CN114923385B - Wireless through-the-earth communication system - Google Patents
Wireless through-the-earth communication system Download PDFInfo
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- CN114923385B CN114923385B CN202210432354.8A CN202210432354A CN114923385B CN 114923385 B CN114923385 B CN 114923385B CN 202210432354 A CN202210432354 A CN 202210432354A CN 114923385 B CN114923385 B CN 114923385B
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- 230000006854 communication Effects 0.000 title claims abstract description 135
- 238000004891 communication Methods 0.000 title claims abstract description 134
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims description 34
- 238000012544 monitoring process Methods 0.000 claims description 18
- 230000009467 reduction Effects 0.000 claims description 15
- 238000012795 verification Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 11
- 230000008054 signal transmission Effects 0.000 claims description 7
- 238000007405 data analysis Methods 0.000 claims description 5
- 238000005457 optimization Methods 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000001228 spectrum Methods 0.000 description 7
- 238000005422 blasting Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 4
- 230000000977 initiatory effect Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 229910052755 nonmetal Inorganic materials 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/04—Arrangements for ignition
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- 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
Abstract
The invention discloses a wireless through-the-earth communication system, which belongs to the technical field of wireless through-the-earth communication and comprises a ground information display module, wherein the output end of the ground information display module is connected with a ground communication terminal, the ground communication terminal is used for controlling and outputting ground communication signals, and the output end of the ground communication terminal is electrically connected with the input end of a communication base station unit. According to the invention, through the designed communication data tracing unit, the block chain link data can be produced when the control signal is sent out, various tracing information of the corresponding control signal sending and receiving end is recorded, a real-time traceable recording pipeline of the wireless through-the-earth communication signal is realized through the cloud end real-time uploading of the block chain account book, the multi-terminal recording of the signal is realized through the characteristic of the decentralization of the block chain, the tampering of a single position of an operator is avoided, and the safety and traceability of the data communication transmission are improved.
Description
Technical Field
The invention belongs to the technical field of wireless through-the-earth communication, and particularly relates to a wireless through-the-earth communication system.
Background
The coal industry occupies a very important position in the economic construction of China, coal is still the most important fuel, in the coal exploitation process, blasts are needed to be used for blasting in the coal exploitation process, and a communication system is needed to be used in the communication process of blasts in order to ensure the communication safety, but the traditional communication system often cannot meet the stability and safety of the penetration depth requirement of mining area blasting, the phenomenon of information package loss is easy to occur, and the wireless penetration communication processing requirement cannot be well met.
Chinese patent document CN110571505B discloses a through-the-earth wireless communication transmitting antenna array and a through-the-earth wireless communication system employing the same. The transmitting antenna array comprises a bracket, a transmitting antenna unit, a tuning unit, a signal amplifying unit and a signal distributing unit; wherein the bracket comprises a main body supporting structure and a supporting sleeve; the transmitting antenna unit comprises a loading magnetic core, a non-metal supporting cylinder, a radiation coil, a non-metal sleeve, a non-metal inner round cover and an outer round cover; the transmitting antenna units are arranged in the supporting sleeve, the three transmitting antenna units form a first-order array, and the three first-order arrays form a second-order array; the invention realizes the active array transmitting technology of low-frequency signals, has the advantages of miniaturization, light weight, easy erection, high reliability and good maneuverability, and can be used as a transmitting antenna of a through-the-earth wireless communication system and other penetrating communication systems, but in the communication system, the signal transmission lacks corresponding traceability, and the subsequent management traceability of the extracted blasts is easily influenced. And the signal transmission excessively depends on the signal adjusting mechanism, so that the energy consumption is high, and the mining operation is not facilitated.
Disclosure of Invention
The invention aims at: in order to solve the problem that the signal transmission lacks corresponding traceability, the subsequent management traceability of the extracted blasts is easily affected. The wireless through-the-earth communication system is provided, and the signal transmission is excessively dependent on the signal adjusting mechanism, so that the energy consumption is high, and the problem of being unfavorable for mining use is solved.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a wireless communication system that passes through ground, includes ground information display module, ground information display module output is connected with ground communication terminal, ground communication terminal is used for managing and controlling the output to ground communication signal, ground communication terminal output and communication base station unit input electric connection, communication base station unit input and communication data trace back module electric connection, communication base station unit is used for the transmission location to communication information, communication data trace back module is used for tracing back the judgement to communication data, communication base station unit output and pass through ground optimizing unit input electric connection, pass through ground optimizing unit is used for optimizing the noise reduction to passing through ground signal, pass through ground optimizing unit input and pass through ground signal terminal communication connection, pass through ground signal terminal sets firmly and passes through ground signal reception control face for receiving and analyzing.
As a further description of the above technical solution:
the system comprises a ground penetrating signal terminal output end, a terminal self-checking module, a communication working condition, a ground penetrating signal terminal output end, a ground penetrating environment monitoring module, an electric power storage module and a power storage module, wherein the ground penetrating signal terminal output end is electrically connected with the terminal self-checking module input end, the terminal self-checking module is used for detecting the ground penetrating signal terminal channel condition and judging the communication working condition, the ground penetrating signal terminal output end is electrically connected with the ground penetrating environment monitoring module input end, the ground penetrating environment monitoring module is used for detecting the signal surface environment condition, the ground penetrating environment monitoring module input end is electrically connected with the electric power storage module output end, and the electric power storage module is used for supplying power to the ground penetrating signal terminal and the ground penetrating environment monitoring module detection element.
As a further description of the above technical solution:
the device comprises a ground penetrating signal terminal, an information verification judging module, a data analyzing module and an ignition circuit module, wherein the ground penetrating signal terminal is electrically connected with the input end of the information verification judging module, the information verification judging module is used for judging the authenticity of an access signal, the output end of the information verification judging module is electrically connected with the input end of the data analyzing module, the data analyzing module is used for obtaining data information under multiple channels through exclusive or analysis, and the output end of the information verification judging module is electrically connected with the input end of the ignition circuit module and is used for controlling the operation of the ignition circuit after judging the authenticity of the signal.
As a further description of the above technical solution:
the input end of the ground communication terminal is electrically connected with the output end point of the parameter input module, and the parameter input module is used for inputting communication control information.
As a further description of the above technical solution:
the communication base station unit comprises a wireless communication module, wherein the wireless communication module is used for outputting wireless signals, the output end of the wireless communication module is electrically connected with the input end of a base station gateway module, the base station gateway module is used for adjusting signal protocols and signal input, the output end of the base station gateway module is electrically connected with the input end of a base station positioning module, and the base station positioning module is used for positioning base station data and judging signal transmission distances.
As a further description of the above technical solution:
the through-the-earth optimization unit comprises a bandwidth expansion module, wherein the bandwidth expansion module is used for expanding the transmission bandwidth of through-the-earth signals, the output end of the bandwidth expansion module is electrically connected with the input end of the information channel establishment module, the information channel establishment module is used for establishing a plurality of channels for transmission, the output end of the information channel establishment module is electrically connected with the input end of the channel frequency determination module, and the channel frequency determination module is used for determining transmission channels when a plurality of signals are received.
As a further description of the above technical solution:
the input end of the bandwidth expansion module is electrically connected with the output end of the sequence spread spectrum module, the sequence spread spectrum module is used for frequency modulation of information after bandwidth signal expansion, the input end of the sequence spread spectrum module is electrically connected with the output end of the filtering processing module, and the filtering processing module is used for filtering signals in a plurality of output channels.
As a further description of the above technical solution:
the communication data tracing unit comprises a block chain node recording module, the block chain node recording module is used for recording signal generation data, the output end of the block chain node recording module is electrically connected with the cloud end input end of a block chain account book, the cloud end of the block chain account book is used for recording communication data through the cloud end, the cloud end is respectively arranged in a decentralizing mode in each branched chain system, the cloud end input end of the block chain account book is electrically connected with the output end of a block chain updating module, and the block chain updating module is used for announcing generated block chain data and updating cloud end data of the block chain account book.
As a further description of the above technical solution:
the through-the-earth signal terminal comprises an RFID reading module, the input end of the RFID reading module is connected with a signal receiving module, the signal receiving module is used for receiving transmission signals, the output end of the signal receiving module is electrically connected with the input end of the information noise reduction module, the information noise reduction module is used for carrying out noise reduction processing on the received signals, the input end of the information noise reduction module is electrically connected with the output end of the communication timing module, and the communication timing module is used for recording communication time and judging communication delay.
As a further description of the above technical solution:
the RFID reading module is used for near field communication control calibration.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, through the designed communication data tracing unit, the block chain link data can be produced when the control signal is sent out, various tracing information of the corresponding control signal sending and receiving end is recorded, a real-time traceable recording pipeline of the wireless through-the-earth communication signal is realized through the cloud end real-time uploading of the block chain account book, the multi-terminal recording of the signal is realized through the characteristic of the decentralization of the block chain, the tampering of a single position of an operator is avoided, and the safety and traceability of the data communication transmission are improved.
2. According to the invention, through the designed ground penetrating optimization unit, the positioning and tracing of the low-delay channel can be realized through the bandwidth expansion of the communication signal and the multi-channel design of the channel signal, through the multi-channel multi-delay calibration of the signal, the influence on the signal caused by the bandwidth expansion can be reduced through the setting of the filtering processing module, the occupied bandwidth of the verification signal can be reduced through the self-checking capability of the receiving end of the ground penetrating signal terminal, meanwhile, the monitoring of the initiation environment near the terminal can be realized through the ground penetrating environment monitoring module, the full-link pipeline for initiating the initiation signal and ending the starting of the ignition circuit module is realized, the safety and stability of the setting of the terminal are improved, and the use requirement is met
Drawings
Fig. 1 is a system block diagram of a wireless through-the-earth communication system according to the present invention;
fig. 2 is a system block diagram of a communication base station unit of a wireless through-the-earth communication system according to the present invention;
fig. 3 is a system block diagram of a communication data tracing unit of the wireless through-the-earth communication system according to the present invention;
fig. 4 is a block diagram of a through-the-earth signal terminal system of a wireless through-the-earth communication system according to the present invention;
fig. 5 is a system block diagram of a communication data tracing unit of the wireless through-the-earth communication system according to the present invention;
fig. 6 is a block diagram of a through-the-earth signal terminal system of a wireless through-the-earth communication system according to the present invention.
Legend description:
1. the ground information display module; 2. a ground communication terminal; 3. a communication base station unit; 301. a wireless communication module; 302. a base station gateway module; 303. a base station positioning module; 4. a parameter input module; 5. a communication data tracing module; 501. a blockchain node recording module; 502. the block chain account cloud; 503. a blockchain update module; 6. a ground penetrating optimizing unit; 601. a bandwidth expansion module; 602. an information channel establishing module; 603. a sequence spread spectrum module; 604. a channel frequency determination module; 605. a filtering processing module; 7. a through-the-earth signal terminal; 701. an RFID reading module; 702. a signal receiving module; 703. an information noise reduction module; 704. a communication timing module; 8. an information checking and judging module; 9. an ignition circuit module; 10. a transparent environment monitoring module; 11. an electricity storage module; 12. a data analysis module; 13. and a terminal self-checking module.
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 be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a wireless through-the-earth communication system, including ground information display module, ground information display module output is connected with ground communication terminal, ground communication terminal is used for managing and controlling the output to ground communication signal, ground communication terminal output and communication base station unit input electric connection, communication base station unit input and communication data trace module electric connection, communication base station unit is used for the transmission location to communication information, communication data trace module is used for tracing the judgement to communication data, communication base station unit output and through-the-earth optimizing unit input electric connection, through-the-earth optimizing unit is used for optimizing the noise reduction to through-the-earth signal, through-the-earth optimizing unit input and through-the-earth signal terminal communication connection, through-the-earth signal terminal sets firmly through-the-earth signal reception control face for receiving through-the-earth signal and analyzing.
The system comprises a ground penetrating signal terminal output end, a terminal self-checking module, a communication working condition judgment module, a ground penetrating environment monitoring module and a communication working condition judgment module, wherein the ground penetrating signal terminal output end is electrically connected with the terminal self-checking module input end, the terminal self-checking module is used for detecting the ground penetrating signal terminal channel condition, the ground penetrating signal terminal output end is electrically connected with the ground penetrating environment monitoring module input end, and the ground penetrating environment monitoring module is used for detecting the signal surface environment condition, wherein the environment monitoring comprises temperature, humidity, air dust and other information;
the input end of the ground environment monitoring module is electrically connected with the output end of the power storage module, the power storage module is used for supplying power to the ground signal terminal and the detection element of the ground environment monitoring module, and the power storage module selects a 3v-12 power storage battery pack.
The output end of the through-the-earth signal terminal is electrically connected with the input end of the information verification judging module, the information verification judging module is used for judging the authenticity of the access signal, the output end of the information verification judging module is electrically connected with the input end of the data analysis module, the data analysis module is used for obtaining data information under multiple channels through exclusive or analysis, and the optimal information is reserved after the information transmitted by multiple channels passes through delay verification;
the output end of the information verification judging module is electrically connected with the input end of the ignition circuit module and is used for controlling the ignition circuit to work after judging the authenticity of the signal, wherein the ignition circuit is an electric spark plug, and the ignition circuit is obvious to those skilled in the similar field;
the ground communication terminal input end is electrically connected with the parameter input module output end point, the parameter input module is used for inputting communication control information, the communication base station unit comprises a wireless communication module, the wireless communication module is used for outputting wireless signals, the wireless communication module output end is electrically connected with the base station gateway module input end, the base station gateway module is used for adjusting signal protocols and signal input, the base station gateway module output end is electrically connected with the base station positioning module input end, and the base station positioning module is used for positioning base station data and judging signal transmission distances;
the through-the-earth optimization unit comprises a bandwidth expansion module, wherein the bandwidth expansion module is used for expanding the transmission bandwidth of through-the-earth signals, the output end of the bandwidth expansion module is electrically connected with the input end of the information channel establishment module, the information channel establishment module is used for establishing a plurality of channels for transmission, the output end of the information channel establishment module is electrically connected with the input end of the channel frequency determination module, the channel frequency determination module is used for determining the transmission channels when a plurality of signals are received, the input end of the bandwidth expansion module is electrically connected with the output end of the sequence spread spectrum module, the sequence spread spectrum module is used for modulating the frequency of the information after the bandwidth signals are expanded, the input end of the sequence spread spectrum module is electrically connected with the output end of the filtering processing module, and the filtering processing module is used for filtering signals in a plurality of output channels;
the communication data tracing unit comprises a block chain node recording module, wherein the block chain node recording module is used for recording signal generation data, the output end of the block chain node recording module is electrically connected with the cloud end input end of a block chain account book, the cloud end of the block chain account book is used for recording communication data through the cloud end, the cloud ends are respectively arranged in the branch chain systems and are subjected to decentralization setting, the cloud end input end of the block chain account book is electrically connected with the output end of a block chain updating module, the block chain updating module is used for announcing generated block chain data, the cloud end with the block chain account book is mastered to update the cloud end data, the block chain link point is recorded as a chip end to automatically generate data and upload the data, the real node data are traced back at the front end and the rear end of a data chain according to production time and serial number production link data, and other data such as blasting data, blasting operators, blasting object manufacturers and blasting sites in the link are recorded in the data chain through hash encryption and are given to decryption private keys to related operators and supervisory personnel, and the capability of independently calling the sub-chain data is given;
the through-the-earth signal terminal comprises an RFID reading module, the input end of the RFID reading module is connected with a signal receiving module, the signal receiving module is used for receiving transmission signals, the output end of the signal receiving module is electrically connected with the input end of the information noise reduction module, the information noise reduction module is used for carrying out noise reduction processing on the received signals, the input end of the information noise reduction module is electrically connected with the output end of the communication timing module, and the communication timing module is used for recording communication time and judging communication delay.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The wireless through-the-earth communication system comprises a ground information display module (1), and is characterized in that the output end of the ground information display module (1) is connected with a ground communication terminal (2), the ground communication terminal (2) is used for controlling and outputting ground communication signals, the output end of the ground communication terminal (2) is electrically connected with the input end of a communication base station unit (3), the input end of the communication base station unit (3) is electrically connected with a communication data tracing module (5), the communication base station unit (3) is used for transmitting and positioning communication information, the communication data tracing module (5) is used for tracing and judging communication data, the output end of the communication base station unit (3) is electrically connected with the input end of the through-the-earth optimizing unit (6), the through-the-earth optimizing unit (6) is used for optimizing and reducing noise of through-the-earth signals, the input end of the through-the-earth optimizing unit (6) is in communication connection with the through-the-earth signal terminal (7), and the through-the-earth signal terminal (7) is fixedly arranged on a through-the-earth signal receiving control surface and is used for receiving through-the-earth signals and analyzing the through-the-earth signals;
the system comprises a ground penetrating signal terminal (7), a terminal self-checking module (13), a communication working condition judgment module and a power storage module (11), wherein the output end of the ground penetrating signal terminal (7) is electrically connected with the input end of the terminal self-checking module (13), the terminal self-checking module (13) is used for detecting the channel condition of the ground penetrating signal terminal (7) and judging the communication working condition, the output end of the ground penetrating signal terminal (7) is electrically connected with the input end of a ground penetrating environment monitoring module (10), the ground penetrating environment monitoring module (10) is used for detecting the environment condition of a signal surface, the input end of the ground penetrating environment monitoring module (10) is electrically connected with the output end of the power storage module (11), and the power storage module (11) is used for supplying power to the ground penetrating signal terminal (7) and the detection element of the ground penetrating environment monitoring module (10).
The method comprises the steps that the output end of a through-the-earth signal terminal (7) is electrically connected with the input end of an information verification judging module (8), the information verification judging module (8) is used for judging the authenticity of an access signal, the output end of the information verification judging module (8) is electrically connected with the input end of a data analysis module (12), the data analysis module (12) is used for obtaining data information under multiple channels through exclusive or analysis, and the output end of the information verification judging module (8) is electrically connected with the input end of an ignition circuit module (9) and is used for controlling the ignition circuit to work after judging the authenticity of the signal;
the input end of the ground communication terminal (2) is electrically connected with the output end point of the parameter input module (4), and the parameter input module (4) is used for inputting communication control information.
2. The wireless through-the-earth communication system according to claim 1, wherein the communication base station unit (3) comprises a wireless communication module (301), the wireless communication module (301) is configured to output a wireless signal, an output end of the wireless communication module (301) is electrically connected to an input end of a base station gateway module (302), the base station gateway module (302) is configured to perform adjustment of a signal protocol and signal input, an output end of the base station gateway module (302) is electrically connected to an input end of a base station positioning module (303), and the base station positioning module (303) is configured to position base station data and determine a signal transmission distance.
3. The wireless through-the-earth communication system according to claim 1, wherein the through-the-earth optimization unit (6) comprises a bandwidth expansion module (601), the bandwidth expansion module (601) is used for expanding the transmission bandwidth of the through-the-earth signal, an output end of the bandwidth expansion module (601) is electrically connected with an input end of an information channel establishment module (602), the information channel establishment module (602) is used for establishing a plurality of channels for transmission, an output end of the information channel establishment module (602) is electrically connected with an input end of a channel frequency determination module (604), and the channel frequency determination module (604) is used for determining transmission channels when the plurality of signals are received.
4. A wireless through-the-earth communication system according to claim 3, wherein the input end of the bandwidth expansion module (601) is electrically connected to the output end of the sequence expansion module (603), the sequence expansion module (603) is used for modulating the frequency of the information after the bandwidth signal is expanded, the input end of the sequence expansion module (603) is electrically connected to the output end of the filtering processing module (605), and the filtering processing module (605) is used for filtering signals in a plurality of output channels.
5. The wireless through-the-earth communication system according to claim 1, wherein the communication data tracing unit comprises a blockchain node recording module (501), the blockchain node recording module (501) is used for recording signal generation data, an output end of the blockchain node recording module (501) is electrically connected with an input end of a blockchain ledger cloud (502), the blockchain ledger cloud (502) is used for recording communication data through the cloud, the cloud is respectively arranged in a decentralizing manner in each branched chain system, an input end of the blockchain ledger cloud (502) is electrically connected with an output end of a blockchain updating module (503), and the blockchain updating module (503) is used for announcing generated blockchain data and updating cloud data with the blockchain ledger.
6. The wireless through-the-earth communication system according to claim 1, wherein the through-the-earth signal terminal (7) comprises an RFID reading module (701), an input end of the RFID reading module (701) is connected with a signal receiving module (702), the signal receiving module (702) is used for receiving a transmission signal, an output end of the signal receiving module (702) is electrically connected with an input end of an information noise reduction module (703), the information noise reduction module (703) is used for performing noise reduction processing on the received signal, an input end of the information noise reduction module (703) is electrically connected with an output end of a communication timing module (704), and the communication timing module (704) is used for recording communication time to judge communication delay.
7. The wireless through-the-earth communication system of claim 6, characterized in that the RFID reading module (701) is used for near field communication control calibration.
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| CN202210432354.8A CN114923385B (en) | 2022-04-22 | 2022-04-22 | Wireless through-the-earth communication system |
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| CN202210432354.8A CN114923385B (en) | 2022-04-22 | 2022-04-22 | Wireless through-the-earth communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107065710A (en) * | 2017-06-16 | 2017-08-18 | 浙江科技学院 | A kind of vehicle-mounted real-time monitoring system of passive and wireless cold chain transportation based on Internet of Things |
| CN108764719A (en) * | 2018-05-28 | 2018-11-06 | 中国建筑股份有限公司 | Sleeve grouting quality retroactive method, system and acquisition terminal based on block chain |
| CN114244839A (en) * | 2021-12-17 | 2022-03-25 | 深圳市华高智科技有限公司 | Traceability tracking system based on block chain and Internet of things technology |
| CN114279281A (en) * | 2022-01-18 | 2022-04-05 | 北京伊拜科技有限责任公司 | Detonation control method of wireless detonator detonation network |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107065710A (en) * | 2017-06-16 | 2017-08-18 | 浙江科技学院 | A kind of vehicle-mounted real-time monitoring system of passive and wireless cold chain transportation based on Internet of Things |
| CN108764719A (en) * | 2018-05-28 | 2018-11-06 | 中国建筑股份有限公司 | Sleeve grouting quality retroactive method, system and acquisition terminal based on block chain |
| CN114244839A (en) * | 2021-12-17 | 2022-03-25 | 深圳市华高智科技有限公司 | Traceability tracking system based on block chain and Internet of things technology |
| CN114279281A (en) * | 2022-01-18 | 2022-04-05 | 北京伊拜科技有限责任公司 | Detonation control method of wireless detonator detonation network |
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