WO2022104791A1 - 具备失效侦测机制的接触感应器 - Google Patents

具备失效侦测机制的接触感应器 Download PDF

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WO2022104791A1
WO2022104791A1 PCT/CN2020/130875 CN2020130875W WO2022104791A1 WO 2022104791 A1 WO2022104791 A1 WO 2022104791A1 CN 2020130875 W CN2020130875 W CN 2020130875W WO 2022104791 A1 WO2022104791 A1 WO 2022104791A1
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failure detection
touch sensor
electrode layers
layers
sub
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PCT/CN2020/130875
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English (en)
French (fr)
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刘昌和
苏瑞尧
卢元立
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原见精机股份有限公司
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Application filed by 原见精机股份有限公司 filed Critical 原见精机股份有限公司
Priority to CN202080107426.0A priority Critical patent/CN116848387A/zh
Priority to PCT/CN2020/130875 priority patent/WO2022104791A1/zh
Priority to JP2023530901A priority patent/JP2023550503A/ja
Publication of WO2022104791A1 publication Critical patent/WO2022104791A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/18—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material

Definitions

  • the present invention relates to a touch sensor, in particular to a touch sensor with a failure detection mechanism.
  • the contact detection mechanism is one of the safety mechanisms for automation equipment. After adding a contact detection mechanism, the automated equipment can make emergency response when a contact event is detected.
  • an existing automation system 1 with a contact detection mechanism is a collaborative robot system, including a controller 11 , a movable member 12 , a contact sensor 13 and a signal line 14 .
  • the movable member 12 is a movable mechanical arm of the collaborative robot system, which can move according to the control of the controller 11 .
  • the touch sensor 13 is disposed on the movable member 12 and is electrically connected to the controller 11 by a signal line 14 .
  • the purpose of the present invention is to provide a touch sensor, which has a failure detection mechanism, and can early detect the failure of signal exchange between the touch sensor and the controller.
  • a touch sensor includes two membrane layers, two electrode layers, two failure detection electrodes, and a conductive connection portion.
  • the two membrane layers have opposite first and second inner surfaces respectively.
  • the two electrode layers are respectively disposed on the first inner surface and the second inner surface, and a gap is separated between the two electrode layers.
  • the failure detection electrode is disposed on at least one of the first inner surface and the second inner surface, and is electrically isolated from the two electrode layers.
  • the touch sensor may further include a sensing layer disposed on one of the two electrode layers.
  • the sensing layer may include a pressure-sensitive material, and the pressure-sensitive material includes at least one conductive substance.
  • the contact sensor may also include a gap layer disposed between the two membrane layers to maintain a gap between the two electrode layers.
  • the touch sensor may further include two signal terminals and two failure detection terminals.
  • the two signal terminals are respectively electrically connected to the two electrode layers, and the two failure detection terminals are respectively electrically connected to the failure detection electrodes.
  • the touch sensor may further include a switch, one end of which is connected to the signal line, and the other end is selectively connected to the two signal terminals or the two failure detection terminals.
  • FIG. 1 is a schematic diagram showing a conventional automation system with a contact detection mechanism.
  • FIG. 2 is a schematic diagram showing a touch sensor according to an embodiment of the present invention.
  • FIG. 3 is a schematic perspective view showing the three-dimensional structure of the touch sensor shown in FIG. 2 .
  • FIG. 4 is a schematic diagram showing a touch sensor according to another embodiment of the present invention.
  • FIG. 5 is a schematic perspective view showing the three-dimensional structure of the touch sensor shown in FIG. 4 .
  • FIG. 6 is a schematic diagram showing the connection status of the touch sensor, the switch and the signal line according to an embodiment of the present invention.
  • the touch sensor 23 includes two film layers 231 a and 231 b , two electrode layers 232 a and 232 b , two sensing layers 233 a and 233 b , a gap layer 234 , and a failure detection electrode 235 , which includes two sub-failure detection electrodes 235a and 235b and a conductive connection portion 235c.
  • FIG. 3 is a three-dimensional schematic view of the structure shown in FIG. 2 , wherein the film layer 231 a in FIG. 2 is removed in FIG. 3 to more clearly show the internal structure of the touch sensor 23 .
  • the two film layers 231a and 231b respectively have corresponding first inner surfaces 231af and second inner surfaces 231bf.
  • the two electrode layers 232a and 232b are respectively disposed on the corresponding first inner surface 231af and the second inner surface 231bf, and are separated by a gap G.
  • the two sensing layers 233a and 233b are respectively disposed on the corresponding electrode layers 232a and 232b.
  • the gap layer 234 is disposed between the two film layers 231a and 231b, so as to maintain a gap G between the two electrode layers 232a and 232b.
  • the two sensing layers 233a and 233b can be pressure sensitive materials including conductive materials, and are formed on the two electrode layers 232a and 232b by coating or printing.
  • the membrane layer 231a When the membrane layer 231a is contacted, it will be deformed under pressure, so that the distance between the two electrode layers 232a and 232b is shortened. At this time, the pressure-sensitive materials of the sensing layers 233a and 233b are subjected to pressure, so that the conductive materials in the pressure-sensitive materials are in contact, and a conductive path is formed between the two electrode layers 232a and 232b.
  • the electrode layers 232a and 232b are respectively connected to the two signal terminals 23o and 23i (as shown in FIG. 4 ). If a conductive path is formed between the two electrode layers 232a and 232b, the voltage received by the signal terminal 23i can be output from the signal terminal 23o to the controller of the automation system as a contact signal.
  • the two sub-failure detection electrodes 235a and 235b are respectively disposed on the corresponding first inner surface 231af and the second inner surface 231bf, and are electrically isolated from the two electrode layers 232a and 232b. That is, the two sub-failure detection electrodes 235a and 235b are not electrically connected to the two electrode layers 232a and 232b, nor are they electrically connected to the two sensing layers 233a and 233b disposed on the two electrode layers 232a and 232b.
  • a conductive connecting portion 235c is provided between the two sub-failure detection electrodes 235a and 235b to establish electrical connection, and the two sub-failure detection electrodes 235a and 235b are respectively connected to the two failure detection terminals 23fo and 23fi (as shown in FIG. 6 ) .
  • the structures shown in FIGS. 2 , 2 and 3 may be peeled off from each other due to poor quality of the manufacturing process or aging of materials due to time.
  • the peeling of the film layers 231a and 231b will cause the gap G between the two electrode layers 232a and 232b to become larger, making it difficult to establish electrical connection between the electrode layers 232a and 232b when the film layers 231a are in contact.
  • This causes the contact sensor to fail, unable to detect contact.
  • the operator can detect whether the film layer is peeled off by connecting the failure detection terminals 23fo and 23fi. That is, the operator can apply a voltage to the failure detection terminal 23fi, and detect whether the failure detection terminal 23fo has a voltage output.
  • the conductive connection portion 235c can establish an electrical connection between the sub-failure detection electrodes 235a and 235b, so that the failure detection terminal 23fo outputs a voltage. If the film layers 231a and 231b are peeled off from each other, the conductive connection portion 235c will be disconnected, so that the electrical connection between the sub-failure detection electrodes 235a and 235b cannot be established. Under this condition, the failure detection terminal 23fo has no output voltage. Therefore, by detecting whether the failure detection terminal 23fo has a voltage output, it can be known whether the film layers 231a and 231b are peeled off. In one embodiment, the voltage received by the failure detection terminal 23fi can be output from the failure detection terminal 23fo to the controller of the automation system, and the invention is not limited thereto.
  • the two sub-failure detection electrodes 236a and 236b are disposed on the second inner surface 231bf.
  • the measuring electrodes 236a and 236b may also be disposed on the first inner surface 231af (not shown), and the invention is not limited thereto.
  • the two sub-failure detection electrodes 236a and 236b are electrically isolated from the two electrode layers 232a and 232b, and a conductive connecting portion 236c is provided between the two sub-failure detection electrodes 236a and 236b to establish electrical connection, and the two sub-failure detection electrodes 236a and 236b are electrically connected.
  • the electrodes 236a and 236b are respectively connected to the two failure detection terminals 23fo and 23fi (as shown in FIG. 6 ).
  • the touch sensor 23 ′ shown in FIG. 4 , FIG. 4 and FIG. 5 is communicatively connected to the controller 11 (as shown in FIG. 1 ) through the signal line 14 .
  • the signal line 14 may be of poor quality due to the manufacturing process, or It is due to the aging of the material due to time and other reasons that cause poor signal transmission or disconnection, etc., which causes the signal transmission to fail, and the controller 11 cannot receive the signal transmitted by the touch sensor 23 ′.
  • the operator can detect whether the signal line 14 is damaged by connecting the failure detection terminals 23fo and 23fi. That is, the operator can apply a voltage to the failure detection terminal 23fi, and detect whether the failure detection terminal 23fo has a voltage output.
  • the conductive connection portion 236c can establish an electrical connection between the sub-failure detection electrodes 236a and 236b, so that the failure detection terminal 23fo outputs a voltage. If the signal line 14 is damaged, the voltage cannot be transmitted from the failure detection terminal 23fi to the failure detection terminal 23fo. Under this condition, the failure detection terminal 23fo has no output voltage. Therefore, by detecting whether the failure detection terminal 23fo has a voltage output, it can be known whether the signal line 14 is damaged. In one embodiment, the voltage received by the failure detection terminal 23fi can be output from the failure detection terminal 23fo to the controller of the automation system, and the present invention is not limited thereto.
  • the switch 41 can be connected between the signal line 14 having two wires, the two signal terminals 23o and 23i, and the two failure detection terminals 23fo and 23fi, so that the signal line 14 can be selectively
  • the ground is connected to the two signal terminals 23o and 23i or the two failure detection terminals 23fo and 23fi.
  • the switch 41 can connect the two wires of the signal line 14 and the two signal terminals 23o and 23i to detect whether there is contact.
  • the switch 41 In the failure detection mode, the switch 41 can be switched to connect the two wires of the signal line 14 and the failure detection terminals 23fo and 23fi to detect whether the signal exchange (ie, the voltage transmission) fails. In this way, the operator can easily switch between the normal operation mode and the failure detection mode, which greatly improves the convenience of operation.
  • a touch sensor 53 according to another embodiment of the present invention includes two film layers 531a and 531b, two electrode layers 532a and 532b, two sub-failure detection electrodes 535a and 535b, and a conductive connection portion 535c.
  • the touch sensor 53 shown in FIG. 7 does not include a sensing layer and a gap layer.
  • the film layer 531a When the film layer 531a is contacted, it will be deformed by pressure, so that the two electrode layers 532a and 532b are in contact, forming a conductive path between the two electrode layers 532a and 532b, so that the contact sensor 53 can output a contact signal.
  • the operation principles of the two sub-failure detection electrodes 535a and 535b and the conductive connection portion 535c are the same as those of the embodiment shown in FIG. 2 and FIG. 3 .
  • the conductive connection portion 535c can establish an electrical connection between the sub-failure detection electrodes 535a and 535b. If the film layers 531a and 531b are peeled off from each other, the conductive connection portion 535c will be disconnected, so that the electrical connection between the sub-failure detection electrodes 535a and 535b cannot be established. Therefore, by detecting whether the failure detection terminal connected to the failure detection electrode has a voltage output, it can be known whether the film layer is peeled off.
  • FIG. 8 is a touch sensor 53 ′ according to a further embodiment of the present invention. Elements in FIG. 8 with the same elements as those in FIG. 7 are the same elements, and thus will not be repeated here.
  • the touch sensor 53' includes two sub-failure detection electrodes 536a and 536b, and a conductive connection portion 536c.
  • the two sub-failure detection electrodes 236a and 236b are disposed on the same inner surface, and the operation principle is the same as that of the embodiment shown in FIG. 4 and FIG. 5 .
  • the voltage can be input from the failure detection terminal 23fi, and output to the failure detection terminal 23fo through the two sub-failure detection electrodes 536a and 536b and the conductive connection portion 536c. If the signal line 14 is damaged, the voltage will not be output to the failure detection terminal 23fo through the two failure detection electrodes 536a and 536b and the conductive connection portion 536c. Therefore, by detecting whether the failure detection terminals 23fi and 23fo (as shown in FIG. 6 ) connected to the sub-failure detection electrodes 536a and 536b have voltage output, it can be known whether the signal line 14 is damaged.
  • the contact sensor proposed by the present invention can quickly detect whether the contact sensor can communicate with the controller normally and be electrically connected to exchange signals by detecting the failure detection terminal connected to the failure detection electrode, thereby enhancing the contact. Convenience when using the sensor.

Abstract

本发明提供一种接触感应器，包括两膜层、两电极层、以及失效侦测电极。两膜层分别具有相对的第一内表面与第二内表面。两电极层分别设置于第一内表面与第二内表面上，且两电极层之间相隔一间隙。失效侦测电极至少设置于第一内表面与第二内表面的其中一个上，且与该两电极层电性隔离。

Description

具备失效侦测机制的接触感应器 技术领域
本发明关于一种接触感应器，特别是关于一种具备失效侦测机制的接触感应器。
背景技术
随着自动化设备的发展，自动化设备的安全性问题也受到关注。例如，由于会与作业人员近距离协同作业，协作机器人(collaboration robots)的安全机制成为重要课题。国际标准组织为此于近年发表了ISO/TS 15066，针对机器人装置中的协作机器人制定了进一步的安全性规范。
接触侦测机制是自动化设备的安全机制的其中一种。增设接触侦测机制之后，自动化设备即可在侦测到接触事件时，做出紧急应变的处理。例如，请参考图1，一种现有的具备接触侦测机制的自动化系统1为协作机器人系统，包括控制器11、可动构件12、接触感应器13以及信号线14。可动构件12为协作机器人系统的可动机械手臂，其可依控制器11的控制进行运动。接触感应器13设置于可动构件12上，且以信号线14与控制器11电性连接。
制造过程的品质不佳、材料因时间而老化等，都有可能造成接触感应器失效，进而无法与控制器即时交换信号的情况。通信失效会造成自动化设备的安全性大幅度的降低，甚至可能造成作业人员的受伤。因此如何尽早得知接触感应器可与控制器正常交换信号，为重要的技术课题。
发明内容
本发明的目的为提供一种接触感应器，其具备失效侦测机制，能够提早发现接触感应器与控制器之间信号交换失效的状况。
依本发明的一实施例，一种接触感应器包括两膜层、两电极层、两失效侦测电极以及导电连接部。两膜层分别具有相对的第一内表面与第二内表面。两 电极层分别设置于第一内表面与第二内表面上，且两电极层之间相隔一间隙。失效侦测电极至少设置于第一内表面与第二内表面的其中一个上，且与该两电极层电性隔离。
在一实施例中，接触感应器可还包括设置于两电极层的其中之一上的感应层。感应层可包括压敏材料，压敏材料内包含至少一导电物质。接触感应器也可包括间隙层，其设置于两膜层之间，使两电极层之间保持间隙。
在一实施例中，接触感应器可还包括两信号端与两失效侦测端。两信号端分别电性连接该两电极层，两失效侦测端则分别电性连接失效侦测电极。接触感应器可还包括切换开关，其一端连接至信号线，另一端选择性地连接两信号端或两失效侦测端。
附图说明
图1为示意图，显示现有的具备接触侦测机制的自动化系统。
图2为示意图，显示依本发明一实施例的接触感应器。
图3为立体示意图，显示图2所示的接触感应器的立体结构。
图4为示意图，显示依本发明另一实施例的接触感应器。
图5为立体示意图，显示图4所示的接触感应器的立体结构。
图6为示意图，显示依本发明一实施例的接触感应器与切换开关及信号线的连接状况。
其中，附图标记：
1            自动化系统
11           控制器
12           可动构件
13           接触感应器
14            信号线
23、23’      接触感应器
23o、23i      信号端
23fo、23fi    侦测端
231a、231b    膜层
231af         第一内表面
231bf         第二内表面
232a、232b    电极层
233a、233b    感应层
234           间隙层
235           失效侦测电极
235a、235b    子失效侦测电极
235c          导电连接部
236           失效侦测电极
236a、236b    子失效侦测电极
236c          导电连接部
41            切换开关
53、53’      接触感应器
531a、531b    膜层
532a、532b    电极层
535a、535b    子失效侦测电极
535c          导电连接部
536a、536b   子失效侦测电极
536c         导电连接部
G            间隙
具体实施方式
请参考图2与图3，依本发明一实施例的接触感应器23包括两膜层231a与231b、两电极层232a与232b、两感应层233a与233b、间隙层234、失效侦测电极235，其包括两子失效侦测电极235a与235b以及导电连接部235c。图3为图2所示结构的立体示意图，其中图2中的膜层231a在图3被移除，以便更清楚地显示接触感应器23的内部结构。
两膜层231a与231b分别具有相对应的第一内表面231af以及第二内表面231bf。两电极层232a与232b分别设置于对应的第一内表面231af与第二内表面231bf上，且相隔一间隙G。两感应层233a与233b分别设置于相对应的电极层232a与232b上。间隙层234设置于两膜层231a与231b之间，以使两电极层232a与232b之间保持间隙G。两感应层233a与233b可为包括导电材料的压敏材料(Pressure Sensitive Material)，并以涂布或印刷的方式形成于两电极层232a与232b上。
当膜层231a被接触时，会受到压力而变形，使两电极层232a与232b之间的距离变短。此时感应层233a与233b的压敏材料受到压力，使压敏材料内的导电材料接触，形成导电通路于两电极层232a与232b之间。电极层232a与232b分别连接两信号端23o与23i(如图4所示)。两电极层232a与232b之间若形成导电通路，则信号端23i接收的电压可从信号端23o输出至自动化系统的控制器，以作为接触信号。
两子失效侦测电极235a与235b分别设置于对应的第一内表面231af与第二内表面231bf上，且与两电极层232a与232b电性隔离。也即，两子失效侦测电 极235a与235b没有与两电极层232a与232b电性连接，也没有与设置在两电极层232a与232b上的两感应层233a与233b电性连接。两子失效侦测电极235a与235b之间设有导电连接部235c以建立电性连接，且两子失效侦测电极235a与235b分别连接两失效侦测端23fo与23fi(如图6所示)。
第2图图2与图3所示的结构可能因为制造过程的品质不佳，或是材料因时间而老化等原因，造成两膜层231a与231b彼此剥离。膜层231a与231b的剥离会造成两电极层232a与232b之间的间隙G变大，使得膜层231a被接触时，电极层232a与232b之间的电性连接的建立变得困难。这造成接触感应器失效，无法侦测到接触。借由本实施例的设计，操作人员可以通过连接失效侦测端23fo与23fi，来侦测膜层是否有剥离的情况。也即，操作人员可于失效侦测端23fi施加电压，并侦测失效侦测端23fo是否有电压输出。在膜层231a与231b无剥离的情况下，导电连接部235c可以建立子失效侦测电极235a与235b之间的电性连接，使失效侦测端23fo输出电压。若膜层231a与231b彼此剥离，导电连接部235c会断开，造成子失效侦测电极235a与235b之间无法建立电性连接。在此状况下，失效侦测端23fo即无输出电压。因此，借由侦测失效侦测端23fo是否有电压输出，即可得知膜层231a与231b是否有剥离的情况。在一实施例中，失效侦测端23fi接收的电压可从失效侦测端23fo输出至自动化系统的控制器，且本发明不以此为限制。
请参考图4及图5，其为依本发明另一实施例的接触感应器23’，图4及图5中的元件符号与图2及图3的元件符号相同者为相同的元件，因此于此将不再赘述。图4及图5与图2及图3的差别在于，接触感应器23’包括失效侦测电极236，其包括两子失效侦测电极236a与236b、以及导电连接部236c。两子失效侦测电极236a与236b配置于同一内表面，于此实施例中，两子失效侦测电极236a与236b即配置于第二内表面231bf，于另一实施例中，两子失效侦测电极236a与236b也可配置于第一内表面231af(未绘示)，且本发明不以此为限制。
两子失效侦测电极236a与236b与两电极层232a与232b电性隔离，且两子失效侦测电极236a与236b之间设有导电连接部236c以建立电性连接，并两子失效侦测电极236a与236b分别连接两失效侦测端23fo与23fi(如图6所示)。
第4图图4与图5所示的接触感应器23’通过信号线14与控制器11(如图1所示)来通信连接，然而，信号线14可能因为制造过程的品质不佳，或是材料因时间而老化等原因，造成信号传递不佳或断线等情况，这造成信号传递失效，控制器11无法接收到接触感应器23’所传递的信号。借由本实施例的设计，操作人员可以通过连接失效侦测端23fo与23fi，来侦测信号线14是否有损坏的情况。也即，操作人员可于失效侦测端23fi施加电压，并侦测失效侦测端23fo是否有电压输出。在信号线14无损坏的情况下，导电连接部236c可以建立子失效侦测电极236a与236b之间的电性连接，使失效侦测端23fo输出电压。若信号线14发生损坏的情况，电压无法由失效侦测端23fi传递至失效侦测端23fo。在此状况下，失效侦测端23fo即无输出电压。因此，借由侦测失效侦测端23fo是否有电压输出，即可得知信号线14是否有损坏的情况。在一实施例中，失效侦测端23fi接收的电压可从失效侦测端23fo输出至自动化系统的控制器，且本发明不以此为限制。
请参考图6，在一实施例中，切换开关41可连接于具有两导线的信号线14、两信号端23o与23i与两失效侦测端23fo与23fi之间，使信号线14可选择性地连接两信号端23o与23i或两失效侦测端23fo与23fi。在正常操作模式下，切换开关41可连接信号线14的两导线与两信号端23o与23i，以侦测是否有接触。在失效侦测模式下，切换开关41可切换以连接信号线14两导线与失效侦测端23fo与23fi，以侦测信号交换(即电压传递)是否失效。如此操作人员可轻易地在正常操作模式与失效侦测模式之间切换，大幅提升了操作的便利性。
须注意的是，本领域技术人员可对上述的实施例做各种的更动与润饰，而不脱离本发明的精神和范围。例如，请参考图7，依本发明另一实施例的接触感应器53包括两膜层531a与531b、两电极层532a与532b、两子失效侦测电极 535a与535b、以及导电连接部535c。与图2及图3所示的实施例不同，图7所示的接触感应器53不包括感应层与间隙层。当膜层531a被接触时，会受到压力而变形，使两电极层532a与532b接触，形成导电通路于两电极层532a与532b之间，从而使接触感应器53能够输出接触信号。
在本实施例中，两子失效侦测电极535a与535b以及导电连接部535c的运作原理与图2及图3所示的实施例相同。在膜层531a与531b无剥离的情况下，导电连接部535c可以建立子失效侦测电极535a与535b之间的电性连接。若膜层531a与531b彼此剥离，导电连接部535c会断开，造成子失效侦测电极535a与535b之间无法建立电性连接。因此，借由侦测与失效侦测电极连接的失效侦测端是否有电压输出，即可得知膜层是否有剥离的情况。
请参考图8，其为依本发明再一实施例的接触感应器53’，图8中的元件符号与图7的元件符号相同者为相同的元件，因此于此将不再赘述。图8与图7的差别在于，接触感应器53’包括两子失效侦测电极536a与536b、以及导电连接部536c。两子失效侦测电极236a与236b配置于同一内表面，且运作原理与图4及图5所示的实施例相同。在信号线14无损坏的情况下，电压可由失效侦测端23fi输入，并经由两子失效侦测电极536a及536b与导电连接部536c输出至失效侦测端23fo。若信号线14发生损坏的情况，电压将无法经由两子失效侦测电极536a及536b与导电连接部536c输出至失效侦测端23fo。因此，借由侦测与子失效侦测电极536a及536b连接的失效侦测端23fi、23fo(如图6所示)是否有电压输出，即可得知信号线14是否有损坏的情况。
因此，本发明所提出的接触感应器，可借由侦测与失效侦测电极连接的失效侦测端，快速检测接触感应器是否可与控制器正常通信并电性连接以交换信号，增进接触感应器使用时的便利性。
综上所述，虽然本发明已以实施例公开如上，然而其并非用以限定本发明。本领域技术人员，在不脱离本发明的精神和范围内，当可作各种的更动与润饰。因此，本发明的保护范围当视后附的权利要求书所界定的范围为准。

Claims (8)

  1. 一种接触感应器，包括：
    两膜层，分别具有相对的第一内表面与第二内表面；
    两电极层，分别设置于该第一内表面与该第二内表面上，且该两电极层之间相隔一间隙；以及
    失效侦测电极，设置于该第一内表面与该第二内表面的至少其中一个上，且与该两电极层电性隔离。
  2. 根据权利要求1所述的接触感应器，还包括：
    感应层，设置于该两电极层的其中之一上。
  3. 根据权利要求2所述的接触感应器，其中，该感应层包括压敏材料，该压敏材料内包含至少一导电物质。
  4. 根据权利要求1所述的接触感应器，还包括：
    间隙层，设置于该两膜层之间，以使该两电极层之间保持该间隙。
  5. 根据权利要求1所述的接触感应器，其中，该失效侦测电极包括：
    两子失效侦测电极，设置于该第一内表面与该第二内表面的其中一个之上；以及
    导电连接部，电性连接该两子失效侦测电极。
  6. 根据权利要求1所述的接触感应器，其中，该失效侦测电极包括：
    两子失效侦测电极，分别设置于该第一内表面与该第二内表面上；以及
    导电连接部，电性连接该两子失效侦测电极。
  7. 根据权利要求5或6其中任一项所述的接触感应器，还包括：
    两信号端，其分别电性连接该两电极层；以及
    两失效侦测端，其分别电性连接该两子失效侦测电极。
  8. 根据权利要求7所述的接触感应器，还包括：
    切换开关，其一端连接至信号线，另一端选择性地连接该两信号端或该两失效侦测端。
PCT/CN2020/130875 2020-11-23 2020-11-23 具备失效侦测机制的接触感应器 WO2022104791A1 (zh)

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WO2014196367A1 (ja) * 2013-06-05 2014-12-11 日本写真印刷株式会社 圧力検出装置および入力装置
CN104655334A (zh) * 2015-02-16 2015-05-27 迈尔森电子（天津）有限公司 Mems压力传感器及其形成方法
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