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跟着LED红外灯的广泛应用,其质量问题也逐步遭到关注。因为装置红外灯的红外摄像机绝大多数在高处,一旦出现问题,替换较为费事。所以红外灯的质量的区别就显得十分重要。在此将一些简略的辨别办法谈谈,仅供咱们参阅。
With the wide application of LED infrared light, the quality problem is gradually attention. Because most of the infrared lamp infrared camera device on high, if there are problems, replace more trouble. So the difference of infrared light quality is very important. Here are some brief ways of distinguishing, for our reference only.
怎么辨别红外灯的质量好坏
How to identify the quality of infrared lamp
怎么辨别红外灯的质量好坏窍门一.正芯和散芯的区别
How to identify the quality of tips. A lamp distinction is core and core powder
灯芯选用正芯仍是散芯决议着红外灯的质量,二者之间的报价也十分悬殊,乃至相差五倍以上,这也是商场上红外灯报价三六九等的一个重要原因。摄像机对发光光谱在850纳米的灯最敏感,即有红爆的红外管,这个频段的红外灯管也是报价最贵的。将红外灯的灯板取下,再找一只可调的稳压电源。在光线较暗的环境下,先将稳压电源的输出电压调至红外灯的额外作业电压,衔接红外灯,此刻红外灯正常作业,然后逐步调低电压至灯管熄灭,看灯管的发光程度是不是共同,假如在此过程中灯板上一切的灯管发光相同,则阐明灯管用的是正芯;假如有的灯稍亮有的灯稍暗,那么灯芯的质量就让人置疑了。别的还有一种办法——丈量法。在红外灯正常作业的情况下丈量每个灯管的作业电压。如今商场上的LED红外灯大多数用的是小功率灯管,芯片多为12MIL或许14MIL[1密耳(mil)=0.0254毫米(mm)],每只灯管正常的作业电压是1.5V左右。用一数字万用表,量程开关打至2V档,丈量每一个灯管的作业电压,假如正芯管,每一个灯管的作业电压的误差值在0.03V以内,若大于这个数值,特别是遍及较大时就阐明这批灯管绝非正芯。这种办法对940纳米的红外灯相同适用。
It is still the core selection of wick core powder determines the quality of infrared light, between the two prices are very high, and is more than five times, an important reason for this is the quotation lamp various grades and ranks. The camera is most sensitive to the 850 - nm light spectrum, known as the red burst infrared tube, and the band's infrared lamp is also the most expensive. The lamp lamp plate removed, then find a adjustable regulated power supply. In a dark environment, the additional operating voltage, the output voltage to the lamp power supply connection of infrared light, infrared light at normal operation, and then gradually reduce the voltage to the lamp extinguished, see light degree lamp is not so common, if in the process of the lamp board all the lamp light is same, light work. Is the core; if some lights brighter lights had a slightly dark, so the wick people doubt the quality of. There is another way - measuring method. In the case of the normal operation of infrared measuring each lamp operating voltage. Now in the market most of LED infrared light using a small power tube, multi chip 12MIL or 14MIL[1 mil (MIL) =0.0254 mm (mm)], each lamp working voltage is about 1.5V. With a digital multimeter, range switch to 2V files, each a lamp operating voltage, if the voltage operation error of core tube, each lamp value within 0.03V, if more than this value, especially in larger when this group is the core tube is not clarified. This approach to 940 nm infrared light for the same.
正芯灯管的优点是作业稳定,新时相同新,老时相同老,作业上三五年今后再看灯板上的灯,他们发光也十分共同。假如是嫌照度低,恰当调整作业电流即可使其康复青春。散芯灯管就不相同了,作业半年今后灯板上有的灯亮有的灯暗,一年以内不出毛病即是万幸了。即便是换掉坏管子,不长时刻后依然出毛病,因为全体质量太差了。
The advantage of the positive tube is that the operation is stable, the new time is the same, the new is old, the old is the same old, and the 35 years of operation, we will look at the lights on the lamp board again, and they shine very much together. If it is suspected of low illumination, proper adjustment of the operating current can restore the youth. Powder core tube is not the same, the first half of next working lamp board some lights on some lights, within a year out of trouble is lucky. Even if the bad pipe is replaced, it will still go wrong after a long time, because the quality of the whole is too bad.
怎么辨别红外灯的质量好坏窍门二、灯芯芯片巨细的区别
How to distinguish the difference between infrared light quality tips two, the wick of chip size
正规的办法是用化学溶剂将胶体溶解后丈量灯芯的巨细。可是对于绝大多数人来说,即使你能够溶解胶体也无法丈量出精确数据,因为咱们没有那么精确的丈量工具[1密耳(mil)=0.0254毫米(mm)]。通常是看作业电流。通常来说12MIL的灯管最大作业电流不超越60毫安,14MIL的不超越70毫安。可是如今因为商场等等要素,有些一体机的12MIL的灯作业电流做到了80毫安。这个办法又不判定了。可是能够供给咱们一个参阅,即是作业电流大的芯片也许就大,可是电流大了寿数就短了。比方12MIL的灯作业电流做到了80毫安,那么它的寿数最多也即是2年。你知道这个,手头上多备些灯板就能够了,横竖换一次灯板挣一次钱,出售及工程都有赚,咱们皆大欢喜。
Regular method is to use chemical solvent to dissolve the colloid after measuring wick size. But for most people, even if you're able to dissolve the colloid, you can't measure exact data, because we don't have the exact measuring tools [1 mil (MIL) =0.0254 mm [mm]]. Usually it depends on the operating current. In general, the maximum operating current of the 12MIL lamp is no more than 60 Ma, and the 14MIL is no more than 70 ma. But now because of shopping malls and other factors, some of the machine's 12MIL lights work current done 80 ma. This method is not decided. But we can supply a reference, which is perhaps the current chip operation is large, but the current life is short. For example, the 12MIL lamp operating current to 80 Ma, it is at most 2 years of life. You know this, do much to prepare some light board can, anyway for a lamp board to earn a money, sell and engineering have made us to the satisfaction of all.
怎么辨别红外灯的质量好坏窍门三.看技术
How to identify the quality of the infrared light three. See technical tips
看技术就像看一个人相同,假如一个人穿戴邋里邋遢,很难信息他的作业会认真(当然陈景润先生那样的在外)。技术的好坏必定程度上阐明商品的质量,特别是焊接技术。灯管焊接时刻请求小于1.5秒,焊接时刻过长会直接影响到灯管的寿数。这一点咱们在实验过程中已得到确定。
Look like a person, if a person is wearing a messy, hard information (of course his homework seriously like Mr. Chen Jingrun in). The quality of the technology, to some extent, illustrates the quality of the goods, especially the welding technology. Tube welding time request is less than 1.5 seconds, the welding time is too long will directly affect the lamp life. We have determined this point in the course of the experiment.
怎么辨别红外灯的质量好坏窍门四、别的方面
How to identify the quality of the infrared lamp tips four, other aspects
从作业电压看红外灯的稳定性。仔细观察灯板咱们不难发现灯板上若干个灯管串联为一组,然后这若干组再并联,然后构成全部灯板线路。每组灯管中假如有一个灯管出现问题,那么这一组灯就会不亮。如今商场上大多数灯板的作业电压是12V,有些是24V。12V的灯多为6至7只灯管串联为一组,24V的则为14只或许15只为一组串联。相同是一只灯管有毛病,电压高的不作业的灯管数量远大于电压低的灯。即是说作业电压低的灯稳定性要高一些。
See from the infrared lamp operating voltage stability. Careful observation of the light plate, we can not find that the lights on a number of lamps in series into a group, and then these groups are connected in parallel, and then constitute all the lights board circuit. If there is a problem with a tube in each tube, the group of lights will not turn on. Nowadays, the voltage of most light boards in shopping malls is 12V, and some are 24V. 12V lights are mostly from 6 to 7 lamps in series, while 24V is 14, or 15 are in series. The same is a lamp, there is a problem, the high voltage, no work of the tube is much larger than the low voltage lamp. That is to say, low voltage operation, the lamp stability is higher.
红外线灯的质量主要取决于两个方面,除了LED红外二极管外即是供电电源了。红外线灯绝大多数装置在高处,一旦出现问题工程商首要拾麻烦,然后工程商再找出售商,出售商再找厂家;正本出售商的赢利就低,再来回地接货发货,到最后这一个灯不必定挣钱还有也许赔钱。所以电源的质量至关重要!
The quality of infrared light mainly depends on two aspects. Besides the LED infrared diode, it is the power supply. Most of the infrared lamp device in the high, once the problem of Engineering first pick up trouble, then the project and then find out the sale of business, sell business to find manufacturers; original vendor profit is low, come back to the last cargo delivery, this one will not light and perhaps lose money to make money. So the quality of the power supply is critical!
怎么辨别红外灯的质量好坏窍门五、对于阵列式红外灯
How to identify the quality of the infrared lamp five tips for IR array
阵列式红外灯本来即是将若干个红外LED芯片集中在一片基板上,其内部线路与通常的LED红外灯相同。选购阵列式红外灯必定注意其散热办法。好质量的阵列式红外灯的后背都有一个厚厚的散热片,并且阵列式基板与散热片之间还涂有导热硅脂,以便于散热。
IR array is originally a plurality of infrared LED chip on a substrate, the internal wiring of the same with the usual LED lamp. The purchase must pay attention to the thermal IR array method. IR array of good quality back and have a thick heat sink, and between the array substrate and the heat sink is coated with thermal grease to facilitate heat dissipation.
阵列式红外灯有体积小重量轻等优点,但也有它的缺陷,因为其内部相同是采取先串联后并联线路,一旦有一个芯片损坏就会致使一组灯不作业,一起无法替换这个损坏的芯片。假如损坏的组数多了的话就只得替换全部基板了,保护成本相对较高。
IR array has the advantages of small volume and light weight, but also has its defects, the same is taken because of its internal series parallel line, once there is a chip damage will cause a group of lights do not work together to replace the damaged chip. If the damage of the group more, then have to replace all the substrate, the protection costs are relatively high.
怎么辨别红外灯的质量好坏窍门六、对于大功率红外灯
How to identify the quality of infrared light for high-power infrared light, six tips
大功率红外灯(食人鱼封装)最重视的即是散热,灯板用铝基板,且经过螺丝与机壳衔接,经过外壳散热。别的多内置风机,经过强行风冷添加灯板与外壳的热交换。假如是用通常的线路板,能够判定这个灯板的质量必定不高,并且寿数也必定不长。
High power infrared lamp (piranha package) is the most important heat, with aluminum plate lamp plate, and after connection screw and shell after shell heat sink. Many other built-in fans are forced to cool air to add heat exchange between the light plate and the shell. If the circuit board normally, can judge the quality of the lamp board is not high and will not be life long.
怎么辨别红外灯的质量好坏窍门七、对于红外灯的寿数
How to identify the quality of the infrared lamp seven, infrared light for life tips
厂家通常标称红外灯的寿数为25000小时。实践寿数与灯的生产技术、线路规划、电源质量及作业环境等等都有联系。
The factory usually lamp life 25000 hours nominal. The practice of life and light production technology, route planning, power quality and operation environment and so on are linked.
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