CN101578004A - LED pixel lamp with redundancy fault-tolerant function and lamp screen consisting of same - Google Patents
LED pixel lamp with redundancy fault-tolerant function and lamp screen consisting of same Download PDFInfo
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- CN101578004A CN101578004A CNA2008101060184A CN200810106018A CN101578004A CN 101578004 A CN101578004 A CN 101578004A CN A2008101060184 A CNA2008101060184 A CN A2008101060184A CN 200810106018 A CN200810106018 A CN 200810106018A CN 101578004 A CN101578004 A CN 101578004A
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Abstract
The invention discloses an LED pixel lamp with redundancy fault-tolerant function and a lamp screen consisting of the same. The LED pixel lamp consists of a lamp shell and a lamp body; the inside of the lamp body is provided with a PCB board provided with an LED luminous unit, a driving control chip and power supply anode-cathode lines; the driving control chip at least comprises one redundancy fault-tolerant driving control chip provided with at least two pairs of signal input ends and signal output ends which are arranged in parallel; for each pair of signal input end and signal output end, the signal input end is connected with the signal output end by a line; the redundancy fault-tolerant driving control chips are connected with each other by at least two signal control lines which are arranged in parallel, have the redundancy fault-tolerant function and are provided by at least two lines; and a plurality of LED pixel lamps are in inserting connection by males and females arranged on end parts of the lines to form the LED pixel lamp screen.
Description
Technical field
The present invention relates to lamp decoration and show the field, particularly relate to the lamp screen of a kind of pixel lamp and composition thereof.
Background technology
What now be most widely used is large tracts of land monoblock electronics display board, because the inconvenience of its dismounting, transportation, installation, maintenance, have greatly by the gesture of fritter pixel lamp replacement, because the fritter pixel lamp can be formed the screen body of various areas, all kinds of shapes as required, also some pixel lamps can be formed display screen and show various videos, animation etc.Components and parts are many, line is many, power supply is many, circuit is complicated because LED screen body has, the characteristics that components and parts are numerous, and guaranteeing does not go wrong needs system to possess extreme high reliability.But under present engineering level conditions, stable important task places one's entire reliance upon and selects for use at components and parts, the input aspect the control of the improvement of production technology, the quality of production.But because of Installed System Memory at a large amount of components and parts, countless process procedures such as solder joint, small bad in any point wherein all might cause the stability change of final products.Uncontrollable factor wherein is difficult to avoid fully.
Redundancy is meant some parts of repeated configuration system, and when system broke down, the work of trouble unit is got involved and born to the parts of redundant configuration; The fault-tolerant system that is meant still can continue the function of operate as normal when its a certain component faults, fault tolerance generally is to realize by redundant component.The assurance system breaks down or technology that still can operate as normal during mistake is called fault-toleranr technique at some part.Can be divided into two classes from the fault of system: a class is " fatal ", can not repair voluntarily, and for example the critical piece of system all damages; Another kind of is local, may be repaired the mistake that for example subelement inefficacy, line fault, accidental interference cause etc.The redundancy fault-tolerant technology utilizes redundant component to construct a kind of technology that can get rid of the non-lethal fault automatically just.
Summary of the invention
The present invention is in order to solve deficiency of the prior art, to have proposed a kind of have the LED pixel lamp of functions of redundancy and fault tolerance and the LED pixel lamp screen of composition thereof especially.
The technical solution used in the present invention is as follows:
Scheme one: have the LED pixel lamp of functions of redundancy and fault tolerance, be made up of lamp housing and lamp body, be provided with pcb board in the lamp body, pcb board is provided with the LED luminescence unit, comprises at least one light-emitting diode; The drive controlling chip, control LED lumination of light emitting diode; With the LED luminescence unit by the positive source circuit that is connected and with the direct-connected power cathode circuit of drive controlling chip, for circuit in the pixel lamp provides voltage; At least include a redundancy fault-tolerant drive control chip in the described drive controlling chip, this chip has at least two pairs of parallel signal input parts and signal output part, the signal input part of the every pair of signal input part and signal output part is connected with signal output part by the single line road, and at least two parallel and signal controlling circuits that have functions of redundancy and fault tolerance interconnected by at least two circuits provide between the redundancy fault-tolerant drive control chip.
Control signal is by the signal input part input of redundancy fault-tolerant drive control chip, and is luminous by the described LED luminescence unit of the direct drive controlling of described redundancy fault-tolerant drive control chip.
Control signal is by the signal input part input of redundancy fault-tolerant drive control chip, and by described other drive controlling chips of redundancy fault-tolerant drive control chip control, it is luminous directly to drive described LED luminescence unit by other drive controlling chips again.
Described redundancy fault-tolerant drive control chip is 180 degree bidirectional redundancy fault-tolerance drive control chips, this chip has two pairs of parallel signal input parts and signal output part, the signal input part of the every pair of signal input part and signal output part is connected with signal output part by the single line road, this chip provides two signal controlling circuits that walk abreast and have functions of redundancy and fault tolerance by two circuits of opposite transmission direction, when wherein any bars control circuit broke down, control system all can self check also switch to another parallel signal controlling circuit operation in real time.
Described redundancy fault-tolerant drive control chip is 90 degree four-way redundancy fault-tolerant drive control chips, this chip has four pairs of parallel signal input parts and signal output part, the signal input part of the every pair of signal input part and signal output part is connected with signal output part by the single line road, this chip provides four signal controlling circuits that walk abreast and have functions of redundancy and fault tolerance by four circuits of orthogonal transmission direction, when wherein any bars control circuit broke down, control system all can self check also switch to other three parallel signal control circuits operations in real time.
Described redundancy fault-tolerant drive control chip has the deixis of reporting an error, when making a mistake when redundancy fault-tolerant drive control chip itself or by other drive controlling chips of its control, and redundancy fault-tolerant drive control chip output error index signal.
Described pcb board is the individual layer pcb board, and described LED luminescence unit is separately positioned on two different individual layer pcb boards with redundancy fault-tolerant drive control chip.The two ends, rear surface that are provided with the pcb board of LED light-emitting diode are welded with row's pin and mother row, and the female row's pin with the pcb board surface that is provided with redundancy fault-tolerant drive control chip of this row's pin and row connects with row's female plug.
Described pcb board is double-deck pcb board, and described LED luminescence unit is arranged on the front surface of pcb board, and described redundancy fault-tolerant drive control chip is arranged on the rear surface of this pcb board, and this redundancy fault-tolerant drive control chip passes pcb board and is electrically connected with the LED luminescence unit.
Scheme two: the lamp of being made up of above-mentioned LED pixel lamp with functions of redundancy and fault tolerance shields, the end of the circuit of described LED pixel lamp is respectively arranged with male seat and female seat, several described LED pixel lamps are pegged graft mutually by described male seat and female seat, form the LED pixel lamp screen with functions of redundancy and fault tolerance with this.
Described have the LED pixel lamp of functions of redundancy and fault tolerance by screw being set or directly being welded on the fixture.
Described fixture is fixed frame, body of wall, plank or other installation media.。
As can be seen from the above technical solutions, the present invention has following beneficial effect:
1, adopt redundancy fault-tolerant drive control chip connected in series, chip has at least two signal controlling circuits that walk abreast and have functions of redundancy and fault tolerance, control signal has a heavy above Redundancy Design, when wherein a bars control circuit breaks down, control signal can also not influence the operate as normal of LED light-emitting diode and other chips by other parallel signal controlling circuit transmission.
2, redundancy fault-tolerant drive control chip has the deixis of reporting an error, when making a mistake when redundancy fault-tolerant drive control chip itself or by other drive controlling chips of its control, redundancy fault-tolerant drive control chip can upload to control system with packet by circuit, and control system can be carried out errors present according to the information that chip is passed back and be judged; Also can show mistake, make maintenance very convenient by external LED light.
3, pcb board adopts doubling plate or two individual layer PCB vertically is connected with row is female by row's pin, when keeping the lamp body surface aesthetic, has reduced laterally taking up room.
Description of drawings
Fig. 1 is the structural representation of the double-deck pcb board of LED pixel lamp among the present invention;
Fig. 2 is LED pixel lamp two individual layer pcb board connection diagrams among the present invention;
Fig. 3 is LED pixel lamp pcb board circuit diagram among the present invention;
Fig. 4 is another circuit diagram of LED pixel lamp pcb board among the present invention;
Fig. 5 is 90 degree four-way redundancy fault-tolerant drive control chip johning knot compositions among the present invention;
Fig. 6 is LED pixel lamp screen structural representation among the present invention;
Fig. 7 shields another structural representation for LED pixel lamp among the present invention.
1, lamp housing 2, LED luminescence unit 3, pcb board 4, redundancy fault-tolerant drive control chip 5, circuit 6, male seat 7, female seat 8, positive source circuit 91,92,93,94, wire size control circuit 10, power cathode circuit 11, fixture 12, LED pixel lamp 13, row's pin and row female 14, error back circuit 15, drive controlling chip 16, four signal controlling circuits 101,103,105,107, signal input part 102,104,106,108, signal output part
Embodiment
Referring to Fig. 1, LED pixel lamp 12 is made up of lamp body and lamp housing 1, be provided with the LED luminescence unit in the lamp body, LED luminescence unit 2 comprises some LED light-emitting diodes, pcb board 3 is double-deck pcb board, pcb board 3 is provided with the power positive cathode circuit, LED luminescence unit 2 is arranged on the front surface of pcb board 3, be arranged on the rear surface of pcb board 3 according at least one redundancy fault-tolerant drive control chip 4 of LED light-emitting diode quantity of control, redundancy fault-tolerant drive control chip 4 passes pcb board 3 and is electrically connected with LED luminescence unit 2, and redundancy fault-tolerant drive control chip 4 comes driving LED luminescence unit 2 luminous by control signal circuit input control signal; Circuit 5 ends of LED pixel lamp 12 are respectively arranged with male seat 6 and female seat 7, and male seat 6 is connected with the female seat of adjacent LED pixel lamp, and female seat 7 is connected with the male seat of adjacent LED pixel lamp.
See Fig. 2, pcb board 3 is the individual layer pcb board, is provided with the power positive cathode circuit on the two individual layer pcb boards, and pcb board 31 front surfaces are provided with LED luminescence unit 2, and two ends, pcb board 31 rear surface are welded with row's pin and row female 13; Pcb board 32 front surfaces are provided with redundancy fault-tolerant drive control chip 4 and row pin and the row female 13 corresponding with pcb board 31 rear surfaces, row's pin and row female 13 all are electrically connected with two individual layer pcb boards, two pcb boards are pegged graft by corresponding row's pin and row female 13, provide voltage to pcb board 31 and pcb board 32 by the power positive cathode circuit, signal controlling circuit input control signal is in redundancy fault-tolerant drive control chip 4, and is luminous with the LED luminescence unit 2 that row female 13 controls pcb board 31 surfaces by row's pin of the setting on the pcb board by redundancy fault-tolerant drive control chip 4 again.
See Fig. 3, pcb board in the LED pixel lamp 12 is provided with redundancy fault-tolerant drive control chip 4, redundancy fault-tolerant drive control chip 4 is 180 degree bidirectional redundancy fault-tolerance drive control chips, this chip has individual parallel signal input part and signal output part 101 and 104,103 and 102, the signal input part of the every pair of signal input part and signal output part is connected with signal output part by the single line road, this chip provides two parallel and have redundancy fault-tolerant ability transmission lines 91 by two circuits of opposite transmission direction, 92, because two circuit transmission directions are opposite, signal input part of two bars control circuits between adjacent redundancy fault-tolerant drive control chip 4 and signal output part 101 and 102, or 103 and 104 when disconnecting simultaneously, but redundancy fault-tolerant drive control chip 4 operate as normal; Redundancy fault-tolerant drive control chip 4 directly comes drive controlling LED luminescence unit 2 luminous by signal input part 101, the 103 input synchronous control signals of signal controlling circuit 91 and 92 by redundancy fault-tolerant drive control chip 4; LED luminescence unit 2 is made up of red light emitting diodes R, green LED G, blue LED B, connects with R1, R2, R3 respectively; Positive source circuit 8 and negative pole circuit 10 provide voltage to circuit.When wherein any bars control circuit broke down, control system all can self check also switch to another parallel signal control circuit operation in real time; Redundancy fault-tolerant control chip 4 has the deixis of reporting an error, when redundancy fault-tolerant drive control chip 4 itself makes a mistake, redundancy fault-tolerant drive control chip 4 uploads to control system by circuit 14 with the rub-out signal packet, control system can judge that redundancy fault-tolerant control chip 4 also can show mistake by an external LED light according to the errors present that the information that chip 4 is passed back is carried out; Redundancy fault-tolerant drive control chip 4 is by redundancy fault-tolerant drive control chip 4 serially concatenateds on signal controlling circuit and the interior pcb board of adjacent LED pixel lamp.
See Fig. 4, pcb board in the LED pixel lamp 12 is provided with a redundancy fault-tolerant drive control chip 4, redundancy fault-tolerant drive control chip 4 is 180 degree bidirectional redundancy fault-tolerance drive control chips, redundancy fault-tolerant drive control chip 4 walks abreast by two and has the signal controlling circuit 91 of functions of redundancy and fault tolerance and 92 signal input part 101,103 input synchronous control signals, control other drive controlling chips 15 by redundancy fault-tolerant drive control chip 4, luminous by drive controlling chip 15 direct driving LED luminescence units 2 again; LED luminescence unit 2 is made up of red light emitting diodes R, green LED G, blue LED B, connects with R1, R2, R3 respectively; Positive source circuit 8 and negative pole circuit 10 provide voltage to circuit.Other drive controlling chips 15 are by four signal controlling circuit 16 cascades; When the breaking down of the signal input part 101,103 of any transmission lines wherein or signal output part 102,104, control system all can self check and is switched to the signal input part or the signal output part operation of another parallel redundancy circuit in real time; Redundancy fault-tolerant control chip 4 has the deixis of reporting an error, when making a mistake when redundancy fault-tolerant drive control chip 4 itself or by other chips of its control, redundancy fault-tolerant drive control chip 4 uploads to control system by circuit 14 with the rub-out signal packet, control system can judge that redundancy fault-tolerant control chip 4 also can show mistake by an external LED light according to the errors present that the information that chip 4 is passed back is carried out; Redundancy fault-tolerant drive control chip 4 is by adjacent redundancy fault-tolerant drive control chip serially concatenated on signal controlling circuit and the pcb board.
See Fig. 5, redundancy fault-tolerant control chip 7 is that 90 degree four-way redundancy fault-tolerants drive the drive controlling chip, this chip has four pairs of parallel signal input parts and signal output part 101 and 106,103 and 108,105 and 102,107 and 104, the signal input part of the every pair of signal input part and signal output part is connected with signal output part by the single line road, this chip provides four signal controlling circuits 91 that walk abreast and have functions of redundancy and fault tolerance by four circuits of orthogonal transmission direction, 92,93 and 94, vertical in four circuit transmission directions, signal input part of two bars control circuits between adjacent redundancy fault-tolerant drive control chip 7 and signal output part 101 and 102, or 103 and 104, or 105 and 106, or 107 and 108 is wherein arbitrary can operate as normal the time, but redundancy fault-tolerant drive control chip chip 7 operate as normal; When signal transmission line 91,92,93 and 94 wherein any line failures, control system all can self check and be switched to other three parallel signal control circuits operations in real time.
See Fig. 6, be provided with male seat and female seat in above-mentioned end with power positive cathode circuit, signal controlling circuit and error back circuit of the LED pixel lamp of functions of redundancy and fault tolerance, several LED pixel lamps with functions of redundancy and fault tolerance are pegged graft mutually by male seat and female seat, form LED pixel lamp screen with this with functions of redundancy and fault tolerance, the lamp screen is the rectangle LED pixel lamp screen of regular shape, the LED pixel lamp is by screw or directly be welded on the fixture 11, and fixture 11 is that fixed frame, body of wall, plank or other are installed medium.
See Fig. 7, be provided with male seat and female seat in above-mentioned end with power positive cathode circuit, signal controlling circuit and error back circuit of the LED pixel lamp of functions of redundancy and fault tolerance, several LED pixel lamps with functions of redundancy and fault tolerance are pegged graft mutually by male seat and female seat, form LED pixel lamp screen with this with functions of redundancy and fault tolerance, LED pixel lamp screen can be an erose LED pixel lamp screen such as advertisement, literal according to the essence needs, as: literal LED; The LED pixel lamp is by screw or directly be welded on the fixture 11, and fixture 11 is that fixed frame, body of wall, plank or other are installed medium.
The above execution mode only is used for illustrating the present invention, but is not limited thereto.Under the condition that does not depart from the present invention's design, affiliated technical field personnel can make suitable change adjustment, and these change adjustment also should be included within the claim protection range of the present invention.
Claims (12)
1, have the LED pixel lamp of functions of redundancy and fault tolerance, be made up of lamp housing and lamp body, be provided with pcb board in the lamp body, pcb board is provided with:
The LED luminescence unit, this LED luminescence unit comprises at least one light-emitting diode;
The drive controlling chip, control LED lumination of light emitting diode;
With the direct-connected positive source circuit of LED luminescence unit and with the direct-connected power cathode circuit of drive controlling chip;
It is characterized in that:
At least include a redundancy fault-tolerant drive control chip in the described drive controlling chip, this chip has at least two pairs of parallel signal input parts and signal output part, the signal input part of the every pair of signal input part and signal output part is connected with signal output part by the single line road, between the redundancy fault-tolerant drive control chip by at least two circuits provided at least two parallel and have functions of redundancy and fault tolerance the signal controlling circuit interconnect.
2, the LED pixel lamp with functions of redundancy and fault tolerance according to claim 1, it is characterized in that: control signal is by the signal input part input of redundancy fault-tolerant drive control chip, and is luminous by the described LED luminescence unit of the direct drive controlling of described redundancy fault-tolerant drive control chip.
3, the LED pixel lamp with functions of redundancy and fault tolerance according to claim 1, it is characterized in that: control signal is by the signal input part input of redundancy fault-tolerant drive control chip, by described other drive controlling chips of redundancy fault-tolerant drive control chip control, it is luminous directly to drive described LED luminescence unit by other drive controlling chips again.
4, LED pixel lamp with functions of redundancy and fault tolerance according to claim 1, it is characterized in that: described redundancy fault-tolerant drive control chip is 180 degree bidirectional redundancy fault-tolerance drive control chips, this chip has two pairs of parallel signal input parts and signal output part, the signal input part of the every pair of signal input part and signal output part is connected with signal output part by the single line road, this chip provides two signal controlling circuits that walk abreast and have functions of redundancy and fault tolerance by two circuits of opposite transmission direction, when any bars control circuit fault wherein, control system all can self check and be switched to another parallel signal controlling circuit operation in real time.
5, LED pixel lamp with functions of redundancy and fault tolerance according to claim 1, it is characterized in that: described redundancy fault-tolerant drive control chip is 90 degree four-way redundancy fault-tolerant drive control chips, this chip has four pairs of parallel signal input parts and signal output part, the signal input part of the every pair of signal input part and signal output part is connected with signal output part by the single line road, this chip provides four signal controlling circuits that walk abreast and have functions of redundancy and fault tolerance by four circuits of orthogonal transmission direction, when wherein any bars control circuit broke down, control system all can self check also switch to other three parallel signal control circuits operations in real time.
6, the LED pixel lamp with functions of redundancy and fault tolerance according to claim 1, it is characterized in that: described redundancy fault-tolerant drive control chip has the deixis of reporting an error, when making a mistake when redundancy fault-tolerant drive control chip itself or by other drive controlling chips of its control, redundancy fault-tolerant drive control chip output error index signal.
7, the LED pixel lamp with functions of redundancy and fault tolerance according to claim 1, it is characterized in that: described pcb board is the individual layer pcb board, described LED luminescence unit is separately positioned on two different individual layer pcb boards with redundancy fault-tolerant drive control chip.
8, according to the described LED pixel lamp of claim 7 with functions of redundancy and fault tolerance, it is characterized in that: the two ends, rear surface that are provided with the pcb board of LED light-emitting diode are welded with row's pin and mother row, and the female row's pin with the pcb board surface that is provided with redundancy fault-tolerant drive control chip of this row's pin and row connects with row's female plug.
9, the LED pixel lamp with functions of redundancy and fault tolerance according to claim 1, it is characterized in that: described pcb board is double-deck pcb board, described LED luminescence unit is put the front surface at pcb board, described redundancy fault-tolerant drive control chip is arranged on the rear surface of this pcb board, and this redundancy fault-tolerant drive control chip passes pcb board and is electrically connected with the LED luminescence unit.
10, a kind of lamp screen of forming by the described LED pixel lamp of claim 1 with functions of redundancy and fault tolerance, it is characterized in that: the end of the circuit of described LED pixel lamp is respectively arranged with male seat and female seat, several described LED pixel lamps are pegged graft mutually by described male seat and female seat, form the LED pixel lamp screen with functions of redundancy and fault tolerance with this.
11, lamp screen according to claim 10, it is characterized in that: described have the LED pixel lamp of functions of redundancy and fault tolerance by screw being set or directly being welded on the fixture.
12, the pixel lamp screen of stating according to claim 11 is characterized in that: described fixture is fixed frame, body of wall, plank or other installation media.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101060184A CN101578004A (en) | 2008-05-07 | 2008-05-07 | LED pixel lamp with redundancy fault-tolerant function and lamp screen consisting of same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101060184A CN101578004A (en) | 2008-05-07 | 2008-05-07 | LED pixel lamp with redundancy fault-tolerant function and lamp screen consisting of same |
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| Publication Number | Publication Date |
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| CN101578004A true CN101578004A (en) | 2009-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101060184A Pending CN101578004A (en) | 2008-05-07 | 2008-05-07 | LED pixel lamp with redundancy fault-tolerant function and lamp screen consisting of same |
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Cited By (3)
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| CN102737555A (en) * | 2012-07-19 | 2012-10-17 | 广东威创视讯科技股份有限公司 | Light emitting diode (LED) display screen and manufacturing method thereof |
| CN102930789A (en) * | 2012-11-28 | 2013-02-13 | 吴小刚 | LED (light-emitting diode) display screen with bending and folding functions |
| CN105282918A (en) * | 2014-06-26 | 2016-01-27 | 松下知识产权经营株式会社 | Power supply device and lighting device using the same |
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| CN1731907A (en) * | 2004-08-06 | 2006-02-08 | 北京中庆微数字设备开发有限公司 | Flexible lamp strip embedded with serial drive control chip |
| CN2859718Y (en) * | 2005-12-28 | 2007-01-17 | 陈晓锋 | Double-faced pixel lamp for advertisement and information display |
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| US6489733B1 (en) * | 1998-04-21 | 2002-12-03 | Siemens Aktiengesellschaft | Multi-purpose lighting system for airports, roads or the like |
| CN1731907A (en) * | 2004-08-06 | 2006-02-08 | 北京中庆微数字设备开发有限公司 | Flexible lamp strip embedded with serial drive control chip |
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Cited By (3)
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| CN102737555A (en) * | 2012-07-19 | 2012-10-17 | 广东威创视讯科技股份有限公司 | Light emitting diode (LED) display screen and manufacturing method thereof |
| CN102930789A (en) * | 2012-11-28 | 2013-02-13 | 吴小刚 | LED (light-emitting diode) display screen with bending and folding functions |
| CN105282918A (en) * | 2014-06-26 | 2016-01-27 | 松下知识产权经营株式会社 | Power supply device and lighting device using the same |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20091111 |