CN101176695A - Mixing device for tub - Google Patents
Mixing device for tub Download PDFInfo
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- CN101176695A CN101176695A CNA2007101860306A CN200710186030A CN101176695A CN 101176695 A CN101176695 A CN 101176695A CN A2007101860306 A CNA2007101860306 A CN A2007101860306A CN 200710186030 A CN200710186030 A CN 200710186030A CN 101176695 A CN101176695 A CN 101176695A
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Abstract
A fluid mixing apparatus configured to be connected to a tub, a liquid supply, and a gas supply, includes: a 1st pressurable liquid-storing chamber for storing liquid and mixing gas into liquid; a 2nd pressurable liquid-storing chamber for storing liquid and mixing gas into liquid; and a connection path connecting the 1st and 2nd liquid-storing chamber for supplying liquid from the 1st liquid-storing chamber to the 2nd liquid-storing chamber where the pressure inside the 2nd liquid-storing chamber is lower than the pressure inside the 1st liquid-storing chamber. The 2nd liquid-storing chamber is disposed downstream of the 1st liquid-storing chamber with respect to liquid flow.
Description
Technical field
The present invention relates generally to a kind of fluid mixer that is used for bath, and described fluid mixer mist and liquid are so that supply with bath.
Background technology
Device in disclosed Japan Patent No.2001-145676 is known as mixing with the device of supplying with this bath with gas liquid.In disclosed Japan Patent No.2001-145676 disclosed device bath is provided, the nozzle of jetting stream and the air intlet that links to each other with nozzle by air flow tube in bath.So,, can supply with in bath the liquid with mixed gases, and can strengthen the effect that temperature is bathed according to disclosed device in disclosed Japan Patent No.2001-145676.
Yet, for disclosed device in disclosed Japan Patent No.2001-145676, because gas only supplies to and will be supplied to the liquid of bath by air flow tube simply, so, can not mix enough gas.If can not mix enough gas, come the gas of liquid mixed in the comfortable bath to flow out immediately so, bathe effect and can not obtain enough temperature.
Summary of the invention
Yet,, a large amount of gases are mixed into the problem that mixing material that liquid can be created in the bath to be supplied with produces bubble based on such bath mixing apparatus.If produce bubble in bath, the transparency of the mixing material in bath will reduce, and the bather also can feel under the weather.
Embodiments of the invention are developed one that is used for addressing the above problem at least, and in an embodiment, one of purpose of the present invention provides a kind of minimized bath equipment of bubbles volume that can make by the generation of the mixing material in the bath.
In the invention described in the embodiment 1 is the bath equipment that the mixed liquor that is used for comprising the liquid that is mixed with gas supplies to bath, it is characterized in that having: first mixing chamber, described first mixing chamber has feeding pipe, mixed liquor is supplied to by described feeding pipe, described first mixing chamber is used at bottom storage mixed liquor, and described first mixing chamber has and maintains the first intrinsic pressure of the level place that is higher than atmospheric pressure; Second mixing chamber, described second mixing chamber has feeding pipe, mixed liquor is supplied to by described feeding pipe, described second mixing chamber is used at bottom storage mixed liquor, and described second mixing chamber has to maintain and is equal to or higher than atmospheric pressure but is lower than the second intrinsic pressure of the first intrinsic pressure level place in first Room; The mixed liquor cycling mechanism is used for order with first mixing chamber and second mixing chamber by described mixing chamber circulation mixed liquor and then make mixed liquor get back to bath; Liquid feeding parts is used for liquid is supplied to one of mixed liquor recycle circuit, and described mixed liquor recycle circuit comprises the recycle circuit of corresponding bath, first mixing chamber and second mixing chamber; And gas supply member, being used to supply gas to one of mixed liquor recycle circuit, described mixed liquor recycle circuit comprises the recycle circuit of corresponding bath, first mixing chamber and second mixing chamber.
In the present invention described in the embodiment 2 is according to embodiment 1 described bath equipment, and also have: the gas supply lines is used for first and second mixing chambers are connected to gas supply member via valve; Pick off is used for measuring the pressure of first and second mixing chambers; And control assembly, described control assembly based on by sensor to the opening/closing of force value by-pass valve control.
In the present invention described in the embodiment 3 is that wherein metering valve or resistance valve are set between first mixing chamber and second mixing chamber, and also are set between second mixing chamber and the bath according to embodiment 1 or 2 described bath equipment.
In the present invention described in the embodiment 4 is that wherein fluid reservoir is set between second mixing chamber and the bath, is used for storing mixed liquor temporarily according to embodiment 1 or 2 described bath equipment.
The present invention described in the embodiment 5 be according to embodiment 1 to 4 in any described bath equipment, wherein feeding pipe has and is used for mixed liquor is spurted into a plurality of holes in the space of liquid level top of the mixed liquor that is stored in first and second mixing chambers.
In the present invention described in the embodiment 6 is that wherein pick off is set up, with the liquid level of the mixed liquor of detection of stored in first and second mixing chambers according to embodiment 5 described bath equipment.
The present invention described in the embodiment 7 be according to embodiment 1 to 6 in any described bath equipment, wherein metering valve or resistance valve be set at along mixed liquor is supplied to bath the pipeline of process near the supply port of bath.
The present invention described in the embodiment 8 be according to embodiment 2 to 7 in any described bath equipment, if wherein by sensor to force value drop to below the particular value, then be increased and continue the regular hour from the feed rate of gas supply member gas supplied.
In the present invention described in the embodiment 9 is according to embodiment 8 described bath equipment, wherein, if by sensor to force value drop under the particular value, gas supply from gas supply member stopped in the regular hour, and after one section special time, can be increased in the regular hour from the feed rate of gas supply member gas supplied and to be higher than the level of supplying with the feed rate before stopping.
In the present invention described in the embodiment 10 is bath equipment according to embodiment 9, wherein control assembly stop repeatedly within a certain period of time with supply gas up to reaching specified pressure.
According in the present invention described in the embodiment 1, the bubbles volume that is produced by the mixed liquor in the bath can be minimized.
According in the present invention described in the embodiment 2, the pressure in first and second mixing chambers can maintain suitable level.
According in the present invention described in the embodiment 3, the pressure in first and second mixing chambers can rise at an easy rate.
According in the present invention described in the embodiment 4, the bubbles volume that is produced by the mixed liquor in the bath can further be reduced.
According in the present invention described in the embodiment 5, gas can be mixed in the liquid at an easy rate.
According in the present invention described in the embodiment 6, the liquid level of the mixed liquor in first and second mixing chambers can maintain on the suitable level.
According in the present invention described in the embodiment 7, the bubble that is produced by the mixed liquor that supplies to bath can become more tiny.
According to any the described the present invention in embodiment 8 to 10, can avoid because the decline of the pressure in the mixing chamber causes the decline of the meltage of gas.
In order to summarize the present invention and to surmount the advantage that prior art obtains, certain purpose of the present invention and advantage are described in the present invention.Of course it is to be understood that all these purposes or the advantage that do not need to realize according to accordance with any particular embodiment of the present invention.Therefore, for example, it will be understood by those of skill in the art that the present invention can be obtaining or the mode as a advantage that this paper was provided or one group of advantage optimized is embodied or realizes, and other purposes or the advantage that obtain to provide or advise as this paper is not provided.
Other aspect, feature and advantage of the present invention will be obvious from following detailed description of preferred embodiment.
Description of drawings
Describe these and other features of the present invention at this accompanying drawing with reference to preferred embodiment, described preferred embodiment is schematically and not to limit the present invention.Accompanying drawing has carried out a lot of simplification for schematic purpose, and does not draw in proportion.
Fig. 1 is the perspective view of bath 3 that adopts the bath equipment of example according to the invention;
Fig. 2 is the sketch map of the bath equipment of example according to the invention;
Fig. 3 is the cross-sectional side view of feeding pipe 220;
Fig. 4 is the block diagram that the main circuit of the bath equipment of example according to the invention is constructed;
Fig. 5 is the sketch map of the bath equipment of another example according to the invention.
[symbol description]
3 baths
10 first mixing chambers
11 pipelines
12 circulating pumps
13 pressure transducers
14 close/open valves
15 close/open valves
16 liquid level sensors
20 second mixing chambers
21 pipelines
22 circulating pumps
23 pressure transducers
24 close/open valves
25 close/open valves
26 liquid level sensors
30 fluid reservoirs
34 close/open valves
36 liquid level sensors
41 gas supply members
42 mixed organizations
51 liquid feeding parts
52 pipelines
53 pipelines
54 pipelines
55 pipelines
56 pipelines
57 circulating pumps
58 dosages or resistance valve
59 dosages or resistance valve
60 control assemblies
71 pipelines
72 pipelines
81 dosages or resistance valve
82 dosages or resistance valve
83 dosages or resistance valve
91 liquid feeding parts
220 feeding pipes
221 holes
The specific embodiment
Describe the present invention in detail with reference to preferred embodiment.Yet preferred embodiment does not limit the present invention.
In an embodiment of the present invention, configuration is used for the fluid mixing apparatus that links to each other with bath (for example 3), liquid feeding parts (for example 51,91) and gas supply member (for example 41), comprise: (i) first fluid reservoir (for example 10), be used for storage of liquids and gas is mixed into liquid, described first fluid reservoir has pressure; (ii) second fluid reservoir (for example 20) is used for storage of liquids and gas is mixed into liquid, and described second fluid reservoir has pressure; (iii) access path (for example 54), described access path connects first fluid reservoir and second fluid reservoir, be used for liquid is supplied to second fluid reservoir from first fluid reservoir, wherein, the second fluid reservoir pressure inside is lower than the first fluid reservoir pressure inside, and described second fluid reservoir places the downstream of first fluid reservoir with respect to liquid stream.
In above-mentioned, in an embodiment, access path can be provided with the metering valve of the pressure that is used to reduce the liquid that therefrom passes through or resistance valve (for example 58).
In any the above embodiments, described fluid mixing apparatus can also comprise the 3rd fluid reservoir that is used for storaging liquid (for example 30), described the 3rd fluid reservoir has pressure, and described access path (for example 55) links to each other second fluid reservoir with the 3rd fluid reservoir, be used for liquid is supplied to the 3rd fluid reservoir from second fluid reservoir, wherein the 3rd fluid reservoir pressure inside is lower than the second fluid reservoir pressure inside, and described the 3rd fluid reservoir is placed in the downstream of second fluid reservoir with respect to liquid stream.
In any the above embodiments, the described access path that connects second fluid reservoir and the 3rd fluid reservoir can be provided with the metering valve of the pressure that is used to reduce the liquid that therefrom passes through or resistance valve (for example 59).
In any the above embodiments, described first fluid reservoir and second fluid reservoir can be respectively link to each other with gas supply member through first valve (for example 15) and second valve (for example 25), and first fluid reservoir can link to each other with liquid feeding parts.
In any the above embodiments, first fluid reservoir and second fluid reservoir can be respectively arranged with first and second pressure transducers (for example 13,13).
In any the above embodiments, described fluid mixing apparatus can also comprise pressure controller (for example 60), described pressure controller be used for when be lower than by the detected respectively first fluid reservoir pressure inside of first and second pressure transducers and the second fluid reservoir pressure inside be first and second fluid reservoirs be provided with respectively pressure is set the time, control the first fluid reservoir pressure inside and the second fluid reservoir pressure inside respectively by opening and closing first and second valves respectively.
In any the above embodiments, described when pressure is set when being lower than by the detected first fluid reservoir pressure inside of first pressure transducer, described controller can be programmed and be used for (for example arriving up to pressure and setting value) in the given time beginning (for example with 10% to 60% by opening first valve, or 20% to 50%) the increase supply air-flow of first fluid reservoir, and described when pressure is set when being lower than by the detected second fluid reservoir pressure inside of second pressure transducer, described controller also is programmed and is used in the given time by opening second valve begin the to increase supply air-flow of second fluid reservoir.
In any the above embodiments, described controller is programmed in beginning to be increased before the air-flow in described preset time, in preset time (for example 2 to 7 minutes, as 5 minutes) stop to supply with air-flow, wherein, described air-flow is increased to the degree that exceeds the air-flow before stopping to supply with air-flow in first and/or second fluid reservoir.The reduction of fluid reservoir pressure inside can show since in liquid air inclusion or bubble, the operation that is used for liquid is imported the circulating pump of fluid reservoir is not optimized.By stopping to supply with air-flow, the concentration or the amount that are included in the gas in the liquid can be lowered, so that circulating pump can normally operate, and control system stably thus.Therefore, in an embodiment, air-flow can by off and on, circularly the conduction or with pulse conduction.
In any the above embodiments, described controller can be programmed that to be used for stopping repeatedly and increase air-flow, to arrive up to the first fluid reservoir pressure inside be the setting pressure that first fluid reservoir is provided with, and/or to stop and increasing air-flow repeatedly, arrive up to the second fluid reservoir pressure inside be the setting pressure of second fluid reservoir setting.
In any the above embodiments, first and second fluid reservoirs can be provided with first and second feeding pipes (for example 220a, 220c) that are separately positioned on the first and second fluid reservoir inside, in described first and second feeding pipes each has a plurality of holes (for example 221) above liquid level, be used for liquid from the inner inside that outwards is discharged into fluid reservoir by the hole of feeding pipe.
In any the above embodiments, in first and second fluid reservoirs each can also be provided with the liquid level setting device (for example 16) of the liquid level that is used for being provided with fluid reservoir, wherein said a plurality of hole only is arranged on the part of feeding pipe basically, and described part is located substantially on the top of the set liquid level in the fluid reservoir.
In any the above embodiments, first and second fluid reservoirs can also be provided with the first and second sub-feeding pipes that place the first and second fluid reservoir inside respectively (220b for example, 220d), in the described first and second sub-feeding pipes each has a plurality of holes above liquid level, be used for liquid outwards is discharged into by the hole from the inside of feeding pipe the inside of fluid reservoir, wherein, the lower end of first feeding pipe links to each other with liquid feeding parts, the described first sub-feeding pipe is with the circulating path of the liquid that is used to circulate in the first fluid reservoir inside (for example 11,12) constitute the loop, the lower end of second feeding pipe links to each other with first fluid reservoir, and the second sub-feeding pipe is with the circulating path of the liquid of the second fluid reservoir inside that is used to circulate (for example 21,22) constitute the loop.
In another embodiment of the present invention, the bath fluid mixing system can comprise: (i) fluid mixing apparatus comprises: (a) first fluid reservoir (for example 10), and be used for storage of liquids and gas is mixed into liquid, described first fluid reservoir has pressure; (b) second fluid reservoir (for example 20) is used for storage of liquids and gas is mixed into liquid, and described second fluid reservoir has pressure; And (c) access path (for example 54), described access path connects first fluid reservoir and second fluid reservoir, be used for liquid is supplied to second fluid reservoir from first fluid reservoir, wherein, the second fluid reservoir pressure inside is lower than the first fluid reservoir pressure inside, and described second fluid reservoir places the downstream of first fluid reservoir with respect to liquid stream; (ii) be used to store from second fluid reservoir or from the bath of the liquid of first and second fluid reservoirs (for example 3); (iii) be used for liquid is supplied to the liquid feeding parts (for example 51,91) of first fluid reservoir; (iv) be used to supply gas to the gas supply member (for example 41) of first and second fluid reservoirs; And (v) be used for circulating in the liquid circulation loop (for example 52,53,54,55,56,57,71,72) of the liquid of bath via first and second fluid reservoirs.
In above-mentioned, fluid mixing apparatus can be any one in the foregoing description.
In above-mentioned, in an embodiment, the bath and second fluid reservoir can be connected via access path (for example 72), and wherein said access path is provided with metering valve or resistance valve, are used for by flow of liquid being crossed the big relatively bubble that valve comes beak up of liquids to produce or comprise.Big relatively bubble can be broken into and is more equal even littler bubbles by flowing through valve in the liquid, and this is that the downstream owing to the high pressure of the upstream end of valve, valve is that the high liquid stream of the downstream part of low pressure and valve produces.Venturi tube (venturepipe), pin hole (orifice), choke valve (throttle valve), butterfly valve or other any suitable valves can both be used as metering valve or resistance valve.
In above-mentioned, fluid mixing apparatus can be any in the foregoing description.
In above-mentioned, in an embodiment, bath and first fluid reservoir can link to each other via access path (for example 71), and described access path is provided with metering valve or resistance valve (for example 81), are used for smashing the bubble that the liquid that therefrom flows through produces by the pressure differential between first fluid reservoir and the bath.
In another embodiment of the present invention, the bath fluid mixing method can comprise: (I) feed fluid and gas is mixed in the liquid in first fluid reservoir (for example 10), described first fluid reservoir be pressure arranged and also be provided with first pressure transducer (for example 13) and have first pressure, described gas is supplied to first fluid reservoir from gas supply member (for example 41) via first valve (for example 15); (II) liquid is supplied to second fluid reservoir (for example 20) from first fluid reservoir, and gas is mixed in the liquid in second fluid reservoir, described second fluid reservoir be pressure arranged and be provided with second pressure transducer (for example 23), and having second pressure that is lower than first pressure, described gas is supplied to second fluid reservoir via second valve (for example 25) from gas supply member (for example 41); And (III) liquid is supplied to the bath from second fluid reservoir or from first and second fluid reservoirs.
Any suitable device in the foregoing description can be used in the method.
In above-mentioned, in an embodiment, fluid mixing method can also comprise when respectively by the detected first fluid reservoir pressure inside of first and second pressure transducers and the second fluid reservoir pressure inside be lower than be first and second fluid reservoirs be provided with respectively pressure is set the time, by opening and closing first valve and second valve respectively, control the first fluid reservoir pressure inside and the second fluid reservoir pressure inside respectively.
In any the above embodiments, the pressure controlled step can comprise when being lower than by the detected first fluid reservoir pressure inside of first pressure transducer described when pressure is set, in the given time by opening first valve begin the to increase supply air-flow of first fluid reservoir, and described when pressure is set when being lower than by the detected second fluid reservoir pressure inside of second pressure transducer, in the given time by opening second valve begin the to increase supply air-flow of second fluid reservoir.
In any the above embodiments, the pressure controlled step can also comprise: beginning increases air-flow in described preset time before, in preset time, stop to supply with air-flow, wherein, described air-flow is increased to the degree that exceeds the air-flow before stopping to supply with air-flow in first and/or second fluid reservoir.
In any the above embodiments, pressure control can also comprise that stopping and increasing air-flow repeatedly, arriving up to the first fluid reservoir pressure inside is the setting pressure that first fluid reservoir is provided with, and/or stop and increasing air-flow repeatedly, be the setting pressure of second fluid reservoir setting up to the arrival of the second fluid reservoir pressure inside.
In any the above embodiments, described method can also comprise and adopts liquid circulation path (for example 52,53,54,55,56,57,71,72) with circulating pump (for example 57) circulating fluid between first, second fluid reservoir and bath.
In any the above embodiments, being provided with between 30% to 70% (comprise 40%, 50%, 60% and in the value between any two aforesaid numerals) of the degree of depth that liquid level can be preferably located in fluid reservoir in first and/or second fluid reservoir.In an embodiment, as long as gas dissolving efficient is good, described in fluid reservoir be provided with liquid level can the degree of depth of fluid reservoir 20% to 80% between.If this position is too low, does not then have enough liquid in fluid reservoir, to supply with, and do not have enough pressure can be used for shower.If this position is too high, the liquid that then gives off from the hole can not have enough chances and be exposed to gas in the fluid reservoir.
In any the above embodiments, for the above reasons, feeding pipe can preferably have greater than the degree of depth of fluid reservoir 50% (comprise 60%, 70%, 80%, 90% and any in front two numerals between value) height, especially when feeding pipe when hold up the bottom of fluid reservoir.In an embodiment, the upper end of feeding pipe can contact or near the top board of fluid reservoir.
In fluid reservoir, can adopt one or more feeding pipes.When adopting two feeding pipes, an inside that is used to insert the liquid into fluid reservoir, and another is used at the loop of fluid reservoir inside circulating fluid.One or more additional feeding pipes can also be used at the further circulating fluid in the loop of fluid reservoir inside, so that increase the gas that is mixed into liquid.
In any the above embodiments, for the reasons mentioned above, the part with a plurality of holes of feeding pipe can preferably place height from the upper end of feeding pipe to feeding pipe 20% to 65% (comprise 30%, 40%, 50%, 60% and any in front two numerals value).In an embodiment, feeding pipe can extend from the top board of fluid reservoir, and in this case, can be with foraminous part greater than 60% of the length of feeding pipe, and 60% of the length of feeding pipe can be less than 50% of the degree of depth of fluid reservoir.
In any the above embodiments, fluid reservoir can preferably have pressure relief valve's (for example 14,24,34), is used for discharging when pressure reaches given level the fluid reservoir pressure inside.If pressure surpasses given level, then relief valve is opened to adjust internal pressure.This can pass through peripheral control unit (for example 60) control, and perhaps relief valve can be used as relief valve and starts automatically.
In an embodiment, can be respectively about 1.5 atmospheric pressure to about 3.0 atmospheric pressure and about 1 atmospheric pressure to about 2.0 atmospheric pressure in the first and second fluid reservoir pressure inside, and the pressure differential between first and second fluid reservoirs can for about 0.5 atmospheric pressure to about 2.0 atmospheric pressure (for example 1.0 to 1.5 atmospheric pressure), so that when liquid when first fluid reservoir moves to second fluid reservoir, bubble can be smashed or be dissipated effectively.The use if one or more additional fluid reservoirs are connected, then above-mentioned pressure differential can be applied in the placed in-line additional fluid reservoir.The quantity of fluid reservoir can depend on the concentration of gas required in the size, liquid of size, each fluid reservoir of bath and is selected.Under the normal condition, can in series use two or more chambers (three or four or more).The fluid reservoir in downstream can preferably not have the chamber of feeding pipe.There is not the fluid reservoir in the downstream of feeding pipe can be less than (having feeding pipe) fluid reservoir of the upstream of the fluid reservoir that places downstream.
In any the above embodiments, the size in hole can select to be used to form the shower of being made up of drop, mist, liquid stream etc.In an embodiment, although the size in hole can be greater than 2.0mm in an embodiment, the size in described hole can be that about 0.3mm is to about 2.0mm (about 0.5mm is to about 0.8mm in other embodiment).The hole can be preferably bore hole, and can be roughly or approximately surpass 100 holes along the circumference setting of the described part of feeding pipe equably.Be arranged on the rotating speed of the pump on the circulating path by adjustment, can adjust the injection size of liquid from the hole.If rotating speed height, then supply pressure height, and the liquid injection size from the hole can be little, so that improve the dissolved efficiency of gas.Can select to comprise system's structure of supply pressure, so that the liquid that is sprayed can arrive the inwall of fluid reservoir.
In addition, if bath is individual bath, the liquid that is stored in so in the bath can be 45-60 liter (being the 5-50 liter in other embodiments), and correspondingly, the capacity of fluid reservoir can be determined.If the mixing capacity height of fluid reservoir, the size of fluid reservoir can be less than 1/2 (1/3,1/4,1/5, and the value between any in front two numerals) of the liquid of bath so.In an embodiment, the capacity of fluid reservoir can be in the scope that 5-50 rises (comprising the value between 10 liters, 20 liters, 30 liters, 40 liters and any in front two numerals, preferred 10-30 liter).In an embodiment, feeding pipe can have the length of about 300mm ± 50%.
In the present invention, condition and/or structure are not specific, and those skilled in the art can easily provide this condition and/or structure, as routine test from angle of the present invention.In the present invention, the numerical value numeral of Ying Yonging can be made amendment in scope at least ± 50% in other embodiment in an embodiment, and the scope that adopts in an embodiment can comprise or not comprise end points.
Explained later example of the present invention.
At first, explain the example of the bath 3 that adopts bath equipment according to the invention.Fig. 1 is the perspective view of bath 3 that adopts the bath equipment of this example according to the invention.
This bath 3 comprises arm bath 301 and lower limb bath 302, and wherein two baths are interconnection via pillar 303 on the top.The user is sitting on the bench 310 that is installed in bath 3 fronts, soaks his or her arm in arm bath 301, soaks his or her shank in lower limb bath 302, to promote the blood circulation in the health partly.
At this, example of the present invention does not need to be applied to being designed to only this bath 3 of the part of immersion body, but can be applied to being designed to soak the whole body bath (generaltub) of whole health.
Explain the structure of the bath mixing apparatus of example according to the invention.Fig. 2 is the sketch map of the bath mixing apparatus of example according to the invention.
This bath mixing apparatus is designed to the mixed liquor that comprises the warm water that is mixed with carbon dioxide is supplied with bath 3, and has first mixing chamber 10, second mixing chamber 20 and the fluid reservoir 30 that is used to store mixed liquor on the bottom.
First mixing chamber, 10 inside have a pair of feeding pipe 220, wherein said pipeline have with after a plurality of holes 221 in the space above the liquid level of mixed liquor that make an explanation, that be used for mixed liquor spurted into 10 storages of first mixing chamber.Feeding pipe 220 links to each other with the pipeline 53 that is used for mixed liquor is supplied to first mixing chamber.Another feeding pipe 220 links to each other with pipeline 11, and described pipeline 11 utilizes the effect of circulating pump 12, the feed fluid by the intermediate layer absorption mixed liquor of the mixed liquor of storage from first mixing chamber 10.
Fig. 3 is the part side view of feeding pipe 220.
A plurality of holes 221 are arranged on the only about half of cross section at the top that covers feeding pipe 220.By this feeding pipe 220 is linked to each other with pipeline 53,11, mixed liquor supplies in first mixing chamber 10 by a plurality of holes 221.Therefore, mixed liquor is released into the mixed liquor of storing with the form of shower in first mixing chamber 10, to strengthen the dissolved efficiency of carbon dioxide.This is applied in second mixing chamber 20 that makes an explanation later equally.
Let us is got back to Fig. 2 again.In this first mixing chamber 10, a pair of liquid level sensor 16 is provided for the liquid level of detection of stored mixed liquor therein.This first mixing chamber 10 also has the intrinsic pressure pressure transducer 13 of measuring first mixing chamber 10.And then this first mixing chamber 10 links to each other with extraneous air via close/open valve 14.In addition, this first mixing chamber 10 links to each other with the gas supply member 41 of supplying with carbon dioxide by close/open valve 15.
This first mixing chamber 10 intrinsic pressure is configured to about 3 atmospheric pressure.Constant pressure ground in first mixing chamber 10 is by pressure transducer 13 monitorings, and the opening/closing of close/open valve 15 is based on being controlled by these pressure transducer 13 detected force value.This ON/OFF control realizes by the control assembly 60 that makes an explanation later.
Second mixing chamber, 20 inside have a pair of feeding pipe 220, wherein said pipeline have with after make an explanation be used for mixed liquor spurted into a plurality of holes 221 in the space above the liquid level of mixed liquor of second mixing chamber, 20 storages.A feeding pipe 220 links to each other with the pipeline 54 that has metering valve or resistance valve 58 in the centre, and is used for mixed liquor is supplied to second mixing chamber 20 from first mixing chamber 10.Another feeding pipe 220 links to each other with pipeline 21, described pipeline 21 utilize circulating pump 22 effect, draw mixed liquor by the intermediate layer of the mixed liquor of storage from second mixing chamber 20 and supply with mixed liquor.
In this second mixing chamber 20, a pair of liquid level sensor 26 is provided for the liquid level of detection of stored mixed liquor therein.This second mixing chamber 20 also has the intrinsic pressure pressure transducer 23 of measuring second mixing chamber 20.And then this second mixing chamber 20 links to each other with extraneous air via close/open valve 24.In addition, this second mixing chamber 20 links to each other with gas supply member 41 by close/open valve 25.
This second mixing chamber 20 intrinsic pressure is configured to about 1.5 atmospheric pressure, is lower than the pressure of first mixing chamber 10.Constant pressure ground in second mixing chamber 20 is by pressure transducer 23 monitorings, and the opening/closing of close/open valve 25 is based on being controlled by these pressure transducer 23 detected force value.This ON/OFF control realizes by the control assembly 60 that makes an explanation later.
Fig. 4 is the block diagram that the main circuit of the bath mixing apparatus of example according to the invention is constructed.
This bath mixing apparatus has control assembly 60, and described control assembly 60 comprises: read only memory (ROM) 61 is used for the described equipment necessary operations program of storage control; Random access memory (RAM) 62 is used for storing data etc. provisionally in control procedure; And central processing unit (CPU) 36, be used for actuating logic and calculate.This control assembly 60 links to each other with pump driver part 65 via interface 64, is used to control the driving of above-mentioned each circulating pump 12,22,57.This control assembly 60 also links to each other with valve driver part 66 via interface 64, is used to control the opening/closing of above-mentioned each valve 14,15,24,25,34.And then this control assembly 60 links to each other with the pick off link 67 that is connected above-mentioned pressure transducer 13,23 and liquid level sensor 16,26,36 via interface 64.This bath mixing apparatus is carried out various operations by the control that is provided by this control assembly 60.
In having the bath mixing apparatus of above-mentioned structure, the warm water that supplies to bath from liquid feeding parts 51 is fed into first mixing chamber by force by the effect of circulating pump 57.At this moment, before warm water will enter first mixing chamber 10, carbon dioxide was mixed into warm water by the effect of mixed organization 42.The mixed liquor that comprises warm water and carbon dioxide is by being arranged on a plurality of holes 221 on the feeding pipe 220, the injected space of going into to be stored in the liquid level top of the mixed liquor in first mixing chamber 10.
Space above the liquid level of the mixed liquor in being stored in first mixing chamber 10 is filled by the carbon dioxide of supplying with from gas supply member 41.When mixed liquor 221 sprays and when contact with this carbon dioxide the gas concentration lwevel increase in mixed liquor from a plurality of holes feeding pipe 220.Be stored in mixed liquor in first mixing chamber 10 by the effect of circulating pump 12 and by a plurality of holes 22 1 in another feeding pipe 220, in the space of the injected once more liquid level top of going into to be stored in the mixed liquor in first mixing chamber 10.This has further increased the gas concentration lwevel in mixed liquor.
Force the mixed liquor that is fed in second mixing chamber 20 by in the space above the injected liquid level of going into to be stored in the mixed liquor in second mixing chamber 20 in a plurality of holes in a feeding pipe 220 221 via metering valve or resistance valve 58.
Space above the liquid level of the mixed liquor in being stored in second mixing chamber 20 is filled by the carbon dioxide of supplying with from gas supply member 41.When mixed liquor 221 sprays and when contact with this carbon dioxide the gas concentration lwevel increase in mixed liquor from a plurality of holes feeding pipe 220.Be stored in mixed liquor in second mixing chamber 20 by the effect of circulating pump 22 and by a plurality of holes 221 in another feeding pipe 220, in the space of the injected once more liquid level top of going into to be stored in the mixed liquor in second mixing chamber 20.This has further increased the gas concentration lwevel in mixed liquor.
Force the mixed liquor that is fed in the fluid reservoir 30 to be temporarily stored in the fluid reservoir 30 via metering valve or resistance valve 59.Pressure in this fluid reservoir 30 is corresponding with atmospheric pressure, and in this fluid reservoir 30, carbon dioxide liquid partly discharges with bubble form from mixed liquor.Therefore, can reduce the bubble that from the mixed liquor that supplies to bath 3, produces.The carbon dioxide of collecting in the top of fluid reservoir 30 is just discharged into the atmosphere via close/open valve 34 if desired.Ground for reference, this carbon dioxide can be collected in the gas supply member 41.Also carbon dioxide mix can be gone into flow through in the mixed liquor of pipeline 52 or pipeline 53.
In above-mentioned example, the pressure in first mixing chamber 10 is set at 3 atmospheric pressure, and the pressure in second mixing chamber 20 is set at 1.5 atmospheric pressure.Yet second mixing chamber 20 can be configured to any other pressure, as long as this pressure is equal to or greater than atmospheric pressure and is lower than pressure in first mixing chamber 10.In other words, the pressure in second mixing chamber 20 can be identical with atmospheric pressure.
In above-mentioned example, warm water supplies to bath 3 from liquid feeding parts 51.Yet it is just enough that this warm water is fed into one of mixed liquor recycle circuit of comprising the recycle circuit that is used for first mixing chamber 10, second mixing chamber 20, fluid reservoir 30 and bath 3.
Similarly, in above-mentioned example, the carbon dioxide of supplying with from gas supply member 41 is fed into mixed liquor via the mixed organization 42 that is arranged on the pipeline 53.Yet it is just enough that this carbon dioxide is fed into one of mixed liquor recycle circuit of comprising the recycle circuit that is used for first mixing chamber 10, second mixing chamber 20, fluid reservoir 30 and bath 3.
In above-mentioned example, carbon dioxide is dissolved in the mixed liquor by utilizing the feeding pipe that has a plurality of holes 221 220 as mentioned below, and described a plurality of holes are used for mixed liquor is spurted into the space of the liquid level top of the mixed liquor that is stored in first mixing chamber 10 and second mixing chamber 20.Yet, can be by more mixed liquor being spurted in the mixed liquor that is stored in first mixing chamber 10 and second mixing chamber 20, perhaps by producing the amount that convection current increases carbon dioxide dissolved in the mixed liquor in the mixed liquor in being stored in first mixing chamber 10 and second mixing chamber 20.
In above-mentioned example, to remove beyond first and second mixing chambers 10,20, fluid reservoir 30 also is used.Yet this fluid reservoir 30 can be omitted, and mixed liquor can directly supply to bath 3 from second mixing chamber.
Next explain another example of bath mixing apparatus according to the invention.
Fig. 5 is the sketch map of another example of bath mixing apparatus according to the invention.As shown in Figure 5, the bath mixing apparatus that meets this example also comprises: pipeline 71, described pipeline 71 be from pipeline 54 branches, and mixed liquor is supplied to bath 3 from first mixing chamber 10; Pipeline 72, described pipeline 72 supplies to bath 3 from pipeline 55 branches and with mixed liquor from second mixing chamber 20; Metering valve or resistance valve 81,82,83, it is positioned at along pipeline 71,72,56 near the feed water inlet of bath 3; And the liquid feeding parts 91 in the pipeline 53 that connects the circulating pump 57 and first mixing chamber 10.In Fig. 5, the identical parts that use in the described in front example are represented by identical Reference numeral, and omission is to their detailed description.
Have the pipeline 71 that mixed liquor can be supplied to bath 3 from first mixing chamber 10 and mixed liquor can supplied to from second mixing chamber 20 this example of pipeline 72 of bath 3, required mixed liquor feed path can be selected according to service condition etc.Particularly, when the saturated mixed liquor of the meltage from bath 3 to the mixing chamber recycled carbon dioxide, liquid does not need a plurality of mixing chambers of flowing through, but dissociated carbon dioxide can alternatively be added in the mixed liquor in the single chamber in bath 3, perhaps also mixed liquor directly can be supplied to the bath 3 from first mixing chamber 10 or second mixing chamber 20, so that increase the circulation rate of mixed liquor.In this case, do not need excessive carbon dioxide is supplied to each mixing chamber from liquid feeding parts 41, and therefore the air pressure in first mixing chamber 10 can be configured to about 1.5 atmospheric pressure, and that the pressure in second mixing chamber 20 can be configured to is identical with atmospheric pressure, and can also reduce the bubble formation that is caused occurring by the pressure differential between the mixed liquor that supplies to bath 3 from two chambers.
Metering valve or resistance valve 81,82,83 be arranged on make near the mixed liquor supply port along pipeline 71,72,56 to bath 3 and allow to be caused the more refinement of bubble that produces by the pressure differential between the mixed liquor that supplies to bath 3 from each mixing chamber by pressure at metering valve or resistance valve 81,82,83 places.This has reduced the uncomfortable feeling of user in bath 3 that the contact skin by air pocket and user causes, and because the size decreases of bubble, also makes the easier fragmentation of bubble.
If low from bath 3 to first mixing chambers 10 circulation mixed liquor flow rates, then liquid feeding parts 91 can supply to flow channel 53 with additional liquid as required.Particularly, when liquid directly supplies to bath 3 and user when using bath 3 from liquid feeding parts 51, the gas concentration lwevel in the bath 3 descends and temperature is bathed effect and also descended.Therefore, liquid feeding parts 91 links to each other with flow channel 53 after bath 3 but before first mixing chamber.This configuration allows to add additional liquid when user uses bath 3, and does not reduce the gas concentration lwevel in the bath 3.
Liquid feeding parts 91 also can supply to pipeline 53 such modes via supply valve etc. from water system with water and dispose.In this example, also can only supply with water, warm water etc. from liquid feeding parts 91.
The operation of adjusting the gas feed rate based on detected force value in each mixing chamber can also make an explanation referring again to Fig. 2,4 and 5.
As shown in Figure 4, pick off link 67 and valve driver part 66 are connected to control assembly 60 via interface 64.Pick off link 67 links to each other with pressure transducer 13,23, and valve driver part 66 links to each other with the valve 15,25 of adjustment from the delivery rate of gas supply member 41 gas supplied.
In having the bath mixing apparatus of above-mentioned control system, when being dropped to the particular value that is pre-stored among the ROM61 (for example for 3 atmospheric pressure of first mixing chamber 10 and for 1.5 atmospheric pressure of second mixing chamber 20) by pressure transducer 13 or pressure transducer 23 detected force value when following, the gas feed rate increases by the opening/closing of valve 15 or valve 25.At this moment, gas is supplied with and to be stopped the regular hour, and after during this period of time, by in predetermined a period of time the feed rate of gas being increased from stopping the level of gas before supplying with, gas is fed into first mixing chamber 10, second mixing chamber 20 etc.Also can repeat in the regular hour, to stop gas supplying with, up to the operation of pressure stability on a particular value, and in the regular hour to be higher than the operation of supplying with the feed rate supply gas before stopping at gas.Be used to realize the structure of this control by adding, the pressure in each mixing chamber can maintain on the certain or higher level.Therefore, gas can be supplied with the mixed liquor that high concentration is dissolved in wherein with being stabilized.
Based on by effective especially in the above-mentioned bath mixing apparatus that is adjusted at shown in Fig. 2 or 5 of the detected force value of pressure transducer to the gas feed rate, wherein mixed and the driving force of mixed liquor by the ducted circulating pump 57 between the bath 3 and first mixing chamber 10 that be stored in the bath 3 circulates once more with gas.Particularly, mixed liquor supplies to circulating pump 57 and enters circulating pump 57 from bath 3, and when this moment, liquid is because a large amount of bubbles are stirred and produce in acting on of pump in the pump.These bubbles form air pocket (cavity) in comprising the mixing liquid stream of gas and liquid, and form cavitation effect (cavitation).This cavitation effect can reduce pump performance or even shorten service life of pump.If the bath mixing apparatus is operation continuously under this condition, its pressure, especially the pressure in first mixing chamber 10 will reduce step by step, and therefore the mixed liquor that has a low quantity of dissolved gas will supply in the bath 3.This phenomenon can be by avoiding based on adjusting the gas feed rate by the detected force value of pressure transducer.
In the adjustment of gas feed rate, also can adjust based on the detected value of for example carbonic acid gas concentration sensor etc.Yet the carbonic acid gas concentration sensor is expensive, and will increase the manufacturing cost of bath mixing apparatus.In order to make simple in equipment and easily manufactured, the bath mixing apparatus of example according to the invention adopts certain structure, and by described structure, the gas feed rate can be based on being adjusted by the detected force value of pressure transducer.
Also can provide flow sensor etc. by the service 56,71,72 along mixed liquor for example to bath 3, as Fig. 2 or shown in Figure 5, to realize adjustment, by described adjustment, when flow drops to specified level when following, remove based on adjusting outside the air-flow, also improve the speed of circulating pump 57 or increase gas feed rate from liquid feeding parts 51,91 by the detected force value of pressure transducer.
The present invention includes the foregoing description and other a plurality of embodiment, comprise as follows:
[embodiment 1]
A kind of mixed liquor that is used for comprising the liquid that is mixed with gas supplies to the bath mixing apparatus of bath, described bath mixing apparatus is characterised in that to have: (i) first mixing chamber, it has feeding pipe, mixed liquor is supplied to by described feeding pipe, be used at bottom storage mixed liquor, and have and maintain first intrinsic pressure on the level that is higher than atmospheric pressure; (ii) second mixing chamber, it has feeding pipe, and mixed liquor is supplied to by described feeding pipe, is used at the bottom storage of liquids, and has to maintain and be equal to or higher than atmospheric pressure but be lower than second intrinsic pressure on the level of first pressure in first mixing chamber; (iii) be used for by the sequential loop mixed liquor of chamber, and make it get back to bath then with first mixing chamber and second mixing chamber; (iv) liquid feeding parts is used for one of mixed liquor recycle circuit that liquid is supplied to the recycle circuit that comprises corresponding bath, first mixing chamber and second mixing chamber; And (v) gas supply member is used to supply gas to one of mixed liquor recycle circuit of the recycle circuit that comprises corresponding bath, first mixing chamber and second mixing chamber.
[embodiment 2]
Bath mixing apparatus according to embodiment 1 also comprises: (I) gas supply lines, and it is connected to gas supply member via valve with first and second mixing chambers; (II) pick off, it measures the pressure in first and second mixing chambers; (III) control assembly, described control assembly based on by sensor to the opening/closing of force value control valve.
[embodiment 3]
According to the bath mixing apparatus of embodiment 1 or 2, wherein metering valve or resistance valve are set between first mixing chamber and second mixing chamber, and between second mixing chamber and the bath.
[embodiment 4]
According to the bath mixing apparatus of embodiment 1 or 2, wherein fluid reservoir is arranged between second mixing chamber and the bath, is used for storing mixed liquor temporarily.
[embodiment 5]
According to each the bath mixing apparatus among the embodiment 1 to 4, wherein said feeding pipe has and is used for mixed liquor is spurted into a plurality of holes in the space of liquid level top of the mixed liquor that is stored in first and second mixed liquors.
[embodiment 6]
According to the bath mixing apparatus of embodiment 5, wherein said pick off is set to the liquid level of the mixed liquor of detection of stored in first and second mixing chambers.
[embodiment 7]
According to each bath mixing apparatus among the embodiment 1 to 6, wherein metering valve or resistance valve are arranged on along mixed liquor being supplied to pipeline that bath passes through near the supply port of bath.
[embodiment 8]
According to each bath mixing apparatus among the embodiment 2 to 7, if wherein by sensor to force value drop to below the particular value, increase within a certain period of time from gas supply member gas supplied feed rate.
[embodiment 9]
Bath mixing apparatus according to embodiment 8, if wherein by sensor to force value drop to particular value when following, gas supply from gas supply member stops within a certain period of time, and through after the specific time, be increased within a certain period of time on the level that is higher than the feed rate before supply stops from the feed rate of gas supply member gas supplied.
[embodiment 10]
According to the bath mixing apparatus of embodiment 9, wherein said control assembly in the regular hour, stop repeatedly with supply gas up to reaching particular value.
The application requires the priority of Japanese patent application No.2007-124115 that submits in the Japanese patent application No.2006-304660 that submitted on November 10th, 2006, on May 9th, 2007 and the Japanese patent application No.2007-218069 that submitted on August 24th, 2007, and the disclosure of described patent integrally is incorporated herein by reference.
It will be understood by those of skill in the art that a large amount of can under the situation that does not depart from spirit of the present invention, carrying out with polytype modification.Therefore, it should be clearly understood that form of the present invention only is schematically, and do not mean restriction protection scope of the present invention.
Claims (22)
1. fluid mixing apparatus is arranged to bath, gas supply member and liquid feeding parts and links to each other, and comprising:
First fluid reservoir is used for storage of liquids and gas is mixed into liquid, and described first fluid reservoir has pressure;
Second fluid reservoir is used for storage of liquids and gas is mixed into liquid, and described second fluid reservoir has pressure;
Access path, described access path connects first fluid reservoir and second fluid reservoir, be used for liquid is supplied to second fluid reservoir from first fluid reservoir, wherein, the second fluid reservoir pressure inside is lower than the first fluid reservoir pressure inside, and described second fluid reservoir places the downstream of first fluid reservoir with respect to liquid stream.
2. fluid mixing apparatus according to claim 1, wherein, described access path is provided with metering valve or check-valves, is used for reducing the pressure of the liquid that passes through from described access path.
3. fluid mixing apparatus according to claim 1 also comprises: be used for storaging liquid the 3rd fluid reservoir, described the 3rd fluid reservoir has pressure; And access path, described access path links to each other second fluid reservoir with the 3rd fluid reservoir, be used for liquid is supplied to the 3rd fluid reservoir from second fluid reservoir, wherein, the 3rd fluid reservoir pressure inside is lower than the second fluid reservoir pressure inside, and described the 3rd fluid reservoir is placed in the downstream of second fluid reservoir with respect to liquid stream.
4. fluid mixing apparatus according to claim 3, wherein, the described access path that connects second fluid reservoir and the 3rd fluid reservoir is provided with metering valve or check-valves, is used for reducing the pressure of the liquid that passes through from described access path.
5. fluid mixing apparatus according to claim 1, wherein, described first fluid reservoir links to each other with gas supply member with second valve through first valve respectively with second fluid reservoir, and first fluid reservoir links to each other with liquid feeding parts.
6. fluid mixing apparatus according to claim 5, wherein, described first fluid reservoir and second fluid reservoir are respectively arranged with first and second pressure transducers.
7. fluid mixing apparatus according to claim 6, also comprise pressure controller, described pressure controller be used for when be lower than respectively by the detected respectively first fluid reservoir pressure inside of first and second pressure transducers and the second fluid reservoir pressure inside be the first and second fluid reservoir settings pressure is set the time, control the first fluid reservoir pressure inside and the second fluid reservoir pressure inside respectively by opening and closing first and second valves respectively.
8. fluid mixing apparatus according to claim 7, wherein, described when pressure is set when being lower than by the detected first fluid reservoir pressure inside of first pressure transducer, described controller is programmed and is used in the given time by opening first valve begin the to increase supply air-flow of first fluid reservoir, and described when pressure is set when being lower than by the detected second fluid reservoir pressure inside of second pressure transducer, described controller also is programmed and is used in the given time by opening second valve begin the to increase supply air-flow of second fluid reservoir.
9. fluid mixing apparatus according to claim 8, wherein, described controller is programmed in beginning to be increased before the air-flow in described preset time, in preset time, stop to supply with air-flow, wherein, described air-flow is increased to the degree that exceeds the air-flow before stopping to supply with air-flow in first and/or second fluid reservoir.
10. fluid mixing apparatus according to claim 9, wherein, described controller is programmed and is used for stopping repeatedly and increase air-flow, is reached for the setting pressure that first fluid reservoir is provided with up to the first fluid reservoir pressure inside, and/or stops and increasing air-flow repeatedly, is reached for the setting pressure of second fluid reservoir setting up to the second fluid reservoir pressure inside.
11. fluid mixing apparatus according to claim 1, wherein, described first and second fluid reservoirs are provided with first and second feeding pipes that are separately positioned on the first and second fluid reservoir inside, in described first and second feeding pipes each has a plurality of holes above liquid level, be used for liquid from the inner inside that outwards is discharged into fluid reservoir by described hole of feeding pipe.
12. fluid mixing apparatus according to claim 11, wherein, in first and second fluid reservoirs each also is provided with the liquid level setting device of the liquid level that is used for being provided with fluid reservoir, wherein, described a plurality of hole only is arranged on the part of feeding pipe basically, and described part is located substantially on the set liquid level top in the fluid reservoir.
13. fluid mixing apparatus according to claim 11, wherein, described first and second fluid reservoirs also are provided with the first and second sub-feeding pipes that place the first and second fluid reservoir inside respectively, in the described first and second sub-feeding pipes each has a plurality of holes above liquid level, be used for liquid outwards is discharged into by described hole from the inside of feeding pipe the inside of fluid reservoir, wherein, the lower end of first feeding pipe links to each other with liquid feeding parts, the described first sub-feeding pipe constitutes the loop with the circulating path of the liquid that is used to circulate in the first fluid reservoir inside, the lower end of second feeding pipe links to each other with first fluid reservoir, and the second sub-feeding pipe constitutes the loop with the circulating path of the liquid of the second fluid reservoir inside that is used to circulate.
14. a bath fluid mixing system comprises:
(i) fluid mixing apparatus comprises:
First fluid reservoir is used for storage of liquids and gas is mixed into liquid, and described first fluid reservoir has pressure;
Second fluid reservoir is used for storage of liquids and gas is mixed into liquid, and described second fluid reservoir has pressure; And
Access path, described access path connects first fluid reservoir and second fluid reservoir, be used for liquid is supplied to second fluid reservoir from first fluid reservoir, wherein, the second fluid reservoir pressure inside is lower than the first fluid reservoir pressure inside, and described second fluid reservoir places the downstream of first fluid reservoir with respect to liquid stream;
(ii) be used to store from second fluid reservoir or from the bath of the liquid of first and second fluid reservoirs;
(iii) be used for liquid is supplied to the liquid feeding parts of first fluid reservoir;
(iv) be used to supply gas to the gas supply member of first and second fluid reservoirs; And
(v) be used for circulating in the liquid circulation loop of the liquid of bath via first and second fluid reservoirs.
15. fluid mixing system according to claim 14, wherein, described bath links to each other via the access path that is provided with metering valve or resistance valve with second fluid reservoir, is used for smashing the bubble that the liquid that therefrom flows through produces by the pressure differential between first fluid reservoir and the bath.
16. fluid mixing system according to claim 15, wherein, described bath links to each other via the access path that is provided with metering valve or resistance valve with first fluid reservoir, is used for smashing the bubble that the liquid that therefrom flows through produces by the pressure differential between first fluid reservoir and the bath.
17. a bath fluid mixing method comprises:
Feed fluid and gas is mixed in the liquid in first fluid reservoir, described first fluid reservoir be pressure arranged and also be provided with first pressure transducer and have first pressure, described gas is supplied to first fluid reservoir from gas supply member via first valve;
Liquid is supplied to second fluid reservoir from first fluid reservoir, and gas is mixed in the liquid in second fluid reservoir, described second fluid reservoir be pressure arranged and be provided with second pressure transducer, and having second pressure that is lower than first pressure, described gas is supplied to second fluid reservoir via second valve from gas supply member; And
Liquid is supplied to the bath from second fluid reservoir or from first and second fluid reservoirs.
18. fluid mixing method according to claim 17, also comprise when respectively by the detected first fluid reservoir pressure inside of first and second pressure transducers and the second fluid reservoir pressure inside be lower than be first and second fluid reservoirs be provided with respectively pressure is set the time, by opening and closing first valve and second valve respectively, control the first fluid reservoir pressure inside and the second fluid reservoir pressure inside respectively.
19. fluid mixing method according to claim 18, wherein, the pressure controlled step comprises: described when pressure is set when being lower than by the detected first fluid reservoir pressure inside of first pressure transducer, in the given time by opening first valve begin the to increase supply air-flow of first fluid reservoir, and described when pressure is set when being lower than by the detected second fluid reservoir pressure inside of second pressure transducer, in the given time by opening second valve begin the to increase supply air-flow of second fluid reservoir.
20. fluid mixing method according to claim 19, wherein said pressure controlled step also comprises: beginning increases air-flow in described preset time before, in preset time, stop to supply with air-flow, wherein, described air-flow is increased to the degree that exceeds the air-flow before stopping to supply with air-flow in first and/or second fluid reservoir.
21. fluid mixing method according to claim 20, wherein, described pressure control also stopping repeatedly and increase air-flow, be reached for the setting pressure that first fluid reservoir is provided with, and/or stop and increasing air-flow repeatedly, be reached for the setting pressure of second fluid reservoir setting up to the second fluid reservoir pressure inside up to the first fluid reservoir pressure inside.
22. fluid mixing method according to claim 17 also is included in circulating fluid between first, second fluid reservoir and the bath.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006304660 | 2006-11-10 | ||
| JP2006304660 | 2006-11-10 | ||
| JP2007124115 | 2007-05-09 | ||
| JP2007218069 | 2007-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101176695A true CN101176695A (en) | 2008-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101860306A Pending CN101176695A (en) | 2006-11-10 | 2007-11-09 | Mixing device for tub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101176695A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401707A (en) * | 2020-11-16 | 2021-02-26 | 郑占强 | Health-preserving bathtub with massage function |
-
2007
- 2007-11-09 CN CNA2007101860306A patent/CN101176695A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401707A (en) * | 2020-11-16 | 2021-02-26 | 郑占强 | Health-preserving bathtub with massage function |
| CN112401707B (en) * | 2020-11-16 | 2022-04-15 | 淮安欣欣塑胶制品有限公司 | Health-preserving bathtub with massage function |
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Open date: 20080514 |