CN206600169U - A kind of digital sound wave gathers pipe nipple - Google Patents
A kind of digital sound wave gathers pipe nipple Download PDFInfo
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- CN206600169U CN206600169U CN201720200665.6U CN201720200665U CN206600169U CN 206600169 U CN206600169 U CN 206600169U CN 201720200665 U CN201720200665 U CN 201720200665U CN 206600169 U CN206600169 U CN 206600169U
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Abstract
Pipe nipple is gathered the utility model discloses a kind of digital sound wave, including cylindrical container, socket and Acquisition Circuit, the socket includes the front end socket located at case surface, the front end socket includes analog input end, first power input, first synch command input and first data transmission end, the Acquisition Circuit is in shell, the Acquisition Circuit includes the Signal-regulated kinase being series between analog input end and first data transmission end, AD sampling modules, microprocessor module and communication module, the microprocessor module is provided with synch command receiving terminal, the synch command receiving terminal is connected with synch command input, acoustic receiver transducer signal and Acquisition Circuit are joined directly together by digital sound wave collection pipe nipple of the present utility model by grafting form, the external disturbance that acoustic signals may be subject to can greatly be weakened, improve the signal to noise ratio of input signal.
Description
Technical field
The utility model is related to sound collecting technical field, and in particular to a kind of digital sound wave gathers pipe nipple.
Background technology
Sound wave is in different Propagations, speed, and the change of the acoustic characteristic such as amplitude and frequency is different from, sound wave
Well logging is a kind of logging method got up according to sound physical properties theoretical developments, and digital sound wave is exactly by measuring compressional wave in the earth formation
The time difference of propagation, on the other hand, can also be by measuring wave amplitude in cased well 3 English of progress to determine the porosity on stratum
The cement bond log of chi and 5 feet of variable density log check cementing quality.
Either to the measurement of the propagation time difference of sound wave, or amplitude, it is required for by sound collecting circuit to acoustic signals
It is acquired processing.Therefore, sound collecting circuit is the Key Circuit of acoustic logging instrument, its stability and anti-interference it is excellent
The bad effect that key is played to the quality that acoustic logging is logged well.
The method of collection sound wave is typically that the signal for detecting transducer passes through whole sound system by long shielding line at present
System access acquisition electronics, by differential amplification in electronic circuit, programming amplifying after filtering process, then is linked into AD and adopted
Collection realizes Digital output, and electronic circuit is made using high temperature PCB, and discrete component is used in device, and chip uses plastic packaging core
Piece.
Due to the signal amplitude very little of the transducer detection in the audio system of acoustic logging instrument, and signal passes through long shielding
Line passes through whole audio system and is linked into electronic cartridge, during this, and signal wire is highly susceptible to the interference of external environment,
And there is also cross-couplings interference between the signal of each transducer detection, in addition, during by launching electronics circuit pack, due to believing
Number frequency band is identical, and interference can hardly be eliminated in back-end processing, and therefore, the signal to noise ratio of signal is very poor.
In terms of electronic circuit, electronic circuit is made using high temperature PCB, under the hot environment of well logging, in circuit board
The problem of there is hydraulic performance decline in electronic component, it is impossible to the stability of long-term holding Acquisition Circuit, and due to electronic device
Take paster to encapsulate, add complex circuit, it is such as faulty to occur, it is difficult to the lookup of the problem of progress.
In consideration of it, special propose this utility model.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is that providing a kind of digital sound wave gathers short
Acoustic receiver transducer signal and Acquisition Circuit, are joined directly together, can greatly weaken acoustic signals can by section by grafting form
The external disturbance that can be subject to, improves the signal to noise ratio of input signal.
What the technical solution of the utility model was realized in：
A kind of digital sound wave gathers pipe nipple, including cylindrical container, socket and Acquisition Circuit, and the socket is included located at outer
The front end socket on shell surface, the front end socket includes analog input end, the first power input, the input of the first synch command
End, first data transmission end and the first earth terminal, the Acquisition Circuit is in shell, and the Acquisition Circuit includes being series at
Signal-regulated kinase, AD sampling modules, microprocessor module between analog input end and first data transmission end and logical
Believe module, the microprocessor module is provided with synch command receiving terminal, the synch command receiving terminal and synch command input
Connection.
Further, the Signal-regulated kinase includes being sequentially connected in series differential amplification unit, bandpass filtering unit, program control put
Big unit, first amplitude adjustment unit and the second range-adjusting unit, the data input pin of the differential amplification unit and institute
State the connection of analog input end, the data input of the data output end of the second range-adjusting unit and the AD sampling modules
End connection.
Further, the data output end of the program input of the programming amplifying unit and the microprocessor module connects
Connect.
Further, the first amplitude unit includes normalization circuit.
Further, the second amplitude unit includes the low pass filter and summing circuit being sequentially connected in series.
Further, the AD sampling modules include AD sampling A/D chips and the voltage reference list being connected with AD sampling A/D chips
Member, the data input pin of the AD sampling A/D chips is connected with the data output end of the second range-adjusting unit, and the AD is adopted
The data output end of sample chip and the data input pin of microprocessor module are connected.
Further, the communication module includes CAN transceiver, the communication ends of the CAN transceiver and the microprocessor
The communication ends connection of module, and be connected with the first data transmission end.
Further, the front end socket is provided with the one of bottom surface of shell, and the socket also includes another located at the shell
The rear end socket of one bottom surface, the rear end socket includes second source input, the second synch command input, the second data
Transmission end and the second earth terminal, the second source input are connected with first power input, and described second is synchronous
Command input end is connected with first synchronous input end, and second data transmission terminal connects with the first data transmission end
Connect, first earth terminal is connected with second earth terminal.
Further, in addition to regulating filtering module, the regulating filtering module is connected with first input end power supply.
The beneficial effects of the utility model are：
(1) by the analog input end in the socket of front end by the Acquisition Circuit in acoustic receiver transducer signal and pipe nipple
It is joined directly together, has reached beeline connection, it is to avoid the signal that whole sonic system detects transducer is passed through by long shielding line
Electronic cartridge is linked into, the external disturbance that acoustic signals may be subject to greatly is reduced, improves the letter of input signal
Make an uproar ratio.
(2) by the analog input end in the socket of front end by the Acquisition Circuit in acoustic receiver transducer signal and pipe nipple
It is joined directly together, it also avoid the quantity of instrument internal through track, has saved apparatus structure sectional dimension, meanwhile, pipe nipple will be gathered
Insert inside audio system, the length of the electronic circuit of instrument has been saved again, be especially advantageous for the miniaturization of instrument, be easy to slim-hole
The research and development of acoustic wave apparatus.
(3) Digital Transmission of acoustic signals is realized inside collection pipe nipple, cross-couplings are done between reducing signal wire
Disturb and transmission signal interference, further increase the signal to noise ratio of acoustic signals and the stability of signal.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of digital sound wave gathers pipe nipple；
Fig. 2 is the structural representation of Signal-regulated kinase.
Embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, with reference to of the present utility model
Accompanying drawing, clear, complete description is carried out to the technical solution of the utility model, based on the embodiment in the application, this area is general
Other class be the same as Examples that logical technical staff is obtained on the premise of creative work is not made, should all belong to the application
The scope of protection.
Embodiment one：
As shown in Fig. 1~2, a kind of digital sound wave gather pipe nipple, including cylindrical container, front end socket, rear end socket with
And Acquisition Circuit, a height of 55mm of the shell, a diameter of 44mm of the shell upper and lower surface, the material of the shell is
17-4PH stainless steels, the front end socket is located at the one of bottom surface of shell, and the rear end socket is located at another bottom surface of shell,
The front end socket is provided with 11~No. 18 pin jacks, and each pin jack implication is as shown in table 1：
The front end socket pins jack of table 1 defines table
The rear end socket is provided with 21~No. 26 pin jacks, and each pin jack implication is as shown in table 2：
The front end socket pins jack of table 2 defines table
Wherein, No. 13 pin jacks are connected with each other with No. 21 pin jacks in shell, and No. 14 pin jacks are drawn with No. 22
Pin jack is connected with each other in shell, and No. 15 pin jacks are connected with each other with No. 26 pin jacks in shell, and No. 16 pins are inserted
Hole is connected with each other with No. 25 pin jacks in shell, and No. 17 pin jacks are connected with each other with No. 24 pin jacks in shell,
No. 18 pin jacks are connected with each other with No. 23 pin jacks in shell, and No. 13 pin jacks are connected with No. 14 pin jacks
It is used for the power supply of Acquisition Circuit after regulating filtering module.
The Acquisition Circuit uses thick film hybrid integrated circuit form, is distributed in inside cylindrical pipe nipple, improves collection
The integrated level of circuit, reduces the volume of Acquisition Circuit, on the other hand, and thick film hybrid integrated circuit is encapsulated using inert nitrogen and protected
Shield, has delayed device oxidation significantly, corrodes, the process of aging, while Acquisition Circuit reliability is improved, to Acquisition Circuit
Long-time stability also provide strong guarantee.
The Acquisition Circuit is including the Signal-regulated kinase being sequentially connected in series, AD sampling modules, microprocessor module and leads to
Believe module, the microprocessor module includes soc single-chip microcomputers, and the SYNC ends of the soc single-chip microcomputers connect with No. 16 pin jacks
Connect, the crystal oscillator unit of the CLK ends connection of the soc single-chip microcomputers.
The Signal-regulated kinase include be sequentially connected in series differential amplification unit, bandpass filtering unit, programming amplifying unit,
First amplitude adjustment unit and the second range-adjusting unit, the differential amplification unit include the difference being made up of instrument amplifier
Divide amplifying circuit, the IN+ ends of the differential amplifier circuit are connected with No. 12 pin jacks, the IN- ends of the differential amplifier circuit
It is connected with No. 11 pin jacks, the bandpass filtering unit includes bandpass filter, the frequency range of the bandpass filter is
200~40KHz, the programming amplifying unit includes the programmable amplifier of 16 grades of adjustable magnifications, and the programmable amplifier is according to shelves
The difference of position can complete 1~6k times of amplification, and the programmable amplifier includes 4 multiple regulation inputs, and 4 multiples are adjusted
Section input is connected with 4 I/O output ends of the soc single-chip microcomputers, and the soc single-chip microcomputers are put by I/O output ends to program control
Big device sends 4 different binary codes, and the multiplication factor of programmable amplifier is adjusted with this.
The first amplitude unit includes the normalization circuit being made up of operational amplifier, and the second amplitude unit includes
The low pass filter being sequentially connected in series and the summing circuit being made up of operational amplification circuit, the frequency limit of the low pass filter is
1.5MHz, the data output end of the summing circuit is connected with the data input pin of the AD sampling modules.
The AD sampling modules include AD sampling A/D chips and the voltage reference cell being connected with AD sampling A/D chip REF ends,
Can improve the sampling precision of AD sampling A/D chips by the voltage reference cell, the SDIN ends of the AD sampling A/D chips with it is described
The data output end connection of sum unit, the SDOUT ends of the AD sampling A/D chips are connected with the SDIN ends of the soc single-chip microcomputers.
The communication module includes CAN transceiver, the CANTX ends of the CAN transceiver and the soc single-chip microcomputers
CANTX ends are connected, and the CANRX ends of the CAN transceiver are connected with the CANRX ends of the soc single-chip microcomputers, the CAN transceiver
CANH ends be connected with No. 17 pin jacks, the CANL ends of the CAN transceiver are connected with No. 18 pin jacks, and with it is described
First data transmission end is connected.
Gathered in digital sound wave and the Digital Transmissions of acoustic signals is realized inside pipe nipple, reduced and intersect coupling between signal wire
Interference and the interference of transmission signal are closed, the signal to noise ratio of acoustic signals and the stability of signal is substantially increased.In addition, digital sound
Acquisition Circuit in ripple collection pipe nipple uses integrative design, and is adjusted by normalizing, one each pipe nipple is used simultaneously when
Cause property is guaranteed, and can also directly be replaced after failure, easy to maintenance, greatly reduces user and searches problem and repair
The difficulty of circuit.
When in use, digital sound wave collection pipe nipple passes through No. 11 pin jacks and No. 12 pin jacks and acoustic wave transducer
Analog output end connection, receive acoustic wave transducer detection sound wave analog signalses, and digital sound wave collection pipe nipple pass through
16~No. 18 pin jacks are connected with main control computer, receive main control computer send synchronous acquisition order, and complete with main control computer it
Between data communication.
Digital sound wave gather pipe nipple by the analog input end in the socket of front end by acoustic receiver transducer signal with it is short
Acquisition Circuit in section is joined directly together, and has reached beeline connection, it is to avoid by long shielding line passing through whole sonic system will change
The signal of energy device detection is linked into electronic cartridge, greatly reduces the external disturbance that acoustic signals may be subject to, improves
The signal to noise ratio of input signal.On the other hand, by the analog input end in the socket of front end by acoustic receiver transducer signal
It is joined directly together with the Acquisition Circuit in pipe nipple, it also avoid the quantity of instrument internal through track, has saved apparatus structure section chi
It is very little, meanwhile, collection pipe nipple is inserted inside audio system, the length of the electronic circuit of instrument has been saved again, instrument is especially advantageous for
Miniaturization, be easy to the research and development of slim-hole acoustic wave apparatus.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (9)
1. a kind of digital sound wave gathers pipe nipple, it is characterised in that including cylindrical container, socket and Acquisition Circuit, the socket
Including the front end socket located at case surface, the front end socket includes analog input end, the first power input, first same
Step command input, first data transmission end and the first earth terminal, the Acquisition Circuit is in shell, the Acquisition Circuit
Including the Signal-regulated kinase, AD sampling modules, microprocessor being series between analog input end and first data transmission end
Module and communication module, the microprocessor module be provided with synch command receiving terminal, the synch command receiving terminal with it is synchronous
Command input end is connected.
2. a kind of digital sound wave collection pipe nipple according to claim 1, it is characterised in that the Signal-regulated kinase includes
Differential amplification unit, bandpass filtering unit, programming amplifying unit, first amplitude adjustment unit and the second amplitude being sequentially connected in series
Adjustment unit, the data input pin of the differential amplification unit is connected with the analog input end, second range-adjusting
The data output end of unit is connected with the data input pin of the AD sampling modules.
3. a kind of digital sound wave collection pipe nipple according to claim 2, it is characterised in that the journey of the programming amplifying unit
Sequence input is connected with the data output end of the microprocessor module.
4. a kind of digital sound wave collection pipe nipple according to claim 2, it is characterised in that the first amplitude unit includes
Normalization circuit.
5. a kind of digital sound wave collection pipe nipple according to claim 2, it is characterised in that the second amplitude unit includes
The low pass filter and summing circuit being sequentially connected in series.
6. a kind of digital sound wave collection pipe nipple according to claim 2, it is characterised in that the AD sampling modules include AD
Sampling A/D chip and the voltage reference cell being connected with AD sampling A/D chips, the data input pin of the AD sampling A/D chips and described the
The data output end connection of two range-adjusting units, the data output end of the AD sampling A/D chips and the data of microprocessor module
Input is connected.
7. a kind of digital sound wave collection pipe nipple according to claim 1, it is characterised in that the communication module includes CAN
Transceiver, the communication ends of the CAN transceiver are connected with the communication ends of the microprocessor module, and are passed with first data
Defeated end connection.
8. a kind of digital sound wave collection pipe nipple according to claim 1, it is characterised in that the front end socket is provided with shell
One of bottom surface, the socket also includes the rear end socket located at another bottom surface of shell, and the rear end socket includes
Second source input, the second synch command input, the second data transmission terminal and the second earth terminal, the second source are defeated
Enter end to be connected with first power input, the second synch command input is connected with first synchronous input end,
Second data transmission terminal is connected with the first data transmission end, and first earth terminal connects with second earth terminal
Connect.
9. a kind of digital sound wave collection pipe nipple according to claim 1, it is characterised in that also including regulating filtering module,
The regulating filtering module is connected with first input end power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720200665.6U CN206600169U (en) | 2017-03-03 | 2017-03-03 | A kind of digital sound wave gathers pipe nipple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720200665.6U CN206600169U (en) | 2017-03-03 | 2017-03-03 | A kind of digital sound wave gathers pipe nipple |
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| Publication Number | Publication Date |
|---|---|
| CN206600169U true CN206600169U (en) | 2017-10-31 |
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ID=60146552
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720200665.6U Active CN206600169U (en) | 2017-03-03 | 2017-03-03 | A kind of digital sound wave gathers pipe nipple |
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| CN (1) | CN206600169U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295891A (en) * | 2019-05-22 | 2019-10-01 | 中国石油天然气集团有限公司 | A kind of the longitudinal wave underground gain-adaptive control system and method for digital sound wave well logging |
| CN111983692A (en) * | 2020-07-13 | 2020-11-24 | 中国石油天然气集团有限公司 | Array sound wave digital signal communication acquisition control analog device |
-
2017
- 2017-03-03 CN CN201720200665.6U patent/CN206600169U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295891A (en) * | 2019-05-22 | 2019-10-01 | 中国石油天然气集团有限公司 | A kind of the longitudinal wave underground gain-adaptive control system and method for digital sound wave well logging |
| CN111983692A (en) * | 2020-07-13 | 2020-11-24 | 中国石油天然气集团有限公司 | Array sound wave digital signal communication acquisition control analog device |
| CN111983692B (en) * | 2020-07-13 | 2023-08-22 | 中国石油天然气集团有限公司 | Array sound wave digital signal communication acquisition control simulation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171128 Address after: 266000 A3-3, 4, medium and small business incubators, No. 1, jinyip Road, Qingdao high tech Zone, Shandong Patentee after: Qingdao Zhiteng Microelectronics Co.,Ltd. Address before: 266000 A3-3 layer of medium and small business incubator No. 1 of Kam Kam Road, Qingdao high tech Industrial Development Zone, Shandong Patentee before: QINGDAO HNYN MICROLECTRONICS CO., LTD. |
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| TR01 | Transfer of patent right |