Clothes dryer

Abstract

The clothes dryer comprises a cabinet body, a side air channel, dehumidification equipment and a heat pump device, the cabinet body comprises a clothes drying cavity and an equipment containing cavity which is arranged on one side of the clothes drying cavity and communicated with the clothes drying cavity, the clothes drying cavity comprises a top plate, a bottom plate and side plates, a motor is arranged above the top plate, a rotating disc is arranged below the top plate, and the side plates are arranged on the bottom plate. The rotating disc is fixedly connected with an output shaft of the motor, the equipment containing cavity comprises an evaporation chamber absorbing heat from the outside and a condensation chamber used for releasing heat, the evaporation chamber and the condensation chamber are not communicated, the clothes drying cavity and the condensation chamber are communicated through the side air channel, and the dehumidification equipment is arranged in the equipment containing cavity and located below the condensation chamber. The dehumidification equipment comprises a heat exchanger and an auxiliary condenser, and the heat pump device comprises a condenser arranged in a condensation chamber, an evaporator and a compressor which are arranged in an evaporation chamber, and an outer circulation fan arranged on the side wall of the evaporation chamber. The clothes dryer has the advantages of being high in clothes drying efficiency, good in moisture removal effect, convenient to operate, low in failure rate and wide in application range.

Description

Technical Field

[0001] The utility model relates to the technical field of drying equipment, in particular to a clothes dryer. Background Art

[0002] In the prior art, people usually dry washed clothes in the sun or naturally, which takes a long time to dry, and the clothes are covered with dust when hung outside, especially in rainy or cold weather. For high-rise residents in cities and towns, the drying space is limited and the sunlight is insufficient, so more and more people choose to use clothes drying equipment to dry clothes.

[0003] A clothes dryer is a cleaning household appliance that uses electric heating to evaporate the moisture in washed clothes instantly. A warm air clothes dryer uses high-temperature airflow to pass over the surface of the clothes to be dried, heating the clothes and taking away the evaporated moisture, so that the clothes can be dried quickly. Existing clothes dryers often have problems such as high internal humidity, low drying efficiency, incomplete drying, and easy breeding of bacteria when drying clothes.

[0004] Therefore, it is necessary to provide a clothes dryer to overcome the above-mentioned defects. Utility Model Content

[0005] The purpose of the utility model is to provide a clothes dryer.

[0006] According to one aspect of the utility model, there is provided a clothes dryer, comprising:

[0007] A cabinet, wherein a cabinet door is provided on the front side of the cabinet, the cabinet comprises a clothes drying chamber and an equipment accommodating chamber provided on one side of the clothes drying chamber and communicating with the clothes drying chamber, a mesh plate is provided horizontally in the clothes drying chamber, the clothes drying chamber comprises a top plate, a bottom plate and a side plate, a motor is provided above the top plate, a rotating disk is provided below the top plate, the rotating disk is fixedly connected to the output shaft of the motor, the equipment accommodating chamber comprises an evaporation chamber for absorbing heat from the outside and a condensation chamber for releasing heat, and the evaporation chamber and the condensation chamber are not communicated with each other;

[0008] A side air duct, the side air duct communicating with the clothes drying chamber and the condensation chamber;

[0009] A dehumidification device, the dehumidification device is arranged in the device accommodating chamber and is located below the condensation chamber, the dehumidification device includes a heat exchanger and an auxiliary condenser;

[0010] A heat pump device comprises a condenser arranged in a condensing chamber, an evaporator and a compressor arranged in an evaporating chamber, and an external circulation fan arranged on a side wall of the evaporating chamber.

[0011] Preferably, a partition is provided between the side air duct and the drying chamber, an air inlet is provided at the top of the partition, an air return port is provided at the bottom of the partition, a first ultraviolet lamp is provided in the middle of the partition, a second ultraviolet lamp is provided in the middle of the bottom plate of the drying chamber, and a third ultraviolet lamp is provided on the side plate of the drying chamber, which is arranged opposite to the first ultraviolet lamp.

[0012] Preferably, the top plate is provided with an air outlet connected to the air inlet, and the air outlet is provided with an air guide plate which is inclined from the edge of the top plate to the side where the side air duct is located and extends upward.

[0013] Preferably, the heat exchanger is placed between the auxiliary condenser and the partition. The heat exchanger is arranged close to the return air inlet to pre-cool the high-temperature hot and humid airflow flowing in from the return air inlet. The auxiliary condenser is arranged adjacent to the heat exchanger. When the hot and humid gas flowing out of the heat exchanger passes through the auxiliary condenser, the gaseous water vapor therein is liquefied into liquid water and discharged, thereby completing the dehumidification process.

[0014] Preferably, the heat pump device further comprises an internal circulation fan and an electric heater arranged in the condensing chamber, wherein the electric heater is placed between the condenser and the internal circulation fan for auxiliary heating, and the internal circulation fan blows the circulating air toward the side air duct.

[0015] Preferably, a gas-liquid separator and a liquid reservoir are also provided in the evaporation chamber. The gas-liquid separator is arranged adjacent to the compressor to increase the superheat of the compressor return air and ensure that the liquid refrigerant is completely converted into high-temperature and high-pressure gaseous refrigerant. The liquid reservoir is arranged adjacent to the gas-liquid separator to store liquid refrigerant, providing or storing liquid refrigerant according to different working modes.

[0016] Preferably, it also includes a drying control system, which includes a dehumidification expansion valve, a dehumidification solenoid valve, a heating expansion valve, a heating solenoid valve, a first one-way valve, a second one-way valve, a four-way reversing valve and pipes connecting these components. The drying control system can control the dryer to complete the operations of heating mode, dehumidification mode, cooling mode and defrost mode respectively.

[0017] Preferably, a hook for hanging clothes is fixedly connected to the lower end of the rotating disk.

[0018] Preferably, universal wheels for walking are respectively provided at the four corners of the bottom of the cabinet.

[0019] Preferably, a recessed handle is provided on one side of the cabinet door, and a control panel is provided in the middle of the cabinet door, and the control panel is electrically connected to the motor, the fan, the ultraviolet disinfection lamp and the heat pump device respectively.

[0020] Compared with the prior art, the clothes dryer provided by the utility model has the following beneficial effects:

[0021] Due to the adoption of the above technical scheme, the utility model has the advantages of high drying efficiency, good dehumidification effect, convenient operation, low failure rate and wide applicability. The dehumidification equipment can quickly and efficiently reduce the humidity in the space. The motor drives the rotating disk to rotate, so that the clothes can rotate during the drying process, which is conducive to fast, comprehensive and uniform drying of the clothes, and can drive the circulation of hot air. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0023] Figure 1 This is a schematic diagram of the internal structure of the clothes dryer of the utility model;

[0024] Figure 2 This is a front view of the clothes dryer of the utility model;

[0025] Figure 3 This is a front view of the screen plate of the utility model;

[0026] Figure 4 This is a schematic diagram of the working principle of the clothes drying control system of the utility model.

[0027] Among them, 100. Cabinet, 1. Drying chamber, 11. Top plate, 12. Bottom plate, 13. Side plate, 14. Partition, 15. Air inlet, 16. Return air outlet, 17. Air guide plate, 2. Equipment accommodating chamber, 21. Evaporation chamber, 22. Condensation chamber, 3. Side air duct, 4. Dehumidification equipment, 41. Heat exchanger, 42. Auxiliary condenser, 5. Heat pump device, 51. Condenser, 52. Internal circulation fan, 53. Electric heater, 54. Evaporator, 55. Compressor, 56. External circulation Fan, 57. Gas-liquid separator, 58. Liquid storage device, 61. Dehumidification expansion valve, 62. Dehumidification solenoid valve, 63. Heating expansion valve, 64. Heating solenoid valve, 65. First one-way valve, 66. Second one-way valve, 67. Four-way reversing valve, 71. Screen, 72. Motor, 73. Rotating disk, 74. Hook, 75. Universal wheel, 76. First ultraviolet lamp, 77. Second ultraviolet lamp, 78. Third ultraviolet lamp, 79. Control panel, 8. Cabinet door, 81. Recessed handle. DETAILED DESCRIPTION

[0028] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0029] In order to simplify the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically drawn or marked. In this article, "one" not only means "only one", but also means "more than one".

[0030] It should be further understood that the term “and / or” used in the specification and appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0031] In this article, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0032] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0033] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0034] See also Figure 1 , Figure 2 and Figure 3 This embodiment discloses a clothes dryer, including a cabinet 100, a side air duct 3, a dehumidification device 4 and a heat pump device 5. A cabinet door 8 is provided on the front side of the cabinet 100, and the cabinet 100 includes a clothes drying chamber 1 and an equipment accommodating chamber 2 provided on one side of the clothes drying chamber 1 and communicating with the clothes drying chamber 1. A mesh plate 71 for placing socks is detachably provided horizontally in the middle of the clothes drying chamber 1. A hook 74 for hanging clothes is fixedly connected to the lower end of the rotating disk 73. Universal wheels 75 for movement are provided at the bottom of the cabinet 100.

[0035] The drying chamber 1 includes a top plate 11, a bottom plate 12 and a side plate 13. A motor 72 is provided above the top plate 11, and a rotating disk 73 is provided below the top plate 11, and the rotating disk 73 is fixedly connected to the output shaft of the motor 72. The equipment accommodating chamber 2 includes an evaporation chamber 21 for absorbing heat from the outside and a condensation chamber 22 for releasing heat, and the evaporation chamber 21 and the condensation chamber 22 are not connected to each other. By providing a rotating disk 73 and a hook 74, the hook 74 hangs the clothes, and the motor 72 drives the rotating disk 73 to rotate, so that the clothes can rotate during the drying process, which is conducive to the rapid drying of the clothes, making the clothes more even during the drying process, and can drive the circulation of hot air.

[0036] The side air duct 3 is connected to the drying chamber 1 and the condensation chamber 22. A partition 14 is provided between the side air duct 3 and the drying chamber 1, an air inlet 15 is provided at the top of the partition 14, and an air return port 16 is provided at the bottom of the partition 14. A first ultraviolet lamp 76 is provided in the middle of the partition 14, and a second ultraviolet lamp 77 is provided in the middle of the bottom plate 12 of the drying chamber 1. A third ultraviolet lamp 78 is provided on the side plate 13 of the drying chamber 1, which is arranged opposite to the first ultraviolet lamp 76. The top plate 11 is provided with an air outlet connected to the air inlet 15, and an air guide plate 17 is provided at the air outlet, which is inclined from the edge of the top plate 11 to the side where the side air duct 3 is located and extends upward.

[0037] The heat pump device 5 includes a condenser 51 , an electric heater 53 , and an internal circulation fan 52 arranged in the condensation chamber 22 , and an evaporator 54 , a compressor 55 , a gas-liquid separator 57 , a liquid storage tank 58 , and an external circulation fan 56 arranged in the evaporation chamber 21 .

[0038] The low-temperature, low-pressure liquid refrigerant absorbs heat from the room-temperature air in the evaporator 54 and is converted into a low-temperature, low-pressure gaseous refrigerant. The compressor 55 converts the low-temperature, low-pressure liquid refrigerant into a high-temperature, high-pressure gaseous refrigerant. The external circulation fan 56 is placed outside the evaporator 54, and the external circulation fan 56 draws the outside room-temperature air into the evaporator 54. The gas-liquid separator 57 is arranged adjacent to the compressor 55 to increase the superheat of the return air of the compressor 55, and ensure that the liquid refrigerant is completely converted into a high-temperature, high-pressure gaseous refrigerant. The liquid storage tank 58 is arranged adjacent to the gas-liquid separator 57 to store liquid refrigerant, and provides or stores liquid refrigerant according to different working modes.

[0039] The high-temperature and high-pressure gaseous refrigerant is converted back into a high-temperature and high-pressure liquid refrigerant in the condenser 51, and the liquefaction process releases heat. The wind generated by the internal circulation fan 52 is mixed with the heat released by the condenser 51 to form hot wind that enters the side air duct 3 and then enters the clothes drying chamber 1 to perform the clothes drying operation. The electric heater 53 is placed between the condenser 51 and the internal circulation fan 52 for auxiliary heating.

[0040] The dehumidification device 4 is arranged in the equipment accommodating chamber 2 and is located below the condensation chamber 22. The dehumidification device 4 includes a heat exchanger 41 and an auxiliary condenser 42, which are used to dehumidify a part of the hot air that completes the drying cycle. The heat exchanger 41 is placed between the auxiliary condenser 42 and the partition 14. The heat exchanger 41 is arranged close to the return air port 16 to pre-cool the high-temperature, humid and hot air flow flowing in from the return air port 16, thereby reducing the temperature of the high-temperature, humid and hot air flow. The auxiliary condenser 42 is arranged adjacent to the heat exchanger 41. When the humid and hot gas flowing out of the heat exchanger 41 passes through the auxiliary condenser 42, the gaseous water vapor therein is liquefied into liquid water and discharged, thereby completing the dehumidification process. The dry gas after dehumidification flows back to the heat exchanger 41 to exchange heat with the high-temperature, humid and hot air flow entering the heat exchanger 41. The dry gas after dehumidification is heated up, and the high-temperature, humid and hot air flow is cooled down.

[0041] See also Figure 4 The clothes drying control system includes a dehumidification expansion valve 61, a dehumidification solenoid valve 62, a heating expansion valve 63, a heating solenoid valve 64, a first one-way valve 65, a second one-way valve 66, a four-way reversing valve 67, and pipes connecting these components. The clothes drying control system can control the clothes dryer to complete the operation of heating mode, dehumidification mode, cooling mode and defrosting mode respectively. A recessed handle 81 is provided on one side of the cabinet door 8, and a control panel 79 is provided in the middle of the cabinet door 8. The control panel 79 is electrically connected to the motor 72, the fan, the ultraviolet disinfection lamp, the heat pump device 5 and the dehumidification device 4 respectively.

[0042] It will be apparent to those skilled in the art that various modifications and variations can be made to the above exemplary embodiments of the present invention without departing from the spirit and scope of the present invention. Therefore, it is intended that the present invention covers modifications and variations of the present invention that fall within the scope of the appended claims and their equivalent technical solutions.

Claims

1. A clothes dryer, characterized in that: include: A cabinet, wherein a cabinet door is provided on the front side of the cabinet, the cabinet comprises a clothes drying chamber and an equipment accommodating chamber provided on one side of the clothes drying chamber and communicating with the clothes drying chamber, a mesh plate is provided horizontally in the clothes drying chamber, the clothes drying chamber comprises a top plate, a bottom plate and a side plate, a motor is provided above the top plate, a rotating disk is provided below the top plate, the rotating disk is fixedly connected to the output shaft of the motor, the equipment accommodating chamber comprises an evaporation chamber for absorbing heat from the outside and a condensation chamber for releasing heat, and the evaporation chamber and the condensation chamber are not communicated with each other; A side air duct, the side air duct communicating with the clothes drying chamber and the condensation chamber; A dehumidification device, the dehumidification device is arranged in the device accommodating chamber and is located below the condensation chamber, the dehumidification device includes a heat exchanger and an auxiliary condenser; A heat pump device comprises a condenser arranged in a condensing chamber, an evaporator and a compressor arranged in an evaporating chamber, and an external circulation fan arranged on a side wall of the evaporating chamber.

2. The clothes dryer according to claim 1, characterized in that: A partition is provided between the side air duct and the drying chamber, an air inlet is provided at the top of the partition, an air return port is provided at the bottom of the partition, a first ultraviolet lamp is provided in the middle of the partition, a second ultraviolet lamp is provided in the middle of the bottom plate of the drying chamber, and a third ultraviolet lamp arranged opposite to the first ultraviolet lamp is provided on the side plate of the drying chamber.

3. The clothes dryer according to claim 2, characterized in that: The top plate is provided with an air outlet communicated with the air inlet, and the air outlet is provided with an air guide plate which is inclined from the edge of the top plate to the side where the side air duct is located and extends upward.

4. The clothes dryer according to claim 3, characterized in that: The heat exchanger is placed between the auxiliary condenser and the partition. The heat exchanger is arranged close to the return air port to pre-cool the high-temperature hot and humid airflow flowing in from the return air port. The auxiliary condenser is arranged adjacent to the heat exchanger. When the hot and humid gas flowing out of the heat exchanger passes through the auxiliary condenser, the gaseous water vapor therein is liquefied into liquid water and discharged, thereby completing the dehumidification process.

5. The clothes dryer according to claim 4, characterized in that: The heat pump device also includes an internal circulation fan and an electric heater arranged in the condensing chamber. The electric heater is placed between the condenser and the internal circulation fan for auxiliary heating. The internal circulation fan blows the circulating air toward the side air duct.

6. The clothes dryer according to claim 5, characterized in that: A gas-liquid separator and a liquid storage device are also provided in the evaporation chamber. The gas-liquid separator is arranged adjacent to the compressor to increase the superheat of the compressor return air and ensure that the liquid refrigerant is completely converted into a high-temperature and high-pressure gaseous refrigerant. The liquid storage device is arranged adjacent to the gas-liquid separator to store the liquid refrigerant, and provides or stores the liquid refrigerant according to different working modes.

7. The clothes dryer according to claim 6, characterized in that: It also includes a clothes drying control system, which includes a dehumidification expansion valve, a dehumidification solenoid valve, a heating expansion valve, a heating solenoid valve, a first one-way valve, a second one-way valve, a four-way reversing valve and pipes connecting these components. The clothes drying control system can control the dryer to complete the operations of heating mode, dehumidification mode, cooling mode and defrosting mode respectively.

8. The clothes dryer according to claim 1, characterized in that: The lower end of the rotating disk is fixedly connected with a hook for hanging clothes.

9. The clothes dryer according to claim 1, characterized in that: Universal wheels for walking are respectively arranged at the four corners of the bottom of the cabinet.

10. The clothes dryer according to claim 2, characterized in that: A recessed handle is provided on one side of the cabinet door, and a control panel is provided in the middle of the cabinet door. The control panel is electrically connected to the motor, the fan, the ultraviolet disinfection lamp and the heat pump device respectively.

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