CN211823443U - Refrigeration temperature control type goods shelf - Google Patents

Abstract

The utility model relates to a refrigeration temperature control type goods shelf, which comprises a stand column, a middle support and a top layer support, wherein the stand column, the middle support and the top layer support form a goods shelf main body, the stand column, the middle support and the top layer support adopt a hollow sandwich structure as an air supply channel, and a small hole is arranged on the lower surface of each layer of support layer to form a hole plate air supply structure layer inside the goods shelf, and a jet hole is arranged outside the hole plate air supply structure layer; the fan has been arranged to the bottom space of goods shelves main part, the refrigeration coil pipe, the valve plate subassembly, the refrigerant lets in the valve plate subassembly and throttles into low temperature low pressure gas-liquid two-phase state, it evaporates to get into the refrigeration coil pipe again, the stand is sent into by the fan to the reduction of temperature behind the return air through the refrigeration coil pipe in the goods shelves, cold wind sends the support to respectively through the air supply stand, inside air supply aperture and the jet orifice that the rethread supported the lower surface send to goods shelves, make the inside air supply of goods shelves even and goods shelves both sides form the air curtain and carry out the temperature isolation, the inside air supply circulation of goods shelves carries.

Description

Refrigeration temperature control type goods shelf

Technical Field

The utility model relates to a freezer goods storage, especially a refrigeration accuse temperature type goods shelves.

Background

At present, goods shelves for general freezer are formed by the stainless steel welding, and simple structure only plays the support and bears the weight of the effect, and the goods is stacked and can influence each other on goods shelves and transfer heat, and the storage effect is not good. The goods shelves are placed in the whole cold storage, and due to uneven distribution of the temperature in the cold storage, the storage period of goods can be seriously influenced in a local over-high temperature area. In addition, the temperature in the refrigeration house can be maintained only, and goods with different optimal storage temperatures cannot be effectively distinguished.

At present, some cold stores use cold transfer goods shelves, the cross beams and the upright posts of which are provided with airflow channels for introducing cold air, and a support beam adopts a heat transfer conduit and is additionally provided with fins for transferring low temperature to goods; some cold storages adopt cold storage type goods shelves, the goods shelves are formed by welding hollow sections, and cold storage agent is directly injected into the sections to keep the low-temperature conduction environment of the goods shelves. Although the storage effect promotes to some extent, adopt heat-conduction mode efficiency lower, can not solve the goods and receive cold even problem to goods inside temperature is uncontrollable, can not keep apart with ambient temperature, can not solve the problem of temperature subregion. The display cabinet for the supermarket has a refrigeration function, and an air supply mode is adopted on each storage layer, but the structure is complex, the goods storage capacity is small, the display cabinet is only suitable for the display function, and is not suitable for the goods storage of the refrigeration house.

Such as a cold storage type movable shelf (patent publication No. CN 109431172A), a cold transfer shelf (grant publication No. CN 204535269U), a cold transfer shelf (grant publication No. CN 202660846U), an assembled refrigeration shelf (application publication No. CN 104739098A), etc. All the devices do not have refrigeration efficiency and cannot realize temperature partition controllability.

Disclosure of Invention

In order to ensure that the internal temperature of the goods shelf is uniform and can be independently controlled, and the storage period and the storage quality of goods in a refrigeration house are improved, the utility model provides a refrigeration temperature-controlled goods shelf, wherein an air supply interlayer and an air supply hole plate structure are adopted in the goods shelf, so that the internal air supply is uniform, and the temperature fluctuation is reduced; and the air curtain formed on the two sides isolates the internal temperature of the goods shelf from the internal ambient temperature in the warehouse, so that independent temperature control is realized, the requirements of different stored goods are met, and the goods storage period can be greatly prolonged.

In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a refrigeration accuse temperature type goods shelves, includes stand, mid-span support, top layer support, stand and mid-span support and top layer support constitute the goods shelves main part, its characterized in that: the upright posts, the middle supports and the top supports adopt hollow sandwich structures as air supply channels, small holes are formed in the lower surface of each supporting layer to form a hole plate air supply structure layer in the goods shelf, and jet holes are formed in the outer sides of the hole plate air supply structure layers; the fan has been arranged to the bottom space of goods shelves main part, the refrigeration coil pipe, the valve plate subassembly, the refrigerant lets in the valve plate subassembly and throttles into low temperature low pressure gas-liquid two-phase state, it evaporates to get into the refrigeration coil pipe again, the stand is sent into by the fan to the reduction of temperature behind the return air through the refrigeration coil pipe in the goods shelves, cold wind sends the support to respectively through the air supply stand, inside air supply aperture and the jet orifice that the rethread supported the lower surface send to goods shelves, make the inside air supply of goods shelves even and goods shelves both sides form the air curtain and carry out the temperature isolation, the inside air supply circulation of goods shelves carries out.

Furthermore, the upright posts, the middle support and the top support adopt hollow profiles of round pipes, square pipes or oval pipes as frames.

Furthermore, the open area of the jet hole is larger than that of the inner small hole, so that the air quantity can be increased, and meanwhile, the jet device is arranged at the outlet of the jet hole, so that the air speed can be improved to form jet air curtains on two sides of the goods shelf.

Furthermore, a path of refrigerant provided by the refrigeration house compression condensing unit is introduced into a goods shelf valve plate, and enters the coil pipe after throttling to evaporate and cool air returned into the goods shelf by the fan, so that cold energy is provided for the goods shelf;

further, independent compressor unit spare is arranged to the goods shelves and is replaced freezer compression condensing unit to supply liquid, accomplishes independent refrigeration cycle in goods shelves inside.

The utility model has the advantages that:

the refrigeration and temperature control type goods shelf can supply cold to the inside of the goods shelf through the air supply channel and the pore plate, ensure that the air supply in the storage space of the goods shelf is even, and can maintain the temperature fluctuation inside the goods shelf within +/-1 ℃; the internal temperature of the goods shelf and the internal environment temperature of the refrigeration house are effectively isolated by jet air supply at two sides formed by the jet small holes, the internal temperature of the goods shelf and the internal environment temperature difference of the refrigeration house can be controlled to be about 3-5 ℃, and the goods shelf has a refrigeration function and can realize the free adjustment of the internal storage temperature of the goods shelf.

Drawings

Fig. 1 is a schematic view of the refrigeration and temperature control type shelf structure of the present invention;

FIG. 2 is a top layer support of the view of FIG. 1;

FIG. 3 is a cross-sectional view of the intermediate support taken along line B-B of FIG. 1;

FIG. 4 is a front view of a shelf top layer supporting air supply holes and jet holes;

FIG. 5 is a cross-sectional view taken along A-A of FIG. 4;

FIG. 6 is a front view of a shelf middle support air supply hole and a jet hole;

FIG. 7 is a cross-sectional view taken along A-A of FIG. 6;

FIG. 8 is a schematic view of a shelf with an independent refrigeration function with the addition of a compressor;

fig. 9 to 10 are schematic views of shelves each having a plurality of compressors, valve plate assemblies, and refrigeration coils, and having different numbers of layers and different sizes.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and examples.

As shown in fig. 1 to 8, the refrigeration and temperature control type goods shelf of the present invention is mainly composed of a column 1, a middle support 2, a top support 3, a blast hole 8, a jet hole 4, a valve plate assembly 5, a refrigeration coil 6, a fan 7, and the like. Fig. 4, 5, 6 and 7 are schematic structural diagrams of shelf air supply holes 7 and jet holes 3.

The upright column 1, the middle support 2 and the top support 3 form a shelf main body, and the upright column 1, the middle support 2 and the top support 3 adopt a hollow sandwich structure as an air supply channel or adopt hollow sectional materials such as a round pipe, a square pipe and an oval pipe as a frame. And the lower surface of each supporting layer is provided with a small hole, as shown in figures 4-7, the outer side of the air supply layer is provided with a jet hole or a jet device. The space at the bottommost layer of the goods shelf is provided with a fan 7, a refrigerating coil 6, a valve plate assembly 5 and other parts, and a liquid outlet pipeline is led out from a compression condensing unit of a cold storage for cooling, so that the refrigerating function can be independently completed. A liquid outlet pipe led out by a compression condensing unit of a refrigeration house is connected into a valve plate component 5 to be throttled to be in a low-temperature low-pressure gas-liquid two-phase state, then the liquid outlet pipe enters a refrigeration coil 6 to be evaporated, the temperature of return air in a storage rack is reduced after passing through the refrigeration coil 6 and then is sent into a stand column 1 by a fan 8, cold air is respectively sent to an intermediate support 2 and a top layer support 3 through an air supply stand column 1, and the cold air is sent to the inside of the storage rack through an air supply hole 8 and a jet hole 4 on. The air supply holes 8 can guarantee that air supply inside the goods shelf is even, the jet holes 4 can guarantee that air curtains are formed on two sides of the goods shelf to carry out temperature isolation, and air supply circulation inside the goods shelf is to return air through supporting gaps between air supply interlayers.

The goods shelves can be made into different sizes according to goods volume demand, and the different number of storage layers can adopt schemes such as a plurality of compressors, a plurality of fans, a plurality of coil pipes, a plurality of valve plates, satisfy different load requirements in the freezer.

The utility model discloses a refrigeration accuse temperature type goods shelves compares the goods shelves structure that adopts in the cold store of present stage and has following characteristics:

1) the shelf upright post and the support adopt a hollow interlayer framework and can be used as an air supply channel;

2) a small hole is formed in the lower surface of the supporting layer to form a hole plate air supply structure in the goods shelf;

3) jet holes are formed in the two sides of the lower surface of the supporting layer, the opening area of each jet hole is larger than that of each small hole in the supporting layer, larger air quantity is guaranteed, a jet guiding device is installed to increase the air speed, and jet air curtains are formed on the two sides of the goods shelf;

4) the space of the bottom layer of the goods shelf is provided with a fan, a coil pipe, a valve plate assembly and other parts, a liquid outlet pipe led out from a compression condensing unit for cooling a refrigeration house is led into the valve plate of the bottom layer of the goods shelf, and a refrigerant generates throttling at the valve plate and becomes a low-temperature low-pressure two-phase state and then enters the coil pipe for evaporation to provide cold energy for the goods shelf;

5) the goods shelf can be provided with an independent compressor component, liquid supply of a condensing unit is compressed without a refrigeration house, and independent refrigeration circulation is completed inside the goods shelf;

therefore, compared with the prior art, the refrigeration and temperature control type shelf has the following advantages:

1) the air supply channel, the pore plate and the jet hole are used for supplying cold to the interior of the goods shelf, and the convection cold transfer effect formed in the interior of the goods shelf is far higher than the heat transfer effect;

2) the hole plate air supply can ensure that the air supply in each layer of goods storage space is uniform, the temperature fluctuation in each local storage space of the goods shelf is uniform, and the problem of nonuniform temperature distribution in the refrigeration house is solved;

3) the jet air holes can generate jet effects on two sides of the goods shelf, so that the internal temperature of the goods shelf is effectively isolated from the ambient temperature in the refrigeration house, and a regional temperature difference is formed;

4) the interior of the goods shelf has a refrigeration function, the air supply temperature in the goods shelf can be adjusted through expansion on the valve plate, the storage temperature in the goods shelf can be freely adjusted, and the requirements of different optimal storage temperatures of goods are met;

5) the refrigeration temperature control goods shelf with the independent compressor assembly does not need to be connected with a compression condensing unit of a refrigeration house, can be randomly moved and placed in the refrigeration house, can randomly increase or reduce the quantity of the goods shelf according to the storage capacity demand, can meet the high-density storage demand of the refrigeration house, and cannot cause the heat transfer due to excessive mutual influence of goods.

6) The goods shelves can be made into different sizes according to the goods demand, and different storage layers can meet different load requirements in the refrigeration house.

The utility model discloses in can also become with the increase compressor that fig. 8 is shown to have independent refrigeration function goods shelves, this independent refrigeration function goods shelves support 3, blast hole 8, jet orifice 7, compressor 9, valve plate subassembly 5, refrigeration coil 6, parts such as fan 7 by stand 1, intermediate strut 2, top layer and constitute, the refrigerant produces the refrigeration effect at compressor 9, valve plate subassembly 5, 6 inner circulations of refrigeration coil, realizes the inside independent refrigeration of goods shelves, its air supply process as above.

The utility model discloses can also adopt the goods shelves that different number of piles, different sizes, many compressors, valve plate subassembly, refrigeration coil constitute as shown in figure 9, figure 10.

Claims (5)

1. The utility model provides a refrigeration accuse temperature type goods shelves, includes stand, mid-span support, top layer support, stand and mid-span support and top layer support constitute the goods shelves main part, its characterized in that: the upright posts, the middle supports and the top supports adopt hollow sandwich structures as air supply channels, small holes are formed in the lower surface of each supporting layer to form a hole plate air supply structure layer in the goods shelf, and jet holes are formed in the outer sides of the hole plate air supply structure layers; the fan has been arranged to the bottom space of goods shelves main part, the refrigeration coil pipe, the valve plate subassembly, the refrigerant lets in the valve plate subassembly and throttles into low temperature low pressure gas-liquid two-phase state, it evaporates to get into the refrigeration coil pipe again, the stand is sent into by the fan to the reduction of temperature behind the return air through the refrigeration coil pipe in the goods shelves, cold wind sends the support to respectively through the air supply stand, inside air supply aperture and the jet orifice that the rethread supported the lower surface send to goods shelves, make the inside air supply of goods shelves even and goods shelves both sides form the air curtain and carry out the temperature isolation, the inside air supply circulation of goods shelves carries out.

2. The refrigeration and temperature control type shelf according to claim 1, wherein: the upright posts, the middle supports and the top supports adopt hollow profiles of round pipes, square pipes or oval pipes as frames.

3. The refrigeration and temperature control type shelf according to claim 1, wherein: the open area of the jet hole is larger than that of the inner small hole, so that the air quantity can be increased, and meanwhile, the jet device is arranged at the outlet of the jet hole, so that the air speed can be improved to form jet air curtains on two sides of the goods shelf.

4. The refrigeration and temperature control type shelf according to claim 1, wherein: the refrigeration storage compression condensing unit provides one path of refrigerant to be introduced into the goods shelf valve plate, and the refrigerant enters the coil pipe after throttling to evaporate and cool the return air in the goods shelf entering the coil pipe by the fan, so that the cold energy is provided for the goods shelf.

5. The refrigeration and temperature control type shelf according to claim 1, wherein: independent compressor unit replaces freezer compression condensing unit to supply liquid, accomplishes independent refrigeration cycle in goods shelves inside.

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