CN214501799U

CN214501799U - Defrosting device for evaporator

Info

Publication number: CN214501799U
Application number: CN202120432941.8U
Authority: CN
Inventors: 张彩虹
Original assignee: Tangshan Guangye Food Group Co ltd
Current assignee: Tangshan Guangye Food Group Co ltd
Priority date: 2021-02-27
Filing date: 2021-02-27
Publication date: 2021-10-26
Anticipated expiration: 2031-02-27

Abstract

The application relates to the field of refrigerating chambers, in particular to a defrosting device for an evaporator. The present application has an effect of being able to remove frost from the surface of the evaporator.

Description

Defrosting device for evaporator

Technical Field

The present application relates to the field of refrigeration compartments, and more particularly, to a defrost device for an evaporator.

Background

At present, the raw materials used for producing the fresh fruit can are fresh fruits such as fruits, and in order to ensure the quality of the fresh fruits, the fresh fruit raw materials need to be refrigerated and stored.

As shown in fig. 1 and 2, in the refrigerating chamber 1 for refrigerating fresh fruits, a door 11 is provided at a vertical side of the refrigerating chamber 1, and a worker opens the door 11 to enter the refrigerating chamber 1 for storing fresh fruits. The inner wall of one side of the refrigerating chamber 1 far away from the door 11 is fixedly connected with an evaporator 12, the evaporator 12 works and refrigerates, so that the temperature of air around the evaporator 12 is gradually reduced, the temperature of the whole refrigerating chamber 1 is further reduced, and the aim of refrigerating fresh fruits is fulfilled.

In the practical process, during the process of refrigerating the evaporator 12, the water vapor around the evaporator 12 will be liquefied into water drops attached to the outer surface of the evaporator 12 when encountering the cold evaporator, and a relatively thick layer of frost will be attached to the surface of the evaporator 12 over time, which will affect the refrigerating effect of the evaporator 12 if not being removed.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that frost adheres to the outer surface of the evaporator, the application provides a defrosting device for the evaporator.

The application provides a defroster for evaporimeter adopts following technical scheme:

a defrosting device for an evaporator is characterized in that one vertical inner wall of a refrigerating chamber is fixedly connected with the evaporator, and the defrosting device comprises a first water outlet pipe arranged above the evaporator and used for spraying water to the evaporator.

By adopting the technical scheme, when the evaporator is used for a period of time and relatively thick frost is attached to the surface of the evaporator, the evaporator stops refrigerating. The first water outlet pipe is arranged above the evaporator, then the first water outlet pipe faces the evaporator to spray water, the frost is melted by the water, the frost on the surface of the evaporator can be removed, and the refrigeration effect of the evaporator is guaranteed. When the frost on the surface of the evaporator is removed, the first water outlet pipe stops water outlet.

Optionally, the first water outlet pipe is arranged on the square of the evaporator, the number of the first water outlet pipes is multiple, and the multiple first water outlet pipes are distributed along the axis of the evaporator.

By adopting the technical scheme, the first water outlet pipes are arranged right above the evaporator, and the first water outlet pipes simultaneously discharge water, so that the defrosting speed of the evaporator can be increased, and the defrosting efficiency of the evaporator is improved.

Optionally, the top end of the first water outlet pipe is fixedly connected with a first connecting pipe, the first connecting pipe is fixedly connected with a second connecting pipe, and the top end of the second connecting pipe penetrates out of the upper surface of the refrigerating chamber and is connected with a water pump.

Through adopting above-mentioned technical scheme, when needs carry out the defrosting work to the evaporimeter, the water pump makes water get into inside the second connecting pipe, then in water got into first connecting pipe, water flowed out from first outlet pipe, carried out the defrosting work to the evaporimeter. And when the defrosting work is finished, the water pump stops working.

Optionally, an exhaust fan for exhausting air towards the evaporator is fixedly connected to one of the inner walls of the refrigerating chamber.

By adopting the technical scheme, the cold air around the evaporator is blown to one side far away from the evaporator by the exhaust fan, so that the air flow in the refrigerating chamber is accelerated, the space of the refrigerating chamber is rapidly covered with the cold air around the evaporator, and the refrigerating efficiency is improved.

The water produced in the defrosting process of the evaporator can fall on the bottom surface of the refrigerating chamber on the lower side of the evaporator, and the exhaust fan increases the air circulation in refrigeration, so that the efficiency of moisture evaporation is accelerated, and the time for drying moisture is shortened.

Optionally, the inside fixedly connected with bracing piece of walk-in, one side fixedly connected with that the bracing piece is close to the air exhauster and contacts with the arc of wind.

Through adopting above-mentioned technical scheme, the cold wind that the air exhauster blew off blows to on the arc, and the arc has the guide effect to cold wind, and cold wind arrives the bottom surface of walk-in fast along the surface of arc. Meanwhile, cold air is rapidly in direct contact with the fresh fruits on the bottom surface of the refrigerating chamber, and refrigerating efficiency and effect of the fresh fruits are improved.

Optionally, a plurality of second water outlet pipes for spraying water to the evaporator are arranged beside the evaporator, and the second water outlet pipes are connected with a driving assembly for driving the second water outlet pipes to reciprocate along the vertical direction.

Through adopting above-mentioned technical scheme, when needs defrost the evaporimeter during operation, drive assembly drives second outlet pipe reciprocating motion in vertical direction, and the second outlet pipe carries out water spray work to the evaporimeter, and reciprocating motion's second outlet pipe accelerates water and frost contact to increase the area of covering of water, improve defrosting efficiency. And after the defrosting operation of the evaporator is finished, the second water outlet pipe stops discharging water, and the driving assembly stops driving the second water outlet pipe to move.

Optionally, the driving assembly comprises a moving rod fixedly connected with the second water outlet pipe, a connecting rod is fixedly connected to the upper surface of the moving rod, an air cylinder is fixedly connected to the upper surface of the refrigerating chamber, and a piston rod of the air cylinder penetrates through the top of the refrigerating chamber downwards and is fixedly connected with the connecting rod.

By adopting the technical scheme, the piston rod of the air cylinder moves in an extending and contracting reciprocating manner, the piston rod of the air cylinder drives the connecting rod to move up and down in a reciprocating manner, the connecting rod drives the movable rod to move up and down in a reciprocating manner, the movable rod drives the second water outlet pipe to move up and down in a reciprocating manner, and the driving process is more convenient.

Optionally, the lower part of the outer wall of the refrigerating chamber on one side close to the evaporator is fixedly connected with a plurality of drain pipes, the drain pipes are communicated with the inside of the refrigerating chamber, and each drain pipe is provided with a valve.

Through adopting above-mentioned technical scheme, at the in-process that carries out the defrosting to the evaporimeter, water is mainly gathered on the walk-in bottom surface of evaporimeter below, opens the valve, and the water of walk-in bottom surface upper portion is got rid of from the drain pipe, reduces the ponding volume of walk-in bottom surface, improves the speed that the water in the walk-in dried.

Optionally, the bottom surface of the refrigerating chamber, which is arranged on the lower side of the evaporator, is an inclined surface, and the drain pipe is arranged on the lowest side close to the inclined surface.

Through adopting above-mentioned technical scheme, the water that falls onto the cold-storage room bottom surface flows to drain pipe department along the incline direction on inclined plane, and the inclined plane makes ponding faster, more discharge from the drain pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the evaporator is used for a period of time, relatively thick frost is attached to the surface of the evaporator, and the evaporator stops refrigerating. The first water outlet pipe is arranged above the evaporator, then the first water outlet pipe faces the evaporator to spray water, the frost is melted by the water, the frost on the surface of the evaporator can be removed, and the refrigeration effect of the evaporator is ensured;

2. when the evaporator needs defrosting operation, the driving assembly drives the second water outlet pipe to reciprocate in the vertical direction, the second water outlet pipe sprays water to the evaporator, the reciprocating second water outlet pipe accelerates water to be in contact with frost, the water coverage area is increased, and defrosting efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of the background art.

Fig. 2 is a schematic diagram of a related art evaporator.

Fig. 3 is a schematic structural diagram of embodiment 1 in the present application.

Fig. 4 is a schematic view of the first water outlet pipe in embodiment 1.

Fig. 5 is a schematic structural diagram of embodiment 2 in the present application.

Fig. 6 is a schematic view of a second water outlet pipe in embodiment 2.

Description of reference numerals: 1. a refrigerating chamber; 11. a door; 12. an evaporator; 13. a bevel; 2. a first connecting pipe; 21. a second connecting pipe; 22. a first water outlet pipe; 3. an exhaust fan; 4. a support bar; 41. an arc-shaped plate; 5. a second water outlet pipe; 6. a drive assembly; 61. a travel bar; 62. a connecting rod; 63. a cylinder; 7. a drain pipe; 71. and (4) a valve.

Detailed Description

The present application is described in further detail below with reference to figures 3-6.

The embodiment of the application discloses a defroster for evaporimeter.

Example 1

As shown in fig. 3 and 4, a door 11 is provided on one of the vertical sides of the refrigerating compartment 1, and an evaporator 12 is fixedly connected to the inner wall of the refrigerating compartment 1 on the side away from the door 11.

The defrosting device includes a first connection pipe 2 provided directly above the evaporator 12, and the axial direction of the first connection pipe 2 is parallel to the axial direction of the evaporator 12. The first connecting pipe 2 is fixedly connected with a vertically arranged second connecting pipe 21, and the second connecting pipe 21 is communicated with the first connecting pipe 2. The top end of the second connection pipe 21 penetrates through the upper surface of the refrigerating chamber 1, the second connection pipe 21 is fixedly connected with the top of the refrigerating chamber 1, and the second connection pipe 21 is connected with an external water pump (not shown in the figure).

One side of the first connecting pipe 2 close to the evaporator 12 is fixedly connected with a plurality of first water outlet pipes 22, and the plurality of first water outlet pipes 22 are equidistantly distributed along the axial direction of the first connecting pipe 2.

As shown in fig. 3 and 4, after the frost is adhered to the surface of the evaporator 12 to a relatively large thickness, the fresh fruit is stopped from being supplied into the refrigerating chamber 1, and when all the fruit originally refrigerated in the refrigerating chamber 1 is used up, the evaporator 12 is stopped and the door 11 is opened.

The water pump is operated, water enters the first connecting pipe 2 after passing through the second connecting pipe 21, then the water flows out from the first water outlet pipe 22, the outflow water falls on the outer surface of the evaporator 12, the frost is melted by the water, and then the frost is left on the bottom surface of the refrigerating chamber 1 together with the water. The frost is melted by the water, and the frost on the surface of the evaporator 12 can be removed, so that the refrigeration effect of the evaporator 12 is ensured.

When the frost on the surface of the evaporator 12 is removed, the water pump stops working, and the first water outlet pipe 22 stops discharging water. After the moisture in the refrigerating chamber 1 is dried, the door 11 is closed, the evaporator 12 continues to work, and the fresh fruits are refrigerated.

As shown in fig. 3 and 4, an inner wall of the refrigerating chamber 1 far from the door 11 is fixedly connected with an exhaust fan 3, and the exhaust fan 3 is arranged beside the evaporator 12. The exhaust fan 3 draws air against the evaporator 12, and the cool air around the evaporator 12 is drawn into the exhaust fan 3, and then the cool air is blown out from the side of the exhaust fan 3 away from the evaporator 12. The exhaust fan 3 accelerates the air flow in the refrigerating chamber 1, so that the cold air around the evaporator 12 is quickly distributed in the inner space of the refrigerating chamber 1, and the refrigerating efficiency is improved.

Meanwhile, after the evaporator 12 is defrosted, in the process of drying the moisture in the refrigerating chamber 1, the exhaust fan 3 is in a working state, and the exhaust fan 3 increases the air circulation in the refrigerating chamber to accelerate the moisture evaporation efficiency.

As shown in fig. 4, a support rod 4 is fixedly connected to the inner wall of the side of the refrigerating chamber 1 connected with the exhaust fan 3, and an arc-shaped plate 41 is fixedly connected to the side of the support rod 4 close to the exhaust fan 3. The cold air blown by the suction fan 3 is blown onto the arc-shaped plate 41, and the arc-shaped plate 41 has a guiding function on the cold air, and the cold air rapidly reaches the bottom surface of the refrigerating chamber 1 along the surface of the arc-shaped plate 41.

The arc-shaped plate 41 enables cold air to uniformly blow towards the bottom surface of the refrigerating chamber 1, so that the cold air is rapidly in direct contact with fresh fruits on the bottom surface of the refrigerating chamber 1, and the refrigerating efficiency and effect of the fresh fruits are improved.

The implementation principle of the embodiment 1 is as follows: the evaporator 12 operates to refrigerate the refrigerating compartment 1, and the exhaust fan 3 exhausts air against the evaporator 12. When the defrosting operation of the evaporator 12 is required, the door 11 is opened and the evaporator 12 is stopped. The water pump is operated, water enters the first connecting pipe 2 after passing through the second connecting pipe 21, then the water flows out from the first water outlet pipe 22, the outflow water falls on the outer surface of the evaporator 12, the frost is melted by the water, and then the frost is left on the bottom surface of the refrigerating chamber 1 together with the water. When the moisture in the refrigerating compartment 1 is dried, the evaporator 12 performs a cooling operation again.

Example 2

As shown in fig. 5 and fig. 6, the present embodiment is different from embodiment 1 in that a plurality of second water outlet pipes 5 are disposed beside the evaporator 12, and the plurality of second water outlet pipes 5 are equidistantly distributed along the axial direction of the evaporator 12.

One ends of the second water outlet pipes 5, which are far away from the evaporator 12, are respectively and fixedly connected with hoses (not shown in the figure), the top ends of the hoses penetrate out of the upper surface of the refrigerating chamber 1, and the hoses are connected with a water pump.

The upper side of the second water outlet pipe 5 is connected with a driving component 6, and the driving component 6 drives the second water outlet pipe 5 to reciprocate along the vertical direction. When defrosting of the evaporator 12 is required, the water pump is operated, water is sprayed from the second water outlet pipe 5, and the water in the second water outlet pipe 5 flows to the surface of the evaporator 12. The driving component 6 drives the second water outlet pipe 5 to reciprocate up and down, the reciprocating second water outlet pipe 5 accelerates the contact speed of water and frost, the coverage area of water is increased, and the defrosting efficiency is improved.

When the defrosting operation of the evaporator 12 is completed, the water pump stops operating, and the driving assembly 6 stops driving the second water outlet pipe 5 to move.

As shown in fig. 5 and 6, the driving assembly 6 includes a moving rod 61 fixedly connected to the upper side of the second water outlet pipe 5, and a vertically arranged connecting rod 62 is fixedly connected to the upper surface of the moving rod 61. The upper surface of the refrigerating chamber 1 is fixedly connected with an air cylinder 63, a piston rod of the air cylinder 63 downwards penetrates through the top of the refrigerating chamber 1, a piston rod of the air cylinder 63 is in sliding connection with the top of the refrigerating chamber 1, and a piston rod of the air cylinder 63 is fixedly connected with the top end of the connecting rod 62.

The piston rod of the cylinder 63 extends and contracts to reciprocate, the piston rod of the cylinder 63 drives the connecting rod 62 to reciprocate up and down, the connecting rod 62 drives the moving rod 61 to reciprocate up and down, the moving rod 61 drives the second water outlet pipe 5 to reciprocate up and down, and the driving process is convenient. When no movement of the second outlet pipe 5 is required, the piston rod of the cylinder 63 stops moving.

As shown in fig. 5 and 6, a plurality of drain pipes 7 are fixedly connected to the bottom of the refrigerating compartment 1 near the evaporator 12, the drain pipes 7 are communicated with the inside of the refrigerating compartment 1, and each drain pipe 7 is provided with a valve 71. In the process of defrosting the evaporator 12, water is mainly gathered on the bottom surface of the refrigerating chamber 1 below the evaporator 12, the valve 71 is opened, and water on the upper part of the bottom surface of the refrigerating chamber 1 is drained from the drain pipe 7, so that the accumulated water amount on the bottom surface of the refrigerating chamber 1 is reduced, and the speed of drying the water in the refrigerating chamber 1 is increased.

The bottom surface of the refrigerating compartment 1, which is positioned at the lower side of the evaporator 12, is provided with an inclined surface 13, and the height of the inclined surface 13 away from the drain pipe 7 is higher than that of the side close to the drain pipe 7. The water falling on the bottom surface of the refrigerating chamber 1 flows toward the drain pipe 7 in the inclined direction of the inclined surface 13, so that the accumulated water is more quickly and more discharged from the drain pipe 7. When no accumulated water is discharged from the drain pipe 7, the valve 71 is closed.

The implementation principle of the embodiment 2 is as follows: the piston rod of the cylinder 63 extends and contracts to reciprocate, the piston rod of the cylinder 63 drives the connecting rod 62 to reciprocate up and down, the connecting rod 62 drives the moving rod 61 to reciprocate up and down, the moving rod 61 drives the second water outlet pipe 5 to reciprocate up and down, and the second water outlet pipe 5 sprays water to the evaporator 12.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A defrost device for an evaporator, one of the vertical inner walls of a refrigeration compartment (1) having an evaporator (12) fixedly connected thereto, characterized in that: the defrosting device comprises a first water outlet pipe (22) which is arranged above the evaporator (12) and sprays water to the evaporator (12).

2. A defrosting apparatus for an evaporator according to claim 1, wherein: the first water outlet pipe (22) is arranged on the square of the evaporator (12), the number of the first water outlet pipes (22) is multiple, and the multiple first water outlet pipes (22) are distributed along the axis of the evaporator (12).

3. A defrosting apparatus for an evaporator according to claim 2, wherein: the top end of the first water outlet pipe (22) is fixedly connected with a first connecting pipe (2), the first connecting pipe (2) is fixedly connected with a second connecting pipe (21), and the top end of the second connecting pipe (21) penetrates out of the upper surface of the refrigerating chamber (1) and is connected with a water pump.

4. A defrosting apparatus for an evaporator according to claim 3, wherein: and an exhaust fan (3) for exhausting air towards the evaporator (12) is fixedly connected to one inner wall of the refrigerating chamber (1).

5. A defrosting apparatus for an evaporator according to claim 4, wherein: the air conditioner is characterized in that a supporting rod (4) is fixedly connected inside the refrigerating chamber (1), and an arc-shaped plate (41) in contact with wind is fixedly connected to one side, close to the exhaust fan (3), of the supporting rod (4).

6. A defrosting apparatus for an evaporator according to claim 4, wherein: the evaporator is characterized in that a plurality of second water outlet pipes (5) for spraying water to the evaporator (12) are arranged beside the evaporator (12), and the second water outlet pipes (5) are connected with driving components (6) for driving the second water outlet pipes (5) to reciprocate along the vertical direction.

7. A defrosting apparatus for an evaporator according to claim 6, wherein: drive assembly (6) include with second outlet pipe (5) fixed connection's movable rod (61), fixed surface is connected with connecting rod (62) on movable rod (61), fixed surface is connected with cylinder (63) on cold-storage room (1), the piston rod of cylinder (63) passes cold-storage room (1) top downwards and with connecting rod (62) fixed connection.

8. A defrosting apparatus for an evaporator according to claim 7, wherein: the refrigerator is characterized in that a plurality of drain pipes (7) are fixedly connected to the lower portion of the outer wall of one side, close to the evaporator (12), of the refrigerating chamber (1), the drain pipes (7) are communicated with the interior of the refrigerating chamber (1), and valves (71) are mounted on each drain pipe (7).

9. A defrosting apparatus for an evaporator according to claim 8, wherein: the bottom surface of the refrigerating chamber (1) arranged on the lower side of the evaporator (12) is an inclined surface (13), and the drain pipe (7) is arranged on the lowest side close to the inclined surface (13).