WO2020047744A1 - 手写笔 - Google Patents

手写笔 Download PDF

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Publication number
WO2020047744A1
WO2020047744A1 PCT/CN2018/103971 CN2018103971W WO2020047744A1 WO 2020047744 A1 WO2020047744 A1 WO 2020047744A1 CN 2018103971 W CN2018103971 W CN 2018103971W WO 2020047744 A1 WO2020047744 A1 WO 2020047744A1
Authority
WO
WIPO (PCT)
Prior art keywords
refill
pen
stylus pen
pressed
sliding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/103971
Other languages
English (en)
French (fr)
Inventor
秦涛
高洋
王朝纲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Royole Technologies Co Ltd
Original Assignee
Shenzhen Royole Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Royole Technologies Co Ltd filed Critical Shenzhen Royole Technologies Co Ltd
Priority to CN201880094158.6A priority Critical patent/CN112639693A/zh
Priority to PCT/CN2018/103971 priority patent/WO2020047744A1/zh
Publication of WO2020047744A1 publication Critical patent/WO2020047744A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of two-dimensional [2D] relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser

Definitions

  • the present application relates to the technical field of stylus pens, and in particular, to a stylus pen.
  • the present application provides a stylus pen capable of automatically recognizing the color of a refill.
  • An embodiment of the present application provides a stylus.
  • the stylus pen includes a pen case and a plurality of refills arranged in the pen case.
  • the stylus pen further includes a plurality of state detection units, wireless transmitting devices and controllers corresponding to the plurality of refills.
  • the state detection unit and the wireless transmitting device are both electrically connected to the controller, the state detection unit detects a pressing state of a corresponding refill, and generates an induction signal when the corresponding refill is pressed, the The controller receives the sensing signal and recognizes the color of the pressed core according to the sensing signal and controls the wireless transmitting device to output a core color signal corresponding to the color of the pressed core to an external device.
  • a state detection unit is added, the state detection unit detects a pressing state of a corresponding refill, and generates a sensing signal when the corresponding refill is pressed, and the controller receives the Sensing the signal and recognizing the color of the pressed refill and controlling the wireless transmitting device to output a refill color signal corresponding to the color of the pressed refill to an external device.
  • the currently pressed refill can trigger the state detection unit, so that the state detection unit sends a sensing signal to the controller, so The controller receives the sensing signal, recognizes the color of the refill according to the sensing signal, and controls the signal generator to output a refill color signal corresponding to the refill color to an external device. Therefore, the stylus pen is compatible with refills of different colors, and can automatically recognize the color of the refills, which is convenient to use.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of a stylus pen according to a first embodiment of the present application.
  • FIG. 2 is an assembly diagram of the stylus pen with the pen cover omitted in FIG. 1.
  • FIG. 3 is a schematic structural diagram of another visual stylus of FIG. 2.
  • FIG. 4 is a schematic three-dimensional exploded structure diagram of the stylus pen in FIG. 1.
  • FIG. 5 is a schematic exploded perspective view of another visual stylus of FIG. 4.
  • FIG. 6 is a perspective structural diagram of the pressure sensor of the stylus pen in FIG. 4.
  • FIG. 7 is an assembly diagram of the pressure sensor in FIG. 6 with the housing omitted.
  • FIG. 8 is a schematic exploded perspective view of the pressure sensor in FIG. 6.
  • FIG. 9 is a cross-sectional view of the pressure sensor in FIG. 6 along the line IX-IX.
  • Fig. 10 is a cross-sectional view of the stylus pen taken along line X-X in Fig. 1.
  • FIG. 11 is an enlarged view of a part I in FIG. 10.
  • FIG. 12 is an enlarged view of part II in FIG. 10.
  • FIG. 13 is a schematic diagram of a three-dimensional structure of a stylus pen according to a second embodiment of the present application.
  • FIG. 14 is a schematic three-dimensional exploded structure diagram of the stylus pen in FIG. 13.
  • FIG. 1 shows the stylus pen 100 provided in the first embodiment of the present application
  • FIG. 2 shows the assembly diagram of the stylus pen 100 without the pen cover
  • FIG. 3 shows the stylus pen 100 omitted.
  • FIG. 4 is a schematic diagram showing a three-dimensional exploded structure of the stylus pen 100
  • FIG. 5 is a schematic diagram showing another visual three-dimensional exploded structure of the stylus pen 100.
  • the stylus pen 100 includes a pen case 10 and a plurality of refills 20 provided in the pen case 10.
  • the stylus pen 100 further includes a plurality of state detection units 41, a controller 511, and a wireless transmitting device 512 corresponding to the plurality of refills.
  • Both the state detection unit 41 and the wireless transmitting device 512 are electrically connected to the controller 511.
  • the state detection unit 41 detects a pressing state of the corresponding refill 20 and generates an induction signal when the corresponding refill 20 is pressed.
  • the controller 511 receives the induction signal and recognizes that the The color of the pressed refill 20 controls the wireless transmitting device 512 to output a refill color signal corresponding to the color of the pressed refill 20 to an external device.
  • At least two pen cores 20 of different colors are arranged in the pen cover 10.
  • four refills 20 of different colors are simultaneously provided in the pen case 10.
  • the four refills 20 of different colors correspond to one state detection unit 41, and the four refills 20 of different colors are pressed after being pressed. Both can trigger the corresponding state detection unit 41 and generate a corresponding sensing signal.
  • the stylus pen 100 when used, the user can only press to select one of the pen cores 20.
  • different colored refills 20 can generate different sensing signals after being pressed, so that the state detection unit 41 generates a sensing signal when the corresponding refill 20 is pressed and sends the corresponding sensing signal to the controller 511
  • the controller 511 receives the corresponding sensing signal and recognizes the color of the corresponding refill 20 and controls the wireless transmitting device 512 to output the corresponding refill color signal to an external device.
  • the state detection unit 41 is, for example, but not limited to, a push switch, a contact switch, or a pressure sensor. It can be understood that, in this embodiment, the external device is a device having a display function.
  • the controller 511 is configured to identify the color of the pressed core 20 according to a correspondence between a predefined sensing signal and the color of the core 20.
  • the external device receives the refill color signal output by the wireless transmitting device 512, and displays the corresponding refill color and the handwriting of the refill color.
  • the wireless transmitting device 512 is a Bluetooth radio frequency transmitter. In other embodiments, the wireless transmitting device 512 may also be WIFI, ZIGBEE or other radio frequency transmitters.
  • a first circuit board 51 is disposed in the pen case 10.
  • the controller 511 and the wireless transmitting device 512 are both disposed on the first circuit board 51.
  • Each stroke core 20 includes a hollow refill rod 21 and a pen tip 22 provided at an end of the refill rod 21.
  • the stylus pen 100 further includes a slide button 31 that can be in contact with the state detection unit 41.
  • the slide button 31 is disposed at an end of the pen core rod 21 away from the pen tip 22 and corresponds to one of the state detection units 41.
  • the stylus pen 100 is a capacitive pen.
  • the pen cover 10 includes a pen body 11 and a pen head 12 and a pen tail 13 respectively disposed at two ends of the pen body 11.
  • the pen tip 12 and the pen tip 13 and the pen body 11 can be connected by means of a snap connection or a magnetic connection.
  • both the pen tip 12 and the pen tip 13 are detachably connected to the pen body 11, for example, an internal thread is provided on the head or the tail of the pen body 11, and an inner thread is provided on the pen tip 12 and the pen tail 13.
  • the external threads corresponding to the threads facilitate assembly and maintenance of the stylus pen 100.
  • a plurality of card holes are provided around the head or the tail of the pen body 11, and the pen head 12 or the pen tail 13 is provided with elastic hooks corresponding to the plurality of card holes; or the head of the pen body 11 Or the tail is provided with a magnet, and the pen tip 12 or the pen tip 13 is provided with an iron piece corresponding to the magnet.
  • the pen body 11 is a hollow cylindrical cylinder.
  • the pen body 11 defines a plurality of first sliding grooves 101 through which the sliding buttons 31 pass.
  • the length direction of the first chute 101 is parallel to the length direction of the pen body 11.
  • Each first chute 101 is arranged side by side and spaced apart. Two adjacent first sliding grooves 101 are arranged in parallel.
  • the number of the first chute 101 is four. It can be understood that the number of the first chute 101 may be designed according to the required number of the refills 20, which is not limited herein.
  • each refill 20 represents a color.
  • each sliding button 31 is correspondingly connected to a core 20. It can be understood that the number of the sliding buttons 31 can be designed according to the required number of the pen cores 20, which is not limited herein.
  • the slide button 31 has an elongated structure.
  • Each slide button 31 includes a toggle block 311 and a guide post 312 inserted into the refill rod 21.
  • the toggle block 311 is housed in the first chute 101 and is exposed from the pen case 10. Specifically, the toggle block 311 is vertically disposed on the outer side of the top of the slider 31, and the guide post 312 is disposed on the bottom of the slider 31.
  • first guide slider 313 and a second guide slider 314 are provided on an inner side surface of the top of each slide button 31, and a dodge gap 315 is formed between the first guide slider 313 and the second guide slider 314.
  • the first guide slider 313 is disposed at the top of the inner side of the slider 31, and the second guide slider 314 is located away from the top of the slider 31 at the middle of the inner side or near the guide post 312.
  • the first guide slider 313 and the second guide slider 314 have a substantially tapered structure.
  • An inclined first guide sliding surface 3141 and a second guide sliding surface 3142 are provided on a side of the second guide slider 314 near the guide post 312, and the first guide sliding surface 3141 and the second guide sliding surface 3142 pass through a flat transition surface 3143.
  • connection that is, the first guide sliding surface 3141, the second guide sliding surface 3142, and the transition surface 3143 form a step surface.
  • the second guide sliders 314 of each slide button 31 are arranged side by side and abut on each other, so as to surround a side away from the first guide slider 313 to form a slot 316 that cooperates with the first guide slider 313. .
  • the first chute 101 has a first end 1011 and a second end 1012 opposite to each other. It can be understood that the first end 1011 of the first chute 101 is the end (ie, the top end) of the first chute 101 away from the pen tip 12, and the second end 1012 of the first chute 101 is the first chute 101 near the pen tip 12. One end (that is, the bottom end).
  • the pen tip 22 of the pen core 20 is in a non-stressed state, there is a gap D1 between the toggle block 311 of the slide button 31 and the first end 1011 of the first slide groove 101.
  • the toggle block 311 of the slide button 31 abuts against the first end 1011 of the first slide groove 101.
  • the state detection unit 41 is perpendicular to the toggle block 311 of the slider 31.
  • the state detection unit 41 is disposed on the second end 1012 of the first chute 101 and is exposed to the first chute 101.
  • An application (such as an APP) on an external device displays a preset handwriting color.
  • the preset handwriting color is black, thereby ensuring that the color can be displayed when using other stylus pens to write on an external device.
  • the toggle block 311 of the slide button 31 presses against the state detection unit 41, and one of them is The nib 22 of the refill 20 extends beyond the pen cover 10.
  • the state detection unit 41 detects a pressing state of the corresponding pen core 20 and generates a sensing signal when the corresponding pen core 20 is pressed, and the controller 511 receives the sensing signal and recognizes the pressed pen according to the sensing signal.
  • the color of the core 20 and controls the wireless transmitting device 512 to output a core color signal corresponding to the color of the pressed core 20 to an external device.
  • first position E1 refers to the initial position where the toggle block 311 is not pressed, that is, the position near the first end 1011 of the first chute 101
  • second position E2 refers to the position after the toggle block 311 is pressed. The position is near the second end 1012 of the first chute 101.
  • a pen core holder 32 and a plurality of springs 33 are further provided in the pen body 11.
  • the refill holder 32 is sleeved on all the refills 20.
  • Each spring 33 is sleeved on each refill rod 21 and is sandwiched between the corresponding slide button 31 and the refill base 32 to realize the movement of the refill 20 in the pen cover 10.
  • the refill base 32 is provided with a plurality of perforations 321 (see FIG. 12) through which the refill 20 passes.
  • a flange 322 (see FIG. 12) is provided on an inner wall of each of the perforations 321 of the refill base 32 near the slider 31 to hold the spring 33.
  • the refill holder 32 is disposed at a connection between the pen body 11 and the pen head 12 of the pen cover 10, and is held and fixed by the pen body 11 and the pen head 12 of the pen cover 10. It can be understood that, in another embodiment, the refill base 32 is slidably disposed in the pen body 11 of the pen cover 10.
  • the inner diameter of the spring 33 is greater than or equal to the diameter of the core rod 21 of the core 20, so that the spring 33 can be sleeved on the core 20.
  • the outer diameter of the spring 33 is greater than the diameter of the portion of the perforation 321 below the flange 322 (ie, the end of the perforation 321 near the pen tip 12), so that the spring 33 is sandwiched between the slide button 31 and the refill base 32.
  • the outer diameter of the spring 33 is smaller than the diameter of the hole 321 above the flange 322 (that is, the end of the hole 321 away from the pen tip 12), so that the hole 321 receives the spring 33.
  • a second circuit board 52, a sliding sleeve 60, a pressure sensor 70 and a battery 80 electrically connected to the pen core 20 are also provided in the pen case 10.
  • the second circuit board 52 is electrically connected to the first circuit board 51
  • the state detection unit 41 is fixed on the second circuit board 52
  • the second circuit board 52 is fixed on the sliding sleeve 60.
  • the sliding cover 60 is movably connected to the pen cover 10 through a toggle block 311 of the sliding button 31.
  • the sliding sleeve 60 defines a second sliding groove 601 corresponding to the first sliding groove 101, and the toggle block 311 of the sliding button 31 passes through the first sliding groove 101 and the second sliding groove 601 in sequence and exposes the pen body 11.
  • the state detection unit 41 is exposed to the first chute 101 and the second chute 601, and is directly opposed to the toggle block 311 of the slide button 31.
  • the second chute 601 has a first end 6011 and a second end 6012 opposite to each other.
  • the state detecting unit 41 is disposed at the second end 6012 of the sliding sleeve 60 near the second sliding groove 601.
  • the second circuit board 52 is disposed on the inner wall of the second end 6012 of the sliding sleeve 60 near the second sliding groove 601, so that the state detection unit 41 is exposed to the first sliding groove 101 and the second sliding groove 601.
  • the state detection unit 41 is disposed on the second circuit board 52 at intervals. Specifically, each state detection unit 41 is soldered on the second circuit board 52 and is electrically connected to the first circuit board 51 through a wire.
  • the second circuit board 52 is substantially annular. Each state detection unit 41 is directly opposed to the toggle block 311 of the corresponding slide button 31.
  • an end of the sliding sleeve 60 facing away from the pen tip 12 is provided with a substantially semi-cylindrical engaging portion 602.
  • An electrical connecting rod 603 electrically connected to the pressure sensor 70 is protruded along the longitudinal direction of the stylus 100 from the free end of the engaging portion 602.
  • the inner wall of the clamping portion 602 of the sliding sleeve 60 is provided with a positioning post 604 matching the positioning hole 501 of the first circuit board 51.
  • the first circuit board 51 is connected to the sliding sleeve 60 through the positioning hole 501 and the positioning post 604. .
  • the sliding sleeve 60 is made of a conductive material.
  • the conductive material is, for example, but is not limited to brass.
  • a baffle 605 is provided on the inner wall of the sliding sleeve 60 at a position adjacent to the first end 6011 of the second sliding groove 601 (as shown in FIG. 11).
  • the baffle 605 has a circular or circular structure. In other embodiments, the baffle 605 may also be an arc-shaped clamping block. The baffle 605 stops the first guide slider 313 corresponding to the refill 20 that is not pressed.
  • the sliding sleeve 60 is movably connected to the pen cover 10 through the sliding block 311 of the sliding button 31, and the first guide slider 313 of the sliding button 31 corresponding to the pressed core 20 is engaged with the slot 316
  • the sliding sleeve 60 and the refill 20 are linked, and a specific linkage manner will be described in detail later.
  • the stylus pen 100 further includes a pressure sensor 70.
  • the pressure sensor 70 is electrically connected to the controller 511 and is movably connected to the sliding sleeve 60.
  • the electrical connecting rod 603 of the sliding sleeve 60 can abut the pressure sensor 70.
  • the pressure sensor 70 sends a pressure-sensitive signal to the controller 511.
  • the controller 511 receives the pressure-sensitive signal and controls the wireless transmitting device 512 to send the pressure-sensitive signal to an external device.
  • the refill 20 and the slide button 31 are partially accommodated in the slide sleeve 60, and the refill seat 32 and the spring 33 are also housed in the slide sleeve 60.
  • An end of the refill rod 21 of the refill 20 remote from the pen tip 22 is connected to the guide post 312 of the slide button 31.
  • the slide block 311 of the slide button 31 When one of the slide buttons 31 is pressed, that is, the slide block 311 of the slide button 31 is located at the second position E2, the first guide slider 313 of the pressed slide button 31 is engaged with the slot 316, and the pen core 20 The nib 22 is exposed to the outside.
  • the toggle block 311 of the sliding button 31 passes through the second sliding groove 601 of the sliding sleeve 60 to expose the sliding sleeve 60.
  • the pressure sensor 70 includes a case 71, a metal electrode 72 fixedly disposed on the case 71, and a power movably disposed on the case 71.
  • the dielectric layer 73 is disposed between the metal electrode 72 and the conductive rubber 74.
  • the piston 76 is movably disposed in the housing 71 and is movably connected to the electric connecting rod 603 of the sliding sleeve 60 through the electric connecting member 78, so that both the piston 76 and the electric connecting member 78 can be linked with the pen core 20.
  • the piston 76 and the electrical connection member 78 are in a first position.
  • the conductive rubber 74 is in contact with the dielectric layer 73.
  • the casing 71 is generally a hollow cylindrical structure. Two opposite openings 711 are formed in the side wall of the end of the casing 71 for the metal electrode 72 to pass through.
  • the metal electrode 72 is fixed on the case 71. It can be understood that the metal electrode 72 may be detachably fixed to an end of the casing 71 away from the piston 76 in a buckle manner.
  • a corresponding latching block 712 is protruded from an outer wall of the casing 71 near each opening 711.
  • Two free ends of the metal electrode 72 are provided with engaging holes 721 which are matched with the engaging blocks 712. It can be understood that, in other embodiments, a corresponding slot is provided on an outer wall of the housing 71 near each opening 711.
  • the metal electrode 72 Two free ends of the metal electrode 72 are convexly provided with clamping blocks matching with the grooves.
  • the metal electrode 72 may have a sheet structure.
  • a pin 722 electrically connected to the controller 511 is provided in the middle of the metal electrode 72.
  • the piston 76 is movably accommodated in the housing 71.
  • Two opposite limiting chute 713 is formed on the side wall of the housing 71, and two sides of the piston 76 are provided through the limiting chute 713 of the housing 71.
  • the limiting slider 761 is configured to limit the piston 76 to slide in the limiting chute 713.
  • the dielectric layer 73 is interposed between the metal electrode 72 and the conductive rubber 74 and is fixed to the case 71.
  • the inner wall of the case 71 is provided with a flange 714 that holds the dielectric layer 73, the dielectric layer 73 and the flange 714 abut against and are fixedly disposed in the case 71, and It is in contact with the metal electrode 72.
  • the metal electrode 72 is fixedly provided at one end of the case 71 together with the dielectric layer 73.
  • the conductive rubber 74 is connected to the piston 76, and the conductive rubber 74 and the metal electrode 72 are both electrically connected to the controller 511 of the first circuit board 51.
  • the conductive rubber 74 includes a limiting portion 741 and a connecting portion 742 extending from the middle of the limiting portion 741 along the length direction of the stylus 100.
  • the piston 76 has a first end surface 7601 and a second end surface 7602 opposite to each other.
  • the first end face 7601 of the piston 76 is a side close to the conductive rubber 74, and the second end face 7602 of the piston 76 is a side close to the electrical connection member 78.
  • the first end face 7601 of the piston 76 is provided with two opposing bumps 762, and the two bumps 762 collectively surround a receiving groove 763 forming a connecting portion 742 for receiving the conductive rubber 74.
  • the limiting portion 741 of the conductive rubber 74 abuts the inner side surface of the top projection 762 and is clamped in the receiving groove 763 of the piston 76.
  • an end of the conductive rubber 74 near the piston 76 may have any suitable shape or structure, and an end of the conductive rubber 74 that contacts the dielectric layer 73 is substantially a cone.
  • the conductive rubber 74 is compressed and deformed, so that the contact area of the conductive rubber 74 facing the dielectric layer 73 changes, so that the capacitance of the variable capacitance component of the pressure sensor 70 is changed. Changed.
  • the limit slider 761 is located at the lower end of the limit slide 713 and is moved by the limit slide The lower end of the 713 stops.
  • the pen tip 22 will receive upward upward pressure to move the sliding sleeve 60 as a whole and the electrical connecting rod 603 of the sliding sleeve 60 triggers the electrical connection 78 of the pressure sensor 70 to be electrically connected.
  • the member 78 moves upwards to give upward pressure to the piston 76.
  • the piston 76 presses the conductive rubber 74 in the direction of the metal electrode 72, so that the contact area of the conductive rubber 74 and the dielectric layer 73 becomes larger, thereby changing the pressure sensor 70.
  • Capacitance of a variable capacitance component the material of the piston 76 may be an insulating material, and the main body of the dielectric layer 73 may be a ceramic material, and the side where the dielectric layer 73 and the conductive rubber 74 are in contact is coated with a conductive coating, but the main material of the dielectric layer 73 is not limited thereto.
  • the first conductive spring 75 is sleeved on the protrusion 762 and is movably disposed between the flange 714 of the housing 71 and the piston 76, that is, the first conductive spring 75 abuts the first end face 7601 of the piston 76.
  • One end of the first conductive spring 75 is sandwiched between the conductive rubber 74 and the piston 76, and the other end (ie, the pin 751) of the first conductive spring 75 passes through the dielectric layer 73 and the metal electrode 72 in sequence, and is in contact with the first
  • the controller 511 of the circuit board 50 is electrically connected.
  • the first conductive spring 75 is used as an electrical connection between the conductive rubber 74 and the controller 511, and the conductive rubber 74 may also be electrically connected to the controller 511 by any other suitable method, and is not limited thereto.
  • the second end surface 7602 of the piston 76 defines an accommodating groove 764 for accommodating the electrical connection member 78 in the axial direction.
  • the electrical connection member 78 includes a first connection portion 781 that connects the piston 76 and a second connection portion 782 that connects the first connection portion 781 and the sliding sleeve 60.
  • An end of the first connecting portion 781 facing away from the second connecting portion 782 is axially provided with a connecting post 7811 that matches the receiving groove 764 of the piston 76.
  • a positioning groove 7812 is provided on the free end surface of the connecting post 7811, and a positioning protrusion 7641 matching the positioning groove 7812 is provided in the receiving groove 764 of the piston 76 to facilitate the assembly of the electrical connector 78 and the piston 76.
  • the first connection portion 781 and the second connection portion 782 are integrally formed.
  • the first connection portion 781 is detachably connected to the second connection portion 782.
  • the second connection portion 782 defines a groove 7821 that is matched with the electrical connection rod 603 of the sliding sleeve 60 in the axial direction.
  • the electrical connection rod 603 forms a gap D2 with the bottom of the groove 7821; when the tip 22 of the refill 20 is in the stressed state, the electrical connection rod 603 Abut the bottom of the groove 7821.
  • the second conductive spring 77 is sandwiched between the case 71 and the electrical connection member 78. Specifically, the second conductive spring 77 is sleeved on the first connection portion 781 of the electrical connection member 78 and abuts the limiting portion 783 of the electrical connection member 78. The second conductive spring 77 is sleeved on the electrical connection member 78. One end of the second conductive spring 77 is connected to the electrical connection member 78, and the other end is connected to the controller 511 provided on the first circuit board 51, so that the pen tip 22 passes the electrical power in order. The connecting member 78 and the second conductive spring 77 are electrically connected to the controller 511, so that the pressure-sensitive signal processed by the controller 511 is sent to the pen tip 22. In this embodiment, the second conductive spring 77 is provided with two pins 771 and 772, one of which is electrically connected to the controller 511, and the other of which is electrically connected to the battery 80.
  • the battery 80 is connected to an end of the first circuit board 51 away from the pen tip 12 of the pen cover 10 through an electrical connection piece 81.
  • the electrical connection piece 81 has a first end 811 and a second end 812 opposite to each other.
  • a first end of the electrical connection piece 81 is connected to the battery 80, and a second end 812 of the electrical connection piece 81 is barb-shaped.
  • the second end 812 of the electrical connection piece 81 is fixed on the first circuit board 51 and is electrically connected to the first circuit board 51.
  • the linkage between the piston 76 and the pen tip 22 can be implemented in various ways.
  • the piston 76 is indirectly connected to the pen tip 22 through another member.
  • the refill 20 of the stylus pen 100 is connected to the piston 76 through a sliding sleeve 60 and an electrical connection member 78.
  • each state detection unit 41 may be welded on the inner wall of the sliding sleeve 60 in advance. Specifically, each state detection unit 41 is disposed on an edge of the sliding sleeve 60 near the second end 6011 of the second sliding slot 601, so that each state detecting unit 41 is exposed to the corresponding second sliding slot 601 and is in contact with each sliding button.
  • the piston 76 is sleeved on the housing 71, that is, the two limiting sliders 761 of the piston 76 are respectively locked in the limiting chute 713 of the housing 71. Pass the connecting portion 742 of the conductive rubber 74 through the first conductive spring 75 and receive it in the receiving groove 763 of the piston 76, and electrically connect the pin 751 of the first conductive spring 75 to the controller 511 of the first circuit board 51 .
  • a dielectric layer 73 is mounted on one end of the case 71 near the conductive rubber 74. At this time, the dielectric layer 73 is in contact with the flange 714 of the case 71 and is electrically connected to the limiting portion 741 of the conductive rubber 74.
  • the metal electrode 72 passes through the opening of the casing 71 and is sleeved on the casing 71, that is, the clamping hole 721 of the metal electrode 72 is clamped on the clamping block 712 of the casing 71.
  • the first connection portion 781 of the electrical connection member 78 passes through the second conductive spring 77 and is inserted into the accommodation groove 764 of the piston 76.
  • One pin 771 of the second conductive spring 77 is electrically connected to the controller 511 of the first circuit board 51, and the other pin 772 of the second conductive spring 77 is electrically connected to the battery 80.
  • the electrical connecting rod 603 of the sliding sleeve 60 is inserted into the second groove 7821 of the second connecting portion 782 of the electrical connecting member 78, and the positioning hole 501 of the first circuit board 51 is aligned with the positioning post 604 of the sliding sleeve 60.
  • the pen body 11 is sleeved with a first circuit board 51, a sliding sleeve 60 and a pressure sensor 70, so that the sliding button 31 passes through the first sliding groove 101 of the pen body 10 to expose the pen sleeve 10.
  • the pen tip 12 is fixedly connected to the other end of the pen body 11.
  • the slider 31 presses the state detection unit 41 provided below the slider 31, and the controller 511 generates a control signal corresponding to the color of the pen core 20 according to the contact state between the currently operated slider 31 and the state detection unit 41. And control the wireless transmitting device 512 provided on the first circuit board 51 to send control signals.
  • the program calculates the pen core 20 currently pressed by the stylus 100 through a program. Color and display it on an external device for users to view.
  • the slider 31 rebounds, that is, the pen tip 22 is contained in the pen tip 12, the color displayed on the touch screen of the external device is black by default to ensure that the correct color can be displayed when writing with other stylus pens.
  • the pen tip 22 when the user uses the stylus pen 100 to write, that is, the pen tip 22 is stressed, and the pen tip 22 receives the reverse pressure of the touch screen when it contacts the touch screen (not shown) of an external device.
  • the upward and reverse pressure received by the pen tip 22 causes the sliding sleeve 60 to move upward as a whole, thereby causing the electrical connecting rod 603 of the sliding sleeve 60 to trigger the pressure sensor 70.
  • the toggle block 311 of the slide button 31 abuts against the first end 1011 of the first slide groove 101, which can avoid damage to the pressure sensor 70 caused by excessive force on the pen tip 22.
  • the pressure sensor 70 is used to detect the reverse pressure from the touch screen received by the pen tip 22 and generate a pressure-sensitive signal.
  • the controller 511 processes the pressure-sensitive signal and controls the wireless transmitting device 512 to send the pressure-sensitive signal to an external device.
  • the pressure-sensitive signal processed by the controller 511 is transmitted to the pen tip 22, and then sent to the touch screen through the pen tip 22, so that the touch screen changes the display result according to the pressure on the pen tip 22, such as changing the writing The thickness of the handwriting.
  • the pressure-sensitive signal processed by the controller 511 may also be sent to a touch screen with a Bluetooth function by a built-in wireless transmitting device 512, such as a Bluetooth module, and is not limited thereto.
  • the capacitance of the variable capacitance component composed of the metal electrode 72 has changed, and the size of the capacitance has a corresponding relationship with the amount of compressive deformation of the conductive rubber 74. Therefore, the size of the capacitance can reflect the pressure on the pen tip 22.
  • the pressure sensor signal generated after the pressure sensor 70 senses the pressure is the change information of the capacitance of the variable capacitance component in the pressure sensor 70.
  • the controller 511 electrically connected to the pressure sensor 70 passes the capacitance of the variable capacitance component. The change information is processed to obtain the pressure on the pen tip 22.
  • the slide button 31 and the first end 1011 of the first slide groove 101 form a preset distance, and the sliding sleeve 60
  • the electrical connecting rod 603 does not abut the groove bottom of the second groove 7821 of the electrical connecting member 78.
  • the conductive connecting rod 603 of the sliding sleeve 70 abuts against the electrical connecting member 78, so that the limit slider 761 of the piston 76 slides toward the top of the limit sliding groove 713 of the housing 71, and the first conductive spring Both 75 and the second conductive spring 77 are compressed.
  • the first conductive spring 75 and the second conductive spring 77 recover to deform, and components such as the first circuit board 51, the controller 511, and the pressure sensor 70 will not work, thereby saving power.
  • FIG. 13 and FIG. 14 are schematic diagrams of the three-dimensional structure of the stylus pen provided by the second embodiment of the present application.
  • the structure of the stylus pen 200 provided in the second embodiment is similar to that of the stylus pen 100 provided in the first embodiment. Therefore, the size, name, and positional relationship of each component included in the stylus 200 can refer to the stylus 100.
  • the state detection unit 41 a of the stylus pen 200 is disposed at the first end 1011 of the first chute 101 (that is, the end away from the pen tip 22) and is exposed to the first chute 101. .
  • the toggle block 311a of the slide button 31a is located at the first position E1 of the first slide groove 101, the toggle block 311a is pressed against the state detection unit 41a; when the slide button 31a is moved by the first of the first slide groove 101 The position E1 slides to the first position E2, and the slider 31a is not in contact with the state detection unit 41a.
  • the toggle block 311a of the slider 31a abuts against the top state detection unit 41a, on an external device Application (such as an APP) displays preset handwriting colors.
  • the preset handwriting color is black, so as to ensure that the correct color can be displayed when writing on an external device with another stylus.
  • the toggle block 311a of the slider 31a is not in contact with the state detection unit 41a, and the state detection unit 41 A sensing signal is generated according to the color of the pen core 20 corresponding to the pen tip 22 exposed outside, and the controller 511 receives the sensing signal and recognizes the color of the currently selected pen core 20 and controls the wireless transmission according to the sensing signal.
  • the device 512 outputs a refill color signal corresponding to the color of the refill 20 to an external device.
  • the controller 511 generates a control signal corresponding to the color of the pen core 20 according to the pressure-free state between the currently operated slider 31a and the state detection unit 41a, and controls the wireless transmitting device 512 provided on the first circuit board 51 Send the corresponding control signal to the external device.
  • a state detection unit is added, the state detection unit detects a pressing state of a corresponding refill, and generates a sensing signal when the corresponding refill is pressed, and the controller receives the Sensing the signal and recognizing the color of the pressed refill according to the sensing signal and controlling the wireless transmitting device to output a refill color signal corresponding to the color of the pressed refill to an external device.
  • the current refill can trigger the state detection unit, so that the state detection unit sends a sensing signal to the controller, the controller Receiving the sensing signal, identifying the color of the refill according to the sensing signal, and controlling the signal generator to output a refill color signal corresponding to the refill color to an external device. Therefore, the stylus pen is compatible with refills of different colors, and can automatically recognize the color of the refills, which is convenient to use.
  • the external device can calculate the color corresponding to the pen core through the program calculation, so that the use of the stylus pen is more intelligent, and the user experience is improved.

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Abstract

一种手写笔（100），包括笔套（10）、设置于笔套（10）内的多根笔芯（20）以及与多根笔芯（20）一一对应的多个状态检测单元（41）、无线发射装置（512）及控制器（511），状态检测单元（41）和无线发射装置（512）均电性连接于控制器（511），状态检测单元（41）检测对应的笔芯（20）的按压状态，并在对应的笔芯（20）被按压时产生一感应信号，控制器（511）接收感应信号并根据感应信号识别出被按压的笔芯（20）的颜色并控制无线发射装置（512）输出与被按压的笔芯（20）的颜色对应的笔芯颜色信号给外部设备。该手写笔（100）能够自动识别笔芯颜色，使用方便。

Description

手写笔 技术领域
本申请涉及手写笔技术领域，尤其涉及一种手写笔。
背景技术
现有的能够在纸上书写真实笔迹的手写笔若需要更换不同的书写颜色，则需要更换不同颜色的笔芯，且与手写笔配备的外部设备需要手动在应用程序上选择与笔芯对应的颜色，这需要用户分别对手写笔及外部设备进行操作，使用不方便。
发明内容
本申请提供一种能自动识别笔芯颜色的手写笔。
本申请实施方式提供了一种手写笔。所述手写笔包括笔套及设置于所述笔套内的多根笔芯，所述手写笔还包括与多根所述笔芯一一对应的多个状态检测单元、无线发射装置及控制器，所述状态检测单元和所述无线发射装置均电性连接于所述控制器，所述状态检测单元检测对应的笔芯的按压状态，并在对应的笔芯被按压时产生一感应信号，所述控制器接收所述感应信号并根据所述感应信号识别出被按压的笔芯的颜色并控制所述无线发射装置输出与被按压的笔芯的颜色对应的笔芯颜色信号给外部设备。
本申请实施方式提供的手写笔，通过增设状态检测单元，所述状态检测单元检测对应的笔芯的按压状态，并在对应的笔芯被按压时产生一感应信号，所述控制器接收所述感应信号并识别出被按压的笔芯的颜色并控制所述无线发射装置输出与被按压的笔芯的颜色对应的笔芯颜色信号给外部设备。因此，当笔套内的任意一颜色的笔芯被选择按压时，当前被按压的所述笔芯能触发所述状态检测单元，使所述状态检测单元发送感测信号给所述控制器，所述控制器接收所述感测信号，并根据所述感测信号识别出所述笔芯的颜色并控制所述信号发生器输出与所述笔芯颜色对应的笔芯颜色信号给外部设备。因此，所述手写笔能兼容不同颜色的笔芯，且能够自动识别笔芯的颜色，使用方便。
附图说明
为了更清楚地说明本申请实施方式或现有技术中的技术方案，下面将对实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请第一实施方式提供的手写笔的立体结构示意图。
图2是图1中省略笔套的手写笔的组装示意图。
图3是图2的另一视觉的手写笔的结构示意图。
图4是图1中的手写笔的立体分解结构示意图。
图5是图4的另一视觉的手写笔的立体分解结构示意图。
图6是图4中的手写笔的压力传感器的立体结构示意图。
图7是图6中的压力传感器省略壳体的组装示意图。
图8是图6中的压力传感器的立体分解结构示意图。
图9是图6中的压力传感器沿IX-IX线的剖视图。
图10是图1中的手写笔沿X-X线的剖视图。
图11是图10中的I部分的放大图。
图12时图10中的II部分的放大图。
图13是本申请第二实施方式提供的手写笔的立体结构示意图。
图14是图13中的手写笔的立体分解结构示意图。
具体实施方式
下面将结合本申请实施方式中的附图，对本申请实施方式中的技术方案进行清楚、完整地描述，显然，所描述的实施方式仅是本申请一部分实施方式，而不是全部的实施方式。基于本申请中的实施方式，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施方式，都属于本申请保护的范围。
本申请实施方式的描述中，需要理解的是，术语“上”、“下”、“左”、“右”、“顶部”、“底部”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是暗示或指示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
请一并参阅图1至图5，图1所示为本申请第一实施方式提供的手写笔100，图2所示为手写笔100省略笔套的组装示意图，图3所示为手写笔100省略笔套的另一视觉图，图4所示为手写笔100的立体分解结构示意图，图5所示为手写笔100的另一视觉的立体分解结构示意图。手写笔100包括笔套10及设置于笔套10内的多根笔芯20，手写笔100还包括与多根所述笔芯一一对应的多个状态检测单元41、控制器511及无线发射装置512，状态检测单元41和无线发射装置512均电性连接于控制器511。所述状态检测单元41检测对应的笔芯20的按压状态，并在对应的笔芯20被按压时产生一感应信号，所述控制器511接收所述感应信号并根据所述感应信号识别出被按压的笔芯20的颜色并控制所述无线发射装置512输出与被按压的笔芯20的颜色对应的笔芯颜色信号给外部设备。
笔套10内设置有至少两根不同颜色的笔芯20。在本实施方式中，笔套10内同时设置有4根不同颜色的笔芯20。4根不同颜色的笔芯20分别对应一个状态检测单元41，且4根不同颜色的笔芯20在受按压后均可触发对应的状态检测单元41，并产生对应的感测信号。在本实施例中，使用手写笔100时，用户只能按压选择其中一根笔芯20。可以理解的，不同颜色的笔芯20在受按压后可产生不同的感应信号，从而状态检测单元41在对应的笔芯20被按压时产生一感应信号并发送对应的感测信号给控制器511，所述控制器511接收对应 的感测信号并识别出对应的笔芯20的颜色以及控制无线发射装置512输出对应的笔芯颜色信号给外部设备。状态检测单元41例如是，但不局限于按压开关、接触开关或压力传感器。可以理解的，在本实施方式中，外部设备是具有显示功能的设备。控制器511用于根据预先定义的感应信号与所述笔芯20的颜色的对应关系识别出被按压的笔芯20的颜色。外部备接收无线发射装置512输出的笔芯颜色信号后，并显示出对应的笔芯颜色以及该笔芯颜色的笔迹。无线发射装置512是蓝牙射频发射器。在其他实施方式中，所述无线发射装置512还可以是WIFI、ZIGBEE或者其他射频发射器。
笔套10内设置有第一电路板51。控制器511及无线发射装置512均设置于第一电路板51上。每一笔芯20包括中空的笔芯杆21及设置于笔芯杆21的端部的笔尖22。手写笔100还包括可与状态检测单元41接触的滑钮31，滑钮31设置于笔芯杆21远离笔尖22的一端，且对应其中一个状态检测单元41。
在本实施方式中，手写笔100为电容笔。笔套10包括笔身11和分别设置于笔身11两端的笔头12和笔尾13。笔头12和笔尾13与笔身11之间均可以通过卡接、磁性连接等方式连接。具体的，在本实施例中，笔头12和笔尾13均与笔身11可拆卸连接，例如在笔身11的头部或尾部设置内螺纹，在笔头12和笔尾13上设置有与内螺纹对应的外螺纹，从而方便手写笔100的组装及维修。在其他实施方式中，在笔身11的头部或尾部的四周开设有若干卡孔，在笔头12或笔尾13设置有与若干卡孔对应的弹性卡钩；或在笔身11的头部或尾部设置有磁铁，在笔头12或笔尾13上设置有与磁铁对应的铁片。
在本实施方式中，笔身11是中空圆柱状的筒体。笔身11沿径向开设若干供滑钮31穿过的第一滑槽101。具体的，第一滑槽101的长度方向平行于笔身11的长度方向。各个第一滑槽101并排且间隔排列。相邻两第一滑槽101平行设置。在本实施方式中，第一滑槽101的数量为4个。可以理解的，第一滑槽101的数量可以根据所需笔芯20的数量进行设计，在此不做限定。
笔芯杆21远离笔尖22的一端卡接滑钮31。笔尖22收容于笔头12内并部分外露于笔头12，笔头12沿轴向开设供一根笔芯20穿过的笔孔102。在本实施方式中，笔芯20的数量为4。可以理解的，笔芯20的数量可以根据实际需要进行设计，在此不作限定。优选的，每一笔芯20代表一种颜色。
请再次参看图4和图5，在本实施方式中，笔套10内设置有4个滑钮31。每一滑钮31对应连接于一笔芯20。可以理解的，滑钮31的数量可以根据所需笔芯20的数量进行设计，在此不做限定。滑钮31为长条形结构。每一滑钮31包括拨动块311及插接于笔芯杆21内的引导柱312。拨动块311收容于第一滑槽101且外露于笔套10。具体的，拨动块311垂直设置于滑钮31顶部的外侧面，引导柱312设置于滑钮31的底部。
进一步的，每一滑钮31的顶部的内侧面设置有第一导滑块313和第二导滑块314，且第一导滑块313和第二导滑块314之间形成有闪避缺口315。第一导滑块313设置于滑钮31内侧面的顶部，第二导滑块314远离滑钮31的顶部设置于内侧面的中部或靠近引导柱312的位置处。第一导滑块313和第二导滑块314大致为锥状结构。第二导滑块314靠近引导柱312的一侧设置倾斜的第一导滑面3141和第 二导滑面3142，且第一导滑面3141和第二导滑面3142通过平坦的过渡面3143连接，也即第一导滑面3141、第二导滑面3142和过渡面3143形成台阶面。各滑钮31的第二导滑块314并排设置，且两两抵接在一起，以在远离第一导滑块313的一侧围设形成与第一导滑块313相配合的卡槽316。
可以理解的，在本实施方式中，第一滑槽101具有相对的第一端1011和第二端1012。可以理解的，第一滑槽101的第一端1011为第一滑槽101远离笔头12的一端(也即顶端)，第一滑槽101的第二端1012为第一滑槽101靠近笔头12的一端(也即底端)。当笔芯20的笔尖22处于未受力状态时，滑钮31的拨动块311与第一滑槽101的第一端1011之间存在间隙D1。当笔芯20的笔尖22处于受力状态时，滑钮31的拨动块311抵顶所述第一滑槽101的第一端1011。
请再次参看图1至图5，可选的，状态检测单元41与滑钮31的拨动块311相垂直。在本实施方式中，状态检测单元41设置于第一滑槽101的第二端1012，且暴露于第一滑槽101。当滑钮31的拨动块311位于第一位置E1时，也即笔芯20未被按压，拨动块311与状态检测单元41不接触，此时笔芯20的笔尖22收容在笔套10内，外部设备上的应用程序(比如APP程序)显示预设笔迹颜色。在本实施例中，所述预设笔迹颜色为黑色，从而确保采用其他手写笔在外部设备上书写时能够显示颜色。当滑钮31由第一滑槽101的第一位置E1滑动到第二位置E2时，也即笔芯20被按压，滑钮31的拨动块311抵压状态检测单元41，此时其中一根笔芯20的笔尖22伸出笔套10。状态检测单元41检测对应笔芯20的按压状态，并在对应的笔芯20被按压时产生一感应信号，所述控制器511接收所述感应信号并根据所述感应信号识别出被按压的笔芯20的颜色并控制所述无线发射装置512输出与被按压的笔芯20的颜色对应的笔芯颜色信号给外部设备。可以理解的，第一位置E1是指拨动块311未按压所处的初始位置，也即靠近第一滑槽101的第一端1011的位置，第二位置E2是指拨动块311按压后所处的位置，也即靠近第一滑槽101的第二端1012的位置。
在本实施方式中，笔身11内还设置有笔芯座32及若干弹簧33。笔芯座32套设于所有笔芯20。各弹簧33套设于每一笔芯杆21，且夹设在对应滑钮31和笔芯座32之间，以实现笔芯20在笔套10内活动。
在本实施方式中，笔芯座32开设供笔芯20穿过的若干穿孔321(参看图12)。笔芯座32的各穿孔321靠近滑钮31一侧的内壁设置有凸缘322(参看图12)，用以卡持弹簧33。可选的，在一实施方式中，笔芯座32设置于笔套10的笔身11和笔头12的连接处，并由笔套10的笔身11和笔头12加以夹持固定。可以理解的，在另一实施方式中，笔芯座32滑动地设置于笔套10的笔身11内。弹簧33的内径大于或等于笔芯20的笔芯杆21的直径，从而弹簧33可套设在笔芯20上。弹簧33的外径大于穿孔321在凸缘322处以下部分(即穿孔321靠近笔头12的一端)的直径，以实现弹簧33夹设在滑钮31和笔芯座32之间。弹簧33的外径小于穿孔321在凸缘322处以上部分(即穿孔321远离笔头12的一端)的直径，以实现穿孔321收容弹簧33。
笔套10内还设置第二电路板52、滑动套60、与笔芯20电连接的压力传感器70和电池80。具体的，在本实施方式中，第二电路板52与第一电路板51电连接，状态检测单元41固定于第二电路板52上，第二电路板52固定于滑动套60上。滑动套60通过滑钮31的拨动块311与笔套10活动连接。
滑动套60开设与第一滑槽101对应的第二滑槽601，滑钮31的拨动块311依次穿过第一滑槽101和第二滑槽601且外露出笔身11。状态检测单元41暴露于第一滑槽101和第二滑槽601，且与滑钮31的拨动块311正相对。具体的，第二滑槽601具有相对的第一端6011和第二端6012。状态检测单元41设置于滑动套60靠近第二滑槽601的第二端6012，当滑钮31由第一位置E1滑动到第二位置E2，滑钮31的拨动块311抵顶状态检测单元41，也即拨动块311与状态检测单元41接触。
第二电路板52设置于滑动套60靠近第二滑槽601的第二端6012的内壁，以使状态检测单元41暴露于第一滑槽101和第二滑槽601。状态检测单元41间隔地设置于第二电路板52上。具体的，各状态检测单元41焊接在第二电路板52上，再通过导线与第一电路板51电连接。第二电路板52大致呈环状。各个状态检测单元41与对应的滑钮31的拨动块311正相对。
进一步的，在本实施例中，滑动套60背离笔头12的一端设置大致呈半圆柱形的卡接部602。卡接部602的自由端沿手写笔100的长度方向凸设与压力传感器70电连接的电连接杆603。滑动套60的卡接部602的内壁设置有与第一电路板51的定位孔501相匹配的定位柱604，第一电路板51通过定位孔501与定位柱604的插接连接于滑动套60。滑动套60由导电材料制成。导电材料例如是，但不局限于黄铜。滑动套60的内壁在邻近第二滑槽601的第一端6011的位置处设置有挡板605(如图11所示)。所述挡板605为环形或圆形的结构。在其他实施方式中，所述挡板605还可以为弧形的卡块。挡板605与未被按压的笔芯20所对应的第一导滑块313相止挡。
在本实施方式中，滑动套60通过滑钮31的拨动块311与笔套10活动连接，被按压的笔芯20所对应的滑钮31的第一导滑块313卡合于卡槽316而使滑动套60与笔芯20联动，具体的联动方式将于后文详细描述。
手写笔100还包括压力传感器70。压力传感器70电性连接于控制器511，且与滑动套60活动连接。滑动套60的电连接杆603可抵触压力传感器70。压力传感器70发送压感信号给控制器511。控制器511接收压感信号并控制无线发射装置512发送压感信号给外部设备。
具体的，笔芯20及滑钮31部分地收容于滑动套60内，笔芯座32及弹簧33也收容于滑动套60内。笔芯20的笔芯杆21远离笔尖22的一端连接于滑钮31的引导柱312。当滑钮31的拨动块311位于第一位置E1时，笔芯20的笔尖22依次穿过弹簧33、笔芯座32而收容于笔头12内。当其中一个滑钮31被按压，即所述滑钮31的拨动块311位于第二位置E2时，被按压的滑钮31的第一导滑块313卡合于卡槽316，笔芯20的笔尖22外露出笔头12。滑钮31的拨动块311穿过滑动套60的第二滑槽601而外露出滑动套60。当笔芯20的笔尖22处于未受力状态时，其他未被按压的滑钮31的第一导滑 块313的顶端部与滑动套60内壁的挡板605抵顶，且滑钮31的拨动块311与第一滑槽101的第一端1011之间存在间隙D1。当笔芯20的笔尖22处于受力状态时(也即使用笔尖22书写)，笔芯20的笔尖22会受到向上的反向作用力，从而被按压的滑钮31的第一导滑块313抵顶卡槽316而使其他未被按压的滑钮31的第二导滑块314受力，再使其他未被按压的滑钮31的第一导滑块313抵顶挡板605，以带动滑动套60整体向上移动而使滑动套60的电连接杆603触发压力传感器70，此时，其他未被按压的滑钮31的拨动块311抵顶所述第一滑槽101的第一端1011。可以理解的，在本实施方式中，第一滑槽101的第一端1011与第二滑槽601的第一端6011在笔尖22受力的状态下位于不同水平线上。第一滑槽101的第一端1011与第二滑槽601的第一端6011在笔尖22未受力的状态下位于同一水平线上。
请一并参看图6至图10所示，在本实施方式中，所述压力传感器70包括壳体71、固定设置于壳体71上的金属电极72、可活动设置于壳体71上的电连接件78、及设置于金属电极72和电连接件78之间的电介质层73、导电橡胶74、第一导电弹簧75、活塞76及第二导电弹簧77。具体的，电介质层73设置于金属电极72和导电橡胶74之间。活塞76活动地设置在壳体71内，且通过电连接件78与滑动套60的电连接杆603活动连接，从而活塞76及电连接件78均可与笔芯20联动。当手写笔100处于未使用状态时，活塞76与电连接件78处于第一位置，此时，导电橡胶74与电介质层73接触。
如图7所示，壳体71大体为中空的圆筒结构。壳体71端部的侧壁上开设供金属电极72穿过的两相对的开口711。金属电极72固定设置于壳体71上。可以理解的，金属电极72可以通过卡扣的形式可拆卸地固定在壳体71远离活塞76的一端。具体的，在本实施方式中，壳体71靠近各开口711处的外壁凸设对应的卡块712。金属电极72的两自由端开设与卡块712相配合的卡孔721。可以理解的，在其他实施方式中，壳体71靠近各开口711处的外壁开设对应的卡槽。金属电极72的两自由端凸设与卡槽相配合的卡块。在本实施方式中，金属电极72可以为片状结构。金属电极72的中部设置有与控制器511电连接的管脚722。
进一步的，活塞76活动地收容于壳体71内，壳体71的侧壁上开设两相对的限位滑槽713，活塞76的侧壁设置穿过壳体71的限位滑槽713的两限位滑块761，以限定活塞76在限位滑槽713内滑动。
电介质层73夹设在金属电极72和导电橡胶74之间且相对于壳体71固定。具体地，如图6至图9所示，壳体71的内壁设置有卡持电介质层73的凸缘714，电介质层73与凸缘714抵持并被固定地设置于壳体71内，且与金属电极72抵接。金属电极72与电介质层73一并被固定地设置于壳体71的一端。
导电橡胶74与活塞76连接，导电橡胶74和金属电极72均与第一电路板51的控制器511电连接。导电橡胶74包括限位部741和自限位部741中部沿手写笔100长度方向延伸的连接部742。活塞76具有相对的第一端面7601和第二端面7602。活塞76的第一端面7601为靠近导电橡胶74的一面，活塞76的第二端面7602为靠近电连接件78的一面。活塞76的第一端面7601设置有两相对的凸块762，两 凸块762共同围设形成收容导电橡胶74的连接部742的收容槽763。导电橡胶74的限位部741抵顶凸块762的内侧面并卡持在活塞76的收容槽763内。
可以理解的，导电橡胶74靠近活塞76的一端可以具有任意适当的形状或结构，导电橡胶74与电介质层73接触的一端大致为圆锥体。如此，当活塞76受到压力作用而向金属电极72移动时，导电橡胶74被压缩变形，使得导电橡胶74正对电介质层73的接触面积发生变化，从而使压力传感器70的可变电容组件的电容发生变化。
具体地，如图9所示，当活塞76处于第一位置时(也即笔尖22不受任何外在压力时)，限位滑块761位于限位滑槽713的下端并由限位滑槽713的下端面止挡。当笔尖22在外部设备上操作时，笔尖22会受到向上的反向压力，以使滑动套60整体向上移动而使滑动套60的电连接杆603触发压力传感器70的电连接件78，电连接件78向上移动而给活塞76向上的压力，此时，活塞76朝金属电极72的方向挤压导电橡胶74，使导电橡胶74与电介质层73的接触面积变大，进而改变了压力传感器70的可变电容组件的电容。其中，活塞76的材料可为绝缘材料，电介质层73的主体可为陶瓷材料，且满足电介质层73与导电橡胶74接触的一面涂有导电涂层，但电介质层73的主体材料不限于此。
第一导电弹簧75套设在凸块762上，且活动地设置于壳体71的凸缘714和活塞76之间，也即第一导电弹簧75抵接活塞76的第一端面7601。第一导电弹簧75的一端夹设在导电橡胶74和活塞76之间，且第一导电弹簧75的另一端(也即管脚751)依次穿过电介质层73和金属电极72，且与第一电路板50的控制器511电连接。这里，第一导电弹簧75作为导电橡胶74与控制器511之间的电连接件，导电橡胶74还可以通过其他任意适当的方式与控制器511电连接，不限于此。
活塞76的第二端面7602沿轴向开设收容电连接件78的容置槽764。电连接件78包括连接活塞76的第一连接部781及连接第一连接部781和滑动套60的第二连接部782。第一连接部781背离第二连接部782的一端沿轴向凸设与活塞76的容置槽764相匹配的连接柱7811。可选的，连接柱7811的自由端面设置定位凹槽7812，活塞76的容置槽764内设置与定位凹槽7812相匹配的定位凸起7641，以方便电连接件78与活塞76的组装。在本实施方式中，第一连接部781与第二连接部782一体成型。在其他实施方式中，第一连接部781可拆卸地连接于第二连接部782。第二连接部782沿轴向开设与滑动套60的电连接杆603相配合的凹槽7821。
可以理解的，当笔芯20的笔尖22处于未受力状态时，电连接杆603与凹槽7821的槽底形成间隙D2；当笔芯20的笔尖22处于受力状态时，电连接杆603抵顶凹槽7821的槽底。
第二导电弹簧77夹设在壳体71和电连接件78之间。具体的，第二导电弹簧77套设在电连接件78的第一连接部781，且抵接电连接件78的限位部783。第二导电弹簧77套设在电连接件78上，第二导电弹簧77的一端连接于电连接件78，另一端连接至第一电路板51设置的控制器511，以使笔尖22依次通过电连接件78和第二导电弹簧77与控制器511电连接，从而实现将控制器511处理后的压 感信号发送给笔尖22。在本实施方式中，第二导电弹簧77设置有两个管脚771，772，其中一个管脚771电连接于控制器511，其中另一个管脚772电连接电池80。
在本实施方式中，电池80通过电连接片81连接于第一电路板51远离笔套10的笔头12的一端。具体的，电连接片81具有相对的第一端811和第二端812。电连接片81的第一端与电池80连接，电连接片81的第二端812呈倒钩形。电连接片81的第二端812固定在第一电路板51上，且与第一电路板51电连接。
可以理解的，在本实施方式中，活塞76和笔尖22的联动可以通过多种方式实现。例如，在本实施方式中，活塞76通过其他部件间接连接于笔尖22。如图10所示，手写笔100的笔芯20通过滑动套60及电连接件78实现与所述活塞76相连。
请一并参阅图1至图12，组装时，将所有笔芯20的笔尖22分别依次穿过弹簧33及笔芯座32的穿孔321，再将滑钮31插设在各笔芯杆21背离笔尖22的一端，且将滑钮31的拨动块311穿过滑动套60的第二滑槽601而外露出滑动套60。状态检测单元41可预先焊接在滑动套60的内壁上。具体的，各状态检测单元41分别设置于滑动套60靠近第二滑槽601的第二端6011的边缘，以使各个状态检测单元41暴露于对应的第二滑槽601且与每一滑钮31正相对。将活塞76套接于壳体71，也即将活塞76的两限位滑块761分别卡接于壳体71的限位滑槽713内。将导电橡胶74的连接部742穿过第一导电弹簧75，且收容在活塞76的收容槽763内，并将第一导电弹簧75的管脚751电连接于第一电路板51的控制器511。将电介质层73安装在壳体71靠近导电橡胶74的一端。此时，电介质层73与壳体71的凸缘714抵接，并与导电橡胶74的限位部741电连接。将金属电极72穿过壳体71的开口，并套接于壳体71，也即金属电极72的卡孔721卡接于壳体71的卡块712。将电连接件78的第一连接部781穿过第二导电弹簧77，并插设在活塞76的容置槽764内。将第二导电弹簧77的其中一个管脚771电连接于第一电路板51的控制器511，将第二导电弹簧77的另一个管脚772电连接于电池80。将滑动套60的电连接杆603插设在电连接件78的第二连接部782的第二凹槽7821内，并使第一电路板51的定位孔501与滑动套60的定位柱604相配合。将笔身11套设第一电路板51、滑动套60及压力传感器70，以使滑钮31穿过笔身10的第一滑槽101而外露出所述笔套10。将电池80放入笔身11远离所述笔尖22的一端，并将笔尾13固定连接于笔身10上，以使笔尾13抵压电池80，且电池80通过电连接片81电性连接于第一电路板51，以给第一电路板51提供电量。将笔头12固定连接笔身11的另一端。
使用时，按下其中一个滑钮31，以使滑钮31相卡接的笔芯20穿出笔头12。此时，滑钮31按压设置于滑钮31下方的状态检测单元41，控制器511根据当前操作的滑钮31与状态检测单元41之间的接触状态产生与笔芯20颜色对应的控制信号，并控制第一电路板51上设置的无线发射装置512发送控制信号，手机、电脑、手写设备及智能穿戴设备等外部设备接收控制信号后，通过程序计算出手写笔100当前按压的笔芯20的颜色，并在外部设备上显示出来，以供用户查看。可选的，当滑钮31回弹时，也即笔尖22收 容在笔头12内，外部设备的触摸屏显示的颜色默认为黑色，以确保采用其他手写笔书写时能够显示正确的颜色。
进一步的，当用户使用手写笔100进行书写时，也即笔尖22受力，笔尖22在与外部设备的触控屏(未示出)接触时承受触控屏的反向压力。笔尖22受到的向上的反向压力带动滑动套60整体向上移动，从而促使滑动套60的电连接杆603触发压力传感器70。此时，滑钮31的拨动块311抵顶所述第一滑槽101的第一端1011，可避免笔尖22用力过度而造成压力传感器70的损坏。压力传感器70用于检测笔尖22所受的来自触控屏的反向压力，并产生压感信号，控制器511对压感信号进行处理，并且控制无线发射装置512发送压感信号给外部设备。在本实施方式中，被控制器511处理后的压感信号传送给笔尖22，后通过笔尖22发送至触控屏，以使触控屏根据笔尖22所受压力大小改变显示结果，例如改变书写笔迹粗细。具体实施时，被控制器511处理后的压感信号还可以通过内置的无线发射装置512，如蓝牙模块发送给具有蓝牙功能的触控屏等，具体不限于此。
其中，请再次参阅图6至图9，由于活塞76通过滑动套60与笔尖22联动，当使用手写笔100进行书写时，外部设备的触控屏对笔尖22的压力会通过滑动套60的电连接杆603及电连接件78传递到活塞76上，使得活塞76朝向金属电极72移动，导电橡胶74被压缩变形，与电介质层73的接触面积发生了变化，使得由导电橡胶74、电介质层73及金属电极72构成的可变电容组件的电容发生了变化，电容的大小与导电橡胶74的压缩变形量具有对应关系，因此，电容的大小可以反映出笔尖22所受压力的大小。也就是说压力传感器70感受到压力后产生的压感信号即为压力传感器70中可变电容组件的电容的变化信息，与压力传感器70电性连接的控制器511通过对可变电容组件的电容变化信息进行处理得出笔尖22所受到的压力。
在本实施方式中，当活塞76处于第一位置时，即笔尖22不受任何外在压力时，滑钮31与第一滑槽101的第一端1011形成预设间距，且滑动套60的电连接杆603未抵接电连接件78的第二凹槽7821的槽底。当笔尖22受力时，笔尖22受到反向压力(也即朝向笔尾13方向的力)，滑钮31带动滑动套60朝背离笔尖22的一侧运动。在这种情况下，滑动套70的导电连接杆603抵顶电连接件78，从而活塞76的限位滑块761朝壳体71的限位滑槽713的顶端滑动，此时第一导电弹簧75和第二导电弹簧77均被压缩。当笔尖22不受力时，第一导电弹簧75和第二导电弹簧77恢复形变，第一电路板51、控制器511及压力传感器70等元件不会工作，从而节省电量。
请参阅图13和图14，图13和图14是本申请的第二实施方式提供的手写笔的立体结构示意图。第二实施方式提供的手写笔200与第一实施方式提供的手写笔100的结构相似，因此手写笔200包含的各元件尺寸、元件名称、各元件位置关系等均可参考手写笔100，在此不再赘述。不同之处在于，在第二实施方式中，手写笔200的状态检测单元41a设置于第一滑槽101的第一端1011(也即远离笔尖22的一端)，且暴露于第一滑槽101。
具体的，当滑钮31a的拨动块311a位于第一滑槽101的第一位置E1时，拨动块311a与状态检测单元41a抵压；当滑钮31a由第一滑槽101的第一位置E1滑动到第一位置E2，滑钮31a未与状态检测单元41a接触。
可以理解的，当滑钮31a位于第一位置E1时，也即笔芯20的笔尖22收容在笔头12内，此时，滑钮31a的拨动块311a抵顶状态检测单元41a，外部设备上的应用程序(比如APP程序)显示预设笔迹颜色。在本实施例中，所述预设笔迹颜色为黑色，从而确保采用其他手写笔在外部设备上书写时能够显示正确的颜色。当滑钮31a位于第二位置E2时，也即其中一根笔芯20的笔尖22外露出笔头12，此时，滑钮31a的拨动块311a与状态检测单元41a未接触，状态检测单元41根据笔尖22外露出笔头12所对应的笔芯20颜色产生感测信号，控制器511接收感测信号，并根据所述感应信号识别出当前选定的笔芯20的颜色并控制所述无线发射装置512输出与所述笔芯20的颜色对应的笔芯颜色信号给外部设备。具体的，控制器511通过根据当前操作的滑钮31a与状态检测单元41a之间的无压力状态产生与笔芯20颜色对应的控制信号，并控制设置第一电路板51上的无线发射装置512将对应的控制信号发送给外部设备。
本申请实施方式提供的手写笔，通过增设状态检测单元，所述状态检测单元检测对应的笔芯的按压状态，并在对应的笔芯被按压时产生一感应信号，所述控制器接收所述感应信号并根据所述感应信号识别出被按压的笔芯的颜色并控制所述无线发射装置输出与被按压的笔芯的颜色对应的笔芯颜色信号给外部设备。因此，当笔套内的任意一颜色的笔芯被按压时，当前的所述笔芯能触发所述状态检测单元，使所述状态检测单元发送感测信号给所述控制器，所述控制器接收所述感测信号，并根据所述感应信号识别出所述笔芯的颜色并控制所述信号发生器输出与所述笔芯颜色对应的笔芯颜色信号给外部设备。因此，所述手写笔能兼容不同颜色的笔芯，且能够自动识别笔芯的颜色，使用方便。此外，外部设备能够通过程序计算得到与笔芯相对应的颜色，进而手写笔的使用更智能化，且提高了用户的体验。
最后应说明的是，以上实施方式仅用以说明本申请的技术方案而非限制，尽管参照以上较佳实施方式对本申请进行了详细说明，本领域的普通技术人员应当理解，可以对本申请的技术方案进行修改或等同替换都不应脱离本申请技术方案的精神和范围。

Claims (20)

  1. 一种手写笔，包括笔套及设置于所述笔套内的多根笔芯，其特征在于，所述手写笔还包括与多根所述笔芯一一对应的多个状态检测单元、无线发射装置及控制器，所述状态检测单元和所述无线发射装置均电性连接于所述控制器，每一所述状态检测单元检测对应的笔芯的按压状态，并在对应的笔芯被按压时产生一感应信号，所述控制器接收所述感应信号并根据所述感应信号识别出被按压的笔芯的颜色并控制所述无线发射装置输出与被按压的笔芯的颜色对应的笔芯颜色信号给外部设备。
  2. 如权利要求1所述的手写笔，其特征在于，所述控制器用于根据预先定义的感应信号与所述笔芯的颜色的对应关系识别出被按压的笔芯的颜色。
  3. 如权利要求1所述的手写笔，其特征在于，所述状态检测单元为按压开关、接触开关或压力传感器。
  4. 如权利要求1所述的手写笔，其特征在于，每一所述笔芯包括笔芯杆及设置于所述笔芯杆的一端的笔尖，所述手写笔还包括可与所述状态检测单元接触的若干滑钮，每一所述滑钮设置于所述笔芯杆的另一端，且对应其中一个所述状态检测单元。
  5. 如权利要求4所述的手写笔，其特征在于，所述滑钮包括拨动块及插接于所述笔芯杆的引导柱，所述笔套开设供所述拨动块穿过的第一滑槽，所述拨动块收容于所述第一滑槽并外露于所述笔套。
  6. 如权利要求5所述的手写笔，其特征在于，所述状态检测单元与所述滑钮的拨动块相垂直。
  7. 如权利要求5所述的手写笔，其特征在于，所述第一滑槽具有相对的第一端和第二端，当所述笔芯的笔尖处于未受力状态时，所述拨动块与所述第一滑槽的第一端之间存在第一间隙；当所述笔芯的笔尖处于受力状态时，所述拨动块抵顶所述第一端。
  8. 如权利要求7所述的手写笔，其特征在于，所述状态检测单元设置于所述第一滑槽的第一端，且暴露于所述第一滑槽，当所述笔芯未被按压时，所述拨动块与所述状态检测单元抵压；当所述笔芯被按压时，所述拨动块与所述状态检测单元未接触。
  9. 如权利要求7所述的手写笔，其特征在于，所述状态检测单元设置于所述第一滑槽的第二端，且暴露于所述第一滑槽，当所述笔芯未被按压时，所述拨动块与所述状态检测单元未接触；当所述笔芯被按压时，所述拨动块与所述状态检测单元抵压。
  10. 如权利要求4所述的手写笔，其特征在于，所述笔套内设置有第一电路板，所述控制器及所述无线发射装置均设置于所述第一电路板上。
  11. 如权利要求10所述的手写笔，其特征在于，所述笔套内还设置有电连接于所述第一电路板的第二电路板，所述状态检测单元设置于所述第二电路板上。
  12. 如权利要求11所述的手写笔，其特征在于，所述笔套内还设置有滑动套，所述第二电路板设置于所述滑动套上。
  13. 如权利要求12所述的手写笔，其特征在于，所述滑动套通过所述滑钮的拨动块与所述笔套活动连接。
  14. 如权利要求12所述的手写笔，其特征在于，所述滑动套开设与所述第一滑槽对应的第二滑槽，所述滑钮依次穿过所述第一滑槽和所述第二滑槽而外露出所述笔套。
  15. 如权利要求12所述的手写笔，其特征在于，所述滑动套的内壁设置有定位柱，所述第一电路板设置有与所述定位柱相匹配的定位孔，所述第一电路板通过所述定位孔与所述定位柱的插接连接于所述滑动套。
  16. 如权利要求12所述的手写笔，其特征在于，每一所述滑钮背离所述拨动块的一侧还设置有第一导滑块和第二导滑块，各所述滑钮的第二导滑块并排设置，且两两抵接在一起，以在远离所述第一导滑块的一侧围设形成与所述第一导滑块相配合的卡槽。
  17. 如权利要求16所述的手写笔，其特征在于，所述滑动套的内壁在邻近所述第二滑槽的顶端处设置有挡板，所述挡板与未被按压的所述笔芯所对应的第一导滑块相止挡。
  18. 如权利要求17所述的手写笔，其特征在于，被按压的所述笔芯所对应的第一导滑块卡合于所述卡槽而使所述滑动套与所述笔芯联动。
  19. 如权利要求12所述的手写笔，其特征在于，所述手写笔还包括压力传感器，所述压力传感器电性连接于所述控制器，当所述笔芯的笔尖处于受力状态时，所述滑动套抵顶所述压力传感器而使所述压力传感器产生压力感测信号。
  20. 如权利要求19所述的手写笔，其特征在于，所述滑动套设置有电连接杆，当所述笔芯的笔尖处于受力状态时，所述电连接杆可抵触所述压力传感器，所述压力传感器发送信号给所述控制器，所述控制器接收所述信号并控制所述无线发射装置发送信号给外部设备。
PCT/CN2018/103971 2018-09-04 2018-09-04 手写笔 Ceased WO2020047744A1 (zh)

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