CN211372834U

CN211372834U - Energy-saving defrosting system of air source heat pump water heater

Info

Publication number: CN211372834U
Application number: CN201921132706.8U
Authority: CN
Inventors: 桂海燕
Original assignee: Guangdong Juteng Environmental Protection Equipment Co ltd
Current assignee: Guangdong Juteng Environmental Protection Equipment Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-08-28
Anticipated expiration: 2029-07-18

Abstract

The utility model relates to a heat pump water heater, in particular to an energy-saving defrosting system of an air source heat pump water heater, which comprises a box body, a condenser, an evaporator, a compressor, a filter and a liquid storage tank, wherein the liquid storage tank, the filter, the evaporator, the compressor and the condenser are sequentially arranged in the box body along the direction of cold water entering, and the condenser and the evaporator are both in a cylindrical shape; according to the evaporimeter need evaporate the heat absorption and the condenser need keep microthermal characteristics when the work operation when long-term work operation, be equipped with condenser and the evaporimeter of integration, the evaporimeter nestification is in the inside of condenser, be equipped with the condenser pipe in the evaporimeter, equipment is when the operation, evaporimeter evaporation heat absorption, its surface temperature is at the bottom, and in the condenser pipe on the hot-air transmission to the condenser that the compression jar was handled, can form good condensation effect, can prevent simultaneously that the evaporimeter temperature from crossing low and frosting, consequently guarantee the normal operating of equipment.

Description

Energy-saving defrosting system of air source heat pump water heater

Technical Field

The utility model relates to a heat pump water heater, especially an energy-conserving defrosting system of air source heat pump water heater.

Background

The air energy water heater is also called as an air source heat pump water heater, dry saturated steam is absorbed from an evaporator by a compressor, a refrigerant is compressed into high-temperature high-pressure gas by power transmission and work, and the high-temperature high-pressure gas enters a condenser to exchange heat with water, so that the temperature rises continuously. Then the high-pressure low-temperature liquid is throttled and depressurized by a throttling device, the high-pressure low-temperature liquid absorbs the heat in the surrounding air in a generator under the action of a fan, so that the heat is evaporated into low-pressure gas, the low-pressure gas is sucked by a compressor and compressed again, and the low-pressure gas is repeatedly circulated to prepare domestic hot water.

The prior art has the following defects:

1. when the evaporator runs for a long time, the temperature is very low, the surface is easy to frost, and the normal use of the evaporator is influenced particularly in cold seasons and regions;

2. generally, a special defrosting device is arranged on the evaporator, some devices are provided with heating wires on the surface for defrosting, and some devices are provided with defrosting fans for defrosting and all need to consume redundant electric energy.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for an energy-saving defrosting system of an air source heat pump water heater.

The utility model provides an energy-conserving defrosting system of air source heat pump water heater, includes box, condenser, evaporimeter, compressor, filter and liquid storage pot, the inside of box is equipped with in proper order along the direction that cold water got into liquid storage pot, filter, evaporimeter, compressor and the condenser, the condenser with the evaporimeter is the tube-shape, the condenser nestification is in the outer wall of evaporimeter, the evaporimeter with form the intermediate layer between the condenser, be equipped with the condenser pipe in the intermediate layer, the condenser pipe runs through the condenser, and with condenser fixed connection.

Preferably, the wall thickness of the condenser is eight millimeters, the outer wall of the condenser is provided with a heat preservation layer, and the heat preservation layer is fixedly connected with the condenser.

Preferably, the heat-insulating layer comprises a foaming sponge layer, a heat-insulating cotton layer and a felt layer from inside to outside, and adhesive glue is coated among the foaming sponge layer, the heat-insulating cotton layer and the felt layer.

Preferably, the number of the condensation pipes is four, the four condensation pipes are spirally distributed on the outer wall of the evaporator, and the wall thickness of each condensation pipe is three millimeters.

Preferably, the box body comprises a top plate, a grid plate, a bottom plate, side plates and support columns, four support columns are fixed at four corners of the upper end face of the bottom plate, the grid plate and the side plates are fixed on the outer walls of the support columns respectively, and the top plate is fixed at the top ends of the support columns.

Preferably, the number of the grid plates is four, and two of the grid plates are hinged to the edge of the bottom plate.

Preferably, the bottom of the bottom plate is provided with a fixed foot pad.

The energy-saving defrosting system of the air source heat pump water heater has the following advantages:

1. according to the characteristics that the evaporator needs to absorb heat through evaporation when working for a long time and the condenser needs to keep low temperature when working, the integrated condenser and evaporator are arranged, the evaporator is nested in the condenser, a condensing pipe is arranged in the evaporator, when the equipment is in operation, the evaporator absorbs heat through evaporation, the surface temperature of the evaporator is low, and hot air processed by a compression tank is transmitted to the condensing pipe on the condenser, so that a good condensation effect can be formed, and meanwhile, the phenomenon that the evaporator frosts due to too low temperature can be prevented, so that the normal operation of the equipment is ensured;

2. because the condenser and the evaporator are integrated, external equipment is not needed to defrost the evaporator, so that the energy loss of the equipment is reduced to a certain extent, the equipment is highly integrated, the size of the equipment can be reduced, the storage, the transportation and the installation of the equipment are facilitated, and the integrated evaporator has a good market prospect.

Drawings

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

FIG. 2 is a schematic view of the condenser of the present invention;

fig. 3 is a schematic block diagram of the present invention;

in the figure: 1. a box body; 11. a top plate; 12. a grid plate; 13. a base plate; 14. a side plate; 15. a support pillar; 2. a condenser; 201. an interlayer; 202. a heat-insulating layer; 21. a condenser tube; 3. an evaporator; 4. a compressor; 5. a filter; 6. a liquid storage tank.

Detailed Description

In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the following description, with reference to the accompanying drawings and embodiments, will explain the energy saving defrosting system of the air source heat pump water heater in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Please refer to fig. 1-3, the embodiment of the present invention provides an energy saving defrosting system of an air source heat pump water heater, including a box 1, a condenser 2, an evaporator 3, a compressor 4, a filter 5 and a liquid storage tank 6, wherein the liquid storage tank 6, the filter 5, the evaporator 3, the compressor 4 and the condenser 2 are sequentially arranged in the box 1 along the direction of cold water entering, the condenser 2 and the evaporator 3 are cylindrical, the condenser 2 is embedded in the outer wall of the evaporator 3, an interlayer 201 is formed between the evaporator 3 and the condenser 2, a condensation pipe 21 is arranged in the interlayer 201, and the condensation pipe 21 penetrates through the condenser 2 and is fixedly connected with the condenser 2.

In the embodiment, a liquid storage tank 6, a filter 5, an evaporator 3, a compressor 4 and a condenser 2 are sequentially arranged in the box body 1 along the direction of cold water entering, the cold water firstly enters the liquid storage tank 6 through a conveying pipe, then enters the evaporator 3 through the filtering of the filter 5, the compressor 4 absorbs dry saturated steam from the evaporator 3, a refrigerant is compressed into high-temperature high-pressure gas through the work of power transmission, the high-temperature high-pressure gas enters the condenser 2 to exchange heat with water, the temperature rises continuously, then the high-pressure low-temperature liquid is throttled and reduced in pressure through a throttling device, the heat in the surrounding air is absorbed in the evaporator 3 through the action of a fan, so that the low-pressure gas is evaporated and is sucked by the compressor 4 to be compressed again, the circulation is repeated, the condenser 2 and the evaporator 3 are both cylindrical, the condenser 2 is nested on the outer wall of the evaporator 3, and an interlayer 201, be equipped with condenser pipe 21 in the intermediate layer 201, condenser pipe 21 runs through condenser 2 to with condenser 2 fixed connection, equipment is when moving, and evaporimeter 3 evaporates the heat absorption, at the bottom of its surface temperature, and the hot-air that handles through compressor 4 transmits to condenser pipe 21 on condenser 2, can form good condensation effect, can prevent simultaneously that evaporimeter 3 temperature from crossing excessively and frosting, consequently guarantees the normal operating of equipment.

Specifically, the wall thickness of the condenser 2 is eight millimeters, the outer wall of the condenser 2 is provided with an insulating layer 202, and the insulating layer 202 is fixedly connected with the condenser 2; the heat preservation layer 202 can preserve heat of the outside of the condenser 2, and prevents heat exchange between condensed water and the outside.

Specifically, the heat insulation layer 202 comprises a foaming sponge layer, a heat insulation cotton layer and a felt layer from inside to outside, and viscose is coated among the foaming sponge layer, the heat insulation cotton layer and the felt layer; the foaming sponge layer, the heat preservation cotton layer and the felt layer can perform good heat preservation effect, and are fixed by glue.

Specifically, the number of the condensation pipes 21 is four, the four condensation pipes 21 are spirally distributed on the outer wall of the evaporator 3, and the wall thickness of the condensation pipes 21 is three millimeters; the condensing speed can be increased through the four condensing pipes 21, the working efficiency of the whole equipment is improved, and the condensing pipes 21 are thin in wall thickness and easy to exchange heat.

Specifically, the box body 1 comprises a top plate 11, grid plates 12, a bottom plate 13, side plates 14 and support columns 15, four corners of the upper end face of the bottom plate 13 are fixedly provided with the four support columns 15, the grid plates 12 and the side plates 14 are respectively fixed on the outer walls of the support columns 15, and the top plate 11 is fixed at the top ends of the support columns 15; the top plate 11, the grid plate 12, the bottom plate 13, the side plates 14 and the supporting columns 15 form a complete and reliable shell with a protection function.

Specifically, the number of grid plates 12 is four, two of which are hinged to the edge of the bottom plate 13; the grid plates 12 at the edges of the two bottom plates 13 are conveniently opened, and the internal devices are installed and maintained.

Specifically, the bottom of the bottom plate 13 is provided with a fixed pad; the stability of equipment can be kept through the fixed bolster of the bottom of bottom plate 13 to can play the absorbing effect through the rubber bolster of bottom, reduce mechanical shock.

The utility model discloses a theory of use, after cold water got into the inside of box 1, cold water earlier entered into liquid storage pot 6 through the conveyer pipe, then entered into in evaporimeter 3 through the filtration of filter 5, compressor 4 absorbs into dry saturated steam from evaporimeter 3, compress into high temperature high pressure gas with the refrigerant through the power transmission work, high temperature high pressure gas gets into condenser 2 and exchanges heat and the temperature constantly rises, then high pressure low temperature liquid is through throttling arrangement decompression back, through the effect of fan in evaporimeter 3, absorb the heat in the air around thereby evaporate into low pressure gas, again by compressor 4 suction recompression, so recirculation, condenser 2 and evaporimeter 3 are the tube-shape, equipment is when moving, evaporimeter 3 evaporates and absorbs heat, its surface temperature is at the bottom, and the hot-air that passes through compressor 4 and handles is transmitted to condenser pipe 21 on condenser 2, a good condensation effect can be formed and frosting due to too low temperature of the evaporator 3 can be prevented, thereby ensuring normal operation of the apparatus.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides an energy-conserving white system that changes of air source heat pump water heater, includes box (1), condenser (2), evaporimeter (3), compressor (4), filter (5) and liquid storage pot (6), its characterized in that: the inside of box (1) is equipped with in proper order along the direction that cold water got into liquid storage pot (6), filter (5), evaporimeter (3), compressor (4) and condenser (2), condenser (2) with evaporimeter (3) are the tube-shape, condenser (2) nestification is in the outer wall of evaporimeter (3), evaporimeter (3) with form intermediate layer (201) between condenser (2), be equipped with condenser pipe (21) in intermediate layer (201), condenser pipe (21) run through condenser (2), and with condenser (2) fixed connection.

2. The energy-saving defrosting system of the air source heat pump water heater as claimed in claim 1, wherein: the wall thickness of condenser (2) is eight millimeters, the outer wall of condenser (2) is equipped with heat preservation (202), heat preservation (202) with condenser (2) fixed connection.

3. The energy-saving defrosting system of the air source heat pump water heater as claimed in claim 2, wherein: the heat preservation layer (202) comprises a foaming sponge layer, a heat preservation cotton layer and a felt layer from inside to outside, and adhesive glue is coated among the foaming sponge layer, the heat preservation cotton layer and the felt layer.

4. The energy-saving defrosting system of the air source heat pump water heater as claimed in claim 1, wherein: the number of the condensation pipes (21) is four, the condensation pipes (21) are spirally distributed on the outer wall of the evaporator (3), and the wall thickness of the condensation pipes (21) is three millimeters.

5. The energy-saving defrosting system of the air source heat pump water heater as claimed in claim 1, wherein: the box body (1) comprises a top plate (11), grid plates (12), a bottom plate (13), side plates (14) and supporting columns (15), four supporting columns (15) are fixed at four corners of the upper end face of the bottom plate (13), the grid plates (12) and the side plates (14) are fixed to the outer walls of the supporting columns (15) respectively, and the top plate (11) is fixed to the top ends of the supporting columns (15).

6. The energy-saving defrosting system of the air source heat pump water heater as claimed in claim 5, wherein: the number of the grid plates (12) is four, and two grid plates are hinged to the edge of the bottom plate (13).

7. The energy-saving defrosting system of the air source heat pump water heater as claimed in claim 5, wherein: the bottom of the bottom plate (13) is provided with a fixed foot pad.