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加热棒不工作原因分析

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发热管-加热棒选购-规格

发热管-加热棒选购-规格

在设备的使用过程中,常遇到电热管不工作的问题,对于不太了解或者刚刚接触到这个行业的人士来说,遇到电热管不发热原因,都以为是加热棒坏了,有的也不知道问题出在哪边,就去盲目的让采购去找加热管生产商购买,其实当电热管发生不发热的情况,应该及时的排查出问题的所在,然后进行对症下药来解决问题。这样既能节约成本又能知道问题的所在避免类似问题的再次发生。
加热管不发热是有多种原因的。有的是电热管自身的问题也有的并不是电热管自身的问题。我们就把常见的一些和大家简单讲解与分下:

1.断开所有的外围电路,用万用表欧姆档位,选择适合的量程,测量是否有电阻,电阻值无强大时,确定为开路,加热丝断开;若有电阻值时,阻抗值和“电压*电压/功率”所得近似,说明加热管阻值正常;

2.电热管特别是工业电热管在使用的过程方便于控制所以就在电热管上面安装了一个可调式温控这样便于调节温度这个就叫做电热管温度控制。这样的电热管不发热有可能就是控温器触点接触不良或烧熔脱开。若更换可调式温控仪坏了更换一个,若还是不行,就是电热管换了需要重新购买。

3.电热管不发热,电热管八成把握确定是正常的,那就要先从电源那边开始排查起首先要确定是否停电或是插头忘记插了,再看插头与插座接触是否良好。确定一切正常若电热管还不工作,说明电热管已坏。

4.电热管不工作也就是不发热,检查电热管,发现电热管引片或引线脱落。立即关闭电源。将电热管引片或引线重新焊接。开启电源,工作则一切正常。

In the use of process equipment, electric heating pipe does not work often encounter problems, do not understand or just come into contact with people in the industry, does not meet the causes of fever electric heating tube, heating rod that is bad, some do not know what the problem is, go blind for procurement for heating tube manufacturers purchase, in fact, when the electric heating tube is not heating situation, should be timely investigation of the problem, and then an antidote against the disease to solve problems. This can not only save the cost but also can know the problem and avoid similar problems from happening again.
The electric heating tube heating is not for a variety of reasons. Some problems of its own electric heating tube or not heating tube own problems. We put some common and simple explanation and under:
1 off all the peripherals circuit, with a multimeter ohm range, suitable range, measuring whether there is resistance, the resistance value without a strong, determined to open, the heating wire is disconnected; if the resistance value, approximate and “voltage * voltage / power” the impedance value, heating tube normal;
2 electric heating tube especially industrial electric heating tube in the use process is convenient to control so on the electric heating tube is installed above a adjustable temperature control so as to regulate the temperature of the electric heating pipe temperature control is called. The electric heating tube heating may not bad contact is the thermostat contacts or melt away. If the replacement of adjustable temperature controller to replace a broken, if or not, is the electric heating tube for the need to buy.
3 electric heating tube without heating, electric heating tube 80% sure is normal, it should start from the supply side started the investigation first to determine whether a power outage or plug is inserted to forget, plug and socket contact is good. Sure everything is normal if the electric heating tube is not working, that electric heating tube is bad.
4 electric heating tube is not working is not heating, electric heating pipe heating pipe inspection, found lead or lead off. Turn off the power immediately. The electric heating pipe leading sheet or wire welding. Turn on the power, are all normal.

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