JP2004316350A - Suction type water sampler - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a suction type water sampler capable of properly sampling water at a specified place in water. <P>SOLUTION: In the suction type water sampler being arranged in water and sampling water, the water sampler has a vessel 1 in which sampled water is stored, an opening section 2 evacuating the inside of the vessel and taking water into the vessel and open-close means 23 and 24 opening and closing the opening section. The vessel 1 under the state of a negative pressure is arranged in water, and the opening section 2 is opened and water in the vessel 1 is taken in. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a suction-type water dispenser for sampling water in water.
[0002]
[Prior art]
As shown in FIG. 3, a conventional water dispenser a has a cylindrical portion b for storing collected water, openings c, c provided at both ends of the cylindrical portion b, and a lid for closing the openings c, c. d and d. When sampling water, first, the sampling device a is placed in water. Water flows from the opening c into the cylindrical portion b by the water flow. After a lapse of a predetermined time, the lids d and d at both ends of the cylindrical portion b are closed, the openings c and c are closed, and water is confined in the cylindrical portion b. The water sampling device a is pulled up from the water, and water at a predetermined position in the water is sampled.
[0003]
In such a water sampler a, the water flow is slow, and is effective in water having a uniform turbidity. Then, it was difficult to collect appropriate data. For example, as shown in FIG. 3, when earth and sand e are put into water, the earth and sand e are deposited on the ground, a complicated water flow is generated, and turbid water spreads around. The turbid water range f changes with time. If the conventional water dispenser a is arranged in the water in such a state, only a specific flow of water flows into the water dispenser a. Therefore, it is impossible to collect appropriate data and there is a possibility that accurate water quality cannot be measured.
[0004]
[Problem to be solved]
<A> The present invention is to provide a suction-type water dispenser that can easily collect water at a predetermined position in water.
<B> Another object of the present invention is to provide a suction-type water dispenser that can collect water from almost the entire circumference of an opening for taking in water.
[0005]
[Means for Solving the Problems]
The present invention is arranged in water, in a suction-type water sampling device for sampling water, a container for storing the collected water, an exhaust and water sampling opening for exhausting the inside of the container and taking water into the container, Opening / closing means for opening / closing an exhaust / water sampling opening, disposing a container in a negative pressure state in water, opening the exhaust / water sampling opening and taking water into the container, suction It is in the type water sampler.
Alternatively, the present invention provides a suction-type water dispenser that disposes water in a suction-type water dispenser that disposes collected water, an exhaust opening that exhausts the inside of the container, and dispenses water into the container. A suction-type water dispenser, comprising: a water opening; an exhaust opening / closing means for opening and closing the exhaust opening; and a water sampling opening / closing means for opening and closing the water sampling opening.
Alternatively, the present invention is characterized in that, in the suction-type water dispenser, a water sampling pipe is arranged in an opening, and an end opening in the container of the water sampling pipe is separated from an exhaust / water sampling opening. Yes, in the suction-type water dispenser.
Alternatively, the present invention is characterized in that, in the suction-type water dispenser, a water dispensing pipe is disposed in the water dispensing opening, and an end opening in the container of the water dispensing pipe is separated from the water dispensing opening. It is in the suction type water sampling device.
Alternatively, the present invention provides the suction-type water dispenser, wherein the suction-type water dispenser includes a collection opening for extracting water from the container, and a collection opening / closing unit that opens and closes the collection opening. In the water sampler.
[0006]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0007]
<a> Suction type water sampling device The suction type water sampling device is for taking in water in water, and as shown in FIG. An exhaust / water sampling opening 2 for taking in water, an exhaust opening / closing means 23 such as a valve for opening and closing the exhaust / water sampling opening 2, and a water sampling opening / closing means 24 such as a lid. It is preferable that the water sampling opening / closing means 24 can easily open the exhaust / water sampling opening 2 in water. In the suction type water sampling device shown in FIG. 1A, the exhaust opening / closing means 23 can also serve as the water sampling opening / closing means 24.
As shown in FIG. 2, the suction type water dispenser includes an exhaust opening 21 for exhausting the inside of the container 1, a water sampling opening 22 for taking water into the container 1, and an exhaust opening 21. An opening / closing means 23 for opening and closing and an opening / closing means for water 24 for opening and closing the opening 22 for water sampling are provided. It is preferable that the water sampling opening / closing means 24 can easily open the water sampling opening 2 in water.
[0009]
In the suction-type water dispenser of FIG. 1, the inside of the container 1 is evacuated through the exhaust / water-collecting opening 2, and the exhaust / water-collecting opening 2 is closed by the exhaust opening / closing means 23 to evacuate the container 1 inside. Is maintained at a negative pressure. The suction-type water dispenser moves to a predetermined position in water under negative pressure. Then, the exhaust / water sampling opening 2 is opened, and water is sucked into the container through the exhaust / water sampling opening 2 by the negative pressure. At this time, water existing in the entire circumference of the exhaust / water sampling opening 2 is forcibly and rapidly sucked into the container 1. Therefore, the collected water can collect water existing in the entire periphery of the suction-type water dispenser without depending on the water flow as in the related art. Note that the negative pressure is a value smaller than the atmospheric pressure, and is a state in which the gas in the container is pulled by, for example, a vacuum device.
[0010]
In the suction-type water dispenser of FIG. 2, air is exhausted through the exhaust opening 21 to make the inside of the container 1 into a negative pressure state such as vacuum, and the exhaust opening 21 is closed by the exhaust opening / closing means 23. The suction-type water dispenser is brought to a predetermined position in the water under a negative pressure state, the water dispensing opening 24 is opened, and water is sucked into the container. At this time, water in the entire periphery of the water sampling opening 24 is forcibly sucked into the container 1.
[0011]
<B> Container The container 1 needs to have airtightness so that gas does not enter even if the inside is under a negative pressure, and has a strength enough to withstand water pressure even if the inside is placed in water with a negative pressure. . The container 1 shown in FIG. 1 is provided with an exhaust / water sampling opening 2 which also serves as an opening for exhausting gas inside and an opening for taking water into the inside. In the container 1 of FIG. 1 (A), an exhaust opening / closing means 23 and a water sampling opening / closing means 24 are provided in a cylindrical portion 26 protruding outside of the container 1 from the exhaust / water sampling opening 2. In the container 1 shown in FIG. 1 (B), a cylindrical portion 26 projecting outward from the container 1 from the exhaust / water sampling opening 2 is bifurcated, and one of them has an exhaust opening / closing means 23 and the other has water sampling. Opening / closing means 24. In the container 1 of FIG. 2, an exhaust opening 21 and a water sampling opening 22 are separately provided. An exhaust opening / closing means 23 such as a valve is provided in a cylindrical portion 27 protruding outside of the container 1 from the exhaust opening 21. A water sampling opening / closing means 24 such as a lid is provided on a cylindrical portion 28 protruding outward from the container 1 through the water sampling opening 22. The container 1 is preferably provided with a collecting opening 3 so that the taken water can be easily collected from the container 1. The collection opening 3 has a collection opening / closing means 31 such as a lid capable of sealing the container 1. As the shape of the container, various shapes can be used as long as it can take in water. For example, the shape is a cylinder such as a cylinder, which has openings at both ends of the cylinder, and the openings 26, 27 at one end. And 28, and a collection opening / closing means 3 such as a lid is attached to the other opening so as to be freely opened and closed.
[0012]
<C> Sampling pipe The sampling pipe 4 is for preventing gas remaining in the container 1 from being discharged to the outside after taking in water at a predetermined place, and instead for preventing water from flowing into the container 1. It is. The water sampling pipe 4 is a pipe that is attached to the exhaust / water sampling opening 2 and the water sampling opening 22 to take water into the container 1, and the open end 41 of the pipe in the container 1 is used for exhaust / water sampling. The water opening 2 and the water sampling opening 22 are arranged at positions distant from the water opening 2. Regardless of the negative pressure state of the container 1, air remains in the container 1, and an air layer 5 is formed in the container after water is collected. Therefore, if the water sampling pipe 4 is not provided, the air layer 5 is easily discharged from the water sampling opening 22, and at this time, water may enter the container 1. Then, the water sampling pipe 4 is arranged, and the open end 41 of the water sampling pipe 4 is separated from the air layer 5. For this purpose, the opening end 41 of the water sampling pipe 4 is separated from the exhaust / water sampling opening 2 and the water sampling opening 22. This configuration makes it difficult for air to be discharged out of the container 1. Note that the water sampling pipe 4 and the water sampling cylinders 26 and 28 can be used as an integral pipe.
[0013]
Hereinafter, the method of drawing water will be described with reference to FIG.
[0014]
<A> Forming a Negative Pressure A vacuum pump is attached to the exhaust opening 21 of the container 1, and as shown in FIG. 2A, the inside of the container 1 is evacuated to make the inside of the container 1 a negative pressure, and a valve or the like is used. The exhaust opening 21 is sealed, and the inside of the container 1 is maintained in a negative pressure state. At this time, the water sampling opening 22 is sealed by the water sampling opening / closing means 24.
[0015]
<B> The container 1 in the negative water sampling state is lowered to a predetermined position for water sampling in the water (FIG. 2B), and the water sampling opening / closing means 24 is operated at a predetermined time to open the water sampling opening. Open 22. Due to the negative pressure, water around the water sampling opening 22 is forcibly and rapidly taken into the container 1 through the water sampling pipe 41.
[0016]
<C> Recovery As shown in FIG. 2C, even if water is taken into the container 1, the air layer 5 remains. When the container 1 is pulled up to the sea, since the water sampling pipe 4 is attached to the water sampling opening, the air layer 5 in the container is not discharged to the outside, and as a result, water enters the container 1. Nothing. When the water is lifted above the water, the collection opening / closing means 31 of the collection opening 3 is opened, and the taken-in water is discharged from the container 1 to collect water as a material.
[0017]
[Effects of the present invention]
The present invention has the following effects.
<A> The present invention can provide a suction-type water dispenser that can easily collect water at a predetermined position in water.
<B> In addition, the present invention can provide a suction-type water dispenser that can collect water from almost the entire circumference of an opening for taking in water.
[Brief description of the drawings]
FIG. 1 is an explanatory view of a suction-type water dispenser of the present invention. FIG. 2 is an explanatory view of another suction-type water dispenser. FIG. 3 is an explanatory view of a conventional suction-type water dispenser.
DESCRIPTION OF SYMBOLS 1 ... Container 2 ... Exhaust and water sampling opening 21 ... Exhaust opening 22 ... Water sampling opening 23 ... Exhaust opening / closing means 24 ... Water sampling opening / closing means 25 ... O Ring 3 ... Recovery opening 31 ... Recovery opening / closing means 4 ... Sampling pipe 5 ... Air layer

Claims (5)

In a suction-type water dispenser that disposes in water and collects water,
A container for storing the collected water,
An exhaust / water sampling opening for evacuating the vessel and taking water into the vessel;
Opening and closing means for opening and closing the exhaust / water sampling opening,
A suction type water dispenser, wherein a container in a negative pressure state is placed in water, an opening for exhaust and water dispensing is opened, and water is taken into the container. In a suction-type water dispenser that disposes in water and collects water,
A container for storing the collected water,
An exhaust opening for exhausting the inside of the container,
A water sampling opening for taking water into the container,
Exhaust opening and closing means for opening and closing the exhaust opening;
A suction type water dispenser, comprising: a water dispensing opening / closing means for opening and closing a water dispensing opening. The suction-type water dispenser according to claim 1,
Place a water sampling pipe in the exhaust and water sampling opening,
A suction-type water dispenser, characterized in that an end opening in the container of the water dispensing pipe is separated from an opening for exhausting and dispensing water. The suction-type water dispenser according to claim 2,
Place a water sampling pipe in the water sampling opening,
A suction-type water dispenser, wherein an end opening in the container of the water dispensing pipe is separated from an opening for water dispensing. The suction-type water dispenser according to claim 1 or 2,
A suction-type water dispenser, comprising: a collection opening for extracting water from a container; and a collection opening / closing means for opening and closing the collection opening.

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