CN204993358U - Light signal receiver - Google Patents
Light signal receiver Download PDFInfo
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- CN204993358U CN204993358U CN201520674538.0U CN201520674538U CN204993358U CN 204993358 U CN204993358 U CN 204993358U CN 201520674538 U CN201520674538 U CN 201520674538U CN 204993358 U CN204993358 U CN 204993358U
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- signal receiving
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Abstract
The utility model discloses a light signal receiver, include: the shell, accept in organism in the shell, the organism is provided with a light -receiving head that is used for receiving the external light signal, the light -receiving head is equipped with one and encircles the light -receiving head, be used for instructing and receive the light ring in light zone territory, the light ring comprises a plurality of LED lamps. The utility model provides a light signal receiver, through set up the light -receiving head with the light ring center to made clear the receiving area's of light signal visual range, made the transmission of light signal accurate swift, different operating condition is instructed in change through the luminous colour of LED lamp, set up printing opacity gear structure between LED and leaded light ring for indicate the light of light ring transmission softer.
Description
Technical field
The utility model relates to optical communication field, particularly relates to a kind of light signal receiving.
Background technology
Visible light communication utilizes visible ray to carry out transfer of data, such as, communicated by the high-frequency flicker of LED light source.Be characterized in being applicable to any communication protocol, be applicable to any operational environment, have good controllability, visible ray communication also has good confidentiality, and communication data is not easily stolen, and fail safe is higher.
The direct receiving optical signals of existing light signal receiving, when there being light to be irradiated on photodiode, photodiode is had light signal to be changed into digital signal transfers to the signal circuit be coupled with it, and wherein light receiving area is only that photodiode surface can the area of receiving tube light, its effective area is very little, the light signal of external emission end is difficult to be irradiated to this photosensitive region accurately, reduces the utilance of light signal.
The light signal reception area of existing light signal receiving does not have indicator light, or indicator light significantly can not show the effective coverage of receiving optical signals, makes user can accurately not tell the effective coverage of receiving optical signals, causes use obstacle.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of light signal receiving, and this receiving system arranges iris diaphragm structure around light signal reception area, specify that the visual range in light region awarded by photodiode.
The technical solution of the utility model is as follows:
A kind of light signal receiving, comprise: shell, be contained in the body in described shell, described body is provided with one for receiving the light-receiving head of external optical signals, described light-receiving head is provided with one around described light-receiving head, the aperture being used to indicate light area, and described aperture is made up of multiple LED.
Described light signal receiving, wherein, it is spaced that described LED presses glow color difference.
Described light signal receiving, wherein, is also provided with the guide-lighting ring of the light conduction for LED being launched to the external world between described light-receiving head and described aperture.
Described light signal receiving, wherein, bottom described light-receiving head and LED be all arranged on the pcb board of internal body, described light-receiving head is extended towards described shell direction by described pcb board surface.
Described light signal receiving, wherein, described shell also comprises one for the lampshade of conducting light, described lampshade is covered in directly over described guide-lighting ring.
Described light signal receiving, wherein, described guide-lighting ring rounds in described light-receiving head periphery setting, is provided with the reflecting surface that the light for LED being penetrated penetrates along described light-receiving head bearing of trend bottom described guide-lighting ring.
Described light signal receiving, wherein, being also provided with light for described LED being penetrated after dispersing, projecting the printing opacity gear structure on described reflecting surface between described LED and described reflecting surface.
Described light signal receiving, wherein, the flank of tooth of described printing opacity gear is just arranged described LED.
Described light signal receiving, wherein, described aperture by multiple transmittings two kinds of different colours LED separately around described light-receiving first week arrange.
Described light signal receiving, wherein, the luminescence separately of described LED or the LED luminescence simultaneously of two kinds of colors.
The light signal receiving that the utility model provides, by being arranged and aperture center by light-receiving head, thus specify that the receiving area of light signal, making the transmitting accurate quick of light signal; Different operating states is indicated by the change of LED glow color; Printing opacity gear structure is set between LED and guide-lighting ring, makes to indicate the light of aperture transmitting softer.
Accompanying drawing explanation
Fig. 1 is in the utility model embodiment, the structural representation of shell;
Fig. 2 is in the utility model embodiment, housing construction schematic diagram;
Fig. 3 is in the utility model embodiment, the structural scheme of mechanism of pcb board;
Fig. 4 is in the utility model embodiment, the structure principle chart of Lamp cup;
Fig. 5 is in the utility model embodiment, the assembling design sketch of light signal receiving;
Fig. 6 is in the utility model embodiment, the structure principle chart of lampshade;
Fig. 7 is in the utility model embodiment, the cut-away view of LED light circle;
Fig. 8 is in the utility model embodiment, the equivalent circuit diagram of pick-proof circuit.
Embodiment
The utility model provides a kind of light signal receiving, for making the purpose of this utility model, technical scheme and effect clearly, clearly, further describes below to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment one,
Light signal receiving provided by the invention, as Figure 1-Figure 2, comprise shell 1, be contained in the body 2 of shell 1 inside, body 2 is provided with upper cover 3, for allowing light-receiving head pass, and the pcb board 4 (as shown in Figure 3) of light-receiving head is installed, upper cover 3 surface be provided with allow light-receiving head pass first window 31.Light-receiving head center is provided with for photosensitive electrooptical device, enclosing electrooptical device, within one week, to be provided with inner surface be funnelform Lamp cup 6, the photosensitive region of electrooptical device is positioned at the center of Lamp cup 6 infundibulate reducing, the funnel shaped wide-mouth of Lamp cup 6 rectifies the shell 1 of external side, Lamp cup 6 funnel shaped wide mouth part end face and the mutually concordant setting in shell 1 surface.Wherein, electrooptical device can be the one in photodiode, phototriode, photo resistance, photocell, and the present embodiment preferably adopts photodiode 5.
Wherein, as shown in Figure 1-Figure 3; upper cover 3 is in the positive six face-piece bodies for bottom end opening; its opening direction is towards pcb board 4; dorsad the bottom of pcb board 4 be provided with allow light-receiving head pass first window 31, upper cover 3 is arranged on above pcb board 4, and light-receiving head is windowed by first and 31 to be passed; like this, upper cover 3 just serves the effect of a protection pcb board 4 and device connection line.Photodiode non-photo-sensing side is connected with the digital signal change-over circuit on pcb board 4, thus realizes digital electric signal corresponding to light signal converting to.
Adopt such design, as shown in Figure 4, by photodiode 5 being arranged on the center of Lamp cup 6, the light be irradiated on Lamp cup 6 is finally focused on photodiode 5 surface through repeatedly reflecting, the inner surface being irradiated to Lamp cup 6 do not shine directly into the light on photodiode 5 surface like this, as long as just can converge to the photosensitive region of the photodiode 5 of bottom centre after reflection.The light signal area that photodiode 5 is received is larger, and light signal strength is stronger, improves the transmission quality of light signal.
Further, photodiode 5 is positioned at the bottom of Lamp cup 6, and the top of Lamp cup 6 is funnelform wide mouth part, and bottom is the end that closes up.For improving the reflecting effect of Lamp cup 6, carry out silver mirror process at Lamp cup 6 inner surface, such as, at electroplating surface one deck Ag films of Lamp cup 6.
For increasing the photosensitive area of light-receiving head further, as shown in Figures 5 and 6, shell 1 arranging a convex lens lampshade 11, being irradiated to the inner surface of Lamp cup 6 after light collection different angles projected by this lampshade 11, thus making photodiode photosensitive.Become plane bottom lampshade 11, center is protruding laterally forms convex lens structures 110, is also provided with for installing fixing shirt rim 111 between the outside of lampshade 11 projection and bottom surface.Particularly, shell 1 upper surface is provided with corresponding with Lamp cup 4 opening second and windows 12, and lampshade 11 windows 12 from shell 1 inside through second, and shirt rim 111 is attached to second and windows 12 inner surface edges, defines lampshade 11 displacement laterally.12 edges of being windowed in shirt rim 111 and second are again fixed together, and the present embodiment adopts punching around 12 of windowing in shirt rim 111 and second, then is fixed by thermoplastic post, other modes can certainly be adopted to fix, such as, bonded by glue.
Embodiment two,
The present embodiment is a kind of improvement project on previous embodiment basis, in the present embodiment, as shown in Figure 3, in order to the visual identity feature of clear and definite light signal region of acceptance, the aperture of circle LED 7 formation is also provided with around light-receiving head periphery at pcb board 4, light-receiving head is placed in aperture center, so just specify that the visual identity effect of light signal receiving area, be light signal issuing side energy accurate quick light signal is sent to light signal receiving area.
Preferably, in order to make aperture while pilot light Signal reception region, other information such as the running status of this light signal receiving can be indicated again, LED 7 around aperture can be arranged according to certain rule, to make it present different luminances, thus the information that instruction is corresponding with luminance.In the present embodiment, by the LED 7 of aperture according to different colours arrangement, aperture presents different colours and indicates different running statuses.Such as, initial condition after installing, aperture display is blue; After accepting correct signal for the first time after installing, aperture transfers cyan to by blueness; If the ID cell id of light signal not pair time, three seconds of aperture blueness flicker; If the ID that optical key sends is effective No. ID, and when having enabling authority, aperture display is green; When receiver face-piece is by without after allowing to pry open, aperture blueness does not stop flicker.Its implementation procedure, can by LED 7 according to blue, green two kinds of color distributions separately, when the LED 7 controlling separately single color is luminous, whole aperture just presents the corresponding monochromatic ring of light, when LED 7 luminescence simultaneously of control two kinds of colors, present cyan due to blue superposition with green, what therefore aperture presented is exactly cyan aperture.Other different indicating modes can certainly be adopted, such as, allow LED 7 light clockwise or sequence counter-clockwise dodge and go out, these alternative schemes at this not exhaustive.
Further, as shown in Fig. 3 and Fig. 7, the light sent to enable LED 7 outwards disperses formation one aperture, the guide-lighting ring 8 of one ring around Lamp cup 6 is set in Lamp cup 6 periphery, in the bottom of guide-lighting ring 8, the reflecting surface 81 of surface in 45° angle is provided with the position of LED 7 phase level, this reflecting surface 81 is along light-receiving first week rounded continuous distribution, the light of LED 7 level injection is after reflecting surface 81 reflects, through 90 ° of deflections, (as arrow direction in Fig. 7) by bottom guide-lighting ring 8 upwards, namely penetrate along the direction vertical with upper cover 3 surface, thus make to form visual aperture around light-receiving head.
Preferably, as shown in Figure 3, the light launched for making this aperture is comparatively soft, does not produce the problem that light is too concentrated and dazzling, in the bottom of light-receiving head, namely a printing opacity gear structure 61 is provided with outside Lamp cup 6, this printing opacity gear structure 61 is arranged between LED 7 and reflecting surface 81, and the flank of tooth of printing opacity gear is just arranged LED 7, after the uniform light dispersion that LED 7 is sent, be irradiated on reflecting surface 81, reach the uniform light after reflection and not dazzling effect.
Embodiment three,
Based on the description of above-described embodiment, in the body of the light signal receiving given by the present embodiment, be also provided with pick-proof circuit.As shown in Figure 8, pick-proof circuit comprises the testing circuit and buzzer alarm circuit that are electrically connected to each other, and testing circuit comprises processor, trigger switch and detects power supply, and processor is by trigger switch and detection electric power generating composition testing circuit; Buzzer alarm circuit comprises a buzzer (H), working power and switch element, an electrode of working power is electrically connected by terminals of switch element and buzzer, another terminals of buzzer and another pole of working power are electrically connected, and processor and switch element electricity connect; When trigger switch disconnects, processor detects low level signal, and sends Continuity signal to switch element, switching means conductive, and buzzer starts; When trigger switch disconnects, described processor detects high level signal, and the Continuity signal inputted to described switch element interrupts, and described triode cut-off, described buzzer cuts out.
Further, as shown in Figure 1, trigger switch is the pick-proof shell fragment 32 being fixed on shell 1 inner surface, these pick-proof shell fragment 32 both sides are provided with just to the pin of upper cover 3, the pcb board 4 of body 2 inside is provided with the pick-proof circuit corresponding with this pick-proof shell fragment 32, when shell 1 and body 2 fasten mutually, two pins of pick-proof shell fragment 32 and the terminals of pick-proof circuit in electrical contact, pick-proof circuit does not trigger; When this light signal receiving receive outside destroy cause shell 1 to depart from body 2 time, two pins of pick-proof shell fragment 32 and the terminals of pick-proof circuit are thrown off, pick-proof circuit triggers.
Further, as shown in Figure 8, switch element in the present embodiment is triode, in buzzer alarm circuit, positive pole and buzzer one terminals of working power are electrical connected, and the other end of buzzer and the emitter of triode are electrically connected, and the negative pole of working power and the base stage of triode are electrically connected, base stage and the processor of triode are electrically connected, the grounded collector of triode; When the trigger switch that pick-proof shell fragment 32 is formed disconnects, when namely pick-proof shell fragment 32 and buzzer circuit two terminals depart from, processor detects low level signal, and sends low level Continuity signal to triode, switching means conductive, and buzzer starts; When two terminal contact with testing circuit of pick-proof shell fragment 32, when namely trigger switch closes, described processor detects high level signal, interrupt to described triode input high level pick-off signal, namely low level Continuity signal interrupts, and triode ends, and buzzer cuts out.As shown in figs. 5 and 8, when shell 1 fastens with body 2, processor detects high level signal, and triode is in cut-off state, and buzzer warning loop disconnects; Otherwise when shell 1 is separated with body 2, pick-proof shell fragment 32 and circuit connection terminal depart from, and processor detects low level signal, and triode is in conducting state, buzzer alarm circuit is inhaled and is formed loop, thus triggers buzzer long time of alarm.Like this, constitute a trigger switch structure by pick-proof shell fragment 32, controlled the operating state of buzzer by it, thus play the effect of Pickproof alarm.Certainly, switch element is not limited in triode, also can adopt field effect transistor, as long as low level signal detected, field effect transistor conducting according to processor inspection processor, otherwise cut-off arranges circuit.Concrete, if switch element field effect transistor (not shown herein), the positive pole of working power connects terminals of buzzer, another terminals of buzzer connect the source electrode of field effect transistor, the grounded drain of field effect transistor, the negative pole of working power connects the base stage of field effect transistor.
Preferably; as shown in Figure 8; for guaranteeing the fail safe of circuit; to connect respectively in testing circuit and buzzer alarm circuit at least one protective resistance; concrete; connect between the positive pole of detection power supply and terminals of trigger switch a protective resistance R, the other end of trigger switch connect a protective resistance R same with between processor, and the negative pole detecting power supply is connected with processor internal wire.Corresponding, in buzzer alarm circuit, be in series with resistance R between working power negative pole and transistor base, between processor and transistor base, be in series with protective resistance R.Same based on security consideration, the preferred power of triode that the present embodiment adopts is less than the small-power transistor of 1W, and such as S9012 type transistor, the electric current that pick-proof circuit is flow through is less.
Further, as shown in Figure 2, be provided with the through hole 33 passed for pin in the position that the surface of upper cover 3 is corresponding with pick-proof shell fragment 32 pin, after shell 1 and body 2 fasten, the terminals that two pins of pick-proof shell fragment 32 are each passed through the through hole 33 of upper cover 3 and pick-proof circuit are in electrical contact.
The light signal receiving that the utility model provides, by arranging the structure of lens lampshade and Lamp cup, greatly improving the service efficiency of light signal, adding optical signal transmission distance; By being arranged and aperture center by light-receiving head, thus specify that the receiving area of light signal, making the transmitting accurate quick of light signal, indicating different operating states by the change of LED glow color; Printing opacity gear structure is set between LED and guide-lighting ring, makes to indicate the light of aperture transmitting softer; The mode being fixed on the whether movement of pick-proof shell fragment on shell by pick-proof electric circuit inspection carries out Pickproof alarm, and cost is low, does not rely on environmental factor, and limitation is little, and external environment cannot be disturbed.
Above content is in conjunction with concrete execution mode further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; can also make some simple deduction or replace, all these improve and convert the protection range that all should belong to the utility model claims.
Claims (10)
1. a light signal receiving, it is characterized in that, comprise: shell, be contained in the body in described shell, described body is provided with one for receiving the light-receiving head of external optical signals, described light-receiving head is provided with one around described light-receiving head, the aperture being used to indicate light area, and described aperture is made up of multiple LED.
2. light signal receiving according to claim 1, is characterized in that, it is spaced that described LED presses glow color difference.
3. light signal receiving according to claim 1 and 2, is characterized in that, is also provided with the guide-lighting ring of the light conduction for LED being launched to the external world between described light-receiving head and described aperture.
4. light signal receiving according to claim 3, is characterized in that, bottom described light-receiving head and LED be all arranged on the pcb board of internal body, described light-receiving head is extended towards described shell direction by described pcb board surface.
5. light signal receiving according to claim 3, is characterized in that, described shell also comprises one for the lampshade of conducting light, described lampshade is covered in directly over described guide-lighting ring.
6. light signal receiving according to claim 4, it is characterized in that, described guide-lighting ring rounds in described light-receiving head periphery setting, is provided with the reflecting surface that the light for LED being penetrated penetrates along described light-receiving head bearing of trend bottom described guide-lighting ring.
7. light signal receiving according to claim 6, is characterized in that, being also provided with light for described LED being penetrated after dispersing, projecting the printing opacity gear structure on described reflecting surface between described LED and described reflecting surface.
8. light signal receiving according to claim 7, is characterized in that, the flank of tooth of described printing opacity gear is just arranged described LED.
9. light signal receiving according to claim 2, is characterized in that, described aperture is by LED the arranging around described light-receiving head separately of multiple transmittings two kinds of different colours.
10. light signal receiving according to claim 9, is characterized in that, the luminescence separately of described LED or the LED luminescence simultaneously of two kinds of colors.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520674538.0U CN204993358U (en) | 2015-09-01 | 2015-09-01 | Light signal receiver |
| JP2017550135A JP6726682B2 (en) | 2015-03-25 | 2016-03-21 | Optical signal receiver |
| PCT/CN2016/076834 WO2016150360A1 (en) | 2015-03-25 | 2016-03-21 | Optical signal reception apparatus |
| EP16767737.6A EP3276856B1 (en) | 2015-03-25 | 2016-03-21 | Optical signal reception apparatus |
| KR1020177029601A KR102043091B1 (en) | 2015-03-25 | 2016-03-21 | Optical signal receiver |
| US15/710,830 US10243669B2 (en) | 2015-03-25 | 2017-09-21 | Optical signal receiving apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520674538.0U CN204993358U (en) | 2015-09-01 | 2015-09-01 | Light signal receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204993358U true CN204993358U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520674538.0U Active CN204993358U (en) | 2015-03-25 | 2015-09-01 | Light signal receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204993358U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016150360A1 (en) * | 2015-03-25 | 2016-09-29 | 深圳光启智能光子技术有限公司 | Optical signal reception apparatus |
| CN107070552A (en) * | 2017-04-07 | 2017-08-18 | 维沃移动通信有限公司 | A kind of method and device of display device state |
-
2015
- 2015-09-01 CN CN201520674538.0U patent/CN204993358U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016150360A1 (en) * | 2015-03-25 | 2016-09-29 | 深圳光启智能光子技术有限公司 | Optical signal reception apparatus |
| US10243669B2 (en) | 2015-03-25 | 2019-03-26 | Kuang-Chi Intelligent Photonic Technology Ltd. | Optical signal receiving apparatus |
| CN107070552A (en) * | 2017-04-07 | 2017-08-18 | 维沃移动通信有限公司 | A kind of method and device of display device state |
| CN107070552B (en) * | 2017-04-07 | 2019-07-26 | 维沃移动通信有限公司 | A kind of method and device showing equipment state |
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