CN112911633A - Network self-adaption method and system for heat pump unit control system - Google Patents
Network self-adaption method and system for heat pump unit control system Download PDFInfo
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- H04W36/14—Reselecting a network or an air interface
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
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- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
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Abstract
The invention discloses a heat pump set control system network self-adapting method and a system, the method comprises the step S1 of selecting an alternative communication network as the current communication network of the heat pump set control system; step S2, detecting the network state of the current communication network; step S3, judging whether the current communication network has abnormal connection; if yes, executing step S4, otherwise returning to step S2; step S4, performing secondary connection, judging whether the secondary connection operation times reaches the preset times, if so, executing step S5, otherwise, returning to step S3; step S5, judging whether the current communication network has abnormal connection; if yes, executing step S6, otherwise returning to step S2; and step S6, switching another alternative communication network to be used as the current communication network of the heat pump unit control system. The invention effectively solves the problems of unreliable detection, high use cost and the like caused by the solidification and use of a single network data reporting mode.
Description
Technical Field
The invention belongs to the technical field of multi-energy heat pumps, and particularly relates to a heat pump unit control system network self-adaption method and system.
Background
At present, a single 4G, Ethernet and WIFI network are mostly adopted for data transmission in connection network application of IOT application places in the field of multi-energy heat pumps, and under the data transmission mode used by independent operation, when the system transmits acquired data and remote control commands due to the fact that no corresponding network or regional network signals are poor and the like, the equipment is disconnected, real-time detection and control functions cannot be completed, and the reliability of the system is reduced;
meanwhile, the multisource heat pumps in most remote areas adopt 4G networks to perform equipment networking functions, and a large amount of communication operation cost can be generated in the independent operation mode, so that the problem of high use cost is caused.
Disclosure of Invention
The invention provides a network self-adaptive method for a heat pump unit control system. The invention can realize the automatic network switching of the multi-source heat pump air conditioning unit network between different application scenes and networking modes (4G/Ethernet/WIFI and the like), and effectively solves the problems of unreliable detection, high use cost and the like caused by the solidification and the use of a single network data reporting mode.
The invention is realized by the following technical scheme:
the invention discloses a heat pump set control system network self-adaptive method, which comprises the following steps:
step S1, selecting an alternative communication network as the current communication network of the heat pump unit control system;
step S2, detecting the network state of the current communication network;
step S3, judging whether the current communication network has abnormal connection; if yes, executing step S4, otherwise returning to step S2;
step S4, performing secondary connection, judging whether the secondary connection operation times reaches the preset times, if so, executing step S5, otherwise, returning to step S3;
step S5, judging whether the current communication network has abnormal connection; if yes, executing step S6, otherwise returning to step S2;
and step S6, switching another alternative communication network to be used as the current communication network of the heat pump unit control system.
Preferably, the alternative communication network of the heat pump unit control system of the present invention includes a 4G network, an ethernet network and a WiFi network.
Preferably, before switching the network in step S6, the present invention further needs to ping another alternative communication network of the heat pump unit control system, and when detecting that there is no packet loss or response in data transmission, the network switch directly skips the network switch to the reliable network for communication.
Preferably, step S1 of the present invention selects the communication network with the highest priority as the current communication network according to the network priority; the network priority is determined by the cost of use.
Preferably, step S2 of the present invention performs network status detection on the current communication network at preset time intervals.
Preferably, the threshold value of step S4 of the present invention is 3.
Preferably, the method of the present invention further includes step S7, determining whether the backup communication network of the heat pump unit control system has been detected and is abnormal, if yes, performing an error alarm, otherwise, returning to step S2.
On the other hand, the invention also provides network self-adaptive equipment for the heat pump unit control system, which comprises an initialization module, a detection module, a first judgment module, a processing module, a second judgment module and a switching module;
the initialization module selects an alternative communication network module as a current communication network of the heat pump unit control system;
the detection module is used for detecting the network state of the current communication network;
when the connection abnormality exists in the current communication network, the first judgment module drives the processing module to control the current communication network to carry out secondary connection;
and after the secondary connection frequency reaches a threshold value and when the current communication network is still abnormal in connection, the second judgment module drives the switching module to switch the current communication network of the heat pump unit control system to another alternative communication network module.
The invention also proposes a computer device comprising a memory and a processor, said memory storing a computer program, said processor implementing the steps of the method of the invention when executing said computer program.
The invention also proposes a computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to the invention.
The invention has the following advantages and beneficial effects:
the invention realizes the automatic network switching of the multi-source heat pump air conditioning unit network in different application occasions and networking modes (such as 4G, Ethernet and WiFi), and aims to solve the problem that the good networking real-time remote detection and control can not be realized by using a single network under the condition that different conditions of geographic positions of the current multi-source heat pump are limited. Meanwhile, the key problems of high use cost and the like caused by the fact that a single network data reporting mode is used for solidification are effectively solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic flow chart of the method of the present invention.
FIG. 2 is a schematic diagram of a computer device according to the present invention.
Fig. 3 is a schematic block diagram of the adaptive system of the present invention.
Fig. 4 is a schematic block diagram of a hot standby air conditioning unit control system according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
Compared with the traditional multisource heat pump control system, the problem that good networking can not be realized to complete real-time remote detection and control by using a single network due to solidification under the condition that different geographical positions and conditions are limited occurs, the embodiment provides the network self-adaptive method for the heat pump unit control system.
Specifically, as shown in fig. 1, the method of this embodiment includes:
and step S1, selecting an alternative communication network as the current communication network of the heat pump unit control system.
The alternative communication network of the heat pump unit control system of the embodiment includes a 4G network, an ethernet network and a WiFi network.
According to the embodiment, the communication network with the highest priority can be selected as the initial current communication network of the heat pump unit control system according to the network priority.
The network priority of this embodiment may be determined according to the network usage cost, for example, taking the ethernet with the lowest usage cost as the communication network with the highest priority, and so on, the network priority is obtained as: ethernet > WIFI > 4G. Therefore, the present embodiment preferentially uses the ethernet as the current communication network of the heat pump unit control system for data transmission.
Step S2, the network status of the current communication network is detected.
In this embodiment, the network status of the ethernet network is detected, the network status of the current network may be detected in a repeated loop at preset time intervals (for example, 5 seconds), and currently, in another preferred embodiment, the network status may also be detected in real time.
Step S3, judging whether the current communication network has abnormal connection; if so, go to step S4, otherwise return to step S2.
And step S4, performing secondary connection, judging whether the number of secondary connection operations reaches the preset number, if so, executing step S5, otherwise, returning to step S3.
The number of times of repeatedly performing the secondary connection set in this embodiment is not more than 3, that is, the threshold value of this embodiment is 3.
Step S5, judging whether the current communication network has abnormal connection; if yes, executing step S6, otherwise returning to step S2;
and step S6, switching another alternative communication network to be used as the current communication network of the heat pump unit control system.
The embodiment switches the WiFi network as the current communication network according to the priority, and continues to detect the WiFi network according to the above steps S2-S6, and if there is an abnormality in the WiFi network, switches the WiFi network to the 4G network and detects it.
Before switching, the embodiment also performs ping operation on the ethernet, the WiFi network and the 4G network, and if no response is detected to the packet loss in data transmission, the next network switching directly skips the network switching to the reliable network for working, so as to implement the network self-adaptive reliable working. For example, when it is detected that the WiFi network is abnormal, the WiFi network is directly skipped to switch the 4G network as the current communication network of the hot standby unit control system.
The embodiment further includes step S7, determining whether the backup communication network of the heat pump unit control system has been detected and is abnormal, if yes, performing an error alarm or display, otherwise, returning to the detection process of step S2. In this embodiment, if all the 3 networks are detected and there is an abnormality (for example, if the system detects that the ethernet network is recovered to normal, the ethernet network is actively switched to perform data transmission), a hardware alarm is performed, for example, an LED indicator and a display screen are used to perform error display.
The embodiment also provides a computer device for executing the method of the embodiment.
As shown particularly in fig. 2, the computer device includes a processor, a memory, and a system bus; various device components including a memory and a processor are connected to the system bus. A processor is hardware used to execute computer program instructions through basic arithmetic and logical operations in a computer system. Memory is a physical device used for temporarily or permanently storing computing programs or data (e.g., program state information). The system bus may be any of several types of bus structures including a memory bus or memory controller, a peripheral bus, and a local bus. The processor and the memory may be in data communication via a system bus. Including read-only memory (ROM) or flash memory (not shown), and Random Access Memory (RAM), which typically refers to main memory loaded with an operating system and computer programs.
Computer devices typically include a storage device. The storage device may be selected from a variety of computer readable media, which refers to any available media that can be accessed by a computer device, including both removable and non-removable media. For example, computer-readable media includes, but is not limited to, flash memory (micro SD cards), CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer device.
A computer device may be logically connected in a network environment to one or more network terminals. The network terminal may be a personal computer, a server, a router, a smart phone, a tablet, or other common network node. The computer apparatus is connected to the network terminal through a network interface (local area network LAN interface). A Local Area Network (LAN) refers to a computer network formed by interconnecting within a limited area, such as a home, a school, a computer lab, or an office building using a network medium. WiFi and twisted pair wiring ethernet are the two most commonly used technologies to build local area networks.
It should be noted that other computer systems including more or less subsystems than computer devices can also be suitable for use with the invention.
As described in detail above, the computer device adapted to the present embodiment can perform the specified operations of the network adaptation method. The computer device performs these operations in the form of software instructions executed by a processor in a computer-readable medium. These software instructions may be read into memory from a storage device or from another device via a local area network interface. The software instructions stored in the memory cause the processor to perform the method of processing group membership information described above. Furthermore, the present invention can be implemented by hardware circuits or by a combination of hardware circuits and software instructions. Thus, implementation of the present embodiments is not limited to any specific combination of hardware circuitry and software.
Example 2
The embodiment also provides a heat pump unit control system network adaptive device, and specifically as shown in fig. 3, the system includes an initialization module, a detection module, a first determination module, a processing module, a second determination module, and a switching module.
The initialization module of the embodiment is used for arbitrarily selecting an alternative communication network module as the current communication network of the heat pump unit control system.
The detection module of the embodiment is used for detecting the network state of the current communication network; the specific detection process is the same as that in embodiment 1, and is not described herein again.
The first determining module of this embodiment drives the processing module to control the current communication network to perform secondary connection when the connection abnormality exists in the current communication network; the specific determination process and the secondary connection operation process are the same as those in embodiment 1, and are not described herein again.
After the secondary connection times reach the threshold value and when the current communication network is still connected abnormally, the second determination module of the embodiment drives the switching module to switch the current communication network of the heat pump unit control system to another alternative communication network module; the specific determination process and the handover process are the same as those in embodiment 1, and are not described herein again.
The system of this embodiment further includes an alarm module, and the alarm module of this embodiment is configured to perform alarm control when all the alternative communication network modules are detected and all the alternative communication network modules are abnormal. The specific alarm control is the same as that in embodiment 1, and is not described herein again.
Example 3
The embodiment further provides a heat pump unit control system adopting the network adaptive technology provided by the embodiment, and as shown in fig. 4 specifically, the system of the embodiment includes a network adaptive device, a 4G network module, a WiFi network module, an ethernet module, an upper computer communication module, a control module, a screen driving module, a strong current driving module, and a temperature sampling driving module.
The screen driving module, the strong current driving module, the temperature sampling driving module and the network self-adaptive device are all connected with the control module, and the control module is further connected with an upper computer.
The network adaptive device of the embodiment is connected with a 4G network module, a WiFi network module, and an ethernet module. All the 3 networks are mounted on a multi-source heat pump main control board, a UDP (user datagram protocol) broadcasting mode (except for a 4G module) is started for each module, a user can directly use a matched upper computer to search and retrieve the equipment in the setting, multi-network working parameters of the multi-source heat pump unit are visually set by using the upper computer, the multi-network working parameters comprise a network mode, a server ip, a port number, an equipment data communication baud rate and the like, and the equipment automatically adapts to network work.
The control module of the embodiment is a main body of the system and mainly used for managing and calling screen drive, strong electric control drive, temperature sampling drive, upper computer communication data interaction and self-adaptive network management drive;
the screen driving module of the embodiment is mainly used for displaying important parameters and collected data in the system to form man-machine interaction, so that local viewing and analysis of the data are facilitated.
The strong current control driving module of the embodiment is mainly used for controlling strong current by using weak current, and realizing the start-stop control of external strong current equipment such as a compressor, a four-way valve, a water source pump, a user pump, a fan and the like of the multi-source heat pump unit.
The temperature sampling driving of the present embodiment collects each temperature data formed by operating the compressor.
In the embodiment, the upper computer is used for completing the preset function of the working parameters of the 3-large network module, and the upper computer can quickly realize the setting of each network working parameter of the multi-source heat pump, and does not need to modify the source code every time to complete the configuration of related parameters.
The upper computer of the embodiment can simultaneously modify all the devices mounted in a switch or a local area network by adopting a UDP (user Datagram protocol) broadcasting mode, and set and read parameters by adopting a mode of a unique identification code MAC (media access control) address, so that the modification of related parameters of each device is reduced by using a complex and tedious method of directly modifying a system program and downloading.
The network adaptive device of the embodiment mainly realizes seamless network switching among the 4G network module, the ethernet module and the WiFi network module.
The system working process of the embodiment is as follows:
the control module of the embodiment completes data interaction of system parameters and a user computer and parameter setting of each module of the system through the upper computer. For example, the 4G network 6 needs to set the relevant working parameters of the network module, such as the network working mode, the IP of the connected remote server, the server port, the unique device identification code, the device alias, and the like, can be directly issued by the computer, so that the 4G network 6 connects the relevant server and sets the parameters to work. And after the configuration is finished, the 4G module enters a data reading processing transceiving state, and the reading process is carried out in a cyclic mode. And informing the 4G module to detect the network connection state and automatically reconnect the disconnected network. Transmission failure retransmission, and the like. The working modes of the WIFI drive and the Ethernet drive are the same as the working modes of the 4G drive. The operation process of the self-adaptive equipment comprises the following steps: the method comprises the steps that firstly, relevant configuration parameters which are set and completed by a user according to an upper computer are electrically read on equipment, after all parameters are set successfully, an Ethernet network is preferentially selected for data transmission, the equipment can be in a high-speed data parallel state in the network mode, the highest communication speed can reach 100M, when a main program runs, the Ethernet network fails in network state detection, the system can start other 2-middle network state detection in advance, when the number of network connection errors exceeds 3, the network is automatically switched to the network which succeeds in detection in advance to work, and therefore automatic switching and seamless connection of the network are achieved. After the network is selected and started initially, a program enters a control main body circulation, the program can carry out network on-off detection aiming at 3 networks existing in the current system in the circulation, network stability prejudgment is carried out in advance, and the reliability and the stability of the network after network switching are ensured.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A heat pump set control system network self-adaption method is characterized by comprising the following steps:
step S1, selecting an alternative communication network as the current communication network of the heat pump unit control system;
step S2, detecting the network state of the current communication network;
step S3, judging whether the current communication network has abnormal connection; if yes, executing step S4, otherwise returning to step S2;
step S4, performing secondary connection, judging whether the secondary connection operation times reaches the preset times, if so, executing step S5, otherwise, returning to step S3;
step S5, judging whether the current communication network has abnormal connection; if yes, executing step S6, otherwise returning to step S2;
and step S6, switching another alternative communication network to be used as the current communication network of the heat pump unit control system.
2. The heat pump unit control system network adaptation method according to claim 1, wherein the alternative communication network of the heat pump unit control system comprises a 4G network, an Ethernet network and a WiFi network.
3. The heat pump unit control system network adaptive method according to claim 1, wherein before switching the network in step S6, another alternative communication network of the heat pump unit control system needs to be subjected to ping operation, and when no response is detected to packet loss during data transmission, the network switching directly skips the network switching to a reliable network for communication.
4. The heat pump unit control system network adaptive method according to claim 1, wherein the step S1 selects the communication network with the highest priority as the current communication network according to the network priority; the network priority is determined by the cost of use.
5. The heat pump unit control system network adaptive method according to claim 1, wherein the step S2 is implemented by detecting the network status of the current communication network at preset time intervals.
6. The heat pump unit control system network adaptive method according to claim 1, wherein the threshold of step S4 is 3.
7. The heat pump unit control system network adaptive method according to claim 1, characterized in that the method further comprises step S7, determining whether the backup communication network of the heat pump unit control system has been detected and all have abnormality, if yes, performing error alarm, otherwise, returning to step S2.
8. A heat pump set control system network self-adaptive device is characterized in that the system comprises an initialization module, a detection module, a first judgment module, a processing module, a second judgment module and a switching module;
the initialization module selects an alternative communication network module as a current communication network of the heat pump unit control system;
the detection module is used for detecting the network state of the current communication network;
when the connection abnormality exists in the current communication network, the first judgment module drives the processing module to control the current communication network to carry out secondary connection;
and after the secondary connection frequency reaches a threshold value and when the current communication network is still abnormal in connection, the second judgment module drives the switching module to switch the current communication network of the heat pump unit control system to another alternative communication network module.
9. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor, when executing the computer program, implements the steps of the method according to any of claims 1-7.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
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