CN216901999U - Blind person pointing display device with multiple rows - Google Patents

Abstract

The application discloses a plurality of rows of blind person pointing and displaying devices, which comprise a base and a top plate, wherein a plurality of groups of array units are arranged above the base in a rectangular array, and each group of array units comprises more than two touch points; a top plate is arranged above the array unit, and a plurality of through holes for the touch points to pass through or for containing the touch points are arranged on the top plate; the locking piece in the through hole can lock a touch point in the through hole, more than one group of telescopic assemblies used for driving the top plate to lift are arranged on the base, and the connection part of the touch point and the base is connected through an elastic component; the pressing force of the locking piece on the touch point is provided by the braking structure; this application can make the blind person single just can acquire more information, and work efficiency very promotes, makes things convenient for the blind person customer to use simultaneously more.

Description

Blind person pointing display device with multiple rows

Technical Field

The utility model relates to the technical field of blind person auxiliary tools, in particular to a plurality of rows of blind person pointing and displaying devices.

Background

The blind people have Braille books which are inconvenient to read by touch in the aspect of reading, and compared with common books, the Braille books have the advantages of high cost, large volume, difficulty in storage and few publications, so that text data need to be converted into the Braille readers capable of being touched.

In the prior art, a braille reader directly converts text data into braille which can be sensed by touching, when specified information needs to be displayed, corresponding touch points are lifted and lowered through piezoelectric ceramic pieces, a blind person can obtain required information by touching touch point arrays with different heights, and the touch points need to be lifted vertically, so that a plurality of groups of piezoelectric ceramic pieces need to be transversely placed at the bottom of a containing cavity; however, due to the fact that the piezoelectric ceramic pieces are transversely arranged, when the piezoelectric ceramic pieces bend and stretch and touch points are lifted, the space of the containing cavity for containing the piezoelectric ceramic pieces is large enough, finally, due to the limitation of space size, only one row of piezoelectric ceramic pieces can be arranged on the braille reader (specifically, the containing cavity arranged on the braille reader), and meanwhile, only one row of touch points for the blind to touch are arranged, information which can be received by the blind at a single time is limited, if more information needs to be obtained, the piezoelectric ceramic pieces need to be controlled to perform repeated and repeated complex operation for many times, meanwhile, when the piezoelectric ceramic pieces are frequently used, the service life of the piezoelectric ceramic pieces is greatly shortened, and cost is indirectly increased.

Disclosure of Invention

In view of the above, the present invention is directed to provide a plurality of rows of blind-person pointing and displaying devices, which convert the display braille of the conventional pointing and displaying device by "controlling the lifting of the touch point" into the lifting top plate of the present application, and lock the touch point by the perforation on the top plate "to display the braille, so that the blind can obtain more information at a single time, the working efficiency is greatly improved, and the blind can use the device more conveniently by the blind client.

The utility model discloses a plurality of rows of blind person pointing and displaying devices, which comprise a base and a top plate, wherein a plurality of groups of array units are arranged above the base in a rectangular array, and each group of array units comprises more than two touch points; a top plate is arranged above the array unit, and a plurality of through holes for the touch points to pass through or for containing the touch points are arranged on the top plate; the locking piece in the through hole can lock a touch point in the through hole, more than one group of telescopic assemblies for driving the top plate to lift are arranged on the base, and the joint of the touch point and the base is connected through an elastic component; the pressing force of the locking piece against the touch point is provided by the detent structure.

Furthermore, the telescopic assembly is an electric telescopic cylinder and adopts two groups of electric telescopic cylinders.

Furthermore, two locking pieces are respectively arranged on two sides of each touch point, and the two locking pieces are arranged on the wall surface of the through hole.

Furthermore, the braking structure comprises a piezoelectric ceramic piece, the piezoelectric ceramic piece is vertically placed on the wall side of the through hole, the bent and extended end of the piezoelectric ceramic piece is fixed with the locking piece, and the locking piece is connected to the wall surface of the through hole in a switching mode; when the piezoelectric ceramic piece bends and stretches, the locking piece is driven to turn over and lock the touch point.

Furthermore, a plurality of notches matched with the locking pieces are arranged on the side wall of the touch point.

Furthermore, the braking structure comprises electromagnets, a plurality of groups of electromagnets are arranged on the wall surface of the touch point, and the locking piece is made of an iron material; the electromagnet is electrified, and the locking piece switched on the wall surface of the through hole and the corresponding electromagnet are adsorbed and locked.

Furthermore, a torsion spring is arranged at the joint of the locking piece and the wall surface of the through hole.

The utility model has the following beneficial effects:

first, this application shows the braille with traditional point display ware through "the lift of control touch point" and converts "lift roof into this application, and lock the touch point through the perforation on the roof" show the braille, because adopt the touch point to go up and down among the conventional art and easily lead to the piezoceramics piece that is used for going up and down the touch point to need transversely placing, and then cause the stretching of piezoceramics piece to take a large amount of spatial position, and this application sets up braking structure in the perforation side, the roof moves down the in-process, braking structure realizes the locking through closed perforation to the touch point, occupation space is very reduced when braking structure is stretched, show the plural line demonstration that the braille changes this application by original single file, make the blind person single just can acquire more information, work efficiency is for promoting greatly, make things convenient for the blind person customer to use more simultaneously.

Second, one of them embodiment in this application, through with the vertical placing of piezoceramics piece, can realize the control to the hole switching in narrow and small space, avoid adopting traditional technique can cause occupation space's problem and solved occupation space and leaded to the drawback that array element quantity reduces.

Drawings

Fig. 1 is a schematic structural diagram of a conventional dot display.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a schematic structural diagram of a touch point before being locked.

Fig. 4 is a comparison view showing locking before and during movement of the top plate.

Fig. 5 is an assembly structure view of the double locking member.

Fig. 6 is a schematic structural view of a brake structure using a piezoelectric ceramic plate.

Fig. 7 is a schematic diagram of a braking structure using an electromagnet.

In the figure, a touch point 1, a piezoelectric ceramic piece 2, a containing cavity 3, a base 4, a top plate 5, a perforation 6, an electric telescopic cylinder 7, a spring 8, a locking piece 9, a notch 10 and an electromagnet 11.

Detailed Description

For clear understanding of the technical solution of the present application, a plurality of rows of blind person pointing devices provided in the present application will be described in detail below with reference to specific embodiments and accompanying drawings.

The terminology used in the following examples is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, such as "one or more", unless the context clearly indicates otherwise. It should also be understood that in the following embodiments of the present application, "at least one", "one or more" means one, two or more.

Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.

Examples of conventional techniques

Fig. 1 shows a braille reader (dot display) which is already in the prior art, the braille reader directly converts text data into braille which can be sensed by touch, when specified information needs to be displayed, a corresponding touch point 1 is lifted and lowered through a piezoelectric ceramic piece 2, a blind person can obtain required information by touching an array of touch points 1 with different heights, and the touch points 1 need to be lifted vertically, so that a plurality of groups of piezoelectric ceramic pieces 2 need to be horizontally placed at the bottom of a containing cavity 3; however, due to the fact that the piezoelectric ceramic pieces 2 are transversely arranged, when the piezoelectric ceramic pieces 2 bend and stretch and the touch points 1 are lifted, the space of the accommodating cavities 3 for accommodating the piezoelectric ceramic pieces 2 must be large enough, finally, due to the limitation of the space size, only one row of piezoelectric ceramic pieces 2 can be arranged on the braille reader (specifically, the accommodating cavities 3 arranged on the braille reader), and meanwhile, the touch points 1 for the blind to touch can only be arranged on one row, so that information which can be received by the blind once is limited, if more information needs to be acquired, the piezoelectric ceramic pieces 2 need to be controlled to be repeatedly operated repeatedly for multiple times, meanwhile, when the piezoelectric ceramic pieces 2 are frequently used, the service life of the piezoelectric ceramic pieces 2 is greatly shortened, and cost is indirectly increased.

Example 1

Aiming at the condition that the touch points 1 can only be provided with one row of touch points 1 and cannot be provided with multiple rows (multiple rows), a specific embodiment of the multiple row blind point display device in the application is illustrated by fig. 2 and 3, so that the blind point display device (device) in the application can synchronously display the multiple rows, and comprises a base 4 and a top plate 5, wherein multiple groups of array units are arranged above the base 4 in a rectangular array, one group of array units is equivalent to one group of single-row touch points 1, and each group of array units comprises multiple touch points 1; different information sources are formed by changing the height of each touch point 1 in each group of array units so as to be convenient for blind clients to obtain; in this embodiment, in order to effectively increase the number of array units, compared with the case that the piezoelectric ceramic sheets 2 (mainly playing a role of lifting the touch point 1 in embodiment 1) are transversely placed, so that a problem of occupying space is mainly present, as can be seen with reference to fig. 2, a top plate 5 is disposed above a plurality of groups of array units, and a plurality of through holes 6 for the touch point 1 to pass through or for accommodating the touch point 1 are disposed on the top plate 5, after the touch point 1 passes through the through holes 6, the through holes 6 can be moved to different positions of the touch point 1, and the through holes 6 can be partially closed by a locking member 9, and the touch point 1 is locked in the through holes 6; based on the above, two sets of electric telescopic cylinders 7 for driving the top plate 5 to lift are installed on the base 4 (the electric telescopic cylinders 7 are existing products available on the market, and are not described herein again, and this time, not only the electric telescopic cylinders 7 are limited to be used, but also telescopic components such as electric cylinders and the like can be used); on the other hand, considering that once more than one touch point 1 is locked with the corresponding through hole 6, if the through hole 6 on the top plate 5 is further lowered so that the through hole 6 is locked at different positions on the touch point 1, the connection between the touch point 1 and the base 4 is connected through an elastic member (in this application, the elastic member is directly a spring 8, but the elastic member is not limited to the spring 8, and may be made of rubber or the like), so that after the through hole 6 on the top plate 5 locks one of the touch points 1, the continuous lifting of the top plate 5 is not affected. The pressing force of the locking member 9 against the touch point 1 is provided by a detent structure by which the locking member 9 is driven away from the touch point 1 when there is no need to lock the touch point 1 by the locking member 9.

Based on the above technical solution, referring to fig. 3 (fig. 3 is a schematic structural diagram before the touch point 1 is locked by the locking member 9) and fig. 4, fig. 4 illustrates a schematic structural diagram used for the operation principle of one array unit of a plurality of array units (it should be noted that the structures and the connection relationships shown in fig. 4 and fig. 4 are only for explaining the movement states of the top plate 5, the locking member 9 and the touch point 1, and not all the structures, the connection relationships and all the movement states are shown): in use, firstly, when the top plate 5 is at the initial position, the touch point 1 at the middle part as shown in fig. 4 is locked for the first time by the locking piece 9; then, the top plate 5 is moved downwards by the electric telescopic cylinder 7, the middle touch point 1 compresses the spring 8 until the top plate 5 reaches the second position of the part B in fig. 4 from the initial position of the part A in fig. 4, and the right touch point 1 is locked for the second time by the locking piece 9; finally, the top plate 5 continues to move downwards, the touch points 1 on the middle part and the right side compress the corresponding springs 8 until the top plate 5 reaches the third position of the part C in fig. 4 from the second position of the part B in fig. 4, at this time, the local touch points 1 in the array unit already present different height states, and the blind client can touch the touch points 1 with different heights to obtain the required messages (it is noted that the touch points 1 with different heights shown in the present application do not represent the actual specific braille meanings, so taking the actual as the standard, the touch points 1 with different heights shown in the present application only illustrate the structure, connection relationship and motion state thereof). This application converts traditional point display into "lift roof 5 of this application through" the lift of control touch point 1 "demonstration braille, and through perforation 6 on roof 5 with touch point 1 lock" demonstration braille, because adopt touch point 1 to go up and down among the conventional art and easily lead to being used for going up and down the piezoceramics piece 2 of touch point 1 and need transversely place, and then cause the stretching of piezoceramics piece 2 to take a large amount of spatial positions, and this application sets up braking structure in perforation 6 sides, roof 5 moves down the in-process, braking structure realizes locking to touch point 1 through closed perforation 6, occupation space is very reduced when braking structure stretches, the plural line demonstration of this application is changed by original single file demonstration braille, make the blind person single just can acquire more information, work efficiency is very promoted, make things convenient for the blind person customer to use simultaneously more.

Example 2

As a further improvement of embodiment 1, as shown in fig. 5, two locking pieces 9 are respectively disposed on two sides of each touch point 1, and the two locking pieces 9 are both disposed on the wall surface of the through hole 6, and the arrangement of the two locking pieces 9 effectively ensures the firmness of locking the touch point 1.

EXAMPLE 3

Fig. 6 shows a specific embodiment of the braking structure, where the braking structure includes a piezoelectric ceramic plate 2, in this embodiment, the piezoelectric ceramic plate 2 (the piezoelectric ceramic plate 2 is a common prior art in the market, and is not described here again) is vertically placed on a wall side of the through hole 6, a bending end of the piezoelectric ceramic plate 2 is fixed to a locking member 9, and the locking member 9 is connected to a wall surface of the through hole 6 in a transferring manner; when the piezoelectric ceramic piece 2 bends and stretches, the locking piece 9 is driven to turn over and lock the touch point 1; on the other hand, in order to further enhance the locking of the locking member 9 to the touch point 1, a plurality of notches 10 adapted to the locking member 9 are provided on the side wall of the touch point 1. Through with piezoceramics piece 2 vertical placing, can realize the control to the hole switching in narrow and small space, avoid adopting traditional technology can cause occupation space's problem and solved occupation space and leaded to the drawback that array element quantity reduces. Meanwhile, the defects that the service life of the piezoelectric ceramic piece 2 is shortened and the cost is increased in the frequent use process of the ceramic piece are avoided.

EXAMPLE 4

Fig. 7 shows another specific embodiment of the braking structure, the braking structure includes electromagnets 11, a plurality of groups of electromagnets 11 are disposed on the wall surface of the touch point 1, and the locking member 9 is made of ferrous material, after the top plate 5 moves to a designated position, the electromagnets 11 corresponding to the designated position are energized, and then the locking member 9 switched on the wall surface of the through hole 6 is adsorbed, so as to achieve locking; meanwhile, considering that when the locking member 9 does not need to lock the touch point 1, in order to avoid the locking member 9 from continuously affecting the descending of the touch point 1, a torsion spring is disposed at a connection portion of the locking member 9 and a wall surface of the through hole 6 (prior art, which is not described herein again, and not shown in the figure).

It should be noted that the electrical equipment related in this embodiment is electrically connected to the power generation device and the controller, which are common in the prior art in the market, and are not described herein again.

Claims (7)

1. A plurality of lines of blind person point shows device which characterized in that: the touch screen comprises a base (4) and a top plate (5), wherein a plurality of groups of array units are arranged above the base (4) in a rectangular array, and each group of array units comprises more than two touch points (1); a top plate (5) is arranged above the array unit, and a plurality of through holes (6) for the touch points (1) to pass through or for accommodating the touch points (1) are arranged on the top plate (5); a locking piece (9) in the through hole (6) can lock a touch point (1) in the through hole (6), more than one group of telescopic assemblies used for driving the top plate (5) to lift are installed on the base (4), and the connection part of the touch point (1) and the base (4) is connected through an elastic component; the pressing force of the locking piece (9) on the touch point (1) is provided by a braking structure.

2. A plurality of rows of blind pointing devices as claimed in claim 1, wherein: the telescopic component is an electric telescopic cylinder (7) and adopts two groups of electric telescopic cylinders (7).

3. The plurality of rows of blind pointing devices of claim 1, wherein: two locking pieces (9) are respectively arranged on two sides of each touch point (1), and the two locking pieces (9) are arranged on the wall surface of the through hole (6).

4. The plurality of rows of blind pointing devices of claim 1, wherein: the braking structure comprises a piezoelectric ceramic piece (2), the piezoelectric ceramic piece (2) is vertically placed on the wall side of the through hole (6), the bending end and the stretching end of the piezoelectric ceramic piece (2) are fixed with a locking piece (9), and the locking piece (9) is connected to the wall surface of the through hole (6) in a switching mode; when the piezoelectric ceramic piece (2) bends and stretches, the locking piece (9) is driven to turn over and lock the touch point (1).

5. The plurality of rows of blind pointing devices of claim 4, wherein: the side wall of the touch point (1) is provided with a plurality of notches (10) matched with the locking pieces (9).

6. The plurality of rows of blind pointing devices of claim 1, wherein: the braking structure comprises electromagnets (11), a plurality of groups of electromagnets (11) are arranged on the wall surface of the touch point (1), and the locking piece (9) is made of an iron material; the electromagnet (11) is electrified, and the locking piece (9) switched on the wall surface of the through hole (6) and the corresponding electromagnet (11) are adsorbed and locked.

7. The plurality of rows of blind pointing devices of claim 6, wherein: a torsion spring is arranged at the joint of the locking piece (9) and the wall surface of the through hole (6).

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