CN209926716U - Ultra-low temperature cold storage door - Google Patents
Ultra-low temperature cold storage door Download PDFInfo
- Publication number
- CN209926716U CN209926716U CN201920696191.8U CN201920696191U CN209926716U CN 209926716 U CN209926716 U CN 209926716U CN 201920696191 U CN201920696191 U CN 201920696191U CN 209926716 U CN209926716 U CN 209926716U
- Authority
- CN
- China
- Prior art keywords
- door
- layer
- cold storage
- ultra
- low temperature
- 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
Images
Abstract
The utility model discloses an ultra-low temperature cold storage door, which comprises a cold storage body, wherein a first layer of cold storage door is arranged on the outer side of the cold storage body, and a second layer of heat preservation door is arranged on the inner side of the cold storage body; the second layer of heat preservation door is opposite to the first layer of cold storage door, and an air gap is formed between the second layer of heat preservation door and the first layer of cold storage door. The utility model discloses when being equipped with the first floor cold storage door outside the freezer body, set up the second floor heat preservation door near its freezer inboard, leave certain air gap between first floor cold storage door and the second floor heat preservation door, actually become the freezer inboard and have a difference in temperature outside the second floor heat preservation door, form first temperature gradient; a temperature difference exists between the inner side of the first layer of the cold storage door 11 and the outer side of the cold storage to form a second temperature gradient, so that two smaller temperature gradients are formed, and a large amount of condensed frost is reduced.
Description
Technical Field
The utility model relates to a cold storage door, in particular to ultra-low temperature cold storage door.
Background
At present, ultralow temperature cold storages are gradually popularized and applied in units such as blood station systems, universities, scientific research institutions and the like. The ultralow temperature refrigerator mainly refers to a refrigerator with the temperature of-70 to-80 ℃. Because the temperature of the cold storage is extremely low and the temperature difference between the cold storage and the ambient temperature outside the cold storage is large, a large amount of frost with ultralow temperature can be condensed on the inner side of the general cold storage door, so that the cold storage door is frozen and is difficult to open. Even set up electric heater unit in freezer storehouse door inboard for melt the frost on the door leaf internal orifice, also be the effect in fact not good, be difficult to solve the needs that freezer storehouse door normally opened, closed. The practical problem which troubles the practical application of the ultra-low temperature refrigerator for many years.
Disclosure of Invention
The utility model provides an ultra-low temperature cold storage door which can be conveniently opened and closed for solving the technical problems in the prior art.
The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: an ultra-low temperature cold storage door comprises a cold storage body, wherein a first layer of cold storage door is arranged on the outer side of the cold storage body, and a second layer of heat preservation door is arranged on the inner side of the cold storage body; the second layer of heat preservation door is opposite to the first layer of cold storage door, and an air gap is formed between the second layer of heat preservation door and the first layer of cold storage door.
Further, the second layer of heat preservation door includes interior panel, vacuum insulation panel and outer panel from inside to outside in proper order.
Further, an inner polyurethane foam layer is arranged between the inner panel and the vacuum heat insulation plate.
Further, an outer polyurethane foam layer is arranged between the outer panel and the vacuum insulation panel.
Further, the inner panel is a polymer plate.
Further, the outer panel is a polymer plate.
Furthermore, a plurality of inner side sealing rubber strips are arranged between the second layer of heat-insulating door and the refrigeration house body.
Further, the inner sealing rubber strip is a hard sealing rubber strip.
Further, an electric conduction heat film is arranged on the inner side of the first layer of the cold storage door.
Further, the range of the air gap is 30 mm-100 mm.
The utility model has the advantages and positive effects that: the temperature difference between the inner side of the cold storage and the outer side of the cold storage is large, namely the temperature gradient is large, so that the ultra-low temperature cold storage door is difficult to normally open and close, and a large amount of frozen frost is condensed. The utility model discloses when being equipped with the first floor cold storage door outside the freezer body, set up the second floor heat preservation door near its freezer inboard, leave certain air gap between first floor cold storage door and the second floor heat preservation door, actually become the freezer inboard and the second floor heat preservation door outside have a difference in temperature, form first temperature gradient; a temperature difference exists between the inner side of the first layer of the cold storage door 11 and the outer side of the cold storage to form a second temperature gradient, so that two smaller temperature gradients are formed, and a large amount of condensed frost is reduced.
The middle sandwich of the second layer of heat preservation door is a VIP vacuum heat insulation plate, the heat conductivity coefficient is 0.0025W/(m.K), the cold preservation performance is extremely high, and the intensity of outward cold leakage from the inner side of the refrigeration house through the second layer of heat preservation door is greatly reduced.
And a polyurethane foaming layer is arranged between the inner panel and the outer panel and between the inner panel and the vacuum heat insulation panel. The polyurethane foaming layer has low heat conductivity coefficient and high strength, not only plays a role in heat preservation, but also improves and ensures the overall strength of the second layer heat preservation door.
The electric heat conduction film 10 is arranged on the inner side of the first layer of the cold storage door 11, so that frost can be melted and formed.
Be equipped with the inboard joint strip of multichannel between second floor heat preservation door and freezer body, can prevent the cold energy loss.
Drawings
Fig. 1 is a front view of the present invention.
FIG. 2 is a partial cross-sectional view of the present invention
In the figure: 1. the outer side of the refrigerator body; 2. a freezer body; 3. the inner side of the cold storage body; 4. an outer sealing rubber strip; 5. an inner side sealing rubber strip; 6. an inner panel; 7. an inner polyurethane foam layer; 8. a vacuum insulation panel; 9. an outer polyurethane foam layer; 10. an electrically conductive thermal film; 11. the first layer of cold storage door.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are listed and will be described in detail with reference to the accompanying drawings:
referring to fig. 1 to 2, an ultra-low temperature cold storage door includes a cold storage body 2, a first layer of cold storage door 11 is arranged on the outer side 1 of the cold storage body, and a second layer of heat preservation door is arranged on the inner side 3 of the cold storage body; the second layer of heat preservation door is opposite to the first layer of cold storage door 11, and an air gap is formed between the second layer of heat preservation door and the first layer of cold storage door. Preferably, the air gap may range from 30mm to 100 mm.
The second layer of heat preservation door can rotate inwards and open, also can rotate outwards and open, also can set up to push-pull type slip and open and close.
Preferably, the second layer of thermal insulation door may sequentially include an inner panel 6, a vacuum insulation panel 8 and an outer panel from inside to outside. In order to increase the strength and the heat insulation effect of the second layer of heat insulation door, a polyurethane foam layer can be arranged between the inner panel, the outer panel and the vacuum heat insulation plate. An inner polyurethane foam layer 7 may be provided between the inner panel 6 and the vacuum insulation panel 8. An outer polyurethane foam layer 9 is provided between the outer panel and the vacuum insulation panel 8.
Preferably, to enhance the strength, the thermal insulation performance and the decoration performance of the second layer thermal insulation door, the inner panel 6 may be a polymer plate, such as a polymer polyethylene plate, a polymer decorative plate, and various commercially available polymer plates. The outer panel may be a polymer plate. Such as various commercially available polymer sheets, for example, a polymer polyethylene sheet, a polymer decorative sheet, and the like.
Preferably, in order to reduce the loss of cold energy, a plurality of inner side sealing rubber strips 5 can be arranged between the second layer of heat-insulating door and the refrigeration house body 2. The inner sealing rubber strip 5 can be a hard sealing rubber strip. Three hard inner side sealing rubber strips 5 can be adopted to seal with the inner side of the second layer of heat preservation door. An elastic lining strip matched with the sealing rubber strip 5 can be arranged on the inner side of the inner panel 6.
Preferably, an electrically conductive heat transfer film 10 may be provided inside the first layer of the cold store door 11.
The utility model discloses a theory of operation:
the known ultralow-temperature cold storage door is difficult to normally open and close and a large amount of frozen frost is caused by the fact that the temperature difference between the inner side of the cold storage and the outer side of the cold storage is large, namely the temperature gradient is large. The utility model discloses when setting up first layer cold storage door 11, setting up second floor heat preservation door near its freezer inboard, second floor heat preservation door can be from interior to exterior includes interior panel 6, VIP vacuum insulation panels 8, outside panel in proper order. In order to increase the strength and the heat insulation effect of the second layer heat insulation door, the second layer heat insulation door also can sequentially comprise an inner panel 6, an inner polyurethane foaming layer 7, a VIP vacuum heat insulation plate 8, an outer polyurethane foaming layer 9 and an outer panel from inside to outside. The heat conductivity coefficients of the inner polyurethane foam layer 7 and the outer polyurethane foam layer 9 are 0.023W/(m.K), so that the integral strength of the second heat-insulating door is ensured; the middle sandwich is a VIP vacuum insulation plate 8, the heat conductivity coefficient is 0.0025W/(m.K), the cold insulation performance is extremely high, and the cold energy released from the inner side of the refrigeration house to the outside through the second layer of heat insulation door is reduced; the loss of cold energy is reduced.
And a certain air gap is reserved between the first layer of cold storage door 11 and the second layer of heat preservation door. Actually, a temperature difference exists between the inner side of the refrigeration house and the outer side of the second-layer heat-insulating door, and a first temperature gradient is formed; a temperature difference exists between the inner side of the first layer of the cold storage door 11 and the outer side of the cold storage to form a second temperature gradient, so that two smaller temperature gradients are formed, and a large amount of condensed frost is reduced.
After the first layer of cold storage door 11 is closed, the first layer of cold storage door is sealed with the cold storage body 2 by the outer side sealing rubber strip 4; after the second layer of heat preservation door is closed, the third hard inner side sealing rubber strip 5 is sealed with the inner side of the second layer of heat preservation door. An electrically conductive and heat conductive film 10 is provided on the inside of the first layer of the cold store door 11 for melting the frost present.
The above-mentioned embodiments are only used for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, the scope of the present invention should not be limited by the embodiment, that is, all equivalent changes or modifications made by the spirit of the present invention should still fall within the scope of the present invention.
Claims (10)
1. An ultra-low temperature cold storage door comprises a cold storage body, wherein a first layer of cold storage door is arranged on the outer side of the cold storage body; the second layer of heat preservation door is opposite to the first layer of cold storage door, and an air gap is formed between the second layer of heat preservation door and the first layer of cold storage door.
2. The ultra-low temperature cold store door according to claim 1, wherein the second layer of heat preservation door comprises an inner panel, a vacuum insulation panel and an outer panel in sequence from inside to outside.
3. An ultra-low temperature cold store door according to claim 2, wherein an inner polyurethane foam layer is provided between said inner face plate and said vacuum insulation panel.
4. An ultra-low temperature cold store door according to claim 2, wherein an outer polyurethane foam layer is provided between said outer panel and said vacuum insulation panel.
5. The ultra-low temperature refrigeration house door of claim 2, wherein the inner panel is a polymeric sheet.
6. The ultra-low temperature cold store door of claim 2, wherein said outer panel is a polymeric panel.
7. An ultra-low temperature refrigerator door according to claim 1, characterized in that a plurality of inner side sealing rubber strips are arranged between the second layer of heat preservation door and the refrigerator body.
8. The ultra-low temperature refrigeration house door of claim 7, wherein said inner sealant strip is a rigid sealant strip.
9. The ultra-low temperature refrigeration house door of claim 1, wherein an electrically conductive heat film is provided inside the first layer of refrigeration house door.
10. The ultra-low temperature cold store door of claim 1, wherein said air gap is in the range of 30mm to 100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920696191.8U CN209926716U (en) | 2019-05-16 | 2019-05-16 | Ultra-low temperature cold storage door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920696191.8U CN209926716U (en) | 2019-05-16 | 2019-05-16 | Ultra-low temperature cold storage door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209926716U true CN209926716U (en) | 2020-01-10 |
Family
ID=69090701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920696191.8U Active CN209926716U (en) | 2019-05-16 | 2019-05-16 | Ultra-low temperature cold storage door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209926716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254423A (en) * | 2020-10-29 | 2021-01-22 | 北京浩爽制冷工程科技有限公司 | Heat preservation door body of ultralow temperature type freezer |
-
2019
- 2019-05-16 CN CN201920696191.8U patent/CN209926716U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254423A (en) * | 2020-10-29 | 2021-01-22 | 北京浩爽制冷工程科技有限公司 | Heat preservation door body of ultralow temperature type freezer |
| CN112254423B (en) * | 2020-10-29 | 2022-07-29 | 北京浩爽制冷工程科技有限公司 | Heat preservation door body of ultralow temperature type freezer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102003860A (en) | Energy-saving refrigerator | |
| CN209926716U (en) | Ultra-low temperature cold storage door | |
| CN108332003A (en) | A kind of aerogel vacuum thermal insulation plate and its manufacturing process | |
| CN101539360A (en) | Novel freezer door | |
| WO2023208162A1 (en) | Refrigerator door having see-through window | |
| CN104590756B (en) | A kind of ultra-low temp | |
| CN209706408U (en) | A kind of vehicle-mounted semiconductor freezer that refrigeration and heating can be achieved at the same time | |
| CN209053264U (en) | A kind of polyurethane heat-insulation cold storage plate | |
| KR20110065885A (en) | Glass panel for transparent door of refrigerator | |
| CN205502372U (en) | Polyurethane cold -storage board | |
| CN201573523U (en) | Novel refrigerated vehicle rear door air bag sealing rubber strip | |
| CN204923650U (en) | Antifog structure of freezer | |
| CN203908180U (en) | Refrigerator door | |
| CN205185805U (en) | Composite door for car as a house | |
| CN202582004U (en) | Refrigerating appliance | |
| CN201908545U (en) | Heat insulation door | |
| CN208416302U (en) | A kind of high heat insulated side hang window | |
| CN209068841U (en) | A kind of color crystal glass energy-saving freezer | |
| CN214330372U (en) | Hollow glass supporting structure | |
| CN220017811U (en) | Side by side combination refrigerator | |
| CN213955750U (en) | High leakproofness refrigerator door seals | |
| CN206129044U (en) | Barrier film installation component of cavity glass door | |
| CN215565507U (en) | Fireproof heat-insulation energy-saving door and window structure | |
| CN204787554U (en) | Two body conversion type frozen storage cabinets with double containment foaming wherein crossbeam | |
| CN201104071Y (en) | Novel door of refrigerated container |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |