CN212426487U

CN212426487U - Mould-proof heat pump clothes dryer

Info

Publication number: CN212426487U
Application number: CN202020030090.XU
Authority: CN
Inventors: 赵永峰; 薛炎
Original assignee: Jiangsu Keling Precision Technology Co ltd
Current assignee: Jiangsu Keling Precision Technology Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2021-01-29
Anticipated expiration: 2030-01-08

Abstract

The utility model relates to the technical field of clothes dryers, in particular to a mildew-proof heat pump clothes dryer, which comprises a drying system and a dehumidifying system which are connected through a circulating pipeline, wherein the dehumidifying system comprises a compressor and a condenser; the air suction port of the compressor is connected with one end of an evaporator, the other end of the evaporator is connected with one end of a condenser through a pipeline, and the other end of the condenser is connected with the exhaust port of the compressor; an expansion valve is arranged on the pipeline; and a mildew-proof device for drying moisture on the surface of the evaporator fin is arranged beside the evaporator. After the structure of the utility model is adopted, the utility model discloses increased mould proof design on current dryer, dried the moisture on evaporimeter fin surface, increased simultaneously and removed mould's ultraviolet lamp, can exterminate mould. The drying mode of the evaporator comprises means such as electric heating, reverse operation of a heat pump, hot gas bypass and the like.

Description

Mould-proof heat pump clothes dryer

Technical Field

The utility model relates to a dryer technical field, especially a mould proof heat pump clothes dryer.

Background

The heat pump clothes dryer comprises a compressor, a condenser, an evaporator and an expansion valve, wherein when the heat pump clothes dryer runs, the surface temperature of fins of the evaporator is low, the temperature of the fins of the evaporator can be reduced to be lower than the dew point temperature of air, water in the air can be analyzed, the air with the water removed is circulated to the condenser, is heated by the condenser to become dry hot air, enters a clothes cabin and contacts with wet clothes to take away the water on the clothes, becomes wet air, is circulated to the evaporator and analyzes the water; the circulation achieves the aim of drying clothes, and the heat pump clothes dryer has the advantage of energy conservation.

However, as shown in fig. 1, when the conventional heat pump clothes dryer is operated, moisture in the air is condensed in the evaporator, thereby achieving a drying effect. When the work is finished, the temperature of the evaporator is low, and condensed water still exists, so that mildew can grow, and the sanitation problem is caused.

Chinese invention patent CN 108330664A discloses a method for cleaning an evaporator of a clothes dryer, a cleaning device and the clothes dryer, after drying operation, a first spraying device is used for spraying mist to the evaporator, the mist is mixed with wet hot air formed after drying to reduce the air temperature and separate water drops on the surface of the evaporator, the water drops flowing along the surface of the evaporator are used for taking away thread scraps attached on the evaporator, and the water source required by the mist spraying is tap water.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a heat pump clothes dryer that can effectively mould proof.

In order to solve the technical problem, the utility model discloses a mildewproof heat pump clothes dryer, which comprises a drying system and a dehumidifying system which are connected through a circulating pipeline, wherein the dehumidifying system comprises a compressor and a condenser;

the air suction port of the compressor is connected with one end of an evaporator, the other end of the evaporator is connected with one end of a condenser through a pipeline, and the other end of the condenser is connected with the exhaust port of the compressor; an expansion valve is arranged on the pipeline;

and a mildew-proof device for drying moisture on the surface of the evaporator fin is arranged beside the evaporator.

Preferably, the drying system comprises a drying cabin, the drying cabin is provided with an air inlet and an air outlet, the air inlet and the air outlet are connected through a circulating pipeline, and the evaporator and the condenser are arranged in the circulating pipeline.

Preferably, a filter is arranged in the circulating pipeline between the air outlet and the evaporator.

Preferably, a circulating fan is arranged in a circulating pipeline between the filter and the evaporator, an air inlet is formed in the circulating pipeline between the filter and the air outlet, and a water outlet is formed in the circulating pipeline between the filter and the evaporator.

Preferably, the mildew-proof device is an electric heater.

Preferably, the mildew-proof device is a hot gas bypass valve, one end of the hot gas bypass valve is connected to a pipeline between the evaporator and the expansion valve, and the other end of the hot gas bypass valve is connected with an exhaust port of the compressor.

Preferably, the mildew-proof device is a four-way reversing valve, and four interfaces of the four-way reversing valve are respectively connected with an air suction port of the compressor, an air exhaust port of the compressor, the evaporator and the condenser.

Preferably, the mildew proof device is an ultraviolet lamp which can irradiate the evaporator coil.

After the structure of the utility model is adopted, the utility model discloses increased mould proof design on current dryer, dried the moisture on evaporimeter fin surface, increased simultaneously and removed mould's ultraviolet lamp, can exterminate mould. The drying mode of the evaporator comprises means such as electric heating, reverse operation of a heat pump, hot gas bypass and the like.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic diagram of a prior art heat pump clothes dryer;

FIG. 2 is a schematic diagram of electrical heating for mold removal;

FIG. 3 is a schematic diagram of a drying evaporator employing a hot gas bypass;

FIG. 4 is a schematic diagram of a drying evaporator using four-way reversing valve for reversing;

fig. 5 is a schematic diagram of a clothes drying process by adopting a four-way reversing valve.

In the figure: the air conditioner comprises a compressor 1, a condenser 2, an expansion valve 3, an evaporator 4, an expansion valve 5, a circulating fan 6, a filter 7, an air outlet 8, clothes 9, an air inlet 10, a water outlet 11, an air inlet 12, a four-way reversing valve 13, an electric heater 14, a hot air bypass valve 15, an air inlet 1a and an air outlet 1 b.

Detailed Description

As shown in fig. 2, the mildewproof heat pump clothes dryer of the present invention comprises a drying system and a dehumidifying system connected by a circulation pipeline, wherein the dehumidifying system comprises a compressor 1 and a condenser 2; the air suction port 1a of the compressor 1 is connected with one end of an evaporator 4, the other end of the evaporator 4 is connected with one end of a condenser 2 through a pipeline, and the other end of the condenser 2 is connected with an air exhaust port 1b of the compressor 1; an expansion valve 3 is arranged on the pipeline; and a mildew-proof device for drying the moisture on the surface of the fins of the evaporator 4 is arranged beside the evaporator 4.

The drying system comprises a drying cabin, wherein the drying cabin is provided with an air inlet 12 and an air outlet 8, the air inlet 12 and the air outlet 8 are connected through a circulating pipeline, and the evaporator 4 and the condenser 2 are arranged in the circulating pipeline. A filter 7 is arranged in the circulating pipeline between the air outlet 8 and the evaporator 4, a circulating fan 6 is arranged in the circulating pipeline between the filter 7 and the evaporator 4, an air inlet 10 is formed in the circulating pipeline between the filter 7 and the air outlet 8, and a water outlet 11 is formed in the circulating pipeline between the filter 7 and the evaporator 4.

Wet clothing 9 is placed in the drying chamber, dry air enters from the air inlet 12, takes away the steam of wet clothing, flows out through the gas outlet 8, through the filtration of filter 7, filters impurity, filament, and circulating fan 6 circulates the humid air to the dehumidification space, at first reaches evaporimeter 4, is cooled to below the dew point earlier, condenses out steam, continues to circulate forward, after reaching condenser 2, is heated, has improved and has taken wet ability, has returned to air inlet 12, so accomplishes a dehumidification circulation.

In order to dry the moisture on the surface of the fins of the evaporator 4, a mildew-proof device is arranged beside the evaporator 4, so that the clothes are effectively prevented from mildewing. After the machine set finishes the clothes drying process, the machine set automatically opens the mildew-proof device.

The first implementation mode comprises the following steps:

as shown in fig. 2, in the present embodiment, the mildew preventive device employs an electric heater 14, and when the mildew preventive operation is performed, the operation of the heat pump is stopped, the circulation fan 6 is turned on, and the electric heater 14 is turned on, so as to raise the temperature of the tank to 45 to 55 ℃, preferably 50 ℃, and maintain the temperature for T time, preferably 2 minutes.

The second embodiment:

as shown in fig. 3, the mold preventive device is a hot gas bypass valve 15, and one end of the hot gas bypass valve 15 is connected to a pipe between the evaporator 4 and the expansion valve 3, and the other end is connected to the exhaust port 1b of the compressor 1. When the mildew-proof operation is carried out, the circulating fan 6 stops running or is about 10% of the normal air quantity, the hot air bypass valve 15 is opened, the temperature of the coil pipe of the evaporator 4 is maintained at 30 ℃, and the temperature is maintained for 2 minutes.

The third embodiment is as follows:

as shown in fig. 4 and 5, the mildew-proof device is a four-way reversing valve 13, the four-way reversing valve 13 has four interfaces D \ S \ C \ E, the interface D is connected to an exhaust port 1b of the compressor 1, the interface S is connected to an air suction port 1a of the compressor 1, the interface E is connected to the evaporator 4, and the interface C is connected to the condenser 2. When the clothes drying step is operated, the circulating fan 6 is operated, the four-way reversing valve 13 is switched into a clothes drying mode, the interface C of the condenser 2 is communicated with the interface D of the compressor 1, the compressor 1 exhausts air to the condenser 2, and the refrigerant at the outlet of the evaporator 4 returns to the compressor 1.

The fourth embodiment:

the mildew-proof device can also adopt an ultraviolet lamp irradiating an evaporator coil, when the mildew-proof step is operated, the heat pump clothes dryer stops operating, the ultraviolet lamp is turned on, the circulating fan 6 runs at a low speed, the air quantity is maintained at 10%, and the operation lasts for 3 minutes.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.

Claims

1. A mould proof heat pump dryer which characterized in that: the system comprises a drying system and a dehumidifying system which are connected through a circulating pipeline, wherein the dehumidifying system comprises a compressor (1) and a condenser (2);

the air suction port (1a) of the compressor (1) is connected with one end of an evaporator (4), the other end of the evaporator (4) is connected with one end of a condenser (2) through a pipeline, and the other end of the condenser (2) is connected with an exhaust port (1 b) of the compressor (1); an expansion valve (3) is arranged on the pipeline;

and a mildew-proof device for drying the moisture on the surface of the fins of the evaporator (4) is arranged beside the evaporator (4).

2. The mold-proof heat pump clothes dryer of claim 1, wherein: the drying system comprises a drying cabin, wherein the drying cabin is provided with an air inlet (12) and an air outlet (8), the air inlet (12) and the air outlet (8) are connected through a circulating pipeline, and the evaporator (4) and the condenser (2) are arranged in the circulating pipeline.

3. The heat pump clothes dryer of claim 2, wherein: and a filter (7) is arranged in the circulating pipeline between the air outlet (8) and the evaporator (4).

4. The heat pump clothes dryer of claim 3, wherein: a circulating fan (6) is arranged in a circulating pipeline between the filter (7) and the evaporator (4), an air inlet (10) is formed in the circulating pipeline between the filter (7) and the air outlet (8), and a water outlet (11) is formed in the circulating pipeline between the filter (7) and the evaporator (4).

5. The mold-proof heat pump clothes dryer of claim 4, wherein: the mould proof device is an electric heater (14).

6. The mold-proof heat pump clothes dryer of claim 4, wherein: the mould proof device is a hot gas bypass valve (15), one end of the hot gas bypass valve (15) is connected to a pipeline between the evaporator (4) and the expansion valve (3), and the other end of the hot gas bypass valve is connected with an exhaust port (1 b) of the compressor (1).

7. The mold-proof heat pump clothes dryer of claim 4, wherein: the mould proof device is a four-way reversing valve (13), and four interfaces of the four-way reversing valve (13) are respectively connected with an air suction port (1a) of the compressor (1), an air exhaust port (1 b) of the compressor (1), the evaporator (4) and the condenser (2).

8. The mold-proof heat pump clothes dryer of claim 4, wherein: the mildew proof device is an ultraviolet lamp which can irradiate the evaporator coil.