Hot pipe technique based frequency conversion power unit
A technology of a variable frequency power unit and technology, which uses the conversion device of the output power, the AC power input transformation is transformed into AC power output, electrical components and other directions. It can solve the large power unit working current, heat dissipation, increased power consumption of power device, etc. problem, to achieve the effect of prolonging service life, fast heat conduction and small size
Inactive Publication Date: 2010-06-02
ROCKWELL AUTOMATION CONTROL SOLUTIONS (HARBIN) CO LTD
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Problems solved by technology
[0003] Since most domestic high-voltage frequency converters are implemented in series with multi-level units, the development of high-power units mainly faces the technical difficulties of large operating current, increased power consumption of power devices, and heat dissipation in a limited space; moreover, from the perspective of installation process From the point of view, although all components are discrete, in order to make the structure more reasonable, beautiful appearance, fast and convenient installation and maintenance, etc., staff in related fields are working on the research of new power units based on heat pipe technology
Method used
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[0024] The present invention is described in more detail below in conjunction with accompanying drawing example:
[0025] combine figure 1 , is the whole machine diagram of the present invention, rectifier bridge 2, IGBT7 are all installed on the surface of heat pipe radiator 11; Capacitor pressure equalizing plate 6 is installed on the front end of capacitor array 5, main control board 9 is installed on the insulation board 12; Heat pipe radiator 11. Capacitor array 5, working power input terminal 1, output terminal 8, control power input terminal 18, insulating plate 12 are all installed inside the shell 17; resistor 3, relay 4, copper strip 10 are all installed in image 3 The connection method is used for installation; the fixing bolt 15 and the rolling bearing 16 are installed on the outside of the housing 17; the fixing nut 14 is installed on the pluggable slideway 13 to form an independent part, and the installation and maintenance are convenient and quick.
[0026] co...
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The invention provides a variable frequency power unit based on the technology of heat pipe, comprising a casing, a power device, a control panel, a capacitor array, a heat pipe radiator, a resistanceand a relay. The capacitor array is arranged on the side of the casing in horizontal way. The heat pipe radiator is arranged on the left side of the capacitor array in vertical way. The control panelis arranged in front of the capacitor array. A shield plate is arranged between the capacitor array and the control panel. The power device is arranged on the surface of the heat pipe radiator. The components are connected via a plurality of copper straps, wherein, a rectifier bridge is connected with the IGBT via a resistance, and the relay is connected in parallel with two ends of the resistance. The invention has the advantages of large module power, significant heat dissipation performance, original sideway technology, compact structure, beautiful appearance and easy installation and maintenance.
Description
(1) Technical field [0001] The invention mainly relates to high-voltage frequency conversion technology, in particular to a power conversion device in high-voltage frequency conversion. (2) Background technology [0002] With the wide application of high-voltage frequency converters in the technical transformation of industrial equipment, its excellent energy-saving effect, good user interface and easy installation and maintenance are widely used by major enterprises. The power unit is an important part of the multi-level unit series voltage source type high-voltage inverter. It is the key device to realize frequency conversion and speed regulation, and its performance directly determines the entire system equipment; therefore, in order to adapt to various power , capacity, voltage and current levels of multi-user needs, to be developed a new type of power unit. [0003] Since most domestic high-voltage frequency converters are implemented in series with multi-level units, ...
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IPC IPC(8): H01L23/427H02M1/00H02B1/56H02M5/458H05K7/20H05K7/02
Inventor 孙敬华胡立刚刘振龙张春雨周围来
Owner ROCKWELL AUTOMATION CONTROL SOLUTIONS (HARBIN) CO LTD