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Fuse device with integrated solenoid

A technology of fuses and solenoids, applied in the field of circuit protection equipment, which can solve problems such as insufficient protection of internal fuses and solenoids, damage to solenoid fuses, etc.

Pending Publication Date: 2022-03-22
SUZHOU LITTELFUSE OVS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additionally, internal fuses and solenoids are not adequately protected from harsh operating environments, resulting in solenoid and / or fuse damage

Method used

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  • Fuse device with integrated solenoid
  • Fuse device with integrated solenoid
  • Fuse device with integrated solenoid

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0017] Fuse devices and assemblies according to the present disclosure will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of systems and methods are shown. However, fuse units and assemblies may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the systems and methods to those skilled in the art.

[0018] The approach in this article provides a solution for combining solenoids and fuses into an integrated, compact housing assembly. In some embodiments, a printed circuit board assembly (PCBA) may be provided within the housing to allow sharing of power and multiple outputs, which may be controlled by a PCBA controller. The housing's airtight cover protects internally located fuses and solenoids from harsh environmental conditions....

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PUM

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Abstract

A method for integrating a solenoid and a fuse within a compact housing is provided. In one method, a fuse device (100) may include a housing (102) including a body (104), a cover (106) coupled to a first side (110) of the body (104), and a base (112) coupled to a second side (116) of the body (104), where the cover (106) and the body (104) define a fuse cavity (120), and where the base (112) and the body (104) define a main cavity (122). The fuse device (100) may further include a plurality of fuses (124) disposed within the fuse cavity (120), and a plurality of solenoids (130) electrically connected to a printed circuit board (PCB) (132), where the plurality of fuses (124) are disposed over the PCB (132), and where the PCB (132) is positioned within the main cavity (122).

Description

technical field [0001] The present disclosure relates generally to circuit protection devices, and more particularly, to fuse assemblies with integrated solenoids. Background technique [0002] An electrical relay is a device that establishes a connection between two electrodes to transmit electrical current. Some relays include coils and magnetic switches. When current flows through the coil, a magnetic field is generated that is proportional to the current. At a predetermined point, the magnetic field is strong enough to pull the movable contact of the switch from its rest or de-energized position to its actuated or energized position pressed against the fixed contact of the switch. When the power applied to the coil drops, the magnetic field strength drops, releasing the movable contact and allowing it to return to its original de-energized position. When a relay's contacts open or close, a discharge called arcing occurs, which can cause the contacts to heat up and bur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H85/20H01H85/02
CPCH01H85/0021H01H2085/0275H01H2085/208H01H85/2045B60R16/0238H01H85/54H01H85/0241
Inventor 程都贾炎秋金丹
Owner SUZHOU LITTELFUSE OVS LTD