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    • 31. 发明授权
    • Thermal compensation control for a motor starter
    • 电机启动器的热补偿控制
    • US06297607B1
    • 2001-10-02
    • US09505940
    • 2000-02-15
    • James A. Becker
    • James A. Becker
    • H02H504
    • H02H7/0852H02H7/0816H02M1/32H02M2001/327H02P29/68
    • A motor starter thermal-compensation control is disclosed in which an ambient temperature sensor is positioned to sense ambient temperature and provide an ambient temperature signal in a motor starter. Additional temperature sensors are mounted in thermal communication with each bus bar in a motor starter and to monitor the temperature of each pole. A microprocessor is connected to each of the temperature sensors and periodically receives the temperature signals to monitor change in operating temperature of the motor starter. The control adjusts the output of the motor starter based on the change in the operating temperature so as to maintain a constant output as the ambient temperature increases, or the internal resistance of the device increases with temperature increase. In order to adjust the output, the system increases the FLA ampacity to compensate for the temperature increase. If the ampacity reaches the device's limits, the starter is prevented from engaging the motor with the power supply until it has sufficiently cooled down. The control calculates an estimated cool down time and displays the cool down time to prevent unnecessary start attempts during cool down.
    • 公开了一种电动机启动器热补偿控制,其中定位环境温度传感器以感测环境温度并在电动机起动器中提供环境温度信号。 额外的温度传感器与电机启动器中的每个汇流条热连接,并监控每个极点的温度。 微处理器连接到每个温度传感器,并周期性地接收温度信号以监测电动机启动器的工作温度变化。 该控制器根据工作温度的变化来调节电动机起动器的输出,以便在环境温度升高时保持恒定的输出,或者随着温度的升高,装置的内部电阻增加。 为了调整输出,系统增加了FLA载流量以补偿温度升高。 如果载流量达到设备的极限,则防止启动器将电机与电源接合,直到其充分冷却。 控制器计算估计的冷却时间,并显示冷却时间,以防止在冷却期间不必要的启动尝试。
    • 36. 发明授权
    • Method and apparatus for protection of batteries
    • 蓄电池保护方法及装置
    • US06804100B2
    • 2004-10-12
    • US09752003
    • 2000-12-29
    • Jari Astala
    • Jari Astala
    • H02H504
    • H02J7/0029
    • The invention relates to a protection circuit (30) which includes at least one switch (FET1, FET2) including at least one control means (G1, G2) for adjusting the conductivity of the at least one switch (FET1, FET2). The conductivity is arranged to be adjustable by means of an electrical control conducted to the control means (G1, G2). The protection circuit (30) includes means (22, 25, 26) for forming the electrical control, means (27, 28) for measuring at least one physical quantity affecting at least one switch (FET1, FET2), means (10) for providing information about the dependence of the conductivity properties of the at least one switch (FET1, FET2) on the at least one physical quantity, means (29) for determining the conductivity of the at least one switch (FET1, FET2) on the basis of the at least one physical quantity and the conductivity properties of the at least one switch (FET1, FET2) and means (29, 27) for determining the current (ITOT) conducted through the at least one switch (FET1, FET2) at least partly on the basis of the conductivity. Thus, the electrical control is arranged to be formed at least partly on the basis of the determined current.
    • 本发明涉及一种保护电路(30),其包括至少一个开关(FET1,FET2),该开关包括用于调节至少一个开关(FET1,FET2)的电导率的至少一个控制装置(G1,G2)。 电导率被布置成可以通过控制装置(G1,G2)的电气控制来调节。 保护电路(30)包括用于形成电气控制的装置(22,25,26),用于测量影响至少一个开关(FET1,FET2)的至少一个物理量的装置(27,28),用于 提供关于所述至少一个开关(FET1,FET2)的电导率特性对所述至少一个物理量的依赖性的信息,用于基于所述至少一个开关(FET1,FET2)确定所述至少一个开关(FET1,FET2)的电导率的装置 所述至少一个开关(FET1,FET2)的至少一个物理量和导电性能和用于确定至少一个开关(FET1,FET2)传导的电流(ITOT)的装置(29,27)至少 部分基于导电性。 因此,电控制被布置成至少部分地基于所确定的电流形成。
    • 39. 发明授权
    • Battery protection by a sequential blowing fuse
    • 电池保护通过顺序吹风保险丝
    • US06710995B2
    • 2004-03-23
    • US09996270
    • 2001-11-28
    • Horst Knoedgen
    • Horst Knoedgen
    • H02H504
    • H02J7/0031H02J2007/0037
    • A battery protection circuit for use between a battery output and a load is achieved. The circuit comprises, first, a plurality of fused cells coupled in parallel between the battery output and the load. Each fused cell comprises, first, a fuse having first and second terminals where the first terminal is coupled to a battery output. Second, a means having zener effect has a p terminal and an n terminal. The p terminal is coupled to the second terminal of the fuse. Finally, a cell switch having first and second terminals completes each fused cell. The cell switch first terminal is coupled to the second terminal of the fuse, and the cell switch second terminal is coupled to the n terminal of the diode to form a cell output. Finally, the battery protection circuit comprises a shorting switch, that may comprise a MOS transistor that exhibits punch through, that is coupled between the load and each fused cell output. The current source second terminal is coupled to ground. Finally, a switch is coupled between the plurality of diode-connected MOS transistors output and the current source first terminal. The plurality of fused cells forms a large current rating fuse that can be blown at a small current rating during error conditions using a sequential blowing technique.
    • 实现了在电池输出和负载之间使用的电池保护电路。 该电路首先包括多个并联在电池输出和负载之间的融合单元。 每个融合单元首先包括具有第一和第二端子的熔丝,其中第一端子耦合到电池输出端。 第二,具有齐纳效应的装置具有p端子和n端子。 p端子耦合到熔丝的第二端子。 最后,具有第一和第二终端的小区交换机完成每个融合小区。 单元开关第一端子耦合到熔丝的第二端子,并且单元开关第二端子耦合到二极管的n端以形成单元输出。 最后,电池保护电路包括短路开关,其可以包括呈现穿通的MOS晶体管,其耦合在负载和每个融合单元输出之间。 电流源第二端子接地。 最后,开关耦合在多个二极管连接的MOS晶体管输出端和电流源第一端子之间。 多个熔融电池形成大的额定电流熔断器,其可以在使用顺序吹制技术的误差条件下以小额定电流进行吹制。
    • 40. 发明授权
    • Overload protector structure of extension cord receptacle
    • 延长线插座的过载保护器结构
    • US06697246B2
    • 2004-02-24
    • US09862606
    • 2001-05-23
    • Chyong-yen Huang
    • Chyong-yen Huang
    • H02H504
    • H01R25/003H01R13/7137
    • The present invention relates to an overload protector structure of an extension cord receptacle that mainly comprised a fire wire conducting plate of a switching unit (or a receptacle unit) connected with an overload protector in the extension cord receptacle to extend properly, the overload protector has a housing member, a power input plate exposed at the said housing member, a temperature sensing plate is fixedly connected to an inner end of the power input plate, the said overload protector further penetrates outward through a slot channel from a contact point, the fire wire conducting plate can fitly extend into the said slot channel and contacts with the contact point of the temperature sensing plate, thereby, the effectiveness of rapid connection and eliminating the soldering joint point is possessed between the overload protector and the switch unit (or the receptacle unit).
    • 本发明涉及一种延长线插座的过载保护器结构,其主要包括与延长线插座中的过载保护器连接以便适当延伸的开关单元(或插座单元)的火线导电板,过载保护器具有 壳体构件,暴露在所述壳体构件处的动力输入板,温度感测板固定地连接到动力输入板的内端,所述过载保护器进一步从接触点穿过狭槽通道向外穿过,火 导线板可以适当地延伸到所述槽通道中并与温度感测板的接触点接触,从而在过载保护器和开关单元(或插座)之间具有快速连接和消除焊点的有效性 单元)。