CN211270251U

CN211270251U - Food processing machine

Info

Publication number: CN211270251U
Application number: CN201920979100.1U
Authority: CN
Inventors: 王旭宁; 王韩; 王腾飞; 詹应安
Original assignee: Joyoung Co Ltd
Current assignee: Hangzhou Jiuchuang Home Appliances Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-08-18
Anticipated expiration: 2029-06-27

Abstract

The embodiment of the utility model discloses food preparation machine, include: an operation panel, a display circuit board and a light emitting device; a display area is arranged on the operation panel; the operation panel is positioned above the display circuit board; the display circuit board is provided with a slot in the area corresponding to the display area; the light-emitting device is arranged on the back surface of the display circuit board and is positioned at the groove; and the light emitting surface of the light emitting device corresponds to the groove. Through the scheme of the embodiment, the circuit board is more miniaturized and flattened, and the requirement of the circuit board on the installation space is reduced.

Description

Food processing machine

Technical Field

The embodiment of the utility model provides a human-computer interface design technique that relates to cooking equipment especially indicates a food preparation machine.

Background

As is well known, human life and electricity use are now inseparable, and circuit boards and electricity use are often closely associated. The circuit board circuit is miniaturized and visualized, and plays an important role in the batch production of fixed circuits and the optimization of the layout of electrical appliances.

Generally, an electric appliance has an operation panel for displaying characters, icons or patterns to interact with a user. In a general scheme, as shown in fig. 1, a display device is placed below an operation panel (1-1). The display device is composed of a display circuit board (1-2), a Light Emitting Diode (LED) (1-3) and other electronic components (1-4). The LED (1-3) is welded at the position, corresponding to the display area of the operation panel (1-1), of the top layer of the display circuit board (1-2), the other electronic components (1-4) are welded at the position, corresponding to the display area of the operation panel (1-1), of the top layer of the display circuit board (1-2), and the LED (1-3) is electrified to emit light to illuminate characters or icons on the operation panel (1-1) so as to realize man-machine interaction.

The above scheme can well realize the display of the operation panel, but along with the increasing demand of people for miniaturization, the scheme can not meet the demand of people.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a food preparation machine can make the circuit board miniaturization more, the platyzization, reduces the requirement of circuit board to installation space.

In order to achieve the purpose of the embodiment of the utility model, the embodiment of the utility model provides a food processor can include: an operation panel, a display circuit board and a light emitting device; a display area is arranged on the operation panel; the operation panel is positioned above the display circuit board; the display circuit board may be used to dispose the light emitting device;

the display circuit board is provided with a slot in the area corresponding to the display area;

the light-emitting device is arranged on the back surface of the display circuit board and is positioned at the groove;

and the light emitting surface of the light emitting device corresponds to the groove.

In an exemplary embodiment of the present invention, the light emitting device may be a patch light emitting diode LED.

In an exemplary embodiment of the present invention, the width L of the slot may satisfy: l1 < L2;

wherein L1 is the width of the light emitting surface, and L2 is the width of the body of the light emitting device.

In an exemplary embodiment of the present invention, the width L of the slot may satisfy: l1 < L < (L2-2L 3);

wherein L3 is a one-sided bonding width of the light emitting device.

In the exemplary embodiment of the present invention, the gap D1 between the operation panel and the display circuit board may satisfy:

wherein S is the width of the light emitting device required to be irradiated, and theta is the light emitting angle of the light emitting device; d2 is the thickness of the display circuit board.

In an exemplary embodiment of the present invention, one or more light emitting devices are correspondingly disposed under each of the slots.

In an exemplary embodiment of the present invention, the slot may be rectangular, and when the slot is provided with a plurality of light emitting devices, the plurality of light emitting devices are sequentially arranged along a length direction of the slot.

In an exemplary embodiment of the present invention, a light shielding material may be disposed between any adjacent display regions.

In an exemplary embodiment of the present invention, the light shielding material may include: a rib extending from the operation panel and/or a light-impermeable member mounted on the display circuit board.

In an exemplary embodiment of the present invention, the display device may further include: a light emission control circuit; the light-emitting control circuit is arranged in an area where the light-emitting device is not arranged on the back surface of the display circuit board, and/or is arranged on the front surface of the display circuit board and is positioned between the display circuit board and the operation panel.

The utility model discloses beneficial effect can include:

1. the utility model discloses food preparation machine can include: an operation panel, a display circuit board and a light emitting device; a display area is arranged on the operation panel; the operation panel is positioned above the display circuit board; the display circuit board is provided with a slot in the area corresponding to the display area; the light-emitting device is arranged on the back surface of the display circuit board and is positioned at the groove; and the light emitting surface of the light emitting device corresponds to the groove. Through the scheme of the embodiment, the display circuit board is more miniaturized and flattened, and the requirement of the display circuit board on the installation space is reduced.

2. The utility model discloses the light emitting device can be paster emitting diode LED. The embodiment scheme enables the circuit board to be further miniaturized and saves cost.

3. The embodiment of the utility model provides a grooved width L can satisfy: l1 < L2; wherein L1 is the width of the light emitting surface, and L2 is the width of the body of the light emitting device. The size of the slot is reasonably arranged through the scheme of the embodiment, and the welding reliability of the surface mounted LED is ensured.

4. The embodiment of the utility model provides an operating panel with clearance D1 between the display line board can satisfy:

wherein S is the area to be irradiated by the light-emitting device, and theta is the light-emitting angle of the light-emitting device; d2 is the thickness of the display circuit board. Through this embodiment scheme, can make full use of space, satisfy the display effect demand promptly, can make the assembly space compact reasonable again.

5. The embodiment of the utility model provides an every correspond under the fluting and set up one or more emitting device. Through this embodiment scheme, rationally arrange paster LED, can satisfy various display demands.

6. The utility model discloses can be provided with shading material between the arbitrary adjacent display area. Through the scheme of the embodiment, on one hand, the patch LEDs in different display areas can be isolated, and the phenomenon that the display effect is influenced due to light crosstalk among the patch LEDs is avoided; on the other hand, the shading material enables different display areas to be arranged more compactly, and is beneficial to display in a small space.

Additional features and advantages of embodiments of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the embodiments of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments of the present invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention.

FIG. 1 is a schematic diagram of a conventional display device;

FIG. 2 is a schematic view of a food processor according to an embodiment of the present invention;

fig. 3 is a schematic size diagram of a light emitting device according to an embodiment of the present invention;

fig. 4 is a schematic diagram illustrating an arrangement of the light emitting devices after the slot size is lengthened according to an embodiment of the present invention;

fig. 5 is a schematic view of a setting mode of the light shielding material according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

Example one

An embodiment of the utility model provides a food processor, as shown in fig. 2, can include: an operation panel 2-1, a display circuit board 2-2 and a light emitting device 2-3; a display area is arranged on the operation panel 2-1; the operation panel 2-1 is positioned above the display circuit board 2-2; the display wiring board 2-2 may be used to dispose the light emitting device 2-3;

a slot 2-5 is formed in the area, corresponding to the display area, of the display circuit board 2-2;

the light-emitting device 2-3 is arranged on the back surface of the display circuit board 2-2 and is positioned at the slot 2-5;

the luminous surface 2-3-1 of the luminous device 2-3 corresponds to the groove 2-5.

In the exemplary embodiment of the present invention, in order to realize the practical and beautiful appearance of the electric appliance, the circuit board is required to be more miniaturized and flattened. The method for miniaturizing the circuit board is generally: replacing the plug-in device with a patch device; use of smaller packaged electronic components; using an integrated circuit; using multilayer board design and the like. These solutions require a higher production process or higher costs. According to the scheme of the embodiment of the invention, the groove is formed only in the center of the position where the patch LED2-3 of the display circuit board 2-2 of the display device is located, and meanwhile, the patch LED2-3 is reversely welded, so that the process requirement is low, and the cost is low.

In an exemplary embodiment of the present invention, the food processor may further include: a light emission control circuit 2-4; the light-emitting control circuit 2-4 is disposed on the back side of the display circuit board 2-2 in a region where the light-emitting device 2-3 is not disposed, and/or is disposed on the front side of the display circuit board 2-2 between the display circuit board 2-2 and the operation panel 2-1.

In an exemplary embodiment of the present invention, a display device may be placed below the operation panel 2-1. The display device can be composed of a display circuit board 2-2, a patch LED2-3 and other electronic components (such as a light-emitting control circuit 2-4). One side of the display circuit board 2-2 close to the operation panel 2-1 may be a top layer (or front surface), and the other side may be a bottom layer (or back surface). The display circuit board 2-2 can set up fluting 2-5 corresponding to the display area (can be used for demonstration and/or user operation) position of operating panel 2-1, paster LED2-3 can be the reverse side and weld (light emitting area 2-3-1 is towards operating panel 2-1) in fluting 2-5 position of display circuit board 2-2 bottom, other regional positions of display circuit board 2-2 top layer and bottom welding other electronic components 2-4, paster LED2-3 circular telegram is luminous, and light sees through 2-5 postillumination of fluting characters or icon on the operating panel 2-1 realize man-machine interaction.

In the exemplary embodiment of the present invention, the above embodiment scheme has the following technical effects:

on one hand, the process and the implementation scheme of the braid mode of the patch LED back pasting are the same as those of the traditional braid mode, and the cost is increased. On the other hand, on some circuit boards that need two-sided paster, through reverse welding paster LED and optimization overall arrangement, concentrate on one side of circuit board with paster components and parts for the circuit board that originally needs two-sided welding only need carry out once welding, when satisfying the user demand, reduces the system board time promptly, raises the efficiency, again can reduce cost. Namely, through this embodiment scheme, can optimize the circuit board of the double sided board or multiply wood that need make two-sided paster for single-faceboard or "pseudo single-faceboard" (multilayer is walked the line, single-sided paster) to make originally the circuit board that needs double-sided welding only need carry out single face welding, reduce welding process once, reduce system board time, raise the efficiency, also can reduce cost simultaneously.

On the other hand, if the gap between the operation panel 2-1 and the display wiring board 2-2 is D1, the area (which may mainly refer to the width here) of the area where the patch LED illuminates the operation panel 2-1 is S. When the D1 is determined, the S range is made larger by reverse soldering a patch LED; on the contrary, when the S required to be displayed by the operation panel 2-1 is determined, the gap D1 is smaller, so that the mounting space of the circuit board is reduced, and the miniaturization and the flattening of the display circuit board are facilitated.

Example two

This embodiment is based on the first embodiment, as shown in fig. 3, wherein the dimensions of the slots 2-5 are defined.

The utility model discloses an in the exemplary embodiment, for guaranteeing welding strength and reliability, suggestion grooved width L can satisfy: l1 < L < (L2-2L 3);

wherein L3 is a one-sided bonding width of the light emitting device.

In an exemplary embodiment of the present invention, the patch LEDs 2-3 may be packaged using 1206 package patch LEDs, and L1, L2, L3 may have the following dimensions: l1-1.4 mm, L2-3.2 mm, L3-0.6 mm, and the slot width L-2 mm.

In the exemplary embodiment of the present invention, the soldering reliability of the patch LED is ensured by reasonably arranging the sizes of the slots 2 to 5.

EXAMPLE III

The embodiment is based on the first embodiment or the second embodiment, and the assembling size relation of the slots 2-5 is further defined.

In the exemplary embodiment of the present invention, if the gap between the operation panel 2-1 and the display circuit board 2-2 is D1, the thickness of the display circuit board 2-2 is D2, the display range of the operation panel 2-1 is S, and the light emitting angle of the patch LED2-3 is θ. When the D1, D2 and theta are determined, the dimensional relationship is satisfied, S < 2(D1+ D2) tan theta-L. Similarly, when said S, D2 is determined with theta,

in the exemplary embodiment of the present invention, generally, the plate thickness D2 of the display circuit board 2-2, the light emitting angle θ of the patch LED2-3, and the display area S required by the operation panel 2-1 are all known quantities, and by reasonably controlling the gap D1 and the width L of the slot 2-5, the space can be fully utilized, i.e., the requirement of the display effect can be satisfied, and the assembly space can be made compact and reasonable.

Example four

This embodiment is based on any of the above embodiments and provides an embodiment in which the length of the slots 2-5 is lengthened and a plurality of chip LEDs are soldered side by side.

In the exemplary embodiment of the present invention, in some display requirements, the operation panel 2-1 may need to display a string of characters or patterns, and in order to meet the display requirements, a plurality of patch LEDs are needed, and at this time, if a groove is separately opened at each patch LED position, the display circuit board 2-2 may affect the strength due to too many grooves/openings. In order to ensure the strength, the adjacent grooves need to be separated, so that the light source is dispersed, the display brightness is possibly uneven, and the like.

In an exemplary embodiment of the present invention, as shown in fig. 4, a plurality of patch LEDs may be welded side by side at the positions of the slots 2 to 5 by lengthening the same slot 2 to 5. Through the scheme of the embodiment, the number of the slots can be reduced, and the display effect is ensured. And various display requirements can be met by reasonably arranging the patch LEDs.

In the exemplary embodiment of the present invention, the slots 2 to 5 may be lengthened and/or widened while welding 2 or more patch LEDs side by side, and the number of the patch LEDs may be increased as required in practical use.

EXAMPLE five

This embodiment is based on any of the above embodiments, and provides an embodiment in which a light shielding material is added between different display regions.

In exemplary embodiments of the present invention, a light shielding material 2-6 may be disposed between any adjacent display regions.

In an exemplary embodiment of the present invention, as shown in fig. 5, a light shielding material 2-6 is added between the patch LEDs 2-3; the light shielding material may be located between the operation panel 2-1 and the display wiring board 2-2.

In the exemplary embodiment of the present invention, the light shielding materials 2 to 6, on one hand, separate the patch LEDs in different display areas, and avoid crosstalk between them and affecting the display effect; on the other hand, the light shielding materials 2 to 6 enable different display areas to be arranged more compactly, and are beneficial to display in a small space.

EXAMPLE six

On the basis of the fifth embodiment, the embodiment provides an implementation mode embodiment of the light shielding material.

In an exemplary embodiment of the present invention, the light shielding material may be implemented by:

< a > a rib/a surrounding rib from which the shade material 2-6 can protrude from the operation panel 2-1;

< b > the light shielding material 2-6 may be a light-impermeable member mounted on the wiring board 2-2;

< c > the light blocking material 2-6 may be an additional opaque member.

In an exemplary embodiment of the present invention, the light shielding material 2-6 may use but is not limited to a light shielding pad, such as a silicone pad. The shading pad can be sleeved on the display circuit board 2-2 and clamped between the operation panel 2-1 and the display circuit board 2-2.

In the exemplary embodiment of the present invention, in the interface UI display of the small space, the display interface is compact, crosstalk occurs between each other, and crosstalk can be avoided by adding the light shielding material. And the implementation mode is easy to realize and low in cost.

It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.

Claims

1. A food processor, comprising: an operation panel, a display circuit board and a light emitting device; a display area is arranged on the operation panel; the operation panel is positioned above the display circuit board;

2. The food processor of claim 1, wherein the light emitting device is a patch Light Emitting Diode (LED).

3. The food processor of claim 2, wherein the slot has a width L that satisfies: l1 < L2;

4. The food processor of claim 3, wherein the slot has a width L that satisfies: l1 < L < (L2-2L 3);

wherein L3 is a one-sided bonding width of the light emitting device.

5. The food processor of claim 1, wherein a gap D1 between the operating panel and the display board satisfies:

6. The food processor of claim 1, wherein one or more light emitting devices are disposed beneath each of the slots.

7. The food processor of claim 6, wherein the slot is rectangular and the plurality of light emitting devices are sequentially disposed along a length of the slot when the plurality of light emitting devices are correspondingly disposed under the slot.

8. The food processor of claim 1, wherein a light blocking material is disposed between any adjacent display areas.

9. The food processor of claim 8, wherein the light blocking material comprises: a rib extending from the operation panel and/or a light-impermeable member mounted on the display circuit board.

10. The food processor of any one of claims 1-9, further comprising: a light emission control circuit; the light-emitting control circuit is arranged in an area where the light-emitting device is not arranged on the back surface of the display circuit board, and/or is arranged on the front surface of the display circuit board and is positioned between the display circuit board and the operation panel.