CN208421281U - A kind of broadband seismograph remote state monitoring system - Google Patents
A kind of broadband seismograph remote state monitoring system Download PDFInfo
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- CN208421281U CN208421281U CN201821049546.6U CN201821049546U CN208421281U CN 208421281 U CN208421281 U CN 208421281U CN 201821049546 U CN201821049546 U CN 201821049546U CN 208421281 U CN208421281 U CN 208421281U
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Abstract
The utility model relates to a kind of broadband seismograph remote state monitoring systems, realize long-range monitoring to the indices of system, comprising: ARM governor circuit, voltage and current detection circuit, power selection circuit is connect after connecting with power-supplying circuit with the input terminal of the ARM governor circuit；Circuit is tested, is connect with the input terminal of the ARM governor circuit, the test for noise pattern and test pattern；GPS radio frequency circuit is connect by RS-232 circuit with the ARM governor circuit；By being communicated between RS-232 circuit and ARM governor circuit；Constant-temperature crystal oscillator circuit is connect with the ARM governor circuit, is standby clock；Server passes through 3G module circuit and the ARM governor circuit communication connection.The problems such as detecting distance caused by the problem in existing structure solved is limited, structural instability, the utility model structure integrated circuit is stablized, and element is common, is easy purchase, and error rate is lower, can be used in rugged environment, realizes remote monitor.
Description
Technical field
The utility model relates to a kind of broadband seismograph remote state monitoring systems, realize to the indices of system remote
Journey monitoring.
Background technique
Broadband seismograph has played important function in earthquake observation and deep field of detecting.Earthquake signal
For frequency usually in direct current to 50Hz or so, low frequency signal components are more, and investigation depth is big.Broadband seismograph, which has, supports three-component
High-precision, wide frequency ranges, Larger Dynamic range signal acquisition intelligent seismic observation system.And acquisition system has
Low noise, low-power consumption and reliable and stable feature.The deficiency of most of exploration class seismic instruments is compensated for a certain extent, it is full
The foot demand of researcher, has complied with the development trend of seismic prospecting.
Broadband seismograph is mainly used under remote districts and complex environment, is capable of the work shape of real-time monitoring system
State just seems particularly important.The status monitoring of current broadband seismograph acquisition station works as low coverage by WiFi communication
When from acquisition station is monitored and controlled, presence states can be carried out by WiFi after the completion of operation by opening WiFi wireless communications mode
Monitoring, this structure has good real-time, but the distance monitored is limited.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of broadband seismograph remote state monitoring system,
The problems such as detecting distance caused by the problem in existing structure solved is limited, structural instability.
The utility model is realized in this way a kind of broadband seismograph remote condition monitoring circuit, circuit include:
ARM governor circuit is control core；
Voltage and current detection circuit, detection voltage range are connect with the input terminal of ARM governor circuit；
Power selection circuit is connect after connecting with power-supplying circuit with the input terminal of the ARM governor circuit；
Circuit is tested, is connect with the input terminal of the ARM governor circuit, the test for noise pattern and test pattern；
GPS radio frequency circuit is connect by RS-232 circuit with the ARM governor circuit；Pass through RS-232 circuit and ARM master
It is communicated between control circuit；
Constant-temperature crystal oscillator circuit is connect with the ARM9 governor circuit, is standby clock；
CF card read/write circuit is connect, for storing information with the ARM9 governor circuit；
Server passes through 3G module circuit and the ARM governor circuit communication connection.
Further, the CF card read/write circuit is that the shared data of two CF cards are total using double CF card storage organizations
Line, data/address bus are buffered by model 74ALVC16245 buffer.
Further, the power selection circuit uses model MAX1538 electric power selection apparatus.
Further, the GPS radio frequency circuit uses LEA-6T-0-001 GPS chip, the LEA-6T-0-001 GPS
Chip is communicated by RS-232 bus with ARM governor circuit.
Further, the constant-temperature crystal oscillator circuit is using TC20 series, frequency 32.76800MHz.
Further, ARM9 governor circuit selects the AT91RM9200 processor of Atmel company.
Compared with prior art, beneficial effect is the utility model: the utility model structure integrated circuit is stablized, element
It is common, it is easy purchase, error rate is lower, can be used in rugged environment, realizes remote monitor.
Detailed description of the invention
Fig. 1 broadband seismograph remote state monitoring system structural block diagram；
Fig. 2 is the circuit diagram of voltage range observation circuit, and wherein 2a, 2b and 2c are successively are as follows: current monitoring electricity
Road, electric voltage observation circuit and power control circuit；
Fig. 3 is the circuit diagram of power selection circuit；
Fig. 4 is the circuit diagram of GPS radio frequency circuit；
Fig. 5 is the circuit diagram of constant-temperature crystal oscillator circuit；
1. power-supplying circuit, 2. voltage range observation circuits, 3. power selection circuits, 4. test circuits, 5.GPS radio frequency
Circuit, 6.RS-232 circuit, 7. constant-temperature crystal oscillator circuits, 8.CF card read/write circuit, 9.ARM governor circuit, 10.3G modular circuit.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain that this is practical
It is novel, it is not used to limit the utility model.
Referring to Fig. 1, the utility model broadband seismograph remote state monitoring system includes: ARM governor circuit,
For control core；Voltage and current detection circuit 2, detection voltage range are connect with the input terminal of ARM governor circuit 9；
Power selection circuit 3 is connect after connecting with power-supplying circuit with the input terminal of the ARM governor circuit 9；Test electricity
Road 4 is connect, the test for noise pattern and test pattern with the input terminal of the ARM governor circuit 9；GPS radio frequency circuit 5,
It is connect by RS-232 circuit 6 with the ARM governor circuit 9；By being led between RS-232 circuit 6 and ARM governor circuit 9
Letter；Constant-temperature crystal oscillator circuit 7 is connect with the ARM governor circuit 9, is standby clock；CF card read/write circuit 8, with the ARM master
It controls circuit 9 to connect, for storing information；Server passes through 3G module circuit 10 and 9 communication connection of ARM governor circuit.Also
Including terminal, the terminal and server network are communicated, and the terminal is mobile phone or computer.
System is by integrated 3G module (HUAWEI MU709S) by seismographic status data according to the agreement editted
Periodic transmission into server, wherein seismographic status data include the operating status of current system, the electric power thus supplied of power supply,
The remaining space etc. of CF card.
Power-supplying circuit 1 is connect with voltage range observation circuit 2, voltage range observation circuit 2 and ARM governor circuit 9
Connection, governor circuit can in real time acquisition voltage range observation circuit output data, and then realize to power source supplying voltage
Monitoring.Power-supplying circuit 1 is connect with power selection circuit 3, and power selection circuit 3 is connect with ARM governor circuit 9, broadband
, can be there are three types of power supply mode in seismic detector, as system built-in lithium battery is powered, external lead-acid battery is powered, external switch
Power supply power supply, there are priority, i.e. external switch power supply power supply-external lead-acid battery power supply-system for these three power supply modes
Built-in lithium battery power supply, governor circuit can monitor the current power supply mode of system.
Test circuit 4 is connect with ARM governor circuit 9, after system restarting, governor circuit control test circuit difference
The test of noise pattern and test pattern is carried out, to determine whether system is working properly, while master control system can monitor to survey
Test result.
GPS radio frequency circuit 5 is connect with RS-232 circuit 6, and RS-232 circuit 6 is connect with ARM governor circuit 9, GPS radio frequency electricity
Road between RS-232 circuit and ARM governor circuit by being communicated, when realizing the record of own location information and obtain accurate
Mark.Constant-temperature crystal oscillator circuit 7 is connect with ARM governor circuit 9, and GPS signal is blocked by barrier, leads to clocking error, will be high-precision
Spend constant-temperature crystal oscillator as system reserve clock, with ensure seismic events it is timely, be like clockwork recorded.
CF card read/write circuit 8 is connect with ARM governor circuit 9, and system as blocks 1, card 2, together using double CF card storage organizations
One time only one of which CF card is in running order, and governor circuit realizes the reading and writing data to CF card by read/write circuit,
The space service condition that card can be read can according to need when one of CF card writes full and switch to another CF card.
ARM governor circuit 9 is connect with 3G module circuit 10, power supply power supply situation that governor circuit will acquire, system
The information such as test result, GPS positioning and markers situation, the working condition of CF card are sent to server by 3G module circuit.
It is the circuit diagram of voltage range observation circuit 2, successively are as follows: current monitoring referring to fig. 2 shown in a, 2b and 2c
Circuit, electric voltage observation circuit and power control circuit, wherein voltage input of the end Fig. 2 a LDO as TL431 chip U9, wherein
The end LDO is the power pin of MAX1909 chip in system charging circuit.TL431 chip is a commonly with high performance-price ratio
Shunt voltage reference, in Fig. 2 a, the circuit that is designed according to the typical connection of TL431 chip.LM2903 chip is a double
Voltage comparator is had the characteristics that high-precision, low-power consumption, is divided, obtained more stable to LED_VCC using bleeder circuit
An input terminal of the reference voltage value as comparator, the other end of comparator all meets the MAX1909 in battery charger
The input current monitor IINP pin of chip, to judge whether charging is normal.
The end TL431 U4 is incited somebody to action by the input voltage pressure stabilizing of 3.3V at+2.5V reference voltage by a bleeder circuit in Fig. 2 b
Reference voltage becomes 4 voltage values, non-inverting input terminal of the 4 obtained voltage values as voltage comparator, same cell voltage
It is also that corresponding 4 voltage values are obtained by bleeder circuit, it, in this way can be with using it as the inverting input terminal of 4 comparators
The range of system voltage is monitored by output, that is, VOUT1 ~ VOUT4 of voltage comparator.
Chip LTC2953-1 is a key switch controller in Fig. 2 c, and power supply is managed by key, system electricity
Source switch is triggered by the enabled output pin of the controller.
Shown in Figure 3, power selection circuit is that the typical application circuit of the MAX1538 provided according to Maxim is set
Meter.In multi-power system, the electric power selection apparatus with selection function is MAX1538, which can be based on three kinds
The charged state of the presence of power supply and each battery is selected between DC adapter and double cell.In the present system, lead to
Power selection circuit is crossed to control power supply.Due to system can use three kinds of power supply modes, i.e., external switch power supply,
External lead-acid battery, built-in lithium battery, by circuit provided with priority power, i.e., external switch power supply > outside lead-acid battery >
Built-in lithium battery.
In the present embodiment, differential input signal is converted into single-ended signal using subtractor circuit by test circuit, is added simultaneously
Model TS5A22362 has the analog switch of two-way selection function, by the work of System Programming selection earthquake measurement trial signal
Operation mode has noise test and signal testing both of which can choose.For custom circuit, not reinflated specific circuit herein
The introduction of principle.
In the present embodiment, GPS radio frequency circuit selects the LEA-6T-0-001 GPS chip of U-BLOX company referring to fig. 4,
GPS and peripheral circuit composition module communicated by the RS-232 bus of standard with ARM, with obtain the precision time service time with
Location information.
In the present embodiment, referring to Fig. 5 constant-temperature crystal oscillator circuit, the crystal oscillator used is for TC20 series, frequency
32.76800MHz enables spare constant-temperature crystal oscillator and obtains precise time label when GPS search failure, with ensure seismic events and
When, be recorded like clockwork.
In the present embodiment, to meet a large amount of data storage, system can be inserted simultaneously using double CF card data store organisations
Enter two CF cards.Two CF cards share a data/address bus, and data/address bus is buffered by 74ALVC16245 buffer, and
Address bus is buffered by 74HC245, is realized the control to two CF cards using two panels 74HC245, is passed through control
The piece choosing of 74HC245 to carry out data read-write operation to any one CF card, if one of CF card is as needed when writing full
Switch to another CF card.
ARM9 governor circuit is the key control unit of system in the present embodiment, and microcontroller selects Atmel company
AT91RM9200 processor, internal operation embedded Linux system can be improved using FAT32 format memory data file and are
The convenience of file transmission and interaction between system.The microcontroller that this system uses simultaneously has a large amount of standard communication interface, such as
SPI, USB etc..Power consumption can also can be made to significantly reduce with dynamic optimization performance by needing to select different clock frequencies, into
And improve the comprehensive performance of whole system.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. a kind of broadband seismograph remote state monitoring system, which is characterized in that circuit includes:
ARM governor circuit is control core；
Voltage and current detection circuit, detection voltage range are connect with the input terminal of ARM governor circuit；
Power selection circuit is connect after connecting with power-supplying circuit with the input terminal of the ARM governor circuit；
Circuit is tested, is connect with the input terminal of the ARM governor circuit, the test for noise pattern and test pattern；
GPS radio frequency circuit is connect by RS-232 circuit with the ARM governor circuit；Pass through RS-232 circuit and ARM master control electricity
It is communicated between road；
Constant-temperature crystal oscillator circuit is connect with the ARM governor circuit, is standby clock；
CF card read/write circuit is connect, for storing information with the ARM governor circuit；
Server passes through 3G module circuit and the ARM governor circuit communication connection.
2. system described in accordance with the claim 1, which is characterized in that the CF card read/write circuit uses double CF card storage organizations,
A data/address bus is shared for two CF cards, data/address bus is buffered by the buffer of model 74ALVC16245 chip.
3. system described in accordance with the claim 1, which is characterized in that the power selection circuit is using model MAX1538 electricity
Source selector.
4. system described in accordance with the claim 1, which is characterized in that the GPS radio frequency circuit uses LEA-6T-0-001GPS core
Piece, the LEA-6T-0-001GPS chip are communicated by RS-232 bus with ARM governor circuit.
5. system described in accordance with the claim 1, which is characterized in that the constant-temperature crystal oscillator circuit is serial using TC20, and frequency is
32.76800MHz。
6. system described in accordance with the claim 1, which is characterized in that the AT91RM9200 of ARM governor circuit selection Atmel company
Processor.
7. system described in accordance with the claim 1, which is characterized in that the circuit further includes terminal, the terminal and server
Network communication, the terminal are mobile phone or computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821049546.6U CN208421281U (en) | 2018-07-04 | 2018-07-04 | A kind of broadband seismograph remote state monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821049546.6U CN208421281U (en) | 2018-07-04 | 2018-07-04 | A kind of broadband seismograph remote state monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN208421281U true CN208421281U (en) | 2019-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821049546.6U Expired - Fee Related CN208421281U (en) | 2018-07-04 | 2018-07-04 | A kind of broadband seismograph remote state monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078333A (en) * | 2020-10-15 | 2020-12-15 | 哈尔滨盛世康虹生物技术有限公司 | Intelligent water-wind integrated automobile-mounted heater |
-
2018
- 2018-07-04 CN CN201821049546.6U patent/CN208421281U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078333A (en) * | 2020-10-15 | 2020-12-15 | 哈尔滨盛世康虹生物技术有限公司 | Intelligent water-wind integrated automobile-mounted heater |
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