CN220421814U - Transmission device utilizing power line for communication - Google Patents
Transmission device utilizing power line for communication Download PDFInfo
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- CN220421814U CN220421814U CN202321480162.0U CN202321480162U CN220421814U CN 220421814 U CN220421814 U CN 220421814U CN 202321480162 U CN202321480162 U CN 202321480162U CN 220421814 U CN220421814 U CN 220421814U
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- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 18
- 238000004146 energy storage Methods 0.000 claims description 8
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Abstract
The utility model discloses a transmission device utilizing power line communication, which is applied to an LED lamp, wherein the LED lamp is connected with the transmission device through a power line, and the transmission device comprises an MCU processor circuit, a communication module circuit, a power line/communication line switching control circuit and a power amplifying circuit; the LED lamp is connected with the power line/communication line switching control circuit and the power amplification circuit respectively, and the power amplification circuit is also connected with the power line/communication line switching control circuit; the beneficial effects are as follows: the power line and the communication line are multiplexed, the power line is used for power transmission at ordinary times, and when data transmission is needed, the power line is used for data communication by switching and connecting different signals, so that a special communication line is not needed to be added for data transmission.
Description
Technical Field
The utility model relates to the technical field of power supply communication, in particular to a transmission device utilizing power line communication.
Background
At present, most of the common LED lamps which use power line communication adopt power carrier communication, namely, a transmitter modulates data onto a high-frequency carrier, and then the data is coupled to a power line through a coupling circuit after power amplification, so that the power line transmits the power and also transmits the data at the same time. The receiver needs to couple the carrier signal to a demodulation circuit, and the demodulated data is supplied to the MCU for processing. As can be seen, the power carrier communication process is quite complex, requires extremely complex circuitry and occupies a significant amount of MCU processor resources. The complicated circuit means extremely high manufacturing cost, high production and detection difficulty, poor stability and easiness in limitation of use environment and electromagnetic interference; meanwhile, the high-frequency carrier wave also can bring the problems of EMC electromagnetic interference output and the like.
Disclosure of Invention
In view of the problems in the prior art, an object of the present utility model is to provide a transmission device for communication using a power line.
The utility model provides the following technical scheme: the transmission device is applied to an LED lamp, the LED lamp is connected with the transmission device through a power line, and the transmission device comprises an MCU processor circuit, a communication module circuit, a power line/communication line switching control circuit and a power amplifying circuit;
the communication module circuit, the power line/communication line switching control circuit and the power amplification circuit are respectively connected with the MCU processor circuit, the communication module circuit is also connected with an external control terminal, the LED lamp is also respectively connected with the power line/communication line switching control circuit and the power amplification circuit, and the power amplification circuit is also connected with the power line/communication line switching control circuit.
As an optional embodiment of the application, the communication module circuit includes a wireless communication module and/or a radio frequency module.
As an optional implementation manner, the wireless communication module adopts any one of an IOT module, a WIFI module or a Bluetooth module.
As an optional implementation manner of the application, the control terminal comprises an intelligent terminal, a wireless radio frequency remote controller and a control panel.
As an optional implementation manner of the application, the power line/communication line switching control circuit comprises two paths of switching sub-circuits, the MCU processor circuit comprises an MCU controller, and the MCU controller is provided with switching signal pins which are respectively connected with the two paths of switching sub-circuits.
As an optional implementation manner of the application, the two-way switching sub-circuit comprises two relays, the signals output by the switching signal pins are used for controlling the on/off of the relay coil power supply, the common contact of the two relays is used as the power line/communication line output end to be connected with an output wiring port, and the output wiring port is connected with the LED lamp;
the normally closed contact of one relay is connected with an L line in a power supply, the normally closed contact of the other relay is connected with an N line in the power supply, the normally open contact of one relay is connected with the output end of the power amplifying circuit, and the normally open contact of the other relay is connected with GND output by the power amplifying circuit.
As an optional implementation manner of the power amplification circuit, the power amplification circuit comprises a first triode and a second triode, a communication transmitting pin of the MCU controller is connected with a base electrode of the first triode, an emitting electrode of the first triode is grounded, a collecting electrode of the first triode is respectively connected with a power supply and a base electrode of the second triode, an emitting electrode of the second triode is grounded and is connected with a normally open contact of another relay in the switching sub-circuit, and a collecting electrode of the second triode is connected with a normally open contact of one relay in the switching sub-circuit.
As an optional embodiment of the application, the LED luminaire internally comprises a power supply circuit, a processor circuit and a data receiving circuit which are disposed; the power supply circuit and the data receiving circuit are respectively connected with the processor circuit.
As an optional implementation manner of the application, the inside of the LED lamp further comprises a deployed energy storage element, and the energy storage element stores energy by adopting a battery or a capacitor.
As an alternative embodiment of the present application, the LED light fixture includes, but is not limited to, a water bottom light, a pool light, an LED landscape light, an LED light bar, and an LED plant light.
By adopting the technical scheme, the method has the following advantages: the transmission device for communication by using the power line provided by the utility model has the advantages that the power line and the communication line are multiplexed, the power line is used for power transmission at ordinary times, and when data transmission is needed, the power line is used for data communication by switching and connecting different signals, so that a special communication line is not needed to be added for data transmission, and the transmission device can be used for power transmission and data communication, and is used as a power line and a special communication line; the communication mode is equivalent to a mode of using a special communication line for communication, so that the communication has strong anti-interference capability, long communication distance and high communication efficiency, does not need a complex circuit, and is stable and reliable.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a transmission device for communication by using a power line according to an embodiment of the present utility model;
fig. 2 is a circuit configuration diagram of a power supply circuit according to an embodiment of the present utility model;
fig. 3 is a circuit structure diagram of a communication module circuit according to an embodiment of the present utility model;
FIG. 4 is a circuit diagram of an MCU processor circuit according to an embodiment of the present utility model;
fig. 5 is a circuit configuration diagram of a one-way switching sub-circuit according to an embodiment of the present utility model;
FIG. 6 is a circuit diagram of another switching sub-circuit according to an embodiment of the present utility model;
FIG. 7 is a circuit diagram of an output port according to an embodiment of the present utility model;
fig. 8 is a circuit configuration diagram of a power amplifying circuit according to an embodiment of the present utility model;
fig. 9 is a circuit configuration diagram of a data receiving circuit according to an embodiment of the present utility model;
fig. 10 is a circuit configuration diagram of a power supply circuit according to an embodiment of the present utility model;
fig. 11 is a circuit configuration diagram of a processor circuit according to an embodiment of the present utility model.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present utility model more apparent, the following detailed description will be described with reference to the accompanying drawings and specific embodiments, wherein the description is not meant to imply that all subject matters corresponding to the specific examples set forth in the embodiments are cited in the claims, and are therefore by way of example only and are not limiting to the scope of the utility model.
Referring to fig. 1 to 8, the transmission device for communication by using a power line provided by the present embodiment is applied to an LED lamp, where the LED lamp is connected to the transmission device by using a power line, and the transmission device includes an MCU processor circuit, a communication module circuit, a power line/communication line switching control circuit, and a power amplifying circuit;
the communication module circuit, the power line/communication line switching control circuit and the power amplification circuit are respectively connected with the MCU processor circuit, the communication module circuit is also connected with an external control terminal, the LED lamp is also respectively connected with the power line/communication line switching control circuit and the power amplification circuit, and the power amplification circuit is also connected with the power line/communication line switching control circuit.
It should be noted that the apparatus further includes a power supply circuit of a power supply known to those skilled in the art for converting an external power supply to provide power supply voltages of different voltage classes; the present embodiment is illustrated with an external power source of AC12V, but is not limited thereto; the power lines have the same meaning as the power lines in the embodiment.
When the communication module circuit is applied, the communication module circuit comprises a wireless communication module and/or a radio frequency module; the wireless communication module adopts any one of an IOT module, a WIFI module or a Bluetooth module; the radio frequency module can adopt RF wireless radio frequency;
when the method is implemented, the control terminal comprises an intelligent terminal (such as a smart phone), a wireless radio frequency remote controller and a control panel; and further realizing remote mobile phone control, WIFI or Bluetooth control.
Further, to implement multiplexing of the power line and the communication line, the power line/communication line switching control circuit includes two paths of switching sub-circuits, and the MCU processor circuit includes an MCU controller (i.e., the controller in fig. 1), and the MCU controller is provided with switching signal pins, where the switching signal pins are respectively connected with the two paths of switching sub-circuits.
In this embodiment, the two-way switching sub-circuit includes two relays, a signal output by the switching signal pin is used to control on/off of a coil power supply of the relays, a common contact of the two relays is used as a power line/communication line output end to be connected with an output wiring port, and the output wiring port is connected with the LED lamp;
the normally closed contact of one relay is connected with an L line in a power supply, the normally closed contact of the other relay is connected with an N line in the power supply, the normally open contact of one relay is connected with the output end of the power amplifying circuit, and the normally open contact of the other relay is connected with GND output by the power amplifying circuit.
Meanwhile, in order to ensure reliable transmission of communication data, power amplification is performed through the power amplification circuit; the power amplifying circuit comprises a first triode and a second triode, wherein a communication transmitting pin of the MCU controller is connected with a base electrode of the first triode, an emitting electrode of the first triode is grounded, a collecting electrode of the first triode is respectively connected with a power supply and the base electrode of the second triode, an emitting electrode of the second triode is grounded and is connected with a normally open contact of another relay in the switching sub-circuit, and a collecting electrode of the second triode is connected with a normally open contact of one relay in the switching sub-circuit.
In this embodiment, the switching signal pin is denoted by RY1, RXD1, TXD1 are connected to the wireless communication module, and RF is connected to the radio frequency module; TXD2 is a transmitting pin of communication data, and is connected with corresponding normally open contacts of two relays in the two-way switching sub-circuit after power amplification is carried out by the power amplification circuit.
According to the transmission device utilizing the power line communication, a user can transmit control information to the controller through Internet terminal equipment such as a mobile phone or a computer, or transmit the control information to the controller through a wireless radio frequency remote controller, or transmit the control information to the controller through a key panel (namely a key) of the controller, wherein the control information is communication data;
when no information is transmitted, the RY1 pin does not output a signal, the two relays do not act, the common contact is connected with the normally closed contact, the power line/communication line is used for power transmission, the OUT1 corresponding to the output wiring port (namely U4 in FIG. 7) is AC12L, and the OUT2 is AC12N;
when the controller receives communication data of a user, the RY1 pin and the TXD2 pin are respectively provided with signal output, and after the signal of the TXD2 pin is amplified, the signal is transmitted to normally open contacts of the two relays through a collector electrode of the second triode (namely Q3) and an emitter electrode of the second triode (namely Q3); meanwhile, the two relays are electrified, the common contact is disconnected with the normally-closed contact and is connected with the corresponding normally-open contact, a power line/communication line is used as a communication line, and at the moment, OUT1 corresponding to an output wiring port (namely U4 in FIG. 7) is DATA, and OUT2 is GND; the communication data is transmitted to the LED lamp; when the data transmission is finished, the RY1 pin and the TXD2 pin of the controller have no signal output, and the two relays are powered down, so that the power line/communication line in the figure is switched back to the power line.
The LED lamps include, but are not limited to, underwater lamps, swimming pool lamps, LED landscape lamps, LED light bars and LED plant lamps; the LED lamp is only an example, and the scheme can be applied to other electronic equipment connected by two wires.
According to the scheme, the power line and the communication line are multiplexed, the power line is used for power transmission at ordinary times, when data transmission is needed, the power line is used for data communication by switching and connecting different signals, and therefore a special communication line is not required to be added for data transmission, and the power line can be used for power transmission and data communication, and is a power line and a special communication line; the communication mode is equivalent to a mode of using a special communication line for communication, so that the communication has strong anti-interference capability, long communication distance and high communication efficiency, does not need a complex circuit, and is stable and reliable.
Further, referring to fig. 9 to 11, the LED lamp includes a power circuit, a processor circuit and a data receiving circuit disposed therein; the power supply circuit and the data receiving circuit are respectively connected with the processor circuit;
the LED lamp also comprises an energy storage element which is arranged inside, and the energy storage element stores energy by adopting a battery or a capacitor; the energy storage battery or the capacitor of the LED lamp enters a charging state to supply power for the next task when the power transmission line is switched back.
Specifically, the U4 interfaces are respectively connected with the input end of fig. 9 and the ACL and ACN of fig. 10, and the energy storage element connected in fig. 10 is a capacitor; FIG. 11 is a circuit schematic of a processor;
since the communication data is serial data with a certain rate and baud rate, the communication data is an effective data packet, and the effective data packet generally includes: special header + data command + CRC check + trailer; the power signal is a fixed high level, so that the processor can conveniently judge whether the power signal or the data signal according to the level signal.
Finally, it should be noted that the above description is a preferred embodiment of the present utility model, and that a person skilled in the art, in light of the present disclosure, may make many similar representations without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (10)
1. The transmission device is characterized in that the LED lamp is connected with the transmission device through a power line, and the transmission device comprises an MCU processor circuit, a communication module circuit, a power line/communication line switching control circuit and a power amplifying circuit;
the communication module circuit, the power line/communication line switching control circuit and the power amplification circuit are respectively connected with the MCU processor circuit, the communication module circuit is also connected with an external control terminal, the LED lamp is also respectively connected with the power line/communication line switching control circuit and the power amplification circuit, and the power amplification circuit is also connected with the power line/communication line switching control circuit.
2. A transmission device for communication using a power line according to claim 1, wherein the communication module circuit comprises a wireless communication module and/or a radio frequency module.
3. The transmission device for communication by using a power line according to claim 2, wherein the wireless communication module is any one of an IOT module, a WIFI module, and a bluetooth module.
4. The transmission device for communication by using a power line according to claim 2, wherein the control terminal comprises an intelligent terminal, a wireless radio frequency remote controller and a control panel.
5. A transmission device for communication using a power line as defined in claim 1, wherein the power line/communication line switching control circuit comprises two switching sub-circuits, the MCU processor circuit comprises an MCU controller, the MCU controller is provided with switching signal pins, and the switching signal pins are respectively connected to the two switching sub-circuits.
6. A transmission device for communication by power line according to claim 5, wherein the two-way switching sub-circuit comprises two relays, the signal outputted from the switching signal pin is used for controlling the on/off of the relay coil power supply, the common contact of the two relays is used as the output end of the power line/communication line to be connected with the output wiring port, and the output wiring port is connected with the LED lamp;
the normally closed contact of one relay is connected with an L line in a power supply, the normally closed contact of the other relay is connected with an N line in the power supply, the normally open contact of one relay is connected with the output end of the power amplifying circuit, and the normally open contact of the other relay is connected with GND output by the power amplifying circuit.
7. The transmission device for communication by power line according to claim 6, wherein said power amplifying circuit comprises a first transistor and a second transistor, said communication transmitting pin of said MCU controller is connected to a base of said first transistor, an emitter of said first transistor is grounded, a collector of said first transistor is connected to a power source and a base of said second transistor, respectively, an emitter of said second transistor is grounded and connected to a normally open contact of another relay in said switching sub-circuit, and a collector of said second transistor is connected to a normally open contact of one of said relays in said switching sub-circuit.
8. The transmission device for communication by power line according to claim 1, wherein the LED light fixture includes a power circuit, a processor circuit and a data receiving circuit disposed therein; the power supply circuit and the data receiving circuit are respectively connected with the processor circuit.
9. The transmission device for communication by power line according to claim 8, wherein the LED lamp further comprises an energy storage element disposed inside, and the energy storage element uses a battery or a capacitor to store energy.
10. A transmission device for communicating using a power line according to claim 8, wherein the LED light fixture includes, but is not limited to, a water bottom light, a pool light, an LED landscape light, an LED light bar, and an LED plant light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321480162.0U CN220421814U (en) | 2023-06-12 | 2023-06-12 | Transmission device utilizing power line for communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321480162.0U CN220421814U (en) | 2023-06-12 | 2023-06-12 | Transmission device utilizing power line for communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220421814U true CN220421814U (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321480162.0U Active CN220421814U (en) | 2023-06-12 | 2023-06-12 | Transmission device utilizing power line for communication |
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| Country | Link |
|---|---|
| CN (1) | CN220421814U (en) |
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2023
- 2023-06-12 CN CN202321480162.0U patent/CN220421814U/en active Active
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