Touch system, control method thereof and touch capacitance pen based on enhanced signal

Abstract

The invention relates to a touch control system and a control method thereof and a touch control capacitance pen based on an enhanced signal, the touch control capacitance pen comprises a pen shell, a signal enhancement module and a power supply trigger module, the signal enhancement module is used for forming an oscillation circuit to enlarge a capacitance field of a first conductive element to enhance a capacitance signal; the signal enhancement module comprises a first conductive element, a second conductive element, an energy storage element and an inductor; and the power supply trigger module is connected between the second conductive element and the energy storage element and is used for generating voltage to supply power to the signal enhancement module so as to trigger capacitance signal output. According to the touch capacitance pen, the first conductive element, the inductor and the energy storage element form the oscillation circuit, the power supply trigger module generates voltage to supply power to the oscillation circuit due to the fact that the tail end of the first conductive element is stressed by external force, the oscillation circuit works to expand the space of a peripheral capacitance field at the tail end of the first conductive element, and capacitance signals of the touch capacitance pen are enhanced; and the interaction effect between the touch capacitive pen and the capacitive touch terminal is improved.

Description

Technical Field

[0001] The present application relates to the field of touch technology, and in particular to a touch system and a control method thereof, and a touch capacitive pen based on enhanced signals. Background Art

[0002] The demand for touch pens is concentrated in business and finance. For high-end desktop POS machines, the demand for touch pens is also a new trend. Currently, the common stylus pens on the market are electromagnetic pens and capacitive pens. Electromagnetic pens are more expensive, so capacitive pens are the best choice. If a passive capacitive pen uses a soft tip, its lifespan is short. If a hard tip capacitive pen uses a small tip, the signal is very weak, which does not provide a good touch experience. Figure 6 As shown, the structure of the existing capacitive pen is very simple. It uses conductive rubber to sense part of the touch screen capacitance signal. The touch screen determines the touch coordinates based on the sensed capacitance signal. In addition, the passive pen contact area of ​​the capacitive pen is small, the signal is very weak, the performance and experience are not good, and the waterproof mode cannot be realized. Summary of the invention

[0003] The present application provides a touch control system and a control method thereof, and a touch capacitive pen based on enhanced signals, which are used to solve the technical problems that the existing touch capacitive pen has a small tip, a very weak signal, and a poor touch experience.

[0004] In order to achieve the above objectives, this application provides the following technical solutions:

[0005] In one aspect, a capacitive touch pen based on enhanced signal is provided, comprising:

[0006] A pen case, used for supporting, wherein a first accommodating cavity is provided in the pen case;

[0007] a signal enhancement module, built in the first accommodating cavity, the signal enhancement module is used to form an oscillation circuit to amplify the capacitance field of the first conductive element and enhance the capacitance signal, the signal enhancement module includes a first conductive element, a second conductive element, an energy storage element and an inductor, the first conductive element is arranged in the first accommodating cavity, a second accommodating cavity is opened in the first conductive element, the second conductive element is arranged around the wall of the second accommodating cavity, the energy storage element is arranged in the second accommodating cavity and connected to the second conductive element, and the inductor is connected in parallel with the energy storage element;

[0008] A power supply trigger module is built into the second accommodating cavity and connected between the second conductive element and the energy storage element. The power supply trigger module is used to generate a voltage to supply power to the signal enhancement module to trigger the output of the capacitive signal.

[0009] Preferably, the power supply trigger module includes an elastic element, a piezoelectric element connected to the elastic element, and a rectifying element connected to the piezoelectric element, the rectifying element is also connected in parallel with the energy storage element, and the elastic element is also connected to the second conductive element; the power supply trigger module is used to transfer the pressure of the external force on the first conductive element to the piezoelectric element through the elastic element, the piezoelectric element is squeezed by the pressure to generate a voltage, and the voltage is rectified by the rectifying element to power the signal enhancement module.

[0010] Preferably, the elastic element is a spring sheet made of metal; and / or the piezoelectric element is a piezoelectric ceramic; and / or the rectifying element is a bridge rectifier diode.

[0011] Preferably, the signal enhancement module includes a third conductive element, which is used to concentrate the capacitive signal in the first conductive element to the end of the first conductive element. The third conductive element is built into the first conductive element and located below the second accommodating cavity, and the third conductive element is connected to the second conductive element.

[0012] Preferably, the first conductive element is a high-impedance conductive rubber.

[0013] Preferably, the second conductive element is a conductive element made of metal material.

[0014] Preferably, the third conductive element is a conductive rod made of metal material.

[0015] Preferably, the energy storage element is used to store electrical energy, and the energy storage element is a capacitor.

[0016] On the other hand, a touch control system is provided, including the above-mentioned capacitive touch pen based on enhanced signal and a capacitive touch terminal for receiving a capacitive signal emitted by the capacitive touch pen based on enhanced signal.

[0017] On the other hand, a control method of a touch control system is provided, which is applied to the touch control system described above, and the control method includes:

[0018] Acquire capacitance data of a capacitive touch terminal and capacitance change data between a capacitive touch pen and the capacitive touch terminal based on an enhanced signal, wherein the capacitance data includes capacitances of each node and coordinates and capacitance values ​​of each node capacitance, and the capacitance change data includes an initial capacitance value before contact and a coupling capacitance value after contact;

[0019] Determine a touch coordinate corresponding to the coupling capacitance value according to a comparison between the initial capacitance value of the capacitance change data and the capacitance value of each node capacitance in the capacitance data;

[0020] The capacitive touch terminal triggers an operation corresponding to the touch coordinates according to the touch coordinates.

[0021] The touch control system and its control method and the touch control capacitive pen based on enhanced signal, the touch control capacitive pen based on enhanced signal comprises a pen shell for support, a first accommodating cavity is provided in the pen shell; a signal enhancement module is built in the first accommodating cavity, the signal enhancement module is used to form an oscillation circuit to expand the capacitance field of the first conductive element and enhance the capacitance signal, the signal enhancement module comprises a first conductive element, a second conductive element, an energy storage element and an inductor, the first conductive element is arranged in the first accommodating cavity, a second accommodating cavity is provided in the first conductive element, the second conductive element is arranged around the wall of the second accommodating cavity, the energy storage element is arranged in the second accommodating cavity and connected to the second conductive element, and the inductor is connected in parallel with the energy storage element; a power supply trigger module is built in the second accommodating cavity and connected between the second conductive element and the energy storage element, the power supply trigger module is used to generate voltage to supply power to the signal enhancement module to trigger the capacitance signal output.

[0022] It can be seen from the above technical scheme that the present application has the following advantages: the touch capacitive pen based on the enhanced signal forms an oscillation circuit through the first conductive element, inductor and energy storage element of the signal enhancement module, and then the power supply trigger module generates voltage to power the oscillation circuit through the pressure of the external force on the end of the first conductive element. The operation of the oscillation circuit expands the space of the capacitance field around the end of the first conductive element, thereby enhancing the capacitance signal of the touch capacitive pen based on the enhanced signal, and improving the touch interaction effect between the touch capacitive pen based on the enhanced signal and the capacitive touch terminal; it solves the technical problem that the tip of the existing touch capacitive pen is small, the signal is very weak, and the touch experience is not good.

[0023] The touch control system adopts the signal enhancement module of the touch capacitive pen based on the enhanced signal to expand the capacitive field in contact with the capacitive touch terminal, enhance the capacitive signal of the touch capacitive pen based on the enhanced signal, and improve the interaction effect between the touch capacitive pen based on the enhanced signal and the capacitive touch terminal.

[0024] The control method of the touch control system improves the touch interaction effect between the touch control capacitive pen based on the enhanced signal and the capacitive touch terminal through the touch control capacitive pen based on the enhanced signal. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0026] Figure 1 This is a schematic diagram of the structure of a capacitive touch pen based on enhanced signals according to an embodiment of the present application;

[0027] Figure 2 A schematic diagram of a framework of a capacitive touch pen based on enhanced signals according to an embodiment of the present application;

[0028] Figure 3 A circuit diagram of a capacitive touch pen based on enhanced signals according to an embodiment of the present application;

[0029] Figure 4 A schematic diagram of the framework of the touch control system according to an embodiment of the present application;

[0030] Figure 5 A schematic diagram of the steps of the control method of the touch control system according to an embodiment of the present application;

[0031] Figure 6 It is a structural schematic diagram of an existing capacitive stylus. Figure 6 1 represents conductive rubber, 2 represents pen shell, and 3 represents metal ring. DETAILED DESCRIPTION

[0032] In order to make the purpose, features, and advantages of the invention of this application more obvious and easy to understand, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the embodiments described below are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0033] In the description of the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0034] In the embodiments of the present application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0035] Patent terms for this application:

[0036] Conductive rubber is made by evenly distributing conductive particles such as silver-plated glass, silver-plated aluminum, and silver in silicone rubber, and using pressure to make the conductive particles contact to achieve good conductive properties.

[0037] High impedance conductive rubber refers to conductive rubber whose impedance is generally between 10KΩ / cm² and 100KΩ / cm².

[0038] Piezoelectric ceramics are a type of information functional ceramic material that can convert mechanical energy and electrical energy into each other - the piezoelectric effect. In addition to piezoelectricity, piezoelectric ceramics also have dielectric properties and elasticity.

[0039] The embodiments of the present application provide a touch system and a control method thereof, and a touch capacitive pen based on enhanced signals, which solve the technical problems that the existing touch capacitive pens have small nibs, very weak signals, and poor touch experience.

[0040] Embodiment 1:

[0041] Figure 1 Schematic diagram of the structure of the touch capacitive pen based on enhanced signal according to the embodiment of the present application, Figure 2 This is a schematic diagram of the framework of the touch capacitive pen based on enhanced signal described in an embodiment of the present application.

[0042] like Figure 1 and Figure 2 As shown, an embodiment of the present application provides a touch capacitive pen based on enhanced signals, including a pen housing 10 and a signal enhancement module 20 and a power supply trigger module 30 arranged in the pen housing 10 .

[0043] In the embodiment of the present application, the pen housing 10 is used for support, and a first accommodating cavity is defined in the pen housing 10 .

[0044] It should be noted that the pen housing 10 is used to support the signal enhancement module 20 and the power supply trigger module 30. In this embodiment, the pen housing 10 can be made of metal or plastic.

[0045] In an embodiment of the present application, the signal enhancement module 20 is built into the first accommodating cavity. The signal enhancement module 20 is used to form an oscillation circuit to expand the capacitance field of the first conductive element 21 and enhance the capacitance signal. The signal enhancement module 20 includes a first conductive element 21, a second conductive element 22, an energy storage element 23 and an inductor L. The first conductive element 21 is arranged in the first accommodating cavity. A second accommodating cavity 211 is opened in the first conductive element 21. The second conductive element 22 is arranged around the wall of the second accommodating cavity 211. The energy storage element 23 is arranged in the second accommodating cavity 211 and is connected to the second conductive element 22. The inductor L is connected in parallel with the energy storage element 23.

[0046] It should be noted that the first conductive element 21 can be the pen body of the touch capacitive pen based on the enhanced signal, and the first conductive element 21 can be a high-impedance conductive rubber. The second conductive element 22 can be a conductive element made of metal material. The energy storage element 23 is used to store electrical energy, and the energy storage element 23 can be a capacitor. In this embodiment, the first conductive element 21, the inductor L and the energy storage element 23 line constitute an oscillation circuit, which can expand the space of the capacitance field around the tip of the pen body of the first conductive element 21, thereby enhancing the capacitance signal of the touch capacitive pen based on the enhanced signal, so that the interaction effect between the touch capacitive pen based on the enhanced signal and the capacitive touch terminal is good. The structure of the touch capacitive pen based on the enhanced signal is easy to standardize and can be promoted and industrialized on a large scale. Among them, the energy storage element 23 is used to store energy. In other embodiments, the energy storage element 23 can also be an inductor for energy storage.

[0047] In an embodiment of the present application, the power supply trigger module 30 is built into the second accommodating cavity 211, and the power supply trigger module 30 is connected between the second conductive element 22 and the energy storage element 23. The power supply trigger module 30 is used to generate voltage to power the signal enhancement module 20 to trigger the capacitor signal output.

[0048] It should be noted that the power supply trigger module 30 is used to supply power to the signal enhancement module 20, so that the touch capacitive pen based on the enhanced signal can work normally without battery energy storage, so that the touch capacitive pen based on the enhanced signal has no battery life anxiety and the power supply is safe and pollution-free.

[0049] In the embodiment of the present application, the touch capacitive pen based on the enhanced signal uses the signal enhancement module 20 to apply pressure to the end of the first conductive element 21 so that the power supply trigger module 30 generates a voltage to power the oscillation circuit, allowing the oscillation circuit to work, expanding the space of the capacitance field around the tip of the pen body of the first conductive element 21, thereby enhancing the capacitance signal of the touch capacitive pen based on the enhanced signal, so that the interaction effect between the touch capacitive pen based on the enhanced signal and the capacitive touch terminal is better.

[0050] A capacitive stylus based on enhanced signal provided by the present application includes a pen shell for support, and a first accommodation cavity is formed in the pen shell; a signal enhancement module is built in the first accommodation cavity. The signal enhancement module is used to form an oscillation circuit to expand the capacitance field of the first conductive element and enhance the capacitance signal. The signal enhancement module includes a first conductive element, a second conductive element, an energy storage element and an inductor. The first conductive element is arranged in the first accommodation cavity, and a second accommodation cavity is formed in the first conductive element. The second conductive element is arranged around the wall surface of the second accommodation cavity. The energy storage element is arranged in the second accommodation cavity and connected to the second conductive element. The inductor is connected in parallel with the energy storage element; a power supply trigger module is built in the second accommodation cavity and connected between the second conductive element and the energy storage element. The power supply trigger module is used to generate a voltage to supply power to the signal enhancement module to trigger the output of the capacitance signal. The capacitive stylus based on enhanced signal forms an oscillation circuit through the first conductive element, the inductor and the energy storage element of the signal enhancement module, and then the pressure of the external force on the end of the first conductive element causes the power supply trigger module to generate a voltage to supply power to the oscillation circuit. The oscillation circuit works to expand the space of the capacitance field around the end of the first conductive element, thereby enhancing the capacitance signal of the capacitive stylus based on enhanced signal and improving the touch interaction effect between the capacitive stylus based on enhanced signal and the capacitive touch terminal; it solves the technical problem that the tip of the existing capacitive stylus is small, the signal is very weak, and the touch use experience is not good.

[0051] As Figure 1 shown, in an embodiment of the present application, the power supply trigger module 30 includes an elastic element 31, a piezoelectric element 32 connected to the elastic element 31, and a rectifying element 33 connected to the piezoelectric element 32. The rectifying element 33 is also connected in parallel with the energy storage element 23. The elastic element 31 is also connected to the second conductive element 22; the power supply trigger module 30 is used to transfer the pressure to the piezoelectric element 32 through the elastic element 31 according to the pressure of the external force on the first conductive element 21. The piezoelectric element 32 generates a voltage under the pressure extrusion, and the voltage is rectified by the rectifying element 33 and then supplies power to the signal enhancement module 20.

[0052] It should be noted that the elastic element 31 can be a spring piece made of metal. The piezoelectric element 32 can be a piezoelectric ceramic. The rectifying element 33 can be a bridge rectifier diode. In this embodiment, when the capacitive stylus based on enhanced signal is in use, the first conductive element 21 squeezes the piezoelectric element 32 by an external force, and the piezoelectric element 32 generates an instantaneous voltage due to the squeezing pressure. The voltage is output through the rectifying element 33. In other embodiments, the elastic element 31 can also be selected as other shaped components with elastic functions, such as springs, leaf springs, etc. The rectifying element 33 can also be a thyristor, an insulated gate bipolar transistor (IGBT), a field effect transistor, etc. with rectifying functions.

[0053] Figure 3 Schematic diagram of the circuit of the touch capacitive pen based on enhanced signal according to the embodiment of the present application.

[0054] As Figure 3 shown, in an embodiment of the present application, the signal enhancement module 30 includes a third conductive element 24, and the third conductive element 24 is used to concentrate the capacitance signal in the first conductive element 21 to the end of the first conductive element 21. The third conductive element 24 is built in the first conductive element 21 and is located below the second accommodation cavity 221, and the third conductive element 24 is connected to the second conductive element 22.

[0055] It should be noted that the third conductive element 24 can be selected as a conductive rod made of metal material.

[0056] Embodiment Two:

[0057] Figure 4 Schematic diagram of the framework of the touch system according to the embodiment of the present application.

[0058] As Figure 4 shown, the embodiment of the present application provides a touch system, including the above-mentioned touch capacitive pen 100 based on enhanced signal and a capacitive touch terminal 200 for receiving the capacitance signal emitted by the touch capacitive pen 100 based on enhanced signal.

[0059] It should be noted that the content of the touch capacitive pen based on enhanced signal has been described in Embodiment One, and the content of the touch capacitive pen based on enhanced signal will not be repeated in this embodiment. In this embodiment, the touch system uses the signal enhancement module of the touch capacitive pen 100 based on enhanced signal to expand the capacitance field in contact with the capacitive touch terminal 200, enhance the capacitance signal of the touch capacitive pen 100 based on enhanced signal, and improve the interaction effect between the touch capacitive pen 100 based on enhanced signal and the capacitive touch terminal 200.

[0060] Embodiment Three:

[0061] Figure 5 Schematic diagram of the steps of the control method of the touch system according to the embodiment of the present application.

[0062] As Figure 5 shown, the embodiment of the present application provides a control method of a touch system, which is applied to the above-mentioned touch capacitive pen based on enhanced signal. The control method includes the following steps:

[0063] S1. Obtain the capacitance data of the capacitive touch terminal and the capacitance change data between the touch capacitive pen based on enhanced signal and the capacitive touch terminal. The capacitance data includes the capacitance of each node and the coordinates and capacitance values of each node capacitance. The capacitance change data includes the initial capacitance value before contact and the coupled capacitance value after contact;

[0064] S2. Determine the touch coordinates corresponding to the coupling capacitance value based on the comparison of the initial capacitance value of the capacitance change data with the capacitance value of each node capacitance in the capacitance data;

[0065] S3. The capacitive touch terminal triggers an operation corresponding to the touch coordinates according to the touch coordinates.

[0066] It should be noted that the content of the touch capacitive pen based on the enhanced signal has been described in Example 1, and the content of the touch capacitive pen based on the enhanced signal will not be repeated in this embodiment. In this embodiment, the capacitive touch terminal can be a capacitive screen, and the capacitive screen itself has a matrix of capacitors, such as the capacitors in the matrix are called node capacitors, such as 10*10 node capacitors. When the capacitance of the touch capacitive pen based on the enhanced signal is coupled to the initial capacitance value of the capacitive screen itself, the matrix capacitance of the capacitive screen itself will change to obtain the coupling capacitance value, and the capacitive screen can compare the initial capacitance value of the capacitance change data with the capacitance value of each node capacitance in the capacitance data to obtain the comparison ratio to determine the touch coordinates of the coupled position. For example, if the capacitance coupling in the 4th row and the 5th column changes, the touch coordinates (X, Y) = (5, 4) will be given.

[0067] In an embodiment of the present application, the control method of the touch control system improves the touch interaction effect between the capacitive touch pen based on the enhanced signal and the capacitive touch terminal through the capacitive touch pen based on the enhanced signal.

[0068] Exemplarily, the computer program may be divided into one or more modules / units, one or more modules / units are stored in a memory and executed by a processor to complete the present application. One or more modules / units may be a series of computer program instruction segments capable of completing a specific function, and the instruction segments are used to describe the execution process of the computer program in a terminal device.

[0069] The terminal device may be a computing device such as a desktop computer, a notebook, a PDA, or a cloud server. The terminal device may include, but is not limited to, a processor and a memory. Those skilled in the art will appreciate that this does not constitute a limitation on the terminal device, and may include more or fewer components than shown in the figure, or a combination of certain components, or different components. For example, the terminal device may also include input and output devices, network access devices, buses, etc.

[0070] The processor may be a central processing unit (CPU), other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general-purpose processor may be a microprocessor or any conventional processor, etc.

[0071] The memory can be an internal storage unit of the terminal device, such as a hard disk or memory of the terminal device. The memory can also be an external storage device of the terminal device, such as a plug-in hard disk equipped on the terminal device, a SmartMedia Card (SMC), a Secure Digital (SD) card, a Flash Card, etc. Furthermore, the memory can also include both the internal storage unit of the terminal device and the external storage device. The memory is used to store computer programs and other programs and data required by the terminal device. The memory can also be used to temporarily store data that has been output or is to be output.

[0072] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0073] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be an indirect coupling or communication connection through some interfaces, devices or units, which can be electrical, mechanical or other forms.

[0074] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0075] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0076] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, etc. Various media that can store program codes.

[0077] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A capacitive touch pen based on enhanced signal, characterized in that: include: A pen case, used for supporting, wherein a first accommodating cavity is provided in the pen case; a signal enhancement module, built in the first accommodating cavity, the signal enhancement module is used to form an oscillation circuit to amplify the capacitance field of the first conductive element and enhance the capacitance signal, the signal enhancement module includes a first conductive element, a second conductive element, an energy storage element and an inductor, the first conductive element is arranged in the first accommodating cavity, a second accommodating cavity is opened in the first conductive element, the second conductive element is arranged around the wall of the second accommodating cavity, the energy storage element is arranged in the second accommodating cavity and connected to the second conductive element, and the inductor is connected in parallel with the energy storage element; A power supply trigger module is built in the second accommodating cavity and connected between the second conductive element and the energy storage element. The power supply trigger module is used to generate a voltage to supply power to the signal enhancement module to trigger the output of the capacitive signal.

2. The touch capacitive pen based on enhanced signal according to claim 1, characterized in that: The power supply trigger module includes an elastic element, a piezoelectric element connected to the elastic element, and a rectifying element connected to the piezoelectric element, the rectifying element is also connected in parallel to the energy storage element, and the elastic element is also connected to the second conductive element; the power supply trigger module is used to transfer the pressure of the external force on the first conductive element to the piezoelectric element through the elastic element, the piezoelectric element is squeezed by the pressure to generate a voltage, and the voltage is rectified by the rectifying element to power the signal enhancement module.

3. The touch capacitive pen based on enhanced signal according to claim 2, characterized in that: The elastic element is a spring sheet made of metal; and / or the piezoelectric element is a piezoelectric ceramic; and / or the rectifying element is a bridge rectifier diode.

4. The touch capacitive pen based on enhanced signal according to claim 1, characterized in that: The signal enhancement module includes a third conductive element, which is used to concentrate the capacitive signal in the first conductive element to the end of the first conductive element. The third conductive element is built into the first conductive element and located below the second accommodating cavity. The third conductive element is connected to the second conductive element.

5. The touch capacitive pen based on enhanced signal according to claim 4, characterized in that: The third conductive element is a conductive rod made of metal material.

6. The capacitive touch pen based on enhanced signal according to any one of claims 1 to 5, characterized in that: The first conductive element is a high-impedance conductive rubber.

7. The capacitive touch pen based on enhanced signal according to any one of claims 1 to 5, characterized in that: The second conductive element is a conductive element made of metal material.

8. The capacitive touch pen based on enhanced signal according to any one of claims 1 to 5, characterized in that: The energy storage element is used to store electrical energy, and the energy storage element is a capacitor.

9. A touch control system, characterized in that: It comprises a capacitive touch pen based on enhanced signal as described in any one of claims 1 to 8 and a capacitive touch terminal for receiving a capacitive signal emitted by the capacitive touch pen based on enhanced signal.

10. A control method of a touch control system, applied to the touch control system according to claim 9, characterized in that: The control method includes: Acquire capacitance data of a capacitive touch terminal and capacitance change data between a capacitive touch pen and the capacitive touch terminal based on an enhanced signal, wherein the capacitance data includes capacitances of each node and coordinates and capacitance values ​​of each node capacitance, and the capacitance change data includes an initial capacitance value before contact and a coupling capacitance value after contact; Determine the touch coordinates corresponding to the coupling capacitance value according to the comparison between the initial capacitance value of the capacitance change data and the capacitance value of each node capacitance in the capacitance data; The capacitive touch terminal triggers an operation corresponding to the touch coordinates according to the touch coordinates.

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