CN201629754U - Network data receiving circuit and set top box with same - Google Patents
Network data receiving circuit and set top box with same Download PDFInfo
- Publication number
- CN201629754U CN201629754U CN2010201026608U CN201020102660U CN201629754U CN 201629754 U CN201629754 U CN 201629754U CN 2010201026608 U CN2010201026608 U CN 2010201026608U CN 201020102660 U CN201020102660 U CN 201020102660U CN 201629754 U CN201629754 U CN 201629754U
- Authority
- CN
- China
- Prior art keywords
- network
- network data
- receiving circuit
- top box
- data receiving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a network data receiving circuit and set top box provided with the network data receiving circuit. The network data receiving circuit comprises a coaxial broadband access unit and a network data switching unit, wherein the coaxial broadband access unit is connected with not only a coaxial cable but also the network data switching unit; and the network data switching unit is provided with at least one network connection port used for connecting network terminal equipment and/or an external network interface. The traditional coaxial network can be used for conveniently receiving network data through the network data receiving circuit provided by the utility model so as to fulfill the internet function for the terminal equipment.
Description
Technical field
The utility model relates to a kind of signal receiving circuit, specifically, relates to a kind of network data receiving circuit, belongs to network communications technology field.
Background technology
At present, have on the network-termination devices such as top box of digital machine of Internet network function and only be provided with an Ethernet interface, be used for receiving network data.If will realize function of surfing the Net, need on these network-termination devices, increase the MODEM equipment that broadband access network is used, perhaps need to equipment disposition wireless network card and wireless router.On the other hand, existing residential building has all been laid coaxial cable mostly, and does not lay netting twine.At this moment,, need lay netting twine again, or configuration switch/router realizes wiring logging-on function, realize getting online without being tethered to a cable perhaps for equipments for surfing the net such as equipment disposition wireless network card and wireless router if will realize having the function of surfing the Net of the network-termination device of Ethernet interface.Therefore, the existing network terminal equipment realizes that function of surfing the Net is very inconvenient, and realizes that cost is higher.
Summary of the invention
The utility model only has an Ethernet interface, realizes the function of surfing the Net inconvenience and realizes the cost technical problems of high at network-termination device in the prior art, a kind of network data receiving circuit is provided, utilize this network data receiving circuit can utilize existing coaxial network receiving network data easily, realize the function of surfing the Net of terminal equipment.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of network data receiving circuit comprises coaxial broadband access unit and network data crosspoint, and described coaxial broadband access unit connects coaxial cable on the one hand, is connected with described network data crosspoint on the other hand; Described network data crosspoint has at least 1 and is used to the network connection port that connects network-termination device and/or extend out network interface.
According to network data receiving circuit described in the utility model, described coaxial broadband access unit connects described coaxial cable by filter unit.
Preferably, described filter unit adopts duplexer to realize, is used for filtering the network data and the TV signal data of described coaxial cable.
According to network data receiving circuit described in the utility model, for realizing the network interface that extends out of receiving circuit, described network data crosspoint is connected with the Network Isolation unit by its network connection port, and then connect by described Network Isolation unit and to extend out network interface unit, the described network interface unit that extends out is used to connect network-termination device.
Wherein, described Network Isolation unit can adopt isolating transformer to realize; The described network interface unit that extends out includes several RJ45 interfaces, and each RJ45 interface is connected with a network connection port of described network data crosspoint by a Network Physical Separator respectively.
Another purpose of the present utility model provides a kind of set-top box with network data receiving circuit, described network data receiving circuit comprises coaxial broadband access unit and network data crosspoint, described coaxial broadband access unit connects the coaxial cable of transmitting network data on the one hand, is connected with described network data crosspoint on the other hand; Described network data crosspoint has at least 1 and is used to the network connection port that connects network-termination device and/or extend out network interface.
According to set-top box described in the utility model, described network data receiving circuit can be arranged in the set-top box or be arranged on the set-top box outside, can adopt multiple mode to be connected with the lan interfaces or the network physical layer interface of set-top box, and is specific as follows:
Described network data receiving circuit is arranged in the described set-top box, and described network data crosspoint is when having a network connection port, and described network connection port directly is connected with the network physical layer interface of set-top box.
Described network data receiving circuit is arranged in the described set-top box, and when described network data crosspoint has a plurality of network connection port, one of them network connection port directly is connected with the network physical layer interface of set-top box, all the other network connection ports are connected with the Network Isolation unit, and then connect by described Network Isolation unit and to extend out network interface unit, the described network interface unit that extends out is used to connect other network-termination devices.
Described network data receiving circuit is arranged on described set-top box outside, described network data crosspoint is connected with the Network Isolation unit by its network connection port, and then connect by described Network Isolation unit and to extend out network interface unit, the described network interface unit that extends out is connected with the lan interfaces of set-top box.
Compared with prior art, advantage of the present utility model and good effect are:
1, by coaxial broadband access unit and network data crosspoint are set in the network data receiving circuit, can make full use of the existing coaxial network resource of broadcasting and TV system, realization is connected the function of surfing the Net of the network-termination device on the network data receiving circuit, do not need additionally to lay netting twine or increase radio networking device, make that the network-termination device online is convenient, cost is lower.
2, utilize the network interface that the network data crosspoint can the extended network data receiver circuit, increase the quantity of the network-termination device that the network data receiving circuit inserted, further improve the convenience of network-termination device online, reduce its cost of surfing the net.
3, by the network data crosspoint being set in set-top box inside and extending out network interface, make set-top box to surf the Net by coaxial cable, have a plurality of network interfaces that extend out simultaneously, realized that the transmission of collection coax network, switch and Digital Television receiving function are the set-top box of one, increase the function of set-top box, improved its cost performance.
Description of drawings
Fig. 1 is the theory diagram of an embodiment of network data receiving circuit described in the utility model;
Fig. 2 is the theory diagram of another embodiment of network data receiving circuit described in the utility model;
Fig. 3 is the theory diagram of first embodiment of set-top box described in the utility model;
Fig. 4 is the theory diagram of second embodiment of set-top box described in the utility model;
Fig. 5 is the theory diagram of the 3rd embodiment of set-top box described in the utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
For realizing that network-termination device utilizes coaxial cable to surf the Net, avoid laying netting twine again or radio networking device being set, the utility model provides a kind of network data receiving circuit, coaxial broadband access unit and network data crosspoint are set in this circuit, realize the mutual conversion of rf data and network data, and coaxial broadband access unit directly is connected with coaxial cable, is used for the network data of demodulation coaxial cable.Network-termination device just can utilize the coaxial network resource to realize function of surfing the Net by communicating with described network data receiving circuit.
When the network data receiving circuit was embedded in the network-termination device, the network connection port of network data crosspoint can directly be connected with the network physical layer interface of network-termination device.If the network data receiving circuit places the network-termination device outside, then need on the network connection port of network data crosspoint, connect and extend out network interface unit, form the external network interface of network data receiving circuit, and then the lan interfaces of network-termination device is connected with the described network interface unit that extends out, realize the function of surfing the Net of network-termination device.
Figure 1 shows that the theory diagram of an embodiment of network data receiving circuit described in the utility model.
As shown in Figure 1, the network data receiving circuit of this embodiment comprises coaxial broadband access unit networks exchanges data unit, and described coaxial broadband access unit connects coaxial cable on the one hand, is connected with described network data crosspoint on the other hand.Described network data crosspoint has 4 network connection ports, and one of them network connection port directly is connected with the network interface of network-termination device, and all the other 3 network connection ports are connected with by the Network Isolation unit and extend out network interface unit.
In this embodiment, described Network Isolation unit employing isolating transformer is realized.The described network interface unit that extends out includes 3 RJ45 interfaces, each RJ45 interface is connected with a network connection port of described network data crosspoint by a Network Physical Separator respectively, form 3 external network interfaces, can connect 3 network-termination devices again.
Those skilled in the art can know that described coaxial broadband access unit can adopt present existing EOC master chip, realize as the EN3230 controller nest plate of Entropic company, the SPC300 nest plate and the peripheral circuit thereof of SPIDCOM company.Described network data crosspoint also can adopt network exchanging chip commonly used and peripheral circuit thereof to realize.
Figure 2 shows that the theory diagram of another embodiment of network data receiving circuit described in the utility model.
The network data receiving circuit structure of this embodiment and network data receiving circuit structure and the operation principle of Fig. 1 embodiment are basic identical.The difference part is that in Fig. 2 embodiment, the coaxial broadband access unit in the network data receiving circuit connects coaxial cable by duplexer.Wherein, duplexer is as filter unit, can filter out network data and TV signal data in the described coaxial cable, network data receives and handles for the network data receiving circuit, and TV signal data can offer the equipment of received television signals such as set-top box, television set and digital intergrated unit and uses.
Fig. 3, Fig. 4 and Fig. 5 show the theory diagram of three embodiment of the set-top box with network data receiving circuit described in the utility model respectively.In these three embodiment, described set-top box has network physical layer interface or lan interfaces (being the LAN mouth), surfs the Net by coaxial cable for realizing set-top box, for it is provided with the network data receiving circuit.
In first embodiment shown in Figure 3, the network data receiving circuit is arranged on set-top box inside, comprise coaxial broadband access unit and network data crosspoint, and the network data crosspoint has a network connection port, directly be connected with the network physical layer interface of set-top box.Data in the coaxial cable are after duplexer filters, and network data is communicated by letter with the set-top box main processing block by set-top box network physical layer interface after coaxial broadband access unit and the processing of network data crosspoint, realizes the function of surfing the Net of set-top box.The TV signal data that filters out through duplexer directly enters the set-top box main processing block, transfers to television set and play after the TV signal receiving unit is handled.
Transmission of set-top box collection coax network and the digital TV set-top box function of described first embodiment are one, can realize the function by coaxial cable while receiving digital television signal and network signal.
In second embodiment shown in Figure 4, the network data receiving circuit is arranged on set-top box inside, comprises coaxial broadband access unit and network data crosspoint, and the network data crosspoint has 4 network connection ports.One of them network connection port directly is connected with set-top box network physical layer interface, makes set-top box to realize function of surfing the Net by coaxial cable; All the other 3 network connection ports extend out network interface unit by the connection of Network Isolation unit.The described network interface unit that extends out includes 3 RJ45 interfaces, each RJ45 interface is connected with a network connection port of described network data crosspoint by a Network Physical Separator respectively, form 3 external network interfaces, can connect 3 network-termination devices again, thereby make set-top box can be used as switch, external a plurality of network-termination devices.
Data in the coaxial cable are after duplexer filters, and network data is communicated by letter with the set-top box main processing block by set-top box network physical layer interface after coaxial broadband access unit and the processing of network data crosspoint, realizes the function of surfing the Net of set-top box; Or through the Network Isolation unit and extend out network interface unit, for the network-termination device that is connected on the RJ45 interface provides network data.The TV signal data that filters out through duplexer directly enters the set-top box main processing block, transfers to television set and play after the TV signal receiving unit is handled.
The transmission of set-top box collection coax network, switch and the digital TV set-top box function of described second embodiment are one, have increased the function of set-top box, have improved the cost performance of set-top box.
In the 3rd embodiment shown in Figure 5, the network data receiving circuit is arranged on the set-top box outside, comprises coaxial broadband access unit and network data crosspoint.Described network data crosspoint has 4 network connection ports, be connected with 4 RJ45 interfaces in extending out network interface unit by the Network Isolation unit respectively, set-top box LAN mouth is connected with one of them RJ45 interface that the network data receiving circuit expands.
Data in the coaxial cable are after duplexer filters, network data is after coaxial broadband access unit and the processing of network data crosspoint, through the transmission of Network Isolation unit and RJ45 interface, finally communicate by letter with the set-top box main processing block again, realize the function of surfing the Net of set-top box by set-top box LAN mouth.The TV signal data that filters out through duplexer directly enters the set-top box main processing block, transfers to television set and play after the TV signal receiving unit is handled.
Certainly; the above only is a kind of preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. a network data receiving circuit is characterized in that, comprises coaxial broadband access unit and network data crosspoint, and described coaxial broadband access unit connects coaxial cable on the one hand, is connected with described network data crosspoint on the other hand; Described network data crosspoint has at least 1 and is used to the network connection port that connects network-termination device and/or extend out network interface.
2. network data receiving circuit according to claim 1 is characterized in that, described coaxial broadband access unit connects described coaxial cable by filter unit.
3. network data receiving circuit according to claim 2 is characterized in that, described filter unit adopts duplexer to realize, is used for filtering the network data and the TV signal data of described coaxial cable.
4. according to each described network data receiving circuit in the claim 1 to 3, it is characterized in that, described network data crosspoint is connected with the Network Isolation unit by its network connection port, and then connect by described Network Isolation unit and to extend out network interface unit, the described network interface unit that extends out is used to connect network-termination device.
5. network data receiving circuit according to claim 4 is characterized in that, described Network Isolation unit adopts isolating transformer to realize.
6. network data receiving circuit according to claim 5, it is characterized in that, the described network interface unit that extends out includes several RJ45 interfaces, and each RJ45 interface is connected with a network connection port of described network data crosspoint by a Network Physical Separator respectively.
7. set-top box, has the network data receiving circuit, it is characterized in that, described network data receiving circuit comprises coaxial broadband access unit and network data crosspoint, described coaxial broadband access unit connects the coaxial cable of transmitting network data on the one hand, is connected with described network data crosspoint on the other hand; Described network data crosspoint has at least 1 and is used to the network connection port that connects network-termination device and/or extend out network interface.
8. set-top box according to claim 7, it is characterized in that, described network data receiving circuit is arranged in the described set-top box, and described network data crosspoint has a network connection port, and described network connection port directly is connected with the network physical layer interface of set-top box.
9. set-top box according to claim 7, it is characterized in that, described network data receiving circuit is arranged in the described set-top box, described network data crosspoint has a plurality of network connection ports, one of them network connection port directly is connected with the network physical layer interface of set-top box, all the other network connection ports are connected with the Network Isolation unit, and then extend out network interface unit by the connection of described Network Isolation unit, and the described network interface unit that extends out is used to connect network-termination device.
10. set-top box according to claim 7, it is characterized in that, described network data receiving circuit is arranged on described set-top box outside, described network data crosspoint is connected with the Network Isolation unit by its network connection port, and then connect by described Network Isolation unit and to extend out network interface unit, the described network interface unit that extends out is connected with the lan interfaces of set-top box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201026608U CN201629754U (en) | 2010-01-21 | 2010-01-21 | Network data receiving circuit and set top box with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201026608U CN201629754U (en) | 2010-01-21 | 2010-01-21 | Network data receiving circuit and set top box with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201629754U true CN201629754U (en) | 2010-11-10 |
Family
ID=43061153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201026608U Expired - Lifetime CN201629754U (en) | 2010-01-21 | 2010-01-21 | Network data receiving circuit and set top box with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201629754U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102227137A (en) * | 2011-05-06 | 2011-10-26 | 中兴通讯股份有限公司 | Network digital set top box and method for realizing multiple network access |
| CN102448191A (en) * | 2011-11-16 | 2012-05-09 | 上海大亚科技有限公司 | EOC terminal equipment capable of realizing WIFI (Wireless Fidelity) function |
| CN106210823A (en) * | 2016-08-24 | 2016-12-07 | 广东王牌网络科技有限公司 | A kind of numeric display unit for decoding |
-
2010
- 2010-01-21 CN CN2010201026608U patent/CN201629754U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102227137A (en) * | 2011-05-06 | 2011-10-26 | 中兴通讯股份有限公司 | Network digital set top box and method for realizing multiple network access |
| CN102448191A (en) * | 2011-11-16 | 2012-05-09 | 上海大亚科技有限公司 | EOC terminal equipment capable of realizing WIFI (Wireless Fidelity) function |
| CN106210823A (en) * | 2016-08-24 | 2016-12-07 | 广东王牌网络科技有限公司 | A kind of numeric display unit for decoding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6275054B2 (en) | Expansion of local area network | |
| CN201629754U (en) | Network data receiving circuit and set top box with same | |
| CN102437941A (en) | Ethernet passive optical network (EPON) optical network unit fusing Ethernet over coaxial cable (EoC) function | |
| CN203014806U (en) | Eoc terminal | |
| CN203313213U (en) | Power line carrier multi-media high-speed broadband Internet terminal device | |
| CN202004923U (en) | Three-network integrated multi-service optoelectronic integration network element | |
| CN201789516U (en) | Digital family interaction system based on wireless family gateway | |
| CN101388818A (en) | Data access method and data access system | |
| CN202679536U (en) | High-definition digital set top box | |
| CN102694783A (en) | Tri-network integrated multi-service photoelectric integrated network element | |
| CN103973520B (en) | The more medium high-speed wideband interconnecting terminal devices of power line carrier | |
| CN201601672U (en) | Radio-frequency digital signal transmission system and radio-frequency digital signal access device | |
| CN204733131U (en) | With the intelligent multifunctional multi output frequency demultiplier of wireless network | |
| CN202737864U (en) | Relay device suitable for point-to-multipoint broadband coaxial access | |
| CN202818523U (en) | Digital set-top box provided with broadband coaxial multi-service access module | |
| CN202738038U (en) | Digital television all-in-one machine | |
| CN216904918U (en) | MoCA signal conversion equipment and routing equipment | |
| CN203968140U (en) | The up home gateway of a kind of Cable with voice over ip feature | |
| CN203193639U (en) | Three-network-convergence multi-service photoelectric integrated network element | |
| CN102684792B (en) | A kind of system of Signal transmissions | |
| CN201584992U (en) | Media player | |
| CN201893799U (en) | Internet Protocol (IP) Ethernet user terminal based on coaxial cable transmission | |
| CN202455483U (en) | EoC (Ethernet over Coax) and digital television receiving terminal | |
| CN104022946A (en) | Multi-medium Interconnected gateway device | |
| CN107231497A (en) | A kind of Homeplug for supporting online and the double business of IPTV to transmit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101110 |
|
| CX01 | Expiry of patent term |