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Intelligent power module, control method thereof and air conditioner

A technology of an intelligent power module and a control method, which is applied to the output power conversion device, the conversion of AC power input to DC power output, electrical components, etc., can solve the problem that the preset voltage value or the preset current value is low, and the subsequent circuit stops working. and other problems to avoid the effect of low user experience

Pending Publication Date: 2017-06-13
GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] In view of the defects in the prior art, the embodiment of the present invention provides an intelligent power module and its control method, and an air conditioner, so as to solve the problem that the preset voltage value or preset current value of the intelligent power module is set too low in the prior art, causing the The technical problem that the follow-up circuit driven by the intelligent power module stops working prematurely

Method used

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  • Intelligent power module, control method thereof and air conditioner
  • Intelligent power module, control method thereof and air conditioner
  • Intelligent power module, control method thereof and air conditioner

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Embodiment Construction

[0047] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0048] As shown in FIG. 1(A) and FIG. 1(B), the circuit structure diagram of the intelligent power module 100 in the prior art includes a high voltage integrated circuit chip (High Voltage Integrated Circuit, HVIC tube) 110, a transistor IGBT (Insulated Gate Bipolar Transistor , IGBT) (indicated by reference numbers 121-126 in FIG. 1(A)) and fast ...

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Abstract

The embodiment of the invention relates to an intelligent power module, a control method thereof and an air conditioner. The intelligent power module comprises a power driving circuit, an adjusting circuit and a current sampling circuit, wherein the current sampling circuit is connected with the power driving circuit, and is used for acquiring a real-time current value of the power driving circuit and converting the real-time current value into a real-time voltage value; and the adjusting circuit is connected with the current sampling circuit and the power driving circuit, and is used for generating a preset voltage value according to a received control signal, and comparing the preset voltage value with the real-time voltage value to generate a first switch control signal which is then sent to the power driving circuit. The control method is used for controlling the intelligent power module. The effective work range of the intelligent power module can be adjusted by adjusting a preset current value.

Description

technical field [0001] The invention relates to the technical field of power supplies, in particular to an intelligent power module, a control method thereof, and an air conditioner. Background technique [0002] An Intelligent Power Module (IPM) is a power drive product that uses power electronic devices and integrated circuits to output preset voltages and preset powers. In practical applications, the intelligent power module is used in conjunction with a Microcontroller Unit (MCU), that is, the intelligent power module receives the control signal of the MCU on the one hand to drive the subsequent circuit to work, and on the other hand feeds back the detection signal of the subsequent circuit to the MCU. In order to facilitate the MCU to adjust the control signal. Due to the advantages of high integration and high reliability, the above-mentioned intelligent power modules are widely used in the fields of frequency converters suitable for driving motors and various inverte...

Claims

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Application Information

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IPC IPC(8): H02M1/32H02M7/5387
CPCH02M1/32H02M7/5387H02M1/327H02M1/325
Inventor 冯宇翔高军胜
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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