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    • 1. 发明授权
    • Electric fence energiser
    • 电动扶梯
    • US07893521B2
    • 2011-02-22
    • US11242724
    • 2005-10-03
    • Pieter Cornelis LunenburgRobert Charles Bryan WoodheadJohn Murphy
    • Pieter Cornelis LunenburgRobert Charles Bryan WoodheadJohn Murphy
    • H01L27/06H02M3/18
    • H05C1/04
    • An energiser for an electric fence. The energiser includes, at least, one energy storage capacitor (14), a charging circuit (13) to enable the or each storage capacitor (14) to be charged from an energy source (10), semiconductor switching means (16), and control circuit means (15) to facilitate controlled turning -on and -off of the semiconductor switching means (16) to control the duration of the discharge from the energy storage means (14). In one form of the energiser a first semi-conductor switching means is arranged to connect in parallel the energy storage capacitors (14) to be charged and second semi-conductor switching means to connect two or more of the charged energy storage capacitors (14) in series to create an output pulse.
    • 电动围栏的活力。 能量器至少包括一个储能电容器(14),一个充电电路(13),用于使能量或每个存储电容器(14)从能量源(10),半导体开关装置(16)和 控制电路装置(15),以便于控制半导体开关装置(16)的导通和关断,以控制从能量存储装置(14)的放电持续时间。 在激励器的一种形式中,第一半导体开关装置被布置为并联连接待充电的储能电容器(14)和第二半导体开关装置,以连接两个或更多个充电的能量存储电容器(14) 串联产生输出脉冲。
    • 2. 发明授权
    • Data transmission
    • 数据传输
    • US06847298B2
    • 2005-01-25
    • US10025604
    • 2001-12-26
    • Pieter Cornelis LunenburgRobert Charles Bryan Woodhead
    • Pieter Cornelis LunenburgRobert Charles Bryan Woodhead
    • G08B15/00G08B13/26
    • H04L25/0266G08B15/005
    • A data transmission system which is particularly useful for a remote control apparatus for an electric fence. The apparatus includes a portable hand held housing with a contact 16 which in use can contact a conductor of an electric fence line. The output of the apparatus includes a resonating circuit with inductor L, transformer 14 and a small high voltage capacitor C2. The apparatus can thus generate information embedded within a series of short signal bursts of a frequency within a predetermined frequency range. A receiver coupled to or forming part of an electric fence energizer can receive a signal from the apparatus to control operation of the energizer.
    • 一种对于电动围栏的遥控装置特别有用的数据传输系统。 该装置包括具有接触件16的便携式手持壳体,触点16在使用中可接触电动栅栏线的导体。 该装置的输出包括具有电感器L,变压器14和小型高压电容器C2的谐振电路。 因此,该装置可以生成嵌入在预定频率范围内的频率的一系列短信号脉冲串内的信息。 耦合到或形成电栅栏激励器的一部分的接收器可以接收来自装置的信号以控制激励器的操作。
    • 3. 发明授权
    • Electric fence energizer
    • 电动扶梯
    • US6020658A
    • 2000-02-01
    • US952053
    • 1997-11-10
    • Robert Charles Bryan WoodheadJohn Talbot BoysAndrew William Green
    • Robert Charles Bryan WoodheadJohn Talbot BoysAndrew William Green
    • H05C1/04
    • H05C1/04
    • An energy-efficient energizer for an electric fence for controlling livestock or the like, includes an output voltage sensor. By switching to extra storage capacitance and/or altering the charge voltage the energizer varies the duration of the output pulse and perhaps also the pulse voltage according to the sensed output, thus maintaining an effective livestock barrier and consuming high power only when required. Output pulses are about 8 kV (no load) down to 4 kV (wide range of loads). The control algorithm determines the capacitor charging time and initiates a charge sooner if a higher power pulse is to be delivered, so maintaining a constant pulse rate. The energizer includes a 12V DC power option and has a circuit for synthesizing a substantially unipolar pulse having low harmonic content.
    • PCT No.PCT / NZ96 / 00040 Sec。 371日期:1997年11月10日 102(e)1997年11月10日PCT PCT 1996年5月10日PCT公布。 出版物WO96 / 36203 日期:1996年11月14日用于控制牲畜等的电动围栏的节能赋能器包括输出电压传感器。 通过切换到额外的存储电容和/或改变充电电压,激发器根据所感测的输出来改变输出脉冲的持续时间,也可以改变脉冲电压,因此仅在需要时保持有效的家畜屏障并消耗高功率。 输出脉冲为8 kV(无负载)低至4 kV(宽范围的负载)。 控制算法确定电容器充电时间,并且如果要传送较高的功率脉冲,则更快地启动电荷,从而保持恒定的脉冲速率。 激发器包括12V直流电源选项,并且具有用于合成基本上具有低谐波含量的单极性脉冲的电路。
    • 4. 发明授权
    • Pulse generator for electric fences
    • 电动栅栏脉冲发生器
    • US5767592A
    • 1998-06-16
    • US693168
    • 1996-08-14
    • John Talbot BoysAndrew William GreenRobert Charles Bryan Woodhead
    • John Talbot BoysAndrew William GreenRobert Charles Bryan Woodhead
    • H03K3/57H03K17/80H05C1/04
    • H03K3/57H03K17/80H05C1/04
    • A circuit (700) for an electric fence energizer (examples are 6 or 24 Joule versions) which synthesizes a pulse having a raised cosine waveform at a first or bus voltage uses a ferrite-cored output transformer (701) to multiply the voltage of the pulse to the required level. A raised cosine waveform has a low harmonic content and little filtering of high-power pulses is required in order to minimize electromagnetic emissions. On closure of a switch (707) in series with an inductor (705) a first capacitor bank (703) commences charging a second smaller capacitor bank (704) in parallel with the output primary and after the peak of the pulse any remaining charge is dissipated in a resistor (708) with the aid of a saturable inductor (702), acting as a switch. The saturable inductor may be the output transformer itself for lower output energizers. The output exhibits little or any reversal of polarity when matched to its load. The circuit may also be useful for applications such as strobe flashers in aircraft.
    • PCT No.PCT / NZ94 / 00113 Sec。 371日期:1996年8月14日 102(e)日期1996年8月14日PCT 1994年10月18日PCT PCT。 出版物WO95 / 11550 日期1995年04月27日在第一或总线电压下合成具有升余弦波形的脉冲的电气栅栏激励器(例如6或24焦耳版)的电路(700)使用铁氧体磁芯输出变压器(701) 将脉冲的电压乘以所需的电平。 升余弦波具有低谐波含量,并且需要很少的高功率脉冲滤波以便最小化电磁辐射。 在关闭与电感器(705)串联的开关(707)时,第一电容器组(703)开始对与输出初级并联的第二较小电容器组(704)充电,并且在脉冲峰值之后,任何剩余电荷为 借助于作为开关的可饱和电感器(702)在电阻器(708)中消散。 可饱和电感可能是输出变压器本身用于较低输出的激励器。 当与其负载匹配时,输出极少或任何反转极性。 该电路也可用于诸如飞机中的闪光灯闪光灯的应用。