is more comprehensive.
Description
Technical Field
The utility model relates to a circuit structure technical field specifically is a multi-functional auxiliary detection frock circuit.
Background
When current detection frock circuit detected to three-phase electrical apparatus, when needs switching power supply phase sequence, need change two wherein phase lines of three-phase access line, generally all need rewiring, lead to detection efficiency not high, moreover, current detection frock circuit does not have the electric leakage detection function, needs extra electric leakage detection equipment to detect, has also restricted detection efficiency.
Therefore, further improvements are needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide a multi-functional supplementary frock circuit that detects, aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.
The purpose of the utility model is realized like this:
a multifunctional auxiliary detection tool circuit comprises a power input end and a power output connector, wherein the power input end comprises a first phase circuit L1, a second phase circuit L2 and a third phase circuit L3, the power output connector comprises a first connecting part S1, a second connecting part S2 and a third connecting part S3, and the third phase circuit L3 is fixedly connected with the third connecting part S3;
a change-over switch is arranged between the first-phase circuit L1 and the second-phase circuit L2 and comprises an insulating knob and connecting parts K1 and K2 arranged on two sides of the insulating knob, the connecting part K1 is connected with the first-phase circuit L1, the connecting part K2 is connected with the second-phase circuit L2, the first connecting part S1 is respectively connected with a contactor KM1 and a switching line A1, and the second connecting part S2 is respectively connected with a contactor KM2 and a switching line A2;
the insulating knob is rotated to connect the connecting part K1 with a switching wire A1, and the connecting part K2 is connected with a contactor KM 2;
or, the insulation rotation is rotated to connect the connecting part K1 with the switching wire A2, and the connecting part K2 with the contactor KM 1;
the power output connector is also provided with a first port B1, a second port B2, a third port B3, a first port B1, a second port B2 and a third port B3 which correspond to the first connecting part S1, the second connecting part S2 and the third connecting part S3 respectively, and a leakage detection module E is connected to the second port B2 and the third port B3 respectively;
the leakage detection module E comprises an operator U and a detection port V connected to the first port B1, the second port B2 or the third port B3, respectively, an input end of the operator U is connected to the detection port V, an output end of the operator U is connected to an anode of a diode D1, a cathode of the diode D1 is connected to one end of a resistor R1, the other end of the resistor R1 is connected to one end of a resistor R2 and a base of a transistor Q1, the other end of the resistor R2 is grounded, a collector of the transistor Q1 is connected to one end of a resistor R3, an emitter of the transistor Q1 is grounded, the other end of the resistor R3 is connected to an anode of a light emitting diode D2 and one end of a resistor R4, a cathode of the light emitting diode D2 is connected to one end of the resistor R5, the other end of the resistor R4 is connected to a base of a transistor Q2, a collector of the transistor Q2 is connected to the other end of.
The first phase circuit L1, the second phase circuit L2, and the third phase circuit L3 are each provided with a fuse.
The utility model has the advantages that:
the user can be through adjusting change over switch's position, can realize the phase sequence fast switch-over in the detection circuitry in order to detect the validity of product phase sequence protection, need not to rewire, has improved detection efficiency, and simultaneously, electric leakage detection module E can carry out electric leakage detection to the product, makes this detection frock circuit's function more comprehensive.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic circuit diagram of an embodiment of the present invention.
Fig. 2 is a schematic circuit diagram of the leakage detecting module according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1 and 2, the multifunctional auxiliary detection tool circuit comprises a power input end and a power output connector, wherein the power input end comprises a first phase circuit L1, a second phase circuit L2 and a third phase circuit L3, the power output connector comprises a first connecting portion S1, a second connecting portion S2 and a third connecting portion S3, and the third phase circuit L3 is fixedly connected with the third connecting portion S3;
a change-over switch is arranged between the first-phase circuit L1 and the second-phase circuit L2 and comprises an insulating knob and connecting parts K1 and K2 arranged on two sides of the insulating knob, the connecting part K1 is connected with the first-phase circuit L1, the connecting part K2 is connected with the second-phase circuit L2, the first connecting part S1 is respectively connected with a contactor KM1 and a switching line A1, and the second connecting part S2 is respectively connected with a contactor KM2 and a switching line A2;
the insulating knob is rotated to connect the connecting part K1 with a switching wire A1, and the connecting part K2 is connected with a contactor KM 2;
or, the insulation rotation is rotated to connect the connecting part K1 with the switching wire A2, and the connecting part K2 with the contactor KM 1;
the power output connector is also provided with a first port B1, a second port B2, a third port B3, a first port B1, a second port B2 and a third port B3 which correspond to the first connecting part S1, the second connecting part S2 and the third connecting part S3 respectively, and a leakage detection module E is connected to the second port B2 and the third port B3 respectively;
the leakage detection module E comprises an arithmetic unit U and a detection port V respectively connected with the first port B1, the second port B2 or the third port B3, the input end of the arithmetic unit U is connected with the detection port V, the output end of the diode is connected with the anode of a diode D1, the cathode of a diode D1 is connected with one end of a resistor R1, the other end of a resistor R1 is connected with one end of a resistor R2 and the base of a triode Q1, the other end of a resistor R2 is grounded, the collector of a triode Q1 is connected with one end of a resistor R3, the emitter of a triode Q1 is grounded, the other end of a resistor R3 is connected with the anode of a light emitting diode D2 and one end of a resistor R4, the cathode of a light emitting diode D2 is connected with one end of a resistor R5, the other end of a resistor R4 is connected with the base of a triode Q2, the collector of a triode Q2 is connected with the other end of a resistor R5, and the emitter of a triode Q2 is grounded, the calculator;
the user can be through adjusting change over switch's position, can realize the phase sequence fast switch-over in the detection circuitry in order to detect the validity of product phase sequence protection, need not to rewire, has improved detection efficiency, and simultaneously, electric leakage detection module E can carry out electric leakage detection to the product, makes this detection frock circuit's function more comprehensive.
Furthermore, the first phase circuit L1, the second phase circuit L2 and the third phase circuit L3 are respectively provided with a protective tube, and the tool detection circuit has the function of overcurrent protection.
The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.
Claims (2)
1. The multifunctional auxiliary detection tool circuit comprises a power input end and a power output connector, and is characterized in that the power input end comprises a first phase circuit L1, a second phase circuit L2 and a third phase circuit L3, the power output connector comprises a first connecting part S1, a second connecting part S2 and a third connecting part S3, and the third phase circuit L3 is fixedly connected with the third connecting part S3;
a change-over switch is arranged between the first-phase circuit L1 and the second-phase circuit L2, the change-over switch comprises an insulating knob and connecting parts K1 and K2 arranged on two sides of the insulating knob, the connecting part K1 is connected with the first-phase circuit L1, the connecting part K2 is connected with the second-phase circuit L2, the first connecting part S1 is respectively connected with a contactor KM1 and a switching line A1, and the second connecting part S2 is respectively connected with a contactor KM2 and a switching line A2;
the insulating knob is rotated to connect the connecting part K1 with a switching wire A1, and the connecting part K2 is connected with a contactor KM 2;
or, the insulation rotation is rotated to connect the connecting part K1 with the switching wire A2, and the connecting part K2 with the contactor KM 1;
the power output connector is also provided with a first port B1, a second port B2 and a third port B3 which correspond to the first connecting part S1, the second connecting part S2 and the third connecting part S3 respectively, and the first port B1, the second port B2 and the third port B3 are connected with a leakage detection module E respectively;
the leakage detection module E comprises an arithmetic unit U and a detection port V which is respectively connected with the first port B1, the second port B2 or the third port B3, the input end of the arithmetic unit U is connected with the detection port V, the output end of the diode is connected with the anode of a diode D1, the cathode of a diode D1 is connected with one end of a resistor R1, the other end of a resistor R1 is connected with one end of a resistor R2 and the base of a triode Q1, the other end of a resistor R2 is grounded, the collector of a triode Q1 is connected with one end of a resistor R3, the emitter of a triode Q1 is grounded, the other end of a resistor R3 is connected with the anode of a light-emitting diode D2 and one end of a resistor R4, the cathode of a light-emitting diode D2 is connected with one end of a resistor R5, the other end of a resistor R4 is connected with the base of a triode Q2, the collector of a triode Q2 is connected with the other end of a resistor R5.
2. The multi-functional supplementary frock circuit that detects of claim 1, its characterized in that: the first phase circuit L1, the second phase circuit L2, and the third phase circuit L3 are each provided with a fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020030299.6U CN211554276U (en) | 2020-01-07 | 2020-01-07 | Multifunctional auxiliary detection tool circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020030299.6U CN211554276U (en) | 2020-01-07 | 2020-01-07 | Multifunctional auxiliary detection tool circuit |
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| CN211554276U true CN211554276U (en) | 2020-09-22 |
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| CN202020030299.6U Active CN211554276U (en) | 2020-01-07 | 2020-01-07 | Multifunctional auxiliary detection tool circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137327A (en) * | 2021-11-25 | 2022-03-04 | 珠海格力电器股份有限公司 | Phase sequence detection system, method, equipment and storage medium |
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2020
- 2020-01-07 CN CN202020030299.6U patent/CN211554276U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137327A (en) * | 2021-11-25 | 2022-03-04 | 珠海格力电器股份有限公司 | Phase sequence detection system, method, equipment and storage medium |
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