CN206413011U - A kind of LED based on visible light communication - Google Patents
A kind of LED based on visible light communication Download PDFInfo
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- 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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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
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.
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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ID=59551643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621422913.3U Active CN206413011U (en) | 2016-12-23 | 2016-12-23 | A kind of LED based on visible light communication |
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| Country | Link |
|---|---|
| CN (1) | CN206413011U (en) |
Cited By (1)
| 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 |
-
2016
- 2016-12-23 CN CN201621422913.3U patent/CN206413011U/en active Active
Cited By (2)
| 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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