WO2019052345A1

WO2019052345A1 - Integrated laundry washer-dryer, and control method therefor

Info

Publication number: WO2019052345A1
Application number: PCT/CN2018/103451
Authority: WO
Inventors: 李文伟; 邢本驸; 王金凯; 潘继辉; 张新华
Original assignee: 青岛海尔滚筒洗衣机有限公司
Priority date: 2017-09-18
Filing date: 2018-08-31
Publication date: 2019-03-21
Also published as: CN109518407A

Abstract

Disclosed are an integrated laundry washer-dryer, and a control method therefor. The integrated laundry washer-dryer comprises: a housing 1, and a washing apparatus (10) and a drying apparatus (11)that are arranged inside the housing (1) and can respectively independently operate, wherein the drying apparatus (11) comprises a heat exchange element and a heat exchange element filter device (2); the washing apparatus (10) comprises a water inlet path for the entry of washing water; and further comprises a rinsing water path (13) in communication with the water inlet path of the washing apparatus (10),the rinsing water path (13) being provided with a rinsing control device (14), the rinsing water path (13) being in communication with the heat exchange element filter device (2), and the rinsing water path (13) being controlled by the rinsing control device (14) such that same communicates so as to introduce incoming water of the washing apparatus (10) into the heat exchange element filter device (2) so as to rinse off lint. By introducing a water inlet branch of the washing apparatus (10) into the heat exchange element filter device (2) to rinse off lint, the rinsing of the heat exchange element filter device (2) is realized, thereby simplifying the overall structure and further facilitating use by a user.

Description

Laundry washing and drying machine and control method thereof

Technical field

The invention relates to the technical field of laundry and drying equipment, and in particular to a laundry washing and drying machine and a control method thereof.

Background technique

Washing machines, as a kind of household appliances, have gradually become an indispensable part of people's lives. With the improvement of living standards, the rapid laundry can no longer meet people's daily needs. Sometimes people also require clothes to be worn in the shortest time after washing, so the dryer is also a kind of drying equipment. The more you walk into people's homes.

However, if a washing machine and a clothes dryer are placed in the home, not only does it occupy a large space, but also people need to transfer the clothes washed in the washing machine to the clothes dryer, because the capacity of the clothes dryer is generally smaller. The capacity of the washing machine, so the laundry that is washed once can not be processed once in the dryer, and needs to be divided into two or even multiple times. In addition, there is now a drum washing machine having a drying function, but the washing machine is generally limited in capacity due to the need for drying, and the entire washing and drying process takes a long time.

The existing application number is 201220157731.3, and the application date is April 16, 2012. The name is a Chinese utility model patent of a combined washing and drying machine. The utility model discloses a combined washing and drying machine, including a main body. a frame, a washing machine is installed in the lower frame of the main frame, a dryer is installed in the upper frame of the main frame, and an upper part of the washing machine is connected to the electric control board through a second isolation layer, and the electric control board passes the An insulation layer is connected to the clothes dryer, and the washing machine is provided with a laundry device working door, and the clothes dryer is provided with a clothes dryer working door. The combined washing and drying machine of the utility model combines a well-known washing machine and a clothes dryer to manufacture materials, which can save manufacturing materials and reduce manufacturing cost. Because of combined manufacturing, the floor space occupied by the use is small, because the clothes dryer is in the upper position. It is easy to use because it forms a working height.

The above utility model patent combines a clothes dryer and a washing machine to solve the problem of simultaneous laundry and drying, but due to the different working processes of the washing machine and the dryer, the two are not integrated, resulting in both resources. waste. For example, a dryer, specifically a condensing dryer, includes a condenser, and a condenser filter is disposed in the air passage in front of the condenser for filtering the swarf in the condensed wind to ensure the efficiency of heat exchange of the condenser. In order to ensure the effectiveness of the filtration of the condenser filter device while ensuring the normal circulation of the condensing air, it is necessary to periodically clean the wire dust of the condenser filter device.

In view of the above, the present invention solves the problem of cleaning the condenser filter device based on the respective working characteristics of the washing machine and the dryer based on the laundry washing and drying machine, and the present invention has been specifically proposed.

Summary of the invention

In order to solve the above problems, a first object of the present invention is to provide a laundry washing and drying machine, and in particular, the following technical solutions are adopted:

A laundry washing and drying machine comprising:

case;

a laundry device and a drying device that are independently installed in the housing;

The drying device comprises a heat exchange element and a heat exchange element filtering device;

The laundry device includes an inflow water passage for washing water into the water;

The utility model further comprises a flushing waterway connected with the water inlet waterway of the washing device, a flushing control device is arranged on the flushing waterway, the flushing waterway is connected to the heat exchange component filtering device, and the flushing waterway is controlled by the flushing control device to introduce the water inflow into the washing device. The heat element filter unit is flushed.

Further, the inlet water passage includes an inlet valve and an inlet pipe, one end of the inlet pipe is connected to the inlet valve, and the other end is externally connected with a faucet; and the flushing waterway is connected with the inlet valve or the inlet pipe.

Further, the washing apparatus further includes a drain water passage, and the heat exchange element filtering device is connected to the drain water passage through the connecting pipe, and is configured to discharge the flushing water of the flushing heat exchange element filtering device through the drain water passage.

Further, the drain water passage includes a drain pipe communicating with the outer cylinder of the laundry device and a drain valve disposed on the drain pipe, the connecting pipe being connected to the drain pipe located at a position downstream of the drain valve; A control valve is provided on the connecting pipe.

Further, the drainage waterway includes a first drain pipe and a second drain pipe: one end of the first drain pipe is in communication with the outer cylinder, and the other end is connected to the heat exchange element filtering device, and one end of the second drain pipe is connected to the outer cylinder The other end is connected to the outside of the casing; the first drain pipe and / or the second drain pipe is provided with a drainage control device;

Preferably, the drainage control device is a drain valve:

a first drain valve is disposed on the first drain pipe, and a second drain valve is disposed on the second drain pipe;

Alternatively, the drain valve includes a water inlet end and two water outlet ends, the water inlet end is in communication with the outer cylinder, and the two water outlet ends are respectively in communication with the first drain pipe and the second drain pipe.

Further, the drying device is disposed at an upper portion of the laundry device, and the drainage water path is provided with a circulation pump for driving a drainage cycle of the laundry device to the heat transfer element filtering device;

Preferably, the circulation pump is disposed on the first drain pipe and between the drain valve and the heat exchange element filtering device.

A second object of the present invention is to provide a control method for a laundry washing and drying machine, and in particular, the following technical solution is adopted:

A control method for a laundry washing and drying machine, the laundry washing and drying machine comprises a control device for controlling the operation of the clothes drying device and the laundry device, and the drying device device needs to wash the heat exchange element filtering device, the control device controls the flushing control The device turns on the flushing water path, and introduces the water in the washing device into the heat exchange element filtering device to wash the wire scraps.

Further, when the drying device needs to flush the heat exchange element filtering device before starting the drying or after the drying is completed, when the washing device is detected to enter the water, the control device controls the flushing control device to turn on the flushing water path, and the laundry is washed. The device inlet water is introduced into the heat exchange element filtering device to wash the wire scraps.

Further, the method includes: the drying device needs to flush the heat exchange element filtering device before starting the drying or after the drying is completed, and when the washing device is not detected, the control device controls the water inlet connected to the flushing water path. The outlet end of the valve is opened, and the flushing control device is controlled to conduct the flushing water path, and the influent water is introduced into the heat exchange element filtering device to wash the wire scrap.

Further, when the drying device needs to flush the heat exchange element filtering device before starting the drying or after the drying is completed, when the laundry device is detected to drain, the control device controls the drainage control device to discharge the water discharged from the washing device to The heat exchange element filtering device performs the chip scraping;

Preferably, when the drying device is subjected to dry clothes, when detecting that the laundry device is performing rinsing drainage, the control device controls the drainage control device to discharge the rinsing water discharged from the washing device to the heat exchange element filtering device for swarf scouring;

Further preferably, when the washing device performs a plurality of rinsing, the control device controls the washing device to discharge the rinsing water discharged from the washing device to the heat exchange element filtering device for swarf washing when performing the last rinsing drainage;

When the laundry device performs only one rinsing, the control device controls the rinsing drain of the laundry device to be directly discharged by the drain water passage.

The laundry washing and drying machine of the present invention installs the drying device for drying clothes and the laundry device for washing in the same casing, realizes the user's laundry and drying requirements, saves the cost of separately manufacturing, and saves the cost. Space is placed, and the user can also choose to carry out laundry or drying clothes separately, which can be more selective and improve efficiency.

The invention realizes the flushing of the heat exchange element filtering device by introducing the water inlet branch of the washing device into the heat exchange element filtering device for the wire scraping. Thus, the laundry washing and drying machine of the present invention only needs to be connected with the faucet through a water inlet pipe, and at the same time realizes the water inlet of the washing device and the water inflow of the heat transfer element filtering device of the drying device, which simplifies the overall structure and is more convenient. User use.

DRAWINGS

1 is a schematic diagram of a laundry washing and drying machine according to an embodiment of the present invention;

2 is a schematic diagram of a laundry washing and drying machine according to a third embodiment of the present invention;

Figure 3 is a schematic view of the laundry washing and drying machine of the sixth embodiment of the present invention;

Figure 4 is a schematic view showing the clothes washing and drying machine of the seventh embodiment of the present invention;

Fig. 5 is a schematic view showing still another embodiment of the clothes washing and drying machine according to the seventh embodiment of the present invention.

Detailed ways

A laundry washing and drying machine and a control method thereof according to the present invention will be described in detail below with reference to the accompanying drawings:

Embodiment 1

As shown in FIG. 1 , a laundry washing and drying machine is characterized in that it comprises:

Housing 1;

a washing device 10 and a drying device 11 respectively disposed in the housing 1 and independently operable;

The drying device 11 includes a heat exchange element and a heat exchange element filtering device 2 for filtering the condensed air;

The laundry device 10 includes a drain water passage and a drain control device 8 disposed on the drain water passage to control its opening and closing, and the drain water passage is connected to the heat exchange element filter device 2. The laundry washing and drying machine of the present embodiment installs the drying device 11 for drying clothes and the laundry device 10 for washing in the same casing 1, realizing the user's laundry and drying requirements, and saving separately manufacturing separately. The cost is saved, and the user can also choose to carry out laundry or drying clothes separately, which can be more selective and improve efficiency.

The laundry washing and drying machine of the embodiment fully takes into consideration the working characteristics of the washing device and the drying device, and the condenser filtering device 2 of the drying device generally adopts the method of flushing in the water to perform the wire cleaning, and the washing device is in the washing process. The water supply and the drainage are required. In this embodiment, the drainage water channel of the laundry device is connected to the condenser filter device 2, and the water discharged from the laundry device is discharged to the condenser filter device 2 for scouring, thereby implementing the cleaning condenser filter device. The purpose of 2. Therefore, the laundry washing and drying machine of the present embodiment solves the wire dust filtering device of the condenser filtering device 2 of the laundry washing and drying machine by using the water discharged from the washing device, thereby realizing the secondary utilization of the discharging water of the washing device, saving water. Resources.

The drying device of the embodiment adopts a condensing module, the heat exchange element is a condenser, the heat exchange element filtering device is a condenser filtering device, or the drying device adopts a heat pump drying module. The heat exchange element is an evaporator, and the heat exchange element filter device is an evaporator filter device.

Hereinafter, the condensing drying module is taken as an example, and the heat exchange element filtering device is a condenser filtering device. It should be understood by those skilled in the art that when a heat pump type drying module is used, the heat exchange element filtering device is an evaporator filtering device. The same applies.

In order to introduce the water discharged from the laundry device to the condenser filtering device 2, the present embodiment improves the drainage water path of the laundry device. Specifically, the laundry device described in the embodiment includes an outer cylinder for holding water, The drain water passage includes a first drain pipe 5 and a second drain pipe 6: one end of the first drain pipe 5 communicates with the outer cylinder, and the other end communicates with the condenser filter device 2, and one end of the second drain pipe 6 communicates with the outer cylinder. The other end opens to the outside of the casing 1; the drain control device 8 is disposed in the first drain pipe 5 and/or the second drain pipe 6.

The first drain pipe 5 of the present embodiment takes the water discharged from the washing device out to the condenser filter device 2 for scouring, and the second drain pipe 6 directly discharges the water discharged from the washing device.

In this embodiment, the drainage control device is disposed on the first drain pipe 5 and/or the second drain pipe 6, and the control of the drain pipe control device controls the conduction and disconnection of the first drain pipe 5 and the second drain pipe 6 to realize the washing device. Drainage control. Since the turbidity of the water discharged by the washing device is different, not all of the water discharged from the washing device is led to the condenser filtering device. Therefore, whether the drainage of the washing device is led to the condenser can be realized by controlling the drainage control device. Control at the filter unit.

Further, in order to determine whether the water discharged from the laundry device meets the turbidity requirement, the laundry device further includes a turbidity sensor for detecting the turbidity of the laundry water, when it is detected that the turbidity satisfies the requirement of the flushing condenser filter device, Then, the first drain pipe 5 is controlled to be turned on, otherwise the second drain pipe 6 is turned on.

Alternatively, the conduction and disconnection of the first drain pipe 5 and the second drain pipe 6 are controlled by programming. Specifically, since the water of the washing device during the rinsing process, especially the water of the last rinsing process, is relatively clean, the laundry may be defaulted in the laundry. The device controls the first drain pipe 5 to conduct during the last rinsing drain, and the other drain pipe 5 is closed during the other process, and only the second drain pipe 6 is turned on for draining.

As a preferred embodiment of the present embodiment, the drain control device 8 is a drain valve: a first drain valve is disposed on the first drain pipe, and a second drain valve is disposed on the second drain pipe. Thus, the opening and closing of the first drain pipe and the second drain section are achieved by correspondingly controlling the on and off of the first drain valve and the second drain valve.

Or, as shown in FIG. 1, the drain valve of the embodiment includes a water inlet end and two water outlet ends, and the water inlet end is in communication with the outer cylinder 10, and the two water outlet ends are respectively connected to the first drain pipe 5, The two drain pipes 6 are in communication. In this way, the conduction of the first drain pipe and the second drain section can be achieved by controlling the conduction of the corresponding water outlet end of the drain valve.

The water inlet end of the drain valve of the present embodiment communicates with the drain port of the outer cylinder through the connecting pipe 9.

Further, in the laundry washing and drying machine of the embodiment, the drying device is disposed at an upper portion of the laundry device, and because the overall quality of the laundry device is large, the laundry device is placed at a lower portion of the drying device to reduce the washing of the clothes. The overall center of gravity of the all-in-one machine to enhance the stability of its work.

Since the drying device is disposed at an upper portion of the laundry device, a drying assembly such as a condenser of the drying device is disposed at an upper portion of the laundry device, and therefore, in order to guide the drainage of the laundry device to the condenser filtering device, the drainage A circulation pump 7 for driving the washing device to the drain filter to the condenser filter device 2 for chip scraping is provided on the water passage.

Specifically, the circulation pump 7 is disposed on the first drain pipe 5 and between the drain valve and the condenser filter device 2. In this embodiment, the water pump discharged from the lower laundry device is pumped to the condenser filter device 2 of the upper drying device by a circulation pump to perform wire scraping.

In the laundry washing and drying machine of the embodiment, the condenser filter device 2 is flushed by the water discharged from the washing device, and the flushed water can be discharged from the drain port of the drying device. This embodiment considers that the laundry is better integrated. The drainage problem of the machine can eliminate the drain of the drying device and lead the flushed water back to the drainage channel of the washing device. Specifically, the condenser filter device 2 of the present embodiment is connected to a third drain pipe 4, and the third drain pipe 4 is in communication with the second drain pipe 6. Preferably, the third drain pipe 3 is provided on the third drain pipe 4.

As a preferred embodiment of the present embodiment, the condenser filter device 2 of the embodiment includes a filter net and a filter net frame, and the filter net frame is provided with a flushing flow channel, the drain water channel and the flushing flow. The road is connected, and the drainage of the washing device is discharged to the flushing channel of the filter frame through the drainage water channel to flush the wire scraping on the filtering net.

The laundry washing and drying machine of the present embodiment includes a control device 12 for controlling the operation of the clothes drying device and the laundry device. The control device 12 is electrically connected to the drain control device 8, the circulation pump 7, and the third drain valve 3, respectively. The operation of the washing device and the drying device controls the opening and closing of the various electrical components.

As an embodiment of the embodiment, the condenser filtering device is a filter net disposed in an air duct located in front of the condenser.

Embodiment 2

The embodiment provides a control method for the laundry washing and drying machine according to the first embodiment. The laundry washing and drying machine includes a control device for controlling the operation of the clothes drying device and the laundry device, and the drying device needs to filter the heat exchange elements. When the device is flushed, when the washing device is drained, the control device controls the drain control device to discharge the water discharged from the washing device to the heat exchange element filtering device for the wire scraping.

The control method of the embodiment realizes that the water discharged from the washing device is led to the heat-exchange element filtering device to perform the wire scraping by controlling the drainage control device, thereby achieving the purpose of cleaning the heat-exchange element filtering device 2, and realizing the secondary discharge of the washing device Utilization saves water resources.

Since the turbidity of the water discharged by the washing device is different, the water discharged from the washing device may not necessarily be led to the filtering device of the heat exchange element. Therefore, by controlling the drainage control device, whether or not the drainage of the washing device can be introduced Control at the thermal element filter unit.

As a preferred embodiment of the present embodiment, in order to determine whether the water discharged from the laundry device meets the turbidity requirement, the laundry device further includes a turbidity sensor for detecting the turbidity of the laundry water, when the turbidity is detected to satisfy the scouring When the heat transfer element filter device is required, the first drain pipe is controlled to be turned on, otherwise the second drain pipe is turned on.

As another preferred embodiment of the embodiment, the conduction and disconnection of the first drain pipe and the second drain pipe are controlled by programming, specifically: the drying device needs to be before the drying of the clothes or after the drying is completed. When the heat exchange element filtering device performs the flushing, when detecting that the washing device is performing the rinsing drainage, the control device controls the drainage control device to discharge the rinsing water discharged from the washing device to the heat exchange element filtering device;

Preferably, when the washing device performs a plurality of rinsing, the control device controls the washing device to discharge the rinsing water discharged from the washing device to the heat exchange element filtering device for swarf washing when performing the last rinsing drainage;

Since the water discharged during the rinsing process, especially during the last rinsing process, is relatively clean, the slag scouring by the rinsing discharged water not only achieves the purpose of cleaning the swarf, but also ensures the cleanliness of the heat exchange element filtering device.

Specifically, the control method of the laundry washing and drying machine of the embodiment includes:

The drying device needs to flush the heat exchange element filtering device before starting the drying or after the drying is completed. When it is detected that the washing device is running the last rinsing drain, the drain valve is controlled to conduct the first drain pipe while controlling the cycle. The pump and the third drain valve are opened, and the rinsing water discharged from the washing device is circulated to the filter of the heat exchange element, and then discharged to the second drain pipe by the third drain pipe.

In addition, when the drying device is separately operated and needs to be washed by the heat exchange element filtering device, the drying device of the embodiment further includes a flushing waterway connected to the heat exchange element filtering device, and the flushing water channel is externally connected to the water source; When the garment device needs to be flushed before the drying device or after the drying device is completed, when the washing device is not detected, the control water channel is turned on to introduce the water source to the heat exchange element filtering device for the wire scraping. . The laundry washing and drying machine of the embodiment can realize the wire scraping of the heat exchange element filtering device when the washing device is not operated, thereby ensuring the independent work of the drying device, and greatly increasing the user's use flexibility.

Embodiment 3

As shown in FIG. 2, a laundry washing and drying machine of the embodiment includes:

Housing 1;

The laundry device 10 includes an inflow water passage for washing water into the water;

The utility model further comprises a flushing waterway 13 connected to the water inlet waterway of the washing device, wherein the flushing waterway 13 is provided with a flushing control device 14, the flushing waterway is connected to the heat exchange element filtering device 2, and the flushing waterway is controlled by the flushing control device 14 to connect the washing device The influent water is introduced into the heat exchange element filtering device 2 to wash the scraps.

In the present embodiment, flushing of the heat exchange element filtering device 2 is achieved by introducing the water inlet branch of the laundry device to the heat exchange element filtering device 2 for wire scraping. Thus, the laundry washing and drying machine of the embodiment only needs to be connected with the faucet through a water inlet pipe, and at the same time, the water inlet of the washing device and the water inlet flushing of the condenser filter device 2 of the drying device are simplified, thereby simplifying the overall structure and further User-friendly.

Further, the water inlet waterway of the embodiment includes an inlet valve and an inlet pipe, one end of the inlet pipe is connected to the inlet valve, and the other end is externally connected with a faucet; the flushing waterway is connected with the inlet valve or the inlet pipe.

The water inlet pipe of the embodiment is connected with a three-way pipe, and the three-way pipe respectively communicates with the water inlet valve and the flushing waterway, so that the flushing waterway communicates with the external water source through the inlet pipe, and the flushing control device 14 of the flushing waterway is controlled to be turned on and off. The opening and closing of the flushing waterway is realized.

Alternatively, the inlet valve of the embodiment includes a water inlet end and at least two water outlet ends, the water inlet end is connected to the inlet water pipe, and the water outlet end is respectively connected to the outer tube of the washing device and the flushing water path, so that only when the washing device is flooded The opening of the washing control device 14 is controlled to turn on the flushing waterway.

In this embodiment, the inflow of the washing device is introduced into the condenser filtering device to realize the scraping of the wire. Through the structure and the program design, the conduction of the flushing water passage can be independent of whether the washing device works or not, so as to ensure the independent operation of the drying device. Sex.

Embodiment 4

A control method for a laundry washing and drying machine according to the third embodiment, the laundry washing and drying machine comprises a control device for controlling the operation of the clothes drying device and the laundry device, and the drying device needs to wash the heat exchange element filtering device The control device controls the flushing control device to conduct the flushing water passage, and introduces the water in the washing device into the heat exchanger element filtering device.

The control method of the laundry washing and drying machine of the present embodiment is designed in combination with the design of the flushing water path, and the water inflow of the heat exchange element filtering device can be independent of the water entering the washing device, or can be performed simultaneously with the water entering the washing device.

As a preferred embodiment of the present embodiment, the drying device needs to flush the heat exchange element filtering device before starting the drying or after the drying is completed, and when the washing device is detected to be in the water, the control device controls the flushing control device. The flushing water path is turned on, and the water in the washing device is introduced into the heat exchange element filtering device to wash the wire scraps. In this embodiment, the heat exchange element filtering device of the drying device is flushed into the water and synchronized with the water inlet of the washing device, and the user can adapt to the use of the faucet only in the washing device to ensure that the drying device flushes the water into the water.

Further, the control method of the laundry washing and drying machine of the embodiment includes: when the drying device needs to wash the heat exchange element filtering device before starting the drying or after the drying is completed, when the washing device is not detected, The control device controls the outlet end of the inlet valve communicating with the flushing water passage to open, and simultaneously controls the flushing control device to conduct the flushing water passage to introduce the influent water to the heat exchange element filtering device. In the control method of the embodiment, when the drying device is operated independently and the influent water is required to be flushed, the outlet end that controls the inlet valve and the flushing waterway is opened, and the flushing control device is controlled to conduct the flushing waterway.

Embodiment 5

As shown in FIG. 2 , the embodiment further combines the solution of the first embodiment with the solution of the first embodiment, and provides a method for performing the wire cleaning of the condenser filter device by adopting two ways: the water inlet of the washing device and the drainage of the washing device. Washing and drying machine, specifically:

The washing apparatus of the embodiment further includes a drain water passage, and the condenser filter device is connected to the drain water passage through the connecting pipe, and is configured to discharge the flushing water flushing the condenser filter device through the drain water passage.

Further, the drainage waterway includes a first drain pipe and a second drain pipe: one end of the first drain pipe communicates with the outer cylinder, and the other end communicates with the condenser filter device, and one end of the second drain pipe communicates with the outer cylinder. The other end is connected to the outside of the casing; the first drain pipe and / or the second drain pipe is provided with a drainage control device;

Preferably, the drainage control device is a drain valve:

Further, the drying device is disposed at an upper portion of the laundry device, and the drainage water path is provided with a circulation pump for driving a drainage cycle of the laundry device to a condenser filter device for performing wire scraping;

Preferably, the circulation pump is disposed on the first drain pipe and between the drain valve and the condenser filter device.

The embodiment relates to the control method of the laundry washing and drying machine, and the control for the water flushing of the washing device and the drainage flushing of the washing device is as follows:

When the laundry device has a turbidity sensor, when the turbidity sensor detects that the water discharged from the laundry device meets the turbidity requirement, then the flushing of the drain by the laundry device is controlled.

When the laundry device runs the multiple rinsing program, the last rinsing drain is controlled to the condenser filter device for swarf rinsing.

When neither of the above conditions is met, the water entering the washing device is controlled to enter the flushing water path for the wire cleaning of the condenser filtering device.

Embodiment 6

As shown in FIG. 3, a laundry washing and drying machine of the embodiment includes:

Housing 1;

The laundry device 10 includes an outer cylinder for holding water.

Also included is a flushing water passage 13 for flushing the lint on the heat exchange element filtering device, the water outlet end of the flushing water passage is in communication with the outer cylinder of the washing device 10, and the flushing water for flushing the heat exchange element filtering device 2 is introduced into the outer cylinder Inside.

For the case where the heat exchange element filtering device 2 is introduced by using the water in the washing device or the independent water inlet into the flushing water path 13, since the flushing water is relatively clean, the flushing water after flushing the heat exchange element filtering device 2 can be introduced into the washing device 10 In the outer and outer cylinders, they are used twice or discharged through the drainage system of the washing device.

Further, the flushing waterway of the embodiment includes a first water outlet end 16 and a second water outlet end, the first water outlet end 16 is in communication with the outer cylinder of the washing device 10, and the first water outlet end 16 is provided with a first control. The valve 15 is configured to discharge flushing water of the flushing condenser filter device to the outside of the casing, and a second control valve is disposed on the second water outlet end.

The flushing waterway of the embodiment includes two water outlet ends of the first water outlet end 16 and the second water outlet end, and the discharge of the flushing water is realized by controlling the corresponding outlet end of the water outlet.

Further, the laundry device of the embodiment further includes a drain water passage, and the second water outlet end communicates with the drain water passage through the connecting pipe, and is used for discharging the flushing water of the flushing condenser filter device to the outside of the casing through the drain water passage. .

Specifically, the drainage waterway according to the embodiment includes a first drain pipe 5 and a second drain pipe 6: one end of the first drain pipe 5 communicates with the outer cylinder, and the other end communicates with the flush water channel 13, and one end of the second drain pipe 6 Connected to the outer cylinder, the other end is connected to the outside of the casing; the first drain pipe and / or the second drain pipe is provided with a drainage control device 8;

Preferably, the drainage control device 8 is a drain valve:

The drainage of the laundry device of the embodiment can be flushed by the first drainage waterway into the flushing waterway to perform the flushing of the condenser filter, thereby realizing the purpose of flushing the condenser filtering device by using the drainage of the washing device, and realizing the secondary drainage of the washing device. Utilization saves water resources.

In this embodiment, the second water outlet end of the flushing waterway is in communication with the second drain pipe, and the flushed flushing water is discharged through the second drain pipe 6.

The drying device of the embodiment is disposed at an upper portion of the laundry device, and the drainage water path is provided with a circulation pump for driving the drainage cycle of the laundry device to the condenser filtering device for swarf cleaning; preferably, the The circulation pump is disposed on the first drain pipe and between the drain valve and the condenser filter device.

A laundry washing and drying machine of the embodiment further comprises a wire filtering device, wherein the wire filtering device is disposed on a flushing waterway between the outer cylinder and the condenser filtering device, or is detachably mounted on the outer cylinder And corresponding to the water outlet end of the flushing waterway. The chip filter device collects and collects the lint in the flushing water to ensure the cleanliness of the water entering the outer tube of the washing device.

The embodiment also provides a control method for the laundry washing and drying machine, and the laundry washing and drying machine includes a control device for controlling the operation of the clothes drying device and the laundry device, and the drying device needs to wash the condenser filter device, the tap water The flushing water path enters the condenser filtering device for flushing, and the control device controls the water outlet end of the flushing waterway to communicate with the outer cylinder to conduct, and the flushed tap water is introduced into the outer cylinder of the washing device.

When using a clean washing device to enter the water or externally inlet water for the condenser filter device to flush, the flushing water can be considered for secondary use of the washing device because of the higher cleanliness of the washing water, and the wire filtering device can also be added. The secondary use of the swarf after filtration can also be discharged through the drainage system of the laundry device.

Further, when the laundry device is in operation, it is determined whether the laundry device is in the washing process, and if so, controlling the first control valve to open, introducing the flushed tap water into the outer cylinder of the laundry device, and if not, controlling the second control The valve is opened, and the tapped tap water is discharged to the outside of the casing;

When the laundry device is not operating, the second control valve is controlled to be opened, and the flushed tap water is discharged to the outside of the casing.

Example 7

As shown in FIG. 4, a laundry washing and drying machine of the embodiment includes:

Housing 1;

The laundry device includes a drainage waterway;

Also included is a water storage tank 17 in communication with the drain water passage of the laundry device, a control valve is disposed between the water storage tank 17 and the drain water passage, and the water storage tank 8 is communicated to the heat exchange element filtering device through the connecting pipe 18.

In this embodiment, the drainage of the laundry device is collected by the water storage tank 8, and according to the needs of the drying device, the water stored in the water storage tank is discharged to the filtering device of the heat exchange element for flushing, and the drainage of the laundry device is temporarily stored through the water storage tank. In this way, the drying device can be selected to perform the flushing of the heat exchange element filtering device according to the need, and is not subject to the program of the washing device, and is more flexible, and the drying device and the washing device are each more independent.

The laundry device 10 of the present embodiment includes an outer cylinder for holding water, and the drain water passage includes a first drain pipe 5 and a second drain pipe 6: one end of the first drain pipe 5 communicates with the outer cylinder, and the other end It is in communication with the water storage tank 17, and one end of the second drain pipe 6 communicates with the outer cylinder, and the other end opens to the outside of the casing 1. The drain valve is disposed on the first drain pipe 5.

Further, the drying device 11 is disposed at an upper portion of the laundry device 10, and the connecting pipe is provided with a circulation pump 7 for driving the water storage in the water storage tank 17 to the condenser filtering device 2 for chip scraping. .

In order to maintain a certain water level in the water storage tank, a water level detecting device is disposed in the water storage tank 17 according to the embodiment, and the laundry washing and drying machine includes a control device 12 for controlling the operation of the clothes drying device and the laundry device. The water level detecting device is electrically connected to the control device 12; the control device 12 controls the control valve and the circulation pump to be turned on/off according to the water level in the water storage tank detected by the water level detecting device.

In order to maintain a certain water level in the water storage tank, the water storage tank 17 defines a water outlet and an overflow port, and the connecting pipe 18 communicates with the water outlet, and the overflow port communicates with the drainage waterway, when the water storage tank After the water is filled, the water discharged from the washing device flows out through the overflow port and is discharged through the drain water channel.

The condenser filter device 2 of the embodiment is connected to the third drain pipe 4, and the third drain pipe 4 is in communication with the second drain pipe 6; preferably, the third drain pipe 4 is provided with a third Drain valve 3.

The laundry device of the embodiment includes an inflow water passage for washing water into the water;

The laundry washing and drying machine further includes a flushing waterway 13 connected to the water inlet water passage of the washing device, and the flushing waterway 13 is provided with a flushing control device 14, the flushing waterway 13 is connected to the condenser filtering device 2, and the flushing waterway is controlled by the flushing control device 14. 13 conduction introduces the water in the washing device into the condenser filter device 2 to flush the wire scraps.

As shown in FIG. 5, further, the washing device includes an outer cylinder for holding water, and the water outlet end of the flushing water passage communicates with the outer cylinder of the washing device for introducing the flushing water of the flushing condenser filter device. Into the outer cylinder.

The embodiment simultaneously provides a control method for the laundry washing and drying machine, and the laundry washing and drying machine comprises a control device for controlling the operation of the clothes drying device and the laundry device:

When the washing device performs drainage, when the discharged water meets the turbidity requirement, the control device controls the control valve to open and discharge the water discharged from the washing device into the storage tank for storage;

When the drying device needs to flush the condenser filter device, the control device controls the circulation pump to open and circulate the water stored in the water storage tank to the condenser filter device for wire scraping.

Further, when the drying device is not operated within the set time T, the control device controls the circulation pump and the third drainage valve to open, and the stored water in the water storage tank is circulated to the condenser filtering device for swarf washing, and the washed water Discharged through the drainage channel.

It should be understood by those skilled in the art that the above-described embodiments of the present invention can be implemented independently or in combination with each other.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and any technology that is familiar with the present patent. Those skilled in the art can make some modifications or modifications to equivalent embodiments by using the technical content of the above-mentioned hints without departing from the technical scope of the present invention, but the technology according to the present invention does not deviate from the technical solution of the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments are still within the scope of the present invention.

Claims

A laundry washing and drying machine, characterized in that it comprises:

case;

a laundry device and a drying device that are independently installed in the housing;

The drying device comprises a heat exchange element and a heat exchange element filtering device;

The laundry device includes an inflow water passage for washing water into the water;

The utility model further comprises a flushing waterway connected with the water inlet waterway of the washing device, a flushing control device is arranged on the flushing waterway, the flushing waterway is connected to the heat exchange component filtering device, and the flushing waterway is controlled by the flushing control device to introduce the water inflow into the washing device. The heat element filter unit is flushed.
The laundry washing and drying machine according to claim 1, wherein the inlet water passage comprises an inlet valve and an inlet pipe, one end of the inlet pipe is connected to the inlet valve, and the other end is externally connected to the faucet; The waterway is connected to the inlet valve or the inlet pipe.
The laundry washing and drying machine according to claim 1 or 2, wherein the washing device further comprises a drain water passage, and the condenser filter device communicates with the drain water passage through the connecting pipe for flushing The flushing water of the heat exchange element filtering device is discharged through the drain water path.
A laundry washing and drying machine according to claim 3, wherein said drain water passage comprises a drain pipe communicating with the outer cylinder of the laundry device and a drain valve disposed on the drain pipe, said connection The pipe is connected to a drain pipe located at a position downstream of the drain valve; a control valve is disposed on the connecting pipe.
The laundry washing and drying machine according to claim 3 or 4, wherein the drain water passage comprises a first drain pipe and a second drain pipe: one end of the first drain pipe communicates with the outer cylinder, and the other end Connected to the heat exchange element filtering device, one end of the second drain pipe communicates with the outer cylinder, and the other end opens to the outside of the casing; the first drain pipe and/or the second drain pipe is provided with a drainage control device;

Preferably, the drainage control device is a drain valve:

a first drain valve is disposed on the first drain pipe, and a second drain valve is disposed on the second drain pipe;

Alternatively, the drain valve includes a water inlet end and two water outlet ends, the water inlet end is in communication with the outer cylinder, and the two water outlet ends are respectively in communication with the first drain pipe and the second drain pipe.
A clothes washing and drying machine according to claim 5, wherein said clothes drying device is disposed at an upper portion of the laundry device, and said drain water passage is provided with a drainage cycle for driving the washing device to heat exchange a circulation pump at the component filter device;

Preferably, the circulation pump is disposed on the first drain pipe and between the drain valve and the heat exchange element filtering device.
A control method for a laundry washing and drying machine according to any one of claims 1 to 6, wherein the laundry washing and drying machine comprises a control device for controlling the operation of the clothes drying device and the laundry device, and the drying device is required When the heat exchange element filtering device is flushed, the control device controls the flushing control device to conduct the flushing water passage, and introduces the water in the washing device into the heat exchange element filtering device.
The control method of the laundry washing and drying machine according to claim 7, wherein the drying device is required to wash the heat exchange element filtering device before starting the drying or after the drying is completed, when the laundry device is detected The water control device controls the flushing control device to conduct the flushing water passage, and introduces the water in the washing device into the heat exchanger element filtering device.
The control method of the laundry washing and drying machine according to claim 7, comprising: when the drying device needs to flush the condenser filtering device, when the washing device is not detected, the control device controls and flushes the waterway The outlet end of the connected inlet valve is opened, and the flushing control device is controlled to conduct the flushing water passage, and the influent water is introduced into the heat exchange element filtering device for flushing.
The control method of the laundry washing and drying machine according to claim 7, wherein the drying device is required to wash the heat exchange element filtering device before starting the drying or after the drying is completed, when the laundry device is detected to be drained When the control device controls the drainage control device to discharge the water discharged from the washing device to the heat exchange element filtering device;

Preferably, the drying device needs to flush the heat exchange element filtering device before starting the drying or after the drying is completed, and when detecting that the washing device is performing the rinsing drainage, the control device controls the drainage control device to rinse the discharging device The water is discharged to the heat exchange element filtering device for scraping;

Further preferably, when the washing device performs a plurality of rinsing, the control device controls the washing device to discharge the rinsing water discharged from the washing device to the heat exchange element filtering device for swarf washing when performing the last rinsing drainage;

When the laundry device performs only one rinsing, the control device controls the rinsing drain of the laundry device to be directly discharged by the drain water passage.