CN202434387U - Thin-film switch, key and keyboard with thin-film switch - Google Patents
Thin-film switch, key and keyboard with thin-film switch Download PDFInfo
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- 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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Abstract
本实用新型关于一种薄膜开关以及具有该薄膜开关的按键与键盘。该薄膜开关包含：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一第一导电体构成；第二薄膜，设置于该第一薄膜具有该第一导电体的一侧，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，其中之一该第二导电体设置于该第二薄膜的第一位置，其中另一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。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。
The utility model relates to a membrane switch and a button and a keyboard with the membrane switch. The membrane switch includes: a first membrane, a first conductive unit is arranged on a surface of the first membrane, and the first conductive unit is composed of at least one first conductor; a second membrane is arranged on the first membrane and has the On one side of the first conductor, the surface of the second film facing the first film is provided with a second conductive unit, the second conductive unit corresponds to the first conductive unit, and is composed of a plurality of second conductors, wherein One of the second conductors is disposed at the first position of the second film, and the other second conductor is disposed at the second position of the second film, and there is a first position between the first position and the second position. a distance. The membrane switch of the utility model and the button and keyboard with the membrane switch can trigger the conductors at different positions of the membrane switch by applying different forces, so that when a single button is pressed, different signal outputs can be obtained.
Description
Technical field
The utility model is about a kind of thin film switch and button and keyboard with this thin film switch; Especially vary in size by the application of force about a kind of; The electric conductor of thin film switch diverse location be can trigger, the thin film switch of different signal outputs and button and keyboard obtained with this thin film switch.
Background technology
Therefore thin film switch (thin film switch) is because volume is frivolous, and it is minimum to be widely used in the sound that various electronic products, especially thin film switch produced when pushing in recent years, is applicable to the button or the keyboard of various devices.
The structure of general thin film switch mainly comprises two films; Opposite position in the surface of two film relative orientations is respectively equipped with electric conductor; Constitute one group of switch by two set electric conductors of two film opposite positions, this electric conductor is connected in circuit set on the film, when pushing electric conductor that film makes opposite position and be in contact with one another; Can form and electrically conduct, that is touch should group switch.The button that has thin film switch with convention; Be by a keycap structure corresponding to one group of electric conductor, when pushing keycap, can touch one group of switch; In like manner; With regard to the keyboard that convention has thin film switch, though on keyboard, be provided with a plurality of buttons, each button only can touch one group of switch.In other words, the user can only export a signal when pushing a button.When the user with keyboard during as the control device of computer game, different actions must be by pushing different key control, for example, if will control four actions in upper and lower, left and right the time, must four buttons of control, operation and control is very inconvenience all.
The utility model content
In view of the deficiency of known techniques, button and keyboard that the utility model proposes a kind of thin film switch and has this thin film switch vary in size by the application of force, can trigger the electric conductor of thin film switch diverse location, obtain different signal outputs.
One of the utility model purpose is to provide a kind of thin film switch, and it comprises: the first film, be provided with first conductive unit in a surface of this first film, and this first conductive unit is made up of at least one first electric conductor; Second film; This second film is arranged at the side that this first film has this first electric conductor, has first spacing between this second film and this first film, and this second film is provided with second conductive unit towards the surface of this first film; This second conductive unit is corresponding to this first conductive unit; And be made up of a plurality of second electric conductors, have second spacing between this second conductive unit and this first conductive unit, one of them this second electric conductor is arranged at the primary importance of this second film; Wherein another this second electric conductor is arranged at the second place of this second film, has first distance between this primary importance and this second place; Wherein, this first electric conductor in first power of executing make this first film and this second film relatively near the time contact and form with second electric conductor that is arranged at this primary importance and electrically conduct; This first electric conductor in second power of executing make this first film and this second film relatively near the time contact with second electric conductor that is arranged at this primary importance and this second place simultaneously and form and electrically conduct.
Preferably, another this second electric conductor is arranged at the 3rd position of this second film, has second distance between the 3rd position and this primary importance, and this second distance is greater than this first distance; Wherein, this first electric conductor in the 3rd power of executing make this first film and this second film relatively near the time contact with second electric conductor that is arranged at this primary importance, this second place and the 3rd position simultaneously and form and electrically conduct.
Preferably, second electric conductor that is arranged at this primary importance is rounded, and second electric conductor that is arranged at this second place and the 3rd position is circular arc, and second electric conductor of two these circular arcs is concentric with second electric conductor of this circle.
Preferably, this first conductive unit has one first electric conductor, and these a plurality of second electric conductors are corresponding in the orthographic projection scope of this first electric conductor on second film; Perhaps this first conductive unit is provided with a plurality of first electric conductors, and these a plurality of first electric conductors are identical with the quantity of these a plurality of second electric conductors, and each this first electric conductor corresponds respectively to each this second electric conductor.
Preferably, the first film and this second film are provided with circuit, and this circuit when this first electric conductor contacts with this second electric conductor and forms when electrically conducting.
Preferably; This thin film switch more comprises wall; This wall is arranged between this first film and this second film; This wall has perforate, wherein, this first electric conductor when the application of force make this first film and this second film relatively near the time contact to form with second electric conductor through this perforate and electrically conduct.
Another purpose of the utility model is to provide a kind of thin film switch button, and it comprises: substrate; Aforesaid thin film switch, this thin film switch are arranged at a surface of this substrate; Keycap, this keycap are arranged at the side of this thin film switch away from this substrate; Elastic component, this elastic component are arranged between this keycap and this substrate, and this elastic component has male member, and the position of this male member is corresponding to this first electric conductor, and this male member has central axis; Supporting construction, this supporting construction are arranged between this keycap and this substrate, and this keycap of mobilizable connection and this substrate so that this keycap relatively this substrate move up and down; Wherein, this male member is driven to move with this thin film switch along its central axial direction when forcing in this keycap and is contacted, make this first film and this second film relatively near.
Preferably, the central axis of this male member is through the center of circle of second electric conductor of this circle.
Preferably; This supporting construction is scissor supporting construction, and it is articulated each other by first support and second support and constitutes, and this first support has relative two ends; Mobilizable this keycap that is connected in of one end of this first support; Mobilizable this substrate that is connected in of the other end of this first support, this second support has relative two ends, mobilizable this keycap that is connected in of an end of this second support; Mobilizable this substrate that is connected in of the other end of this second support, this elastic component is arranged in this scissor supporting construction.
A purpose again of the utility model is to provide a kind of thin film switch keyboard, and it comprises: substrate; Aforesaid thin film switch, this thin film switch are arranged at a surface of this substrate; A plurality of keycaps, these a plurality of keycaps are arranged at the side of this thin film switch away from this substrate; A plurality of elastic components, these a plurality of elastic components are arranged between these a plurality of keycaps and this substrate, and these a plurality of elastic components have male member respectively, and the position of a plurality of these male members corresponds respectively to this a plurality of first electric conductors, and a plurality of these male members have central axis; A plurality of supporting constructions, these a plurality of supporting constructions are arranged between these a plurality of keycaps and this substrate, and these a plurality of keycaps of mobilizable connection and this substrate so that these a plurality of keycaps this substrate is up and down relatively; Wherein, this male member when force in these a plurality of keycaps one of them the time driven to move with this thin film switch and contacted along its central axial direction, make this first film and this second film relatively near.
The thin film switch of the utility model and button and keyboard with this thin film switch; Vary in size by the application of force, can trigger the electric conductor of thin film switch diverse location, make when pushing one key; Different signal outputs can be obtained, button and keyboard applications scope can be improved.
Description of drawings
Fig. 1 is the structural representation of first embodiment of the utility model thin film switch the first film.
Fig. 2 is the structural representation of first embodiment of the utility model thin film switch second film.
Fig. 3 is the first film and the second film structure combining sketch map of the utility model thin film switch.
Fig. 4 is the structure enlarged drawing of A portion among Fig. 3.
Fig. 5 be among Fig. 4 along the B-B cross-sectional view.
Fig. 6 is the combination plan structure sketch map of the utility model thin film switch button embodiment.
Fig. 7 to Fig. 9 is that the application of force of pushing keycap varies in size, and triggers the structural representation of the different electric conductors of thin film switch position.
Embodiment
For making purpose, structure, characteristic and function thereof that further understanding arranged, cooperate embodiment to specify as follows now to the utility model.
See also Fig. 1 to shown in Figure 5, the thin film switch 10 that the utility model provided comprises the first film 11 and second film 12.Surface 111 in this first film 11 is provided with first conductive unit, and this first conductive unit is made up of first electric conductor 112.Second film 12 is arranged at the side that this first film 11 has first electric conductor 112; This second film 12 is provided with second conductive unit towards the surface 121 of this first film 11; This second conductive unit is corresponding to this first conductive unit; And be made up of a plurality of second electric conductors 122,123,124, one of them this second electric conductor 122 is arranged at the primary importance of second film 12, and wherein another this second electric conductor 123 is arranged at the second place of second film 12; Wherein another this second electric conductor 124 is arranged at the 3rd position of second film 12; Second electric conductor 122 that wherein is arranged at primary importance is rounded, and second electric conductor 123,124 that is arranged at the second place and the 3rd position is circular arc, and second electric conductor 123,124 of this two circular arc is concentric with second electric conductor 122 of this circle.Be provided with circuit 1121,1221,1231,1241 in the first film 11 and second film 12, connect this first electric conductor 112 and second electric conductor 122,123,124 respectively.
This first film 11 is provided with the surface 111 of first electric conductor 112 and circuit 1121; The surface 121 that is provided with second electric conductor 122,123,124 and circuit 1121,1221,1231,1241 with this second film 12 each other towards; Between the first film 11 and second film 12, be provided with wall 13 (seeing also Fig. 5), this wall 13 has perforate 131.The first film 11, wall 13, the second film 12 formation three layers structure that reclines each other; As shown in Figure 5; Second electric conductor 122,123,124 is corresponding in the orthographic projection scope of this first electric conductor 112 on second film 12, and this first electric conductor 112 is positioned at this perforate 131 with this second electric conductor 122,123,124.Have first apart from d1 between second electric conductor 122 of this primary importance and second electric conductor 123 of this second place; Have second distance d2 between second electric conductor 122 of this primary importance and second electric conductor 124 of the 3rd position, this second distance d2 greater than this first apart from d1.Has the first spacing d3 between second film 12 and the first film 11.When this thin film switch 10 does not receive external force pressure; (that is between second electric conductor 122,123,124 and this first electric conductor 112) has the second spacing d4 between this second conductive unit and this first conductive unit; Second electric conductor 122,123,124 and first electric conductor 112 are separated from each other; Present non-conductive state, as shown in Figure 5.
In addition; The first film 11 of above-mentioned thin film switch 10 and the position of second film 12 can be exchanged; Second electric conductor 122,123,124 and the circuit 1221,1231,1241 thereof that also are about to second film 12 and are arranged on second film 12 are arranged at the upper strata, and the first film 11 and first electric conductor 112 and 1121 in the circuit thereof that are arranged on the first film 11 are arranged at lower floor.
See also shown in Figure 6, the thin film switch button that the utility model provided, it comprises thin film switch 10, substrate 20, keycap 30, elastic component 40 and supporting construction 50.Thin film switch 10 is arranged at a surface of this substrate 20, and keycap 30 is arranged at the side of thin film switch 10 away from substrate 20, and elastic component 40 is arranged between this keycap 30 and this substrate 20 (that is this thin film switch 10).In present embodiment, thin film switch 10 is arranged at the end face of this substrate 20, and keycap 30 is arranged at the end face of thin film switch 10, and elastic component 40 is arranged between keycap 30 and the substrate 20.
The structure of this thin film switch 10 is identical with the structure of thin film switch 10 shown in Figure 5.Thin film switch 10 comprises the first film 11 and second film 12.Be provided with first conductive unit in the first film 11, this first conductive unit comprises first electric conductor 112.Be provided with second conductive unit in second film 12, this second conductive unit is made up of three second electric conductors 122,123,124.Between the first film 11 and second film 12, be provided with wall 13, this wall 13 has perforate 131, and 131 pairs of this perforates should first electric conductor 111 and this three second electric conductors 122,123,124.
This supporting construction 50 is scissor supporting construction; It intersects pivot joint each other by first support 51 and second support 52 and constitutes; This first support 51 has relative two ends; Mobilizable this keycap 30 that is connected in of a wherein end (that is top) of this first support 51; Mobilizable one of them grab 21 that is connected in this substrate 20 of the other end of this first support 51 (that is bottom), this second support 52 has relative two ends, mobilizable this keycap 30 that is connected in of a wherein end (that is top) of this second support 52; Mobilizable another grab 22 that is connected in this substrate 20 of the other end of this second support 52 (that is bottom), elastic component 40 is arranged in this scissor supporting construction.Supporting construction 50 is arranged between keycap 30 and the substrate 20, and mobilizable connection this keycap 30 and this substrate 20 can move up and down keycap 30 with respect to substrate 20 (that is with respect to this thin film switch 10).
See also shown in Figure 7; When the user imposes the first power F1 to keycap 30; Can drive male member 41 and sink, male member 41 is first area A 1 with the contact area of the first film 11, and male member 41 is oppressed in the first film 11; Support by substrate 20; Make the first film 11 and second film 12 relatively near, this first electric conductor 112 contacts to form with second electric conductor 122 that is positioned at primary importance (that is middle position) through this perforate 131 and electrically conducts, and sees through the circuit 1121,1221 (can consult shown in Figure 4) that first electric conductor 112 is connected with second electric conductor 122 again and exports first kind of signal.
See also shown in Figure 8; When the user imposed the second power F2 to keycap 30, this second power F2 can drive male member 41 and sink greater than this first power F1 shown in Figure 7; Male member 41 is oppressed in the first film 11; By the support of substrate 20, make the first film 11 and second film 12 relatively near because the second power F2 is greater than the first power F1; Therefore can make and produce bigger distortion when male member 41 and the first film 11 are in contact with one another; Male member 41 is second area A2 with the contact area of the first film 11, and this second area A2 is greater than this first area A 1 shown in Figure 7, and the area that causes the first film 11 to sink is bigger; Therefore can make this first electric conductor 112 contact to form with second electric conductor 122,123 that is arranged at this primary importance and this second place simultaneously and electrically conduct, see through second kind of signal of circuit 1121,1221,1231 (can consult shown in Figure 4) output that first electric conductor 112 is connected with second electric conductor 122,123 again through this perforate 131.
See also shown in Figure 9; When the user imposes the 3rd power F3 to keycap 30; The 3rd power F 3 is greater than Fig. 7 and this first power F1 shown in Figure 8, the second power F 3; Can drive male member 41 and sink, male member 41 is oppressed in the first film 11, by the support of substrate 20; Make the first film 11 and second film 12 relatively near; Produce bigger distortion when male member 41 and the first film 11 are in contact with one another because the second power F3 greater than the first power F1 and the second power F2, therefore can make, male member 41 is the 3rd area A 3 with the contact area of the first film 11; The 3rd area A 3 is greater than this first area A 1 shown in Figure 7 and this second area A2 shown in Figure 8; The area that causes the first film 11 to sink is bigger, therefore can make this first electric conductor 112 contact to form with second electric conductor 122,123,124 that is arranged at this primary importance, the second place and the 3rd position simultaneously through this perforate 131 and electrically conduct, and the circuit 1121,1221,1231,1241 (can consult shown in Figure 4) that is connected through first electric conductor 112, second electric conductor 122,123,124 is again exported the third signal.
Know to shown in Figure 9 that by Fig. 7 corresponding to different a plurality of second electric conductors 122,123,124 of distance, the user can control application of force size to the utility model voluntarily by one first electric conductor 112; First electric conductor 112 is contacted with second electric conductor 122,123,124 successively and form to electrically conduct, exportable by this multiple different signals are provided with three second electric conductors 122,123,124 like present embodiment; Capable of being combinedly go out three kinds of signals; If two second electric conductors 122,123 are set, then exportable two kinds of signals, in like manner; If be provided with four second electric conductors, then exportable four kinds of signals.In addition; Be arranged at first conductive unit of the first film 11; Also can constitute by a plurality of first electric conductors; And the quantity of these a plurality of first electric conductors and position are corresponding each other with the quantity and the position of a plurality of second electric conductors that are arranged at second film 12, and each first electric conductor corresponds respectively to each second electric conductor.
In sum, the thin film switch that the utility model provides and button and keyboard with this thin film switch vary in size by the application of force; Can trigger the electric conductor of thin film switch diverse location; Make when pushing one key, can obtain different signal outputs, can improve button and keyboard applications scope.
The utility model is described by above-mentioned related embodiment, yet the foregoing description is merely the example of implementing the utility model.Must be pointed out that the embodiment that has disclosed does not limit the scope of the utility model.On the contrary, change and the retouching in spirit that does not break away from the utility model and scope, done all belong to the scope of patent protection of the utility model.
Claims (10)
1. thin film switch is characterized in that comprising:
The first film is provided with first conductive unit in a surface of this first film, and this first conductive unit is made up of at least one first electric conductor;
Second film; Be arranged at this first film and have a side of this first electric conductor, have first spacing between this second film and this first film, this second film is provided with second conductive unit towards the surface of this first film; This second conductive unit is corresponding to this first conductive unit; And be made up of a plurality of second electric conductors, have second spacing between this second conductive unit and this first conductive unit, one of them this second electric conductor is arranged at the primary importance of this second film; Wherein another this second electric conductor is arranged at the second place of this second film, has first distance between this primary importance and this second place;
Wherein, this first electric conductor in first power of executing make this first film and this second film relatively near the time contact and form with second electric conductor that is arranged at this primary importance and electrically conduct; This first electric conductor in second power of executing make this first film and this second film relatively near the time contact with second electric conductor that is arranged at this primary importance and this second place simultaneously and form and electrically conduct.
2. thin film switch as claimed in claim 1 is characterized in that another this second electric conductor is arranged at the 3rd position of this second film, has second distance between the 3rd position and this primary importance, and this second distance is greater than this first distance; Wherein, this first electric conductor in the 3rd power of executing make this first film and this second film relatively near the time contact with second electric conductor that is arranged at this primary importance, this second place and the 3rd position simultaneously and form and electrically conduct.
3. thin film switch as claimed in claim 2; Second electric conductor that it is characterized in that being arranged at this primary importance is rounded; Second electric conductor that is arranged at this second place and the 3rd position is circular arc, and second electric conductor of two these circular arcs is concentric with second electric conductor of this circle.
4. thin film switch as claimed in claim 1 is characterized in that this first conductive unit has one first electric conductor, and these a plurality of second electric conductors are corresponding in the orthographic projection scope of this first electric conductor on second film; Perhaps this first conductive unit is provided with a plurality of first electric conductors, and these a plurality of first electric conductors are identical with the quantity of these a plurality of second electric conductors, and each this first electric conductor corresponds respectively to each this second electric conductor.
5. thin film switch as claimed in claim 1 is characterized in that this first film and this second film are provided with circuit, and this circuit when this first electric conductor contacts with this second electric conductor and forms when electrically conducting.
6. thin film switch as claimed in claim 1; It is characterized in that more comprising wall; This wall is arranged between this first film and this second film; This wall has perforate, wherein, this first electric conductor when the application of force make this first film and this second film relatively near the time contact to form with second electric conductor through this perforate and electrically conduct.
7. thin film switch button is characterized in that comprising:
Substrate;
Like any described thin film switch of claim 1-6, be arranged at a surface of this substrate;
Keycap is arranged at the side of this thin film switch away from this substrate;
Elastic component is arranged between this keycap and this substrate, and this elastic component has male member, and the position of this male member is corresponding to this first electric conductor, and this male member has central axis;
Supporting construction is arranged between this keycap and this substrate, and this keycap of mobilizable connection and this substrate so that this keycap relatively this substrate move up and down;
Wherein, this male member is driven to move with this thin film switch along its central axial direction when forcing in this keycap and is contacted, make this first film and this second film relatively near.
8. thin film switch button as claimed in claim 7 is characterized in that the center of circle of the central axis of this male member through second electric conductor of this circle.
9. thin film switch button as claimed in claim 7; It is characterized in that this supporting construction is scissor supporting construction, it is articulated each other by first support and second support and constitutes, and this first support has relative two ends; Mobilizable this keycap that is connected in of one end of this first support; Mobilizable this substrate that is connected in of the other end of this first support, this second support has relative two ends, mobilizable this keycap that is connected in of an end of this second support; Mobilizable this substrate that is connected in of the other end of this second support, this elastic component is arranged in this scissor supporting construction.
10. thin film switch keyboard is characterized in that comprising:
Substrate;
Like any described thin film switch among the claim 1-6, this thin film switch is arranged at a surface of this substrate;
A plurality of keycaps are arranged at the side of this thin film switch away from this substrate;
A plurality of elastic components are arranged between these a plurality of keycaps and this substrate, and these a plurality of elastic components have male member respectively, and the position of a plurality of these male members corresponds respectively to this a plurality of first electric conductors, and a plurality of these male members have central axis;
A plurality of supporting constructions are arranged between these a plurality of keycaps and this substrate, and these a plurality of keycaps of mobilizable connection and this substrate so that these a plurality of keycaps this substrate is up and down relatively;
Wherein, this male member when force in these a plurality of keycaps one of them the time driven to move with this thin film switch and contacted along its central axial direction, make this first film and this second film relatively near.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011205590505U CN202434387U (en) | 2011-12-29 | 2011-12-29 | Thin-film switch, key and keyboard with thin-film switch |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011205590505U CN202434387U (en) | 2011-12-29 | 2011-12-29 | Thin-film switch, key and keyboard with thin-film switch |
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| CN202434387U true CN202434387U (en) | 2012-09-12 |
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| CN2011205590505U Expired - Fee Related CN202434387U (en) | 2011-12-29 | 2011-12-29 | Thin-film switch, key and keyboard with thin-film switch |
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