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Novel ammeter

An electric meter, a new type of technology, applied in the direction of measuring electrical variables, measuring devices, instruments, etc., can solve problems such as hidden dangers of electrical equipment and personal safety, endanger the safety of power grids, etc., to promote safety, improve safety, and be easy to popularize and apply. Effect

Inactive Publication Date: 2017-05-17
CHENGDU 90 DEGREE IND PROD DESIGN CO LTD
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  • Summary
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  • Application Information

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Problems solved by technology

[0004] Now the phenomenon of stealing electricity has been repeatedly banned, which not only endangers the safety of the power grid, but also brings hidden dangers to electrical equipment and personal safety.

Method used

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  • Novel ammeter

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specific Embodiment 1

[0028] Such as figure 1 As shown, the novel electricity meter of the present invention includes an electricity meter body 1 and a transformer 2, and the electricity meter body 1 and the transformer 2 are connected in series. The input voltage of the transformer 2 is different from the load rated voltage, and the input voltage is the load rated voltage. The input voltage of the transformer 2 is 240-342V, and the input end of the electric meter body 1 is connected to the secondary side of the transformer 2 or the output end of the electric meter body 1 is connected to the primary side of the transformer 2 . The ammeter body 1 can be set at the input end of the transformer 2 or at the output end of the transformer 2 . The turns ratio of the transformer 2 is adjustable. The device can adjust the turns ratio according to different needs or different power supply voltages, so as to realize the purpose of safely using the electric energy meter.

specific Embodiment 2

[0029] specific embodiment 2 Summary of the invention: a kind of novel ammeter of the present invention is the industrial equipment power supply of 380v ± 10% for rated voltage, comprises ammeter body 1, transformer 2, and ammeter body 1 is connected in series with transformer 2. The ammeter is greater than 418V. The turns ratio of the transformer 2 is adjustable. The transformer 2 is fixedly connected with the meter body 1 . It also includes an insulating shell, in which the transformer 2 and the meter body 1 are arranged. The transformer 2 is a three-phase variable transformer 2; the meter body 1 is a three-phase electric energy meter. The input end of the meter body 1 is provided with a voltage stabilizer.

specific Embodiment 3

[0031] A new electric meter of the present invention supplies power for industrial equipment with a rated voltage of 220v±10%, and includes an electric meter body 1 and a transformer 2, and the electric meter body 1 and the transformer 2 are connected in series. The input voltage of the transformer 2 is less than 200V, such as 110v. The turns ratio of the transformer 2 is adjustable. The transformer 2 is fixedly connected with the meter body 1 . It also includes an insulating shell, in which the transformer 2 and the meter body 1 are arranged. The transformer 2 is a three-phase variable transformer 2; the meter body 1 is a three-phase electric energy meter. The input end of the meter body 1 is provided with a voltage stabilizer. This method of using low-voltage voltage as the input voltage can avoid personal injury caused by high voltage when electricity theft occurs.

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Abstract

The invention relates to a novel ammeter and belongs to the electrical equipment field. The ammeter comprises an ammeter body and a transformer. The ammeter body and the transformer are connected in series. An input voltage of the transformer is different from a rated load voltage and the input voltage is the rated load voltage. An output voltage of the transformer is 200-240V or 342-418V. The input voltage of the transformer is less than 200V or 240-342V or is greater than 418V. An input terminal of the ammeter body is connected to a secondary side of the transformer or an output terminal of the ammeter body is connected to a primary side of the transformer. The ammeter has an advantage that an electricity stealing phenomenon is effectively prevented, wherein the electricity stealing phenomenon is generated because a user wants to save money; the user directly connects a household appliance or other loads to an input terminal of the ammeter so that the electricity stealing phenomenon is generated; and the electricity stealing phenomenon destroys safety of a power grid and simultaneously brings a hidden trouble for personal safety.

Description

technical field [0001] The invention relates to a novel electric meter, which belongs to the field of electrical equipment. Background technique [0002] An electric energy meter is an instrument used to measure electric energy, also known as an electric meter, a fire meter, or a kilowatt-hour meter, and refers to an instrument for measuring various electrical quantities. Current meter in use. The current coil inside the meter is short-circuited on the lead wire outside the meter to achieve the cheating effect of using electricity without running characters or less characters. This method of stealing electricity is very simple, that is, use a small section of wire outside the meter to short-circuit the two connectors of the meter to achieve the purpose. This method does not destroy the lead seal, the case, does not need to be connected to the open wire, and is easy to camouflage and emergency destruction, so it is adopted by many users. This is a serious social phenomenon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R11/24
CPCG01R11/24
Inventor 肖勇
Owner CHENGDU 90 DEGREE IND PROD DESIGN CO LTD
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