CN111623476A - Data updating method and device in outdoor EEPROM of air conditioner and storage medium - Google Patents
Data updating method and device in outdoor EEPROM of air conditioner and storage medium Download PDFInfo
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- CN111623476A CN111623476A CN202010348142.2A CN202010348142A CN111623476A CN 111623476 A CN111623476 A CN 111623476A CN 202010348142 A CN202010348142 A CN 202010348142A CN 111623476 A CN111623476 A CN 111623476A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
- F24F11/526—Indication arrangements, e.g. displays giving audible indications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The invention discloses a data updating method, a device and a storage medium in an outdoor EEPROM of an air conditioner, comprising the following steps: judging whether the wire controller enters a rewritable state or not; wherein, the wire controller is connected with a control panel of an indoor unit of the air conditioner; when the wire controller enters a rewritable state, acquiring outdoor EEPROM data through the wire controller; when the outdoor EEPROM data is obtained, an updating request instruction is sent to an outdoor unit of the air conditioner; when an updating response instruction returned by the outdoor unit is received, the outdoor EEPROM data is sent to the outdoor unit according to the preset communication rate, so that the outdoor unit checks the outdoor EEPROM data after receiving the outdoor EEPROM data, updates the data in the outdoor EEPROM chip according to the outdoor EEPROM data after the outdoor EEPROM data is checked correctly, and returns corresponding updating result information to the indoor unit. By adopting the technical scheme of the invention, the data in the outdoor EEPROM chip can be remotely updated, and the updating operation is simple, the safety is higher and the updating efficiency is higher.
Description
Technical Field
The invention relates to the technical field of air conditioner data updating, in particular to a data updating method and device in an outdoor EEPROM of an air conditioner and a computer readable storage medium.
Background
The outdoor control panel of the air conditioner is generally provided with a data storage chip EEPROM, and various data of the operation of the air conditioner, such as the highest operation frequency, the lowest operation frequency, protection parameters, motor parameters and the like of a compressor, are stored in the outdoor EEPROM chip.
After the air conditioner is installed, sometimes data in an outdoor EEPROM chip of the air conditioner needs to be changed due to various factors such as product upgrading, quality improvement, special customization and the like, but most outdoor units of the split air conditioners are installed in an outdoor environment and are higher in distance from the ground, an electric box of the outdoor unit is directly opened to change the data in the outdoor EEPROM chip, so that the operation is difficult, the potential safety hazard is higher, and the efficiency is lower.
Disclosure of Invention
The technical problem to be solved by the embodiments of the present invention is to provide a method and an apparatus for updating data in an outdoor EEPROM of an air conditioner, and a computer-readable storage medium, which can remotely update data in an outdoor EEPROM chip, and are simple in updating operation, high in security, and high in updating efficiency.
In order to solve the above technical problem, an embodiment of the present invention provides a data updating method in an outdoor EEPROM of an air conditioner, including:
judging whether the wire controller enters a rewritable state or not; the wire controller is connected with a control panel of an indoor unit of the air conditioner;
when the wire controller enters a rewritable state, acquiring outdoor EEPROM data through the wire controller;
when the outdoor EEPROM data is obtained, sending an updating request instruction to an outdoor unit of the air conditioner;
when an updating response instruction returned by the outdoor unit is received, the outdoor EEPROM data is sent to the outdoor unit according to a preset communication rate, so that the outdoor unit verifies the outdoor EEPROM data after receiving the outdoor EEPROM data, updates the data in an outdoor EEPROM chip according to the outdoor EEPROM data after the outdoor unit verifies the data, and returns corresponding updating result information to the indoor unit.
Further, when the line controller enters a rewritable state, acquiring outdoor EEPROM data through the line controller specifically includes:
when the line controller enters a rewritable state, judging whether the line controller receives the outdoor EEPROM data sent by the remote controller within a first preset time period; wherein the outdoor EEPROM data is pre-stored in the remote controller;
if not, controlling the wire controller to exit the rewritable state;
if yes, acquiring the outdoor EEPROM data through the line controller; and the outdoor EEPROM data is sent to the indoor unit by the line controller.
Furthermore, the outdoor EEPROM data comprises a plurality of EEPROM data packets, data length information and data check information; then, the outdoor unit verifies the outdoor EEPROM data through the following steps:
acquiring the corresponding data byte quantity according to all the received EEPROM data packets;
comparing the number of data bytes to the data length information;
when the number of the data bytes is consistent with the data length information, performing accumulation calculation according to the received data corresponding to all the EEPROM data packets, and correspondingly obtaining a checksum;
comparing the checksum with the data verification information;
when the check sum is consistent with the data check information, judging that the outdoor EEPROM data check is correct;
and when the check sum is inconsistent with the data check information, judging that the outdoor EEPROM data check is wrong.
Further, the outdoor unit updates the data in the outdoor EEPROM chip according to the outdoor EEPROM data through the following steps, and returns corresponding update result information to the indoor unit:
writing the received data corresponding to all the EEPROM data packets into the outdoor EEPROM chip;
reading corresponding EEPROM data from the outdoor EEPROM chip;
comparing the data corresponding to all the written outdoor EEPROM data packets with the read EEPROM data;
when the written data corresponding to all the outdoor EEPROM data packets are consistent with the read EEPROM data, returning updating success information to the indoor unit;
and when the written data corresponding to all the outdoor EEPROM data packets is inconsistent with the read EEPROM data, returning update failure information to the indoor unit.
Further, the method further comprises:
and when receiving the updating result information returned by the outdoor unit, controlling a buzzer in the indoor unit to send out corresponding reminding information according to the updating result information.
Further, the method further comprises:
when receiving the updating result information returned by the outdoor unit, judging whether the updating is successful according to the updating result information;
if the updating is successful, controlling a buzzer in the indoor unit to send out first reminding information;
and if the updating fails, controlling a buzzer in the indoor unit to send out second reminding information, and sending the updating request instruction to the outdoor unit so as to perform corresponding updating processing on the data in the outdoor EEPROM chip.
Further, the method further comprises:
when the updating is judged to fail for N times continuously, stopping updating the data in the outdoor EEPROM chip; wherein N > 2.
In order to solve the above technical problem, an embodiment of the present invention further provides a data updating apparatus in an outdoor EEPROM of an air conditioner, including:
the rewriting state judgment module is used for judging whether the wire controller enters a rewriting state or not; the wire controller is connected with a control panel of an indoor unit of the air conditioner;
the updating data acquisition module is used for acquiring outdoor EEPROM data through the wire controller when the wire controller enters a rewritable state;
the updating request sending module is used for sending an updating request instruction to an outdoor unit of the air conditioner when the outdoor EEPROM data is obtained;
and the updating data sending module is used for sending the outdoor EEPROM data to the outdoor unit according to a preset communication rate when an updating response instruction returned by the outdoor unit is received, so that the outdoor unit checks the outdoor EEPROM data after receiving the outdoor EEPROM data, updates the data in the outdoor EEPROM chip according to the outdoor EEPROM data after the outdoor unit checks the data correctly, and returns corresponding updating result information to the indoor unit.
An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program; when the computer program runs, the device where the computer readable storage medium is located is controlled to execute any one of the above data updating methods in the air conditioner outdoor EEPROM.
The embodiment of the invention also provides a data updating device in the outdoor EEPROM of the air conditioner, which comprises a processor, a memory and a computer program which is stored in the memory and configured to be executed by the processor, wherein the processor realizes the data updating method in the outdoor EEPROM of the air conditioner when executing the computer program.
Compared with the prior art, the embodiment of the invention provides a data updating method and device in an outdoor EEPROM of an air conditioner and a computer readable storage medium, which judges whether a wire controller enters a rewritable state or not; the wire controller is connected with a control panel of an indoor unit of the air conditioner; when the wire controller enters a rewritable state, acquiring outdoor EEPROM data through the wire controller; when the outdoor EEPROM data is obtained, sending an updating request instruction to an outdoor unit of the air conditioner; when an update response instruction returned by the outdoor unit is received, the outdoor EEPROM data is sent to the outdoor unit according to a preset communication rate, so that the outdoor unit verifies the outdoor EEPROM data after receiving the outdoor EEPROM data, updates the data in the outdoor EEPROM chip according to the outdoor EEPROM data after the outdoor unit verifies the data, and returns corresponding update result information to the indoor unit, thereby remotely updating the data in the outdoor EEPROM chip, and the update operation is simple, the safety is higher, and the update efficiency is higher.
Drawings
Fig. 1 is a flowchart illustrating a method for updating data in an outdoor EEPROM of an air conditioner according to a preferred embodiment of the present invention;
fig. 2 is a block diagram illustrating a preferred embodiment of a data updating apparatus in an outdoor EEPROM of an air conditioner according to the present invention;
fig. 3 is a block diagram of another preferred embodiment of a data updating apparatus in an outdoor EEPROM of an air conditioner according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.
It should be noted that, at present, most indoor units and outdoor units of split air conditioners generally include a CPU chip and an EEPROM chip, the indoor units and the outdoor units transmit data information to each other through a certain communication mode, and a control board of the indoor unit is connected with a wire controller interface for connecting the wire controller, the wire controller and the indoor units transmit data information to each other through a certain communication mode, and the wire controller can be used to receive remote control data sent by the remote controller in a single direction.
An embodiment of the present invention provides a method for updating data in an outdoor EEPROM of an air conditioner, which is a flowchart of a preferred embodiment of the method for updating data in the outdoor EEPROM of the air conditioner provided by the present invention, as shown in fig. 1, and the method includes steps S11 to S14:
step S11, judging whether the wire controller enters a rewritable state; the wire controller is connected with a control panel of an indoor unit of the air conditioner;
step S12, when the wire controller enters a rewritable state, the wire controller acquires outdoor EEPROM data;
step S13, when the outdoor EEPROM data is obtained, an updating request instruction is sent to an outdoor unit of the air conditioner;
and step S14, when an update response instruction returned by the outdoor unit is received, sending the outdoor EEPROM data to the outdoor unit according to a preset communication rate, so that the outdoor unit checks the outdoor EEPROM data after receiving the outdoor EEPROM data, updates the data in the outdoor EEPROM chip according to the outdoor EEPROM data after the outdoor unit checks the data correctly, and returns corresponding update result information to the indoor unit.
Specifically, the wire controller is connected to a control panel of an indoor unit of the air conditioner, the default working state of the wire controller is a normal working state, normal communication data transmission is performed between the wire controller and the indoor unit in the normal working state, and outdoor EEPROM data transmission can be performed between the wire controller and the indoor unit only when the working state of the wire controller enters a rewritable state, so that when data in an outdoor EEPROM chip needs to be updated, whether the wire controller enters the rewritable state is judged first, if the wire controller enters the rewritable state is judged, the indoor unit correspondingly acquires the outdoor EEPROM data through the wire controller, and after the indoor unit acquires the corresponding outdoor EEPROM data, a corresponding update request instruction is sent to the outdoor unit; after receiving an update request instruction sent by the indoor unit, the outdoor unit informs the indoor unit of allowing to update data in the outdoor EEPROM chip, namely, returns a corresponding update response instruction to the indoor unit; after the indoor unit receives an update response instruction returned by the outdoor unit, sending outdoor EEPROM data obtained by the indoor unit to the outdoor unit according to a preset communication rate; after the outdoor unit receives all outdoor EEPROM data sent by the indoor unit, checking all the received outdoor EEPROM data to judge whether the received outdoor EEPROM data is correct or not, after judging that the received outdoor EEPROM data is correct, correspondingly updating the data stored in the outdoor EEPROM chip according to all the received outdoor EEPROM data which are correct in check, and returning corresponding updating result information to the indoor unit according to an updating result; correspondingly, the indoor unit can judge whether the data in the outdoor EEPROM chip is updated successfully according to the updating result information returned by the outdoor unit.
It should be noted that the operating state of the line controller can be set according to its own parameters, and different operating states correspond to different own parameters, for example, when the own parameter is 0, the operating state of the line controller is a normal operating state, at this time, normal communication data transmission is performed between the line controller and the indoor unit, when the own parameter is 1, the operating state of the line controller is a rewritable state, and at this time, outdoor EEPROM data transmission is performed between the line controller and the indoor unit, so that the operating state of the line controller can be set by modifying the own parameter of the line controller.
The embodiment of the invention provides a data updating method in an outdoor EEPROM of an air conditioner, when a wire controller enters a rewritable state, an indoor unit acquires outdoor EEPROM data through the wire controller and sends an updating request instruction to an outdoor unit of the air conditioner, when an updating response instruction returned by the outdoor unit is received, the outdoor EEPROM data is sent to the outdoor unit according to a preset communication rate, so that the outdoor unit checks the outdoor EEPROM data after receiving the outdoor EEPROM data, updates the data in the outdoor EEPROM chip according to the outdoor EEPROM data after the outdoor EEPROM data is checked correctly, and returns corresponding updating result information to the indoor unit, thereby being capable of remotely updating the data in the outdoor EEPROM chip of the air conditioner, being simple in updating operation and high in safety, and simultaneously, the outdoor unit can return corresponding updating result information to the indoor unit so that the indoor unit can timely judge whether the data in the outdoor EEPROM chip is successfully updated, thereby improving the update efficiency.
In another preferred embodiment, when the line controller enters a rewritable state, acquiring outdoor EEPROM data by the line controller specifically includes:
when the line controller enters a rewritable state, judging whether the line controller receives the outdoor EEPROM data sent by the remote controller within a first preset time period; wherein the outdoor EEPROM data is pre-stored in the remote controller;
if not, controlling the wire controller to exit the rewritable state;
if yes, acquiring the outdoor EEPROM data through the line controller; and the outdoor EEPROM data is sent to the indoor unit by the line controller.
Specifically, with reference to the above embodiment, the outdoor EEPROM data required for updating the outdoor EEPROM chip has been written in advance into the dedicated remote controller, and the remote controller can send the written outdoor EEPROM data to the line controller by the remote control sending function, and then send the outdoor EEPROM data to the indoor unit by the line controller, so when it is determined that the line controller has entered the rewritable state, it is further determined whether the line controller receives the outdoor EEPROM data sent by the remote controller within the first preset time period, and if not, the line controller exits the rewritable state, and is restored to the normal operating state, and exchanges normal communication data with the indoor unit; if yes, the control wire controller receives the obtained outdoor EEPROM data through the special remote controller and sends the outdoor EEPROM data to the indoor unit, and the indoor unit obtains the corresponding outdoor EEPROM data through the wire controller.
It can be understood that after the wire controller sends all the received outdoor EEPROM data to the indoor unit, the wire controller and the indoor unit do not need to interact with each other with the outdoor EEPROM data, and therefore, the working state of the wire controller is restored to a normal working state, and normal communication data transmission is performed with the indoor unit.
It should be noted that the embodiment of the present invention is also applicable to updating data in an indoor EEPROM chip, and accordingly, when the remote controller sends EEPROM data to the line controller, the sent EEPROM data may be indicated as indoor EEPROM data or outdoor EEPROM data.
In another preferred embodiment, the outdoor EEPROM data includes several EEPROM data packets, data length information, and data verification information; then, the outdoor unit verifies the outdoor EEPROM data through the following steps:
acquiring the corresponding data byte quantity according to all the received EEPROM data packets;
comparing the number of data bytes to the data length information;
when the number of the data bytes is consistent with the data length information, performing accumulation calculation according to the received data corresponding to all the EEPROM data packets, and correspondingly obtaining a checksum;
comparing the checksum with the data verification information;
when the check sum is consistent with the data check information, judging that the outdoor EEPROM data check is correct;
and when the check sum is inconsistent with the data check information, judging that the outdoor EEPROM data check is wrong.
Specifically, with reference to the above embodiment, the outdoor EEPROM data sent by the indoor unit to the outdoor unit includes a plurality of EEPROM data packets, data length information, and data verification information; when the outdoor unit receives all outdoor EEPROM data sent by the indoor unit, acquiring the number of data bytes corresponding to all EEPROM data packets according to the received outdoor EEPROM data, comparing the acquired number of data bytes with data length information in the outdoor EEPROM data, when the number of data bytes is consistent with the data length information, performing accumulation calculation according to the data corresponding to all the received EEPROM data packets, correspondingly acquiring a checksum, comparing the checksum acquired by calculation with the data verification information in the outdoor EEPROM data, and if the checksum is consistent with the data verification information, judging that the outdoor EEPROM data received by the outdoor unit is correctly verified; and if the check sum is inconsistent with the data check information, judging that the outdoor EEPROM data received by the outdoor unit is checked wrongly.
In another preferred embodiment, the outdoor unit updates the data in the outdoor EEPROM chip according to the outdoor EEPROM data, and returns corresponding update result information to the indoor unit by:
writing the received data corresponding to all the EEPROM data packets into the outdoor EEPROM chip;
reading corresponding EEPROM data from the outdoor EEPROM chip;
comparing the data corresponding to all the written outdoor EEPROM data packets with the read EEPROM data;
when the written data corresponding to all the outdoor EEPROM data packets are consistent with the read EEPROM data, returning updating success information to the indoor unit;
and when the written data corresponding to all the outdoor EEPROM data packets is inconsistent with the read EEPROM data, returning update failure information to the indoor unit.
Specifically, with reference to the above embodiment, after the outdoor unit determines that the received outdoor EEPROM data is correctly verified, the outdoor EEPROM data corresponding to the received outdoor EEPROM data packet which is correctly verified is written into the outdoor EEPROM chip, the corresponding EEPROM data is read from the outdoor EEPROM chip, the written outdoor EEPROM data is compared with the read EEPROM data, and when the written outdoor EEPROM data is identical to the read EEPROM data, it indicates that the data in the outdoor EEPROM chip is successfully updated, the outdoor unit returns an update success message to the indoor unit; and when the written outdoor EEPROM data is inconsistent with the read EEPROM data, indicating that the data in the outdoor EEPROM chip is unsuccessfully updated, and returning update failure information to the indoor unit by the outdoor unit.
In yet another preferred embodiment, the method further comprises:
and when receiving the updating result information returned by the outdoor unit, controlling a buzzer in the indoor unit to send out corresponding reminding information according to the updating result information.
Specifically, with reference to the above embodiment, after the outdoor unit updates the data in the outdoor EEPROM chip, the outdoor unit returns corresponding update result information to the indoor unit according to the update result, and accordingly, when the indoor unit receives the update result information returned by the outdoor unit, the indoor unit may control the buzzer in the indoor unit to send corresponding reminding information according to the update result information, and then, whether the data in the outdoor EEPROM chip is successfully updated may be determined according to the reminding information sent by the buzzer.
In yet another preferred embodiment, the method further comprises:
when receiving the updating result information returned by the outdoor unit, judging whether the updating is successful according to the updating result information;
if the updating is successful, controlling a buzzer in the indoor unit to send out first reminding information;
and if the updating fails, controlling a buzzer in the indoor unit to send out second reminding information, and sending the updating request instruction to the outdoor unit so as to perform corresponding updating processing on the data in the outdoor EEPROM chip.
Specifically, with reference to the above embodiment, when the indoor unit receives the update result information returned by the outdoor unit, it may be determined whether the data in the outdoor EEPROM chip is successfully updated according to the update result information, and if it is determined that the data is successfully updated, the buzzer in the indoor unit is controlled to send out corresponding first prompting information; and if the update is determined to be failed, controlling a buzzer in the indoor unit to send corresponding second reminding information, and sending a corresponding update request instruction to the outdoor unit again by the indoor unit so as to perform corresponding update processing on the data in the outdoor EEPROM chip, wherein the subsequent update processing process is the same as that in the embodiment, and is not repeated here.
For example, if the updating is judged to be successful, a buzzer in the indoor unit is controlled to sound; and if the updating is judged to be failed, controlling a buzzer in the indoor unit to sound for two times.
It can be understood that if the update is determined to be successful, normal communication can be resumed between the indoor unit and the outdoor unit, that is, normal communication data transmission is performed between the indoor unit and the outdoor unit, and if the update is determined to be successful, the indoor unit repeatedly sends the outdoor EEPROM data to the outdoor unit so as to update the data in the outdoor EEPROM chip again.
In yet another preferred embodiment, the method further comprises:
when the updating is judged to fail for N times continuously, stopping updating the data in the outdoor EEPROM chip; wherein N > 2.
Specifically, with reference to the foregoing embodiment, when the indoor unit determines that the update processing on the data in the outdoor EEPROM chip has failed for N consecutive times (N >2, for example, N is 3), the indoor unit does not continue to perform the update processing on the data in the outdoor EEPROM chip; it can be understood that the air conditioner continues to operate according to the related data parameters before updating, and normal communication between the indoor unit and the outdoor unit is resumed, that is, normal communication data transmission is performed between the indoor unit and the outdoor unit.
The embodiment of the present invention further provides a data updating apparatus in an air conditioner outdoor EEPROM, which is capable of implementing all processes of the data updating method in the air conditioner outdoor EEPROM described in any of the above embodiments, and the functions and implemented technical effects of each module and unit in the apparatus are respectively the same as those of the data updating method in the air conditioner outdoor EEPROM described in the above embodiments, and are not described herein again.
Referring to fig. 2, it is a block diagram of a preferred embodiment of a data updating apparatus in an outdoor EEPROM of an air conditioner, which is provided in an indoor unit of the air conditioner, and includes:
a rewriting state judgment module 11, configured to judge whether the line controller enters a rewritable state; the wire controller is connected with a control panel of an indoor unit of the air conditioner;
an update data acquisition module 12, configured to acquire outdoor EEPROM data through the line controller when the line controller enters a rewritable state;
an update request sending module 13, configured to send an update request instruction to an outdoor unit of an air conditioner when the outdoor EEPROM data is obtained;
and the update data sending module 14 is configured to send the outdoor EEPROM data to the outdoor unit according to a preset communication rate when an update response instruction returned by the outdoor unit is received, so that the outdoor unit checks the outdoor EEPROM data after receiving the outdoor EEPROM data, updates data in an outdoor EEPROM chip according to the outdoor EEPROM data after checking is correct, and returns corresponding update result information to the indoor unit.
Preferably, the update data obtaining module 12 specifically includes:
the time judging unit is used for judging whether the line controller receives the outdoor EEPROM data sent by the remote controller within a first preset time period when the line controller enters a rewritable state; wherein the outdoor EEPROM data is pre-stored in the remote controller;
the rewriting state exit unit is used for controlling the wire controller to exit the rewriting state if the wire controller does not exit the rewriting state;
the updating data acquisition unit is used for acquiring the outdoor EEPROM data through the wire controller if the outdoor EEPROM data is in the same state as the outdoor EEPROM data; and the outdoor EEPROM data is sent to the indoor unit by the line controller.
Preferably, the outdoor EEPROM data includes a plurality of EEPROM data packets, data length information, and data verification information; then, the outdoor unit verifies the outdoor EEPROM data through the following steps:
acquiring the corresponding data byte quantity according to all the received EEPROM data packets;
comparing the number of data bytes to the data length information;
when the number of the data bytes is consistent with the data length information, performing accumulation calculation according to the received data corresponding to all the EEPROM data packets, and correspondingly obtaining a checksum;
comparing the checksum with the data verification information;
when the check sum is consistent with the data check information, judging that the outdoor EEPROM data check is correct;
and when the check sum is inconsistent with the data check information, judging that the outdoor EEPROM data check is wrong.
Preferably, the outdoor unit updates data in the outdoor EEPROM chip according to the outdoor EEPROM data, and returns corresponding update result information to the indoor unit by:
writing the received data corresponding to all the EEPROM data packets into the outdoor EEPROM chip;
reading corresponding EEPROM data from the outdoor EEPROM chip;
comparing the data corresponding to all the written outdoor EEPROM data packets with the read EEPROM data;
when the written data corresponding to all the outdoor EEPROM data packets are consistent with the read EEPROM data, returning updating success information to the indoor unit;
and when the written data corresponding to all the outdoor EEPROM data packets is inconsistent with the read EEPROM data, returning update failure information to the indoor unit.
Preferably, the apparatus further comprises:
and the updating reminding module is used for controlling a buzzer in the indoor unit to send out corresponding reminding information according to the updating result information when the updating result information returned by the outdoor unit is received.
Preferably, the apparatus further comprises:
the updating result judging module is used for judging whether the updating is successful or not according to the updating result information when the updating result information returned by the outdoor unit is received;
the first updating result processing module is used for controlling a buzzer in the indoor unit to send out first reminding information if the updating is successful;
and the second updating result processing module is used for controlling a buzzer in the indoor unit to send out second reminding information if the updating fails, and sending the updating request instruction to the outdoor unit so as to perform corresponding updating processing on the data in the outdoor EEPROM chip.
Preferably, the apparatus further comprises:
the abnormal processing module is used for stopping updating the data in the outdoor EEPROM chip when the updating is judged to fail for N times continuously; wherein N > 2.
An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program; when the computer program runs, the device where the computer readable storage medium is located is controlled to execute the data updating method in the air conditioner outdoor EEPROM according to any of the above embodiments.
An embodiment of the present invention further provides a data updating apparatus in an outdoor EEPROM of an air conditioner, as shown in fig. 3, which is a block diagram of another preferred embodiment of the data updating apparatus in the outdoor EEPROM of the air conditioner, the apparatus is disposed in an indoor unit of the air conditioner, the apparatus includes a processor 10, a memory 20, and a computer program stored in the memory 20 and configured to be executed by the processor 10, and the processor 10, when executing the computer program, implements the data updating method in the outdoor EEPROM of the air conditioner according to any of the embodiments.
Preferably, the computer program can be divided into one or more modules/units (e.g. computer program 1, computer program 2,) which are stored in the memory 20 and executed by the processor 10 to accomplish the present invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution of the computer program in the apparatus.
The Processor 10 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, etc., the general purpose Processor may be a microprocessor, or the Processor 10 may be any conventional Processor, the Processor 10 is a control center of the apparatus, and various interfaces and lines are used to connect various parts of the apparatus.
The memory 20 mainly includes a program storage area that may store an operating system, an application program required for at least one function, and the like, and a data storage area that may store related data and the like. In addition, the memory 20 may be a high speed random access memory, may also be a non-volatile memory, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash Card (Flash Card), and the like, or the memory 20 may also be other volatile solid state memory devices.
It should be noted that the above-mentioned apparatus may include, but is not limited to, a processor and a memory, and those skilled in the art will understand that the structural block diagram in fig. 3 is only an example of the above-mentioned apparatus, and does not constitute a limitation of the apparatus, and may include more or less components than those shown, or combine some components, or different components.
To sum up, the embodiment of the invention provides a method, a device and a computer readable storage medium for updating data in an outdoor EEPROM of an air conditioner, wherein when a wire controller enters a rewritable state, an indoor unit acquires outdoor EEPROM data through the wire controller and sends an update request command to an outdoor unit of the air conditioner, and when an update response command returned by the outdoor unit is received, the outdoor EEPROM data is sent to the outdoor unit according to a preset communication rate, so that the outdoor unit verifies the outdoor EEPROM data after receiving the outdoor EEPROM data, updates the data in an outdoor EEPROM chip according to the outdoor EEPROM data after the outdoor EEPROM data is verified correctly, and returns corresponding update result information to the indoor unit, thereby remotely updating the data in the outdoor EEPROM chip of the air conditioner, and the update operation is simple and the security is high, and meanwhile, the outdoor unit returns corresponding update result information to the indoor unit, the indoor unit can timely judge whether the data in the outdoor EEPROM chip is successfully updated, so that the updating efficiency is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A data updating method in an outdoor EEPROM of an air conditioner is characterized by comprising the following steps:
judging whether the wire controller enters a rewritable state or not; the wire controller is connected with a control panel of an indoor unit of the air conditioner;
when the wire controller enters a rewritable state, acquiring outdoor EEPROM data through the wire controller;
when the outdoor EEPROM data is obtained, sending an updating request instruction to an outdoor unit of the air conditioner;
when an updating response instruction returned by the outdoor unit is received, the outdoor EEPROM data is sent to the outdoor unit according to a preset communication rate, so that the outdoor unit verifies the outdoor EEPROM data after receiving the outdoor EEPROM data, updates the data in an outdoor EEPROM chip according to the outdoor EEPROM data after the outdoor unit verifies the data, and returns corresponding updating result information to the indoor unit.
2. The method as claimed in claim 1, wherein the step of obtaining the outdoor EEPROM data through the line controller when the line controller enters the rewritable state comprises:
when the line controller enters a rewritable state, judging whether the line controller receives the outdoor EEPROM data sent by the remote controller within a first preset time period; wherein the outdoor EEPROM data is pre-stored in the remote controller;
if not, controlling the wire controller to exit the rewritable state;
if yes, acquiring the outdoor EEPROM data through the line controller; and the outdoor EEPROM data is sent to the indoor unit by the line controller.
3. The method as claimed in claim 1, wherein the outdoor EEPROM data includes a plurality of EEPROM data packets, data length information, and data verification information; then, the outdoor unit verifies the outdoor EEPROM data through the following steps:
acquiring the corresponding data byte quantity according to all the received EEPROM data packets;
comparing the number of data bytes to the data length information;
when the number of the data bytes is consistent with the data length information, performing accumulation calculation according to the received data corresponding to all the EEPROM data packets, and correspondingly obtaining a checksum;
comparing the checksum with the data verification information;
when the check sum is consistent with the data check information, judging that the outdoor EEPROM data check is correct;
and when the check sum is inconsistent with the data check information, judging that the outdoor EEPROM data check is wrong.
4. The method as claimed in claim 3, wherein the outdoor unit updates the data in the outdoor EEPROM chip according to the outdoor EEPROM data by the following steps, and returns corresponding update result information to the indoor unit:
writing the received data corresponding to all the EEPROM data packets into the outdoor EEPROM chip;
reading corresponding EEPROM data from the outdoor EEPROM chip;
comparing the data corresponding to all the written outdoor EEPROM data packets with the read EEPROM data;
when the written data corresponding to all the outdoor EEPROM data packets are consistent with the read EEPROM data, returning updating success information to the indoor unit;
and when the written data corresponding to all the outdoor EEPROM data packets is inconsistent with the read EEPROM data, returning update failure information to the indoor unit.
5. The method for updating data in the outdoor EEPROM of the air conditioner as claimed in any one of claims 1 to 4, wherein the method further comprises:
and when receiving the updating result information returned by the outdoor unit, controlling a buzzer in the indoor unit to send out corresponding reminding information according to the updating result information.
6. The method for updating data in the outdoor EEPROM of the air conditioner as claimed in any one of claims 1 to 4, wherein the method further comprises:
when receiving the updating result information returned by the outdoor unit, judging whether the updating is successful according to the updating result information;
if the updating is successful, controlling a buzzer in the indoor unit to send out first reminding information;
and if the updating fails, controlling a buzzer in the indoor unit to send out second reminding information, and sending the updating request instruction to the outdoor unit so as to perform corresponding updating processing on the data in the outdoor EEPROM chip.
7. The method for updating data in an outdoor EEPROM of an air conditioner as claimed in claim 6, wherein the method further comprises:
when the updating is judged to fail for N times continuously, stopping updating the data in the outdoor EEPROM chip; wherein N > 2.
8. A data updating device in an outdoor EEPROM of an air conditioner is characterized by comprising:
the rewriting state judgment module is used for judging whether the wire controller enters a rewriting state or not; the wire controller is connected with a control panel of an indoor unit of the air conditioner;
the updating data acquisition module is used for acquiring outdoor EEPROM data through the wire controller when the wire controller enters a rewritable state;
the updating request sending module is used for sending an updating request instruction to an outdoor unit of the air conditioner when the outdoor EEPROM data is obtained;
and the updating data sending module is used for sending the outdoor EEPROM data to the outdoor unit according to a preset communication rate when an updating response instruction returned by the outdoor unit is received, so that the outdoor unit checks the outdoor EEPROM data after receiving the outdoor EEPROM data, updates the data in the outdoor EEPROM chip according to the outdoor EEPROM data after the outdoor unit checks the data correctly, and returns corresponding updating result information to the indoor unit.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a stored computer program; wherein the computer program controls the device where the computer readable storage medium is located to execute the data updating method in the air conditioner outdoor EEPROM as claimed in any one of claims 1 to 7 when running.
10. A data updating device in an outdoor EEPROM of an air conditioner, comprising a processor, a memory and a computer program stored in the memory and configured to be executed by the processor, wherein the processor, when executing the computer program, implements the data updating method in the outdoor EEPROM of the air conditioner according to any one of claims 1 to 7.
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| CN113203192A (en) * | 2021-05-07 | 2021-08-03 | 海信（山东）空调有限公司 | Method for updating outdoor unit operation data, air conditioner and computer storage medium |
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