JPS5942869B2 - Solar system projection method and device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improved creation of a solar system projection method and apparatus.

Conventional solar system projectors project images of planets as they revolve around their orbits on a dome by using a combination of two prisms, a bend-angle prism for small orbits, and a right-angle prism for large orbits. This system projects a planetary image with the sun image as the center by changing the angle of the luminous flux and rotating the projector together with the prism at a specific period. It was installed.

Therefore, when using the above-mentioned conventional method and device to determine the orbit radius, the method using a variable angle prism sets the orbit so that it revolves in a constant orbit, but the method using two right angle prisms requires adjustment. However, since the projector itself is rotated, there are some inconveniences in terms of construction, such as the use of slip rings on the wiring.

In order to eliminate the above-mentioned drawbacks, this invention separates the rotating mechanism part of the reflecting mirror and the projector, and furthermore, replaces the prism for changing the optical path of the projected image with a simple reflecting mirror, thereby reducing the overall size of the device. It is highly functional and highly functional.

In other words, the solar reflector is fixed at an angle of 900 with respect to the perpendicular line of the support rod, and the reflector of each planet is fixed at an α angle with respect to the perpendicular line of the support rod, which rotates with its own period. The device is a method of projecting the solar system, characterized in that the optical axis is placed at an angle of θ with respect to the perpendicular to the corresponding reflection theory mounting support.

Regarding the principle of the above method, as shown in Figure 1, the emitted rays from the sun and planet projection tube are P1 and P2, and P1 and P
2 is parallel.

The angle of incidence on each deforming mirror ml and m10 is θ and (θ
+α).

Since the sun only needs to stop at one point on the dome in the solar system projector, ml is fixed at 900 with respect to the perpendicular M1, and P1 is projected in the P'1 direction with a reflection angle θ.

On the other hand, the planet P2 is incident at an angle θ with respect to the perpendicular M2, but since the polarization mirror MlO has an inclination angle α, the reflected light P7
2 is given an angle of 2α with respect to P2.

Therefore, when the deflection mirror MlO is rotated around the perpendicular line M2, we get
The reflected light P'2 makes a conical motion at an angle of 2α with P2 as the axis.

Therefore, by giving the alpha angle unique to each planet when installing the reflecting mirror, the radius of each planet's orbit on the dome can be easily determined.

Since this box light is as shown above, if the reflector of each planet except the sun is fixed at a unique angle of inclination to the perpendicular of the support rod according to the radius of the orbit, the projection of each planet can be obtained. It is easy to manufacture because it does not rotate the projector, and there is no need to use a prism, which can be replaced with a reflector, which not only saves material costs, but also reduces the need for supporting rods. This has advantages such as easy angle adjustment. A specific apparatus for the above method is constructed as follows.

The feature of this device is that the rotation mechanism of the projector and the reflector are separated, and there is a support rod 1 that fixes the solar reflector ml on the pedestal T, a support rod 2 that fixes the Mercury reflector M2, and a support rod 2 that fixes the reflector M2 of Mercury. A support rod 3 that fixes the reflector M3 on Earth, a support rod 4 that fixes the Earth reflector M4, and a support rod 5 that fixes the Mars reflector M5 are arranged in a line, and the other support rods 2 and 3 except for the sun are arranged in a row. , 4, and 5 are rotatably fixed, and pulleys H having different diameters are attached to each of these support rods 2, 3, 4, and 5 so as to rotate according to the period unique to each planet, and the belt V is suspended. and are interlocked in one direction and driven at a specific period.

The solar reflector ml is fixed at an angle of 900 with respect to support rod 1, Mercury's reflector M2 is fixed at an angle of 1.0 with respect to support rod 2, and Venus' reflector M3 is fixed at an angle of 1.8 with respect to support rod 3. , the reflector M4 on Earth is fixed at an angle of 2.5 with respect to the support rod 4, and the reflector M5 on Mars is fixed at an angle of 3.8 with respect to the support rod 5, respectively. Parallel to the above row are Jupiter's reflector M6, Saturn's reflector M7, Uranus' reflector M8, Neptune's reflector M9, and Pluto's reflector M.
lO, is fixed to the support rods 6, 7, 8, 9, 10 at a required oblique angle, and each support rod 6, 7, 8, 9, 10 is connected to a rotating gear gl so that it rotates at its own period. It is configured to be interlocked in one direction by meshing with the intermediate gear G2.

Incidentally, Jupiter's reflector M6 has a ratio of 5.3 to 6 rods, Saturn's reflector M7 has a ratio of 7 to 7 rods, Uranus' reflector M8 has a ratio of 9.47 to 8 rods, and Neptune's reflector has a ratio of 9.47 to 8 rods. Mirror M9 has 129 beams to 9 beams, and Pluto's reflector MlO has 1 beam to 10 beams.
4, each having a unique inclination angle.

The respective projectors Ll, L2,
L3, L4, L5, L6, L7, L8, L9, and LlO are arranged in two rows of five in one row, one above the other, and each projector is mounted on a support frame S established on a pedestal T with a mounting support for the sun and planets, respectively. It is mounted with the optical axis oriented at an angle of 40 with respect to the perpendicular.

Incidentally, the angle 40 between the optical axis and the perpendicular line is an angle suitable for setting the position for projecting onto the dome.

Although not shown, each of the projectors described above is of course comprised of a projection lens, a required original, a condenser lens, and a light source lamp.

By lighting the light source lamps of each of the projectors L1 to LlO having the above configuration, and by interlocking the support rods of each planet and rotating the reflecting mirrors according to a unique period, each planet has its own unique image centered around the projected image of the sun. A projection image that revolves around an orbit with a period of is projected onto the dome.

Some of the outer planets, the inner planets including Mars, have small orbital radii and fast rotation periods, so the first drive unit is interlocked in one direction by the transmission mechanism of belt-H and belt-V.

In addition, since the outer planets Jupiter and Pluto have large orbital radii and slow rotation periods, the drive system uses gear GL and intermediate gear G2 to ensure the high and low rotation speeds of each planet. In addition, the rotation mechanism can be configured compactly, and even if the projectors for Uranus, Neptune, and Pluto, which were missing in the solar system projector of Japan and the United States, are installed, the volume can be configured to be small, making it extremely compact compared to conventional projectors. Excellent projection effects can be obtained.

[Brief explanation of the drawing]

The attached drawings show specific embodiments of the present invention, in which Fig. 1 is a principle diagram, Fig. 2 is a plan view of the device, Fig. 3 is a sectional view taken along the line A-A, and Fig. 4 is a sectional view taken along the line B-B. It is a diagram. In the figure, T is the pedestal, m1 is the solar reflector, 1 is the support rod as above, M2 is the reflector of Mercury, 2 is the support rod as above, M3 is the reflector of Venus, 3 is the support rod as above, and M4 is the reflector of Venus. Earth's reflector, 4 is the same rod, M5 is the Mars reflector, 5 is the same rod, M6 is Jupiter's reflector, 6 is the same rod, M7 is Saturn's reflector, 7 is the same rod, M8 is the reflector of Uranus, 8 is the same support rod, M9
is a reflector of Neptune, 9 is a support rod of the same name, MlO is a reflector of Pluto, 10 is a support rod of the same name, S is a support rod, and L1 to LlO are projectors.

Claims (1)

[Claims] 1. The solar reflector is fixed at 90° to the perpendicular line of the support rod,
The reflector of each planet is fixed at an α angle with respect to the perpendicular line of the support rod that rotates with its own unique period, and the optical axis of the sun and the projector of each planet is relative to the perpendicular line of the support rod of the corresponding reflector. A method of projecting the solar system, characterized in that the solar system is placed at the θ angle position. 2. On the pedestal, the Sun, Mercury, Venus, Earth, and Mars, and Jupiter, Saturn, Uranus, Neptune, and Pluto are placed in two rows.The sun reflector is fixed at 90 degrees to the perpendicular line of the support rod, and Mars is set higher than Mercury. The reflectors of each planet up to this point are fixed at an α angle to the perpendicular line of the support rod, and each support rod is linked in one direction by a transmission mechanism consisting of a pulley and belt so that it rotates at its own period. As above, each of the outer planets has a reflecting mirror fixed to the perpendicular line of the support rod at a unique angle, and each support rod is rotatable at a unique period and meshed with each other so as to be interlocked in one direction by a gear mechanism. A solar system projection device comprising two rows of projectors, each corresponding to a planet, mounted on a support frame so that the optical axis can be incident at an angle of θ with respect to the perpendicular line of the support rod.