CN112910320A - High-voltage integrated circuit, intelligent power module and drive control method - Google Patents
High-voltage integrated circuit, intelligent power module and drive control method Download PDFInfo
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- CN112910320A CN112910320A CN201911230252.2A CN201911230252A CN112910320A CN 112910320 A CN112910320 A CN 112910320A CN 201911230252 A CN201911230252 A CN 201911230252A CN 112910320 A CN112910320 A CN 112910320A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
- H02P27/085—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation wherein the PWM mode is adapted on the running conditions of the motor, e.g. the switching frequency
Abstract
The invention discloses a high-voltage integrated circuit, an intelligent power module and a drive control method, wherein the high-voltage integrated circuit comprises: the motor control circuit comprises a first motor control input end, a first motor driving circuit, a second motor control input end, a second motor driving circuit and a signal processing circuit; the input end of the signal processing circuit is respectively connected with the first motor control input end and the second motor control input end; the output end of the signal processing circuit is respectively connected with the input end of the first motor driving circuit and the input end of the second motor driving circuit. Because the high-voltage integrated circuit of the intelligent power module integrates the driving circuits of the two motors, the high-voltage integrated circuit and the power inverter parts of the two motors are integrated and packaged in the intelligent power module, so that the driving of a fan and a compressor in the air conditioner can be realized by using one intelligent power module, and compared with the existing driving realized by using two intelligent power modules, the size of the driving control of the air conditioner can be reduced, and the miniaturization design of the driving control is facilitated.
Description
Technical Field
The invention relates to the technical field of intelligent power modules, in particular to a high-voltage integrated circuit, an intelligent power module and a drive control method.
Background
An Intelligent Power Module (IPM) is a Power driving product in which a High Voltage Integrated Circuit (HVIC) and a Power switching device are Integrated, and a fault detection Circuit such as an overvoltage, overcurrent, and overheat Circuit is incorporated. The method is widely applied to the fields of variable frequency speed regulation of alternating current motors, chopping speed regulation of direct current motors and various high-performance power supplies.
At present, HVIC in the intelligent power module usually realizes three-phase inversion driving alone, and to the motor of the fan in the air conditioner and the motor of compressor, two intelligent power modules are needed to realize the driving, have the problem that the integrated level is low, are unfavorable for the miniaturized design of air conditioner drive control.
Disclosure of Invention
The present invention provides a high voltage integrated circuit, an intelligent power module and a driving control method for overcoming the above-mentioned shortcomings in the prior art, and the object is achieved by the following technical solutions.
The invention provides a high-voltage integrated circuit of an intelligent power module in a first aspect, wherein the high-voltage integrated circuit comprises a first motor control input end, a first motor driving circuit, a second motor control input end, a second motor driving circuit and a signal processing circuit;
the input end of the signal processing circuit is respectively connected with the first motor control input end and the second motor control input end; and the output end of the signal processing circuit is respectively connected with the input end of the first motor driving circuit and the input end of the second motor driving circuit.
The second aspect of the invention provides a high-voltage integrated circuit of an intelligent power module, which comprises a first motor control input end, a first motor driving circuit, a first motor power inverter circuit, a second motor control input end, a second motor driving circuit and a signal processing circuit;
the input end of the signal processing circuit is respectively connected with the first motor control input end and the second motor control input end; the output end of the signal processing circuit is respectively connected with the input end of the first motor driving circuit and the input end of the second motor driving circuit; and the input end of the first motor power inverter circuit is connected with the output end of the first motor driving circuit.
A third aspect of the invention provides a smart power module comprising: a first motor power inverter circuit, a second motor power inverter circuit, and a high voltage integrated circuit of the intelligent power module as described in the first aspect above;
the output end of a first motor driving circuit of the high-voltage integrated circuit is connected with the input end of the first motor power inverter circuit;
and the output end of a second motor driving circuit of the high-voltage integrated circuit is connected with the input end of the second motor power inverter circuit.
A fourth aspect of the present invention provides an intelligent power module, comprising: a second motor power inverter circuit and a high voltage integrated circuit of the intelligent power module as described in the second aspect;
and the output end of a second motor driving circuit of the high-voltage integrated circuit is connected with the input end of the second motor power inverter circuit.
The fifth aspect of the present invention provides an air conditioner, where the air conditioner external unit includes a fan, a compressor, and the intelligent power module of the third aspect or the fourth aspect;
the fan is connected with the output end of a first motor power inverter circuit of the intelligent power module; and the compressor is connected with the output end of the second motor power inverter circuit of the intelligent power module.
A sixth aspect of the present invention proposes a drive control method applying the smart power module as described in the above third or fourth aspect, the method including:
the first motor control input end receives a first low-voltage driving signal for driving a first motor, and the second motor control input end receives a second low-voltage driving signal for driving a second motor;
the signal processing circuit performs signal processing on the first low-voltage driving signal and then inputs the first low-voltage driving signal into the first motor driving circuit, and performs signal processing on the second low-voltage driving signal and then inputs the second low-voltage driving signal into the second motor driving circuit;
the first motor driving circuit converts the processed first low-voltage driving signal into a first high-voltage driving signal and inputs the first high-voltage driving signal into a first motor power inverter circuit, and the first motor power inverter circuit provides power for an external first motor according to the first high-voltage driving signal;
the second motor driving circuit converts the processed second low-voltage driving signal into a second high-voltage driving signal and inputs the second high-voltage driving signal into a second motor power inverter circuit, and the second motor power inverter circuit provides power for an external second motor according to the second high-voltage driving signal.
In this application embodiment, because the high voltage integrated circuit of intelligent power module has integrateed the drive circuit of two motors, first motor drive circuit and second motor drive circuit promptly to through with the power inverter part integrated package of this high voltage integrated circuit and two motors in an intelligent power module, alright utilize an intelligent power module to realize the drive of fan and compressor in the air conditioner, for the drive is realized to current two intelligent power modules that utilize, the volume of air conditioner drive control can be reduced, be favorable to drive control's miniaturized design.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view illustrating a driving control structure of an air conditioner according to an exemplary embodiment of the present invention;
fig. 2 is a schematic diagram of a high voltage integrated circuit of an intelligent power module according to an exemplary embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a smart power module according to the embodiment of FIG. 2;
FIG. 4 is a schematic diagram of another smart power module high voltage integrated circuit according to an exemplary embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating a smart power module according to the embodiment shown in FIG. 4;
fig. 6 is a flowchart illustrating an embodiment of a driving control method according to an exemplary embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present invention. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
Typically, an IPM module includes an HVIC and a power inverter circuit. One IPM module realizes three-phase inverter driving of one motor.
At present, for driving a fan and a compressor of an air conditioner, one is an IPM module with two 6 channels and a PFC (Power Factor Correction) driving module, and the other is an IPM module with one 6 channel and an IPM module with one 7 channel (the IPM integrates three-phase inversion control and PFC driving functions).
As shown in fig. 1, in an existing driving control structure of an air conditioner, an intelligent power module 1 receives a first low voltage driving signal of an MCU (micro controller Unit) to implement three-phase inversion control of a fan motor, an intelligent power module 2 receives a second low voltage driving signal of the MCU to implement three-phase inversion control of a compressor motor, and a PFC driving module receives a PFC control signal of the MCU and provides a high voltage reference signal for power inverter circuits in the intelligent power module 1 and the intelligent power module 2 according to the PFC control signal.
Because the drive control of the air conditioner needs two intelligent power modules, the packaging volume is large, and the integration level is low, so that the drive control is not beneficial to the miniaturization design.
In order to solve the technical problem, the high-voltage integrated circuit of the fan and the high-voltage integrated circuit of the compressor are integrated in one high-voltage integrated circuit, so that the miniaturization design of the driving control of the air conditioner is facilitated.
As shown in fig. 2, the high-voltage integrated circuit structure of an intelligent power module proposed by the present invention includes a first motor control input terminal (HIN 1-HIN 3, LIN 1-LIN 3), a first motor driving circuit 102, a second motor control input terminal (HIN 4-HIN 6, LIN 4-LIN 6), a second motor driving circuit 103, and a signal processing circuit 101; the input end of the signal processing circuit 101 is respectively connected with the first motor control input end and the second motor control input end; the output end of the signal processing circuit 101 is connected to the input end of the first motor driving circuit 102 and the input end of the second motor driving circuit 103 respectively.
The signal processing circuit 101 is configured to perform signal processing on a first low-voltage driving signal at the first motor control input end, and/or perform signal processing on a second low-voltage driving signal at the second motor control input end.
Illustratively, the signal processing circuit 101 includes an input logic circuit for filtering, shaping, delaying, etc., signals, and a dead-time protection and interlock circuit for preventing signals entering the upper bridge driving circuit and signals entering the lower bridge driving circuit from being high at the same time.
In this embodiment, because the high voltage integrated circuit of intelligent power module has integrateed the drive circuit of two motors, first motor drive circuit and second motor drive circuit promptly to through with the power inverter part integrated package of this high voltage integrated circuit and two motors in an intelligent power module, alright utilize an intelligent power module to realize the drive of fan and compressor in the air conditioner, for the drive is realized to current two intelligent power modules that utilize, can reduce air conditioner drive control's volume, be favorable to drive control's miniaturized design.
In an embodiment, each of the first motor driving circuit 102 and the second motor driving circuit 103 includes an under-voltage protection circuit, an upper bridge driving circuit and a lower bridge driving circuit; the undervoltage protection circuit is connected with the upper bridge driving circuit.
First low-voltage driving signals input into the first motor control input ends HIN 1-HIN 3 are processed by the signal processing circuit 101 and then input into an upper bridge driving circuit in the first motor driving circuit 102, and first low-voltage driving signals input into LIN 1-LIN 3 are processed by the signal processing circuit 101 and then input into a lower bridge driving circuit in the first motor driving circuit 102; second low-voltage driving signals input to the second motor control input terminals HIN4 to HIN6 are processed by the signal processing circuit 101 and then input to the upper bridge driving circuit in the second motor driving circuit 103, and second low-voltage driving signals input to LIN4 to LIN6 are processed by the signal processing circuit 101 and then input to the lower bridge driving circuit in the second motor driving circuit 103.
In an embodiment, as shown in fig. 2, the high voltage integrated circuit may further include a bootstrap circuit 104 and an operating voltage input VCC; the input end of the bootstrap circuit 104 is connected to the working voltage input end VCC, and the output end of the bootstrap circuit 104 is connected to the undervoltage protection circuit in the first motor drive circuit 102 and the undervoltage protection circuit in the second motor drive circuit 103, respectively.
The bootstrap circuit 104 is used to ensure that the first motor driving circuit 102 and the second motor driving circuit 103 operate normally.
For example, the bootstrap circuit 104 may be in a mode of a diode + a resistor, or in a mode of a MOS transistor + a control circuit, which is not particularly limited in the present invention.
In an embodiment, a PFC driving module is further required for implementing motor driving, and the PFC driving module includes a PFC driving circuit and a PFC switch, and the PFC switch belongs to a high-power device and is not suitable for being integrated in a high-voltage integrated circuit, and the PFC driving circuit has low power, so that the PFC driving circuit can be integrated in the high-voltage integrated circuit to reduce the number of devices in the intelligent power module, and further reduce the layout and packaging difficulty of the intelligent power module.
Based on this, as shown in fig. 2, the high voltage integrated circuit may further include a PFC driving circuit and a PFC control input terminal PFCIN; the PFC control input terminal PFCIN is connected to the input terminal of the signal processing circuit 101, and the output terminal of the signal processing circuit 101 is further connected to the PFC driving circuit 105.
The PFC control signal received by the PFC control input end is processed by the signal processing circuit and then sequentially passes through the PFC driving circuit and the PFC switch. The PFC switch is connected with a power inversion part of the motor and used for providing a high-voltage reference signal for the power inversion part.
In one embodiment, as further shown in fig. 2 above, the high voltage integrated circuit may further include a protection circuit 106 for ensuring proper operation of the smart power module.
Illustratively, the protection circuit may include an overcurrent protection circuit, an undervoltage protection circuit, an overheat protection circuit, and the like.
Based on the high-voltage integrated circuit shown in fig. 2, the intelligent power module shown in fig. 3 can be obtained, which includes the first motor power inverter circuit 107, the second motor power inverter circuit 108, and the high-voltage integrated circuit shown in fig. 2. The output end of the first motor driving circuit 102 of the high-voltage integrated circuit is connected with the input end of the first motor power inverter circuit 107; the output end of the second motor driving circuit 103 of the high-voltage integrated circuit is connected with the input end of the second motor power inverter circuit 108.
The working voltage input end VCC of the high-voltage integrated circuit, the first motor control input end and the second motor control input end are all used as input ends of the intelligent power module.
Those skilled in the art will understand that the intelligent power module further includes some other circuit structures, and is connected to the output terminals of the other circuits in fig. 2, for example, the intelligent power module further includes a PFC switch, an input terminal of the PFC switch is connected to the output terminal of the PFC driving circuit in fig. 2, and an output terminal of the PFC switch is connected to the first motor power inverter circuit and the second motor power inverter circuit, respectively.
It should be noted that, because the power of the fan is low, the power inverter of the fan can be integrated into the high-voltage integrated circuit to reduce the number of devices in the intelligent power module, thereby reducing the layout and packaging difficulties of the intelligent power module, and reducing the electromagnetic interference inside the intelligent power module. The power of the compressor is large, and the corresponding power inverter part is not suitable for being integrated into a high-voltage integrated circuit.
Based on this, as shown in fig. 4, in order to provide another high voltage integrated circuit structure of an intelligent power module according to the present invention, on the basis of the high voltage integrated circuit structure shown in fig. 2, the high voltage integrated circuit further includes a first motor power inverter circuit 107, and an output terminal of the first motor driving circuit 102 is connected to an input terminal of the first motor power inverter circuit 107.
The first motor power inverter circuit is used for providing power for the first motor, and the second motor power inverter circuit is used for providing power for the second motor. The power of the first motor is less than the power of the second motor. When the air conditioner is applied, the first motor is a fan, and the second motor is a compressor.
Illustratively, the first motor power inverter circuit and the second motor power inverter circuit each include a first switching tube, a second switching tube, a third switching tube, a fourth switching tube, a fifth switching tube, and a sixth switching tube.
Based on the high voltage integrated circuit shown in fig. 4, the smart power module shown in fig. 5 can include: a second motor power inverter circuit 108 and a high voltage integrated circuit as shown in fig. 4.
The output end of the second motor driving circuit 103 of the high-voltage integrated circuit is connected with the input end of the second motor power inverter circuit 108.
The working voltage input end VCC of the high-voltage integrated circuit, the first motor control input end and the second motor control input end are also used as the input ends of the intelligent power module.
The invention also provides an air conditioner, which comprises a fan, a compressor and the intelligent power module shown in the figure 3 or the figure 5.
The fan is connected with the output end of the first motor power inverter circuit of the intelligent power module, and the compressor is connected with the output end of the second motor power inverter circuit of the intelligent power module.
Fig. 6 is a flowchart illustrating an embodiment of a driving control method according to an exemplary embodiment of the present invention, based on the intelligent power module illustrated in fig. 3 or fig. 5, the driving control method includes the following steps:
step 610: the first motor control input receives a first low voltage drive signal for driving the first motor and the second motor control input receives a second low voltage drive signal for driving the second motor.
The first low-voltage driving signal and the second low-voltage driving signal can be square wave signals with the same or different frequencies.
Step 620: the signal processing circuit performs signal processing on the first low-voltage driving signal and then inputs the first low-voltage driving signal into the first motor driving circuit, and performs signal processing on the second low-voltage driving signal and then inputs the second low-voltage driving signal into the second motor driving circuit.
Step 630: the first motor driving circuit converts the processed first low-voltage driving signal into a first high-voltage driving signal and inputs the first high-voltage driving signal into the first motor power inverter circuit, and the first motor power inverter circuit provides power for the external first motor according to the first high-voltage driving signal.
Taking the first motor driving circuit to convert the first low-voltage driving signal into the first high-voltage driving signal as an example, the conversion process is to convert the first low-voltage driving signal into a first low-voltage pulse signal, and then perform level conversion on the first low-voltage pulse signal to obtain the first high-voltage driving signal.
Step 640: the second motor driving circuit converts the processed second low-voltage driving signal into a second high-voltage driving signal and inputs the second high-voltage driving signal into a second motor power inverter circuit, and power is provided for an external second motor through the second motor power inverter circuit according to the second high-voltage driving signal.
The execution sequence of the steps 630 and 640 is not limited in the present invention.
For the process of the above steps 610 to 640, reference may be made to the related description of the embodiments shown in fig. 2 to 5, and details will not be given.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A high-voltage integrated circuit of an intelligent power module is characterized in that the high-voltage integrated circuit comprises a first motor control input end, a first motor driving circuit, a second motor control input end, a second motor driving circuit and a signal processing circuit;
the input end of the signal processing circuit is respectively connected with the first motor control input end and the second motor control input end; and the output end of the signal processing circuit is respectively connected with the input end of the first motor driving circuit and the input end of the second motor driving circuit.
2. The high-voltage integrated circuit of claim 1, wherein the first and second motor drive circuits each comprise an under-voltage protection circuit, an upper bridge drive circuit, and a lower bridge drive circuit; the undervoltage protection circuit is connected with the upper bridge driving circuit.
3. The high voltage integrated circuit of claim 2, further comprising a bootstrap circuit and an operating voltage input;
the input end of the bootstrap circuit is connected with the working voltage input end, and the output end of the bootstrap circuit is respectively connected with the undervoltage protection circuit in the first motor driving circuit and the undervoltage protection circuit in the second motor driving circuit.
4. The high voltage integrated circuit of claim 1, further comprising a PFC driver circuit and a PFC control input;
the PFC control input end is connected with the input end of the signal processing circuit, and the output end of the signal processing circuit is also connected with the PFC driving circuit.
5. A high-voltage integrated circuit of an intelligent power module is characterized in that the high-voltage integrated circuit comprises a first motor control input end, a first motor driving circuit, a first motor power inverter circuit, a second motor control input end, a second motor driving circuit and a signal processing circuit;
the input end of the signal processing circuit is respectively connected with the first motor control input end and the second motor control input end; the output end of the signal processing circuit is respectively connected with the input end of the first motor driving circuit and the input end of the second motor driving circuit; and the input end of the first motor power inverter circuit is connected with the output end of the first motor driving circuit.
6. A smart power module, comprising: a first motor power inverter circuit, a second motor power inverter circuit, and a high voltage integrated circuit of the smart power module as claimed in any one of claims 1-4;
the output end of a first motor driving circuit of the high-voltage integrated circuit is connected with the input end of the first motor power inverter circuit;
and the output end of a second motor driving circuit of the high-voltage integrated circuit is connected with the input end of the second motor power inverter circuit.
7. A smart power module, comprising: a second motor power inverter circuit and a high voltage integrated circuit of the smart power module as recited in claim 5 above;
and the output end of a second motor driving circuit of the high-voltage integrated circuit is connected with the input end of the second motor power inverter circuit.
8. An air conditioner, characterized in that the outdoor unit of the air conditioner comprises a fan, a compressor and the intelligent power module of claim 6 or 7;
the fan is connected with the output end of a first motor power inverter circuit of the intelligent power module; and the compressor is connected with the output end of the second motor power inverter circuit of the intelligent power module.
9. A driving control method applying the intelligent power module as claimed in claim 6 or 7, wherein the method comprises:
the first motor control input end receives a first low-voltage driving signal for driving a first motor, and the second motor control input end receives a second low-voltage driving signal for driving a second motor;
the signal processing circuit performs signal processing on the first low-voltage driving signal and then inputs the first low-voltage driving signal into the first motor driving circuit, and performs signal processing on the second low-voltage driving signal and then inputs the second low-voltage driving signal into the second motor driving circuit;
the first motor driving circuit converts the processed first low-voltage driving signal into a first high-voltage driving signal and inputs the first high-voltage driving signal into a first motor power inverter circuit, and the first motor power inverter circuit provides power for an external first motor according to the first high-voltage driving signal;
the second motor driving circuit converts the processed second low-voltage driving signal into a second high-voltage driving signal and inputs the second high-voltage driving signal into a second motor power inverter circuit, and the second motor power inverter circuit provides power for an external second motor according to the second high-voltage driving signal.
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| CN201911230252.2A CN112910320A (en) | 2019-12-04 | 2019-12-04 | High-voltage integrated circuit, intelligent power module and drive control method |
| PCT/CN2020/133827 WO2021110128A1 (en) | 2019-12-04 | 2020-12-04 | Data storage method, apparatus, device and storage medium |
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| CN201911230252.2A CN112910320A (en) | 2019-12-04 | 2019-12-04 | High-voltage integrated circuit, intelligent power module and drive control method |
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| CN109861501A (en) * | 2019-03-25 | 2019-06-07 | 广东美的制冷设备有限公司 | Intelligent power module and air conditioner |
| CN110085581B (en) * | 2019-05-30 | 2024-03-29 | 广东美的制冷设备有限公司 | High-integration intelligent power module and air conditioner |
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| US9704789B1 (en) * | 2016-10-16 | 2017-07-11 | Alpha And Omega Semiconductor (Cayman) Ltd. | Molded intelligent power module |
| US20190252970A1 (en) * | 2017-03-09 | 2019-08-15 | Mitsubishi Electric Corporation | Power conversion apparatus and logic circuit |
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| CN208479500U (en) * | 2018-07-24 | 2019-02-05 | 广东美的制冷设备有限公司 | Driver IC circuits, intelligent power module and the air conditioner of intelligent power module |
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