CN210107837U - Super-ice-temperature fresh-keeping device - Google Patents
Super-ice-temperature fresh-keeping device Download PDFInfo
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- CN210107837U CN210107837U CN201920607013.3U CN201920607013U CN210107837U CN 210107837 U CN210107837 U CN 210107837U CN 201920607013 U CN201920607013 U CN 201920607013U CN 210107837 U CN210107837 U CN 210107837U
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Abstract
The utility model discloses a super ice temperature device that keeps fresh, including main part and apron, the main part include air cycle chamber, ice thick liquid chamber and food storage chamber, food storage chamber one side opening, ice thick liquid chamber is equipped with the sunken of supplying food storage chamber embedding, the air cycle chamber is equipped with the sunken of supplying ice thick liquid chamber embedding, the mode sealing connection in chamber is stored with switching food to the apron in the main part, the ice thick liquid intracavity is filled there is freezing point regulator, be provided with more than one ventilation hole on the air cycle chamber, be provided with the fan in the ventilation hole, insulation material is all wrapped up to the surface of air cycle chamber and apron. The utility model discloses utilize freezing point regulator heat absorption phase transition and do not change the characteristics of temperature itself, maintain the constancy of temperature in food storage chamber, the temperature fluctuation is little, and control accuracy is high, easily realizes storing the super ice temperature of fresh products.
Description
Technical Field
The utility model relates to a food storage fresh-keeping technology, concretely relates to super ice temperature fresh-keeping device.
Background
With the improvement of living standard of people, the quality requirement of people on food is higher and higher. The super-freezing temperature technology is based on the freezing temperature technology, stores the food below a freezing point by more than a damage point, ensures the original organization structure and flavor of the food compared with the traditional freezing storage at-18 ℃, can effectively prolong the storage period of the food compared with the freezing temperature technology, and is the development direction of the future high-quality food preservation technology.
The existing super-ice temperature technology mostly adopts an air cooling mode to realize circulating temperature control, the refrigeration equipment adopting the temperature control mode needs to be subjected to periodical defrosting treatment, so that the fluctuation of indoor temperature is large, food in a super-ice temperature state is greatly influenced by temperature, the stability is poor, and the food is easy to reach a food damage point to be frozen under the large temperature difference fluctuation, so that unnecessary cell tissue liquid flows out, and the taste of the food is influenced. On the other hand, most of the existing refrigeration equipment, such as household refrigerators, refrigerated trucks, cold stores and the like, stay in the stage of the traditional freezer cabinet, and the temperature control regulation mode of the existing refrigeration equipment cannot meet the control requirement of the technical temperature range of the super-ice temperature.
SUMMERY OF THE UTILITY MODEL
In order to solve the deficiency that prior art exists, the utility model provides a super ice temperature fresh-keeping device realizes the application of super ice temperature technique on traditional refrigeration plant, through adopting ice slurry constant temperature technique, realizes the accurate accuse temperature of food.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a super ice temperature device that keeps fresh, includes main part and apron, the main part include air cycle chamber, ice thick liquid chamber and food storage chamber, food storage chamber one side opening, the ice thick liquid chamber is equipped with the sunken of supplying food storage chamber embedding, the air cycle chamber is equipped with the sunken of supplying ice thick liquid chamber embedding, the mode sealing connection in the main part of apron in order to open and close food storage chamber, the ice thick liquid intracavity is filled there is freezing point regulator, be provided with the more than one ventilation hole on the air cycle chamber, be provided with the fan in the ventilation hole, the surface of air cycle chamber and apron all wraps up insulation material.
As an improvement of the utility model, the ice slurry cavity be from inside to outside the many intermediate layer cavity structures of arranging in proper order, do not communicate between each intermediate layer cavity, different intermediate layer intracavity are filled the freezing point regulator of different concentrations, and concentration reduces from inside to outside in proper order. The multi-interlayer cavity structure can realize the preparation of a multi-concentration freezing point regulator aqueous solution and realize the selection of a plurality of super-ice-temperature storage temperatures of the interlayer cavity
As an improvement of the utility model, the apron also be from inside to outside the many intermediate layer cavity structures of arranging in proper order, do not communicate between each intermediate layer cavity, and the freezing point regulator that intermediate layer cavity number and each intermediate layer intracavity were filled corresponds the same with the ice slurry chamber.
As an improvement of the utility model, each interlayer cavity is internally provided with a foam metal material or a fin. The foam metal material is filled in the heat exchanger or the fins are arranged in the heat exchanger, so that the heat exchanger can play a role in strengthening heat exchange.
As an improvement of the utility model, the ventilation hole outside be equipped with the sliding door that can automatic switching, sliding door surface parcel insulation material. When the fan works, the sliding door is opened; when the fan does not work, the sliding door is closed, so that the device has no heat exchange with the outside and can be placed at will.
As an improvement of the utility model, the air circulation cavity is internally provided with a reinforced heat exchange structure. The reinforced heat exchange structure can reinforce the connection between the air circulation cavity and the ice slurry cavity and can also reinforce the heat exchange, so that cold air entering the air cavity can better exchange heat with the inner part of the ice slurry cavity, and the inner part of the ice slurry cavity can be quickly and uniformly cooled.
As an improvement of the utility model, the heat exchange strengthening structure is a fin close to one side of the ice slurry cavity.
As an improvement of the utility model, the air circulation intracavity portion is equipped with a vertical baffle and a plurality of horizontal baffle, is equipped with the flute venturi tube of admitting air and the flute venturi tube of giving vent to anger respectively in vertical baffle both sides, does not communicate between each horizontal air circulation chamber that a plurality of horizontal baffles formed, and the ventilation hole setting is at the tip of the flute venturi tube of admitting air and the flute venturi tube of giving vent to anger.
As an improvement of the utility model, the super ice temperature fresh-keeping device supporting have refrigeration plant, the super ice temperature fresh-keeping device is greater than 5cm with refrigeration plant's installation clearance.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the freezing point regulator has the advantages of maintaining the constant temperature of the food storage cavity, having small temperature fluctuation and high control precision by utilizing the characteristic that the freezing point regulator absorbs heat and changes phase without changing the temperature per se, and being easy to realize the super-ice temperature storage of fresh products.
2. The multi-interlayer cavity structure can realize the preparation of a multi-concentration freezing point regulator aqueous solution and realize the selection of a plurality of super-ice-temperature storage temperatures of the interlayer cavity.
Drawings
Fig. 1 is a schematic structural view of an ultra-ice-temperature fresh-keeping device according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an ice slurry chamber according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a cover plate according to a first embodiment of the present invention;
FIG. 4 is a flow chart of the control method of the super-ice-temperature fresh-keeping device of the present invention;
fig. 5 is a schematic structural view of an ultra-ice-temperature fresh-keeping device according to a second embodiment of the present invention;
FIG. 6 is a partial schematic view of the flute tubes of FIG. 5;
description of reference numerals: 11-an air circulation chamber; 12-ice slurry chamber; 121-sandwich chamber No. one; 122-sandwich cavity No. two; 123-sandwich cavity III; 13-a food storage cavity; 141-first fan; 151-one ventilation hole; 142-fan number two; 152-vent number two; 161-air inlet flute pipe; 162-outlet flute-shaped pipe; 171-horizontal partition; 172-vertical baffles; 181-inlet of flute tube; 182-flute-shaped tube air outlet holes; 2-cover plate; a No. 21-fourth cover plate interlayer cavity; 22-five cover plate interlayer cavity; 23-number six cover plate interlayer cavity.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example 1
As shown in fig. 1, the super-ice-temperature fresh-keeping device of the embodiment comprises a main body and a cover plate 2, wherein the main body comprises an air circulation cavity 11, an ice slurry cavity 12 and a food storage cavity 13. The food storage cavity 13 is a rectangular cavity with one side opened and is used for placing food to be stored in super-ice temperature. The ice slurry cavity 12 and the air circulation cavity 11 are both closed rectangular cavities, the ice slurry cavity 12 is provided with a recess for embedding the food storage cavity 13, the air circulation cavity 11 is provided with a recess for embedding the ice slurry cavity 12, and after the three cavities are fixed, the opening sides of the three cavities are parallel and level to form a rectangular body. The cover 2 is connected to the side of the main body having an opening for opening or closing the food storage chamber 13 by means of hinge or snap, and the specific structure can refer to the design of the refrigerator door.
The outer surfaces of the cover plate 2 and the air circulation cavity 11 are both wrapped with heat insulation materials, and a first ventilation hole 151 and a second ventilation hole 152 are respectively formed in two opposite side surfaces of the air circulation cavity 11. The first fan 141 is installed in the first ventilating hole 151, and the second fan 142 is installed in the second ventilating hole 152, wherein the first ventilating hole 151 and the second ventilating hole 152 are located at the positions close to the top surfaces of the corners of the two side surfaces as schematically shown in fig. 1 at the punching positions of the air circulation chamber 11, and the first fan 141 and the second fan 142 alternately operate. The super-ice temperature fresh-keeping device is matched with a refrigerating device, the mounting gap between the super-ice temperature fresh-keeping device and the refrigerating device is larger than 5cm, the refrigerating device provides cold air for refrigeration, and the cold air can be connected with the air circulation cavity 11 through a pipeline or an air chamber to form a refrigerating loop, so that the cold air outside the air circulation cavity 11 enters the air circulation cavity 11 under the suction of a working fan and is finally discharged from a ventilation opening of a non-working fan to complete the whole heat exchange process. The inside intensive heat transfer structures such as fin that are equipped with of air circulation chamber 11 both can consolidate the connection in air circulation chamber 11 and ice thick liquid chamber 12, can also strengthen the heat transfer for the cold air that advances air circulation chamber 11 better with the inside heat exchange in ice thick liquid chamber 12, realize the inside quick uniform cooling in ice thick liquid chamber 12. The two fans work alternately and fins are arranged inside the air circulation cavity 11, so that the uniform cooling inside the ice slurry cavity 12 is realized. The sliding doors for wrapping the heat insulation material are arranged outside the first ventilation hole 151 and the second ventilation hole 152, the sliding doors can be automatically opened or closed through a controller, and the sliding doors are closed under the condition that the first fan 141 and the second fan 142 do not work, so that the device does not have heat exchange with the outside.
The ice slurry cavity 12 is internally provided with an aqueous solution of a freezing point modifier and a foam metal material, and the foam metal material is used for increasing the heat conductivity coefficient of the solution in the ice slurry cavity 12, so that the internal part of the ice slurry cavity 12 is uniformly cooled. The foam metal material may also be replaced by heat dissipating fins.
As shown in fig. 2, the ice slurry chamber 12 in this embodiment takes the form of a sandwich as shown: the first interlayer cavity 121, the second interlayer cavity 122 and the third interlayer cavity 123 are sequentially arranged from outside to inside. As shown in fig. 3, the cover plate 2 in the present embodiment takes the form of a sandwich as shown: no. four apron intermediate layer chamber 21, No. five apron intermediate layer chamber 22 and No. six apron intermediate layer chamber 23 arrange from outside to inside in proper order. The purpose of designing a plurality of intermediate layer chambeies is for allotting the freezing point regulator aqueous solution of different concentrations at the intermediate layer intracavity portion of difference to realize a plurality of freezing point temperatures, can be according to the type of storing food, from the selection as super ice temperature storage temperature by oneself, and then realize super ice temperature fresh-keeping to multiple different food.
Foam metal materials are filled in each interlayer cavity of the ice slurry cavity 12 and each interlayer cavity of the cover plate 2, and the concentration of freezing point regulators in each interlayer cavity of the ice slurry cavity 12 is reduced from inside to outside in sequence. The concentration of the freezing point regulator in each interlayer cavity of the cover plate 2 is sequentially reduced from inside to outside and is correspondingly the same as that of the ice slurry cavity 12 from inside to outside. The freezing point regulator concentration setting and the crystallization temperature in each interlayer cavity of the ice slurry cavity 12 have a corresponding relation, taking a salt solution as an example, and the crystallization temperature of a sodium chloride solution is calculated according to a formula within a range of 0-30 percent: t ═ -36.97 (concentration)2-57.28 × (concentration) + 0.1037. The structural style of ice slurry cavity intermediate layer chamber and apron intermediate layer chamber has only been illustrated in the picture, the utility model discloses do not restrict the intermediate layer chamber number, can customize according to actual need.
The following explains the control method of the super-ice-temperature fresh-keeping device of the present invention, as shown in fig. 4, including the following steps:
step S1: user setting of super-ice-temperature storage temperature TSuper ice temperature；
Because the ice slurry cavity 12 contains a plurality of intermediate layer cavities, in different intermediate layer cavities, the aqueous solution of freezing point regulator concentration from high to low is equipped with in proper order from inside to outside, and to the super ice temperature fresh-keeping device of a fixed intermediate layer cavity number and freezing point regulator concentration, the super ice temperature storage temperature that the user can select is also fixed, take the salt solution as an example, in 0 ~ 30% concentration range, sodium chloride solution crystallization temperature computational formula: t ═ -36.97 (concentration)2-57.28 × (concentration) + 0.1037. The super-ice-temperature fresh-keeping device comprises three interlayer cavities, the concentration of the salt solution is 3.5%, 5% and 10% from outside to inside in sequence, the super-ice-temperature storage temperature which can be selected by a user is-1.9 ℃, -2.8 ℃ and-6 ℃, namely the super-ice-temperature storage temperature can be selected by the user according to food needs.
Step S2: obtaining the temperature T of the corresponding interlayer cavityIce slurry；
The utility model discloses the accessible arranges temperature sensor in each intermediate layer intracavity portion, acquires the ice slurry temperature of each intermediate layer intracavity, according to the super ice temperature storage temperature numerical value size that the user set up, corresponds the aqueous solution concentration in an intermediate layer, acquires the solution temperature in this intermediate layer intracavity through this interbedded temperature sensor.
Step S3: when the temperature T of the interlayer cavityIce slurryAbove user set temperature TSuper ice temperatureWhen + Δ t, the routine proceeds to step S4;
step S4: the fans shown in this embodiment work alternately;
step S5: when the temperature T of the interlayer cavityIce slurryBelow a user set temperature TSuper ice temperatureAt Δ t, go to step S6;
step S6: the fan shown in this embodiment is stopped.
The utility model discloses adopt return difference control mode to super ice temperature storage temperature control, wherein return difference value delta t can refer to 0.1 ~ 0.3 ℃, and the benefit of doing so can be effectively with near super ice temperature storage temperature (delta t's fluctuation range) that intermediate layer chamber ice slurry temperature control set up at the user. When selectedInterlayer cavity temperature TIce slurryAbove user set temperature TSuper ice temperatureAnd + delta t indicates that the temperature of the interlayer cavity does not reach the temperature set by the user at the moment, the solution in the interlayer cavity is in a liquid phase state, and the fan needs to be continuously turned on to send the cold air outside the super-ice temperature device into the air circulation cavity 11 for cooling. When the selected temperature T of the interlayer cavityIce slurryBelow a user set temperature TSuper ice temperatureDelta T, the solution in the interlayer cavity is completely frozen, the fan for cooling the interlayer cavity can be turned off, and the whole super-ice temperature fresh-keeping device enters a heat preservation state until the temperature T of the interlayer cavity is detectedIce slurryIs again higher than the user-set temperature TSuper ice temperatureAnd when the temperature rises to be + delta t, the fan starts to work again, and in the temperature rising process, the solution in the interlayer cavity can experience a long period of ice-water mixing state, so that the temperature can be accurately controlled to be the super-ice-temperature storage temperature set by a user.
Example 2
As shown in fig. 5 and 6, the super-ice temperature fresh-keeping device is different from the embodiment 1 in that: the structure and air intake mode of the air circulation chamber 11. In this embodiment, the super-ice-temperature fresh-keeping device is cylindrical, and a plurality of horizontal partition plates 171 and a vertical partition plate 172 are disposed in the air circulation chamber 11. An air inlet flute-shaped pipe 161 and an air outlet flute-shaped pipe 162 are respectively arranged on two sides of the vertical partition plate 172, and the directions of flute holes for air inlet or air outlet on the pipe bodies of the air inlet flute-shaped pipe and the air outlet flute-shaped pipe are opposite. The vertical partition 172 is provided to allow the inlet flute tube 161 and the outlet flute tube 162 to communicate only in one direction, and the vertical partition 172 may be eliminated if the outer wall of the flute tube directly contacts the inner wall of the air circulation chamber 11. The horizontal air circulation chambers formed by the horizontal partition plates 171 are also not communicated with each other, and each horizontal air circulation chamber corresponds to at least one flute hole. The cold air outside the device enters the air inlet flute-shaped pipe 161 from the flute-shaped pipe air inlet hole 181, then enters the air circulation cavity 11 from a plurality of air outlet holes (flute holes) distributed on the air inlet flute-shaped pipe 161, exchanges heat along the circumference in the air circulation cavity 11, and then is discharged from the air outlet flute-shaped pipe 162. In the present embodiment, the fan device for driving the movement of the cool air is not shown, and may be designed according to actual conditions.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention should be included within the scope of the present invention.
Claims (9)
1. The utility model provides a fresh-keeping device of super ice temperature, includes main part and apron, its characterized in that: the main part include air cycle chamber, ice thick liquid chamber and food storage chamber, food storage chamber one side opening, the ice thick liquid chamber is equipped with the sunken of the chamber embedding that supplies food storage, the air cycle chamber is equipped with the sunken of supplying ice thick liquid chamber embedding, the apron is in the main part with the mode sealing connection in switching food storage chamber, the ice thick liquid intracavity is filled with freezing point regulator, be provided with more than one ventilation hole on the air cycle chamber, be provided with the fan in the ventilation hole, the surface in air cycle chamber and apron all wraps up insulation material.
2. The super ice temperature fresh-keeping device according to claim 1, characterized in that: the ice slurry cavity is of a multi-interlayer cavity structure which is sequentially arranged from inside to outside, the interlayer cavities are not communicated, freezing point regulators with different concentrations are filled in different interlayer cavities, and the concentrations are sequentially reduced from inside to outside.
3. An ultra-ice-temperature fresh-keeping device according to claim 2, characterized in that: the cover plate is also of a multi-interlayer cavity structure which is sequentially arranged from inside to outside, all interlayer cavities are not communicated, and the number of the interlayer cavities and the freezing point regulator filled in each interlayer cavity are the same as those of the ice slurry cavity.
4. A super ice temperature fresh-keeping apparatus as claimed in claim 2 or 3, wherein: foam metal materials or fins are arranged in each interlayer cavity.
5. The super ice temperature fresh-keeping device according to claim 1, characterized in that: the outside of the ventilation hole is provided with a sliding door which can be automatically opened and closed, and the surface of the sliding door is coated with a heat insulation material.
6. The super ice temperature fresh-keeping device according to claim 1, characterized in that: the air circulation cavity is internally provided with a heat exchange strengthening structure.
7. An ultra-ice-temperature fresh-keeping device according to claim 6, characterized in that: the heat exchange enhancement structure is a fin close to one side of the ice slurry cavity.
8. The super ice temperature fresh-keeping device according to claim 1, characterized in that: the air circulation chamber is internally provided with a vertical partition plate and a plurality of horizontal partition plates, an air inlet flute-shaped pipe and an air outlet flute-shaped pipe are respectively arranged on two sides of the vertical partition plate, the horizontal air circulation chambers formed by the horizontal partition plates are not communicated, and the ventilation holes are formed in the end parts of the air inlet flute-shaped pipe and the air outlet flute-shaped pipe.
9. The super ice temperature fresh-keeping device according to claim 1, characterized in that: the super-ice-temperature fresh-keeping device is matched with a refrigerating device, and the installation gap between the super-ice-temperature fresh-keeping device and the refrigerating device is larger than 5 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920607013.3U CN210107837U (en) | 2019-04-29 | 2019-04-29 | Super-ice-temperature fresh-keeping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920607013.3U CN210107837U (en) | 2019-04-29 | 2019-04-29 | Super-ice-temperature fresh-keeping device |
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| Publication Number | Publication Date |
|---|---|
| CN210107837U true CN210107837U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920607013.3U Active CN210107837U (en) | 2019-04-29 | 2019-04-29 | Super-ice-temperature fresh-keeping device |
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| CN (1) | CN210107837U (en) |
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- 2019-04-29 CN CN201920607013.3U patent/CN210107837U/en active Active
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