CN102223499B - Television network switching method, device and television - Google Patents
Television network switching method, device and television Download PDFInfo
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- CN102223499B CN102223499B CN201110175974.XA CN201110175974A CN102223499B CN 102223499 B CN102223499 B CN 102223499B CN 201110175974 A CN201110175974 A CN 201110175974A CN 102223499 B CN102223499 B CN 102223499B
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Abstract
The invention discloses a television network switching method, a device and a television. The method comprises the following steps: detecting whether external network communication equipment is connected or not; when the external network communication equipment is connected, controlling an internal network transmission channel to be disconnected, and transmitting a network signal to a television chip through the external network communication equipment; and when the external network communication equipment is not connected, controlling the internal network transmission channel to be connected, and directly transmitting a network signal to the television chip. The invention can realize the automatic switching of the television network, reduces the artificial participation process, is simple to operate, has simple system structure design, and effectively reduces the cost.
Description
Technical field
The present invention relates to TV technology, specially refer to a kind of television set method for switching network, device and television set.
Background technology
Along with the fast development of TV tech industry, the type of television set is more and smaller and more exquisite, develop into ultrathin panel TV by traditional television type of past, it is more clear that television indicator also develops into image quality gradually, such as plasm TV or liquid crystal TV set etc.Simultaneously, people require also more and more higher to the variation of functions of television set, the programme signal that can only be sent by antenna reception TV station by traditional television set of past, progressively develop into and can be connected and watch cable TV with closed-circuit television network, up till now, television set can be watched digital TV in high resolution by connecting switching machine top box.For the new function of convenient expansion, television set, particularly flat-panel TV set, adopt the network communication apparatus structure of plug-in pattern, for example, the PC/TV all-in-one that television set and PC (Personal Computer, personal computer) connect, can select by television set, rating TV programme, can also surf the Net by the network communication module of PC, the operation such as game simultaneously.
Outside existing, hang with in the television product of extraposition net network communication apparatus, in the time that television set does not connect external network communication apparatus, external network wiring is connected with television set network input interface; In the time that television set connects external network communication apparatus, need to manually control by user the switching of network, make network signal by external network communication devices allocation to television set, increased artificial participation process, complicated operation.
Summary of the invention
Main purpose of the present invention is for providing a kind of television set method for switching network, device and television set of the television set network that automatically switches.
The present invention proposes a kind of television set method for switching network, comprises step:
Detect and whether connect external network communication apparatus;
In the time connecting described external network communication apparatus, control the blocking-up of internal network transmission channel, network signal sends to television set chip through described external network communication apparatus;
In the time not connecting described external network communication apparatus, to control internal network transmission channel and be communicated with, network signal directly sends to described television set chip.
Preferably, described control internal network transmission channel blocking-up comprises: internal network commutation circuit is made as to high-impedance state, blocking-up external network is connected to described television set chip, and external network is connected to the external network communication apparatus in parallel with described internal network commutation circuit;
Described control internal network transmission channel is communicated with and comprises: described internal network commutation circuit is made as to connected state, and external network is connected to described television set chip.
Preferably, whether described detection connects external network communication apparatus and comprises:
Utilize identification signal transmission circuit to receive the identification signal of described external network communication apparatus output, and send to described television set microprocessor identification;
In the time that described television set microprocessor recognizes high level, be defined as being connected with external network communication apparatus.
The present invention also proposes a kind of television set network switching device, comprising:
External network communication equipment Inspection module, for detection of whether connecting external network communication apparatus;
Internal network blocking-up module, in the time that external network communication equipment Inspection module detects described external network communication apparatus, controls the blocking-up of internal network transmission channel, and network signal sends to television set chip through described external network communication apparatus;
Internal network connectivity module, in the time that external network communication equipment Inspection module does not detect described external network communication apparatus, controls internal network transmission channel and is communicated with, and network signal directly sends to described television set chip.
Preferably, described internal network blocking-up module comprises: commutation circuit blocking-up submodule, for internal network commutation circuit is made as to high-impedance state, blocking-up external network is connected to described television set chip, and external network is connected to the external network communication apparatus in parallel with described internal network commutation circuit;
Described internal network connectivity module comprises: commutation circuit blocking-up submodule, for described internal network commutation circuit is made as to connected state, external network is connected to described television set chip.
Preferably, described external network communication equipment Inspection module comprises:
Identification signal transmission submodule, for utilizing identification signal transmission circuit to receive the identification signal of described external network communication apparatus output, and sends to described television set microprocessor identification;
Peripheral hardware connects determines submodule, in the time that described television set microprocessor recognizes high level, is defined as being connected with external network communication apparatus.
The present invention also proposes a kind of television set, comprises television set network switching device, and this television set network switching device is connected with the television set chip of inside television, external network communication apparatus and the external network of television set outside, described television set network switching device comprises identification signal transmission circuit, television set microprocessor and internal network commutation circuit, described identification signal transmission circuit, receive the identification signal of described external network communication apparatus output, and send to described television set microprocessor, this television set microprocessor sends switch-over control signal to described internal network commutation circuit, control described internal network commutation circuit blocking-up or be communicated with, and then network signal transmission blocking-up or the connection of control connection between described television set chip and the external network at described internal network commutation circuit two ends.
Preferably, described internal network commutation circuit comprises:
ON-OFF control circuit, receives the switch-over control signal of described television set microprocessor, output switch control signal;
Switch switching circuit, connects described television set chip and external network, receives the switch controlling signal that described ON-OFF control circuit sends, and controls described switch switching circuit blocking-up or is communicated with.
Preferably, described ON-OFF control circuit comprises triode, and described switch switching circuit comprises switching over chip;
The base stage of described triode receives through the first resistance the switch-over control signal that described television set microprocessor sends, and the collector electrode transmit button control signal of this triode is to the first control end of described switching over chip; The collector electrode of described triode connects supply voltage, the grounded emitter of this triode through the second resistance; The second control end of described switching over chip receives the switch-over control signal that described television set microprocessor sends, the external network signaling interface of this switching over chip receives the network signal that described external network sends, and network signal is sent to described television set chip by the internal network signaling interface of this switching over chip.
Preferably, described identification signal transmission circuit comprises the 3rd resistance, the 4th resistance and electric capacity, the identification signal output of described external network communication apparatus is through capacity earth, this identification signal output also connects the input of described television set microprocessor through described the 3rd resistance, the input of this television set microprocessor is through described the 4th grounding through resistance.
The present invention utilizes television set network switching device, makes television set in the time connecting external network communication apparatus, arrives television set chip by television set network switching device control network signal by external network communication device transmission; In the time not connecting external network communication apparatus, be directly transferred on television set chip by television set network switching device control network signal; Realize the automatic switchover of television set network, reduce artificial participation process, simple to operate; System structure design is simple, effectively reduces costs.
Brief description of the drawings
Fig. 1 is the flow chart of television set method for switching network in one embodiment of the invention;
Fig. 2 is the flow chart of steps of controlling the blocking-up of internal network transmission channel in one embodiment of the invention or being communicated with;
Fig. 3 detects the flow chart of steps that whether connects external network communication apparatus in one embodiment of the invention;
Fig. 4 is the structural representation of television set network switching device in one embodiment of the invention;
Fig. 5 is the structural representation of internal network blocking-up module in one embodiment of the invention;
Fig. 6 is the structural representation of internal network connectivity module in one embodiment of the invention;
Fig. 7 is the structural representation of external network communication apparatus detection module in one embodiment of the invention;
Fig. 8 is the structural representation that in one embodiment of the invention, television set network switching device is connected with television set chip, external network communication apparatus and external network;
Fig. 9 is the structural representation of internal network commutation circuit in one embodiment of the invention;
Figure 10 is the circuit diagram of ON-OFF control circuit in one embodiment of the invention;
Figure 11 is the circuit diagram of switch switching circuit in one embodiment of the invention;
Figure 12 is the circuit diagram of identification signal transmission circuit in one embodiment of the invention.
Realization, functional characteristics and the advantage of the object of the invention, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
With reference to Fig. 1, Fig. 1 is the flow chart of television set method for switching network in one embodiment of the invention.As shown in Figure 1, in the embodiment of the present invention, television set method for switching network comprises the following steps:
Step S10, detects and whether connects external network communication apparatus;
The present embodiment detects the I/O control port of television set by television set microprocessor, judge whether I/O control port is connected with external network communication apparatus.
Step S20, in the time connecting described external network communication apparatus, controls the blocking-up of internal network transmission channel, and network signal sends to television set chip through described external network communication apparatus;
In the present embodiment, in the time that television set microprocessor detects that the I/O control port of television set is connected with external network communication apparatus, television set microprocessor output cut-off signals, control internal network transmission channel in blocking state, network signal is admitted to external network communication apparatus, and by external network communication apparatus, network signal is assigned to television set chip.
Step S30, in the time not connecting described external network communication apparatus, controls internal network transmission channel and is communicated with, and network signal directly sends to described television set chip.
In the present embodiment, when television set microprocessor is by the detection of the I/O control port to television set, when external network communication equipment connection do not detected, the output of television set microprocessor connects signal, control internal network transmission channel and be communicated with, network signal directly sends to television set chip.
Whether the embodiment of the present invention can install external network communication apparatus by detecting, and realizes the switching to television set network signal, reduces artificial participation process, simple to operate.
With reference to Fig. 2, Fig. 2 is the flow chart of steps of middle control internal network transmission channel blocking-up embodiment illustrated in fig. 1 or connection.As shown in Figure 2, in above-described embodiment, step S20 specifically comprises:
Step S21, is made as high-impedance state by internal network commutation circuit, and blocking-up external network is connected to described television set chip, and external network is connected to the external network communication apparatus in parallel with described internal network commutation circuit;
Above-mentioned steps S30 specifically comprises: step S31, described internal network commutation circuit is made as to connected state, and external network is connected to described television set chip.
The present embodiment is connected with internal network commutation circuit between television set chip and television set network input interface, by the blocking-up of television set microprocessor control internal network commutation circuit, network signal is not directly transferred on television set chip, but by being connected to the external network communication device transmission network signal on television set chip.In the time of external network communication apparatus and television set disconnection, television set microprocessor control internal network commutation circuit is communicated with, and network signal is transferred on television set chip through internal network commutation circuit.Above-mentioned internal network commutation circuit comprises triode and switching over chip, exports high/low level signal by television set microprocessor, controls conducting or the cut-off of triode.In the time of television set microprocessor output low level, end through transistor base control triode, transistor collector output high level, the low level of television set microprocessor output control switch together with the high level of transistor collector output switches chip conducting, and network signal sends to television set chip by switching over chip; In the time of television set microprocessor output high level, through the conducting of transistor base control triode, transistor collector output low level, the high level of television set microprocessor output control switch together with the low level of transistor collector output switches chip cut-off, network signal can not arrive television set chip by switching over chip, but transmits by external network communication apparatus.Said structure simplicity of design, can effectively reduce costs.
With reference to Fig. 3, Fig. 3 is the flow chart of steps whether middle detection embodiment illustrated in fig. 1 connects external network communication apparatus.As shown in Figure 3, above-mentioned steps S10 comprises:
Step S11, utilizes identification signal transmission circuit to receive the identification signal of described external network communication apparatus output, and sends to described television set microprocessor identification;
Step S12, in the time that described television set microprocessor recognizes high level, is defined as being connected with external network communication apparatus.
In the present embodiment, in the time that external network communication apparatus is connected with television set, television set is external network communication apparatus power supply, make the identification signal of external network communication apparatus output high level, be transferred to the input of television set microprocessor through identification signal transmission circuit, for the identification of television set microprocessor.Above-mentioned identification signal transmission circuit comprises a low-pass filter circuit and a current-limiting resistance, and structural design is simple, can effectively reduce costs.
With reference to Fig. 4 to Fig. 6, Fig. 4 is the structural representation of television set network switching device in one embodiment of the invention; Fig. 5 is the structural representation of network blocking-up module in the switching device shifter of television set micronetwork shown in Fig. 4, and Fig. 6 is the structural representation of network-in-dialing module in television set network switching device shown in Fig. 4; Fig. 7 is the structural representation of external network communication apparatus detection module in television set network switching device.
As shown in Figure 4, in the embodiment of the present invention, television set network switching device 10 comprises:
External network communication equipment Inspection module 111, for detection of whether connecting external network communication apparatus;
Internal network blocking-up module 112, in the time that external network communication equipment Inspection module detects described external network communication apparatus, controls the blocking-up of internal network transmission channel, and network signal sends to television set chip through described external network communication apparatus;
Internal network connectivity module 113, in the time that external network communication equipment Inspection module does not detect described external network communication apparatus, controls internal network transmission channel and is communicated with, and network signal directly sends to described television set chip.
The present embodiment detects the I/O control port of television set by the external network communication equipment Inspection module 111 of television set network switching device 10, judge whether I/O control port is connected with external network communication apparatus.In the time that external network communication equipment Inspection module 111 detects that the I/O control port of television set is connected with external network communication apparatus, internal network blocking-up module 112 is exported cut-off signals, control the blocking-up of internal network transmission channel, network signal is admitted to external network communication apparatus, and by external network communication apparatus, network signal is assigned to television set chip; In the time that external network communication equipment Inspection module 111 has not detected external network communication equipment connection, 113 outputs of internal network connectivity module connect signal, control internal network transmission channel and are communicated with, and network signal directly sends to television set chip.Whether the embodiment of the present invention can install external network communication apparatus by detecting, and realizes the switching to television set network signal, reduces artificial participation process, simple to operate.
As shown in Figure 5, above-mentioned internal network blocking-up module 112 comprises: commutation circuit blocking-up submodule 1120, for internal network commutation circuit is made as to high-impedance state, blocking-up external network is connected to described television set chip, and external network is connected to the external network communication apparatus in parallel with described internal network commutation circuit;
The present embodiment is connected with internal network commutation circuit between television set chip and television set network input interface, block submodule 1120 and control the blocking-up of internal network commutation circuit by commutation circuit, network signal is not directly transferred on television set chip, but by being connected to the external network communication device transmission network signal on television set chip.
As shown in Figure 6, above-mentioned internal network connectivity module 113 comprises: commutation circuit blocking-up submodule 1130, for described internal network commutation circuit is made as to connected state, external network is connected to described television set chip.
In the time of external network communication apparatus and television set disconnection, commutation circuit blocking-up submodule 1130 is controlled internal network commutation circuit and is communicated with, and network signal is transferred on television set chip through internal network commutation circuit.
Above-mentioned internal network commutation circuit comprises triode and switching over chip, exports high/low level signal by television set microprocessor, controls conducting or the cut-off of triode.In the time of television set microprocessor output high level, through the conducting of transistor base control triode, transistor collector output low level, the high level of television set microprocessor output control switch together with the low level of transistor collector output switches chip cut-off, network signal can not arrive television set chip by switching over chip, but transmits by external network communication apparatus; In the time of television set microprocessor output low level, end through transistor base control triode, transistor collector output high level, the low level of television set microprocessor output control switch together with the high level of transistor collector output switches chip conducting, and network signal sends to television set chip by switching over chip.Said structure simplicity of design, can effectively reduce costs.
As shown in Figure 7, above-mentioned external network communication equipment Inspection module 111 specifically comprises:
Identification signal transmission submodule 1111, for utilizing identification signal transmission circuit to receive the identification signal of described external network communication apparatus output, and sends to described television set microprocessor identification;
Peripheral hardware connects determines submodule 1112, in the time that described television set microprocessor recognizes high level, is defined as being connected with external network communication apparatus.
In the present embodiment, in the time that external network communication apparatus is connected with television set, television set is external network communication apparatus power supply, make the identification signal of external network communication apparatus output high level, be transferred to the input of television set microprocessor through identification signal transmission circuit, identify for the external network communication equipment Inspection module 111 of television set network switching device 10.Above-mentioned identification signal transmission circuit comprises a low-pass filter circuit and a current-limiting resistance, and structural design is simple, can effectively reduce costs.
With reference to Fig. 8 to Figure 12, Fig. 8 is the structural representation that in one embodiment of the invention, television set network switching device is connected with television set chip, external network communication apparatus and external network; Fig. 9 is the structural representation of internal network commutation circuit in television set network switching device shown in Fig. 8; Figure 10 is the structural representation of ON-OFF control circuit in internal network commutation circuit shown in Fig. 9; Figure 11 is the structural representation of switch switching circuit in internal network commutation circuit shown in Fig. 9; Figure 12 is the structural representation of identification signal transmission circuit in television set network switching device shown in Fig. 8.
As shown in Figure 8, in the embodiment of the present invention, television set comprises television set network switching device 10, and this television set network switching device 10 is connected with the television set chip 30 of inside television, external network communication apparatus 20 and the external network 40 of television set outside, described television set network switching device 10 comprises identification signal transmission circuit 12, television set microprocessor 11 and internal network commutation circuit 13, described identification signal transmission circuit 12, receive the identification signal that described external network communication apparatus 20 is exported, and send to described television set microprocessor 11, this television set microprocessor 11 sends switch-over control signal to described internal network commutation circuit 13, controlling described internal network commutation circuit 13 blocks or is communicated with, and then network signal transmission blocking-up or the connection of control connection between described television set chip 30 and the external network 40 at described internal network commutation circuit 13 two ends.
The present embodiment detects the I/O control port of television set by television set microprocessor 11, judge whether I/O control port is connected with external network communication apparatus 20.When external network communication apparatus 20 is connected with television set, television set is powered to external network communication apparatus 20, make external network communication apparatus 20 send identification signal and arrive television set microprocessor 11 through identification signal transmission circuit 12, television set microprocessor 11 is exported cut-off signals, controlling internal network commutation circuit 13 blocks, now internal network transmission channel blocking-up, network signal is admitted to external network communication apparatus 20, and by external network communication apparatus 20, network signal is assigned to television set chip 30; When television set does not connect external network communication apparatus 20,11 outputs of television set microprocessor connect signal, control internal network commutation circuit 13 and are communicated with, and now internal network transmission channel is communicated with, and network signal directly sends to television set chip 30.Whether the embodiment of the present invention can install external network communication apparatus 20 by detecting, and realizes the switching to television set network signal, reduces artificial participation process, simple to operate.
As shown in Figure 9, the internal network commutation circuit 13 of above-mentioned television set network switching device 10 comprises:
ON-OFF control circuit 131, receives the switch-over control signal of described television set microprocessor 11, output switch control signal;
Switch switching circuit 132, connects described television set chip 30 and external network 40, receives the switch controlling signal that described ON-OFF control circuit 131 sends, and controls described switch switching circuit 132 and blocks or be communicated with.
In the present embodiment, in the time of television set microprocessor 11 output low level control signal, ON-OFF control circuit 131 is exported high level signal, and then control switch commutation circuit 132 is communicated with; In the time that television set microprocessor 11 is exported high-level control signal, ON-OFF control circuit 131 output low level signals, and then control switch commutation circuit 132 is blocked.Above-mentioned ON-OFF control circuit 131 plays the effect of driving switch, and control switch commutation circuit 132 completes connection and the disconnection of internal path.Specific embodiments is described in detail in subsequent embodiment.
As shown in figure 10, the ON-OFF control circuit 131 of above-mentioned internal network commutation circuit 13 comprises triode Q, the base stage of described triode Q receives through the first resistance R 1 switch-over control signal that above-mentioned television set microprocessor 11 sends, and the collector electrode transmit button control signal of this triode Q is to the first control end NS_S of above-mentioned switch switching circuit 132; The collector electrode of described triode Q also connects supply voltage VCC through the second resistance R 2, the grounded emitter of this triode Q.
In the present embodiment, export the control signal input NS_EN of high/low level to ON-OFF control circuit 131, the Q conducting of control signal control triode or cut-off by television set microprocessor 11.In the time that television set microprocessor 11 is exported high-level control signal, through the base stage control triode Q of triode Q conducting, the collector electrode output low level of triode Q, together with the high level of exporting with television set microprocessor 11, control switch commutation circuit 132 is blocked, network signal can not arrive television set chip 30 by switch switching circuit 132, but transmits by external network communication apparatus 20; In the time of television set microprocessor 11 output low level control signal, through the base stage control triode Q of triode Q cut-off, triode Q collector electrode output high level, together with the low level of exporting with television set microprocessor 11, control switch commutation circuit 132 is communicated with, and network signal sends to television set chip 30 by switch switching circuit 132.The present embodiment is the control switch as internal network commutation circuit 13 by triode Q, and project organization is simple, easily realizes, and can effectively reduce costs.
As shown in figure 11, the switch switching circuit 132 of above-mentioned internal network commutation circuit 13 comprises switching over chip U, the first control end NS_S of this switching over chip U receives the switch controlling signal of the collector electrode output of above-mentioned triode Q, the second control end NS_EN of this switching over chip U receives the switch-over control signal that described television set microprocessor 11 sends, and switch controlling signal is communicated with or turn-offs with switch-over control signal co-controlling switching over chip U; External network signaling interface RX+, RX-, TX+, the TX-of this switching over chip U receive the network signal that described external network 40 sends, and network signal is sent to described television set chip 30 by the internal network signaling interface MDI-RP of this switching over chip U, MDI-RN, MDI-TP, MDI-TN.
The present embodiment is exported high/low level controling signal control switch by the collector electrode of television set microprocessor 11 and triode Q and is switched chip U connection or turn-off.In the time that the collector electrode of television set microprocessor 11 output low levels, triode Q is exported high level, switching over chip U conducting, the network signal that external network 40 sends outputs to television set chip 30 through switching over chip U; In the time that television set microprocessor 11 is exported the collector electrode output low level of high level, triode Q, switching over chip U cut-off, the network signal that external network 40 sends can not send to television set chip 30 by switching over chip U, but arrives television set chip 30 by external network communication apparatus 20.Above-described embodiment adopts switching over chip U as be communicated with/blocking-up module, by controlling connection or the blocking-up of internal network transmission channel, realizes the switching of network, and project organization is simple, easily realizes, and production cost is lower.
As shown in figure 12, the identification signal transmission circuit 12 of above-mentioned television set network switching device 10 comprises the 3rd resistance R 3, the 4th resistance R 4 and capacitor C, the identification signal output PCTV-EXIT of described external network communication apparatus 20 is through capacitor C ground connection, this identification signal output PCTV-EXIT also connects the input GPIO_6 of described television set microprocessor 11 through described the 3rd resistance R 3, the input GPIO_6 of this television set microprocessor 11 is through described the 4th resistance R 4 ground connection.
In the present embodiment, the identification signal output PCTV-EXIT of external network communication apparatus 20 is connected with the I/O control end of television set, by detecting the I/O control end of television set, judges whether to connect external network communication apparatus 20.Above-mentioned the 3rd resistance R 3 and capacitor C form a low-pass filter circuit, in the time that external network communication apparatus 20 is connected with television set, television set is powered to external network communication apparatus 20, make the identification signal of the identification signal output PCTV-EXIT output high level of external network communication apparatus 20, be transferred to the input GPIO_6 of television set microprocessor 11 through identification signal transmission circuit 12, identify for television set microprocessor 11.In addition, the present embodiment is also parallel with the 4th resistance R 4 at the input GPIO_6 of television set microprocessor 11, as current-limiting resistance, in the time there is no external external network communication apparatus 20, the 4th resistance R 4 drags down the incoming level of input GPIO_6, can pick out thus and not connect external network communication apparatus 20.The present embodiment structural design is simple, easily realizes, and can effectively reduce production costs.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a television set method for switching network, is characterized in that, comprises step:
Detect and whether connect external network communication apparatus;
Whether described detection connects external network communication apparatus comprises: television set microprocessor detects the I/O control port of television set, judges whether I/O control port is connected with external network communication apparatus;
In the time detecting that the I/O control port of television set connects described external network communication apparatus, television set microprocessor output cut-off signals, control internal network commutation circuit blocking-up internal network transmission channel, network signal sends to television set chip through described external network communication apparatus;
In the time detecting that the I/O control port of television set does not connect described external network communication apparatus, the output of television set microprocessor connects signal, control internal network commutation circuit and be communicated with internal network transmission channel, network signal directly sends to described television set chip through internal network commutation circuit.
2. television set method for switching network according to claim 1, is characterized in that:
Described control internal network transmission channel blocking-up comprises: internal network commutation circuit is made as to high-impedance state, and blocking-up external network is connected to described television set chip, and external network is connected to the external network communication apparatus in parallel with described internal network commutation circuit;
Described control internal network transmission channel is communicated with and comprises: described internal network commutation circuit is made as to connected state, and external network is connected to described television set chip.
3. television set method for switching network according to claim 1, is characterized in that, whether described detection connects external network communication apparatus comprises:
Utilize identification signal transmission circuit to receive the identification signal of described external network communication apparatus output, and send to described television set microprocessor identification;
In the time that described television set microprocessor recognizes high level, be defined as being connected with external network communication apparatus.
4. a television set network switching device, it is characterized in that, described television set network switching device comprises identification signal transmission circuit, television set microprocessor and internal network commutation circuit, described identification signal transmission circuit, receive the identification signal of external network communication apparatus output, and send to described television set microprocessor, described television set microprocessor sends switch-over control signal to described internal network commutation circuit, control described internal network commutation circuit blocking-up or be communicated with, and then network signal transmission blocking-up or the connection of control connection between television set chip and the external network at described internal network commutation circuit two ends, described television set microprocessor detects the I/O control port of television set, judges whether I/O control port is connected with external network communication apparatus, in the time detecting that television set is connected with external network communication apparatus, television set microprocessor output cut-off signals, controls internal network commutation circuit blocking-up internal network transmission channel, network signal is assigned to television set chip by external network communication apparatus, in the time detecting that television set does not connect external network communication apparatus, the output of television set microprocessor connects signal, control internal network commutation circuit and be communicated with internal network transmission channel, so that network signal is directly sent to television set chip through internal network commutation circuit.
5. television set network switching device according to claim 4, is characterized in that: described internal network commutation circuit comprises:
ON-OFF control circuit, receives the switch-over control signal of described television set microprocessor, output switch control signal;
Switch switching circuit, connects described television set chip and external network, receives the switch controlling signal that described ON-OFF control circuit sends, and controls described switch switching circuit blocking-up or is communicated with.
6. television set network switching device according to claim 5, is characterized in that, described ON-OFF control circuit comprises triode, and described switch switching circuit comprises switching over chip;
The base stage of described triode receives through the first resistance the switch-over control signal that described television set microprocessor sends, and the collector electrode transmit button control signal of this triode is to the first control end of described switching over chip; The collector electrode of described triode connects supply voltage, the grounded emitter of this triode through the second resistance; The second control end of described switching over chip receives the switch-over control signal that described television set microprocessor sends, the external network signaling interface of this switching over chip receives the network signal that described external network sends, and network signal is sent to described television set chip by the internal network signaling interface of this switching over chip.
7. a television set, is characterized in that, comprises television set network switching device, and this television set network switching device is connected with the television set chip of inside television, external network communication apparatus and the external network of television set outside, described television set network switching device comprises identification signal transmission circuit, television set microprocessor and internal network commutation circuit, described identification signal transmission circuit, receive the identification signal of described external network communication apparatus output, and send to described television set microprocessor, this television set microprocessor sends switch-over control signal to described internal network commutation circuit, control described internal network commutation circuit blocking-up or be communicated with, and then network signal transmission blocking-up or the connection of control connection between described television set chip and the external network at described internal network commutation circuit two ends, described television set microprocessor detects the I/O control port of television set, judges whether I/O control port is connected with external network communication apparatus, in the time detecting that television set is connected with external network communication apparatus, television set microprocessor output cut-off signals, controls internal network commutation circuit blocking-up internal network transmission channel, by external network communication apparatus, network signal is assigned to television set chip, in the time detecting that television set does not connect external network communication apparatus, the output of television set microprocessor connects signal, controls internal network commutation circuit and is communicated with internal network transmission channel, and network signal is directly sent to television set chip through internal network commutation circuit.
8. television set according to claim 7, is characterized in that, described internal network commutation circuit comprises:
ON-OFF control circuit, receives the switch-over control signal of described television set microprocessor, output switch control signal;
Switch switching circuit, connects described television set chip and external network, receives the switch controlling signal that described ON-OFF control circuit sends, and controls described switch switching circuit blocking-up or is communicated with.
9. television set according to claim 8, is characterized in that, described ON-OFF control circuit comprises triode, and described switch switching circuit comprises switching over chip;
The base stage of described triode receives through the first resistance the switch-over control signal that described television set microprocessor sends, and the collector electrode transmit button control signal of this triode is to the first control end of described switching over chip; The collector electrode of described triode connects supply voltage, the grounded emitter of this triode through the second resistance; The second control end of described switching over chip receives the switch-over control signal that described television set microprocessor sends, the external network signaling interface of this switching over chip receives the network signal that described external network sends, and network signal is sent to described television set chip by the internal network signaling interface of this switching over chip.
10. television set according to claim 7, it is characterized in that, described identification signal transmission circuit comprises the 3rd resistance, the 4th resistance and electric capacity, the identification signal output of described external network communication apparatus is through capacity earth, this identification signal output also connects the input of described television set microprocessor through described the 3rd resistance, the input of this television set microprocessor is through described the 4th grounding through resistance.
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| US10025742B2 (en) | 2015-09-22 | 2018-07-17 | Aic Inc. | JBOD apparatus having BMC module and controlling method for the same |
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| CN105208438B (en) * | 2015-09-24 | 2018-09-25 | 深圳市九洲电器有限公司 | Function switch circuit and gateway formula set-top box |
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| CN102223499A (en) | 2011-10-19 |
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