Hot pipe technique based frequency conversion power unit
A frequency conversion power unit and technology, applied in the direction of output power conversion device, AC power input conversion to AC power output, electrical components, etc., can solve heat dissipation, power device power consumption increase, high power unit operating current, etc. problem, to achieve the effect of prolonging the service life, small size and good working environment
Inactive Publication Date: 2008-05-21
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] In conjunction with FIG. 1 , it is a complete machine diagram of the present invention. The rectifier bridge 2 and the IGBT7 are all installed on the surface of the heat pipe radiator 11; Heat pipe radiator 11, capacitor array 5, working power input terminal 1, output terminal 8, control power input terminal 18, and insulating plate 12 are all installed on the inside of housing 17; The connection is installed; the fixing bolt 15 and the rolling bearing 16 are all installed on the outside of the housing 17; the fixing nut 14 is installed on the slideway 13 to form an independent part, and the installation and maintenance are convenient and quick.
[0026] In conjunction with Fig. 2, it is the electrical principle diagram of the present invention, the working power supply is connected to the rectifier bridge 2 by the socket terminal 1, the positive electrode ...
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The invention provides a frequency conversion power unit based on heat pipe technology. It is composed of housing, power device, control board, capacitor array, heat pipe radiator, resistors and relays; the capacitor array group adopts a horizontal method and is hung on the side of the housing, and the heat pipe radiator is vertically arranged on the left side of the capacitor array , the control board is placed in front of the capacitor array, and a shielding plate is set between the capacitor array and the control board, the power device is hung on the surface of the heat pipe radiator, and the components are connected by copper tape, among which the resistor is passed between the rectifier bridge and the IGBT connection, the relay is connected in parallel across the resistor. The important features of the invention are: the module has high power, excellent heat dissipation performance, original slideway technology, compact structure, beautiful appearance, and convenient 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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Login to View More IPC IPC(8): H02M5/458H02M1/00H02B1/56H01L23/427H05K7/02H05K7/20
Inventor 孙敬华胡立刚刘振龙张春雨周围来
Owner ROCKWELL AUTOMATION CONTROL SOLUTIONS (HARBIN) CO LTD