WO2019227783A1 - 红外发射角调节结构、红外发射模块及遥控装置 - Google Patents

红外发射角调节结构、红外发射模块及遥控装置 Download PDF

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Publication number
WO2019227783A1
WO2019227783A1 PCT/CN2018/106488 CN2018106488W WO2019227783A1 WO 2019227783 A1 WO2019227783 A1 WO 2019227783A1 CN 2018106488 W CN2018106488 W CN 2018106488W WO 2019227783 A1 WO2019227783 A1 WO 2019227783A1
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WIPO (PCT)
Prior art keywords
infrared
filter
connecting member
emission angle
angle adjustment
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PCT/CN2018/106488
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English (en)
French (fr)
Inventor
刘芳
Original Assignee
深圳市大疆创新科技有限公司
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Application filed by 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to CN201880017755.9A priority Critical patent/CN110896663B/zh
Publication of WO2019227783A1 publication Critical patent/WO2019227783A1/zh

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters

Definitions

  • the embodiments of the present invention belong to the field of remote control technology, and particularly to an infrared emission angle adjustment structure, an infrared emission module and a remote control device using the infrared emission angle adjustment structure.
  • infrared remote control is a commonly used remote control method.
  • the remote control device and the controlled device are implemented by an infrared transmitting module installed at the remote control device end and an infrared receiving module installed in the controllable device Communication for remote control.
  • the infrared light source used by the existing infrared transmitting modules is generally infrared LEDs. At present, the minimum divergence half-angle of infrared LEDs on the market can only be 15 °. As shown in Figure 1, when remote control is performed at a long distance, the infrared transmitting module emits The range that infrared can cover is very large, often when the infrared transmitting module (infrared LED) of the remote control device is not aimed at the infrared receiving module of the controlled device, the infrared receiving module can also receive infrared signals.
  • an embodiment of the present invention provides an infrared emission angle adjustment structure for solving the problem that an infrared emission half angle emitted by an existing infrared emission module is excessively large and easily causes misoperation in a scenario requiring alignment control.
  • embodiments of the present invention also provide an infrared transmitting module and a remote control device using the infrared transmitting angle adjustment structure.
  • the infrared emission angle adjustment structure provided by the embodiment of the present invention includes a connecting member and an emission angle adjustment member;
  • the connecting member is a hollow cylindrical structure, and the emission angle adjusting member is provided at one end of the connecting member along the axis of the connecting member;
  • the other end of the connecting member along the axis is provided with a connecting portion for connecting an infrared light source, and infrared light emitted by the infrared light source passes through an inner cavity of the connecting member and is emitted after being adjusted by the emission angle adjusting member.
  • an inner wall of the connecting member is provided with a light absorbing portion, and the light absorbing portion is configured to absorb scattered infrared light.
  • the light absorbing portion is a screw structure provided on the inner wall.
  • a filter is further included, and one end of the filter is coaxially connected with the connecting member;
  • the other end of the filter is provided with a filter, and the infrared light adjusted by the emission angle adjusting member is further filtered by the filter to be emitted to the outside.
  • the filter portion is a hole-type structure coaxial with the connecting member.
  • the filter element and the connecting element are connected in a plug-in manner, the connecting element is provided with an axial connection slot, and the filter element corresponds to A plug-in portion is provided, and the plug-in portion is embedded in the connection slot;
  • the filter and the connecting member are connected in a socket or screw connection manner.
  • the infrared emission angle adjustment structure further includes a blocking member connected to the filter, and the blocking member is arranged in cooperation with the filter.
  • the infrared emission angle adjusting structure further includes a shielding member connected to the connecting member, and the shielding member is provided in cooperation with the emission angle adjusting member.
  • the infrared transmitting module provided by the embodiment of the present invention includes an infrared light source and the above-mentioned infrared emission angle adjustment structure, and the infrared light source is provided in cooperation with the connecting member;
  • the infrared light source includes a circuit substrate and a light-emitting element electrically connected to the circuit substrate, and the light-emitting element is located in an inner cavity of the connection element.
  • a limiting portion is provided in the inner cavity of the connecting member near the connecting portion, and the light-emitting member is partially provided in the limiting portion so that the The light-emitting member is coaxial with the connecting member.
  • the remote control device provided by the embodiment of the present invention includes a casing, a control module disposed in the casing, and the infrared transmitting module, and the control module is electrically connected to the infrared transmitting module.
  • the infrared emission angle adjustment structure provided by the embodiment of the present invention, after the scattered infrared light emitted by the infrared light source is initially shaped in the inner cavity of the connector, the divergence angle of the infrared light is reduced through the emission angle adjustment member, and a smaller divergence angle can be obtained. Infrared light, so that the infrared emission module or remote control device using the infrared emission angle adjustment structure can emit substantially collimated infrared light. In the collimation control scene, directional remote control of the controlled device can be avoided to avoid the infrared light emission angle being too large. Causes misoperation.
  • FIG. 1 is a schematic diagram of an infrared light emission angle of an existing infrared LED according to an embodiment of the present invention
  • FIG 2 is an overall structural diagram of an infrared emission angle adjustment structure according to an embodiment of the present invention.
  • FIG. 3 is an exploded view of an infrared emission angle adjustment structure according to an embodiment of the present invention.
  • FIG. 4 is a cross-sectional view of an infrared emission angle adjustment structure according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of a connecting member according to an embodiment of the present invention.
  • FIG. 6 is an enlarged schematic view of A in FIG. 4;
  • FIG. 7 is an enlarged schematic view of B in FIG. 4;
  • FIG. 8 is a partial schematic diagram of an infrared transmitting module according to an embodiment of the present invention.
  • an embodiment herein means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the embodiment of the invention.
  • the appearances of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they independent or alternative embodiments that are mutually exclusive with other embodiments. It is clearly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
  • An embodiment of the present invention provides an infrared emission angle adjustment structure, which includes a connection member and an emission angle adjustment member;
  • the connecting member is a hollow cylindrical structure, and the emission angle adjusting member is disposed at one end of the connecting member along the axis of the connecting member;
  • the other end of the connecting member along the axis is provided with a connecting portion for connecting an infrared light source, and infrared light emitted by the infrared light source passes through an inner cavity of the connecting member and is emitted after being adjusted by the emission angle adjusting member.
  • an embodiment of the present invention further provides an infrared emission module, which includes an infrared light source and the above-mentioned infrared emission angle adjustment structure, and the infrared light source is arranged in cooperation with the connecting member;
  • the infrared light source includes a circuit substrate and a light-emitting element electrically connected to the circuit substrate, and the light-emitting element is located in an inner cavity of the connection element.
  • an embodiment of the present invention further provides a remote control device, which includes a casing, a control module disposed in the casing, and the above-mentioned infrared transmitting module.
  • the control module and the infrared transmitting module are electrically connected. Sexual connection.
  • the infrared emission angle adjustment structure provided by the embodiment of the present invention, after the scattered infrared light emitted by the infrared light source is initially shaped in the inner cavity of the connector, the divergence angle of the infrared light is reduced through the emission angle adjustment member, and a smaller divergence angle can be obtained. Infrared light, so that the infrared emission module or remote control device using the infrared emission angle adjustment structure can emit substantially collimated infrared light. In the collimation control scene, directional remote control of the controlled device can be avoided to avoid the infrared light emission angle being too large. Causes misoperation.
  • An embodiment of the present invention provides an infrared emission angle adjustment structure, which is suitable for a remote control device requiring collimated communication.
  • the infrared emission angle adjustment structure includes a connection member 10 and an emission angle adjustment member 20; the connection member 10 is a hollow cylindrical structure, and the emission angle adjustment member 20 is disposed on the connection along the axis of the connection member 10 One end of the connecting member 10; the other end of the connecting member 10 along the axis is provided with a connecting portion 11 for connecting an external infrared light source, and infrared light emitted by the infrared light source passes through the inner cavity 12 of the connecting member 10 and passes through The emission angle adjusting member 20 emits the light after being adjusted.
  • the connecting member 10 is configured with a plurality of functional sections from the end connected to the infrared light source to the end connected to the emission angle adjusting member 20.
  • the area where the connecting portion 11 is located corresponds to the first functional cavity 12a, and is used for accommodating an external infrared light source, that is, the external infrared light source is connected to the connecting member 10 and placed in the first
  • the first functional cavity 12a may further include a circuit accommodation portion (not shown in the figure), a light-emitting portion accommodation portion (not shown in the figure), and a limiting portion (in the figure) (Not marked)
  • the circuit accommodating part is used for accommodating the circuit board of the external infrared light source
  • the light-emitting part accommodating part is used for accommodating the light-emitting part protruding from the circuit substrate
  • the limiting part is used for fixing the light emission Front of the piece.
  • the inner wall of the circuit accommodating portion may further be provided with a fixing bar for cooperating with a notch on the circuit substrate to fix the circuit substrate; the limiting portion may be a protrusion extending from the inner wall into the cavity.
  • Ring 12A, the diameter of the convex ring 12A can be smaller than the diameter of the light-emitting element, the front end of the light-emitting element is fitted into the convex ring 12A, and the infrared light beam with a larger diameter can be relatively converted into a diameter while fixing the light-emitting element The small infrared beam is conducive to subsequent focusing of infrared light.
  • a second functional cavity 2b is further disposed adjacent to the first functional cavity, and the second functional cavity 12b is used to absorb a scattered portion of the infrared beam.
  • the connection The element 10 is provided with a light absorption portion 13 on an inner wall corresponding to the second functional cavity 12b, and the light absorption portion 13 is configured to absorb scattered infrared light.
  • the light absorbing portion 13 may be a material that can absorb and scatter infrared light coated on the inner wall, or a physical structure that can absorb and scatter infrared light provided inside.
  • the light absorbing portion 13 For the threaded structure provided on the inner wall, the chaotic infrared light is absorbed by the threaded structure to prevent a large receiving angle from appearing in the area adjacent to the infrared transmitting port, which affects the effect of collimating remote control.
  • the chaotic infrared light is absorbed by the threaded structure to prevent a large receiving angle from appearing in the area adjacent to the infrared transmitting port, which affects the effect of collimating remote control.
  • other physical structures capable of absorbing scattered infrared light may also be provided, which will not be described here.
  • a third functional cavity 12c is further disposed adjacent to the second functional cavity 12b, and the third functional cavity 12c can be used to install the launch angle adjusting member 20, and the launch angle
  • the adjusting member 20 can be completely contained in the third functional cavity 12c, and the emission angle adjusting member 20 can be fixed by means of a limit step or the like.
  • the transmitting angle adjusting member 20 can also be partially disposed in the third Inside the functional cavity 12c.
  • the emission angle adjusting member 20 may be a plano-convex lens.
  • the divergence half-angle of the infrared beam can be controlled at about 2 °, and the infrared beam Collimated launch.
  • the infrared emission angle adjustment structure further includes a filter 30, in conjunction with FIG. 4 and FIG. 6, in this embodiment, one end of the filter 30 is coaxially connected with the connecting member 10, and A filter portion 31 is provided at the other end of the filter 30, and the infrared light adjusted by the emission angle adjusting member 20 is further filtered by the filter 31 and emitted.
  • the infrared light source can be a point light source, or a surface light source like an infrared LED (light emitting diode) light emitting chip.
  • the filter 31 may Filter out these lights.
  • the filter portion 31 is a hole-type structure coaxial with the connecting member 10, and a hole diameter of the hole-type structure is smaller than a maximum diameter of the inner cavity 12.
  • the optical filter 30 and the connecting member 10 are connected in a plug-in manner.
  • the connecting member 10 is provided with an axial connection slot 14.
  • the light piece 30 is correspondingly provided with a plug-in portion 32, the plug-in portion 32 is embedded in the connection slot 14, and the filter piece 30 cooperates with the connection piece 10 to fix the emission angle adjusting piece 20; of course
  • the connection slot 14 and the plug-in portion 32 can also be interchanged, or the connection member 10 and the filter 30 are both provided with the connection slot 14 and the plug-in portion 32.
  • the optical filter 30 and the connecting member 10 are connected by a socket or a screw connection.
  • the filter 30 may also be integrally disposed in the inner cavity 12 of the connecting member 10, for example, immediately adjacent to the third functional cavity 12c, and the inner cavity 12 further includes a fourth functional cavity (Not shown in the figure), the filter 30 is accommodated in the fourth functional cavity, and the emission angle adjusting member 20 and the filter 30 are sequentially disposed in the inner cavity 12.
  • the emission angle adjusting member 20 is located in the inner cavity 12 of the filter 30, and the filter 30 is further connected to the connecting member 10.
  • the infrared emission angle adjustment structure further includes a shielding member 40 connected to the filter 30, which can be used to protect the emission angle adjustment member 20.
  • the shielding member 40 is provided in cooperation with the filter 31, such as As shown in FIG. 7, the shielding member 40 and the filter 30 may also be connected by a snap connection, and specifically connected through the locking portion 41 on the shielding member 40 and the locking slot 33 on the filter 30; In other embodiments, the shielding member 40 and the filter member 30 may also be connected in a sleeve or screw connection manner, which will not be described further here.
  • the infrared emission angle adjustment structure may include a blocking member 40 without a filter 30. At this time, the blocking member 40 may be provided in cooperation with the emission angle adjusting member 20.
  • the shielding member 40 has a transparent structure in a portion opposite to the filter portion 31.
  • the scattered infrared light emitted by the infrared light source is initially shaped in the inner cavity 12 of the connector 10 and then the emission angle adjustment member 20 is used to reduce the divergence angle of the infrared light to obtain the divergence angle.
  • the small infrared light enables the infrared emission module or remote control device using the infrared emission angle adjustment structure to emit substantially collimated infrared light.
  • the controlled device can be remotely controlled to avoid being emitted by infrared light. Too large an angle causes misoperations to improve the user experience.
  • An embodiment of the present invention also provides an infrared emitting module.
  • the infrared emitting module includes an infrared light source 100 and the infrared emission angle adjustment structure 200 described above, and the infrared light source 100 and the infrared emission angle adjustment structure.
  • the connecting member 10 of 200 is provided in cooperation.
  • the specific structure of the infrared emission angle adjustment structure 200 in this embodiment reference may be made to related technical content in the foregoing embodiment, and no further description is provided here.
  • the infrared light source includes a circuit substrate 110 and a light emitting element 120 electrically connected to the circuit substrate.
  • the light emitting element is located in the inner cavity 12 of the connection element 10.
  • the inner cavity 12 may include a circuit accommodating portion, a light-emitting accommodating portion, and a limiting portion; the circuit accommodating portion is configured to receive a circuit substrate of an external infrared light source; the light-emitting component
  • the accommodating part is used for accommodating the light-emitting part protruding from the circuit substrate; the position in the inner cavity 12 of the connecting part 10 of the limiting part close to the connecting part 11 is used for fixing the light-emitting part.
  • the light-emitting member is partially disposed in the limiting portion, so that the light-emitting member is coaxial with the connecting member 10.
  • the inner wall of the circuit accommodating portion may further be provided with a fixing bar for cooperating with a notch on the circuit substrate to fix the circuit substrate; the limiting portion may be a protrusion extending from the inner wall into the cavity.
  • the diameter of the convex ring 12A can be smaller than the diameter of the light-emitting element, the front end of the light-emitting element is fitted into the convex ring 12A, and the infrared light beam with a larger diameter can be relatively converted into a diameter while fixing the light-emitting element
  • the small infrared beam is conducive to subsequent focusing of infrared light.
  • the light emitting element is an infrared light emitting diode.
  • the scattered infrared light emitted by the infrared light source is initially shaped in the inner cavity 12 of the connecting member 10 and then the infrared light is reduced through the emission angle adjusting member 20.
  • Infrared light with a smaller divergence angle can be obtained, so that the remote control device using the infrared emission angle adjustment structure can emit substantially collimated infrared light.
  • directional remote control of the controlled device can be avoided to avoid The infrared light emitting angle is too large, resulting in misoperation.
  • An embodiment of the present invention further provides a remote control device, which includes a casing, a control module disposed in the casing, and the infrared transmitting module, and the control module is electrically connected to the infrared transmitting module.
  • the scattered infrared light emitted by the infrared light source is initially shaped in the inner cavity 12 of the connecting member 10 and then the emission angle adjusting member 20 is used to reduce the divergent angle of the infrared light.
  • the remote control device can emit basically collimated infrared light, and can control remote control of the controlled device in the collimation control scene to avoid misoperation due to the large infrared light emission angle. produce.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
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Abstract

本申请涉及一种红外发射角调节结构和采用该红外发射角调节结构的红外发射模块及遥控装置，其中红外发射模块包括连接件(10)和发射角调节件(20)；连接件(10)为中空的筒状结构，发射角调节件(20)沿连接件(10)的轴线设置在连接件(10)的一端；连接件(10)沿轴线的另一端设置有用于连接红外光源的连接部(11)，红外光源发出的红外光穿过连接件(10)的内腔(12)、并经发射角调节件(20)调节后对外发射。根据本发明实施例提供的方案，可以获得发散角较小的红外光，使得采用该红外发射角调节结构的红外发射模块能够发射基本准直的红外光，在准直控制场景中可以对被控设备进行定向遥控，避免因红外光发射角过大导致误操作的产生。

Description

红外发射角调节结构、红外发射模块及遥控装置 技术领域
本发明实施例属于遥控技术领域，尤其涉及一种红外发射角调节结构和采用该红外发射角调节结构的红外发射模块及遥控装置。
背景技术
在一些可遥控的设备中，比如电视机、空调等，红外遥控是常用的遥控方式，遥控装置与被控设备通过安装在遥控装置端的红外发射模块以及安装在可控设备中的红外接收模块进行通信，以实现遥控的功能。
现有的红外发射模块采用的红外光源一般为红外LED，目前市面上的红外LED的发散半角最小只能做到15°，如图1所示，在远距离进行遥控时，红外发射模块发射的红外线能够覆盖的范围将很大，常常出现遥控装置的红外发射模块(红外LED)并未瞄准被控设备的红外接收模块时，红外接收模块也能接收到红外信号，对于一些需要准直控制的场景来说(即需要红外接收模块与红外发射模块几乎准直时才能接收到红外信号)，红外发射模块发射的红外光的覆盖范围如果过大，将很容易引发误操作，给用户带来不好的体验。
发明内容
为了解决上述问题，本发明实施例提供一种红外发射角调节结构，用于解决现有红外发射模块发射的红外线的发射半角过大，在需要准直控制的场景中容易引发误操作的问题。此外，本发明实施例还提供了采用该红外发射角调节结构的红外发射模块及遥控装置。
本发明实施例采用了如下的技术方案。
一方面，本发明实施例提供的红外发射角调节结构包括连接件和发射角调节件；
所述连接件为中空的筒状结构，所述发射角调节件沿所述连接件的轴线设置在所述连接件的一端；
所述连接件沿所述轴线的另一端设置有用于连接红外光源的连接部，红外光源发出的红外光穿过所述连接件的内腔、并经所述发射角调节件调节后对外发射。
作为本发明实施例一种可实施的方案，所述连接件的内壁设置有光吸收部，所述光吸收部用于吸收散射红外光。
作为本发明实施例一种可实施的方案，所述光吸收部为设置在所述内壁的螺纹结构。
作为本发明实施例一种可实施的方案，还包括滤光件，所述滤光件的一端与所述连接件共轴连接；
所述滤光件的另一端设置有滤光部，经所述发射角调节件调节后的红外光进一步经过所述滤光部滤光后对外发射。
作为本发明实施例一种可实施的方案，所述滤光部为与所述连接件共轴的孔型结构。
作为本发明实施例一种可实施的方案，所述滤光件与所述连接件采用插接的方式连接，所述连接件上设置有轴向的连接插槽，所述滤光件上对应设置有插接部，所述插接部嵌入所述连接插槽中；或者
所述滤光件与所述连接件采用套接或者旋接的方式连接。
作为本发明实施例一种可实施的方案，所述红外发射角调节结构还包括与所述滤光件连接的遮挡件，所述遮挡件与所述滤光部配合设置。
作为本发明实施例一种可实施的方案，所述红外发射角调节结构还包括与所述连接件连接的遮挡件，所述遮挡件与所述发射角调节件配合设置。
另一方面，本发明实施例提供的红外发射模块包括红外光源与上述的红外发射角调节结构，所述红外光源与所述连接件配合设置；
其中，所述红外光源包括电路基板和与所述电路基板电性连接的发光件，所述发光件位于所述连接件的内腔中。
作为本发明实施例一种可实施的方案，所述连接件内腔中靠近所述连接部的位置设有限位部，所述发光件部分地设置于所述限位部中，以使所述发光件与所述连接件共轴。
另一方面，本发明实施例提供的遥控装置包括壳体和设置在所述壳体 中的控制模块与上述的红外发射模块，所述控制模块与所述红外发射模块电性连接。
根据本发明实施例提供的红外发射角调节结构，红外光源发出的散射红外光在连接件内腔中初步整形后再经由发射角调节件来缩小红外光的发散角，可以获得发散角较小的红外光，使得采用该红外发射角调节结构的红外发射模块或者遥控装置能够发射基本准直的红外光，在准直控制场景中可以对被控设备进行定向遥控，避免因红外光发射角过大导致误操作的产生。
附图说明
为了更清楚地说明本发明实施例或现有技术中的方案，下面将对实施例或现有技术描述中所需要使用的附图作一个简单介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的现有红外LED的红外光发射角度示意图；
图2为本发明实施例提供的红外发射角调节结构的整体结构图；
图3为本发明实施例提供的红外发射角调节结构的爆炸图；
图4为本发明实施例提供的红外发射角调节结构的剖视图；
图5为本发明实施例提供的连接件的剖视图；
图6为图4中A的放大示意图；
图7为图4中B的放大示意图；
图8为本发明实施例提供的红外发射模块的局部示意图。
附图标记说明：
10              连接件
11              连接部
12              内腔
12a             第一功能腔
12b             第二功能腔
12c             第三功能腔
12A             凸环
13              光吸收部
14              连接插槽
20              发射角调节件
30              滤光件
31              滤光部
32              插接部
33              卡接槽
40              遮挡件
41              卡接部
100             红外光源
110             电路基板
120             发光件
200             红外发射角调节结构
具体实施方式
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明实施例的技术领域的技术人员通常理解的含义相同；本文中在本发明实施例的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明实施例；本发明实施例的说明书和权利要求书及上述附图说明中的术语“包括”和“具有”以及它们的任何变形，意图在于覆盖不排他的包含。本发明实施例的说明书和权利要求书或上述附图中的术语“第一”、“第二”等是用于区别不同对象，而不是用于描述特定顺序。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本发明实施例的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
本发明实施例提供一种红外发射角调节结构，其包括连接件和发射角调节件；
所述连接件为中空的筒状结构，所述发射角调节件沿所述连接件的轴线 设置在所述连接件的一端；
所述连接件沿所述轴线的另一端设置有用于连接红外光源的连接部，红外光源发出的红外光穿过所述连接件的内腔、并经所述发射角调节件调节后对外发射。
基于上述红外发射角调节结构，本发明实施例还提供一种红外发射模块，其包括红外光源与上述的红外发射角调节结构，所述红外光源与所述连接件配合设置；
其中，所述红外光源包括电路基板和与所述电路基板电性连接的发光件，所述发光件位于所述连接件的内腔中。
基于上述红外发射模块，本发明实施例还提供一种遥控装置，其包括壳体和设置在所述壳体中的控制模块与上述的红外发射模块，所述控制模块与所述红外发射模块电性连接。
根据本发明实施例提供的红外发射角调节结构，红外光源发出的散射红外光在连接件内腔中初步整形后再经由发射角调节件来缩小红外光的发散角，可以获得发散角较小的红外光，使得采用该红外发射角调节结构的红外发射模块或者遥控装置能够发射基本准直的红外光，在准直控制场景中可以对被控设备进行定向遥控，避免因红外光发射角过大导致误操作的产生。
为了使本技术领域的人员更好地理解本发明实施例方案，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述。
本发明实施例提供一种红外发射角调节结构，适用于需要准直通信的遥控设备。参阅图2至图4所示的红外发射角调节结构的整体结构图、爆炸图和剖视图。
所述红外发射角调节结构包括连接件10和发射角调节件20；所述连接件10为中空的筒状结构，所述发射角调节件20沿所述连接件10的轴线设置在所述连接件10的一端；所述连接件10沿所述轴线的另一端设置有用于连接外部的红外光源的连接部11，红外光源发出的红外光穿过所述连接件10的内腔12、并经所述发射角调节件20调节后对外发射。
在本实施例中，如图5所示，所述连接件10从连接红外光源的一端到连接所述发射角调节件20的一端，其内腔12被配置成多个功能区段。
在一些实施例中，所述连接部11所在的区域对应第一功能腔12a，用于容置外部的红外光源，即外部的红外光源与所述连接件10连接后将容置于所述第一功能腔12a中在可选实施例中，第一功能腔12a可以进一步地包括电路容置部(图中未标识)、发光件容置部(图中未标识)及限位部(图中未标识)，电路容置部用于容纳外部的红外光源的电路基板，发光件容置部用于容置凸出于所述电路基板的发光件，所述限位部用于固定所述发光件的前端。可选的，所述电路容置部的内壁还可设置固定条，用于与电路基板上的槽口配合，以固定电路基板；所述限位部可以是由内壁向腔内延伸出的凸环12A，该凸环12A的直径可小于发光件的直径，使发光件的前端嵌合于凸环12A中，在固定发光件的同时，还可将直径较大的红外光束相对地变换为直径较小的红外光束，有利于后续对红外光的聚焦。
进一步的，在所述内腔12中，紧邻所述第一功能腔还配置有第二功能腔2b，所述第二功能腔12b用于吸收红外光束中散射的部分，具体的，所述连接件10在所述第二功能腔12b对应的内壁上设置有光吸收部13，所述光吸收部13用于吸收散射红外光。所述光吸收部13可以是涂覆于内壁的可吸收散射红外光的材料，也可以是在内部设置的可吸收散射红外光的物理结构，比如在本实施例中，所述光吸收部13为设置在所述内壁的螺纹结构，通过螺纹结构吸收将杂乱的红外光线，防止与红外发射口相邻的区域出现大的接收角度，影响准直遥控效果。当然也可设置其他能够吸收散射红外光的物理结构，在此不再展开说明。
进一步的，在所述内腔12中，紧邻所述第二功能腔12b还配置有第三功能腔12c，所述第三功能腔12c可用于安装所述发射角调节件20，所述发射角调节件20可全部容纳于所述第三功能腔12c内，并通过限位台阶等方式固定所述发射角调节件20，当然所述发射角调节件20也可部分地设置于所述第三功能腔12c内。可选的，所述发射角调节件20可以是平凸透镜。
在本发明实施例中，当将红外光源的发光件与发射角调节件20的距离配置在11～13mm之间时，可将红外光束的发散半角控制在2°左右，可有效保证红外光束的准直发射。
进一步地，所述红外发射角调节结构还包括滤光件30，结合图4和图6， 在本实施例中，所述滤光件30的一端与所述连接件10共轴连接，所述滤光件30的另一端设置有滤光部31，经所述发射角调节件20调节后的红外光进一步经过所述滤光部31滤光后对外发射。在实际设备中，红外光源可以是点光源，也可以是像红外LED(发光二极管)的发光晶片一样的面光源，对于面光源，红外光束在经过发射角调节件20聚光之后，红外光束只有大约80％的部分被聚集在的聚焦后既定的发散角范围以内，其余的20％未损失的部分会形成杂乱的光线溢出，这些光线会影响近距离的接收角度范围，而滤光部31可将这些光线过滤掉。可选的，在本实施例中，所述滤光部31为与所述连接件10共轴的孔型结构，该孔型结构的孔径小于所述内腔12的最大直径。
在一些实施例中，所述滤光件30与所述连接件10采用插接的方式连接，如图6所示，所述连接件10上设置有轴向的连接插槽14，所述滤光件30上对应设置有插接部32，所述插接部32嵌入所述连接插槽14中，所述滤光件30与所述连接件10配合固定所述发射角调节件20；当然连接插槽14和插接部32也可以互换位置，或者连接件10和滤光件30上均设置有连接插槽14和插接部32。
在另一些实施例中，所述滤光件30与所述连接件10采用套接或者旋接的方式连接。
存在这样的可能性，所述滤光件30也可以是整体设置在所述连接件10的内腔12中，比如紧邻所述第三功能腔12c，所述内腔12还包括第四功能腔(图中未示出)，所述滤光件30容置于所述第四功能腔中，所述发射角调节件20与所述滤光件30在所述内腔12中依次设置。
也存在这样的可能性，所述发射角调节件20位于所述滤光件30的内腔12中，所述滤光件30再与所述连接件10连接。
进一步地，所述红外发射角调节结构还包括与所述滤光件30连接的遮挡件40，可用于保护发射角调节件20，所述遮挡件40与所述滤光部31配合设置，如图7所示，所述遮挡件40与所述滤光件30也可以采用卡接的方式连接，具体通过遮挡件40上的卡接部41和滤光件30上的卡接槽33连接；在其他实施例中，遮挡件40与滤光件30还可采用套接、旋接的方式连接，在此不再展开说明。在一些实施例中，所述红外发射角调节结构可以包括遮挡件40而没有滤光件30，此时所述遮挡件40可与所述发射角调节件20配合 设置。在一些实施例中，所述遮挡件40为与所述滤光部31相对的部分为透明结构。
根据本发明实施例提供的红外发射角调节结构，红外光源发出的散射红外光在连接件10内腔12中初步整形后再经由发射角调节件20来缩小红外光的发散角，可以获得发散角较小的红外光，使得采用该红外发射角调节结构的红外发射模块或者遥控装置能够发射基本准直的红外光，在准直控制场景中可以对被控设备进行定向遥控，避免因红外光发射角过大导致误操作的产生，以提高用户的使用体验。
本发明实施例还提供一种红外发射模块，如图8所示，所述红外发射模块包括红外光源100与上述的红外发射角调节结构200，所述红外光源100与所述红外发射角调节结构200的连接件10配合设置。在本实施例中所述红外发射角调节结构200的具体结构可参阅上述实施例中的相关技术内容，在此不再展开说明。
在本实施例中，所述红外光源包括电路基板110和与所述电路基板电性连接的发光件120，所述发光件位于所述连接件10的内腔12中。在一些实施例中，结合图6，所述内腔12中可包括电路容置部、发光件容置部及限位部；电路容置部用于容纳外部的红外光源的电路基板；发光件容置部用于容置凸出于所述电路基板的发光件；所述限位部所述连接件10内腔12中靠近所述连接部11的位置，用于固定所述发光件，所述发光件部分地设置于所述限位部中，以使所述发光件与所述连接件10共轴。可选的，所述电路容置部的内壁还可设置固定条，用于与电路基板上的槽口配合，以固定电路基板；所述限位部可以是由内壁向腔内延伸出的凸环12A，该凸环12A的直径可小于发光件的直径，使发光件的前端嵌合于凸环12A中，在固定发光件的同时，还可将直径较大的红外光束相对地变换为直径较小的红外光束，有利于后续对红外光的聚焦。在本实施例中，所述发光件为红外发光二极管。
根据本发明实施例提供的红外发射模块，其通过设置红外发射角调节结构，使红外光源发出的散射红外光在连接件10内腔12中初步整形后再经由发射角调节件20来缩小红外光的发散角，可以获得发散角较小的红外光，使得采用该红外发射角调节结构遥控装置能够发射基本准直的红外光，在准直 控制场景中可以对被控设备进行定向遥控，避免因红外光发射角过大导致误操作的产生。
本发明实施例提供还提供一种遥控装置，包括壳体和设置在所述壳体中的控制模块与上述的红外发射模块，所述控制模块与所述红外发射模块电性连接。
根据本发明实施例提供的遥控装置，其采用的红外发射模块中，红外光源发出的散射红外光在连接件10内腔12中初步整形后再经由发射角调节件20来缩小红外光的发散角，可以获得发散角较小的红外光，使得遥控装置能够发射基本准直的红外光，在准直控制场景中可以对被控设备进行定向遥控，避免因红外光发射角过大导致误操作的产生。
显然，以上所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例，附图中给出了本发明的较佳实施例，但并不限制本发明实施例的专利范围。本发明实施例可以以许多不同的形式来实现，相反地，提供这些实施例的目的是使对本发明实施例的公开内容的理解更加透彻全面。尽管参照前述实施例对本发明实施例进行了详细的说明，对于本领域的技术人员来而言，其依然可以对前述各具体实施方式所记载的技术方案进行修改，或者对其中部分技术特征进行等效替换。凡是利用本发明实施例说明书及附图内容所做的等效结构，直接或间接运用在其他相关的技术领域，均同理在本发明实施例专利保护范围之内。

Claims (28)

  1. 一种红外发射角调节结构，其特征在于，包括连接件和发射角调节件；
    所述连接件为中空的筒状结构，所述发射角调节件沿所述连接件的轴线设置在所述连接件的一端；
    所述连接件沿所述轴线的另一端设置有用于连接红外光源的连接部，红外光源发出的红外光穿过所述连接件的内腔、并经所述发射角调节件调节后对外发射。
  2. 根据权利要求1所述的红外发射角调节结构，其特征在于，所述连接件的内壁设置有光吸收部，所述光吸收部用于吸收散射红外光。
  3. 根据权利要求2所述的红外发射角调节结构，其特征在于，所述光吸收部为设置在所述内壁的螺纹结构。
  4. 根据权利要求1至3任一项所述的红外发射角调节结构，其特征在于，还包括滤光件，所述滤光件的一端与所述连接件共轴连接；
    所述滤光件的另一端设置有滤光部，经所述发射角调节件调节后的红外光进一步经过所述滤光部滤光后对外发射。
  5. 根据权利要求4所述的红外发射角调节结构，其特征在于，所述滤光部为与所述连接件共轴的孔型结构。
  6. 根据权利要求4所述的红外发射角调节结构，其特征在于，
    所述滤光件与所述连接件采用插接的方式连接，所述连接件上设置有轴向的连接插槽，所述滤光件上对应设置有插接部，所述插接部嵌入所述连接插槽中；或者
    所述滤光件与所述连接件采用套接或者旋接的方式连接。
  7. 根据权利要求4所述的红外发射角调节结构，其特征在于，所述红外发射角调节结构还包括与所述滤光件连接的遮挡件，所述遮挡件与所述滤光部配合设置。
  8. 根据权利要求1所述的红外发射角调节结构，其特征在于，所述红外发射角调节结构还包括与所述连接件连接的遮挡件，所述遮挡件与所述发射角调节件配合设置。
  9. 一种红外发射模块，其特征在于，所述红外发射模块包括红外光 源与红外发射角调节结构，所述红外光源与连接件配合设置；
    其中，所述红外光源包括电路基板和与所述电路基板电性连接的发光件，所述发光件位于所述连接件的内腔中；
    所述红外发射角调节结构包括所述连接件和发射角调节件；
    所述连接件为中空的筒状结构，所述发射角调节件沿所述连接件的轴线设置在所述连接件的一端；
    所述连接件沿所述轴线的另一端设置有用于连接红外光源的连接部，红外光源发出的红外光穿过所述连接件的内腔、并经所述发射角调节件调节后对外发射。
  10. 根据权利要求9所述的红外发射模块，其特征在于，所述连接件的内壁设置有光吸收部，所述光吸收部用于吸收散射红外光。
  11. 根据权利要求10所述的红外发射模块，其特征在于，所述光吸收部为设置在所述内壁的螺纹结构。
  12. 根据权利要求9至11任一项所述的红外发射模块，其特征在于，还包括滤光件，所述滤光件的一端与所述连接件共轴连接；
    所述滤光件的另一端设置有滤光部，经所述发射角调节件调节后的红外光进一步经过所述滤光部滤光后对外发射。
  13. 根据权利要求12所述的红外发射模块，其特征在于，所述滤光部为与所述连接件共轴的孔型结构。
  14. 根据权利要求12所述的红外发射模块，其特征在于，
    所述滤光件与所述连接件采用插接的方式连接，所述连接件上设置有轴向的连接插槽，所述滤光件上对应设置有插接部，所述插接部嵌入所述连接插槽中；或者
    所述滤光件与所述连接件采用套接或者旋接的方式连接。
  15. 根据权利要求12所述的红外发射模块，其特征在于，所述红外发射角调节结构还包括与所述滤光件连接的遮挡件，所述遮挡件与所述滤光部配合设置。
  16. 根据权利要求9所述的红外发射模块，其特征在于，所述红外发射角调节结构还包括与所述连接件连接的遮挡件，所述遮挡件与所述发射角调节件配合设置。
  17. 根据权利要求9至11、13至16任一项所述的红外发射模块，其特征在于，所述连接件内腔中靠近所述连接部的位置设有限位部，所述发光件部分地设置于所述限位部中，以使所述发光件与所述连接件共轴。
  18. 根据权利要求9至11任一项所述的红外发射模块，其特征在于，还包括滤光件，所述滤光件的一端与所述连接件共轴连接；
    所述滤光件的另一端设置有滤光部，经所述发射角调节件调节后的红外光进一步经过所述滤光部滤光后对外发射；
    所述连接件内腔中靠近所述连接部的位置设有限位部，所述发光件部分地设置于所述限位部中，以使所述发光件与所述连接件共轴。
  19. 一种遥控装置，其特征在于，包括壳体和设置在所述壳体中的控制模块与红外发射模块，所述控制模块与所述红外发射模块电性连接；
    所述红外发射模块包括红外光源与红外发射角调节结构，所述红外光源与连接件配合设置；
    其中，所述红外光源包括电路基板和与所述电路基板电性连接的发光件，所述发光件位于所述连接件的内腔中；
    所述红外发射角调节结构，包括所述连接件和发射角调节件；
    所述连接件为中空的筒状结构，所述发射角调节件沿所述连接件的轴线设置在所述连接件的一端；
    所述连接件沿所述轴线的另一端设置有用于连接红外光源的连接部，红外光源发出的红外光穿过所述连接件的内腔、并经所述发射角调节件调节后对外发射。
  20. 根据权利要求19所述的遥控装置，其特征在于，所述连接件的内壁设置有光吸收部，所述光吸收部用于吸收散射红外光。
  21. 根据权利要求20所述的遥控装置，其特征在于，所述光吸收部为设置在所述内壁的螺纹结构。
  22. 根据权利要求19至21任一项所述的遥控装置，其特征在于，还包括滤光件，所述滤光件的一端与所述连接件共轴连接；
    所述滤光件的另一端设置有滤光部，经所述发射角调节件调节后的红外光进一步经过所述滤光部滤光后对外发射。
  23. 根据权利要求22所述的遥控装置，其特征在于，所述滤光部为 与所述连接件共轴的孔型结构。
  24. 根据权利要求22所述的遥控装置，其特征在于，
    所述滤光件与所述连接件采用插接的方式连接，所述连接件上设置有轴向的连接插槽，所述滤光件上对应设置有插接部，所述插接部嵌入所述连接插槽中；或者
    所述滤光件与所述连接件采用套接或者旋接的方式连接。
  25. 根据权利要求22所述的遥控装置，其特征在于，所述红外发射角调节结构还包括与所述滤光件连接的遮挡件，所述遮挡件与所述滤光部配合设置。
  26. 根据权利要求19所述的遥控装置，其特征在于，所述红外发射角调节结构还包括与所述连接件连接的遮挡件，所述遮挡件与所述发射角调节件配合设置。
  27. 根据权利要求19至21、23至26任一项所述的遥控装置，其特征在于，所述连接件内腔中靠近所述连接部的位置设有限位部，所述发光件部分地设置于所述限位部中，以使所述发光件与所述连接件共轴。
  28. 根据权利要求19至21任一项所述的遥控装置，其特征在于，包括壳体和设置在所述壳体中的控制模块与红外发射模块，所述控制模块与所述红外发射模块电性连接；
    还包括滤光件，所述滤光件的一端与所述连接件共轴连接；
    所述滤光件的另一端设置有滤光部，经所述发射角调节件调节后的红外光进一步经过所述滤光部滤光后对外发射。
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