CN106092662A - A kind of triggering device of sea floor sampling equipment - Google Patents
A kind of triggering device of sea floor sampling equipment Download PDFInfo
- Publication number
- CN106092662A CN106092662A CN201610389900.9A CN201610389900A CN106092662A CN 106092662 A CN106092662 A CN 106092662A CN 201610389900 A CN201610389900 A CN 201610389900A CN 106092662 A CN106092662 A CN 106092662A
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- frizzen
- cavity
- triggering
- housing
- sea floor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2294—Sampling soil gases or the like
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Remote Sensing (AREA)
- Soil Sciences (AREA)
- Analytical Chemistry (AREA)
- Geology (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Electromagnetism (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Geophysics And Detection Of Objects (AREA)
- Sampling And Sample Adjustment (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides the triggering device of a kind of sea floor sampling equipment, comprising: be internally provided with the housing of cavity；The mobile device being arranged on housing, including the frizzen that can axially move, and apply to push away the spring of the elastic force of housing to frizzen；And the recoil simulator being arranged on housing, it includes the inductor receiving frizzen movable signal, and the trigger of inductor is sent to the conveyer of sea floor sampling equipment.The present invention utilizes the cavity of housing to install each parts, avoids each parts to be corroded by seawater by sealing structure.Trigger device to contact with seabed in advance not in contact with during to seabed at sea floor sampling equipment, to utilize the deadweight of sea floor sampling equipment that mobile device is pressed to seabed, mobile device is made to produce change under extrusion, thus export the signal that corresponding sea floor sampling equipment has arrived at seabed, carrying out follow-up work for sea floor sampling equipment provides accurate timing.
Description
Technical field
Whether the present invention relates to geological research field, particularly relating to one can accurately provide for sea floor sampling equipment and arrive
Reach the triggering device of sampling position signal.
Background technology
Become Tibetan area at hydrate, owing to underground medium generally exists the difference in pressure and temperature and concentration and component,
In gas hydrate synthesis or decomposable process, the hydrocarbon gas of release and fluid are by dynamic migration, can its overlying bottom sediment,
Pore water and bottom seawater form hydrocarbon anomaly and other geochemical anomaly effects, substantial amounts of facts have proved pore water and
In bottom seawater, the exception of hydrocarbon gas (such as methane) and other gas (such as H2S) is the important of identification gas hydrates existence
One of mark, is followed the tracks of spatial abnormal feature and the motion of the gases such as CH4, H2S in seawater and pore water, can be quick, high by scene
Detect natural gas hydrate resources to effect to give a clue and foundation.
This type of sampling is usually in the seabed that several kms are deep, and whether sea floor sampling equipment reaches sampling position and be difficult to really
Fixed, and when start sampling and be not easy to control.Additionally, sea floor sampling equipment is after reaching sampling position, current sea can be confused
The environment at the end, re-sampling after needing standing a period of time to make current environment recover, just can get predetermined sampling sample.Above-mentioned
Various operations are required for a trigger accurately.
Content of the invention
The invention aims to provide one accurately can provide for sea floor sampling equipment and whether reach sampling position letter
Number triggering device.
Especially, the present invention provides the triggering device of a kind of sea floor sampling equipment, comprising:
Housing, is internally provided with cavity, and its relative two ends are respectively fixing end and trigger end；
Mobile device, is arranged on the triggering end of described housing, including by one end by this side cavity insert described housing and
Along the frizzen moving axially of described cavity, and can be arranged in this side cavity to apply to described frizzen to push away described touching
Make a start the spring of elastic force；
Recoil simulator, is arranged on the fixing end of described housing, including to receive described frizzen in being arranged on this side cavity
The inductor of movable signal, and the trigger by described inductor is sent to the conveyer of sea floor sampling equipment.
Further, described housing is the bullet being gradually tapered up to described triggering end diameter by described fixing end.
Further, triggering end is provided with the restriction set that the described frizzen of restriction moves axially distance, described restriction
Set includes the linkage section being connected by screw thread with described triggering end, described housing displacement relative with limiting described frizzen
Limit section.
Further, the internal diameter of described restriction section is more than the diameter of frizzen, in described restriction section away from described linkage section
Termination on be provided with the internal diameter retainer ring identical with described frizzen diameter, described frizzen passes through and inserts after described retainer ring
The cavity of described triggering end, is provided with radially protruding in its circle on the shaft that described frizzen inserts the one end in described cavity
The boss in week.
Further, described frizzen is fixed with diameter more than described frizzen diameter away from one end of described triggering end
Damping sheet.
Further, described fixing end is provided with the sealing lid of the cavities open sealing described fixing end, described sealing lid
Include that diameter is more than the block of the opening diameter of cavity described in this end, and the screw thread fixed by screw thread with described cavity successively
Section, and insert in described cavity sealing the seal section of described cavity, and for installing the support of described inductor.
Further, the circumferential surface that described seal section contacts with described cavity, is provided with the annular seal groove of indent,
In described seal groove, sealing ring is installed.
Further, described inductor is Hall element, in the termination of described frizzen and described spring contact one end
On magnet is installed, be provided with the dividing plate that described mobile device and described recoil simulator are separated, described Hall in described cavity
Sensor triggers according to magnetic flux during described magnet preset distance.
Further, the described lid that seals axially inside is provided with line channel, is provided with confession described in described block
The jack interface that control unit cable connects, described Hall element is connected with described jack interface by cable.
Further, described inductor is tongue tube, peace on the termination with described spring contact one end for the described frizzen
Equipped with magnet, in described cavity, be provided with the dividing plate that described mobile device and described recoil simulator are separated, described tongue tube by
Magnetic field intensity when described magnet reaches precalculated position triggers.
The present invention utilizes the cavity of housing to install each parts, avoids each parts to be invaded by seawater by sealing structure
Erosion.Trigger device contact with seabed in advance not in contact with during to seabed at sea floor sampling equipment, to utilize oneself of sea floor sampling equipment
Heavily mobile device is pressed to seabed, make mobile device produce change under extrusion, thus export corresponding sea floor sampling equipment
Through reaching the signal in seabed, carrying out follow-up work for sea floor sampling equipment provides accurate timing.
Brief description
Fig. 1 is to trigger apparatus structure schematic diagram according to an embodiment of the invention；
In figure: the fixing end of 10-housing, 11-, 12-trigger end, 13-cavity, 14-dividing plate, 20-mobile device, 21-triggering
Bar, 22-spring, 23-damping sheet, 24-boss, 25-magnet, 30-recoil simulator, 31-inductor, 32-conveyer, 40-limit
System set, 41-linkage section, 42-limit section, 50-sealing lid, 51-block, 52-thread segment, 53-seal section, 531-seal groove,
532-sealing ring, 54-support, 100-trigger device.
Detailed description of the invention
As it is shown in figure 1, the device 100 that triggers that the present embodiments relate to includes the shell for installing each parts in general manner
Body 10, is provided with the mobile device 20 triggering according to external force effect on housing, and sends trigger to control system
Recoil simulator 30.
This housing 10 be internally provided with cavity 13, its relative two ends are respectively fixing with what sea floor sampling equipment was installed
End 11, and the triggering end 12 stretching out outside sea floor sampling equipment.This mobile device 20 is arranged on the triggering end 12 of housing, specifically includes
In this side cavity 13 being inserted housing 10 by one end and along the frizzen 21 moving axially of cavity 13, and this side can be arranged on
To apply to push away the spring 22 of triggering end 12 elastic force to frizzen 21 in cavity 13.This recoil simulator 30 is arranged on consolidating of housing 10
Fixed end 11, including with the inductor 31 of reception frizzen 21 movable signal in being arranged on this side cavity 13, and by inductor 31
Trigger transmits the conveyer 32 specifying receiving area.
Housing 10 in the present embodiment uses cavity 13 to install each parts, avoids each parts by sea by sealing structure
The erosion of water.After housing 10 is installed on sea floor sampling equipment by fixing end 11, its triggering end 12 needs to stretch out seabed and adopts
Outside sample equipment, contact with seabed in advance not in contact with during to seabed at sea floor sampling equipment, to utilize oneself of sea floor sampling equipment
Heavily mobile device 20 is pressed to seabed, make mobile device 20 produce change under extrusion, thus export corresponding sea floor sampling and set
The standby signal having arrived at seabed, carrying out follow-up work for sea floor sampling equipment provides accurate timing.
One end of the frizzen 21 of mobile device 20 is limited in triggering end 12 cavity 13 of housing 10, and the other end is at bullet
Stretching out under the effect of spring 22 elastic force outside housing 10, when sea floor sampling equipment reaches seabed, the external part of frizzen 21 can be in sea
Overcoming the elastic force of spring 22 to move in housing 10 under the extruding in end sample devices and seabed, frizzen 21 other end is at housing
Motion in 10, can trigger the inductor 31 in its movement travel, and this signal is sent by inductor 31 by conveyer 30
To the control unit of sea floor sampling equipment, or send the control centre to sea by cable, thus obtain sea floor sampling and set
The standby time reaching seabed, the enforcement for subsequent sampling work provides normative reference.Concrete frizzen 21 triggers inductor
The mode of 31, can be the modes such as magnetic force induction, physics touching, link transmission.The sea that conveyer 30 is installed together to it
When end sample devices transmits signal, can be by way of cable, it is also possible to wirelessly.
Further, in one embodiment of the invention, for limiting the displacement of frizzen 21, end can triggered
Arranging on 12 and limiting the restriction set 40 that frizzen 21 moves axially distance, this restriction set 40 includes by screw thread and triggers end 12 even
The linkage section 41 connecing, with the restriction section 42 limiting frizzen 21 relative housing 10 displacement.
During installation, it is fixing with the triggering end 12 of housing 10 that linkage section 41 can pass through external screw thread or internal thread, and limits set
40 limit the displacement of frizzen 21 by corresponding limiting structure, limit set 40 and can pass through linkage section 41 and trigger end 12
Connection when length adjustment limit section 42 length, thus reach adjust frizzen 21 displacement purpose.Limit therein
Structure processed can be to coordinate with the corresponding site on frizzen 21, to realize the arbitrary structures of screens, stop, as spring 22 is consolidated
Being scheduled in housing 10, and one end that frizzen 21 contacts with spring 22 being fixed, frizzen 21 both can be executed by such spring 22
Add elastic force, be prevented from again frizzen 21 and depart from.Although the open set 40 that limits of the present embodiment is by engagement thread with housing 10 even
Connect, but in other embodiments, it is also possible to it is to connect by the mode such as bolt, clip.
Further, this restriction set 40 also can be fixed on frizzen 21, when frizzen 21 moves to certain position,
The triggering end 12 limiting section 42 with housing 10 forms extension, gear structure, thus reaches to limit the purpose of frizzen 21 displacement.
Specifically, in one embodiment of the invention, the concrete structure of this restriction section 42 may is that in restriction section 42 remote
Being provided with the internal diameter retainer ring 43 identical with frizzen 21 diameter on the termination of linkage section 41, this frizzen 21 passes through retainer ring
After 43 insert trigger end 12 cavity 13, the shaft that frizzen 21 inserts the one end in cavity 13 is provided with radially protruding in
The boss 24 of its circumference.Under normal circumstances, frizzen 21 is biased toward outside housing 10 under the elastic force effect of spring 22, works as frizzen
When boss 24 on 21 comes in contact with retainer ring 43, frizzen 21 is limited in current location.When frizzen 21 and seabed connect
When touching, frizzen 21 overcomes the elastic force of spring 22 to be pressed towards the inside of cavity 13 under stress, thus triggers inductor 31.Work as sea
When carrying on end sample devices, frizzen 21 loses external pressure, is then ejected again under the elastic force effect of spring 22, until convex
Platform 24 contacts again with retainer ring 43.
For avoiding the occurrence of accident, a sea floor sampling equipment can arrange multiple triggering device 100, respectively trigger device
100 diverse locations that can lay respectively at sea floor sampling equipment.And when judging trigger, all triggering devices can be used
100 are as the criterion when all sending trigger, it is also possible to part triggers when device 100 sends trigger and is as the criterion.
Transfering to for preventing housing 10 to be difficult to after inserting seabed, the profile of this housing 10 can be to triggering end by fixing end 11
The bullet that 12 diameters gradually taper up.When housing 10 is to trigger end 12 and insert seabed, the structure of its bullet can be in seabed shape
Become the jack of a divergent contour, do not interfere with later stage sea floor sampling equipment on carry, and the structure of taper also can make insertion
After triggering device 100 more stable.
Further, for improving the stressed effect of frizzen 21, this frizzen 21 can be consolidated away from the one end triggering end 12
Determine the damping sheet 23 more than frizzen 21 diameter for the diameter.The seabed conducted to frizzen 21 can be strengthened by damping sheet 23
Pressure, so that it is guaranteed that promote frizzen 21 to move, and then triggers inductor 31.
Further, for avoiding recoil simulator 30 by sea water intrusion, it is fixing that the fixing end 11 of this housing 10 is provided with sealing
Holding the sealing lid 50 of 11 side cavity 13 openings, this sealing lid 50 includes that diameter is more than the opening diameter of this end cavity 13 successively
Block 51, and by screw thread and the fixing thread segment 52 of cavity 13, and it is interior to seal the seal section 53 of cavity 13 to insert cavity 13,
And for installing the support 54 of inductor 31.
Sealing lid 50 during installation to be screwed in cavity 13 by thread segment 52, block 51 is used for closing the opening of cavity 13, and
Seal section 53 can form one section of sealant in cavity 13, it is to avoid seawater is by the contact position entrance sealing lid 50 and cavity 13
Corrode inductor 31.Mounting seat can be set on support 54, be used for stationary induction apparatus 31 and conveyer 32.This structure is conveniently torn open
Unload and install.For improving the sealing effectiveness of seal section 53, the circumferential surface that can contact with cavity 13 at seal section 53, in arranging
Recessed annular seal groove 531, installs sealing ring 532 in seal groove 531.Concrete seal groove 531 quantity can arrange 2～4
Road.
Further, the inductor 31 of the present invention can use Hall element, contacts one at frizzen 21 with spring 22
On the termination of end, magnet 25 is installed, in cavity 13, is provided with the dividing plate 14 that mobile device 20 and recoil simulator 30 are separated,
After utilizing dividing plate 14 to separate both, sealing grade can be respectively provided with for mobile device 20 and conveyer 30, such as signal
The sealing property that device 30 requires is higher, and the sealing property that mobile device 20 requires is relatively low, by the structure of dividing plate 14, permissible
The encapsulation process reducing whole equipment requires, simplifies and installs.In use, Hall element is according to during magnet 25 preset distance
Magnetic flux triggers.As when spring 22 being compressed to certain position under frizzen 21 is at subsea pressure, on opposite brackets 54 suddenly
That sensor, the magnetic flux of magnet 25 increases to activate the conduction amount of Hall element.
As, before triggering device 100 and inserting seabed, frizzen 21 moves down under the elastic force effect of spring 22 and stretches out housing 10
Outward, the magnet 25 of its other end is away from Hall element farther out, and at Hall element, magnetic induction intensity is less than its conduction threshold BOP
(operating point), Hall element exports high level all the time by conveyer 32.When frizzen 21 is pushed back in cavity 13 and arrives
When reaching the stress extreme position of spring 22, the magnetic induction intensity that Hall element senses is higher than its conduction threshold BOP, Hall
Sensor exports output low level.The control unit of sea floor sampling equipment is according in advance to high level signal and low level signal
Definition, starts to control sampling process.
In the present embodiment, the transmission for convenience of signal, can axially inside arrange line channel sealing lid 50,
Arranging the jack interface connecting for control unit cable in block 51, Hall element is connected with jack interface by cable.Control
Unit cable processed can be connected with jack interface by waterproof plug.
Further, in another embodiment of the present invention, this inductor 31 can be tongue tube, frizzen 21 with
Spring 22 contacts and is provided with magnet 25 on the termination of one end, be provided with in cavity 13 by mobile device 20 and recoil simulator 30 every
The dividing plate 14 opened, this tongue tube is reached magnetic field intensity during precalculated position by magnet 25 and triggers.
So far, although those skilled in the art will appreciate that detailed the multiple of the present invention of illustrate and describing show herein
Example embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure
Determine or derive other variations or modifications of many meeting the principle of the invention.Therefore, the scope of the present invention is it is understood that and recognize
It is set to and cover other variations or modifications all these.
Claims (10)
1. the triggering device of a sea floor sampling equipment, it is characterised in that include:
Housing, is internally provided with cavity, and its relative two ends are respectively fixing end and trigger end；
Mobile device, is arranged on the triggering end of described housing, including inserted described housing and can edge by one end by this side cavity
The frizzen moving axially of described cavity, and it is interior to apply to described frizzen to push away described triggering end to be arranged on this side cavity
The spring of elastic force；
Recoil simulator, is arranged on the fixing end of described housing, including move to receive described frizzen in being arranged on this side cavity
The inductor of signal, and the trigger by described inductor is sent to the conveyer of sea floor sampling equipment.
2. triggering device according to claim 1, it is characterised in that
Described housing is the bullet being gradually tapered up to described triggering end diameter by described fixing end.
3. triggering device according to claim 1, it is characterised in that
Limiting, triggering to be provided with on end, the restriction set that described frizzen moves axially distance, described restriction set includes passing through screw thread
The linkage section being connected with described triggering end, the restriction section of described housing displacement relative with limiting described frizzen.
4. triggering device according to claim 3, it is characterised in that
The internal diameter of described restriction section, more than the diameter of frizzen, is provided with on the described restriction termination away from described linkage section for the section
The internal diameter retainer ring identical with described frizzen diameter, described frizzen inserts the sky of described triggering end after passing through described retainer ring
Chamber, is provided with radially protruding in the boss of its circumference on the shaft that described frizzen inserts the one end in described cavity.
5. triggering device according to claim 1, it is characterised in that
Described frizzen is fixed with the damping sheet more than described frizzen diameter for the diameter away from one end of described triggering end.
6. triggering device according to claim 1, it is characterised in that
Described fixing end is provided with the sealing lid of the cavities open sealing described fixing end, and described sealing lid includes that diameter is big successively
In the block of the opening diameter of cavity described in this end, and the thread segment fixed with described cavity by screw thread, and insert described sky
With the seal section of the described cavity of sealing in chamber, and for installing the support of described inductor.
7. triggering device according to claim 6, it is characterised in that
The circumferential surface that described seal section contacts with described cavity, is provided with the annular seal groove of indent, in described seal groove
Sealing ring is installed.
8. triggering device according to claim 1, it is characterised in that
Described inductor is Hall element, is provided with magnet on the termination with described spring contact one end for the described frizzen,
Being provided with the dividing plate separating described mobile device and described recoil simulator in described cavity, described Hall element is according to described
Magnetic flux during magnet preset distance triggers.
9. triggering device according to claim 8, it is characterised in that
The described lid that seals axially inside is provided with line channel, is provided with for described control unit cable even in described block
The jack interface connecing, described Hall element is connected with described jack interface by cable.
10. triggering device according to claim 1, it is characterised in that
Described inductor is tongue tube, is provided with magnet on the termination with described spring contact one end for the described frizzen, described
Being provided with the dividing plate separating described mobile device and described recoil simulator in cavity, described tongue tube is reached pre-by described magnet
Magnetic field intensity when positioning is put triggers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389900.9A CN106092662B (en) | 2016-06-02 | 2016-06-02 | A kind of trigger device of sea floor sampling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389900.9A CN106092662B (en) | 2016-06-02 | 2016-06-02 | A kind of trigger device of sea floor sampling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106092662A true CN106092662A (en) | 2016-11-09 |
| CN106092662B CN106092662B (en) | 2018-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610389900.9A Expired - Fee Related CN106092662B (en) | 2016-06-02 | 2016-06-02 | A kind of trigger device of sea floor sampling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106092662B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736644A (en) * | 2019-08-12 | 2020-01-31 | 浙江省海洋水产研究所 | Bottom-sinking type micro plastic collector |
| CN110736643A (en) * | 2019-08-12 | 2020-01-31 | 浙江省海洋水产研究所 | Sampling device for collecting micro-plastic deposited on the seabed |
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| SU637620A1 (en) * | 1977-06-22 | 1978-12-15 | Морской Гидрофизический Институт Ан Украинской Сср | Bottom water-and-ground sampler |
| US4329883A (en) * | 1974-04-26 | 1982-05-18 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus for collecting deep-sea sediment pore water |
| CN104677676A (en) * | 2015-01-21 | 2015-06-03 | 浙江理工大学 | Water collecting device |
| CN205010448U (en) * | 2015-10-10 | 2016-02-03 | 杭州墨锐机电科技有限公司 | Induction type touches end detecting device |
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2016
- 2016-06-02 CN CN201610389900.9A patent/CN106092662B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4329883A (en) * | 1974-04-26 | 1982-05-18 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus for collecting deep-sea sediment pore water |
| SU637620A1 (en) * | 1977-06-22 | 1978-12-15 | Морской Гидрофизический Институт Ан Украинской Сср | Bottom water-and-ground sampler |
| CN104677676A (en) * | 2015-01-21 | 2015-06-03 | 浙江理工大学 | Water collecting device |
| CN205010448U (en) * | 2015-10-10 | 2016-02-03 | 杭州墨锐机电科技有限公司 | Induction type touches end detecting device |
Non-Patent Citations (1)
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| 杨剑涛等: "一种 AUV 自主采样控制技术的研究与实现", 《电子测量技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736644A (en) * | 2019-08-12 | 2020-01-31 | 浙江省海洋水产研究所 | Bottom-sinking type micro plastic collector |
| CN110736643A (en) * | 2019-08-12 | 2020-01-31 | 浙江省海洋水产研究所 | Sampling device for collecting micro-plastic deposited on the seabed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106092662B (en) | 2018-12-21 |
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Granted publication date: 20181221 |