CN106419797A

CN106419797A - Apparatus injecting liquid washing assistant via water inlet of dish washier

Info

Publication number: CN106419797A
Application number: CN201510472524.5A
Authority: CN
Inventors: 黄世福
Original assignee: Beijing Yida Intellectual Property Consulting Center And Have (limited Partnership)
Current assignee: Beijing Yida Intellectual Property Consulting Center And Have (limited Partnership)
Priority date: 2015-08-04
Filing date: 2015-08-04
Publication date: 2017-02-22

Abstract

An apparatus injecting liquid washing assistant via a water inlet of a dish washier is provided. The apparatus comprises a water injecting module and a washing assistant module, wherein a water inlet end of the water injecting module is connected with a water inlet; a water outlet end of the water injecting module is connected with a water inlet valve of the dish washier; and the washing assistant injecting module is communicated with the water injecting module. The apparatus is characterized in that during the use, the dish washier is started, and washing assistant is injected via the washing assistant injecting module; after the injection, water is continuously injected till reaching a designated water level; and the dish washier starts to work.

Description

A kind of utilization dish-washing machine water filling port injects the device of liquid washing assisant

Technical field

The present invention relates to a kind of utilization dish-washing machine water filling port injects the device of 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 kind is and dish-washing machine integrally formed liquid washing assisant box to need individually 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 are all given to produce and process and caused unnecessary puzzlement.

In view of this, how to design a kind of device that can inject liquid washing assisant in the case of not changing dish-washing machine present situation is the purpose of the present invention.

Content of the invention

Present invention is primarily targeted at providing a kind of utilization dish-washing machine water filling port to inject the device of liquid washing assisant.

The purpose of the present invention can be achieved in the following manner:

A kind of utilization dish-washing machine water filling port injects the device of liquid washing assisant, including：Water injection module and washing assisant injection module, the water inlet end of described water injection module is connected with water inlet, and the water side of described water injection module is connected with dish-washing machine water intaking valve, and described washing assisant filling module is connected with water injection module.

Further, washing assisant filling module is provided with communicator and liquid level alarm device, dish-washing machine washing assisant control module is provided with dish-washing machine, it is connected with the program control system of dish-washing machine, washing assisant is filled communicator and the control module of module and is connected by bluetooth, infrared, WiFi.

Further, described water injection module at least includes a water injecting pipeline, and described washing assisant filling module at least includes a washing assisant box.

Further, described water injection module includes at least a Venturi tube, and described Venturi tube includes a water entering section 18, and water entering section 18 is connected with outlet part 20 by throat 19；The place producing " vacuum " in Venturi tube is to be provided with inlet 15 at throat 19, and water injection module is additionally provided with connector 16 and supporting mouth 21；Described connector 16 is provided with screw thread and is connected with running water outlet mouth, and supporting mouth 21 is provided with screw thread and is connected with dish-washing machine water inlet；Described washing assisant filling module includes：Bypass 14 and liquid washing assisant box 1, the bypass 14 that washing assisant is filled module is connected with the inlet 15 of water injection module.

Further, described water injection module adopts a hydro powered proportioning pump 23, and described hydro powered proportioning pump 23 comprises three pipelines and is respectively water inlet 231, mixture export 232, washing assisant inlet 233；Described washing assisant filling module includes three-way valve 24, auxiliary branch 26 and the first washing assisant branch road 25, and described first washing assisant branch road 25 is connected with least one liquid washing assisant box 1；The washing assisant inlet 233 of described hydro powered proportioning pump 23 passes through a three-way valve 24 and connects auxiliary branch 26 and the first washing assisant branch road 25.

Further, described water injection module adopts a water filling controller 23, including at least one water inlet port and at least two water outlet ports；Described washing assisant filling module includes at least one washing assisant box 1 and backward flowing preventing device 3, and wherein, washing assisant box 21 connects backward flowing preventing device 3；Described dish-washing machine water intaking valve 12 is guide electromagnetic valve.

Further, described water injection module adopts a water filling controller 32；Described washing assisant filling module includes at least one washing assisant box 1 and backward flowing preventing device 3；Described dish-washing machine water intaking valve 4 is guide electromagnetic valve；

Described water filling controller 32 includes：Housing 320, sealed core 321, electromagnet coil 322, spring 323 and iron core（324）Described housing 320 is provided with water outlet port 326, water inlet port 327 and apopore 328, described apopore 328 is arranged on the inside noting described water filling controller 32, described sealed core 321 is provided with pressurization hole 3211, centre bore 3212 and damping hole 3213, and described water filling controller 32 has been divided into intake antrum 3252, control chamber 3251 and water chamber 3253 by described housing 320 and described sealed core 321.

Further, described water injection module includes inlet pipeline 7 and main water route 10, and described washing assisant filling module includes a secondary water route 9；Described inlet pipeline 7 auxiliary connection water route 9 and main water route 10；Described pair water route 9 and main water route 10 connect outlet pipeline 11.

Further, described water injection module adopts main water flow pipes 27；Described washing assisant filling module includes at least one Venturi tube 28 and at least one the second washing assisant filling branch roads 29, wherein second washing assisant filling branch road 29 includes at least one liquid washing assisant box 1 and metering device 22, washing assisant box 1 connects metering device 22, and metering device 22 is connected with Venturi tube 28；Described dish-washing machine entering water electromagnetic valve 12 is guide electromagnetic valve；

Described Venturi tube 28 and main water flow pipes 27 are arranged in parallel, wherein one end of two pipes is connected with running water outlet 6 after merging, the other end of two pipes is connected with dish-washing machine entering water electromagnetic valve 12 after merging, and described second washing assisant filling branch road 29 is connected with Venturi tube (28).

Brief description

Fig. 1 is embodiment 1 schematic device.

Fig. 2 is embodiment 3 schematic device.

Fig. 3 is embodiment 5 schematic device.

Fig. 4 is embodiment 7 schematic device.

Fig. 5 is venturi tube structure figure.

Fig. 6 is embodiment 8 schematic device.

Fig. 7 is schematic diagram during two-bit triplet electromagnetic valve no power.

Fig. 8 is schematic diagram during two-bit triplet solenoid valves.

Fig. 9 is embodiment 9 schematic device.

Figure 10 is embodiment 9 structural representation.

Figure 11 is water filling controller closed mode schematic diagram.

Figure 12 is water filling controller opening schematic diagram.

Figure 13 is the fundamental diagram during water intaking valve no power of pilot valve.

Figure 14 is the fundamental diagram during water intaking valve energising of pilot valve.

In order to be better understood from the present invention，Part numbers that heretofore described dish-washing machine be automatically injected liquid washing assisant are given below，Wherein，Liquid washing assisant box 1，Dosing pump 2，Backward flowing preventing device 3，Pressure control device 4，Control valve 5，Running water outlet 6，Inlet pipeline 7，Bypass 8，Secondary water route 9，Main water route 10，Outlet pipeline 11，Dish-washing machine water intaking valve 12，Dish-washing machine 13，Bypass 14，Inlet 15，Connector 16，Constant pressure valve 17，Water entering section 18，Throat 19，Outlet part 20，Supporting mouth 21，Metering device 22，Hydro powered proportioning pump 23，Three-way valve 24，First washing assisant branch road 25，Auxiliary branch 26，Main water flow pipes 27，Venturi tube 28，Second washing assisant filling branch road 29，Two-bit triplet electromagnetic valve 30，3rd washing assisant injection branch 31，Water filling controller 32，4th washing assisant injection branch 33，

Water inlet port 127, water inlet 231, mixture export 232, washing assisant inlet 23133, inlet cylinders section 281, circular cone contraction section 282, throat 283, diffuser 284,

Water inlet port 301, the first water outlet port 307, the second water outlet port 308, housing 320, sealed core 321, electromagnet coil 322, spring 323, iron core 324, water outlet port 326, intake port 327, apopore 328,

Pressurization hole 3211, centre bore 3212, damping hole 3213, control chamber 3251, intake antrum 3252, water chamber 3253.

Specific embodiment

Embodiment 1

Illustrate the device embodiment that a kind of dish-washing machine is automatically injected liquid washing assisant in conjunction with Fig. 1, it includes：The running water outlet 6 being connected with tap water, is drawn main water route 10, the inlet pipeline 7 in secondary water route 9, is arranged on the pressure control device 4 on secondary water route 9, is arranged on the control valve 5 on main water route 10.It is arranged on the backward flowing preventing device 3 in bypass 8, the dosing pump 2 being connected with liquid washing assisant box 1.Before dishwasher into operation, if pipeline is all obstructed everywhere, open dish-washing machine water inlet button, open pressure control device 4 and arrive designated value, after current link up, start dosing pump 2, backward flowing preventing device 3 is in open mode it is ensured that bypass 17 is unobstructed, the quantitative liquid washing assisant of injection.The injection of liquid washing assisant finishes, close dosing pump 2, start backward flowing preventing device 3 and enter in bypass 8 to block flow backwardses, allow current to flow again a little while and rinse secondary water route 9, opening controlling valve 5 is normally intake, treat that dish-washing machine adds water dish-washing machine specified location, dish-washing machine water intaking valve 12 is automatically switched off, and dish-washing machine is started working.

It is possible to further have multiple liquid washing assisant boxes for filling different washing assisants.

Embodiment 2

The present embodiment is the described device of Application Example 1, a kind of method that Non-follow control injects liquid washing assisant device.Described injection liquid washing assisant device includes：The running water outlet 6 being connected with running water pipe, is drawn main water route 9, the inlet pipeline 7 in secondary water route 10, is arranged on the pressure control device 4 on secondary water route 10, is arranged on the control valve 5 on main water route 9.It is arranged on the backward flowing preventing device 3 in bypass 8, the dosing pump 2 being connected with liquid washing assisant box.Before dishwasher into operation, if pipeline is all obstructed everywhere, starts dish-washing machine, open pressure control device 4, after current link up, start dosing pump 2, backward flowing preventing device 3 is in open mode it is ensured that bypass 8 is unobstructed, and injection liquid washing assisant is to specified consumption.The injection of liquid washing assisant finishes, close dosing pump 2, start backward flowing preventing device 3 and enter in bypass 8 to block flow backwardses, maintain current to flow again a little while and rinse secondary water route 9, opening controlling valve 5 is normally intake, treat that dish-washing machine adds water dish-washing machine specified location, dish-washing machine water intaking valve 12 is automatically switched off, and dish-washing machine is started working.

Certainly, this situation can arrange different liquid washing assisant consumption gears, for example gently dirty, middle dirt, weight dirt etc., and user can select different consumptions according to the clean level of institute's wash up.

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, because action of gravity and siphon principle liquid washing assisant are it may happen that flow back, it is possible to bubble occurs the specified consumption it is impossible to controlling it in required movement or reaching dish-washing machine liquid washing assisant in the specified time in pipeline 8.

Research worker of the present invention is observed and is found, in this case, device even daily not use state in the whole work process of dish-washing machine will keep clear to electricity to control valve 5, in order to reduce energy consumption and simplify control action, preferably used electromagnetic valve 5 is open type, benefit using normal-open electromagnetic valve 5 is, even if user also can be normally using dish-washing machine inlet function without the liquid washing assisant device of the present invention.

In addition, a kind of method being automatically injected liquid washing assisant device can also be set on the basis of the described device of embodiment 1, the power supply of wholly liquid state washing assisant device, holding wire are controlled by the control device of dish-washing machine itself, the reverse-filling of liquid washing assisant injection device and（Or）The power supply that dosing pump is drawn or the control device of holding wire and dish-washing machine connect, and arrange the switch of automatic liquid feeding state washing assisant in the control device of dish-washing machine.

After starting dish-washing machine when switching on power, by dish-washing machine, whether control program automatic decision user have selected liquid washing assisant device, if dish-washing machine control program finds that user does not select dish-washing machine to add liquid washing assisant program, because electromagnetic valve 5 is open type, dish-washing machine connected water inlet pipe faucet should be at normally open, dish-washing machine control program automatically opens up water intaking valve and starts to intake, and is equivalent to the automatic bowl washing machine that a Daepori leads to.

When dish-washing machine control program, perception user has selected liquid washing assisant injecting program, 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 control program Self-shut electromagnetic valve 12, then start dosing pump 2, backward flowing preventing device 3 is in open mode, ensure that bypass 8 is unobstructed, described dosing pump 2 normally can be injected according to the instruction that dish-washing machine control program sends, after liquid washing assisant amount reaches specified consumption, dish-washing machine control program is automatically switched off dosing pump 2, start backward flowing preventing device 3 and enter in bypass 8 to block flow backwardses, of short duration time holding secondary water route 9 interior flushing is continued to clean after closing, normal-open electromagnetic valve 5 power-off, after power-off, electromagnetic valve 5 is in opening, dish-washing machine is normally intake.

Described bypass 8 can be more than one pipeline, and such bowl washing machine control device can open different bypasses according to different instruction, adds different liquid flux.

Embodiment 3

As shown in Figure 2, a kind of by dish-washing machine water filling port and water filling port have in the case of tap water pressure inject liquid washing assisant device, described device includes the first water injection module A, the first washing assisant filling module B and the first washing assisant control module C tri- part, first water injection module A employs a Venturi tube, and described Venturi tube includes：One water entering section 18, water entering section 18 is connected with outlet part 20 by throat 19；Described throat 19 is the region producing " vacuum "；Connector 16 and supporting mouth 21 are additionally provided with the first water injection module A, the position producing the throat in " vacuum " area in Venturi tube is provided with filler 15；Screw thread is had to be connected with running water outlet mouth on described connector 16, supporting mouth 21 is provided with screw thread and is connected with dish-washing machine water inlet；First washing assisant filling module B includes：Bypass 14, liquid washing assisant box 1 and communicator；The bypass 14 that first washing assisant is filled module B is connected with the tap water inlet 6 of the first water injection module A；First washing assisant control module C is located on dish-washing machine, is connected with the program control system of dish-washing machine, and the signal that the first washing assisant fills between module B and the first washing assisant control module C passes through bluetooth, infrared, WiFi connection.

Further, the bypass 14 that first washing assisant fills module B is provided with backward flowing preventing device 3, washing assisant is injected into a certain amount of closing backward flowing preventing device 3, described backward flowing preventing device 3 is check valve or electromagnetic valve, prevent from producing between the first water injection module A and the bypass of the first washing assisant filling module B and pour in down a chimney, in aqueous reflux to washing assisant box 1.

Further, it is provided with metering device 22 between washing assisant box 1 and backward flowing preventing device 3, after washing assisant amount reaches specified consumption, 22 feedback of the information of metering device give dish-washing machine, and programme-control backward flowing preventing device is closed.

Constant pressure valve 17 can also being set between connector 16 and water entering section 18 it is ensured that the washing assisant amount of unit interval suction is constant, thus calculate sucking the time specifying washing assisant amount to need, the washing assisant time being sucked by programme-control.

Embodiment 4

The present embodiment is the described device using embodiment 3, a kind of by dish-washing machine water filling port and water filling port have in the case of tap water pressure inject liquid washing assisant method.Described device includes the first water injection module A, first washing assisant filling module B two parts, and the first water injection module A employs a Venturi tube, and described Venturi tube includes：One water entering section 18, water entering section 18 is connected with outlet part 20 by throat 19；The place producing " vacuum " in Venturi tube is to be provided with inlet 15 at throat 19, the first water injection module A is additionally provided with connector 16 and supporting mouth 21, is provided with constant pressure valve 17 between connector 16 and water entering section 18；Screw thread is had to be connected with running water outlet mouth on described connector 16, supporting mouth 21 is provided with screw thread and is connected with dish-washing machine water inlet；First washing assisant filling module B includes：Bypass 14 and liquid washing assisant box 1, fill in the first washing assisant and are additionally provided with communicator and liquid level alarm device in module B；The bypass 14 that first washing assisant is filled module B is connected with the inlet 15 of water injection module A, and be provided with backward flowing preventing device 3 in bypass 14 and inlet 15 junction is control valve herein.

During use, detect washing assisant amount, when washing assisant amount is inadequate, fill washing assisant；Washing assisant amount is enough, start dish-washing machine, current are more than the Opening pressure of dish-washing machine water intaking valve by its pressure of Venturi tube, dish-washing machine water intaking valve is opened, control valve 3 is opened, according to the principle of Venturi tube, current enter from the water entering section 18 of Venturi tube, form negative pressure between throat 19 and bypass 14, due to pressure reduction, liquid washing assisant passes through throat 19 along bypass 14 and flows to dish-washing machine along current entrance outlet part 20, after reaching the specified consumption of washing assisant, closing control valve 5；Continue injection tap water, after reaching specified water level, dish-washing machine water intaking valve is automatically switched off, and dish-washing machine is started working.

Embodiment 5

As shown in figure 3, a kind of by dish-washing machine water filling port and water filling port has the device injecting liquid washing assisant in the case of tap water pressure, described device includes the second water injection module D and the second washing assisant and fills module E；Second water injection module D adopts a hydro powered proportioning pump 23, and described hydro powered proportioning pump 23 comprises three pipelines and is respectively water inlet 231, mixture export 232 and washing assisant inlet 233；Second washing assisant filling module E includes three-way valve 24, auxiliary branch 27 and washing assisant branch road 25, is connected with liquid washing assisant box 1 on washing assisant branch road 25；Auxiliary branch 27 is connected with running water pipe or is communicated with air；Second water injection module D and the second washing assisant fill and connect auxiliary branch 27 and washing assisant branch road 25 by the washing assisant inlet 233 connecting tee valve 24 of hydro powered proportioning pump 23 between module E；Second water injection module D water inlet 231 is connected with running water pipe and mixture export 232 is connected with dish-washing machine water inlet.

Embodiment 6

The present embodiment is using embodiment 5 described device, a kind of by dish-washing machine water filling port and water filling port have in the case of tap water pressure inject liquid washing assisant method.Described device includes the second water injection module D, second washing assisant filling module E two parts, second water injection module D adopts a hydro powered proportioning pump 23, described hydro powered proportioning pump 23 comprises three pipelines and is respectively water inlet 231, mixture export 232, washing assisant inlet 233；Second washing assisant filling module E includes three-way valve 24, auxiliary branch 3 and washing assisant branch road 5, and the second washing assisant filling module E is provided with liquid level alarm device, and described washing assisant branch road 5 is connected with least one liquid washing assisant box 1 and metering device 22；The washing assisant inlet 233 of described hydro powered proportioning pump 23 passes through a three-way valve 24 and connects auxiliary branch 3 and washing assisant branch road 5；During use, the water inlet 231 of hydro powered proportioning pump 23 is connected on water tap, mixture export 232 is connected on dish-washing machine water inlet；, detect washing assisant amount, when washing assisant amount is inadequate, fill washing assisant；Washing assisant amount is enough, starts dish-washing machine, three-way valve 24 is opened to connection air or tap water direction, because tap water pressure is more than the Opening pressure of dish-washing machine water intaking valve, dish-washing machine water intaking valve is opened；Tap water enters dish-washing machine by dish-washing machine water intaking valve, when entrance a period of time, after example 2 to 3 seconds, three-way valve 24 is opened to connection washing assisant direction, current are intake from water inlet 231 by hydro powered proportioning pump 23, drive the piston movement of the inside to extract washing assisant and form mixed liquor in hydro powered proportioning pump 23 intracavity with tap water through washing assisant branch road 5 and three-way valve 24；Mixed liquor flows to dish-washing machine by mixture export 232, after washing assisant amount reaches specified consumption, three-way valve 24 is opened to auxiliary branch 3 to connect with washing assisant inlet 233, the entrance tap water proportional to the water of water inlet 231 or air, and continue to intake, after reaching specified water level, dish-washing machine water intaking valve is automatically switched off, and dish-washing machine is started working.

Second washing assisant filling module E is provided with communicator, is provided with dish-washing machine the second washing assisant control module F, is connected with the program control system of dish-washing machine on dish-washing machine；During use, detect washing assisant amount, when washing assisant amount is inadequate, fill washing assisant；Washing assisant amount is enough, start dish-washing machine, under hydraulic pressure effect, dish-washing machine electromagnetic valve is opened, signal is produced between dish-washing machine the second washing assisant control module F and the second washing assisant filling module E, second washing assisant filling module E is started working, three-way valve 24 is opened to connection air or tap water direction, and because tap water pressure is more than the Opening pressure of dish-washing machine water intaking valve, dish-washing machine water intaking valve is opened；Tap water enters dish-washing machine by dish-washing machine water intaking valve, after entering a period of time example 3 to 5 seconds, three-way valve 24 is opened to connection washing assisant direction, current are intake from water inlet 231 by hydro powered proportioning pump 23, drive the piston movement of the inside to extract washing assisant and form mixed liquor through washing assisant branch road 5 and three-way valve 24 in proportion in hydro powered proportioning pump 23 intracavity and tap water；Mixed liquor flows to dish-washing machine by mixture export 232, after washing assisant amount reaches specified consumption, three-way valve 24 is opened to connect air or tap water direction, continue water inlet, tap water in auxiliary branch 3 or the air entrance hydro powered proportioning pump 23 proportional to the water of water inlet 231, after reaching specified water level, dish-washing machine water intaking valve is automatically switched off, and dish-washing machine is started working.

Described proportioning pump is can be purchased commercially in prior art, the Shandong star automatic ratio pump LX-4 of such as Jining of Shandong Province（Numbering is：2315291）Just can use in the present invention.

Embodiment 7

As shown in the figure, a kind of device of injection liquid washing assisant, this device includes main water flow pipes 27, Venturi tube 28 and the second washing assisant filling branch road 29, specifically, Venturi tube 28 is in parallel with main water flow pipes 27, and the second washing assisant filling branch road 29 is connected with the injection port at the throat 283 of Venturi tube 28.

Washing assisant filling bypass 29 includes washing assisant box 1, metering device 292 and backward flowing preventing device 3, specifically, washing assisant box 1 connects metering device 292, and one end of backward flowing preventing device 3 is connected with metering device 292, and the other end is connected with the injection port at the throat 283 of Venturi tube 28.

During use, after the port of the inlet cylinders section 281 of Venturi tube 28 is merged, it is connected running water outlet 6 with one end of main water flow pipes 27, the port of diffuser 284 of Venturi tube 28 is connected dish-washing machine water intaking valve 12 after merging with the other end of main water flow pipes 27.

Start dish-washing machine, walk from two water routes of moisture from the beginning of running water outlet 6 injection, a part of current become owner of water flow pipes 27, a part of water flows into Venturi tube 28, when tap water passes through the throat 283 of Venturi tube 28, negative pressure is produced near throat 283, now throat 283 nearby produces adsorption, washing assisant is inhaled into the throat 283 of Venturi tube 28, the port of washing assisant circular cone diffuser 284 from Venturi tube 28 with tap water is flowed out, then the tap water flowing out with main water flow pipes 27 converges, and together injects dish-washing machine by dish-washing machine water intaking valve 12.

After reaching washing assisant specified consumption, metering device 292 provides signal, by valve（Or stopper）Second washing assisant is filled branch road 29 close, now, still through Venturi tube 28, the washing assisant that tube wall is rinsed and guarantees with suction is well into dish-washing machine for tap water.

In the presence of backward flowing preventing device 3, tap water can't enter the second washing assisant filling branch road 29 it is therefore prevented that tap water pours in down a chimney to whole the injecting process, dilute, pollute washing assisant, backward flowing preventing device 3 can be simple check valve.

After adding water to dish-washing machine steel ladle and specifying water level, dish-washing machine water intaking valve 12 is closed, and dish-washing machine starts to wash work.

When main water flow pipes 27 and Venturi tube 28 are injected in 6 points of two water routes of running water outlet, the assignment of traffic of two pipelines must is fulfilled for following condition to tap water：After water flowing before washing assisant flows into clothing machine entering water electromagnetic valve 12, dish-washing machine water intaking valve 12 is opened by the water that main water flow pipes 27 flow out；In addition, when current pass through Venturi tube 28, the throat 283 of Venturi tube 28 can produce enough negative pressure, washing assisant is sucked the throat 283 of Venturi tube 28, and before the water level of dish-washing machine steel ladle reaches specified water level, suck the washing assisant specifying consumption.

The operation principle of Venturi tube 3 is as follows：

As shown in figure 5, standard（Classical）Venturi tube is made up of inlet cylinders section 281, circular cone contraction section 282, cylindrical throat 283, circular cone diffuser 284；A diameter of D of cylindrical section 281, its length is also equal to D；Contraction section 282 is cone, and has 21⁰±1⁰Angle；Throat 283 is the circular cylinder section of a diameter of d, and its length is also equal to d；Diffuser 284 is cone, and angle of flare is 7⁰～15⁰；

When current flow inside Venturi tube, at the narrowest place of pipeline（I.e. cylindrical throat 283）, dynamic pressure（Velocity head）Reach maximum, static pressure（Resting Pressure）Reach minima, the speed of current rises because of the relation that diminishes of the cross-sectional area that shoves, and entirely shoves and will experience pipe reductions process within the same time, thus pressure is also in the reduction of same time, and then generation pressure differential, this pressure differential is to fluid one external suction of offer.

Embodiment 8

As shown in fig. 6, a kind of device of injection washing assisant, this device includes two-bit triplet electromagnetic valve 30 and the 3rd washing assisant injection branch 31.Specifically, the water inlet port 301 of two-bit triplet electromagnetic valve 30 is connected with running water outlet 6, first water outlet port 307 of two-bit triplet electromagnetic valve 30 is connected with the water inlet port 127 of dish-washing machine water intaking valve 12 and constitutes main water route, second water outlet port 308 of two-bit triplet electromagnetic valve 30 is connected with the water inlet port 127 of dish-washing machine water intaking valve 12 and constitutes secondary water route, and the 3rd washing assisant injection branch 31 is connected between second water side 308 of two-bit triplet electromagnetic valve 30 in secondary water route and dish-washing machine water intaking valve 12 by backward flowing preventing device 3.

3rd washing assisant injection branch 31 includes washing assisant box 1, dosing pump 2 and backward flowing preventing device 3, specifically, washing assisant box 1 connects dosing pump 2, one end of backward flowing preventing device 3 is connected with dosing pump 2, and the other end is connected between the second water side 308 of two-bit triplet electromagnetic valve 30 and dish-washing machine water intaking valve 12.

During use, the water inlet port 301 of two-bit triplet electromagnetic valve 30 is connected with running water outlet 6, and adjusts two-bit triplet electromagnetic valve 30, so that two-bit triplet electromagnetic valve 30 water inlet port 301 is connected with the second water outlet port 308, as shown in Figure 2.

Start dish-washing machine, now tap water flows into dish-washing machine water intaking valve 12 by the second water outlet port 308 of two-bit triplet electromagnetic valve 30, and opens it.

Simultaneously or postpone open dosing pump 2, washing assisant is pumped into from washing assisant box 1 secondary water route, when reach washing assisant specify consumption after, by valve（Or stopper）Close the 3rd washing assisant injection branch 31, the water flowing regular hour is continued in secondary water route（The such as 3-5 second）, the washing assisant that tube wall is rinsed and guarantees with suction is well into dish-washing machine.Now, due to the presence of backward flowing preventing device 3, tap water can not enter the 3rd washing assisant injection branch 31 it is therefore prevented that tap water pours in down a chimney, and dilutes, pollutes washing assisant.

Subsequently adjust two-bit triplet electromagnetic valve 30, so that two-bit triplet electromagnetic valve 30 water inlet port 301 is connected with the first water outlet port 307, as shown in fig. 6, now tap water flows to rapidly dish-washing machine from the first water outlet port 307 of two-bit triplet electromagnetic valve 30.

After adding water to dish-washing machine steel ladle and specifying water level, dish-washing machine water intaking valve is closed, and dish-washing machine starts to wash work.

The aperture of the second water outlet port 308 of two-bit triplet electromagnetic valve 30 must meet following condition：Water is when the second water outlet port 308 of two-bit triplet electromagnetic valve 30 flows into dish-washing machine water intaking valve 12, dish-washing machine water intaking valve 12 is opened by its pressure value enough, and now the pressure in secondary water route is necessarily less than the pressure of the 3rd washing assisant injection branch 31, to ensure that washing assisant can smoothly inject secondary water route.

Only a kind of structural representation of common two-bit triplet electromagnetic valve shown in Fig. 3, Fig. 4, heretofore described two-bit triplet electromagnetic valve is not limited to the structure that Fig. 7, Fig. 8 provide.

Embodiment 9

As shown in Figure 9, Figure 10, a kind of device of injection washing assisant, including water filling controller 32 and the 4th washing assisant injection branch 33, wherein, the 4th washing assisant injection branch 33 is arranged between the sealed core 321 of water filling controller 32 and water outlet port 326；During use, the water inlet port 327 of water filling controller 32 is connected with running water outlet 6, and the water outlet port 326 of water filling controller 32 is connected with the water inlet port 127 of dish-washing machine water intaking valve 12.

4th washing assisant injection branch 33 includes washing assisant box 1, dosing pump 2 and backward flowing preventing device 3, specifically, washing assisant box 1 is connected with dosing pump 2, and one end of backward flowing preventing device 3 is connected with dosing pump 2, and the other end is connected between the sealed core 321 of water filling controller 32 and water outlet port 326.

As shown in figure 11, the structure of water filling controller 32 mainly includes：Water filling controller 32 has been divided into intake antrum 3252, control chamber 3251 and water chamber 3253 by housing 320, sealed core 321, electromagnet coil 322, spring 323 and iron core 324, housing 320 and sealed core 321；

Housing 320 is provided with water outlet port 326, water inlet port 327 and apopore 328, apopore 328 is arranged on the inside of water filling controller 32, sealed core 321 is above apopore 328, and sealed core 321 is when deforming upon, and apopore 328 is sealed by sealed core 321 just；

Sealed core 321 is provided with pressurization hole 3211, centre bore 3212 and damping hole 3213, and Fig. 5 is the partial enlarged drawing of pressurization hole 3211, centre bore 3212 and damping hole 3213 on the sealed core 321 of water filling controller 32；

The aperture of centre bore 3212 is less than the aperture of apopore 328, and the aperture of the 3212 of centre bore is much larger than the aperture in pressurization hole 3211, to ensure water when centre bore 3212 flows out, pressure in control chamber 3251 can be quickly drop to below the pressure in intake antrum 3252, using pressure differential, sealed core 321 is lifted off apopore 328, current directly can enter water chamber 3253 by apopore 3328 from intake antrum 3252；

Iron core 324 is located above the centre bore 3212 of sealed core 321, and seals centre bore 3212 under the elastic force effect of spring 323；

Damping hole 3213 meets following condition：Water in control chamber 3251 can flow into water chamber 3253 by damping hole 3213, flow into the water of dish-washing machine water intaking valve 12 from damping hole 3213, dish-washing machine water intaking valve 12 is opened by hydraulic pressure enough, must ensure the intake antrum 3252 of water filling controller 32 and the pressure balance of control chamber 3251 simultaneously；

As shown in figure 11, in the state of no power not water filling, the centre bore 3212 of sealed core 321 is sealed under the elastic force effect of spring 323 by iron core 324, simultaneously in the presence of elastic force, sealed core 321 is pressed on apopore 328, also apopore 328 is sealed, now centre bore 3212 and apopore 328 are in closed mode；

During use, the water inlet port 327 of water filling controller 32 is connected with filler 15, current just inject in the direction of the arrow, it is gradually filled with intake antrum 3252, subsequently enter control chamber 3251 from pressurization hole 3211, because centre bore 3212 is closed, the water of control chamber 3251 can't flow out from centre bore 3212；But, presence due to damping hole 3213 on sealed core 321, water can enter water chamber 3253 from damping hole 3213, but the aperture due to damping hole 3213 is less than the aperture in pressurization hole 3211, so remaining to full of water in control chamber 3251, now control chamber 3251 is equal with the hydraulic pressure of intake antrum 3252, under the elastic force of spring 323 and the collective effect of hydraulic pressure pressure, the pressure that sealed core 321 contacts side with control chamber 3251 contacts the pressure of side slightly larger than sealed core 321 with intake antrum 3252, and apopore 328 is sealed by therefore sealed core 321；

Start dish-washing machine, the water flowing out from damping hole 3213 enters dish-washing machine water intaking valve 12 and opens it；

Simultaneously or postpone open dosing pump 2, the liquid washing assisant in washing assisant box 1 is pumped between the sealed core 321 of water filling controller 32 and water outlet port 326, when reach washing assisant specify consumption after, by valve（Or stopper）Close the 4th washing assisant injection branch 33；

It is energized to water filling controller 32 afterwards，Iron core 324 can be in the presence of electromagnetic force，The elastic force overcoming spring 323 moves，Centre bore 3212 on sealed core 321 is opened，Water in control chamber 3251 is flowed out by centre bore 3212，Because pressurization hole 3211 is less than centre bore 3212，And the path of current entrance control chamber 3251 only has the pressurization hole 3211 on sealed core 321 in intake antrum 3252，Admission velocity is very slow，The speed flowing out from centre bore 3212 much smaller than the water in control chamber 3251，Therefore the pressure in control chamber 3251 reduces rapidly，Hydraulic pressure in intake antrum 3252 will soon exceed the hydraulic pressure in control chamber 3251，Sealed core 321 is lifted off apopore 328，Now apopore 328 is no longer blocked，As shown in figure 12，Aquiform stool in intake antrum 3252 directly can flow into water chamber 3253 by apopore 328，And dish-washing machine water intaking valve 12 is entered by water outlet port 326，Now current are rapidly injected dish-washing machine 13；

Now, due to the presence of backward flowing preventing device 3, tap water can not enter the 4th washing assisant injection branch 33, prevents tap water from pouring in down a chimney, dilution pollution washing assisant；

Dish-washing machine water intaking valve is generally pilot valve, this is mainly the bright operation principle for pilot valve and combines 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, referring to shown in Figure 13, Figure 14.When water intaking valve no power, iron core, under the elastic force of spring acts on, withstands on downwards on rubber valve, seals the centre bore of rubber valve, if at this moment connected water source, water is introduced into A chamber, and the aperture subsequently passing through on rubber valve enters B chamber, at this moment A, B chamber is filled with water, applies certain hydraulic pressure to rubber valve simultaneously.Now, rubber valve seals A chamber to the path in 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 in the presence of electromagnetic force, the pressure overcoming spring moves upwards, so the centre bore on rubber valve is opened, the water of B intracavity flows into C chamber by centre bore, because the path that A intracavity current enter B chamber only has the aperture on rubber membrane, flow velocity is very slow, the pressure of therefore B intracavity reduces rapidly, the hydraulic pressure of A intracavity will soon exceed the hydraulic pressure of B intracavity, rubber valve is backed down, as shown in Figure 3, the water that A intracavity enters flows directly into C chamber, dish-washing machine starts to intake, the present invention is when injecting liquid washing assisant, remain first water flowing, therefore liquid washing assisant will not pollute damage electromagnetic valve.

Described dish-washing machine injection liquid washing assisant device can easily mount or be adsorbed on upper surface or the side of dish-washing machine.

The outlet that described dish-washing machine injects liquid washing assisant device is connected with the water inlet of existing dish-washing machine, existing dish-washing machine is not formed and destroys or transform；If existing dish-washing machine is automatically can be automatically injected setting circuit on liquid washing assisant device in dish-washing machine, realize full-automatic function with dish-washing machine connection.

It is more than several embodiments of the invention, for those skilled in the art, does not spend performing creative labour, multiple changes can be done on the basis of above-described embodiment, be equally capable of the purpose of the present invention.But, this change obviously should be present invention is primarily targeted at provide a kind of utilization dish-washing machine water filling port to inject the device of liquid washing assisant in the protection domain of claims of the present invention.

The purpose of the present invention can be achieved in the following manner:

Specific embodiment

Embodiment 1

Embodiment 2

Embodiment 3

Embodiment 4

Embodiment 5

Embodiment 6

Embodiment 7

The operation principle of Venturi tube 3 is as follows：

Embodiment 8

Embodiment 9

It is more than several embodiments of the invention, for those skilled in the art, does not spend performing creative labour, multiple changes can be done on the basis of above-described embodiment, be equally capable of the purpose of the present invention.But, this change obviously should be in the protection domain of claims of the present invention.

Claims

1. a kind of utilization dish-washing machine water filling port injects the device of liquid washing assisant it is characterised in that including：Water injection module and washing assisant injection module, the water inlet end of described water injection module is connected with water inlet, and the water side of described water injection module is connected with dish-washing machine water intaking valve, and described washing assisant filling module is connected with water injection module.

2. device according to claim 1 it is characterised in that：Washing assisant filling module is provided with communicator and liquid level alarm device, dish-washing machine washing assisant control module is provided with dish-washing machine, it is connected with the program control system of dish-washing machine, washing assisant is filled communicator and the control module of module and is connected by bluetooth, infrared, WiFi.

3. device according to claim 1 it is characterised in that：Described water injection module at least includes a water injecting pipeline, and described washing assisant filling module at least includes a washing assisant box.

4. the device according to any one of claims 1 to 3 it is characterised in that：Described water injection module includes at least a Venturi tube, and described Venturi tube includes a water entering section (18), and water entering section (18) is connected with outlet part (20) by throat (19)；The place producing " vacuum " in Venturi tube is that throat (19) place is provided with inlet (15), and water injection module is additionally provided with connector (16) and supporting mouth (21)；Described connector (16) is provided with screw thread and is connected with running water outlet mouth, and supporting mouth (21) is provided with screw thread and is connected with dish-washing machine water inlet；Described washing assisant filling module includes：Bypass (14) and liquid washing assisant box (1), the bypass (14) that washing assisant is filled module is connected with the inlet (15) of water injection module.

5. the device according to any one of claims 1 to 3 it is characterised in that：Described water injection module adopts a hydro powered proportioning pump (23), described hydro powered proportioning pump (23) comprises three pipelines and is respectively water inlet (231), mixture export (232), washing assisant inlet (233)；Described washing assisant filling module includes three-way valve (24), auxiliary branch (26) and the first washing assisant branch road (25), and described first washing assisant branch road (25) is connected with least one liquid washing assisant box (1)；The washing assisant inlet (233) of described hydro powered proportioning pump (23) passes through a three-way valve (24) and connects auxiliary branch (26) and the first washing assisant branch road (25).

6. the device according to any one of claims 1 to 3 it is characterised in that：Described water injection module adopts a water filling controller（23）, including at least one water inlet port and at least two water outlet ports；Described washing assisant filling module includes at least one washing assisant box（1）And backward flowing preventing device（3）, wherein, washing assisant box（21）Connect backward flowing preventing device（3）；Described dish-washing machine water intaking valve（12）For guide electromagnetic valve.

7. the device according to any one of claims 1 to 3 it is characterised in that：Described water injection module adopts a water filling controller（32）；Described washing assisant filling module includes at least one washing assisant box（1）And backward flowing preventing device（3）；Described dish-washing machine water intaking valve（4）For guide electromagnetic valve；

Described water filling controller（32）Including：Housing（320）, sealed core（321）, electromagnet coil（322）, spring（323）And iron core（324）, described housing（320）It is provided with water outlet port（326）, water inlet port（327）And apopore（328）, described apopore（328）It is arranged on the described water filling controller of note（32）Inside, described sealed core（321）It is provided with pressurization hole（3211）, centre bore（3212）And damping hole（3213）, described housing（320）With described sealed core（321）By described water filling controller（32）It has been divided into intake antrum（3252）, control chamber（3251）And water chamber（3253）.

8. the device according to any one of claims 1 to 3 it is characterised in that：Described water injection module includes inlet pipeline（7）With main water route（10）, described washing assisant filling module includes a secondary water route（9）；Described inlet pipeline（7）Auxiliary connection water route（9）With main water route（10）；Described pair water route（9）With main water route（10）Connect outlet pipeline（11）.

9. the device according to any one of claims 1 to 3 it is characterised in that：Described water injection module adopts main water flow pipes（27）；Described washing assisant filling module includes at least one Venturi tube (28) and at least one the second washing assisants fill branch road（29）, the wherein second washing assisant filling branch road（29）Including at least one liquid washing assisant box（1）And metering device（22）, washing assisant box（1）Connect metering device（22）, metering device（22）It is connected with Venturi tube (28)；Described dish-washing machine entering water electromagnetic valve（12）For guide electromagnetic valve；

Described Venturi tube (28) and main water flow pipes（27）It is arranged in parallel, with running water outlet after wherein one end merging of two pipes（6）It is connected, with dish-washing machine entering water electromagnetic valve after the other end merging of two pipes（12）It is connected, described second washing assisant filling branch road（29）It is connected with Venturi tube (28).