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A map drawing display device

A technology of display equipment and map drawing, applied in the field of scientific and technological exhibits, can solve the problems of map distortion, incomprehensibility, and observation, and achieve the effect of improving science popularization and reasonable structure design

Active Publication Date: 2020-09-25
HEFEI SCI & TECH MUSEUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The Mercator projection is an equiangular cylindrical projection on the positive axis. The maps drawn by this projection method have distortions that ordinary people have not noticed.
This deformation is not easy to observe, so it is more abstract and difficult to understand

Method used

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  • A map drawing display device

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Embodiment Construction

[0012] like figure 1 as shown, figure 1 It is a schematic structural diagram of a map drawing display device proposed by the present invention.

[0013] refer to figure 1 , a map drawing and display device proposed by the present invention, comprising: a base 1, a globe 2, and a cylinder 3;

[0014] The globe 2 is arranged on the base 1, the center of the globe 2 is provided with a light source 4, the surface of the globe 2 is provided with a light-transmitting ocean area and an opaque land area, and the cylindrical tube 3 is set outside the globe 2 and is the same as the globe 2. Arranged on the shaft, the cylinder 3 is made of light-transmitting material and has an electro-variable film on its surface.

[0015] During the specific working process of the map drawing and display device of this embodiment, the light transmittance of the electrovariable film changes with the current on and off. When the electrovariable film transmits light, the globe can be observed through t...

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Abstract

The invention discloses a map drawing display device. A tellurion is arranged on a base, the centre of sphere of the tellurion is provided with a light source, the surface of the tellurion is providedwith a light-transmitting marine area and a lightproof land area, a cylindrical tube is sleeved outside the tellurion and is coaxially arranged with the tellurion, and the cylindrical tube is made ofa light-transmitting material and has an electro-variable film on its surface. Through the optimized design of the map drawing display device, the structure design is reasonable. Under the illumination of the light source, the projection of the lightproof land area on the tellurion on the surface of the cylindrical tube allows the visitor to observe the projection of the tellurion on the cylindrical tube, to understand the map drawing process, and to visually observe the image distortion of the projection relative to the surface of the tellurion, thereby improving the science popularization effect.

Description

technical field [0001] The invention relates to the technical field of scientific and technological exhibits, in particular to a map drawing display device. Background technique [0002] The earth is spherical, and all maps are printed on flat paper. There are many ways to draw maps on flat paper. Among them, the Mercator projection is a commonly used drawing method. The Mercator projection is an equirectangular cylindrical projection. The maps drawn by this projection method have distortions that ordinary people have not noticed. This deformation is not easy to observe, so it is more abstract and difficult to understand. Contents of the invention [0003] In order to solve the technical problems existing in the background technology, the present invention proposes a map drawing display device. [0004] A map drawing and display device proposed by the present invention includes: a base, a globe, and a cylinder; [0005] The globe is set on the base, the center of the g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B25/00G09B25/06G09B29/00
CPCG09B25/00G09B25/06G09B29/004
Inventor 罗季峰刘奕袁媛曹晓翔
Owner HEFEI SCI & TECH MUSEUM