CN107687079B - Clothes dryer and control method - Google Patents
Clothes dryer and control method Download PDFInfo
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- CN107687079B CN107687079B CN201610634147.5A CN201610634147A CN107687079B CN 107687079 B CN107687079 B CN 107687079B CN 201610634147 A CN201610634147 A CN 201610634147A CN 107687079 B CN107687079 B CN 107687079B
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- clothes dryer
- steam generator
- clothes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/203—Laundry conditioning arrangements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/30—Drying processes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/50—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to heat pumps, e.g. pressure or flow rate
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/26—Heat pumps
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/206—Heat pump arrangements
Abstract
The invention relates to a clothes dryer and a control method thereof, wherein the clothes dryer is provided with a steam generator, and an air outlet of the steam generator is respectively communicated with an outer cylinder and a sprayer arranged above an evaporator through a pipeline, so that steam can controllably flow to the outer cylinder and/or the evaporator. In the initial working stage of the clothes dryer, all the steam generated by the steam generator flows to the evaporator of the clothes dryer, the steam transfers heat to the evaporator, and the heat is released by the condenser under the action of the compressor after the evaporator is heated, so that the overall working efficiency of the heat pump system is improved, and the heating speed of the clothes dryer is increased. In the normal steam treatment process of the clothes dryer, the non-gasified water automatically flows into the sprayer arranged above the evaporator under the action of gravity to spray the evaporator, remove thread scraps attached to the evaporator and sterilize the evaporator and surrounding parts thereof. Meanwhile, the invention has simple structure and obvious effect and is suitable for popularization and use.
Description
Technical Field
The invention relates to a clothes dryer in the field of washing, in particular to a clothes dryer capable of quickly heating and a control method of the clothes dryer.
Background
The existing clothes dryer is a machine for drying washed clothes or directly integrating washing and drying functions.
For example, chinese patent application No. 201410406212.X, which introduces a heat pump system, a washing and drying integrated machine, and a clothes dryer. The heat pump system comprises an evaporator, a compressor, a condenser and a refrigerant adjusting subsystem, wherein the evaporator, the compressor, the condenser and the refrigerant adjusting subsystem are sequentially communicated through a pipeline to form a refrigerant circulating loop; the first branch comprises a first throttling device and a liquid storage device, wherein the outlet of the first throttling device is connected with the inlet pipe orifice of the evaporator; and a second throttling device is connected in series on the second branch.
In the prior art, a steam washing function is realized, and according to the technology, a steam generator is additionally arranged on the clothes dryer, so that the clothes dryer also has the steam washing function.
However, the temperature of the clothes dryer is increased slowly in the initial working stage, so that the clothes drying speed of the clothes dryer is low, and the starting energy consumption is high.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a clothes dryer to achieve the aim of quickly heating the clothes dryer; another purpose is to realize the purpose of cleaning thread scraps by spraying the evaporator in the clothes dryer.
In order to solve the technical problems, the invention adopts the technical scheme that:
a clothes dryer is provided with a steam generator, wherein an air outlet of the steam generator is respectively communicated with an outer cylinder and a sprayer arranged above an evaporator through pipelines, so that steam can controllably flow to the outer cylinder and/or the evaporator.
Further, the gas outlet of the steam generator is communicated with one end of the first pipeline, the other end of the first pipeline is communicated with the first branch pipe and the second branch pipe respectively, the first branch pipe is communicated with the outer barrel, and the second branch pipe is communicated with the sprayer.
Further, the axial line included angle between the first branch pipe and the first pipeline is larger than the axial line included angle between the second branch pipe and the first pipeline; preferably, the first branch pipe is inclined upwards or arranged in parallel relative to the horizontal plane; the second branch pipe is inclined downwards relative to the horizontal plane; more preferably, an included angle β between the first pipeline and the axis of the first branch pipe is an obtuse angle greater than 90 degrees, and an included angle α between the first pipeline and the axis of the second branch pipe is an acute angle less than 90 degrees; further preferably, the angle β between the first pipe and the axis of the first branch pipe is 180 degrees.
Furthermore, one end of the first pipeline is communicated with an air outlet of the steam generator, the other end of the first pipeline is respectively communicated with the first branch pipe and the second branch pipe through a tee joint, the tee joint comprises an air inlet section, a first air outlet section and a second air outlet section, one ends of the air inlet section, the first air outlet section and the second air outlet section are communicated at the same position, and the other ends of the air inlet section, the first air outlet section and the second air outlet section are correspondingly and respectively communicated with the first pipeline, the first branch pipe and the second branch pipe; preferably, an included angle beta between the axes of the first air outlet section and the air inlet section of the tee joint is an obtuse angle larger than 90 degrees, and an included angle alpha between the axes of the second air outlet section and the air inlet section is an acute angle smaller than 90 degrees; more preferably, the first air outlet section and the air inlet section are coaxially arranged, so that the included angle beta is 180 degrees.
Furthermore, the first branch pipe and the second branch pipe are respectively provided with a first valve and a second valve for controlling the on-off of the branch pipes.
Furthermore, the first branch pipe is provided with a first valve for controlling the on-off of the branch pipe, and the second pipeline is not provided with a valve for controlling the on-off of the branch pipe.
Another object of the present invention is to provide a control method for a clothes dryer as mentioned above, so as to achieve the purposes of controlling the steam flow direction, rapidly heating the clothes dryer, and cleaning lint by spraying the evaporator in the clothes dryer.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the control method of a clothes dryer, the clothes dryer is working in the initial stage, the steam that the steam generator produces flows to the evaporator of the clothes dryer completely; during normal steam treatment of clothes, most of steam generated by the steam generator flows into an outer barrel of the clothes dryer, and unvaporized water flows to an evaporator of the clothes dryer through the sprayer under the action of gravity.
Further, in the initial working stage of the clothes dryer, the first valve is closed, the second valve is opened, the air outlet of the steam generator is only communicated with the sprayer arranged above the evaporator, and all steam flows to the evaporator through the sprayer.
Furthermore, in the normal steam treatment process of the clothes, the first valve and the second valve are opened simultaneously, the gas outlet and the outer barrel of the steam generator are communicated with the sprayer arranged above the evaporator respectively, most of steam flowing out of the steam generator flows into the outer barrel through the first branch pipe with a large included angle with the axis of the first pipeline, and a small part of steam and unvaporized water flowing out of the steam generator flows to the evaporator through the second branch pipe with a small included angle with the axis of the first pipeline.
Furthermore, when the door body at the clothes feeding opening of the clothes dryer is opened in the normal steam treatment process of the clothes dryer, the first valve is closed, the second valve is opened, the air outlet of the steam generator is only communicated with the sprayer arranged above the evaporator, and all the steam and the un-gasified water are led to the evaporator.
Further, after the clothes dryer completes normal steam treatment on the clothes, the heating device in the steam generator stops working, and water continues to enter the steam generator for a certain time so as to flush scale and residual impurities in the steam generator.
Furthermore, flushing water in the steam generator flows to the evaporator through the sprayer, and the thread scraps left and attached to the upper side of the evaporator are cleaned.
Furthermore, when water enters the steam generator for washing, the first valve is closed, and the second valve is opened, so that the washing water in the steam generator flows to the evaporator through the sprayer and is discharged outside through a condensed water drain pipe communicated with the drying air path where the evaporator is located.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. at the initial working stage of the clothes dryer, the first valve is closed, the second valve is opened, steam generated by the steam generator flows to the evaporator of the clothes dryer, heat of the steam is transferred to the evaporator, the heat is released by the condenser under the action of the compressor after the evaporator absorbs the heat, the overall working efficiency of the heat pump system is improved, the heating speed of the clothes dryer is increased, the clothes drying speed of the clothes dryer is increased, and the starting energy consumption of the clothes dryer is reduced.
2. In the normal steam treatment process of the clothes by the clothes dryer, the first valve and the second valve are opened simultaneously, most of steam flows into the outer barrel, and a small part of steam and unvaporized water automatically flow into the sprayer arranged above the evaporator under the action of gravity to spray the evaporator, so that thread scraps attached to the evaporator are removed, and the evaporator and surrounding parts of the evaporator are sterilized.
3. The clothes dryer closes the first valve and opens the second valve when the door body at the clothes putting opening of the clothes dryer is opened in the normal steam treatment process of the clothes, steam is led to the evaporator and conducts heat on the fins, residual heat in the steam generator after the door body is opened is prevented from enabling the steam to continue or spray suddenly, and scalding accidents of operators are avoided.
4. Heating device stop work among the steam generator continues to wash the incrustation scale that steam generator produced and remaining impurity to intaking among the steam generator, and the sparge water can spray the evaporimeter simultaneously to remaining adnexed thread scraps on cleaing away the evaporimeter, reach and carry out clear effect to the evaporimeter.
Meanwhile, the invention has simple structure, simple method and obvious effect and is suitable for popularization and use.
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 illustrates a schematic configuration of a dryer in an embodiment of the present invention;
FIG. 2 is a schematic diagram showing a three-way connection on a pipeline of the clothes dryer according to the embodiment of the present invention;
wherein the names of the components are as follows:
1-outer cylinder, 2-drying air path, 3-blower, 4-condenser, 5-compressor, 6-throttling element, 7-evaporator, 8-steam generator, 9-water inlet pipe, 10-first branch pipe, 11-second branch pipe, 12-filter screen, 13-second valve, 14-first pipeline, 15-sprayer, 16-first valve, 17-tee joint, 18-door body,
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 are clearly and completely described below, and the following embodiments are used for illustrating the present invention and are not used for limiting the scope of the present invention.
As shown in fig. 1, the embodiment of the present invention describes a clothes dryer, which includes an outer tub 1 for accommodating clothes, and a door 18 for inputting/outputting the clothes is provided at a clothes input opening of the outer tub 1. The outer cylinder 1 is externally provided with a drying air path 2, and two ends of the drying air path 2 are respectively communicated with the upper part and the lower part of the outer cylinder 1, so that the outer cylinder 1 and the drying air path 2 form a circulating air path. The drying air duct 2 is provided with a fan 3 to form a circulating air flow in the circulating air duct. Preferably, the drying air duct 2 is provided with a filter screen 12 for filtering lint and the like entrained in the circulating air flow.
In the embodiment of the invention, the clothes dryer is also provided with a heat pump system, and the heat pump system comprises a compressor 5, an evaporator 7, a throttling element 6 and a condenser 4 which are sequentially communicated end to end so as to form a circulating flow channel for condensing flow. The evaporator 7 and the condenser 4 are disposed in the drying air path 2 to respectively perform heat absorption and heat release treatment on the air flowing through, so as to achieve the purpose of drying the clothes by using the circulating air.
The clothes dryer is also provided with a steam generator 8, an air outlet of the steam generator 8 is respectively communicated with the outer barrel 1 and a sprayer 15 arranged above the evaporator 7 through a pipeline, and the structure of the pipeline provided with a control device and/or the pipeline has the function of controlling the flow direction of the steam. Under the action of the control device and/or the pipeline, in the initial working stage of the clothes dryer, all the steam generated by the steam generator 8 is led to the evaporator 7; in the normal steam treatment process of clothes by the clothes dryer, when the door 18 at the clothes feeding opening of the clothes dryer is closed, most of steam generated by the steam generator 8 flows into the outer barrel 1, and a small part of steam and unvaporized water flow to the evaporator 7; in the normal steam treatment process of clothes by the clothes dryer, when the door 18 at the clothes input opening of the clothes dryer is opened, the steam and the non-gasified water generated by the steam generator 8 are all led to the evaporator 7.
Through the device and the method, the steam generated by the steam generator 8 controllably flows to the outer barrel 1 to carry out steam washing, disinfection and other treatment on the clothes in the outer barrel, or flows to the evaporator 7 to release heat through the condenser under the action of the compressor after the evaporator 7 absorbs heat, the overall working efficiency of the heat pump system is improved, the heating speed of the clothes dryer is further improved, meanwhile, the thread scraps attached to the evaporator 7 are removed, and the evaporator 7 and the surrounding parts of the evaporator are sterilized, besides, the heat of the steam is transferred to the evaporator 7 to reduce the total amount of the steam in the outer barrel, the steam spraying condition after the door body is opened is avoided, and the steam spraying and the waste heat damage to the user after the user opens the door body are further avoided.
Example one
In this embodiment, the steam generator 8 of the dryer can be any existing steam generator with the following structure: the steam generator is provided with a body forming a cavity with a certain volume, a heating device for converting water into steam is arranged in the cavity, and the body is provided with a water inlet for water to flow into the cavity and a gas outlet for steam to flow out of the cavity.
As shown in fig. 1, in the present embodiment, the air outlet of the steam generator 8 is communicated with one end of a first pipe 14, the other end of the first pipe 14 is communicated with a first branch pipe 10 and a second branch pipe 11, respectively, the first branch pipe 10 is communicated with the outer tub 1, and the second branch pipe 11 is communicated with the shower 15.
In this embodiment, the first branch pipe 10 and the second branch pipe 11 are respectively provided with a first valve 16 and a second valve 13 for controlling the on-off of the branch pipes, so that the control valves are respectively controlled to open and close when the clothes dryer is in different states, thereby achieving the purpose of adjusting the flow direction of the steam.
In this embodiment, the corresponding states in the operation process of the dryer are as follows:
in the state 1, at the initial working stage of the clothes dryer, the first valve 16 is closed, the second valve 13 is opened, the gas outlet of the steam generator 8 is only communicated with the sprayer 15 arranged above the evaporator 7, all steam flows to the evaporator 7 through the sprayer 15, so that the heat of the steam is transferred to the evaporator 7, and the heat is released by the condenser under the action of the compressor after the evaporator 7 absorbs heat, thereby accelerating the overall working efficiency of the heat pump system, improving the heating speed of the clothes dryer, further accelerating the clothes drying speed of the clothes dryer, and reducing the starting energy consumption of the clothes dryer.
In the state 2, in the normal steam treatment process of clothes, when the door 18 at the clothes putting opening of the clothes dryer is closed, the first valve 16 and the second valve 13 are opened simultaneously, the air outlet of the steam generator 8 is communicated with the outer cylinder and the sprayer 15 arranged above the evaporator 7 respectively, the steam flows into the outer cylinder 1 and leads to the evaporator 7, the steam flowing into the outer cylinder 1 carries out steam washing, disinfection and other treatments on the clothes, and the steam leading to the evaporator 7 clears away thread scraps attached to the evaporator 7 and sterilizes the evaporator 7 and surrounding parts thereof.
In this embodiment, the first branch pipe 10 may be provided with a first valve 16 for controlling the on-off of the branch pipe, and the second branch pipe 11 is not provided with a valve for controlling the on-off of the branch pipe. In the working process of the clothes dryer, only the first valve 16 is closed, so that steam is completely led to the evaporator 7, the evaporator 7 absorbs heat and releases the heat through the condenser under the action of the compressor, the overall working efficiency of the heat pump system is improved, the heating speed of the clothes dryer is increased, the clothes drying speed of the clothes dryer is increased, the starting energy consumption of the clothes dryer is reduced, or the steam is led to the evaporator 7 and conducts the heat on the fins, the situation that the steam continues to be sprayed or is sprayed suddenly due to the residual heat in the steam generator 8 after the door body is opened is avoided, the scalding accident of an operator is avoided, and the second branch pipe 11 is always in a communicated state in the working process of the clothes dryer. The first branch pipe 10 is provided with a first valve 16 for controlling the on-off of the branch pipe, and the second branch pipe 11 is not provided with a valve for controlling the on-off of the branch pipe, so that the number of valves required on a pipeline is reduced, and the production cost is reduced.
Example two
The present embodiment is different from the first embodiment in that: as shown in fig. 1, the axial angle between the first branch pipe 10 and the first pipe 14 is larger than the axial angle between the second branch pipe 11 and the first pipe 14. Through the arrangement, the three-way structure at the intersection of the first branch pipe 10, the second branch pipe 11 and the first pipeline 14 has a venturi effect, so that most of steam in the first pipeline 14 flows to the first branch pipe 10, and a small part of steam flows to the second branch pipe 11.
As shown in fig. 2, in the present embodiment, one end of the first pipe 14 is communicated with the air outlet of the steam generator 8, and the other end is communicated with the first branch pipe 10 and the second branch pipe 11 through a tee 17. The tee joint 17 comprises an air inlet section, a first air outlet section and a second air outlet section, one ends of the air inlet section, the first air outlet section and the second air outlet section are communicated at the same position, and the other ends of the air inlet section, the first air outlet section and the second air outlet section are correspondingly communicated with the first pipeline 14, the first branch pipe 10 and the second branch pipe 11 respectively; preferably, an included angle β between the axes of the first air outlet section and the air inlet section of the tee 17 is an obtuse angle greater than 90 degrees, and an included angle α between the axes of the second air outlet section and the air inlet section is an acute angle less than 90 degrees; more preferably, the first air outlet section and the air inlet section are coaxially arranged, so that the included angle beta is 180 degrees.
In this embodiment, the corresponding states in the operation process of the dryer are as follows:
in the state 1, in the normal steam treatment process of clothes, when a door 18 at a clothes putting opening of a clothes dryer is closed, a first valve 16 and a second valve 13 are simultaneously opened, an air outlet of a steam generator 8 is respectively communicated with a sprayer 15 which is connected with and arranged above an evaporator 7, most of steam flowing out of the steam generator 8 flows into an outer barrel 1 through a first branch pipe 10 with a larger included angle with the axis of a first pipeline 14, a small part of steam flowing out of the steam generator 8 flows into the evaporator 7 through a second branch pipe 11 with a smaller included angle with the axis of the first pipeline 14, the steam flowing into the outer barrel 1 carries out steam washing, disinfection and other treatments on the clothes, and the steam flowing to the evaporator 7 clears away thread scraps attached to the evaporator 7 and sterilizes the evaporator 7 and surrounding parts thereof.
And in the state 2, the clothes dryer performs normal steam treatment on clothes, when the door body 18 at the clothes putting opening of the clothes dryer is opened, the first valve 16 is closed, the second valve 13 is opened, the air outlet of the steam generator 8 is only communicated with the sprayer 15 arranged above the evaporator 7, all steam is led to the evaporator 7, the steam is led to the evaporator 7 and conducts heat on fins, the situation that the steam continues to be sprayed or is sprayed suddenly due to the residual heat in the steam generator 8 after the door body 18 is opened is prevented, and the scalding accident of an operator is avoided.
In this embodiment, as shown in fig. 1, the ends of the first branch pipe 10, the second branch pipe 11, and the first pipeline 14 may be directly connected to one another in a converging manner, so as to avoid the use of a tee 17, simplify the number of pipelines, and reduce the number of pipelines connected.
EXAMPLE III
The present embodiment is different from the first to second embodiments in that: the first branch pipe 10 is arranged upwards obliquely or in parallel relative to the horizontal plane; the second branch pipe 11 is inclined downwards with respect to the horizontal. Under the above conditions, the non-gasified water generated by the steam generator 8 automatically flows into the shower 15 provided above the evaporator 7 under the action of gravity to shower the evaporator 7, so as to remove lint attached to the evaporator 7 and sterilize the evaporator 7 and surrounding parts thereof.
In this embodiment, the corresponding states in the operation process of the dryer are as follows:
in the state 1, in the normal steam treatment process of clothes, when a door 18 at a clothes putting opening of a clothes dryer is closed, a first valve 16 and a second valve 13 are simultaneously opened, an air outlet of a steam generator 8 is respectively communicated with an outer barrel 1 and a sprayer 15 arranged above an evaporator 7, most of steam flowing out of the steam generator 8 flows into the outer barrel 1 through a first branch pipe 10 with a larger included angle with the axis of a first pipeline 14, a small part of steam and unvaporized water flowing out of the steam generator 8 flow into the evaporator 7 through a second branch pipe 11 with a smaller included angle with the axis of the first pipeline 14, the steam flowing into the outer barrel 1 carries out steam washing, disinfection and other treatments on the clothes, and the steam and the unvaporized water flowing into the evaporator 7 clear away lint attached to the evaporator 7 and sterilize the evaporator 7 and surrounding parts thereof.
And in the state 2, in the normal steam treatment process of the clothes dryer, when the door 18 at the clothes feeding opening of the clothes dryer is opened, the first valve 16 is closed, the second valve 13 is opened, the air outlet of the steam generator 8 is only communicated with the sprayer 15 arranged above the evaporator 7, the steam and the non-gasified water are all led to the evaporator 7, the steam is led to the evaporator 7 and conducts heat to fins, the phenomenon that the steam is continuously or suddenly sprayed due to the residual heat in the steam generator 8 after the door 18 is opened is avoided, the scalding accident of an operator is avoided, the non-gasified water automatically flows into the sprayer 15 arranged above the evaporator 7 under the action of gravity to spray the evaporator 7, so that the thread scraps attached to the evaporator 7 are removed, and the evaporator 7 and the surrounding parts are sterilized.
Preferably, an included angle beta between the first pipeline and the axis of the first branch pipe is an obtuse angle larger than 90 degrees, and an included angle alpha between the first pipeline and the axis of the second branch pipe is an acute angle smaller than 90 degrees; more preferably, the angle β between the first pipe and the axis of the first branch pipe is 180 degrees.
Example four
The present embodiment is different from the first to third embodiments in that: the clothes dryer has a state 3, when the clothes dryer completes the normal steam processing process to the clothes, the heating device in the steam generator 8 stops working, and continues to feed water into the steam generator 8 for a certain time to flush the scale and the residual impurities in the steam generator 8, the flushing water in the steam generator 8 flows to the evaporator 7 through the sprayer 15, and the residual adhered thread scraps on the upper side of the evaporator 7 are cleaned.
In this embodiment, when the dryer is in the state 3, the first valve 16 is closed, the first valve 13 is opened, so that the washing water flowing into the steam generator 8 through the water inlet pipe 9 is led to the evaporator 7 through the air outlet, the first pipeline 14, the second branch pipe 11 and the sprayer 15, the residual adhered thread scraps on the evaporator 7 are cleaned, the effect of cleaning the evaporator 7 is achieved, and finally, the washing water is discharged outside a condensed water discharge pipe arranged on the drying air path 2 where the evaporator 7 is located for discharging the condensed water, so that the purpose that the washing water flowing into the steam generator 8 cleans the evaporator 7 and then discharges the cleaned washing water to the outside of the dryer is achieved.
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 (7)
1. A clothes dryer is characterized in that a steam generator (8) is arranged on the clothes dryer, and an air outlet of the steam generator (8) is respectively communicated with an outer cylinder (1) and a sprayer (15) arranged above an evaporator (7) through pipelines so as to enable steam to controllably flow to the outer cylinder (1) and/or the evaporator (7);
an air outlet of the steam generator (8) is communicated with one end of a first pipeline (14), the other end of the first pipeline (14) is respectively communicated with a first branch pipe (10) and a second branch pipe (11), the first branch pipe (10) is communicated with the outer barrel (1), and the second branch pipe (11) is communicated with a sprayer (15);
the axial included angle between the first branch pipe (10) and the first pipeline (14) is larger than the axial included angle between the second branch pipe (11) and the first pipeline (14); the first branch pipe (10) is inclined upwards or arranged in parallel relative to the horizontal plane; the second branch pipe (11) is inclined downwards relative to the horizontal plane;
at the initial working stage of the clothes dryer, all the steam generated by the steam generator flows to an evaporator of the clothes dryer; during normal steam treatment of clothes, most of steam generated by the steam generator flows into an outer barrel of the clothes dryer, and unvaporized water flows to an evaporator of the clothes dryer through the sprayer under the action of gravity; in the normal steam treatment process of the clothes dryer for the clothes, when a door body at a clothes putting opening of the clothes dryer is opened, steam and non-gasified water generated by the steam generator are all led to the evaporator.
2. Laundry dryer according to claim 1, characterized in that said first branch (10) and said second branch (11) are provided with a first valve (16) and a second valve (13), respectively, for controlling the opening and closing of the branches.
3. The clothes dryer of claim 2, wherein in an initial operation period of the clothes dryer, the first valve is closed and the second valve is opened, so that the air outlet of the steam generator is only communicated with the sprayer arranged above the evaporator, and all steam flows to the evaporator through the sprayer.
4. The clothes dryer of claim 2, wherein during normal steaming of the clothes, the first valve and the second valve are opened simultaneously, the steam generator has an outlet connected to the tub and a shower disposed above the evaporator, a majority of the steam from the steam generator flows into the tub through a first branch pipe having a larger angle with the axis of the first pipe, and a minority of the steam and the non-gasified water from the steam generator flows to the evaporator through a second branch pipe having a smaller angle with the axis of the first pipe.
5. The clothes dryer of claim 2, wherein the first valve is closed and the second valve is opened when the door at the clothes inlet of the clothes dryer is opened during normal steaming of the clothes, so that the air outlet of the steam generator is only communicated with the shower device arranged above the evaporator, and all of the steam and the un-gasified water are communicated with the evaporator.
6. The clothes dryer of claim 5, wherein the heating means of the steam generator stops after the clothes dryer completes normal steaming of the clothes, and water continues to be supplied into the steam generator for a certain time to flush the scale and the remaining impurities in the steam generator.
7. The clothes dryer of claim 6, wherein washing water in the steam generator flows to the evaporator through the shower to clean lint left attached to an upper side of the evaporator.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634147.5A CN107687079B (en) | 2016-08-03 | 2016-08-03 | Clothes dryer and control method |
| PCT/CN2017/095785 WO2018024228A1 (en) | 2016-08-03 | 2017-08-03 | Laundry dryer and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634147.5A CN107687079B (en) | 2016-08-03 | 2016-08-03 | Clothes dryer and control method |
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| CN107687079A CN107687079A (en) | 2018-02-13 |
| CN107687079B true CN107687079B (en) | 2021-01-26 |
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| CN201610634147.5A Active CN107687079B (en) | 2016-08-03 | 2016-08-03 | Clothes dryer and control method |
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| WO (1) | WO2018024228A1 (en) |
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|---|---|---|---|---|
| CN110629481B (en) * | 2018-06-21 | 2023-07-07 | 青岛海尔洗衣机有限公司 | Drying equipment |
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| CN107687079A (en) | 2018-02-13 |
| WO2018024228A1 (en) | 2018-02-08 |
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