Rotary contact pin electromagnetic type braille point display device

An electromagnetic, stylus technology, applied in educational appliances, instruments, teaching aids, etc., can solve the problems of large size, difficult to carry, complex structure, etc., and achieve the effects of easy operation, simple structure, and simple control structure.

Pending Publication Date: 2021-03-16
CHANGCHUN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because blind books are more bulky than ordinary paper books, and are not easy to carry, we hope to develop a portable, low-cost, and easy-to-spread haptic device for the use of the majority of visually disabled people, helping them to read and write anytime, anywhere. Receive more information and open a door to a new world for them
[0004] Aiming at the problems of complex structure, large volume, difficult to carry and high cost in the existing braille display device, we propose a rotary stylus electromagnetic braille display device

Method used

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  • Rotary contact pin electromagnetic type braille point display device
  • Rotary contact pin electromagnetic type braille point display device
  • Rotary contact pin electromagnetic type braille point display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] See figure 1 , an electromagnetic braille point display device with rotary stylus, including a concave-convex dot display array with several point components, the point components include an outer frame 2 and two signal boards 1, and the outer frame 2 is the upper and lower ends It is an open box structure, and the side end surfaces of the outer frame 2 are respectively provided with observation windows, and the upper and lower ends of the outer frame 2 are symmetrically provided with a signal board 1, and the signal board 1 is fixedly connected to the frame 2 by a number of bolts 7, so that The bolt 7 is covered with a fastening nut 6, the top of the inner cavity of the frame 2 is uniformly provided with a number of electromagnetically controlled rotating sleeve contact pins 3 matched with the signal board 1, and the bottom of the inner cavity of the frame 2 is evenly arranged. There are a number of electromagnetic coils 5 that are respectively matched with the signal ...

Embodiment 2

[0023] See Figure 2-4 , the difference from Embodiment 1 is that the rotating sleeve contact pin 3 includes a contact pin 31 matched with the signal board 1, an inclined guide rail slider 32, a guide sleeve 33, a magnet 34 and a straight guide rail slider 35, the The stylus 31 is slidably connected to the inner cavity of the guide sleeve 33, the axis of the stylus 31 coincides with the axis of the guide sleeve 33, and the front side of the guide sleeve 33 is provided with an inclined track groove matched with the inclined guide rail slide button 32. The inclined track groove is a cross-shaped structure, and the back side of the guide sleeve 33 is provided with a straight track groove matched with the straight guide rail slider 35. The inclined guide rail slider 32 and the straight guide rail slider 35 are fixedly connected to the contact pin 31 respectively. Above, the bottom end of the contact pin 31 is fixedly connected with a magnet 34 matched with the electromagnetic coil...

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Abstract

The invention discloses a rotary contact pin electromagnetic type braille point display device which comprises a concave-convex point display array with a plurality of point position assemblies, eachpoint position assembly comprises an outer frame and two signal plates, the upper end and the lower end of each outer frame are symmetrically provided with the signal plates, and the top of an inner cavity of a frame is evenly provided with a plurality of electromagnetic control type rotary sleeve contact pins matched with the signal plates. A plurality of electromagnetic coils respectively matched with the signal plate and the rotary sleeve contact pins are uniformly arranged at the bottom of the inner cavity of the frame; guide rods are arranged between the electromagnetic coils and the rotary sleeve contact pins; when the braille point display device is used, the electromagnetic coil is powered on, then the electromagnetic coil is used for generating a magnetic field, the magnetic forceof the magnetic field acts on the rotating sleeve contact pin, then the rotating sleeve contact pin operates in the frame, the rotating sleeve contact pin is used for discontinuously touching the signal board, and the braille point display function of the signal board is achieved. The whole braille point display device is simple in structure, the arrangement size of the whole device can be greatly reduced, and the braille point display device is convenient to carry and beneficial to cost reduction.

Description

technical field [0001] The invention relates to the technical field of educational equipment for the blind, in particular to a rotating stylus electromagnetic braille display device. Background technique [0002] Usually, 80% of the information obtained by normal people comes from vision. However, for the visually impaired, they can only obtain external information through hearing, touch, smell, and taste. Because their ability and ways of obtaining external information are limited, it is very important for the blind to read and perceive the world around them. difficult things. The sense of touch is the most important channel besides hearing. [0003] Generally speaking, blind books are an important medium for blind people to obtain information and receive education. However, because blind books are more bulky than ordinary paper books, and are not easy to carry, we hope to develop a portable, low-cost, and easy-to-spread haptic device for the use of the majority of visua...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): G09B21/00
CPCG09B21/003G09B21/004
Inventor田晓超孙禹泽王虎王志聪王海刚朱金志赵剑李志瑶
OwnerCHANGCHUN UNIV