CN210244311U - Active universal capacitive touch pen and pen point thereof - Google Patents

Active universal capacitive touch pen and pen point thereof Download PDF

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Publication number
CN210244311U
CN210244311U CN201921243437.2U CN201921243437U CN210244311U CN 210244311 U CN210244311 U CN 210244311U CN 201921243437 U CN201921243437 U CN 201921243437U CN 210244311 U CN210244311 U CN 210244311U
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China
Prior art keywords
pen
circuit board
touch
pen point
elastic sheet
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CN201921243437.2U
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Ziyu Zhan
詹梓煜
Jian Deng
邓建
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Shenzhen Qianfenyi Intelligent Technology Co Ltd
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Shenzhen Qianfenyi Intelligent Technology Co Ltd
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Abstract

The utility model provides an active universal capacitance touch control pen and a pen point thereof, the capacitance touch control pen comprises a circuit board, the pen point comprises a pen point module, the pen point module comprises a transmitting electrode, a receiving electrode, an insulating layer and a grounding shielding layer, the grounding shielding layer is positioned in the insulating layer, the transmitting electrode passes through the middle part of the insulating layer, and the grounding shielding layer is positioned outside the transmitting electrode; one end of the transmitting electrode is connected with the wear-resistant protection component, and the other end of the transmitting electrode is connected with the circuit board; the receiving electrode is positioned on the outer side of the grounding shielding layer and is electrically connected with the circuit board. By adopting the technical scheme of the utility model, the touch pen point can be less than 2mm, and fine writing and operation can be realized; based on the basic principle of the touch screen, the touch finger signal is simulated by using the electric signal, so that the touch screen is suitable for most touch screens and has universality; adopt magnetism to inhale the switch mode, have better portability, it is more convenient to use, has improved user's experience and has felt.

Description

Active universal capacitive touch pen and pen point thereof
Technical Field
The utility model relates to a touch-control technical field especially relates to an active general electric capacity touch-control pen and nib thereof.
Background
With the popularity of smart phones and tablet computers, touch operation has become an indispensable interactive experience mode at present. In order to make the touch operation more friendly, convenient and accurate and simultaneously expand the function of the touch operation, more and more digital devices such as tablet computers, large-screen smart phones and notebook computers are equipped with active pens. The current active pen sends a signal with a certain frequency through a built-in PCBA, the signal is transmitted to a screen through a pen point, and the screen makes a corresponding action after receiving the signal. However, the active capacitive stylus customizes different transmission signals according to different touch protocols, and needs to be used in cooperation with a corresponding touch IC, so that the active capacitive stylus has no universality and is mostly used for customizing items. Meanwhile, a large number of passive touch pens exist in the market, pen points are made of conductive rubber or conductive cloth with the thickness of more than 6mm, hand signals can be simulated through large-diameter conductive materials, most touch screens can be operated, and the touch control precision is low, response is slow, and customer demands are not responded accurately.
At present, a common general touch pen is a passive touch pen, and a pen point of the passive touch pen is conductive rubber or conductive cloth, when the touch pen is in contact with a screen, part of charges on a plane are absorbed by the conductive pen point, so that a capacitance value of a touch area is changed, and the plane detects that the touch action occurs at the position. However, due to the requirement of the conductive area, the touch pen point is usually 6mm or more in diameter, and the operation precision is very low, so that the normal writing or scribing operation cannot be performed. Generally used for click and slide operations. And the reliability of the conductive rubber and the conductive cloth is poor, the conductive rubber and the conductive cloth are easy to wear, and the service life is short.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model discloses an active general electric capacity touch-control pen and nib thereof, the touch nib can accomplish below 2mm, can realize meticulous writing and operation, and has the commonality.
To this end, the technical scheme of the utility model is that:
the utility model provides a nib of active general electric capacity touch-control pen, electric capacity touch-control pen includes the circuit board, its characterized in that: the pen point module comprises a transmitting electrode, a receiving electrode, an insulating layer and a grounding shielding layer, wherein the grounding shielding layer is positioned in the insulating layer, the transmitting electrode penetrates through the middle part of the insulating layer, and the grounding shielding layer is positioned on the outer side of the transmitting electrode; one end of the transmitting electrode is connected with the wear-resistant protection component, and the other end of the transmitting electrode is connected with the circuit board; the receiving electrode is positioned on the outer side of the grounding shielding layer and is electrically connected with the circuit board.
By adopting the technical scheme, when the pen point contacts the touch screen, the receiving electrode RX firstly receives an excitation signal of the touch screen, and the excitation signal is amplified and inverted by the internal circuit board and then is emitted through the emitting electrode TX, so that the capacitance value of the contact position of the touch pen and the touch screen is changed, and the screen responds to the area. Because the touch screen is based on the basic principle of the touch screen, the touch finger signal is simulated by using the electric signal, so that the touch screen is suitable for most touch screens and has universality.
In addition, according to the pen point structure in the technical scheme, the grounding shielding layer is arranged and is embedded between the transmitting electrode TX and the receiving electrode RX, so that signals are prevented from interfering with each other to form a loop, and the signal quality of the touch pen is effectively improved. The structure is compact, so that the touched pen point can be below 2mm, and fine writing and operation can be realized;
further, the transmitting electrode is a metal probe, the transmitting electrode comprises a horizontal part and a vertical part which are orthogonally connected, the horizontal part penetrates through the middle parts of the insulating layer and the grounding shielding layer, one end of the horizontal part is connected with the circuit board, the other end of the horizontal part is connected with the vertical part, the vertical part is located at the end part of the head of the insulating layer, and the receiving electrode is located behind the vertical part.
Further, the wear-resistant protection member is hemispherical.
As a further improvement, the insulating layer and the grounding shielding layer are molded together through an in-mold injection molding process, the middle part of the insulating layer is provided with a channel for inserting the transmitting electrode, and the grounding shielding layer is positioned at the outer side of the channel. And the transmitting electrode is isolated from the grounding shielding layer by an insulating layer. By adopting the technical scheme, the processing is convenient, and the insulating layer and the grounding shielding layer which are integrally formed by the in-mold injection molding process can be further made to be very small in size.
As a further improvement of the utility model, the cross-section of the grounding shielding layer is circular ring-shaped, and the transmitting electrode is wrapped.
The utility model discloses an active universal capacitance touch control pen, which comprises a shell, wherein a circuit board, a battery, a pen point and a magnetic switch are arranged in the shell, and the pen point adopts the pen point of the active universal capacitance touch control pen as described above;
the magnetic switch comprises a power supply touch switch, a magnetic component and a ferromagnetic elastic sheet, the battery is electrically connected with the circuit board through the power supply touch switch, one end of the ferromagnetic elastic sheet is positioned on one side of the power supply touch switch, one side of the magnetic component is in contact with one side of the middle part of the ferromagnetic elastic sheet, and a gap is arranged on the other side of the magnetic component; when external magnetic force exists, the magnetic component drives the ferromagnetic elastic sheet to move, so that the ferromagnetic elastic sheet is separated from the power supply tact switch, and the circuit is disconnected; when the external magnetic force is removed, the ferromagnetic elastic sheet automatically rebounds to be in contact with the power light touch switch, and the circuit is connected.
Adopt the technical scheme of the utility model, through magnetism the mode of inhaling, utilize the power to dabber the cooperation of switch, magnetic member and ferromagnetism shell fragment, realize magnetism and inhale the formula switching on and shutting down. When the portable electronic product is adsorbed on the equipment, the portable electronic product is automatically turned off; when the user takes off the portable electronic product, the portable electronic product is automatically started for use.
Further, the battery and the circuit board are connected by welding.
Furthermore, the other end of the ferromagnetic elastic sheet is fixed. The other end of the ferromagnetic elastic sheet is connected with the circuit board.
As a further improvement of the utility model, the middle part of ferromagnetism shell fragment forms the recess through bending, the magnetic member is located the recess.
As a further improvement of the present invention, the ferromagnetic elastic piece is disposed at one end of the power tact switch and is disposed in an inclined manner with the power tact switch. The end part of the ferromagnetic elastic sheet is closer to the power supply tact switch.
As a further improvement of the utility model, the included angle formed by the ferromagnetic elastic sheet at the end of the power touch switch and the plane where the power touch switch is located is 1-5 degrees.
As a further improvement of the utility model, the outside of recess is equipped with the separation blade, leave the space between the outside of recess and the separation blade.
As a further improvement of the utility model, the ferromagnetic elastic sheet is an elastic stainless iron sheet; the magnetic component is a magnet and is cuboid.
As a further improvement, the casing is internally provided with a pen point support, the circuit board is fixed on the pen point support, the pen point module is connected with the pen point support.
Furthermore, the shell is provided with a key switch, an indicator light and a charging port, and the key switch, the indicator light and the charging port are connected with the circuit board.
As a further improvement of the utility model, be equipped with the switch on and off magnetism on the casing and inhale the position sign. Through set up switch machine magnetism and inhale position sign on the casing, the user adsorbs the magnetic part of assigned position and equipment when using, just realizes shutting down more accurately.
Compared with the prior art, the beneficial effects of the utility model are that:
first, adopt the technical scheme of the utility model, touch nib can accomplish below 2mm, can realize meticulous writing and operation. And the pen point adopts multilayer stack design, combines the shielding layer and the insulating material together by using an in-mold injection molding process, and utilizes a mechanism to clamp the circuits of the transmitting electrode and the receiving electrode, so that the two circuits are not interfered with each other at the pen to cause a loop.
Second, the technical scheme of the utility model adopt touch-sensitive screen basic principle, utilize the electric signal simulation touch finger signal, consequently all be suitable for most touch-sensitive screen, have the commonality.
Third, the technical scheme of the utility model adopt magnetism to inhale the switch mode, utilize magnet, ferromagnetism shell fragment, dab the switch and designed magnetism and inhale formula switching on and shutting down mode, when the touch-control pen adsorbs on equipment, auto-off, automatic start when the user takes off the pen uses, has better portability, and the touch-control pen is also difficult for losing moreover, and it is more convenient to use, has improved user's experience and has felt.
Fourth, adopt the technical scheme of the utility model, the nib increases wear-resisting protective layer, promotes the touch-control and feels and life.
Drawings
Fig. 1 is a schematic structural diagram of a pen head of an active universal capacitive stylus of the present invention.
Fig. 2 is an internal structure diagram of an active general capacitance touch pen of the present invention.
Fig. 3 is a schematic structural diagram of the active general capacitance touch pen when the magnetic switch is turned off.
Fig. 4 is a schematic structural diagram of the active general capacitance touch pen when the magnetic switch is turned on.
The reference numerals include:
1-shell, 2-pen head module, 3-circuit board, 4-battery, 5-magnetic switch, 6-power light touch switch, 7-magnet, 8-stainless iron spring sheet, 9-gap, 10-groove, 11-charging port, 12-key switch, 13-indicator light, 14-iron sheet, 15-pen head support;
21-transmitting electrode, 22-receiving electrode, 23-insulating layer, 24-grounding shielding layer and 25-wear-resistant protective head.
Detailed Description
Preferred embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, a pen head of an active universal capacitive touch pen includes a circuit board 3, which includes a pen head module 2, where the pen head module 2 includes a transmitting electrode 21, a receiving electrode 22, an insulating layer 23, and a ground shielding layer 24, the ground shielding layer 24 is located in the insulating layer 23, the transmitting electrode 21 penetrates through the middle of the insulating layer 23, and the ground shielding layer 24 is located outside the transmitting electrode 21; one end of the emitting electrode 21 is connected with the wear-resistant protective head 25, and the other end of the emitting electrode 21 is connected with the circuit board 3; the receiving electrode 22 is located outside the ground shield 24 and is electrically connected to the wiring board 3. The insulating layer 23 and the grounding shielding layer 24 are molded together through an in-mold injection molding process, a channel for inserting the emitter electrode 21 is formed in the middle of the insulating layer 23, and the grounding shielding layer 24 is located on the outer side of the channel. The emitter electrode 21 is separated from the ground shield 24 by an insulating layer 23. The section of the grounding shielding layer 24 is circular ring shape, and the transmitting electrode 21 is covered.
Further, the transmitting electrode 21 is a metal probe, the transmitting electrode 21 includes a horizontal portion and a vertical portion, the horizontal portion is orthogonally connected to the horizontal portion, the horizontal portion passes through the middle portions of the insulating layer 23 and the grounding shielding layer 24, one end of the horizontal portion is connected to the circuit board 3, the other end of the horizontal portion is connected to the vertical portion, the vertical portion is located at the end portion of the head portion of the insulating layer 23, and the receiving electrode 22 is located behind the vertical portion.
Further, the wear-resistant protection head 25 is hemispherical.
By adopting the technical scheme, when the pen point contacts the touch screen, the receiving electrode RX firstly receives an excitation signal of the touch screen, and the excitation signal is amplified and inverted by the internal circuit board 3 and then is emitted through the emitting electrode TX, so that the capacitance value of the contact position of the touch pen and the touch screen is changed, and the screen responds to the area. Because the touch screen is based on the basic principle of the touch screen, the touch finger signal is simulated by using the electric signal, so that the touch screen is suitable for most touch screens and has universality.
In addition, the pen point of the structure is convenient to process and high in precision, and the insulating layer and the grounding shielding layer are integrally formed through an in-mold injection molding process, so that the size of the pen point can be further reduced. The structure is compact, the touched pen point can be less than 2mm, and fine writing and operation can be realized.
Example 2
As shown in fig. 2 to 4, an active general capacitive stylus includes a housing 1, where a circuit board 3, a battery 4, a pen point and a magnetic switch 5 are disposed in the housing 1, and the pen point is the pen point of the active general capacitive stylus described in embodiment 1; the magnetic switch 5 comprises a power supply touch switch 6, a magnet 7 and a stainless iron elastic sheet 8, the battery 4 is electrically connected with the circuit board 3 through the power supply touch switch 6, one end of the stainless iron elastic sheet 8 is positioned at one side of the power supply touch switch 6, the other end of the stainless iron elastic sheet 8 is fixedly connected with the circuit board, one side of the magnet 7 is in contact with one side of the middle of the stainless iron elastic sheet 8, and a gap 9 is formed between the other side of the magnet 7 and the shell 1; when external magnetic force exists, the magnet 7 drives the stainless iron elastic sheet 8 to move, so that the stainless iron elastic sheet 8 is separated from the power light touch switch 6, and a circuit is disconnected; when the external magnetic force is removed, the stainless iron elastic sheet 8 automatically rebounds to be in contact with the power light touch switch 6, and the circuit is connected.
Adopt the technical scheme of the utility model, through magnetism the mode of inhaling, utilize the power to dabber the cooperation of switch 6, magnetic member and ferromagnetism shell fragment, realize magnetism and inhale the formula switching on and shutting down. When the portable electronic product is adsorbed on the equipment, the portable electronic product is automatically turned off; when the user takes off the portable electronic product, the portable electronic product is automatically started for use.
Further, the battery 4 and the wiring board 3 are connected by welding.
The middle part of the stainless iron elastic sheet 8 is bent to form a groove 10, and the magnet 7 is positioned in the groove 10. The stainless iron elastic sheet 8 is obliquely arranged with the power light touch switch 6 at one end of the power light touch switch 6. Furthermore, an included angle formed between one end of the stainless iron elastic sheet 8 positioned at the power light touch switch 6 and a plane where the power light touch switch 6 is positioned is 1-5 degrees.
Be equipped with nib support 15 in the casing 1, circuit board 3 is fixed on nib support 15, nib module 2 is connected with nib support 15. The shell 1 is provided with a key switch 12, an indicator light 13 and a charging port 11, wherein the key switch 12, the indicator light 13 and the charging port 11 are electrically connected with the circuit board 3.
Further, the magnet 7 has a rectangular parallelepiped shape.
Furthermore, the shell 1 is provided with a switch machine magnetic attraction position mark, so that the operation is convenient and accurate.
As shown in fig. 3, when the stylus is attached to the iron sheet 14 or other magnetic devices, the magnet 7 moves toward the tube wall of the pen tube, i.e., toward the gap 9, and drives the stainless iron elastic sheet 8 to move outward, the power touch switch 6 is turned off, the circuit board 3 is in a power-off state, and the stylus is turned off. As shown in fig. 4, when the stylus is taken down, that is, the magnet 7 is not attracted by external force, the stainless steel elastic sheet 8 naturally rebounds, the power tact switch 6 is closed, the circuit is turned on, and at this time, the circuit board 3 is in a power-on state, and the stylus is turned on.
The above-mentioned embodiments are the preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-mentioned embodiments, and the scope of the present invention includes and is not limited to the above-mentioned embodiments, and all equivalent changes made according to the shape and structure of the present invention are within the protection scope of the present invention.

Claims (10)

1. The utility model provides a nib of active general electric capacity touch-control pen, electric capacity touch-control pen includes the circuit board, its characterized in that: the pen point module comprises a transmitting electrode, a receiving electrode, an insulating layer and a grounding shielding layer, wherein the grounding shielding layer is positioned in the insulating layer, the transmitting electrode penetrates through the middle part of the insulating layer, and the grounding shielding layer is positioned on the outer side of the transmitting electrode; one end of the transmitting electrode is connected with the wear-resistant protection component, and the other end of the transmitting electrode is connected with the circuit board; the receiving electrode is positioned on the outer side of the grounding shielding layer and is electrically connected with the circuit board.
2. The active universal capacitive stylus of claim 1, wherein: the insulating layer and the grounding shielding layer are molded together through an in-mold injection molding process, a channel for inserting the emitter electrode is arranged in the middle of the insulating layer, and the grounding shielding layer is located on the outer side of the channel.
3. The active universal capacitive stylus of claim 2, wherein: the cross section of the grounding shielding layer is circular, and the transmitting electrode, the receiving electrode and the grounding shielding layer are all made of metal materials.
4. An active universal capacitive stylus, comprising: the touch pen comprises a shell, wherein a circuit board, a battery, a pen point and a magnetic switch are arranged in the shell, and the pen point of the active universal capacitance touch pen as claimed in any one of claims 1-3 is adopted;
the magnetic switch comprises a power supply touch switch, a magnetic component and a ferromagnetic elastic sheet, the battery is electrically connected with the circuit board through the power supply touch switch, one end of the ferromagnetic elastic sheet is positioned on one side of the power supply touch switch, one side of the magnetic component of the circuit board is contacted with one side of the middle part of the ferromagnetic elastic sheet, and a gap is arranged on the other side of the magnetic component; when external magnetic force exists, the magnetic component drives the ferromagnetic elastic sheet to move, so that the ferromagnetic elastic sheet is separated from the power supply tact switch, and the circuit is disconnected; when the external magnetic force is removed, the ferromagnetic elastic sheet automatically rebounds to be in contact with the power light touch switch, and the circuit is connected.
5. The active universal capacitive stylus of claim 4, wherein: the other end of the ferromagnetic elastic sheet is connected with the circuit board, the middle of the ferromagnetic elastic sheet is bent to form a groove, and the magnetic component is located in the groove.
6. The active universal capacitive stylus of claim 5, wherein: the ferromagnetic elastic sheet is obliquely arranged with the power light touch switch at one end of the power light touch switch.
7. The active universal capacitive stylus of claim 6, wherein: the ferromagnetic elastic sheet forms an included angle of 1-5 degrees with the plane where the power light touch switch is located at one end of the power light touch switch.
8. The active universal capacitive stylus according to any one of claims 4 to 7, wherein: the ferromagnetic elastic sheet is an elastic stainless iron sheet; the magnetic component is a magnet and is cuboid.
9. The active universal capacitive stylus of claim 8, wherein: the pen point module is characterized in that a pen point support is arranged in the shell, the circuit board is fixed on the pen point support, the pen point module is connected with the pen point support, a key switch, an indicator lamp and a charging port are arranged on the shell, and the key switch, the indicator lamp and the charging port are connected with the circuit board.
10. The active universal capacitive stylus of claim 8, wherein: the shell is provided with a startup and shutdown magnetic attraction position mark.
CN201921243437.2U 2019-08-02 2019-08-02 Active universal capacitive touch pen and pen point thereof Active CN210244311U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921243437.2U CN210244311U (en) 2019-08-02 2019-08-02 Active universal capacitive touch pen and pen point thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921243437.2U CN210244311U (en) 2019-08-02 2019-08-02 Active universal capacitive touch pen and pen point thereof

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113238667A (en) * 2021-04-23 2021-08-10 Oppo广东移动通信有限公司 Stylus, stylus system and control method of stylus
CN113419639A (en) * 2021-06-02 2021-09-21 深圳市信维通信股份有限公司 Preparation process of integrated electrode for capacitance pen and preparation process of nib assembly of capacitance pen
CN115599231A (en) * 2022-11-29 2023-01-13 天津希格玛微电子技术有限公司(Cn) Control method of active capacitance pen and active capacitance pen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113238667A (en) * 2021-04-23 2021-08-10 Oppo广东移动通信有限公司 Stylus, stylus system and control method of stylus
WO2022222662A1 (en) * 2021-04-23 2022-10-27 Oppo广东移动通信有限公司 Stylus, stylus system, and control method for stylus
CN113238667B (en) * 2021-04-23 2024-05-14 Oppo广东移动通信有限公司 Touch pen, touch pen system and control method of touch pen
CN113419639A (en) * 2021-06-02 2021-09-21 深圳市信维通信股份有限公司 Preparation process of integrated electrode for capacitance pen and preparation process of nib assembly of capacitance pen
CN115599231A (en) * 2022-11-29 2023-01-13 天津希格玛微电子技术有限公司(Cn) Control method of active capacitance pen and active capacitance pen

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Address after: Baoan District Xin'an street Shenzhen city Guangdong province 518000 Hing Road No. 38 East Community left three of Xingda business center 302

Patentee after: SHENZHEN QIANFENYI INTELLIGENT TECHNOLOGY Co.,Ltd.

Address before: Room 6008, Chuangxingda Business Building, 38 Liuxian Third Road, Xinan Street, Baoan District, Shenzhen City, Guangdong Province

Patentee before: SHENZHEN QIANFENYI INTELLIGENT TECHNOLOGY Co.,Ltd.