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http://dbpedia.org/ontology/abstract 電磁鎖,或稱磁力鎖(Magnetic lock),其設計和電磁鐵一樣,是利用電生磁的電磁鎖,或稱磁力鎖(Magnetic lock),其設計和電磁鐵一樣,是利用電生磁的原理,當電流通過矽鋼片時,電磁鎖會產生強大的吸力緊緊的吸住吸附鐵板達到鎖門的效果。只要小小的電流電磁鎖就會產生莫大的磁力,控制電磁鎖電源的門禁系統識別人員正確後即斷電,電磁鎖失去吸力即可開門。因為電磁鎖沒有複雜的機械結構以及鎖舌的構造,適用在逃生門或是的通路控制。其內部用灌注(epoxy)保護鎖體。目前電磁鎖的吸力強度以LB表示(磅),測試的方法是靜態加壓。所謂靜態加壓就是電磁鎖通電後慢慢地逐漸增加對吸附鐵板的拉力,當超出電磁鎖的吸力時瞬間拉開吸附鐵板,此拉力的數據就是電磁鎖的拉力值。而且電磁鎖與吸附鐵板的作用力必須是面對面而且是直線加壓(collinear load test),如此電磁鎖的吸力才是最大。吸附鐵板因為長時間受電磁鐵的磁力感應有可能被短暫磁化。),如此電磁鎖的吸力才是最大。吸附鐵板因為長時間受電磁鐵的磁力感應有可能被短暫磁化。 , Магнитный замок и электромагнитный замок —Магнитный замок и электромагнитный замок — запорные устройства, основанные на магнитном взаимодействии. Пассивный магнитный замок не получает дополнительного питания, обладает небольшой силой, поэтому применяется для запирания дверей шкафов, в качестве кнопок на одежде, дамских сумочках и прочем. Электромагнитный замок состоит из корпуса с электромагнитом и ответной планки (якоря) из металла с большой магнитной проницаемостью. Используется в качестве исполнительного устройства систем управления дверьми. Мощность электромагнита должна быть достаточной, чтобы исключить возможность силового открывания двери без видимых повреждений. По типу запирания электромагнитные замки бывают: * магнитного запирания; * магнито-механического запирания. По типу монтажа подразделяются на: * накладные, которые крепятся с помощью набора уголков; * врезные, обеспечивающие наилучший внешний вид, так как не имеют выступающих частей; * полуврезные, то есть часть замка выдаётся из плоскости дверной коробки.мка выдаётся из плоскости дверной коробки. , An electromagnetic lock, magnetic lock, orAn electromagnetic lock, magnetic lock, or maglock is a locking device that consists of an electromagnet and an armature plate. There are two main types of electric locking devices. Locking devices can be either "fail safe" or "fail secure". A fail-secure locking device remains locked when power is lost. Fail-safe locking devices are unlocked when de-energized. Direct pull electromagnetic locks are inherently fail-safe. Typically the electromagnet portion of the lock is attached to the door frame and a mating armature plate is attached to the door. The two components are in contact when the door is closed. When the electromagnet is energized, a current passing through the electromagnet creates a magnetic flux that causes the armature plate to attract to the electromagnet, creating a locking action. Because the mating area of the electromagnet and armature is relatively large, the force created by the magnetic flux is strong enough to keep the door locked even under stress. Typical single door electromagnetic locks are offered in both 600 lbs. (2669 N) and 1200 lbs. (5338 N) dynamic holding force capacities. A "fail safe" magnetic lock requires power to remain locked and typically is not suitable for high security applications because it is possible to disable the lock by disrupting the power supply. Despite this, by adding a magnetic bond sensor to the lock and by using a power supply that includes a battery backup capability, some specialized higher security applications can be implemented. Electromagnetic locks are well suited for use on emergency exit doors that have fire safety applications because they have no moving parts and are therefore less likely to fail than other types of electric locks, such as electric strikes. The strength of today's magnetic locks compares well with that of conventional door locks and they cost less than conventional light bulbs to operate. There are additional pieces of release hardware installed in a typical electromagnetic locking system. Since electromagnetic locks do not interact with levers or door knobs on a door, typically a separate release button that cuts the lock power supply is mounted near the door. This button usually has a timer that, once the button is pressed, keeps the lock unlocked for either 15 or 30 seconds in accordance with NFPA fire codes. Additionally a second release is required by fire code. Either a motion sensor or crash bar with internal switch is used to unlock the door on the egress side of the door automatically.the egress side of the door automatically.
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rdfs:comment Магнитный замок и электромагнитный замок —Магнитный замок и электромагнитный замок — запорные устройства, основанные на магнитном взаимодействии. Пассивный магнитный замок не получает дополнительного питания, обладает небольшой силой, поэтому применяется для запирания дверей шкафов, в качестве кнопок на одежде, дамских сумочках и прочем. По типу запирания электромагнитные замки бывают: * магнитного запирания; * магнито-механического запирания. По типу монтажа подразделяются на:ирания. По типу монтажа подразделяются на: , 電磁鎖,或稱磁力鎖(Magnetic lock),其設計和電磁鐵一樣,是利用電生磁的電磁鎖,或稱磁力鎖(Magnetic lock),其設計和電磁鐵一樣,是利用電生磁的原理,當電流通過矽鋼片時,電磁鎖會產生強大的吸力緊緊的吸住吸附鐵板達到鎖門的效果。只要小小的電流電磁鎖就會產生莫大的磁力,控制電磁鎖電源的門禁系統識別人員正確後即斷電,電磁鎖失去吸力即可開門。因為電磁鎖沒有複雜的機械結構以及鎖舌的構造,適用在逃生門或是的通路控制。其內部用灌注(epoxy)保護鎖體。目前電磁鎖的吸力強度以LB表示(磅),測試的方法是靜態加壓。所謂靜態加壓就是電磁鎖通電後慢慢地逐漸增加對吸附鐵板的拉力,當超出電磁鎖的吸力時瞬間拉開吸附鐵板,此拉力的數據就是電磁鎖的拉力值。而且電磁鎖與吸附鐵板的作用力必須是面對面而且是直線加壓(collinear load test),如此電磁鎖的吸力才是最大。吸附鐵板因為長時間受電磁鐵的磁力感應有可能被短暫磁化。),如此電磁鎖的吸力才是最大。吸附鐵板因為長時間受電磁鐵的磁力感應有可能被短暫磁化。 , An electromagnetic lock, magnetic lock, orAn electromagnetic lock, magnetic lock, or maglock is a locking device that consists of an electromagnet and an armature plate. There are two main types of electric locking devices. Locking devices can be either "fail safe" or "fail secure". A fail-secure locking device remains locked when power is lost. Fail-safe locking devices are unlocked when de-energized. Direct pull electromagnetic locks are inherently fail-safe. Typically the electromagnet portion of the lock is attached to the door frame and a mating armature plate is attached to the door. The two components are in contact when the door is closed. When the electromagnet is energized, a current passing through the electromagnet creates a magnetic flux that causes the armature plate to attract to the electromagnet, creating a lockinct to the electromagnet, creating a lockin
rdfs:label Electromagnetic lock , Магнитный замок , 電磁鎖
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