A. C. Power generator

An alternator and circuit board technology, which is applied to synchronous generators, electromechanical devices, electrical components, etc., can solve the problem of increased cooling wind resistance, poor connection workability, the first unidirectional energization element body and the second The cooling performance of the unidirectional energization element body is reduced, and the effect of reducing the resistance and wind noise is achieved.

CN101395787AActive Publication Date: 2009-03-25MITSUBISHI ELECTRIC CORP
1 Cites 1 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2009-03-25

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The rectifier of an inventive AC generator comprises a first heat sink; first unidirectional conduction elements arranged at intervals on the surface of the first heat sink; a second heat sink provided spaced apart from the first heat sink, second unidirectional conduction elements arranged at intervals on the surface of the second heat sink; and a circuit board having terminals connected to constitute a bridge circuit with regard to the first unidirectional conduction elements and the second unidirectional conduction elements. The first terminals of the first unidirectional conduction elements and the second terminals of the second unidirectional conduction elements are connected contiguously on the same surface of the terminals, respectively, to constitute terminal side joints. Consequently, connection workability is enhanced between the terminals and the first terminals of the first unidirectional conduction elements and the second terminals of the second unidirectional conduction elements.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The present invention relates to an alternator having a rectifier for rectifying an alternating current generated by a stator of a vehicle alternator mounted on a vehicle, for example, into a direct current. Background technique

[0002] As a conventional vehicle alternator, it is known to have: a casing; a rotor fixed to the shaft provided in the casing and having a fan at the end; a fan installed so as to surround the rotor and generated by a rotating magnetic field from the rotor. A stator for alternating current; and a rectifier provided on the end side of the shaft and rectifying the above-mentioned alternating current generated by the stator, the rectifier includes: a first radiator; The configured first unidirectional current-carrying element body; the second radiator arranged radially outside the first radiator; the second unidirectional radiator arranged at a certain interval on the surface of the second radiator An energizing element body; a...

Examples

Embodiment Construction

[0018] Hereinafter, each embodiment of the present invention will be described with reference to the drawings, but the same or corresponding parts and locations will be described with the same reference numerals in each of the drawings.

[0019] Embodiment 1

[0020] figure 1 is a side sectional view of a vehicle alternator (hereinafter, simply referred to as an alternator) according to Embodiment 1 of the present invention, and FIG. 2 is figure 1 The circuit diagram of the alternator, image 3 yes means figure 1 A perspective view of the rotor 6.

[0021] In this alternator, a shaft 5 , to which a pulley 4 is fixed at one end, is provided in a casing 3 composed of an aluminum front end cover 1 and a rear end cover 2 , and is rotatable. On this shaft 5 a Randall-type rotor 6 is fixed. On the outer periphery of the rotor 6 , a stator 9 is fixed to the inner wall surface of the casing 3 so as to surround the rotor 6 .

[0022] On the other end of the shaft 5, a slip ring 1...