Intelligent circuit breaker combined device

A technology of intelligent circuit breaker and combined device, which is applied to fast-acting devices, circuits, indicating the existence of current/voltage, etc., can solve problems such as overload protection failure, avoid strong current affecting the work of the controller, reduce power consumption, The effect of reducing the internal resistance

Active Publication Date: 2016-04-20
JAECELE ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Therefore, the present invention aims to solve the technical problem that the overload protection of small and medium-sized circuit breakers in the prior art is susceptible to failure due to the influence of

Method used

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  • Intelligent circuit breaker combined device
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  • Intelligent circuit breaker combined device

Examples

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Example Embodiment

[0060] Example

[0061] This embodiment provides a smart circuit breaker combination device, such as Picture 11 , 12 Shown, including:

[0062] Circuit breaker B, such as Figure 1-3 As shown, the circuit breaker A is provided with a current detection component (which may be a current transformer and a related device for realizing current detection), and the current detection component 4 is used to obtain the current value through the circuit in the circuit breaker;

[0063] Intelligent control device A, such as Figure 7-9 As shown, it is arranged in parallel on the side of the circuit breaker B, including an intelligent control device housing, and a controller and an action mechanism located in the intelligent control device housing; the controller is used to receive the current value obtained by the current detection element, and Determine whether the circuit in the circuit breaker B is overloaded according to the current value, and when the circuit in the circuit breaker is ove...

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Abstract

The invention provides an intelligent circuit breaker combined device. A current detecting piece is arranged in a circuit breaker. The current value of a circuit in the circuit breaker is obtained through the current detecting piece and then sent into a controller of an intelligent control device on one side of the circuit breaker, and the controller makes a judgment according to the received current value, and controls and starts an action mechanism to drive the circuit breaker to be released when the current value is in an overload state for a period of time. Because the current value of the circuit in the circuit breaker is directly tested and the controller is used for intelligent control, the problem that a thermal releaser is prone to fails caused by the external environment air temperature influences is solved. Meanwhile, due to the fact that the thermal releaser is omitted, the internal resistance of the circuit breaker is greatly reduced, and the power consumption and the heating amount of the circuit breaker are reduced. In addition, the controller is independently arranged in the intelligent control device outside the circuit breaker, the problem that a controller can not be put in a narrow space of a circuit breaker is solved, and meanwhile it can be avoided that the work of a controller is influenced by strong current.

Description

technical field [0001] The invention relates to the technical field of electrical switches, in particular to an intelligent circuit breaker combination device. Background technique [0002] The miniature circuit breaker is the most widely used terminal protection device in the building electrical terminal power distribution device. The miniature circuit breaker is composed of opening and closing mechanism, contacts, protection devices (various releases and current heating components), arc extinguishing system, etc. [0003] Its working principle is: use the protection device (release) and the current heating component to realize overload and short circuit protection. When the current passing through the coil in the current heating component is greater than the set current value, the moving iron core of the electromagnetic release will act , Push the striking lever to hit the operating mechanism, unlock the operating mechanism, open the circuit breaker and disconnect the cir...

Claims

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Application Information

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IPC IPC(8): H01H71/24H01H71/70H01H1/50H01H5/04G01R19/145
CPCG01R19/145H01H1/502H01H5/04H01H71/24H01H71/70
Inventor 彭全昌刘永华
Owner JAECELE ELECTRIC
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