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CN-122008792-A - Cold air circulation structure in refrigerator box and working method thereof

CN122008792ACN 122008792 ACN122008792 ACN 122008792ACN-122008792-A

Abstract

The cold air circulation structure in the refrigerator box provided by the invention comprises the refrigerator box body and the refrigerating unit arranged on the refrigerator box body, wherein the refrigerator box body is provided with the cold air guide unit, the cold air guide unit can blow the cold air to all areas in the front-back left-right direction of the box body uniformly from top to bottom, the smooth flowing of the cold air can be ensured under the condition that the box body is filled with goods, the spoilage caused by the fact that the goods at the rear part in the box body cannot reach the required low-temperature storage environment later can be avoided, and the serious economic loss caused by freight practitioners and transportation demands can be reduced.

Inventors

  • XU PENG
  • MA SHUAIBING
  • ZHANG HU
  • TANG PENGFEI
  • GE RUIKANG
  • LIU LEIXIONG
  • Gan Maotian

Assignees

  • 安徽绿美创城环境科技有限公司

Dates

Publication Date
20260512
Application Date
20260306

Claims (10)

  1. 1. The cold air circulation structure in the refrigerator box body is characterized by comprising a refrigerator box body (10) and a refrigerating unit (20) arranged on the refrigerator box body (10), wherein a cold air diversion unit (30) is arranged on the refrigerator box body (10).
  2. 2. The cold air circulation structure in a refrigerator compartment body according to claim 1, wherein the refrigerator compartment body (10) includes a front case plate (11), a bottom case plate (12), a top case plate (13) and a side case plate (14), one side of the side case plate (14) is connected to the bottom case plate (12), the other side of the side case plate (14) is connected to the top case plate (13), and the front case plate (11) is connected to the bottom case plate (12), the top case plate (13) and the side case plate (14).
  3. 3. The cold air circulation structure in a refrigerator wagon box according to claim 2, wherein the box side plate (14) is respectively connected with a left rear door plate (15) and a right rear door plate (16), one side of the left rear door plate (15) is movably connected with the box side plate (14), and one side of the right rear door plate (16) is movably connected with the box side plate (14).
  4. 4. A cold air circulation structure in a refrigerator compartment body according to claim 3, wherein the cold air guiding unit (30) comprises a compartment body top main guiding plate (31) and a rear sealing plate (32), the left and right sides of the compartment body top main guiding plate (31) are respectively connected with the compartment body side plates (14), the front side of the compartment body top main guiding plate (31) is connected with the compartment body front plate (11), one side of the rear sealing plate (32) is connected with the rear side of the compartment body top main guiding plate (31), and the other side of the rear sealing plate (32) is connected with the compartment body top plate (13).
  5. 5. The cold air circulation structure in a refrigerator wagon box according to claim 4, wherein a mounting avoidance groove (311) is formed in one side, close to the front box plate (11), of the main guide plate (31) at the top of the box body, a mounting plate (312), a first side patch (313) and a second side patch (314) are arranged in the mounting avoidance groove (311), the first side patch (313) is respectively arranged on the left side and the right side of the mounting plate (312), one side, far away from the mounting plate (312), of the first side patch (313) is connected with the top box plate (13), one side of the second side patch (314) is connected with the mounting plate (312), and the other side of the second side patch (314) is connected with the top box plate (13).
  6. 6. The cold air circulation structure in a refrigerator compartment according to claim 5, wherein the refrigerator unit (20) comprises a refrigerator unit condenser (21) and a refrigerator unit evaporator (22) connected with the refrigerator unit condenser (21), the refrigerator unit condenser (21) is arranged on the front board (11) of the refrigerator compartment, the refrigerator unit evaporator (22) is arranged on the mounting board (312) and is positioned in the mounting avoidance groove (311) of the main guide plate (31) at the top of the refrigerator compartment.
  7. 7. The cold air circulation structure in a refrigerator compartment according to claim 6, wherein the cold air guide unit (30) further comprises a diffuser (32) provided on the top main guide plate (31) of the compartment, the diffuser (32) being uniformly provided on the top main guide plate (31) of the compartment.
  8. 8. The cold air circulation structure in a refrigerator compartment according to claim 7, wherein the cold air guide unit (30) further comprises a front plate bending guide groove (34) provided on the front plate (11) of the compartment, the cold air guide unit (30) further comprises a bottom plate bending guide groove (35) provided on the bottom plate (12) of the compartment, the cold air guide unit (30) further comprises a top plate bending guide groove (36) provided on the top plate (13) of the compartment, the cold air guide unit (30) further comprises a side plate bending guide groove (37) provided on the side plate (14) of the compartment, and the cold air guide unit (30) further comprises door plate bending guide grooves (38) provided on the left rear door plate (15) and the right rear door plate (16).
  9. 9. The cold air circulating structure in a refrigerator compartment according to claim 8, wherein the cold air is blown out from top to bottom through a diffuser (32) uniformly distributed on a main guide plate (31) at the top of the compartment, then flows downward through guide grooves on a front plate, left and right side plates, rear and left door plates and gaps where goods are stacked, and when the cold air flows to the bottom of the compartment, the cold air flows to each region of the bottom plate of the compartment through a bottom plate bending guide groove (35) on a bottom plate (12) of the compartment.
  10. 10. A working method of a cold air circulation structure in a refrigerator box according to any one of claims 1 to 9 is characterized by comprising the following steps of S1, starting a refrigerator unit (20), enabling a refrigerator unit evaporator (22) to generate cold air, enabling the cold air to enter a diversion channel formed by a main diversion plate (31) at the top of the box, S2, enabling the cold air to blow out from top to bottom through a diffuser (32) uniformly arranged on the main diversion plate (31) at the top of the box to form a main cold air flow from top to bottom, S3, enabling the cold air flow from top to bottom to flow downwards along the side wall of the box and a cargo gap under the guiding action of a front plate bending diversion groove (34), a side plate bending diversion groove (37) and a door plate bending diversion groove (38), S4, enabling the cold air flowing to the bottom of the box to uniformly spread to all areas of the bottom plate (12) of the box under the guiding action of the bottom bending diversion groove (35), and enabling the temperature rising air after absorbing heat to flow upwards and enabling the cold air to enter the refrigerator unit evaporator again to perform cooling circulation to form continuous and uniform circulation in the box.

Description

Cold air circulation structure in refrigerator box and working method thereof Technical Field The invention belongs to the field of cold air refrigeration of large-scale refrigerated trucks, and particularly relates to a cold air circulation structure in a refrigerated truck box and a working method thereof. Background The existing refrigerator car refrigerating unit adopts a prepositive type, the structural form adopts a split type, the evaporator is generally directly arranged on the upper part of the inner side of the front plate of the box body, and the condenser is arranged on the upper part of the outer side of the front plate of the box body. For a large refrigerator car with a longer box body and a larger volume, the phenomenon of uneven temperature in the box body for a long time can be caused, the temperature of the cold air at the rear part of the box body is reduced slowly by slowly transmitting the cold air from the front part, particularly, the cold air at the front part of the box body is difficult to pass through gaps of the goods to be transmitted to the rear part of the box body under the extreme condition that the air outlet of an evaporator is blocked, and the goods at the rear part of the box body can not reach or even reach the low-temperature storage environment required by the goods in a very long time slowly, so that the deterioration and damage of the rear goods which are originally required to be stored in the low-temperature environment can be caused, and serious economic losses can be caused for freight practitioners and transportation demands. Disclosure of Invention The present invention has been made to solve the above problems, and an object of the present invention is to provide a cold air circulation structure in a refrigerator compartment which can blow cold air uniformly from top to bottom to respective areas in the front-rear, left-right directions of the compartment, can ensure smooth flow of the cold air when the compartment is filled with goods, and can prevent deterioration of the goods in the compartment due to the rear goods not reaching a required low-temperature storage environment at a later time, and to achieve the above objects, the present invention adopts the following technical scheme: The invention provides a cold air circulation structure in a refrigerator box body, which is characterized by comprising a refrigerator box body and a refrigerator set arranged on the refrigerator box body, wherein a cold air diversion unit is arranged on the refrigerator box body. The cold air circulation structure in the refrigerator box body provided by the invention can also have the characteristics that the refrigerator box body comprises a box body front plate, a box body bottom plate, a box body top plate and a box body side plate, one side of the box body side plate is connected with the box body bottom plate, the other side of the box body side plate is connected with the box body top plate, and the box body front plate is connected with the box body bottom plate, the box body top plate and the box body side plate. In the cold air circulation structure in the refrigerator box body, the refrigerator box body can be characterized in that the box body side plate is respectively connected with the left rear door plate and the right rear door plate, one side of the left rear door plate is movably connected with the box body side plate, and one side of the right rear door plate is movably connected with the box body side plate. In the cold air circulation structure in the refrigerator box body provided by the invention, the cold air guide unit can also have the characteristics that the cold air guide unit comprises a box top main guide plate and a rear sealing plate, wherein the left side and the right side of the box top main guide plate are respectively connected with the box side plates, the front side of the box top main guide plate is connected with the box front plate, one side of the rear sealing plate is connected with the rear side of the box top main guide plate, and the other side of the rear sealing plate is connected with the box top plate. The cold air circulation structure in the refrigerator box body provided by the invention can be characterized in that one side of the main guide plate at the top of the box body, which is close to the front plate of the box body, is provided with the installation avoidance groove, the installation avoidance groove is internally provided with the installation plate, the first side patch and the second side patch, the first side patch is respectively arranged at the left side and the right side of the installation plate, one side, which is far away from the installation plate, of the first side patch is connected with the top plate of the box body, one side of the second side patch is connected with the installation plate, and the other side of the second side patch is connected with the top plate of the box body. The cold