CN112051745A - Cable modem, intelligent household system and control method - Google Patents
Cable modem, intelligent household system and control method Download PDFInfo
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- CN112051745A CN112051745A CN202010776799.9A CN202010776799A CN112051745A CN 112051745 A CN112051745 A CN 112051745A CN 202010776799 A CN202010776799 A CN 202010776799A CN 112051745 A CN112051745 A CN 112051745A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2642—Domotique, domestic, home control, automation, smart house
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention provides a cable modem, an intelligent home system and a control method, which are applied to the intelligent home system and relate to the technical field of intelligent home, wherein the cable modem comprises the following components: the device comprises a power line communication module, a WIFI module and a control module; the power line communication module and the WIFI module are respectively connected with the control module; the power line communication module is used for controlling intelligent household equipment with a power line communication function in the intelligent household system; the WIFI module is used for realizing transmission of control instructions and equipment data of the intelligent home system; the control module is used for acquiring the identification result of the network management key value in the cable modem and the intelligent household equipment and controlling the network connection of the intelligent household equipment according to the identification result. The function similar to a gateway is realized through the cable modem, the stability of network connection can be improved, the automatic connection of the intelligent home equipment is realized by utilizing the network management key value, and the usability of the intelligent home system is improved.
Description
Technical Field
The invention relates to the technical field of intelligent home, in particular to a cable modem, an intelligent home system and a control method.
Background
Except that the current equipment in the intelligent home is directly connected with the wifi network, part of the equipment needs to be connected with the network through gateway equipment. Gateway equipment in the middle of the intelligence house passes through protocols such as zigBee, Bluetooth and is connected with intelligent household equipment, then links into the wifi network again, and visible gateway equipment is the maincenter equipment in the middle of the intelligence house. However, in the prior art, the gateway device needs to be manually added to the smart home device, and has the problem of wireless network interference, and the usability and stability of the gateway device need to be improved.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a cable modem, an intelligent home system and a control method, which can utilize the cable modem to implement a gateway-like function, improve the stability of network connection, and utilize a network management key value to implement automatic connection of intelligent home devices, thereby improving the usability of the intelligent home system.
In a first aspect, an embodiment of the present invention provides a cable modem, where the cable modem is applied to an intelligent home system, and includes: the device comprises a power line communication module, a WIFI module and a control module;
the power line communication module and the WIFI module are respectively connected with the control module;
the power line communication module is used for connecting and controlling intelligent household equipment with a power line communication function in the intelligent household system;
the WIFI module is used for realizing transmission of control instructions and equipment data of the intelligent home system;
the control module is used for acquiring the identification result of the network management key value in the cable modem and the intelligent household equipment and controlling the network connection of the intelligent household equipment according to the identification result.
In some embodiments, the power line communication module includes a BCM60350 chip; the BCM60350 chip performs data interaction with the intelligent household equipment through a power line interface.
In some embodiments, the control module includes a BCM3390 chip, a RAM memory chip, and a Flash memory chip;
the BCM3390 chip realizes the cable modulation and demodulation function through a built-in DOCSIS protocol component; the uplink rate of cable modulation and demodulation is 1Gbps, and the downlink rate is 10 Gbps;
the RAM memory chip is a 1GB DDR3 SDRAM memory chip;
the Flash memory chip is a Flash memory chip of 512 MB.
In some embodiments, the GPHY1 and GPHY2 of the BCM3390 chip are connected to a transformer and an RJ45, so as to achieve a 10M/100M/1000M wired transmission rate;
the built-in network port GPHY3 of the BCM3390 chip is coupled and connected with the Ethernet interface of the power line communication module through a transformer, and the wired transmission rate of 10M/100M/1000M is realized.
In some embodiments, the WIFI module includes at least one BCM4366 wireless chip.
In some embodiments, the BCM3390 chip is connected to two BCM4366 wireless chips through a PCIE bus, so as to form a dual-frequency wireless connection;
the dual-frequency wireless can realize the network transmission rate of 2.333Gbps at most; the network transmission rate of the maximum 600Mbp can be realized under the 2.4G wireless network; the network transmission rate of 1733Mbps can be realized under the 5G wireless network.
In some embodiments, the antennas of the dual-frequency wireless connection are combined into 2G 4T4R +5G4T4R or dual-frequency 4T 4R.
In some embodiments, the power line communication module comprises an AC/DC power supply module; alternating current is converted into 12V direct current through the AC/DC power supply module, and the power supply module, the WIFI module and the control module are powered.
In a second aspect, an embodiment of the present invention provides an intelligent home system, where the system includes: the system comprises a control center and intelligent household equipment; the intelligent household equipment is connected with the control center through a network;
the control center comprises a cable modem as mentioned in any of the possible embodiments of the first aspect above;
network management key values are built in the intelligent household equipment, and the control center controls the network connection of the intelligent household equipment through the network management key values.
In a third aspect, an embodiment of the present invention further provides an intelligent home control method, where the method is applied to the intelligent home system mentioned in the second aspect, and the method includes:
connecting the control center into a local area network preset by a user;
when the intelligent household equipment requests to access a local area network which is the same as the control center, judging whether a network management key value in the cable modem is the same as a network management key value in the intelligent household equipment or not;
if the two types of the intelligent household equipment are the same, the intelligent household equipment is connected with the control center; if not, the user needs to manually connect the intelligent household equipment with the control center.
The embodiment of the invention has the following beneficial effects:
the invention provides a cable modem, an intelligent home system and a control method, wherein the cable modem is applied to the intelligent home system and comprises the following steps: the device comprises a power line communication module, a WIFI module and a control module; the power line communication module and the WIFI module are respectively connected with the control module; the power line communication module is used for connecting and controlling intelligent household equipment with a power line communication function in the intelligent household system; the WIFI module is used for realizing transmission of control instructions and equipment data of the intelligent home system; the control module is used for acquiring the identification result of the network management key value in the cable modem and the intelligent household equipment and controlling the network connection of the intelligent household equipment according to the identification result. The intelligent home system including the cable modem comprises: the system comprises a control center and intelligent household equipment; the intelligent household equipment is connected with the control center through a network; the control center comprises a cable modem; network management key values are built in the intelligent household equipment, and the control center controls the network connection of the intelligent household equipment through the network management key values. When the intelligent home is controlled, firstly, connecting a control center into a local area network preset by a user, and judging whether a network management key value in a cable modem is the same as a network management key value in intelligent home equipment or not when the intelligent home equipment requests to be connected into the local area network which is the same as the control center; if the two types of the intelligent household equipment are the same, the intelligent household equipment is connected with the control center; if not, the user needs to manually connect the intelligent household equipment with the control center. By the cable modem and the intelligent home system and the method thereof, the cable modem can be used for realizing the function similar to a gateway, the stability of network connection is improved, the network management key value is used for realizing the automatic connection of the intelligent home equipment, and the usability of the intelligent home system is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention as set forth above.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a cable modem according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another cable modem according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an intelligent home system according to an embodiment of the present invention;
fig. 4 is a flowchart of an intelligent home control method according to an embodiment of the present invention.
Icon:
10-a power line communication module; 20-a WIFI module; 30-a control module; 100-a control center; 200-intelligent household equipment.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
PLC (power Line communication), which is a low-cost communication method for transmitting data and voice signals using a power Line, is a wired network constructed by a PLC technology, and can control home appliances through local network devices and devices in a PLC network through an Internet network.
Cable modems (Cable modems) are mainstream broadband access equipment in the world, have huge user groups, and the demand of users on bandwidth is higher and higher, the product technology has been upgraded to DOCSIS 3.1 from DOCSIS2.0/3.0, the downlink rate can reach 10Gbps, and the uplink rate can reach 1 Gbps; because the living places of some users have large areas and the existing wireless technology cannot meet the requirement of complete coverage, the PLC module is integrated on the Cable Modem, and the intelligent home equipment network coverage problem solving idea is achieved. Along with the development of the intelligent home industry, the number of intelligent home devices is increasing, the devices need to be connected in a pairing mode one by one during connection, and the process is complicated, so that a more efficient automatic connection mode is needed to solve the problem of complex connection in the prior art.
Except that the current equipment in the intelligent home is directly connected with the wifi network, part of the equipment needs to be connected with the network through gateway equipment. The gateway equipment in the intelligent home is connected with the intelligent home equipment through protocols such as ZigBee and Bluetooth and then connected into the wifi network, and the visible gateway equipment is central hub equipment in the intelligent home. However, in the prior art, the gateway device needs to be manually added to the smart home device, and has the problem of wireless network interference, and the usability and stability of the gateway device need to be improved.
In summary, an intelligent home center device with a high-efficiency automatic connection function and a large network coverage area is lacked in the prior art, so that the problems of usability and low stability exist in the existing intelligent home.
Based on this, according to the cable modem, the intelligent home system and the control method provided by the embodiment of the invention, the cable modem can be used for realizing a gateway-like function, so that the stability of network connection is improved, the network management key value can be used for realizing automatic connection of the intelligent home equipment, and the usability of the intelligent home system is improved.
To facilitate understanding of the present embodiment, a detailed description will be given of a cable modem disclosed in the present embodiment.
Referring to fig. 1, a schematic structural diagram of a cable modem, which is applied to an intelligent home system, includes: the power line communication module 10, the WIFI module 20 and the control module 30;
the power line communication module 10 and the WIFI module 20 are respectively connected with the control module 30;
the power line communication module 10 is used for connecting and controlling the smart home devices with the power line communication function in the smart home system;
the WIFI module 20 is used for realizing transmission of control instructions and equipment data of the intelligent home system;
the control module 30 is configured to obtain an identification result of the network management key value in the cable modem and the smart home device, and control network connection of the smart home device according to the identification result.
The Power Line Communication module 10 includes a chip related to a PLC (Power Line Communication) function, and can implement a Power Line Communication function, and implement low-cost Communication by transmitting data and voice signals through a Power Line. Through the wired network constructed by the PLC technology, the household appliances can be controlled through the local network equipment, and the equipment in the PLC network can be controlled through the Internet network.
The control module 30, as a main chip, can be regarded as a CPU system, which implements functions of data management and data control. The control module 30 determines the network management key value to implement the connection process of the smart home device. A Network Management Key (NMK) is used as a special mark of the connection process, and the control module 30 detects whether the NMK of the cable modem is the same as the NMK of the smart home device, so as to implement the automatic connection process between the smart home and the cable modem, and defaults that the home of the smart home device is governed by the cable modem.
According to the cable modem provided in the above embodiment, the cable modem integrates a PLC, and is connected to the smart home device with a PLC module by determining whether the same NKM exists, so that a fast and stable smart home connection is realized, and the usability and stability of the smart home are improved.
With reference to the foregoing embodiment, referring to the schematic structural diagram of another cable modem shown in fig. 2, in particular, in some embodiments, the power line communication module 10 includes a BCM60350 chip having a PLC function; the BCM60350 chip performs data interaction with the intelligent household equipment through a power line interface.
The power line communication module 10 includes an AC/DC power supply module; the AC power is converted into 12V DC power by the AC/DC power supply module, and the AC/DC power is used to supply power to the power line communication module 10, the WIFI module 20, and the control module 30. The BCM60350 chip is connected with a relevant power line interface of the control module 30 through a power line interface; the data communication of the smart home is realized by coupling and connecting the Ethernet interface built in the BCM60350 chip through the transformer, namely the power line communication module 10 is controlled through the power line interface and the Ethernet interface to finally realize the interconnection with the smart home with the PLC module.
The control module 30 comprises a BCM3390 chip, an RAM memory chip and a Flash memory chip; the BCM3390 chip realizes the cable modulation and demodulation function through a built-in DOCSIS protocol component; the uplink rate of cable modulation and demodulation is 1Gbps, and the downlink rate is 10 Gbps;
the RAM memory chip is a 1GB DDR3 SDRAM memory chip;
the Flash memory chip is a Flash memory chip of 512 MB.
The BCM3390 can be regarded as a main chip of the control module 30, and forms a small CPU system with the Flash and the DDR3 to realize the functions of data management and control. The BCM3390 chip integrates the DOCSIS, can realize the function of a Cable Modem, has the uplink rate of 1Gbps and the downlink rate of 10Gbps, and can meet the requirements of users to the maximum extent.
The BCM3390 chip is internally provided with 4 10M/100M/1000M network data interfaces, can be respectively connected with a transformer and an RJ45 by using GPHY1 and GPHY2 network ports, and the network ports are wired network ports, so that the 10M/100M/1000M wired transmission rate is finally realized. The built-in network port GPHY3 of the BCM3390 chip is coupled and connected with the Ethernet interface of the power line communication module through a transformer, and the 10M/100M/1000M wired transmission rate is also realized.
As can be seen from the embodiment of the cable modem provided in fig. 2, the cable modem realizes a PLC function through a BCM60350 chip, and interacts with a related UART interface built in a BCM3390 chip, so as to realize data transmission of the smart home device; meanwhile, wireless communication of the intelligent home is achieved with the plurality of BCM4366 wireless chips, and wired communication is achieved through a network data interface built in the BCM3390 chip. The embodiment specifically shows the connection relationship between each module and equipment in the cable modem, and the cable modem is used for judging whether the same NKM exists to realize the connection with the intelligent household equipment with the PLC module, so that the quick and stable intelligent household connection is realized, and the usability and the stability of the intelligent household are improved.
Corresponding to the above embodiment, an embodiment of the present invention further provides an intelligent home system, where a schematic structural diagram of the system is shown in fig. 3, and the system includes: a control center 100 and smart home devices 200; the intelligent household equipment is connected with the control center through a network;
the control center 100 includes the cable modem mentioned in the above embodiment; in the smart home system, the control center may be considered as a gateway device, the smart home device 200 is connected to the control center 100, and the control center 100 is connected to the internet, so that the smart home device 200 is finally connected to the internet.
Network management key values are built in the intelligent home devices 200, and the control center 100 controls the network connection of the intelligent home devices through the network management key values.
The smart home device 200 in this embodiment includes various home appliances, such as: the intelligent household appliances comprise various intelligent household appliances such as a camera, a curtain, a television, a refrigerator, a washing machine, an air conditioner and the like, and have the common characteristic that network management key values are built in all the intelligent household appliances, and the key values are used as fixed marks and are used for the connection process of the network. The key values can be stored in the equipment in advance to serve as factory marks of the equipment; and can also be obtained by user-defined setting.
The control center judges the network management key value to control the network connection of the intelligent household equipment, and brings the intelligent household equipment meeting the connection condition into the administration range of the corresponding control center.
The cable modem in the smart home system provided by the embodiment of the invention has the same technical characteristics as the cable modem provided by the embodiment, so that the same technical problems can be solved, and the same technical effects can be achieved. For a brief description, where not mentioned in the embodiments section, reference may be made to the corresponding content in the foregoing cable modem embodiments.
Corresponding to the foregoing embodiment of the smart home system, an embodiment of the present invention further provides a smart home control method, where the method is applied to the smart home system mentioned in the foregoing embodiment, and a specific flowchart is shown in fig. 4, where the method includes:
step S401, connecting the control center to a local area network preset by a user.
During specific control, the control center needs to be connected to a local area network preset by a user, namely, the control center is connected to the internet. The specific implementation process can realize the networking process through the mobile client of the user, namely, the network connection of the user-internet-control center is realized.
Step S402, when the intelligent household equipment requests to access the local area network which is the same as the control center, whether the network management key value in the cable modem is the same as the network management key value in the intelligent household equipment is judged.
And after the control center is successfully connected, executing the connection process of the intelligent household equipment and the control center. In a specific scene, a user performs networking operation on the intelligent home equipment, the equipment needs to be arranged under the same local area network of the control center, and whether a network management key value built in a cable modem in the control center is the same as a network management key value in the intelligent home equipment, namely whether an NMK of the cable modem is the same as an NMK of the intelligent home equipment, can be directly judged in the same local area network. The judgment result is used as the basis for automatic networking, and the specific judgment process is as follows in step S403.
Step S403, if the data are the same, connecting the intelligent household equipment with a control center; if not, the user needs to manually connect the intelligent household equipment with the control center.
If the NMK of the cable modem is the same as that of the intelligent household equipment, the intelligent household equipment and the control center are in a subordinate relationship, and at the moment, the intelligent household equipment can be directly connected with the control center, so that an automatic networking function is realized; if the NMK of the cable modem is different from that of the intelligent home equipment, the fact that the intelligent home and the control center do not have a subordinate relationship is shown, the automatic networking function cannot be achieved at the moment, if networking is needed, manual implementation of a user is needed, and the intelligent home equipment is connected with the control center through a traditional connection mode of equipment and a network manager.
As can be known from the smart home control method in this embodiment, in the method, judgment of the NKM is achieved through the cable modem integrated with the PLC, that is, whether the same NKM exists is determined to be connected to the smart home device with the PLC module, and a function similar to a gateway is achieved by using the cable modem, so that fast and stable smart home connection is achieved, and convenience and stability of smart home are improved.
The intelligent home system in the intelligent home control method provided by the embodiment of the invention has the same technical characteristics as the intelligent home system provided by the embodiment, so that the same technical problems can be solved, and the same technical effects can be achieved. For the sake of brevity, where not mentioned in the section of the embodiments, reference may be made to the corresponding matters in the foregoing embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus, and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a non-volatile computer-readable storage medium executable by a processor. Based on such understanding, the technical solution of the present invention or a part thereof, which essentially contributes to the prior art, can be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A cable modem, which is applied to a smart home system, comprises: the device comprises a power line communication module, a WIFI module and a control module;
the power line communication module and the WIFI module are respectively connected with the control module;
the power line communication module is used for connecting and controlling the intelligent home equipment with the power line communication function in the intelligent home system;
the WIFI module is used for realizing transmission of control instructions and equipment data of the intelligent home system;
the control module is used for acquiring the identification result of the cable modem and the network management key value in the intelligent household equipment and controlling the network connection of the intelligent household equipment according to the identification result.
2. The cable modem of claim 1, wherein the power line communication module comprises a BCM60350 chip; and the BCM60350 chip performs data interaction with the intelligent household equipment through a power line interface.
3. The cable modem of claim 1, wherein the control module comprises a BCM3390 chip, a RAM memory chip, and a Flash memory chip;
the BCM3390 chip realizes the cable modulation and demodulation function through a built-in DOCSIS protocol component; the uplink rate of the cable modulation and demodulation is 1Gbps, and the downlink rate of the cable modulation and demodulation is 10 Gbps;
the RAM memory chip is a 1GB DDR3 SDRAM memory chip;
the Flash memory chip is a Flash memory chip of 512 MB.
4. The cable modem as claimed in claim 3, wherein the built-in network ports GPHY1 and GPHY2 of the BCM3390 chip are connected with a transformer and RJ45 to realize 10M/100M/1000M cable transmission rate;
the built-in network port GPHY3 of the BCM3390 chip is coupled and connected with the Ethernet interface of the power line communication module through a transformer, and the wired transmission rate of 10M/100M/1000M is realized.
5. The cable modem of claim 4, wherein the WIFI module comprises at least one BCM4366 wireless chip.
6. The cable modem of claim 5, wherein said BCM3390 chip is connected to two said BCM4366 wireless chips via a PCIE bus, respectively, to form a dual-band wireless connection;
the dual-frequency wireless can realize the network transmission rate of 2.333Gbps at most; the network transmission rate of the maximum 600Mbp can be realized under the 2.4G wireless network; the network transmission rate of 1733Mbps can be realized under the 5G wireless network.
7. The cable modem of claim 6, wherein the antenna combination of the dual-frequency wireless connection is 2G 4T4R +5G4T4R or dual-frequency 4T 4R.
8. The cable modem of claim 1, wherein the power line communication module comprises an AC/DC power supply module; alternating current is converted into 12V direct current through the AC/DC power supply module, and the 12V direct current is used for supplying power to the power line communication module, the WIFI module and the control module.
9. The utility model provides an intelligent home system which characterized in that, the system includes: the system comprises a control center and intelligent household equipment; the intelligent household equipment is in network connection with the control center;
the control center comprises a cable modem as set forth in any one of claims 1 to 8;
network management key values are all built in the intelligent household equipment, and the control center controls the network connection of the intelligent household equipment through the network management key values.
10. An intelligent home control method, which is applied to the intelligent home system according to claim 9, the method comprising:
connecting the control center into a local area network preset by a user;
when the intelligent household equipment requests to access the local area network which is the same as the control center, judging whether a network management key value in the cable modem is the same as a network management key value in the intelligent household equipment or not;
if the intelligent household equipment is the same as the control center, connecting the intelligent household equipment with the control center; if the intelligent household equipment is different from the control center, the user needs to manually connect the intelligent household equipment with the control center.
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