CN114875649A - Adjustable clothes drying system, control method and drying equipment - Google Patents

Abstract

The invention discloses an adjustable clothes drying system, which comprises a compressor, a condenser and an evaporator which are sequentially connected end to end, wherein a first reversing valve is arranged between the condenser and the evaporator, a first air outlet valve port of the first reversing valve is directly communicated with the compressor through a first passage, a second air outlet valve port of the first reversing valve is communicated with the compressor through a second passage, the evaporator is arranged on the second passage, and the first reversing valve can control a refrigerant in the adjustable clothes drying system to selectively flow from the first passage path and the second passage path; the invention also discloses a control method of the system and drying equipment applying the system and the method. The refrigerant circulation path in the compressor system is adjusted by controlling the reversing valve, the refrigerant does not flow through the evaporator in the initial state of the starting of the machine, the temperature in the system can be rapidly increased, the reversing valve acts after the temperature of the standby machine is increased to a certain degree, the main drying stage is started, and the whole operation time is shortened.

Description

Adjustable clothes drying system, control method and drying device

technical field

The present invention relates to the technical field of household equipment, in particular to an adjustable clothes drying system, a control method for regulating the adjustable clothes drying system, and an adjustable clothes drying device.

Background technique

With the development of science and technology, the popularity of dryers is also getting higher and higher. It can not only dry wet clothes in a short time, but also disinfect and sterilize clothes, especially in rainy weather, clothes are difficult to dry. Drying problem, and during the working process, the temperature can be maintained to about 70 degrees, plus additional disinfection and sterilization, so that the clothes coming out of the dryer will be cleaner than ordinary drying. Using the dryer also removes the remaining hair stains on the clothes, so that the clothes can be restored to their original soft texture. And the dryer part also comes with some wrinkle removal functions, which can make life more efficient and convenient.

The working principle of the drying method of the heat pump clothes dryer in the prior art is that the circulating air is heated by the condenser to generate dry hot air, the hot air is blown into the clothes dryer, and the dry hot air passes through the wet clothes to take away the moisture, It becomes warm and humid air. After entering the evaporator, the warm and humid air separates out moisture and becomes dry cold air. After the dry cold air enters the condenser, it is heated into dry hot air and enters again. The clothes dryer is circulated in this way to realize the drying of clothes.

The invention patent with the application number 201821058250.0 discloses a clothes drying system and a clothes treatment equipment. The clothes drying system includes a drying room, a drying passage, a fan, and a compressor, a condenser group, an expansion valve and an evaporator connected end to end in sequence . Wherein, the two ends of the drying passage are respectively connected with the drying chamber, and the fan, the condenser group and the evaporator are all arranged in the drying passage. Wherein, the condenser group includes a plurality of condensers, and one of the plurality of condensers can heat the air to dry the clothes individually; and a plurality of the plurality of condensers can heat the air to dry the clothes at the same time. Therefore, the clothes dryer with the clothes drying system of the present invention can selectively turn on one or more condensers according to the amount of clothes to be dried, which improves the utilization rate of energy.

The clothes drying system and clothes treatment device disclosed in the above application are based on controlling one or more condensers to optimize energy utilization. However, neither the prior art nor the technical solutions disclosed above solve the problem of condensation in the initial stage of the device. Therefore, the overall time required to dry clothes needs to be optimized.

In view of this, the present invention is proposed.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide an adjustable clothes drying system, a control method for regulating the adjustable clothes drying system, and an adjustable clothes drying device. The reversing valve is used to adjust the flow direction of the refrigerant in the compressor system. In the initial state of the machine, the refrigerant does not flow through the evaporator, which can make the temperature in the system rise rapidly. Refrigerant flows through the evaporator, which lowers the temperature and condenses moist air, reducing overall run time.

In order to solve the above-mentioned technical problems, the basic conception of the technical scheme adopted in the present invention is:

An adjustable clothes drying system includes a compressor, a condenser and an evaporator connected end to end in sequence, a first reversing valve is arranged between the condenser and the evaporator, and the first reversing valve includes a first reversing valve. An outlet valve port and a second outlet valve port.

The first air outlet valve port and the compressor are directly communicated through a first passage, the second air outlet valve port and the compressor are communicated through a second passage, the evaporator is arranged on the second passage, the The first reversing valve can control the refrigerant in the adjustable clothes drying system to flow through one of the first passage path and the second passage path.

Further, a second reversing valve is further provided between the evaporator and the compressor, and the first passage and the second passage are respectively connected between the first reversing valve and the second reversing valve.

The second reversing valve includes a first intake valve port and a second intake valve port, the outlet end of the first passage is connected to the first intake valve port, and the outlet end of the second passage is connected to the second intake valve port, By controlling the first reversing valve and the second reversing valve, the refrigerant can be directly returned to the compressor through the first passage, or returned to the compressor from the second passage through the evaporator.

Further, the compressor includes an air outlet, an air outlet pipe, an air return port and an air return pipe, the air outlet is connected to the first reversing valve through an air outlet pipe, the condenser is arranged on the air outlet pipe, and the return air pipe is The air port and the second reversing valve are connected by a return pipe, the refrigerant in the first passage returns to the compressor directly through the return pipe, and the refrigerant in the second passage passes through the evaporator and the return pipe. The air line goes back to the compressor.

Further, the gas outlet pipe also includes a drying pipe and a capillary pipe which are sequentially connected between the condenser and the first reversing valve.

Another object of the present invention is to provide a control method with the above-mentioned regulation-adjustable clothes drying system, comprising:

Control the system to start, and start to execute the preheating procedure: control the first reversing valve to conduct the first passage, close the second passage, and enter the rapid preheating stage.

When the set preheating temperature or the set preheating time is reached, the preheating process is ended, and the drying process is executed: control the first reversing valve to conduct the second passage, close the first passage, and enter the main drying process stage.

Further, the system is controlled to start, and the preheating procedure is started: the first reversing valve and the second reversing valve are controlled to jointly conduct the first passage and completely close the second passage, and enter the rapid preheating stage.

When the set preheating temperature or the set preheating time is reached, the preheating process is ended, and the drying process is executed: control the first reversing valve and the second reversing valve to jointly conduct the second passage and completely close it The first passage enters the main drying stage.

The third object of the present invention is to provide an adjustable clothes drying device, the device includes the above-mentioned middle adjustable clothes drying system and the above-mentioned control method to control the circulation path of the refrigerant.

Further, the adjustable clothes drying apparatus further includes a drying chamber disposed between the condenser and the evaporator.

Further, the adjustable clothes drying apparatus further includes a filter device disposed between the drying chamber and the evaporator.

Preferably, the filtering device includes a primary filtering device and a secondary filtering device, the primary filtering device includes a primary air inlet and a primary air outlet, and the secondary filtering device includes a secondary air inlet and a secondary air outlet The secondary air inlet is connected to the primary air outlet.

Further, the adjustable clothes drying equipment further includes a bottom device, a protective cover plate and a fan, the bottom device is located on the outer peripheral side of the drying chamber, and the evaporator, the condenser and the compressor are installed on the base unit.

The protective cover is set on the evaporator and the condenser; the fan is set between the condenser and the drying chamber, and pushes the gas heated by the condenser to enter the drying chamber according to the set circulation path. dry room.

Preferably, the adjustable clothes drying device is a clothes dryer or an all-in-one washer and dryer.

After adopting the above-mentioned technical scheme, the present invention has the following beneficial effects compared with the prior art:

1. The present invention provides an adjustable clothes drying system and equipment. By controlling the reversing valve, the flow direction of the refrigerant in the compressor system is adjusted. In the initial state of the machine, the refrigerant does not flow through the evaporator, so that the temperature in the system can be increased. Rapidly rise, when the temperature of the standby unit rises to a certain level, the reversing valve acts, the refrigerant flows through the evaporator, the temperature of the evaporator decreases, the humid air is condensed, and the overall running time is shortened.

2. By setting two reversing valves to form two refrigerant passages, the overall drying time is shortened and energy is saved; the equipment is equipped with a filter device, which can not only make the clothes more clean and tidy, but also keep the inside of the equipment clean, reducing the In the event of failure, the filter device can be cleaned regularly to maintain the filter function; the system is equipped with a bottom platform, which can not only fill the condenser and other devices, but also play a fixed role; the cover plate can not only play a protective role, but also play a role in sealing, The isolation effect enables the condenser and the evaporator to operate independently and normally; the fan can promote the rapid circulation of the refrigerant, which improves the drying efficiency of the clothes.

3. This laundry drying system is widely used and can be used in a clothes dryer or an all-in-one washer and dryer.

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

Description of drawings

The accompanying drawings, as a part of the present invention, are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings in the following description are only some embodiments, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort. In the attached image:

1 is a schematic diagram 1 of the work flow of an adjustable clothes drying system in an embodiment of the present invention;

Fig. 2 is a schematic diagram 2 of the work flow of the adjustable clothes drying system in the embodiment of the present invention;

3 is a schematic flow chart 1 of a control method for regulating an adjustable clothes drying system in an embodiment of the present invention;

4 is a schematic diagram 3 of the work flow of the adjustable clothes drying system in the embodiment of the present invention;

5 is a schematic diagram 4 of the work flow of the adjustable clothes drying system in the embodiment of the present invention;

6 is a second schematic flowchart of a control method for regulating and controlling an adjustable clothes drying system according to an embodiment of the present invention;

FIG. 7 is a structural diagram 1 of a base device in an embodiment of the present invention;

FIG. 8 is a second structural diagram of a base device in an embodiment of the present invention;

FIG. 9 is a schematic diagram 1 of the work flow of the adjustable clothes drying device in the embodiment of the present invention;

10 is a second schematic diagram of the work flow of the adjustable clothes drying device in the embodiment of the present invention;

Fig. 11 is a schematic diagram of the principle of each module in the adjustable clothes drying device in the embodiment of the present invention;

In the picture:

1. The first reversing valve; 2. The second reversing valve; 3. The first passage; 4. The second passage; 5. The air outlet pipe; 6. The air return pipe; , Protective cover; 10, Condenser; 11, Evaporator.

It should be noted that these drawings and written descriptions are not intended to limit the scope of the present invention in any way, but to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention , but are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or positional relationship Based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be It is construed as a limitation of the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, Or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The present invention will be further described in detail below in conjunction with the embodiments.

As shown in FIGS. 1 to 2 , an adjustable clothes drying system includes a compressor 7 , a condenser 10 and an evaporator 11 that are connected end to end in sequence, and a first A reversing valve 1, the first reversing valve 1 includes a first outlet valve port and a second outlet valve port; the first outlet valve port and the compressor 7 are directly communicated through the first passage 3, and the The second air outlet valve and the compressor 7 are communicated through the second passage 4, the evaporator 11 is arranged on the second passage 4, and the first reversing valve 1 can control the refrigerant in the adjustable clothes drying system Select one of the first passage 3 and the second passage 4 to flow.

As shown in FIG. 3 , the control method for regulating the adjustable clothes drying system includes S10: controlling the system to start, and starting to execute the preheating procedure: controlling the first reversing valve 1 to conduct the first passage 3, and closing the The second passage 4 enters the rapid preheating stage; S20: when the set preheating temperature or the set preheating time is reached, end the preheating procedure, and execute the drying procedure: control the first reversing valve 1 to lead Pass through the second passage 4, close the first passage 3, and enter the main drying stage.

Specifically, Fig. 1 shows that when there is only one reversing valve in the system, and it is placed between the condenser 10 and the evaporator 11, the first reversing valve 1 is regulated to the left, that is, the first outlet valve and the When the compressor 7 is directly connected, the first passage 3 is unblocked, and the system is preheated or heated; Fig. 2 shows that when there is only one reversing valve in the system, and it is placed between the condenser 10 and the evaporator 11, the first When the reversing valve 1 is regulated to the right, that is, when the second outlet valve is connected to the compressor 7 through the evaporator 11, the second passage 4 is unblocked, and the system enters the main drying stage. After the clothes are dried, the drying procedure ends. .

In the initial state of the machine, the reversing valve is adjusted so that the refrigerant does not flow through or does not completely flow through the evaporator 11, so that the temperature in the system can be raised rapidly. The refrigerant flows through the evaporator 11, the temperature of the evaporator 11 is lowered, the humid air is condensed, and the overall operation time is shortened.

Further, as shown in FIGS. 4 and 5 , a second reversing valve 2 is also provided between the evaporator 11 and the compressor 7 , and the first passage 3 and the second passage 4 are respectively connected to the first Between the reversing valve 1 and the second reversing valve 2; the second reversing valve 2 includes a first intake valve port and a second intake valve port, and the outlet end of the first passage 3 is connected to the first intake valve The outlet end of the second passage 4 is connected to the second intake valve port. By controlling the first reversing valve 1 and the second reversing valve 2, the refrigerant can be directly returned to the compressor 7 through the first passage 3, or by the first reversing valve 1 and the second reversing valve 2. The second passage 4 returns to the compressor 7 through the evaporator 11 .

As shown in FIG. 6 , the control method for regulating the adjustable clothes drying system includes S101 : controlling the system to start, and starting to execute the preheating procedure: controlling the first reversing valve 1 and the second reversing valve 2 to jointly Turn on the first passage 3 and completely close the second passage 4, and enter the rapid preheating stage; S201: when the set preheating temperature or the set preheating time is reached, end the preheating procedure, and execute the drying procedure: control The first reversing valve 1 and the second reversing valve 2 jointly conduct the second passage 4 and completely close the first passage 3, and enter the main drying stage.

Specifically, FIG. 4 shows that when two reversing valves are provided in the system, the first reversing valve 1 and the second reversing valve 2 are both regulated to the left, that is, the first outlet valve port and the first inlet valve port When it is directly connected to the compressor 7, the first passage 3 is unblocked, and the system is preheated or heated; Figure 5 shows that when two reversing valves are set in the system, the first reversing valve 1 and the second reversing valve 2 are both directed to When the right side is regulated, that is, when the second outlet valve port and the second inlet valve port are connected to the compressor 7 through the evaporator 11, the second passage 4 is unblocked, and the system enters the main drying stage, and the drying is completed after the clothes are dried. dry program.

Further, the gas outlet pipe 5 also includes a drying pipe and a capillary pipe which are sequentially connected between the condenser 10 and the first reversing valve 1 .

It should be understood that, although a single reversing valve is set in this system, although the heating speed can be increased to a certain extent in the initial stage, thereby shortening the overall drying time and saving energy, there will still be some parts in the initial stage of preheating or heating. The heat (refrigerant) enters the second channel and the evaporator 11, so that the heating rate cannot reach the optimum; when two reversing valves are set, it can be realized that when any one of the passages is unblocked, the other passage is completely closed, so that the drying The initial stage of drying clothes heats up quickly, saves energy, further shortens the drying time of clothes, and improves drying efficiency.

Further, as shown in FIG. 7 and FIG. 8 , the compressor 7 includes an air outlet, an air outlet pipe 5 , an air return port and an air return pipe 6 , and the air outlet and the first reversing valve 1 are connected through the air outlet pipe 5 , the condenser 10 is arranged on the air outlet pipe 5 , the air return port and the second reversing valve 2 are connected through the air return pipe 6 , and the refrigerant in the first passage 3 is directly returned to the air return pipe 6 The compressor 7 and the refrigerant in the second passage 4 return to the compressor 7 through the evaporator 11 and the return pipe 6 .

As shown in FIG. 9 and FIG. 10 , an adjustable clothes drying apparatus includes the above-mentioned adjustable clothes drying system. The adjustable clothes drying device may be a clothes dryer or an all-in-one washer and dryer.

The adjustable clothes drying apparatus further includes a drying chamber disposed between the condenser 10 and the evaporator 11 for placing the clothes to be dried. The adjustable clothes drying apparatus further includes a filter device disposed between the drying chamber and the evaporator 11 for filtering dander on the clothes.

Preferably, the filtering device includes a primary filtering device and a secondary filtering device, the primary filtering device includes a primary air inlet and a primary air outlet, and the secondary filtering device includes a secondary air inlet and a secondary outlet The secondary air inlet is connected to the primary air outlet, and the air flowing out from the secondary air outlet passes through the evaporator 11 and the condenser 10 in sequence, and then continuously circulates the air duct until the clothes are dried.

Further, the adjustable clothes drying equipment also includes a bottom device 8, a protective cover 9 and a fan, the bottom device 8 is located on the outer peripheral side of the drying chamber, the evaporator 11, the condenser 10 and the compressor 7 are mounted on the base unit 8 .

The protective cover 9 is covered on the evaporator 11 and the condenser 10; the fan is arranged between the condenser 10 and the drying chamber, and pushes the air heated by the condenser 10 to circulate according to the set path into the drying chamber.

It should be understood that the air duct drying cycle formed by the adjustable clothes drying equipment and the adjustable clothes drying system (mainly embodied as a heat pump system) belong to two cycle systems, since this technical principle is in the art Conventional technical means are well known to those skilled in the art, so they will not be described too much and will not be further limited.

Example 1

As shown in FIGS. 1 to 3 and FIG. 9 , the apparatus described in this embodiment is a tumble dryer, and the above-mentioned adjustable clothes drying system and control method are applied. It should be understood that the tumble dryer The adjustable clothes drying system in the clothes machine only applies one reversing valve, namely the first reversing valve 1 .

The adjustable laundry drying system includes a compressor (or heat pump) 7, a condenser 10, a drying tube, a capillary tube (the drying tube and the capillary tube are not marked in FIG. 1 and FIG. 2) and an evaporator 11, which are connected end to end. A first reversing valve 1 is arranged between the capillary tube and the evaporator 11 , and the first reversing valve 1 includes a first air outlet valve port and a second air outlet valve port; between the first air outlet valve port and the compressor 7 Directly communicated through the first passage 3, the second outlet valve port and the compressor 7 are communicated through the second passage 4, the evaporator 11 is arranged on the second passage 4, and the first reversing valve 1 can The refrigerant in the adjustable clothes drying system is controlled to flow through one of the paths of the first passage 3 and the path of the second passage 4 .

Further, the compressor 7 includes an air outlet, an air outlet pipe 5, an air return port and a return air pipe 6, and the first passage 3 and the second passage 4 are respectively connected between the first reversing valve 1 and the air return pipe 6. The outlet end of the first passage 3 is connected to the gas return pipe 6, and the outlet end of the second passage 4 is connected to the gas return pipe 6. By controlling the first reversing valve 1, the refrigerant can be directly returned to the compressor 7 through the first passage 3, or Return to the compressor 7 from the second passage 4 through the evaporator 11 . The first reversing valve 1 may be a solenoid valve.

Further, the air outlet and the first reversing valve 1 are connected through the air outlet pipe 5, the condenser 10 is arranged on the air outlet pipe 5, and the air return port and the first reversing valve 1 are connected by the air return pipe 6 is connected, at this time the first reversing valve 1 can be understood as including the first passage 3 and the second passage 4, the refrigerant in the first passage 3 directly returns to the compressor 7 through the air return pipe 6, The refrigerant in the second passage 4 returns to the compressor 7 through the evaporator 11 and the return pipe 6 . The gas outlet pipe 5 also includes a drying pipe and a capillary pipe which are sequentially connected between the condenser 10 and the first reversing valve 1 . Among them, the capillary is a commonly used throttling device, which is simple in structure and cheap in price. The throttling device mainly controls the cooling capacity required by the evaporator 11 through the pressure of the refrigerant flowing in the device, and the capillary tube is generally a copper tube with a relatively small inner diameter.

As shown in FIG. 3 , the control method for regulating the adjustable clothes drying system includes S10: controlling the system to start, and starting to execute the preheating procedure: controlling the first reversing valve 1 to conduct the first passage 3, and closing the The second passage 4 enters the rapid preheating stage; S20: when the set preheating temperature or the set preheating time is reached, end the preheating procedure, and execute the drying procedure: control the first reversing valve 1 to lead Pass through the second passage 4, close the first passage 3, and enter the main drying stage.

Specifically, in the initial working state of the dryer, the compressor 7 or the heat pump is started to push the flow of refrigerant in the system, the reversing valve acts, and the flow direction of the refrigerant is switched, so that the flow direction of the refrigerant is the compressor 7 or the heat pump--outlet pipe 5- -condenser 10--first reversing valve 1--air return pipe 6, the refrigerant returns to the inside of compressor 7 through return pipe 6, and the refrigerant does not flow through evaporator 11, which can rapidly increase the temperature of the system; when the temperature of the system rises After reaching a certain level, the reversing valve acts to switch the flow direction of the refrigerant. The refrigerant flow direction is compressor 7 or heat pump--outlet pipe 5--condenser 10--first reversing valve 1--evaporator 11--return pipe 6 , the refrigerant returns to the compressor 7 through the air return pipe 6. At this time, the temperature of the evaporator 11 is low, which can quickly condense the high temperature and humid air into water droplets, achieve the purpose of drying clothes, and effectively shorten the running time of the dryer.

The tumble dryer not only includes the adjustable clothes drying system, but also includes an air duct drying cycle directly used for drying clothes, as shown in FIG. Evaporators, condensers and fans. The drying room is used to place the laundry to be dried. Preferably, the filtering device includes a primary filtering device and a secondary filtering device, the primary filtering device includes a primary air inlet and a primary air outlet, and the secondary filtering device includes a secondary air inlet and a secondary air outlet The secondary air inlet is connected to the primary air outlet. For removing dander from clothing or air ducts.

Further, as shown in Figures 7 and 8, the tumble dryer also includes a bottom device 8, a protective cover 9 and a fan, the bottom device 8 is located on the outer peripheral side of the drying chamber, and the evaporation The condenser 11 , the condenser 10 and the compressor 7 are mounted on the base unit 8 . The protective cover 9 is covered on the evaporator 11 and the condenser 10; the fan is arranged between the condenser 10 and the drying chamber, and pushes the gas heated by the condenser 10 to circulate according to the set path into the drying chamber.

Embodiment 2

As shown in Figures 4 to 6 and Figure 10, the device described in this embodiment is a drum-type washing and drying machine, and the above-mentioned adjustable clothes drying system is applied. The system includes compressors 7, The condenser 10, the drying tube, the capillary tube (the drying tube and the capillary tube are not marked in FIG. 1 and FIG. 2) and the evaporator 11, a first reversing valve 1 is arranged between the capillary tube and the evaporator 11. The direction valve 1 includes a first air outlet valve port and a second air outlet valve port; the first air outlet valve port and the compressor 7 are directly communicated through the first passage 3, and the second air outlet valve port and the compressor 7 are connected The evaporator 11 is connected through the second passage 4, and the evaporator 11 is arranged on the second passage 4. The first reversing valve 1 can control the refrigerant in the adjustable clothes drying system from the first passage 3 to the second passage. Choose one of the 4 paths to circulate. It should be understood that the adjustable laundry drying system in the tumble dryer employs two reversing valves.

Further, a second reversing valve 2 is also provided between the evaporator 11 and the compressor 7 , and the first passage 3 and the second passage 4 are respectively connected to the first reversing valve 1 and the second reversing valve 1 . The second reversing valve 2 includes a first intake valve port and a second intake valve port, the outlet end of the first passage 3 is connected to the first intake valve port, and the outlet of the second passage 4 The end is connected to the second inlet valve port, by controlling the first outlet valve port and the second outlet valve port in the first reversing valve 1, and the first inlet valve port and the second inlet valve of the second reversing valve 2 port, the refrigerant can be directly returned to the compressor 7 through the first passage 3, or returned to the compressor 7 through the evaporator 11 from the second passage 4. The first reversing valve 1 and the second reversing valve 2 may be solenoid valves.

Further, the compressor 7 includes an air outlet, an air outlet pipe 5, an air return port and an air return pipe 6, the air outlet and the first reversing valve 1 are connected through the air outlet pipe 5, and the condenser 10 is arranged at the outlet. On the air pipe 5, the air return port and the second reversing valve 2 are connected through the air return pipe 6, and the refrigerant in the first passage 3 returns directly to the compressor 7 through the air return pipe 6, and the first passage 3 returns to the compressor 7. The refrigerant in the second passage 4 returns to the compressor 7 through the evaporator 11 and the return pipe 6 .

Further, the gas outlet pipe 5 also includes a drying pipe and a capillary pipe which are sequentially connected between the condenser 10 and the first reversing valve 1 . Among them, the capillary is a commonly used throttling device, which is simple in structure and cheap in price. The throttling device mainly controls the cooling capacity required by the evaporator 11 through the pressure of the refrigerant flowing in the device, and the capillary tube is generally a copper tube with a relatively small inner diameter.

As shown in FIG. 6 , the control method for regulating the adjustable clothes drying system includes S101 : controlling the system to start, and starting to execute the preheating procedure: controlling the first reversing valve 1 and the second reversing valve 2 to jointly Turn on the first passage 3 and completely close the second passage 4, and enter the rapid preheating stage; S201: when the set preheating temperature or the set preheating time is reached, end the preheating procedure, and execute the drying procedure: control The first reversing valve 1 and the second reversing valve 2 jointly conduct the second passage 4 and completely close the first passage 3, and enter the main drying stage.

Specifically, after the washing and drying machine finishes washing clothes, in the initial working state of drying, the compressor 7 or the heat pump is started to push the flow of refrigerant in the system, and the reversing valve acts to switch the flow direction of the refrigerant, so that the flow direction of the refrigerant is the compressor 7 or the heat pump. Heat pump--outlet pipe 5--condenser 10--first reversing valve 1--second reversing valve 2--return pipe 6, through the return pipe 6, the refrigerant returns to the inside of the compressor 7, and the refrigerant does not flow through evaporation When the temperature of the system rises to a certain level, the reversing valve acts to switch the refrigerant flow direction, and the refrigerant flow direction is the compressor 7 or heat pump--outlet pipe 5--condenser 10--th A reversing valve 1--evaporator 11--second reversing valve 2--air return pipe 6, the refrigerant returns to the inside of the compressor 7 through the air return pipe 6, and the temperature of the evaporator 11 is low at this time, which can make high temperature and humidity The air quickly condenses into water droplets to achieve the purpose of drying clothes and effectively shorten the running time of the dryer.

The tumble dryer not only includes the adjustable clothes drying system, but also includes an air duct drying cycle directly used to dry clothes, as shown in FIG. 10 , including a drying chamber, a filter device, Evaporators, condensers and fans. The drying room is used to place the laundry to be dried. Preferably, the filtering device includes a primary filtering device and a secondary filtering device, the primary filtering device includes a primary air inlet and a primary air outlet, and the secondary filtering device includes a secondary air inlet and a secondary air outlet The secondary air inlet is connected to the primary air outlet. For removing dander from clothing or air ducts.

Further, as shown in Figures 7 and 8, the tumble dryer also includes a bottom device 8, a protective cover 9 and a fan, the bottom device 8 is located on the outer peripheral side of the drying chamber, and the evaporation The condenser 11 , the condenser 10 and the compressor 7 are mounted on the base unit 8 . The protective cover 9 is covered on the evaporator 11 and the condenser 10; the fan is arranged between the condenser 10 and the drying chamber, and pushes the gas heated by the condenser 10 to circulate according to the set path into the drying chamber.

Embodiment 3

As shown in FIG. 11 , the integrated washing and drying machine includes an air duct module, a heat pump module, a filter module and a drying room module. The air duct module is provided with a fan, and the fan is used to push the air in the air duct to flow according to the set route; the heat pump module is provided with a condenser 10, a compressor 7, an evaporator 11, etc.; the drying room module, including The drying chamber or the inner cylinder is used for storing clothes and is driven to rotate by a motor; the filtering module includes a filtering device, specifically a primary filtering device and a secondary filtering device, which are used for filtering the dander on the clothes. The heat pump module, the air duct module, the drying room module and the filter module are connected in sequence. The washer-dryer in this embodiment is a drum type.

As shown in FIGS. 4 to 6 and 10 , a drum-type washing and drying machine in this embodiment applies the above-mentioned adjustable clothes drying system. The system includes a compressor 7 , a condenser 10 , a drying machine, a compressor 7 , a condenser 10 , a drying machine that are connected end to end in sequence. Tube, capillary tube (drying tube and capillary tube are not marked in FIG. 1 and FIG. 2) and evaporator 11, a first reversing valve 1 is arranged between the capillary tube and the evaporator 11, and the first reversing valve 1 includes a first reversing valve 1. An outlet valve port and a second outlet valve port; the first outlet valve port and the compressor 7 are directly connected through the first passage 3, and the second outlet valve port and the compressor 7 are connected through the second passage 4 The evaporator 11 is arranged on the second passage 4, and the first reversing valve 1 can control the refrigerant in the adjustable clothes drying system to choose one of the first passage 3 and the second passage 4. circulation. It should be understood that the adjustable laundry drying system in the tumble dryer employs two reversing valves.

Further, a second reversing valve 2 is also provided between the evaporator 11 and the compressor 7 , and the first passage 3 and the second passage 4 are respectively connected to the first reversing valve 1 and the second reversing valve 1 . The second reversing valve 2 includes a first intake valve port and a second intake valve port, the outlet end of the first passage 3 is connected to the first intake valve port, and the outlet of the second passage 4 The end is connected to the second inlet valve port, by controlling the first outlet valve port and the second outlet valve port in the first reversing valve 1, and the first inlet valve port and the second inlet valve of the second reversing valve 2 port, the refrigerant can be directly returned to the compressor 7 through the first passage 3, or returned to the compressor 7 through the evaporator 11 from the second passage 4. The first reversing valve 1 and the second reversing valve 2 may be solenoid valves.

Further, the compressor 7 includes an air outlet, an air outlet pipe 5, an air return port and an air return pipe 6, the air outlet and the first reversing valve 1 are connected through the air outlet pipe 5, and the condenser 10 is arranged at the outlet. On the air pipe 5, the air return port and the second reversing valve 2 are connected through the air return pipe 6, and the refrigerant in the first passage 3 returns directly to the compressor 7 through the air return pipe 6, and the first passage 3 returns to the compressor 7. The refrigerant in the second passage 4 returns to the compressor 7 through the evaporator 11 and the return pipe 6 .

Further, the gas outlet pipe 5 also includes a drying pipe and a capillary pipe which are sequentially connected between the condenser 10 and the first reversing valve 1 . Among them, the capillary is a commonly used throttling device, which is simple in structure and cheap in price. The throttling device mainly controls the cooling capacity required by the evaporator 11 through the pressure of the refrigerant flowing in the device, and the capillary tube is generally a copper tube with a relatively small inner diameter.

As shown in FIG. 6 , the control method for regulating the adjustable clothes drying system includes S101 : controlling the system to start, and starting to execute the preheating procedure: controlling the first reversing valve 1 and the second reversing valve 2 to jointly Turn on the first passage 3 and completely close the second passage 4, and enter the rapid preheating stage; S201: when the set preheating temperature or the set preheating time is reached, end the preheating procedure, and execute the drying procedure: control The first reversing valve 1 and the second reversing valve 2 jointly conduct the second passage 4 and completely close the first passage 3, and enter the main drying stage.

Specifically, after the washing and drying machine finishes washing clothes, and in the initial working state of drying, the compressor 7 or the heat pump starts to push the flow of refrigerant in the system, and the reversing valve acts to switch the flow direction of the refrigerant, so that the flow direction of the refrigerant is the compressor 7 or the heat pump. Heat pump--outlet pipe 5--condenser 10--first reversing valve 1--second reversing valve 2--return pipe 6, through the return pipe 6, the refrigerant returns to the inside of the compressor 7, and the refrigerant does not flow through evaporation When the temperature of the system rises to a certain level, the reversing valve acts to switch the refrigerant flow direction, and the refrigerant flow direction is the compressor 7 or heat pump--outlet pipe 5--condenser 10--th A reversing valve 1--evaporator 11--second reversing valve 2--air return pipe 6, the refrigerant returns to the inside of the compressor 7 through the air return pipe 6, and the temperature of the evaporator 11 is low at this time, which can make high temperature and humidity The air quickly condenses into water droplets to achieve the purpose of drying clothes and effectively shorten the running time of the dryer.

The tumble dryer not only includes the adjustable clothes drying system, but also includes an air duct drying cycle directly used to dry clothes, as shown in FIG. 10 , including a drying chamber, a filter device, Evaporators, condensers and fans. The drying room is used to place the laundry to be dried. Preferably, the filtering device includes a primary filtering device and a secondary filtering device, the primary filtering device includes a primary air inlet and a primary air outlet, and the secondary filtering device includes a secondary air inlet and a secondary air outlet The secondary air inlet is connected to the primary air outlet. For removing dander from clothing or air ducts.

Further, as shown in Figures 7 and 8, the tumble dryer also includes a bottom device 8, a protective cover 9 and a fan, the bottom device 8 is located on the outer peripheral side of the drying chamber, and the evaporation The condenser 11 , the condenser 10 and the compressor 7 are mounted on the base unit 8 . The protective cover 9 is covered on the evaporator 11 and the condenser 10; the fan is arranged between the condenser 10 and the drying chamber, and pushes the gas heated by the condenser 10 to circulate according to the set path into the drying chamber.

The above descriptions are only preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Anyone familiar with the technology of this patent Within the scope of the technical solution of the present invention, personnel can make some changes or modifications to equivalent examples of equivalent changes by using the above-mentioned technical content, but any content that does not depart from the technical solution of the present invention is based on the technical solution of the present invention. Substantially any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the solutions of the present invention.

Claims (10)

1. An adjustable clothes drying system, comprising a compressor, a condenser and an evaporator connected end to end, characterized in that a first reversing valve is provided between the condenser and the evaporator, and the first reversing valve is arranged between the condenser and the evaporator. A reversing valve includes a first air outlet valve port and a second air outlet valve port; The first air outlet valve port and the compressor are directly communicated through a first passage, the second air outlet valve port and the compressor are communicated through a second passage, the evaporator is arranged on the second passage, the The first reversing valve can control the refrigerant in the adjustable clothes drying system to flow through one of the first passage path and the second passage path. 2 . The adjustable clothes drying system according to claim 1 , wherein a second reversing valve is further arranged between the evaporator and the compressor, and the first passage and the second passage are connected respectively. 3 . between the first reversing valve and the second reversing valve; The second reversing valve includes a first intake valve port and a second intake valve port, the outlet end of the first passage is connected to the first intake valve port, and the outlet end of the second passage is connected to the second inlet valve. At the air valve port, by controlling the first reversing valve and the second reversing valve, the refrigerant can be directly returned to the compressor through the first passage, or returned to the compressor from the second passage through the evaporator. 3. The adjustable clothes drying system according to claim 2, wherein the compressor comprises an air outlet and an air return port, and the air outlet and the first reversing valve are connected by an air outlet pipe, so The condenser is arranged on the air outlet pipe; The air return port and the second reversing valve are connected through the air return pipe, the refrigerant in the first passage is directly returned to the compressor through the air return pipe, and the refrigerant in the second passage is evaporated through the the compressor and the return line back to the compressor. 4 . The adjustable clothes drying system according to claim 3 , wherein the air outlet pipe further comprises a drying pipe and a capillary pipe which are sequentially connected between the condenser and the first reversing valve. 5 . 5. A method for controlling the adjustable laundry drying system described in any one of the preceding claims 1 to 4, wherein: Control the system to start, and start to execute the preheating procedure: control the first reversing valve to conduct the first passage, close the second passage, and enter the rapid preheating stage; When the set preheating temperature or the set preheating time is reached, the preheating process is ended, and the drying process is executed: control the first reversing valve to conduct the second passage, close the first passage, and enter the main drying process stage. 6. The control method for regulating and regulating an adjustable clothes drying system according to claim 5, wherein: Control the system to start, and start to execute the preheating procedure: control the first reversing valve and the second reversing valve to jointly conduct the first passage and completely close the second passage, and enter the rapid preheating stage; When the set preheating temperature or the set preheating time is reached, the preheating process is ended, and the drying process is executed: control the first reversing valve and the second reversing valve to jointly conduct the second passage and completely close it The first passage enters the main drying stage. 7. An adjustable clothes drying device, characterized in that: the device comprises the adjustable clothes drying system according to any one of claims 1 to 4, and adopts the control of the above claim 5 or 6 The method controls the flow path of the refrigerant. 8. The adjustable clothes drying device according to claim 7, wherein the adjustable clothes drying device further comprises a drying chamber disposed between the condenser and the evaporator. 9 . The adjustable clothes drying device according to claim 8 , wherein: the adjustable clothes drying device further comprises a filter device disposed between the drying chamber and the evaporator; 10 . Preferably, the filtering device includes a primary filtering device and a secondary filtering device, the primary filtering device includes a primary air inlet and a primary air outlet, and the secondary filtering device includes a secondary air inlet and a secondary air outlet The secondary air inlet is connected to the primary air outlet. 10. The adjustable clothes drying device according to any one of claims 7 to 9, wherein the adjustable clothes drying device further comprises a bottom device, a protective cover and a fan, the bottom A stage device is located on the outer peripheral side of the drying chamber, and the evaporator, the condenser and the compressor are mounted on the bottom stage device; The protective cover is set on the evaporator and the condenser; the fan is set between the condenser and the drying chamber, and pushes the gas heated by the condenser to enter the drying chamber according to the set circulation path. dry room.

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