CN117109132A - Central air conditioning system - Google Patents
Central air conditioning system Download PDFInfo
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- CN117109132A CN117109132A CN202310881764.5A CN202310881764A CN117109132A CN 117109132 A CN117109132 A CN 117109132A CN 202310881764 A CN202310881764 A CN 202310881764A CN 117109132 A CN117109132 A CN 117109132A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 122
- 238000012217 deletion Methods 0.000 claims description 4
- 230000037430 deletion Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 16
- 239000003507 refrigerant Substances 0.000 description 11
- 238000004891 communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- F24F11/58—Remote control using Internet communication
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- Engineering & Computer Science (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application discloses a central air conditioning system, comprising: the cloud server; the centralized control gateway is used for communicating with the cloud server and downloading the upgrade package from the cloud server; an upgrading instruction is sent to the air conditioning equipment which is not upgraded, an upgrading result returned by the air conditioning equipment is received, and a main device is appointed in the air conditioning equipment which is successfully upgraded; and the air conditioning equipment downloads an upgrade package from the centralized control gateway or the main equipment to upgrade after receiving the upgrade command sent by the centralized control gateway, and sends an upgrade result to the centralized control gateway. Because the air conditioning equipment which is successfully upgraded can be designated as the main equipment, the centralized control gateway and the main equipment can be utilized to upgrade the air conditioning equipment which is not upgraded, so that the distributed upgrade is realized, and the centralized control gateway is not required to upgrade each air conditioning equipment one by one, thereby improving the upgrade speed, saving the upgrade time, being capable of rapidly responding to the control instruction of the cloud server and improving the user experience.
Description
Technical Field
The application relates to the technical field of air conditioners, in particular to a central air conditioning system.
Background
At present, the intelligent development of commercial air conditioning systems is in progress, so that the user has more and more demands for realizing the remote control of the commercial central air conditioning system through a cloud server, and meanwhile, the remote upgrading requirement for the commercial air conditioning system is stronger and stronger. When a commercial air conditioning system has problems, if remote upgrading cannot be realized, only a manual upgrading method can be adopted, and a large amount of manpower and material resources are wasted.
Because the commercial central air conditioning system is limited by the requirements of cost and communication reliability, the current commercial central air conditioning system is still connected in a serial port wired twisted pair mode, and then is connected to a centralized control gateway, and the centralized control gateway is communicated with a cloud, so that the remote upgrading of the current commercial central air conditioning system is also realized by adopting the centralized control gateway. Namely, the centralized control gateway downloads the OTA upgrade package to the local, and then the centralized control gateway upgrades the indoor and outdoor units of the commercial air conditioner one by one, but the method has two major defects as follows:
defect one: the upgrading speed is low, and because the serial twisted pair transmission rate is low, the indoor and outdoor units of each commercial air conditioning system need a long time to download the upgrading packet, and the situation that the downloading fails and repeated downloading is needed easily occurs.
Defect two: because the centralized control gateway needs to upgrade each indoor unit and each outdoor unit one by one, the centralized control gateway can not receive control instructions issued by the cloud for a long time, and the use experience of users is affected.
Disclosure of Invention
The application provides a central air conditioning system, which solves the technical problem of low upgrading speed in the prior art.
In order to achieve the above purpose, the application adopts the following technical scheme:
the present application provides a central air conditioning system, comprising:
the cloud server;
the centralized control gateway is used for communicating with the cloud server and downloading an upgrade package from the cloud server; an upgrading instruction is sent to the air conditioning equipment which is not upgraded, an upgrading result returned by the air conditioning equipment is received, and a main device is appointed in the air conditioning equipment which is successfully upgraded;
and the air conditioning equipment downloads an upgrade package from the centralized control gateway or the main equipment to upgrade after receiving the upgrade command sent by the centralized control gateway, and sends an upgrade result to the centralized control gateway.
In some embodiments of the present application, the air conditioning apparatus includes an outdoor unit and an indoor unit;
after downloading the upgrade package from the cloud server, the centralized control gateway firstly sends an upgrade instruction to the outdoor unit which is not upgraded, receives an upgrade result returned by the outdoor unit, designates the outdoor unit which is successfully upgraded as main equipment, and then sends the upgrade instruction to the indoor unit which is not upgraded; receiving an upgrading result returned by the indoor unit, and designating a main device in the indoor unit which is successfully upgraded;
the outdoor unit downloads an upgrade package from the centralized control gateway for upgrading after receiving an upgrade command sent by the centralized control gateway, and sends an upgrade result to the centralized control gateway;
and the indoor unit downloads an upgrade package from the main equipment to upgrade after receiving the upgrade command sent by the centralized control gateway, and sends an upgrade result to the centralized control gateway.
In some embodiments of the present application, the upgrade instruction sent to the outdoor unit includes a target outdoor unit address number and a centralized control gateway address number;
the outdoor unit is further configured to parse the received upgrade instruction to obtain a target outdoor unit address number and a centralized control gateway address number, compare the obtained target outdoor unit address number with the own address number, and if the obtained target outdoor unit address number is the same as the own address number, download an upgrade package from a centralized control gateway corresponding to the obtained centralized control gateway address number, and upgrade the upgrade package.
In some embodiments of the present application, the upgrade instruction sent to the indoor unit includes a target indoor unit address number and a main device address number;
the indoor unit is further configured to parse the received upgrade instruction to obtain an address number of the target indoor unit and an address number of the main device, compare the obtained address number of the target indoor unit with the address number of the indoor unit, and if the obtained address number of the target indoor unit is the same as the address number of the indoor unit, download the upgrade package from the main device corresponding to the obtained address number of the main device, and upgrade the upgrade package.
In some embodiments of the present application, the air conditioner deletes the downloaded upgrade package when the upgrade is successful and is not designated as the master device.
In some embodiments of the present application, the centralized control gateway is further configured to: after detecting that all the air conditioning equipment returns an upgrading result, sending a deleting instruction to the air conditioning equipment;
the air conditioning apparatus is further configured to: and deleting the downloaded upgrade package after receiving the deletion instruction.
In some embodiments of the present application, the centralized control gateway is further configured to: and re-sending an upgrade instruction to the air conditioner equipment with failed upgrade, and sending an alarm prompt when receiving the result of re-failed upgrade.
In some embodiments of the present application, the central air conditioning system further includes a user terminal, where the user terminal communicates with the cloud server;
and the cloud server sends an upgrading result to the user terminal.
In some embodiments of the present application, when the user terminal receives a result of failed upgrade, the air conditioning equipment that fails upgrade is manually upgraded according to the user operation.
In some embodiments of the present application, the centralized control gateway includes:
the downloading module is used for communicating with the cloud server and downloading an upgrade package from the cloud server;
and the upgrade strategy management module is used for sending an upgrade instruction to the air conditioner which is not upgraded, receiving an upgrade result returned by the air conditioner, and designating a main device in the air conditioner which is successfully upgraded.
Compared with the prior art, the technical scheme of the application has the following technical effects: according to the central air conditioning system, the centralized control gateway is designed to be used for communicating with the cloud server, and the upgrade package is downloaded from the cloud server; an upgrading instruction is sent to the air conditioning equipment which is not upgraded, an upgrading result returned by the air conditioning equipment is received, and a main device is appointed in the air conditioning equipment which is successfully upgraded; after receiving an upgrade command sent by the centralized control gateway, the air conditioning equipment downloads an upgrade package from the centralized control gateway or the main equipment for upgrading and sends an upgrade result to the centralized control gateway; because the air conditioning equipment which is successfully upgraded can be designated as the main equipment, the centralized control gateway and the main equipment can be utilized to upgrade the air conditioning equipment which is not upgraded, so that the distributed upgrade is realized, and the centralized control gateway is not required to upgrade each air conditioning equipment one by one, thereby improving the upgrade speed, saving the upgrade time, being capable of rapidly responding to the control instruction of the cloud server and improving the user experience.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a central air conditioning system according to an embodiment of the present application;
FIG. 2 is a schematic block diagram of an embodiment of a central air conditioning system according to the present application;
FIG. 3 is a schematic block diagram of a further embodiment of a central air conditioning system according to the present application;
FIG. 4 is a schematic block diagram of a further embodiment of a central air conditioning system according to the present application;
FIG. 5 is a schematic diagram of a central air conditioning system according to yet another embodiment of the present application;
FIG. 6 is a flow chart of an embodiment of a central air conditioning system upgrade process of the present application;
FIG. 7 is a flow chart of a central air conditioning system upgrade process according to yet another embodiment of the present application;
FIG. 8 is a flowchart of an embodiment of an upgrade process of an outdoor unit;
FIG. 9 is a flow chart of one embodiment of an upgrade process for an indoor unit;
fig. 10 is a flowchart of an upgrade process of the central air conditioning system according to another embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
In the description of the present application, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless otherwise specifically defined and limited. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art. In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second" or the like may include one or more such features, either explicitly or implicitly. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
The central air conditioning system can be called as 'one-to-many', wherein 'one' refers to one outdoor unit, and 'many' refers to a plurality of indoor units, the outdoor units adopt an air cooling heat exchange mode, and the indoor units realize indoor refrigeration in an evaporation heat exchange mode.
The air conditioning system performs a refrigeration cycle and a heating cycle of the air conditioning system by using a compressor, a condenser, an expansion valve, and an evaporator, and performs control by a controller, realizing flow direction control of a refrigerant, opening degree control of the expansion valve, and the like. The refrigeration cycle and the heating cycle include a series of processes involving compression, condensation, expansion, and evaporation, and supply a refrigerant to the air that has been conditioned and heat exchanged.
The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.
The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator may achieve a cooling effect by exchanging heat with a material to be cooled using latent heat of evaporation of a refrigerant. Throughout the cycle, the air conditioning system may adjust the temperature of the indoor space.
The air conditioning system outdoor unit refers to a portion of the refrigeration cycle including a compressor and an outdoor heat exchanger, the air conditioning system indoor unit includes an indoor heat exchanger, and an expansion valve may be provided in the air conditioning system outdoor unit or the indoor unit.
The indoor heat exchanger and the outdoor heat exchanger function as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioning system is used as a heater for a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioning system is used as a cooler for a cooling mode.
The central air conditioning system of the embodiment includes a cloud server, a centralized control gateway, an air conditioning device, and the like, as shown in fig. 1 and fig. 2.
The air conditioning apparatus includes an outdoor unit and a plurality of indoor units, as shown in fig. 3.
Therefore, the central air conditioning system of the embodiment includes a cloud server, a centralized control gateway, an outdoor unit, and a plurality of indoor units.
The indoor units are arranged in a plurality of parallel.
And an outdoor unit connected to each indoor unit.
The centralized control gateway is used for communicating with the cloud server and receiving the instruction sent by the cloud server. And the centralized control gateway is connected with the outdoor unit and the indoor unit through data lines respectively to realize data interaction.
The cloud server is provided with an upgrade package. And the function of downloading OTA upgrade packages and the function of synchronizing upgrade state information are provided.
The centralized control gateway is used for communicating with the cloud server and downloading the upgrade package from the cloud server; and sending an upgrading instruction to the air conditioner which is not upgraded, receiving an upgrading result returned by the air conditioner, and designating the main equipment in the air conditioner which is successfully upgraded. The centralized control gateway is responsible for realizing network communication with the remote cloud server and can download the OTA upgrade package.
And the air conditioning equipment downloads an upgrade package from the centralized control gateway or the main equipment to upgrade after receiving the upgrade command sent by the centralized control gateway, and sends an upgrade result to the centralized control gateway.
The upgrading process of the central air conditioning system of the embodiment mainly includes the following steps, which are shown in fig. 6.
Step S11: and the centralized control gateway sends an upgrading instruction to the air conditioning equipment which is not upgraded.
Step S12: after receiving the upgrade command sent by the centralized control gateway, the air conditioning equipment downloads an upgrade package from the centralized control gateway or the main equipment, upgrades the upgrade package, and sends an upgrade result to the centralized control gateway.
Step S13: and the centralized control gateway receives an upgrading result returned by the air conditioning equipment and designates the main equipment in the air conditioning equipment which is successfully upgraded. And then returns to step S11.
In the central air conditioning system of the embodiment, the centralized control gateway is designed to be used for communicating with the cloud server, and the upgrade package is downloaded from the cloud server; an upgrading instruction is sent to the air conditioning equipment which is not upgraded, an upgrading result returned by the air conditioning equipment is received, and a main device is appointed in the air conditioning equipment which is successfully upgraded; after receiving an upgrade command sent by the centralized control gateway, the air conditioning equipment downloads an upgrade package from the centralized control gateway or the main equipment for upgrading and sends an upgrade result to the centralized control gateway; because the air conditioning equipment which is successfully upgraded can be designated as the main equipment, the centralized control gateway and the main equipment can be utilized to upgrade the air conditioning equipment which is not upgraded, so that the distributed upgrade is realized, and the centralized control gateway is not required to upgrade each air conditioning equipment one by one, thereby improving the upgrade speed, saving the upgrade time, being capable of rapidly responding to the control instruction of the cloud server and improving the user experience.
The central air conditioning system adopts a distributed OTA upgrading method, and solves the problems that the remote OTA upgrading speed of the existing central air conditioning system is low, cloud control cannot be received in the long-time upgrading process, and the like.
In some embodiments of the present application, an air conditioning apparatus includes an outdoor unit and an indoor unit.
After downloading the upgrade package from the cloud server, the centralized control gateway firstly sends an upgrade instruction to the outdoor unit which is not upgraded, receives an upgrade result returned by the outdoor unit, designates the outdoor unit which is successfully upgraded as main equipment, and then sends the upgrade instruction to the indoor unit which is not upgraded; and receiving an upgrading result returned by the indoor unit, and designating the main equipment in the indoor unit with successful upgrading.
And the outdoor unit downloads an upgrade package from the centralized control gateway for upgrading after receiving the upgrade command sent by the centralized control gateway and sends an upgrade result to the centralized control gateway.
And the indoor unit downloads an upgrade package from the main equipment to upgrade after receiving the upgrade command sent by the centralized control gateway and sends an upgrade result to the centralized control gateway.
The upgrade process includes the following steps, see fig. 7.
Step S21: and after downloading the upgrade package from the cloud server, the centralized control gateway sends an upgrade instruction to the outdoor unit which is not upgraded.
Step S22: after receiving the upgrade command sent by the centralized control gateway, the outdoor unit downloads an upgrade package from the centralized control gateway for upgrading and sends an upgrade result to the centralized control gateway.
Step S23: and the centralized control gateway receives an upgrading result returned by the outdoor unit and designates the successfully upgraded outdoor unit as main equipment.
Step S24: and the centralized control gateway sends an upgrading instruction to the indoor units which are not upgraded.
Step S25: after receiving the upgrade command sent by the centralized control gateway, the indoor unit downloads an upgrade package from the main equipment to upgrade and sends an upgrade result to the centralized control gateway.
Step S26: and the centralized control gateway receives an upgrading result returned by the indoor unit and designates the main equipment in the indoor unit with successful upgrading. And then returns to step S24.
Firstly, the outdoor unit is upgraded, the indoor unit is designated as a main device after the outdoor unit is successfully upgraded, then the indoor unit which is not upgraded downloads an upgrade package from the main device, and the indoor unit after the indoor unit is successfully upgraded is designated as the main device and can be upgraded for other indoor units.
And the indoor units which are not upgraded are upgraded by the outdoor units and the indoor units which are successfully upgraded, so that the upgrading speed is improved, and the upgrading time is shortened.
Each outdoor unit and each indoor unit are provided with respective address codes, and the address codes are unique and can uniquely identify each outdoor unit and each indoor unit.
In some embodiments of the present application, in order to ensure the accuracy of the outdoor unit upgrade, the upgrade instruction sent by the centralized control gateway to the outdoor unit includes the target outdoor unit address number and the centralized control gateway address number.
The outdoor unit is also used for analyzing the received upgrade instruction to obtain the address number of the target outdoor unit and the address number of the centralized control gateway, and comparing the obtained address number of the target outdoor unit with the address number of the outdoor unit. If the outdoor unit is the same, the outdoor unit is required to be upgraded, and an upgrade package is downloaded from the centralized control gateway corresponding to the obtained centralized control gateway address number for upgrading.
The process of upgrading the outdoor unit specifically includes the following steps, as shown in fig. 8.
Step S31: and the outdoor unit analyzes the received upgrade instruction to obtain the address number of the target outdoor unit and the address number of the centralized control gateway.
Step S32: and comparing whether the obtained target outdoor unit address number is the same as the self address number.
If the outdoor unit is the same, the step S33 is executed if the outdoor unit is required to be updated: the outdoor unit establishes communication connection with the centralized control gateway corresponding to the obtained centralized control gateway address number, and downloads an upgrade package from the centralized control gateway for upgrading.
If not, then step S34 is performed: the outdoor unit is not updated.
Therefore, if the obtained target outdoor unit address number is not the same as the own address number, the outdoor unit is not upgraded. Only if the obtained target outdoor unit address number is the same as the self address number, the outdoor unit is upgraded, and the upgrading accuracy of the outdoor unit is ensured.
In some embodiments of the present application, in order to ensure the accuracy of indoor unit upgrade, an upgrade instruction sent by the centralized control gateway to the indoor unit includes a target indoor unit address number and a main device address number.
The indoor unit is further used for analyzing the received upgrade instruction to obtain a target indoor unit address number and a main equipment address number, comparing the obtained target indoor unit address number with the self address number, and if the target indoor unit address number and the self address number are the same, indicating that the indoor unit needs to be upgraded, downloading an upgrade package from main equipment corresponding to the obtained main equipment address number for upgrading.
The upgrading process of the indoor unit specifically includes the following steps, which are shown in fig. 9.
Step S41: and the indoor unit analyzes the received upgrading instruction to obtain the address number of the target indoor unit and the address number of the main equipment.
Step S42: and comparing whether the obtained target indoor unit address number is the same as the self address number.
If the indoor unit is the same, the step S43 is executed if the indoor unit needs to be updated: the indoor unit establishes communication connection with a main device corresponding to the obtained main device address number, and downloads an upgrade package from the main device to upgrade.
If not, then step S44 is performed: the indoor unit is not upgraded.
Therefore, if the obtained target indoor unit address number is not the same as the own address number, the indoor unit is not upgraded. Only if the obtained target indoor unit address number is the same as the self address number, the indoor unit is upgraded, and the upgrading accuracy of the indoor unit is ensured.
The main equipment may be an outdoor unit which is successfully upgraded, or an indoor unit which is successfully upgraded.
In some embodiments of the present application, when the air conditioning equipment is successfully upgraded and is not designated as the main equipment, the upgrade package downloaded by the air conditioning equipment is deleted, and the upgrade package is deleted in time, so that the storage space can be prevented from being excessively occupied, and the running speed of the air conditioning equipment is ensured.
After the air conditioner equipment is successfully upgraded, inquiring whether the air conditioner equipment is designated as a main equipment, deleting an upgrade package when the air conditioner equipment is not designated as the main equipment, and reserving the upgrade package when the air conditioner equipment is designated as the main equipment for OTA (over the air) upgrade for other equipment.
In still other embodiments of the present application, the centralized control gateway is further configured to: and after detecting that all the air conditioning equipment returns an upgrading result, sending a deleting instruction to each air conditioning equipment.
The air conditioning apparatus is also for: and deleting the downloaded upgrade package after receiving the deletion instruction.
After all the air conditioning equipment returns an upgrading result, deleting the downloaded upgrading packet, so that the problem that the indoor unit which is not upgraded as the main equipment cannot be upgraded due to early deletion is avoided.
In some embodiments of the present application, in order to improve the success rate of the upgrade, the centralized control gateway is further configured to resend the upgrade instruction to the air conditioning equipment that fails in the upgrade, and when receiving the result that fails again in the upgrade, send an alarm prompt to prompt the user to check.
If the air conditioning equipment fails to be upgraded again, an upgrading result is sent to the centralized control gateway, and after the centralized control gateway receives the upgrading result which fails again, an alarm prompt is sent to prompt a user to check.
In some embodiments of the present application, the central air conditioning system further includes a user terminal, and the user terminal communicates with the cloud server, as shown in fig. 4 and fig. 5. The cloud server sends the upgrading result to the user terminal, so that the user can conveniently acquire the upgrading result, and the use experience of the user is improved. The user terminal can access the cloud server to conduct remote monitoring.
And the user terminal is provided with an APP, and the user accesses the cloud server through the APP to check upgrading results, running states of all the devices and the like.
In some embodiments of the present application, in order to improve the success rate of the upgrade, when the user terminal receives the result of the upgrade failure, the upgrade failure air-conditioning apparatus is manually upgraded according to the user operation.
In some embodiments of the present application, in order to facilitate smooth implementation of each function of the centralized control gateway, the centralized control gateway includes a download module and an upgrade policy management module, which are shown in fig. 4 and 5. The downloading module is connected with the upgrading strategy management module.
And the downloading module is used for communicating with the cloud server and downloading the upgrade package from the cloud server. The downloading module is mainly responsible for receiving an OTA upgrading instruction of the cloud server and downloading a designated OTA upgrading packet from the cloud server.
And the upgrade strategy management module is used for sending an upgrade instruction to the air conditioner which is not upgraded, receiving an upgrade result returned by the air conditioner, and designating a main device in the air conditioner which is successfully upgraded.
The upgrade policy management module has two main functions:
firstly, a nearest indoor unit or outdoor unit (generally, the outdoor unit with the smallest address number) is searched, and then is notified to perform OTA upgrading.
And secondly, after the outdoor unit replies that the OTA upgrade is successful, the outdoor unit is designated as OTA main equipment, so that the OTA main equipment can provide OTA service for other indoor units or the outdoor unit. And meanwhile, the other outdoor unit or indoor unit is appointed to download an OTA upgrade package from the main equipment for upgrading.
The indoor unit and the outdoor unit are respectively provided with an upgrading module, and the upgrading module mainly has two functions:
firstly, after receiving an OTA upgrading command of the centralized control gateway, downloading a corresponding OTA upgrading packet from the centralized control gateway to upgrade.
And secondly, after the upgrading is successful, inquiring whether the centralized control gateway designates the centralized control gateway as an OTA main device, and if so, providing OTA service for the corresponding indoor unit or outdoor unit. If the OTA upgrade package is not designated as the OTA master device, deleting the downloaded OTA upgrade package.
The central air conditioning system of the embodiment provides a novel technical scheme for remotely upgrading the distributed OTA of the commercial central air conditioning system, so that the distributed OTA of the commercial central air conditioning system can be upgraded without upgrading each indoor and outdoor machine one by a centralized control gateway, the rapid OTA upgrading of all air conditioning equipment in a short time can be realized, and meanwhile, the stability of the OTA upgrading is enhanced.
In the central air conditioning system of the embodiment, a new distributed OTA technical architecture of the commercial central air conditioning system is designed, so that indoor and outdoor units of the commercial central air conditioning system can realize distributed OTA remote upgrading, that is, each indoor and outdoor unit does not need to rely on a centralized control gateway to realize upgrading, and the distributed OTA upgrading can be realized, that is, after a certain outdoor unit or indoor unit is successfully upgraded, the centralized control gateway can assign the indoor unit or the outdoor unit which is not yet successfully upgraded to provide the OTA function for other indoor units or outdoor units, and the centralized OTA realized by the centralized control gateway in the past is changed into the distributed OTA, so that the whole remote upgrading speed of the commercial air conditioning system is greatly improved.
The central air conditioning system of the embodiment has a distributed OTA upgrading function, and can quickly realize OTA upgrading of the whole central air conditioning system by adopting a new OTA upgrading scheme without upgrading the whole air conditioning system one by a centralized control gateway, so that upgrading time can be saved, and new cloud control instructions and the like can be responded quickly.
The distributed OTA upgrading procedure of the central air conditioning system of the present application is described in detail below with reference to the flowchart, and is shown in fig. 10.
S51: and the centralized control gateway receives an indoor unit or outdoor unit upgrading command sent by the cloud server, and then downloads a corresponding OTA upgrading packet.
S52: and the centralized control gateway determines the first equipment for carrying out OTA upgrading according to the information of all the outdoor units and indoor units of the air conditioning system searched previously, and sends an upgrading command to the first equipment for carrying out OTA upgrading to inform the first equipment for carrying out OTA upgrading.
S53: the first OTA equipment downloads an OTA upgrade package from the centralized control gateway.
S54: and after the first OTA equipment is successfully upgraded, notifying the centralized control gateway that the upgrading is successful.
S55: and the centralized control gateway sends information to the first OTA equipment according to the upgrading result of the first OTA equipment and informs the first OTA equipment of being designated as the OTA master equipment.
S56: and the centralized control gateway determines the second OTA equipment according to the indoor and outdoor unit information which is not updated at present, and sends information to the second OTA equipment, and designates the second OTA equipment as OTA slave equipment.
S57: and after the second OTA equipment serving as the slave equipment receives the upgrading command sent by the centralized control gateway, actively establishing communication connection with the first OTA equipment.
S58: and after the second OTA equipment is confirmed to be connected with the first OTA equipment, the second OTA equipment acquires a corresponding OTA upgrade packet from the first OTA equipment to upgrade.
S59: and after the second OTA equipment is successfully upgraded, notifying the centralized control gateway that the upgrade is successful.
In step S55, after the first OTA device is successfully upgraded, the centralized control gateway determines a new first OTA device from the remaining devices that have not been upgraded, sends an upgrade command to the new first OTA device, and then performs S63 to S69.
S63: the first OTA equipment downloads an OTA upgrade package from the centralized control gateway.
S64: and after the first OTA equipment is successfully upgraded, notifying the centralized control gateway that the upgrading is successful.
S65: and the centralized control gateway sends information to the first OTA equipment according to the upgrading result of the first OTA equipment and informs the first OTA equipment of being designated as the OTA master equipment.
S66: and the centralized control gateway determines the second OTA equipment according to the indoor and outdoor unit information which is not updated at present, and sends information to the second OTA equipment, and designates the second OTA equipment as OTA slave equipment.
S67: and after the second OTA equipment serving as the slave equipment receives the upgrading command sent by the centralized control gateway, actively establishing communication connection with the first OTA equipment.
S68: and after the second OTA equipment is confirmed to be connected with the first OTA equipment, the second OTA equipment acquires a corresponding OTA upgrade packet from the first OTA equipment to upgrade.
S69: and after the second OTA equipment is successfully upgraded, notifying the centralized control gateway that the upgrade is successful.
Therefore, distributed rapid OTA upgrading can be realized, the centralized control gateway is not required to upgrade each device one by one, different devices can be mutually upgraded, and the upgrading efficiency of the central air-conditioning system is greatly improved.
In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (10)
1. A central air conditioning system, comprising:
the cloud server;
the centralized control gateway is used for communicating with the cloud server and downloading an upgrade package from the cloud server; an upgrading instruction is sent to the air conditioning equipment which is not upgraded, an upgrading result returned by the air conditioning equipment is received, and a main device is appointed in the air conditioning equipment which is successfully upgraded;
and the air conditioning equipment downloads an upgrade package from the centralized control gateway or the main equipment to upgrade after receiving the upgrade command sent by the centralized control gateway, and sends an upgrade result to the centralized control gateway.
2. The central air conditioning system according to claim 1, wherein: the air conditioning equipment comprises an outdoor unit and an indoor unit;
after downloading the upgrade package from the cloud server, the centralized control gateway firstly sends an upgrade instruction to the outdoor unit which is not upgraded, receives an upgrade result returned by the outdoor unit, designates the outdoor unit which is successfully upgraded as main equipment, and then sends the upgrade instruction to the indoor unit which is not upgraded; receiving an upgrading result returned by the indoor unit, and designating a main device in the indoor unit which is successfully upgraded;
the outdoor unit downloads an upgrade package from the centralized control gateway for upgrading after receiving an upgrade command sent by the centralized control gateway, and sends an upgrade result to the centralized control gateway;
and the indoor unit downloads an upgrade package from the main equipment to upgrade after receiving the upgrade command sent by the centralized control gateway, and sends an upgrade result to the centralized control gateway.
3. The central air conditioning system according to claim 2, wherein: the upgrade instruction sent to the outdoor unit comprises a target outdoor unit address number and a centralized control gateway address number;
the outdoor unit is further configured to parse the received upgrade instruction to obtain a target outdoor unit address number and a centralized control gateway address number, compare the obtained target outdoor unit address number with the own address number, and if the obtained target outdoor unit address number is the same as the own address number, download an upgrade package from a centralized control gateway corresponding to the obtained centralized control gateway address number, and upgrade the upgrade package.
4. The central air conditioning system according to claim 2, wherein: the upgrade instruction sent to the indoor unit comprises the address number of the target indoor unit and the address number of the main equipment;
the indoor unit is further configured to parse the received upgrade instruction to obtain an address number of the target indoor unit and an address number of the main device, compare the obtained address number of the target indoor unit with the address number of the indoor unit, and if the obtained address number of the target indoor unit is the same as the address number of the indoor unit, download the upgrade package from the main device corresponding to the obtained address number of the main device, and upgrade the upgrade package.
5. The central air conditioning system according to claim 1, wherein: and deleting the downloaded upgrade package when the upgrade is successful and the air conditioner is not designated as the main equipment.
6. The central air conditioning system according to claim 1, wherein:
the centralized control gateway is further configured to: after detecting that all the air conditioning equipment returns an upgrading result, sending a deleting instruction to the air conditioning equipment;
the air conditioning apparatus is further configured to: and deleting the downloaded upgrade package after receiving the deletion instruction.
7. The central air conditioning system according to claim 1, wherein:
the centralized control gateway is further configured to: and re-sending an upgrade instruction to the air conditioner equipment with failed upgrade, and sending an alarm prompt when receiving the result of re-failed upgrade.
8. The central air conditioning system according to claim 1, wherein: the central air conditioning system further comprises a user terminal, and the user terminal is communicated with the cloud server;
and the cloud server sends an upgrading result to the user terminal.
9. The central air conditioning system according to claim 8, wherein: and when the user terminal receives the result of the upgrade failure, the air conditioning equipment which fails to be upgraded is manually upgraded according to the user operation.
10. Central air conditioning system according to any of claims 1 to 9, characterized in that:
the centralized control gateway, it includes:
the downloading module is used for communicating with the cloud server and downloading an upgrade package from the cloud server;
and the upgrade strategy management module is used for sending an upgrade instruction to the air conditioner which is not upgraded, receiving an upgrade result returned by the air conditioner, and designating a main device in the air conditioner which is successfully upgraded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310881764.5A CN117109132A (en) | 2023-07-18 | 2023-07-18 | Central air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310881764.5A CN117109132A (en) | 2023-07-18 | 2023-07-18 | Central air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117109132A true CN117109132A (en) | 2023-11-24 |
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ID=88797410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310881764.5A Pending CN117109132A (en) | 2023-07-18 | 2023-07-18 | Central air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117109132A (en) |
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2023
- 2023-07-18 CN CN202310881764.5A patent/CN117109132A/en active Pending
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