Modular refrigeration module and refrigeration cabinet

Abstract

The application relates to the technical field of refrigeration equipment, and discloses an assembled refrigeration module and a refrigeration cabinet, which comprise a drying filter, a protection piece, a driving mechanism and a linkage mechanism. The linkage mechanism is connected between the front filter screen and the protection piece and between the rear filter screen and the protection piece, the linkage mechanism drives the protection piece to move, and the moving direction of the protection piece is opposite to that of the front filter screen or the rear filter screen. Through the setting of the driving mechanism, the turbine fan is driven to rotate by using the flow of the refrigerant, so that the extrusion block intermittently extrudes the guide convex ring, the front filter screen and the rear filter screen reciprocally move and vibrate under the action of the elastic piece one. The vibration can effectively shake off the impurities attached to the front filter screen and the dust attached to the rear filter screen, avoids the blockage of the filter screen, ensures the stability of the refrigerant flow passage area, and thus maintains the system refrigeration capacity and operation efficiency.

Description

Technical Field

[0001] This invention relates to the field of refrigeration equipment technology, specifically to assembled refrigeration modules and refrigeration cabinets. Background Technology

[0002] The refrigeration module is a core component of refrigeration equipment such as air conditioners and refrigerators. It typically consists of a compressor, condenser, capillary tube, dryer filter, and evaporator connected by piping to form a closed-loop system. The refrigerant circulates continuously within these components, achieving heat exchange and transfer through phase change.

[0003] As a critical protective component in the refrigeration module, the main function of the refrigerant filter is to remove moisture and solid impurities from the refrigerant to ensure system cleanliness and smooth refrigerant flow. However, under current technological conditions, refrigerant filters still have the following drawbacks in practical applications, directly affecting the reliability and service life of the refrigeration system:

[0004] First, there's the issue of mechanical wear caused by desiccant particle pulverization. The desiccant filter is filled with granular desiccant. During refrigeration system operation, the desiccant particles rub and collide with each other due to pipe vibrations caused by the compressor or the instantaneous impact of liquid refrigerant, leading to pulverization of the particle surface. The resulting fine dust particles are small in diameter and easily penetrate the downstream filter screen, entering the compressor cylinder with the refrigerant flow. Once this hard dust enters the compressor's moving parts (such as the cylinder walls, pistons, and bearings), it acts as an abrasive, accelerating component wear. In severe cases, it can cause cylinder scoring or bearing seizure, resulting in compressor failure. Simultaneously, the dust also exacerbates desiccant pulverization, reducing its water absorption efficiency.

[0005] Secondly, there's the problem of impaired circulation caused by clogged filters. The main cause of clogging is excessive impurities within the system. These impurities come from a wide range of sources, including metal shavings worn off from the compressor during long-term operation, oxide scale not properly cleaned during pipe welding, sludge formed by the chemical reaction between refrigerant and refrigeration oil at high temperatures, and dust introduced during installation and maintenance. When these impurities accumulate to a certain level, they clog the fine mesh of the dryer filter, causing physical blockage. This reduces the refrigerant flow cross-sectional area, lowers the pressure at the capillary tube tip, and ultimately reduces or even completely disables the system's cooling capacity.

[0006] In summary, optimizing the structure of the dryer filter or the design of related refrigeration systems to solve the problems of desiccant pulverization and filter clogging, and improving the stability and reliability of the refrigeration module under long-term operation, is a technical problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0007] The purpose of this invention is to address the shortcomings of existing technologies by providing a modular refrigeration module and refrigeration cabinet, thereby solving the problems of desiccant powdering and clogging, and improving the operational reliability and stability of the refrigeration module.

[0008] The objective of this invention can be achieved through the following technical solutions:

[0009] A modular refrigeration module, comprising a compressor, a condenser, a capillary tube, and an evaporator, further comprising:

[0010] A drying filter includes a housing with an inlet and an outlet at both ends. The inlet is connected to the outlet of a condenser, and the outlet is connected to the inlet of a capillary tube. A front filter and a rear filter are installed inside the housing, and several elastic elements are connected between the front and rear filters and the end of the inner cavity of the housing.

[0011] The protective components include two sets of protective components symmetrically installed inside the housing. The two sets of protective components are located between the front filter and the rear filter, forming a drying chamber between the two sets of protective components. The drying chamber stores desiccant.

[0012] The driving mechanism includes a fixed cylinder and a rotating rod. The fixed cylinder passes through the front filter, the rear filter, and two sets of protective components. Several support plates are provided around the fixed cylinder in the area between the front filter and the protective components and between the rear filter and the protective components. The other end of the support plates is fixed to the inner wall of the housing. The rotating rod is rotatably installed inside the fixed cylinder. A turbine fan is provided at one end of the rotating rod facing the liquid inlet. Two sets of connecting rods are provided around the rotating rod. The two sets of connecting rods are respectively close to the two ends of the fixed cylinder. A squeezing block is provided at the other end of the connecting rod. A guide protrusion ring is provided on the side of the front filter near the liquid inlet and the side of the rear filter near the liquid outlet. When the squeezing block moves to the guide protrusion ring, it squeezes the guide protrusion ring.

[0013] The linkage mechanism connects the front filter to the protective component and the rear filter to the protective component. The linkage mechanism drives the protective component to move in the opposite direction to the movement of the front filter or the rear filter.

[0014] As a further embodiment of the present invention: the two sets of connecting rods, extrusion blocks and guide rings are symmetrical about the center point of the center line of the two sets of protective components. The guide ring is semi-circular. The end of the guide ring facing the rotation direction of the extrusion block is wedge-shaped. The corresponding side of the extrusion block is also wedge-shaped. The front filter and the rear filter are both inclined towards the liquid inlet end.

[0015] As a further embodiment of the present invention: the protective component includes a protective net, and an elastic element two is connected between the protective net and the support plate; the linkage mechanism includes a main gear plate, a driven gear plate, a support column, and a gear; the main gear plate is fixed on the surface of the front or rear filter screen, the driven gear plate is fixed on the surface of the protective net, the support column is provided in two sets and is fixed on the inner wall of the housing, the two sets of support columns are provided with a sliding groove on opposite sides and a slider is slidably installed on both sides, a gear is rotatably installed between the two sets of sliders, and an elastic element three is connected between the slider and the sliding groove; pressure plates are symmetrically arranged on both sides of the main gear plate, and a guide slope is provided at the end of the pressure plate near the gear shaft; when the main gear plate moves toward the gear, the pressure plate presses down on the gear so that the gear meshes with the driven gear plate.

[0016] As a further embodiment of the present invention: the protective component further includes a rotating ring, the protective net having an inner ring on the side facing the rotating ring, the rotating ring having an outer ring on the side facing the protective net, the outer wall of the inner ring being fitted with the inner wall of the outer ring, a rotating mechanism being installed between the protective net and the rotating ring, the rotating mechanism including a fixed column and a rotating component, the fixed column being fixed to one side of the protective net, the rotating component being movably installed on one side of the rotating ring, and the fixed column being connected to the rotating component.

[0017] As a further embodiment of the present invention: the rotating component includes an outer cylinder and an inner cylinder, the inner cylinder is rotatably installed inside the outer cylinder, the rotating ring has an annular groove, the outer cylinder is movably installed inside the annular groove, the fixing column is sleeved inside the inner cylinder, the inner cylinder has a guide groove, the fixing column has a guide block, the guide block is located in the guide groove and moves along the guide groove, the outer cylinder has a plurality of teeth arranged in a ring array, the outer cylinder has a plurality of plates arranged in a ring array rotatably installed around the inner cylinder, the plates are connected to the outer wall of the inner cylinder by an elastic element, one side of the teeth is a plane and the other side is an inclined plane, the outer cylinder has a plurality of main tooth blocks around its periphery, the outer ring has a plurality of driven tooth blocks around its periphery, and the plurality of main tooth blocks and the plurality of driven tooth blocks mesh with each other.

[0018] As a further aspect of the present invention: a guide rod is provided on the side of the rotating ring facing the protective net, and two sets of spiral grooves are symmetrically provided in the inner cavity of the housing, with the guide rod located in the spiral groove and moving along the spiral groove.

[0019] As a further embodiment of the present invention: two sets of collection boxes are provided through the bottom of the housing, and collection components are installed on both the front and rear filters. The collection components include a collection seat and a baffle. Two sets of movable grooves are symmetrically opened on the inner wall of the housing. The collection seat is located on the side of the front or rear filter facing the liquid inlet end, and the baffle is located on the side of the front or rear filter facing the liquid outlet end. The collection seat and the baffle are slidably installed in the movable groove. A through hole is provided through the collection seat, and a plurality of filter holes are provided on the baffle.

[0020] A refrigeration cabinet, wherein the refrigeration cabinet is equipped with the prefabricated refrigeration module as described above.

[0021] The beneficial effects of this invention are:

[0022] (1) This invention, by setting up a driving mechanism, utilizes the refrigerant's own flow to drive the turbine fan to rotate, thereby causing the extrusion block to intermittently extrude the guide ring, causing the front and rear filters to reciprocate and vibrate under the action of the elastic element. This vibration can effectively shake off impurities attached to the front filter and dust on the rear filter, preventing filter blockage and ensuring a stable refrigerant flow cross-sectional area, thereby maintaining the system's cooling capacity and operating efficiency.

[0023] (2) By setting up a linkage mechanism, the present invention drives the protective component to move in the opposite direction when the front or rear filter moves, so that the space on both sides inside the drying chamber alternately expands and contracts. This allows the refrigerant to first flush away the dust and then be dehydrated, or the refrigerant to be dehydrated and then flush away the dust, thereby realizing the dual functions of self-cleaning and efficient moisture absorption of the desiccant.

[0024] (3) By setting up a rotating mechanism in conjunction with a spiral groove, the present invention drives the rotating ring to rotate slowly and move axially during the reciprocating movement of the protective component, so that the space of the drying chamber gradually expands as the desiccant absorbs water and expands. This design effectively avoids the desiccant from sticking and clumping due to expansion, ensuring the particle shape and moisture absorption activity of the desiccant, thereby maintaining the stability and reliability of the long-term operation of the drying filter. Attached Figure Description

[0025] The invention will now be further described with reference to the accompanying drawings.

[0026] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 This is a schematic diagram of the internal structure of the drying filter in this invention;

[0028] Figure 3 This is a schematic diagram of the internal structure of the dryer filter in this invention from another perspective;

[0029] Figure 4 This is a schematic diagram of the linkage mechanism structure in this invention;

[0030] Figure 5 This is a schematic diagram of the protective component structure in this invention;

[0031] Figure 6 This is a schematic diagram of the rotating component structure in this invention;

[0032] Figure 7 This is a schematic diagram of the cross-sectional structure of the rotating component in this invention;

[0033] Figure 8This is a schematic diagram of the connection structure between the transfer ring and the housing in this invention;

[0034] Figure 9 This is a schematic diagram of the cross-sectional structure of the shell in this invention;

[0035] Figure 10 yes Figure 9 Enlarged structural diagram at point A in the middle;

[0036] Figure 11 This is a schematic diagram of the refrigeration module installed inside the refrigeration cabinet.

[0037] In the picture:

[0038] 1. Compressor; 2. Condenser; 3. Capillary tube; 4. Dryer filter; 41. Housing; 42. Liquid inlet; 43. Liquid outlet; 44. Front filter; 441. Guide ring; 45. Rear filter; 46. Drying chamber; 47. Elastic element one; 48. Spiral groove; 49. Movable groove; 5. Evaporator; 6. Protective components; 61. Protective net; 611. Inner ring; 612. Elastic element two; 62. Rotating ring; 621. Outer ring; 622. Follower gear block; 623. Ring groove; 624. Guide rod; 7. Drive mechanism; 71. Fixed cylinder; 711. Support plate; 72. Rotating rod; 73. Turbine fan; 74. Connecting 741. Connecting rod; 8. Extrusion block; 9. Linkage mechanism; 10. Main gear plate; 11. Pressure plate; 12. Guide slope; 13. Driven gear plate; 14. Support column; 15. Slider; 16. Elastic element three; 17. Gear; 18. Rotating mechanism; 19. Fixed column; 10. Guide block; 11. Rotating element; 12. Outer cylinder; 13. Main gear block; 14. Clamping tooth; 15. Inner cylinder; 16. Guide groove; 17. Clamping plate; 18. Elastic element four; 19. Collection box; 10. Collection assembly; 111. Collection seat; 1111. Through hole; 112. Baffle; 1121. Filter hole. Detailed Implementation

[0039] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0040] like Figures 1-4 As shown, the assembled refrigeration module includes a compressor 1, a condenser 2, a capillary tube 3, and an evaporator 5. The module also includes:

[0041] The dryer filter 4 includes a housing 41. The housing 41 has an inlet end 42 and an outlet end 43 at its two ends. The inlet end 42 is connected to the outlet of the condenser 2, and the outlet end 43 is connected to the inlet of the capillary tube 3. A front filter screen 44 and a rear filter screen 45 are installed inside the housing 41. Several elastic elements 47 are connected between the front filter screen 44 and the rear filter screen 45 and the end of the inner cavity of the housing 41.

[0042] Protective component 6: Two sets of protective components 6 are symmetrically installed inside the housing 41. The two sets of protective components 6 are located between the front filter 44 and the rear filter 45, and a drying chamber 46 is formed between the two sets of protective components 6. The drying chamber 46 stores desiccant.

[0043] The drive mechanism 7 includes a fixed cylinder 71 and a rotating rod 72. The fixed cylinder 71 passes through the front filter screen 44, the rear filter screen 45, and two sets of protective parts 6. Several support plates 711 are provided on the periphery of the fixed cylinder 71 in the area between the front filter screen 44 and the protective parts 6 and between the rear filter screen 45 and the protective parts 6. The other end of the support plate 711 is fixed to the inner wall of the housing 41. The rotating rod 72 is rotatably installed inside the fixed cylinder 71. A turbine fan 73 is provided at one end of the rotating rod 72 facing the liquid inlet end 42. Two sets of connecting rods 74 are provided on the periphery of the rotating rod 72. The two sets of connecting rods 74 are respectively close to the two ends of the fixed cylinder 71. A squeezing block 741 is provided at the other end of the connecting rod 74. A guide ring 441 is provided on the side of the front filter screen 44 near the liquid inlet end 42 and the side of the rear filter screen 45 near the liquid outlet end 43. When the squeezing block 741 moves to the guide ring 441, it squeezes the guide ring 441.

[0044] The linkage mechanism 8 is connected between the front filter 44 and the protective component 6 and between the rear filter 45 and the protective component 6. The linkage mechanism 8 drives the protective component 6 to move, and the direction of movement is opposite to the direction of movement of the front filter 44 or the rear filter 45.

[0045] In practical application, the refrigerant enters the dryer filter 4 through the liquid inlet 42. The refrigerant first passes through the pre-filter 44, which filters out impurities. The filtered refrigerant then enters the drying chamber 46, where it comes into contact with the desiccant to remove moisture. It then passes through the post-filter 45, which filters out dust generated by the desiccant. Finally, the pure refrigerant exits from the liquid outlet 43 and enters the capillary tube 3. The pre-filter 44 and post-filter 45 effectively filter out impurities and dust generated by the desiccant, ensuring that the refrigerant entering the system is pure, thus preventing equipment damage or a decrease in cooling efficiency.

[0046] Since the refrigerant enters under high pressure, it drives the turbine fan 73 to rotate, which in turn causes the rotating rod 72 to drive the two sets of connecting rods 74 to rotate. When the squeezing block 741 moves to the guide ring 441, it squeezes the guide ring 441, causing the front filter 44 to move towards the liquid outlet 43 and the rear filter 45 to move towards the liquid inlet 42. When the squeezing block 741 passes the guide ring 441, the rebound of several elastic elements 47 causes the front filter 44 and the rear filter 45 to return to their original positions. During the rebound, the front filter 44 and the rear filter 45 will vibrate. This vibration can effectively shake off the impurities clogging the front filter 44 and the dust clogging the rear filter 45, thereby reducing the degree of clogging of the front filter 44 and the rear filter 45, thus expanding the refrigerant flow cross-sectional area and ensuring smooth refrigerant flow. This ensures that pure refrigerant flows into the system while avoiding a decrease in cooling effect.

[0047] With the linkage mechanism 8 in place, when the current filter 44 and the rear filter 45 move towards each other, the linkage mechanism 8 connects with the protective components 6, causing the two sets of protective components 6 to move in opposite directions. This temporarily expands the space of the drying chamber 46, making the desiccant inside loose. When the high-velocity refrigerant passes through, it washes down the dust inside, which is eventually filtered by the rear filter 45. This removes the dust, preventing it from being trapped inside the desiccant and causing it to pulverize or reduce its water absorption. At the same time, it concentrates and filters the powder, preventing it from entering the system with the refrigerant and causing wear to the equipment.

[0048] Furthermore, the two sets of connecting rods 74, the squeezing block 741, and the guide ring 441 are all symmetrical about the center point of the two sets of protective parts 6. The guide ring 441 is semi-circular, and the end of the guide ring 441 facing the rotation direction of the squeezing block 741 is wedge-shaped. The corresponding side of the squeezing block 741 is also wedge-shaped. The front filter screen 44 and the rear filter screen 45 are both inclined towards the liquid inlet end 42. Two sets of collection boxes 10 are provided through the bottom of the housing 41.

[0049] In practical application, the squeezing block 741 and the guide ring 441 work together to cause the front filter 44 and the rear filter 45 to move back and forth intermittently. When the squeezing block 741 at the front filter 44 starts to squeeze the guide ring 441, the squeezing block 741 at the rear filter 45 just passes the guide ring 441. This causes the front filter 44 to move toward the liquid outlet 43, at which point the rear filter 45 just bounces back to its original position. When the rear filter 45 moves toward the liquid inlet 42, the front filter 44 just bounces back to its original position. That is, the front filter 44 and the rear filter 45 are squeezed and moved alternately.

[0050] When the current filter 44 is squeezed and moved, the linkage mechanism 8 causes the protective component 6 to move towards the front filter 44, thus temporarily expanding the space in the drying chamber 46 near the front filter 44. As the refrigerant passes through this area, it carries away the internal dust. When the refrigerant flows into the area of ​​the drying chamber 46 near the rear filter 45, the space has not yet expanded, so the desiccant is still in a pushing state. As the refrigerant passes through, the desiccant removes water from the refrigerant. When the rear filter 45 is squeezed and moved, the linkage mechanism 8 causes the protective component 6 to move towards the rear filter 45, thus temporarily expanding the space in the drying chamber 46 near the rear filter 44. The space near the rear filter 45 is temporarily expanded. When the refrigerant flows into the area near the front filter 44 of the drying chamber 46, the space here has not yet expanded. Therefore, the desiccant here is still in a pushing state. When the refrigerant passes through, the desiccant here removes water from the refrigerant. The refrigerant continues to flow into the area near the rear filter 45 of the drying chamber 46. The refrigerant will carry away the dust that was originally washed into this area from the drying chamber 46 and eventually be blocked by the rear filter 45. This allows the front and rear areas of the drying chamber 46 to be loosened alternately, so that while removing water from the refrigerant, the dust can also be cleaned out of the drying chamber 46 by the refrigerant.

[0051] When the front filter 44 is squeezed and moves, the space between the front filter 44 and the protective component 6 shrinks, causing a brief increase in pressure within this space. This briefly compresses the refrigerant within the space. Simultaneously, the rear filter 45 rebounds and vibrates, causing the refrigerant between the front filter 44 and the protective component 6 to flow in the opposite direction after being compressed. This backwashes away impurities clogging the front filter 44. The compressed refrigerant accelerates towards the rear filter 45, generating a small pulse wave. The dust shaken off, impacted by the pulse wave and influenced by the tilt of the rear filter 45, enters the collection box 10 below, thus collecting the dust. To prevent dust from entering the refrigeration system and damaging the equipment, when the rear filter 45 is squeezed and moved, the space between the rear filter 45 and the protective component 6 will shrink. This will cause a temporary increase in pressure in this space, resulting in a temporary compression of the refrigerant within this space. Meanwhile, the front filter 44 rebounds and vibrates, causing the refrigerant between the rear filter 45 and the protective component 6 to flow in the opposite direction after being compressed. This generates a tiny pulse wave. Impurities shaken off by this pulse wave, combined with the tilt of the front filter 44, are forced into the collection box 10 below, thus concentrating and collecting the impurities and ensuring the flow cross-sectional area of ​​the front filter 44. The tiny pulse waves generated by the movement of the front and rear filters 44 break the static laminar flow of the refrigerant in the drying chamber 46, allowing the refrigerant to come into more thorough contact with the desiccant, thereby improving the dehydration and dust removal effects.

[0052] Furthermore, the protective component 6 includes a protective net 61, and an elastic element 612 is connected between the protective net 61 and the support plate 711. The linkage mechanism 8 includes a main gear plate 81, a driven gear plate 82, a support column 83, and a gear 85. The main gear plate 81 is fixed on the surface of the front filter screen 44 or the rear filter screen 45, and the driven gear plate 82 is fixed on the surface of the protective net 61. There are two sets of support columns 83, both of which are fixed on the inner wall of the housing 41. Each set of support columns 83 has a sliding groove on one side and a slider 84 is slidably installed on each side. A gear 85 is rotatably installed between the two sets of sliders 84. An elastic element 841 is connected between the slider 84 and the sliding groove. Pressure plates 811 are symmetrically arranged on both sides of the main gear plate 81. A guide slope 812 is provided at the end of the pressure plate 811 near the shaft of the gear 85. When the main gear plate 81 moves toward the gear 85, the pressure plate 811 presses down on the gear 85, causing the gear 85 to mesh with the driven gear plate 82.

[0053] In practical application, when the current filter 44 or the rear filter 45 moves, the main toothed plate 81 moves toward the gear 85. Through the pressure plate 811 and the guide slope 812, the gear 85 moves downward. When the main toothed plate 81 moves to the gear 85, it meshes with the gear 85. During the downward movement, the gear 85 meshes with the driven toothed plate 82, thereby causing the driven toothed plate 82 to drive the protective net 61 to move. When the current filter 44 or the rear filter 45 rebounds, the main toothed plate 81 moves away from the gear 85. Through the transmission of the gear 85, the driven toothed plate 82 moves in the opposite direction. When the pressure plate 811 and the guide slope 812 move away from the shaft of the gear 85, the rebound of the elastic element 841 causes the gear 85 to move upward and separate from the driven toothed plate 82. This provides conditions for the subsequent independent movement of the protective net 61.

[0054] like Figures 1-8 As shown, the protective component 6 also includes a rotating ring 62. The protective net 61 has an inner ring 611 on the side facing the rotating ring 62, and the rotating ring 62 has an outer ring 621 on the side facing the protective net 61. The outer wall of the inner ring 611 is fitted with the inner wall of the outer ring 621. A rotating mechanism 9 is installed between the protective net 61 and the rotating ring 62. The rotating mechanism 9 includes a fixed post 91 and a rotating component 92. The fixed post 91 is fixed to one side of the protective net 61, and the rotating component 92 is movably installed on one side of the rotating ring 62. The fixed post 91 is connected to the rotating component 92.

[0055] Rotating component 92 includes an outer cylinder 921 and an inner cylinder 922. The inner cylinder 922 is rotatably mounted inside the outer cylinder 921. A ring groove 623 is formed on the rotating ring 62. The outer cylinder 921 is movably mounted in the ring groove 623. A fixing post 91 is sleeved inside the inner cylinder 922. A guide groove 9221 is formed inside the inner cylinder 922. A guide block 911 is provided on the fixing post 91. The guide block 911 is located in the guide groove 9221 and moves along the guide groove 9221. The outer cylinder 921 has... A plurality of locking teeth 9212 arranged in a ring are arranged in a ring, and a plurality of locking plates 9222 arranged in a ring are rotatably installed on the outer periphery of the inner cylinder 922. An elastic element 9223 is connected between the locking plates 9222 and the outer wall of the inner cylinder 922. One side of the locking teeth 9212 is a flat surface and the other side is an inclined surface. A plurality of main tooth blocks 9211 are provided on the outer periphery of the outer cylinder 921, and a plurality of driven tooth blocks 622 are provided on the outer periphery of the outer ring 621. The plurality of main tooth blocks 9211 and the plurality of driven tooth blocks 622 mesh with each other.

[0056] The rotating ring 62 is provided with a guide rod 624 on the side facing the protective net 61. The inner cavity of the housing 41 is symmetrically provided with two sets of spiral grooves 48. The guide rod 624 is located in the spiral grooves 48 and moves along the spiral grooves 48.

[0057] In one embodiment, the guide groove 9221 is spiral.

[0058] In practical application, when the current filter 44 or the rear filter 45 is squeezed and moves, causing the protective net 61 to move, the fixing post 91 moves away from the inner cylinder 922, and the guide block 911 moves within the guide groove 9221, causing the inner cylinder 922 to rotate. At this time, the clamping plate 9222 rotates along the inclined surface of the clamping tooth 9212, thus squeezing the clamping plate 9222 and preventing it from pushing the clamping tooth 9212 to rotate the outer cylinder 921. When the current filter 44 or the rear filter 45 rebounds and moves the protective net 61, the fixing post 91 enters the inner cylinder 922, causing the inner cylinder 922 to reverse. At this time, the clamping plate 9222 rotates along the plane of the clamping tooth 9212, and the clamping plate 9222 is blocked by the clamping tooth 9212, thus preventing the inner cylinder from rotating. As 922 rotates, the outer cylinder 921 also rotates. Through the cooperation of several main tooth blocks 9211 and several driven tooth blocks 622, the rotating ring 62 rotates. The guide rod 624 on the rotating ring 62 moves along the spiral groove 48, causing the rotating ring 62 to move a small distance toward the protective net 61. Through the cooperation of the inner ring 611 and the outer ring 621, the protective net 61 moves along with the rotating ring 62. This causes the two sets of protective parts 6 to move outward a small distance alternately, thus slowly expanding the space of the drying chamber 46. Since the desiccant expands after absorbing water, the space of the drying chamber 46 can reserve space for the expansion of the desiccant when it slowly expands intermittently, thereby preventing the desiccant from sticking together and ensuring the water absorption effect of the desiccant.

[0059] like Figure 2 , Figure 9 and Figure 10 As shown, a collection assembly 11 is installed on both the front filter 44 and the rear filter 45. The collection assembly 11 includes a collection seat 111 and a baffle 112. Two sets of movable grooves 49 are symmetrically opened on the inner wall of the housing 41. The collection seat 111 is located on the side of the front filter 44 or the rear filter 45 facing the liquid inlet end 42, and the baffle 112 is located on the side of the front filter 44 or the rear filter 45 facing the liquid outlet end 43. The collection seat 111 and the baffle 112 are slidably installed in the movable grooves 49. A through hole 1111 is opened through the collection seat 111, and a number of filter holes 1121 are opened on the baffle 112.

[0060] In practical application, when the current filter 44 is in the initial position, the baffle 112 on the front filter 44 is above the collection box 10. The refrigerant in the collection box 10 can be discharged through several filter holes 1121. When the front filter 44 bounces back to its original position, the shaken-off impurities will enter the through hole 1111 at the collection seat 111. When the current filter 44 is squeezed and moved, the through hole 1111 on the collection seat 111 will slowly overlap with the top of the collection box 10, so that the impurities are carried into the collection box 10, while the baffle 112 gradually moves away from the collection box 10. At this time, some refrigerant cannot be discharged after entering the collection box 10. When the rear filter 45 is in its initial position, the collection seat 111 on the rear filter 45 is above the collection box 10. That is, when the rear filter 45 bounces back to its original position, the dust that is shaken off will enter the through hole 1111 at the collection seat 111 and enter the collection box 10. When the rear filter 45 is squeezed and moved, the collection seat 111 moves away from the collection box 10, while the baffle 112 moves closer to the collection box 10. The refrigerant in the collection box 10 will be discharged through several filter holes 1121.

[0061] like Figure 11 As shown, a refrigeration cabinet is provided, in which a prefabricated refrigeration module as described above is installed.

Claims

1. A modular refrigeration module, comprising a compressor (1), a condenser (2), a capillary tube (3), and an evaporator (5), characterized in that, The module also includes: The drying filter (4) includes a housing (41), with an inlet end (42) and an outlet end (43) at both ends of the housing (41). The inlet end (42) is connected to the outlet of the condenser (2), and the outlet end (43) is connected to the inlet of the capillary tube (3). A front filter screen (44) and a rear filter screen (45) are installed inside the housing (41), and a plurality of elastic elements (47) are connected between the front filter screen (44) and the rear filter screen (45) and the end of the inner cavity of the housing (41). Protective component (6): Two sets of protective components (6) are symmetrically installed inside the housing (41). The two sets of protective components (6) are located between the front filter (44) and the rear filter (45). A drying chamber (46) is formed between the two sets of protective components (6). A desiccant is stored in the drying chamber (46). The drive mechanism (7) includes a fixed cylinder (71) and a rotating rod (72). The fixed cylinder (71) passes through the front filter (44), the rear filter (45), and two sets of protective parts (6). Several support plates (711) are provided on the periphery of the fixed cylinder (71) in the area between the front filter (44) and the protective parts (6) and between the rear filter (45) and the protective parts (6). The other end of the support plate (711) is fixed to the inner wall of the housing (41). The rotating rod (72) is rotatably installed inside the fixed cylinder (71). 2) A turbine fan (73) is provided at one end facing the liquid inlet end (42). Two sets of connecting rods (74) are provided around the rotating rod (72). The two sets of connecting rods (74) are respectively close to the two ends of the fixed cylinder (71). A squeezing block (741) is provided at the other end of the connecting rod (74). A guide ring (441) is provided on the side of the front filter (44) close to the liquid inlet end (42) and the side of the rear filter (45) close to the liquid outlet end (43). When the squeezing block (741) moves to the guide ring (441), it squeezes the guide ring (441). Linkage mechanism (8): The front filter (44) and the protective component (6) and the rear filter (45) and the protective component (6) are both connected by linkage mechanism (8). The linkage mechanism (8) drives the protective component (6) to move, and the moving direction is opposite to the moving direction of the front filter (44) or the rear filter (45).

2. The assembled refrigeration module according to claim 1, characterized in that, The two sets of connecting rods (74), extrusion blocks (741) and guide rings (441) are symmetrical about the center point of the two sets of protective parts (6). The guide ring (441) is semi-circular. The end of the guide ring (441) facing the rotation direction of the extrusion block (741) is wedge-shaped. The corresponding side of the extrusion block (741) is also wedge-shaped. The front filter (44) and the rear filter (45) are both inclined towards the liquid inlet end (42).

3. The assembled refrigeration module according to claim 2, characterized in that, The protective component (6) includes a protective net (61), and an elastic element (612) is connected between the protective net (61) and the support plate (711). The linkage mechanism (8) includes a main gear plate (81), a driven gear plate (82), a support column (83), and a gear (85). The main gear plate (81) is fixed on the surface of the front filter (44) or the rear filter (45), and the driven gear plate (82) is fixed on the surface of the protective net (61). The support column (83) has two sets, both of which are fixed on the inner wall of the housing (41). The two sets of support columns (83) are opposite to each other. Each side has a groove and a slider (84) is slidably installed. A gear (85) is rotatably installed between the two sets of sliders (84). An elastic element (841) is connected between the slider (84) and the groove. Pressure plates (811) are symmetrically arranged on both sides of the main gear plate (81). A guide slope (812) is provided at one end of the pressure plate (811) near the shaft of the gear (85). When the main gear plate (81) moves toward the gear (85), the pressure plate (811) presses down on the gear (85) so that the gear (85) meshes with the driven gear plate (82).

4. The assembled refrigeration module according to claim 3, characterized in that, The protective component (6) also includes a rotating ring (62). The protective net (61) has an inner ring (611) on the side facing the rotating ring (62), and the rotating ring (62) has an outer ring (621) on the side facing the protective net (61). The outer wall of the inner ring (611) is fitted with the inner wall of the outer ring (621). A rotating mechanism (9) is installed between the protective net (61) and the rotating ring (62). The rotating mechanism (9) includes a fixed column (91) and a rotating component (92). The fixed column (91) is fixed on one side of the protective net (61), and the rotating component (92) is movably installed on one side of the rotating ring (62). The fixed column (91) is connected to the rotating component (92).

5. The assembled refrigeration module according to claim 4, characterized in that, The rotating component (92) includes an outer cylinder (921) and an inner cylinder (922). The inner cylinder (922) is rotatably mounted inside the outer cylinder (921). The rotating ring (62) has an annular groove (623). The outer cylinder (921) is movably mounted inside the annular groove (623). The fixing column (91) is sleeved inside the inner cylinder (922). The inner cylinder (922) has a guide groove (9221). The fixing column (91) has a guide block (911). The guide block (911) is located inside the guide groove (9221) and moves along the guide groove (9221). The outer cylinder (921) is provided with a number of ring-shaped teeth (9212) inside. The inner cylinder (922) is rotatably mounted with a number of ring-shaped plates (9222) around its periphery. An elastic element (9223) is connected between the plates (9222) and the outer wall of the inner cylinder (922). One side of the teeth (9212) is a flat surface and the other side is an inclined surface. The outer cylinder (921) is provided with a number of main teeth (9211) around its periphery. The outer ring (621) is provided with a number of secondary teeth (622) around its periphery. The main teeth (9211) and the secondary teeth (622) mesh with each other.

6. The assembled refrigeration module according to claim 5, characterized in that, The rotating ring (62) has a guide rod (624) on the side facing the protective net (61). The inner cavity of the housing (41) is symmetrically provided with two sets of spiral grooves (48). The guide rod (624) is located in the spiral groove (48) and moves along the spiral groove (48).

7. The assembled refrigeration module according to claim 2, characterized in that, Two sets of collection boxes (10) are provided through the bottom of the housing (41). Collection components (11) are installed on the front filter (44) and the rear filter (45). The collection components (11) include a collection seat (111) and a baffle (112). Two sets of movable grooves (49) are symmetrically opened on the inner wall of the housing (41). The collection seat (111) is located on the side of the front filter (44) or the rear filter (45) facing the liquid inlet end (42). The baffle (112) is located on the side of the front filter (44) or the rear filter (45) facing the liquid outlet end (43). The collection seat (111) and the baffle (112) are slidably installed in the movable groove (49). A through hole (1111) is provided through the collection seat (111). A number of filter holes (1121) are provided on the baffle (112).

8. A refrigeration cabinet, characterized in that, The refrigeration cabinet is equipped with a prefabricated refrigeration module as described in any one of claims 1-7.

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