CN111595070A

CN111595070A - Fin evaporator

Info

Publication number: CN111595070A
Application number: CN202010361870.7A
Authority: CN
Inventors: 吴忠南
Original assignee: Zhejiang Income New Energy Co ltd
Current assignee: Zhejiang Income New Energy Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-08-28
Anticipated expiration: 2040-04-30
Also published as: CN111595070B

Abstract

The invention discloses a fin evaporator. It includes main body frame, refrigerant pipe and fin subassembly, fin subassembly install in main body frame, the refrigerant pipe install on fin subassembly, fin subassembly include a plurality of evaporation fins, evaporation fins include fin main part and fin and turn over the board, refrigerant pipe install in fin main part, fin turn over the board and install both sides about fin main part, the fin turn over and be equipped with the axis of rotation, the fin turn over the board and rotate with fin main part through the axis of rotation and be connected, main body frame's upper end is equipped with rotating assembly, the axis of rotation be connected with rotating assembly, evaporation fins on be equipped with heating element. The invention has the beneficial effects that: the cold medium pipe heat absorption effect is improved, the heat absorption efficiency is high, the air flow performance is good, the contact area is large, the change of the environment can be better adapted, the defrosting efficiency is high, and the garbage is not easy to adhere to.

Description

Fin evaporator

Technical Field

The invention relates to the technical field of water drinkers, in particular to a fin evaporator.

Background

The evaporator is an important part in four major refrigeration parts, and low-temperature condensed liquid passes through the evaporator to exchange heat with external air, gasifies and absorbs heat, and achieves the refrigeration effect. The air energy water heater is a compression type heat pump device applying the working principle of a heat pump, mainly comprises four parts, namely an evaporator, a compressor, a condenser and an expansion valve, and continuously finishes the thermodynamic cycle process of evaporation (absorbing heat in the environment) → compression → condensation (releasing heat source quantity) → throttling → re-evaporation by enabling working media, so that the heat in the environment is transferred to water. One is a device in which an evaporator absorbs heat from air and heats water by changing the temperature of the water in a condenser to gradually rise, and is called an air source heat pump water heater; the other is a device in which an evaporator absorbs heat from water and heats the water in a condenser by conversion, and the device is called a water source heat pump water heater (water-water heat pump).

The function of the evaporator of the air energy water heater is as follows: the refrigerant exchanges heat with air, absorbs heat in the air, and changes the low-temperature low-pressure refrigerant liquid into low-temperature low-pressure gas (refrigerant vaporization). When the existing evaporator is placed outdoors and meets the outdoor environment of frost, the problem of difficult defrosting often exists, and the heat in the air is only absorbed in the normal external environment, so that the fluidity of the air cannot be actively improved, and the heat absorption efficiency is low.

Disclosure of Invention

The invention provides a fin evaporator for improving the heat absorption effect of a refrigerant tube in order to overcome the defects in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a fin evaporator, includes main body frame, refrigerant pipe and fin subassembly, fin subassembly install in main body frame, the refrigerant pipe install on fin subassembly, fin subassembly include a plurality of evaporation fins, evaporation fins include fin main part and fin turn over the board, the refrigerant pipe install in fin main part, the fin turn over the board and install both sides about the fin main part, the fin turn over and be equipped with the axis of rotation on the board, the fin turn over the board and be connected through axis of rotation and fin main part rotation, main body frame's upper end is equipped with rotating assembly, the axis of rotation be connected with rotating assembly, evaporation fins on be equipped with heating element.

The evaporation fin is divided into two parts, namely a fin main body and a fin turning plate, and the fin main body is designed and used for being arranged on the refrigerant pipe; the fin turning plate can rotate freely on the fin main body through the design of the fin turning plate and the rotating assembly, and the free rotation of the fin can be adjusted adaptively according to the wind direction, so that the air flow among the evaporating fins can be improved, and the heat absorption effect of the refrigerant pipe on the air is improved; the design of the heating assembly can deal with the problem that air among the evaporation fins is not circulated under the condition of frost on one hand, and can provide partial heat for the refrigerant pipe on the other hand, so that liquid in the refrigerant pipe is gasified into gas; the design achieves the purpose of improving the heat absorption effect of the refrigerant pipe.

Preferably, the rotating assembly comprises a rotating shaft support and a rotating motor, a support groove is formed in the upper end of the main body frame, the rotating shaft support is installed in the support groove, the rotating shaft penetrates through the main body frame to be connected with the rotating shaft support in the support groove, the rotating motor is installed at one end of the support groove, a motor shaft is arranged on the rotating motor, and the rotating motor is connected with the rotating shaft support through the motor shaft. Through the cooperation of pivot support and pivot, realized the unified adjustment of fin board of turning over to the change of adaptation environment that can be better.

Preferably, the fin main body is provided with a plurality of through holes, the through holes are distributed around the refrigerant pipe, the fin main body is provided with ventilation pipes at positions where the through holes are located, the ventilation pipes are arranged on the left side surface and the right side surface of the fin main body, and the ventilation pipes are symmetrically distributed in the left-right direction by taking the fin main body as the center. Through the design of through-hole and ventilation pipe, its purpose is in order to increase the circulation of air between the evaporation fin, has still increased the area of evaporation fin simultaneously to make the area of contact between air and the evaporation fin also increase, improved the heat absorption efficiency of refrigerant pipe.

Preferably, the diameter of one end of the ventilation pipe is larger than that of the other end of the ventilation pipe, the diameter of the ventilation pipe is gradually reduced from one end to the other end, and the end with the small diameter of the ventilation pipe is arranged on the through hole. The ventilation pipe is designed into a bell mouth shape, and the purpose is to enable a process of compressing air to be available in the process of enabling wind to enter another evaporation fin from one evaporation fin, so that the wind power can be increased, and the flowing capacity of the air is improved; on the other hand, the garbage can be prevented from being accumulated in the ventilation pipe, and the garbage can not be attached to the inner wall of the ventilation pipe due to the shape of the bell mouth and can fall out due to the guiding effect of the inclined surface of the ventilation pipe.

Preferably, the through holes on two adjacent fin bodies are distributed in a vertically staggered manner, and the through holes on two adjacent fin bodies are distributed in a horizontally staggered manner. Through the staggered distribution of the upper part and the lower part and the left part and the right part, air cannot directly pass through the through hole from one evaporation fin to the other evaporation fin, and the air acts on the fin main body firstly and is absorbed by the refrigerant pipe through the fin main body.

Preferably, the heating assembly comprises a heating wire and a heating belt, the heating wire is installed on the outer surface of the fin main body, and the heating belt is installed inside the fin turning plate. The heating wire is designed to improve the treatment effect of defrosting; and through the design of heating band, through the heat-conduction with the even dispersion of heat to whole fin turn-over board, carry out comprehensive defrosting operation.

Preferably, the distribution shape of the heating belt inside the fin turning plate is wave-shaped. Through the design of wavy heating band, its purpose turns over the board for better heating fin, improves the defrosting efficiency.

Preferably, a vibration motor is arranged on the fin turning plate and on the side far away from the rotating shaft. Through the design of vibrating motor, can turn over the board to the fin and carry out vibration operation, improved the defrosting efficiency on the board is turned over to the fin.

Preferably, heating wires are wound on the main body of the fin and arranged at the edges of the through holes and the edges of the refrigerant pipes, a heating wire is arranged on each through hole, and the heating wires on the through holes are connected with the heating wires on the refrigerant pipes through the heating wires. The heating wires are distributed around the through holes and the refrigerant pipe, on one hand, the heating wires are used for better defrosting the ventilation pipe and the refrigerant pipe, on the other hand, the air in the ventilation pipe can be heated, the pressure of the air in the through holes is increased according to the principle of expansion with heat and contraction with cold, the flowing effect of the air is increased, and the refrigerant pipe can also directly absorb the heat on the heating wires.

Preferably, the surface of the evaporation fin is coated with a hydrophilic film. The design of the hydrophilic membrane ensures that water is not easy to attach to the evaporation fins, so that the evaporation fins can be in better contact with air on one hand, and the corrosion effect of the water on the evaporation fins can be reduced on the other hand.

The invention has the beneficial effects that: the cold medium pipe heat absorption effect is improved, the heat absorption efficiency is high, the air flow performance is good, the contact area is large, the change of the environment can be better adapted, the defrosting efficiency is high, and the garbage is not easy to adhere to.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of an evaporation fin.

In the figure: 1. the heat-insulation heating device comprises a support groove, a rotating shaft support 2, a rotating shaft 3, a rotating shaft 4, a ventilating pipe 5, an evaporation fin 6, a rotating motor 7, a motor shaft 8, a main body frame 9, a refrigerant pipe 9, a fin turning plate 10, a heating belt 11, a fin main body 12, a vibration motor 13, a heating wire 14 and a through hole 15.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

In the embodiment shown in fig. 1 and 2, a fin evaporator includes a main frame 8, a refrigerant pipe 9 and a fin assembly, the fin assembly is installed in the main frame 8, the refrigerant pipe 9 is installed on the fin assembly, the fin assembly includes a plurality of evaporation fins 5, the evaporation fins 5 include a fin main body 12 and a fin turning plate 10, the refrigerant pipe 9 is installed on the fin main body 12, the fin turning plate 10 is installed on the left side and the right side of the fin main body 12, a rotation shaft 3 is arranged on the fin turning plate 10, the fin turning plate 10 is rotatably connected with the fin main body 12 through the rotation shaft 3, a rotation assembly is arranged at the upper end of the main frame 8, the rotation shaft 3 is connected with the rotation assembly, and a heating assembly is arranged.

The rotating assembly comprises a rotating shaft support 2 and a rotating motor 6, a support groove 1 is formed in the upper end of a main body frame 8, the rotating shaft support 2 is installed in the support groove 1, a rotating shaft 3 penetrates through the main body frame 8 to be connected with the rotating shaft support 2 in the support groove 1, the rotating motor 6 is installed at one end of the support groove 1, a motor shaft 7 is arranged on the rotating motor 6, and the rotating motor 6 is connected with the rotating shaft support 2 through the motor shaft 7.

The fin main body 12 is provided with a plurality of through holes 15, the through holes 15 are distributed around the refrigerant pipe 9, the fin main body 12 is provided with ventilation pipes 4 at positions where the through holes 15 are arranged, the ventilation pipes 4 are arranged on the left side surface and the right side surface of the fin main body 12, and the ventilation pipes 4 are symmetrically distributed in the left-right direction by taking the fin main body 12 as the center. The diameter of one end of the vent pipe 4 is larger than that of the other end of the vent pipe 4, the diameter of the vent pipe 4 is gradually reduced from one end to the other end, and the end with the small diameter of the vent pipe 4 is arranged on the through hole 15. The through holes 15 on two adjacent fin bodies 12 are staggered up and down, and the through holes 15 on two adjacent fin bodies 12 are staggered left and right.

The heating assembly comprises a heating wire 14 and a heating belt 11, the heating wire 14 is installed on the outer surface of the fin main body 12, and the heating belt 11 is installed inside the fin turning plate 10. The distribution shape of the heating belt 11 inside the fin turning plate 10 is wave-shaped. A vibration motor 13 is arranged on the fin flap 10 on the side away from the rotating shaft 3. Heating wires 14 are wound on the fin main body 12 and are arranged at the edges of the through holes 15 and the edges of the refrigerant pipes 9, wherein each through hole 15 is provided with one heating wire 14, and the heating wires 14 on the through holes 15 are connected with the heating wires 14 on the refrigerant pipes 9 through the heating wires 14. The surface of the evaporation fin 5 is coated with a hydrophilic film.

During the use, can control rotation motor 6 according to the change of wind-force and operate fin turns over board 10, specifically do: rotating motor 6 and driving motor shaft 7 and rotating, motor shaft 7 drives pivot support 2 action, and the axis of rotation 3 on the pivot support 2 also rotates thereupon, thereby it carries out the change of certain angle's rotation in order to adapt to the wind direction to drive fin board 10, thereby make the air more circulate, make refrigerant pipe 9 can be the heat in the more efficient absorbed air, meanwhile be equipped with ventilation pipe 4 on the fin main part 12, the air still can flow between evaporation fin 5 through ventilation pipe 4, and the horn mouth structural design of ventilation pipe 4 can improve the flow efficiency of air.

When defrosting operation is required, the fin turning plate 10 is defrosted through the heating belt 11; the defrosting operation of the fin main body 12 is performed by the heater wire 14; the method specifically comprises the following steps: the heating belt 11 is used for heating operation, and as the heating belt 11 is arranged inside the fin turning plate 10, heat can be uniformly transferred to the whole fin turning plate 10, and along with the action of the vibration motor 13, frost on the whole fin turning plate 10 can be efficiently removed; when the heating wire 14 is used for heating, the heating wire firstly acts around the through hole 15 and the refrigerant pipe 9, the frost on the ventilation pipe 4 and the refrigerant pipe 9 can be quickly removed along with the action of the vibration motor 13 and simultaneously the defrosting treatment is carried out on the fin main body 12 through the heat transfer action, the air in the ventilation pipe 4 can be heated by the heating wire 14 around the through hole 15, the air expands due to heat and contracts due to cold, when the air on one side of the fin main body 12 enters the other side of the fin main body 12, the air pressure is increased, the air circulation after entering is higher, the heat of an acting chamber of the heating wire 14 around the refrigerant pipe 9 can be absorbed by the refrigerant in the refrigerant pipe 9, and the efficiency of changing the refrigerant into gas from liquid is improved. In order to improve the defrosting effect, the rotating motor 6 can also rotate the fin turning plate 10 to coat the whole fin main body 12 inside, so that a cavity is formed to reduce the loss of heat on the fins; the air can still circulate through the ventilation pipe 4, and the use of the whole evaporator is not influenced; particularly, in bad weather, the fin body 12 is covered to protect the refrigerant pipe 9 inside from being damaged.

Claims

1. A fin evaporator is characterized by comprising a main body frame (8), a refrigerant pipe (9) and a fin assembly, the fin component is arranged in the main body frame (8), the refrigerant pipe (9) is arranged on the fin component, the fin component comprises a plurality of evaporation fins (5), the evaporation fins (5) comprise fin main bodies (12) and fin turning plates (10), the refrigerant pipe (9) is arranged on the fin main body (12), the fin turning plates (10) are arranged on the left side and the right side of the fin main body (12), the fin turning plate (10) is provided with a rotating shaft (3), the fin turning plate (10) is rotationally connected with the fin main body (12) through the rotating shaft (3), the upper end of main body frame (8) is equipped with runner assembly, axis of rotation (3) be connected with runner assembly, evaporation fin (5) on be equipped with heating element.

2. A fin evaporator according to claim 1, wherein the rotating assembly includes a rotating shaft support (2) and a rotating motor (6), a support groove (1) is formed at the upper end of the main body frame (8), the rotating shaft support (2) is installed in the support groove (1), the rotating shaft (3) penetrates through the main body frame (8) to be connected with the rotating shaft support (2) in the support groove (1), the rotating motor (6) is installed at one end of the support groove (1), a motor shaft (7) is arranged on the rotating motor (6), and the rotating motor (6) is connected with the rotating shaft support (2) through the motor shaft (7).

3. A fin evaporator according to claim 1 or 2, wherein the fin main body (12) is provided with a plurality of through holes (15), the through holes (15) are distributed around the refrigerant pipe (9), the fin main body (12) is provided with ventilation pipes (4) at positions where the through holes (15) are located, the ventilation pipes (4) are installed on the left side surface and the right side surface of the fin main body (12), and the ventilation pipes (4) are symmetrically distributed left and right with the fin main body (12) as the center.

4. A fin evaporator according to claim 3, wherein the diameter of one end of the ventilation tube (4) is larger than that of the other end of the ventilation tube (4), the diameter of the ventilation tube (4) is gradually reduced from one end to the other end, and the end of the ventilation tube (4) having a smaller diameter is fitted to the through hole (15).

5. A fin evaporator according to claim 3, wherein the through holes (15) of two adjacent fin bodies (12) are staggered up and down, and the through holes (15) of two adjacent fin bodies (12) are staggered left and right.

6. A fin evaporator according to claim 3, wherein said heating assembly comprises heating wires (14) and heating tapes (11), said heating wires (14) being mounted on the outer surface of the fin body (12), said heating tapes (11) being mounted inside the fin flap (10).

7. A fin evaporator according to claim 6, wherein the distribution of the heating strips (11) inside the fin flaps (10) is undulated.

8. A fin evaporator according to claim 6, wherein the fin flap (10) is provided with a vibration motor (13) on the side remote from the rotary shaft (3).

9. A fin evaporator according to claim 6, wherein heating wires (14) are wound on the fin main body (12) and are arranged at the edges of the through holes (15) and the edges of the refrigerant pipes (9), wherein each through hole (15) is provided with one heating wire (14), and the heating wires (14) on the through holes (15) are connected with the heating wires (14) on the refrigerant pipes (9) through the heating wires (14).

10. A fin evaporator according to claim 1 or 2, wherein the surface of said evaporation fin (5) is coated with a hydrophilic film.