CN203465427U - Dual detector with dual universal structure - Google Patents
Dual detector with dual universal structure Download PDFInfo
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- CN203465427U CN203465427U CN201320578057.0U CN201320578057U CN203465427U CN 203465427 U CN203465427 U CN 203465427U CN 201320578057 U CN201320578057 U CN 201320578057U CN 203465427 U CN203465427 U CN 203465427U
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- impedance matching
- universal
- matching box
- movement
- wave detectors
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Abstract
The utility model relates to a dual detector with a dual universal structure. The dual detector comprises a housing, a dual universal structure arranged inside the housing, a detector machine core, a matcher, and an output line; the detector machine core is fixedly arranged in the dual universal structure and is connected with the output line by the matcher. In addition, the dual detector also includes a hydrophone assembly that is arranged at the end portion of the housing and is connected with the output line. The provided dual detector with the dual universal structure has the advantages of high sensitivity and convenient usage.
Description
Technical field
The utility model belongs to passive detection technical field, relates to two wave detectors of a kind of pair of universal structure, and the water, the Lu Shuan that relate in particular to a kind of piezoelectric type acceleration wave detector and high sensitivity low frequency nautical receiving set examine seismoreceiver.
Background technology
Dual sensor is mainly used in shallow sea, shoal and deep sea petroleum exploration, mainly land, with wave detector and nautical receiving set probe, consists of.Land is that two or six moving-coil wave detectors use universal structures to guarantee that land can work with wave detector movement with the wave detector movement of wave detector.This nautical mile adopts piezoelectric seismometer in water, on beach, adopt two wave detectors of the dynamo-electric wave detector of moving-coil type, vibration physical quantity, switching mechanism, the frequency due to two kinds of wave detectors, responded to respond and induction sensitivity difference mutually, cause the seismic data frequency, phase place, the energy that obtain to have larger difference, in superposition is processed, reduced frequency and the resolving accuracy of signal.
Utility model content
In order to solve the above-mentioned technical matters existing in background technology, the utility model provides a kind of two wave detectors of two universal structures highly sensitive and easy to use.
Technical solution of the present utility model is: the utility model provides two wave detectors of a kind of pair of universal structure, comprises housing, is arranged on two universal structures, wave detector movement, adaptation and the output line of enclosure interior; Described wave detector movement is fixedly installed in two universal structures, and described wave detector movement is connected with output line by adaptation; Its special character is: two wave detectors of described pair of universal structure also comprise and are arranged on hydrophone component shell end and that be connected with output line.
Above-mentioned hydrophone component comprises nautical receiving set movement and impedance matching box; Described nautical receiving set movement is connected with output line by impedance matching box.
Above-mentioned nautical receiving set movement comprises piezoelectric ceramic piece; Described piezoelectric ceramic piece is provided with output terminal; Described impedance matching box comprises impedance matching box primary coil and the impedance matching box secondary coil corresponding with impedance matching box primary coil; Described piezoelectric ceramic piece output terminal is connected with impedance matching box primary coil; Described impedance matching box secondary coil is connected with output line.
Above-mentioned impedance matching box is annular resistive adaptation.
Two wave detectors of above-mentioned pair of universal structure also comprise entrant sound protective case, and described entrant sound protective case is connected with housing; It is inner that described hydrophone component is arranged on entrant sound protective case.
Above-mentioned wave detector movement is piezoelectric seismometer movement.
Above-mentioned piezoelectric seismometer movement comprises inertial mass, piezoelectric ceramics and base; Described inertial mass, piezoelectric ceramics and base superpose successively and form one-piece construction from top to bottom; Described base is fixedly installed in two universal structures; Described piezoelectric ceramics is connected with adaptation.
The utility model has the advantages that:
The utility model provides two wave detectors of a kind of pair of universal structure, the land that two wave detectors of this pair of universal structure adopt is to utilize some strong dielectric crystal to receive after external force with piezoelectric seismometer movement, its intramolecule produces polarization phenomena, make two surface produce the contrary electric charge of quantity equal symbol, produced electronic heat, the land principle of work of piezoelectric seismometer that Here it is, take mass as medium medium, it is feedback that the mass of take presses potsherd to produce voltage signal, then take adaptation as signal amplifier by voltage, be output.When external vibration forces the displacement of coasting body mass, by mass, oppress piezoelectric ceramics and produce voltage signal.Because the voltage producing depends on excitation signal, mass, the change curve that therefore character of piezoelectric ceramics and adaptation control voltage is with regard to real-time follow-up external force change curve, whole movement is in a set of universal structure, so just formed a set of complete mechanical shock system, added that corresponding match circuit has just formed the universal acceleration detector of piezoelectric type.The nautical receiving set that the utility model adopts has piezoelectric ceramic piece, piezoelectric ceramic piece output terminal is connected with impedance matching box primary coil, impedance matching box secondary coil is connected with output line, it is inner that piezoelectric ceramic piece and impedance matching box are encapsulated in entrant sound protective case, and its impedance matching box is annular resistive adaptation.Entrant sound shell has connected to form universal pair of wave detector of piezoelectric type by land with the universal wave detector of piezoelectricity and nautical receiving set.
The utility model has good acquisition capacity to the high frequency weak signal of deep layer, thin layer, can take into account low frequency signal again, and have enough bandwidth simultaneously, and bandwidth is 0～400Hz; The quality of coasting body and the high conformity of damping, therefore that the uniformity in waveform that sensor collects is lineups is good; The steady quality of coasting body, collects the high conformity of waveform; Damping is reasonable, and the aftershock of waveform is the requirement that " tail " meets exploration; Adopt universal structure that piezoelectric seismometer movement is kept straight down at any time, guaranteed the correctness of signal; The utility model is placed in movement in the betal can of a sealing simultaneously, makes movement can protect preferably the outside various interference of electromagnetic field, and the quality of collection signal is improved greatly; The outer coated one deck urethane rubber cover of betal can, makes movement have good anti-mechanical interference performance and good impact resistance, has further improved the quality of collection signal; Output terminal of the present utility model is connected with impedance transducer, can realize the long-distance transmissions of useful signal.The utility model has solved the problem that two kinds of wave detector induction different physical quantities and different induction mechanism bring, the history that two kinds, shallow sea, the beach induction mechanism wave detector that is through with can be no longer mixed; For shallow sea, beach high precision seismic exploration plays active promoting function; Improved the frequency that receives signal; Without power supply is provided, use that can be permanently effective, and whole for being rubber seal type, effective waterproof, can water-fast lower 100m; The polycarbonate hard plastic shell that the utility model adopts simultaneously effectively prevents from clashing into or machinery concussion.
Accompanying drawing explanation
Fig. 1 is the mechanical model schematic diagram of movement that the utility model adopts;
Fig. 2 is the structural model schematic diagram of movement that the utility model adopts;
Fig. 3 is the structural representation of two wave detectors of provided by the utility model pair of universal structure;
Wherein:
1-piezoelectric seismometer movement; The two inspections of 2-connect guard shield; 3-protecting sheathing lower cover; 4-protecting sheathing upper cover; 5-four-core waterproof plug; 6-nautical receiving set movement; 7-impedance matching box; 11-inertial mass; 12-piezoelectric ceramics; 13-base.
Embodiment
Referring to Fig. 3, the utility model provides two wave detectors of a kind of pair of universal structure, comprises housing, is arranged on two universal structures, wave detector movement, adaptation and the output line of enclosure interior; Wave detector movement is fixedly installed in two universal structures, and wave detector movement is connected with output line by adaptation; Two wave detectors of two universal structures also comprise and are arranged on hydrophone component shell end and that be connected with output line.
Hydrophone component comprises nautical receiving set movement 6 and impedance matching box 7; Nautical receiving set movement 6 is connected with output line by impedance matching box 7.
Nautical receiving set movement 6 comprises piezoelectric ceramic piece; Piezoelectric ceramic piece is provided with output terminal; Impedance matching box 7 comprises impedance matching box 7 primary coils and impedance matching box 7 secondary coils corresponding with impedance matching box 7 primary coils; Piezoelectric ceramic piece output terminal is connected with impedance matching box 7 primary coils; Impedance matching box 7 secondary coils are connected with output line.
Impedance matching box 7 is annular resistive adaptations 7.
Two wave detectors of two universal structures also comprise entrant sound protective case, and entrant sound protective case is connected with housing; It is inner that hydrophone component is arranged on entrant sound protective case; Entrant sound protective case is connected guard shield 2 with housing by two inspections and connects.
Referring to Fig. 1 and Fig. 2, the wave detector movement that the utility model adopts is piezoelectric seismometer movement 1; This piezoelectric seismometer movement 1 comprises inertial mass 11, piezoelectric ceramics 12 and base 13; Inertial mass 11, piezoelectric ceramics 12 and base 13 superpose successively and form one-piece construction from top to bottom; Base 13 is fixedly installed in two universal structures; Piezoelectric ceramics 12 is connected with adaptation.
Desirable wave detector both had good acquisition capacity to the high frequency weak signal of deep layer, thin layer, can take into account low frequency signal again, and had enough bandwidth, was generally 3～400Hz.The utility model i.e. design according to this: the quality of coasting body and the high conformity of damping, can guarantee that the consistance of waveform that sensor collects is lineups; The quality of coasting body is large, and the amplitude of the waveform that gathers is large; Movement is in silicone oil, and damping is enough large, and the aftershock of the waveform that gathers i.e. " tail " is little.
The large ship of basic structure, canoe, bearing bracket stand that the utility model is simplified; top cover; shell (comprises protecting sheathing lower cover 3 and protecting sheathing upper cover 4; protecting sheathing upper cover 4 is threaded with protecting sheathing lower cover 3); contact chip, urethane rubber cover, four-core waterproof plug 5; lines etc., piezoelectric seismometer movement 1 and nautical receiving set movement 6 are cores of whole device.Its ultimate principle that detects seismic acceleration signal is: land is to utilize some strong dielectric crystal to receive after external force with piezoelectric seismometer movement, its intramolecule produces polarization phenomena, make two surface produce the contrary electric charge of quantity equal symbol, produced electronic heat, the land principle of work of piezoelectric seismometer that Here it is, take mass as medium medium, and it is feedback that the mass of take presses potsherd to produce voltage signal, then take adaptation as signal amplifier by voltage, be output.When external vibration forces the displacement of coasting body mass, by mass, oppress piezoelectric ceramics 12 and produce voltage signal.Because the voltage producing depends on excitation signal, mass, the change curve that therefore character of piezoelectric ceramics 12 and adaptation control voltage is with regard to real-time follow-up external force change curve, whole movement is in a set of universal structure, so just formed a set of complete mechanical shock system, added that corresponding match circuit has just formed the universal acceleration detector of piezoelectric type.
Nautical receiving set has piezoelectric ceramic piece, piezoelectric ceramic piece output terminal is connected with impedance matching box 7 primary coils, impedance matching box 7 secondary coils are connected with output line, and it is inner that piezoelectric ceramic piece and impedance matching box 7 are encapsulated in entrant sound protective case, and its impedance matching box 7 is annular resistive adaptation 7.Entrant sound shell has connected to form universal pair of wave detector of piezoelectric type by land with the universal wave detector of piezoelectricity and nautical receiving set.
Claims (7)
1. two wave detectors for two universal structures, comprise housing, are arranged on two universal structures, wave detector movement, adaptation and the output line of enclosure interior; Described wave detector movement is fixedly installed in two universal structures, and described wave detector movement is connected with output line by adaptation; It is characterized in that: two wave detectors of described pair of universal structure also comprise and are arranged on hydrophone component shell end and that be connected with output line.
2. two wave detectors of according to claim 1 pair of universal structure, is characterized in that: described hydrophone component comprises nautical receiving set movement and impedance matching box; Described nautical receiving set movement is connected with output line by impedance matching box.
3. two wave detectors of according to claim 2 pair of universal structure, is characterized in that: described nautical receiving set movement comprises piezoelectric ceramic piece; Described piezoelectric ceramic piece is provided with output terminal; Described impedance matching box comprises impedance matching box primary coil and the impedance matching box secondary coil corresponding with impedance matching box primary coil; Described piezoelectric ceramic piece output terminal is connected with impedance matching box primary coil; Described impedance matching box secondary coil is connected with output line.
4. two wave detectors of according to claim 3 pair of universal structure, is characterized in that: described impedance matching box is annular resistive adaptation.
5. according to two wave detectors of the two universal structures described in claim 2 or 3 or 4, it is characterized in that: two wave detectors of described pair of universal structure also comprise entrant sound protective case, described entrant sound protective case is connected with housing; It is inner that described hydrophone component is arranged on entrant sound protective case.
6. two wave detectors of the two universal structures described in structure claim 1 or 2 or 3 or 4, is characterized in that: described wave detector movement is piezoelectric seismometer movement.
7. two wave detectors of according to claim 6 pair of universal structure, is characterized in that: described piezoelectric seismometer movement comprises inertial mass, piezoelectric ceramics and base; Described inertial mass, piezoelectric ceramics and base superpose successively and form one-piece construction from top to bottom; Described base is fixedly installed in two universal structures; Described piezoelectric ceramics is connected with adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320578057.0U CN203465427U (en) | 2013-09-17 | 2013-09-17 | Dual detector with dual universal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320578057.0U CN203465427U (en) | 2013-09-17 | 2013-09-17 | Dual detector with dual universal structure |
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| Publication Number | Publication Date |
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| CN203465427U true CN203465427U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320578057.0U Expired - Lifetime CN203465427U (en) | 2013-09-17 | 2013-09-17 | Dual detector with dual universal structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645504A (en) * | 2018-04-02 | 2018-10-12 | 中国人民解放军海军工程大学 | A kind of sound insulation type ground acoustic pressure electric transducer |
-
2013
- 2013-09-17 CN CN201320578057.0U patent/CN203465427U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645504A (en) * | 2018-04-02 | 2018-10-12 | 中国人民解放军海军工程大学 | A kind of sound insulation type ground acoustic pressure electric transducer |
| CN108645504B (en) * | 2018-04-02 | 2020-02-11 | 中国人民解放军海军工程大学 | Sound insulation type earth sound piezoelectric sensor |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170605 Address after: 710065, three floor, building three, Si Tan Industrial Park, 22 five road, hi tech Zone, Shaanxi, Xi'an Patentee after: XI'AN SITAN MEASUREMENT AND CONTROL TECHNOLOGY CO.,LTD. Address before: 710065 No. 22, No. five, hi tech Development Zone, Shaanxi, Xi'an Patentee before: Xi'an Sitan Instruments Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190705 Address after: 710065 No. 22 Science and Technology Fifth Road, Xi'an High-tech Zone, Shaanxi Province Patentee after: Xi'an Sitan Instruments Co.,Ltd. Address before: 710065 Third Floor of No.3 Building, Stan Industrial Park, 22 Science and Technology Fifth Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: XI'AN SITAN MEASUREMENT AND CONTROL TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140305 |
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| CX01 | Expiry of patent term |