Oxygen removal module, fresh-keeping device and refrigerator

Patent metadata

Field	Value
Publication number	US-12274282-B2
Application number	US-202017801788-A
Country	US
Kind code	B2
Filing date	Dec 23, 2020
Priority date	Mar 24, 2020
Publication date	Apr 15, 2025
Grant date	Apr 15, 2025

Abstract

An oxygen removal module, a fresh-keeping device and a refrigerator. The oxygen removal module comprises: an electrolyte tank provided with a water inlet; and a water tank provided with a water outlet, the water outlet being connected to the water inlet through a first pipeline, to supplement water to the electrolyte tank by means of the water tank.

First claim

What is claimed is:

1. An oxygen removal module used in a refrigerator, comprising:
an electrolyte tank provided with a water inlet; and
a water tank provided with a water outlet, and the water outlet is connected to the water inlet, such that water is supplemented to the electrolyte tank through the water tank;
wherein a top portion of the electrolyte tank is provided with a pressure release valve.

2. The oxygen removal module according to claim 1 , wherein the electrolyte tank is provided with a first air pressure balance port, the water tank is provided with a second air pressure balance port, and the first air pressure balance port is connected to the second air pressure balance port, so as to keep air pressures in the water tank and the electrolyte tank balanced.

3. The oxygen removal module according to claim 2 , wherein the water outlet is connected to the water inlet through a pipeline, and the first air pressure balance port is connected to the second air pressure balance port through a pipeline.

4. The oxygen removal module according to claim 1 , wherein the water tank is provided with a water feeding port, and a sealing structure capable of plugging the water feeding port is mounted on the water feeding port.

5. The oxygen removal module according to claim 1 , wherein the electrolyte tank is provided with an oxygen exhaust hole, and the exhaust hole is provided with an anti-toppling leakage structure.

6. The oxygen removal module according to claim 5 , wherein the anti-toppling leakage structure comprises:
an exhaust passage arranged in the electrolyte tank along a vertical direction, wherein one end of the exhaust passage is connected to the exhaust hole, and the other end of the exhaust passage is communicated with the electrolyte tank;
a floating ball arranged in the exhaust passage, wherein a gap is formed between the floating ball and the exhaust passage, a diameter of the floating ball is larger than an inner diameter of the exhaust hole, and the floating ball is capable of blocking the exhaust hole; and
a stopper arranged at the end of the exhaust passage communicated with the electrolyte tank, so as to prevent the floating ball from falling from the exhaust passage.

7. The oxygen removal module according to claim 6 , wherein an inner wall of the exhaust passage is provided with a plurality of exhaust grooves along an axial direction.

8. The oxygen removal module according to claim 6 , wherein the end of the exhaust passage connected with the exhaust hole is arranged in an arc shape matched with a correspondingly contacted spherical surface of the floating ball.

9. The oxygen removal module according to claim 6 , wherein a diameter of the exhaust passage is gradually reduced from bottom to top.

10. A fresh-keeping device, comprising:
a frame provided with an accommodating space, wherein one side of the frame is provided with an opening, a wall of the frame is provided with a vent hole, and the vent hole is communicated with the accommodating space;
a drawer capable of accessing and containing in the accommodating space through the opening, so as to form a closed storage space with the frame; and
the oxygen removal module according to claim 1 , wherein the electrolyte tank is arranged at the vent hole, so as to consume oxygen inside the storage space through the oxygen removal module.

11. The fresh-keeping device according to claim 10 , wherein the frame comprises:
an inner frame, wherein the accommodating space is arranged in the inner frame, the opening is arranged on one side of the inner frame, the vent hole is arranged in a side wall of the inner frame far away from the opening, and the water tank is arranged at an upper side wall of the inner frame; and
an outer frame arranged on the inner frame, wherein the electrolyte tank is arranged between the inner frame and the outer frame.

12. The fresh-keeping device according to claim 11 , wherein the electrolyte tank is detachably arranged on the inner frame through a first fixing structure, and the water tank is detachably arranged on the inner frame through a second fixing structure.

13. The fresh-keeping device according to claim 12 , wherein the first fixing structure comprises:
a first connecting column arranged on the side wall of the inner frame, wherein a first connecting hole is arranged in the first connecting column;
a first stepped hole arranged at a corresponding position of the electrolyte tank, wherein the first connecting column passes through the first stepped hole; and
a first fixed connecting member, wherein the first fixed connecting member passes through the first stepped hole and is threadedly connected to the first connecting hole.

14. The fresh-keeping device according to claim 12 , wherein the second fixing structure comprises:
a second connecting column arranged on the upper side wall of the inner frame, wherein a second connecting hole is arranged in the second connecting column;
a second stepped hole arranged at a corresponding position of the water tank, wherein the second connecting column passes through the second stepped hole; and
a second fixed connecting member, wherein the second fixed connecting member passes through the second stepped hole and is threadedly connected to the second connecting hole.

15. The fresh-keeping device according to claim 10 , wherein a sealing strip is arranged between the opening and the drawer.

16. The fresh-keeping device according to claim 10 , wherein a plurality of vent holes are provided, and the plurality of vent holes are arranged on the side wall of the frame in an array.

17. A refrigerator, comprising the fresh-keeping device according to claim 10 .

Assignees

• Hefei Midea Refrigerator Co
• Hefei Hualing Co Ltd
• Midea Group Co Ltd

Inventors

• Ren Xianghua
• Ren Zhijie
• Xie Weihao
• Yuan Xiaolong
• Liu Yunbin
• Shao Qipeng
• Zhou Xin

Classifications

• F25D2317/04

  Treating air flowing to refrigeration compartments · CPC title

• F25D25/025

  Drawers · CPC title

• F25D17/042 Primary

  Air treating means within refrigerated spaces (air conditioning in general F24F) · CPC title

• B01D53/326

  in electrochemical cells · CPC title

• A23V2002/00

  Food compositions, function of food ingredients or processes for food or foodstuffs · CPC title