CN101625089A - LED cord lamp with redundant fault-tolerant function - Google Patents
LED cord lamp with redundant fault-tolerant function Download PDFInfo
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- CN101625089A CN101625089A CN200810116365A CN200810116365A CN101625089A CN 101625089 A CN101625089 A CN 101625089A CN 200810116365 A CN200810116365 A CN 200810116365A CN 200810116365 A CN200810116365 A CN 200810116365A CN 101625089 A CN101625089 A CN 101625089A
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Abstract
The invention discloses an LED cord lamp with a redundant fault-tolerant function, which comprises an inner-layer base, a plurality of luminescence units arranged on the inner-layer base and a light transmission coating layer. Each luminescence unit comprises a PCB as well as an LED and a driving control chip which are arranged on the PCB; the driving control chip inputs a control signal through a signal control circuit to drive and control the LED to emit the light; and the driving control chip at least contains a redundant fault-tolerant driving control chip, the chip is provided with at least two pairs of parallel signal input ends and signal output ends, the signal input end of each pair of signal input end and signal output end is connected with the signal output end through the signal control circuit, and the redundant fault-tolerant driving control chip is provided with at least two parallel control signal transmission channels with the redundant fault-tolerant function provided by at least two signal control circuits.
Description
Technical field
The present invention relates to a kind of lighting device, particularly relate to a kind of LED cord lamp.
Background technology
The high light efficiency of LED, the advantage of low power consuming are widely used at various decorations and advertising sector.Bent LED Decorative lamp belt is a kind of a plurality of LED to be arranged on ornament lamp in the banded supporting of soft plastic.This ornament lamp is little, bent owing to physical dimension, light easy installation, so it can be widely used in various contour of building, and shop front, the decoration places of signboard pattern or the like.Prior art or to control LED by outer control mode luminous, the size by changing electric current is to the unified control of LED all in the ornament lamp, and the variation of the ornament lamp that this control method makes is very single, and decorative effect is poor; Also can control separately each LED in the prior art by built-in driving control chip, it is various that ornament lamp is changed, good decorating effect, and the driving control chip of lamp decoration generally all is that one of employing or transmission channel of four signal controlling circuits compositions are controlled in the prior art, when this transmission channel breaks down, the transmission signal interruption, it is luminous to have a strong impact on LED, makes LED lamp decoration cisco unity malfunction; And the function that reports an error of prior art chip, generally all can only report an error by indicator lamp, this mode increases the difficulty that detects maintenance as seeming directly perceived inadequately in the heavy construction application.
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 provide especially: a kind of LED cord lamp with functions of redundancy and fault tolerance.
Technical scheme of the present invention is: have the LED cord lamp of functions of redundancy and fault tolerance, comprise an internal layer pedestal, be arranged on a plurality of luminescence units and a printing opacity clad on the internal layer pedestal; Described internal layer pedestal contains a positive source circuit and a power cathode circuit, and is arranged in the internal layer pedestal along axis direction; Described luminescence unit comprises pcb board and is arranged on the LED light emitting diode on the pcb board and drives control chip; Described driving control chip drives the described LED lumination of light emitting diode of control by signal controlling circuit input control signal; At least include a redundancy fault-tolerant drive control chip in the described driving control 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 a signal controlling circuit, and at least two of possessing that at least two signal controlling circuits are provided of described redundancy fault-tolerant drive control chip are parallel and have a control signal transmission channel of functions of redundancy and fault tolerance.
Described control signal directly drives the described LED lumination of light emitting diode of control by the signal input part input of redundancy fault-tolerant drive control chip by described redundancy fault-tolerant drive control chip.
Described control signal drives control chip by the signal input part input of redundancy fault-tolerant drive control chip by described other of redundancy fault-tolerant drive control chip control, drives control chip by other again and directly drives described LED lumination of light emitting diode.
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 a signal controlling circuit, this chip possess two signal controlling circuits by opposite transmission direction provide two parallel and have a control signal transmission channel of functions of redundancy and fault tolerance, when wherein any transmission channel broke down, control system all can self check also switch to another parallel control signal transmission channel 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 a signal controlling circuit, this chip possess four signal controlling circuits by orthogonal transmission direction provide four parallel and have a control signal transmission channel of functions of redundancy and fault tolerance, when wherein any transmission channel broke down, control system all can self check also switch to arbitrary operation in other three the parallel control signal transmission channels in real time.
Described redundancy fault-tolerant drive control chip has the deixis of reporting an error, when driving control chips and make a mistake when redundancy fault-tolerant drive control chip itself or by other of its control, and redundancy fault-tolerant drive control chip output error index signal.
Described internal layer pedestal is provided with a cannelure along axis direction, and described luminescence unit is placed in the cannelure, be connected with a described power cathode line electricity with a described positive source circuit, and connected in series by described at least two signal controlling circuits.
Described LED light emitting diode is the adopting surface mounted LED light emitting diode.
The plane that the luminous flat of described adopting surface mounted LED light emitting diode and a described positive source circuit and a described power cathode circuit are constituted is perpendicular.
Described cannelure cross section is a convex shape, described adopting surface mounted LED light emitting diode is arranged on the single circuit board again by at least two signal controlling circuit composition lamp connected in series strings, wherein the adopting surface mounted LED light emitting diode is placed in the upper space in the convex shape groove, and single circuit board is placed in the lower space in the convex shape groove.
As can be seen from the above technical solutions, the present invention has following beneficial effect:
The employing redundancy fault-tolerant drive control chip is connected in series, chip possess at least two parallel and have a control signal transmission channel of functions of redundancy and fault tolerance, control signal has a heavy above Redundancy Design, when connecting that wherein the signal controlling circuit of a control signal transmission channel breaks down, control signal can also not influence the operate as normal of LED light emitting diode and other chips by other parallel control signal transmission channel transmission.
Description of drawings
Fig. 1 is a schematic appearance of the present invention;
But Fig. 2 is for being the cutting schematic diagram of cord lamp lamp body of the present invention;
Fig. 3 is an adopting surface mounted LED light-emitting diodes pipe mounting structure exploded view of the present invention;
Fig. 4 turns over enlarged drawing after the turnback for luminescence unit among Fig. 3;
Fig. 5 is a pcb board circuit diagram of the present invention;
Fig. 6 is johning knot composition between the 90 degree four-way redundancy fault-tolerant drive control chips among the present invention;
Fig. 7 is another pcb board circuit diagram of the present invention.
The specific embodiment
Fig. 1 is a finished product assembly drawing of the present invention, comprises power connection 1, power supply changeover device 2, the female joint that is connected with the lamp body 6a that is made up of plurality of LED light-emitting 7 and male joint 4, positive source circuit 5a, power cathode circuit 5b, at least two signal controlling circuit 5c, is used for expanding the taper contact pin 8 and the plastic bushing 9a of the hangnail of lamp body 6a.Positive source circuit 5a, power cathode circuit 5b and signal controlling circuit 5c be the circuit for being made by copper cable all, a wherein said positive source circuit 5a and a described power cathode circuit 5b are made by the multiply copper tree lace that contains more than 2 or 2, and described at least two signal controlling circuit 5c are made by the sub-thread copper stranded conductor that contains 1 respectively.Comprise by pcb board in the LED luminescence unit 7 and be arranged on the LED light emitting diode on the pcb board and drive control chip, drive in the control chip and include a redundancy fault-tolerant drive control chip at least.A LED luminescence unit and a positive source circuit 5a and a power cathode circuit 5b are electrically connected, and by in the driving control chip of signal controlling circuit 5c input control signal in the luminescence unit 7, by the LED lumination of light emitting diode in the chip drives control luminescence unit 7.Required DC voltage when power supply changeover device 2 is used for converting civil power to LED luminescence unit 7 work, the contact pin of lamp body 6a by the two ends of male joint 4 thrusts respectively in a positive source circuit 5a after the power supply changeover device 2 and a power cathode circuit 5b and is electrically connected, and connecing the place of meeting interpolation fluid sealant.Put female joint 3 again and make water-proofing treatment.Signal controlling circuit 5c is connected with external control system, and by the control system input control signal.In order to increase the length of lamp body part; power positive cathode line and signal control line that the contact pin at the two ends of the taper contact pin 8 of available hangnail thrusts lamp body 6a and lamp body 6b respectively are electrically connected; add that in the junction plastic bushing 9a protects electric contact good, just can make the lamp body of user's Len req with the method.Wherein plastic bushing 9b is be connected with the next lamp body part of the plastic bushing 9a that will use of lamp body 6b.
With reference to Fig. 2, LED cord lamp with functions of redundancy and fault tolerance, because plurality of luminescence units 7a, 7b, 7c, 7d etc. are parallel between two power line 5a, the 5b by at least two signal controlling circuit 5c series connection again, signal controlling circuit 5c and two power line 5a, 5b be the circuit for being made by copper stranded conductor all, therefore, can use scissors 15, this LED cord lamp of position cutting between per two unit is supplied with the use occasion of different length.Also can refute mutually between the two LED cord lamps and connect, or the LED cord lamp is connected with power supply by the taper contact pin by the taper contact pin.
With reference to Fig. 3 and Fig. 4, internal layer pedestal 11 in the LED cord lamp contains a positive source circuit 5a and a power cathode circuit 5b, having a cannelure 16 that parallels with power line 5a and 5b along internal layer pedestal 11 axis directions, the cross section of this cannelure 16 is a convex shape.Each luminescence unit 7 comprises to be installed LED light emitting diode 13 and drives control chip 12 on pcb board 14, the pcb board 14.LED light emitting diode 13 is the adopting surface mounted LED light emitting diode, and the LED light emitting diode is the surface-mounted LED light emitting diode with long molecular link polymer encapsulated; It also can be the wafer of the emitting led light emitting diode of un-encapsulated; Or the packing colloid of LED light emitting diode is arranged to the cubical LED light emitting diode of flat.Drive in the control chip 12 and comprise at least one redundancy fault-tolerant drive control 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 a signal controlling circuit, and at least two of possessing that at least two signal controlling circuits are provided of described redundancy fault-tolerant drive control chip are parallel and have a control signal transmission channel of functions of redundancy and fault tolerance.Described plurality of luminescence units is by at least two signal controlling circuit 5c composition lamp connected in series strings, and the light-emitting area of the LED light emitting diode 13 in the luminescence unit 7 and the plane that described two power positive cathode circuits are constituted are perpendicular, wherein the adopting surface mounted LED light emitting diode is placed in the upper space in the convex shape groove, single circuit board is placed in the lower space in the convex shape groove, in the plane that the light-emitting area with the LED light emitting diode parallels, just in the parallel plane of the light-emitting area of LED cord lamp lamp body, moulding fully freely.All contain a positive source circuit, a power cathode circuit and at least two signal controlling circuits in the described single pcb board, a described positive source circuit, power cathode circuit respectively with a positive source circuit 5a in the internal layer pedestal, the corresponding electrical connection of power cathode circuit 5b, described at least two signal controlling circuit 5c interconnect plurality of luminescence units and form the lamp string.In the LED cord lamp that connects and place, the parallel electrical connection between the luminescence unit, the redundancy fault-tolerant drive control chip in the luminescence unit in redundancy fault-tolerant drive control chip and the adjacent luminescence unit is connected in series.On described internal layer pedestal 11, process at last, wrap up the clad 10 of one deck printing opacity fully through extrusion.
With reference to Fig. 5, luminescence unit comprises LED light emitting diode 13 and the redundancy fault-tolerant drive control chip 12a that is arranged on the pcb board 14, LED light emitting diode 13 comprises red LED light emitting diode R, green LED light emitting diode G and blue led light emitting diode B, connects with resistance R 1, R2, R3 respectively; Pcb board 14 is provided with a positive source circuit 5a, directly is connected with LED light emitting diode 13; A power cathode circuit 5b directly is connected with redundancy fault-tolerant drive control chip 12a; Redundancy fault-tolerant chip 12a is 180 degree bidirectional redundancy fault-tolerance drive control chips, this chip has two pairs of parallel signal input parts 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 a signal controlling circuit, this chip possess two signal controlling circuits 501,502 by opposite transmission direction provide two parallel and have a control signal transmission channel of functions of redundancy and fault tolerance; Because the transmission direction of two signal controlling circuits is opposite, signal input part of the same end of two bars control circuits between adjacent redundancy fault-tolerant drive control chip 12a and signal output part 101 and 102, or 103 and 104 when disconnecting simultaneously, but redundancy fault-tolerant drive control chip 12a operate as normal.By signal input part 101, the 103 input synchronous control signals of signal controlling circuit 501 and 502, it is luminous directly to drive control LED light emitting diode 13 by redundancy fault-tolerant drive control chip 12a.When the signal controlling circuit that connects any control signal transmission channel among the redundancy fault-tolerant drive control chip 12a broke down, the self check of the equal energy of control system also switched to another parallel control signal transmission channel operation of chip in real time; Redundancy fault-tolerant control chip 12a has the deixis of reporting an error, when redundancy fault-tolerant drive control chip 12a itself makes a mistake, redundancy fault-tolerant drive control chip 12a uploads to control system by circuit 17 with the rub-out signal packet, control system can be judged according to the information of chip 12a passback, directly show the particular location that breaks down, the mode that reports an error is directly perceived, makes the detection maintenance very convenient; Redundancy fault-tolerant control chip 12a also can show mistake by an external LED light.In order to make cord lamp integral body have flexibility, can be arbitrarily crooked, can be with plurality of luminescence units by a positive source circuit, a power cathode circuit and two signal controlling circuits are connected in series, and above-mentioned circuit all is made into flexible cord; Also can adopt the flexible PCB plate.
With reference to Fig. 6, redundancy fault-tolerant control chip 12a 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 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 a signal controlling circuit, this chip possesses four signal controlling circuits 501 by orthogonal transmission direction, 502,503 and 504 provide four parallel and have a control signal transmission channel of functions of redundancy and fault tolerance, because the transmission direction of four signal controlling circuits is vertical, as long as signal input part of the same end of two bars control circuits between the adjacent redundancy fault-tolerant drive control chip 12a 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 drives control core 12a operate as normal; When the signal controlling circuit that connects when any transmission channel of chip 12a broke down, control system all can self check and is switched to arbitrary operation in other three the parallel control signal transmission channels of chip in real time.
With reference to Fig. 7, pcb board 14 is provided with a redundancy fault-tolerant drive control chip 12a and some other drive control chip 12b, redundancy fault-tolerant drive control chip 12a is 180 degree bidirectional redundancy fault-tolerance drive control chips, this chip not only can self mutual cascade, can also control external other and drive control chips and drive the lamp point; Redundancy fault-tolerant drive control chip 12a walks abreast by two and has the signal controlling circuit 501 of functions of redundancy and fault tolerance and 502 signal input part 101,103 input synchronous control signals, control other by redundancy fault-tolerant drive control chip 12a and drive control chip 12b, it is luminous to drive the direct driving LED light emitting diode of control chip 12b 13 by other again, according to actual needs, redundancy fault-tolerant drive control chip 12a also can be 90 degree four-way redundancy fault-tolerant drive control chips.Other drive transmission channel 18 transmission of control signals that control chip 12b forms by four signal controlling circuits.Redundancy fault-tolerant control chip 12a has the deixis of reporting an error, when making a mistake as redundancy fault-tolerant drive control chip 12a itself or by other chips 12b of its control, redundancy fault-tolerant drive control chip 12a uploads to control system by circuit 17 with the rub-out signal packet, control system can be judged according to the information that chip 12a passes back, and show concrete errors present; Redundancy fault-tolerant control chip 12a also can show mistake by an external LED light; Redundancy fault-tolerant drive control chip 12a is by the redundancy fault-tolerant drive control chip serially concatenated at least two signal controlling circuits and the adjacent pcb board.
The above embodiment 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 domain of the present invention.
Claims (10)
1, the LED cord lamp that has functions of redundancy and fault tolerance comprises an internal layer pedestal, is arranged on a plurality of luminescence units and a printing opacity clad on the internal layer pedestal; Described internal layer pedestal contains a positive source circuit and a power cathode circuit, and is arranged in the internal layer pedestal along axis direction; Described luminescence unit comprises pcb board and is arranged on the LED light emitting diode on the pcb board and drives control chip; Described driving control chip drives the described LED lumination of light emitting diode of control by signal controlling circuit input control signal;
It is characterized in that: include a redundancy fault-tolerant drive control chip in the described driving control chip at least, 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 a signal controlling circuit, and at least two of possessing that at least two signal controlling circuits are provided of described redundancy fault-tolerant drive control chip are parallel and have a control signal transmission channel of functions of redundancy and fault tolerance.
2, the LED cord lamp with functions of redundancy and fault tolerance according to claim 1, it is characterized in that: described control signal directly drives the described LED lumination of light emitting diode of control by the signal input part input of redundancy fault-tolerant drive control chip by described redundancy fault-tolerant drive control chip.
3, the LED cord lamp with functions of redundancy and fault tolerance according to claim 1, it is characterized in that: described control signal is by the signal input part input of redundancy fault-tolerant drive control chip, drive control chip by described other of redundancy fault-tolerant drive control chip control, drive control chip by other again and directly drive described LED lumination of light emitting diode.
4, according to claim 1 or 2 or 3 described LED cord lamps with functions of redundancy and fault tolerance, 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 a signal controlling circuit, this chip possess two signal controlling circuits by opposite transmission direction provide two parallel and have a control signal transmission channel of functions of redundancy and fault tolerance, when wherein any transmission channel broke down, control system all can self check also switch to another parallel control signal transmission channel operation in real time.
5, according to claim 1 or 2 or 3 described LED cord lamps with functions of redundancy and fault tolerance, 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 a signal controlling circuit, this chip possess four signal controlling circuits by orthogonal transmission direction provide four parallel and have a control signal transmission channel of functions of redundancy and fault tolerance, when wherein any transmission channel broke down, control system all can self check also switch to arbitrary operation in other three the parallel control signal transmission channels in real time.
6, according to claim 1 or 2 or 3 described LED cord lamps with functions of redundancy and fault tolerance, it is characterized in that: described redundancy fault-tolerant drive control chip has the deixis of reporting an error, when driving control chips and make a mistake when redundancy fault-tolerant drive control chip itself or by other of its control, redundancy fault-tolerant drive control chip output error index signal.
7, the LED cord lamp with functions of redundancy and fault tolerance according to claim 1, it is characterized in that: described internal layer pedestal is provided with a cannelure along axis direction, described luminescence unit is placed in the cannelure, be connected with a described power cathode line electricity with a described positive source circuit, and connected in series by described at least two signal controlling circuits.
8, the LED cord lamp with functions of redundancy and fault tolerance according to claim 1, it is characterized in that: described LED light emitting diode is the adopting surface mounted LED light emitting diode.
9, according to the described LED cord lamp with functions of redundancy and fault tolerance of claim 8, it is characterized in that: the plane that the luminous flat of described adopting surface mounted LED light emitting diode and a described positive source circuit and a described power cathode circuit are constituted is perpendicular.
10, the LED cord lamp with functions of redundancy and fault tolerance according to claim 7, it is characterized in that: described cannelure cross section is a convex shape, described adopting surface mounted LED light emitting diode is arranged on the single circuit board again by at least two signal controlling circuit composition lamp connected in series strings, wherein the adopting surface mounted LED light emitting diode is placed in the upper space in the convex shape groove, and single circuit board is placed in the lower space in the convex shape groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810116365A CN101625089A (en) | 2008-07-09 | 2008-07-09 | LED cord lamp with redundant fault-tolerant function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810116365A CN101625089A (en) | 2008-07-09 | 2008-07-09 | LED cord lamp with redundant fault-tolerant function |
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| CN101625089A true CN101625089A (en) | 2010-01-13 |
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| CN200810116365A Pending CN101625089A (en) | 2008-07-09 | 2008-07-09 | LED cord lamp with redundant fault-tolerant function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032678A (en) * | 2020-09-02 | 2020-12-04 | 上海应用技术大学 | LED brightening lamp strip voltage distribution lamp stand |
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2008
- 2008-07-09 CN CN200810116365A patent/CN101625089A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032678A (en) * | 2020-09-02 | 2020-12-04 | 上海应用技术大学 | LED brightening lamp strip voltage distribution lamp stand |
| CN112032678B (en) * | 2020-09-02 | 2022-07-01 | 上海应用技术大学 | LED brightening lamp strip voltage distribution lamp stand |
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Application publication date: 20100113 |