CN108695093A - Noise reduction button module, electronic equipment and implementation method - Google Patents
Noise reduction button module, electronic equipment and implementation method Download PDFInfo
- Publication number
- CN108695093A CN108695093A CN201810858913.5A CN201810858913A CN108695093A CN 108695093 A CN108695093 A CN 108695093A CN 201810858913 A CN201810858913 A CN 201810858913A CN 108695093 A CN108695093 A CN 108695093A
- Authority
- CN
- China
- Prior art keywords
- conductive electrode
- noise reduction
- button module
- trigger mechanism
- switch block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/10—Bases; Stationary contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H2009/0278—Casings containing special noise reduction means, e.g. elastic foam between inner and outer casing
Landscapes
- Push-Button Switches (AREA)
Abstract
The present invention discloses a kind of noise reduction button module, electronic equipment and implementation method, button module includes switch block, trigger mechanism and support member, trigger mechanism is oppositely arranged with switch block, trigger mechanism can be contacting and separating on direction along switch block and move, the operation that is turned on or off for realizing switch block, is provided with noise reduction layer between switch block and support member.The present invention is provided with noise reduction layer between switch block and support member, and the impact force between trigger mechanism and switch block is buffered by noise reduction layer, to reduce the noise that button is generated in pressing, promotes the quality of final products on the whole.
Description
Technical field
The present invention discloses a kind of button module, especially a kind of noise reduction button module, electronic equipment and implementation method.
Background technology
Dome, full name are metal dome or dome array or dome sheet, are got used to for a long time referred to as, then
Just it is referred to as dome dome pieces.It is one piece of PET thin slice comprising metal clips (metal dome), used in PCB or FPC etc.
It is used as switch on wiring board, plays the role of an important sense of touch type switch between user and instrument.With tradition
Silica gel push-button compare, film key have better feel, the longer service life, can also indirectly improve using conductive film
The production efficiency of all types of switches.
The conducting position that metal clips (i.e. Dome) on film key is located on pcb board (is predominantly located on wiring board
Golden finger above), when depressed, the central point of shrapnel is recessed, touches the circuit on PCB, to be formed into a loop, electricity
Stream passes through, and entire product is just worked normally, and Dome is an important component on switch, by means of metal clips
Conduction plays the role of a good switch between operator and product.Meanwhile the rebound of the stabilization using metal dome
The service life of power (pressing rear self-return) and overlength provides good touch feedback to operator.
It is widely used in various electronic products using the film key of Dome, such as:Mobile phone side button, laptop
Touch tablet, earphone line control etc..Using Dome film key due to structural particularity limitation so that it is pressing and was springing back
Can all there be apparent interim card to feel in journey, i.e. touch feedback, or be stroke sense.But using the film key of Dome by
During pressure, apparent sound is will produce, i.e., in pressing, has the sound of " click, click, click ", is answered in high-end electronic product
With can drag down the hierarchy level of product, how reduce the keypad tone of film key, be urgent problem to be solved in industry.
Invention content
For the film key in the prior art using Dome mentioned above in button, stronger keypad tone is had
The shortcomings that, the present invention provides a kind of noise reduction button module, electronic equipment and implementation method, switch block and support member it
Between be provided with noise reduction layer, the impact force between trigger mechanism and switch block is buffered by noise reduction layer, to reduce button by
The noise generated when pressure promotes the quality of final products on the whole.
The present invention solve its technical problem the technical solution adopted is that:A kind of noise reduction button module, button module include opening
It closes component, trigger mechanism and support member, trigger mechanism to be oppositely arranged with switch block, trigger mechanism can be contacted along switch block
It is moved on detaching direction, realizes the operation that is turned on or off of switch block, be provided with and disappear between switch block and support member
Sound-absorbing layer.
A kind of electronic equipment, the button module in electronic equipment use such as above-mentioned noise reduction button module.
The implementation method of noise reduction in a kind of button module, this method are switch block and support member in button module
Between be provided with noise reduction layer, the impact force between trigger mechanism and switch block is buffered by noise reduction layer, button is reduced and is pressing
When the noise that generates.
The technical solution that the present invention solves the use of its technical problem further comprises:
It is fixedly installed fixed film above the trigger mechanism, trigger mechanism is fixedly mounted on fixed film.
Salient point is fixedly installed on the fixation film, salient point is arranged corresponding to trigger mechanism.
Partition is provided with below the fixation film, partition is arranged corresponding to trigger mechanism, and triggering machine is corresponded on partition
Through-hole is offered at structure position, trigger mechanism is embedded in through hole.
The bore periphery offers the air slot of one or more.
The support member uses pcb board, the first conductive electrode of switch block and the second conductive electrode, the first conductive electricity
It is provided with insulation division between pole and the second conductive electrode, makes mutually insulated between the first conductive electrode and the second conductive electrode, the
One conductive electrode and the second conductive electrode are respectively fixedly disposed on FPC, the upper circuits of FPC and the circuit mutual conduction on pcb board,
Noise reduction layer is arranged among FPC and PCB.
The support member use support plate, switch block include the first conductive electrode and the second conductive electrode, first
Conductive electrode and the second conductive electrode are separately positioned on FPC, and FPC is equipped with conducting wire, and the first conductive electrode and second is led
It is provided with insulation division between electrode, mutually insulated between the first conductive electrode and the second conductive electrode, FPC settings is made to support
Above plate, noise reduction layer is provided between FPC and support member.
It includes the first conductive electrode and the second conductive electrode that the support member, which uses pcb board, switch block, and first leads
It is provided with insulation division between electrode and the second conductive electrode, is made between the first conductive electrode and the second conductive electrode mutually absolutely
Edge, noise reduction layer use flexible conducting material, and the first conductive electrode and the second conductive electrode are pasted onto PCB by flexible conducting material
On plate.
The beneficial effects of the invention are as follows:The present invention is provided with noise reduction layer between switch block and support member, by disappearing
Sound-absorbing layer buffers the impact force between trigger mechanism and switch block, to reduce the noise that button is generated in pressing, on the whole
Promote the quality of final products.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Description of the drawings
Fig. 1 is decomposing state structural schematic diagram of the present invention.
Fig. 2 is one cross-sectional view of the embodiment of the present invention.
Fig. 3 is two cross-sectional view of the embodiment of the present invention.
Fig. 4 is three cross-sectional view of the embodiment of the present invention.
In figure, 1- support members, 2- switch blocks, 3- trigger mechanisms, 4- noise reduction layers, 5- fix film, 6- salient points, 7- every
Piece, 8- through-holes, 9- air slots, the first conductive electrode of 10-PCB, 11-, the second conductive electrodes of 12-, 13- insulation divisions, 14-FPC,
15- support plates, 16- conductive layers.
Specific implementation mode
The present embodiment is the preferred embodiment for the present invention, other its all principles and basic structure are identical or close as the present embodiment
As, within the scope of the present invention.
Attached drawing 1 is please referred to, the present invention mainly protects a kind of noise reduction button module, which includes switch block 2, touches
Hair mechanism 3 and support member 1, trigger mechanism 3 are oppositely arranged with switch block 2, and trigger mechanism 3 can contact and divide along switch block
From being moved on direction, to realize the operation that is turned on or off of switch block 2, it is provided between switch block 2 and support member 1
Noise reduction layer 4.So as to keep trigger mechanism 3 can trigger switch component 2 be turned on or off on the basis of, buffer trigger mechanism
Impact force between 3 and switch block 2, to reduce the noise that button is generated in pressing.
In the present embodiment, noise reduction layer 4 is made of flexible material, has conductive or non-conductive characteristic, silicon specifically can be used
Glue, rubber, conducting foam, electric silica gel etc..
In the present embodiment, it can also increase the attachment mechanism being arranged for fixing switch block below switch block 2, to
Switch block is fixedly mounted on attachment mechanism, fixed function is played to switch block by attachment mechanism, noise reduction layer 4 can be set
It sets between attachment mechanism and support member 1.
In the present embodiment, fixed film 5 is fixedly installed above trigger mechanism 3, trigger mechanism 3 is fixedly mounted on fixed film
On 5, trigger mechanism 3 is fixed by fixed film 5, salient point 6 (also known as Plunger) is fixedly installed on fixed film 5, it is convex
Point 6 corresponds to trigger mechanism 3 and is arranged, and can enhance the triggering feel of trigger mechanism 3 by salient point 6.In the present embodiment, salient point 6 can
Above or below fixed film 5, salient point 6 can be used bonding method or use and is made of UV glue for setting.
In the present embodiment, partition 7 is provided with below fixed film 5, partition 7 is arranged corresponding to trigger mechanism 3, on partition 7
Corresponding to through-hole 8 is offered at 3 position of trigger mechanism, trigger mechanism 3 is embedded at through-hole 8, in the present embodiment, 8 periphery of through-hole
The air slot 9 of one or more is offered, for the air of the bottom when triggering of trigger mechanism 3 to be discharged, when being used with enhancing
Feel keeps its pressing more smooth.In the present embodiment, metal clips (also known as DOME) can be used in trigger mechanism 3.
Structure of the invention will be described further with several specific examples below.
Embodiment one:In the present embodiment, it includes 11 He of the first conductive electrode that support member 1, which uses pcb board 10, switch block,
Second conductive electrode 12 is provided with insulation division 13 between first conductive electrode 11 and the second conductive electrode 12, makes the first conductive electricity
Mutually insulated between pole 11 and the second conductive electrode 12, the first conductive electrode 11 use disc, the second conductive electrode 12 to use
Circular ring shape, when it is implemented, the first conductive electrode 11 and the second conductive electrode 12 can also use " mountain " font, semicircle, length
The structures such as bar shaped, the first conductive electrode 11 and the second conductive electrode 12 are respectively fixedly disposed on FPC14, and FPC14 is as switch
Component attachment mechanism uses, and the first conductive electrode 11 and the second conductive electrode 12 use conductive copper sheet, uses using etching, glues
On FPC14, FPC14 is fixed on by the techniques such as pasting or welding on pcb board 10 processing of the techniques such as patch, and will be on FPC14
Circuit and the circuit mutual conduction on pcb board 10, are provided with noise reduction layer 4 between FPC14 and pcb board 10, can be slow by noise reduction layer 4
The impact force between trigger mechanism 3 and switch block 2 is rushed, to reduce the noise that button is generated in pressing.
In the present embodiment, gasket made of flexible material can be used in noise reduction layer 4, is provided with corresponding to each switch block 2
One gasket may correspond to all switch blocks and entire gasket be arranged.
Embodiment two:In the present embodiment, support member 1 is using support plate 15 or the bottom plate of the electronic equipment used, switch
Component includes the first conductive electrode 11 and the second conductive electrode 12, and the first conductive electrode 11 and the second conductive electrode 12 are respectively set
On FPC14, it is provided with insulation division 13 between the first conductive electrode 11 and the second conductive electrode 12, makes 11 He of the first conductive electrode
Mutually insulated between second conductive electrode 12, the first conductive electrode 11 use disc, the second conductive electrode 12 to use circular ring shape,
When it is implemented, the first conductive electrode 11 and the second conductive electrode 12 can also use the knots such as " mountain " font, semicircle, strip
Structure, the first conductive electrode 11 and the second conductive electrode 12 are respectively fixedly disposed on FPC14, and FPC14 adheres to as switch block
Mechanism uses, and the first conductive electrode 11 and the second conductive electrode 12 use conductive copper sheet, uses using techniques such as etching, stickups
On FPC14, FPC14 is arranged above support member 1, and noise reduction layer 4 is provided between FPC14 and support member 1, can be led to for processing
The impact force between noise reduction layer buffering trigger mechanism 3 and switch block 2 is crossed, to reduce the noise that button is generated in pressing.
In the present embodiment, gasket made of flexible material can be used in noise reduction layer 4, is provided with corresponding to each switch block 2
One gasket may correspond to all switch blocks 2 and entire gasket be arranged.
Embodiment three:In the present embodiment, it includes 11 He of the first conductive electrode that support member 1, which uses pcb board 10, switch block,
Second conductive electrode 12 is provided with insulation division 13 between first conductive electrode 11 and the second conductive electrode 12, makes the first conductive electricity
Mutually insulated between pole 11 and the second conductive electrode 12, the first conductive electrode 11 use disc, the second conductive electrode 12 to use
Circular ring shape, when it is implemented, the first conductive electrode 11 and the second conductive electrode 12 can also use " mountain " font, semicircle, length
The structures such as bar shaped, the first conductive electrode 11 and the second conductive electrode 12 are directly conductive by compliant conductive silica gel or conducting foam etc.
Layer 16 is pasted onto on pcb board 10, can be buffered between trigger mechanism 3 and switch block 2 by compliant conductive silica gel or conducting foam
Impact force, to reduce button noise for generating in pressing.
The present invention also protects a kind of electronic equipment, and the button module in electronic equipment uses above-mentioned noise reduction button module,
Electronic equipment can be the electronic equipment with button such as laptop, bluetooth keyboard, mobile phone, tablet computer.
It is the switch in button module that the present invention protects a kind of implementation method of noise reduction in button module, this method simultaneously
It is provided with noise reduction layer between component and support member, the impact force between trigger mechanism and switch block is buffered by noise reduction layer,
To reduce the noise that button is generated in pressing, the quality of final products is promoted on the whole.
The present invention is provided with noise reduction layer between switch block and support member, buffers trigger mechanism by noise reduction layer and opens
The impact force between component is closed, to reduce the noise that button is generated in pressing, promotes the quality of final products on the whole.
Claims (10)
1. a kind of noise reduction button module, button module includes switch block, trigger mechanism and support member, trigger mechanism and switch
Component is oppositely arranged, and trigger mechanism can be contacting and separating on direction along switch block and move, and that realizes switch block leads on-off
Operation is opened, it is characterized in that:It is provided with noise reduction layer between the switch block and support member.
2. noise reduction button module according to claim 1, it is characterized in that:It is fixedly installed above the trigger mechanism
Determine film, trigger mechanism is fixedly mounted on fixed film.
3. noise reduction button module according to claim 2, it is characterized in that:It is fixedly installed salient point on the fixation film,
Salient point is arranged corresponding to trigger mechanism.
4. noise reduction button module according to claim 2, it is characterized in that:It is provided with partition below the fixation film, every
Piece is arranged corresponding to trigger mechanism, corresponds on partition at trigger mechanism position and offers through-hole, trigger mechanism is embedded in through-hole
Place.
5. noise reduction button module according to claim 4, it is characterized in that:The bore periphery offers one or more
Air slot.
6. noise reduction button module according to claim 1, it is characterized in that:The support member uses pcb board, switch portion
The first conductive electrode of part and the second conductive electrode, insulation division is provided between the first conductive electrode and the second conductive electrode, makes
Mutually insulated between one conductive electrode and the second conductive electrode, the first conductive electrode and the second conductive electrode are respectively fixedly disposed at
On FPC, the upper circuits of FPC and the circuit mutual conduction on pcb board, noise reduction layer are arranged among FPC and PCB.
7. noise reduction button module according to claim 1, it is characterized in that:The support member uses support plate, switch
Component includes the first conductive electrode and the second conductive electrode, and the first conductive electrode and the second conductive electrode are separately positioned on FPC,
FPC be equipped with conducting wire, be provided with insulation division between the first conductive electrode and the second conductive electrode, make the first conductive electrode and
Mutually insulated between second conductive electrode, FPC settings are square on the supporting plate, and noise reduction layer is provided between FPC and support member.
8. noise reduction button module according to claim 1, it is characterized in that:The support member uses pcb board, switch portion
Part includes the first conductive electrode and the second conductive electrode, and insulation division is provided between the first conductive electrode and the second conductive electrode,
Mutually insulated between the first conductive electrode and the second conductive electrode, noise reduction layer is set to use flexible conducting material, the first conductive electrode
It is pasted onto on pcb board by flexible conducting material with the second conductive electrode.
9. a kind of electronic equipment, it is characterized in that:Button module in the electronic equipment is used as appointed in claim 1 to 8
Noise reduction button module described in meaning one.
10. the implementation method of noise reduction in a kind of button module, it is characterized in that:The method is the switch portion in button module
It is provided with noise reduction layer between part and support member, the impact force between trigger mechanism and switch block, drop are buffered by noise reduction layer
The noise that low button is generated in pressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810858913.5A CN108695093A (en) | 2018-07-31 | 2018-07-31 | Noise reduction button module, electronic equipment and implementation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810858913.5A CN108695093A (en) | 2018-07-31 | 2018-07-31 | Noise reduction button module, electronic equipment and implementation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108695093A true CN108695093A (en) | 2018-10-23 |
Family
ID=63851873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810858913.5A Pending CN108695093A (en) | 2018-07-31 | 2018-07-31 | Noise reduction button module, electronic equipment and implementation method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108695093A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887780A (en) * | 2019-03-27 | 2019-06-14 | 深圳市汇创达科技股份有限公司 | The press-key structure and electronic equipment of elastic slice constriction can be reduced |
| WO2020191680A1 (en) * | 2019-03-27 | 2020-10-01 | 深圳市汇创达科技股份有限公司 | Key structure capable of reducing pressing feeling of elastic piece and electronic device |
| CN111785553A (en) * | 2019-06-17 | 2020-10-16 | 北京京东尚科信息技术有限公司 | Key assembly |
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| CN1965562A (en) * | 2004-06-04 | 2007-05-16 | 韩郁情报技术有限公司 | El sheet and dome keypad using the same |
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| CN111785553A (en) * | 2019-06-17 | 2020-10-16 | 北京京东尚科信息技术有限公司 | Key assembly |
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