CN114459129B

CN114459129B - Control method, control device, variable frequency equipment and computer readable storage medium

Info

Publication number: CN114459129B
Application number: CN202210072351.8A
Authority: CN
Inventors: 赵伟雄
Original assignee: Meiken Semiconductor Technology Co ltd
Current assignee: Meiken Semiconductor Technology Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2023-06-30
Anticipated expiration: 2042-01-21
Also published as: CN114459129A

Abstract

The application provides a control method, a control device, a frequency conversion device and a computer readable storage medium, wherein the frequency conversion device at least comprises an integrated Intelligent Power Module (IPM), a main control unit and a load, and the integrated IPM comprises a control unit, at least one sampling circuit and at least one control circuit; the control method comprises the following steps: determining the power-on starting of the variable frequency equipment, acquiring an operation program, determining an operation control instruction contained in the operation program, and sending the operation control instruction to a control unit, wherein the operation control instruction contains identification information; the control unit determines a target circuit based on the identification information and forwards an operation control instruction to the target circuit; the control unit receives an output signal fed back by the target circuit, determines target operation based on the output signal, and determines a target load corresponding to the target circuit according to a first mapping relation; the control unit controls the target load to execute the target operation, so that the occupied space of the circuit is saved and the manufacturing efficiency is improved by integrating the IPM integrated circuit.

Description

Control method, control device, variable frequency equipment and computer readable storage medium

Technical Field

The present application relates to the field of automation control technology, and relates to, but is not limited to, a control method, an apparatus, a frequency conversion device, and a computer readable storage medium.

Background

Along with the continuous development and progress of scientific technology, various devices develop towards the direction of intellectualization and energy conservation, frequency conversion devices take a common frequency conversion air conditioner as an example, and a control circuit of the current frequency conversion air conditioner integrates a plurality of unit control circuits, including a power input circuit, an indoor and outdoor control communication circuit, an alternating current voltage sampling circuit, a direct current bus voltage sampling circuit, a power factor correction (Power Factor Correction, PFC) current sampling circuit, a compressor current sampling circuit, a switching power supply circuit, a main control chip circuit, a temperature sensor sampling circuit, an intelligent power module (Intelligent Power Module, IPM) control circuit and a PFC control circuit.

Each unit control circuit requires a separate design, taking up space on the printed wiring board (Printed Circuit Board, PCB) placement layout, resulting in an affected miniaturised design of the circuit control system. In addition, the number of devices is large, resulting in low manufacturing efficiency.

Disclosure of Invention

In view of this, embodiments of the present application provide a control method, apparatus, variable frequency device, and computer readable storage medium.

The technical scheme of the embodiment of the application is realized as follows:

the embodiment of the application provides a control method which is applied to frequency conversion equipment, wherein the frequency conversion equipment at least comprises an integrated Intelligent Power Module (IPM), a main control unit and a load, and the integrated IPM comprises a control unit, at least one sampling circuit and at least one control circuit; the method comprises the following steps:

determining that the variable frequency equipment is electrified and started, acquiring an operation program by the main control unit, determining an operation control instruction contained in the operation program, and sending the operation control instruction to the control unit, wherein the operation control instruction contains identification information;

the control unit determines a target circuit based on the identification information and forwards the operation control instruction to the target circuit so that the target circuit carries out corresponding logic processing on the operation control instruction to obtain an output signal, wherein the target circuit is one of the at least one sampling circuit and the at least one control circuit;

the control unit receives an output signal fed back by the target circuit, determines target operation based on the output signal, and determines a target load corresponding to the target circuit according to a first mapping relation between the circuit and the load;

The control unit controls the target load to execute the target operation.

The embodiment of the application provides a frequency conversion equipment, frequency conversion equipment includes: the intelligent power module IPM comprises a control unit, at least one sampling circuit and at least one control circuit, wherein communication connection is established between the integrated IPM and the main control unit, and the load, the at least one sampling circuit and the at least one control circuit are respectively connected with the control unit through different serial ports;

the main control unit is used for responding to a power-on starting instruction, acquiring an operation program, determining an operation control instruction contained in the operation program, and sending the operation control instruction to the control unit, wherein the operation control instruction contains identification information;

the control unit is used for determining a target circuit based on the identification information and forwarding the operation control instruction to the target circuit so that the target circuit carries out corresponding logic processing on the operation control instruction to obtain an output signal, and the target circuit is one of the at least one sampling circuit and the at least one control circuit; the target circuit comprises a target circuit, a target operation, a first mapping relation between the circuit and a load, a second mapping relation between the circuit and the load, a first mapping relation between the load and the target load, and a second mapping relation between the load and the circuit; and is further configured to control the target load to perform the target operation;

The at least one sampling circuit and the at least one control circuit are configured to control the load.

An embodiment of the present application provides a control device, including:

the response module is used for responding to the power-on starting instruction, the main control unit acquires an operation program, determines an operation control instruction contained in the operation program and sends the operation control instruction to the control unit, wherein the operation control instruction contains identification information;

the determining module is used for determining a target circuit based on the identification information and forwarding the operation control instruction to the target circuit so that the target circuit carries out corresponding logic processing on the operation control instruction to obtain an output signal, and the target circuit is one of the at least one sampling circuit and the at least one control circuit;

the receiving module is used for receiving an output signal fed back by the target circuit by the control unit, determining target operation based on the output signal, and determining a target load corresponding to the target circuit by the control unit according to a first mapping relation between the circuit and the load;

and the control module is used for controlling the target load to execute the target operation by the control unit.

Embodiments of the present application provide a computer-readable storage medium having stored therein computer-executable instructions configured to perform the above-described control method.

The control method, the device, the variable frequency equipment and the computer readable storage medium provided by the embodiment of the application are applied to the variable frequency equipment, wherein the variable frequency equipment at least comprises an integrated IPM (intelligent platform management module), a main control unit and a load, the integrated IPM comprises a control unit, at least one sampling circuit and at least one control circuit, the control method comprises the steps that when the main control unit determines that the variable frequency equipment is electrified and started, an operation program is obtained, an operation control instruction contained in the operation program is determined, and the main control unit sends the operation control instruction to the control unit of the integrated IPM, wherein the operation control instruction comprises identification information; then, after receiving the operation control instruction sent by the main control unit, the control unit determines a target circuit based on the identification information in the operation control instruction and forwards the operation control instruction to the target circuit, so that the target circuit carries out corresponding logic processing on the operation control instruction to obtain an output signal, and the target circuit also feeds back the output signal to the control unit, wherein the target circuit is one of at least one sampling circuit and at least one control circuit; then, after the control unit receives an output signal fed back by the target circuit, the control unit determines target operation based on the output signal, and the control unit also determines a target load corresponding to the target circuit according to a first mapping relation between the circuit and the load; finally, the control unit also controls the target load to execute target operation, so that the sampling circuit and the control circuit are integrated on the integrated IPM, the occupied space of the sampling circuit and the control circuit is saved, and the miniaturization design of a circuit control system is facilitated; the manufacturing efficiency can be improved through integrated design; in addition, through the design idea of integrating, can also reduce the serial ports of circuit to main control unit and occupy, promote inverter's scalability and reliability.

Drawings

Fig. 1 is a schematic flow chart of an implementation of a control method according to an embodiment of the present application;

fig. 2A is a schematic flow chart of an implementation of a power supply method according to an embodiment of the present application;

fig. 2B is a schematic flow chart of another implementation of the power supply method according to the embodiment of the present application;

FIG. 3 is a schematic flow chart of an implementation of the method for determining a target circuit according to the embodiment of the present application;

fig. 4 is a schematic flowchart of an implementation of the method for determining a target operation according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a framework formed by frequency conversion equipment according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a variable frequency air conditioner frame provided in the related art;

FIG. 7 is a schematic diagram of a multi-functional intelligent IPM framework according to an embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of a variable frequency air conditioner component frame according to an embodiment of the present application;

fig. 9 is a schematic diagram of a composition structure of a frequency conversion device according to an embodiment of the present application.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail with reference to the accompanying drawings, and the described embodiments should not be construed as limiting the present application, and all other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of the present application.

In the following description, reference is made to "some embodiments" which describe a subset of all possible embodiments, but it is to be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments and can be combined with one another without conflict.

In the following description, the terms "first", "second", "third" and the like are merely used to distinguish similar objects and do not represent a particular ordering of the objects, it being understood that the "first", "second", "third" may be interchanged with a particular order or sequence, as permitted, to enable embodiments of the application described herein to be practiced otherwise than as illustrated or described herein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing embodiments of the present application only and is not intended to be limiting of the present application.

Based on the problems existing in the related art, the embodiment of the present application provides a control method, where the control method can be applied to a variable frequency device, where the variable frequency device may be a variable frequency air conditioner, a variable frequency refrigerator, a variable frequency washing machine, etc., and the method provided in the present embodiment may be implemented by a computer program, where the computer program completes the control method provided in the present embodiment when executed. In some embodiments, the computer program may control the execution of the corresponding units in the frequency conversion device. Fig. 1 is a schematic flow chart of an implementation of a control method according to an embodiment of the present application, as shown in fig. 1, where the control method includes:

Step S101, determining that the variable frequency equipment is electrified and started, acquiring an operation program by a main control unit, determining an operation control instruction contained in the operation program, and sending the operation control instruction to a control unit.

Here, the frequency conversion device may also be a frequency conversion electric cooker, a frequency conversion microwave oven, or the like. In the embodiment of the application, after receiving a power-on instruction, the frequency conversion equipment enters a standby state; then, receiving a function selection instruction, and determining a target function based on the function selection instruction; and finally, determining the power-on starting of the variable frequency equipment based on the received starting instruction.

In actual implementation, the power-on instruction refers to an instruction received after the frequency conversion device is powered on, and the form of the instruction can be a level form. The function selection instruction can be in the form of pressing a physical button of the variable frequency device (or a remote controller of the variable frequency device) and a display screen of the touch variable frequency device, can also be in the form of voice, and can also be in the form of an instruction sent by an intelligent terminal such as a mobile phone, a tablet, an intelligent wearable device and the like, wherein communication connection is established between the variable frequency device and the intelligent terminal. Similarly, the form of the starting instruction can be in the form of pressing a physical button of the variable frequency device (or a remote controller of the variable frequency device) or touching a display screen of the variable frequency device, the form of the starting instruction can also be in the form of voice, the form of the starting instruction can also be in the form of an instruction sent by an intelligent terminal such as a mobile phone, a tablet, an intelligent wearable device and the like, wherein the form of the function selection instruction can be the same as the form of the starting instruction, and the forms of the function selection instruction and the starting instruction can be different.

Here, the running program is a program corresponding to the target function, and the running control instruction includes identification information, where there is a one-to-one correspondence between the identification information and the circuit integrated with the IPM, that is, the identification information has a corresponding circuit. Next, the operation control instruction included in the operation program can be determined in the following two ways:

in one mode, a specified location in the running program may be determined first, and then the running program at the specified location may be determined as the running control instruction, and the specified location may be 000H, for example. In the second mode, a program expressed in a specified format in the running program may be determined, and then the program expressed in the specified format may be determined as the running control instruction, and the specified format may be an input format and an output format, for example.

In this embodiment of the present application, after determining an operation control instruction included in an operation program, the main control unit sends the operation control instruction to the control unit, where a communication connection is established between the main control unit and the control unit, and signal transmission between the main control unit and the control unit can be achieved based on the communication connection.

In step S102, the control unit determines the target circuit based on the identification information, and forwards the operation control instruction to the target circuit, so that the target circuit performs corresponding logic processing on the operation control instruction, and an output signal is obtained.

Here, the control circuit determines a target circuit based on a one-to-one correspondence between the identification information and the target circuit after receiving the operation control instruction transmitted by the main control circuit, wherein the target circuit is one of at least one sampling circuit and at least one control circuit; and then, the control unit forwards the operation control instruction to the target circuit, wherein the target circuit is integrated in the integrated IPM, and the target circuit and the control circuit are connected through a serial port. Illustratively, the at least one sampling circuit may include an ac voltage sampling circuit, a dc bus voltage sampling circuit, a PFC current sampling circuit, a compressor current sampling circuit; the at least one control circuit may include an indoor and outdoor control communication circuit, an IPM module control circuit, and a PFC control circuit.

In this embodiment of the present application, after receiving an operation control instruction sent by a control unit, a target circuit uses the operation control instruction as an input signal, and performs corresponding logic processing on the operation control instruction to obtain a processed output signal. For example, when the target circuit is a sampling circuit, sampling of the input signal may be implemented, and the obtained sampling value is the output signal. In addition, after the target circuit obtains the output signal, the target circuit also feeds back the output signal to the control unit based on the serial port.

In step S103, the control unit receives the output signal fed back by the target circuit, determines a target operation based on the output signal, and determines a target load corresponding to the target circuit according to a first mapping relationship between the circuit and the load.

Here, the control unit may receive the output signal fed back by the target circuit based on the serial port, and determine the target operation based on a second mapping relationship corresponding to the output signal and the target circuit, where the second mapping relationship is a mapping relationship between the level and the execution operation. In actual implementation, the level value corresponding to the output signal may be obtained first, then the execution operation corresponding to the output signal is determined based on the second mapping relationship and the level value, and finally the execution operation corresponding to the output signal is determined as the target operation.

In this embodiment of the present application, the circuits integrated in the integrated IPM may all be capable of controlling the load, so there is a first mapping relationship between the circuits and the load, where the mapping relationship between the circuits and the load may be a one-to-one mapping relationship, a one-to-many mapping relationship, or a many-to-one mapping relationship. In summary, the control unit may determine, according to the first mapping relationship, a target load corresponding to the target circuit, where the number of loads may be 1, 2, 3, and the load may be a motor, a fan, or the like, where the load is also connected to the control unit through a serial port.

In step S104, the control unit controls the target load to perform the target operation.

In the embodiment of the present application, the target load and the target operation have been determined through the above steps, and at this time, the control unit controls the target load to perform the target operation.

For example, if it is determined that the target load is a motor and the target operation is normal rotation at 100 rotations per second, the control unit controls the motor to perform normal rotation at 100 rotations per second.

In this embodiment of the present application, through steps S101 to S104, the control method is applied to a frequency conversion device, where the frequency conversion device at least includes an integrated IPM, a main control unit, and a load, the integrated IPM includes a control unit, at least one sampling circuit, and at least one control circuit, where the control method includes, when the main control unit determines that the frequency conversion device is powered on, acquiring an operation program, determining an operation control instruction included in the operation program, and then the main control unit sends the operation control instruction to the control unit of the integrated IPM, where the operation control instruction includes identification information; then, after receiving the operation control instruction sent by the main control unit, the control unit determines a target circuit based on the identification information in the operation control instruction and forwards the operation control instruction to the target circuit, so that the target circuit carries out corresponding logic processing on the operation control instruction to obtain an output signal, and the target circuit also feeds back the output signal to the control unit, wherein the target circuit is one of at least one sampling circuit and at least one control circuit; then, after the control unit receives an output signal fed back by the target circuit, the control unit determines target operation based on the output signal, and the control unit also determines a target load corresponding to the target circuit according to a first mapping relation between the circuit and the load; finally, the control unit also controls the target load to execute target operation, so that the sampling circuit and the control circuit are integrated on the integrated IPM, the occupied space of the sampling circuit and the control circuit is saved, and the miniaturization design of a circuit control system is facilitated; the manufacturing efficiency can be improved through integrated design; in addition, through the design idea of integrating, can also reduce the serial ports of circuit to main control unit and occupy, promote inverter's scalability and reliability.

In some embodiments, the integrated IPM needs to be powered on before operation, and in this embodiment, there are two power supply modes for the integrated IPM:

in one mode, power is supplied through a power supply unit integrated with the power supply unit.

Here, the integrated IPM further includes a power supply unit, an input end of the power supply unit is connected to the main control unit, and an output end of the power supply unit is connected to a power port of the integrated IPM, so that a self-sufficient power supply mode can be realized through the power supply unit included in the integrated IPM. Therefore, after "determining that the inverter device is powered on" in step S101, referring to fig. 2A, the following steps S102A 'to S105A' may also be performed:

in step S102A', the main control unit transmits a power signal to the power unit.

The main control unit sends a power signal to the input end of the power unit through the connected serial port, wherein the power signal can be a voltage signal or a current signal.

In step S103A', the power supply unit converts the received power supply signal into a target power supply signal.

Here, the power supply unit includes a power converter, and the power converter may convert a power signal into a target power signal, wherein the target power signal is a working power signal required for the integration of the IPM.

For example, the power supply unit may be a Direct Current-Direct Current (DC-DC), and assuming that the power signal received by the DC-DC is 8 volts and the operating power signal required for the integrated IPM is 5 volts, the DC-DC converts the 8 volts into 5 volts to support the normal operation of the integrated IPM.

In step S104A', the power supply unit delivers the target power supply signal to the power supply port of the integrated IPM.

Here, the target power signal is obtained by processing the power signal by the power unit, and finally, the power unit transmits the target power signal to the power port of the integrated IPM through the output terminal.

In step S105A', the power port of the integrated IPM supplies power to the integrated IPM using the target power supply.

Here, the power port of the integrated IPM supplies a required power signal to the integrated IPM using the target power to supply power to the integrated IPM.

In the second mode, power is supplied through a power module other than the integrated IPM.

The frequency conversion equipment further comprises a power supply module, the power supply module and the integrated IPM are two mutually independent modules, the input end of the power supply module is connected with an external unit except the main control unit, the output end of the power supply module is connected with a power supply port of the integrated IPM, and the power supply module can be used for supplying power to the integrated IPM through the external module. Therefore, after "determining that the inverter device is powered on" in step S101, referring to fig. 2B, the following steps S102B 'to S105B' may also be performed:

In step S102B', the external unit transmits a power signal to the power module.

Here, the external unit is one unit in the frequency conversion device, which is located outside the main control unit, and may be a transformer of the frequency conversion device. And the external unit sends the power supply signal to the input end of the power supply module through the connection relation.

In step S103B', the power module converts the received power signal into a target power signal.

Here, the implementation of step S103B 'is similar to the implementation of step S103A' described above, and thus, the implementation of step S103B 'may refer to the implementation of step S103A' described above, and as such, the target power supply signal is the working power supply signal required for the integration of the IPM.

In step S104B', the power module transmits the target power signal to the power port of the integrated IPM.

The power module processes the power signal to obtain a target power signal, and finally, the power module transmits the target power signal to a power port of the integrated IPM through an output end.

In step S105B', the power port of the integrated IPM supplies power to the integrated IPM using the target power supply.

Here, the implementation of step S105B 'is similar to the implementation of step S105A' described above, and thus, the implementation of step S105B 'may refer to the implementation of step S105A'.

In the embodiment of the present application, on one hand, the power supply unit included in the integrated IPM may convert the power supply signal to obtain the working power supply signal required by the integrated IPM, so as to supply power to the integrated IPM, thereby implementing self-sufficiency of the integrated IPM. On the other hand, the power supply signals can be converted through the power supply module to obtain working power supply signals required by the integrated IPM so as to supply power to the integrated IPM, so that power supply through a peripheral circuit of the integrated IPM is realized, the power supply modes are enriched, and the robustness of the frequency conversion equipment is improved.

In some embodiments, referring to fig. 3, the "control unit determines the target circuit based on the identification information" in the above-described step S102 may be implemented by the following steps S1021 to S1023:

step S1021, acquiring first circuit identification information of at least one sampling circuit and second circuit identification information of at least one control circuit.

Here, the circuits included in the integrated IPM include circuit identification information, and different circuits have different identification information, where the identification information may be default values set by a factory or may be custom values. Illustratively, the identification information may be 001, 002, 003, etc.

In the embodiment of the application, the first circuit identification information of the at least one sampling circuit can be obtained through the identification acquisition instruction, and the second circuit identification information of the at least one control circuit can also be obtained through the identification acquisition instruction.

Step S1022 determines target circuit identification information matching the identification information from the first circuit identification information and the second circuit identification information.

Here, by comparing the identification information with the first circuit identification information and the second identification information, respectively, the circuit identification information that coincides with the identification information can be determined as the target circuit identification information.

Step S1023, determining the circuit corresponding to the target circuit identification information as the target circuit.

Here, the corresponding circuit is determined based on the target circuit identification information, and the circuit corresponding to the target circuit identification information is determined as the target circuit.

In the embodiment of the present application, through the steps S1021 to S1023, the target circuit identification information matched with the identification information is determined, and then the corresponding target circuit is determined based on the target circuit identification information, so that the target circuit is simply and quickly determined.

In some embodiments, referring to fig. 4, the "determining a target operation based on an output signal" in the above-described step S103 may be implemented by the following steps S1031 to S1033:

step S1031, obtaining a second mapping relationship corresponding to the target circuit.

Here, the second mapping relationship corresponding to the target circuit may be obtained by the relationship obtaining instruction, where the second mapping relationship is a mapping relationship between the level and the execution operation, and for example, the second mapping relationship may be that the high level corresponds to the motor forward transmission and the low level corresponds to the motor reverse rotation.

In step S1032, a level value corresponding to the output signal is obtained.

Here, the output signal may be analyzed to obtain a level value corresponding to the output signal.

Step S1033, determining an execution operation corresponding to the output signal based on the second mapping relation and the level value, and determining the execution operation corresponding to the output signal as a target operation.

Here, in the second mapping relationship, the level value is searched for the execution operation corresponding to the level value, which is the execution operation corresponding to the output signal. Then, the execution operation corresponding to the output signal is also determined as the target operation.

In this embodiment of the present application, through the steps S1031 to S1033, a second mapping relationship and a level value corresponding to an output signal are obtained, then an execution operation corresponding to the level value is determined based on the second mapping relationship, where the execution operation corresponding to the level value is an execution operation corresponding to the output signal, and finally the execution operation corresponding to the output signal is determined as a target operation, so that the target operation is accurately and efficiently determined, and the execution efficiency of the frequency conversion device is improved.

Based on the above embodiments, the present application provides a frequency conversion apparatus, as shown in fig. 5, the frequency conversion apparatus 50 includes: IPM 501, main control unit 502, load 503, power module 504, and external unit 505 are integrated. Among other things, integrated IPM 501 includes a control unit 5011, at least one sampling circuit 5012, at least one control circuit 5013, a power supply unit 5014, and a power supply port 5015.

In this embodiment, referring to fig. 5, the integrated IPM 501 establishes a communication connection with the main control unit 502, and the load 503, the at least one sampling circuit 5012, and the at least one control circuit 5013 are connected to the control unit 5011 through different serial ports, respectively.

In some embodiments, referring to fig. 5, the input of power unit 5014 is connected to master unit 502 and the output of power unit 5014 is connected to power port 5015 of integrated IPM 501.

In some embodiments, referring to fig. 5, the power module 504 and the integrated IPM 501 module are two independent modules, an input terminal of the power module 504 is connected to an external unit 505 other than the main control unit 502, and an output terminal of the power module 504 is connected to a power port 5015 of the integrated IPM 501.

In actual implementation, the main control unit 502 is configured to obtain an operation program in response to a power-on start instruction, determine an operation control instruction included in the operation program, and send the operation control instruction to the control unit 5011, where the operation control instruction includes identification information.

The control unit 5011 is configured to determine a target circuit based on the identification information, and forward the operation control instruction to the target circuit, so that the target circuit performs corresponding logic processing on the operation control instruction to obtain an output signal, where the target circuit is one of at least one sampling circuit 5012 and at least one control circuit 5013; the method comprises the steps of receiving an output signal fed back by a target circuit, determining target operation based on the output signal, and determining a target load corresponding to the target circuit according to a first mapping relation between the circuit and the load; and is also used for controlling the target load to execute the target operation.

At least one sampling circuit 5012 and at least one control circuit 5013 for controlling the load 503.

A power supply unit 5014 for receiving a power supply signal from the main control unit 502 and converting the received power supply signal into a target power supply signal, the target power supply signal being a working power supply signal required for the integration of the IPM 501; and also to deliver a target power signal to power port 5015 to power integrated IPM 501.

A power module 504, configured to receive a power signal from the external unit 505, and convert the received power signal into a target power signal, where the target power signal is a working power signal required for the integrated IPM 501; and also to deliver a target power signal to power port 5015 to power integrated IPM 501.

The description of the up-conversion device embodiments above is similar to that of the method embodiments described above, with similar advantageous effects as the method embodiments. For technical details not disclosed in the embodiments of the frequency conversion apparatus of the present application, please refer to the description of the embodiments of the method of the present application for understanding.

Based on the above embodiments, the present embodiment further provides a variable frequency device, taking the variable frequency device as an example of a variable frequency air conditioner, in the related art, as shown in fig. 6, the variable frequency air conditioner 60 may include a main control chip circuit 61, a power input circuit 62, an indoor and outdoor control communication circuit 63, an ac voltage sampling circuit 64, a dc bus voltage sampling circuit 65, a switching circuit 66, a PFC circuit sampling circuit 67, a compressor current sampling circuit 68, a temperature sensor sampling circuit 69, an IPM module control circuit 610, and a PFC control circuit 611, where these circuits all directly pass through a serial port and the main control chip circuit 61, resulting in a complex control layout and a large number of circuits, so that the manufacturing efficiency is low and a large space is occupied, and the cost is increased.

In the embodiment of the present application, the IPM may integrate a plurality of circuits to obtain a multifunctional intelligent IPM, where the multifunctional intelligent IPM corresponds to the integrated IPM in the above embodiment, as shown in fig. 7, the multifunctional intelligent IPM 70 integrates an indoor and outdoor control communication circuit function 71, an ac voltage sampling circuit function 72, a DC bus voltage sampling circuit function 73, a PFC circuit sampling circuit function 74, a compressor current sampling circuit function 75, an IPM module control circuit function 76, a PFC control circuit function 77, a DC-DC independent power supply function 78, and a built-in micro control unit (Microcontroller Unit, MCU) driving control chip 79, and of course, the multifunctional intelligent IPM may also be compatible with other expansion functions. Wherein, the DC-DC independent power supply function 76 can cancel the solution of peripheral power supply, is compatible with the power supply capacity of a circuit, and realizes the miniaturization of a circuit control system; the built-in MCU drive control chip 79 is used for realizing the full drive control of the module, so that the circuit control system is more intelligent.

Based on the above embodiment, taking a variable frequency air conditioner as an example, fig. 8 is a control composition block diagram of the variable frequency air conditioner provided in the embodiment of the present application, and referring to fig. 8, the variable frequency air conditioner 80 is composed of a main control chip circuit 81, a power input circuit 82, a temperature sensor sampling circuit 83, a switching power supply circuit 84, and a multifunctional intelligent IPM 70.

In the embodiment of the application, the miniaturization of the circuit control system can be realized through the multifunctional intelligent IPM, the complexity of the design of the unit circuit is reduced, the manufacturing efficiency is improved, the design cost is reduced, and the reliability of the control system is improved.

In practical implementation, the multifunctional intelligent IPM can use a double In-line Package (DIP) Package with a small size, can realize the scheme manufacturing requirement of assembly and use on a single-sided PCB or a multi-sided PCB, and improves the production compatibility. The multifunctional intelligent IPM can also realize the function processing of a multi-mode control circuit, reduce the complexity of the design of a circuit control system and further realize the miniaturized control of the electric control layout.

Based on the foregoing embodiments, the embodiments of the present application provide a control apparatus, where each module included in the control apparatus and each unit included in each module may be implemented by a processor in a computer device; of course, the method can also be realized by a specific logic circuit; in practice, the processor may be a central processing unit (Central Processing Unit, CPU), microprocessor (Microprocessor Unit, MPU), digital signal processor (Digital Signal Processing, DSP) or field programmable gate array (Field Programmable Gate Array, FPGA), etc.

Fig. 9 is a schematic structural diagram of the control device provided in the embodiment of the present application, as shown in fig. 9, where the control device 900 includes:

the response module 901 is configured to respond to a power-on start instruction, obtain an operation program by using the main control unit, determine an operation control instruction contained in the operation program, and send the operation control instruction to the control unit, where the operation control instruction contains identification information;

a determining module 902, configured to determine, by using the control unit, a target circuit based on the identification information, and forward the operation control instruction to the target circuit, so that the target circuit performs corresponding logic processing on the operation control instruction to obtain an output signal, where the target circuit is one of the at least one sampling circuit and the at least one control circuit;

a receiving module 903, configured to receive an output signal fed back by the target circuit by using the control unit, determine a target operation based on the output signal, and determine a target load corresponding to the target circuit according to a first mapping relationship between the circuit and the load;

And the control module 904 is used for controlling the target load to execute the target operation by the control unit.

In some embodiments, the receiving module 903 is further configured to receive a power signal from the main control unit by using the power unit, and convert the received power signal into a target power signal, where the target power signal is a working power signal required by the integrated IPM; the control device 900 further includes:

and the first conveying module is used for conveying the target power supply signal to the power supply port of the integrated IPM by the power supply unit so as to supply power to the integrated IPM.

In some embodiments, the receiving module 903 is further configured to receive a power signal from an external unit other than the main control unit, and convert the received power signal into a target power signal, where the target power signal is a working power signal required by the integrated IPM; the control device 900 further includes:

and the second conveying module is used for conveying the target power supply signal to the power supply port of the integrated IPM by the power supply module so as to supply power to the integrated IPM.

In some embodiments, the determining module 902 includes:

A first obtaining sub-module, configured to obtain first circuit identification information of the at least one sampling circuit and second circuit identification information of the at least one control circuit;

a first determining submodule, configured to determine target circuit identification information matched with the identification information from the first circuit identification information and the second circuit identification information;

and the second determining submodule is used for determining the circuit corresponding to the target circuit identification information as a target circuit.

In some embodiments, the receiving module 903 comprises:

the second obtaining submodule is used for obtaining a second mapping relation corresponding to the target circuit, wherein the second mapping relation is a mapping relation between the level and the execution operation;

the third acquisition sub-module is used for acquiring the level value corresponding to the output signal;

and the third determining submodule is used for determining the execution operation corresponding to the output signal based on the second mapping relation and the level value and determining the execution operation corresponding to the output signal as the target operation.

It should be noted that, the description of the control device in the embodiment of the present application is similar to the description of the embodiment of the method described above, and has similar beneficial effects as the embodiment of the method, so that a detailed description is omitted. For technical details not disclosed in the embodiments of the present apparatus, please refer to the description of the embodiments of the method of the present application for understanding.

In the embodiment of the present application, if the control method is implemented in the form of a software functional module and sold or used as a separate product, the control method may also be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the embodiments of the present application may be essentially or partially contributing to the related art, and the computer software product may be stored in a storage medium, and include several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read Only Memory (ROM), a magnetic disk, an optical disk, or other various media capable of storing program codes. Thus, embodiments of the present application are not limited to any specific combination of hardware and software.

Accordingly, embodiments of the present application provide a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the control method provided in the above embodiments.

The description of the storage medium embodiments above is similar to that of the method embodiments described above, with similar advantageous effects as the method embodiments. For technical details not disclosed in the storage medium embodiments of the present application, please refer to the description of the method embodiments of the present application for understanding.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that, in various embodiments of the present application, the sequence numbers of the foregoing processes do not mean the order of execution, and the order of execution of the processes should be determined by the functions and internal logic thereof, and should not constitute any limitation on the implementation process of the embodiments of the present application. The foregoing embodiment numbers of the present application are merely for describing, and do not represent advantages or disadvantages of the embodiments.

It should be noted that, in this document, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the several embodiments provided in this application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above described device embodiments are only illustrative, e.g. the division of the units is only one logical function division, and there may be other divisions in practice, such as: multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. In addition, the various components shown or discussed may be coupled or directly coupled or communicatively coupled to each other via some interface, whether indirectly coupled or communicatively coupled to devices or units, whether electrically, mechanically, or otherwise.

The units described above as separate components may or may not be physically separate, and components shown as units may or may not be physical units; can be located in one place or distributed to a plurality of network units; some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may be separately used as one unit, or two or more units may be integrated in one unit; the integrated units may be implemented in hardware or in hardware plus software functional units.

Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the above method embodiments may be implemented by hardware related to program instructions, and the foregoing program may be stored in a computer readable storage medium, where the program, when executed, performs steps including the above method embodiments; and the aforementioned storage medium includes: various media capable of storing program codes, such as a removable storage device, a ROM, a magnetic disk, or an optical disk.

Alternatively, the integrated units described above may be stored in a computer readable storage medium if implemented in the form of software functional modules and sold or used as a stand-alone product. Based on such understanding, the technical solutions of the embodiments of the present application may be embodied in essence or in a part contributing to the prior art in the form of a software product stored in a storage medium, including several instructions for causing a product to perform all or part of the methods described in the various embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a removable storage device, a ROM, a magnetic disk, or an optical disk.

The foregoing is merely an embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The control method is applied to the frequency conversion equipment and is characterized in that the frequency conversion equipment at least comprises an integrated IPM, a main control unit and a load, and the integrated IPM comprises a control unit, at least one sampling circuit and at least one control circuit; the method comprises the following steps:

the control unit controls the target load to execute the target operation;

wherein the control unit determines a target circuit based on the identification information, comprising:

acquiring first circuit identification information of the at least one sampling circuit and second circuit identification information of the at least one control circuit;

determining target circuit identification information matched with the identification information from the first circuit identification information and the second circuit identification information;

and determining the circuit corresponding to the target circuit identification information as a target circuit.

2. The method of claim 1, wherein the integrated IPM further comprises a power supply unit, the method further comprising:

the power supply unit receives a power supply signal from the main control unit and converts the received power supply signal into a target power supply signal, wherein the target power supply signal is a working power supply signal required by the integrated IPM;

The power supply unit transmits the target power supply signal to a power supply port of the integrated IPM to supply power to the integrated IPM.

3. The method of claim 1, wherein the inverter device further comprises a power module, the power module and the integrated IPM module being two independent modules, the method further comprising:

the power supply module receives power supply signals from an external unit other than the main control unit and converts the received power supply signals into target power supply signals, wherein the target power supply signals are working power supply signals required by the integrated IPM;

the power module transmits the target power signal to a power port of the integrated IPM to supply power to the integrated IPM.

4. The method of claim 1, wherein said determining a target operation based on said output signal comprises:

acquiring a second mapping relation corresponding to the target circuit, wherein the second mapping relation is a mapping relation between the level and the execution operation;

acquiring a level value corresponding to the output signal;

and determining an execution operation corresponding to the output signal based on the second mapping relation and the level value, and determining the execution operation corresponding to the output signal as the target operation.

5. A frequency conversion apparatus, comprising: the integrated IPM comprises a control unit, at least one sampling circuit and at least one control circuit, wherein communication connection is established between the integrated IPM and the main control unit, and the load, the at least one sampling circuit and the at least one control circuit are respectively connected with the control unit through different serial ports;

the control unit is used for determining a target circuit based on the identification information and forwarding the operation control instruction to the target circuit so that the target circuit carries out corresponding logic processing on the operation control instruction to obtain an output signal, and the target circuit is one of the at least one sampling circuit and the at least one control circuit; the target circuit comprises a target circuit, a target operation, a first mapping relation between the circuit and a load, a second mapping relation between the circuit and the load, a first mapping relation between the load and the target load, and a second mapping relation between the load and the circuit; and is further configured to control the target load to perform the target operation; wherein the control unit determines a target circuit based on the identification information, comprising: acquiring first circuit identification information of the at least one sampling circuit and second circuit identification information of the at least one control circuit; determining target circuit identification information matched with the identification information from the first circuit identification information and the second circuit identification information; determining a circuit corresponding to the target circuit identification information as a target circuit;

6. The frequency conversion apparatus according to claim 5, wherein the integrated IPM further comprises a power supply unit, an input end of the power supply unit is connected to the main control unit, and an output end of the power supply unit is connected to a power port of the integrated IPM;

the power supply unit is used for receiving a power supply signal from the main control unit and converting the received power supply signal into a target power supply signal, wherein the target power supply signal is a working power supply signal required by the integrated IPM; and the integrated IPM is also used for transmitting the target power supply signal to the power supply port so as to supply power to the integrated IPM.

7. The frequency conversion device according to claim 5, further comprising a power module, wherein the power module and the integrated IPM module are two independent modules, an input end of the power module is connected to an external unit other than the main control unit, and an output end of the power module is connected to a power port of the integrated IPM;

the power module is configured to receive a power signal from the external unit, and convert the received power signal into a target power signal, where the target power signal is a working power signal required by the integrated IPM; and the integrated IPM is also used for transmitting the target power supply signal to the power supply port so as to supply power to the integrated IPM.

8. The control device is applied to frequency conversion equipment and is characterized by at least comprising an integrated IPM, a main control unit and a load, wherein the integrated IPM comprises a control unit, at least one sampling circuit and at least one control circuit; the control device includes:

The control module is used for controlling the target load to execute the target operation by the control unit;

the determining module includes:

9. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored therein computer-executable instructions configured to perform the control method of any of the above claims 1 to 4.