CN219141207U - Negative pressure precooling warehouse - Google Patents
Negative pressure precooling warehouse Download PDFInfo
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- CN219141207U CN219141207U CN202222580727.4U CN202222580727U CN219141207U CN 219141207 U CN219141207 U CN 219141207U CN 202222580727 U CN202222580727 U CN 202222580727U CN 219141207 U CN219141207 U CN 219141207U
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- negative pressure
- compartment
- refrigeration house
- frame body
- refrigerator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The utility model discloses a negative pressure precooling warehouse, which relates to the technical field of precooling warehouses, and comprises a frame body, wherein a refrigeration warehouse compartment is arranged in the frame body; fans are embedded at two ends of the top of the refrigeration house; a sealing cover is buckled above the fan; one end of the refrigeration house compartment is provided with a refrigerating unit which is connected with the refrigeration house compartment through a pipeline; one end of the refrigerator compartment, which is far away from the refrigerating unit, is provided with a negative pressure pump; the negative pressure pump is connected with the refrigeration house carriage through a negative pressure pipe; when the refrigerator is used, after vegetables are filled into the refrigerator compartment, the refrigerator door is closed, then the negative pressure pump is opened, the negative pressure pump is utilized to pump air to the refrigerator compartment through the negative pressure pipe, the air in the refrigerator compartment is pumped out, the refrigerator compartment is in a negative pressure state, the pressure in the refrigerator compartment is observed through the appearance of pressure, after the proper pressure is reached, the refrigerator unit refrigerates the refrigerator compartment, and because the refrigerator compartment is in the negative pressure state, cold air can directly act on the vegetables to precool the vegetables, and the precooling efficiency of the vegetables is effectively improved.
Description
Technical Field
The utility model particularly relates to the technical field of precooling houses, in particular to a negative-pressure precooling house.
Background
The fruit and vegetable precooling mode mainly comprises vacuum precooling, differential pressure precooling, forced ventilation precooling, cold water precooling and ice precooling. The vacuum precooling is only suitable for precooling leaf vegetables, is not suitable for precooling fruit vegetables such as tomatoes and cucumbers, is not suitable for precooling fruits, has high precooling speed, can reach the precooling target temperature within 30 minutes generally, but needs a matched heat preservation warehouse, and has the water loss rate of about 3 percent after the vegetables are precooled.
Chinese patent application number 201120203075.1 discloses a fruit vegetables differential pressure pre-refrigeration house, including the storehouse body, the internal top of storehouse is provided with the air-cooler, and the air-cooler is connected through the refrigerant connecting pipe with the compressor unit that sets up outside the storehouse body, still is equipped with a differential pressure ventilation unit in the storehouse body, and differential pressure ventilation unit includes static pressure box and fan, is equipped with the spraying humidifier in the static pressure box. The pressure difference ventilation device is also provided with a porous wet film which is arranged between the fan and the spray humidifier.
When the existing precooling warehouse precools vegetables, a large amount of air flows in, and when the refrigerator is used for precooling the cold storage, the vegetables can be precooled after the inside air is precooled firstly, so that the precooling effect is poor and the efficiency is low; therefore, after the vegetables are filled in the cold storage, the negative pressure pump is used for pumping air out of the cold storage, so that the cold storage is in a negative pressure state, the air in the cold storage is extremely small, the cold storage is pre-cooled by the refrigerating unit, pre-cooled gas can directly act on the vegetables, the pre-cooling time of the air is shortened, and the pre-cooling efficiency of the vegetables is greatly improved.
Disclosure of Invention
The utility model aims to provide a negative pressure precooling house, which solves the technical problems that the existing precooling house provided in the prior art has a large amount of air inflow when precooling vegetables, and the vegetables can be precooled only after the inside air is precooled by a refrigerating unit when the vegetables are precooled by the refrigerating unit, so that the precooling effect is poor and the efficiency is low.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the negative pressure pre-refrigeration house comprises a frame body, wherein a refrigeration house compartment is arranged in the frame body; fans are embedded at two ends of the top of the refrigeration house compartment; a sealing cover is buckled above the fan; one end of the refrigeration house compartment is provided with a refrigerating unit, and the refrigerating unit is connected with the refrigeration house compartment through a pipeline; one end of the refrigerator compartment, which is far away from the refrigerating unit, is provided with a negative pressure pump; the negative pressure pump is connected with the refrigeration house carriage through a negative pressure pipe.
As a further technical scheme of the utility model, the frame body is a rectangular frame body formed by welding a plurality of angle irons, one end of the frame body provided with a refrigerating unit is provided with a water storage tank, and a grid plate is embedded above the water storage tank.
As a further technical scheme of the utility model, a plurality of diagonal bracing beams are welded on two sides of the frame body; and an industrial personal computer is fixedly arranged on one side of the frame body through bolts.
As a further technical scheme of the utility model, the fan, the refrigerating unit and the negative pressure pump are all connected with the industrial personal computer through wires.
As a further technical scheme of the utility model, the refrigeration house compartment is composed of light steel foam plates, and one side of the refrigeration house compartment is movably connected with a refrigeration house door through a hinge; the inner side of the refrigeration house door is adhered with a circle of sealing rings.
As a further technical scheme of the utility model, a pressure gauge is embedded at any position of the refrigeration house; an insulation layer is adhered to the inside of the refrigeration house compartment; the heat-insulating layer is a cement foaming heat-insulating plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the refrigerator is used, after vegetables are put into the refrigerator compartment, the refrigerator door is closed, then the negative pressure pump is opened, the refrigerator compartment is pumped by the negative pressure pump through the negative pressure pipe, the air in the refrigerator compartment is pumped out, the refrigerator compartment is in a negative pressure state, the pressure in the refrigerator compartment is observed through the appearance of the pressure, after the proper pressure is reached, the refrigerator compartment is refrigerated by the refrigerator unit, and because the refrigerator compartment is in the negative pressure state, cold air can directly act on the vegetables to precool the vegetables, so that the precooling efficiency of the vegetables is effectively improved;
2. according to the utility model, when negative pressure is pumped, the sealing cover is buckled above the fan, so that external air is prevented from entering, and the inner side of the refrigeration house door is bonded with a circle of sealing ring, so that the tightness of the refrigeration house compartment is effectively improved;
3. according to the utility model, after the vegetables are precooled, the vegetables are taken out, the refrigeration house door is opened, the sealing cover is disassembled, then air is conveyed to the refrigeration house compartment through the fan, peculiar smell in the refrigeration house door is blown out through air flow, and the residual smell in the refrigeration house door is reduced.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a right side view of fig. 1 in the present utility model.
Fig. 3 is a schematic plan view of the present utility model.
Fig. 4 is a cross-sectional view A-A of fig. 3 in accordance with the present utility model.
In the figure: 1-frame body, 2-refrigeration house carriage, 3-refrigeration house door, 4-diagonal bracing beam, 5-fan, 6-sealed cowling, 7-refrigerating unit, 8-grid plate, 9-negative pressure pipe, 10-negative pressure pump, 11-industrial computer, 12-heat preservation.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, in an embodiment of the present utility model, a negative pressure pre-refrigeration house includes a frame body 1, wherein a refrigeration house compartment 2 is disposed in the frame body 1; two ends of the top of the refrigeration house compartment 2 are embedded with fans 5; a sealing cover 6 is buckled above the fan 5; one end of the refrigeration house compartment 2 is provided with a refrigerating unit 7, and the refrigerating unit 7 is connected with the refrigeration house compartment 2 through a pipeline; one end of the refrigeration house compartment 2 far away from the refrigeration unit 7 is provided with a negative pressure pump 10; the negative pressure pump 10 is connected with the refrigeration house compartment 2 through a negative pressure pipe 9.
Through adopting above-mentioned technical scheme, when using, pack into freezer railway carriage or compartment 2 with vegetables after, close freezer door 3, open negative pressure pump 10 afterwards, utilize negative pressure pump 10 to bleed through negative pressure pipe 9 to freezer railway carriage or compartment 2, take out the inside air of freezer railway carriage or compartment 2 for freezer railway carriage or compartment 2 is in negative pressure state, observe the pressure in the freezer railway carriage or compartment 2 through the manometer, after reaching suitable pressure, refrigerating unit 7 refrigerates freezer railway carriage or compartment 2, because freezer railway carriage or compartment 2 is in negative pressure state, the air conditioning can directly act on vegetables on, precools vegetables, the effectual precooling efficiency that has improved vegetables.
In this embodiment, the frame 1 is a rectangular frame formed by welding a plurality of angle irons, a water storage tank is arranged at one end of the frame 1 provided with the refrigerating unit 7, and a grid plate 8 is embedded above the water storage tank.
Furthermore, the refrigerating unit 7 adopts a conventional refrigerating device for a refrigerator, so that the conventional refrigerating device is not accumulated based on the prior art, and a large amount of condensed water is generally generated when the refrigerating unit 7 works, so that a water storage tank is arranged on the frame body 1 so as to conveniently store the condensed water.
In this embodiment, a plurality of diagonal bracing beams 4 are welded on two sides of the frame body 1; and an industrial personal computer 11 is fixedly mounted on one side of the frame body 1 through bolts.
Specifically, since the frame body 1 is formed by welding a plurality of angle irons, the stability of the frame body is poor, and for this purpose, a plurality of diagonal bracing beams 4 are welded on both sides of the frame body 1 to enhance the overall stability of the frame body 1.
In this embodiment, the fan 5, the refrigerating unit 7 and the negative pressure pump 10 are all connected with the industrial personal computer 11 through wires.
By adopting the technical scheme, the on-off control of the fan 5, the refrigerating unit 7 and the negative pressure pump 10 is realized through the industrial personal computer 11, and the integral automatic control of the precooling warehouse is effectively improved.
In the embodiment, the refrigeration house compartment 2 is composed of light steel foam plates, and one side of the refrigeration house compartment 2 is movably connected with a refrigeration house door 3 through a hinge; a circle of sealing rings are bonded on the inner side of the cold storage door 3; a pressure gauge is embedded at any position of the refrigeration house carriage 2; the inside of the refrigeration house compartment 2 is adhered with an insulation layer 12; the heat preservation layer 12 is a cement foaming heat preservation plate.
Specifically, when negative pressure is pumped, the sealing cover 6 is buckled above the fan 5, so that external air is prevented from entering, and a circle of sealing ring is bonded on the inner side of the refrigeration house door 3, so that the tightness of the refrigeration house compartment 2 is effectively improved.
The working principle of the utility model is as follows: when the refrigerator is used, after vegetables are put into the refrigerator compartment 2, the refrigerator door 3 is closed, then the negative pressure pump 10 is opened, the negative pressure pump 10 is used for pumping air out of the refrigerator compartment 2 through the negative pressure pipe 9, the air in the refrigerator compartment 2 is pumped out, the refrigerator compartment 2 is in a negative pressure state, the pressure in the refrigerator compartment 2 is observed through the pressure gauge, after the proper pressure is reached, the refrigerator unit 7 is used for refrigerating the refrigerator compartment 2, and as the refrigerator compartment 2 is in the negative pressure state, the cold air can directly act on the vegetables to precool the vegetables, so that the precooling efficiency of the vegetables is effectively improved;
when negative pressure is pumped, the sealing cover 6 is buckled above the fan 5, so that external air is prevented from entering, and a circle of sealing rings are bonded on the inner side of the refrigeration house door 3, so that the tightness of the refrigeration house compartment 2 is effectively improved;
after the vegetables are precooled, the vegetables are taken out, the refrigeration house door 3 is opened, the sealing cover 6 is detached, air is then conveyed to the refrigeration house compartment 2 through the fan 5, peculiar smell in the refrigeration house door 3 is blown out through air flow, and the residual smell in the refrigeration house door 3 is reduced.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a freezer in advance of negative pressure which characterized in that: comprises a frame body (1), wherein a refrigeration house compartment (2) is arranged in the frame body (1); two ends of the top of the refrigeration house compartment (2) are embedded with fans (5); a sealing cover (6) is buckled above the fan (5); one end of the refrigeration house compartment (2) is provided with a refrigeration unit (7), and the refrigeration unit (7) is connected with the refrigeration house compartment (2) through a pipeline; one end of the refrigeration house compartment (2) far away from the refrigeration unit (7) is provided with a negative pressure pump (10); the negative pressure pump (10) is connected with the refrigeration house compartment (2) through a negative pressure pipe (9).
2. The negative pressure pre-cooler according to claim 1, wherein: the frame body (1) is a rectangular frame body formed by welding a plurality of angle irons, a water storage tank is arranged at one end of the frame body (1) provided with a refrigerating unit (7), and a grid plate (8) is embedded above the water storage tank.
3. The negative pressure pre-cooler according to claim 1, wherein: a plurality of diagonal bracing beams (4) are welded on two sides of the frame body (1); and an industrial personal computer (11) is fixedly arranged on one side of the frame body (1) through bolts.
4. A negative pressure pre-cooler according to claim 3, wherein: the fan (5), the refrigerating unit (7) and the negative pressure pump (10) are all connected with the industrial personal computer (11) through wires.
5. The negative pressure pre-cooler according to claim 1, wherein: the refrigerator compartment (2) is composed of light steel foam plates, and one side of the refrigerator compartment (2) is movably connected with a refrigerator door (3) through a hinge; the inner side of the cold storage door (3) is adhered with a circle of sealing ring.
6. The negative pressure pre-cooler according to claim 1, wherein: a pressure gauge is embedded at any position of the refrigeration house carriage (2); an insulation layer (12) is adhered to the inside of the refrigeration house compartment (2); the heat-insulating layer (12) is a cement foaming heat-insulating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222580727.4U CN219141207U (en) | 2022-09-28 | 2022-09-28 | Negative pressure precooling warehouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222580727.4U CN219141207U (en) | 2022-09-28 | 2022-09-28 | Negative pressure precooling warehouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219141207U true CN219141207U (en) | 2023-06-06 |
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ID=86595294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222580727.4U Active CN219141207U (en) | 2022-09-28 | 2022-09-28 | Negative pressure precooling warehouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219141207U (en) |
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2022
- 2022-09-28 CN CN202222580727.4U patent/CN219141207U/en active Active
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