CN214154520U - Infrared light communication device with relay forwarding function - Google Patents

Infrared light communication device with relay forwarding function Download PDF

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Publication number
CN214154520U
CN214154520U CN202120372318.8U CN202120372318U CN214154520U CN 214154520 U CN214154520 U CN 214154520U CN 202120372318 U CN202120372318 U CN 202120372318U CN 214154520 U CN214154520 U CN 214154520U
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infrared
signal input
signal output
input end
tube
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师羽飞
王安婧
闫晓静
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Sichuan University
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Sichuan University
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Abstract

The utility model discloses a take relay to forward infrared communication device of function, including infrared transmitting device, the relay forwards the node, infrared receiving device, the pronunciation input unit, a weighing sensor and a temperature sensor, the earphone socket, the audio amplifier, infrared transmitting device includes first infrared transmitting tube, a single-chip microcomputer, the temperature measurement module, the audio frequency processing module, a display screen, the relay forwards the node and includes second infrared receiving tube and second infrared transmitting tube, regard infrared light as carrier transmission data information through infrared communication, need not to apply for the right of use of frequency, therefore, infrared communication convenient to use, and have small, low power consumption, low price, it is convenient to connect, according to the independence propagation principle of light, no mutual interference between the infrared communication, and scattering electromagnetic wave interference does not.

Description

Infrared light communication device with relay forwarding function
Technical Field
The utility model relates to a communication device technical field especially relates to an infrared light communication device of function is forwardded in area relay.
Background
Communication device on the current market generally adopts the signal line to carry out the transmission of signal, and this kind of transmission needs the right of use of applying for the frequency, and the connecting wire is more when connecting, connects the trouble, and the connecting wire leads to the price to be expensive more. Since the 80 s of the 20 th century, the wireless communication technology has been rapidly developed, is not limited by space and time, can adopt flexible and various modes, ensures smooth and unimpeded comprehensive transmission of voice, data and images, and has the characteristics of no need of erecting complex transmission lines and flexible communication places.
The infrared communication uses infrared light as a carrier to transmit data information, and does not need to apply for the use right of frequency, so the infrared communication is convenient to use and has the characteristics of small volume, low power consumption, low price, convenient connection and the like. According to the principle of independent propagation of light, infrared communication has no mutual interference and is not afraid of scattered electromagnetic wave interference. In addition, the infrared ray emission angle is less, and transmission security is high, and is noiseless to other electronic equipment, is applicable to the occasion that needs electrical isolation and anti-jamming moreover. The project designs an infrared transmission system for transmitting analog signals and digital signals.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art, and providing an infrared light communication device with relay forwarding function.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an infrared communication device with a relay forwarding function comprises an infrared emitting device, a relay forwarding node, an infrared receiving device, a voice input device, a temperature sensor, an earphone socket and a sound box, wherein the infrared emitting device comprises a first infrared emitting tube, a first single chip microcomputer, an audio processing module and a first display screen, the relay forwarding node comprises a second infrared receiving tube and a second infrared emitting tube, the infrared receiving device comprises a first infrared receiving tube, a second single chip microcomputer, an audio power amplifier filtering module and a second display screen, the signal output end of the voice input device is connected with the signal input end of the audio processing module, the signal output end of the audio processing module and the signal output end of the temperature sensor are respectively connected with the signal input end of the first single chip microcomputer, and the signal output end of the first single chip microcomputer and the signal input end of the first display screen, The signal input part of first infrared transmitting tube is connected, the signal output part of first infrared transmitting tube is connected with the signal input part of second infrared receiving tube, the signal output part of second infrared receiving tube and the signal input part of second infrared transmitting tube are connected, the signal output part of second infrared transmitting tube is connected with the signal input part of first infrared receiving tube, the signal output part of first infrared receiving tube is connected with the signal input part of second singlechip, the signal output part of second singlechip is connected with the signal input part of audio power amplifier filter module, the signal input part of second display screen, the signal output part of audio power amplifier filter module is connected with the signal input part of earphone socket, the signal input part of audio amplifier.
Further, the infrared transmitting device transmits the voice signals to the relay forwarding node and then to the infrared receiving device, the transmission distances of the two sections are not less than 2M respectively, and the voice signals and the digital signals can be transmitted simultaneously through infrared light energy.
Further, the infrared transmitting device transmits to the relay forwarding node, and the voice signal for transmission in the process of transmitting to the infrared receiving device is input by using a phi 3.5mm audio jack line, and the frequency range is as follows: 300 and 3400 Hz.
Further, the infrared transmitting device transmits the digital signal to the relay forwarding node, and the digital signal transmitted in the process of transmitting the digital signal to the infrared receiving device is the real-time environment temperature of the transmitting end and can be displayed at the receiving end. The transmission time delay of the digital signal does not exceed 10 s.
Further, the relay forwarding node can change the optical communication direction by 90 °.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the infrared communication uses infrared light as a carrier to transmit data information, and does not need to apply for the use right of frequency, so the infrared communication is convenient to use, has small volume, low power consumption, low price and convenient connection, does not have mutual interference between the infrared communication according to the independent propagation principle of light, and is not afraid of scattering electromagnetic wave interference.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a system block diagram of an infrared communication device with relay forwarding function according to the present invention.
In the figure: the system comprises an infrared transmitting device 1, a relay forwarding node 2, an infrared receiving device 3, an earphone socket 4, a loudspeaker box 5, a voice input device 6, a temperature sensor 7, a first infrared transmitting tube 8, a first single chip microcomputer 9, a second infrared receiving tube 10, an audio processing module 11, a first display screen 12, a second infrared transmitting tube 13, a first infrared receiving tube 14, an audio power amplifier filtering module 15, a second display screen 16 and a second single chip microcomputer 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1, an infrared communication device with a relay forwarding function includes an infrared emitting device 1, a relay forwarding node 2, an infrared receiving device 3, a voice input device 6, a temperature sensor 7, an earphone socket 4, and a sound box 5, where the relay forwarding node 2 can change an optical communication direction by 90 °, the infrared emitting device 1 transmits to the relay forwarding node 2, and then transmits to the infrared receiving device 3, a digital signal transmitted in a process is a real-time environment temperature of an emitting end, and can be displayed at a receiving end. The transmission time delay of the digital signal does not exceed 10s, the infrared transmitting device 1 transmits the digital signal to the relay forwarding node 2, and the voice signal for transmission in the process of transmitting the digital signal to the infrared receiving device 3 is input by adopting an audio jack line with phi 3.5mm, and the frequency range is as follows: 300-3400 Hz, the infrared transmitting device 1 is transmitted to the relay forwarding node 2 and then transmitted to the infrared receiving device 3, the two transmission distances are not less than 2M respectively, the simultaneous transmission of the voice signal and the digital signal is realized through the infrared light energy, the infrared transmitting device 1 comprises a first infrared transmitting tube 8, a first single chip microcomputer 9, an audio processing module 11 and a first display screen 12, the first display screen 12 and a second display screen 16 are OLED relay forwarding nodes 2 and comprise a second infrared receiving tube 10 and a second infrared transmitting tube 13, the infrared receiving device 3 comprises a first infrared receiving tube 14, a second single chip microcomputer 17, an audio power amplification filtering module 15 and a second display screen 16, the models of the first single chip microcomputer 9 and the second single chip microcomputer 17 are stm32f103zet6, the signal output end of the voice input device 6 is connected with the signal input end of the audio processing module 11, the signal output end of the audio processing module 11 and the signal output end of the temperature sensor 7 are both connected with the signal output end of the first single chip microcomputer 9 A temperature measuring module is arranged in the first single chip microcomputer 9, the signal input end of the first single chip microcomputer 9 is connected with the signal output end of the temperature sensor 7, namely the signal input end of the temperature measuring module is connected with the signal output end of the temperature sensor 7, the signal output end of the first single chip microcomputer 9 is connected with the signal input end of the first display screen 12 and the signal input end of the first infrared transmitting tube 8, the models of the first infrared transmitting tube 8 and the second infrared receiving tube 10 are both SN74LVC1G14DBV, the signal output end of the first infrared transmitting tube 8 is connected with the signal input end of the second infrared receiving tube 10, the signal output end of the second infrared receiving tube 10 is connected with the signal input end of the second infrared transmitting tube 13, the signal output end of the second infrared transmitting tube 13 is connected with the signal input end of the first infrared receiving tube 14, the signal output end of the first infrared receiving tube 14 is connected with the signal input end of the second infrared receiving tube 17, the signal output end of the second single chip microcomputer 17 is connected with the signal input end of the audio power amplifier filtering module 15 and the signal input end of the second display screen 16, and the signal output end of the audio power amplifier filtering module 15 is connected with the signal input end of the earphone socket 4 and the signal input end of the sound box 5.
The utility model discloses a theory of operation and use flow: direct transmission of digital temperature and voice signals at a distance of 2m and transmission of relay forwarding nodes 2 at a distance of 2m +2m are achieved through infrared light signals, all index requirements of an experiment are met, the experiment adopts a frequency division multiplexing mode, and a receiving end successfully separates two paths of signals through a filter.
The transmitted voice signal is input by an audio jack line, the frequency range is 300-3400 Hz, the received sound has no obvious distortion, when the voice signal of the voice input device 6 is changed into 800Hz single-tone signal, the effective value of the output voltage of the infrared receiving device 3 is larger than 0.4V on an 8 ohm resistor load, the amplitude value of the input signal of the transmitting end is reduced to OV, a low-frequency voltmeter is adopted, and the noise voltage of the output end of the first infrared transmitting tube 8 is smaller than 0.1V. When the infrared receiving device 3 cannot receive the signal transmitted from the transmitting end, the light emitting tube of the receiving end is turned on to indicate that the signal is not received.
When the temperature of the transmitting end changes, the receiving end can monitor and display the temperature on the first display screen 12 and the second display screen 16 in real time, the voice signal and the temperature signal can be transmitted simultaneously, the receiving end does not need to be independent, the transmission delay is less than 10s, the measured temperature error is less than 1 ℃, the requirement is met, and the ambient temperature of the transmitting end can be measured in real time.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a take relay to forward infrared communication device of function, includes infrared emitter (1), relay and forwards node (2), infrared receiving device (3), voice input ware (6), temperature sensor (7), earphone socket (4), audio amplifier (5), its characterized in that: the infrared transmitting device (1) comprises a first infrared transmitting tube (8), a first single chip microcomputer (9), an audio processing module (11) and a first display screen (12), the relay forwarding node (2) comprises a second infrared receiving tube (10) and a second infrared transmitting tube (13), the infrared receiving device (3) comprises a first infrared receiving tube (14), a second single chip microcomputer (17), an audio power amplifier filtering module (15) and a second display screen (16), the signal output end of the voice input device (6) is connected with the signal input end of the audio processing module (11), the signal output end of the audio processing module (11) and the signal output end of the temperature sensor (7) are connected with the signal input end of the first single chip microcomputer (9), and the signal output end of the first single chip microcomputer (9) is connected with the signal input end of the first display screen (12), The signal input end of the first infrared transmitting tube (8) is connected, the signal output end of the first infrared transmitting tube (8) is connected with the signal input end of the second infrared receiving tube (10), the signal output end of the second infrared receiving tube (10) is connected with the signal input end of the second infrared transmitting tube (13), the signal output end of the second infrared transmitting tube (13) is connected with the signal input end of the first infrared receiving tube (14), the signal output end of the first infrared receiving tube (14) is connected with the signal input end of the second singlechip (17), the signal output end of the second singlechip (17) is connected with the signal input end of the audio power amplifier filtering module (15) and the signal input end of the second display screen (16), and the signal output end of the audio power amplifier filtering module (15) is connected with the signal input end of the earphone socket (4) and the signal input end of the sound box (5).
2. The infrared optical communication device with relay forwarding function as claimed in claim 1, wherein: the infrared transmitting device (1) transmits the voice signals to the relay forwarding node (2) and then transmits the voice signals to the infrared receiving device (3), the transmission distances of the two sections are not less than 2M, and the voice signals and the digital signals are transmitted simultaneously through infrared light energy.
3. The infrared optical communication device with relay forwarding function as claimed in claim 1, wherein: the infrared transmitting device (1) transmits the voice signals to the relay forwarding node (2) and then transmits the voice signals to the infrared receiving device (3) in the process of being input by an audio jack line with phi 3.5mm, and the frequency range is as follows: 300 and 3400 Hz.
4. The infrared optical communication device with relay forwarding function as claimed in claim 1, wherein: the infrared transmitting device (1) transmits the digital signals to the relay forwarding node (2) and then transmits the digital signals to the infrared receiving device (3), the real-time environment temperature of the transmitting end is obtained, the digital signals can be displayed at the receiving end, and the transmission delay of the digital signals does not exceed 10 s.
5. The infrared optical communication device with relay forwarding function as claimed in claim 1, wherein: the relay forwarding node (2) is capable of changing the optical communication direction by 90 °.
CN202120372318.8U 2021-02-09 2021-02-09 Infrared light communication device with relay forwarding function Active CN214154520U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120372318.8U CN214154520U (en) 2021-02-09 2021-02-09 Infrared light communication device with relay forwarding function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120372318.8U CN214154520U (en) 2021-02-09 2021-02-09 Infrared light communication device with relay forwarding function

Publications (1)

Publication Number Publication Date
CN214154520U true CN214154520U (en) 2021-09-07

Family

ID=77553565

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120372318.8U Active CN214154520U (en) 2021-02-09 2021-02-09 Infrared light communication device with relay forwarding function

Country Status (1)

Country Link
CN (1) CN214154520U (en)

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