CN201463762U - Detection device for remote explosion system - Google Patents
Detection device for remote explosion system Download PDFInfo
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- CN201463762U CN201463762U CN2009200829993U CN200920082999U CN201463762U CN 201463762 U CN201463762 U CN 201463762U CN 2009200829993 U CN2009200829993 U CN 2009200829993U CN 200920082999 U CN200920082999 U CN 200920082999U CN 201463762 U CN201463762 U CN 201463762U
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- 238000004891 communication Methods 0.000 claims description 8
- 238000012360 testing method Methods 0.000 abstract description 19
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Abstract
The utility model discloses a detection device of a remote explosion system, which belongs to detection equipment of the remote explosion system in the technical field of geophysical exploration, and comprises a coder detection box for detecting and recording clock time break signals, verification time break signals and wellhead signals, a coder signal detection cable, a decoder detection box for detecting and recording high-pressure explosion signals and generating analog wave detector signals, a high-pressure detection cable and a decoder wellhead cable; the utility model overcomes detect the problem of the time precision that meets in the digital teleblasting system with traditional detection method, no longer use the detonator in detecting, detect safe and reliable more, can directly detect high pressure explosion signal, can separate at encoder, decoder and test under the condition of sufficient distance, make test result more rigorous reliable.
Description
Technical field
The utility model relates to a kind of checkout gear that is used for the distant quick-fried system of seismic prospecting, the checkout equipment of distant quick-fried system in the possession ball physical prospecting technical field.
Background technology
Distant quick-fried system is a kind of special-purpose synchronizer that is used for seismic prospecting, and it comprises encoder and two parts of decoder.At present, also there is not the special device that accurately detects at distant quick-fried system synchronization timing performance on the market, traditional detection method is to blow out with the method simulation of a clap of thunder pipe, wave detector produces hole top signal, carry out record with seismic detector, and use prison to show the record ocular estimate, separate and compile the data determining method the synchronous time difference is judged.There is the defective of following three aspects in the distant quick-fried system detecting method of tradition:
(1) mode by a clap of thunder pipe writes down detection with seismic detector to the timing signal that distant quick-fried system produces, only record is to clock time break (PTB), checking time break (FTB), hole top signal (UH), can not write down the time that high pressure opens quick-fried signal (HV), can't illustrate that each signal that distant quick-fried system produces and high pressure open the time relationship between quick-fried;
(2) synchronization accuracy of distant quick-fried system is increased to the microsecond level by original Millisecond, and seismographic acquisition rate still is a Millisecond, can't satisfy the measuring accuracy requirement;
(3) the test process complexity, have potential safety hazard.
The utility model content
For solving the problems of the technologies described above, the utility model proposes a kind of checkout gear that is used for the distant quick-fried system of seismic prospecting, the utility model has overcome the problem that detects the time precision that runs in the distant quick-fried system of numeral with traditional detection method, in detection, do not re-use detonator, detect more safe and reliable, can open quick-fried signal to high pressure and directly detect, can under encoder, decoder separate the situation of enough distances, test, make test result precise and reliable more.
The utility model is achieved through the following technical solutions:
A kind of distant quick-fried system detecting device is characterized in that comprising that detection record detects the decoder that box, code device signal detection streamer, detection record high pressure open quick-fried signal and produce the analog detector signal to the encoder of clock time break, checking time break and hole top signal and detects box, high pressure detection streamer, decoder well head cable; Described encoder detects the encoded device signal detection of box cable and is connected with encoder, decoder detects box and is connected with decoder with decoder well head cable through the high pressure detection streamer respectively, encoder detects box and is provided with first gps antenna, time reference is provided for described encoder detection box through the PPS pulse signal that described first gps antenna reception GPS module is sent, decoder detects box and is provided with second gps antenna, time reference is provided for described decoder detection box through the PPS pulse signal that described second gps antenna reception GPS module is sent, encoder is provided with the first radio station antenna, corresponding being provided with the described first radio station antenna carried out the second radio station antenna that information wireless exchanges on the decoder, and encoder detects to be provided with to transmit on box and the decoder detection box and detects the USB communication interface that data are given outer computer.
Described encoder detects box or decoder detects the identical hardware circuit of box employing, software setting by different can realize different measuring abilities. the particular hardware circuit comprises that simulate signal produces circuit, signal deteching circuit, high-voltage detecting circuit, light lotus root buffer circuit, power module, memory, single chip machine controlling circuit, GPS module, keyboard-display circuit and USB communication interface; Described simulate signal produces circuit, signal deteching circuit and high-voltage detecting circuit and is electrically connected with described smooth lotus root buffer circuit simultaneously, described smooth lotus root buffer circuit is electrically connected with described single chip machine controlling circuit, and memory, GPS module, keyboard-display circuit and USB communication interface all are connected electrically on the described single chip machine controlling circuit.
Described single chip machine controlling circuit is made up of reset chip SP708 and MSP430F149, adopts the MSP430F149 single-chip microcomputer as the master control device.
Described GPS module adopts the Copernicus GPS Receiver module of Trimble company, and main effect is to obtain absolute time information, and PPS is provided pulse signal, to its measured signal time reference is provided and during to local crystal oscillator base calibrate.
Described memory is used for storage and detects data, adopts Flash chip M25P80.
Described power module, employing be the TPS60110 chip of TI company, can obsolete module in the system be turn-offed by single-chip microcomputer.
Described simulate signal produces circuit, adopts the TLV5618 chip that two-way DAC is provided, and one the tunnel produces the well head analog signal, and another road produces the detection reference voltage of well head threshold, adopts the DA switch technology can produce random waveform.
Described high-voltage detecting circuit is that the light lotus root of PC410 is formed by 4 diodes and model, mainly finishes the detection of blaster high-voltage signal, and threshold is adjustable and it is fried to simulate detonator.
Described signal deteching circuit is made up of amplifier LM358 and PC410 light lotus root, is mainly used in signal detection, and can adapt to various multi-form signal sequences by programming adjusting detection threshold.
Described smooth lotus root buffer circuit is made up of the light lotus root of PC410, mainly plays a part to isolate interfering signal, avoids interference signal and enters testing circuit, influences certainty of measurement.
Operation principle of the present utility model is as follows:
Decoder detects box and connects decoder, detect the high-voltage signal (HV) that decoder produces by high-voltage detecting circuit, postpone through certain hour, produce circuit by simulate signal and generate simulation hole top signal (UHI), return decoder, and detect HV, UHI signal, the time reference that provides by the GPS module by high-voltage detecting circuit and signal deteching circuit, obtain the absolute time of each test signal, again test data is deposited in memory and preserve for GPS; Encoder detects box and connects encoder simultaneously, is detected signals such as PTB, FTB, UHO by signal deteching circuit, by the time reference that the GPS module provides, obtains the absolute time of each test signal for GPS, test data is deposited in memory again and preserves; At last, decoder is detected box and encoder detect the data of storing in the box and return computer by the USB oral instructions and carry out Treatment Analysis, generate test report automatically.
Compare with traditional distant quick-fried system detecting method or device, advantage of the present utility model shows:
1, the utility model is owing to adopt the technical scheme of " detection record opens quick-fried signal to clock time break, the encoder detection box of verifying time break and hole top signal and detection record high pressure and produces the decoder detection box of analog detector signal ", can directly test, make test result precise and reliable more opening quick-fried high pressure HV.
2, adopt the technical scheme of " time reference being provided for described encoder detection box through the PPS pulse signal that first gps antenna reception GPS module is sent; time reference to be provided for described decoder detection box " through the PPS pulse signal that second gps antenna reception GPS module is sent owing to the utility model, base is calibrated with the PPS pulse signal when so just adopting the GPS time service as time reference and to local crystal oscillator, power of test and certainty of measurement have been improved to distant quick-fried system, can carry out high accuracy to each test signal and detect, and satisfy encoder, the requirement that decoder is tested in the different location.
3, " described simulate signal produces circuit, signal deteching circuit and high-voltage detecting circuit and is electrically connected with described smooth lotus root buffer circuit simultaneously because the utility model adopts; Simulate signal produces circuit, adopt the TLV5618 chip that two-way DAC is provided, one the tunnel produces the well head analog signal, another road produces the detection reference voltage of well head threshold, adopt the DA switch technology can produce random waveform " technical scheme; during distant quick-fried system testing, do not use detonator just can detect each signal, same method also can be used for the time performance of telseis instrument system is detected.
4, the utility model has overcome the problem that detects the time precision that runs in the distant quick-fried system of numeral with traditional detection method, in detection, do not re-use detonator, detect more safe and reliable, can open quick-fried signal to high pressure directly detects, owing to use the radio station antenna, can under separating the situation of enough distances, encoder, decoder test, make test result precise and reliable more, can submit to institute to collect distant quick-fried system signal and detect information in multiple modes such as browsed off-line, electronical record, penman texts; The utility model is mainly used in the oil seismic exploration field, and each timing signal that can be used for distant quick-fried system is produced detects; Adopt same principle, also can be used for the time performance of telseis instrument system is detected.
Description of drawings
The utility model is described in further detail below in conjunction with specification drawings and specific embodiments, wherein:
Fig. 1 is the connection diagram of the utility model checkout gear in distant quick-fried system detects
Fig. 2 detects the particular hardware block diagram of box or decoder detection box for encoder
Fig. 3 fills out several method basic principle schematic for pulse in the prior art
Fig. 4 is the distant quick-fried system HV signal measurement principle schematic of B00MBOX
Fig. 5 is the distant quick-fried system TB of B00MBOX, FTB, UH signal measurement principle schematic
Fig. 6 is the distant quick-fried system PTB signal measurement principle schematic of B00MBOX
Mark among the figure:
1, encoder detects box, 2, first gps antenna, 3, the code device signal detection streamer, 4, the first radio station antenna, 5, encoder, 6, decoder, 7, the second radio station antenna, 8, high pressure detection streamer, 9, decoder well head cable, 10, second gps antenna, 11, decoder detects box, 21, simulate signal produces circuit, 22, signal deteching circuit, 23, high-voltage detecting circuit, 24, light lotus root buffer circuit, 25, power module, 26, memory, 27, single chip machine controlling circuit, 28, the GPS module, 29, keyboard-display circuit, 30, the USB communication interface.
The specific embodiment
Apparatus structure of the present utility model has been shown among Fig. 1 has connected, be used for the detection of distant quick-fried system.Encoder detects box 1 and is connected with encoder 5 by code device signal detection streamer 3, decoder detects box 11 and is connected with decoder 6 with decoder well head cable 9 by high pressure detection streamer 8, encoder detects box 1 and receives gps signal by first gps antenna 2, detect box 1 to encoder time reference is provided, decoder detects box 11 and receives gps signal by second gps antenna 10, detect box 11 to decoder time reference is provided, information is carried out information interchange by the first radio station antenna 4 and the second radio station antenna 7 are wireless between encoder 5 and the decoder 6.
Fig. 2 is the particular hardware block diagram that detects box, is produced several main parts such as circuit 21, signal deteching circuit 22, high-voltage detecting circuit 23, light lotus root buffer circuit 24, power module 25, memory 26, single chip machine controlling circuit 27, GPS module 28, keyboard-display circuit 29, USB communication interface 30 by simulate signal and forms.Wherein, single chip machine controlling circuit 27 adopts the master control device of MSP430F149 single-chip microcomputer as system, and circuit is made up of reset chip SP708 and MSP430F149; GPS module 28 adopts the Copernicus GPS Receiver module of Trimble, and main effect is to obtain absolute time information, and PPS is provided pulse signal, to its measured signal time reference is provided and during to local crystal oscillator base calibrate; Memory 26 is used for storage of measurement data, and circuit adopts Flash chip M25P80; Power module 25, employing be the TPS60110 chip of TI, can obsolete module in the system be turn-offed by single-chip microcomputer; Signal deteching circuit 22 is made up of amplifier LM358 and PC410 light lotus root, is mainly used in signal detection, and can adapt to various multi-form signal sequences by programming adjusting detection threshold; Simulate signal produces circuit 21, adopts the TLV5618 chip that two-way DAC is provided, and one the tunnel produces the well head analog signal, and another road produces the detection reference voltage of well head threshold; High-voltage detecting circuit 23 is made up of 4 diodes and PC410 light lotus root, mainly finishes the detection of blaster high-voltage signal; Light lotus root buffer circuit 24 is made up of the light lotus root of PC410, mainly plays a part to isolate interfering signal, avoids interference signal and enters testing circuit, influences certainty of measurement.
The utility model can detect the distant quick-fried system of different model, is example with the distant quick-fried system of BOOMBOX numeral here, the analysis to measure basic principle:
Time difference measurements commonly used mainly adopts pulse to fill out several methods, and Fig. 3 has introduced pulse and filled out several method basic principles, measured 2 or a plurality of signal between time fill by the pulse of high-speed, high precision crystal, the time difference between the signal is as the formula (1).
T＝N*T
CLK (1)
Wherein, N is counting number, T
CLKEqual the cycle of filling signal.
Here we adopt an absolute time as witness mark, can measure distinct device in the different location respectively, then by calculating the method for time difference between the measured signal.Adopt the GPS time service in the utility model and during to local crystal oscillator base carried out calibrating with the PPS pulse signal and make cumulative errors drop to minimum degree, select for use time precision to be ± the GPS module 28 of 50ns, certainty of measurement can be up to ± 1us, the pulse per second (PPS) that utilizes GPS output is measured the corresponding signal of encoder 5 and decoder 6 respectively as time reference.Fig. 4 has introduced the distant quick-fried system HV signal measurement principle of BOOMBOX, and Fig. 5 has introduced the distant quick-fried system TB of BOOMBOX, FTB, UH signal measurement principle, and Fig. 6 has introduced the distant quick-fried system PTB signal measurement principle of BOOMBOX.
The absolute time T1 of decoder 6HV signal, the absolute time T2 of encoder 5TB signal (monolateral time delay of radio station), the absolute time T3 of FTB signal, the absolute time T4 of UH signal, the absolute time T5 of PTB signal, respectively suc as formula 2, formula 3, formula 4, formula 5 is shown in the formula 6.
T
1＝T
1′+N
1*T
CLK (2)
T
2＝T
2′+N
2*T
CLK (3)
T
3＝T
3′+N
3*T
CLK (4)
T
4＝T
4′+N
4*T
CLK (5)
T
5＝T
5′+N
5*T
CLK (6)
By above formula, can draw the absolute time of each measured signal for gps signal.
Because we can measure different time signals by selecting different time measurement parameters, the basic test platform that can utilize this device to provide is measured the signal of the various different sequential of various distant quick-fried systems formation.
Claims (10)
1. one kind distant quick-fried system detecting device is characterized in that comprising that detection record detects the decoder that box (1), code device signal detection streamer (3), detection record high pressure open quick-fried signal and produce the analog detector signal to the encoder of clock time break, checking time break and hole top signal and detects box (11), high pressure detection streamer (8), decoder well head cable (9); Described encoder detects box (1) encoded device signal detection cable (3) and is connected with encoder (5), decoder detects box (11) and is connected with decoder (6) with decoder well head cable (9) through high pressure detection streamer (8) respectively, encoder detects box (1) and is provided with and receives the PPS pulse signal that GPS module (28) sends and detect first gps antenna (2) that box (1) provides time reference for described encoder, decoder detects box (11) and is provided with and receives the PPS pulse signal that GPS module (28) sends and detect second gps antenna (10) that box (11) provides time reference for described decoder, encoder (5) is provided with the first radio station antenna (4), decoder (6) is gone up correspondence and is provided with the described first radio station antenna (4) and carries out the second radio station antenna (7) that information wireless exchanges, and encoder detects box (1) and decoder and detects to be provided with on the box (11) and transmit the USB communication interface (30) of detection data to outer computer.
2. distant quick-fried system detecting device according to claim 1 is characterized in that: the concrete structure that described encoder detects box (1) or decoder detection box (11) comprises that simulate signal produces circuit (21), signal deteching circuit (22), high-voltage detecting circuit (23), light lotus root buffer circuit (24), power module (25), memory (26), single chip machine controlling circuit (27), GPS module (28), keyboard-display circuit (29) and USB communication interface (30); Described simulate signal produces circuit (21), signal deteching circuit (22) and high-voltage detecting circuit (23) and is electrically connected with described smooth lotus root buffer circuit (24) simultaneously, described smooth lotus root buffer circuit (24) is electrically connected with described single chip machine controlling circuit (27), and memory (26), GPS module (28), keyboard-display circuit (29) and USB communication interface (30) all are connected electrically on the described single chip machine controlling circuit (27).
3. distant quick-fried system detecting device according to claim 2 is characterized in that: described single chip machine controlling circuit (27) is made up of reset chip SP708 and MSP430F149, adopts the MSP430F149 single-chip microcomputer as the master control device.
4. distant quick-fried system detecting device according to claim 2 is characterized in that: described GPS module (28) is a Copernicus GPS Receiver module.
5. distant quick-fried system detecting device according to claim 2 is characterized in that: described memory (26) is used for storage and detects data, adopts Flash chip M25P80.
6. distant quick-fried system detecting device according to claim 2 is characterized in that: described power module (25) is the TPS60110 chip.
7. distant quick-fried system detecting device according to claim 2 is characterized in that: described simulate signal produces circuit (21), adopts the TLV5618 chip that two-way DAC is provided, and one the tunnel produces the well head analog signal, and another road produces the detection reference voltage of well head threshold.
8. distant quick-fried system detecting device according to claim 2 is characterized in that: described high-voltage detecting circuit (23) is that the light lotus root of PC410 is formed by 4 diodes and model.
9. distant quick-fried system detecting device according to claim 2 is characterized in that: described signal deteching circuit (22) is made up of amplifier LM358 and PC410 light lotus root.
10. distant quick-fried system detecting device according to claim 2 is characterized in that: described smooth lotus root buffer circuit (24) is made up of the light lotus root of PC410.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200829993U CN201463762U (en) | 2009-07-30 | 2009-07-30 | Detection device for remote explosion system |
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| CN2009200829993U CN201463762U (en) | 2009-07-30 | 2009-07-30 | Detection device for remote explosion system |
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| CN2009200829993U Expired - Fee Related CN201463762U (en) | 2009-07-30 | 2009-07-30 | Detection device for remote explosion system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749613A (en) * | 2015-03-26 | 2015-07-01 | 中国石油集团东方地球物理勘探有限责任公司 | Earthquake blasting synchronizing system and method |
| CN111193518A (en) * | 2020-03-03 | 2020-05-22 | 太原理工大学 | Method for simulating Boom Box encoder by using music player |
| CN115096154A (en) * | 2022-06-20 | 2022-09-23 | 上海芯飏科技有限公司 | Digital electronic detonator detonation controller and cascade synchronization method and system thereof |
-
2009
- 2009-07-30 CN CN2009200829993U patent/CN201463762U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749613A (en) * | 2015-03-26 | 2015-07-01 | 中国石油集团东方地球物理勘探有限责任公司 | Earthquake blasting synchronizing system and method |
| CN111193518A (en) * | 2020-03-03 | 2020-05-22 | 太原理工大学 | Method for simulating Boom Box encoder by using music player |
| CN111193518B (en) * | 2020-03-03 | 2023-10-17 | 太原理工大学 | Method for simulating Boom Box encoder by using music player |
| CN115096154A (en) * | 2022-06-20 | 2022-09-23 | 上海芯飏科技有限公司 | Digital electronic detonator detonation controller and cascade synchronization method and system thereof |
| CN115096154B (en) * | 2022-06-20 | 2023-08-18 | 上海芯飏科技有限公司 | Digital electronic detonator initiation controller and cascade synchronization method and system thereof |
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