CN218230281U - Refrigerated container for land transportation - Google Patents

Abstract

A refrigerated container for land transportation comprises a box body and a refrigerating unit; the box body comprises a bottom frame, a top plate and wall plates positioned around the bottom frame and the top plate, wherein the bottom frame, the top plate and the wall plates jointly enclose an inner cavity, and an installation notch is formed in each wall plate; the refrigerating unit is fixed on the outer side of the wallboard and correspondingly arranged at the mounting notch, an embedded part arranged in the mounting notch is convexly arranged on the shell of the refrigerating unit, and an air outlet and an air return opening are formed in the surface of the embedded part positioned in the inner cavity; the inner cavity is internally provided with an air guide cover, one end of the air guide cover forms a closed annular connecting end, the connecting end is fixed on the surface of the embedded part and surrounds the periphery of the air outlet, the other end of the air guide cover extends downwards, and an air guide outlet is formed between the lower end part of the air guide cover and the upper surface of the underframe. The utility model discloses the hot gas of taking that avoids producing behind cold wind and the respiration of fruit vegetables goods meets at the top of inner chamber, prevents that the goods from receiving the influence of comdenstion water.

Description

Refrigerated container for land transportation

Technical Field

The utility model relates to a cold chain transportation technical field, concretely relates to land transportation reefer container.

Background

Refrigerated containers are important equipment for cold chain transportation and generally comprise a box body with a regular hexahedral structure and a refrigerating unit arranged on the box body, wherein the refrigerating unit is used for conveying cold air to a cargo space inside the box body so as to reduce the temperature of the cargo space to a preset value, thereby meeting the requirements of cargo refrigeration and refrigerated transportation.

The air outlet of the refrigerating unit is generally arranged at the position close to the upper part of the refrigerating unit, and after being blown out from the air outlet, the cold air flows to the position of the cargo space far away from the refrigerating unit along the top of the cargo space, then sinks and flows back along the bottom of the box body, and finally flows back to the inside of the refrigerator from the air return port below the air outlet on the refrigerating unit, so that the cold air forms airflow circulation in the cargo space of the box body. Because the fruit vegetables generally can breathe in the longer period of time after being picked, when transporting the fruit vegetables through the refrigerated container, the fruit vegetables carry out the moisture steam that the respiration produced and can gather at the top in cargo carrying space, and the air conditioning that the refrigerating unit air outlet blew off meets with these steam of taking moisture, forms sharp convection current, produces more comdenstion water then, and the comdenstion water causes the goods to rot, go mouldy very easily on dropping to the goods from cargo carrying space top.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a refrigerated container for land transportation, which can avoid the cold air generated by the respiration of fruits and vegetables and meet with the air outlet of the refrigerating unit, thereby reducing the condensed water in the cargo space.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a refrigerated container for land transportation comprises a box body and a refrigerating unit;

the box body comprises a bottom frame, a top plate and wall plates positioned around the bottom frame and between the top plate, the bottom frame, the top plate and the wall plates jointly enclose an inner cavity, and an installation notch is formed in each wall plate;

the refrigerating unit is fixed on the outer side of the wallboard and correspondingly arranged at the mounting notch, an embedded part arranged in the mounting notch is convexly arranged on the shell of the refrigerating unit, and an air outlet and an air return opening are formed in the surface of the embedded part positioned in the inner cavity;

the inner cavity is internally provided with an air guide cover, one end of the air guide cover forms a closed annular connecting end, the connecting end is fixed on the surface of the embedded part and surrounds the periphery of the air outlet, the other end of the air guide cover extends downwards, and an air guide outlet is formed between the lower end part of the air guide cover and the upper surface of the underframe.

The wind scooper comprises a flow guide pipe and a flow guide cover, the upper end of the flow guide pipe forms a connecting end of the wind scooper, the lower end of the flow guide pipe is connected into the flow guide cover in a penetrating mode through the top of the flow guide cover, the outer periphery of the flow guide pipe is in closed fit with the inner periphery of the top of the flow guide cover, and a wind guide outlet is located at the bottom of the flow guide cover.

A plurality of diversion trenches arranged side by side are arranged on the bottom frame, one ends of the diversion trenches are connected to the air guide outlet, and the other ends of the diversion trenches extend towards the direction far away from the refrigerating unit.

Be provided with the T floor on the chassis, a plurality of guiding gutters all set up on the T floor.

The guide cover comprises an inner wall plate positioned in the inner cavity, an outer wall plate positioned outside the inner wall plate and arranged at intervals with the inner wall plate, and sealing plates covering the tops and two sides of the inner wall plate and the outer wall plate, wherein the lower end part of the guide pipe penetrates through a preset opening in the sealing plates and extends into the guide cover; the outer wall plate is connected to the bottom frame, an air guide outlet is formed between the bottom of the inner wall plate and the upper surface of the bottom frame, and one end of the T floor is connected and located below the inner wall plate.

The bottom of the inner wall plate is provided with an air deflector, the top of the air deflector is hinged to the inner wall plate, and the bottom of the air deflector is lapped on the upper surface of the T floor.

The wallboard is including the preceding end wall that is located the box rear end portion, the curb plate that is located the box both sides and the rear end wall that is located the box rear end, installs the chamber door in the rear end wall, and the installation breach is seted up on the upper portion of preceding end wall, and the part that lies in the installation breach below on the preceding end wall forms the exterior wall board.

The shrouding includes roof and two lateral walls, and the roof is connected between the top of interior wallboard and exterior wall board, and the both ends of roof are connected respectively on the board of both sides, and two lateral plates form two lateral walls respectively.

The height of the top wall gradually decreases from the middle part to the two ends.

An anti-collision plate which is positioned at the inner side of the embedding part and is arranged at an interval with the embedding part is also arranged in the inner cavity, the anti-collision plate and the wallboard enclose a cavity, the air return opening of the embedding part is arranged in the cavity, and a backflow hole is formed between the top of the anti-collision plate and the top plate.

And a backflow fan is arranged in the cavity and/or at the backflow hole.

The top of the anti-collision plate is in clearance fit with the top plate, the gap between the anti-collision plate and the top plate forms an air return opening, the bottom of the anti-collision plate forms a partition plate located below the air return opening, and the edge of the partition plate is in close fit with the wallboard.

The beneficial effects of the utility model reside in that:

the utility model discloses utilize the wind scooper to guide downwards the cold wind that refrigerating unit blew off, blow cold wind to the chassis top through the wind-guiding export, make cold wind flow along the bottom of inner chamber, cold wind flows back towards refrigerating unit along the top of inner chamber after the box is inside to carry out the heat exchange with the goods, owing to utilize the wind scooper to keep apart cold wind, the higher air current of temperature that flows back to and is close to refrigerating unit department can not intersect with the cold wind of refrigerating unit output, then get back to inside the refrigerating unit through the return air inlet of refrigerating unit, so, make the cold wind of refrigerating unit output flow back along the bottom of inner chamber, flow back inside the refrigerating unit through the box top, thereby avoid the hot gas of taking water that produces behind cold wind and the respiration of fruit vegetables goods to meet at the top of inner chamber, prevent that the goods from receiving the influence of comdenstion water.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1;

FIG. 3 is a view taken along line B of FIG. 1;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention;

fig. 5 is a schematic structural diagram of a third embodiment of the present invention.

Detailed Description

The invention will be further described with reference to the following drawings and detailed description:

the first embodiment is as follows:

as shown in fig. 1, 2 and 3, for the land transportation refrigeration container of the first embodiment of the present invention, it includes a box body 10 and a refrigeration unit 20, the box body 10 includes an underframe 12 and a top plate 11, wall plates are disposed on the box body 10 around the underframe 12 and around the top plate 11, the wall plates specifically include a front end wall 13 at the front end of the box body 10, two side plates 14 respectively disposed on two sides of the box body 10, and a rear end wall (not shown) at the rear end of the box body 10, the refrigeration unit 20 is installed on the outer side of the front end wall 13, and a door is installed on the rear end wall; an inner cavity is defined by the chassis 12, the top plate 11 and the wall plate together, an installation notch 131 is provided on the front end wall 13, specifically, the installation notch 131 is located at the upper half portion of the front end wall 13 in the height direction, the main body portion of the refrigeration unit 20 is fixedly installed at the outer side of the front end wall 13, so that the refrigeration unit 20 is correspondingly disposed at the installation notch 131, an embedded portion 21 embedded at the installation notch 131 is convexly provided on the housing of the refrigeration unit 20, the embedded portion 21 is disposed after the installation notch 131, faces the inside of the inner cavity, especially, the inner end surface 210 of the embedded portion 21 is disposed opposite to the inner cavity, an air outlet 211 and a return air inlet 212 are provided on the inner end surface 210 of the embedded portion 21, the air outlet 211 is used for conveying cold air generated by the refrigeration unit 20 to the inside of the box 10, the cold air flows inside the box 10 and exchanges heat with goods inside the box 10, and then flows back to the inside of the refrigeration unit 20 through the return air inlet 212, generally, the air outlet 211 is disposed above the return air inlet 212. An air guide cover is arranged in the inner cavity of the box body 10, one end of the air guide cover forms an annular closed connecting end, the connecting end is connected to the inner end face 210 of the refrigerating unit 20 in an abutting mode and surrounds the periphery of the air outlet 211, the other end of the air guide cover extends downwards to the bottom of the inner cavity along the front end wall 13, and an air guide outlet 321 is formed between the lower end portion of the air guide cover and the upper surface of the bottom frame 12.

The embodiment of the utility model provides an in one, utilize the cold wind downwardly directed that the wind scooper blew off refrigerating unit 20, blow the cold wind to chassis 12 top through wind-guiding export 321, make cold wind flow towards the rear end of inner chamber along the bottom of inner chamber, cold wind flows forward along the top of inner chamber after box 10 is inside to carry out the heat exchange with the goods, owing to utilize the wind scooper to keep apart cold wind, the higher air current of temperature that flows back inner chamber top front end can not intersect with the cold wind of refrigerating unit 20 output, then it is inside to get back refrigerating unit 20 through refrigerating unit 20's return air inlet 212, thus, make the cold wind of refrigerating unit 20 output flow back along the bottom of inner chamber, flow back inside refrigerating unit 20 through the box top, thereby avoid the hot gas of taking water that produces behind cold wind and the respiration of fruit vegetables goods to meet at the top of inner chamber, prevent that the goods from receiving the influence of comdenstion water.

The air guide cover comprises a guide pipe 31 and an air guide cover 32 located below the guide pipe 31, the guide pipe 31 forms an upper half part of the air guide cover with a relatively small size, and the air guide cover 32 forms a lower half part of the air guide cover with a relatively large size, specifically, the upper end of the guide pipe 31 forms a connecting end of the air guide cover, the length and width of the cross section of the connecting end are slightly larger than those of the air outlet 211, namely, the connecting end can be arranged around the air outlet 211, so that cold air blown out from the air outlet 211 is guided downwards, the lower end of the guide pipe 31 penetrates through the top of the air guide cover 32 into a cavity of the air guide cover 32, the outer periphery of the guide pipe 31 is closely matched with the inner periphery of the top of the air guide cover 32, the air guide outlet 321 is located at the bottom of the air guide cover 32, the cold air blown out from the refrigerating unit 20 is guided into the air guide cover 32 by the guide pipe 31 and then blown to the bottom of an inner cavity of the box body 10 through the air guide outlet 321, and the air guide cover 32 is matched with the guide pipe 31, so that the cold air guide pipe can be isolated from the cold air returned from the cold air at the air return port 212, and the hot air can be prevented from meeting at the return port 212. In order to facilitate the cold air to flow from front to back on the bottom frame 12, a plurality of guiding chutes 122 arranged side by side are provided on the bottom frame 12, the front end of the guiding chute 122 is connected to the guiding outlet 321, and the rear end extends towards the rear end wall of the box 10, i.e. the rear end of the guiding chute 122 extends towards the direction far away from the refrigeration unit 20. As in the conventional partial refrigerated container, a T-floor 121 may be laid on the bottom frame 12 of the container body 10, and the channels 122 may be located on the T-floor 121.

The air guide cover 32 comprises an inner wall plate 322 positioned in the inner cavity, an outer wall plate positioned outside the inner wall plate 322 and spaced from the inner wall plate 322, and sealing plates for sealing the top and both sides of the inner wall plate 322 and the outer wall plate, wherein the air guide cover 32 forms a cavity with an air guide outlet 321 only at the bottom by using the inner wall plate 322, the outer wall plate and the sealing plates, specifically, the outer wall plate of the air guide cover 32 can be formed by a part of the front end wall 13 positioned below the mounting notch 131, namely the outer wall plate is connected to the bottom frame 12, the bottom of the inner wall plate 322 is spaced from the upper surface of the bottom frame 12 by a certain distance to form the air guide outlet 321, and the front end of the T-shaped floor 121 is connected below the inner wall plate 322; the sealing plate of the air guide sleeve 32 is located below the air return opening 212 to block the hot air at the air return opening. In order to clean the inside of the pod 32, a wind deflector 323 is installed at the bottom of the inner wall plate 322, the top of the wind deflector 323 is hinged to the inner wall plate 322, the bottom of the wind deflector 323 is overlapped on the upper surface of the T-floor 121, the wind deflector 323 can be made of flexible rubber material or aluminum material, and the wind deflector 323 can be opened inside the box 10 to clean the inside of the pod 32.

The sealing plate comprises a top wall 324 and two side walls, the top wall 324 is connected between the top of the inner wall plate 322 and the front end wall 13, the position where the top wall 324 is connected with the front end wall 13 is located below the air return opening 212, so that the top wall 324 can block hot air at the air return opening 212, the bottom of the flow guide pipe 31 penetrates into the flow guide hood 32 through a hole preset in the middle of the length direction of the top wall 324, the top wall 324 is set to be of a structure with the height gradually reduced from the middle to two ends, namely, the top wall 324 gradually reduces from the position where the top wall 324 is connected with the flow guide pipe 31 to the side edge of the box body 10, and the inclined top wall 324 is used for further guiding cold air entering the flow guide hood 32, so that the cold air entering the flow inside the flow guide hood 32 can flow downwards and then flows along the length direction of the whole flow guide hood 32 (i.e. the width direction of the box body 10), and then the cold air is uniformly distributed in the width direction of the box body; the two ends of the top wall 324 may be connected to the two side plates 14 of the container body 10, respectively, so that the two side plates 14 form two side walls of the sealing plate, respectively.

Furthermore, an anti-collision plate 33 is further disposed in the inner cavity of the box 10, the anti-collision plate 33 is located inside the embedded portion 21 and is disposed at a distance from the embedded portion 21, two ends of the anti-collision plate 33 are respectively connected to the two side plates 14 of the box 10, a bottom of the anti-collision plate 33 is bent toward the front end wall 13 to form a partition 331, the partition 331 is connected to the front end wall 13 and is in close fit with the front end wall 13, thereby the anti-collision plate 33, the front end wall 13 and the two side plates 14 enclose a chamber, the air return opening 212 disposed on the embedded portion 21 is located in the chamber, the duct 31 extends downward into the flow guide cover 32, so that the air outlet 211 is separated from the chamber, a return opening 332 is formed between a top of the anti-collision plate 33 and the top plate 11, hot air at the top of the box 10 enters the chamber through the return opening 332 during return, and then returns to the interior of the refrigeration unit 20 through the return opening 212 of the refrigeration unit 20. A gap may be formed between the top of the anti-collision plate 33 and the top plate 11, the gap may form the backflow hole 332, the backflow fan 333 may be installed in the chamber, and the backflow fan 333 may introduce the hot air into the chamber from the top of the inner chamber of the box body 10, so as to reduce the backflow of the hot air and prevent the hot air from excessively staying in the inner chamber of the box body 10. Of course, the top of the impact plate 33 may be connected to the top plate 11, a notch may be cut at the top of the impact plate 33 to form the backflow hole 332, and the backflow fan may be installed at the backflow hole 332, or the backflow fan may be installed on the impact plate 33 and in the chamber at the same time.

Example two:

fig. 4 shows a refrigerated container for land transportation according to the second embodiment of the present invention, in which the top wall 324 is eliminated and the partition 331 at the bottom of the anti-collision plate 33 is used as a sealing plate at the top of the wind scooper 32, on the basis of the first embodiment.

Example three:

fig. 5 shows a refrigerated container for land transportation according to a third embodiment of the present invention, which is different from the first embodiment in that the partition 331 at the bottom of the impact-proof plate 33 is eliminated in the third embodiment, and the bottom of the impact-proof plate 33 is directly connected to the top wall 324 of the inclined arrangement.

Example four:

in this embodiment, the wall plate of the box 10 is the same as the wall plate of the first embodiment, and includes a front end wall, a rear end wall, and two side plates, one of the side plates is used as the wall plate for installing the refrigeration unit 20, that is, an installation notch is provided on one of the side plates for embedding the embedding portion on the housing of the refrigeration unit 20, the air guide cover is enclosed by the side plates, inner wall plates positioned at intervals inside the side plates, and a sealing plate, a baffle plate which extends vertically and is parallel to the front end wall is fixed on the side plates, the lower half part of the baffle plate covers the inner side end of the air guide cover, the upper half part of the baffle plate encloses a cavity with the anti-collision plate and the front end wall, and a return air port on the refrigeration unit 20 is placed in the cavity, and the other structures of the fourth embodiment are the same as the first embodiment.

The utility model discloses an in above-mentioned embodiment one to four, air outlet 211 on the refrigerating unit 20, return air inlet 212 all set up the interior terminal surface 210 at embedded part 21, it should be pointed out, in other embodiments, air outlet 211 and return air inlet 212 can adopt different arrangement, for example, can be with the air outlet 211 setting on interior terminal surface 210, arrange return air inlet 212 in embedded part 21's both sides or top, as long as ensure that air outlet 211 is kept apart by the wind scooper, and the wind scooper can guide the cold wind that air outlet 211 output to flow downwards so that flow along the chassis can after flowing from the wind-guiding export.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some technical features, and these modifications or substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (12)

1. A refrigerated container for land transportation is characterized by comprising a box body and a refrigerating unit;

the box body comprises a bottom frame, a top plate and wall plates positioned around the bottom frame and the top plate, wherein the bottom frame, the top plate and the wall plates jointly enclose an inner cavity, and an installation notch is formed in each wall plate;

the refrigerating unit is fixed on the outer side of the wallboard and correspondingly arranged at the mounting notch, an embedded part arranged in the mounting notch is convexly arranged on the shell of the refrigerating unit, and an air outlet and an air return opening are formed in the surface of the embedded part positioned in the inner cavity;

an air guide cover is arranged in the inner cavity, one end of the air guide cover forms a closed annular connecting end, the connecting end is fixed on the surface of the embedded part and surrounds the periphery of the air outlet, the other end of the air guide cover extends downwards, and an air guide outlet is formed between the lower end part of the air guide cover and the upper surface of the bottom frame.

2. The refrigerated land container as claimed in claim 1 wherein the air guide hood comprises a guide duct and a guide hood, the upper end of the guide duct forms the connection end of the air guide hood, the lower end of the guide duct is inserted into the guide hood from the top of the guide hood, the outer periphery of the guide duct is in close fit with the inner periphery of the top of the guide hood, and the air guide outlet is located at the bottom of the guide hood.

3. A refrigerated land container as claimed in claim 2 wherein the base frame is provided with a plurality of channels arranged side by side, one end of the channels being connected to the air deflection outlet and the other end extending away from the refrigeration unit.

4. A refrigerated overland container as claimed in claim 3 wherein a T-floor is provided on the base frame and the channels are provided on the T-floor.

5. The refrigerated land container as recited in claim 4 wherein the draft tube includes an inner wall panel disposed within the interior cavity, an outer wall panel disposed outwardly of and spaced from the inner wall panel, and a sealing panel covering the top and sides of the inner and outer wall panels, the lower end of the draft tube extending through a predetermined opening in the sealing panel into the draft tube; the outer wall plate is connected to the bottom frame, an air guide outlet is formed between the bottom of the inner wall plate and the upper surface of the bottom frame, and one end of the T floor is connected and located below the inner wall plate.

6. The refrigerated overland container of claim 5 wherein a deflector is mounted to the bottom of the inner panel, the deflector having a top portion hinged to the inner panel and a bottom portion overlapping the top surface of the T-floor.

7. A refrigerated overland container as claimed in claim 5 wherein the wall panels comprise a front wall at the rear end of the container body, side panels at either side of the container body and a rear wall at the rear end of the container body, the rear wall having doors mounted therein and the mounting aperture being provided in an upper part of the front wall, the part of the front wall below the mounting aperture forming the outer wall panel.

8. A refrigerated overland container as claimed in claim 7 wherein the closure panel includes a top wall and two side walls, the top wall being connected between the inner and outer wall panels at the top thereof and the top wall being connected at each end thereof to the two side panels, the two side panels forming the two side walls respectively.

9. A refrigerated overland container as claimed in claim 8 wherein the height of the top wall decreases from its middle towards the ends.

10. The land transportation refrigeration container as recited in claim 1 wherein the cavity further includes an anti-collision plate spaced from and located inside the embedded portion, the anti-collision plate and the wall plate defining a chamber, the return air opening of the embedded portion being located in the chamber, the top of the anti-collision plate and the top plate defining a return air opening therebetween.

11. A refrigerated container for land transportation as claimed in claim 10 wherein a return air fan is mounted within the chamber and/or at said return aperture.

12. The refrigerated overland container of claim 10 wherein the top of the impact plate is in clearance fit with the top plate, the clearance between the impact plate and the top plate forms the air return opening, the bottom of the impact plate forms a partition below the air return opening, and the edge of the partition is in sealing fit with the wall plate.

Images