WO2018024228A1 - 一种干衣机及控制方法 - Google Patents

一种干衣机及控制方法 Download PDF

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Publication number
WO2018024228A1
WO2018024228A1 PCT/CN2017/095785 CN2017095785W WO2018024228A1 WO 2018024228 A1 WO2018024228 A1 WO 2018024228A1 CN 2017095785 W CN2017095785 W CN 2017095785W WO 2018024228 A1 WO2018024228 A1 WO 2018024228A1
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Prior art keywords
evaporator
steam
steam generator
dryer
valve
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Ceased
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PCT/CN2017/095785
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English (en)
French (fr)
Inventor
宋华诚
许升
田书君
单世强
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Qingdao Haier Washing Machine Co Ltd
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Qingdao Haier Washing Machine Co Ltd
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Publication of WO2018024228A1 publication Critical patent/WO2018024228A1/zh
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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
    • 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 
    • 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
    • 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
    • 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

Definitions

  • the invention relates to a clothes dryer in the field of washing, in particular to a dryer for rapid temperature rise, and to a control method for the above dryer.
  • the existing clothes dryer is a machine that dries the washed clothes or directly integrates the washing and drying functions.
  • the Chinese patent of the application number 201410406212.X describes a heat pump system, a washing and drying machine and a clothes dryer.
  • the heat pump system comprises an evaporator, a compressor, a condenser and a refrigerant regulation subsystem.
  • the evaporator, the compressor, the condenser and the refrigerant regulation subsystem are sequentially connected through a pipeline to form a refrigerant circulation loop, and the refrigerant regulation subsystem comprises a parallel connection.
  • the first branch includes a first throttling device connected to the evaporator inlet port and the first throttling device and the condenser a liquid storage device; a second throttle device is connected in series on the second branch.
  • the existing washing machine has realized the steam washing function.
  • a steam generator is added to the dryer to make the dryer also have a steam washing function.
  • the above-mentioned clothes dryer has a slower temperature rise rate at the beginning of the work, which in turn leads to a lower drying rate of the clothes dryer and higher starting energy consumption.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a clothes dryer to achieve the purpose of rapid temperature rise of the clothes dryer; another purpose is to achieve spray cleaning of the evaporator in the clothes dryer.
  • the purpose of the wire is to overcome the deficiencies of the prior art, and provide a clothes dryer to achieve the purpose of rapid temperature rise of the clothes dryer; another purpose is to achieve spray cleaning of the evaporator in the clothes dryer.
  • the purpose of the wire is to overcome the deficiencies of the prior art, and provide a clothes dryer to achieve the purpose of rapid temperature rise of the clothes dryer; another purpose is to achieve spray cleaning of the evaporator in the clothes dryer.
  • the purpose of the wire is to overcome the deficiencies of the prior art, and provide a clothes dryer to achieve the purpose of rapid temperature rise of the clothes dryer; another purpose is to achieve spray cleaning of the evaporator in the clothes dryer.
  • the purpose of the wire is to overcome the deficiencies of the prior art, and provide a clothes dryer to achieve the purpose of rapid temperature rise of the clothes dryer
  • a clothes dryer having a steam generator on a dryer, and an air outlet of the steam generator is respectively connected to the outer cylinder through the pipeline
  • the showers disposed above the evaporator are in communication to allow controlled flow of steam to the outer cylinder and/or evaporator.
  • the air outlet of the steam generator is in communication with one end of the first pipe, and the other end of the first pipe is respectively connected with the first branch pipe and the second branch pipe, the first branch pipe is in communication with the outer pipe, and the second branch pipe and the shower pipe are connected Connected.
  • an angle between the first branch pipe and the first pipe is greater than an angle between the second pipe and the first pipe; preferably, the first pipe is inclined or parallel with respect to the horizontal surface; the second pipe is opposite to the horizontal surface. More preferably, the angle ⁇ between the first pipe and the first pipe is an obtuse angle greater than 90 degrees, and the angle ⁇ between the first pipe and the second pipe is an acute angle less than 90 degrees; further preferably, The angle ⁇ between a pipe and the first pipe is 180 degrees.
  • one end of the first pipe is connected to the air outlet of the steam generator, and the other end is respectively connected to the first branch pipe and the second branch pipe via a three-way
  • the three-way includes an intake section, a first outlet section and a second The outlet section, the first section of the intake section, the first outlet section and the second outlet section are connected to the same place, and the other end is correspondingly connected with the first pipe, the first branch pipe and the second branch pipe respectively; preferably, the three The axial angle ⁇ between the first air outlet section and the air inlet section is an obtuse angle greater than 90 degrees, and the axial angle ⁇ of the second air outlet section and the intake section is an acute angle less than 90 degrees; more preferably, the first air outlet section It is coaxially arranged with the intake section so that the angle ⁇ is 180 degrees.
  • first branch pipe and the second branch pipe are respectively provided with a first valve and a second valve that control the opening and closing of the branch pipe.
  • first branch pipe is provided with a first valve for controlling the opening and closing of the branch pipe
  • second pipe is not provided with a valve for controlling the opening and closing of the branch pipe
  • Another object of the present invention is to provide a control method for a clothes dryer according to any of the above, in order to achieve control of the flow direction of the steam, to achieve rapid temperature rise of the clothes dryer, and to spray the wire cleaning of the evaporator in the clothes dryer. the goal of.
  • a control method for a clothes dryer in the initial stage of the operation of the dryer, all the steam generated by the steam generator flows to the evaporator of the dryer; during the normal steam treatment of the clothes, most of the steam generated by the steam generator flows into the dry The outer tub of the clothes machine, the unvaporized water will flow through the sprayer to the evaporator of the dryer under the action of gravity.
  • the first valve is closed and the second valve is opened, so that the air outlet of the steam generator is only connected to the sprayer disposed above the evaporator, and all of the steam flows to the evaporator through the shower.
  • the first valve and the second valve are simultaneously opened, and the air outlet of the steam generator is connected to the outer cylinder and the shower device disposed above the evaporator, respectively, and the steam generator flows out. Big Part of the steam flows into the outer cylinder through the first branch pipe having a larger angle with the first pipe axis, and a small portion of the steam and unvaporized water flowing out of the steam generator are evaporated to the second branch pipe having a smaller angle with the first pipe axis.
  • the first valve is closed and the second valve is opened, so that the air outlet of the steam generator is only disposed at The sprinklers above the evaporator are connected, and the steam and unvaporized water all pass to the evaporator.
  • the heating device in the steam generator stops working, and the water is continuously supplied to the steam generator for a certain time to carry out the scale and residual impurities in the steam generator. rinse.
  • the flushing water in the steam generator flows to the evaporator through the shower, and the residual scraps on the upper side of the evaporator are cleaned.
  • the first valve is closed and the second valve is opened, so that the flushing water in the steam generator flows to the evaporator through the shower and is connected to the drying air path of the evaporator.
  • the condensate drain pipe is arranged outside.
  • the present invention has the following beneficial effects as compared with the prior art:
  • the first valve is closed and the second valve is opened, so that all the steam generated by the steam generator flows to the evaporator of the dryer, so that the heat of the steam is transferred to the evaporator, and the evaporator absorbs heat.
  • the heat is released through the condenser under the action of the compressor, which accelerates the overall working efficiency of the heat pump system, improves the heating rate of the dryer, accelerates the drying rate of the dryer, and reduces the startup energy of the dryer. Consumption.
  • the first valve and the second valve are simultaneously opened, so that most of the steam flows into the outer cylinder, and a small part of the steam and the unvaporized water are automatically flowed under the action of gravity.
  • the evaporator is sprayed in a shower above the evaporator to remove the lint attached to the evaporator and sterilize the evaporator and its surrounding components.
  • the heating device in the steam generator stops working, and the water in the steam generator is continuously washed to wash the scale and residual impurities generated by the steam generator, and the flushing water can spray the evaporator to clear the evaporator. Residual The attached wire scraps are used to clean the evaporator.
  • the invention has the advantages of simple structure, simple method and remarkable effect, and is suitable for popularization and use.
  • FIG. 1 is a schematic structural view of a clothes dryer in an embodiment of the present invention
  • FIG. 2 is a schematic structural view showing a three-way connection manner on a pipeline of a clothes dryer according to an embodiment of the present invention
  • a clothes dryer is provided.
  • the clothes dryer includes an outer tube 1 for accommodating clothes, and an openable and closable clothes are provided at the clothes insertion opening on the outer tube 1.
  • the door body 18 that is put in/out.
  • the outer cylinder 1 is provided with a drying air passage 2, and both ends of the drying air passage 2 communicate with the upper and lower portions of the outer cylinder 1, respectively, so that the outer cylinder 1 and the drying air passage 2 constitute a circulation air passage.
  • a fan 3 is disposed in the drying air passage 2 to form a circulating airflow in the circulating air passage.
  • the drying air duct 2 is provided with a filter screen 12 for filtering the wire dust or the like contained in the circulating air current flowing through.
  • the dryer is further provided with a heat pump system including a compressor 5, an evaporator 7, a throttle element 6 and a condenser 4 which are connected in series at the beginning and the end to form a circulating flow for condensing flow. Road.
  • the evaporator 7 and the condenser 4 are disposed in the drying air passage 2 to respectively perform heat absorption and heat treatment on the flowing airflow to realize profit The purpose of drying the clothes with a circulating air stream.
  • the clothes dryer is further provided with a steam generator 8, and the air outlet of the steam generator 8 is respectively connected to the outer cylinder 1 and the shower 15 disposed above the evaporator 7 via a pipeline, and the pipeline is provided with a control device and/or Or the construction of the pipeline itself has the function of controlling the direction of steam flow.
  • the steam generated by the steam generator 8 is controllably flowed to the outer cylinder 1 to perform steam washing, disinfection, etc. treatment on the inner laundry thereof, or to the evaporator 7 to cause the evaporator 7 to absorb heat after the compressor
  • the heat is released through the condenser to accelerate the overall working efficiency of the heat pump system, thereby increasing the heating rate of the dryer, and simultaneously removing the dust attached to the evaporator 7 and sterilizing the evaporator 7 and its surrounding components.
  • the heat transfer of the steam to the evaporator 7 reduces the total amount of steam in the outer cylinder, avoids the occurrence of steam ejection after the door body is opened, thereby avoiding the steam ejecting and residual heat damage to the user after the user opens the door. occur.
  • the steam generator 8 of the clothes dryer may be any existing steam generator having the following structure: a body is formed with a volume chamber, and the chamber is provided with water for converting steam into steam.
  • the heating device has a water inlet into the chamber and a gas outlet for the steam to flow out of the chamber.
  • the air outlet of the steam generator 8 is in communication with one end of the first duct 14, and the other end of the first duct 14 is in communication with the first branch pipe 10 and the second branch pipe 11, respectively.
  • the first branch 10 is in communication with the outer cylinder 1
  • the second branch 11 is in communication with the shower 15.
  • 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 opening and closing of the branch pipe, so that the control valve is correspondingly controlled when the clothes dryer is in different states. Open and close to achieve the purpose of regulating the direction of steam flow.
  • the first branch pipe 10 is provided with a first valve 16 for controlling the opening and closing of the branch pipe
  • the second branch pipe 11 is not provided with a valve for controlling the opening and closing of the branch pipe.
  • the first tube 10 is provided with a first valve 16 for controlling the opening and closing of the branch tube
  • the second branch tube 11 is not provided with a valve for controlling the opening and closing of the branch tube, which reduces the number of valves required on the pipeline and reduces the production cost.
  • one end of the first duct 14 communicates with the air outlet of the steam generator 8, and the other end communicates with the first branch pipe 10 and the second branch pipe 11 via the three-way 17 respectively.
  • the three-way 17 includes an intake section, a first outlet section and a second outlet section, and one ends of the intake section, the first outlet section and the second outlet section are connected to the same place, and the other end corresponds to the first pipe respectively 14.
  • the first branch pipe 10 and the second branch pipe 11 are in communication; preferably, the axial angle ⁇ of the first air outlet section and the air inlet section of the three-way 17 is an obtuse angle greater than 90 degrees, and the second air outlet section and the intake air
  • the axis angle ⁇ of the segment is an acute angle less than 90 degrees; more preferably, the first air outlet segment and the air inlet segment are coaxially disposed such that the angle is ⁇ is 180 degrees.
  • a small portion of the steam passes through the second branch pipe 11 having a small angle with the axis of the first pipe 14 to the evaporator 7, and the steam flowing into the outer cylinder 1 performs steam washing, disinfection, and the like on the clothes, and the steam pair leading to the evaporator 7
  • the lint attached to the evaporator 7 is removed and the evaporator 7 and its surrounding components are sterilized.
  • the ends of the first branch pipe 10 , the second branch pipe 11 , and the first pipe 14 are directly connected to each other to avoid the use of the three-way 17 and simplify the pipe.
  • the number of structures in the road reduces the number of connections to the pipeline.
  • first branch pipe 10 is inclined or parallel with respect to the horizontal surface; the second branch pipe 11 is inclined downward with respect to the horizontal surface.
  • the unvaporized water generated by the steam generator 8 automatically flows into the shower 15 disposed above the evaporator 7 under gravity to spray the evaporator 7 to remove the lint attached to the evaporator 7. And sterilizing the evaporator 7 and its surrounding components.
  • the angle ⁇ between the first pipe and the first pipe is an obtuse angle greater than 90 degrees, and the angle ⁇ between the first pipe and the second pipe is an acute angle less than 90 degrees; more preferably, the first pipe and the first pipe
  • the axis angle ⁇ of a tube is 180 degrees.
  • the dryer has the state 3.
  • the heating device in the steam generator 8 stops working and continues to the steam.
  • the generator 8 is filled with water for a certain period of time to wash the scale and residual impurities in the steam generator 8, and the flushing water in the steam generator 8 flows to the evaporator 7 through the shower 15 to leave the upper side of the evaporator 7
  • the attached thread is cleaned.
  • the first valve 16 when the dryer is in the state 3, the first valve 16 is closed, and the first valve 13 is opened, so that the flushing water flowing into the steam generator 8 through the inlet pipe 9 passes through the air outlet, the first pipe 14, and the first pipe
  • the two tubes 11 and the shower 15 are led to the evaporator 7, and the residual scraps on the evaporator 7 are cleaned to achieve the effect of cleaning the evaporator 7, and finally on the drying duct 2 where the evaporator 7 is located.
  • the condensed water drain pipe for discharging the condensed water is arranged to discharge the flushing water flowing into the steam generator 8 to clean the evaporator 7 and then discharged to the outside of the dryer.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

一种干衣机及控制方法，所述干衣机上设有蒸汽发生器（8），蒸汽发生器（8）的出气口经管路分别与外筒（1）和设置于蒸发器（7）上方的喷淋器（15）相连通，使蒸汽可控地流向外筒（1）和/或蒸发器（7）。干衣机在工作初期，蒸汽发生器（8）产生的蒸汽全部流向干衣机的蒸发器（7），蒸汽将热量传递给蒸发器（7），使蒸发器（7）受热后在压缩机（5）作用下将热量通过冷凝器（4）释放，从而加快热泵系统整体的工作效率，进而提高干衣机的升温速度。该干衣机对衣物进行正常的蒸汽处理过程中，未气化水在重力作用下自动流入到设置于蒸发器（7）上方的喷淋器（15）中，以对蒸发器（7）进行喷淋，清除蒸发器（7）上附着的线屑、并对蒸发器（7）及其周围部件进行杀菌。同时，其结构简单，效果显著，适宜推广使用。

Description

一种干衣机及控制方法 技术领域
本发明涉及洗涤领域的一种干衣机，具体涉及一种快速升温的干衣机，还涉及一种上述干衣机的控制方法。
背景技术
现有干衣机是一种对洗涤后的衣物进行烘干，或直接集成有洗涤、烘干功能的机器。
如申请号为201410406212.X的中国专利，其介绍了一种热泵系统、洗干一体机及干衣机。热泵系统包括蒸发器、压缩机、冷凝器以及制冷剂调节子系统，蒸发器、压缩机、冷凝器以及制冷剂调节子系统通过管道依次连通形成制冷剂循环回路，制冷剂调节子系统包括并联连接在蒸发器和冷凝器之间的第一支路和第二支路；第一支路包括出口与蒸发器入管口相连的第一节流装置以及位于所述第一节流装置和冷凝器之间的储液装置；第二支路上串联有第二节流装置。
现有洗衣机已实现蒸汽洗功能，参照此项技术，在干衣机上加装蒸汽发生器使干衣机也具有蒸汽洗功能。
但是，上述干衣机在工作初期温度提升速度较慢，进而导致干衣机的干衣速率较低，启动能耗较高。
有鉴于此，特提出本发明。
发明内容
本发明要解决的技术问题在于克服现有技术的不足，提供一种干衣机，以实现干衣机快速升温的目的；另一目的在于，实现对干衣机中的蒸发器进行喷淋清理线屑的目的。
为解决上述技术问题，本发明采用技术方案的基本构思是：
一种干衣机，干衣机上设有蒸汽发生器，蒸汽发生器的出气口经管路分别与外筒和 设置于蒸发器上方的喷淋器相连通，使蒸汽可控地流向外筒和/或蒸发器。
进一步，蒸汽发生器的出气口与第一管道的一端相连通，第一管道的另一端分别与第一支管和第二支管连通，第一支管与外筒相连通，第二支管与喷淋器相连通。
进一步，第一支管和第一管道之间的轴线夹角大于第二支管和第一管道之间的轴线夹角；优选的，第一支管相对水平面向上倾斜或平行设置；第二支管相对水平面向下倾斜；更优选的，第一管道与第一支管的轴线夹角β为大于90度的钝角，第一管道与第二支管的轴线夹角α为小于90度的锐角；进一步优选的，第一管道与第一支管的轴线夹角β为180度。
进一步，第一管道的一端与蒸汽发生器的出气口相连通，另一端经三通与第一支管和第二支管分别相连通，所述三通包括进气段、第一出气段和第二出气段，进气段、第一出气段和第二出气段的一端相连通于同一处，另一端对应的分别与第一管道、第一支管和第二支管相连通；优选的，所述三通的第一出气段和进气段的轴线夹角β为大于90度的钝角，第二出气段和进气段的轴线夹角α为小于90度的锐角；更优选的，第一出气段和进气段同轴设置，使得夹角β为180度。
进一步，所述第一支管和第二支管分别设有控制支管通断的第一阀门和第二阀门。
进一步，所述的第一支管设有控制支管通断的第一阀门，第二管路上不设置控制支管通断的阀门。
本发明的另一目的在于提供一种如上任一所述干衣机的控制方法，以达到对蒸汽流向控制，实现干衣机快速升温以及对干衣机中的蒸发器进行喷淋清理线屑的目的。
为达到上述目的，本发明所采用的技术方案如下：
一种干衣机的控制方法，干衣机工作初期，蒸汽发生器产生的蒸汽全部流向干衣机的蒸发器；对衣物进行正常的蒸汽处理过程中，蒸汽发生器产生的大部分蒸汽流入干衣机的外桶、未气化水会在重力作用下经喷淋器流向干衣机的蒸发器。
进一步，干衣机工作初期，第一阀门闭合、第二阀门打开，使蒸汽发生器的出气口只与设置于蒸发器上方喷淋器相连通，蒸汽全部经喷淋器流向蒸发器。
进一步，对衣物进行正常的蒸汽处理过程中，第一阀门和第二阀门同时打开，蒸汽发生器的出气口与外筒和设置于蒸发器上方的喷淋器分别相连通，蒸汽发生器流出的大 部分蒸汽经与第一管道轴线夹角较大的第一支管流入外筒，蒸汽发生器流出的少部分蒸汽和未气化水经与第一管道轴线夹角较小的第二支管通向蒸发器。
进一步，干衣机对衣物进行正常的蒸汽处理过程中、当干衣机衣物投放口处的门体打开时，第一阀门闭合、第二阀门打开，使蒸汽发生器的出气口只与设置于蒸发器上方的喷淋器相连通，蒸汽和未气化水全部通向蒸发器。
进一步，当干衣机对衣物进行正常的蒸汽处理完成后，蒸汽发生器中的加热装置停止工作，继续向蒸汽发生器中进水一定时间，以对蒸汽发生器中的水垢和残存的杂质进行冲洗。
进一步，蒸汽发生器中的冲洗水经喷淋器流向蒸发器，对蒸发器上侧残留附着的线屑进行清理。
进一步，向蒸汽发生器中进水冲洗时，第一阀门闭合、第二阀门打开，使蒸汽发生器中的冲洗水经喷淋器流向蒸发器、并经与蒸发器所在烘干风路相连通的冷凝水排水管外排。
采用上述技术方案后，本发明与现有技术相比具有以下有益效果如下：
1、在干衣机工作初期，将第一阀门闭合、第二阀门打开，令蒸汽发生器产生的蒸汽全部流向干衣机的蒸发器，使蒸汽的热量传递给蒸发器，蒸发器吸热后在压缩机作用下将热量通过冷凝器释放，加快了热泵系统整体的工作效率，提高了干衣机的升温速度，进而加快了干衣机的干衣速率、并降低了干衣机的启动能耗。
2、干衣机对衣物进行正常的蒸汽处理过程中，将第一阀门和第二阀门同时打开，令大部分蒸汽流入外筒，少部分蒸汽和未气化水在重力作用下自动流入设置于蒸发器上方的喷淋器中对蒸发器进行喷淋，以清除蒸发器上附着的线屑，并对蒸发器及其周围部件进行杀菌。
3、干衣机对衣物进行正常的蒸汽处理过程中、当干衣机衣物投放口处的门体打开时，将第一阀门闭合、第二阀门打开，蒸汽通向蒸发器并将热量传导在翅片上，防止了在门体打开后蒸汽发生器内的余热使蒸汽继续或突然喷射，避免了操作人员烫伤事故的发生。
4、蒸汽发生器中的加热装置停止工作，继续向蒸汽发生器中进水对蒸汽发生器产生的水垢和残存的杂质进行冲洗，同时冲洗水可对蒸发器进行喷淋，以清除蒸发器上残 留附着的线屑，达到对蒸发器进行清洁的效果。
同时，本发明结构简单，方法简洁，效果显著，适宜推广使用。
附图说明
附图作为本发明的一部分，用来提供对本发明的进一步的理解，本发明的示意性实施例及其说明用于解释本发明，但不构成对本发明的不当限定。显然，下面描述中的附图仅仅是一些实施例，对于本领域普通技术人员来说，在不付出创造性劳动的前提下，还可以根据这些附图获得其他附图。在附图中：
图1示出了本发明实施例中干衣机的结构示意图；
图2示出了本发明实施例中干衣机的管路上三通连接方式的结构示意图；
其中各组成名称如下：
1—外筒，2—烘干风路，3—风机，4—冷凝器，5—压缩机，6—节流元件，7—蒸发器，8—蒸汽发生器，9—进水管，10—第一支管，11—第二支管，12—过滤网，13—第二阀门，14—第一管道，15—喷淋器，16—第一阀门，17—三通，18—门体，
需要说明的是，这些附图和文字描述并不旨在以任何方式限制本发明的构思范围，而是通过参考特定实施例为本领域技术人员说明本发明的概念。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面对实施例中的技术方案进行清楚、完整地描述，以下实施例用于说明本发明，但不用来限制本发明的范围。
如图1所示，本发明实施例中介绍了一种干衣机，所述干衣机包括容纳衣物的外筒1，外筒1上的衣物投放口处设有可开闭的、供衣物投入/取出的门体18。外筒1外部设置烘干风路2，烘干风路2的两端分别与外筒1的上部和下部相连通，使外筒1和烘干风路2构成循环风路。所述的烘干风路2中设有风机3，以使得循环风路中形成循环气流。优选的，所述的烘干风路2中设有过滤网12，以对流经的循环气流中夹杂的线屑等进行过滤。
本发明实施例中，所述干衣机还设有热泵系统，热泵系统包括首尾依次相连通的压缩机5、蒸发器7、节流元件6和冷凝器4，以形成供冷凝流动的循环流道。所述的蒸发器7和冷凝器4设于烘干风路2中，以分别对流经的气流进行吸热、放热处理，实现利 用循环气流对衣物进行烘干的目的。
干衣机还设有蒸汽发生器8，蒸汽发生器8的出气口经管路分别与外筒1和设置于蒸发器7上方的喷淋器15相连通，所述管路上设有控制装置和/或管路本身的构造就具有控制蒸汽流动方向的功能。在控制装置和/或管路的作用下，在干衣机工作初期，将蒸汽发生器8产生的蒸汽全部通向蒸发器7；干衣机对衣物进行正常的蒸汽处理过程中，当干衣机衣物投放口处的门体18闭合时，蒸汽发生器8产生的大部分蒸汽流入外筒1，少部分蒸汽和未气化水通向蒸发器7；干衣机对衣物进行正常的蒸汽处理过程中，当干衣机衣物投放口处的门体18打开时，蒸汽发生器8产生的蒸汽和未气化水全部通向蒸发器7。
通过上述装置和方法，使得蒸汽发生器8产生的蒸汽可控地流向外筒1以对其内衣物进行蒸汽洗涤、消毒等处理，或流向蒸发器7以使蒸发器7吸热后在压缩机作用下将热量通过冷凝器释放，加快热泵系统整体的工作效率，进而提高干衣机的升温速度，同时对蒸发器7上附着的线屑进行清除以及对蒸发器7及其周围部件进行杀菌，除此之外，蒸汽的热量传递给蒸发器7降低外筒中的蒸汽总量、避免门体打开后蒸汽喷出情况的发生，进而避免了用户打开门体后蒸汽喷出、余热损伤用户情况的发生。
实施例一
本实施例中，所述的干衣机的蒸汽发生器8可以为具有如下结构的现有任一蒸汽发生器：设有形成一定容积腔室的本体，腔室内设有将水转化为蒸汽的加热装置，本体上设有供水流进入腔室的进水口和供蒸汽流出腔室的出气口。
如图1所示，在本实施例中，蒸汽发生器8的出气口与第一管道14的一端相连通，第一管道14的另一端分别与第一支管10和第二支管11相连通，第一支管10与外筒1相连通，第二支管11与喷淋器15相连通。
本实施例中，所述第一支管10和第二支管11上分别设有控制支管通断的第一阀门16和第二阀门13，从而使得在干衣机处于不同状态时分别对应控制控制阀开闭，以达到调节蒸汽流动方向的目的。
本实施例中，干衣机工作过程中的对应状态如下：
状态1、干衣机工作初期，第一阀门16闭合、第二阀门13打开，使蒸汽发生器8的出气口只与设置于蒸发器7上方喷淋器15相连通，蒸汽全部经喷淋器15流向蒸发器 7，使蒸汽的热量传递给蒸发器7，蒸发器7吸热后在压缩机作用下将热量通过冷凝器释放，加快了热泵系统整体的工作效率，提高了干衣机的升温速度，进而加快了干衣机的干衣速率、并降低了干衣机的启动能耗。
状态2、对衣物进行正常的蒸汽处理过程中，当干衣机衣物投放口处的门体18闭合时，第一阀门16和第二阀门13同时打开，蒸汽发生器8的出气口与外筒和设置于蒸发器7上方的喷淋器15分别相连通，蒸汽流入外筒1并通向蒸发器7，流入外筒1的蒸汽对衣物进行蒸汽洗涤、消毒等处理，通向蒸发器7的蒸汽对蒸发器7上附着的线屑进行清除以及对蒸发器7及其周围部件进行杀菌。
本实施例中，还可以，所述的第一支管10设有控制支管通断的第一阀门16，第二支管11上不设置控制支管通断的阀门。在干衣机工作过程中，只涉及将第一阀门16关闭，使蒸汽全部通向蒸发器7，蒸发器7吸热后在压缩机作用下将热量通过冷凝器释放，加快热泵系统整体的工作效率，提高干衣机的升温速度，进而加快干衣机的干衣速率、并降低干衣机的启动能耗，或使蒸汽通向蒸发器7并将热量传导在翅片上，防止在门体打开后蒸汽发生器8内的余热使蒸汽继续或突然喷射，避免操作人员烫伤事故的发生，而在干衣机工作过程中，第二支管11一直处于连通状态。第一支管10设有控制支管通断的第一阀门16，第二支管上11不设置控制支管通断的阀门，减少了管路上所需阀门的数量，降低了生产成本。
实施例二
本实施例与上述实施例一的区别在于：如图1所示，第一支管10和第一管道14之间的轴线夹角大于第二支管11和第一管道14之间的轴线夹角。通过上述设置，使得第一支管10、第二支管11和第一管道14相交处的三通结构具有文丘里效应，令第一管道14的蒸汽大部分流向第一支管10，少部分流向第二支管11。
如图2所示，本实施例中，第一管道14的一端与蒸汽发生器8的出气口相连通，另一端经三通17与第一支管10和第二支管11分别相连通。所述三通17包括进气段、第一出气段和第二出气段，进气段、第一出气段和第二出气段的一端相连通于同一处，另一端对应的分别与第一管道14、第一支管10和第二支管11相连通；优选的，所述三通17的第一出气段和进气段的轴线夹角β为大于90度的钝角，第二出气段和进气段的轴线夹角α为小于90度的锐角；更优选的，第一出气段和进气段同轴设置，使得夹角 β为180度。
本实施例中，干衣机工作过程中的对应状态如下：
状态1、对衣物进行正常的蒸汽处理过程中，当干衣机衣物投放口处的门体18闭合时，第一阀门16和第二阀门13同时打开，蒸汽发生器8的出气口与相连和设置于蒸发器7上方的喷淋器15分别相连通，蒸汽发生器8流出的大部分蒸汽经与第一管道14轴线夹角较大的第一支管10流入外筒1，蒸汽发生器8流出的少部分蒸汽经与第一管道14轴线夹角较小的第二支管11通向蒸发器7，流入外筒1的蒸汽对衣物进行蒸汽洗涤、消毒等处理，通向蒸发器7的蒸汽对蒸发器7上附着的线屑进行清除以及对蒸发器7及其周围部件进行杀菌。
状态2、干衣机对衣物进行正常的蒸汽处理过程中、当干衣机衣物投放口处的门体18打开时，第一阀门16闭合、第二阀门13打开，使蒸汽发生器8的出气口只与设置于蒸发器7上方的喷淋器15相连通，蒸汽全部通向蒸发器7，蒸汽通向蒸发器7并将热量传导在翅片上，防止了在门体18打开后蒸汽发生器8内的余热使蒸汽继续或突然喷射，避免了操作人员烫伤事故的发生。
本实施例中，还可以，如图1所示，直接将第一支管10、第二支管11、第一管道14的端部相交汇连通于一处，以避免三通17的使用，简化管路的结构数量，减少管路的连接数量。
实施例三
本实施例与上述实施例一至二的区别在于：第一支管10相对水平面向上倾斜或平行设置；第二支管11相对水平面向下倾斜。上述条件下，蒸汽发生器8产生的未气化水在重力作用下自动流入设置于蒸发器7上方的喷淋器15中对蒸发器7进行喷淋，以清除蒸发器7上附着的线屑、并对蒸发器7及其周围部件进行杀菌。
本实施例中，干衣机工作过程中的对应状态如下：
状态1、对衣物进行正常的蒸汽处理过程中，当干衣机衣物投放口处的门体18闭合时，第一阀门16和第二阀门13同时打开，蒸汽发生器8的出气口与外筒1和设置于蒸发器7上方的喷淋器15分别相连通，蒸汽发生器8流出的大部分蒸汽经与第一管道14轴线夹角较大的第一支管10流入外筒1，蒸汽发生器8流出的少部分蒸汽和未气化水经与第一管道14轴线夹角较小的第二支管11通向蒸发器7，流入外筒1的蒸汽对衣物进 行蒸汽洗涤、消毒等处理，通向蒸发器7的蒸汽和未气化水对蒸发器7上附着的线屑进行清除以及对蒸发器7及其周围部件进行杀菌。
状态2、干衣机对衣物进行正常的蒸汽处理过程中、当干衣机衣物投放口处的门体18打开时，第一阀门16闭合、第二阀门13打开，使蒸汽发生器8的出气口只与设置于蒸发器7上方的喷淋器15相连通，蒸汽和未气化水全部通向蒸发器7，蒸汽通向蒸发器7并将热量传导在翅片上，防止了在门体18打开后蒸汽发生器8内的余热使蒸汽继续或突然喷射，避免了操作人员烫伤事故的发生，未气化水在重力作用下自动流入设置于蒸发器7上方的喷淋器15中对蒸发器7进行喷淋，以清除蒸发器7上附着的线屑，并对蒸发器7及其周围部件进行杀菌。
优选的，第一管道与第一支管的轴线夹角β为大于90度的钝角，第一管道与第二支管的轴线夹角α为小于90度的锐角；更优选的，第一管道与第一支管的轴线夹角β为180度。
实施例四
本实施例与上述实施例一至三的区别在于：干衣机具有状态3、当干衣机对衣物进行正常的蒸汽处理过程完成后，蒸汽发生器8中的加热装置停止工作，并继续向蒸汽发生器8中进水一定时间，以对蒸汽发生器8中的水垢和残存的杂质进行冲洗，蒸汽发生器8中的冲洗水经喷淋器15流向蒸发器7，对蒸发器7上侧残留附着的线屑进行清理。
本实施例中，在干衣机处于状态3时，第一阀门16闭合、第一阀门13打开，令经进水管9流入蒸汽发生器8中的冲洗水经出气口、第一管道14、第二支管11、喷淋器15通向蒸发器7，对蒸发器7上残留附着的线屑进行清理，达到对蒸发器7进行清洁的效果，最后经蒸发器7所在的烘干风路2上设置的供冷凝水排出的冷凝水排水管外排，以实现流入蒸汽发生器8中冲洗水对蒸发器7进行清洁后外排至干衣机外部的目的。
以上所述仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本发明的技术人员在不脱离本发明技术方案范围内，当可利用上述提示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明方案的范围内。

Claims (10)

  1. 一种干衣机，其特征在于，干衣机上设有蒸汽发生器(8)，蒸汽发生器(8)的出气口经管路分别与外筒(1)和设置于蒸发器(7)上方的喷淋器(15)相连通，使蒸汽可控地流向外筒(1)和/或蒸发器(7)。
  2. 根据权利要求1所述的一种干衣机，其特征在于，蒸汽发生器(8)的出气口与第一管道(14)的一端相连通，第一管道(14)的另一端分别与第一支管(10)和第二支管(11)相连通，第一支管(10)与外筒(1)相连通，第二支管(11)与喷淋器(15)相连通。
  3. 根据权利要求1所述的一种干衣机，其特征在于，第一支管(10)和第一管道(14)之间的轴线夹角大于第二支管(11)和第一管道(14)之间的轴线夹角；
    优选的，第一支管(10)相对水平面向上倾斜或平行设置；第二支管(11)相对水平面向下倾斜。
  4. 根据权利要求1-3任意一项所述的一种干衣机，其特征在于，所述第一支管(10)和第二支管(11)上分别设有控制支管通断的第一阀门(16)和第二阀门(13)。
  5. 一种干衣机的控制方法，其特征在于，干衣机工作初期，蒸汽发生器产生的蒸汽全部流向干衣机的蒸发器；对衣物进行正常的蒸汽处理过程中，蒸汽发生器产生的大部分蒸汽流入干衣机的外桶、未气化水会在重力作用下经喷淋器流向干衣机的蒸发器。
  6. 根据权利要求5所述的一种干衣机的控制方法，其特征在于，干衣机工作初期，第一阀门闭合、第二阀门打开，使蒸汽发生器的出气口只与设置于蒸发器上方喷淋器相连通，蒸汽全部经喷淋器流向蒸发器。
  7. 根据权利要求5所述的一种干衣机的控制方法，其特征在于，对衣物进行正常的蒸汽处理过程中，第一阀门和第二阀门同时打开，蒸汽发生器的出气口与外筒和设置于蒸发器上方的喷淋器分别相连通，蒸汽发生器流出的大部分蒸汽经与第一管道轴线夹角较大的第一支管流入外筒，蒸汽发生器流出的少部分蒸汽和未气化水经与第一管道轴线夹角较小的第二支管通向蒸发器。
  8. 根据权利要求5-7任意一项所述的一种干衣机的控制方法，其特征在于，干衣机对衣物进行正常的蒸汽处理过程中、当干衣机衣物投放口处的门体打开时，第一阀门 闭合、第二阀门打开，使蒸汽发生器的出气口只与设置于蒸发器上方的喷淋器相连通，蒸汽和未气化水全部通向蒸发器。
  9. 根据权利要求5-7任意一项所述的一种干衣机的控制方法，其特征在于，当干衣机对衣物进行正常的蒸汽处理完成后，蒸汽发生器中的加热装置停止工作，继续向蒸汽发生器中进水一定时间，以对蒸汽发生器中的水垢和残存的杂质进行冲洗。
  10. 根据权利要求9项所述的一种干衣机的控制方法，其特征在于，蒸汽发生器中的冲洗水经喷淋器流向蒸发器，对蒸发器上侧残留附着的线屑进行清理。
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