前端采集插头接收测试数据，切换继电器电路传递被测电路板信号。
Testing data is received with data acquisition plug, signal from tested circuit board is transferred by circuit of switch relay.
许多矩阵切换系统采用了三极保护继电器和配线。
Many matrix switching systems use three-pole guarded relays and wiring.
如果切换电流太高，造成的温度升高和接触电弧将会劣化继电器并缩短接触寿命。
If the switched current is too high, the resulting temperature increase and contact arcing will degrade the relay and shorten the contact life.
切换电流是指继电器在开路和闭合触点时能可靠处理的最大电流。
Switched current is the maximum current that can be handled reliably while opening and closing contacts.
对于相对较大的继电器，为了确保触点良好闭合，也可能必须采用热切换。
With relatively large relays, it is even possible that hot switching must be used to ensure good contact closure.
敞开的继电器会使潮湿空气进入切换区域，而密闭继电器从出厂时其内部环境就是受控的。
Open relays allow ambient air into the switching area, while sealed re lays contain a controlled internal environment from the manufacturer.
许多电子测试系统采用继电器切换的方式将多个装置连接到源和测量仪器。
Many electronic test systems use relay switching to connect multiple devices to sources and measurement instruments.
了解继电器的配置对于切换系统的设计是非常关键的。
An understanding of how relays are configured is critical to designing a switching system.
信号切换和变换板由JZX - 18f继电器和WB系列电量传感器组成。
Signal switch circuit board is composed of JZX-18F relay and WB series sensors.
在多点温度巡回检测系统中，多路切换部件干簧继电器接触电阻的变化是影响系统精度的主要因素。
In multiple-channel scanning thermometrical system, the change of connecting resistance of tongue relay is the main factor which influences the system precision.
尽管在比较激励时间时这类继电器是最快的切换元件，但释放或关断时间却比较长。
Although these are the fastest switching elements when actuation times are compared, the release, or turnoff time, is long.
介绍了一种能够可靠切换混合动力汽车高电压、直流电机负载的继电器解决方案。
This text introduces a relay solution of reliably switching high-voltage DC motor load for Hybrid Electric Vehicle.
对受端继电器，提出仅利用保护安装处的电压变化值构成同相点切换判据，可以有效降低系统参数的影响。
For the receiving end, a new switching criterion based on the bus voltage is described, which is immune to the system parameters.
操作表示机是计算机联锁系统中关键的人机界面设备，硬件上利用继电器组成的逻辑电路，实现双机热备的倒机逻辑控制和设备接口电缆的动态切换。
Therefore it is necessary to perfect the existing relay equipment based on the rule of fault-safety in order to achieve the function of railway signal computer-based interlocking control system.
选择性：继电器对诸如系统瞬间切换或负载突变之类的无害的异常情况不作反应。
Selectivity: The relay must not respond to abnormal, but harmless, system conditions such as switching transients or sudden changes in load.
要切换到压缩机，可以通过电流接触器开关，继电器或者双向可控硅来控制电流盒或者电路板。
Control electric box or circuit board with contactor, relay, or triac that switches to the compressor.
对于稳定低接触电阻、低电容、高绝缘电阻、长寿命和小组装尺寸的切换应用而言，干簧继电器为最理想的选择。
Reed relays are ideal for applications requiring low and stable contact resistance, low capacitance, high insulation resistance, long life and small package size.
利用微型继电器接点切换检测法等方法研制了镉镍蓄电池故障检测仪，对直流系统实施在线检测。
Making use of micro-relay contacts transfer detection, technique we developed a cadmium-nickel storage batter fault detector.
继电器板卡用于旋放外部工作环境的自动切换；
干簧继电器也适于如高射频切换、极低电压和电流切换的特殊应用场合。
They are also suitable for high RF switching and low current switching.
干簧继电器也适于如高射频切换、极低电压和电流切换的特殊应用场合。
They are also suitable for high RF switching and low current switching.
应用推荐