安全和访问控制

建筑解决方案_安全门禁_主图图片_L2_安装在电线杆上的四个安全摄像头

控制建筑物进出并确保安全

从自动门的防雷保护,到智能锁的ESD抑制器和监控摄像头的固态继电器,Littelfuse为楼宇安全和门禁控制提供所需的电子解决方案。我们还生产多种用于窗户安全的磁性传感器,以及用于存在感应和入口感应的被动红外(PIR)传感器。

garage door with silver car showing

自动门和门

Automatic doors and gates make buildings more accessible and improve security. Consult this block diagram to find Littelfuse components that help the access control systems work as designed. Options include MOSFET rectifiers for control circuits, IGBT inverters for ac motors, Hall effect sensor for position sensing, and TVS diode arrays and multilevel varistors for ESD and lightning protection.

finger touching white sensor

门窗传感器

Door and window sensors networked with alarm systems improve building security. View this block diagram to identify Littelfuse electronic components that help these sensors work optimally. Options include reed sensors and actuator magnets for position sensing, ESD suppressors for wireless transmitters and receivers, and metal oxide varistors and TVS diodes to protect circuits from voltage surges.

PIR motion detector

PIR运动探测器

Passive infrared (PIR) sensors work with security systems, lighting controls, and automated doors and gates to make buildings safer. A block diagram shows components Littelfuse and its subsidiary Zilog provide for these motion and presence sensors. In addition to PIR sensor units, we offer microcontrollers, reed relays and solid state relays for alarms, and several types of overvoltage protection.

在公共汽车内通过镜面圆顶安装的数码摄像头

安全摄像头

Wireless security cameras need temperature sensors and ESD protection that wired security cameras do not. Block diagrams illustrate how Littelfuse supplies all the electronic components both cameras require. Shared solutions include metal oxide varistors for overvoltage protection, resettable PPTC devices for overcurrent protection, and diode arrays as solid state switches on control boards.

black smart lock with numbers

智能锁

Smart locks prevent burglaries and report unauthorized entries. This block diagram shows access, overvoltage protection, and ESD protection solutions Littelfuse provides for these locks. Our products include reed switches to act as latches, diode arrays to protect circuits from transient voltage surges, and polymer ESD suppressors to prevent shocks to users and keep wireless signals noise-free.

silver and black video doorbell

可视门铃

Each subsystem making up a video doorbell requires overcurrent, overvoltage, and ESD protection. Littelfuse delivers, as seen in this block diagram. In addition to the required resettable PPTC devices, TVS diode arrays, and multilevel varistors, we produce NTC thermistors that protect battery packs from overheating.

Security & Access Control Resources