CN111543824B

CN111543824B - Cold-hot conversion display cabinet

Info

Publication number: CN111543824B
Application number: CN202010287876.4A
Authority: CN
Inventors: 李晓贺; 薛建智; 关钥; 高迎彬; 王岱
Original assignee: Aucma Co Ltd
Current assignee: Aucma Co Ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2021-06-08
Anticipated expiration: 2040-04-14
Also published as: CN111543824A

Abstract

The invention discloses a cold-heat conversion display cabinet.A table board is arranged in a box body, and a push-pull air door is arranged on the table board; the PTC heating wire is arranged in the heating chamber at the rear side of the first chamber and used for providing circulating heat for the display cabinet; the upper parts of the two evaporation fans can transfer the heat generated by the PTC heating wires downwards; the lower evaporation fan can transmit the cold energy generated by the evaporator upwards. The invention has the advantages that the table board is additionally arranged in the compartment of the display cabinet, the upper space of the compartment can be divided into heating areas, the PTC heating wires are arranged in the heating chamber to provide circulating heat for heating, different requirements of independent heating, independent refrigeration and simultaneous refrigeration and heating of the display cabinet are realized by opening and closing the air door, and the purpose of mutually converting different functions of the display cabinet is achieved; air-cooled air heat circulation is adopted for refrigeration and heating, so that the temperature is quickly raised, and the refrigeration and heating efficiency of the display cabinet is greatly improved.

Description

Cold-hot conversion display cabinet

Technical Field

The invention relates to the technical field of display cabinets, in particular to a cold-heat conversion display cabinet.

Background

At present, most of display cabinet products in the market are refrigeration display cabinets, and are used for refrigerating food or drinks in summer; in winter, the refrigeration system is not suitable to be started, so that the display cabinet with the single refrigeration function has low utilization rate in areas with obvious changes in four seasons. A few of display cabinets have a cold-heat conversion function, and cold-heat conversion is performed in a multi-way reversing valve mode, namely, the functions of refrigeration and heating are realized by controlling the function exchange between an evaporator and a condenser through a reversing valve.

The existing cold-hot conversion display cabinet has the following problems:

1. only can be independently refrigerated or independently heated, and the requirement of cold and hot simultaneous operation of customers with special requirements cannot be met;

2. only the front glass door can be used for displaying the effect, and the two sides are of metal plate structures, so that the display area is small.

3. Slow temperature raising and low refrigerating and heating efficiency.

Disclosure of Invention

The invention discloses a cold-heat conversion display cabinet, which aims to solve the technical problem that the existing display cabinet cannot carry out refrigeration and heating at the same time.

In order to achieve the purpose, the invention adopts the following technical scheme:

a cold-to-heat conversion display case comprising:

the cabinet body is characterized in that the interior of the chamber is divided into a first chamber at the upper part and a second chamber at the lower part through a table panel, and a shelf is arranged in the second chamber;

the table top board is internally provided with two air doors which can be pushed and pulled;

the compressor is arranged at the bottom of the cabinet body and is positioned at the rear side of the second chamber;

the evaporator is arranged in the second chamber and is connected with the compressor;

the condenser is arranged in the middle of the cabinet body and is positioned at the rear side of the first compartment;

the condensation fan is arranged in the middle of the cabinet body and at the rear side of the condenser;

the PTC heating wire is arranged in the heating chamber at the rear side of the first chamber and is used for providing circulating heat for the display cabinet;

the upper evaporation fan is arranged right above the PTC heating wire and can transfer heat generated by the PTC heating wire downwards; the evaporation fan at the lower part is arranged above the evaporator and can transfer the cold energy generated by the evaporator upwards.

As a further preferable mode of the present invention, the table panel is in a hollow structure form, and a cavity of the table panel is communicated with the heating chamber, and the table panel divides an inner space of the cabinet body into a heating region and a refrigerating region.

Preferably, the cabinet body is provided with glass side plates on both left and right sides, and a sheet metal plate is arranged on the outer sides of the glass side plates.

As a further preferred feature of the present invention, the air duct partition board is further included, and when the air duct partition board is used for independent cooling, the air duct partition board is inserted into the slot on the heating air duct, and when the air duct partition board is used for independent heating, the air duct partition board is inserted into the slot on the cooling air duct.

As a further optimization of the invention, a temperature controller is also arranged on one side of the cover body on the upper part of the cabinet body, the temperature controller realizes the setting and adjustment of the temperature in the cabinet body, the highest temperature of the heating area is controlled to be 55 ℃, and the temperature range of the refrigerating area is controlled to be 0-10 ℃.

As a further preferred aspect of the present invention, an electronic lock is further installed on the top of the glass door of the cabinet.

As a further preferred aspect of the present invention, when cooling and heating are simultaneously performed, the air door on the deck plate is closed, the deck plate divides the inside of the cabinet into an upper heating area and a lower cooling area, during operation, the upper evaporation fan transfers heat generated by the PTC heater strip downward into the cavity of the deck plate, and then transfers the heat upward through the air outlet at the top, the hot air rises due to low molecular density to form a heat cycle, meanwhile, the lower evaporation fan transfers cold generated by the evaporator upward to the air outlet at the top of the cooling air duct, the cold air passes through the air inlet on the shelf, and the cold air sinks due to high molecular density to form a cold cycle.

As a further optimization of the invention, under the condition of only needing refrigeration, the air door is opened to communicate the two compartments, the compartments in the cabinet body are all cold storage areas, at the moment, the air duct partition plate is inserted into the clamping groove on the heating air duct, the refrigeration system is started to work, the evaporation fan at the lower part transmits the cold energy generated by the evaporator upwards, the cold air enters the compartments through the air outlet at the top of the refrigeration air duct and the air outlet at the front end of the countertop in the air duct due to the blocking effect of the air duct partition plate, and the cold air sinks due to the high molecular density to form cold circulation.

As a further preferred aspect of the present invention, in the case of only heating, the air door is opened to communicate the two compartments, the compartments inside the cabinet are heated, at this time, the air duct partition is inserted into the slot on the cooling air duct, the heating system is started to operate, the evaporation fan at the upper portion transfers the heat generated by the PTC heater downward, due to the blocking effect of the air duct partition, the hot air enters the compartments through the air outlets at the top of the heating air duct and the cooling air duct in the air duct, and the hot air rises due to the low molecular density, thereby forming a thermal cycle.

The beneficial effect of the invention is that,

1. the platform panel is additionally arranged in the compartment of the display cabinet, the upper space of the compartment can be divided into heating areas, the PTC heating wires are arranged in the heating chambers to provide circulating heat for heating, different requirements of independent heating, independent refrigeration and simultaneous refrigeration and heating of the display cabinet are met by opening and closing the air doors, a user can open or close the air doors on the platform panel according to actual requirements, after different positions of the air channel partition plate are adjusted, air is enabled to carry out cold circulation or heat circulation according to an appointed line, and then the purpose of mutual conversion of different functions of the display cabinet is achieved by controlling the refrigeration system, the heating system or the simultaneous refrigeration and heating system.

2. Air-cooled air heat circulation is adopted for refrigeration and heating, so that the temperature is quickly raised, and the refrigeration and heating effects are better.

3. The left and right sides of the cabinet body all adopt hollow glass curb plate, have increased the show area of show cupboard as far as, have promoted the rate of exhibition of product.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the installation of the cooling air duct and the heating air duct in the present invention;

FIG. 4 is a schematic structural view of FIG. 3 with the heating air duct and the cooling air duct hidden;

FIG. 5 is a schematic view showing the case of cooling alone in the present embodiment;

FIG. 6 is a schematic view showing a case of heating alone in the present embodiment;

fig. 7 is a schematic view of the case of simultaneous cooling and heating in the present embodiment.

FIG. 8 is a schematic view of the structure of the table top in this embodiment;

FIG. 9 is a schematic view of the damper configuration of FIG. 8.

Wherein, 1-compressor; 2-an evaporator; 3-a condensing fan; 4-a condenser; 5-a table panel; 6-PTC heating wire; 7-an evaporation fan; 8-air duct partition board; 9-glass side plate; 10-an electronic lock; 11-a glass door; 12-temperature controller; 13-heating air duct; 14-a refrigeration air duct; 15-air door.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in the figure, the cold-heat conversion display cabinet disclosed by the invention comprises the following components:

the cabinet body, inside is separated for the first room on upper portion and the second room of lower part through the deck plate, under the condition of refrigeration alone, open the air door, the first room on upper portion and the second room of lower part are opened and are cold-stored region, install the shelf in the above-mentioned second room, install two air doors 15 on the deck plate 5, for the box that keeps warm, above-mentioned deck plate 5 can be with the cabinet body divide into two parts from top to bottom, when needs refrigeration and heat simultaneously, close it through sliding air door 15, the conduct heating region of upper portion uses, the lower part then uses as cold-stored region, make this show cupboard realize cold and hot conversion function.

And the compressor 1 is arranged at the bottom of the cabinet body and is positioned at the rear side of the second chamber.

And an evaporator 2 disposed inside the second compartment and connected to the compressor 1.

And the condenser 4 is arranged in the middle of the cabinet body and is positioned at the rear side of the first chamber.

And the condensation fan 3 is arranged at the middle part of the cabinet body and at the rear side of the condenser 4.

And the PTC heating wire 6 is arranged in the heating chamber at the rear side of the first chamber and is used for providing circulating heat for the display cabinet.

The upper evaporation fan 7 is arranged right above the PTC heater strip 6, and can transfer heat generated by the PTC heater strip 6 downwards; the lower evaporation fan 7 is arranged above the evaporator and can transmit the cold energy generated by the evaporator 4 upwards.

Particularly, the table panel 5 is in a hollow structure form, and a cavity in the front of the table panel 5 is communicated with the heating chamber, when the refrigerator works, heat can be transferred through the cavity of the table panel 5, and the table panel 5 divides the inner space of the cabinet body into a heating area and a refrigerating area.

In particular, the left side and the right side of the cabinet body are both provided with glass side plates 9, the glass side plates 9 are of a hollow structure, in order to ensure the strength, sheet metal plates are arranged on the outer sides of the glass side plates 9, patterns can be printed on the sheet metal plates in a silk-screen mode, pictures can also be pasted on the sheet metal plates, and the cabinet body is attractive and firm.

Particularly, the air duct partition plate 8 is further included, when the air duct partition plate is used for independent cooling, the air duct partition plate 8 is inserted into a clamping groove in the heating air duct 13, and when the air duct partition plate is used for independent heating, the air duct partition plate 8 is inserted into a clamping groove in the cooling air duct 14. The heating air duct 13 and the cooling air duct 14 are respectively provided with a clamping groove for inserting the air duct partition plate 8.

When refrigeration and heating are carried out simultaneously, the air door is closed, the air channel partition plate 8 is inserted into the clamping groove on the heating air channel 13, the evaporation fan 7 at the upper part transfers the heat generated by the heating wire 6 from the air channel downwards into the table top plate 5, and hot air enters the heating chamber upwards from the air outlet hole at the front end of the table top plate 5 to form heat circulation; the evaporation fan 7 at the lower part sucks cold air generated by the evaporator 2 upwards to an air outlet at the upper part of the refrigeration air duct 14, and cold air enters the refrigerating chamber from the air outlet to form a cold cycle.

When heating alone, open air door 15, insert in the draw-in groove on refrigeration wind channel 14 with wind channel baffle 8, the evaporation fan 7 on upper portion transmits the heat that heater strip 6 produced downwards to wind channel baffle 8 department from the wind channel, because the blockking of wind channel baffle 8, hot-blast can't circulate in the wind channel, just enters into two rooms from the air outlet that heats wind channel 13 and refrigeration wind channel 14 upper portion, reaches the effect that the box heated.

When refrigerating alone, open air door 15, insert in the draw-in groove on the air flue 13 that heats with wind channel baffle 8, the evaporation fan 7 of lower part upwards inhales wind channel baffle 8 department with the cold air that evaporimeter 2 produced, because the blockking of air flue baffle 8, cold wind can't circulate in the air flue, just gets into two rooms from the air outlet of refrigeration wind channel 14 upper portion and the air outlet department of deck plate 5 front end, reaches the refrigerated effect of box.

Particularly, the glass door 12 is further installed on one side of the cover body on the upper portion of the cabinet body, the temperature inside the cabinet body is set and adjusted through the glass door 12, the highest temperature of the heating area is controlled to be 55 ℃, the temperature range of the refrigerating area is controlled to be 0-10 ℃, the temperatures of the heating area and the refrigerating area are set, different products can be placed in the heating area and the refrigerating area respectively, and the actual temperature requirements of the internal products are met through the setting of the temperature ranges.

Specially, electronic lock 10 is still installed at the top of the glass door 11 of the above-mentioned cabinet body, and the structure and the form of electronic lock all adopt among the prior art can, accessible cell-phone APP sweeps the sign indicating number and opens the cabinet door, and is convenient laborsaving.

Particularly, when the refrigeration and heating are performed simultaneously, as shown in fig. 7, the air door 15 is closed, the table panel 5 divides the inside of the cabinet into an upper heating area and a lower refrigerating area, when the refrigerator works, the upper evaporation fan 7 transfers the heat generated by the PTC heater strip 6 downwards into the cavity of the table panel 5, the air duct partition plate 8 is inserted into the clamping groove on the heating air duct 13 and then transferred upwards through the air outlet at the front end of the table panel 5, and the hot air rises due to low molecular density to form a heat cycle; meanwhile, the evaporation fan 7 at the lower part upwards transmits the cold energy generated by the evaporator 2 to the air outlet at the top of the refrigeration air duct 14, the cold air passes through the air inlet on the shelf, and the cold air sinks due to the high molecular density of the cold air to form cold circulation.

Particularly, only need under the refrigerated condition, as shown in fig. 5, open air door 15, the internal compartment of cabinet is cold-stored region, refrigerating system starts the work, heating system does not start, and air duct baffle 8 inserts in the draw-in groove on heating air duct 14, and at this moment, the evaporating fan 7 of lower part upwards transmits the cold volume that evaporimeter 2 produced to the air outlet at refrigeration air duct 14 top and the exhaust vent of deck plate 5 front end, and cold air is because molecular density is big, and cold air sinks, forms cold cycle.

Particularly, under the condition that only heating is needed, as shown in fig. 6, the air door 15 is opened, the compartments in the cabinet are all heating areas, the refrigeration system is not started, the heating system is started to work, the air duct partition plate 8 is inserted into the clamping groove on the refrigeration air duct 14, the evaporation fan 7 at the upper part downwards transfers the heat generated by the PTC heating wire 6 to the air outlets at the upper parts of the heating air duct 13 and the refrigeration air duct 14, and hot air rises due to small molecular weight to form heat circulation.

The invention is improved on the basis of the prior art, the table panel 5 is additionally arranged in the compartment of the display cabinet, two heat preservation boxes 15 which can slide back and forth, namely air doors, are arranged in the compartment, the upper space of the compartment can be divided into heating areas, and the PTC heating wires 6 are arranged in the heating chambers to provide circulating heat for heating, so that different requirements of independent heating, independent refrigerating and simultaneous refrigerating and heating of the display cabinet are met, when cold and hot work simultaneously, the air doors are closed, the upper part is heated, and the lower part is refrigerated; when the air is cold or hot, the air door is opened and the upper chamber and the lower chamber are communicated. The user can be according to actual demand, through opening or closing the air door on the deck plate 5, after adjusting the different positions of wind channel baffle 8, make the air carry out cold cycle or thermal cycle according to the appointed circuit, and then through controlling refrigerating system, heating system or refrigeration heating system simultaneously, reach the purpose of the different function conversion of show cupboard.

The air-cooled air-heated circulation is adopted for both refrigerating and heating, so that the temperature is pulled more quickly, and the refrigerating and heating effects are better; in addition, the left side and the right side of the cabinet body are respectively provided with a hollow glass side plate 9, so that the display area of the display cabinet is increased as much as possible, and the display rate of products is improved; still install electronic lock 10 on this show cupboard, the user scans can automatic door opening, and is convenient laborsaving.

In addition, the hollow glass on the left side and the right side can also be made of materials with high light transmittance, such as acrylic plates and the like. The wind-cooling and wind-heating circulation can also adopt electric heating, direct cooling and other modes. The damper that slides manually on the table panel 5 may also be electrically driven by a driver.

The display cabinet can be widely applied to all food and beverage fields, such as bars, coffee houses and the like, and has the advantages of easy manufacture and small volume.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.

Claims

1. A cold-heat conversion display case, comprising:

the upper evaporation fan is arranged right above the PTC heating wire and can transfer heat generated by the PTC heating wire downwards; the evaporation fan at the lower part is arranged above the evaporator and can transmit the cold energy generated by the evaporator upwards;

when the refrigeration and heating are carried out simultaneously, an air door on the table board is closed, the table board divides the interior of the cabinet body into an upper heating area and a lower refrigerating area, when the refrigeration and heating are carried out simultaneously, an evaporation fan on the upper portion downwards transfers heat generated by the PTC heating wire into a cavity of the table board and then upwards transfers the heat through an air outlet on the top, hot air rises due to low molecular density to form a heat cycle, meanwhile, an evaporation fan on the lower portion upwards transfers cold generated by an evaporator to an air outlet on the top of a refrigeration air channel, cold air passes through an air outlet on a shelf, and cold air sinks due to high molecular density to form a cold cycle;

only under the condition of refrigeration, the air door is opened to enable the two compartments to be communicated, the compartments in the cabinet body are all cold storage areas, the air duct partition plate is inserted into the clamping groove on the heating air duct at the moment, the refrigeration system is started to work, the evaporation fan at the lower part transmits the cold energy generated by the evaporator upwards, cold air enters the compartments through the air outlet at the top of the refrigeration air duct and the air outlet at the front end of the table panel in the air duct due to the blocking effect of the air duct partition plate, and the cold air sinks due to high molecular density to form cold circulation;

and under the condition of only needing heating, the air door is opened to enable the two chambers to be communicated, the chambers in the cabinet body are heating regions, the air channel partition plate is inserted into the clamping groove on the refrigerating air channel, the heating system is started to work, the evaporation fan at the upper part transfers heat generated by the PTC heating wire downwards, hot air enters the chambers through the air outlets at the tops of the heating air channel and the refrigerating air channel in the air channel due to the blocking effect of the air channel partition plate, and hot air rises due to small molecular density to form heat circulation.

2. The cooling-heating conversion display cabinet as claimed in claim 1, wherein the top plate has a hollow structure, and the cavity of the top plate is communicated with the heating chamber, and the top plate divides the inner space of the cabinet into a heating region and a refrigerating region.

3. The cooling-heating conversion display cabinet as claimed in claim 1, wherein the cabinet body is provided with glass side plates at both left and right sides thereof, and a metal plate is provided at an outer side of the glass side plates.

4. The cabinet as claimed in claim 1, further comprising a duct partition, wherein the duct partition is inserted into the slot of the heating duct when cooling alone, and the duct partition is inserted into the slot of the cooling duct when heating alone.

5. The cold-heat conversion display cabinet as claimed in claim 1, wherein a temperature controller is further installed on one side of the cover body on the upper portion of the cabinet body, the temperature controller realizes setting and adjustment of the temperature inside the cabinet body, the maximum temperature of the heating region is controlled to be 55 ℃, and the temperature of the refrigerating region is controlled to be in the range of 0-10 ℃.

6. A cooling-to-heating conversion display case as claimed in claim 1, wherein an electronic lock is further installed on the top of the glass door of the case body.