CN101751771B - Infrared control device and method - Google Patents

Infrared control device and method Download PDF

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Publication number
CN101751771B
CN101751771B CN 200810239311 CN200810239311A CN101751771B CN 101751771 B CN101751771 B CN 101751771B CN 200810239311 CN200810239311 CN 200810239311 CN 200810239311 A CN200810239311 A CN 200810239311A CN 101751771 B CN101751771 B CN 101751771B
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signal
infrared
position
control
receiving
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CN 200810239311
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Chinese (zh)
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CN101751771A (en
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张一冰
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联想(北京)有限公司
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Abstract

The invention provides an infrared control device for a display system, comprising an infrared receiving module, a processing module and a control module, wherein the infrared receiving module is used for receiving a first infrared signal and a second infrared signal and correspondingly generates a first position signal and a second position signal; the processing module is used for generating a direction signal according to the first position signal and the second position signal; and the control module is used for generating a corresponding control signal according to the direction signal, and the control signal is used for controlling the device state. Through the infrared control device and the method, the number of keys of the existing remote controller can be reduced.

Description

红外控制装置和方法 Infrared control device and method

技术领域 FIELD

[0001] 本发明涉及控制领域,尤其涉及一种红外控制装置和方法。 [0001] The present invention relates to a control, and in particular, to a control apparatus and method for infrared. 背景技术 Background technique

[0002] 红外遥控是目前家用电器中使用较为广泛的遥控方式。 [0002] The infrared remote control is widely used in home appliances remotely. 红外遥控的特点是不影响周边环境、不干扰其他电器设备。 Infrared remote control feature is not affecting the surrounding environment, do not interfere with other electrical equipment. 由于其无法穿透墙壁,故不同房间的家用电器可使用通用的遥控器而不会产生相互干扰;电路调试简单,只要按照给定电路连接无误,一般不需任何调试即可投入工作;编解码容易,可进行多路控制。 Because it can not penetrate walls, so that household appliances may be used in different rooms of the universal remote control without causing mutual interference; debug circuitry as simple as in a given circuit connection is correct, generally without any work can be put into debug; Codec easy, multi-channel control. 因此,现在红外遥控在家用电器、室内近距离遥控中得到了广泛的应用。 So now infrared remote control has been widely used in household appliances, indoor close-in remote control.

[0003] 多路控制的红外遥控装置一般具有许多按键,代表不同的遥控功能。 [0003] The infrared remote control device having multiple control typically many different keys, on behalf of the remote control function. 当发射端按下某一个按键时,相应地接收端有不同地输出状态。 When a certain button is pressed transmitting end, the receiving end corresponding to different output states. 但是,随着红外遥控器控制功能的日益增多,遥控器上的按键也越来越多,繁多的按键使得遥控器的可操作性和舒适度降低。 However, with infrared remote control functions increasing number buttons on the remote control more and more, many of the remote control button enables reduction in operability and comfort. 使大部分人使用起来越来越不方便,功能的繁杂也阻碍了使用的灵活性。 So that most people use them more and more inconvenient, complicated functions are also hinders flexibility of use.

发明内容 SUMMARY

[0004] 本发明所要解决的技术问题在于提供一种红外控制装置和方法,能够有效减少遥控器上的按键数量。 [0004] The present invention solves the technical problem is to provide an apparatus and method for controlling the infrared, can effectively reduce the number of buttons on the remote control.

[0005] 根据本发明的一方面,提出了一种红外控制装置,其特征在于,包括:红外接收模块,用于接收第一红外线信号和第二红外信号,相应产生第一位置信号和第二位置信号;处理模块,用于根据第一位置信号和第二位置信号,产生方向信号;以及控制模块,用于根据方向信号产生相应的控制信号,该控制信号用于对设备状态的控制。 [0005] According to an aspect of the present invention, there is an infrared control device comprising: an infrared receiving module for receiving the first signal and the second infrared ray infrared signals, generating a respective first signal and a second position position signal; processing module, according to a first position signal and second position signal, generating a direction signal;, for generating a corresponding control signal based on the direction signal and a control module, a control signal for controlling the state of the device.

[0006] 其中,红外接收模块,还用于产生与第一位置信号相应的第一时间参数,以及与第二红外信号相应的第二时间参数。 [0006] wherein the infrared receiving module is further configured to time a second parameter corresponding to a first time parameter corresponding to the first position signal is generated, and a second infrared signal.

[0007] 其中,处理模块进一步包括:加速度监测单元,用于根据第一时间参数和第一位置信号,以及第二时间参数和第二位置信号,产生加速度参数。 [0007] wherein the processing module further comprises: an acceleration monitoring unit, according to a first time for a first parameter and a position signal, and the second time parameter and a second position signal, generating acceleration parameter.

[0008] 其中,第一位置信号和第二位置信号是连续的,或是间断的。 [0008] wherein the first position signal and second position signal is continuous, or intermittent.

[0009] 根据本发明的一个方面,提出了一种红外控制方法,包括:接收第一红外信号,产生第一位置信号;接收第二红外信号,产生第二位置信号;根据第一位置信号和第二位置信号,产生方向信号;根据方向信号产生相应的控制信号,控制信号用于对设备状态的控制。 [0009] In accordance with one aspect of the invention, an infrared proposed control method comprising: receiving a first infrared signal, generating a first position signal; receiving a second infrared signal, generates a second position signal; and in accordance with a first position signal a second position signal, generating a direction signal; generating a control signal in accordance with a corresponding direction signal, a control signal for controlling the state of the device.

[0010] 其中,接收第一红外信号还包括,产生与第一位置信号相应的第一时间参数;接收第二红外信号还包括,产生与第二红外信号相应的第二时间参数。 [0010] wherein the receiver further comprises a first infrared signal, generating a first position signal corresponding to a first time parameter; infrared receiving a second signal further comprises generating a second time parameter corresponding to the second infrared signal.

[0011] 其中,依据第一时间参数和第一位置信号,以及第二时间参数和第二位置信号,产生加速度参数。 [0011] wherein, according to the first parameter and the first time position signal, and the second time parameter and a second position signal, generating acceleration parameter.

[0012] 其中,第一位置信号和第二位置信号是连续的,或是间断的。 [0012] wherein the first position signal and second position signal is continuous, or intermittent.

[0013] 本发明具有以下技术效果:通过感应红外线的运动方向,可以产生控制信号,从而能够有效减少遥控器上对应于该控制信号的按键,减少了现有遥控器的按键数量 The number of buttons by the movement direction sensing infrared rays, may generate a control signal, thereby effectively reducing the signal corresponding to the control buttons on the remote control, reducing the conventional remote control: [0013] The present invention provides the following effects

附图说明 BRIEF DESCRIPTION

[0014] 此处所说明的附图用来提供对本发明的进一步理解,构成本申请的一部分,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。 [0014] The drawings described herein are provided for further understanding of the present invention, constitute a part of this application, exemplary embodiments of the present invention are used to explain the present invention without unduly limiting the present invention. 在附图中: In the drawings:

[0015] 图IA和图IB根据本发明的实施例的红外控制装置的工作示意图; [0015] FIGS. IA and IB a schematic view of the work control apparatus according to an embodiment of the present invention, the infrared is;

[0016] 图2A和图2B是根据本发明的实施例的红外控制装置的工作示意图; [0016] FIGS. 2A and FIG. 2B is a schematic view of a control device working according to the embodiment of an infrared embodiment of the present invention;

[0017] 图3是根据本发明的实施例的红外控制装置的原理框图;以及 [0017] FIG. 3 is a schematic block diagram of a control apparatus according to an embodiment of the present invention, an infrared; and

[0018] 图4是根据本发明的实施例的红外控制装置的流程图。 [0018] FIG. 4 is a flowchart of the embodiment of an infrared embodiment of the present invention.

具体实施方式 Detailed ways

[0019] 下面参考附图,详细说明本发明的具体实施方式。 [0019] Referring to the drawings, embodiments of the present invention will be described.

[0020] 图IA和图IB是根据本发明的实施例的红外控制装置的工作示意图。 [0020] FIGS. IA and FIG. IB is a schematic view of the work of the control apparatus of the embodiment of an infrared embodiment of the present invention. 如图IA和图IB所示,包括红外控制装置的显示系统,包括:显示设备(诸如,电视机)102 ;遥控接收头104,位于显示设备102中;红外控制装置106 ;遥控器108。 As shown in FIG. IA and IB, the infrared control system comprising a display device, comprising: a display device (such as a television) 102; remote control receiver 104, located in the display device 102; IR control apparatus 106; remote control 108. 其中,在遥控器108中黑色方框110代表被按下的某个功能键(例如,频道切换按钮),图IA和图IB代表遥控器108所发出的红外线信号从左边移动到右边的过程。 Wherein, in the remote controller 108 in the black squares 110 represents a function key is pressed (e.g., the channel switching button), FIG. IA and FIG. IB representative of an infrared remote control signal emitted by the process 108 moves from left to right.

[0021] 其中,以频道切换为例,说明该显示系统的实现步骤:首先当按下频道切换钮时,放置在显示设备102前部的红外控制装置106接收到不同的强弱信号(相当于对当前的红外线遥控器信号进行成像,并产生相应的位置信号);然后,显示设备102上的控制头104接收到脉冲调制控制码,进行判断是否是切换频道操作,防止误码;然后当从左到右移动遥控器108时,红外控制装置106上的影像(即,相应的位置信号)也同时在改变,通过判断影像移动的方向,进行处理,如加频道,反之,为减频道。 [0021] wherein, the channel switching to an example, the steps described to achieve the system: first, when the channel switching button is pressed, the control apparatus 102 is placed in the infrared portion of the front of the display device 106 receives a different signal strength (corresponding to the current imaging infrared remote control signal, and generates a corresponding position signal); then, the display control device 102 on the head 104 receives the control pulse code modulation, channel switching is determined whether the operation to prevent the error; then when the left to right movement of the remote control 108, infrared images on the device 106 (i.e., corresponding to the position signal) to control also changing, the image is determined by the direction of movement, processing, such as adding the channel, on the contrary, to reduce the channel. 实现频道的最终切换。 The ultimate realization of channel switching.

[0022] 图2A和图2B是根据本发明的实施例的红外控制装置的工作示意图。 [0022] FIGS. 2A and FIG. 2B is a schematic view of a control device working according to the embodiment of an infrared embodiment of the present invention. 如图2A和图2B所示,用凸透镜实现红外控制的方法,如图2所示:通过在显示设备204前面集成一个凸透镜206,利用小孔成像原理,通过凸透镜206放大红外线信号在红外(XD204上的透射位置的变化,可以通过透镜在红外(XD204上成像的移动同样实现频道等的功能控制,为了实现更好的接收红外线信号,CCD变成了一个面,长度也相应的变小。 2A and, with the control method implemented infrared lens shown in FIG. 2B, FIG. 2: in front of the display device 204 by integration of a convex lens 206, pinhole imaging using the principle of infrared signal amplified by the convex lens 206 in the infrared (XD204 position on the changes in the transmittance, the imaging lens can be moved in the infrared (XD204 achieve the same function control channel, etc., in order to achieve better infrared signal received, into a surface of the CCD, the length becomes small correspondingly.

[0023] 图3是根据本发明的实施例的红外控制装置的原理框图。 [0023] FIG. 3 is a schematic block diagram of a control apparatus according to the embodiment of an infrared embodiment of the present invention. 如图3所示,红外控制装置,包括:红外接收模块302,用于接收来自遥控器(未示出)发送的投射于该红外接收模块302上的不同投射位置的红外线信号并产生位置信号;处理模块304,用于基于来自红外接收模块302的位置信号产生方向信号;以及控制模块306,用于基于来自处理模块304的方向信号产生相应的控制信号并输出控制信号。 3, the infrared control apparatus, comprising: an infrared receiving module 302, configured to receive from a remote controller (not shown) projected on the infrared transmitted infrared signal receiving module positions on the different projection 302 and generates a position signal; the processing module 304 for generating direction based on the position signal from the infrared signal receiving module 302; and a control module 306, for generating a corresponding control signal based on the direction signal from the processing module 304 and outputs a control signal.

[0024] 其中,红外接收模块302进一步产生与位置信号相应的时间参数。 [0024] wherein the infrared receiving module 302 further generates the position signal corresponding to a time parameter.

[0025] 其中,处理模块306进一步包括:加速度监测单元(未示出),用于对红外线信号投射于红外接收模块302上的不同接收位置和投射时间进行监测,获得红外线信号在红外接收模块302上投射的移动速度,并将移动速度与预设参数进行比较,在移动速度超过预设参数时产生加速控制信号。 [0025] The processing module 306 further comprises: an acceleration monitoring unit (not shown), for projecting an infrared signal is monitored at various time receiving position and projected infrared receiver module 302, to obtain an infrared signal receiving module 302 in the infrared projected on the moving speed and the moving speed is compared with the preset parameters, the acceleration control signal is generated when the moving speed exceeds the preset parameters.

[0026] 其中,不同的红外信号之间可以是连续的,或者也可以是间断的。 [0026] wherein, among the infrared signals may be continuous or may be intermittent. 当按下遥控器上的某一功能键,并在按下按键的同时使遥控器的发射端划过一条直线或曲线轨迹时,红外接收模块接收到的是连续的红外信号。 When a function key is pressed on the remote control, and so while the button is pressed the remote control transmitter across a straight or curved path, the infrared receiving module receives an infrared signal is continuous. 当按下遥控器上的某个功能键,并在预定时间阈值(在处理模块中预先设定该时间阈值)内再次按下该功能键时,红外接收模块接收到的是间断的红外信号。 When a function key is pressed on the remote control, and a predetermined time threshold value (the time threshold is set in advance in the processing module) of the function key is pressed again, the infrared receiver module to receive an infrared signal is intermittent.

[0027] 其中,该装置进一步包括,凸透镜(未示出),置于所述红外接收模块302前端,用于放大至少两个红外线信号在红外接收模块302上的投射位置的变化。 [0027] wherein the apparatus further comprises, two changes in the infrared signal receiving module 302 of the infrared projection position of the convex lens (not shown), the infrared receiver module is placed in the front end 302, for amplifying at least. .

[0028] 其中,红外接收模块302是红外感光接收CXD器件。 [0028] wherein the infrared receiving module 302 receives an infrared sensitive device CXD.

[0029] 如图3所示,虚线框中为现有显示设备的红外线接收原理框图,从遥控器发送的控制指令经过接收,放大,解调后送入MCU进行处理。 [0029] 3, a functional block diagram of the dashed box to receive the infrared conventional display apparatus, a control command transmitted from the remote control is received, amplified, demodulated into the MCU for processing. 而红外CXD接收器302接收到红外线信号并产生相应的位置信号,并将位置信号输出至处理模块304,例如:当遥控器从左向右移动时,处理模块304不停的接收到关于遥控器的位置数据,从而比较图像(位置)的变化方向,判断出图像也是从左向右移动后,把处理出的方向信号送入控制单元306进行处理,控制单元306基于方向信号产生相应的控制信号并将控制信号输出至MCU进行处理。 CXD and the infrared receiver 302 receives the infrared signal and producing a corresponding position signal, and outputs a position signal to the processing module 304, for example: when the remote control to move from left to right, the processing module 304 to stop receiving on the remote control location data, to compare the image (position) in the direction of change, it is determined that the image is from left to right, in the direction of the process signal into a control unit 306 for processing, the control unit generates a corresponding control signal based on the direction signal 306 and outputs a control signal to the MCU for processing. 在上图中通过软件处理不同时间图像的变化,还可以实现加速度监测的功能,因此可以检测出用户操作遥控器摆动的速度,进行对应功能的快速切换,如快速变大声音等。 In the above image processing by the image Alterations in software, functions may also be implemented to monitor acceleration, and therefore can detect the user operates the remote control swing speed, quickly switch corresponding functions, such as sound or the like quickly becomes large.

[0030] 图4是根据本发明的实施例的红外控制装置的流程图。 [0030] FIG. 4 is a flowchart of the embodiment of an infrared embodiment of the present invention. 用于显示系统的红外控制方法,包括: Infrared control method for a display system, comprising:

[0031] 步骤S402,接收来自遥控器发送的投射于红外接收模块上的不同投射位置的至少两个红外线信号,产生与至少两个红外线信号相应的至少两个位置信号; [0031] step S402, the projector from the remote controller receives the transmitted infrared signal to at least two different projection position on the infrared receiving module generates an infrared signal corresponding to the at least two positions of the at least two signals;

[0032] 步骤S404,比较步骤,用于对至少两个位置信号进行比较,并基于比较的结果产生方向信号; [0032] step S404, the comparing step of comparing the at least two position signals, and generating a direction signal based on a result of comparison;

[0033] 步骤S406,加速度监测步骤,对至少两个红外线信号投射于红外接收模块上的不同接收位置和投射时间进行监测,获得红外线信号在红外接收模块上的移动速度,并将移动速度与预设参数进行比较,在移动速度超过预设参数时产生加速控制信号; [0033] step S406, acceleration monitoring step, at least two projecting an infrared signal is monitored at different time receiving position and projected infrared receiver module, the moving speed of the infrared signal is obtained on the infrared receiver module and the moving speed of the pre comparing the parameter set, to generate a control signal when the acceleration speed exceeds a predetermined movement parameter;

[0034] 步骤S408,基于方向信号产生相应的控制信号,并输出控制信号。 [0034] step S408, generates a corresponding control signal based on the direction signal, and outputs a control signal.

[0035] 如图4所示,当MCU接收到红外线信号后,进行解码,以判断出当前要进行的操作,同时查询当前的操作是否需要进行红外线方向判断,如果不需要,这直接发送控制信号,如果需要,这等待相应的处理模块的处理结果。 [0035] As shown in FIG. 4, after the MCU receives the infrared signal, decode, is determined to be currently performed by the operation, while the query whether the current operation requires an infrared direction determination, if not, sends a control signal which directly , if necessary, wait for this corresponding processing result of the processing module. 同时,处理模块接收到红外线的成像后,进行简单的存储和记录,同时不断比较收到的图像(即,相应的位置信号)的差别,如果判断出开始图像和接收到的图像具有明显的差异后,把比较结果送交MCU进行处理,MCU经过判断分析后最终完成解析并发送控制信号,完成一次操作。 Meanwhile, the processing module after receiving the infrared imaging, recording and storing simple, while constantly compares the received difference image (i.e., a position corresponding signal), if it is determined to start image and the image receiving a clear difference after comparing the results to the MCU for processing, after the MCU has been parsed, and determines the final analysis sends a control signal to complete one operation. 当然,如果需要监测运动加速度,可以分析处理收到的图像变化快慢及时间进行简单的判断,根据预先设置好的参数,使MCU判断出需要进行这样的操作几次,进而实现快速换台或者快速调节音量等功能。 Of course, if the need to monitor the motion acceleration, speed variations may analyze the image processing time and the received simple determination, according to pre-set parameters to the MCU determines the need for such an operation several times, thus achieving fast zapping or adjust the volume and other functions.

[0036] 以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。 [0036] The above description is only preferred embodiments of the present invention, it is not intended to limit the invention to those skilled in the art, the present invention may have various changes and variations. 凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。 Any modification within the spirit and principle of the present invention, made, equivalent substitutions, improvements, etc., should be included within the scope of the present invention.

Claims (6)

1. 一种红外控制装置,其特征在于,包括: 红外接收模块,用于接收第一红外信号和第二红外信号,相应产生第一位置信号和第二位置信号; 处理模块,用于根据所述第一位置信号和所述第二位置信号,产生方向信号,所述处理模块包括加速度监测单元,所述加速度监测单元用于对红外信号投射于所述红外接收模块上的不同接收位置和投射时间进行监测,获得红外信号在所述红外接收模块上投射的移动速度,并将所述移动速度与预设参数进行比较,在所述移动速度超过所述预设参数时产生加速控制信号;以及控制模块,用于根据所述方向信号产生相应的控制信号,所述控制信号用于对设备状态的控制。 An infrared control device comprising: an infrared receiving module for receiving the first signal and the second infrared infrared signal, generates a first position corresponding to the position signal and a second signal; processing module, according to the said first position signal and the second position signal, generating a direction signal, said processing module includes an acceleration monitoring unit, a receiving position and a different acceleration projected on the infrared receiving module is a unit for monitoring the infrared signal projected time monitoring, to obtain the moving speed of the infrared signal projected on the infrared receiver module and the moving speed of the predetermined parameters are compared to produce a control signal when the acceleration speed exceeds said predetermined movement parameter; and a control module, for generating a corresponding control signal according to the direction signal, a control signal for controlling the state of the device.
2.根据权利要求I所述的红外控制装置,其特征在于, 所述红外接收模块,还用于产生与所述第一位置信号相应的第一时间参数,以及与所述第二红外信号相应的第二时间参数; 加速度监测单元,用于根据所述第一时间参数和所述第一位置信号,以及所述第二时间参数和所述第二位置信号,产生所述加速控制信号。 The infrared control apparatus according to claim I, wherein said infrared receiving module is further configured to generate a corresponding signal to said first position a first time parameter, and a second infrared signal corresponding to the second time parameter; acceleration monitoring unit, for the first time according to the position signal and the first parameter, and the second time parameter and the second position signal, the acceleration control signal is generated.
3.根据权利要求I所述的红外控制装置,其特征在于,所述第一位置信号和所述第二位置信号是连续的,或是间断的。 The infrared-ray I control apparatus according to claim, characterized in that said first position signal and the second position signal is continuous, or intermittent.
4. 一种红外控制方法,其特征在于,包括步骤: 接收第一红外信号,产生第一位置信号; 接收第二红外信号,产生第二位置信号; 根据所述第一位置信号和所述第二位置信号,产生方向信号; 对红外信号投射于红外接收模块上的不同接收位置和投射时间进行监测,获得红外信号在所述红外接收模块上投射的移动速度,并将所述移动速度与预设参数进行比较,在所述移动速度超过所述预设参数时产生加速控制信号; 根据所述方向信号产生相应的控制信号,所述控制信号用于对设备状态的控制。 4. An infrared control method comprising the steps of: receiving a first infrared signal, generating a first position signal; receiving a second infrared signal, generates a second position signal; and said second signal based on said first position two position signals, direction signal is generated; monitor infrared signal projection and the projection receiving position at different times on the infrared receiving module to obtain the moving speed of the infrared signal projected on the infrared receiver module and the moving speed of the pre comparing the parameter set generating acceleration control signal when the moving speed exceeds the preset parameter; generating a corresponding control signal according to the direction signal, the control signal for the device status.
5.根据权利要求4所述的方法,其特征在于, 所述接收第一红外信号还包括,产生与所述第一位置信号相应的第一时间参数;所述接收第二红外信号还包括,产生与所述第二红外信号相应的第二时间参数; 依据所述第一时间参数和所述第一位置信号,以及所述第二时间参数和所述第二位置信号,产生所述加速控制信号。 5. The method as claimed in claim 4, wherein the receiving further comprises the first infrared signal, generating a first time parameter corresponding to the first position signal; a second infrared signal receiving further comprises, generating the second infrared signal corresponding to a second time parameter; a first time according to the position signal and the first parameter, and the second time parameter and the second position signal, said generating acceleration control signal.
6.根据权利要求4所述的方法,其特征在于,所述第一位置信号和所述第二位置信号是连续的,或是间断的。 6. The method according to claim 4, wherein said first position signal and the second position signal is continuous, or intermittent.
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