WO2021103073A1 - Haptic vibration feedback circuit, and control method and apparatus - Google Patents

Haptic vibration feedback circuit, and control method and apparatus Download PDF

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Publication number
WO2021103073A1
WO2021103073A1 PCT/CN2019/123011 CN2019123011W WO2021103073A1 WO 2021103073 A1 WO2021103073 A1 WO 2021103073A1 CN 2019123011 W CN2019123011 W CN 2019123011W WO 2021103073 A1 WO2021103073 A1 WO 2021103073A1
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WIPO (PCT)
Prior art keywords
feedback
vibration feedback
force tactile
force
tactile vibration
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PCT/CN2019/123011
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French (fr)
Chinese (zh)
Inventor
秦英明
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瑞声声学科技(深圳)有限公司
瑞声科技(新加坡)有限公司
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Publication of WO2021103073A1 publication Critical patent/WO2021103073A1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means

Definitions

  • the present invention relates to the technical field of force tactile feedback, in particular to a force tactile vibration feedback circuit, control method and device.
  • the mechanical structure buttons do not have tactile vibration feedback prompts, which causes the driver to easily distract the driver's attention during the process of pressing the mechanical structure buttons.
  • the purpose of the present invention is to provide a force-tactile vibration feedback circuit, control method and device, which can solve the technical problem of the inability of force-tactile vibration feedback prompts in the key structure in the prior art.
  • the first aspect of the present invention provides a force tactile vibration feedback circuit, the force tactile vibration feedback circuit comprising:
  • the pressure film module is used to detect the pressure value generated by the user's pressing event
  • the capacitive screen module is used to detect the pressing position parameter of the user's pressing event
  • the processor is configured to generate a force tactile vibration feedback signal based on the pressure value and the pressing position parameter;
  • the force tactile feedback module is configured to perform force tactile vibration feedback according to the force tactile vibration feedback signal.
  • the force tactile feedback module includes: a signal amplifier electrically connected to the processor and a vehicle-mounted motor, and the signal amplifier is also electrically connected to the vehicle-mounted motor;
  • the signal amplifier is used to perform power amplification processing on the force tactile vibration feedback signal to generate force tactile vibration feedback amplified signal;
  • the vehicle-mounted motor is used to use the force tactile vibration feedback amplifying signal to perform force tactile vibration feedback.
  • the capacitive screen module and the pressure film module are superimposed and arranged, and the pressure film module is located on a side opposite to the touch surface of the capacitive screen module.
  • the second aspect of the present invention provides a control method of force tactile vibration feedback, which is applied to the force tactile vibration feedback circuit described in the first aspect of the present invention, and the control method includes the following steps:
  • the force tactile vibration feedback signal is sent to the force tactile feedback module to perform force tactile vibration feedback.
  • the step of generating a force tactile vibration feedback signal according to the pressure value and the pressing position parameter includes:
  • the pressure value is compared with a preset pressure threshold value, and if the pressure value is greater than or equal to the pressure threshold value, the pressure feedback coefficient is generated, and the pressure feedback coefficient is a tactile vibration that determines the triggering force of the pressing event Feedback coefficient;
  • a force tactile vibration feedback signal is generated according to the pressure feedback coefficient and the pressing position parameter.
  • the step of generating a force tactile vibration feedback signal according to the pressure feedback coefficient and the pressing position parameter includes:
  • the pressing position parameter includes the current variation coefficient of the pressing position
  • the pressing position feedback coefficient is a coefficient for determining the force haptic vibration feedback performed on the pressing position
  • a force tactile vibration feedback signal is generated according to the pressure feedback coefficient and the pressing position feedback coefficient.
  • the step of generating a force tactile vibration feedback signal according to the pressure feedback coefficient and the pressing position feedback coefficient includes:
  • the force tactile vibration feedback effect corresponding to the pressing event in the vibration feedback effect library cannot be found according to the pressure feedback coefficient and the pressing position feedback coefficient, then the force tactile vibration feedback effect corresponding to the pressing event is calculated and generated. Force tactile vibration feedback effect.
  • the step of sending the force haptic vibration feedback signal to the force haptic feedback module includes:
  • the force tactile feedback module includes: a signal amplifier and a vehicle-mounted motor;
  • the vehicle-mounted motor is controlled to perform force haptic vibration feedback.
  • a third aspect of the present invention provides a control device for force tactile vibration feedback, corresponding to the control method for force tactile vibration feedback according to the second aspect of the present invention, the control device includes:
  • the signal receiving module is used to receive the pressure value sent by the pressure membrane module and the pressing position signal sent by the capacitive screen module;
  • a signal processing module configured to generate a force tactile vibration feedback signal according to the pressure value and the pressing position signal
  • the signal sending module is further configured to send the force tactile vibration feedback signal to the force tactile feedback module to perform force tactile vibration feedback.
  • a force tactile vibration feedback circuit, control method and device including: a pressure membrane module, a capacitive screen module, a processor electrically connected to the pressure membrane module and the capacitive screen module, and The force tactile feedback module electrically connected to the processor; the pressure film module is used to detect the pressure value generated by the user's pressing event; the capacitive screen module is used to detect the pressing position parameter of the user's pressing event; the processing The device is used to generate a force tactile vibration feedback signal based on the pressure value and the pressing position parameter; the force tactile feedback module is used to perform force tactile vibration feedback using the force tactile vibration feedback signal.
  • the pressure value of the pressing event can be obtained through the pressure membrane module, and the pressing position parameter of the pressing event can be obtained through the capacitive screen module, and then the processor generates a force tactile vibration feedback signal based on the pressure value and the pressing position parameter, Finally, the force tactile feedback module is used to perform force tactile vibration feedback according to the force tactile vibration feedback signal, so that the button structure has force tactile vibration feedback prompts and provides user experience.
  • FIG. 1 is a structural diagram of a force tactile vibration feedback circuit provided by the first aspect of the present invention
  • Figure 2 is a structural diagram of a force tactile feedback module provided by the implementation of the present invention.
  • FIG. 3 is a flow chart of the steps of a control method for force tactile vibration feedback provided by the second aspect of the present invention.
  • FIG. 4 is a block diagram of a module of a control device for force tactile vibration feedback provided by the third aspect of the present invention.
  • the purpose of the present invention is to provide a force tactile vibration feedback circuit, control method and device.
  • the first aspect of the present invention provides a force tactile vibration feedback circuit. Please refer to Figures 1 and 2.
  • FIG. 1 is a diagram of the structure of a force tactile vibration feedback circuit provided by the first aspect of the present invention.
  • FIG. 2 is an implementation of the present invention.
  • the force tactile vibration feedback circuit includes:
  • the pressure film module 101 is used to detect the pressure value generated by the user's pressing event
  • the capacitive screen module 102 is used to detect the pressing position parameter of the user's pressing event
  • the processor 103 is configured to generate a force tactile vibration feedback signal based on the pressure value and the pressing position parameter;
  • the force tactile feedback module 104 is configured to use force tactile vibration feedback signals to perform force tactile vibration feedback.
  • the force tactile vibration feedback circuit is applied to a vehicle-mounted key structure in an automobile, and the vehicle-mounted key structure is a structure with one or more virtual keys.
  • the button structure has the above-mentioned force tactile vibration feedback circuit.
  • the components in the circuit include: a pressure membrane module 101 for detecting the pressure value generated by the user pressing the virtual button, and a capacitor for detecting the pressing position parameter of the user's pressing event.
  • the structure has force tactile vibration feedback prompts.
  • the force haptic feedback module 104 includes: a signal amplifier 1041 and a vehicle-mounted motor 1042 that are electrically connected to the processor 103, and the signal amplifier 1041 is also electrically connected to the vehicle-mounted motor 1042;
  • the signal amplifier 1041 is used to perform power amplification processing on the force tactile vibration feedback signal to generate the force tactile vibration feedback amplified signal;
  • the in-vehicle motor 1042 is used to use the force haptic vibration feedback amplifying signal for force haptic vibration feedback.
  • the force tactile feedback module 104 in the circuit of this embodiment includes: a signal amplifier 1041 and an on-board motor 1042.
  • the processor 103 sends the generated force tactile vibration feedback signal to the signal amplifier 1041; the signal power amplification processing is performed by the signal amplifier 1041 , The force tactile vibration feedback amplified signal is obtained; the on-board motor 1042 performs force tactile vibration feedback according to the force tactile vibration feedback amplified signal.
  • the signal amplifier 1041 in this embodiment can perform power amplification processing on the force tactile vibration feedback signal, so that the on-board motor 1042 can adapt to the signal and perform force tactile vibration feedback with corresponding feedback strength.
  • the capacitive screen module 102 and the pressure film module 101 are superimposed and arranged, and the pressure film module 101 is located on the opposite side of the touch surface of the capacitive screen module 102.
  • the button structure is a shell structure with a housing space, and the capacitive screen module 102 and the pressure membrane module 101 are arranged Inside the button structure, the pressure film module 101 is located on the opposite side of the touch surface of the capacitive screen module 102, and the other side of the pressure film module 101 is set at the bottom of the virtual button.
  • the pressure film module 101 first detects the pressure value of the pressing event, and then the capacitive screen module 102 detects the pressing position parameter of the pressing event, which improves the accuracy of detecting the pressing event.
  • the second aspect of the present invention provides a control method of force tactile vibration feedback, which is applied to the force tactile vibration feedback circuit in the first aspect of the present invention. Please refer to FIG. 3, which is a force provided by the second aspect of the present invention.
  • a step flow chart of the control method of haptic vibration feedback; the control method includes the following steps:
  • S201 receiving the pressure value of the pressing event sent by the pressure membrane module, and receiving the pressing position parameter of the pressing event sent by the capacitive screen module;
  • S203 Send the force tactile vibration feedback signal to the force tactile feedback module to perform force tactile vibration feedback.
  • the control method of the force tactile vibration feedback is applied to the force tactile vibration feedback circuit in the first aspect of the present invention.
  • the control method first sends the pressure value of the pressing event by the receiving pressure membrane module, and receives the pressing position parameter of the pressing event sent by the capacitive screen module; then generates the force tactile vibration feedback signal according to the pressure value and the pressing position parameter; finally feedbacks the force tactile vibration
  • the signal is sent to the force tactile feedback module to perform force tactile vibration feedback.
  • the step of generating a force tactile vibration feedback signal according to the pressure value and the pressing position parameter includes:
  • the pressure value is compared with the preset pressure threshold value. If the pressure value is greater than or equal to the pressure threshold value, a pressure feedback coefficient is generated, and the pressure feedback coefficient is a coefficient that determines the force haptic vibration feedback that is triggered by a pressing event;
  • the force tactile vibration feedback signal is generated.
  • the pressure value when the pressure value from the pressure membrane module is received, the pressure value needs to be compared with a preset pressure threshold to determine whether the user's pressing event is valid, and then to determine whether to force the user's pressing event Tactile vibration feedback. Specifically, the pressure value is compared with the preset pressure threshold value. When the pressure value is greater than or equal to the pressure threshold value, it is determined that the user's pressing event is valid, and a pressure feedback coefficient is generated. The pressure feedback coefficient is used to determine the force tactile vibration feedback signal.
  • the step of generating a force tactile vibration feedback signal according to the pressure feedback coefficient and the pressing position parameter includes:
  • the pressing position parameter includes the current variation coefficient of the pressing position
  • a press position feedback coefficient is generated, and the press position feedback coefficient is a coefficient that determines the force tactile vibration feedback of the pressed position;
  • the force tactile vibration feedback signal is generated according to the pressure feedback coefficient and the pressing position feedback coefficient.
  • the pressing position parameter is mainly determined based on the position of the current change on the detection surface of the capacitive screen module, and the position of the current change is the pressing position corresponding to the user's pressing event.
  • the compression position parameter includes the current variation coefficient of the compression position, the current variation coefficient in the compression position parameter is extracted, and the current variation coefficient is compared with the preset current variation threshold. When the current variation coefficient is greater than or equal to the preset current variation The threshold value is used to generate a pressing position feedback coefficient, and the pressing position feedback coefficient is used to participate in determining the force haptic vibration feedback signal.
  • the step of generating a force tactile vibration feedback signal according to the pressure feedback coefficient and the pressing position feedback coefficient includes:
  • the force tactile vibration feedback effect corresponding to the pressing event in the vibration feedback effect library cannot be found according to the pressure feedback coefficient and the pressing position feedback coefficient, the force tactile vibration feedback effect corresponding to the pressing event is calculated and generated.
  • the embodiment of the present invention includes a vibration feedback effect library, and the vibration feedback effect includes the force tactile vibration feedback effect corresponding to the pressing event; in this embodiment, the pressure feedback coefficient and the pressing position feedback coefficient for the pressing event are correspondingly calculated. After comparing the threshold values of, it is determined that force tactile vibration feedback is performed on the user's pressing event, and then the vibration feedback effect library is searched according to the pressure feedback coefficient and the pressing position feedback coefficient to obtain the force tactile vibration feedback signal;
  • the vibration feedback effect library is searched according to the pressure feedback coefficient and the pressing position feedback coefficient. If the force tactile vibration feedback effect corresponding to the pressing event cannot be found, Then, calculation processing is performed based on the pressure feedback coefficient and the pressing position feedback coefficient, and the force tactile vibration feedback effect corresponding to the pressing event is generated.
  • step of sending the force tactile vibration feedback signal to the force tactile feedback module includes:
  • Force tactile feedback module includes: signal amplifier and vehicle-mounted motor;
  • the vehicle-mounted motor is controlled to perform force haptic vibration feedback.
  • the force tactile vibration feedback signal needs to be power amplified to obtain the force tactile vibration feedback amplification signal, so that the relevant feedback device performs the amplification signal according to the amplified force tactile vibration feedback signal.
  • Vibration feedback the force tactile feedback module in the circuit of this embodiment includes a signal amplifier and an on-board motor.
  • the processor sends the generated force tactile vibration feedback signal to the signal amplifier, and performs signal power amplification processing through the signal amplifier to obtain force tactile vibration feedback. Amplify the signal; the on-board motor performs the force tactile vibration feedback according to the force tactile vibration feedback amplified signal.
  • the force tactile vibration feedback signal by sending the force tactile vibration feedback signal with control function to the signal amplifier, the force tactile vibration feedback signal can be power amplified, so that the on-board motor can adapt to the signal and perform force tactile vibration feedback with corresponding feedback strength.
  • the third aspect of the present invention provides a control device for force tactile vibration feedback, corresponding to the control method for force tactile vibration feedback of the second aspect of the present invention, please refer to FIG. 4, which is a device provided by the third aspect of the present invention
  • the module block diagram of the control device for force tactile vibration feedback; the control device 300 includes:
  • the signal receiving module 301 is used for receiving the pressure value sent by the pressure membrane module and receiving the pressing position signal sent by the capacitive screen module;
  • the signal processing module 302 is configured to generate a force tactile vibration feedback signal according to the pressure value and the pressing position signal;
  • the signal sending module 303 is also used to send the force tactile vibration feedback signal to the force tactile feedback module to perform force tactile vibration feedback.
  • the device 300 for controlling force tactile vibration feedback is applied to the method for controlling force tactile vibration feedback in the second aspect of the present invention.
  • the signal receiving module 301 in the control device 300 receives the pressure value of the compression event sent by the pressure membrane module, and the compression position parameter of the compression event sent by the receiving capacitive screen module, and then the signal processing module 302 generates force according to the pressure value and the compression position parameter
  • the tactile vibration feedback signal is finally sent to the force tactile feedback module through the signal sending module 303 to perform force tactile vibration feedback.
  • the present invention provides a force tactile vibration feedback circuit, control method and device, including: a pressure membrane module, a capacitive screen module, a processor electrically connected to the pressure membrane module and the capacitive screen module, and a force tactile feedback module electrically connected to the processor
  • the pressure film module is used to detect the pressure value generated by the user's pressing event
  • the capacitive screen module is used to detect the pressing position parameter of the user's pressing event
  • the processor is used to generate a force tactile vibration feedback signal based on the pressure value and the pressing position parameter
  • the tactile feedback module is used to perform force tactile vibration feedback using force tactile vibration feedback signals.
  • the pressure value of the pressing event can be obtained through the pressure membrane module, and the pressing position parameter of the pressing event can be obtained through the capacitive screen module, and then the processor generates a force tactile vibration feedback signal based on the pressure value and the pressing position parameter, Finally, the force tactile feedback module is used to perform force tactile vibration feedback according to the force tactile vibration feedback signal, so that the button structure has force tactile vibration feedback prompts and provides user experience.

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Abstract

Provided are a haptic vibration feedback circuit, and a control method and apparatus. The haptic vibration feedback circuit comprises a pressure film module, a capacitive screen module, a processor electrically connected to the pressure film module and the capacitive screen module, and a haptic feedback module electrically connected to the processor, wherein the pressure film module is used for detecting a pressure value generated by a press event of a user; the capacitive screen module is used for detecting a press position parameter of the press event of the user; the processor is used for generating a haptic vibration feedback signal on the basis of the pressure value and the press position parameter; and the haptic feedback module is used for performing haptic vibration feedback by using the haptic vibration feedback signal. According to the present invention, the pressure film module acquires the pressure value of a press event; the capacitive screen module acquires a press position parameter of the press event; the processor generates a haptic vibration feedback signal according to the pressure value and the press position parameter; and the haptic feedback module performs haptic vibration feedback according to the haptic vibration feedback signal, such that the key structure has a haptic vibration feedback prompt.

Description

一种力触觉振动反馈电路、控制方法及装置Force tactile vibration feedback circuit, control method and device 技术领域Technical field
本发明涉及力触觉反馈的技术领域，尤其涉及一种力触觉振动反馈电路、控制方法及装置。The present invention relates to the technical field of force tactile feedback, in particular to a force tactile vibration feedback circuit, control method and device.
背景技术Background technique
现有的汽车领域内，在车载内的大部分功能或应用程序是通过按压按键事件实现启动的，为了提高用户对汽车内功能体验，通常在车载内部设计添加一些车载功能及与功能对应的按键，以提高用户对车载内多功能的体验。In the existing automotive field, most of the functions or applications in the car are activated by pressing a key event. In order to improve the user experience of the functions in the car, some car functions and buttons corresponding to the functions are usually added to the design of the car. , In order to improve the user experience of the multi-function in the car.
目前，在汽车领域中，在对车载内部的按键进行设计上，通常是设计使用机械结构按键，以供用户对车载内功能事件进行控制。然而，机械结构按键没有触觉振动反馈提示，导致驾驶人员在按压机械结构按键过程中，容易分散驾驶人员的注意力。At present, in the automotive field, when designing the keys inside the vehicle, it is usually designed to use mechanical structure keys for the user to control the functional events in the vehicle. However, the mechanical structure buttons do not have tactile vibration feedback prompts, which causes the driver to easily distract the driver's attention during the process of pressing the mechanical structure buttons.
因此，有必要提出一种新的力触觉振动反馈电路、方法及装置。Therefore, it is necessary to propose a new force tactile vibration feedback circuit, method and device.
技术问题technical problem
本发明的目的在于提供一种力触觉振动反馈电路、控制方法及装置，可以解决现有技术中按键结构无力触觉振动反馈提示的技术问题。The purpose of the present invention is to provide a force-tactile vibration feedback circuit, control method and device, which can solve the technical problem of the inability of force-tactile vibration feedback prompts in the key structure in the prior art.
技术解决方案Technical solutions
本发明的第一方面提供一种力触觉振动反馈电路，所述力触觉振动反馈电路包括：The first aspect of the present invention provides a force tactile vibration feedback circuit, the force tactile vibration feedback circuit comprising:
压力膜模块、电容屏模块、与所述压力膜模块及所述电容屏模块电连接的处理器、与所述处理器电连接的力触觉反馈模块；A pressure membrane module, a capacitive screen module, a processor electrically connected to the pressure membrane module and the capacitive screen module, and a force tactile feedback module electrically connected to the processor;
所述压力膜模块用于检测用户的按压事件所产生的压力值；The pressure film module is used to detect the pressure value generated by the user's pressing event;
所述电容屏模块用于检测用户的按压事件的按压位置参数；The capacitive screen module is used to detect the pressing position parameter of the user's pressing event;
所述处理器用于基于所述压力值及所述按压位置参数生成力触觉振动反馈信号；The processor is configured to generate a force tactile vibration feedback signal based on the pressure value and the pressing position parameter;
所述力触觉反馈模块用于根据所述力触觉振动反馈信号执行力触觉振动反馈。The force tactile feedback module is configured to perform force tactile vibration feedback according to the force tactile vibration feedback signal.
可选的，所述力触觉反馈模块包括：与所述处理器电连接的信号放大器、及车载马达，所述信号放大器还与所述车载马达电连接；Optionally, the force tactile feedback module includes: a signal amplifier electrically connected to the processor and a vehicle-mounted motor, and the signal amplifier is also electrically connected to the vehicle-mounted motor;
所述信号放大器用于对所述力触觉振动反馈信号进行功率放大处理，生成力触觉振动反馈放大信号；The signal amplifier is used to perform power amplification processing on the force tactile vibration feedback signal to generate force tactile vibration feedback amplified signal;
所述车载马达用于利用所述力触觉振动反馈放大信号进行力触觉振动反馈。The vehicle-mounted motor is used to use the force tactile vibration feedback amplifying signal to perform force tactile vibration feedback.
可选的，所述电容屏模块与所述压力膜模块叠加设置，且所述压力膜模块位于所述电容屏模块的触摸面相对的一侧。Optionally, the capacitive screen module and the pressure film module are superimposed and arranged, and the pressure film module is located on a side opposite to the touch surface of the capacitive screen module.
本发明的第二方面提供一种力触觉振动反馈的控制方法，应用于本发明第一方面中所述的力触觉振动反馈电路，所述控制方法包括以下步骤：The second aspect of the present invention provides a control method of force tactile vibration feedback, which is applied to the force tactile vibration feedback circuit described in the first aspect of the present invention, and the control method includes the following steps:
接收压力膜模块发送按压事件的压力值，及接收电容屏模块发送所述按压事件的按压位置参数；Receiving the pressure value of the pressing event sent by the pressure membrane module, and receiving the pressing position parameter of the pressing event sent by the capacitive screen module;
根据所述压力值及所述按压位置参数生成力触觉振动反馈信号；Generating a force tactile vibration feedback signal according to the pressure value and the pressing position parameter;
将所述力触觉振动反馈信号发送给力触觉反馈模块，以执行力触觉振动反馈。The force tactile vibration feedback signal is sent to the force tactile feedback module to perform force tactile vibration feedback.
可选的，所述根据所述压力值及所述按压位置参数生成力触觉振动反馈信号的步骤包括：Optionally, the step of generating a force tactile vibration feedback signal according to the pressure value and the pressing position parameter includes:
将所述压力值与与预设的压力阈值对比，若所述压力值大于或等于所述压力阈值，则生成所述压力反馈系数，所述压力反馈系数为确定所述按压事件触发力触觉振动反馈的系数；The pressure value is compared with a preset pressure threshold value, and if the pressure value is greater than or equal to the pressure threshold value, the pressure feedback coefficient is generated, and the pressure feedback coefficient is a tactile vibration that determines the triggering force of the pressing event Feedback coefficient;
根据所述压力反馈系数及所述按压位置参数生成力触觉振动反馈信号。A force tactile vibration feedback signal is generated according to the pressure feedback coefficient and the pressing position parameter.
可选的，所述根据所述压力反馈系数及所述按压位置参数生成力触觉振动反馈信号的步骤包括：Optionally, the step of generating a force tactile vibration feedback signal according to the pressure feedback coefficient and the pressing position parameter includes:
所述按压位置参数包含按压位置的电流变化系数；The pressing position parameter includes the current variation coefficient of the pressing position;
从所述按压位置参数提取所述电流变化系数，并将所述电流变化系数与预设的电流变化阈值对比；Extracting the current variation coefficient from the pressing position parameter, and comparing the current variation coefficient with a preset current variation threshold;
若所述电流变化系数大于或等于所述电流变化阈值，则生成按压位置反馈系数，所述按压位置反馈系数为确定对所述按压位置执行力触觉振动反馈的系数；If the current variation coefficient is greater than or equal to the current variation threshold, generating a pressing position feedback coefficient, where the pressing position feedback coefficient is a coefficient for determining the force haptic vibration feedback performed on the pressing position;
根据所述压力反馈系数及所述按压位置反馈系数生成力触觉振动反馈信号。A force tactile vibration feedback signal is generated according to the pressure feedback coefficient and the pressing position feedback coefficient.
可选的，所述根据所述压力反馈系数及所述按压位置反馈系数生成力触觉振动反馈信号步骤包括：Optionally, the step of generating a force tactile vibration feedback signal according to the pressure feedback coefficient and the pressing position feedback coefficient includes:
根据所述压力反馈系数及所述按压位置反馈系数查找振动反馈效果库，生成与所述压力反馈系数及所述按压位置反馈系数对应的按压事件的力触觉振动反馈信号，其中，所述振动反馈效果包含与所述按压事件对应的所述力触觉振动反馈效果；Search for a vibration feedback effect library according to the pressure feedback coefficient and the pressing position feedback coefficient, and generate a force tactile vibration feedback signal of a pressing event corresponding to the pressure feedback coefficient and the pressing position feedback coefficient, wherein the vibration feedback The effect includes the force tactile vibration feedback effect corresponding to the pressing event;
若根据所述压力反馈系数及所述按压位置反馈系数无法查找到所述振动反馈效果库中与所述按压事件对应的所述力触觉振动反馈效果，则计算生成所述按压事件对应的所述力触觉振动反馈效果。If the force tactile vibration feedback effect corresponding to the pressing event in the vibration feedback effect library cannot be found according to the pressure feedback coefficient and the pressing position feedback coefficient, then the force tactile vibration feedback effect corresponding to the pressing event is calculated and generated. Force tactile vibration feedback effect.
可选的，所述将所述力触觉振动反馈信号发送给力触觉反馈模块的步骤包括：Optionally, the step of sending the force haptic vibration feedback signal to the force haptic feedback module includes:
所述力触觉反馈模块包括：信号放大器及车载马达；The force tactile feedback module includes: a signal amplifier and a vehicle-mounted motor;
将所述力触觉振动反馈信号发送至所述信号放大器进行功率放大处理，以得到力触觉振动反馈放大信号；Sending the force tactile vibration feedback signal to the signal amplifier for power amplification processing, so as to obtain the force tactile vibration feedback amplified signal;
根据所述力触觉振动反馈放大信号控制所述车载马达执行力触觉振动反馈。According to the force haptic vibration feedback amplified signal, the vehicle-mounted motor is controlled to perform force haptic vibration feedback.
本发明的第三方面提供一种力触觉振动反馈的控制装置，对应于本发明第二方面所述的力触觉振动反馈的控制方法，所述控制装置包括：A third aspect of the present invention provides a control device for force tactile vibration feedback, corresponding to the control method for force tactile vibration feedback according to the second aspect of the present invention, the control device includes:
信号接收模块，用于接收压力膜模块发送的压力值，及接收电容屏模块发送的按压位置信号；The signal receiving module is used to receive the pressure value sent by the pressure membrane module and the pressing position signal sent by the capacitive screen module;
信号处理模块，用于根据所述压力值及所述按压位置信号生成力触觉振动反馈信号；A signal processing module, configured to generate a force tactile vibration feedback signal according to the pressure value and the pressing position signal;
信号发送模块，还用于将所述力触觉振动反馈信号发送给所述力触觉反馈模块，以执行力触觉振动反馈。The signal sending module is further configured to send the force tactile vibration feedback signal to the force tactile feedback module to perform force tactile vibration feedback.
有益效果Beneficial effect
本发明的有益效果：提供了一种力触觉振动反馈电路、控制方法及装置，包括：压力膜模块、电容屏模块、与所述压力膜模块及所述电容屏模块电连接的处理器、与所述处理器电连接的力触觉反馈模块；所述压力膜模块用于检测用户的按压事件所产生的压力值；所述电容屏模块用于检测用户的按压事件的按压位置参数；所述处理器用于基于所述压力值及所述按压位置参数生成力触觉振动反馈信号；所述力触觉反馈模块用于利用所述力触觉振动反馈信号进行力触觉振动反馈。通过实施本发明的方案，可通过压力膜模块获取按压事件的压力值，及通过电容屏模块获取按压事件的按压位置参数，然后通过处理器基于压力值及按压位置参数生成力触觉振动反馈信号，最后通过力触觉反馈模块根据所述力触觉振动反馈信号进行力触觉振动反馈，使得按键结构具有力触觉振动反馈提示，提供用户的体验。The beneficial effects of the present invention: provide a force tactile vibration feedback circuit, control method and device, including: a pressure membrane module, a capacitive screen module, a processor electrically connected to the pressure membrane module and the capacitive screen module, and The force tactile feedback module electrically connected to the processor; the pressure film module is used to detect the pressure value generated by the user's pressing event; the capacitive screen module is used to detect the pressing position parameter of the user's pressing event; the processing The device is used to generate a force tactile vibration feedback signal based on the pressure value and the pressing position parameter; the force tactile feedback module is used to perform force tactile vibration feedback using the force tactile vibration feedback signal. By implementing the solution of the present invention, the pressure value of the pressing event can be obtained through the pressure membrane module, and the pressing position parameter of the pressing event can be obtained through the capacitive screen module, and then the processor generates a force tactile vibration feedback signal based on the pressure value and the pressing position parameter, Finally, the force tactile feedback module is used to perform force tactile vibration feedback according to the force tactile vibration feedback signal, so that the button structure has force tactile vibration feedback prompts and provides user experience.
附图说明Description of the drawings
图1为本发明第一方面提供的一种力触觉振动反馈电路架构图； FIG. 1 is a structural diagram of a force tactile vibration feedback circuit provided by the first aspect of the present invention;
图2为本发明实施提供的力触觉反馈模块的架构图；Figure 2 is a structural diagram of a force tactile feedback module provided by the implementation of the present invention;
图3为本发明第二方面提供的一种力触觉振动反馈的控制方法的步骤流程图；3 is a flow chart of the steps of a control method for force tactile vibration feedback provided by the second aspect of the present invention;
图4为本发明第三方面提供的一种力触觉振动反馈的控制装置的模块方框图。4 is a block diagram of a module of a control device for force tactile vibration feedback provided by the third aspect of the present invention.
本发明的实施方式Embodiments of the present invention
下面结合附图和实施方式对本发明作进一步说明。The present invention will be further described below in conjunction with the drawings and embodiments.
为了解决现有技术中按键结构无力触觉振动反馈提示的技术问题，本发明的目的在于提供一种力触觉振动反馈电路、控制方法及装置。In order to solve the technical problem of ineffective tactile vibration feedback prompt in the key structure in the prior art, the purpose of the present invention is to provide a force tactile vibration feedback circuit, control method and device.
本发明的第一方面提供一种力触觉振动反馈电路，请参阅图1及图2，图1为本发明第一方面提供的一种力触觉振动反馈电路架构图，图2为本发明实施提供的力触觉反馈模块的架构图；The first aspect of the present invention provides a force tactile vibration feedback circuit. Please refer to Figures 1 and 2. FIG. 1 is a diagram of the structure of a force tactile vibration feedback circuit provided by the first aspect of the present invention. FIG. 2 is an implementation of the present invention. The architecture diagram of the force tactile feedback module;
该力触觉振动反馈电路包括：The force tactile vibration feedback circuit includes:
压力膜模块101、电容屏模块102、与压力膜模块101及电容屏模块102电连接的处理器103、与处理器103电连接的力触觉反馈模块104；A pressure membrane module 101, a capacitive screen module 102, a processor 103 electrically connected to the pressure membrane module 101 and the capacitive screen module 102, and a force tactile feedback module 104 electrically connected to the processor 103;
压力膜模块101用于检测用户的按压事件所产生的压力值；The pressure film module 101 is used to detect the pressure value generated by the user's pressing event;
电容屏模块102用于检测用户的按压事件的按压位置参数；The capacitive screen module 102 is used to detect the pressing position parameter of the user's pressing event;
处理器103用于基于压力值及按压位置参数生成力触觉振动反馈信号；The processor 103 is configured to generate a force tactile vibration feedback signal based on the pressure value and the pressing position parameter;
力触觉反馈模块104用于利用力触觉振动反馈信号进行力触觉振动反馈。The force tactile feedback module 104 is configured to use force tactile vibration feedback signals to perform force tactile vibration feedback.
在本发明的实施例中，该力触觉振动反馈电路应用于汽车中的车载按键结构，该车载按键结构为具有一个或多个虚拟按键的结构。该按键结构内具有上述力触觉振动反馈电路，该电路中的器件包括：用于检测用户对虚拟按键按压所产生压力值的压力膜模块101、用于检测用户的按压事件的按压位置参数的电容屏模块102、用于基于压力值及按压位置参数生成力触觉振动反馈信号的处理器103、及用于根据力触觉振动反馈信号执行力触觉振动反馈的力触觉反馈模块104，其中，压力膜模块101及电容屏模块102分别与处理器103的输入端电连接，处理器103的输出端与力触觉反馈模块104电连接。通过设置该力触觉振动反馈电路可实现对用户的按压事件对虚拟按键的压力值及按压位置参数的检测，并生成力触觉振动反馈信号，控制力触觉反馈模块104执行力触觉振动反馈，使得按键结构具有力触觉振动反馈提示。In the embodiment of the present invention, the force tactile vibration feedback circuit is applied to a vehicle-mounted key structure in an automobile, and the vehicle-mounted key structure is a structure with one or more virtual keys. The button structure has the above-mentioned force tactile vibration feedback circuit. The components in the circuit include: a pressure membrane module 101 for detecting the pressure value generated by the user pressing the virtual button, and a capacitor for detecting the pressing position parameter of the user's pressing event The screen module 102, the processor 103 for generating force tactile vibration feedback signals based on the pressure value and the pressing position parameters, and the force tactile feedback module 104 for performing force tactile vibration feedback according to the force tactile vibration feedback signals, wherein the pressure membrane module 101 and the capacitive screen module 102 are respectively electrically connected to the input end of the processor 103, and the output end of the processor 103 is electrically connected to the force tactile feedback module 104. By setting the force tactile vibration feedback circuit, it is possible to detect the pressure value and pressing position parameters of the virtual button by the user's pressing event, and generate force tactile vibration feedback signals, and control the force tactile feedback module 104 to perform force tactile vibration feedback, so that the keys The structure has force tactile vibration feedback prompts.
进一步的，力触觉反馈模块104包括：与处理器103电连接的信号放大器1041、及车载马达1042，信号放大器1041还与车载马达1042电连接；Further, the force haptic feedback module 104 includes: a signal amplifier 1041 and a vehicle-mounted motor 1042 that are electrically connected to the processor 103, and the signal amplifier 1041 is also electrically connected to the vehicle-mounted motor 1042;
信号放大器1041用于对力触觉振动反馈信号进行功率放大处理，生成力触觉振动反馈放大信号；The signal amplifier 1041 is used to perform power amplification processing on the force tactile vibration feedback signal to generate the force tactile vibration feedback amplified signal;
车载马达1042用于利用力触觉振动反馈放大信号进行力触觉振动反馈。The in-vehicle motor 1042 is used to use the force haptic vibration feedback amplifying signal for force haptic vibration feedback.
在本实施例中，在上述电路中的处理器103生成力触觉振动反馈信号后，需要对力触觉振动反馈信号进行功率放大处理，得到力触觉振动反馈放大信号，使得相关反馈器件根据放大后的力触觉振动反馈放大信号进行振动反馈。具体的，本实施例电路中的力触觉反馈模块104包括：信号放大器1041及车载马达1042，处理器103将生成的力触觉振动反馈信号发送至信号放大器1041；通过信号放大器1041进行信号功率放大处理，得到力触觉振动反馈放大信号；车载马达1042根据力触觉振动反馈放大信号执行力触觉振动反馈。本实施例中的信号放大器1041可对力触觉振动反馈信号进行功率放大处理，使得车载马达1042可适应该信号，并执行相应反馈强度的力触觉振动反馈。In this embodiment, after the processor 103 in the above circuit generates the force tactile vibration feedback signal, it needs to perform power amplification processing on the force tactile vibration feedback signal to obtain the force tactile vibration feedback amplified signal, so that the relevant feedback device is based on the amplified Force tactile vibration feedback amplifies the signal for vibration feedback. Specifically, the force tactile feedback module 104 in the circuit of this embodiment includes: a signal amplifier 1041 and an on-board motor 1042. The processor 103 sends the generated force tactile vibration feedback signal to the signal amplifier 1041; the signal power amplification processing is performed by the signal amplifier 1041 , The force tactile vibration feedback amplified signal is obtained; the on-board motor 1042 performs force tactile vibration feedback according to the force tactile vibration feedback amplified signal. The signal amplifier 1041 in this embodiment can perform power amplification processing on the force tactile vibration feedback signal, so that the on-board motor 1042 can adapt to the signal and perform force tactile vibration feedback with corresponding feedback strength.
进一步的，电容屏模块102与压力膜模块101叠加设置，且压力膜模块101位于电容屏模块102的触摸面相对的一侧。Further, the capacitive screen module 102 and the pressure film module 101 are superimposed and arranged, and the pressure film module 101 is located on the opposite side of the touch surface of the capacitive screen module 102.
在本实施例中，该电容屏模块102与压力膜模块101的位置关系为叠加设置的，具体的，按键结构的为一个具有收容空间的壳体结构，电容屏模块102及压力膜模块101设置于按键结构内部，压力膜模块101位于电容屏模块102的触摸面相对的一侧，而压力膜模块101的另一侧面设置于上述虚拟按键的底部，当用户的对虚拟按键构成按压事件时，压力膜模块101先检测按压事件的压力值，然后电容屏模块102检测按压事件的按压位置参数，提高了检测按压事件的准确性。In this embodiment, the positional relationship between the capacitive screen module 102 and the pressure membrane module 101 is superimposed. Specifically, the button structure is a shell structure with a housing space, and the capacitive screen module 102 and the pressure membrane module 101 are arranged Inside the button structure, the pressure film module 101 is located on the opposite side of the touch surface of the capacitive screen module 102, and the other side of the pressure film module 101 is set at the bottom of the virtual button. When the user presses the virtual button, The pressure film module 101 first detects the pressure value of the pressing event, and then the capacitive screen module 102 detects the pressing position parameter of the pressing event, which improves the accuracy of detecting the pressing event.
本发明的第二方面提供一种力触觉振动反馈的控制方法，应用于本发明第一方面中的力触觉振动反馈电路，请参阅图3，图3为本发明第二方面提供的一种力触觉振动反馈的控制方法的步骤流程图；该控制方法包括以下步骤：The second aspect of the present invention provides a control method of force tactile vibration feedback, which is applied to the force tactile vibration feedback circuit in the first aspect of the present invention. Please refer to FIG. 3, which is a force provided by the second aspect of the present invention. A step flow chart of the control method of haptic vibration feedback; the control method includes the following steps:
S201：接收压力膜模块发送按压事件的压力值，及接收电容屏模块发送按压事件的按压位置参数；S201: receiving the pressure value of the pressing event sent by the pressure membrane module, and receiving the pressing position parameter of the pressing event sent by the capacitive screen module;
S202：根据压力值及按压位置参数生成力触觉振动反馈信号；S202: Generate a force tactile vibration feedback signal according to the pressure value and the pressing position parameter;
S203：将力触觉振动反馈信号发送给力触觉反馈模块，以执行力触觉振动反馈。S203: Send the force tactile vibration feedback signal to the force tactile feedback module to perform force tactile vibration feedback.
在本发明的实施例中，该力触觉振动反馈的控制方法应用于本发明第一方面中的力触觉振动反馈电路。该控制方法先通过接收压力膜模块发送按压事件的压力值，及接收电容屏模块发送按压事件的按压位置参数；然后根据压力值及按压位置参数生成力触觉振动反馈信号；最后将力触觉振动反馈信号发送给力触觉反馈模块，以执行力触觉振动反馈。通过实施本方案，可实现根据接收到的压力值及按压位置参数生成力触觉振动反馈信号，及通过力触觉振动反馈信号控制力触觉反馈模块执行力触觉振动反馈。In the embodiment of the present invention, the control method of the force tactile vibration feedback is applied to the force tactile vibration feedback circuit in the first aspect of the present invention. The control method first sends the pressure value of the pressing event by the receiving pressure membrane module, and receives the pressing position parameter of the pressing event sent by the capacitive screen module; then generates the force tactile vibration feedback signal according to the pressure value and the pressing position parameter; finally feedbacks the force tactile vibration The signal is sent to the force tactile feedback module to perform force tactile vibration feedback. By implementing this solution, it is possible to generate force haptic vibration feedback signals according to the received pressure value and pressing position parameters, and control the force haptic feedback module to perform force haptic vibration feedback through the force haptic vibration feedback signals.
进一步的，根据压力值及按压位置参数生成力触觉振动反馈信号的步骤包括：Further, the step of generating a force tactile vibration feedback signal according to the pressure value and the pressing position parameter includes:
将压力值与与预设的压力阈值对比，若压力值大于或等于压力阈值，则生成压力反馈系数，压力反馈系数为确定按压事件触发力触觉振动反馈的系数；The pressure value is compared with the preset pressure threshold value. If the pressure value is greater than or equal to the pressure threshold value, a pressure feedback coefficient is generated, and the pressure feedback coefficient is a coefficient that determines the force haptic vibration feedback that is triggered by a pressing event;
根据压力反馈系数及按压位置参数生成力触觉振动反馈信号。According to the pressure feedback coefficient and the pressing position parameter, the force tactile vibration feedback signal is generated.
在本实施例中，在接收到来自压力膜模块的压力值时，需要将该压力值与预设的压力阈值对比，以确定用户的按压事件是否有效，进而确定是否对用户的按压事件进行力触觉振动反馈。具体的，将压力值与与预设的压力阈值对比，当压力值大于或等于压力阈值时，则确定用户的按压事件有效，生成压力反馈系数，该压力反馈系数用于参与确定力触觉振动反馈信号。In this embodiment, when the pressure value from the pressure membrane module is received, the pressure value needs to be compared with a preset pressure threshold to determine whether the user's pressing event is valid, and then to determine whether to force the user's pressing event Tactile vibration feedback. Specifically, the pressure value is compared with the preset pressure threshold value. When the pressure value is greater than or equal to the pressure threshold value, it is determined that the user's pressing event is valid, and a pressure feedback coefficient is generated. The pressure feedback coefficient is used to determine the force tactile vibration feedback signal.
进一步的，根据压力反馈系数及按压位置参数生成力触觉振动反馈信号的步骤包括：Further, the step of generating a force tactile vibration feedback signal according to the pressure feedback coefficient and the pressing position parameter includes:
按压位置参数包含按压位置的电流变化系数；The pressing position parameter includes the current variation coefficient of the pressing position;
从按压位置参数提取电流变化系数，并将电流变化系数与预设的电流变化阈值对比；Extract the current change coefficient from the pressing position parameter, and compare the current change coefficient with the preset current change threshold;
若电流变化系数大于或等于电流变化阈值，则生成按压位置反馈系数，按压位置反馈系数为确定对按压位置执行力触觉振动反馈的系数；If the current change coefficient is greater than or equal to the current change threshold, a press position feedback coefficient is generated, and the press position feedback coefficient is a coefficient that determines the force tactile vibration feedback of the pressed position;
根据压力反馈系数及按压位置反馈系数生成力触觉振动反馈信号。The force tactile vibration feedback signal is generated according to the pressure feedback coefficient and the pressing position feedback coefficient.
在本实施例中，该按压位置参数主要是基于电容屏模块上检测面的电流变化的位置确定的，该电流变化的位置为用户的按压事件对应的按压位置。进一步的，按压位置参数包含按压位置的电流变化系数，提取按压位置参数中的电流变化系数，并将电流变化系数与预设的电流变化阈值对比，当电流变化系数大于或等于预设的电流变化阈值，则生成按压位置反馈系数，该按压位置反馈系数用于参与确定力触觉振动反馈信号。In this embodiment, the pressing position parameter is mainly determined based on the position of the current change on the detection surface of the capacitive screen module, and the position of the current change is the pressing position corresponding to the user's pressing event. Further, the compression position parameter includes the current variation coefficient of the compression position, the current variation coefficient in the compression position parameter is extracted, and the current variation coefficient is compared with the preset current variation threshold. When the current variation coefficient is greater than or equal to the preset current variation The threshold value is used to generate a pressing position feedback coefficient, and the pressing position feedback coefficient is used to participate in determining the force haptic vibration feedback signal.
进一步的，根据压力反馈系数及按压位置反馈系数生成力触觉振动反馈信号步骤包括：Further, the step of generating a force tactile vibration feedback signal according to the pressure feedback coefficient and the pressing position feedback coefficient includes:
根据压力反馈系数及按压位置反馈系数查找振动反馈效果库，生成与压力反馈系数及按压位置反馈系数对应的按压事件的力触觉振动反馈信号，其中，振动反馈效果包含与按压事件对应的力触觉振动反馈效果；Search the vibration feedback effect library according to the pressure feedback coefficient and the pressing position feedback coefficient, and generate the force tactile vibration feedback signal of the pressing event corresponding to the pressure feedback coefficient and the pressing position feedback coefficient, where the vibration feedback effect includes the force tactile vibration corresponding to the pressing event Feedback effect
若根据压力反馈系数及按压位置反馈系数无法查找到振动反馈效果库中与按压事件对应的力触觉振动反馈效果，则计算生成按压事件对应的力触觉振动反馈效果。If the force tactile vibration feedback effect corresponding to the pressing event in the vibration feedback effect library cannot be found according to the pressure feedback coefficient and the pressing position feedback coefficient, the force tactile vibration feedback effect corresponding to the pressing event is calculated and generated.
在本发明的实施例包含振动反馈效果库，该振动反馈效果包含与按压事件对应的力触觉振动反馈效果；在本实施例中，通过上述对按压事件的压力反馈系数及按压位置反馈系数进相应的阈值对比后，确定对用户的按压事件进行力触觉振动反馈，则根据压力反馈系数及按压位置反馈系数查找振动反馈效果库，以得到力触觉振动反馈信号；The embodiment of the present invention includes a vibration feedback effect library, and the vibration feedback effect includes the force tactile vibration feedback effect corresponding to the pressing event; in this embodiment, the pressure feedback coefficient and the pressing position feedback coefficient for the pressing event are correspondingly calculated. After comparing the threshold values of, it is determined that force tactile vibration feedback is performed on the user's pressing event, and then the vibration feedback effect library is searched according to the pressure feedback coefficient and the pressing position feedback coefficient to obtain the force tactile vibration feedback signal;
在又一实施例中，在确定对用户的按压事件进行力触觉振动反馈后，根据压力反馈系数及按压位置反馈系数查找振动反馈效果库，若无法查找到按压事件对应的力触觉振动反馈效果，则基于压力反馈系数及按压位置反馈系数进行计算处理，生成按压事件对应的力触觉振动反馈效果。In yet another embodiment, after determining the force tactile vibration feedback for the user's pressing event, the vibration feedback effect library is searched according to the pressure feedback coefficient and the pressing position feedback coefficient. If the force tactile vibration feedback effect corresponding to the pressing event cannot be found, Then, calculation processing is performed based on the pressure feedback coefficient and the pressing position feedback coefficient, and the force tactile vibration feedback effect corresponding to the pressing event is generated.
进一步的，将力触觉振动反馈信号发送给力触觉反馈模块的步骤包括：Further, the step of sending the force tactile vibration feedback signal to the force tactile feedback module includes:
力触觉反馈模块包括：信号放大器及车载马达；Force tactile feedback module includes: signal amplifier and vehicle-mounted motor;
将力触觉振动反馈信号发送至信号放大器进行功率放大处理，以得到力触觉振动反馈放大信号；Send the force tactile vibration feedback signal to the signal amplifier for power amplification processing to obtain the force tactile vibration feedback amplified signal;
根据力触觉振动反馈放大信号控制车载马达执行力触觉振动反馈。According to the force haptic vibration feedback amplified signal, the vehicle-mounted motor is controlled to perform force haptic vibration feedback.
在本实施例中，在生成力触觉振动反馈信号后，需要对力触觉振动反馈信号进行功率放大处理，得到力触觉振动反馈放大信号，使得相关反馈器件根据放大后的力触觉振动反馈放大信号进行振动反馈。具体的，本实施例电路中的力触觉反馈模块包括：信号放大器及车载马达，处理器将生成的力触觉振动反馈信号发送至信号放大器，通过信号放大器进行信号功率放大处理，得到力触觉振动反馈放大信号；车载马达根据力触觉振动反馈放大信号执行力触觉振动反馈。本实施例通过将具有控制作用的力触觉振动反馈信号发送至信号放大器，可对力触觉振动反馈信号进行功率放大处理，使得车载马达可适应该信号，并执行相应反馈强度的力触觉振动反馈。In this embodiment, after the force tactile vibration feedback signal is generated, the force tactile vibration feedback signal needs to be power amplified to obtain the force tactile vibration feedback amplification signal, so that the relevant feedback device performs the amplification signal according to the amplified force tactile vibration feedback signal. Vibration feedback. Specifically, the force tactile feedback module in the circuit of this embodiment includes a signal amplifier and an on-board motor. The processor sends the generated force tactile vibration feedback signal to the signal amplifier, and performs signal power amplification processing through the signal amplifier to obtain force tactile vibration feedback. Amplify the signal; the on-board motor performs the force tactile vibration feedback according to the force tactile vibration feedback amplified signal. In this embodiment, by sending the force tactile vibration feedback signal with control function to the signal amplifier, the force tactile vibration feedback signal can be power amplified, so that the on-board motor can adapt to the signal and perform force tactile vibration feedback with corresponding feedback strength.
本发明的第三方面提供一种力触觉振动反馈的控制装置，对应于本发明第二方面的力触觉振动反馈的控制方法，请参阅图4，图4为本发明第三方面提供的一种力触觉振动反馈的控制装置的模块方框图；该控制装置300包括：The third aspect of the present invention provides a control device for force tactile vibration feedback, corresponding to the control method for force tactile vibration feedback of the second aspect of the present invention, please refer to FIG. 4, which is a device provided by the third aspect of the present invention The module block diagram of the control device for force tactile vibration feedback; the control device 300 includes:
信号接收模块301，用于接收压力膜模块发送的压力值，及接收电容屏模块发送的按压位置信号；The signal receiving module 301 is used for receiving the pressure value sent by the pressure membrane module and receiving the pressing position signal sent by the capacitive screen module;
信号处理模块302，用于根据压力值及按压位置信号生成力触觉振动反馈信号；The signal processing module 302 is configured to generate a force tactile vibration feedback signal according to the pressure value and the pressing position signal;
信号发送模块303，还用于将力触觉振动反馈信号发送给力触觉反馈模块，以执行力触觉振动反馈。The signal sending module 303 is also used to send the force tactile vibration feedback signal to the force tactile feedback module to perform force tactile vibration feedback.
在本发明的实施例中，该力触觉振动反馈的控制装置300应用于本发明第二方面中的力触觉振动反馈的控制方法。先通过控制装置300中的信号接收模块301接收压力膜模块发送按压事件的压力值，及接收电容屏模块发送按压事件的按压位置参数，然后通过信号处理模块302根据压力值及按压位置参数生成力触觉振动反馈信号，最后通过信号发送模块303将力触觉振动反馈信号发送给力触觉反馈模块，以执行力触觉振动反馈。通过实施本方案，可实现根据接收到的压力值及按压位置参数生成力触觉振动反馈信号，及通过力触觉振动反馈信号控制力触觉反馈模块执行力触觉振动反馈。In the embodiment of the present invention, the device 300 for controlling force tactile vibration feedback is applied to the method for controlling force tactile vibration feedback in the second aspect of the present invention. First, the signal receiving module 301 in the control device 300 receives the pressure value of the compression event sent by the pressure membrane module, and the compression position parameter of the compression event sent by the receiving capacitive screen module, and then the signal processing module 302 generates force according to the pressure value and the compression position parameter The tactile vibration feedback signal is finally sent to the force tactile feedback module through the signal sending module 303 to perform force tactile vibration feedback. By implementing this solution, it is possible to generate force haptic vibration feedback signals according to the received pressure value and pressing position parameters, and control the force haptic feedback module to perform force haptic vibration feedback through the force haptic vibration feedback signals.
本发明提供一种力触觉振动反馈电路、控制方法及装置，包括：压力膜模块、电容屏模块、与压力膜模块及电容屏模块电连接的处理器、与处理器电连接的力触觉反馈模块；压力膜模块用于检测用户的按压事件所产生的压力值；电容屏模块用于检测用户的按压事件的按压位置参数；处理器用于基于压力值及按压位置参数生成力触觉振动反馈信号；力触觉反馈模块用于利用力触觉振动反馈信号进行力触觉振动反馈。通过实施本发明的方案，可通过压力膜模块获取按压事件的压力值，及通过电容屏模块获取按压事件的按压位置参数，然后通过处理器基于压力值及按压位置参数生成力触觉振动反馈信号，最后通过力触觉反馈模块根据力触觉振动反馈信号进行力触觉振动反馈，使得按键结构具有力触觉振动反馈提示，提供用户的体验。The present invention provides a force tactile vibration feedback circuit, control method and device, including: a pressure membrane module, a capacitive screen module, a processor electrically connected to the pressure membrane module and the capacitive screen module, and a force tactile feedback module electrically connected to the processor The pressure film module is used to detect the pressure value generated by the user's pressing event; the capacitive screen module is used to detect the pressing position parameter of the user's pressing event; the processor is used to generate a force tactile vibration feedback signal based on the pressure value and the pressing position parameter; The tactile feedback module is used to perform force tactile vibration feedback using force tactile vibration feedback signals. By implementing the solution of the present invention, the pressure value of the pressing event can be obtained through the pressure membrane module, and the pressing position parameter of the pressing event can be obtained through the capacitive screen module, and then the processor generates a force tactile vibration feedback signal based on the pressure value and the pressing position parameter, Finally, the force tactile feedback module is used to perform force tactile vibration feedback according to the force tactile vibration feedback signal, so that the button structure has force tactile vibration feedback prompts and provides user experience.
以上所述的仅是本发明的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出改进，但这些均属于本发明的保护范围。The above are only the embodiments of the present invention. It should be pointed out here that for those of ordinary skill in the art, improvements can be made without departing from the inventive concept of the present invention, but these all belong to the present invention. The scope of protection.

Claims (9)

  1. 一种力触觉振动反馈电路，其特征在于，所述力触觉振动反馈电路包括：A force tactile vibration feedback circuit, characterized in that the force tactile vibration feedback circuit comprises:
    压力膜模块、电容屏模块、与所述压力膜模块及所述电容屏模块电连接的处理器、与所述处理器电连接的力触觉反馈模块；A pressure membrane module, a capacitive screen module, a processor electrically connected to the pressure membrane module and the capacitive screen module, and a force tactile feedback module electrically connected to the processor;
    所述压力膜模块用于检测用户的按压事件所产生的压力值；The pressure film module is used to detect the pressure value generated by the user's pressing event;
    所述电容屏模块用于检测用户的按压事件的按压位置参数；The capacitive screen module is used to detect the pressing position parameter of the user's pressing event;
    所述处理器用于基于所述压力值及所述按压位置参数生成力触觉振动反馈信号；The processor is configured to generate a force tactile vibration feedback signal based on the pressure value and the pressing position parameter;
    所述力触觉反馈模块用于根据所述力触觉振动反馈信号执行力触觉振动反馈。The force tactile feedback module is configured to perform force tactile vibration feedback according to the force tactile vibration feedback signal.
  2. 根据权利要求1所述的力触觉振动反馈电路，其特征在于，所述力触觉反馈模块包括：与所述处理器电连接的信号放大器、及车载马达，所述信号放大器还与所述车载马达电连接；The force tactile vibration feedback circuit according to claim 1, wherein the force tactile feedback module comprises: a signal amplifier electrically connected to the processor, and an on-board motor, and the signal amplifier is also connected to the on-board motor Electrical connection
    所述信号放大器用于对所述力触觉振动反馈信号进行功率放大处理，生成力触觉振动反馈放大信号；The signal amplifier is used to perform power amplification processing on the force tactile vibration feedback signal to generate force tactile vibration feedback amplified signal;
    所述车载马达用于利用所述力触觉振动反馈放大信号进行力触觉振动反馈。The vehicle-mounted motor is used to use the force tactile vibration feedback amplifying signal to perform force tactile vibration feedback.
  3. 根据权利要求1所述的力触觉振动反馈电路，其特征在于，所述电容屏模块与所述压力膜模块叠加设置，且所述压力膜模块位于所述电容屏模块的触摸面相对的一侧。The force tactile vibration feedback circuit according to claim 1, wherein the capacitive screen module and the pressure film module are superimposed, and the pressure film module is located on a side opposite to the touch surface of the capacitive screen module .
  4. 一种力触觉振动反馈的控制方法，其特征在于，应用于权利要求1至3任意一项所述的力触觉振动反馈电路，所述控制方法包括以下步骤：A control method of force tactile vibration feedback, characterized in that it is applied to the force tactile vibration feedback circuit of any one of claims 1 to 3, and the control method comprises the following steps:
    接收压力膜模块发送按压事件的压力值，及接收电容屏模块发送所述按压事件的按压位置参数；Receiving the pressure value of the pressing event sent by the pressure membrane module, and receiving the pressing position parameter of the pressing event sent by the capacitive screen module;
    根据所述压力值及所述按压位置参数生成力触觉振动反馈信号；Generating a force tactile vibration feedback signal according to the pressure value and the pressing position parameter;
    将所述力触觉振动反馈信号发送给力触觉反馈模块，以执行力触觉振动反馈。The force tactile vibration feedback signal is sent to the force tactile feedback module to perform force tactile vibration feedback.
  5. 根据权利要求4所述的力触觉振动反馈的控制方法，其特征在于，所述根据所述压力值及所述按压位置参数生成力触觉振动反馈信号的步骤包括：The control method of force tactile vibration feedback according to claim 4, wherein the step of generating a force tactile vibration feedback signal according to the pressure value and the pressing position parameter comprises:
    将所述压力值与与预设的压力阈值对比，若所述压力值大于或等于所述压力阈值，则生成所述压力反馈系数，所述压力反馈系数为确定所述按压事件触发力触觉振动反馈的系数；The pressure value is compared with a preset pressure threshold value, and if the pressure value is greater than or equal to the pressure threshold value, the pressure feedback coefficient is generated, and the pressure feedback coefficient is a tactile vibration that determines the triggering force of the pressing event Feedback coefficient;
    根据所述压力反馈系数及所述按压位置参数生成力触觉振动反馈信号。A force tactile vibration feedback signal is generated according to the pressure feedback coefficient and the pressing position parameter.
  6. 根据权利要求5所述的力触觉振动反馈的控制方法，其特征在于，所述根据所述压力反馈系数及所述按压位置参数生成力触觉振动反馈信号的步骤包括：The control method of force haptic vibration feedback according to claim 5, wherein the step of generating a force haptic vibration feedback signal according to the pressure feedback coefficient and the pressing position parameter comprises:
    所述按压位置参数包含按压位置的电流变化系数；The pressing position parameter includes the current variation coefficient of the pressing position;
    从所述按压位置参数提取所述电流变化系数，并将所述电流变化系数与预设的电流变化阈值对比；Extracting the current variation coefficient from the pressing position parameter, and comparing the current variation coefficient with a preset current variation threshold;
    若所述电流变化系数大于或等于所述电流变化阈值，则生成按压位置反馈系数，所述按压位置反馈系数为确定对所述按压位置执行力触觉振动反馈的系数；If the current variation coefficient is greater than or equal to the current variation threshold, generating a pressing position feedback coefficient, where the pressing position feedback coefficient is a coefficient for determining the force haptic vibration feedback performed on the pressing position;
    根据所述压力反馈系数及所述按压位置反馈系数生成力触觉振动反馈信号。A force tactile vibration feedback signal is generated according to the pressure feedback coefficient and the pressing position feedback coefficient.
  7. 根据权利要求6所述的力触觉振动反馈的控制方法，其特征在于，所述根据所述压力反馈系数及所述按压位置反馈系数生成力触觉振动反馈信号步骤包括：The control method of force haptic vibration feedback according to claim 6, wherein the step of generating a force haptic vibration feedback signal according to the pressure feedback coefficient and the pressing position feedback coefficient comprises:
    根据所述压力反馈系数及所述按压位置反馈系数查找振动反馈效果库，生成与所述压力反馈系数及所述按压位置反馈系数对应的按压事件的力触觉振动反馈信号，其中，所述振动反馈效果包含与所述按压事件对应的所述力触觉振动反馈效果；Search for a vibration feedback effect library according to the pressure feedback coefficient and the pressing position feedback coefficient, and generate a force tactile vibration feedback signal of a pressing event corresponding to the pressure feedback coefficient and the pressing position feedback coefficient, wherein the vibration feedback The effect includes the force tactile vibration feedback effect corresponding to the pressing event;
    若根据所述压力反馈系数及所述按压位置反馈系数无法查找到所述振动反馈效果库中与所述按压事件对应的所述力触觉振动反馈效果，则计算生成所述按压事件对应的所述力触觉振动反馈效果。If the force tactile vibration feedback effect corresponding to the pressing event in the vibration feedback effect library cannot be found according to the pressure feedback coefficient and the pressing position feedback coefficient, then the force tactile vibration feedback effect corresponding to the pressing event is calculated and generated. Force tactile vibration feedback effect.
  8. 根据权利要求4所述的力触觉振动反馈的控制方法，其特征在于，所述将所述力触觉振动反馈信号发送给力触觉反馈模块的步骤包括：The control method of force tactile vibration feedback according to claim 4, wherein the step of sending the force tactile vibration feedback signal to the force tactile feedback module comprises:
    所述力触觉反馈模块包括：信号放大器及车载马达；The force tactile feedback module includes: a signal amplifier and a vehicle-mounted motor;
    将所述力触觉振动反馈信号发送至所述信号放大器进行功率放大处理，以得到力触觉振动反馈放大信号；Sending the force tactile vibration feedback signal to the signal amplifier for power amplification processing, so as to obtain the force tactile vibration feedback amplified signal;
    根据所述力触觉振动反馈放大信号控制所述车载马达执行力触觉振动反馈。According to the force haptic vibration feedback amplified signal, the vehicle-mounted motor is controlled to perform force haptic vibration feedback.
  9. 一种力触觉振动反馈的控制装置，其特征在于，所述控制装置包括：A control device for force tactile vibration feedback, characterized in that the control device comprises:
    信号接收模块，用于接收压力膜模块发送的压力值，及接收电容屏模块发送的按压位置信号；The signal receiving module is used to receive the pressure value sent by the pressure membrane module and the pressing position signal sent by the capacitive screen module;
    信号处理模块，用于根据所述压力值及所述按压位置信号生成力触觉振动反馈信号；A signal processing module, configured to generate a force tactile vibration feedback signal according to the pressure value and the pressing position signal;
    信号发送模块，还用于将所述力触觉振动反馈信号发送给所述力触觉反馈模块，以执行力触觉振动反馈。The signal sending module is further configured to send the force tactile vibration feedback signal to the force tactile feedback module to perform force tactile vibration feedback.
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