CN103745591A - Remote control receiving device and display - Google Patents
Remote control receiving device and display Download PDFInfo
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- CN103745591A CN103745591A CN201410039605.1A CN201410039605A CN103745591A CN 103745591 A CN103745591 A CN 103745591A CN 201410039605 A CN201410039605 A CN 201410039605A CN 103745591 A CN103745591 A CN 103745591A
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Abstract
The invention discloses a remote control receiving device and a display, and relates to the field of photoelectric technology, and aims to well extend the remote control receiving range. The remote control receiving device and the display comprise a light guide column arranged on a front frame of the display, wherein receiving heads are oppositely arranged on the light guide column in the axial direction of the light guide column; a convex lens is arranged at the part opposite to the receiving heads in the light guide column; the axial direction of the convex lens is parallel to the axial direction of the light guide column. The remote control receiving device is mainly used for receiving remote control signals.
Description
Technical field
The present invention relates to field of photoelectric technology, relate in particular to a kind of remote-receiver and there is the display of this remote-receiver.
Background technology
At present, televisor can adopt Infrared Ray Remote Control Technology to realize straighforward operation mostly, the transmission that realizes infrared signal by remote-receiver and the outside remote-controlled launcher of inside television.Remote-receiver generally includes for guiding the light-guiding pillar of infrared remote-controlled signal and for receiving infrared remote-controlled signal Receiver, wherein, light-guiding pillar is fixed on TV set front frame, Receiver is positioned at the inner side of front frame, and light-guiding pillar inner face is substantially concordant with the outside surface of front frame over against Receiver, outer face.User, when using remote-controlled launcher (as telepilot) to operate televisor, need to aim at the infrared remote control head of telepilot the light-guiding pillar of televisor, and infrared signal arrives Receiver under the guiding of light-guiding pillar.
But the inventor finds technique scheme in the process of implementing technical solution of the present invention, at least there are the following problems:
Fig. 1 has illustrated that Infrared injects optical schematic diagram in light-guiding pillar (in order to clearly demonstrate, in Fig. 1, do not illustrate the front frame of televisor), when Infrared is during over against light-guiding pillar 3 ＇ of televisor, reception is best, but when the center line of infrared ray and light-guiding pillar 3 ＇ forms certain angle, light retrodeviates decentering through over-light-transferring pole 3 ＇, thereby possibly cannot arrive Receiver 41 ＇, for example, in Fig. 1, the maximum magnitude of the reception light of light-guiding pillar is α, and what now Receiver received is minimum detectable signal.When surpassing this scope, light cannot arrive Receiver, has limited like this remote control angular range, reduces remote-control sensitivity.
Summary of the invention
Technical scheme of the present invention provides a kind of remote-receiver and display, can increase the receiving angle scope of remote control, thereby improves the sensitivity of remote control.
For achieving the above object, embodiments of the invention adopt following technical scheme:
The embodiment of the present invention provides a kind of remote-receiver, comprise the light-guiding pillar that is arranged on the front frame of display, described light-guiding pillar is axially provided with Receiver relatively along it, and part relative with described Receiver in described light-guiding pillar is provided with convex lens, the axially parallel of described convex lens is axial in described light-guiding pillar.
Further, described light-guiding pillar is also provided with the concavees lens parallel with described convex lens, and described convex lens are between described concavees lens and described Receiver.
Alternatively, the distance between described Receiver and described convex lens is not less than the focal length of described convex lens.
Comparatively preferably, the distance between described Receiver and described convex lens is less than two times of focal lengths of described convex lens.
Comparatively preferably, the focal length that the distance between described concavees lens and described convex lens is described convex lens.
The embodiment of the present invention also provides a kind of display, comprises the remote-receiver of the above-mentioned arbitrary form of claim.
A kind of remote-receiver and display that the embodiment of the present invention provides, comprise the light-guiding pillar that is arranged on the front frame of display, light-guiding pillar is axially provided with Receiver relatively along it, and part relative with Receiver in light-guiding pillar is provided with convex lens, the axially parallel of convex lens is axial in light-guiding pillar, Infrared converges under the effect of convex lens will inward collapsible, the part light that exceeds like this α scope shown in Fig. 1 also can converge and can arrive Receiver under the effect of convex lens, to form larger range of receiving β (as shown in figure 11), thereby expand preferably remote control reception scope, improve remote-control sensitivity.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the optical path figure of the remote-receiver of prior art while receiving critical ray;
The decomposition texture schematic diagram of the remote-receiver that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the schematic diagram of the light-guiding pillar of embodiment mono-;
Fig. 4 is the schematic diagram of the light-guiding pillar of embodiment bis-;
The front view of the remote-receiver that Fig. 5 and the embodiment of the present invention provide;
Fig. 6 is the enlarged diagram of A portion in Fig. 5;
The schematic internal view of a kind of remote-receiver that Fig. 7 provides for the embodiment of the present invention one;
The schematic internal view of a kind of remote-receiver that Fig. 8 provides for the embodiment of the present invention two;
The schematic internal view of another remote-receiver that Fig. 9 provides for the embodiment of the present invention two;
The schematic internal view of another remote-receiver that Figure 10 provides for the embodiment of the present invention two;
The optical path figure of the remote-receiver that Figure 11 provides for the embodiment of the present invention one;
The optical path figure of the remote-receiver that Figure 12 provides for the embodiment of the present invention two.
Reference numeral:
Frame before 1-display, 2-retaining piece, 3-light-guiding pillar, 30-lens combination, 31-concavees lens, 32-convex lens, 33-cavity portion, 4-signal receiving module, 40-mainboard, 41-Receiver.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belongs to the scope of protection of the invention.
First it should be noted that, the remote-receiver that the embodiment of the present invention provides not only can be applied in televisor etc. to be had in the display of Presentation Function, can also be applied in any equipment that such as Set Top Box, air-conditioning, refrigerator, phone, projector, Game device, CD-ROM drive etc. can operate by controller.Below for convenience of explanation with understand the embodiment of the present invention, the remote-receiver of display of take is specifically described as example.
Embodiment mono-:
Shown in Fig. 2, the remote-receiver that the embodiment of the present invention provides, comprises light-guiding pillar 3, signal receiving module 4, and as shown in Figure 3, signal receiving module 4 comprises mainboard 40, and Receiver 41 is installed on mainboard 40.The front frame 1(that light-guiding pillar 3 is arranged on display refers to that display regards to user's framework), and light-guiding pillar 3 stretches out (as shown in Figure 5 or Figure 6) along the inner side of its axial front end frame 1 from display, the rear end of light-guiding pillar 3 is relative with Receiver 41, the part that in light-guiding pillar 3, Receiver 41 is relative is provided with convex lens 32, and the axially parallel of these convex lens 32 is in axial (as shown in Figure 7) of light-guiding pillar 3.
Infrared is converged inward collapsible under the effect of convex lens like this, the part light that exceeds like this α scope in Fig. 1 also can converge and can arrive Receiver under the effect of convex lens, to form larger range of receiving β (as shown in figure 11), thereby expand preferably remote control reception angular range, improve remote-control sensitivity.
It should be noted that, in embodiment mono-, two, a plurality of Receivers are installed on mainboard, for convenience of explanation, the Receiver of only locating for being arranged on mainboard two edges illustrating in figure, the region between the Receiver of two edges can receive Infrared equally.
Embodiment bis-:
Shown in Fig. 2 and Fig. 4, the remote-receiver that the present embodiment provides, comprises peace light-guiding pillar 3, signal receiving module 4, and signal receiving module 4 comprises mainboard 40, and Receiver 41 is installed on mainboard 40.The front frame 1(that light-guiding pillar 3 is arranged on display refers to that display regards to user's framework), and light-guiding pillar 3 stretches out (as shown in Figure 5 or Figure 6) along the inner side of its axial front end frame 1 from display, the rear end of light-guiding pillar 3 is relative with Receiver 41, the part that in light-guiding pillar 3, Receiver 41 is relative is provided with concavees lens 31 and convex lens 32, axial axial (as shown in Figure 8) that is all parallel to light-guiding pillar 3 of these concavees lens 31 and convex lens 32, and convex lens 32 are between concavees lens 31 and Receiver 41.
When light is incident to convex lens 32 after the disperse function of concavees lens 31, and arrive Receiver 41 through the effect of converging of convex lens 32, can further expand like this angle of incidence of light degree scope being incident in light-guiding pillar 3, thereby expand the controlled angle of remote control.The present embodiment can be used as preferred embodiment, below also all as being front further elaborated.
As shown in figure 12, originally the light within the scope of β, at the critical ray inward collapsible arrive receiving after concavees lens, convex lens effect, can further expand angle of incidence of light degree scope like this, by β expanded range to γ scope.
What deserves to be explained is, the quantity of the above-mentioned lens combination 30 being formed by concavees lens 31 and convex lens 32 is not limited to one group, it can also be the multiple lens group 30 being arranged side by side from front to back, when light-guiding pillar 3 is interior when multiple lens group 30 is set, still can reach object of the present invention, and effect can also further improve.But the quantity of lens combination 30 is not The more the better yet, should, in the interior limited space of light-guiding pillar 3, the lens combination 30 of respective numbers be reasonably set.
As a kind of optional scheme of the embodiment of the present invention, distance d between Receiver and convex lens 32 can be identical with the focal distance f of convex lens 32, now the light of planoconvex lens 32 after converging can be received more head and receives, can further expand remote control controlled angle like this, thereby improve better the sensitivity of remote control.
As the another kind of optional scheme of the embodiment of the present invention, the distance d between Receiver and convex lens 32 can be greater than the focal distance f of convex lens 32, and the light scope that now planoconvex lens 32 is launched can drop on mainboard in the region between the Receiver of two edges.
But, when the distance d between Receiver 41 and convex lens 32 is greater than two times of focal length 2f, the effect of the reception light of Receiver can be affected, thereby the controlled angle of remote signal is exerted an influence.For avoiding this problem, can make distance d between above-mentioned Receiver and convex lens 32 be not less than the focal distance f of convex lens 32 and be less than two times of focal length 2f(f≤d < 2f of convex lens 32), and the embodiment of the present invention is usingd this as comparatively preferred scheme.
In addition, in order further not affect reception, so that the controlled angle of remote signal is unaffected, in embodiments of the present invention, distance between concavees lens 31 and convex lens 32 is identical with the focal length of convex lens 32, concavees lens 31 are positioned at the focus place in convex lens 32 left sides, and this scheme also can be used as another comparatively preferred scheme of the present invention.
When transmitting infrared signal, except above-mentioned lens combination 30 can affect light bang path, light-guiding pillar 3 itself also can produce certain impact to light transfer route.For example the front end face of the light-guiding pillar shown in Fig. 8 or Fig. 9 is inclined-plane, or the front end face of the light-guiding pillar shown in Figure 10 is plane, but when front end face is inclined-plane, can further expand the controlled angle of remote signal.Therefore can be that inclined-plane is as a kind of comparatively preferred scheme using the front end face of light-guiding pillar in the present invention.It should be noted that, because light-guiding pillar is relatively little on the impact of light, therefore can ignore the impact of light-guiding pillar on light.
In order to realize the leaded light performance of light-guiding pillar 3, the material of light-guiding pillar 3 can be transparent ABS material, PC material or PMMA(polymethylmethacrylate) material, color can be inlayed white for black inside, thereby forms black trnaslucent materials.Light-guiding pillar 3 materials preferably adopt the PMMA of translucent black in embodiments of the present invention.
For the selection of the concavees lens 31 in the embodiment of the present invention and convex lens 32, wherein a kind of optional scheme is: as shown in Figure 9, the leading flank of concavees lens 31 can be concave surface, and trailing flank is plane, and leading flank, the trailing flank of convex lens 32 are convex surface; Another kind of optional scheme is: as shown in figure 10, leading flank, the trailing flank of concavees lens 31 are concave surface, and leading flank, the trailing flank of convex lens 32 are convex surface, compare this two schemes, sometimes can using the latter as comparatively preferred scheme.
Connected mode for light-guiding pillar 3 with signal receiving module 4, can be with reference to shown in Fig. 3 or Fig. 4, the part that light-guiding pillar 3 is relative with signal receiving module 4 has the cavity portion 33 of opening, concavees lens 31 and convex lens 32 are arranged in this cavity portion 33, the structure that can be like this light-guiding pillar is comparatively compact, mainboard 40 is connected to the rear end of light-guiding pillar 3, also can be connected by screw part mainboard 40 is connected with the rear end of light-guiding pillar 3, or also letter mainboard 40 can be fixed on other fabricated sections.
Connected mode for frame 1 before light-guiding pillar 3 and display, continuation can be known from Fig. 2, light-guiding pillar 3 is arranged on retaining piece 2, retaining piece 2 is arranged on the inner side of the front frame 1 of display, the front end face of light-guiding pillar 3 through after retaining piece 2 from display the inner side of frame 1 stretch out, mainboard 40 is fitted with the rear end face of retaining piece 2, forms the space of containing light-guiding pillar 3 between the two.
The embodiment of the present invention also provides a kind of display, comprises the remote-receiver of above-mentioned any one form, can, with reference to description above, herein no longer the repeating of the remote-receiver in this display.
Above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (6)
1. a remote-receiver, it is characterized in that, comprise the light-guiding pillar that is arranged on the front frame of display, described light-guiding pillar is axially provided with Receiver relatively along it, and part relative with described Receiver in described light-guiding pillar is provided with convex lens, the axially parallel of described convex lens is axial in described light-guiding pillar.
2. remote-receiver according to claim 1, is characterized in that, described light-guiding pillar is also provided with the concavees lens parallel with described convex lens, and described convex lens are between described concavees lens and described Receiver.
3. remote-receiver according to claim 2, is characterized in that, the distance between described Receiver and described convex lens is not less than the focal length of described convex lens.
4. remote-receiver according to claim 3, is characterized in that, the distance between described Receiver and described convex lens is less than two times of focal lengths of described convex lens.
5. according to the remote-receiver described in claim 2-4 any one, it is characterized in that the focal length that the distance between described concavees lens and described convex lens is described convex lens.
6. a display, is characterized in that, comprises the remote-receiver described in claim 1-5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410039605.1A CN103745591A (en) | 2014-01-27 | 2014-01-27 | Remote control receiving device and display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410039605.1A CN103745591A (en) | 2014-01-27 | 2014-01-27 | Remote control receiving device and display |
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| CN103745591A true CN103745591A (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410039605.1A Pending CN103745591A (en) | 2014-01-27 | 2014-01-27 | Remote control receiving device and display |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967798A (en) * | 2015-06-29 | 2015-10-07 | 青岛海信电器股份有限公司 | Television set |
| CN109166300A (en) * | 2018-10-17 | 2019-01-08 | 江苏毅昌科技有限公司 | A kind of IR remote control reception component |
| CN109618523A (en) * | 2019-01-02 | 2019-04-12 | 山东浪潮商用系统有限公司 | A kind of set-top box and its design method |
| CN111022956A (en) * | 2019-12-03 | 2020-04-17 | 捷开通讯(深圳)有限公司 | Light guide assembly and display lamp set |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967798A (en) * | 2015-06-29 | 2015-10-07 | 青岛海信电器股份有限公司 | Television set |
| CN104967798B (en) * | 2015-06-29 | 2018-07-31 | 青岛海信电器股份有限公司 | Television set |
| CN109166300A (en) * | 2018-10-17 | 2019-01-08 | 江苏毅昌科技有限公司 | A kind of IR remote control reception component |
| CN109166300B (en) * | 2018-10-17 | 2024-01-23 | 江苏毅昌科技有限公司 | IR remote control receiving component |
| CN109618523A (en) * | 2019-01-02 | 2019-04-12 | 山东浪潮商用系统有限公司 | A kind of set-top box and its design method |
| CN111022956A (en) * | 2019-12-03 | 2020-04-17 | 捷开通讯(深圳)有限公司 | Light guide assembly and display lamp set |
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Application publication date: 20140423 |
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