Touch panel and integrated cooker

Abstract

The utility model provides a touch panel and an integrated cooker, and belongs to the technical field of kitchen equipment. The touch panel comprises a face shell, a plurality of touch sensing elements, a first circuit board and a second circuit board, the face shell, the touch sensing elements, the first circuit board and the second circuit board are sequentially arranged, a driving chip is arranged on one side of the first circuit board, a first receding hole is formed in the second circuit board corresponding to the driving chip, the driving chip is located in the first receding hole, and the first receding hole is communicated with the first receding hole. The first circuit board is electrically connected with the second circuit board, and the touch sensing element is electrically connected with the first circuit board.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen equipment, and particularly relates to a touch panel and an integrated stove. Background Art

[0002] Generally, the height of a cooking appliance embedded in a stove top is about 80 mm. Due to the limitation of kitchen integration, products such as disinfection cabinets, ovens, and dishwashers are generally embedded below to form an integrated cooking center. However, with an installation height of 80 mm, when combining kitchen appliances below and also requiring the installation of fireproof boards, etc., the installed stove top will be very high, which does not meet the requirements of ordinary families.

[0003] Design a cooking appliance with a height of about 55 mm, with a relatively large space between the operation knobs of the left and right cooking appliances, suitable for placing a display operation panel, and it is aesthetically pleasing. The display operation panel on the cooking appliance usually uses touch control and adds color icons. The entire thickness of the display operation panel assembly will exceed 10 mm, which will interfere with the gas pipeline inside the cooking appliance and cannot be installed. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a touch panel, which realizes a reduced thickness, and the thickness of the entire touch panel assembly is less than 10 mm.

[0005] To achieve the purpose of the utility model, the following technical solutions are adopted:

[0006] According to one aspect of the utility model, a touch panel is provided, which includes a face shell, a plurality of touch sensing elements, a first circuit board, and a second circuit board. The face shell, the touch sensing elements, the first circuit board, and the second circuit board are arranged in sequence. One side of the first circuit board has a driving chip, the second circuit board is provided with a first avoidance hole corresponding to the driving chip, the driving chip is located in the first avoidance hole, the first circuit board is electrically connected to the second circuit board, and the touch sensing elements are electrically connected to the first circuit board.

[0007] According to an embodiment of the utility model, columnar pins are arranged on each touch sensing element, the first circuit board is provided with a second avoidance hole corresponding to the columnar pins, and an annular pad is arranged in the second avoidance hole. The columnar pins are inserted and welded in the annular pads.

[0008] According to an embodiment of the utility model, the second circuit board is provided with a third avoidance hole corresponding to the columnar pins, and one end of the columnar pins passing through the annular pads is inserted into the third avoidance hole.

[0009] According to an embodiment of the utility model, the outer side of the face shell has a face sticker, the first circuit board has a plurality of first light-emitting diodes, the face shell is provided with a first through hole corresponding to the first light-emitting diodes, and the face sticker has a function mark corresponding to the first through hole.

[0010] According to an embodiment of the present utility model, it further includes a plurality of light guide plates. The light guide plates are located between the front shell and the touch sensing elements. The plurality of light guide plates respectively correspond to the plurality of touch sensing elements. At least one second light emitting diode is arranged at the edge of the touch sensing element, and the second light emitting diode faces the end face of the light guide plate.

[0011] According to an embodiment of the present utility model, grooves are formed on the inner side surface of the front shell corresponding to each light guide plate, and a part of the light guide plate is located in the groove.

[0012] According to an embodiment of the present utility model, it further includes a housing. The front shell, the touch sensing element, the first circuit board and the second circuit board are all located inside the housing. The housing includes a front housing and a rear housing. The front housing and the rear housing are detachably connected by screws. The front housing has a hollow hole corresponding to the front shell, and the front shell is sleeved in the hollow hole.

[0013] The present utility model also discloses an integrated cooking stove, including the above-mentioned touch control panel.

[0014] One embodiment of the present utility model has the following advantages or beneficial effects:

[0015] For a touch control panel of the present utility model, since it includes a front shell, a plurality of touch sensing elements, a first circuit board and a second circuit board, the front shell, the touch sensing element, the first circuit board and the second circuit board are arranged in sequence. A driving chip is provided on one side of the first circuit board. The second circuit board is provided with a first avoidance hole corresponding to the driving chip, and the driving chip is located in the first avoidance hole, so as to reduce the gap between the first circuit board and the second circuit board, thereby reducing the thickness of the touch control panel, and making the thickness of the entire touch control panel less than 10 mm. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] By referring to the accompanying drawings and describing its exemplary embodiments in detail, the above and other features and advantages of the present utility model will become more obvious.

[0017] Figure 1 FIG. is an exploded view of a touch control panel shown according to an exemplary embodiment.

[0018] Figure 2 FIG. is a schematic diagram of a touch sensing element mounted on a first circuit board shown according to an exemplary embodiment.

[0019] Figure 3 FIG. is an exploded view of a housing shown according to an exemplary embodiment.

[0020] Figure 4 FIG. is a schematic diagram of the front shell sleeved in the hollow hole of the front housing shown according to an exemplary embodiment.

[0021] Among them, the description of the reference numerals is as follows:

[0022] 1. Front shell; 11. Front sticker; 2. Light guide plate; 3. Touch sensing element; 31. Columnar pin; 32. Second light-emitting diode; 4. First circuit board; 41. Driving chip; 42. Second avoidance hole; 43. First light-emitting diode; 5. Second circuit board; 51. First avoidance hole; 52. Third avoidance hole; 6. Front housing; 61. Hollow hole; 7. Rear housing; 8. Screw. Detailed implementation manners

[0023] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be implemented in various forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this utility model will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art. Like reference numerals in the figures denote the same or similar structures, and thus their detailed descriptions will be omitted.

[0024] The terms "a", "an", "the", and "said" are used to denote the presence of one or more elements / components / etc.; the terms "comprising" and "having" are used to mean an open inclusion and mean that there may be additional elements / components / etc. in addition to the listed elements / components / etc.

[0025] As Figures 1-4 shown, a touch panel according to an embodiment of the present utility model includes a front shell 1, a plurality of touch sensing elements 3, a first circuit board 4, and a second circuit board 5, and the front shell 1, the touch sensing element 3, the first circuit board 4, and the second circuit board 5 are arranged in sequence.

[0026] The first circuit board 4 is electrically connected to the second circuit board 5. A driving chip 41 is provided on one side of the first circuit board 4. The second circuit board 5 is provided with a first avoidance hole 51 corresponding to the driving chip 41. The size of the first avoidance hole 51 is adapted to the size of the driving chip 41. The driving chip 41 is located within the first avoidance hole 51, so as to reduce the gap between the first circuit board 4 and the second circuit board 5, thereby reducing the thickness of the touch panel, and making the thickness of the entire touch panel less than 10 mm.

[0027] The first circuit board 4 is electrically connected to the second circuit board 5, and the touch sensing element 3 is electrically connected to the first circuit board 4.

[0028] As Figure 1As shown, in a preferred embodiment of the present utility model, the touch sensing element 3 is in a plate shape, and columnar pins 31 are vertically provided on each touch sensing element 3. The first circuit board 4 is provided with second avoidance holes 42 corresponding to the columnar pins 31. Annular pads are provided in the second avoidance holes 42. The columnar pins 31 are inserted and welded in the annular pads to reduce the gap between the touch sensing element 3 and the first circuit board 4, thereby further reducing the thickness of the touch control panel. And the columnar pins 31 are electrically connected to the components on the first circuit board 4. This avoids the problem that the pins of the existing touch sensing element are located outside, resulting in a large gap between the touch sensing element 3 and the first circuit board 4.

[0029] As Figure 1 shown, in a preferred embodiment of the present utility model, the second circuit board 5 is provided with third avoidance holes 52 corresponding to the columnar pins 31. One end of the columnar pin 31 passing through the annular pad (i.e., the end where the length of the columnar pin 31 extends) is inserted into the third avoidance hole 52.

[0030] During the production process, when welding the columnar pins 31, one end of the columnar pin 31 needs to be exposed from the annular pad to enable soldering and avoid false soldering. And one end of the columnar pin 31 passing through the annular pad is inserted and hidden in the third avoidance hole 52, which realizes preventing the charged pin 31 from contacting the circuit on the second circuit board 5 and avoiding short - circuit anomalies. At the same time, one end of the columnar pin 31 passing through the annular pad is inserted and hidden in the third avoidance hole 52, avoiding condensation of dew in a humid environment and the risk of contacting the circuit on the second circuit board 5, thereby improving the stability and service life of the touch control panel.

[0031] In a preferred embodiment of the present utility model, the middle part of the annular pad is tubular, and the two ends are the turned - out edges of the tubular part. The turned - out edges at both ends are respectively abutted against the two side surfaces of the first circuit board 4 to fix the annular pad.

[0032] As Figure 1 shown, in a preferred embodiment of the present utility model, the outer side of the face shell 1 has a face sticker 11.

[0033] The first circuit board 4 has a plurality of first light - emitting diodes 43. The face shell 1 is provided with first through - holes corresponding to the first light - emitting diodes 43. The face sticker 11 has function marks corresponding to the first through - holes.

[0034] For example, when the touch control panel of the present utility model is applied to an integrated stove integrated with a dishwasher, as Figure 1 、 4 shown, the function marks include function marks such as daily wash, heavy - oil wash, energy - saving wash, disinfection wash, etc. When the dishwasher is in the daily - wash state, the first light - emitting diode 43 corresponding to the daily wash is lit, and then the daily - wash mark is lit, enabling the user to clearly know the current state of the dishwasher.

[0035] As Figure 1 , 2 shown, in a preferred embodiment of the present utility model, it further includes a plurality of light guide plates 2, the light guide plates 2 are located between the front shell 1 and the touch sensing element 3, each light guide plate 2 corresponds to each touch sensing element 3 respectively, a second light emitting diode 32 is arranged at the edge of the touch sensing element 3, the second light emitting diode 32 is arranged opposite to the end face of the light guide plate 2, when the second light emitting diode 32 is lit, the whole light guide plate 2 emits light, and the front shell 1 and the face sticker 11 are light transmissive to illuminate the touch sensing area of the front shell 1 and the face sticker 11.

[0036] The first light emitting diode 43 and the second light emitting diode 32 are electrically connected to the first circuit board or the second circuit board respectively.

[0037] In a preferred embodiment of the present utility model, grooves are formed on the inner side surface of the front shell 1 corresponding to each light guide plate 2, the sizes of the grooves are adapted to the sizes of the light guide plates 2, and a part of the light guide plate 2 is inserted into the grooves to fix the position of the light guide plate 2.

[0038] In a preferred embodiment of the present utility model, the front shell 1 includes a panel and an annular wall fixedly connected to the inner side of the panel, a cavity is jointly surrounded by the panel, the annular wall and the second circuit board 5, the light guide plate 2, the touch sensing element 3 and the first circuit board 4 are all located in the cavity, and the annular wall and the second circuit board 5 can be adhesively connected or detachably connected by screws.

[0039] As Figures 3-4 shown, in a preferred embodiment of the present utility model, it further includes a housing, the front shell 1, the light guide plate 2, the touch sensing element 3, the first circuit board 4 and the second circuit board 5 are all located in the housing, the housing includes a front housing 6 and a rear housing 7, the front housing 6 and the rear housing 7 are detachably connected by screws 8, and the front housing 6 has a hollow hole 61 corresponding to the front shell 1, and the front shell 1 is sleeved in the hollow hole 61.

[0040] As Figures 1-2 shown, in a preferred embodiment of the present utility model, a plurality of touch sensing elements 3 are arranged in a U shape and semi - surround the first light emitting diode 43.

[0041] Touch control principle: The touch sensing element 3 is a printed circuit board. Conductive traces are formed on the touch sensing element 3 to form a conductive area. A finger in contact with the touch forms a capacitor, which is equivalent to the finger and the touch conductive area being the two electrodes of the capacitor respectively. When the finger touches and the capacitance value of the finger pressing reaches the touch threshold, it is determined that a touch button is operated. The touch sensing element 3 transmits an electrical signal to the control chip, and the control chip controls the corresponding first light emitting diode and / or second light emitting diode to light up to display the current state for the user to operate.

[0042] The functions corresponding to each touch sensing element 3 are different. For example, each touch sensing element 3 corresponds to functions such as switch, pause, mode selection, etc.

[0043] The present utility model also provides an integrated stove, including the above-mentioned touch control panel. Since the integrated stove of the present utility model adopts the above-mentioned touch control panel, the thickness of the entire component of the touch control panel is less than 10 mm, avoiding the problem that it cannot be installed due to interference with the gas pipeline inside the stove.

[0044] In the embodiments of the present utility model, the term "a plurality of" refers to two or more, unless otherwise clearly defined. Terms such as "installation", "connection", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0045] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the embodiments of the present utility model.

[0046] In the description of this specification, the description of terms such as "an embodiment", "a preferred embodiment", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the embodiments of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0047] The above are only the preferred embodiments of the embodiments of the present utility model, and are not used to limit the embodiments of the present utility model. For those skilled in the art, the embodiments of the present utility model can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present utility model shall be included within the protection scope of the embodiments of the present utility model.

Claims

1. A touch panel, characterized in that: The invention comprises a face shell (1), a plurality of touch sensing elements (3), a first circuit board (4) and a second circuit board (5), wherein the face shell (1), the touch sensing elements (3), the first circuit board (4) and the second circuit board (5) are arranged in sequence, one side of the first circuit board (4) is provided with a driving chip (41), the second circuit board (5) is provided with a first avoidance hole (51) corresponding to the driving chip (41), the driving chip (41) is located in the first avoidance hole (51), the first circuit board (4) is electrically connected to the second circuit board (5), and the touch sensing elements (3) are electrically connected to the first circuit board (4).

2. The touch panel according to claim 1, characterized in that: Each of the touch sensing elements (3) is provided with a columnar pin (31); the first circuit board (4) is provided with a second avoidance hole (42) corresponding to the columnar pin (31); an annular soldering pad is provided in the second avoidance hole (42); and the columnar pin (31) is soldered to the annular soldering pad.

3. The touch panel according to claim 2, characterized in that: The second circuit board (5) is provided with a third avoidance hole (52) corresponding to the columnar pin (31); one end of the columnar pin (31) passing through the annular pad is inserted into the third avoidance hole (52).

4. The touch panel according to claim 3, characterized in that: The outer side of the face shell (1) has a face sticker (11), the first circuit board (4) has a plurality of first light-emitting diodes (43), the face shell (1) has first through holes corresponding to the first light-emitting diodes (43), and the face sticker (11) has functional markings corresponding to the first through holes.

5. The touch panel according to claim 1, characterized in that: It also comprises a plurality of light guide plates (2), wherein the light guide plates (2) are arranged between the surface shell (1) and the touch sensing element (3), and the plurality of light guide plates (2) respectively correspond to the touch sensing elements (3), and at least one second light emitting diode (32) is arranged on the edge of the touch sensing element (3), and the second light emitting diode (32) is opposite to the end face of the light guide plate (2).

6. The touch panel according to claim 5, characterized in that: The inner side surface of the face shell (1) is provided with a groove corresponding to each of the light guide plates (2), and a portion of the light guide plate (2) is located in the groove.

7. The touch panel according to claim 1, characterized in that: The device further comprises a shell, wherein the face shell (1), the touch sensing element (3), the first circuit board (4) and the second circuit board (5) are all located inside the shell, and the shell comprises a front shell (6) and a rear shell (7), wherein the front shell (6) and the rear shell (7) are detachably connected via screws (8), and the front shell (6) has a hollow hole (61) corresponding to the face shell (1), and the face shell (1) is sleeved in the hollow hole (61).

8. An integrated stove, characterized in that: The invention comprises the touch panel described in any one of claims 1 to 7.

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