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    • 2. 发明授权
    • Simplified monitoring apparatus for sensors in motor vehicles
    • 汽车传感器简化监控装置
    • US4408289A
    • 1983-10-04
    • US218343
    • 1980-12-22
    • Bernward BoningRainer BoneRudolf NagelJens-Detlef Rubrecht
    • Bernward BoningRainer BoneRudolf NagelJens-Detlef Rubrecht
    • G01D3/08G01L23/22G01R23/15H03K5/20
    • G01L23/225G01D3/08G01R23/15
    • The leading edge of each pulse of an incoming signal sequence starts a first monostable multivibrator whose period is equal to the period of the pulse sequence when the pulse sequence has the desired frequency. The input signal sequence and the output signal from the multivibrator are applied to two inputs of an exclusive OR gate. The latter furnishes an output signal corresponding to the difference in pulse width between the signal applied to the two inputs. The leading edge of the difference signal then starts a second monostable multivibrator whose pulse width corresponds to the maximum allowable frequency deviation. The output signal of the second monostable multivibrator is applied to an inverting input of an AND gate. The direct input of the AND gate receives the difference signal. The AND gate, therefore, only furnishes an output signal when the difference signal has a greater pulse width than the output signal of the second multivibrator, i.e. when the frequency deviation in the incoming signal sequence exceeds the maximum permissible frequency deviation.
    • 输入信号序列的每个脉冲的前沿启动第一单稳态多谐振荡器,其周期等于当脉冲序列具有期望频率时脉冲序列的周期。 来自多谐振荡器的输入信号序列和输出信号被施加到异或门的两个输入。 后者提供对应于施加到两个输入的信号之间的脉冲宽度差的输出信号。 然后,差分信号的前沿开始第二个单稳态多谐振荡器,其脉冲宽度对应于最大允许频率偏差。 第二单稳态多谐振荡器的输出信号被施加到与门的反相输入端。 与门的直接输入接收差分信号。 因此,与门相比,当差分信号具有比第二多谐振荡器的输出信号更大的脉冲宽度时,即当输入信号序列中的频率偏差超过最大允许频率偏差时,才提供输出信号。
    • 3. 发明授权
    • Internal combustion engine combustion chamber pressure sensing apparatus
    • 内燃机燃烧室压力传感装置
    • US4491110A
    • 1985-01-01
    • US530482
    • 1983-09-09
    • Rainer BoneBernward BoningRudolf NagelFranz Sellmaier
    • Rainer BoneBernward BoningRudolf NagelFranz Sellmaier
    • F02D35/00F02D45/00F02P17/12G01L23/08G01L23/22G01N27/68F02P17/00
    • F02P17/12G01L23/085G01L23/22G01L23/221G01L23/225F02P2017/125F02P2017/128
    • To obtain higher current yield from ion current measurable across the electrodes of a spark plug upon application of a biasing potential thereto, occurring immediately after an ignition event due to ionization of burning hydrocarbons within the combustion chamber of an internal combustion engine (ICE), the polarity of the circuit including a spark plug is so selected that the smaller one of the electrodes, typically the center electrode of the spark plug, has a positive measuring voltage and positive ignition voltage applied thereto so that the positively charged ions, which have a substantially greater mass than the electrons, will be caused to flow to the negatively charged substantially greater electrode, thus resulting in an enhanced ion current. A standard automotive ignition circuit can be used, with the battery connected, as customary, with negative-ground (FIG. 3) by reversely connecting the secondary of the ignition coils--with respect to customary connection--to the center electrode of the spark plug. An auxiliary biasing battery can be avoided by charging a capacitor, for example from the ignition system, to provide measuring energy.
    • 为了在施加偏置电位时在火花塞的电极上测量的离子电流获得更高的电流产量,在由于内燃机(ICE)的燃烧室内的燃烧烃的电离引起的点火事件之后立即发生, 包括火花塞的电路的极性被选择为使得较小的电极(通常是火花塞的中心电极)具有正的测量电压和施加到其上的正点火电压,使得带正电的离子具有基本上 比电子更大的质量将被引导到带负电的基本上更大的电极,从而导致增强的离子电流。 可以使用标准的汽车点火电路,通常通过将点火线圈的次级相对于常规连接反向连接到火花塞的中心电极,通常将负载接地(图3)与负极连接(图3) 。 可以通过对电容器(例如从点火系统)充电来提供辅助偏置电池来提供测量能量。
    • 6. 发明授权
    • Internal combustion engine knock sensing system
    • 内燃机爆震传感系统
    • US4444172A
    • 1984-04-24
    • US389586
    • 1982-06-18
    • Franz SellmaierBernward BoningRudolf NagelRainer Bone
    • Franz SellmaierBernward BoningRudolf NagelRainer Bone
    • F02P5/152F02P5/153G01L23/22G01M15/00G01N27/60G01N27/68F02D9/00F02P5/14
    • G01L23/221G01L23/225
    • In order to eliminate from an ion current sensor signals which are not derived from knocking of an engine, the ion current sensor signal is evaluated by a high-pass - low-pass filter to filter out signals of frequencies extraneous to knocking frequencies, using, preferably, a digital filter including two timing stages (11, 13) connected to a counter; to inhibit response of the circuit, an interrupter switch (8) is included in the evaluation circuit, which is opened upon sensing of disturbance signals due to ignition events, for example upon occurrence of ignition, by setting a timing stage (20) which maintains the switch open, and thus inhibits evaluation of oscillatory signals from the ion current sensor (1) for the timing duration thereof. To store previously counted oscillatory signals, a further timing stage (21) can be provided, likewise connected to the ignition signal and enabled at the initiation of current flow through the primary of an ignition coil to prevent resetting of the counter for the timing duration thereof.
    • 为了从离子电流传感器中消除不是从发动机爆震中获得的信号,离子电流传感器信号由高通低通滤波器评估,以滤除与爆震频率无关的频率的信号, 优选地,包括连接到计数器的两个定时级(11,13)的数字滤波器 为了抑制电路的响应,断续器开关(8)包括在评估电路中,该断路器开关(8)包括在例如通过点火事件发生时感测到由于点火事件引起的干扰信号而被打开的情况下,通过设置保持的定时级(20) 开关断开,从而在其定时持续时间内抑制来自离子电流传感器(1)的振荡信号的评估。 为了存储先前计数的振荡信号,可以提供另外的定时级(21),同样连接到点火信号,并且在电流流过点火线圈的初级端时启用,以防止计时器在其定时持续时间内复位 。
    • 8. 发明授权
    • Evaluation circuit for electrical signals
    • 电信号评估电路
    • US4363979A
    • 1982-12-14
    • US209505
    • 1980-11-24
    • Gunter HonigJoachim BraungerImanuel KrauterRainer Bone
    • Gunter HonigJoachim BraungerImanuel KrauterRainer Bone
    • G01P3/46F02P7/067G01P3/488H03L5/00H03K9/06H03K13/02
    • F02P7/067
    • Signals from a coil producing pulses in response to flux variations produced by a rotary member driven by an engine crankshaft are applied in push-pull through series resistors to the inverting and non-inverting inputs of a comparator. A variable voltage divider for the input signals is provided by a pair of complementary transistors respectively connecting the comparator inputs to opposite poles of a fixed voltage supply. The comparator pulses charge a capacitor through a transistor, the capacitor being periodically discharged through a resistor, once per crankshaft revolution. An increase of capacitor voltage beyond a very small amount progressively lowers the resistances provided by the transistors connected to the comparator inputs, acting on one of them simply through a transistor and on the other through a transistor and a current mirror circuit. In order to compensate for the temperature dependent leakage current of the transistor driven by the comparator output in order to charge the capacitor, a second current mirror is provided that prevents charging of the capacitor during the blocked-condition of the transistor in question. A supplementary voltage divider is connected through isolating series resistors to set the d.c. level of the comparator inputs when the transistors connected to these inputs are non-conducting.
    • 来自线圈的信号响应于由发动机曲轴驱动的旋转部件产生的磁通变化而产生脉冲,通过串联电阻器被推到比较器的反相和非反相输入端。 用于输入信号的可变分压器由分别将比较器输入连接到固定电压源的相对极的一对互补晶体管提供。 比较器脉冲通过晶体管对电容器充电,电容器通过电阻周期性地放电,每转一次曲轴。 电容器电压超过非常小的量的增加逐渐降低了连接到比较器输入的晶体管提供的电阻,这些电阻简单地通过晶体管,另一个通过晶体管和电流镜电路作用在其中。 为了补偿由比较器输出驱动的晶体管的温度依赖性泄漏电流,以便为电容器充电,提供了第二电流镜,其在所讨论的晶体管的阻塞状态期间防止电容器的充电。 辅助分压器通过隔离串联电阻连接,设定直流电压。 当连接到这些输入的晶体管不导通时,比较器输入的电平。
    • 9. 发明授权
    • System and apparatus to determine the angular position, and speed of a
rotating shaft, particularly crank shaft of an internal combustion
engine
    • 用于确定旋转轴,特别是内燃机的曲轴的角位置和速度的系统和装置
    • US4356447A
    • 1982-10-26
    • US168210
    • 1980-07-10
    • Gunter HonigUwe KienckeRainer Bone
    • Gunter HonigUwe KienckeRainer Bone
    • F02D41/34F02P7/06G01D5/245G01P3/481G01P3/489G01P3/48G01P3/54
    • G01P3/489F02P7/061G01D5/2457G01P3/481F02D41/0097
    • To positively allocate output signals from a transducer scanning marker elements arranged at a uniform distance from the center of a rotating disk, the markers are located around the circumference of the disk in accordance with a predetermined pattern, for example, uniformly distributed 30.degree. apart, or distributed with uniformly increasing relative distances, and an additional market element (33) and forming a reference marker is located in the zones between adjacent markers spaced from a neighboring marker element (21) of the plurality of marker elements by a distance which is substantially larger than the angular distance with respect to the marker element at the other side of the reference marker. The outputs from a pick-up sensor are evaluated by applying the outputs to two counters, counting a different clock rate, the count output of one of the counters being stored and compared with a subsequent count state of the other counter operating at a higher clock rate. If the second counter has not reached the previously stored count, a positive indication that the sense marker as the reference marker is obtained, permitting a comparator to switch over a transfer switch to route the sensor output to a line indicating that the marker was the reference marker; if the faster-counting counter has, however, reached the count state of a slower counter in the prior cycle, an indication is obtained that the marker is a regularly recurring one, thus permitting control of the transfer of the output from the sensor to a routing line indicating that the marker is a regularly recurring one. The count rates are preferably sufficiently different to accomodate expected variations in speed of rotation of the disk within the recurrence time between adjacent markers.
    • 为了从从旋转盘的中心排列成一定距离的换能器扫描标记元件积极地分配输出信号,标记物按照预定的图案位于圆周的圆周周围,例如均匀分布30°, 或以均匀增加的相对距离分布,并且另外的市场元件(33)和形成参考标记位于相邻标记之间的区域中,所述区域与多个标记元件的相邻标记元件(21)间隔开一段距离, 大于在参考标记的另一侧相对于标记元件的角距离。 来自拾取传感器的输出通过将输出应用于两个计数器,对不同的时钟速率进行计数,计数器的计数输出被存储并与在较高时钟操作的另一个计数器的后续计数状态进行比较 率。 如果第二计数器未达到先前存储的计数,则获得作为参考标记的感测标记的肯定指示,允许比较器切换转换开关以将传感器输出路由到指示标记为参考的线 标记 然而,如果较快计数计数器已经达到了前一周期中较慢计数器的计数状态,则获得指示符是经常循环的标记,从而允许控制传感器的输出到 路由行指示标记是定期重复的标记。 优选地,计数率足够不同以适应在相邻标记之间的复发时间内盘的旋转速度的预期变化。