A combined cold storage

Abstract

The present invention discloses a combined cold storage, comprising a first combined cold storage component, a second combined cold storage component and a third combined cold storage component; a frame mechanism is arranged on the outer sides of the first combined cold storage component, the second combined cold storage component and the third combined cold storage component; the combination modules of the first combined cold storage component, the second combined cold storage component and the third combined cold storage component are the same, the first combined cold storage component comprises a first beam, a second beam, a third beam, a first side plate, a second side plate and a third side plate, the first beam, the second beam and the third beam are mutually engaged and connected through an inner access notch and an outer access notch, the first side plate, the second side plate and the third side plate are correspondingly engaged between the first beam, the second beam and the third beam above and below through the dovetail tenon and the dovetail groove; the present invention can achieve stable connection and improve the strength and sealing of the connection.

Description

Technical Field

[0001] The invention belongs to the technical field of combined cold storage, and in particular relates to a combined cold storage. Background Art

[0002] According to the tonnage of the combined cold storage and the food process requirements, ammonia system, Freon system and ethylene glycol indirect cooling system are used. Ammonia system: The refrigerant is ammonia (R717), and the heat is taken away by evaporation of ammonia liquid to ensure the temperature required for food freezing and refrigeration. Freon system: The refrigerant is Freon (R22, R134a, R404a), which is mainly used for small combined cold storage and has a high degree of automation. Ethylene glycol indirect cooling system: The fully automatic control is simple and convenient. Through the small temperature difference heat exchange of ethylene glycol solution, the dry loss of food can be reduced. It is especially suitable for the storage of fruits and vegetables that require gas conditioning.

[0003] Modular cold storage is a common type of cold storage, which is widely used in various fields due to its flexibility, detachability and easy maintenance. However, the installation process of modular cold storage requires special attention to ensure its normal operation and service life.

[0004] However, there are some problems with the prior art: the existing combined cold storage has a single temperature range when in use, and cannot achieve different temperature control, so that the combined cold storage has a relatively single functionality when in use, cannot form a combined cold storage with step temperature control, cannot achieve food storage at multiple ambient temperatures, and the assembly of the combined cold storage is not stable enough, cannot withstand gravity or collision, and is prone to low-temperature air leakage. Therefore, we propose a combined cold storage. Summary of the invention

[0005] In view of the problems existing in the prior art, the purpose of the present invention is to provide a modular cold storage, which can be assembled and installed through dovetail grooves and dovetail tenons, thereby improving the supporting strength and sealing of the modular cold storage and preventing leakage of low-temperature air. Multiple modular cold storages can be assembled and installed to form environments in different temperature ranges to store and preserve different foods.

[0006] The present invention is implemented as follows: a modular cold storage comprises a first modular cold storage component, a second modular cold storage component and a third modular cold storage component; A frame mechanism is provided on the outer sides of the first combined cold storage component, the second combined cold storage component and the third combined cold storage component, and the frame mechanism includes a first square steel, a second square steel and a third party steel, and the first square steel, the second square steel and the third party steel are fixedly connected by a first connecting member and a second connecting member; The combination modules of the first combined cold storage component, the second combined cold storage component and the third combined cold storage component are the same. The first combined cold storage component includes a first U-shaped beam, a second U-shaped beam and a third U-shaped beam that are identical at the top and bottom. An inner access slot is provided at one end of the first U-shaped beam, an inner access slot is provided at one end of the second U-shaped beam and the third U-shaped beam, and an outer access slot is provided at the other end of the second U-shaped beam and the third U-shaped beam. Dovetail grooves are provided on the end faces of the first U-shaped beam, the second U-shaped beam and the third U-shaped beam, and dovetail tenons are provided on the upper and lower end faces of the first side panel, the second side panel and the third side panel.

[0007] Preferably, the end faces of the first beam and the first side plate are both provided with embedding grooves, one end of the first combined cold storage component is provided with a covering plate, one side of the covering plate is fixedly provided with an embedding strip, and the covering plate is connected to one end of the first combined cold storage component by snap-fitting the embedding strip inside the embedding groove.

[0008] Preferably, an isolation plate is fixedly installed at the other end of the first combined cold storage component, and connecting grooves are provided at the upper and lower ends of the isolation plate. The isolation plate is connected to the inner access grooves of the upper and lower third beams through the connecting grooves, and is fitly connected to the third side plates on both sides.

[0009] Preferably, an opening and closing door is movably mounted on the isolation plate via a hinge, a handle is fixedly mounted on one side of the opening and closing door, and a rotating lock is mounted in the middle of the opening and closing door.

[0010] Preferably, the connection between the inner access slot and the outer access slot, the connection between the dovetail tenon and the dovetail groove, the connection between the embedding groove and the embedding strip, and the fitting connection between the isolation panel and the third side panel are all coated with structural adhesive, and the inner walls of the first combined cold storage assembly, the second combined cold storage assembly and the third combined cold storage assembly are all bonded with an insulation layer by the structural adhesive.

[0011] Preferably, a refrigeration compressor is fixedly mounted on the outer side of the cover plate, a circulating condenser is connected to the refrigeration compressor, the circulating condenser is fixedly mounted on the top of the first combined cold storage component, and the upper third of the circulating condenser is embedded in the insulation layer.

[0012] Preferably, the first combined cold storage component, the second combined cold storage component and the third combined cold storage component are isolated and connected by the isolation plate, and a conveying mechanism for conveying cold air is installed between the first combined cold storage component, the second combined cold storage component and the third combined cold storage component; A first hole is formed at an upper corner of one side of the isolation plate of the first combined cold storage component and the second combined cold storage component, and a second hole is formed at a lower corner of one side of the isolation plate of the first combined cold storage component and the second combined cold storage component; The conveying mechanism includes a through conveying pipe installed in the first hole, a first solenoid valve is installed at one end of the through conveying pipe in the first combined cold storage component, a second solenoid valve is installed at one end of the through conveying pipe in the second combined cold storage component, a first air intake pipe is connected to one side of the through conveying pipe in the second combined cold storage component, a third solenoid valve is installed on the first air intake pipe, and a magnetic flow fan is installed inside one side of the first solenoid valve and the second solenoid valve of the through conveying pipe.

[0013] Preferably, a reflux mechanism for balancing air pressure is installed between the first combined cold storage component, the second combined cold storage component and the third combined cold storage component; The reflux mechanism includes a reflux pipe installed in the second hole, one end of the reflux pipe is in the third combined cold storage assembly, the other end of the reflux pipe is in the first combined cold storage assembly, and a fourth solenoid valve is installed on the end in the first combined cold storage assembly, a fifth solenoid valve is installed in the second combined cold storage assembly, the reflux pipe is connected to a second air intake pipe in the second combined cold storage assembly, a sixth solenoid valve is installed on the second air intake pipe, and a magnetic flow fan is installed inside the fifth solenoid valve and one side of the fifth solenoid valve.

[0014] Preferably, the through-conveying pipe is connected to a first diverter pipe in the second combined cold storage assembly, a seventh solenoid valve is installed on the first diverter pipe, the through-conveying pipe is connected to a second diverter pipe in the third combined cold storage assembly, an eighth solenoid valve is installed on the second diverter pipe, and the first diverter pipe and the second diverter pipe are respectively connected to a plurality of nozzles.

[0015] Preferably, the first diverter pipe and the second diverter pipe are both equipped with a blowing mechanism for blowing uniform low-temperature air, the blowing mechanism includes a fan frame, both ends of the fan frame are fixedly connected to the first diverter pipe and the second diverter pipe through connecting wings, a plurality of low-speed fans are installed inside the fan frame through a positioning plate, a protective net is fixedly installed on the end face of the fan frame, and a plurality of nozzles are arranged facing the fan frame.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention uses a frame mechanism to fix and support the first U-shaped beam, the second U-shaped beam, the third U-shaped beam, the first side plate, the second side plate and the third side plate installed in combination, so as to maintain the stability of the combined cold storage. In addition, in order to improve the connection strength among the first U-shaped beam, the second U-shaped beam, the third U-shaped beam, the first side plate, the second side plate and the third side plate and maintain the sealing of the connection, dovetail grooves are provided at the ends of the first U-shaped beam, the second U-shaped beam and the third U-shaped beam, and dovetail tenons are provided at the ends of the first side plate, the second side plate and the third side plate. The dovetail grooves and the dovetail tenons are engaged with each other to improve the connection strength. In order to improve the sealing between the first U-shaped beam, the second U-shaped beam and the third U-shaped beam, the inner access notch and the outer access notch are connected by a snap connection to improve the strength and sealing of the connection, and the first square steel and the second square steel in the frame mechanism are connected by a first connecting piece, and the first connecting piece is inserted and connected with the first square steel and the second square steel through an insertion block, and the stopper can maintain flushness to prevent protrusion and inconvenience in the installation connection of the combined cold storage, and the second connecting piece connects the third steel to the first square steel and the second square steel, thereby improving the connection strength and stability between the frame mechanisms; And a cold storage with stepped temperature is formed by combining the first combined cold storage component, the second combined cold storage component and the third combined cold storage component, so that food with different storage temperatures can be refrigerated, and the first combined cold storage component is cooled by a refrigeration compressor and a circulating condenser, and the low-temperature air in the first combined cold storage component is transported to the second combined cold storage component and the third combined cold storage component by a conveying mechanism between the first combined cold storage component, the second combined cold storage component and the third combined cold storage component, and the air pressure of the first combined cold storage component, the second combined cold storage component and the third combined cold storage component is balanced by a reflux mechanism, so as to prevent the conveying mechanism from causing uneven air pressure in the first combined cold storage component, the second combined cold storage component and the third combined cold storage component after conveying low-temperature air, thereby preventing danger; And in order to make the low-temperature air in the first combined cold storage component, the second combined cold storage component and the third combined cold storage component be evenly distributed and prevent the low-temperature air from accumulating at the nozzle, the low-temperature air is blown away by a blower mechanism so that the low-temperature air can be evenly distributed inside the first combined cold storage component, the second combined cold storage component and the third combined cold storage component, and the fan frame of the blower mechanism is combined and connected with the first shunt pipe and the second shunt pipe through connecting wings, so that the low-speed fan in the blower mechanism is correspondingly arranged with the nozzle, so that when the nozzle sprays out the low-temperature air, the low-speed fan can quickly disperse the low-temperature air, so that the low-temperature air can be quickly and evenly distributed in the first combined cold storage component, the second combined cold storage component and the third combined cold storage component; In addition, a plurality of solenoid valves are arranged on the conveying mechanism and the reflux mechanism, so as to control the low-temperature air in the first combined cold storage component to be conveyed to the second combined cold storage component or the third combined cold storage component, and to convey the low-temperature air in the second combined cold storage component to the third combined cold storage component, so as to realize the step-by-step control and adjustment of the temperature in the first combined cold storage component, the second combined cold storage component and the third combined cold storage component.

[0017] Further features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram provided by the present invention; Figure 2 It is a structural schematic diagram of a refrigeration compressor and a circulating condenser provided by the present invention; Figure 3 It is a structural schematic diagram of the frame mechanism provided by the present invention; Figure 4 is a schematic structural diagram of a first connecting member and a second connecting member provided by the present invention; Figure 5 It is a top view of the exploded structure of the first combined cold storage assembly provided by the present invention; Figure 6 It is a bottom view of the exploded structure of the first combined cold storage assembly provided by the present invention; Figure 7 The present invention provides Figure 5 A schematic diagram of the structure enlargement at A in FIG. Figure 8 The present invention provides Figure 5 A schematic diagram of the structure enlarged at B in FIG. Fig. 9 The present invention provides Figure 6 A schematic diagram of the structure enlarged at C in FIG. Fig.10 It is a top view of the structure of the conveying mechanism and the reflux mechanism provided by the present invention; Fig.11 It is a structural side view of the conveying mechanism and the reflux mechanism provided by the present invention; Fig.12 It is a top view of the structure of the conveying mechanism, the reflux mechanism and the blower mechanism provided by the present invention; Fig.13 It is a bottom view of the structures of the conveying mechanism, the reflux mechanism and the blowing mechanism provided by the present invention.

[0019] In the figure: 1. first combined cold storage component; 101a. first U-shaped beam; 101b. second U-shaped beam; 101c. third U-shaped beam; 102a. first side plate; 102b. second side plate; 102c. third side plate; 103. external access notch; 104. internal access notch; 105. cover plate; 106. embedding strip; 107. embedding groove; 108. isolation plate; 109. opening and closing door; 110. connection notch; 111. insulation layer; 112. rotating lock; 113. handle; 114. first hole; 115. second hole; 116. dovetail groove; 117. dovetail tenon; 2. second combined cold storage component; 3. third combined cold storage component; 4. frame mechanism; 401. first square steel; 402. second square steel; 403. third party steel; 404. first connecting Connector; 4041, stopper; 4042, insert block; 405, second connector; 4051, L-shaped plate; 4052, fixing bolt; 5, refrigeration compressor; 6, circulating condenser; 7, conveying mechanism; 701, through-conveying pipe; 702, first solenoid valve; 703, first shunt pipe; 704, seventh solenoid valve; 705, second solenoid valve; 706, second shunt pipe; 707, eighth solenoid valve; 708, first air inlet pipe; 709, third solenoid valve; 8, reflux mechanism; 801, reflux pipe; 802, fifth solenoid valve; 803, sixth solenoid valve; 804, second air inlet pipe; 805, fourth solenoid valve; 9, blowing mechanism; 901, fan frame; 902, connecting wing; 903, positioning plate; 904, low-speed fan; 905, protective net. DETAILED DESCRIPTION

[0020] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0021] like Figure 1-13 As shown, an embodiment of the present invention provides a modular cold storage, comprising a first modular cold storage component 1, a second modular cold storage component 2 and a third modular cold storage component 3; A frame mechanism 4 is provided on the outside of the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3. The frame mechanism 4 includes a first square steel 401, a second square steel 402 and a third party steel 403. The first square steel 401, the second square steel 402 and the third party steel 403 are fixedly connected by a first connecting member 404 and a second connecting member 405. The combination modules of the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 are the same. The first combined cold storage component 1 includes a first U-shaped beam 101a, a second U-shaped beam 101b and a third U-shaped beam 101c that are identical above and below. One end of the first U-shaped beam 101a is provided with an inner access notch 104, one end of the second U-shaped beam 101b and the third U-shaped beam 101c is provided with an inner access notch 104, and the other end of the second U-shaped beam 101b and the third U-shaped beam 101c is provided with an outer access notch 103. The first U-shaped beam 101a and the second U-shaped beam 101b are connected to each other by the inner access notch 104 and the outer access notch 103, and the second U-shaped beam 101b and the third U-shaped beam 101c are connected to each other by the inner access notch 104 and the outer access notch 103. 04 and the external access slot 103 are mutually engaged and connected, and the first side plate 102a, the second side plate 102b and the third side plate 102c are engaged and installed between the upper and lower corresponding first U-shaped beams 101a, the second U-shaped beams 101b and the third U-shaped beams 101c, and the end surfaces of the first U-shaped beams 101a, the second U-shaped beams 101b and the third U-shaped beams 101c are provided with dovetail grooves 116, and the upper and lower end surfaces of the first side plates 102a, the second side plates 102b and the third side plates 102c are provided with dovetail tenons 117, and the first side plates 102a, the second side plates 102b and the third side plates 102c are correspondingly engaged between the upper and lower first U-shaped beams 101a, the second U-shaped beams 101b and the third U-shaped beams 101c through the dovetail tenons 117 and the dovetail grooves 116; The first connecting member 404 includes a stopper 4041 for connecting the first square steel 401 and the second square steel 402, and inserting blocks 4042 are fixedly provided on both sides of the stopper 4041. The first square steel 401 and the second square steel 402 are assembled and connected by the inserting blocks 4042. A plurality of third-party steels 403 are connected between the first square steel 401 or the second square steel 402 through the second connecting member 405. The second connecting member 405 includes an L-shaped plate 4051 for fitting between the right-angled surfaces of the first square steel 401 and the third-party steel 403 or between the right-angled surfaces of the second square steel 402 and the third-party steel 403. The L-shaped plate 4051 is fixedly connected to the first square steel 401, the second square steel 402 or the third-party steel 403 by fixing bolts 4052.

[0022] In this embodiment, preferably, the end faces of the first U-shaped beam 101a and the first side plate 102a are both provided with an embedding groove 107, one end of the first combined cold storage component 1 is provided with a cover plate 105, one side of the cover plate 105 is fixedly provided with an embedding strip 106, and the cover plate 105 is connected to one end of the first combined cold storage component 1 by snap-fitting the embedding strip 106 inside the embedding groove 107; It should be noted that the setting of the cover plate 105 facilitates the sealing of one end of the first combined cold storage component 1, and the setting of the embedding groove 107 and the embedding strip 106 enables the cover plate 105 to be stably engaged and connected to one side of the first U-shaped beam 101a and the first side plate 102a, which can not only improve the stability of the installation, but also improve the sealing and prevent the leakage of low-temperature air.

[0023] In this embodiment, preferably, an isolation plate 108 is fixedly installed at the other end of the first combined cold storage component 1, and connection slots 110 are provided at the upper and lower ends of the isolation plate 108. The isolation plate 108 is connected to the inner access slots 104 of the upper and lower third U-shaped beams 101c through the connection slots 110, and is fitted and connected to the third side plates 102c on both sides; It should be noted that the setting of the isolation plate 108 is convenient for separating the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3, so that the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 can maintain a low temperature environment, and the connection slot 110 is connected with the inner access slot 104 of the third U-shaped beam 101c by snap-fitting, which can improve the stability of the connection and the sealing to prevent the leakage of low-temperature air.

[0024] In this embodiment, preferably, an opening and closing door 109 is movably mounted on the isolation plate 108 through a hinge, a handle 113 is fixedly mounted on one side of the opening and closing door 109, and a rotating lock 112 is mounted in the middle of the opening and closing door 109; It should be noted that in order to improve the sealing of the isolation plate 108 and enable the first combined cold storage assembly 1, the second combined cold storage assembly 2 and the third combined cold storage assembly 3 to communicate with each other, the opening and closing of the opening and closing door 109 is controlled by rotating the lock 112.

[0025] In this embodiment, preferably, the connection between the inner access notch 104 and the outer access notch 103, the connection between the dovetail tenon 117 and the dovetail groove 116, the connection between the embedding groove 107 and the embedding strip 106, and the fitting connection between the isolation plate 108 and the third side plate 102c are all coated with structural adhesive, and the inner walls of the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 are all adhered with the insulation layer 111 by the structural adhesive; It should be noted that in order to improve the sealing of the connection and prevent the leakage of low-temperature air, structural adhesive is applied to the connection to improve the connection strength and sealing of the connection, and the insulation layer 111 is bonded to further improve the sealing.

[0026] In this embodiment, preferably, a refrigeration compressor 5 is fixedly installed on the outer side of the cover plate 105, and a circulating condenser 6 is connected to the refrigeration compressor 5. The circulating condenser 6 is fixedly installed on the top of the first combined cold storage component 1, and the upper third of the circulating condenser 6 is embedded in the insulation layer 111; It should be noted that the first combined cold storage component 1 is cooled by the refrigeration compressor 5 and the circulating condenser 6, so that a low temperature environment can be maintained inside the first combined cold storage component 1, and one third of the circulating condenser 6 is embedded in the insulation layer 111, so as to maintain the installation stability of the circulating condenser 6.

[0027] In this embodiment, preferably, the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 are isolated and connected by an isolation plate 108, and a conveying mechanism 7 for conveying cold air is installed between the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3; A first hole 114 is provided at an upper corner of one side of the isolation plate 108 of the first combined cold storage component 1 and the second combined cold storage component 2, and a second hole 115 is provided at a lower corner of one side of the isolation plate 108 of the first combined cold storage component 1 and the second combined cold storage component 2; The conveying mechanism 7 includes a conveying pipe 701 installed in the first hole 114, a first solenoid valve 702 is installed at one end of the conveying pipe 701 in the first combined cold storage component 1, a second solenoid valve 705 is installed at one end of the conveying pipe 701 in the second combined cold storage component 2, a first air inlet pipe 708 is connected to one side of the conveying pipe 701 in the second combined cold storage component 2, a third solenoid valve 709 is installed on the first air inlet pipe 708, and a magnetic flow fan is installed inside one side of the first solenoid valve 702 and the second solenoid valve 705 of the conveying pipe 701; It should be noted that the low-temperature air is transported between the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 through the conveying mechanism 7, so that the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 can form a stepped temperature control, and a plurality of magnetic flow fans are arranged inside the conveying pipe 701 to facilitate the transmission of low-temperature air.

[0028] In this embodiment, preferably, a reflux mechanism 8 for balancing air pressure is installed between the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3; The reflux mechanism 8 includes a reflux pipe 801 installed in the second hole 115, one end of the reflux pipe 801 is in the third combined cold storage component 3, the other end of the reflux pipe 801 is in the first combined cold storage component 1, and a fourth solenoid valve 805 is installed on the end in the first combined cold storage component 1, the reflux pipe 801 is installed with a fifth solenoid valve 802 in the second combined cold storage component 2, the reflux pipe 801 is connected with a second air inlet pipe 804 in the second combined cold storage component 2, a sixth solenoid valve 803 is installed on the second air inlet pipe 804, and a magnetic flow fan is installed inside the reflux pipe 801 and one side of the fifth solenoid valve 802; It should be noted that by adjusting the air pressure in the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 through the reflux mechanism 8, the generation of air pressure difference inside the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 can be prevented, and the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 can be prevented from being affected by the air pressure difference.

[0029] In this embodiment, preferably, the delivery pipe 701 is connected to the first shunt pipe 703 in the second combined cold storage component 2, and the first shunt pipe 703 is installed with a seventh solenoid valve 704, and the delivery pipe 701 is connected to the second shunt pipe 706 in the third combined cold storage component 3, and the second shunt pipe 706 is installed with an eighth solenoid valve 707, and the first shunt pipe 703 and the second shunt pipe 706 are respectively connected with a plurality of nozzles; It should be noted that, through the setting of the first shunt pipe 703 and the second shunt pipe 706, the transmitted low-temperature air is respectively delivered to the second combined cold storage component 2 and the third combined cold storage component 3, so as to achieve cooling treatment of the second combined cold storage component 2 and the third combined cold storage component 3, so that a temperature difference is formed between the temperature in the second combined cold storage component 2 and the third combined cold storage component 3 and the temperature in the first combined cold storage component 1, which is convenient for storing foods with different temperature storage conditions.

[0030] In this embodiment, preferably, a blower mechanism 9 for blowing uniform low-temperature air is installed on both the first shunt pipe 703 and the second shunt pipe 706, and the blower mechanism 9 includes a fan frame 901, and both ends of the fan frame 901 are fixedly connected to the first shunt pipe 703 and the second shunt pipe 706 through connecting wings 902, and a plurality of low-speed fans 904 are installed inside the fan frame 901 through a positioning plate 903, and a protective net 905 is fixedly installed on the end surface of the fan frame 901, and a plurality of nozzles are arranged facing the fan frame 901; It should be noted that the fan frame 901 is installed on the first diversion pipe 703 and the second diversion pipe 706 through the positioning plate 903, so that the low-speed fan 904 inside the fan frame 901 corresponds to the nozzle, and then the low-speed fan 904 can blow the low-temperature air sprayed from the nozzle, so that the low-temperature air can be quickly and evenly distributed in the second combined cold storage component 2 and the third combined cold storage component 3, so that the low-temperature air is evenly distributed and the accumulation of low-temperature air is prevented.

[0031] In the first embodiment, a cold storage is installed in combination, and in order to improve the combination of multiple temperature stages, multiple combined cold storages are combined and connected to form a whole, and food is stored in the internal stepped temperature; A frame mechanism 4 is provided on the outside of the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3. The frame mechanism 4 includes a first square steel 401, a second square steel 402 and a third party steel 403. The first square steel 401, the second square steel 402 and the third party steel 403 are fixedly connected by a first connecting member 404 and a second connecting member 405. The combination modules of the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 are the same. The first combined cold storage component 1 includes a first U-shaped beam 101a, a second U-shaped beam 101b and a third U-shaped beam 101c that are identical above and below. One end of the first U-shaped beam 101a is provided with an inner access notch 104, one end of the second U-shaped beam 101b and the third U-shaped beam 101c is provided with an inner access notch 104, and the other end of the second U-shaped beam 101b and the third U-shaped beam 101c is provided with an outer access notch 103. The first U-shaped beam 101a and the second U-shaped beam 101b are connected to each other by the inner access notch 104 and the outer access notch 103, and the second U-shaped beam 101b and the third U-shaped beam 101c are connected to each other by the inner access notch 104 and the outer access notch 103. 04 and the external access slot 103 are mutually engaged and connected, and the first side plate 102a, the second side plate 102b and the third side plate 102c are engaged and installed between the upper and lower corresponding first U-shaped beams 101a, the second U-shaped beams 101b and the third U-shaped beams 101c, and the end surfaces of the first U-shaped beams 101a, the second U-shaped beams 101b and the third U-shaped beams 101c are provided with dovetail grooves 116, and the upper and lower end surfaces of the first side plates 102a, the second side plates 102b and the third side plates 102c are provided with dovetail tenons 117, and the first side plates 102a, the second side plates 102b and the third side plates 102c are correspondingly engaged between the upper and lower first U-shaped beams 101a, the second U-shaped beams 101b and the third U-shaped beams 101c through the dovetail tenons 117 and the dovetail grooves 116; The first connecting member 404 includes a stopper 4041 for connecting the first square steel 401 and the second square steel 402, and an inserting block 4042 is fixedly provided on both sides of the stopper 4041. The first square steel 401 and the second square steel 402 are assembled and connected by the inserting block 4042. A plurality of third-party steels 403 are connected between the first square steel 401 or the second square steel 402 through the second connecting member 405. The second connecting member 405 includes an L-shaped plate 4051 for affixing to the right-angle surface of the first square steel 401 and the third-party steel 403 or affixing to the right-angle surface of the second square steel 402 and the third-party steel 403. The L-shaped plate 4051 is fixedly connected to the first square steel 401, the second square steel 402 or the third-party steel 403 by fixing bolts 4052; The frame mechanism 4 is used to fix and support the first U-shaped beam 101a, the second U-shaped beam 101b, the third U-shaped beam 101c, the first side plate 102a, the second side plate 102b and the third side plate 102c installed in combination, so as to maintain the stability of the combined cold storage. In order to improve the connection strength among the first U-shaped beam 101a, the second U-shaped beam 101b, the third U-shaped beam 101c, the first side plate 102a, the second side plate 102b and the third side plate 102c and maintain the sealing of the connection, dovetail grooves 116 are provided at the ends of the first U-shaped beam 101a, the second U-shaped beam 101b and the third U-shaped beam 101c, and dovetail tenons 117 are provided at the ends of the first side plate 102a, the second side plate 102b and the third side plate 102c. The dovetail grooves 116 and the dovetail tenons 117 are engaged with each other to improve the strength and sealing of the connection. The sealing between the U-shaped beam 101a, the second U-shaped beam 101b and the third U-shaped beam 101c is improved by the snap connection between the inner access slot 104 and the outer access slot 103, and the first square steel 401 and the second square steel 402 in the frame mechanism 4 are connected by the first connecting piece 404, and the first connecting piece 404 is inserted and connected with the first square steel 401 and the second square steel 402 through the insertion block 4042, and the block 4041 can maintain flushness to prevent protrusion and inconvenience in the installation and connection of the combined cold storage, and the second connecting piece 405 connects the third party steel 403 with the first square steel 401 and the second square steel 402, thereby improving the connection strength and stability between the frame mechanism 4, and after the first square steel 401, the second square steel 402 are connected to the first connecting piece 404, they are fixedly connected by loose bolts to maintain the stability of the connection.

[0032] Embodiment 2: low-temperature air is transported between the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3, and the air pressure balance in the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 is kept stable; A frame mechanism 4 is provided on the outside of the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3. The frame mechanism 4 includes a first square steel 401, a second square steel 402 and a third party steel 403. The first square steel 401, the second square steel 402 and the third party steel 403 are fixedly connected by a first connecting member 404 and a second connecting member 405. The combination modules of the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 are the same. The first combined cold storage component 1 includes a first U-shaped beam 101a, a second U-shaped beam 101b and a third U-shaped beam 101c that are identical above and below. One end of the first U-shaped beam 101a is provided with an inner access notch 104, one end of the second U-shaped beam 101b and the third U-shaped beam 101c is provided with an inner access notch 104, and the other end of the second U-shaped beam 101b and the third U-shaped beam 101c is provided with an outer access notch 103. The first U-shaped beam 101a and the second U-shaped beam 101b are connected to each other by the inner access notch 104 and the outer access notch 103, and the second U-shaped beam 101b and the third U-shaped beam 101c are connected to each other by the inner access notch 104 and the outer access notch 103. 04 and the external access slot 103 are mutually engaged and connected, and the first side plate 102a, the second side plate 102b and the third side plate 102c are engaged and installed between the upper and lower corresponding first U-shaped beams 101a, the second U-shaped beams 101b and the third U-shaped beams 101c, and the end surfaces of the first U-shaped beams 101a, the second U-shaped beams 101b and the third U-shaped beams 101c are provided with dovetail grooves 116, and the upper and lower end surfaces of the first side plates 102a, the second side plates 102b and the third side plates 102c are provided with dovetail tenons 117, and the first side plates 102a, the second side plates 102b and the third side plates 102c are correspondingly engaged between the upper and lower first U-shaped beams 101a, the second U-shaped beams 101b and the third U-shaped beams 101c through the dovetail tenons 117 and the dovetail grooves 116; The first connecting member 404 includes a stopper 4041 for connecting the first square steel 401 and the second square steel 402, and an inserting block 4042 is fixedly provided on both sides of the stopper 4041. The first square steel 401 and the second square steel 402 are assembled and connected by the inserting block 4042. A plurality of third-party steels 403 are connected between the first square steel 401 or the second square steel 402 through the second connecting member 405. The second connecting member 405 includes an L-shaped plate 4051 for affixing to the right-angle surface of the first square steel 401 and the third-party steel 403 or affixing to the right-angle surface of the second square steel 402 and the third-party steel 403. The L-shaped plate 4051 is fixedly connected to the first square steel 401, the second square steel 402 or the third-party steel 403 by fixing bolts 4052; The frame mechanism 4 is used to fix and support the first U-shaped beam 101a, the second U-shaped beam 101b, the third U-shaped beam 101c, the first side plate 102a, the second side plate 102b and the third side plate 102c installed in combination, so as to maintain the stability of the combined cold storage. In order to improve the connection strength among the first U-shaped beam 101a, the second U-shaped beam 101b, the third U-shaped beam 101c, the first side plate 102a, the second side plate 102b and the third side plate 102c and maintain the sealing of the connection, dovetail grooves 116 are provided at the ends of the first U-shaped beam 101a, the second U-shaped beam 101b and the third U-shaped beam 101c, and dovetail tenons 117 are provided at the ends of the first side plate 102a, the second side plate 102b and the third side plate 102c. The dovetail grooves 116 and the dovetail tenons 117 are engaged with each other to improve the strength and sealing of the connection. The sealing between the U-shaped beam 101a, the second U-shaped beam 101b and the third U-shaped beam 101c is improved by the snap connection between the inner access slot 104 and the outer access slot 103, and the first square steel 401 and the second square steel 402 in the frame mechanism 4 are connected by the first connecting piece 404, and the first connecting piece 404 is inserted and connected with the first square steel 401 and the second square steel 402 through the insertion block 4042, and the stopper 4041 can maintain flushness to prevent protrusion and inconvenience in the installation and connection of the combined cold storage, and the second connecting piece 405 connects the third party steel 403 with the first square steel 401 and the second square steel 402, thereby improving the connection strength and stability between the frame mechanism 4, and after the first square steel 401, the second square steel 402 are connected to the first connecting piece 404, they are fixedly connected by loose bolts to maintain the stability of the connection; The first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 are isolated and connected by an isolation plate 108, and a conveying mechanism 7 for conveying cold air is installed between the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3; A first hole 114 is provided at an upper corner of one side of the isolation plate 108 of the first combined cold storage component 1 and the second combined cold storage component 2, and a second hole 115 is provided at a lower corner of one side of the isolation plate 108 of the first combined cold storage component 1 and the second combined cold storage component 2; The conveying mechanism 7 includes a conveying pipe 701 installed in the first hole 114, a first solenoid valve 702 is installed at one end of the conveying pipe 701 in the first combined cold storage component 1, a second solenoid valve 705 is installed at one end of the conveying pipe 701 in the second combined cold storage component 2, a first air inlet pipe 708 is connected to one side of the conveying pipe 701 in the second combined cold storage component 2, a third solenoid valve 709 is installed on the first air inlet pipe 708, and a magnetic flow fan is installed inside one side of the first solenoid valve 702 and the second solenoid valve 705 of the conveying pipe 701; The low-temperature air is transported between the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 by the transport mechanism 7, so that the temperature of the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 can be controlled in a stepped manner, and a plurality of magnetic flow fans are arranged inside the transport pipe 701 to facilitate the transmission of the low-temperature air; A reflux mechanism 8 for balancing air pressure is installed between the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3; The reflux mechanism 8 includes a reflux pipe 801 installed in the second hole 115, one end of the reflux pipe 801 is in the third combined cold storage component 3, the other end of the reflux pipe 801 is in the first combined cold storage component 1, and a fourth solenoid valve 805 is installed on the end in the first combined cold storage component 1, the reflux pipe 801 is installed with a fifth solenoid valve 802 in the second combined cold storage component 2, the reflux pipe 801 is connected with a second air inlet pipe 804 in the second combined cold storage component 2, a sixth solenoid valve 803 is installed on the second air inlet pipe 804, and a magnetic flow fan is installed inside the reflux pipe 801 and one side of the fifth solenoid valve 802; By adjusting the air pressure in the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 through the reflux mechanism 8, the air pressure difference inside the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 can be prevented, and the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 can be prevented from being affected by the air pressure difference; The delivery pipe 701 is connected to the first shunt pipe 703 in the second combined cold storage component 2, and the first shunt pipe 703 is installed with a seventh solenoid valve 704. The delivery pipe 701 is connected to the second shunt pipe 706 in the third combined cold storage component 3, and the second shunt pipe 706 is installed with an eighth solenoid valve 707. The first shunt pipe 703 and the second shunt pipe 706 are respectively connected with a plurality of nozzles. The transmitted low-temperature air is respectively delivered to the second combined cold storage component 2 and the third combined cold storage component 3 through the setting of the first shunt pipe 703 and the second shunt pipe 706, so as to cool the second combined cold storage component 2 and the third combined cold storage component 3, so that a temperature difference is formed between the temperature in the second combined cold storage component 2 and the third combined cold storage component 3 and the temperature in the first combined cold storage component 1, so as to facilitate the storage of foods with different temperature storage conditions.

[0033] Embodiment 3: In order to enable the transported low-temperature air to be quickly and evenly distributed inside the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3; A frame mechanism 4 is provided on the outside of the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3. The frame mechanism 4 includes a first square steel 401, a second square steel 402 and a third party steel 403. The first square steel 401, the second square steel 402 and the third party steel 403 are fixedly connected by a first connecting member 404 and a second connecting member 405. The combination modules of the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 are the same. The first combined cold storage component 1 includes a first U-shaped beam 101a, a second U-shaped beam 101b and a third U-shaped beam 101c that are identical above and below. One end of the first U-shaped beam 101a is provided with an inner access notch 104, one end of the second U-shaped beam 101b and the third U-shaped beam 101c is provided with an inner access notch 104, and the other end of the second U-shaped beam 101b and the third U-shaped beam 101c is provided with an outer access notch 103. The first U-shaped beam 101a and the second U-shaped beam 101b are connected to each other by the inner access notch 104 and the outer access notch 103, and the second U-shaped beam 101b and the third U-shaped beam 101c are connected to each other by the inner access notch 104 and the outer access notch 103. 04 and the external access slot 103 are mutually engaged and connected, and the first side plate 102a, the second side plate 102b and the third side plate 102c are engaged and installed between the upper and lower corresponding first U-shaped beams 101a, the second U-shaped beams 101b and the third U-shaped beams 101c, and the end surfaces of the first U-shaped beams 101a, the second U-shaped beams 101b and the third U-shaped beams 101c are provided with dovetail grooves 116, and the upper and lower end surfaces of the first side plates 102a, the second side plates 102b and the third side plates 102c are provided with dovetail tenons 117, and the first side plates 102a, the second side plates 102b and the third side plates 102c are correspondingly engaged between the upper and lower first U-shaped beams 101a, the second U-shaped beams 101b and the third U-shaped beams 101c through the dovetail tenons 117 and the dovetail grooves 116; The first connecting member 404 includes a stopper 4041 for connecting the first square steel 401 and the second square steel 402, and an inserting block 4042 is fixedly provided on both sides of the stopper 4041. The first square steel 401 and the second square steel 402 are assembled and connected by the inserting block 4042. A plurality of third-party steels 403 are connected between the first square steel 401 or the second square steel 402 through the second connecting member 405. The second connecting member 405 includes an L-shaped plate 4051 for affixing to the right-angle surface of the first square steel 401 and the third-party steel 403 or affixing to the right-angle surface of the second square steel 402 and the third-party steel 403. The L-shaped plate 4051 is fixedly connected to the first square steel 401, the second square steel 402 or the third-party steel 403 by fixing bolts 4052; The frame mechanism 4 is used to fix and support the first U-shaped beam 101a, the second U-shaped beam 101b, the third U-shaped beam 101c, the first side plate 102a, the second side plate 102b and the third side plate 102c installed in combination, so as to maintain the stability of the combined cold storage. In order to improve the connection strength among the first U-shaped beam 101a, the second U-shaped beam 101b, the third U-shaped beam 101c, the first side plate 102a, the second side plate 102b and the third side plate 102c and maintain the sealing of the connection, dovetail grooves 116 are provided at the ends of the first U-shaped beam 101a, the second U-shaped beam 101b and the third U-shaped beam 101c, and dovetail tenons 117 are provided at the ends of the first side plate 102a, the second side plate 102b and the third side plate 102c. The dovetail grooves 116 and the dovetail tenons 117 are engaged with each other to improve the strength and sealing of the connection. The sealing between the U-shaped beam 101a, the second U-shaped beam 101b and the third U-shaped beam 101c is improved by the snap connection between the inner access slot 104 and the outer access slot 103, and the first square steel 401 and the second square steel 402 in the frame mechanism 4 are connected by the first connecting piece 404, and the first connecting piece 404 is inserted and connected with the first square steel 401 and the second square steel 402 through the insertion block 4042, and the stopper 4041 can maintain flushness to prevent protrusion and inconvenience in the installation and connection of the combined cold storage, and the second connecting piece 405 connects the third party steel 403 with the first square steel 401 and the second square steel 402, thereby improving the connection strength and stability between the frame mechanism 4, and after the first square steel 401, the second square steel 402 are connected to the first connecting piece 404, they are fixedly connected by loose bolts to maintain the stability of the connection; The first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 are isolated and connected by an isolation plate 108, and a conveying mechanism 7 for conveying cold air is installed between the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3; A first hole 114 is provided at an upper corner of one side of the isolation plate 108 of the first combined cold storage component 1 and the second combined cold storage component 2, and a second hole 115 is provided at a lower corner of one side of the isolation plate 108 of the first combined cold storage component 1 and the second combined cold storage component 2; The conveying mechanism 7 includes a conveying pipe 701 installed in the first hole 114, a first solenoid valve 702 is installed at one end of the conveying pipe 701 in the first combined cold storage component 1, a second solenoid valve 705 is installed at one end of the conveying pipe 701 in the second combined cold storage component 2, a first air inlet pipe 708 is connected to one side of the conveying pipe 701 in the second combined cold storage component 2, a third solenoid valve 709 is installed on the first air inlet pipe 708, and a magnetic flow fan is installed inside one side of the first solenoid valve 702 and the second solenoid valve 705 of the conveying pipe 701; The low-temperature air is transported between the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 by the transport mechanism 7, so that the temperature of the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 can be controlled in a stepped manner, and a plurality of magnetic flow fans are arranged inside the transport pipe 701 to facilitate the transmission of the low-temperature air; A reflux mechanism 8 for balancing air pressure is installed between the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3; The reflux mechanism 8 includes a reflux pipe 801 installed in the second hole 115, one end of the reflux pipe 801 is in the third combined cold storage component 3, the other end of the reflux pipe 801 is in the first combined cold storage component 1, and a fourth solenoid valve 805 is installed on the end in the first combined cold storage component 1, the reflux pipe 801 is installed with a fifth solenoid valve 802 in the second combined cold storage component 2, the reflux pipe 801 is connected with a second air inlet pipe 804 in the second combined cold storage component 2, a sixth solenoid valve 803 is installed on the second air inlet pipe 804, and a magnetic flow fan is installed inside the reflux pipe 801 and one side of the fifth solenoid valve 802; By adjusting the air pressure in the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 through the reflux mechanism 8, the air pressure difference inside the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 can be prevented, and the first combined cold storage component 1, the second combined cold storage component 2 and the third combined cold storage component 3 can be prevented from being affected by the air pressure difference; The delivery pipe 701 is connected to the first shunt pipe 703 in the second combined cold storage component 2, and the first shunt pipe 703 is installed with a seventh solenoid valve 704. The delivery pipe 701 is connected to the second shunt pipe 706 in the third combined cold storage component 3, and the second shunt pipe 706 is installed with an eighth solenoid valve 707. The first shunt pipe 703 and the second shunt pipe 706 are respectively connected with a plurality of nozzles. The low-temperature air is respectively delivered to the second combined cold storage component 2 and the third combined cold storage component 3 through the setting of the first shunt pipe 703 and the second shunt pipe 706, so as to cool the second combined cold storage component 2 and the third combined cold storage component 3, so that the temperature difference between the second combined cold storage component 2 and the third combined cold storage component 3 and the temperature in the first combined cold storage component 1 is formed, so as to facilitate the storage of foods with different temperature storage conditions; The first shunt pipe 703 and the second shunt pipe 706 are both equipped with a blower mechanism 9 for blowing uniform low-temperature air. The blower mechanism 9 includes a blower frame 901. Both ends of the blower frame 901 are fixedly connected to the first shunt pipe 703 and the second shunt pipe 706 via connecting wings 902. A plurality of low-speed blowers 904 are installed inside the blower frame 901 via a positioning plate 903. A protective net 905 is fixedly installed on the end surface of the blower frame 901, and a plurality of nozzles are arranged facing the blower frame 901. The fan frame 901 is installed on the first shunt pipe 703 and the second shunt pipe 706 through the positioning plate 903, so that the low-speed fan 904 inside the fan frame 901 corresponds to the nozzle, and then the low-speed fan 904 can blow the low-temperature air sprayed from the nozzle, so that the low-temperature air can be quickly and evenly distributed in the second combined cold storage component 2 and the third combined cold storage component 3, so that the low-temperature air is evenly distributed and the accumulation of low-temperature air is prevented.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined cold storage, characterized in that: It comprises a first combined cold storage component (1), a second combined cold storage component (2) and a third combined cold storage component (3); A frame mechanism (4) is provided on the outer sides of the first combined cold storage component (1), the second combined cold storage component (2) and the third combined cold storage component (3); the frame mechanism (4) comprises a first square steel (401), a second square steel (402) and a third party steel (403); the first square steel (401), the second square steel (402) and the third party steel (403) are fixedly connected by a first connecting member (404) and a second connecting member (405); The first combined cold storage component (1), the second combined cold storage component (2) and the third combined cold storage component (3) have the same combined modules. The first combined cold storage component (1) comprises a first U-shaped beam (101a), a second U-shaped beam (101b) and a third U-shaped beam (101c) which are identical in upper and lower parts. One end of the first U-shaped beam (101a) is provided with an inner access notch (104), and one end of the second U-shaped beam (101b) and the third U-shaped beam (101c) is provided with a An inner access notch (104) is provided, the other ends of the second U-shaped beam (101b) and the third U-shaped beam (101c) are provided with an outer access notch (103), the end surfaces of the first U-shaped beam (101a), the second U-shaped beam (101b) and the third U-shaped beam (101c) are provided with dovetail grooves (116), and the upper and lower end surfaces of the first side plate (102a), the second side plate (102b) and the third side plate (102c) are provided with dovetail tenons (117).

2. A combined cold storage according to claim 1, characterized in that: The end surfaces of the first U-shaped beam (101a) and the first side plate (102a) are both provided with an embedding groove (107); one end of the first combined cold storage component (1) is provided with a cover plate (105); one side of the cover plate (105) is fixedly provided with an embedding strip (106); the cover plate (105) is connected to one end of the first combined cold storage component (1) by snap-fitting the embedding strip (106) in the embedding groove (107).

3. A combined cold storage according to claim 2, characterized in that: An isolation plate (108) is fixedly mounted on the other end of the first combined cold storage component (1), and connection notches (110) are provided at the upper and lower ends of the isolation plate (108). The isolation plate (108) is snap-connected to the inner access notches (104) of the upper and lower third U-shaped beams (101c) through the connection notches (110), and is fitted and connected to the third side plates (102c) on both sides.

4. A combined cold storage according to claim 3, characterized in that: An opening and closing door (109) is movably mounted on the isolation plate (108) via a hinge, a handle (113) is fixedly mounted on one side of the opening and closing door (109), and a rotating lock (112) is mounted in the middle of the opening and closing door (109).

5. A combined cold storage according to claim 4, characterized in that: The connection between the inner access notch (104) and the outer access notch (103), the connection between the dovetail tenon (117) and the dovetail groove (116), the connection between the embedding groove (107) and the embedding strip (106), and the fitting connection between the isolation plate (108) and the third side plate (102c) are all coated with structural adhesive, and the inner walls of the first combined cold storage component (1), the second combined cold storage component (2), and the third combined cold storage component (3) are all bonded with an insulation layer (111) by means of the structural adhesive.

6. A combined cold storage according to claim 5, characterized in that: A refrigeration compressor (5) is fixedly mounted on the outer side of the cover plate (105), a circulating condenser pipe (6) is connected to the refrigeration compressor (5), the circulating condenser pipe (6) is fixedly mounted on the top of the first combined cold storage component (1), and an upper third of the circulating condenser pipe (6) is embedded in the thermal insulation layer (111).

7. A combined cold storage according to claim 6, characterized in that: The first combined cold storage component (1), the second combined cold storage component (2) and the third combined cold storage component (3) are isolated and connected via the isolation plate (108), and a conveying mechanism (7) for conveying cold air is installed between the first combined cold storage component (1), the second combined cold storage component (2) and the third combined cold storage component (3); A first hole (114) is provided at an upper corner of one side of the isolation plate (108) of the first combined cold storage component (1) and the second combined cold storage component (2), and a second hole (115) is provided at a lower corner of one side of the isolation plate (108) of the first combined cold storage component (1) and the second combined cold storage component (2); The conveying mechanism (7) comprises a conveying pipe (701) installed in the first hole (114); a first solenoid valve (702) is installed at one end of the conveying pipe (701) located in the first combined cold storage component (1); a second solenoid valve (705) is installed at one end of the conveying pipe (701) located in the second combined cold storage component (2); a first air intake pipe (708) is connected to one side of the conveying pipe (701) located in the second combined cold storage component (2); a third solenoid valve (709) is installed on the first air intake pipe (708); and a magnetic flow fan is installed inside one side of the conveying pipe (701) on one side of the first solenoid valve (702) and the second solenoid valve (705).

8. A combined cold storage according to claim 7, characterized in that: A reflux mechanism (8) for balancing air pressure is installed between the first combined cold storage component (1), the second combined cold storage component (2) and the third combined cold storage component (3); The return mechanism (8) comprises a return pipe (801) installed in the second hole (115), one end of the return pipe (801) is located in the third combined cold storage component (3), the other end of the return pipe (801) is located in the first combined cold storage component (1), and a fourth solenoid valve (805) is installed on the end located in the first combined cold storage component (1), a fifth solenoid valve (802) is installed on the return pipe (801) in the second combined cold storage component (2), the return pipe (801) is connected to a second air intake pipe (804) in the second combined cold storage component (2), a sixth solenoid valve (803) is installed on the second air intake pipe (804), and a magnetic flow fan is installed inside the return pipe (801) and on one side of the fifth solenoid valve (802).

9. A combined cold storage according to claim 7, characterized in that: The through-conveying pipe (701) is connected to a first shunt pipe (703) in the second combined cold storage component (2), and a seventh solenoid valve (704) is installed on the first shunt pipe (703). The through-conveying pipe (701) is connected to a second shunt pipe (706) in the third combined cold storage component (3), and an eighth solenoid valve (707) is installed on the second shunt pipe (706). The first shunt pipe (703) and the second shunt pipe (706) are respectively connected to a plurality of nozzles.

10. A combined cold storage according to claim 9, characterized in that: The first shunt pipe (703) and the second shunt pipe (706) are both installed with a blowing mechanism (9) for blowing uniform low-temperature air, the blowing mechanism (9) comprising a fan frame (901), the two ends of the fan frame (901) being fixedly connected to the first shunt pipe (703) and the second shunt pipe (706) via connecting wings (902), a plurality of low-speed fans (904) being installed inside the fan frame (901) via a positioning plate (903), a protective net (905) being fixedly installed on the end surface of the fan frame (901), and a plurality of nozzles being arranged facing the fan frame (901).

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