CN110657562A

CN110657562A - High-integration intelligent power module and air conditioner

Info

Publication number: CN110657562A
Application number: CN201911063714.6A
Authority: CN
Inventors: 李媛媛; 冯宇翔
Original assignee: Midea Group Co Ltd; Guangdong Midea Refrigeration Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-01-07

Abstract

The invention discloses a high integrated intelligent power module and an air conditioner, wherein a variable capacity enthalpy-increasing compressor device comprises a plurality of compressors, and the high integrated intelligent power module comprises: the main controller is used for outputting corresponding control signals according to the operation parameters of the air conditioner, and the operation parameters of the air conditioner comprise an operation mode and outdoor environment temperature; a plurality of compressor IPM modules, the number of compressor IPM modules corresponding to the number of compressors of the variable capacity enthalpy increasing compressor device; the controlled ends of the plurality of compressor IPM modules are connected with the control end of the main controller in a one-to-one manner; and the plurality of compressor IPM modules are used for driving the corresponding compressors to work according to the control signals. The invention is beneficial to realizing the low-power and high-energy-efficiency operation of the air conditioner, and is energy-saving and environment-friendly. And by adopting the high-integration intelligent power module, the size of the electric control board can be reduced, and the installation is convenient.

Description

High-integration intelligent power module and air conditioner

Technical Field

The invention relates to the technical field of electronic circuits, in particular to a high-integration intelligent power module and an air conditioner.

Background

With the increasing living standard of people, the requirements of people on the quality of life are higher and higher. Among them, the popularization of air conditioners is an important part of improving the comfort of life.

The inverter air conditioner generally adopts a single-rotor compressor, and the rotor of the compressor is stressed in a single direction during operation, so that the vibration and the noise are large. And, due to the limitation of noise, the maximum operating frequency of the compressor should not be too high, which undoubtedly limits the output capacity of the compressor, and thus the cooling and heating speed of the air conditioner is slow and the effect is poor. In the common air conditioner adopting the dual-rotor compressor, the electric energy consumed by the operation of the compressor is more, and particularly when the load of the air conditioner is lower, the power of the dual-rotor compressor is relatively higher, so that the energy efficiency ratio of the air conditioner is reduced. In addition, the full-direct-current variable-frequency driving system of the existing air conditioner is composed of a plurality of modules with different functions and is arranged on different electric control boards, so that the volume and the cost of the whole electric control device are easily increased.

Disclosure of Invention

The invention mainly aims to provide a high-integration intelligent power module and an air conditioner, and aims to solve the problem.

In order to achieve the above object, the present invention provides a highly integrated intelligent power module, which is applied to an air conditioner having a variable capacity enthalpy-increasing compressor device, wherein the variable capacity enthalpy-increasing compressor device includes a plurality of compressors, and the highly integrated intelligent power module includes:

the main controller is used for outputting corresponding control signals according to the operation parameters of the air conditioner, wherein the operation parameters of the air conditioner comprise an operation mode and outdoor environment temperature;

a plurality of compressor IPM modules, a number of the compressor IPM modules corresponding to a number of compressors of the variable capacity enthalpy increase compressor device; the controlled ends of the plurality of compressor IPM modules are connected with the control end of the main controller in a one-to-one mode; and the plurality of compressor IPM modules are used for driving the corresponding compressors to work according to the control signal.

Optionally, when the outdoor ambient temperature is lower than a first preset temperature while the air conditioner is operating in a heating mode, the main controller controls the plurality of compressor IPM modules to operate simultaneously.

Optionally, when the air conditioner operates in a cooling mode, the main controller controls the plurality of compressor IPM modules to operate simultaneously when the outdoor ambient temperature is greater than a second preset temperature.

Optionally, the main controller is further configured to control some or all of the plurality of compressor IPM modules to operate according to a user-set temperature and an indoor ambient temperature among operating parameters of the air conditioner.

Optionally, the high-integration smart power module further comprises:

and the fan IPM module is connected with the third control end of the main controller and used for driving a fan in the air conditioner to work according to a third control signal output by the main controller.

Optionally, the fan IPM module includes a fan driving chip and a fan power module, a plurality of signal input ends of the fan driving chip are correspondingly connected to the third control end of the main controller, and a plurality of output ends of the fan driving chip are connected to a plurality of controlled ends of the fan power module in a one-to-one manner.

Optionally, the number of the compressor IPM modules is two.

Optionally, each of the compressor IPM modules includes a compressor driving chip and a compressor power module, a signal input end of the compressor driving chip is connected to a control end of the main controller, and a plurality of output ends of the compressor driving chip are connected to a plurality of controlled ends of the compressor power module in a one-to-one manner.

Optionally, the compressor IPM module further includes a PFC power switch, and a controlled end of the PFC power switch is connected to an output end of the compressor driving chip.

Optionally, the high-integration smart power module further comprises:

and the rectifier bridge is arranged between the alternating current input end and the power input ends of the plurality of IPM modules of the compressor.

Optionally, the high integrated smart power module further comprises;

the mounting base plate is provided with mounting positions, and the main controller and the plurality of compressor IPM modules are arranged on the corresponding mounting positions;

and the mounting substrate, the main controller and the plurality of compressor IPM modules are arranged in the packaging shell.

The invention also provides an air conditioner which comprises the high-integration intelligent power module.

The high-integration intelligent power module is provided with the main controller to control the corresponding number of the compressor IPM modules to work according to the operation mode of the air conditioner and the main controller, so that the variable-capacity enthalpy-increasing compressor device is driven to start or operate in a conventional mode or a jet enthalpy-increasing mode, the high-capacity output of the air conditioner is realized, the indoor environment is quickly heated or cooled, the vibration of the compressor can be reduced, the noise of the air conditioner is reduced, the low-power and high-energy-efficiency operation of the air conditioner is realized, and the high-integration intelligent power module is energy-saving and environment-friendly. And by adopting the high-integration intelligent power module, the size of the electric control board can be reduced, and the installation is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a functional block diagram of an embodiment of a highly integrated smart power module according to the present invention;

FIG. 2 is a schematic circuit diagram of an embodiment of a highly integrated smart power module according to the present invention;

FIG. 3 is a functional block diagram of another embodiment of the highly integrated smart power module of the present invention;

FIG. 4 is a graph of energy efficiency/output capacity for a single compressor and multiple compressors operating;

fig. 5 is a schematic structural diagram of an embodiment of a highly integrated smart power module according to the invention.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a high-integration intelligent power module which is applied to an air conditioner with a variable-capacity enthalpy-increasing compressor device, wherein the variable-capacity enthalpy-increasing compressor device comprises a plurality of compressors, a temperature sensor is usually arranged in the air conditioner, a communication module for communicating with an air conditioner remote controller, a mobile phone and the like, such as an infrared sensor module, a WIFI module and the like, and an acquisition module for acquiring the operating parameters of the air conditioner, wherein the acquisition module can be an MCU of an indoor unit of the air conditioner or an MCU of an outdoor unit and the like, and the acquisition module can acquire the current operating mode of the air conditioner and the parameters such as rotating speed, current, voltage and the like during the operation of the air conditioner according to the temperature detected by the temperature sensor and the user set parameters and the like acquired by. The MCU of the indoor unit can control the air conditioner to operate in modes such as refrigeration and heating according to user setting parameters sent by the remote controller, and adjust the operating parameters of the air conditioner to be matched with the set temperature according to the set temperature of the user so as to meet the requirements of customers.

When the air conditioning system is in heating operation under the low temperature condition, because the outdoor environment temperature is low, the temperature difference between the evaporating temperature of the outdoor heat exchanger and the environment temperature is very small, so that the quantity of heat absorbed from the external environment is relatively small, a large quantity of refrigerants are accumulated in the outdoor heat exchanger and the gas-liquid separator, the air suction and exhaust quantity of the compressor is insufficient, and the heating quantity of the indoor unit is greatly reduced. At present, a system with enhanced vapor injection is adopted to improve the heating capacity, generally, a heat exchanger is used for obtaining a medium-pressure gaseous refrigerant which is used as injection gas of a main compressor of an outdoor unit, but the enthalpy value of the injection gas is lower, so that the enhanced vapor injection efficiency of an air conditioning system is lower. And, due to the limitation of noise, the maximum operating frequency of the compressor should not be too high, which undoubtedly limits the output capacity of the compressor, and thus the cooling and heating speed of the air conditioner is slow and the effect is poor. The air conditioner adopting the dual-rotor compressor consumes more electric energy during the operation of the compressor, and particularly when the load of the air conditioner is low, the power of the dual-rotor compressor is relatively high, so that the energy efficiency ratio of the air conditioner is reduced.

In order to improve the energy efficiency of the air conditioner, a plurality of compressors, for example, two compressors, are arranged in the variable-capacity enthalpy-increasing compressor device of this embodiment, and the high-integration intelligent power module controls the corresponding number of IPM modules to operate, so as to drive the corresponding number of compressors to operate, meet the requirements for cooling/heating under different working conditions, and simultaneously, facilitate the improvement of the energy efficiency of the air conditioner. Referring to fig. 1 and 2, in an embodiment of the present invention, the highly integrated smart power module includes:

the main controller 10 is configured to output a corresponding control signal according to an operation parameter of the air conditioner, where the operation parameter of the air conditioner includes an operation mode and an outdoor ambient temperature;

a plurality of compressor IPM modules 20, the number of said compressor IPM modules corresponding to the number of compressors of said variable capacity enthalpy increasing compressor arrangement; the controlled ends of the plurality of compressor IPM modules are connected to the control end of the main controller 10 one-to-one; and the plurality of compressor IPM modules are used for driving the corresponding compressors to work according to the control signal.

In this embodiment, the main controller 10 of the intelligent power module is integrated with a logic controller, a memory, a data processor, etc. and a software program and/or module stored in the memory and executable on the data processor, and the main controller 10 outputs a corresponding control signal to the compressor IPM module 20 of the intelligent power module by executing or executing the software program and/or module stored in the memory and calling the data stored in the memory, so that the compressor IPM module is driven according to the received control signal to drive the compressor to operate. The number of the compressor IPM modules 20 may be two or more, and for example, in a multi-split system in which a plurality of indoor units and a plurality of outdoor units are provided, the number of the compressor IPM modules 20 may be set according to the number of the outdoor units. The number of the compressor IPM modules 20 may be two or more, and the following embodiments are all described as examples. Correspondingly, when one compressor IPM module 20 works to drive one compressor in the variable capacity enthalpy-increasing compressor device 100 to work, at this time, the variable capacity enthalpy-increasing compressor device 100 can work as a single cylinder vapor injection enthalpy-increasing mode, or the compressor does not inject air, does not increase enthalpy, and the variable capacity enthalpy-increasing compressor device 100 works in a normal mode. When the two compressors in the variable-capacity enthalpy-increasing compressor device 100 are driven by the two compressor IPM modules 20 one to operate simultaneously, the variable-capacity enthalpy-increasing compressor device 100 operates in a double-cylinder enhanced vapor injection mode, that is, the two compressors operate simultaneously, so that the enhanced-enthalpy compressor enhanced vapor injection is enabled to operate simultaneously.

The main controller 10 may be connected to an MCU of an indoor unit of an air conditioner or an MCU of an outdoor unit of the air conditioner, and obtains operating parameters of the air conditioner through communication with the MCU, such as an indoor ambient temperature, an outdoor ambient temperature, a current operating speed of the compressor, an operating mode of the air conditioner, a system pressure of the air conditioner, and the like, which are obtained by the air conditioner. For example, in the heating mode, when the outdoor ambient temperature is low, or in the cooling mode, when the outdoor ambient temperature is high, both of these conditions result in a small temperature difference from the evaporating temperature of the outdoor heat exchanger. Referring to fig. 4, fig. 4 is a graph of energy efficiency/output capacity when a single compressor (single cylinder) and a plurality of compressors (double cylinders) work, and therefore, when the temperature difference is small, the load of the single compressor during work may be large, the output capacity cannot meet the operation requirement, the energy consumption of the air conditioner is large, the energy efficiency of the air conditioner is low, and the enthalpy value of the gaseous refrigerant in the compressor needs to be increased; when the temperature difference is large, the output capacity of a single compressor during working can meet the operation requirement, the energy efficiency is high, and the compressor can be controlled to operate in a conventional mode. According to the acquired operation parameters, the main controller 10 may establish a mapping relationship between the outdoor ambient temperature, the operation mode, and the control number of the compressor IPM modules 20 and store the mapping relationship. Therefore, when the air conditioner works, a corresponding control signal is output according to the acquired operation mode and the ambient temperature of the outdoor unit, and one compressor IPM module 20 is controlled to work, or two compressor IPM modules 20 are controlled to work simultaneously. It can be understood that, along with the change of the outdoor unit environment temperature, the number of the operating compressor IPM modules 20 may also be switched, for example, in a day, in an environment with a large day-night temperature difference, when the outdoor environment temperature is small in temperature difference with the evaporation temperature of the outdoor heat exchanger at night, a plurality of compressor IPM modules 20 operate simultaneously, and when the outdoor environment temperature is large in temperature difference with the evaporation temperature of the outdoor heat exchanger at day time, it may be switched to one compressor IPM module to operate independently.

In another embodiment, the main controller 10 may also be configured to operate based on control of an air conditioner indoor unit MCU, after the MCU outputs a corresponding control command according to the operation mode and the ambient temperature of the outdoor unit, the main controller 10 outputs a corresponding control signal according to the control command to control one compressor IPM module to operate, or to control a plurality of compressor IPM modules 20 to operate simultaneously. When one compressor IPM module is controlled to work, the compressor IPM module drives one compressor to work, at the moment, the compressor does not inject air and increases enthalpy, when a plurality of compressor IPM modules 20 are controlled to work, at the moment, the plurality of compressor IPM modules 20 respectively drive a plurality of compressors to work simultaneously, and at the moment, the compressor injects air and increases enthalpy.

The high-integration intelligent power module is provided with the main controller 10, so that the main controller 10 controls the corresponding number of compressor IPM modules to work according to the operation mode of the air conditioner, and the variable-capacity enthalpy-increasing compressor device 100 is driven to start or operate in a conventional mode or a jet enthalpy-increasing mode, so that the high-capacity output of the air conditioner is realized, the indoor environment is quickly heated or cooled, the vibration of the compressor can be reduced, the noise of the air conditioner is reduced, the low-power and high-energy-efficiency operation of the air conditioner is realized, and the high-integration intelligent power module is energy-saving and environment-friendly.

It should be noted that, in general, an air conditioner includes an indoor unit and an outdoor unit, and for an electric control board of the outdoor unit, an intelligent power module for driving a compressor, an intelligent power module for driving a fan, a main control module, a power module, and other functional modules are mostly disposed on the electric control board of the outdoor unit. These functional modules adopt the circuit module of discrete or partial integration to realize mostly, and the scattered each part of arranging at automatically controlled PCB board, but because automatically controlled board self structure, strong and weak electric isolation, prevent signal interference, heat dissipation etc. requirement, require the interval between each functional module to guarantee in safe distance for the automatically controlled board of off-premises station's volume is great, is unfavorable for the installation. Or disperse these on polylith circuit board, adopt the mode of wire jumper again to realize between main control module and other functional modules to and mutual electrical connection between each functional module, but the dispersion sets up each functional module and can lead to the wire jumper more and long, leads to electrical apparatus EMC performance to descend. And the electric control board of these two kinds of structures all can appear the device of electric control board more, lead to the assembly of off-premises station complicated, still can increase the manufacturing cost of air conditioner simultaneously, and the maintenance rate also can increase, is unfavorable for the stable use of air conditioner. More importantly, when the electric control board is realized by adopting a plurality of components, the energy consumption of the components is large, the heating is serious, the heat efficiency of the air conditioner is low, and the realization of energy conservation and emission reduction of the air conditioner is not facilitated.

In order to solve the above problems, the present invention integrates the main controller 10 and the plurality of compressor IPM modules 20 into one module without connecting wires, so that the distance between the main controller 10 and the compressor IPM modules can be shortened, and the electromagnetic interference caused by too long and excessive jumper wires can be reduced. Meanwhile, the components of the electric control board can be reduced, the PCB layout of the electric control board is simplified, and the production cost of the air conditioner is effectively reduced. The invention also solves the problems that when the electric control board is realized by adopting a plurality of discrete components, the number of components is large, so that the electric control board is difficult to assemble when being assembled to the electric equipment, and the self power consumption is large, the heating is serious, so that the heat efficiency of the air conditioner is low, and the air conditioner is not beneficial to realizing energy conservation and emission reduction.

Referring to fig. 1 and 2, in an embodiment, when the air conditioner is operated in a heating mode and the outdoor ambient temperature is less than a first preset temperature, the main controller 10 controls a plurality of the compressor IPM modules to simultaneously operate.

When the air conditioner operates in a cooling mode and the outdoor environment temperature is higher than a second preset temperature, the main controller 10 controls the plurality of compressor IPM modules to simultaneously operate, so that the variable-capacity enthalpy-increasing compressor device 100 is started in a double-cylinder enhanced vapor injection mode.

At the initial stage of the air conditioner start-up, the main controller 10 can control the plurality of compressor IPM modules 20 to work simultaneously according to the operation mode of the air conditioner and the outdoor environment temperature, thereby driving the variable capacity enthalpy-increasing compressor device 100 to start in a double-cylinder enhanced vapor injection mode, so as to realize the high-capacity output of the air conditioner, thereby enabling the indoor environment to be rapidly heated up or rapidly cooled down. In other embodiments, of course, when the air conditioner has a large load demand, the IPM modules of the compressor simultaneously operate to switch the operation mode of the variable capacity enthalpy-increasing compressor apparatus 100 to the dual-cylinder enhanced vapor injection mode, and when the air conditioner has a relatively low load, the operation mode of the variable capacity enthalpy-increasing compressor apparatus 100 may be switched to the single-cylinder enhanced vapor injection mode, so as to reduce energy consumption. Therefore, the invention can improve the comfort level by controlling the work of the IPM module of the compressor, fully meet the requirements of users and realize energy conservation and emission reduction. In this embodiment, the first preset temperature and the second preset temperature may be set according to the heat exchange capability of the heat exchanger of the air conditioner, and are not limited herein.

Referring to fig. 1 and 2, in an embodiment, the main controller 10 is further configured to control some or all of the plurality of compressor IPM modules to operate according to a user-set temperature among the operating parameters of the air conditioner and an indoor ambient temperature.

In this embodiment, the main controller 10 may further control one compressor IPM module to operate according to the user set temperature, or a plurality of compressor IPM modules 20 to operate simultaneously, for example, in the heating mode, if the indoor ambient temperature is greater than or equal to the user set temperature, the variable capacity enthalpy increasing compressor apparatus 100 operates in the single cylinder mode by controlling one compressor IPM module to operate. When the indoor environment temperature is lower than the user set temperature and the outdoor environment temperature is higher than or equal to a first preset temperature, the variable-capacity enthalpy-increasing compressor device 100 keeps the single-cylinder mode to operate by controlling one compressor IPM module to continuously work; when the indoor ambient temperature is lower than the user set temperature and the outdoor ambient temperature is lower than the first preset temperature, the plurality of compressor IPM modules 20 are controlled to simultaneously operate, so that the variable capacity enthalpy increasing compressor apparatus 100 operates in the dual cylinder mode.

Referring to fig. 1 and 2, in an embodiment, the highly integrated smart power module further includes:

and the fan IPM module 30 is connected to the third control end of the main controller 10, and the fan IPM module 30 is configured to drive a fan in the air conditioner to work according to a third control signal output by the main controller 10.

In this embodiment, the number of the fan IPM modules 30 may be set according to the number of fans in the outdoor unit, and the fan IPM modules 30 are controlled by the main controller 10 and are configured to control the fans 200 in the air conditioner to operate according to the control signal output by the main controller 10.

Referring to fig. 1 and 2, in an embodiment, the fan IPM module 30 includes a fan driving chip 31 and a fan power module 32, a plurality of signal input ends of the fan driving chip 31 are correspondingly connected to the third control end of the main controller 10, and a plurality of output ends of the fan driving chip 31 are connected to a plurality of controlled ends of the fan power module 32 in a one-to-one manner.

In this embodiment, the fan driving chip 31 integrates driving circuits corresponding to the number of channels according to the number of phases of the power switching tubes in the power module, and a high-voltage side driving unit and a low-voltage side driving unit are disposed in the fan driving chip 31. The fan power module 32 integrates a plurality of power switching tubes, which are combined into a power module, for example, six power switching tubes form a three-phase power module, or four power switching tubes form a two-phase inverter bridge circuit. Each power switch tube can be realized by adopting an MOS tube or an IGBT. A plurality of power switches are connected to the power module to drive the fan 200 to work.

Referring to fig. 1 and 2, in an embodiment, each of the

compressor IPM modules

21 and 22 includes a compressor driving chip 211 and 221 and a

compressor power module

212 and 222, a signal input end of the compressor driving chip 211 and 221 is connected to a control end of the main controller 10, and a plurality of output ends of the compressor driving chip 211 and 221 are connected to a plurality of controlled ends of the

compressor power module

212 and 222 in a one-to-one manner.

In this embodiment, the outdoor unit is exemplified by two compressors, the number of corresponding compressor IPM modules is also two, and each

compressor IPM module

21, 22 drives one compressor to work. The compressor driving chips 211 and 221 integrate driving circuits corresponding to the number of the phases of the power switching tubes in the

compressor power modules

212 and 222, and a high-pressure side driving unit and a low-pressure side driving unit are provided in the compressor driving chips 211 and 221. The compressor power module is integrated with a plurality of power switch tubes, and the plurality of power switch tubes form the power module, for example, six power switch tubes form a three-phase power module, or four power switch tubes form a two-phase inverter bridge circuit. Each power switch tube can be realized by adopting an MOS tube or an IGBT. The power switch tubes are connected to the

power blocks

212 and 222, and the compressor driving chips 211 and 221 output corresponding PWM control signals to drive and control the corresponding power switch tubes to be turned on/off, so as to output driving electric energy to drive the compressor to work.

Referring to fig. 1 and 2, in an embodiment, the compressor IPM module further includes PFC power switches 213 and 223, and controlled terminals of the PFC power switches 213 and 223 are connected to output terminals of the compressor driving chips 211 and 221.

In this embodiment, the PFC power switches 213 and 223 may integrate a PFC circuit composed of other components such as a diode and an inductor into the advanced intelligent power module. The PFC circuit may be a boost PFC circuit, or a buck PFC circuit, or a boost PFC circuit. The PFC circuit adjusts the power factor of the direct current, and outputs the adjusted direct current to the power input terminal of the power module 10, so that each power module drives a corresponding load to operate. The regulated direct current can also generate working voltage of control chips such as 5V and the like so as to provide working voltage for circuit modules such as the main controller 10 and the like. The PFC power switches 213, 223 may directly use the control signal of the main controller 10 as the driving, that is, the PFC power switches 213, 223 may be directly controlled by the main controller 10 without providing a driving circuit for the PFC power switches 213, 223. The PFC power switches 213 and 223 may also be turned on/off according to the driving signals output by the compressor driving chips 211 and 221 to implement PFC correction.

Referring to fig. 3, in an embodiment, a rectifier bridge 40, wherein the rectifier bridge 40 is disposed between an ac input and a power input of the plurality of compressor IPM modules 20.

In this embodiment, the rectifier bridge 40 may be implemented by combining four surface mount diodes, and the rectifier bridge 40 formed by the four surface mount diodes converts the input ac power into dc power and outputs the dc power. Through integrating rectifier bridge 40 in high integrated intelligent power module, install on installation carrier 100 together with main control unit 10 and compressor IPM module 20, need not the wire connection, can shorten the distance between rectifier bridge 40 and a plurality of compressor IPM module 20, and reduce the electromagnetic interference that the wire jumper overlength and too much arouse, in addition with above each functional module integration on an installation carrier, can improve integrated intelligent power module's integrated level, realize a plurality of loads, for example fan and compressor drive's integration setting, thereby reduce the volume of automatically controlled board, easy to assemble.

Referring to fig. 5, in an embodiment, the high integrated smart power module further comprises;

a mounting substrate 50, wherein a mounting position is disposed on the mounting substrate 50, and the main controller 10 and the plurality of compressor IPM modules 20 are disposed on the corresponding mounting position;

a package case 60, wherein the mounting substrate 50, the main controller 10, and the plurality of compressor IPM modules 20 are disposed in the package case 60.

In this embodiment, the mounting substrate 50 may be implemented by any one of an aluminum substrate, an aluminum alloy substrate, a copper substrate, and a copper alloy substrate. The mounting substrate 50 is a mounting carrier for the main controller 10 and each IPM module, and the shape of the mounting substrate 50 may be determined according to the specific position, number and size of the main controller 10 and each IPM module, and may be a square shape, but is not limited to a square shape. The mounting substrate 50 is provided with a circuit wiring layer, and the circuit wiring layer forms corresponding lines and mounting positions, namely bonding pads, for mounting each electronic element in the power device on the mounting substrate 50 according to the circuit design of the intelligent power module.

When the mounting substrate 50 is realized by using the aluminum nitride ceramic mounting substrate 50, the aluminum nitride ceramic mounting substrate 50 includes an insulating heat dissipation layer and a circuit wiring layer formed on the insulating heat dissipation layer.

In this embodiment, the package housing 60 may be made of epoxy resin, aluminum oxide, and heat conductive filling material, wherein the heat conductive filling material may be boron nitride or aluminum nitride, and the insulation property of aluminum nitride and boron nitride is better, and the heat conductivity is higher, and the heat resistance and the heat conductivity are better, so that the aluminum nitride and boron nitride have higher heat transfer capability. By integrating the main controller 10, the multiple compressor IPM modules 20, the fan IPM modules 30, and the like into one module, it is possible to realize insulation processing of a chip, and it is also possible to improve the integration level of the highly integrated intelligent power module, to realize the integrated setting of the multiple compressor drives, and to improve the EMI performance of the module.

The invention also provides an air conditioner which comprises the high-integration intelligent power module. The detailed structure of the highly integrated intelligent power module can refer to the above embodiments, and is not described herein again; it can be understood that, because the air conditioner of the present invention uses the above-mentioned high-integration intelligent power module, the embodiments of the air conditioner of the present invention include all technical solutions of all embodiments of the above-mentioned high-integration intelligent power module, and the achieved technical effects are also completely the same, and are not described herein again.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A high integrated intelligent power module is applied to an air conditioner with a variable capacity enthalpy-increasing compressor device, the variable capacity enthalpy-increasing compressor device comprises a plurality of compressors, and the high integrated intelligent power module is characterized by comprising:

2. The high integrated smart power module of claim 1, wherein the main controller controls a plurality of the compressor IPM modules to operate simultaneously when the outdoor ambient temperature is less than a first preset temperature while an air conditioner is operating in a heating mode.

3. The high integrated smart power module of claim 1, wherein the main controller controls a plurality of the compressor IPM modules to operate simultaneously when the outdoor ambient temperature is greater than a second preset temperature while an air conditioner is operating in a cooling mode.

4. The high integrated smart power module of claim 1, wherein said main controller is further adapted to control operation of some or all of said plurality of compressor IPM modules according to a user-set temperature among operation parameters of an air conditioner and an indoor ambient temperature.

5. The highly integrated smart power module of claim 1, further comprising:

6. The high-integrated intelligent power module according to claim 5, wherein the fan IPM module comprises a fan driving chip and a fan power module, wherein a plurality of signal input ends of the fan driving chip are correspondingly connected to the third control end of the main controller, and a plurality of output ends of the fan driving chip are connected to a plurality of controlled ends of the fan power module in a one-to-one manner.

7. The highly integrated smart power module as claimed in claim 1, wherein the number of said compressor IPM modules is two.

8. The highly integrated intelligent power module as claimed in claim 7, wherein each of the compressor IPM modules comprises a compressor driver chip and a compressor power module, wherein a signal input terminal of the compressor driver chip is connected to a control terminal of the main controller, and a plurality of output terminals of the compressor driver chip are connected to a plurality of controlled terminals of the compressor power module in a one-to-one manner.

9. The highly integrated smart power module of claim 8, wherein said compressor IPM module further comprises a PFC power switch, a controlled terminal of said PFC power switch being connected to an output terminal of said compressor driving chip.

10. The highly integrated smart power module of any of claims 1 to 9, further comprising:

11. The highly integrated smart power module of any of claims 1 to 9, further comprising;

12. An air conditioner characterized by comprising a highly integrated smart power module as recited in any one of claims 1 to 11.