CN214731052U - Constant temperature experiment is with fresh-keeping case - Google Patents

Abstract

The utility model relates to a fresh-keeping box for constant temperature experiment, which comprises a fresh-keeping box, the fresh-keeping box comprises a box body I, a box body II is arranged in the box body I, a heat insulation material is arranged between the box body I and the box body II, the lower bottom surface of the box cover is connected with a fan, a semiconductor refrigerator is arranged on the fresh-keeping box, the semiconductor refrigerator comprises a hot end and a cold end, the cold end is connected with the inner wall of the box body II, the hot end is connected with the outer wall of the box body I, the inner wall of the box body II is provided with a temperature sensor, the outer wall of the box body I is provided with a display screen for displaying the temperature in the fresh-keeping box, a control module is electrically connected with the temperature sensor and a second control switch, the control module controls the semiconductor refrigerator to run according to the temperature data of the temperature sensor, the temperature constancy of the fresh-keeping box is realized, the fan is arranged on the box cover, so that air in the preservation box can circulate, and the temperature of each position in the preservation box can be kept consistent.

Description

Constant temperature experiment is with fresh-keeping case

Technical Field

The utility model relates to a fresh-keeping case technical field, in particular to constant temperature experiment is with fresh-keeping case.

Background

In daily life, people store food in order to keep the fresh common fresh-keeping box of food, and the fresh-keeping box can prevent that moisture from giving off, plays sealed effect, prevents that food from losing original delicate flavour when storing, can keep apart the air moreover, prevents food oxidation, simultaneously, can keep certain low temperature, prevents that the high temperature from leading to food rotten. Because the variety, production place, growth climate and other factors of the storage object are different, in order to obtain an optimal storage state of a certain product, the optimal storage state needs to be put into the same preservation environment for experiment under different states of the same product, for example, disinfected fruits and non-disinfected fruits are put into a preservation box at the same time, and the preservation effect is compared after a period of time.

And current fresh-keeping case is in order to guarantee that the incasement temperature generally all airtight setting, and fresh-keeping case cools down through refrigerating plant, but, when the food that fresh-keeping incasement put into is more, because the air of fresh-keeping incasement does not circulate, leads to being close to the food temperature of refrigerating plant one side lower, and the food temperature of keeping away from refrigerating plant one side is higher, and fresh-keeping effect is not good, consequently, needs the constant temperature experiment to solve above-mentioned problem with fresh-keeping case.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the airtight setting of current fresh-keeping incasement space, the air is not circulated, and the food temperature that leads to being close to refrigerating plant one side is lower, and the food temperature of keeping away from refrigerating plant one side is higher, and the problem that fresh-keeping effect is not good provides the constant temperature experiment with fresh-keeping case.

The technical scheme of the utility model is that:

the method comprises the following steps:

the preservation box is hinged with a box cover, the lower surface of the box cover is connected with a fan, and the fan is connected with the power supply module through a first control switch;

the semiconductor refrigerator is arranged on the preservation box and comprises a hot end and a cold end, the cold end is connected with the inner wall of the preservation box, the hot end is connected with the outer wall of the preservation box, and the semiconductor refrigerator is connected with the power supply module through a second control switch;

the temperature sensor is arranged on the inner wall of the fresh-keeping box;

and the control module is electrically connected with the temperature sensor and the second control switch and is used for controlling the starting and stopping of the semiconductor refrigerator according to the temperature in the preservation box.

Preferably, the fresh-keeping box comprises a box body I, a box body II is arranged in the box body I, and a heat-insulating material is arranged between the box body I and the box body II.

Preferably, the insulation material is aerogel felt.

Preferably, the refrigerator further comprises a radiator arranged outside the box body I, connected with the hot end of the semiconductor refrigerator and used for radiating heat for the hot end.

Preferably, the heat sink is a heat dissipation fan.

Preferably, the fans are uniformly distributed on the box cover, and the semiconductor refrigerators are uniformly distributed on the preservation box.

Preferably, the mounting hole has been seted up on the case lid, and the fan setting is in the mounting hole, and one side that the mounting hole deviates from box II inside is connected with the ventilation pipe, and the one end intercommunication that the fan was kept away from to the ventilation pipe has the cooling case, and the vent that is used for the air admission is seted up to one side that deviates from the ventilation pipe on the cooling case.

Preferably, a water tank is arranged in the cooling tank, an atomizing nozzle is arranged on the water tank, the water inlet end of the atomizing nozzle is arranged at the inner bottom of the water tank, and the water outlet end of the atomizing nozzle is arranged outside the water tank and inside the cooling tank.

Preferably, the vent tube is a bellows.

Compared with the prior art, the utility model provides a constant temperature is fresh-keeping case for experiments, its beneficial effect is:

1. the utility model discloses well control module realizes the constancy of temperature of fresh-keeping case according to temperature sensor's temperature data control semiconductor refrigerator operation, sets up the fan on the case lid, can make the circulation of air in the fresh-keeping incasement, can make air conditioning flow to the corner of fresh-keeping incasement and fall, improves the fresh-keeping effect of fresh-keeping case.

2. The fan passes through the ventilation pipe and the cooling case intercommunication, when guaranteeing the circulation of air, guarantees that the air conditioning in the fresh-keeping incasement does not scatter and disappear to can also send into fresh-keeping case with moisture, further improve fresh-keeping effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a left-side sectional view of the overall structure of the present invention;

fig. 3 is a sectional view of the cooling box of the present invention.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings 1 to 3, but it should be understood that the scope of the present invention is not limited by the following detailed description.

Example 1

As shown in figures 1 and 3, the utility model provides a fresh-keeping box for constant temperature experiment, including fresh-keeping box, fresh-keeping box includes box I1, be provided with box II3 in the box I1, be provided with insulation material 2 between box I1 and the box II, box I1 is last to articulate has case lid 4, the lower bottom surface of case lid 4 is provided with fan 5, fan 5 is connected through first control switch and power module, be provided with semiconductor refrigerator 6 on the fresh-keeping box, semiconductor refrigerator 6 includes hot junction 9 and cold junction 11, cold junction 11 and the interior wall connection of box II3, hot junction 9 and the outer wall connection of box I1, it is connected through second control switch and power module, is provided with temperature sensor 14 on the box II3 inner wall, is provided with the display screen 7 that is used for showing the temperature in the fresh-keeping incasement on the box I1 outer wall, and control module is connected with temperature sensor 14, second control switch electricity for open and stop according to the temperature control semiconductor cooler 6 in the box.

During the use, semiconductor cooler 6 is used for keeping fresh the incasement and refrigerates, and control module makes fresh-keeping incasement keep the constancy of temperature according to the start-up of semiconductor cooler 6 of temperature data real time control of temperature sensor 14, sets up fan 5 on case lid 4, and fan 5 is not connected with the outside air, and fan 5 is connected with the power module electricity, makes the circulation of air in the fresh-keeping incasement.

In order to improve the refrigerating performance of the semiconductor refrigerator 6, the semiconductor refrigerator further comprises a radiator 10, wherein the radiator 10 is a radiating fan and is arranged outside the box I1 and connected with the hot end 9 of the semiconductor refrigerator 6 for radiating heat for the hot end 9.

Further, the heat insulation material 2 is aerogel felt, so that heat exchange between air inside and outside the preservation box is avoided, and the preservation effect is improved.

Furthermore, a plurality of fans 5 are uniformly distributed on the box cover 4, and a plurality of semiconductor refrigerators 6 are uniformly distributed on the preservation box.

Working principle of the embodiment

This use is novel when using, in the fresh-keeping case is put into to the food that will need keep fresh, open second control switch, make semiconductor refrigerator 6 begin to operate, semiconductor refrigerator 6's cold junction 11 is located box II3, setting according to control module, reduce the temperature in box II3, hot junction 9 is located outside box I1, hot junction 9 is connected with radiator fan, make semiconductor refrigerator 6 have better refrigeration effect, and simultaneously, be provided with fan 5 on the inside case lid of box II3, open fan 5's switch, make the circulation of air in the box II3, blow to each position in box II3 with the cold wind of cold junction 11 department, make the food of each position in the box II3 can both be in under the same temperature environment, better fresh-keeping effect has.

Example 2

On the basis of the embodiment 1, in order to prevent the fan 5 from taking away the moisture on the food to blow the food dry, a mounting hole is formed in the box cover 4, the fan 5 is arranged in the mounting hole, one side of the mounting hole, which is far away from the interior of the box body II3, is connected with the ventilation pipe 13, one end, which is far away from the fan 5, of the ventilation pipe 13 is communicated with the cooling box 8, one side, which is far away from the ventilation pipe 13, of the cooling box 8 is provided with a ventilation opening 12 for air to enter, the air in the cooling box can be circulated with the outside air, substances such as ethylene and the like generated on one food can be prevented from flowing onto other foods, the freshness of the other foods can be reduced, the cooling box 8 is used for cooling the air input into the cooling box, the direct heat exchange between the air in the safety box and the air outside the safety box can be avoided, a water tank 15 is arranged in the cooling box 8, an atomizing nozzle 16 is arranged on the water tank 15, the water inlet end of the atomizing nozzle 16 is arranged at the inner bottom of the water tank 15, go out the water end setting in 15 outsides of water tank and inside cooling box 8, like this, just can cool down the air through atomizing water, make the air temperature who gets into fresh-keeping case lower to can bring the moisture into fresh-keeping case, can improve the new freshness of food.

Further, the ventilation pipe 13 is a bellows pipe so as not to affect the opening and closing of the lid 4.

Working principle of the embodiment

When the utility model is used, food needing to be preserved is put into the preservation box, the second control switch is opened to enable the semiconductor refrigerator 6 to start running, proper temperature is set through the control module, the temperature sensor in the preservation box transmits real-time temperature signals to the control module, the control module controls the semiconductor refrigerator 6 to run according to the temperature in the preservation box to enable the preservation box to be stable and constant, the first control switch is opened simultaneously to enable the fan 5 to run and keep the air circulation in the preservation box, meanwhile, one side of the fan 5, which is far away from the preservation box 5, is connected with the cooling box 8 through the ventilation pipe, the water tank 15 and the atomizing spray head 16 are arranged in the cooling box 8, the air temperature is reduced through atomized water, the heat exchange between the air in the preservation box and the air outside the preservation box is avoided, moisture is input into the preservation box simultaneously, and the phenomenon that the moisture in the food is brought out by the fan 5 to cause the food to lose moisture, the preservation effect of the preservation box is improved.

To sum up, compared with the prior art, the utility model discloses well control module is according to temperature sensor's temperature data control semiconductor refrigerator operation, realizes the constancy of temperature of fresh-keeping case, sets up the fan on the case lid, can make the circulation of air of fresh-keeping incasement, makes the temperature of fresh-keeping case each position the same, the food of keeping away from the cold junction also has fine fresh-keeping effect, the fan passes through ventilation pipe and cooling box intercommunication, when guaranteeing the circulation of air, the moisture of the food of assurance fresh-keeping incasement is not lost to can also improve fresh-keeping effect.

The above disclosure is only for the preferred embodiments of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.

Claims (9)

1. Constant temperature is fresh-keeping case for experiments, its characterized in that includes:

the fresh-keeping box is hinged with a box cover (4), the lower surface of the box cover (4) is connected with a fan (5), and the fan (5) is connected with the power supply module through a first control switch;

the semiconductor refrigerator (6) is arranged on the preservation box and comprises a hot end (9) and a cold end (11), the cold end (11) is connected with the inner wall of the preservation box, the hot end (9) is connected with the outer wall of the preservation box, and the semiconductor refrigerator (6) is connected with the power supply module through a second control switch;

the temperature sensor (14) is arranged on the inner wall of the preservation box;

and the control module is electrically connected with the temperature sensor (14) and the second control switch and is used for controlling the starting and stopping of the semiconductor refrigerator (6) according to the temperature in the preservation box.

2. The preservation box for the constant temperature experiment as claimed in claim 1, wherein the preservation box comprises a box body I (1), a box body II (3) is arranged in the box body I (1), and a heat preservation material (2) is arranged between the box body I (1) and the box body II.

3. The fresh-keeping box for constant temperature experiment as claimed in claim 2, characterized in that the thermal insulation material (2) is aerogel felt.

4. The preservation box for constant-temperature experiments as claimed in claim 1, characterized by further comprising a radiator (10) arranged outside the box body I (1) and connected with the hot end (9) of the semiconductor refrigerator (6) for radiating heat for the hot end (9).

5. The fresh-keeping box for constant temperature experiment as claimed in claim 4, wherein the heat radiator (10) is a heat radiation fan.

6. The preservation box for constant-temperature experiments as claimed in claim 1, wherein a plurality of fans (5) are uniformly distributed on the box cover (4), and a plurality of semiconductor refrigerators (6) are uniformly distributed on the preservation box.

7. The preservation box for the constant-temperature experiment as claimed in claim 1, wherein a mounting hole is formed in the box cover (4), the fan (5) is arranged in the mounting hole, a ventilation pipe (13) is connected to one side of the mounting hole, which is far away from the interior of the box body II (3), one end, which is far away from the fan (5), of the ventilation pipe (13) is communicated with the cooling box (8), and a ventilation opening (12) for air to enter is formed in one side, which is far away from the ventilation pipe (13), of the cooling box (8).

8. The fresh-keeping box for the constant temperature experiment as claimed in claim 7, wherein a water tank (15) is arranged in the temperature-reducing box (8), an atomizing nozzle (16) is arranged on the water tank (15), a water inlet end of the atomizing nozzle (16) is arranged at the inner bottom of the water tank (15), and a water outlet end is arranged outside the water tank (15) and inside the temperature-reducing box (8).

9. Fresh-keeping box for constant temperature experiments according to claim 7, characterized in that the ventilation pipe (13) is a corrugated pipe.

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