CN113390673B - Deep sea sampling trigger release device based on marine physical and chemical parameters - Google Patents
Deep sea sampling trigger release device based on marine physical and chemical parameters Download PDFInfo
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- CN113390673B CN113390673B CN202110537896.7A CN202110537896A CN113390673B CN 113390673 B CN113390673 B CN 113390673B CN 202110537896 A CN202110537896 A CN 202110537896A CN 113390673 B CN113390673 B CN 113390673B
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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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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Abstract
The invention relates to the technical field of marine investigation equipment, in particular to an electromagnetic trigger release device based on marine physical and chemical parameters. The deep sea sampling trigger release device based on the marine physical and chemical parameters comprises an electromagnetic trigger device, wherein the electromagnetic trigger device takes the marine physical or chemical parameters as trigger signals to control the closing of a water sampling port of a water sampling device so as to finish sampling. The electromagnetic trigger device with the distinct design has the advantages of low trigger current, low power consumption, light weight and high trigger efficiency after multi-stage triggering; the electromagnetic trigger device is free of a dynamic sealing structure component, and high reliability under the deep sea environment is improved by means of magnetic force transmission. The device of the invention takes ocean physical and chemical parameters such as depth, temperature, salinity, methane, other different chemical characteristics and the like as water collecting signals, adapts to complex sampling environment and realizes automatic underwater sampling.
Description
Technical Field
The invention relates to the technical field of marine investigation equipment, in particular to an electromagnetic trigger release device based on marine physical and chemical parameters.
Background
With the research and development of marine resources, the research on hydrology and physics and the research on seawater chemistry, the demands for sampling seawater in different marine environments and analyzing and detecting the components in the seawater are gradually increased, and at present, a common water sampler is applied to trigger a hammer-triggered pure mechanical water sampler or a trigger device triggers a release mechanism by means of a system 'depth' signal so as to complete the closing of a water sampling bottle. Traditional sampling methods are increasingly difficult to meet the requirements of water production in complex sampling environments (temperature, salinity, methane, or other different chemical properties).
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a deep sea sampling trigger release device which takes various physical and chemical parameters of oceans as water sampling signals and meets the sampling requirements of complex environments.
In order to achieve the purpose, the invention adopts the technical scheme that: the deep sea sampling trigger release device based on the marine physical and chemical parameters comprises an electromagnetic trigger device, wherein the electromagnetic trigger device takes the marine physical or chemical parameters as trigger signals to control the closing of a water sampling port of a water sampling device so as to finish sampling.
As a preferred mode of the present invention, the electromagnetic trigger device includes a pulling ring, a releasing shaft, and a trigger shaft; the lower section of the release shaft is sleeved with a release spring, and the bottom end of the release spring is supported on the upper end surface of the trigger shaft; a trigger spring is fixed at one end of the trigger shaft; the lower end surface of the trigger shaft is connected with the electromagnetic releaser.
Further preferably, a falling groove is formed in the upper end face of the trigger shaft, and an inclined plane is formed in a notch of the falling groove; the bottom end of the release shaft is abutted against the inclined surface, and can slide into the falling groove along the inclined surface under the action of the elastic force of the release spring.
Further preferably, the electromagnetic releaser comprises an electromagnetic coil, a fixed iron core and a movable iron core which are arranged in the electromagnetic coil; the moving iron core is attracted with the fixed iron core under the action of a magnetic field; the upper end of the moving iron core is provided with a clamping cap, and the clamping cap is clamped with the clamping groove on the lower end face of the trigger shaft.
Further preferably, a disc spring is arranged between the moving iron core and the upper end face of the electromagnetic coil.
Further preferably, the release shaft is installed in a support framework, and a traction ring window is arranged at the top of the support framework.
Further preferably, the electromagnetic releaser is arranged in an electromagnetic bin, and the electromagnetic bin is fixedly connected with the supporting framework.
Further preferably, the bottom of the electromagnetic bin is provided with a watertight joint, the watertight joint is connected with a control bin, and a control circuit is arranged in the control bin.
Further preferably, the control circuit is connected with a sensor, and the physical or chemical parameters of the sea collected by the sensor are used as trigger signals to trigger the control circuit to transmit trigger current to the electromagnetic trigger.
Compared with the prior art, the deep sea sampling trigger release device based on the marine physical and chemical parameters has the following beneficial effects:
1. the physical and chemical parameters (depth, temperature, salinity, methane and other different chemical characteristics) of the ocean are taken as water collecting signals, so that the method is suitable for complex sampling environments;
2. the designed electromagnetic trigger device is excessive through multi-stage triggering, and has small triggering current, low power consumption, light weight and high triggering efficiency;
3. the electromagnetic trigger device is free of a dynamic sealing structure component, and the reliability under the deep sea environment is improved by means of the magnetic force transmission relationship;
4 the underwater connector interface is designed, different sensors can be easily selected according to different sampling environments, and the underwater connector is convenient to install and disassemble.
Drawings
FIG. 1 is a front view of a deep sea sampling trigger release device based on marine physical and chemical parameters in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an electromagnetic triggering device (before triggering);
FIG. 3 is a schematic structural diagram of the electromagnetic triggering device (after triggering);
FIG. 4 is a schematic view of a support frame structure;
FIG. 5 is a schematic diagram of an electromagnetic bin;
FIG. 6 is a schematic structural view of the trigger shaft;
fig. 7 is a schematic diagram of a structure of the moving iron core.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The deep sea sampling trigger release device based on the physical and chemical parameters of the ocean provided by the embodiment of the invention has the structure shown in fig. 1 and mainly comprises a sensor 101, a control cabin 102, an underwater connector 103 and an electromagnetic trigger device 104. The sensor 101 and the control cabin 102, and the control cabin 102 and the electromagnetic trigger device 104 are connected through the underwater connector 103. The control cabin 103 contains a control circuit, a storage battery and the like. The sensors 101 are marine physical and chemical parameter sensors for real-time monitoring physical and chemical characteristics of the feedback water area, including but not limited to depth, temperature, salinity, methane, other different chemical characteristics, etc.
As shown in fig. 2, the electromagnetic trigger device 104 includes a watertight connector 1, an electromagnetic cabin sealing end cover 2, an electromagnetic cabin 5, a trigger shaft 7, a release spring 8, a support frame 9, a traction ring 10, a release shaft 11, a trigger spring 12, a movable iron core 14, a disc spring 15, an electromagnetic coil 16, and a fixed iron core 17. The watertight connector 1 is connected with the electromagnetic cabin sealing end cover 2 in a watertight way. The electromagnetic bin sealing end cover 2 is connected with the electromagnetic bin 5 in a sealing mode through an axial sealing ring 3 and a radial sealing ring 4.
As shown in fig. 4, the supporting frame 9 is provided with a trigger shaft limiting hole 91, a release spring window 92, a traction ring window 93, a release shaft hole 94, and an electromagnetic cabin fixing hole 95. The release shaft 11 is installed in the release shaft hole 94, the release spring 8 is arranged in the release spring window 92, and the release spring 8 is sleeved on the lower section of the release shaft 11. The pull ring 10 is placed within the pull ring window 93 and fits over the upper section of the release shaft 11. The supporting framework 9 is fixedly connected with the electromagnetic cabin 5 through a connecting screw 6 and an electromagnetic cabin fixing hole 95.
As shown in fig. 6, the trigger shaft 7 is horizontally installed at the lower portion of the support frame 9. One end of the trigger shaft is an operation step 71, the other end is a guide shaft 75, a falling groove 72 is arranged on the upper end surface of the trigger shaft 7, and a clamping groove 74 is arranged on the lower end surface. The guide shaft 75 is fitted with a trigger spring 12. An adjusting nut 13 is attached to the outer end surface of the guide shaft 75. One end of the trigger spring 12 is fixed on the outer side surface of the lower part of the supporting framework 9. The notch of the drop-back slot 72 on the side adjacent to the trigger spring 12 is provided with a ramp 73. The trigger shaft 7 can move in a single direction along the axial direction under the limiting action of the trigger shaft limiting hole 91 on the supporting framework 9. The adjusting nut 13 is used for adjusting the triggering force of the triggering spring 12.
As shown in fig. 2, the moving iron core 14, the disc spring 15, the electromagnetic coil 16 and the fixed iron core 17 are installed in the electromagnetic cabin 5. The structure of the electromagnetic cabin is shown in fig. 5, and comprises an electromagnetic coil mounting chamber 53, a watertight connector mounting hole 51, a fixed iron core mounting chamber 52, a water drain hole 54 and a moving iron core guide hole 55.
The structure of the moving core 14 is shown in fig. 7, and a drainage channel 141 is provided inside the moving core 14. The upper part of the spring is provided with a disc spring step 142, and the top of the disc spring step 142 is provided with a clamping cap 143. A disc spring 15 is provided between the disc spring step 142 and the electromagnetic coil 16. The locking cap 143 is engaged with the locking groove 74 on the lower end surface of the trigger shaft 7.
The deep sea sampling trigger release device based on ocean physical and chemical parameters needs to be matched with a water sampler bottle in the application process. Before sampling, the electromagnetic trigger release device is fixed on the side surface of the water sampler, and the pull ropes of the upper and lower clamping covers of the water sampler bottle are hung on the traction ring 10 of the electromagnetic trigger release device, and the traction ring 10 is sleeved on the release shaft 11, so that the upper and lower clamping covers of the water sampler are in an open state.
In the lowering stage of the water sampler bottle, the release shaft 11 penetrates through the whole traction ring window 93, the traction ring 10 is locked on the release shaft 11, the bottom end of the release shaft 11 is supported on the inclined surface 73 of the upper end surface of the trigger shaft 7, the static friction force between the release shaft 11 and the inclined surface limits the vertical movement of the release shaft 11, and the release spring 8 is in a compressed state. At this time, the moving iron core 14 is pushed by the disc spring 15, and the locking cap 143 is sunk into the locking groove 74 on the lower end face of the trigger shaft 7, so as to limit the axial movement of the trigger shaft 7 and to place the trigger spring 12 in a compressed state, as shown in fig. 2.
In the process of lowering the water sampler bottle, the upper clamping cover and the lower clamping cover of the water sampler bottle are opened, so that water samples can enter the water sampler bottle.
The sensor 101 monitors physical and chemical parameters of seawater in real time, feeds back physical and chemical characteristics of the water area at the moment, when a monitoring signal reaches a preset value, the control circuit transmits a trigger current to the electromagnetic trigger device 104, the electromagnetic coil 16 is electrified to form a magnetic field, and the moving iron core 14 moves towards the fixed iron core 18 under the action of the magnetic force and is attracted by the fixed iron core. The clamping cap 143 of the moving iron core 14 is separated from the clamping groove 74 of the trigger shaft 7, the trigger shaft 7 loses axial restraint, the trigger spring 12 is released, and the moving iron core moves towards the trigger spring 12 rapidly under the driving action of the trigger spring 12. During the movement of the trigger shaft 7, the release shaft 11 is disengaged from the support of the trigger shaft 7 and slides along the inclined surface 73 into the falling groove 72, and the upper end of the release shaft 11 is completely disengaged from the pulling ring window 93 due to the downward movement of the release shaft 11, and the pulling ring 10 is disengaged from the restraint of the release shaft 11, as shown in fig. 3. And the pull ropes of the upper and lower clamping covers of the water sampler bottle are released, and the upper and lower clamping covers of the water sampler bottle are closed to finish sampling.
Claims (7)
1. A deep sea sampling trigger release device based on marine physical and chemical parameters is characterized in that: the device comprises an electromagnetic trigger device, wherein the electromagnetic trigger device takes marine physical or chemical parameters as trigger signals to control the closing of a water sampling port of a water sampling device so as to finish sampling; the electromagnetic trigger device comprises a traction ring, a release shaft and a trigger shaft; the lower section of the release shaft is sleeved with a release spring, and the bottom end of the release spring is supported on the upper end surface of the trigger shaft; a trigger spring is fixed at one end of the trigger shaft; the lower end face of the trigger shaft is connected with the electromagnetic releaser; a falling groove is formed in the upper end face of the trigger shaft, and an inclined plane is formed in a notch of the falling groove; the traction ring is sleeved on the upper section of the release shaft; the bottom end of the release shaft is abutted against the inclined surface and can slide into the falling groove along the inclined surface under the action of the elastic force of the release spring; the release shaft moves downwards to enable the traction ring to be separated from the restraint of the release shaft.
2. The deep sea sampling trigger release device based on marine physical and chemical parameters of claim 1, wherein: the electromagnetic releaser comprises an electromagnetic coil, a fixed iron core and a movable iron core, wherein the fixed iron core and the movable iron core are arranged in the electromagnetic coil; the moving iron core is attracted with the fixed iron core under the action of an electromagnetic field; the upper end of the moving iron core is provided with a clamping cap, and the clamping cap is clamped with a clamping groove in the lower end face of the trigger shaft.
3. The deep sea sampling trigger release device based on marine physical and chemical parameters of claim 2, wherein: and a disc spring is arranged between the moving iron core and the upper end face of the electromagnetic coil.
4. The deep sea sampling trigger release device based on marine physical and chemical parameters of claim 1, wherein: the release shaft is arranged in the support framework, and a traction ring window is arranged at the top of the support framework.
5. The deep sea sampling trigger release device based on marine physical and chemical parameters of claim 1, wherein: the electromagnetic releaser is arranged in the electromagnetic bin, and the electromagnetic bin is fixedly connected with the supporting framework.
6. The deep sea sampling trigger release device based on marine physical and chemical parameters of claim 5, wherein: the electromagnetic cabin bottom be equipped with the watertight and connect, the watertight connects to be connected with the control cabin through connector under water, be equipped with control circuit in the control cabin.
7. The deep sea sampling trigger release device based on marine physical and chemical parameters of claim 6, wherein: the control circuit is connected with the sensor, and the physical or chemical parameters of the ocean collected by the sensor are used as trigger signals to trigger the control circuit to transmit trigger current to the electromagnetic trigger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110537896.7A CN113390673B (en) | 2021-05-18 | 2021-05-18 | Deep sea sampling trigger release device based on marine physical and chemical parameters |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110537896.7A CN113390673B (en) | 2021-05-18 | 2021-05-18 | Deep sea sampling trigger release device based on marine physical and chemical parameters |
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| CN113390673A CN113390673A (en) | 2021-09-14 |
| CN113390673B true CN113390673B (en) | 2022-08-02 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5209112A (en) * | 1991-02-28 | 1993-05-11 | Battelle Memorial Institute | Expendable oceanographic sensor apparatus |
| GB201904390D0 (en) * | 2019-03-29 | 2019-05-15 | Ecs Special Projects Ltd | A device for attaching to a target |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162185B (en) * | 2007-11-02 | 2010-06-02 | 中国科学院海洋研究所 | Sampling bottle unhook releasing device |
| CN101413849B (en) * | 2008-11-24 | 2010-12-01 | 浙江大学 | Deep sea layered air-tight water sampling system |
| CN203410612U (en) * | 2013-06-03 | 2014-01-29 | 浙江大学 | Sequentially releasing device for deep seas |
| CN106895997B (en) * | 2017-03-24 | 2019-12-27 | 同济大学 | Electric water sampler based on underwater electromagnet |
| CN208531953U (en) * | 2018-03-30 | 2019-02-22 | 赣州新锐机械制造有限公司 | A kind of big carrying quick release device |
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2021
- 2021-05-18 CN CN202110537896.7A patent/CN113390673B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5209112A (en) * | 1991-02-28 | 1993-05-11 | Battelle Memorial Institute | Expendable oceanographic sensor apparatus |
| GB201904390D0 (en) * | 2019-03-29 | 2019-05-15 | Ecs Special Projects Ltd | A device for attaching to a target |
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