Meter position wiring device for calibration of standard electric energy meter

Abstract

The utility model discloses a meter position wiring device for calibration of a standard electric energy meter, and relates to the technical field of electric energy meter calibration equipment, according to the meter position wiring device for calibration of the standard electric energy meter, a connecting wire, close to a pin, of the electric energy meter is placed in a placement groove, and the pin at the front end is lapped in a connecting groove; the outer sleeve boxes are close to the connecting grooves by rotating the connecting plates, the outer sleeve boxes are driven by the elastic telescopic rods to generate extrusion force, so that the contact copper sheets in the outer sleeve boxes and the connecting grooves are tightly attached to the pins, meanwhile, the extrusion strips and the protrusions are matched to clamp the connecting wires in the containing grooves, the electric energy meter can be quickly connected, and the working efficiency is improved. When the connecting plate is turned over, the inclined extrusion surface of the locking rod is extruded through the locking piece, so that the locking rod is extruded into the movable cavity, when the insertion hole is aligned with the movable cavity, the locking rod is driven by the spring again to move into the insertion hole, locking of the connecting plate is completed, and convenience and stability of connection of the meter position wiring device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric energy meter calibration equipment, in particular to a meter position wiring device for calibrating a standard electric energy meter. Background Art

[0002] Energy meter calibration is a process involving multiple steps and standards, which aims to ensure the accuracy and reliability of the energy meter. This process includes not only the appearance and structure inspection of the energy meter, but also a comprehensive inspection of its circuits, faults, protection devices, and accuracy inspection. Energy meter calibration is a key process to ensure the accuracy of the energy meter. It is essential to prevent the occurrence of positive and negative errors to reduce disputes between power suppliers and users. In addition, energy meter calibration can also help improve sorting accuracy and avoid manual inspection errors.

[0003] For example, patent number CN214540000U, the utility model discloses a meter position wiring device for standard electric energy meter calibration, including: a housing, a voltage and current wiring port 1, a voltage and current wiring port 2 and a pulse input and output port, the voltage and current wiring port 1, the voltage and current wiring port 2 and the pulse input and output port are all installed on the housing; the voltage and current wiring port 1 is used to connect with the calibration standard; the voltage and current wiring port 2 is used to directly connect with the meter position terminal of the device to be calibrated; the pulse input and output port is used to transmit pulse signals between the standard device and the device to be calibrated. The utility model can realize the calibration of the electric energy meter calibration device by the standard electric energy meter, and can directly connect to the meter position according to the wiring method of the ordinary electric energy meter, thereby improving the accuracy, safety and reliability of the wiring.

[0004] When using the existing meter connection device for calibrating electric energy meters, it is usually necessary to temporarily connect multiple connecting wires to the electric energy meter. The connection process is relatively cumbersome and time-consuming, which is not conducive to improving the convenience of using the meter connection device for calibrating electric energy meters. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a standard meter wiring device for calibrating electric energy meters to solve the problem raised in the above background technology that the existing meter wiring device for calibrating electric energy meters usually needs to be temporarily connected to the electric energy meter with multiple connecting wires when in use, and the connection process is relatively cumbersome and time-consuming, which is not conducive to improving the convenience of using the meter wiring device for calibrating electric energy meters.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a meter wiring device for standard electric energy meter calibration, including a wiring device body, a calibration standard device connection port is arranged on the rear side of the left end of the wiring device body, a meter terminal connection port is arranged on the front side of the upper end of the wiring device body, a connection groove is arranged on the upper end of the meter terminal connection port, a protrusion is fixedly installed on the upper end of the meter terminal connection port at the side of the connection groove, a placement groove is arranged on the protrusion, and a connection plate is rotatably connected to the upper end of the wiring device body at the side of the meter terminal connection port, An inner box is fixedly installed at the front end of the connecting plate, an elastic telescopic rod is fixedly installed inside the inner box, an outer box is fixedly installed at one end of the elastic telescopic rod away from the inner box, an extrusion strip is fixedly installed at the front end of the connecting plate on the side of the inner box, locking pieces are fixedly installed at both left and right ends of the connecting plate, and jacks are provided on the locking pieces, and movable cavities are provided at both left and right ends of the wiring device body below the table terminal connection port, a spring is fixedly installed inside the movable cavity, a locking rod is fixedly installed on the spring, and a pull rod is fixedly installed at the front end of the locking rod.

[0007] Preferably, the connection grooves are evenly distributed, and contact copper sheets are arranged inside the connection grooves.

[0008] Preferably, the inner boxes are evenly distributed, and the inner boxes are slidably connected to the outer boxes.

[0009] Preferably, the front end of the outer casing is provided with the same contact copper sheet, and the outer casing and the connecting groove are adapted to each other.

[0010] Preferably, the extrusion strip and the protrusion are adapted to each other, the extrusion strip is made of elastic rubber material, and the placement grooves are evenly distributed.

[0011] Preferably, the movable cavity is slidably connected to the locking rod, and an inclined extrusion surface is provided at one end of the locking rod away from the spring.

[0012] Preferably, the front end of the pull rod extends to the outside of the movable cavity and is slidably connected to the movable cavity, and the end of the locking rod away from the spring extends to the outside of the movable cavity and is connected to the socket pin.

[0013] Beneficial Effects

[0014] The utility model provides a meter position wiring device for standard electric energy meter calibration. Compared with the prior art, it has the following beneficial effects:

[0015] 1. The meter position wiring device for the calibration of the standard electric energy meter first places the connecting wires of the electric energy meter close to the pins in the placement groove, and makes the front pins rest in the connection groove, and the outer cover box is made close to the connection groove by rotating the connection plate, and the outer cover box is driven by the elastic telescopic rod to generate an extrusion force, so that the outer cover box and the contact copper sheet in the connection groove are tightly fitted with the pins, and the extrusion strip and the protrusion are used to clamp the connecting wires in the placement groove, which is conducive to quickly connecting the electric energy meter and improving work efficiency.

[0016] 2. In the meter connection device for calibration of standard electric energy meters, when the connection plate is turned over, the locking piece squeezes the inclined squeezing surface of the locking rod so that the locking rod is squeezed into the movable cavity. When the socket is aligned with the movable cavity, the spring is used to drive the locking rod to move into the socket again to complete the locking of the connection plate, which is beneficial to improving the convenience and stability of the connection of the meter connection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the outer jacket box structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the movable cavity structure of the utility model.

[0021] In the figure: 1. Wiring device body; 2. Calibration standard connection port; 3. Meter terminal connection port; 4. Connection groove; 5. Protrusion; 6. Placement groove; 7. Connection plate; 8. Inner box; 9. Elastic telescopic rod; 10. Outer box; 11. Extrusion strip; 12. Locking piece; 13. Socket; 14. Movable cavity; 15. Spring; 16. Locking rod; 17. Pull rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4The utility model provides a technical solution: a meter position wiring device for calibration of a standard electric energy meter, comprising a wiring device body 1, a calibration standard device connection port 2 is arranged on the rear side of the left end of the wiring device body 1, a meter position terminal connection port 3 is arranged on the front side of the upper end of the wiring device body 1, a connection groove 4 is arranged on the upper end of the meter position terminal connection port 3, a protrusion 5 is fixedly installed on the upper end of the meter position terminal connection port 3 at the side of the connection groove 4, a placement groove 6 is arranged on the protrusion 5, a connection plate 7 is rotatably connected to the upper end of the wiring device body 1 at the side of the meter position terminal connection port 3, an inner sleeve box 8 is fixedly installed on the front end of the connection plate 7, an elastic telescopic rod 9 is fixedly installed inside the inner sleeve box 8, an outer sleeve box 10 is fixedly installed on the end of the elastic telescopic rod 9 away from the inner sleeve box 8, and an extrusion strip 11 is fixedly installed on the front end of the connection plate 7 at the side of the inner sleeve box 8. The connecting grooves 4 are evenly distributed, and contact copper sheets are arranged inside the connecting grooves 4. The inner sleeves 8 are evenly distributed, and the inner sleeves 8 and the outer sleeves 10 are slidably connected. The front end of the outer sleeve 10 is provided with the same contact copper sheets. The outer sleeve 10 and the connecting grooves 4 are adapted to each other, and the extrusion strips 11 and the protrusions 5 are adapted to each other. The extrusion strips 11 are made of elastic rubber material, and the placement grooves 6 are evenly distributed. First, the connecting wires of the electric energy meter close to the pins are placed in the placement grooves 6, and the pins at the front end are placed in the connecting grooves 4. The outer sleeves 10 are all close to the connecting grooves 4 by rotating the connecting plate 7, and the elastic telescopic rods 9 are used to drive the outer sleeves 10 to generate extrusion force, so that the contact copper sheets in the outer sleeves 10 and the connecting grooves 4 are tightly fitted with the pins. At the same time, the extrusion strips 11 and the protrusions 5 are used to clamp the connecting wires in the placement grooves 6, which is conducive to quickly connecting the electric energy meter and improving work efficiency.

[0024] The left and right ends of the connecting plate 7 are fixedly installed with locking pieces 12, and the locking pieces 12 are provided with jacks 13. The left and right ends of the wiring device body 1 are located below the table terminal connection port 3 and are provided with movable cavities 14. A spring 15 is fixedly installed inside the movable cavity 14, and a locking rod 16 is fixedly installed on the spring 15. A pull rod 17 is fixedly installed at the front end of the locking rod 16. The movable cavity 14 is slidably connected with the locking rod 16. The end of the locking rod 16 away from the spring 15 is provided with an inclined extrusion surface, and the front end of the pull rod 17 extends to The outer side of the movable cavity 14 is slidably connected to the movable cavity 14, and the end of the locking rod 16 away from the spring 15 extends to the outer side of the movable cavity 14 and is connected to the plug hole 13 by a pin. When the connecting plate 7 is flipped over, the inclined extrusion surface of the locking rod 16 is squeezed by the locking piece 12, so that the locking rod 16 is squeezed into the movable cavity 14. When the plug hole 13 is aligned with the movable cavity 14, the spring 15 is used to drive the locking rod 16 to move into the plug hole 13 again, thereby completing the locking of the connecting plate 7, which is beneficial to improving the convenience and stability of the connection of the table wiring device.

[0025] During operation, first place the connecting wire of the electric energy meter close to the pin in the placement groove 6, and make the pin at the front end rest in the connection groove 4, and make the outer cover box 10 close to the connection groove 4 by rotating the connection plate 7, and use the elastic telescopic rod 9 to drive the outer cover box 10 to generate an extrusion force, so that the contact copper sheet in the outer cover box 10 and the connection groove 4 are tightly fitted with the pin, and at the same time, cooperate with the extrusion bar 11 and the protrusion 5 to clamp the connecting wire in the placement groove 6. When turning over the connection plate 7, the inclined extrusion surface of the locking rod 16 is squeezed by the locking piece 12, so that the locking rod 16 is squeezed into the active cavity 14. When the socket 13 is aligned with the active cavity 14, the spring 15 is used to drive the locking rod 16 to move into the socket 13 again to complete the locking of the connection plate 7.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A standard electric energy meter calibration meter position wiring device, comprising a wiring device body (1), characterized in that: A calibration standard device connection port (2) is arranged at the rear side of the left end of the wiring device body (1), a table terminal connection port (3) is arranged at the front side of the upper end of the wiring device body (1), a connection groove (4) is arranged at the upper end of the table terminal connection port (3), a protrusion (5) is fixedly installed at the upper end of the table terminal connection port (3) at the side of the connection groove (4), a placement groove (6) is arranged on the protrusion (5), a connection plate (7) is rotatably connected to the upper end of the wiring device body (1) at the side of the table terminal connection port (3), an inner sleeve box (8) is fixedly installed at the front end of the connection plate (7), and an elastic telescopic rod (9) is fixedly installed inside the inner sleeve box (8). ), an outer box (10) is fixedly installed at one end of the elastic telescopic rod (9) away from the inner box (8), an extrusion strip (11) is fixedly installed at the front end of the connecting plate (7) located on the side of the inner box (8), a locking piece (12) is fixedly installed at both the left and right ends of the connecting plate (7), and a plug hole (13) is provided on the locking piece (12), and a movable cavity (14) is provided at both the left and right ends of the wiring device body (1) located below the table terminal connection port (3), a spring (15) is fixedly installed inside the movable cavity (14), a locking rod (16) is fixedly installed on the spring (15), and a pull rod (17) is fixedly installed at the front end of the locking rod (16).

2. A standard electric energy meter calibration meter connection device according to claim 1, characterized in that: The connection grooves (4) are evenly distributed, and contact copper sheets are arranged inside the connection grooves (4).

3. A meter position wiring device for calibration of a standard electric energy meter according to claim 1, characterized in that: The inner sleeve box (8) is evenly distributed, and the inner sleeve box (8) and the outer sleeve box (10) are slidably connected.

4. A meter position wiring device for calibration of a standard electric energy meter according to claim 3, characterized in that: The front end of the outer casing (10) is provided with a same contact copper sheet, and the outer casing (10) and the connecting groove (4) are adapted to each other.

5. The meter position wiring device for calibration of a standard electric energy meter according to claim 1, characterized in that: The extrusion strip (11) and the protrusion (5) are adapted to each other, the extrusion strip (11) is made of elastic rubber material, and the placement grooves (6) are evenly distributed.

6. A meter position wiring device for calibration of a standard electric energy meter according to claim 1, characterized in that: The movable cavity (14) is slidably connected to a locking rod (16), and an end of the locking rod (16) away from the spring (15) is provided with an inclined extrusion surface.

7. A meter position wiring device for calibration of a standard electric energy meter according to claim 6, characterized in that: The front end of the pull rod (17) extends to the outside of the movable cavity (14) and is slidably connected to the movable cavity (14), and the end of the locking rod (16) away from the spring (15) extends to the outside of the movable cavity (14) and is connected to the plug of the socket (13).

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