Improved structure of salad cabinet

Abstract

The utility model relates to an improved structure of a salad cabinet, which comprises a cabinet body, a refrigerating system and a storage box, the refrigerating system comprises an evaporator, a compressor, an expansion valve and a condenser, the cabinet body 1 is provided with a refrigerating chamber and an equipment accommodating chamber, the evaporator is arranged in the refrigerating chamber, and the compressor, the expansion valve and the condenser are all arranged in the equipment accommodating chamber; the refrigerating chambers are provided with cabinet doors, and the cabinet doors are hinged to the cabinet body and used for opening or closing the corresponding refrigerating chambers. The equipment accommodating chamber is provided with a decorative plate, and the decorative plate is detachably arranged on the cabinet body and used for opening or closing the equipment accommodating chamber; the box body comprises an inner layer and an outer layer, a sealed hollow cavity is formed between the inner layer and the outer layer, the hollow cavity is filled with heat-conducting fluid or a high-heat-conductivity phase-change compound with the phase-change temperature ranging from 2 DEG C to 8 DEG C, it is guaranteed that the constant-temperature environment ranging from 2 DEG C to 8 DEG C can still be maintained when food materials are placed in the operation area, and the fresh-keeping effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to salad cabinet improved structure. BACKGROUND

[0002] With the improvement of people's demand for healthy diet, the cold salad as a kind of low-fat, nutrition-rich light food is favored by more and more consumers. In supermarkets, restaurants, self-service restaurants and other occasions, salad cabinet as a centralized display, preservation and self-service equipment has been widely used in catering and retail industry.

[0003] The traditional salad cabinet is usually composed of a cabinet, a refrigeration system and a storage tank, and the refrigeration system mainly includes a compressor, a condenser, an expansion valve and an evaporator, which realizes the control of the temperature in the cabinet through the circulation of refrigerant. The storage tank is usually an open type or a cold storage box with a lid, which is used to store cut vegetables, fruits and other food materials.

[0004] However, the existing salad cabinet still has the following shortcomings in practical application:

[0005] The existing storage box is usually made of single-layer metal or plastic material, which is difficult to achieve precise temperature control, and the food materials are prone to local overcooling or overheating, affecting the taste and preservation effect. INVENTION CONTENTS

[0006] The utility model aims at providing a kind of salad cabinet improved structure of high efficiency refrigeration, convenient dismounting.

[0007] The utility model aims at providing a kind of salad cabinet improved structure of high efficiency refrigeration, convenient dismounting.

[0008] A kind of salad cabinet improved structure, including cabinet, refrigeration system and storage box, the refrigeration system includes evaporator, compressor, expansion valve and condenser, the cabinet 1 is provided with cold storage room and equipment containing chamber, the evaporator is arranged in cold storage room, the compressor, expansion valve and condenser are all arranged in equipment containing chamber;

[0009] The cold storage room is provided with cabinet door, and the cabinet door is hinged on the cabinet for opening or closing the corresponding cold storage room;

[0010] The equipment containing chamber is provided with decorative plate, and the decorative plate is arranged on the cabinet in a detachable manner for opening or closing the equipment containing chamber;

[0011] The side wall of the equipment containing chamber corresponding to the decorative plate and the cabinet is spaced apart and provided with a heat dissipation hole, the top of the cabinet is provided with a salad operation area, and the salad operation area is spaced apart and provided with a hole communicating with the cold storage room;

[0012] The storage box includes a box body with an open top, and the top of the box body is provided with an outward turned edge, the box body is inserted into the hole until the outward turned edge abuts against the top of the cabinet, and the box body closes the hole.

[0013] The box body comprises an inner layer and an outer layer, and a sealed hollow cavity is formed between the inner layer and the outer layer, and the hollow cavity is filled with a high-thermal-conductivity phase-change compound or a heat-conducting fluid with a phase-change temperature of 2-8 DEG C.

[0014] The hollow cavity of the box body is filled with a high-thermal-conductivity phase-change compound or a heat-conducting fluid, thereby providing further local temperature buffering and ensuring that the food material can still maintain a constant temperature environment of 2-8 DEG C when placed in the operation area, and the fresh-keeping effect is improved.

[0015] The outer flange of the storage box is attached to the top plate of the cabinet body, thereby realizing the sealing of the hole of the box body, reducing the loss of cold energy, and improving the overall refrigeration efficiency.

[0016] The purpose of the utility model can also be solved by the following technical measures:

[0017] Further, the outer wall of the box body is provided with a plurality of aluminum alloy heat dissipation fins.

[0018] The plurality of aluminum alloy heat dissipation fins on the outer wall of the storage box strengthen the heat dissipation / heat storage effect of the high-thermal-conductivity phase-change compound or the heat-conducting fluid, accelerate the thermal response speed of the phase-change material, and improve the sensitivity and uniformity of temperature regulation.

[0019] Further, the inner layer is a 304 food-grade stainless steel plate with a thickness of 0.3-0.5 mm, and the outer layer is a food-grade engineering plastic injection molding piece with a thickness of 1.5-3 mm.

[0020] The 304 food-grade stainless steel inner layer with a thickness of 0.3-0.5 mm has excellent hygiene and thermal conductivity, and can quickly transfer cold energy to the phase-change cavity, and the food-grade engineering plastic outer layer with a thickness of 1.5-3 mm has good strength and heat insulation performance, thereby enhancing the mechanical strength of the box body and reducing the heat bridge effect.

[0021] Further, the food-grade engineering plastic injection molding piece is a polypropylene plastic shell or a polycarbonate plastic shell.

[0022] The polypropylene or polycarbonate plastic shell is used as the outer layer, and the impact resistance, low-temperature resistance and easy cleaning characteristics are considered, thereby ensuring the hygiene safety and anti-aging performance during long-term use.

[0023] Further, the heat-conducting fluid is a food-grade propylene glycol aqueous solution.

[0024] The food-grade propylene glycol aqueous solution used as the heat-conducting fluid not only has good low-temperature fluidity and thermal conductivity, but also can cooperate with the phase-change compound to realize more uniform cold energy transmission, thereby ensuring the same temperature fresh-keeping of the surface and the inside of the food material.

[0025] Further, the storage box further comprises a box cover, and the box cover is arranged on the top open port of the box body in a detachable manner.

[0026] The detachable box cover facilitates the user to open or close the storage box as needed, prevents cross contamination of food materials, facilitates cleaning and disinfection, and improves the convenience of use and maintenance.

[0027] Further, the bottom of the turned-up edge is provided with a sealing gasket, the box body is inserted into the hole until the turned-up edge abuts against the top of the cabinet, and the sealing gasket seals the gap between the turned-up edge and the top of the cabinet, thereby achieving the closure of the hole by the box body.

[0028] The sealing gasket at the bottom of the turned-up edge achieves airtight sealing between the box body and the top plate of the cabinet, blocks the entry of external hot air or water vapor, maximally reduces temperature fluctuation and cold loss, and further improves the freshness stability.

[0029] The utility model discloses the following beneficial effects:

[0030] The utility model discloses, storage box adopts multilayer structure design, utilizes food -grade propylene glycol aqueous solution as heat conducting medium, makes the cold of evaporator produce can high -efficient conduction to the 304 stainless steel plate of inner layer, to realize the quick cooling of food material to the whole refrigeration efficiency of promotion.

[0031] The utility model discloses, the heat conducting fluid filled in hollow cavity has good cold storage performance, can continuously release cold during the intermittent period of refrigeration, keeps the temperature stability in the box, effectively avoids the influence of temperature fluctuation to food quality.

[0032] The utility model discloses, inner layer material selects food -grade 304 stainless steel, and the shell is food -grade polypropylene plastic, and the whole structure meets the safety standard of food contact material, and good corrosion resistance and structural strength are simultaneously provided with, and it is safer, reliable to use.

[0033] The utility model discloses, storage box is equipped with sealing gasket, and the sealing property is good after storage box inserts the hole, prevents the cold air exhalation and the external contaminant to enter, and the box body, box cover can be convenient to detach simultaneously, and it is beneficial to clean and daily maintenance, more humanized. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is the schematic diagram of the improved structure of the salad cabinet.

[0035] Figure 2 It is the top view of the improved structure of the salad cabinet.

[0036] Figure 3 It is the A-A section view of Figure 2 .

[0037] Figure 4 It is the schematic diagram of the improved structure of the salad cabinet (one storage box and cabinet separate state).

[0038] Figure 5Schematic view of the improved structure of the salad cabinet (remove the cabinet door and the decorative plate).

[0039] Figure 6 Schematic view of the storage box.

[0040] Figure 7 Assembly view of the storage box.

[0041] Figure 8 Sectional view of the storage box.

[0042] Figure 9 B section of Figure 8 enlarged view. DETAILED DESCRIPTION

[0043] The utility model will be further described in connection with the drawings and embodiments:

[0044] Embodiments, in connection with Figures 1 to 9 shown, an improved structure of the salad cabinet, including cabinet 1, refrigeration system and storage box 2, the refrigeration system includes evaporator 3, compressor, expansion valve and condenser 100, the cabinet 1 is provided with refrigeration chamber 11 and equipment containing chamber 12, the evaporator 3 is arranged in refrigeration chamber 11, the compressor, expansion valve and condenser 100 are all arranged in equipment containing chamber 12;

[0045] The refrigeration chamber 11 is provided with cabinet door 111, and the cabinet door 111 is hinged on the cabinet 1 for opening or closing the corresponding refrigeration chamber 11;

[0046] The equipment containing chamber 12 is provided with a decorative plate 121, which is detachably arranged on the cabinet 1 for opening or closing the equipment containing chamber 12;

[0047] The decorative plate 121 and the side wall of the cabinet 1 corresponding to the equipment containing chamber 12 are both spaced apart and provided with heat dissipation holes 122, and the top of the cabinet 1 is provided with a salad operation area 4, and the salad operation area 4 is spaced apart and provided with a hole 200 communicating with the refrigeration chamber 11;

[0048] The storage box 2 includes a top-opened box body 21, and the top of the box body 21 is provided with an outward turning edge 22, the box body 21 is inserted into the hole 200 until the outward turning edge 22 abuts against the top of the cabinet 1, so that the box body 21 closes the hole 200;

[0049] The box body 21 includes an inner layer 300 and an outer layer 400, and a sealed hollow cavity 500 is formed between the inner layer 300 and the outer layer 400, and the hollow cavity 500 is filled with heat-conducting fluid.

[0050] Further, the inner layer 300 is a 304 food-grade stainless steel plate with a thickness of 0.3-0.5 mm, and the outer layer 400 is a food-grade engineering plastic injection molding piece with a thickness of 1.5-3 mm.

[0051] Further, the food-grade engineering plastic injection molding piece is a polypropylene plastic shell.

[0052] Further, the heat-conducting fluid is a food-grade propylene glycol aqueous solution.

[0053] Further, the storage box 2 further comprises a box cover 23 which is detachably arranged on the top open mouth of the box body 21.

[0054] Further, the bottom of the outer flange 22 is provided with a sealing gasket 5, and the box body 21 is inserted into the hole 200 until the outer flange 22 abuts against the top of the cabinet 1, and the sealing gasket 5 seals the gap between the outer flange 22 and the top of the cabinet 1, thereby realizing the closure of the hole 200 by the box body 21.

[0055] Method for rapidly cooling the storage box:

[0056] After the storage box 2 is placed in the hole 200 on the top of the salad cabinet, the evaporator 3 in the refrigeration chamber 11 starts to work to generate cold air and circulate in the refrigeration chamber 11. The cold air directly or indirectly contacts the polypropylene plastic shell of the outer layer 400 of the storage box 2 through the hole 200, so that the temperature of the polypropylene plastic shell is rapidly reduced. After the outer layer 400 is cooled, the cold energy is conducted to the inner layer 300 through the food-grade propylene glycol aqueous solution in the middle. The heat-conducting fluid has good heat conductivity and cold storage capacity, can rapidly absorb the cold energy transmitted from the outer layer 400, and uniformly transmit the cold energy to the 304 food-grade stainless steel plate of the inner layer 300.

[0057] After the temperature of the 304 food-grade stainless steel plate of the inner layer 300 is reduced, the 304 food-grade stainless steel plate directly contacts the food materials, so that the food materials are rapidly cooled, thereby ensuring the freshness and safety of the food materials.

[0058] The whole process realizes an efficient and multi-level heat transfer path from the cold air to the food materials, and the cooling is fast and the temperature is uniform.

[0059] In other embodiments, the outer wall of the box body 21 is provided with a plurality of aluminum alloy heat dissipation fins. The aluminum alloy heat dissipation fins on the outer wall of the storage box 2 directly contact the low-temperature air flow in the refrigeration chamber, and rapidly conduct the heat on the surface of the outer layer 400 of the storage box to the air in the refrigeration chamber.

[0060] In other embodiments, the hollow cavity 500 is filled with a high-thermal-conductivity phase change composite with a phase change temperature of 2-8°C.

[0061] In other embodiments, the food grade engineered plastic injection molded piece is a polycarbonate plastic shell.

Claims

1. A salad cabinet improved structure, comprising a cabinet body (1), a refrigeration system and a storage box (2), the refrigeration system comprising an evaporator (3), a compressor, an expansion valve and a condenser (100), the cabinet body (1) being provided with a refrigeration chamber (11) and an equipment accommodating chamber (12), the evaporator (3) being arranged in the refrigeration chamber (11), the compressor, the expansion valve and the condenser (100) being arranged in the equipment accommodating chamber (12); the refrigeration chamber (11) is provided with a cabinet door (111) hinged on the cabinet body (1) for opening or closing the corresponding refrigeration chamber (11); the equipment accommodating chamber (12) is provided with a decorative plate (121) detachably arranged on the cabinet body (1) for opening or closing the equipment accommodating chamber (12); the decorative plate (121) and the side wall of the cabinet body (1) corresponding to the equipment accommodating chamber (12) are both spaced apart and provided with heat dissipation holes (122), characterized in that: a salad operation area (4) is arranged on the top of the cabinet body (1), and the salad operation area (4) is spaced apart and provided with an opening (200) communicating with the refrigeration chamber (11); the storage box (2) comprises a box body (21) with an open top, the box body (21) is provided with an outward flange (22) on the top, and the box body (21) is inserted into the opening (200) until the outward flange (22) abuts against the top of the cabinet body (1), so as to close the opening (200) by the box body (21); the box body (21) comprises an inner layer (300) and an outer layer (400), and a sealed hollow cavity (500) is formed between the inner layer (300) and the outer layer (400), and the hollow cavity (500) is filled with a heat-conducting fluid or a high-thermal-conductivity phase-change composite with a phase-change temperature of 2-8℃.

2. The salad bar improvement structure according to claim 1, wherein: The outer wall of the box body (21) is provided with a plurality of groups of aluminum alloy heat dissipation fins.

3. The salad bar improvement structure according to claim 1, wherein: The inner layer (300) is a 304 food-grade stainless steel plate with a thickness of 0.3-0.5mm, and the outer layer (400) is a food-grade engineering plastic injection molding part with a thickness of 1.5-3mm.

4. The salad bar improvement according to claim 3, wherein: The food-grade engineering plastic injection molding part is a polypropylene plastic shell or a polycarbonate plastic shell.

5. The salad bar improvement structure according to claim 1, wherein: The heat-conducting fluid is a food-grade propylene glycol aqueous solution.

6. The salad bar improvement structure according to claim 1, wherein: The storage box (2) further comprises a box cover (23) detachably arranged on the open top of the box body (21).

7. The salad bar improvement structure according to claim 1, wherein: The bottom of the outward flange (22) is provided with a sealing gasket (5), the box body (21) is inserted into the opening (200) until the outward flange (22) abuts against the top of the cabinet body (1), the sealing gasket (5) seals the gap between the outward flange (22) and the top of the cabinet body (1), and the box body (21) closes the opening (200).

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