CN113535234B - Heating and ventilation cloud edge cooperative control method and system and storage medium - Google Patents
Heating and ventilation cloud edge cooperative control method and system and storage medium Download PDFInfo
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- CN113535234B CN113535234B CN202110657536.0A CN202110657536A CN113535234B CN 113535234 B CN113535234 B CN 113535234B CN 202110657536 A CN202110657536 A CN 202110657536A CN 113535234 B CN113535234 B CN 113535234B
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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Abstract
The invention relates to the field of heating and ventilation intelligent control, and discloses a heating and ventilation cloud side cooperative control method which is applied to a heating and ventilation cloud side cooperative control system and comprises a cloud server, a plurality of edge servers, a plurality of gateways and a plurality of heating and ventilation devices, wherein the method comprises the following steps: the cloud server selects a control algorithm on the edge server and adjusts parameters of the corresponding control algorithm according to preset energy-saving conditions; the gateway sends a control instruction subscription request corresponding to the heating and ventilation equipment to the edge server, and the edge server generates a control instruction by adopting a control algorithm according to the control instruction subscription request; the edge server synchronizes the control instruction to other edge servers, and the control instruction is mapped to the corresponding heating and ventilation equipment through the gateway by each edge server for storage; the heating and ventilation equipment executes the stored control instruction. The invention realizes that the control algorithm of the cloud server is sunk to the edge server, and improves the reliability of the heating, ventilating and cloud side cooperative control.
Description
Technical Field
The invention relates to the field of heating and ventilation intelligent control, in particular to a heating and ventilation cloud side cooperative control method, a heating and ventilation cloud side cooperative control system and a storage medium.
Background
In a heating and ventilation automation control system, an automatic Controller which is a key part of automation control of the system has been developed for a while, and various automatic controllers including a simple Controller, a digital Controller, and a PLC (Programmable Logic Controller) Controller have appeared, and these various automatic controllers have actively promoted the development of the heating and ventilation automation system.
In the current heating and ventilation automatic control system, the collection and transmission devices such as the heating and ventilation device terminal and the gateway generally only collect and transmit data without complex processing, the operation data of the heating and ventilation device is collected and then uploaded to the cloud by the gateways, a specific control algorithm is deployed at the cloud or a local server, and is easily influenced by factors such as environment and signal quality during automatic control, so that the control and response are uncertain and delayed, and timely and reliable response cannot be realized for scenes such as field device linkage and emergency fault processing. Conventionally, the linkage and fault processing logic is written into a PLC, or is realized by building a hardware circuit through a relay and the like. Although the timeliness and reliability of response are guaranteed, the universality is poor, and the logic cannot be dynamically adjusted according to requirements in the use process. Therefore, the problem of poor reliability in the control of the heating and ventilation equipment by the existing heating and ventilation automatic control system is solved.
Disclosure of Invention
The invention aims to solve the technical problem that the existing heating and ventilation automatic control system has poor reliability in the control of heating and ventilation equipment.
The invention provides a heating and ventilation cloud side cooperative control method, which is applied to a heating and ventilation cloud side cooperative control system and is characterized in that the heating and ventilation cloud side cooperative control system comprises a cloud server, a plurality of edge servers, a plurality of gateways and a plurality of heating and ventilation devices from top to bottom, wherein a control algorithm for the heating and ventilation devices is deployed on each edge server, and the heating and ventilation cloud side cooperative control method comprises the following steps:
the cloud server selects a control algorithm on the edge servers according to preset energy-saving conditions, and adjusts parameters of corresponding control algorithms stored in each edge server;
the gateway sends a control instruction subscription request corresponding to the heating and ventilation equipment to the edge server, and the edge server generates a control instruction by adopting the control algorithm according to the control instruction subscription request;
the edge server synchronizes the control instruction to other edge servers, and the control instruction is mapped to corresponding heating and ventilation equipment for storage through each edge server;
the heating and ventilation equipment executes the stored control instruction.
Optionally, in a first implementation manner of the first aspect of the present invention, the heating, ventilating and cloud-side cooperative control method further includes:
the gateway maps the attribute information and the fault information generated in the process of executing the control instruction by the heating and ventilation equipment to the edge server to which the heating and ventilation equipment belongs;
the edge server synchronizes the attribute information and the fault information to other edge servers for storage;
and each edge server calls a corresponding control algorithm to generate a control instruction according to the attribute information and the fault information so as to perform distributed control on the corresponding heating and ventilation equipment.
Optionally, in a second implementation manner of the first aspect of the present invention, the gateway includes node configuration and device configuration, and the mapping, by the gateway, the attribute information and the fault information generated in the process of executing the control instruction by the heating and ventilation device to the edge server includes:
the gateway receives attribute information and fault information generated in the process of executing the control instruction by the heating and ventilation equipment;
the gateway determines a port mapping link with each edge server according to the node configuration, and analyzes attribute information and fault information into port data according to the port mapping link;
and the gateway analyzes the port data into mapping information corresponding to attribute information and fault information according to the equipment configuration, and sends the mapping information to the edge server to which the mapping information belongs.
Optionally, in a third implementation manner of the first aspect of the present invention, the gateway further includes a fault configuration, and after the gateway parses, according to the device configuration, the obtained port data into mapping information corresponding to the attribute information and the fault information, the method further includes:
the gateway judges whether the heating and ventilation equipment generating the fault information is in a fault state or not according to the mapping information corresponding to the fault information;
and if the heating and ventilation equipment is in a fault state, the gateway analyzes the fault information into a fault code according to the fault configuration and sends the fault code to the edge server and the cloud server.
Optionally, in a fourth implementation manner of the first aspect of the present invention, the gateway further includes a protocol configuration, and before the analyzing the attribute information and the fault information into the port data according to the port mapping link, the method further includes:
and the gateway determines attribute information and the acquisition point position of the fault information generated in the process of executing a control instruction by the heating and ventilation equipment according to the protocol configuration, and reads the attribute information and the fault information corresponding to the acquisition point position.
Optionally, in a fifth implementation manner of the first aspect of the present invention, the mapping, by each edge server, the control instruction to the corresponding heating and ventilation device through the gateway for storage includes:
judging whether the control instruction belongs to heating and ventilation equipment controlled by the edge server of the edge server through each edge server;
if so, the edge server sends the control command to a gateway controlled by the edge server;
according to the equipment configuration in the controlled gateway, the control instruction issued by the edge server is analyzed into port data associated with the node port in the gateway through the controlled gateway, and the port data is sent to the heating and ventilation equipment corresponding to the port node for storage.
Optionally, in a sixth implementation manner of the first aspect of the present invention, the edge server includes an Mqtt server and a synchronization program, and the synchronizing the control instruction to another edge server by the edge server includes:
the affiliated edge server calls the synchronization program to forward the control instruction to an Mqtt server of the affiliated edge server;
and the affiliated edge server calls the synchronization program again, and sends the control instruction from the Mqtt server of the affiliated edge server to Mqtt servers of other edge servers through a preset VPN virtual local area network.
Optionally, in a seventh implementation manner of the first aspect of the present invention, the self-executing stored control instruction of the heating and ventilating device includes:
the heating and ventilation equipment reads the logic configuration in an enabling state from a stored control instruction and creates threads with the number of logic blocks in the logic configuration, wherein the logic blocks comprise a plurality of control conditions and a plurality of control actions;
the heating and ventilation equipment sequentially carries out logic judgment on the control conditions in the corresponding logic blocks in each thread, wherein the logic judgment comprises logic judgment in conditions and/or logic judgment among the conditions;
and if the logic judgment is passed, the heating and ventilation equipment executes the control action corresponding to the control condition.
The invention provides a heating and ventilation cloud side cooperative control system, which comprises a cloud server, a plurality of edge servers, a plurality of gateways and a plurality of heating and ventilation devices from top to bottom, wherein a control algorithm for the heating and ventilation devices is deployed on each edge server;
the cloud server is used for selecting a control algorithm on each edge server according to preset energy-saving conditions and adjusting parameters of the corresponding control algorithm stored in each edge server;
the gateway is used for sending a control instruction subscription request corresponding to the heating and ventilation equipment to the edge server, and the edge server generates a control instruction by adopting the control algorithm according to the control instruction subscription request;
the edge server is used for synchronizing the control instruction to other edge servers and mapping the control instruction to corresponding heating and ventilation equipment for storage through the gateway by each edge server; the heating and ventilation equipment executes the stored control instruction.
Optionally, in a first implementation manner of the second aspect of the present invention, the gateway is configured to map attribute information and fault information generated in a process of executing a control instruction by the heating and ventilation device to the edge server to which the gateway belongs; the edge server is used for synchronizing the attribute information and the fault information to other edge servers for storage; and the edge server is used for calling a corresponding control algorithm to generate a control instruction according to the attribute information and the fault information so as to perform distributed control on the corresponding heating and ventilation equipment.
Optionally, in a second implementation manner of the second aspect of the present invention, the gateway includes a node configuration and a device configuration, and the gateway is further configured to:
receiving attribute information and fault information generated in the process of executing a control instruction by heating and ventilation equipment;
determining a port mapping link with each edge server according to the node configuration, and analyzing attribute information and fault information into port data according to the port mapping link;
and analyzing the port data into mapping information corresponding to attribute information and fault information according to the equipment configuration, and sending the mapping information to the edge server to which the port data belongs.
Optionally, in a third implementation manner of the second aspect of the present invention, the gateway further includes a fault configuration, and the gateway is further configured to:
judging whether the heating and ventilation equipment generating the fault information is in a fault state or not according to mapping information corresponding to the fault information; and if the heating and ventilation equipment is in a fault state, analyzing the fault information into fault codes according to the fault configuration, and sending the fault codes to the edge server and the cloud server.
Optionally, in a fourth implementation manner of the second aspect of the present invention, the gateway further includes a protocol configuration, and the gateway is further configured to:
and according to the protocol configuration, determining attribute information and a fault information acquisition point position generated in the process of executing a control instruction by the heating and ventilation equipment, and reading the attribute information and the fault information corresponding to the acquisition point position.
Optionally, in a fifth implementation manner of the second aspect of the present invention, the edge server is further configured to:
respectively judging whether the control instruction belongs to heating and ventilation equipment controlled by the edge server; if yes, the control instruction is sent to a gateway controlled by the edge server of the gateway; according to the equipment configuration in the controlled gateway, the control instruction issued by the edge server is analyzed into port data associated with the node port in the gateway through the controlled gateway, and the port data is sent to the heating and ventilation equipment corresponding to the port node for storage.
Optionally, in a sixth implementation manner of the second aspect of the present invention, the edge server includes an Mqtt server and a synchronization program, and the edge server is further configured to:
calling the synchronous program to forward the control instruction to an Mqtt server of the edge server; and calling the synchronization program again, and sending the control instruction from the Mqtt server of the edge server to Mqtt servers of other edge servers through a preset VPN virtual local area network.
Optionally, in a seventh implementation manner of the second aspect of the present invention, the heating and ventilation device is configured to:
reading logic configuration in an enabling state from a stored control instruction, and creating threads of the number of logic blocks in the logic configuration, wherein the logic blocks comprise a plurality of control conditions and a plurality of control actions; sequentially carrying out logic judgment on the control conditions in the corresponding logic blocks in each thread, wherein the logic judgment comprises logic judgment in conditions and/or logic judgment among the conditions; and if the logic judgment is passed, executing the control action corresponding to the control condition.
A third aspect of the present invention provides a computer-readable storage medium having stored therein instructions that, when executed, cause it to perform the heating, ventilating, cloud-side coordination method as described above.
In the technical scheme provided by the invention, the cloud server only adjusts the parameters of the corresponding control algorithm stored in each edge server according to the preset energy-saving condition; the edge server really controls the heating and ventilation equipment, namely, a control algorithm is sunk into the edge server, and when a gateway sends a control instruction subscription request corresponding to the heating and ventilation equipment to the edge server, the edge server can directly call the corresponding control algorithm to generate a control instruction without being controlled by a cloud server; then the edge server synchronizes the control instruction to other edge servers, and the control instruction is mapped to the corresponding heating and ventilation equipment through the gateway by each edge server for storage, so that distributed monitoring of each heating and ventilation equipment by a plurality of edge servers is realized, when a single edge server fails, the control of the whole heating and ventilation equipment is not influenced, and the reliability of the heating and ventilation control is increased; finally, the heating and ventilation equipment executes the stored control instruction by self, and the stored control instruction can be directly executed even when the heating and ventilation equipment is disconnected with the edge server or restarted, so that the real-time performance and the reliability of the control of the heating and ventilation equipment are improved.
Drawings
Fig. 1 is a schematic structural diagram of a heating and ventilation cloud-side cooperative control system in an embodiment of the present invention;
fig. 2 is a schematic diagram of a first embodiment of a heating, ventilating and cloud-side cooperative control method in the embodiment of the invention;
fig. 3 is a schematic diagram of a heating, ventilating and cloud side cooperative control method in a second embodiment of the present invention;
fig. 4 is a schematic diagram of a third embodiment of the heating, ventilating and cloud side cooperative control method in the embodiment of the present invention;
fig. 5 is a schematic diagram of a fourth embodiment of the heating, ventilating and cloud-side cooperative control method in the embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a heating and ventilation cloud side cooperative control method, which comprises the steps of selecting a control algorithm on an edge server through a cloud server according to a preset energy-saving condition, and adjusting parameters of corresponding control algorithms stored in each edge server; the gateway sends a control instruction subscription request corresponding to the heating and ventilation equipment to the edge server, and the edge server generates a control instruction by adopting the control algorithm according to the control instruction subscription request; the edge server synchronizes the control instruction to other edge servers, and the control instruction is mapped to the corresponding heating and ventilation equipment through the gateway by each edge server for storage; the heating and ventilation equipment executes the stored control instruction. The invention realizes that the control algorithm of the cloud server is sunk to the edge server, and improves the reliability of the heating, ventilating and cloud side cooperative control.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises," "comprising," or "having," and any variations thereof, are intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
For convenience of understanding, referring to fig. 1, a schematic structural diagram of a heating and ventilation cloud-side cooperative control system applied to the heating and ventilation cloud-side cooperative control method in the embodiment of the present invention is described first, specifically as follows:
the cloud server 101 is configured to adjust parameters of corresponding control algorithms stored in each edge server 102 according to preset energy saving conditions;
the gateway 103 is configured to send a control instruction subscription request corresponding to the heating and ventilation device 104 to the edge server 102 to which the gateway belongs, and select a corresponding control algorithm to generate a control instruction through the edge server 102 to which the gateway belongs according to the control instruction subscription request;
the edge server 102 is configured to synchronize the control instruction to other edge servers 102, and map the control instruction to the corresponding heating and ventilation device 104 through the gateway 103 by each edge server 102 for storage; the heating and ventilating device 104 self-executes the stored control instructions.
Specifically, the heating and ventilation cloud side cooperative control system further includes:
the gateway 103 is configured to map attribute information and fault information generated in a process of executing a control instruction by the heating and ventilation device to the edge server to which the heating and ventilation device belongs;
the edge server 102 is configured to synchronize the attribute information and the fault information to other edge servers for storage;
the edge server 102 is configured to invoke a corresponding control algorithm to generate a control instruction according to the attribute information and the fault information, so as to perform distributed control on the corresponding heating and ventilation equipment.
Specifically, the gateway includes node configuration and device configuration, and the gateway 103 is further configured to:
receiving attribute information and fault information generated in the process of executing a control instruction by heating and ventilation equipment;
determining a port mapping link with each edge server according to the node configuration, and analyzing attribute information and fault information into port data according to the port mapping link;
and analyzing the port data into mapping information corresponding to attribute information and fault information according to the equipment configuration, and sending the mapping information to the edge server to which the port data belongs.
Specifically, the gateway 103 further includes a fault configuration, and the gateway 103 is further configured to:
judging whether the heating and ventilation equipment generating the fault information is in a fault state or not according to mapping information corresponding to the fault information;
and if the heating and ventilation equipment is in a fault state, analyzing the fault information into fault codes according to the fault configuration, and sending the fault codes to the edge server and the cloud server.
Specifically, the gateway 103 further includes a protocol configuration, and the gateway 103 is further configured to:
and according to the protocol configuration, determining attribute information and a fault information acquisition point position generated in the process of executing a control instruction by the heating and ventilation equipment, and reading the attribute information and the fault information corresponding to the acquisition point position.
Specifically, the edge server 102 is further configured to:
respectively judging whether the control instruction belongs to heating and ventilation equipment controlled by the edge server;
if yes, the control instruction is sent to a gateway controlled by the edge server of the gateway;
according to the equipment configuration in the controlled gateway, the control instruction issued by the edge server is analyzed into port data associated with the node port in the gateway through the controlled gateway, and the port data is sent to the heating and ventilation equipment corresponding to the port node for storage.
Specifically, the edge server 102 includes an Mqtt server and a synchronization program, and the edge server 102 is further configured to:
calling the synchronous program to forward the control instruction to an Mqtt server of the edge server;
and calling the synchronization program again, and sending the control instruction from the Mqtt server of the edge server to Mqtt servers of other edge servers through a preset VPN virtual local area network.
Specifically, the heating and ventilating device 104 is configured to:
reading logic configuration in an enabling state from a stored control instruction, and creating threads of the number of logic blocks in the logic configuration, wherein the logic blocks comprise a plurality of control conditions and a plurality of control actions;
sequentially carrying out logic judgment on the control conditions in the corresponding logic blocks in each thread, wherein the logic judgment comprises logic judgment in conditions and/or logic judgment among the conditions;
and if the logic judgment is passed, executing the control action corresponding to the control condition.
With reference to fig. 2, a detailed flow of the embodiment of the present invention is described below by referring to fig. 1, where the heating and ventilation cloud-side cooperative control method in the embodiment of the present invention includes:
201. the cloud server selects a control algorithm on the edge servers according to preset energy-saving conditions, and adjusts parameters of corresponding control algorithms stored in each edge server;
it can be understood that the execution subject of the present invention may be a heating and ventilating cloud-side cooperative control device, and may also be a terminal or a server, which is not limited herein. The embodiment of the present invention is described by taking a server as an execution subject.
In the embodiment, the heating and ventilation cloud side cooperative system sinks the algorithm strategy of the cloud server to the edge server, and the cloud server is only responsible for adjusting each control algorithm in the edge server and relevant parameters corresponding to each control algorithm according to preset energy-saving conditions and does not directly control the heating and ventilation equipment; the heating and ventilation is controlled by the edge server through a control algorithm deployed on the edge server. The edge server controls the heating and ventilation equipment relative to the cloud server, so that the control period is shorter, the time delay is shorter, and the reliability is higher.
In this embodiment, the cloud-side server performs analog computation on the whole execution cycle of the heating and ventilation device to determine a control algorithm deployed in the edge server, and whether the parameter setting of the control algorithm meets the energy-saving condition, if not, the control algorithm corresponding to the edge server needs to be parameter-adjusted, so as to ensure that the heating and ventilation device has the highest energy-saving efficiency in the whole execution cycle, or meets the energy-saving condition.
Specifically, the corresponding operation instruction can be pre-executed by simulating the real operation environment of the heating and ventilation equipment, and the regulation and control action is given according to the pre-execution result, so that the parameters of each control algorithm in the edge server are gradually adjusted in a circulating manner, and the whole execution period of the heating and ventilation equipment meets the energy-saving condition.
For example, an industrial regulation and control architecture combining an Actor-Critic network comprises an Actor, a Critic network, a real industrial environment, a simulation environment and an experience pool, wherein the Actor is used for giving regulation and control actions to parameters in the real environment, the simulation environment and the experience pool; critic is used to evaluate the regulatory action given by Actor to score it; the simulation environment provides data support for a large number of iterations of the deep learning network, and the associated loss function in the Actor-Critic network can be used later to ensure that the simulation and the real environment are sufficiently similar. The real physical environment to be regulated has relevant parameters such as state, action and the like; the experience pool can record data of a real environment, so that Actor-Critic can perform offline iteration and keep calculation all the time, and the purpose of gradually approaching the optimal condition is achieved.
202. The gateway sends a control instruction subscription request corresponding to the heating and ventilation equipment to the edge server, and the edge server generates a control instruction by adopting a control algorithm according to the control instruction subscription request;
in this embodiment, the heating and ventilation device mainly includes three types of devices, such as heating, ventilation, and air conditioning. The main heating equipment includes boiler, heat exchanger, water pump and heat radiator; the main equipment of the ventilation type is a fan; the main devices of the air-conditioning type include a cooling tower, a water chilling unit, a water pump, an air handler, a fan coil and the like, and the heating and ventilation device cluster is monitored by the heating and ventilation cloud-side cooperation method in the embodiment, and the heating and ventilation devices are regulated and controlled according to control instructions.
The edge server can select a corresponding algorithm model from the model library for each heating and ventilating device by deploying the model library, the algorithm library and the strategy library for controlling the heating and ventilating device, then respectively select corresponding control algorithms from the algorithm library and the strategy library according to the selected algorithm models, and then generate a control instruction for controlling the heating and ventilating device through the selected control algorithm to complete the control of the heating and ventilating device.
And in the operation process of the heating and ventilation equipment, a control instruction subscription request can be initiated, wherein the control instruction subscription request at least comprises request contents (such as temperature rise and temperature reduction) and a request main body (such as a radiator, a water pump and a hot water unit), and the edge server selects a corresponding control algorithm to generate a control instruction according to data in the control instruction subscription request so as to control one or more heating and ventilation equipment to execute corresponding operations.
203. The edge server synchronizes the control instruction to other edge servers, and the control instruction is mapped to the corresponding heating and ventilation equipment through the gateway by each edge server for storage;
in this embodiment, the heating and ventilation cloud edge cooperative control system includes a plurality of gateways and a plurality of heating and ventilation devices, because a coverage area of a communication mode (such as a LoRa communication Network, a low-power consumption remote wireless communication technology) between general edge servers is limited, and a control center is generally deployed at a cloud server, in this embodiment, on one hand, the control center sinks to the edge servers, and on the other hand, a VPN (Virtual Private Network) networking is formed by the plurality of edge servers, so that distributed monitoring on each heating and ventilation device is realized, stability and reliability of the heating and ventilation cloud edge cooperative control method are improved, and control delay is reduced.
In addition, in this embodiment, the gateway not only functions to collect and transmit data, but also is configured to map a control instruction to the edge server, and sink the mapping of the control instruction from between the edge server and the warming and ventilating device to between the gateway and the warming and ventilating device, or between the gateway and the edge server, if only the edge server and the warming and ventilating device are used for real-time mapping, the computing resource of the edge server is still occupied, and after the real-time mapping is sunk to the gateway, a mapping algorithm does not need to be deployed in the edge server, and the control instruction issued by the edge server of the warming and ventilating device is mapped to the warming and ventilating device in real time through the mapping algorithm configured in the gateway.
Specifically, the configured gateway may include: the method comprises the steps of gateway configuration, protocol configuration, fault configuration, node configuration and equipment configuration, and sequentially defining a collection period, collection point positions, fault analysis rules, port data analysis rules and data mapping relations.
204. The heating and ventilation equipment executes the stored control instruction.
In this embodiment, after receiving the control instruction, the heating and ventilation device stores the control instruction in a ferroelectric or other nonvolatile memory, where the control instruction includes information about an acquisition cycle, an upload cycle, a communication parameter, a logic configuration, and the like of the heating and ventilation device, and the heating and ventilation device may create a corresponding number of threads to process a corresponding logic task according to the number of logic blocks in the logic configuration.
In addition, the self-execution control instruction of the heating and ventilation equipment means that the control instruction can be stored in the heating and ventilation equipment for a long time, and the corresponding control instruction is sequentially executed subsequently according to the execution process of the heating and ventilation equipment without real-time monitoring through an edge server.
For example, after the heating and ventilation device is powered on again, the logic block can be directly loaded into the random access memory from the memory, and then the corresponding operation is directly executed without retrieving the control instruction from the edge server again, so as to ensure that the logic block is not in effect because the heating and ventilation device is offline or powered on again.
Further, referring to fig. 3, a second embodiment of the heating, ventilating and cloud side cooperative control method according to the embodiment of the present invention includes:
301. the gateway maps the attribute information and the fault information generated in the process of executing the control instruction by the heating and ventilation equipment to the edge server to which the heating and ventilation equipment belongs;
in this embodiment, a node communication program is respectively deployed on the gateway and the edge server, and the edge server and the gateway are wirelessly connected to implement communication between the edge server and the gateway, where the operating frequency of the node communication program may be an ISM (Industrial Scientific Medical) frequency band, specifically including 433MH, 868MH, 915MH, and the like, and is connected to the gateway through wireless communication (such as Lora wireless communication) of the frequency band, and the gateway maps the attribute information of the heating and ventilation device to the edge server through wireless communication.
302. The edge server synchronizes the attribute information and the fault information to other edge servers for storage;
in this embodiment, the edge servers further include a synchronization program, wherein each edge server performs VPN connection with other edge servers through the synchronization program; and each edge server forwards the edge servers in other edge servers to the edge server of the edge server for storage through a synchronization program.
In this embodiment, the synchronization program is used to connect different edge servers, so as to implement mutual synchronization of the attribute information and the fault information between different edge servers, where the synchronization program of the edge server may be connected to other edge servers through a VPN.
303. And each edge server calls a corresponding control algorithm to generate a control instruction according to the attribute information and the fault information so as to perform distributed control on the corresponding heating and ventilation equipment.
The distributed monitoring of the heating and ventilation equipment is realized through the mutual synchronization of the attribute information and the fault information between different edge servers, different control algorithms are deployed between any edge servers, and the load balance of the heating and ventilation equipment control among the edge servers is more fully realized. Examples of distributed monitoring networks include: edge server A responsible for generating control instructions { a 1 、a 2 、a 3 }; edge server B responsible for generating control instructions B 1 、b 2 、b 3 }; edge server C responsible for generating control instructions { C 1 、c 2 、c 3 }；{a 1 、b 1 、c 1 Sending the data to heating and ventilation equipment under the edge server A, { a } 2 、b 2 、c 2 Sending the data to heating and ventilation equipment under the edge server A, { a } 3 、b 3 、c 3 And sending the data to heating and ventilation equipment under the edge server A. If edge server A fails, monitoring of edge server A may be distributed to edge server B and edge server C, e.g., the edge servers are responsible for generating control instructions { a } 1 、a 2 、b 1 、b 2 、b 3 The edge server C is responsible for generating a control instruction (a) 3 、c 1 、c 2 、c 3 }。
Further, referring to fig. 4, a third embodiment of the heating, ventilating and cloud side cooperative control method according to the embodiment of the present invention includes:
401. the gateway determines the collection point positions of attribute information and fault information generated in the process of executing the control instruction by the heating and ventilation equipment according to the protocol configuration, and reads the attribute information and the fault information corresponding to the collection point positions;
in this embodiment, the mapping of the operation data and the control instruction between the edge server and the warming-up device is sunk to the gateway through the configured gateway. The configured gateway may include protocol configurations, each of which defines specific information of a corresponding attribute information and a collection point location of fault information of the heating and ventilation device, including an address, a length, a data type, and the like of operation data. In the node configuration, for the heating and ventilation equipment including communication interfaces such as RS485, the content of the collected point location of the heating and ventilation equipment needs to be determined, which point locations need to be collected and how to analyze data can be obtained by associating with corresponding protocol configuration, and correct collection of equipment data is completed. The node configuration may specifically associate a point in the Protocol configuration by using the Protocol Id.
402. The gateway receives attribute information and fault information generated in the process of executing the control command by the heating and ventilation equipment;
403. the gateway determines a port mapping link with each edge server according to the node configuration, and analyzes the attribute information and the fault information into port data according to the port mapping link;
404. and the gateway analyzes the obtained port data into mapping information corresponding to the attribute information and the fault information according to the equipment configuration, and sends the mapping information to the edge server to which the mapping information belongs.
In this embodiment, the configured gateway may further include a node configuration and an equipment configuration, and is configured to map the operation data and the control instruction between the edge server and the warming and ventilating equipment, where the node configuration defines port data and a collection point location corresponding to the operation data. Different heating and ventilation devices have different node ports in the gateway, and the types and the numbers of the related port data are different. And when the gateway receives the operation data uploaded by the heating and ventilation equipment, the operation data is analyzed to the corresponding node port according to the configuration information of the heating and ventilation equipment.
The device configuration defines a mapping relation between port data of the heating and ventilation device node port and edge server mapping information. The specific mapping rule is as follows, the port data of the heating and ventilation equipment is analyzed into mapping information, including attribute information and fault information of the heating and ventilation equipment, and meanwhile, the control instruction of the edge server can be mapped into the execution action of the corresponding node port of the heating and ventilation equipment.
Specifically, if the operation data of one heating and ventilation device is as follows: { "runningstatus": "022019390018-0-2-0-0-X |1| 0" } + { "alarm": "022019390018-0-2-0-0-1601022020588", the corresponding mapping information is: { attribute name: node ID-port type-port index-data type-custom formula } + { failure name: node ID-port type-port index-data type-fault resolution rule ID }.
405. The gateway judges whether the heating and ventilation equipment generating the fault information is in a fault state or not according to the mapping information corresponding to the fault information;
406. if the heating and ventilation equipment is in a fault state, the gateway analyzes fault information into fault codes according to fault configuration and sends the fault codes to the edge server and the cloud server;
in this embodiment, the fault configuration determines an analysis rule of the fault information in the mapping information. The obtained fault information of the gateway is a specific fault code, and the specific fault content and the processing suggestion of the fault code analysis process need to be further processed.
407. Sending the mapping information to the edge server, and synchronizing the attribute information and the fault information to other edge servers by the edge server to be stored;
408. and each edge server calls a corresponding control algorithm to generate a control instruction according to the attribute information and the fault information so as to perform distributed control on the corresponding heating and ventilation equipment.
Referring to fig. 5, a fourth embodiment of the heating and ventilation cloud edge cooperative control method according to the embodiment of the present invention includes:
501. the cloud server selects a control algorithm on the edge servers according to preset energy-saving conditions, and adjusts parameters of corresponding control algorithms stored in each edge server;
502. the gateway sends a control instruction subscription request corresponding to the heating and ventilation equipment to the edge server, and the edge server generates a control instruction by adopting a control algorithm according to the control instruction subscription request;
503. the affiliated edge server calls a synchronization program to forward the control instruction to the Mqtt server of the affiliated edge server;
in this embodiment, an Mqtt (Message queue Telemetry Transport) server is used as a local server, and a corresponding control algorithm is selected to generate a control instruction according to a control instruction subscribed by the heating and ventilation equipment, so as to control the heating and ventilation equipment, that is, the Mqtt server is used as a control center of an edge server.
504. The affiliated edge server calls the synchronization program again, and sends the control instruction from the Mqtt server of the affiliated edge server to Mqtt servers of other edge servers through a preset VPN virtual local area network;
further, the synchronization program is actually used for connecting the Mqtt servers between different edge servers to achieve mutual synchronization of control instructions between different edge servers, where the synchronization program of the edge server is connected to the Mqtt servers of other edge servers through the VPN, and is connected to the Mqtt server of the edge server through an electronic circuit. That is, the connection between different edge servers is actually realized by connecting the Mqtt servers through a synchronous program.
When the control instruction is generated and then forwarded to the Mqtt server, a primary synchronization program needs to be called, and when the control instruction is forwarded to the Mqtt servers of other edge servers from the Mqtt server, the synchronization program is called again, so that the mutual synchronization of the control instruction among the edge servers can be realized.
505. Judging whether the control instruction belongs to heating and ventilation equipment controlled by the edge server of the edge server through each edge server;
506. if so, the edge server sends the control command to a gateway controlled by the edge server;
in this embodiment, each heating and ventilation device performs distributed monitoring through a plurality of edge servers, so that a control instruction generated by each edge server does not necessarily control each heating and ventilation device under the edge server, when the edge server issues the control instruction to the heating and ventilation device, the edge server preliminarily determines whether the edge server belongs to the heating and ventilation device under the own gateway through a node communication program, and if the edge server belongs to the heating and ventilation device under the own gateway, the control instruction is sent to the corresponding heating and ventilation device, otherwise, no further processing is performed, so that distributed monitoring of each heating and ventilation device is achieved.
507. According to the equipment configuration in the controlled gateway, a control instruction issued by the edge server is analyzed into port data associated with a node port in the gateway through the controlled gateway, and the port data is sent to heating and ventilation equipment corresponding to the port node for storage;
in this embodiment, after receiving the control command of the edge server, the gateway parses the control command for the heating and ventilation device into a port command for a node port according to the device configuration, and then sends the corresponding port command to the corresponding heating and ventilation device.
For example, the control command is { "turnoff": "022019390018-0-2-0-0-X |1|0| running status" }, the corresponding port data is: { command name: node ID-port type-port index-data type-custom formula }.
508. The heating and ventilation equipment reads the logic configuration in an enabling state from the stored control instruction and creates threads with the number of logic blocks in the logic configuration, wherein the logic blocks comprise a plurality of control conditions and a plurality of control actions;
509. the heating and ventilation equipment sequentially carries out logic judgment on the control conditions in the corresponding logic blocks in each thread, wherein the logic judgment comprises logic judgment in the conditions and/or logic judgment between the conditions;
510. and if the logic judgment is passed, the heating and ventilation equipment executes the control action corresponding to the control condition.
In this embodiment, when the gateway and the edge server are disconnected, that is, when the network of the heating and ventilation device is disconnected, or when the heating and ventilation device is restarted, the heating and ventilation device may still control itself according to the logic configuration stored in the heating and ventilation device, and if the heating and ventilation device stores the logic configuration and the logic configuration is enabled, threads with a corresponding number are created according to the number of the logic blocks, and the corresponding logic blocks are processed; and then, logic judgment of each condition is sequentially carried out in each thread, the overall truth of the condition block is confirmed by combining the logic among the conditions, and if the condition judgment is true, the action instruction is executed in sequence.
In addition, the gateway can issue new logic configuration to the heating and ventilation equipment at any time, the heating and ventilation equipment stores the configuration after receiving the configuration, and logic processing is carried out according to the new logic configuration. The gateway can send enable and disable logic control commands to the terminal at any time, and the terminal enables or disables logic configuration after receiving the commands.
Preferably, in the logic configuration, at least the number of logic blocks and the specific content of the logic blocks are included, each logic block comprises a condition block and an action block, each condition block and action block comprises a plurality of control conditions and a plurality of control actions, wherein the control conditions comprise condition logic, port types, slave station IDs, data indexes and target values, the condition logic comprises and/or logic within the logic blocks and comparison logic between the and logic and other logic blocks, and the control actions comprise action codes, port types, slave station IDs, data indexes, target values and delays.
In the embodiment of the invention, the cloud server only adjusts the parameters of the corresponding control algorithm stored in each edge server according to the preset energy-saving condition; the edge server really controls the heating and ventilation equipment, namely, a control algorithm is sunk into the edge server, and when a gateway sends a control instruction subscription request corresponding to the heating and ventilation equipment to the edge server, the edge server can directly call the corresponding control algorithm to generate a control instruction without being controlled by a cloud server; then the edge server synchronizes the control instruction to other edge servers, and the control instruction is mapped to the corresponding heating and ventilation equipment through the gateway by each edge server for storage, so that distributed monitoring of each heating and ventilation equipment by a plurality of edge servers is realized, when a single edge server fails, the control of the whole heating and ventilation equipment is not influenced, and the reliability of the heating and ventilation control is increased; finally, the heating and ventilation equipment executes the stored control instruction by self, and the stored control instruction can be directly executed even when the heating and ventilation equipment is disconnected with the edge server or restarted, so that the real-time performance and the reliability of the control of the heating and ventilation equipment are improved.
The present invention also provides a computer-readable storage medium, which may be a non-volatile storage medium or a volatile storage medium, and which stores instructions that, when executed, cause the computer-readable storage medium to execute the steps of the heating, ventilation and cloud-side cooperative control method.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The heating and ventilation cloud side cooperative control method is applied to a heating and ventilation cloud side cooperative control system, and is characterized in that the heating and ventilation cloud side cooperative control system comprises a cloud server, a plurality of edge servers, a plurality of gateways and a plurality of heating and ventilation devices from top to bottom, wherein a control algorithm for the heating and ventilation devices is deployed on each edge server, and the heating and ventilation cloud side cooperative control method comprises the following steps:
the cloud server selects a control algorithm on each edge server according to preset energy-saving conditions, and adjusts parameters of the corresponding control algorithm stored in each edge server;
the gateway sends a control instruction subscription request corresponding to the heating and ventilation equipment to the edge server, and the edge server generates a control instruction by adopting the control algorithm according to the control instruction subscription request;
the edge server synchronizes the control instruction to other edge servers, and the control instruction is mapped to corresponding heating and ventilation equipment for storage through each edge server;
the heating and ventilation equipment executes stored control instructions;
the gateway includes protocol configuration, node configuration and equipment configuration, node communication programs for realizing communication between the edge servers and the gateway are respectively deployed on the gateway and the edge servers, the edge servers further include synchronization programs for connecting different edge servers and realizing mutual synchronization of attribute information and fault information between different edge servers, and the heating and ventilation cloud edge cooperative control method further includes:
the gateway determines attribute information and a collection point position of the fault information generated in the process of executing a control instruction by the heating and ventilation equipment according to the protocol configuration, and reads the attribute information and the fault information corresponding to the collection point position, wherein each protocol configuration defines a collection point position of the heating and ventilation equipment corresponding to the attribute information and the fault information, and the collection point position comprises an address, a length and a data type of operation data;
the gateway receives attribute information and fault information generated in the process of executing the control instruction by the heating and ventilation equipment;
the gateway determines port mapping links with each edge server according to the node configuration, and analyzes attribute information and fault information into port data according to the port mapping links, wherein the node configuration defines port data and acquisition point positions corresponding to operation data, and node ports of different heating and ventilation equipment in the gateway are different, and the types and the numbers of the related port data are different;
the gateway analyzes the obtained port data into mapping information corresponding to attribute information and fault information according to the equipment configuration, and sends the mapping information to the edge server to which the gateway belongs, wherein the equipment configuration defines a mapping relationship between the port data of the node port of the heating and ventilation equipment and the mapping information of the edge server, and a mapping rule corresponding to the mapping relationship comprises: analyzing port data of heating and ventilation equipment into mapping information, and mapping a control instruction of an edge server into an execution action of a corresponding node port of the heating and ventilation equipment, wherein the mapping information comprises attribute information and fault information of the heating and ventilation equipment;
the edge server synchronizes the attribute information and the fault information to other edge servers for storage, so that different control algorithms can be deployed among any edge servers, and load balance of control over heating and ventilation equipment among the edge servers is realized;
and each edge server calls a corresponding control algorithm to generate a control instruction according to the attribute information and the fault information so as to perform distributed control on the corresponding heating and ventilation equipment.
2. The heating, ventilation and cloud edge cooperative control method according to claim 1, wherein the gateway further includes a fault configuration, and after the gateway analyzes the obtained port data into mapping information corresponding to attribute information and fault information according to the device configuration, the method further includes:
the gateway judges whether the heating and ventilation equipment generating the fault information is in a fault state or not according to the mapping information corresponding to the fault information;
and if the heating and ventilation equipment is in a fault state, the gateway analyzes the fault information into a fault code according to the fault configuration and sends the fault code to the edge server and the cloud server.
3. The heating and ventilation cloud side cooperative control method according to claim 1, wherein the mapping, by each edge server, the control instruction into the corresponding heating and ventilation device through a gateway for storage comprises:
judging whether the control instruction belongs to heating and ventilation equipment controlled by the edge server of the edge server through each edge server;
if so, the edge server sends the control command to a gateway controlled by the edge server;
according to the equipment configuration in the controlled gateway, the control instruction issued by the edge server is analyzed into port data associated with the node port in the gateway through the controlled gateway, and the port data is sent to the heating and ventilation equipment corresponding to the port node for storage.
4. The heating, ventilating and cloud side cooperative control method according to claim 1, wherein the edge server includes an Mqtt server, and the synchronizing of the edge server with the control command to the other edge servers includes:
the affiliated edge server calls the synchronization program to forward the control instruction to an Mqtt server of the affiliated edge server;
and the affiliated edge server calls the synchronization program again, and sends the control instruction from the Mqtt server of the affiliated edge server to Mqtt servers of other edge servers through a preset VPN virtual local area network.
5. The heating and ventilation cloud side cooperative control method according to claim 1, wherein the self-execution of the stored control instruction by the heating and ventilation device comprises:
the heating and ventilation equipment reads the logic configuration in an enabling state from a stored control instruction and creates threads with the number of logic blocks in the logic configuration, wherein the logic blocks comprise a plurality of control conditions and a plurality of control actions;
the heating and ventilation equipment sequentially carries out logic judgment on the control conditions in the corresponding logic blocks in each thread, wherein the logic judgment comprises logic judgment in conditions and/or logic judgment among the conditions;
and if the logic judgment is passed, the heating and ventilation equipment executes the control action corresponding to the control condition.
6. The heating and ventilation cloud side cooperative control system is characterized by comprising a cloud server, a plurality of edge servers, a plurality of gateways and a plurality of heating and ventilation devices from top to bottom, wherein a control algorithm for the heating and ventilation devices is deployed on each edge server; the gateway comprises protocol configuration, node configuration and equipment configuration, node communication programs for realizing the communication between the edge servers and the gateway are respectively deployed on the gateway and the edge servers, and the edge servers also comprise synchronization programs for connecting different edge servers and realizing the mutual synchronization of the attribute information and the fault information between different edge servers;
the cloud server is used for selecting a control algorithm on each edge server according to preset energy-saving conditions and adjusting parameters of the corresponding control algorithm stored in each edge server;
the gateway is used for sending a control instruction subscription request corresponding to the heating and ventilation equipment to the edge server, subscribing the request according to the control instruction, subscribing the request by the edge server according to the control instruction and generating the control instruction by adopting the control algorithm;
the edge server is used for synchronizing the control instruction to other edge servers, and mapping the control instruction to corresponding heating and ventilation equipment through a gateway by each edge server for storage; the heating and ventilation equipment self-executes the stored control instruction;
the gateway is further configured to: according to the protocol configuration, determining attribute information and a collection point position of fault information generated in the process of executing a control instruction by heating and ventilation equipment, reading the attribute information and the fault information corresponding to the collection point position, and receiving the attribute information and the fault information generated in the process of executing the control instruction by heating and ventilation equipment, wherein each protocol configuration defines the collection point position of the attribute information and the fault information corresponding to one heating and ventilation equipment, and the collection point position comprises an address, a length and a data type of operation data;
the gateway is further configured to: determining port mapping links with each edge server according to the node configuration, and analyzing attribute information and fault information into port data according to the port mapping links, wherein the node configuration defines port data and acquisition point positions corresponding to operation data, and node ports of different heating and ventilation equipment in a gateway are different, and the types and the numbers of the related port data are different;
the gateway is further configured to: analyzing the obtained port data into mapping information corresponding to attribute information and fault information according to the equipment configuration, and sending the mapping information to the edge server to which the port data corresponds, wherein the equipment configuration defines a mapping relation between the port data of the heating and ventilation equipment node port and the mapping information of the edge server, and mapping rules corresponding to the mapping relation are as follows: analyzing port data of the heating and ventilation equipment into mapping information, and mapping a control instruction of an edge server into an execution action of a corresponding node port of the heating and ventilation equipment, wherein the mapping information comprises attribute information and fault information of the heating and ventilation equipment;
the affiliated edge server is also configured to: synchronizing the attribute information and the fault information to other edge servers for storage, so that different control algorithms can be deployed among any edge server, and load balance of control over heating and ventilation equipment among the edge servers is realized;
each edge server is further configured to: and calling a corresponding control algorithm to generate a control instruction according to the attribute information and the fault information so as to perform distributed control on the corresponding heating and ventilation equipment.
7. A computer-readable storage medium having instructions stored thereon, wherein the instructions, when executed, implement the heating, ventilation and cloud-side cooperative control method according to any one of claims 1 to 5.
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