CN201955421U

CN201955421U - Wiring detector for multifunctional electric energy metering device

Info

Publication number: CN201955421U
Application number: CN2011200213993U
Authority: CN
Inventors: 常诚; 吕志良; 丁苏标
Original assignee: Bengbu Power Supply Co of State Grid Anhui Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC
Priority date: 2011-01-20
Filing date: 2011-01-20
Publication date: 2011-08-31
Anticipated expiration: 2021-01-20
Also published as: WO2012097648A1; CA2784338A1

Abstract

The utility model relates to a wiring detector for a multifunctional electric energy metering device, which comprises a phase volometer, wherein a direct current power supply is arranged in a meter case, a pair of test sockets and a pair of electrode sockets are arranged on the meter case, one electrode of the direct current power supply is connected with one electrode socket, the other electrode of the direct current power supply is connected with the other electrode socket through a switch, the switch is fixed on the meter case, the two test sockets are respectively connected with both ends of a conversion switch of the phase volometer, and the wiring detector is also provided with test wires matched with each test socket and each electrode socket. The wiring detector has the function of the phase volometer, when the wiring detector needs to be used for checking and judging an electric energy metering loop, the test wires matched with each test socket and each electrode socket are connected onto the corresponding sockets, and the phase volometer can be used for checking and judging the electric energy metering loop. The wiring detector has the advantages that the structure is reasonable and reliable, the test process and the wire dismounting and connecting check process of the electric energy metering device can be greatly simplified, and in addition, the check and the judgment are accurate.

Description

Multifunctional electric energy measuring apparatus wiring detector

Technical field

The utility model relates to a kind of electrical analyzer, specifically a kind of multifunctional electric energy measuring apparatus wiring detector.

Background technology

Electric power meter includes electric energy meter, current transformer, voltage transformer (VT), secondary line and splicing ear etc.For electric power meter, if electric current, voltage transformer (VT) polarity is incorrect or fuse melting of voltage transformer (VT) or secondary connect phenomenons such as the loosening or wiring mistake of lead, all will influence the correct metering of electric power meter.For the very big large user's usefulness of some electric weight, often the difference of a line will occur several thousand and even the error in dipping of millions of kilowatt hour electric weight, thereby causes metering dispute, and brings economic loss to power supply enterprise.In order to guarantee the correct metering of electric power meter, need do current transformer, voltage transformer (VT) polarity test, secondary connection conducting and connection terminal indicate check, the wiring check of electric energy meter etc., at present, traditional line inspection method is all adopted in the enforcement of above-mentioned work, traditional line inspection method not only needs to carry a lot of equipment, and because the interior space of metering cabinet or batch meter is little, intermediate conversion is more, to electric power meter test with disconnect ray examination and brought difficulty, not only lose time, and inefficiency, accuracy is difficult to guarantee.Existing phase voltammetric meter then can't address the above problem.

The utility model content

The purpose of this utility model is to provide a kind of multifunctional electric energy measuring apparatus wiring detector, and it promptly possesses the function of phase voltammetric meter, can check, judge the wiring of electric power meter measurement loop fast again.

For achieving the above object, the utility model adopts following scheme: multifunctional electric energy measuring apparatus wiring detector, it includes a phase voltammetric meter, direct supply is housed in watchcase, watchcase is provided with a pair of test jack and pair of electrodes socket, one utmost point and an electrode socket of direct supply joins, another utmost point joins by switch and another electrode socket, and switch is fixed on the watchcase, and two test jacks are joined with the two ends of the switch of phase voltammetric meter respectively; This wiring detector also is equipped with and each test jack, the supporting p-wire of electrode socket.

By such scheme as seen, the multifunctional electric energy measuring apparatus wiring detector that the utility model provides possesses the phase voltammetric meter function, when needs by its to the electric energy metrical loop check, when judging, to be connected on the pairing socket with the supporting p-wire of each test jack, electrode socket, and can utilize phase voltammetric meter that the electric energy metrical loop is checked, judged.

The utility model is rational in infrastructure, reliable, and it can be simplified electric power meter test greatly and disconnect the process of ray examination, and inspection, accuracy of judgement.

Description of drawings

The structural representation of Fig. 1 the utility model one embodiment and the synoptic diagram of use-case one;

The A of Fig. 2 Fig. 1 is to view;

The circuit diagram that direct supply is connected with electrode socket among Fig. 3 Fig. 2;

The synoptic diagram that the switch of test jack and phase voltammetric meter joins among Fig. 4 Fig. 1;

The synoptic diagram of Fig. 5 the utility model use-case two.

Embodiment

Further specify the utility model below in conjunction with embodiment and accompanying drawing.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4

The multifunctional electric energy measuring apparatus wiring detector that the utility model provides includes a phase voltammetric meter 1 identical with existing product, direct supply 11 is housed in watchcase, watchcase is provided with a pair of test jack, be test jack 4 and test jack 5, also be provided with the pair of electrodes socket on the watchcase, be electrode socket 6 and electrode socket 7, the negative pole of direct supply 11 and an electrode socket 7 join, positive pole joins by switch 10 and another electrode socket 6, and switch 10 is fixed on the watchcase.Test jack 4, test jack 5 are joined with the two ends of the switch 1b of phase voltammetric meter respectively, and wherein a test jack 4 is joined with the positive terminal of switch 1b, and the negative pole end of another test jack 5 and switch 1b joins.In addition, this wiring detector also is equipped with respectively and each test jack, supporting p-wire 2, p-wire 3, p-wire 4, the p-wire 5 of electrode socket.Switch 10 is for often leaving touch switch.Direct supply 11 is 9 volts accumulator for voltage.

Referring to Fig. 1

This use-case is the measurement to three-phase and four-line low voltage electric energy measure device current return, and measuring method is particularly:

The A set of pieces is measured, to change turn-off pass 1b and be threaded to the 0.05mA gear, one end of one p-wire 8 is inserted in the electrode socket 6 that joins with dc power anode, another termination A phase current mutual inductor primary power source side, one end of another p-wire 9 is inserted in the electrode socket 7 that joins with dc power cathode, load-side of another termination A phase current mutual inductor, one p-wire, 3 one ends are inserted to and change turn-off to close in the test jack 4 that the 1b positive terminal joins, another termination measuring apparatus terminal box A phase current inlet wire terminal, one end of another p-wire 2 is inserted to and changes turn-off to close in the test jack 5 that the 1b negative pole end joins, the line that another termination measuring apparatus terminal box A phase current outlet and terminal disconnect, press the moment of switch 10, p-wire 2,3 will record the switch of signal by phase voltammetric meter, metering circuit and transducer, input to the LCDs 1a of phase voltammetric meter, observe LCDs 1a, flowing to that shown instantaneous inductive current direction that records and survey A phase current mutual inductor electric current are correct on it is identical, then A phase current circuit connection is correct, otherwise A phase current circuit connection mistake then is described.Same B, C set of pieces measuring method are measured identical with the A set of pieces.

Referring to Fig. 5

This use-case is the measurement to three-phase and four-line low voltage electric energy measure device voltage circuit, and measuring method is particularly:

The A set of pieces is measured, to change turn-off pass 1b and be threaded to direct current 10V gear, one end of one p-wire 8 is inserted in the electrode socket 6 that joins with dc power anode, another termination A phase current mutual inductor primary power source side, one end of another p-wire 9 is inserted in the electrode socket 7 that joins with dc power cathode, another termination power N line, one p-wire, 3 one ends are inserted to and change turn-off to close in the test jack 4 that the 1b positive terminal joins, another termination connects measuring apparatus terminal box A phase voltage terminal, one end of another p-wire 2 is inserted to and changes turn-off to close in the test jack 5 that the 1b negative pole end joins, another termination measuring apparatus terminal box N phase terminal, press switch, observe LCDs 1a indication 9V left and right sides voltage, then the wiring of electric power meter A set of pieces voltage circuit is correct.Equally, B, C set of pieces measuring method are measured identical with the A set of pieces.

In addition, the multifunctional electric energy measuring apparatus wiring detector that the utility model provides also can carry out following measurement to electric power meter: the measurement of three three-way high-voltage electric-energy meter current returns, voltage circuit, the polarity of current transformer, voltage transformer (VT).Its measuring principle is identical with the measuring principle of above-mentioned three-phase and four-line low voltage electric energy measure device electric current, voltage circuit.

Claims

1. multifunctional electric energy measuring apparatus wiring detector, it includes a phase voltammetric meter, it is characterized in that: direct supply is housed in watchcase, watchcase is provided with a pair of test jack and pair of electrodes socket, one utmost point and an electrode socket of direct supply joins, another utmost point joins by switch and another electrode socket, switch is fixed on the watchcase, and two test jacks are joined with the two ends of the switch of phase voltammetric meter respectively; This wiring detector also is equipped with and each test jack, the supporting p-wire of electrode socket.

2. multifunctional electric energy measuring apparatus wiring detector according to claim 1, it is characterized in that: described switch is for often opening touch switch.

3. multifunctional electric energy measuring apparatus wiring detector according to claim 1 is characterized in that: described direct supply is that voltage is 9 volts accumulator.