A three-phase electric energy meter modular disconnection system and its disconnection method
A three-phase electric energy meter, modular technology, applied in the direction of measuring electrical variables, instruments, measuring devices, etc., can solve the problems of short circuit of the whole equipment, increased risk of single branch line aisle, temperature rise, etc., to achieve the effect of increasing safety
Active Publication Date: 2022-04-01
HUAIHUA JIANNAN MACHINERY FACTORY CO LTD
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Problems solved by technology
[0003] The most common problem when using the existing three-phase electric energy meter is that after the main line is connected, the number of branch lines is large, which makes the internal temperature of the three-phase electric energy meter rise abnormally during the use process. The failure of the line causes a short circuit of the entire equipment, which will cause damage to the three-phase electric energy meter, and even the risk of fire. In addition, in the case of a failure, the equipment needs to be replaced, and the cost will increase. The risk of a single line aisle increases, and The main thing is that the firmness of the wiring will also deteriorate
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[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0033] Such as Figure 1-6 As shown, the present invention provides a technical solution: a three-phase electric energy meter modular disconnection system, including a bidirectional wiring mechanism 1, the top of the bidirectional wiring mechanism 1 is detachably connected with a bus connection structure 2, and the left and right sides of the bidirectional wiring mechanism 1 Both sides are plugged with an external plug 4, the top of the bus connection structur...
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The invention relates to the technical field of three-phase electric energy meters, and discloses a three-phase electric energy meter modular disconnection system and a disconnection method thereof, including a bidirectional wiring mechanism, the top of which is detachably connected with a bus connection structure. When each external plug on the two-way wiring mechanism is energized, when the pressing lever is pushed inward, the pressing lever will push the push spring in the sleeve to the push block in the drive sleeve, and the reset lever will move to the displacement block at this time. After the rod comes into contact with the two extrusion blocks, the two extrusion blocks move towards the opposite direction. At this time, the sliding block returns to its original position, the vertical rod straightens the memory metal three, and the distance between the two insulating blocks decreases. Small, so that the distance between the two connecting bars drives the sliding seat to gradually increase, and the length between the memory metal 2 and the memory metal 1 increases. Protect the safety of the equipment and the safety of the line, and after each failure, the circuit can be restored quickly.
Description
technical field [0001] The invention relates to the technical field of three-phase electric energy meters, in particular to a three-phase electric energy meter modular disconnection system and a disconnection method thereof. Background technique [0002] The three-phase watt-hour meter is mainly a three-phase four-wire active and reactive watt-hour meter. The electromagnetic element is a separate structure, and the voltage movement adopts a closed sample movement made of the whole punch. The rotating system is calibrated by static balance, and its bearing is Double jewel structure with anti-vibration spring, the damping element is made of AlCo 34 magnetic steel, and the thermomagnetic alloy sheet is used for temperature compensation. The watt-hour meter is generated by the synthesis of voltage and current components-moving into the magnetic field, so that the disk rotates under its action, and the rotation speed of the disk is proportional to the size of the loadable current...
Claims
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IPC IPC(8): G01R11/04
CPCG01R11/04
Inventor 邵榕
Owner HUAIHUA JIANNAN MACHINERY FACTORY CO LTD