CN106137083A - Dish-washing machine entering water electromagnetic valve is utilized to inject the method and device of liquid washing assisant - Google Patents
Dish-washing machine entering water electromagnetic valve is utilized to inject the method and device of liquid washing assisant Download PDFInfo
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Abstract
A kind of method and device utilizing dish-washing machine entering water electromagnetic valve to inject liquid washing assisant, an inlet pipeline one end connects water tap other end auxiliary connection water route and main water route, secondary water route and main water route and connects outlet pipeline；Secondary water route is provided with pressure control device, the secondary water route between pressure control device and outlet pipeline is provided with bypass and is connected with liquid washing assisant box；Main water route and secondary water route are closed, starts dish-washing machine, open secondary water route；Liquid washing assisant is automatically injected secondary water route, and enters dish-washing machine along secondary water route and outlet pipeline by the entering water electromagnetic valve of dish-washing machine；After liquid washing assisant reaches to specify consumption, opening main water route and carry out water filling, after reaching to specify water level, dish-washing machine is started working.The present invention is effectively connected the device injecting liquid washing assisant with the structure of dish-washing machine entering water electromagnetic valve, neither destroys dish-washing machine present situation, and processes simple, easy to operate.
Description
Technical field
The present invention relates to method for implanting and the device of a kind of dish-washing machine utilizing dish-washing machine entering water electromagnetic valve to inject liquid washing assisant.
Background technology
What the device of the liquid washing assisant of dish-washing machine injection at present was commonly used has two ways, and one is liquid washing assisant box integrated with dish-washing machine, needs independent die sinking to process；Another kind is split type, needs the connection installation that sets up an organization on dish-washing machine, and both modes cause unnecessary puzzlement all to production and processing.
In view of this, how designing a kind of method and apparatus that can inject liquid washing assisant in the case of not changing dish-washing machine present situation is the purpose of the present invention。
Summary of the invention
Present invention is primarily targeted at and a kind of method utilizing dish-washing machine entering water electromagnetic valve to inject liquid washing assisant is provided；
Further object is that and a kind of device utilizing dish-washing machine entering water electromagnetic valve to inject liquid washing assisant is provided.
The purpose of the present invention can be achieved in the following manner:
The invention provides a kind of method utilizing dish-washing machine entering water electromagnetic valve to inject liquid washing assisant, an inlet pipeline 14, inlet pipeline 14 auxiliary connection water route 15 and main water route 16；
Further, secondary water route 15 and main water route 16 connect outlet pipeline 18；
Further, secondary water route 15 is provided with pressure control device 6, at least provided with a bypass 17 on the secondary water route between pressure control device 6 and outlet pipeline 18；
Further, main water route 16 is provided with control valve 8, during use, is connected on water tap by inlet pipeline 14, is connected on dish-washing machine water inlet by outlet pipeline 18；Being closed in main water route 16, start dish-washing machine, dish-washing machine entering water electromagnetic valve 11 automatically opens up；
Further, owing to secondary water route 15 is under the regulation of pressure control device 6, its pressure is more than the unlatching pressure of dish-washing machine entering water electromagnetic valve 11, the pressure in secondary water route 15 is injected less than or equal to liquid washing assisant, owing to pressure control device 6 remains unobstructed, current therefore from secondary water route 15 flow into dish-washing machine by outlet pipeline 18, and liquid washing assisant is automatically injected secondary water route 15, and enters dish-washing machine along secondary water route 15 and outlet pipeline 18 by the entering water electromagnetic valve 11 of dish-washing machine；
After liquid washing assisant reaches to specify consumption, opening main water route 16 and carry out water filling, the most secondary water route 15 continues water flowing and washes away the liquid washing assisant sticked on the inwall of secondary water route 15, after reaching to specify water level, dish-washing machine entering water electromagnetic valve 11 is automatically switched off, and dish-washing machine is started working.
Described liquid washing assisant is automatically injected method, and liquid washing assisant relies on pump or dosing pump to inject secondary water route 15；Pressure control device 6 and control valve 8 are open types；Described dish-washing machine entering water electromagnetic valve 11 is pilot valve.
Described liquid washing assisant is automatically injected method, at least one liquid washing assisant box 1, and the liquid washing assisant outlet of described liquid washing assisant box 1 connects bypass 17 by pump.
Described liquid washing assisant is automatically injected method, after liquid washing assisant reaches to specify consumption, starts backward flowing preventing device 4 and enters in bypass 17 to block flow backwards.
The invention provides a kind of device utilizing dish-washing machine entering water electromagnetic valve to inject liquid washing assisant, including:
One inlet pipeline 14, inlet pipeline 14 auxiliary connection water route 15 and main water route 16；
Further, secondary water route 15 and main water route 16 connect outlet pipeline 18；
Further, secondary water route 15 is provided with pressure control device 6, at least provided with a bypass 17 on the secondary water route between pressure control device 6 and outlet pipeline 18；
Further, main water route 16 is provided with control valve 8.
Described liquid washing assisant is automatically injected device, and bypass 17 is provided with backward flowing preventing device 4, and described backward flowing preventing device 4 is electromagnetic valve or check valve.
Described liquid washing assisant is automatically injected device, at least one liquid washing assisant box 1, and the liquid washing assisant outlet of described liquid washing assisant box 1 connects bypass 17 by pump.
Described liquid washing assisant is automatically injected device, and described pressure control device 6 is the draw, and the outlet pressure of described pressure control device 6 is more than the unlatching pressure of dish-washing machine water filling pilot valve, less than or equal to the injection pressure of bypass 17 liquid washing assisants.
Described liquid washing assisant is automatically injected device, and in described liquid washing assisant box 1, liquid washing assisant minimum level is automatically injected device and dish-washing machine water inlet higher than liquid washing assisant.
Described liquid washing assisant is automatically injected device, arranges a liquid washing assisant draw-off pump between the outlet of liquid washing assisant and the backward flowing preventing device 4 of described liquid washing assisant box 1, and described draw-off pump can be dosing pump；Described control valve 8 is normal-open electromagnetic valve.
Accompanying drawing explanation
Fig. 1 is embodiment 1 structure chart.
Fig. 2 is embodiment 2 structure chart.
Fig. 3 is embodiment 3 structure chart.
Fig. 4 is the fundamental diagram during water intaking valve no power of pilot valve.
Fig. 5 is the fundamental diagram during water intaking valve energising of pilot valve.
In order to be more fully understood that the present embodiment, heretofore described dish-washing machine is given below and is automatically injected the part numbers of liquid washing assisant, wherein, liquid washing assisant box 1, dosing pump 2, Pressure gauge 3, backward flowing preventing device 4, sub-control valve 5, pressure control device 6, control valve 8, Pressure gauge 9, main control valve 10, dish-washing machine entering water electromagnetic valve 11, tap water outlet 12, dish-washing machine 13, inlet pipeline 14, secondary water route 15, main water route 16, bypasses 17, outlet pipeline 18.
Detailed description of the invention
Embodiment
1
Fig. 1 show liquid washing assisant device pressure test embodiment everywhere, as shown, it includes: the tap water outlet 12 being connected with tap water, draw main water route 15, the inlet pipeline 14 in secondary water route 16, it is arranged on the pressure control device 6 on secondary water route 15 and sub-control valve 5, is arranged on the control valve 8 on main water route 16 and main control valve 10.Being arranged on the backward flowing preventing device 4 in bypass 17, the dosing pump 2 being connected with liquid washing assisant box 1, outlet pipeline 18 is connected with the inlet pipeline of dish-washing machine, and liquid washing assisant enters in dish-washing machine 13 through the dish-washing machine entering water electromagnetic valve 11 of dish-washing machine.Test for convenience, on secondary water route 15 and main water route 16, be mounted with that Pressure gauge 3 and Pressure gauge 9 are for reading pressure value respectively.
The all valves of original state are set all in closed mode.In order to observe the various phenomenon of the following stated, all pipelines of secondary water route 15 and connection backward flowing preventing device 4 are transparent pipeline, and in the present embodiment, all control valves operate for convenience and are hand control valve.Take turns doing and test as follows:
One: this pressure in main water route 16 of test tap water, all pipelines are closed, are opened control valve 8, read Pressure gauge 9 reading after waterflow stabilization, and this step is played and is repeated several times by, and the reading obtaining Pressure gauge 9 is followed successively by 0.36MPa, 0.375 MPa, 0.378 MPa, and 0.38
MPa show that the tap water pressure in main water route 16 is between 0.35MPa ~ 0.40MPa.
Two: can test dish-washing machine entering water electromagnetic valve 11 normally be opened, and on-test, all valves are turned off, and is started by dish-washing machine, owing to there is no water, dish-washing machine entering water electromagnetic valve 11 attonity.Open control valve 8 and main control valve 10, under tap water pressure effect, dish-washing machine entering water electromagnetic valve 11 is opened, behind main water route 16 and outlet pipeline 18 current normally smoothness, the reading reading Pressure gauge 9 is about 0.02MPa, and when i.e. tap water normally flows out, the pressure in main water route 16 is about 0.02MPa.
Three: test tap water can open the minimal pressure force value of dish-washing machine entering water electromagnetic valve 11; on-test; all pipelines are closed; open control valve 5; dish-washing machine is started; owing to there is no water; dish-washing machine entering water electromagnetic valve 11 attonity; control valve 6 is opened with slowly speed; observe when the reading of Pressure gauge 3 is less than 0.02MPa; dish-washing machine entering water electromagnetic valve 11 attonity, when Pressure gauge 3 reading is probably at 0.022MPa, the dish-washing machine entering water electromagnetic valve 11 of dish-washing machine automatically opens up, and show that the minimum pressure values opening dish-washing machine entering water electromagnetic valve 11 is about 0.022MPa.
Four: collect after just now testing data, on the basis of the 3rd step, time near minimal pressure force value 0.022MPa, can the liquid washing assisant that observe dosing pump extraction flow in dish-washing machine smoothly, it was observed that liquid washing assisant can flow in dish-washing machine 13 smoothly.
Five: test liquid washing assisant gives the pair pressure that water route 15 is brought by dosing pump, on the basis of the 4th step, after dosing pump runs a period of time, the numerical value of Pressure gauge 3 tends towards stability, about 0.03MPa, the pressure drawn when dosing pump works in pair water route 15 is 0.03MPa.
Six: which value range the pressure in the secondary water route 15 of test after exceeding, it may occur that tap water pours in down a chimney the phenomenon in feed liquor state washing assisant box by secondary water route 15 through bypass 17.Connecing step and play five, on-test, when observing Pressure gauge 3 change in value, whether the tap water from pressure control device 6 can be poured in down a chimney back in liquid washing assisant box 1 through bypass 17 by secondary water route 15.
Test finds, when shown by Pressure gauge 3, numerical value is between 0.02MPa and a certain value, tap water does not pours in down a chimney phenomenon；When numerical value shown by Pressure gauge 3 exceedes a certain value, it was observed that tap water begins through backward flowing preventing device 4 and dosing pump 2 pours in down a chimney back in liquid washing assisant box 1；When numerical value shown by Pressure gauge 3 exceedes certain value, it is visually observed tap water and pours in down a chimney back in liquid washing assisant box 1 than relatively rapid.
Tap water described in seven: the six steps pours in down a chimney and occurs under static environment, and the test of this step is under dynamic environment.On-test, all valves are turned off, dish-washing machine is opened, owing to there is no water, dish-washing machine entering water electromagnetic valve 11 attonity, open control valve 8, pressure control device 6 is opened with speed the most slowly, when the pressure in secondary water route 15 is 0.02MPa, open backward flowing preventing device 4, start dosing pump 2, it can be seen that liquid washing assisant normally flows in dish-washing machine 13, continue slowly to open big pressure control device 6, observe when the value of Pressure gauge 3 is 0.02MPa ~ 0.03MPa, the device injecting liquid washing assisant can normally work, when pressure control device 6 is opened to a certain extent, when Pressure gauge 3 is certain value, it appeared that exceed the pressure of dosing pump 2 from the tap water pressure of pressure control device 6, tap water moves to dosing pump direction along secondary water route 15 through bypass 17.
Sum up, draw through above seven step tests, when the force value in secondary water route 15 is at 0.02MPa ~ 0.03MPa, liquid washing assisant can normally enter in dish-washing machine 13, when the force value in secondary water route 15 is in the range of certain, tap water can move to dosing pump direction through bypass 17 along secondary water route 15 and pour in down a chimney.
Play through above-mentioned step, show that in corresponding diagram backward flowing preventing device 4, pressure control device 6, control valve 8 are that dish-washing machine is automatically injected liquid washing assisant device necessary, further test, i.e. embodiment 2.
In all the examples below, backward flowing preventing device 4 is used to the device preventing the pressure in secondary water route 15 from pouring in down a chimney back the most greatly liquid washing assisant box 1 herein, the pressure that control valve 6 is used in control piper meets certain numerical value, scale is had, the reading of pressure control device 6 when remembeing to meet pressure in process of the test on pressure control device 6 described herein.
Embodiment
2
Illustrate a kind of dish-washing machine in conjunction with Fig. 2 and be automatically injected the device embodiment 2 of liquid washing assisant, it includes: the tap water outlet 12 being connected with tap water, draw main water route 15, the inlet pipeline 14 in secondary water route 16, it is arranged on the pressure control device 6 on secondary water route 15, is arranged on the control valve 8 on main water route 16.It is arranged on the backward flowing preventing device 4 in bypass 17, the dosing pump 2 being connected with liquid washing assisant box.Before dishwasher into operation, if pipeline is the most obstructed everywhere, open dish-washing machine water inlet button, open pressure control device 6 and arrive designated value, after current are coherent, start dosing pump 2, backward flowing preventing device 4 is in open mode, it is ensured that bypass 17 is unobstructed, injects quantitative liquid washing assisant.Liquid washing assisant injects complete, close dosing pump 2, start backward flowing preventing device 4 and enter in bypass 17 to block flow backwards, allow current flow again a little while and rinse secondary water route 15, opening controlling valve 8 is normally intake, treat dish-washing machine add water dish-washing machine specify position, dish-washing machine entering water electromagnetic valve 11 is automatically switched off, and dish-washing machine is started working.
Described dish-washing machine is automatically injected liquid washing assisant device and can mount easily or be adsorbed on upper surface or the side of dish-washing machine.
Described dish-washing machine is automatically injected the outlet of liquid washing assisant device and is connected with the water inlet of existing dish-washing machine, does not form existing dish-washing machine and destroys or transformation；If existing dish-washing machine arranges circuit for being automatically automatically injected on liquid washing assisant device at dish-washing machine, realize full-automatic function with dish-washing machine connection.
Embodiment
3
Such as Fig. 3, the research worker of the present invention is thought, pressure control device 6 can be the draw, in the present invention, the described draw is defined as follows, even if the heretofore described draw is identical with the professional term in other technologies field, it is as the criterion with the self-definition of the present invention, in the present invention, the described draw refers to the path in a tiny aperture, it can be a thin pipe, it is also possible to be a tiny micropore, and the pressure in secondary water route 15 can be dropped to the scope specified by the described draw.
Concretely when control valve 8 is closed, current flow out from secondary water route 15 can successfully open dish-washing machine entering water electromagnetic valve 11, example can open dish-washing machine entering water electromagnetic valve 11 as the tap water pressure about 0.022MPa in satisfied secondary water route 15, so pressure control device 6 can be control valve, it is alternatively the draw, it is also possible to fix the pressure control device keeping the tap water pressure in secondary water route 15 within the specific limits for similar energy.
Running water pressure force value P in described secondary water route 15 should meet:
The pressure that tap water can pour in down a chimney back liquid washing assisant box 1 by bypass 17 > P > tap water opens the minimum pressure values of dish-washing machine entering water electromagnetic valve 11 by pair water route 15.When needs use is automatically injected device, all valves are first closed, open dish-washing machine water inlet button, open pressure control device 6, due to pressure control device 6 for hydraulic pressure can be controlled that secondary water route 15 pressure can be allowed within the specific limits to keep a certain scope in, therefore tap water can enter in dish-washing machine by secondary water route 15 smoothly, start dosing pump 2, backward flowing preventing device 4 is in open mode, ensure that bypass 17 is unobstructed, it can be observed that liquid washing assisant enters outlet pipeline 18 smooth opening dish-washing machine entering water electromagnetic valve 11 by secondary water route 15 and enters in dish-washing machine.
If research worker of the present invention is it has been observed that it is also feasible that backward flowing preventing device 4 is replaced to a check valve, but the pressure of opening of described check valve should be less than the dosing pump 2 pressure to secondary water route 15, above-mentioned force value 0.03MPa recorded of example.Because being check valve, even if the current that control valve 8 is opened are high pressure, tap water also will not pour in down a chimney back in bypass 17 entrance liquid washing assisant box 1.
Described pressure control device 6, for selecting pipe with small pipe diameter during the draw, ensures in the range of example caliber 0.5mm ~ 1.5mm that liquid washing assisant box 1 does not pours in down a chimney when dish-washing machine entering water electromagnetic valve 11 is opened.
Embodiment
4
The present embodiment is a kind of method that Non-follow control injects liquid washing assisant device.Described injection liquid washing assisant device includes: the tap water outlet 12 being connected with running water pipe, draws main water route 15, the inlet pipeline 14 in secondary water route 16, is arranged on the pressure control device 6 on secondary water route 15, is arranged on the control valve 8 on main water route 16.It is arranged on the backward flowing preventing device 4 in bypass 17, the dosing pump 2 being connected with liquid washing assisant box.Before dishwasher into operation, if pipeline is the most obstructed everywhere, starting dish-washing machine, open pressure control device 6, after current are coherent, start dosing pump 2, backward flowing preventing device 4 is in open mode, it is ensured that bypass 17 is unobstructed, injects liquid washing assisant to specifying consumption.Liquid washing assisant injects complete, close dosing pump 2, start backward flowing preventing device 4 and enter in bypass 17 to block flow backwards, maintain current to flow again a little while and rinse secondary water route 15, opening controlling valve 8 is normally intake, treat dish-washing machine add water dish-washing machine specify position, dish-washing machine entering water electromagnetic valve 11 is automatically switched off, and dish-washing machine is started working.
Certainly, this situation can arrange different liquid washing assisant consumption gear, such as light dirt, and middle dirt, weight dirt etc., user can select different consumptions according to the clean level of laundry.
Described liquid washing assisant box 1 should be higher than that dish-washing machine water inlet, if liquid washing assisant box 1 is less than dish-washing machine water inlet, owing to action of gravity and siphon principle liquid washing assisant are it may happen that reflux, pipeline 17 likely occurs bubble, it is impossible to control it at required movement or the appointment consumption that reaches dish-washing machine liquid washing assisant in the appointment time.
Research worker of the present invention is observed and is found, in this case, device is the most daily in the whole work process of dish-washing machine does not use state will keep clear to electricity to control valve 8, and in order to reduce energy consumption and simplify control action, the present inventor provides next embodiment.
Embodiment
5
According to embodiment 4 phenomenon sum up, other the most in the same manner as in Example 4, except for the difference that institute's use electromagnetic valve 8 be open type, employing normal-open electromagnetic valve 8 benefit be, even if user also can normally use dish-washing machine inlet function without the liquid washing assisant device of the present invention.
Embodiment 6
The power supply of the present embodiment wholly liquid state washing assisant device, holding wire are controlled by the control device of dish-washing machine itself, the power supply that reverse-filling and (or) the dosing pump of liquid washing assisant injection device are drawn or the control device of holding wire and dish-washing machine connect, and the dress that controls at dish-washing machine centers the switch of automatic liquid feeding state washing assisant.
When after the startup dish-washing machine that switches on power, controlled whether procedure judges user have selected liquid washing assisant device by dish-washing machine, if dish-washing machine controls program finds that user does not select dish-washing machine to add liquid washing assisant program, owing to electromagnetic valve 8 is open type, dish-washing machine connected water inlet pipe faucet should be at normally open, dish-washing machine control Automatic Program is opened water intaking valve and is started water inlet, is equivalent to the automatic bowl washing machine that a Daepori is logical.
Liquid washing assisant injecting program has been selected when dish-washing machine controls program perception user, dish-washing machine is automatically into liquid washing assisant injecting program, faucet is in normally open all the time, at this moment dish-washing machine controls Automatic Program cut out electromagnetic valve 8, then dosing pump 2 is started, backward flowing preventing device 4 is in open mode, ensure that bypass 17 is unobstructed, described dosing pump 2 normally can inject according to the instruction that dish-washing machine control program sends, after liquid washing assisant amount reaches to specify consumption, dish-washing machine controls Automatic Program and cuts out dosing pump 2, start backward flowing preventing device 4 and enter in bypass 17 to block flow backwards, of short duration time holding secondary water route 15 interior flushing is continued to clean after closedown, normal-open electromagnetic valve 8 power-off, power-off rear electromagnetic valve 8 is in opening, dish-washing machine is normally intake.
Described bypass 17 can be more than one pipeline, and such as one pipeline is used for injecting detergent, and one is used for injecting softener etc., and such bowl washing machine control device can open difference bypass according to different instruction, adds different liquid flux.
Dish-washing machine water injection valve is generally pilot valve, the present invention is directed to the operation principle of pilot valve and combine goal of the invention proposition technical scheme, in order to be more clearly understood from technical scheme, following is a brief introduction of the operation principle of pilot valve, see shown in Fig. 4, Fig. 5.When water intaking valve no power, iron core, under the elastic force effect of spring, withstands on downwards on rubber valve, seals the centre bore of rubber valve, if at this moment connected at water source, water is introduced into A chamber, enters B chamber by the aperture on rubber valve subsequently, at this moment A, B chamber is filled with water, rubber valve is applied certain hydraulic pressure simultaneously.Now, rubber valve seals the A chamber path to C chamber, and dish-washing machine is not intake.When entering water electromagnetic valve is energized, the iron core of entering water electromagnetic valve can be under the effect of electromagnetic force, the pressure overcoming spring moves upward, so centre bore on rubber valve is opened, the water of B intracavity flows into C chamber by centre bore, owing to the path in A intracavity current entrance B chamber only has the aperture on rubber membrane, flow velocity is the slowest, therefore the pressure of B intracavity reduces rapidly, the hydraulic pressure of A intracavity will soon be more than the hydraulic pressure of B intracavity, rubber valve is backed down, as shown in Figure 5, the water that A intracavity enters flows directly into C chamber, dish-washing machine starts water inlet, therefore the present invention is when injecting liquid washing assisant, want first water flowing, ensure that liquid washing assisant will not pollute damage electromagnetic valve.
Claims (10)
1. utilize the method that dish-washing machine entering water electromagnetic valve injects liquid washing assisant, an inlet pipeline (14), inlet pipeline (14) auxiliary connection water route (15) and main water route (16)；Secondary water route (15) and main water route (16) connects outlet pipeline (18)；
Secondary water route (15) is provided with pressure control device (6), at least provided with a bypass (17) on the secondary water route between pressure control device (6) and outlet pipeline (18)；Main water route (16) is provided with control valve (8)；It is characterized in that: during use, inlet pipeline (14) is connected on water tap, outlet pipeline (18) is connected on dish-washing machine water inlet；Main water route (16) being closed, start dish-washing machine, dish-washing machine entering water electromagnetic valve (11) automatically opens up；Owing to secondary water route (15) is under the regulation of pressure control device (6), its pressure is more than the unlatching pressure of dish-washing machine entering water electromagnetic valve (11), the pressure of secondary water route (15) is injected less than or equal to liquid washing assisant, owing to pressure control device (6) remains unobstructed, current therefore from secondary water route (15) flow into dish-washing machine by outlet pipeline (18), liquid washing assisant is automatically injected secondary water route (15), and enters dish-washing machine along secondary water route (15) and outlet pipeline (18) by the entering water electromagnetic valve (11) of dish-washing machine；After liquid washing assisant reaches to specify consumption, open main water route (16) and carry out water filling, the most secondary water route (15) continues water flowing and washes away the liquid washing assisant sticked on secondary water route (15) inwall, after reaching to specify water level, dish-washing machine entering water electromagnetic valve (11) is automatically switched off, and dish-washing machine is started working.
2. liquid washing assisant as claimed in claim 1 is automatically injected method, it is characterised in that liquid washing assisant relies on pump or dosing pump to inject secondary water route (15)；Pressure control device (6) and control valve (8) are open types；Described dish-washing machine entering water electromagnetic valve (11) is pilot valve.
3. liquid washing assisant as claimed in claim 1 or 2 is automatically injected method, it is characterised in that at least one liquid washing assisant box (1), and the liquid washing assisant outlet of described liquid washing assisant box (1) connects bypass (17) by pump.
4. liquid washing assisant as claimed in claim 1 is automatically injected method, it is characterised in that after liquid washing assisant reaches to specify consumption, starts backward flowing preventing device (4) and enters in bypass (17) to block flow backwards.
5. one kind utilizes the device that dish-washing machine entering water electromagnetic valve injects liquid washing assisant, it is characterised in that: an inlet pipeline (14), inlet pipeline (14) auxiliary connection water route (15) and main water route (16)；Secondary water route (15) and main water route (16) connects outlet pipeline (18)；Secondary water route (15) is provided with pressure control device (6), at least provided with a bypass (17) on the secondary water route between pressure control device (6) and outlet pipeline (18)；Main water route (16) is provided with control valve (8).
6. liquid washing assisant as claimed in claim 5 is automatically injected device, it is characterised in that bypass (17) is provided with backward flowing preventing device (4), and described backward flowing preventing device (4) is electromagnetic valve or check valve.
7. liquid washing assisant as claimed in claim 5 is automatically injected device, it is characterised in that at least one liquid washing assisant box (1), and the liquid washing assisant outlet of described liquid washing assisant box (1) connects bypass (17) by pump.
8. liquid washing assisant as claimed in claim 5 is automatically injected device, it is characterized in that, described pressure control device (6) is the draw, the outlet pressure of described pressure control device (6) is more than the unlatching pressure of dish-washing machine water filling pilot valve, less than or equal to the injection pressure of bypass (17) liquid washing assisant.
9. liquid washing assisant as claimed in claim 7 is automatically injected device, it is characterised in that in described liquid washing assisant box (1), liquid washing assisant minimum level is automatically injected device and dish-washing machine water inlet higher than liquid washing assisant.
10. liquid washing assisant as claimed in claim 5 is automatically injected device, it is characterized in that, arranging a liquid washing assisant draw-off pump between the outlet of liquid washing assisant and the backward flowing preventing device (4) of described liquid washing assisant box (1), described draw-off pump can be dosing pump；Described control valve (8) is normal-open electromagnetic valve.
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| CN201510132983.9A CN106137083A (en) | 2015-03-25 | 2015-03-25 | Dish-washing machine entering water electromagnetic valve is utilized to inject the method and device of liquid washing assisant |
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| CN201510132983.9A CN106137083A (en) | 2015-03-25 | 2015-03-25 | Dish-washing machine entering water electromagnetic valve is utilized to inject the method and device of liquid washing assisant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106419797A (en) * | 2015-08-04 | 2017-02-22 | 北京必和易达知识产权咨询中心（有限合伙） | Apparatus injecting liquid washing assistant via water inlet of dish washier |
| CN106419798A (en) * | 2015-08-11 | 2017-02-22 | 黄世福 | Apparatus injecting liquid washing assistant via water inlet of dish washier |
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| CN200998240Y (en) * | 2007-02-07 | 2008-01-02 | 陆中华 | Full-automatic bowl washing machine |
| CN102108618A (en) * | 2009-12-29 | 2011-06-29 | 海尔集团公司 | Washing machine capable of automatically putting detergent and control method thereof |
| DE102011002051A1 (en) * | 2011-04-14 | 2012-10-18 | Miele & Cie. Kg | dishwasher |
| CN202860891U (en) * | 2012-10-25 | 2013-04-10 | 甘继东 | Steam washing machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106419797A (en) * | 2015-08-04 | 2017-02-22 | 北京必和易达知识产权咨询中心（有限合伙） | Apparatus injecting liquid washing assistant via water inlet of dish washier |
| CN106419798A (en) * | 2015-08-11 | 2017-02-22 | 黄世福 | Apparatus injecting liquid washing assistant via water inlet of dish washier |
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