CN218830161U

CN218830161U - Built-in dual-mode dual-optical-fiber-access television set top box

Info

Publication number: CN218830161U
Application number: CN202222403016.XU
Authority: CN
Inventors: 王明敏; 陈宝霞; 朱允斌; 茹伟光; 冯浩浔; 吴坚; 李睿; 李勇
Original assignee: Oriental Cable Network Co ltd
Current assignee: Oriental Cable Network Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-04-07
Anticipated expiration: 2032-09-09

Abstract

The utility model relates to a TV set-top box of built-in bimodulus dual optical fiber access, including digital television module (1), bimodulus optical network access wireless routing module (2) and CATV optical receiver (3), digital television module (1) is connected bimodulus optical network respectively and is inserted wireless routing module (2) and CATV optical receiver (3), CATV optical receiver (3) access has first optic fibre, bimodulus optical network access wireless routing module (2) access has second optic fibre, first optic fibre and second optic fibre combination are an optical cable. Compared with the prior art, the utility model has the advantages of the integrated level is high, reduce equipment cost, improve operator dress and maintain efficiency.

Description

Television set top box with built-in dual-mode dual-optical-fiber access

Technical Field

The utility model belongs to the technical field of television signal processing technique and specifically relates to a TV set-top box of two optical fiber access of built-in bimodulus is related to.

Background

At present, cable television users adopt cable television coaxial cables as main home-entry transmission modes. The cable set-top box finishes the television live broadcast receiving and watching of DVB-C cable television signals through a cable coaxial cable in the watching process of a user. When a user needs to order an IP-based interactive television service such as on-demand, review, etc. and an IP broadband internet service, a cable bridge (EOC) device based on a cable television coaxial cable needs to be additionally configured to complete transmission of an IP bidirectional signal, as shown in fig. 1. However, in actual installation and use, peripheral cables such as a line cable and an ethernet cable and power supply equipment are often required to be additionally installed on the external IP device, so that the use and installation cost of a user is often increased, and the user can visually cause too many messy cables. The cable television coaxial cable has a hard shielding layer, which may cause loose connection or poor contact, and may seriously affect the experience of the user's IP broadband internet service and IP bidirectional television service. Meanwhile, due to the limitation of the physical performance of the cable television coaxial cable, the internet access speed of the IP broadband provided at present cannot break through hundreds of megabytes, so that operators cannot enable users to provide gigabit broadband internet access and stabilize IP service experience.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect that above-mentioned prior art exists and provide a TV set top box of built-in bimodulus dual optical fiber access that the integrated level is high, convenient to use.

The purpose of the utility model can be realized by the following technical proposal:

a built-in dual-mode dual-optical-fiber-access television set top box comprises a digital television module, a dual-mode optical network access wireless routing module and a CATV optical receiver, wherein the digital television module is respectively connected with the dual-mode optical network access wireless routing module and the CATV optical receiver, the CATV optical receiver is accessed with a first optical fiber, the dual-mode optical network access wireless routing module is accessed with a second optical fiber, and the first optical fiber and the second optical fiber are combined into an optical cable.

Further, the first optical fiber is a television DVB optical fiber, and the second optical fiber is an IP network optical fiber.

Furthermore, the digital television module comprises a digital television decoding chip, a remote controller receiving chip, a complete machine power switch and a peripheral device, wherein the digital television decoding chip is respectively connected with the remote controller receiving chip and the peripheral device, and the complete machine power switch is used for realizing electrification.

Further, the digital television decoding chip is used for decoding a 4K ultra-high definition digital television.

Furthermore, the peripheral device comprises a cable television radio frequency input interface, a USB port, an Ethernet port, an HDMI interface and a composite audio and video output interface which are respectively connected with the digital television decoding chip, and the cable television radio frequency input interface is connected with the first optical fiber.

Furthermore, the remote controller receiving chip is a bluetooth remote controller receiving circuit.

Furthermore, the dual-mode optical network access wireless routing module is a dual-mode optical network access wireless routing module compatible with a GPON and an EPON.

Further, the dual-mode optical network access wireless routing module comprises a light emitting and receiving BOSA module, an optical network access wireless router, a module power switch and a Wi-Fi built-in antenna, the light emitting and receiving BOSA module is accessed to the second optical fiber, the optical network access wireless router is respectively connected with the light emitting and receiving BOSA module, the Wi-Fi built-in antenna and the digital television module, and the module power switch is used for realizing electrification.

Further, the dual-mode optical network access wireless routing module further comprises a module reset switch.

Further, the Wi-Fi built-in antenna is a 2.4Gwi-Fi antenna.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a bimodulus optical network inserts wireless routing module and digital television module, can make the STB can support two kinds of transmission signal to insert simultaneously through an optical cable (two fibre) access, application range is wide, and the integrated level is high. The utility model discloses an integrated design can effectively reduce the cost of equipment, improves operator dress and maintains efficiency.

2. The utility model discloses first optic fibre is TV DVB optic fibre, the second optic fibre is IP network optic fibre, can support cable TV DVB-C signal and high-speed IP optical network transmission signal access simultaneously, can construct the clear TV live of collection 4K superelevation through this integration access mode, two-way mutual TV is used, high-speed broadband IP goes up the net and the multi-functional terminal of wireless WI-FI access function, can handle melting media business form such as IP on-demand, review and other wisdom communities under the different access modes, the intelligent integration of DVB-C cable TV broadcasting and the two-way mutual TV of IP has been realized, the realization is standardized integrated with the access of the two-way service platform of multiple IP.

3. The utility model discloses an optical cable inserts the reliability that can effectively improve digital television and high-speed IP optical network access signal connection, improves IP broadband internet speed, and multiple equipment is through the unreliability that many cable interconnect caused before avoiding.

4. The utility model discloses a bimodulus optical network inserts wireless routing module and digital television module, uses the clear video decoding of 4K superelevation SoC chip and the dual-mode dual optical fiber of G EPON to insert wireless routing SoC chip of SoC simultaneously, makes the STB both can provide for the clear video of large-code rate 4K superelevation based on optical cable (dual-fiber) IP transmission channel through the integrated design of equipment integration.

5. The utility model discloses bimodulus optical network inserts wireless routing module includes Wi-Fi built-in antenna, can provide high-speed IP broadband access service for the home subscriber, makes things convenient for wireless Wi-Fi terminals such as cell-phone to insert.

Drawings

FIG. 1 is a schematic diagram of a conventional cable set-top box;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a partial circuit diagram of a main memory unit;

FIG. 4 is a circuit diagram of an audio output unit;

FIG. 5 is a circuit diagram of an HDMI output unit;

FIG. 6 is a circuit diagram of a video output unit;

fig. 7 is a circuit diagram of the optical transmit receive BOSA module.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment of the present invention is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

As shown in fig. 2, this embodiment provides a built-in dual-mode dual-optical-fiber access television set-top box, which includes a digital television module 1, a dual-mode optical network access wireless routing module 2, and a CATV optical receiver 3, where the digital television module 1 is connected to the dual-mode optical network access wireless routing module 2 and the CATV optical receiver 3 respectively, the CATV optical receiver 3 is connected to a first optical fiber, and the dual-mode optical network access wireless routing module 2 is connected to a second optical fiber. In this embodiment, the first optical fiber is a DVB optical fiber, and the second optical fiber is an IP network optical fiber. The set-top box can simultaneously realize the functions of DVB-C information 4K ultra-high definition live television receiving, high-speed broadband internet access, IP interactive television service program receiving and operation and the like through two-fiber access of one optical cable. Based on the access mode and the existing unified media engine in the set top box, a user can complete the watching and the operation of two-way services such as media fusion services including live broadcast, on-demand, review, intelligent communities and the like through the operation of a Bluetooth remote controller under a unified operation interface. The set-top box can converge DVB-C signals and high-speed IP optical network access information in one device through one optical cable and two fibers to realize the integration of form fusion and function integration.

The digital television module 1 is electrically connected with the dual-mode optical network access wireless routing module 2 to supply power to the digital television module 1. In this embodiment, the digital television module 1 includes a digital television decoding chip 101, a remote controller receiving chip 102, a complete power switch 103 and peripheral devices, the digital television decoding chip 101 is connected to the remote controller receiving chip 102 and the peripheral devices, respectively, and the complete power switch 103 is used for realizing power-on. Wherein:

the digital television decoding chip 101 is a 4K ultra-high definition digital television decoder, is loaded with the existing media engine and is used for decoding interactive television service program signals such as cable DVB-C signals, IP network on-demand, review, intelligent communities and the like;

the peripheral device comprises a cable television radio frequency input (RF) interface 104, a USB port 105, an Ethernet port 106, an HDMI interface 107 and a composite audio and video output interface 108 which are respectively connected with the digital television decoding chip 101, wherein the cable television radio frequency input interface 104 is connected with a first optical fiber;

the remote controller receiving chip 102 is a bluetooth remote controller receiving circuit, and is configured to receive information sent by a bluetooth wireless remote controller and transmit the information to the decoding chip.

In the peripheral device, an HDM I interface and a composite audio and video output interface (3.5 mm) are used as video output interfaces of the set top box, and the functions of media playing, recording and USB storage equipment media (photos and videos) reading are realized through a USB interface.

The digital tv decoding chip 101 used in this embodiment includes a main memory unit, a tuning and demodulating unit, a USB unit, an audio output unit, a video output unit, a network card portion, and a power supply portion, and some circuit diagrams are shown in fig. 3 to fig. 6.

In this embodiment, the dual-mode optical network access wireless routing module 2 is a dual-mode optical network access wireless routing module compatible with GPON and EPON, and is configured to provide an IP broadband internet access channel and a cable IP interactive television service return channel. The dual-mode optical network access wireless routing module 2 comprises a light emission and reception BOSA module 201, an optical network access wireless router 202, a module power switch 203 and a Wi-Fi built-in antenna 204, the light emission and reception BOSA module 201 accesses the second optical fiber, the optical network access wireless router 202 is respectively connected with the light emission and reception BOSA module 201, the Wi-Fi built-in antenna 204 and the digital television module 1, and the module power switch 203 is used for achieving power on. Wherein:

the optical transmitting and receiving BOSA module 201 is configured to convert the second optical fiber, i.e., the transmission IP network optical signal, into an IP gigabit network signal that can be received by the dual-mode optical network access wireless routing module;

the Wi-Fi built-in antenna 204 is a 2.4Gwi-Fi antenna, wireless data transmission is achieved through an 802.11b/g/n protocol, a WI-FI wireless network access function is provided, and a wireless WI-FI internet access function can be provided for a mobile phone, a tablet and a computer.

In the embodiment, the optical network access wireless router 202 is of an EN7526F/FC model and is connected with a DDR2SDRAM main memory unit. The optical transmit receive BOSA module 201 adopts an RT990, and a partial circuit diagram is shown in fig. 7.

In another embodiment, the dual-mode optical network access wireless routing module 2 further comprises a module reset switch 204.

In this embodiment, the CATV optical receiver 3 is a built-in CATV micro optical receiver, and is configured to convert the first optical fiber, i.e., the transmission television DVB optical signal, into a cable DVB-C signal that can be received by the cable RF input module. The CATV optical receiver 3 of the present embodiment is an EN7570/EN7571 type.

In one embodiment, the size of the host system of the set-top box is 125mm 180mm, the set-top box is provided with a power switch, a built-in G/EPON dual-mode optical network is connected with a wireless routing module reset button, and the front baffle is provided with a power indicator light and a toggle switch.

The set top box has a G/EPON dual-mode and dual-fiber input function, provides a wireless AP access function, a wired IP high-speed broadband access function, a wired 4K ultra-high definition television signal decoding function, a watching-back and on-demand interactive television function based on an IP network, and a Bluetooth remote control function, has a highly integrated design, has the characteristics of multiple functions and high integration, and provides good stability.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by logical analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention by those skilled in the art should be within the scope of protection defined by the claims.

Claims

1. A television set top box with built-in dual modes and dual optical fiber accesses is characterized by comprising a digital television module (1), a dual-mode optical network access wireless routing module (2) and a CATV optical receiver (3), wherein the digital television module (1) is respectively connected with the dual-mode optical network access wireless routing module (2) and the CATV optical receiver (3), a first optical fiber is accessed to the CATV optical receiver (3), a second optical fiber is accessed to the dual-mode optical network access wireless routing module (2), and the first optical fiber and the second optical fiber are combined into an optical cable.

2. The set top box of claim 1, wherein the first fiber is a DVB television fiber and the second fiber is an IP network fiber.

3. The set-top box of the built-in dual-mode dual-fiber access television set as claimed in claim 1, wherein the digital television module (1) comprises a digital television decoding chip (101), a remote control receiving chip (102), a complete set power switch (103) and peripheral devices, the digital television decoding chip (101) is respectively connected with the remote control receiving chip (102) and the peripheral devices, and the complete set power switch (103) is used for realizing power-on.

4. The set top box of claim 3, wherein the digital TV decoding chip (101) decodes for 4K ultra high definition digital TV.

5. The set top box according to claim 3, wherein the peripheral devices comprise a cable TV RF input interface (104), a USB port (105), an Ethernet port (106), an HDMI interface (107) and a composite audio/video output interface (108) respectively connected to the digital TV decoder chip (101), and the cable TV RF input interface (104) is connected to the first optical fiber.

6. The set-top box of claim 3, wherein said remote control receiver chip (102) is a Bluetooth remote control receiver circuit.

7. The set-top box of claim 1, wherein the dual-mode optical network access wireless routing module (2) is a dual-mode optical network access wireless routing module compatible with GPON and EPON.

8. The set top box of the built-in dual-mode dual-optical-fiber access television set according to claim 1, wherein the dual-mode optical network access wireless routing module (2) comprises an optical transmission and reception BOSA module (201), an optical network access wireless router (202), a module power switch (203) and a Wi-Fi built-in antenna (204), the optical transmission and reception BOSA module (201) accesses the second optical fiber, the optical network access wireless router (202) is respectively connected with the optical transmission and reception BOSA module (201), the Wi-Fi built-in antenna (204) and the digital television module (1), and the module power switch (203) is used for realizing power-on.

9. The set-top box of a built-in dual mode dual fiber access television set-top box according to claim 8, wherein the dual mode optical network access wireless routing module (2) further comprises a module reset switch (205).

10. The set top box of built-in dual mode dual fiber access television of claim 8, wherein the Wi-Fi built-in antenna (204) is a 2.4GWi-Fi antenna.