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CN-224234015-U - Static rectifier bridge structure of generator

CN224234015UCN 224234015 UCN224234015 UCN 224234015UCN-224234015-U

Abstract

The utility model discloses a static rectifier bridge structure of a generator, and belongs to the technical field of oil-cooled generator rectifier structure design. The utility model discloses a lubricating oil cooling, lubricating oil gets into from rectifier bridge box import, after flowing through 6 diodes, flows from rectifier bridge box export for the inside stator heat dissipation of motor. In order to increase the heat dissipation area of the diode, the diode is arranged in the groove of the radiating fin after being pressed by the wire connecting piece, the heat dissipation area can be effectively increased, and the flow loss is reduced by the fin design of the radiating fin. The radiating fin is provided with grooves for facilitating the wire outgoing of the wiring lug, and finally, the wiring lug extending out of each diode is respectively connected to the A, B, C outgoing wire and the output positive and negative according to a schematic diagram. The utility model has strong universality, is convenient to maintain, is convenient to install and detach, can rapidly dissipate the temperature on the rectifier bridge through the heat dissipation structure of the rectifier bridge, and ensures that the rectifier bridge stably works after high current passes through.

Inventors

  • CAI WEIJIA
  • WANG HUI
  • ZHANG JUN

Assignees

  • 北京曙光航空电气有限责任公司

Dates

Publication Date
20260512
Application Date
20241223

Claims (7)

  1. 1. A static rectifier bridge structure of a generator is characterized by comprising a diode (1), a radiating fin (3), a three-phase binding post (4), an output binding post (5) and a press-connection sheet (6), wherein the press-connection sheet (6) is arranged in the diode (1) and fixed in the radiating fin (3), the diode (1) comprises diodes V1-V6, an A phase line of the three-phase binding post (4) is led out and then is connected to an anode of the diode V1 through the press-connection sheet (6) and welded, an anode lead-out wire of the diode V1 is connected to a cathode of the diode V2 through the press-connection sheet (6), the cathode of the diode V2 is connected with an anode of the diode V4, the cathode of the diode V4 is connected with an anode of the diode V3, the cathode of the diode V3 is connected with a cathode of the diode V5, the anode of the diode V5 is connected with a cathode of the diode V6, the cathode of the diode V6 is connected with a C phase of the three-phase binding post (4), and the cathode of the diode V4 is connected with a B phase of the three-phase binding post (4), and the anode of the diode V1 is connected with the anode of the diode V2 through a lead wire.
  2. 2. The generator static rectifier bridge structure according to claim 1, characterized in that the contact of the diode (1) with the heat sink (3) is a planar contact.
  3. 3. The static rectifier bridge structure of the generator according to claim 1, characterized in that the cooling fins (3) are fixed in slots of the same size as the cooling fins (3) on the generator housing and the tank end cover, and are fastened by screws on the tank end cover.
  4. 4. The generator static rectifier bridge structure according to claim 1, characterized in that the cooling fins (3) are arranged in sequence in the flow velocity direction.
  5. 5. The static rectifier bridge structure of the generator according to claim 1, characterized in that the heat sink (3) is provided with a planar recess, and the diode (1) is completely enclosed in the recess.
  6. 6. The generator static rectifier bridge structure according to claim 1, characterized in that said diode (1) is a high temperature fast slab diode.
  7. 7. A generator static rectifier bridge structure according to claim 3, characterized in that the generator housing is provided with an oil inlet (7) and an oil outlet (2).

Description

Static rectifier bridge structure of generator Technical Field The utility model discloses a static rectifier bridge structure of a generator, and belongs to the technical field of oil-cooled generator rectifier structure design. Background For a generator, a rectifier bridge is generally required for realizing alternating current-direct current conversion, for a high-power generator, the output power is high, and for a fixed voltage output, the current passing through a diode on the rectifier bridge is also relatively high, if the current on the diode is high, the temperature of the whole tube is relatively high, and the general temperature resistance level of the diode is relatively low, so that the temperature on the diode body is rapidly and effectively dissipated, and the problem which needs to be solved in the motor design is solved. Disclosure of Invention The purpose of the utility model is that: The utility model aims to provide the high-voltage power supply device which is high in universality, convenient to maintain, convenient to install and detach, and capable of rapidly radiating the temperature on the rectifier bridge through the radiating structure of the rectifier bridge, so that the rectifier bridge can stably work after high current passes through. The technical scheme includes that the static rectifier bridge structure of the generator comprises a diode 1, a radiating fin 3, a three-phase binding post 4, an output binding post 5 and a press-connection sheet 6, wherein the diode 1 is installed in the radiating fin 3 and is fixed in the press-connection sheet 6, the diode 1 comprises diodes V1-V6, an A phase line of the three-phase binding post 4 is led out and then is connected to an anode of the diode V1 through the press-connection sheet 6 and is welded, an anode lead wire of the diode V1 is connected to a cathode of the diode V2 through the press-connection sheet 6, the cathode of the diode V2 is connected with an anode of the diode V4, the cathode of the diode V4 is connected with an anode of the diode V3, a cathode of the diode V3 is connected with a cathode of the diode V5, a positive electrode of the diode V5 is connected with a cathode of the diode V6, a C phase of the cathode three-phase binding post 4 of the diode V4 is connected with a B phase binding post 4 of the cathode of the diode V1, the cathode of the diode V3 and the anode of the diode V6 are connected with the anode of the diode V6 through wires, and finally the anode of the diode V2 is connected with the cathode of the output binding post 5 respectively. The diode 1 is in planar contact with the heat sink 3. The cooling fin 3 is fixed in the grooves with the same size as the cooling fin 3 on the generator shell and the oil tank end cover, and is fastened by screws on the oil tank end cover. The cooling fins 3 are shown to be arranged in sequence in the flow direction. The radiating fin 3 is provided with a plane groove, and the diode 1 is completely wrapped in the groove. The diode 1 is a high-temperature fast flat diode. And the generator shell is provided with an oil inlet 7 and an oil outlet 2. The beneficial effects of the utility model are as follows: The utility model provides the high-voltage power supply device which is high in universality, convenient to maintain, convenient to install and detach, and capable of rapidly radiating the temperature on the rectifier bridge through the radiating structure of the rectifier bridge, so that the rectifier bridge can stably work after high current passes through. Drawings FIG. 1 is a front view of a stationary rectifier bridge; FIG. 2 is a perspective view of a stationary rectifier bridge; FIG. 3 is a schematic diagram of a diode composition; FIG. 4 is a schematic view of a crimp tab structure; FIG. 5 is a schematic diagram of a heat sink structure; fig. 6 is a schematic diagram. Wherein, the LED comprises a 1-diode, a 2-oil outlet 3-radiating fin, a 4-three-phase binding post, a 5-output binding post, a 6-pressure contact piece and a 7-oil inlet. Detailed Description The utility model is further described below with reference to the accompanying drawings: As shown in fig. 1, the static rectifier bridge structure of the generator comprises a diode 1, a radiating fin 3, a three-phase binding post 4, an output binding post 5 and a crimping piece 6, wherein the crimping piece 6 is arranged on the diode 1 and fixed in the radiating fin 3, and heat of the diode is effectively transferred. The diode 1 comprises diodes V1-V6 and the arrangement of the heat sink 3 saves space. After the A phase line of the three-phase binding post 4 is led out, the A phase line is connected to the anode of the diode V1 through a press connection sheet 6 and welded, the outside of the diode V1 is surrounded by the radiating sheet 3, an anode lead-out wire of the diode V1 is connected to the cathode of the diode V2 through the press connection sheet 6, the cathode of the diode V2 is connected wi