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1. 发明专利

JP2005345346A Thermal flow sensor 有权
标题翻译：热流量传感器
公开(公告)号：JP2005345346A
公开(公告)日：2005-12-15
申请号：JP2004167072
申请日：2004-06-04
申请人： Ckd Corp , シーケーディ株式会社
发明人： KITO HIDEO , NOMURA MASAYUKI , ITO AKIHIRO
IPC分类号： G01F1/698 , G01F1/684
摘要： PROBLEM TO BE SOLVED: To provide a thermal flow sensor which distinguishes among three states, namely, at suction, at chucking, and at release with accuracy and stability. SOLUTION: In the thermal flow sensor 1, a laminate 50 is mounted on a flow-channel space 44 formed in a body 41 to form a main flow channel M, wherein the laminate 50 incorporates a mesh plate 51 so that a mesh part 51M is placed between the main flow channel M and a sensor flow channel S. An upstream-temperature detection resistor R1, a downstream-temperature detection resistor R2, a heating resistor Rh, and a fluid temperature detection resistor Rt are provided to a measurement chip 11. An electric circuit 70 controls so that the heating resistor Rh and the fluid temperature detecting resistor Rt provide a fixed temperature difference. An output signal, according to a temperature difference between the upstream temperature detection resistor R1 and the downstream temperature detection resistor R2 is set as the final output and for a reverse flow, the output signal is processed by a gain changing circuit 80 which is set to be a final output. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种区别三种状态的热流量传感器，即在抽吸，夹紧和释放时的精度和稳定性。解决方案：在热流量传感器1中，层压体50安装在形成在主体41中的流动通道空间44上以形成主流路M，其中层压体50包括网板51，使得网孔部分51M被放置在主流路M和传感器流路S之间。上游温度检测电阻器R1，下游温度检测电阻器R2，加热电阻器Rh和流体温度检测电阻器Rt被提供给测量电路70进行控制，使得加热电阻器Rh和流体温度检测电阻器Rt提供固定的温度差。根据上游温度检测电阻R1和下游温度检测电阻R2之间的温度差输出的信号被设定为最终输出，对于逆流，输出信号由设定为成为最终输出。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2007224940A Position detection device for hydraulic cylinder and driving state setting method for the same 有权
标题翻译：液压缸位置检测装置及其驱动状态设定方法
公开(公告)号：JP2007224940A
公开(公告)日：2007-09-06
申请号：JP2006043683
申请日：2006-02-21
申请人： Ckd Corp , シーケーディ株式会社
发明人： NOMURA MASAYUKI , KITO HIDEO , OKABE MITSUYASU
IPC分类号： F15B15/28 , G01D5/18
摘要： PROBLEM TO BE SOLVED: To adjust so that a proper detection signal can be output from a position detection device even when a mounting position of the position detection device attached to a hydraulic cylinder cannot be manually adjusted in a state wherein the hydraulic cylinder is installed in a predetermined installation position. SOLUTION: The position detection device 10 is provided with a plurality of magnetic sensors Sa to Sd, a magnetic sensor selection circuit for selectively setting one of the plurality of the magnetic sensors in an operable state, and an outside operation means capable of setting the magnetic sensor selection circuit in a desirable output state. The magnetic sensors Sa to Sd are arranged along a moving direction of a piston 12 in the state wherein the position detecting device 10 is attached to the hydraulic cylinder 11, and are arranged so that a part of an operation region of adjacent magnetic sensors is overlapped. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了进行调整，即使当在液压缸的状态下不能手动调节安装在液压缸上的位置检测装置的安装位置时，也能够从位置检测装置输出适当的检测信号安装在预定的安装位置。解决方案：位置检测装置10设置有多个磁传感器Sa至Sd，用于选择性地将多个磁传感器中的一个设置为可操作状态的磁传感器选择电路，以及能够将磁传感器选择电路设置在期望的输出状态。在位置检测装置10安装在液压缸11上的状态下，磁传感器Sa〜Sd沿着活塞12的移动方向配置，并配置为使得相邻的磁传感器的操作区域的一部分重叠。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JPH10115504A APPARATUS FOR DETECTING POSITION OF PISTON 失效
公开(公告)号：JPH10115504A
公开(公告)日：1998-05-06
申请号：JP31816697
申请日：1997-11-19
申请人： CKD CORP
发明人： NOMURA MASAYUKI , KITO HIDEO
IPC分类号： G01B7/00 , F15B15/28
摘要： PROBLEM TO BE SOLVED: To provide a piston position detection apparatus which can detect to which side of an optimum range a stop position of the piston shifts. SOLUTION: Magneto-resistive elements 4, 5 are mounted to a circuit board inside a piston position detection apparatus at positions separated from each other by a predetermined distance in a detection direction. Respective output voltages VDEF1 and VDEF2 of the magneto-resistive elements 4, 5 are compared with a threshold voltage VREF at comparators 20, 21, and comparison results are outputted as signals SG1, SG2. A detected range is classified on the basis of the signals SG1, SG2 to a first allowable range, an optimum range and a second allowable range. LEDs 6, 7, 8 corresponding to the ranges are turned ON.

4. 发明专利

JPH08264231A CABLE CONNECTOR AND ITS MANUFACTURE 失效
公开(公告)号：JPH08264231A
公开(公告)日：1996-10-11
申请号：JP31331695
申请日：1995-11-30
申请人： CKD CORP
发明人： NISHIGAKI MIDORI , KITO HIDEO , HORIE GOJI
IPC分类号： H01R13/648 , H01R43/00
摘要： PURPOSE: To provide a cable connector in which shield structure corresponding to attaching/detaching ease is suitably assembled. CONSTITUTION: A sheet-shaped shield body 6 is placed between a plurality of signal wires 1 and a cable cover 7, and a plurality of signal wires 1 are surrounded and shielded with the sheet-shaped cover 6 on the inside of the cable cover 7. The end of the sheet-shaped shield cover 6 is exposed from the cable cover 7, the edge of the exposed sheet-shaped shield body 6 is formed in an enlarged opening part 16 enlarged than the inner diameter of the cable cover 7, the end of the cable cover 7 including the enlarged opening part 16 and the end of the signal wire 1 is molded and fixed with binding bodies 8, 12, and a contact terminal 3 is exposed to the outside through the binding bodies 8, 12.

5. 发明专利

JPH08114404A PISTON POSITION DETECTOR 失效
公开(公告)号：JPH08114404A
公开(公告)日：1996-05-07
申请号：JP25084494
申请日：1994-10-17
申请人： CKD CORP
发明人： KITO HIDEO , NOMURA MASAYUKI
IPC分类号： G01B7/00 , F15B15/28
摘要： PURPOSE: To provide a piston position detector which enables detecting of the optimum range and an allowable range and moreover, preventing of malfunctioning even in use under the environment affected by an external magnetic field. CONSTITUTION: Magnetoresistance detecting sections 3A and 3B are arranged at positions with both surfaces of a glass substrate 4 of a magnetoresistance element 3 facing each other in such a manner as to make the magnetosensitive direction thereof equal while the centers of the magnetosensitive pattern parts 5 and 6 thereof coincide. Differential output voltages of the magnetosensitive pattern parts 5 and 6 are compared with different threshold voltages separately to judge the position of a piston from the results of the comparison. A light emitting diode comes ON when the position of the piston is within an allowable range and another light emitting diode comes ON when it is within the optimum allowable range based on the results of the judgment.

6. 发明专利

JP2002195214A POSITION SENSOR FOR CYLINDER 审中-公开
公开(公告)号：JP2002195214A
公开(公告)日：2002-07-10
申请号：JP2001337572
申请日：2001-11-02
申请人： CKD CORP
发明人： NOMURA MASAYUKI , KITO HIDEO , NOMURA TOKUHIDE
IPC分类号： G01B7/00 , F15B15/28
摘要： PROBLEM TO BE SOLVED: To provide a long-term life devise even a reed switch generates a chattering. SOLUTION: This position sensor for a cylinder has a sensing means. The sensing means responds to a magnet that is attached to a piston, sliding the inside of the cylinder body, to sense the piston position and then display it with light. Furthermore, the sensing means has reed switches 2, 3, emitters 16, 20, and switching elements 14, 21, 22. The reed switches 2, 3 respond to the magnet attached to the piston. Each emitter emits different light individually. The switching elements 14, 21, 22 make the emitters 16, 20 radiate by the output of the reed switches 2, 3.

7. 发明专利

JPH1089314A SENSOR DEVICE, FLUID PRESSURE CYLINDER CHUCK DEVICE, FLUID PRESSURE CYLINDER DEVICE AND MOUNTING STRUCTURE FOR SENSOR DEVICE 失效
公开(公告)号：JPH1089314A
公开(公告)日：1998-04-07
申请号：JP23910296
申请日：1996-09-10
申请人： CKD CORP
发明人： NOMURA MASAYUKI , TAKAHARA MASUMI , KITO HIDEO
IPC分类号： F15B15/28
摘要： PROBLEM TO BE SOLVED: To make devices difficult to be affected by electromagnetic wave noise. SOLUTION: A sensor device l is constituted of a sensor unit 3 which is formed so as to be mounted on an air chuck device 2 and a signal processing unit 4 which is formed so as to be mounted on the air chuck device 2 in the same way. Both of the units 3 and 4 are connected by a lead wire 5. The sensor unit 3 detects a piston and outputs output voltage according to a piston location. The signal processing unit 11 outputs a switch output based on the comparison result of output voltage and reference voltage.

8. 发明专利

JPH09178593A PRESSURE DETECTOR 失效
公开(公告)号：JPH09178593A
公开(公告)日：1997-07-11
申请号：JP34067795
申请日：1995-12-27
申请人： CKD CORP
发明人： KITO HIDEO , ITO KATSUTOSHI
IPC分类号： G01L19/08
摘要： PROBLEM TO BE SOLVED: To set a pressure level for determining a detected pressure, based on a pressure set signal received from an external unit. SOLUTION: Data control section 7 of a controller 2 transmits a set pressure data serially to a pressure detector 1 from a data transmitting section 8. The pressure detector 1 receives the set pressure data from a data transmitting section and sets an allowable pressure range. The pressure detector 1 transmits a signal for deciding whether a detected pressure data comes within the allowable pressure range or not serially to the controller 2. The controller 2 receives the decision signal and displays the decision results.

9. 发明专利

JPH11303818A POSITION DETECTION DEVICE 失效
公开(公告)号：JPH11303818A
公开(公告)日：1999-11-02
申请号：JP10928198
申请日：1998-04-20
申请人： CKD CORP
发明人： NOMURA MASAYUKI , KITO HIDEO
IPC分类号： G01B7/00 , F15B15/28
摘要： PROBLEM TO BE SOLVED: To obtain an output signal as arranged surely, even if the output of a magnet is changed by a surrounding temperature. SOLUTION: A temperature compensation circuit 3 is connected between a magnetic resistance conversion circuit 1 consisting of magnetic resistance elements R1, R2 and a comparative output circuit 2 and provided with an operative amplifier A1 for reversely amplifying a midle point voltage Vs from magnetic resistance elements R1, R2 and a return resistance R13, which is composed of a linear positive temperature coefficient resister, provided on the operative amplifier A1. Therefore, even if the output of a magnet is changed by the change of a surrounding temperature, an adjust voltage Va not affected by the surrounding temperature is outputted from the temperature compensation circuit 3 and the adjust voltage Va is inputted to the comparative output circuit 3 by combining the amplification of the operative amplifier A1 with the change of the resistance value of the return resistance R13 following to th surrounding temperature change. Consequently, the output signal is obtained from the comparative output circuit 3 as arranged.

10. 发明专利

JPH11303817A POSITION DETECTION DEVICE 失效
公开(公告)号：JPH11303817A
公开(公告)日：1999-11-02
申请号：JP10928098
申请日：1998-04-20
申请人： CKD CORP
发明人： NOMURA MASAYUKI , KITO HIDEO
IPC分类号： G01B7/00 , F15B15/28
摘要： PROBLEM TO BE SOLVED: To obtain a position detection device which can obtain an output signal surely as arranged, even when the relative movement amount between a magnetic resistance element and magnet is big. SOLUTION: This device is provided with a magnetic resistance conversion circuit 1 consisting of magnetic resistance elements R1, R2 and a comparative output circuit 2 and when the middle point voltage Vs from the magnetic resistance conversion circuit 1 stays between the standard voltages Vref1, Vref2 set by the comparative output circuit 2, ON signal is outputted from an output terminal T1. Here, the middle point voltage Vs is sometime the same voltage value even of the relative position relation to the magnet is deffered and in this case, as the inconvenience in which an unnecessary output signal not to be outputted originally is outputted is generated, a range set circuit 3 is provided to resolve this. The range set circuit 3 has an analogue switch SW1, which is controlled by a lead switch, connected between terminals T2, T3, for turning ON.OFF only when the magnet stays in a prescribed range.

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