阅读说明：本技术 红外发射角调节结构、红外发射模块及遥控装置 (Infrared emission angle adjusting structure, infrared emission module and remote control device ) 是由 刘芳 于 2018-09-19 设计创作，主要内容包括：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。(The application relates to an infrared emission angle adjusting structure, an infrared emission module and a remote control device adopting the infrared emission angle adjusting structure, wherein the infrared emission module comprises a connecting piece (10) and an emission angle adjusting piece (20); the connecting piece (10) is of a hollow cylindrical structure, and the emission angle adjusting piece (20) is arranged at one end of the connecting piece (10) along the axis of the connecting piece (10); the other end of the connecting piece (10) along the axis is provided with a connecting part (11) for connecting an infrared light source, and infrared light emitted by the infrared light source passes through the inner cavity (12) of the connecting piece (10) and is emitted outwards after being adjusted by the emitting angle adjusting piece (20). According to the scheme provided by the embodiment of the invention, the infrared light with a smaller divergence angle can be obtained, so that the infrared emitting module adopting the infrared emitting angle adjusting structure can emit basically collimated infrared light, the controlled equipment can be directionally and remotely controlled in a collimation control scene, and the generation of misoperation caused by an overlarge infrared light emitting angle is avoided.)

1. An infrared emission angle adjusting structure is characterized by comprising a connecting piece and an emission angle adjusting piece;

the connecting piece is of a hollow cylindrical structure, and the emission angle adjusting piece is arranged at one end of the connecting piece along the axis of the connecting piece;

the connecting piece is provided with the connecting portion that is used for connecting infrared light source along the other end of axis, infrared light that infrared light source sent passes the inner chamber of connecting piece, and through the external transmission after emission angle adjusting part adjusts.

2. The infrared emission angle adjustment structure as claimed in claim 1, wherein an inner wall of the connection member is provided with a light absorbing portion for absorbing scattered infrared light.

3. The infrared emission angle adjustment structure as claimed in claim 2, wherein the light absorbing portion is a screw structure provided at the inner wall.

4. The infrared emission angle adjusting structure as claimed in any one of claims 1 to 3, further comprising a filter member having one end coaxially connected to the connecting member;

the other end of the light filtering piece is provided with a light filtering part, and the infrared light adjusted by the emission angle adjusting piece is further filtered by the light filtering part and then emitted to the outside.

5. The infrared emission angle adjustment structure according to claim 4, wherein the filter portion is a hole-type structure coaxial with the connector.

6. The infrared emission angle adjustment structure of claim 4,

the optical filter is connected with the connecting piece in an inserting manner, an axial connecting slot is formed in the connecting piece, an inserting part is correspondingly formed in the optical filter, and the inserting part is embedded into the connecting slot; or

The light filtering piece is connected with the connecting piece in a sleeved or screwed mode.

7. The infrared emission angle adjustment structure of claim 4, further comprising a shielding member connected to the filter, wherein the shielding member is disposed in cooperation with the filter.

8. The infrared emission angle adjusting structure of claim 1, further comprising a shielding member connected to the connecting member, wherein the shielding member is disposed in cooperation with the emission angle adjusting member.

9. An infrared emission module is characterized by comprising an infrared light source and an infrared emission angle adjusting structure, wherein the infrared light source is matched with a connecting piece;

the infrared light source comprises a circuit substrate and a light-emitting piece electrically connected with the circuit substrate, and the light-emitting piece is positioned in the inner cavity of the connecting piece;

the infrared emission angle adjusting structure comprises the connecting piece and an emission angle adjusting piece;

the connecting piece is of a hollow cylindrical structure, and the emission angle adjusting piece is arranged at one end of the connecting piece along the axis of the connecting piece;

the connecting piece is provided with the connecting portion that is used for connecting infrared light source along the other end of axis, infrared light that infrared light source sent passes the inner chamber of connecting piece, and through the external transmission after emission angle adjusting part adjusts.

10. The infrared emission module of claim 9, wherein the inner wall of the connector is provided with a light absorbing portion for absorbing scattered infrared light.

11. The infrared emission module of claim 10, wherein the light absorbing portion is a threaded structure disposed on the inner wall.

12. The infrared emission module of any of claims 9 to 11, further comprising a filter, one end of which is coaxially connected with the connector;

the other end of the light filtering piece is provided with a light filtering part, and the infrared light adjusted by the emission angle adjusting piece is further filtered by the light filtering part and then emitted to the outside.

13. The infrared emission module of claim 12, wherein the optical filter is of a hole-type construction coaxial with the connector.

14. The infrared emission module of claim 12,

the optical filter is connected with the connecting piece in an inserting manner, an axial connecting slot is formed in the connecting piece, an inserting part is correspondingly formed in the optical filter, and the inserting part is embedded into the connecting slot; or

The light filtering piece is connected with the connecting piece in a sleeved or screwed mode.

15. The ir-emitting module of claim 12, wherein the ir emission angle adjusting structure further comprises a shielding member connected to the filter, the shielding member being disposed in cooperation with the filter.

16. The infrared emission module of claim 9, wherein the infrared emission angle adjustment structure further comprises a shielding member connected to the connecting member, the shielding member being disposed in cooperation with the emission angle adjustment member.

17. The ir-emitting module according to any one of claims 9 to 11, 13 to 16, wherein a position in the connecting member cavity near the connecting portion is provided with a stopper portion, and the light emitting member is partially disposed in the stopper portion so that the light emitting member is coaxial with the connecting member.

18. The infrared emission module of any of claims 9 to 11, further comprising a filter, one end of which is coaxially connected with the connector;

the other end of the light filtering part is provided with a light filtering part, and the infrared light adjusted by the emission angle adjusting part is further filtered by the light filtering part and then emitted outwards;

the position, close to the connecting part, in the inner cavity of the connecting piece is provided with a limiting part, and the light-emitting piece is partially arranged in the limiting part so as to enable the light-emitting piece to be coaxial with the connecting piece.

19. A remote control device is characterized by comprising a shell, a control module and an infrared emission module, wherein the control module and the infrared emission module are arranged in the shell and are electrically connected;

the infrared emission module comprises an infrared light source and an infrared emission angle adjusting structure, and the infrared light source is matched with the connecting piece;

the infrared light source comprises a circuit substrate and a light-emitting piece electrically connected with the circuit substrate, and the light-emitting piece is positioned in the inner cavity of the connecting piece;

the infrared emission angle adjusting structure comprises the connecting piece and an emission angle adjusting piece;

the connecting piece is of a hollow cylindrical structure, and the emission angle adjusting piece is arranged at one end of the connecting piece along the axis of the connecting piece;

the connecting piece is provided with the connecting portion that is used for connecting infrared light source along the other end of axis, infrared light that infrared light source sent passes the inner chamber of connecting piece, and through the external transmission after emission angle adjusting part adjusts.

20. A remote control apparatus as claimed in claim 19, characterized in that the inner wall of the connecting piece is provided with a light absorbing part for absorbing scattered infrared light.

21. A remote control apparatus as claimed in claim 20, wherein the light absorbing portion is a thread structure provided on the inner wall.

22. The remote control device according to any one of claims 19 to 21, further comprising a filter member having one end coaxially connected to the connecting member;

the other end of the light filtering piece is provided with a light filtering part, and the infrared light adjusted by the emission angle adjusting piece is further filtered by the light filtering part and then emitted to the outside.

23. A remote control apparatus as set forth in claim 22 wherein said optical filter portion is of an aperture type construction coaxial with said connector.

24. The remote control apparatus of claim 22,

the optical filter is connected with the connecting piece in an inserting manner, an axial connecting slot is formed in the connecting piece, an inserting part is correspondingly formed in the optical filter, and the inserting part is embedded into the connecting slot; or

The light filtering piece is connected with the connecting piece in a sleeved or screwed mode.

25. The remote control device of claim 22, wherein the infrared emission angle adjustment structure further comprises a shield connected to the filter, the shield being disposed in cooperation with the filter.

26. The remote control device of claim 19, wherein the infrared emission angle adjustment structure further comprises a shield connected to the connecting member, the shield being disposed in cooperation with the emission angle adjustment member.

27. The remote control device as claimed in any one of claims 19 to 21 and 23 to 26, wherein a position in the connecting member cavity near the connecting portion is provided with a position limiting portion, and the light emitting member is partially provided in the position limiting portion so that the light emitting member is coaxial with the connecting member.

28. The remote control device according to any one of claims 19 to 21, comprising a housing and a control module and an infrared emission module disposed in the housing, the control module being electrically connected to the infrared emission module;

the connector also comprises a light filtering piece, and one end of the light filtering piece is coaxially connected with the connector;

the other end of the light filtering piece is provided with a light filtering part, and the infrared light adjusted by the emission angle adjusting piece is further filtered by the light filtering part and then emitted to the outside.

Technical Field

The embodiment of the invention belongs to the technical field of remote control, and particularly relates to an infrared emission angle adjusting structure, an infrared emission module adopting the infrared emission angle adjusting structure and a remote control device.

Background

In some devices capable of being remotely controlled, such as televisions, air conditioners and the like, infrared remote control is a common remote control mode, and a remote control device and a controlled device communicate through an infrared transmitting module installed at the remote control device end and an infrared receiving module installed in the controlled device so as to realize a remote control function.

The infrared light source that current infrared emission module adopted generally is infrared LED, infrared LED's on the present market divergence half angle can only accomplish 15 at minimum, as shown in fig. 1, when remote control is carried out in a long distance, the scope that infrared ray that infrared emission module transmission can cover will be very big, often appear when remote control unit's infrared emission module (infrared LED) does not aim at the infrared receiving module of controlled equipment, infrared receiving module also can receive infrared signal, to some scenes that need collimation control (need infrared receiving module and infrared emission module to receive infrared signal when almost collimating promptly), the coverage of infrared light that infrared emission module transmission, if too big, will arouse the maloperation very easily, bring not good experience for the user.

Disclosure of Invention

In order to solve the above problems, embodiments of the present invention provide an infrared emission angle adjusting structure, which is used to solve the problem that an emission half angle of infrared rays emitted by an existing infrared emission module is too large, and misoperation is easily caused in a scene requiring collimation control. In addition, the embodiment of the invention also provides an infrared emission module and a remote control device adopting the infrared emission angle adjusting structure.

The embodiment of the invention adopts the following technical scheme.

On one hand, the infrared emission angle adjusting structure provided by the embodiment of the invention comprises a connecting piece and an emission angle adjusting piece;

the connecting piece is of a hollow cylindrical structure, and the emission angle adjusting piece is arranged at one end of the connecting piece along the axis of the connecting piece;

the connecting piece is provided with the connecting portion that is used for connecting infrared light source along the other end of axis, infrared light that infrared light source sent passes the inner chamber of connecting piece, and through the external transmission after emission angle adjusting part adjusts.

As an implementable aspect of the embodiment of the present invention, the inner wall of the connecting member is provided with a light absorbing portion for absorbing scattered infrared light.

As an implementable aspect of the embodiment of the present invention, the light absorbing portion is a screw structure provided at the inner wall.

As an implementable scheme of the embodiment of the invention, the connector further comprises a light filtering piece, and one end of the light filtering piece is coaxially connected with the connecting piece;

the other end of the light filtering piece is provided with a light filtering part, and the infrared light adjusted by the emission angle adjusting piece is further filtered by the light filtering part and then emitted to the outside.

As an implementable aspect of the embodiment of the present invention, the optical filter portion has a hole-type structure coaxial with the connecting member.

As an implementable solution of the embodiment of the present invention, the optical filter is connected to the connecting member in an insertion manner, the connecting member is provided with an axial connecting slot, the optical filter is correspondingly provided with an insertion portion, and the insertion portion is embedded into the connecting slot; or

The light filtering piece is connected with the connecting piece in a sleeved or screwed mode.

As an implementable solution of the embodiment of the present invention, the infrared emission angle adjusting structure further includes a shielding member connected to the filtering member, and the shielding member is disposed in cooperation with the filtering portion.

As an implementable solution of the embodiment of the present invention, the infrared emission angle adjusting structure further includes a shielding member connected to the connecting member, and the shielding member is disposed in cooperation with the emission angle adjusting member.

On the other hand, the infrared emission module provided by the embodiment of the invention comprises an infrared light source and the infrared emission angle adjusting structure, wherein the infrared light source is matched with the connecting piece;

the infrared light source comprises a circuit substrate and a light-emitting piece electrically connected with the circuit substrate, and the light-emitting piece is located in the inner cavity of the connecting piece.

As an implementable aspect of the embodiment of the present invention, a position in the inner cavity of the connecting member, which is close to the connecting portion, is provided with a limiting portion, and the light emitting member is partially disposed in the limiting portion, so that the light emitting member and the connecting member are coaxial.

On the other hand, the remote control device provided by the embodiment of the invention comprises a shell, and a control module and the infrared emission module which are arranged in the shell, wherein the control module is electrically connected with the infrared emission module.

According to the infrared emission angle adjusting structure provided by the embodiment of the invention, the scattered infrared light emitted by the infrared light source is primarily shaped in the inner cavity of the connecting piece and then the divergence angle of the infrared light is reduced by the emission angle adjusting piece, so that the infrared light with a smaller divergence angle can be obtained, an infrared emission module or a remote control device adopting the infrared emission angle adjusting structure can emit basically collimated infrared light, directional remote control can be carried out on controlled equipment in a collimation control scene, and the generation of misoperation caused by overlarge infrared light emission angle is avoided.

Drawings

In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, a brief description will be given below of the drawings required for the description of the embodiments or the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic diagram of an infrared light emission angle of a conventional infrared LED according to an embodiment of the present invention;

fig. 2 is an overall structural view of an infrared emission angle adjustment structure provided in an embodiment of the present invention;

FIG. 3 is an exploded view of an IR emission angle adjustment structure provided in accordance with an embodiment of the present invention;

fig. 4 is a sectional view of an infrared emission angle adjusting structure provided in an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a connector provided in accordance with an embodiment of the present invention;

FIG. 6 is an enlarged view of A in FIG. 4;

FIG. 7 is an enlarged view of B in FIG. 4;

fig. 8 is a partial schematic view of an infrared emission module according to an embodiment of the present invention.

Description of reference numerals:

10 connecting piece

11 connecting part

12 inner cavity

12a first functional cavity

12b second function chamber

12c third function chamber

12A convex ring

13 light absorbing part

14 connecting slot

20 emitting angle adjusting piece

30 light filter

31 light filtering part

32 insertion part

33 clamping groove

40 shroud

41 clamping part

100 infrared light source

110 circuit base board

120 luminous element

200 infrared emission angle adjusting structure

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which embodiments of the present invention belong; the terminology used herein in the description of the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the invention; the terms "including" and "having," and any variations thereof, in the description and claims of embodiments of the invention and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and in the claims, or in the foregoing drawings, of embodiments of the invention are used for distinguishing between different objects and not for describing a particular order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The embodiment of the invention provides an infrared emission angle adjusting structure, which comprises a connecting piece and an emission angle adjusting piece, wherein the connecting piece is connected with the infrared emission angle adjusting piece;

the connecting piece is of a hollow cylindrical structure, and the emission angle adjusting piece is arranged at one end of the connecting piece along the axis of the connecting piece;

the connecting piece is provided with the connecting portion that is used for connecting infrared light source along the other end of axis, infrared light that infrared light source sent passes the inner chamber of connecting piece, and through the external transmission after emission angle adjusting part adjusts.

Based on the infrared emission angle adjusting structure, the embodiment of the invention also provides an infrared emission module, which comprises an infrared light source and the infrared emission angle adjusting structure, wherein the infrared light source is matched with the connecting piece;

the infrared light source comprises a circuit substrate and a light-emitting piece electrically connected with the circuit substrate, and the light-emitting piece is located in the inner cavity of the connecting piece.

Based on the infrared emission module, the embodiment of the invention also provides a remote control device, which comprises a shell, and a control module and the infrared emission module which are arranged in the shell, wherein the control module is electrically connected with the infrared emission module.

According to the infrared emission angle adjusting structure provided by the embodiment of the invention, the scattered infrared light emitted by the infrared light source is primarily shaped in the inner cavity of the connecting piece and then the divergence angle of the infrared light is reduced by the emission angle adjusting piece, so that the infrared light with a smaller divergence angle can be obtained, an infrared emission module or a remote control device adopting the infrared emission angle adjusting structure can emit basically collimated infrared light, directional remote control can be carried out on controlled equipment in a collimation control scene, and the generation of misoperation caused by overlarge infrared light emission angle is avoided.

In order to make the technical solutions of the embodiments of the present invention better understood, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

The embodiment of the invention provides an infrared emission angle adjusting structure which is suitable for remote control equipment needing collimation communication. Referring to fig. 2 to 4, there are shown an overall structural view, an exploded view and a sectional view of the infrared emission angle adjusting structure.

The infrared emission angle adjusting structure comprises a connecting piece 10 and an emission angle adjusting piece 20; the connecting piece 10 is a hollow cylindrical structure, and the emission angle adjusting piece 20 is arranged at one end of the connecting piece 10 along the axis of the connecting piece 10; the other end of the connecting piece 10 along the axis is provided with a connecting part 11 for connecting an external infrared light source, and infrared light emitted by the infrared light source passes through an inner cavity 12 of the connecting piece 10 and is emitted outwards after being adjusted by the emission angle adjusting piece 20.

In the present embodiment, as shown in fig. 5, the connecting member 10 has an inner cavity 12 configured as a plurality of functional sections from an end connected to the infrared light source to an end connected to the emission angle adjusting member 20.

In some embodiments, the area where the connecting portion 11 is located corresponds to the first functional cavity 12a, and is configured to receive an external infrared light source, that is, the external infrared light source is connected to the connecting member 10 and then received in the first functional cavity 12 a. In an alternative embodiment, the first functional cavity 12a may further include a circuit accommodating portion (not shown) for accommodating a circuit substrate of an external infrared light source, a light emitting member accommodating portion (not shown) for accommodating a light emitting member protruding from the circuit substrate, and a limiting portion (not shown) for fixing a front end of the light emitting member. Optionally, the inner wall of the circuit accommodating portion may further be provided with a fixing strip for matching with the notch on the circuit substrate to fix the circuit substrate; the limiting part can be a convex ring 12A extending from the inner wall to the cavity, the diameter of the convex ring 12A can be smaller than that of the light-emitting piece, so that the front end of the light-emitting piece is embedded in the convex ring 12A, the infrared light beam with larger diameter can be relatively converted into the infrared light beam with smaller diameter while the light-emitting piece is fixed, and the subsequent focusing of infrared light is facilitated.

Further, in the inner cavity 12, a second functional cavity 12b is further configured adjacent to the first functional cavity, the second functional cavity 12b is used for absorbing a portion scattered in the infrared beam, specifically, the connecting member 10 is provided with a light absorbing portion 13 on an inner wall corresponding to the second functional cavity 12b, and the light absorbing portion 13 is used for absorbing scattered infrared light. Light absorption portion 13 can be the material that coats in the absorbable scattered infrared of inner wall, also can be the physical structure of the absorbable scattered infrared that sets up in inside, for example in this embodiment, light absorption portion 13 is for setting up the helicitic texture of inner wall absorbs mixed and disorderly infrared light through helicitic texture, prevents that big receiving angle appears in the region adjacent with infrared emission mouth, influences collimation remote control effect. Of course, other physical structures capable of absorbing scattered infrared light may be provided, and will not be described herein.

Further, in the inner cavity 12, a third function cavity 12c is further configured next to the second function cavity 12b, the third function cavity 12c may be used to mount the emission angle adjusting member 20, the emission angle adjusting member 20 may be entirely accommodated in the third function cavity 12c, and the emission angle adjusting member 20 may be fixed by a limiting step or the like, and of course, the emission angle adjusting member 20 may also be partially disposed in the third function cavity 12 c. Alternatively, the emission angle adjusting member 20 may be a plano-convex lens.

In the embodiment of the invention, when the distance between the light emitting element of the infrared light source and the emission angle adjusting element 20 is set to be 11-13 mm, the half angle of divergence of the infrared light beam can be controlled to be about 2 degrees, and the collimation emission of the infrared light beam can be effectively ensured.

Further, the infrared emission angle adjusting structure further includes an optical filter 30, and with reference to fig. 4 and 6, in this embodiment, one end of the optical filter 30 is coaxially connected to the connecting member 10, the other end of the optical filter 30 is provided with an optical filter portion 31, and the infrared light adjusted by the emission angle adjusting member 20 is further filtered by the optical filter portion 31 and then emitted to the outside. In an actual device, the infrared light source may be a point light source, or may be a surface light source such as a light emitting wafer of an infrared LED (light emitting diode), and for the surface light source, after the infrared light beam is condensed by the emission angle adjusting member 20, only about 80% of the infrared light beam is condensed within a predetermined divergence angle range after being focused, and the remaining 20% of the infrared light beam is not lost, and a messy light beam is formed and overflows, and the light beam affects a close-range receiving angle range, and the light beam can be filtered by the filter 31. Optionally, in this embodiment, the optical filter portion 31 is a hole-shaped structure coaxial with the connector 10, and the hole diameter of the hole-shaped structure is smaller than the maximum diameter of the inner cavity 12.

In some embodiments, the optical filter 30 is connected with the connecting element 10 in an inserting manner, as shown in fig. 6, an axial connecting slot 14 is provided on the connecting element 10, an inserting portion 32 is correspondingly provided on the optical filter 30, the inserting portion 32 is embedded into the connecting slot 14, and the optical filter 30 cooperates with the connecting element 10 to fix the emission angle adjusting element 20; of course, the connection slot 14 and the insertion part 32 may be replaced, or the connection slot 14 and the insertion part 32 may be provided on both the connection member 10 and the filter member 30.

In other embodiments, the filter 30 is connected to the connector 10 by a socket or a screw.

There is a possibility that the optical filter 30 may also be integrally disposed in the inner cavity 12 of the connector 10, for example, adjacent to the third functional cavity 12c, the inner cavity 12 further includes a fourth functional cavity (not shown), the optical filter 30 is received in the fourth functional cavity, and the emission angle adjusting element 20 and the optical filter 30 are disposed in sequence in the inner cavity 12.

There is also the possibility that the emission angle adjusting member 20 is located in the inner cavity 12 of the filter member 30, and the filter member 30 is connected to the connecting member 10.

Further, the infrared emission angle adjusting structure further includes a shielding member 40 connected to the optical filter 30 and used for protecting the emission angle adjusting member 20, the shielding member 40 is disposed in cooperation with the optical filter portion 31, as shown in fig. 7, the shielding member 40 and the optical filter 30 may also be connected in a clamping manner, specifically, the clamping portion 41 on the shielding member 40 is connected to the clamping groove 33 on the optical filter 30; in other embodiments, the shielding element 40 and the filter element 30 can be connected by a socket connection or a screw connection, which will not be described herein. In some embodiments, the infrared emission angle adjusting structure may include a blocking member 40 without the filter 30, and the blocking member 40 may be disposed in cooperation with the emission angle adjusting member 20. In some embodiments, the portion of the shade 40 opposite the filter portion 31 is a transparent structure.

According to the infrared emission angle adjusting structure provided by the embodiment of the invention, the scattered infrared light emitted by the infrared light source is primarily shaped in the inner cavity 12 of the connecting piece 10 and then the divergence angle of the infrared light is reduced through the emission angle adjusting piece 20, so that the infrared light with a smaller divergence angle can be obtained, an infrared emission module or a remote control device adopting the infrared emission angle adjusting structure can emit basically collimated infrared light, directional remote control can be performed on controlled equipment in a collimation control scene, the generation of misoperation caused by an overlarge infrared light emission angle is avoided, and the use experience of a user is improved.

The embodiment of the present invention further provides an infrared emission module, as shown in fig. 8, the infrared emission module includes an infrared light source 100 and the above-mentioned infrared emission angle adjusting structure 200, and the infrared light source 100 is disposed in cooperation with the connecting member 10 of the infrared emission angle adjusting structure 200. The specific structure of the infrared emission angle adjusting structure 200 in this embodiment can refer to the related technical content in the above embodiments, and will not be further described herein.

In this embodiment, the infrared light source includes a circuit substrate 110 and a light emitting element 120 electrically connected to the circuit substrate, and the light emitting element is located in the inner cavity 12 of the connector 10. In some embodiments, with reference to fig. 6, the inner cavity 12 may include a circuit accommodating portion, a light emitting member accommodating portion and a position limiting portion; the circuit accommodating part is used for accommodating a circuit substrate of an external infrared light source; the luminous piece accommodating part is used for accommodating a luminous piece protruding out of the circuit substrate; the position of the inner cavity 12 of the connecting piece 10 of the limiting part, which is close to the connecting part 11, is used for fixing the luminous piece, and the luminous piece is partially arranged in the limiting part so as to enable the luminous piece to be coaxial with the connecting piece 10. Optionally, the inner wall of the circuit accommodating portion may further be provided with a fixing strip for matching with the notch on the circuit substrate to fix the circuit substrate; the limiting part can be a convex ring 12A extending from the inner wall to the cavity, the diameter of the convex ring 12A can be smaller than that of the light-emitting piece, so that the front end of the light-emitting piece is embedded in the convex ring 12A, the infrared light beam with larger diameter can be relatively converted into the infrared light beam with smaller diameter while the light-emitting piece is fixed, and the subsequent focusing of infrared light is facilitated. In this embodiment, the light emitting element is an infrared light emitting diode.

According to the infrared transmitting module provided by the embodiment of the invention, the infrared transmitting angle adjusting structure is arranged, so that the divergence angle of infrared light is reduced by the transmitting angle adjusting part 20 after scattered infrared light emitted by the infrared light source is primarily shaped in the inner cavity 12 of the connecting part 10, and the infrared light with a smaller divergence angle can be obtained, so that the remote control device adopting the infrared transmitting angle adjusting structure can transmit basically collimated infrared light, the controlled equipment can be directionally and remotely controlled in a collimation control scene, and misoperation caused by overlarge infrared transmitting angle is avoided.

The embodiment of the invention also provides a remote control device, which comprises a shell, a control module arranged in the shell and the infrared emission module, wherein the control module is electrically connected with the infrared emission module.

According to the remote control device provided by the embodiment of the invention, in the infrared emission module adopted by the remote control device, the scattered infrared light emitted by the infrared light source is subjected to primary shaping in the inner cavity 12 of the connecting piece 10 and then the divergence angle of the infrared light is reduced through the emission angle adjusting piece 20, so that the infrared light with a smaller divergence angle can be obtained, the remote control device can emit basically collimated infrared light, the controlled equipment can be directionally and remotely controlled in a collimation control scene, and the generation of misoperation caused by overlarge infrared light emission angle is avoided.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention without limiting its scope. Embodiments of the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein but rather should be construed as broadly as the present disclosure. Although the embodiments of the present invention have been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that the embodiments described in the foregoing embodiments may be modified or equivalents may be substituted for some of the features. All equivalent structures made by using the contents of the description and the drawings of the embodiments of the present invention are directly or indirectly applied to other related technical fields, and are within the protection scope of the embodiments of the present invention.