CN107576531B - A portable sea water sample bag for fishery research - Google Patents
A portable sea water sample bag for fishery research Download PDFInfo
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- CN107576531B CN107576531B CN201710848107.5A CN201710848107A CN107576531B CN 107576531 B CN107576531 B CN 107576531B CN 201710848107 A CN201710848107 A CN 201710848107A CN 107576531 B CN107576531 B CN 107576531B
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Abstract
The invention discloses a portable seawater sampling bag for fishery research, which comprises: the sample plastic film bag is of a spherical structure, the sample plastic film bag is connected with a cable and a balance weight, the sample plastic film bag comprises an inner film and an outer film which are sleeved together, a plastic film pipe is spirally wound on the outer wall of the inner film, the plastic film pipe is connected with a pump body through a pump pipe, and the pump body can pump seawater into the plastic film pipe; the two ends of the diameter of the sample plastic film bag with the spherical structure are respectively a first end and a second end, a first through hole is formed in the outer film close to the first end, and a second through hole is formed in the inner film close to the second end; when the plastic film pipe is filled with seawater, the plastic film pipe in a saturated state which is supported and tightened by the seawater inside is formed, and in the saturated state, the plastic film pipe can support the sample plastic film bag in a shriveled state.
Description
Technical Field
The invention relates to a seawater sampling technology, in particular to a portable seawater sampling bag for fishery research.
Background
The need for seawater sampling is a marine study, particularly a marine fishery study. The seawater sampling device is thrown down in the sea at a certain depth, the depth of the seawater sampling device in the water is controlled by controlling the length of the cable through the cable, and then the seawater at the position corresponding to the depth is filled. In the prior art, the integral parts of the seawater sampling device are complicated and heavy, and the seawater sampling device is difficult to move on a ship and can be operated by a plurality of people to finish sampling work. The seawater taken out by the prior art sampling device also needs to be distributed into specific containers for storage for onshore inspection. The sampling device is not disposable, and the seawater sampled at multiple points is easy to cause cross contamination and influence experimental data.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides an automatic collection device for a sea water sample.
In order to achieve the purpose, the invention adopts the technical scheme that: a portable seawater sampling bag for fishery research, comprising: the sample plastic film bag is of a spherical structure and is connected with a cable and a balance weight, and the sample plastic film bag is characterized by comprising an inner film and an outer film which are sleeved together, wherein a plastic film pipe is spirally wound on the outer wall of the inner film, the plastic film pipe is connected with a pump body through a pump pipe, and the pump body can pump seawater into the plastic film pipe;
the two ends of the diameter of the sample plastic film bag with the spherical structure are respectively a first end and a second end, a first through hole is formed in the outer film close to the first end, and a second through hole is formed in the inner film close to the second end;
when the plastic film pipe is filled with seawater, the plastic film pipe in a saturated state which is supported and tightened by the seawater inside is formed, and in the saturated state, the plastic film pipe can support the sample plastic film bag in a shriveled state.
In a preferred embodiment of the invention, two groups of plastic film pipes are spirally wound on the outer wall of the inner film, and the intersections of the two groups of plastic film pipes are communicated with each other.
In a preferred embodiment of the invention, the axes of the spiral structures of the two groups of plastic film tubes are perpendicular to each other.
In a preferred embodiment of the invention, the inner film and the outer film of the sample plastic film bag are made of transparent plastic films, and the plastic films have elasticity.
In a preferred embodiment of the invention, a gap exists between the inner and outer membranes.
In a preferred embodiment of the invention, the plastic film pipe is fixedly adhered to the outer wall of the inner film, and the plastic film pipe is not adhered to the inner wall of the outer film.
In a preferred embodiment of the invention, the top end of the sample plastic film bag is connected with a cable, and the bottom end of the sample plastic film bag is hung with the counterweight.
In a preferred embodiment of the present invention, the pump body is fixed on a cable, and the pump body is electrically connected with the controller and the power supply through the cable.
In a preferred embodiment of the present invention, the outer membrane surrounding the first end is provided with a plurality of first through holes arranged in a ring shape.
In a preferred embodiment of the present invention, the second through hole communicates with a circular through hole plate, the through hole formed in the circumferential sidewall of the through hole plate communicates with the central hole of the through hole plate, and the central hole communicates with the second through hole.
The invention solves the defects in the background technology, and has the following beneficial effects:
(1) the main material of the sampling device is made of the plastic film material, so that disposable consumables of the sampling material are formed, and the sampling material is not reused to prevent cross contamination. The quality of the plastic film material is light, when sampling, the sampling plastic film bag is connected with the cable and the counterweight, the pump pipe is connected to the pump body of the cable, and then the sampling plastic film bag is placed in the sea for sampling. The whole process can be operated by one person.
(2) After the pump body is used for filling seawater into the plastic film tube, the plastic film tube is stretched and tightly stretched to form a plurality of circular tubes and straight tubes to support the sample plastic film bag on the outer wall, so that the sample plastic film bag can be gradually stretched through the hard stretched plastic film tube, the one-way ball valve at the inlet end of the sample plastic film bag is opened, and the seawater enters the sample plastic film bag to finish seawater sampling.
(3) The pump body uses seawater as the internal supporting fluid for filling the plastic film pipe nearby, so that the buoyancy of the sampling device is basically not changed, the distance between the first through hole and the second through hole is two positions on the sample plastic film bag which are far away from each other, when the sample plastic film bag is gradually opened, the seawater enters a gap between the inner film and the outer film from the first through hole, and then the seawater in the gap is gradually sucked into the inner cavity of the inner film at the second through hole to finish seawater sampling.
(4) The clearance between inner membrance and the adventitia is supported through moulding the membrane pipe, makes things convenient for the sea water to enter into the clearance in, moulds the membrane pipe not give the adventitia adhesion and with the intima adhesion, and when the inner membrane propped up like this, the adventitia was followed and is propped up and the adventitia is hugged closely the inner membrance all the time, can guarantee like this that after the sample was finished, outside sea water was difficult to entering into the second through-hole, and cross contamination's possibility greatly reduces.
(5) The cable can be lowered to the required depth through the cable laying and the sinking action of the counterweight.
(6) The double-layer structure of inner membrance and adventitia, the sea water that the sample was held in the inner membrance, and the adventitia is used for forming the following route that the sea water got into: the path is that the seawater basically enters in a single direction, and then does not easily flow out, and the seawater outside the seawater sampling device can be prevented from entering again after the sampling is finished to a certain degree. The outer membrane can also play a role in protecting and reducing the risk of the inner membrane being scratched.
(7) The through hole disc plays a role in forming a gap between the inner membrane and the outer membrane, prevents the inner membrane or the outer membrane from blocking the second through hole, and facilitates the entry of seawater.
Drawings
The invention is further explained below with reference to the figures and examples;
FIG. 1 is a block diagram of a sample plastic film bag according to a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view of a preferred embodiment of the present invention;
FIG. 3 is a block diagram of the inner membrane of the preferred embodiment of the present invention;
in the figure: 1. a sample plastic film bag; 2. a pump tube; 3. a cable; 4. balancing weight; 5. a plastic film pipe; 6. an inner membrane; 7. an outer membrane; 8. a gap; 9. a first through hole; 10. a second through hole; 11. a through-hole disk.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.
As shown in fig. 1, 2 and 3, a portable seawater sampling bag for fishery research, comprising: the seawater desalination device comprises a sample plastic film bag 1 with a spherical structure, wherein the sample plastic film bag 1 is connected with a cable 3 and a counterweight 4, and is characterized in that the sample plastic film bag 1 comprises an inner film 6 and an outer film 7 which are sleeved together, a plastic film pipe 5 is spirally wound on the outer wall of the inner film 6, the plastic film pipe 5 is connected with a pump body through a pump pipe 2, and the pump body can pump seawater into the plastic film pipe 5; the main material of the sampling device is made of the plastic film material, so that disposable consumables of the sampling material are formed, and the sampling material is not reused to prevent cross contamination. The quality of the plastic film material is light, when sampling, the sampling plastic film bag is connected with the cable 3 and the counterweight 4, the pump pipe 2 is connected to the pump body of the cable 3, and then the sampling plastic film bag is placed into the sea for sampling. The whole process can be operated by one person.
The two ends of the sample plastic film bag 1 with the spherical structure are respectively a first end and a second end, a first through hole 9 is arranged on the outer film 7 close to the first end, and a second through hole 10 is arranged on the inner film 6 close to the second end; the pump body uses seawater as the internal supporting fluid for filling the plastic film pipe 5 nearby, so that the buoyancy of the sampling device is basically not changed, the distance between the first through hole 9 and the second through hole 10 is two positions on the sample plastic film bag 1 which are far away, when the sample plastic film bag 1 is gradually opened, the seawater enters the gap 8 between the inner film 6 and the outer film 7 from the first through hole 9, and then the seawater in the gap 8 is gradually sucked into the inner cavity of the inner film 6 at the second through hole 10 to finish seawater sampling.
When the plastic film pipe 5 is filled with seawater, the plastic film pipe 5 in a saturated state which is supported and tightened by the seawater inside is formed, and in the saturated state, the plastic film pipe 5 can support the sample plastic film bag 1 in a shriveled state. After the pump body is used for filling seawater into the plastic film tube 5, the plastic film tube 5 is stretched and stretched hard to form a plurality of circular tubes and straight tubes to support the sample plastic film bag 1 on the outer wall, so that the sample plastic film bag 1 can be gradually stretched through the hard stretched plastic film tube 5, the one-way ball valve at the inlet end of the sample plastic film bag 1 is opened, and seawater enters the sample plastic film bag 1 to finish seawater sampling.
Two groups of plastic film pipes 5 are spirally wound on the outer wall of the inner film 6, and the intersections of the two groups of plastic film pipes 5 are communicated with each other.
The axes of the spiral structures of the two groups of plastic film pipes 5 are vertical to each other, so that the plastic film pipes 5 with the spiral structures can form spherical net-shaped manufacturing force on the inner film 6 with the shape-finding structure, and the whole sample plastic film bag 1 is integrally propped open.
The inner film 6 and the outer film 7 of the sample plastic film bag 1 are both made of transparent plastic films, and the plastic films have elasticity.
A gap 8 exists between the inner membrane 6 and the outer membrane 7. The clearance 8 between intima 6 and adventitia 7 supports through moulding membrane pipe 5, makes things convenient for the sea water to enter into in the clearance 8, moulds membrane pipe 5 not give adventitia 7 adhesion and with the adhesion of intima 6, and when intima 6 was propped up like this, adventitia 7 was followed and is propped up and adventitia 7 is hugged closely intima 6 all the time, can guarantee like this that the sample is ended, outside sea water is difficult to entering into second through-hole 10, and cross contamination's possibility greatly reduces. The double-layer structure of the inner membrane 6 and the outer membrane 7, wherein the inner membrane 6 is used for containing sampled seawater, and the outer membrane 7 is used for forming the following path for seawater to enter: the first through hole 9, a gap 8 between the inner film 6 and the outer film 7 and the second through hole 10, the seawater can basically enter in a single direction and then cannot easily flow out, and the seawater outside the seawater sampling device can be prevented from entering again after the sampling is finished to a certain degree. The outer membrane 7 may additionally serve as a shield reducing the risk of the inner membrane 6 being torn.
The plastic film tube 5 is fixedly adhered to the outer wall of the inner film 6, and the plastic film tube 5 is not adhered to the inner wall of the outer film 7. The top end of the sample plastic film bag 1 is connected with a cable 3, and the bottom end of the sample plastic film bag 1 is hung with a balance weight 4. The pump body is fixed on the cable 3 and is electrically connected with the controller and the power supply through the cable 3. The cable 3 can be lowered to the required depth through the cable laying and the sinking action of the counterweight 4.
Set up the first through-hole 9 that a plurality of annular was arranged on encircleing the adventitia 7 of first end, second through-hole 10 intercommunication circular shape through-hole dish 11, the through-hole intercommunication that sets up on the through-hole dish 11 circumference lateral wall to the centre bore of through-hole dish 11, centre bore UNICOM second through-hole 10. The through hole plate 11 plays a role in forming a gap 8 between the inner membrane 6 and the outer membrane 7, prevents the inner membrane 6 or the outer membrane 7 from blocking the second through hole 10, and facilitates the entry of seawater.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A portable seawater sampling bag for fishery research, comprising: the sample plastic film bag is of a spherical structure and is connected with a cable and a balance weight, and the sample plastic film bag is characterized by comprising an inner film and an outer film which are sleeved together, wherein a plastic film pipe is spirally wound on the outer wall of the inner film, the plastic film pipe is connected with a pump body through a pump pipe, and the pump body can pump seawater into the plastic film pipe;
the two ends of the diameter of the sample plastic film bag with the spherical structure are respectively a first end and a second end, a first through hole is formed in the outer film close to the first end, and a second through hole is formed in the inner film close to the second end;
when the plastic film pipe is filled with seawater, the plastic film pipe in a saturated state which is supported and tightened by the seawater inside is formed, and in the saturated state, the plastic film pipe can support the sample plastic film bag in a shriveled state.
2. The portable seawater sampling bag for fishery research according to claim 1, wherein: two groups of plastic film pipes are spirally wound on the outer wall of the inner film, and the intersections of the two groups of plastic film pipes are communicated with each other.
3. A portable seawater sampling bag for fishery research according to claim 2, wherein: the axes of the two groups of the plastic film pipe spiral structures are mutually vertical.
4. The portable seawater sampling bag for fishery research according to claim 1, wherein: the inner film and the outer film of the sample plastic film bag are both made of transparent plastic films, and the plastic films have elasticity.
5. The portable seawater sampling bag for fishery research according to claim 1, wherein: a gap exists between the inner and outer membranes.
6. The portable seawater sampling bag for fishery research according to claim 1, wherein: the plastic film pipe is fixedly adhered to the outer wall of the inner film, and the plastic film pipe is not adhered to the inner wall of the outer film.
7. The portable seawater sampling bag for fishery research according to claim 1, wherein: the top end of the sample plastic film bag is connected with a cable, and the balance weight is hung at the bottom end of the sample plastic film bag.
8. The portable seawater sampling bag for fishery research according to claim 1, wherein: the pump body is fixed on the cable, and the pump body is electrically connected with the controller and the power supply through the cable.
9. The portable seawater sampling bag for fishery research according to claim 1, wherein: a plurality of first through holes which are annularly arranged are formed in the outer membrane surrounding the first end.
10. The portable seawater sampling bag for fishery research according to claim 1, wherein: the second through hole is communicated with the circular through hole disc, the through hole formed in the circumferential side wall of the through hole disc is communicated with the central hole of the through hole disc, and the central hole is communicated with the second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710848107.5A CN107576531B (en) | 2017-09-19 | 2017-09-19 | A portable sea water sample bag for fishery research |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710848107.5A CN107576531B (en) | 2017-09-19 | 2017-09-19 | A portable sea water sample bag for fishery research |
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| Publication Number | Publication Date |
|---|---|
| CN107576531A CN107576531A (en) | 2018-01-12 |
| CN107576531B true CN107576531B (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710848107.5A Active CN107576531B (en) | 2017-09-19 | 2017-09-19 | A portable sea water sample bag for fishery research |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204064744U (en) * | 2014-09-19 | 2014-12-31 | 山东恒诚检测科技有限公司 | A kind of portable airbag air sampler |
| CN204246166U (en) * | 2014-11-25 | 2015-04-08 | 韩树斋 | A kind of gynecological laparoscopic operation specimen sampling bag |
| CN104888542A (en) * | 2015-05-11 | 2015-09-09 | 北京化工大学常州先进材料研究院 | Bag cage of bag type dust collector |
| CN105067391A (en) * | 2015-07-16 | 2015-11-18 | 苏州华达仪器设备有限公司 | Rapid air sampling bag convenient to carry |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9321052B2 (en) * | 2013-05-17 | 2016-04-26 | Weatherford/Lamb, Inc. | Fluid sampling flask having cap and valve assembly |
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2017
- 2017-09-19 CN CN201710848107.5A patent/CN107576531B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204064744U (en) * | 2014-09-19 | 2014-12-31 | 山东恒诚检测科技有限公司 | A kind of portable airbag air sampler |
| CN204246166U (en) * | 2014-11-25 | 2015-04-08 | 韩树斋 | A kind of gynecological laparoscopic operation specimen sampling bag |
| CN104888542A (en) * | 2015-05-11 | 2015-09-09 | 北京化工大学常州先进材料研究院 | Bag cage of bag type dust collector |
| CN105067391A (en) * | 2015-07-16 | 2015-11-18 | 苏州华达仪器设备有限公司 | Rapid air sampling bag convenient to carry |
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| CN107576531A (en) | 2018-01-12 |
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