Dual-charging active capacitance pen with pressure-sensitive refill

By designing a dual-charge active capacitive pen with a pressure-sensitive refill, the traditional connection and wireless charging methods are combined, solving the problem of single charging. The writing pressure is detected by gravity pressure sensing, which improves the use effect of the capacitive pen.

CN223413692UActive Publication Date: 2025-10-03YKSONG PEN IND TECH R&D CENT SHENZHEN CO LTD
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Patent Information

Application Number
CN202422971185.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-10-03
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

Existing capacitive pens have a single charging method and cannot be used while charging. In addition, they cannot detect pressure sensing during writing, resulting in poor performance.

Method used

A dual-chargeable active capacitive pen with pressure-sensitive refill is designed. It has both traditional wired charging dock and wireless charging functions, detects writing pressure through gravity pressure sensing, and combines the pen tip and refill to achieve pressure sensing and handwriting control.

Benefits of technology

It provides multiple charging methods to meet the needs of different users, and improves the pressure sensing accuracy when writing, thereby enhancing the use effect of the capacitive pen.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of capacitance pen equipment, and discloses a double-charging active capacitance pen with a pressure-sensitive refill, which is technically characterized by comprising a pen tube, a pen point is arranged at the bottom end of the pen tube, the pen point is connected with the refill positioned in the pen tube, a main support is arranged in an inner cavity of the pen tube, a main board is fixedly mounted on the surface of the main support, and the pressure-sensitive refill is arranged on the main board. A wireless magnetic core is arranged between the main board and the main support, the main support is provided with an FPC tail board, a charging base is arranged on the surface of the FPC tail board, a charging port matched with the charging base is formed in the surface of the pen tube, and the problems that an existing capacitance pen is single in charging mode and poor in using effect are solved. The gravity pressure sensor is arranged to be matched with the refill, so that the pen falling force during writing can be detected and controlled, and then corresponding handwriting can be written on the flat plate; the problem that an existing capacitance pen is poor in pressure sensing precision during writing is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of capacitive pen equipment, in particular to a dual-charge active capacitive pen with a pressure-sensitive pen core. Background Art

[0002] A capacitive stylus is a stylus made of conductive material with conductive properties, used to touch a capacitive screen to complete human-computer interaction operations. A capacitive stylus is an auxiliary device that uses conductive material to imitate the human body (usually a finger) to complete human-computer interaction.

[0003] The existing capacitive stylus has a relatively simple charging method when charging. The capacitive stylus cannot be used for writing during charging, and the capacitive stylus cannot detect and sense the pressure of the pen tip during writing, resulting in poor use of the capacitive stylus. Utility Model Content

[0004] The purpose of the present utility model is to provide a dual-charge active capacitive stylus with a pressure-sensitive pen core to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A dual-charge active capacitive pen with a pressure-sensitive pen core, comprising a pen barrel, a pen tip provided at the bottom end of the pen barrel, the pen tip being connected to the pen core located inside the pen barrel, a tail cap provided at the top end of the pen barrel, a main bracket provided in the inner cavity of the pen barrel, a main board fixedly mounted on the surface of the main bracket, a wireless magnetic core provided between the main board and the main bracket, a bracket cover provided on the surface of the main bracket, a battery provided between the main bracket and the bracket cover, an FPC tail plate provided on the side of the main bracket away from the battery, a charging seat provided on the surface of the FPC tail plate, a charging port cooperating with the charging seat provided on the surface of the pen barrel, a pressure-sensitive bracket provided on the surface of the main bracket, the pressure-sensitive bracket being connected to a gravity pressure sensor, the gravity pressure sensor being connected to the pen core, and a long button extending to the outside of the pen barrel being installed on the surface of the main bracket.

[0007] As a further solution of the present invention: a plurality of groups of magnets distributed in parallel are provided on the surface of the main bracket, and a first mounting groove cooperating with the magnets is opened on the surface of the main bracket.

[0008] As a further solution of the present invention: a second installation groove that cooperates with the wireless magnetic core is opened on the surface of the main bracket.

[0009] As a further solution of the present invention: a shielding layer is sleeved on the outer side of the mainboard, and the shielding layer is a cylindrical structure.

[0010] As a further solution of the present invention: an upper tail bracket is provided on one side of the end of the main bracket, and a lower tail bracket that cooperates with the upper tail bracket is provided on the other side of the end of the main bracket.

[0011] As a further solution of the present invention: a button is provided inside the tail cap, and a button cover extending to the surface of the tail cap is provided on the button surface.

[0012] As a further solution of the present invention: a secondary spring is provided on the surface of the pen core, and a secondary hardware connected to the secondary spring is provided on the tip of the pen.

[0013] Compared with existing technologies, the present invention offers the following advantages: by providing a charging base, a charging port, a wireless magnetic core, and a battery, two different charging methods can be provided for capacitive pens: a traditional wired charging base and a convenient wireless charging method, meeting the needs of different user groups. This solves the problem of existing capacitive pens having a single charging method and poor performance. By providing a gravity pressure sensor that works in conjunction with the pen core, the force applied during writing can be detected and controlled, allowing the corresponding handwriting to be written on a tablet. This solves the problem of poor pressure sensing accuracy of existing capacitive pens. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The present invention is a schematic structural diagram of a dual-charge active capacitive stylus with a pressure-sensitive refill provided in an embodiment of the present invention.

[0015] Figure 2 The figure is a schematic diagram of the exploded structure of a dual-charge active capacitive stylus with a pressure-sensitive refill provided in an embodiment of the present invention.

[0016] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of A in the middle.

[0017] Figure 4 This is a schematic structural diagram of a main bracket in a dual-charge active capacitive stylus with a pressure-sensitive refill provided in an embodiment of the present invention.

[0018] Among them: 1-pen barrel, 2-pen tip, 3-tail cap, 4-long button, 5-charging port, 6-main bracket, 7-FPC tail plate, 8-charging base, 9-magnet, 10-main board, 11-bracket cover, 12-shielding layer, 13-battery, 14-wireless magnetic core, 15-gravity pressure sensor, 16-pressure sensor bracket, 17-upper tail bracket, 18-lower tail bracket, 19-button cover, 20-button, 21-pen refill, 22-secondary spring, 23-secondary hardware, 91-first installation slot, 141-second installation slot. DETAILED DESCRIPTION

[0019] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0020] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0021] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 The figure shows a structural diagram of a dual-charge active capacitive stylus with a pressure-sensitive refill provided by an embodiment of the present invention, comprising a pen tube 1, a pen tip 2 provided at the bottom end of the pen tube 1, the pen tip 2 being connected to a refill 21 located inside the pen tube 1, a tail cap 3 provided at the top end of the pen tube 1, a main bracket 6 provided in the inner cavity of the pen tube 1, a main board 10 fixedly mounted on the surface of the main bracket 6, a wireless magnetic core 14 provided between the main board 10 and the main bracket 6, and a bracket cover 11 provided on the surface of the main bracket 6. A battery 13 is arranged between the main bracket 6 and the bracket cover 11. An FPC tail plate 7 is arranged on the side of the main bracket 6 away from the battery 13. A charging seat 8 is arranged on the surface of the FPC tail plate 7. A charging port 5 that cooperates with the charging seat 8 is opened on the surface of the pen tube 1. A pressure-sensing bracket 16 is arranged on the surface of the main bracket 6. The pressure-sensing bracket 16 is connected to the gravity pressure sensor 15. The gravity pressure sensor 15 is connected to the pen core 21. A long button 4 extending to the outside of the pen tube 1 is installed on the surface of the main bracket 6.

[0022] During use, the pressure applied to the pen tip 2 and refill 21 is analyzed by the gravity pressure sensor 15, detecting the force applied during writing and reflecting the handwriting accordingly on the writing tablet. When the battery 13 is low on power, it can be charged by connecting it to a charger via the charging port 5 or by wirelessly connecting it to an external charging device via the wireless magnetic core 14. This effectively improves work efficiency.

[0023] like Figure 1 、 Figure 2 As shown in FIG. 1 , as a preferred embodiment of the present invention, a plurality of groups of magnets 9 distributed in parallel are provided on the surface of the main bracket 6 , and a first mounting groove 91 cooperating with the magnet 9 is opened on the surface of the main bracket 6 .

[0024] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 As shown in FIG. 1 , as a preferred embodiment of the present invention, a second mounting groove 141 is provided on the surface of the main bracket 6 to cooperate with the wireless magnetic core 14 .

[0025] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 As shown in FIG. 1 , as a preferred embodiment of the present invention, a shielding layer 12 is sleeved on the outer side of the mainboard 10 , and the shielding layer 12 is a cylindrical structure.

[0026] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 As shown in FIG. 1 , as a preferred embodiment of the present invention, an upper tail bracket 17 is provided on one end of the main bracket 6, and a lower tail bracket 18 is provided on the other end of the main bracket 6 to cooperate with the upper tail bracket 17. During use, the upper tail bracket 17 and the lower tail bracket 18 cooperate with each other to further position the main bracket 6, effectively improving the stability of the main bracket 6 within the inner cavity of the pen barrel 1.

[0027] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 As shown in FIG. 1 , as a preferred embodiment of the present invention, a button 20 is provided inside the tail cap 3 , and a button cover 19 extending to the surface of the tail cap 3 is provided on the surface of the button 20 .

[0028] like Figure 1 、 Figure 2 、 Figure 3 As shown, as a preferred embodiment of the present invention, a secondary spring 22 is provided on the surface of the pen core 21, and a secondary hardware 23 connected to the secondary spring 22 is provided at the end of the pen tip 2.

[0029] The working principle of this utility model is that during use, the pressure applied to the pen tip 2 and the pen core 21 is analyzed by the gravity pressure sensor 15, thereby detecting the force applied during writing and producing a corresponding handwriting on the writing tablet. When the battery 13 is low on power, it can be charged by connecting it to a charger via the charging port 5, or by wirelessly connecting it to an external charging device via the wireless magnetic core 14. This can effectively improve work efficiency.

[0030] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A dual-charge active capacitive stylus with a pressure-sensitive refill, comprising a pen barrel, a pen tip disposed at the bottom end of the pen barrel, and characterized in that: The pen tip is connected to the pen core located inside the pen tube, a tail cap is provided at the top of the pen tube, a main bracket is provided in the inner cavity of the pen tube, a main board is fixedly installed on the surface of the main bracket, a wireless magnetic core is provided between the main board and the main bracket, a bracket cover is provided on the surface of the main bracket, a battery is provided between the main bracket and the bracket cover, an FPC tail plate is provided on the side of the main bracket away from the battery, a charging seat is provided on the surface of the FPC tail plate, a charging port that cooperates with the charging seat is opened on the surface of the pen tube, a pressure-sensing bracket is provided on the surface of the main bracket, the pressure-sensing bracket is connected to a gravity pressure sensor, the gravity pressure sensor is connected to the pen core, and a long button extending to the outside of the pen tube is installed on the surface of the main bracket.

2. The dual-charge active capacitive stylus with pressure-sensitive refill according to claim 1, characterized in that: The surface of the main bracket is provided with a plurality of groups of magnets distributed in parallel, and the surface of the main bracket is provided with a first mounting groove that cooperates with the magnets.

3. The dual-charge active capacitive stylus with pressure-sensitive refill according to claim 1, characterized in that: The surface of the main bracket is provided with a second installation groove which cooperates with the wireless magnetic core.

4. The dual-charge active capacitive stylus with pressure-sensitive refill according to claim 1, characterized in that: A shielding layer is sleeved on the outer side of the mainboard, and the shielding layer is a cylindrical structure.

5. The dual-charge active capacitive stylus with pressure-sensitive refill according to claim 1, characterized in that: An upper tail bracket is provided on one side of the end of the main bracket, and a lower tail bracket that cooperates with the upper tail bracket is provided on the other side of the end of the main bracket.

6. The dual-charge active capacitive stylus with pressure-sensitive refill according to claim 1, characterized in that: A button is arranged inside the tail cap, and a button cover extending to the surface of the tail cap is arranged on the button surface.

7. The dual-charge active capacitive stylus with pressure-sensitive refill according to claim 1, characterized in that: The surface of the pen core is provided with a secondary spring, and the tip of the pen is provided with a secondary hardware connected with the secondary spring.