CN204795445U - Television signal receiving arrangement - Google Patents
Television signal receiving arrangement Download PDFInfo
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- CN204795445U CN204795445U CN201520522020.5U CN201520522020U CN204795445U CN 204795445 U CN204795445 U CN 204795445U CN 201520522020 U CN201520522020 U CN 201520522020U CN 204795445 U CN204795445 U CN 204795445U
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Abstract
The utility model discloses a television signal receiving arrangement. Television signal receiving arrangement includes: shell, main circuit board, be used for the receiving television signal the antenna, be used for with received television signal carry on the demodulation change into intermediate frequency signal the tuner, be used for with intermediate frequency signal decode encodes into the decoder of digital television signal, is used for the transmission the USB interface chips and the USB of digital television signal connect, still include power module, power module with USB connect to link to each other insert the power and to tuner, decoder and USB interface chips power supply. Through antenna receiving television signal, then transmit USB interface chips to after corresponding the processing to television signal in proper order by tuner and decoder, connect input mobile terminal through USB at last and broadcast or save, realized at mobile terminal to the real -time of television signal and freely broadcast.
Description
Technical field
The utility model relates to electronic components field, particularly relates to a kind of TV signal receiver.
Background technology
Along with constantly bringing forth new ideas and the rapid advances of retransmission technique of TV programme, television content receives the welcome of more and more spectators, and along with the development of mobile terminal, many people start at watching television programs by mobile terminal.
But a kind of at watching television programs by mobile terminal is the program of downloaded stored in advance, another kind is the communication access network TV reception by various mode, the real-time of last mode program is very weak, and a rear mode needs specific network environment (such as WiFi) or high watches cost (such as charge on traffic).
Utility model content
The utility model provides a kind of TV signal receiver, it is by antenna received television signal, then USB interface chip is transferred to after successively alignment processing being carried out to TV signal by tuner and decoder, carry out playing or storing finally by USB joint input mobile terminal, achieve mobile terminal playing in real time and freely TV signal.
For realizing above-mentioned design, the utility model by the following technical solutions:
A kind of TV signal receiver, comprise: shell, main circuit board, for received television signal antenna, change into for the TV signal received being carried out demodulation intermediate-freuqncy signal tuner, be used for described intermediate-freuqncy signal to carry out decoding and be encoded into the decoder of digital television signal, for transmitting USB interface chip and the USB joint of described digital television signal;
Described main circuit board is arranged in described shell, and described tuner, decoder and USB interface chip are arranged at described main circuit board; Described antenna accesses the input of described tuner, the output of described tuner is connected with the input of described decoder, the output of described decoder is connected with the signal input part of described USB interface chip, and described USB joint is arranged at the side of described shell and is connected with described USB interface chip;
Also comprise power module, described power module is connected with described USB joint and accesses power supply and to described tuner, decoder and USB interface chip power supply.
Wherein, also comprise for from USB joint to the control signal passage of antenna pipage control signal.
Wherein, described control signal passage realizes control signal conveying by USB joint, USB interface chip, decoder and tuner successively.
Wherein, the chip U1 of described tuner to be model be MXL603, the chip U2 of described decoder to be model be ATBM8878, the chip U3 of described USB interface chip to be model be CY68013;
The pin IF_OUTP of described chip U1 is connected with the pin IVINIP of described chip U2; The pin IF_OUTN of described chip U1 is connected with the pin IVINP of described chip U2; The pin AGC of described chip U1 is connected with the pin PWM0 of described chip U2; The pin SCL of described chip U1 is connected with the pin SCLM of described chip U2, and the pin SDA of described chip U1 is connected with the pin SDAM of described chip U2;
The pin TSBVLD of described chip U2 is connected with the pin RDY0/SLRD of described chip U3; The pin TSBCLK of described chip U2 is connected with the pin RDY1/SLWR of described chip U3; Pin TSB0, the pin TSB1 of described chip U2, pin TSB2, pin TSB3, pin TSB4, pin TSB5, pin TSB6 and pin TSB7 are connected with pin PB7/FD7 with pin PB0/FD0, the pin FB1/FD1 of described chip U3, pin PB2/FD2, pin PB3/FD3, pin PB4/FD4, pin PB5/FD5, pin PB6/FD6 respectively; The pin SCL of described chip U2 is connected with the pin SCL of described chip U3; The pin SDAS of described chip U2 is connected with the pin SDA of described chip U3.
The beneficial effects of the utility model are: by antenna received television signal, then USB interface chip is transferred to after successively alignment processing being carried out to TV signal by tuner and decoder, carry out playing or storing finally by USB joint input mobile terminal, achieve mobile terminal playing in real time and freely TV signal.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, be briefly described to the accompanying drawing used required in the description of the utility model embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the content of the utility model embodiment and these accompanying drawings.
Fig. 1 is the block diagram of the first embodiment of a kind of TV signal receiver provided in the utility model embodiment.
Fig. 2 is the pin schematic diagram of the tuner of a kind of TV signal receiver provided in the utility model embodiment.
Fig. 3 is the pin schematic diagram of the decoder of a kind of TV signal receiver provided in the utility model embodiment.
Fig. 4 is the pin schematic diagram of the USB interface chip of a kind of TV signal receiver provided in the utility model embodiment.
Embodiment
The technical problem solved for making the utility model, the technical scheme of employing and the technique effect that reaches are clearly, be described in further detail below in conjunction with the technical scheme of accompanying drawing to the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those skilled in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1 to Fig. 4, block diagram, the pin schematic diagram of tuner, the pin schematic diagram of decoder, the pin schematic diagram of USB interface chip of its to be Fig. 1 be respectively first embodiment of a kind of TV signal receiver provided in the utility model embodiment.As shown in the figure, this TV signal receiver, comprise: shell, main circuit board, for received television signal antenna 10, change into for the TV signal received being carried out demodulation intermediate-freuqncy signal tuner 20, be used for described intermediate-freuqncy signal to carry out decoding and be encoded into the decoder 30 of digital television signal, for transmitting USB interface chip 40 and the USB joint 50 of described digital television signal;
Described main circuit board is arranged in described shell, and described tuner 20, decoder 30 and USB interface chip 40 are arranged at described main circuit board; Described antenna 10 accesses the input of described tuner 20, the output of described tuner 20 is connected with the input of described decoder 30, the output of described decoder 30 is connected with the signal input part of described USB interface chip 40, and described USB joint 50 is arranged at the side of described shell and is connected with described USB interface chip 40;
Also comprise power module 60, described power module 60 is connected with described USB joint 50 and accesses power supply and power to described tuner 20, decoder 30 and USB interface chip 40.
User is when using the TV signal receiver in this programme, USB joint 50 is inserted the USB interface of mobile terminal, antenna 10 can receive extraneous TV signal and be transferred to tuner 20 by corresponding interface, tuner 20 carries out frequency modulation the TV signal received and changes into intermediate-freuqncy signal and be transferred to decoder 30, decoder 30 pairs of intermediate frequency signal decodings and coding obtain digital television signal, digital television signal is transferred to mobile terminal by USB interface chip 40 and USB joint 50, mobile terminal carries out decoding to the digital signal received and is finally formed television video for broadcasting or preservation.User can not have WiFi, does not even have the local received television signal of network signal.
In sum, by antenna 10 received television signal, then USB interface chip 40 is transferred to after successively alignment processing being carried out to TV signal by tuner 20 and decoder 30, input mobile terminal finally by USB joint 50 to carry out playing or storing, achieve mobile terminal playing in real time and freely TV signal.
Wherein, also comprise for from USB joint 50 to the control signal passage of antenna 10 pipage control signal.
User can send control signal by control signal passage to antenna 10 at mobile terminal, and antenna 10 receives the TV signal of characteristic frequency to obtain different TV programme.
Wherein, described control signal passage realizes control signal conveying by USB joint 50, USB interface chip 40, decoder 30 and tuner 20 successively.
Control signal passage is not completed by independently passage, but realizes the transmission of control signal by existing equipment.
Wherein, described tuner 20 for model be the chip U1 of MXL603, described decoder 30 for model be the chip U2 of ATBM8878, described USB interface chip 40 for model be the chip U3 of CY68013;
The pin IF_OUTP of described chip U1 is connected with the pin IVINIP of described chip U2; The pin IF_OUTN of described chip U1 is connected with the pin IVINP of described chip U2; The pin AGC of described chip U1 is connected with the pin PWM0 of described chip U2; The pin SCL of described chip U1 is connected with the pin SCLM of described chip U2, and the pin SDA of described chip U1 is connected with the pin SDAM of described chip U2;
The pin TSBVLD of described chip U2 is connected with the pin RDY0/SLRD of described chip U3; The pin TSBCLK of described chip U2 is connected with the pin RDY1/SLWR of described chip U3; Pin TSB0, the pin TSB1 of described chip U2, pin TSB2, pin TSB3, pin TSB4, pin TSB5, pin TSB6 and pin TSB7 are connected with pin PB7/FD7 with pin PB0/FD0, the pin FB1/FD1 of described chip U3, pin PB2/FD2, pin PB3/FD3, pin PB4/FD4, pin PB5/FD5, pin PB6/FD6 respectively; The pin SCL of described chip U2 is connected with the pin SCL of described chip U3; The pin SDAS of described chip U2 is connected with the pin SDA of described chip U3.
Power module 60 accesses 5V power supply by USB joint 50, then exports 3.3V power supply to chip U1, inputs 1.2V and 3.3V power supply to chip U2, inputs 3.3V power supply to chip U3, so that each chip realizes running, and complete design function.
In this programme, the passage that the pin SCL of chip U1, chip U2 and chip U3 and pin SDA forms is used for transmission of control signals; The passage of other pin composition is used for transmitting television signals or the TV signal after processing.
It should be noted that, above-mentioned annexation just realizes the main body connected mode of the function of this programme, and wherein such as ground connection, power supply etc. connect as the known connection in circuit design, do not elaborate.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection range by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, and these modes all will fall within protection range of the present utility model.
Claims (4)
1. a TV signal receiver, it is characterized in that, comprise: shell, main circuit board, for received television signal antenna, change into for the TV signal received being carried out demodulation intermediate-freuqncy signal tuner, be used for described intermediate-freuqncy signal to carry out decoding and be encoded into the decoder of digital television signal, for transmitting USB interface chip and the USB joint of described digital television signal;
Described main circuit board is arranged in described shell, and described tuner, decoder and USB interface chip are arranged at described main circuit board; Described antenna accesses the input of described tuner, the output of described tuner is connected with the input of described decoder, the output of described decoder is connected with the signal input part of described USB interface chip, and described USB joint is arranged at the side of described shell and is connected with described USB interface chip;
Also comprise power module, described power module is connected with described USB joint and accesses power supply and to described tuner, decoder and USB interface chip power supply.
2. TV signal receiver according to claim 1, is characterized in that, also comprises for from USB joint to the control signal passage of antenna pipage control signal.
3. TV signal receiver according to claim 2, is characterized in that, described control signal passage realizes control signal conveying by USB joint, USB interface chip, decoder and tuner successively.
4. TV signal receiver according to claim 3, is characterized in that, the chip U1 of described tuner to be model be MXL603, the chip U2 of described decoder to be model be ATBM8878, the chip U3 of described USB interface chip to be model be CY68013;
The pin IF_OUTP of described chip U1 is connected with the pin IVINIP of described chip U2; The pin IF_OUTN of described chip U1 is connected with the pin IVINP of described chip U2; The pin AGC of described chip U1 is connected with the pin PWM0 of described chip U2; The pin SCL of described chip U1 is connected with the pin SCLM of described chip U2, and the pin SDA of described chip U1 is connected with the pin SDAM of described chip U2;
The pin TSBVLD of described chip U2 is connected with the pin RDY0/SLRD of described chip U3; The pin TSBCLK of described chip U2 is connected with the pin RDY1/SLWR of described chip U3; Pin TSB0, the pin TSB1 of described chip U2, pin TSB2, pin TSB3, pin TSB4, pin TSB5, pin TSB6 and pin TSB7 are connected with pin PB7/FD7 with pin PB0/FD0, the pin FB1/FD1 of described chip U3, pin PB2/FD2, pin PB3/FD3, pin PB4/FD4, pin PB5/FD5, pin PB6/FD6 respectively; The pin SCL of described chip U2 is connected with the pin SCL of described chip U3; The pin SDAS of described chip U2 is connected with the pin SDA of described chip U3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520522020.5U CN204795445U (en) | 2015-07-17 | 2015-07-17 | Television signal receiving arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520522020.5U CN204795445U (en) | 2015-07-17 | 2015-07-17 | Television signal receiving arrangement |
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| CN204795445U true CN204795445U (en) | 2015-11-18 |
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| CN201520522020.5U Active CN204795445U (en) | 2015-07-17 | 2015-07-17 | Television signal receiving arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105007507A (en) * | 2015-07-17 | 2015-10-28 | 房纪军 | Television signal receiver |
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- 2015-07-17 CN CN201520522020.5U patent/CN204795445U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105007507A (en) * | 2015-07-17 | 2015-10-28 | 房纪军 | Television signal receiver |
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