CN112629140B

CN112629140B - Refrigerator with a door

Info

Publication number: CN112629140B
Application number: CN201910954615.0A
Authority: CN
Inventors: 赵坤坤; 李鹏; 王海娟
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: 2019-10-09
Filing date: 2019-10-09
Publication date: 2022-07-26
Anticipated expiration: 2039-10-09
Also published as: CN112629140A

Abstract

The application provides a refrigerator, which comprises a refrigerator body, a door body and a lighting system, wherein the lighting system comprises a plurality of lamps and a switch assembly in communication connection with the lamps, and the switch assembly comprises a mechanical switch, a trigger piece for triggering the mechanical switch and a driving mechanism for driving the trigger piece to move towards or back to the mechanical switch; the mechanical switch is located at any end of the movement direction of the trigger piece, and when the door body is opened relative to the box body, the driving mechanism drives the trigger piece to move towards or back to the mechanical switch so as to trigger the mechanical switch. The switch component of the refrigerator controls the working state of each lamp according to the opening angle of the door body; so that different lamps are lighted at different door opening angles, thereby adjusting the brightness and the illumination area.

Description

Refrigerator with a door

Technical Field

The application relates to the field of household appliances, in particular to a refrigerator capable of controlling a lighting area of a lamp bank along with a door opening angle.

Background

In the existing refrigerator, a lamp in a refrigerating chamber is usually controlled by a spring mechanical structure or an electromagnetic induction device, and the lamp is turned on when a refrigerator door is opened to a certain angle; when the refrigerator door is closed to a certain angle, the lamp is closed. The lamp control mode has lower switch cost, but the lighting mode is single, and the adjustment can not be carried out by combining the door opening angle and the corresponding object taking requirement.

In view of the above, it is desirable to provide a refrigerator to solve the above technical problems.

Disclosure of Invention

An object of the application is to provide a refrigerator that can be along with the angle control lamp illumination area that opens the door.

In order to achieve the purpose of the application, the following technical scheme is adopted in the application:

a refrigerator comprises a refrigerator body, a door body and an illumination system, wherein the illumination system comprises: the refrigerator door opening angle detection device comprises a plurality of lamps and a switch assembly in communication connection with the lamps, wherein the switch assembly comprises a detection assembly for measuring the opening angle of a refrigerator door body and a controller for controlling the working state of each lamp according to the opening angle of the refrigerator door body; the detection assembly comprises a fixed part, a moving part arranged opposite to the fixed part, a distance sensor arranged on the fixed part or the moving part, and a driving mechanism for driving the moving part to face or back to the fixed part, wherein the distance sensor is in communication connection with the controller, and when the door body is opened relative to the box body, the driving mechanism drives the moving part to face or back to the fixed part.

The beneficial effect of this application is: according to the refrigerator, the working state of each lamp is controlled according to the opening angle of the door body through the switch assembly; so that different lamps are lighted at different door opening angles, thereby adjusting the brightness and the illumination area.

Drawings

Fig. 1 is a schematic structural diagram of a refrigerator in a preferred embodiment of the present application;

FIG. 2 is a schematic view of the refrigerator of FIG. 1 with the drawer removed;

FIG. 3 is a partially exploded view of FIG. 1;

FIG. 4 is a schematic view of a switch assembly and a hinge assembly coupled together in the refrigerator of FIG. 1;

FIG. 5 is a partially exploded view of FIG. 4;

FIG. 6 is a schematic diagram of a portion of a switch assembly of the present application;

FIG. 7 is a cross-sectional view taken along line A-A' of FIG. 6;

fig. 8 is a partially exploded view of fig. 6.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The present application will now be described in detail with reference to specific embodiments thereof as illustrated in the accompanying drawings. These embodiments are not intended to limit the present application, 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 application.

In the various illustrations of the present application, certain dimensions of structures or portions may be exaggerated relative to other structures or portions for ease of illustration and, thus, are merely used to illustrate the basic structure of the subject matter of the present application.

Referring to fig. 1 to 8, a refrigerator 100 according to a preferred embodiment of the present invention includes a refrigerator body 1, a door 2, a hinge assembly 3 pivotally connecting the refrigerator body 1 and the door 2, and a lighting system 4.

The hinge assembly 3 comprises a hinge seat 31 with a shaft hole 311, and a hinge shaft 32 pivoted relative to the hinge seat 31 in the shaft hole 311, wherein the hinge seat 31 is fixed on the box body 1, the hinge shaft 32 is fixed with the door body 2, and the hinge shaft 32 rotates in the shaft hole 311 in the opening or closing process of the door body.

In one embodiment, the hinge shaft 32 is a hollow tube, and necessary functional elements can be placed in the inner space, so that the space utilization rate is improved, and grooves can be prevented from being formed in the inner container of the box body 1.

Further, the hinge assembly 3 further includes a hinge cover 33 covering the hinge seat 31 to shield the hinge seat 31 and the hinge shaft 32, thereby achieving the protection and beauty effects.

Referring to fig. 1 to 3, the lighting system 4 includes a plurality of lamps 41, and a switch assembly 42 communicatively connected to each of the plurality of lamps 41. The switch assembly 42 lights different lamps 41 at different door opening angles, thereby adjusting the brightness and illumination area.

It will be understood by those skilled in the art that "different lamps 41" includes different positions of the lamps 41 and/or different numbers of lamps 41. Specifically, several lamps 41 may be located in the same storage area of the refrigerator 100, and the number of the lamps 41 may be controlled to be different according to the opening angle of the door 2, so as to adjust the brightness of the storage area. Alternatively, the plurality of lamps 41 may be separately disposed in different storage areas of the refrigerator 100, and the lamps 41 in the different storage areas may be controlled to be turned on according to different opening angles of the door 2, that is, different storage areas may be turned on.

In a specific embodiment, the box body 1 comprises a shelf area and a drawer area positioned at the bottom of the shelf area, and the door body 2 comprises a bottle seat area; the plurality of lamps 41 include a bottle seat lamp 411 positioned at a bottle seat area to illuminate the bottle seat, a shelf lamp 412 positioned at a shelf area to illuminate the shelf, and a drawer lamp 413 positioned at a drawer area to illuminate the drawer.

Referring to fig. 4 to 8, the switch assembly includes a mechanical switch 421, a trigger 422 for triggering the mechanical switch 421, and a driving mechanism 423 for driving the trigger 422 to move toward or away from the mechanical switch 421. The mechanical switch 421 and the trigger 422 are arranged such that the mechanical switch 421 is located at any end of the movement direction of the trigger 422, and when the opening angle of the door body 2 relative to the cabinet 1 is different, the driving mechanism 423 drives the trigger 422 to move towards or away from the mechanical switch 421 for different distances so as to trigger the switch 421 and make it in different gears, thereby controlling different lamps 41 to be turned on. The orientation or the back direction herein indicates the direction of movement, and does not emphasize whether the two are in contact, for example, when the trigger 422 faces away from the mechanical switch 421, the trigger 422 may always be in contact with the mechanical switch 421.

The mechanical switch 421 includes a switch seat 4211, a contact rod 4212 moving relative to the switch seat 4211 and making part of the structure protrude into the switch seat 4211, and an elastic member connected between the switch seat 4211 and the contact rod 4212 and always providing a force to the contact rod 4212, the force being opposite to the switch seat 4211, wherein the elastic member makes the portion of the contact rod 4212 exposed out of the switch seat 4211 longest in the absence of external force. According to the length of the touch rod 4212 which is pressed to extend into the switch seat 4211, the mechanical switch 421 includes at least two gears, and when the mechanical switch is not triggered and triggered by different gears, all the lamps 41 are in the off state, some of the lamps 41 are in the off state, other some of the lamps 41 are in the on state, all the lamps 41 are in the on state, and the brightness of the same area or different areas in the refrigerator 100 can be adjusted. Specifically, the length of the contact rod 4212 extending into the switch seat 4211 is different in different gears.

Referring to fig. 4 to 8, in some embodiments, the mechanical switch 421 is located above or below the hinge shaft 32, the trigger 422 is located in the hinge shaft 32, and when the trigger 422 moves up and down in the hinge shaft 32, the mechanical switch 421 is triggered and is in different positions.

The driving mechanism 423 includes a protrusion 4231 disposed on one of the hinge shaft 32 and the trigger 422 and a groove 4232 disposed on the other for receiving the protrusion 4231, a pulley 4233 fixed on the upper portion of the trigger 422 and located outside the hinge shaft 32, a support 4234 extending along the outer circumference of the hinge shaft 32 and disposed on the hinge seat 31 for supporting the pulley 4233, a force applying piece 4235 fixed at the bottom end of the trigger 422, and a spring 4236 sleeved on the trigger 221 and in a compressed state. The boss 4231 and the slot 4232 both extend along the length direction of the hinge shaft 32, i.e., up and down direction, and the length of the boss 4231 is smaller than that of the slot 4232, or the slot 4232 penetrates the hinge shaft 32 along the length direction, so that the trigger 422 can move up and down in the hinge shaft 32; the supporting body 4234 has a supporting surface at the top end thereof, and the supporting surface has different distances from the hinge seat 31 at different positions; the top end of the spring 4236 is fixed or propped against the hinge shaft 32, and the bottom end of the spring 4236 is connected or propped against the force application sheet 4235.

As shown in fig. 7 or fig. 8, the hinge shaft 32 has a boss 321 therein, and the top end of the spring 4236 abuts against or is connected to the boss 321; the hinge shaft 32 has a first shaft section 321, a second shaft section 322 located above the first shaft section 321, the inner diameter of the first shaft section 321 is greater than that of the second shaft section 322, and the joint of the first shaft section 321 and the second shaft section 322 forms the boss 323; or the projection 323 may be formed to protrude inward from the inner wall of the hinge shaft 32.

The support 4234 applies an upward force to the pulley 4233, preventing the trigger 422 from moving downward; the spring 4236 in a compressed state always gives a downward driving force to the force application plate 4235, so that the pulley 4233 is always kept on the support 4234, and meanwhile, the force application plate 4235 can also limit the upward moving distance of the trigger 422, and the height of the trigger 422 is different when the pulley 4233 is located at different positions of the support surface. The protrusion 4231 is matched with the groove 4232, so that the trigger 422 can be prevented from rotating along the circumferential direction relative to the hinge shaft 32, when the hinge shaft 32 rotates along with the opening and closing of the door body 2, the hinge shaft 32 drives the trigger 422 to synchronously rotate, the pulley 4233 moves to different positions along the supporting surface, and the trigger 422 moves upwards or downwards under the action force of the spring 4236 and the supporting force of the supporting body 4234 on the pulley 4233.

Preferably, the height of the supporting surface is gradually reduced along the rotation direction of the hinge shaft 32 during the opening process of the door body 2, that is, the height of the supporting body 4234 is gradually reduced; therefore, in the opening process of the door body 2, the trigger 422 gradually moves downwards; therefore, the mechanical switch 421 is triggered and is in different gear positions, and the trigger gear position of the mechanical switch 421 corresponds to the opening angle of the door body 2. And vice versa.

In the embodiment shown in fig. 4 to 8, the trigger 422 is located inside the hinge shaft 32, and the mechanical switch 421 is located below the hinge shaft 32, for example, the mechanical switch 421 is disposed inside the door 2. When the door body 2 is in a closed state, a gap is formed between the trigger 422 and the contact rod 4212 of the mechanical switch 421, and the mechanical switch 421 is not triggered; when the opening angle of the door body 2 is within the first angle range, the driving mechanism 423 drives the trigger 422 to move towards the mechanical switch 421, and presses the contact rod 4212 to enable the mechanical switch 421 to be in the first gear, and the partial lamp 41 is turned on; when the door body is opened continuously to the second angle range, the trigger 422 moves continuously towards the mechanical switch 422 and is in the second gear, and all the lamps 41 are on. Or, when the door body 2 is in the closed state, the trigger 422 is in contact with the contact rod 4212 of the mechanical switch 421, and a portion of the contact rod 4212 extending into the switch seat 4211 reaches a maximum value, the mechanical switch 421 is not triggered, and all the lamps 41 are in the closed state; when the opening angle of the door body 2 is within the first angle range, the trigger 422 moves away from the mechanical switch 421, the contact rod 4212 moves outwards under the action of the elastic member, and when the mechanical switch 421 is in the first gear, the partial lamps 41 are turned on; when the opening angle of the door body 2 is within the second angle range, the trigger 422 continuously moves away from the mechanical switch 422 and is separated from the mechanical switch 421, and when the mechanical switch 421 is in the second gear, all the lamps 41 are turned on.

Alternatively, the mechanical switch 421 is located above the hinge shaft 32, for example, fixed in the hinge cover 33; the trigger 422 is positioned within the hinge shaft 32; the trigger mode can be referred to the above description symmetrically, and thus the description is omitted.

Further, the second angle range comprises a first sub-range and a second sub-range, and if the door opening angle is within the first sub-range, the first part of the lamps are controlled to be on; if the angle of opening the door is located the second subrange when, control second part lamp is bright, at least part the second part lamp with first part lamp is located the different thing region of getting, can cooperate the thing custom adaptability in getting the thing district more to turn on lamp 41, and illuminating effect is good, and avoids whole lamps 41 to open simultaneously, practices thrift the power consumption.

In a specific embodiment, when the opening angle of the door 2 is smaller than 30 degrees, the mechanical switch 421 is not triggered to control all the lamps 41 to be turned off; when the door body 2 is opened by 30-60 degrees, the mechanical switch 421 is in a first gear, and controls the door body lamp 411 to be on, and the shelf lamp 412 and the drawer lamp 413 to be off; when the door body 2 is opened by 60-90 degrees, the mechanical switch 422 is in a second gear, the door body lamp 411 and the shelf lamp 412 are controlled to be turned on, and the drawer lamp 413 is controlled to be turned off; when the door body 2 is opened to 90 degrees, the mechanical switch 422 is in a third gear, and the door body lamp 411, the shelf lamp 412 and the drawer lamp 413 are controlled to be on; the habit of fetching articles when the door is opened by most users is met.

The switch assembly 42 is disposed on the hinge assembly 3, so that a hole is not formed in the inner container of the refrigerator 100, the manufacturing process and the assembling process are simplified, and the assembling efficiency of the refrigerator 100 is improved.

In summary, the working state of each lamp 41 is controlled by the switch assembly 42 according to the opening angle of the door body 2; to light different lamps 41 at different door opening angles, thereby adjusting the brightness and illumination area.

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 possible embodiments of the present application, and they are not intended to limit the scope of the present application, and equivalent embodiments or modifications made without departing from the technical spirit of the present application should be included in the scope of the present application.

Claims

1. A refrigerator comprises a refrigerator body, a door body and an illumination system, and is characterized in that the illumination system comprises a plurality of lamps and a switch assembly which is in communication connection with the lamps, wherein the switch assembly comprises a mechanical switch, a trigger piece for triggering the mechanical switch and a driving mechanism for driving the trigger piece to move towards or back to the mechanical switch; the mechanical switch is positioned at any end of the movement direction of the trigger piece, and when the door body is opened relative to the box body, the driving mechanism drives the trigger piece to move towards or back to the mechanical switch so as to trigger the mechanical switch;

the refrigerator also comprises a hinge assembly which is used for pivotally connecting the refrigerator body and the door body, wherein the hinge assembly comprises a hinge seat with a shaft hole and a hinge shaft which is pivoted relative to the hinge seat in the shaft hole, and the hinge shaft is a hollow sleeve; the mechanical switch is positioned above or below the hinge shaft, and the trigger piece is positioned in the hinge shaft; the driving mechanism comprises a bulge and a groove which are arranged on one of the hinge shaft and the trigger piece and are used for accommodating the bulge, a pulley which is fixed on the upper part of the trigger piece and is positioned outside the hinge shaft, a supporting body which extends along the periphery of the hinge shaft and is arranged on the hinge seat to support the pulley, a force application sheet which is fixed at the bottom end of the trigger piece, and a spring which is sleeved on the trigger piece and is in a compression state; the protrusion and the groove extend along the length direction of the hinge shaft, and the length of the protrusion is smaller than that of the groove, or the groove penetrates through the hinge shaft along the length direction; the support body is provided with a support surface positioned at the top end of the support body, and the distances from the hinge seat to different positions of the support surface are different; the top end of the spring is fixed or propped against the hinge shaft, and the bottom end of the spring is connected with or propped against the force application sheet.

2. The refrigerator according to claim 1, wherein: and along the rotating direction of the hinge shaft in the opening process of the door body, the height of the supporting surface is gradually reduced or gradually increased.

3. The refrigerator according to claim 1, wherein: the hinge shaft is internally provided with a boss, and the top end of the spring is abutted against or connected to the boss.

4. The refrigerator according to claim 3, wherein: the hinge shaft is provided with a first shaft section and a second shaft section positioned above the first shaft section, the inner diameter of the first shaft section is larger than that of the second shaft section, and the joint of the first shaft section and the second shaft section forms the boss;

or the boss is of a structure protruding inwards from the inner wall of the hinge shaft.

5. The refrigerator according to claim 1, wherein: the mechanical switch comprises a switch seat, a contact rod and an elastic piece, wherein the contact rod moves relative to the switch seat and enables a part of structure to extend into the switch seat, and the elastic piece is connected between the switch seat and the contact rod and always provides force back to the switch seat for the contact rod.

6. The refrigerator according to claim 5, wherein: the mechanical switch is provided with at least two gears, and the lengths of the contact rods extending into the switch base are different when the gears are different.

7. The refrigerator according to any one of claims 1 to 6, wherein: the mechanical switch is provided with at least two gears, and different lamps are controlled to be on by different gears; when the door body is opened at different angles relative to the box body, the driving mechanism drives the trigger piece to move towards or back to the mechanical switch at different distances so as to trigger the mechanical switch to be at different gears.

8. The refrigerator according to claim 7, wherein the cabinet includes a shelf area, a drawer area at a bottom of the shelf area, and the door body includes a bottle seating area; the lamps comprise bottle seat lamps positioned in the bottle seat area, shelf lamps positioned in the shelf area and drawer lamps positioned in the drawer area.