CN105179959A - Adjustable illumination communication device and system - Google Patents

Abstract

The invention discloses an adjustable lighting communication device and system, wherein the device includes a lamp body, a first-band LED, an adjustable first-band shading cover, and a control circuit, and the first-band LED is arranged on the lamp body. An adjustment device is provided on the adjustable first-band shading cover, the adjustable first-band shading cover is cylindrical, and is sleeved on the lamp body through the adjusting device to block the light emitted by the first-band LED, In addition, the adjusting device adjusts the shielding range of the light emitted by the first-waveband LED by adjusting the relative position of the first-wavelength shading cover and the lamp body. In this way, the distribution range of the optical communication signal can be adjusted by adjusting the first band shading cover, thereby enhancing privacy.

Description

Adjustable Lighting Communication Devices and Systems

technical field

The invention relates to an adjustable lighting communication device and system, belonging to the technical field of lighting and optical communication.

Background technique

With the continuous improvement of light-emitting diode (LED) luminous power and luminous efficiency, it has gradually become a new generation of mainstream lighting appliances. Since LED is a current-mode semiconductor device, the intensity of light can be changed by controlling the driving current, so as to achieve the purpose of carrying signals. That is to say, the LED can be used as a light source to transmit information in free space. And because the LED emits soft and direct incoherent light, it will not damage the human body like a highly coherent laser, nor will it be restricted by the radio wave law like a wireless carrier, and there will be information leakage. In this way, we can use the existing lighting infrastructure to construct such a ubiquitous mobile communication environment. In this environment, as long as there is illumination light, information exchange can be carried out without setting up special communication equipment. And there is no need to worry about information leakage and affecting others.

When deploying LED lighting communication products, it is necessary to ensure a certain degree of privacy, but also to ensure that the signal reception is stable and reliable, and at the same time avoid interference between different lighting communication lights. It is very necessary to solve related problems through debugging on site.

Contents of the invention

Purpose of the invention: The purpose of the invention is to solve the technical problem of insufficient privacy of LED lighting communication products. Therefore, we designed an on-site adjustable lighting communication device, so that the distance between the light outlet of the lamp tube and the wick can be adjusted according to the needs of the project site display, so as to realize the range of lighting and communication, and solve the above problems.

Technical solution: The adjustable lighting communication device according to the present invention includes a lamp body, a first-band LED, an adjustable first-band shading cover, and a control circuit. The first-band LED is arranged on the lamp body, and the adjustable An adjusting device is provided on the first-band shading cover, the adjustable first-band shading cover is cylindrical, and is sleeved on the lamp body through the adjusting device to block the light emitted by the first-band LED, and the The adjustment device adjusts the shielding range of the light emitted by the first-waveband LED by adjusting the relative position of the first-wavelength shading cover and the lamp body. In this way, the distribution range of the optical communication signal can be adjusted by adjusting the first band shading cover, thereby enhancing privacy.

One embodiment of the adjustment device of the adjustable lighting communication device of the present invention is that an internal thread is provided in the first band shade as the adjustment device, and an external thread that cooperates with the internal thread of the adjustment device is provided on the outside of the lamp body. , the first band shading cover adjusts its shielding range for the light emitted by the first band LED by rotating up and down to adjust its relative position with the lamp body. Such setting facilitates quick adjustment of the signal distribution range.

Another embodiment of the adjustment device of the adjustable lighting communication device of the present invention is that an adjustment screw and a number of adjustment screw holes are provided on the first band shading cover as the adjustment device, and the adjustment screw passes through the adjustment screw holes to connect the first The band shading cover is fixed on the lamp body, and the adjustment screw passes through different adjusting screw holes to adjust the relative position between the first band shading cover and the lamp body, thereby adjusting its shielding of the light emitted by the first band LED scope. The adjustment device can be the first type of screw rotation type above, or the second type of screw screw hole fixed type, and can also be set to the inner wall of the lamp tube designed with upper and lower rails, built-in spring buckle type, net-mounted push-pull type, etc. way to complete the adjustment of the shading range of the hood.

Further, it also includes a second-band LED, and the first-band light-shield is a first-band light-shield made of a second-band LED material, the second-band LED is connected to the control circuit, and the first-band LED connected to the control circuit. In this way, the second-band LED can be used as lighting or communication light. When used as communication light, its communication range will not be affected by the hood, thus taking into account different privacy communication requirements.

Further, the second band LED is a white LED, and the first band LED is an infrared band LED. When used as a lighting light, its lighting range will not be affected by the hood.

Further, the control circuit includes a power supply module, an optical modulation control module, and an information storage medium, and the power switch provides power to the optical modulation control module, and the optical modulation control module reads the data in the information storage medium and sends it to the first One-band LEDs and/or second-band LEDs. When only data is sent to the second-band LED, it is equivalent to only using the second-band LED as illumination light.

Further, it also includes a third band LED and a fourth band LED, and the third band LED and the fourth band LED are respectively connected to the control circuit.

Further, the second band LED is a blue band LED, the first band LED is an ultraviolet band LED, the third band LED is a green band LED, and the fourth band LED is a red band LED.

The present invention also includes the adjustable lighting communication system of any of the above adjustable lighting communication devices, which is characterized in that it also includes a receiver (7), and the receiver includes a solar battery, a band-pass filter, an earphone, The light signal emitted by the LED in the first band passes through the band-pass filter and is received by the solar cell. The solar cell supplies power and drives the light signal demodulation circuit, and then transmits the demodulated sound signal to the earphone.

In the present invention, the wavelength range of blue light is 435-450nm, the range of ultraviolet light is 100-400nm, the range of green light is 492-577nm, and the range of red light is 622-760nm.

Compared with the prior art, the invention has the beneficial effect that the adjustable lighting communication device of the invention can freely adjust the range of lighting and communication, so as to enhance the privacy of communication.

Description of drawings

Fig. 1 is a schematic diagram of an embodiment of the adjustable lighting communication device of the present invention;

Fig. 2 is a schematic diagram of another embodiment of the adjustable lighting communication device of the present invention;

Fig. 3 is a schematic block diagram of the structure of the adjustable lighting communication device of the present invention.

Detailed ways

The technical solutions of the present invention will be described in detail below, but the protection scope of the present invention is not limited to the embodiments.

Example 1:

As shown in Figure 1, this embodiment includes a lamp body 1, a control circuit 17, and a cylindrical first-band shading cover 11 set on the lamp body 1, and the first-band shading cover 11 passes through an internal thread 14 provided therein. The lamp body 1 can be rotated to adjust the up and down position. And the first band LED2 is just arranged on the bottom of lamp body 1, and the light that the first band LED2 sends like this promptly is blocked by the first band shading cover 11, and can adjust the light of the first band LED2 by adjusting the first band shading cover 11. Irradiation range. In this embodiment, the second band LED3 , the third band LED12 and the fourth band LED13 are also provided to be connected to the control circuit 17 respectively. The second band LED is a blue light band LED, the first band LED is an infrared band LED, the third band LED is a green light band LED, and the fourth band LED is a red light band LED.

As shown in Figure 3, the control circuit includes a power supply module 5, an optical modulation control module 6, and an information storage medium 4, the power supply module 5 supplies power to the optical modulation control module 6, and the optical modulation control module 6 reads the information storage medium 4 and send the data in the first band LED2 and/or the second band LED2. The receiver includes a solar cell 8, a band-pass filter 9, and an earphone 10. The light signal sent by the first band LED2 passes through the band-pass filter 9 and is received by the solar cell 8, and is powered by the solar cell 8 and drives light The signal demodulation circuit transmits the demodulated sound signal to the earphone 10 .

Example 2:

As shown in Figure 2, this embodiment includes a lamp body 1, a control circuit 17, and a cylindrical first-band shading cover 11 set on the lamp body 1, and the first-band shading cover 11 passes through the first wavelength band through screws 15. One of several adjusting screw holes 16 on the shading cover 11 is fixed on the lamp body 1 , and the up and down positions can be adjusted by passing through different adjusting screw holes 16 . And the first band LED2 is just arranged on the bottom of lamp body 1, and the light that the first band LED2 sends like this promptly is blocked by the first band shading cover 11, and can adjust the light of the first band LED2 by adjusting the first band shading cover 11. Irradiation range. In this embodiment, the second band LED3 , the third band LED12 and the fourth band LED13 are also provided to be connected to the control circuit 17 respectively. The second band LED is a blue band LED, the first band LED is an infrared band LED, the third band LED is a green band LED, and the fourth band LED is an ultraviolet band LED.

As shown in Figure 3, the control circuit includes a power supply module 5, an optical modulation control module 6, and an information storage medium 4, the power supply module 5 supplies power to the optical modulation control module 6, and the optical modulation control module 6 reads the information storage medium 4 and send the data in the first band LED2 and/or the second band LED2. The receiver includes a solar cell 8, a band-pass filter 9, and an earphone 10. The light signal sent by the first band LED2 passes through the band-pass filter 9 and is received by the solar cell 8, and is powered by the solar cell 8 and drives light The signal demodulation circuit transmits the demodulated sound signal to the earphone 10 .

As stated above, while the invention has been shown and described with reference to certain preferred embodiments, this should not be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. An adjustable lighting communication device, characterized in that it includes a lamp body (1), a first-band LED (2), an adjustable first-band shading cover (11), and a control circuit (17), belonging to the first-band The LED (2) is arranged on the lamp body (1), and an adjusting device is arranged on the adjustable first-band shading cover (11), the adjustable first-band shading cover (11) is cylindrical, And the adjustment device is sleeved on the lamp body (1) to block the light emitted by the first band LED (2), and the adjustment device adjusts the first band shading cover (11) and the lamp body (1) ) to adjust its shielding range for the light emitted by the first waveband LED (2). 2. The adjustable lighting communication device according to claim 1, characterized in that, an internal thread (14) is provided in the first band shading cover (11) as an adjustment device, and the outside of the lamp body (1) is provided with There is an external thread that cooperates with the internal thread (14) of the adjustment device, and the first-band light shield (11) adjusts its relative position to the first-band LED by rotating up and down to adjust the relative position between it and the lamp body (1). The occlusion range of emitted light. 3. The adjustable lighting communication device according to claim 1, characterized in that, an adjusting screw (15) and several adjusting screw holes (16) are arranged on the first band shading cover (11) as an adjusting device, so that The adjustment screw (15) passes through the adjustment screw hole (16) to fix the first band shade (11) on the lamp body (1), and the adjustment screw (15) passes through different adjustment screw holes (16) The relative position of the first-waveband shading cover (11) and the lamp body (1) can be adjusted, so as to adjust its shielding range for the light emitted by the first-waveband LED (2). 4. The adjustable lighting communication device according to any one of claims 1-3, characterized in that it further comprises a second-band LED (2), and the first-band shading cover (11) is transparent to the second-band LED ( 2) A first-waveband shading cover (11) made of wave-band material, the second-wavelength LED (2) is connected to the control circuit, and the first-wavelength LED (2) is connected to the control circuit. 5. The adjustable lighting communication device according to claim 4, wherein the second band LED (2) is a white light LED, and the first band LED (1) is an infrared band LED. 6. The adjustable lighting communication device according to claim 4, characterized in that, the control circuit comprises a power module (5), a light modulation control module (6), an information storage medium (4), and the power module ( 5) Powering the light modulation control module (6), the light modulation control module (6) reads the data in the information storage medium (4) and sends it to the first band LED (2) and/or the second band LED ( 2). 7. The adjustable lighting communication device according to claim 4, characterized in that it further comprises a third band LED (12), a fourth band LED (13), the third band LED (12) and the fourth band The LEDs (13) are respectively connected to the control circuit. 8. The adjustable lighting device according to claim 7, characterized in that, the second band LED (2) is a blue band LED, the first band LED (1) is an ultraviolet band LED, and the third band LED ( 12) is a green band LED, and the fourth band LED (13) is a red band LED. 9. The adjustable illuminable communication system comprising the adjustable illuminable communication device according to any one of claims 1 to 8, characterized in that it further comprises a receiver (7), the receiver comprising a solar cell, a band-pass filter . Earphones. The optical signal emitted by the LED in the first band passes through the band-pass filter and is received by the solar cell. The solar cell supplies power and drives the optical signal demodulation circuit, and transmits the demodulated sound signal to the earphone.