CN219738485U

CN219738485U - Display device and household appliance

Info

Publication number: CN219738485U
Application number: CN202321387954.3U
Authority: CN
Inventors: 廖东升; 孙飞; 张炳卫
Original assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Current assignee: Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-09-22
Anticipated expiration: 2033-05-31

Abstract

The utility model discloses a display device and a household appliance, wherein the display device comprises a plurality of luminous bodies, light guide pieces and light isolation pieces, the luminous bodies comprise a plurality of luminous bodies which are arranged at intervals, the light guide pieces comprise a plurality of first light guide parts, the first light guide parts are arranged corresponding to the luminous bodies, and the light isolation pieces are arranged on the light guide pieces and are positioned between two adjacent first light guide parts. According to the technical scheme, the light-isolating piece is arranged between the adjacent first light guide parts, and plays a role in isolating light, so that the light is prevented from being conducted from the current first light guide part to the adjacent first light guide part, and the display of the display device is more accurate and attractive.

Description

Display device and household appliance

Technical Field

The utility model relates to the technical field of household appliances, in particular to a display device and a household appliance.

Background

The household appliance is provided with a display device for displaying the current running state, in general, the display device is provided with a plurality of lamp beads and light guide pieces corresponding to the lamp beads, when a certain lamp bead is lighted, the light rays of the lamp beads can not only lighten the corresponding light guide pieces, but also lighten the side light guide pieces, so that the display accuracy is reduced.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. To this end, the utility model proposes a display device.

To achieve the above object, the present utility model discloses a display device including:

the luminous bodies comprise a plurality of luminous bodies which are arranged at intervals;

the light guide piece comprises a plurality of first light guide parts, and the first light guide parts are arranged corresponding to the luminous bodies; and

the light isolation piece is arranged on the light guide piece and located between two adjacent first light guide parts.

In some embodiments of the utility model, the light blocking member is injection molded over the light guiding member.

In some embodiments of the present utility model, the display device further includes a middle frame, the middle frame is provided with a light channel, the light emitter extends into the light channel, and the first light guiding portion is disposed corresponding to the light channel.

In some embodiments of the present utility model, the light guide further includes a connection portion, and the first light guide portion is disposed on the connection portion;

the display device further comprises a panel, the panel is connected with the middle frame and is clamped with the connecting portion, the panel is provided with a through hole, and the first light guide portion stretches into the through hole to be exposed.

In some embodiments of the present utility model, the connection portion forms a second light guide portion, the connection portion covers the light channel, and the first light guide portion is disposed corresponding to the light channel through the connection portion.

In some embodiments of the present utility model, the light guide is provided with a first positioning portion, the middle frame or the panel is provided with a second positioning portion, and the first positioning portion and the second positioning portion are connected in a matching manner.

In some embodiments of the utility model, the panel and the middle frame are adhesively secured.

In some embodiments of the utility model, the display device further includes a control knob, the light guide member is hollow and annular, and the control knob is disposed through the light guide member.

In some embodiments of the utility model, the display device further comprises a control circuit, the control knob is adapted to trigger the control circuit, and the number of lights turned on is adapted to vary with rotation of the control knob.

A household appliance comprising the display device described above.

According to the technical scheme, the light-isolating piece is arranged between the adjacent first light guide parts, and plays a role in isolating light, so that the light is prevented from being conducted from the current first light guide part to the adjacent first light guide part, and the display of the display device is more accurate and attractive.

Additional advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other designs can be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an oven range in some embodiments;

FIG. 2 is a schematic diagram of a display device (control knob in depressed state) in some embodiments;

FIG. 3 is a schematic diagram of a display device (control knob in sprung state) in some embodiments;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 3;

FIG. 5 is an exploded view of a display device in some embodiments;

FIG. 6 is a schematic diagram of a light guide and light shield combination in some embodiments;

FIG. 7 is a schematic diagram of a light guide and light shield combination in some embodiments;

FIG. 8 is a schematic diagram illustrating the mating of the light guide and the middle frame in some embodiments;

fig. 9 is an enlarged view labeled a in fig. 8;

FIG. 10 is a schematic diagram of the mating of the light guide and the panel in some embodiments.

Reference numerals illustrate:

the oven comprises a stove 1000, an oven 2000, a display device 3000, a light emitting body 3100, a light guide 3200, a first light guide portion 3210, a second light guide portion/connecting portion 3220, a first positioning portion 3230, a light shielding member 3300, a circuit board 3400, a middle frame 3500, a light channel 3510, a second positioning portion 3520, a panel 3600, a through hole 3610 and a control knob 3700.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The first aspect of the present utility model discloses a display device 3000, and hereinafter, the display device 3000 will be described in detail with reference to a home appliance, it being understood that the display device 3000 of the present utility model is not limited to application to a home appliance.

Home appliances are of various types including, but not limited to, an oven, a range of ovens, an integrated range, a dishwasher, etc., and in order to display the current operation state of the home appliance, the home appliance includes a display device 3000, the display device 3000 displaying the current operation state of the home appliance through the on/off of the light 3100 for a user to intuitively learn the current state.

As shown in fig. 2, 3, 4, 5, 6 and 7, in some embodiments of the present utility model, the display device 3000 includes a plurality of light emitters 3100, light guides 3200 and light spacers 3300, the plurality of light emitters 3100 are arranged at intervals, the plurality of light guides 3200 include first light guide portions 3210, similar to the light emitters 3100, the plurality of first light guide portions 3210 are also arranged correspondingly between the light emitters 3100 and the first light guide portions 3210, the light spacers 3300 are disposed between the light guides 3200 and between two adjacent first light guide portions 3210, and by disposing the light spacers 3300 between the adjacent first light guide portions 3210, the light spacers 3300 play a role of isolating light, and prevent light from being transmitted from the current first light guide portions 3210 to the adjacent first light guide portions 3210, so that the display of the display device 3000 is more accurate and attractive.

Specifically, the light emitter 3100 is a component that can emit light when energized, for example, the light emitter 3100 may be an LED (light emitting diode) lamp bead, and the number of the light emitters 3100 includes a plurality, which is understood to mean two or more in this document, and by controlling the on/off of the corresponding light emitter 3100, the status of the household appliance can be displayed. For example, each light 3100 on the household appliance is provided with a different indication, which corresponds to a different operation state of the household appliance, and when the corresponding light 3100 is lit, it means that the household appliance is in the corresponding operation state. For another example, the number of on/off of the light 3100 corresponds to the operation temperature/time/fire of the home appliance, and when the number of on/off of the light 3100 is larger, it means that the operation temperature/time/fire is larger, and vice versa, the larger.

In order to better transmit the light emitted from the light emitting body 3100 to the outside of the home appliance for the user to observe and thereby learn the current operation state, the light guiding member 3200, which is also called a light transmitting member, is provided to guide the light to be transmitted, so that the light is emitted more intensively. As shown in fig. 6 and fig. 7, the light guide 3200 includes first light guide portions 3210, a plurality of first light guide portions 3210 are disposed at intervals, each of the first light guide portions 3210 and the light emitting body 3100 are disposed correspondingly, so-called corresponding arrangement, that is, the first light guide portions 3210 receive light emitted by the corresponding light emitting body 3100, for example, two first light guide portions 3210 are disposed, two light emitting bodies 3100 and two first light guide portions 3210 are disposed in a one-to-one correspondence manner, and one light emitting body 3100 and one light guide portion form a group to be disposed correspondingly.

Taking how many the luminous body 3100 is on or off to indicate the fire power of the household appliance as an example, the luminous body 3100 and the first light guide portion 3210 each comprise six, the six first light guide portions 3210 and the six luminous bodies 3100 are arranged in a one-to-one correspondence manner, and the six luminous bodies 3100 are defined as a first luminous body, a second luminous body, a third luminous body, a fourth luminous body, a fifth luminous body and a sixth luminous body. When the first light emitting body is controlled to be turned on, the corresponding first light guide portion 3210 is turned on, and the heat power is minimized at this time; when the first light emitter and the second light emitter are controlled to be turned on, the corresponding two first light guide portions 3210 are turned on, and the firepower is small at this time; when the first light emitter, the second light emitter and the third light emitter are controlled to be turned on, the corresponding three first light guide portions 3210 are turned on, and the firepower is moderate; similarly, when the six light emitters 3100 are controlled to be lit, the corresponding six first light guide portions 3210 are lit, and the fire power is maximized.

In order to avoid that when a certain first light guiding portion 3210 is lit, light rays flee to the adjacent first light guiding portion 3210, by providing the light shielding member 3300, the light shielding member 3300 is a light-proof member, and the light rays cannot pass through the light shielding member 3300 to be emitted, so that the adjacent first light guiding portions 3210 avoid the crosstalk of the light rays, and the display is more accurate.

For example, when the light emitter 3100 and the first light guide portion 3210 each include three elements, and when the household appliance is in a minimum state, the first light guide portion 3210 corresponding to the first light emitter is also turned on when the first light emitter is controlled to be turned on. If the light-blocking member 3300 is not provided, the light transmitted through the current first light-guiding portion 3210 is directed to the adjacent first light-guiding portion 3210 due to refraction, emission, or other factors, and at this time, the adjacent first light-guiding portion 3210 is also lit, which is easy to confuse the user and makes it impossible to distinguish how many first light-guiding portions 3210 are currently lit. In the present embodiment, by providing the light-shielding member 3300, the light emitted from the first light-emitting body to the corresponding first light-guiding portion 3210 is not emitted to the adjacent first light-guiding portion 3210 under the blocking of the light-shielding member 3300, so that only the current first light-guiding portion 3210 is lit up and the adjacent first light-guiding portion 3210 is not lit up, so that the display is more accurate.

In some embodiments of the present utility model, the light guide 3200 and the light blocking member 3300 are injection molded twice, thus reducing the difficulty in manufacturing the light guide 3200 and the light blocking member 3300, and making the bonding between the light guide 3200 and the light blocking member 3300 stronger and less prone to loosening.

Specifically, the so-called secondary injection molding is a multi-material injection molding technology, specifically, after a certain plastic raw material is molded in a primary plastic mold, the molded part is taken out, and is put into the secondary molding mold to be injected with the same kind of plastic material or another plastic material molding process, for example, the light guide 3200 is injection molded first and then the light shielding member 3300 is injection molded on the basis of the light guide 3200, so that the light guide 3200 and the light shielding member 3300 are combined more tightly, and are integrated together, are not easy to separate, and have higher aesthetic degree. In particular, in general, the light-blocking member 3300 has a small size, is not easily fixed to the light-guiding member 3200, and can more conveniently couple the light-guiding member 3200 and the light-blocking member 3300 together by the two-shot molding.

Further, in some embodiments of the present utility model, as shown in fig. 5 and 8, the display device 3000 further includes a middle frame 3500, the middle frame 3500 has a light channel 3510, the light source 3100 needs to be disposed to extend into the light channel 3510, and the first light guiding portion 3210 is disposed corresponding to the light channel 3510, so that light is better transmitted to the corresponding first light guiding portion 3210.

Specifically, when the middle frame 3500 is disposed between the light emitter 3100 and the light guide 3200, for example, when the light emitter 3100 is an LED bead, the LED bead is welded on the circuit board 3400, the circuit board 3400 is located at the rear of the middle frame 3500, the middle frame 3500 is formed with a light channel 3510, so-called light channel 3510 is a hollow channel structure for allowing light to pass through, the light is emitted from one end of the light channel 3510 toward the other end, i.e., substantially along the extending direction of the light channel 3510, the LED bead is welded on the circuit board 3400 and extends into one end of the light channel 3510, so that the light emitted by the LED bead is transmitted in the light channel 3510, and then is emitted from the other end of the light channel 3510, the other end of the light channel 3510 and the first light guide 3210 are correspondingly disposed, and the light emitted from the other end of the light channel 3510 is finally emitted toward the first light guide 3210, so that the first light guide 3210 is lightened. By providing the middle frame 3500 and forming the light channel 3510 on the middle frame 3500, light is prevented from being scattered to other directions when reaching the first light guide 3210.

As shown in fig. 2, 3, 4, 5 and 10, in some embodiments of the present utility model, the display device 3000 further includes a panel 3600, the panel 3600 and the middle frame 3500 are connected to cover the outer surface of the middle frame 3500, the light guide 3200 further includes a connection portion 3220, the first light guide 3210 is disposed at the connection portion 3220, the connection portion 3220 is disposed between the middle frame 3500 and the panel 3600, the connection portion 3220 is clamped when the middle frame 3500 and the panel 3600 are connected, so that the whole light guide 3200 is fixed, in addition, the panel 3600 has a through hole 3610, and after the middle frame 3500 and the panel 3600 clamp the connection portion 3220, the first light guide 3210 needs to be extended into the through hole 3610 to be exposed in the through hole 3610, so as to be observed by a user.

Specifically, the panel 3600 is located in front of the middle frame 3500, the panel 3600 needs to be fixed with the middle frame 3500, the so-called panel 3600, that is, forms an outer surface of the display device 3000, and by providing the panel 3600, the display device 3000 can be more beautiful, and the panel 3600 and the middle frame 3500 can be connected in various manners, that is, the panel 3600 and the middle frame 3500 are adhered together, or the panel 3600 and the middle frame 3500 are connected in a snap fit manner. The panel 3600 and the middle frame 3500 can be adhered together by coating an adhesive between the panel 3600 and the middle frame 3500, a buckle is arranged on one side of the panel 3600 facing the middle frame 3500, a buckle hole is arranged on the middle frame 3500, and the buckle of the panel 3600 is buckled into the buckle hole to realize connection of the panel 3600 and the middle frame 3500. It will be appreciated that since the panel 3600 is required to form the outer surface of the display device 3000, the outer side of the panel 3600 (the side facing away from the middle frame 3500) may be formed to a complete surface (without openings) by adhesive and snap-fit connections.

The connection portion 3220 and the first light guide portion 3210 may be manufactured using an integral molding process, so that the light guide 3200 is easier to manufacture, the connection portion 3220 is clamped between the middle frame 3500 and the panel 3600 by the arrangement of the connection portion 3220, thereby achieving the limitation of the light guide 3200, and the first light guide portion 3210 needs to extend into the through hole 3610, so that the edge of the through hole 3610 forms the limitation of the first light guide portion 3210, and the light guide 3200 is fixed between the middle frame 3500 and the panel 3600 by the arrangement of the connection portion 3220 and the first light guide portion 3210. When the first light guide portion 3210 extends into the through-hole 3610, it is exposed in the through-hole 3610, and thus it can be observed by a user.

Further, as shown in fig. 8, when the light guide 3200 includes the connection portion 3220, the connection portion 3220 forms the second light guide portion 3220, and the connection portion 3220 needs to cover the light channel 3510, and the first light guide portion 3210 is disposed corresponding to the light channel 3510 through the connection portion 3220, so that the light guide 3200 is conveniently fixed, and light is conducted.

Specifically, when the middle frame 3500, the light guide 3200 and the panel 3600 are assembled, the connection portion 3220 needs to cover the front end of the light channel 3510, and the connection portion 3220 forms the second light guide 3220, that is, after the light emitted through the light channel 3510 is directed to the connection portion 3220, the light is conducted toward the first light guide 3210 in the connection portion 3220, so that the first light guide 3210 finally becomes bright. The connecting portion 3220 is covered on the front end of the light channel 3510, so that almost all the emitted light is directed to the connecting portion 3220, and the light emitted by the light emitter 3100 is guided to the first light guiding portion 3210, so that the corresponding first light guiding portion 3210 is brighter. For example, as shown in fig. 8, the connection portion 3220 has a ring shape, and the first light guide portion 3210 is provided at an inner ring of the connection portion 3220.

As shown in fig. 6 to 9, in some embodiments of the present utility model, the panel 3600 or the middle frame 3500 is provided with a second positioning portion 3520, the light guide 3200 is provided with a first positioning portion 3230, and the second positioning portion 3520 needs to be cooperatively connected with the first positioning portion 3230.

Specifically, since the light guide 3200 needs to be clamped between the middle frame 3500 and the panel 3600, and since the middle frame 3500 has the light channel 3510, the first light guide portions 3210 on the light guide 3200 and the light channel 3510 need to be corresponding, if the positions of the light guide 3200 are shifted, the two adjacent first light guide portions 3210 will be simultaneously lighted, so that positioning is needed when the light guide 3200 is installed, and the positioning is achieved by cooperation of the second positioning portion 3520 and the first positioning portion 3230. For example, the first positioning portion 3230 is disposed on the light guide 3200, and the second positioning portion 3520 is disposed on the middle frame 3500, when assembling, the light guide 3200 is first mounted on the middle frame 3500, and the second positioning portion 3520 and the first positioning portion 3230 are matched, that is, the light guide 3200 is mounted on the preset position of the middle frame 3500, the second positioning portion 3520 and the first positioning portion 3230 are mutually constrained, so that the light guide 3200 cannot be shifted, and then the panel 3600 is mounted. Of course, the second positioning portion 3520 may be provided on the panel 3600, and the light guide 3200 may be mounted to the panel 3600 and then the panel 3600 may be mounted to the middle frame 3500 at the time of assembly. The second positioning portion 3520 and the first positioning portion 3230 may be mutually matched in a plurality of ways, for example, magnetic attraction, mutual insertion, and the like.

In some embodiments of the present utility model, as shown in connection with fig. 2 to 5, the display device 3000 further includes a control knob 3700, it is understood that the control knob 3700 is a component for implementing adjustment of corresponding parameters, for example, by rotating the control knob 3700, so that the temperature/time/fire power of the household appliance can be adjusted, and the control knob 3700 can be rotated, and also can be pressed, and has a pressed and sprung state. Based on this, the light guide 3200 is hollow, and the hollow ring is a hollow cavity, for example, a circular ring, although the ring is not limited to a circular ring, and may be a ring with other shapes, so that the control knob 3700 can pass through the light guide 3200 and be exposed from the through hole 3610 of the panel 3600, so that the arrangement of the light guide 3200 and the control knob 3700 is more compact, and the on/off of the light emitter 3100 can be controlled in the process of rotating the control knob 3700.

Further, in some embodiments of the present utility model, the display device 3000 further includes a control circuit (not shown in the drawings), and the control knob 3700 can trigger the control circuit, that is, by rotating the control knob 3700, the control circuit changes, and when the control circuit changes, the number of turned-on light 3100 changes.

For example, the description will be made taking the case where the control knob 3700 is turned to adjust the heat power of the household electric appliance, and the clockwise rotation is the heat power of the household electric appliance, and the counterclockwise rotation is the heat power of the household electric appliance. When the control knob 3700 is rotated clockwise, the control circuit changes so that the light emitter 3100 is turned on, the larger the degree of clockwise rotation of the control knob 3700 is, the more the light emitter 3100 is turned on, otherwise, when the control knob 3700 is rotated anticlockwise, the control circuit also changes so that the light emitter 3100 is turned off, the larger the degree of anticlockwise rotation of the control knob 3700 is, the more the light emitter 3100 is turned off, and therefore the current fire intensity is visually displayed through the number of the light emitter 3100.

The utility model also discloses a household appliance, which is shown in fig. 1, wherein the household appliance can be an oven range, the oven range comprises an oven 2000 and a kitchen range 1000, the display device 3000 can control and display the operation of the oven 2000, and also can control and display the operation of the kitchen range 1000, and it is understood that the household appliance can also be other types of household appliances. The household appliance in this embodiment includes the display device 3000 in the foregoing embodiment, so at least the beneficial effects brought by the technical solutions in the foregoing embodiments are not repeated here.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A display device, comprising:

2. The display device of claim 1, wherein the light barrier is injection molded over the light guide.

3. The display device according to claim 1, further comprising a middle frame, wherein the middle frame is provided with a light channel, the light emitter extends into the light channel, and the first light guide portion is disposed corresponding to the light channel.

4. The display device according to claim 3, wherein the light guide further comprises a connection portion, and the first light guide is provided at the connection portion;

5. The display device according to claim 4, wherein the connection portion constitutes a second light guide portion, the connection portion covers the light channel, and the first light guide portion is provided in correspondence with the light channel through the connection portion.

6. The display device according to claim 4, wherein the light guide member is provided with a first positioning portion, the middle frame or the panel is provided with a second positioning portion, and the first positioning portion and the second positioning portion are cooperatively connected.

7. The display device of claim 4, wherein the panel and the middle frame are adhesively secured.

8. The display device of claim 1, further comprising a control knob, wherein the light guide is hollow and annular, and wherein the control knob is disposed through the light guide.

9. The display device of claim 8, further comprising a control circuit, wherein the control knob is adapted to trigger the control circuit, and wherein the number of lights turned on is adapted to vary in response to rotation of the control knob.

10. A household appliance, characterized in that it comprises a display device according to any one of claims 1 to 9.