CN102108618B - Washing machine capable of automatically putting detergent and control method thereof - Google Patents
Washing machine capable of automatically putting detergent and control method thereof Download PDFInfo
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- CN102108618B CN102108618B CN200910265894.6A CN200910265894A CN102108618B CN 102108618 B CN102108618 B CN 102108618B CN 200910265894 A CN200910265894 A CN 200910265894A CN 102108618 B CN102108618 B CN 102108618B
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Abstract
The invention discloses a washing machine capable of automatically putting a detergent and a control method thereof. The washing machine comprises a water inlet, a detergent container and a washing drum; two water inlet channels are arranged between the water inlet and the washing drum, and are respectively a main water inlet channel and a cleaning water channel; a constant volume container is arranged between the cleaning water channel and the washing drum, and is communicated with the detergent container; a Venturi tube is arranged in the main water inlet channel; by a Venturi effect principle, main water inlet flow changes narrow from wide, and the water inlet flow rate is improved, so that a relative vacuum area is formed on the rear side of the outlet of the Venturi tube; and the relative vacuum area is communicated with the constant volume container, so that the constant volume container generates negative pressure and the detergent in the detergent container communicated with the constant volume container is pumped into the constant volume container. On the premise of not influencing washing effect, the most reasonable amount of detergent is automatically added through the negative pressure generated by the flow, the washing machine is simple in structure, and the washing efficiency is improved.
Description
Technical field
The present invention relates to a kind of washing machine and control method for washing, especially a kind of can the washing machine of automatic detergent adding and control method.
Background technology
The washing agent that traditional washing machine uses in washing process and washing machine are separated, and washing machine does not arrange the adding set of washing agent, and washing agent can not add automatically, and this structure can not realize washing machine fully-automatic washing control procedure.Along with the raising of washing machine automation, most washing machine is arranged to placement washing agent or/and the detergent box of softener communicates with inlet pipeline, by intaking the washing agent in detergent box or/and softener pours in washtub, but this structure must each laundry all will first by washing agent or/and detergent box put into by softener, do not realize fully-automatic washing control procedure equally.
Existing in a large number about the patent application of detergent embarking device at present, application number be 97208723.0 Chinese patent disclose a kind of detergent adding device for washing-machine, it is on casing of washing machine, be provided with the cavity volume coordinated with bottle, the bottom of cavity volume is circular cone through hole, through hole is fixed with vertical stator, and vertical stator fixes cleaning solution conduit, and bottle matches with cavity volume, bottleneck is provided with coniform ingress pipe, has scavenge port at bottle body bottom.The uncontrollable washing agent addition of this structure, and easily damage thus waste washing agent.
Application number be 99101767.6 Chinese patent disclose a kind of can the washing machine of supplying liquid detergent automatically, comprise: a washing drum, a detergent box, an opening/closing valve adding passage, add the detergent amount that hand-hole joins washing drum to control from the bottom of detergent box by valve, and in washing agent be interiorly provided with the sensor measuring detergent amount.Undiluted washing agent is directly entered washing drum by this structure can damage washing clothes.
Application number be 200610136059.9 Chinese patent disclose a kind of detergent supply device with the washing machine of the detergent box of siphon unit, washing agent is injected detergent box, after washings being injected detergent box and being diluted by the washing agent in box, enters washing tank from siphon unit.This invention solve dense washing agent directly enter washing tank with the problem of damage washing clothes, but the automatic additive that cannot realize washing agent accurately controls.
The application number of applicant's earlier application be 200710146295.3 Chinese patent disclose a kind of washing machine and laundering process of automatic interpolation washing agent, this washing machine comprises: washtub, the control panel comprising various cloth Quality Control button, washing clothes weight sensor, the temperature sensor be located in washtub, water hardness sensor, washings dirty sensor, detergent box and computer board; Detergent box is made up of upper storage box and lower dilute box, and computer board is according to the testing result of various sensor, and the washing agent controlled in Storage Box enters the amount of dilution box.Storage Box is covered with washing agent inlet, the electromagnetic valve that bottom is provided with washing agent outlet and controls the closedown of washing agent outlet and open; The side of dilution box is provided with the water injection pipe connecting water intake valve of washing machine, and bottom is provided with siphon comb; The magnet exciting coil of electromagnetic valve be located at Storage Box on cover, the armature of electromagnetic valve is connected at the cone-shaped valve plug on Storage Box bottom wash agent outlet by valve rod, be provided with stage clip between cone-shaped valve plug and the upper cover of Storage Box.Although this structure can realize accurately controlling washing agent, complex structure, cost is high.
In view of this special proposition the present invention.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, there is provided a kind of can according to the testing result of the other factors such as temperature and water quality to clothes weight, dirty degree, cloth matter, washings, under the prerequisite ensureing clean result, the suction that current negative pressure can be utilized to produce adds the washing machine of most reasonable volume washing agent automatically.
Another object of the present invention is to provide can the control method of automatic detergent adding.
For solving the problems of the technologies described above, the present invention adopts the basic conception of technical scheme to be: a kind of can the washing machine of automatic detergent adding, comprise water inlet, detergent container and the washtub of dissimilar cleaning solution are housed, two water inlet paths controlled separately are provided with between described water inlet and washtub, be respectively main water inlet road and cleaning water route, constant volume container is provided with between cleaning water route and washtub, constant volume container is communicated with detergent container, be provided with one in main water inlet road and can flow through by current the negative pressure structure producing negative pressure, negative pressure structure is be located at the Venturi tube in main water inlet road, the rear side of Venturi exit is provided with arm and constant volume reservoir on one side, main water inlet road intake washtub process in produce negative pressure, washing agent in detergent container is extracted in constant volume container, intake to washing agent to be diluted in constant volume container by cleaning water route again and be flushed in washtub.
Main water intaking valve is provided with between described main water inlet road and water inlet, cleaning water valve is provided with between cleaning water route and water inlet, purge control valve is provided with between cleaning water valve and constant volume container, constant volume container and tube connection ports place of collateral branch are provided with the closed control valve that closes connector, are provided with water inlet control valve between constant volume container and washtub.
Described cleaning water valve is provided with identical path with detergent container quantity corresponding between constant volume container, each path is provided with purge control valve, this purge control valve control access also controls closing between corresponding constant volume container and detergent container simultaneously when being communicated with, vice versa.
Described constant volume container is communicated with the detergent container holding dissimilar cleaning solution respectively, the connector place of each detergent container and constant volume container is provided with washing agent control valve, and the purge control valve between cleaning water valve and constant volume container is located at constant volume container connector place.
Described purge control valve comprises the electromagnet and r c magnet ball valve that produce drive source, after electromagnet energising, attracting magnetic iron ball valve closure cleaning water valve and constant volume container between path and the path opened between constant volume container and detergent container, or water inlet kicker magnet ball valve opens the path between cleaning water valve and constant volume container and the path closed between constant volume container and detergent container, closed control valve is buoyancy ball valve or electromagnetic valve, and water inlet control valve is buoyancy ball valve or electromagnetic valve.
Described purge control valve, washing agent control valve are electromagnetic valve, and closed control valve is buoyancy ball valve or electromagnetic valve, and water inlet control valve is buoyancy ball valve or electromagnetic valve.
Described detergent container is the detergent box be fixed on washing machine or the circumscribed detergent container being external in washing machine.
Described main water inlet road and the water inlet of cleaning water route are all by entering washtub after same water inflowing box.
A kind of can the control method of washing machine of automatic detergent adding, after washing machine energising, according to the laundry amounts in washtub and/or cloth matter and/or dirty degree and/or water inlet water temperature and/or water quality, and the type of the washing procedure selected and washing agent, washing machine calculates the detergent amount needing to add automatically, and then the number of times of putting detergent is judged according to the volume of constant volume container, when main water inlet road water inlet, this water inlet water flow energy is utilized to produce the negative pressure structure Automatic Extraction washing agent of negative pressure in constant volume container, intake to washing agent to be diluted in constant volume container by cleaning water route again and be flushed in washtub.
Need the washing procedure of putting detergent comprise washing process, washing before immersion and washing after rinsing, the washing agent of automatic input at least comprises for the cleaning solution of decontamination and the softener for increasing clothing flexibility, and washing agent comprises plain edition and concentrated type.
The time required for process that extraction washing agent is full of constant volume container is mainly determined according to the size of main water inlet road flow of inlet water and constant volume vessel volume, the time that water inlet arrives designated water level is calculated according to main water inlet road flow of inlet water, can the maximum times of automatic detergent adding when judging each water inlet, thus judge to select plain edition and concentrated type washing agent, or judge repeatedly to wash.
When needing putting detergent, the former head is intake road water inlet at every turn, and negative pressure extracting washing agent enters constant volume container and after being full of constant volume container, self-closed between constant volume container and main water inlet road; After constant volume container is full of, main water inlet road is closed, cleaning water route starts water inlet, opens the path between constant volume container and cleaning water route and between washtub, closes the path between constant volume container and detergent container simultaneously, washing agent dilution is flushed in washtub.
In order to ensure that the step of this interpolation washing agent does not affect the amount of next putting detergent, namely constant volume container is wanted to be empty before next putting detergent, then need the dilution of the washing agent of constant volume container to be flushed to after in washtub at every turn, close main water inlet road and cleaning water route, by constant volume vessel empty, this emptying time is determined according to the volume of constant volume container.
When intaking after not needing the water inlet of interpolation washing agent or interpolation washing agent to complete, main water inlet road intakes together with cleaning water route.
The concrete steps of washing process automatic detergent adding are:
The first step, clothing detects, and judges washing agent impressions;
Second step, main water inlet road starts water inlet;
3rd step, washing agent is drawn into constant volume container;
4th step, main water inlet road is closed, open the water inlet of cleaning water route, is flushed in washtub by washing agent dilution;
5th step, closes cleaning water route, by constant volume vessel empty;
6th step, the need of putting detergent again, then forwards second step in this way, otherwise enters next step;
7th step, judges whether to reach preset water level, is, enters the 9th step, otherwise enters next step;
8th step, main water inlet road intakes until preset water level together with cleaning water route;
9th step, closes main water inlet road and cleaning water route, performs washing;
Tenth step, washing terminates, and the need of repeated washing, is, forwards second step to, otherwise washing terminates, and enters rinsing.
The concrete steps that rinse cycle throws in softener are automatically:
The first step, starts rinsing;
Second step, judges whether to throw in softener, is enter next step, otherwise enters the 8th step;
3rd step, main water inlet road starts water inlet, and softener is drawn into constant volume container;
4th step, main water inlet road is closed, open the water inlet of cleaning water route, is flushed in washtub by softener dilution;
5th step, closes cleaning water route, by constant volume vessel empty;
6th step, the need of again throwing in softener, then forwarding the 3rd step in this way to, otherwise entering next step;
7th step, judges whether to reach preset water level, is, enters the 9th step, otherwise enters next step;
8th step, main water inlet road intakes until preset water level together with cleaning water route;
9th step, closes main water inlet road and cleaning water route, performs rinsing;
Tenth step, rinsing terminates, before draining, perform flushing to constant volume container.
After adopting technique scheme, the present invention compared with prior art has following beneficial effect.
The negative pressure utilizing current to produce under the invention provides a kind of prerequisite not affecting clean result adds the washing machine of most reasonable amount washing agent automatically, structure is simple, not only prevent from manually adding the appearance of the very few or excessive situation of washing agent, save other simultaneously and automatically add the cost payout that washing agent structure brings, and therefore alleviate the laundering process of the automatic interpolation washing agent of the washings environmental pollution of discharge.Achieve the automation of laundry processes simultaneously, improve the efficiency of laundry.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of washing machine automatic detergent adding of the present invention;
Fig. 2 is another structural representation of washing machine automatic detergent adding of the present invention;
Fig. 3 is washing of drum type washing machine schematic flow sheet of the present invention;
Fig. 4 is washing machine rinsing schematic flow sheet of the present invention.
Detailed description of the invention
As depicted in figs. 1 and 2, of the present invention a kind of can the washing machine of automatic detergent adding, comprise water inlet 1, detergent container 2 and washtub 3, two water inlet paths are provided with between water inlet 1 and washtub 3, be respectively main water inlet road 4 and cleaning water route 5, main water intaking valve 6 is provided with between main water inlet road 4 and water inlet 1, be provided with between cleaning water route 5 and water inlet 1 and clean water valve 7, constant volume container 8 is provided with between cleaning water route 5 and washtub 3, constant volume container 8 is communicated with detergent container 2, be provided with one in main water inlet road 4 and can flow through by current the Venturi tube 9 producing negative pressure, the rear side that Venturi tube 9 exports is provided with arm 10 on one side and is communicated with constant volume container 8, main water inlet road 4 current are by Venturi tube 9, utilize Venturi effect principle, current from the coarse to fine, accelerate water inlet flow velocity, the rear side that Venturi tube 9 is exported forms a relative vacuum district, this relative vacuum district is communicated with constant volume container 8 by collateral branch's pipe 10, constant volume container 8 is made to produce negative pressure, to be extracted in constant volume container 8 with the washing agent in the detergent container 2 of constant volume reservoir, being intake to by cleaning water route 5, constant volume container 8 is interior to be flushed to washing agent dilution in washtub 3 again.
Produce the negative pressure structure of negative pressure and meet flow rate of water flow as long as flow through by current and accelerate suddenly, on rear side of delivery port, produce the water pipe structure in a relative vacuum district.
Wherein, constant volume container 8 and collateral branch's pipe 10 connector place are provided with the control valve 11 that closes connector, and this control valve 11 is electromagnetic valve or buoyancy ball valve; Be provided with control valve 16 between described constant volume container 8 and washtub 3, this control valve is electromagnetic valve or one-way control valve; Described detergent container 2 is the detergent box that is fixed on washing machine or the circumscribed detergent container being external in washing machine; Described main water inlet road 4 and cleaning water route 5 intake all by entering washtub 3 after same water inflowing box 18.
Described constant volume container 8 can only be communicated with a detergent container 2, and also can be communicated with multiple detergent container 2 holding dissimilar cleaning solution, as shown in Figure 1, constant volume container 8 is only communicated with two kinds of detergent containers, holds cleaning solution and softener respectively.Cleaning water valve 7 is provided with identical path with detergent container 2 quantity corresponding between constant volume container 8, each path is provided with control valve, described control valve comprises the electromagnet and r c magnet ball valve that produce drive source, after electromagnet energising, path between attracting magnetic iron ball valve closure cleaning water valve and constant volume container and the path opened between constant volume container and detergent container, or water inlet kicker magnet ball valve opens the path between cleaning water valve and constant volume container and the path closed between constant volume container and detergent container.As shown in Figure 1, cleaning water valve 7 two detergent containers corresponding between constant volume container 8 are provided with path 12a and path 12b, path 12a and path 12b is respectively equipped with electromagnet 13a, electromagnet 13b, after electromagnet 13a, 13b energising, can attracting magnetic iron ball valve 14a, 14b closed access 12a, 12b and path 15a, 15b of opening between constant volume container 8 and detergent container 2, or water inlet kicker magnet ball valve 14a, 14b open path 12a, the 12b between cleaning water valve 7 and constant volume container 8 and path 15a, 15b of closing between constant volume container 8 and detergent container 2.
Or, as shown in Figure 2, constant volume container 8 respectively with hold cleaning solution and be communicated with the detergent container 2 of softener, path 15a, 15b and constant volume container 8 connector place are respectively equipped with electromagnetic valve 15c, 15d, only have a path 12 between cleaning water valve 7 and constant volume container 8, be also provided with electromagnetic valve 13 at path 12 with constant volume container 8 connector place.
The present invention can the control method of washing machine of automatic detergent adding, after washing machine energising, according to the laundry amounts in washtub and/or cloth matter and/or dirty degree and/or water inlet water temperature and/or water quality, and the type of the washing procedure selected and washing agent, washing machine calculates the detergent amount needing to add automatically, and then the number of times of putting detergent is judged according to the volume of constant volume container 8, when main water inlet road 4 intakes, this water inlet water flow energy is utilized to produce the negative pressure structure Automatic Extraction washing agent of negative pressure in constant volume container 8, being intake to by cleaning water route 5, constant volume container 8 is interior to be flushed to washing agent dilution in washtub 3 again.
Need the washing procedure of putting detergent comprise washing process, washing before immersion and washing after rinsing, the washing agent of automatic input at least comprises for the cleaning solution of decontamination and the softener for increasing clothing flexibility, and washing agent comprises plain edition and concentrated type.If plain edition washing agent generally needs repeatedly to throw in, if concentrated type, then need once to throw in.
The time required for process that extraction washing agent is full of constant volume container 8 is mainly determined according to the flow of inlet water on main water inlet road 4 and the size of constant volume container 8 volume, the time that water inlet arrives designated water level is calculated according to main water inlet road 4 flow of inlet water, can the maximum times of automatic detergent adding when judging each water inlet, thus judge to select plain edition and concentrated type washing agent, or judge repeatedly to wash.
When needing putting detergent, the former head road 4 that intakes intakes at every turn, and negative pressure extracting washing agent enters constant volume container 8 and after being full of constant volume container 8, self-closed between constant volume container 8 and main water inlet road 4; After constant volume container 8 is full of, main water inlet road 4 is closed, clean water route 5 starts water inlet, open the path between constant volume container 8 and cleaning water route 5 and between washtub 3 simultaneously, close the path between constant volume container 8 and detergent container 2 simultaneously, washing agent dilution is flushed in washtub 3.In order to ensure that the step of this interpolation washing agent does not affect the amount of next putting detergent, namely constant volume container 8 is wanted to be empty before next putting detergent, then need the dilution of the washing agent of constant volume container 8 to be flushed to after in washtub 3 at every turn, close main water inlet road 4 and cleaning water route 5, by emptying for constant volume container 8, this emptying time is determined according to the volume of constant volume container.When intaking after not needing the water inlet of interpolation washing agent or interpolation washing agent to complete, main water inlet road 4 intakes together with cleaning water route 5.
Embodiment one
As shown in Figure 1, the control valve 11 that constant volume container 8 and collateral branch's pipe 10 connector place are provided with is buoyancy ball valve, the control valve 16 be provided with between constant volume container 8 and washtub 3 is one-way control valve, cleaning water valve 7 two detergent containers corresponding between constant volume container 8 are provided with path 12a and path 12b, path 12a and path 12b is respectively equipped with electromagnet 13a, 13b and magnet ball valve 14a, 14b, between constant volume container 8 and detergent container 2, is respectively path 15a, 15b.
Before main water inlet road 4 starts water inlet, close between constant volume container 8 and cleaning water route 5, and close between washtub 3, be communicated with between constant volume container 8 with main water inlet road 4, be communicated with between detergent container 2, i.e. electromagnet 13a, 13b attracts path 12a between closed constant volume container 8 and cleaning water route 5 respectively, 12b, open path 15a between constant volume container 8 and detergent container 2, 15b, control valve 11 is buoyancy ball valve, constant volume container 8 and collateral branch's pipe 10 is communicated with owing to not having buoyancy to fall, control valve 16 is one-way control valve, close the path 17 between constant volume container 8 and washtub 3.
As shown in Figure 3, during washing, according to the laundry amounts in washtub and/or cloth matter and/or dirty degree and/or water inlet water temperature and/or water quality, and the type of the washing procedure selected and washing agent, washing machine calculates the detergent amount needing to add automatically, and then judges the number of times of putting detergent according to the volume of constant volume container 8.If constant volume container 8 is set to 15ml through reality test, for most of washing agent brand product, under 20 DEG C of environment temperatures, the condition of water intaking valve flow-control at 7L/min, generally will enter full in 2min, slurry changes between 20 ~ 40L, each laundry can be carried out 1 ~ 2 time and throw in, therefore main water intaking valve 6 opening time is set to 2min, and cleaning water valve 7 opening time is set to 30s.For plain edition washing agent, perform once washing, 2 washing agent need be carried out and throw in, about 30ml; For concentrated type washing agent, perform once washing, 1 washing agent need be carried out and throw in, about 15ml.
Water inlet starts, cleaning water valve 7 cuts out, path 15b closes and prevents suction from adding softener by magnet ball valve 14b, main water intaking valve 6 is opened, magnet ball valve 14a opens path 15a, unidirectional control valve 11 does not have buoyancy that collateral branch's pipe 10 is communicated with constant volume container 8, and main water inlet road 4 intakes, and flows into washtub 3 through water inflowing box 18.The rear side that Venturi tube 9 exports forms a relative vacuum district, constant volume container 8 is made to produce negative pressure by collateral branch's pipe 10, control valve 16 is closed and is guaranteed that constant volume container 8 is airtight, washing agent then in detergent container 2 enters constant volume container 8 under external atmosphere pressure and constant volume container 8 internal gas pressure differential pressure action, after 2min, constant volume container 8 is full of, now main water intaking valve 6 is closed, cleaning water valve 7 is opened, water inlet makes magnet ball valve 14a, 14b closes path 15a respectively, 15b, control valve 11 is closed, control valve 16 is intake open-minded for forward, washing agent in constant volume container 8 is intake and is poured washtub 3 through water inflowing box 18.Complete after rinsing and close cleaning water valve 7, constant volume container 8 is emptying, has once thrown in.Now carrying out again throwing in if do not needed, detecting and whether reaching preset water level, as do not reached preset water level, then open main water intaking valve 6, cleaning water valve 7 makes water level in washtub reach preset height; As needs are thrown in again, repeat once above-mentioned launch process, then start washing.
Detect the dirty degree of washings by turbidity transducer before washing terminates, judge whether to need to repeat washing process again, original washing process can be divided into multistage like this, improve washing effect.
As shown in Figure 4, washing end enters rinsing, to be realized the interpolation of softener in detergent container 2 by the break-make of magnet ball valve 14b when intaking, controlling magnet ball valve 14a closed access 15a prevents suction from adding cleaning solution, other and in washing procedure washing agent input step identical.Because the general viscosity of softener is less, generally can guarantee in 30s that constant volume container 8 enters through reality test full, so main water intaking valve 6 and cleaning water valve 7 all open 30s, softener can be completed and extract and rinse.
After last rinsing terminates, before carrying out draining, cleaning water valve 7 is opened 30s and is carried out once flushing to constant volume container 8 again, makes washing agent and the residual minimizing as far as possible of softener, completes automatically cleaning, prevents to solidify to cause valve port to bond.
Embodiment two
As shown in Figure 2, the control valve 11 that constant volume container 8 and collateral branch's pipe 10 connector place are provided with is electromagnetic valve, the control valve 16 be provided with between constant volume container 8 and washtub 3 is buoyancy ball valve or electromagnetic valve, constant volume container 8 respectively with hold cleaning solution and be communicated with the detergent container 2 of softener, path 15a, 15b and constant volume container 8 connector place are respectively equipped with electromagnetic valve 15c, 15d, only have a path 12 between cleaning water valve 7 and constant volume container 8, be also provided with electromagnetic valve 13 at path 12 with constant volume container 8 connector place.Wherein, path 15a is communicated with the detergent container 2 being placed with washing agent, and path 15b is communicated with the detergent container 2 being placed with softener.
As shown in Figure 3, during washing, main water inlet road 4 intakes, and opens control valve 11, electromagnetic valve 15c, shut electromagnetic valve 13,15d, control valve 16.Main water inlet road 4 intakes, intake by passing through Venturi tube 9, utilize Venturi effect principle, the rear side that Venturi tube 9 exports forms a relative vacuum district, constant volume container 8 is made to produce negative pressure by collateral branch's pipe 10, enter after constant volume container 8 is full of by negative pressure extracting cleaning solution, close main water intaking valve 6, open cleaning water valve 7, electromagnetic valve 13, control valve 16, closed control valve 11, electromagnetic valve 15c, 15d, the water inlet in cleaning water route 5 enters after constant volume container 8 dilutes washing agent, and then is punched in washtub 3 by water inflowing box 18.Complete after rinsing and close cleaning water valve 7, constant volume container 8 is emptying, has once thrown in.Now carrying out again throwing in if do not needed, detecting and whether reaching preset water level, as do not reached preset water level, then open main water intaking valve 6, cleaning water valve 7 makes water level in washtub reach preset height; As needs are thrown in again, repeat once above-mentioned launch process, then start washing.
As shown in Figure 4, washing end enter rinsing, intake time open the interpolation that electromagnetic valve 15d realizes softener in detergent container 2, shut electromagnetic valve 15c prevent suction add cleaning solution, other and in washing procedure washing agent input step identical.Because the general viscosity of softener is less, generally can guarantee in 30s that constant volume container 8 enters through reality test full, so main water intaking valve 6 and cleaning water valve 7 all open 30s, softener can be completed and extract and rinse.
After last rinsing terminates, before carrying out draining, cleaning water valve 7 is opened 30s and is carried out once flushing to constant volume container 8 again, makes washing agent and the residual minimizing as far as possible of softener, completes automatically cleaning, prevents to solidify to cause valve port to bond.
The negative pressure utilizing current to produce under the invention provides a kind of prerequisite not affecting clean result adds the washing machine of most reasonable amount washing agent automatically, structure is simple, not only prevent from manually adding the appearance of the very few or excessive situation of washing agent, save other automatic cost payout adding washing agent structure and bring simultaneously, and therefore alleviate the laundering process of the automatic interpolation washing agent of the washings environmental pollution of discharge, achieve the automation of laundry processes simultaneously, improve the efficiency of laundry.
Claims (14)
1. one kind can the control method of washing machine of automatic detergent adding, comprise water inlet, detergent container and the washtub of dissimilar cleaning solution are housed, two water inlet paths controlled separately are provided with between described water inlet and washtub, be respectively main water inlet road and cleaning water route, constant volume container is provided with between cleaning water route and washtub, constant volume container is communicated with detergent container, be provided with one in main water inlet road and can flow through by current the negative pressure structure producing negative pressure, negative pressure structure is be located at the Venturi tube in main water inlet road, the rear side of Venturi exit is provided with arm and constant volume reservoir on one side, it is characterized in that: after washing machine energising, according to the laundry amounts in washtub and/or cloth matter and/or dirty degree and/or water inlet water temperature and/or water quality, and the type of the washing procedure selected and washing agent, washing machine calculates the detergent amount needing to add automatically, and then the number of times of putting detergent is judged according to the volume of constant volume container, when needing putting detergent at every turn, the former head intake road water inlet, the negative pressure Automatic Extraction washing agent utilizing this water inlet water flow energy to produce enters constant volume container and after being full of constant volume container, self-closed between constant volume container and main water inlet road, after constant volume container is full of, main water inlet road is closed, cleaning water route starts water inlet, opens the path between constant volume container and cleaning water route and between washtub, closes the path between constant volume container and detergent container simultaneously, washing agent dilution is flushed in washtub.
2. control method according to claim 1, it is characterized in that: the time required for process that extraction washing agent is full of constant volume container is mainly determined according to the size of main water inlet road flow of inlet water and constant volume vessel volume, the time that water inlet arrives designated water level is calculated according to main water inlet road flow of inlet water, can the maximum times of automatic detergent adding when judging each water inlet, thus judge to select plain edition and concentrated type washing agent, or judge repeatedly to wash.
3. control method according to claim 1, is characterized in that: the dilution of the washing agent of constant volume container be flushed to after in washtub at every turn, and close main water inlet road and cleaning water route, by constant volume vessel empty, this emptying time is determined according to the volume of constant volume container.
4. control method according to claim 3, is characterized in that: when intaking after not needing the water inlet of interpolation washing agent or interpolation washing agent to complete, main water inlet road intakes together with cleaning water route.
5. control method according to claim 4, is characterized in that: the concrete steps of washing process automatic detergent adding are:
The first step, clothing detects, and judges washing agent impressions;
Second step, main water inlet road starts water inlet;
3rd step, washing agent is drawn into constant volume container;
4th step, main water inlet road is closed, open the water inlet of cleaning water route, is flushed in washtub by washing agent dilution;
5th step, closes cleaning water route, by constant volume vessel empty;
6th step, the need of putting detergent again, then forwards second step in this way, otherwise enters next step;
7th step, judges whether to reach preset water level, is, enters the 9th step, otherwise enters next step;
8th step, main water inlet road intakes until preset water level together with cleaning water route;
9th step, closes main water inlet road and cleaning water route, performs washing;
Tenth step, washing terminates, and the need of repeated washing, is, forwards second step to, otherwise washing terminates, and enters rinsing.
6. the control method according to claim 4 or 5, is characterized in that: the concrete steps that rinse cycle throws in softener are automatically:
The first step, starts rinsing;
Second step, judges whether to throw in softener, is enter next step, otherwise enters the 8th step;
3rd step, main water inlet road starts water inlet, and softener is drawn into constant volume container;
4th step, main water inlet road is closed, open the water inlet of cleaning water route, is flushed in washtub by softener dilution;
5th step, closes cleaning water route, by constant volume vessel empty;
6th step, the need of again throwing in softener, then forwarding the 3rd step in this way to, otherwise entering next step;
7th step, judges whether to reach preset water level, is, enters the 9th step, otherwise enters next step;
8th step, main water inlet road intakes until preset water level together with cleaning water route;
9th step, closes main water inlet road and cleaning water route, performs rinsing;
Tenth step, rinsing terminates, before draining, perform flushing to constant volume container.
7. one kind have as arbitrary in claim 1-6 as described in the washing machine of method.
8. washing machine according to claim 7, it is characterized in that: between described main water inlet road and water inlet, be provided with main water intaking valve, cleaning water valve is provided with between cleaning water route and water inlet, purge control valve is provided with between cleaning water valve and constant volume container, constant volume container and tube connection ports place of collateral branch are provided with the closed control valve that closes connector, are provided with water inlet control valve between constant volume container and washtub.
9. washing machine according to claim 8, it is characterized in that: described cleaning water valve is provided with identical path with detergent container quantity corresponding between constant volume container, each path is provided with purge control valve, this purge control valve control access also controls closing between corresponding constant volume container and detergent container simultaneously when being communicated with, vice versa.
10. washing machine according to claim 8, it is characterized in that: described constant volume container is communicated with the detergent container holding dissimilar cleaning solution respectively, the connector place of each detergent container and constant volume container is provided with washing agent control valve, and the purge control valve between cleaning water valve and constant volume container is located at constant volume container connector place.
11. washing machines according to claim 9, it is characterized in that: described purge control valve comprises the electromagnet and r c magnet ball valve that produce drive source, after electromagnet energising, attracting magnetic iron ball valve closure cleaning water valve and constant volume container between path and the path opened between constant volume container and detergent container, or water inlet kicker magnet ball valve opens the path between cleaning water valve and constant volume container and the path closed between constant volume container and detergent container, closed control valve is buoyancy ball valve or electromagnetic valve, and water inlet control valve is buoyancy ball valve or electromagnetic valve.
12. washing machines according to claim 10, is characterized in that: described purge control valve, washing agent control valve are electromagnetic valve, and closed control valve is buoyancy ball valve or electromagnetic valve, and water inlet control valve is buoyancy ball valve or electromagnetic valve.
13. washing machines according to claim 7, is characterized in that: described detergent container is the detergent box be fixed on washing machine or the circumscribed detergent container being external in washing machine.
14. washing machines according to claim 7, is characterized in that: described main water inlet road and the water inlet of cleaning water route are all by entering washtub after same water inflowing box.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910265894.6A CN102108618B (en) | 2009-12-29 | 2009-12-29 | Washing machine capable of automatically putting detergent and control method thereof |
| EP10834238.7A EP2508667B1 (en) | 2009-12-03 | 2010-12-03 | Washing machine for auto-added washing agent by negative pressure and controlling method thereof |
| JP2012541312A JP5700307B2 (en) | 2009-12-03 | 2010-12-03 | Automatic washing machine and control method with negative pressure detergent |
| US13/512,526 US9340918B2 (en) | 2009-12-03 | 2010-12-03 | Washing machine for auto-added washing agent by negative pressure and controlling method thereof |
| KR1020127015028A KR101766933B1 (en) | 2009-12-03 | 2010-12-03 | Washing machine for auto-added washing agent by negative pressure and controlling method thereof |
| PCT/CN2010/079417 WO2011066805A1 (en) | 2009-12-03 | 2010-12-03 | Washing machine for auto-added washing agent by negative pressure and controlling method thereof |
| ES10834238.7T ES2639580T3 (en) | 2009-12-03 | 2010-12-03 | Washing machine for self-added negative pressure washing agent and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910265894.6A CN102108618B (en) | 2009-12-29 | 2009-12-29 | Washing machine capable of automatically putting detergent and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102108618A CN102108618A (en) | 2011-06-29 |
| CN102108618B true CN102108618B (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910265894.6A Active CN102108618B (en) | 2009-12-03 | 2009-12-29 | Washing machine capable of automatically putting detergent and control method thereof |
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| CN (1) | CN102108618B (en) |
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Effective date of registration: 20160819 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Patentee after: Qingdao Haier Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Patentee before: haier group corporation Patentee before: Qingdao Haier Washing Machine Co., Ltd. |