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1. 发明专利

JP2008256723A Output correction device of cylinder internal pressure sensor and cylinder internal pressure detecting device having device 审中-公开
标题翻译：气缸内部压力传感器和气缸内部压力检测装置的输出校正装置
公开(公告)号：JP2008256723A
公开(公告)日：2008-10-23
申请号：JP2008194282
申请日：2008-07-29
申请人： Ngk Spark Plug Co Ltd , 日本特殊陶業株式会社
发明人： HIGUCHI YUZO , TSUJIMURA YOSHINORI
IPC分类号： G01L23/22 , G01L9/00
摘要： PROBLEM TO BE SOLVED: To provide an output correction device capable of correcting an offset drift of a cylinder internal pressure sensor, and a cylinder internal pressure detecting device capable of accurately detecting cylinder internal pressure of an internal combustion engine by using this device.
SOLUTION: This cylinder internal pressure detecting device 12 has a detecting circuit part 200 for detecting a change in resistance of a piezoresistance element 138 as an electric signal, an amplification circuit part 201 for amplifying and outputting this electric signal, and a correction circuit part 202 correcting this output value. The correction circuit part 202 is composed of a reset control part 205 for resetting the output value of the amplification circuit part 201 to a reference value, and a reset timing detecting part 206 for determining its timing. The reset timing detecting part 206 measures its waveform period based on an output waveform outputted from the amplification circuit part 201, and calculates the reset timing based on this waveform period, and outputs a reset signal to the reset control part 205 in this timing.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够校正气缸内部压力传感器的偏移漂移的输出校正装置和能够通过使用该装置来精确地检测内燃机的气缸内部压力的气缸内部压力检测装置。解决方案：该气缸内压检测装置12具有用于检测作为电信号的压电元件138的电阻变化的检测电路部200，放大并输出该电信号的放大电路部201，电路部分202校正该输出值。校正电路部分202由用于将放大电路部分201的输出值重置为参考值的复位控制部分205和用于确定其定时的复位定时检测部分206组成。复位定时检测部206基于从放大电路部201输出的输出波形测量其波形周期，并根据该波形周期计算复位定时，并且在该定时将复位信号输出到复位控制部205。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2014190844A Sensor control device, sensor control system, and a sensor control method 有权
标题翻译：传感器控制装置，传感器控制系统和传感器控制方法
公开(公告)号：JP2014190844A
公开(公告)日：2014-10-06
申请号：JP2013066737
申请日：2013-03-27
申请人： Ngk Spark Plug Co Ltd , 日本特殊陶業株式会社
发明人： HIGUCHI YUZO , INAGAKI HIROSHI
IPC分类号： G01N27/41
CPC分类号： G01M15/106
摘要： PROBLEM TO BE SOLVED: To provide a sensor control device, a sensor control system, and a sensor control method which are capable of improving the correction accuracy even in the case of dynamic variation in pressure of a measurement object gas.SOLUTION: The sensor control device includes: an arithmetic unit 38 which receives a sensor output signal Ip outputted from a gas sensor 10 in accordance with a concentration of a specific gas component and a pressure signal P outputted from a pressure sensor 20 for measuring a pressure of a gas and calculates a specific component concentration which is the concentration of the specific gas component and is obtained by compensating for an influence of the pressure of the gas included in the sensor output signal Ip on the basis of the pressure signal P; and response adjustment units 34 and 36 which adjust response speeds of values of the respective signals to the change in pressure of the gas before input of the sensor output signal Ip and the pressure signal P to the arithmetic unit 38 and perform such adjustment that one of the sensor output signal Ip and the pressure signal P, which has a higher response speed, is brought closer to the other having a lower response speed.
摘要翻译：要解决的问题：提供即使在测量对象气体的压力的动态变化的情况下也能够提高校正精度的传感器控制装置，传感器控制系统和传感器控制方法。解决方案：传感器控制装置包括：算术单元38，其根据特定气体成分的浓度和从用于测量气体压力的压力传感器20输出的压力信号P接收从气体传感器10输出的传感器输出信号Ip，并计算作为特定气体成分的浓度的特定成分浓度，通过基于压力信号P补偿传感器输出信号Ip所包括的气体的压力的影响而得到的特定成分浓度; 以及响应调整单元34和36，其将传感器输出信号Ip和压力信号P输入到运算单元38之前将各个信号的值的响应速度调整为气体的压力变化，并进行这样的调整：具有较高响应速度的传感器输出信号Ip和压力信号P被接近于具有较低响应速度的另一个。

3. 发明专利

JP2014190843A Sensor control device and gas detection system 有权
标题翻译：传感器控制装置和气体检测系统
公开(公告)号：JP2014190843A
公开(公告)日：2014-10-06
申请号：JP2013066736
申请日：2013-03-27
申请人： Ngk Spark Plug Co Ltd , 日本特殊陶業株式会社
发明人： HIGUCHI YUZO , KAMIMURA TOMONORI
IPC分类号： G01N27/419
CPC分类号： G01N27/417
摘要： PROBLEM TO BE SOLVED: To provide a sensor control device and a gas detection system which are capable of suppressing degradation in detection accuracy of a sensor output signal and a response signal in a configuration where the respective signals are read.SOLUTION: A sensor control device 2 of a gas detection system 1 includes a first low-pass filter 46, a second low-pass filter 48, and a multiplexer 50 and switches a time constant when detecting a sensor output signal Vs1 and a time constant when detecting a response signal Vs2, to different values, respectively. Since a signal having the same frequency band as that of the sensor output signal Vs1 is input to an analog-digital conversion unit 31 via the first low-pass filter 46 when the sensor output signal Vs1 is detected, the detection accuracy of the sensor output signal Vs1 is improved. Since a signal having the same frequency band as that of the response signal Vs2 is input to the analog-digital conversion unit 31 via the second low-pass filter 48 when the response signal Vs2 is detected, the detection accuracy of the response signal Vs2 is improved.
摘要翻译：要解决的问题：提供一种传感器控制装置和气体检测系统，其能够抑制在读取各个信号的配置中的传感器输出信号和响应信号的检测精度的劣化。解决方案：传感器控制装置 2的气体检测系统1包括第一低通滤波器46，第二低通滤波器48和多路复用器50，并且当检测到传感器输出信号Vs1时检测时间常数，当检测到响应信号Vs2时切换时间常数，分别到不同的值。由于当检测到传感器输出信号Vs1时，经由第一低通滤波器46将具有与传感器输出信号Vs1相同的频带的信号输入到模拟数字转换单元31，所以传感器输出的检测精度信号Vs1得到改善。由于当检测到响应信号Vs2时，经由第二低通滤波器48将具有与响应信号Vs2相同的频带的信号输入到模拟数字转换单元31，所以响应信号Vs2的检测精度为改进。

4. 发明专利

JP2011099678A Pressure detection device 有权
标题翻译：压力检测装置
公开(公告)号：JP2011099678A
公开(公告)日：2011-05-19
申请号：JP2009252536
申请日：2009-11-03
申请人： Ngk Spark Plug Co Ltd , 日本特殊陶業株式会社
发明人： MATSUOKA TOSHIYUKI , HIGUCHI YUZO , TSUJIMURA YOSHINORI , KOJIMA TAKIO
IPC分类号： G01L9/00 , G01L19/04
摘要： PROBLEM TO BE SOLVED: To provide a pressure detection device capable of precisely detecting a detection pressure Pp by properly canceling resistance value variation of a pressure-sensitive resistor due to temperature variation. SOLUTION: A glow plug 100 with tube inner pressure sensor includes a Si element 130 including the pressure-sensitive resistor 131 having a first resistance value r1 thereof varied in response to the variation of the tube inner pressure Pp and a temperature T and a thermosensitive resistor 133 having a second resistance value r2 thereof varied in response to mainly the variation of the temperature T. The glow plug further includes pressure signal generation output means 205, 207, 209 generating and outputting a pressure signal Spp in response to an element pressure Ps on the basis of a third resistance value r3 of a first synthetic resistor 131 and a fourth resistance value r4 of a second synthetic resistor 212. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过适当地消除由于温度变化导致的压敏电阻器的电阻值变化而能够精确地检测检测压力Pp的压力检测装置。解决方案：具有管内压力传感器的电热塞100包括Si元件130，Si元件130包括响应于管内压力Pp和温度T的变化而变化的第一电阻值r1的压敏电阻器131和具有第二电阻值r2的热敏电阻器133主要响应于温度T的变化而变化。电热塞还包括压力信号产生输出装置205,207,209，响应于元件产生和输出压力信号Spp 基于第一合成电阻器131的第三电阻值r3和第二合成电阻器212的第四电阻值r4的压力Ps。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2014055865A Gas sensor 有权
标题翻译：气体传感器
公开(公告)号：JP2014055865A
公开(公告)日：2014-03-27
申请号：JP2012201107
申请日：2012-09-13
申请人： Ngk Spark Plug Co Ltd , 日本特殊陶業株式会社
发明人： HIGUCHI YUZO , KAMIMURA TOMONORI
IPC分类号： G01N27/409 , G01N27/41
摘要： PROBLEM TO BE SOLVED: To provide a gas sensor which houses a sensor element having a heater and a circuit board in the same housing part and prevents overheating of the circuit board.SOLUTION: A gas sensor comprises: a sensor element 10 having a detection part 11 and a heater 200; a circuit board 20 mounted with processing means 20A for processing output signals from the sensor element and heater energization control means 20B for controlling the energization of the heater so as to maintain the temperature of the sensor element at a first temperature during a detection period of concentration of a specific gas by the sensor element; and a housing part 60 which houses the sensor element and the circuit board. On the circuit board, a temperature sensor 25 and threshold value determination means 20C for determining whether the temperature of the circuit board exceeds a threshold value are mounted. If it is determined that the temperature of the circuit board exceeds the threshold value, the heater energization control means stops the energization of the heater or forcibly controls the energization of the heater so that the temperature of the circuit board becomes lower than the threshold value.
摘要翻译：要解决的问题：提供一种气体传感器，其将具有加热器和电路板的传感器元件容纳在同一壳体部分中并防止电路板的过热。解决方案：气体传感器包括：传感器元件10，其具有检测部分 11和加热器200; 安装有处理装置20A的电路板20，用于处理来自传感器元件的输出信号和加热器通电控制装置20B，用于控制加热器的通电，以便在浓度检测期间将传感器元件的温度保持在第一温度的传感器元件的特定气体; 以及容纳传感器元件和电路板的壳体部60。在电路板上安装用于确定电路板的温度是否超过阈值的温度传感器25和阈值确定装置20C。如果确定电路板的温度超过阈值，则加热器通电控制装置停止加热器的通电或强制地控制加热器的通电，使得电路板的温度变得低于阈值。

6. 发明专利

JP2010107500A Pressure detection apparatus 审中-公开
标题翻译：压力检测装置
公开(公告)号：JP2010107500A
公开(公告)日：2010-05-13
申请号：JP2009215982
申请日：2009-09-17
申请人： Ngk Spark Plug Co Ltd , 日本特殊陶業株式会社
发明人： MATSUOKA TOSHIYUKI , HIGUCHI YUZO , TSUJIMURA YOSHINORI , KOJIMA TAKIO
IPC分类号： G01L9/00
CPC分类号： G01L23/18 , G01L9/065 , G01L23/22
摘要： PROBLEM TO BE SOLVED: To provide a pressure detecting apparatus capable of detecting pressure or a detected object with full accuracy, which has a pressure-sensitive resistor the resistance value change of which, depending on the change of the temperature, is offset appropriately. SOLUTION: A glow plug 100 with a tube inner pressure sensor includes a pressure-sensitive resistor 131 resistance value of which varies corresponding to pressure P and temperature T, a temperature-sensitive resistor 133 the resistance value of which varies corresponding to temperature T, a first constant-current source 202 flowing first constant current i1 to pressure-sensitive resistor, and a second constant-current source 203 flowing second constant current i2 to temperature-sensitive resistor; and if pressure P is assumed as a predetermined pressure Po, flows the first constant-current i1 and the second constant-current i2 of the same magnitude., in which a reference first voltage Vpo generated in the pressure-sensitive resistor and a reference second voltage Vto that is generated in the temperature-sensitive resistor become equal to each other. Moreover, based on a difference voltage (Vp-Vt) between the first voltage Vp generated in the pressure-sensitive resistor, corresponding to the pressure P and the second voltage Vt generated in the temperature-sensitive resistor, the glow plug with a tube inner pressure sensor is equipped with a pressure signal generation output means for outputting the first voltage signal Spp corresponding to the pressure P. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够以全部精度检测压力或检测对象的压力检测装置，其具有压敏电阻器，其电阻值变化取决于温度的变化被偏移适当。解决方案：具有管内压力传感器的电热塞100包括对应于压力P和温度T变化的压敏电阻器131的电阻值，温度敏感电阻器133的电阻值对应于温度变化 T，将第一恒定电流i1流向压敏电阻器的第一恒定电流源202和将第二恒定电流i2流到温度敏感电阻器的第二恒流源203; 并且如果压力P被假设为预定压力Po，则流过相同幅度的第一恒定电流i1和第二恒定电流i2，其中在压敏电阻器中产生的参考第一电压Vpo和参考第二电压Vpo 在温度敏感电阻器中产生的电压Vto变得彼此相等。此外，基于在压敏电阻器中产生的对应于压力P的第一电压Vp与在感温电阻器中产生的第二电压Vt之间的差电压（Vp-Vt），具有管内部的电热塞压力传感器配备有压力信号生成输出装置，用于输出对应于压力P的第一电压信号Spp。（C）2010，JPO＆INPIT

7. 发明专利

JP2009229329A Output correction device for cylinder pressure sensor and cylinder pressure detecting device provided therewith 审中-公开
标题翻译：用于气缸压力传感器的输出校正装置和提供给它的气缸压力检测装置
公开(公告)号：JP2009229329A
公开(公告)日：2009-10-08
申请号：JP2008076961
申请日：2008-03-25
申请人： Ngk Spark Plug Co Ltd , 日本特殊陶業株式会社
发明人： HIGUCHI YUZO , TSUJIMURA YOSHINORI
IPC分类号： G01L19/04 , G01L23/22
摘要： PROBLEM TO BE SOLVED: To provide an output correction device which can correct the offset drift of a cylinder pressure sensor and a cylinder pressure detecting device which uses it and can detect the cylinder pressure of an internal combustion engine with high precision.
SOLUTION: The cylinder pressure detecting device 12 includes a detection section 203 for detecting a change in the resistance of a piezoelectric element 138 as an electric signal, a correction circuit section 204 for correcting it and outputting it to the outside, and a temperature detection element 201 for detecting the temperature of the piezoelectric element 138. The correction circuit section 204 includes a temperature detection element 210 for detecting the temperature of the correction circuit section 204, a reset circuit section 215 for resetting the output value of the electric signal output from the detection section 203 to be a standard value, and a span correction section 217 for adjusting the amplification factor of an electric signal output from the reset circuit section 215 in accordance with the output values of the temperature detection elements 201, 210.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种输出校正装置，其可以校正气缸压力传感器的偏移漂移和使用它的气缸压力检测装置，并且可以高精度地检测内燃机的气缸压力。气缸压力检测装置12包括用于检测作为电信号的压电元件138的电阻变化的检测部分203，用于校正它并将其输出到外部的校正电路部分204，以及用于检测压电元件138的温度的温度检测元件201.校正电路部分204包括用于检测校正电路部分204的温度的温度检测元件210，用于复位电信号的输出值的复位电路部分215 从检测部203输出为标准值，以及量程校正部217，用于根据温度检测元件201,210的输出值调整从复位电路部215输出的电信号的放大率。 P>版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2008216223A Output correction device for cylinder pressure sensor and cylinder pressure detector having same 审中-公开
标题翻译：用于气缸压力传感器和缸筒压力检测器的输出校正装置
公开(公告)号：JP2008216223A
公开(公告)日：2008-09-18
申请号：JP2007058069
申请日：2007-03-08
申请人： Ngk Spark Plug Co Ltd , 日本特殊陶業株式会社
发明人： HIGUCHI YUZO , TSUJIMURA YOSHINORI
IPC分类号： G01L23/26 , G01L27/00
摘要： PROBLEM TO BE SOLVED: To provide an output correction device capable of correcting the offset lift of a cylinder pressure sensor and a cylinder pressure sensor capable of accurately detecting the cylinder pressure of an internal combustion engine using the output correction device.
SOLUTION: The cylinder pressure detector 12 includes a detection circuit part 200 for detecting, as an electric signal, a variation in the resistance of a piezoresistance element 138, an amplifying circuit part 201 for amplifying and outputting the electric signal, and a correction circuit part 202 for correcting the output value. The correction circuit part 202 includes a reset control part 205 for resetting the output value of the amplifying circuit part 201 to the reference value, and a reset timing detection part 206 for providing the timing of the reset. The reset timing detection part 206 measures the amount of the variation of the output value according to the output waveform output from the amplifying circuit part 201 at predetermined time intervals, determines whether the amount of the variation measured is equal to or less than a predetermined value or not. When the amount of the variation is determined to be less than the predetermined value, it outputs a reset signal to the reset control part 205.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够校正气缸压力传感器的偏移升程和能够使用输出校正装置精确地检测内燃机的气缸压力的气缸压力传感器的输出校正装置。气缸压力检测器12包括检测电路部分200，用于检测压阻元件138的电阻变化，放大和输出电信号的放大电路部分201作为电信号;以及校正电路部分202，用于校正输出值。校正电路部分202包括用于将放大电路部分201的输出值复位为参考值的复位控制部分205和用于提供复位定时的复位定时检测部分206。复位定时检测部206根据从放大电路部201输出的输出波形以预定的时间间隔测量输出值的变化量，确定测量的变化量是否等于或小于预定值或不。当变化量确定为小于预定值时，它将复位信号输出到复位控制部分205.（C）2008，JPO＆INPIT

9. 发明专利

JP2014095550A Frequency detection device and frequency detection type sensor using the same 审中-公开
标题翻译：频率检测装置和频率检测型传感器
公开(公告)号：JP2014095550A
公开(公告)日：2014-05-22
申请号：JP2012245264
申请日：2012-11-07
申请人： Ngk Spark Plug Co Ltd , 日本特殊陶業株式会社
发明人： HIGUCHI YUZO , TSUJIMURA YOSHINORI
IPC分类号： G01R23/06 , G01L1/10
摘要： PROBLEM TO BE SOLVED: To provide a technology for improving detectability of the amount of change in the frequency of an input signal.SOLUTION: A frequency detection device 20 is configured to detect the amount of change in frequency of an input signal. The frequency detection device 20 includes: a phase comparison part 31 for generating a feedback signal synchronizing with the input signal on the basis of a phase difference signal expressing a phase difference between the input signal and the feedback signal, and for generating the phase difference signal by using the input signal and the feedback signal; a movement averaging part 40 for performing the movement averaging processing of the output signal of the phase comparison part 31, and for outputting it as a detection signal; and a clock signal generation part 50 for generating a clock signal for controlling a sampling cycle in the movement averaging part 40 in accordance with the cycle of the feedback signal of the phase comparison part 31.
摘要翻译：要解决的问题：提供用于提高输入信号的频率变化量的可检测性的技术。解决方案：频率检测装置20被配置为检测输入信号的频率变化量。频率检测装置20包括：相位比较部分31，用于根据表示输入信号和反馈信号之间的相位差的相位差信号产生与输入信号同步的反馈信号，并用于产生相位差信号通过使用输入信号和反馈信号; 移动平均部40，用于对相位比较部31的输出信号进行移动平均处理，并将其作为检测信号输出; 以及时钟信号生成部50，用于根据相位比较部31的反馈信号的周期，生成用于控制移动平均化部40中的采样周期的时钟信号。

10. 发明专利

JP2014077767A Sensor element 审中-公开
标题翻译：传感器元件
公开(公告)号：JP2014077767A
公开(公告)日：2014-05-01
申请号：JP2012226987
申请日：2012-10-12
申请人： Ngk Spark Plug Co Ltd , 日本特殊陶業株式会社
发明人： MORI TAKASHI , MATSUOKA TOSHIYUKI , HIGUCHI YUZO , TSUJIMURA YOSHINORI
IPC分类号： G01L1/10 , B81B3/00 , H01L29/84
摘要： PROBLEM TO BE SOLVED: To provide a sensor element for detecting pressure or load which is a micro electromechanical element comprising a vibrator, drive electrodes to which a signal for vibrating the vibrator is fed, and detection electrodes for detecting vibration of the vibrator, and which is less affected by parasitic capacitance caused by drive electrode wiring.SOLUTION: A sensor element 1 is a micro electromechanical element having a support substrate 11, a vibrator movably supported by the support substrate 11, drive electrodes to which a signal for vibrating the vibrator is fed, and detection electrodes for detecting vibration of the vibrator, and is provide with ground wiring lines connected to ground between at least some of drive electrode wiring lines and detection electrode wiring lines. The effect of parasitic capacitance caused by the drive electrode wiring on the sensor element 1 is thus reduced without affecting the size of the sensor element 1 and arrangement of components too much.
摘要翻译：要解决的问题：提供一种用于检测作为包括振动器的微机电元件的压力或负载的传感器元件，用于振动振动器的振动信号被馈送到的驱动电极以及用于检测振动器的振动的检测电极，较少受驱动电极布线引起的寄生电容的影响。传感器元件1是具有支撑基板11的微机电元件，由支撑基板11可移动地支撑的振动器，用于振动振动器的振动信号的驱动电极馈电和用于检测振动器的振动的检测电极，并且在至少一些驱动电极布线和检测电极布线之间提供连接到地的接地布线。因此，由于传感器元件1上的驱动电极布线引起的寄生电容的影响减小，而不会影响传感器元件1的尺寸和组件的布置过大。

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