CN206582632U

CN206582632U - The back lighting device and household electrical appliance of touch controlled key

Info

Publication number: CN206582632U
Application number: CN201621121604.2U
Authority: CN
Inventors: 谭佳佳; 汪钊; 艾永东
Original assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date: 2016-10-13
Filing date: 2016-10-13
Publication date: 2017-10-24
Anticipated expiration: 2026-10-13

Abstract

The utility model discloses the back lighting device and household electrical appliance of a kind of touch controlled key, wherein, the back lighting device of the touch controlled key includes:Panel, panel is provided with touch key-press area；Circuit board, located at the inner side of panel, circuit board has the plate just to touch key-press area, and plate is provided with capacitive induction piece；LED, located at plate on the surface of panel.It is arranged such, eliminates the use of the circuit board for mounted LED lamp, simplifies the structure of the back lighting device of touch controlled key.

Description

The back lighting device and household electrical appliance of touch controlled key

Technical field

The utility model is related to household electrical appliance technical field, the back lighting device and household electric of more particularly to a kind of touch controlled key Device.

Background technology

Existing household electrical appliance, such as electromagnetic oven, micro-wave oven etc., it will usually which button, Yong Huke are set on its housing Household electric appliance operation is controlled by button.However, when household electrical appliance are in the environment of dark, user is difficult to find it Button on housing, and then influence the use of user.

In existing technology, increase by one piece of backlight generally on the pcb board for be provided with button, and pacify in backlight LED is filled, the light that the LED is sent can illuminate the corresponding position of button, and then facilitate the position that user checks button, but , because backlight and pcb board are to coordinate, to be arranged such, both increased the assembly process of household electrical appliance, also add material into This.

Utility model content

Main purpose of the present utility model is to propose a kind of back lighting device of touch controlled key, it is intended to simplify the back of the body of touch controlled key The structure of electro-optical device.

To achieve the above object, the utility model proposes touch controlled key back lighting device, including:

Panel, the panel is provided with touch key-press area；

Circuit board, located at the inner side of the panel, the circuit board has the plate just to the touch key-press area, described Plate is provided with capacitive induction piece；

LED, located at the plate on the surface of the panel.

Preferably, the capacitive induction piece located at the plate back on the surface of the panel.

Preferably, the capacitive induction piece is on the surface that the plate faces the panel.

Preferably, the LED is located at the middle part of the capacitive induction piece.

Preferably, the capacitive induction piece is copper foil.

Preferably, the LED is adhered on the circuit board.

Preferably, the LED is seven color LEDs.

Preferably, touch key-press area silk-screen has corresponding pattern and/or word.

Preferably, the panel is provided with multiple touch key-press areas, the plate and is correspondingly provided with multiple condenser types Sensing chip, and the plate is provided with multiple LEDs on the surface of the panel, each LED is corresponded to described in one Touch key-press area is set.

The utility model also proposes a kind of household electrical appliance, and it includes the back lighting device of above-mentioned touch controlled key, and the touch-control is pressed The back lighting device of key includes:

Panel, the panel is provided with touch key-press area；

LED, located at the plate on the surface of the panel.

The utility model is provided with capacitive induction piece circuit board by the way that LED is installed on.It is arranged such, eliminates For the use of the circuit board of mounted LED lamp, the structure of the back lighting device of touch controlled key is simplified.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing used required in description of the prior art is 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, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.

Fig. 1 is the structural representation of the embodiment of the utility model household electrical appliance one；

Fig. 2 is the structural representation of the embodiment of back lighting device one of touch controlled key of the present utility model；

Fig. 3 is the structural representation of panel in Fig. 2；

Fig. 4 is circuit board and the assembling schematic diagram of the embodiment of LED one in Fig. 2；

The enlarged diagram that Fig. 5 is part A in Fig. 4；

Fig. 6 is circuit board and the assembling schematic diagram of another embodiment of LED in Fig. 2.

Drawing reference numeral explanation：

Label	Title	Label	Title
				100	Household electrical appliance	12a	Plate
10	The back lighting device of touch controlled key	30	Support
				11	Panel	12b	Capacitive induction piece
20	Drain pan	13	LED
				11a	Touch key-press area	12c	Installation region
12	Circuit board

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

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the 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 the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belongs to the scope of the utility model protection.

If it is to be appreciated that related in the utility model embodiment directionality indicate (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality indicates to be only used for explaining relative between each part under a certain particular pose (as shown in drawings) Position relationship, motion conditions etc., if the particular pose changes, directionality indicates also correspondingly therewith to change.

If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment Two " etc. description is only used for describing purpose, and it is not intended that indicating or implying its relative importance or implicit indicate meaning The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill Personnel can be implemented as basis, when the combination appearance of technical scheme is conflicting or can not realize it will be understood that this technical side The combination of case is not present, also not within the protection domain of the utility model requirement.

The utility model proposes a kind of household electrical appliance and the back lighting device of touch controlled key.

Fig. 1 is refer to, Fig. 1 shows the structural representation of household electrical appliance, the household electrical appliance 100 can be electromagnetic ovens, micro- Button on ripple stove etc., household electrical appliance 100 is preferred to use capacitance key, and for convenience user under dark environment Using household electrical appliance 100, the household electrical appliance 100 are additionally provided with backlight.

Refer to Fig. 2, Fig. 2 show the utility model proposes touch controlled key back lighting device, the back of the body of the touch controlled key Electro-optical device 10 includes：

Panel 11, please with reference to Fig. 3, the panel 11 is covered on the drain pan 20 of household electrical appliance 100, and it acts not only as house A part for the shell of electrical appliance 100, while the panel 11 acts also as the work top of household electrical appliance 100.Set on the panel 11 It is equipped with touch key-press area 11a, it is preferable that touch key-press area 11a and the panel 11 coplanar setting in outer surface, namely touch key-press area 11a domains are formed by the non-active area of panel 11.It should be noted that the touch key-press area 11a on panel 11 can set one It is individual or multiple, here, the quantity to touch key-press area 11a is not limited.

Circuit board 12, circuit board 12 is installed on the inner side of panel 11, namely circuit board 12 is installed on by panel 11 and drain pan 20 enclose and set in the installation cavity to be formed, and the inner surface setting of drain pan 20 has support 30, and the circuit board 12 is fixedly installed in support On 30.

Please with reference to Fig. 4 or Fig. 6, the circuit board 12 has the plate 12a just to touch key-press area 11a, the plate Capacitive induction piece 12b is provided with 12a.It should be noted that capacitive induction piece 12b quantity and the touch on panel 11 Key zone 11a quantity is equal.As the touch key-press area 11a on user's touch panel 11, on the finger and plate 12a of user Capacitive sensing piece 12b constitute an electric capacity, namely the capacitive induction piece 12b on plate 12a is in the conduction state, household electric When capacitive induction piece 12b in the detection electric circuit inspection of device 100 to plate 12a is turned on, the controller to household electrical appliance 100 is understood Feedback signal is sent, the controller of household electrical appliance 100 controls household electrical appliance 100 to work according to feedback signal.

LED 13, LED 13 is arranged at plate 12a on the surface of panel 11.Preferably, the LED 13 is from panel 11 projection on plate 12a direction is located in capacitive induction piece 12b.When LED 13 is lighted, it sends Light just touch key-press area 11a is projected, and then illuminate corresponding touch key-press area 11a domains, facilitate user dark The household electrical appliance 100 are used under environment.It should be noted that the quantity of LED 13 is with the touch key-press area 11a's on panel 11 Quantity is correspondingly arranged, so, it is ensured that each touch key-press area 11a on panel 11 is illuminated by corresponding LED 13.

The utility model is provided with capacitive induction piece 12b circuit board 12 by the way that LED 13 is installed on, and is so set Put, eliminate the use of the circuit board for mounted LED lamp 13, simplify the structure of the back lighting device 10 of touch controlled key, reduce The production costs of household electrical appliance 100.

Fig. 4 is refer to, above-mentioned capacitive induction piece 12b can be set with LED 13 with coplanar, i.e. capacitive induction piece 12b may be contained within plate 12a towards the surface of panel 11 with LED 13.Fig. 5 be refer to, it is necessary on explanation, plate 12a Each capacitive induction piece 12b be provided with the installation region 12c installed for LED 13, LED 13 is installed on the installation region In 12c, so, it is ensured that capacitive induction area 12a is not influenceed by LED 13.

In order that LED 13 can preferably illuminate touch key-press area 11a domains, above-mentioned LED 13 is arranged at pair Answer ground capacitive induction piece 12b middle part.Namely above-mentioned installation region 12c is arranged at capacitive induction piece 12b middle part.Need It is noted that the capacitive induction piece 12b and touch key-press area 11a on panel 11 on above-mentioned plate 12a is just to setting , and the size and shape phase of the capacitive induction piece 12b touch key-press area 11as corresponding with panel 11 on plate 12a When.When LED 13 is lighted, its light sent can by touch key-press area 11a illuminate completely, and then facilitate user's viewing face Touch key-press area 11a on plate 11.

Because above-mentioned capacitive induction piece 12b conducting is not influenceed by the position that it is set, Fig. 6 is refer to, it is above-mentioned Capacitive induction piece 12b can be set with LED 13 with antarafacial, i.e. capacitive induction piece 12b is arranged at plate 12a dorsad panels 11 surface, LED 13 is arranged at plate 12a towards the surface of panel 11.

Capacitive induction piece 12a on above-mentioned plate 12a is formed by the metal foil being arranged on plate 12a.Preferably, should Metal foil is copper foil.

The installation of LED 13 for convenience, above-mentioned LED 13 is installed on the plate of circuit board 12 by the way of bonding On 12a.Bonding has easily and efficiently advantage, can so improve the installation effectiveness of LED 13.Certainly, in the utility model Embodiment in, can also using welding by the way of LED 13 is welded on the plate 12a of circuit board 12, on LED 13 such as What is welded, and will not be repeated here.

In order to improve the experience of user, above-mentioned LED 13 is using seven color LEDs.Seven color LEDs and household electrical appliance 100 Controller be electrically connected with, user can be according to the colors of the color LEDs of hobby adjustment seven of itself, and then improve the body of user Test.

User checks the corresponding functions of each touch key-press area 11a for convenience, and above-mentioned touch key-press area 11a silk-screens have Correspondingly pattern and/or word.User can by its corresponding function of touch key-press area 11a pattern and/or Fileview, And then facilitate the manipulation of user.And when LED 13 is lighted, the light that LED 13 is sent can be by touch key-press area 11a figure Case and/or word are displayed, and then are easy to user to manipulate the household electrical appliance 100 in dark environment.

Because this household electrical appliance employs whole technical schemes of above-mentioned all embodiments, therefore at least there is above-mentioned implementation All beneficial effects that the technical scheme of example is brought, this is no longer going to repeat them.

Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, It is every under inventive concept of the present utility model, the equivalent structure made using the utility model specification and accompanying drawing content is become Change, or directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.

Claims

1. a kind of back lighting device of touch controlled key, it is characterised in that including:

Panel, the panel is provided with touch key-press area；

Circuit board, located at the inner side of the panel, the circuit board has the plate just to the touch key-press area, the plate It is provided with capacitive induction piece；

LED, located at the plate on the surface of the panel.

2. the back lighting device of touch controlled key as claimed in claim 1, it is characterised in that the capacitive induction piece is located at described Plate is back on the surface of the panel.

3. the back lighting device of touch controlled key as claimed in claim 1, it is characterised in that the capacitive induction piece is located at described Plate is on the surface of the panel.

4. the back lighting device of touch controlled key as claimed in claim 3, it is characterised in that the LED is located at the condenser type The middle part of sensing chip.

5. the back lighting device of touch controlled key as claimed in claim 1, it is characterised in that the capacitive induction piece is copper foil Piece.

6. the back lighting device of touch controlled key as claimed in claim 1, it is characterised in that the LED is adhered to the circuit On plate.

7. the back lighting device of touch controlled key as claimed in claim 1, it is characterised in that the LED is seven color LEDs.

8. the back lighting device of touch controlled key as claimed in claim 1, it is characterised in that touch key-press area silk-screen has accordingly Pattern and/or word.

9. the back lighting device of touch controlled key as claimed in claim 1, it is characterised in that the panel is provided with multiple described tactile Touch and multiple capacitive induction pieces are correspondingly provided with key zone, the plate, and the plate is set on the surface of the panel Multiple LEDs are equipped with, touch key-press area described in each LED correspondence one is set.

10. a kind of household electrical appliance, it is characterised in that include the backlight of the touch controlled key as described in claim 1-9 any one Device.