CN217159871U

CN217159871U - Multimedia acquisition system based on power line communication

Info

Publication number: CN217159871U
Application number: CN202221005509.1U
Authority: CN
Inventors: 胡凯; 罗通
Original assignee: SHENZHEN MAIJIN TECHNOLOGY CO LTD
Current assignee: SHENZHEN MAIJIN TECHNOLOGY CO LTD
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-08-09
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses a multimedia acquisition system based on power line communication, include: the system comprises a high-definition camera, a sensor, a collector and a computer; the high-definition camera with the sensor respectively with the collector is connected, the collector with the aggregator passes through 220V50 HZ's power line connection, the aggregator with the computer passes through ethernet and connects. The utility model discloses mainly solve under the complicated topography environment, analog quantity such as video, audio frequency, voltage, electric current is gathered, is handled, is uploaded, can be applied to occasions such as track traffic, colliery, photovoltaic, realizes unmanned on duty.

Description

Multimedia acquisition system based on power line communication

Technical Field

The utility model relates to a technical field such as track traffic, colliery, photovoltaic especially relate to a multimedia collection system based on power line communication.

Background

At present, long-distance communication technology used in industry is mostly based on CAN bus transmission, and the transmission rate is lower and only 1 Mbps; because the bandwidth of the CAN bus is only 1Mbps, double-path high-definition video transmission cannot be realized during data acquisition; therefore, in some occasions, only visual mechanical action information of the equipment can be converted into information of low data streams such as voltage, current and the like through corresponding sensors, and only voltage and current physical quantities are observed by people, so that monitoring becomes invisible.

In the case of CAN communication, the wiring of the CAN communication device needs to use a power line and a communication line with the CAN, and at least four lines are needed to complete basic power supply and communication. Additional wiring is required where additional equipment is required. The engineering construction becomes correspondingly complicated and the cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a multimedia acquisition system based on power line communication can be applied to occasions such as track traffic, colliery, photovoltaic, realizes unmanned on duty.

In order to achieve the above object, the utility model provides a following scheme:

a multimedia acquisition system based on power line communication, comprising:

the system comprises a high-definition camera, a sensor, a collector and a computer;

the high-definition camera with the sensor respectively with the collector is connected, the collector with the aggregator passes through 220V50 HZ's power line connection, the aggregator with the computer passes through ethernet and connects.

Optionally, the collector includes: the device comprises an encoding board, a first carrier board and a first coupling circuit;

the coding board is connected with the first carrier board through Ethernet, and the first carrier board is connected with the first coupling circuit.

Optionally, the encoding plate comprises: the device comprises a video decoding chip, an analog-to-digital converter, a processor and a first Ethernet interface;

the video decoding chip and the analog-to-digital converter are respectively connected with the processor, and the processor is connected with the first Ethernet interface.

Optionally, the first carrier plate includes: a first carrier coupling unit and a second Ethernet interface;

the first carrier coupling unit is connected with the first coupling circuit, and the second ethernet interface is connected with the first ethernet interface.

Optionally, the concentrator comprises: a second carrier plate and a second coupling circuit;

the second carrier plate is connected with the second coupling circuit.

Optionally, the second carrier plate includes: the third Ethernet interface and the second carrier coupling unit;

the third Ethernet interface is connected with the computer, and the second carrier coupling unit is connected with the second coupling circuit.

Optionally, the collector is composed of a plurality of collectors, and the type of the collector is: E361V 2.

Optionally, the type of the aggregator is: E160V 2.

The utility model discloses a following technological effect:

the utility model provides a multimedia acquisition system based on power line communication uses high frequency carrier as the medium to make the equipment at both ends of communication possess higher bandwidth, can long-rangely gather double-circuit high definition video image, can direct clear observation distant place mechanical morphology; the high-frequency carrier wave can reduce wiring, and power supply and communication can be completed by using two power supply lines, so that the construction cost is reduced; and multiple devices can be networked, only a power line needs to be introduced on occasions needing to increase the collectors, and later-stage rectification and modification are convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a multimedia acquisition system based on power line communication according to an embodiment of the present invention;

fig. 2 is a schematic view of a connection topology between the aggregator and the collector in the embodiment of the present invention.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, a multimedia acquisition system based on power line communication includes:

the high-definition camera and the sensor are respectively connected with the collector, the collector is connected with the aggregator through a 220V50HZ power line, and the aggregator is connected with the computer through an Ethernet.

Optionally, the collector comprises: the device comprises an encoding board, a first carrier board and a first coupling circuit;

the coding board is connected with the first carrier board through the Ethernet, and the first carrier board is connected with the first coupling circuit.

Optionally, the code plate comprises: the device comprises a video decoding chip, an analog-to-digital converter, a processor and a first Ethernet interface;

Optionally, the aggregator comprises: a second carrier plate and a second coupling circuit;

the second carrier plate is connected with the second coupling circuit.

Optionally, the collector is composed of a plurality of types, and the type of the collector is: E361V 2.

Optionally, the type of the aggregator is: E160V 2.

Further, the first coupling circuit and the second coupling circuit have the same model, and are: CC0

Furthermore, the first carrier plate and the second carrier plate have the same model, and are: PC621V2

Further, the first carrier coupling unit and the second carrier coupling unit have the same model, which are: CU0

Further, the first ethernet interface, the second ethernet interface and the third ethernet interface are identical in model and are: ETH0

The utility model provides a multimedia acquisition system based on power line communication mainly solves the problem that high definition video acquisition and remote transmission combine. The key issue is to increase the transmission bandwidth of the industrial acquisition system at a lower cost.

The embodiment of the utility model provides an in technical scheme for solving above-mentioned problem, the general thinking is as follows:

the two high-definition cameras are used for decoding collected video signals into digital signals, and the analog video signals are decoded into the digital signals by the video decoding chips and then input into the processor through the MIPI digital interface. In addition, other external sensors convert the environment change into analog voltage signals, the voltage signals are discretized into digital signals through an analog-to-digital converter, the digital signals are input into a processor, and the digital signals are compressed and encoded by an encoding board and transmitted to a carrier board through an Ethernet port. The carrier plate modulates the signal into a high-frequency carrier signal, and the high-frequency carrier couples the low-voltage high-frequency carrier signal into a 220V 220V50HZ power line through a transformer in the coupling circuit. Meanwhile, a sink device is arranged at a far end to receive information transmitted by a plurality of collectors, and a connection topological diagram is shown in fig. 2. The aggregator obtains high-frequency carrier signals through a mutual inductor in the coupling circuit, decodes the high-frequency carrier signals into low-frequency signals, and transmits the low-frequency signals to a computer through an Ethernet port, so that remote monitoring and control are realized.

The utility model provides a multimedia acquisition system based on power line communication, which uses high-frequency carrier as medium to enable the equipment at both ends of communication to have higher bandwidth, can remotely acquire double-channel high-definition video images, and can directly and clearly observe the mechanical form in a remote place; the high-frequency carrier wave can reduce wiring, and power supply and communication can be completed by using two power supply lines, so that the construction cost is reduced; and multiple devices can be networked, only a power line needs to be introduced on occasions needing to increase the collectors, and later-stage rectification and modification are convenient.

The utility model discloses under the main complicated topography environment of solution, analog quantity such as video, audio frequency, voltage, electric current are gathered, are handled, are uploaded. The device can be applied to occasions such as rail transit, coal mines and photovoltaic, and unattended operation is realized.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. A multimedia acquisition system based on power line communication, comprising:

2. The multimedia collection system based on power line communication of claim 1, wherein the collector comprises: the device comprises an encoding board, a first carrier board and a first coupling circuit;

3. The multimedia collection system based on power line communication of claim 2, wherein the code board comprises: the device comprises a video decoding chip, an analog-to-digital converter, a processor and a first Ethernet interface;

4. The multimedia collection system based on power line communication of claim 3, wherein the first carrier plate comprises: the first carrier coupling unit and the second Ethernet interface;

5. The multimedia collection system based on power line communication of claim 1, wherein the aggregator comprises: a second carrier plate and a second coupling circuit;

the second carrier plate is connected with the second coupling circuit.

6. The multimedia capturing system according to claim 5, wherein the second carrier plate comprises: the third Ethernet interface and the second carrier coupling unit;

7. The multimedia acquisition system based on power line communication as claimed in claim 1, wherein the collector is composed of a plurality of collectors, and the type of the collector is: E361V 2.

8. The multimedia collection system based on power line communication of claim 7, wherein the type of the aggregator is: E160V 2.