CN211293230U - Three-phase electric energy meter on-site calibrator wire connector - Google Patents
Three-phase electric energy meter on-site calibrator wire connector Download PDFInfo
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- CN211293230U CN211293230U CN201921681539.2U CN201921681539U CN211293230U CN 211293230 U CN211293230 U CN 211293230U CN 201921681539 U CN201921681539 U CN 201921681539U CN 211293230 U CN211293230 U CN 211293230U
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Abstract
The utility model relates to a three-phase electric energy meter on-site calibration instrument wire connector, which comprises a plurality of voltage indicator lamps and pulse indicator lamps arranged at one end of a shell, wherein each pulse indicator lamp comprises an active pulse output finger lamp and a reactive pulse output finger lamp; the side surface of the shell is provided with a pulse signal output interface and a voltage output line of the tested electric energy meter; the shell other end is equipped with the voltage probe of voltage terminal when a set of three-phase three-wire electric energy meter of detection, a set of voltage probe of voltage terminal when connecting the three-phase four-wire electric energy meter and a set of pulse output terminal pulse signal output probe of connecting the electric energy meter, and the shell other end joint of connector is on the three-phase electric energy meter, and voltage output line connects external device output voltage. The utility model discloses wiring trouble, the unsafe scheduling problem of operation during the on-the-spot electric energy meter field check-up can be solved. Use the utility model discloses, can be through disposable crimping, to the electric energy meter voltage connection line that is detected, the pulse wiring is once only accomplished.
Description
Technical Field
The utility model relates to a wire connector, especially a three-phase electric energy meter on-spot check gauge wire connector.
Background
At present, a three-phase electric energy meter is an important device for electric energy metering, however, wiring is troublesome during field calibration of the electric energy meter, wiring terminals are more and are unreliable in connection, the problems of unsafe operation and the like exist, potential safety hazards exist, how to eliminate the potential safety hazards and improve wiring efficiency are the technical problems which need to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a three-phase electric energy meter on-site calibration appearance connector, the wiring is convenient, has reduced the safety risk.
The technical scheme of the utility model is specifically as follows:
a three-phase electric energy meter on-site calibration instrument wire connector comprises a plurality of voltage indicator lamps and pulse indicator lamps which are arranged at one end of a shell, wherein each pulse indicator lamp comprises an active pulse output finger lamp and a reactive pulse output finger lamp; the side surface of the shell is provided with a pulse signal output interface and a voltage output line of the tested electric energy meter; the shell other end is equipped with the voltage probe of voltage terminal when a set of three-phase three-wire electric energy meter of detection, a set of voltage probe of voltage terminal when connecting the three-phase four-wire electric energy meter and a set of pulse output terminal pulse signal output probe of connecting the electric energy meter, and the shell other end joint of connector is on the three-phase electric energy meter, and voltage output line connects external device output voltage.
Further, there are three voltage indicator lights.
Furthermore, the active pulse signal output interface and the reactive pulse signal output interface are connected with the pulse signal input of the field calibrator through plug connecting wires.
Further, the voltage output line is connected to a voltage input interface of the field check meter.
Further, there are 4 voltage probes of the voltage terminal when the three-phase four-wire electric energy meter is connected, and there are 3 voltage probes of the voltage terminal when the three-phase three-wire electric energy meter is detected.
Furthermore, the wire connector is clamped on the three-phase electric energy meter through movable bayonets at two ends of the shell.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) the utility model discloses wiring trouble, the unsafe scheduling problem of operation during the on-the-spot electric energy meter field check-up can be solved.
(2) Use the utility model discloses, can be through disposable crimping, to the electric energy meter voltage connection line that is detected, the pulse wiring is once only accomplished.
Drawings
Fig. 1 is a schematic structural view of the back side of the present invention;
FIG. 2 is a schematic structural view of the front side of the present invention;
fig. 3 is a perspective view of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some examples of the present invention, not all examples. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, the three-phase electric energy meter field calibration instrument wire connector of this embodiment includes 3 voltage indicator lamps and pulse indicator lamps that locate shell one end, and the voltage indicator lamp includes UA voltage indicator lamp 1, UB voltage indicator lamp 2, UC voltage indicator lamp 3. The pulse indicating lamp comprises an active pulse output indicator lamp P4 and a reactive pulse output indicator lamp Q5.
The side surface of the shell is provided with a pulse signal output interface 6 and a voltage output line 7 of the electric energy meter to be tested.
As shown in fig. 2 and 3, the other end of the housing is provided with a group of voltage probes 8 for detecting the voltage terminal when the three-phase three-wire electric energy meter is detected, a group of voltage probes 9 for connecting the voltage terminal when the three-phase four-wire electric energy meter is connected, and a group of pulse output terminal pulse signal output probes 10 for connecting the electric energy meter, the other end of the housing of the wire connector is clamped on the three-phase electric energy meter, and the voltage output line is connected with the output voltage of the external.
The active pulse signal output interface and the reactive pulse signal output interface are connected with the pulse signal input of the on-site calibration instrument through plug connecting lines. The voltage output line 7 is connected to a voltage input interface of the field verifier. The wire connector of the embodiment is clamped on the three-phase electric energy meter through the movable bayonets 11 at the two ends of the shell. As shown in fig. 2 and 3, the movable bayonet 11 extends out of the housing, and has a spring at one end and a button 12 at the other end.
The electric energy meter of this embodiment is a DTSD718 three-phase four-wire electronic multifunctional electric energy meter, and the rear end of the electric energy meter is provided with a portion for accommodating the connector of this embodiment, and when the electric energy meter is put in, the movable bayonet 11 is clamped into a corresponding position, and when the electric energy meter is taken out, the button 12 is pressed to take out the electric energy meter.
The connector of the present embodiment has a voltage indicator lamp and a pulse indicator lamp. When the pressure welding is in place, UA, UB and UC indicator lamps are lightened to indicate that the pressure welding is normal. The pulse indicator P, Q shows active and idle pulse output, and when pulse signal access was normal, when the electric energy meter sent pulse signal, P, Q pilot lamp scintillation showed that pulse signal crimping was normal. When the active pulse is output, the active signal indicator lamp flickers. When the reactive pulse is output, the reactive signal indicator lamp flickers. When the wire connector is pressed into the meter tail of the electric energy meter, the bayonet is buckled on the meter tail of the electric energy meter, and the wire connector is prevented from falling off. The probe used in the meter connector is internally provided with a spring which can freely stretch and retract.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a three-phase electric energy meter on-spot check gauge connector which characterized in that: the pulse indicating lamp comprises an active pulse output finger lamp and a reactive pulse output finger lamp; the side surface of the shell is provided with a pulse signal output interface and a voltage output line of the tested electric energy meter; the shell other end is equipped with the voltage probe of voltage terminal when a set of three-phase three-wire electric energy meter of detection, a set of voltage probe of voltage terminal when connecting the three-phase four-wire electric energy meter and a set of pulse output terminal pulse signal output probe of connecting the electric energy meter, and the shell other end joint of connector is on the three-phase electric energy meter, and voltage output line connects external device output voltage.
2. The three-phase electric energy meter field check meter wire connector of claim 1, characterized in that: the number of the voltage indicator lamps is three.
3. The three-phase electric energy meter field check meter wire connector of claim 1, characterized in that: the active pulse signal output interface and the reactive pulse signal output interface are connected with the pulse signal input of the on-site calibration instrument through plug connecting lines.
4. The three-phase electric energy meter field check meter wire connector of claim 1, characterized in that: the voltage output line is connected to a voltage input interface of the field calibrator.
5. The three-phase electric energy meter field check meter wire connector of claim 1, characterized in that: the voltage probe of voltage terminal has 4 when connecting three-phase four-wire electric energy meter, and the voltage probe of voltage terminal has 3 when detecting three-phase three-wire electric energy meter.
6. The three-phase electric energy meter field check meter wire connector of claim 1, characterized in that: the wire connector is clamped on the three-phase electric energy meter through movable bayonets at two ends of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921681539.2U CN211293230U (en) | 2019-10-10 | 2019-10-10 | Three-phase electric energy meter on-site calibrator wire connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921681539.2U CN211293230U (en) | 2019-10-10 | 2019-10-10 | Three-phase electric energy meter on-site calibrator wire connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211293230U true CN211293230U (en) | 2020-08-18 |
Family
ID=72020171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921681539.2U Active CN211293230U (en) | 2019-10-10 | 2019-10-10 | Three-phase electric energy meter on-site calibrator wire connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211293230U (en) |
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2019
- 2019-10-10 CN CN201921681539.2U patent/CN211293230U/en active Active
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