CN203465403U - Built-in LED light bar aging device - Google Patents
Built-in LED light bar aging device Download PDFInfo
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- CN203465403U CN203465403U CN201320480777.3U CN201320480777U CN203465403U CN 203465403 U CN203465403 U CN 203465403U CN 201320480777 U CN201320480777 U CN 201320480777U CN 203465403 U CN203465403 U CN 203465403U
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Abstract
The utility model discloses a built-in LED light bar aging device, comprising a constant-voltage switching power supply, a constant voltage to constant current and monitoring module, a heat dissipation system and a temperature probe, wherein the constant voltage to constant current and monitoring module comprises a singlechip, a DC/DC circuit, a fan control circuit and a constant voltage to constant current circuit; the temperature probe is connected with the singlechip; the constant-voltage switching power supply is connected with the DC/DC circuit; the singlechip is connected with the heat dissipation system through the fan control circuit and further connected with an LED light bar to be aged through the constant voltage to constant current circuit, thereby providing power for and controlling the operation of the LED light bar. Aging is carried out on half-finished LED light bars or lamp panels by adopting the built-in LED light bar aging device disclosed by the technical scheme of the utility model so as to replace aging for LED lamps in the prior art, thereby not requiring to increase protection measures after LED lamp finished products are assembled, and saving procedures and the cost; in addition, the half-finished LED light bars or lamp panels need not to be handled as gently as the LED lamps in aging operation, so that the production efficiency is certainly higher.
Description
Technical field
The utility model relates to LED applied technical field, is specifically related to a kind of built-in LED lamp bar aging equipment.
Background technology
LED(Lighting Emitting Diode in the last few years, light emitting diode) technical development is rapid, and LED constantly has new technology and new patent to emerge in large numbers in display and lighting field.As everyone knows, along with there is light decay in the increase LED of working time, so LED product all needs through overaging.Aging is the important guarantee of electronic product reliability, is a last requisite step of production.LED product can promote usefulness after aging, and contributes to the usefulness that the later stage is used to stablize.The countermeasure that the feature that LED burn-in test is is tub curve according to the bathtub curve of product is taked, improves the reliability of product with this.So LED burn-in test is production quality control, be a very important link, but often out in the cold many times, cannot carry out correct effectively burn-in test.But this method of LED burn-in test is not essential, burn-in test is what to sacrifice life-span of single LEDs product be cost after all.
Existing LED applies enterprise, generally all can carry out burn-in test to LED lamp pearl, but carrying out burn-in test to LED lamp pearl, light can not solve final problem completely, such as the enterprise for producing LED light fixture, final product is LED light fixture, and therefore much LED light fixture enterprise all also will carry out aging to final LED light fixture.But can only carry out the LED light fixture finished product being assembled at present aging, can not be aging to half-finished LED lamp bar (or LED lamp plate, indication lamp bar herein comprise and the LED lamp bar of strip also comprise the LED lamp plate that is not strip); And in aging production operation process, easily cause the damage of LED lamp face, so LED lamp assembled must increase safeguard measure after completing, thereby must increase cost; Even if increased protection, in operating process, still to handle with care, thereby also can cause production efficiency low.
The key that LED light fixture is aging is in fact exactly LED lamp bar, and aging to LED light fixture is exactly aging to LED lamp bar.If LED lamp bar is carried out aging, just there is no need to LED light fixture, to carry out aging again.LED lamp bar is carried out aging, do not have the problem that increases safeguard measure and bring cost up; And in operating process, also do not need to handle with care as operation LED light fixture, production efficiency is certain to higher.But, also not for the aging equipment of LED lamp bar, therefore need to improve at present.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of built-in LED lamp bar aging equipment, in solution prior art, there is no the aging equipment for LED lamp bar, and adopt LED light fixture finished product aging equipment to carry out high, the inefficient problem of aging brought cost.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
Built-in LED lamp bar aging equipment, it is aging for LED lamp bar to be aging; This LED lamp bar aging equipment comprises: constant voltage Switching Power Supply, the constant voltage being linked in sequence turns constant current and monitoring module, cooling system, and presses close to described LED lamp bar to be aging, and for measuring the temp probe of LED lamp bar temperature to be aging; Described constant voltage turns constant current monitoring module and comprises again: single-chip microcomputer, DC/DC circuit, fan control circuitry and constant voltage turn constant-current circuit; Described temp probe is connected with single-chip microcomputer; Described constant voltage Switching Power Supply is connected with described DC/DC circuit, by after DC/DC circuit conversion for monitoring module is powered; Described single-chip microcomputer is connected with cooling system by fan control circuitry, controls the work of described cooling system, and single-chip microcomputer also turns constant-current circuit by constant voltage and is connected with LED lamp bar to be aging, is its work of LED lamp bar electricity supply and control to be aging.
In further preferred technical scheme, described constant voltage turns constant current and monitoring module also comprises sound light alarming circuit, and described sound light alarming circuit is connected with single-chip microcomputer.
In preferred technical scheme, the electric current that described constant-current switch power source provides is 1/4th of LED lamp bar rated current to be aging.
In preferred technical scheme, described cooling system comprises two groups of radiator fans, and two groups of radiator fans lay respectively at the both sides up and down of LED lamp bar to be aging, and arranges in the same way.
In further preferred technical scheme, described radiator fan is ac fan.
The beneficial effects of the utility model are:
Adopted the built-in LED lamp bar aging equipment of technical solutions of the utility model, be half-finished LED lamp bar or lamp plate are carried out aging, to substitute aging to LED light fixture of prior art.Because be carries out before assembling completes, avoid the damage to LED light fixture lamp face, thereby no longer needed to increase safeguard measure after assembling LED light fixture finished product, thereby saved operation and cost, improved product qualified rate; In aging LED lamp bar, can also synchronous other production process of carrying out, thereby improved production efficiency, and in aging operation also without handling with care as aging LED light fixture, production efficiency is certain to higher.
Accompanying drawing explanation
Fig. 1 is the circuit theory schematic diagram of the utility model embodiment built-in LED lamp bar aging equipment.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment
A kind of built-in LED lamp bar aging equipment that this embodiment provides, it is aging for LED lamp bar to be aging; This LED lamp bar aging equipment as shown in Figure 1, comprising: constant voltage Switching Power Supply, the constant voltage being linked in sequence turns constant current and monitoring module, cooling system, and presses close to described LED lamp bar to be aging, and for measuring the temp probe of LED lamp bar temperature to be aging; Described constant voltage turns constant current monitoring module and comprises again: single-chip microcomputer, DC/DC circuit, fan control circuitry and constant voltage turn constant-current circuit; Described temp probe is connected with single-chip microcomputer; Described constant voltage Switching Power Supply is connected with described DC/DC circuit, by after DC/DC circuit conversion for monitoring module is powered; Described single-chip microcomputer is connected with cooling system by fan control circuitry, controls the work of described cooling system, and single-chip microcomputer also turns constant-current circuit by constant voltage and is connected with LED lamp bar to be aging, is its work of LED lamp bar electricity supply and control to be aging.
Built-in lamp bar ageing device is a kind of improvement to external lamp bar aging equipment, external lamp bar aging equipment adopts constant voltage, two kinds of Switching Power Supplies of constant current, and the price of powerful constant-current switch power source is than the height of powerful constant voltage Switching Power Supply, and be also difficult to buying.In addition,, when temperature rise >=60 degree Celsius, external lamp bar aging equipment can not regulate the supply current of lamp bar, thereby has reduced the serviceable life of lamp pearl; Compare with external lamp bar aging equipment, built-in lamp bar ageing device is not only cheap, and increased electric current regulatory function, not only solved the problem lamp pearl life-span being reduced in aging, and can accomplish to a certain extent unattendedly, thereby also can be described as a kind of improvement to external lamp bar aging equipment.
Adopted the built-in LED lamp bar aging equipment of the utility model embodiment technical scheme, be half-finished LED lamp bar or lamp plate are carried out aging, to substitute aging to LED light fixture of prior art.Because be carries out before assembling completes, avoid the damage to LED light fixture lamp face, thereby no longer needed to increase safeguard measure after assembling LED light fixture finished product, thereby saved operation and cost, improved product qualified rate; In aging LED lamp bar, can also synchronous other production process of carrying out, thereby improved production efficiency, and in aging operation also without handling with care as aging LED light fixture, production efficiency is certain to higher.
In further preferred technical scheme, described monitoring module also comprises sound light alarming circuit, and described sound light alarming circuit is connected with single-chip microcomputer.The sound light alarming circuit being formed by hummer, LED, if the temperature detecting is lower than a certain setting value (damage of digital temperature detection probe), such as 25 degree, start immediately sound and light alarm, notify operating personnel to carry out check processing, with time alarm unit, can indicate that specifically which layer LED lamp bar is out of joint, facilitate staff to process in time.
In preferred technical scheme, the electric current that described constant-current switch power source provides is 1/4th of LED lamp bar rated current to be aging.Do is like this in order to prevent that the temperature rise of LED lamp bar is too fast and burn LED lamp pearl.
In preferred technical scheme, described cooling system comprises two groups of radiator fans, and two groups of radiator fans lay respectively at the both sides up and down of LED lamp bar to be aging, and arranges in the same way, and the cooling system heat-sinking capability arranging is like this stronger.Digital temperature detection probe is close on LED lamp bar to be aging, when temperature >=60 ℃ being detected, by fan control circuitry, controls upper and lower two groups of radiator fans and starts, and dispels the heat; If while detecting temperature <60 ℃, close upper and lower two groups of radiator fans.
In further preferred technical scheme, described radiator fan is ac fan, and the radiating effect of ac fan is better.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (7)
1. built-in LED lamp bar aging equipment, it is aging for LED lamp bar to be aging, it is characterized in that, this LED lamp bar aging equipment comprises: constant voltage Switching Power Supply, the constant voltage being linked in sequence turns constant current and monitoring module, cooling system, and press close to described LED lamp bar to be aging, and for measuring the temp probe of LED lamp bar temperature to be aging; Described constant voltage turns constant current monitoring module and comprises again: single-chip microcomputer, DC/DC circuit, fan control circuitry and constant voltage turn constant-current circuit; Described temp probe is connected with single-chip microcomputer; Described constant voltage Switching Power Supply is connected with described DC/DC circuit, by after DC/DC circuit conversion for monitoring module is powered; Described single-chip microcomputer is connected with cooling system by fan control circuitry, controls the work of described cooling system, and single-chip microcomputer also turns constant-current circuit by constant voltage and is connected with LED lamp bar to be aging, is its work of LED lamp bar electricity supply and control to be aging.
2. built-in LED lamp bar aging equipment as claimed in claim 1, is characterized in that, described constant voltage turns constant current and monitoring module also comprises sound light alarming circuit, and described sound light alarming circuit is connected with single-chip microcomputer.
3. built-in LED lamp bar aging equipment as claimed in claim 1 or 2, is characterized in that, the electric current that described constant voltage turns constant-current circuit to be provided is 1/4th of LED lamp bar rated current to be aging.
4. built-in LED lamp bar aging equipment as claimed in claim 3, is characterized in that, described cooling system comprises two groups of radiator fans, and two groups of radiator fans lay respectively at the both sides up and down of LED lamp bar to be aging, and arranges in the same way.
5. built-in LED lamp bar aging equipment as claimed in claim 4, is characterized in that, described radiator fan is ac fan.
6. built-in LED lamp bar aging equipment as claimed in claim 1 or 2, is characterized in that, described cooling system comprises two groups of radiator fans, and two groups of radiator fans lay respectively at the both sides up and down of LED lamp bar to be aging, and arranges in the same way.
7. built-in LED lamp bar aging equipment as claimed in claim 6, is characterized in that, described radiator fan is ac fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320480777.3U CN203465403U (en) | 2013-08-07 | 2013-08-07 | Built-in LED light bar aging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320480777.3U CN203465403U (en) | 2013-08-07 | 2013-08-07 | Built-in LED light bar aging device |
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| Publication Number | Publication Date |
|---|---|
| CN203465403U true CN203465403U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320480777.3U Expired - Fee Related CN203465403U (en) | 2013-08-07 | 2013-08-07 | Built-in LED light bar aging device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652043A (en) * | 2014-10-04 | 2016-06-08 | 平湖铱能新能源有限公司 | Adjustable fluorescent lamp test rack |
| CN105891551A (en) * | 2014-10-04 | 2016-08-24 | 平湖铱能新能源有限公司 | Fluorescent lamp test frame with flat cable grooves |
| CN106168656A (en) * | 2016-08-24 | 2016-11-30 | 山东蓝色电子科技有限公司 | A kind of LED lamp bar universal burn-in experiment instrument |
-
2013
- 2013-08-07 CN CN201320480777.3U patent/CN203465403U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652043A (en) * | 2014-10-04 | 2016-06-08 | 平湖铱能新能源有限公司 | Adjustable fluorescent lamp test rack |
| CN105891551A (en) * | 2014-10-04 | 2016-08-24 | 平湖铱能新能源有限公司 | Fluorescent lamp test frame with flat cable grooves |
| CN106168656A (en) * | 2016-08-24 | 2016-11-30 | 山东蓝色电子科技有限公司 | A kind of LED lamp bar universal burn-in experiment instrument |
| CN106168656B (en) * | 2016-08-24 | 2019-03-22 | 山东蓝色电子科技有限公司 | A kind of LED light bar universal burn-in experiment instrument |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20150807 |
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| EXPY | Termination of patent right or utility model |