CN201398254Y - Distributor and distribution system - Google Patents
Distributor and distribution system Download PDFInfo
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- CN201398254Y CN201398254Y CN2009201050568U CN200920105056U CN201398254Y CN 201398254 Y CN201398254 Y CN 201398254Y CN 2009201050568 U CN2009201050568 U CN 2009201050568U CN 200920105056 U CN200920105056 U CN 200920105056U CN 201398254 Y CN201398254 Y CN 201398254Y
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- power supply
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Abstract
The utility model discloses a distributor and a distribution system, which are mainly used for distributing signals of an LED string lamp. The distributor comprises a control unit, a distribution unitand at least two switching power supplies. The control unit is provided with a signal interface and is used for receiving an external video signal and sending the external video signal to the distribution unit and the switching power supplies. The distribution unit is also connected with at least one external LED unit and is used for data packet according to the video signal and transmitting different packets of data to the corresponding external LED units. Any one of the switching power supplies is further connected with at least one external LED unit and is used for adjusting the output condition according to the video signal and supplying power to the LED units. In this way, according to the gray scale data of the LED units, the switching power supplies can synchronously adjust the output current, voltage or power, thereby guaranteeing the brightness and darkness and ensuring the display effect.
Description
Technical field
The present invention relates to data allocations, in particular, a kind of distribution system of a kind of distributor and this distributor of employing.
Background technology
As shown in Figure 1, in the prior art, LED unit for each LED lamp string, perhaps, for each the row LED unit that comprises various display screens that the opposite sex is put down or respectively be listed as the LED unit, its control method normally adopts data distributor, LED unit according to each lamp string, each row or each row, data are divided into data queue, adopt certain form, send to the LED unit of each lamp string, each row or each row.
For example, for a display screen, can adopt one or more data distributors, with the one-frame video data of input, be divided into the data queue of several rows, correspondence sends to each row LED unit respectively; Simultaneously, for each row LED unit, also adopt a Switching Power Supply to power at least; Thereby on this display screen, show this frame video data.
Generally, a Switching Power Supply may connect up to a hundred or hundreds of LED unit.Power supply output changes according to the demonstration needs of LED unit; For each LED unit, this Switching Power Supply power output is stable.When like this, needing to regulate the brightness of a certain LED unit; For example, the brightness of this LED unit is heightened, need increase output current for this LED unit this moment; Then output voltage can correspondingly reduce in a short time, needs certain voltage to go up the time.
Yet; when the shown part in a certain LED unit of display frame; when the front and back contrast is stronger; because the brightness of this LED unit changes greatly; and the voltage rise time can be caused hysteresis phenomenon significantly to this; thereby it is undesired or unstable to cause gray scale to show, brightness and depth descends, and has influenced display effect.
If Switching Power Supply adopts more powerful stand-by power supply to avoid the problems referred to above, then need more high-power power reserves, reduced the efficient of power supply, increased application cost; And the voltage rise time still exists, and must cause display effect still can be subjected to certain influence.
Therefore, there is defective in prior art, needs to improve.
Summary of the invention
Technical problem to be solved by this invention is that it is undesired or unstable to cause gray scale to show because the demonstration needs that power supply is exported according to the LED unit change, and brightness and depth descends, and display effect is poor.
Technical scheme of the present invention is as follows: a kind of distributor, wherein, comprise interconnective control unit and distributor, and described distributor comprises allocation units and at least two Switching Power Supplies; Described control unit is provided with a signaling interface, is used to receive outside vision signal, and sends to described distributor by described control unit; Described allocation units also are connected with at least one group of LED unit of outside, are used for carrying out packet according to described vision signal, and each group data is transferred to the outside corresponding LED unit of respectively organizing respectively; Arbitrary Switching Power Supply also is connected with at least one group of LED unit of outside, is used for according to described vision signal, adjusts output condition, for each group LED unit powers; Wherein, described output condition comprise at least output current, output voltage, power output one of them.
Described distributor wherein, is provided with the Switching Power Supply stand-by circuit, and at least one Switching Power Supply, as the backup circuit breaker power supply.
Described distributor, wherein, described control unit also is provided with a configuration interface and at least one cascade module and corresponding asynchronous interface thereof, gang mould pieces at different levels are respectively applied for a kind of cascade mode are set, and, be connected with an asynchronous interface of other distributor by its corresponding asynchronous interface according to a certain cascade mode.
Described distributor, wherein, described control unit sends to each Switching Power Supply by described allocation units with described vision signal.
Described distributor, wherein, described allocation units also be used for according to each Switching Power Supply correspondence respectively organize the LED unit, each group data is transferred to each corresponding Switching Power Supply respectively; Each Switching Power Supply also be used for according to its reception respectively organize data, adjust output condition, for each group LED unit powers.
Described distributor, wherein, described allocation units output to the holding wire of outside a certain group of LED unit, with each LED units in series of this group.
Described distributor, wherein, described allocation units output to the holding wire of outside a certain group of LED unit, and are in parallel with each LED unit of this group.
Described distributor, wherein, described allocation units are as described distributor setting, and each Switching Power Supply is arranged on described allocation units inside.
Described distributor, wherein, by each Switching Power Supply, respectively the organize LED unit corresponding with each Switching Power Supply is connected described allocation units respectively.
A kind of distribution system wherein, comprises at least one as above-mentioned arbitrary described distributor, and some groups of LED unit; Described allocation units also are connected with at least one group of LED unit; Arbitrary Switching Power Supply also is connected with at least one group of LED unit.
Adopt such scheme, the present invention prenotices Switching Power Supply by according to LED unit needs gray-scale displayed data, adjusts output current synchronously, or adjusts output voltage synchronously, or adjust power output synchronously.Show thereby normally and stably carry out gray scale, ensured brightness and depth, guaranteed display effect; And avoided Switching Power Supply need adopt more powerful stand-by power supply, improved the service efficiency of Switching Power Supply.
Description of drawings
Fig. 1 is the schematic diagram of prior art;
Fig. 2 is the schematic diagram of the embodiment 1 of distribution system of the present invention and distributor thereof;
Fig. 3 is the schematic diagram of the embodiment 2 of distribution system of the present invention and distributor thereof;
Fig. 4 is the schematic diagram of the embodiment 3 of distribution system of the present invention and distributor thereof;
Fig. 5 is the schematic diagram of the embodiment 4 of distribution system of the present invention and distributor thereof;
Fig. 6 is the schematic diagram of the embodiment 5 of distribution system of the present invention and distributor thereof;
Fig. 7 is the schematic diagram of the embodiment 6 of distribution system of the present invention and distributor thereof;
Fig. 8 is the schematic diagram of the embodiment 7 of distribution system of the present invention and distributor thereof;
Fig. 9 is the schematic diagram of the embodiment 8 of distribution system of the present invention and distributor thereof;
Figure 10 is the schematic diagram of the embodiment 9 of distribution system of the present invention and distributor thereof;
Figure 11 is the schematic diagram of the embodiment 10 of distribution system of the present invention and distributor thereof;
Figure 12 is the application schematic diagram of distribution system of the present invention and distributor thereof.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 2, present embodiment provides a kind of distribution system, and it comprises at least one distributor, and some groups of LED unit; And in Fig. 2, present embodiment also provides a kind of distributor, and this distributor comprises interconnective control unit and distributor.
Wherein, in Fig. 2, distributor only comprises control unit and distributor; Do not comprise and respectively organize the LED unit, and organize being connected of LED unit with each.Described control unit and described distributor can be made into a box body respectively in actual applications, these two box bodys can interconnect by netting twine, optical fiber, cable or other power supplys, holding wire, and each interface is set in described distributor, can be connected with each group LED unit by netting twine, optical fiber, cable or other power supplys, holding wire; Perhaps, described distributor can be made into a box body in actual applications, can be connected with each group LED unit by netting twine, optical fiber, cable or other power supplys, holding wire.For example, at described distributor hub HUB interface and power interface are set, by grafting netting twine and power line, for example, the netting twine and the power line of grafting RJ45 interface are connected with each group LED unit, to realize the transmission of power supply and signal.
Wherein, described distributor is packet, transmission, sends to by display order and respectively organizes the LED unit; For each LED unit of a certain group, can be decoded as pulse square wave by a driver element with the data that receive, produce the displacement clock, be sent to a chip for driving; According to pulse square wave, the latch signal in displacement clock and the data is controlled corresponding LED lamp by this chip for driving.
Described control unit can be provided with at least one signaling interface, is used to receive outside vision signal; Be connected with described distributor by described control unit, described vision signal is sent to described distributor.
Perhaps, as shown in Figure 2, described control unit can also be provided with a configuration interface and at least one cascade module and corresponding asynchronous interface thereof, gang mould pieces at different levels are respectively applied for a kind of cascade mode are set, and, be connected with an asynchronous interface of other distributor by its corresponding asynchronous interface according to a certain cascade mode.For example, described control unit can be provided with two cascade modules and corresponding asynchronous interface thereof, comprises a levels gang mould piece and corresponding levels connector thereof, and a vertical level gang mould piece and corresponding vertical level connector thereof.
As shown in Figure 2, described distributor comprises allocation units and at least two Switching Power Supplies; Described allocation units also are connected with at least one group of LED unit, are used to carry out packet, and each group data is transferred to the corresponding LED unit of respectively organizing respectively.
Need to prove, a distributor, generally include allocation units, also can comprise a plurality of allocation units, a plurality of allocation units can separately be provided with, and also can be arranged in parallel, the present invention does not make any additional limits to this, as long as can realize data allocations comprising the LED unit of each bar lamp string, each row or each row, thereby show and get final product to each group LED unit.
Arbitrary Switching Power Supply also is connected with at least one group of LED unit, is used for according to described vision signal, adjusts output condition, for each group LED unit powers; Wherein, described output condition comprise at least output current, output voltage, power output one of them.For example, described output condition is an output current; Perhaps, described output condition is output voltage and output current etc.Like this, according to LED unit needs gray-scale displayed data, prenotice Switching Power Supply, adjust output current synchronously, or adjust output voltage synchronously, or adjust power output synchronously, or adjust output current and power output synchronously, or adjust output current and output voltage or the like synchronously; Show thereby normally and stably carry out gray scale, ensured brightness and depth, guaranteed display effect; And avoided Switching Power Supply need adopt more powerful stand-by power supply, improved the service efficiency of Switching Power Supply.
In addition the Switching Power Supply stand-by circuit can also be set,,, make Switching Power Supply have dual or multiple guarantee to play the standby function of Switching Power Supply by another Switching Power Supply at least is set.When a Switching Power Supply that is connected with a certain group of LED unit breaks down, the backup circuit breaker power supply will replace this Switching Power Supply, carry out same task, play same effect.Described backup circuit breaker power supply can be connected with this Switching Power Supply is parallel.
A distributor generally includes a plurality of Switching Power Supplies, and concrete quantity can decide according to the quantity of LED unit.Generally speaking, as shown in Figure 2, a Switching Power Supply with can be connected one group of LED unit.For example, an output maximum current is 20 amperes a Switching Power Supply, and each desired maximum current in LED unit is 100 milliamperes, and promptly 0.1 ampere, then the multipotency of this Switching Power Supply connects 20 amperes/100 milliamperes=200 LED unit; 1 group of LED unit can be formed in these 200 LED unit, also can form the LED unit of two or more groups.
In general, the related Switching Power Supply of each embodiment among the present invention is switching power supply, promptly utilizes modern power electronics technology, and the time ratio that the control switch transistor turns on and off is kept a kind of power supply of regulated output voltage.Switching Power Supply generally is made of pulse width modulation (PWM) control IC (integrated circuit) and MOSFET (metal oxide semiconductor field effect tube).
Embodiment 2
As shown in Figure 3, similar to embodiment 1, present embodiment provides a kind of distribution system, and it comprises at least one distributor, and some groups of LED unit; And in Fig. 3, present embodiment also provides a kind of distributor, and this distributor comprises interconnective control unit and distributor.
This example is that with the difference of embodiment 1 described control unit is connected with described allocation units, also is connected with each Switching Power Supply respectively, and described control unit arrives described allocation units and each Switching Power Supply with video signal transmission.
Embodiment 3
As shown in Figure 4, similar to embodiment 1, present embodiment provides a kind of distribution system, and it comprises at least one distributor, and some groups of LED unit; And in Fig. 4, present embodiment also provides a kind of distributor, and this distributor comprises interconnective control unit and distributor, and described allocation units and each Switching Power Supply more closely are provided with, as a distributor.
This example is that with the difference of embodiment 1 described control unit is connected with described allocation units, and described control unit sends to each Switching Power Supply by described allocation units with described vision signal.
Perhaps, described allocation units also be used for according to each Switching Power Supply correspondence respectively organize the LED unit, the data of respectively organizing after the packet are transferred to each corresponding Switching Power Supply respectively; Each Switching Power Supply also be used for according to its reception respectively organize data, adjust output condition, for each group LED unit powers.
For example, the corresponding a certain group of LED unit of a certain Switching Power Supply then is transferred to this Switching Power Supply with this group LED cell data after the packet, is transferred to the data of this group LED unit by this Switching Power Supply basis, adjust output condition synchronously, for each group LED unit powers.Like this, just can adjust output current synchronously by Switching Power Supply, or adjust output voltage synchronously, or adjust power output synchronously according to LED unit needs gray-scale displayed data; Show thereby normally and stably carry out gray scale, ensured brightness and depth, guaranteed display effect; And avoided Switching Power Supply need adopt more powerful stand-by power supply, improved the service efficiency of Switching Power Supply.
Embodiment 4
As shown in Figure 5, similar to embodiment 3, present embodiment provides a kind of distribution system, and it comprises at least one distributor, and some groups of LED unit; And present embodiment also provides a kind of distributor, and this distributor comprises interconnective control unit and distributor.
This example is that with the difference of embodiment 3 described control unit is connected with described allocation units, is not connected with each Switching Power Supply, and described control unit sends to each Switching Power Supply by described allocation units with described vision signal.And described allocation units and each Switching Power Supply disperse to be provided with, and are considered as a distributor on the whole.So more help the integral layout in the practical application, spatial relationship is not made any additional limits.
In this example, for arbitrary group of LED unit, the grouped data of described allocation units is chain type transmission, and in other words, described allocation units output to the holding wire of outside a certain group of LED unit, with each LED units in series of this group.Promptly, send to some LED unit of close together earlier, be transferred to next LED unit through this LED unit again according to sequencing.
Embodiment 5
As shown in Figure 6, similar to embodiment 4, present embodiment provides a kind of distribution system, and it comprises at least one distributor, and some groups of LED unit; And present embodiment also provides a kind of distributor, and this distributor comprises interconnective control unit and distributor.
The difference of this example and embodiment 4 is, in this example, and for arbitrary group of LED unit, the grouped data of described allocation units is the transmission of tree formula, in other words, described allocation units output to the holding wire of outside a certain group of LED unit, and are in parallel with each LED unit of this group.Each LED cell data that promptly will organize simultaneously sends each LED unit of this group.
Embodiment 6
As shown in Figure 7, similar to embodiment 1, present embodiment provides a kind of distribution system, and it comprises at least one distributor, and some groups of LED unit; And present embodiment also provides a kind of distributor, and this distributor comprises interconnective control unit and distributor.
These routine characteristics are, adopt described allocation units as described distributor, and each Switching Power Supply is arranged on described allocation units inside; Like this, described control unit is connected with described allocation units, also directly is connected with each Switching Power Supply, and described control unit sends to described allocation units and wherein each Switching Power Supply respectively with described vision signal.
In Fig. 7, distributor only comprises control unit and allocation units; Do not comprise and respectively organize the LED unit, do not comprise with each yet and organize being connected of LED unit.Described distributor can be made into a box body in actual applications, can be connected with each group LED unit by netting twine, optical fiber, cable or other power supplys, holding wire.For example, at described distributor hub HUB interface and electric source line interface are set, by grafting netting twine and power line, for example, the netting twine and the power line of grafting RJ45 interface are connected with each group LED unit, to realize the transmission of power supply and signal.The interface of box body can be arranged on the allocation units.
Perhaps, as shown in Figure 7, described control unit can also be provided with a configuration interface and at least one cascade module and corresponding asynchronous interface thereof, gang mould pieces at different levels are respectively applied for a kind of cascade mode are set, and, be connected with an asynchronous interface of other distributor by its corresponding asynchronous interface according to a certain cascade mode.For example, described control unit can be provided with two cascade modules and corresponding asynchronous interface thereof, comprises a levels gang mould piece and corresponding levels connector thereof, and a vertical level gang mould piece and corresponding vertical level connector thereof.
Need to prove, a distributor, generally include allocation units, also can comprise a plurality of allocation units, a plurality of allocation units can separately be provided with, and also can be arranged in parallel, the present invention does not make any additional limits to this, as long as can realize data allocations comprising the LED unit of each bar lamp string, each row or each row, thereby show and get final product to each group LED unit.
Arbitrary Switching Power Supply also is connected with at least one group of LED unit, is used for according to described vision signal, adjusts output condition, for each group LED unit powers; Wherein, described output condition comprise at least output current, output voltage, power output one of them.For example, described output condition is an output current; Perhaps, described output condition is output voltage and output current etc.Like this, according to LED unit needs gray-scale displayed data, prenotice Switching Power Supply, adjust output current synchronously, or adjust output voltage synchronously, or adjust power output synchronously, or adjust output current and power output synchronously, or adjust output current and output voltage or the like synchronously; Show thereby normally and stably carry out gray scale, ensured brightness and depth, guaranteed display effect; And avoided Switching Power Supply need adopt more powerful stand-by power supply, improved the service efficiency of Switching Power Supply.
Embodiment 7
As shown in Figure 8, similar to embodiment 6, present embodiment provides a kind of distribution system, and it comprises at least one distributor, and some groups of LED unit; And present embodiment also provides a kind of distributor, and this distributor comprises interconnective control unit and distributor.
These routine characteristics are, adopt described allocation units as described distributor, and each Switching Power Supply is arranged on described allocation units inside; Like this, described control unit is connected with described allocation units, and described control unit sends to described allocation units with described vision signal.
This example is that with the difference of embodiment 6 described control unit is connected with each Switching Power Supply by described allocation units, and described control unit sends to each Switching Power Supply by described allocation units with described vision signal.
Perhaps, described control unit is connected with described allocation units, is not connected with each Switching Power Supply, and described control unit sends to described allocation units with described vision signal; Described allocation units also be used for according to each Switching Power Supply correspondence respectively organize the LED unit, the data of respectively organizing after the packet are transferred to each corresponding Switching Power Supply respectively; Each Switching Power Supply also be used for according to its reception respectively organize data, adjust output condition, for each group LED unit powers.
For example, the corresponding a certain group of LED unit of a certain Switching Power Supply then is transferred to this Switching Power Supply with this group LED cell data after the packet, is transferred to the data of this group LED unit by this Switching Power Supply basis, adjust output condition synchronously, for each group LED unit powers.Like this, just can adjust output current synchronously by Switching Power Supply, or adjust output voltage synchronously, or adjust power output synchronously according to LED unit needs gray-scale displayed data; Show thereby normally and stably carry out gray scale, ensured brightness and depth, guaranteed display effect; And avoided Switching Power Supply need adopt more powerful stand-by power supply, improved the service efficiency of Switching Power Supply.
Embodiment 8
As shown in Figure 9, similar to embodiment 7, present embodiment provides a kind of distribution system, and it comprises at least one distributor, and some groups of LED unit; And present embodiment also provides a kind of distributor, and this distributor comprises interconnective control unit and distributor.
The difference of this example and embodiment 7 is, in this example, and for arbitrary group of LED unit, the grouped data of described allocation units is the transmission of tree formula, in other words, described allocation units output to the holding wire of outside a certain group of LED unit, and are in parallel with each LED unit of this group.Each LED cell data that promptly will organize simultaneously sends to each LED unit of this group.
Embodiment 9
As shown in figure 10, similar to the foregoing description 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5, present embodiment provides a kind of distribution system, and it comprises at least one distributor, and some groups of LED unit; And present embodiment also provides a kind of distributor, and this distributor comprises interconnective control unit and distributor.
Described allocation units in the described distributor are connected with at least one group of LED unit by each Switching Power Supply, are used to carry out packet, and each group data is transferred to the corresponding LED unit of respectively organizing by each Switching Power Supply respectively.
Arbitrary Switching Power Supply also is connected with at least one group of LED unit, is used for according to described vision signal, adjusts output condition, for each group LED unit powers; The related data of LED unit is respectively organized in the also corresponding output of each Switching Power Supply.Wherein, described output condition comprise at least output current, output voltage, power output one of them.
For example, each Switching Power Supply is connected with one group of LED unit respectively, and described allocation units are connected with one group of LED unit by a Switching Power Supply respectively, and the data after will dividing into groups by each Switching Power Supply are transferred to the corresponding LED unit of respectively organizing respectively.In this case, each Switching Power Supply is except adjusting output condition according to each grouped data, and for outside each group LED unit powers, the related data of LED unit is respectively organized in also corresponding output; Related data comprises in grey scale signal, clock signal, ground signalling, latch signal, the enable signal one or multinomial.
Embodiment 10
As shown in figure 11, similar to the foregoing description 6, embodiment 7, embodiment 8, present embodiment provides a kind of distribution system, and it comprises at least one distributor, and some groups of LED unit; And present embodiment also provides a kind of distributor, and this distributor comprises interconnective control unit and distributor.
Adopt described allocation units as described distributor, each Switching Power Supply is arranged on described allocation units inside; Like this, described control unit is connected with described allocation units, can also directly be connected with each Switching Power Supply, and described control unit sends to described allocation units and wherein each Switching Power Supply respectively with described vision signal; Perhaps, described control unit also can be connected with each Switching Power Supply by described allocation units, and the data of respectively organizing after will being divided into groups by described allocation units send to each Switching Power Supply respectively.
Described allocation units are connected with at least one group of LED unit by each Switching Power Supply, are used to carry out packet, and each group data is transferred to the corresponding LED unit of respectively organizing by each Switching Power Supply respectively.
Arbitrary Switching Power Supply also is connected with at least one group of LED unit, is used for according to described vision signal, adjusts output condition, for each group LED unit powers; The related data of LED unit is respectively organized in the also corresponding output of each Switching Power Supply.Wherein, described output condition comprise at least output current, output voltage, power output one of them.
For example, each Switching Power Supply is connected with one group of LED unit respectively, and described allocation units are connected with one group of LED unit by a Switching Power Supply respectively, and the data after will dividing into groups by each Switching Power Supply are transferred to the corresponding LED unit of respectively organizing respectively.In this case, each Switching Power Supply is except adjusting output condition according to each grouped data, and for outside each group LED unit powers, the related data of LED unit is respectively organized in also corresponding output; Related data comprises in grey scale signal, clock signal, ground signalling, latch signal, the enable signal one or multinomial.
Embodiment 11
As shown in figure 12, on the basis of above-mentioned each example, present embodiment provides the practical situations of a kind of distribution system and distributor thereof, by PC or other data source, vision signal is passed through transmit control device, receive controller and be sent at least one distributor of the present invention, send vision signal or related data to other distributors by this distributor cascade, perhaps, after will dividing into groups by this distributor respectively organize data and through the adjusted adjustment output condition of each Switching Power Supply, be transferred to corresponding respectively organizing on the LED unit, thereby form the display effect of display screen or lamp decoration.
Need to prove, other distributors of this distributor cascade, can with this distributor acting in conjunction in an identical LED display or a lamp decoration; Be the data of respectively organizing the LED unit that each distributor is handled one or more LED displays or lamp decoration respectively.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (12)
1, a kind of distributor is characterized in that, comprises interconnective control unit and distributor, and described distributor comprises allocation units and at least two Switching Power Supplies;
Described control unit is provided with a signaling interface, is used to receive outside vision signal, and sends to described distributor by described control unit;
Described allocation units also are connected with at least one group of LED unit of outside, are used for carrying out packet according to described vision signal, and each group data is transferred to the outside corresponding LED unit of respectively organizing respectively;
Arbitrary Switching Power Supply also is connected with at least one group of LED unit of outside, is used for according to described vision signal, adjusts output condition, for each group LED unit powers; Wherein, described output condition comprise at least output current, output voltage, power output one of them.
2, distributor according to claim 1 is characterized in that, the Switching Power Supply stand-by circuit is set, and at least one Switching Power Supply, as the backup circuit breaker power supply.
3, distributor according to claim 1, it is characterized in that, described control unit also is provided with a configuration interface and at least one cascade module and corresponding asynchronous interface thereof, gang mould pieces at different levels are respectively applied for a kind of cascade mode are set, and, be connected with an asynchronous interface of other distributor by its corresponding asynchronous interface according to a certain cascade mode.
4, distributor according to claim 1 is characterized in that, described control unit sends to each Switching Power Supply by described allocation units with described vision signal.
5, distributor according to claim 1 is characterized in that, described allocation units also be used for according to each Switching Power Supply correspondence respectively organize the LED unit, each group data is transferred to each corresponding Switching Power Supply respectively; Each Switching Power Supply also be used for according to its reception respectively organize data, adjust output condition, for each group LED unit powers.
6, according to claim 3 or 4 described distributors, it is characterized in that described allocation units output to the holding wire of outside a certain group of LED unit, with each LED units in series of this group.
7, according to claim 3 or 4 described distributors, it is characterized in that described allocation units output to the holding wire of outside a certain group of LED unit, in parallel with each LED unit of this group.
8, distributor according to claim 6 is characterized in that, described allocation units are as described distributor setting, and each Switching Power Supply is arranged on described allocation units inside.
9, distributor according to claim 7 is characterized in that, described allocation units are as described distributor setting, and each Switching Power Supply is arranged on described allocation units inside.
10, distributor according to claim 6 is characterized in that, by each Switching Power Supply, respectively the organize LED unit corresponding with each Switching Power Supply is connected described allocation units respectively.
11, distributor according to claim 7 is characterized in that, by each Switching Power Supply, respectively the organize LED unit corresponding with each Switching Power Supply is connected described allocation units respectively.
12, a kind of distribution system is characterized in that, comprise at least one as the arbitrary described distributor of claim 1 to 9, and some groups of LED unit;
Described allocation units also are connected with at least one group of LED unit; Arbitrary Switching Power Supply also is connected with at least one group of LED unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201050568U CN201398254Y (en) | 2009-01-12 | 2009-01-12 | Distributor and distribution system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201050568U CN201398254Y (en) | 2009-01-12 | 2009-01-12 | Distributor and distribution system |
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| CN201398254Y true CN201398254Y (en) | 2010-02-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097858A (en) * | 2010-05-21 | 2011-06-15 | 湖南师范大学 | Mixed direct-current power system for large LED display screen |
| CN104295971A (en) * | 2013-07-17 | 2015-01-21 | 冯凯 | Light cube ceiling lamp |
-
2009
- 2009-01-12 CN CN2009201050568U patent/CN201398254Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097858A (en) * | 2010-05-21 | 2011-06-15 | 湖南师范大学 | Mixed direct-current power system for large LED display screen |
| CN102097858B (en) * | 2010-05-21 | 2013-03-13 | 湖南师范大学 | Mixed direct-current power system for large LED display screen |
| CN104295971A (en) * | 2013-07-17 | 2015-01-21 | 冯凯 | Light cube ceiling lamp |
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