CN114039841A - Method and system for redundant communication and network health degree monitoring of central range hood - Google Patents
Method and system for redundant communication and network health degree monitoring of central range hood Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 62
- 230000036541 health Effects 0.000 title claims abstract description 39
- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 158
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- 238000012546 transfer Methods 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 6
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- 238000010586 diagram Methods 0.000 description 6
- 239000000779 smoke Substances 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- 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
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y40/00—IoT characterised by the purpose of the information processing
- G16Y40/30—Control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The invention provides a method and a system for redundant communication and network health monitoring of a central range hood, which are applied to a central range hood control system; the central range hood control system comprises a central range hood main machine and a control terminal, wherein the control terminal comprises a terminal range hood and an air valve main body; the central range hood control system further comprises: the system comprises a radio frequency communication module and an Internet of things communication module; the method comprises the following steps: based on the radio frequency communication module, at least one communication instruction is transmitted between the central range hood host and the control terminal; judging whether the transmission process based on the radio frequency communication module is successful or not; if not, based on the internet of things communication module, at least one communication instruction is transmitted between the central range hood host and the control terminal. The invention solves the technical problem of unsmooth wireless communication between the host of the central range hood and the range hoods or air valves on each floor in the prior art.
Description
Technical Field
The invention relates to the technical field of range hood control, in particular to a method and a system for redundant communication and network health degree monitoring of a central range hood.
Background
Along with the increasing importance of environmental protection, the existing kitchen range hood greatly affects the environment by adopting the external exhaust type smoke exhaust, so that a central range hood is released by several brand companies in the industry, the oil smoke in a common flue is uniformly filtered and silenced and then discharged, a host on a roof needs to be in communication connection with the smoke hoods or air valves on all floors, the smoke exhaust and the product linkage with the filtration of the whole unit of each building are facilitated, and the existing basic wireless communication mode is adopted because of the influence of the common flue based on the application scene of products, no matter the existing wireless communication mode adopting RF (radio frequency) or Lora modules is possible to be in linkage control due to narrow space of the flue, great instability of wireless communication distance or influence of same frequency interference, sometimes the communication among products is not smooth, and the linkage control among products cannot be carried out in time, the possibility that the roof host cannot be started in time is caused.
Disclosure of Invention
In view of the above, the present invention provides a method and a system for redundant communication and network health monitoring of a central range hood, so as to alleviate the technical problem in the prior art that wireless communication between a host of the central range hood and range hoods or dampers on each floor is not smooth.
In a first aspect, the embodiment of the invention provides a method for redundant communication and network health monitoring of a central range hood, which is applied to a central range hood control system; the central range hood control system comprises a central range hood main machine and a control terminal, wherein the control terminal comprises a terminal range hood and an air valve main body; the central range hood control system further comprises: the system comprises a radio frequency communication module and an Internet of things communication module; the method comprises the following steps: based on the radio frequency communication module, at least one communication instruction is transmitted between the central range hood host and the control terminal; judging whether the transmission process based on the radio frequency communication module is successful or not; and if not, transmitting at least one communication instruction between the central range hood host and the control terminal based on the Internet of things communication module.
Further, the determining whether the transfer process based on the radio frequency communication module is successful includes: copying the communication instruction transmitted each time into two instruction copies, and respectively sending the two instruction copies to a receiving end from a sending end based on the radio frequency communication module at the time t11 and the time t 12; the sending end and the receiving end are different terminals in the central range hood host and the control terminal respectively; when the receiving end receives the first instruction copy, recording the receiving time as t21, and controlling the receiving end to reply a first received reply to the sending end; judging whether the sending end receives the first received reply or not; if not, judging that the transmission process based on the radio frequency communication module fails; if yes, judging whether the receiving end receives a second instruction copy; if not, increasing the first error count variable by one and continuing to determine whether the first transmission time interval Δ t1 is greater than the first transmission threshold time; wherein, Δ t1 ═ t21-t 11; if not, judging that the transmission process based on the radio frequency communication module is successful; and if so, judging that the transmission process based on the radio frequency communication module fails.
Further, if it is determined that the receiving end receives the second copy of the instruction, the method further includes: when the receiving end receives the second instruction copy, recording the receiving time as t22, and controlling the receiving end to reply a second received reply to the sending end; checking whether the content of the second instruction copy received by the receiving end is the same as the content of the first instruction copy; if the two are the same, judging that the transmission process based on the radio frequency communication module is successful; if not, respectively calculating the first transmission time interval Deltat 1 and the second transmission time interval Deltat 2; wherein, Δ t2 ═ t22-t 12; determining whether the first transmission time interval and the second transmission time interval are both greater than the first transmission threshold time; if so, judging that the transmission process based on the radio frequency communication module fails; if not, the success of the transmission process based on the radio frequency communication module is judged, the instruction copy corresponding to the minimum value of the time interval in the first transmission time interval and the second transmission time interval is used as a correct instruction, and meanwhile, the first error counting variable is increased by one.
Further, the method further comprises: judging whether the first error count variable is larger than a first health threshold value within a preset time period; and if so, judging that the health degree of the radio frequency communication module is unqualified.
Further, after at least one communication instruction is transmitted between the central range hood host and the control terminal based on the internet of things communication module, the method further comprises the following steps: judging whether the transmission process based on the Internet of things communication module is successful or not; if not, judging that the radio frequency communication module and the Internet of things communication module are all in fault, and reporting communication fault information to the cloud platform.
Further, judging whether the transmission process based on the internet of things communication module is successful comprises: copying the communication instruction transmitted each time into two instruction copies, and respectively sending the two instruction copies to a receiving end from a sending end based on the internet of things communication module at the time t31 and the time t 32; the sending end and the receiving end are different terminals in the central range hood host and the control terminal respectively; when the receiving end receives the first instruction copy, recording the receiving time as t41, and controlling the receiving end to reply a third received reply to the sending end; judging whether the sending end receives the third received reply or not; if not, judging that the transmission process based on the Internet of things communication module fails; if yes, judging whether the receiving end receives a second instruction copy; if not, increasing the second error count variable by one, and continuing to determine whether the third transmission time interval Δ t3 is greater than the second transmission threshold time; wherein, Δ t3 ═ t41-t 31; if not, judging that the transmission process based on the Internet of things communication module is successful; and if so, judging that the transmission process based on the Internet of things communication module fails.
Further, if it is determined that the receiving end receives the second copy of the instruction, the method further includes: when the receiving end receives the second instruction copy, recording the receiving time as t42, and controlling the receiving end to reply a fourth received reply to the sending end; checking whether the content of the second instruction copy received by the receiving end is the same as the content of the first instruction copy; if the Internet of things communication modules are the same, judging that the transmission process based on the Internet of things communication module is successful; if not, calculating the third transmission time interval Δ t3 and a fourth transmission time interval Δ t4 respectively; wherein, Δ t4 ═ t42-t 32; determining whether the third transmission time interval and the fourth transmission time interval are both greater than the second transmission threshold time; if so, judging that the transmission process based on the Internet of things communication module fails; if not, the success of the transmission process based on the internet of things communication module is judged, the instruction copy corresponding to the minimum value of the time interval in the third transmission time interval and the fourth transmission time interval is used as a correct instruction, and meanwhile, the second error counting variable is increased by one.
Further, the method further comprises: judging whether the second error count variable is larger than a second health threshold value within a preset time period; and if so, judging that the health degree of the Internet of things communication module is unqualified.
In a second aspect, the embodiment of the invention further provides a central range hood redundant communication and network health monitoring system, which is applied to a central range hood control system; the central range hood control system comprises a central range hood main machine and a control terminal, wherein the control terminal comprises a terminal range hood and an air valve main body; the central range hood control system further comprises: the system comprises a radio frequency communication module and an Internet of things communication module; the central range hood redundant communication and network health degree monitoring system comprises: the radio frequency communication unit, the judgment unit and the Internet of things communication unit; the radio frequency communication unit is used for transmitting at least one communication instruction between the central range hood main unit and the control terminal based on the radio frequency communication module; the judging unit is used for judging whether the transmission process based on the radio frequency communication module is successful or not; and the Internet of things communication unit is used for transmitting at least one communication instruction between the central range hood host and the control terminal based on the Internet of things communication module if the transmission process based on the radio frequency communication module fails.
In a third aspect, an embodiment of the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the method according to the first aspect when executing the computer program.
The embodiment of the invention provides a method and a system for redundant communication and network health monitoring of a central range hood, wherein double communication is successively distributed in a double-communication networking control mode, and when the former communication fails, the other communication network can be started for communication immediately.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flowchart of a method for redundant communication and network health monitoring of a central range hood according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a central range hood control system according to an embodiment of the present invention;
fig. 3 is a schematic diagram of functional signal transmission between a central range hood and a cloud platform server according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a method for determining whether a transfer process based on a radio frequency communication module is successful according to an embodiment of the present invention;
fig. 5 is a flowchart illustrating a process of determining whether a transmission process based on an internet of things communication module is successful according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a central extractor hood redundant communication and network health monitoring system according to an embodiment of the present invention.
Icon:
1-central range hood host; 2-a host internet of things communication module; 3-a host control system mainboard; 4-a host radio frequency communication module; 5-a blast gate radio frequency communication module; 6-air valve main body; 7-an air valve internet of things communication module; 8-terminal range hood; 9-a cloud platform server; 10-a first air valve body; 11-a first terminal extractor hood; 12-a second air valve body; 13-a second terminal extractor hood; 100-a radio frequency communication unit; 200-a judgment unit; 300-communication unit of internet of things.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
fig. 1 is a flowchart of a method for redundant communication and network health monitoring of a central extractor hood according to an embodiment of the present invention, where the method is applied to a central extractor hood control system. The central range hood control system comprises a central range hood main machine and a control terminal, wherein the control terminal comprises a terminal range hood and an air valve main body; the central range hood control system further comprises: radio frequency communication module and thing networking communication module.
Specifically, fig. 2 is a schematic diagram of a central range hood control system according to an embodiment of the present invention. As shown in fig. 2, the control system includes: central oil smoke absorption machine host computer 1, host control system mainboard 3, blast gate main part 6, terminal range hood 8, radio frequency communication module and thing networking communication module, wherein, radio frequency communication module includes: host computer radio frequency communication module 4 and blast gate radio frequency communication module 5, thing networking communication module includes: host computer thing networking communication module 2 and blast gate thing networking communication module 7. As shown in fig. 2, the control system further includes: the cloud platform server 9, the first air valve main body 10 and the second air valve main body 12 represent air valve main bodies of all floors, and the first terminal range hood 11 and the second terminal range hood 13 represent terminal range hoods of all floors.
The host internet of things communication module 2, the host control system mainboard 3 and the host radio frequency communication module 4 are arranged in the central range hood host 1 and mainly act on a control and communication system of the central range hood host. The air valve internet of things communication module 7 and the air valve radio frequency communication module 5 are arranged in the air valve main body 6 and mainly act on a communication control system of the air valve. The host internet-of-things communication module 2 is mainly used for communicating through a cellular network, reporting information of the central range hood host 1 to the cloud platform server 9, or sending an instruction to the central range hood host 1 through the cloud platform server 9, so that the host and cloud bidirectional communication function is realized.
The main board 3 of the host control system is mainly used for controlling the operation of the central range hood host 1 and establishing linkage control with an air valve of an external networking through the host internet of things communication module 2 and the host radio frequency communication module 4.
Optionally, the Radio frequency communication module may be a Long Range Radio (LoRa) or a Radio frequency RF communication module; the internet of things communication module can be used for cellular network communication, and can also be used for network communication modes such as 2G, 3G, 4G, 5G, NB and the like.
Specifically, the main function of the host radio frequency communication module 4 is to connect the central range hood host 1 with the air valve information communication of each floor of the building unit in a LoRa communication mode, so that a local area network is formed between the whole unit products, and the function of linkage control can be realized between the products according to the current working condition.
The air valve radio frequency communication module 5 has the main functions that the air valve is connected with the central range hood host 1 and the air valve of each floor of a building unit in a LoRa communication mode, a local area network is formed between products of the whole unit, and the functions of linkage control can be realized among the products according to the current working conditions.
The air valve main body 6 is mainly used for identifying the power of a range hood by providing a power supply with the range hood, effectively identifying the condition of a range hood gear switch, and further adjusting the air inlet air quantity power matching of each floor of each building unit, so that the air quantity of each floor of the building unit is more uniformly distributed.
The air valve internet of things communication module 7 is mainly used for enabling the air valve to communicate through a cellular network, reporting information of the air valve to the cloud platform server 9, or sending an instruction through the cloud platform server 9 to transmit the instruction to the air valve, so that the function of bidirectional communication between the air valve and the cloud is achieved. The air valves can communicate with the host and the air valves on each floor of the building unit through the cloud, so that networking is formed among products, and the function of linkage control according to the current working condition among the products is achieved.
The cloud platform server 9 receives information of the air valve and the host through a cellular network internet, sends messages and control commands to the products through cloud computing, provides an information transfer function among the products, and provides a background data acquisition and storage function. Specifically, fig. 3 is a schematic diagram of functional signal transmission between a central range hood and a cloud platform server according to an embodiment of the present invention. As shown in fig. 3, the arrow direction in the figure indicates the transmission direction of the functional signal.
As shown in fig. 1, the method for redundant communication and network health monitoring of a central range hood according to the embodiment of the present invention specifically includes the following steps:
and S102, transmitting at least one communication instruction between the central range hood host and the control terminal based on the radio frequency communication module. Optionally, in the embodiment of the present invention, the communication command is continuously transmitted N times within a preset time period, where N is a positive integer.
And step S104, judging whether the transmission process based on the radio frequency communication module is successful.
And S106, if not, transmitting at least one communication instruction between the central range hood host and the control terminal based on the Internet of things communication module.
In the embodiment of the invention, the radio frequency communication module is switched to carry out communication between the central range hood host and the control terminal, and N times of communication instruction transmission is continuously carried out in a preset time period. And then judging whether the N times of communication is successful, if the N times of continuous communication are failed, switching to an Internet of things communication module, and then continuously transmitting N times of communication instructions between the central range hood host and the control terminal through the Internet of things communication module.
The embodiment of the invention provides a redundant communication and network health monitoring method for a central range hood, which implements dual communication and sequential distribution in a dual communication networking control mode, and can immediately start another communication network for communication when the former communication fails.
Optionally, fig. 4 is a flowchart for determining whether a transfer process based on a radio frequency communication module is successful according to an embodiment of the present invention. As shown in fig. 4, the determining process specifically includes:
copying the communication instruction transmitted each time into two instruction copies, and respectively transmitting the two instruction copies from the transmitting end to the receiving end based on the radio frequency communication module at the time t11 and the time t 12; the sending terminal and the receiving terminal are different terminals in the central range hood main unit and the control terminal respectively;
when the receiving end receives the first instruction copy, recording the receiving time as t21, and controlling the receiving end to reply the first received reply to the sending end;
judging whether the sending end receives a first received reply or not; if not, judging that the transmission process based on the radio frequency communication module fails;
if yes, judging whether the receiving end receives the second instruction copy;
if not, increasing the first error count variable by one and continuing to determine whether the first transmission time interval Δ t1 is greater than the first transmission threshold time; wherein, Δ t1 ═ t21-t 11;
if not, judging that the transmission process based on the radio frequency communication module is successful; and if so, judging that the transmission process based on the radio frequency communication module fails.
As shown in fig. 4, if it is determined that the receiving end receives the second copy of the instruction, the method further includes the following steps:
when the receiving end receives the second instruction copy, the receiving time is recorded as t22, and the receiving end is controlled to reply a second received reply to the sending end;
checking whether the content of the second instruction copy received by the receiving end is the same as the content of the first instruction copy;
if the two are the same, judging that the transmission process based on the radio frequency communication module is successful;
if not, respectively calculating a first transmission time interval delta t1 and a second transmission time interval delta t 2; wherein, Δ t2 ═ t22-t 12;
judging whether the first transmission time interval and the second transmission time interval are both greater than a first transmission threshold time;
if so, judging that the transmission process based on the radio frequency communication module fails;
if not, the success of the transmission process based on the radio frequency communication module is judged, the instruction copy corresponding to the minimum value of the time interval in the first transmission time interval and the second transmission time interval is used as a correct instruction, and meanwhile, the first error counting variable is increased by one.
In the embodiment of the present invention, the determining process is a determining process of whether the transmission process of the communication instruction is successful, in an actual application process, it is necessary to respectively determine the transmission processes of the communication instructions for N consecutive times, and if the transmission processes for N consecutive times are failed, it is determined that the radio frequency communication module is faulty, and then the radio frequency communication module is switched to the communication module of the internet of things to transmit the communication instruction.
Optionally, the method provided by the embodiment of the present invention further includes a method for monitoring the health degree of the radio frequency communication network, specifically, determining whether the first error count variable is greater than a first health threshold value within a preset time period; if yes, judging that the health degree of the radio frequency communication module is unqualified.
Optionally, in the embodiment of the present invention, if it is determined that the radio frequency communication module fails and transmission of the communication instruction cannot be performed, the transmission is switched to the transmission based on the communication module of the internet of things, and after the transmission is switched to the communication module of the internet of things, the method provided in the embodiment of the present invention further includes the following steps:
judging whether the transmission process based on the communication module of the Internet of things is successful or not;
if not, judging that the radio frequency communication module and the Internet of things communication module are all in fault, and reporting communication fault information to the cloud platform.
Optionally, fig. 5 is a flowchart for determining whether a transfer process based on the internet of things communication module is successful according to an embodiment of the present invention. As shown in fig. 5, the method specifically includes:
the communication instruction transmitted each time is copied into two instruction copies, and the two instruction copies are sent to a receiving end from a sending end based on the internet of things communication module at the time t31 and the time t32 respectively; the sending terminal and the receiving terminal are different terminals in the central range hood main unit and the control terminal respectively;
when the receiving end receives the first instruction copy, the receiving time is recorded as t41, and the receiving end is controlled to reply a third received reply to the sending end;
judging whether the sending end receives a third received reply or not; if not, judging that the transmission process based on the communication module of the Internet of things fails;
if yes, judging whether the receiving end receives the second instruction copy;
if not, increasing the second error count variable by one, and continuing to determine whether the third transmission time interval Δ t3 is greater than the second transmission threshold time; wherein, Δ t3 ═ t41-t 31;
if not, judging that the transmission process based on the communication module of the Internet of things is successful; and if so, judging that the transmission process based on the communication module of the Internet of things fails.
As shown in fig. 5, if it is determined that the receiving end receives the second copy of the instruction, the method provided in the embodiment of the present invention further includes:
when the receiving end receives the second instruction copy, the receiving time is recorded as t42, and the receiving end is controlled to reply a fourth received reply to the sending end;
checking whether the content of the second instruction copy received by the receiving end is the same as the content of the first instruction copy;
if the transmission process is the same as the transmission process, judging that the transmission process based on the communication module of the Internet of things is successful;
if not, respectively calculating a third transmission time interval delta t3 and a fourth transmission time interval delta t 4; wherein, Δ t4 ═ t42-t 32;
judging whether the third transmission time interval and the fourth transmission time interval are both greater than a second transmission threshold time;
if so, judging that the transmission process based on the communication module of the Internet of things fails;
if not, the success of the transmission process based on the communication module of the internet of things is judged, the instruction copy corresponding to the minimum value of the time interval in the third transmission time interval and the fourth transmission time interval is used as a correct instruction, and meanwhile, the second error counting variable is increased by one.
In the embodiment of the invention, the judging process is a process of judging whether the transmission process of the communication instruction is successful or not, in the practical application process, the transmission processes of the communication instructions for N times are required to be respectively judged, if the transmission processes for N times fail, the fault of the communication module of the internet of things is judged, and then fault information is reported to the cloud end or technicians are reminded to pay attention to maintenance.
Optionally, the method provided by the embodiment of the present invention further includes a method for monitoring the health degree of the internet of things network, and determining whether the second error count variable is greater than a second health threshold value within a preset time period; if yes, judging that the health degree of the communication module of the Internet of things is unqualified.
Therefore, the embodiment of the invention provides a redundant communication and network health monitoring method for a central range hood, which mainly aims to solve the problems that the existing wireless radio frequency communication is easy to be interfered by clutter and common frequency, so that data is lost, communication is not smooth, and communication cannot be achieved through multiple transmissions in a short time.
Another advantage is that: when one communication fault and the other communication fault are reached, a group of communication failures are confirmed through multiple continuous monitoring and algorithm analysis, and the communication failures can be reported to the cloud end for background analysis and early maintenance of the communication faults without influencing the normal operation and use of products. The double communication method can enable the central range hood, the terminal valve and the range hood to be more timely and effective through wireless communication linkage control, and further improves the stability and reliability of wireless communication of the central range hood.
Example two:
optionally, an embodiment of the present invention provides another method for monitoring redundant communication and network health of a central range hood, which specifically includes the following steps:
s1, powering on a central range hood host (hereinafter referred to as host) and an air valve radio frequency communication module (namely an LORA communication module); the host and the air valve Internet of things communication module are powered on; the two LORA communication modules (namely the air valve radio frequency communication module and the host machine radio frequency communication module) and the two Internet of things communication modules (namely the air valve Internet of things communication module and the host machine Internet of things communication module) respectively complete time synchronization; when a communication demand is generated, the LORA communication is preferentially carried out;
s21, copying the communication instruction into 2 instruction copies, sequentially sending the 2 instruction copies through the LORA network, and recording the sending time as t11 and t12 respectively;
s22, the receiving party receives the 1 st instruction copy, records the receiving time as t21 and replies to the instruction reception of the sending end; the receiving party receives the 2 nd instruction copy, records the receiving time as t22 and replies the instruction reception of the sending end;
s23, if the sender does not receive the command reply, recording the sending failure number P1 count + 1;
s24, the receiver checks whether the 2 nd instruction copy is received, if not, the sending error number Q1 is recorded and counted as +1, the delta T1 is calculated as T21-T11, whether the delta T1 is larger than the transmission threshold time T1 is judged, if so, the sending failure number P12 is recorded and counted as + 1;
s25, if yes, the communication is successful;
s26, if the receiver receives the 2 nd instruction copy, checking whether the contents of the 2 nd instruction copy are the same; if the communication is the same, the communication is successful;
s27, if the difference is not the same, calculating delta T1-T21-T11 and delta T2-T22-T12, judging whether the delta T1 and the delta T2 are both larger than the transmission threshold time T1, if so, the communication fails, and recording the number of sending failures P12 to count + 1; if not, the command copy corresponding to the small values in the delta t1 and the delta t2 is taken as a correct command, the communication is successful, and the sending error number Q1 is recorded and counted to be + 1.
S3, if the communication fails, re-executing the steps S21-S27, judging whether the sending failure number P1 is larger than n, if not, continuing to execute LORA network communication, if so, switching to carry out cellular network communication (namely switching to an Internet of things communication module for communication);
s41, copying the communication command into 2 command copies, sequentially sending the 2 command copies through a cellular network, and recording the sending time as t31 and t32 respectively;
s42, the receiving party receives the 1 st instruction copy, records the receiving time as t41 and replies to the instruction reception of the sending end; the receiving party receives the 2 nd instruction copy, records the receiving time as t42 and replies the instruction reception of the sending end;
s43, if the sender does not receive the reply, recording the sending failure number P2 and counting + 1;
s44, the receiver checks whether the 2 nd instruction copy is received, if not, the sending error number Q2 is recorded and counted as +1, the delta T3 is calculated as T41-T31, whether the delta T3 is larger than the transmission threshold time T2 is judged, if so, the sending failure number P22 is recorded and counted as + 1;
s45, if yes, the communication is successful;
s46, if the receiver receives the 2 nd instruction copy, checking whether the contents of the 2 nd instruction copy are the same; if the communication is the same, the communication is successful;
s47, if the difference is not the same, calculating delta T3-T41-T31 and delta T4-T42-T32, judging whether the delta T3 and the delta T4 are both larger than the transmission threshold time T2, if so, the communication fails, and recording the number of sending failures P22 to count + 1; if not, taking the command copy corresponding to the small values in the delta t3 and the delta t4 as a correct command, successfully communicating this time, and recording the number of sending errors Q2 and counting + 1;
s5, if the communication fails, re-executing S41-S47, judging whether the sending failure number P2 is larger than m, if not, continuing to execute the cellular network communication;
s52, if yes, the system communication is judged to be failed, at this time, the LORA communication transmission failure number P1 is larger than n, and the cellular network communication transmission failure number P2 is larger than m. Judging all faults of the communication module, and reporting the communication faults to the cloud end or the local end of the product to prompt the communication faults;
s6, the receiving end can be larger than n through P12, and P22 is larger than m. Judging all faults of the communication module, and reporting the communication faults to the cloud end or the local end of the product to prompt the communication faults;
s7, judging whether the LORA communication sending error number Q1 is larger than a threshold value x or not, if so, judging that the LORA communication network is low in health degree, reporting to a cloud end or a product local end to prompt communication fault risks, and reminding technical service personnel of paying attention to maintenance;
s8, judging whether the cellular network communication sending error number Q2 is larger than the threshold value y, if so, judging that the cellular communication network health degree is low, reporting the communication fault risk prompted by the cloud or the product local end, and informing a cellular communication network service provider to arrange network health degree detection.
Example three:
fig. 6 is a schematic diagram of a central extractor hood redundant communication and network health monitoring system according to an embodiment of the present invention, which is applied to a central extractor hood control system. The central range hood control system comprises a central range hood main machine and a control terminal, wherein the control terminal comprises a terminal range hood and an air valve main body; the central range hood control system further comprises: radio frequency communication module and thing networking communication module. As shown in fig. 6, the system for monitoring redundant communication and network health of a central range hood according to an embodiment of the present invention includes: the system comprises a radio frequency communication unit 100, a judging unit 200 and an internet of things communication unit 300.
Specifically, the radio frequency communication unit 100 is configured to transmit at least one communication command between the central extractor hood host and the control terminal based on the radio frequency communication module.
The determining unit 200 is configured to determine whether the transfer process based on the rf communication module is successful.
And the internet of things communication unit 300 is configured to transmit at least one communication instruction between the central extractor hood host and the control terminal based on the internet of things communication module if it is determined that the transmission process based on the radio frequency communication module fails.
The embodiment of the invention provides a redundant communication and network health monitoring method and system for a central range hood, which implement dual communication to be successively distributed in a dual communication networking control mode, and can immediately start another communication network to carry out communication when the former communication fails.
Optionally, the determining unit 200 is further configured to:
copying the communication instruction transmitted each time into two instruction copies, and respectively transmitting the two instruction copies from the transmitting end to the receiving end based on the radio frequency communication module at the time t11 and the time t 12; the sending terminal and the receiving terminal are different terminals in the central range hood main unit and the control terminal respectively;
when the receiving end receives the first instruction copy, recording the receiving time as t21, and controlling the receiving end to reply the first received reply to the sending end;
judging whether the sending end receives a first received reply or not; if not, judging that the transmission process based on the radio frequency communication module fails;
if yes, judging whether the receiving end receives the second instruction copy;
if not, increasing the first error count variable by one and continuing to determine whether the first transmission time interval Δ t1 is greater than the first transmission threshold time; wherein, Δ t1 ═ t21-t 11;
if not, judging that the transmission process based on the radio frequency communication module is successful; and if so, judging that the transmission process based on the radio frequency communication module fails.
If the receiving end is judged to receive the second instruction copy, then: when the receiving end receives the second instruction copy, the receiving time is recorded as t22, and the receiving end is controlled to reply a second received reply to the sending end;
checking whether the content of the second instruction copy received by the receiving end is the same as the content of the first instruction copy;
if the two are the same, judging that the transmission process based on the radio frequency communication module is successful;
if not, respectively calculating a first transmission time interval delta t1 and a second transmission time interval delta t 2; wherein, Δ t2 ═ t22-t 12;
judging whether the first transmission time interval and the second transmission time interval are both greater than a first transmission threshold time;
if so, judging that the transmission process based on the radio frequency communication module fails;
if not, the success of the transmission process based on the radio frequency communication module is judged, the instruction copy corresponding to the minimum value of the time interval in the first transmission time interval and the second transmission time interval is used as a correct instruction, and meanwhile, the first error counting variable is increased by one.
Optionally, the determining unit 200 is further configured to determine whether the transmission process based on the communication module of the internet of things is successful, and includes:
the communication instruction transmitted each time is copied into two instruction copies, and the two instruction copies are sent to a receiving end from a sending end based on the internet of things communication module at the time t31 and the time t32 respectively; the sending terminal and the receiving terminal are different terminals in the central range hood main unit and the control terminal respectively;
when the receiving end receives the first instruction copy, the receiving time is recorded as t41, and the receiving end is controlled to reply a third received reply to the sending end;
judging whether the sending end receives a third received reply or not; if not, judging that the transmission process based on the communication module of the Internet of things fails;
if yes, judging whether the receiving end receives the second instruction copy;
if not, increasing the second error count variable by one, and continuing to determine whether the third transmission time interval Δ t3 is greater than the second transmission threshold time; wherein, Δ t3 ═ t41-t 31;
if not, judging that the transmission process based on the communication module of the Internet of things is successful; and if so, judging that the transmission process based on the communication module of the Internet of things fails.
If the receiving end receives the second instruction copy, when the receiving end receives the second instruction copy, the receiving time is recorded as t42, and the receiving end is controlled to reply a fourth received reply to the sending end;
checking whether the content of the second instruction copy received by the receiving end is the same as the content of the first instruction copy;
if the transmission process is the same as the transmission process, judging that the transmission process based on the communication module of the Internet of things is successful;
if not, respectively calculating a third transmission time interval delta t3 and a fourth transmission time interval delta t 4; wherein, Δ t4 ═ t42-t 32;
judging whether the third transmission time interval and the fourth transmission time interval are both greater than a second transmission threshold time;
if so, judging that the transmission process based on the communication module of the Internet of things fails;
if not, the success of the transmission process based on the communication module of the internet of things is judged, the instruction copy corresponding to the minimum value of the time interval in the third transmission time interval and the fourth transmission time interval is used as a correct instruction, and meanwhile, the second error counting variable is increased by one.
The embodiment of the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, and when the processor executes the computer program, the steps of the method in the first embodiment are implemented.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A redundant communication and network health monitoring method for a central range hood is applied to a central range hood control system; the central range hood control system comprises a central range hood main machine and a control terminal, wherein the control terminal comprises a terminal range hood and an air valve main body; it is characterized in that, central range hood control system still includes: the system comprises a radio frequency communication module and an Internet of things communication module; the method comprises the following steps:
based on the radio frequency communication module, at least one communication instruction is transmitted between the central range hood host and the control terminal;
judging whether the transmission process based on the radio frequency communication module is successful or not;
and if not, transmitting at least one communication instruction between the central range hood host and the control terminal based on the Internet of things communication module.
2. The method of claim 1, wherein determining whether the transfer process based on the radio frequency communication module is successful comprises:
copying the communication instruction transmitted each time into two instruction copies, and respectively sending the two instruction copies to a receiving end from a sending end based on the radio frequency communication module at the time t11 and the time t 12; the sending end and the receiving end are different terminals in the central range hood host and the control terminal respectively;
when the receiving end receives the first instruction copy, recording the receiving time as t21, and controlling the receiving end to reply a first received reply to the sending end;
judging whether the sending end receives the first received reply or not; if not, judging that the transmission process based on the radio frequency communication module fails;
if yes, judging whether the receiving end receives a second instruction copy;
if not, increasing the first error count variable by one and continuing to determine whether the first transmission time interval Δ t1 is greater than the first transmission threshold time; wherein, Δ t1 ═ t21-t 11;
if not, judging that the transmission process based on the radio frequency communication module is successful; and if so, judging that the transmission process based on the radio frequency communication module fails.
3. The method of claim 2, wherein if it is determined that the second instruction copy is received by the receiving end, the method further comprises:
when the receiving end receives the second instruction copy, recording the receiving time as t22, and controlling the receiving end to reply a second received reply to the sending end;
checking whether the content of the second instruction copy received by the receiving end is the same as the content of the first instruction copy;
if the two are the same, judging that the transmission process based on the radio frequency communication module is successful;
if not, respectively calculating the first transmission time interval Deltat 1 and the second transmission time interval Deltat 2; wherein, Δ t2 ═ t22-t 12;
determining whether the first transmission time interval and the second transmission time interval are both greater than the first transmission threshold time;
if so, judging that the transmission process based on the radio frequency communication module fails;
if not, the success of the transmission process based on the radio frequency communication module is judged, the instruction copy corresponding to the minimum value of the time interval in the first transmission time interval and the second transmission time interval is used as a correct instruction, and meanwhile, the first error counting variable is increased by one.
4. The method of claim 3, further comprising:
judging whether the first error count variable is larger than a first health threshold value within a preset time period; and if so, judging that the health degree of the radio frequency communication module is unqualified.
5. The method according to claim 1, wherein after at least one communication command is transmitted between the central range hood host and the control terminal based on the internet of things communication module, the method further comprises:
judging whether the transmission process based on the Internet of things communication module is successful or not;
if not, judging that the radio frequency communication module and the Internet of things communication module are all in fault, and reporting communication fault information to the cloud platform.
6. The method of claim 5, wherein determining whether the transfer process based on the IOT communication module is successful comprises:
copying the communication instruction transmitted each time into two instruction copies, and respectively sending the two instruction copies to a receiving end from a sending end based on the internet of things communication module at the time t31 and the time t 32; the sending end and the receiving end are different terminals in the central range hood host and the control terminal respectively;
when the receiving end receives the first instruction copy, recording the receiving time as t41, and controlling the receiving end to reply a third received reply to the sending end;
judging whether the sending end receives the third received reply or not; if not, judging that the transmission process based on the Internet of things communication module fails;
if yes, judging whether the receiving end receives a second instruction copy;
if not, increasing the second error count variable by one, and continuing to determine whether the third transmission time interval Δ t3 is greater than the second transmission threshold time; wherein, Δ t3 ═ t41-t 31;
if not, judging that the transmission process based on the Internet of things communication module is successful; and if so, judging that the transmission process based on the Internet of things communication module fails.
7. The method of claim 6, wherein if it is determined that the receiving end received the second copy of instructions, the method further comprises:
when the receiving end receives the second instruction copy, recording the receiving time as t42, and controlling the receiving end to reply a fourth received reply to the sending end;
checking whether the content of the second instruction copy received by the receiving end is the same as the content of the first instruction copy;
if the Internet of things communication modules are the same, judging that the transmission process based on the Internet of things communication module is successful;
if not, calculating the third transmission time interval Δ t3 and a fourth transmission time interval Δ t4 respectively; wherein, Δ t4 ═ t42-t 32;
determining whether the third transmission time interval and the fourth transmission time interval are both greater than the second transmission threshold time;
if so, judging that the transmission process based on the Internet of things communication module fails;
if not, the success of the transmission process based on the internet of things communication module is judged, the instruction copy corresponding to the minimum value of the time interval in the third transmission time interval and the fourth transmission time interval is used as a correct instruction, and meanwhile, the second error counting variable is increased by one.
8. The method of claim 7, further comprising:
judging whether the second error count variable is larger than a second health threshold value within a preset time period; and if so, judging that the health degree of the Internet of things communication module is unqualified.
9. A central range hood redundant communication and network health monitoring system is applied to a central range hood control system; the central range hood control system comprises a central range hood main machine and a control terminal, wherein the control terminal comprises a terminal range hood and an air valve main body; it is characterized in that, central range hood control system still includes: the system comprises a radio frequency communication module and an Internet of things communication module; the central range hood redundant communication and network health degree monitoring system comprises: the radio frequency communication unit, the judgment unit and the Internet of things communication unit; wherein the content of the first and second substances,
the radio frequency communication unit is used for transmitting at least one communication instruction between the central range hood host and the control terminal based on the radio frequency communication module;
the judging unit is used for judging whether the transmission process based on the radio frequency communication module is successful or not;
and the Internet of things communication unit is used for transmitting at least one communication instruction between the central range hood host and the control terminal based on the Internet of things communication module if the transmission process based on the radio frequency communication module fails.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the steps of the method of any of the preceding claims 1 to 8 are implemented when the computer program is executed by the processor.
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