CN202434387U - Thin-film switch, key and keyboard with thin-film switch - Google Patents

Thin-film switch, key and keyboard with thin-film switch Download PDF

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Publication number
CN202434387U
CN202434387U CN2011205590505U CN201120559050U CN202434387U CN 202434387 U CN202434387 U CN 202434387U CN 2011205590505 U CN2011205590505 U CN 2011205590505U CN 201120559050 U CN201120559050 U CN 201120559050U CN 202434387 U CN202434387 U CN 202434387U
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China
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film
conductive
position
conductor
membrane switch
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CN2011205590505U
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Chinese (zh)
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侯柏均
陈志宏
陈铭鸿
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苏州达方电子有限公司
达方电子股份有限公司
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Abstract

The utility model relates to a thin-film switch, a key and a keyboard with the thin-film switch. The thin-film switch comprises a first thin film, and a second thin film, wherein a first conductive unit is arranged on one surface of the first thin film and consists of at least one first conductor; the second thin film is arranged on the side of the first thin film having the first conductor; a second conductive unit is arranged on the surface of the second thin film facing the first thin film, corresponds to the first conductive unit and consists of a plurality of second conductors; one second conductor is arranged at a first position of the second thin film; other second conductor is arranged at a second position of the second thin film; and a first distance is formed between the first position and the second position. According to the thin-film switch, as well as the key and the keyboard with the thin-film switch provided by the utility model, conductors at different positions of the thin-film switch can be triggered according to different applied forces, and different siganal outputs can be achieved when one button is pressed.

Description

薄膜开关以及具有该薄膜开关的按键与键盘 Membrane switch and a key of the keyboard membrane switch

技术领域 FIELD

[0001] 本实用新型关于ー种薄膜开关以及具有该薄膜开关的按键与键盘,尤其关于ー种藉由施力大小不同,可触发薄膜开关不同位置的导电体,得到不同讯号输出的薄膜开关以及具有该薄膜开关的按键与键盘。 [0001] The present invention ー species on the membrane switch and a key of the keyboard membrane switch, and more particularly by urging ー species of different sizes, can be triggered at different positions of the conductor membrane switch, membrane switch to obtain different signal output, and a keyboard having keys and the membrane switch.

背景技术 Background technique

[0002] 薄膜开关(thin film switch)由于体积轻薄,因此近年来被广泛应用于各种电子产品,尤其是薄膜开关于按压时所产生的声响极小,适用于各种装置的按键或键盘。 [0002] The membrane switch (thin film switch) due to the thin volume, so in recent years been widely used in various electronic products, especially the membrane switch is pressed on the sound produced is extremely small, keys or a keyboard suitable for various devices.

[0003] 一般薄膜开关的结构主要包括两片薄膜,于两薄膜相对朝向的表面的相对应位置分别设有导电体,由两薄膜相对应位置所设的两导电体构成ー组开关,该导电体连接于薄膜上所设的电路,当按压薄膜使相对应位置的导电体相互接触时,可形成电性导通,亦即触动该组开关。 Structure [0003] General membrane switch includes two films, the two films at a position corresponding to the oppositely facing surfaces are provided with two conductive electrical conductor, a position corresponding to the two films constituting ー established set of switches, the conductive the film body is connected to the set circuit, when the pressing position of the film so that corresponding conductive body contact with each other, may be formed of electrically conductive, i.e., the set of touch switch. 以习知具有薄膜开关的按键而言,是由ー个键帽结构对应于ー组导电体,当按压键帽时,可触动ー组开关,同理,就习知具有薄膜开关的键盘而言,于键盘上虽然设有多个按键,但是每一个按键仅能触动ー组开关。 Button to have a conventional membrane switch, the keycap is a structure corresponding to ー ー sets of conductors, when the keycap is pressed, the touch ー set of switches Similarly, it has a conventional dome switch keyboards terms , although on the keyboard is provided with a plurality of keys, each key but only touch ー set of switches. 換言之,使用者于按压一个按键吋,只能输出ー个讯号。 In other words, the user presses a key in inches, only one output signal ー. 当使用者将键盘作为电脑游戏的控制装置时,不同动作必须藉由按压不同按键控制,例如,若是要控制上、下、左、右四个动作吋,必须控制四个按键,操作及控制都非常不便。 When the user control device as the keyboard of the computer game, different actions must be controlled by pressing different keys, for example, if you want to control, lower, left, and right operation inch, four buttons must be controlled, operation and control are very inconvenient.

实用新型内容 SUMMARY

[0004] 鉴于习知技术的不足,本实用新型提出ー种薄膜开关以及具有该薄膜开关的按键与键盘,藉由施力大小不同,可触发薄膜开关不同位置的导电体,得到不同讯号输出。 [0004] In view of the deficiencies of conventional techniques, the present invention proposes ー species membrane switch and a key of the keyboard membrane switch, by force of different sizes, can be triggered at different positions of the conductor membrane switch, give different output signals.

[0005] 本实用新型目的之ー在于提供ー种薄膜开关,其包含:第一薄膜,于该第一薄膜的一表面设有第一导电单元,该第一导电单元由至少ー第一导电体构成;第二薄膜,该第二薄膜设置于该第一薄膜具有该第一导电体的ー侧,该第二薄膜与该第一薄膜之间具有第一间距,该第二薄膜朝向该第一薄膜的表面设有第二导电单元,该第二导电单元对应于该第一导电单元,且由复数个第二导电体构成,该第二导电单元与该第一导电单元之间具有第二间距,其中之ー该第二导电体设置于该第二薄膜的第一位置,其中另ー该第二导电体设置于该第二薄膜的第二位置,该第一位置与该第二位置之间具有第一距离;其中,该第一导电体于施第一カ使该第一薄膜与该第二薄膜相对靠近时与设置于该第一位置的第二导电体接触而形成电性导通;该第一导电体于施第二カ [0005] Another object of the present invention is to provide ー ー kinds of membrane switch, comprising: a first film, a first conductive element on a surface of the first film, the first conductive element by the first electrical conductor at least ーconfiguration; second film, the second film is provided with the first conductor ー side in the first film, the second film and between the first film having a first pitch, the second towards the first film surface of the film is provided with a second conductive element, the second conductive element corresponding to the first conductive element, and is composed of a plurality of second conductive elements, having a second spacing between the second conducting unit and the first conductive unit wherein the second conductor ー disposed in the first position of the second film, wherein the second conductive member further ー disposed at a second position of the second film, between the first position and the second position having a first distance; wherein the first conductor to the first administration of the grades that the first film in contact with the second relatively thin film and the second conductive member disposed close to the first position to form electrically conductive; the first conductive member to the second application ka 使该第一薄膜与该第二薄膜相对靠近时同时与设置于该第一位置及该第二位置的第二导电体接触而形成电性导通。 The first time the film while in contact with the second conductive film opposite the second member disposed closer to the first position and the second position to form electrical conduction.

[0006] 优选的,又ー该第二导电体设置于该第二薄膜的第三位置,该第三位置与该第一位置之间具有第二距离,该第二距离大于该第一距离;其中,该第一导电体于施第三カ使该第一薄膜与该第二薄膜相对靠近时同时与设置于该第一位置、该第二位置以及该第三位置的第二导电体接触而形成电性导通。 [0006] Preferably, the second conductor and ー disposed at a third position of the second film, the third position having a second distance between the first position and the second distance is greater than the first distance; wherein the first conductive member is applied to the first film so that a third grades simultaneously provided to the first position relatively close to the second film, the second position and a second conductor contacting the third position forming electrically conductive.

[0007] 优选的,设置于该第一位置的第二导电体呈圆形,设置于该第二位置及第三位置的第二导电体呈圆弧形,两个该圆弧形的第二导电体与该圆形的第二导电体同心。 [0007] Preferably, the second conductive substantially circular provided the first position, the second position disposed at the third position and the arc-shaped second conductor, the two second arc-shaped conductor concentric with the circular second conductor.

[0008] 优选的,该第一导电单元具有ー个第一导电体,该复数个第二导电体对应于该第ー导电体于第二薄膜上的正投影范围内;或者该第一导电单元设有复数个第一导电体,该复数个第一导电体与该复数个第二导电体的数量相同,且每ー该第一导电体分别对应于每ー该第二导电体。 [0008] Preferably, the first conductive unit having ー first conductive elements, the plurality of second conductive elements corresponding to the orthographic projection of the second conductor on the second ー film; a first conductive unit or the is provided with a plurality of first conductive elements, the plurality of first conductor and the second number of the plurality of conductors is the same, and the first conductor ー each respectively corresponding to each of the second conductive body ー.

[0009] 优选的,第一薄膜及该第二薄膜设有电路,该电路当该第一导电体与该第二导电体接触而形成电性导通时电性导通。 [0009] Preferably, the first film and the second film has a circuit which when in contact with the first conductive member and the second electrically conductive member is formed of electrically conductive when conduction.

[0010] 优选的,该薄膜开关更包括间隔层,该间隔层设置于该第一薄膜及该第二薄膜之间,该间隔层具有开孔,其中,该第一导电体当施カ使该第一薄膜与该第二薄膜相对靠近时通过该开孔与第二导电体接触而形成电性导通。 [0010] Preferably, the membrane switch further comprises a spacer layer, the spacer layer disposed between the first film and the second film, the spacer layer having an opening, wherein the first conductive member so that when administered ka the first film and the second film formed in contact with electrical conduction through the opening relatively close to the second conductor.

[0011] 本实用新型的另一目的在于提供ー种薄膜开关按键,其包含:基板;如上所述的薄膜开关,该薄膜开关设置于该基板的一表面;键帽,该键帽设置于该薄膜开关远离该基板的ー侧;弹性件,该弹性件设置于该键帽与该基板之间,该弹性件具有凸件,该凸件的位置对应于该第一导电体,该凸件具有中心轴线;支撑结构,该支撑结构设置于该键帽与该基板之间,且可活动的连接该键帽与该基板,以使该键帽可相对该基板上下运动;其中,该凸件当施力于该键帽时被驱动沿其中心轴线方向移动与该薄膜开关接触,使该第一薄膜与该第ニ薄膜相对靠近。 [0011] Another object of the present invention is to provide a membrane switch keypad ー species, comprising: a substrate; membrane switch described above, the membrane switch is provided on a surface of the substrate; keycap, which is disposed on the keycap membrane switch ー remote side of the substrate; the resilient member, the resilient member is disposed between the keycap and the base plate, the resilient member having a projection member, the position corresponding to the projection of the first conductive member, the projection having a central axis; a support structure, the support structure is disposed between the keycap and the substrate, and connected to the movable key cap and the substrate, so that the key top may be moved up and down relative to the substrate; wherein, when the projection when the force is driven in the axial direction along the central key top moves in contact with the membrane switch so that the first Ni thin film is relatively close to the first.

[0012] 优选的,该凸件的中心轴线通过该圆形的第二导电体的圆心。 [0012] Preferably, the central axis of the male part through the center of the second conductor is circular.

[0013] 优选的,该支撑结构为剪刀式支撑结构,其由第一支架与第二支架相互枢接构成,该第一支架具有相对的两端,该第一支架的一端可活动的连接于该键帽,该第一支架的另一端可活动的连接于该基板,该第二支架具有相对的两端,该第二支架的一端可活动的连接于该键帽,该第二支架的另一端可活动的连接于该基板,该弹性件设置于该剪刀式支撑结构内。 [0013] Preferably, the support structure is a scissors-type support structure by a first holder and a second holder pivotally connected to each other constituting the first bracket having opposite ends, one end of the first bracket is connected to a movable the keycap, the other end of the first bracket is connected to the movable substrate, the second support having opposite ends, one end of the second movable bracket connected to the key top, the second bracket further One end is connected to the movable substrate, the resilient member is disposed in the scissors-type support structure.

[0014] 本实用新型的再一目的在于提供ー种薄膜开关键盘,其包含:基板;如上所述的薄膜开关,该薄膜开关设置于该基板的一表面;复数个键帽,该复数个键帽设置于该薄膜开关远离该基板的ー侧;复数个弹性件,该复数个弹性件设置于该复数个键帽与该基板之间,该复数个弹性件分别具有凸件,复数个该凸件的位置分别对应于该复数个第一导电体,复数个该凸件具有中心轴线;复数个支撑结构,该复数个支撑结构设置于该复数个键帽与该基板之间,且可活动的连接该复数个键帽与该基板,以使该复数个键帽可相对该基板上下活动;其中,该凸件当施力于该复数个键帽其中之一时被驱动沿其中心轴线方向移动与该薄膜开关接触,使该第一薄膜与该第二薄膜相对靠近。 [0014] The present invention further aims to provide a membrane switch keyboard ー species, comprising: a substrate; membrane switch described above, the membrane switch is provided on a surface of the substrate; a plurality of key caps, the plurality of keys a cap disposed on the membrane switch ー remote side of the substrate; a plurality of elastic members, the plurality of resilient members disposed between the plurality of key caps and the substrate, the plurality of elastic members each have a projection member, the plurality of projections respectively correspond to the position of the member of the plurality of first conductors, the plurality of projections having a central axis; a plurality of support structures, the plurality of support structures disposed between the plurality of key caps and the substrate, and the movable is moved along the driving direction of the central axis wherein, when the projection on one of the plurality of urging wherein a keycap; connecting the plurality of key caps and the substrate, so that the plurality of key top may move vertically relative to the base the membrane switch contacts so that the first film and the second film are relatively close.

[0015] 本实用新型的薄膜开关以及具有该薄膜开关的按键与键盘,藉由施力大小不同,可触发薄膜开关不同位置的导电体,使按压单一按键时,可得到不同讯号输出,可提高按键与键盘应用范围。 [0015] the present invention and a membrane switch keyboard buttons and the membrane switch, by force of different sizes, the conductor may trigger the membrane switch at different positions, so that a single key is pressed, a different signal output can be obtained, can be improved application of a keyboard key and scope.

附图说明 BRIEF DESCRIPTION

[0016]图I为本实用新型薄膜开关第一薄膜的第一实施例的结构示意图。 [0016] Figure I a schematic view of a first embodiment of the invention, the structure of a first thin film of the present switch.

[0017]图2为本实用新型薄膜开关第二薄膜的第一实施例的结构示意图。 [0017] FIG. 2 is a schematic view of a first embodiment of the invention the structure of the second switch thin film.

[0018]图3为本实用新型薄膜开关的第一薄膜与第二薄膜相结合的结构示意图。 [0018] FIG. 3 is a schematic structural diagram of a first film and a second thin film switching novel combination practical. [0019] 图4为图3中A部的结构放大图。 [0019] FIG. 4 is an enlarged view of the structure of the portion A in FIG. 3.

[0020] 图5为图4中的沿BB剖面结构示意图。 [0020] FIG. 5 is a schematic view along a BB cross-sectional structure in FIG. 4.

[0021] 图6为本实用新型薄膜开关按键实施例的组合俯视结构示意图。 [0021] FIG. 6 of the present invention combinations of membrane switch keypad schematic structural plan view of the embodiment.

[0022] 图7至图9为按压键帽的施力大小不同,触发薄膜开关不同导电体位置的结构示意图。 [0022] Figures 7 to 9 is different from the size of the pressing force of the key top, the location trigger different conductive membrane switch structure diagram.

具体实施方式 Detailed ways

[0023] 为使对本实用新型的目的、构造、特征、及其功能有进ー步的了解,兹配合实施例详细说明如下。 [0023] To keep the intake ー further object of the present invention, structure, characteristics, and functional appreciated that with the embodiment is hereby described in detail below.

[0024] 请參阅图I至图5所示,本实用新型所提供的薄膜开关10包括第一薄膜11以及第二薄膜12。 [0024] Please refer to FIG. 5 to FIG I, the present invention provides novel membrane switch 10 includes a first film 11 and second film 12. 于该第一薄膜11的一表面111设有第一导电单兀,该第一导电单兀由第一导电体112构成。 On a surface of the first film 11 is provided with a first conductive single 111 Wu, Wu the first single conductive body 112 is constituted by a first electrically conductive. 第二薄膜12设置于该第一薄膜11具有第一导电体112的ー侧,该第二薄膜12朝向该第一薄膜11的表面121设有第二导电单兀,该第二导电单兀对应于该第一导电单元,且由复数个第二导电体122、123、124构成,其中之ー该第二导电体122设置于第二薄膜12的第一位置,其中另ー该第二导电体123设置于第二薄膜12的第二位置,其中又一该第二导电体124设置于第二薄膜12的第三位置,其中设置于第一位置的第二导电体122呈圆形,设置于第二位置及第三位置的第二导电体123、124呈圆弧形,该两圆弧形的第二导电体123、124与该圆形的第二导电体122同心。 Second film 12 disposed on the first side of the first film 11 having ー conductive body 112, the film 12 towards the second surface 121 of first film 11 is provided with a second single conductive Wu, Wu corresponding to the second conductive single to the first conductive element, and is composed of a plurality of second conductive elements 122, 123, of which the second conductive ー 122 disposed in a first position of the second film 12, wherein the second conductive member further ー123 disposed in the second position of the second film 12, wherein the second further conductive member 124 disposed in the third position of the second film 12, wherein the second conductive member 122 disposed in a first position a circular shape, is provided in 123 and 124 arc-shaped second conductor and the third position the second position, 123, 124, 122 of the two concentric circular arc shape of the second conductor and a second conductor of the circle. 于第一薄膜11及第ニ薄膜12设有电路1121、1221、1231、1241,分别连接该第一导电体112以及第二导电体122、123、124。 The first film 11 and second film 12 is a circuit ni 1121,1221,1231,1241, respectively connected to a second conductor 122, 123 and 112 of the first electrical conductor.

[0025] 该第一薄膜11设置有第一导电体112及电路1121的表面111,与该第二薄膜12设置有第二导电体122、123、124以及电路1121、1221、1231、1241的表面121相互朝向,于第一薄膜11与第二薄膜12之间设有间隔层13(请參阅图5),该间隔层13具有开孔131。 [0025] The film 11 is provided with a first surface 112 and a conductor circuit 1121 of the first 111, the second surface of the second film 12 is provided with a conductor circuit 122, 123 and the 1121,1221,1231,1241 121 towards each other, the first film 11 and second film 12 is provided between the spacer layer 13 (see FIG. 5), the spacer layer 13 has openings 131. 第一薄膜11、间隔层13、第二薄膜12相互贴靠形成三层式结构,如图5所示,第二导电体122、123、124对应于该第一导电体112于第二薄膜12上的正投影范围内,该第一导电体112与该第二导电体122、123、124位于该开孔131内。 The first film 11, spacer layer 13, the second film 12 are formed against a three-layer structure shown in Figure 5, the second conductor 122, 123 corresponding to the first 112 to the second conductive film 12 the orthographic projection on the first conductive member 112 and the second conductive member 122, 123 positioned within the opening 131. 该第一位置的第二导电体122与该第二位置的第二导电体123之间具有第一距离dl,该第一位置的第二导电体122与该第三位置的第二导电体124之间具有第二距离d2,该第二距离d2大于该第一距离dl。 The second conductive member 122 having a first position a first distance dl between the second conductor 123 and the second position, the second conductor 122 to the first position and the third position of the second conductor 124 having a second distance between d2, the second distance d2 is greater than the first distance dl. 第二薄膜12与第一薄膜11之间具有第一间距d3。 The second film has a first distance d3 between the first 12 and the film 11. 当该薄膜开关10未受到外力压迫时,该第二导电单元与该第一导电单兀之间(亦即第二导电体122、123、124与该第一导电体112之间)具有第ニ间距d4,第二导电体122、123、124与第一导电体112相互分离,呈现非导电状态,如图5所示。 When the membrane switch 10 is not subjected to external pressure, the second conductive element between the first conductive single and Wu (i.e., 122, 123 between the second conductor 112 and first conductor) having a first ni pitch D4, the second conductor 122, 123 and the first conductive member 112 separate from each other, rendering non-conductive state, as shown in FIG.

[0026] 此外,上述薄膜开关10的第一薄膜11与第二薄膜12的位置可以对调,亦即将第ニ薄膜12及设置于第二薄膜12上的第二导电体122、123、124及其电路1221、1231、1241设置于上层,第一薄膜11及设置于第一薄膜11上的第一导电体112及其电路1121则设置于下层。 [0026] In addition, the first film 10 of the film 11 and the switch position of the second film 12 may be reversed, i.e., the first Ni thin film 12 and the second conductive member is provided on the second film 122, 123 and 12 1221,1231,1241 circuit disposed in the upper layer, the first film 11 and disposed in the circuit 112 and a first conductive member 1121 on the first film 11 is disposed on the lower layer.

[0027] 请參阅图6所示,本实用新型所提供的薄膜开关按键,其包含薄膜开关10、基板20、键帽30、弾性件40以及支撑结构50。 [0027] Please refer to FIG. 6, the present invention is provided by the membrane switch keypad, a dome switch 10 comprising a substrate 20, keycap 30, Dan and a support structure 40 of the member 50. 薄膜开关10设置于该基板20的一表面,键帽30设置于薄膜开关10远离基板20的ー侧,弾性件40设置于该键帽30与该基板20 (亦即该薄膜开关10)之间。 Membrane switch 10 is provided on a surface of the substrate 20 keycap 30 is provided in the membrane switch 10 from the substrate 20 side ー, Tan resistance member 40 between the keycap 30 and disposed on the substrate 20 (i.e., the membrane switch 10) . 于本实施例中,薄膜开关10设置于该基板20的顶面,键帽30设置于薄膜开关10的顶面,弾性件40设置于键帽30与基板20之间。 In this embodiment, the membrane switch 10 is provided on the top surface of the substrate 20, the keycap 30 is provided on the top surface of the membrane switch 10, Dan member 40 of the keycap 30 is provided between the substrate 20.

[0028] 该薄膜开关10的结构与图5所示薄膜开关10的结构相同。 [0028] The same membrane switch structure 10 of FIG membrane switch structure 10 shown in Figure 5. 薄膜开关10包括第一薄膜11以及第二薄膜12。 Membrane switch 10 includes a first film 11 and second film 12. 于第一薄膜11设有第一导电单元,该第一导电单元包括第一导电体112。 A first conductive unit 11 in the first film, the first conductive unit 112 includes a first electrically conductive body. 于第二薄膜12设有第二导电单元,该第二导电单元由三个第二导电体122、123、124构成。 A second conductive film 12 is provided with a second unit, the second unit is constituted by three conductive second conductor 122, 123. 于第一薄膜11与第二薄膜12之间设有间隔层13,该间隔层13具有开孔131,该开孔131对应该第一导电体111及该三个第二导电体122、123、124。 The first film 11 and second film 12 is provided between the spacer layer 13, the spacer layer 13 has openings 131, 111 and the second conductor of the three apertures 131 corresponding to the first conductive member 122, 123, 124.

[0029] 基板20通常采用金属材质。 [0029] The substrate 20 is typically made of metal material. 于基板20向上延伸设置两卡钩21、22,该两卡钩21、22穿透该薄膜开关10,可用以钩设该支撑结构50。 On the substrate 20 upwardly extending hooks 21, the hooks 21 penetrate the membrane switch 10, may be used to set the hooks 50 of the support structure. 键帽30设置于基板20之上,弾性件40通常采用橡胶材质,弾性件40朝向该薄膜开关10的ー侧具有凸件41,该凸件41的位置对应于第一导电体112,该凸件41具有中心轴线41C。 Cap 30 is provided on the substrate 20, Dan member 40 of rubber material commonly used, Dan member 40 toward ー side of the membrane switch 10 has a projection 41, the position of the protrusion 41 corresponds to the first conductive member 112, the protrusion member 41 has a central axis 41C. 该中心轴线41C通过位于第一位置的该圆形的第二导电体122的圆心。 The center of the center axis 41C 122 through the second conductive member in the first position of the circle.

[0030] 该支撑结构50为剪刀式支撑结构,其由第一支架51与第二支架52相互交叉枢接构成,该第一支架51具有相对的两端,该第一支架51的其中一端(亦即顶端)可活动的连接于该键帽30,该第一支架51的另一端(亦即底端)可活动的连接于该基板20的其中之ー卡钩21,该第二支架52具有相对的两端,该第二支架52的其中一端(亦即顶端)可活动的连接于该键帽30,该第二支架52的另一端(亦即底端)可活动的连接于该基板20的另ー卡钩22,弾性件40设置于该剪刀式支撑结构内。 [0030] The support structure 50 is a scissors-type support structure 51 by the intersection of the first bracket and the second bracket 52 pivotally connected configuration, the first bracket 51 having opposite ends, wherein one end of the first bracket 51 ( i.e. top) is movably connected to the keycap 30, the other end of the first bracket 51 (i.e., bottom end) connected to the movable substrate ー wherein the hook 2120 of the second bracket 52 having a opposite ends, wherein one end (i.e. the top) is movably connected to the keycap 30 of the second bracket 52, the other end (i.e., bottom end) of the second bracket 52 is movably connected to the base plate 20 another ー hooks 22, Dan of the inner member 40 disposed in scissor-type support structure. 支撑结构50设置于键帽30与基板20之间,可活动的连接该键帽30与该基板20,使键帽30可相对于基板20 (亦即相对于该薄膜开关10)上下运动。 The support structure 50 is provided on the substrate 30 between the keycap 20, connected to the movable keycap 30 and the substrate 20, so that the keycap 30 with respect to the substrate 20 may be moved up and down (i.e., with respect to the membrane switch 10).

[0031] 请參阅图7所示,当使用者对键帽30施以第一力Fl时,可驱动凸件41下沉,凸件41与第一薄膜11的接触面积为第一面积Al,凸件41压迫于第一薄膜11,藉由基板20的支撑,使第一薄膜11与第二薄膜12相对靠近,该第一导电体112通过该开孔131与位于第一位置(亦即中央位置)的第二导电体122接触而形成电性导通,再透过第一导电体112与第二导电体122所连接的电路1121、1221(可參阅图4所示)输出第一种讯号。 [0031] Please refer to FIG. 7, when the user first force Fl applied to the keycap 30, the projection 41 can be driven to sink, the contact area of ​​the projection of the first member 41 and the film 11 into a first area Al , the projection 41 of the first compression film 11, by the supporting substrate 20, the first film 11 and second film 12 relatively close, and 112 through the opening 131 in the first position of the first conductor (i.e. center position) of the second conductive contact 122 is formed electrically conductive, 1121,1221 circuit 112 and then through the first conductor and the second conductor 122 is connected (see also below) output of the first 4 kind of signal.

[0032] 请參阅图8所示,当使用者对键帽30施以第二力F2时,该第二力道F2大于图7所示该第一力F1,可驱动凸件41下沉,凸件41压迫于第一薄膜11,藉由基板20的支撑,使第一薄膜11与第二薄膜12相对靠近,由于第二力F2大于第一力F1,因此会使得凸件41与第一薄膜11相互接触时产生较大的变形,凸件41与第一薄膜11的接触面积为第二面积A2,该第二面积A2大于图7所示该第一面积Al,导致第一薄膜11下陷的面积较大,因此可以使该第一导电体112通过该开孔131同时与设置于该第一位置及该第二位置的第二导电体122、123接触而形成电性导通,再透过第一导电体112与第二导电体122、123所连接的电路1121、1221、1231(可參阅图4所示)输出第二种讯号。 [0032] Please refer to FIG. 8, when the user applied to the keycap 30 when the second force F2, the second strength is greater than the first force F1 F2 shown in FIG. 7, the projection 41 may be driven to sink, a first projection member 41 to the compression film 11, by the supporting substrate 20, the first film 11 and second film 12 relatively close, since the second force F2 is greater than the first force F1, so that the projection 41 will first a greater deformation of the thin film 11 contact each other, the male member 41 and the contact area of ​​the first film 11 is a second area A2, A2 is larger than the second area shown in FIG. 7 of the first area Al, a first film 11 resulting in subsidence the large area, it is possible to make contact with the first conductive member 112 through the openings 122, 123 and 131 while a second conductor disposed at the first position and the second position to form electrical conduction, and then through circuit 112 through the first conductor and the second conductor 122, 123 1121,1221,1231 connected (refer to FIG. 4) outputs a second signal.

[0033] 请參阅图9所示,当使用者对键帽30施以第三力F3时,该第三力F 3大于图7及图8所示该第一力F1、第二力F 3,可驱动凸件41下沉,凸件41压迫于第一薄膜11,藉由基板20的支撑,使第一薄膜11与第二薄膜12相对靠近,由于第二力F3大于第一力Fl及第ニ力F2,因此会使得凸件41与第一薄膜11相互接触时产生更大的变形,凸件41与第一薄膜11的接触面积为第三面积A3,该第三面积A3大于图7所示该第一面积Al以及图8所示该第二面积A2,导致第一薄膜11下陷的面积更大,因此可以使该第一导电体112通过该开孔131同时与设置于该第一位置、第二位置及第三位置的第二导电体122、123、124接触而形成电性导通,再透过第一导电体112、第二导电体122、123、124所连接的电路1121、1221、1231、1241 (可參阅图4所示)输出第三种讯号。 [0033] Please refer to FIG. 9, when the user of the keycap 30 when subjected to a third force F3, which is greater than the third force F 3 in FIG. 7 and 8 shown in the first force F1, the second force F 3, the driving projection 41 can sink, the first projection member 41 to the compression film 11, by the supporting substrate 20, the first film 11 and second film 12 relatively close, since the second force F3 is greater than the first force Fl ni force F2 of the second, so that the projection 41 thus greater deformation and contact each other when the first film 11, the contact area of ​​the protrusion 41 and the first film member 11 as a third area A3, which is greater than the third area A3 in FIG. the view of the first area Al and second area A2 7 shown in FIG. 8, the first film 11 results in a greater area of ​​the undercut, it is possible that the first conductive member 112 through the opening 131 provided simultaneously to the first a second electrically conductive body position, the second position and the third position 122, 123 formed in contact with electrical conduction, and then through the first conductor 112, second conductor 122, 123 connected circuit 1121,1221,1231,1241 third output signal (refer to FIG. 4 may be shown).

[0034] 由图7至图9所示可知,本实用新型藉由ー个第一导电体112对应于距离不同的多个第二导电体122、123、124,使用者可自行控制施力大小,使第一导电体112陆续与第二导电体122、123、124接触而形成电性导通,藉此可输出多种不同讯号,如本实施例设有三个第二导电体122、123、124,可组合出三种讯号,若是设置两个第二导电体122、123,则可输出ニ种讯号,同理,若是设有四个第二导电体,则可输出四种讯号。 [0034] As shown in FIGS. 7 to be seen from FIG. 9, the present invention is by ー first conductive elements 112 corresponding to a plurality of second conductive bodies 122, 123 different distances, the user can control the size of their own force , first conductive material 112 in contact with the second conductive member successively formed 122, 123 are electrically conductive, whereby a plurality of different output signals, as in the present embodiment is provided with three second conductors 122, 123, 124, three kinds of signals can be combined, if the two second conductors 122 and 123 are provided, Ni species may output signals, Similarly, if the second conductor is provided with four, four kinds of signals can be output. 此外,设置于第一薄膜11的第一导电单元,也可由多个第一导电体构成,且该多个第一导电体的数量及位置与设置于第二薄膜12的多个第二导电体的数量及位置相互对应,每ー第一导电体分别对应于姆ー第二导电体。 In addition, a first conductive element disposed on the first film 11, a first plurality of conductors may also be constituted, and a plurality of the plurality of positions and the number of the first conductive member provided in the second conductive film 12 of the second body the number and position to each other, each of the first conductor ー Farm ー respectively correspond to the second conductor.

[0035] 综上所述,本实用新型提供的薄膜开关以及具有该薄膜开关的按键与键盘,藉由施力大小不同,可触发薄膜开关不同位置的导电体,使按压单一按键时,可得到不同讯号输出,可提高按键与键盘应用范围。 [0035] In summary, the present invention provides a membrane switch and a key of the keyboard having the membrane switch, by force of different sizes, can be triggered at different positions of the conductor membrane switch, the pressing a single button, the obtained different signal output can be improved and the range of the keyboard keys application.

[0036] 本实用新型已由上述相关实施例加以描述,然而上述实施例仅为实施本实用新型的范例。 [0036] The present invention has been described above be related embodiment, however, the above-described embodiments are merely exemplary embodiments of the present invention novel. 必需指出的是,已揭露的实施例并未限制本实用新型的范围。 It must be noted, it has been disclosed embodiments do not limit the scope of the present invention. 相反地,在不脱离本实用新型的精神和范围内所作的更动与润饰,均属本实用新型的专利保护范围。 Rather, modifications and variations without departing from the present invention made within the spirit and scope, are novel patentable scope of protection of the present invention.

Claims (10)

1. ー种薄膜开关,其特征在于包含: 第一薄膜,于该第一薄膜的一表面设有第一导电单元,该第一导电单元由至少ー第一导电体构成; 第二薄膜,设置于该第一薄膜具有该第一导电体的ー侧,该第二薄膜与该第一薄膜之间具有第一间距,该第二薄膜朝向该第一薄膜的表面设有第二导电单元,该第二导电单元对应于该第一导电单元,且由复数个第二导电体构成,该第二导电单元与该第一导电单元之间具有第二间距,其中之ー该第二导电体设置于该第二薄膜的第一位置,其中另ー该第ニ导电体设置于该第二薄膜的第二位置,该第一位置与该第二位置之间具有第一距离; 其中,该第一导电体于施第一カ使该第一薄膜与该第二薄膜相对靠近时与设置于该第一位置的第二导电体接触而形成电性导通;该第一导电体于施第二カ使该第一薄膜与该第ニ薄膜相对 1. ー species membrane switch, characterized by comprising: a first film, a first conductive element on a surface of the first film, the first conductive element is constituted by at least a first electrical conductor ー; second film provided to the first side of the first film having the ー conductive body, between the second film and the first film having a first pitch, the second surface of the film toward the first conductive film is provided with a second unit, which the second conductive element corresponding to the first conductive element, and is composed of a plurality of second conductive elements, the second conductive element between the first conductive unit having a second pitch, wherein the second conductive member disposed ー in the the first position of the second film, wherein the first Ni ー another conductor disposed in a second position of the second film, the first position having a first distance between the second position; wherein the first conductive ka applied to the first body such that the first contact with the second film when the film is relatively close to the second electrical conductor disposed in a first position to form the electrically conductive; the first application in that the second conductor ka the first film and the second film opposite ni 近时同时与设置于该第一位置及该第二位置的第二导电体接触而形成电性导通。 Nearly simultaneously provided to the first position and the second position of the second conductive contact member is formed is electrically conductive.
2.如权利要求I所述的薄膜开关,其特征在于又ー该第二导电体设置于该第二薄膜的第三位置,该第三位置与该第一位置之间具有第二距离,该第二距离大于该第一距离;其中,该第一导电体于施第三カ使该第一薄膜与该第二薄膜相对靠近时同时与设置于该第一位置、该第二位置以及该第三位置的第二导电体接触而形成电性导通。 2. The membrane switch according to claim I, wherein the second conductive member in turn ー disposed at a third position of the second film, the third position having a second distance between the first position and the the second distance is greater than the first distance; wherein the first conductor film such that the first and the second position simultaneously with the first and disposed in the first position relatively close to the second film, applied in the third ka a second conductive contact member is formed of three-position electrical conduction.
3.如权利要求2所述的薄膜开关,其特征在于设置于该第一位置的第二导电体呈圆形,设置于该第二位置及第三位置的第二导电体呈圆弧形,两个该圆弧形的第二导电体与该圆形的第二导电体同心。 3. The membrane switch according to claim 2, characterized in that disposed at the first position of the second conductive substantially circular, the second conductive member disposed in the second position and the third position of the circular arc, two second conductive member concentric with the circular second conductor of the arc-shaped.
4.如权利要求I所述的薄膜开关,其特征在于该第一导电单元具有ー个第一导电体,该复数个第二导电体对应于该第一导电体于第二薄膜上的正投影范围内;或者该第一导电单元设有复数个第一导电体,该复数个第一导电体与该复数个第二导电体的数量相同,且姆ー该第一导电体分别对应于姆ー该第二导电体。 4. The membrane switch according to claim I, wherein the first conductive unit having ー first conductive elements, the plurality of second conductive elements corresponding to the orthographic projection of the first conductive film on the second member the range; or the first unit is provided with a plurality of first conductive electrical conductor, the plurality of first conductor and the second number of the plurality of conductors is the same, and the Farm ー respectively correspond to the first conductor Farm ーthe second electrical conductor.
5.如权利要求I所述的薄膜开关,其特征在于该第一薄膜及该第二薄膜设有电路,该电路当该第一导电体与该第二导电体接触而形成电性导通时电性导通。 5 is formed electrically conductive thin film switch as claimed in claim I, wherein the first film and the second film has a circuit which when in contact with the first conductor to the second conductor when electrical conduction.
6.如权利要求I所述的薄膜开关,其特征在于更包括间隔层,该间隔层设置于该第一薄膜及该第二薄膜之间,该间隔层具有开孔,其中,该第一导电体当施カ使该第一薄膜与该第二薄膜相对靠近时通过该开孔与第二导电体接触而形成电性导通。 6. A membrane switch according to claim I, characterized by further comprising a spacer layer, the spacer layer disposed between the first film and the second film, the spacer layer having an opening, wherein the first conductive when administered ka body such that the first film and the second film to form electrically conductive contacts through the openings and the second conductor relatively close.
7. ー种薄膜开关按键,其特征在于包含: 基板; 如权利要求1-6任意一项所述的薄膜开关,设置于该基板的一表面; 键帽,设置于该薄膜开关远离该基板的ー侧; 弾性件,设置于该键帽与该基板之间,该弹性件具有凸件,该凸件的位置对应于该第一导电体,该凸件具有中心轴线; 支撑结构,设置于该键帽与该基板之间,且可活动的连接该键帽与该基板,以使该键帽可相对该基板上下运动; 其中,该凸件当施力于该键帽时被驱动沿其中心轴线方向移动与该薄膜开关接触,使该第一薄膜与该第二薄膜相对靠近。 7. ー species membrane switch keypad, characterized by comprising: a substrate; membrane switch according to any one of claims 1-6, disposed on a surface of the substrate; keycap disposed on the membrane switch away from the substrateー side; Tan resistance member, disposed between the keycap and the base plate, the resilient member having a projection member, the position corresponding to the projection of the first conductive member, the projection member having a central axis; a support structure disposed on the between the keycap and the base plate, and can be connected to the active substrate with the keycap such that the keycap can be moved up and down relative to the substrate; wherein, when the projection of the force on the keycap is driven in its center axial direction in contact with the membrane switch so that the first film and the second film are relatively close.
8.如权利要求7所述的薄膜开关按键,其特征在于该凸件的中心轴线通过该圆形的第ニ导电体的圆心。 8. The membrane switch keypad according to claim 7, characterized in that the central axis of the center conductor of the male part of the circle by ni.
9.如权利要求7所述的薄膜开关按键,其特征在于该支撑结构为剪刀式支撑结构,其由第一支架与第二支架相互枢接构成,该第一支架具有相对的两端,该第一支架的一端可活动的连接于该键帽,该第一支架的另一端可活动的连接于该基板,该第二支架具有相对的两端,该第二支架的一端可活动的连接于该键帽,该第二支架的另一端可活动的连接于该基板,该弹性件设置于该剪刀式支撑结构内。 9. The membrane switch keypad according to claim 7, characterized in that the support structure is a scissors-type support structure by a first holder and a second holder pivotally connected to each other constituting the first bracket having opposite ends, the movable end of the first bracket is connected to the key top, the other end of the first bracket is connected to the movable substrate, the second support having opposite ends, one end of the second movable bracket connected to the the keycap, the other end of the second movable bracket connected to the substrate, the resilient member is disposed in the scissors-type support structure.
10. ー种薄膜开关键盘,其特征在于包含: 基板; 如权利要求1-6中任意一项所述的薄膜开关,该薄膜开关设置于该基板的一表面; 复数个键帽,设置于该薄膜开关远离该基板的ー侧; 复数个弾性件,设置于该复数个键帽与该基板之间,该复数个弹性件分别具有凸件,复数个该凸件的位置分别对应于该复数个第一导电体,复数个该凸件具有中心轴线; 复数个支撑结构,设置于该复数个键帽与该基板之间,且可活动的连接该复数个键帽与该基板,以使该复数个键帽可相对该基板上下活动; 其中,该凸件当施力于该复数个键帽其中之一时被驱动沿其中心轴线方向移动与该薄膜开关接触,使该第一薄膜与该第二薄膜相对靠近。 10. The membrane switch keyboard ー species, characterized by comprising: a substrate; membrane switch according to any one of claims 1 to 6, the membrane switch is provided on a surface of the substrate; a plurality of key caps, disposed on the membrane switch ー remote side of the substrate; a plurality of Tan member, disposed between the plurality of key caps and the substrate, the plurality of elastic members each have a projection, the projection is a plurality of positions respectively corresponding to the plurality of a first conductive body, a plurality of the projection member having a central axis; a plurality of support structures, disposed between the plurality of key caps and the substrate, and connected to the plurality of key caps and the movable substrate, so that the complex a keycap up and down relative to the substrate; wherein, when the protrusion member to the driven movement of the contact force along the direction of the central axis of the membrane switch wherein one of the plurality of key top, so that the first and the second film relatively close to the film.
CN2011205590505U 2011-12-29 2011-12-29 Thin-film switch, key and keyboard with thin-film switch CN202434387U (en)

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