CN107845526A - Keypad - Google Patents
Keypad Download PDFInfo
- Publication number
- CN107845526A CN107845526A CN201711236848.4A CN201711236848A CN107845526A CN 107845526 A CN107845526 A CN 107845526A CN 201711236848 A CN201711236848 A CN 201711236848A CN 107845526 A CN107845526 A CN 107845526A
- Authority
- CN
- China
- Prior art keywords
- mainboard
- shell
- keypad
- key switch
- sealant layer
- 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
Links
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
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/704—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by the layers, e.g. by their material or structure
-
- 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
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/86—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the casing, e.g. sealed casings or casings reducible in size
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
- H01H2223/002—Casings sealed
Landscapes
- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
The invention provides a kind of keypad, it is related to electronics field.Keypad includes mainboard and sealed key switch, and the sealed key switch is arranged on the mainboard, is coated with sealant layer on the mainboard, and the sealant layer is by the mainboard face seal.Keypad provided by the invention has good water resistance, service life length, can be widely applied to Intelligent bathroom field.
Description
Technical field
The present invention relates to electronics field, in particular to a kind of keypad.
Background technology
In Intelligent bathroom field, because application environment is in bathroom or toilet, have very to the keypad waterproof of product
High requirement, otherwise the life-span of keypad is very short.
At present, the keypad on general sanitaryware is typically all and protected by coating three-proofing coating, waterproof etc.
Level is close to IPX0, and waterproof effect is poor, and service life is shorter in the moist environment such as bathroom or toilet.
The content of the invention
It is an object of the invention to provide a kind of keypad, to improve the problem of above-mentioned.
What the present invention was realized in：
In a first aspect, the invention provides a kind of keypad, including：Mainboard and sealed key switch, it is described sealed
Key switch is arranged on the mainboard, is coated with sealant layer on the mainboard, and the sealant layer is by the mainboard surface
Sealing.
Keypad as described above, it is preferable that keypad also includes shell and button, the mainboard and described sealed presses
Key switch be may be contained within the shell, and key hole is provided with the shell, and one end of the button is located in the shell
And the corresponding sealed key switch is set, the other end of the button is extended to outside the shell through the key hole.
Keypad as described above, it is preferable that one end that the button is located in the shell is provided with limiting section.
Keypad as described above, it is preferable that keypad also includes indicator lamp, the indicator lamp be arranged at the mainboard with
Between the sealant layer, and the indicator lamp is located at the homonymy of the mainboard with the sealed key switch.
Keypad as described above, it is preferable that keypad also includes the support that is in the light, and the support ring that is in the light is around the instruction
Lamp is set.
Keypad as described above, it is preferable that transmittance section is additionally provided with the shell, the transmittance section corresponds to the finger
Show that lamp is set.
Keypad as described above, it is preferable that the indicator lamp is LED.
Keypad as described above, it is preferable that the shell includes fore shell and rear shell, the fore shell and the rear shell screw
Connection, the mainboard and the rear shell mode connects for screw, the key hole are arranged on the fore shell.
Keypad as described above, it is preferable that the sealant layer is PU glue-lines or epoxy adhesive layer.
Second aspect, the invention provides another keypad, including：Mainboard and sealed key switch, the sealing
Formula key switch is arranged on the mainboard, is coated with sealant layer on the mainboard, and the sealant layer is by the mainboard table
The circuit in face lays regional seal.
For prior art, keypad provided by the invention has following beneficial effect：
Keypad provided by the invention has good water resistance, service life length, can be widely applied to Intelligent bathroom
Field.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the sectional view for the keypad that first embodiment of the invention provides.
Fig. 2 is installation effect figure of the sealed key switch of first embodiment of the invention offer on mainboard.
Fig. 3 is the structural representation for the keypad (removing fore shell) that second embodiment of the invention provides.
Fig. 4 is the structural representation for the fore shell that second embodiment of the invention provides.
Icon：100- mainboards；The sealed key switches of 200-；300- shells；310- fore shells；311- transmittance sections；After 320-
Shell；400- buttons；500- sealant layers；600- indicator lamps；700- is in the light support.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be configured to arrange and design with a variety of.
Therefore, below the detailed description of the embodiments of the invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, or should
Invention product using when the orientation usually put or position relationship, be for only for ease of the description present invention and simplify description, without
It is instruction or implies that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and can not manage
Solve to indicate or implying relative importance.
In addition, the term such as term " level ", " vertical ", " pendency " is not offered as requiring part abswolute level or pendency, and
It is to be slightly tilted.Such as " level " only refers to that its direction is more horizontal with respect to for " vertical ", is not to represent the structure
Must be fully horizontal, but can be slightly tilted.
In the description of the invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Connect body；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirect by intermediary
It is connected, can is the connection of two element internals.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
First embodiment
Referring to Fig. 1, the embodiments of the invention provide a kind of keypad, the keypad include mainboard 100, it is sealed by
Key switch 200, shell 300 and button 400, sealed key switch 200 are arranged on mainboard 100, mainboard 100 and sealed
Key switch 200 is arranged in shell, and the surface of mainboard 100 sets and corresponds to sealed press coated with sealant layer 500, button 400
Key switch 200 is set, and one end of button 400 is located in shell, and the other end is extended to outside shell.
Shell 300 is preferably made of plastic material, and it includes fore shell 310 and rear shell 320, is provided with fore shell 310
The key hole passed through for button 400, fore shell 310 are connected with rear shell 320 and form a receiving mainboard 100 and sealed button is opened
Close 200 cavity.Fore shell 310 and rear shell 320 can use, but are not limited to be integrally formed, snap connection or the side such as mode connects for screw
Formula is set.In the embodiment of the present invention, fore shell 310 and rear shell 320 by multiple mode connects for screw together with, multiple uniform branches of screw
Connected at the edge of shell 300 and by fore shell 310 and rear shell 320, in this way, convenient by button when keypad internal structure is damaged
Plate, which disassembles, to be repaired.
Referring to Fig. 2, being laid with key circuit (not shown) on mainboard 100, key contacts (not shown) is provided with,
Key contacts connection on the pin and key circuit of sealed key switch 200, when pressing sealed key switch 200,
The key contacts being connected with pin be can trigger to produce trigger signal, so as to realize the switching control function of keypad.
The mainboard 100 can use, but be not limited to PCB (printed circuit board) or PCBA (Installed with printing Electricity roads plate) etc..
Preferably, in the embodiment of the present invention, the mainboard 100 uses PCBA.
Mainboard 100 is arranged in shell 300 and is connected with rear shell 320, and the surface of mainboard 100 is provided with sealant layer
500, surface of the sealant layer 500 coated in mainboard 100 and by the face seal of whole mainboard 100, so as to prevent from leading
The circuit on the surface of plate 100 is laid region and contacted with water or malaria, has reached the effect of good waterproof, ensures keypad
Service life.
In the embodiment of the present invention, mainboard 100 can use with rear shell 320, but be not limited to the modes such as mode connects for screw, bonding,
It is preferable in a manner of mainboard 100 and rear shell 320 use mode connects for screw.
Sealant layer 500 can use, but be not limited to PU (polyurethane resin) glue-line, layer of silica gel and epoxy adhesive layer (such as
Epoxy resin) etc..
Inventor has found by practice, is prevented the face seal of whole mainboard 100, keypad by sealant layer 500
Water grade is up to IPX7 or more.And due to sealed key switch 200 by the way of self-contained rather than metal dome assembling, it is pressed
Number is pressed up to more than 100,000 times, the service life of effective guarantee keypad, and it is good to press feel.
The corresponding sealed key switch 200 of button 400 is set, specifically, button 400 be provided with for accommodate it is sealed by
The groove of the plunger of key switch 200, the plunger of sealed key switch 200 are arranged in groove, and button 400 is close to sealed
One end of key switch 200 is provided with limiting section, and limiting section is more than the key hole on fore shell 310, and button 400 is away from sealed
One end of key switch 200 is then slightly less than key hole and extended to from key hole outside shell 300.In this way, pressing keys can be passed through
The 400 sealed key switches 200 of triggering are so as to which the circuit on conduction and cut-off mainboard 100 is from producing trigger signal.And limiting section
In the range of setting and can enough limits button 400 at one end, button 400 is avoided to come off.
To sum up, keypad provided in an embodiment of the present invention on the surface of mainboard 100 by coating the face seal of mainboard 100
Sealant layer 500, it can prevent the circuit of the surface circuit of mainboard 100 from laying region and being contacted with water or malaria, reach good
The effect of good waterproof, ensures the service life of keypad, can be widely applied to Intelligent bathroom field.
Second embodiment
Fig. 3 and Fig. 4 are please referred to, keypad provided in an embodiment of the present invention is carried out on the basis of first embodiment
Improvement, part is not directed in the present embodiment and refers to description in first embodiment.
Unlike first embodiment, the keypad that the embodiment of the present invention is provided is additionally provided with indicator lamp 600 and gear
Light support 700, while transmittance section 311 is additionally provided with shell 300.
Specifically, indicator lamp 600 is arranged on mainboard 100 and is located on mainboard 100 with sealed key switch 200 1
Homonymy, indicator lamp 600 are set close to the position of sealed key switch 200, and the support 700 that is in the light is also disposed on mainboard 100, and
The grooved ring that is in the light forms the groove that is in the light around indicator lamp 600, using such setting waterproof, can prevent optical crosstalk, make lighting effects more preferable.Gear
Sealant layer 500 is also filled with light groove, is avoided that by such setting and is contacted with water or malaria, referred to so as to reach
Show the function of the waterproof sealing of lamp 600.
It is described to be used to illuminate button 400 so that user uses in the relatively low environment of light intensity in the embodiment of the present invention
Keypad, it can be used, but be not limited to LED or LCD lamps etc., be preferable using LED.
Transmittance section 311 is arranged at the position that indicator lamp 600 is corresponded on fore shell 310, and the transmittance section 311 can be fore shell
The transmission region set on 310 light tanks opened up or fore shell 310, it is not specifically limited in the embodiment of the present invention.
To sum up, keypad provided in an embodiment of the present invention on the surface of mainboard 100 by coating the face seal of mainboard 100
Sealant layer 500, it can effectively prevent the circuit of the surface circuit of mainboard 100 from laying region and being contacted with water or malaria, reach
To the effect of good waterproof, the service life of keypad is ensured, can be widely applied to Intelligent bathroom field.Meanwhile by setting
Be in the light corresponding to the indicator lamp 600 of sealing and setting support 700 and transmittance section 311 are put, can be in the relatively low environment of light intensity
In correctly indicate position where button on keypad 400, to facilitate the use of keypad, and light is imitated by indicator lamp 600
Fruit and water resistance are good, not optical crosstalk.
3rd embodiment
The embodiments of the invention provide a kind of keypad, the keypad includes mainboard 100 and sealed key switch 200,
Sealed key switch 200 is arranged on mainboard 100, is coated with sealant layer 500 on mainboard 100, and sealant layer 500 is by mainboard
The circuit on 100 surfaces lays regional seal.
To sum up, keypad provided in an embodiment of the present invention on the surface of mainboard 100 by coating the circuit on the surface of mainboard 100
The sealant layer 500 of regional seal is laid, can effectively prevent the circuit of the surface circuit of mainboard 100 from laying region and water or humidity
Air contact, reach the effect of good waterproof, ensure the service life of keypad, can be widely applied to Intelligent bathroom neck
Domain.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, is then not required in subsequent accompanying drawing
It is further defined and explained.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
- A kind of 1. keypad, it is characterised in that including：Mainboard and sealed key switch, the sealed key switch are set In on the mainboard, being coated with sealant layer on the mainboard, the sealant layer is by the mainboard face seal.
- 2. keypad according to claim 1, it is characterised in that also including shell and button, the mainboard and described close Envelope formula key switch may be contained within the shell, key hole is provided with the shell, one end of the button is positioned at described In shell and the corresponding sealed key switch is set, and the other end of the button is extended to outside described through the key hole Outside shell.
- 3. keypad according to claim 2, it is characterised in that one end that the button is located in the shell is provided with Limiting section.
- 4. keypad according to claim 2, it is characterised in that also including indicator lamp, the indicator lamp is arranged at described Between mainboard and the sealant layer, and the indicator lamp is located at the homonymy of the mainboard with the sealed key switch.
- 5. keypad according to claim 4, it is characterised in that also include the support that is in the light, the support ring that is in the light is around institute State indicator lamp setting.
- 6. keypad according to claim 4, it is characterised in that transmittance section, the printing opacity are additionally provided with the shell Portion corresponds to the indicator lamp and set.
- 7. keypad according to claim 4, it is characterised in that the indicator lamp is LED.
- 8. keypad according to claim 2, it is characterised in that the shell includes fore shell and rear shell, the fore shell with The rear shell mode connects for screw, the mainboard and the rear shell mode connects for screw, the key hole are arranged on the fore shell.
- 9. keypad according to claim 1, it is characterised in that the sealant layer is PU glue-lines or epoxy adhesive layer.
- A kind of 10. keypad, it is characterised in that including：Mainboard and sealed key switch, the sealed key switch are set In on the mainboard, being coated with sealant layer on the mainboard, the circuit on the mainboard surface is laid area by the sealant layer Domain seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711236848.4A CN107845526A (en) | 2017-11-30 | 2017-11-30 | Keypad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711236848.4A CN107845526A (en) | 2017-11-30 | 2017-11-30 | Keypad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107845526A true CN107845526A (en) | 2018-03-27 |
Family
ID=61663222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711236848.4A Pending CN107845526A (en) | 2017-11-30 | 2017-11-30 | Keypad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107845526A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101377048A (en) * | 2007-08-31 | 2009-03-04 | 海尔集团公司 | Key water-proof structure of washing machine |
| CN201522951U (en) * | 2009-09-29 | 2010-07-07 | 广州广电运通金融电子股份有限公司 | Anti-drilling and anti-prying key particle |
| CN205028827U (en) * | 2015-09-17 | 2016-02-10 | 上海科勒电子科技有限公司 | Keypad |
| CN205911201U (en) * | 2016-07-25 | 2017-01-25 | 西安豪丰电子科技有限公司 | Prevent keypad of static |
| CN205984707U (en) * | 2016-05-23 | 2017-02-22 | 天合汽车零部件（苏州）有限公司 | Waterproof automobile switch |
| CN207719082U (en) * | 2017-11-30 | 2018-08-10 | 深圳麦格米特电气股份有限公司 | Keypad |
-
2017
- 2017-11-30 CN CN201711236848.4A patent/CN107845526A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101377048A (en) * | 2007-08-31 | 2009-03-04 | 海尔集团公司 | Key water-proof structure of washing machine |
| CN201522951U (en) * | 2009-09-29 | 2010-07-07 | 广州广电运通金融电子股份有限公司 | Anti-drilling and anti-prying key particle |
| CN205028827U (en) * | 2015-09-17 | 2016-02-10 | 上海科勒电子科技有限公司 | Keypad |
| CN205984707U (en) * | 2016-05-23 | 2017-02-22 | 天合汽车零部件（苏州）有限公司 | Waterproof automobile switch |
| CN205911201U (en) * | 2016-07-25 | 2017-01-25 | 西安豪丰电子科技有限公司 | Prevent keypad of static |
| CN207719082U (en) * | 2017-11-30 | 2018-08-10 | 深圳麦格米特电气股份有限公司 | Keypad |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180327 |