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Flux gate current sensor and assembly method thereof

A technology of a current sensor and an assembly method, applied in the field of sensors, can solve the problems of high cost and complex molding, and achieve the effects of less consumables, improved production efficiency, and improved dynamic indicators

Pending Publication Date: 2018-06-22
深圳市艾华迪技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The iron cores used in the fluxgate current sensors currently on the market are usually complex-shaped iron cores, and the cost is relatively high

Method used

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  • Flux gate current sensor and assembly method thereof
  • Flux gate current sensor and assembly method thereof
  • Flux gate current sensor and assembly method thereof

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Embodiment Construction

[0036] 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.

[0037] The invention relates to a fluxgate current sensor. The fluxgate current sensor can improve the dynamic response of the closed-loop current sensor and reduce eccentricity. The fluxgate current sensor of the invention can be used to measure direct current, alternating current and pulse current.

[0038] Such as figure 1As shown, the fluxgate current sensor of the present invention includes a housing upper cover 1 and a housing lower cover 8 snap-connecte...

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Abstract

The invention provides a flux gate current sensor and assembly method thereof, comprising a first winding coil, a second winding coil arranged side by side with the said first winding coil, an iron core and a magnetic field detecting element arranged inside the said first winding coil and two second small iron cores and two third large iron cores which are inserted into and connected with the first winding coil and the second winding coil; the said magnetic field detecting element is located between one of the two second small iron cores and one of the two third large iron cores. The flux gate current sensor of the invention is a three-iron core flux gate current sensor, which solves the problems of output current oscillation and overshoot of and eccentricity measurement in dynamic response of a single iron core; it can greatly improve the dynamic index of the flux gate current sensor, effectively reduce the output current oscillation and overshoot, as well as the eccentricity causedby uneven magnetic resistance, at the same time, it can simplify the iron core design, reduce the product cost and improve the production efficiency.

Description

technical field [0001] The invention belongs to the technical field of sensors, in particular to a fluxgate current sensor and an assembly method thereof. Background technique [0002] The sensor is a detection device that can detect the relevant information of the equipment under inspection, and convert it into an electrical signal or other required form of information output according to a certain rule, so as to meet the requirements of information transmission, processing, storage, display, recording and control. Sensors have a wide range of applications and provide a necessary technical support for instrumentation equipment. The Hall current sensor is a current detection element developed by applying the Hall effect principle to isolate and detect the primary current. The magnetic field generated by the primary current is collected by the magnetic gathering ring, and the Hall element placed in the magnetic gathering ring The magnetic field is collected to generate a Hal...

Claims

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Application Information

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IPC IPC(8): G01R19/00G01R15/00G01R15/18
CPCG01R15/00G01R15/18G01R19/00
Inventor 吴建安张洪瑞
Owner 深圳市艾华迪技术有限公司
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