CN114076433A

CN114076433A - Refrigerator with a door

Info

Publication number: CN114076433A
Application number: CN202010822469.9A
Authority: CN
Inventors: 倪梁; 刘忠强; 王卫庆; 孔令磊
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2022-02-22
Anticipated expiration: 2040-08-17
Also published as: CN114076433B

Abstract

The invention discloses a refrigerator which comprises an identification unit and a rotating device, wherein the rotating device comprises a sun wheel fixed on a refrigerator body, a planet wheel rotationally connected to a door body and a transmission belt wound on the sun wheel and the planet wheel, the axes of the sun wheel and the planet wheel are parallel to the axis of the door body in rotation, the identification unit and the planet wheel are relatively and fixedly arranged, and the identification unit comprises an information acquisition end; when the door body was opened, the relative sun star wheel revolution of planet wheel rotation in the same time, the inboard rotation of the information acquisition end orientation door body, the drive belt is rotatory around the sun star wheel, the planet wheel rotates along with the rotation of drive belt, it is rotatory to further drive the recognition unit to the realization recognition unit also can rotate together when rotating the refrigerator door body, and then can discern towards the user, discernment is more accurate, and user uses and experiences, accords with the demand of intelligent house.

Description

Refrigerator with a door

Technical Field

The invention relates to the field of refrigeration equipment, in particular to a refrigerator.

Background

Some intelligent refrigerators have a voice interaction function, and such intelligent refrigerators have a microphone, so that when the microphone faces the direction of a user, the obtained voice information is clearer, the content of voice interaction is more accurate, and therefore, during voice interaction, the interaction effect on the microphone is better.

Carry out voice interaction including two kinds of scenes with the refrigerator, be the voice interaction when the refrigerator door closes and the refrigerator door is opened respectively, the microphone generally sets up on a body surface, and when the refrigerator door was closed like this, the speech information of user's speaking in the refrigerator the place ahead can be picked up by the microphone better, but when the refrigerator door was opened, the refrigerator door was towards keeping away from user's one side, can not accept clear speech information. When microphones are provided at a plurality of positions in a refrigerator, problems such as an increase in the cost of the microphones and a circuit design are involved. So current refrigerator cost increase when setting up two microphones, speech recognition is inaccurate when setting up a microphone, and user's interactive experience is not good, can not satisfy the demand of intelligent refrigerator.

Disclosure of Invention

In order to solve the problems in the prior art, the invention aims to provide a refrigerator with a single microphone and accurate voice recognition.

In order to achieve the above object, an embodiment of the present invention provides a refrigerator, including a refrigerator body and a door body rotationally connected to the refrigerator body, the refrigerator further including an identification unit and a rotation device, where the rotation device includes a sun wheel fixed to the refrigerator body, a planet wheel rotationally connected to the door body, and a transmission belt wound around the sun wheel and the planet wheel, axes of the sun wheel and the planet wheel are parallel to an axis of rotation of the door body, the identification unit is fixed relative to the planet wheel, and the identification unit includes an information acquisition end;

when the door body is opened, the planet wheel rotates relative to the sun wheel while revolving, and the information acquisition end rotates towards the inner side of the door body.

As a further improvement of the invention, the door body comprises a through hole, the through hole is communicated with the inner side and the outer side of the door body at the same time, and the identification unit is arranged in the through hole.

As a further improvement of the present invention, the box body includes a refrigeration space having an opening, the door body includes a sealing strip disposed opposite to the box body, the sealing strip is disposed around an outer side of the opening, and the through hole is disposed on an outer side of the sealing strip.

As a further improvement of the invention, an accommodating cavity for accommodating the sun wheel is arranged between the door body and the box body, the door body comprises an accommodating cavity for accommodating the planet wheel and a transmission cavity for accommodating the transmission belt, the accommodating cavity is communicated with the through hole, and the transmission cavity is simultaneously communicated with the accommodating cavity and the accommodating cavity.

As a further improvement of the invention, the top of the door body is provided with the transmission cavity, the accommodating cavity and the through hole, the transmission cavity is arranged along the width direction of the door body, and an electric wire electrically connected with the identification unit is arranged in the transmission cavity.

As a further development of the invention, the sun wheel and the planet wheels are both provided as pulleys and the drive belt is provided as a belt.

As a further improvement of the invention, the axle center of the sun wheel is superposed with the axle center of the rotation of the door body, and the radius of the sun wheel is larger than that of the planet wheel.

As a further improvement of the present invention, the width of the door is the same as the width of the casing, the identification unit is disposed at a middle position in the width direction of the door, the radius of the sun gear is r1, the radius of the planet gear is r2, and r1 is (1.4-1.5) r 2.

As a further improvement of the invention, the refrigerator is a side-by-side combination refrigerator, the door body comprises a left door body and a right door body, the identification unit is arranged at the middle position of the left door body or the right door body in the width direction, the radius of the sun wheel is r1, the radius of the planet wheel is r2, and r1 is (1.3-1.4) r 2.

As a further improvement of the present invention, when the door body is closed, the information acquisition end faces the outside of the door body.

As a further development of the invention, the identification unit is provided as a microphone.

Compared with the prior art, the invention has the following beneficial effects: when the refrigerator door body is rotatory, the drive belt is rotatory around the sun wheel, the planet wheel rotates along with the rotation of drive belt, it is rotatory to further drive the recognition unit, the in-process recognition unit that the door body was opened is also rotatory in step promptly, when the surface orientation of the refrigerator door body kept away from user's one side, the recognition unit rotates to one side towards the user, thereby realize that the homoenergetic discerns towards the user when the door body is opened or is closed, user uses and experiences well, accords with the demand of intelligent house.

Drawings

FIG. 1 is a schematic structural diagram of a refrigerator according to embodiment 1 of the present invention, in which a door is opened;

FIG. 2 is a plan view showing the position of a door body in accordance with embodiment 1 of the present invention;

FIG. 3 is a plan view of the refrigerator according to embodiment 1 of the present invention with the door closed;

FIG. 4 is a plan view of the refrigerator according to embodiment 1 of the present invention with the door opened;

fig. 5 is an experimental measurement diagram of the rotation alpha of the door body and the rotation radian beta of the identification unit in embodiment 1 of the present invention;

FIG. 6 is a plan view of the refrigerator according to embodiment 2 of the present invention with the door closed;

FIG. 7 is a top view of the refrigerator according to embodiment 2 of the present invention with the door open;

fig. 8 is an experimental measurement diagram of the rotation radian α of the door body and the rotation radian β of the identification unit in embodiment 2 of the present invention;

wherein, 1, a box body; 11. an opening; 2. a door body; 21. a through hole; 22. a transmission cavity; 23. a sealing strip; 3. a sun wheel; 4. a planet wheel; 5. a transmission belt; 6. an identification unit; 61. an electric wire.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.

It will be understood that terms used herein such as "upper," "above," "lower," "below," and the like, refer to relative positions in space and are used for convenience in description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

An embodiment of the invention provides a refrigerator, wherein an identification unit 6 of the refrigerator can rotate along with the rotation of a refrigerator door body 2, so that after the door body 2 rotates for a certain angle, the identification unit 6 on the door body 2 still faces a user, the identification result is more accurate, and the user experience is better.

Example 1

The refrigerator comprises a refrigerator body 1, a door body 2 rotatably connected with the refrigerator body, and an identification unit 6, wherein as shown in fig. 1, the door body 2 has a closing position for closing the refrigerator body 1 and an opening position far away from the refrigerator body 1. Door body 2 is opened or is closed with the pivoted form, sets up the refrigeration space in the box 1, and the refrigerator door seals the refrigeration space, and the refrigerator is vertically put subaerial, and the refrigerator door body 2 rotates on the horizontal direction, can connect through the pivot between the refrigerator door body 2 and the box 1, sets up the recognition cell 6 that is used for discerning user's information on the door body 2, and recognition cell 6 is used for acquireing user's speech information, perhaps user's picture, the information of action etc.

In this embodiment, the direction opposite to the door 2 of the refrigerator is defined as front, the opposite direction is defined as back, correspondingly, the door 2 of the refrigerator is disposed in front of the refrigerator body 1, the two sides perpendicular to the front-back direction on the horizontal plane are respectively defined as left and right, the front-back direction can also be defined as the depth direction of the refrigerator, the direction perpendicular to the horizontal plane is defined as up-down direction, and when the refrigerator is placed on the horizontal plane in the sense of physics, the up-down direction is parallel to the gravity direction. When the door body 2 is closed, namely the door body 2 closes the position of the refrigeration space, and when the door body 2 is opened, the door body 2 is rotated around the rotating shaft to open, as shown in fig. 1, the inner side of the door body 2 is the side of the refrigeration space, which is opposite to the door body 2, when the door body 2 is closed, and is the side of the door liner of the refrigerator; the outer side of the door body 2 is the side of the outer side of the front side of the door body 2 opposite to the door body 2 when the door body 2 is closed, and is the side of the decorative panel of the refrigerator opposite to the door body 2.

The refrigerator still includes rotating device, and rotating device includes sun wheel 3, planet wheel 4, drive belt 5, and sun wheel 3 fixed connection is in box 1, that is to say when door body 2 rotates round box 1, and sun wheel 3 can not move all the time, and planet wheel 4 rotates and connects in door body 2, and door body 2 is when rotating around box 1 promptly, and planet wheel 4 can have the rotation of oneself, and planet wheel 4 can rotate on door body 2 promptly. When the door body 2 rotated around the pivot, planet wheel 4 rotated around box 1 along with door body 2 together, drive belt 5 was around locating sun wheel 3 and planet wheel 4 simultaneously, when sun wheel 3 stood, door body 2 rotated around box 1 when, because the one end of drive belt 5 stood, the other end rotated, so drive belt 5 can produce the rotation, drive belt 5 pivoted in-process, drive planet wheel 4 and rotate on door body 2, planet wheel 4 possesses the revolution around box 1 pivoted simultaneously promptly, and around its axis pivoted rotation on door body 2, because planet wheel 4 and recognition cell 6 relatively fixed, recognition cell 6 rotates along with planet wheel 4 promptly. When the door body 2 is opened, the planetary gears 4 revolve while rotating with respect to the sun gear 3.

The identification unit 6 includes an information acquisition terminal, which may be an audio receiving opening 11 or an eyepiece, for acquiring information required by the identification unit 6. In the process of the outward opening of the door body 2, the transmission belt 5 rotates outward relative to the sun wheel 3, so that, relatively, the sun wheel 3 rotates inward relative to the transmission belt 5 (the sun wheel 3 does not move relative to the box body 1, and here, the rotation is relative to the rotation of the transmission belt 5), and the directions of rotation of the sun wheel 3 and the planet wheels 4 arranged on the same transmission belt 5 are the same, so that the planet wheels 4 also rotate inward at the moment, that is, the information acquisition end of the identification unit 6 fixed relative to the planet wheels 4 rotates toward the inner side of the door body 2.

When the door body 2 is in the closed position, the planet wheel 4 is static, and the information acquisition end of the identification unit 6 faces the front of the refrigerator, namely the direction facing the user, the information of the user can be conveniently received, the planet wheel 4 generates autorotation in the process of opening the door body 2, meanwhile, the identification unit 6 is driven to rotate, and by controlling the diameter size relation of the sun wheel 3 and the planet wheel 4, the rotation speed of the planet wheel 4 can be controlled, so that when the door body 2 is opened to a certain angle, the direction of the identification unit 6 driven by the planet wheel 4 is changed, for example, the direction is opposite to the initial direction, and the direction is toward the door liner of the door body 2, at this time, since the refrigerator door is opened, the user operates the inside of the refrigerating space of the refrigerator, the direction of the door liner, which is toward the user, of the identification unit 6, the information of the user can be directly received by the identification unit 6, and the problem of difficult information reception caused by back facing the user is avoided.

The recognition unit 6 may be configured as a microphone for receiving a voice signal of a user, or may be configured as a camera or other device for shooting a user, video recording an operation process of the user, or face recognition of the user, or the like.

Further, the door body 2 comprises a through hole 21, the through hole 21 simultaneously communicates one side of the door body 2 away from the box body 1 with one side of the door body 2 facing the box body 1, the identification unit 6 is arranged in the through hole 21, and the identification unit 6 rotates in the through hole 21 and faces the front or the back of the door body 2.

Furthermore, as shown in fig. 1, the refrigerating space has an opening 11 for placing articles, the door 2 includes a sealing strip 23 disposed opposite to the cabinet 1, the sealing strip 23 is disposed around the outside of the opening 11, that is, the sealing strip 23 is annular and disposed around the opening 11, the opening 11 is disposed inside the sealing strip 23, so that when the door 2 is closed with the cabinet 1, the cool air in the refrigerating space cannot escape under the restriction of the sealing strip 23, the through hole 21 is disposed outside the sealing strip 23, and when the door 2 is closed, the cool air in the refrigerating space cannot contact with the through hole 21 outside the sealing strip 23, that is, although the through hole 21 is disposed on the door 2, the cold insulation effect is ensured.

Set up the holding chamber of holding sun wheel 3 between door body 2 and the box 1, this holding chamber can set up the space of stepping down to sun wheel 3 on box 1 or door body 2, also can be door body 2 and box 1 go up and set up the holding chamber that this space of stepping down that is used for placing sun wheel 3 formed simultaneously, and this holding chamber can set up and locate around box 1 pivoted pivot position at door body 2. The door body 2 includes the chamber that holds of holding planet wheel 4 and the transmission chamber 22 of holding drive belt 5, holds chamber intercommunication through-hole 21, and transmission chamber 22 communicates simultaneously and holds chamber and holding chamber. The accommodating cavity and the through hole 21 can be divided into two separate spaces, so that when the identification unit 6 rotates in the through hole 21, the planet wheels 4 cannot be seen, the two rotate synchronously only through one shaft, and the through hole 21 and the accommodating cavity can be combined together, namely, the transmission cavity 22 is directly communicated with the through hole 21.

Further, foretell transmission chamber 22, hold chamber and through-hole 21 and set up in the top of the door body 2, top at the door body 2 sets up transmission chamber 22 along its width direction, the electric wire 61 of being connected with the recognition cell 6 electricity sets up in transmission chamber 22, after the casing and the door liner of the door body 2 are connected well like this, formed this transmission chamber 22 promptly, this transmission chamber 22 set up the foaming that does not influence the inside of the door body 2, the apron can be covered to transmission chamber 22 top, and the position consumer at door body 2 top is also difficult for seeing, do not influence holistic pleasing to the eye effect. Correspondingly, the sun wheel 3 and the planet wheels 4 are also arranged at the top of the refrigerator.

Like this, set up foretell identification element 6 at the refrigerator top on the basis of not influencing the leakproofness of refrigerator, the foaming of refrigerator door body 2, and be convenient for identification element 6 winding displacement on door body 2, ensured the performance of refrigerator on the basis of realizing that identification element 6 is rotatory, and little to the structural change of current refrigerator, low in production cost.

In this embodiment, sun wheel 3 and planet wheel 4 all set up to the belt pulley, and drive belt 5 sets up to the belt, adopts belt drive's mode to realize the transmission promptly, and in addition, drive belt 5 also can set up to the hold-in range, and the hold-in range sets up the tooth towards one side of wheel, also sets up the tooth on sun wheel 3 and the planet wheel 4 to the guarantee can not skid, and the transmission displacement is accurate. In addition, the transmission belt 5 can be a chain, the sun wheel 3 and the planet wheel 4 can be chain wheels, and the transmission can be carried out in a chain transmission mode.

Further, the axle center of the sun wheel 3 coincides with the axle center of the rotation of the door body 2, so that the operation of the door body 2 and the rotation of the planet wheel 4 are synchronous, the operation track is controllable and convenient to design, and the specific parameters of all parts are easy to calculate.

In addition, the sun wheel 3 has a larger radius than the planet wheels 4, as shown in fig. 2. Generally, when a user opens the door body 2, the door body 2 generally rotates by more than 90 degrees, and the initial position of the identification unit 6 is set to face the front, it can be understood that when the radius of the sun wheel 3 is consistent with the radius of the planet wheel 4, and the door body 2 rotates by 90 degrees, the identification unit 6 faces the front, but the front of the identification unit 6 is the width direction of the door body 2 and is shielded by the door body 2; when the radius of the sun wheel 3 is larger than the radius of the planet wheel 4, the rotation angle of the planet wheel 4 is larger than 90 degrees, i.e. the identification unit 6 faces the other side opposite to the original direction, and faces the side where the user is, as shown in fig. 4.

In this embodiment, the door bodies 2 are configured as a refrigerator with a single-side door, as shown in fig. 3 or fig. 4, that is, a plurality of door bodies 2 of the refrigerator can be opened only in one side direction. The width of the door body 2 of the refrigerator is the same as that of the refrigerator body 1, and the identification unit 6 is arranged at the middle position of the width direction of the door body 2, so that when a user stands right in front of the refrigerator, the user is positioned right opposite to the identification unit 6, and the information of the user can be conveniently received.

The width of the refrigerator door body 2 is set as W, the distance between the recognition unit 6 and the rotating shaft is set as L, radian is taken as a measuring unit of an angle, the distance from a user to the opening 11 of the refrigerator is set as d, when the refrigerator door body 2 is opened, the radian of the door body 2 is set as alpha, the radian of the recognition unit 6 rotated at the moment is set as beta, in the embodiment, the distance is set as 80cm, the distance is set as 60cm, the distance is set as 40cm, the distance is set as 60cm, the door body is opened, the experimental data of alpha and beta is plotted in fig. 5, the radian of the rotation beta of the recognition unit 6 and the rotation radian alpha of the door body 2 are approximately linearly related, the linear relation is shown in fig. 5, the ratio range of beta/alpha is 1.4-1.5, and the linear relation is preferably fitted as 1.4288 alpha. The linear speeds of rotation of the sun wheel 3 and the planet wheels 4 are the same with respect to the belt 5 (the rotation of the sun wheel 3 is the rotation of the belt 5 as a stationary reference), so the ratio of the rotational radians of the sun wheel 3 and the planet wheels 4 is in inverse proportion to the ratio of the radii of the sun wheel 3 and the planet wheels 4, the radius of the sun wheel 3 is set to r1, the radius of the planet wheels 4 is set to r2, that is, β/α is r1/r2, correspondingly, the relationship of the radii of the sun wheel 3 and the planet wheels 4 is set to r1 (1.4-1.5) r2, preferably, r1 is 1.4288r2, that is, the required corresponding relationship between the rotational angle of the door body 2 and the rotational angle of the identification unit 6 can be obtained.

The specific values are estimated according to the W, d and L values and fitting data of a person standing right in the middle of the front side of the refrigerator are set, and according to experimental detection, when the values change and the person stands at other positions, the specific values of r1 and r2 can deviate to a certain extent, and according to the current empirical values, the effect of r1 being (1.4-1.5) r2 is better for the refrigerator with a single door.

Compared with the prior art, the embodiment has the following beneficial effects:

when the refrigerator door body 2 is rotatory, drive belt 5 is rotatory around sun wheel 3, planet wheel 4 rotates along with the rotation of drive belt 5, it is rotatory to further drive recognition unit 6, the in-process recognition unit 6 that the door body 2 was opened is also rotatory in step promptly, when the surface orientation of the refrigerator door body 2 kept away from user's one side, recognition unit 6 rotates to the one side towards the user, thereby realize opening the position and closing the position homoenergetic and discerning towards the user, discernment is more accurate, user uses and experiences, accord with the demand of intelligent house.

Example 2

What is different from embodiment 1 is that the refrigerator of this embodiment is configured as a side-by-side refrigerator, as shown in fig. 5 and 6, the door body 2 includes a left door body and a right door body, and the identification unit 6 is disposed on any one of the left door body or the right door body 2 and is disposed at a middle position in a width direction of the door body 2.

Setting the width of the refrigerator door body 2 as W, the distance between the identification unit 6 and the rotating shaft as L, the distance between a user and the opening 11 of the refrigerator as d, when the refrigerator door body 2 is opened, the radian of the door body 2 is alpha, the radian of the identification unit 6 is beta at the moment, the distance is set as 80cm, the distance is set as 60cm, the distance is set as 20cm, the refrigerator door is opened to measure experimental data and preferably fit the radians of alpha and beta on the assumption that the user stands at the middle position of the front side of the refrigerator, as shown in FIG. 7, the radian beta of the identification unit 6 is approximately linearly related to the radian of the door body 2, the ratio of beta/alpha is in the range of 1.3-1.4, and the linear relation is preferably fitted as beta-1.3451 alpha. The radius of the sun wheel 3 is set to r1, the radius of the planet wheel 4 is set to r2, and according to the above discussion, the relationship between the radii of the sun wheel 3 and the planet wheel 4 is set to r1 (1.3 to 1.4) r2, and preferably r1 (1.3451 r 2), so that the required correspondence relationship between the rotation angle of the door body 2 and the rotation angle of the identification unit 6 can be obtained.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. A refrigerator comprises a refrigerator body and a door body rotationally connected with the refrigerator body, and is characterized by further comprising an identification unit and a rotating device, wherein the rotating device comprises a sun wheel fixed on the refrigerator body, a planet wheel rotationally connected with the door body, and a transmission belt wound on the sun wheel and the planet wheel;

2. The refrigerator according to claim 1, wherein the door body includes a through hole communicating both an inner side and an outer side of the door body, and the recognition unit is provided in the through hole.

3. The refrigerator according to claim 2, wherein the cabinet includes a refrigerating space having an opening, the door includes a sealing strip disposed opposite to the cabinet, the sealing strip is disposed around an outer side of the opening, and the through hole is disposed on an outer side of the sealing strip.

4. The refrigerator according to claim 2, wherein an accommodating cavity for accommodating the sun gear is arranged between the door body and the refrigerator body, the door body comprises an accommodating cavity for accommodating the planet gear and a transmission cavity for accommodating the transmission belt, the accommodating cavity is communicated with the through hole, and the transmission cavity is communicated with the accommodating cavity and the accommodating cavity at the same time.

5. The refrigerator according to claim 4, wherein the transmission cavity, the accommodating cavity and the through hole are formed in the top of the door body, the transmission cavity is arranged along the width direction of the door body, and an electric wire electrically connected with the identification unit is arranged in the transmission cavity.

6. The refrigerator of claim 1, wherein the sun and the planet are both configured as pulleys and the drive belt is configured as a belt.

7. The refrigerator according to claim 1, wherein the axis of the sun wheel coincides with the axis of rotation of the door body, and the radius of the sun wheel is larger than that of the planet wheel.

8. The refrigerator according to claim 1, wherein the width of the door body is the same as the width of the refrigerator body, the identification unit is disposed at a middle position in the width direction of the door body, the radius of the sun wheel is r1, the radius of the planet wheel is r2, and r1 is (1.4-1.5) r 2.

9. The refrigerator according to claim 1, wherein the refrigerator is a side-by-side refrigerator, the door bodies comprise a left door body and a right door body, the identification unit is arranged in the middle of the left door body or the right door body in the width direction, the sun gear has a radius of r1, and the planet gear has a radius of r2, r1 is (1.3-1.4) r 2.

10. The refrigerator according to claim 1, wherein the information acquisition end faces an outside of the door body when the door body is closed.

11. The refrigerator according to claim 1, wherein the recognition unit is provided as a microphone.