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Frequency converter

A frequency converter and radiator technology, applied in the field of frequency converters, can solve the problems of inconvenient disassembly, inconvenience, and difficult maintenance, and achieve the effect of easy replacement and convenient operation.

Inactive Publication Date: 2017-09-19
ZHEJIANG EACN ELECTRONICS SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The frequency converter is composed of various components connected, but the connection settings of the existing components of the frequency converter are unreasonable, resulting in inconvenient disassembly and maintenance, especially the operation keyboard area composed of various knobs and buttons directly arranged on the panel, if If a knob or button is broken, the whole inverter needs to be repaired, which causes a lot of inconvenience

Method used

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Embodiment

[0032] exist figure 1 , figure 2 , image 3 In the illustrated embodiment, a heat dissipation system for a frequency converter includes:

[0033] The aluminum die-casting heat sink 1 is fastened with the inverter main body 2 for heat dissipation; the aluminum die-casting heat sink 1 is in a tank structure and is provided with an upper notch 3, a lower notch 4 and a back notch 5, and the aluminum die-casting heat sink 1 The inside of the tank is provided with a number of heat dissipation air ducts 6 arranged along the direction from the lower notch 4 to the upward notch 3; the aluminum die-casting radiator 1 is provided with mounting holes 7 for internal components of the frequency converter, and the mounting holes 7 for internal components of the frequency converter communicate with the cooling air Road 6;

[0034] The fan 8 is connected to the inside of the upper notch 3 of the aluminum cast radiator 1 through the quick interface 9 and is arranged facing the cooling air d...

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Abstract

The invention discloses a frequency converter. The frequency converter includes a main body of the frequency converter and a window-moving assembly arranged on the main body of the frequency converter. The main body of the frequency converter comprises an operation keyboard, a face cover, a casing, a main board PCB, drive PCB board, terminals, capacitor PCB board and silicone retainer; the cover is buckled with the housing, and the operation keyboard is embedded in the cover and buckled with the housing; the main board PCB is connected through the connector It is fixed inside the housing; the terminals are welded on the capacitor PCB, and the main board PCB, the drive PCB, the terminals and the capacitor PCB are sequentially connected and arranged inside the housing; the frequency converter of the present invention operates by The integrated design of the keyboard is an independent module, and an installation space is reserved on the casing. The operation keyboard is installed on the casing and exposed to the opening of the cover, which is convenient for operation and easy to replace, and only needs to replace the operation keyboard; The pcb boards are respectively connected and installed in the casing, maximizing the use of the space in the casing.

Description

technical field [0001] The invention relates to the technical field of electric equipment, in particular to a frequency converter. Background technique [0002] Inverter (Variable-frequency Drive, VFD) is a power control device that uses frequency conversion technology and microelectronics technology to control AC motors by changing the frequency of the motor's operating power supply. With the continuous improvement of industrial automation, frequency converters have also been widely used. [0003] The frequency converter is composed of various components connected, but the connection settings of the existing components of the frequency converter are unreasonable, resulting in inconvenient disassembly and maintenance, especially the operation keyboard area composed of various knobs and buttons directly arranged on the panel, if If a certain knob or button is broken, the entire inverter needs to be repaired, which causes a lot of inconvenience. Contents of the invention ...

Claims

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Application Information

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IPC IPC(8): H02M1/00H05K7/20
CPCH02M1/00H05K7/209H05K7/20909
Inventor 张学峰姚佳许衍庭
Owner ZHEJIANG EACN ELECTRONICS SCI & TECH
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