CN110244347A - A kind of mechanical underwater source - Google Patents
A kind of mechanical underwater source Download PDFInfo
- Publication number
- CN110244347A CN110244347A CN201910561543.3A CN201910561543A CN110244347A CN 110244347 A CN110244347 A CN 110244347A CN 201910561543 A CN201910561543 A CN 201910561543A CN 110244347 A CN110244347 A CN 110244347A
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- China
- Prior art keywords
- eardrum
- hammer
- directed cavity
- source according
- shell
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/143—Generating seismic energy using mechanical driving means, e.g. motor driven shaft
- G01V1/155—Generating seismic energy using mechanical driving means, e.g. motor driven shaft using reciprocating masses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Percussion Or Vibration Massage (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of mechanical underwater sources, and the shell of the first opening is equipped with including one end；Directed cavity is set in the housing portion, and directed cavity first end is equipped with front opening, and directed cavity second end is equipped with open rearward end, and the edge of front opening is connect with the first opening inner side rim seal；Eardrum is set to open rearward end, covering part or whole open rearward ends；Electromagnetism impact portion is set in the housing portion, and electromagnetism impact portion includes hammer, electromagnetic relay, and hammer includes piston rod and hammer body, and hammer is set to side of the eardrum far from the directed cavity, and impact gap is equipped between hammer and eardrum；It is reciprocating to realize that the periodicity to eardrum strikes towards eardrum that electromagnetic relay is used to control hammer；Piston rod is arranged in electromagnetic relay, and directed cavity cavity wall is vibration wave reflecting wall, and the hammer vibration wave that periodically impact eardrum generates is transmitted through directed cavity.The seismic source energy distributes fast, high conversion rate, small in size, safe and reliable, strong applicability.
Description
Technical field
The invention belongs to underwater exploration field more particularly to a kind of mechanical underwater sources.
Background technique
People increasingly pay close attention to the exploration of water environment now, also more and more significant to the equipment requirement of underwater exploration, ground
Shaking Imaging Method is a kind of very effective underwater exploration method, is mainly reflected using receiving again after focus firing stress wave
Transmitted wave achieve the purpose that differentiate stratum.
There are two types of existing underwater exploration focus: one is air gun type focus, another kind is electrical fire fancy focus.Air gun type
Focus is to generate shock wave using compressed air；Electrical fire fancy focus is to vaporize surrounding medium to form high pressure using high-voltage electricity
Area, to generate shock wave.
However air gun type focus is since inside is equipped with compressor, and it is bulky, it has not been convenient to it transports, it is at high cost；And electric spark
Formula focus is although small and exquisite, but controls inaccuracy for the time, and energy is still extremely limited under high voltage, and is easy the presence of electric leakage danger
Danger, less safe, high current generates energy diverging, conversion ratio by can also generate very big interference to acquisition data result
It is low, it cannot effectively prevent the interference of the underwater sound.These disadvantages have seriously affected the efficiency of underwater exploration operation.
Summary of the invention
To solve the above problems, the technical problem to be solved in the present invention is to provide a kind of mechanical underwater source focus energy
Amount distributes fast, high conversion rate, small in size, safe and reliable, strong applicability.
The technical solution of the present invention is as follows:
A kind of mechanical underwater source, comprising:
Shell, one end of the shell are equipped with the first opening；
Directed cavity is disposed in the housing portion, and the directed cavity first end is equipped with front opening, the directed cavity second
End is equipped with open rearward end, and the edge of the front opening is connect with the first opening inner side rim seal；
Eardrum is set to the open rearward end, and the eardrum covering part or whole open rearward ends；
Electromagnetism impact portion, is disposed in the housing portion, and the electromagnetism impact portion includes:
Hammer, including piston rod and hammer body, the hammer are set to side of the eardrum far from the directed cavity, and
And impact gap is equipped between the hammer and the eardrum；
Electromagnetic relay, it is reciprocating to realize to the eardrum towards the eardrum for controlling the hammer
Periodically impact；
Wherein, the piston rod is arranged in the electromagnetic relay, and the directed cavity cavity wall is vibration wave reflecting wall, institute
The hammer vibration wave that periodically the impact eardrum generates is stated to transmit through the directed cavity.
An embodiment according to the present invention, the directed cavity cavity wall are the paraboloid of revolution.
An embodiment according to the present invention, the eardrum are located at the paraboloid of revolution focal position.
An embodiment according to the present invention, the shell is interior to be filled with vibration isolation material.
An embodiment according to the present invention, the vibration isolation material are Foamex.
An embodiment according to the present invention further includes power supply unit.
An embodiment according to the present invention, the power supply unit are cable, and the cable is connected to described across the shell
Electromagnetic relay, the cable other end are connected to external power supply.
An embodiment according to the present invention, the power supply unit are battery, and the battery is set in the housing portion, and is connected to institute
State electromagnetic relay.
An embodiment according to the present invention, the shell are cylinder.
An embodiment according to the present invention, the eardrum are steel plate.
The present invention due to using the technology described above, makes it have the following advantages that and actively imitate compared with prior art
Fruit:
(1) present invention is made of shell, directed cavity, eardrum, electromagnetism impact portion, and overall structure small volume can be with ship
Bottom is cared for, convenient transportation, can be used for various complicated, strong applicability.
(2) electromagnetism impact portion is made of electromagnetic relay and hammer, can control the big of input electromagnetic relay electric current
The path length of small control impact dynamics, hammer can be adjusted by electromagnetic relay on-off road alt time, adjust hammer road
Diameter length also can control impact dynamics, therefore source level adjustable extent is big.
(3) directed cavity cavity wall is the paraboloid of revolution, and eardrum is located at paraboloid of revolution focus, so that tapping the vibration that eardrum generates
Dynamic wave parallel vertical directive stratum after the reflection of directed cavity cavity wall, has the function of directional transmissions, penetration power is strong, energy transformation ratio
It is high.
(4) enclosure interior is filled with vibration isolation material, and shell only has one side to be open and is cylinder, so that vibration wave partition exists
Inside, energy consumption is small, and effectively prevents the interference of the underwater sound, and filling vibration isolation material can mitigate weight, reduce cost, economy
It is practical.
(5) power supply unit have cable connection external power supply and two kinds of internal cell it is optional, keep practical application more flexible, adopt
With cable connect external power supply power supply it is more safe and reliable, using battery power it is more portable, more convenient.
(6) eardrum is that steel plate makes generation vibration wave stronger, and eardrum is more durable.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is a kind of mechanical underwater source overall perspective of the invention；
Fig. 2 is a kind of mechanical underwater source entirety sectional view of the invention.
Description of symbols:
1: shell；2: directed cavity cavity wall；3: eardrum；4: electromagnetic relay；5: piston rod；6: hammer body；7: directed cavity.
Specific embodiment
It is further detailed to a kind of mechanical underwater source work proposed by the present invention below in conjunction with the drawings and specific embodiments
Explanation.According to following explanation and claims, advantages and features of the invention will be become apparent from.It should be noted that attached drawing is adopted
With very simplified form and using non-accurate ratio, only to facilitate, lucidly aid in illustrating the embodiment of the present invention
Purpose.
Embodiment 1
Referring to Fig. 1, the present embodiment provides a kind of mechanical underwater source, including shell 1, shell 1 is whole device skeleton,
Have the function of support, protection and waterproof, shell 1 can be hollow, filling vibration isolation material, can also be directly by vibration isolation material one
Body formed, one end of the shell 1 is equipped with the first opening, the material and shell 1 of vibration isolation there was only one side opening so that vibration wave every
Break in inside, energy consumption is small, and effectively prevents the interference of the underwater sound, so that anti-interference ability greatly enhances；Directed cavity 7, if
Inside the shell 1, play the role of conduction vibration wave, directed cavity 7 is a cavity in shell 1, directed cavity cavity wall 2
For a part of shell, and 7 first end of the directed cavity is equipped with front opening, and 7 second end of directed cavity is equipped with open rearward end,
The edge of the front opening is connect with the first opening inner side rim seal, before the first opening and directed cavity 7 of shell 1
End opening can be overlapped or be arranged in parallel on same position, opening edge edge.Eardrum 3, eardrum 3 are used to generate vibration wave, if
At the open rearward end, and 3 covering part of the eardrum or whole open rearward ends, when eardrum 3 is installed and open rearward end
Enclosed construction is formed, waterproof action is reached；Electromagnetism impact portion is set to inside the shell 1, and the electromagnetism impact portion includes impact
Hammer and electromagnetic relay 4, hammer includes piston rod 5 and hammer body 6, and piston rod 5 and hammer body 6 can be integrally formed, can also can
The connection of disassembly, the hammer be set to side of the eardrum 3 far from the directed cavity 7, and the hammer with it is described
Impact gap is equipped between eardrum 3；Electromagnetic relay 4 for control the hammer towards the eardrum 3 it is reciprocating with
It realizes and the periodicity of the eardrum 3 is struck, form focus；Wherein, the piston rod 5 is arranged in the electromagnetic relay 4,
Magnet control piston rod 5 in electromagnetic relay 4 pumps, and the directed cavity cavity wall 2 is vibration wave reflecting wall, institute
The hammer vibration wave that periodically the impact eardrum 3 generates is stated to transmit through the directed cavity 7.Overall structure is by shell 1, guiding
Chamber 7, eardrum 3, electromagnetism impact portion composition, small volume can be cared for hull bottom, and convenient transportation can be used for various complicated,
Strong applicability；It moves up and down due to controlling hammer using electromagnetic relay 4, can control the control of electromagnet input current size
Impact dynamics and control on-off road alt time length adjust hammer path length to reach the work for adjusting source level size
With, therefore source level adjustable extent is big.
When being related to concrete application, size and the on-off road traffic time that electric current input is first adjusted according to investigation depth are long
It is short that source dimension is set, the focus is placed alow or other suitable positions after setting, then starts focus, electromagnetism
The work of relay 4 drives hammer to make back and forth to tap movement towards eardrum 3, generates vibration wave, and vibration wave is reflected through directed cavity 7 to be sent out
Shed, vibration wave the bottom propagation encounter subbottom reflector formed new back wave be received equipment receive.
Further, the directed cavity cavity wall 2 is the paraboloid of revolution.
Further, the eardrum 3 is located at the paraboloid of revolution focal position.2 in-profile of directed cavity cavity wall is in rotation
Turn paraboloid, and eardrum 3 is located at paraboloid of revolution focal position, paraboloid reflected in parallel principle is utilized, so that tapping eardrum 3
The oriented parallel vertical injection of the vibration wave of formation, penetration power is strong, has orientating function, the unnecessary loss of the energy of reduction, warp
It helps practical.
Further, vibration isolation material is filled in the shell 1.Filling vibration isolation material can mitigate weight, reduce cost,
It is economical and practical.
Further, the vibration isolation material is Foamex.Foamex is easy to use, and ductility is good and economical and practical.
It further, further include power supply unit.
Further, the power supply unit is cable, and the cable passes through the shell 1 and is connected to the electromagnetic relay
4, the cable other end is connected to external power supply.It is more safe and reliable that external power supply power supply is connect using cable.
Further, the power supply unit be battery, the battery be set to shell 1 inside, and be connected to the electromagnetism after
Electric appliance 4.It is powered using battery more portable, more convenient.
Further, the shell 1 is cylinder.Cylinder is more suitable integral arrangement, fabricates also more square
Just.
Further, the eardrum 3 is steel plate.Steel plate makes generation vibration wave stronger, and eardrum 3 is more durable.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode.Even if to the present invention, various changes can be made, if these variations belong to the model of the claims in the present invention and its equivalent technologies
Within enclosing, then still fall within the protection scope of the present invention.
Claims (10)
1. a kind of mechanical underwater source characterized by comprising
Shell, one end of the shell are equipped with the first opening；
Directed cavity is disposed in the housing portion, and the directed cavity first end is equipped with front opening, and the directed cavity second end is set
There is open rearward end, the edge of the front opening is connect with the first opening inner side rim seal；
Eardrum is set to the open rearward end, and the eardrum covering part or whole open rearward ends；
Electromagnetism impact portion, is disposed in the housing portion, and the electromagnetism impact portion includes:
Hammer, including piston rod and hammer body, the hammer are set to side of the eardrum far from the directed cavity, and institute
It states and is equipped with impact gap between hammer and the eardrum；
Electromagnetic relay, it is reciprocating to realize the period to the eardrum towards the eardrum for controlling the hammer
Property impact；
Wherein, the piston rod is arranged in the electromagnetic relay, and the directed cavity cavity wall is vibration wave reflecting wall, described to hit
The hammer vibration wave that periodically the impact eardrum generates is beaten to transmit through the directed cavity.
2. a kind of mechanical underwater source according to claim 1, which is characterized in that the directed cavity cavity wall is that rotation is thrown
Object plane.
3. a kind of mechanical underwater source according to claim 2, which is characterized in that the eardrum is located at rotation throwing
Object plane focal position.
4. a kind of mechanical underwater source according to claim 1, which is characterized in that be filled with vibration isolation material in the shell
Material.
5. a kind of mechanical underwater source according to claim 4, which is characterized in that the vibration isolation material is foaming tree
Rouge.
6. a kind of mechanical underwater source according to claim 1, which is characterized in that further include power supply unit.
7. a kind of mechanical underwater source according to claim 6, which is characterized in that the power supply unit is cable, institute
It states cable and is connected to the electromagnetic relay across the shell, the cable other end is connected to external power supply.
8. a kind of mechanical underwater source according to claim 6, which is characterized in that the power supply unit is battery, institute
It states battery and is set in the housing portion, and be connected to the electromagnetic relay.
9. a kind of mechanical underwater source according to any one of claims 1 to 8, which is characterized in that the shell is circle
Cylindricality.
10. a kind of mechanical underwater source according to any one of claims 1 to 8, which is characterized in that the eardrum is
Steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561543.3A CN110244347B (en) | 2019-06-26 | 2019-06-26 | Mechanical underwater seismic source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561543.3A CN110244347B (en) | 2019-06-26 | 2019-06-26 | Mechanical underwater seismic source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110244347A true CN110244347A (en) | 2019-09-17 |
| CN110244347B CN110244347B (en) | 2020-12-22 |
Family
ID=67889622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910561543.3A Active CN110244347B (en) | 2019-06-26 | 2019-06-26 | Mechanical underwater seismic source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110244347B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117723637A (en) * | 2024-02-09 | 2024-03-19 | 同济大学 | Tunnel contact type detection system and periodic shock wave excitation device thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2314387Y (en) * | 1997-10-17 | 1999-04-14 | 胜利石油管理局地球物理勘探开发公司 | Seismic hammer for directional blasting for geological exploration |
| CN104932006A (en) * | 2015-06-02 | 2015-09-23 | 甘肃智通科技工程检测咨询有限公司 | Mechanical energy automatic lossless excitation apparatus of artificial seismic waves in tunnel geological advanced forecast |
| CN107037477A (en) * | 2016-12-28 | 2017-08-11 | 吉林大学 | A kind of electromagnetic type controlled source |
| US20170335685A1 (en) * | 2016-05-19 | 2017-11-23 | Baker Hughes Incorporated | Encapsulated phased array segment for downhole applications |
| CN109709600A (en) * | 2019-03-06 | 2019-05-03 | 防灾科技学院 | Reaction type earthquake vibration pickup mechanical pendulum and its design method |
| CN208953699U (en) * | 2018-11-27 | 2019-06-07 | 北京市水电物探研究所 | A kind of anti-interference high-resolution seismic exploration wave producer in full waters |
-
2019
- 2019-06-26 CN CN201910561543.3A patent/CN110244347B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2314387Y (en) * | 1997-10-17 | 1999-04-14 | 胜利石油管理局地球物理勘探开发公司 | Seismic hammer for directional blasting for geological exploration |
| CN104932006A (en) * | 2015-06-02 | 2015-09-23 | 甘肃智通科技工程检测咨询有限公司 | Mechanical energy automatic lossless excitation apparatus of artificial seismic waves in tunnel geological advanced forecast |
| US20170335685A1 (en) * | 2016-05-19 | 2017-11-23 | Baker Hughes Incorporated | Encapsulated phased array segment for downhole applications |
| CN107037477A (en) * | 2016-12-28 | 2017-08-11 | 吉林大学 | A kind of electromagnetic type controlled source |
| CN208953699U (en) * | 2018-11-27 | 2019-06-07 | 北京市水电物探研究所 | A kind of anti-interference high-resolution seismic exploration wave producer in full waters |
| CN109709600A (en) * | 2019-03-06 | 2019-05-03 | 防灾科技学院 | Reaction type earthquake vibration pickup mechanical pendulum and its design method |
Non-Patent Citations (1)
| Title |
|---|
| 佟训乾 等: ""陆地可控震源发展综述"", 《地球物理学进展》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117723637A (en) * | 2024-02-09 | 2024-03-19 | 同济大学 | Tunnel contact type detection system and periodic shock wave excitation device thereof |
| CN117723637B (en) * | 2024-02-09 | 2024-04-19 | 同济大学 | Tunnel contact type detection system and periodic shock wave excitation device thereof |
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| Publication number | Publication date |
|---|---|
| CN110244347B (en) | 2020-12-22 |
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