CN203644615U - Film keyboard possessing N-key rollover and backlight functions - Google Patents
Film keyboard possessing N-key rollover and backlight functions Download PDFInfo
- Publication number
- CN203644615U CN203644615U CN201320776171.4U CN201320776171U CN203644615U CN 203644615 U CN203644615 U CN 203644615U CN 201320776171 U CN201320776171 U CN 201320776171U CN 203644615 U CN203644615 U CN 203644615U
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- membrane keyboard
- punching
- pcb board
- circuit
- full key
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Abstract
The utility model discloses and provides a film keyboard possessing N-key rollover and backlight functions, which is simple in structure and low in production cost, and enables any appointed key to be backlight. The film keyboard comprises a film line layer, a film spacer layer and a PCB which are arranged orderly from top to bottom, the lower surface of the film line layer is equipped with a column circuit of a matrix circuit and a plurality of upper contacts located on the column circuit, and the upper surface of the PCB is equipped with a row circuit of the matrix circuit and a plurality of lower contacts located on the row circuit. The lower surface of the PCB is equipped with diodes for isolating key circuits and LED elements, the upper contacts and the lower contacts are arranged correspondingly and form film switches, and through holes are arranged on the film spacer layer to correspond to the upper and lower contacts. The film keyboard possessing the N-key rollover and backlight functions of the utility model can be widely used in the keyboard field.
Description
Technical field
The utility model relates to a kind of membrane keyboard of full key board without punching and backlight function that have.
Background technology
Along with the development of computer; the update of computer software and constantly upgrading; become people with computer Entertainment and used the requisite project of computer; in present most computer game; often there will be the situation of game fight under way bucket, so just require player also to need to pin the colleague who pins directionkeys and other key such as fight.Keyboard of the prior art generally adopts matrix form arrangement mode, button can influence each other, general keyboard can only support any 2 buttons to press simultaneously, if press 3 buttons simultaneously, and 3 buttons just form the words of right angle 3 dihedrals in matrix, because 3 buttons form paths, will cause keyboard cannot judge which key supresses.In order to address this problem, in key switch, to isolate button impact be each other feasible to series diode, this is a large amount of multikeys that adopt or the full key board mature technology without punching in mechanical key keyboard, but the matrix circuit of membrane keyboard is film, be difficult to welding diode, so membrane keyboard does not have ripe multikey or the full key board technology without punching that realizes, if this has caused needing multikey or full key board without rushing keyboard, just must use mechanical keyboard, but mechanical keyboard not only cost is very high, be difficult to universal, and simultaneously, part user often wants with some interim button of specifying that highlights backlight, so that identification, prevent misoperation, only have on the market at present mechanical keyboard can easily realize above-mentioned functions, and although membrane keyboard also has with backlight function, but substantially can only realize all buttons has backlight or all turns off backlight, have backlight and be difficult to realize any specified button, and other button can be turned off function backlight.
In sum, existing membrane keyboard product is difficult to meet user's requirement, exists certain deficiency.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provide a kind of simple in structure, production cost is low, can realize any specified button backlight there is full key board without punching and the membrane keyboard of backlight function.
The technical scheme that the utility model adopts is: the utility model comprises the wiring thin film layer setting gradually from top to bottom, film spacer layer and pcb board, the lower surface of described wiring thin film layer is provided with the alignment circuit of matrix circuit and is positioned at the multiple upper contacts on described alignment circuit, the upper surface of described pcb board is provided with the line circuit of matrix circuit and is positioned at the multiple lower contacts on described line circuit, described pcb board lower surface is provided with the diode of emitting led element and isolation key circuit, described upper contact is corresponding with described lower contact arranges and forms thin film switch, position corresponding with described upper contact and described lower contact in described film spacer layer is provided with through hole.
Described membrane keyboard also comprises middle plate, be arranged on several keycaps on the button supporter of described middle plate, the silica gel bowl that is positioned at described keycap below and contacts with described wiring thin film layer, screw is threaded to compress described pcb board through described pcb board with described middle plate, is provided with the loophole for seeing through described emitting led element light on described pcb board.
Described keycap and described button supporter are slidably matched, and the step of the hook embedding portion of described keycap lower end and described button supporter inside is clasped.
The top of described silica gel bowl contacts with the guide pillar in the middle of described keycap, and the lower end of described silica gel bowl is provided with jut.
Described emitting led element is paster type light emitting type, and described emitting led element exposes the upper surface of described pcb board and connects with described diode.
Described membrane keyboard also comprises the main control chip being electrically connected with described wiring thin film layer and pcb board, in described main control chip, is provided with full key board without die block.
Described membrane keyboard comprises middle plate, be arranged on the elastic membrane pressing part that several keycaps, the neutron being fixedly connected with described keycap and two ends on the button supporter of described middle plate contact with described neutron and described wiring thin film layer respectively, is provided with the loophole for seeing through described emitting led element light on described pcb board.
The bottom of described neutron is snapped in described button supporter, and the upper end of described elastic membrane pressing part is set on the middle guide rod of described neutron.
Described elastic membrane pressing part is spring or silica gel bowl.
The beneficial effects of the utility model are: owing to comprising the wiring thin film layer setting gradually from top to bottom, film spacer layer and pcb board, the lower surface of described wiring thin film layer is provided with the alignment circuit of matrix circuit and is positioned at the multiple upper contacts on described alignment circuit, the upper surface of described pcb board is provided with the line circuit of matrix circuit and is positioned at multiple lower contacts and the emitting led element on described line circuit, the lower surface of described pcb board is provided with the diode of isolation key circuit, described upper contact is corresponding with described lower contact arranges and forms thin film switch, position corresponding with described upper contact and described lower contact in described film spacer layer is provided with through hole, matrix circuit on described wiring thin film layer and described pcb board can meet the conflict free requirement of full key board with the diode of isolation button and the keyboard circuit of interlock circuit composition, and by described emitting led element is set on described pcb board, can realize as required single key-press backlight or the requirement backlight of other modes.So the utility model is simple in structure, production cost is low, it is backlight to realize any specified button.
Brief description of the drawings
Fig. 1 is the cutaway view of the utility model embodiment mono-;
Fig. 2 is the structure for amplifying schematic diagram at Figure 1A place;
Fig. 3 is the explosive view of the utility model embodiment mono-;
Fig. 4 is the structure for amplifying schematic diagram at Figure 1A place;
Fig. 5 is the cutaway view of the utility model embodiment bis-.
Embodiment
Embodiment mono-:
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, the present embodiment comprises the middle plate 4 setting gradually from top to bottom, wiring thin film layer 1, film spacer layer 2, pcb board 3 and several keycaps 5 and silica gel bowl 6, on described wiring thin film layer 1, there is the alignment circuit 10 of matrix circuit and be positioned at the multiple upper contacts 11 on described alignment circuit 10, the upper surface of described pcb board 3 is provided with the line circuit 30 of matrix circuit and is positioned at the multiple lower contacts 31 on described line circuit 30, the lower surface of described pcb board 3 is provided with the diode of isolation key circuit, emitting led element 32 and loophole 33, described emitting led element 32 is paster type light emitting type, described emitting led element 32 and described diode are all electrically connected with main control chip, in described wiring thin film layer 1 and described film spacer layer 2, be provided with resigning hole 9, described upper contact 11 is corresponding with described lower contact 31 arranges and forms thin film switch, position corresponding with described upper contact 11 and described lower contact 31 in described film spacer layer 2 is provided with through hole 21, described several keycaps 5 are arranged on the button supporter 40 of described middle plate 4, described keycap 5 is slidably matched with described button supporter 40, and the step of the hook embedding portion of described keycap 5 lower ends and described button supporter 40 inside is clasped.Described silica gel bowl 6 is positioned at described keycap 5 belows and contacts with described wiring thin film layer 1, the top of described silica gel bowl 6 contacts with the guide pillar in the middle of described keycap 5, the lower end of described silica gel bowl 6 is provided with downward jut 60, mainly play the function of pressing thin film circuit after pressing, screw 7 is threaded to compress described pcb board 3 through described pcb board 3 with described middle plate 4, described membrane keyboard also comprises the main control chip being electrically connected with described wiring thin film layer 1 and pcb board 3, in described main control chip, be provided with full key board without die block, described wiring thin film layer 1 can meet the conflict free requirement of full key board with the matrix circuit on described pcb board 3 with the diode of isolation button and the keyboard circuit of interlock circuit composition, and by described emitting led element 32 is set on described pcb board 3, can realize as required single key-press backlight or the requirement backlight of other modes.
Embodiment bis-:
As shown in Figure 5, the middle plate 4 that the present embodiment sets gradually from top to bottom, wiring thin film layer 1, film spacer layer 2, pcb board 3 and several keycaps 5, neutron 8, elastic membrane pressing part 9, on described wiring thin film layer 1, there is the alignment circuit 10 of matrix circuit and be positioned at the multiple upper contacts 11 on described alignment circuit 10, the upper surface of described pcb board 3 is provided with the line circuit 30 of matrix circuit and is positioned at the multiple lower contacts 31 on described line circuit 30, the lower surface of described pcb board 3 is provided with the diode of isolation key circuit, emitting led element 32 and loophole 33, described emitting led element 32 is paster type light emitting type, described emitting led element 32 and described diode are all electrically connected with main control chip, in described wiring thin film layer 1 and described film spacer layer 2, be provided with resigning hole 9, described upper contact 11 is corresponding with described lower contact 31 arranges and forms thin film switch, position corresponding with described upper contact 11 and described lower contact 31 in described film spacer layer 2 is provided with through hole 21, described several keycaps 5 are arranged on the button supporter 40 of described middle plate 4, the lower end of described keycap 5 is fixedly connected with the upper end of described neutron 8, described neutron 8 is positioned at described button supporter 40 and is slidably matched with it, and the step of the hook embedding portion of described neutron 8 lower ends and described button supporter 40 inside is clasped, described spring 9 is set on the middle guide rod 80 of described neutron 8 lower ends, described spring 9 can make described thin film switch conducting after pressing, in addition, for resilience and dustproof needs, can also between described button supporter 40 and described keycap 5, be provided with dirt-proof boot 41, described dirt-proof boot 41 is enclosed within the top of described button supporter 40.
The utility model can be widely used in art of keypads.
Claims (10)
1. one kind has the membrane keyboard of full key board without punching and backlight function, it is characterized in that: described membrane keyboard comprises the wiring thin film layer (1) setting gradually from top to bottom, film spacer layer (2) and pcb board (3), the lower surface of described wiring thin film layer (1) is provided with the alignment circuit (10) of matrix circuit and is positioned at the multiple upper contacts (11) on described alignment circuit (10), the upper surface of described pcb board (3) is provided with the line circuit (30) of matrix circuit and is positioned at the multiple lower contacts (31) on described line circuit (30), described pcb board (3) lower surface is provided with the diode of emitting led element (32) and isolation key circuit, described upper contact (11) is corresponding with described lower contact (31) arranges and forms thin film switch, the upper position corresponding with described upper contact (11) and described lower contact (31) of described film spacer layer (2) is provided with through hole (21).
2. according to claim 1 have full key board without punching and the membrane keyboard of backlight function, it is characterized in that: described membrane keyboard also comprises middle plate (4), be arranged on several keycaps (5) on the button supporter (40) of described middle plate (4), the silica gel bowl (6) that is positioned at described keycap (5) below and contacts with described wiring thin film layer (1), screw (7) is threaded to compress described pcb board (3) through described pcb board (3) with described middle plate (4), on described pcb board (3), be provided with the loophole (33) for seeing through described emitting led element (32) light.
3. according to claim 2 have full key board without punching and the membrane keyboard of backlight function, it is characterized in that: described keycap (5) is slidably matched with described button supporter (40), and the step of the hook embedding portion of described keycap (5) lower end and described button supporter (40) inside is clasped.
4. according to claim 2 have full key board without punching and the membrane keyboard of backlight function, it is characterized in that: the top of described silica gel bowl (6) contacts with the guide pillar in the middle of described keycap (5), and the lower end of described silica gel bowl (6) is provided with jut (60).
5. according to claim 4 have full key board without punching and the membrane keyboard of backlight function, it is characterized in that: described emitting led element (32) is paster type light emitting type, and described emitting led element (32) is at the lower surface of described pcb board (3).
6. according to claim 1 have full key board without punching and the membrane keyboard of backlight function, it is characterized in that: described membrane keyboard also comprises the main control chip being electrically connected with described wiring thin film layer (1) and pcb board (3), in described main control chip, is provided with full key board without die block.
7. according to claim 1 have full key board without punching and the membrane keyboard of backlight function, it is characterized in that: described membrane keyboard also comprises middle plate (4), be arranged on the elastic membrane pressing part (9) that several keycaps (5), the neutron (8) being fixedly connected with described keycap (5) and two ends on the button supporter (40) of described middle plate (4) contact with described neutron (8) and described wiring thin film layer (1) respectively, is provided with the loophole (33) for seeing through described emitting led element (32) light on described pcb board (3).
8. according to claim 7 have full key board without punching and the membrane keyboard of backlight function, it is characterized in that: the bottom of described neutron (8) is snapped in described button supporter (40), the upper end of described elastic membrane pressing part (9) is set on the middle guide rod (80) of described neutron (8).
9. according to claim 7 have full key board without punching and the membrane keyboard of backlight function, it is characterized in that: described elastic membrane pressing part (9) is spring or silica gel bowl.
10. according to claim 7 have full key board without punching and the membrane keyboard of backlight function, it is characterized in that: between described button supporter (40) and described keycap (5), be provided with dirt-proof boot (41), described dirt-proof boot (41) is enclosed within the top of described button supporter (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320776171.4U CN203644615U (en) | 2013-12-02 | 2013-12-02 | Film keyboard possessing N-key rollover and backlight functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320776171.4U CN203644615U (en) | 2013-12-02 | 2013-12-02 | Film keyboard possessing N-key rollover and backlight functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203644615U true CN203644615U (en) | 2014-06-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320776171.4U Withdrawn - After Issue CN203644615U (en) | 2013-12-02 | 2013-12-02 | Film keyboard possessing N-key rollover and backlight functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203644615U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681067A (en) * | 2013-12-02 | 2014-03-26 | 珠海恒宇新科技有限公司 | Membrane keyboard with all-key conflict-free and special backlight functions |
| CN105045403A (en) * | 2015-08-21 | 2015-11-11 | 黄修海 | Keyboard and terminal device |
-
2013
- 2013-12-02 CN CN201320776171.4U patent/CN203644615U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681067A (en) * | 2013-12-02 | 2014-03-26 | 珠海恒宇新科技有限公司 | Membrane keyboard with all-key conflict-free and special backlight functions |
| CN105045403A (en) * | 2015-08-21 | 2015-11-11 | 黄修海 | Keyboard and terminal device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140611 Effective date of abandoning: 20160302 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |