CN105975014B - A rotatable tablet protective case with touch input function - Google Patents

Abstract

The invention discloses a rotatable protective case for a tablet computer with a touch input function. Oxygen fiberglass board and three-dimensional shaft. The fiber unit is used to cover the second surface, the third surface and the fourth surface of the protective shell; the mylar sheet unit is used to protect the touch sensing unit and provide touch input assistance; the touch sensing unit is used for Identify the touch signal input; the control board is used to collect and transform the touch signal of the touch sensing unit to perform data interaction and power system management with the tablet computer through the bluetooth system; the shell is used to completely carry and match the shape of the tablet computer and provide the main protection function The epoxy glass fiber board is used to support the shell and provide protection to the shell; the three-dimensional rotating shaft connecting the shell and the epoxy glass fiber plate is used to rotate or reverse the shell carrying the tablet computer in three-dimensional space.

Description

A rotatable tablet protective case with touch input function

technical field

The invention relates to a protective case for a tablet computer, in particular to a rotatable protective case for a tablet computer with a touch input function.

Background technique

Compared with traditional notebook computers, tablet computers are lighter and easier to carry, and compared with mobile phones, they have the advantages of larger viewing area. In work and life, tablet computers occupy an irreplaceable position.

The tablet itself does not have a physical keyboard and touchpad, which brings great inconvenience to people who are accustomed to using traditional notebooks. Currently, the keyboard and touchpad that are matched with the tablet on the market are all external and heavy and difficult to carry.

In addition, when the tablet computer is placed on the desktop, the traditional protective case cannot fix and support the tablet computer on the desktop at a random angle so that the user can obtain an optimal viewing angle.

Contents of the invention

Purpose of the invention: The purpose of the present invention is to solve the deficiencies in the prior art and provide a rotatable protective case for a tablet computer with a touch input function. The units are all buried inside the protective case, and the thickness is hardly increased on the basis of the original protective case. In addition, the present invention uses a three-dimensional rotating shaft to realize the function of rotation or flipping, so as to solve the problem that the protective case of the tablet computer in the prior art cannot be placed at any angle. The technical problem that the keyboard is too thick after adding the function of the keyboard touchpad.

Technical solution: A rotatable protective case for a tablet computer with a touch input function described in the present invention, the protective case includes:

Fiber unit: it includes three sides of superfine fiber reinforced leather, which are respectively positioned on the second surface, the third surface and the fourth surface;

Mylar sheet unit: it includes a plurality of Mylar sheets, respectively positioned on the first surface and the second surface;

Touch sensing unit: it includes a flexible printed circuit board positioned between the inner side of the first surface and the third surface and between the second and second surfaces and the epoxy glass fiber board;

Control board: it is positioned on the inner side of the second panel, and the control board includes a key switch, a charging interface, a power indicator, a touch control system, a bluetooth system and a power management system;

Ultra-thin lithium battery: it is positioned on the left inner side of the second first surface;

Shell: It is positioned on the upper side of the first surface and the second surface, and is connected with the epoxy glass fiber board through a three-dimensional rotating shaft;

epoxy fiberglass board: it is positioned on the second first surface, between the second second surface and the fourth surface;

Three-dimensional rotating shaft: It is positioned at the connection between the shell and the epoxy glass fiber board.

Further, the superfine fiber reinforced leather on the second surface and the superfine fiber reinforced leather laminate on the fourth surface are connected with the epoxy glass fiber board and the flexible printed circuit board on the inside; the third surface The microfiber-reinforced leather is glued to the flexible printed circuit board on the inside.

Further, the three Mylar sheets positioned on the first surface are connected with the inner flexible printed circuit board by adhesive, and the Mylar sheets positioned on the second surface and the inner epoxy glass fiber board are connected by adhesive. Adhesive connection.

Further, the surface of the Mylar sheet is drawn with button symbols, touchpad symbols and touch function indication areas.

Further, the flexible printed circuit board uses a polyester film as a base material, and has induction pattern circuits printed on both sides of the board.

Further, the control main board uses a flexible printed circuit board as a substrate, and the substrate is covered on the epoxy glass fiber board with adhesive, and the components of the control main board are embedded in the hollowed out area of the epoxy glass fiber board.

Further, the key switch on the control board, the charging interface and the power indicator are embedded in the hollowed-out area of the epoxy glass fiber board and positioned in the center of the right side of the second surface and arranged horizontally.

Further, the ultra-thin lithium battery has a moderate volume and is embedded in the hollowed-out area of the epoxy glass fiber board; the casing is made of PC material, and its shape conforms to a tablet computer.

Further, the three-dimensional rotating shaft is positioned at the middle position on the left side of the second first surface, and the three-dimensional rotating shaft is fixedly connected with the shell and the epoxy glass fiber board by screws, and the three-dimensional rotating shaft is supported to rotate by the epoxy glass fiber board Or flip the case over.

Further, a flexible printed circuit board is used for electrical connection between the ultra-thin lithium battery and the control main board.

Beneficial effect: Compared with the prior art, the protective case provided by the present invention is embedded with a keyboard and touchpad device, which can rotate or flip the tablet computer in three-dimensional space and provide good support, making the entire protective case light and ultra-thin and improving the texture of use.

Description of drawings

Fig. 1 is a schematic diagram of a three-dimensional composition structure 10 of the present invention;

FIG. 2 is a schematic diagram of a preferred first embodiment 20 of the present invention;

FIG. 3 is a schematic diagram of a preferred second embodiment 30 of the present invention;

FIG. 4 is a schematic diagram of the touch area of the touch sensing unit of the present invention 40 .

Detailed ways

Below in conjunction with specific accompanying drawing and embodiment the technical scheme of the present invention is described in further detail:

Please refer to FIG. 1 . FIG. 1 is a three-dimensional structural diagram of a protective case 10 for a rotatable tablet computer with a touch input function according to the present invention. The protective case 10 includes a first surface 1001, and the first surface 1001 is composed of mylar sheets 101, 102, 103; the protective case 10 includes a second first surface 1021, and the second first surface 1021 is composed of microfiber reinforced leather 33; the protective case 10 Including the second two surfaces 1022, the second two surfaces 1022 are made of mylar sheet 104; the protective shell 10 includes the third surface 1003 and the fourth surface 1004 are respectively made of superfine fiber reinforced leather 31 and 32; the protective shell 10 is also Including the casing 61, the exterior surface portion of the protective case 10 is constituted by the above basic components.

The first surface 1001 of the protective case 10 completely covers the surface glass of the display screen of the tablet computer in the casing when the tablet computer is not in use. When providing collision buffer.

The main components of the first surface 1001 are three Mylar sheets 101, 102, and 103 with the same length and size, arranged in sequence from left to right on the first surface 1001, and the gap between the Mylar sheets 101, 102, and 103 is 0.5 mm, leaving a gap It is convenient for the user not to bend the mylar sheet 101 , 102 , 103 when opening the first surface 1001 , so as to prevent excessive deformation from affecting touch-control use.

The underside area of the Mylar 101 surface is drawn with a touchpad area 911, within the scope of the touchpad area 911, the user can realize the functions of the touchpad on the notebook computer, and the touchpad area 911 supports single finger and multi-finger gestures and other functions.

Touch functional areas 91, 92 are drawn on the surface of the mylar sheet 102, 103, a keyboard area 931 is drawn within the scope of the touch functional area 91, 92, and each button graphic of a standard keyboard is drawn within the keyboard area 931 to assist the user to touch Enter use.

The touchpad area 911 is drawn with a dot with a diameter of 3 mm in the upper right corner area, and the dot is the touch mode switching key 921 . The touch mode switching key 921 provides three kinds of touch function mode switching, initial state, full touch function mode 1, full touch function mode 2 and full touch function mode 3, after the key switch 45 is turned on, the touch function mode is the initial state

The second surface 1022 of the protective case 10 is composed of a Mylar sheet 104, and the surface of the Mylar sheet 104 is drawn with a touch function area 93. The functional area 92 constitutes a touch effective area.

The instructions for using the touch mode switching key 921 are as follows: if a single finger clicks the touch mode switching key 921 twice continuously, the touch function area 91, 92 will switch to full touch function mode 1. In this mode, touch the function area 91, 92 fully realize the touch screen function of the tablet computer, and the touch panel area 911 is effective. In this full touch function mode, the touch screen function of the tablet computer is completely mapped in the touch function area 91, 92 in the same direction. Run some games and other applications when the display area of the tablet is blocked, and release the occlusion caused by the tablet itself when it is used with a finger touching the screen.

If a single finger clicks the touch mode switching key 921 three times continuously, then the touch function area 91 becomes invalid, and the touch function areas 92 and 93 effectively realize the second full touch function mode, the touch panel area 911 is valid, and the second full touch function mode is equally complete. To realize the touch screen function of the tablet computer, the touch screen function of the tablet computer under the full touch function mode 2 is completely mapped in the touch function area 92, 93 in the same direction. Compared with the full touch function mode 1, the size of the full touch function mode 2 in the horizontal X direction Longer, it can better support applications with a large proportion of the horizontal X direction, such as playing the piano.

If a single finger continuously clicks the touch mode switching key 921 four times, then the functions of the touch function areas 91, 92, 93 and the touch pad area 911 are valid at the same time. This mode is full touch function mode three. Press and hold the touch mode switching key 921 for more than three seconds, then the touch function mode switches back to the default state.

The second first surface 1021 of the protective case 10 is composed of superfine fiber reinforced leather 33, the thickness of the superfine fiber reinforced leather 33 is about 0.3 mm, the surface is non-slip and not easy to scratch, the second first surface 1021 and the second two Surface 1022 has a height difference of about 0.2 millimeters due to stacking differences in the vertical Y direction. When the tablet computer is dropped, the microfiber reinforced leather 33 can provide a certain degree of cushioning due to the soft surface quality, and because the second one The height difference between the surface 1021 and the second two surfaces 1022 can increase a level of cushioning.

The components of the third surface 1003 and the fourth surface 1004 of the protective case 10 are also made of superfine fiber reinforced leather 31, 32 respectively. The reinforced leather 31 and the microfiber reinforced leather 32 are sewn with double threads, and this connection improves the appearance and texture.

The microfiber-reinforced leather 31, 32 formed by the third surface 1003 and the fourth surface 1004 of the protective case 10 will be turned up to the first surface 1001, the surrounding edges of the second first surface 1021 and the second second surface 1022, The width of the turn-up at the edges of the first surface 1001, the second first surface 1021, and the second second surface 1022 is about 0.3 millimeters, and double-thread sewing is used at the surrounding edges of the protective case 10 to enhance the appearance and texture of the overall protective case 10 At the same time, it is buffered to improve the protection ability of the tablet computer.

The fourth surface 1004 is precisely hollowed out at the position of the camera component in the back area of the tablet computer. The size of the hollowed out area will be expanded by about 0.5-1 mm relative to the shape of the camera component, and the superfine fiber reinforced leather 32 at the hollowed out border is sewn with double threads Reinforcement prevents the microfiber-reinforced leather at the hollow boundary from being damaged due to abrasion or other factors, and ensures that the back material of the fourth surface area of the protective case 10 will not block and interfere with light when the camera assembly is working.

The microfiber reinforced leather 31, 32 has a thickness of about 0.3 mm, and the surface is also non-slip and not easy to scratch, which can effectively protect the tablet computer from being damaged due to accidental drop.

The casing 61 of the protective case 10 is made of high-quality PC material with high precision processing, so that the shape is completely consistent with the tablet computer, and the position of the user interaction area such as the data charging interface, the speaker, the touch screen area, and the camera component is precisely hollowed out. On the edge of the display area of the computer display screen, the casing 10 will grow 0.2mm upward to the edge of the tablet computer in the direction perpendicular to the display screen. Time to provide buffer protection.

The casing 61 is fixedly connected with the action metal platelet of the three-dimensional rotating shaft 81 at the upper position on the left side by screws.

The flexible printed circuit board 21 of the protective case 10 is respectively attached between the first surface 1001 and the third surface 1003 and between the second two surfaces and the epoxy glass fiber board 71 in position. The board 21 is analogous to the touch functional areas 91, 92, 93 and the touch pad area 911 in appearance, and will expand about 0.5 millimeters in size relative to the touch functional areas 91, 92, 93 and the touch pad area 911. The millimeter-sized space is used to place the circuit connection wires.

The upper and lower sides of the flexible printed circuit board 21 are respectively etched with an induction pattern circuit, and the induction pattern circuit charges and discharges the induction pattern circuit through the touch control system to sense the first surface 1001 and the second two surfaces during normal operation. 1022 the touch action of the above finger.

The touch control system and the flexible printed circuit board 21 are electrically and physically connected through the flexible printed circuit board 25, and the touch function provided by the touch control system and the flexible printed circuit board 21 adopts projected capacitive sensing The principle is that it can truly sense the gestures of up to 30 fingers. In the case of full touch function mode 1, full touch function mode 2 and full touch function mode 3, when some specific applications are used, the touch control supports up to 30 fingers. The function of root finger gesture action can facilitate multiple users to perform touch operations at the same time, for example, three users can form a band to play with touch actions at the same time.

The touch control system has an intelligent power-saving function, and the touch control system can intelligently control the charge and discharge of the flexible printed circuit board 21 according to the number of fingers on the touch function areas 91, 92, 93 and the frequency of touch actions to save energy. use electricity. The touch control system also has a noise filtering function. If the touch function areas 91, 92, 93 and the touch panel area 911 are stained with water stains, beverages, or dust, it will not affect the recognition and accuracy of normal finger movements. The touch control system also has a palm filtering function. When the user touches normally, if the palm touches the touch function areas 91, 92, 93 or the touchpad area 911, the recognition and accuracy of normal finger movements will not be affected.

The touch control system also has an abnormal state protection function. In the case that the flexible printed circuit board 21 is bent or curled, in order to prevent the tablet computer from acting in disorder, the touch function areas 91, 92, 93 and the touch panel area 911 The touch function will be closed until the user turns on the key switch 45 again.

The touch function areas 91 , 92 , and 93 supported by the touch control system can be flexibly switched on and off using the touch mode switching key 921 .

The epoxy glass fiber board 71 , which is a component of the protective case 10 , is attached on the fourth surface 1004 , and its external dimensions are similar to those of the fourth surface 1004 and retracted by 0.3 mm.

The thickness of the epoxy fiberglass board 71 is about 0.8 mm, and the inside is hollowed out according to actual needs. The relative position inside the control board 41 is hollowed out to embed the components of the touch control system, bluetooth system and power management system on the control board 41, on the right The edge of the side center position is hollowed out for embedding the key switch 45 on the control board, the charging interface 46 and the power indicator light 47 .

The epoxy glass fiber board 71 is hollowed out at the position relative to the ultra-thin lithium battery 51 to embed the ultra-thin lithium battery 51. The battery 51 is physically protected. The epoxy fiberglass board 71 is also hollowed out by 0.5-1 mm relative to the camera assembly of the tablet computer, and the epoxy fiberglass board 71 is fixedly connected with the supporting metal platelet of the three-dimensional rotating shaft 81 at the upper right position on the left side.

The three-dimensional rotating shaft 81 of the protective case 10 is made of finely processed high-quality stainless steel metal, and has a compact size and light weight. The three-dimensional rotating shaft 81 can be rotated or flipped flexibly, and it can be used for many times for a long time without jamming or abnormal friction noise.

The three-dimensional rotating shaft 81 is structurally fixedly connected to the epoxy glass fiber board 71 by using a supporting metal plate, and is fixedly connected to the housing 61 by using an action metal small plate; The oxygen glass fiber board 71 rotates 360 degrees around the Z-axis direction and flips 180 degrees around the Y-axis direction in three-dimensional space. Through the three-dimensional rotating shaft 81, the housing 61 and the epoxy glass fiber board 71, the user can easily adjust the plate The computer is rotated and flipped for use, and the specific implementation is illustrated in Fig. 2 and Fig. 3 .

The ultra-thin lithium battery 51 of the protective case 10 is embedded in the epoxy glass fiber board 71 and is located in the upper left area of the epoxy glass fiber board 71. The ultra-thin lithium battery 51 provides the power supply for the entire protective case electrical system. The overall thickness of the ultra-thin lithium battery 51 is less than 0.5 millimeters, and the unit energy density is relatively high. In this embodiment, an ultra-thin lithium battery with a size of 3 cm x 5 cm can provide electricity for the entire protective case power system for three to four days. Thanks to the power management system, the ultra-thin lithium battery can be fully charged in half an hour to an hour under normal conditions.

The control board 41 of the protective case 10 is attached to the second surface 1022 and the epoxy glass fiber board 71 at the center right position. The base material of the control board 41 is made of high-quality flexible printed circuit board, so that the control board 41 When components are embedded in the epoxy glass fiber board 71 , they can be closely attached to the upper surface of the epoxy glass fiber board 71 . The control board 41 is the core component of the entire electrical system of the protective case, including a touch control system, and the flexible printed circuit board 25 is used to electrically connect the touch control system with the flexible printed circuit board 21 .

The touch control system manages the charging and discharging of the sensing patterns on the flexible printed circuit board 21, collects and converts the signals fed back from the sensing patterns on the flexible printed circuit board 21, and calculates the coordinate information package through the control The circuit on the main board 41 is delivered to the bluetooth control system which controls the components of the main board 41 .

The bluetooth control system will enter the waiting matching state after the key switch 45 is turned on, and will remember it to facilitate the next fast and effective connection matching after the tablet computer is correctly matched. The coordinate information package transmitted by the touch control system is transmitted to the tablet computer through the bluetooth interface for corresponding actions.

The power management system of the components of the control board 41 will first check whether the charging input meets the predetermined charging specifications of the power management system when the charging interface 46 on the right side of the epoxy glass fiber board 71 has charging access. Then intelligently control the charging voltage and current to charge the ultra-thin lithium battery 51 and detect the remaining power of the ultra-thin lithium battery 51 in real time to avoid overcharging.

Another main function of the power management system is to draw charge from the ultra-thin lithium battery 51, convert the voltage and current according to the different requirements of the touch control system and the Bluetooth system, and provide power for the touch control system and the Bluetooth system. Monitor the remaining power of the ultra-thin lithium battery 51 to avoid permanent damage caused by over-discharge of the ultra-thin lithium battery 51.

The power management system will also monitor the surface temperature of the ultra-thin lithium battery 51 in real time. If the temperature is too high and abnormal, the power management system will cut off the circuit of the ultra-thin lithium battery 51 . The key switch 45 of the component of the control main board 41 is used to open and close all the electrical systems on the control main board 41, and all touch operations of the protective shell 10 need to turn on the key switch 45 to be effective. When the touch function is not needed, the key switch 45 can be turned off to save power.

The electric quantity indicating lamp 47 of the component of this control main board 41 adopts red and blue two-color LED, after key switch is opened, always bright blue, shows red when electric quantity is insufficient, and red and blue two-color display alternately during charging situation.

The protective case 10 can be customized according to different brands and models of the tablet computer in terms of its external dimensions, keyboard key specifications, hollowed-out areas, and charging interface specifications.

The overall thickness of the protective case 10 from the first surface 1001 to the third surface 1003 is about 0.5 mm, and the thickness from the second surface to the fourth surface is about 1.5 mm. The thickness of the casing 61 will be determined according to the specifications of the tablet computer. All the attachments on the lamination of the protective case 10 are pasted with 3M468 double-sided adhesive tape, and the protective case 10 as a whole has the characteristics of being thin and easy to use.

The touch function and the bluetooth communication function realized by the protective case 10 will have related APP and other applications installed in the tablet computer system to realize the analysis of corresponding functions and the interaction of data information, and the APP and other applications can be downloaded and installed through the online store . The protective case 10 benefits from the use of a flexible printed circuit board as the induction pattern circuit and electrical connection, and the use of epoxy glass fiber boards to embed various components, so the overall safety and reliability are very high, and it is not easy to be damaged or invalidated.

Please refer to FIG. 2 . FIG. 2 is a schematic diagram of a first embodiment 20 of the protective case 10 of the present invention.

In Fig. 2, it includes a first surface 1201 of schematic components, a housing 62, mylar sheets 105, 106, 107, a touch panel area 912, a touch mode switching key 922, a touch function area 94, 95, a three-dimensional rotating shaft 82, a keyboard area 932, and a mobile Path arrow 222 .

In FIG. 2 , the casing 62 is flipped around the Y axis along the moving path arrow 222 , so that the tablet computer presents a most comfortable viewing angle when facing the user.

In 2, the first surface 1201 is mainly composed of Mylar sheets 105, 106, 107. The Mylar sheets 105, 106, 107 have the same shape and size, and are arranged in order from top to bottom with an equal gap of 0.5 mm.

In FIG. 2 , touch function areas 94 , 95 and a keyboard area 932 are drawn on the surface of the mylar sheets 105 , 106 . A touchpad area 912 is drawn on the right side area of the surface of the Mylar sheet 107 , and a dot area of a touch mode switching key 922 is drawn on the upper left corner of the touchpad area 912 .

In FIG. 2 , the three-dimensional rotating shaft 82 is located at the left quarter of the upper boundary of the first surface 1201 .

In FIG. 2 , when the touch function mode is in the default state, the user can make gestures on the touchpad area 912 to control the mouse arrow in the tablet computer.

In FIG. 2 , when the touch function mode is in the default state, the user can also click the corresponding key graphic in the keyboard area 932 to realize keyboard key input.

In the first specific embodiment 20, the user can switch the touch function mode to full touch function mode 1 by clicking the touch mode switching key 922 twice continuously. In this state, the touchpad area 912 is valid, and the keyboard area 932 The function of the keyboard key is invalid, and the touch function area 94, 95 realizes the full touch function mode 1, and this function completely maps the touch screen area of the tablet computer itself in the same direction.

In the full touch function mode, the user can use a pencil and an eraser on the surface of the Mylar sheet 105, 106 to draw and write the position area of a specific tablet computer application to form an auxiliary effect on touch.

Please refer to FIG. 3 . FIG. 3 is a schematic diagram of a second embodiment 30 of the protective case 10 of the present invention.

In Fig. 3, the first surface 1301 of schematic components, the second surface 1322, the housing 63, the Mylar sheet 108, 109, 110, 111, the touch panel area 913, the touch mode switching key 923, the touch function area 96, 97, 98, and the moving path arrow are included. 333.

In FIG. 3 , the casing 63 rotates counterclockwise around the Z-axis direction along the movement path arrow 333, so that the tablet computer is horizontally parallel to the X-axis direction, and by turning back and forth in the Y-axis direction, the tablet computer faces the user. Present a most comfortable visual angle.

In FIG. 3 , the first surface 1301 is mainly composed of Mylar sheets 108 , 109 , 110 , and the second two surfaces 1322 are mainly composed of Mylar sheets 111 .

In FIG. 3 , a touchpad area 913 is drawn on the lower area of the mylar sheet 108 , and a dot area of a touch mode switching key 923 is drawn on the upper right corner of the touchpad area 913 .

In FIG. 3 , the upper half of the surface of the Mylar sheet 109 , 110 is drawn with a touch functional area 98 , and the lower half is drawn with a touch functional area 97 .

In FIG. 3 , a touch function area 97 is drawn on the surface of the mylar sheet 111 .

In FIG. 3 , the three-dimensional rotating shaft 83 is located at a quarter of the right side boundary of the first surface 1301 from top to bottom.

In Fig. 3, the user needs to click the touch mode switching key 923 three times continuously to realize the second full touch function mode. At this time, the touch function areas 96 and 97 are valid, and the touchpad area 913 is valid. The touch screen of the computer itself is completely mapped to the touch function areas 96 and 97 in the same direction, and the touch panel area 913 can realize mouse actions at the same time.

In Fig. 3, the user needs to click the touch mode switching key 923 four times continuously to realize the third full touch function mode. At this time, the touch function areas 96, 97, and 98 are all valid at the same time, and the touchpad area 913 is valid. In this full touch function mode In the three cases, the touch screen mapping method of the tablet computer itself is to divide the touch screen area of the tablet computer itself into a first area 301 , a second area 302 , and a third area 303 from left to right.

The first area 301 is completely mapped to the touch function area 98 in the same direction, the second area 302 is completely mapped to the touch function area 96 in the same direction, and the third area 303 is completely mapped to the touch function area 97 in the same direction.

In the second embodiment 30, when in the three situations of the full touch function mode, the touch screen space of the tablet computer itself is mapped to the touch function area 96, 97, 98 with the maximum area, and the surface of the Mylar sheet 108, 109, 110, 111 can be used The user uses a pencil to draw a mark to provide touch position mapping assistance, and the surface of the Mylar sheet 108, 109, 110, 111 can be repeatedly written with a pencil and an eraser.

Please refer to FIG. 4 . FIG. 4 is a schematic diagram of the touch area 40 of the touch sensing unit of the protective case 10 of the present invention.

In Fig. 4, the first surface 1401, the second surface 12, the mylar sheet 112, 113, 114, 115, the touch function area 99, 991, 992, the touch panel area 914, the touch mode switching key 924, the keyboard area 933 and the flexible printed circuit board are included. 26.

The Mylar sheet 112 , 113 , 114 is positioned on the first surface 1401 , and the Mylar sheet 115 is positioned on the second surface 12 .

The flexible printed circuit board 26 is attached under the mylar sheets 112, 113, 114, 115 on the stack, and the left and right parts are respectively attached to the third surface (not marked in Fig. 4) and the epoxy glass fiber board (not marked in Fig. 4). ), the flexible printed circuit board 26 is etched with induction pattern circuits on both sides.

In FIG. 4 , the flexible printed circuit board 26 marks the outline area of the touch sensing unit in the embodiment of the protective case 10 of the present invention.

The touch area 40 of the touch sensing unit clearly shows the distribution of touch function-related areas in the protective case 10 .

The above descriptions are only preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been presented as above with preferred embodiments, it is not intended to limit the present invention. Anyone familiar with this field Those skilled in the art, without departing from the scope of the technical solution of the present invention, can use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes. Any simple modifications, equivalent changes and modifications made to the above embodiments by the technical essence still belong to the scope of the technical solution of the present invention.

Claims (10)

1. Rotatable panel computer protective housing of area touch-control input function, its characterized in that: the protective housing includes: fiber unit: the three-sided superfine fiber reinforced leather comprises three-sided superfine fiber reinforced leather, wherein the three-sided superfine fiber reinforced leather is positioned on a second surface, a third surface and a fourth surface respectively; mylar Unit: the device comprises a plurality of Mylar sheets respectively positioned on a first surface and a second surface; touch sensing unit: the flexible printed circuit board is positioned between the inner side of the first surface and the third surface and between the second surface and the epoxy glass fiber board; and (3) a control main board: the control main board comprises a key switch, a charging interface, an electric quantity indicator lamp, a touch control system, a Bluetooth system and a power management system; ultra-thin lithium battery: positioned on the left inner side of the second surface; a shell: the glass fiber reinforced plastic plate is positioned on the upper sides of the first surface and the second surface and is connected with the epoxy glass fiber board through a three-dimensional rotating shaft; epoxy glass fiber board: it is positioned between the second surface and the fourth surface; three-dimensional pivot: it is positioned at the junction of the housing and the epoxy fiberglass panel; a first surface comprising a Mylar; three Mylar pieces of the main component of the first surface have the same length and the same length, and are sequentially arranged from left to right on the first surface, and gaps between the Mylar pieces which are sequentially arranged are 0.5 millimeter; the second surface is formed by superfine fiber reinforced leather; the superfine fiber reinforced leather surface is anti-skid, and the second surface have height difference in the vertical Y direction due to lamination difference; the second surface is formed by a Mylar film; the surface of the Mylar film is drawn with a touch functional area; the third surface and the fourth surface are respectively composed of superfine fiber reinforced leather; the first surface of the protective shell is completely covered on the surface glass of the display screen of the tablet personal computer in the shell when the tablet personal computer is not in use; the superfine fiber reinforced leather formed by the third surface and the fourth surface of the protective shell can be reversely wrapped to the peripheral edges of the first surface, the second surface and the second surface; the first surface and the third surface are positioned at the same side of the shell, and the first surface is positioned at the upper end of the third surface; the second surface, the second surface and the fourth surface are positioned at the other same side of the shell and are arranged from top to bottom.

2. The rotatable tablet computer protective housing with touch input function of claim 1, wherein:

the superfine fiber reinforced leather on the second surface and the superfine fiber reinforced leather on the fourth surface are laminated and connected with the epoxy glass fiber board and the flexible printed circuit board on the inner side by adopting gluing; the superfine fiber reinforced leather on the third surface is connected with the flexible printed circuit board on the inner side by adopting gluing.

3. The rotatable tablet computer protective housing with touch input function of claim 1, wherein:

the three Mylar sheets positioned on the first surface are connected with the flexible printed circuit board on the inner side by adopting gluing, and the Mylar sheets positioned on the second surface are connected with the epoxy glass fiber board on the inner side by adopting gluing.

4. The rotatable tablet computer protective case with a touch input function according to claim 1 or 3, wherein: and key symbols, touch pad symbols and touch function indication areas are drawn on the surface of the Mylar film.

5. The rotatable tablet computer protective housing with touch input function of claim 1, wherein:

the flexible printed circuit board adopts a polyester film as a base material, and induction pattern circuits are printed on the surfaces of two sides.

6. The rotatable tablet computer protective housing with touch input function of claim 1, wherein:

the control main board adopts a flexible printed circuit board as a substrate, the substrate is adhered and covered on the epoxy glass fiber board, and components of the control main board are embedded in the hollowed-out area of the epoxy glass fiber board.

7. The rotatable tablet computer protective case with a touch input function according to claim 1 or 6, wherein: the key switch on the control main board, the charging interface and the electric quantity indicator lamp are embedded in the hollowed-out area of the epoxy glass fiber board and positioned at the right side of the second surface to be horizontally arranged.

8. The rotatable tablet computer protective housing with touch input function of claim 1, wherein:

the ultrathin lithium battery is moderate in volume and is embedded in the hollowed-out area of the epoxy glass fiber board; the shell is made of PC materials, and the shape of the shell is identical to that of the tablet personal computer.

9. The rotatable tablet computer protective housing with touch input function of claim 1, wherein:

the three-dimensional rotating shaft is positioned at the left side central position of the second surface, the three-dimensional rotating shaft is fixedly connected with the shell and the epoxy glass fiber board through screws, and the three-dimensional rotating shaft supports the rotating or overturning shell through the epoxy glass fiber board.

10. The rotatable tablet computer protective housing with touch input function of claim 1, wherein: and the ultrathin lithium battery is electrically connected with the control main board by adopting a flexible printed circuit board.