Evaporator assembly and refrigeration equipment

Abstract

The invention particularly relates to an evaporator assembly and refrigeration equipment. The evaporator assembly comprises a fin and an evaporation coil pipe penetrating through the fin, and the fin comprises a bent part; the evaporator assembly further comprises a stretching unit acting on the bending part, and the stretching unit drives the bending part to stretch and deform in the direction opposite to the bending direction of the bending part under the acting force of external force. The stretching unit acting on the bending part drives the bending part to stretch and deform in the direction opposite to the bending direction of the bending part under the acting force of external force. The fins full of frost vibrate due to deformation, meanwhile, the surfaces of the fins are extruded and stretched, defrosting is achieved through stretching of the stretching unit, the temperature of the evaporator cavity cannot be greatly increased, energy loss cannot be caused, and the defrosting device has the advantages of being high in defrosting efficiency, capable of saving energy, efficient and easy to implement.

Description

Technical Field

[0001] The invention relates to the field of refrigeration technology, in particular to an evaporator component and a refrigeration device. Background Art

[0002] At present, all evaporators can meet the refrigeration requirements. Evaporators need to be equipped with corresponding heating wires to achieve defrosting. First, the defrosting of the evaporator requires the defrosting heating wire to be heated to the corresponding temperature and then the frost flows down. The temperature rise caused by defrosting accelerates the oxidation rate of food, making the food preservation effect poor. Second, the traditional method of defrosting by heating the heating wire causes a lot of energy loss. Third, the defrosting heating wire needs to be heated to a higher temperature, which is unsafe. Fourth, defrosting takes a long time, which reduces the refrigeration performance. Therefore, it is necessary to study an evaporator component and refrigeration equipment to solve the above problems. Summary of the invention

[0003] The present invention aims to provide an evaporator assembly with high defrosting efficiency, high energy saving efficiency and simple implementation.

[0004] In order to achieve the above objectives, an embodiment of the present invention provides an evaporator assembly, including a fin, and an evaporation coil through which the fin is penetrated, wherein the fin includes a bent portion;

[0005] The evaporator assembly further includes a stretching unit acting on the bent portion, and the stretching unit drives the bent portion to stretch and deform in a direction opposite to the bending direction of the bent portion under the action of an external force.

[0006] As a further improvement of one embodiment of the present invention, it further includes fixing plates arranged on both sides of the fin;

[0007] The stretching unit includes a steel rope passing through the fin, one end of the steel rope passes through the fin and is fixed to a fixing plate, and the other end of the steel rope is extended to the outside of the evaporator.

[0008] As a further improvement of an embodiment of the present invention, a plurality of fins are arranged at intervals along the left-right direction;

[0009] The curved portion is an S-shaped structure, and includes a first curved portion extending to the right and a second curved portion extending to the left;

[0010] A plurality of fins arranged at intervals along the left-right direction are defined as a group of fins, and a group of fins is correspondingly provided with two steel ropes;

[0011] One of the steel ropes passes through the centers of the first curved portions of the plurality of fins in sequence, and another of the steel ropes passes through the second curved portions of the plurality of fins in sequence;

[0012] The evaporating coil passes through the middle of the plurality of fins in sequence.

[0013] As a further improvement of an embodiment of the present invention, two springs are provided corresponding to one of the steel ropes, and the two springs are respectively provided between the first curved portion at both ends and the adjacent fixing plate;

[0014] Alternatively, the two springs are respectively arranged between the second curved portion at both ends and the adjacent fixing plates.

[0015] As a further improvement of an embodiment of the present invention, a plurality of fins are arranged at intervals along the left-right direction;

[0016] The steel rope comprises a first section with one end fixed to the fixing plate and passing through a plurality of the fins, and a second section extending forward from the other end of the first section;

[0017] The stretching unit also includes a buckle;

[0018] Wherein, the buckle is provided with a through hole for the second section to pass through.

[0019] As a further improvement of an embodiment of the present invention, a plurality of fins spaced apart in the left-right direction are defined as a group of fins, and a plurality of groups of fins are spaced apart in the up-down direction;

[0020] At least one steel rope is correspondingly arranged for each group of fins;

[0021] The first sections of the plurality of steel ropes are arranged at intervals in a direction from top to bottom, and the second sections of the plurality of steel ropes pass through the through holes respectively.

[0022] As a further improvement of an embodiment of the present invention, a first pulley is correspondingly arranged on one side of each group of fins, and a plurality of first pulleys are arranged at intervals from top to bottom, and each of the evaporator components further includes a second pulley arranged between the first pulley and the through hole, and the second pulley is arranged adjacent to the first pulley arranged at the bottom layer;

[0023] The other end of the steel rope passing through each group of fins passes through the first pulley, the second pulley, and the through hole in sequence.

[0024] As a further improvement of one embodiment of the present invention, the diameter of the steel rope is set to 1.5-2.5 mm, and the diameter of the evaporating coil is set to 7.5-8.5 mm;

[0025] The height of the fin is set to 90 mm, and the thickness of the fin is set to 0.2 mm.

[0026] In order to solve the above problems, the present invention also provides a refrigeration device with high defrosting efficiency, high energy saving and high efficiency, and simple implementation.

[0027] A refrigeration device comprises a box body and an evaporator assembly as described above;

[0028] The evaporator assembly is arranged in the box.

[0029] As a further improvement of an embodiment of the present invention, the box body forms a storage space, and the evaporator assembly further includes a drawer accommodated in the storage space and drawn in a front-to-back direction;

[0030] The stretching unit is connected to the drawer;

[0031] Wherein, when the drawer moves forward, the stretching unit drives the bending portion to deform in a direction opposite to the bending direction of the bending portion;

[0032] When the drawer moves backward, the bent portion recovers its deformation.

[0033] As a further improvement of an embodiment of the present invention, the drawer comprises a drawer body, a gear disposed on the drawer body, and the box body is provided with a rack extending from rear to front and meshing and rolling with the gear;

[0034] The stretching unit is fixed on the gear.

[0035] Compared with the prior art, the beneficial effects of the present invention are as follows: the evaporator assembly and refrigeration equipment provided by the present invention realize the fixed installation of the fins and the evaporator coil by passing through the finned evaporator coil, and the bending portion is driven to stretch and deform in the direction opposite to the bending direction of the bending portion by the stretching unit acting on the bending portion under the action of an external force. The fins covered with frost vibrate due to deformation, and at the same time, the surface is squeezed and stretched, so that part of the frost on the surface falls off due to vibration, and part falls off due to squeezing and stretching. The heat generated by the deformation of the fins melts the frost on the surface of the fins, thereby achieving the defrosting effect. Defrosting achieved by stretching the stretching unit will not significantly increase the temperature of the evaporator chamber, nor will it cause energy loss, and has the advantages of high defrosting efficiency, energy saving and high efficiency, and simple implementation. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a schematic diagram of the structure of the evaporator assembly of the present invention;

[0037] Figure 2 for Figure 1 Schematic diagram of the enlarged structure of the A region;

[0038] Figure 3a It is a schematic diagram of the fin of the evaporator assembly of the present invention before being stretched;

[0039] Figure 3b It is a schematic diagram of the fins of the evaporator assembly of the present invention in a stretched state.

[0040] In the figure: 1, fin; 11, bend; 111, first bend; 112, second bend; 2, evaporator coil; 3, fixing plate; 4, steel rope; 41, first section; 42, second section; 5, spring; 6, buckle; 61, through hole; 71, first pulley; 72, second pulley; 8, drawer; 81, drawer body; 82, gear; 83, rack. DETAILED DESCRIPTION

[0041] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0042] The terms "including" and "having" and any variations thereof in the present invention are intended to cover non-exclusive inclusions. Reference to "embodiments" herein means that the specific features, structures, or characteristics described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0043] The left and right, front and back, and up and down in this embodiment represent the relative positional relationship between three groups of directions, and those skilled in the art may make various changes thereto in form and details.

[0044] Combination Figures 1 to 3b As shown, the present invention mainly relates to: an evaporator assembly, including a fin 1 and an evaporation coil 2 through which the fin 1 is provided. Refrigerant flows in the evaporation coil 2. The fin 1 is used for heat exchange with air. The fin 1 is a thin sheet structure. The fin 1 includes a bending portion 11. The bending portion 11 can be bent and deformed under the action of an external force.

[0045] Preferably, the material of the fin 1 is aluminum, which has excellent deformation ability and ductility and can be deformed under the action of very small force.

[0046] The evaporator assembly further includes a stretching unit acting on the curved portion 11. The stretching unit drives the curved portion 11 to stretch and deform in a direction opposite to the bending direction of the curved portion 11 under the action of an external force. The stretching unit can be manually operated, can be automatically stretched by a driving mechanism, and can also be stretched and moved in response to the movement of other mechanisms.

[0047] In this embodiment, the bending portion 11 forms a groove with an opening when it is bent, and the bending direction of the bending portion 11 refers to the opening direction of the groove formed by the bending portion 11.

[0048] Specifically, the fin 1 covered with frost vibrates due to deformation, and the surface is squeezed and stretched, so that part of the frost on the surface falls off due to vibration, and part falls off due to squeezing and stretching. The heat generated by the deformation of the fin 1 melts the frost on the surface of the fin 1, thereby achieving the defrosting effect. Defrosting by stretching the stretching unit will not significantly increase the temperature of the evaporator chamber, nor will it cause energy loss, and has the advantages of high defrosting efficiency and energy saving.

[0049] Reference Figure 1 As shown, the evaporator assembly further includes fixing plates 3 disposed on both sides of the fin 1. In this embodiment, the fixing plates 3 are disposed on the left and right sides of the fin 1. The fin 1 is disposed between the two fixing plates 3. The fin 1 is a leaf-shaped thin sheet structure similar to a fan blade.

[0050] The stretching unit includes a steel rope 4 passing through the fin 1, one end of the steel rope 4 passes through the fin 1 and is fixed on the fixing plate 3, and the other end of the steel rope 4 extends out of the evaporator. The other end of the steel rope 4 serves as the end point of the stretching force.

[0051] Furthermore, a plurality of fins 1 are arranged at intervals along the left-right direction. The fins 1 are formed in one piece. The plurality of fins 1 are sleeved on the evaporating coil 2 and arranged in parallel and at intervals to perform heat exchange with the air. The fins 1 are provided with through holes for the evaporating coil 2 to pass through.

[0052] In this embodiment, the curved portion 11 is an S-shaped structure, and the curved portion 11 includes a first curved portion 111 extending to the right and a second curved portion 112 extending to the left.

[0053] A plurality of fins 1 spaced apart in the left-right direction is defined as a group of fins 1, and a group of fins 1 is provided with at least two corresponding steel ropes 4. In this embodiment, a group of fins 1 is provided with two corresponding steel ropes 4.

[0054] A steel rope 4 sequentially passes through the center of the first curved portion 111 of the plurality of fins 1. A steel rope 4 acts on the center of the first curved portion 111 and causes the first curved portion 111 to bend and deform to the left, vibrating due to the deformation while the surface is compressed and stretched.

[0055] Another steel rope 4 sequentially passes through the second curved portions 112 of the plurality of fins 1. Another steel rope acts on the center of the second curved portion 112 and causes the second curved portion 112 to bend and deform to the right, vibrating due to the deformation while the surface is compressed and stretched.

[0056] The evaporation coil 2 passes through the middle of the plurality of fins 1 in sequence. The middle of the fin 1 is also the connection between the first curved portion 111 and the second curved portion 112. A through hole is provided in the middle of the fin 1 for the evaporation coil 2 to pass through.

[0057] In this embodiment, the evaporator assembly is applicable to a refrigerator. It can be understood that the evaporator assembly is also applicable to other refrigeration equipment.

[0058] It is understandable that the curved portion 11 may also be configured as other structures, such as a wavy structure, wherein the wavy structure includes a plurality of curved segments. The number of the steel ropes 4 is configured correspondingly to the number of the curved segments.

[0059] Furthermore, two springs 5 ​​are provided for one steel rope 4. The two springs 5 ​​are respectively provided between the first curved portion 111 at both ends and the adjacent fixing plate 3.

[0060] Furthermore, two springs 5 ​​are respectively disposed between the second curved portions 112 at both ends and the adjacent fixing plates 3 .

[0061] Combination Figure 2 As shown, in this embodiment, the curved portion 11 is an S-shaped structure, and a group of fins 1 is provided with two steel cables 4. Each steel cable 4 is provided with two springs 5, and the springs 5 ​​play a role in assisting the curved portion 11 to restore its deformation.

[0062] Furthermore, a plurality of fins 1 are arranged at intervals in the left-right direction.

[0063] The steel rope 4 includes a first section 41 with one end fixed on the fixing plate 3 and passing through a plurality of fins 1, and a second section 42 extending forward from the other end of the first section 41. The second section 42 is used as a force-applying end for stretching. The end of the second section 42 can be stretched manually, can be connected to a driving mechanism, and can also be connected to a drawer in the refrigerator. In this embodiment, the curved portion 11 is an S-shaped structure, and the second sections 42 of the two steel ropes 4 are arranged opposite to each other, so as to facilitate stretching the first curved portion 111 to the left and the second curved portion 112 to the right.

[0064] The stretching unit further comprises a buckle 6. In this embodiment, the evaporator assembly is suitable for a refrigerator, and the buckle 6 is fixed on the box body of the refrigerator.

[0065] The buckle 6 is provided with a through hole 61 for the second section 42 to pass through. The through hole 61 of the buckle 6 is used to realize the conversion of the second section 42 of the steel rope 4 in direction.

[0066] Further, a plurality of fins 1 arranged at intervals along the left-right direction is defined as a group of fins 1, and a plurality of groups of fins 1 are arranged at intervals along the up-down direction.

[0067] At least one steel cable 4 is correspondingly arranged for each group of fins 1. The number of the steel cables 4 is related to the number of the curved sections of the curved portion 11.

[0068] The first sections 41 of the plurality of steel ropes 4 are arranged at intervals in a direction from top to bottom, and the second sections 42 of the plurality of steel ropes 4 pass through the through holes 61 respectively.

[0069] Further, a first pulley 71 is correspondingly arranged on one side of each group of fins 1. A plurality of first pulleys 71 are arranged at intervals from top to bottom. Each evaporator assembly further includes a second pulley 72 arranged between the first pulley 71 and the through hole 61. Preferably, the second pulley 72 is arranged adjacent to the first pulley 71 arranged at the bottom layer.

[0070] In this embodiment, the fin 1 is an S-shaped structure, and a first pulley 71 is provided on both sides of each group of fins 1. Through the connection between the first pulley 71 and the second pulley 72, the stretching of the fin 1 in the front-to-back direction is converted into the stretching deformation of the fin 1 in the left-to-right direction. It has the advantages of compact structure, easy implementation, and small installation space.

[0071] The other end of the steel rope 4 passing through each group of fins 1 passes through the first pulley 71, the second pulley 72, and the through hole 61 in sequence, so that the stretching process of the steel rope 4 is smoother.

[0072] In this embodiment, the evaporator assembly is suitable for a refrigerator, and the first pulley 71 and the second pulley 72 are respectively fixed on the box body.

[0073] Further, the diameter of the steel rope 4 is set to 1.5-2.5 mm, and the diameter of the evaporation coil 2 is set to 7.5-8.5 mm;

[0074] Preferably, the height of the fin 1 is set to 90 mm, and the thickness of the fin 1 is set to 0.2 mm, so as to facilitate the stretching deformation of the fin 1 .

[0075] Preferably, the diameter of the steel rope 4 is 2 mm, the diameter of the spring 5 is 5 mm, and the evaporation tube has a common tube diameter of 8 mm.

[0076] In order to solve the above problems, the present invention also provides a refrigeration device with high defrosting efficiency, high energy saving and high efficiency, and simple implementation.

[0077] A refrigeration device comprises a box body and an evaporator assembly as described above.

[0078] The evaporator assembly is arranged in the box.

[0079] Furthermore, the box body forms a storage space, and the evaporator assembly further comprises a drawer 8 accommodated in the storage space and drawn in the front-rear direction. The stretching unit is connected to the drawer 8. In this embodiment, the other end of the steel rope 4 is connected to the drawer 8.

[0080] The box body forms an evaporator chamber for placing an evaporator, and the evaporator includes fins 1, an evaporation coil 2, and a fixing plate 3. A steel rope 4 extends from the evaporator chamber to the storage space.

[0081] When the drawer 8 moves forward, the bending portion 11 is driven by the stretching unit to deform in a direction opposite to the bending direction of the bending portion 11 .

[0082] When the drawer 8 moves backward, the bent portion 11 resumes its deformation.

[0083] Further, the drawer 8 includes a drawer body 81 and a gear 82 disposed on the drawer body 81. A rack 83 extending from rear to front and meshing and rolling with the gear 82 is disposed on the box body. The gear 82 moves forward or backward along the rack 83.

[0084] The stretching unit is fixed on the gear 82. In this embodiment, the other end of the steel rope 4 is on the gear 82.

[0085] In this embodiment, the evaporator assembly is applicable to a refrigerator. It can be understood that the evaporator assembly is also applicable to other refrigeration equipment.

[0086] When the refrigerator is closed and refrigerating normally, the evaporator assembly is in the state of air circulation, and layers of frost are continuously formed on the surface of the fin 1. At this time, the state of the fin 1 is as follows: Figure 3a As shown, when the door is opened, the gear 82 moves forward relative to the gear 83, and the steel rope 4 is pulled longer by the rotation of the gear 82. The specific stretching length of the fin 1 is calculated according to the stroke ratio of the rack 83. When the door is fully opened, the fin 1 also completes the deformation. At this time, the fin 1 undergoes plastic deformation under the traction of the steel rope 4, and the deformation gradually transitions to Figure 3b The fin 1 is shaped as shown; at the same time, the spring 5 at the left end of the first curved portion 111 is stretched, the spring 5 at the right end is compressed, the spring 5 at the left end of the second curved portion 112 is compressed, and the spring 5 at the right end is stretched, and finally formed Figure 3b Status shown.

[0087] When the door is closed after taking out the food from the refrigerator, the curved portion 11 recovers its deformation. At the same time, the first curved portion 111 recovers its deformation under the action of the springs 5 ​​at both ends. Similarly, the second curved portion 112 also recovers its deformation under the action of the springs 5 ​​at both ends. The state of the fin 1 recovers to the state as shown in FIG. Figure 3a The shape shown; the fin 1 undergoes a stage of opening and closing the door, so that the surface of the fin 1 undergoes two physical defrosting processes.

[0088] The amount of frost in an air-cooled refrigerator is positively correlated with the time and number of times the door is opened and closed. The more the door is opened and closed, the more bending deformation and defrosting of the curved portion 11 occur, thus achieving a positive correlation between frosting and defrosting.

[0089] Compared with the prior art, the evaporator assembly and refrigeration equipment provided by the present invention realize the fixed installation of the fin 1 and the evaporator coil 2 by passing the fin 1 through the evaporator coil 2, and the bending portion 11 is stretched and deformed in the direction opposite to the bending direction of the bending portion 11 by the stretching unit acting on the bending portion 11 under the action of an external force. The fin 1 covered with frost vibrates due to deformation, and the surface is squeezed and stretched, so that part of the frost on the surface falls off due to vibration, and part falls off due to squeezing and stretching. The heat generated by the deformation of the fin 1 melts the frost on the surface of the fin 1, thereby achieving the defrosting effect. Defrosting achieved by stretching the stretching unit will not significantly increase the temperature of the evaporator chamber, nor will it cause energy loss, and has the advantages of high defrosting efficiency, energy saving and high efficiency, and simple implementation.

[0090] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present invention.

Claims

1. An evaporator assembly, comprising a fin and an evaporating coil through which the fin is provided, characterized in that: The fin includes a bent portion; The evaporator assembly further includes a stretching unit acting on the bent portion, and the stretching unit drives the bent portion to stretch and deform in a direction opposite to the bending direction of the bent portion under the action of an external force.

2. The evaporator assembly according to claim 1, characterized in that: It also includes fixing plates arranged on both sides of the fin; The stretching unit includes a steel rope passing through the fin, one end of the steel rope passes through the fin and is fixed to a fixing plate, and the other end of the steel rope is extended to the outside of the evaporator.

3. The evaporator assembly according to claim 2, characterized in that: The plurality of fins are arranged at intervals along the left-right direction; The curved portion is an S-shaped structure, and includes a first curved portion extending to the right and a second curved portion extending to the left; A plurality of fins arranged at intervals along the left-right direction are defined as a group of fins, and a group of fins is correspondingly provided with two steel ropes; One of the steel ropes passes through the centers of the first curved portions of the plurality of fins in sequence, and another of the steel ropes passes through the second curved portions of the plurality of fins in sequence; The evaporating coil passes through the middle of the plurality of fins in sequence.

4. The evaporator assembly according to claim 3, characterized in that: Two springs are arranged corresponding to one of the steel ropes, and the two springs are arranged respectively between the first curved portion at two ends and the adjacent fixing plates; Alternatively, the two springs are respectively arranged between the second curved portion at both ends and the adjacent fixing plates.

5. The evaporator assembly according to claim 2, characterized in that: The plurality of fins are arranged at intervals along the left-right direction; The steel rope comprises a first section with one end fixed to the fixing plate and passing through a plurality of the fins, and a second section extending forward from the other end of the first section; The stretching unit also includes a buckle; Wherein, the buckle is provided with a through hole for the second section to pass through.

6. The evaporator assembly according to claim 5, characterized in that: A plurality of fins spaced apart in the left-right direction is defined as a group of fins, and a plurality of groups of fins spaced apart in the up-down direction; At least one steel rope is correspondingly arranged for each group of fins; The first sections of the plurality of steel ropes are arranged at intervals in a direction from top to bottom, and the second sections of the plurality of steel ropes pass through the through holes respectively.

7. The evaporator assembly according to claim 6, characterized in that: A first pulley is correspondingly arranged on one side of each group of fins, and a plurality of first pulleys are arranged at intervals from top to bottom, and each of the evaporator components further comprises a second pulley arranged between the first pulley and the through hole, and the second pulley is arranged adjacent to the first pulley arranged at the bottom layer; The other end of the steel rope passing through each group of fins passes through the first pulley, the second pulley, and the through hole in sequence.

8. The evaporator assembly according to claim 2, characterized in that: The diameter of the steel rope is set to 1.5-2.5 mm, and the diameter of the evaporation coil is set to 7.5-8.5 mm; The height of the fin is set to 90 mm, and the thickness of the fin is set to 0.2 mm.

9. A refrigeration device, comprising a box, characterized in that: Also includes an evaporator assembly as claimed in any one of claims 1 to 8; The evaporator assembly is arranged in the box.

10. The refrigeration device according to claim 9, characterized in that: The box body forms a storage space, and the evaporator assembly further comprises a drawer accommodated in the storage space and drawn in a front-to-back direction; The stretching unit is connected to the drawer; Wherein, when the drawer moves forward, the stretching unit drives the bending portion to deform in a direction opposite to the bending direction of the bending portion; When the drawer moves backward, the bent portion recovers its deformation.

11. The refrigeration device according to claim 10, characterized in that: The drawer comprises a drawer body and a gear arranged on the drawer body, and the box body is provided with a rack extending from the back to the front and meshing and rolling with the gear; The stretching unit is fixed on the gear.

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