CN213186347U

CN213186347U - Writing lattice projection device

Info

Publication number: CN213186347U
Application number: CN202021829936.2U
Authority: CN
Inventors: 朱芮叶; 朱芷叶
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-05-11
Anticipated expiration: 2030-08-26

Abstract

The utility model provides a write check projection arrangement, include the body and install projection module on the body, the body is used for placing on the projection plane, projection module is used for the projection is write the check on the projection plane, reaches the effect of the different characters of convenient exercise.

Description

Writing lattice projection device

Technical Field

The utility model belongs to the technical field of the projection, more specifically say, relate to a write check projection arrangement.

Background

In the process of writing characters, the characters need to be written according to certain specifications so as to ensure the writing regularity of the characters and improve the reading comfort. In order to practice writing, people usually practice writing through the corresponding writing grids. When different characters need to be exercised, the paper with corresponding writing lattices needs to be searched for use, which is very troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a write check projection arrangement to solve the different characters of needs exercise that exist among the prior art, need look for the paper that has corresponding writing check and use, very troublesome technical problem.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a writing check projection arrangement, includes the body and installs projection module on the body, the body is used for placing on the projection plane, projection module is used for the projection writing check on the projection plane.

Furthermore, the writing lattices comprise at least two of a field lattice, a rice lattice, an English constant water body lattice, a four-line three lattice and a nine-square lattice.

Furthermore, the writing case projection device further comprises a visual inspection module, wherein the visual inspection module comprises a visual camera, a visual analysis unit and a result output unit, the visual camera is used for shooting the writing cases on the projection plane, the visual camera is electrically connected to the visual analysis unit and arranged on the body, the result output unit and the visual analysis unit are fixed on the body, the visual analysis unit is used for receiving the shot pictures of the visual camera and outputting the judgment result to the result output unit, and the result output unit is used for outputting the judgment result.

Furthermore, writing lattice projection arrangement still includes adjustment mechanism, adjustment mechanism includes installed part and drive module, the installed part is fixed on the body, drive module fixes on the installed part, the vision camera is fixed on drive module's activity is served.

Further, the installed part drive module with the vision camera sets up this is internal, be equipped with the observation hole on the body, be located this is internal the end of shooing of vision camera passes through the observation hole is shot and is located on the projection plane write the check.

Further, the result output unit comprises a display module, the display module is electrically connected to the visual analysis unit and fixed on the body, and a display surface of the display module faces the outer side of the body.

Furthermore, the writing case projection device further comprises a voice device, and the voice device is electrically connected to the visual inspection module and fixed on the body.

Furthermore, the writing case projection device further comprises a wireless communication device, and the wireless communication device is fixed on the body and electrically connected to the projection module.

Further, the wireless communication device is also electrically connected to the vision inspection module.

Further, the projection module comprises a projection processor, a projection memory and a projector, wherein the projection processor, the projection memory and the projector are fixed on the body, the projection memory is electrically connected to the projection processor, and the projection processor is electrically connected to the projector.

The utility model provides a pair of write check projection arrangement's beneficial effect lies in: compared with the prior art, the user directly places the body on the projection plane, so that the writing lattice projection device is placed on the projection plane, and the writing lattice projection device is convenient to place and use. The body of installing on projection module is direct to be write the check in the projection on the projection plane to the user places the paper on the projection plane, realizes writing the projection of check on the paper, and the user of being convenient for utilizes to write the check on the paper and writes. After the body is placed on the projection plane, the writing lattice projection device is started first, the projection module projects writing lattices on the projection plane, and then the user controls the projection module to project corresponding writing lattices according to characters to be trained as required.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a first schematic structural diagram of a writing lattice projection apparatus according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

fig. 3 is a schematic structural diagram of a writing lattice projection apparatus according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an english balance water body lattice projected by the writing lattice projection apparatus provided by the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1. a body; 11. an observation hole; 12. an observation window; 2. a projection module; 21. a projection processor; 22. a projection memory; 23. a projector; 3. a projection plane; 4. a vision inspection module; 41. a vision camera; 42. A visual analysis unit; 421. a vision processor; 422. a visual memory; 423. a speech processor; 43. A display module; 5. an adjustment mechanism; 51. a mounting member; 52. a drive module; 6. a flexible barrel; 7. a voice device; 8. a wireless communication device; 91. a first auxiliary writing straight line part; 911. a first line; 912. a second wire; 913. a third line; 914. a fourth line; 92. a second auxiliary writing straight line part; 9121. a first grid; 9122. A second grid; 9123. a third grid; 10. a voice input device.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to fig. 3, a writing lattice projection apparatus according to the present invention will now be described. The utility model provides a write check projection arrangement, includes body 1 and installs projection module 2 on body 1, and body 1 is used for placing on projection plane 3, and projection module 2 is used for writing the check in the projection on projection plane 3.

The utility model provides a pair of write check projection arrangement compares with prior art, and the user directly places body 1 on projection plane 3 to projection module 2 is placed on projection plane 3, should write check projection arrangement and place and convenient to use. The body 1 installed on the projection module 2 directly projects on the projection plane 3 to write the check, so that the user places paper on the projection plane 3, the projection of the check on the paper is realized, and the user can write by utilizing the writing check on the paper. After body 1 was placed on projection plane 3, opened writing check projection arrangement earlier, projection module 2 is the projection on projection plane 3 and is written the check, then the user is according to the characters of needs exercise, controls projection module 2 projection corresponding writing check.

Specifically, the projection plane 3 is set to be a desktop or stool plane.

Specifically, the main body 1 is a cylindrical or square cylindrical body.

Further, as the utility model provides a pair of write a concrete implementation mode of check projection arrangement, write in the check including field word check, rice check, english weighing apparatus water body check, three check of four-wire and nine palace check two kinds at least, conveniently carry out english and write and the chinese character is write.

Specifically, referring to fig. 4, the english balance water physique includes a plurality of first auxiliary writing straight line portions 91 and a plurality of second auxiliary writing straight line portions 92, the length direction of all the first auxiliary writing straight line portions 91 is parallel to the first preset direction, and all the first auxiliary writing straight line portions 91 are arranged at equal intervals along the second preset direction; the second preset direction is perpendicular to the first preset direction.

All the second auxiliary writing straight line parts 92 are arranged in parallel along the first preset direction, the included angle between each second auxiliary writing straight line part 92 and the first auxiliary writing straight line part 91 is a constant water body included angle range, and the distance between every two adjacent second auxiliary writing straight line parts 92 is a constant water body distance range.

Optimally, the height of the English letter is determined between the adjacent first auxiliary writing straight line parts 91; the adjacent second auxiliary writing straight line portion 92 is used to determine the gradient and width of the english alphabet.

Optimally, the included angle range of the water balancing body is set to be 75-85 degrees. The interval range of the water balancing bodies is set to be 2mm-6 mm.

Preferably, the width of the capital letters of english of the balance body is set to 5mm, i.e., the interval between the adjacent second auxiliary writing straight portions 92 is set to 5 mm. The width of the capital letter of english of the constant water body is set to 3mm, that is, the interval between the adjacent second auxiliary writing straight line portions 92 is set to 3 mm.

Preferably, the first auxiliary writing straight line parts 91 are provided in number of four, seven, ten … 4+3 n. Wherein n is a natural number. When the number of the first auxiliary writing straight line portions 91 is four, the four first auxiliary writing straight line portions 91 are sequentially arranged in the first preset direction as the first lattice 9121, the second lattice 9122, and the third lattice 9123, and the four first auxiliary writing straight line portions 91 are sequentially arranged as the first line 911, the second line 912, the third line 913, and the fourth line 914. When writing capital letters of the balance water in english, the capital letters occupy the first lattice 9121 and the second lattice 9122 and do not contact the first line 911. In writing the english words "a, c, e, m, n, o, r, s, u, v, w, x, and z" of the weighing water, "a, c, e, m, n, o, r, s, u, v, w, x, and z" occupy the second lattice 9122 and are in contact with the second line 912 and the third line 913. In writing the english words "b, d, h, k, and l" of the weighing water body, the upper tips of "b, d, h, k, and l" are in contact with the first line 911. When English points of 'i and j' of the water body are written, the points of 'i and j' are located on the long-middle line of the first lattice 9121, the long-middle line of the first lattice 9121 is parallel to the first preset direction, and the long-middle line of the first lattice 9121 can be judged by a user. When writing English words "f and t" of the balance body of water, the upper ends of "f and t" are located on the long central line, and the second pen of "f and t" is closely attached below the second line 912. The lower ends of the "f, g, j, p, q, and y" and "f, g, j, p, q, and y" in english in the body of water of the scale abut against the fourth line 914. When English words of 'a, d, h, i, k, l, m, n, t and u' of a water body of the scale are written, the lifting pen of 'a, d, h, i, k, l, m, n, t and u' is a small round hook which is selected upwards and can not write acute angles. When writing english words in a balance body, the distance between letters belonging to a word may be based on the width of one second auxiliary writing straight line portion 92, and the distance between different words is based on the distance between adjacent second auxiliary writing straight line portions 92.

Further, please refer to fig. 1 to 3, as the utility model provides a pair of a writing check projection arrangement's a specific implementation way, writing check projection arrangement still includes visual inspection module 4, visual inspection module 4 includes visual camera 41, visual analysis unit 42 and result output unit, visual camera 41 is used for shooing the writing check that is located projection plane 3, visual camera 41 electricity is connected in visual analysis unit 42 and is set up on body 1, result output unit electricity is connected in visual analysis unit 42 and sets up on body 1, result output unit and visual analysis unit 42 are fixed on body 1, visual analysis unit 42 is used for receiving visual camera 41's the shooting photo and exports the judgement result to result output unit, result output unit is used for exporting the judgement result.

The user places the paper on projection plane 3, then practises on the paper and writes, and vision camera 41 shoots the user's paper, sends the picture of shooing to visual analysis unit 42 in and carries out the analysis to judge whether the word that the user wrote is qualified, and output the judged result for the user through result output unit, thereby the user knows in time whether the word of oneself writing on the paper is qualified, the user has obtained timely feedback at the in-process of practising, thereby improve the efficiency that the user practised writing.

Specifically, the visual analysis unit 42 determines whether the word written by the user is qualified by using a contrast analysis method.

Further, please refer to fig. 1 to fig. 3, as a specific implementation manner of the writing lattice projection apparatus provided by the present invention, the writing lattice projection apparatus further includes an adjusting mechanism 5, the adjusting mechanism 5 includes a mounting member 51 and a driving module 52, the mounting member 51 is fixed on the body 1, the driving module 52 is fixed on the mounting member 51, and the vision camera 41 is fixed on the movable end of the driving module 52.

The vision camera 41 takes a plurality of pictures of the writing lattice on the projection plane 3 and sends the pictures to the vision analysis unit 42, and the vision analysis unit 42 judges whether the characters written on the writing lattice by the user are qualified or not according to the pictures sent by the vision camera 41. The mounting member 51 facilitates the fixing of the drive module 52 to the body 1, and improves the ease with which the drive module 52 is mounted to the body 1. The angle between the shooting end of the vision camera 41 and the projection plane 3 is adjusted through the driving module 52, so that a user can adjust the angle between the shooting end of the vision camera 41 and the projection plane 3 according to actual conditions, and the vision camera 41 can shoot writing grids on the projection plane 3 to obtain clear photos.

The visual analysis unit 42 includes a visual processor 421 and a visual memory 422, the visual memory 422 is used for storing the preset program and the visual data, the visual processor 421 is used for calling the preset program and the visual data, and the visual processor 421 is electrically connected to the visual camera 41.

Specifically, the driving module 52 is configured as a micro motor or a micro pan/tilt head.

Specifically, the vision processor 421 is a single chip microcomputer or MCU.

Further, please refer to fig. 1 to 3, as a specific embodiment of the writing lattice projection apparatus provided by the present invention, the result output unit includes a display module 43, the display module 43 is electrically connected to the visual analysis unit 42 and fixed on the body 1, and a display surface of the display module 43 faces to an outside of the body 1.

The user places the paper on projection plane 3, then practises on the paper and writes, vision camera 41 shoots the user's paper, the photo that will shoot is sent to visual analysis unit 42 and is carried out the analysis, thereby judge whether the word that the user wrote is qualified, and show the judged result on display module 43, thereby the user knows in time whether the word that oneself wrote on the paper is qualified, the user has obtained timely feedback at the in-process of practising, thereby improve the efficiency that the user practised and writes

Further, referring to fig. 1 to 3, as an embodiment of the writing lattice projection apparatus provided by the present invention, the visual analysis unit 42 further includes a voice processor 423, the writing lattice projection apparatus further includes a voice input device 10, the voice input device 10 is fixed on the main body 1, the voice input device 10 is electrically connected to the voice processor 423, and the voice processor 423 is electrically connected to the visual processor 421.

The user speaks towards the voice input device 10, the voice input device 10 recognizes the voice of the user and inputs the voice into the voice processor 423, the voice processor 423 analyzes the voice of the user and outputs voice operation information to be sent to the visual processor 421, and the visual processor 421 executes corresponding functions according to the voice operation information, so that the use convenience of the writing lattice projection device is improved.

Specifically, the voice processor 423 is configured as a single chip microcomputer or an MCU.

Further, please refer to fig. 1 to 3, as a specific embodiment of the writing lattice projection apparatus provided by the present invention, the mounting member 51, the driving module 52 and the vision camera 41 are disposed in the body 1, the body 1 is provided with the observation hole 11, and the photographing end of the vision camera 41 disposed in the body 1 photographs the writing lattice disposed on the projection plane 3 through the observation hole 11.

The vision camera 41 is installed in the body 1, and the body 1 plays a role of protecting the vision camera 41. The vision camera 41 takes a picture through the observation hole 11, and the influence of the main body 1 on the vision camera 41 is reduced.

Further, please refer to fig. 1 to 3, as the utility model provides a writing check projection arrangement's a specific implementation way, writing check projection arrangement still includes a flexible section of thick bamboo 6, and the one end of a flexible section of thick bamboo 6 is fixed on body 1, and the other one end of a flexible section of thick bamboo 6 is fixed on vision camera 41, and the end of shooing of vision camera 41 is located a flexible section of thick bamboo 6, and the port that a flexible section of thick bamboo 6 deviates from vision camera 41 communicates in observation hole 11.

The flexible tube 6 does not affect the movement of the vision camera 41 on the body 1 driven by the driving module 52. Dust outside the body 1 is blocked by the flexible tube 6 and is not easy to enter the body 1 from the observation hole 11.

Specifically, flexible section of thick bamboo 6 is established to flexible funnel section of thick bamboo, and flexible funnel section of thick bamboo has big port portion and port portion, and the big port portion of flexible funnel section of thick bamboo communicates in observation hole 11, and the port portion cover of feeling of flexible funnel section of thick bamboo is located the end of shooing of camera.

Further, referring to fig. 1 to 3, as a specific embodiment of the writing lattice projection apparatus provided by the present invention, the result output unit further includes a voice device 7, and the voice device 7 is electrically connected to the vision inspection module 4 and fixed on the body 1.

The vision inspection module 4 outputs corresponding data to the voice device 7, and after the voice device 7 receives the data output by the vision inspection module 4, the voice device 7 plays corresponding voice according to the data output by the vision inspection module 4, so that a user can know whether the characters written on the writing lattice are qualified or not.

Specifically, the voice device 7 is configured as a speaker or a smart speaker module.

Further, please refer to fig. 1 to 3, which are specific embodiments of the writing lattice projection apparatus provided by the present invention, the writing lattice projection apparatus further includes a wireless communication device 8, and the wireless communication device 8 is fixed on the body 1 and electrically connected to the projection module 2.

The wireless communication device 8 is convenient for wireless connection with a user terminal, a user can send a first operation signal to the wireless communication device 8 through the user terminal, the wireless communication device 8 is used for sending the first operation signal sent by the user terminal to the projection module 2, and the projection module 2 executes a corresponding function according to the first operation signal sent by the wireless communication device 8. The wireless communication device 8 is also used for wirelessly transmitting the data in the projection module 2 to the user terminal, so that the user can conveniently view the data of the projection module 2 sent to the user terminal at the user terminal.

Specifically, the wireless communication device 8 is set as at least one of a WIFI module, a GSM module, an NB-iot module, and a 5G module, and the writing lattice projection device has multiple modes of connecting communication equipment, thereby improving the convenience of use of the writing lattice projection device.

Specifically, the user terminal is set as a mobile phone or a tablet computer.

Further, referring to fig. 1 to fig. 3, as a specific embodiment of the writing lattice projection apparatus provided by the present invention, the wireless communication device 8 is further electrically connected to the vision inspection module 4.

The user can conveniently send the second operation signal to the wireless communication device 8 through the user terminal, the wireless communication device 8 is used for sending the second operation signal sent by the user terminal to the vision inspection module 4, and the vision inspection module 4 executes the corresponding function according to the second operation signal sent by the wireless communication device 8. The wireless communication device 8 is also used for wirelessly transmitting the data in the visual inspection module 4 to the user terminal, so that the user can conveniently view the data of the visual inspection module 4 sent to the user terminal at the user terminal.

Further, referring to fig. 1 to 3, as a specific embodiment of the writing lattice projection apparatus provided by the present invention, the projection module 2 includes a projection processor 21, a projection memory 22 and a projector 23, the projection processor 21, the projection memory 22 and the projector 23 are fixed on the body 1, the projection memory 22 is electrically connected to the projection processor 21, and the projection processor 21 is electrically connected to the projector 23.

The projection memory 22 is configured to store a preset projection program and preset projection data, the projection processor 21 is configured to call the preset projection program and the preset projection data to form projection data, and the projection data is sent to the projector 23, and the projector 23 performs projection according to the projection data.

Specifically, the projection processor 21 is electrically connected to the wireless communication device 8.

Preferably, the wireless communication device 8 is configured to send the first operation signal sent by the user terminal to the projection processor 21, and the projection processor 21 invokes the corresponding preset projection program and the corresponding preset projection data according to the first operation signal sent by the wireless communication device 8 to perform the corresponding function. The projection processor 21 is further configured to retrieve pre-stored projection data and send the pre-stored projection data to the wireless communication device 8, and the wireless communication device 8 wirelessly transmits the pre-stored projection data retrieved by the projection processor 21 to the user terminal, so that a user can view the pre-stored projection data retrieved by the projection processor 21 at the user terminal.

Preferably, the projection processor 21 is set as a single chip or MCU.

Preferably, the preset projection data includes the data of a grid of Chinese characters Tian, the data of a rice sub grid, the data of a body of English balance water, the data of a four-line three grid and the data of a nine-grid.

Further, please refer to fig. 2, as a specific implementation manner of the writing lattice projection apparatus provided by the present invention, the projector 23 is disposed in the main body 1, the main body 1 is provided with the observation window 12, and the projector 23 projects the writing region 31 through the observation window 12, so that the main body 1 can better protect the projector 23.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a writing check projection arrangement, its characterized in that includes the body and installs projection module on the body, the body is used for placing on the projection plane, projection module is used for the projection writing check on the projection plane, projection module includes projection processor, projection memory and projector, projection memory with the projector is fixed on the body, projection memory electricity connect with the projection processor, the projection processor electricity connect in the projector.

2. The writing lattice projection apparatus of claim 1, wherein the writing lattice includes at least two of a grid, a rice lattice, a balanced water body lattice, a four line three lattice and a squared figure lattice.

3. The writing lattice projection apparatus according to claim 1, further comprising a vision inspection module, wherein the vision inspection module includes a vision camera, a vision analysis unit, and a result output unit, the vision camera is used for photographing the writing lattice located on the projection plane, the vision camera is electrically connected to the vision analysis unit and disposed on the body, the result output unit and the vision analysis unit are fixed on the body, the vision analysis unit is used for receiving a photograph taken by the vision camera and outputting a judgment result to the result output unit, and the result output unit is used for outputting the judgment result.

4. A writing lattice projection arrangement as claimed in claim 3, further comprising an adjustment mechanism, the adjustment mechanism comprising a mounting member and a drive module, the mounting member being secured to the body, the drive module being secured to the mounting member, the vision camera being secured to a movable end of the drive module.

5. The writing lattice projection device of claim 4, wherein the mounting member, the driving module and the vision camera are disposed in the body, the body is provided with an observation hole, and a photographing end of the vision camera disposed in the body photographs the writing lattice disposed on the projection plane through the observation hole.

6. The writing grid projection device according to claim 3, wherein the result output unit comprises a display module electrically connected to the visual analysis unit and fixed to the body, and a display surface of the display module faces an outer side of the body.

7. The writing grid projection device of claim 3, wherein the result output unit further comprises a voice device electrically connected to the vision inspection module and fixed to the body.

8. The writing grid projection device of claim 3, further comprising a wireless communication device secured to the body and electrically connected to the projection module.

9. The writing grid projection apparatus of claim 8, wherein the wireless communication device is further electrically connected to the vision inspection module.