CN211479098U

CN211479098U - Folding drawing board

Info

Publication number: CN211479098U
Application number: CN201921132651.0U
Authority: CN
Inventors: 张俊钊; 林小勇; 张俊国
Original assignee: Shenzhen Upin Technology Co ltd
Current assignee: Shenzhen Upin Technology Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-09-11
Anticipated expiration: 2029-07-18

Abstract

The utility model relates to the technical field of drawing equipment, and discloses a folding drawing board, which comprises a body and an electromagnetic pen, wherein the body is embedded with an electromagnetic unit which is used for forming a magnetic field area on the body, the body is internally provided with a control unit which is electrically connected with the electromagnetic unit, one side of the body is connected with a shortcut unit through at least one first connecting piece, the shortcut unit is used for performing shortcut function operation when the electromagnetic pen is operated on the electromagnetic unit, the other side of the body is electrically connected with a wireless charging unit through at least one second connecting piece, a USB interface is embedded on the wireless charging unit and is used for being matched with a data line to be connected with a computer or a mobile terminal, the utility model reduces the whole volume of the equipment through a folding mode, so that the equipment is more convenient to be stored and carried, and is easy and convenient to be folded and unfolded, meanwhile, the wireless charging of mobile equipment such as a mobile phone and the like by a user is facilitated, and the use function of the equipment is increased.

Description

Folding drawing board

Technical Field

The utility model relates to the technical field of drawing equipment, in particular to a folding drawing board.

Background

Drawing board, also known as digital board, drawing board, hand drawing board, etc., is one kind of computer input equipment, usually consists of a board and a pressure-sensitive pen (or called electromagnetic pen), it is similar to handwriting board, etc. as unconventional input products, all aim at certain use groups; the method is used for drawing creation, like a drawing board and a painting brush of an artist, and common vivid pictures and lifelike characters in a movie are drawn by one stroke through the drawing board; the drawing function of the digital board is a place which can not be compared with a keyboard and a handwriting board; the drawing board is mainly used for teachers and students of related professions of design and art, advertising companies, design studios and Flash vector animation producers.

In the board of drawing board, there is a circuit board, commonly known as antenna board, and above-mentioned has the copper lines of violently erecting the align-mate arrangement, cuts into the square of a certain amount with the drawing board, and face top produces balanced vertically and horizontally staggered's magnetic field, and when the nib moved on the digital board, cutting magnetic field to produce the signal of telecommunication, through the multiple spot location, the position of the definite drawing board nib that the chip of drawing board just can be accurate.

The current drawing board is because electromagnetism unit and the swift button isotructure of function generally collect in an organic whole to need increase beyond the electromagnetism unit and set up the region, thereby increased the holistic area of drawing board, make the required space that occupies of drawing board great, carry for the user daily and bring inconvenience.

Disclosure of Invention

An object of the utility model is to overcome the weak point among the prior art and provide a foldable drawing board, this drawing board has reduced the whole volume of equipment through folding mode for equipment is more convenient for accomodate and carry, and it is light convenient to take up and open up, simultaneously, has made things convenient for the user to carry out wireless charging to mobile devices such as cell-phones when the operation, has increased the service function of equipment.

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

the utility model provides a foldable drawing board, includes body and electromagnetism pen, inlays on this body and is equipped with the electromagnetism unit, and this electromagnetism unit is used for forming a magnetic field region on the body, the body embeds there is the control unit, and this control unit and electromagnetism unit electric connection, one of them side of this body are connected with a swift unit through at least one first connecting piece, and this swift unit carries out swift function operation for electromagnetism pen when operating on the electromagnetism unit, and this body opposite side inlays on this wireless charging unit and establishes a USB interface through at least one second connecting piece and a wireless charging unit electric connection, and this USB interface is used for cooperating the data line to be connected with computer or mobile terminal.

One side of the body is provided with at least one first hinge cut, one end of the first connecting piece is hinged to the corresponding first hinge cut, the other side of the body is provided with at least one second hinge cut, and one end of the second connecting piece is hinged to the corresponding second hinge cut.

One side of the control unit of the body is provided with a first flexible circuit board which penetrates out of one side of the body and is electrically connected with the shortcut unit, the other side of the control unit is provided with a second flexible circuit board which penetrates out of the other side of the body and is electrically connected with the wireless charging unit, and the control unit comprises a processor.

The shortcut unit is provided with at least two function shortcut keys, the function shortcut keys are used for a user to send shortcut function trigger signals to the processor of the control unit when the user operates the shortcut unit, and the function shortcut keys are electrically connected with the first flexible circuit board.

The other side of the shortcut unit is provided with a touch pad, the touch pad is used for self-defining the shortcut function combination key and sending a self-defining function trigger signal to a processor of the control unit, and the touch pad is electrically connected with the first flexible circuit board.

The wireless charging unit is internally provided with a wireless charging coil and a power supply regulation and control module electrically connected with the wireless charging coil, the power supply regulation and control module is respectively electrically connected with the USB interface and the second flexible circuit board, and a wireless charging panel is arranged at the position, corresponding to the wireless charging coil, of the wireless charging unit.

One side of the upper surface of the wireless charging unit is also provided with at least one indicator light, the indicator light is used for prompting whether the equipment is in a normal working state or not, and the indicator light is electrically connected with the power supply regulation and control module.

The electromagnetic unit comprises a sensing plate embedded on the surface of the body and a plurality of circulating coils arranged below the sensing plate in a longitudinal and transverse distribution mode, each circulating coil is electrically connected with a processor of the control unit, and the processor is used for scanning each circulating coil to obtain the coordinate, the gradient and the operating state signals of the electromagnetic pen on the electromagnetic unit.

The beneficial effects of the utility model reside in that: the quick unit is hinged to one side of the body through the first connecting piece, the wireless charging unit is hinged to the other side of the body through the second connecting piece, and therefore the quick unit and the wireless charging unit can be freely folded and unfolded on the body; when the wireless charging device is used, the shortcut unit and the wireless charging unit are only required to be reversely unfolded respectively, so that the shortcut unit, the wireless charging unit and the body are positioned on the same plane, and the folding and unfolding are easy and convenient; in addition, the wireless charging unit is arranged, so that a user can conveniently and wirelessly charge mobile equipment such as a mobile phone during operation, and the use function of the equipment is increased.

Drawings

Fig. 1 is one of the structural schematic diagrams of the present invention in the unfolded state.

Fig. 2 is a second schematic structural view of the present invention in the unfolded state.

Fig. 3 is one of the structural schematic diagrams of the semi-folded state of the present invention.

Fig. 4 is a second schematic structural view of the present invention in a half-folded state.

Fig. 5 is a schematic structural view of the fully folded state of the present invention.

The reference numbers illustrate:

1-body; 11-an electromagnetic unit; 2-a first connecting member; 3-a shortcut unit; 31-function shortcut key; 32-a touch pad; 4-a second connector; 5-a wireless charging unit; 51-wireless charging panel; 52-indicator light; 6-USB interface; 7-a first flexible circuit board; 8-a second flexible circuit board; 9-convex pad.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings of the specification, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention:

as shown in fig. 1-5, the present invention relates to a foldable drawing board, including a body 1 and an electromagnetic pen (not shown), wherein an electromagnetic unit 11 is embedded on the body 1, the electromagnetic unit 11 is used to form a magnetic field region on the body 1, a control unit (not shown) is embedded in the body 1, the control unit is electrically connected to the electromagnetic unit 11, one side of the body 1 is connected to a shortcut unit 3 through at least a first connecting member 2, the shortcut unit 3 is used to perform shortcut function operation when the electromagnetic pen is operated on the electromagnetic unit 11, the other side of the body 1 is electrically connected to a wireless charging unit 5 through at least a second connecting member 4, a USB interface 6 is embedded on the wireless charging unit 5, and the USB interface 6 is used to match a data line to connect to a computer or a mobile terminal; wherein, this USB interface 6 is preferred a Type-C interface, and this USB interface 6 is used for cooperating the data line to realize the utility model discloses with computer or mobile terminal's (like cell-phone, panel computer, notebook computer etc.) data connection, one of them side of body 1 is preferably located to this USB interface 6, and this USB interface 6 sets up the position and the Type selection, can match according to the actual design needs of product structure, does not give here from the limit.

As shown in fig. 1-5, at least one first hinge cut is formed on one side of the body 1, one end of the first connecting member 2 is hinged to the corresponding first hinge cut, at least one second hinge cut is formed on the other side of the body, and one end of the second connecting member 4 is hinged to the corresponding second hinge cut.

As shown in fig. 1-5, one side of the control unit of the main body 1 is provided with a first flexible circuit board 7, the first flexible circuit board 7 penetrates through one side of the main body 1 and is electrically connected with the shortcut unit 3, the other side of the control unit is provided with a second flexible circuit board 8, the second flexible circuit board 8 penetrates through the other side of the main body 1 and is electrically connected with the wireless charging unit 5, and the control unit comprises a processor for sending a control command according to a received signal.

As shown in fig. 1-5, at least two function shortcut keys 31 are disposed in the shortcut unit 3, the function shortcut keys 31 are used for a user to send out a shortcut function triggering signal to the processor of the control unit when the user operates, and the function shortcut keys 31 are electrically connected to the first flexible circuit board 7.

As shown in fig. 1-5, a touch pad 32 is disposed on the other side of the shortcut unit 3, the touch pad 32 is used for customizing the shortcut key combination and sending a customization trigger signal to the processor of the control unit, and the touch pad 32 is electrically connected to the first flexible circuit board 7.

As shown in fig. 1-5, a wireless charging coil and a power supply regulation and control module electrically connected to the wireless charging coil are disposed in the wireless charging unit 5, the power supply regulation and control module is electrically connected to the USB interface 6 and the second flexible circuit board 8, respectively, and a wireless charging panel 51 is disposed at a position of the wireless charging unit 5 corresponding to the wireless charging coil.

Further, as shown in fig. 1-3, at least one indicator 52 is further disposed on one side of the upper surface of the wireless charging unit 5, the indicator 52 is used to prompt whether the device is in a normal working state, and the indicator 52 is electrically connected to the power supply regulation and control module.

As shown in fig. 1-3, the electromagnetic unit 11 includes a sensing plate (not shown) embedded on the surface of the main body 1 and a plurality of vertically and horizontally distributed circulation coils (not shown) disposed below the sensing plate, each circulation coil is electrically connected to a processor of the control unit, and the processor is configured to obtain the coordinates, the inclination, and the operating state signals of the electromagnetic pen on the electromagnetic unit 11 by scanning each circulation coil.

Furthermore, the electromagnetic pen is composed of a shell, a pen point, an inner coil, a pressure sensor, conductive silica gel and a capacitor plate, wherein the pen point, the inner coil, the pressure sensor, the conductive silica gel and the capacitor plate are sequentially arranged in the shell, the inner coil and the pressure sensor are respectively and electrically connected with the capacitor plate, an oscillating circuit is integrated on the capacitor plate, at least one side key is arranged on the shell, and the side key is electrically connected with the capacitor plate.

Further, the upper and lower both sides of body 1 upper surface are equallyd divide and are equipped with an at least protruding pad 9 respectively, this protruding pad 9 has avoided swift unit 3 and wireless charging unit 5 to directly strike body 1 when folding, also can ensure to lead to swift unit 3 and wireless charging unit 5 to oppress body 1 because of the extrusion in-process accomodating, body 1 has been guaranteed, swift unit 3 and wireless charging unit 5 three's normal use, and, this protruding pad 9 preferably adopts flexible material such as silica gel, has certain cushioning effect, however, the material selection of protruding pad 9, can select according to the actual need of product production, do not give self-limitation here.

In addition, four corners of the bottom surfaces of the body 1, the shortcut unit 3 and the wireless charging unit 5 are respectively provided with a convex pad 9, wherein the convex pads 9 play a role of a foot pad, so that the bottom surfaces of the body 1, the shortcut unit 3 and the wireless charging unit 5 are prevented from being worn when in use, and the appearance of the device is ensured to be attractive.

In the foldable drawing board disclosed by the utility model, the lamp beads or the lamp strips of the foldable drawing board preferably adopt LED lamp beads or LED lamp strips; the utility model is also provided with a pen stand or a pen groove or a pen cap on the body 1 for placing the electromagnetic pen, the configuration mode of the electromagnetic pen can be selected according to the actual design requirement of the product structure, and the self-limitation is not provided; the electromagnetic pen is provided with an oscillating circuit (not shown) to form a resonant circuit, and when in use, each circulating coil on the induction plate generates a balanced criss-cross magnetic field, when the pen point of the electromagnetic pen moves on the induction plate to cut the magnetic field, so that the resonance loop of the electromagnetic pen stores weak electric energy, and after the electromagnetic pen stores the energy, the control loop of the processor of the control unit stops supplying current to the circulating coil, and each circulation coil is connected to the receiving circuit of the control unit, at this time, the energy accumulated by the electromagnetic pen will be transmitted to the electromagnetic unit 11 from the inner coil of the pen point through the free oscillation of the resonance circuit, at this time, the control circuit firstly detects the approximate position of the electromagnetic pen preliminarily through the scanning of the circulating coil, then, scanning a plurality of circulating coils around the electromagnetic pen, and calculating the detected signals to obtain accurate coordinate values of the electromagnetic pen; if the action is repeated in a cycle, signals such as coordinates, inclination and operation state (namely the movement speed of the electromagnetic pen and the pressure of the electromagnetic pen) of the electromagnetic pen are finally induced.

It should be further noted that, the foldable drawing board disclosed in the present invention, the electromagnetic pen is a passive wireless electromagnetic pen, and has no power supply, and by absorbing the magnetic field of the electromagnetic unit 11, the electromagnetic pen accumulates energy to transmit electromagnetic signal to the electromagnetic unit 11, and then interacts with the magnetic field of the electromagnetic unit 11 to work, because only the electromagnetic unit 11 has magnetic field radiation, the electromagnetic pen has no extra magnetic field radiation, so the generated radiation is minimal, and has no influence on human body for a long time, in addition, no battery is needed, and the environmental protection is not affected (the current selling is not accurate abroad or the selling of a charged battery is limited, just because of environmental protection problem), the electromagnetic pen is light, the thickness is self-determined, and most importantly, the performance is very stable, because the drawing board is generally connected to the USB interface 6 of a computer or a mobile terminal by a data line, is powered by the USB interface 6, the power of the USB interface 6 is constant, that is to say, the magnetic field generated by the drawing board through the power supply of the USB interface 6 is very stable and has strong anti-interference capability.

During storage, the shortcut unit 3 and the wireless charging unit 5 are folded towards the body 1 relatively, each first connecting piece 2 moves towards the body 1 along with the shortcut unit 3 and closes, each second connecting piece 4 also moves towards the body 1 along with the wireless charging unit 5 and closes, then the shortcut unit 3 and the wireless charging unit 5 are respectively superposed at two ends of the body 1, and the shortcut unit 3 and the wireless charging unit 5 are spliced into a plane, so that the overall volume of the equipment is reduced, and the equipment is more convenient to store and carry; during the use, only need with swift unit 3 and the reverse expansion of wireless charging unit 5 respectively, make swift unit 3, wireless charging unit 5 and body 1 be in the coplanar can, it is light convenient to receive and release.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

It should be noted that in the description of the present invention, the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

It is to be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other, so that the specific meaning of the terms in the invention can be understood by those skilled in the art.

Furthermore, need to explain, the utility model discloses the standard parts that use all can purchase from the market, if relate to special-shaped, all can customize according to the description of the description with the drawing, and the concrete joining mode of each part all adopts conventional means such as ripe screw/bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model is no longer repeated here.

It is right only to go up the preferred embodiment of the utility model discloses a it is not right the utility model discloses a scope is injectd, the event is not deviating from the utility model relates to an under the prerequisite of spirit, ordinary engineering technical personnel in the field is right the equivalent change or the decoration that structure, characteristic and principle do, all should fall into the utility model discloses the protection within range of applying for a patent.

Claims

1. The utility model provides a foldable drawing board, includes body and electromagnetism pen, inlays on this body and is equipped with the electromagnetism unit, and this electromagnetism unit is used for forming a magnetic field region on the body, its characterized in that: the body embeds there is the control unit, and this control unit and electromagnetism unit electric connection, and one of them side of this body is connected with a swift unit through at least one first connecting piece, and this swift unit carries out swift function operation when being used for the electromagnetism pen to operate on the electromagnetism unit, and this body opposite side is through at least one second connecting piece and a wireless charging unit electric connection, inlays on this wireless charging unit and establishes a USB interface, and this USB interface is used for cooperating the data line to be connected with computer or mobile terminal.

2. A foldable drawing tablet according to claim 1, characterised in that: one side of the body is provided with at least one first hinge cut, one end of the first connecting piece is hinged to the corresponding first hinge cut, the other side of the body is provided with at least one second hinge cut, and one end of the second connecting piece is hinged to the corresponding second hinge cut.

3. A foldable drawing tablet according to claim 1, characterised in that: one side of the control unit of the body is provided with a first flexible circuit board which penetrates out of one side of the body and is electrically connected with the shortcut unit, the other side of the control unit is provided with a second flexible circuit board which penetrates out of the other side of the body and is electrically connected with the wireless charging unit, and the control unit comprises a processor.

4. A foldable drawing tablet according to claim 3, characterised in that: the shortcut unit is provided with at least two function shortcut keys, the function shortcut keys are used for a user to send shortcut function trigger signals to the processor of the control unit when the user operates the shortcut unit, and the function shortcut keys are electrically connected with the first flexible circuit board.

5. A foldable drawing tablet according to claim 3, characterised in that: the other side of the shortcut unit is provided with a touch pad, the touch pad is used for self-defining the shortcut function combination key and sending a self-defining function trigger signal to a processor of the control unit, and the touch pad is electrically connected with the first flexible circuit board.

6. A foldable drawing tablet according to claim 3, characterised in that: the wireless charging unit is internally provided with a wireless charging coil and a power supply regulation and control module electrically connected with the wireless charging coil, the power supply regulation and control module is respectively electrically connected with the USB interface and the second flexible circuit board, and a wireless charging panel is arranged at the position, corresponding to the wireless charging coil, of the wireless charging unit.

7. A foldable drawing tablet according to claim 6, characterised in that: one side of the upper surface of the wireless charging unit is also provided with at least one indicator light, the indicator light is used for prompting whether the equipment is in a normal working state or not, and the indicator light is electrically connected with the power supply regulation and control module.

8. A foldable drawing tablet according to claim 1, characterised in that: the electromagnetic unit comprises a sensing plate embedded on the surface of the body and a plurality of circulating coils arranged below the sensing plate in a longitudinal and transverse distribution mode, each circulating coil is electrically connected with a processor of the control unit, and the processor is used for scanning each circulating coil to obtain the coordinate, the gradient and the operating state signals of the electromagnetic pen on the electromagnetic unit.