CN210441520U - Evaporation module and refrigeration equipment - Google Patents

Abstract

The utility model discloses an evaporation module and refrigeration plant. The evaporation module includes: an evaporator; the electric heating part is arranged on the evaporator and is used for heating the evaporator to defrost by electrifying; the heat-conducting plate, the heat-conducting plate setting is in the bottom of evaporimeter and with electric heating element contacts, the heat-conducting plate is used for absorbing the heat that electric heating element produced heats the evaporimeter defrosting. The heat conducting plate is arranged at the bottom of the evaporator, and the heat radiating area is increased by utilizing the heat conducting plate, so that the defrosting efficiency is improved, and the defrosting effect is optimized.

Description

Evaporation module and refrigeration equipment

Technical Field

The utility model belongs to the technical field of the refrigeration, especially, relate to an evaporation module and refrigeration plant.

Background

Refrigeration equipment (e.g., a refrigerator or freezer) is a household appliance commonly used in people's daily life. Refrigeration equipment is usually provided with a refrigeration assembly to perform the refrigeration process, and the refrigeration assembly usually comprises a compressor, a condenser, a throttling device and an evaporator which are connected together. In the actual use process, the evaporator needs to be subjected to defrosting treatment periodically, and defrosting water generated in the defrosting process is collected into a water receiving tray arranged at the bottom of the evaporator. In general, an electric heating unit is disposed on the evaporator to defrost the evaporator, and the electric heating unit is usually disposed at the bottom of the evaporator. In the defrosting process, the electric heating part is electrified and heated, the evaporator is quickly defrosted in the area close to the electric heating part, the defrosting effect is poor in the area far away from the electric heating part, and the defrosting is finished by consuming a long time, so that the defrosting efficiency is low and the energy consumption is high. How to design a refrigeration plant who changes white effectual in order to improve and change white efficiency and reduce the energy consumption is the utility model aims to solve the technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem who exists among the prior art, provide an evaporation module and refrigeration plant, the heat-conducting plate configuration utilizes heat-conducting plate increase heat radiating area in the bottom of evaporimeter to improve and change white efficiency and optimize and change the frost effect.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

the utility model provides an evaporation module, include:

an evaporator;

the electric heating part is arranged on the evaporator and is used for heating the evaporator to defrost by electrifying;

the heat-conducting plate, the heat-conducting plate setting is in the bottom of evaporimeter and with electric heating element contacts, the heat-conducting plate is used for absorbing the heat that electric heating element produced heats the evaporimeter defrosting.

Further, the electric heating part is an electric heating pipe which is arranged at the bottom of the evaporator; the heat conducting plate is provided with a groove, and the electric heating pipe is further arranged in the groove.

Further, the heat conducting plate is provided with a raised table top, and the groove is formed in the raised table top.

Furthermore, the electric heating part is an electric heating sheet, the upper surface of the electric heating sheet is attached to the evaporator, and the lower surface of the electric heating sheet is attached to the heat conducting plate.

Furthermore, the heat conducting plate is also provided with a plurality of drain holes.

Furthermore, the heat conducting plate is also provided with a plurality of raised heat dissipation structures.

The utility model also provides a refrigeration device, which comprises a cabinet body and a refrigerating unit, wherein the cabinet body forms a storage cavity, the refrigerating unit is arranged on the cabinet body, the refrigerating unit comprises a compressor, a condenser and a throttling device, and the refrigerating unit also comprises the evaporation module; the compressor, the condenser, the throttling device and the evaporator of the evaporation module are connected to form a refrigeration loop.

Further, the refrigerating unit is positioned at the top of the cabinet body; the refrigerating unit also comprises a bottom plate, and an air outlet and an air return inlet which are communicated with the storage cavity are formed in the bottom plate; the bottom plate is also provided with a water receiving disc, and the water receiving disc is positioned between the air outlet and the air return inlet; the bottom plate is also provided with a cover which covers the air outlet, the air return inlet and the water receiving tray, the cover and the bottom plate form an evaporation cavity, the evaporation module is arranged in the evaporation cavity and positioned above the water receiving tray, and the cover is also provided with an opening; and a cold leakage prevention part is arranged in the opening, and a first water discharge gap for discharging water in the water pan outwards is arranged on the cold leakage prevention part.

Furthermore, a water flow channel is formed between the cold leakage prevention component and the bottom plate, the cold leakage prevention component is provided with a first shielding part positioned at the outer end part of the water flow channel, and the first shielding part is provided with the first drainage gap; the cold part of leak protection disposes and is located the inside second shelter portion of flowing water passageway, be provided with second drainage gap on the second shelter portion.

Further, an air guide ring is arranged on the air return inlet, an evaporation fan is arranged in the air guide ring, and the air guide ring and the evaporation fan are positioned in the evaporation cavity;

the refrigeration unit further includes:

the flow guide assembly is arranged on the bottom plate and located in the evaporation cavity, and is used for guiding condensed water formed on the housing to the water receiving tray.

Compared with the prior art, the utility model discloses an advantage is with positive effect: the heat-conducting plate is configured at the bottom of the evaporator, the electric heating part on the evaporator is also contacted with the heat-conducting plate to directly transfer partial heat to the heat-conducting plate, the heat-radiating area of the heat-conducting plate is large, the heat-conducting plate can cover the bottom of the evaporator and uniformly heat the evaporator by utilizing the rising principle of hot gas, on one hand, the heat generated by the electric heating part can be fully utilized to uniformly heat the evaporator so as to improve defrosting efficiency, and on the other hand, the power-on heating time of the electric heating part can be shortened so as to reduce energy consumption.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the refrigeration apparatus of the present invention;

fig. 2 is a schematic structural diagram of a refrigerating unit in an embodiment of the refrigerating apparatus of the present invention;

fig. 3 is a schematic structural diagram of an evaporation module in an embodiment of the refrigeration apparatus of the present invention;

fig. 4 is a schematic structural diagram of a heat-conducting plate in an embodiment of the refrigeration apparatus of the present invention;

FIG. 5 is an exploded view of the assembly of the base plate, the housing and the cold leakage prevention member in an embodiment of the refrigeration apparatus of the present invention;

fig. 6 is a schematic structural view of a cold leakage prevention part in an embodiment of the refrigeration apparatus of the present invention;

fig. 7 is an assembly view of the bottom plate and the guide assembly in the embodiment of the refrigeration apparatus of the present invention;

fig. 8 is a schematic structural diagram of the baffle in the embodiment of the refrigeration apparatus of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 4, the refrigeration apparatus of the present embodiment includes a cabinet 1 and a refrigeration unit 2. A storage cavity is formed in the cabinet body 1, and a door body 10 is further arranged on the cabinet body 1 to open and close the storage cavity. And the refrigeration unit 2 includes a base plate 21 and a refrigeration assembly 22. The refrigerating assembly 22 is installed on the base plate 21, the refrigerating assembly 22 includes a compressor 221, a condenser 222, a throttling device (not shown) and an evaporation module 223 connected together, the evaporation module 223 includes an evaporator 2231 and an electric heating part 2232; the compressor 221, the condenser 222, a throttle device (not shown), and the evaporator 2231 are connected to form a refrigeration circuit. Among them, the electric heating part 2232 is used to perform a defrosting process on the evaporator 2231 by supplying electricity thereto, and in order to improve a defrosting efficiency, a heat conducting plate 2233 is disposed at a bottom of the evaporator 2231, the heat conducting plate 2233 is in contact with the electric heating part 2232, and the heat conducting plate 2233 is used to absorb a part of heat generated by the electric heating part 2232 to heat the evaporator 2231 for defrosting.

Specifically, in the defrosting process of the evaporator 2231, the electric heating element 2232 is powered on to heat, on one hand, the electric heating element 2232 directly releases heat to heat the evaporator 2231, and on the other hand, a part of the heat generated by the electric heating element 2232 is absorbed by the heat conducting plate 2233, and the heat conducting plate 2233 can conduct heat quickly, so that the heat absorbed by the heat conducting plate 2233 is uniformly distributed on the surface of the heat conducting plate 2233. And because the temperature rises after the heat of the electric heating part 2232 is absorbed by the whole heat conducting plate 2233, the heat can be uniformly released at the bottom of the evaporator 2231 through the heat conducting plate 2233 by using the principle that hot gas rises, so as to heat the evaporator 2231 more comprehensively and uniformly, thereby effectively improving the defrosting efficiency. Thus, it is possible to effectively solve the problem that the defrosting time is long and the defrosting effect is poor due to the local heating by only the electric heating part 2232. In which the heat conductive plate 2233 can cover the entire lower area of the evaporator 2231 at the bottom to ensure that the entire cross section of the evaporator 2231 can be heated by the hot air released from the heat conductive plate 2233 for efficient defrosting.

Among them, as for the electric heating part 2232, there are various forms of entities such as: the electric heating part 2232 may employ an electric heating plate, an upper surface of which abuts against the evaporator 2231, and a lower surface of which abuts against the heat conductive plate 2233. Alternatively, the electric heating part 2232 may employ an electric heating pipe disposed at the bottom of the evaporator 2231; and in order to increase the contact area of the electric-heating tube with the heat-conducting plate 2233 to improve the heat transfer efficiency, the heat-conducting plate 2233 is provided with a groove 22331, and the electric-heating tube is further disposed in the groove 22331. Specifically, the electric heating tube is fixedly installed at the bottom of the evaporator 2231, and a portion of the electric heating tube is caught in the groove 22331, so as to increase the contact area between the electric heating tube and the heat conducting plate 2233. Thus, heat generated by the electric heating tube being electrified can be rapidly transferred to the heat-conducting plate 2233 through the groove 22331, so that the heat-conducting plate 2233 is rapidly heated. In order to increase the heat dissipation area, the heat conducting plate 2233 is further provided with a plurality of raised heat dissipation structures 22334, the raised heat dissipation structures 22334 are raised upward toward the evaporator 2231, and the raised heat dissipation structures 22334 are used to further increase the heat dissipation area, so as to improve the efficiency of heating and defrosting. Because the evaporator 2231 may adopt a plate heat exchanger or a fin type evaporator, in the case that the evaporator 2231 adopts a fin type heat exchanger, tube plates 22310 are disposed on both sides of the evaporator 2231 to install the refrigerant tubes, fins are disposed on the refrigerant tubes, and the electric heating tubes may be installed on the tube plates 22310 in the same manner as the refrigerant tubes.

Preferably, in order to facilitate the connection of the heat-conducting plate 2233 with the evaporator 2231 and to ensure good heat conduction between the heat-conducting plate 2233 and the electric heating tube, the heat-conducting plate 2233 is provided with a raised mesa 22332, and a groove 22331 is formed on the raised mesa 22332. Specifically, the heat conductive plate 2233 is formed with a plurality of raised mesas 22332 that are raised toward the evaporator 2231, and the grooves 22331 are formed in the raised mesas 22332 to facilitate heat conduction in contact with the electric heating tube of the evaporator 2231. The tube plates 22310 on both sides of the evaporator 2231 can be fixedly mounted on the heat-conducting plate 2233, and the evaporator 2231 can be mounted on the bottom plate 21 by using the heat-conducting plate 2233.

The bottom plate 21 is generally provided with a drain pan 213 at the bottom of the evaporator 2231, and the heat-conducting plate 2233 is further provided with a plurality of drain holes 2233 to ensure that the defrosting water of the evaporator 2231 is smoothly drained to the drain pan 213. Specifically, during defrosting of the evaporator 2231, the defrosting water generated by defrosting of the evaporator 2231 flows through the heat conducting plate 2233 below the heat conducting plate 2231, and flows into the water receiving tray 213 below the heat conducting plate 2233 through the water discharging holes 2233. Thus, the heat-conducting plate 2233 is disposed at the bottom of the evaporator 2231, so that the discharging of the defrosting water is not affected, and the defrosting efficiency is improved by the heat-conducting plate 2233, and the defrosting water can smoothly flow into the water receiving tray 213.

The heat-conducting plate is configured at the bottom of the evaporator, the electric heating part on the evaporator is also contacted with the heat-conducting plate to directly transfer partial heat to the heat-conducting plate, the heat-radiating area of the heat-conducting plate is large, the heat-conducting plate can cover the bottom of the evaporator and uniformly heat the evaporator by utilizing the rising principle of hot gas, on one hand, the heat generated by the electric heating part can be fully utilized to uniformly heat the evaporator so as to improve defrosting efficiency, and on the other hand, the power-on heating time of the electric heating part can be shortened so as to reduce energy consumption. In addition, the crushed ice melted and dropped on the evaporator is collected on the heat conducting plate, the heat conducting plate is heated by the electric heating part, the mixture of the melted and dropped block ice, the crushed ice and water falls on the heated heat conducting plate, and the melting speed of the block ice and the crushed ice can be accelerated.

Based on the above technical solution, optionally, as shown in fig. 1 to 8, the refrigeration unit 2 may be installed on the upper portion of the cabinet 1 or may be installed on the lower portion of the cabinet 1 as needed. Under the condition that the refrigerating unit 2 is installed on the upper portion of the cabinet body 1, the bottom plate 21 is provided with an air outlet 211 and an air return opening 212 which are communicated with the storage cavity, and the water receiving tray 213 is located between the air outlet 211 and the air return opening 212. In order to form an evaporation cavity for installing the evaporator 2231, the refrigeration unit 2 further includes a cover 23, the cover 23 is installed on the bottom plate 21 and covers the air outlet 211, the air return opening 212 and the water collector 213, the cover 23 and the bottom plate 21 form an evaporation cavity, and the evaporator is disposed in the evaporation cavity and above the water collector 213. In order to ensure that the water in the water pan 213 is smoothly output to the outside of the evaporation cavity and reduce the dissipation of cold in the evaporation cavity, an opening 231 is further formed in the housing 23; meanwhile, a cold leakage preventing member 3 is provided in the opening 231, and a first drainage slit 301 for draining water in the water collector 213 to the outside is provided on the cold leakage preventing member 3.

Particularly, the refrigeration unit 2 is set up at 1 top of the cabinet body of this embodiment refrigeration plant, refrigeration unit 2 passes through bottom plate 21 and fixes at the top of the cabinet body 1, and, air outlet 211 and return air inlet 212 on the bottom plate 21 communicate with the storage cavity in the cabinet body 1, in order to realize that the air circulates between evaporation cavity and storage cavity, wherein, dispose evaporation fan 24 in the evaporation cavity, under evaporation fan 24's effect, the air in the storage cavity enters into the evaporation cavity and forms cold air with evaporimeter 2231 heat transfer through return air inlet 212, cold air will be inputed to the storage cavity through air outlet 211, in order to realize the article refrigeration in the storage cavity. During defrosting of the evaporator 2231, the defrosting water generated by defrosting of the evaporator 2231 is collected in the water receiving tray 213 at the bottom, the water receiving tray 213 is provided with a drainage channel 2131 extending toward the opening 231, and the water in the water receiving tray 213 is guided to the opening 231 through the drainage channel 2131 and finally discharged to the outside of the evaporation cavity from the opening 231. While the water output from the water receiving tray 213 passes through the cold leakage preventing member 3 in the process of being output through the opening 231, the water enters the cold leakage preventing member 3 through the opening 231 and is finally discharged from the first water discharge slit 301. The first drainage slits 301 of the cold leakage preventing member 3 can satisfy the requirement of outward drainage. Meanwhile, because the size of the first drainage gap 301 is smaller, under the normal refrigeration working condition, because the cold leakage prevention part 3 is inserted into the opening 231 to block the opening 231, the cold quantity leaked outwards from the first drainage gap 301 of the evaporation cavity is very small, thereby effectively reducing the leakage quantity of the cold quantity and improving the refrigeration effect.

A water flow channel is formed between the cold leakage preventing component 3 and the drainage channel 2131 on the bottom plate 21, the cold leakage preventing component 3 is provided with a first shielding part positioned at the outer end part of the water flow channel, and the first shielding part is provided with a first drainage gap 301. Specifically, the cold leakage prevention part 3 is inserted into the opening 231 and covers the drainage channel 2131, and the first shielding part arranged outside the cold leakage prevention part 3 can shield the port of the drainage channel outside the evaporation cavity, so that the dissipation of cold energy can be reduced more effectively. Preferably, the cold leakage prevention component 3 is configured with a second shielding portion located inside the water flowing channel, the second shielding portion is provided with a second water draining gap 302, specifically, the second shielding portion configured inside the water flowing channel can realize double-layer blocking, water of the water receiving tray 213 is discharged through the second water draining gap 302 and the first water draining gap 301 in sequence, cold energy in the evaporation cavity is blocked by the two layers of shielding portions, and the external discharge amount of the cold energy is more effectively limited, so as to further improve the refrigeration effect.

In addition, concrete entities for the cold leakage prevention part 3 may include: a top plate 31; two side plates 32, a first baffle plate 33 and a second baffle plate 34, wherein the side plates 32 are connected to the corresponding side edges of the top plate 31 and are positioned below the top plate 31; the first baffle plate 33 is connected to one end part of the top plate 31 and is positioned below the top plate 31, the first baffle plate 33 is arranged outside the evaporation cavity, a first drainage gap 301 is arranged on the first baffle plate 33, and the first baffle plate 33 forms a first shielding part; the second baffle 34 is connected to the middle of the top plate 31 and located below the top plate 31, a second water discharge slit 302 is provided on the second baffle 34, and the second baffle 34 forms a second shielding portion. Specifically, the whole anti-cold leakage component 3 is of a cover type structure with an open end, and the anti-cold leakage component 3 can effectively cover the drainage channel 2131 on one hand and can be attached to the edge of the opening 231 more tightly to block the opening 231 on the other hand. In order to assemble the anti-cold leakage component 3, the side plate 32 is provided with a clamping port 321, the bottom plate 21 is provided with a raised rib 214 for limiting the installation of the cover 23, and the drainage channel 2131 penetrates through the rib 214 and extends to the outside of the evaporation cavity. The curb plate 32 of cold-proof part 3 passes through joint interface 321 card on rib 214, simultaneously for drainage 2131 presss from both sides between two curb plates 32, like this, can utilize cold-proof part 3 to live drainage 2131 parcel, can ensure on the one hand that the water from drainage 2131 drainage smoothly discharges, and on the other hand can more effectual reduction cold volume reveals the outside from drainage 2131. In addition, in order to improve the drainage efficiency, a third drainage gap 303 is formed between the first baffle 33 and the corresponding end of the side plate 32; a fourth water discharge slit 304 is formed between the second barrier 34 and the inner surface of the side plate 32.

In addition, water discharged from the evaporation chamber may directly flow onto the bottom plate 1, and the water is automatically evaporated by heat generated from the compressor 221 and the condenser 222 outside the evaporation chamber, but naturally, a drain hole (not shown) may be provided in the bottom plate 1, a drain pipe may be connected to a position of the drain hole that is lower than the bottom plate 1, and water discharged from the evaporation chamber may flow to the drain hole and be discharged through the drain pipe. The embodiment does not limit the way in which the water discharged from the evaporation chamber is subsequently treated.

The evaporation cavity is communicated with the outside through the opening by arranging the opening on the housing, the opening is internally provided with a cold leakage prevention part, and the cold leakage prevention part is provided with a water drainage gap to meet the requirement that water in the water pan is drained to the outside of the evaporation cavity; simultaneously, leak protection cold component inserts in the opening after in order to plug up the opening, because the drainage gap is less, under the prerequisite that satisfies the drainage, the scattering and disappearing of cold volume in the evaporation cavity can effectually be reduced in the drainage gap, realizes satisfying under the smooth and easy exhaust condition of defrosting water, reduces the revealing of cold volume in the evaporation cavity to improve refrigeration effect and reduce the energy consumption.

Further, in the process of the cooling operation of the evaporator 2231, the temperature in the evaporation cavity is low, and the air in the storage cavity is affected by the moisture contained in the articles in the storage cavity, and after entering the evaporation cavity from the air return opening 212, the air in the storage cavity is condensed into water drops after contacting the housing 23 with low temperature, and the condensed water flows down onto the bottom plate 21 along the housing 23. In order to ensure that condensed water flowing down along the casing 23 is smoothly guided to the water receiving tray 213 for discharge, so as to prevent the accumulated water from overflowing from the air return opening 212 due to the accumulated water on the bottom plate 21, on one hand, the air guide ring 215 is arranged on the air return opening 212, and on the other hand, a flow guide component is arranged on the bottom plate 21 in the evaporation cavity and is used for guiding the condensed water formed on the casing 23 to the water receiving tray 213. Specifically, the condensed water formed on the housing 23 flows downward to the diversion assembly under the action of gravity, and then the condensed water is guided by the diversion assembly to flow into the water receiving tray 213. In this way, the condensed water can be collected through the water receiving tray 213 and discharged to the outside of the evaporation chamber. One side wall of the flow guide assembly abuts against the peripheral wall of the air guide ring 215, one side wall of the flow guide assembly abuts against the water receiving tray 213, and one side wall of the flow guide assembly abuts against the inner wall of the housing 23. The condensed water condensed on the housing 23 flows onto the flow guide member along the inner wall of the housing 23, and the flow guide member guides the condensed water dropping thereon into the water receiving tray 213.

Further, the flow guide assembly may include two flow guides 100, the two flow guides 100 are distributed on two sides of the wind guide ring 215, a certain space is provided between the water pan 213 and the wind guide ring 215, a space between the water pan 213 and one side of the wind guide ring 215 is denoted as a space a 10, and a space between the water pan 213 and the other side of the wind guide ring 215 is denoted as a space B20. One of the flow guiding bodies 100 is disposed in the space a 10, and the other flow guiding body 100 is disposed in the space B20, and is configured to guide the condensed water flowing down along the inner wall of the housing 23 to the water receiving tray 213, so that the condensed water can be discharged in time. The outer contour of current carrier 100 is determined by the specific shape of space a 10 and space B20.

The baffle 100 includes a first sidewall 110, a second sidewall 120, a third sidewall 130 and a baffle 140, the baffle 140 connects and intersects with the first sidewall 110, the second sidewall 120 and the third sidewall 130, the first sidewall 110 is adapted to abut against the outer side of the wind-guiding ring 215, the second sidewall 120 is adapted to abut against the sidewall of the drain pan 213, and the third sidewall 130 is adapted to abut against the inner wall of the housing 23. The surface of the baffle 100 opposite to the baffle plane 140 is called a bottom surface, which is a planar structure and abuts against the bottom plate 21. In order to achieve the flow guiding effect, the flow guiding surface 140 is configured as an inclined surface structure, which gradually decreases from the direction away from the water pan 213 side to the side close to the water pan 213, and gradually decreases from the direction close to the air guiding ring 215 side to the side away from the air guiding ring 215.

One side of the housing 23 abutting against the third side wall 130 is an arc-shaped structure, and correspondingly, the third side wall 130 is also provided with the arc-shaped structure, so that the third side wall 130 can be abutted against the inner wall of the housing 23 in a matching manner, and condensed water flowing down along the housing 23 can flow onto the flow guide surface 140.

In order to prevent the condensed water dropping on the flow guide surface 140 from flowing out of the air return opening 212, the meeting intersection position (marked as S) of the first side wall 110 and the flow guide surface 140 is set to be higher than the air guide ring 215. In order to prevent the condensed water dropping on the diversion surface 140 from smoothly flowing into the water receiving tray 213, a position (marked as P) where the second side wall 120 meets the diversion surface 140 is set higher than the side wall of the water receiving tray 213. The condensed water condensed on the housing 23 flows down to the flow guide surface 140 along the inner wall of the housing 23, and flows into the water receiving tray 213 under the flow guide effect of the flow guide surface.

The inclination angle of the flow guide surface 140 from the side far away from the water collector 213 to the side close to the water collector 213 is 8-12 degrees, preferably 10 degrees; the angle of inclination of the deflector surface 140 from the side close to the wind-guiding collar 215 to the side remote from the wind-guiding collar 215 is 8-12 °, preferably 10 °.

In order to prevent condensed water dropping on the flow guide surface 140 near the air return opening 212 from leaking out of the air return opening 212 due to splashing, in this embodiment, a water blocking rib 141 is disposed on one side of the flow guide surface 140 near the air guide ring 215, and the water blocking rib 141 extends and is distributed along the meeting intersection position of the flow guide surface 140 and the first side wall 110.

When the two diversion bodies 100 are installed on the bottom plate 21, one side of the diversion surface 140, which is far away from the air guide ring 215, is retracted into the side wall of the water receiving tray 213, which is abutted against the diversion surface, so that condensed water on the diversion surface 140 can flow into the water receiving tray 213 and cannot flow out of the water receiving tray 213.

The two flow conductors 100 are made of high-density heat-insulating foam, so that the flow conductors 100 have the functions of heat insulation and heat preservation while realizing the flow guiding function, and the loss of cold in the evaporation cavity is reduced.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims (10)

1. An evaporation module, comprising:

an evaporator;

the electric heating part is arranged on the evaporator and is used for heating the evaporator to defrost by electrifying;

the heat-conducting plate, the heat-conducting plate setting is in the bottom of evaporimeter and with electric heating element contacts, the heat-conducting plate is used for absorbing the heat that electric heating element produced heats the evaporimeter defrosting.

2. The evaporation module of claim 1, wherein said electric heating element is an electric heating tube, said electric heating tube being disposed at a bottom of said evaporator; the heat conducting plate is provided with a groove, and the electric heating pipe is further arranged in the groove.

3. The evaporation module of claim 2, wherein said thermally conductive plate is provided with raised mesas on which said grooves are formed.

4. The evaporation module of claim 1, wherein said electric heating element is an electric heating plate, an upper surface of said electric heating plate abuts against said evaporator, and a lower surface of said electric heating plate abuts against said heat conducting plate.

5. The evaporation module of claim 1, wherein said heat conductive plate further comprises a plurality of drainage holes.

6. The evaporation module of claim 1, wherein said heat conductive plate further comprises a plurality of raised heat dissipation structures.

7. Refrigeration equipment comprising a cabinet body and a refrigeration unit, wherein the cabinet body forms a storage cavity, the refrigeration unit is mounted on the cabinet body, the refrigeration unit comprises a compressor, a condenser and a throttling device, and the refrigeration unit further comprises an evaporation module according to any one of claims 1 to 6; the compressor, the condenser, the throttling device and the evaporator of the evaporation module are connected to form a refrigeration loop.

8. The refrigeration appliance according to claim 7, wherein said refrigeration unit is located at the top of said cabinet; the refrigeration unit further includes:

the bottom plate is provided with an air outlet and an air return inlet which are communicated with the storage cavity; the bottom plate is also provided with a water receiving disc, and the water receiving disc is positioned between the air outlet and the air return inlet; the bottom plate is also provided with a cover which covers the air outlet, the air return inlet and the water receiving tray, the cover and the bottom plate form an evaporation cavity, the evaporation module is arranged in the evaporation cavity and positioned above the water receiving tray, and the cover is also provided with an opening; and a cold leakage prevention part is arranged in the opening, and a first water discharge gap for discharging water in the water pan outwards is arranged on the cold leakage prevention part.

9. The refrigeration equipment as claimed in claim 8, wherein a water flow channel is formed between the cold leakage preventing component and the bottom plate, the cold leakage preventing component is provided with a first shielding part positioned at the outer end part of the water flow channel, and the first shielding part is provided with the first water discharge gap; the cold part of leak protection disposes and is located the inside second shelter portion of flowing water passageway, be provided with second drainage gap on the second shelter portion.

10. The refrigeration equipment as claimed in claim 8, wherein a wind guide ring is arranged on the return air inlet, an evaporation fan is arranged in the wind guide ring, and the wind guide ring and the evaporation fan are positioned in the evaporation cavity;

the refrigeration unit further includes:

the flow guide assembly is arranged on the bottom plate and located in the evaporation cavity, and is used for guiding condensed water formed on the housing to the water receiving tray.

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