CN218096794U - Air pressure adjusting device, oxygen treatment device and refrigerator - Google Patents
Air pressure adjusting device, oxygen treatment device and refrigerator Download PDFInfo
- Publication number
- CN218096794U CN218096794U CN202220311754.9U CN202220311754U CN218096794U CN 218096794 U CN218096794 U CN 218096794U CN 202220311754 U CN202220311754 U CN 202220311754U CN 218096794 U CN218096794 U CN 218096794U
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- sealing plug
- air pressure
- air
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000001301 oxygen Substances 0.000 title claims abstract description 38
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 38
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 238000004891 communication Methods 0.000 claims description 24
- 238000003487 electrochemical reaction Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims 1
- 210000003437 trachea Anatomy 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000003792 electrolyte Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3409—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23L3/3418—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
-
- 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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
-
- 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
- F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Food Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nutrition Science (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model provides an air pressure adjusting device, oxygen processing apparatus and refrigerator, wherein, air pressure adjusting device includes trachea and sealing plug, the trachea has first end and second end and feeds through the intercommunication pipe portion between first end and second end, first end is used for the intercommunication negative pressure to take place the chamber, the second end is used for the intercommunication atmosphere, the blow vent diameter of second end is less than the pipe diameter of intercommunication pipe portion, the sealing plug can set up in intercommunication pipe portion with reciprocating motion, with sealing or opening the blow vent, thereby the break-make trachea, thereby take place the inside and outside pressure differential in chamber with balanced negative pressure.
Description
Technical Field
The utility model discloses atmospheric pressure regulation technical field especially relates to an atmospheric pressure adjusting device, oxygen processing apparatus and refrigerator.
Background
For some reaction devices, such as an electrochemical reaction device for reducing oxygen inside a refrigerator through an electrochemical reaction, an electrolyte is required to participate in the electrochemical reaction, and a gas is generated in the reaction process, and the generated gas needs to be discharged into water through a pipeline for filtering, and the filtered gas is discharged into a corresponding use scene.
A large amount of heat can be released in the reaction process, the space and the pipeline which are not filled with electrolyte in the reaction device can be filled with high-temperature water vapor, and after the reaction is stopped, the water vapor liquefaction can lead to the space and the pipeline which are not filled with electrolyte in the reaction device to form negative pressure, so that water is sucked into the reaction device reversely to dilute the electrolyte, and the reaction rate of the reaction device is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome at least one technical defect among the prior art, provide an atmospheric pressure adjusting device and have this atmospheric pressure adjusting device's oxygen processing apparatus and have this oxygen processing apparatus's refrigerator.
A further object of the present invention is to utilize the air pressure regulating device to balance the negative pressure and generate the pressure difference inside and outside the cavity.
Another further object of the present invention is to make the negative pressure generating chamber communicate with the outside only when generating negative pressure.
A further object of the present invention is to provide a pressure regulator that automatically regulates the negative pressure to generate a pressure difference between the interior and the exterior of the chamber.
Still a further object of the present invention is to solve the problem of back suction caused by negative pressure generated by the oxygen treatment device.
According to an aspect of the utility model, a pneumatic adjusting device is provided, it includes:
a gas pipe having a first end portion for communicating with the negative pressure generating chamber and a second end portion for communicating with the atmosphere, and a communicating pipe portion communicating between the first end portion and the second end portion; the diameter of the vent at the second end part is smaller than the pipe diameter of the communication pipe part;
and the sealing plug is arranged in the communication pipe part in a reciprocating manner so as to close or open the vent hole, so that the air pipe is switched on or off.
Optionally, the air pressure adjusting device further comprises:
and a gap is formed between the sealing plug and the communication pipe part for allowing airflow to pass through.
Optionally, the sealing plug is formed with a convex arc-shaped end surface on a side facing the vent hole, and a diameter of a sphere where the arc-shaped end surface is located is larger than that of the vent hole, so that the vent hole is closed by the arc-shaped end surface when the sealing plug moves towards the first end portion.
Optionally, the air pressure adjusting device further comprises:
the elastic part, set up in the intercommunication pipe portion, and be connected to the sealing plug dorsad one side of blow vent for through take place flexible deformation with the sealing plug application of force each other, thereby make sealing plug reciprocating motion.
Optionally, the elastic element is a spring, and one end of the elastic element, which faces away from the sealing plug, is fixed in the communication pipe portion.
Optionally, the first end portion and the second end portion are respectively an end pipe portion with a pipe diameter smaller than that of the communication pipe portion;
one end of the elastic piece back to the sealing plug is fixed at the joint between the communication pipe part and the first end part.
According to another aspect of the present invention, there is also provided an oxygen treatment device comprising:
a housing defining a negative pressure generating chamber for generating an electrochemical reaction to treat oxygen; and is provided with
An air pressure regulating device as claimed in any preceding claim, a first end of the air pressure regulating device being in communication with the negative pressure generating chamber.
Optionally, the housing is provided with a through hole communicated with the negative pressure generating cavity, and the first end of the air tube is communicated with the negative pressure generating cavity through the through hole.
Optionally, the housing is provided with an exhaust port communicated with the negative pressure generating chamber, for exhausting gas generated by the electrochemical reaction;
the first end of the air pipe is communicated with the negative pressure generating cavity through the air outlet.
According to still another aspect of the present invention, there is also provided a refrigerator including the oxygen treatment device as described in any one of the above.
The utility model provides an air pressure adjusting device, among oxygen processing apparatus and the refrigerator, air pressure adjusting device includes trachea and sealing plug, wherein, the trachea has first end and second end and feeds through the intercommunication pipe portion between first end and second end, first end is used for the intercommunication negative pressure to take place the chamber, the second end is used for the intercommunication atmosphere, the blow vent diameter of second end is less than the pipe diameter of intercommunication pipe portion, the sealing plug can set up in intercommunication pipe portion with reciprocating motion, with sealing or opening the blow vent, thereby the break-make trachea, thereby take place the inside and outside pressure differential in chamber with balanced negative pressure.
Further, the utility model provides an among atmospheric pressure adjusting device, oxygen processing apparatus and the refrigerator, the stopper is formed with convex arcuation terminal surface in the one side of face towards the blow vent, and the spheroidal diameter in arcuation terminal surface place is greater than the diameter of blow vent for utilize the arcuation terminal surface to seal the blow vent when the sealing member removes towards first end, thereby can make the negative pressure take place the chamber only when taking place the negative pressure with outside intercommunication.
Further, the utility model provides an in atmospheric pressure adjusting device, oxygen processing apparatus and the refrigerator, atmospheric pressure adjusting device still includes the elastic component, and the elastic component setting is in the intercommunication portion and be connected to the sealing plug one side of blow vent dorsad for through taking place flexible deformation and the mutual application of force of sealing plug, thereby make sealing plug reciprocating motion, thereby make but atmospheric pressure adjusting device automatically regulated negative pressure take place the interior outer differential pressure in chamber.
Furthermore, the air pressure adjusting device can adjust the internal and external pressure difference of the negative pressure generating cavity of the oxygen treatment device, thereby avoiding the problem that the oxygen treatment device generates back suction due to the negative pressure of the negative pressure generating cavity.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic view of a first state of an air pressure adjusting device according to an embodiment of the present invention;
fig. 2 is a schematic view of a second state of the air pressure adjusting device according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an oxygen treatment device according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of an oxygen treatment device according to a preferred embodiment of the present invention;
fig. 5 is a schematic structural block diagram of a refrigerator according to an embodiment of the present invention.
Detailed Description
The air pressure adjusting device, the oxygen processing device, and the refrigerator according to the embodiments of the present invention will be described with reference to fig. 1 to 5. Where the orientations or positional relationships indicated by the terms "front", "back", "upper", "lower", "top", "bottom", "inner", "outer", "lateral", etc., are based on the orientations or positional relationships shown in the drawings, they are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first," "second," etc. may explicitly or implicitly include at least one such feature, i.e., one or more such features. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. When a feature "comprises or comprises" a or some of its intended features, this indicates that other features are not excluded and that other features may be further included, unless expressly stated otherwise.
Fig. 1 is a schematic view of a first state of an air pressure adjusting device according to an embodiment of the present invention; fig. 2 is a schematic diagram of a second state of the air pressure adjusting device according to an embodiment of the present invention. Referring to fig. 1 and 2, the air pressure adjusting device 100 includes an air tube 110 and a sealing plug 120, wherein the air tube 110 has a first end and a second end and a communication tube 113 communicating between the first end 111 and the second end 112, the first end 111 is used for communicating a negative pressure generating chamber, the second end 112 is used for communicating with the atmosphere, a diameter of a vent 1121 of the second end 112 is smaller than a tube diameter of the communication tube 113, and the sealing plug 120 is reciprocally disposed in the communication tube 113 to close or open the vent 1121 to open and close the air tube 110, so as to balance an internal and external pressure difference of the negative pressure generating chamber.
In some embodiments, there is a gap between the sealing plug 120 and the communication pipe portion 113 for the air flow to pass through. The sealing plug 120 may be cylindrical, and the sidewall of the sealing plug 120 is spaced apart from the inner wall of the communication tube 113, so that when the vent hole 1121 is opened, the air flow can pass through the gap between the two.
In some embodiments, the sealing plug 120 is formed with a convex arc-shaped end surface 121 on a side facing the vent hole 1121, and a diameter of a sphere where the arc-shaped end surface 121 is located is larger than that of the vent hole 1121, so that the vent hole 1121 is closed by the arc-shaped end surface 121 when the sealing member moves toward the first end 111, thereby enabling the negative pressure generation cavity to be communicated with the outside only when the negative pressure is generated.
In some embodiments of the present invention, the air pressure adjusting apparatus 100 further includes an elastic member 130, the elastic member 130 is disposed in the communication pipe portion 113 and connected to one side of the sealing plug 120 back to the vent 1121, and is used for exerting a force with the sealing plug 120 through the occurrence of a telescopic deformation, so as to make the sealing plug 120 move back and forth. The elastic member 130 is disposed to enable the air pressure adjusting device 100 to automatically adjust the pressure difference between the inside and the outside of the negative pressure generating chamber.
Alternatively, the elastic member 130 is a spring, and one end of the spring, which faces away from the sealing plug 120, is fixed in the communication pipe portion 113.
In some embodiments of the present invention, the first end and the second end of the air tube 110 are respectively an end tube portion with a tube diameter smaller than the tube diameter of the communication tube portion 113, and the elastic member 130 is fixed at the joint between the communication tube portion 113 and the first end portion 111 back to the end of the sealing plug 120.
Referring to fig. 2, in operation, when the negative pressure generating chamber generates negative pressure, the sealing plug 120 moves away from the vent hole 1121 under the action of the external air pressure and compresses the spring, so that the vent hole 1121 is opened to balance the internal and external pressure difference of the negative pressure generating chamber; referring to fig. 1, when the negative pressure generation chamber releases the negative pressure, the spring expands and pushes the sealing plug 120 to move toward the vent hole 1121, so as to close the vent hole 1121.
Based on the same inventive concept, the present invention further provides an oxygen treatment device 200, and fig. 3 is a schematic structural diagram of the oxygen treatment device 200 according to an embodiment of the present invention; fig. 4 is a schematic structural view of an oxygen treatment device 200 according to a preferred embodiment of the present invention. Referring to fig. 3 and 4, the oxygen treatment device 200 comprises a housing 210 and the air pressure regulating device 100 of any of the above embodiments, wherein the housing 210 defines a negative pressure generating chamber 211 for generating an electrochemical reaction to treat oxygen, and the first end 111 of the air pressure regulating device 100 is communicated with the negative pressure generating chamber 211, so as to prevent the negative pressure generating chamber 211 from suck back.
The negative pressure generating chamber 211 may be provided therein with electrochemical reaction elements (anode plate, cathode plate, etc.), and may further store an electrolyte, such as a sodium hydroxide solution, etc. The anode plate and the cathode plate are respectively immersed in the electrolyte.
The cathode plate is adapted to consume oxygen flowing through the cathode plate by an electrochemical reaction when energized. For example, oxygen in the air may undergo a reduction reaction at the cathode plate, i.e.: o is 2 +2H 2 O+4e - →4OH - 。
The anode plate and the cathode plate are arranged in the negative electrode generating cavity 211 at intervals. And upon energization, the anode plate serves to provide reactants (e.g., electrons) to the cathode plate through an electrochemical reaction and generate oxygen. OH generated from the cathode plate - An oxidation reaction may occur at the anode plate and generate oxygen, i.e.: 4OH - →O 2 +2H 2 O+4e - 。
The casing 210 may be provided with an exhaust port 213 communicated with the negative pressure generating chamber 211, the oxygen treatment apparatus 200 may further include an exhaust pipe 220, intake air of the exhaust pipe 220 is communicated with the negative pressure generating chamber 211 through the exhaust port 213, and an air outlet end of the exhaust pipe 220 extends into water in the water tank 300 located outside the casing 210, so that gas generated by the negative pressure generating chamber 211 is discharged into the water through the exhaust pipe 220 to be filtered and then enters a corresponding use scene.
Referring to fig. 3, the housing 210 may be provided with a through hole 212 communicating with the negative pressure generating chamber 211, the first end 111 of the air tube 110 may communicate with the negative pressure generating chamber 211 via the through hole 212, and the through hole 212 may be provided at a top wall of the housing 210.
Referring to fig. 4, the first end 111 of the air tube 110 may communicate with the negative pressure generating chamber 211 via the air outlet 213.
Specifically, the air inlet end of the exhaust pipe 220 and the first end of the air pipe 110 may communicate with the negative pressure generating chamber 211 through the exhaust port 213 via the tee pipe 230.
Based on the same inventive concept, the present invention further provides a refrigerator 400, and fig. 5 is a schematic structural block diagram of the refrigerator 400 according to an embodiment of the present invention. Referring to fig. 5, a refrigerator 400 includes the oxygen treatment device 200 of any of the above embodiments.
The cathode plate of the oxygen treatment device 200 can be communicated with the storage chamber of the refrigerator 400 so as to consume the oxygen in the storage chamber of the refrigerator and improve the fresh-keeping effect of the refrigerator.
The utility model provides an air pressure adjusting device 100, in oxygen processing apparatus 200 and refrigerator 400, air pressure adjusting device 100 includes trachea 110 and sealing plug 120, wherein, trachea 110 has first end and second end and communicates in the intercommunication pipe portion 113 between first end 111 and second end 112, first end 111 is used for the intercommunication negative pressure to take place the chamber, second end 112 is used for the intercommunication atmosphere, the blow vent 1121 diameter of second end 112 is less than the pipe diameter of intercommunication pipe portion 113, sealing plug 120 can set up in intercommunication pipe portion 113 with reciprocating motion, with sealing or opening blow vent 1121, thereby break-make trachea 110, thereby take place the inside and outside pressure differential in chamber with balanced negative pressure.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. An air pressure regulating device for mounting to a negative pressure generating chamber, comprising:
a gas pipe having a first end portion and a second end portion and a communication pipe portion communicating between the first end portion and the second end portion, the first end portion being used for communicating the negative pressure generation chamber, the second end portion being used for communicating the atmosphere; the diameter of the vent at the second end part is smaller than the pipe diameter of the communication pipe part;
and the sealing plug is arranged in the communication pipe part in a reciprocating manner so as to close or open the vent hole, so that the air pipe is switched on and off.
2. The air pressure adjustment device according to claim 1, further comprising:
and a gap is formed between the sealing plug and the communication pipe part so as to allow airflow to pass through.
3. The air pressure adjustment device according to claim 1,
the sealing plug is provided with a convex arc-shaped end face on one side facing the vent hole, and the diameter of the sphere where the arc-shaped end face is located is larger than that of the vent hole, so that the vent hole is closed by the arc-shaped end face when the sealing plug moves towards the first end part.
4. The air pressure adjustment device according to claim 1, further comprising:
the elastic component, set up in the intercommunication pipe portion, and be connected to the sealing plug dorsad towards one side of blow vent for through take place flexible deformation with the sealing plug application of force each other, thereby make sealing plug reciprocating motion.
5. Air pressure regulating device according to claim 4,
the elastic piece is a spring, and one end of the elastic piece, which faces back to the sealing plug, is fixed in the communication pipe part.
6. Air pressure regulating device according to claim 5,
the first end part and the second end part are respectively an end pipe part with the pipe diameter smaller than that of the communication pipe part;
one end of the elastic piece back to the sealing plug is fixed at the joint between the communication pipe part and the first end part.
7. An oxygen treatment device, comprising:
a housing defining a negative pressure generating chamber for generating an electrochemical reaction to treat oxygen; and is
An air pressure regulating device as claimed in any one of claims 1 to 6, a first end of the air pressure regulating device being in communication with the negative pressure generating chamber.
8. The oxygen treatment device according to claim 7,
the shell is provided with a through hole communicated with the negative pressure generating cavity, and the first end part of the air pipe is communicated with the negative pressure generating cavity through the through hole.
9. The oxygen treatment device according to claim 7,
the shell is provided with an air outlet communicated with the negative pressure generating cavity and used for discharging gas generated by the electrochemical reaction;
the first end of the air pipe is communicated with the negative pressure generating cavity through the air outlet.
10. A refrigerator characterized by comprising the oxygen treatment device of any one of claims 7 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220311754.9U CN218096794U (en) | 2022-02-16 | 2022-02-16 | Air pressure adjusting device, oxygen treatment device and refrigerator |
| PCT/CN2023/073573 WO2023155666A1 (en) | 2022-02-16 | 2023-01-28 | Air pressure adjustment device, oxygen treatment device, and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220311754.9U CN218096794U (en) | 2022-02-16 | 2022-02-16 | Air pressure adjusting device, oxygen treatment device and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218096794U true CN218096794U (en) | 2022-12-20 |
Family
ID=84443399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220311754.9U Active CN218096794U (en) | 2022-02-16 | 2022-02-16 | Air pressure adjusting device, oxygen treatment device and refrigerator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN218096794U (en) |
| WO (1) | WO2023155666A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023155666A1 (en) * | 2022-02-16 | 2023-08-24 | 青岛海尔电冰箱有限公司 | Air pressure adjustment device, oxygen treatment device, and refrigerator |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9535428B2 (en) * | 2013-05-20 | 2017-01-03 | Proportion-Air, Inc. | Spring controlled valve |
| CN103411376A (en) * | 2013-08-29 | 2013-11-27 | 合肥华凌股份有限公司 | Refrigeration equipment |
| CN104864661B (en) * | 2015-05-11 | 2018-11-13 | 合肥华凌股份有限公司 | Refrigerating appliance |
| CN106016934B (en) * | 2016-05-23 | 2019-05-31 | 青岛海尔股份有限公司 | Refrigerator and its article-storage device |
| CN107270616B (en) * | 2017-06-27 | 2022-02-15 | 安徽康佳同创电器有限公司 | Refrigerator compartment pressure balancing device and refrigerator |
| CN112780814A (en) * | 2019-11-07 | 2021-05-11 | 青岛海尔特种电冰柜有限公司 | Adjustable air pressure balance valve and refrigeration device using same |
| CN112780815B (en) * | 2019-11-07 | 2024-02-09 | 青岛海尔特种电冰柜有限公司 | Multifunctional air pressure balance valve and refrigerating device using same |
| CN113446792B (en) * | 2020-03-24 | 2022-09-20 | 合肥华凌股份有限公司 | Deoxidization subassembly, storing device and refrigerator |
| CN218096794U (en) * | 2022-02-16 | 2022-12-20 | 青岛海尔电冰箱有限公司 | Air pressure adjusting device, oxygen treatment device and refrigerator |
-
2022
- 2022-02-16 CN CN202220311754.9U patent/CN218096794U/en active Active
-
2023
- 2023-01-28 WO PCT/CN2023/073573 patent/WO2023155666A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023155666A1 (en) * | 2022-02-16 | 2023-08-24 | 青岛海尔电冰箱有限公司 | Air pressure adjustment device, oxygen treatment device, and refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023155666A1 (en) | 2023-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218096794U (en) | Air pressure adjusting device, oxygen treatment device and refrigerator | |
| CN217465119U (en) | Oxygen treatment device and refrigerator with same | |
| CN108808102A (en) | Intermittent negative pressure regulating system and negative pressure adjusting method for lithium ion battery formation process | |
| CN215930250U (en) | Refrigerating and freezing device | |
| WO2024160195A1 (en) | Electrochemical oxygen-regulating device and refrigerator having same | |
| CN214221460U (en) | Pumping speed control device and vacuum preparation system | |
| WO2024055944A1 (en) | Oxygen treatment device and refrigerating and freezing device having same | |
| CN212774645U (en) | Vacuum pump with filter for vacuum furnace | |
| CN206742375U (en) | The gas extraction system of filling head, the liquid injection system of duricrust battery and duricrust battery | |
| CN211450354U (en) | Gas storage device of adjustable internal pressure | |
| WO2023124679A1 (en) | Refrigerator | |
| CN218358408U (en) | Carbon dioxide absorbing device of anion micro-hyperbaric oxygen chamber | |
| WO2023124678A1 (en) | Refrigerator | |
| CN216120411U (en) | Exhaust device for battery formation and formation system | |
| CN217876675U (en) | Gas treatment device and refrigerator with same | |
| CN213061041U (en) | Hydrogen preparation device | |
| CN212872351U (en) | Waste gas collecting and detecting device | |
| CN212454832U (en) | Compressor air supplement mechanism and compressor | |
| CN210262022U (en) | Hydrogen breathing machine | |
| WO2023142642A1 (en) | Gas treatment device and refrigerator having same | |
| CN111878403A (en) | Compressor air supplementing mechanism, compressor and compressor air supplementing method | |
| WO2022242239A1 (en) | Refrigerator and electrolytic oxygen removal device thereof | |
| CN110834160A (en) | Sucking disc and laser cutting machine | |
| WO2022242196A1 (en) | Refrigerator | |
| CN212645385U (en) | Rapid cooling device for magnesium metal smelting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |