Cold-chain multi-temperature-zone cold accumulation and refrigeration distribution device

Abstract

The invention discloses a cold-chain multi-temperature-zone cold accumulation and refrigeration distribution device, and relates to the technical field of refrigeration distribution devices. Comprising a storage box body and a refrigeration box body, and the refrigeration box body is fixedly connected with the storage box body and conveys low-temperature gas into the storage box body; a plurality of partition assemblies are arranged in the storage box body, and the storage box body is divided into a plurality of cabins by the partition assemblies; a box door for opening the internal space of the storage box body is arranged on one side of the storage box body; a wind blocking assembly is movably arranged in the storage box body and located on the inner side of the box door, a driving assembly is arranged in the storage box body, and the driving assembly drives the wind blocking assembly to move in the direction away from the box door so as to reduce the refrigeration space of the goods storage environment. The driving assembly automatically drives the wind shielding assembly to move, the wind shielding assembly automatically moves to reduce the sheltered goods storage space, the refrigeration space adapts to the goods quantity, cold air consumption is reduced, and the refrigeration time of the cold storage medium is prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of refrigerated distribution devices, and particularly relates to a cold chain multi-temperature zone cold storage refrigerated distribution device. Background Art

[0002] The cold chain is a supply chain system that precisely controls the temperature throughout the whole process of temperature-sensitive goods from production, processing, transportation, warehousing to terminal distribution through specific technical means and management processes, aiming to ensure the quality and safety of goods and reduce losses or failures caused by temperature fluctuations. During the cold chain distribution process, a refrigerated distribution device is required to provide a low-temperature environment for the goods. The refrigerated distribution device is an intelligent temperature control device designed for the transportation of temperature-sensitive goods. By integrating refrigeration, insulation, and monitoring technologies, it constructs a whole-process low-temperature environment guarantee system from warehousing to the terminal. Its core value lies in precisely controlling key parameters such as the temperature and humidity of the space where the goods are located to ensure that fresh foods (such as chilled meat, dairy products), pharmaceutical products (vaccines, biological agents), and chemical raw materials do not deteriorate or become inactivated during transportation. In order to reduce operating costs, the refrigerated distribution device uses cold storage technology to achieve refrigeration. Cold storage technology is a technology that uses the low-power period of electricity at night to store cold energy in the form of sensible heat or latent heat in media such as water, ice, or phase change materials through a refrigeration unit, and releases the cold energy during the peak electricity consumption period during the day to meet the cooling demand for air conditioning or processes. Its core lies in balancing the power grid load, reducing operating costs through "peak shaving and valley filling", and at the same time improving the utilization rate of refrigeration equipment.

[0003] For example, Chinese Patent Publication No. CN115406156A in the prior art discloses a cold storage multi-temperature cold chain distribution box, which includes a box body and a refrigeration unit. An energy storage device is provided inside the storage box body, and the refrigeration unit is connected to the energy storage device. Inside the storage box body, there are also a first load area, a second load area, and a third load area that are connected in sequence. The first load area is connected to the air outlet of the energy storage device, and the third load area is connected to the air return port of the energy storage device. A plurality of temperature sensors are provided inside the first load area, the second load area, and the third load area, and the temperature sensors are all connected to a controller. By setting multiple load areas and controlling the temperatures of multiple load areas, multi-temperature distribution can be achieved. However, in this disclosed device, when taking out or putting in items, the box door needs to be opened to take out or put in the items. After the box door is opened, its load bin is completely open, causing the internal low-temperature gas to quickly leak out. Moreover, when the internal materials decrease, the cooling gas in the empty space after opening the door quickly overflows, resulting in an increase in the internal space temperature. More refrigeration capacity is required to cool the internal space, leading to a reduction in refrigeration efficiency. And the cold storage capacity is limited. During the process of frequently taking and delivering items, it is easy to exhaust the cold storage capacity before completing the delivery task, resulting in the inability to maintain a low-temperature environment for the refrigerated items. Summary of the Invention

[0004] The purpose of the present invention is to solve the above-mentioned technical problems and provide a cold chain multi-temperature zone cold storage and distribution device.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A cold chain multi-temperature zone cold storage and refrigeration distribution device, comprising a storage box and a refrigeration box, wherein the refrigeration box is fixedly connected to the storage box and delivers low-temperature gas to the storage box;

[0007] A plurality of partition assemblies are arranged in the storage box, and the partition assemblies divide the storage box into a plurality of compartments; a door for opening the internal space of the storage box is arranged on one side of the storage box; a wind shield assembly is movably arranged in the storage box, and the wind shield assembly is located on the inner side of the door; a driving assembly is arranged in the storage box, and the driving assembly drives the wind shield assembly to move away from the door to reduce the refrigeration space of the cargo storage environment.

[0008] Furthermore, the wind shield assembly includes a movable frame and a first movable plate and a second movable plate slidably connected to the movable frame, and a guide rod is fixedly connected to the storage box body, and the guide rod passes through the movable frame and slidably cooperates with the movable frame; the movable frame includes an upper beam and a side beam, and the side beam is provided at two places and is respectively fixed at both ends of the upper beam, and a first slide groove and a second slide groove arranged in parallel are provided on the upper beam, the first movable plate is slidably connected in the first slide groove and slidably cooperates along the first slide groove, and the second movable plate is slidably connected in the second slide groove and slidably cooperates along the second slide groove.

[0009] Furthermore, the driving assembly includes a transmission assembly rotatably arranged in a storage box body, the transmission assembly is arranged at both ends of the moving frame, the transmission assembly includes a first roller, a second roller and a transmission belt, the first roller and the second roller are both rotatably connected to the storage box body, the transmission belt is sleeved on the first roller and the second roller to form a belt transmission connection, a driving motor is installed in the storage box body, the driving motor is transmission-connected to the first roller to drive the first roller to rotate and drive the transmission belt to rotate around the first roller; a clamping device is provided on the moving frame, the clamping device is clamped on the transmission belt, the first moving plate and the second moving plate are both fixedly connected with transmission blocks, the transmission block cooperates with the clamping device so that when the push rod approaches the clamping device, the clamping device is clamped on the transmission belt.

[0010] Further, a second gear is fixedly connected to the output shaft of the drive motor. A first rotating shaft is rotatably connected to the inside of the storage box body. A third gear is fixedly connected to the first rotating shaft. The second gear and the third gear are in meshing transmission through gears. A second rotating shaft is fixedly connected to the axis of the first roller. A fourth gear is fixedly connected to the second rotating shaft. A fifth gear is fixedly connected to the first rotating shaft. The fourth gear and the fifth gear are in meshing transmission through gears. The first rotating shaft is fixed to the second rotating shaft.

[0011] Further, the clamping device includes a mounting block fixedly connected to the moving frame and a clamping sleeve fixed to the mounting block. A through hole is formed in the clamping sleeve, and the transmission belt passes through the through hole. A pushing rod is slidably fitted on the mounting block. One end of the pushing rod is connected with a clamping block, and the clamping block extends into the clamping sleeve. The clamping block is slidably fitted with the clamping sleeve. An installation cavity is formed in the mounting block. One end of the pushing rod extends into the installation cavity and is hinged to a first support rod. The other end of the first support rod away from the pushing rod is hinged to a second support rod. The other end of the second support rod away from the first support rod is hinged to the side wall of the installation cavity. A first compression spring is arranged in the installation cavity. The first compression spring is located on the side of the second support rod away from the moving frame, and the end of the first compression spring abuts against the second support rod. When the transmission block moves away from the transmission belt, the elastic force of the first compression spring pushes the second support rod out of the installation cavity towards the moving frame. When the transmission block moves towards the transmission belt, the transmission block presses against the second support rod, causing the second support rod and the first support rod to open and push the pushing rod towards the transmission belt. The movement of the pushing rod makes the clamping block abut against the transmission belt, clamping the transmission belt on the clamping sleeve.

[0012] Further, microswitches are fixedly installed on the mounting blocks on both sides of the storage box body. The contacts of the microswitches are arranged opposite to the transmission block. When the transmission block approaches the transmission belt, the transmission block presses against the contacts of the microswitches, causing the microswitches to close. The two microswitches are connected in series in the control circuit of the drive motor, and the drive motor is started after both microswitches are closed.

[0013] Further, a second compression spring is fixedly connected to one end of the pushing rod close to the transmission belt. The clamping block is fixed to the other end of the second compression spring away from the pushing rod.

[0014] Further, the partition assembly includes a fixed partition and a movable partition. The movable partition is fixedly connected to the moving frame. The fixed partition is fixed inside the storage box body. The movable partition is slidably fitted with the storage box body.

[0015] Further, an air outlet pipe is provided in the refrigeration box body. The end of the air outlet pipe is connected with a plurality of branch pipes, and the branch pipes extend into the compartments in the storage box body. A fan is arranged in the air outlet pipe. A blade is fixedly connected to the rotating shaft of the fan. The fan drives the blade to rotate, thereby conveying the cold air in the refrigeration box body into the storage box body.

[0016] Further, a sluice gate for controlling the branch pipe is arranged in the branch pipe.

[0017] A cold chain multi-temperature zone cold storage and refrigerated distribution device provided by the present invention has the following beneficial effects: The storage box body is divided into a plurality of independent compartments by a partition component, so as to provide a multi-temperature zone environment to meet the requirements of different goods for different environmental temperatures; A movable wind shield component is arranged in the storage box body. When the goods are reduced, the driving component automatically drives the wind shield component to move. The automatic movement of the wind shield component reduces the storage space of the goods blocked, enables the refrigeration space to adapt to the quantity of goods, reduces the consumption of cold air, and prolongs the refrigeration time of the cold storage medium. Description of the Drawings

[0018] The following further describes in detail the specific embodiments of the present invention with reference to the drawings:

[0019] Figure 1 It is a schematic diagram of the internal structure of a cold chain multi-temperature zone cold storage and refrigerated distribution device provided by the present invention;

[0020] Figure 2 It is a schematic diagram of the top view of the internal structure of a cold chain multi-temperature zone cold storage and refrigerated distribution device provided by the present invention;

[0021] Figure 3 It is Figure 2 A partial structure schematic diagram of part A in

[0022] Figure 4 It is Figure 3 A schematic diagram of the structure of the clamping device when the transmission belt is in the released state in

[0023] Figure 5 It is Figure 1 A partial structure schematic diagram of part B in

[0024] Figure 6 It is a schematic diagram of the side view structure of the cooperation between the transmission component and the ferrule in a cold chain multi-temperature zone cold storage and refrigerated distribution device provided by the present invention;

[0025] Figure 7 It is a schematic diagram of the cross-sectional structure of the cooperation between the clamping device and the transmission belt in a cold chain multi-temperature zone cold storage and refrigerated distribution device provided by the present invention;

[0026] Figure 8Schematic cross-sectional structure diagram of the upper beam in a cold-chain multi-temperature zone cold storage refrigerated distribution device provided by the present invention;

[0027] Figure 9 Schematic diagram of the power connection circuit of the drive motor in a cold-chain multi-temperature zone cold storage refrigerated distribution device provided by the present invention;

[0028] Figure 10 For Figure 1 Partial structural schematic diagram of the outlet air duct part in

[0029] Explanation of the reference numerals in the figure: 1. Storage box; 11. Guide rod; 2. Refrigeration box; 21. Outlet air duct; 22. Fan; 23. Blade; 24. Branch pipe; 3. Partition assembly; 31. Fixed partition; 32. Movable partition; 4. Door; 5. Windshield assembly; 51. Moving frame; 511. Upper beam; 5111. First chute; 5112. Second chute; 512. Side beam; 52. First moving plate; 53. Second moving plate; 54. Transmission block; 6. Driving assembly; 61. Transmission assembly; 611. First roller; 612. Second roller; 613. Transmission belt; 62. Drive motor; 63. Second gear; 64. First rotating shaft; 65. Third gear; 66. Second rotating shaft; 67. Fourth gear; 68. Fifth gear; 7. Clamping device; 71. Casing; 72. Mounting block; 73. Pushing rod; 74. Clamping block; 75. First strut; 76. Second strut; 77. First compression spring; 78. Second compression spring; 8. Microswitch. Detailed implementation manners

[0030] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] It should be noted that all the directional indications (such as up - down - left - right - front - back...) in the embodiments of the present invention are only used to explain the relative positional relationship - movement conditions, etc. between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly. The described connection can be a direct connection or an indirect connection.

[0033] Such as Figures 1-10As shown in the figure, a cold-chain multi-temperature zone cold storage and refrigerated distribution device includes a storage box body 1 and a refrigeration box body 2. The refrigeration box body 2 is fixedly connected to the storage box body 1 and conveys low-temperature gas into the storage box body 1. Specifically, a refrigeration device and a cold storage medium are arranged in the refrigeration box body 2. An air outlet communicating with the storage box body 1 is arranged in the refrigeration box body 2. The cold storage medium cools the air and enters the storage box body 1 from the air outlet for refrigeration.

[0034] A plurality of partition components 3 are arranged in the storage box body 1. The partition components 3 divide the storage box body 1 into a plurality of compartments. A box door 4 that opens the internal space of the storage box body 1 is arranged on one side of the storage box body 1. A wind-blocking component 5 is movably arranged in the storage box body 1. The wind-blocking component 5 is located inside the box door 4. A driving component 6 is arranged in the storage box body 1. The driving component 6 drives the wind-blocking component 5 to move away from the box door 4 to reduce the refrigeration space of the goods storage environment.

[0035] Adopting the above technical solution, the storage box body 1 is divided into a plurality of independent compartments by the partition components 3, so as to provide a multi-temperature zone environment to meet the requirements of different goods for different environmental temperatures. A movable wind-blocking component 5 is arranged in the storage box body 1. When the goods are reduced, the driving component 6 automatically drives the wind-blocking component 5 to move. The automatic movement of the wind-blocking component 5 reduces the storage space of the goods it blocks, makes the refrigeration space adapt to the quantity of goods, reduces the consumption of cold air, and extends the refrigeration time of the cold storage medium.

[0036] The windshield assembly 5 includes a moving frame 51, a first moving plate 52 and a second moving plate 53 slidably connected in the moving frame 51. A guide rod 11 is fixedly connected to the storage box body 1. The guide rod 11 passes through the moving frame 51 and is slidably engaged with the moving frame 51. The moving frame 51 includes an upper beam 511 and side beams 512. There are two side beams 512 which are respectively fixed at both ends of the upper beam 511. The upper beam 511 is provided with a first sliding groove 5111 and a second sliding groove 5112 arranged in parallel. The first moving plate 52 is slidably connected in the first sliding groove 5111 and slidably engaged along the first sliding groove 5111. The second moving plate 53 is slidably connected in the second sliding groove 5112 and slidably engaged along the second sliding groove 5112. During use, the goods are placed on the side of the windshield assembly 5 away from the box door 4. A low-temperature storage space for the goods is formed by enclosing the storage box body 1 with the first moving plate 52 and the second moving plate 53. By moving the first moving plate 52 or the second moving plate 53, the internal storage space can be opened to facilitate the loading and unloading of goods. By moving the windshield assembly 5, the windshield assembly 5 can be moved outward or inward so that the windshield assembly 5 approaches the boundary of the goods, reducing the refrigeration space for maintaining the low temperature of the goods. When the loading and unloading of the goods is completed, move the first moving plate 52 or the second moving plate 53 so that the first moving plate 52 and the second moving plate 53 move in a relatively far-away direction. The edge of the first moving plate 52 abuts against one side beam 512 of the moving frame 51, and the edge of the second moving plate 53 abuts against the other side beam 512 of the moving frame 51, so that the windshield assembly 5 is closed. At this time, the driving motor 62 drives the moving frame 51 to move towards the goods to narrow the refrigeration space. Specifically, the first moving plate 52 and the second moving plate 53 form a sliding door structure. The first moving plate 52 and the second moving plate 53 are made of one of acrylic plates, glass plates or plastic plates, as long as they can limit the low-temperature air inside the storage box body 1 when closed and are convenient to move.

[0037] The driving assembly 6 includes a transmission assembly 61 rotatably arranged in the storage box 1. The transmission assembly 61 is arranged at both ends of the moving frame 51. The transmission assembly 61 includes a first roller 611, a second roller 612 and a transmission belt 613. The first roller 611 and the second roller 612 are both rotatably connected to the storage box 1. The transmission belt 613 is sleeved on the first roller 611 and the second roller 612 to form a belt drive connection. A driving motor 62 is installed in the storage box 1. The driving motor 62 is in transmission connection with the first roller 611 to drive the first roller 611 to rotate and drive the transmission belt 613 to rotate around the first roller 611. A clamping device 7 is arranged on the moving frame 51. The clamping device 7 is clamped on the transmission belt 613. Transmission blocks 54 are fixedly connected to both the first moving plate 52 and the second moving plate 53. The transmission blocks 54 cooperate with the clamping device 7 so that when the pushing rod 73 approaches the clamping device 7, the clamping device 7 clamps on the transmission belt 613. Through the cooperation of the clamping device 7 and the transmission blocks 54, when the first moving plate 52 and the second moving plate 53 extend outwards to close the windshield assembly 5, the clamping device 7 clamps the transmission belt 613. After the driving motor 62 is started, it drives the transmission belt 613 to move, thereby driving the moving frame 51 to move towards the goods. Specifically, guiding inclined surfaces are arranged at both ends of the transmission block 54.

[0038] A second gear 63 is fixedly connected to the output shaft of the driving motor 62. A first rotating shaft 64 is rotatably connected in the storage box 1. A third gear 65 is fixedly connected to the first rotating shaft 64. The second gear 63 and the third gear 65 are in gear meshing transmission. A second rotating shaft 66 is fixedly connected to the axis of the first roller 611. A fourth gear 67 is fixedly connected to the second rotating shaft 66. A fifth gear 68 is fixedly connected to the first rotating shaft 64. The fourth gear 67 and the fifth gear 68 are in gear meshing transmission. The first rotating shaft 64 is fixed to the second rotating shaft 66. The driving motor 62 drives the first roller 611 to rotate through multi-stage gear transmission. Using multi-stage gears can decelerate the output speed of the driving motor 62 to prevent the first roller 611 from rotating too fast, which may cause the moving frame 51 to move too fast and result in the first moving plate 52 and the second moving plate 53 colliding with the goods.

[0039] The clamping device 7 includes a mounting block 72 fixedly connected to the moving frame 51 and a clamping sleeve 71 fixed to the mounting block 72, a through hole is provided in the clamping sleeve 71, the transmission belt 613 passes through the through hole, a push rod 73 is slidably fitted on the mounting block 72, a clamping block 74 is connected to the end of the push rod 73 and the clamping block 74 extends into the clamping sleeve 71, and the clamping block 74 is slidably fitted with the clamping sleeve 71; a mounting cavity is provided on the mounting block 72, the end of the push rod 73 extends into the mounting cavity and is hingedly connected to a first strut 75, the first strut 75 is hingedly connected to a second strut 76 at one end away from the push rod 73, and the second strut 76 is hingedly connected to the end away from the first strut 75 It is connected to the side wall of the installation cavity; a first compression spring 77 is arranged in the installation cavity, and the first compression spring 77 is located on the side of the second support rod 76 away from the moving frame 51, and the end of the first compression spring 77 abuts on the second support rod 76; when the transmission block 54 is away from the transmission belt 613, the elastic force of the first compression spring 77 pushes the second support rod 76 out of the installation cavity in the direction of the moving frame 51, and when the transmission block 54 moves in the direction of the transmission belt 613, the transmission block 54 presses the second support rod 76 so that the second support rod 76 and the first support rod 75 are spread apart to push the push rod 73 toward the transmission belt 613, and the push rod 73 moves to abut the clamping block 74 on the transmission belt 613 so that the transmission belt 613 is clamped on the sleeve 71. When it is necessary to take or place goods, the first movable plate 52 and the second movable plate 53 are moved so that the windshield assembly 5 is partially opened, which is convenient for taking and placing goods; when it is necessary to take or place goods, the first movable plate 52 and the second movable plate 53 are moved so that the side beam 512 of the movable frame 51 is disengaged from the first support rod 75 and the second support rod 76, and the second support rod 76 is pushed out of the installation cavity toward the movable frame 51 under the elastic force of the first compression spring 77, thereby driving the push rod 73 away from the transmission belt 613, driving the clamping block 74 away from the transmission belt 613, so that the movable frame 51 can move freely, and push the movable frame 51 to provide a suitable space size for placing goods; after the goods are taken or placed, the first movable plate 52 and the second movable plate 53 are moved out of ... first compression spring 77 is moved out of the second support rod 76, and the second support rod 76 is pushed out of the installation cavity toward the movable frame 51, thereby driving the push rod 73 away from the transmission belt 613, driving the clamping block 74 away from the transmission belt 613, and driving the movable frame 51 to move freely, and pushing the movable frame 51 to provide a suitable space size for placing goods The movable plates 53 move toward the direction of the corresponding side beams 512 of the movable frame 51, so that the transmission block 54 moves toward the transmission belt 613. When the transmission block 54 moves to the position of the second support rod 76, it squeezes the second support rod 76 so that the second support rod 76 and the first support rod 75 are spread apart to push the push rod 73 toward the transmission belt 613. The push rod 73 moves to push the clamping block 74 toward the transmission belt 613, so that the clamping block 74 abuts against the transmission belt 613 and clamps the transmission belt 613 on the sleeve 71. The drive motor 62 is started to drive the transmission belt 613 to move the movable frame 51 toward the cargo, so that the first movable plate 52 and the second movable plate 53 are close to the cargo, automatically reducing the refrigeration space, so that the refrigeration space adapts to the amount of cargo, and reduces the consumption of cold air.

[0040] On both sides of the mounting blocks 72 on the storage box body 1, microswitches 8 are fixedly installed. The contact heads of the microswitches 8 are arranged opposite to the transmission blocks 54. When the transmission block 54 approaches the transmission belt 613, the transmission block 54 presses against the contact heads of the microswitches 8 to close the microswitches 8. The two microswitches 8 are connected in series in the control circuit of the drive motor 62, and the drive motor 62 is started after both microswitches 8 are closed. By connecting the microswitches 8 in series in the power supply circuit of the drive motor 62, when both microswitches 8 are abutted by the transmission blocks 54 to make the two microswitches 8 closed, the drive motor 62 is connected to the power supply to start the drive motor 62. Driven by the drive motor 62, the moving frame 51 moves towards the direction close to the goods, so as to realize automatically driving the windshield assembly 5 to move towards the goods after the windshield assembly 5 is closed, reducing the refrigeration space. After the drive motor 62 is started for a certain period of time, it automatically stops driving. Specifically, a time-delay disconnect relay is connected in series in the control circuit of the drive motor 62 to realize time-delay disconnection.

[0041] One end of the push rod 73 close to the transmission belt 613 is fixedly connected with a second compression spring 78, and the clamping block 74 is fixed at the end of the second compression spring 78 far away from the push rod 73. By arranging the second compression spring 78, elastic clamping is formed between the clamping block 74 and the transmission belt 613. When the moving resistance of the moving frame 51 is too large, the tension of the transmission belt 613 overcomes the friction with the clamping block 74 to generate sliding, thus avoiding damage to the components caused by rigid transmission.

[0042] The partition assembly 3 includes a fixed partition 31 and a movable partition 32. The movable partition 32 is fixedly connected with the moving frame 51, the fixed partition 31 is fixed in the storage box body 1, and the movable partition 32 is slidably matched with the storage box body 1. During the movement of the moving frame 51, the movable partition 32 is driven to move synchronously, so that the separated compartments remain independent.

[0043] An air outlet pipe 21 is arranged in the refrigeration box body 2. A plurality of branch pipes 24 are connected to the end of the air outlet pipe 21, and the branch pipes 24 extend into the compartments in the storage box body 1. A blower 22 is arranged in the air outlet pipe 21. A blade 23 is fixedly connected to the rotating shaft of the blower 22. The blower 22 drives the blade 23 to rotate to convey the cold air in the refrigeration box body 2 into the storage box body 1. The cold air in the refrigeration box body 2 is conveyed into the storage box body 1 through the air outlet pipe 21, so as to ensure that the inside of the storage box body 1 maintains a low temperature environment.

[0044] A sluice gate for controlling the branch pipe 24 is arranged in the branch pipe 24. By controlling the position of the sluice gate, the air supply volume of different branch pipes 24 is adjusted, so that different compartments are in different temperature ranges.

[0045] The parts not involved in this technical solution can be implemented by using the existing technologies.

[0046] The foregoing has shown and described the basic principles, main features and characteristics of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of the present invention claimed includes the appended claims and their equivalents.

Claims

1. A cold-chain multi-temperature zone cold storage and refrigerated distribution device, comprising a storage box body (1) and a refrigeration box body (2), wherein the refrigeration box body (2) is fixedly connected to the storage box body (1) and conveys low-temperature gas into the storage box body (1); characterized in that: A plurality of partition components (3) are arranged in the storage box body (1), and the partition components (3) divide the storage box body (1) into a plurality of compartments; a box door (4) for opening the internal space of the storage box body (1) is arranged on one side of the storage box body (1); a wind blocking component (5) is movably arranged in the storage box body (1), the wind blocking component (5) is located inside the box door (4), and a driving component (6) is arranged in the storage box body (1), and the driving component (6) drives the wind blocking component (5) to move away from the box door (4) to reduce the refrigeration space of the goods storage environment.

2. The cold chain multi-temperature zone cold storage refrigerated distribution device according to claim 1, wherein: The wind blocking component (5) includes a moving frame (51) and a first moving plate (52) and a second moving plate (53) slidably connected in the moving frame (51). A guide rod (11) is fixedly connected to the storage box body (1), and the guide rod (11) passes through the moving frame (51) and is slidably matched with the moving frame (51); the moving frame (51) includes an upper beam (511) and side beams (512), there are two side beams (512) and they are respectively fixed at both ends of the upper beam (511). A first chute (5111) and a second chute (5112) are arranged in parallel on the upper beam (511). The first moving plate (52) is slidably connected in the first chute (5111) and is slidably matched along the first chute (5111), and the second moving plate (53) is slidably connected in the second chute (5112) and is slidably matched along the second chute (5112).

3. The cold chain multi-temperature zone cold storage refrigerated distribution device according to claim 2, characterized in that: The driving component (6) includes a transmission component (61) rotatably arranged in the storage box body (1), the transmission component (61) is arranged at both ends of the moving frame (51), the transmission component (61) includes a first roller (611), a second roller (612) and a transmission belt (613). The first roller (611) and the second roller (612) are both rotatably connected to the storage box body (1), and the transmission belt (613) is sleeved on the first roller (611) and the second roller (612) to form a belt drive connection. A driving motor (62) is installed in the storage box body (1), and the driving motor (62) is in transmission connection with the first roller (611) to drive the first roller (611) to rotate and drive the transmission belt (613) to rotate around the first roller (611); a clamping device (7) is arranged on the moving frame (51), and the clamping device (7) is clamped on the transmission belt (613). Transmission blocks (54) are fixedly connected to both the first moving plate (52) and the second moving plate (53), and the transmission blocks (54) cooperate with the clamping device (7) so that when the push rod (73) approaches the clamping device (7), the clamping device (7) is clamped on the transmission belt (613).

4. A cold-chain multi-temperature zone cold storage refrigerated distribution device according to claim 3, characterized in that: A second gear (63) is fixedly connected to the output shaft of the driving motor (62); a first rotating shaft (64) is rotatably connected inside the storage box (1); a third gear (65) is fixedly connected to the first rotating shaft (64); the second gear (63) and the third gear (65) are driven by gear meshing; a second rotating shaft (66) is fixedly connected to the axis of the first roller (611); a fourth gear (67) is fixedly connected to the second rotating shaft (66); a fifth gear (68) is fixedly connected to the first rotating shaft (64); the fourth gear (67) and the fifth gear (68) are driven by gear meshing; the first rotating shaft (64) is fixed to the second rotating shaft (66).

5. The cold chain multi-temperature zone cold storage refrigerated distribution device according to claim 3, characterized in that: The clamping device (7) comprises a mounting block (72) fixedly connected to the moving frame (51) and a clamping sleeve (71) fixed to the mounting block (72); a through hole is provided in the clamping sleeve (71), and the transmission belt (613) passes through the through hole; a push rod (73) is slidably matched on the mounting block (72); a clamping block (74) is connected to the end of the push rod (73) and the clamping block (74) extends into the clamping sleeve (71); the clamping block (74) is slidably matched with the clamping sleeve (71); a mounting cavity is provided on the mounting block (72); an end of the push rod (73) extends into the mounting cavity and is hingedly connected to a first support rod (75); an end of the first support rod (75) away from the push rod (73) is hingedly connected to a second support rod (76); an end of the second support rod (76) away from the first support rod (75) is hingedly connected to the second support rod (76) On the side wall of the installation cavity; a first compression spring (77) is arranged in the installation cavity, the first compression spring (77) is located on the side of the second support rod (76) away from the moving frame (51), and the end of the first compression spring (77) abuts against the second support rod (76); when the transmission block (54) is away from the transmission belt (613), the elastic force of the first compression spring (77) pushes the second support rod (76) out of the installation cavity in the direction of the moving frame (51); when the transmission block (54) moves in the direction of the transmission belt (613), the transmission block (54) presses the second support rod (76) so that the second support rod (76) and the first support rod (75) are spread apart to push the push rod (73) toward the transmission belt (613); the push rod (73) moves to abut the clamping block (74) against the transmission belt (613), so that the transmission belt (613) is clamped on the clamping sleeve (71).

6. The cold chain multi-temperature zone cold storage refrigerated distribution device according to claim 5, wherein: Micro switches (8) are fixed on the mounting blocks (72) on both sides of the storage box (1), and the contacts of the micro switches (8) are arranged opposite to the transmission block (54). When the transmission block (54) is close to the transmission belt (613), the transmission block (54) presses the contacts of the micro switches (8) to close the micro switches (8). The two micro switches (8) are connected in series in the control circuit of the drive motor (62), and the drive motor (62) is started after the two micro switches (8) are closed.

7. A cold chain multi-temperature zone cold storage refrigerated distribution device according to claim 5, characterized in that: One end of the push rod (73) close to the conveyor belt (613) is fixedly connected with a second compression spring (78), and the clamping block (74) is fixed to the end of the second compression spring (78) away from the push rod (73).

8. The cold chain multi-temperature zone cold storage and refrigerated distribution device according to claim 5, characterized in that: The partition assembly (3) includes a fixed partition (31) and a movable partition (32). The movable partition (32) is fixedly connected with the movable frame (51). The fixed partition (31) is fixed in the storage box body (1), and the movable partition (32) is slidably matched with the storage box body (1).

9. The cold chain multi-temperature zone cold storage refrigerated distribution device according to claim 2, characterized in that: An air outlet pipe (21) is arranged in the refrigeration box body (2). A plurality of branch pipes (24) are connected to the end of the air outlet pipe (21), and the branch pipes (24) extend into the compartments in the storage box body (1). A fan (22) is arranged in the air outlet pipe (21). A blade (23) is fixedly connected to the rotating shaft of the fan (22). The fan (22) drives the blade (23) to rotate, thereby conveying the cold air in the refrigeration box body (2) into the storage box body (1).

10. A cold chain multi-temperature zone cold storage refrigerated distribution device according to claim 9, characterized in that: A sluice for controlling the branch pipe (24) is arranged in the branch pipe (24).

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