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Ammeter external-use device

A technology for an electric meter and a casing, which is applied in the field of external devices for electric meters, can solve the problems of meter reading, inconvenient inspection, no air switch setting, no lighting device, etc.

Inactive Publication Date: 2016-06-01
CHONGQING ZHONGLI HYDROPOWER DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002]The current electric meter shell has no lighting device, and there is no air switch setting. In rural areas, it is necessary to check the condition of the electric meter. , inspection etc. cause inconvenience

Method used

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  • Ammeter external-use device

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Embodiment Construction

[0009] Below in conjunction with Fig. 1, describe in detail the concrete work situation that the present invention proposes, figure 1 Install the switch 8 and the movable lamp holder 5 on the shell of the main body 7 of the electric meter, the LED lamp 4 is connected on the movable lamp holder 5, the circuit breaker 3 and the alarm 2 are installed at the end of the meter circuit 1, the switch 8, the movable lamp holder 5 is connected to the near end of the outgoing line 1 by wired.

[0010] When you need to check the degree of the meter, turn on the switch 8, and the LED light 4 is on, and you can clearly see the degree of the meter; if there is a short circuit at the far end of the meter line 1, the circuit breaker 3 will automatically disconnect, and the alarm 2 will alarm , effectively protect the main body 7 of the ammeter from being damaged, and at the same time repair the circuit around the main body 7 of the ammeter, the LED lamp 4 can also provide illumination.

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Abstract

The invention relates to an ammeter external-use device. A switch and a movable lamp seat are installed on a housing of an ammeter main body, the movable lamp seat is connected with an LED lamp, and an air-switch device and an alarm are installed on an ammeter output line end. When a user needs to check the reading of the ammeter, the user can clearly see the reading of the ammeter by switching on the switch to turn on the LED lamp; if the ammeter output line end is short-circuited, the air-switch device is automatically switched off, the alarm sends out an alarm, so that the ammeter main body is effectively prevented from being damaged; in addition, the LED lamp can also provide illumination for the maintenance of the circuits surrounding the ammeter main body.

Description

technical field [0001] The invention is an external device for an electric meter, which belongs to the technical field of electric appliances. Especially suitable for rural installation and use. Background technique [0002] The current electric meter shell has no lighting device and no open switch setting. In rural areas, it is necessary to check the situation of the electric meter with the help of lighting devices such as flashlights, which brings inconvenience to meter reading and inspection. Contents of the invention [0003] The purpose of the present invention is to provide an external device for an electric meter, which can directly provide lighting by turning on the lighting lamp on the casing when checking the electric meter, and at the same time, the circuit breaker can be automatically disconnected when the circuit is short-circuited. [0004] Its purpose is achieved in this way, an electric meter external device is composed of a meter output circuit, an alarm,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R11/02
Inventor 陈森
Owner CHONGQING ZHONGLI HYDROPOWER DEV