CN106483941B - Household appliance control device, household appliance and household appliance control system - Google Patents
Household appliance control device, household appliance and household appliance control system Download PDFInfo
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- CN106483941B CN106483941B CN201610815793.1A CN201610815793A CN106483941B CN 106483941 B CN106483941 B CN 106483941B CN 201610815793 A CN201610815793 A CN 201610815793A CN 106483941 B CN106483941 B CN 106483941B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2615—Audio, video, tv, consumer electronics device
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2638—Airconditioning
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2642—Domotique, domestic, home control, automation, smart house
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2643—Oven, cooking
Abstract
The present invention relates to a home appliance control device, a home appliance, and a home appliance control system, the home appliance control device including: the control module comprises a first control unit, a first storage unit and a second storage unit, wherein the first storage unit stores operation data for controlling the operation of the household appliance; the communication module is connected with the control module and used for receiving the operation data and writing the operation data into the second storage unit; the first control unit is used for controlling the household appliance to work according to the operation data of the second storage unit when the operation data exists in the second storage unit; the second memory cell is a rewritable memory cell. The communication module is configured on the household appliance, so that the operation data can be received from the server, and the operation data of the second storage unit in the control module is rewritten, so that the household appliance can adjust or change the control logic in real time, and the maintenance of the household appliance is more convenient.
Description
Technical Field
The invention relates to the technical field of household appliance control, in particular to a household appliance control device, a household appliance and a household appliance control system.
Background
The operation of a household appliance (hereinafter referred to as a household appliance) such as an air conditioner needs to be performed according to a program function set by a manufacturer, an operation program of the household appliance is preset on a control main board, the household appliance is not changed after leaving a factory, and when a problem or a functional logic error occurs in the control program of the household appliance or the logic change needs to be performed on the control program of the household appliance, only the main board of the household appliance can be replaced, so that the maintenance cost of the household appliance is high.
Disclosure of Invention
Therefore, it is necessary to provide a household appliance control device, a household appliance and a household appliance control system for overcoming the defect of high maintenance cost of the conventional household appliance.
A home appliance control device comprising:
the control module comprises a first control unit, a first storage unit and a second storage unit, wherein the first storage unit stores operation data for controlling the operation of the household appliance;
the communication module is connected with the control module and used for receiving operation data and writing the operation data into the second storage unit;
the first control unit is used for controlling the household appliance to work according to the operation data of the second storage unit when the operation data exist in the second storage unit, and controlling the household appliance to work according to the operation data of the first storage unit when the operation data do not exist in the second storage unit;
the second memory cell is a rewritable memory cell.
In one embodiment, the control module further comprises a detection unit, wherein the detection unit is used for detecting the operating environment of the household appliance and acquiring an environmental parameter;
the communication module is used for receiving the environmental parameters sent by the detection unit and sending the environmental parameters and the version information of the running data in the second storage unit.
In one embodiment, the detection unit includes one or more of a temperature sensor, a humidity sensor, a light sensor, infrared reception data, and a compressor status detector.
In one embodiment, the communication module includes a third storage unit, and the third storage unit is configured to temporarily store the downloaded operation data and send the temporarily stored operation data to the second storage unit.
In one embodiment, the communication module further comprises a second control unit, and the second control unit is used for controlling the household appliance to work according to the downloaded operation data.
In one embodiment, the first memory cell is a read-only memory cell.
In one embodiment, the communication module is a wireless communication module.
A household appliance comprises the household appliance control device in any one of the embodiments.
In one embodiment, the household appliance is an air conditioner, a television, a refrigerator, a washing machine, a water heater, a water purifier, an air purifier, an electric heater, a humidifier, a clothes dryer, an electric kettle, an electric fan, or a kitchen appliance.
A home appliance control system includes a server, and a home appliance including the above embodiment; the server is used for being connected with the communication module and sending operation data to the communication module.
According to the household appliance control device, the household appliance and the household appliance control system, the communication module is configured on the household appliance, the operation data can be received from the server, and the operation data of the second storage unit in the control module is rewritten, so that the household appliance can adjust or change the control logic in real time, and the maintenance of the household appliance is more convenient.
Drawings
Fig. 1 is a block diagram of a home appliance control apparatus according to an embodiment;
fig. 2 is a block diagram of a home appliance control apparatus according to another embodiment;
fig. 3 is a block diagram of a home appliance control apparatus according to another embodiment;
fig. 4 is a block diagram of an air conditioner according to another embodiment.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
For example, the control module comprises a first control unit, a first storage unit and a second storage unit, wherein the first storage unit stores operation data used for controlling the operation of the household appliance; the communication module is connected with the control module and used for receiving operation data and writing the operation data into the second storage unit; the first control unit is used for controlling the household appliance to work according to the operation data of the second storage unit when the operation data exist in the second storage unit, and controlling the household appliance to work according to the operation data of the first storage unit when the operation data do not exist in the second storage unit; the second memory cell is a rewritable memory cell.
According to the household appliance control device, the communication module is configured on the household appliance, the operation data can be received from the server, and the operation data of the second storage unit in the control module is rewritten, so that the household appliance can adjust or change the control logic in real time, and the maintenance of the household appliance is more convenient.
As shown in fig. 1, a control device for a household appliance according to an embodiment includes: the control module 100, the control module 100 includes a first control unit 130, a first storage unit 110 and a second storage unit 120, the first storage unit 110 stores operation data for controlling the operation of the household appliance, and the first control unit 130 is used for controlling the operation of the household appliance according to the operation data of the first storage unit 110; a communication module 200, connected to the control module 100, where the communication module 200 is configured to receive operation data sent by a server, and write the operation data into the second storage unit 120; the first control unit 130 is further configured to control the household appliance to operate according to the operation data written in the second storage unit 120 after the operation data is written in the second storage unit 120; the second memory cell 120 is a rewritable memory cell.
In various embodiments, the operation data is function logic or control logic, for example, the operation data is an operation rule, and for example, the operation data is an operation program or a control program, and the operation data is control logic for controlling the operation of the household appliance, specifically, the operation data is pre-stored in the first storage unit 110, and the first control unit 130 controls the household appliance according to the operation data of the first storage unit 110 under a normal condition or under a condition that the operation data of the first storage unit 110 is not abnormal. For example, the first control unit 130 is a main control chip.
When the operation data of the first storage unit 110 is abnormal or the operation data is not matched with the environment where the household appliance is located, the communication module 200 downloads the operation data from the server, writes the operation data into the second storage unit 120, and the first control unit 130 controls the household appliance to operate according to the operation data of the second storage unit 120. The communication module 200 is connected to a server through a network, the server stores a plurality of or a plurality of kinds of operation data, the communication module 200 downloads the operation data corrected for the logic error or the operation data matched with the working environment where the household appliance is located from the server, and writes the operation data into the second storage unit 120, and the second storage unit 120 can be erased and written many times because the second storage unit 120 is an Erasable storage unit, for example, the second storage unit 120 is a flash Memory, for example, the second storage unit 120 is an EEPROM (Electrically Erasable and Programmable Read Only Memory) Memory. The second memory unit 120 is capable of repeated erasing and writing to modify the control logic in real time.
Specifically, the operation data abnormality described in this embodiment is that the control logic is defective, or the control logic of the first storage unit 110 does not adapt to the working environment of the home appliance at this time, so that the working of the home appliance does not adapt to the user requirement or the working environment, and therefore the control logic of the home appliance needs to be changed, and the first control unit 130 operates the home appliance according to the operation data of the first storage unit 110, so as to adapt to the user requirement or adapt to the working environment of the home appliance.
In this embodiment, since the communication module 200 is configured on the home appliance, the home appliance can receive the operation data from the server and rewrite the operation data of the second storage unit 120 in the control module 100, so that the home appliance can adjust or change the control logic in real time without integrally replacing a main board of the home appliance or detaching the home appliance, and the maintenance of the home appliance is more convenient.
In order to more reasonably control the operation of the household appliance, so that the household appliance can adapt to the current working environment, in an embodiment, as shown in fig. 2, the control module 100 further includes a detection unit 140, where the detection unit 140 is configured to detect an operating environment of the household appliance, and obtain an environmental parameter; the communication module 200 is configured to receive the environmental parameter sent by the detection unit 140, and send the environmental parameter and version information of the operating data in the second storage unit.
For example, the communication module 200 is configured to receive the environmental parameter sent by the detection unit 140, and send the environmental parameter and version information of the operation data in the second storage unit 120 to a server.
For example, the detection unit 140 includes one or more of a temperature sensor, a humidity sensor, a light sensor, an infrared receiving data and a compressor status detector, and the environmental parameter includes one or more of a temperature, a humidity, a brightness, an infrared data and a compressor status, for example, the detection unit 140 is used to detect one or more of a temperature, a humidity, a brightness, an infrared data and a compressor status, that is, the detection unit 140 can detect the working environment of the household appliance, so as to obtain the relevant environmental parameter of the working environment. For example, the first control unit 130 is used to control the home appliance to operate according to the environmental parameter and the operation data of the first storage unit 110 or the operation data of the second storage unit 120.
In this embodiment, the operation data has version information, for example, the version information is a version number, the version information is used to distinguish different operation data, the different operation data is used to match or adapt to different environmental parameters, for example, the household appliance is an air conditioner, the operation data of the air conditioner in a cold and humid environment is different from the operation data of the air conditioner in a warm and dry environment, and since the operation data is matched with the environmental parameters, the operation of the air conditioner is controlled according to the different operation data, on one hand, the working efficiency of the air conditioner can be improved, and the energy consumption can be reduced, on the other hand, the operation data can better adapt to the requirements of users, so that the. And if the operational data does not match with environmental parameter, then will cause air conditioner work unstable easily, the energy consumption is higher, and the not good condition of user experience, for example, current ambient temperature is higher, and what functional logic of the air conditioner this moment corresponds is the wet cold environment, and the operational data of the air conditioner this moment and current environment do not match promptly, then will cause the refrigeration effect of air conditioner not good, and work unstable, the higher condition of energy consumption.
In this embodiment, the communication module 200 sends the version information of the environment parameter and the running data in the second storage unit 120 to the server, the server determines whether the environment parameter matches the version information of the running data in the second storage unit 120, when the environment parameter does not match the running data in the second storage unit 120, the server sends the running data matching the environment parameter to the communication module 200, and the communication module 200 writes the running data matching the environment parameter into the second storage unit 120, so that the running data in the second storage unit 120 is updated to adapt to the working environment of the current household appliance, and the first control unit 130 can more reasonably control the household appliance to work.
In one embodiment, the communication module 200 is configured to send the environment parameters and version information of the operation data in the first storage unit 110 to the server. Specifically, in the present embodiment, the first control unit 130 first controls the operation of the home appliance according to the operation data in the first storage unit 110, and the server detects whether the operation data in the first storage unit 110 is matched with the environment parameter by receiving the environment parameter transmitted by the communication module 200 and the version information of the operation data in the first storage unit 110, and further determines whether the home appliance is operated in a current operating environment, and when the environment parameter is not matched with the version information of the operation data in the first storage unit 110, the server transmits the operation data matching the environment parameter to the communication module 200, the communication module 200 writes the operation data matching the environment parameter to the second storage unit 120, so that the control module 100 can perform control according to the operation data of the second storage unit 120 so that the home appliance can be adapted to the current working environment.
In this embodiment, it can be considered that in the initial state, no operation data is stored in the second storage unit 120, since the household appliance operates according to the operation data in the first storage unit 110 at this time, it is first determined whether the operation data in the first storage unit 110 matches the environmental parameter, when the operation data and the environmental parameter do not match, the operation data is downloaded from the server and written into the second storage unit 120, when the operation data is stored in the second storage unit, and the household appliance operates according to the operation data in the second storage unit 120, it is determined whether the operation data in the second storage unit 120 matches the environmental parameter, and when the operation data and the environmental parameter do not match, the operation data is downloaded from the server and written into the second storage unit 120, and the operation data in the second storage unit 120 is updated.
In order to achieve fast downloading of the operation data and improve reliability of the operation data, in one embodiment, as shown in fig. 3, the communication module 200 includes a third storage unit 210, and the third storage unit 210 is configured to temporarily store the downloaded operation data and send the temporarily stored operation data to the second storage unit 120. For example, the third storage unit 210 is configured to temporarily store the operation data downloaded from the server, and send the temporarily stored operation data to the second storage unit 120. For example, the third storage unit 210 is an erasable memory, so that the third storage unit 210 temporarily stores the operation data sent by the server, and then writes the operation data into the second storage unit 120, which can effectively improve the downloading efficiency of the operation data, for example, the communication module 200 further comprises a checking module for checking the operation data temporarily stored in the third storage unit 210, for example, the verification module is configured to verify the operation data temporarily stored in the third storage unit 210 through an MD5(Message Digest Algorithm 5, fifth version of Message Digest Algorithm), the running data is checked by the checking module for integrity and correctness, e.g., the communication module 200 is also used to notify the server to retransmit the operation data when the operation data check fails, thus improving the reliability of the operation data.
In order to achieve efficient control of the household appliance, in one embodiment, referring to fig. 3 again, the communication module 200 further includes a second control unit 220, and the second control unit 220 is configured to control the household appliance to operate according to the downloaded operation data. For example, the second control unit 220 is used to control the operation of the home appliance according to the operation data downloaded from the server. For example, the second control unit 220 is configured to control the operation of the household appliance according to the operation data temporarily stored in the third storage unit 210, and for example, the second control unit 220 is configured to control the operation of the household appliance according to the operation data stored in the second storage unit 120. For example, when the environment parameter and the version information of the operation data in the second storage unit 120 are provided, the server sends the operation data to the communication module 200, the second control unit 220 of the communication module 200 controls the household appliance to operate according to the operation data downloaded from the server, at this time, the communication module 200 takes over the control right for the household appliance, and the control module 100 only detects and obtains the environment parameter, thereby implementing efficient control of the household appliance.
In one embodiment, the first memory cell 110 is a read-only memory cell. For example, the first storage unit 110 is a ROM (Read-Only Memory), the first storage unit 110 is a ROM, the first storage unit 110 is not erasable, and the operation data stored in the first storage unit 110 cannot be modified or changed, so that when the operation data in the first storage unit 110 is abnormal or the operation data is not matched with the environmental parameter, the operation data in the second storage unit 120 is rewritten, and the control module 100 controls the household appliance according to the operation data in the second storage unit 120.
In order to enable the household appliance to be connected to the server through the network quickly, in an embodiment, the communication module is a Wireless communication module 200, for example, the Wireless communication module 200 is a WIFI (Wireless Fidelity, Wireless local area network based on ieee802.11b standard), the WIFI module is not limited by a site environment, can be connected to the network quickly, and has the characteristics of convenience in use and quickness in access, so that the household appliance can be connected to the network conveniently and quickly and is connected to the server.
In one embodiment, the household appliance is an air conditioner. In this embodiment, the detecting unit 140 includes one or more of a temperature sensor, a humidity sensor, a light sensor, infrared receiving data and a compressor state detector, the environment parameter includes one or more of a temperature, a humidity, a brightness, infrared data and a compressor state, the work association degree of the above-mentioned environment participating in the air conditioner is relatively large, and the work effect and the work efficiency of the air conditioner can be affected, therefore, when the air conditioner works, each sensor in the detecting unit 140 needs to detect and obtain a corresponding environment parameter, so that the first control unit 130 controls the air conditioner to work according to the cache parameter and the operation data.
In one embodiment, a household appliance is provided, which comprises the household appliance control device in the above embodiments, and the operation of the household appliance is controlled by the household appliance control device, for example, the operation of the household appliance is controlled by a first control unit of the household appliance control device according to the operation data of the first storage unit or the second storage unit.
For example, the household appliance is an air conditioner, a television, a refrigerator, a washing machine, a water heater, a water purifier, an air purifier, an electric heater, a humidifier, a clothes dryer, an electric kettle, an electric fan or a kitchen appliance, for example, the kitchen appliance includes an induction cooker, a range hood, a gas stove, a disinfection cabinet, an electric rice cooker or an electric pressure cooker.
In one embodiment, there is provided a home appliance control system, comprising a server, and a home appliance comprising the above embodiments; the server is used for being connected with the communication module and sending operation data to the communication module.
In one embodiment, a server is provided and is used for being connected with a communication module of a household appliance and sending operation data to the communication module of the household appliance.
Specifically, this server passes through the network and is connected with this domestic appliance's communication module, send the operating data to this communication module, for example, this operating data is control logic, the operating data that the server sent to communication module, make this domestic appliance's control logic can obtain the update, in this embodiment, when operating data has the logic error, or current operating data and domestic appliance's operational environment mismatch, the server sends operating data to domestic appliance's communication module, thereby make domestic appliance can adjust or change control logic in real time, and need not to carry out whole change to domestic appliance's mainboard, also need not to dismantle domestic appliance, make domestic appliance's maintenance more convenient.
For example, the server stores a plurality of or a plurality of types of operation data, different operation data correspond to different environment parameters, for example, different operation data correspond to environment parameters in different ranges, and in each embodiment, the operation data correspond to the environment parameters, that is, the operation data match the environment parameters.
In one embodiment, the server is configured to receive the version information of the environment parameter and the running data sent by the communication module, determine whether the version information of the environment parameter and the running data matches, and if not, send the running data matching the environment parameter to the communication module.
Specifically, in this embodiment, the server determines whether the version information of the environment parameter and the running data is matched to determine whether the home appliance is adapted to the working environment where the home appliance is located, if the version information of the environment parameter and the running data is not matched, the home appliance is not adapted to the working environment where the home appliance is located, and the server acquires the running data matched with the environment parameter according to the environment parameter sent by the communication module of the home appliance and sends the running data to the communication module, so that the home appliance can work with the running data adapted to the current working environment.
The following is a specific embodiment, as shown in fig. 4, in this embodiment, household appliance is an air conditioner, the air conditioner includes an inner unit, an outer unit, a mainboard and a WIFI module, the mainboard is connected with the WIF module, the inner unit includes a fan, an electric heater, a four-way valve and the like, the outer unit includes a compressor and the like, the mainboard is provided with a control chip, a ROM and an EEPROM, and is connected with a plurality of sensors, the sensors include a temperature sensor, a humidity sensor, a light sensor, infrared receiving data and a compressor state detector, the WIFI module is connected with the inner unit and the outer unit, and the outer unit includes a compressor.
In this embodiment, the operation modules of the air conditioner are as follows:
(1) the operation mode of the main board is as follows: under this mode, the WIFI module only has control function, can control the mode of work of interior machine, but functional logic is run alone by the mainboard, promptly: the mainboard collects data such as temperature, humidity, brightness and infrared data through a temperature sensor, a humidity sensor, a light sensor and an infrared receiver, collects a compressed working state and then controls the operation of the air conditioner according to the functional logic of programs in the ROM.
(2) The WIFI module corrects an internal machine operation parameter mode: after the air conditioner leaves the factory, the codes in the main board ROM cannot be adjusted, but the data in the EEPROM can be adjusted. Therefore, after the WIFI module is connected with the Internet of things cloud data server, the collected data are sent to the server, the server monitors the running state of the air conditioner remotely, the functional logic of the EEPROM is not matched with the actual environment in the actual use process, or when the functional logic in the main board ROM is mistaken, the server sends the functional logic needing to be adjusted to the internal machine main board through the command WIFI module and writes the functional logic into the EEPROM of the internal machine, and the running is recovered after the starting. The main board can control the air conditioner according to the updated function logic so as to adapt to the current environment.
(3) The WIFI module takes over the operation of the mainboard: the WIFI module is used for enabling the mainboard to enter a peripheral load open state through a serial port command, the WIFI module downloads the latest mainboard function logic on the server according to the ID of the mainboard, the mainboard transmits the collected sensor data to the WIFI module through a serial port communication mode, and the WIFI module analyzes and controls the running state of the air conditioner according to the collected data. The operation mode solves the defect that the control program of the internal machine of the household appliance cannot be changed after leaving the factory, and can correct the wrong functional logic or the improper functional logic of the main board. For example: the EEPROM of the external unit compressor of the inverter air conditioner stores the information of the operation data of the compressor, and after the air conditioner leaves a factory, due to different environments (high temperature, high humidity and ultra-low temperature heating) of a use place, the data in the external unit EEROM of the air conditioner needs to be changed for achieving the stable and efficient operation of the air conditioner.
According to one embodiment, after the WIFI intelligent air conditioner is powered on, the WIFI module is configured to the wireless router to access the internet, and communication with the server is achieved. At this moment, the WIFI module can send the data (mode, indoor temperature, outdoor temperature, humidity, etc.) during operation to the server, the server carries out data analysis and judges whether the current compressor operation control mode meets the service environment of the air conditioner, for example, the air conditioner that is the netherlands in the export place is sold to the middle east, the operation logic of the compressor of the air conditioner will not accord with the default logic thereof, cause the increase of the work load of the compressor, and make the user experience worse, the functional logic that is suitable for the operation control of the compressor of the middle east is sent to the WIFI module through the server at this moment, the cache is in the external memory of the WIFI module, the WIFI module judges the integrality and the correctness of the data through the galley proof modes such as MD5 (can inform the server to retransmit the data under the check. Then the WIFI module informs the mainboard that data in the compressor control chip of the external unit needs to be changed through the serial port, the mainboard starts a transparent transmission mode, the WIFI module transmits functional logic to an EEPROM of the mainboard in a transparent transmission mode through the serial port, the EEPROM of the mainboard writes new functional logic received from the serial port into an upgrading area, after the programming is completed, whether all data information is complete and reliable is verified through an MD5 verification mode, and if an error occurs, the external unit feeds back to the WIFI module to be sent again. After all, the compressor will operate according to the latest functional logic.
In one embodiment, the method for the WIFI module to operate in the functional mode matched with the main board of the household appliance is as follows:
(1) under the mainboard operating mode, the WIFI module only has control function, can control states such as interior machine mode, but main functional logic is by mainboard alone operation. The mainboard collects peripheral parameters such as temperature sensor, humidity sensor, optical sensor, infrared receiving data, compressor and the like, and then performs mode operation control according to the functional logic of the program in the ROM. For the variable frequency air conditioner, a large amount of algorithm data and direct current fan operation data are stored in an external EEPROM of a mainboard chip and are fixed when the air conditioner leaves a factory. All peripheral devices are executed around the control commands of the motherboard.
(2) And the WIFI module participates in the mode of correcting the operation parameters of the internal machine. After the household appliance leaves a factory, codes in the main board ROM can not be adjusted generally, but data in the main board external EEPROM can be adjusted, so that the mode has the advantage that how to adjust parameters in the EEPROM is realized under the condition that the parameters of the EEPROM are not matched with the actual environment in the actual use process. After the WIFI module is connected with the Internet of things cloud data server, the data server remotely monitors the operating parameters of the air conditioner, when abnormal conditions occur, the server sends data to be adjusted to an internal machine mainboard through a command WIFI module, the data are burnt into an EEPROM of the internal machine, and the operation is recovered after the data are restarted.
(3) And the WIFI module takes over the operation of the mainboard. WIFI passes through the serial ports order, and the mainboard gets into peripheral load open state, and the WIFI module downloads up-to-date mainboard function logic on the server through the ID of mainboard, and the mainboard transmits the sensor data information (temperature, humidity etc.) of gathering for the WIFI module through serial ports communication mode, and the WIFI module is according to the running state of data analysis and control domestic appliance of gathering. The function solves the defect that the control program of the internal machine of the household appliance cannot be changed after leaving the factory, and can correct the wrong functional logic or the improper functional logic of the main board. For example: the EEPROM of the outdoor unit compressor of the inverter air conditioner stores the information of the operation data of the compressor, and after the air conditioner leaves a factory, due to the difference of the use place and the environment (high temperature and high humidity and ultralow temperature heating), the data in the EEROM of the outdoor unit of the air conditioner may need to be changed for achieving the stable and more efficient operation of the air conditioner.
One embodiment is that after the WIFI intelligent air conditioner is powered on, the communication between the WIFI module and the remote server can be realized as long as the WIFI module is configured to the wireless router and can be connected with the internet. At this moment, the WIFI module transmits the data (mode, indoor temperature, outdoor temperature, humidity and the like) during operation to the server, the server analyzes and judges whether the current compressor operation control mode meets the use environment of the air conditioner, for example, the air conditioner in the netherlands is sold to the middle east in the export place, the challenge is received during the operation of the compressor of the air conditioner, the data suitable for the operation control of the compressor in the middle east are sent to the WIFI module through the server and cached in an external memory of the WIFI module, and the WIFI module judges the integrity and correctness of the data in a small sample mode such as MD5 (the server is informed to retransmit the data under the condition of verification failure). Then the WIFI module informs the inner unit of the need of changing data in the compressor control chip of the outer unit through the serial port, the inner unit actively starts a transparent transmission mode, the WIFI module transmits compressor control information to a main control chip of the outer unit in a serial port transparent transmission mode, the main control chip of the outer unit simultaneously writes received new serial port data into an upgrading area in a burning mode, after the burning is completed, whether all data information is complete and reliable is verified in an MD5 verification mode, and if errors occur, the outer unit feeds back the data to the WIFI module for resending. After all, the compressor will operate according to the latest parameters. And meanwhile, the server monitors the running state in real time.
It should be noted that, in the above system embodiment, each included module is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
In addition, it can be understood by those skilled in the art that all or part of the steps in the method for implementing the embodiments described above may be implemented by instructing the relevant hardware through a program, and the corresponding program may be stored in a readable storage medium.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as the combinations of the technical features are not inconsistent.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A household appliance control device, characterized by comprising:
the control module comprises a first control unit, a first storage unit and a second storage unit, wherein the first storage unit stores operation data used for controlling the operation of the household appliance, the first storage unit is a read-only storage unit, and the second storage unit is an erasable storage unit;
the communication module is connected with the control module and used for receiving operation data and writing the operation data into the second storage unit;
the first control unit is used for controlling the household appliance to work according to the operation data in the second storage unit when the operation data exist in the second storage unit, and controlling the household appliance to work according to the operation data in the first storage unit when the operation data do not exist in the second storage unit;
further, when the operation data in the first storage unit is not abnormal, the first control unit controls the household appliance to work according to the operation data in the first storage unit;
when the operation data in the first storage unit is abnormal or the operation data in the first storage unit is not matched with the first environment parameters corresponding to the household appliances, the communication module downloads the operation data corrected with the logic error or the operation data matched with the first environment parameters corresponding to the household appliances from the server and stores the operation data corrected with the logic error or the operation data matched with the first environment parameters corresponding to the household appliances in the second storage unit;
the communication module is further configured to send a second environment parameter corresponding to the home appliance and the operation data in the second storage unit to the server, download the operation data matched with the second environment parameter from the server when the server determines that the second environment parameter is not matched with the operation data in the second storage unit, and store the operation data matched with the second environment parameter in the second storage unit;
the communication module further comprises a second control unit, and the second control unit is used for controlling the household appliance to work according to the operation data downloaded from the server.
2. The household appliance control device according to claim 1, wherein the control module further comprises a detection unit, and the detection unit is used for detecting the operating environment of the household appliance and acquiring environmental parameters;
the communication module is used for receiving the environmental parameters sent by the detection unit and sending the environmental parameters and the version information of the running data in the second storage unit.
3. The home appliance control device according to claim 2, wherein the detection unit includes one or more of a temperature sensor, a humidity sensor, a light sensor, infrared reception data, and a compressor state detector.
4. The home appliance control device according to claim 1, wherein the communication module includes a third storage unit for temporarily storing the downloaded operation data and transmitting the temporarily stored operation data to the second storage unit.
5. The home appliance control device according to claim 1, wherein the communication module is a wireless communication module.
6. A household appliance characterized by comprising a household appliance control device as claimed in any one of claims 1 to 5.
7. The household appliance according to claim 6, wherein the household appliance is an air conditioner, a television, a refrigerator, a washing machine, a water heater, a water purifier, an air purifier, an electric heater, a humidifier, a clothes dryer, an electric kettle, an electric fan or a kitchen appliance.
8. A household appliance control system, characterized by comprising a server, and comprising a household appliance according to claim 6 or 7; the server is used for being connected with the communication module and sending operation data to the communication module.
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| CN111623476B (en) * | 2020-04-27 | 2022-05-17 | 海信（山东）空调有限公司 | Data updating method and device in outdoor EEPROM of air conditioner and storage medium |
| CN112731840B (en) * | 2020-12-25 | 2021-12-24 | 珠海格力电器股份有限公司 | Parameter adjusting method and device of electronic equipment and processor |
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