CN204272129U - The light signal receiving and transmitting apparatus of integration packaging visible light communication - Google Patents
The light signal receiving and transmitting apparatus of integration packaging visible light communication Download PDFInfo
- Publication number
- CN204272129U CN204272129U CN201420469474.6U CN201420469474U CN204272129U CN 204272129 U CN204272129 U CN 204272129U CN 201420469474 U CN201420469474 U CN 201420469474U CN 204272129 U CN204272129 U CN 204272129U
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- light
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- transmitting apparatus
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Abstract
The utility model discloses a kind of light signal receiving and transmitting apparatus of novel integration packaging visible light communication, and it had both had provides illumination functions, has again the function sending light modulating signal and receive infrared signal.This device adopts a plural number white light LEDs (Light Emitting Diode) to be welded on PCB(Printed Circuit Board) plate periphery, infrared sensor is welded on the form in the middle of pcb board.Control circuit controls the light signal downlink of white light LEDs, and infrared sensor to the reception of uplink optical signal, thus reaches the object of optical communication.
Description
Technical field
The utility model belongs to technical field of photo communication, particularly relates to a kind of light signal receiving and transmitting apparatus of integration packaging visible light communication.
Background technology
Along with the development of semiconductor technology, LED lamp has the features such as low in energy consumption, long service life, size are little, environmental protection more and more outstanding, and the response time of LED is short especially, and these features make LED can be used for communication.At present, use the receiving element of visible light communication and transmitting element substantially or separately to design, be installed separately, resource compares waste.
Summary of the invention
In view of the defect that above-mentioned prior art exists, the purpose of this utility model is the light signal receiving and transmitting apparatus proposing a kind of integration packaging visible light communication, by transmitting element, receiving element and control unit integration packaging on same circuit board, white light LEDs can also realize the down link communicated while can realizing illuminating effect, and infrared receiver realizes communication uplink.
The purpose of this utility model will be achieved by the following technical programs:
A kind of light signal receiving and transmitting apparatus of integration packaging visible light communication, it comprises: a transmitting element, a receiving element and a control unit, described transmitting element comprises: LED and signal modulation circuit, the input of described signal modulation circuit receives network signal input, and the output of described signal modulation circuit is connected with described LED;
Described receiving element comprises visible-light detector part, and the input of described visible-light detector part receives visible light signal, and the output of described visible-light detector part connects amplifying circuit, filter circuit and decoding circuit successively.
Preferably, described visible-light detector part is provided with the lens for strengthening light signal quantities received.
Preferably, described visible-light detector part is photoelectric sensor.
Preferably, described LED is white LED lamp.
Preferably, described amplifying circuit is the two-stage amplifying circuit be made up of LT1807 chip, and described two-stage amplifying circuit is combined by pre-amplification circuit and main amplifying circuit and forms.
Preferably, described filter circuit is second order high-pass filtering circuit.
Outstanding effect of the present utility model is: the light signal receiving and transmitting apparatus of a kind of integration packaging visible light communication of the present utility model achieves signal receiving circuit, signal transmission circuit, and the integrated package of control unit, effectively improves resource utilization.
Below just accompanying drawing in conjunction with the embodiments, is described in further detail embodiment of the present utility model, is easier to understand, grasp to make technical solutions of the utility model.
Accompanying drawing explanation
Fig. 1 is the PCB electrical block diagram of the utility model embodiment;
Fig. 2 is the PCB component arranging schematic diagram of the utility model embodiment;
Fig. 3 is the PCB component arranging schematic diagram of the utility model embodiment;
Fig. 4 is the PCB various parts arrangement schematic diagram of the utility model embodiment;
Fig. 5 is the signal transmission circuit figure of the utility model embodiment;
Fig. 6 is the LED drive circuit figure of the utility model embodiment;
Fig. 7 encapsulates light type analogous diagram shown in Fig. 2;
Fig. 8 encapsulates light type analogous diagram shown in Fig. 3.
Embodiment
Embodiment
The light signal receiving and transmitting apparatus of a kind of integration packaging visible light communication of the present embodiment, comprises white light LEDs 1 and sends modulation control circuit 2; High sensitivity photodiode 3, Signal reception modulation circuit 4 and the lens 5 for strengthening light signal reception; Send modulation control circuit 2 and comprise signal modulation circuit and LED lamp drive circuit.The input of signal modulation circuit receives network signal input, and the output of signal modulation circuit is connected with the LED 1 for transmitting; LED 1 is driven by LED lamp drive circuit.Receiving element comprises visible-light detector part 3, and visible-light detector part 4 is provided with the lens 5 for strengthening light signal quantities received.Visible-light detector part 3 receives visible light signal, and the output of visible-light detector part 3 connects amplifying circuit successively, filter circuit and decoding circuit.
Wherein Fig. 2 ~ Fig. 4 is several packing forms of Fig. 1, also has multiple mapping mode just not list one by one.In the drawings, triangle represents photoelectric sensor, and little rectangle represents LED, and square and the outer field circle of triangle represent lens, and peripheral rectangle and circle represent pcb board.
Fig. 2 with Fig. 3 compares, and in Fig. 2, LED is arranged in the middle of lamp plate, and surrounding is photoelectric sensor, and in Fig. 3, photoelectric sensor is arranged in the middle of lamp plate, and LED is arranged in surrounding.Use Cree XP-E as LED prototype, use TracePro to carry out optical simulation, as illustrated in figs. 7 and 8, from light type figure, the lighting angle of two kinds of mode packaging lamps, all about 116 °, does not have any difference to the light type under two kinds of different arrangements.
Optionally, signal modulation circuit adopts OOK modulation system.LED is white LED lamp.Visible-light detector part is for having highly sensitive photoelectric sensor.Amplifying circuit is the two-stage amplifying circuit that the employing pre-amplification circuit that is made up of LT1807 chip and main amplifying circuit combine.Filter circuit is second order high-pass filtering circuit.
As shown in Figure 5.Network signal reaches on MCU 51 by netting twine, through MCU process, becomes differential signal, then gives transmitter module 52, becomes the single-ended signal controlling LED 53 through processing of circuit, causes LED 53 to send the light of band signal.This circuit has very high switching rate.
As shown in Figure 6, photoelectric detector PD 61 can detect light signal, and converts the signal of telecommunication to, and through the amplification of receiver module 62, filtering, to compare etc. and be processed into differential signal and issue MCU 63, then be processed into ethernet signal through MCU 63, send through netting twine.
A kind of application be encapsulated in based on the system integration on visible light communication of the present embodiment, achieves systematized circuit design thinking, and the wiring space of the effective circuit board saved, has saved cost simultaneously.
The utility model still has numerous embodiments, all employing equivalents or equivalent transformation and all technical schemes formed, and all drops within protection range of the present utility model.
Claims (6)
1. the light signal receiving and transmitting apparatus of an integration packaging visible light communication, it comprises: a transmitting element, a receiving element and a control unit, it is characterized in that, described transmitting element comprises: LED and signal modulation circuit, the input of described signal modulation circuit receives network signal input, and the output of described signal modulation circuit is connected with described LED;
Described receiving element comprises visible-light detector part, and the input of described visible-light detector part receives visible light signal, and the output of described visible-light detector part connects amplifying circuit, filter circuit and decoding circuit successively.
2. the light signal receiving and transmitting apparatus of integration packaging visible light communication according to claim 1, is characterized in that, described visible-light detector part is provided with the lens for strengthening light signal quantities received.
3. the light signal receiving and transmitting apparatus of integration packaging visible light communication according to claim 2, is characterized in that, described visible-light detector part is photoelectric sensor.
4. the light signal receiving and transmitting apparatus of integration packaging visible light communication according to claim 1, is characterized in that, described LED is white LED lamp.
5. the light signal receiving and transmitting apparatus of integration packaging visible light communication according to claim 1, it is characterized in that, described amplifying circuit is the two-stage amplifying circuit be made up of LT1807 chip, and described two-stage amplifying circuit is combined by pre-amplification circuit and main amplifying circuit and forms.
6. the light signal receiving and transmitting apparatus of integration packaging visible light communication according to claim 1, is characterized in that, described filter circuit is second order high-pass filtering circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420469474.6U CN204272129U (en) | 2014-08-20 | 2014-08-20 | The light signal receiving and transmitting apparatus of integration packaging visible light communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420469474.6U CN204272129U (en) | 2014-08-20 | 2014-08-20 | The light signal receiving and transmitting apparatus of integration packaging visible light communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204272129U true CN204272129U (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420469474.6U Expired - Fee Related CN204272129U (en) | 2014-08-20 | 2014-08-20 | The light signal receiving and transmitting apparatus of integration packaging visible light communication |
Country Status (1)
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| CN (1) | CN204272129U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105049119A (en) * | 2015-09-09 | 2015-11-11 | 苏州昭创光电技术有限公司 | Visible light both-way communication system |
| CN106027147A (en) * | 2016-04-29 | 2016-10-12 | 东北电力大学 | Internet-based visible light receiving-transmitting all-in-one system |
| CN113178504A (en) * | 2021-03-10 | 2021-07-27 | 厦门大学 | Synchronous uplink and downlink light illumination communication single-chip device and manufacturing method and application thereof |
-
2014
- 2014-08-20 CN CN201420469474.6U patent/CN204272129U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105049119A (en) * | 2015-09-09 | 2015-11-11 | 苏州昭创光电技术有限公司 | Visible light both-way communication system |
| CN106027147A (en) * | 2016-04-29 | 2016-10-12 | 东北电力大学 | Internet-based visible light receiving-transmitting all-in-one system |
| CN113178504A (en) * | 2021-03-10 | 2021-07-27 | 厦门大学 | Synchronous uplink and downlink light illumination communication single-chip device and manufacturing method and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20180820 |