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Double-fed frequency converter with mounting plate convenient to hoist

A technology for mounting boards and frequency converters, applied in the field of double-fed frequency converters, can solve problems such as troublesome installation and operation, poor hoisting stability, inconvenient use, etc., and achieve the effect of improving aesthetics and stability

Inactive Publication Date: 2021-02-26
西安鼎腾电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problems in the prior art that one-to-one pairing and installation operations are troublesome in the hoisting process, and the stability of the hoisting is poor, and it is not convenient for the hook and the sling to separate from each other, and it is not convenient for people to use. problems, and proposed a doubly-fed inverter with a mounting plate for easy hoisting

Method used

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  • Double-fed frequency converter with mounting plate convenient to hoist
  • Double-fed frequency converter with mounting plate convenient to hoist
  • Double-fed frequency converter with mounting plate convenient to hoist

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1 as Figure 1-2 As shown, this double-fed inverter with a mounting plate for easy hoisting includes the inverter body 1 and the mounting plate 2, the mounting plate 2 is fixed on the top of the inverter body 1, and the top of the mounting plate 2 is symmetrically opened Two limit openings, and two adjustment rods 3 are arranged in the two limit openings, and one end of each adjustment rod 3 is provided with a round block 4, and the front and rear side walls of the two limit openings are symmetrically opened. There are two bar-shaped grooves matched with the round block 4, and a first spring 6 is arranged in each bar-shaped groove, and the two ends of the first spring 6 are connected with the side wall of the bar-shaped groove and the side of the round block 4 respectively. The wall is fixedly connected, and the top of the mounting plate 2 is provided with a rotating shaft 5, and the two ends of the rotating shaft 5 are respectively connected to the other ends o...

Embodiment 2

[0024] Embodiment 2 is on the basis of embodiment 1 such as figure 2 As shown, each of its limiting mechanisms includes two limiting blocks 9, a fixed block 10 and a second spring 11, the fixed block 10 is fixedly socketed with the rotating shaft 5, and the side wall of the fixed block 10 is provided with a position-limiting Block 9 matching limit hole, two limit blocks 9 and the second spring 11 are located in the limit hole, and the two ends of the second spring 11 are respectively fixedly connected with the side walls of the two limit blocks 9, both A limit block 9 and the suspension ring 7 are arranged parallel to each other.

Embodiment 3

[0025] Embodiment 3 is such as on the basis of embodiment 2 image 3 As shown, the two sidewalls of each of its limiting blocks 9 are fixedly connected with slide blocks 12, and the two sidewalls of each limiting hole are provided with chute matched with the sliding block 12, for the limiting blocks 9 position is limited.

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Abstract

The invention relates to the technical field of wind power generation, and discloses a doubly-fed frequency converter with a mounting plate convenient to hoist. The doubly-fed frequency converter comprises a frequency converter body and the mounting plate, the mounting plate is fixedly arranged at the top of the frequency converter body, two limiting openings are symmetrically formed in the top ofthe mounting plate, and two adjusting rods are arranged in each limiting opening; and one end of each adjusting rod is movably provided with a round block, two strip-shaped grooves matched with the round blocks are symmetrically formed in the front side walls and the rear side walls of the two limiting openings, a first spring is arranged in each strip-shaped groove, the two ends of the first springs are fixedly connected with the side walls of the strip-shaped grooves and the side walls of the round blocks respectively, and a rotating shaft is arranged above the mounting plate. According tothe invention, the stability of the mounting plate and the frequency converter in a lifting process can be improved, a lifting hook and a lifting ring can be separated from each other conveniently, meanwhile, the multiple adjusting rods can be stored conveniently, and the overall attractiveness of the device is improved.

Description

technical field [0001] The invention relates to the technical field of wind power generation, in particular to a double-fed frequency converter with a mounting plate for easy hoisting. Background technique [0002] The doubly-fed frequency converter is the core component of the doubly-fed wind power generating set, which ensures that the wind power generating set outputs electric energy of constant voltage and frequency under working conditions. With the increasing capacity of wind power generators, the capacity, volume and weight of double-fed inverters are also increasing. The weight of double-fed inverters for 1.5MW wind turbines is more than 40 kg. Since the wind turbines operate in a sparsely populated field, and the double-fed inverter is installed in the cabin above 60 meters high, it needs to be hoisted and transported. [0003] In the application document with the publication number CN203278606U, a doubly-fed inverter with a mounting plate for easy hoisting is disc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05K5/02H02M1/00B66C1/10
CPCB66C1/10H02M1/00H05K5/0204H05K5/0217Y02E10/76
Inventor 高燕
Owner 西安鼎腾电子科技有限公司
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