CN211878199U - Same-region earthquake acquisition excitation control device - Google Patents
Same-region earthquake acquisition excitation control device Download PDFInfo
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- CN211878199U CN211878199U CN202020057349.XU CN202020057349U CN211878199U CN 211878199 U CN211878199 U CN 211878199U CN 202020057349 U CN202020057349 U CN 202020057349U CN 211878199 U CN211878199 U CN 211878199U
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Abstract
The utility model provides a with regional seismic acquisition arouses controlling means, this with regional seismic acquisition arouses controlling means includes the connector, time-recorder and controller, this time-recorder is installed in many seismograph host computers of same region, it explodes the system excitation time window and opens and end to provide the distant in the time of regulation, distant explodes the system and connects respectively in this connector with many seismograph host computers of region, this controller is connected with the connector, this controller receives the excitation time window that this time-recorder provided through this connector and opens and end the information, and open and end the information according to arousing the time window, control distant system of exploding, make it forbidden arousing outside arousing the time window. The same-region seismic acquisition excitation control device is convenient to install, simple to operate, capable of being popularized and applied to each seismic instrument for seismic exploration and high in application prospect.
Description
Technical Field
The utility model relates to a geophysical exploration and development technical field especially involves a with regional earthquake acquisition excitation control device.
Background
In seismic exploration construction, two adjacent exploration blocks are deployed at the same time frequently. When two blocks are started to be constructed simultaneously, seismic waves excited by any side may interfere with seismic data acquisition of the other side, and in order to avoid the above situations, time-division construction is adopted to avoid mutual interference at present. However, when the distance between the two exploration project construction areas is equal to or greater than the product of the seismic acquisition recording length and the seismic direct arrival wave velocity, a time-sharing construction method is also adopted, so that the daily production efficiency is influenced, and the construction progress is influenced.
Application No. 201620730740.5 provides a seismic source excitation and seismic data acquisition synchronization testing apparatus, comprising: the conversion module is provided with a first signal input end and a second signal input end and can respectively convert a seismic source excitation signal received by the first signal input end and a seismic data acquisition starting signal received by the second signal input end into a first digital signal and a second digital signal; the warning module is used for sending out a warning signal; the processing module is electrically connected with the conversion module; the processing module can receive the first digital signal and the second digital signal and obtain a first time signal of a seismic source excitation signal and a second time signal of an initially received seismic data acquisition starting signal; the processing module is used for controlling the warning module to send out a warning signal when the difference value between the second time signal and the first time signal is greater than a preset threshold value. The device can accurately judge whether the seismic source excitation signal and the seismic data acquisition are synchronous or not. Technical scheme and the technical problem that will solve and the beneficial effect who produces of its open technology all with the utility model discloses inequality, to the utility model discloses more technical characteristics and the technical problem and the beneficial effect that will solve, above open technical document all do not have the technological inspiration. Therefore, a novel same-region seismic acquisition excitation control device is invented, and the technical problems are solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can effectively improve the earthquake and gather the ageing, shorten construction cycle, practice thrift construction cost's with regional earthquake acquisition excitation control device.
The purpose of the utility model can be realized by the following technical measures: the same-region earthquake acquisition and excitation control device comprises a connector, a timer and a controller, wherein the timer is installed in a plurality of seismograph hosts in the same region and provides the starting and ending of a remote explosion system excitation time window within a specified time, the remote explosion system and the plurality of seismograph hosts in the same region are respectively connected to the connector, the controller is connected with the connector, the controller receives the starting and ending information of the excitation time window provided by the timer through the connector and controls the remote explosion system to forbid excitation outside the excitation time window according to the starting and ending information of the excitation time window.
The purpose of the utility model can be realized by the following technical measures:
the same-region seismic acquisition excitation control device also comprises a network connecting end, wherein the network connecting end is connected with the plurality of seismic instrument hosts in the same region through the connector, and the plurality of seismic instrument hosts in the same region are accurately synchronized in time through internet time service.
And a plurality of seismograph hosts in the same region are connected with the connector through the USB relay module.
The timer comprises a crystal oscillation and frequency division circuit, a synchronous calibration control circuit and a second time division counting circuit, wherein the crystal oscillation and frequency division circuit is respectively connected with the synchronous calibration control circuit and the second time division counting circuit, the crystal oscillation and frequency division circuit generates accurate and stable clocks, the accurate and stable clocks are subjected to frequency division to form second pulses and then are transmitted to the synchronous calibration control circuit and the second time division counting circuit, the synchronous calibration control circuit provides the starting and ending of a remote explosion system excitation time window within a specified time, and the second time division counting circuit is connected with the synchronous calibration control circuit and receives the time setting of the synchronous calibration control circuit.
The timer also comprises a decoding display circuit which is connected with the second time-sharing counting circuit, and the second time-sharing counting circuit counts the second pulse generated by the crystal oscillation and frequency division circuit to form a minute signal and an hour signal and transmits the minute signal and the hour signal to the decoding display circuit for displaying.
The utility model provides a with regional seismic acquisition arouses controlling means, when two exploration project construction area distance equals or is greater than the distance of seismic acquisition record length and the product of earthquake direct arrival wave velocity of wave, can take two earthquake teams to arouse simultaneously method from the technology for the earthquake wave that an earthquake team arouses is when arriving another earthquake team and receive the range, and seismic instrument collection work has ended, thereby avoids mutual interference, improves production efficiency.
Drawings
Fig. 1 is a structural diagram of an embodiment of the same-region earthquake acquisition excitation control device of the present invention;
fig. 2 is a block diagram of the timer 3 shown in fig. 1 according to an embodiment of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1, fig. 1 is a structural diagram of the same-region earthquake acquisition excitation control device of the present invention. The utility model discloses a with regional earthquake acquisition arouse controlling means includes network connection end 1, connector 2, time-recorder 3 and controller 4.
The network connection 1 is connected to a connector 2. The network connecting end 1 is connected with a plurality of seismic instrument hosts in the same region through a connector 2, and the plurality of seismic instrument hosts in the same region are accurately synchronized in time through internet time service.
The connector 2 is connected to the network connection port 1, the timer 3, and the controller 4. Realize the utility model discloses the connection between each module to and with seismograph host computer, the connection of distant system of exploding.
The timer 3 is arranged in a plurality of seismograph host computers in the same region and is connected with the connector 2 through the seismograph host computers by a USB relay module. The USB relay module is connected in series on a transmission path of an ignition instruction of an encoder in the remote explosion system, and a specific control point selects an optical coupler output end of the transmission path of the ignition instruction of the encoder in the remote explosion system, so that the phenomenon that an optical coupler generates an error signal due to the working state of the USB relay is avoided.
The controller 4 is connected to the connector 2. The controller 4 receives the timing instruction provided by the timer 3 via the connector 2.
The controller 4 controls the teledetonation system via the connector 2 such that it disables firing outside the firing time window. Controller 4 is equipped with the utility model discloses a bypass mode when only an exploration project construction in an area, can select this mode to make the seismograph host computer resume the normality to the control of distant system of exploding.
The timer 3 is configured as shown in fig. 2, and includes a crystal oscillation and frequency division circuit 5, a synchronous calibration control circuit 6, a second time division counter circuit 7, and a decoding display circuit 8.
The crystal oscillation and frequency division circuit 5 is connected with a synchronous calibration control circuit 6 and a second time division counting circuit 7. The crystal oscillator generates an accurate and stable clock, and the clock is divided into second pulses which are transmitted to the synchronous calibration control circuit 6 and the second time-sharing counting circuit 7.
The synchronous calibration control circuit 6 is connected with the connector 2, the crystal oscillation and frequency division circuit 5 and the second time division counting circuit 7. The synchronous calibration control circuit 6 provides the starting and ending of the remote detonation system excitation time window within the specified time according to the design parameters, and the seismometer host outside the excitation time window excites the remote detonation system to be invalid, so that the generation of mutual interference seismic waves is avoided. The specific control mode is that the seismic instrument sends a time window opening instruction according to the setting requirement to the synchronous calibration control circuit 6 through the connector 2, and the synchronous calibration control circuit 6 sends a state reset instruction to the second time-sharing counting circuit 7. The second minute counting circuit 7 starts counting, and when the state of the second minute counting circuit 7 coincides with the set state, the synchronous calibration control circuit 6 issues a time window end instruction to the controller 4 via the connector 2.
The synchronous calibration control circuit 6 is connected with a seismic instrument host through the connector 2, and the seismic instrument host can set parameters such as timing time length, window opening time length, alarm prompt, control encoder ignition instruction and the like of the synchronous calibration control circuit 6. The earthquake instrument host is connected with a USB interface relay, the USB relay is connected in series on a transmission path of an ignition instruction of an encoder in a remote explosion system, the timer 3 controls the on and off of the USB relay, and a specific control point selects an optical coupler output end of the transmission path of the ignition instruction of the encoder of the remote explosion system, so that the phenomenon that the optical coupler generates an error signal due to the working state of the USB relay is avoided.
The second time-sharing counting circuit 7 is connected with the crystal oscillation and frequency division circuit 5, the synchronous calibration control circuit 6 and the decoding display circuit 8. The second time-sharing counting circuit 7 receives the time setting of the synchronous calibration control circuit 6, counts the second pulse generated by the crystal oscillation and frequency division circuit 5 to form a minute signal and an hour signal, and sends the minute signal and the hour signal to the decoding display circuit 8 for displaying.
The utility model discloses install respectively in the seismic survey instrument storehouse more than two of same region construction for the start-up and the excitation of control seismic survey instrument and encoder. The device is stable and reliable in use, and if one party cannot excite the current shot point in the window period due to other reasons, the other party needs to wait for the excitation of the next time window. The adoption of the technology can effectively avoid the mutual interference of seismic waves and improve the blasting acquisition timeliness. The device is convenient to install, simple to operate, capable of being popularized and applied to each seismic instrument for seismic exploration and high in application prospect.
The same-region earthquake acquisition excitation control device adopts a window-inside excitation blasting method, so that two earthquake teams excite shot points within a specified time, the mutual interference of earthquake waves is avoided, and the construction time of the two parties is prolonged. The same-region seismic acquisition excitation control device can be arranged on each seismic instrument, has two working modes and is selected according to construction requirements. When two earthquake teams in the same block are constructed under a certain condition, the earthquake acquisition time efficiency can be effectively improved by adopting the earthquake acquisition excitation control device in the same area, the construction period is shortened, and the construction cost is saved. The device is convenient to install, simple to operate, capable of being popularized and applied to each seismic instrument for seismic exploration and high in application prospect.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The same-region earthquake acquisition and excitation control device is characterized by comprising a connector, a timer and a controller, wherein the timer is installed in a plurality of seismograph hosts in the same region and provides the opening and the ending of an excitation time window of a remote detonation system within a specified time, the remote detonation system and the plurality of seismograph hosts in the same region are respectively connected to the connector, the controller is connected with the connector, the controller receives the opening and the ending information of the excitation time window provided by the timer through the connector and controls the remote detonation system to prohibit excitation outside the excitation time window according to the opening and the ending information of the excitation time window.
2. The same-region seismic acquisition excitation control device as in claim 1, further comprising a network connection end, wherein the network connection end is connected with the plurality of seismic equipment hosts in the same region through the connector, and the plurality of seismic equipment hosts in the same region are precisely synchronized in time through internet time service.
3. The same-region seismic acquisition excitation control device as in claim 1, wherein a plurality of seismograph host computers in the same region are connected with the connector through a USB relay module.
4. The seismic acquisition excitation control device in the same area as the claim 1, wherein the timer comprises a crystal oscillation and frequency division circuit, a synchronous calibration control circuit and a second time division counting circuit, the crystal oscillation and frequency division circuit is respectively connected with the synchronous calibration control circuit and the second time division counting circuit, the crystal oscillation and frequency division circuit generates an accurate and stable clock, the clock is divided into second pulses after the second pulses are transmitted to the synchronous calibration control circuit and the second time division counting circuit, the synchronous calibration control circuit provides the starting and ending of the excitation time window of the remote explosion system within a specified time, and the second time division counting circuit is connected with the synchronous calibration control circuit and receives the time setting of the synchronous calibration control circuit.
5. The same-region seismic acquisition excitation control device as in claim 4, wherein the timer further comprises a decoding display circuit, the decoding display circuit is connected to the second time-sharing counting circuit, and the second time-sharing counting circuit counts the second pulses generated by the crystal oscillation and frequency division circuit to form a minute signal and an hour signal, and transmits the minute signal and the hour signal to the decoding display circuit for display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020057349.XU CN211878199U (en) | 2020-01-10 | 2020-01-10 | Same-region earthquake acquisition excitation control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020057349.XU CN211878199U (en) | 2020-01-10 | 2020-01-10 | Same-region earthquake acquisition excitation control device |
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| Publication Number | Publication Date |
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| CN211878199U true CN211878199U (en) | 2020-11-06 |
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| CN202020057349.XU Active CN211878199U (en) | 2020-01-10 | 2020-01-10 | Same-region earthquake acquisition excitation control device |
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| CN (1) | CN211878199U (en) |
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