CN206413011U - A kind of LED based on visible light communication - Google Patents

A kind of LED based on visible light communication Download PDF

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Publication number
CN206413011U
CN206413011U CN201621422913.3U CN201621422913U CN206413011U CN 206413011 U CN206413011 U CN 206413011U CN 201621422913 U CN201621422913 U CN 201621422913U CN 206413011 U CN206413011 U CN 206413011U
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China
Prior art keywords
circuit
led
injection circuit
radio frequency
secondary signal
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CN201621422913.3U
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Inventor
王东方
吴克涛
丁智华
林勇
章浦军
涂承谦
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Fujian Billion Kun Communications Ltd By Share Ltd
Ningde Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Fujian Billion Kun Communications Ltd By Share Ltd
Ningde Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Abstract

The utility model provides a kind of LED based on visible light communication, LED lamp bead including at least one, also include communication module, circuit board, LED supply lines, the communication module includes the first injection circuit, secondary signal injection circuit, radio frequency reception antenna and radio frequency receiving circuit, power line is connected with first injection circuit, first injection circuit is electrically connected with the secondary signal injection circuit, the secondary signal injection circuit is connected with the LED supply lines, the LED supply lines is connected with the LED lamp bead, the radio frequency reception antenna is connected with the radio frequency receiving circuit, the radio frequency receiving circuit is connected with first injection circuit, the communication module and the LED lamp bead are each attached on the circuit board.The LED can both realize downlink communication, can also realize uplink communication, easy-to-use.

Description

A kind of LED based on visible light communication
Technical field
The utility model is related to technical field of visible light communication, more particularly to a kind of LED based on visible light communication.
Background technology
The current LED applied to visible light communication can realize visible ray downlink communication, but can not carry out stabilization Uplink communication, be that the practical application of visible light communication brings difficulty.
Utility model content
Technical problem to be solved in the utility model is:Downlink communication can both be realized by providing one kind, can also be realized up The LED based on visible light communication of communication.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of LED based on visible light communication, includes the LED lamp bead of at least one, in addition to communication module, circuit Plate, LED supply lines, the communication module include the first injection circuit, secondary signal injection circuit, radio frequency reception antenna and Radio frequency receiving circuit, power line is connected with first injection circuit, first injection circuit with it is described Secondary signal injection circuit is electrically connected, and the secondary signal injection circuit is connected with the LED supply lines, the LED supply lines Electrically connected with the LED lamp bead, the radio frequency reception antenna is electrically connected with the radio frequency receiving circuit, the less radio-frequency Receiving circuit is electrically connected with first injection circuit, and the communication module and the LED lamp bead are each attached to the electricity On the plate of road.
Further, the power supply that the LED supply lines two ends are provided is DC constant current power supply.
Further, the secondary signal injection circuit includes input coil and output winding, the secondary signal injection The input coil of circuit is electrically connected with first injection circuit, the output winding series connection of the secondary signal injection circuit In the negative pole of the LED supply lines.
Further, the secondary signal injection circuit and the LED supply lines impedance matching.
Further, the communication module also includes amplifying circuit, and the amplifying circuit injects positioned at first signal Between circuit and the secondary signal injection circuit, or positioned at the radio frequency receiving circuit and first signal injection Between circuit.
Further, first injection circuit is termination power, and the termination power includes magnet ring, wears magnet ring In sub-power lines and at least signal wire of the circle of winding one, the sub-power lines are wherein one in zero line or live wire.
Further, first injection circuit includes electric capacity and transformer, the primary side winding two of the transformer A wherein termination in termination is connected by electric capacity with wherein one in power network zero line or power network live wire, and another termination connects Ground, wherein, the signified ground for transformer neutral point is grounded, or refer to the ground of wiring board.
Further, the transformer is variable transformer, and the electric capacity is variable capacitance.
The beneficial effects of the utility model are:The signal of power line injects through the first injection circuit, secondary signal Circuit reaches LED supply lines, then is sent through LED lamp bead, realizes visible ray downlink communication, radio frequency reception antenna is received Signal reaches power line after radio frequency receiving circuit, the first injection circuit, realizes less radio-frequency uplink communication, communication Module and LED lamp bead are each attached on circuit board, and LED supply lines is electrically connected with LED lamp bead, then the LED in itself have can See two kinds of communication modes of light downlink communication and radio frequency uplink communication, it is easy to use without external supporting communication module.
Brief description of the drawings
Fig. 1 is the structural representation of the LED based on visible light communication of the utility model embodiment one.
Fig. 2 is the structured flowchart of the LED based on visible light communication of the utility model embodiment one.
The structural representation that Fig. 3 is connected for the secondary signal injection circuit of the utility model embodiment one with LED supply lines.
Fig. 4 is the structural representation of the first injection circuit of the utility model embodiment one.
Fig. 5 is located at the first injection circuit and secondary signal injection electricity for the amplifying circuit of the utility model embodiment two The structured flowchart of LED between road.
Fig. 6 is located at radio frequency receiving circuit for the amplifying circuit of the utility model embodiment two and injects electricity with the first signal The structured flowchart of LED between road.
Fig. 7 is the structural representation of the first injection circuit of the utility model embodiment two.
Label declaration:
1st, LED lamp bead;10th, power line;2nd, communication module;3rd, LED supply lines;4th, circuit board;5th, the first signal injection electricity Road;51st, magnet ring;52nd, sub-power lines;53rd, signal wire;54th, electric capacity;55th, transformer;6th, secondary signal injection circuit;61st, input Coil;62nd, output winding;7th, radio frequency reception antenna;8th, radio frequency receiving circuit;9th, amplifying circuit.
Embodiment
To describe technology contents of the present utility model, the objects and the effects in detail, below in conjunction with embodiment and match somebody with somebody Accompanying drawing is closed to be explained.
The design of the utility model most critical is:There is the first injection circuit, secondary signal simultaneously in LED Injection circuit and radio frequency receiving circuit, make LED both to realize visible ray downlink communication, can also realize that radio frequency is up logical Letter, it is convenient to communicate.
Fig. 1 to Fig. 7 is refer to, the utility model provides a kind of LED based on visible light communication, including at least one LED lamp bead 1, in addition to communication module 2, circuit board 4, LED supply lines 3, the communication module 2 includes the first signal and injects electricity Road 5, secondary signal injection circuit 6, radio frequency reception antenna 7 and radio frequency receiving circuit 8, power line 10 and first signal Injection circuit 5 is connected, and first injection circuit 5 is electrically connected with the secondary signal injection circuit 6, the secondary signal Injection circuit 6 is connected with the LED supply lines 3, and the LED supply lines 3 is electrically connected with the LED lamp bead 1, the radio frequency reception Antenna 7 is electrically connected with the radio frequency receiving circuit 8, and the radio frequency receiving circuit 8 injects electricity with first signal Road 5 is electrically connected, and the communication module 2 and the LED lamp bead 1 are each attached on the circuit board 4.
Further, the power supply that the two ends of LED supply lines 3 are provided is DC constant current power supply.
Seen from the above description, the power supply that the two ends of LED supply lines 3 are provided is DC constant current power supply, then the LED lamp bead 1 has The advantage of stable work in work.
Further, the secondary signal injection circuit 6 includes input coil 61 and output winding 62, the secondary signal The input coil 61 of injection circuit 6 is electrically connected with first injection circuit 5, the secondary signal injection circuit 6 it is defeated Go out the negative pole that coil 62 is connected on the LED supply lines 3.
Seen from the above description, high-frequency carrier signal in the form of differential signal through 62 turns of input coil 61 and output winding The negative pole of LED supply lines 3 is reached after changing, what input coil 61 and output winding 62 were transmitted is all high-frequency carrier signal, structure letter Single reasonable, data transfer is more directly quick;Input coil 61 and output winding 62 have by the first injection circuit 5 with The effect that LED supply lines 3 is kept apart, with stronger anti-tampering ability, signal transmission quality is stable.
Further, the secondary signal injection circuit 6 and the impedance matching of LED supply lines 3.
Seen from the above description, secondary signal injection circuit 6 and the impedance matching of LED supply lines 3, to ensure that secondary signal is noted The signal for entering circuit 6 is transmitted to the integrality of LED supply lines 3.
Further, the communication module 2 also includes amplifying circuit 9, and the amplifying circuit 9 is noted positioned at first signal Enter between circuit 5 and the secondary signal injection circuit 6, or positioned at the radio frequency receiving circuit 8 and the described first letter Between number injection circuit 5.
Seen from the above description, the amplifying circuit 9 is located at first injection circuit 5 and the secondary signal is noted Enter between circuit 6, the modulated signal that can improve the first injection circuit 5 reaches the signal intensity of secondary signal injection circuit 6, The amplifying circuit 9 is located between the radio frequency receiving circuit 8 and first injection circuit 5, can improve wireless The signal of RF receiving circuit 8 reaches the intensity of the first injection circuit 5, but amplifying circuit 9 is only capable of selecting one and is placed on first Between injection circuit 5 and secondary signal injection circuit 6 or the injection circuit 5 of radio frequency receiving circuit 8 and first Between, there is reduction interference.
Further, the radio frequency receiving circuit 8 can receive the less radio-frequency letter in 1 ~ 70MHz frequency bandwidth ranges Number.
Seen from the above description, radio frequency receiving circuit 8 can receive the less radio-frequency in 1 ~ 70MHz frequency bandwidth ranges Signal, processing data ability strong advantage wide with rf data bandwidth range.
Further, first injection circuit 5 is termination power, and the termination power includes magnet ring 51, worn Sub-power lines 52 in magnet ring 51 and at least signal wire 53 of the circle of winding one, the sub-power lines 52 are its in zero line or live wire In one.
Seen from the above description, the number between power line 10 and secondary signal injection circuit 6 is realized by way of coupling It is simple in construction according to transmission, stable signal transmission.
Further, first injection circuit 5 includes electric capacity 54 and transformer 55, the primary side of the transformer 55 A wherein termination in winding two ends is connected by electric capacity 54 with wherein one in power network zero line or power network live wire, another Termination is grounded, wherein, the signified ground for the neutral point of transformer 55 is grounded, or refer to the ground of wiring board.
Seen from the above description, the transmission means of the first injection circuit 5 is simple, and line-hit is few, signal transmission Process is influenceed small by network load, and interference signal is few.
Further, the transformer 55 is variable transformer, and the electric capacity 54 is variable capacitance.
Seen from the above description, the transformer 55 is variable transformer, and the electric capacity 54 is variable capacitance, adaptability By force.
Fig. 1 be refer to Fig. 4, embodiment one of the present utility model is:
A kind of LED based on visible light communication, includes the LED lamp bead 1 of at least one, in addition to communication module 2, circuit Plate 4, LED supply lines 3, the communication module 2 include the first injection circuit 5, secondary signal injection circuit 6, radio frequency reception Antenna 7 and radio frequency receiving circuit 8, power line 10 are connected with first injection circuit 5, the first signal injection Circuit 5 is electrically connected with the secondary signal injection circuit 6, and the secondary signal injection circuit 6 is connected with the LED supply lines 3, The LED supply lines 3 is electrically connected with the LED lamp bead 1, the radio frequency reception antenna 7 and the electricity of radio frequency receiving circuit 8 Connection, the radio frequency receiving circuit 8 electrically connects with first injection circuit 5, the communication module 2 and described LED lamp bead 1 is each attached on the circuit board 4;The power supply that the two ends of LED supply lines 3 are provided is DC constant current power supply, described the Binary signal injection circuit 6 include input coil 61 and output winding 62, the input coil 61 of the secondary signal injection circuit 6 with First injection circuit 5 is electrically connected, and the output winding 62 of the secondary signal injection circuit 6 is connected on the LED and supplied The negative pole of electric wire 3, the secondary signal injection circuit 6 and the impedance matching of LED supply lines 3, the less radio-frequency receive electricity Road 8 can receive the radio frequency signal in 1 ~ 70MHz frequency bandwidth ranges.
First injection circuit 5 is termination power, and the termination power includes magnet ring 51, worn in magnet ring 51 Sub-power lines 52 and at least signal wire 53 of the circle of winding one, the sub-power lines 52 are wherein one in zero line or live wire.
Because communication module 2 is fixed on the circuit board 4, so communication module 2 has been contained in LED, therefore when installing, Only need mounted LED lamp in itself.During work, the modulated signal of power line 10 injects electricity through the first injection circuit 5, secondary signal LED lamp bead 1 is reached after road 6, LED supply lines 3 to send, and realizes visible ray downlink communication;Outside radio frequency signal warp Power line 10 is reached after radio frequency reception antenna 7, radio frequency receiving circuit 8, the first injection circuit 5, less radio-frequency is realized Uplink communication.
Fig. 5 and Fig. 7 are refer to, embodiment two of the present utility model is:
A kind of LED based on visible light communication, on the basis of embodiment one, the communication module 2 also includes amplification Circuit 9, the amplifying circuit 9 is located between first injection circuit 5 and the secondary signal injection circuit 6, or Between the radio frequency receiving circuit 8 and first injection circuit 5.
The places different from embodiment one are:First injection circuit 5 includes electric capacity 54 and transformer 55, described A wherein termination in the primary side winding two ends of transformer 55 passes through its in electric capacity 54 and power network zero line or power network live wire In a connection, another termination ground connection, wherein, be grounded the signified ground for the neutral point of transformer 55, or refer to the ground of wiring board, The transformer 55 is variable transformer, and the electric capacity 54 is variable capacitance.
Increase amplifying circuit 9 in communication module 2, to prevent from making because the signal of the first injection circuit 5 output is too weak It is abnormal into downlink communication, or uplink communication is abnormal caused by the signal of the output of radio frequency receiving circuit 8 is too weak.
In summary, the LED based on visible light communication that the utility model is provided, the two ends of LED supply lines 3 use direct current Constant-current source, communication module 2 and LED lamp bead 1 are each attached on circuit board 4, and communication module 2 can realize the signal of power line 10 through LED lamp bead 1 is reached after one injection circuit 5, secondary signal injection circuit 6 to send, and can also realize that radio frequency reception antenna 7 is received External wireless radiofrequency signal reach power line 10 after radio frequency receiving circuit 8, the first injection circuit 5, it is described logical Be additionally provided with an amplifying circuit 9 in letter module 2, communication module 2 included inside the LED, can be achieved visible ray downlink communication and Less radio-frequency uplink communication, stable work in work, it is convenient to install and use.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every The equivalents made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in the technology neck of correlation Domain, is similarly included in scope of patent protection of the present utility model.

Claims (8)

1. a kind of LED based on visible light communication, includes the LED lamp bead of at least one, it is characterised in that also including communication mould Block, circuit board, LED supply lines, the communication module include the first injection circuit, secondary signal injection circuit, radio frequency and connect Antenna and radio frequency receiving circuit are received, power line is connected with first injection circuit, the first signal injection electricity Road is electrically connected with the secondary signal injection circuit, and the secondary signal injection circuit is connected with the LED supply lines, described LED supply lines is electrically connected with the LED lamp bead, and the radio frequency reception antenna is electrically connected with the radio frequency receiving circuit, institute State radio frequency receiving circuit to electrically connect with first injection circuit, the communication module and the LED lamp bead are solid It is scheduled on the circuit board.
2. the LED according to claim 1 based on visible light communication, it is characterised in that the LED supply lines two ends are carried The power supply of confession is DC constant current power supply.
3. the LED according to claim 1 based on visible light communication, it is characterised in that the secondary signal injection electricity Road includes input coil and output winding, the input coil of the secondary signal injection circuit and first injection circuit Electrical connection, the output winding of the secondary signal injection circuit is connected on the negative pole of the LED supply lines.
4. the LED according to claim 3 based on visible light communication, it is characterised in that the secondary signal injection electricity Road and the LED supply lines impedance matching.
5. the LED according to claim 1 based on visible light communication, it is characterised in that the communication module also includes Amplifying circuit, the amplifying circuit is located between first injection circuit and the secondary signal injection circuit, or Between the radio frequency receiving circuit and first injection circuit.
6. the LED according to claim 1 based on visible light communication, it is characterised in that the first signal injection electricity Road is termination power, and the termination power includes magnet ring, wears the sub-power lines in magnet ring and at least winds the signal wire of a circle, The sub-power lines are wherein one in zero line or live wire.
7. the LED according to claim 1 based on visible light communication, it is characterised in that the first signal injection electricity The wherein termination that road is included in electric capacity and transformer, the primary side winding two ends of the transformer passes through electric capacity and power network zero line Or wherein one connection in power network live wire, another termination ground connection, wherein, the signified ground for transformer neutral point is grounded, Or refer to the ground of wiring board.
8. the LED according to claim 7 based on visible light communication, it is characterised in that the transformer becomes to be variable Depressor, the electric capacity is variable capacitance.
CN201621422913.3U 2016-12-23 2016-12-23 A kind of LED based on visible light communication Active CN206413011U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621422913.3U CN206413011U (en) 2016-12-23 2016-12-23 A kind of LED based on visible light communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621422913.3U CN206413011U (en) 2016-12-23 2016-12-23 A kind of LED based on visible light communication

Publications (1)

Publication Number Publication Date
CN206413011U true CN206413011U (en) 2017-08-15

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CN201621422913.3U Active CN206413011U (en) 2016-12-23 2016-12-23 A kind of LED based on visible light communication

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109818673A (en) * 2019-03-25 2019-05-28 浙江大学城市学院 A kind of visible light communication wireless broadcast system signal emission module circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109818673A (en) * 2019-03-25 2019-05-28 浙江大学城市学院 A kind of visible light communication wireless broadcast system signal emission module circuit
CN109818673B (en) * 2019-03-25 2023-09-12 浙江大学城市学院 Signal transmitting module circuit of visible light communication wireless broadcasting system

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