CN208860968U - A kind of transmission of seismic data device based on double-frequency wireless network - Google Patents
A kind of transmission of seismic data device based on double-frequency wireless network Download PDFInfo
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- CN208860968U CN208860968U CN201821607887.0U CN201821607887U CN208860968U CN 208860968 U CN208860968 U CN 208860968U CN 201821607887 U CN201821607887 U CN 201821607887U CN 208860968 U CN208860968 U CN 208860968U
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Abstract
The utility model relates to a kind of transmission of seismic data devices based on double-frequency wireless network, the device is by 2.4GHz wireless communication module, 5.8GHz wireless communication module and seismic detector node are constituted, wherein 2.4GHz wireless communication module forms main AP, from AP, the ethernet module of seismic detector intra-node is connect with 5.8GHz wireless communication module for 5.8GHz wireless communication module and 2.4GHz wireless communication module composition.Main AP and from by 2.4GHz wireless network connection, passing through 5.8GHz wireless network connection between AP and seismic detector node between AP.Transmission of seismic data device of the utility model based on double-frequency wireless network, it uses 5.8GHz wireless network to cover earthquake etiquette point, enhance anti-interference of the seismic detector node within the scope of public domain, communication between relay node is made using 2.4GHz wireless network, both the distance of transmission of seismic data can have been increased, power consumption and cost, engineering application value with higher can be reduced again.
Description
Technical field
The utility model belongs to the transmission of seismic data technical field in geophysical exploration, in particular to a kind of based on double
The transmission of seismic data device of frequency wireless network.
Background technique
With the increasingly differentiation of wireless communication technique, great variety is also had occurred in transmission of seismic data technology therewith, from
Wire transmission gradually develops as wireless transmission.Currently, the wireless data transmission technology of comparative maturity is the earthquake number based on WLAN
According to transmission technology, mainly 2.4GHz or 5.8GHz frequency range is used to be communicated.
Since 2.4GHz frequency band signals frequency is low, decaying is smaller when propagating in air or barrier, in identical transmitting function
It is more farther than 5.8GHz frequency band signals propagation distance under rate, but 2.4GHz frequency band signals frequency bandwidth is relatively narrow, and belongs to open frequency range,
Existing many wireless devices all work in the frequency range, for example are integrated with bluetooth module or the equipment equipped with WiFi module, thus
The wireless signal that the frequency range generates within the scope of public domain is more, interferes larger.5.8GHz frequency range belongs to what country newly opened
Radio frequency band, work is few in the equipment of the frequency range, and the interference of generation is smaller, so that transmitting terminal or the signal of receiving end are stronger,
But due to the signal frequency of 5.8GHz frequency range height, loss of signal decaying is larger, to expand signal communication range, needs
Transmission power is adjusted, had not only increased the power consumption of Transmission system, but also improve the cost of Transmission system.
The HAWK node type seismic detector that Inova company released in 2012, the seismic detector use 802.11b agreement
WiFi module transmits seismic data using the wireless signal of 2.4GHz frequency range, transmission range farther out, but anti-interference energy
Power is weaker.
Chinese patent CN205490534U discloses a kind of untethered seismographic data transmission device based on WLAN, the dress
It sets and is carried out data transmission using 5.8GHz frequency range, compared with using the device of 2.4GHz band communication, increasing transmission power
In the case of, communication distance is improved by original tens meters to more than 200 meters to 1000 meters or so, speed also by original 300~
400KBit/s is improved to 2 present~1.5MBit/s, and the wireless communication distance and speed of the device are promoted obvious.
Therefore, the prior art within the scope of public domain use 2.4GHz band transmissions when, due to seismic detector node and from
The signal of AP is all submerged in stronger electromagnetic interference, so that connection difficulty, and communication distance serious curtailment are established in both ends；
When using 5.8GHz band transmissions, needs to improve the transimission power of seismic detector node and each end AP, cause the cost of whole system
It is multiplied with power consumption.
Summary of the invention
The purpose of this utility model is that in view of the above shortcomings of the prior art, is proposed a kind of based on double-frequency wireless network
Transmission of seismic data device, which builds communication network using the wireless communication modules of two kinds of frequency ranges of 2.4GHz and 5.8GHz
Carry out data transmission, 5.8GHz frequency band network realizes the covering to all seismic detector nodes, enhances seismic detector node access networks
The anti-interference of network, 2.4GHz frequency band network realize the data transmission between relay node, ensure that the remote of seismic data
It transmits, and expands the wireless network coverage at seismic prospecting scene using the network topology structure of master and slave AP.This is practical
The novel transmission range and transmission speed that not only ensure that wireless seismic data Transmission system, but also enhance wireless seismic data transmission
The anti-interference of system, and reduce the power consumption and cost of Transmission system, engineering application value with higher.
The purpose of this utility model is achieved through the following technical solutions:
A kind of transmission of seismic data device based on double-frequency wireless network, by 2.4GHz wireless communication module, 5.8GHz without
Line communication module and seismic detector node are constituted, and wherein 2.4GHz wireless communication module forms main AP, 5.8GHz wireless communication module
It forms with 2.4GHz wireless communication module from AP, the ethernet module and 5.8GHz wireless communication module of seismic detector intra-node
Connection.Main AP and respectively carried out data transmission between AP by building 2.4GHz frequency range wireless network, from AP and seismic detector node
Between carried out data transmission by building 5.8GHz frequency range wireless network, thus constitute complete set wireless seismic data transmission
System.
The main AP is made of 2.4GHz wireless communication module, which has mainly used Qualcomm Atheros company
QCA9563 processor, which is a highly integrated and feature-rich 2.4GHz wireless communication system chip, should
Module have 3 2.4GHz antennal interfaces, maximum transmission power 23dBm, external 2.4GHz antenna, antenna gain 13dB,
And antenna is increased to 3 meters or so, communication distance is tested up to 800m, communication protocol 802.11b/g/n, maximum transmission rate
Up to 450Mbps；
It is described to be made of from AP 5.8GHz wireless communication module and 2.4GHz wireless communication module.2.4GHz radio communication mold
Block is identical as main AP wireless module；5.8GHz wireless communication module has used the QCA9882 core of Qualcomm Atheros company
Piece, the chip are a highly integrated wireless communication system chips, and suitable for the wireless network application of 5.8GHz, the module is most
Big transmission power is 27dBm, communication protocol 802.11ac, using 2*2MIMO antenna technology, external 5.8GHz antenna, and antenna
Gain 13dB, and antenna is increased to 3 meters or so, test communication distance is about 800m, and maximum transmission rate is up to 867Mbps；
Described be mainly responsible for from AP builds 2.4GHz cordless communication network with main AP, with seismic detector node build 5.8GHz without
Line communication network, and carry out the data interaction between 2.4GHz and 5.8GHz frequency range；
The seismic detector node is made of control unit, data acquisition unit, wireless transmission unit and power supply unit,
Middle control unit is deposited by STM32F429 processor module, CPLD module, GPS time service module, ethernet module and SD card data
Store up module composition；Data acquisition unit is made of the 3 channel data acquisition modules that 32 ADS1282 are formed；Wireless transmission unit
It is made of WiFi control module and 5.8GHz wireless communication module；Power supply unit is made of power supply module and voltage transformation module；
5.8GHz antenna built in seismic detector node, antenna gain 5dB；
In the seismic detector node, the ethernet module phase of the WiFi control module and control unit of wireless transmission unit
Even, 3 channel data acquisition modules of data acquisition unit are connected with the CPLD module of control unit, and power supply unit is responsible for other
Each unit power supply；
The seismic detector node is mainly responsible for acquisition and storage seismic data, and collected seismic data is passed through wirelessly
Transmission unit is sent to from AP.
The above-mentioned transmission of seismic data device based on double-frequency wireless network, main purpose are to build real-time Data Transmission system
System, the seismic survey area that covering radius is 1500 meters, the specific steps are as follows:
A, exploration scene lay * type survey line, number 1-6 survey line, along each survey line from 100 meters of of distance center point to
Outside every 100 meters of layings, one seismic detector node, 15 seismic detector nodes of every Hydrographic General Line lay 90 altogether；
B, it is laid in the equilateral triangle centroid of 12,34,56 surveys line composition respectively from AP, lays 3 altogether from AP, earthquake
The slave AP access that etiquette point preferentially selects distance nearest；
C, lay main AP in the center of * type survey line, lay a main AP altogether, main AP connection from the quantity of AP be 3
It is a；
D, main AP builds 2.4GHz cordless communication network with from AP, and 800 meters of communication distance or so, from AP and seismic detector node
Build 5.8GHz cordless communication network, 800 meters of communication distance or so, to realize 1500 meters of the radius detections to exploration scene
Local Area Network covering.
E, experimental result display control center can carry out instruction sum number at a distance by Transmission system and seismic detector node
According to interaction, and the performance of the Transmission system device is stablized, and the demand at microseism Fracturing Monitoring scene is met.
Compared with prior art, the utility model has the beneficial effects that: the utility model using 2.4GHz frequency range and
The mode that 5.8GHz frequency range combines realizes transmission of seismic data, i.e., main AP and is counted between AP by 2.4GHz frequency range
According to transmission, carried out data transmission between AP and seismic detector node by 5.8GHz frequency range, can both have been guaranteed between relay node
Remote transmission, and can guarantee seismic detector node with from the data of AP transmit not by the interference of other communication equipments, both mentioned
The high stability of Transmission system, and reduce the power consumption and cost of system.
Detailed description of the invention
Fig. 1 is the transmission of seismic data device block diagram based on double-frequency wireless network；
Fig. 2 is seismic detector intra-node structural schematic diagram；
Fig. 3 is wireless transmission unit structural schematic diagram；
Fig. 4 is main AP schematic diagram of internal structure；
Fig. 5 is from AP schematic diagram of internal structure.
Specific embodiment
The utility model provides a kind of transmission of seismic data device based on double-frequency wireless network.In order to keep this practical new
The objects, technical solutions and advantages of type are more clearly understood, and carry out specifically below in conjunction with Figure of description to the utility model
It is bright.
As shown in Figure 1, the transmission of seismic data device based on double-frequency wireless network, by 2.4GHz wireless communication module,
5.8GHz wireless communication module and seismic detector node are constituted, and wherein 2.4GHz wireless communication module forms main AP, and 5.8GHz is wireless
Communication module and 2.4GHz wireless communication module are formed from AP, the ethernet module and 5.8GHz channel radio of seismic detector intra-node
Believe module connection.Main AP and carried out data transmission between AP by building 2.4GHz multiband wireless communications network, from AP and ground
Carried out data transmission between shake etiquette point by building 5.8GHz multiband wireless communications network, to constitute the earthquake of complete set
Data transmission system.It seismic detector node, main AP and is determined from the particular number of AP according to the actual conditions at seismic prospecting scene.
As shown in Fig. 2, seismic detector node is by control unit, data acquisition unit, wireless transmission unit and power supply unit
Composition, wherein main control unit is by STM32F429 processor module, CPLD module, GPS time service module, ethernet module and SD
Card data memory module is constituted；Data acquisition unit is made of the 3 channel data acquisition modules that 32 ADS1282 are formed；Wirelessly
Transmission unit is made of WiFi control module and 5.8GHz wireless communication module；Power supply unit is by power supply module and voltage modulus of conversion
Block is constituted；The WiFi control module of wireless transmission unit is connected with the ethernet module of control unit, and the 3 of data acquisition unit
Channel data acquisition module is connected with the CPLD module of control unit, and power supply unit is responsible for powering to other each units；Seismic detector
Node is mainly responsible for acquisition and storage seismic data, and by collected seismic data by wireless transmission unit, be sent to from
AP。
As shown in figure 3, wireless transmission unit is made of WiFi control module and 5.8GHz wireless communication module, wherein WiFi
Control module is by control chip QCA9563, Ethernet interface and PCIe interface composition；5.8GHz wireless communication module by
QCA9882 5.8GHz chip, PCIe controller, 40MHz crystal oscillator, bandpass filter, front-end module and 5.8GHz antennal interface group
At；Wherein, WiFi control module is connected with 5.8GHz wireless communication module by PCIe interface, and WiFi control module passes through ether
Network interface is connect with the ethernet module of the control unit of seismic detector node, 5.8GHz WiFi communication module maximum transmission power
For 27dBm, communication protocol 802.11ac, using 2*2MIMO antenna technology, maximum transmission rate is up to 867Mbps.
As shown in figure 4, main AP is made of 2.4GHz wireless communication module and WiFi control module, wherein 2.4GHz channel radio
Believe module by RF front-end module, 2.4GHz antenna and wireless radio frequency modules composition, communications band 2.4GHz, emission maximum
Power is 23dBm, and farthest communication distance is 800m, communication protocol 802.11b/g/n, and maximum transmission rate is reachable
450Mbps；WiFi control module is made of control chip QCA9563 and PCIe interface.
As shown in figure 5, from AP by 2.4GHz WiFi transmission module, 5.8GHz WiFi transmission module and WiFi control module group
At wherein 2.4GHz WiFi transmission module is by radio-frequency front-end (RF Front End), 2.4GHz antenna and wireless radio frequency modules group
At maximum transmission power 23dBm, farthest communication distance is 800m, communication protocol 802.11b/g/n, highest transmission speed
Rate is up to 450Mbps；Wherein 5.8GHz WiFi communication module is by 5.8GHz network interface card QCA9882, PCIe controller, 40MHz crystalline substance
Vibration, bandpass filter (Band-Pass Filter, BPF), front-end module (Front-End Module, FEM) and 5.8GHz days
Line composition；Wherein, WiFi control module is connected with 5.8GHz WiFi communication module by PCIe interface, 5.8GHz WiFi communication
Module maximum transmission power is 27dBm, and farthest communication distance is 800m, communication protocol 802.11ac, using 2*2MIMO skill
Art, maximum transmission rate is up to 867Mbps.
The above-mentioned transmission of seismic data device based on double-frequency wireless network, main purpose are to build real-time Data Transmission system
System, the seismic survey area that covering radius is 1500 meters, the specific steps are as follows:
A, exploration scene lay * type survey line, number 1-6 survey line, along each survey line from 100 meters of of distance center point to
Outside, every 100 meters of layings, one seismic detector node, 15 seismic detector nodes of every Hydrographic General Line lay 90 altogether；
B, it is laid in the equilateral triangle centroid of 12,34,56 surveys line composition respectively from AP, lays 3 altogether from AP, earthquake
The slave AP access that etiquette point preferentially selects distance nearest；
C, lay main AP in the center of * type survey line, lay a main AP altogether, main AP connection from the quantity of AP be 3
It is a；
D, main AP builds 2.4GHz cordless communication network with from AP, and 800 meters of communication distance or so, from AP and seismic detector node
Build 5.8GHz cordless communication network, 800 meters of communication distance or so, to realize 1500 meters of the radius detections to exploration scene
Local Area Network covering.
E, experimental result display control center can carry out instruction sum number at a distance by Transmission system and seismic detector node
According to interaction, and the performance of the Transmission system device is stablized, and the demand at microseism Fracturing Monitoring scene is met.
The utility model provides a kind of transmission of seismic data device based on double-frequency wireless network, build 5.8GHz without
Gauze network covers earthquake etiquette point, enhance seismic detector node at the regional level in anti-interference, build 2.4GHz
Wireless network makees the communication between relay node, can not only increase the distance of transmission of seismic data, but also can reduce power consumption and cost,
Engineering application value with higher.
Claims (3)
1. a kind of transmission of seismic data device based on double-frequency wireless network, it is characterised in that: by 2.4GHz wireless communication module,
5.8GHz wireless communication module and seismic detector node are constituted, and wherein 2.4GHz wireless communication module forms main AP, and 5.8GHz is wireless
Communication module and 2.4GHz wireless communication module are formed from AP, the ethernet module and 5.8GHz channel radio of seismic detector intra-node
Believe module connection；Main AP and respectively carried out data transmission between AP by building 2.4GHz frequency range wireless network, from AP and earthquake
Carried out data transmission between etiquette point by building 5.8GHz frequency range wireless network；Described be mainly responsible for from AP is built with main AP
2.4GHz cordless communication network builds 5.8GHz cordless communication network with seismic detector node, and carries out 2.4GHz and 5.8GHz frequency
Data interaction between section；
The seismic detector node is made of control unit, data acquisition unit, wireless transmission unit and power supply unit, wherein controlling
Unit processed stores mould by STM32F429 processor module, CPLD module, GPS time service module, ethernet module and SD card data
Block is constituted；Data acquisition unit is made of the 3 channel data acquisition modules that 32 ADS1282 are formed；Wireless transmission unit by
WiFi control module and 5.8GHz wireless communication module are constituted；Power supply unit is made of power supply module and voltage transformation module；Ground
Shake 5.8GHz antenna built in etiquette point, antenna gain 5dB；
The WiFi control module of the wireless transmission unit is connected with the ethernet module of control unit, and the 3 of data acquisition unit
Channel data acquisition module is connected with the CPLD module of control unit, and power supply unit is responsible for powering to other each units；Describedly
Shake etiquette point is mainly responsible for acquisition and storage seismic data, and collected seismic data is sent by wireless transmission unit
Extremely from AP.
2. a kind of transmission of seismic data device based on double-frequency wireless network according to claim 1, it is characterised in that: institute
It states main AP to be made of 2.4GHz wireless communication module, which has 3 2.4GHz antennal interfaces, and maximum transmission power is
23dBm, external 2.4GHz antenna, antenna gain 13dB, and antenna is increased to 3 meters or so, test communication distance is reachable
800m, communication protocol 802.11b/g/n, maximum transmission rate is up to 450Mbps.
3. a kind of transmission of seismic data device based on double-frequency wireless network according to claim 1, it is characterised in that: institute
State and formed from AP by 5.8GHz wireless communication module and 2.4GHz wireless communication module, 2.4GHz wireless communication module and main AP without
Wire module is identical；5.8GHz wireless communication module maximum transmission power is 27dBm, communication protocol 802.11ac, using 2*
2MIMO antenna technology, external 5.8GHz antenna, antenna gain 13dB, and antenna is increased to 3 meters or so, test communication distance
About 800m, maximum transmission rate is up to 867Mbps.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113296164A (en) * | 2021-04-13 | 2021-08-24 | 湖南奥成科技有限公司 | Wireless real-time transmission node type seismograph system and synchronous calibration method |
-
2018
- 2018-09-29 CN CN201821607887.0U patent/CN208860968U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113296164A (en) * | 2021-04-13 | 2021-08-24 | 湖南奥成科技有限公司 | Wireless real-time transmission node type seismograph system and synchronous calibration method |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20190514 Termination date: 20200929 |