CN212673565U

CN212673565U - Evaporator defrosting improvement structure in low-temperature environment

Info

Publication number: CN212673565U
Application number: CN202021413212.XU
Authority: CN
Inventors: 张和君; 张栋业; 程小山
Original assignee: Ningbo Deye Domestic Electrical Appliance Technology Co ltd
Current assignee: Ningbo Deye Domestic Electrical Appliance Technology Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-03-09
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses an evaporimeter defrosting under low temperature environment improves structure, including condenser, first capillary, evaporimeter, second capillary and compressor, be equipped with the condenser pipe on the condenser, be equipped with the evaporating pipe on the evaporimeter, the evaporimeter lower extreme still is equipped with U type pipe, and first capillary both ends link to each other with condenser pipe and U type pipe respectively, and second capillary both ends link to each other with evaporating pipe and U type pipe respectively, and the condenser pipe initial end is connected with the compressor, and the evaporating pipe is terminal to be connected with the compressor. The utility model provides an evaporimeter defrosting under low temperature environment improves structure has following advantage: under the low temperature environment, the evaporator has good defrosting capacity, and the icing degree at the bottom of the evaporator is reduced.

Description

Evaporator defrosting improvement structure in low-temperature environment

Technical Field

The utility model relates to an evaporimeter structure of defrosting especially relates to an evaporimeter under low temperature environment structure of improving that defrosts.

Background

At present, the evaporimeter is very widely used in the industrial field, and in the electrical apparatus, electrical apparatus such as mainly air conditioner, refrigerator, air energy water heater all generally used the evaporimeter, and in traditional design, the basic cycle of refrigeration is: the condenser, the capillary tube, the evaporator, the compressor and the condenser are arranged in a way that the temperature of a pipeline at the lower end of the evaporator reaches-20 ℃ in a low-temperature environment, and the evaporator is easy to freeze and can not be defrosted cleanly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an evaporator defrosting under the clean low temperature environment of defrosting improves structure in order to solve the not enough of above-mentioned technique.

In order to achieve the purpose, the utility model provides an evaporimeter under low temperature environment changes frost and improves structure, it includes the condenser, first capillary, the evaporimeter, second capillary and compressor, be equipped with the condenser pipe on the condenser, be equipped with the evaporating pipe on the evaporimeter, the evaporimeter lower extreme still is equipped with U type pipe, first capillary both ends link to each other with condenser pipe and U type pipe respectively, second capillary both ends link to each other with evaporating pipe and U type pipe respectively, the condenser pipe is connected with the compressor at the initial end, the evaporating pipe is terminal to be connected with the compressor.

For better heat dissipation, the condensation pipe is in an S-shaped winding and spiraling shape.

For better heat absorption, the evaporation tube is in an S-shaped winding and coiling shape.

For better control of the cooling effect, the first capillary tube is longer than the second capillary tube.

The utility model provides an evaporimeter defrosting under low temperature environment improves structure has following advantage: under the low temperature environment, the evaporator has good defrosting capacity, and the icing degree at the bottom of the evaporator is reduced.

Drawings

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

fig. 2 is a partial side view of embodiment 1 of the present invention.

In the figure: condenser 1, first capillary 2, evaporimeter 3, second capillary 4, compressor 5, condenser pipe 6, evaporating pipe 7, U type pipe 8.

Detailed Description

In order to clearly understand the technical solution of the present invention, the present invention is further illustrated by the following embodiments in combination with the accompanying drawings.

Example 1:

the evaporator defrosting under the low temperature environment that this embodiment provided improves structure, as shown in fig. 1, fig. 2, including condenser 1, first capillary 2, evaporimeter 3, second capillary 4 and compressor 5, be equipped with condenser pipe 6 on the condenser 1, be equipped with evaporating pipe 7 on the evaporimeter 3, evaporimeter 3 lower extreme still is equipped with U type pipe 8, first capillary 2 both ends link to each other with condenser pipe 6 and U type pipe 8 respectively, second capillary 4 both ends link to each other with evaporating pipe 7 and U type pipe 8 respectively, condenser pipe 6 initial end is connected with compressor 5, evaporating pipe 7 end is connected with compressor 5.

Through the design, a closed refrigeration cycle loop is formed among the condenser 1, the first capillary tube 2, the evaporator 3, the U-shaped tube 8, the second capillary tube 4 and the compressor 5, when the refrigeration cycle loop is used, a high-temperature and high-pressure gaseous refrigerant compressed by the compressor 5 flows into the condenser 1 and is condensed into a liquid refrigerant, flows into the U-shaped tube 8 at the lower end of the evaporator 3 through throttling and pressure reduction of the first capillary tube 2, flows into the evaporator tube 7 of the evaporator 3 after being throttled again through the second capillary tube 4, is completely evaporated to form a low-pressure gaseous refrigerant, and finally returns to the compressor 5, and the refrigeration cycle is carried out.

The device can evaporate a small amount of liquid refrigerant in the U-shaped pipe 8 at the lower end of the evaporator 3, the bottom temperature of the evaporator 3 is about minus 5 ℃, the icing degree is reduced, the defrosting can be completed in each defrosting week, and the defrosting time reaches the design requirement.

Example 2:

in the defrosting improvement structure of the evaporator in a low temperature environment provided by the present embodiment, in order to further increase the amount of heat dissipation, the condensation pipe 6 has an S-shaped winding and spiral shape in addition to the features described in embodiment 1.

For better heat absorption, the evaporation tube 7 is in a serpentine S-shaped spiral.

Through the design, the heat exchange between the condensation pipe 6 and the evaporation pipe 7 is uniform, and the energy consumption is further reduced.

Example 3:

in order to better control the cooling effect, in the evaporator defrosting improvement structure under low temperature environment provided by this embodiment, in addition to the features described in embodiment 2, the first capillary tube 2 is longer than the second capillary tube 4, so that the flow rate of the first capillary tube 2 is smaller than the flow rate of the second capillary tube 4.

In this embodiment, the first capillary 2 has a length of 550mm, and the second capillary 4 has a length of 50 mm.

Claims

1. The utility model provides a structure is improved in evaporimeter defrosting under low temperature environment, a serial communication port, including condenser (1), first capillary (2), evaporimeter (3), second capillary (4) and compressor (5), be equipped with condenser pipe (6) on condenser (1), be equipped with evaporating pipe (7) on evaporimeter (3), evaporimeter (3) lower extreme still is equipped with U type pipe (8), first capillary (2) both ends link to each other with condenser pipe (6) and U type pipe (8) respectively, second capillary (4) both ends link to each other with evaporating pipe (7) and U type pipe (8) respectively, condenser pipe (6) initial end is connected with compressor (5), evaporating pipe (7) end is connected with compressor (5).

2. The defrosting improvement structure of an evaporator under a low temperature environment according to claim 1, wherein the condensation pipe (6) is in an S-shaped winding and coiling shape.

3. The defrosting improvement structure of an evaporator under a low temperature environment according to claim 1 or 2, characterized in that the evaporation tube (7) is in an S-shaped winding and coiling shape.

4. The defrosting improvement structure of an evaporator in a low temperature environment according to claim 1 or 2, wherein the first capillary tube (2) is longer than the second capillary tube (4).

5. The defrosting improvement structure of an evaporator in a low temperature environment according to claim 3 wherein the first capillary (2) is longer than the second capillary (4).