CN111885425A - Gateway system and power grid system - Google Patents
Gateway system and power grid system Download PDFInfo
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- CN111885425A CN111885425A CN202010609902.0A CN202010609902A CN111885425A CN 111885425 A CN111885425 A CN 111885425A CN 202010609902 A CN202010609902 A CN 202010609902A CN 111885425 A CN111885425 A CN 111885425A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- Computer Networks & Wireless Communication (AREA)
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- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The embodiment of the invention relates to the technical field of communication, in particular to a gateway system and a power grid system, wherein the gateway system comprises a domain communication device, a domain modulation device and a power supply, wherein the domain communication device comprises a domain modulation device which is used for receiving a communication signal and coupling the communication signal to a power supply; the terminal communication device is used for being connected with external electronic equipment, wherein each terminal communication device comprises a terminal demodulation device used for demodulating a communication signal from a power line; and the ZCD zero-point detection device is connected with the domain modulation equipment at one end and connected with the power line at the other end, and the domain modulation equipment is used for suspending the communication signal from being coupled to the power supply when the current is detected to be zero. The communication signal is coupled to the power line through the domain communication device, the terminal communication device demodulates the communication signal from the power line, and the communication signal transmission can be realized without additionally arranging a communication line coaxial with the power line, so that the communication device is very convenient. In addition, the ZCD zero point detection device is arranged, so that the jamming during communication signal transmission can be avoided.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a gateway system and a power grid system.
Background
The gateway is also called an internetwork connector and a protocol converter. The gateway is on the transport layer to realize network interconnection, and is the most complex network interconnection device, and is only used for interconnection of two networks with different high-layer protocols. The gateway can be used for interconnection of both wide area networks and local area networks. A gateway is a computer system or device that acts as a switch-operative. Gateways are used to communicate communication signals between transmitting and receiving systems using different communication protocols, data formats or languages, and even completely different architectures.
In the process of implementing the invention, the inventor of the invention finds that: at present, when a receiving system receives a communication signal, a communication line coaxial with a power line needs to be arranged exclusively at a receiving place for signal access, which is inconvenient.
Disclosure of Invention
In view of the above problems, embodiments of the present invention provide a gateway system and a power grid system, which overcome or at least partially solve the above problems.
According to an aspect of an embodiment of the present invention, there is provided a gateway system applied to a power distribution system, the power distribution system including a distribution box, a power line, and at least one outlet, the distribution box being connected to the power line, the at least one outlet being connected to the power line, the gateway system including: a domain communication device for mounting to the switchbox, the domain communication device comprising a domain modulation apparatus for receiving a communication signal and coupling the communication signal to a power source output by the switchbox; at least one terminal communication device, one terminal communication device for connecting with one socket and one terminal communication device for connecting with external electronic equipment, wherein each terminal communication device comprises a terminal demodulation device for demodulating communication signals from the current transmitted on the power line; a ZCD zero-point detection device, one end of which is connected with the domain modulation device and the other end of which is connected with the power line, wherein the domain modulation device is used for suspending the communication signal from being coupled with the power supply output by the distribution box when the ZCD zero-point detection device detects that the current of the power line is zero.
In an optional manner, the domain communication apparatus further includes a domain demodulation device, connected to the power line, for demodulating a communication signal from a current transmitted on the power line; the end communication device also includes an end modulation device for connecting with the power line and coupling a communication signal to the power line.
In an optional manner, the gateway system further includes a high-frequency filtering module, and the domain demodulating device is connected to the power line through the high-frequency filtering module.
In an optional manner, the number of the domain demodulation device, the domain modulation device, and the high-frequency filtering module is at least two, and the domain demodulation device, the domain modulation device, and the high-frequency filtering module are in one-to-one correspondence.
In an alternative mode, the domain communication device is a g.hn digital chip, and the domain modulation apparatus and the domain demodulation apparatus are integrated in the g.hn digital chip.
In an optional manner, the gateway system further includes a network switch chip, where the network switch chip is connected to the domain communication device, and the domain communication device receives the communication signal through the network switch chip.
In an optional manner, the gateway system further includes an STB chip; the STB chip is connected with the network switch chip and is used for sending communication signals to the domain communication device through the network switch chip.
In an optional manner, the gateway system further includes a power metering system, and the power metering system is connected to the network switching chip; the terminal communication device comprises a terminal meter, the terminal meter is respectively connected with the terminal modulation equipment and the terminal demodulation equipment, the terminal meter is used for acquiring information of external electronic equipment connected to each socket and sending the information to the electric quantity metering system, and the electric quantity metering system is used for receiving the information sent by the terminal meter and carrying out statistical processing according to the information.
In an alternative, the information includes power information, fault information, maintenance information, and/or promotional information.
According to an aspect of the embodiments of the present invention, there is provided a power grid system including the above gateway system.
The embodiment of the invention has the beneficial effects that: provided are a gateway system and a power grid system, the gateway system including a domain communication device, at least one end communication device, and a ZCD zero point detection device. The domain communication apparatus includes a domain modulation device for receiving a communication signal and coupling the communication signal to a power source output by the switchbox. Each of the end communication devices includes an end demodulation apparatus for demodulating a communication signal from a current transmitted on the power line. The domain modulation device is used for suspending the communication signal from being coupled to the power supply output by the distribution box when the ZCD zero-point detection device detects that the current of the power line is zero. In the gateway system in the embodiment of the invention, the communication signal is coupled to the power line through the domain communication device, and the terminal communication device demodulates the communication signal from the current transmitted on the power line, so that the communication signal can be transmitted without additionally arranging a communication line coaxial with the power line, and the gateway system is very convenient. In addition, the ZCD zero point detection device is arranged, so that the faults of blocking and the like during the transmission of the communication signals can be avoided.
Drawings
Fig. 1 is a schematic diagram of an implementation manner of a gateway system provided by an embodiment of the present invention;
fig. 2 is a schematic diagram of another implementation manner of a gateway system provided by the embodiment of the present invention;
fig. 3 is a schematic diagram of another implementation manner of the gateway system according to the embodiment of the present invention.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The gateway system 40 of the embodiment of the present invention is applied to a power distribution system including a distribution box 10, a power line 20, and at least one outlet 30, wherein the distribution box 10 is connected to the power line 20, and the at least one outlet 30 is connected to the power line 20.
Referring to fig. 1, the gateway system 40 includes: a domain communication device 401, at least one end communication device 402, a ZCD zero detection device 403, a network switch chip 404, an STB chip 405, and a power metering system 406. The domain communication device 401 is configured to be mounted to the switchbox 10, and the domain communication device 401 is configured to receive a communication signal through the network switch chip 404 and couple the communication signal to a power source output by the switchbox 10. The at least one end communication device 402 is connected to the socket 30, the end communication device 402 is configured to be connected to an external electronic device, and the end demodulation device 4021 is configured to demodulate a communication signal from a current transmitted over the power line 20. The ZCD zero point detection circuit is connected to the domain communication device 401 and the power line 20, respectively, and the domain communication device is configured to suspend coupling the communication signal to the power source output by the distribution box 10 when the ZCD zero point detection device 403 detects that the current of the power line 20 is zero. The STB chip 405 is connected to the network switch chip 404, and is configured to send a communication signal to the domain communication device 401 through the network switch chip 404. The electricity metering system 406 is connected to the network switch chip 404, and is configured to receive information sent by the end communication device 402, and perform statistical processing according to the information. By arranging the gateway system 40 in the power distribution system, communication signals can be transmitted through the power line 20 without additionally arranging a communication line coaxial with the power line 20, which is very convenient.
As for the above domain communication apparatus 401, referring to fig. 2, the domain communication apparatus 401 includes a domain modulating device 4011 and a domain demodulating device 4012. The domain modulation device 4011 is configured to receive a communication signal and couple the communication signal to a power source output by the switchbox 10. The domain demodulation device 4012 is connected to the power line 20, and demodulates a communication signal from a current transmitted through the power line 20.
It should be noted that, in some embodiments, the power line 20 and the domain demodulation device 4012 are connected through the high frequency filtering module 407, so as to allow only communication signals with frequencies greater than a preset frequency to pass through, so as to greatly attenuate communication signals with lower frequencies, thereby improving the transmission efficiency of the communication signals.
In some embodiments, the number of the domain demodulating equipment 4012, the domain modulating equipment 4011 and the high frequency filtering module 407 is at least two, and the domain demodulating equipment 4012, the domain modulating equipment 4011 and the high frequency filtering module 407 are in one-to-one correspondence. The number of the domain demodulating equipment 4012, the domain modulating equipment 4011 and the high frequency filtering module 407 is at least two, so that the gateway system 40 can transmit a large amount of data.
In some embodiments, the domain communication apparatus 401 is a g.hn digital chip, and the domain modulating device 4011 and the domain demodulating device 4012 are integrated in the g.hn digital chip. The STB chip 405 is configured to send communication signals to the g.hn digital chip via the network switch chip 404.
It should be noted that the communication signal may be a 4K, 8K high definition television signal or other communication signal.
Referring to fig. 2 and 3, regarding the at least one end communication device 402, one end communication device 402 is used for connecting with one socket 30, and the end communication device 402 is used for connecting with external electronic equipment. Each of the terminal communication devices 402 includes a terminal demodulation apparatus 4021, a terminal modulation apparatus 4022, and a terminal meter 4023. The terminal demodulation device 4021 is configured to demodulate a communication signal from a current transmitted over the power line 20. The terminal modulation device 4022 is configured to connect to the power line 20 and couple a communication signal to the power line 20. The terminal meter 4023 is connected to the terminal modulation device 4022 and the terminal demodulation device 4021, respectively, and the terminal meter 4023 is configured to acquire information on an external electronic device connected to each outlet 30 and transmit the information to the electricity metering system 406.
It should be noted that the information includes power information, fault information, maintenance information, and/or promotion information.
It is understood that the external electronic device and the domain communication means 401 conform to the same communication protocol. For example, the domain communication device 401 is a g.hn digital chip, and the external electronic device conforms to a g.hn protocol standard.
In some embodiments, the number of the terminal demodulating devices 4021, the terminal modulating devices 4022, and the terminal meters 4023 is at least two, and the terminal demodulating devices 4021, the terminal modulating devices 4022, and the terminal meters 4023 correspond to one another. The number of the terminal demodulating apparatus 4021, the terminal modulating apparatus 4022, and the terminal meter 4023 is at least two, and the gateway system 40 can transmit a large amount of data.
Referring to fig. 2, the electricity metering system 406 is connected to the network switch chip 404. The electricity metering system 406 is configured to receive the information sent by the terminal meter 4023, and perform statistical processing according to the information. For example, the electricity metering system 406 determines that an external electronic device connected to the outlet 30 is faulty when counting electricity consumption abnormality of the external electronic device. For another example, the electric quantity metering system 406 counts a preset maintenance time of an external electronic device connected to one of the sockets 30, and then prompts a user to perform device maintenance.
It is understood that, in some embodiments, the power metering system 406 is communicatively connected to a mobile terminal, so that the information of the external electronic device counted by the power metering system 406 can be presented on the mobile terminal, which is convenient for a user to know power information, fault information, maintenance information, promotion information, and/or the like of the external electronic device. And timely processing when the electricity utilization of the external electronic equipment is abnormal or equipment maintenance is needed.
It can be understood that the information sent by the terminal meter 4023 is coupled to the power line 20 through the terminal modulation device 4022, and the domain demodulation device 4012 in the domain communication apparatus 401 demodulates the information from the power line 20 and then transmits the information to the electricity metering system 406, so that information transmission between the electricity metering system 406 and the terminal meter 4023 can be realized without specially arranging a communication line coaxial with the power line 20, which is very convenient.
Referring to fig. 1 or fig. 2, one end of the ZCD zero point detection apparatus 403 is connected to the domain modulation device 4011, and the other end of the ZCD zero point detection apparatus is connected to the power line 20, where the domain modulation device 4011 is configured to suspend coupling of the communication signal to the power output by the power distribution box 10 when the ZCD zero point detection apparatus 403 detects that the current of the power line 20 is zero, so as to avoid a stuck fault during transmission of the communication signal.
Referring to fig. 2, for the network switch chip 404, the network switch chip 404 is connected to the domain communication device 401, and the domain communication device 401 receives a communication signal through the network switch chip 404. It is understood that, by providing the network switch chip 404, the electricity metering system 406 can be connected to the domain communication device 401 through the network switch chip 404. By setting the network switch chip 404, other network devices, such as a network camera and a network access control, can be connected to the domain communication device 401 through the network switch chip 404 for information transmission.
In the embodiment of the present invention, the gateway system 40 includes a domain communication device 401, at least one end communication device 402, and a ZCD zero detection device 403. The domain communication apparatus 401 includes a domain modulation device 4011, and the domain modulation device 4011 is configured to receive a communication signal and couple the communication signal to the power source output by the switchbox 10. Each of the terminal communication devices 402 includes a terminal demodulation device 4021, and the terminal demodulation device 4021 is configured to demodulate a communication signal from a current transmitted on the power line 20. The domain modulation apparatus 4011 is configured to suspend coupling the communication signal to the power output by the distribution box 10 when the ZCD zero point detecting device 403 detects that the current of the power line 20 is zero. In the gateway system 40 in the embodiment of the present invention, the communication signal is coupled to the power line 20 through the domain communication device 401, and the end communication device 402 demodulates the communication signal from the current transmitted on the power line 20, so that the communication signal transmission can be realized without additionally arranging a communication line coaxial with the power line 20, which is very convenient. In addition, by providing the ZCD zero point detection device 403, it is possible to prevent a malfunction such as a jam from occurring during transmission of the communication signal.
The embodiment of the present invention further provides an embodiment of a power grid system, and the power grid system includes the gateway system 40. For the specific structure and function of the gateway system 40, reference may be made to the above embodiments, and details are not repeated here.
It should be noted that the description of the present invention and the accompanying drawings illustrate preferred embodiments of the present invention, but the present invention may be embodied in many different forms and is not limited to the embodiments described in the present specification, which are provided as additional limitations to the present invention and to provide a more thorough understanding of the present disclosure. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A gateway system for use in a power distribution system, the power distribution system including a distribution box, a power line, and at least one outlet, the distribution box being connected to the power line, the at least one outlet being connected to the power line, the gateway system comprising:
a domain communication device for mounting to the switchbox, the domain communication device comprising a domain modulation apparatus for receiving a communication signal and coupling the communication signal to a power source output by the switchbox;
at least one terminal communication device, one terminal communication device for connecting with one socket and one terminal communication device for connecting with external electronic equipment, wherein each terminal communication device comprises a terminal demodulation device for demodulating communication signals from the current transmitted on the power line;
a ZCD zero-point detection device, one end of which is connected with the domain modulation device and the other end of which is connected with the power line, wherein the domain modulation device is used for suspending the communication signal from being coupled with the power supply output by the distribution box when the ZCD zero-point detection device detects that the current of the power line is zero.
2. The gateway system according to claim 1,
the domain communication device also comprises domain demodulation equipment, wherein the domain demodulation equipment is connected with the power line and used for demodulating a communication signal from the current transmitted on the power line;
the end communication device also includes an end modulation device for connecting with the power line and coupling a communication signal to the power line.
3. The gateway system according to claim 2, further comprising a high frequency filtering module through which the domain demodulating device is connected with the power line.
4. The gateway system according to claim 3, wherein the number of the domain demodulating apparatus, the domain modulating apparatus and the high frequency filtering module is at least two, and the domain demodulating apparatus, the domain modulating apparatus and the high frequency filtering module are in one-to-one correspondence.
5. The gateway system according to claim 2, wherein the domain communication means is a g.hn digital chip, and the domain modulation apparatus and the domain demodulation apparatus are integrated within the g.hn digital chip.
6. The gateway system according to claim 2, further comprising a network switch chip, wherein the network switch chip is connected to the domain communicator, and the domain communicator receives the communication signal through the network switch chip.
7. The gateway system of claim 6, further comprising an STB chip;
the STB chip is connected with the network switch chip and is used for sending communication signals to the domain communication device through the network switch chip.
8. The gateway system of claim 6, further comprising a power metering system, the power metering system being connected to the network switch chip;
the terminal communication device comprises a terminal meter, the terminal meter is respectively connected with the terminal modulation equipment and the terminal demodulation equipment, the terminal meter is used for acquiring information of external electronic equipment connected to each socket and sending the information to the electric quantity metering system, and the electric quantity metering system is used for receiving the information sent by the terminal meter and carrying out statistical processing according to the information.
9. The gateway system of claim 8, wherein the information comprises power information, fault information, maintenance information, and/or promotional information.
10. A power grid system, characterized in that it comprises a gateway system according to any one of claims 1-9.
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| CN202010609902.0A CN111885425B (en) | 2020-06-29 | 2020-06-29 | Gateway system and power grid system |
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| CN202010609902.0A CN111885425B (en) | 2020-06-29 | 2020-06-29 | Gateway system and power grid system |
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| CN111885425B CN111885425B (en) | 2022-08-02 |
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