CN101775736B - Drying control method for water-saving washing machine to realize just-in-time (JIT) stop after drying clothes - Google Patents
Drying control method for water-saving washing machine to realize just-in-time (JIT) stop after drying clothes Download PDFInfo
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- CN101775736B CN101775736B CN2010100465547A CN201010046554A CN101775736B CN 101775736 B CN101775736 B CN 101775736B CN 2010100465547 A CN2010100465547 A CN 2010100465547A CN 201010046554 A CN201010046554 A CN 201010046554A CN 101775736 B CN101775736 B CN 101775736B
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- 238000001035 drying Methods 0.000 title claims abstract description 57
- 238000005406 washing Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000007791 dehumidification Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 3
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 241000196435 Prunus domestica subsp. insititia Species 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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Abstract
The invention relates to a drying control method for a water-saving washing machine to realize just-in-time (JIT) stop after drying clothes. The method comprises the following steps of: at the beginning of drying, detecting the temperature of hot steam in an internal cylinder by using an internal cylinder temperature sensor; judging whether the temperature is lower than a set first starting temperature, if so, closing a water inlet valve of a dehumidifying tube, otherwise, opening the water inlet valve of the dehumidifying tube; judging whether the temperature of the hot steam in the internal cylinder is lower than a set second starting temperature, if so, closing the water inlet valve of the dehumidifying tube, otherwise, returning to judge continuously; and judging the drying degree of the clothes in the internal cylinder, when the drying degree reaches a set value, stopping a heater, and when the temperature is lower than a set opening safety temperature, stopping a drying fan and ending up the drying process. The method has the advantages of reducing the water consumption, improving the condensing efficiency of the hot steam in the internal cylinder, automatically detecting the drying degree of the clothes, automatically stopping the drying motion after detecting the clothes are dried and fulfilling a high-efficiency, rapid and energy-saving clothes-drying aim.
Description
Technical field
The present invention relates to the washing machine technical field, particularly a kind of water-saving type laundry machine is realized the drying control method of clothes drying-stopping.
Technical background
At present, the heating, drying mode of clothing has two kinds of hot blast straight-line and condensings usually.Wherein, straight-line is to adopt hot blast directly to blow over moist clothing, and the water vapour of generation is directly discharged body around indoor.And condensing adopts the circulating air heats laundry to produce steam, come moisture content in the heat of condensation steam by the running water in the condenser pipe, the aqueous water that produces is discharged by drainpipe, the complete machine dry-steam is directly discharged, belong to environment-friendly type drying pattern, high-grade washing-drying integral machine or dryer adopt the condensing drying technology more.
Existing condensing oven dry control mode, in dry run, the condensation water inlet is opened all the time, and in addition, in order to prevent to dry by the fire bad clothing, the temperature detect switch (TDS)s that adopt prevent that temperature is too high more on the heater.The shortcoming of this control technology is: cooling water consumption is bigger in the drying course, heat exchanger effectiveness is low, the process control mode is single, in the drying course, whether drying can't be differentiated differentiation to clothing, and drying effect only guarantees according to the setting drying work time, is not dry by the fire to do usually, be exactly dry undue, process control is unreasonable.
Summary of the invention
Technical problem to be solved by this invention provides and a kind ofly can detect the drying control method that cloth drying degree, efficient, energy-conservation water-saving type laundry machine realize clothes drying-stopping automatically.
Technical scheme of the present invention is as follows:
A kind of water-saving type laundry machine is realized the drying control method of clothes drying-stopping, may further comprise the steps:
(1) when beginning to dry, heater and oven dry fan are worked simultaneously, the inner core temperature sensor detects the temperature of vapours in the inner tank of washing machine, judge whether this temperature is lower than setting first and opens temperature, if judged result is for being, then close the dehumidification pipe water intaking valve, otherwise, the dehumidification pipe water intaking valve opened;
(2) dehumidifying water in the dehumidification pipe and the vapours in the inner core are carried out heat exchange, judge whether the temperature of vapours in the inner core is lower than the setting second unlatching temperature, if judged result for being, is then closed the dehumidification pipe water intaking valve, continue to judge otherwise return;
(3) judge the degree of drying of clothing in the inner core, when degree of drying reached setting value, heater quit work, and judges the temperature of vapours in the inner core again, when this temperature less than opening the door during safe temperature of setting, the oven dry fan quits work, drying procedure finishes.
When beginning to dry, degree of drying to inner core underpants thing is judged, at first detect the temperature of dehumidifying water by the dehumidifying water temperature sensor, detect the temperature of vapours in the inner core by the inner core temperature sensor, and the initial temperature of calculating the two is poor, in the process of oven dry, continuation detects the temperature of vapours in dehumidifying temperature of water and the inner core, and calculate the two temperature difference, if differing, this temperature difference and initial temperature difference reach when setting difference, the expression clothing is drying, and heater quits work.
After heater quit work, the oven dry fan worked on, and the inner core temperature sensor detects the temperature of vapours in the inner core, when vapours temperature in the inner core less than opening the door during safe temperature of setting, the oven dry fan quits work, drying procedure finishes.
Temperature sensor detects the temperature in the washing machine external world, when the ambient temperature that detects is low, prolongs the oven dry make-up time, when the ambient temperature that detects is higher, shortens the oven dry make-up time.
The described first unlatching temperature is 72 ℃～76 ℃, and the described second unlatching temperature is 66 ℃～68 ℃.
Described temperature sensor is arranged on the bottom of urceolus, described dehumidifying water temperature sensor is arranged on the urceolus and is positioned at the below of dehumidification pipe outlet, described inner core temperature sensor is arranged on the urceolus and is positioned at the top of dehumidification pipe outlet, described temperature sensor, dehumidifying water temperature sensor, inner core temperature sensor transfer to the signal input part of controller with the temperature signal of gathering, and the signal output part of controller is connected with dehumidification pipe water intaking valve, heater and oven dry fan respectively.
Described setting difference is 8 ℃～10 ℃.
The described safe temperature of opening the door is 45 ℃～47 ℃.
The present invention compared with prior art, the present invention detects the temperature of vapours in the inner tank of washing machine by the inner core temperature sensor is set, according to the temperature of vapours in the inner core just control the dehumidifying water water inlet and cut off the water, reduced water consumption, improved condensation efficiency to vapours in the inner core.Simultaneously, the present invention detects the degree of drying of clothing automatically by the temperature of dehumidifying water temperature sensor detection dehumidifying water, after detecting cloth drying, stops the oven dry action automatically, reaches efficient, quick, energy-conservation drying clothes purpose.
Description of drawings
Fig. 1 is a circuit block diagram of the present invention;
Fig. 2 is a structural representation of the present invention.
The specific embodiment
As depicted in figs. 1 and 2, a kind of water-saving type laundry machine is realized the drying control method of clothes drying-stopping, may further comprise the steps: the first, when beginning to dry, heater 4 and oven dry fan 3 are worked simultaneously, the temperature of vapours detects in 7 pairs of inner tank of washing machine 9 of inner core temperature sensor, judge whether this temperature is lower than and set first and open temperature, if judged result is for being then to close dehumidification pipe water intaking valve 2, otherwise, open dehumidification pipe water intaking valve 2; Second, dehumidifying water in the dehumidification pipe 10 and the vapours in the inner core 9 are carried out heat exchange, whether the temperature of judging vapours in the inner core 9 is lower than the setting second unlatching temperature, if judged result is for being, then close dehumidification pipe water intaking valve 2, continue to judge whether the temperature of vapours in the inner core 9 is lower than the setting second unlatching temperature otherwise return; The 3rd, the degree of drying of clothing in the judgement inner core 9 is when degree of drying reaches setting value, heater 4 quits work, and judges the temperature of vapours in the inner core 9 again, when this temperature less than opening the door during safe temperature of setting, oven dry fan 3 quits work, and drying procedure finishes.The described first unlatching temperature is 72 ℃～76 ℃, and the described second unlatching temperature is 66 ℃～68 ℃.
As shown in Figure 2, when dehumidification pipe water intaking valve 2 is opened, dehumidifying water flows into washing machine by water inlet pipe 13, dehumidifying water flows in dehumidification pipe 10 from top to bottom, the vapours that contains a large amount of moisture content is under the attraction of oven dry fan 3, in dehumidification pipe 10, flow from bottom to top, dehumidifying water and vapours are fully carried out heat exchange in dehumidification pipe 10, vapours Yin Wendu descends and the moisture content that freeze-outs, water that freeze-outs and dehumidifying water are flowed through behind the dehumidifying water temperature sensor 6 together, after opening draining valve 11, are discharged by drainpipe 12, overflow pipe 14 is used for unnecessary washings are overflowed, and purpose is to influence clean result in order to prevent that water level is too high and reduce the spilling water security performance.The present invention controls opening and closing of dehumidification pipe water intaking valve 2 at interval according to the temperature of vapours in the inner core 9 height, and it is about 50% to have reduced the consumption of condensed water, has improved the condensation efficiency of water vapour greatly.Dehumidifying water temperature sensor 6 can detect the dehumidify water inlet state of water of user simultaneously, when dehumidification pipe water intaking valve 2 is opened, if it is too high to detect water temperature, then may be that the user forgets and opens feed cock, the water that do not dehumidify, and oven dry can't be carried out, and autostop is reported to the police.
The temperature gap of vapours in temperature by the water that relatively dehumidifies and the inner core 9, can measure the degree of drying of clothing, concrete decision method is as follows: as shown in Figure 2, when beginning to dry, degree of drying to clothing in the inner core 9 is judged, at first detect the temperature of dehumidifying water by dehumidifying water temperature sensor 6, detect the temperature of vapours in the inner core 9 by inner core temperature sensor 7, and the initial temperature of calculating the two is poor, in the process of oven dry, continuation detects the temperature of vapours in dehumidifying temperature of water and the inner core 9, and calculate the two temperature difference, and if differing, this temperature difference and initial temperature difference reach when setting difference, the expression clothing is drying, heater 4 quits work, and described setting difference is 8 ℃～10 ℃.After heater 4 quits work, oven dry fan 3 works on, inner core temperature sensor 7 detects the temperature of vapours in the inner core 9, when vapours temperature in the inner core 9 less than opening the door during safe temperature of setting, oven dry fan 3 quits work, drying procedure finishes, and has realized the purpose of clothes drying-stopping, and the described safe temperature of opening the door is 45 ℃～47 ℃.
As depicted in figs. 1 and 2, the temperature in 5 pairs of washing machine external worlds of temperature sensor detects, and when the ambient temperature that detects is low, prolongs the oven dry make-up time, when the ambient temperature that detects is higher, shortens the oven dry make-up time.Described temperature sensor 5 is arranged on the bottom of urceolus 8, described dehumidifying water temperature sensor 6 is arranged on the urceolus 8 and is positioned at the below of dehumidification pipe 10 outlets, described inner core temperature sensor 7 is arranged on the urceolus 8 and is positioned at the top of dehumidification pipe 10 outlets, described temperature sensor 5, dehumidifying water temperature sensor 6, inner core temperature sensor 7 transfer to the signal input part of controller 1 with the temperature signal of gathering, and the signal output part of controller 1 is connected with dehumidification pipe water intaking valve 2, heater 4 and oven dry fan 3 respectively.Controller 1 can be gathered input signal automatically, the operation of each execution unit of coordinative command automatic washing machine, is integrated with the computer plate of electronic component such as single-chip microcomputer.
Claims (8)
1. water-saving type laundry machine is realized the drying control method of clothes drying-stopping, it is characterized in that: may further comprise the steps:
(1) when beginning to dry, heater and oven dry fan are worked simultaneously, the inner core temperature sensor detects the temperature of vapours in the inner tank of washing machine, judge whether this temperature is lower than setting first and opens temperature, if judged result is for being, then close the dehumidification pipe water intaking valve, otherwise, the dehumidification pipe water intaking valve opened;
(2) dehumidifying water in the dehumidification pipe and the vapours in the inner core are carried out heat exchange, judge whether the temperature of vapours in the inner core is lower than the setting second unlatching temperature, if judged result for being, is then closed the dehumidification pipe water intaking valve, continue to judge otherwise return;
(3) judge the degree of drying of clothing in the inner core, when degree of drying reached setting value, heater quit work, and judges the temperature of vapours in the inner core again, when this temperature less than opening the door during safe temperature of setting, the oven dry fan quits work, drying procedure finishes.
2. water-saving type laundry machine according to claim 1 is realized the drying control method of clothes drying-stopping, it is characterized in that: when beginning to dry, degree of drying to inner core underpants thing is judged, at first detect the temperature of dehumidifying water by the dehumidifying water temperature sensor, detect the temperature of vapours in the inner core by the inner core temperature sensor, and the initial temperature of calculating the two is poor, in the process of oven dry, continuation detects the temperature of vapours in dehumidifying temperature of water and the inner core, and calculate the two temperature difference, reach when setting difference if this temperature difference and initial temperature difference differ, the expression clothing is drying, and heater quits work.
3. water-saving type laundry machine according to claim 1 is realized the drying control method of clothes drying-stopping, it is characterized in that: after heater quits work, the oven dry fan works on, the inner core temperature sensor detects the temperature of vapours in the inner core, when vapours temperature in the inner core less than opening the door during safe temperature of setting, the oven dry fan quits work, and drying procedure finishes.
4. water-saving type laundry machine according to claim 1 is realized the drying control method of clothes drying-stopping, it is characterized in that: temperature sensor detects the temperature in the washing machine external world, when the ambient temperature that detects is low, prolong the oven dry make-up time, when the ambient temperature that detects is higher, shorten the oven dry make-up time.
5. water-saving type laundry machine according to claim 1 is realized the drying control method of clothes drying-stopping, it is characterized in that: the described first unlatching temperature is 72 ℃～76 ℃, and the described second unlatching temperature is 66 ℃～68 ℃.
6. realize the drying control method of clothes drying-stoppings according to claim 2 or 3 or 4 described water-saving type laundry machines, it is characterized in that: described temperature sensor is arranged on the bottom of urceolus, described dehumidifying water temperature sensor is arranged on the urceolus and is positioned at the below of dehumidification pipe outlet, described inner core temperature sensor is arranged on the urceolus and is positioned at the top of dehumidification pipe outlet, described temperature sensor, the dehumidifying water temperature sensor, the inner core temperature sensor transfers to the signal input part of controller with the temperature signal of gathering, the signal output part of controller respectively with the dehumidification pipe water intaking valve, heater is connected with the oven dry fan.
7. water-saving type laundry machine according to claim 2 is realized the drying control method of clothes drying-stopping, and it is characterized in that: described setting difference is 8 ℃～10 ℃.
8. water-saving type laundry machine according to claim 3 is realized the drying control method of clothes drying-stopping, and it is characterized in that: the described safe temperature of opening the door is 45 ℃～47 ℃.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100465547A CN101775736B (en) | 2010-01-18 | 2010-01-18 | Drying control method for water-saving washing machine to realize just-in-time (JIT) stop after drying clothes |
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| CN2010100465547A CN101775736B (en) | 2010-01-18 | 2010-01-18 | Drying control method for water-saving washing machine to realize just-in-time (JIT) stop after drying clothes |
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| CN101775736B true CN101775736B (en) | 2011-12-21 |
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| CN105568648A (en) * | 2014-10-15 | 2016-05-11 | 青岛胶南海尔洗衣机有限公司 | Clothes dryer control method and clothes dryer |
| CN105002711A (en) * | 2015-08-11 | 2015-10-28 | 珠海格力电器股份有限公司 | Pre-cooling device for heat pump type clothes drier, clothes drier and control method |
| CN106592179B (en) * | 2015-10-16 | 2020-09-08 | 青岛海尔滚筒洗衣机有限公司 | Clothes dryer with steam function and steam control method |
| CN107574643B (en) * | 2016-07-05 | 2020-12-25 | 青岛海尔滚筒洗衣机有限公司 | Method for adjusting quantity of condensing medium according to control period of heater |
| CN110791935A (en) * | 2018-07-16 | 2020-02-14 | 青岛海尔滚筒洗衣机有限公司 | Clothes drying method and clothes processing equipment |
| CN111101350B (en) * | 2018-10-26 | 2022-09-27 | 无锡小天鹅电器有限公司 | Clothes treating device |
| CN111101351B (en) * | 2018-10-26 | 2022-08-26 | 无锡小天鹅电器有限公司 | Drying system and clothes treatment device |
| CN112726164A (en) * | 2019-10-12 | 2021-04-30 | 佛山市云米电器科技有限公司 | Drying control method and clothes nursing machine |
| CN112323341A (en) * | 2020-10-16 | 2021-02-05 | 青岛海尔空调器有限总公司 | Drying system and clothes treatment equipment comprising same |
| CN112206585A (en) * | 2020-10-23 | 2021-01-12 | 徐少佐 | Automatic cleaning device for air conditioner filter screen |
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2010
- 2010-01-18 CN CN2010100465547A patent/CN101775736B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2563178Y (en) * | 2001-06-05 | 2003-07-30 | 松下电器产业株式会社 | Washing-drying washing machine |
| CN1908284A (en) * | 2005-08-01 | 2007-02-07 | 海尔集团公司 | Self-adaptive laundry method and device |
| CN1978731A (en) * | 2005-11-29 | 2007-06-13 | 海尔集团公司 | Drum washing-drying machine and drying time determining method |
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Owner name: WHIRLPOOL (CHINA) CO., LTD. Free format text: FORMER NAME: HEFEI RONGSHIDA SANYO ELECTRIC CO., LTD. |
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Address after: 230088 No. 96 science Avenue, hi tech Zone, Anhui, Hefei Patentee after: Whirlpool (China) Limited by Share Ltd Address before: 230088 No. 96 science Avenue, hi tech Zone, Anhui, Hefei Patentee before: Hefei Rongshida Sanyo Electric Co., Ltd. |