1. A refrigerated case, comprising:

the cabinet body comprises a table board and an accommodating cavity formed below the table board;

a box body placed above the table-board;

the cold storage piece comprises a containing box and a cold storage agent filled in the containing box, the containing box is arranged in the containing cavity, and the containing box is attached to the lower surface of the table top;

the refrigerating system comprises a cold guide pipe, the cold guide pipe is arranged on the lower surface of the accommodating box in an attached mode, and a refrigerant circulates in the cold guide pipe.

2. The refrigerated cabinet as claimed in claim 1, wherein the cabinet body further comprises a supporting body, the upper surface of the supporting body is recessed downwards to form a recessed space, the table top is provided as the bottom wall of the recessed space, the box body is placed in the recessed space, and the side surface of the recessed space and the lower part of the cold storage member are both filled with thermal insulation materials.

3. A refrigerated cabinet as claimed at claim 1 further comprising a temperature sensor disposed against an upper surface of the containment box.

4. A refrigerated cabinet as claimed at claim 1 wherein the cold conducting duct is arranged in a serpentine shape of a plurality of sections on the lower surface of the containment box.

5. A refrigerated cabinet as claimed at claim 1 wherein at least part of the table and the box are both of thermally conductive material, a storage space being enclosed within the box, the storage space being in heat exchange relationship with the coolant via the thermally conductive material.

6. A refrigerated cabinet as claimed in claim 5 further comprising a cover which covers the storage space.

7. A refrigerated cabinet according to claim 1 wherein the cold storage agent is provided as an inorganic salt compound.

8. A refrigerated cabinet as claimed at claim 1 wherein the cabinet includes a plurality of shelves, the cold conduction pipes under the shelves are arranged in parallel, and the refrigeration system further includes a valve for controlling the on or off of the cold conduction pipe of each parallel branch.

9. A refrigerated cabinet as claimed at claim 1 wherein the refrigeration system further comprises a compressor, a condenser and a throttle means, the refrigerant flowing through the compressor, the condenser, the throttle means and the cold-conducting duct in sequence and flowing back to the compressor again.

10. A method of controlling a refrigerated cabinet as claimed at any one of claims 1 to 9 including the steps of:

acquiring the current temperature of the upper surface of the accommodating box;

when the current temperature is higher than a first preset value, operating the refrigeration system;

and when the current temperature is lower than a second preset value, stopping operating the refrigeration system.

Background

In restaurants and supermarkets, there are a lot of scenes in which refrigerated foods need to be placed, for example, vegetables, meats, fruits and the like which are selected by users are placed in a hot pot shop.

From the perspective of the user, the food materials need to be placed with a good display effect, and particularly, the food materials are convenient for the user to directly take. From the perspective of the merchant, the food is required to be stored at a proper temperature according to the types of different food materials, for example, the meat is prevented from deteriorating due to the fact that the temperature of the environment where the meat is located is too high, and the food is prevented from being frozen and spoiled due to the fact that the temperature of the environment where the fruits and vegetables are located is too low, so that the food is prevented from being sold.

The freezer under this scene need combine user demand and trade company's demand for eat material both with suitable temperature cold-stored, is in the state that the user of being convenient for took again all the time simultaneously, is the difficult problem that awaits the solution urgently.

Disclosure of Invention

In order to solve the problems in the prior art, the invention aims to provide a refrigerated cabinet which is convenient for a user to take and can refrigerate food materials at a proper temperature all the time.

In order to achieve the above object, according to an embodiment of the present invention, there is provided a refrigerator including:

the cabinet body comprises a table board and an accommodating cavity formed below the table board;

a box body placed above the table-board;

the cold storage piece comprises a containing box and a cold storage agent filled in the containing box, the containing box is arranged in the containing cavity, and the containing box is attached to the lower surface of the table top;

the refrigerating system comprises a cold guide pipe, the cold guide pipe is arranged on the lower surface of the accommodating box in an attached mode, and a refrigerant circulates in the cold guide pipe.

As a further improvement of the invention, the cabinet body further comprises a support body, the upper surface of the support body is recessed downwards to form a recessed space, the table top is arranged as the bottom wall of the recessed space, the box body is placed in the recessed space, and the side surface of the recessed space and the lower part of the cold storage part are both filled with heat insulation materials.

As a further improvement of the invention, the temperature sensor is also included, and the temperature sensor is arranged on the upper surface of the accommodating box in an abutting mode.

As a further improvement of the invention, the cold guide pipe is arranged on the lower surface of the containing box in a multi-section serpentine shape.

As a further improvement of the present invention, at least portions of the table top and the box body are made of heat conductive materials, an object placing space is enclosed in the box body, and the object placing space and the coolant exchange heat through the heat conductive materials.

As a further improvement of the invention, the storage rack further comprises a cover body, and the cover body is covered above the storage space.

As a further development of the invention, the coolant is provided as an inorganic salt compound.

As a further improvement of the present invention, the cabinet includes a plurality of tables, the cold conducting pipes under the plurality of tables are arranged in parallel, and the refrigeration system further includes a valve for controlling the on/off of the cold conducting pipe of each parallel branch.

As a further improvement of the present invention, the refrigeration system further includes a compressor, a condenser, and a throttling device, and the refrigerant flows through the compressor, the condenser, the throttling device, and the cold conducting pipe in sequence, and flows back to the compressor again.

In order to achieve one of the above objects, an embodiment of the present invention provides a method for controlling a refrigerator, including the steps of:

acquiring the current temperature of the upper surface of the accommodating box;

when the current temperature is higher than a first preset value, operating the refrigeration system;

and when the current temperature is lower than a second preset value, stopping operating the refrigeration system.

Compared with the prior art, the invention has the following beneficial effects: this freezer sets up cold storage spare in the below of mesa, lead cold pipe earlier to cold storage spare refrigeration, again by cold storage spare to the box body refrigeration, the temperature of cold storage spare is convenient for control in a stable interval, be favorable to maintaining the invariant of temperature in the box body, and for leading cold pipe, there is bigger area of contact between cold storage spare and the mesa, can refrigerate more fast more evenly to each position of box body, and cold storage spare has the effect of storage cold volume, can continuously release cold volume steadily to the box body, eat the material at the user and take, the in-process of outside heat constantly changing, can both refrigerate the box body steadily, this freezer's edible material show is convenient, and eat the material with the cold-stored of suitable temperature all the time.

Drawings

FIG. 1 is a schematic view of a refrigerated case according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a refrigerated case of one embodiment of the present invention;

FIG. 3 is a schematic view of a cover-removing structure according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a cold storage member and a cold transfer tube according to an embodiment of the present invention;

100, a refrigerated cabinet; 10. a cabinet body; 11. a table top; 12. a recessed space; 13. a support body; 20. a box body; 21. an object placing space; 30. a cold storage member; 31. accommodating the box; 40. a cold conducting pipe; 50. a cover body.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.

It will be understood that terms used herein such as "upper," "above," "lower," "below," and the like, refer to relative positions in space and are used for convenience in description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

An embodiment of the invention provides a refrigerated cabinet which is convenient for a user to take and can refrigerate food materials at a proper temperature all the time, and the requirements of merchants and users are met.

To clearly express the position and direction described in the present embodiment, the direction of gravity is defined as lower, and the opposite direction is defined as upper, so that the direction toward the user is front, and the opposite direction is defined as rear, and the food material is located above the box 20.

The utility model provides a refrigerated cabinet 100, as shown in fig. 1 ~ 4, including the cabinet body 10, box body 20, cold-storage piece 30 and refrigerating system, the cabinet body 10 includes mesa 11, and form the chamber that holds below mesa 11, box body 20 is placed in mesa 11 top, cold-storage piece 30 is including holding box 31, and fill in the coolant who holds in box 31, it sets up in holding the intracavity to hold box 31, it pastes the lower surface that sets up in mesa 11 to hold box 31, refrigerating system is including leading cold tube 40, it pastes and sets up in the lower surface that holds box 31 to lead cold tube 40, lead and lead the interior refrigerant that flows through of cold tube 40.

The user can place the edible material in box body 20, and box body 20 can directly support and hold in mesa 11, can place a plurality of box bodies 20 on a mesa 11, and box body 20 and mesa 11 slope are towards the user forward, are convenient for show the edible material in the box body 20 to the user. The accommodation box 31 is filled with the coolant, so that the cooling energy acquired from the cooling duct 40 on the lower surface of the accommodation box 31 is directly transmitted to the upper surface of the accommodation box 31 and then transmitted into the box body 20.

Further, the cabinet body 10 is still including supporting body 13, the upper surface undercut of supporting body 13 forms sunk space 12, mesa 11 sets up the diapire into sunk space 12, box body 20 is placed in sunk space 12, insulation material is all filled to the side of sunk space 12 and the below of cold-storage piece 30, when producing this freezer 100, can paste mesa 11, cold-storage piece 30 and lead cold pipe 40 in proper order and lean on the setting fixed back, foam to it, improve its heat preservation effect, avoid leaking cold from the below of mesa 11. In addition, as shown in FIG. 2,

and, mesa 11 and box body 20 at least part all set up to the heat conduction material, enclose in the box body 20 and put object space 21, put object space 21 and coolant and carry out the heat exchange through the heat conduction material, mesa 11 and box body 20 all can adopt metals such as stainless steel aluminium, transmit the cold volume in the cold-storage piece 30 to box body 20 inside more fast, combine other regional foaming material that all fill in the above-mentioned for cold volume can only upwards transmit.

In addition, the refrigerator 100 further includes a temperature sensor, the temperature sensor is attached to the upper surface of the accommodating box 31, the temperature detected by the temperature sensor, that is, the temperature of the cold storage member 30 for cooling the box body 20, by detecting the temperature, it is determined whether the cold storage member 30 needs to be cooled, so as to maintain the temperature of the cold storage member 30 in a proper range, the temperature sensor may be disposed at an intermediate position with the cold storage member 30, or a plurality of cold storage members 30 are disposed at a plurality of different positions, and an average value of the temperature of the upper surface of the cold storage member 30 is obtained.

The cold conduction pipe 40 is arranged on the lower surface of the containing box 31 in a multi-section serpentine manner, as shown in fig. 4, the contact area between the cold conduction pipe 40 and the containing box 31 is increased, so that the temperature of each position at the bottom of the containing box 31 is uniform, and in the serpentine arrangement process, one cold conduction pipe 40 can refrigerate a plurality of cold accumulation members 30; the cold guide pipe 40, the cold accumulation piece 30 and the table top 11 are arranged in an attached mode, so that cold energy among all parts is directly transmitted, and the refrigeration efficiency is improved.

Further, the refrigerator 100 further includes a cover 50, and the cover 50 is disposed over the storage space 21, as shown in fig. 1 or fig. 2, so that the cooling capacity in the storage space 21 can be maintained not to be easily released to the outside, when a user needs to take the internal food, the cover 50 can be opened, a transparent window can be disposed on the surface of the cover 50, of course, the cover 50 may not be disposed, so that the cooling storage member 30 needs to be maintained in a proper temperature range more frequently, and fig. 3 is a schematic structural view after the cover 50 is removed.

The coolant sets up to inorganic salt compound, the freezing point of inorganic salt compound is less than 0 degree, can control the temperature of coolant and maintain the interval within range of the temperature below zero, the temperature interval of the coolant of this embodiment sets up to-8 degrees centigrade to 2 degrees centigrade between, hold box 31 in addition and choose low temperature resistant HDPE plastics for use, be in certain temperature interval through controlling the coolant, make the temperature of box body 20 also maintain in stable interval, it is favorable to keeping fresh to eat the material in stable temperature interval, promote the quality and the taste of food, the sales volume has further been improved.

Further, the cabinet 10 includes a plurality of tables 11, the cold conducting pipes 40 under the plurality of tables 11 are arranged in parallel, and the refrigeration system further includes a valve for controlling the on/off of the cold conducting pipe 40 of each parallel branch. Same set of refrigerating system can supply a plurality of mesa 11 to use, can place the edible material of different grade type in the box body 20 of every mesa 11 tops, for example place vegetables in some box body 20, some meat of placing, the cold-stored temperature that general meat needs is less than the vegetables, so through control flap, make the cold pipe 40 circulation of leading of meat below longer time, the cold pipe 40 circulation of leading of vegetables below shorter time, thereby realize that one set of refrigerating system supplies cold to a plurality of mesas 11 with the temperature interval of difference.

The refrigerating system also comprises a compressor, a condenser and a throttling device, wherein the refrigerant sequentially flows through the compressor, the condenser, the throttling device and the cold guide pipe 40 and flows back to the compressor again, the position of the cold guide pipe 40 is equivalent to the position of a pipeline of an evaporator of the refrigerator, the refrigerant absorbs external heat at the position to be liquefied, the temperature of the cold accumulation part 30 is reduced, the temperature of the cold guide pipe 40 is generally lower than-20 ℃, the storage environment required by food materials is about 0 ℃, if the cold guide pipe 40 is directly attached to the table top 11, the temperature of the table top 11 is too low, the food is frozen, and therefore the cold accumulation part 30 is used as intermediate buffer to adjust cold quantity.

The embodiment provides a control method of a refrigerated cabinet 100, which comprises the following steps:

acquiring the current temperature of the upper surface of the housing box 31;

when the current temperature is higher than a first preset value, operating the refrigerating system;

and when the current temperature is lower than a second preset value, stopping operating the refrigeration system.

The temperature of the upper surface of the accommodating box 31 can be used as a reference for acquiring cold quantity from the box body 20, the temperature of the upper surface of the accommodating box 31 is controlled in a proper temperature interval, the temperature in the box body 20 can be controlled in the proper temperature interval, in the control method, the current temperature is limited between a first preset value and a second preset value, when the temperature is higher, the refrigeration system is controlled to cool the refrigerant in the cold guide pipe 40, when the temperature is lower, the refrigeration of the box body 20 is stopped, and after the temperature of the box body 20 is raised at room temperature, the refrigeration is carried out.

Compared with the prior art, the embodiment has the following beneficial effects:

this freezer 100 sets up cold accumulation piece 30 in the below of mesa 11, lead cold pipe 40 earlier to cold accumulation piece 30 refrigeration, again by cold accumulation piece 30 to box body 20 refrigeration, the temperature of cold accumulation piece 30 is convenient for control in a stable interval, be favorable to maintaining the invariant of temperature in the box body 20, and for leading cold pipe 40, there is bigger area of contact between cold accumulation piece 30 and the mesa 11, can refrigerate more fast more evenly to each position of box body 20, and cold accumulation piece 30 has the effect of storage cold volume, can continuously release cold volume steadily to box body 20, eat the material is taken to the user, the in-process of outside heat constantly change, can both refrigerate box body 20 steadily, this freezer 100's edible material show is convenient, and all the time with the edible material of the cold-stored each type of suitable temperature, accord with trade company and user's demand.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.