CN211718663U

CN211718663U - Liquid crystal writing board

Info

Publication number: CN211718663U
Application number: CN202020482444.4U
Authority: CN
Inventors: 陈永煌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-06
Filing date: 2020-04-06
Publication date: 2020-10-20
Anticipated expiration: 2030-04-06

Abstract

The utility model discloses a liquid crystal writing board, including base, LCD liquid crystal film and upper cover, be equipped with the cavity on the base, LCD liquid crystal film sets up in the cavity, the upper cover sets up on the base is close to a lateral wall of LCD liquid crystal film. The utility model discloses a fixed mode of integrative trench and integral type base design, can avoid the LCD liquid crystal film shift phenomenon and the function harmfulness that the product was found in the front, adopt the design of innovation formula electricity isolation, show extension battery life, it can store more of a specified duration to make button electron power storage compare the product in the past, increase more writing number of times, prevent to lead to electric quantity to run off or battery deflagration under the long-time no electricity isolation protection circumstances, and square edge is four just, the profile is clear, it is smooth to feel, moreover, the steam generator is simple in structure, write fluently, energy-saving power, the environmental protection, high contrast is high, utilize the reverberation, light is not amazing, the writing is clear, the height is high, forced induction is strong, the simulation is really written and is experienced.

Description

Liquid crystal writing board

Technical Field

The utility model relates to a board technical field especially relates to a liquid crystal board.

Background

The liquid crystal writing board is a computer input device using a liquid crystal screen as a writing screen, is used for inputting characters or drawing information to a computer, and compared with a traditional keyboard input mode, the liquid crystal writing board is smaller in size, convenient to carry and more convenient to use, and therefore the liquid crystal writing board is widely used.

In the present liquid crystal board product, the LCD liquid crystal membrane uses the double faced adhesive tape to paste fixed mode usually, there is the problem of coming unstuck, the displacement, can cause the product dysfunction, the base is base and fixed LCD liquid crystal membrane separation accessory mode in the front simultaneously, there is the poor LCD liquid crystal membrane displacement phenomenon that leads to of assembly easily, in addition, the battery is easy in the board and unable normal start when leading to the battery low-power with upper cover and base contact, the life of battery consequently shortens, the number of times of writing of liquid crystal board consequently reduces.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: in the present liquid crystal board product, the LCD liquid crystal membrane uses the double faced adhesive tape to paste fixed mode usually, there is the problem of coming unstuck, the displacement, can cause the product dysfunction, the base is base and fixed LCD liquid crystal membrane separation accessory mode in the front simultaneously, there is the poor LCD liquid crystal membrane displacement phenomenon that leads to of assembly easily, in addition, the battery is easy in the board and unable normal start when leading to the battery low-power with upper cover and base contact, the life of battery consequently shortens, the number of times of writing of liquid crystal board consequently reduces.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a liquid crystal writing board comprises a base, an LCD liquid crystal film and an upper cover, wherein a cavity is formed in the base, the LCD liquid crystal film is arranged in the cavity, the upper cover is arranged on a side wall, close to the LCD liquid crystal film, of the base, the LCD liquid crystal film is positioned between the base and the upper cover, a plurality of baffles are fixedly connected to the inner side wall of the cavity and are integrally formed with the base, the LCD liquid crystal film is placed between the baffles, the base is integrally formed, a mounting groove is formed in one end of the cavity, a PCBA circuit board is arranged in the mounting groove, button electronics are arranged on the PCBA circuit board, the PCBA circuit board and the LCD liquid crystal film are connected together through signal lines, the PCBA circuit board and the button electronics are electrically connected, an electricity isolating sheet is arranged between the button electronics and the base and between the button electronics and the upper cover, a concave hole communicated with the mounting groove is formed in one end of the base, the utility model discloses a PCB structure, including the shrinkage pool, the shrinkage pool is equipped with the on & off switch, the on & off switch is just setting up PCBA circuit board, one of base serves and is equipped with the dead slot with the mounting groove intercommunication, be equipped with the battery cover in the dead slot, the battery cover is close to button electron setting, on cover and be equipped with according to the keyway, according to being equipped with in the keyway and clear away the key, it just sets up PCBA circuit board to clear away the key, be equipped with the standing groove on the base, be equipped with the writing pen in the standing groove, be equipped with control system in the PCBA circuit board, control system includes function button module, voltage feedback compensation.

Preferably, a plurality of thread grooves are formed in the base, the upper cover, the battery cover and the clearing key, and the base, the upper cover, the battery cover and the clearing key are connected together through cross screws.

Preferably, the writing pen comprises a pen holder and a spherical head, wherein the spherical head is arranged at one end of the pen holder, and the pen holder is arranged in an oval shape.

Preferably, the writing pen is made of PP materials.

Preferably, the edges and corners of the outer side wall of the base and the outer side wall of the upper cover are both smoothly arranged.

The utility model has the advantages that:

1. this kind of product of LCD liquid crystal film uses the double faced adhesive tape to paste fixed mode in the front, has the problem of coming unstuck, displacement, can cause the product function bad, and the base product is base and fixed LCD liquid crystal film separation accessory mode in the front simultaneously, easily exists the bad LCD liquid crystal film displacement phenomenon that leads to of assembly, the utility model discloses a fixed mode of integrative trench and integral type base design can avoid the LCD liquid crystal film displacement phenomenon that the product was found in the front, avoids the dysfunction.

2. All be equipped with between button electron and base and button electron and the upper cover and separate the electric piece, separate the electric piece and can cut off the contact between button electron and base and the upper cover, the electric design that separates of this kind of innovation formula, extension battery life that can show for the stored energy volume of button electron compares the product in the past and can store the time for a longer time, thereby increases more writing times, prevents to have not to lead to electric quantity loss or battery detonation under the electric protection circumstances that separates for a long time.

Drawings

Fig. 1 is a schematic view of an internal structure of a liquid crystal tablet according to the present invention;

fig. 2 is a schematic structural view of a liquid crystal tablet according to the present invention;

fig. 3 is a schematic structural view of a base of a liquid crystal tablet according to the present invention;

fig. 4 is a schematic structural diagram of an LCD liquid crystal film of a liquid crystal tablet according to the present invention;

FIG. 5 is a schematic structural view of an upper cover of a liquid crystal tablet according to the present invention;

FIG. 6 is a schematic structural diagram of a PCBA circuit board of the liquid crystal writing board of the present invention;

fig. 7 is a schematic structural view of a button electron of a liquid crystal tablet according to the present invention;

FIG. 8 is a schematic structural view of an electricity-isolating sheet of a liquid crystal tablet according to the present invention;

fig. 9 is a schematic structural view of an on-off key of a liquid crystal tablet according to the present invention;

fig. 10 is a schematic structural view of a battery cover of a liquid crystal tablet according to the present invention;

FIG. 11 is a schematic structural view of a clear key of a liquid crystal tablet according to the present invention;

fig. 12 is a schematic structural view of a writing pen of a liquid crystal writing board according to the present invention;

fig. 13 is a schematic view of a control system of a liquid crystal tablet according to the present invention.

In the figure: the multifunctional pen comprises a base 1, a baffle 11, a mounting groove 12, a concave hole 13, a hollow groove 14, a placing groove 15, an LCD liquid crystal film 2, an upper cover 3, a key pressing groove 31, a PCBA circuit board 4, a button electronic 5, an electricity isolating sheet 51, a switch key 6, a battery cover 7, a clearing key 8 and a writing pen 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-13, a liquid crystal writing board, including base 1, LCD liquid crystal film 2 and upper cover 3, be equipped with the cavity on the base 1, LCD liquid crystal film 2 sets up in the cavity, upper cover 3 sets up on base 1 is close to a lateral wall of LCD liquid crystal film 2, the edges and corners of base 1 and 3 lateral walls of upper cover all are smooth setting, make smooth feeling of whole writing board, LCD liquid crystal film 2 is located between base 1 and the upper cover 3, a plurality of baffles 11 of fixedly connected with on the inside wall of cavity, a plurality of baffles 11 all take shape with base 1 is integrative, LCD liquid crystal film 2 is placed between a plurality of baffles 11, base 1 is integrative to mould the shaping.

LCD liquid crystal membrane 2 this type of product uses the double faced adhesive tape to paste fixed mode in the front, exists to come unstuck, the problem of displacement can cause the product dysfunction, and base 1 product in the front is base 1 and fixed LCD liquid crystal membrane 2 detached parts mode simultaneously, easily exists to assemble harmfully and leads to LCD liquid crystal membrane 2 displacement phenomenon, the utility model discloses an integrative trench fixed mode and integral type base 1 design can avoid the LCD liquid crystal membrane 2 displacement phenomenon that the product was found in the front, avoid the dysfunction, are equipped with mounting groove 12 in the one end of cavity, are equipped with PCBA circuit board 4 in the mounting groove 12.

Be equipped with button electron 5 on the PCBA circuit board 4, be in the same place through signal line connection between PCBA circuit board 4 and the LCD liquid crystal membrane 2, electricity is connected between PCBA circuit board 4 and the button electron 5, all be equipped with between button electron 5 and base 1 and button electron 5 and the upper cover 3 and separate electric piece 51, it can cut off button electron 5 and base 1 and the contact between the upper cover 3 to separate electric piece 51, the electricity design that separates of this kind of innovation formula, the extension battery life that can show, make button electron 5's the electric quantity storage compare in the past the product time of can storing more of a specified duration, thereby increase more writing times, prevent to lead to electric quantity loss or battery deflagration under the long-time electricity protection circumstances that does not separate.

One of base 1 serves and is equipped with shrinkage pool 13 with mounting groove 12 intercommunication, be equipped with on & off switch 6 in the shrinkage pool 13, on & off switch 6 is just setting up PCBA circuit board 4, one of base 1 serves and is equipped with dead slot 14 with mounting groove 12 intercommunication, be equipped with battery cover 7 in the dead slot 14, battery cover 7 is close to button electron 5 and sets up, be equipped with on upper cover 3 and press keyway 31, be equipped with in the keyway 31 and clear away key 8, it is just setting up PCBA circuit board 4 just to clear away key 8, base 1, upper cover 3, all be equipped with a plurality of thread grooves on battery cover 7 and the clear key 8, base 1, upper cover 3, battery cover 7 and clear away key 8 all through cross screwed connection together, the installation is dismantled all very simple and conveniently.

Be equipped with standing groove 15 on the base 1, be equipped with writing pen 9 in the standing groove 15, writing pen 9 includes pen-holder and spherical head, spherical head sets up the one end at the pen-holder, the pen-holder is oval setting, the gripping of being convenient for is write, writing pen 9 adopts the PP material to make, increase its intensity and wearability, be equipped with control system in the PCBA circuit board 4, control system includes function button module, voltage feedback compensation module, AD data acquisition module and PWM control module, LCD liquid crystal film 2 realizes through function button module and voltage feedback compensation module that the screen of writing is clear away and is had no residue no function impression.

LCD liquid crystal film 2 realizes writing the screen through function button module, AD data acquisition module and PWM control module and writes the function, the utility model discloses not only have the function of switching wantonly and relapse the picture, erasing the erasable state of note, but also possess the locking function that can not the picture again on the basis of keeping the writing can not erased, corrected by hand and other carriers, really accomplish to write target in place, the stitch is smooth, the color and luster is unanimous, the line width is clear.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The liquid crystal writing board comprises a base (1), an LCD liquid crystal film (2) and an upper cover (3), and is characterized in that a cavity is formed in the base (1), the LCD liquid crystal film (2) is arranged in the cavity, the upper cover (3) is arranged on one side wall, close to the LCD liquid crystal film (2), of the base (1), the LCD liquid crystal film (2) is located between the base (1) and the upper cover (3), a plurality of baffles (11) are fixedly connected to the inner side wall of the cavity, the baffles (11) are integrally formed with the base (1), the LCD liquid crystal film (2) is placed between the baffles (11), the base (1) is integrally formed, a button mounting groove (12) is formed in one end of the cavity, a PCBA circuit board (4) is arranged in the button mounting groove (12), and an electronic component (5) is arranged on the PCBA circuit board (4), the utility model discloses a PCB (printed circuit board) and LCD (liquid crystal display) display, including PCBA circuit board (4) and button electron (5), be connected together through the signal line between PCBA circuit board (4) and the LCD liquid crystal membrane (2), electricity between PCBA circuit board (4) and the button electron (5), all be equipped with between button electron (5) and base (1) and button electron (5) and upper cover (3) and separate electric piece (51), one of base (1) serves shrinkage pool (13) that communicates with mounting groove (12), be equipped with on & off switch (6) in shrinkage pool (13), on & off switch (6) just to PCBA circuit board (4) setting, one of base (1) serves dead slot (14) that communicates with mounting groove (12), be equipped with in dead slot (14) battery cover (7), battery cover (7) are close to button electron (5) setting, be equipped with on upper cover (3) and press keyway (31), it clears away key (8), clear away key (8) just to PCBA circuit board (4) setting, be equipped with standing groove (15) on base (1), be equipped with writing pen (9) in standing groove (15), be equipped with control system in PCBA circuit board (4), control system includes function button module, voltage feedback compensation module, AD data acquisition module and PWM control module.

2. The liquid crystal writing board according to claim 1, wherein the base (1), the upper cover (3), the battery cover (7) and the clear key (8) are all provided with a plurality of thread grooves, and the base (1), the upper cover (3), the battery cover (7) and the clear key (8) are all connected together through cross screws.

3. The liquid crystal writing board according to claim 1, wherein the writing pen (9) comprises a pen holder and a ball head, the ball head is arranged at one end of the pen holder, and the pen holder is arranged in an oval shape.

4. A liquid crystal tablet according to claim 3, wherein the writing pen (9) is made of PP.

5. The liquid crystal tablet of claim 1, wherein the corners of the outer side walls of the base (1) and the upper cover (3) are smooth.