WO2014190569A1 - 一种具有触摸开关的设备的自校准方法、装置 - Google Patents

一种具有触摸开关的设备的自校准方法、装置 Download PDF

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Publication number
WO2014190569A1
WO2014190569A1 PCT/CN2013/077537 CN2013077537W WO2014190569A1 WO 2014190569 A1 WO2014190569 A1 WO 2014190569A1 CN 2013077537 W CN2013077537 W CN 2013077537W WO 2014190569 A1 WO2014190569 A1 WO 2014190569A1
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Prior art keywords
touch
detection module
touch detection
touch switch
self
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PCT/CN2013/077537
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English (en)
French (fr)
Inventor
龙涛
乔磊
严松
滕敏
Original Assignee
江苏惠通集团有限责任公司
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Publication of WO2014190569A1 publication Critical patent/WO2014190569A1/zh

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Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96Touch switches
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K2217/00Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/9401Calibration techniques
    • H03K2217/94031Calibration involving digital processing

Definitions

  • a touch switch refers to a touch switch designed by using a touch sensing chip principle, and can be applied to various electronic devices.
  • the user When in use, the user gently touches the touch switch to activate the touch switch, and the touch switch sense touch generates a touch signal corresponding to the user's touch operation, and sends the touch signal to the touch detection module composed of the touch sensor chip, and then the touch test module. Outputting a corresponding detection signal to complete an opening or closing operation of the device on which the touch switch is mounted, or receiving a detection signal of the touch detection module by the central processor of the device in which the touch switch is installed and performing corresponding processing, and then installing the touch switch The device is controlled.
  • the detection signal output by the touch detection module may be a high level signal or a low level signal or a level jump signal.
  • touch switches are sensitive, intelligent, easy to operate, easy to clean, and more aesthetically pleasing, which is unmatched by traditional mechanical buttons, so touch switches have become the mainstream of applications.
  • the touch switch in addition to sensitive sensing of the user's touch operation, it is also very sensitive to the surrounding environment, such as when the ambient temperature, humidity, electromagnetic environment, and between the human body and the touch switch
  • the touch switch is also easily activated if the device in which the touch switch is installed goes to sleep. State, the device enters a self-locking state. For another example, when the user places the touch switch on the desktop with the side of the touch switch facing down, since the desktop is a large insulator, the touch switch may be activated, and the user does not have the device again for a period of time.
  • the device During operation, the device enters a sleep state when the touch switch is activated, that is, a self-locking state.
  • a self-locking state When the user uses the device again, the device cannot be used because the touch switch is already active and cannot recognize the user's touch operation. It can be seen that the problem that the device with the touch switch easily enters the self-locking state greatly affects the reliability of the device.
  • a related art can be referred to Chinese Patent Application Publication No. 101916502A. SUMMARY OF THE INVENTION The problem to be solved by the present invention is that a device having a touch switch in the prior art easily enters a self-locking state.
  • the present invention provides a self-calibration method for a device having a touch switch, the device comprising a touch detection module adapted to detect the touch switch, the method comprising: the device is in normal operation In the state, when the touch detection module does not detect the touch signal of the touch switch in the first preset time, the device is switched to the sleep state; the second pre-read after the device switches to the sleep state In the set time, when the touch detection module detects that the touch switch is in an active state, performing a power-on process on the touch detection module, and then bringing the device into a sleep state.
  • the first preset time ranges from 8 s to 23 s.
  • the second preset time ranges from 0.5 s to 1.5 s.
  • the self-calibration method of the device with a touch switch further includes: after the device switches to a sleep state, a second preset time, when the touch detection module detects that the touch switch is in an inactive state , the device remains in a sleep state.
  • the performing the power-on processing on the touch detection module includes: powering off the touch detection module, and delaying the third detection time to power on the touch detection module.
  • the self-calibration method of the device with a touch switch further includes: when the device is in a sleep state, when the touch detection module detects a touch signal of the touch switch, switching the device to Normal working condition.
  • the third preset time ranges from 250 ms to 750 ms.
  • the self-calibration method of the device with the touch switch further includes: after the device is powered on, delaying the fourth preset time to power on the touch detection module.
  • the self-calibration method of the device with a touch switch further includes: detecting, after a fifth preset time after the touch detection module is powered on, whether the touch detection module is triggered, and if so, The touch detection module is powered back on, if otherwise, the device is put into a normal working state.
  • the fourth preset time ranges from 100 ms to 300 ms.
  • the fifth preset time ranges from 50 ms to 150 ms.
  • the technical solution of the present invention further provides a self-calibration device of a device with a touch switch, the device comprising a touch detection module adapted to detect the touch switch, the device comprising: a state control unit, When the device is in a normal working state, when the touch detection module does not detect the touch signal of the touch switch in the first preset time, the device is switched to the sleep state; a unit, configured to perform a second power-on processing on the touch detection module when the touch detection module detects that the touch switch is in an active state after the device detects that the touch switch is in an active state;
  • the state control unit is further adapted to perform the touch check on the heavy power processing unit After the measurement module performs the power-on processing, the device is put into a sleep state.
  • the state control unit is further configured to: when the device detects that the touch switch is in an inactive state, the second preset time after the device is switched to the sleep state, Stay asleep.
  • the power-on processing unit is configured to power off the touch detection module, and delay the third preset time to power on the touch detection module.
  • the state control unit is further adapted to switch the device to a normal working state when the touch detection module detects a touch signal to the touch switch when the device is in a sleep state.
  • the self-calibration device of the device with a touch switch further includes: a power-on control unit, configured to delay the fourth preset time and then power on the touch detection module after the device is powered on.
  • the self-calibration device of the device with a touch switch further includes: a trigger detecting unit, configured to detect whether the touch detection module is triggered within a fifth preset time after the touch detection module is powered on If yes, the touch detection module is powered on again, if otherwise, the device is put into a normal working state.
  • a trigger detecting unit configured to detect whether the touch detection module is triggered within a fifth preset time after the touch detection module is powered on If yes, the touch detection module is powered on again, if otherwise, the device is put into a normal working state.
  • the technical solution of the present invention has the following advantages: detecting whether the touch switch is activated when the device with the touch switch is switched to the sleep state, and if the touch switch is activated, The touch detection module performs power-off processing after power-off, and then delays the third preset time, and then powers on, so that the device automatically releases the self-locking and then enters the sleep state, and the reliability of the device is mentioned.
  • FIG. 1 is a schematic flow chart of a self-calibration method of a device with a touch switch according to a technical solution of the present invention
  • FIG. 2 is a schematic flowchart of a self-calibration method for a remote controller with a touch switch according to an embodiment of the present invention
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A remote controller with a touch switch is taken as an example to explain the working principle of a device with a touch switch.
  • the remote controller with a touch switch generally includes a touch switch, a touch detection module, a power switch, a signal transmission port, a central processing unit, and the like, wherein the touch detection module is configured to detect the state of the touch switch.
  • the user When in use, the user first turns on the power switch of the remote control, and after all the components of the remote controller are powered on, they enter the normal working state. Then, the user can touch the touch switch with a finger to make the touch switch generate a corresponding touch signal.
  • the touch detection module detects the touch signal, a corresponding detection signal is generated, and then the detection signal is converted into a pair by the central processing unit.
  • the control signal of the remote control device is sent from the signal transmission port of the remote controller to the remotely controlled device to complete the control of the remotely controlled device.
  • the remote controller When the user no longer operates the remote controller for a period of time, in order to reduce the power consumption of the remote controller, the remote controller will enter a sleep state, so that the central processing unit, the signal transmission port and the like are stopped, but the touch detection module is kept in a working state.
  • the touch detection module detects the corresponding detection signal of the touch signal of the touch switch again, and then the remote controller wakes up from the sleep state and enters the working state again.
  • the remote control with touch switch has the advantages of responsive and easy operation, and is easy to clean, which meets the requirements of modern people for electronic products.
  • Problem 1 Devices with touch switches are easy to enter the self-locking state. For example, users and The touch switch of the remote control keeps in contact, but does not perform other operations on the remote controller for a period of time. At this time, the remote controller enters sleep when the touch switch is activated, that is, enters a self-locking state; for example, as in the background art As mentioned, when the user places the remote control touch switch down on the desktop, the remote control may also enter a self-locking state.
  • the inventors have proposed a self-calibration method for a device having a touch switch, the device comprising a touch detection module adapted to detect the touch switch, as shown in FIG.
  • Step S1 After the device is powered on, delaying the fourth preset time to power on the touch detection module;
  • Step S2 detecting the touch detection module in a fifth preset time after the touch detection module is powered on Whether it is triggered, if yes, the touch detection module is powered on again, if otherwise, the device is put into a normal working state;
  • Step S3 when the device is in a normal working state, when the device is in the first preset time If the touch detection module does not detect the touch signal to the touch switch, the device is switched to the sleep state;
  • Step S4 the second preset time after the device switches to the sleep state, When the touch detection module detects that the touch switch is in an active state, performing a power-on process on the touch detection module, and then putting the device into a sleep state.
  • the device with the touch switch first switches to the sleep state when there is no user operation for a period of time, and when the touch switch is activated for a period of time after the switch is activated, First, the touch switch is powered off and then powered on again before entering the sleep state. In this way, it is ensured that the touch switch of the device is not in an active state when entering the sleep, and the self-locking state of the device is effectively released, which can solve the above problem 1.
  • Step S21 Powering on the remote controller. Specifically, when the power switch of the remote controller is turned on, the remote controller is powered on. When the remote control does not have a power switch, installing a battery for the remote control can be considered as powering up the remote control.
  • Step S22 After the remote controller is powered on, the touch detection module of the remote controller is powered on by a delay of 200 ms.
  • the pulse signal generated in the circuit causes the electromagnetic environment around the remote controller to change, generating an interference signal that causes the touch detection module to be falsely triggered, that is, the function of the touch detection module in the interference signal.
  • the detection signal is outputted to cause the remote controller to malfunction.
  • the inventor proposes a strategy for delaying the power-on of the touch detection module of the remote controller, that is, after the power switch of the remote controller is turned on, power-on initialization of other components except the touch detection module is performed in the circuit.
  • the touch detection module After the current signal is stabilized, the touch detection module is powered on, thus eliminating the power-on process of other components.
  • the fourth preset time is delayed after the remote controller is powered on, and the current signal in the circuit can be stabilized, wherein the fourth preset time can be based on the power-on time of the circuit other than the touch detection module of the remote controller with the touch switch.
  • the value ranges from 100ms to 300ms. In this embodiment, it is set to 200ms. That is, when the remote controller is powered on or the battery is installed for 200ms, the current signal in the circuit of the signal transmitting port, the central processing unit, etc.
  • Step S23 Detect whether the touch detection module is triggered within 100 ms after power-on. Detecting whether the touch detection module is triggered, that is, detecting whether the touch detection module has a detection signal output. Under normal circumstances, the corresponding detection signal is generated only when the touch detection module detects the touch signal of the touch switch. Similar to the reason mentioned in step S22, when the touch detection module itself is powered on, the electromagnetic interference signal may be generated due to a large pulse current to cause the touch detection switch to be erroneously triggered.
  • the inventor analyzed that after the touch detection module is powered on, the user usually does not perform a touch operation for a short period of time. If the touch detection module has a detection signal output during this time period, it is likely to be a false trigger, so a fifth preset time can be set. If it is detected that the touch detection module is triggered within the fifth preset time, it is considered that the trigger is a false trigger in the power-on process of the touch detection module.
  • the fifth preset time is generally set to a range of 50ms to 150ms. As shown in the figure, when the result of the determination in step S23 is YES, step S24 is performed; otherwise, step S25 is performed. Step S24: The touch detection module is powered on again.
  • the remote controller detects that the touch detection module is triggered. At this time, the touch detection module needs to be powered on again to eliminate the influence of the false detection of the touch detection module on the use of the remote controller. Further, in a short time after power-on, it is still possible to cause the touch detection module to be erroneously triggered. Therefore, after each power-on, it is returned to step S23 to detect whether the touch detection module is triggered within 100 ms after power-on. Step S25: The remote controller enters a normal working state.
  • Step S26 The touch detection module does not detect the touch signal to the touch switch within 15 seconds, and then the remote controller is switched to the sleep state. As mentioned above, when the user temporarily does not need to use the device with the touch switch, some parts of the device can be put into a sleep state, but the touch detection module is kept in a normal working state.
  • the touch switch When the user operates the touch switch again, the touch switch generates a touch signal, and the touch detection module detects the touch signal of the touch switch, and can wake up other components of the device in a sleep state, and the device re-enters the normal working state. This can greatly save the power consumption of the device. That is, when the touch detection module does not detect the touch signal of the touch switch during the first preset time after the remote controller is in the normal working state, the remote controller is switched to the sleep state.
  • the first preset time is set according to the specific use scenario of the device with the touch switch and the user's usage habits, and the range is generally set to 8s to 23s. For the remote controller described in this embodiment, it can be set to 15s. Then step S27 is performed.
  • Step S27 After the remote controller switches to the sleep state Is, it is determined whether the touch detection module detects that the touch switch is in an active state.
  • the remote controller enters a self-locking state, that is, when the touch switch is in an active state, it enters a sleep state, such as the user does not touch the touch switch for a long time, or places the remote control touch switch down on the desktop, Or when the temperature, humidity, electromagnetic field, etc. in the environment change greatly, it may cause the remote controller to go to sleep when the touch switch is activated.
  • the remote controller When the user wants to use the remote controller again, since the touch switch is already activated, the user's touch operation can no longer be sensed, and the remote controller cannot be used normally.
  • the inventor proposes to automatically detect whether the touch switch is in an activated state after the device having the touch switch switches to the sleep state, and if the detection result is yes, Go to step S28, otherwise perform steps S29.
  • the second preset time is determined according to the time taken by the device to switch to the sleep state except for the touch detection module, and is generally set to be 0.5s to 1.5s. In this embodiment, the second preset time is set. Equal to ls.
  • Step S28 Perform a power-on process on the touch detection module, and then put the remote controller into a sleep state.
  • the power-on processing includes: first powering off the touch detection module, and then delaying the third preset time, and then powering on the touch detection module. That is to say, by the power-off and re-powering of the touch detection module, the purpose is to restore the output of the touch detection module to the initial state, so that the user's touch operation can be detected again.
  • the purpose of powering up after the third preset time after power-off is mainly to ensure the stability of the circuit state when the touch detection module is powered on, so as to avoid damage to the touch detection module caused by the rapid change of the current signal, the third preset time
  • the general range can be set to 250ms ⁇ 750ms.
  • the touch detection module is powered off after being powered off for 500ms. After the touch detection module is powered on again, the touch switch and the touch detection module are restored to the initial state, so that the remote controller does not enter the self-locking state after entering the sleep state again.
  • Step S29 The remote controller remains in a sleep state.
  • step S27 When the touch detection module detects that the touch switch is not activated in step S27, the remote controller can continue to remain in a sleep state. After the remote controller enters the sleep state, the touch detection module is still in the working state, and can still detect the user's touch operation on the touch switch. Once the user's operation on the touch switch is detected again, the remote controller is woken up to enter the normal working state again. That is, after step S28 and step S29, step S30 is performed to determine whether the touch detection module detects the touch signal of the touch switch, and if yes, return to step S25 to cause the remote controller to enter the normal working state again; if not continue to maintain the sleep state, such as steps S29.
  • step S25 to step S29 when the remote controller switches to the sleep state, it is first detected whether the touch switch is activated, and if the touch switch is activated, the touch detection module is re-powered to realize the device with the touch switch. Power-off self-calibration, which can quickly and effectively remove the device with touch switch The lock greatly improves the reliability of the device, and the implementation process does not require manual intervention, and does not cause inconvenience to the user operation.
  • Step S21 to step S24 adopting a self-calibration strategy for delaying power-on and power-on of the touch detection module, so that the touch detection module enters a normal working state after the signal is stabilized by the remote controller and the touch detection module, so that the touch detection module does not It will be triggered by the pulse signal in the initialization process of the remote control and the touch detection module during power-on initialization, which further improves the reliability of the device with the touch switch. It should be noted that, in other embodiments, if only the problem of unlocking the device is self-locked, only step S25 to step S29 in this embodiment may be included.
  • the embodiment of the present invention further provides a self-calibration device for a device with a touch switch.
  • the device includes a device suitable for detecting the touch switch.
  • the touch detection module U1 includes: a state control unit U2, a power-on processing unit U3, a power-on control unit U4, and a trigger detection unit U5.
  • the state control unit U2 is adapted to switch the device to sleep when the touch detection module U1 does not detect the touch signal of the touch switch within the first preset time when the device is in a normal working state.
  • a state further adapted to: after the re-powering processing unit U3 performs a re-power-on processing on the touch detection module, to bring the device into a sleep state; and is further adapted to be second after the device switches to a sleep state a preset time, when the touch detection module U1 detects that the touch switch is in an inactive state, the device is kept in a sleep state; and is further adapted to be in a sleep state when the device is in a sleep state, when the touch detection module U1 The touch signal of the touch switch is detected, and the device is switched to a normal working state.
  • the power-on processing unit U3 is adapted to perform a second preset time after the device switches to the sleep state, and when the touch detection module U1 detects that the touch switch is in an active state, perform heavy on the touch detection module.
  • the power-on processing, the power-on processing is to power off the touch detection module U1, and delay the third preset time to power on the touch detection module U1.
  • the power-on control unit U4 is adapted to delay the fourth preset time and then power on the touch detection module after the device is powered on.
  • the trigger detecting unit U5 is adapted to detect the location within a fifth preset time after the touch detection module U1 is powered on.
  • the touch detection module U1 is triggered, and if so, the touch detection module U1 is powered on again, if otherwise, the device is put into a normal working state.
  • the state control unit U2 and the power-on processing unit U3 may be included.
  • all or part of the foregoing technical solutions may be implemented by a program to instruct related hardware, and the program may be stored in a readable storage medium, and the storage medium may be a ROM or a RAM.

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Abstract

一种具有触摸开关的设备的自校准方法,所述设备包括适于对所述触摸开关进行检测的触摸检测模块(U1),所述方法包括:在所述设备处于正常工作状态下,当在第一预设时间内所述触摸检测模块(U1)未检测到所述触摸开关的触摸信号,则使所述设备切换至睡眠状态(S3);在所述设备切换至睡眠状态后的第二预设时间内,当所述触摸检测模块(U1)检测到所述触摸开关为激活状态,则对所述触摸检测模块(U1)执行重上电处理,然后再使所述设备进入睡眠状态(S4)。还提供了一种具有触摸开关的设备的自校准装置。

Description

一种具有触摸开关的设备的自校准方法、 装置 本申请要求 2013 年 5 月 28 日提交中国专利局、 申请号为 201310205882.0、 发明名称为 "一种具有触摸开关的设备的自校准方 法、 装置"的中国专利申请的优先权, 其全部内容通过引用结合在本 申请中。 技术领域 本发明涉及设备自校准领域,尤其涉及一种具有触摸开关的设备 的自校准方法、 装置。 背景技术 触摸开关, 是指应用触摸感应芯片原理设计的一种触摸开关, 可 以被应用在各种电子设备上。 使用时, 用户轻轻触碰触摸开关使触摸 开关被激活,触摸开关感应触碰会产生与用户触摸操作相应的触摸信 号, 发送给由触摸感应芯片等构成的触摸检测模块, 再由触摸测模块 输出相应的检测信号,完成对安装该触摸开关的设备的打开或者关闭 操作,或者由安装该触摸开关的设备的中央处理器接收触摸检测模块 的检测信号并进行相应的处理后再对安装触摸开关的设备进行控制。 触摸检测模块输出的检测信号可以为高电平信号或者低电平信号或 者电平跳变信号。 而在操作具有传统的机械式按键的设备时, 用户往 往需要用力按下按键使按键电路充分闭合才能完成操作,而且机械式 按键需要在设备的面板上开孔、使机械式按键凸出设备表面, 才能使 用。 相比之下, 触摸开关反应灵敏、 智能程度高、 操作方便、 易于清 洁、 更加美观, 是传统的机械式按键无法比拟的, 因此触摸开关已经 成为了应用的主流。 也正是由于触摸开关具有很高的灵敏度,除了能灵敏的感应用户 的触摸操作外,它对周围的环境也非常敏感,例如当环境温度、湿度、 电磁环境、 以及人体与触摸开关之间的接触面积出现较大的变化时, 触摸开关也很容易被激活,若在此时安装该触摸开关的设备进入睡眠 状态, 该设备就进入了自锁状态。 又例如, 当用户将具有触摸开关的 设备其触摸开关的一侧朝下放置到桌面上时,由于桌面是一个大的绝 缘体, 触摸开关就可能被激活, 当一段时间内用户没有对该设备再次 操作时, 该设备就会在触摸开关处于激活时进入睡眠状态, 即自锁状 态。 当用户再次使用该设备时, 就会由于触摸开关已经处于激活状态 而无法识别用户的触摸操作而使该设备无法使用。 可见, 具有触摸开 关的设备容易进入自锁状态的问题会大大影响所述设备的可靠性。 相关技术可参考公开号为 101916502A的中国专利申请。 发明内容 本发明解决的问题是现有技术中具有触摸开关的设备容易进入 自锁状态。 为解决上述问题,本发明提供一种具有触摸开关的设备的自校准 方法, 所述设备包括适于对所述触摸开关进行检测的触摸检测模块, 所述方法包括: 在所述设备处于正常工作状态下, 当在第一预设时间内所述触摸 检测模块未检测到所述触摸开关的触摸信号,则使所述设备切换至睡 眠状态; 在所述设备切换至睡眠状态后的第二预设时间内, 当所述触摸检 测模块检测到所述触摸开关为激活状态,则对所述触摸检测模块执行 重上电处理, 然后再使所述设备进入睡眠状态。 可选的, 所述第一预设时间的取值范围为 8s~23s。 可选的, 所述第二预设时间的取值范围为 0.5s~1.5s。 可选的, 所述具有触摸开关的设备的自校准方法还包括: 在所述 设备切换至睡眠状态后的第二预设时间, 当所述触摸检测模块检测到 所述触摸开关为非激活状态, 则所述设备保持睡眠状态。 可选的, 所述对所述触摸检测模块执行重上电处理包括: 使所述 触摸检测模块断电, 延迟第三预设时间后再使所述触摸检测模块上 电。 可选的, 所述具有触摸开关的设备的自校准方法还包括: 在所述 设备处于睡眠状态下, 当所述触摸检测模块检测到所述触摸开关的触 摸信号, 则使所述设备切换至正常工作状态。 可选的, 所述第三预设时间取值范围为 250ms~750ms。 可选的, 所述具有触摸开关的设备的自校准方法还包括: 在所述 设备上电后, 延迟第四预设时间再使所述触摸检测模块上电。 可选的, 所述具有触摸开关的设备的自校准方法还包括: 在所述触摸检测模块上电后的第五预设时间内,检测所述触摸检 测模块是否被触发, 若是则使所述触摸检测模块重新上电, 若否则使 所述设备进入正常工作状态。 可选的, 所述第四预设时间取值范围为 100ms~300ms。 可选的, 所述第五预设时间取值范围为 50ms~150ms。 为解决上述问题,本发明技术方案还提供一种具有触摸开关的设 备的自校准装置,所述设备包括适于对所述触摸开关进行检测的触摸 检测模块, 所述装置包括: 状态控制单元, 适于在所述设备处于正常工作状态下, 当在第一 预设时间内所述触摸检测模块未检测到所述触摸开关的触摸信号,则 使所述设备切换至睡眠状态; 重上电处理单元,适于在所述设备切换至睡眠状态后的第二预设 时间, 当所述触摸检测模块检测到所述触摸开关为激活状态, 则对所 述触摸检测模块执行重上电处理; 所述状态控制单元还适于在所述重上电处理单元对所述触摸检 测模块执行重上电处理后, 使所述设备进入睡眠状态。 可选的,所述状态控制单元还适于在所述设备切换至睡眠状态后 的第二预设时间, 当所述触摸检测模块检测到所述触摸开关为非激活 状态, 则使所述设备保持睡眠状态。 可选的, 所述重上电处理单元适于使所述触摸检测模块断电, 延 迟第三预设时间后再使所述触摸检测模块上电。 可选的, 所述状态控制单元还适于在所述设备处于睡眠状态下, 当所述触摸检测模块检测到对所述触摸开关的触摸信号,则使所述设 备切换至正常工作状态。 可选的, 所述具有触摸开关的设备的自校准装置还包括: 上电控 制单元, 适于在所述设备上电后, 延迟第四预设时间再使所述触摸检 测模块上电。 可选的, 所述具有触摸开关的设备的自校准装置还包括: 触发检 测单元, 适于在所述触摸检测模块上电后的第五预设时间内,检测所 述触摸检测模块是否被触发, 若是则使所述触摸检测模块重新上电, 若否则使所述设备进入正常工作状态。 与现有技术相比, 本发明的技术方案具有以下优点: 当具有触摸开关的设备切换到睡眠状态后的第二预设时间内,检 测触摸开关是否被激活,若触摸开关为激活时则对触摸检测模块进行 先断电、 然后延迟第三预设时间后再上电的重上电处理, 这样就使所 述设备自动解除自锁后,再进入睡眠状态,提到了所述设备的可靠性, 也能保证所述设备能在各种应用环境中的稳定性。 进一步, 通过对触摸检测模块的延迟上电处理和重新上电处理, 也有效的避免了所述设备及触摸检测模块本身上电过程中由于电流 信号不稳定而可能引起的触摸检测模块的误触发,更加保证了所述设 备的可靠性。 附图说明 图 1 是本发明技术方案的具有触摸开关的设备的自校准方法的 流程示意图; 图 2是本发明实施例提供的具有触摸开关的遥控器的自校准方 法的流程示意图; 图 3 是本发明实施例提供的具有触摸开关的遥控器的自校准装 置的结构示意图。 具体实施方式 以具有触摸开关的遥控器为例,先筒单说明一下具有触摸开关的 设备的工作原理。 该具有触摸开关的遥控器, 一般包括触摸开关、 触 摸检测模块、 电源开关、 信号发送端口、 中央处理器等, 其中触摸检 测模块用于对触摸开关的状态进行检测。使用时, 用户先打开遥控器 的电源开关, 完成遥控器的所有部件上电初始化后, 进入正常工作状 态。 然后用户就可以通过手指轻轻触碰触摸开关, 使触摸开关产生相 应的触摸信号, 当触摸检测模块检测到该触摸信号后产生相应的检测 信号 ,然后经由中央处理器处理将检测信号转变为对被遥控设备的控 制信号, 从遥控器的信号发送端口发送至被遥控设备, 完成对被遥控 设备的控制。 当一段时间内用户不再对遥控器进行操作时, 为了减少 遥控器的耗电, 遥控器会进入睡眠状态, 使中央处理器、 信号发送端 口等部件停止工作, 但保留触摸检测模块为工作状态, 待用户再次拿 起遥控器对触摸时按键进行操作时,触摸检测模块会再次检测到触摸 开关的触摸信号相应的检测信号,然后遥控器从睡眠状态被唤醒再次 进入工作状态。 与传统的机械按键式的遥控器相比, 具有触摸开关的 遥控器操具有反应灵敏、 便于操作的优点, 且易于清洁, 符合现代人 对电子产品的要求。 但是, 正是由于触摸开关灵敏度高, 也容易产生 一些问题, 主要有: 问题一: 具有触摸开关的设备容易进入自锁状态。 例如, 用户与 遥控器的触摸开关保持接触,但是一段时间没有对遥控器进行其他操 作, 这时遥控器就会在触摸开关处于激活状态的情况下进入睡眠, 即 进入自锁状态; 再比如, 像背景技术中提到的, 当用户将遥控器触摸 开关朝下放置在桌面上, 遥控器也可能会进入自锁状态。 当用户再次 使用遥控器时, 由于触摸开关已经处于激活状态, 它就无法再识别用 户的触摸操作, 也就无法产生触摸信号, 触摸检测模块也就无法产生 相应的检测信号, 最终导致遥控器无法使用; 问题二: 在打开遥控器的电源开关打开时, 由于整个遥控器上电 过程以及触摸检测模块的上电过程都会出现较大的电流脉沖信号,会 使周围的电磁环境发生巨大变化而对触摸检测模块产生干扰,导致触 摸检测模块被误触发,即在没有用户操作时触摸检测模块输出了检测 信号, 从而导致遥控器误动作。 上述两个问题的存在, 尤其是问题一, 大大降低了具有触摸开关 的设备在实际使用过程中的可靠性和用户体验度,也限制了触摸开关 在温度、 湿度、 电磁场等变化较大的使用环境中的应用。 为了解决上 述问题, 发明人提出了一种具有触摸开关的设备的自校准方法, 所述 设备包括适于对所述触摸开关进行检测的触摸检测模块, 如图 1 所 示, 包括: 步骤 S1 : 在所述设备上电后, 延迟第四预设时间再使所述触摸 检测模块上电; 步骤 S2: 在所述触摸检测模块上电后的第五预设时间内, 检测 所述触摸检测模块是否被触发, 若是则使所述触摸检测模块重新上 电, 若否则使所述设备进入正常工作状态; 步骤 S3: 在所述设备处于正常工作状态下, 当在第一预设时间 内所述触摸检测模块未检测到对所述触摸开关的触摸信号,则使所述 设备切换至睡眠状态; 步骤 S4: 在所述设备切换至睡眠状态后的第二预设时间, 当所 述触摸检测模块检测到所述触摸开关为激活状态,则对所述触摸检测 模块执行重上电处理, 然后再使所述设备进入睡眠状态。 通过上述步骤 S3和步骤 S4的断电自校准的过程,具有触摸开关 的设备在一段时间内没有用户操作时, 先切换到睡眠状态, 在切换后 的一段时间检测到触摸开关被激活时,则先对触摸开关进行先断电再 上电的重上电处理后再进入睡眠状态。 这样, 就保证了所述设备在进 入睡眠时其触摸开关不为激活状态, 有效解除了所述设备的自锁状 态, 可以解决上述问题一。 另外, 通过步骤 S1的延迟上电处理和步骤 S2的重新上电处理, 则能防止在设备上电过程中由于大的电流脉沖信号引起的干扰信号 对触摸检测模块的影响, 进一步提高了所述设备的可靠性, 能解决上 述问题二。 为使本发明的上述目的、特征和优点能够更为明显易懂, 下面结 合附图对本发明的具体实施例做详细的说明。 仍以具有触摸开关的遥控器为例进行说明,如图 2所示为本发明 实施例的具有触摸开关的设备的自校准的方法, 包括: 步骤 S21 : 对遥控器进行上电。 具体的, 当打开遥控器的电源开 关, 就是对遥控器进行上电。 当遥控器没有电源开关时, 为遥控器安 装电池可以认为是对遥控器进行上电。 步骤 S22: 遥控器上电初始化后, 延迟 200ms对遥控器的触摸检 测模块上电。 前面已经提到, 当遥控器上电时, 电路中产生的脉沖信 号会使得遥控器周围的电磁环境发生变化,产生使触摸检测模块被误 触发的干扰信号,即触摸检测模块在干扰信号的作用下输出了检测信 号, 使遥控器误动作。 为了避免这种情况的发生, 发明人提出对遥控 器的触摸检测模块延迟上电的策略, 即遥控器电源开关打开后, 先对 除触摸检测模块以外的其他部件进行上电初始化,待电路中的电流信 号稳定后再对触摸检测模块上电,这样就消除了其他部件上电过程可 能形成的干扰信号对触摸检测模块的影响。一般认为遥控器上电后延 迟第四预设时间, 电路中的电流信号即可达到稳定, 其中第四预设时 间可以根据具有触摸开关的遥控器除触摸检测模块以外的其他电路 的上电时间来设定, 一般取值范围为 100ms ~ 300ms, 本实施例中, 设置为 200ms。 即当遥控器打开电源或者安装电池后经过 200ms , 其 信号发送端口、 中央处理器等部件的电路中的电流信号达到稳定, 不 会对触摸检测模块产生干扰,从而解决了遥控器其他部件上电过程中 可能发生的遥控器的触摸检测模块被误触发的问题。 然后执行步骤 S23。 步骤 S23: 检测触摸检测模块上电后 100ms内, 是否被触发。 检 测所述触摸检测模块是否被触发也就是检测所述触摸检测模块是否 有检测信号输出。 正常情况下, 只有当触摸检测模块检测到触摸开关 的触摸信号后, 才会产生相应的检测信号。 与步骤 S22中所提到的原 因类似, 触摸检测模块本身上电的时候, 也可能由于大的脉沖电流产 生电磁干扰信号使触摸检测开关被误触发。发明人分析, 触摸检测模 块上电后短时间用户通常不会进行触摸操作,在这个时间段内如果触 摸检测模块有检测信号输出则很有可能就是误触发,因此可以设置一 个第五预设时间, 若在第五预设时间内检测到触摸检测模块被触发 了, 就认为本次触发是触摸检测模块上电过程中的误触发。 其中, 第 五预设时间一般取值范围设置为 50ms ~ 150ms , 如图所示, 当步骤 S23的判断结果为是时, 执行步骤 S24; 否则执行步骤 S25。 步骤 S24: 使触摸检测模块重新上电。 在触摸检测模块上电后的 100ms内, 遥控器检测到触摸检测模块被触发了, 此时需要对触摸检 测模块重新上电, 以消除触摸检测模块误触发对遥控器使用的影响。 进一步, 重新上电后的短时间内仍然有可能使触摸检测模块被误触 发, 因此每次重上电后还是要返回步骤 S23 , 检测上电后的 100ms内 触摸检测模块是否被触发。 步骤 S25: 遥控器进入正常工作状态。 即在触摸检测模块上电后 的 100ms内,没有检测到触摸检测模块被触发,这就意味着整个遥控 器完成了所有部件的上电初始化, 此时遥控器就能进入正常工作状 态, 可以被用户正常使用了。 步骤 S26: 在 15s内触摸检测模块没有检测到对触摸开关的触摸 信号, 则使遥控器切换到睡眠状态。 前面已经提到, 当用户暂时不需 要使用具有触摸开关的设备时,可以使该设备的部分部件进入睡眠状 态, 但保留其触摸检测模块处于正常工作状态。 当用户再次对触摸开 关进行操作时, 触摸开关就会产生触摸信号, 触摸检测模块检测到触 摸开关的触摸信号, 就能唤醒所述设备处于睡眠状态的其他部件, 所 述设备重新进入正常工作状态, 这样可以大大节省所述设备的耗电 量。 即当遥控器处于正常工作状态后的第一预设时间内, 触摸检测模 块都没有检测到触摸开关的触摸信号, 就将遥控器切换至睡眠状态。 其中第一预设时间根据具有触摸开关的设备具体的使用场景以及用 户的使用习惯来设定, 范围一般设定为 8s ~ 23s, 对于本实施例中所 述的遥控器, 可以设置为 15s。 然后执行步骤 S27。 步骤 S27: 在遥控器切换至睡眠状态后 Is, 判断触摸检测模块是 否检测到触摸开关为激活状态。前面已经提到,遥控器进入自锁状态, 就是在触摸开关为激活状态的情况下进入了睡眠状态,比如用户长时 间接触触摸开关不动、 或者将遥控器触摸开关朝下放置在桌面上、 或 者当环境中的温度、 湿度、 电磁场等发生巨大变化时, 都可能会使遥 控器在触摸开关为激活状态的情况下进入睡眠。当用户要再次使用遥 控器时,由于触摸开关已经处于激活状态所以无法再感应用户的触摸 操作, 就导致遥控器无法正常使用。 这时, 用户需要手动对遥控器进 行复位处理(即先关闭电源开关然后再打开, 或者拔掉电池后重新安 装)才能使遥控器解除自锁。 但是这样的操作无疑给用户带来了很多 不便。 为了使遥控器能自动解除自锁, 发明人提出, 在具有触摸开关 的设备切换到睡眠状态后的第二预设时间, 自动去检测触摸开关是否 处于被激活状态, 若检测结果为是, 则执行步骤 S28, 否则执行步骤 S29。 其中, 第二预设时间根据所述设备除触摸检测模块以外的其他 部件切换至睡眠状态所用的时间来确定,一般可以设置为 0.5s至 1.5s, 本实施例中, 设置第二预设时间等于 ls。 步骤 S28: 对触摸检测模块执行重上电处理, 然后再使遥控器进 入睡眠状态。 其中, 重上电处理包括: 先对触摸检测模块断电, 然后 延迟第三预设时间后, 再对触摸检测模块上电。 也就是说, 通过对触 摸检测模块的先断电、再上电的处理, 目的是使触摸检测模块的输出 能恢复初始状态, 以便能再次检测到用户的触摸操作。 其中, 断电后 延迟第三预设时间后再上电的目的,主要是为了保证触摸检测模块上 电时电路状态的稳定,以免电流信号快速变化对触摸检测模块造成损 害, 第三预设时间根据可以根据触摸检测模块具体的实现、 以及实验 测试综合确定, 一般范围可设置为 250ms~750ms, 本实施例中, 对触 摸检测模块断电后延迟 500ms后再上电。 触摸检测模块重新上电后, 触摸开关和触摸检测模块就恢复初始状态,这样遥控器再进入睡眠状 态就不会进入自锁了。 步骤 S29: 遥控器保持睡眠状态。 当步骤 S27中触摸检测模块检 测到触摸开关不是激活状态, 此时遥控器可以继续保持睡眠状态。 遥控器进入睡眠状态后, 触摸检测模块仍为工作状态, 仍能检测 用户对触摸开关的触摸操作, 一旦再次检测到用户对触摸开关的操 作, 会唤醒遥控器再次进入正常工作状态。 即在步骤 S28和步骤 S29 之后, 会执行步骤 S30, 判断触摸检测模块是否检测到触摸开关的触 摸信号, 若是则返回步骤 S25使遥控器再次进入正常工作状态; 若否 继续维持睡眠状态, 如步骤 S29所述。 至此,就完成了遥控器从上电初始化、到正常工作、再进入睡眠、 再唤醒进入工作状态的工作流程。 其中, 通过步骤 S25至步骤 S29, 当遥控器切换至睡眠状态时, 先检测触摸开关是否被激活, 如果触摸 开关被激活则对触摸检测模块进行重上电处理,实现了具有触摸开关 的设备的断电自校准, 能快速有效的使具有触摸开关的设备解除自 锁, 大大的提高了所述设备的可靠性, 且实现过程无需人工干预, 不 会对用户操作带来不便。 而步骤 S21至步骤 S24, 采用对触摸检测模块延迟上电和重新上 电的自校准策略,使得触摸检测模块在遥控器及触摸检测模块在信号 稳定以后才进入正常工作状态,使得触摸检测模块不会被遥控器及触 摸检测模块上电初始化过程中的脉沖信号干扰而导致误触发,进一步 提高了具有触摸开关的设备的可靠性。 需要说明, 在其他实施例中, 如果仅针对解除设备自锁的问题, 则可以仅包含本实施例中的步骤 S25至步骤 S29即可。 基于上述具有触摸开关的设备的自校准方法,本发明实施例还提 供一种具有触摸开关的设备的自校准装置, 如图 3所示, 所述设备包 括适于对所述触摸开关进行检测的触摸检测模块 U1 , 所述自校准装 置包括: 状态控制单元 U2、 重上电处理单元 U3、 上电控制单元 U4 和触发检测单元 U5。 其中状态控制单元 U2适于在所述设备处于正 常工作状态下, 当在第一预设时间内所述触摸检测模块 U1未检测到 所述触摸开关的触摸信号, 则使所述设备切换至睡眠状态; 还适于在 所述重上电处理单元 U3对所述触摸检测模块执行重上电处理后, 使 所述设备进入睡眠状态;还适于在所述设备切换至睡眠状态后的第二 预设时间, 当所述触摸检测模块 U1检测到所述触摸开关为非激活状 态,则使所述设备保持睡眠状态;还适于在所述设备处于睡眠状态下, 当所述触摸检测模块 U1检测到所述触摸开关的触摸信号, 则使所述 设备切换至正常工作状态。 重上电处理单元 U3适于在所述设备切换 至睡眠状态后的第二预设时间, 当所述触摸检测模块 U1检测到所述 触摸开关为激活状态, 则对所述触摸检测模块执行重上电处理, 所述 重上电处理为使所述触摸检测模块 U1断电, 延迟第三预设时间后再 使所述触摸检测模块 U1上电。 上电控制单元 U4适于在所述设备上 电后, 延迟第四预设时间再使所述触摸检测模块上电。 触发检测单元 U5, 适于在所述触摸检测模块 U1上电后的第五预设时间内, 检测所 述触摸检测模块 U1是否被触发, 若是则使所述触摸检测模块 U1重 新上电, 若否则使所述设备进入正常工作状态。 本实施例的具体实施 可参考本实施例中的具有触摸开关的设备的自校准方法的实施,不再 赘述。 在其他实施例中,若仅需要实现对具有触摸开关的设备解除自锁 的自校准, 则可以仅包含状态控制单元 U2和重上电处理单元 U3。 本领域技术人员可以理解,实现上述技术方案的全部或部分是可 以通过程序来指令相关的硬件来完成,所述的程序可以存储于可读存 储介质中, 所述存储介质可以是 ROM、 RAM, 磁碟、 光盘等。 虽然本发明披露如上, 但本发明并非限定于此。 任何本领域技术 人员, 在不脱离本发明的精神和范围内, 均可作各种更动与修改, 因 此本发明的保护范围应当以权利要求所限定的范围为准。

Claims

权 利 要 求
1. 一种具有触摸开关的设备的自校准方法, 所述设备包括适于对所 述触摸开关进行检测的触摸检测模块, 其特征在于, 包括: 在所述设备处于正常工作状态下, 当在第一预设时间内所述触摸检测 模块未检测到所述触摸开关的触摸信号,则使所述设备切换至睡眠状 态; 在所述设备切换至睡眠状态后的第二预设时间内, 当所述触摸检测模 块检测到所述触摸开关为激活状态,则对所述触摸检测模块执行重上 电处理, 然后再使所述设备进入睡眠状态。
2. 如权利要求 1所述的具有触摸开关的设备的自校准方法, 其特征 在于, 所述第一预设时间的取值范围为 8s~23s。
3. 如权利要求 1所述的具有触摸开关的设备的自校准方法, 其特征 在于, 所述第二预设时间的取值范围为 0.5s~1.5s。
4. 如权利要求 1所述的具有触摸开关的设备的自校准方法, 其特征 在于, 还包括: 在所述设备切换至睡眠状态后的第二预设时间, 当所 述触摸检测模块检测到所述触摸开关为非激活状态,则所述设备保持 睡眠状态。
5. 如权利要求 1所述的具有触摸开关的设备的自校准方法, 其特征 在于, 所述对所述触摸检测模块执行重上电处理包括: 使所述触摸检 测模块断电, 延迟第三预设时间后再使所述触摸检测模块上电。
6. 如权利要求 1所述的具有触摸开关的设备的自校准方法, 其特征 在于, 还包括: 在所述设备处于睡眠状态下, 当所述触摸检测模块检 测到所述触摸开关的触摸信号, 则使所述设备切换至正常工作状态。
7. 如权利要求 5所述的具有触摸开关的设备的自校准方法, 其特征 在于, 所述第三预设时间取值范围为 250ms~750ms。
8. 如权利要求 1所述的具有触摸开关的设备的自校准方法, 其特征 在于, 还包括: 在所述设备上电后, 延迟第四预设时间再使所述触摸 检测模块上电。
9. 如权利要求 8所述的具有触摸开关的设备的自校准方法, 其特征 在于, 还包括: 在所述触摸检测模块上电后的第五预设时间内,检测所述触摸检测模 块是否被触发, 若是则使所述触摸检测模块重新上电, 若否则使所述 设备进入正常工作状态。
10.如权利 8所述的具有触摸开关的设备的自校准方法,其特征在于, 所述第四预设时间取值范围为 100ms~300ms。
11.如权利 9所述的具有触摸开关的设备的自校准方法,其特征在于, 所述第五预设时间取值范围为 50ms~150ms。
12.一种具有触摸开关的设备的自校准装置, 所述设备包括适于对所 述触摸开关进行检测的触摸检测模块, 其特征在于, 包括: 状态控制单元, 适于在所述设备处于正常工作状态下, 当在第一预设 时间内所述触摸检测模块未检测到所述触摸开关的触摸信号,则使所 述设备切换至睡眠状态; 重上电处理单元, 适于在所述设备切换至睡眠状态后的第二预设时 间, 当所述触摸检测模块检测到所述触摸开关为激活状态, 则对所述 触摸检测模块执行重上电处理; 所述状态控制单元还适于在所述重上电处理单元对所述触摸检测模 块执行重上电处理后, 使所述设备进入睡眠状态。
13.如权利要求 12所述的具有触摸开关的设备的自校准装置,其特征 在于,所述状态控制单元还适于在所述设备切换至睡眠状态后的第二 预设时间, 当所述触摸检测模块检测到所述触摸开关为非激活状态, 则使所述设备保持睡眠状态。
14.如权利要求 12所述的具有触摸开关的设备的自校准装置,其特征 在于, 所述重上电处理单元适于使所述触摸检测模块断电, 延迟第三 预设时间后再使所述触摸检测模块上电。
15.如权利要求 12所述的具有触摸开关的设备的自校准装置,其特征 在于, 所述状态控制单元还适于在所述设备处于睡眠状态下, 当所述 触摸检测模块检测到对所述触摸开关的触摸信号,则使所述设备切换 至正常工作状态。
16.如权利要求 12所述的具有触摸开关的设备的自校准装置,其特征 在于, 还包括: 上电控制单元, 适于在所述设备上电后, 延迟第四预 设时间再使所述触摸检测模块上电。
17.如权利要求 16所述的具有触摸开关的设备的自校准装置,其特征 在于, 还包括: 触发检测单元, 适于在所述触摸检测模块上电后的第 五预设时间内, 检测所述触摸检测模块是否被触发, 若是则使所述触 摸检测模块重新上电, 若否则使所述设备进入正常工作状态。
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