CN210627599U - Electromagnetic braille display device - Google Patents
Electromagnetic braille display device Download PDFInfo
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- CN210627599U CN210627599U CN201921403098.XU CN201921403098U CN210627599U CN 210627599 U CN210627599 U CN 210627599U CN 201921403098 U CN201921403098 U CN 201921403098U CN 210627599 U CN210627599 U CN 210627599U
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Abstract
The utility model relates to an electromagnetic braille display device, which comprises a display panel, wherein the upper surface of the display panel is provided with a groove, and a plurality of display contacts are distributed in the groove in a matrix manner; the display contact comprises a magnetic cylinder and an electromagnetic coil sleeved outside the magnetic cylinder, and the magnetic cylinder is longitudinally and movably arranged in the electromagnetic coil; the display panel is rotatably provided with a movable door for opening or closing the groove, the movable door comprises a frame body which is rotatably connected with the display panel, and an elastic film is arranged in the frame body; the upper surface of the elastic film is provided with a plurality of hard transverse ribs and a plurality of hard longitudinal ribs which are fixedly connected with the frame body; the plurality of transverse ribs and the plurality of longitudinal ribs are distributed in a staggered mode to form a plurality of separation frames, and six display contacts are correspondingly arranged on each single separation frame; not only can carry out the braille in batches and show, the mode of separating the frame can make the blind person read more easily, when the elastic film appears damaging, also can change by oneself easily, and the equipment and the maintenance that show the contact are also very simple and easy.
Description
Technical Field
The utility model relates to a braille display technical field, more specifically say, relate to an electromagnetic type braille display device.
Background
The braille is a character specially designed for the blind, and consists of six convex blocks, and various meanings are formed by the combination of existence and deficiency of the six convex blocks; at present, braille books are difficult to manufacture, the number of the braille books is small, and a display screen which is convenient for blind people to read is needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide an electromagnetic type braille display device.
The utility model provides a technical scheme that its technical problem adopted is:
the electromagnetic type braille display device comprises a display panel, wherein a groove is formed in the upper surface of the display panel, and a plurality of display contacts are distributed in the groove in a matrix manner; the display contact comprises a magnetic cylinder and an electromagnetic coil sleeved outside the magnetic cylinder, the bottom of the electromagnetic coil and the bottom of the groove are fixedly arranged, and the magnetic cylinder is longitudinally and movably arranged in the electromagnetic coil; the display panel is rotatably provided with a movable door for opening or closing the groove, the movable door comprises a frame body which is rotatably connected with the display panel, and an elastic film is arranged in the frame body; the upper surface of the elastic film is provided with a plurality of hard transverse ribs and a plurality of hard longitudinal ribs which are fixedly connected with the frame body; and a plurality of separation frames are formed by distributing a plurality of transverse ribs and a plurality of longitudinal ribs in a staggered manner, and six display contacts correspond to a single separation frame.
The electromagnetic braille display device of the utility model is characterized in that the opening of the groove is provided with an installation step for installing the movable door; and the two ends of one side edge of the frame body are rotatably connected with the inner wall of the mounting step through rotating shafts.
The electromagnetic braille display device of the utility model is characterized in that the frame body is provided with a magnetic part; and iron pieces correspondingly adsorbed to the magnetic pieces are arranged on the mounting steps.
Electromagnetic type braille display device, wherein, the outside cover of solenoid is equipped with magnetism proof cover, magnetism proof cover the lower extreme with the bottom surface fixed connection of recess.
The beneficial effects of the utility model reside in that: through to solenoid circular telegram, the magnetic field that solenoid produced is with magnetism cylinder jack-up, it is protruding to extrude the elastic film formation, every division frame on the elastic film corresponds six display contact, six display contact can form a braille characters, the above-mentioned structure of this application, it is reasonable and compact, not only can carry out batch braille demonstration, and the content is easily changed, the mode of dividing the frame can be so that the blind person is lighter when reading, can not appear in disorder, when the elastic film appears damaging in addition, also can be easily change by oneself, the equipment and the maintenance of display contact are also very simple and easy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the drawings:
fig. 1 is a schematic structural view of an electromagnetic braille display device according to a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of the display contact structure of the electromagnetic braille display device according to the preferred embodiment of the present invention;
fig. 3 is a front view of the elastic film of the electromagnetic braille display device according to the preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention.
The electromagnetic braille display device of the preferred embodiment of the utility model is shown in fig. 1, and simultaneously refers to fig. 2 and fig. 3, and comprises a display panel 1, wherein the upper surface of the display panel 1 is provided with a groove 10, and a plurality of display contacts 2 are distributed in the groove 10 in a matrix manner; the display contact 2 comprises a magnetic cylinder 20 and an electromagnetic coil 21 sleeved outside the magnetic cylinder, the bottom of the electromagnetic coil 21 and the bottom of the groove 10 are fixedly arranged, and the magnetic cylinder 20 is longitudinally movably arranged in the electromagnetic coil 21; the display panel 1 is rotatably provided with a movable door 11 for opening or closing the groove 10, the movable door 11 comprises a frame body 110 which is rotatably connected with the display panel 1, and an elastic film 111 is arranged in the frame body 110; the upper surface of the elastic film 111 is provided with a plurality of hard transverse ribs 112 and a plurality of hard longitudinal ribs 113 which are fixedly connected with the frame body 110; a plurality of transverse ribs 112 and a plurality of longitudinal ribs 113 are distributed in a staggered mode to form a plurality of separation frames, and six display contacts 2 are correspondingly arranged on a single separation frame;
through the circular telegram to solenoid 21, the magnetic field that solenoid 21 produced jacks up magnetic cylinder 20, extrusion elastic film 111 forms the arch, every separation frame on elastic film 111 corresponds six demonstration contacts 2, six demonstration contacts 2 can form a braille characters, the above-mentioned structure of this application, it is reasonable and compact, not only can carry out batch braille demonstration, and the content easily changes, the mode of separation frame can make the blind person read when more light, can not appear in disorder, in addition when elastic film 111 appears damaging, also can be easily change by oneself, the equipment and the maintenance of demonstration contact are also very simple and easy.
Preferably, an opening of the groove 10 is provided with an installation step 100 for installing the movable door; both ends of one side edge of the frame body 110 are rotatably connected with the inner wall of the mounting step 100 through rotating shafts; simple structure, low cost, and convenient change to the dodge gate.
Preferably, the frame body 110 is provided with a magnetic member 1100; an iron piece 1000 correspondingly adsorbed to the magnetic piece 1100 is arranged on the mounting step 100; of course, the magnetic part can be arranged on the installation step, and the iron part can be arranged on the frame body; the iron piece can be replaced by a magnetic piece; and detachable connection modes such as buckle connection and screws can also be adopted.
Preferably, a magnetism isolating sleeve 210 is sleeved outside the electromagnetic coil 21, and the lower end of the magnetism isolating sleeve 210 is fixedly connected with the bottom surface of the groove 10; and the interference of adjacent display contacts is avoided.
Preferably, a controller 3 for controlling the on/off of the electromagnetic coil 21 in batches is also included, and the controller 3 may be a control board as in the granted patent CN 201611252075.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (4)
1. The electromagnetic type braille display device is characterized by comprising a display board, wherein a groove is formed in the upper surface of the display board, and a plurality of display contacts are distributed in the groove in a matrix manner; the display contact comprises a magnetic cylinder and an electromagnetic coil sleeved outside the magnetic cylinder, the bottom of the electromagnetic coil and the bottom of the groove are fixedly arranged, and the magnetic cylinder is longitudinally and movably arranged in the electromagnetic coil; the display panel is rotatably provided with a movable door for opening or closing the groove, the movable door comprises a frame body which is rotatably connected with the display panel, and an elastic film is arranged in the frame body; the upper surface of the elastic film is provided with a plurality of hard transverse ribs and a plurality of hard longitudinal ribs which are fixedly connected with the frame body; and a plurality of separation frames are formed by distributing a plurality of transverse ribs and a plurality of longitudinal ribs in a staggered manner, and six display contacts correspond to a single separation frame.
2. An electromagnetic braille display device according to claim 1, characterized in that an opening of the groove is provided with a mounting step for mounting the movable door; and the two ends of one side edge of the frame body are rotatably connected with the inner wall of the mounting step through rotating shafts.
3. An electromagnetic braille display device according to claim 2, characterized in that a magnetic member is provided on the frame body; and iron pieces correspondingly adsorbed to the magnetic pieces are arranged on the mounting steps.
4. An electromagnetic braille display device according to claim 1, characterized in that a magnetism isolating sleeve is sleeved outside the electromagnetic coil, and the lower end of the magnetism isolating sleeve is fixedly connected with the bottom surface of the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921403098.XU CN210627599U (en) | 2019-08-27 | 2019-08-27 | Electromagnetic braille display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921403098.XU CN210627599U (en) | 2019-08-27 | 2019-08-27 | Electromagnetic braille display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210627599U true CN210627599U (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921403098.XU Active CN210627599U (en) | 2019-08-27 | 2019-08-27 | Electromagnetic braille display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210627599U (en) |
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2019
- 2019-08-27 CN CN201921403098.XU patent/CN210627599U/en active Active
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