CN216902000U - Electromagnetic braille display - Google Patents

Abstract

The utility model relates to the technical field of Braille display, in particular to an electromagnetic Braille display, which comprises a mounting seat, a push-pull electromagnet, a large plane, a display mechanism and a shell, wherein the display mechanism comprises a mounting box, an adsorption electromagnet, a push rod, Braille points, a first spring and an armature, the push-pull electromagnet is electrified to pull down the large plane, the Braille points are all retracted into a display hole, the armature descends to be close to the adsorption electromagnet, a control system is utilized to control the adsorption electromagnet below the Braille points which do not need to be projected to be electrified, then the push-pull electromagnet is powered off, the large plane is moved upwards to reset, the electrified adsorption electromagnet sucks the corresponding armature so as to fix the push rod, the corresponding Braille points cannot be driven to be projected, the Braille points above the non-electrified adsorption electromagnet are projected so as to form Braille, and the simple combination of the adsorption electromagnet and the push-pull electromagnet is utilized, the structure is simple, and the disassembly, assembly and maintenance are convenient.

Description

Electromagnetic braille display

Technical Field

The utility model relates to the technical field of Braille display, in particular to an electromagnetic Braille display.

Background

The Braille is formed by arranging and combining a plurality of convex points to form a point for touch perception and reading. Each dot consists of six or eight bumps. In each point, different raised or lowered convex points are combined to represent different information, and then character information is represented by the combination of a plurality of point squares.

A hierarchical electromagnetic braille display device and a braille reader are disclosed in patent document CN 104408994B. The Braille display device comprises three layers of Braille display modules and a touch panel, wherein each layer of Braille display module comprises five plates and a plurality of contact driving mechanisms for driving the Braille contacts to bulge and reset; one or more rows of arranged braille dot character lattices are arranged on the touch pad, and each row of braille dot character lattices have a plurality of braille dot character lattices for displaying braille characters; and the microprocessor is respectively connected with the Braille translation and conversion module, the voice playing module and the contact controller, and the contact controller is connected with the Braille display device to form the Braille reading machine. The Braille display device adopts the electromagnetic induction working principle, can display one or more lines of Braille characters, has the advantages of exquisite structural design, low cost, stable performance and high reliability, can refresh the Braille in real time, is synchronous in Braille display and voice playing, meets the reading and learning requirements of the blind, and has great social significance.

The braille display device in the above patent document has a complicated structure and is troublesome to assemble, disassemble and maintain.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electromagnetic braille display which is simple in structure and convenient to disassemble, assemble and maintain.

In order to achieve the above object, the present invention provides an electromagnetic braille display, which includes a mounting seat, a plurality of push-pull electromagnets, a large plane, a plurality of display mechanisms and a housing, wherein the plurality of push-pull electromagnets are respectively and fixedly connected with the mounting seat and respectively located at one side of the mounting seat, the large plane is respectively and fixedly connected with the plurality of push-pull electromagnets, the plurality of push-pull electromagnets respectively penetrate through the large plane, the large plane has a plurality of holes, the display mechanisms include a mounting box, a plurality of adsorption electromagnets, a plurality of push rods, a plurality of braille dots, a plurality of first springs and a plurality of armatures, the mounting box is fixedly connected with the mounting seat and located at one side of the mounting seat, the plurality of adsorption electromagnets are respectively and fixedly connected with the mounting box and respectively located inside the mounting box, the plurality of push rods are respectively and slidably connected with the large plane, and be located a plurality of respectively in the hole, it is a plurality of the braille point respectively with a plurality of push rod threaded connection, and be located a plurality of respectively push rod one side, it is a plurality of first spring respectively with a plurality of push rod fixed connection, and respectively with big plane fixed connection, and be located a plurality of respectively the push rod side, it is a plurality of armature respectively with a plurality of push rod fixed connection, and be located a plurality of respectively between push rod and a plurality of the absorption formula electro-magnet, the shell with the mount pad can be dismantled and be connected, and be located mount pad one side, the shell has a plurality of display holes.

The push-pull electromagnet comprises a push-pull electromagnet body, a guide rod and a second spring, the push-pull electromagnet body is fixedly connected with the mounting seat and is positioned on one side of the mounting seat, the guide rod is slidably connected with the push-pull electromagnet body and is fixedly connected with the large plane and penetrates through the large plane, and the second spring is fixedly connected with the large plane and is fixedly connected with the push-pull electromagnet body and is positioned on the side edge of the guide rod.

The shell is provided with a switch button and three keys, the switch button is positioned on one side of the shell, and the three keys are respectively positioned on one side of the switch button.

The utility model relates to an electromagnetic braille display, wherein a mounting seat is used for mounting a plurality of push-pull electromagnets which jointly support a large plane, the plurality of push-pull electromagnets can pull the large plane downwards and push the large plane upwards after pulling to reset the large plane, a plurality of display mechanisms respectively display different dot directions, each dot direction represents different characters, the plurality of display mechanisms jointly form a sentence, a mounting box is mounted on the mounting seat, a plurality of adsorption electromagnets are mounted in the mounting box, a control system is utilized to control whether the adsorption electromagnets are electrified or not, a plurality of push rods respectively penetrate through a plurality of holes, the push rods can slide in the holes, and an armature is mounted below each push rod, the big plane moves down to drive the armature and the push rod to move down together, the armature moves down to be attached with the adsorption type electromagnet, the adsorption type electromagnet is electrified to absorb the armature, so that the height position of the push rod is fixed, the push-pull type electromagnet is powered off, when the big plane moves up to reset, the first spring is compressed by the big plane and the push rod, after the adsorption type electromagnet is powered off, the first spring can push the push rod to move up again, the Braille point thread is installed on the push rod, the disassembly and replacement are convenient, the push rod moves up to drive the corresponding Braille point to move up, the display hole on the shell protrudes, the Braille point moves down, the Braille point does not protrude from the display hole on the shell, different Braille points move up or move down respectively, so as to form Braille, the method specifically comprises the following steps: when changing pages, all the push-pull electromagnets are electrified, the push-pull electromagnets are electrified to pull down the large plane, all the braille points are all downwards moved and retracted into the shell from the corresponding display holes, all the armatures descend to be close to the adsorption type electromagnets corresponding to the lamination, then the braille points displayed by the control system as required are utilized to control the adsorption type electromagnets without the convex braille points below to be electrified, then all the push-pull electromagnets are powered off, the large plane is upwards moved to reset, the adsorption type electromagnets which are electrified suck the corresponding armatures, so that the corresponding push rods can not drive the corresponding braille points to protrude out of the display holes, the adsorption type electromagnets which are not electrified can not suck the corresponding armatures, when the large plane is upwards moved, the corresponding push rods are pushed by the corresponding first springs to upwards move to drive the corresponding braille points to upwards move to protrude out of the display holes, the Braille points are arranged in the display holes to form different concave-convex points so as to form Braille, and the adsorption type electromagnet and the push-pull type electromagnet are simply combined, so that the structure is simple, and the disassembly, assembly and maintenance are convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that 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 according to the drawings without creative efforts.

Fig. 1 is a three-dimensional diagram of an electromagnetic braille display provided by the utility model.

Fig. 2 is a schematic structural diagram of an electromagnetic braille display provided by the utility model, which does not include a housing.

Fig. 3 is another schematic structural diagram of the electromagnetic braille display provided by the utility model, which does not comprise a shell.

In the figure: 1-mounting seat, 2-push-pull electromagnet, 3-large plane, 4-display mechanism, 5-shell, 21-push-pull electromagnet body, 22-guide rod, 23-second spring, 31-hole, 41-mounting box, 42-adsorption electromagnet, 43-push rod, 44-braille point, 45-first spring, 46-armature, 51-display hole, 52-switch button and 53-key.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 3, the present invention provides an electromagnetic braille display:

the large-size push-pull type electromagnetic switch comprises a mounting seat 1, a plurality of push-pull type electromagnets 2, a large plane 3, a plurality of display mechanisms 4 and a shell 5, wherein the push-pull type electromagnets 2 are fixedly connected with the mounting seat 1 respectively and are respectively positioned on one side of the mounting seat 1, the large plane 3 is fixedly connected with the push-pull type electromagnets 2 respectively, the push-pull type electromagnets 2 penetrate through the large plane 3 respectively, the large plane 3 is provided with a plurality of holes 31, each display mechanism 4 comprises a mounting box 41, a plurality of adsorption type electromagnets 42, a plurality of push rods 43, a plurality of braille points 44, a plurality of first springs 45 and a plurality of armatures 46, the mounting box 41 is fixedly connected with the mounting seat 1 and is positioned on one side of the mounting seat 1, the adsorption type electromagnets 42 are fixedly connected with the mounting box 41 respectively and are positioned in the mounting box 41 respectively, and the push rods 43 are slidably connected with the large plane 3 respectively, and be located a plurality of respectively in the hole 31, it is a plurality of braille point 44 respectively with a plurality of push rod 43 threaded connection, and be located a plurality of respectively push rod 43 one side, it is a plurality of first spring 45 respectively with a plurality of push rod 43 fixed connection, and respectively with big plane 3 fixed connection, and be located a plurality of respectively push rod 43 side, it is a plurality of armature 46 is respectively with a plurality of push rod 43 fixed connection, and be located a plurality of respectively push rod 43 is with a plurality of between the absorption formula electro-magnet 42, shell 5 with mount pad 1 can dismantle the connection, and be located 1 one side of mount pad, shell 5 has a plurality of display holes 51.

In this embodiment, the mounting base 1 is used for mounting a plurality of push-pull electromagnets 2, the plurality of push-pull electromagnets 2 jointly support the large plane 3, the plurality of push-pull electromagnets 2 can pull the large plane 3 downwards and push the large plane 3 upwards after pulling to reset the large plane 3, the plurality of display mechanisms 4 respectively display different dot directions, each dot direction represents a different character, the plurality of display mechanisms 4 jointly form a sentence, the mounting box 41 is mounted on the mounting base 1, the mounting box 41 is mounted with a plurality of adsorption electromagnets 42, a control system is used to control whether the plurality of adsorption electromagnets 42 are powered on or not, the plurality of push rods 43 respectively pass through the plurality of holes 31, the plurality of push rods 43 can slide in the plurality of holes 31, and the armature 46 is mounted below each push rod 43, the large plane 3 moves downwards to drive the armature 46 and the push rod 43 to move downwards together, the armature 46 moves downwards to be attached to the adsorption type electromagnet 42, the adsorption type electromagnet 42 is electrified to be capable of sucking the armature 46, so that the height position of the push rod 43 is fixed, the push-pull type electromagnet 2 is powered off, when the large plane 3 moves upwards to reset, the first spring 45 is compressed by the large plane 3 and the push rod 43, after the adsorption type electromagnet 42 is powered off, the first spring 45 can push the push rod 43 to move upwards, the point 44 is in threaded mounting on the push rod 43, the disassembly and replacement are convenient, the push rod 43 moves upwards to drive the corresponding braille point 44 to move upwards, the display hole 51 on the shell 5 protrudes, the push rod 43 moves downwards to drive the corresponding braille point 44 to move downwards, and the display hole 51 of the shell 5 does not protrude, the different braille points 44 move up or down respectively, thereby forming braille, specifically: when pages are changed, all the push-pull type electromagnets 2 are electrified, the large plane 3 is pulled down by electrifying the push-pull type electromagnets 2, all the braille points 44 are all downwards moved from the corresponding display holes 51 to be retracted into the shell 5, all the armatures 46 are descended to be close to the adsorption type electromagnets 42 corresponding to the lamination, then the control system is utilized to display braille points as required, the adsorption type electromagnets 42 below the braille points 44 which do not need to be protruded are electrified, then all the push-pull type electromagnets 2 are powered off, the large plane 3 is upwards moved to be reset, the adsorption type electromagnets 42 which are electrified suck the corresponding armatures 46, so that the corresponding push rods 43 can not drive the corresponding braille points 44 to be protruded out of the display holes 51, the adsorption type electromagnets 42 which are not electrified can not suck the corresponding armatures 46, when the large plane 3 is upwards moved, the corresponding push rod 43 is by corresponding first spring 45 promotes to move up and drives the correspondence the braille point 44 goes up the protrusion the display hole 51, it is a plurality of the braille point 44 is in a plurality of form different concave-convex points in the display hole 51 to form the braille, utilize adsorption-type electro-magnet 42 with plug-type electro-magnet 2's simple combination for simple structure makes things convenient for the dismouting to maintain.

Further, the push-pull electromagnet 2 comprises a push-pull electromagnet body 21, a guide rod 22 and a second spring 23, the push-pull electromagnet body 21 is fixedly connected with the mounting base 1 and is located on one side of the mounting base 1, the guide rod 22 is slidably connected with the push-pull electromagnet body 21 and is fixedly connected with the large plane 3 and penetrates through the large plane 3, and the second spring 23 is fixedly connected with the large plane 3 and is fixedly connected with the push-pull electromagnet body 21 and is located on the side edge of the guide rod 22.

In this embodiment, the push-pull electromagnet body 21 is installed on one side of the installation base 1, the guide rod 22 can be driven by the push-pull electromagnet body 21 to slide downwards, the guide rod 22 slides to drive the large plane 3 to slide downwards, when the electromagnet body is powered on, the guide rod 22 is driven to move downwards, the large plane 3 is driven to move downwards by pulling downwards, the large plane 3 moves downwards to compress the second spring 23, at this time, the second spring 23 provides an upward elastic force for the large plane 3, when the electromagnet body is powered off, the guide rod 22 does not pull downwards the large plane 3 any more, and the second spring 23 pushes the large plane 3 to move upwards to reset.

Further, the housing 5 has a switch button 52 and three keys 53, the switch button 52 is located on one side of the housing 5, and the three keys 53 are respectively located on one side of the switch button 52.

In this embodiment, the switch button 52 is provided on the housing 5 for controlling the power on/off of the entire device, and the three buttons 53 respectively control the previous page, the next page and the automatic page turning.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims (3)

1. An electromagnetic braille display is characterized in that,

the display device comprises a mounting seat, a plurality of push-pull electromagnets, a large plane, a plurality of display mechanisms and a shell, wherein the push-pull electromagnets are fixedly connected with the mounting seat respectively and are positioned on one side of the mounting seat respectively, the large plane is fixedly connected with the push-pull electromagnets respectively, the push-pull electromagnets penetrate through the large plane respectively, the large plane is provided with a plurality of holes, the display mechanisms comprise mounting boxes, a plurality of adsorption electromagnets, a plurality of push rods, a plurality of braille points, a plurality of first springs and a plurality of armatures, the mounting boxes are fixedly connected with the mounting seat and are positioned on one side of the mounting seat, the adsorption electromagnets are fixedly connected with the mounting boxes respectively and are positioned in the mounting boxes respectively, the push rods are slidably connected with the large plane respectively and are positioned in the holes respectively, it is a plurality of the braille point respectively with a plurality of push rod threaded connection, and be located a plurality of respectively push rod one side, it is a plurality of first spring respectively with a plurality of push rod fixed connection, and respectively with big plane fixed connection, and be located a plurality of respectively the push rod side, it is a plurality of armature respectively with a plurality of push rod fixed connection, and be located a plurality of respectively the push rod is with a plurality of between the absorption formula electro-magnet, the shell with the connection can be dismantled to the mount pad, and be located mount pad one side, the shell has a plurality of display holes.

2. The electromagnetic braille display of claim 1,

the push-pull electromagnet comprises a push-pull electromagnet body, a guide rod and a second spring, wherein the push-pull electromagnet body is fixedly connected with the mounting seat and is positioned on one side of the mounting seat, the guide rod is slidably connected with the push-pull electromagnet body and is fixedly connected with the large plane and penetrates through the large plane, and the second spring is fixedly connected with the large plane and is fixedly connected with the push-pull electromagnet body and is positioned on the side edge of the guide rod.

3. The electromagnetic braille display of claim 1,

the shell is provided with a switch button and three keys, the switch button is positioned on one side of the shell, and the three keys are respectively positioned on one side of the switch button.

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