CN107268518B - Experimental device for negative pressure science popularization in water - Google Patents
Experimental device for negative pressure science popularization in water Download PDFInfo
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- CN107268518B CN107268518B CN201710645128.7A CN201710645128A CN107268518B CN 107268518 B CN107268518 B CN 107268518B CN 201710645128 A CN201710645128 A CN 201710645128A CN 107268518 B CN107268518 B CN 107268518B
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- water tank
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 115
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000002474 experimental method Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 12
- 239000001301 oxygen Substances 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 5
- 241000251468 Actinopterygii Species 0.000 abstract description 18
- 238000005086 pumping Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/02—Hydraulic models
Abstract
The invention discloses an underwater negative pressure science popularization experiment device, which relates to a science popularization experiment device and is characterized in that: the top of the transparent inverted U-shaped pipe is connected with a negative pressure generator, the lower parts of the two sides of the transparent inverted U-shaped pipe are communicated with an oxygen supply pump, a water blocking door mechanism is respectively installed at the left part and the right part of a horizontal section extending from a water pool, a floor cabinet is arranged below a low water pool and a high water pool, a filtering bottom cylinder is placed in the floor cabinet, and the negative pressure generator and a water pump are installed in the filtering bottom cylinder. The transparent inverted U-shaped tube is arranged, so that observation is facilitated; the water blocking door mechanism is arranged, so that water can be prevented from flowing from a high water tank to a low water tank through the inverted U-shaped pipe (according to the communication principle), and the fish can swim back and forth by manually opening and closing, so that the ornamental value and entertainment are improved; the oxygen supply pump is arranged to provide enough oxygen for fish to survive and play a role in landscaping; the air circulation of the experimental device is guaranteed by the arrangement of the air extractor, and the water level is improved to exceed the water surface of the water tank. The invention has the advantages of high ornamental value and entertainment, convenient use and popularization.
Description
Technical Field
The invention relates to a science popularization experiment device, in particular to a negative pressure science popularization experiment device in water.
Background
The negative pressure experiment device has a plurality of defects of low entertainment and ornamental value and the like in the existing negative pressure science popularization experiment device, and the problem of meeting the entertainment and ornamental value is solved when the negative pressure science popularization experiment is carried out.
Disclosure of Invention
The invention aims to solve the technical defects of low entertainment and ornamental value of the existing negative pressure science popularization experiment device and provides the underwater negative pressure science popularization experiment device.
The invention is realized by the following technical scheme:
An underwater negative pressure science popularization experiment device, comprising: two ponds of different surface of water height set up transparent inverted U-shaped pipe, its characterized in that in low pond and high pond: the top of the transparent inverted U-shaped pipe is connected with a negative pressure generator through a pipeline, the lower parts of two sides of the transparent inverted U-shaped pipe are connected with a supply pump, a water blocking door mechanism is respectively installed on the horizontal section extending from the water tank, a floor cabinet is arranged below the low water tank and the high water tank, a filtering bottom cylinder is placed in the floor cabinet, and the negative pressure generator and the water pump are installed in the filtering bottom cylinder.
Further, a low-pool water blocking door mechanism is arranged on the horizontal section extending from the low pool, and a Gao Chi water blocking door mechanism is arranged on the horizontal section extending from the high pool; the low-pool water blocking door mechanism and the high Chi Dangshui door mechanism are composed of a hand wheel, a rotating shaft, a door leaf and a door frame, wherein the hand wheel is arranged at one end of the rotating shaft, the door leaf is arranged in the middle of the rotating shaft, and a rubber sealing ring is arranged between the door leaf and the door frame; the left side and the right side of the low pool door frame are connected with the two ends of the low pool ball valve through pipes to the outside, and the left side and the right side of the Gao Chi door frame are connected with the two ends of the Gao Chi ball valve through pipes to the outside; the outlet of the water pump is connected with the tee joint, one end is connected with the high water tank, the other end is connected with the negative pressure generator, the high water tank overflows to the bottom of the low water tank, and the low water tank overflows to the filtering bottom cylinder.
Further, the air outlet end of the oxygen supply pump is connected with a check valve, and air outlet of the check valve enters the left side and the right side of the inside of the transparent inverted U-shaped pipe.
Further, a handle with the low pool ball valve and the high Chi Qiufa is arranged on the table top.
Compared with the prior art, the invention has the following advantages and beneficial effects:
The transparent inverted U-shaped pipe is arranged, so that observation is facilitated; the water blocking door mechanism can be opened manually, so that fishes can swim back and forth from the high-low pool, and ornamental value and entertainment are improved; the oxygen supply pump is arranged to provide enough oxygen for fish to survive and play a role in landscaping; the air extractor improves the water level inside the inverted U shape and ensures the air circulation of the experimental device. The invention has the advantages of high ornamental value and entertainment, convenient use and popularization.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
Fig. 2 is a schematic structural view of a water gate according to the present invention.
Wherein: 1-pool, 1.1-low pool, 1.2-high pool, 2-transparent inverted U-shaped pipe, 3-negative pressure generator, 4-oxygen supply pump, 4.1-check valve, 5-water stop door mechanism, 5.1-low pool water stop door mechanism, 5.2-high pool water stop door mechanism, 5.3-hand wheel, 5.4-rotating shaft, 5.5-door leaf, 5.5.1-low pool door leaf, 5.5.2-Gao Chi door leaf, 5.6-door frame, 5.6.1-low pool door frame, 5.6.2-Gao Chi door frame, 6-floor cabinet, 7-filtering bottom cylinder, 8-water pump, 9-assembly flange, S5-low pool ball valve, S6-Gao Chi ball valve.
Detailed Description
The technical scheme of the invention is clearly and completely described below through examples.
As shown in fig. 1 and 2, an in-water negative pressure science popularization experiment device comprises: the water tanks 1 with different water surface heights are characterized in that transparent inverted U-shaped pipes 2 are arranged in a low water tank 1.1 and a high water tank 1.2 of the water tanks, the tops of the transparent inverted U-shaped pipes 2 are connected with a negative pressure generator 3 through pipelines, the lower parts of the two sides of the transparent inverted U-shaped pipes 2 are communicated with an oxygen supply pump 4, water blocking door mechanisms 5 are respectively arranged on horizontal sections of the high water tank and the low water tank, a ground cabinet 6 is arranged below the low water tank 1.1 and the high water tank 1.2, a filtering bottom cylinder 7 is arranged in the ground cabinet, and the negative pressure generator 3 and a water pump 8 are arranged in the filtering bottom cylinder 7.
A low-pool water retaining door mechanism 5.1 is arranged on the horizontal section extending from the low-pool 1.1, a Gao Chi water retaining door mechanism 5.2 is arranged on the horizontal section extending from the high-pool 1.2, the low-pool water retaining door mechanism 5.1 and the high-pool water retaining door mechanism 5.2 are respectively composed of a hand wheel 5.3, a rotating shaft 5.4, a door leaf 5.5 and a door frame 5.6, a hand wheel 5.3 is arranged at one end of the rotating shaft 5.4, a door leaf 5.5 is arranged in the middle of the rotating shaft, and a rubber sealing ring is arranged between the door leaf and the door frame; the left side and the right side of the low pool door frame 5.6.1 are connected with the two ends of the low pool ball valve S5 from outside, and the left side and the right side of the Gao Chi door frame are connected with the two ends of the Gao Chi ball valve S6 from outside; the outlet of the water pump 8 is connected with a tee joint, one end of the tee joint is used for feeding water to the high-pressure water tank 1.2, the other end of the tee joint is connected with the negative pressure generator 3, the high-pressure water tank 1.2 overflows to the bottom of the low-pressure water tank 1.1, and the low-pressure water tank 1.1 overflows to the filtering bottom cylinder 7.
The air outlet end of the oxygen supply pump 4 is connected with a check valve 4.1, and the air outlet of the check valve 4.1 enters the left side and the right side of the inside of the transparent inverted U-shaped pipe 2.
The penetrating part of the rotating shaft 5.4 of the low-pool water baffle door mechanism 5.1 bears the water pressure change of 0-h, and is additionally provided with a seal.
In order to clean the inside conveniently, the joints of the transparent inverted U-shaped pipe 2and the horizontal sections extending from the high water tank 1.2 and the low water tank 1.1 are respectively connected by using an assembly flange 9 and sealed by using a sealing gasket.
The handle of the low pool ball valve and the high Chi Qiufa is arranged on the table top, and the pipeline is hidden.
The working principle of the invention is as follows:
The transparent inverted U-shaped pipe 2 is in a normal water full state: when Gao Chi.5.2 of the door leaf is tightly pressed, the high Chi Qiufa S6 is closed, the low pool door leaf 5.5.1 can be opened or closed, the low pool ball valve S5 is opened, and the G point pressure at the top of the transparent inverted U-shaped pipe 2 is-H; when the low pool door leaf 5.5.1 is tightly pressed, the low pool ball valve S5 is closed, the high Chi Menshan.5.2 can be opened or closed, the high Chi Qiufa S6 is opened, and the G point pressure at the top of the transparent inverted U-shaped pipe 2 is- (H-H).
The door leaf can be opened and closed by rotating the hand wheel, and the door leaf and the ball valve are in normal operation sequence: when the door leaf is to be opened, the ball valve is opened first; when the door leaf is to be closed, the water retaining door leaf is closed first, and then the ball valve is closed. The purpose is that when door leaf is opened or is closed the operation, the ball valve is in the open state in advance, plays balanced pressure's effect for it is easier to open and close the door leaf.
The door leaf is the open state initially, start water pump 8, rivers are raised to high pond 1.2, overflow to low pond 1.1 after high pond 1.2 is full of water, overflow to filtering end jar 7 after low pond 1.1 is full, last to filtering end jar moisturizing, negative pressure generator 3 draws out the air, transparent reverse U-shaped pipe 2 inside water level rises, when high pond 1.2 one side water level reaches the D point, the both sides water level difference of transparent reverse U-shaped pipe 2 equals high, low pond surface of water difference of height h, the water level will not rise any more this moment, but have the bubble to get into transparent reverse U-shaped pipe 2 top through high pond 1.2.
Closing the high Chi Menshan.5.2, closing the high Chi Qiufa S6, continuously increasing the water level at the low water tank 1.1-side of the transparent inverted U-shaped pipe 2, finally reaching the highest point G, starting to supply oxygen after the supply pump 4 is powered on, and pumping out mixed water vapor by the negative pressure generator 3 at the moment; gao Chi door leaves 5.5.2 bear pressure H to be compressed, the low-pool door leaves 5.6.1 bear pressure 0, the door leaves can be opened or closed easily, and G point pressure of the transparent inverted U-shaped pipe 2 is-H.
In order to intuitively experience the running from the high-low water tank, a fish (or other aquatic animals) put in the water tank just can pass through the door frame, is not easy to turn around, and can always swim forward.
The operation process of the invention comprises the following steps:
1. when the G point pressure is-H, the fish swims from the high water tank 1.2 to the low water tank 1.1:
At this time, the high Chi Qiufa S6 is closed, the high Chi Menshan.5.2 is tightly closed, the low pool door 5.5.1 can be opened or closed, the low pool ball valve S5 is opened by default, and the operation steps are as follows:
Firstly closing the low pool door leaf 5.5.1, then closing the low pool ball valve S5, pumping out mixed water vapor by the negative pressure generator 3 (a gap exists between the low pool door leaf 5.5.1 and the low pool door frame 5.6.1), opening Gao Chi ball valve S6, increasing the bearing pressure of the low pool door leaf 5.5.1 to h, compacting, and reducing the bearing pressure of the high Chi Menshan 5.5.2 to 0; opening Gao Chi.5.2 of the door leaf, wherein the G point pressure of the transparent inverted U-shaped pipe 2 is- (H-H), and the fish enters the transparent inverted U-shaped pipe 2 from the high-speed water tank 1.2;
Closing the high Chi Menshan.5.2, closing the high Chi Qiufa S6, compressing the high Chi Menshan.5.2 bearing pressure h, and reducing the pressure of the low pool door leaf 5.5.1 to 0; firstly, the low pool ball valve S5 is opened, then, the low pool door leaf 5.5.1 is opened, the G point pressure of the transparent inverted U-shaped pipe 2 is- (H-H), and the fish swims to the low pool 1.1 from the transparent inverted U-shaped pipe 2.
2. When the G point pressure is-H, the fish swims from the low water tank 1.1 to the high water tank 1.2:
At this time, the high Chi Qiufa S6 is closed, the high Chi Menshan.5.2 is tightly closed, the low pool door 5.5.1 can be opened or closed, the low pool ball valve S5 is opened by default, and the operation steps are as follows:
opening the low pool door leaf 5.5.1, and allowing the fish to enter the transparent inverted U-shaped pipe 2 from the low pool 1.1;
Firstly closing the low pool door leaf 5.5.1, then closing the low pool ball valve S5, pumping out mixed water vapor by the negative pressure generator 3 (a gap exists between the low pool door leaf 5.5.1 and the low pool door frame 5.6.1), opening Gao Chi ball valve S6, increasing the bearing pressure of the low pool door leaf 5.5.1 to h, compacting, and reducing the bearing pressure of the high Chi Menshan 5.5.2 to 0; and (3) opening Gao Chi.5.2 of the door leaf, wherein the G point pressure of the transparent inverted U-shaped pipe 2 is- (H-H), and the fish enters the high-speed water tank 1.2 from the transparent inverted U-shaped pipe 2.
3. When the G point pressure is- (H-H), the fish swims from the high water tank 1.2 to the low water tank 1.1:
At this time, the low pool door leaf 5.5.1 is pressed, the low pool ball valve S5 is closed, the high Chi Menshan.5.2 can be opened or closed, the high Chi Qiufa S6 defaults to be opened, and the operation steps are as follows:
the Gao Chi door leaves 5.5.2 are opened, and the fish enters the transparent inverted U-shaped pipe 2 from the high-altitude pool 1.2;
Firstly closing the high Chi Menshan.5.2, then closing the high Chi Qiufa S6, pumping out mixed water vapor by the negative pressure generator 3, increasing the bearing pressure of the high Chi Menshan.5.2 to h, compacting, and reducing the bearing pressure of the low pool door leaf 5.5.1 to 0; firstly, the low pool ball valve S5 is opened, and when the low pool door leaf 5.5.1 is opened, the G point pressure of the transparent inverted U-shaped pipe 2 is- (H-H), and a fish swims to the low pool 1.1 from the transparent inverted U-shaped pipe 2.
4. When the G point pressure is- (H-H), the fish swims from the low water tank 1.1 to the high water tank 1.2:
At this time, the low pool door leaf 5.5.1 is pressed, the low pool ball valve S5 is closed, the high Chi Menshan.5.2 can be opened or closed, the high Chi Qiufa S6 defaults to be opened, and the operation steps are as follows:
Closing the high Chi Menshan.5.2, closing the high Chi Qiufa S6, increasing the bearing pressure of the high Chi Menshan.5.2 to h, compacting, and reducing the bearing pressure of the low pool door leaf 5.5.1 to 0; opening a low pool ball valve S5, opening a low pool door leaf 5.5.1, and enabling a fish to swim from the low pool 1.1 to the transparent inverted U-shaped pipe 2;
Firstly closing the low pool door leaf 5.5.1, then closing the low pool ball valve S5, pumping out mixed water vapor by the negative pressure generator 3, opening the Gao Chi ball valve S6, increasing the bearing pressure of the low pool door leaf 5.5.1 to h, compacting, and reducing the bearing pressure of the high pool door leaf Chi Menshan to 5.5.2 to 0; and (3) opening Gao Chi.5.2 of the door leaf, wherein the G point pressure of the transparent inverted U-shaped pipe 2 is- (H-H), and the fish enters the high-speed water tank 1.2 from the transparent inverted U-shaped pipe 2.
5. When the low pool door leaves 5.5.1 and the high Chi Menshan.5.2 are closed, the low pool ball valve S5 and the high Chi Qiufa S6 are opened, partial water flows through the Gao Chi ball valve S6, the transparent inverted U-shaped pipe 2 and the low pool ball valve S5 to enter the low pool 1.1 to form certain internal circulation, the high pool door leaves and the low pool door leaves bear the pressure of H/2 respectively under ideal conditions, the G point pressure of the transparent inverted U-shaped pipe 2 is- (H-H/2), and at the moment, the high pool door leaves and the low pool door leaves are compressed tightly, so that fishes cannot swim through.
6. In general, when the transparent inverted U-shaped pipe 2 is full of water, the high and low pool door leaves are not allowed to be opened simultaneously, because the pool and the bottom jar are easy to overflow. However, if the water tank is forcibly opened, a large amount of air enters the transparent inverted U-shaped pipe 2 from the high-speed water tank 1.2, and then the water in the transparent inverted U-shaped pipe 2 overflows to the filter bottom cylinder 7, and the filter bottom cylinder is designed to be large enough, so that the operation is also possible.
The present invention may be embodied in several forms without departing from the spirit of the invention, it should also be understood that the above-described embodiments are not limited to the details of the foregoing description, but rather should be construed broadly within its scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the claims.
Claims (1)
1. An underwater negative pressure science popularization experiment device, comprising: two ponds (1) of different surface of water heights set up transparent inverted U-shaped pipe (2), its characterized in that in low pond (1.1) and high pond (1.2): the top of the transparent inverted U-shaped pipe (2) is connected with a negative pressure generator (3) through a pipeline, the lower parts of two sides of the transparent inverted U-shaped pipe (2) are connected with air inlet of an oxygen supply pump (4), water blocking door mechanisms (5) are respectively arranged at the left and right parts of a horizontal section extending from a water pool, a floor cabinet (6) is arranged below the low water pool (1.1) and the high water pool (1.2), a filter bottom cylinder (7) is arranged in the floor cabinet, and the negative pressure generator (3) and a water pump (8) are arranged in the filter bottom cylinder (7);
A low-pool water retaining door mechanism (5.1) is arranged on a horizontal section extending from the low-pool water pool (1.1), a Gao Chi water retaining door mechanism (5.2) is arranged on a horizontal section extending from the Gao Shuichi (1.2), the low-pool water retaining door mechanism (5.1) and the high-pool water retaining door mechanism (5.2) are respectively composed of a hand wheel (5.3), a rotating shaft (5.4), a door leaf (5.5) and a door frame (5.6), and the door frame (5.6) is composed of a low-pool door frame (5.6.1) and a Gao Chi door frame (5.6.2); a hand wheel (5.3) is arranged at one end of the rotating shaft (5.4), a door leaf (5.5) is arranged in the middle of the rotating shaft, and a rubber sealing ring is arranged between the door leaf and the door frame; the left side and the right side of the low pool door frame (5.6.1) are connected with a low pool ball valve (S5) from outside, and the left side and the right side of the Gao Chi door frame (5.6.2) are connected with a Gao Chi ball valve (S6) from outside; the outlet of the water pump (8) is connected with a tee joint, one end of the water pump is connected with a high-pressure water tank (1.2), the other end of the water pump is connected with a negative-pressure generator (3), the high-pressure water tank (1.2) overflows to the bottom of a low-pressure water tank (1.1), and the low-pressure water tank (1.1) overflows to a filtering bottom cylinder (7);
The air outlet end of the oxygen supply pump (4) is connected with a check valve (4.1), and the air outlet of the check valve (4.1) enters the left side and the right side of the inside of the transparent inverted U-shaped pipe (2);
The joints of the transparent inverted U-shaped pipe (2) and the horizontal sections extending from the high-level water tank (1.2) and the low-level water tank (1.1) are respectively connected by using an assembly flange (9) and sealed by using a sealing gasket;
The handles of the low-pool ball valve (S5) and the high Chi Qiufa (S6) are arranged on the table top of the floor cabinet (6) and conceal the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710645128.7A CN107268518B (en) | 2017-08-01 | 2017-08-01 | Experimental device for negative pressure science popularization in water |
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| CN201710645128.7A CN107268518B (en) | 2017-08-01 | 2017-08-01 | Experimental device for negative pressure science popularization in water |
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| CN107268518A CN107268518A (en) | 2017-10-20 |
| CN107268518B true CN107268518B (en) | 2024-04-26 |
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| CN103404413A (en) * | 2013-05-16 | 2013-11-27 | 中国农业科学院农田灌溉研究所 | Negative-pressure water supplying air-pressure adjusting type automatic control system |
| CN203922888U (en) * | 2014-04-29 | 2014-11-05 | 李勇杉 | A kind of landscape water recycling equipment |
| CN104276679A (en) * | 2014-10-30 | 2015-01-14 | 北京市沃奇新德水处理设备开发有限责任公司 | Oxygen dissolution and aeration device and water treatment equipment applying same |
| CN207109725U (en) * | 2017-08-01 | 2018-03-16 | 北京孤岛科技有限公司 | Negative pressure science popularization experimental provision in a kind of water |
-
2017
- 2017-08-01 CN CN201710645128.7A patent/CN107268518B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7022227B1 (en) * | 2005-08-17 | 2006-04-04 | Shih-Hui Liao | Multifunctional filtering device for an aquarium |
| CN102144524A (en) * | 2011-03-10 | 2011-08-10 | 中国农业科学院农田灌溉研究所 | Automatic irrigation-drainage system for farmland |
| CN103404413A (en) * | 2013-05-16 | 2013-11-27 | 中国农业科学院农田灌溉研究所 | Negative-pressure water supplying air-pressure adjusting type automatic control system |
| CN203922888U (en) * | 2014-04-29 | 2014-11-05 | 李勇杉 | A kind of landscape water recycling equipment |
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