CN102639220A - Bubble generator - Google Patents
Bubble generator Download PDFInfo
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- CN102639220A CN102639220A CN2011800039538A CN201180003953A CN102639220A CN 102639220 A CN102639220 A CN 102639220A CN 2011800039538 A CN2011800039538 A CN 2011800039538A CN 201180003953 A CN201180003953 A CN 201180003953A CN 102639220 A CN102639220 A CN 102639220A
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- downstream side
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- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 70
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 239000012530 fluid Substances 0.000 claims description 16
- 230000003746 surface roughness Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 45
- 238000010413 gardening Methods 0.000 abstract description 8
- 238000003287 bathing Methods 0.000 abstract 1
- 239000008399 tap water Substances 0.000 abstract 1
- 235000020679 tap water Nutrition 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 18
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000005755 formation reaction Methods 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- 230000003628 erosive effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000005406 washing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000000474 nursing effect Effects 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
- E03C1/084—Jet regulators with aerating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
- B01F23/2323—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
- B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
- B01F25/31243—Eductor or eductor-type venturi, i.e. the main flow being injected through the venturi with high speed in the form of a jet
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Bathtubs, Showers, And Their Attachments (AREA)
- Nozzles (AREA)
- Domestic Plumbing Installations (AREA)
Abstract
To provide a bubble generator that is capable of generating extremely fine bubbles and is suitable for shower nozzles, for tap water faucets, for pipes to bathing chambers, water tanks, dish-washers, etc., and for sprinkler showers used in gardening. [Solution] The invention is configured from: an upstream main body (10) provided with a first flow channel (11) that narrows toward the downstream side; a flow-splitting piece (30) that is held in the first flow channel (11) and is provided with multiple liquid through holes (31); and a downstream main body (20) installed on the upstream main body (10) and provided with a second flow channel (21) that widens toward the downstream side. The downstream end of the first flow channel (11) faces the upstream end of the second flow channel (21).
Description
Technical field
The present invention relates to be installed between pressure fluid supply member and the discharge member, make the bubble generator that the liquid of discharging, produces minimum bubble from this discharge member.
Background technology
When making bubble sneak in the water of discharging through for example tap or shower nozzle, can obtain to improve cleaning performance, or bring stimulation to skin, effect such as perhaps can prevent to dabble, in patent documentation 1 or patent documentation 2 etc. by known.
Because it is in the flowing of running water, to form generation negative pressure part that the bubble that in these patent documents 1 or 2, proposed forms; And partly import extraneous air in this generation negative pressure; Therefore, size at most also is the bubble (below be called millimeter bubble or micro-bubble) of millimeter unit.If make this micro-bubble form size for the bubble of micron unit (below be called micron bubble, or minimum bubble), cleaning performances etc. just further improve, for example shown in the patent documentation 3.
Generally speaking, as the definition of " micron bubble ", do various definition according to the field difference; But, owing to be consistent aspect not comprising more than the diameter 1mm, and the bubble of diameter less than 1 μ m is called millimicron; The bubble that therefore, will have a diameter between the two is defined as micron bubble.In the present invention, the micron bubble that defines like this is called minimum bubble, the bubble more than the diameter 1mm is called micro-bubble.
The prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2010-7315 communique
Patent documentation 2: TOHKEMY 2009-274026 communique
Patent documentation 3: TOHKEMY 2009-78140 communique
Summary of the invention
Invent problem to be solved
Having proposed with " shorter time is efficiently had one's hair wash or the nursing of parts of body such as massage " in the patent documentation 3 is the scheme of " body care is used rinse water supply device " of purpose; As shown in Figure 8; Should " body care is used rinse water supply device " have following formation; " as using bubble is mixed in the rinse water in the former water and the rinse water supply device that carries out the nursing of health possesses sparge pipe 12, micro-bubble generation device and rinse water generation portion 29, water bolt and health water for cleaning and accepts portion and constitute; said sparge pipe 12 is from the supply unit of the former water ejection portion up to the rinse water of cleaning health; said micro-bubble generation device mixes, is dissolved in former water in order to make micro air bubble, is arranged at above-mentioned sparge pipe, said rinse water generation portion 29 with the micro air bubble that produces mix, the former water of dissolving from the nozzle accelerating jetting in former water; and for generate mixings, the dissolving diameter is the rinse water of the micron bubble of about 1～50 μ m; be arranged on the sparge pipe, the rinse water that said water bolt is used to be arranged at the ejection portion of above-mentioned sparge pipe sprays, and the said health water for cleaning portion of acceptance catches the rinse water of ejection ".
And; " making diameter is the micro-bubble generation device of the micron bubble generation of about 1～50 μ m " of this patent documentation 3 is shown in 0018 paragraph of the document 3; " above-mentioned microbubble generating apparatus 15 ... comprising: turbulence pump 39, this turbulence pump 39 are used to attract rinse water and the air from inflow entrance 15a supply; Motor 40, this motor 40 drives turbulence pump 39; Shearing/mixing part 41, this shearing/mixing part 41 will be mixed, stir with former water from the air that turbulence pump 39 is discharged, and makes air dissolves in former water; Gas-liquid mixed separating mechanism 42, these gas-liquid mixed separating mechanism 42 separation are contained in the air mixed dissolution liquid and undissolved gas; The air dissolves liquid that to discharge from said mechanism 42 is discharged, decompression and mechanism that micro air bubble is produced "; shown in 0010 paragraph of the document 3; " microbubble generating apparatus is for being in former water in the device that produces eddy current/shearings stirring under, is used to make the micro air bubble that becomes so-called micron bubble to mix, dissolve and preparation ".
Promptly; " microbubble generating apparatus " that is proposed in this patent documentation 3 not only has the formation of complicacy as above; And it is the device of " Jiang Yuanshui is in the device that produces eddy current/shearing under the stirring " or " making the micro air bubble that becomes micron bubble mix, dissolve " for bad judgement.
Therefore; How the inventor etc. are to obtaining to constitute simply; And not only can generate or produce micron bubble; Be minimum bubble, and be suitable for shower nozzle 200, be used for the water bolt of running water, to the pipe arrangement of bathroom and tank and table-ware washing machine, be used for the result that the bubble generator of the watering spray of gardening has carried out various researchs repeatedly, accomplished the present invention.
Promptly; As the objective of the invention is to through simple formation; Provide a kind of and can generate minimum bubble, and be suitable for shower nozzle 200, be used for the water bolt of running water, to the pipe arrangement of bathroom and tank and table-ware washing machine, be used for the bubble generator of the watering spray of gardening.
Be used to solve the method for problem
In order to solve above problem, at first, the method that related invention is adopted to the invention first aspect, employed symbol is explained in the explanation of the embodiment of stating after being attached to.That is,
" a kind of bubble generator 100; its be installed in pressure fluid supply member 210 and the discharge member 200 that will discharge from the liquid that this pressure fluid supply member 210 is supplied with between; and discharge the said liquid that member 200 discharges from this, produce minimum bubble, it is characterized in that
Constitute by upstream side main body 10, flow divider 30, downstream side main body 20; Upstream side main body 10 is provided with first stream 11 that narrows down towards downstream side; Flow divider 30 is incorporated in first stream 11 and a plurality of liquid-through holes 31 is set; Downstream side main body 20 is installed on the upstream side main body 10, and second stream 21 that broadens towards downstream side is set
And, make first stream 11 downstream side end and second stream 21 the upstream side end relatively to.”
Promptly; As shown in Figure 1, the bubble generator 100 that this invention first aspect relates to be installed on the pressure fluid supply member 210 of turncock for example and the discharge member 200 of the for example shower nozzle that will discharge through the liquid that for example first stream 11 is supplied with from this pressure fluid delivery member 210 between.In addition, this bubble generator 100 is applicable to various device, is not limited to the illustrative shower nozzle 200 of Fig. 1, also go for being used for the water bolt of running water, to the pipe arrangement of bathroom or tank and table-ware washing machine etc., be used for the watering spray of gardening etc.
Moreover following every field or equipment are used or be applicable to this bubble generator 100.
Haircut and beauty treatment, pet field of washing (can expect cleaning performance, improve deodorization)
Publilc baths field (can expect cleaning performance, improve heat insulating ability) as the micron bubble bathroom
Nursing field or nursing facility (can expect cleaning performance, improve heat insulating ability) as shower
Aquatic products processing thing field of washing (can expect cleaning performance)
Washing machine, coin-up laundry field (can expect the installation to pipe arrangement, the cleaning performance of raising clothing)
Agricultural, bakery and confectionery field (can expect that agricultural product promote cultivation, sterilization effect)
Be provided in research institutions such as university as the micron bubble generator
The cleaning shower nozzle field (can expect to improve cleaning performance) of gas station
Cosmetic field (can expect cleaning performance)
And this bubble generator 100 results from from discharge liquid such as running water that member 200 discharges or hot water minimum bubble.Therefore, the liquid that this bubble generator 100 is suitable for is not limited to shower water or rinse water, preferably produces other liquid of minimum bubble, and for example liquid fertilizer or treatment fluid etc. also can be used as object.
Extremely shown in Figure 7 like Fig. 2; Bubble generator 100 is made up of upstream side main body 10, flow divider 30 and downstream side main body 20; Wherein upstream side main body 10 is provided with first stream 11 that narrows down towards downstream side; Flow divider 30 is accommodated in first stream 11 and a plurality of liquid-through holes 31 is set, and downstream side main body 20 is installed on upstream side main body 10, and second stream 21 that broadens towards downstream side is set.In addition, this bubble generator 100 be in order will successfully to supply with in second stream 21 of downstream side main body 20 by flowing liquid in first stream 11 of upstream side main body 10, make first stream 11 downstream side end and second stream 21 the upstream side end relatively to.
Promptly; As among Fig. 5 with shown in the arrow; This bubble generator 100 supply with from the downstream side main body 20 that is positioned at the diagram downside second stream 21 during; Minimum bubble is resulted from from pressure fluid supply member 210 supply with the liquid of upstream side main body 10 sides, and, minimum bubble is sneaked into from the liquid that second stream 21 is discharged.In addition, bubble generator 100 shown in Figure 1 turns upside down with bubble generator 100 shown in Figure 5.
In this bubble generator 100, minimum bubble produces as follows.At first, supply with the liquid in the upstream side main body 10,, be expelled in first stream 11 on one side on one side through shunting in each liquid-through hole 31 that flows into flow divider 30.Because this first stream 11 narrows down towards downstream side, therefore, will be expelled to liquid compression first stream 11 on one side, send into to downstream side on one side.Because the downstream side end of this first stream 11, with the upstream side end of second stream 21 that is formed at downstream side main body 20 relatively to, therefore, liquid flows in second stream 21 from first stream 11.Because this second stream 21 broadens towards downstream side, therefore, in its downstream side end, the pressure of liquid sharply descends.
In each above stage, owing to not only be applied in various shear stresses on the liquid, and also pressurized and by open, therefore, produce cavitation erosion in the liquid.And even produce flowing of complicated shape in the bubble generator 100, not only these each power are originally as bigger; And, this utmost point short stroke in first stream 11 and second stream 21, promptly; The utmost point is in the short time, and these each power are applied in or are opened, therefore; Dissolving in gas componant in the liquid becomes bubble through cavitation erosion and occurs, and atomic little bubble is micron bubble.
According to inventor's experiment, in liquid, produce cavitation erosion through using this bubble generator 100 and can consider because following reason.When using this bubble generator 100, when the opening 11a of liquid through first stream 11 of upstream side main body 10, because the effect of rotating flow is formed centrally gas axle (vacuum shaft) in flow.On the other hand, can consider liquid from the opening 21a of downstream side main body 20 when second stream 21 is discharged, through around the wall of liquid central portion is flowed.Therefore, can consider to be introduced the liquid of gas axle side and clash, and the gas of gas axle is sheared and produces minimum bubble (micron bubble) with liquid from the radial ejection of opening 21a.
Generally speaking; The steam or the bubble that produce owing to cavitation erosion are absorbed in the liquid at short notice again; But; Because the bubble that results from the bubble generator involved in the present invention 100 is this minimum bubble of micron bubble, therefore, because surface tension etc. can not be absorbed in the liquid at short notice again.In other words, make micron bubble, promptly minimum bubble residues in from the liquid that second stream 21 is discharged, if this liquid is used as the shower water from for example shower nozzle 200, can have one's hair wash or the health cleaning with high cleaning force.
Therefore, in the related bubble generator 100 of this invention first aspect, can generate minimum bubble, and be suitable for shower nozzle 200, be used for the water bolt of running water, to the pipe arrangement of bathroom or tank and dish cleaning machine etc., be used for the watering spray of gardening.
In order to solve above-mentioned problem; The method that the related invention of invention second aspect is taked is the described bubble generator 100 of relevant foregoing invention first aspect; That is: " any surface roughness Ra at least of the bearing surface 25 of the bearing surface 15 of the upstream side main body 10 of mutual butt or downstream side main body 20 is made as 0.2～6.3, and can extraneous air be imported inner " from the fine gap of 15/25 of these bearing surface.
Illustrated in the bubble generator 100 that this invention second aspect is related as the bubble generator 100 of above-mentioned invention first aspect; Constitute by upstream side main body 10, flow divider 30 and downstream side main body 20; Wherein upstream side main body 10 is provided with first stream 11 that narrows down towards downstream side; Flow divider 30 is accommodated in first stream 11 and a plurality of liquid-through holes 31 is set, and downstream side main body 20 is installed on upstream side main body 10, and second stream 21 that broadens towards downstream side is set.And successfully supply with in second stream 21 of downstream side main body 20 for the liquid in first stream 11 that will flow in upstream side main body 10, make first stream 11 downstream side end and second stream 21 the upstream side end relatively to.
Promptly; As among Fig. 5 with shown in the arrow; In this bubble generator 100, when the liquid of supplying with upstream side main bodys 10 sides from pressure fluid supply member 210 is positioned at the diagram upper end of second stream 21 of downstream side main body 20 of diagram downside in supply, in this feed fluid, produce negative pressure.
On the other hand; Like Fig. 5 and shown in Figure 6; Owing to any surface roughness Ra at least of the bearing surface 25 of the bearing surface 15 of the upstream side main body 10 of mutual butt or downstream side main body 20 is made as 0.2～6.3, therefore, is formed with fine gap 15/25 of these bearing surface.Therefore, when the liquid of supplying with upstream side main body 10 sides was supplied with downstream side main body 20, as long as in this feed fluid, produce negative pressure, through this negative pressure, extraneous air imported the inside of this bubble generator 100 from the fine gap of 15/25 of bearing surface.
, must any surface roughness Ra of the bearing surface 25 of bearing surface of upstream side main body 100 15 or downstream side main body 20 be made as 0.2～6.3 here, it the reasons are as follows.At first; When the surface roughness Ra of the bearing surface 25 of bearing surface of upstream side main body 10 15 or downstream side main body 20 less than 0.2 the time; Not only can not carry out the importing of extraneous air because the gap of 15/25 of bearing surface is less; And, because only be that the cost cost does not have meaning to the processing of such surface roughness.On the other hand; When the surface roughness Ra of the bearing surface 25 of bearing surface of upstream side main body 10 15 or downstream side main body 20 greater than 6.3 the time; It is excessive and can carry out the importing of extraneous air simply that gap that bearing surface is 15/25 becomes; But, become the reason of " leak of liquid " of this bubble generator 100.
In addition; Surface roughness Ra must be made as 0.2～6.3rd, the bearing surface 25 of bearing surface of upstream side main body 10 15 or downstream side main body 20 at least any, be not must be two of bearing surface 25 of bearing surface 15 and the downstream side main body 20 of upstream side main body 10.But, if certainly two surface roughness Ra of the bearing surface 25 of the bearing surface 15 of upstream side main body 10 and downstream side main body 20 is made as 0.2～6.3, the control of the micro-bubble generation of just stating after carrying out easily.
So; Because import the extraneous air of the inside of bubble generator 100 is scattered in the liquid at the boundary member of upstream side main body 10 with downstream side main body 20 from the gap as 15/25 of the bearing surface of above-mentioned roughness; Therefore; Become the micro-bubble of diameter, and this micro-bubble is sneaked into from the liquid that second stream 21 of downstream side main body 20 is discharged with minimum bubble for the millimeter unit.This micro-bubble is known in for example above-mentioned patent documentation 1 or 2 etc.
Therefore; In the related bubble generator 100 of this invention second aspect; Can generate minimum bubble and micro-bubble simultaneously, be suitable for shower nozzle 200, be used for the water bolt of running water, to the pipe arrangement of bathroom or tank and dish cleaning machine etc., be used for the watering spray of gardening.
In order to solve above-mentioned problem; The method that the invention third aspect related invention is taked is relevant foregoing invention first aspect or invents the described bubble generator 100 of second aspect and do, that is: " axle center of each liquid-through hole 31 of flow divider 30 is tilted " with respect to the axle center of this flow divider 30.
Promptly; Like Fig. 4 (a) and shown in Figure 5; In the bubble generator 100 of this invention third aspect; The axle center of each liquid-through hole 31 that makes flow divider 30 is with respect to the axle center of this flow divider 30 and tilt, and thus, the power that further will be used for producing minimum bubble puts in the liquid that is flowing in each liquid-through hole 31.
When each liquid-through hole 31 and when tilting with respect to the axle center of this flow divider 30; Make axis direction flowing liquid rotation along this flow divider 30; And the revolving force conduct for this liquid is applied in along with the shear stress of going direction changing sharp; Further promote because the sectionalization of the bubble that cavitation erosion is produced, and further promote the generation of minimum bubble.
Therefore, the related bubble generator 100 of this invention third aspect is perhaps invented the same function of second aspect except performance and foregoing invention first aspect, also further promotes the generation of minimum bubble.
Moreover; In order to solve above-mentioned problem; The method that invention fourth aspect related invention is taked be relevant foregoing invention first aspect the described bubble generator 100 in arbitrary aspect does in the third aspect to inventing, that is: " formation space 40 between upstream side main body 10 and downstream side main body 20 ".
As shown in Figure 5; Bubble generator 100 of this invention fourth aspect forms space 40 between upstream side main body 10 and downstream side main body 20, and mutual relative to the upstream side end of downstream side end and second stream 21 of first stream 11 for the time being can be at these space 40 openings.Particularly, the downstream side that makes first stream 11 in this space 40 is open-ended to be the liquid that flows out from the downstream side end of this first stream 11, to produce the negative pressure by Venturi effect produced.
If the upstream side end of the downstream side end of these first streams 11 and second stream 21 is at these space 40 openings; When liquid flows out to space 40 in the downstream side end from first stream 11; Perhaps from this space 40 when flow in the upstream side end of second stream 21, receive the resistance of the constructivity of bubble generator 100 sharp, and pressure changes; Become reason for the cavitation erosion generation of this liquid, and the sectionalization of carrying out bubble more.
Therefore, the related bubble generator 100 of this invention fourth aspect except performance and foregoing invention first aspect to inventing the same function in arbitrary aspect in the third aspect, also further promote the generation of minimum bubble.
In addition; Inventing the method that the related invention in the 5th aspect adopts is that the described bubble generator 100 in relevant foregoing invention first aspect to arbitrary aspect of inventing fourth aspect does, that is: " size of opening 11a that makes the downstream side end that is positioned at first stream 11 is less than the opening 21a of the upstream side end that is positioned at second stream 21 ".
As shown in Figure 5; Invent in the bubble generator 100 aspect the 5th at this, the size of opening 11a that makes the downstream side end that is positioned at first stream 11 is less than the opening 21a of the upstream side end that is positioned at second stream 21, thus; Liquid is when the downstream side end of first stream 11 flows out to space 40; Perhaps from this space 40 when flow in the upstream side end of second stream 21, more sharp liquid is bestowed the resistance of the constructivity of bubble generator 100, and pressure changes; Become reason for the cavitation erosion generation of this liquid, and the sectionalization of carrying out bubble more.
Therefore, this invent the related bubble generator in the 5th aspect 100 except performance and foregoing invention first aspect to inventing the same function in arbitrary aspect in the fourth aspect, also further promote the generation of minimum bubble.
And; In order to solve above-mentioned problem; Invent method that the related invention in the 6th aspect takes and be relevant foregoing invention fourth aspect or invent the described bubble generator 100 in the 5th aspect and do; That is: " on upstream side main body 10 or downstream side main body 20, install have mouthfuls 51 the extraneous air of being taken into that is communicated in space 40 and be taken into member 50, and said minimum bubble and micro-bubble can be resulted from the said liquid ".
Promptly; As shown in Figure 5; This bubble generator 100 of inventing the 6th aspect is installed the extraneous air that is taken into mouth 51 with connected space 40 and is taken into member 50; This extraneous air is taken in the member 50, is communicated in space 40 if this is taken into mouth 51, also can be installed on any of upstream side main body 10 or downstream side main body 20.
Because extraneous air is taken into member 50 and is communicated in space 40 through being taken into mouth 51; And, the downstream side end of first stream 11 produces negative pressure when flowing out in this space 40 at liquid; Therefore, this bubble generator 100 negative pressure in the space 40 on function puts on this extraneous air and is taken into member 50 through being taken into mouthfuls 51.When this negative pressure put on extraneous air and is taken into member 50, extraneous air was taken into member 50 and through being taken into mouthfuls 51 extraneous air is imported in the space 40, and this extraneous air becomes micro-bubble through the flows in the space 40.
Because this bubble generator 100 self originally generates minimum bubble, therefore, this minimum bubble mixes with the micro-bubble that is formed by the extraneous air that is taken into member 50 importings through extraneous air the liquid that flows out from downstream side main body 20.
Therefore; This invents two kinds of bubbles that the related bubble generator in the 6th aspect 100 can generate minimum bubble and micro-bubble, be suitable for shower nozzle 200, be used for the water bolt of running water, to the pipe arrangement of bathroom or tank and dish cleaning machine etc., be used for the watering spray of gardening.
The invention effect
As above illustrated, in the present invention,
Have the principal character on the following formation: " a kind of bubble generator 100; its be installed in pressure fluid supply member 210 and the discharge member 200 that will discharge from the liquid that this pressure fluid delivery member 210 is supplied with between, discharge the said liquid that member 200 discharges from this, produce minimum bubble.Constitute by upstream side main body 10, flow divider 30, downstream side main body 20; Upstream side main body 10 is provided with first stream 11 that narrows down towards downstream side; Flow divider 30 setting is incorporated in first stream 11 and a plurality of liquid-through holes 31 is set; Downstream side main body 20 is installed on the upstream side main body 10, and second stream 21 that broadens towards downstream side is set.And, make first stream 11 downstream side end and second stream 21 the upstream side end relatively to ".Thus, provide a kind of and can generate minimum bubble by simply constituting, be suitable for shower nozzle 200, be used for the water bolt of running water, to the pipe arrangement of bathroom or tank and dish cleaning machine etc., be used for the bubble generator 100 of the watering spray of gardening.
Description of drawings
Fig. 1 is applicable to bubble generator involved in the present invention 100 for expression the stereogram of the state between shower nozzle 200 and the turncock 210.
Fig. 2 is the expansion stereogram with above-mentioned bubble generator 100.
Fig. 3 is the front view with above-mentioned bubble generator 100.
Fig. 4 (a) is that vertical view, (b) are upward view (minimum bubble) for representing with above-mentioned bubble generator 100.
Fig. 5 is the longitudinal sectional view with above-mentioned bubble generator 100.
Fig. 6 is for enlarging the longitudinal sectional view of a part of representing bubble generator 100 shown in Figure 5.
Fig. 7 enlarges expression to constitute the flow divider 30 with above-mentioned bubble generator 100, (a) is that front view, (b) are from last being seen stereogram (minimum bubble), (c) is from following being seen stereogram (micro-bubble).
Fig. 8 is the path profile of the technology of expression patent documentation 3.
Description of reference numerals
100 bubble generators
10 upstream side main bodys
11 first streams
The 11a opening
Put stage portion in 12 years
13 connecting portions
14 install screw
15 bearing surfaces
16 seals
20 downstream side main bodys
21 second streams
The 21a opening
23 installation portions
24 install screw
25 bearing surfaces
30 flow dividers
31 liquid-through holes
32 rectification projections
40 spaces
50 extraneous airs are taken into member
51 are taken into mouth
52 valve bodies
53 springs
54 valve seats
55 adjustment screws
200 discharge member (shower nozzle)
210 pressure fluid supply members (turncock)
220 flexible pipes
The specific embodiment
Below, describe with regard to the related invention of invention each side of illustrated 100 pairs of above-mentioned formations of bubble generator as embodiment.The bubble generator 100 of this embodiment comprises whole inventions that the foregoing invention each side is related.
Expression is connected in the lower end of shower nozzle 200 with the bubble generator that the present invention relates to 100 through its downstream side main body 20 among Fig. 1, and the upstream side main body 10 of this bubble generator 100 is connected in the state of an end of flexible pipe 220.Certainly, the other end of flexible pipe 220 is connected in turncock 210.This turncock 210 is corresponding to above-mentioned flow divider 30, and shower nozzle 200 is corresponding to above-mentioned space 40.In the present embodiment, flexible pipe 220 is connected by the connecting portion 13 of upstream side main body 10, and shower nozzle 200 is connected by the connecting portion 23 of downstream side main body 20.
Extremely shown in Figure 7 like Fig. 2; Bubble generator 100 is made up of upstream side main body 10, flow divider 30 and downstream side main body 20; Wherein upstream side main body 10 is provided with first stream 11 that narrows down towards downstream side; Flow divider 30 is accommodated in first stream 11 and a plurality of liquid-through holes 31 is set, and downstream side main body 20 is installed on upstream side 10, and second stream 21 that broadens towards downstream side is set.In addition, as shown in Figure 5, this bubble generator 100 make this first stream 11 downstream side end and second stream 21 the upstream side end relatively to.In addition, this bubble generator shown in Figure 5 100 shows as and shown in Figure 1 turning upside down.
Upstream side main body 10 interconnects through its each second stream 21 and 24 with downstream side main body 20, seal 16 is installed in this connecting portion and prevents leak of liquid.In the bubble generator 100 of this embodiment, as shown in Figure 5, when these upstream side main bodys 10 are connected with downstream side main body 20, between upstream side main body 10 and downstream side main body 20, form space 40.And the size of opening 11a of downstream side end that is positioned at first stream 11 that is formed at upstream side main body 10 is less than the opening 21a of the upstream side end that is positioned at second stream 21 that is formed at downstream side main body 20.
On the open end (upper end side of Fig. 5 first stream 11) of first stream 11 that is arranged in upstream side main body 10 part, be formed with to carry and put stage portion 12, put this year to take on the stage portion 12 and year be equipped with flow divider 30.Shown in Fig. 4 (a), this flow divider 30 is formed with a plurality of liquid-through holes 31, and these liquid-through holes 31 tilt its axle center with respect to this bubble generator 100.In addition, be formed with rectification projection 32 at the outstanding up and down of this flow divider 30, and make the laterally inclined of these rectification projections 32.This heeling condition is the heeling condition near the inner face of first stream 11, thus, in the flow that flows in first stream 11, can not form the delay part significantly.In addition, this heeling condition forms suddenly suddenly for the rectification projection 32 of downside shown in Figure 5, and is slow for rectification projection 32 formation of upside.
Like Fig. 5 and shown in Figure 6, in the related bubble generator 100 of this embodiment, any surface roughness Ra at least of the bearing surface 25 of the bearing surface 15 of the upstream side main body 10 of mutual butt or downstream side main body 20 is made as 0.2～6.3 here.For this reason, form fine space 15/25 of these bearing surface.Therefore, when the liquid that is supplied in upstream side main body 10 sides is supplied with downstream side main body 20, when producing negative pressure in this feed fluid, because this negative pressure and extraneous air imports the inside of this bubble generator 100 from the fine gap of 15/25 of bearing surface.
Like Fig. 5 and shown in Figure 6, in the bubble generator 100 of this embodiment,, be provided with the seal 16 that is used to prevent leak of liquid in inside than 15/25 of bearing surface, sealing part 16 forms anti-U font with its cross section.Sealing part 16 allows the importing from the extraneous air in the gap of 15/25 of bearing surface easily, on the contrary, prevents easily by the caused leak of liquid of hydraulic pressure from the inside of this bubble generator 100.
To shown in Figure 7, the bubble generator 100 of this embodiment possesses extraneous air and is taken into member 50 like Fig. 1.This extraneous air is taken into member 50 and is connected in downstream side main body 20 sides and as parts of gas generator 100, its inside can be communicated in the above-mentioned space 40 through it being taken into mouthfuls 51.In addition, mouthfuls 51 can be communicated in space 40, also may be embodied to and be connected in upstream side main body 10 sides if this extraneous air is taken into being taken into of member 50.
As shown in Figure 5; Extraneous air is taken into member 50 to be possessed and is accommodated in the valve body 52 that constitutes in the part be taken into mouthfuls 51 the outside and the valve seat 54 of this valve body 52 butts; On gas generator 100 sides of this valve body 52, dispose spring 53, this spring 53 always forces in the opposition side with bubble generator 100 with this valve body 52.In addition, the power that applies of this spring 53 is adjusted with valve body 52 incorporate adjustment screws 55 through protruding in the outside.Moreover this extraneous air is taken in the member 50, at valve body 52 and valve seat 54 not during butt, around adjustment screw 55, and makes outside and 40 interior connections of space.
So; If being taken into member 50, this extraneous air reduces the power that spring 53 applies through the adjustment of adjusting screw 55; Even the constant big state that can fully be taken into extraneous air that also forms of the negative pressure in the space 40; On the contrary, big if the power that applies of this spring 53 becomes, and if the constant big formation of negative pressure in the space 40 can not be taken into the state of extraneous air.Certainly, even be taken into through this extraneous air under the situation that member 50 is not taken into extraneous air, that is, the situation that micro-bubble does not produce, also through the essential structure of bubble generator 100, " minimum bubble " self also produces certainly.
In addition, this extraneous air is taken into the function that member 50 also possesses " check-valves ".That is, in first stream 11 or second stream, 21 sides, produce under the situation of abnormal pressure, because this pressure puts on valve body 52 through being taken into mouth 51, therefore, this valve body 52 prevents leak of liquid with valve seat 54 butts.
In addition, be installed on the bubble generator 100 extraneous air being taken into member 50, when perhaps assembling valve body 52 or valve seat 54, adopt seal in suitable place as required and respectively certainly.
Claims (6)
1. bubble generator, its be installed in the pressure fluid supply member and the discharge member that will discharge from the liquid that this pressure fluid supply member is supplied with between, and discharge the said liquid that member discharges from this, produce minimum bubble, it is characterized in that,
Constitute by upstream side main body, flow divider, downstream side main body; First stream that the setting of said upstream side main body narrows down towards downstream side; Said flow divider is incorporated in first stream and a plurality of liquid-through holes is set; Said downstream side main body is installed on the said upstream side main body, and second stream that broadens towards downstream side is set
And make first stream downstream side end and second stream the upstream side end relatively to.
2. bubble generator according to claim 1 is characterized in that, any surface roughness Ra at least of the bearing surface of the bearing surface of the said upstream side main body of mutual butt or said downstream side main body is made as 0.2～6.3,
And can extraneous air be imported inner from the fine gap between these bearing surfaces.
3. bubble generator according to claim 1 and 2 is characterized in that, the axle center of each liquid-through hole that makes said flow divider is with respect to the axle center of this flow divider and tilt.
4. according to each described bubble generator in the claim 1 to 3, it is characterized in that, between said upstream side main body and downstream side main body, form the space.
5. according to each described bubble generator in the claim 1 to 4, it is characterized in that the size of opening that makes the downstream side end that is positioned at said first stream is less than the opening of the upstream side end that is positioned at said second stream.
6. according to claim 4 or 5 described bubble generators; It is characterized in that; On said upstream side main body or downstream side main body, install and have the extraneous air that is taken into mouthful that is communicated in said space and be taken into member, and said minimum bubble and micro-bubble can be resulted from the said liquid.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-268009 | 2010-12-01 | ||
| JP2010268009 | 2010-12-01 | ||
| JP2011-143955 | 2011-06-29 | ||
| JP2011143955A JP4999996B2 (en) | 2010-12-01 | 2011-06-29 | Bubble generator |
| PCT/JP2011/006339 WO2012073435A1 (en) | 2010-12-01 | 2011-11-14 | Bubble generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102639220A true CN102639220A (en) | 2012-08-15 |
| CN102639220B CN102639220B (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180003953.8A Active CN102639220B (en) | 2010-12-01 | 2011-11-14 | Bubble generator |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4999996B2 (en) |
| KR (1) | KR101469208B1 (en) |
| CN (1) | CN102639220B (en) |
| WO (1) | WO2012073435A1 (en) |
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| CN113909010B (en) * | 2021-10-21 | 2024-05-28 | 厦门英仕卫浴有限公司 | Micro-nano bubble water outlet system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4999996B2 (en) | 2012-08-15 |
| CN102639220B (en) | 2014-07-02 |
| WO2012073435A1 (en) | 2012-06-07 |
| KR20130041831A (en) | 2013-04-25 |
| KR101469208B1 (en) | 2014-12-05 |
| JP2012130901A (en) | 2012-07-12 |
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