CN113266989B - Refrigerator door magnetic sensitive switch and control mounting box thereof - Google Patents
Refrigerator door magnetic sensitive switch and control mounting box thereof Download PDFInfo
- Publication number
- CN113266989B CN113266989B CN202110430914.1A CN202110430914A CN113266989B CN 113266989 B CN113266989 B CN 113266989B CN 202110430914 A CN202110430914 A CN 202110430914A CN 113266989 B CN113266989 B CN 113266989B
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- door shell
- plate
- mounting
- fixedly provided
- door
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
Abstract
The invention discloses a refrigerator door magnetic-sensitive switch and a control installation box thereof, belonging to the field of refrigerator doors. A refrigerator door magnetic-sensitive switch comprises a door shell, a front plate and a control installation box, wherein the control installation box is arranged inside the door shell; the door shell is connected with the door shell through a driving mechanism; a magnetic sensitive switch is arranged in the control mounting box; a clamping mechanism is further arranged inside the door shell; one end of the front plate is rotatably connected with the door shell; the other end of the front plate is fixedly arranged with the clamping mechanism; the driving mechanism comprises a handle, a driving rod, a rotating block, an installation frame and a movable plate; the mounting rack is arranged inside the door shell; the mounting rack is connected with a movable plate in a sliding manner; the upper end of the movable plate is symmetrically and fixedly provided with fixed blocks; one end of the fixed block, which is far away from the movable plate, is provided with a first groove; the control installation box is connected with the fixed block through the first groove.
Description
Technical Field
The invention relates to the field of refrigerator doors, in particular to a refrigerator door magnetic-sensitive switch and a control installation box thereof.
Background
The magnetic sensitive switch realizes the temperature control by utilizing the ferromagnetic property of a temperature sensitive material near the Curie temperature to change into paramagnetic property. A switching device is provided with a closed contact. The main body of the temperature-sensitive ring is composed of a permanent magnet, a temperature-sensitive ring and a reed pipe. The magnetic conductivity of the temperature-sensitive ring can change rapidly near the Curie temperature, and the magnetic flux passing through the reed of the reed pipe is changed, so that the suction and the disconnection of the reed pipe can be controlled, and the temperature can be controlled.
But the magnetic sensitive switch is fixedly arranged inside the refrigerator door, so that the magnetic sensitive switch is very difficult to overhaul; therefore, the magnetic sensitive switch of the refrigerator door and the control installation box thereof are provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a refrigerator door magnetic-sensitive switch and a control installation box thereof.
The purpose of the invention can be realized by the following technical scheme:
a refrigerator door magnetic-sensitive switch comprises a door shell, a front plate and a control installation box, wherein the control installation box is arranged inside the door shell; the door shell is connected with the control mounting box through a driving mechanism; a magnetic sensitive switch is arranged in the control mounting box; a clamping mechanism is further arranged inside the door shell; one end of the front plate is rotatably connected with the door shell; the other end of the front plate is fixedly installed with the clamping mechanism.
Further, the driving mechanism comprises a handle, a driving rod, a rotating block, a mounting frame and a movable plate; the mounting rack is arranged inside the door shell; the mounting rack is connected with a movable plate in a sliding manner; the upper end of the movable plate is symmetrically and fixedly provided with fixed blocks; one end of the fixed block, which is far away from the movable plate, is provided with a first groove; the control mounting box is connected with the fixed block through the first groove; side plates are arranged at two ends of the first groove of the mounting frame; the side plate props against the control installation box; the bottom of the movable plate is fixedly provided with a connecting seat; the circuit line of the magnetic sensitive switch passes through the control mounting box and is connected with the connecting seat; the door shell forms a third through hole at the upper end of the movable plate;
a first through hole is formed at the upper end of the door shell; a manual shaft is rotatably connected inside the first through hole; the manual shaft is rotatably connected with the door shell; a second groove is formed at one end, far away from the first through hole, of the door shell; the inner part of the second groove is rotatably connected with a driven shaft; the driven shaft is rotationally connected with the door shell; the manual shaft and the driven shaft are both fixedly provided with rotating rods; the handle is also fixedly arranged on the manual shaft; the rotating rods are rotationally connected with driving rods; the door shell is symmetrically and rotatably connected with a rotating shaft; the rotating shafts are fixedly provided with rotating blocks; one end of the driving rod close to the rotating block forms a sliding groove; the rotating block is connected with the driving rod in a sliding mode through the sliding groove; the rotating shafts are fixedly provided with a first gear; one end of the door shell, which is close to the first gear, is rotatably connected with a connecting shaft; the connecting shaft is fixedly provided with a gear II and a chain wheel I; the second gear is meshed with the first gear; the door shell is respectively and rotatably connected with two rotating shafts on two sides of the mounting rack; the rotating shafts are fixedly provided with a second chain wheel; the second chain wheel and the second chain wheel on the same side of the mounting frame are connected through a chain; the chains are fixedly arranged with the movable plate; the door shell is rotatably connected with two transmission shafts at the lower end of the movable plate; the transmission shaft is driven by a straight gear; the transmission shaft is respectively in transmission with one of the rotating shafts through a synchronous belt.
Further, the clamping mechanism comprises a movable column, a sliding column and a mandril; the clamping mechanisms are symmetrically arranged on two sides of the mounting rack; the ejector rod is connected with the door shell in a sliding manner; one end of the ejector rod close to the driving rod is fixedly provided with a driving column; the sliding column is fixedly arranged at one end of the door shell close to the ejector rod; the sliding column is connected with the movable column in a sliding manner; a first spring is arranged between the movable column and the sliding column; the sliding column is fixedly provided with an installation plate; the mounting plate is fixedly provided with a mounting column; a limiting plate is fixedly arranged at one end, close to the mounting frame, of the door shell; a third groove is formed in the ejector rod; a second spring is arranged inside the third groove; two ends of the second spring are respectively connected with the ejector rod and the limiting plate; the front plate is fixedly provided with a limiting seat; one end of the limiting seat close to the mounting column forms a second through hole; and the second through hole is matched with the mounting column.
Further, a cover plate is rotatably connected to one end, close to the handle, of the door shell; the cover plate completely covers the first through hole and the third through hole; one end of the cover plate close to the front plate forms a flanging; and a soft cushion is fixedly arranged on one side of the turned edge close to the front plate.
Furthermore, clamping plates are symmetrically and fixedly arranged at one end, far away from the front plate, of the door shell; the clamping plates form clamping grooves which are linearly and uniformly distributed; the door shell is fixedly provided with a storage box through the clamping groove.
Further, the mounting bracket is close to the one end of through-hole three is equipped with strong magnet one, the fly leaf is close to the one end of strong magnet one is equipped with strong magnet two.
The invention has the beneficial effects that:
the magnetic sensitive switch of the refrigerator door and the control installation box thereof are provided with the driving mechanism and the clamping mechanism, so that the magnetic sensitive switch can be conveniently replaced, and the refrigerator door can be conveniently opened for circuit adjustment or internal maintenance.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view illustrating an opening of a refrigerator door according to the present application;
FIG. 2 is a schematic front view of a refrigerator door of the present application;
FIG. 3 is an enlarged schematic view at B of the present application;
fig. 4 is an enlarged schematic view at a of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1-4, a magnetic sensitive switch of a refrigerator door comprises a door shell 1, a front plate 2 and a control installation box 3, wherein the control installation box 3 is arranged inside the door shell 1; the door shell 1 is connected with the control installation box 3 through a driving mechanism; a magnetic sensitive switch is arranged in the control mounting box 3; a clamping mechanism is also arranged inside the door shell 1; one end of the front plate 2 is rotationally connected with the door shell 1; the other end of the front plate 2 is fixedly arranged with the clamping mechanism.
Further, the driving mechanism includes a handle 11, a driving rod 12, a rotation block 14, a mounting frame 4 and a movable plate 5; the mounting rack 4 is arranged inside the door shell 1; the mounting frame 4 is connected with a movable plate 5 in a sliding manner; the upper end of the movable plate 5 is symmetrically and fixedly provided with fixed blocks 6; one end of the fixed block 6, which is far away from the movable plate 5, forms a first groove; the control installation box 3 is connected with the fixed block 6 through the first groove; the mounting frame 4 is provided with side plates 7 at two ends of the first groove; the side plate 7 is propped against the control installation box 3; the bottom of the movable plate 5 is fixedly provided with a connecting seat; a circuit wire of the magnetic sensitive switch passes through the control mounting box 3 and is connected with the connecting seat; the door shell 1 forms a third through hole at the upper end of the movable plate 5;
a first through hole is formed at the upper end of the door shell 1; a manual shaft 8 is rotatably connected inside the first through hole; the manual shaft 8 is rotationally connected with the door shell 1; a second groove is formed at one end, far away from the first through hole, of the door shell 1; the inner part of the second groove is rotatably connected with a driven shaft 9; the driven shaft 9 is rotationally connected with the door shell 1; the manual shaft 8 and the driven shaft 9 are both fixedly provided with a rotating rod 10; the manual shaft 8 is also fixedly provided with a handle 11; the rotating rods 10 are all rotatably connected with a driving rod 12; the door shell 1 is symmetrically and rotatably connected with a rotating shaft 13; the rotating shafts 13 are fixedly provided with rotating blocks 14; one end of the driving rod 12 close to the rotating block 14 forms a sliding groove 15; the rotating block 14 is connected with the driving rod 12 in a sliding way through a sliding chute 15; the rotating shafts 13 are fixedly provided with a first gear 16; one end of the door shell 1 close to the first gear 16 is rotatably connected with a connecting shaft 17; the connecting shaft 17 is fixedly provided with a second gear 18 and a first chain wheel 19; the second gear 18 is meshed with the first gear 16; the door shell 1 is respectively and rotatably connected with two rotating shafts 20 on two sides of the mounting rack 4; the rotating shafts 20 are fixedly provided with a second chain wheel 21; the second chain wheel 21 and the second chain wheel 21 on the same side of the mounting frame 4 are connected through a chain; the chains are fixedly arranged with the movable plate 5; the door shell 1 is rotatably connected with two transmission shafts 22 at the lower end of the movable plate 5; the transmission shaft 22 is driven by a straight gear; the transmission shafts 22 are respectively driven with one of the rotation shafts 20 by a timing belt.
Further, the clamping mechanism includes a movable column 26, a sliding column 25, and a jack 24; the clamping mechanisms are symmetrically arranged on two sides of the mounting rack 4; the mandril 24 is connected with the door shell 1 in a sliding way; one end of the mandril 24 close to the driving rod 12 is fixedly provided with a driving column 23; the sliding column 25 is fixedly arranged at one end of the door shell 1 close to the mandril 24; the sliding column 25 is connected with the movable column 26 in a sliding way; a first spring is arranged between the movable column 26 and the sliding column 25; the sliding column 25 is fixedly provided with an installation plate 27; the mounting plate 27 is fixedly provided with a mounting column 28; a limiting plate 29 is fixedly arranged at one end of the door shell 1 close to the mounting frame 4; the inside of the ejector rod 24 is provided with a groove III; a second spring is arranged inside the third groove; two ends of the second spring are respectively connected with the ejector rod 24 and the limiting plate 29; the front plate 2 is fixedly provided with a limiting seat 30; one end of the limiting seat 30 close to the mounting column 28 is provided with a second through hole; the second through hole is matched with the mounting column 28.
Further, a cover plate is rotatably connected to one end of the door shell 1 close to the handle 11; the cover plate completely covers the first through hole and the third through hole; one end of the cover plate close to the front plate 2 forms a flanging; a soft cushion is fixedly arranged on one side of the turned edge close to the front plate 2; the apron can cover through-hole one and through-hole three, prevents personnel's contact, supports front bezel 2 through the turn-ups simultaneously, further fixes front bezel 2, and the cushion is used for protecting front bezel 2, prevents that hard friction from damaging front bezel 2.
Furthermore, clamping plates are symmetrically and fixedly arranged at one end of the door shell 1, which is far away from the front plate 2; the clamping plates form clamping grooves which are linearly and uniformly distributed; the door shell 1 is fixedly provided with a storage box through a clamping groove; the receiver is used for placing object article, and the draw-in groove is used for changing the interval between the interval receiver.
Furthermore, a first strong magnet is arranged at one end, close to the third through hole, of the mounting frame 4, and a second strong magnet is arranged at one end, close to the first strong magnet, of the movable plate 5; the movable plate 5 is conveniently fixed through the two magnets, and maintenance is facilitated.
In the following, the principle of the present invention is explained, when the magnetic sensitive switch has a problem, the handle 11 is firstly pulled; the handle 11 drives the rotating rod 10 to rotate by driving the manual shaft 8, when the rotating rod 10 rotates, the driving rod 12 rotates along with the rotating rod 10, and when the rotating rod 10 rotates and the rotating block 14 moves in the sliding groove 15, the small rotating rod 10 drives the rotating block 14 to rotate, so that the rotating shaft 13 is driven to rotate; the rotating shaft 13 drives the connecting shaft 17 to rotate through the first gear 16 and the second gear 18, and the connecting shaft 17 drives the rotating shaft 20 on the same side to rotate through the chain; the rotating shaft 20 and one transmission shaft 22 are connected and driven through a synchronous belt, and the two transmission shafts 22 are meshed through spur gears for transmission; the rotation direction of the rotation shaft 20 of the other side is opposite to thereby realize the reverse movement of the two chains; when the chain moves, the movable plate 5 can be lifted upwards, and when the fixed block 6 of the movable plate 5 extends out of the third through hole, the control mounting box 3 can be moved out of the groove; the connecting seat is used for placing a socket and controlling a lead of a magnetic sensitive switch in the mounting box 3 to be connected with the socket for working; after the control installation box 3 is removed, the magnetic sensitive switch can be taken out by opening the control installation box 3, and then the magnetic sensitive switch is maintained or replaced; through the mode, the refrigerator door does not need to be detached for maintenance, and the refrigerator door is convenient to search.
When the magnetic sensitive switch works abnormally due to an internal circuit, the front plate 2 needs to be opened, the interior of the refrigerator door needs to be overhauled, at the moment, the control mounting box 3 can be taken out by rotating the handle 11, then the handle 11 is continuously rotated, the rotating rod 10 is in contact with the driving column 23, the rotating rod 10 abuts against the driving shaft, the ejector rod 24 pushes the mounting plate 27, after the mounting plate 27 moves backwards, the mounting column 28 moves out of the second through hole in the limiting seat 30, then the front plate 2 is pushed from the inside of the third through hole, and then the front plate 2 can be opened; can not take the refrigerator door apart completely through above-mentioned mode, also conveniently change the inner bag of qianmen and refrigerator door simultaneously.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (4)
1. A refrigerator door magnetic-sensing switch comprises a door shell (1), a front plate (2) and a control installation box (3), and is characterized in that the control installation box (3) is arranged inside the door shell (1); the door shell (1) is connected with the control installation box (3) through a driving mechanism; a magnetic sensitive switch is arranged in the control mounting box (3); a clamping mechanism is further arranged inside the door shell (1); one end of the front plate (2) is rotatably connected with the door shell (1); the other end of the front plate (2) is fixedly installed with the clamping mechanism;
the driving mechanism comprises a handle (11), a driving rod (12), a rotating block (14), a mounting rack (4) and a movable plate (5); the mounting rack (4) is arranged inside the door shell (1); the mounting frame (4) is connected with a movable plate (5) in a sliding manner; the upper end of the movable plate (5) is symmetrically and fixedly provided with fixed blocks (6); one end, far away from the movable plate (5), of the fixed block (6) forms a first groove; the control mounting box (3) is connected with the fixing block (6) through the first groove; the mounting rack (4) is provided with side plates (7) at two ends of the first groove; the side plate (7) props against the control installation box (3); the bottom of the movable plate (5) is fixedly provided with a connecting seat; the circuit line of the magnetic sensitive switch passes through the control mounting box (3) and is connected with the connecting seat; the door shell (1) forms a third through hole at the upper end of the movable plate (5);
a first through hole is formed at the upper end of the door shell (1); a manual shaft (8) is rotatably connected inside the first through hole; the manual shaft (8) is rotationally connected with the door shell (1); a second groove is formed at one end, far away from the first through hole, of the door shell (1); the inner part of the second groove is rotatably connected with a driven shaft (9); the driven shaft (9) is rotationally connected with the door shell (1); a rotating rod (10) is fixedly arranged on each of the manual shaft (8) and the driven shaft (9); the manual shaft (8) is also fixedly provided with the handle (11); the rotating rods (10) are all rotationally connected with driving rods (12); the door shell (1) is symmetrically and rotatably connected with a rotating shaft (13); the rotating shafts (13) are fixedly provided with rotating blocks (14); one end of the driving rod (12) close to the rotating block (14) forms a sliding groove (15); the rotating block (14) is connected with the driving rod (12) in a sliding way through the sliding chute (15); the rotating shafts (13) are fixedly provided with a first gear (16); one end of the door shell (1) close to the first gear (16) is rotatably connected with a connecting shaft (17); a second gear (18) and a first chain wheel (19) are fixedly arranged on the connecting shaft (17); the second gear (18) is meshed with the first gear (16); the door shell (1) is respectively and rotatably connected with two rotating shafts (20) at two sides of the mounting rack (4); the rotating shafts (20) are fixedly provided with a second chain wheel (21); the second chain wheel (21) and the second chain wheel (21) on the same side of the mounting frame (4) are connected through a chain; the chains are fixedly arranged with the movable plate (5); the door shell (1) is rotatably connected with two transmission shafts (22) at the lower end of the movable plate (5); the transmission shaft (22) is in transmission through a straight gear; the transmission shafts (22) are respectively in transmission with one rotating shaft (20) through synchronous belts;
the clamping mechanism comprises a movable column (26), a sliding column (25) and a push rod (24); the clamping mechanisms are symmetrically arranged on two sides of the mounting rack (4); the ejector rod (24) is connected with the door shell (1) in a sliding manner; a driving column (23) is fixedly arranged at one end of the ejector rod (24) close to the driving rod (12); the sliding column (25) is fixedly arranged at one end, close to the ejector rod (24), of the door shell (1); the sliding column (25) is in sliding connection with the movable column (26); a first spring is arranged between the movable column (26) and the sliding column (25); the sliding column (25) is fixedly provided with a mounting plate (27); the mounting plate (27) is fixedly provided with a mounting column (28); a limiting plate (29) is fixedly arranged at one end, close to the mounting frame (4), of the door shell (1); the inner part of the ejector rod (24) is provided with a groove III; a second spring is arranged inside the third groove; two ends of the second spring are respectively connected with the ejector rod (24) and the limiting plate (29); the front plate (2) is fixedly provided with a limiting seat (30); one end of the limiting seat (30) close to the mounting column (28) forms a second through hole; the second through hole is matched with the mounting column (28).
2. A refrigerator door magnetic sensitive switch according to claim 1, characterized in that the door case (1) is rotatably connected with a cover plate at one end close to the handle (11); the cover plate completely covers the first through hole and the third through hole; one end of the cover plate close to the front plate (2) forms a flanging; one side of the turned edge close to the front plate (2) is fixedly provided with a cushion.
3. A refrigerator door magnetic-sensitive switch according to claim 1, characterized in that the end of the door shell (1) far from the front plate (2) is symmetrically and fixedly provided with clamping plates; the clamping plates form clamping grooves which are linearly and uniformly distributed; the door shell (1) is fixedly provided with a storage box through the clamping groove.
4. The refrigerator door magnetic-sensitive switch of claim 1, wherein a first strong magnet is disposed at one end of the mounting frame (4) close to the third through hole, and a second strong magnet is disposed at one end of the movable plate (5) close to the first strong magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110430914.1A CN113266989B (en) | 2021-04-21 | 2021-04-21 | Refrigerator door magnetic sensitive switch and control mounting box thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110430914.1A CN113266989B (en) | 2021-04-21 | 2021-04-21 | Refrigerator door magnetic sensitive switch and control mounting box thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113266989A CN113266989A (en) | 2021-08-17 |
| CN113266989B true CN113266989B (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110430914.1A Active CN113266989B (en) | 2021-04-21 | 2021-04-21 | Refrigerator door magnetic sensitive switch and control mounting box thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115273363A (en) * | 2022-06-13 | 2022-11-01 | 无锡瑞鼎电力科技有限公司 | Embedded door magnet structure convenient to maintain |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644523A (en) * | 2008-08-05 | 2010-02-10 | 苏州三星电子有限公司 | Refrigerator with automatically-opening door |
| KR101602431B1 (en) * | 2008-11-05 | 2016-03-10 | 삼성전자 주식회사 | Refrigerator |
| CN201575653U (en) * | 2010-01-08 | 2010-09-08 | 泰州乐金电子冷机有限公司 | Automatic door-openable refrigerator |
| CN102519216A (en) * | 2011-12-16 | 2012-06-27 | 淄博航康商贸有限公司 | Refrigerator door monitor |
| CN103206824B (en) * | 2013-04-01 | 2016-08-03 | 合肥晶弘电器有限公司 | A kind of two temperature compensates refrigerator and realizes the method that two temperature compensates |
| CN208025938U (en) * | 2018-01-27 | 2018-10-30 | 南安市凯旋狼服饰制造有限公司 | A kind of replaceable defroster of low-temperature cold store door |
| CN111380274B (en) * | 2018-12-29 | 2023-04-11 | 青岛海尔特种电冰柜有限公司 | Refrigerator |
| CN210625110U (en) * | 2019-06-11 | 2020-05-26 | 青岛聚广源制冷机电有限公司 | Energy-saving controller for refrigeration house |
| EP4023966A4 (en) * | 2019-08-30 | 2023-08-23 | Hisense (shandong) Refrigerator Co., Ltd. | Refrigerator having height-adjustable shelf |
| CN110883231A (en) * | 2019-12-24 | 2020-03-17 | 安徽艾普智能装备有限公司 | Stamping equipment is used in refrigerator door manufacturing process |
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2021
- 2021-04-21 CN CN202110430914.1A patent/CN113266989B/en active Active
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