CN101392877B - LED lamp strip - Google Patents
LED lamp strip Download PDFInfo
- Publication number
- CN101392877B CN101392877B CN2008102227264A CN200810222726A CN101392877B CN 101392877 B CN101392877 B CN 101392877B CN 2008102227264 A CN2008102227264 A CN 2008102227264A CN 200810222726 A CN200810222726 A CN 200810222726A CN 101392877 B CN101392877 B CN 101392877B
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- led
- pcb board
- lamp bar
- led lamp
- fuse
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Abstract
The invention discloses an LED bar. The LED bar comprises a temperature sensor, a bridge rectifier, a fuse wire and a PCB composite board, wherein the PCB board is fixed with an LED and is at least provided with a positive wire, a negative wire and a signal wire. The fuse wire is arranged on the PCB board and is capable of automatically fusing out. The bridge rectifier is arranged on the PCB board for rectification. The LED bar can effectively protect electric elements against damages caused by sudden increase in voltage or current with the temperature sensor, the bridge rectifier and the fuse wire arranged on the PCB board. In case of over-high voltage or current, the fuse can break current automatically. When the temperature of the PCB board increases to a degree unfavorable for operation, the temperature control switch breaks current automatically. The LED bar is safe, simple in structure, benefit for production and assembly and convenient to maintenance.
Description
Technical field
The present invention relates to a kind of lamp bar, in particular a kind of fool proof LED lamp bar is set.
Background technology
In the LED industry, the lamp bar directly affects life-span and the fault rate of LED as the carrier of light source.In the LED lamp decoration product; for the superperformance quality that guarantees product, the service life that increases product and minimizing fault rate; be provided with the safety device for the protection of electronic component in general all circuit on pcb board; as: the installation insurance silk plays metering function, can prevent that electric current from crossing senior general LED and burning out.
In daily use procedure, owing to voltage, electric current that power supply misphase, center line disconnection, misoperation and the other reasons of distribution system cause are excessive, so that electronic component can be destroyed, LED is damaged, affect the normal operation of miscellaneous equipment; Therefore, there is defective in prior art, needs to improve.
Summary of the invention
Technical problem to be solved by this invention is, a kind of voltage or electric current of suddenling change and strengthening of effectively preventing is provided, or LED lamp bar excess Temperature and damage the LED lamp bar of electronic component, and simple in structure, be easy to produce and assembling, be convenient to maintenance.
Technical scheme of the present invention is as follows:
A kind of LED lamp bar comprises temperature sensing device, bridge-type rectifier, fuse, pcb board, is arranged at least one LED on the described pcb board, and described pcb board arranges a positive source line, power-polar curve and at least one holding wire at least; Described fuse is connected with an electrode line, and described fuse is used for when temperature surpasses the first preset temperature, automatically fusing; Described bridge-type rectifier respectively with the fuse of connecting after described electrode line, a negative line be in series; A power line on described temperature sensing device and the described pcb board is in series, and is used for monitor temperature, when surpassing the second preset temperature, interrupts described power line.
Described LED lamp bar, described temperature sensing device is connected with the described electrode line after the rectification.
Described LED lamp bar, described temperature sensing device is connected with the described negative line after the rectification.
Described LED lamp bar, described pcb board arranges a single line control module; And described pcb board only arranges a holding wire; Described single line control module drives each LED light emitting diode of control according to the control signal of described holding wire input.
Described LED lamp bar, described pcb board arranges a redundancy fault-tolerant drive control chip, and described pcb board arranges two holding wires; Described redundancy fault-tolerant drive control chip drives each LED light emitting diode of control according to the control signal of each holding wire input.
Described LED lamp bar arranges at least one LED pedestal on the described pcb board; Each LED pedestal setting at least two LED, each LED pedestal is electrically connected respectively with signal with described pcb board and is connected.
Described LED lamp bar, each LED pedestal arrange respectively three to ten LED.
Described LED lamp bar, the electrode line of the pcb board between each the LED pedestal fuse of connecting respectively.
Described LED lamp bar, to arbitrary LED pedestal, each LED light emitting diode is uniformly set at the edge at least one plane of described LED pedestal.
Described LED lamp bar also comprises wave suppression arrangement, and it is connected with an electrode line, a negative line respectively, is used for eliminating the disturbing wave that circuit produces.
Adopt such scheme, the present invention to adopt the method for the upper set temperature induction installation of PCB, bridge-type rectifier, fuse, effectively prevent from damaging electrical equipment because voltage or electric current increase suddenly.When voltage or electric current were excessive, fuse is turn-off current immediately, and when the temperature on the PCB was elevated to a limit that is unfavorable for work, temp control switch can the automatic disconnection electric current.Reached safety, simple in structure, be easy to produce and assembling, be convenient to maintenance.
Description of drawings
Fig. 1 is the schematic diagram of the first embodiment of the pcb board of LED lamp bar of the present invention;
Fig. 2 is the schematic diagram of the first embodiment of LED lamp bar of the present invention;
Fig. 3 is the schematic diagram of the second embodiment of the pcb board of LED lamp bar of the present invention;
Fig. 4 is the schematic diagram of the second embodiment of LED lamp bar of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment one as shown in Figure 1 and Figure 2, a kind of LED lamp bar, comprise temperature sensing device 5, bridge-type rectifier 4, fuse 3, pcb board 1, LED pedestal 14, LED13, an electrode line 2, negative line 9 and at least one holding wire 8 are set on the described pcb board 1, and namely the power line of described pcb board 1 comprises electrode line 2 and negative line 9; Also be provided with temperature sensing device 5 on the pcb board 1, be used for monitor temperature, when surpassing the second preset temperature, interrupt described power circuit; Bridge-type rectifier 4 is used for rectification; Fuse 3, when being used for temperature above the first preset temperature, automatically fusing.Wherein, the first preset temperature and the second preset temperature can be the same or different, and specifically can determine according to actual conditions; For example, determine the first preset temperature and the second preset temperature according to the environment for use of lamp bar, the material of pcb board etc.
On pcb board 1, article one, electrode line 2 is connected with fuse 3, fairing 4 is connected between an electrode line 2, the negative line 9, LED13 is fixed on the LED pedestal 14, LED pedestal 14 is fixed on the pcb board 1, connects by electrode line 2 on the pcb board 1, negative line 9 and the signal line 8 of between the LED pedestal 14.
In the present embodiment, temperature sensing device is connected with the described electrode line after the rectification, and described temperature controller is opened or powered-down according to the height of temperature on the pcb board, is used for realizing that control is installed in the LED13 on the lamp bar.For example the temperature sensing device preset temperature is 90 degree, when feeding back to the temperature sensing device temperature on the pcb board 1 and spend greater than 90, LED will automatic distinguishing, be lower than 90 when spending, will automatic luminous, in the time of normal the use, when 90 spend, frequently go out bright for fear of the LED temperature, this temperature sensing device can be set, and after 1 minute, 2 minutes or the 5 minutes equal times, just automatically recovers to power on behind the temperature controller automatic distinguishing.
Temperature sensing device can also be connected with the described negative line after the rectification.
Temperature sensing device can be selected full-automatic or automanual as required, and in the present embodiment, temperature sensing device uses the Full-automatic temperature induction installation.In the time of temperature sensing device work, according to the heat-resisting degree of pcb board a limiting temperature is set, i.e. described the second preset temperature; When temperature surpassed this limiting temperature, the gauge tap of temperature sensing device will be cut off the electricity supply, and the LED lamp extinguishes, and then can different treatment measures be set according to different situations; For example, after by the time the temperature on the pcb board lowered, gauge tap will auto-closing, and LED13 re-powers.
In the time of routine use, temperature sensing device can also be selected automanual as required, selects automanual benefit to be: temperature sensing device is used for the temperature of monitoring pcb board, and when surpassing a certain preset temperature, for example 100 degree interrupt described power circuit; If need to re-power, the someone comes the closed electrical source switch again, and automanual temperature sensing device can not recover automatically, like this, can allow people in the time of closed electrical source switch again, in time check the situation of pcb board, if pinpoint the problems, can in time get rid of.
In the present embodiment, fuse can be selected common fuse wire.On LED lamp bar, in process used in everyday, fuse 3 is in the state of normally; But when voltage or electric current were excessive, fuse can fuse immediately automatically, comes the safety of the electronic component in the holding circuit.
In the present embodiment, an electrode line and a negative line are set on the pcb board, the positive source line is connected with the external power supply positive and negative electrode with the power-polar curve and is connected, and is used for providing power supply to pcb board.In addition, positive source line and power-polar curve also can be set to respectively one or more, for example, many electrode line and many negative line are set; At this moment, can be with wherein a positive source line and a power-polar curve as the positive and negative polar curve of main power source, other are the positive and negative polar curve of stand-by power supply, or with many positive and negative polar curves of power supply all as the positive and negative line of main power source, be separately positioned in the different layers PCB composite plate, concrete setting can be decided according to actual conditions, is not described further herein.
As shown in Figure 2, the present invention can also adopt at least one LED pedestal that each LED is installed, and for example, for the LED pedestal 14 among Fig. 2, each LED can be uniformly set at the edge 12 on described LED pedestal 14 at least one planes.For example, the a certain plane of described pedestal 14 is square, it is one square that each LED evenly is distributed as, be arranged on the edge of square LED pedestal upper surface, be used for strengthening the decorative hair light effect of LED, similarly, according to using needs, when a certain plane of described pedestal was annular, each LED also can annular arrangement be arranged on the edge of pedestal upper surface.And for example, when a certain plane of described pedestal is the five-pointed star shape, in order to increase brightness, can be on the LED pedestal edge setting on plane and the LED that its profile is complementary.Can obtain better visual effect like this.
An example can also be, the a certain plane of described pedestal is circular, another plane is regular pentagon, and a circle LED then can evenly be set in the edge of circular flat, and the edge on the regular pentagon plane evenly arranges five, nine, ten, 14,15 or more LED.
LED pedestal among the present invention also arranges at least one LED13 at the center at least one plane of LED pedestal.For example, a certain plane of LED pedestal 14 is five-pointed star shapes, then can one LED be set at the pentalpha center on this plane; Five LED that are arranged in regular pentagon perhaps are set, make its decoration more colorful, visual effect is better.
Control the LED light emitting diode that is arranged on the pcb board in order to drive, can independently control each LED light emitting diode, thereby realize flicker, animation texts, one control module also is set on the pcb board, control module is by the control signal wire transmission of control signals, to drive control LED light emitting diode.When the control module that adopts was the single wire transmission control module, the control signal wire of single wire transmission control signal only was a control signal wire that is comprised of a wire.
Embodiment two as shown in Figure 3, Figure 4, a kind of LED lamp bar comprises temperature sensing device 5, bridge-type rectifier 4, fuse 3, pcb board 1, wave suppression arrangement 18, LED pedestal 14, LED13; An electrode line 2, negative line 9, article one holding wire 8, second holding wire 10 are set on the described pcb board 1, also are provided with on the pcb board 1: temperature sensing device 5, bridge-type rectifier 4, fuse 3, wave suppression arrangement 18, LED pedestal 14.
1 one electrode lines 2 of fuse 3 and pcb board are connected, when being used for temperature above a certain preset temperature, and automatically fusing; The first input end of bridge-type rectifier 4 is connected with the described electrode line of series connection behind the fuse; The second input of bridge-type rectifier is connected with a negative line; Be used for rectification.
The series connection of described temperature sensing device be connected fuse after a described electrode line connect; Be used for monitor temperature, when surpassing a certain preset temperature, interrupt described power circuit.
Temperature sensing device also can with rectification after described electrode line series connection or with rectification after a negative line series connection or is connected fuse after a negative line connect.Temperature sensing device the installation site is set, be installed to according to the actual needs different positions.
Wave suppression arrangement 18 is arranged on the described pcb board 1, and described wave suppression arrangement 18 is connected between an electrode line 2, the negative line 9, is used for eliminating the disturbing wave that circuit produces.
Wave suppression arrangement is to utilize the synthetic group selection circuit (LC) of electric capacity and inductance, allows the signal of CF to pass through, and is then decayed or stops for the signal disturbing wave of nonspecific frequency.The protection philosophy of wave suppression arrangement is, when piezo-resistance during at readiness, for protected electronic building brick, has very high impedance, for example can reach several megohms, and can not affect the characteristic of former design circuit.But when the transient voltage appearance, when for example surpassing the breakdown voltage of wave suppression arrangement, the impedance meeting step-down of this wave suppression arrangement, can be down to only has several ohms, and causes line short, like this, just can protect electronic product or expensive assembly.
Described LED pedestal 14 arranges at least two LED13; Described LED pedestal 14 is arranged on the pcb board 1, by the connecting line on the described pcb board, connects each LED pedestal.That is to say, the circuit that is connected with pcb board is set on the described LED pedestal, comprise at least one positive source line, at least one power-polar curve and at least one holding wire; Thereby realizing that each LED pedestal is electrically connected respectively with signal with described pcb board is connected.
As shown in Figure 3, Figure 4, on pcb board 1, article one, electrode line 2 is connected with common fuse wire 3, fairing 4 is connected between an electrode line 2, the negative line 9, LED13 is fixed on LED pedestal 14, LED pedestal 14 is fixed on the pcb board 1, between the LED pedestal 14 by electrode line 2 on the pcb board 1, negative line 9 are connected with article one holding wire, second holding wire 10 connects.
In the present embodiment, temperature sensing device is connected with the described electrode line after the rectification.Described temperature controller is opened or powered-down according to the height of temperature on the pcb board, is used for realizing that control is installed in the LED on the lamp bar.
In the present embodiment, fuse can be selected the polymer self-healing fuse.On LED lamp bar, in process used in everyday, fuse 3 is in the state of normally; But when voltage or electric current were excessive, fuse can fuse immediately automatically, comes the safety of the electronic component in the holding circuit.
Certainly, fuse also can be selected common fuse wire or Bimetallic shrapnel fuse, and according to the fuse of needs selection different size actual in the use, when only needing to be implemented in temperature above the first preset temperature, the function that automatically fuses gets final product.
Temperature sensing device can be selected full-automatic or automanual as required, and in the present embodiment, temperature sensing device can use semi-automatic temperature sensing device.
As shown in Figure 4, the LED pedestal in the present embodiment according to actual needs, can be set to respectively square LED pedestal 14, round LED pedestal 15, oval LED pedestal 19 and triangle LED pedestal 16.
In the present embodiment drive control and be arranged on LED on the pcb board 1, can independently control each LED, when the control module of employing was the redundancy fault-tolerant control module, the control signal wire of transmission of control signals was two control signal wires that are comprised of two wires.
Redundancy refers to 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 function that refers to that system still can continue to work when its a certain component faults, fault tolerance generally is to realize by redundant component.The assurance system is called fault-toleranr technique in the technology that some part breaks down or still can work during mistake.
In above-mentioned each example, described LED can be OLED (Organic light-emitting diode, Organic Light Emitting Diode), and the present invention does not make any additional limits to this.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. a LED lamp bar is characterized in that, also comprise temperature sensing device, bridge-type rectifier, fuse, pcb board, be arranged at least one LED on the described pcb board,
Described pcb board arranges a positive source line, power-polar curve and at least one holding wire at least;
Described fuse is connected with an electrode line, and described fuse is used for when temperature surpasses the first preset temperature, automatically fusing;
Described bridge-type rectifier respectively with the fuse of connecting after described electrode line, a negative line be in series;
A power line on described temperature sensing device and the described pcb board is in series, and is used for monitor temperature, when surpassing the second preset temperature, interrupts described power line.
2. LED lamp bar according to claim 1 is characterized in that, described temperature sensing device is connected with the described electrode line after the rectification.
3. LED lamp bar according to claim 1 is characterized in that, described temperature sensing device is connected with the described negative line after the rectification.
4. LED lamp bar according to claim 1 is characterized in that, described pcb board arranges a single line control module; And described pcb board only arranges a holding wire; Described single line control module drives each LED light emitting diode of control according to the control signal of described holding wire input.
5. LED lamp bar according to claim 1 is characterized in that described pcb board arranges a redundancy fault-tolerant drive control chip, and described pcb board arranges two holding wires; Described redundancy fault-tolerant drive control chip drives each LED light emitting diode of control according to the control signal of each holding wire input.
6. LED lamp bar according to claim 1 is characterized in that: at least one LED pedestal is set on the described pcb board; Each LED pedestal setting at least two LED, each LED pedestal is electrically connected respectively with signal with described pcb board and is connected.
7. LED lamp bar according to claim 6, each LED pedestal arranges respectively three to ten LED.
8. LED lamp bar according to claim 6, the electrode line of the pcb board between each the LED pedestal fuse of connecting respectively.
9. LED lamp bar according to claim 6 is characterized in that, to arbitrary LED pedestal, is provided with luminous one or more planes at described LED pedestal, and evenly distributing at the edge on the one or more plane arranges each LED light emitting diode.
10. LED lamp bar according to claim 1 is characterized in that, also comprises wave suppression arrangement, and it is connected with an electrode line, a negative line respectively, is used for eliminating the disturbing wave that circuit produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102227264A CN101392877B (en) | 2008-09-23 | 2008-09-23 | LED lamp strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102227264A CN101392877B (en) | 2008-09-23 | 2008-09-23 | LED lamp strip |
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| Publication Number | Publication Date |
|---|---|
| CN101392877A CN101392877A (en) | 2009-03-25 |
| CN101392877B true CN101392877B (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008102227264A Expired - Fee Related CN101392877B (en) | 2008-09-23 | 2008-09-23 | LED lamp strip |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2476497A (en) * | 2009-12-23 | 2011-06-29 | Bombardier Transp Gmbh | Transferring electromagnetic energy to a vehicle |
| WO2019113978A1 (en) * | 2017-12-15 | 2019-06-20 | 杭州杭科光电集团股份有限公司 | Non-polar led light bar, filament and led lamp |
| CN107965688A (en) * | 2017-12-15 | 2018-04-27 | 杭州杭科光电集团股份有限公司 | A kind of nonpolarity LED light bar, filament and LED light |
| CN108488659A (en) * | 2018-03-07 | 2018-09-04 | 江门市亿君鑫达光电科技有限公司 | A kind of waterproof LED lamp strip with safety device |
| CN110410699B (en) * | 2019-08-23 | 2024-05-14 | 上犹县嘉亿灯饰制品有限公司 | Copper wire lamp and copper wire lamp control method |
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| DE102005017120A1 (en) * | 2005-04-11 | 2006-10-19 | MENTOR GmbH & Co. Präzisions-Bauteile KG | Lighting module and checking unit for lockable container, e.g. refrigerator, has housing with connector drawing power for LED illuminator and unit identifying contents by reading tags attached to items |
| KR100710071B1 (en) * | 2006-09-28 | 2007-04-25 | (주)한국환경에너지 | Lamp using led |
| KR100742182B1 (en) * | 2007-04-19 | 2007-07-24 | 화우테크놀러지 주식회사 | A led lighting fitting with thermal accumulator |
| CN101173757A (en) * | 2007-09-25 | 2008-05-07 | 东莞勤上光电股份有限公司 | Superheating protection method for LED road lamp |
| CN201306635Y (en) * | 2008-09-23 | 2009-09-09 | 北京中庆微数字设备开发有限公司 | LED light strip |
-
2008
- 2008-09-23 CN CN2008102227264A patent/CN101392877B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005017120A1 (en) * | 2005-04-11 | 2006-10-19 | MENTOR GmbH & Co. Präzisions-Bauteile KG | Lighting module and checking unit for lockable container, e.g. refrigerator, has housing with connector drawing power for LED illuminator and unit identifying contents by reading tags attached to items |
| KR100710071B1 (en) * | 2006-09-28 | 2007-04-25 | (주)한국환경에너지 | Lamp using led |
| KR100742182B1 (en) * | 2007-04-19 | 2007-07-24 | 화우테크놀러지 주식회사 | A led lighting fitting with thermal accumulator |
| CN101173757A (en) * | 2007-09-25 | 2008-05-07 | 东莞勤上光电股份有限公司 | Superheating protection method for LED road lamp |
| CN201306635Y (en) * | 2008-09-23 | 2009-09-09 | 北京中庆微数字设备开发有限公司 | LED light strip |
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| CN101392877A (en) | 2009-03-25 |
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Granted publication date: 20130206 Termination date: 20180923 |