CN217363083U

CN217363083U - Portable optical communication network transceiver

Info

Publication number: CN217363083U
Application number: CN202221344122.9U
Authority: CN
Inventors: 金爽; 谢浩浩; 潘浩锐; 黄宝吉; 吴海全; 张曼华
Original assignee: Shenzhen Laifa Lighting Communication Technology Co ltd
Current assignee: Shenzhen Laifa Lighting Communication Technology Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-02
Anticipated expiration: 2032-05-30

Abstract

The utility model provides a portable optical communication network transceiver, which comprises a shell and a circuit board, wherein the circuit board is arranged inside the shell, and a PD photodiode for receiving optical signals and a transmitter for transmitting invisible light are integrally arranged on the circuit board; the outer side of the emitter is covered with a condensing lens, so that invisible light emitted by the emitter is condensed and emitted outwards, and the PD photodiode is prevented from receiving an invisible light signal emitted by the emitter; the novel wireless communication system is novel in structure, small in size, convenient to carry and use, beneficial to popularization, capable of effectively preventing interference of signals per se and maintaining normal signal receiving and sending and smooth communication.

Description

Portable optical communication network transceiver

Technical Field

The utility model relates to the field of communication technology, more specifically relates to a portable optical communication network transceiver.

Background

In recent years, Light-Emitting Diode (LED) lighting technology has been developed rapidly. Compared with the traditional illumination light source, the white light LED has the advantages of low power consumption, long service life, small size, environmental protection, good modulation performance, high response sensitivity and the like. By utilizing the characteristics of the LED, the LED can be used for illumination, and simultaneously can modulate network signals to LED visible light beams for data transmission, thereby realizing a new optical wireless communication technology, namely the English name LightFidelity (LiFi for short).

An optical communication network transceiver is a typical application of visible light communication technology; Li-Fi means that optical wireless internet connections can be obtained as long as you have a light bulb; this also means that any street lamp can become the internet access point, promotes the coverage of internet. Because visible light can only be transmitted along a straight line, only people on the straight line of light transmission can capture information, and extremely high safety is brought. As the most dominant technology for wireless data transmission, WiFi utilizes radio frequency signals; however, radio waves occupy only a small portion of the entire electromagnetic spectrum. As the demand for wireless internet increases, less and less radio frequency spectrum is available. However, Li-Fi is visible light, and the width of the frequency spectrum of the visible light reaches 1 ten thousand times of the radio frequency spectrum. This means that visible light communication can bring higher bandwidth, and Li-Fi technology can bring data transmission speed up to 1 Gbps; however, no small-size portable optical communication network transceiving integrated device exists in the market at present, which is not beneficial to the popularization of the technology.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to solve the technical problem of providing a portable optical communication network transceiver, its novel structure, it is small, can conveniently carry and use, be favorable to promoting and popularizing to can effectively prevent the interference of self signal, maintain normal signal and connect and smooth and easy communication.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a portable optical communication network transceiver, which comprises a shell and a circuit board, wherein the circuit board is arranged inside the shell, and a PD photodiode for receiving optical signals and a transmitter for transmitting invisible light are integrally arranged on the circuit board; the outer side of the emitter is covered with the condensing lens, so that invisible light emitted by the emitter is condensed and emitted outwards, and the PD photodiode is prevented from receiving an invisible light signal emitted by the emitter.

The utility model discloses among the technical scheme of preferred, PD photodiode's quantity is 2, and two first mounting holes have been seted up to two corresponding PD photodiodes of shell, and one of them first mounting hole is opened, and fresnel lens is installed to another first mounting hole department.

The utility model discloses among the technical scheme of preferred, the outside of the first mounting hole of not installing fresnel lens is around being equipped with the cover body, and the inside of shell is located to the cover body.

The utility model discloses among the technical scheme of preferred, the cover body is narrowed, is formed the cone form structure towards the direction of keeping away from first mounting hole, and the outside at the corresponding PD photodiode is enclosed to the end of narrowing of the cover body.

The utility model discloses among the technical scheme of preferred, the quantity of transmitter is 2, and two second mounting holes have been seted up to two corresponding transmitters of shell, and the external diameter of each transmitter all covers and is equipped with condensing lens, and condensing lens installs in second mounting hole department.

In the preferred technical solution of the present invention, the housing comprises a casing and a cover, the cover is mounted at the bottom of the casing; the first mounting hole and the second mounting hole are arranged on the wall surface of the shell.

In the preferred technical scheme of the utility model, the outer wall surface of the shell is provided with a sink groove, and the first mounting hole and the second mounting hole are both arranged in the sink groove; the sink is provided with a transparent panel.

The utility model discloses among the technical scheme of preferred, the integrated installation has the USB to connect on the circuit board, and the USB connects the outside outstanding to the shell.

The utility model has the advantages that:

the utility model provides a portable optical communication network transceiver, its novel structure, including shell, circuit board, integrated installation has PD photodiode and the transmitter that is used for the invisible light of launching that is used for receiving the optical signal on the circuit board, and overall structure is compact, and is small, can conveniently carry and use, is favorable to promoting and popularizing; and the outer side of the emitter is covered with a condensing lens, so that invisible light emitted by the emitter is condensed and emitted outwards, and is prevented from being scattered to the PD photodiode, the PD photodiode is prevented from receiving invisible light signals emitted by the emitter, the interference of self signals can be effectively prevented, and normal signal receiving and emitting and smooth communication are maintained.

Drawings

Fig. 1 is a schematic perspective view of a portable optical communication network transceiver provided in an embodiment of the present invention;

fig. 2 is an exploded view of a portable optical communications network transceiver according to an embodiment of the present invention;

fig. 3 is a top view of a portable optical communications network transceiver provided in an embodiment of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

fig. 5 is an enlarged view of a portion B in fig. 4.

In the figure:

1. a transparent panel; 2. a light guide pillar; 3. a housing; 4. a condenser lens; 5. a transmitter; 6. a circuit board; 7. a cover body; 8. a Fresnel lens; 9. a PD photodiode; 10. a USB connector; 11. an end cap; 12. a first mounting hole; 13. a cover body; 14. a second mounting hole; 15. and (5) sinking the tank.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 and fig. 2, the embodiment of the present invention discloses a portable optical communication network transceiver, which includes a housing and a circuit board 6, wherein the circuit board 6 is installed inside the housing, and a PD photodiode 9 for receiving an optical signal (downlink visible light communication data emitted by an LED lamp) and a transmitter 5 for transmitting invisible light (data uplink for information transmission) are integrally installed on the circuit board 6; the outer side of the emitter 5 is covered with a condensing lens 4, so that invisible light emitted by the emitter 5 is condensed and emitted outwards, and the PD photodiode 9 is prevented from receiving an invisible light signal emitted by the emitter 5; the condenser lens 4 is installed on the shell, and a microcontroller, a data processing module, a driving circuit module, an indicator light and other various electric elements and processing modules are installed on the circuit board 6 in an integrated mode.

The portable optical communication network transceiver is novel in structure, comprises a shell and a circuit board, wherein a PD photodiode for receiving optical signals and a transmitter for transmitting invisible light are integrally installed on the circuit board, and the portable optical communication network transceiver is compact in overall structure, small in size, convenient to carry and use and beneficial to popularization; moreover, the condensing lens is covered on the outer side of the emitter, so that the invisible light emitted by the emitter is condensed and emitted outwards, and is prevented from being scattered to the PD photodiode, the PD photodiode is prevented from receiving the invisible light signal emitted by the emitter, the interference of the signal per se can be effectively prevented, and normal signal receiving and emitting and smooth communication are maintained; the data processing module, the driving circuit module, the indicator light, the emitter and the PD photodiode are all electrically connected with the microcontroller to realize the transmission and processing of electric signals; moreover, the electronic components and modules are common in the field and can be purchased and used in the market.

Further, the number of the PD photodiodes 9 is 2, the housing has two first mounting holes 12 corresponding to the two PD photodiodes 9, one of the first mounting holes 12 is open, and the other first mounting hole 12 is provided with the fresnel lens 8; through two sets of PD photodiodes, remote light signal's receipt can be realized to one of them group collocation fresnel lens, and a set of wide-angle light signal reception is realized to a set of open-type structural design in addition, and the whole receiving range that can effectual diffusion light signal for the signal is stronger, and communication network is more smooth and easy.

Further, as shown in fig. 3 to 5, a cover 13 is provided around the outside of the first mounting hole 12 where the fresnel lens 8 is not mounted, and the cover 13 is provided inside the housing; the cover body 13 narrows in the direction away from the first mounting hole 12 to form a cone-shaped structure, the narrowed end of the cover body 13 is arranged around the outer side of the corresponding PD photodiode 9, the wide-angle optical signals can be guided and collected by the cover body, so that the PD photodiode at the position can obtain a more concentrated optical signal, and the cover body is arranged on the PD photodiode close to the emitter, so that the interval between the PD photodiode and the emitter can be realized by the cover body, the signal transmission of the emitter to the PD photodiode can be further blocked, and the signal interference prevention effect can be enhanced.

Furthermore, the number of the emitters 5 is 2, and the emitters correspond to the invisible light signals which are formed by adaptive emission, so that the emission range is expanded; the shell corresponds two launchers and has seted up two second mounting holes 14, and the external diameter of each launcher 5 all covers and is equipped with condensing lens 4, and condensing lens 4 installs in second mounting hole 14 department, and the guide of signal is realized to accessible condensing lens for the more concentrated toward far department transmission of signal prevents that light signal radiation from disturbing PD photodiode's normal work to the periphery, plays anti-interference effect.

Further, the housing comprises a shell 3 and a cover 7, wherein the cover 7 is mounted at the bottom of the shell 3; the first mounting hole 12 and the second mounting hole 14 are both arranged on the wall surface of the shell 3, so that the production, the processing and the assembly can be convenient, the cost can be reduced, and the internal components can be protected to prevent damage; further, but the lid lock is installed in the bottom of casing, also can install the cooperation through the screw, can make things convenient for the dismouting to overhaul or replace the inside electrical part.

Furthermore, the outer wall surface of the shell 3 is provided with a sink 15, and the first mounting hole 12 and the second mounting hole 14 are both arranged in the sink 15; the transparent panel 1 is arranged at the sinking groove 15; the transparent panel 1 is a transparent acrylic plate, can shield the first mounting hole and the second mounting hole, ensures that invisible light and LED visible light can not transmit light, can also protect an optical lens and the like from being scratched, and also protects a PD photodiode.

Further, a USB connector 10 is integrally mounted on the circuit board 6, and the USB connector 10 protrudes to the outside of the housing for bidirectional data transmission between the device and external terminal equipment (a computer, a tablet, etc.); the outer side of the USB joint 10 is sleeved with an end cover 11 which can shield and protect the interface part.

Further, install leaded light post 2 on the casing 3, can transmit inside pilot lamp light to the outside for the different operating condition of display device.

It should be emphasized that the optical communication network transceiver provided with the transmitter and the PD photodiode according to the embodiment of the present invention can satisfy the bidirectional communication requirement of the product. It should be noted herein that the optical communication network transceiver shown in the drawings and described in the specification of the present invention is merely one example of many optical communication network transceivers that can employ the principles of the present invention. It should be clearly understood that the principles of the present invention are by no means limited to any details of the optical communications network transceiver or any component of the optical communications network transceiver shown in the drawings or described in the specification of the present invention.

It should be further noted that, in the implemented transmission process, for the downlink data transmitting end, the to-be-transmitted network data is firstly subjected to coding modulation by the data processing module, and then converted into an optical signal by the driving circuit module, and transmitted in the form of visible light communication by the LED. For the data receiving end, the information in the form of visible light is converted into the form of current through the PD photodiode, and then the information is decoded and demodulated through the data processing module to obtain the required network data.

For the uplink data sending end, the network demand data to be transmitted are firstly subjected to coding modulation through the data processing module, then the electric signals are converted into invisible light signals through the driving circuit module, and the invisible light signals are sent out in the form of invisible light communication through the invisible light emitter. For the data receiving end, the information in the invisible light form is converted into the current form through the invisible light receiver, and then the required network data is obtained through decoding and demodulation of the data processing module.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. A portable optical communication network transceiver comprises a shell and a circuit board (6), wherein the circuit board (6) is arranged inside the shell, a PD photodiode (9) for receiving optical signals and a transmitter (5) for transmitting invisible light are integrally arranged on the circuit board (6); the method is characterized in that:

the condensing lens (4) is covered on the outer side of the emitter (5) to enable invisible light emitted by the emitter (5) to be condensed and emitted outwards, and the PD photodiode (9) is prevented from receiving invisible light signals emitted by the emitter (5).

2. A portable optical communications network transceiver according to claim 1, wherein:

the number of the PD photodiodes (9) is 2, the shell is provided with two first mounting holes (12) corresponding to the two PD photodiodes (9), one first mounting hole (12) is opened, and the other first mounting hole (12) is provided with the Fresnel lens (8).

3. A portable optical communications network transceiver according to claim 2, wherein:

and a cover body (13) is arranged around the outer side of the first mounting hole (12) without the Fresnel lens (8), and the cover body (13) is arranged in the shell.

4. A portable optical communications network transceiver according to claim 3, wherein:

the cover body (13) narrows towards the direction far away from the first mounting hole (12) to form a cone-shaped structure, and the narrowed end of the cover body (13) is arranged at the outer side of the corresponding PD photodiode (9) in a surrounding mode.

5. A portable optical communications network transceiver according to claim 2, wherein:

the quantity of transmitter (5) is 2, and two second mounting hole (14) have been seted up to two transmitters of shell correspondence, and the external diameter of each transmitter (5) all covers and is equipped with condensing lens (4), and condensing lens (4) are installed in second mounting hole (14) department.

6. A portable optical communications network transceiver according to claim 4, wherein:

the shell comprises a shell body (3) and a cover body (7), and the cover body (7) is arranged at the bottom of the shell body (3);

the first mounting hole (12) and the second mounting hole (14) are both arranged on the wall surface of the shell (3).

7. A portable optical communications network transceiver according to claim 6, wherein:

a sink groove (15) is formed in the outer wall surface of the shell (3), and the first mounting hole (12) and the second mounting hole (14) are formed in the sink groove (15);

the sink groove (15) is provided with a transparent panel (1).

8. A portable optical communications network transceiver according to claim 1, wherein:

the circuit board (6) is integrally provided with a USB connector (10), and the USB connector (10) protrudes out of the shell.