CN211062325U

CN211062325U - Wind and rain formation demonstration device

Info

Publication number: CN211062325U
Application number: CN201922374446.1U
Authority: CN
Inventors: 杨倩宇; 张君言
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-07-21
Anticipated expiration: 2029-12-25

Abstract

The utility model relates to the technical field of experimental tools, in particular to a wind and rain formation demonstration device, which comprises a frame body, wherein a tray filled with water is placed on the frame body, a bottomless bottle body is placed above the tray, a heating device is arranged in the bottle body, the top of the bottle body is connected with a wind outlet pipe, and the side wall of the bottle body is connected with a wind inlet pipe; the frame body is also provided with a first alcohol lamp which is arranged at a position close to the air outlet pipe; a flask containing water is arranged above the first alcohol lamp, the flask is communicated with a collecting bottle, and a cooling barrel containing ice blocks is surrounded outside the collecting bottle; the bottom of the collecting bottle is provided with a liquid guide pipe which is arranged above the tray. This device design benefit, simple structure can fully demonstrate the hydrological meteorological steam conversion process, makes the student have audio-visual understanding to being formed with of wind, rain, is convenient for understand and remember, has strengthened the interest of imparting knowledge to students.

Description

Wind and rain formation demonstration device

Technical Field

The utility model relates to an experimental apparatus technical field, concretely relates to wind, rain form presentation device.

Background

Wind is a natural phenomenon caused by air flow, which is caused by solar radiant heat. Rain is a natural phenomenon, and is water droplets falling from the cloud. Wind and rain natural phenomena are basic knowledge which must be read in the teaching process, and in the current teaching experimental device, an intuitive teaching aid which can demonstrate the natural phenomena and explain the principles of the natural phenomena and has vivid image and easy understanding is lacked; when the forming process of wind and rain is explained to students, the whole process is described only by using relevant languages, so that the students are difficult to visually impression, and the process and the forming principle of rain are difficult to understand and remember.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, a wind and rain formation demonstration device is provided.

The utility model provides a technical scheme that its technical problem adopted is:

The utility model provides a wind and rain formation demonstration device, which comprises a frame body, wherein a tray filled with water is placed on the frame body, a bottomless bottle body is placed above the tray, a heating device is arranged in the bottle body, the top of the bottle body is connected with a wind outlet pipe, and the side wall of the bottle body is connected with a wind inlet pipe; the frame body is also provided with a first alcohol lamp, and the flame of the first alcohol lamp is arranged at a position close to the air outlet pipe; a flask containing water is arranged above the first alcohol lamp, the flask is communicated with a collecting bottle, and a cooling barrel containing ice blocks is surrounded outside the collecting bottle; the bottom of the collecting bottle is provided with a liquid guide pipe which is arranged above the tray.

Preferably, the heating device is a second alcohol lamp.

Preferably, the heating device is a candle.

Preferably, the feathers are hung at the opening of the air inlet pipe.

Preferably, the support body includes the base, the base both ends are connected with the riser, the riser with "U" style of calligraphy structure is constituteed to the base.

Preferably, one of the risers is connected with first support seat, first alcohol burner sets up on the first support seat, first support seat top is equipped with the tripod, place on the tripod the flask.

Preferably, a second supporting seat is arranged at the bottom of the cooling barrel and is connected with the other vertical plate.

Preferably, the collection bottle is in the shape of an inverted cone.

Compared with the prior art, the beneficial effects of the utility model are that:

1. The utility model is provided with the tray, the bottomless bottle body and the heating device, the heating device is utilized to heat the air in the bottle body, the air is heated to expand and then enters the air outlet pipe, the pressure in the bottle body is reduced, the outside air enters the bottle body from the air inlet pipe, and at the moment, air is formed, so that the first alcohol lamp flame swing can be clearly seen;

2. The flask is heated by the first alcohol lamp, water vapor is generated in the flask and enters the collecting bottle, and ice blocks are arranged outside the collecting bottle, so that the water vapor is pre-cooled and liquefied to form raindrops, and flows out through the liquid guide pipe, and students can feel the formation of rain visually;

3. This device design benefit, simple structure can fully demonstrate the hydrological meteorological steam conversion process, makes the student have audio-visual understanding to being formed with of wind, rain, is convenient for understand and remember, has improved the teaching interest.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

Fig. 1 is a schematic structural diagram of the present invention.

Description of reference numerals:

1, a base; 2, a vertical plate; 3, a tray; 4 bottle bodies; 5, an air inlet pipe; 6, an air outlet pipe; 7 a heating device; 8 a first alcohol lamp; 9 a first supporting seat; 10, a tripod; 11, a flask; 12 a connecting pipe; 13 collecting the bottle; 14, a cooling barrel; 15 a second support seat; 16 a catheter; 17 connecting rods; 18 feathers.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Example one

As shown in fig. 1, the present embodiment provides a wind and rain formation demonstration apparatus, which comprises a frame body, wherein the frame body comprises a base 1, two ends of the base 1 are connected with risers 2, and the risers 2 and the base 1 form a "U" shaped structure. A tray 3 filled with water is placed on the base 1, and a bottomless bottle body 4 is placed above the tray 3. The tray 3 is filled with water, and the sealing performance between the bottle body 4 and the tray 3 can be improved.

the heating device 7 is arranged in the bottle body 4, the heating device 7 can be a second alcohol lamp, the second alcohol lamp is placed on the tray 3, the top of the bottle body 4 is connected with an air outlet pipe 6, the air outlet pipe 6 is arranged in an L shape, the side wall of the bottle body 4 is connected with an air inlet pipe 5, one vertical plate 2 is connected with a first supporting seat 9, a first alcohol lamp 8 is further arranged above the first supporting seat 9, the flame of the first alcohol lamp 8 is arranged at a position close to the air outlet pipe 6, a tripod 10 is arranged above the first supporting seat 9, a flask 11 containing water is placed on the tripod 10, the flask 11 is arranged above the first alcohol lamp 8, the flask 11 is communicated with a collecting bottle 13 through a connecting pipe 12, a cooling barrel 14 containing ice blocks is arranged around the outer portion of the collecting bottle 13 to facilitate the water vapor to be liquefied into liquid drops when meeting cold, a second supporting seat 15 is arranged at the bottom of the cooling barrel 14, and the second supporting seat 15 is.

The bottom of the collecting bottle 13 is provided with a liquid guide pipe 16, the liquid guide pipe 16 is arranged above the tray 3, liquid drops fall into the tray 3 through the liquid guide pipe 16, collection is convenient, and the liquid drops are prevented from flowing onto an experimental device; meanwhile, water is arranged in the tray 3, so that the natural phenomenon that raindrops fall into water areas such as ponds and lakes can be simulated, and students can understand the memory conveniently.

In order to facilitate the liquid drops in the collection bottle 13 to fall down and enable students to have visual understanding of raindrops, the collection bottle 13 is in an inverted cone shape.

The specific using process is as follows:

During teaching, the first alcohol lamp 8 and the second alcohol lamp are ignited, the bottle body 4 is sleeved outside the second alcohol lamp, air in the bottle body 4 is heated to expand and moves upwards to enter the air outlet pipe 6, the pressure in the bottle body 4 is reduced, and outside air is supplemented into the bottle body 4 through the air inlet pipe 5, so that air is formed through continuous circular flow, and the flame of the first alcohol lamp 8 at the air outlet pipe 6 can be seen to swing, so that the wind is directly felt; because the first alcohol lamp 8 heats the water in the flask 11 all the time, water vapor can be generated, the water vapor enters the collecting bottle 13 through the connecting pipe, because the cooling barrel 14 containing ice blocks is surrounded outside the collecting bottle 13, the temperature of the collecting bottle 13 is relatively low, the water vapor is cooled and liquefied on the inner wall of the collecting bottle 13 to form water drops, and the water drops flow out through the liquid guide pipe 16 and drop into the tray 3, so that the formation of rain can be visually seen. The device has simple structure and multiple functions, can fully display the water-steam conversion process in the hydrological weather, and enables students to have visual understanding on the formation of wind and rain.

Example two

With continued reference to fig. 1, this embodiment provides a wind and rain formation demonstration device, and the other mechanisms are the same as those of the first embodiment, except that the heating device may also be a candle.

In order to facilitate the observation of students, the outer wall of the bottle body 4 is provided with the connecting rod 17, the connecting rod 17 is hung with the feathers 18, the feathers 18 are arranged at the pipe orifice of the air inlet pipe 5, and during the experiment, the formation of wind is visually recognized by observing the swinging of the feathers, so that a plurality of different observation points are formed, and the students can understand and remember the feathers more conveniently.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A wind and rain formation demonstration device comprises a frame body and is characterized in that a tray (3) filled with water is placed on the frame body, a bottomless bottle body (4) is placed above the tray (3), a heating device (7) is arranged in the bottle body (4), the top of the bottle body (4) is connected with a wind outlet pipe (6), and the side wall of the bottle body (4) is connected with a wind inlet pipe (5); the frame body is also provided with a first alcohol lamp (8), and the flame of the first alcohol lamp (8) is arranged at a position close to the air outlet pipe (6); a flask (11) containing water is arranged above the first alcohol lamp (8), the flask (11) is communicated with a collecting bottle (13), and a cooling barrel (14) containing ice blocks is surrounded outside the collecting bottle (13); a liquid guide pipe (16) is arranged at the bottom of the collecting bottle (13), and the liquid guide pipe (16) is arranged above the tray (3).

2. A wind and rain formation demonstration device according to claim 1 wherein the heating means (7) is a second alcohol light.

3. A wind and rain forming demonstration device according to claim 1 wherein the heating means (7) is a candle.

4. A wind and rain formation demonstration device according to claim 1 wherein feathers (18) are hung at the mouth of the air inlet duct (5).

5. A wind and rain formation demonstration device according to claim 1 wherein the frame body comprises a base (1), a vertical plate (2) is connected to two ends of the base (1), and the vertical plate (2) and the base (1) form a U-shaped structure.

6. A wind and rain forming demonstration device according to claim 5 wherein a first support (9) is attached to one of the risers (2), the first alcohol burner (8) is located on the first support (9), a tripod (10) is located above the first support (9), and the flask (11) is located on the tripod (10).

7. A wind and rain formation demonstration device according to claim 5 wherein a second support (15) is provided at the bottom of the cooling barrel (14), the second support (15) being connected to the other of the risers (2).

8. A wind and rain formation demonstration device according to claim 1 wherein the collection bottle (13) is of inverted cone shape.