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A technology of circuit breakers and digital converters, applied in the direction of circuits, circuit devices, emergency protection circuit devices, etc., can solve problems such as restrictions

Active Publication Date: 2021-06-25
HAGER ELECTRO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] A disadvantage of known circuit breakers is that the modularity of primary and secondary functions is limited by their construction

Method used

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Embodiment Construction

[0014] The current flowing on the line will of course vary according to the electrical energy required by the device. The main role of the circuit breaker is to monitor whether the current exceeds some predetermined current value, which may cause the circuit to overheat and thus cause a fire. On the other hand, the circuit breaker also monitors to observe the presence of possible short circuits on the line. When the circuit breaker observes an anomaly such as a short circuit on the line, it will perform a de-energization on the line to keep the device safe.

[0015] figure 1 shows the value i 1 and i 2 current range between, where i 1 For example equal to 15A and i 2 Equal to 40A. at time t 1 and t 2 , the measured value of the current present on the supply line is less than i 1 , so there is no exception on the line. at time t 3 and t 4 , the measured value of the current present on the line is greater than i 1 but less than i 2 . at time t 5 , the measured va...

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Abstract

a circuit breaker (1) comprising a sensor (3) arranged to measure and provide a measurement of the current flowing in the supply line (2), the sensor being connected to monitoring means (6, 7), The monitoring means is arranged to receive data relating to the measured current, the monitoring means is arranged to generate a first control signal when the current measurement is observed to be within a predetermined current range, and when the current value is observed to exceed the predetermined current range. The second control signal is generated when the above-mentioned current range, the monitoring component includes a main unit (6) and an auxiliary unit (7), the main unit is set to perform the main function of protecting the electrical device, and the auxiliary unit is set to is activated under the control of the control signal and performs the secondary functions of the electrical device.

Description

technical field [0001] The present invention relates to a circuit breaker comprising a current sensor arranged to measure the current flowing in a supply line of an electrical installation and to provide a measured current measurement, the sensor being connected to an analog-to-digital converter, the The analog-to-digital converter is arranged to convert the measured value into a digital current measured value, the converter is connected to the monitoring member of the current, and the monitoring member has a function for receiving a signal related to the current flowing in the electrical device. The input end of the data, the monitoring component is set to detect whether the digital current measurement value is in the range between the first threshold value and the second threshold value of the current on the one hand, and detect whether the digital current measurement value is greater than the first threshold value on the other hand. Two thresholds, the second threshold bein...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H71/12H02H3/02
CPCH01H71/123H01H71/125H02H3/08H02H3/093H02H3/20
Inventor 文森特·盖瑟斯
Owner HAGER ELECTRO LTD