CN216490777U

CN216490777U - Ku wave band dCSS satellite multi-way switch

Info

Publication number: CN216490777U
Application number: CN202122732010.2U
Authority: CN
Inventors: 吴保
Original assignee: Zhuhai Meixin Electronic Technology Co ltd
Current assignee: Zhuhai Meixin Electronic Technology Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-05-10
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a Ku waveband dCSS satellite multi-way switch which comprises a machine shell, a machine shell cover, an F head structure, an internal circuit board connected with the F head structure, and an output port of the circuit board, the circuit board includes: CATV connecting circuit, distributor I, VL connecting circuit, distributor II, VH connecting circuit, distributor III, HL connecting circuit, distributor IV, HH connecting circuit, distributor V, filter I, filter II, filter III, filter IV, balun I, balun II, balun III, balun IV, digital channel stacked IC circuit, high efficiency power supply converting circuit, balun V, nonvolatile storage circuit, high pass filter, and filter V. This kind of Ku wave band dCSS satellite multi-way switch and traditional multi-way switch application contrast save more cable quantity, practice thrift the cost greatly.

Description

Ku wave band dCSS satellite multi-way switch

Technical Field

The utility model relates to the technical field of Ku waveband satellite broadcast television and satellite communication, in particular to a Ku waveband dCSS satellite multi-way switch.

Background

In europe and north america, with the increasing demand for multimedia content and ease of use for high definition television by satellite television users, satellite high definition receivers and multi-tuner digital video recorders are widely used in homes. In the traditional direct broadcast satellite installation, a plurality of cables are needed for connecting a DSB outdoor unit with a satellite receiver provided with a plurality of high-frequency tuners or a plurality of satellite receivers, so that the complexity of installation is greatly increased and high cable laying cost is paid. Therefore, we improve this and propose a Ku-band dCSS satellite multi-switch.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a Ku-waveband dCSS satellite multi-way switch which comprises a shell, a shell cover, an F head structure, an internal circuit board connected with the F head structure and an output port of the circuit board, wherein the circuit board comprises a CATV connecting circuit, a first distributor, a VL connecting circuit, a second distributor, a VH connecting circuit, a third distributor, an HL connecting circuit, a fourth distributor, an HH connecting circuit, a fifth distributor, a first filter, a second filter, a third filter, a fourth filter, a first balance-unbalance converter, a second balance-unbalance converter, a third balance-unbalance converter, a fourth balance-unbalance converter, a digital channel stacking IC circuit, a high-efficiency power supply converting circuit, a fifth balance-unbalance converter, a nonvolatile storage circuit, a high-pass filter and a fifth filter.

As a preferred technical solution of the present invention, the housing is fixedly provided with five input ports, five cascade output ports, a power port and a signal output port.

As a preferred embodiment of the present invention, the cover of the housing is used for shielding the external interference signal.

As a preferred technical scheme of the utility model, the F head structure is composed of F type threads.

As a preferred technical scheme of the utility model, the first distributor, the second distributor, the third distributor, the fourth distributor and the fifth distributor are all composed of resistance elements and circuits.

As a preferred technical scheme of the utility model, the first filter, the second filter, the third filter, the fourth filter and the fifth filter are all composed of inductors and capacitors.

As a preferred technical solution of the present invention, the digital channel stacked IC circuit is composed of related circuits such as an MxL865 digital channel stacked chip.

As a preferable technical scheme of the utility model, the nonvolatile memory circuit is formed by related circuits such as a 1.8V Flash chip and the like.

As a preferred technical scheme of the utility model, the high-efficiency power supply conversion circuit is formed by two paths of related circuits which are respectively converted into 1.8V and 1.1V by DC to DC.

The utility model has the beneficial effects that:

this kind of Ku wave band dCSS satellite multi-way switch, utilize a coaxial cable that has already laid to cooperate a kind of Ku wave band dCSS satellite multi-way switch through using dCSS technique, just solved the connection problem of many tuners, CATV TV program output has been increased simultaneously, can receive satellite TV program with same cable, can watch CATV TV program again, make the installation become simple and convenient, the cost also can be reduced, contrast with traditional multi-way switch application, save more cable quantity, greatly save the cost, and can realize that a plurality of dCSS multi-way switch cascade, it is practical very much to single high building, use the number of customers increases at double.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic diagram of a main structure of a Ku-band dCSS satellite multi-way switch according to the present invention;

FIG. 2 is a schematic block diagram of a switching circuit of a Ku band dCSS satellite multi-way switch according to the present invention;

fig. 3 is a block diagram of the application of the cascade of Ku-band dCSS satellite multi-way switches.

In the figure: 1. a CATV connection circuit; 2. a VL connection circuit; 3. a VH connection circuit; 4. an HL connection circuit; 5. an HH connection circuit; 6. a first dispenser; 7. a second dispenser; 8. a third dispenser; 9. a number four dispenser; 10. a fifth distributor; 11. a first filter; 12. a second filter; 13. a third filter; 14. a fourth filter; 15. a first balun; 16. a second balun; 17. a third balun; 18. a number four balun; 19. a digital channel stacked IC circuit; 20. a high-efficiency power conversion circuit; 21. a number five balun; 22. a nonvolatile memory circuit; 23. a high-pass filter; 24. a fifth filter; 25. an output port; 26. a housing; 261. an input port; 262. a cascade output port; 263. a power port; 264. a signal output port; 27. a housing cover; 28. an F head structure; 29. a circuit board.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in FIGS. 1-3, the Ku-band dCSS satellite multi-way switch of the present invention comprises a housing 26, a housing cover 27, an F head structure 28, an internal circuit board 29 connected with the F head structure 28, and an output port 25 of the circuit board 29, wherein the circuit board 29 comprises a CATV connecting circuit 1, a first distributor 6, a VL connecting circuit 2, a second distributor 7, a VH connecting circuit 3, a third distributor 8, an HL connecting circuit 4, a fourth distributor 9, an HH connecting circuit 5, a fifth distributor 10, a first filter 11, a second filter 12, a third filter 13, a fourth filter 14, a first balun 15, a second balun 16, a third balun 17, a fourth balun 18, a digital channel stacked IC circuit 19, a high efficiency power conversion circuit 20, a fifth balun 21, a fifth balun 18, a digital channel stacked IC 21, a high efficiency power conversion circuit 20, a third balun, a third filter 3, a third filter, a fourth filter, a fifth filter, a sixth filter, a fifth filter, a sixth filter, a fifth filter, a fourth filter, a fifth filter, a fourth filter, a fourth filter, a nonvolatile memory circuit 22, a high-pass filter 23, and a filter No. five 24; the CATV connecting circuit 1 outputs a cascaded CATV signal after passing through a first distributor 6; the other path is connected to a fifth filter 24 after passing through a first distributor 6, a VL connecting circuit 2 outputs a cascaded satellite signal after passing through a second distributor 7, the other path is connected to a fourth filter 14 after passing through the second distributor 7 to filter a high-frequency signal and then is connected with a fourth balun 18, a VH connecting circuit 3 outputs the cascaded satellite signal after passing through a third distributor 8, the other path is connected to a third filter 13 after passing through a third distributor 8 to filter the high-frequency signal and then is connected with a third balun 17, a HL connecting circuit 4 outputs the cascaded satellite signal after passing through a fourth distributor 9, the other path is connected to a second filter 12 after passing through a fourth distributor 9 to filter the high-frequency signal and then is connected with a second balun 16, and an HH connecting circuit 5 outputs the cascaded satellite signal after passing through a fifth distributor 10, the other path of the satellite television signal is connected to a first filter 11 after passing through a fifth distributor 10, a first balun 15 is connected after filtering a high-frequency signal, four paths of intermediate frequency satellite television signals are respectively connected with a first balun 15, a second balun 16, a third balun 17 and a fourth balun 18 after being filtered, the four paths of intermediate frequency satellite television signals are respectively connected with a digital channel stacking IC circuit 19, a nonvolatile storage circuit 22 is connected with the digital channel stacking IC circuit 19, the digital channel stacking IC circuit 19 reads/stores/exchanges data of the nonvolatile storage circuit 22, an output port 25 is connected with a set-top box input power supply and a high-efficiency power supply conversion circuit 20, the high-efficiency power supply conversion circuit 20 is divided into 3 paths of direct current power supplies for the digital channel stacking IC circuit 19 and the nonvolatile storage circuit 22 by the high-efficiency power supply conversion circuit, the digital channel stacked chip circuit 19 outputs stacked satellite television signals to connect with the five-number balance-unbalance converter 21, the stacked satellite television signals are connected with the high-pass filter 23 after passing through the five-number balance-unbalance converter 21, the digital channel stacked IC circuit 19 outputs 1-24 user intermediate frequency signals in 950-2150MHz frequency band after passing through the high-pass filter 23, the digital channel stacked chip circuit is connected with the output port 25, the CATV connecting circuit is also connected with the output port 25 after passing through the five-number filter 24, the output port 25 realizes that the same cable simultaneously transmits 1-24 users to receive satellite television programs, and the 1-24 users receive the whole satellite full-frequency band programs without mutual interference and influence, meanwhile, the CATV connecting circuit 1 outputs one cable to realize that the users watch television programs, and is convenient to construct and install, the wiring is succinct pleasing to the eye and does not take up an area, the cable quantity that multi-user used is showing and is reducing, practice thrift user's cost greatly, realized promptly and realized can receiving satellite television program with same cable, can watch CATV television program again, and satellite television program also solves with same cable and watches television program, with a port output CATV connecting circuit and satellite signal, receive whole satellite full frequency channel program under the condition that does not influence each other, in addition also can realize another kind of application, according to user's quantity, can realize that multistage dCSS multiple switch cascades and uses.

The housing 26 is fixedly provided with five input ports 261, five cascade output ports 262, a power port 263 and a signal output port 264.

Wherein the case cover 27 is used to shield the external interference signal.

Wherein the F-head structure 28 is comprised of F-type threads.

The first distributor 6, the second distributor 7, the third distributor 8, the fourth distributor 9 and the fifth distributor 10 are all composed of resistance elements and circuits.

The first filter 11, the second filter 12, the third filter 13, the fourth filter 14 and the fifth filter 24 are all composed of inductors and capacitors.

The digital channel stacked IC circuit 19 is formed by related circuits such as an MxL865 digital channel stacked chip.

The nonvolatile memory circuit 22 is formed by a 1.8V Flash chip and other related circuits.

The high-efficiency power conversion circuit 20 is formed by two circuits of related circuits, namely, two circuits of DC to DC which are respectively converted into 1.8V and 1.1V.

The working principle is as follows: in the Ku-band dCSS satellite multi-way switch, a CATV connecting circuit 1 outputs a cascaded CATV signal after passing through a first distributor 6; the other path is connected to a fifth filter 24 after passing through a first distributor 6, a VL connecting circuit 2 outputs a cascaded satellite signal after passing through a second distributor 7, the other path is connected to a fourth filter 14 after passing through the second distributor 7 to filter a high-frequency signal and then is connected with a fourth balun 18, a VH connecting circuit 3 outputs the cascaded satellite signal after passing through a third distributor 8, the other path is connected to a third filter 13 after passing through a third distributor 8 to filter the high-frequency signal and then is connected with a third balun 17, a HL connecting circuit 4 outputs the cascaded satellite signal after passing through a fourth distributor 9, the other path is connected to a second filter 12 after passing through a fourth distributor 9 to filter the high-frequency signal and then is connected with a second balun 16, and an HH connecting circuit 5 outputs the cascaded satellite signal after passing through a fifth distributor 10, the other path of the satellite television signal is connected to a first filter 11 after passing through a fifth distributor 10, a first balun 15 is connected after filtering a high-frequency signal, four paths of intermediate frequency satellite television signals are respectively connected with a first balun 15, a second balun 16, a third balun 17 and a fourth balun 18 after being filtered, the four paths of intermediate frequency satellite television signals are respectively connected with a digital channel stacking IC circuit 19, a nonvolatile storage circuit 22 is connected with the digital channel stacking IC circuit 19, the digital channel stacking IC circuit 19 reads/stores/exchanges data of the nonvolatile storage circuit 22, an output port 25 is connected with a set-top box input power supply and a high-efficiency power supply conversion circuit 20, the high-efficiency power supply conversion circuit 20 is divided into 3 paths of direct current power supplies for the digital channel stacking IC circuit 19 and the nonvolatile storage circuit 22 by the high-efficiency power supply conversion circuit, the digital channel stacked chip circuit 19 outputs stacked satellite television signals to connect with the five-number balance-unbalance converter 21, the stacked satellite television signals are connected with the high-pass filter 23 after passing through the five-number balance-unbalance converter 21, the digital channel stacked IC circuit 19 outputs 1-24 user intermediate frequency signals in 950-2150MHz frequency band after passing through the high-pass filter 23, the digital channel stacked chip circuit is connected with the output port 25, the CATV connecting circuit is also connected with the output port 25 after passing through the five-number filter 24, the output port 25 realizes that the same cable simultaneously transmits 1-24 users to receive satellite television programs, and the 1-24 users receive the whole satellite full-frequency band programs without mutual interference and influence, meanwhile, the CATV connecting circuit 1 outputs one cable to realize that the users watch television programs, and is convenient to construct and install, the wiring is succinct pleasing to the eye and does not take up an area, the cable quantity that multi-user used is showing and is reducing, practice thrift user's cost greatly, realized promptly and realized can receiving satellite television program with same cable, can watch CATV television program again, and satellite television program also solves with same cable and watches television program, with a port output CATV connecting circuit and satellite signal, receive whole satellite full frequency channel program under the condition that does not influence each other, in addition also can realize another kind of application, according to user's quantity, can realize that multistage dCSS multiple switch cascades and uses. The Ku-band dCSS satellite multi-way switch is simple and reasonable in structure, novel in design and high in practical value and is worthy of wide popularization.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A Ku-waveband dCSS satellite multi-way switch comprises a shell (26), a shell cover (27), an internal circuit board (29) connected with an F head structure (28) and an output port (25) of the circuit board (29), and is characterized in that the circuit board (29) comprises a CATV (community antenna television) connecting circuit (1), a first distributor (6), a VL connecting circuit (2), a second distributor (7), a VH connecting circuit (3), a third distributor (8), an HL connecting circuit (4), a fourth distributor (9), an HH connecting circuit (5), a fifth distributor (10), a first filter (11), a second filter (12), a third filter (13), a fourth filter (14), a first balance-unbalance transformer (15), a second balance-unbalance transformer (16), a third balance-unbalance transformer (17), A fourth balun (18), a digital channel stacked IC circuit (19), a high-efficiency power conversion circuit (20), a fifth balun (21), a nonvolatile memory circuit (22), a high-pass filter (23), and a fifth filter (24).

2. The Ku-band dCSS satellite multiway switch according to claim 1, wherein five input ports (261), five cascade output ports (262), one power port (263) and one signal output port (264) are fixedly provided on the housing (26).

3. The Ku band dCSS satellite multiplexer of claim 1, wherein the enclosure cover (27) is configured to shield interfering signals.

4. The Ku band dCSS satellite multiplexer of claim 1, wherein the F-head structure (28) is comprised of F-type threads.

5. The Ku waveband dCSS satellite multi-way switch according to claim 1, characterized in that the first distributor (6), the second distributor (7), the third distributor (8), the fourth distributor (9) and the fifth distributor (10) are all composed of resistance elements and circuits.

6. The Ku-band dCSS satellite multiplexer according to claim 1, wherein the first filter (11), the second filter (12), the third filter (13), the fourth filter (14) and the fifth filter (24) are all composed of inductors and capacitors.

7. The Ku-band dCSS satellite multiplexer according to claim 1, wherein the digital channel stacked IC circuit (19) is formed by related circuits such as MxL865 digital channel stacked chips.

8. The Ku-band dCSS satellite multiplexer according to claim 1, wherein the nonvolatile memory circuit (22) is formed by a 1.8V Flash chip or other related circuits.

9. The Ku-band dCSS satellite multi-way switch according to claim 1, wherein the high-efficiency power conversion circuit (20) is composed of two circuits of related circuits for converting DC to DC into 1.8V and 1.1V respectively.