CN101997594B - Multi-connecting port outdoor unit - Google Patents
Multi-connecting port outdoor unit Download PDFInfo
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- CN101997594B CN101997594B CN200910169394.2A CN200910169394A CN101997594B CN 101997594 B CN101997594 B CN 101997594B CN 200910169394 A CN200910169394 A CN 200910169394A CN 101997594 B CN101997594 B CN 101997594B
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Abstract
The invention relates to a multi-connecting port outdoor unit comprising a plurality of circuit diamonds, a direct current-to-direct current converter and a plurality of connecting ports. The direct current-to-direct current converter is used for supplying current for the plurality of circuit diamonds. The plurality of connecting ports are respectively connected to a plurality of indoor units to supply the supply current of the plurality of indoor units to the direct current-to-direct current converter through a diode. At least one connecting port of the plurality of connecting ports is connected to the first circuit diamond in the plurality of circuit diamonds to supply the current to the first circuit diamond. The multi-connecting port outdoor unit provided in the invention can simultaneously meet the demands of supplying lowest supply current to the different indoor units and achieve the purposes of low total power consumption and low hardware cost.
Description
Technical field
The present invention relates to outdoor unit, particularly the outdoor unit of multi-link port.
Background technology
Outdoor unit (out-door unit, ODU) refers to a kind of outdoor radio communication R-T unit that is installed on, and for example applies to the radio communication R-T unit of satellite communication.The outdoor unit that generally is applied to satellite communication all comprises a lnb (low noise block, LNB) convert after treatment intermediate-freuqncy signal in order to an indoor unit with the high-frequency signal in order to satellite is sent, for example Set Top Box (setup box) receives.
The outdoor unit of multi-link port is connected to a plurality of indoor units, and via described a plurality of indoor unit power supplies.Fig. 1 shows the circuit diagram of the outdoor unit of a traditional multi-link port.As shown in Figure 1, this outdoor unit 100 is connected to a plurality of indoor units 11 to 14, and comprises a plurality of connectivity ports 101 to 104, a plurality of low noise amplifier 111 to 114, a plurality of local oscillator 121 and 122, a plurality of mixer 131 to 134, a plurality of prime intermediate frequency amplifier 141 to 144, a plurality of switch 151 and 152 and a plurality of rear class intermediate frequency amplifier 161 to 164.Described a plurality of low noise amplifier 111 to 114 is in order to amplify the vertical and horizontal high frequency satellite-signal received.Described a plurality of local oscillator 121 and 122 is in order to produce a plurality of intermediate-freuqncy signals.Described a plurality of mixer 131 to 134 utilizes described a plurality of intermediate-freuqncy signal that the frequency reducing of described a plurality of high frequency satellite-signal is become to a plurality of intermediate frequency satellite-signals.Described a plurality of prime intermediate frequency amplifier 141 to 144 is in order to amplify described a plurality of intermediate frequency satellite-signal, and provides to the input of described a plurality of switchs 151 and 152.Described a plurality of rear class intermediate frequency amplifier described a plurality of switchs 151 of 161 to 164 amplification and the 152 intermediate frequency satellite-signals of exporting, to provide to described a plurality of indoor units 11 to 14 via described a plurality of connectivity ports 101 to 104.
Fig. 2 shows the power supply network network figure of outdoor unit of the multi-link port of Fig. 1.This outdoor unit 100 also comprises a plurality of voltage regulators (voltage regulator) 201 to 204 and a plurality of diode 211 to 214.Described a plurality of voltage regulator 201 to 204 to provide respectively stabling current to described a plurality of rear class intermediate frequency amplifiers 161 to 164, then provides stabling current to described a plurality of low noise amplifiers 111 to 114, described a plurality of local oscillators 121 and 122, described a plurality of mixers 131 to 134 and described a plurality of prime intermediate frequency amplifier 141 to 144 via described a plurality of diodes 211 to 214 in current distributing mode (current sharing) in order to the power supply of regulating described a plurality of indoor unit 11 to 14.
Yet the power supply network network figure shown in Fig. 2 will cause total power consumption excessive and do not meet the industry user demand.For reducing power consumption, but the power supply network network shown in moderate modification Fig. 2.Fig. 3 shows the partial schematic diagram of another power supply network network of outdoor unit of the multi-link port of Fig. 1.As shown in Figure 3, this outdoor unit 100 also comprises a plurality of diodes 301 to 304, and a plurality of voltage regulators 201 to 204 described in Fig. 2 can be merged into to a direct current to direct current transducer 311(DC-DCconverter), and this power supply network network is that the power supply of described a plurality of indoor units 11 to 14 is powered to direct current transducer 311 via this direct current in the current distributing mode via described a plurality of diodes 301 to 304.This power supply network network of Fig. 3 is to replace original described a plurality of voltage regulators 201 to 204 with this direct current to direct current transducer 311, to reduce the output voltage of power supply, thereby reaches the purpose that reduces total power consumption.
Yet many indoor units have the minimum demand for induced current.When utilizing the current distributing mode, if the supply voltage difference of different indoor units, for example, when the supply voltage V1 of this indoor unit 11 is not equal to the supply voltage V2 of this indoor unit 12, to cause a wherein road of this indoor unit 11 or this indoor unit 12 is zero for induced current, and does not meet the user demand of industry.
For meeting the minimum for the induced current demand of different indoor units, can further revise the power supply network network shown in Fig. 3.Fig. 4 shows the partial schematic diagram of another power supply network network of outdoor unit of the multi-link port of Fig. 1.As shown in Figure 4, this outdoor unit 100 also comprises a plurality of resistance 401 to 404.Described a plurality of resistance 401 to 404 is connected to respectively the power supply feed lines of described a plurality of indoor unit 11 to 14, so that described a plurality of indoor unit 11 to 14 1 minimum current consumptions to be provided respectively.Yet described a plurality of extra newly-increased resistance 401 to 404 will cause the total power consumption of this outdoor unit 100 to rise, and not meet the user demand of industry.
Fig. 5 shows the partial schematic diagram of another power supply network network of outdoor unit of the multi-link port of Fig. 1.As shown in Figure 5, this power supply network network is described a plurality of rear class intermediate frequency amplifiers 161 to 164 to be connected to the power supply feed lines of described a plurality of indoor unit 11 to 14, so that described a plurality of rear class intermediate frequency amplifier 161 to 164 required electric currents to be provided whereby, and meet the minimum for the induced current demand of described a plurality of indoor unit 11 to 14.Yet, minimum for the induced current demand due to the required electric current of described a plurality of rear class intermediate frequency amplifiers 161 to 164 far above described a plurality of indoor units 11 to 14, the gross power of this outdoor unit 100 will consume rising, and not meet the user demand of industry.
In addition, also can on the power supply feed lines of the power supply network network shown in Fig. 4 or Fig. 5, respectively connect a direct current to the direct current transducer, to reduce the current sinking of described a plurality of resistance 401 to 404 or described a plurality of rear class intermediate frequency amplifier 161 to 164.Yet the direct current of described a plurality of increases will significantly increase circuit cost and still can't meet the user demand of industry to the direct current transducer.
Accordingly, industry is needed is the outdoor unit of a multi-link port, and it can reach simultaneously provides the minimum purpose for induced current demand, low total power consumption and low hardware cost that meets different indoor units.
Summary of the invention
For addressing the above problem to realize goal of the invention of the present invention, according to the outdoor unit of the multi-link port of one embodiment of the invention, comprise a plurality of circuit box, a direct current to direct current transducer and a plurality of connectivity port.This direct current to the direct current transducer in order to provide current to described a plurality of circuit box.Described a plurality of connectivity port is connected to respectively a plurality of indoor units to provide the confession induced current of described a plurality of indoor units to this direct current to the direct current transducer via a diode respectively.At least one connectivity port of described a plurality of connectivity ports is connected to one first circuit box of described a plurality of circuit box, and provides current to this first circuit box.
The outdoor unit of multi-link port according to another embodiment of the present invention comprises a plurality of circuit box, a direct current to direct current transducer and a plurality of connectivity port.This direct current provides current to described a plurality of circuit box to the direct current transducer in the current distributing mode.Described a plurality of connectivity port is connected to respectively a plurality of indoor units, and utilizes the current distributing mode to provide the confession induced current of described a plurality of indoor units to this direct current to the direct current transducer.At least two connectivity ports of described a plurality of connectivity ports are connected to one first circuit box of described a plurality of circuit box, and utilize the current distributing mode to provide current to this first circuit box.
The outdoor unit of a kind of multi-link port provided by the invention, can reach simultaneously the minimum purpose for induced current demand, low total power consumption and low hardware cost that meets different indoor units is provided.
The accompanying drawing explanation
Fig. 1 shows the circuit diagram of the outdoor unit of a traditional multi-link port;
Fig. 2 shows the power supply network network figure of the outdoor unit of a traditional multi-link port;
Fig. 3 shows the partial schematic diagram of power supply network network figure of the outdoor unit of the multi-link port that another is traditional;
Fig. 4 shows the partial schematic diagram of power supply network network figure of the outdoor unit of the multi-link port that another is traditional;
Fig. 5 shows the partial schematic diagram of power supply network network figure of the outdoor unit of the multi-link port that another is traditional;
Fig. 6 shows the schematic diagram according to the outdoor unit of the multi-link port of one embodiment of the invention;
Fig. 7 shows the power supply network network figure according to the outdoor unit of the multi-link port of one embodiment of the invention; And
Fig. 8 shows the power supply network network figure of the outdoor unit of multi-link port according to another embodiment of the present invention.
Wherein, description of reference numerals is as follows:
100 outdoor units
11 ~ 14 indoor units
101 ~ 104 connectivity ports
111 ~ 114 low noise amplifiers
121 ~ 122 local oscillators
131 ~ 134 mixers
141 ~ 144 prime intermediate frequency amplifiers
151 ~ 152 switchs
161 ~ 164 rear class intermediate frequency amplifiers
201 ~ 204 voltage regulators
211 ~ 214 diodes
301 ~ 304 diodes
311 direct currents are to the direct current transducer
401 ~ 404 resistance
600 outdoor units
21 ~ 24 indoor units
601 ~ 604 connectivity ports
611 ~ 614 low noise amplifiers
621 ~ 622 local oscillators
631 ~ 634 mixers
641 ~ 644 prime intermediate frequency amplifiers
651 ~ 652 switchs
661 ~ 664 rear class intermediate frequency amplifiers
701 direct currents are to the direct current transducer
711 ~ 714 diodes
721 ~ 724 switches
801 ~ 804 diodes
811 ~ 814 resistance
Embodiment
Fig. 6 shows the schematic diagram according to the outdoor unit of the multi-link port of one embodiment of the invention.As shown in Figure 6, this outdoor unit 600 is applied to satellite communication, comprises a lnb, and is connected to a plurality of indoor units 21 to 24, and wherein said a plurality of indoor units 21 to 24 are TV-set top box.This lnb comprises a plurality of connectivity ports 601 to 604, a plurality of low noise amplifier 611 to 614, a plurality of local oscillator 621 and 622, a plurality of mixer 631 to 634, a plurality of prime intermediate frequency amplifier 641 to 644, a plurality of switch 651 and 652 and a plurality of rear class intermediate frequency amplifier 661 to 664.Described a plurality of low noise amplifier 611 to 614 is in order to amplify the vertical and horizontal high frequency satellite-signal received.Described a plurality of local oscillator 621 and 622 is in order to produce a plurality of intermediate-freuqncy signals.Described a plurality of mixer 631 to 634 utilizes described a plurality of intermediate-freuqncy signal that the frequency reducing of described a plurality of high frequency satellite-signal is become to a plurality of intermediate frequency satellite-signals.Described a plurality of prime intermediate frequency amplifier 641 to 644 is in order to amplify described a plurality of intermediate frequency satellite-signal, and provides to the input of described a plurality of switchs 651 and 652.Described a plurality of rear class intermediate frequency amplifier described a plurality of switchs 651 of 661 to 664 amplification and the 652 intermediate frequency satellite-signals of exporting, and provide to described a plurality of indoor units 21 to 24 via described a plurality of connectivity ports 601 to 604.
Fig. 7 shows the power supply network network figure of outdoor unit of the multi-link port of Fig. 6.As shown in Figure 7, this outdoor unit 600 also comprises a direct current to direct current transducer 701 and a plurality of diode 711 to 714.The power supply of described a plurality of indoor unit 21 to 24 is via described a plurality of diodes 711 to 714, and in the current distributing mode via this direct current to 701 power supplies of direct current transducer.This direct current to direct current transducer 701 in order to the power supply of changing described a plurality of indoor unit 11 to 14 to provide stabling current to described a plurality of low noise amplifiers 611 to 614, described a plurality of local oscillators 621 and 622, described a plurality of mixers 631 to 634, described a plurality of prime intermediate frequency amplifiers 641 to 644 and described a plurality of rear class intermediate frequency amplifier 661 to 664.
As shown in Figure 7, described a plurality of rear class intermediate frequency amplifiers 661 to 664 also are connected to respectively described a plurality of connectivity port 601 to 604, with respectively by described a plurality of indoor unit 21 to 24 power supplies.For described a plurality of rear class intermediate frequency amplifiers 661 to 664, this rear class intermediate frequency amplifier 661 for example, its required electric current needs by this direct current, to direct current transducer 701 and this indoor unit 21, be provided respectively.Therefore, this indoor unit 21 only needs to provide the some of these rear class intermediate frequency amplifier 661 required electric currents, and reaching the minimum for the induced current demand of this indoor unit 21 with this, the remainder of these rear class intermediate frequency amplifier 661 required electric currents is provided to direct current transducer 701 by this direct current.As mentioned above, this outdoor unit 600 is that the minimum of described a plurality of indoor units 21 to 24 is applied on described a plurality of rear class intermediate frequency amplifier 661 to 664 for induced current, and therefore and significantly do not increase the minimum for induced current of described a plurality of indoor unit 21 to 24, therefore can reach the minimum purpose for induced current demand and low total power consumption that meets different indoor units simultaneously.Again, this outdoor unit 600 only needs a direct current to reach cost-effective purpose to direct current transducer 701.
Preferably, the electric current feed lines of described a plurality of rear class intermediate frequency amplifier 661 to 664 can comprise respectively a switch 721 to 724, in order in described a plurality of connectivity ports 601 to 604, not to be connected to described a plurality of indoor unit 21 to 24 o'clock, to interrupt this direct current and provide current to described a plurality of rear class intermediate frequency amplifier 661 to 664 to direct current transducer 701.
Wherein, circuit box also can be connected to a plurality of connectivity ports via a resistance or a diode.
Described a plurality of connectivity port 601 to 604 is not limited to be connected to described a plurality of rear class intermediate frequency amplifier 661 to 664, and can be connected to other circuit box (circuit block, refer to carry out the function element of various signal processing, can various circuit elements or integrated circuit realize), for example described a plurality of low noise amplifier 611 to 614, described a plurality of local oscillators 621 and 622, described a plurality of mixers 631 to 634 or described a plurality of prime intermediate frequency amplifier 641 to 644, and reach the minimum purpose for the induced current demand that meets different indoor units.
Fig. 8 shows according to the multi-link outdoor unit schematic diagram of one embodiment of the invention.As shown in Figure 8,600 801 to 804 of this outdoor units and resistance 811 to 814.Connect 601 to 604 and be connected to low amplifier 613 and 614.Because the quantity of low amplifier 613 and 614 is half of described a plurality of connectivity port 601 to 604, therefore described a plurality of connectivity port 601 to 604 is to be connected to described a plurality of low noise amplifier 613 and 614 in the current distributing mode.Therefore, described a plurality of connectivity port 601 and 602 respectively via described a plurality of diodes 801 and 802 and described a plurality of resistance 811 and 812 be connected to this low noise amplifier 613, and described a plurality of connectivity port 603 and 604 respectively via described a plurality of diodes 803 and 804 and described a plurality of resistance 813 and 814 be connected to this low noise amplifier 614.Described a plurality of indoor unit 21 to 24 meets the minimum purpose for the induced current demand by providing described a plurality of low noise amplifier 613 and the required electric current of 614 parts to reach.
Wherein, circuit box also can be connected to a plurality of connectivity ports via a resistance or a diode.
Power supply network network compared to the outdoor unit of traditional multi-link port, under the same conditions, the outdoor unit of embodiments of the invention can reach simultaneously provides the minimum purpose for induced current demand, low total power consumption and low hardware cost that meets different indoor units.In contrast to the power supply network network of Fig. 4, the power supply network network of Fig. 7 can be saved approximately 11.7% the magnitude of current.In contrast to the power supply network network of Fig. 5, the power supply network network of Fig. 7 more can be saved approximately 29.9% the magnitude of current.So electric current saving amplitude can meet the user demand of industry.In addition, the present invention also is not limited to four connectivity ports and can be applicable to the outdoor unit of various a plurality of connectivity ports.
In sum, the outdoor unit of multi-link port of the present invention is by provide partial circuit square part the required magnitude of current via its connectivity port, to reach the minimum purpose for the induced current demand that meets different indoor units.Simultaneously, as previously mentioned, the outdoor unit of multi-link port of the present invention also has the advantage of low-cost and low total power consumption and can be industry and apply.
Technology contents of the present invention and technical characterstic are open as above, yet those of ordinary skills still may reach and openly do all replacement and modifications that does not deviate from spirit of the present invention based on instruction of the present invention.Therefore, protection scope of the present invention should be not limited to the disclosed content of embodiment, and should comprise various do not deviate from replacement of the present invention and modifications, and is as the criterion with the determined protection range of the claim of enclosing.
Claims (18)
1. the outdoor unit of a multi-link port comprises:
A plurality of circuit box;
One direct current is to the direct current transducer, in order to provide current to described a plurality of circuit box; And
A plurality of connectivity ports, be connected to respectively a plurality of indoor units, to provide the confession induced current of described a plurality of indoor units to this direct current to the direct current transducer via a diode respectively;
At least one connectivity port of wherein said a plurality of connectivity ports is connected to one first circuit box of described a plurality of circuit box to provide current to this first circuit box.
2. outdoor unit according to claim 1, wherein this outdoor unit comprises a lnb.
3. outdoor unit according to claim 1, wherein said a plurality of circuit box comprise a plurality of low noise amplifiers, a plurality of local oscillator, a plurality of mixer and a plurality of intermediate frequency amplifier.
4. outdoor unit according to claim 3, wherein this first circuit box is one of them of a low noise amplifier, a local oscillator, a mixer and an intermediate frequency amplifier.
5. outdoor unit according to claim 1, wherein this first circuit box is connected to a connectivity port.
6. outdoor unit according to claim 5, wherein this first circuit box is connected to this connectivity port via a resistance.
7. outdoor unit according to claim 5, wherein this first circuit box is connected to this connectivity port via a diode.
8. outdoor unit according to claim 5, wherein this first circuit box is connected to this direct current to the direct current transducer via a switch, interrupts this direct current while with the connectivity port connected in this first circuit box, not being connected to an indoor unit and provides current to this first circuit box to the direct current transducer.
9. outdoor unit according to claim 1, wherein this first circuit box is connected to a plurality of connectivity ports.
10. outdoor unit according to claim 9, wherein this first circuit box is connected to described a plurality of connectivity port via a resistance and/or a diode respectively.
11. outdoor unit according to claim 1, it is applied to satellite communication.
12. outdoor unit according to claim 1, wherein said a plurality of indoor units are TV-set top box.
13. the outdoor unit of a multi-link port comprises:
A plurality of circuit box;
One direct current, to the direct current transducer, provides current to described a plurality of circuit box in the current distributing mode; And
A plurality of connectivity ports, be connected to respectively a plurality of indoor units, and utilize the current distributing mode to provide the confession induced current of described a plurality of indoor units to this direct current to the direct current transducer;
At least two connectivity ports of wherein said a plurality of connectivity ports are connected to one first circuit box of described a plurality of circuit box in order to provide current to this first circuit box by the current distributing mode.
14. outdoor unit according to claim 13, wherein this outdoor unit comprises a lnb.
15. outdoor unit according to claim 13, wherein said a plurality of circuit box comprise a plurality of low noise amplifiers, a plurality of local oscillator, a plurality of mixer and a plurality of intermediate frequency amplifier.
16. outdoor unit according to claim 13, wherein this first circuit box is one of them of a low noise amplifier, a local oscillator, a mixer and an intermediate frequency amplifier.
17. outdoor unit according to claim 13, it is applied to satellite communication.
18. outdoor unit according to claim 13, wherein said a plurality of indoor units are TV-set top box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910169394.2A CN101997594B (en) | 2009-08-27 | 2009-08-27 | Multi-connecting port outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910169394.2A CN101997594B (en) | 2009-08-27 | 2009-08-27 | Multi-connecting port outdoor unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101997594A CN101997594A (en) | 2011-03-30 |
| CN101997594B true CN101997594B (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910169394.2A Active CN101997594B (en) | 2009-08-27 | 2009-08-27 | Multi-connecting port outdoor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101997594B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4802239A (en) * | 1985-07-18 | 1989-01-31 | Kabushiki Kaisha Toshiba | Switch distributing apparatus for community reception |
| US7395037B2 (en) * | 2002-11-13 | 2008-07-01 | General Instrument Corporation | Control system for controlling an output signal power level of a wireless transmitter |
-
2009
- 2009-08-27 CN CN200910169394.2A patent/CN101997594B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4802239A (en) * | 1985-07-18 | 1989-01-31 | Kabushiki Kaisha Toshiba | Switch distributing apparatus for community reception |
| US7395037B2 (en) * | 2002-11-13 | 2008-07-01 | General Instrument Corporation | Control system for controlling an output signal power level of a wireless transmitter |
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| Publication number | Publication date |
|---|---|
| CN101997594A (en) | 2011-03-30 |
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