CN109168087B - Intelligent television system and method for automatically repairing network and power supply control device - Google Patents

Intelligent television system and method for automatically repairing network and power supply control device Download PDF

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Publication number
CN109168087B
CN109168087B CN201811267570.1A CN201811267570A CN109168087B CN 109168087 B CN109168087 B CN 109168087B CN 201811267570 A CN201811267570 A CN 201811267570A CN 109168087 B CN109168087 B CN 109168087B
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network
power supply
control device
real
time
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CN109168087A (en
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冯杨
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Sichuan Changhong Electric Co Ltd
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Sichuan Changhong Electric Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44227Monitoring of local network, e.g. connection or bandwidth variations; Detecting new devices in the local network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/4425Monitoring of client processing errors or hardware failure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4438Window management, e.g. event handling following interaction with the user interface

Abstract

The invention relates to an intelligent television system with a real-time network state detection and automatic restoration device, a method and a power supply control device, wherein the intelligent television system comprises a TV system, an optical modem and a router gateway, the router gateway is connected with the optical modem, the TV system comprises a network real-time detection unit and a system control unit, and the intelligent television system is characterized in that: the power supply control device is connected with a power supply and provides power supply output for the optical modem and the router gateway, the power supply control device is also connected with a TV system, and when the network real-time detection unit detects that the network is abnormal, the power supply of the power supply control device is controlled to be powered off and powered on in a time sequence mode through the control unit of the system, so that the automatic network recovery capability is realized. The system can be applied to the field of intelligent equipment, such as intelligent televisions, intelligent boxes and the like.

Description

Intelligent television system and method for automatically repairing network and power supply control device
Technical Field
The invention relates to the technical field of intelligent televisions, in particular to an intelligent television system with a real-time detection network and an automatic network restoration device.
Background
The rapidly developed internet has entered into thousands of households, and has increasingly important influence and great change on the life of people, and the intelligent network television also brings endless network experience fun to people. However, it is often found that the television system time is not real-time, the voice operation is not functional, and the network program cannot be requested, or the network video playing is blocked, and the voice and video chatting is intermittent, which is often caused by the network speed becoming slow, the normal connection being impossible, and the network being disconnected.
The network has the problems of low speed, network disconnection and the like, and most of the problems are caused by that the optical modem and the router work after being started for a long time and electronic components overheat due to long-time continuous work; the solving method is that the optical modem and the router gateway are powered off for several minutes and then opened to enable the network to be normal; this problem, which appears to be simple to those familiar with the network, can often plague every household; therefore, the device and the system can help people to deal with the similar problems in a more intelligent way by the intelligent television.
Disclosure of Invention
The invention aims to detect, diagnose and inform the network state to feed back the error information of the network to the user in real time on the basis of the existing intelligent television system, and control and process the fault network in time, thereby achieving the purpose of automatically repairing the network. According to the technical scheme of the invention, the intelligent television system with the real-time network detection and automatic repair device comprises a TV system, an optical modem and a router gateway, wherein the router gateway is connected with the optical modem, the TV system comprises a network real-time detection unit and a system control unit, and the intelligent television system is characterized in that: the power supply control device is connected with a power supply and provides power supply output for the optical modem and the router gateway, the power supply control device is further connected with a TV system, and when the network real-time detection unit detects that the network is abnormal, the system control unit controls the power supply of the power supply control device to be powered off and powered on again, so that automatic network recovery is achieved.
Further, the power supply control device can respectively control the power supply output of the router gateway and the optical modem. And the network real-time detection unit tests the network connection speed, compares the network connection speed with the reference network speed stored and recorded, and judges whether a fault occurs according to the condition that the set repeated detection times are obviously lower than a preset value.
On the other hand, the technical solution of the present invention provides a power supply control device, connected to a power supply, characterized in that: the power supply output port is respectively connected with the router gateway and the optical modem, the communication port or the RJ45 port is used for being connected with a system control unit of a TV system, and the power supply output power supply of the router gateway and/or the optical modem is controlled to be powered off and powered on again according to a control signal of the system control unit, so that the automatic recovery of the network is realized.
On the other hand, according to the technical scheme of the invention, the invention also provides a method for detecting and automatically repairing the real-time network of the intelligent television, which is characterized by comprising the following steps:
step 1, powering on and starting up an intelligent network television, carrying out network setting and connection for the first time, and initializing module states and parameters;
step 2, detecting whether the external network has network faults or not through a network real-time detection unit in the TV system, and finishing the process if the external network is communicated; otherwise, switching to the intranet fault judgment processing;
step 3, if the intranet detects that a fault exists, the system control unit controls the power supply control device to power off and power on the optical modem again to achieve network resetting, and then the step 5 is carried out; if the intranet detects that no fault exists, the system control unit controls the power supply control device to perform power supply outage and power supply re-electrification on the router gateway, and network resetting is achieved;
step 4, carrying out intranet detection, prompting a user that the router gateway hardware of the router is wrong if the fault still exists, and turning to step 5 if the fault is not detected;
and 5, detecting the external network, and prompting the user that the optical modem has a fault, arrears or consults an operator if the external network still has the fault.
Advantageous technical effects
The intelligent television system with the device and the function can automatically repair the network in time when the network has problems, thereby facilitating and reducing the manual intervention of users for processing the problems and enabling the users to be always in a high-quality internet-surfing environment and more intelligent television system experience; invisibly improves the cognition and recognition degree of people to the television brand.
Drawings
FIG. 1 is an embodiment of a smart television system for real-time network detection and automatic repair of devices in accordance with the present invention
FIG. 2 is another embodiment of the smart television system for real-time network detection and automatic repair of devices of the present invention
FIG. 3 is a schematic diagram of an embodiment of the power supply control device of the present invention
FIG. 4 is a schematic view of another embodiment of the power supply control device of the present invention
FIG. 5 is a schematic view of a setup interface of the TV system of the present invention
FIG. 6 is a flow chart of a setup method of the TV system of the present invention
FIG. 7 is a flow chart of the method for real-time network detection and automatic repair of the smart television of the present invention
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples thereof.
As shown in fig. 1, the smart television system with a real-time network detection and automatic repair device includes a TV system, a modem, a router gateway, where the router gateway is connected to the modem, the TV system includes a network real-time detection unit, a system control unit, and a power supply control device, the power supply control device is connected to a power supply and provides power supply output for the modem and the router gateway, and the power supply control device is further connected to the TV system, and when the network real-time detection unit detects a network abnormality, the system control unit controls the power supply of the power supply control device to be powered off and powered on again, so as to achieve network automatic recovery. Wherein, the power supply control device can respectively control the power supply output of the router gateway and the optical modem. The TV system is connected to the router gateway in a wired manner, thereby realizing network connection. Preferably, the wired connection may be a wireless connection.
The system control unit in the TV system can be a CPU, the system control unit controls the GPIO to output high and low level signals and transmits the high and low level signals to the power supply control device through the communication control link, and the power supply control device respectively controls the power supply of the router gateway and the optical modem to be in the off and on states according to the control information, so that the optical modem and the router can recover the normal working state, and the purpose of automatically recovering the network is achieved. Specifically, the real-time detection unit detects the fault conditions of the internal network and the external network, resets the network by controlling the power supply output of the optical modem when the external network has a fault, and resets the network by controlling the power supply output of the router gateway when the internal network has a fault.
Further, if the network cannot be solved by resetting the network, it is further judged that the reason for the inability to network is arrears, a malfunction of a photo cat, or a malfunction of an operator, and information is displayed in a TV display.
The system control unit in the TV system is also connected to a memory, by which set data can be stored and read.
As shown in fig. 2, which is another embodiment of the present invention, unlike fig. 1, in which a router gateway is not directly connected to a TJ45 port of a TV system but is connected to a power supply control device and then connected to the TV system. The TV system is connected with the power supply control device through RJ45 network ports and multiplexing 4, 5, 7 and 8 of CAT 5 network cables as communication control interface cables. At this time, the connection of the network and the control signal is simultaneously realized through the RJ45 port. By adopting the scheme, the existing Ethernet wiring architecture can be applied to the control communication of the system while transmitting the network under the condition of not changing.
As shown in fig. 3-4, which are schematic diagrams of the power supply control device of the present invention, fig. 3 corresponds to the power supply control device of fig. 1, since the router gateway is directly connected to the TV system and does not pass through the power supply control device, the power supply control device only has a communication module, the output 1 and the output 2 are respectively connected to the router gateway and the optical modem, and the power plug is connected to the power supply. As shown in fig. 4, the power supply device is further provided with an input interface and an output interface, and corresponding to the system scheme shown in fig. 2, because the network and the communication control are multiplexed together, a communication serial port is not separately provided.
As shown in fig. 5, it is an interface for setting a TV system, and can be turned ON or OFF by setting a reset setting of a network device monitoring and control device, the optical modem control can be set to three states of ON \ OFF/AUTO, the time interval setting can be set to 5-300S, the routing gateway control can be set to three states of ON \ OFF/AUTO, and the time interval setting can be 5-300S. Meanwhile, the information such as the network state, the GOOD or NG of the optical modem signal, the GOOD or NG of the routing gateway, the network speed monitoring rate and the like can be displayed.
As shown in fig. 6, the flow chart of the television is turned on, the network is set for the first time, the system is activated, and the relevant parameters, status and the like of the system are initialized. As shown in fig. 7, the method for real-time network detection and automatic repair of the smart television includes the following steps: step 1, powering on and starting up an intelligent network television, carrying out network setting and connection for the first time, and initializing module states and parameters;
step 2, detecting whether the external network has network faults or not through a network real-time detection unit in the TV system, and finishing the process if the external network is communicated; otherwise, switching to the intranet fault judgment processing;
step 3, if the intranet detects that a fault exists, the system control unit controls the power supply control device to power off and power on the optical modem again to achieve network resetting, and then the step 5 is carried out; if the intranet detects that no fault exists, the system control unit controls the power supply control device to perform power supply outage and power supply re-electrification on the router gateway, and network resetting is achieved;
step 4, carrying out intranet detection, prompting a user that the router gateway hardware of the router is wrong if the fault still exists, and turning to step 5 if the fault is not detected;
and 5, detecting the external network, and prompting the user that the optical modem has a fault, arrears or consults an operator if the external network still has the fault.
Specifically, the intelligent network television is powered on and started up, network setting and connection are carried out for the first time, the module state and parameters are initialized, and the enabling is set; detecting intranet connection, storing and recording gateway information and an address IP 0; the PING external network detects the connection of the external network, tests the connection speed of the external network, calculates a weighted average value, and stores and records the network speed as a reference network speed; the detect and set function is activated to allow the user to enter the interface (fig. 3) for operating the settings.
And (4) communication detection and fault node judgment of the network. And detecting the network connection condition in a PING external network or internal network mode. The number of repeated detections is set. The external network fault processing is carried out, the TV processor controls the GPIO and communicates the power supply control device to cut off the power supply of the optical modem; after the time T0, the TV processor controls the GPIO and the communication power supply control device to electrify the optical modem power supply; and after the time T, performing external network test, if OK, finishing the processing flow, and if NG, prompting the user to information about the fault, arrearage or operator fault repair of the optical modem.
Processing the faults of the intranet network (the process can set the repeated detection times), controlling the GPIO by the TV processor, communicating a power supply control device and powering off a gateway power supply of the router; after the time T1, the TV processor controls the GPIO, and the communication power supply control device enables the router gateway power supply to be electrified; and after time t, testing the intranet connectivity state, and if the intranet connectivity state is OK, entering the extranet connectivity test. Testing the intranet communication state, if NG; prompting the user of the failure of the router and the gateway; further examination and analysis is required.
Specifically, the network speed is detected in real time and compared with the stored reference speed, if the difference is too large, the TV processor controls the GPIO and communicates with the power supply control device, so that the optical modem and the router gateway power supply are powered off and then powered on to recover the network speed.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. The utility model provides an intelligent television system with real-time network detects and automatic prosthetic devices, includes TV system, light cat, router gateway, and the router gateway is connected with the light cat, the TV system includes network real-time detection unit, system control unit, its characterized in that: the power supply control device is connected with a power supply and respectively provides power supply output for the optical modem and the router gateway, the power supply control device is also connected with a TV system, when the network real-time detection unit detects that the network is abnormal, the system control unit controls the power supply of the power supply control device to be powered off and powered on in a time sequence, so that automatic network recovery is realized, the real-time detection unit detects the fault conditions of an internal network and an external network, the network is reset by controlling the time sequence power supply of the optical modem when the external network has a fault, and the network is reset by controlling the time sequence power supply of the router gateway when the internal network has a fault; if the network can not be solved by resetting the network, the reason of the networking failure is further judged to be arrearage, a light cat failure or an operator failure, and information is displayed in a TV display.
2. The smart tv system with real-time network detection and automatic repair device according to claim 1, wherein: the TV system is connected to a router gateway through a network port arranged on the power supply control device, so that network connection is realized.
3. The smart tv system with real-time network detection and automatic repair device according to claim 2, wherein:
the TV system is connected with the power supply control device through an RJ45 network port multiplexing CAT 5 network cable as a communication control interface cable.
4. The smart tv system with real-time network detection and automatic repair device according to claim 1, wherein: and the system control unit realizes power supply control by controlling GPIO.
5. The smart television system with real-time network detection and automatic repair device according to any one of claims 1 to 3, wherein: and the network real-time detection unit tests the network connection speed, compares the network connection speed with the reference network speed stored and recorded, and judges whether a fault occurs according to the condition that the set repeated detection times are obviously lower than a preset value.
6. A real-time network detection and automatic restoration method for an intelligent television is characterized by comprising the following steps:
step 1, powering on and starting up an intelligent network television, carrying out network setting and connection for the first time, and initializing module states and parameters;
step 2, detecting whether the external network has network faults or not through a network real-time detection unit in the TV system, and finishing the process if the external network is communicated; otherwise, switching to the intranet fault judgment processing;
step 3, if the intranet detects that a fault exists, the system control unit controls the power supply control device to power off and power on the optical modem again to achieve network resetting, and then the step 5 is carried out; if the intranet detects that no fault exists, the system control unit controls the power supply control device to perform power supply outage and power supply re-electrification on the router gateway, and network resetting is achieved;
step 4, carrying out intranet detection, prompting a user that the router gateway hardware of the router is wrong if the fault still exists, and turning to step 5 if the fault is not detected;
and 5, detecting the external network, and prompting the user that the optical modem has a fault, arrears or consults an operator if the external network still has the fault.
7. A power supply control device is connected with a power supply, is provided with a power supply output port respectively connected with a router gateway and a light cat, is used for connecting a system control unit of a TV system through a communication port or an RJ45 port, and controls the power supply output power supply of the router gateway and/or the light cat to be powered off and powered on again according to a control signal of the system control unit, and is characterized in that: the apparatus implements network automatic recovery by the method of claim 6.
CN201811267570.1A 2018-10-29 2018-10-29 Intelligent television system and method for automatically repairing network and power supply control device Active CN109168087B (en)

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Publication number Priority date Publication date Assignee Title
CN116347488B (en) * 2023-02-21 2023-10-20 荣耀终端有限公司 Network blocking processing method, device and storage medium
CN117061325A (en) * 2023-08-03 2023-11-14 广州市柏特科技有限公司 Optical cat device based on network sensing neuron and restarting method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1468000A (en) * 2002-07-10 2004-01-14 吉林省森泰克数据通信技术有限公司 Wireless data monitoring instrument of cable television network
CN101355464A (en) * 2008-08-26 2009-01-28 广州鼎坚资讯科技有限公司 Electric control method and apparatus for monitoring network wire break and automatically restarting network equipment
CN102611589A (en) * 2012-04-12 2012-07-25 南京物联传感技术有限公司 Automatic detection device of disconnection of router and working method thereof
CN203339430U (en) * 2013-07-03 2013-12-11 深圳市蝶瑭电子商务有限公司 Intelligent socket and control system thereof
CN106159579A (en) * 2016-06-23 2016-11-23 江西洪都航空工业集团有限责任公司 A kind of smart jack based on wireless wifi communication technology and control method
CN107508693A (en) * 2016-06-14 2017-12-22 中兴通讯股份有限公司 Router control method, device and power supply adaptor, router
CN108649396A (en) * 2018-05-02 2018-10-12 深圳市相位科技有限公司 A kind of WIFI intelligent sockets and its without the automatic method for restarting of outer net

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1468000A (en) * 2002-07-10 2004-01-14 吉林省森泰克数据通信技术有限公司 Wireless data monitoring instrument of cable television network
CN101355464A (en) * 2008-08-26 2009-01-28 广州鼎坚资讯科技有限公司 Electric control method and apparatus for monitoring network wire break and automatically restarting network equipment
CN102611589A (en) * 2012-04-12 2012-07-25 南京物联传感技术有限公司 Automatic detection device of disconnection of router and working method thereof
CN203339430U (en) * 2013-07-03 2013-12-11 深圳市蝶瑭电子商务有限公司 Intelligent socket and control system thereof
CN107508693A (en) * 2016-06-14 2017-12-22 中兴通讯股份有限公司 Router control method, device and power supply adaptor, router
CN106159579A (en) * 2016-06-23 2016-11-23 江西洪都航空工业集团有限责任公司 A kind of smart jack based on wireless wifi communication technology and control method
CN108649396A (en) * 2018-05-02 2018-10-12 深圳市相位科技有限公司 A kind of WIFI intelligent sockets and its without the automatic method for restarting of outer net

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