CN110403546A - Drainage system of dish-washing machine, water discharge method and dish-washing machine - Google Patents
Drainage system of dish-washing machine, water discharge method and dish-washing machine Download PDFInfo
- Publication number
- CN110403546A CN110403546A CN201910642644.3A CN201910642644A CN110403546A CN 110403546 A CN110403546 A CN 110403546A CN 201910642644 A CN201910642644 A CN 201910642644A CN 110403546 A CN110403546 A CN 110403546A
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- China
- Prior art keywords
- drainpipe
- water
- dish
- washing
- pump
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
- A47L15/0031—Water discharge phases
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4223—Devices for water discharge, e.g. devices to prevent siphoning, non-return valves
Abstract
The invention discloses a kind of drainage system of dish-washing machine, water discharge method and dish-washing machines, the drainage system of dish-washing machine is used for dish-washing machine, including the first drain assembly and the second drain assembly, first drain assembly includes cup, draining pump and the first drainpipe, the import of draining pump is connected to the bottom of cup, and one end of the first drainpipe is connected to the outlet of draining pump；Second drain assembly includes water inlet pipe, the second drainpipe, third drainpipe and ejector pipe, ejector pipe includes water inlet end, water outlet and injection end, water inlet end is connected to by water inlet pipe with water system, injection end is connected to by the second drainpipe with the pump chamber of washing pump, and water outlet is connected to one end of third drainpipe.When being drained, drain pump startup, washing water is discharged through draining pump and third drainpipe, clear water is passed through ejector pipe and forms it into negative pressure by water system, ponding in the pump chamber of washing pump is discharged through the second drainpipe, injection end, water outlet and third drainpipe, effectively improves the usage experience of user.
Description
Technical field
The present invention relates to field of home appliance technology more particularly to a kind of drainage system of dish-washing machine.The invention further relates to one
Kind water discharge method.The invention additionally relates to a kind of dish-washing machines.
Background technique
What this part provided is only background information relevant to the disclosure, is not necessarily the prior art.
Dish-washing machine washes away tableware using water, in conjunction with the chemical action of high temperature action and detergent, to realize
The cleaning of tableware, dish-washing machine require to be cleaned using water, and the washing water after cleaning drains into outer through the drainage system of dish-washing machine
Boundary.
The flow promoter system of dish-washing machine includes water inlet system, wash cycle system and drainage system.Wherein, drainage system master
It to be made of cup, draining pump and drainpipe etc., draining pump is made of pump case, impeller and motor.When being drained, electric appliance
Impeller high-speed rotation is driven, the impeller of high-speed rotation aspirates the water in cup, meanwhile, water is squeezed in pump chamber
And it is discharged to drainpipe, to realize the discharge of washing water.
But draining pump is only capable of the ponding discharge in cup, and the remaining ponding in the pump chamber of washing pump can not have
Phenomena such as effect discharge, remaining ponding will appear bacteria breed, corruption fouls, seriously affect the usage experience of user.
Summary of the invention
It is affected user experience the purpose of the present invention is at least solving the problems, such as residual ponding in the pump chamber of washing pump.
The purpose is achieved through the following technical solutions:
The first aspect of the present invention proposes a kind of drainage system of dish-washing machine, comprising:
First drain assembly, first drain assembly include cup, draining pump and the first drainpipe, the draining pump
Import is connected to the bottom of the cup, and one end of first drainpipe is connected to the outlet of the draining pump；
Second drain assembly, second drain assembly include water inlet pipe, the second drainpipe, third drainpipe and injection
Pipe, the ejector pipe include water inlet end, water outlet and injection end, and the water inlet end is connected by the water inlet pipe and water system
Logical, one end of second drainpipe is connected to the injection end, and the other end of second drainpipe is for being connected to described wash
The pump chamber of the washing pump of bowl machine, the water outlet is connected to one end of the third drainpipe.
Drainage system of dish-washing machine according to the present invention, wherein the first drain assembly is used for the washing water that will collect in cup
It is emitted into the external world, the ponding discharge that the second drain assembly is used to remain in the pump chamber of washing pump.Specifically, when the machine washing that washes the dishes
When washing completion, the advanced row of the first drain assembly is opened, and drains pump startup, the washing water in cup is through draining pump and third drainpipe
Be discharged, when washing water discharge after the completion of, draining pump close, then by the second drain assembly open, water system by clear water pass through into
Water pipe is passed through the water inlet end of ejector pipe, and in ejector pipe, clear water is flowed from water inlet end to water outlet, and clear water leaves going out for ejector pipe
Water end (W.E.) is discharged through third drainpipe, and injection end is connected to the pump chamber of washing pump by the second drainpipe, when water is from water inlet end stream
When through to water outlet, the injection end of ejector pipe forms negative pressure, the ponding remained in the pump chamber of washing pump through the second drainpipe, draw
It penetrates end, water outlet and third drainpipe to be discharged, remaining ponding in the pump chamber of washing pump is discharged to realize, is avoided
Phenomena such as bacteria breed occurs in remaining ponding, corruption fouls, effectively improves the usage experience of user.
In addition, drainage system of dish-washing machine according to the present invention, can also have following additional technical characteristic:
In some embodiments of the invention, the ejector pipe is Venturi tube, and the water inlet end is the Venturi tube
Import, the injection end be the Venturi tube aditus laryngis, the water outlet be the Venturi tube outlet.
In some embodiments of the invention, be provided with control valve on the water inlet pipe, the control valve control it is described into
Water pipe is switched on or off.
In some embodiments of the invention, the control valve is solenoid valve.
In some embodiments of the invention, the drainage system of dish-washing machine further includes control assembly, the control assembly
Including control unit and acquisition unit, described control unit respectively with the solenoid valve, the acquisition unit, the washing pump and
The draining pump electrical connection, the acquisition unit are set to the inside of the pump chamber and the liquid for acquiring the pump chamber internal water accumulation
Position.
In some embodiments of the invention, the acquisition unit is liquid level sensor.
In some embodiments of the invention, check valve is provided on second drainpipe, the check valve is described in
Washing pump to the direction of the ejector pipe is connected.
In some embodiments of the invention, second drainpipe is connected to the liquid level minimum point of the pump chamber.
In some embodiments of the invention, the other end of the other end of first drainpipe and the third drainpipe
It is connected to the drainpipe of the respirator of the dish-washing machine.
In some embodiments of the invention, the other end of the other end of first drainpipe and the third drainpipe
It is connected to before the anti-syphon structure of the respirator or after the anti-syphon structure of the respirator.
The second aspect of the present invention proposes a kind of water discharge method, real by drainage system of dish-washing machine as described above
It applies, includes the following steps:
Receive drain signal；
Start draining pump according to the drain signal received；
Signal-off draining pump is completed according to the draining received；
Receive the current level in the washing pump detected；
Compare current level and default liquid level；
Be greater than the comparison result of default liquid level according to current level to start solenoid valve, make in washing pump remaining water via
The injection of ejector pipe and be discharged；
It is equal to the comparison result of default liquid level according to current level to close solenoid valve.
Water discharge method according to the present invention, the water discharge method are implemented by drainage system of dish-washing machine as described above,
When dish-washing machine, which washs, to be completed, the advanced row of the first drain assembly is opened, and drains pump startup, the washing water in cup through draining pump and
Third drainpipe is discharged, and is completed when draining acts, and draining pump is closed, if the water level of residual ponding is greater than zero in washing pump
When, the second drain assembly is opened, and clear water is passed through the water inlet end of ejector pipe, in ejector pipe, clear water by water system through water inlet pipe
It is flowed from water inlet end to water outlet, the water outlet that clear water leaves ejector pipe is discharged through third drainpipe, injection end and draining pump
Pump chamber be connected to by the second drainpipe, when water is flowed through from water inlet end to water outlet, the injection end of ejector pipe forms negative pressure, residual
The ponding stayed in the pump chamber of washing pump is discharged through the second drainpipe, injection end, water outlet and third drainpipe, to realize
Remaining ponding in the pump chamber of washing pump is discharged, remaining ponding is avoided phenomena such as bacteria breed, corruption fouling occur,
Effectively improve the usage experience of user.
The third aspect of the present invention proposes a kind of dish-washing machine, and the dish-washing machine includes:
Body；
Washing system, the washing system are arranged in the body；
Water system, the water system are arranged in the body, and the water system is used to be the washing system
It supplies water；
Drainage system, the drainage system are arranged in the body, and the drainage system is used for the washing system
Interior washing water discharge, the drainage system are according to drainage system of dish-washing machine as described above；
Controller, the controller is for executing according to water discharge method as described above.
Dish-washing machine according to the present invention, the dish-washing machine include controller, body, washing system and drainage system, wherein row
First drain assembly of water system is used to for the washing water collected in cup being emitted into the external world, and the second drain assembly will be for that will remain
Ponding discharge in the pump chamber of washing pump.Specifically, when dish-washing machine, which washs, to be completed, the advanced row of the first drain assembly is opened,
Pump startup is drained, the washing water in cup is discharged through draining pump and third drainpipe, and when draining completion, draining pump is closed,
The second drain assembly is opened again, clear water is passed through the water inlet end of ejector pipe, in ejector pipe, clear water by water system through water inlet pipe
It is flowed from water inlet end to water outlet, the water outlet that clear water leaves ejector pipe is discharged through third drainpipe, injection end and washing pump
Pump chamber be connected to by the second drainpipe, when water is flowed through from water inlet end to water outlet, the injection end of ejector pipe forms negative pressure, residual
The ponding stayed in the pump chamber of washing pump is discharged through the second drainpipe, injection end, water outlet and third drainpipe, to realize
Remaining ponding in the pump chamber of washing pump is discharged, remaining ponding is avoided phenomena such as bacteria breed, corruption fouling occur,
Effectively improve the usage experience of user.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, identical component is presented with like reference characters.In the accompanying drawings:
Fig. 1 schematically shows the structural schematic diagram of the drainage system of dish-washing machine of embodiment according to the present invention；
Fig. 2 is the structural schematic diagram of the ejector pipe of drainage system of dish-washing machine in Fig. 1；
Fig. 3 is the flow chart of water discharge method provided by the present invention.
Appended drawing reference is as follows:
100 be drainage system of dish-washing machine；
10 be the first drain assembly, and 11 be the first drainpipe, and 12 be draining pump, and 13 be cup；
20 be the second drain assembly, and 21 be third drainpipe, and 22 be ejector pipe, and 221 be water inlet end, and 222 be water outlet,
223 be injection end, and 23 be the second drainpipe, and 24 be water inlet pipe, and 25 be control valve；
30 be respirator；
40 be washing pump.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
It should be understood that term used herein merely for description particular example embodiment purpose, and have no intention into
Row limitation.Unless the context clearly indicates otherwise, otherwise singular " one " as used in the text, "one" and " described "
Can also indicate to include plural form.The terms "include", "comprise", " containing " and " having " are inclusives, and therefore
It indicates the presence of stated feature, step, operations, elements, and/or components, but presence or addition one or more is not precluded
A other feature, step, operation, component, assembly unit, and/or their combination.Method and step, process, the Yi Jicao of described in the text
It is not interpreted as that them is necessarily required to execute with described or explanation particular order, executes sequence unless explicitly stated otherwise.Also answer
The step of working as understanding, can be used additionally or alternatively.
Although can be described in the text using term first, second, third, etc. multiple element, component, region, layer and/
Or section, still, these component, assembly units, region, layer and/or section should not be limited by these terms.These terms can be only
For a component, assembly unit, region, layer or section are distinguished with another region, layer or section.Unless context clearly refers to
Out, do not implied that when otherwise the term and other numerical terms of such as " first ", " second " etc use in the text sequence or
Person's order.Therefore, first element discussed below, component, region, layer or section are in the introduction for not departing from example embodiment
In the case of can be referred to as second element, component, region, layer or section.
For ease of description, an element as illustrated in the diagram can be described use space relativeness term in the text
Either feature is relative to another element or the relationship of feature, these relativeness terms are, for example, " inside ", " outside ", " interior
Side ", " outside ", " following ", " lower section ", " above ", " top " etc..This spatial correlation term is intended to include removing to retouch in figure
The different direction of device in use or operation except the orientation drawn.For example, being retouched if the device in figure is overturn
State that either the element " below other elements or feature " then will be orientated " In for " below other elements or feature "
Above other elements or feature " either " above other elements or feature ".Therefore, exemplary term " in ... lower section " can
To include in orientation upper and under.In addition device can be oriented and (be rotated by 90 ° or in other directions) and used herein
Spatial correlation descriptor correspondingly explains.
As shown in Figure 1 to Figure 2, embodiment according to the present invention proposes a kind of drainage system of dish-washing machine 100, including
First drain assembly 10 and the second drain assembly 20, the first drain assembly 10 include cup 13, draining pump 12 and the first drainpipe
11, the import of draining pump 12 is connected to the bottom of cup 13, and one end of the first drainpipe 11 is connected to the outlet of draining pump 12；The
Two drain assemblies 20 include water inlet pipe 24, the second drainpipe 23, third drainpipe 21 and ejector pipe 22, and ejector pipe 22 includes water inlet
End 221, water outlet 222 and injection end 223, water inlet end 221 are connected to by water inlet pipe 24 with water system, the second drainpipe 23
One end is connected to injection end 223, and the other end of the second drainpipe 23 is used to be connected to the pump chamber of the washing pump 40 of dish-washing machine, water outlet
222 are connected to one end of third drainpipe 21.
Drainage system of dish-washing machine 100 according to the present invention, wherein the first drain assembly 10 is used to collect in cup 13
Washing water is emitted into the external world, and the second drain assembly 20 is used to remain in the ponding discharge in the pump chamber of washing pump 40.Specifically,
When dish-washing machine, which washs, to be completed, the first drain assembly 10 is first opened, and draining pump 12 starts, and the washing water in cup 13 is through arranging
Water pump 12 and third drainpipe 21 are discharged, and after the completion of washing water discharge, draining pump 12 is closed, then by the second drain assembly 20
It opens, clear water is passed through the water inlet end 221 of ejector pipe 22 by water system through water inlet pipe 24, and in ejector pipe 22, clear water is intake certainly
End 221 is flowed to water outlet 222, and the water outlet 222 that clear water leaves ejector pipe 22 is discharged through third drainpipe 21, injection end
223 are connected to the pump chamber of washing pump 40 by the second drainpipe 23, when water is flowed through from water inlet end 221 to water outlet 222, injection
The injection end 223 of pipe 22 forms negative pressure, remain in ponding in the pump chamber of washing pump 40 through the second drainpipe 23, injection end 223,
Water outlet 222 and third drainpipe 21 are discharged, and are discharged, are kept away to remaining ponding in the pump chamber of washing pump 40 to realize
Exempt from phenomena such as bacteria breed occurs in remaining ponding, corruption fouls, effectively improves the usage experience of user.
It is to be appreciated that ejector pipe 22 is arranged the remaining ponding of the pump chamber of washing pump 40 by being passed through clear water realization
Out, whole process thereby reduces use without using such as vacuum pump equal power device so as to which the consumption of the energy is effectively reduced
The use cost at family.In addition, water system is municipal water supply net in the application, since the water in municipal water supply net has centainly
Pressure, clear water can be promoted to flow through ejector pipe 22 using the pressure, to provide negative pressure for injection end 223, and then realized pair
Remaining ponding is discharged in the pump chamber of washing pump 40.
It should be pointed out that having main channel and injection channel in ejector pipe 22, wherein main channel is with narrow part
Variable-diameter structure, narrow part are connected to water inlet end 221, water outlet 222 and injection channel respectively, and main channel is located at water inlet end 221 1
The interior water inlet end without leave 221 of the part of side is gradually reduced to narrow part, and main channel is located at the internal diameter of the part of 222 side of water outlet
Be gradually increased from narrow part to water outlet 222, and main channel be located at 222 side of water outlet length be greater than main channel be located at into
The length of 221 side of water end (W.E.).When clear water enters in main channel through water inlet end 221, with the diameter of water inlet end 221 to narrow part
Be gradually reduced, the pressure of clear water is gradually increased, when clear water is after narrow part, with narrow part to water outlet 222 diameter by
Cumulative big, the pressure of clear water reduces suddenly, so that the position that injection channel is connected to narrow part forms negative pressure, so that injection
End 223 forms negative pressure, and under the action of negative pressure, the ponding in the pump chamber of washing pump 40 enters injection end through the second drainpipe 23
223, then main channel is entered through injection channel, and then be discharged jointly through third drainpipe 21 with water flow.
In addition, water inlet pipe 24, the first drainpipe 11, the second drainpipe 23 and third drainpipe 21 are plastic part and are soft
Property structure pipeline layout is convenient for by using flexible structure, can effectively reduce drainage system of dish-washing machine 100 install it is required
Space can effectively meet the compact-sized requirement such as dish-washing machine.
It is further understood that, ejector pipe 22 is Venturi tube, and water inlet end 221 is the import of Venturi tube, injection end 223
For the aditus laryngis of Venturi tube, water outlet 222 is the outlet of Venturi tube.When dish-washing machine, which washs, to be completed, draining pump 12 starts, water
Washing water in cup 13 is discharged through draining pump 12 and third drainpipe 21, and after the completion of washing water discharge, draining pump 12 is closed；
After the closing of draining pump 12, clear water is passed through the import of Venturi tube by water system through water inlet pipe 24, and clear water is from Venturi tube
Import is to output flow, and clear water is discharged after leaving the outlet of Venturi tube through third drainpipe 21, when clear water flows through venturi
Guan Shi generates negative pressure in the aditus laryngis of Venturi tube, remains in the ponding in the pump chamber of washing pump 40 through the second drainpipe 23, larynx
Mouth, outlet and third drainpipe 21 are discharged, and are discharged, are avoided to remaining ponding in the pump chamber of washing pump 40 to realize
Phenomena such as bacteria breed occurs in remaining ponding, corruption fouls, effectively improves the usage experience of user.
It should be pointed out that Venturi tube is plastic part in the application, manufactured by single injection-molded, so as to
The cost of manufacture is effectively reduced.
In other embodiments, Venturi tube is metalwork, so as to improve its intensity.
In addition, the connection type of the import of water inlet pipe 24 and Venturi tube is that water inlet pipe 24 is sleeved on the outside of import simultaneously
It is fixed by anchor ear, the fixed side of the both ends connection of the first drainpipe 11 fixed mode and water inlet pipe 24 and inlet communication
Formula is identical；The mode and water inlet pipe 24 that the both ends connection of second drainpipe 23 is fixed are identical as the fixed mode of inlet communication；The
The both ends connection of three drainpipes 21 fixed mode and water inlet pipe 24 mode fixed with inlet communication is identical similar.
Further, control valve 25 is provided on water inlet pipe 24, control valve 25 controls being switched on or off for water inlet pipe 24.Control
The link position of water inlet pipe 24 Yu water system is arranged in valve 25 processed, can be realized water system by the opening of control valve 25
Clear water enters in ejector pipe 22, remaining ponding in the pump chamber of washing pump 40 is discharged to realize, when to washing pump
In 40 pump chamber after the completion of remaining ponding discharge, the disconnection of water system and ejector pipe 22 is realized by closing control valve 25,
To terminate to prevent ejector pipe 22 from carrying out washing process in dish-washing machine remaining ponding discharging operation in the pump chamber of washing pump 40
Middle formation injection causes the efficiency of draining pump 12 to reduce.The pump to washing pump 40 can be effectively realized by the way that control valve 25 is arranged
The control of intracavitary remaining ponding discharge, improves the usage experience of user.
In the application, control valve 25 is solenoid valve.Solenoid valve can be realized be connected between water system and ejector pipe 22 or
The long-range or logic control disconnected, can further increase the usage experience of user.
In other embodiments, control valve 25 is manual ball valve structure, this can be in order to the dynamic operation of user hand.
Further, drainage system of dish-washing machine 100 further includes control assembly, and control assembly includes that control unit and acquisition are single
Member, control unit are electrically connected with solenoid valve, acquisition unit, washing pump 40 and draining pump 12 respectively, and acquisition unit is set to pump chamber
Inside and for acquiring the liquid level of pump chamber internal water accumulation.Specifically, when dish-washing machine, which washs, to be completed, control unit controls draining pump
12 start, and the washing water in cup 13 is discharged through draining pump 12 and third drainpipe 21, and acquisition unit is to the liquid level in pump chamber
It is acquired in real time, and by the data feedback of acquisition to control unit, control unit is by the current level of pump chamber and preset liquid
Position is compared, if current level is greater than default liquid level, control unit closes draining pump 12, and control unit starts solenoid valve,
So that the clear water of water system enters the water inlet end 221 of ejector pipe 22 through water inlet pipe 24, in ejector pipe 22, clear water is intake certainly
End 221 is flowed to water outlet 222, and the water outlet 222 that clear water leaves ejector pipe 22 is discharged through third drainpipe 21, injection end
223 are connected to the pump chamber of washing pump 40 by the second drainpipe 23, when water is flowed through from water inlet end 221 to water outlet 222, injection
The injection end 223 of pipe 22 forms negative pressure, remain in ponding in the pump chamber of washing pump 40 through the second drainpipe 23, injection end 223,
Water outlet 222 and third drainpipe 21 are discharged, if current level is equal to default liquid level, control unit closes solenoid valve,
To terminate the draining movement of dish-washing machine, and then complete the drain operation of dish-washing machine.
It can be realized dish-washing machine draining system by the coordination of control unit, solenoid valve, acquisition unit and draining pump 12
The automatic start-stop of system 100, while effectively ponding remaining in the pump chamber of washing pump 40 can be discharged, avoid remaining ponding from going out
Phenomena such as existing bacteria breed, corruption foul, effectively improves the usage experience of user.
Further, acquisition unit is liquid level sensor.It can effectively be grasped and be washed in real time by using liquid level sensor
Remaining water inlet in the pump chamber of pump 40 is washed, so that the precision that control unit controls drainage system of dish-washing machine 100 is improved, Jin Erbao
The effect for demonstrate,proving washing water discharge avoids remaining ponding from phenomena such as bacteria breed, corruption fouling occur, effectively improves user's
Usage experience.
In other real-time modes, acquisition unit is magnetic float level indicator, this can also reduce cost.
Further, check valve is provided on the second drainpipe 23, check valve is from washing pump 40 to the direction of ejector pipe 22
Conducting.When needing the water inlet in the pump chamber to washing pump 40 to be discharged, control unit starts solenoid valve, so that water system
Clear water the water inlet end 221 of ejector pipe 22 is entered through water inlet pipe 24, in ejector pipe 22, clear water is from water inlet end 221 to water outlet
222 flowing of end, the water outlet 222 that clear water leaves ejector pipe 22 are discharged through third drainpipe 21, injection end 223 and washing pump 40
Pump chamber be connected to by the second drainpipe 23, when water is flowed through from water inlet end 221 to water outlet 222, the injection end of ejector pipe 22
223 form negative pressure, remain in the ponding in the pump chamber of washing pump 40 through the second drainpipe 23, injection end 223,222 and of water outlet
Third drainpipe 21 is discharged, if current level is equal to the second default liquid level, control unit closes solenoid valve, to terminate
The draining of dish-washing machine acts, and then completes the drain operation of dish-washing machine.By drawing when ponding remaining in pump chamber is discharged
It penetrates pipe 22 and forms negative pressure progress, when solenoid valve is closed, water system stops supplying water, and the negative pressure of ejector pipe 22 disappears, and passes through setting
The water that check valve can be avoided in ejector pipe 22 or other pipelines is sucked again in pump chamber, so as to guarantee that washing water is arranged
Effect out avoids remaining ponding from phenomena such as bacteria breed, corruption fouling occur, effectively improves the usage experience of user.
Further, the second drainpipe 23 is connected to the liquid level minimum point of pump chamber.By by the second drainpipe 23 and pump chamber
Liquid level minimum point connection, the discharge effect of pump chamber ponding can be effectively improved, so that remaining ponding be avoided bacterium taste occur
Phenomena such as raw, corruption fouls, effectively improves the usage experience of user.
In other embodiments, the second drainpipe 23 can be with other positions, in this this Shen with the communicating position of pump chamber
Please no longer repeated.
Specifically understand, the other end of the other end of the first drainpipe 11 and third drainpipe 21 is exhaled with dish-washing machine
The drainpipe of haustorium 30 is connected to.By the way that the first drainpipe 11 and third drainpipe 21 to be connected to the drainpipe of respirator 30, energy
It is enough effectively to collect washing water discharged in the first drainpipe 11 and third drainpipe 21, utilize the draining of respirator 30
Pipe carries out the unified discharge of washing water, so as to reduce the quantity of pipeline, reduces the cost of manufacture, while can effectively reduce
The space occupied improves the utilization rate in space.
Specifically, the other end of the first drainpipe 11 and the other end of third drainpipe 21 are connected to the anti-of respirator 30
Before syphon structure or after the anti-syphon structure of respirator 30.In the application, the other end and third of the first drainpipe 11
The other end of drainpipe 21 is connected to before the anti-syphon structure of respirator 30, can using the anti-syphon structure of respirator 30
The case where effectively the first drainpipe 11 and third drainpipe 21 being avoided to flow back after drain operation, to effectively improve pump chamber
The discharge effect of ponding, and then remaining ponding is avoided phenomena such as bacteria breed, corruption fouling occur, effectively improve user's
Usage experience.
In other real-time modes, the other end of the first drainpipe 11 and the other end of third drainpipe 21 are connected to and exhale
After the anti-syphon structure of haustorium 30, i.e. the washing water of the first drainpipe 11 and third drainpipe 21 is expelled directly out respirator 30
In drainpipe.
As shown in Figure 1 to Figure 3, the second aspect of the present invention proposes a kind of water discharge method, by washing as described above
Bowl machine drainage system 100 is implemented, and includes the following steps:
Receive drain signal.Specifically, after a washing operation is completed, control unit is obtained by acquisition components such as sensors
The signal that dish-washing machine is drained.
Start draining pump according to the drain signal received.Specifically, control unit is according to the drain signal received, hair
The instruction of control draining pump startup out, draining pump carries out discharging operation to the washing water collected in cup, so that washing water is through arranging
Water pump and the first drainpipe are discharged.
Signal-off draining pump is completed according to the draining received.Specifically, in the application, after the completion of drain operation,
Control unit closes draining pump, thus the case where avoiding draining pump idle running from leading to parts damages.
Receive the current level in the washing pump detected.Specifically, after the completion of draining pump is to washing water discharge, pass through
Liquid level sensor is monitored remaining ponding in the pump chamber of washing pump, and the result of monitoring is fed back to control unit.
Compare current level and default liquid level.Specifically, control unit is by working as in pump chamber that liquid level sensor monitors
Preceding liquid level is compared with default liquid level, and control unit according to the result of the comparison controls drainage system of dish-washing machine.
Be greater than the comparison result of default liquid level according to current level to start solenoid valve, make in washing pump remaining water via
The injection of ejector pipe and be discharged.Specifically, in the application, default liquid level is zero, when the liquid level of the washing water in pump chamber is greater than
When zero, control unit opens solenoid valve will be passed through clear water in ejector pipe, be carried out the ponding in pump chamber using the injection of ejector pipe
Discharge, to realize the discharge to pump chamber ponding.
It is equal to the comparison result of default liquid level according to current level to close solenoid valve.Specifically, when the washing in pump chamber
When the liquid level of water is zero, control unit closes solenoid valve, terminates the operation of pump chamber ponding discharge, reduces the waste at water source, drops
The low use cost of user.
Water discharge method according to the present invention, the water discharge method carry out reality by drainage system of dish-washing machine 100 as described above
It applies, when dish-washing machine, which washs, to be completed, the first drain assembly 10 is first opened, and draining pump 12 starts, the washing water in cup 13
It is discharged through draining pump 12 and third drainpipe 21, is completed when draining acts, draining pump 12 is closed, if residual in washing pump 40
When the water level of ponding is greater than zero, the second drain assembly 20 is opened, and clear water is passed through ejector pipe 22 through water inlet pipe 24 by water system
Water inlet end 221, in ejector pipe 22, clear water is flowed from water inlet end 221 to water outlet 222, and clear water leaves the water outlet of ejector pipe 22
End 222 is discharged through third drainpipe 21, and injection end 223 is connected to the pump chamber of washing pump 40 by the second drainpipe 23, works as water
When flowing through from water inlet end 221 to water outlet 222, the injection end 223 of ejector pipe 22 forms negative pressure, remains in the pump chamber of washing pump 40
Interior ponding is discharged through the second drainpipe 23, injection end 223, water outlet 222 and third drainpipe 21, to realize to washing
Remaining ponding is discharged in the pump chamber of pump 40, avoids remaining ponding from phenomena such as bacteria breed, corruption fouling occur, effectively
Improve the usage experience of user.
The third aspect of the present invention proposes a kind of dish-washing machine, the dish-washing machine include controller, body, washing system,
Water system and drainage system, washing system are arranged in the body, and water system is arranged in body, and water system is used for
For washing system water supply, drainage system is arranged in body, and drainage system is used to for the washing water in washing system being discharged, draining
System is according to drainage system of dish-washing machine 100 as described above, and the controller is for executing according to draining side as described above
Method.
Dish-washing machine according to the present invention, the dish-washing machine include controller, body, washing system and drainage system 100,
In, the first drain assembly 10 of drainage system 100 is used to the washing water collected in cup 13 being emitted into the external world, the second draining group
Part 20 is used to remain in the ponding discharge in the pump chamber of washing pump 40.Specifically, when dish-washing machine, which washs, to be completed, the first draining
Component 10 is first opened, and draining pump 12 starts, and the washing water in cup 13 is discharged through draining pump 12 and third drainpipe 21,
When draining completion, draining pump 12 is closed, then the second drain assembly 20 is opened, and clear water is passed through by water system through water inlet pipe 24
The water inlet end 221 of ejector pipe 22, in ejector pipe 22, clear water is flowed from water inlet end 221 to water outlet 222, and clear water leaves injection
The water outlet 222 of pipe 22 is discharged through third drainpipe 21, and the pump chamber of injection end 223 and washing pump 40 passes through the second drainpipe 23
Connection, when water is flowed through from water inlet end 221 to water outlet 222, the injection end 223 of ejector pipe 22 forms negative pressure, remains in washing
Ponding in the pump chamber of pump 40 is discharged through the second drainpipe 23, injection end 223, water outlet 222 and third drainpipe 21, thus
Remaining ponding in the pump chamber of washing pump 40 is discharged in realization, and remaining ponding is avoided bacteria breed, corruption fouling occur
Phenomena such as, effectively improve the usage experience of user.
In addition, refer to the prior art for other Each parts of above-mentioned dish-washing machine, details are not described herein.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
It is quasi-.
Claims (12)
1. a kind of drainage system of dish-washing machine characterized by comprising
First drain assembly, first drain assembly include cup, draining pump and the first drainpipe, the import of the draining pump
It is connected to the bottom of the cup, one end of first drainpipe is connected to the outlet of the draining pump；
Second drain assembly, second drain assembly include water inlet pipe, the second drainpipe, third drainpipe and ejector pipe, institute
Stating ejector pipe includes water inlet end, water outlet and injection end, and the water inlet end is connected to by the water inlet pipe with water system, described
One end of second drainpipe is connected to the injection end, and the other end of second drainpipe is for being connected to washing for the dish-washing machine
The pump chamber of pump is washed, the water outlet is connected to one end of the third drainpipe.
2. drainage system of dish-washing machine according to claim 1, which is characterized in that the ejector pipe is Venturi tube, described
Water inlet end is the import of the Venturi tube, and the injection end is the aditus laryngis of the Venturi tube, and the water outlet is the text
The outlet of venturi.
3. drainage system of dish-washing machine according to claim 1 or 2, which is characterized in that be provided with control on the water inlet pipe
Valve, the control valve control being switched on or off for the water inlet pipe.
4. drainage system of dish-washing machine according to claim 3, which is characterized in that the control valve is solenoid valve.
5. drainage system of dish-washing machine according to claim 4, which is characterized in that the drainage system of dish-washing machine further includes control
Component processed, the control assembly include control unit and acquisition unit, described control unit respectively with the solenoid valve, described adopt
Collect unit, the washing pump and draining pump electrical connection, the acquisition unit is set to the inside of the pump chamber and for adopting
Collect the liquid level of the pump chamber internal water accumulation.
6. drainage system of dish-washing machine according to claim 5, which is characterized in that the acquisition unit is liquid level sensor.
7. drainage system of dish-washing machine according to claim 1 or 2, which is characterized in that be provided on second drainpipe
Check valve, the check valve are connected from the washing pump to the direction of the ejector pipe.
8. drainage system of dish-washing machine according to claim 1 or 2, which is characterized in that second drainpipe and the pump
The liquid level minimum point of chamber is connected to.
9. drainage system of dish-washing machine according to claim 1 or 2, which is characterized in that the other end of first drainpipe
It is connected to the drainpipe of the respirator of the dish-washing machine with the other end of the third drainpipe.
10. drainage system of dish-washing machine according to claim 9, which is characterized in that the other end of first drainpipe and
The other end of the third drainpipe is connected to before the anti-syphon structure of the respirator or the anti-rainbow of the respirator
After suction structure.
11. a kind of water discharge method is implemented, feature by the described in any item drainage system of dish-washing machine of claims 1 to 10
It is, includes the following steps:
Receive drain signal；
Start draining pump according to the drain signal received；
Signal-off draining pump is completed according to the draining received；
Receive the current level in the washing pump detected；
Compare current level and default liquid level；
It is greater than the comparison result of default liquid level according to current level to start solenoid valve, makes in washing pump remaining water via injection
The injection of pipe and be discharged；
It is equal to the comparison result of default liquid level according to current level to close solenoid valve.
12. a kind of dish-washing machine, which is characterized in that the dish-washing machine includes:
Body；
Washing system, the washing system are arranged in the body；
Water system, the water system are arranged in the body, and the water system is used to supply water for the washing system；
Drainage system, the drainage system are arranged in the body, and the drainage system is used for will be in the washing system
Washing water discharge, the drainage system are according to the described in any item drainage system of dish-washing machine of right 1 to 10；
Controller, the controller is for executing water discharge method according to claim 11.
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| CN201910642644.3A CN110403546A (en) | 2019-07-16 | 2019-07-16 | Drainage system of dish-washing machine, water discharge method and dish-washing machine |
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| CN201910642644.3A CN110403546A (en) | 2019-07-16 | 2019-07-16 | Drainage system of dish-washing machine, water discharge method and dish-washing machine |
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| CN110840361A (en) * | 2019-11-22 | 2020-02-28 | 佛山市顺德区美的洗涤电器制造有限公司 | Remove water route structure and dish washer of remaining |
| CN111973119A (en) * | 2020-08-21 | 2020-11-24 | 珠海格力电器股份有限公司 | Dish washing machine |
| CN114145684A (en) * | 2021-11-22 | 2022-03-08 | 珠海格力电器股份有限公司 | Water drainage control method and system of dish washing machine and dish washing machine |
| WO2022237134A1 (en) * | 2021-05-12 | 2022-11-17 | 佛山市顺德区美的洗涤电器制造有限公司 | Residual water removal apparatus and dishwasher |
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