CN217543877U

CN217543877U - Scanning pen

Info

Publication number: CN217543877U
Application number: CN202221461859.9U
Authority: CN
Inventors: 蒋志华; 吴和盛; 刘飞涛; 于桂洋
Original assignee: iFlytek Co Ltd
Current assignee: iFlytek Co Ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-10-04
Anticipated expiration: 2032-06-10

Abstract

The utility model discloses a scanning pen, which comprises a shell and a main circuit board arranged in the shell, and further comprises a pressing foot and a flexible circuit board, wherein the pressing foot is fixedly arranged at the end part of the shell, the flexible circuit board is connected with the pressing foot, and a piezoresistive element is arranged on the flexible circuit board and is used for detecting the deformation of the pressed pressing foot; the flexible circuit board is electrically connected with the main circuit board so as to output a signal corresponding to the deformation amount to the main circuit board, and the main circuit board is used for controlling the on-off of the scanning circuit of the main circuit board according to the received signal. This wand passes through configuration optimization, has improved the precision of getting words of wand, and sensitivity is high, uses to experience betterly.

Description

Scanning pen

Technical Field

The utility model relates to an electronic equipment technical field especially relates to a scanning pen.

Background

The scanning pen obtains information such as characters or pictures on the scanned object through scanning, and processes the information. For example, the translation pen is used for translating the character information after scanning and acquiring the character information.

Usually, the tip of wand housing is equipped with mobilizable movable foot, and this movable foot can stretch out and draw back relative to the housing, and under the normality, the movable foot stretches out outside the housing, and during operation holds the wand and presses the slip on by the scanning piece such as paper, and the movable foot with by the scanning piece butt, can be to the casing indentation under the pressing force effect to trigger the switch of installing the circuit board in the casing, thereby start the scanning function.

The scanning pen has the following problems in use: the movable foot can stretch and retract relative to the shell, and the movable foot can retract inwards relative to the shell during working, so that the reading precision can be influenced; due to the telescopic arrangement of the movable foot, a gap between the movable foot and the shell is large, and the dustproof and waterproof effects are poor; in addition, the structure of the movable foot extending out of the housing also affects the appearance of the product.

In view of this, how to improve the existing scan pen to improve the reading accuracy is a technical problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wand, through configuration optimization, improved the precision of getting words of wand, and sensitivity is high, and use experience better.

In order to solve the technical problem, the utility model provides a scanning pen, including the casing and locating the main circuit board in the casing, still include and press foot and flexible circuit board, press the foot and set firmly in the tip of casing, the flexible circuit board with press the foot and be connected, be provided with the pressure drag component on the flexible circuit board, the pressure drag component is used for detecting the deflection of pressing the foot after being pressed; the flexible circuit board is electrically connected with the main circuit board so as to output a signal corresponding to the deformation amount to the main circuit board, and the main circuit board is used for controlling the on-off of the scanning circuit of the main circuit board according to the received signal.

The utility model provides a scanning pen, when using, hold the scanning pen and press the slip on the scanned piece, press presser foot and scanned piece contact, under the effect of pressing force, the presser foot receives the backpressure of scanned piece and takes place deformation, its deflection can be detected by the pressure drag component of flexible circuit board, the signal output that the flexible circuit board will correspond to the presser foot deflection is to main circuit board, main circuit board can be according to the break-make of received signal control scanning circuit, start the scanning function when switching on scanning circuit; the structural design of the scanning piece controls the on-off of a scanning circuit by sensing the deformation generated after the pressing foot is pressed through the piezoresistive element, the deformation is sensed through the piezoresistive element, the sensitivity is high, the starting of the scanning function can be realized only by small force, the user experience is good, meanwhile, the pressing foot and the shell can be relatively fixed, the starting of the scanning work can be realized without moving the pressing foot relative to the shell, in the scanning and reading process, the pressing foot can not move relative to the shell, the reading position is more accurate, and the reading precision is high; in addition, because press presser foot and casing relatively fixed, do not have movable gap between the two, do benefit to waterproof dustproof, press the movable part that the foot does not stretch out the casing, be favorable to with the overall modeling design of casing, can promote the exquisite degree of wand outward appearance.

As mentioned above, the pressing foot includes two opposite support legs, at least one of the support legs is connected to the flexible circuit board, and the flexible circuit board is connected to the support leg surface.

The scanning pen as described above, the supporting leg includes a supporting leg body, the side wall of the supporting leg body has a recessed portion, the flexible circuit board is attached to and fixed to the surface of the side wall, and the connection position of the flexible circuit board and the side wall is close to the recessed portion.

In the stylus pen, two sides of the recess portion have a first wall portion and a second wall portion, and the flexible circuit board is attached and fixed to the first wall portion and the second wall portion.

The stylus pen further includes a first transition piece fixed on the first wall and a second transition piece fixed on the second wall, and the flexible circuit board is attached to and fixed to the first transition piece and the second transition piece.

The wand as described above, wherein a first position-limiting structure is provided between the first wall portion and the first transition piece to limit the relative positions of the first patch transition piece and the leg body; a second limiting structure is arranged between the second wall part and the second transition piece so as to limit the relative position of the second transition piece and the supporting foot body.

The scanning pen as described above, the first limiting structure includes a first convex portion and a first concave portion, the first convex portion is capable of being inserted into the first concave portion, one of the first convex portion and the first concave portion is disposed on the first wall portion, and the other is disposed on the first transition piece; the second limiting structure comprises a second convex part and a second concave part, the second convex part can be inserted into the second concave part, one of the second convex part and the second concave part is arranged on the second wall part, and the other one of the second convex part and the second concave part is arranged on the second transition piece.

According to the scanning pen, the first transition piece and the second transition piece are steel sheets, and the steel sheets and the support leg body are integrally formed in an injection molding mode.

The scanning pen, the support leg body is made of self-lubricating wear-resistant material.

In the scanning pen, the flexible circuit board and the support leg are fixed by gluing.

In the above stylus pen, the connection surface of the flexible circuit board and the support leg is parallel to the longitudinal direction of the stylus pen.

Drawings

Fig. 1 is a front view of a scanning pen according to an embodiment of the present invention;

FIG. 2 is a rear view of the wand of FIG. 1;

FIG. 3 is a side view of the wand of FIG. 1;

FIG. 4 is a schematic view of a portion of the exemplary embodiment of a scanning pen with the housing removed;

FIG. 5 is a schematic view of the presser foot assembly of FIG. 4;

FIG. 6 is an exploded view of the presser foot assembly shown in FIG. 5;

FIG. 7 is an exploded view of a portion of a stylus in accordance with an embodiment;

fig. 8 is an exploded view of the wand with the front cover removed in another embodiment.

Description of reference numerals:

a shell 10, a front shell 11, a rear shell 12, a main circuit board 20;

the pressing foot 30, the leg 31, the leg body 311, the recessed portion 3111, the first wall portion 3112, the second wall portion 3113, the first transition piece 312, the second transition piece 313, the first convex portion 314, the first concave portion 315, the second convex portion 316, the second concave portion 317, the connecting portion 32, the through hole 321;

a flexible circuit board 40, a piezoresistive element 41, a double-sided adhesive tape 50;

a window lens 60.

Detailed Description

In order to make the technical field better understand the solution of the present invention, the following detailed description is given with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 3, fig. 1 is a front view of a scanning pen according to an embodiment of the present invention; FIG. 2 is a rear view of the wand of FIG. 1; fig. 3 is a side view of the wand of fig. 1.

In this embodiment, the wand comprises a housing 10 and a presser foot 30, wherein, in order to facilitate assembly of related parts and the like, the housing 10 comprises a front case 11 and a rear case 12 which are detachably connected; the pressing foot 30 is fixed to the housing 10 and is located at an end of the housing 10. When the scanning pen is used, the pressing foot 30 is located towards a scanned object, and a user can hold the scanning pen to enable the pressing foot 30 to slide on the scanned object so as to scan information such as characters or pictures on the scanned object. The scanned piece can be a carrier which can display information contents such as characters or pictures and the like, such as books, newspapers, outer product packages or electronic product display screens.

The scanning pen is further provided with related function keys or a display screen, and the like, and the arrangement and layout of the related structures, and the like, can be realized by those skilled in the art based on the prior art, and are not described in detail herein. It is to be understood that the outer shape structure of the wand, etc. is not limited to those shown in fig. 1 to 3 according to actual needs, etc.

The following is a detailed description of the related structure of the core invention for starting the scanning function of the scanning pen.

Referring to fig. 4 to 7, fig. 4 is a partial schematic structural view of the scan pen with the shell removed in an embodiment; FIG. 5 is a schematic view of the presser foot assembly of FIG. 4; FIG. 6 is an exploded view of the presser foot assembly shown in FIG. 5; FIG. 7 is an exploded view of a portion of a scan pen according to an embodiment. In terms of the viewing angle relationship, it can be understood that fig. 7 is the rear view of fig. 4 to 6.

In this embodiment, the scanning pen further includes a main circuit board 20 and a flexible circuit board 40 disposed inside the casing 10, wherein the flexible circuit board 40 is connected to the pressing pin 30, a piezoresistive element 41 is disposed on the flexible circuit board 40, the piezoresistive element 41 is used for detecting a deformation amount of the pressing pin 30 after being pressed, the flexible circuit board 40 is further electrically connected to the main circuit board 20 so as to output a signal corresponding to the deformation amount to the main circuit board 20, and the main circuit board 20 is used for controlling on/off of a scanning circuit thereof according to the received signal. Here, the scan circuit is a circuit for starting a camera of the scan pen to perform a scan operation, and when the scan circuit is turned on, the camera is started to perform a scan operation, and when the scan circuit is turned off, the camera is turned off to stop the scan operation. A scanning circuit may be understood as a control circuit of the camera by means of which the camera is switched on or off.

The piezoresistive element 41 is made of a material capable of sensing pressure change, and the deformation of the pressing foot 30 after being pressed can be sensed by combining the material and the structural arrangement of the pressing foot 30.

After the arrangement, when the scanning pen is used, the pressing foot 30 of the scanning pen is pressed against a scanned object to slide, after the end part of the pressing foot 30 far away from the pen body is subjected to the back pressure F of the scanned object, micro deformation is generated, the piezoresistive element 41 of the flexible circuit board 40 can recognize the micro deformation, a signal corresponding to the deformation is output to the main circuit board 20 through the flexible circuit board 40, and after a set threshold value is reached, the main circuit board 20 can conduct the scanning circuit to start the camera to perform scanning operation.

In practical applications, the set threshold of the conducting scanning circuit can be set according to the deformation of the presser foot 30 under different pressures and other requirements.

According to the working process, the scanning pen is structurally arranged, the on-off of a scanning circuit is controlled by sensing the deformation generated after the pressing foot 30 is pressed through the piezoresistive element 41, the deformation is sensed through the piezoresistive element 41, the sensitivity is high, the starting of the scanning function can be realized only by small force, the user experience is good, meanwhile, the pressing foot 30 and the shell 10 can be relatively fixed, the starting of the scanning work can be realized without moving the pressing foot 30 relative to the shell 10, the pressing foot 30 can not move relative to the shell 10 in the scanning and reading process, the reading position is more accurate, and the reading precision is high; in addition, because the pressing foot 30 and the shell 10 are relatively fixed, no movable gap exists between the pressing foot 30 and the shell 10, which is beneficial to water and dust prevention, and the pressing foot 30 does not have a movable part extending out of the shell 10, which is beneficial to the integral modeling design of the shell 10, and can improve the appearance elegance of the scanning pen.

As shown in fig. 4 to 7, in the present embodiment, the pressing foot 30 includes two legs 31 disposed oppositely, one leg 31 is connected with the flexible circuit board 40, in the illustrated orientation, the leg 31 on the right side is connected with the flexible circuit board 40, and the other end of the flexible circuit board 40 extends away from the pressing foot 30 so as to be electrically connected with the main circuit board 20.

When the scanning pen is used, particularly, the supporting leg 31 of the pressing leg 30 is in contact with a scanned object, the supporting leg 31 is an object subjected to pressure during use, as shown in fig. 5, the pressure F directly acts on the end portion, far away from the scanning pen body, of the supporting leg 31, the flexible circuit board 40 is connected with the supporting leg 31, and the deformation of the supporting leg 31 is favorably sensed.

Specifically, the flexible circuit board 40 is connected to the support legs 31 at the positions where the piezoresistive elements 41 are disposed, so as to ensure the sensing sensitivity. The term "surface-connected" as used herein means that the connecting portions of two members are in surface contact with each other, or the connecting portions of the two members are in a surface structure. Specifically, the connection surface between the flexible circuit board 40 and the supporting leg 31 is substantially parallel to the length direction of the scan pen, which can also be understood as the connection surface is parallel to the force direction of the supporting leg 31, so that the deformation of the supporting leg 31 can be sensed more easily.

In this scheme, the supporting leg 31 includes a supporting leg body 311, a side wall of the supporting leg body 311 has a recessed portion 3111, the flexible circuit board 40 is specifically attached and fixed to a surface of the side wall of the supporting leg body 311, and a connection position of the flexible circuit board 40 and the side wall of the supporting leg body 311 is close to the recessed portion 3111; the concave portion 3111 is provided to improve the deformation amount of the leg body 311 after being pressed, to facilitate the identification by the piezoresistive element 41, and to improve the sensitivity of the scanner pen in use.

More specifically, the leg body 311 has a first wall portion 3112 and a second wall portion 3113 on both sides of the recess 3111, the portion of the flexible circuit board 40 where the piezoresistive element 41 is disposed and the first wall portion 3112 and the second wall portion 3113 are both attached and fixed, in the illustrated orientation, the first wall portion 3112 is close to the pressed portion of the leg body 311, i.e., close to the end of the leg body 311 that contacts the scanned object, the second wall portion 3113 is relatively far from the pressed portion of the leg body 311, and the recess 3111 is further disposed between the two portions, after the pressed portion is deformed, the deformation amounts of the first wall portion 3112 and the second wall portion 3113 are different and have a large difference, the flexible circuit board 40 is attached to the first wall portion 3112 and the second wall portion 3113, and the deformation amount of the leg body 311 can be identified by the deformation difference between the two portions, so as to improve the sensing sensitivity.

In actual installation, the flexible circuit board 40 may be attached and fixed to the support leg 31 by gluing, and the double-sided tape 50 is illustrated in the figure, that is, the flexible circuit board 40 is fixed to the support leg 31 by the double-sided tape 50.

Specifically, the supporting leg 31 further includes a first transition piece 312 fixedly disposed on the first wall portion 3112 and a second transition piece 313 fixedly disposed on the second wall portion 3113, the flexible circuit board 40 is specifically attached to and fixed to the first transition piece 312 and the second transition piece 313, and the arrangement of the first transition piece 312 and the second transition piece 313 is beneficial to enhancing the bonding firmness of the double-sided tape 50, so as to ensure that the flexible circuit board 40 can recognize the deformation of the supporting leg 31.

In order to prevent the first transition piece 312 and the second transition piece 313 from shifting relative to the leg body 311, a first limiting structure and a second limiting structure are further provided, which are respectively used for limiting the relative positions of the first transition piece 312 and the leg body 311 and the relative positions of the second transition piece 313 and the leg body 311.

Specifically, the first limiting structure includes a first protrusion 314 and a first recess 315, which are capable of being inserted and matched, in the figure, the first protrusion 314 is disposed on the first wall portion 3112, the first recess 315 is disposed on the first transition piece 312, and is embodied in the form of a through hole, and the first protrusion 314 is inserted into the first recess 315 to define the relative positions of the first transition piece 312 and the leg body 311.

The second limiting structure is similar in structure and comprises a second protrusion 316 and a second recess 317, which are capable of being inserted and matched, in the figure, the second protrusion 316 is arranged on the second wall portion 3113, the second recess 317 is arranged on the second transition piece 313 and is also in the form of a through hole, and the second protrusion 316 is inserted into the second recess 317 to limit the relative positions of the second transition piece 313 and the leg body 311.

In the illustrated scheme, two sets of the first convex portion 314 and the first concave portion 315, which are matched with each other, and two sets of the second convex portion 316 and the second concave portion 317, which are matched with each other, are provided.

In other embodiments, the concave portion of the limiting structure may be disposed on the wall portion of the leg body 311, the convex portion may be disposed on the corresponding transition piece, and the concave portion may also be a groove structure or a blind hole structure matching the convex portion, which is not limited to the through hole form in the drawings.

It should be noted that in other embodiments, if the requirement of sensing and triggering the scanning function can be satisfied, the surface connection portion of the flexible circuit board 40 and the supporting leg 31 may also be only one, for example, the flexible circuit board 40 may only be surface-matched with the first wall portion 3112 of the supporting leg 31, or only be surface-matched with the second wall portion 3113 of the supporting leg 31.

In this scheme, stabilizer blade body 311 adopts self-lubricating wear-resistant material to make, engineering plastics etc. for example, slide because of stabilizer blade body 311 with by scanning a direct contact, so be provided with and do benefit to the life who improves stabilizer blade body 311, also can promote user experience.

For convenience, in addition to the first transition piece 312 and the second transition piece 313, the pressing foot 30 is an integral structure and is made of a self-lubricating wear-resistant material, and the first transition piece 312 and the second transition piece 313 may be sheet-shaped structures, specifically, steel sheets and the like may be adopted and are integrally injection-molded with the pressing foot 30. Of course, in other embodiments, the pressing legs 30 may be provided separately and then connected.

The pressing foot 30 further comprises a connecting part 32 for connecting the two support legs 31, the connecting part 32 is provided with a through hole 321 matched with the position of the camera, the two support legs 31 of the pressing foot 30 define a scanning area, and in actual use, the camera scans the defined area between the two support legs 31.

In this scheme, still install window lens 60 on pressing foot 30, it corresponds with the position of camera, can play dustproof effect, protects the camera. Obviously, the window lens 60 is located corresponding to the through hole 321 of the connecting portion 32, and a mounting platform can be disposed between the two legs 31 to support the window lens 60.

In this embodiment, a signal amplification module may be disposed on the main circuit board 20 to amplify the received signal from the flexible circuit board 40.

Referring to fig. 8, fig. 8 is an exploded view of the scan pen with the front shell hidden in another embodiment.

Compared with the embodiments shown in fig. 4 to fig. 7, the basic structure of the scanning pen is the same, and the difference between the two embodiments is that: in the embodiment shown in fig. 8, the two legs 31 of the pressing foot 30 are connected to the flexible circuit board 40, and the specific connection structure between the legs 31 and the flexible circuit board 40 can be understood with reference to the foregoing description, which is not repeated herein.

The arrangement of the embodiment has higher sensitivity of the scanning pen when in use, and the scanning can be started as long as the deformation of one supporting leg 31 meets the set requirement.

The scanning pen provided by the utility model is introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A scanning pen comprises a shell and a main circuit board arranged in the shell, and is characterized by further comprising a pressing pin and a flexible circuit board, wherein the pressing pin is fixedly arranged at the end of the shell, the flexible circuit board is connected with the pressing pin, and a piezoresistive element is arranged on the flexible circuit board and used for detecting the deformation of the pressing pin after being pressed; the flexible circuit board is electrically connected with the main circuit board so as to output a signal corresponding to the deformation amount to the main circuit board, and the main circuit board is used for controlling the on-off of the scanning circuit of the main circuit board according to the received signal.

2. The wand of claim 1, wherein the pressing foot comprises two oppositely disposed legs, wherein at least one of the legs is connected to the flexible circuit board, and the flexible circuit board is connected to the leg surface.

3. The stylus according to claim 2, wherein the leg comprises a leg body, a side wall of the leg body has a recess, the flexible circuit board is attached to a surface of the side wall, and a connection position of the flexible circuit board and the side wall is close to the recess.

4. The stylus of claim 3, wherein the recess has a first wall portion and a second wall portion on both sides thereof, and the flexible circuit board is attached to and fixed to both the first wall portion and the second wall portion.

5. The wand of claim 4, wherein the support leg further comprises a first transition member secured to the first wall portion and a second transition member secured to the second wall portion, and wherein the flexible circuit board is secured to the first transition member and the second transition member.

6. The wand of claim 5, wherein the first wall portion and the first transition member have a first stop structure therebetween to limit the relative positions of the first transition member and the leg body; a second limiting structure is arranged between the second wall part and the second transition piece so as to limit the relative position of the second transition piece and the supporting foot body.

7. The wand of claim 6, wherein the first limiting structure comprises a first convex portion and a first concave portion, the first convex portion being insertable into the first concave portion, one of the first convex portion and the first concave portion being provided on the first wall portion, and the other of the first convex portion and the first concave portion being provided on the first transition member; the second limiting structure comprises a second convex part and a second concave part, the second convex part can be inserted into the second concave part, one of the second convex part and the second concave part is arranged on the second wall part, and the other one of the second convex part and the second concave part is arranged on the second transition piece.

8. The wand of claim 5, wherein the first transition piece and the second transition piece are both steel sheets that are integrally injection molded with the leg body.

9. A wand according to any one of claims 3 to 8, wherein the foot body is made of a self-lubricating wear-resistant material.

10. The wand of any one of claims 2 to 8, wherein the flexible circuit board is fixed to the leg by gluing.

11. A wand according to any one of claims 2 to 8, wherein the connecting face of the flexible circuit board and the leg is parallel to the lengthwise direction of the wand.