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济南卷帘门厂来讲讲卷帘门的开门信号

来源:http://www.jnzxmy.com 日期:2022-04-09 发布人:fuqiang
  卷帘门的开门信号你知道吗?很多朋友不了解这个问题,下面就让济南卷帘门厂来讲讲卷帘门的开门信号的相关内容吧。
  Do you know the opening signal of rolling shutter door? Many friends do not understand this problem. Let jinan shutter door factory talk about the relevant content of the opening signal of the shutter door.
  卷帘门的开门信号是触点信号,微波雷达和红外传感器是常用的两种信号源:
  The opening signal of rolling shutter door is contact signal, microwave radar and infrared sensor are two commonly used signal sources:
  微波雷达是对物体的位移反应,因而反应速度快,适用于行走速度正常的人员通过的场所,它的特点是一旦在门附近的人员不想出门而静止不动后,雷达便不再反应,卷帘门就会关闭,对门机有一定的保护作用;红外传感器对物体存在进行反应,不管人员移动与否,只要处于传感器的扫描范围内,它都会反应即传出触点信号。缺点是红外传感器的反应速度较慢,适用于有行动迟缓的人员出入的场所。
  Microwave radar is the displacement response of the object, so the reaction speed is fast, suitable for people with normal walking speed through the place, its characteristics is that once the people near the door do not want to go out and remain still, the radar will no longer react, the rolling shutter door will close, has a certain protective effect on the door machine; Infrared sensors react to the presence of objects, no matter whether people move or not, as long as they are in the scanning range of the sensor, it will respond to the outgoing contact signal. The disadvantage is that the reaction speed of the infrared sensor is slow, and it is suitable for the places with slow personnel.
  如果卷帘门接受触点信号时间过长,控制器会认为信号输入系统出现障碍。而且自动平移门如果保持开启时间过长,也会对电气部件产生损害。由于微波雷达和红外传感器并不了解接近卷帘门的人是否真要进门,所以有些场合更愿意使用按键开关。按键开关可以是一个触点式的按钮,更方便的是所谓肘触开关。肘触开关很耐用,特别是它可以用胳膊肘来操作,避免了手的接触。
  If the rolling shutter door receives the contact signal for too long, the controller will think that the signal input system has obstacles. And if the automatic translation door is kept open for too long, it will also cause damage to the electrical components. Because microwave radar and infrared sensors do not know whether people close to the shutter door really want to enter the door, so some occasions are more willing to use the button switch. Key switch can be the button of a touch type, more convenient is so-called elbow touch switch. Toggle switch is very durable, especially it can be operated by elbow, avoid hand contact.
  还有脚踏开关,功能一样,但对防水的要求较高,而且脚踏的力量很大,容易使脚踏开关失效。还有一种带触点开关的拉手,当拉手被推(或在反方向拉)到位时,向门机提供触点信号。
  There is a foot switch, the same function, but the waterproof requirements are higher, and the strength of the foot is very large, easy to make the foot switch failure. There is also a handle with a contact switch that provides a contact signal to the door machine when the handle is pushed (or pulled in the opposite direction) into place.
  济南卷帘门厂提醒大家,现在的楼宇自控有时会提出特殊的要求,例如使用电话的某一分线控制开门。要达到这个要求,只要保证信号是无源的触点信号即可。有些情况下,人们会提出天线遥控的要求。用一个无线接受器与卷帘门进行触点式连接,再配一个无线发射器,就可以达到要求。
  Nowadays, building automation sometimes puts forward special requirements, such as the use of a telephone line to control the opening of the door. To achieve this requirement, just ensure that the signal is passive contact signal. In some cases, people will ask for remote control of the antenna. Contact connection with a wireless receiver and rolling shutter door, coupled with a wireless transmitter, can meet the requirements.
  不过,现在的无线电波源太多,容易导致偶然开门是一个麻烦的问题。定时器可以电动控制门的状态,其原理是将时钟与特定的开关电路相连,可预设定时间将卷帘门处于自动开启或锁门状态。
  However, there are so many sources of radio waves that opening doors accidentally is a troublesome problem. The timer can electrically control the state of the door. Its principle is to connect the clock with a specific switching circuit, and the rolling shutter door can be automatically opened or locked at a preset time.
  希望通过本文的介绍大家可以更好的选购产品。如果您还有其他的疑问,详情请咨询济南卷帘门公司官方网站www.jnzxmy.com
  Hope that through the introduction of this article you can better choose products. If you have other questions, please consult the official website of Jinan rolling shutter Door Company www.jnzxmy.com for details.

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