CN105420997A - Heating method and device and washing machine - Google Patents
Heating method and device and washing machine Download PDFInfo
- Publication number
- CN105420997A CN105420997A CN201510705512.2A CN201510705512A CN105420997A CN 105420997 A CN105420997 A CN 105420997A CN 201510705512 A CN201510705512 A CN 201510705512A CN 105420997 A CN105420997 A CN 105420997A
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- China
- Prior art keywords
- heating
- washings
- temperature
- washing machine
- heater
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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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/04—Heating 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
- D06F33/00—Control of operations performed in washing machines or washer-dryers
-
- D06F39/045—
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- D06F2202/04—
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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
The invention discloses a heating method and device and a washing machine. According to the main technical scheme, the heating method is applied to heating of wash water of the washing machine and comprises the steps of electrically heating wash water to a set temperature T under a set voltage; conducting voltage-reduction heating on wash water, wherein during voltage-reduction heating, electrical heating voltage is reduced continuously at a set rate; detecting the temperature of wash water in real time, and determining whether to continue to conduct voltage-reduction heating or stop heating or conduct constant-pressure heating according to the temperature of wash water so as to keep the temperature of wash water within T+/-T0. A washing agent can be heated by the heating device and the washing machine by means of the heating method. The heating method and device and the washing machine are mainly used for keeping the temperature of wash water in the washing machine within the optimum temperature range which is suitable for the washing agent.
Description
Technical field
The present invention relates to a kind of technical field of heating, particularly relate to a kind of heating means for heated scrub water, heater and washing machine.
Background technology
Washing machine is one of household electrical appliance relatively commonly used in people's daily life.The use of washing machine, for the life of people offers convenience.But along with improving constantly of people's quality of life, the requirement of people to laundry washer effect is also more and more higher.Existing roller washing machine, owing to can heat washings when washing clothes, fully excites the activity of enzyme in washing agent, thus improves clean result, and meanwhile, heated scrub water can also kill the bacterium of carrying in clothes, and is used by users.
The method that roller washing machine of the prior art all adopts level pressure to heat heats washings.Wherein, level pressure heating means realize mainly through following two kinds of modes, wherein, first kind of way is: by heater, washings one-time heating is stopped heating afterwards to design temperature (this design temperature refers to the temperature of the abundant kinase activity of energy), then carry out washing procedure always.The second way is: set a temperature difference, and according to set temperature difference, level pressure heating is carried out in circulation.
But the present inventor finds that in the method for above-mentioned level pressure heated scrub water, at least there are the following problems:
(1) after adopting the first level pressure mode of heating above-mentioned that washings are heated to design temperature, the temperature of washings can reduce gradually along with wash time, especially when ambient temperature is lower, it is faster that wash temperature declines, and the activity of washing agent needs to be stabilized in a very little temperature range and just can play best clean effect, the activity of washing agent can be made like this to reduce gradually, finally lose activity, thus affect clean result.
(2) when adopting above-mentioned the second level pressure mode of heating to washings circulating-heating, the frequent start-stop of electric heater can be made like this, waste electricity; And the temperature range controlled is comparatively large, be difficult to make temperature stabilization in the optimum temperature range that washing agent is applicable to.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of heating means, heater and washing machine, and always main purpose makes the temperature of washings in washing machine be stabilized in the applicable optimum temperature range of washing agent, to improve clean result.
For achieving the above object, the present invention mainly provides following technical scheme:
On the one hand, embodiments provide a kind of heating means, for heating the washings in washing machine drum, described heating means comprise the steps:
Level pressure heats: under setting voltage, by washings electrical heating to design temperature T;
Step-down is heated: carry out step-down heating to washings;
Detect, select: the temperature detecting washings in real time, and by the temperature value T of washings
1compare with design temperature scope, select to proceed step-down heating steps according to comparative result, or stop heating, or carry out level pressure heating steps, remain on T ± T to make the temperature of washings
0in, wherein, T
0for design temperature is poor.Preferably, when carrying out step-down heating steps:
If the temperature value T of washings
1> T-T
0, and T
1< T+T
0time, then proceed step-down heating steps;
If the temperature value T of washings
1>=T+T
0time, then stop heating.
Preferably, in described step-down heating process, described electrically heated voltage continues to reduce to set speed.
Preferably, when after stopping heating, if the temperature value T of washings
1> T-T
0, and T
1< T+T
0time, then carry out step-down heating steps.
Preferably, as the temperature value T of washings
1≤ T-T
0time, then carry out level pressure heating steps.
Preferably, described setting voltage is electrically heated ceiling voltage.
Preferably, described design temperature T is the optimum temperature of organized enzyme in washing agent.Described design temperature is poor≤and 1 DEG C.
Preferably, in described step-down heating steps, described electrical heating, continues to reduce to set speed for starting point with described setting voltage.
On the other hand, the embodiment of the present invention also provides a kind of heater, and for heating the washings in washing machine drum, described heater comprises:
Heating module, described heating module is used for the washings in heating washer cylinder;
Detection module, described detection module is used for the temperature detecting washings in washing machine drum in real time;
Control module, described control module is connected with described heating module, detection module respectively;
Wherein, the temperature of washing water value that described control module detects according to described detection module, control described heating module and stop heating, or control described heating module, with setting voltage, level pressure heating is carried out to washings, or control described heating module and step-down heating is carried out to washings, to make the temperature of washings for T ± T
0, wherein, T is design temperature, T
0for design temperature is poor.
Preferably, described heater can heat washings with the method described in above-mentioned any one.
On the other hand, the embodiment of the present invention also provides a kind of washing machine, and this laundry function heats the washings in cylinder, and described washing machine comprises:
Cylinder;
Heater, described heater is connected with described cylinder, for the washings in heated roller, and makes the temperature of washings be T ± T
0, wherein, T is design temperature, T
0for design temperature is poor;
Wherein, described heater is the heater described in above-mentioned any one.
Compared with prior art, the embodiment of the present invention proposes a kind of heating means, heater and washing machine at least have following beneficial effect:
The heating means that the embodiment of the present invention proposes, heater and washing machine are when heating washings, first with setting voltage, washings are quickly heated up to design temperature T, voltage heated scrub water is reduced gradually again according to setting speed, and detect temperature of washing water in real time, judge to select to continue step-down heating or stop heating or with setting voltage heated scrub water, make the temperature of washings remain on T ± T always according to real-time detected temperatures
0interior (T
0temperature difference for setting), thus make the washing agent in washings be stabilized in the optimum range of applicable temperature always, improve clean result, shorten wash time.
Further, be heated in the step of design temperature T with setting voltage by washings level pressure, setting voltage is preferably electrically heated ceiling voltage (namely electrical heating is when heating, given maximum voltage).Such setting can realize following advantage: on the one hand, with the shortest time, the washings of normal temperature can be heated to design temperature with the electrical heating of maximum voltage, thus shortens wash time.On the other hand, after follow-up step-down heating steps, stopping heating, once the temperature T of washings be detected in real time
1≤ T-T
0time, then the electrical heating using maximum voltage at once just by temperature return to design temperature T, the enzyme of washing agent in whole washing process is lived and is in abundant state of activation always, it can not be made actively to reduce, thus make clean result better.
To sum up, the heating means that the embodiment of the present invention provides, heater and washing machine use time variant voltage heating to make the temperature of washings be stabilized in the applicable optimum temperature range of washing agent always, improve clean result, and shorten wash time.
Accompanying drawing explanation
The control flow chart of a kind of heating means that Fig. 1 provides for the embodiment of the present invention.
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to the detailed description of the invention of the present patent application, structure, feature and effect thereof, be described in detail as follows.In the following description, the not necessarily same embodiment that different " embodiment " or " embodiment " refers to.In addition, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
The present embodiment provides a kind of heating means, and for heating the washings in washing machine drum, wherein, heating means comprise the steps:
Level pressure heating steps: under setting voltage, by washings electrical heating to design temperature T.
Step-down heating steps: step-down heating is carried out to washings; Preferably, in step-down heating process, electrically heated voltage continues to reduce to set speed.
Detect, select step: the temperature detecting washings in real time, and by the temperature value T of detected washings
1compare judgement with design temperature scope, make following selection: carry out step-down heating steps, or stop heating, or carry out level pressure heating steps, remain on T ± T to realize making the temperature of washings
0in, wherein, T
0for design temperature is poor.
Preferably, the testing result of above-mentioned detection, selection step makes a choice according to following condition:
(1) when step-down heating steps carries out, if the temperature value T of washings detected in real time
1> T-T
0, and T
1< T+T
0time, then proceed step-down heating steps.If the temperature value T of washings detected in real time
1>=T+T
0, then heating is stopped immediately.
This detection, when selecting that mainly depressurization step is carried out, the temperature of washing water value detected in real time and design temperature scope are compared, as above selects according to comparative result.
(2) if after stopping heating to washings, when the temperature value T of washings being detected in real time
1> T-T
0, and T
1< T+T
0time, then carry out step-down heating steps.
(3) as the temperature T of washings
1≤ T-T
0time, then carry out level pressure heating steps.
As long as this detection, selection are the temperature values for the temperature value of the washings of detection real-time in step-down heating steps and the washings of the rear real-time detection of stopping heating, the temperature T of the washings detected in real time above-mentioned
1≤ T-T
0, just carry out level pressure heating steps.
Preferably, the setting voltage in above-mentioned steps is preferably electrically heated ceiling voltage (namely electrical heating is when heating, the maximum voltage that can reach).Such setting can realize following beneficial effect: on the one hand, can realize the washings of normal temperature being heated to the object of design temperature with the shortest time, thus shorten wash time with the electrical heating of maximum voltage.On the other hand, after follow-up step-down heating steps, stopping heating, once the temperature T of washings be detected in real time
1≤ T-T
0time, then the electrical heating using maximum voltage at once just by temperature return to design temperature T, the enzyme of washing agent in whole washing process is lived and is in abundant state of activation always, it can not be made actively to reduce, thus make clean result better.
Preferably, in above-mentioned step-down heating steps, electrical heating take setting voltage as starting point, continues to reduce to set speed.Wherein, setting speed range is between 5V/s to 20V/S, preferred 10V/S.
Preferably, the design temperature T in above-mentioned steps is the optimum temperature of organized enzyme in washing agent; Described design temperature≤1 DEG C, thus the temperature substantial constant making washings in whole washing process, and then make the enzyme in washing agent be in the state fully activated always, improve clean result, shorten wash time.
As shown in Figure 1, when adopting the heating means of the present embodiment to heat the washings in washing machine drum, first with the maximum voltage that electrical heating is given, washings level pressure is heated, detect the temperature of washings in real time, washings are quickly heated up to design temperature T.Then start to reduce voltage heated scrub water (that is, the step-down heating described in above-mentioned steps) gradually according to setting speed, and detect the temperature of washings in real time.Wherein, carrying out temperature in real time judges as follows:
If the real-time temperature values T of 1 washings
1>=T+1 DEG C (at this, the temperature difference T of setting
0be 1 DEG C), then stop heating; Then treat that temperature declines, as real time temperature T
1during≤T-1 DEG C, then open maximum voltage and heat, after washings level pressure is heated to design temperature T, then carry out step-down heating.
If the real time temperature T of 2 washings
1scope be: T-1 DEG C of < T
1during < T+1 DEG C, then continue step-down heating, continue real-time judge temperature simultaneously.If real time temperature T
1during≤T-1 DEG C, then open maximum voltage and heat, after being heated to design temperature T, then carry out step-down heating.
In whole washing process, according to above-mentioned steps real-time judge temperature T
1, carry out control temperature, the temperature making washings all the time design temperature T ± 1 DEG C within the scope of.
To sum up, the heating means that the present embodiment proposes are heated to design temperature, with the voltage heated scrub water reduced gradually by given pace and the temperature detecting washings in real time by setting voltage (maximum voltage) to washings level pressure, the real time temperature of washings is compared with design temperature scope, select above-mentioned level pressure to heat, continue step-down heating or stop heating, make the temperature of washings be stabilized in the applicable optimum temperature range of washing agent always, thus improve clean result, and shorten wash time.
Embodiment 2
The present embodiment provides a kind of heater, and for heating the washings in washing machine drum, this heater comprises heating module, detection module and control module.Wherein, heating module is used for the washings in heating washer cylinder.Detection module is used for the temperature detecting washings in washing machine drum in real time; Control module is connected with heating module, detection module respectively, heats and the signal accepting detection module for controlling heating module.
Wherein, the temperature of washing water value that control module detects according to detection module, control described heating module and stop heating, or control heating module carries out level pressure heating with setting voltage (being preferably the maximum heating voltage that heating module allows to use) to washings, or control heating module carries out lasting step-down heating to washings, remains on T ± T to make the temperature of washings
0in, wherein, T is design temperature, T
0for design temperature is poor.
Preferably, the heating module in the present embodiment is electric heater, and it has the function of level pressure heating and transformation heating.
Preferably, the detection module in the present embodiment is temperature sensor, and it is for detecting the temperature of washings in real time, and in real time the temperature signal of washings is transferred to control module.
Preferably, control module is controller, its inside is provided with single-chip microcomputer, for accepting the washings real time temperature signal that detection module transmits, and the design temperature set by washings real time temperature and user and design temperature difference are compared, and then signal is sent to heating module, make heating module to the heating of washings level pressure or continue step-down heating or stop heating, remaining on T ± T to make the temperature of washings always
0in.
Preferably, heater can heat the washings in washing machine drum with the heating means described in embodiment 1, makes the temperature of washings remain on T ± T
0in.
Embodiment 3
The present embodiment provides a kind of washing machine, and this laundry function heats the washings in cylinder, and particularly, the washing machine in the present embodiment comprises cylinder and heater.Heater is connected with described cylinder, for the washings in heated roller, and makes the temperature of washings be T ± T
0, wherein, T is design temperature, T
0for design temperature is poor; Heater is the heater described in above-described embodiment 2.
Preferably, when the heating module of heater is electric heater, the fire end of electric heater is placed in the cylinder of washing machine, and other parts of electric heater be arranged on cylinder outer wall on or other positions.
Preferably, control module arranges with the guidance panel of washing machine integrated.
Preferably, the test section of detection module is arranged in washing machine drum, the temperature of washings to be detected in real time.
To sum up, when the heating means that the embodiment of the present invention provides, heater and washing machine heated scrub water, washings level pressure is heated to design temperature, washs with the voltage heated scrub water reduced gradually by given pace and detection in real time the temperature said, the real time temperature of washings is compared with design temperature scope, select above-mentioned level pressure to heat, continue step-down heating or stop heating, make the temperature of washings be stabilized in the applicable optimum temperature range of washing agent always, thus improve clean result, and shorten wash time.
Those skilled in the art are it is easily understood that under the prerequisite of not conflicting, and above-mentioned each advantageous manner freely can combine, superpose.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (11)
1. heating means, for heating the washings in washing machine drum, is characterized in that, described heating means comprise the steps:
Level pressure heats: under setting voltage, by washings electrical heating to design temperature T;
Step-down is heated: carry out step-down heating to washings;
Detect, select: the temperature detecting washings in real time, and by the temperature value T of washings
1compare with design temperature scope, select to proceed step-down heating steps according to comparative result, or stop heating, or carry out level pressure heating steps, remain on T ± T to make the temperature of washings
0in, wherein, T
0for design temperature is poor.
2. heating means according to claim 1, is characterized in that, in described step-down heating process, described electrically heated voltage continues to reduce to set speed.
3. heating means according to claim 1, is characterized in that, when carrying out step-down heating steps:
If the temperature value T of washings
1> T-T
0, and T
1< T+T
0time, then proceed step-down heating steps;
If the temperature value T of washings
1>=T+T
0time, then stop heating.
4. heating means according to claim 3, is characterized in that, when after stopping heating, if the temperature value T of washings
1> T-T
0, and T
1< T+T
0time, then carry out step-down heating steps.
5. the heating means according to any one of claim 1-4, is characterized in that, as the temperature value T of washings
1≤ T-T
0time, then carry out level pressure heating steps.
6. heating means according to claim 1, is characterized in that, described setting voltage is electrically heated ceiling voltage.
7. heating means according to claim 1, is characterized in that, described design temperature T is the optimum temperature of organized enzyme in washing agent; Described design temperature is poor≤and 1 DEG C.
8. heating means according to claim 1, is characterized in that, in described step-down heating steps, described electrical heating, continues to reduce to set speed for starting point with described setting voltage.
9. a heater, for heating the washings in washing machine drum, is characterized in that, described heater comprises:
Heating module, described heating module is used for the washings in heating washer cylinder;
Detection module, described detection module is used for the temperature detecting washings in washing machine drum in real time;
Control module, described control module is connected with described heating module, detection module respectively;
Wherein, the temperature of washing water value that described control module detects according to described detection module, control described heating module and stop heating, or control described heating module, with setting voltage, level pressure heating is carried out to washings, or control described heating module and step-down heating is carried out to washings, to make the temperature of washings for T ± T
0, wherein, T is design temperature, T
0for design temperature is poor.
10. heater according to claim 9, is characterized in that, described heater can heat washings with the method described in any one of claim 1-7.
11. 1 kinds of washing machines, this laundry function heats the washings in cylinder, it is characterized in that, described washing machine comprises:
Cylinder;
Heater, described heater is connected with described cylinder, for the washings in heated roller, and makes the temperature of washings be T ± T
0, wherein, T is design temperature, T
0for design temperature is poor;
Wherein, described heater is the heater described in any one of claim 9-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510705512.2A CN105420997B (en) | 2015-10-23 | 2015-10-23 | A kind of heating means, heater and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510705512.2A CN105420997B (en) | 2015-10-23 | 2015-10-23 | A kind of heating means, heater and washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105420997A true CN105420997A (en) | 2016-03-23 |
| CN105420997B CN105420997B (en) | 2018-01-02 |
Family
ID=55499517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510705512.2A Active CN105420997B (en) | 2015-10-23 | 2015-10-23 | A kind of heating means, heater and washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105420997B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436192A (en) * | 2016-10-18 | 2017-02-22 | 成都言行果科技有限公司 | Water-temperature-adjustable intelligent washing device and water temperature adjusting method thereof |
| CN106906608A (en) * | 2017-02-07 | 2017-06-30 | 南京乐金熊猫电器有限公司 | A kind of steam washer and washing methods |
| CN107034630A (en) * | 2017-06-12 | 2017-08-11 | 南京创维家用电器有限公司 | The heating means and device of a kind of washing of drum type washing machine water |
| WO2020248959A1 (en) * | 2019-06-11 | 2020-12-17 | 青岛海尔滚筒洗衣机有限公司 | Washing machine and control method therefor |
| CN112981849A (en) * | 2021-02-22 | 2021-06-18 | 海信（山东）冰箱有限公司 | Heating control method and device of washing machine and washing machine |
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Cited By (6)
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| WO2020248959A1 (en) * | 2019-06-11 | 2020-12-17 | 青岛海尔滚筒洗衣机有限公司 | Washing machine and control method therefor |
| CN112981849A (en) * | 2021-02-22 | 2021-06-18 | 海信（山东）冰箱有限公司 | Heating control method and device of washing machine and washing machine |
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| CN105420997B (en) | 2018-01-02 |
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