CN116192908A - Data transmission system based on internet of things technology - Google Patents

Data transmission system based on internet of things technology Download PDF

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Publication number
CN116192908A
CN116192908A CN202310475808.4A CN202310475808A CN116192908A CN 116192908 A CN116192908 A CN 116192908A CN 202310475808 A CN202310475808 A CN 202310475808A CN 116192908 A CN116192908 A CN 116192908A
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equipment
final
cloud service
data
service platform
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CN116192908B (en
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王真宝
张志强
乔高学
付振兴
孟子重
陈仕桐
何朗
张书研
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Tianjin Yike Automation Co ltd
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Tianjin Yike Automation Co ltd
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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a data transmission system based on the technology of the Internet of things, which comprises a device group and a cloud service platform, wherein the cloud service platform comprises a processor and a memory storing a computer program, and when the processor executes the computer program, the following steps are realized: the cloud service platform acquires the device information corresponding to all devices, acquires a target device list based on the device information, selects a final device from the target device list, sends the final device ID to the final device, and the final device sends the final device ID to other devices except the final device in the device group, the other devices send the acquired data to the final device after analyzing the acquired data, and the final device uploads the analyzed acquired data to the cloud service platform, so that the situation that the coverage rate of a communication base station is low or network signals are unstable in the prior art is avoided.

Description

Data transmission system based on internet of things technology
Technical Field
The invention relates to the technical field of the Internet of things, in particular to a data transmission system based on the Internet of things technology.
Background
At present, along with the extension and popularization of the internet of things in the industrial field, the wireless network technology plays an increasingly important role, but due to the limitation of the geographic environment or the deficiency of the coverage rate of a base station, the application scene of the internet of things equipment such as bridge displacement monitoring in remote areas, mine slope landslide data monitoring, wind power station state monitoring and the like can not meet the requirement of the internet of things network data transmission to a great extent in some special scenes. Many thing networking equipment is in the rare, open remote area of more wind, is unfavorable for the staff to the control of thing networking equipment's operating condition, and prior art has realized the transmission work to monitoring data through 4G network, but can appear inevitably, because of communication base station coverage rate is low or network signal is unstable around the thing networking equipment, leads to appearing the condition that monitoring state data transmission failed to influence the timeliness of thing networking equipment maintenance and cause unnecessary economic loss.
Disclosure of Invention
Aiming at the technical problems, the invention adopts the following technical scheme: the system comprises a device group and a cloud service platform, wherein the cloud service platform comprises a processor and a memory storing a computer program, and the device group A= { A 1 ，A 2 ，…，A i ，…，A m }，A i I-th equipment in the equipment group, wherein the value range of i is 1 to m, and m is the number of the equipment in the equipment group, and when a processor executes a computer program, the following steps are realized:
s100, the cloud service platform acquires equipment information corresponding to each equipment in the equipment group, wherein the equipment information at least comprises equipment ID, equipment network signal strength and equipment position coordinates, and all the equipment and the cloud service platform realize data transmission through a 4G or 5G network.
S110, based on the device information corresponding to each device, acquiring a target device list D= { D 1 ，D 2 ，…，D r ，…，D s R target device D r Is the equipment meeting the first preset rule in the equipment group, the value range of r is 1 to s, s is the number of the equipment meeting the first preset rule in the equipment group, and when s is>When s=1, S120 is executed, and when s=1, S130 is executed with the target device in the target device list D as the final device.
S120, calculate A 1 ，A 2 ，…，A i ，…，A m To target device D r Linear transmission distance and S of (2) r And S is combined with 1 To S s The target device corresponding to the minimum value in (a) is used as the final device.
And S130, transmitting the final device ID to the final device.
And S140, receiving device acquisition data transmitted by the final device.
After receiving the final device ID sent by the cloud service platform, the final device executes the following steps:
and S150, the final equipment transmits the final equipment ID to other equipment except the final equipment in the equipment group, wherein the equipment in the equipment group realizes data transmission through the wireless ad hoc network radio station.
S160，A i Will A i The acquired data of (a) is sent to the final equipment after being analyzed, and the final equipment sends A i And uploading the analyzed collected data to a cloud service platform.
The invention has at least the following beneficial effects: based on the invention, acquiring device information corresponding to all devices and uploading the device information to a cloud service platform, taking the device meeting a first preset rule as target devices, taking the target devices as final devices when only one target device exists, calculating the linear distance sum from other devices to the target devices when the number of the target devices is larger than 1, taking the minimum linear distance sum as the final device, sending the final device ID to the final device by the cloud service platform, and sending the final device ID to other devices except the target devices in a device group by the final device, sending acquired data to the final device after analysis by the other devices, and uploading the acquired data after analysis by the other devices to the cloud service platform by the final device; according to the invention, the final equipment is selected, the data is transmitted to the final equipment through the wireless ad hoc network radio station among equipment groups, and the final equipment transmits to the cloud service platform, so that the situations of low coverage rate of the communication base station or unstable network signals in the prior art are avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a data transmission system based on the internet of things technology according to an embodiment of the present invention when executing a computer program.
Fig. 2 is a flowchart of steps performed by a device in a device group in a data upgrading system based on the internet of things technology according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
The embodiment provides a data transmission system based on the internet of things technology, wherein the system comprises a device group and a cloud service platform, and the cloud service platform comprisesA processor and a memory storing a computer program, wherein the device group a= { a 1 ，A 2 ，…，A i ，…，A m }，A i Is the ith device in the device group, i has a value ranging from 1 to m, m is the number of devices in the device group, and when the processor executes the computer program, the following steps are implemented as shown in fig. 1:
s100, the cloud service platform acquires equipment information corresponding to each equipment in the equipment group, wherein the equipment information at least comprises equipment ID, equipment network signal strength and equipment position coordinates, and all the equipment and the cloud service platform realize data transmission through a 4G or 5G network.
Specifically, the device ID is a unique identifier of the device, and the device network signal strength is a network signal strength of 4G or 5G when the device and the cloud service platform perform data transmission through the 4G or 5G network.
Specifically, the device information further includes a background noise and a signal-to-noise ratio of the device during transmission.
S110, based on the device information corresponding to each device, acquiring a target device list D= { D 1 ，D 2 ，…，D r ，…，D s R target device D r Is the equipment meeting the first preset rule in the equipment group, the value range of r is 1 to s, s is the number of the equipment meeting the first preset rule in the equipment group, and when s is>When s=1, S120 is executed, and when s=1, S130 is executed with the target device in the target device list D as the final device.
Specifically, the first preset rule is determined according to actual needs, for example, the device with the highest network signal strength in the device group is used as the target device.
S120, calculate A 1 ，A 2 ，…，A i ，…，A m To target device D r Linear transmission distance and S of (2) r And S is combined with 1 To S s The target device corresponding to the minimum value in (a) is used as the final device.
Specifically, the device information includes device position coordinates, when s>1, calculate A based on the device location coordinates i Straight line distance S to target device ri Will S r1 To S rm Adding and obtaining D r Corresponding linear transmission distance and S r And S is combined with 1 To S s The target device corresponding to the minimum value in (a) is used as the final device.
Based on the method, when more than one target device is provided, the distance from the device in the device group to the target device is calculated, and the target device corresponding to the minimum distance is used as the final device, so that when other devices in the device group upload data to the cloud service platform through the final device, the distance from the device to the final device is closer, the signal intensity in the transmission process is stronger and more stable, and the transmission data is more stable.
Further, S120 is replaced with: calculation D r As final device, A 1 To A m The number SU of which meets a second preset condition r And SU is processed 1 To SU s The target device corresponding to the maximum number of the plurality of target devices is used as the final device.
Specifically, the second preset condition is that the signal to noise ratio when the device transmits data to the final device is more than 35db and less than 75db, and the background noise is more than-110 dBm and less than-95 dBm.
Further, when the device satisfies the second preset condition, which indicates that the device satisfies the condition for transmitting data, the data may be directly transmitted to the final device.
Based on the above, when more than one target device is provided, the number of the target devices meeting the second preset conditions is calculated, the target device with the largest number meeting the second preset conditions is taken as the final device, at the moment, the number of the devices capable of directly transmitting data to the final device is the largest, and the data transmission efficiency is higher.
And S130, transmitting the final device ID to the final device.
Specifically, the end device ID is a unique identification of the end device.
And S140, receiving device acquisition data transmitted by the final device.
After receiving the final device ID sent by the cloud service platform, the final device executes the following steps:
and S150, the final equipment transmits the final equipment ID to other equipment except the final equipment in the equipment group, wherein the equipment in the equipment group realizes data transmission through the wireless ad hoc network radio station.
Specifically, the wireless ad hoc network radio station is a Mesh wireless ad hoc network.
Specifically, all devices in the device group are integrated with a wireless ad hoc network radio station, a local area network can be built by self, the networking principle is different from the traditional concept, namely, networking can be realized without the need of all devices to be networked in the same network segment, and the wireless ad hoc network radio station can be freely networked only by the fact that the frequency point, the bandwidth and the networking ID of all the devices to be networked are the same, so that the interference of other devices in the same network segment to the wireless ad hoc network radio station device can be effectively prevented.
S160，A i Will A i The acquired data of (a) is sent to the final equipment after being analyzed, and the final equipment sends A i And uploading the analyzed collected data to a cloud service platform.
Based on S100 to S160, acquiring equipment information corresponding to all the equipment and uploading the equipment information to a cloud service platform, taking equipment meeting a first preset rule as target equipment, taking the target equipment as final equipment when only one piece of target equipment exists, calculating the linear distance sum from other equipment to the target equipment when the number of the target equipment is larger than 1, taking the minimum linear distance sum as the final equipment, sending a final equipment ID to the final equipment by the cloud service platform, sending the final equipment ID to other equipment except the final equipment in an equipment group by the final equipment, sending acquired data to the final equipment after analysis by the other equipment, and uploading the acquired data after analysis by the other equipment to the cloud service platform by the final equipment; according to the invention, the final equipment is selected, the equipment groups are transmitted to the final equipment through the wireless ad hoc network radio station, and the final equipment transmits to the cloud service platform, so that the situations of low coverage rate of the communication base station or unstable network signals in the prior art are avoided.
The invention also stores a status data list and a fault type list in the cloud service platform, in S160, A i Will A i The analysis and transmission of the acquired data to the final device comprises the following steps:
s1601, device A i And receiving a state data list, a fault type list and a first query instruction sent by the final equipment, wherein the state data list, the fault type list and the first query instruction are sent to the final equipment by the cloud service platform.
Specifically, the first query instruction is a device state query instruction, and the device state query instruction is used for acquiring state data of a device.
Specifically, the cloud service platform sends the state data list, the fault type list and the first query instruction to the final device through the 4G or 5G network, and the final device sends the state data list, the fault type list and the first query instruction to other devices in the device group through the wireless ad hoc network radio station.
S1602，A i Analyzing the acquired data based on the state data list and the fault type list to obtain A i Corresponding normal data list and equipment failure warning data.
Specifically, A i Comparing the acquired data with the state data list, acquiring a normal data list and an abnormal data list, comparing the abnormal data list with the fault type list, and determining equipment fault warning data.
And when the acquired data is not in the normal data value range, marking the acquired data as abnormal data, thereby acquiring a normal data list and an abnormal data list, wherein the fault type list stores fault types corresponding to the abnormal data values, and comparing the abnormal data list with the fault type list, thereby determining equipment fault warning data.
S1603，A i Will A i The corresponding normal data list and device failure warning data are sent to the final device.
Further, after S1603, it further includes:
s1604, when A i Cannot be realized with final equipment through wireless ad hoc network radio stationDuring data transmission, A is as follows i And the corresponding equipment fault warning data is sent to the final equipment through a 4G or 5G network, and whether the wireless ad hoc network radio station is recovered to be normal is periodically monitored according to the first preset monitoring time.
Specifically, the first monitoring time may be determined according to actual conditions, and the first preset monitoring time is 30s.
S1605, when the wireless ad hoc network radio station is recovered to be normal, A is carried out i The corresponding normal data list is sent to the end device.
Specifically, in S160, the final device will a i Uploading the analyzed collected data to the cloud service platform further comprises:
s90, when the final equipment and the cloud service platform can not realize data transmission through the 4G or 5G network, A is carried out i And the corresponding equipment fault warning data is sent to the cloud service platform through satellite communication, and whether the 4G or 5G network of the cloud service platform and the final equipment are normally connected is periodically monitored according to the second preset monitoring time.
Specifically, the second monitoring time may be determined according to actual conditions, and the second preset monitoring time is 60s.
S91, after the normal connection of the final equipment and the 4G or 5G network of the cloud service platform is restored, A is carried out i And the corresponding normal data list is sent to the cloud service platform.
Further, in S90, the method for determining that the final device and the cloud service platform cannot realize data transmission through the 4G or 5G network includes the following steps:
and S80, when the final equipment fails to upload the data to the cloud service platform, the final equipment sends a second query instruction to the cloud service platform.
Specifically, the second query instruction is configured to determine whether the final device and the cloud service platform are connected normally, for example, the second query instruction is an at+zip=1 instruction.
And S81, when the cloud service platform returns a first reply instruction, the final equipment uploads the equipment fault warning data to the cloud service platform again.
Specifically, the first reply instruction is that the final device and the cloud service platform are connected normally, and it can be understood that the transmission fails due to the unstable signal, and the final device reports the device failure warning data to the cloud service platform again, for example, the first reply instruction is +zip stat:1,1.
S82, when the cloud service platform returns a second reply instruction, the final equipment performs network residence.
Specifically, the second reply instruction is that the connection between the final device and the cloud service platform is abnormal, and then it can be understood that because the 4G or 5G network is disconnected, for example, the second reply instruction is +zip stat:1, 0.
Specifically, the residence network is that the final equipment and the nearby base station are connected through a 4G or 5G network.
And S83, when the final equipment performs network residence, the network still fails to be connected, namely the final equipment and the cloud service platform cannot realize data transmission through the 4G or 5G network.
Based on the method, collected data of equipment are analyzed to obtain a normal data list and equipment fault warning data, the normal data and the equipment fault warning data are distinguished, when data transmission between the equipment and the final equipment cannot be realized through a wireless ad hoc network radio station, the equipment fault warning data are sent to the final equipment through a 4G or 5G network, the wireless ad hoc network radio station such as the normal data list and the like is transmitted after the normal state is recovered, when the final equipment and a cloud service platform cannot realize data transmission through the 4G or 5G network, the equipment fault warning data corresponding to the equipment are sent to a cloud service platform through satellite communication, and the 4G or 5G network such as the normal data list and the like is transmitted after the normal state is recovered; therefore, the emergency equipment fault warning data is sent to the cloud service platform most quickly, so that the cloud service platform can send out instructions to solve faults as soon as possible.
Further, in S160, A i Will A i After analysis, the data collected by the system is sent to the final equipment, and the method further comprises the following steps:
s161, when A i When the second preset condition is met, A i Directly mix A i And the acquired data of the data are analyzed and then sent to the final equipment.
S162, when A i When the second preset condition is not satisfied, A is obtained i Corresponding transmissible route list B i ={B i1 ，B i2 ，…，B ij ，…，B in }，B ij Is A i The corresponding j-th transmissible route has j ranging from 1 to n, n being A i Is provided for the number of transportable routes.
Specifically, B ij ={B ij1 ，B ij2 ，…，B ijg ，…，B ijz }，B ijg Is B ij G of the device g is in the range of 1 to z, and z is B ij Is the total number of devices, B ij1 Is A i ，B ijz For the final device, it can be understood that A i (i.e. B) ij1 ) To B ij2 Transmission, B ij2 To B ij3 Transmission, … …, B ijg To B ijg+1 Transmission, … …, B ijz-1 To B ijz I.e. the end device).
S163, obtaining a score list C corresponding to the transmissible route i ={C i1 ，C i2 ，…，C ij ，…，C in }，C ij Is B ij Corresponding score, C ij =k 1 ×（S ij -1）+k 2 ×D ij Wherein S is ij Is B ij Number of devices on D ij Is B ij The sum of the distances of all adjacent two devices, k 1 Is a first preset weight parameter, k 2 Is a second preset weight parameter.
Specifically, the first preset weight parameter and the second preset weight parameter are determined according to actual needs.
S164, obtain C i0 =min{C i1 ，C i2 ，…，C ij ，…，C in }, C i0 The corresponding transmissible route serves as the final transmission route.
S165，A i Will A i And the acquired data of the data are analyzed and then sent to the final equipment through the final transmission route.
Based on S161 to S165, when the device satisfies the second preset condition, the device directly transmits the acquired data to the final device after analysis, when the device does not satisfy the second preset condition, the device acquires a transmissible route, uses a transmissible route corresponding to the minimum value in the score list as a final transmission route, the device transmits the acquired data to the final device after analysis through the final transmission route, and finds a route with the minimum transmission distance and the minimum number of devices on the transmission route as a final transmission route by acquiring the score for the transmissible route, so that the data is stably and safely transmitted.
Example 2
On the basis of embodiment 1, the invention also provides a data upgrading system based on the internet of things technology, as shown in fig. 2, which comprises the following steps:
and S200, the final equipment acquires the differential packet list and upgrades the differential packet list, wherein the final equipment is one equipment marked in the equipment group in advance.
Specifically, the differential packet list is a plurality of differential packets obtained by dividing the differential upgrade file of the current version of the device and the version to be upgraded according to the equal proportion.
Specifically, after S200, further includes: the upgrade result of the final device is fed back to the cloud service platform, and S210 is executed after the upgrade of the final device is successful, which can be understood that after the final device receives the differential packet list and upgrades based on the differential packet list, if the upgrade is successful, it indicates that the differential packet list has no problem and can be upgraded.
S210, when the final device sends the differential packet list to other devices A in the device group i In the case of A i The final device directly sends the differential packet list to A when the second preset condition is met i And realizing data transmission among all the devices in the device group through a wireless ad hoc network radio station.
S220, when A i When the second preset condition is not satisfied, A is obtained i Corresponding second transmissible route list E i ={E i1 ，E i2 ，…，E ix ，…，E iq }，E ix Is A i The corresponding x-th second transmissible route has a value of x ranging from 1 to q, q being A i Corresponding firstAnd the number of two transmissible routes.
S230, obtaining a second score list F corresponding to the second transmissible route i ={F i1 ，F i2 ，…，F ix ，…，F iq }，F ix Is E ix Corresponding score, F ix =k 1 ×（FS ix -1）+k 2 ×FD ix Wherein FS ix Is E ix Number of devices on FD ix Is E ix The sum of the distances of all adjacent two devices, k 1 Is a first preset weight parameter, k 2 Is a second preset parameter.
S240, obtaining F i0 =min{F i1 ，F i2 ，…，F ix ，…，F iq }, F is to i0 Corresponding second transmissible route as A i Is provided for the second final transport route.
S250, the final device sends the differential packet list to A through the second final transmission route i So that A i And upgrading according to the received differential packet list.
Based on the above, when the final device obtains the differential packet list and upgrades the differential packet list, the final device sends the differential packet list to other devices in the device group, if the second preset condition is met, the final device directly sends the differential packet list to other devices in the device group, if the second preset condition is not met, the second transmissible route is searched, the second score list corresponding to the second transmissible route is obtained, the second transmissible route corresponding to the minimum second score is used as the second final transmission route, the differential packet list is sent to other devices in the device group through the second final transmission route, and the situation that the differential packet list is lost due to upgrading caused by poor signal quality in the direct transmission through the network in the prior art is avoided by the transmission mode of the wireless ad hoc network radio station, so that the device upgrade is more efficient.
Specifically, the system further includes a cloud service platform, and before S200, the cloud service platform and the devices in the device group further perform the following steps:
and S190, the cloud service platform makes the differential packet list and an index list corresponding to the differential Bao Liebiao, and sends the index list to the final equipment, and the cloud service platform and the final equipment realize data transmission through a 4G or 5G network.
S191, the final device receives the index list and sends the index list to other devices A in the device group i 。
S192, the cloud service platform issues an upgrade trigger instruction to the final equipment, and the final equipment sends the received upgrade trigger instruction to other equipment A in the equipment group i To obtain other devices A in the device group i And feeding back equipment identity data.
S193, the final device sends its own device identity data and the received A i The equipment identity data of the equipment identity data is sent to the cloud service platform, and the equipment identity data at least comprises equipment ID, equipment model number and equipment version number.
And S194, the cloud service platform transmits the differential packet list to the final device after receiving the device identity data of all devices in the device group.
Specifically, the final device receives according to the index list until all differential packets in the differential packet list are received, and the final device executes upgrading.
Specifically, S194 further includes the steps of:
and S1941, when the cloud service platform fails to issue, the final equipment sends a second query instruction to the cloud service platform.
And S1942, when the cloud service platform returns a first reply instruction, the differential packet list is issued to the final device again.
And S1943, when the cloud service platform returns a second reply instruction, network residence is performed.
And S1944, after network residence, if network connection fails, the final equipment marks the differential packet with failed reception based on the index list and periodically monitors according to a second preset monitoring time.
Specifically, after network residence, if network connection is successful, the cloud service platform performs breakpoint continuous transmission.
And S1945, in the monitoring process, if the 4G or 5G network is recovered, the cloud service platform carries out breakpoint continuous transmission on the calibrated differential packet.
Based on the above, when the cloud service platform fails to issue, the final device sends the second query instruction to the cloud service platform, when the first reply instruction is returned, issues the differential packet list again, when the second instruction is returned, hosts the network, connects with the nearby base station, if the network connection is successful, performs breakpoint continuous transmission, if the network connection fails, calibrates the differential packet which fails to transmit, periodically monitors, and after detecting that the network is recovered to be normal, performs the breakpoint continuous transmission, uses the function of the breakpoint continuous transmission, so that the transmitted data does not need to be transmitted again, saves time, and improves efficiency.
Specifically, after S250, it further includes:
s2501, if the end device fails to send the differential packet list to A via the second final transmission route i And transmitting by using other routes in the second transmissible route list.
S2502, if all the second transmissible routes in the second transmissible routes fail to transmit, calibrating the differential packet with transmission failure, and comparing A i The corresponding equipment identity data is sent to the cloud service platform, and periodic monitoring is carried out according to the first preset monitoring time.
S2503, the cloud service platform directly transmits the calibrated differential packet to A through a 4G or 5G network i 。
Specifically, S2503 further includes:
s2504, when the cloud service platform fails to issue, A i And sending a second query instruction to the cloud service platform.
S2505, when the cloud service platform returns a first reply instruction, the calibrated differential packet list is issued to A again i 。
S2506, when the cloud service platform returns a second reply instruction, network residence is performed, and if network connection is recovered, the calibrated differential packet list is issued to A again i 。
S2507, if the network connection fails after network residence, calibrating the serial number of the differential data upgrade packet which is received in failure again, and periodically monitoring the 4G or 5G network according to the second preset monitoring time.
S2508, after the 4G or 5G network is restored, the cloud service platform divides the calibrated difference into A again i And transmitting.
Further, the invention also comprises: when E is ix Resume normal transmission based on E ix Transmitting the recalibrated differential packet to A i 。
In summary, when the final device cannot transmit the differential packet list through the wireless ad hoc network radio station, calibrating the data packet with failed transmission, periodically monitoring the wireless ad hoc network radio station, transmitting the calibrated data packet through a 4G or 5G network by using the cloud service platform, if the cloud service platform fails to transmit through the 4G or 5G network, calibrating the data packet still failed in the transmission again, periodically monitoring the 4G or 5G network, if the wireless ad hoc network radio station is recovered in the detection process, transmitting by using the wireless ad hoc network radio station, otherwise waiting for 4G or 5G signal transmission; the invention provides that when the radio ad hoc network radio station cannot work, the 4G or 5G network is used for transmission, so that the normal transmission of the differential packet in the equipment upgrading process is further ensured.
While certain specific embodiments of the invention have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the invention. Those skilled in the art will also appreciate that many modifications may be made to the embodiments without departing from the scope and spirit of the invention. The scope of the present disclosure is defined by the appended claims.

Claims (10)

1. The data transmission system based on the internet of things technology is characterized by comprising a device group and a cloud service platform, wherein the cloud service platform comprises a processor and a memory storing a computer program, and the device group A= { A 1 ，A 2 ，…，A i ，…，A m }，A i I-th device in the device group, i having a value in the range of 1 to m, m being the number of devices in the device group, when the processor executes the computer program,the method comprises the following steps:
s100, a cloud service platform acquires equipment information corresponding to each equipment in the equipment group, wherein the equipment information at least comprises equipment ID, equipment network signal strength and equipment position coordinates, and all the equipment and the cloud service platform realize data transmission through a 4G or 5G network;
s110, based on the device information corresponding to each device, acquiring a target device list D= { D 1 ，D 2 ，…，D r ，…，D s R target device D r Is the equipment meeting the first preset rule in the equipment group, the value range of r is 1 to s, s is the number of the equipment meeting the first preset rule in the equipment group, and when s is>1, S120 is performed, and when s=1, S130 is performed with the target device in the target device list D as the final device;
s120, calculate A 1 ，A 2 ，…，A i ，…，A m To target device D r Linear transmission distance and S of (2) r And S is combined with 1 To S s The target device corresponding to the minimum value in the network is used as the final device;
s130, transmitting the final device ID to the final device;
s140, receiving device acquisition data transmitted by a final device;
after receiving the final device ID sent by the cloud service platform, the final device executes the following steps:
s150, the final equipment transmits the ID of the final equipment to other equipment except the final equipment in the equipment group, wherein the equipment in the equipment group realizes data transmission through a wireless ad hoc network radio station;
S160，A i will A i The acquired data of (a) is sent to the final equipment after being analyzed, and the final equipment sends A i And uploading the analyzed collected data to a cloud service platform.
2. The system of claim 1, wherein in S160, a i Will A i After analysis, the data collected by the system is sent to the final equipment, and the method further comprises the following steps:
s161, when A i When the second preset condition is met, A i Directly mix A i The acquired data of the data are sent to the final equipment after being analyzed;
s162, when A i When the second preset condition is not satisfied, A is obtained i Corresponding transmissible route list B i ={B i1 ，B i2 ，…，B ij ，…，B in }，B ij Is A i The corresponding j-th transmissible route has j ranging from 1 to n, n being A i Is a number of transportable routes;
s163, obtaining a score list C corresponding to the transmissible route i ={C i1 ，C i2 ，…，C ij ，…，C in }，C ij Is B ij Corresponding score, C ij =k 1 ×（S ij -1）+k 2 ×D ij Wherein S is ij Is B ij Number of devices on D ij Is B ij The sum of the distances of all adjacent two devices, k 1 Is a first preset weight parameter, k 2 Is a second preset weight parameter;
s164, obtain C i0 =min{C i1 ，C i2 ，…，C ij ，…，C in }, C i0 The corresponding transmissible route is taken as a final transmission route;
S165，A i will A i And the acquired data of the data are analyzed and then sent to the final equipment through the final transmission route.
3. The system of claim 1, wherein S120 is replaced with: calculation D r As final device, A 1 To A m The number SU of which meets a second preset condition r And SU is processed 1 To SU s The target device corresponding to the maximum number of the plurality of target devices is used as the final device.
4. The system of claim 2, wherein the second preset condition is device a i The signal to noise ratio is greater than 35db and the data transmission to the final device is performedLess than 75db, the noise floor is greater than-110 dBm and less than-95 dBm.
5. The system of claim 1, wherein the end device ID is a unique identification of the end device.
6. The system of claim 1, wherein the cloud service platform further stores a list of status data and a list of fault types, a in S160 i Will A i The analysis and transmission of the acquired data to the final device comprises the following steps:
s1601, device A i Receiving a state data list, a fault type list and a first query instruction sent by a final device, wherein the state data list, the fault type list and the first query instruction are sent to the final device by a cloud service platform;
S1602，A i analyzing the acquired data based on the state data list and the fault type list to obtain A i A corresponding normal data list and equipment failure warning data;
S1603，A i will A i The corresponding normal data list and device failure warning data are sent to the final device.
7. The system of claim 6, further comprising, after S1603:
s1604, when A i When the data transmission with the final equipment can not be realized through the wireless ad hoc network radio station, the method A is as follows i The corresponding equipment fault warning data is sent to the final equipment through a 4G or 5G network, and whether the wireless ad hoc network radio station is recovered to be normal is periodically monitored according to a first preset monitoring time;
s1605, when the wireless ad hoc network radio station is recovered to be normal, A is carried out i The corresponding normal data list is sent to the end device.
8. The system of claim 6, wherein in S160, the final device will a i Uploading the analyzed collected data to a cloud service platformThe station further comprises:
s90, when the final equipment and the cloud service platform can not realize data transmission through the 4G or 5G network, A is carried out i The corresponding equipment fault warning data are sent to the cloud service platform through satellite communication, and whether the 4G or 5G network of the cloud service platform and the final equipment are normally connected is periodically monitored according to the second preset monitoring time;
s91, after the normal connection of the final equipment and the 4G or 5G network of the cloud service platform is restored, A is carried out i And the corresponding normal data list is sent to the cloud service platform.
9. The system of claim 8, wherein in S90, the method for determining that the final device and the cloud service platform cannot implement data transmission through the 4G or 5G network includes the following steps:
s80, when the final equipment fails to upload data to the cloud service platform, the final equipment sends a second query instruction to the cloud service platform;
s81, when the cloud service platform returns a first reply instruction, the final equipment uploads the equipment fault warning data to the cloud service platform again;
s82, when the cloud service platform returns a second reply instruction, the final equipment performs network residence;
and S83, when the final equipment performs network residence, the network still fails to be connected, namely the final equipment and the cloud service platform cannot realize data transmission through the 4G or 5G network.
10. The system of claim 8, wherein the second predetermined monitoring time is 60s.
CN202310475808.4A 2023-04-28 2023-04-28 Data transmission system based on internet of things technology Active CN116192908B (en)

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