CN210399635U - Refrigerating chamber of refrigerator - Google Patents
Refrigerating chamber of refrigerator Download PDFInfo
- Publication number
- CN210399635U CN210399635U CN201921049381.7U CN201921049381U CN210399635U CN 210399635 U CN210399635 U CN 210399635U CN 201921049381 U CN201921049381 U CN 201921049381U CN 210399635 U CN210399635 U CN 210399635U
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- Prior art keywords
- refrigerator
- air
- switch
- refrigerating chamber
- dry compressed
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- 239000007789 gas Substances 0.000 claims description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model provides a refrigerating chamber of refrigerator, refrigerating chamber include refrigerator door and box, the box includes outside and inboard, its characterized in that, refrigerating chamber still including locate the gas circuit pipeline in the box, the gas circuit pipeline is used for carrying dry compressed gas, the gas circuit pipeline includes air inlet and gas outlet, the outside is equipped with the first hole of dodging that switches on with the air inlet, the inboard is equipped with the second hole of dodging that switches on with the gas outlet; the refrigerating chamber further comprises a switch arranged at the joint of the refrigerator door and the refrigerator body and an air valve arranged on the air path pipeline, the refrigerator door controls the switch, the switch is used for controlling the air valve to be opened or closed, the air valve is used for controlling the air path pipeline to be switched on or switched off so as to input the dry compressed air into the refrigerating chamber when the refrigerating chamber is opened, the air pressure in the refrigerating chamber is larger than the external air pressure, and the outside is prevented from entering moisture, so that frosting is effectively prevented.
Description
Technical Field
The utility model relates to an electrical apparatus field of making especially relates to a walk-in of refrigerator.
Background
In the using process, the refrigerator door is often opened, and air in the external environment and cold air in the refrigerating chamber exchange heat under the influence of temperature difference to form air convection; meanwhile, external air enters the refrigerator, and because a lot of water vapor exists in the air in the external environment, liquid drops or frost can be formed in the refrigerating chamber in a low-temperature environment, so that troubles are brought to normal operation of the refrigerator, and meanwhile, energy consumption is increased.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a refrigerating chamber of a refrigerator capable of effectively preventing frost formation to solve the above technical problems.
A refrigerating chamber of a refrigerator comprises a refrigerator door and a refrigerator body, wherein the refrigerator body comprises an outer side and an inner side, the refrigerating chamber further comprises an air path pipeline arranged in the refrigerator body, the air path pipeline is used for conveying dry compressed gas, the air path pipeline comprises an air inlet and an air outlet, a first avoiding hole communicated with the air inlet is formed in the outer side, and a second avoiding hole communicated with the air outlet is formed in the inner side; the refrigerator also comprises a switch arranged at the joint of the refrigerator door and the refrigerator body and an air valve arranged on the air path pipeline, the refrigerator door controls the switch, the switch is used for controlling the air valve to be opened or closed, and the air valve is used for controlling the air path pipeline to be conducted or cut off so as to input the dry compressed air into the refrigerator chamber when the refrigerator chamber is opened.
Further, the quantity of hole is dodged to the second is one or more, the box includes relative roof and bottom plate, the back plate relative with the refrigerator door and relative left side board and right side board, the second dodges the hole and locates the roof the back plate the left side board with on one or more in the right side board.
Further, the second avoidance hole is formed in the rear plate.
Further, the first avoidance hole is formed in one of the rear plate, the left side plate and the right side plate and is close to the bottom plate.
Further, each second avoidance hole is a single hole or formed by combining a plurality of small holes.
Further, the dry compressed gas adopts dry compressed air or dry compressed inert gas.
Further, nitrogen is used as the dry compressed gas.
Further, the refrigerating chamber of the refrigerator also comprises a control circuit, the switch and the air valve are respectively connected with the control circuit, and the control circuit controls the opening or closing of the air valve according to the state of the switch.
Further, the switch adopts a mechanical switch or a sensor.
Furthermore, the inside of box is divided into a plurality of independent storage spaces, each the inboard of storage space be equipped with at least one with the second that the gas outlet switched on dodges the hole.
Compared with the prior art, the utility model discloses a walk-in of refrigerator utilizes the gas circuit pipeline the switch with the design of pneumatic valve is opening when the refrigerator door, trigger through the action of opening the door the switch makes the pneumatic valve is opened, dry compressed gas via the gas circuit pipeline gets into the inside of walk-in makes atmospheric pressure in the walk-in is greater than outside atmospheric pressure, prevents that outside air from getting into in the walk-in, thereby reach and prevent that the moisture from getting into the purpose that effectively prevents frosting.
Drawings
Fig. 1 is a schematic structural diagram of a refrigerating chamber of a refrigerator according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a refrigerating chamber of a refrigerator according to another embodiment of the present invention.
Description of the main elements
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
The embodiment of the utility model provides a refrigerating chamber of refrigerator, refrigerating chamber include refrigerator door and box, the box includes outside and inboard, refrigerating chamber still including locating the gas circuit pipeline in the box, the gas circuit pipeline is used for carrying dry compressed gas, the gas circuit pipeline includes air inlet and gas outlet, the outside is equipped with the first hole of dodging that switches on with the air inlet, the inboard is equipped with the second hole of dodging that switches on with the gas outlet; the refrigerator also comprises a switch arranged at the joint of the refrigerator door and the refrigerator body and an air valve arranged on the air path pipeline, the refrigerator door controls the switch, the switch is used for controlling the air valve to be opened or closed, and the air valve is used for controlling the air path pipeline to be conducted or cut off so as to input the dry compressed air into the refrigerator chamber when the refrigerator chamber is opened.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following embodiments, features of the embodiments may be combined with each other without conflict.
Referring to fig. 1, the present invention provides a refrigerating chamber 10 of a refrigerator, the refrigerating chamber 10 at least includes a refrigerator door 1 and a box body 2, and the box body 2 includes an outer side 21 and an inner side 22. The refrigerating chamber 10 further comprises an air passage pipeline 3 arranged in the box body 2, the air passage pipeline 3 is used for conveying dry compressed gas, the air passage pipeline 3 comprises an air inlet 31 and an air outlet 32, the outer side 21 is provided with a first avoidance hole 211 communicated with the air inlet 31, and the inner side 22 is provided with a second avoidance hole 221 communicated with the air outlet 32; the refrigerating chamber 10 further comprises a switch 4 arranged at the joint of the refrigerator door 1 and the refrigerator body 2 and an air valve 5 arranged on the air passage pipeline 3, the refrigerator door 1 controls the switch 4, the switch 4 is used for controlling the air valve 5 to be opened or closed, the air valve 5 is used for controlling the air passage pipeline 3 to be conducted or cut off, so that the dry compressed air is input into the refrigerating chamber 10 when the refrigerating chamber 10 is opened, the air pressure inside the refrigerating chamber 10 is larger than the external air pressure, and external moisture is effectively prevented from entering the refrigerating chamber 10.
Specifically, when the refrigerator door 1 is opened, the door opening action triggers the switch 4, so that the switch 4 causes the air valve 5 to open, and the dry compressed air enters the inside of the refrigerating chamber 10 through the air outlet 32 of the air passage pipeline 3, so that the air pressure in the refrigerating chamber 10 is greater than the external air pressure, and the external air is prevented from entering the refrigerating chamber 10; when the refrigerator door 1 is closed, this closing motion triggers the switch 4, so that the switch 4 causes the gas valve 5 to close, thereby interrupting the delivery of the dry compressed gas.
Preferably, the refrigerating chamber 10 further comprises a control circuit 6, the switch 4 and the air valve 5 are respectively connected with the control circuit 6, and the control circuit 6 controls the opening or closing of the air valve 5 according to the state of the switch 4. The control circuit 6 may be an independent circuit or may be integrated with a circuit of the refrigerator itself.
The switch 4 may be a mechanical switch or a sensor switch. If a mechanical switch is used, two wires may be used to connect the switch 4 to the control circuit 6; if a sensor is used, a corresponding device can be arranged in the control circuit 6 to open or close the air valve 5 according to the switch or door closing action sensed by the sensor.
It is understood that, in order to prevent the external air from entering the refrigerating compartment 10 during the time between the door opening and the door closing of the air pressure in the refrigerating compartment 10, the number and the arrangement positions of the second avoiding holes 221 may be designed in various ways, such as designing the amount of the dry compressed air to be introduced and discharged per unit time, and the like.
The cabinet 2 includes opposing top and bottom panels 201 and 202, a rear panel 203 opposing the refrigerator door 1, and opposing left and right side panels 204 and 205. The number of the second avoiding holes 221 is one or more. The second avoiding hole 221 may be formed in one or more of the top plate 201, the rear plate 203, the left side plate 204, and the right side plate 205.
Preferably, the second escape hole 221 is formed in the rear plate 203 to press the opposite gas upon input, thereby more effectively preventing external gas from entering the cabinet 2 when the refrigerator door is opened. Each of the second avoiding holes 221 may be a single hole or may be composed of a plurality of small holes. The air inlet area can be effectively enlarged by the composition mode of the small holes.
Preferably, the first avoiding hole 211 is formed in one of the rear plate 203, the left side plate 204 and the right side plate 205, and is close to the bottom plate 202, so that connection with an external air supply device (not shown) is more convenient.
According to the application environment of the refrigerator, dry compressed air or dry compressed inert gas is adopted as the dry compressed gas. In the laboratory refrigerator shown in fig. 2, the dry compressed gas is preferably a dry compressed inert gas, and preferably, the dry compressed gas is nitrogen.
As shown in fig. 2, the inside of the box 2 is divided into a plurality of independent storage spaces 20, and at least one second avoiding hole 221 communicating with the air outlet 32 is formed inside each of the storage spaces 20. The arrangement positions and the number of the second avoiding holes 221 are designed according to the internal division condition of the box body 2, and preferably, the second avoiding holes 221 are formed in the rear plate 203.
Compared with the prior art, the utility model discloses a walk-in 10 of refrigerator utilizes gas circuit pipeline 3 switch 4 with pneumatic valve 5's design is opening during refrigerator door 1, triggers through the action of opening the door switch 4 makes pneumatic valve 5 opens, dry compressed gas via gas circuit pipeline 3 gets into the inside of walk-in 10 makes atmospheric pressure in walk-in 10 is greater than outside atmospheric pressure, prevents that outside air from getting into in walk-in 10, thereby reach and prevent that the moisture from getting into the purpose that effectively prevents frosting.
It is understood that various other changes and modifications may be made by those skilled in the art based on the technical idea of the present invention, and all such changes and modifications should fall within the protective scope of the claims of the present invention.
Claims (10)
1. The refrigerating chamber of the refrigerator comprises a refrigerator door and a refrigerator body, wherein the refrigerator body comprises an outer side and an inner side, and the refrigerating chamber is characterized by further comprising an air path pipeline arranged in the refrigerator body, the air path pipeline is used for conveying dry compressed gas, the air path pipeline comprises an air inlet and an air outlet, a first avoidance hole communicated with the air inlet is formed in the outer side, and a second avoidance hole communicated with the air outlet is formed in the inner side; the refrigerator also comprises a switch arranged at the joint of the refrigerator door and the refrigerator body and an air valve arranged on the air path pipeline, the refrigerator door controls the switch, the switch is used for controlling the air valve to be opened or closed, and the air valve is used for controlling the air path pipeline to be conducted or cut off so as to input the dry compressed air into the refrigerator chamber when the refrigerator chamber is opened.
2. The refrigerating compartment of a refrigerator as claimed in claim 1, wherein: the second dodges the quantity of hole and is one or more, the box includes relative roof and bottom plate, the back plate relative with the refrigerator door and relative left side board and right side board, the second dodges the hole and locates the roof the back plate the left side board with in the right side board on one or more.
3. The refrigerating compartment of a refrigerator as claimed in claim 2, wherein: the second avoidance hole is formed in the rear plate.
4. The refrigerating compartment of a refrigerator as claimed in claim 2, wherein: the first avoidance hole is formed in one of the rear plate, the left side plate and the right side plate and is close to the bottom plate.
5. The refrigerating compartment of a refrigerator as claimed in claim 2, wherein: each second avoidance hole is a single hole or formed by combining a plurality of small holes.
6. The refrigerating compartment of a refrigerator as claimed in claim 1, wherein: the dry compressed gas adopts dry compressed air or dry compressed inert gas.
7. The refrigerating compartment of a refrigerator as claimed in claim 6, wherein: the dry compressed gas is nitrogen.
8. The refrigerating compartment of a refrigerator as claimed in claim 1, wherein: the refrigerating chamber of the refrigerator also comprises a control circuit, the switch and the air valve are respectively connected with the control circuit, and the control circuit controls the opening or closing of the air valve according to the state of the switch.
9. The refrigerating compartment of a refrigerator as claimed in claim 8, wherein: the switch adopts a mechanical switch or a sensor.
10. The refrigerating compartment of a refrigerator according to any one of claims 1 to 9, wherein: the inside of box is cut apart into a plurality of independent storage spaces, each the inboard of storage space be equipped with at least one with the second that the gas outlet switched on dodges the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921049381.7U CN210399635U (en) | 2019-07-05 | 2019-07-05 | Refrigerating chamber of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921049381.7U CN210399635U (en) | 2019-07-05 | 2019-07-05 | Refrigerating chamber of refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210399635U true CN210399635U (en) | 2020-04-24 |
Family
ID=70352997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921049381.7U Active CN210399635U (en) | 2019-07-05 | 2019-07-05 | Refrigerating chamber of refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210399635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230906A (en) * | 2019-07-05 | 2019-09-13 | 上海析维医疗科技有限公司 | The refrigerating chamber of refrigerator |
-
2019
- 2019-07-05 CN CN201921049381.7U patent/CN210399635U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230906A (en) * | 2019-07-05 | 2019-09-13 | 上海析维医疗科技有限公司 | The refrigerating chamber of refrigerator |
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