CN115001535B

CN115001535B - Power line carrier transmission module

Info

Publication number: CN115001535B
Application number: CN202210591950.0A
Authority: CN
Inventors: 张成良; 李�浩
Original assignee: Hunan Rolling Stone Intelligent Technology Co ltd
Current assignee: Hunan Rolling Stone Intelligent Technology Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2023-10-20
Anticipated expiration: 2042-05-27
Also published as: CN115001535A

Abstract

The invention discloses a power carrier transmission module, and relates to the technical field of power transmission. The power carrier transmission module comprises a control board, wherein a connecting circuit is preset on the surface of the control board, and the connecting circuit comprises a power supply; the PLC is in communication connection with the processor through a connecting circuit on the control board, and the power supply supplies power for the PLC and the processor; and the power amplifier is arranged on the surface of the control board through the connecting circuit and is in communication connection with the processor through the PLC. This power line carrier transmission module through integrating PLC, treater and power amplifier at the surface of control panel, makes it form a complete module, also can change corresponding module, to different service environment, need not repeated design PLC connecting circuit, only need more the module to carry out slidability, avoided repeated development, significantly reduced work load, also made the assurance to the uniformity of product signal simultaneously.

Description

Power line carrier transmission module

Technical Field

The invention relates to the technical field of transmission, in particular to a power carrier transmission module.

Background

Power carrier communication, which is a communication scheme specific to a power system, is a technique for transmitting analog or digital signals at high speed by a carrier scheme using an existing power line. The biggest characteristic is that the network is not required to be erected again, and the data transmission can be carried out only by the electric wires.

When solving the problem of southbound communication of thing networking, the common method has independent bus communication or the wireless communication of exempting from to route, adopts the mode construction cost of bus high, and adopts the mode of wireless communication unable adaptation complex environment, and another conventional way is that place this PLC circuit on the product plate, for independent one standard module device, when designing many products in the research and development process, need this circuit of repeated design, can't guarantee the uniformity of product, also reduced research and development efficiency.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides a power carrier transmission module, which solves the problems of higher construction cost of a bus mode and lower research and development efficiency of a PLC standard block when various products are applied.

(II) technical scheme

In order to achieve the above purpose, the invention is realized by the following technical scheme: the power carrier transmission module comprises a control board, wherein a connecting circuit is preset on the surface of the control board, and the connecting circuit comprises a power supply;

the PLC is in communication connection with the processor through a connecting circuit on the control board, and the power supply supplies power for the PLC and the processor;

and the power amplifier is arranged on the surface of the control board through the connecting circuit and is in communication connection with the processor through the PLC.

Further, the processor selects HI3921 chip.

Further, the uart1_txd port and the uart1_rxd port of the processor are respectively connected with the RXD1 port and the TXD1 port of the PLC, and the RX0 port and the TX0 port of the PLC are respectively connected with the gpio_9 port and the gpio_10 port of the processor in a communication manner.

Further, the PWM0 port of the PLC inputs a pulse to the gpio_0 port of the given processor, and the output pulse is output from the ldpvr_po port to the bias_1 port and bias_2 port of the power amplifier for power amplification.

Further, the ld_outn port and the ld_outp port of the processor are connected to the amplifying circuit corresponding to the power amplifier, and output to the RXN port and the RXP port of the processor.

Further, the power amplifier is a chip THS6212.

Further, the length of the control board is set to 29.3mm and the width is set to 13.0mm.

Further, the PLC draws out external ports RXP, RXN, GND, RX0, TX0, gpio_1, goi0_3 and PWM, and the processor draws out external ports gpio_2, gpio_4, gpio_15, gpio_16, gpio_17, gpio_18, gpio_6, uart1_txd, uart1_rxd, VIN4, VIN5, GND and 12V power.

Further, the pin welding spot width of the PLC and the processor is 1.3mm.

Further, the interval width of the PLC and the processor pin welding spots is 2.0mm.

(III) beneficial effects

The invention has the following beneficial effects:

(1) This power line carrier transmission module through integrating PLC, treater and power amplifier at the surface of control panel, makes it form a complete module, also can change corresponding module, to different service environment, need not repeated design PLC connecting circuit, only need more the module to carry out slidability, avoided repeated development, significantly reduced work load, also made the assurance to the uniformity of product signal simultaneously.

(2) This power line carrier transmission module through setting up external PWM ripples, carries out the illumination of different illumination control terminal products, adjusts luminance, can realize audio transmission's circuit simultaneously, and reduced the cost of production, cooperation PLC's use, conveniently uses under the complex environment, compares other bus communication technique simultaneously, has reduced engineering wiring cost and wire rod cost.

Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.

Drawings

FIG. 1 is a circuit block diagram of the present invention;

FIG. 2 is a diagram of an overall connection circuit of the present invention;

FIG. 3 is a structural dimension diagram of embodiment 1 of the present invention;

FIG. 4 is a structural dimension diagram of embodiment 2 of the present invention;

FIG. 5 is a diagram of a pin definition in accordance with embodiment 1 of the present invention;

fig. 6 is a pin definition diagram of embodiment 2 of the present invention.

In the figure, 1, a control board; 2. a PLC; 3. a processor; 4. a power amplifier.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Referring to fig. 1-6, two technical schemes are provided in the embodiment of the present invention: power line carrier transmission module, embodiment 1

The reactive power amplifier is characterized in that a PLC2 and a processor 3 are welded on the surface of a control board 1, the PLC2 is in communication connection with the processor 3, a preset connection circuit on the surface of the controller 1 is shown in figure 2, external input and output pins of the PLC2 and the processor 3 are led out of the surface of the controller 1, the PLC2 is led out of external ports RXP, RXN, GND, RX0, TX0, GPIO_1, GOI0_3 and PWM, and the processor 3 is led out of external ports GPIO_2, GPIO_4, GPIO_15, GPIO_16, GPIO_17, GPIO_18, GPIO_6, UART1_TXD, UART1_RXD, VIN4 and VIN5;

the power of the external input/output pins led out by the module formed by the controller 1, the PLC2 and the processor 3 is shown in the table 1:

pin	Name of the name	Attributes of	Description of the invention
				1	RXP	-	PLCRX/TX (external signal coupling circuit)
2	RXN	-	PLCRX/TX (external signal coupling circuit)
				3	GND	PI	Systematic ground (separate from power ground, common ground separately at source end)
4	3V3	PI	System power supply
				5	RX0	I	And (3) receiving a communication serial port, wherein the baud rate is as follows: 115200bps, level 3.3V
6	TX0	O	Communication serial port transmission, baud rate: 115200bps, level 3.3V
				7	NC	-	Suspension treatment
8	IO3	I/O	GPIO, driving capability 20mA, level 3.3V
				9	IO1	I/O	GPIO, driving capability 20mA, level 3.3V
10	PWM	O	PWM output
				11	IO2	I/O	GPIO, driving capability 20mA, level 3.3V
12	IO4	I/O	GPIO, driving capability 20mA, level 3.3V
				13	IO15	I/O	GPIO, driving capability 20mA, level 3.3V
14	IO16	I/O	GPIO, driving capability 20mA, level 3.3V
				15	IO17	I/O	GPIO, driving capability 20mA, level 3.3V
16	IO18	I/O	GPIO, driving capability 20mA, level 3.3V
				17	NC	-	Suspension treatment
18	TX1	O	The serial port of the burning is transmitted with the level of 3.3V
				19	RX1	I	The serial port of the burning is received, the level is 3.3V
20	IO6	I/O	GPIO, driving capability 20mA, level 3.3V
				21	IN4	I	Analog voltage detection input
22	IN5	I	Analog voltage detection input

Example 2

The power amplifier 4, the PLC2 and the processor 3 are welded on the surface of the control board 1, the power amplifier 4 is connected with the processor 3 through a serial port, the PLC2 is in communication connection with the processor 3, a preset connection circuit on the surface of the controller 1 is shown in figure 2, external input and output pins of the PLC2 and the processor 3 are led out of the surface of the controller 1, the PLC2 is led out of external ports RXP, RXN, GND, RX0, TX0, GPIO_1, GOI0_3 and PWM, and the processor 3 is led out of external ports GPIO_2, GPIO_4, GPIO_15, GPIO_16, GPIO_17, GPIO_18, GPIO_6, UART1_TXD, UART1_RXD, VIN4, VIN5, GND and 12V power sources;

the power of external input/output pins led out by a module consisting of the PLC2, the power amplifier 4, the control board 1 and the processor 3 is shown in the table 2:

pin	Name of the name	Attributes of	Description of the invention
				1	RXP	-	PLCRX/TX (external signal coupling circuit)
2	RXN	-	PLCRX/TX (external signal coupling circuit)
				3	GND	PI	Systematic ground (separate from power ground, common ground separately at source end)
4	3V3	PI	System power supply
				5	RX0	I	And (3) receiving a communication serial port, wherein the baud rate is as follows: 115200bps, level 3.3V
6	TX0	O	Communication serial port transmission, baud rate: 115200bps, level 3.3V
				7	NC	-	Suspension treatment
8	IO3	I/O	GPIO, driving capability20mA, level 3.3V
				9	IO1	I/O	GPIO, driving capability 20mA, level 3.3V
10	PWM	O	PWM output
				11	IO2	I/O	GPIO, driving capability 20mA, level 3.3V
12	IO4	I/O	GPIO, driving capability 20mA, level 3.3V
				13	IO15	I/O	GPIO, driving capability 20mA, level 3.3V
14	IO16	I/O	GPIO, driving capability 20mA, level 3.3V
				15	IO17	I/O	GPIO (general purpose input/output), driving energyForce 20mA, level 3.3V
16	IO18	I/O	GPIO, driving capability 20mA, level 3.3V
				17	NC	-	Suspension treatment
18	TX1	O	The serial port of the burning is transmitted with the level of 3.3V
				19	RX1	I	The serial port of the burning is received, the level is 3.3V
20	IO6	I/O	GPIO, driving capability 20mA, level 3.3V
				21	IN4	I	Analog voltage detection input
22	IN5	I	Analog voltage detection input
				23	PGND	PI	Power amplifier (adaptive SR 3011-PA)
24	12V	PI	Power amplifier source (adaptive SR 3011-PA)

The PIN TO PIN is compatible on the module PINs, can be mutually replaced, and can be deleted by a customer according TO the environment on the application product, and the production is TO directly switch the corresponding module patches.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a power line carrier transmission module which characterized in that: comprising

A control board (1), the surface of which is pre-provided with a connection circuit, the connection circuit comprises a power supply;

the PLC (2) is in communication connection with the processor (3) through a connecting circuit on the control board (1), and the power supply supplies power for the PLC (2) and the processor (3);

the power amplifier (4) is arranged on the surface of the control board (1) through the connecting circuit, and the power amplifier (4) is in communication connection with the processor (3) through the PLC (2);

wherein, the processor (3) selects HI3921 chip; the UART1_TXD port and the UART1_RXD port of the processor (3) are in communication connection with the PLC (2), and the PLC (2) is in communication connection with the GPIO 9 port and the GPIO 10 port of the processor (3).

2. The power carrier transmission module of claim 1, wherein: the PLC (2) inputs a pulse to a GPIO_0 port of the processor (3), and an output pulse is output from an LDPVR_PO port to a BIAS_1 port and a BIAS_2 port of the power amplifier (4) for power amplification.

3. The power carrier transmission module of claim 1, wherein: the LD_OUTN port and the LD_OUTP port of the processor (3) are connected into an amplifying circuit corresponding to the power amplifier (4) and output to the RXN port and the RXP port of the processor (3).

4. The power carrier transmission module of claim 1, wherein: the power amplifier (4) is a chip THS6212.

5. The power carrier transmission module of claim 1, wherein: the length of the control plate (1) is set to 29.3mm, and the width is set to 13.0mm.

6. The power carrier transmission module of claim 1, wherein: the processor (3) leads out external ports GPIO_2, GPIO_4, GPIO_15, GPIO_16, GPIO_17, GPIO_18, GPIO_6, UART1_TXD, UART1_RXD, VIN4, VIN5, GND and 12V power supply.

7. The power carrier transmission module of claim 1, wherein: the width of a pin welding spot of the PLC (2) and the processor (3) is 1.3mm.

8. The power carrier transmission module of claim 1, wherein: the interval width of the pin welding spots of the PLC (2) and the processor (3) is 2.0mm.