CN207570837U - A kind of deep-sea pressurize hydrophore adaptively recompressed - Google Patents
A kind of deep-sea pressurize hydrophore adaptively recompressed Download PDFInfo
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- CN207570837U CN207570837U CN201721788622.0U CN201721788622U CN207570837U CN 207570837 U CN207570837 U CN 207570837U CN 201721788622 U CN201721788622 U CN 201721788622U CN 207570837 U CN207570837 U CN 207570837U
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- hydrophore
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Abstract
The utility model discloses a kind of deep-sea pressurize hydrophore adaptively recompressed, this hydrophore is based on the conventional passive pressure-maintaining structure of accumulator and improves, main to include with the pressurize chamber mechanism of variable cross-section piston and ball valve opener.Wherein, pressure-keeping mechanism includes a sampling cavity and an accumulation of energy cavity for carrying precharge of gas valve with sampling valve, and a piston rod and a both ends with variable cross-section are externally threaded and the link block with overflow valve and the through-hole that throttles, wherein sampling cavity piston are embedded there are one check valve;The utility model can realize the pressurize in situ of deep sea water sample, i.e., the pressure slippage as caused by accumulator is deformed by a piston rod compensation with variable cross-section due to cavity volume.Due to the effect of variable cross-section piston, this hydrophore is made to be capable of providing pressure maintaining performance more better than traditional pressurizer.
Description
Technical field
The utility model is related to deep-sea resources to explore field more particularly to a kind of deep-sea pressurize water acquisition adaptively recompressed
Device.
Background technology
With the exhaustion of land resources, people to the exploration in unknown deep-sea field all the more in a hurry with serious hope.Carry out deep-sea
The analysis of the physics, chemical quantity of water sample is one of main task of marine resources detection.However, deep sea low temperature, high pressure is severe
Environment brings great test to the fidelity collecting work in situ of water sample sample.If the pressure of sample changes, it will makes
Supersaturation occurs with half volatile gas into the volatility being dissolved in water sample and overflows, causes the sample taken out distortion, it is impossible to
Reflection seawater it is in situ into being grouped as information.
The existing deep-sea pressurize water acquisition equipment in China also has big gap compared with developed countries, is mainly manifested in pressurize
Performance is weak, easy generation leakage problem etc., and the pressurize hydrophore of existing comparative maturity be suitable for sea deep one not yet just in case
Km, equipment can only be intended for single use, and can not realize repeatedly, high-volume acquisition, cause the waste of resource.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems in the prior art, it is proposed that one kind is adaptively pressed again
The deep-sea pressurize hydrophore of contracting, accumulation of energy cavity compensate hydrophore pressure caused by volume expansion by becoming the piston rod of piston area
Loss, and it is adjustable in advance with biasing strength, the characteristic that biasing strength is increased with the increasing of loss amount is, it can be achieved that primary add
Work is recycled for multiple times, simple installation, high-fidelity, safe and reliable.The device can collect the sea for maintaining deep sea in-situ pressure
Water to study its abnormal gas content information, looks for Deep Sea Minerals and points the direction.
In order to achieve the above object, technical solution is as follows used by the utility model:A kind of depth adaptively recompressed
Extra large pressurize hydrophore, which is characterized in that including pressure-keeping mechanism and ball valve opener, the pressure-keeping mechanism include sampling cavity,
Link block, accumulation of energy cavity, sampling cavity piston, energy storage chamber piston, piston rod, check valve, sampling valve, precharge of gas valve, overflow valve,
Impedance screw, throttling through-hole, rod aperture, sampling cavity are fixedly connected by link block with accumulation of energy cavity, are set in sampling cavity body
Sampling cavity piston is equipped with, energy storage chamber piston is provided in energy storage chamber body, rod aperture is provided on link block, piston rod is threaded through work
In stopper rod hole, one end of piston rod is fixedly connected with sampling cavity piston, and the other end of piston rod is fixedly connected with energy storage chamber piston,
The rodless cavity of sampling cavity is connected with sampling valve, and the rodless cavity of accumulation of energy cavity is connected with precharge of gas valve, pacifies in link block
Equipped with overflow valve, the entrance of overflow valve is connected with the rod end of accumulation of energy cavity, and the outlet of overflow valve is connected with the external world, connection
Throttling through-hole is provided on block, the both ends for the through-hole that throttles are mounted on impedance screw, the rod chamber of an impedance screw and sampling cavity
It is connected, another impedance screw is connected with the rod chamber of accumulation of energy cavity;
The ball valve opener includes electrical ball valve and pressure balance container, and the motor of electrical ball valve is arranged on pressure and puts down
It weighs in container, the ball valve outlet of electrical ball valve is connected with sampling the rod chamber of cavity, and the ball valve entrance of electrical ball valve is with taking liquid
Mouth is connected;
Make centre equipped with check valve, the rod chamber and rodless cavity of check valve connection sampling cavity in the sampling cavity piston
The rod chamber of chamber can only flow to the rodless cavity of sampling chamber.
Further, the sectional area of the sampling cavity piston is less than the sectional area of energy storage chamber piston.
Further, the pressure balance container includes housing and pressure balance titanium alloy film, pressure balance titanium alloy film
It is fixed on housing, so as to form closed container, the motor of electrical ball valve is arranged in housing, filling fluid in housing.
Further, the pressure balance container is fixedly connected by connecting bracket with pressure-keeping mechanism.
Further, in the connecting bracket there is handle, bathyscaph manipulator can be made to grasp hydrophore.
Further, it is sealed between rod aperture and piston rod by O-ring seal.
Further, it is mounted on combined type packing ring on the sampling cavity piston and energy storage chamber piston;Sample cavity with
The junction of the junction of link block, accumulation of energy cavity and link block is also sealed by combined type packing ring.
Further, the rodless cavity for sampling cavity is connected by the first ferrule-type compression joint with sampling valve, accumulation of energy cavity
It is connected by another first ferrule-type compression joint with precharge of gas valve, the ball valve outlet of electrical ball valve passes through the second bite type tube
Connector is connected with sampling the rod chamber of cavity.
The beneficial effects of the utility model are as follows:The device of the utility model uses nitrogen accumulator, by setting up in advance
The overflow valve of pressure can adjust the pressure compensation range of variable cross-section piston rod, by the piston compensated sample of variable cross-section because of cavity
The pressure that deformation generates declines, and maintains sample strain, so as to fulfill pressurize, and realizes primary acquisition, can analyze sample simultaneously
Gas and content liquid in product.Relative to common pressurize measure, the pressurize hydrophore that pressure is transmitted with buffer solution is such as used,
Liquid volume swell increment is fallen by nitrogen compensation, but due to transmitting pressure by buffering liquid, the pressure of transmission is equal, and gas
Body state equation is very big with volume change in high pressure, in practice it has proved that the method is not suitable for high pressure sea water fidelity.This practicality is new
Type relies on variable cross-section piston rod, sets pressure intermediate cavity, plays the role of controlling sample rate and amplifies biasing strength.This deep-sea
Sampler overall structure is more compact, easy to operate under deep sea condition, has preferable pressure maintaining performance, and device can realize repetition
It uses, can widely apply to seeking in work for deep sea mineral resources, lay the foundation, have to develop and use marine resources
Good development prospect.
Description of the drawings
Fig. 1 is the utility model structure diagram;
In figure:Pressure-keeping mechanism 1, sampling cavity 101, link block 102, accumulation of energy cavity 103, sampling cavity piston 104, energy storage chamber
Piston 105, piston rod 106, check valve 107, sampling valve 108, precharge of gas valve 109, overflow valve 110, impedance screw 111, section
Recirculation hole 112, rod aperture 113, O-ring seal 114, combined type packing ring 115, the first ferrule-type compression joint 116, second card
Sleeve type pipe joint 117, electrical ball valve 201, pressure balance container 202, motor 203, ball valve 204, takes liquid at ball valve opener 2
Mouth 205, housing 206, pressure balance titanium alloy film 207, fluid 208, connecting bracket 209, handle 210.
Specific embodiment
In order to be more clearly understood that the technical solution of the utility model, with reference to the accompanying drawings and examples to this practicality
It is novel to be described further.It should be noted that in the absence of conflict, the feature in embodiments herein and embodiment
It can be combined with each other.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
Novel to implement using different from other modes described here, therefore, the utility model is not limited to lower mask body
The limitation of embodiment.
As shown in Figure 1, the utility model provides a kind of deep-sea pressurize hydrophore adaptively recompressed, including pressure-keeping mechanism
1 and ball valve opener 2, the pressure-keeping mechanism 1 includes sampling cavity 101, link block 102, accumulation of energy cavity 103, sampling cavity and lives
Plug 104, energy storage chamber piston 105, piston rod 106, check valve 107, sampling valve 108, precharge of gas valve 109, overflow valve 110, section
Stream screw 111, throttling through-hole 112, rod aperture 113, O-ring seal 114, combined type packing ring 115, the first bite type tube connect
First 116, second ferrule-type compression joint 117, sampling cavity 101 are fixedly connected by link block 102 with accumulation of energy cavity 103, sampled
Sampling cavity piston 104 is provided in cavity 101, energy storage chamber piston 105 is provided in accumulation of energy cavity 103, is provided on link block 102
Rod aperture 113, piston rod 106 are threaded through in rod aperture 113, and one end and 104 screw thread of sampling cavity piston of piston rod 106 are consolidated
Fixed connection, the other end of piston rod 106 is screwed with energy storage chamber piston 105 to be connect, and samples rodless cavity and the sampling of cavity 101
Valve 108 is connected, and the rodless cavity of accumulation of energy cavity 103 is connected with precharge of gas valve 109, since the volume of energy storage chamber is more than sampling
Cavity volume in pressure maintaining period, needs outwardly to discharge extra buffer solution volume, therefore be equipped with overflow valve in link block 102
110, the entrance of overflow valve 110 is connected with the rod end of accumulation of energy cavity 103, and the outlet of overflow valve 110 is connected row with the external world
Going out extra buffer solution, throttling through-hole 112 is provided on link block 102, the both ends of throttling through-hole 112 are mounted on impedance screw 111,
One impedance screw 111 is connected with sampling the rod chamber of cavity 101, the rod chamber of another impedance screw 111 and accumulation of energy cavity 103
It is connected, sample is delayed to enter the rate of sampling cavity by impedance screw, while ensure that sample purity, also ensure accumulation of energy
The gas compression of chamber is in isothermal change procedure, reduces gas energy loss;
The ball valve opener 2 includes electrical ball valve 201 and pressure balance container 202, the motor of electrical ball valve 201
203 are arranged in pressure balance container 202, and the ball valve outlet of electrical ball valve 201 is connected with sampling the rod chamber of cavity 101,
204 entrance of ball valve of electrical ball valve 201 is connected with liquid taking port 205;It is single equipped with check valve 107 in the sampling cavity piston 104
The rod chamber and rodless cavity of sampling cavity 101 are connected to valve 107, makes the rod chamber of intermediate cavity that can only flow to the nothing of sampling chamber
Rod cavity.
The sectional area of the sampling cavity piston 104 is less than the sectional area of energy storage chamber piston 105, using the difference of area, puts
The big pressure value that sampling cavity sample is transmitted to by energy storage chamber, and this value of magnification is slowly increased with the rising of hydrophore, gradually
Compensation sample strain loss amount caused by as the reduction of external pressure.
The pressure balance container 202 includes housing 206 and pressure balance titanium alloy film 207, pressure balance titanium alloy film
207 are fixed on housing 206, and so as to form closed container, the motor 203 of electrical ball valve 201 is arranged in housing 206, shell
Filling fluid 208, remains that external and internal pressure is equal by titanium alloy film in body 206.
The pressure balance container 202 is fixedly connected by connecting bracket 209 with pressure-keeping mechanism 1.
In the connecting bracket 209 there is handle 210, bathyscaph manipulator can be made to grasp hydrophore.
It is sealed between rod aperture 113 and piston rod 106 by O-ring seal 114.
Combined type packing ring 115 is mounted on the sampling cavity piston 104 and energy storage chamber piston 105;Sample cavity 101
Junction, accumulation of energy cavity 103 and the junction of link block 102 with link block 102 are also carried out by combined type packing ring 115
Sealing.
The rodless cavity of sampling cavity 101 is connected by the first ferrule-type compression joint 116 with sampling valve 108, accumulation of energy cavity
103 are connected by another first ferrule-type compression joint 116 with precharge of gas valve 109, and the ball valve outlet of electrical ball valve 201 passes through
Second ferrule-type compression joint 117 is connected with sampling the rod chamber of cavity 101.
The operation principle of the utility model is as follows:
Preparation stage:First piston rod 106 will be pushed into sampling cavity piston 104 close to the position of link block 102, open ball valve
204 and sampling valve 108, predetermined pressure nitrogen is passed through from precharge of gas valve 109, at this point, energy storage chamber piston 105 is pushed to close to even
It connects at block 102, closes precharge of gas valve 109.A pump machine is connect in sampling valve 108 and liquid taking port 205, sampling cavity 101 is taken out
Into vacuum.Then, sampling valve 108 and ball valve 204 are closed;At this point, complete the preparation stage.
Sample phase:To set depth, motor 203 opens ball valve 204, is allowed in opening state.Seawater sample from
Liquid taking port 205 flows into the rod chamber of sampling cavity 101 by ball valve 204, and the nothing of sampling cavity 101 is flowed by check valve 107
Rod cavity, meanwhile, piston rod 106 is pushed to move right, the accumulation of energy gas in the rodless cavity of compress energy storage cavity 103, until effect
Dynamic balance on piston rod 106 closes ball valve 204.
Pressurize ascent stage:With the promotion of the deep-sea pressurize hydrophore device of the utility model, sampling cavity 101 has
The fluid pressure of rod cavity is gradually reduced, accumulation of energy gas push in the rodless cavity of accumulation of energy cavity 103 identical with extraneous seawater pressure
The pressure of the rodless cavity of the compensation sampling cavity 101 of piston rod 106 declines, and extra liquid is then flowed out by overflow valve 110.
Sample transition phase:Sampling valve 108 is opened, pressure maintenance device access precharge of gas valve 109 is maintained into energy storage chamber
The pressure of accumulation of energy gas in the rodless cavity of body 103, so as to which piston rod 106 be pushed sample to be made to be flowed from sampling valve 108 to left movement
Go out, complete sample transfer.
Claims (8)
1. a kind of deep-sea pressurize hydrophore adaptively recompressed, which is characterized in that including pressure-keeping mechanism and ball valve opener,
The pressure-keeping mechanism include sampling cavity, link block, accumulation of energy cavity, sampling cavity piston, energy storage chamber piston, piston rod, check valve,
Sampling valve, precharge of gas valve, overflow valve, impedance screw, throttling through-hole, rod aperture,
Sampling cavity is fixedly connected with accumulation of energy cavity by link block, and sampling cavity piston, accumulation of energy cavity are provided in sampling cavity body
Inside be provided with energy storage chamber piston, rod aperture be provided on link block, piston rod is threaded through in rod aperture, one end of piston rod with
Sampling cavity piston is fixedly connected, and the other end of piston rod is fixedly connected with energy storage chamber piston, samples rodless cavity and the sampling of cavity
Valve is connected, and the rodless cavity of accumulation of energy cavity is connected with precharge of gas valve, and overflow valve, the entrance of overflow valve are equipped in link block
It is connected with the rod end of accumulation of energy cavity, the outlet of overflow valve is connected with the external world, and throttling through-hole is provided on link block, and throttling is logical
The both ends in hole are mounted on impedance screw, and an impedance screw is connected with sampling the rod chamber of cavity, and another impedance screw is with storing
The rod chamber of energy cavity is connected;
The ball valve opener includes electrical ball valve and pressure balance container, and the motor of electrical ball valve is arranged on pressure balance appearance
In device, the ball valve outlet of electrical ball valve is connected with sampling the rod chamber of cavity, ball valve entrance and the liquid taking port phase of electrical ball valve
Connection;
Make intermediate cavity equipped with check valve, the rod chamber and rodless cavity of check valve connection sampling cavity in the sampling cavity piston
Rod chamber can only flow to sampling chamber rodless cavity.
A kind of 2. deep-sea pressurize hydrophore adaptively recompressed according to claim 1, which is characterized in that the sampling
The sectional area of chamber piston is less than the sectional area of energy storage chamber piston.
A kind of 3. deep-sea pressurize hydrophore adaptively recompressed according to claim 2, which is characterized in that the pressure
Equalizing reservoir includes housing and pressure balance titanium alloy film, and pressure balance titanium alloy film is fixed on housing, closed so as to be formed
Container, the motor of electrical ball valve is arranged in housing, filling fluid in housing.
A kind of 4. deep-sea pressurize hydrophore adaptively recompressed according to claim 3, which is characterized in that the pressure
Equalizing reservoir is fixedly connected by connecting bracket with pressure-keeping mechanism.
A kind of 5. deep-sea pressurize hydrophore adaptively recompressed according to claim 4, which is characterized in that the connection
On stent there is handle, bathyscaph manipulator can be made to grasp hydrophore.
A kind of 6. deep-sea pressurize hydrophore adaptively recompressed according to claim 5, which is characterized in that rod aperture
It is sealed between piston rod by O-ring seal.
A kind of 7. deep-sea pressurize hydrophore adaptively recompressed according to claim 6, which is characterized in that the sampling
Combined type packing ring is mounted on chamber piston and energy storage chamber piston;Sample the junction of cavity and link block, accumulation of energy cavity with
The junction of link block is also sealed by combined type packing ring.
A kind of 8. deep-sea pressurize hydrophore adaptively recompressed according to claim 7, which is characterized in that sampling cavity
Rodless cavity be connected by the first ferrule-type compression joint with sampling valve, accumulation of energy cavity by another first ferrule-type compression joint with
Precharge of gas valve is connected, and the ball valve outlet of electrical ball valve is connected by the second ferrule-type compression joint with sampling the rod chamber of cavity
It is logical.
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CN201721788622.0U CN207570837U (en) | 2017-12-19 | 2017-12-19 | A kind of deep-sea pressurize hydrophore adaptively recompressed |
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CN201721788622.0U CN207570837U (en) | 2017-12-19 | 2017-12-19 | A kind of deep-sea pressurize hydrophore adaptively recompressed |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107907374A (en) * | 2017-12-19 | 2018-04-13 | 浙江大学 | The deep-sea pressurize hydrophore adaptively recompressed |
CN108719216A (en) * | 2018-08-06 | 2018-11-02 | 湖南科技大学 | Seabed atom trapping and pressure-maintaining and heat-preservation device |
CN111855306A (en) * | 2020-07-14 | 2020-10-30 | 上海交通大学 | Compressed type in-situ seawater sampler with buffer and active pressure maintaining functions in empty cabin and application method of compressed type in-situ seawater sampler |
CN117309493A (en) * | 2023-10-09 | 2023-12-29 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Deep sea water sampling device based on ROV |
-
2017
- 2017-12-19 CN CN201721788622.0U patent/CN207570837U/en not_active Withdrawn - After Issue
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107907374A (en) * | 2017-12-19 | 2018-04-13 | 浙江大学 | The deep-sea pressurize hydrophore adaptively recompressed |
CN107907374B (en) * | 2017-12-19 | 2023-07-11 | 浙江大学 | Self-adaptive recompression type deep sea pressure-maintaining water sampler |
CN108719216A (en) * | 2018-08-06 | 2018-11-02 | 湖南科技大学 | Seabed atom trapping and pressure-maintaining and heat-preservation device |
CN108719216B (en) * | 2018-08-06 | 2023-10-27 | 湖南科技大学 | Submarine small organism trapping and pressure maintaining heat preservation device |
CN111855306A (en) * | 2020-07-14 | 2020-10-30 | 上海交通大学 | Compressed type in-situ seawater sampler with buffer and active pressure maintaining functions in empty cabin and application method of compressed type in-situ seawater sampler |
CN117309493A (en) * | 2023-10-09 | 2023-12-29 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Deep sea water sampling device based on ROV |
CN117309493B (en) * | 2023-10-09 | 2024-05-10 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Deep sea water sampling device based on ROV |
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