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公开(公告)号：US11454652B2
公开(公告)日：2022-09-27
申请号：US16879870
申请日：2020-05-21
申请人： YAZAKI CORPORATION
发明人： Yasunori Kawaguchi , Takanori Toma
摘要： Provided is a sensor including a first bus bar, a second bus bar, and a shunt resistor including a shunt resistor body part whose one end portion is bonded to the first bus bar and the other end portion is bonded to the second bus bar and a detection terminal extending from the shunt resistor body part.
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公开(公告)号：US11525844B2
公开(公告)日：2022-12-13
申请号：US17227251
申请日：2021-04-09
申请人： Yazaki Corporation
IPC分类号： G01R15/14 , G01R31/385 , G01R19/00
摘要： A current sensor includes a battery terminal portion that is conductive and is fastened to a battery post that extends along a first direction; a sensor unit that is located side by side with the battery terminal portion along a second direction that intersects the first direction and is electrically connected to the battery terminal portion to detect a current; and a housing that has an insulating property and embeds the sensor unit, in which the battery terminal portion includes a pair of plate-shaped portions, and the pair of plate-shaped portions are embedded in the housing with end portions on the sensor unit side in the second direction spaced apart from each other along the first direction.
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公开(公告)号：US10416023B2
公开(公告)日：2019-09-17
申请号：US15911538
申请日：2018-03-05
申请人： Yazaki Corporation
发明人： Yasunori Kawaguchi
摘要： A liquid surface level sensor includes a housing, a float located on a liquid surface, a magnet that rotates in accordance with up-and-down movement of the float, an arm joined with the float and the magnet, and a circuit unit. The circuit unit includes a sensing element that detects rotation of the magnet, and a wireless communication circuit that outputs a liquid surface level detected by the sensing element to a device installed in a vehicle. The circuit unit includes generating element that generate electric power from a change in magnetic flux caused by the rotation of the magnet, and a generation circuit that supplies electric power generated by the generating element to the sensing element and the wireless communication circuit as drive electric power. The circuit unit is included inside the housing in a state isolated from the outside.
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公开(公告)号：US20190094272A1
公开(公告)日：2019-03-28
申请号：US16137276
申请日：2018-09-20
申请人： YAZAKI CORPORATION
发明人： Yasunori Kawaguchi
摘要： A current sensor includes a main current path in which a main current flows, an auxiliary current path in which an auxiliary current flows, a magnetic detection element detecting intensity of a magnetic field in a magnetic detection direction and disposed around a detection target portion which is a part of the auxiliary current path, and a magnetic shield member disposed to surround the detection target portion and the magnetic detection element. The current sensor is configured to measure a magnitude of the auxiliary current flowing through the detection target portion based on the intensity of the magnetic field detected by the magnetic detection element. The auxiliary current path branches from the main current path and has a smaller cross-sectional area than that of the main current path.
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公开(公告)号：US09207110B2
公开(公告)日：2015-12-08
申请号：US13857299
申请日：2013-04-05
申请人： YAZAKI CORPORATION
CPC分类号： G01F23/22 , G01F23/263 , G01F23/265 , G01F23/266 , G01F23/268 , G01F25/0061
摘要： A liquid level detecting device includes a first detecting part that has a first electrode extending in a vertical direction in the tank and opposing to a ground electrode and detects a first electrostatic capacity between the first electrode and the ground electrode, a second detecting part that has a second electrode extending in the vertical direction in the tank and opposing to the ground electrode and detects a second electrostatic capacity between the second electrode and the ground electrode, and a difference calculating part that calculates a difference between the first electrostatic capacity detected by the first detecting part and the second electrostatic capacity detected by the second detecting part as a capacity difference and determines whether the liquid level in the tank is above a warning threshold.
摘要翻译： 液面检测装置包括第一检测部，该第一检测部具有在槽内沿垂直方向延伸并与接地电极相对的第一电极，检测第一电极与接地电极之间的第一静电电容;第二检测部， 第二电极，其在所述槽中沿垂直方向延伸并且与所述接地电极相对并且检测所述第二电极和所述接地电极之间的第二静电电容;以及差分计算部，其计算由所述第一电极和所述接地电极检测到的所述第一静电电容之间的差 检测部分和由第二检测部分检测的第二静电电容作为容量差，并且确定罐中的液位是否高于警告阈值。
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公开(公告)号：US09091708B2
公开(公告)日：2015-07-28
申请号：US14622095
申请日：2015-02-13
申请人： YAZAKI CORPORATION
发明人： Yasunori Kawaguchi
CPC分类号： G01R19/0092 , G01R1/18 , G01R15/202 , G01R31/2829 , G01R33/06
摘要： A current detection apparatus includes two magnetic detectors that are arranged oppositely on a front surface and a back surface of a board which is located above a current path in order to detect a strength of a magnetic field, an electromagnetic shielding frame member that is mounted on the current path so that the two magnetic detectors and a part of the current path are accommodated inside the electromagnetic shielding frame member, and a control circuit that determines whether a failure which occurs in either of the two magnetic detectors from a difference between magnetic fields detected by the two magnetic detectors, respectively. Sensitivities of the two magnetic detectors are made adjusted so that current values outputted from the two magnetic detectors depending on detected magnetic fields are identical to each other in a normal state.
摘要翻译： 电流检测装置包括两个磁性检测器，它们相对地设置在位于电流路径上方的电路的正面和背面，以便检测磁场的强度;电磁屏蔽框架件，安装在 电流路径，使得两个磁性检测器和电流路径的一部分容纳在电磁屏蔽框架构件内;以及控制电路，其确定在两个磁性检测器中的任一个中是否发生从检测到的磁场之间的差异的故障 分别由两个磁性探测器。 调整两个磁性检测器的敏感度，使得根据检测到的磁场从两个磁性检测器输出的电流值在正常状态下彼此相同。
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公开(公告)号：US11549974B2
公开(公告)日：2023-01-10
申请号：US17227247
申请日：2021-04-09
申请人： Yazaki Corporation
IPC分类号： G01R19/32 , G01R31/382 , G01R15/14 , G01R31/364 , G01R1/20
摘要： A current sensor includes a battery terminal portion that is conductive and is fastened to a battery post; a shunt resistor for current detection, which is formed in a plate shape and is electrically connected to the battery terminal portion; and a circuit board that is formed in a plate shape and is electrically connected to the shunt resistor, in which the shunt resistor is erected on a main surface of the circuit board. With this configuration, since the shunt resistor and the circuit board can be arranged so as not to face each other and not confront each other, the influence of heat generated by the shunt resistor can be suppressed.
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公开(公告)号：US11536771B2
公开(公告)日：2022-12-27
申请号：US17348995
申请日：2021-06-16
申请人： Yazaki Corporation
发明人： Yasunori Kawaguchi , Takanori Toma
IPC分类号： G01R31/364 , G01R1/20 , G01R31/3842 , G01R19/165 , H01M50/567
摘要： The current sensor includes a battery terminal part that has electrical conductivity and is fastened to a battery post constituting a negative electrode of a battery, and a shunt resistor that is conductively connected to the battery terminal part via a joint part, the shunt resistor including a first detection terminal and a second detection terminal for detecting an electric current. The battery terminal part includes a third detection terminal for detecting a voltage of the battery between the joint part and the battery post. As a result, the current sensor can properly detect a voltage of the battery together with an electric current.
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公开(公告)号：US20220276308A1
公开(公告)日：2022-09-01
申请号：US17676232
申请日：2022-02-21
申请人： Yazaki Corporation
IPC分类号： G01R31/364 , G01R19/00 , H01C1/148 , G01R1/20 , H01R11/28
摘要： A current sensor includes a pair of bus bars, a shunt resistor conductively connected between the pair of bus bars, and a housing in which the shunt resistor is built. The shunt resistor includes a body part interposed between the pair of bus bars and detection terminal parts for current detection. Each of the detection terminal parts includes a body connection portion that is connected to the body part, a tip end connection portion that is exposed from the housing and extends along a first direction, and an intermediate portion that is interposed between the body connection portion and the tip end connection portion and extends by protruding from the tip end connection portion along a second direction.
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公开(公告)号：US20210318364A1
公开(公告)日：2021-10-14
申请号：US17227247
申请日：2021-04-09
申请人： Yazaki Corporation
IPC分类号： G01R19/32 , G01R15/14 , G01R31/382
摘要： A current sensor includes a battery terminal portion that is conductive and is fastened to a battery post; a shunt resistor for current detection, which is formed in a plate shape and is electrically connected to the battery terminal portion; and a circuit board that is formed in a plate shape and is electrically connected to the shunt resistor, in which the shunt resistor is erected on a main surface of the circuit board. With this configuration, since the shunt resistor and the circuit board can be arranged so as not to face each other and not confront each other, the influence of heat generated by the shunt resistor can be suppressed.
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