CN201123174Y - Film switch circuit and press key using the same - Google Patents

Film switch circuit and press key using the same Download PDF

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Publication number
CN201123174Y
CN201123174Y CNU2007201255075U CN200720125507U CN201123174Y CN 201123174 Y CN201123174 Y CN 201123174Y CN U2007201255075 U CNU2007201255075 U CN U2007201255075U CN 200720125507 U CN200720125507 U CN 200720125507U CN 201123174 Y CN201123174 Y CN 201123174Y
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China
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circuit
insulating layer
adhesive layer
key
switch
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CNU2007201255075U
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Chinese (zh)
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叶亮达
颜志仲
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达方电子股份有限公司
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Priority to CNU2007201255075U priority Critical patent/CN201123174Y/en
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Publication of CN201123174Y publication Critical patent/CN201123174Y/en

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Abstract

The utility model provides a membrane switching circuit and a key using the membrane switching circuit. The key comprises an elastic component arranged on the membrane switching circuit. The membrane switching circuit comprises a membrane circuit, an adhesive layer and an insulating layer. A switch is arranged on the membrane circuit, the adhesive layer with at least one notch is formed on the membrane circuit and surrounds the switch, the insulating layer is formed on the adhesive layer, the insulating layer is provided with a hole, the switch is exposed in the hole, and a bottom of the elastic component is stuck to the insulating layer. Especially, the at least one notch covered by the bottom of the elastic component is used as at least one exhaust hole.

Description

薄膜开关电路及应用该薄膜开关电路的按键 Key membrane switch circuit and the application of the membrane switch circuit

技术领域 FIELD

本实用新型关于一种薄膜开关电路(membrane switch circuit)及应用该薄膜开关电路的按键(keyswitch)。 The present invention relates to a membrane switch circuit (membrane switch circuit) and the key application of the membrane switch circuit (keyswitch).

背景技术 Background technique

键盘是目前最普遍的输入装置,其可以应用在各种电子设备,如家用电脑、笔记本电脑、个人数字助理或其他类似电子设备。 The keyboard is currently the most common input device, which can be used in a variety of electronic devices such as home computers, laptops, personal digital assistant, or other similar electronic devices. 由于薄膜式键盘在按压按键时产生的声音较小,故已被广泛地使用。 Since the membrane keypad sound generated when the key is pressed is small, it has been widely used.

在薄膜式键盘的按键的制造过程中,会将一弹性元件粘合至一薄膜开关电路的一绝缘层上。 In the manufacturing process of the key in the membrane keypad, a resilient element will be bonded to an insulating layer on a membrane switch circuit. 此种弹性元件在按压过程中深受弹性元件内部的空气影响。 Such an elastic member by the influence of air inside the elastic member in the pressing process. 若按键本身有设计排气孔,将使得弹性元件在按压及回弹的过程中较顺利,以提升使用者在使用键盘上的顺畅度。 When the key itself is designed to vent, so that the elastic member in the pressing process and spring back more smoothly, to enhance the smoothness of the user in using the keyboard.

然而,排气孔的位置的设计也是一个重要的考虑。 However, the design of vent position is also an important consideration. 举例而言,美国专利6,191,776B1即提供一种具有排气孔的按键结构。 For example, U.S. Patent No. 6,191,776B1 i.e. provide a key structure having a vent. 虽然该排气孔达到排气的功能,但由于其形成于底板,故存在液体(例如水或饮料等)从排气孔灌入键盘中的风险,使键盘内的电路遭受损害。 Although the function of the exhaust gas reaches the exhaust hole, but since it is formed in the bottom plate, so there is a liquid (e.g., water or beverage, etc.) poured risk keyboard from the exhaust hole, so that the circuitry within the keyboard suffer damage.

因此,本实用新型的主要目的在于提供一种应用于一按键的薄膜开关电路,以解决上述问题。 Accordingly, the main object of the present invention is to provide a film applied to a key switch circuit, in order to solve the above problems.

实用新型内容 SUMMARY

本实用新型的一目的在于提供一种薄膜开关电路及应用该薄膜开关电路的一按键。 An object of the present invention is to provide a membrane switch circuit and a key application of the membrane switch circuit. 该按键包括一弹性构件(deformable member),并且该弹性构件设置于该薄膜开关电路之上。 The key comprises a resilient member (deformable member), and the resilient member is disposed on the membrane switch circuit.

为了实现本实用新型的目的,根据本实用新型的一具体实施例,该薄膜开关电路包括一薄膜电路(membrane circuit)、一粘着层(adhering layer)以及一绝缘层(insulating layer)。 In order to achieve the object of the present invention, according to the present invention a particular embodiment, the membrane switch circuit comprises a thin film circuit (membrane circuit), an adhesive layer (adhering layer) and an insulating layer (insulating layer).

该薄膜电路其上具有一开关(switch)。 The film thereon having a switch circuit (switch). 该粘着层形成于该薄膜电路上并且环绕该开关。 The adhesive layer is formed on the film around the circuit and switch. 该粘着层具有至少一个缺口(gap)。 The adhesive layer having at least one aperture (gap). 该绝缘层形成于该粘着层上。 The insulating layer is formed on the adhesive layer. 该绝缘层具有一孔洞(hole),并且该开关暴露于该孔洞中。 The insulating layer having a hole (hole), and the switch is exposed to the hole.

该弹性构件的一底部将粘着至该绝缘层并且,特别地,由该弹性构件的该底部覆盖的该至少一个缺口作为至少一个排气孔(vent)。 A bottom portion of the elastic member will be adhered to the insulating layer and, in particular, the bottom portion of the elastic member covering the at least one notch as the at least one vent (vent).

根据本实用新型的另一具体实施例为一种按键。 According to another embodiment of the present invention as a particular key. 该按键包括一键帽(keycap)、一基板(substrate)、一薄膜电路、一粘着层、一绝缘层、一弹性构件及一支撑装置(supporting device)。 The key comprises a key cap (keycap), a substrate (Substrate), a membrane circuit, an adhesive layer, an insulating layer, an elastic member and a supporting means (supporting device).

该薄膜电路设置于该基板上并且该薄膜电路其上具有一开关。 The thin film circuit is disposed on the substrate and the film thereon having a switch circuit. 该粘着层形成于该薄膜电路上并且环绕该开关,该粘着层具有至少一个缺口。 The adhesive layer is formed on the thin film and surrounding the switch circuit, the adhesive layer having at least one notch. 该绝缘层形成于该粘着层上。 The insulating layer is formed on the adhesive layer. 该绝缘层具有一孔洞,并且该开关暴露于该孔洞中。 The insulating layer having a hole, and the switch is exposed to the hole. 该弹性构件以其本身的一底部粘着至该绝缘层。 The resilient member in its own adhered to a bottom of the insulating layer. 特别地,由该弹性构件的该底部覆盖的该至少一个缺口作为至少一个排气孔。 In particular, the bottom portion of the elastic member is covered by the at least one aperture as the at least one vent.

该支撑装置分别可活动地衔接至该键帽及该基板。 The support means are movably engagable to the keycap and the substrate. 该支撑装置支撑该键帽做相对于该基板的垂直移动,并且该弹性构件回应于该键帽的移动被致动进而开启该开关。 The support means for supporting the vertical movement of the key cap relative to do the substrate, and the elastic member in response to movement of the keycap is actuated in turn turns on the switch. 当该键帽朝向该基板移动时,该弹性构件中的空气由该至少一个排气孔逸出。 When the keycap moves toward the substrate, the resilient member by the at least one air escape vent.

本实用新型的优点在于,相较于先前技术,根据本实用新型的适用于按键的薄膜开关电路由于本身有设计排气孔,将使得按键中的弹性构件在被按压及回弹的过程中较顺利,以提升使用者在使用键盘上的顺畅度。 The present invention has the advantage that, compared to prior art, the present novel practical to apply a key switch circuit since the membrane itself is designed to vent, so that the elastic member than the keys is pressed during the rebound and well, to improve the smoothness of the user in the use of the keyboard. 此外,由于排气孔设计在薄膜开关电路中,因此可以避免液体从排气孔灌入键盘中,致使键盘内的电路遭受损害。 Further, since the exhaust hole in the membrane switch circuit design, thus avoiding the liquid poured from the exhaust hole in the keyboard, the keyboard circuit causes suffer damage.

关于本实用新型的优点与精神可以借由以下的实用新型详述及附图得到进一步的了解。 About the advantages of the present invention can be obtained by means of the spirit of the following detailed description of the invention and the accompanying drawings for further understanding.

附图说明 BRIEF DESCRIPTION

图1示出根据本实用新型的一具体实施例的一种用于一按键的薄膜开关电路。 Figure 1 shows a membrane switch circuit for a key according to the present invention a particular embodiment.

图2示出根据本实用新型的一具体实施例的薄膜开关电路的剖面视图。 Figure 2 shows a cross-sectional view of the membrane switch of the present invention is a specific circuit embodiment.

图3示出根据本实用新型的另一具体实施例的一种按键。 FIG 3 shows an embodiment of a key according to the present invention further specifically.

主要元件符号说明 The main element SIGNS LIST

1:薄膜开关电路 2:弹性构件 1: membrane switch circuit 2: the elastic member

10:薄膜电路 12:粘着层 10: thin film circuit 12: adhesive layer

14:绝缘层 100:开关 14: insulating layer 100: switch

140:孔洞 3:按键 140: hole 3: Key

30:键帽 32:基板 30: Cap 32: substrate

34:薄膜电路 36:粘着层 34: thin film circuit 36: adhesive layer

38:绝缘层 40:弹性构件 38: insulating layer 40: elastic member

42:支撑装置 340:开关 42: support means 340: switch

380:孔洞 3400:第一导电部分 380: 3400 holes: a first conductive portion

3402:第二导电部分 3402: The second conductive portion

具体实施方式 Detailed ways

请参阅图1。 See Figure 1. 图1示出根据本实用新型的一具体实施例的一种用于一按键的薄膜开关电路1。 Figure 1 shows a membrane switch circuit 1 for a key according to the present invention a particular embodiment. 如图1所示,该按键中的一弹性构件2设置于该薄膜开关电路1之上。 As shown in FIG. 1, a resilient member of the key 2 is disposed on the membrane switch circuit.

如图1所示,该薄膜开关电路1包括一薄膜电路10、一粘着层12以及一绝缘层14。 As shown in FIG. 1, the membrane switch circuit 1 comprises a circuit film 10, an adhesive layer 12 and an insulating layer 14.

在一具体实施例中,该薄膜电路10大体上可以由一聚对苯二甲酸乙二醇酯(Polyethylene Terephthalate,PET)所制成。 In a particular embodiment, the thin film circuit 10 may be substantially composed of a polyethylene terephthalate (Polyethylene Terephthalate, PET) made.

该薄膜电路10其上具有一开关100。 10 on which the circuit thin film 100 having a switch. 该粘着层12形成于该薄膜电路10上并且环绕该开关100。 The adhesive layer 12 is formed on the circuit film 10 and surrounds the switch 100. 该粘着层12具有至少一个缺口。 The adhesive layer 12 has at least one notch. 在此实施例中,该粘着层12以具有一个缺口为例,但在实际应用中则不以此为限。 In this embodiment, the adhesive layer 12 having a notch as an example, but in practical applications is not limited thereto.

在一具体实施例中,该粘着层12可以由一防水胶所制成,但不以此为限。 In a particular embodiment, the adhesive layer 12 may be made from a waterproof plastic, but not limited thereto.

请参阅图2。 See Figure 2. 图2示出根据本实用新型的一具体实施例的薄膜开关电路1的剖面视图。 Figure 2 shows a cross-sectional view of the membrane switch circuit 1 according to the present embodiment of the invention a particular embodiment.

如图2所示,该绝缘层14形成于该粘着层12上。 As shown in FIG. 2, the insulating layer 14 is formed on the adhesive layer 12. 该绝缘层14具有一孔洞140,并且该开关100暴露于该孔洞140中。 The insulating layer 14 has a hole 140, and the switch 100 in the hole 140 is exposed. 在实际应用中,该绝缘层14可以由一树脂(resin)所制成。 In practice, the insulating layer 14 may be made of a resin (resin).

该弹性构件2的一底部粘着至该绝缘层14,并且,特别地,由该弹性构件2的该底部覆盖的该至少一个缺口可以作为至少一个排气孔。 The elastic member 2 is adhered to a bottom of the insulating layer 14, and, in particular, the elastomeric cover of the base member 2, as the at least one notch at least one vent. 因此,当该弹性构件2被按压时,该弹性构件2的腔体内的空气可以借由该至少一个排气孔逸出至大气中。 Thus, when the resilient member 2 is pressed, the air within the cavity of the elastic member 2 can escape to the atmosphere by means of the at least one vent hole. 借此,该弹性构件2在被按压及回弹的过程中将较顺利,以帮助使用者在使用键盘上更为顺畅。 Accordingly, the resilient member 2 more smoothly in the process of being pressed and rebound, to help the user using the keyboard on more smoothly.

请参阅图3。 See Figure 3. 图3示出根据本实用新型的另一具体实施例的一种按键3。 FIG 3 shows an embodiment of a key 3 of the present invention further specifically.

如图3所示,该按键3包括一键帽(keycap)30、一基板(substrate)32、一薄膜电路34、一粘着层36、一绝缘层38、一弹性构件40及一支撑装置(supporting device)42。 3, the key 3 comprises a keycap (keycap) 30, a substrate (substrate) 32, a circuit film 34, 36, an insulating layer 38, an elastic member 40, and a supporting means (Supporting an adhesive layer device) 42.

在一具体实施例中,该薄膜电路34大体上可以由一聚对苯二甲酸乙二醇酯(Polyethylene Terephthalate,PET)所制成。 In a particular embodiment, the thin film circuit 34 may be substantially composed of a polyethylene terephthalate (Polyethylene Terephthalate, PET) made.

该薄膜电路34设置于该基板32上并且该薄膜电路34其上具有一开关340。 The film circuit 34 is provided on the substrate 32 and the film 34 on which the circuit has a switch 340.

该开关340包括一第一导电部分(conductive portion)3400以及一与该第一导电部分3400分离的第二导电部分3402。 The switch 340 includes a first conductive portion (conductive portion) 3400, and a separate 3400 from the first conductive portion of the second conductive portion 3402. 在实际应用中,该第一导电部分3400以及该第二导电部分3402并且可以被一碳胶(carbon paste)披覆。 In practical applications, the first conductive portion 3400 and the second conductive portion 3402 and may be a carbon paste (carbon paste) cladding.

该粘着层36形成于该薄膜电路34上并且环绕该开关340,该粘着层36具有至少一个缺口。 The adhesive layer 36 is formed on the circuit film 34 and surrounds the switch 340, the adhesive layer 36 having at least one notch. 在此实施例中,该粘着层36以具有一个缺口为例,但不以此为限。 In this embodiment, the adhesive layer 36 having a notch as an example, but not limited thereto.

在一具体实施例中,该粘着层36可以由一防水胶所制成,但不以此为限。 In a particular embodiment, the adhesive layer 36 may be made of a waterproof plastic, but not limited thereto.

该绝缘层38形成于该粘着层36上。 The insulating layer 38 is formed on the adhesive layer 36. 该绝缘层38具有一孔洞380,并且该开关340暴露于该孔洞380中。 The insulating layer 38 has a hole 380, and the switch 340 is exposed to the hole 380. 该弹性构件40以其本身的一底部粘着至该绝缘层38。 The elastic member 40 in its own adhered to a bottom of the insulating layer 38. 特别地,由该弹性构件40的该底部覆盖的该至少一个缺口作为至少一个排气孔。 In particular, covering the bottom of the elastic member 40 by the at least one aperture as the at least one vent.

该支撑装置42分别可活动地衔接至该键帽30及该基板32。 The support means 42 are movably engagable to the keycap 30 and the substrate 32. 该支撑装置42支撑该键帽30做相对于该基板32的垂直移动。 The support means 42 for supporting the key top 30 made vertically movable with respect to the substrate 32. 该弹性构件40其中包括一接触部分(未显示于图3中)。 Wherein the resilient member comprises a contact portion 40 (not shown in FIG. 3). 随着该弹性构件40回应于该键帽30的移动被压下,该接触部分同时接触该第一导电部分3400以及该第二导电部分3402进而开启该开关340。 With the resilient member 40 is depressed in response to movement of the keycap 30, while contacting the contact portion of the first conductive portion 3400 and the second conductive portion 3402 turns on the switch 340 in turn. 此外,当该键帽30朝向该基板32移动时,该弹性构件40中的空气由该至少一个排气孔逸出。 Further, when the key top 30 moves toward the substrate 32, air 40 escaping the resilient member by the at least one vent.

相较于先前技术,根据本实用新型的适用于按键的薄膜开关电路由于本身有设计排气孔,将使得按键中的弹性构件在被按压及回弹的过程中较顺利,以提升使用者在使用键盘上的顺畅度。 Compared to the prior art, the membrane switch circuit according to the present invention applied to the key itself due to the design of the vent, the elastic member such that the key is pressed more smoothly in a process of rebound and to improve the user use smoothness on the keyboard. 此外,由于排气孔设计在薄膜开关电路中,因此可以避免液体从排气孔灌入键盘中致使键盘内的电路遭受损害。 Further, since the design of the vent membrane switch circuit, the liquid circuit can be avoided in the Keyboard poured suffer damage resulting from the exhaust hole.

借由以上优选具体实施例的详述,希望能更加清楚描述本实用新型的特征与精神,而并非以上述所公开的优选具体实施例来对本实用新型的范畴加以限制。 From the above preferred embodiments described in detail by specific examples, hoping to more clearly describe the spirit of invention and features of the present, and not to the above disclosed preferred embodiments to limit the scope of the present invention. 相反地,其目的是希望能涵盖各种改变及具相等性的安排于本实用新型的范畴内。 Conversely, its purpose is to be able to cover various modifications and arrangements within the scope of the present invention with the equality. 因此,本实用新型的范畴应该根据上述的说明作最宽广的解释,以致使其涵盖所有可能的改变以及具相等性的安排。 Accordingly, the scope of the present invention should be interpreted in the broadest description of the above, so as to encompass all the possible changes and arrangements with equality.

Claims (12)

1. 一种用于一按键的薄膜开关电路,该按键包括一弹性构件,该弹性构件设置于该薄膜开关电路之上,其特征在于, A membrane switch is a key circuit for the key comprises a resilient member, the resilient member is disposed on the membrane switch circuit, wherein,
该薄膜开关电路包括: The membrane switch circuit comprises:
一薄膜电路,该薄膜电路其上具有一开关; A thin film circuit, on which the thin film circuit having a switch;
一粘着层,该粘着层形成于该薄膜电路上并且环绕该开关,该粘着层具有至少一个缺口;以及 An adhesive layer, the adhesive layer is formed on the thin film and surrounding the switch circuit, the adhesive layer having at least one aperture; and
一绝缘层,该绝缘层形成于该粘着层上,该绝缘层具有一孔洞,该开关暴露于该孔洞中; An insulating layer, the insulating layer is formed on the adhesive layer, the insulating layer having a hole, the hole in the switch is exposed to;
其中该弹性构件的一底部粘着至该绝缘层,并且由该弹性构件的该底部覆盖的该至少一个缺口作为至少一个排气孔。 Wherein the elastic member is adhered to a bottom of the insulating layer, and covers the bottom portion of the elastic member by the at least one notch as the at least one vent.
2. 根据权利要求1所述的薄膜开关电路,其中该薄膜电路由一聚对苯二甲酸乙二醇酯所制成。 The membrane switch circuit according to claim 1, wherein the film consists of a circuit made of polyethylene terephthalate esters.
3. 根据权利要求1所述的薄膜开关电路,其中该绝缘层由一树脂所制成。 3. The membrane switch circuit according to claim 1, wherein the insulating layer is made of a resin.
4. 根据权利要求1所述的薄膜开关电路,其中该粘着层由一防水胶所制成。 4. The membrane switch circuit according to claim 1, wherein the adhesive layer is made of a waterproof glue.
5. 根据权利要求1所述的薄膜开关电路,其中该弹性构件由一橡胶所制成。 The membrane switch circuit according to claim 1, wherein the elastic member is made of a rubber.
6. 一种按键,包括: A button, comprising:
一键帽; A keycap;
一基板; A substrate;
其特征在于,所述按键还包括: Wherein said key further comprises:
一薄膜电路,该薄膜电路设置于该基板上并且该薄膜电路其上具有一开关; A thin film circuit, the thin film circuit is disposed on the substrate and the film thereon having a switch circuit;
一粘着层,该粘着层形成于该薄膜电路上并且环绕该开关,该粘着层具有至少一个缺口; An adhesive layer, the adhesive layer is formed on the thin film and surrounding the switch circuit, the adhesive layer having at least one aperture;
一绝缘层,该绝缘层形成于该粘着层上,该绝缘层具有一孔洞,该开关暴露于该孔洞中; An insulating layer, the insulating layer is formed on the adhesive layer, the insulating layer having a hole, the hole in the switch is exposed to;
一弹性构件,该弹性构件以其本身的一底部粘着至该绝缘层,其中由该弹性构件的该底部覆盖的该至少一个缺口作为至少一个排气孔;以及 A resilient member, the resilient member in its own adhered to a bottom of the insulating layer, wherein the cover by the bottom of the elastic member as the at least one notch at least one vent hole; and
一支撑装置,该支撑装置分别可活动地衔接至该键帽及该基板,该支撑装置支撑该键帽做相对于该基板的垂直移动,其中该弹性构件回应于该键帽的移动被致动进而开启该开关,当该键帽朝向该基板移动时,该弹性构件中的空气由该至少一个排气孔逸出。 A support means, the support means are movably engagable to the keycap and the substrate, the support means do the vertical movement of the key cap relative to the substrate, wherein the elastic member in response to movement of the keycap is actuated Furthermore the switch is turned on, when the keycap moves toward the substrate, the resilient member by the at least one air escape vent.
7. 根据权利要求6所述的按键,其中该薄膜电路由一聚对苯二甲酸乙二醇酯所制成。 7. The key according to claim 6, wherein the film consists of a circuit made of polyethylene terephthalate esters.
8. 根据权利要求6所述的按键,其中该绝缘层由一树脂所制成。 8. The key according to claim 6, wherein the insulating layer is made of a resin.
9. 根据权利要求6所述的按键,其中该粘着层由一防水胶所制成。 9. The key according to claim 6, wherein the adhesive layer is made of a waterproof glue.
10. 根据权利要求6所述的按键,其中该弹性构件由一橡胶所制成。 10. The key according to claim 6, wherein the elastic member is made of a rubber.
11. 根据权利要求6所述的按键,其中该开关包括一第一导电部分以及一与该第一导电部分分离的第二导电部分,该弹性构件其中包括一接触部分,随着该弹性构件回应于该键帽的移动被压下,该接触部分同时接触该第一导电部分以及该第二导电部分进而开启该开关。 11. The key according to claim 6, wherein the switch comprises a first and a conductive portion separated from the first conductive portion of the second conductive portion, wherein the resilient member comprises a contact portion with the resilient member responded to movement of the keycap is depressed, the contact portion simultaneously contacts the first conductive portion and the second conductive portion and further turns on the switch.
12. 根据权利要求11所述的按键,其中该第一导电部分以及该第二导电部分并且被一碳胶披覆。 12. The key according to claim 11, wherein the first conductive portion and the second conductive portion and a carbon paste is coated.
CNU2007201255075U 2007-08-17 2007-08-17 Film switch circuit and press key using the same CN201123174Y (en)

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