CN208016070U - Lamp string unit, LED cascade systems - Google Patents

Lamp string unit, LED cascade systems Download PDF

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Publication number
CN208016070U
CN208016070U CN201820391126.XU CN201820391126U CN208016070U CN 208016070 U CN208016070 U CN 208016070U CN 201820391126 U CN201820391126 U CN 201820391126U CN 208016070 U CN208016070 U CN 208016070U
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lamp string
data
data channel
string unit
signal
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罗正
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Hangzhou Shixin Technology Co.,Ltd.
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Hangzhou Core Technology Co Ltd
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Abstract

This application discloses a kind of lamp string unit, LED cascade systems.Lamp string unit includes the first data channel and the second data channel, is respectively used to transmission data signal;And drive module, straight-through module and multiple LED light, the drive module are located at first data channel, the straight-through module is located at second data channel, and the drive module drives multiple LED light according to the data-signal that first data channel is transmitted.The lamp string unit carries out redundant data transmissions using data channel independent of each other, reduces wiring complexity, reverse data transmission can be carried out when multiple lamp strings are unit cascaded, to improve system reliability.

Description

Lamp string unit, LED cascade systems
Technical field
The utility model is related to LED display fields, more particularly, to lamp string unit, LED cascade systems.
Background technology
LED (light-emitting diode) lamp string is widely used in landscape and lamp ornaments lighting and display field.
Fig. 1 shows that a kind of LED cascade systems 100 of the prior art, a communication output mouth of control terminal 101 provide one The data-signal of the cascade lamp string unit of row, respectively there are one communication port, including input terminal for each 102 opposite sides of lamp string unit Mouth and output port.One of the cascade lamp string unit of a line, the input port connection control terminal 101 of first order lamp string unit is logical Believe output port, the input port of the output port connection rear stage lamp string unit of subsequent previous stage lamp string unit.Per a line grade The data-signal forward direction that the lamp string unit of connection exports 101 output port of control terminal is transmitted, and realizes display.
When certain level-one lamp string unit breaks down in LED cascade systems 100, all lamp string units of rear class will be unable to receive Data-signal, and then the corresponding multiple LED light of each lamp string unit of rear class is caused to can not work normally, reduce LED grades of contacts The system reliability of system.
To improve the system reliability of LED cascade systems, each lamp string unit in LED cascade systems 200 shown in Fig. 2 202 include two input ports and an output port positioned at not homonymy.The cascade lamp string unit of a line, first order lamp string list The identical data-signal of two-way that two input ports reception control terminals 201 of member export, two of subsequent rear stage lamp string unit Input port is separately connected the input port and an output port of previous stage lamp string unit.LED cascade systems 200 pass through redundancy The mode of transmission can solve the problems, such as that certain grade of lamp string cell failure leads to loading error occurring in LED cascade systems, but LED is cascaded The two paths of data that rear class lamp string unit receives in system 200 is different, needs to carry out data processing inside lamp string unit, and use The mode of redundant transmission increases the complexity of system wiring.
It is expected that the reliability for further decreasing LED cascade systems wiring complexity and raising LED cascade systems is aobvious to be promoted Show effect.
Utility model content
The purpose of this utility model is to provide a kind of lamp string unit that can solve the above technical problem and LED grades of contacts System.
One side according to the present utility model, provides a kind of lamp string unit, and the lamp string unit includes the first data channel With the second data channel, it is respectively used to transmission data signal;And drive module, straight-through module and multiple LED light, the driving Module is located at first data channel, and the straight-through module is located at second data channel, and the drive module is according to institute The data-signal for stating the transmission of the first data channel drives multiple LED light.
Preferably, first data channel further includes:First port is connected to the input terminal of the drive module, and And receive the data-signal;And second port, it is connected to the output end of the drive module, and send the data letter Number.
Preferably, the input terminal and output end of the drive module are respectively adaptive bidirectional port, are receiving the number It is believed that number when be automatically configured to input terminal, be automatically configured to output end when sending the data-signal.
Preferably, second data channel further includes:Third port is connected to the input terminal of the straight-through module;With And the 4th port, it is connected to the output end of the straight-through module.
Preferably, the straight-through module directly forwards the data-signal.
Another aspect according to the present utility model, provides a kind of LED cascade systems, and the LED cascade systems include control End;And multiple lamp string units, including:First data channel and the second data channel, are respectively used to transmission data signal;And Drive module, straight-through module and multiple LED light, the drive module are located at first data channel, the straight-through module position In second data channel, the multiple lamp string unit receives the data-signal from the control terminal, and cascades with one another Forward direction transmits the data-signal, the second data of the first data channel connection i+1 grade lamp string unit of i-stage lamp string unit Channel, the second data channel of the i-stage lamp string unit connect the first data channel of the i+1 grade lamp string unit, institute It is more than or equal to 1 to state drive module and drive multiple LED light, wherein i according to the data-signal that first data channel is transmitted Integer.
Preferably, the first order lamp string unit in the multiple lamp string unit is connected with the control terminal, to obtain two The parallel data-signal in road.
Preferably, first data channel of the afterbody lamp string unit in the multiple lamp string unit and described Two data channel form loop, to data-signal described in the reverse transfer since the afterbody lamp string unit.
Preferably, first data channel of the i-stage lamp string unit and the i+1 grade lamp string unit is described The distribution of second data channel is identical, second data channel of the i-stage lamp string unit and the i+1 grade lamp string unit First data channel distribution it is identical.
Preferably, first data channel of the i-stage lamp string unit and the i+1 grade lamp string unit is described The distribution of first data channel is identical, second data channel of the i-stage lamp string unit and the i+1 grade lamp string unit Second data channel distribution it is identical.
Preferably, first data channel includes first port, is connected to the input terminal of the drive module, and is connect Receive the data-signal;And second port, it is connected to the output end of the drive module, and send the data-signal.
Preferably, the input terminal and output end of the drive module are respectively adaptive bidirectional port, are receiving the number It is believed that number when be automatically configured to input terminal, be automatically configured to output end when sending the data-signal.
Preferably, second data channel includes:Third port is connected to the input terminal of the straight-through module;And 4th port is connected to the output end of the straight-through module.
Preferably, the straight-through module directly forwards the data-signal.
Preferably, the LED cascade systems are one kind in LED illumination System and LED display system.
The utility model lamp string unit carries out redundant data transmissions, data channel using two data independent of each other channel The communication port symmetric design of opposite sides setting, reduces wiring complexity.Multiple unit cascaded formation loops of lamp string so that LED cascade systems can carry out reverse data transmission, and data transmission is more flexible, to improve the display of system reliability and LED Effect.
Description of the drawings
By referring to the drawings to the description of the utility model embodiment, above-mentioned and other mesh of the utility model , feature and advantage will be apparent from, in the accompanying drawings:
Fig. 1 shows a kind of structural schematic diagram of LED cascade systems of the prior art;
Fig. 2 shows the structural schematic diagrams of another LED cascade systems of the prior art;
Fig. 3 shows the internal structure schematic diagram of the utility model lamp string unit;
Fig. 4 shows the structural schematic diagram of the utility model LED cascade systems;
Fig. 5 shows the structural schematic diagram of the utility model LED cascade system first embodiments.
Specific implementation mode
Hereinafter reference will be made to the drawings is more fully described the utility model.In various figures, identical element is using similar Reference numeral indicate.For the sake of clarity, the various pieces in attached drawing are not drawn according to than row.Furthermore, it is possible to not show Go out certain well known parts.
Many specific details of the utility model are described hereinafter, to be more clearly understood that the utility model. But just as the skilled person will understand, it can not realize that this practicality is new according to these specific details Type.
The utility model can be presented in a variety of manners, some of them case explained below.
Fig. 3 shows the internal structure schematic diagram of the utility model lamp string unit.Lamp string unit 20 includes mutually independent the One data channel and the second data channel, the first data channel and the second data channel are used for transmission data-signal.
Drive module 21 is located in the first data channel, and the one of the first port A connections drive module 21 of lamp string unit 20 A port receives data-signal and drives the multiple LED light 22 being connect with drive module 21, the second port B of lamp string unit 20 The another port for connecting drive module 21, exports remaining data-signal.
Straight-through module 22 is located in the second data channel, and the one of the third port C connections straight-through module 22 of lamp string unit 20 A port, the another port of the 4th port D connections straight-through module 22 of lamp string unit 20, the second data channel is via straight-through module 22 forwarding data-signals.
It should be noted that drive module 21 includes shift register, memory module, read module, data processing module Concrete operating principle Deng, the drive module 21 is the field known to the staff of this field, and details are not described herein.Drive mould The input terminal and output end of block 21 are, for example, adaptive bidirectional port, when the input terminal or output end of drive module 21 send number It is believed that number when, the port Auto-matching be output port;When the input terminal or output end of drive module 21 receive data-signal When, which is input port.
The first port A and third port C of lamp string unit 20 are located at the side of lamp string unit, second end in the utility model Mouthful B and the 4th port D is located at the other side of lamp string unit, but in the utility model lamp string unit specific implementation it is without being limited thereto, The first port A and the 4th port D of lamp string unit are located at the side of lamp string unit, and second port B and third port C are located at lamp string The other side of unit.In Fig. 3 I be, for example, lamp string unit internal structure schematic diagram, II is, for example, two data of lamp string unit in Fig. 3 Channel rotates 180 ° of internal structure schematic diagram, the drive module 21 being connect with first port A and second port B in lamp string unit Input terminal and output end be adaptive bidirectional port, the straight-through mould being connect with third port C and the 4th port D in lamp string unit Block 22 is for forwarding data-signal, therefore in practical applications, the utility model proposes lamp string unit in two data channel revolve Turn 180 °, still can work normally.
The utility model lamp string unit carries out redundant data transmissions using data channel independent of each other, reduces lamp string list First wiring complexity, the port symmetrical in each circuit data channel design the transmitted in both directions for realizing data-signal in lamp string unit, And then data-signal can be reversed transmission when multiple lamp strings are unit cascaded, to improve system reliability.
Fig. 4 shows the structural schematic diagram of the utility model LED cascade systems.
As shown in figure 4, LED cascade systems 300 include control terminal 301 and the cascade lamp string unit 302 of multirow, each lamp string Unit 302 drives multiple LED light, and lamp string unit is, for example, lamp string unit described above.
The first data channel of first order lamp string unit receives that control terminal 301 exports in the cascade lamp string unit of a line the Data-signal all the way is transmitted to this grade of drive module and drives this grade of multiple LED light, and remaining data signal is passed through the first data Channel transfer to second level lamp string unit the second data channel;First order lamp string the second data channel of unit receives control terminal Second circuit-switched data signal of 301 outputs, the first data channel of second level lamp string unit is transmitted to by this grade of straight-through module.
Second data channel of second level lamp string unit receives remaining first via data-signal, passes through this grade of straight-through module It is transmitted to the first data channel of next stage lamp string unit;First data channel of second level lamp string unit receives the second circuit-switched data Signal is transmitted to this grade of drive module and is driven to this grade of multiple LED light, and by remaining second circuit-switched data signal transmission to next Second data channel of grade lamp string unit.
The rest may be inferred, and the second data of the first data channel connection i-stage lamp string unit of i+1 grade lamp string unit are logical Road, the first data channel of the second data channel connection i-stage lamp string unit of i+1 grade lamp string unit, multiple lamp string units Drive module multiple LED light of this grade are driven according to the data-signal of reception, to the last level-one lamp string unit, afterbody First data channel of lamp string unit 10 forms loop with the second data channel.Wherein i is the integer more than or equal to 1.
It should be noted that the two paths of data channel of first order lamp string unit is connect with control terminal, it is parallel to obtain two-way Data-signal.First data channel of lamp string unit, which receives data-signal, need to first pass through shift LD in such as lamp string unit Device processing, will drive the data transmission of this grade of lamp string unit to drive module, drive module drives this grade more according to data-signal A LED light and by the second data channel of remaining data signal transmission to next stage lamp string unit, the second number of lamp string unit Any processing need not be done according to channel reception to data-signal, is directly transferred to the first data channel of next stage lamp string unit In.
In the cascade lamp string unit of a line, first order lamp string unit receives the two-way parallel data signal of control terminal output, First data channel of first order lamp string unit receives the first via data-signal exported by control terminal, according to LED cascade systems Loop first drive multiple LED light of the odd level headed by the corresponding multiple LED light of first order lamp string unit, then from last Level-one lamp string unit starts the LED light of reverse transmission data signal driving even level until the corresponding LED of second level lamp string unit Until lamp, when the correspondence lamp string unit that first via data signal transmission to drive module malfunctions, first via data signal transmission It terminates.First order lamp string the second data channel of unit receives the second circuit-switched data signal exported by control terminal, is contacted according to LED grades The loop of system first drives multiple LED light of the even level headed by the corresponding multiple LED light of second level lamp string unit, then from most Rear stage lamp string unit starts the LED light of reverse transmission data signal driving odd level until first order lamp string unit is corresponding Until LED light, when the correspondence lamp string unit that the second circuit-switched data signal transmission to drive module malfunctions, the second circuit-switched data signal passes Defeated termination.
At this time in addition to the corresponding multiple LED light of the lamp string unit of error can not work normally in the cascade lamp string unit of a line Except, remaining lamp string unit at different levels can work normally, and enhance system reliability, and data channel independent of each other carries out Redundant data transmissions reduce wiring complexity.
When the driving circuit error of certain level-one lamp string unit in LED cascade systems being only described in detail herein, remaining is each The principle of grade lamp string unit normal work.But when the lamp string unit of adjacent two-stage even multistage even level or odd level When drive module malfunctions, remaining lamp string unit at different levels still can work normally, concrete operating principle and above-mentioned level-one lamp string list Operation principle when the drive module error of member is similar, and details are not described herein.
Fig. 5 shows the structural schematic diagram of the utility model LED cascade system first embodiments.
As shown in figure 5, being the specific connected mode schematic diagram of the utility model LED cascade systems.Above-mentioned LED cascade systems 400 include control terminal 301 and multiple lamp string units 20, multiple lamp string units 20 be the utility model proposes lamp string unit, Details are not described herein for internal concrete structure.
In the cascade lamp string unit of a line, the first port A of first order lamp string the first data channel of unit receives control terminal The data-signal of 301 outputs is transmitted to this grade of drive module and is driven to this grade of multiple LED light, and remaining data signal is passed through The second port B of first data channel is transmitted to the 4th port D of the second level the second data channel of lamp string unit;First order lamp string The third port C of the second data channel of unit receives the data-signal that control terminal 301 exports, and is transmitted to by this grade of straight-through module The second port B of the second level the first data channel of lamp string unit.
4th port D of the second level the second data channel of lamp string unit receives remaining data-signal, straight-through by this grade Module transfer to next stage lamp string the first data channel of unit first port A;The second level the first data channel of lamp string unit Second port B receives data-signal, is transmitted to this grade of drive module and is driven to this grade of multiple LED light, and by remaining data signal The third port C of next stage lamp string the second data channel of unit is transmitted to by the first port A of the first data channel.
The rest may be inferred, to the last level-one lamp string unit, when the cascade lamp string unit of a line includes even number lamp string list Member, the first port A of the first data channel of afterbody lamp string unit connect the third port C of the second data channel of this grade; When the cascade lamp string unit of a line includes odd number lamp string unit, the second of the first data channel of afterbody lamp string unit Port B connects the 4th port D of the second data channel of this grade.
In the present embodiment, the second data channel of the first data channel and i+1 grade lamp string unit of i-stage lamp string unit Distributing position is identical, and the second data channel of i-stage lamp string unit and the first data channel of i+1 grade lamp string unit are distributed position It sets identical.
It should be noted that the implementation of LED cascade systems is not limited to the above embodiments in the present invention, more specifically, i-stage First data channel of lamp string unit is identical with the first data channel distributing position of i+1 grade lamp string unit, i-stage lamp string list Second data channel of member is identical with the second data channel distributing position of i+1 grade lamp string unit.
Applied to the data transmission method of the utility model LED cascade systems, control terminal exports the parallel data letter of two-way Number to above-mentioned LED cascade systems, the first data channel that first via data-signal passes through LED cascade system first order lamp string units To LED cascade system forward direction transmission data signals, the second circuit-switched data signal pass through LED cascade system first order lamp string units Two data channel are to LED cascade system forward direction transmission data signals.When in first via data-signal or the second circuit-switched data signal When stealpass is defeated, another way data-signal reverse transmission data signal since afterbody lamp string unit.Above-mentioned transmission side data Method can make level-one in the cascade lamp string unit of a line in addition to error or mutually non-conterminous multiple modulation string location is corresponding Except multiple LED light can not work normally, remaining lamp string unit at different levels can work normally, and enhance system reliability, and Data channel independent of each other carries out redundant data transmissions, reduces wiring complexity.
It should be noted that the foregoing description of the present embodiment only more clearly describes the present embodiment, the utility model Implement without being limited thereto, the lamp string unit of above-mentioned odd level and the lamp string port layout of even level can be interchanged.And the present embodiment In LED cascade systems can be any one of LED illumination System and LED display system, and then by LED realize illumination or Person's display function.
It should be noted that herein, the relational terms of such as one end and the other end or the like are used merely to one Entity, which is either operated, to be distinguished without necessarily requiring or implying these entities with another entity or operation or operates it Between there are any actual relationship or orders.It is intended to moreover, belonging to "comprising", " comprising " or its any other variant Cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or setting Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in the process, method, article or apparatus that includes the element.
It is as described above according to the embodiments of the present invention, these embodiments there is no all details of detailed descriptionthe, The specific embodiment that the utility model is only described is not limited yet.These embodiments are chosen and specifically described to this specification, be for The principles of the present invention and practical application are preferably explained, to enabling skilled artisan to utilize well The utility model and modification on the basis of the utility model use.Although with reference to foregoing embodiments to the utility model into Go detailed description, it will be understood by those of ordinary skill in the art that:It still can be to recorded in foregoing embodiments Technical solution is modified, or carries out equivalent replacement to its all or part of technical characteristic;And these modifications or replacements, The range for each embodiment technical solution of the utility model that it does not separate the essence of the corresponding technical solution.

Claims (15)

1. a kind of lamp string unit, which is characterized in that including:
First data channel and the second data channel, are respectively used to transmission data signal;And
Drive module, straight-through module and multiple LED light, the drive module are located at first data channel, the straight-through mould Block is located at second data channel, and the drive module is multiple according to the data-signal driving that first data channel is transmitted LED light.
2. lamp string unit according to claim 1, which is characterized in that first data channel further includes:
First port, is connected to the input terminal of the drive module, and receives the data-signal;And
Second port, is connected to the output end of the drive module, and sends the data-signal.
3. lamp string unit according to claim 2, which is characterized in that the input terminal and output end of the drive module are distinguished For adaptive bidirectional port, it is automatically configured to input terminal when receiving the data-signal, certainly when sending the data-signal It is dynamic to be configured as output to hold.
4. lamp string unit according to claim 1, which is characterized in that second data channel further includes:
Third port is connected to the input terminal of the straight-through module;And
4th port is connected to the output end of the straight-through module.
5. lamp string unit according to claim 4, which is characterized in that the straight-through module directly forwards the data to believe Number.
6. a kind of LED cascade systems, including:
Control terminal;And
Multiple lamp string units, including:
First data channel and the second data channel, are respectively used to transmission data signal;And
Drive module, straight-through module and multiple LED light, the drive module are located at first data channel, the straight-through mould Block is located at second data channel,
It is characterized in that, the multiple lamp string unit receives the data-signal, and the forward direction that cascades with one another from the control terminal The data-signal is transmitted, the second data of the first data channel connection i+1 grade lamp string unit of i-stage lamp string unit are logical Road, the second data channel of the i-stage lamp string unit connects the first data channel of the i+1 grade lamp string unit, described It is whole more than or equal to 1 that drive module drives multiple LED light, wherein i according to the data-signal that first data channel is transmitted Number.
7. LED cascade systems according to claim 6, which is characterized in that the first order lamp in the multiple lamp string unit String location is connected with the control terminal, to obtain the parallel data-signal of two-way.
8. LED cascade systems according to claim 6, which is characterized in that the afterbody in the multiple lamp string unit First data channel of lamp string unit and second data channel form loop, thus from the afterbody lamp string list Member starts data-signal described in reverse transfer.
9. LED cascade systems according to claim 6, which is characterized in that first number of the i-stage lamp string unit It is identical as the second data channel distribution of i+1 grade lamp string unit according to channel, the i-stage lamp string unit it is described Second data channel is identical as the first data channel distribution of i+1 grade lamp string unit.
10. LED cascade systems according to claim 6, which is characterized in that described the first of the i-stage lamp string unit Data channel is identical as the first data channel distribution of i+1 grade lamp string unit, the institute of the i-stage lamp string unit It is identical as the second data channel distribution of i+1 grade lamp string unit to state the second data channel.
11. LED cascade systems according to claim 6, which is characterized in that first data channel includes:
First port, is connected to the input terminal of the drive module, and receives the data-signal;And
Second port, is connected to the output end of the drive module, and sends the data-signal.
12. LED cascade systems according to claim 11, which is characterized in that the input terminal of the drive module and output End is respectively adaptive bidirectional port, and input terminal is automatically configured to when receiving the data-signal, is sending the data letter Number when be automatically configured to output end.
13. LED cascade systems according to claim 6, which is characterized in that second data channel includes:
Third port is connected to the input terminal of the straight-through module;And
4th port is connected to the output end of the straight-through module.
14. LED cascade systems according to claim 13, which is characterized in that the straight-through module directly forwards the number It is believed that number.
15. LED cascade systems according to claim 6, which is characterized in that the LED cascade systems are selected from LED illumination One kind in system and LED display system.
CN201820391126.XU 2018-03-21 2018-03-21 Lamp string unit, LED cascade systems Active CN208016070U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108513393A (en) * 2018-03-21 2018-09-07 杭州视芯科技有限公司 Lamp string unit, LED cascade systems and data transmission method
CN111867177A (en) * 2020-07-13 2020-10-30 华润半导体(深圳)有限公司 LED driving apparatus and method, and readable storage medium
CN113096591A (en) * 2021-06-08 2021-07-09 成都成电光信科技股份有限公司 LED display video transmission method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108513393A (en) * 2018-03-21 2018-09-07 杭州视芯科技有限公司 Lamp string unit, LED cascade systems and data transmission method
CN108513393B (en) * 2018-03-21 2024-04-02 杭州视芯科技股份有限公司 Light string unit, LED cascading system and data transmission method
CN111867177A (en) * 2020-07-13 2020-10-30 华润半导体(深圳)有限公司 LED driving apparatus and method, and readable storage medium
CN113096591A (en) * 2021-06-08 2021-07-09 成都成电光信科技股份有限公司 LED display video transmission method

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