CN203377972U

CN203377972U - Energy-saving television signal multipath distribution circuit structure

Info

Publication number: CN203377972U
Application number: CN201320315360.1U
Authority: CN
Inventors: 池宗佑; 罗声喨; 许岳云
Original assignee: SKYWORKS Inc
Current assignee: SKYWORKS Inc
Priority date: 2013-06-03
Filing date: 2013-06-03
Publication date: 2014-01-01
Anticipated expiration: 2023-06-03

Abstract

The utility model provides an energy-saving television signal multipath distribution circuit structure which comprises a multipath switch, multiple coaxial cables, at least one low noise block down converter amplifying module group, at least one digital set top box and at least one television. Two sides of the multipath switch are respectively provided with at least one interface and corresponding at least one F connector. The F connector is connected in series with an inductor and a low power consumption transistor, connected in parallel with a capacitor, and electrically connected with the at least one interface. The multiple coaxial cables are arranged on the interface and the F connector of the multipath switch. At least one low noise block down converter amplifying module group is electrically connected with at least one interface of the multipath switch via the coaxial cables. At least one digital set top box is electrically connected with at least one F connector of the multipath switch via the coaxial cables. At least one television is electrically connected with the digital set top box via the coaxial cables. According to the energy-saving television signal multipath distribution circuit structure, the digital set top box can supply power to the multipath switch and the low noise block down converter amplifying module group so that an external power supplier used for supplying power is saved, energy-saving and power-saving performance is effectively enhanced, the structure is simplified and failure rate is lowered.

Description

Energy-saving TV signal Multi-path distribution circuit structure

Technical field

The relevant a kind of Multi-path distribution circuit structure of the utility model, refer in particular to a kind of can in be provided with the low power consuming electric crystal multipath switch (MULTISWITCH) and low noise frequency reducing amplify the energy-saving TV signal Multi-path distribution circuit structure that module (tuner) (Low Noise Block) required electric power is provided by box on the numerical digit machine (SET TOP BOX) fully.

Background technology

As shown in Figure 1, structure chart for prior art, know and internationalize and absorb various up-to-date information for pursuing intelligence by people, common people do not connect the 4th and repacking is received the satellite television of the high-frequency signals that satellite sends by pot (antenna), and then the up-to-date intelligence that receives various countries' transmission is known and message, transmit from high-altitude due to satellite signals and arrive ground again through being commonly called as the antenna reception of pot, its signal received is quite faint, China has at 3.4 to 4.2GHz Cband or is 10.75 to 12.75 Kuband and can receive the satellite programming frequency, for coaxial cable 3 its signal losses that make transmission reduce, module (LNB) 10 is first amplified through a low noise frequency reducing in capital, after the satellite high-frequency signals is amplified, the recycling local oscillation circuit is converted to required frequency by this high-frequency signals, better transmission for coaxial cable 3, via the multipath switch, signal transmission is worked and the required intermediate frequencies (9050MHz to 2150MHz) of demodulation to box on the numerical digit machine (SET TOP BOX) 4 again.

The relevant dual polarization of module (LNB) 10, single local oscillator, single output class are amplified in the low noise frequency reducing of satellite reception, it is in order to allow different polarization signals pass through, will amplify module (LNB) 10 through coaxial cable 3 to low noise frequency reducing by box on the numerical digit machine (SET TOP BOX) 4 different 18V and the voltage of 13V are provided respectively, module in the middle of it, be provided with the multipath switch (MULTISWITCH) of (13/18V), so that this multipath switch 1 allows respectively horizontal polarization signal and perpendicular polarization signal pass through; Module (LNB) 10 is amplified in the low noise frequency reducing of another relevant dual polarization, two local oscillator, dual output kind, export separately different polarization signals or as a star multimachine for making output, therefore need to provide 0KHz and 22KHz signal to control and reach its different polarized signals output or corresponding with the height local oscillator and switch and make the signal branch Push And Release by box on the numerical digit machine (SET TOP BOX, STB) 4; And traditional existing multipath switch (Multiswitch) 1 and low noise frequency reducing are amplified module (LNB) 10 its power consumption streams greatly, therefore all via external power supply unit (Adapter) 2, provide electric power, the external power supply unit (Adapter) 2 of multipath switch (Multiswitch) 1 meeting, the power source path that 10 its supplies of electric power of low noise frequency reducing amplification module (LNB) are provided via interface (PORT) 11 by multipath switch (Multiswitch) 1 is to power supply.As for box (Set Top Box on the numerical digit machine that TV (TV) 5 signals are provided, STB) 4 provide 13V and 18V power supply through F connector (Fconnect) 12, and 0KHz and 22KHz signal do the path switching to the switching electric crystal (Switch IC) in multipath switch (Multiswitch) 1, also provide the part power supply to multipath switch (Multiswitch) 1 inner member, so and environmental protection and energy saving progressive in the epoch subtract under carbon consciousness new line, its multipath switch (Multiswitch) 1 of prior art and low noise frequency reducing are amplified module (LNB) 10 required electric powers and all need be powered via outside power supply unit (ADAPTER) 2, not only caused outside its structure complicated of prior art and failure rate increase, more caused its power consumption large, make it have a greatly reduced quality on the use practicality, this is to be dealer and consumer's utmost point wish breakthrough part, the inventor puts as considering and is designed with this, become eventually one not need the power supply of external power supply supply fully, and in be provided with the low power consuming electric crystal multipath switch and low noise frequency reducing amplifier required electric power provide by box on the numerical digit machine work of getting final product fully, and then promote its energy saving and make its designs simplification and the energy-saving TV signal Multi-path distribution circuit structure of failure rate reduction.

The utility model content

For solving above-mentioned prior art weak point, the utility model main purpose, a kind of energy-saving TV signal Multi-path distribution circuit structure is being provided, the module required electric power is amplified in its multipath switch and low noise frequency reducing to be provided by box on the numerical digit machine, use outside power supply unit and save fully, to overcoming difficulty of the prior art.

Secondary objective of the present utility model, be to provide a kind of energy-saving TV signal Multi-path distribution circuit structure, is provided with the low power consuming electric crystal in its multipath switch, so that the multipath switching current is controlled at low current.

Another purpose of the present utility model, be to provide a kind of energy-saving TV signal Multi-path distribution circuit structure, in its multipath switch, be provided with electric capacity and inductance can avoid with the numerical digit machine on the signal phase mutual interference that provides of box, cause the erroneous judgement of low power consuming electric crystal.

The problem that the utility model institute wish solves, because multipath switch (Multiswitch) and the low noise frequency reducing of prior art are amplified its power consumption stream of module (LNB) greatly, therefore all via external power supply unit (Adapter), provide electric power, the power supply unit (Adapter) that multipath switch (Multiswitch) meeting is external, the power source path that the supply of electric power of low noise frequency reducing amplification module (LNB) is provided via interface (PORT) by multipath switch (Multiswitch) is to power supply; As for box (Set Top Box on the numerical digit machine that TV (TV) signal is provided, STB) through F connector (F connect), provide 13V and 18V power supply, and 0KHz and 22KHz signal are done the path switching to the switching electric crystal (Switch IC) in multipath switch (Multiswitch), also provide the part power supply to multipath switch (Multiswitch) inner member, therefore caused outside prior art structure complicated and failure rate increase, more cause its power consumption large, made it have a greatly reduced quality on the use practicality.

For reaching above-mentioned purpose, the utility model provides a kind of electricity-saving video signal

Number Multi-path distribution circuit structure, it comprises:

One multipath switch, be respectively equipped with at least one interface and corresponding at least one F connector in its both sides, and therebetween series winding is provided with the low power consuming electric crystal;

A plurality of coaxial cables, be located at interface and the F connector of multipath switch;

Module (LNB) is amplified at least one low noise frequency reducing, and at least one interface of mat coaxial cable and multipath switch is electrically connected;

Box (STB) at least one numerical digit machine, its at least one F connector of mat coaxial cable and multipath switch is electrically connected;

At least one TV (TV), on mat coaxial cable and numerical digit machine, box (STB) is electrically connected.

Further, at least one F connector of the utility model multipath switch and low power consuming electric crystal series winding is provided with an inductance and reaches and connect an electric capacity and be electrically connected with at least one interface.

And design by this, the beneficial effect that the utility model can reach: box on the numerical digit machine (STB) provides electric power to amplify module (LNB) to multipath switch and low noise frequency reducing, saving outside power supply unit powers, and in its multipath switch, be provided with low power consuming electric crystal, electric capacity and inductance can avoid with the numerical digit machine on the signal phase mutual interference that provides of box, cause the erroneous judgement of low power consuming electric crystal, effectively promote energy saving and make designs simplification and the failure rate reduction.

The accompanying drawing explanation

Fig. 1: be the structure chart of prior art.

Fig. 2: be structure chart of the present utility model.

Fig. 3: be structure division enlarged drawing of the present utility model.

Description of reference numerals:

1 multipath switch

Module (LNB) is amplified in 10 low noise frequency reducings

11 interfaces

The 12F connector

2 power supply units

3 coaxial cables

Box (STB) on 4 numerical digit machines

5 TVs (TV)

The utility model

100 multipath switches

Module (LNB) is amplified in 10 low noise frequency reducings

101 low power consuming electric crystals

102 electric capacity

103 inductance

11 interfaces

The 12F connector

3 coaxial cables

Box (STB) on 4 numerical digit machines

5 TVs (TV)

Embodiment

For the effect that makes the auditor understand feature of the present utility model, content and advantage and can reach, hereby the utility model is coordinated to accompanying drawing, and be described in detail as follows with the expression-form of embodiment, and in literary composition, use graphic, its purport is only the use of signal and aid illustration book, may not be the true ratio and precisely configuration after the utility model enforcement, therefore should not limit to the utility model the scope of the claims in reality enforcement with regard to appended graphic ratio and configuration relation.

Refer to shown in Fig. 2, Fig. 3, for structure chart of the present utility model, be structure division enlarged drawing of the present utility model; Energy-saving TV signal Multi-path distribution circuit structure of the present utility model includes box (STB), at least one TV (TV) on a multipath switch 100, a plurality of coaxial cable 3, at least one low noise frequency reducing amplification module (LNB) 10, at least one numerical digit machine in a preferred embodiment.

An aforesaid multipath switch 100, be respectively equipped with at least one interface 11 and corresponding at least one F connector 12 in its both sides, and these at least one F connector 12 series windings are provided with an inductance 103 and a low power consuming electric crystal 101 reaches and connects an electric capacity 102 and do to be electrically connected (as shown in Figure 3) with at least one interface 11.

Aforesaid a plurality of coaxial cable 3, be located at interface 11 and the F connector 12 of multipath switch 100.

Module (LNB) 10 is amplified in aforesaid at least one low noise frequency reducing, and mat coaxial cable 3 is electrically connected with at least one interface 11 of multipath switch 100.

Box (STB) 4 on aforesaid at least one numerical digit machine, mat coaxial cable 3 is electrically connected with at least one F connector 12 of multipath switch 100.

Aforesaid at least one TV (TV) 5, on mat coaxial cable 3 and numerical digit machine, box (STB) 4 is electrically connected.

And design by this, the utility model can the numerical digit machine on box (STB) 4 provide electric power to amplify module (LNB) 10 to multipath switch 100 and low noise frequency reducing, saving existing structure outside power supply unit 2 of its (as shown in Figure 1) powers, and on the numerical digit machine, box (STB) 4 generally approximately can provide 300mA, therefore the utility model is on design consideration, this electric crystal of being located in multipath switch 100 is low power consuming electric crystal 101, therefore can reduce the utility model multipath switch 100 electric currents, because multipath switch 1 power consumption of (as shown in Figure 1) on existing conventional art is flowed about 100 to 200mA, the utility model is used low power consuming electric crystal 101 overall current of multipath switch 100 of the present utility model can be controlled at below 100mA, just can only lean on box on the numerical digit machine (STB) 4 power supplies to get final product work, the utility model is also considered 4, box on the numerical digit machine (STB) simultaneously provides the 22KHz signal that the interior 0KHz provided as toggle path of multipath switch 100 and 22KHz signal are provided to recharge interference, be provided with electric capacity 102 and inductance 103 and keep off this 22KHz signal in multipath switch 100, therefore can avoid with the numerical digit machine on the signal phase mutual interference that provides of box (STB) 4, cause the mistake of 101 erroneous judgements of low power consuming electric crystal and 100 its switching actions of multipath switch, effectively promote energy saving and make designs simplification and the failure rate reduction, meet progress, practicality is required with the user's, it serves to show its gain part.

Above-described embodiment is only explanation technological thought of the present utility model and characteristics, its purpose makes those of ordinary skills can understand content of the present utility model and implement according to this, when can not with restriction the scope of the claims of the present utility model, the equalization that the spirit generally disclosed according to the utility model is done changes or modifies, and must be encompassed in the scope of the claims of the present utility model.

Claims

1. an energy-saving TV signal Multi-path distribution circuit structure, is characterized in that, comprising:

A plurality of coaxial cables, be located at its interface of multipath switch and F connector;

Module is amplified at least one low noise frequency reducing, and at least one interface of mat coaxial cable and multipath switch is electrically connected;

Box at least one numerical digit machine, at least one F connector of mat coaxial cable and multipath switch is electrically connected;

At least one TV, on mat coaxial cable and numerical digit machine, box is electrically connected.

2. energy-saving TV signal Multi-path distribution circuit structure as claimed in claim 1, is characterized in that, at least one F connector of multipath switch and low power consuming electric crystal series winding are provided with an inductance and reach and connect an electric capacity and be electrically connected with at least one interface.