CN210955833U

CN210955833U - Experimental globe

Info

Publication number: CN210955833U
Application number: CN201921660981.7U
Authority: CN
Inventors: 朱明强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-06
Filing date: 2019-10-06
Publication date: 2020-07-07
Anticipated expiration: 2029-10-06

Abstract

The utility model relates to an experiment globe, including support, latitude circle, globe, time circle, zenith laser pen, meridian, two-way dop, spirit level, horizon circle, sun height protractor, latitude protractor, perpendicular hole pole etc.. The device is characterized in that latitude lines and a slit are arranged on the meridian circles, a vertical hole rod is placed in the slit, and a latitude protractor is inserted into the vertical hole rod; the time ring and the latitude ring are mutually vertical and wrap the tellurion, the south latitude 90 degrees of the latitude ring penetrates through the meridian ring by using an axis nail to form a whole with the tellurion, two 0 degrees positions of the latitude ring are taken as fulcrums, one side of the latitude ring is provided with a bidirectional chuck for fastening the time ring and the latitude ring, the moment ring and the latitude ring are fixed on the bracket by using bolts, and the other side of the latitude ring is provided with a latitude protractor and a latitude pointer which are fixed on the bracket by using screws. Compared with the prior art, the utility model, have simple structure, the teaching is directly perceived, easily operates, has all functions of ordinary globe, has solved prior art and has been difficult to utilize the sunlight to survey direct sunlight spot position scheduling problem in real time outdoors.

Description

Experimental globe

Technical Field

The utility model relates to a globe, specifically speaking are an experiment globe that is used for the student to do the experiment usefulness.

Background

Some globes cannot observe the direct point of the sun on the earth by utilizing sunlight, so that a plurality of astronomical and geographical problems related to the direct point of the sun are caused, and students can hardly understand the direct point of the sun.

Disclosure of Invention

An object of the utility model is to provide an experiment globe that simple structure, teaching are directly perceived, easily operation.

The technical scheme adopted for achieving the purpose is as follows:

1. an experimental globe comprises a support, a latitude ring, a globe, a time ring, a zenith laser pen, a meridian ring, a bidirectional clamp, a level meter, a horizon ring, a sun height protractor, a latitude protractor, a vertical hole rod and the like. The device is characterized in that latitude lines and a slit are arranged on the meridian circles, a vertical hole rod is placed in the slit, and a latitude protractor is inserted into the vertical hole rod; the time ring and the latitude ring are mutually vertical and wrap the globe lander; the latitude circle 90 degrees of north and south latitude penetrate through the meridian circle and form a whole with the globe by an axis nail, two 0 degrees positions of the latitude circle are taken as fulcrums, one side of the latitude circle is provided with a bidirectional chuck for fastening the moment circle, the latitude circle and the globe and is fixed on the bracket by a bolt, and the other side of the latitude circle is provided with a latitude protractor and a latitude pointer which are fixed on the bracket by screws; the semi-dome part of the bracket is provided with a light transmission seam and a small hole, wherein the small hole is positioned right above the globe, a zenith laser pen is arranged on the small hole, and laser irradiates the globe through the small hole; a support and a level meter are installed on the ground level ring, and adjusting feet are installed below the ground level ring to adjust the direction and the level of the experimental globe.

2. The experimental globe according to the technical scheme 1, wherein 35 degrees of north-south latitude lines are arranged on two sides of the meridian ring, and a slit is formed in the 35 degrees of north-south latitude lines of the meridian ring and is provided with a vertical hole rod to move back and forth.

3. The experimental globe according to claim 1, wherein the latitude lines of 90 ° are provided in the north and south of the latitude circle.

4. The experimental globe according to claim 1, wherein the time ring has corresponding time scales of 0 to 24 hours on both sides.

5. The experimental globe according to claim 1, wherein the horizon circle is located right below the globe, the side is marked with a scale with a circumferential angle of 360 degrees, the front is marked with south S, the rear is marked with north N, the left is marked with east E, and the right is marked with west W.

6. The experimental globe according to claim 1, wherein the crochet hook for the solar height protractor passes through a small hole at an origin of the protractor, a weight is hung at a position of 90 ° of the protractor, and the crochet hook is used as a pointer when the solar height is measured.

7. The experimental globe according to claim 1, wherein the level is a transparent cylinder or a cone, more than one half of the colored solution is contained in the container, the container is sealed, and circles with equal intervals and parallel to the bottom surface are drawn around the container.

Compared with the prior art, the utility model, have simple structure, the teaching is directly perceived, easily operates, not only has all functions of ordinary globe, has solved moreover that prior art is difficult to utilize the sunlight to survey direct sunlight spot position scheduling problem in real time outdoors.

Drawings

Figure 1 is a front view of the whole structure of the utility model,

figure 2 is a left side view of the whole structure of the utility model,

FIG. 3 is a front view of the globe structure of the present invention,

FIG. 4 is a left side view of the globe structure of the present invention,

FIG. 5 is a perspective view of the globe structure of the present invention,

figure 6 is a front view of the vertical hole rod structure of the utility model,

figure 7 is a front view of the bracket structure of the utility model,

figure 8 is a top view of the bracket structure of the utility model,

figure 9 is a front view of the meridian structure of the utility model,

figure 10 is a top view of the meridian structure of the present invention,

figure 11 is a front view of the structure of the bidirectional clamping head of the utility model,

fig. 12 is a top view of the ground level ring structure of the present invention.

In fig. 1 to 12, a bracket (1), a latitude circle (2), a globe (3), a time circle (4), a zenith laser pen (5), a meridian circle (6), a bidirectional clamp head (7), a level gauge (8), a horizon circle (9), a solar altitude protractor (10), a vertical hole rod (11), a latitude protractor (12), an adjusting foot (13), a screw (14), an axle nail (15), a latitude pointer (16), a latitude line (17), a light transmission seam (18), a small hole (19), a north-south latitude line (20), a fine seam (21) and a bolt (22).

The specific implementation mode is as follows:

the invention is further described below with reference to the following figures and examples:

as shown in fig. 1 to 12, an experimental globe comprises a support, a latitude ring, a globe, a time ring, a zenith laser pen, a meridian ring, a bidirectional chuck, a level gauge, a horizon ring, a solar height protractor, a latitude protractor, a vertical hole rod and the like. The meridian circle 6 is provided with a latitude line 20 and a slit 21, a vertical hole rod 11 is placed in the slit 21, and a sun height protractor 10 is inserted into the vertical hole rod 11; the time ring 4 and the latitude ring 2 are mutually vertical and wrap the globe 3, the south latitude and north latitude 90 degrees of the latitude ring 2 penetrate through the meridian 6 to form a whole with the globe 3 by using an axis nail 15, two 0-degree positions of the latitude ring 2 are taken as fulcrums, one side of the latitude ring 2 is provided with a bidirectional chuck 7 for fastening the time ring 4 and the latitude ring 2, the latitude ring 2 is fixed on the bracket 1 by using a bolt 22, the other side of the latitude ring 2 is provided with a latitude protractor 12 and a latitude pointer 16 and is fixed on the bracket 1 by using a screw 14, the semi-circular top of the bracket 1 is provided with a light-transmitting seam 18 and a small hole 19, the small hole 19 is positioned right above the globe 3, the small hole 19 is provided with a zenith laser; the upper surface of the ground level ring 9 is provided with the bracket 1 and the level gauge 8, and the lower surface of the ground level ring 9 is provided with an adjusting foot 13 for adjusting the direction and the level of the experimental globe.

35-degree north-south latitude lines 20 are arranged on two sides of the meridian 6, a slit 21 is formed in the 35-degree north-south latitude line 20 of the meridian, the vertical hole rod 11 is placed in the slit 21 and can move back and forth, and sunlight penetrates through a small hole of the vertical hole rod and irradiates the globe 3, namely the sun is at the direct irradiation point on the earth.

The south and north of the latitude circle 2 are provided with latitude lines 17 of 90 degrees; and the time scale from 0 to 24 hours is correspondingly arranged on the double surfaces of the time ring 4.

The horizon ring 9 is positioned under the globe 3, the edge is marked with scales with a circumferential angle of 360 degrees, the front is marked with south S, the back is marked with north N, the left is marked with east E, and the right is marked with west W.

The sun height protractor 10 is characterized in that a crochet hook penetrates through a small hole in the origin of the protractor, a heavy weight is hung at 90-degree position of the protractor, and the crochet hook is used as a pointer when the sun height is measured. After the position of the direct sun point is found, a sun height protractor 10 is inserted into the small hole of the vertical hole rod 11, so that the protractor 10 and the observation place on the globe 3 are on the same plane, and the reading pointed by the inserting pin of the sun height protractor 10 is the sun height of the observation place at the moment.

The level meter 8 is a transparent cylinder or a cone, more than one half of colored solution is filled in the container and sealed, and a circle of circles with equal interval and parallel to the bottom surface is drawn around the container.

When the device is used, experiments (observation) are carried out in a new observation place, specific conditions are firstly set, ① sunny days are irradiated by sunlight, ② the experimental globe is arranged in a few minutes before 12 o 'clock at noon, the purpose is to draw geographical north and south lines (meridian lines) on the ground by using the characteristic that the shadow of an object is located at 12 o' clock at noon and the geographical north and south directions, and the geographical north and south directions of the experimental globe are consistent with the geographical north and south directions when the experiments (observation) are carried out.

Thereafter, the experiment (observation) here is not limited by time as long as sunlight is irradiated. Then, the level meter 8 is placed at the center of the ground level ring 9, and the adjusting feet 13 are twisted to enable the ground level ring of the experimental globe to be in a horizontal state; the zenith laser pen 5 is opened, the globe 3 is rotated, the observation point is rotated to the position of the laser irradiation point, the bolt 22 of the bidirectional chuck 7 is tightened, and the globe 3 and the weft ring 2 are fixed. Then the meridian 6 is rotated until the sunlight penetrates through the slit 21 of the meridian and irradiates the globe 3 and the time ring 4, and the reading of the sunlight irradiating the time ring 4 through the slit 21 is the local time of the observation place; then, the vertical hole rod 11 on the meridian 6 is moved, and sunlight passes through the small hole 19 to irradiate the globe 3, namely the position of the direct sun point on the earth.

The specific embodiment is characterized in that ① measures the geographical direction of an observation place, ② measures the geomagnetic declination of the observation place, ③ measures the position of a direct solar point on the earth during observation, ④ measures the local time of the observation place during observation, ⑤ measures the solar height of the observation place during observation, ⑥ measures the refractive index of the atmosphere to sunlight, ⑦ observes the sunrise and sunset directions and the track of the sun running on a celestial sphere, ⑧ demonstrates the relation of the places around the world, ⑨ demonstrates the change law of the solar height of the observation place all over the world, ⑩ has all functions of a common globe, and the problems that the direct solar point position cannot be observed in real time easily by utilizing sunlight outdoors in the prior art are solved.

Claims

1. An experimental globe comprises a support, a latitude ring, a globe body, a time ring, a zenith laser pen, a meridian ring, two-way clamping heads, a level meter, a horizon ring, a sun height protractor, a latitude protractor and a vertical hole rod, and is characterized in that latitude lines (20) and a fine slit (21) are arranged on the meridian ring (6), the vertical hole rod (11) is placed in the fine slit (21), the sun height protractor (10) is inserted into the vertical hole rod (11), the time ring (4) and the latitude ring (2) are mutually vertical and wrap a landglobe (3), a shaft nail (15) penetrates through the meridian ring (6) at 90 degrees of south and north latitude of the latitude ring (2) to form a whole with the globe body (3), two 0-degree positions of the latitude ring (2) are taken as fulcrumples, and the two-way clamping heads (7) are arranged on one side to fasten the time ring (4), the latitude ring (2) and the globe body (3), fix on support (1) with bolt (22), latitude protractor (12) and latitude pointer (16) are equipped with to the opposite side, fix on support (1) with screw (14), support (1) semicircle top be equipped with light transmission seam (18) and aperture (19), wherein aperture (19) are located the globe directly over, are equipped with zenith laser pen (5) on aperture (19), the laser shines on globe (3) through the aperture, plano circle (9) above installing support (1) and spirit level (8), be equipped with below plano circle (9) and adjust the direction and the level of foot (13) adjustment experiment globe.

2. The laboratory globe according to claim 1, characterized in that the meridian (6) is provided with 35 degrees north-south latitude lines (20) on both sides, a slit (21) is formed at the 35 degrees north-south latitude lines (20) of the meridian (6), and the slit (21) is used for placing the vertical hole rod (11) to move back and forth.

3. The laboratory globe according to claim 1, characterized in that the latitude circle (2) is provided with latitude lines (17) of 90 ° in north and south.

4. The laboratory globe according to claim 1, characterized in that the time ring (4) is provided with corresponding time scales of 0 to 24 hours on both sides.

5. The laboratory globe according to claim 1, characterized in that the horizon circle (9) is located right under the globe (3), the side is marked with a scale of 360 ° of circumferential angle, the front is marked south S, the rear is marked north N, the left is marked east E, and the right is marked west W.

6. The experimental globe according to claim 1, characterized in that the sun height protractor (10) is inserted through the small hole at the origin of the protractor by a crochet hook, a weight is hung at 90 ° of the protractor, and the crochet hook is used as a pointer when measuring the sun height.

7. The laboratory globe according to claim 1, characterized in that the level (8) is a transparent cylinder or cone, the container is filled with more than half of the colored solution, it is sealed, and a circle of circles with equal distance and parallel to the bottom surface is drawn around the container.