CN216745090U

CN216745090U - Evaporator of refrigerator

Info

Publication number: CN216745090U
Application number: CN202123073296.4U
Authority: CN
Inventors: 徐超; 李镜宪
Original assignee: Zhejiang Xingxing Refrigeration Co Ltd
Current assignee: Zhejiang Xingxing Refrigeration Co Ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-06-14
Anticipated expiration: 2031-12-08

Abstract

The utility model provides an evaporator of a refrigerator, which belongs to the technical field of refrigeration equipment. It has solved the problem that the refrigeration effect of current freezer is low. This evaporimeter of freezer includes evaporating pipe and a plurality of fin, the continuous crooked setting of evaporating pipe, a plurality of fin intervals set up outside the evaporating pipe, the evaporimeter of this freezer still includes the fixed plate of two relative settings and can dismantle the water collector of linking together with two fixed plates, evaporating pipe fixed mounting is between two fixed plates, it is equipped with the fan to inlay on the water collector, the fan can rotate the air that makes in the freezer and flow, avoid the cold air to adhere to for a long time and cause evaporating pipe and fin external frosting outside evaporating pipe and fin, frozen phenomenon, and still be provided with a plurality of defrosting pipes between two fixed plates. The evaporator of the refrigerator can avoid frosting and icing on the evaporating pipe and the radiating fin to cause the refrigerating effect of the refrigerator to be influenced.

Description

Evaporator of refrigerator

Technical Field

The utility model belongs to the technical field of refrigeration plant, a evaporimeter of freezer is related to.

Background

The refrigerator is one of common household appliances in the life nowadays, and particularly comprises a cabinet body with an inner container, a refrigerating system and a temperature control device, wherein the temperature control device and the refrigerating system are arranged in the cabinet body, so that a user can store food in the inner container and control the refrigerating system to cool the inner container through the temperature control system, and the effects of freezing and refreshing the food are achieved; the refrigerating system generally comprises a compressor, a condenser, an evaporator and other components, the components are located between the cabinet body and the inner container, refrigerant is compressed by the compressor and then input into the condenser, the condenser dissipates heat of the refrigerant and then inputs into the evaporator, and finally the refrigerant is gasified by the evaporator to realize vaporization and heat absorption of the refrigerant.

The existing evaporator generally comprises an evaporation tube and a cooling fin, and a refrigerant which is condensed and liquefied by a condenser and is throttled and depressurized by a capillary tube is gasified in the evaporation tube entering the evaporator, so that the gasified refrigerant exchanges heat with external air, and the refrigeration effect is achieved.

However, in the prior art, the evaporating tube of the evaporator is generally cylindrical, and the radiating fins are arranged at intervals along the length direction of the evaporating tube, so that in the practical application process, a refrigerant flows in the evaporating tube and is incompletely heat-exchanged with the outside, and energy waste is easily caused; secondly, the evaporation tube can cause cold air to be blocked (flow is not smooth) due to overlarge volume, so that the refrigerating effect in the refrigerator and the freezer is poor, meanwhile, the cold air blocked for a long time is remained between the radiating fins, so that the evaporation tube and the radiating fins are easy to frost, and further the subsequent refrigerating effect of the refrigerating equipment is reduced.

Disclosure of Invention

The utility model aims at solving the problems of the prior art and providing an evaporator of a refrigerator, which aims to solve the technical problems that: how to ensure the refrigeration effect of the refrigerator.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides an evaporator of freezer, includes evaporating pipe and a plurality of fin, its characterized in that, the evaporating pipe is crooked setting in succession, and this evaporator of freezer still includes two relative fixed plates that set up and with two the water collector of connection can be dismantled to the fixed plate, and is a plurality of the fin interval sets up two just set firmly between the fixed plate on the evaporating pipe, inlay on the water collector and be equipped with and be used for driving the fan that air carries out to flow in the freezer, the evaporating pipe sets firmly two between the fixed plate, and two be equipped with a plurality of defrosting pipes that are used for melting frost ice on evaporating pipe and the fin between the fixed plate.

The evaporator of the refrigerator comprises an evaporation pipe and a plurality of radiating fins arranged outside the evaporation pipe, and a refrigerant processed by a condenser, a capillary pipe and a compressor can be gasified in the evaporation pipe after entering the evaporator, so that the low-temperature refrigerant penetrates through the evaporation pipe and is matched with the plurality of radiating fins arranged outside the evaporation pipe to exchange heat with the outside air, and the effect of cooling in the refrigerator is realized; the evaporation tube is continuously bent, so that the length of the evaporation tube is longer, the refrigerant can be more fully contacted with the tube wall of the evaporation tube when flowing in the evaporation tube, the heat exchange between the refrigerant and the outside air is more fully ensured, and the evaporation tube has a thinner size compared with the prior art, so that the defect of poor refrigeration effect caused by cold air blockage is effectively avoided; the evaporator of the refrigerator also comprises two fixed plates which are oppositely arranged and a water receiving tray which is detachably connected with the two fixed plates, the evaporating pipe is fixedly arranged between the two fixed plates, the heat dissipation plates are arranged between the two fixed plates at intervals and are fixedly connected with the evaporating pipe, so that the installation stability of the evaporating pipe and a plurality of heat dissipation plates is ensured, a fan is embedded on the water receiving tray, when the evaporator works, the fan can rotate to enable the air in the refrigerator to flow, and the air flowing through the rotation of the fan can be directly sent to the direction of the evaporator through the direction of the fan, thereby ensuring the smoothness of air cooling air, avoiding the phenomena that the evaporating pipe and the heat dissipation plates are frosted and frozen outside the evaporating pipe and the heat dissipation plates due to the fact that the cold air is attached to the evaporating pipe and the heat dissipation plates for a long time, and a plurality of defrosting pipes are further arranged between the two fixed plates, if the evaporating pipe and the heat dissipation plates are frosted and the heat dissipation plates in the use process, Icing phenomenon, the user can control the heating of defrosting pipe and the air current that cooperation fan work produced in time melts this part frost ice to avoid frosting on evaporating pipe and the fin and icing and lead to the freezer refrigeration effect to receive the influence.

In the evaporator of the refrigerator, the water receiving tray is plate-shaped, the cross section of the water receiving tray is rectangular, a mounting opening is formed in the position, close to one side edge, of the surface of the water receiving tray, the fan is embedded in the mounting opening, and the evaporating pipe and the radiating fins are located on the other side of the surface of the water receiving tray.

The water collector is plate-like and the cross-section is the rectangle, its face is close to one side edge and has seted up the installing port, the fan specifically inlays and establishes in this installing port, and evaporating pipe and a plurality of fin are located the water collector face and are close to opposite side edge, thereby make the freezer in the use, the produced air current of fan rotation can directly be carried to evaporating pipe and fin, thereby in time dispel the produced cold air of the interior refrigerant heat exchange of evaporating pipe, avoid this part cold air to adhere to for a long time and cause both surfaces of evaporating pipe and fin to frost, freeze outside evaporating pipe and fin.

In the evaporimeter of foretell freezer, two the fixed plate is located the other both sides of water collector face respectively and is close to the edge, every the fixed plate is close to bend one side of water collector and form bending portion one, and the one side of keeping away from the water collector is bent and is formed bending portion two, just a plurality of fixed orificess one has been seted up along self length direction on the bending portion one, the fixed plate passes the fixed orifices through the fastener and twists the water collector in the lump and fix, set up a plurality of fixed orificess two that are used for connecting the freezer inner wall along self length direction on the bending portion two, just the adjustment tank that is the U-shaped is seted up to two one ends of bending portion.

The two fixing plates are respectively positioned at the other two sides of the surface of the water pan and close to the edges, one side of each fixing plate close to the water pan is bent to form a first bending part, one side of each fixing plate far away from the water pan is bent to form a second bending part, and a plurality of first fixing holes are formed in the first bending parts along the length direction of the first fixing plates; a plurality of fixed orifices two has been seted up along self length direction on the kink two, the fixed plate can be connected through the fastener through the inner wall of these a little fixed orifices two with the freezer, thereby further guarantee the fixed plate, the stability of evaporating pipe and fin, furthermore, the one end edge of kink is seted up and is the adjustment tank of U type, in carrying out the connection process through the fastener with fixed plate and different model freezer inner walls, the user can remove the fixed plate, make when one of them hole counterpoint on adjustment tank and the freezer inner wall, make on the kink two all the other fixed orifices also can with all the other hole counterpoint on the freezer inner wall, thereby guarantee that the suitability of fixed plate is higher.

In the evaporator of the refrigerator, the evaporating pipe is made of copper metal, and the diameter of the evaporating pipe is less than or equal to 16 mm.

The evaporating pipe specifically adopts copper metal to constitute, has good heat conductivity, and the diameter less than or equal to 16mm of evaporating pipe, can avoid the evaporating pipe volume too big to cause the influence to air cycle, and in addition, the diameter of evaporating pipe is littleer and more long and narrow, also can guarantee that the refrigerant is more abundant with the contact of evaporating pipe wall in the evaporating pipe to guarantee that freezer refrigeration effect is higher.

In the evaporator of the refrigerator, the radiating fins are made of aluminum metal materials, the thickness of each radiating fin is 015mm-0.2mm, and the distance between every two adjacent radiating fins is 8mm-10 mm.

The radiating fins are made of aluminum metal, the thickness of each radiating fin is 015-0.2 mm, and the distance between every two adjacent radiating fins is 8-10mm, so that the heat exchange efficiency of the radiating fins is guaranteed, and the frost blocking phenomenon among the radiating fins is avoided.

In the evaporator of the refrigerator, at least two defrosting pipes are arranged, two first clamping grooves are formed in one end, close to the water pan, of the radiating fin, two second clamping grooves are formed in the fixing plate corresponding to the first clamping grooves, one defrosting pipe is clamped in the first clamping grooves and the second clamping grooves and abutted to inner bottom walls of the first clamping grooves and the second clamping grooves, and the other defrosting pipe is clamped in the first clamping grooves and the second clamping grooves and abutted to the water pan.

The defrosting tubes are provided with two first clamping grooves, one end, close to the water receiving tray, of each cooling fin is provided with two second clamping grooves corresponding to the first clamping grooves, one of the defrosting tubes is clamped in the first clamping grooves and the second clamping grooves and abuts against the first clamping grooves and the inner bottom wall of the second clamping grooves, when frost is formed on each cooling fin and each evaporating tube, a user can control the defrosting tubes to generate heat, accordingly, the frost on the cooling fins and the evaporating tubes is melted and falls off through the heat on the defrosting tubes, the other defrosting tube is clamped in the first clamping grooves and the second clamping grooves and abuts against the water receiving tray, accordingly, the frost which falls off from the cooling fins and the evaporating tubes but is not completely melted is melted and is melted by the other defrosting tube, frost is avoided on the cooling fins and the evaporating tubes, and the refrigerating effect of the refrigerator is effectively guaranteed.

Compared with the prior art, this evaporimeter of freezer has following advantage:

the evaporator of the refrigerator continuously bends the evaporation tube, so that the evaporation tube is longer and thinner, a refrigerant is more fully contacted with the tube wall of the evaporation tube when flowing in the evaporation tube, the heat exchange between the refrigerant and the outside air is more fully ensured, and the defect of poor refrigeration effect caused by cold air blockage is avoided; the evaporator of the refrigerator is embedded with the fan on the water receiving disc, the air can be directly sent to the direction of the evaporator through the fan guide by rotating the fan, the phenomenon that the evaporating pipe and the radiating fin frost and freeze due to the fact that cold air is attached to the evaporating pipe and the radiating fin for a long time is avoided, a plurality of defrosting pipes are further arranged between the two fixing plates, the defrosting pipes are heated by the defrosting pipes and are matched with air flow generated by working of the fan to melt frost ice on the evaporating pipe and the radiating fin in time, and therefore the refrigerating effect of the refrigerator is prevented from being influenced due to the fact that the evaporating pipe and the radiating fin frost and freeze.

The water receiving plate is provided with a mounting opening near one side edge for embedding a fan, the evaporating pipe and the plurality of radiating fins are located near the other side edge of the water receiving plate, the air flow generated by rotation of the fan can be directly conveyed to the evaporating pipe and the radiating fins, cold air generated by heat exchange of a refrigerant in the evaporating pipe is timely dissipated, and the phenomenon that the part of cold air is frosted and frozen on the outer surfaces of the evaporating pipe and the radiating fins due to the fact that the part of cold air is attached to the evaporating pipe and the radiating fins for a long time is avoided.

Thirdly, the assembler can pass the fixed orifices on the fixed plate through the fastener and twist the water collector in the lump and make two fixed plates install the stability on the water collector, and the fixed plate can be connected through the fastener through the inner wall of fixed orifices two with the freezer, furthermore, the user can remove the fixed plate, when making one of them hole counterpoint on adjustment tank and the freezer inner wall, make all the other fixed orifices on the kink two also can with all the other hole counterpoint on the freezer inner wall, thereby guarantee that the suitability of fixed plate is higher.

The evaporation tube is specifically formed by copper metal and has good heat conductivity, the diameter of the evaporation tube is smaller than or equal to 16mm, the influence on air circulation caused by overlarge volume of the evaporation tube can be avoided, and the fact that a refrigerant is in contact with the wall of the evaporation tube in the evaporation tube can be guaranteed to be more sufficient.

And fifthly, the radiating fins are made of aluminum metal, so that the heat conduction performance is high, the economic benefit is high, the thickness of each radiating fin is 015-0.2 mm, and the distance between every two adjacent radiating fins is 8-10mm, so that the heat exchange efficiency of the radiating fins is guaranteed, and the frost blocking phenomenon between the radiating fins is avoided.

Sixthly, the user can control one of them defrosting pipe and generate heat to make the frost ice on fin and the evaporating pipe melt and drop to the water collector through the heat on the defrosting pipe, the frost ice that still does not melt completely that the rethread another defrosting pipe will drop melts once more, thereby avoids frosting on fin and the evaporating pipe, effectively guarantees the refrigeration effect of freezer.

Drawings

Fig. 1 is a schematic structural diagram of an evaporator of the refrigerator.

Fig. 2 is a schematic structural diagram of an evaporator tube and a heat sink in the evaporator of the refrigerator.

Fig. 3 is a schematic structural diagram of a fixing plate in an evaporator of the refrigerator.

Fig. 4 is a schematic structural view of a water pan in an evaporator of the refrigerator.

Fig. 5 is a schematic view of the structure of the evaporating tube.

In the figure, 1, an evaporation tube; 2. a heat sink; 2a, a first clamping groove; 3. a fixing plate; 3a, a defrosting pipe; 3b, bending the first part; 3b1, fixing hole one; 3c, a second bending part; 3c1 and a second fixing hole; 3c2, adjusting groove; 3d, a second clamping groove; 4. a water pan; 4a, a fan; 4b and an installation opening.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-5, the evaporator of the refrigerator comprises an evaporator tube 1, a plurality of heat dissipation fins 2, two fixing plates 3 and a water receiving tray 4, wherein the evaporator tube 1 is made of copper metal, the diameter of the evaporator tube 1 is less than or equal to 16mm, the evaporator tube 1 is continuously bent into a coil shape, the heat dissipation fins 2 are made of aluminum metal, the thickness of each heat dissipation fin 2 is 0.15-0.2mm, a plurality of first connection holes for the evaporator tube 1 to penetrate are formed in each heat dissipation fin 2, after the evaporator tube 1 penetrates through each heat dissipation fin 2 through the first connection holes, gaps between the evaporator tube 1 and the first connection holes are sealed in a glue or ultrasonic welding mode, and therefore the connection stability between the evaporator tube 1 and the heat dissipation fins 2 is guaranteed, and in addition, the distance between each two adjacent heat dissipation fins 2 is 8-10 mm.

As shown in fig. 1-5, the water pan 4 is plate-shaped and has a rectangular cross section, a mounting opening 4b is formed on one side of the plate surface, a fan 4a is embedded in the mounting opening 4b, the evaporation tube 1 and the heat sink 2 which are fixedly connected together are positioned on the other side of the water pan 4, a drain hole is formed on one side of the water pan 4 close to the plate surface with the evaporation tube 1 and the heat sink 2, a plurality of assembly holes are formed on the other two sides of the plate surface of the water pan 4 close to the edge, two fixing plates 3 are respectively oppositely arranged on the two sides of the plate surface with the assembly holes of the water pan 4, one side of each fixing plate 3 close to the water pan 4 is bent to form a bending part one 3b, one side of each fixing plate 3 far from the water pan 4 is bent to form a bending part two 3c, a plurality of fixing holes one 3b1 are formed on the bending part one 3b along the length direction of the fixing plate, the fixing plates 3 pass through the fixing holes one 3b1 by fasteners (specifically, and are screwed into the assembly holes for fixing, the plurality of radiating fins 2 and the evaporating tubes 1 are located between the two fixing plates 3, a plurality of connecting holes II are formed in each fixing plate 3 corresponding to the evaporating tubes 1, the evaporating tubes 1 penetrate through the fixing plates 3 through the connecting holes II and then seal gaps between the evaporating tubes 1 and the connecting holes II through glue or ultrasonic welding, and therefore stability of the radiating fins 2 and the evaporating tubes 1 installed between the two fixing plates 3 is guaranteed, in addition, as shown in the figures 1 and 3, a plurality of fixing holes II 3c1 are arranged on each bending part II 3c at intervals along the length direction of the bending part II 3c, the fixing plates 3 can penetrate through the fixing holes II 3c1 through screws and are screwed into the inner wall of the refrigerator, accordingly the evaporator is installed in the refrigerator stably, and one ends, close to the evaporating tubes 1 and the radiating fins 2, of the bending parts II 3c are sunken to form U-shaped adjusting grooves 3c 2.

As shown in fig. 1-3, one end of each cooling fin 2 close to the water pan 4 is provided with two clamping grooves, each clamping groove 2a extends to the middle of the cooling fin 2, one end of each fixing plate 3 close to the cooling fin 2 and the evaporating tube 1 is provided with two clamping grooves two 3d corresponding to the clamping grooves one 2a, at least two defrosting tubes 3a are arranged between the two fixing plates 3, one defrosting tube 3a is continuously bent in an N shape, the other defrosting tube 3a is continuously bent in an M shape, two ends of the defrosting tube 3a which is continuously bent in the N shape are respectively and correspondingly arranged in the clamping grooves two 3d of one fixing plate 3, then the defrosting tubes sequentially pass through the clamping grooves one 2a arranged on each cooling fin 2, and finally the clamping grooves two 3d arranged on the other fixing plate 3 penetrate out to be connected with a driving source in the refrigerator, in addition, the defrosting tubes 3a are abutted against the inner bottom walls of the clamping grooves one 2a and the clamping grooves two clamping grooves 3d, so that the mounting position of the defrosting pipe 3a is close to the middle part of the height direction of the radiating fin 2; two fixed plates 3 have been seted up near one side edge of water collector 4 and have been stepped down the groove, and the defrosting pipe 3a that is M shape wherein two sections wear to establish in two 3d of draw-in grooves of two fixed plates 3, and the inslot that steps down of seting up on two fixed plates 3 is worn to establish at both ends in addition, and this root defrosting pipe 3a pastes and leans on water collector 4.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although more 1, evaporator tube is used herein; 2. a heat sink; 2a, a first clamping groove; 3. a fixing plate; 3a, a defrosting pipe; 3b, bending the first part; 3b1, fixing hole one; 3c, a second bending part; 3c1 and a second fixing hole; 3c2, adjusting groove; 3d, a second clamping groove; 4. a water pan; 4a, a fan; 4b, mounting openings, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides an evaporator of freezer, includes evaporating pipe (1) and a plurality of fin (2), its characterized in that, evaporating pipe (1) is crooked setting in succession, the evaporator of this freezer still include two relative fixed plate (3) that set up and with two the water collector (4) of connection can be dismantled in fixed plate (3), and is a plurality of fin (2) interval sets up two just set firmly between fixed plate (3) on evaporating pipe (1), it is equipped with fan (4a) that are used for driving air in the freezer to flow to inlay on water collector (4), evaporating pipe (1) sets firmly two between fixed plate (3), and two be equipped with a plurality of defrosting pipe (3a) that are used for melting frost ice on evaporating pipe (1) and fin (2) between fixed plate (3).

2. The evaporator of the refrigerator as claimed in claim 1, wherein the water pan (4) is plate-shaped and has a rectangular cross section, a mounting opening (4b) is provided at the edge of one side of the plate surface of the water pan (4), the fan (4a) is embedded in the mounting opening (4b), and the evaporation tube (1) and the heat sink (2) are located at the other side of the plate surface of the water pan (4).

3. The evaporator of the refrigerator as claimed in claim 2, wherein two fixing plates (3) are respectively positioned at the edges near the other two sides of the plate surface of the water pan (4), one side of each fixing plate (3) near the water pan (4) is bent to form a first bent part (3b), and the other side of each fixing plate (3) far away from the water pan (4) is bent to form a second bent part (3c), and a plurality of fixing holes I (3b1) are arranged on the bending part I (3b) along the length direction thereof, the fixing plate (3) passes through the first fixing hole (3b1) by a fastener and is screwed into the water pan (4) for fixing, a plurality of second fixing holes (3c1) for connecting the inner wall of the refrigerator are arranged on the second bending part (3c) along the length direction, and one end of the second bending part (3c) is provided with a U-shaped adjusting groove (3c 2).

4. An evaporator of a refrigerator according to any of claims 1-3, characterized in that the evaporating tubes (1) are made of copper metal, and the diameter of the evaporating tubes (1) is less than or equal to 16 mm.

5. An evaporator of a refrigerator according to any one of claims 1 to 3, wherein the heat radiating fins (2) are made of aluminum metal material, the thickness of each heat radiating fin (2) is 015mm to 0.2mm, and the distance between every two adjacent heat radiating fins (2) is 8mm to 10 mm.

6. The evaporator of the refrigerator as claimed in claim 3, wherein the defrosting tubes (3a) are at least two, two first clamping grooves (2a) are formed at one end of the radiating fin (2) close to the water pan (4), two second clamping grooves (3d) are formed on the fixing plate (3) corresponding to the first clamping grooves (2a), one of the defrosting tubes (3a) is clamped in the first clamping grooves (2a) and the second clamping grooves (3d) and abutted against the inner bottom wall of the first clamping grooves (2a) and the second clamping grooves (3d), and the other defrosting tube (3a) is clamped in the first clamping grooves (2a) and the second clamping grooves (3d) and abutted against the water pan (4).