CN111719287A - Washing machine and control method thereof - Google Patents
Washing machine and control method thereof Download PDFInfo
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- CN111719287A CN111719287A CN201910159590.5A CN201910159590A CN111719287A CN 111719287 A CN111719287 A CN 111719287A CN 201910159590 A CN201910159590 A CN 201910159590A CN 111719287 A CN111719287 A CN 111719287A
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Abstract
The invention belongs to the technical field of washing machines, and particularly relates to a washing machine, which comprises a motor, a motor and a control device, wherein the motor is used for providing power for the operation of the washing machine; the water storage tank is arranged in the tank body of the washing machine; a water treatment device connected with the water storage tank for treating the water entering or stored in the water storage tank and adjusting the parameters or/and the performance of the water for at least rinsing. The washing machine can correspondingly select the water which is treated by the water treatment device and stored in the water storage tank to enter the outer cylinder according to the requirement of the operation program, thereby reducing the loss of the water treatment device, simplifying the internal structure of the washing machine or saving the operation time of the washing machine program. The invention also relates to a control method of the washing machine.
Description
Technical Field
The invention belongs to the technical field of washing machines, and particularly relates to a washing machine and a control method thereof.
Background
The motor of the washing machine can generate a large amount of heat in the operation process, and the motor stops running due to insufficient heat dissipation of the motor, so that the operation stability of the washing machine is influenced. In order to solve the problem, the heat dissipation of the motor is generally increased. However, the prior art does not effectively utilize the heat emitted by the motor, which causes energy waste.
The present invention has been made in view of this situation.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a washing machine and a control method thereof.
In order to solve the technical problems, the invention adopts the technical scheme that:
a washing machine comprising:
a motor for providing power for the operation of the washing machine;
the water storage tank is arranged in the tank body of the washing machine;
a water treatment device connected with the water storage tank for treating the water entering or stored in the water storage tank and adjusting the parameters or/and the performance of the water for at least rinsing.
In one embodiment, the water treatment device is a heat exchange device for increasing the water temperature through heat exchange or/and a water softening device for reducing the water hardness.
As an embodiment, the heat exchange device is arranged at the motor; the water storage tank and the heat exchange device can form a circulating water flow, and the circulating water flow absorbs the heat emitted by the motor when flowing through the heat exchange device and enables the water heated by heat exchange to return to the water storage tank.
In one embodiment, the water softening device is disposed between the external water source and the water storage tank, so that water entering the water storage tank from the external water source is softened and stored in the water storage tank for at least rinsing.
As an embodiment, a first water path and a second water path are provided, the first water path is sequentially connected with an external water source, a detergent box and an outer cylinder of the washing machine, and the second water path is sequentially connected with the external water source, a water storage tank and the outer cylinder of the washing machine;
the washing machine controls the first water path or the second water path to feed water according to the running washing or rinsing process.
As an implementation mode, the heat exchange device is arranged at the shell of the motor in a surrounding or wrapping or inserting manner and is provided with a water inlet and a water outlet which are connected with the water storage tank, and water in the water storage tank and the motor are circulated into the water storage tank after heat exchange and temperature rise;
the water storage tank is provided with a water inlet and a water outlet, the water inlet of the water storage tank is connected with an external water source through a control valve, and the water outlet is connected with the outer barrel of the washing machine through a control valve or a control pump.
As an implementation manner, a temperature sensor and a water level sensor are arranged inside the water storage tank, and the temperature sensor and the water level sensor are respectively and electrically connected with a controller of the washing machine so as to feed back the water temperature or the water level in the water storage tank in real time.
Another object of the present invention is to provide a control method of a washing machine, in which the washing machine is provided with a water storage tank and a water treatment device, the water entered or stored in the water storage tank is treated by the water treatment device, and parameters or/and properties of the water are adjusted to be used at least for rinsing.
As one embodiment, the washing machine executes a program including a washing course and N rinsing courses, and controls the water treatment device to treat water introduced into or stored in the water storage tank while the washing course and the previous N-1 rinsing courses are executed.
In one embodiment, the water treatment device is controlled to heat and/or soften water entering or stored in the water storage tank.
As an embodiment, when the washing process and the first N-1 times of rinsing processes are performed, the washing machine is controlled to feed water into the tub of the washing machine by using an external water source, and when the Nth time of rinsing processes is performed, the washing machine is controlled to feed water into the tub of the washing machine by using water treated by the water treatment device in the water storage tank.
As an embodiment, the washing machine is provided with a first water path for connecting an external water source and a detergent box to an outer barrel of the washing machine, and a second water path for connecting the external water source and a water storage tank to the outer barrel, wherein the water storage tank is in on-off controllable connection with a heat exchange device arranged at a motor;
the washing machine is characterized in that water is fed into the water storage tank from an external water source while or before the washing process and the previous N-1 times of rinsing processes are executed, after the water is fed, the water storage tank is controlled to be communicated with the heat exchange device so that the water in the water storage tank and the motor exchange heat and are heated to a set temperature, and the water is stored in a heat preservation mode for standby.
As an embodiment, when the washing process and the previous N-1 times of rinsing processes are executed, the water inlet flow of the washing machine is controlled to feed water to the outer cylinder along the first water path, and when the Nth time of rinsing processes is executed, the water stored in the water storage tank and heated through heat exchange is controlled to completely enter the outer cylinder.
As an implementation mode, when the washing process and the first N-1 times of rinsing processes are executed or before the washing machine starts to wash, the washing machine obtains the set water quantity required by the rinsing process according to the weighing information of the clothes, and water is fed into the water storage tank from an external water source to the set quantity.
As an embodiment, the water treatment device comprises a water softening device, the water softening device is arranged between an external water source and the water storage tank in the second water path to soften inlet water entering the water storage tank for heating;
as an implementation mode, when the washing machine detects that water in the water storage tank reaches a set amount, the water inlet of an external water source into the water storage tank is stopped, the water storage tank is controlled to be communicated with the heat exchange device to carry out heat exchange and temperature rise, the water temperature in the water storage tank is detected in real time, and when the water storage tank is judged to reach the set temperature, the water storage tank is disconnected with the heat exchange device, the heat exchange and temperature rise is stopped, and the water storage tank.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
the washing machine can correspondingly select the water which is treated by the water treatment device and stored in the water storage tank to enter the outer cylinder according to the requirement of the operation program, thereby reducing the loss of the water treatment device, simplifying the internal structure of the washing machine or saving the operation time of the washing machine program.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic view of a washing machine according to the present invention;
FIG. 2 is another structural view of the washing machine according to the present invention;
FIG. 3 is a schematic flow chart of a control method of the washing machine according to the present invention;
FIG. 4 is a schematic flow chart of another control method of the washing machine according to the present invention;
fig. 5 is a schematic view of still another structure of the washing machine according to the present invention.
The figure is marked with: 1. a detergent box; 2. a water storage tank; 3. a heat exchange device; 4. a motor; 5. an outer cylinder; 6. an inner barrel; 7. a temperature sensor; 8. a water softening device; 9. a water level sensor.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, 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 for illustrating the present invention and 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 "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention provides a washing machine, comprising: a motor 4 for providing power for the operation of the washing machine;
a water storage tank 2 arranged in the box body of the washing machine;
a water treatment device connected to the water tank 2 for treating the water entering or stored in the water tank 2, adjusting the parameters or/and the properties of the water at least for rinsing.
The washing machine uses at least the water stored in the storage tank 2 after the parameters or/and performance are adjusted by the water treatment device for rinsing.
As an embodiment, the water treatment device treats the water entering or stored in the water storage tank 2 when the washing machine performs a washing process or a rinsing process, and adjusts parameters or/and properties of the water to be used at least for rinsing.
As an embodiment, the water stored in the water storage tank 2 after the parameters and/or performance of the water treatment device are adjusted is completely supplied to the tub 5 when the washing machine performs the last rinsing, and is completely discharged to the outside when the operation of the washing machine is stopped.
The water treatment device can be any equipment for improving parameters and performances of washing or rinsing water in the technical field of washing machines, for example, one or more of equipment for changing the temperature, the pH value, the ion content or the water hardness of water can be used in combination.
The invention also provides a control method of the washing machine, the washing machine in the method is provided with a water storage tank 2 and a water treatment device, the water entering or stored in the water storage tank 2 is treated by the water treatment device, and parameters or/and performance of the water are adjusted to be at least used for rinsing.
The parameters or/and properties of the water in the above method may be adjusted by one or more of the combination of temperature, ph, ion content or hardness of the water.
Reference will now be made in detail to some embodiments of the present invention, examples of which are illustrated in the accompanying drawings, so that the present invention can be better understood. The various embodiments described below can be combined in an appropriate manner to arrive at further embodiments.
Example 1
A washing machine, as shown in fig. 1, comprising:
a motor 4 for providing power for the operation of the washing machine;
the heat exchange device 3 is arranged at the motor 4;
a water storage tank 2 provided in a cabinet of the washing machine to store water for at least rinsing;
a circulating water flow can be formed between the water storage tank 2 and the heat exchange device 3, and the circulating water flow absorbs the heat emitted by the motor 4 when flowing through the heat exchange device 3 and enables the water heated by heat exchange to return to the water storage tank 2.
The washing machine is provided with a first water path and a second water path, the first water path is sequentially connected with an external water source, a detergent box 1 and an outer barrel 5 of the washing machine, and the second water path is sequentially connected with the external water source, a water storage tank 2 and the outer barrel 5 of the washing machine;
the washing machine controls the first water path or the second water path to feed water according to the running washing or rinsing process.
Specifically, when the washing machine performs a washing process or a non-final rinsing process, the inflow water washes and brings the detergent or the like placed in the detergent box 1 into the outer tub 5, and during the final rinsing process, the washing machine controls the water heated by the heat exchange stored in the water storage tank 2 of the second waterway to be used for rinsing, thereby improving a rinsing effect and reducing a moisture content in the laundry.
The water storage tank 2 is provided with a water inlet and a water outlet, the water inlet of the water storage tank 2 is connected with an external water source through a control valve, and the water outlet is connected with an outer barrel 5 of the washing machine through a control valve or a control pump.
Preferably, the water inlet of the heat exchange device 3 is connected with the bottom of the water storage tank 2, and the water outlet of the heat exchange device 3 is connected with the upper part of the water storage tank 2, so that the heat exchange efficiency of cold water and hot water is improved.
The inside or/and the outside of the water storage tank 2 is/are provided with a heat insulation layer, and the heat insulation layer is made of a foaming polyurethane material or heat insulation cotton.
A plurality of different parts inside the water storage tank 2 are respectively provided with a temperature sensor 7, and each temperature sensor 7 is electrically connected with a controller of the washing machine so as to feed back the water temperature in the water storage tank 2 in real time.
The following describes a specific operation of the washing machine according to the present invention:
the user starts the washing machine, the washing machine will execute washing or rinsing for the first N-1 times, a control valve (valve A) arranged between an external water source and the detergent box 1 is opened, the washing machine starts to feed water from the external water source to the outer barrel 5 through the detergent box 1 according to the first water path, and after the water feeding is finished, the washing or rinsing is carried out.
When the washing machine performs washing and the previous N-1 times of rinsing, or before the washing is performed, a control valve (valve B) arranged between an external water source in the second water path and a water inlet of the water storage tank 2 is opened, a water outlet of the water storage tank 2 or a control valve or a pump (valve C or pump A) arranged on a pipeline connected with the outer barrel 5 is closed, the external water source is controlled to feed water into the water storage tank 2 until a set amount is reached, at the moment, the valve B is closed, and the valve C or the pump A is completely closed.
Then, a valve D or a pump B arranged between the water storage tank 2 and a water inlet of the heat exchange device 3 is opened to enable a circulation loop between the water storage tank 2 and the heat exchange device 3 to be communicated, water circulation flow of the water storage tank 2 passes through the heat exchange device 3 and absorbs heat emitted by the motor 4, water heated through heat exchange returns to the water storage tank 2, a temperature sensor 7 is arranged inside the water storage tank 2 to detect water temperature in real time, when the set temperature is reached, the valve D or the pump B arranged between the water storage tank 2 and the water inlet of the heat exchange device 3 is closed to enable the circulation loop between the water storage tank 2 and the heat exchange device 3 to be disconnected, hot water heated to the set temperature through heat exchange is stored in the water storage tank 2, and the washing machine waits for.
When the washing machine starts to execute the Nth rinsing process, a water outlet of the water storage tank 2 or a valve C or a pump A arranged on a pipeline of the water storage tank connected with the outer cylinder 5 is opened, all hot water in the water storage tank 2 is used for the Nth rinsing process, and finally the hot water is discharged to the outside in the water discharging process of the washing machine. When the operation of the washing machine is finished, no water remains in the water storage tank 2.
Another object of the present invention is to provide a control method of a washing machine, which cools a motor 4 of the washing machine using intake water and uses water heated by heat exchange with the motor 4 in a rinsing process of the washing machine.
The program executed by the washing machine comprises a washing process and N times of rinsing processes, when the washing process and the first N-1 times of rinsing processes are executed, the washing machine is controlled to feed water into the outer barrel 5 of the washing machine by using an external water source, and when the Nth time of rinsing processes is executed, the washing machine is controlled to feed water into the outer barrel 5 of the washing machine by using water subjected to heat exchange and temperature rise with the motor 4.
In the control method, the washing machine is provided with a first water path for connecting an external water source, a detergent box 1 and an outer cylinder 5 of the washing machine, and a second water path for connecting the external water source, a water storage tank 2 and the outer cylinder 5, wherein the water storage tank 2 is connected with a heat exchange device 3 arranged at a motor 4 in a controllable on-off manner;
as an embodiment, referring to fig. 3, when the washing process and the first N-1 rinsing processes are performed, the water inlet flow of the washing machine is controlled to inlet water into the outer tub 5 along the first water path, the water storage tank 2 is communicated with the heat exchange device 3 to heat the water in the water storage tank 2 and the motor 4 for heat exchange and temperature rise;
when the Nth rinsing process is executed, the water stored in the water storage tank 2 and heated by heat exchange enters the outer cylinder 5.
In one embodiment, when the washing process and the first N-1 rinsing processes are performed or before the washing machine starts washing, the washing machine obtains a set amount of water required for the rinsing process according to the weighing information of the laundry, and supplies water into the water storage tank 2 to the set amount.
A water level sensor 9 and a temperature sensor 7 are arranged inside the water storage tank 2, and the water level sensor 9 and the temperature sensor 7 are respectively and electrically connected with a controller of the washing machine so as to feed back the water level or the water temperature in the water storage tank 2 in real time;
the controller compares the detected water level with a set water level, when the water level reaches the set water level, the water inlet of an external water source into the water storage tank 2 is stopped, the water storage tank 2 is controlled to be communicated with the heat exchange device 3 to carry out heat exchange and temperature rise, the controller detects the water temperature in the water storage tank 2 and compares the water temperature with the set temperature, and when the water temperature reaches the set temperature, the water storage tank 2 is disconnected with the heat exchange device 3 to stop heat exchange and temperature rise and keep warm for later use.
Preferably, temperature sensors 7 are arranged at different positions in the water storage tank 2, after water is fed to a set amount, each temperature sensor 7 detects the water temperature corresponding to the alignment and transmits the water temperature to the controller, the controller judges whether the difference value of the water temperatures falls into a set range, and if not, the controller does not judge whether the set water temperature is reached; if yes, comparing with the set temperature, and when the set temperature is reached, disconnecting the pipeline between the water storage tank 2 and the heat exchange device 3, and stopping heat exchange between the water in the water storage tank 2 and the motor 4 for temperature rise.
The washing machine provided by the invention heats the inlet water by utilizing the heat generated by the operation of the motor, the heat dissipation effect of the motor is increased, the motor is prevented from stalling due to insufficient heat dissipation, high-temperature water rinsing can be realized without additionally arranging a heating device, the clothes are washed cleanly and healthily, the water content of the clothes is reduced due to the high-temperature water rinsing, the clothes are dried more easily, and the use experience of a user is good.
Example 2
The embodiment is a further optimization of embodiment 1, and the washing machine is further provided with a water softening device 8 on the basis of embodiment 1, wherein the water softening device 8 is arranged between an external water source in the second water path and the water storage tank 2 to soften the inlet water entering the water storage tank 2 for heating.
The washing machine of the embodiment also further solves the problem that impurities in water remain on the laundry after high-temperature washing or high-temperature rinsing, which causes the laundry to be hardened.
As shown in fig. 2, the water softening device 8 is disposed between the external water source and the water storage tank 2 in the second water path, a water inlet of the water softening device 8 is connected with the external water source through a control valve, and a water outlet is connected with a water inlet of the water storage tank 2.
The invention also aims to provide a control method of the washing machine, the washing machine comprises a water storage tank 2, a first water path and a second water path are arranged, the first water path is sequentially connected with an external water source, a detergent box 1 and an outer barrel 5 of the washing machine, the second water path is sequentially connected with the external water source, the water storage tank 2 and the outer barrel 5 of the washing machine, the water storage tank 2 is connected with a heat exchange device 3 in a controllable on-off mode, water in the water storage tank 2 exchanges heat with a motor 4 to heat, the heated water circulates back to the water storage tank 2, and a water softening device 8 is arranged between the external water source and the water storage tank 2 in the second water path to soften the water entering the water storage tank 2 and then heats.
The washing machine performs a program including a washing process and N rinsing processes, and controls water supplied from the first waterway to the tub 5 when the washing process and the first N-1 rinsing processes are performed.
Referring to fig. 4, when the washing process and the previous N-1 rinsing processes are performed or before the washing machine starts to wash, the washing machine obtains a set amount of water required for the rinsing process according to the weighing information of the laundry, and supplies water to the water storage tank 2 to a set amount after being softened by the water softening device 8.
And when the washing process and the previous N-1 times of rinsing processes are executed, when the water inflow of the washing machine enters the outer barrel 5 along the first water path, the water storage tank 2 is controlled to be communicated with the heat exchange device 3 so as to enable the water in the water storage tank 2 to exchange heat with the motor 4 and heat up, and then when the Nth time of rinsing processes are executed, the water in the water storage tank 2 of the second water path is controlled to enter the outer barrel 5 for high-temperature rinsing.
As an example, referring to fig. 3, the control method of the washing machine specifically includes the following steps:
s1, starting the washing machine, wherein the running program of the washing machine comprises a washing process and N rinsing processes;
s2, weighing the washing machine and determining the set water quantity required by the washing process and the set water quantity required by the rinsing process according to the weighing result;
s3, controlling the washing machine to feed water into the water storage tank 2 through a second water path which is sequentially connected with an external water source and the water softener 8 according to the obtained set water amount required by the rinsing process, communicating the heat exchange device 3 with the water storage tank 2, starting heat exchange, raising the temperature and feeding water to the set temperature for later use;
s4, the washing machine controls the water from the first water path to the outer cylinder 5 according to the set water amount needed by the washing process, and the washing is carried out;
s5, the washing machine finishes washing and enters a rinsing process, and the washing machine judges whether to finish the rinsing process for N-1 times or not;
if yes, controlling the water storage tank 2 to be communicated with the outer cylinder 5, and rinsing with high-temperature water;
if not, controlling the first water channel to feed water, and carrying out normal-temperature rinsing.
Example 3
This example is a further optimization of example 1 or example 2.
The water storage tank 2 absorbs heat emitted by the motor 4 through the heat exchange device 3, after the temperature rises to a first set temperature, the circulation loop between the water storage tank 2 and the heat exchange device 3 is controlled to be disconnected, heat exchange is stopped, the temperature rises, and heat preservation storage is carried out for standby.
The nth rinsing process executed by the washing machine has the second set temperature, and if the first set temperature and the second set temperature are the same value, the hot water with the first set temperature in the water storage tank 2 is controlled to enter the outer tub 5 for rinsing.
If the first set temperature is lower than the second set temperature, the external water source is controlled to enter a certain amount of water into the water storage tank 2 until the water temperature in the water storage tank 2 reaches the second set temperature, and then water is introduced into the outer barrel 5 for rinsing.
Example 4
The present embodiment is a modification or improvement of the above embodiment, and the contents already described in the above embodiment are not repeated.
Referring to fig. 5, the present embodiment relates to a structure of a washing machine, and the water treatment device is a water softening device 8. The water softening device 8 is arranged between an external water source and the water storage tank 2, so that water entering the water storage tank 2 from the external water source is softened and stored in the water storage tank 2 for at least rinsing.
The washing machine is provided with a first water path and a second water path, the first water path is sequentially connected with an external water source, a detergent box 1 and an outer barrel 5 of the washing machine, and the second water path is sequentially connected with the external water source, a water softening device 8, a water storage tank 2 and the outer barrel 5 of the washing machine; the water softener 8 is arranged between an external water source and the water storage tank 2 in the second water channel, the water inlet of the water softener 8 is connected with the external water source through a control valve, and the water outlet is connected with the water inlet of the water storage tank 2.
The washing machine controls the first water path or the second water path to feed water according to the running washing or rinsing process.
The washing machine performs a program including a washing process and N rinsing processes, and controls inflow of water from the first waterway to the tub 5 when the washing process and the previous N-1 rinsing processes are performed, and controls inflow of water from the second waterway to the tub 5 when the nth rinsing process is performed.
A specific operation of the washing machine is described as follows:
the user starts the washing machine, the washing machine will execute washing or rinsing for the first N-1 times, a control valve (valve A) arranged between an external water source and the detergent box 1 is opened, the washing machine starts to feed water from the external water source to the outer barrel 5 through the detergent box 1 according to the first water path, and after the water feeding is finished, the washing or rinsing is carried out.
When the washing machine performs washing and the previous N-1 times of rinsing, the path among the external water source, the water softening device 8 and the water inlet of the water storage tank 2 in the second water path is communicated, the water outlet of the water storage tank 2 or a control valve or pump (valve C or pump A) arranged on a pipeline connected with the outer barrel 5 is closed, the external water source is controlled to feed water into the water storage tank 2 through the water softening device 8 until the set amount is reached, at the moment, the path among the external water source, the water softening device 8 and the water inlet of the water storage tank 2 is disconnected, and the valve C or the pump A is completely closed.
When the washing machine starts to execute the Nth rinsing process, a water outlet of the water storage tank 2 or a valve C or a pump A arranged on a pipeline of the water storage tank connected with the outer cylinder 5 is opened, softened water in the water storage tank 2 is completely used for the Nth rinsing process, and finally is discharged to the outside in the water discharging process of the washing machine. When the operation of the washing machine is finished, no water remains in the water storage tank 2.
The washing machine reduces impurities in water, avoids clothes from hardening after washing, improves user use experience, uses softened water only in the last rinsing process, reduces loss of the water softening device 8, and prepares softened water when washing and rinsing for the first N-1 times, and operation time is shortened.
Referring to fig. 4, the present embodiment relates to a control method of a washing machine provided with a water storage tank 2 and a water softening device 8, and treating water introduced into the water storage tank 2 using the water softening device 8 to reduce water hardness for at least rinsing.
The washing machine performs a program including a washing process and N rinsing processes, and controls the water softening device 8 to soften water introduced into or stored in the water storage tank 2 when the washing process and the previous N-1 rinsing processes are performed.
As an example, referring to fig. 4, the control method of the washing machine specifically includes the following steps:
s1, starting the washing machine, wherein the running program of the washing machine comprises a washing process and N rinsing processes;
s2, weighing the washing machine and determining the set water quantity required by the washing process and the set water quantity required by the rinsing process according to the weighing result;
s3, the washing machine controls the second water path which is connected with the external water source and the water softening device 8 in sequence to feed water into the water storage tank 2 according to the set water amount needed by the obtained rinsing process for standby;
s4, the washing machine controls the water from the first water path to the outer cylinder 5 according to the set water amount needed by the washing process, and the washing is carried out;
s5, the washing machine finishes washing and enters a rinsing process, and the washing machine judges whether to finish the rinsing process for N-1 times or not;
if yes, controlling the water storage tank 2 to be communicated with the outer cylinder 5, and rinsing by utilizing softened water in the water storage tank 2;
if not, controlling the first water channel to feed water, and directly rinsing the water from the external water source.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A washing machine comprising:
a motor (4) for providing power for the operation of the washing machine;
it is characterized in that the preparation method is characterized in that,
a water storage tank (2) arranged in the box body of the washing machine;
a water treatment device connected with the water storage tank (2) for treating the water entering or stored in the water storage tank (2) and adjusting the parameters or/and the performance of the water at least for rinsing.
2. The washing machine according to claim 1, wherein the water treatment device is a heat exchange device (3) for increasing water temperature by heat exchange or/and a water softening device (8) for decreasing hardness of water quality.
3. Washing machine according to claim 2, characterized in that the heat exchange means (3) are provided at the electric motor (4);
a circulating water flow can be formed between the water storage tank (2) and the heat exchange device (3), and the circulating water flow absorbs the heat emitted by the motor (4) when flowing through the heat exchange device (3) and enables the water heated by heat exchange to return to the water storage tank (2).
4. Washing machine according to claim 2, characterized in that the water softening device (8) is arranged between the external water source and the storage tank (2) so that the water entering the storage tank (2) from the external water source is softened and stored in the storage tank (2) for at least rinsing.
5. A washing machine according to any of claims 1-4, characterized in that there is a first water circuit and a second water circuit, the first water circuit connects the external water source, the detergent box (1) and the outer tub (5) of the washing machine in turn, the second water circuit connects the external water source, the water storage tank (2) and the outer tub (5) of the washing machine in turn;
the washing machine controls the first water path or the second water path to feed water according to the running washing or rinsing process.
6. The washing machine as claimed in claim 5, characterized in that the heat exchange device (3) is arranged around or wrapped or inserted in the housing of the motor (4) and is provided with a water inlet and a water outlet connected with the water storage tank (2), and water in the water storage tank (2) is heated by heat exchange with the motor (4) and then circulates back to the water storage tank (2);
the water storage tank (2) is provided with a water inlet and a water outlet, the water inlet of the water storage tank (2) is connected with an external water source through a control valve, and the water outlet is connected with an outer cylinder (5) of the washing machine through a control valve or a control pump;
preferably, a temperature sensor (7) and a water level sensor (9) are arranged inside the water storage tank (2), and the temperature sensor (7) and the water level sensor (9) are respectively and electrically connected with a controller of the washing machine so as to feed back the water temperature or the water level in the water storage tank (2) in real time.
7. A control method for a washing machine, characterized in that the washing machine is provided with a water storage tank (2) and a water treatment device, by means of which water entering or stored in the water storage tank (2) is treated, and parameters or/and properties of the water are adjusted for at least rinsing.
8. The control method of a washing machine according to claim 7, wherein the program executed by the washing machine includes a washing course and N rinsing courses, and the water treatment device is controlled to treat the water entered or stored in the water storage tank (2) when the washing course and the previous N-1 rinsing courses are executed;
preferably, the water treatment device is controlled to heat up or/and soften the water entering or stored in the water storage tank (2).
9. The control method of a washing machine according to claim 8, wherein the washing machine is controlled to feed water into the tub (5) of the washing machine using an external water source when the washing course and the first N-1 rinsing courses are performed, and to feed water treated by the water treatment device in the water storage tank (2) into the tub (5) of the washing machine when the nth rinsing course is performed;
preferably, the washing machine is provided with a first water path for connecting an external water source, a detergent box (1) and an outer barrel (5) of the washing machine, and a second water path for connecting the external water source, a water storage tank (2) and the outer barrel (5), wherein the water storage tank (2) is connected with a heat exchange device (3) arranged at a motor (4) in a controllable on-off manner;
the washing machine is simultaneously or before the washing process and the previous N-1 times of rinsing processes are executed, water is fed into the water storage tank (2) from an external water source, after the water is fed, the water storage tank (2) is controlled to be communicated with the heat exchange device (3) so that the water in the water storage tank (2) and the motor (4) exchange heat and are heated to a set temperature, and the water is stored in a heat preservation mode for standby;
more preferably, when the washing process and the previous N-1 times of rinsing processes are executed, the water inlet flow of the washing machine is controlled to feed water into the outer barrel (5) along the first water path, and when the Nth time of rinsing processes is executed, all the water stored in the water storage tank (2) and heated through heat exchange enters the outer barrel (5).
10. The control method of a washing machine according to claim 9, wherein when the washing process and the previous N-1 rinsing processes are performed or before the washing machine starts to wash, the washing machine obtains a set amount of water required for the rinsing process according to the weighing information of the laundry, and water is supplied from an external water source into the water storage tank (2) to the set amount;
preferably, the water treatment device comprises a water softening device (8), and the water softening device (8) is arranged between an external water source and the water storage tank (2) in the second water path to soften the inlet water entering the water storage tank (2) for heating;
more preferably, when the washing machine detects that water in the water storage tank (2) reaches a set amount, the water stops entering the water storage tank (2) from an external water source, the water storage tank (2) is controlled to be communicated with the heat exchange device (3) to carry out heat exchange and temperature rise, the water temperature in the water storage tank (2) is detected in real time, and when the water storage tank (2) is judged to reach the set temperature, the water storage tank (2) is disconnected from the heat exchange device (3), the heat exchange and temperature rise are stopped, and the heat preservation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910159590.5A CN111719287A (en) | 2019-03-04 | 2019-03-04 | Washing machine and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910159590.5A CN111719287A (en) | 2019-03-04 | 2019-03-04 | Washing machine and control method thereof |
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| CN111719287A true CN111719287A (en) | 2020-09-29 |
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| CN201910159590.5A Pending CN111719287A (en) | 2019-03-04 | 2019-03-04 | Washing machine and control method thereof |
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| CN113355871A (en) * | 2021-06-11 | 2021-09-07 | 珠海格力电器股份有限公司 | Door body washing mechanism with water storage structure and washing device |
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