CN205945683U - Touch button , Touch display board and domestic appliance - Google Patents

Abstract

The utility model discloses a touch button, touch display board and domestic appliance, wherein, touch button, including panel, casing, PCB board and MCU, panel cover fits the casing, PCB board holding in the panel with between the casing and connect in the casing, the panel is equipped with a plurality of location of the keys of pressing, the MCU electricity connect in the PCB board, the PCB board is equipped with a plurality of electrically conductive thin slices, electrically conductive thin slice electricity connect in the PCB board, each presses location of the key and an electrically conductive thin slice for corresponding the setting, MCU response and control electrically conductive thin slice with the button phase switches on. The utility model discloses technical scheme has simplified the installation of button, practices thrift the cost.

Description

Touch key-press, touch display panel and household electrical appliance

Technical field

This utility model is related to an electro-technical field, particularly to a kind of touch key-press, the touch of applying this touch key-press Display panel and household electrical appliance.

Background technology

Existing small household appliances touch key-press needs to be used as button using spring or conductive sponge, and button needs and ceramic plane Plate is fully contacted, and loose contact will affect the sensitivity of button, lead to install complex, relatively costly.

Utility model content

Main purpose of the present utility model is to provide a kind of touch key-press, and this touch key-press simplifies the installation of button, fall Low production cost.

For achieving the above object, the utility model proposes touch key-press, including panel, housing, pcb board and MCU, described Together in described housing, described pcb board is placed between described panel and described housing and is connected to described housing to panel cover, described Panel be provided with some by key mapping, described MCU is electrically connected to described pcb board it is characterised in that described pcb board is provided with some conductions Thin slice, described conductive foil is electrically connected to described pcb board, each be correspondingly arranged a conductive foil by key mapping, described MCU senses simultaneously Described conductive foil is controlled to conduct by key mapping with described.

Preferably, described conductive foil is Copper Foil, and described Copper Foil is etched in described pcb board.

Preferably, described pcb board be single sided board, described conductive foil located at described pcb board back to described panel side.

Preferably, described conductive foil is conductive metal sheet.

Preferably, described pcb board is dual platen, and described conductive foil is located at described pcb board in the face of the side of described panel Or back to described panel side.

Preferably, described MCU located at described pcb board back to described panel side.

Preferably, described touch key-press also includes resistance, electric capacity and LED, and described resistance, electric capacity and LED are located at described PCB Plate face is to the side of described panel or the side back to described panel.

This utility model also proposes a kind of touch display panel, and described touch display panel includes above-mentioned touch key-press, described Touch display panel also includes charactron and the buzzer being electrically connected to described pcb board, and described charactron and described buzzer are all provided with In described pcb board in the face of the side of described panel, described panel is additionally provided with display window, the position of described display window and described charactron Put corresponding.

This utility model also proposes a kind of household electrical appliance, and described household electrical appliance include above-mentioned touch display panel.

Technical solutions of the utility model by button is used as using conductive foil, MCU sensing and control under this conduction Thin slice need not can achieve keypress function with plate contact, simplifies the installation process of button, cost-effective.

Brief description

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.

Fig. 1 is the schematic diagram of this utility model one embodiment touch key-press, and wherein pcb board is back to panel side；

Fig. 2 is the structural representation of panel side faced by pcb board in Fig. 1.

Drawing reference numeral explanation：

Label	Title	Label	Title
				1	Pcb board	4	LED
2	MCU	5	Charactron
				3	Conductive foil

The realization of this utility model purpose, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, broadly falls into the scope of this utility model protection.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in this utility model embodiment It is only used for explaining the relative position relation between each part, motion conditions etc. under a certain particular pose (as shown in drawings), such as When really this particular pose changes, then directionality instruction also correspondingly changes therewith.

In this utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " can be fixedly connected or be detachably connected, or integral；Can be to be mechanically connected, also may be used To be electrical connection；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals Or the interaction relationship of two elements, limit unless otherwise clear and definite.For the ordinary skill in the art, permissible Understand concrete meaning in this utility model for the above-mentioned term as the case may be.

In addition, such as relating to the description of " first ", " second " etc. is only used for describing purpose in this utility model, and can not manage Solve as indicating or implying its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " the One ", the feature of " second " can be expressed or implicitly include at least one this feature.In addition, the skill between each embodiment Art scheme can be combined with each other, but must be capable of by those of ordinary skill in the art based on, when technical scheme In conjunction with occurring conflicting or will be understood that the combination of this technical scheme does not exist when cannot realize, also not in this utility model Within the protection domain requiring.

The utility model proposes a kind of touch key-press.

With reference to Fig. 1, Fig. 1 is the structural representation of this utility model touch key-press one embodiment.Real in this utility model one Apply in example, this touch key-press includes panel (not shown), housing (not shown), pcb board (printed circuit board) 1 and MCU (microcontroller Unit) 2, panel cover is placed between panel and housing and is connected to housing together in housing, pcb board 1, and panel is provided with some buttons Position (not shown), MCU2 is electrically connected to pcb board 1, and pcb board 1 is provided with some conductive foils 3, and conductive foil 3 is electrically connected to pcb board 1, each be correspondingly arranged a conductive foil 3 by key mapping, MCU2 senses and controls conductive foil 3 to conduct with by key mapping.

This panel is ceramic panel, and staff touches ceramic panel and presses key mapping accordingly, people under the sensing and control of MCU2 Electric capacity, the signal that this conductive foil 3 of this capacitive effect produces is produced, MCU2 passes through detection signal between handss and conductive foil 3 Change and to identify the operation of staff, thus controlling corresponding command operating.

Technical solutions of the utility model using the conductive foil 3 on pcb board 1 as button, MCU2 sensing and Control this conductive foil 3 lower need not contact with ceramic panel and can achieve keypress function, simplify the installation process of button, save Cost.

Conductive foil 3 is preferably Copper Foil, and Copper Foil is etched in pcb board 1.

Directly this conductive foil 3 together is etched out together with the circuit on pcb board when producing this pcb board 1, reduce The production of this touch key-press and installation cost.

In the present embodiment, pcb board 1 be single sided board, conductive foil 3 located at pcb board 1 back to panel side.

Single sided board is that one side installs the pcb board that electronic component another side is furnished with circuit.Single sided board is with respect to its one-tenth of dual platen This is relatively low.In order to cost-effective and be easily installed, the pcb board 1 in this embodiment selects single sided board, and conductive foil 3 is etched in PCB Plate 1 has the side of circuit.

Conductive foil 3 can also be chosen as conductive metal sheet.Conductive metal sheet is same or similar with above-mentioned Copper Foil for having Electric conductivity, this conductive metal sheet can be installed on the either side of pcb board 1.

It should be understood that pcb board 1 is alternatively dual platen, conductive foil 3 located at pcb board 1 in the face of the side of panel or back to The side of described panel.

Dual platen is evenly equipped with the pcb board of circuit for two sides, and electronic component is mountable to any side of dual platen.This conduction Thin slice 3 can etch as needed or be installed on any side of this dual platen.

In order to protect to important electronic component on pcb board 1, by MCU2 located at pcb board 1 back to panel side.

Touch key-press also includes resistance (not shown), electric capacity (not shown) and LED (light emitting diode) 4 (referring to Fig. 2), is Reach motility during installation, described resistance, electric capacity and LED4 are located at pcb board 1 in the face of the side of panel or back to panel Side.In this embodiment, for the layout of electronic component on reasonable arrangement pcb board, by resistance, electric capacity and LED all located at this PCB The side of plate face counter plate.

This utility model also proposes a kind of touch display panel (not shown), and this touch display panel includes touch key-press, and this touches Touch concrete structure reference above-described embodiment of button, because this touch display panel employs whole technology of above-mentioned all embodiments Scheme, therefore at least has all beneficial effects that the technical scheme of above-described embodiment is brought, this is no longer going to repeat them.

Touch display panel also includes charactron 5 (referring to Fig. 2) and the buzzer (not shown) being electrically connected to pcb board 1, digital Pipe 5 and buzzer are all located at the side of panel faced by pcb board 1.Panel is additionally provided with display window (not shown), display window and charactron 5 position is corresponding.

Charactron 5 simultaneous display key information, user is observed that, by this display window, the numeral that this charactron 5 shows Or pattern, thus understand key information.

At present during board production, charactron, LED, resistance and electric capacity etc. all have been realized in paster production Technique, and it is still traditional plug-in unit technique in button production technology, lead to the existing paster technique of same circuit board to have slotting again Part technique, technique disunity, efficiency is low and high cost.Now button is set to conductive foil 3, can directly utilize paster technique to incite somebody to action Copper Foil or conductive metal sheet give on pcb board, realize this keypress function.Consequently, it is possible to making this touch key-press and touching aobvious When showing plate, the technological process of full Surface Mounting Technology can be adopted it is not necessary to plug-in unit technique, improving production efficiency, cost-effective.

This utility model also proposes a kind of household electrical appliance (not shown), and this household electrical appliance includes this touch display panel, and this touches Touch concrete structure reference above-described embodiment of display panel, because this household electrical appliance employs whole technology of above-mentioned all embodiments Scheme, therefore at least has all beneficial effects that the technical scheme of above-described embodiment is brought, this is no longer going to repeat them.

The foregoing is only preferred embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, Every equivalent structure change under inventive concept of the present utility model, made using this utility model description and accompanying drawing content Change, or directly/be indirectly used in other related technical fields and be included in scope of patent protection of the present utility model.

Claims (9)

1. a kind of touch key-press, including panel, housing, pcb board and MCU, described panel cover is together in described housing, described pcb board Be placed between described panel and described housing and be connected to described housing, described panel be provided with some by key mapping, described MCU electricity It is connected to described pcb board it is characterised in that described pcb board is provided with some conductive foils, described conductive foil is electrically connected to described Pcb board, each be correspondingly arranged a conductive foil by key mapping, described MCU sense and control described conductive foil with described by key mapping Conduct.

2. it is characterised in that described conductive foil is Copper Foil, described Copper Foil is etched in touch key-press as claimed in claim 1 Described pcb board.

3. touch key-press as claimed in claim 2 it is characterised in that described pcb board be single sided board, described conductive foil located at Described pcb board is back to the side of described panel.

4. touch key-press as claimed in claim 1 is it is characterised in that described conductive foil is conductive metal sheet.

5. touch key-press as claimed in claim 2 it is characterised in that described pcb board be dual platen, described conductive foil located at Described pcb board is in the face of the side of described panel or back to described panel side.

6. the touch key-press as described in any one in claim 1 to 5 is it is characterised in that described MCU is located at described pcb board Side back to described panel.

7. touch key-press as claimed in claim 6 is it is characterised in that described touch key-press also includes resistance, electric capacity and LED, Described resistance, electric capacity and LED are located at described pcb board in the face of the side of described panel or the side back to described panel.

8. a kind of touch display panel is it is characterised in that described touch display panel is included as described in any one of claim 1 to 7 Touch key-press, described touch display panel also includes charactron and buzzer, described charactron and the institute being electrically connected to described pcb board State buzzer all located at described pcb board in the face of the side of described panel, described panel is additionally provided with display window, described display window and institute The position stating charactron is corresponding.

9. a kind of household electrical appliance are it is characterised in that described household electrical appliance include touch display panel as claimed in claim 8.