CN104667769A - Micro bubble generating device - Google Patents
Micro bubble generating device Download PDFInfo
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- CN104667769A CN104667769A CN201310630357.3A CN201310630357A CN104667769A CN 104667769 A CN104667769 A CN 104667769A CN 201310630357 A CN201310630357 A CN 201310630357A CN 104667769 A CN104667769 A CN 104667769A
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Abstract
The invention provides a micro bubble generating device which can be miniaturized through the reduction of the overall length and can generate enough micro bubbles. The micro bubble generating device (20) is provided with an air bubble formation device which can realize air suction through flowing liquid and can form air bubbles in the liquid, an air suction part (21) is provided with an air guiding flow path (24), multiple segmented flowing liquid paths (25) with venturi structures, and an aeration flowing path (26) which is used for communicating the air guiding flow path (24) and the multiple segmented flowing liquid paths (25) and used for distribution, wherein the segmented flowing liquid paths (25) are arranged in a side-by-side liquid flowing manner.
Description
Technical field
The present invention relates to and a kind ofly attract gas to generate the micro-bubble generation device of micro air bubble thus in a liquid by logical liquid.
Background technology
As the micro-bubble generation device being attracted gas also to generate micro air bubble in a liquid by logical liquid, be known to the device of the logical fluid path adopting Venturi tube structure.
Such as, at patent document 1(Japanese Laid-Open 2011-245406 publication) in, arrange at liquid flow path and stream is imported to the air of atmosphere opening, after having attracted air when logical liquid from air importing path, what make liquid pass through to be arranged side by side many Venturi tubes crushes nozzle, carry out thus crushing to make bubble granular, and then make it suppress the disorder of liquid stream by multiple web plate and suppress bubble incorporation to be integrated.
According to this patent document 1, record the liquid that can generate the micro air bubble comprising the bubble diameter with 0.1 μm to 1000 μm.In addition, also record, with patent document 2(Japanese Laid-Open 2008-149038 publication) described in gas pressurized is dissolved in a liquid and generates in stream compared with the device of micro air bubble, the device of patent document 1 can realize miniaturization.
Summary of the invention
(inventing the problem that will solve)
But, as described in patent document 1, which, in the micro-bubble generation device that have employed Venturi tube, concentrate at the liquid flow path of upstream side and attract after gas, make it iterate through to crush nozzle and web plate by bubble miniaturization.Therefore, must configure at many levels along flow direction and crush nozzle or web plate, cause complex structure and the entire length of device is elongated.
And in the device that patent document 1 is recorded, owing to being compared to upstream side, in downstream, Venturi tube diminishes, and quantity and configuration scope increase, and therefore, the bubble formed is supplied equably many Venturi tubes in downstream and be not easy at upstream side.Therefore, the amount of bubble of granular deviation can be there is by each Venturi tube.Consequently, the growing amount of micro air bubble is unbalanced, and the growing amount of entirety micro air bubble tails off.
For this reason, even if the object of the present invention is to provide one to make entire length shorten to realize miniaturization, the micro-bubble generation device of the micro air bubble of q.s can still be generated.
(means of dealing with problems)
Micro-bubble generation device of the present invention to achieve these goals possesses and can carry out air-breathing by logical liquid and form the inspiratory component of bubble in a liquid, and this inspiratory component comprises: gas imports stream, fluid path is led in multiple segmentations with Venturi tube structure of arranging in the mode making liquid flow abreast and be communicated with gas imports point adapted vent flow path that stream and multiple segmentation lead to fluid path.
The described segmentation with Venturi tube structure lead to fluid path have be configured at upstream side and sectional area along the diminishing reduction section of flow direction and be configured at downstream and the expansion section that expands gradually along flow direction of sectional area, preferably, be greater than the sectional area of the end of downstream side of described reduction section by the sectional area of the upstream-side-end making described expansion section, between this reduction section and expansion section, form step thus.In this case, preferably, described point of adapted vent flow path is at described expansion section opening.
Preferably, micro-bubble generation device has mesh members, and this mesh members has multiple fine opening, and passes through for the liquid and bubble leading to fluid path outflow from multiple segmentation.When having multiple mesh members, also multiple mesh members can be configured in the mode be separated from each other.
(effect of invention)
According to micro-bubble generation device of the present invention, lead to fluid path by arranging multiple segmentation at inspiratory component liquid is flowed abreast, gas can be directed into each segmentation thus and lead to fluid path, therefore, it is possible to make the contraction in length of inspiratory component streamwise.Thus, shortening from the entire length of upstream side up to downstream of micro-bubble generation device can be made to realize miniaturization.
Adopt the present invention, because fluid path is led in the segmentation being provided with multiple Venturi tube structure, can stream be imported from gas and divide an adapted vent flow path that gas is attracted to each segmentation and lead to fluid path, therefore, it is possible to lead to fluid path in each multiple segmentation to form bubble fully, and more micro air bubble can be generated.
Consequently, can provide one that entire length is shortened and realize miniaturization, and the micro-bubble generation device of enough micro air bubbles can be generated.
Accompanying drawing explanation
Fig. 1 is the stereogram of the structure for water tap representing the micro-bubble generation device having installed the 1st embodiment.
Fig. 2 is the sectional view of the spitting unit of the tap accessory representing the 1st embodiment.
Fig. 3 is the sectional view near the valve of the structure for water tap representing the 1st embodiment.
Fig. 4 (a) is an amplification stereogram part for the inspiratory component of the 1st embodiment represented with section, and Fig. 4 (b) is an amplification stereogram part for the dividing body of this inspiratory component represented with section.
Fig. 5 is the decomposition front view of the shower nozzle representing the micro-bubble generation device having installed the 2nd embodiment.
Fig. 6 is the sectional view of the micro-bubble generation device representing the 2nd embodiment.
Fig. 7 is the partial sectional view of the shower nozzle representing the micro-bubble generation device having installed the 3rd embodiment.
Fig. 8 is the sectional view of the variation that inspiratory component is described.
Fig. 9 is the sectional view of other variation that inspiratory component is described.
Figure 10 is the sectional view of other variation further illustrating inspiratory component.
Description of reference numerals
11 tap accessories
12 feed pipes
13 valves
14 switches
16 discharge openings
16a water-discharge portion
17 logical fluid path
17a leads to liquid chamber
18 resettlement sections
18a pressing component
20,30,40 micro-bubble generation devices
21 inspiratory components
21a, 21b dividing body
21c mosaic process
21d is fitted together to recess
22 mesh members
22a frame
23 gas introduction tubes
23a suction inlet
24 gases import stream
24a imports room
24b embedded hole
The logical fluid path of 25 segmentation
25a inflow entrance
25b flow export
25c reduction section
25d expansion section
26 points of adapted vent flow path
26a groove portion
27 jogs
28 gaps
31 spray hose
32 connecting members
33 shower nozzles
33a spues hole
35 sleeve pipes
36 resettlement sections
36a pressing component
51 chimeric pipes
52 relief portion
Detailed description of the invention
Accompanying drawing is below used to be described embodiments of the present invention.
(the 1st embodiment)
Present embodiment is for being applied to the example of structure for water tap of kitchen sales counter (Kitchen Counter), dressing table etc. of washing one's face and rinsing one's mouth by micro-bubble generation device of the present invention.
As shown in Figure 1, in this structure for water tap, be configured with tap accessory 11 near tank or washbowl, the feed pipe 12 from not shown supply equipment pipe arrangement is connected to tap accessory 11.The valve 13 can closing logical fluid path is provided with at tap accessory 11 or feed pipe 12.In this embodiment, the magnetic valve that can be operated by the switch 14 being arranged on tap accessory 11 is arranged on feed pipe 12.
As shown in Figures 2 and 3, micro-bubble generation device 20 is installed on tap accessory 11 and feed pipe 12.This device has: the inspiratory component 21 being configured at the water-discharge portion 16a of discharge opening 16; Be configured at the mesh members 22 in the downstream of the inspiratory component 21 of water-discharge portion 16a; And being configured in the gas introduction tube 23 of the logical fluid path 17 than inspiratory component 21 upstream, this gas introduction tube 23 is for importing inspiratory component 21 from outside by gas.
(inspiratory component)
Inspiratory component 21 is when logical liquid, is imported by gas and form the parts of bubble in a liquid from outside.As Fig. 2 and Fig. 4 (a), 4(b) shown in, this inspiratory component 21 has: gas importing stream 24, multiple segmentation with venturi (Venturi) structure lead to point adapted vent flow path 26 that fluid path 25 and connection gas importing stream 24 and multiple segmentation lead to fluid path 25.In order to inspiratory component 21 being accommodated in the resettlement section 18 of the water-discharge portion 16a being arranged at discharge opening 16, inspiratory component 21 is formed as the shape corresponding with resettlement section 18.This inspiratory component 21 is formed as that both ends of the surface are slightly smooth, lateral circle surface is rounded cylindrical in cross section.In addition, this inspiratory component is also formed as the axial length flat pattern shorter than radical length.
Under the state that inspiratory component 21 has been installed in discharge opening 16, inspiratory component 21 is pressed parts 18a and is fixed in resettlement section 18 together with mesh members 22, and the circumference of inspiratory component 21 is clamped in liquid-tight mode.
Owing to being provided with the logical liquid chamber 17a that sectional area compared with the logical fluid path 17 of upstream increases near the water-discharge portion 16a of discharge opening 16, therefore, the end face of inspiratory component 21 is made to be configured in the mode adjoined on a large scale with logical liquid chamber 17a.
Gas importing stream 24 is formed round the axle of inspiratory component 21.It is that the gas from gas introduction tube 23 is imported inspiratory component 21 that gas imports stream 24, and dispenses a gas onto a point space for adapted vent flow path 26.Gas introduction tube 23 is arbitrary structure with the syndeton of inspiratory component 21.Also gas introduction tube 23 can be inserted the inside of inspiratory component 21.In the present embodiment, gas imports stream 24 to be had: importing room 24a, and it is arranged in inspiratory component 21; Embedded hole 24b, it is communicated with importing room 24a and supplied gas ingress pipe 23 is chimeric in a gas tight manner; And jog 27, the position that the bottom surface importing room 24a is being left in end of itself and gas introduction tube 23 abuts against.
It is separated and the logical fluid path making it pass through abreast by the liquid of the logical fluid path 17 from upstream that fluid path 25 is led in multiple segmentations of inspiratory component 21.Each segmentation is led to fluid path 25 and is arranged in the mode of through inspiratory component 21, offers inflow entrance 25a and offers flow export 25b in downstream respectively at upstream side.
Each segmentation is led to fluid path 25 and is had Venturi tube structure respectively.As long as obtain attracting the flow velocity of gas and the structure of negative pressure under the logical liquid status of Venturi tube structure when using structure for water tap.With regard to this Venturi tube structure, preferably, be minimum mode to make the sectional area orthogonal with the flow direction of liquid at mid portion, be provided with sectional area in inflow entrance 25a side along the diminishing reduction section 25c of flow direction, and be provided with sectional area along the expansion section 25d that flow direction expands gradually in flow export 25b side.
Each segmentation is led to fluid path 25 and is formed as its cross sectional shape orthogonal with flow direction and is formed as circular over the entire length.In the present embodiment, the axis of the logical fluid path 25 of each segmentation is mutually almost parallel.Therefore, it is possible to reduce the flow resistance that each segmentation leads to fluid path 25.In addition, the logical fluid path 25 of each segmentation by the 1st imaginary circle that is equally spaced configured in centered by the axle of inspiratory component 21 circumferentially.Here be configure with the interval of 45 degree.The deviation of leading to the liquid of flowing in fluid path 25 in each segmentation can be prevented thus, generate micro air bubble equably therefore, it is possible to lead in fluid path 25 in each segmentation.
In addition, as shown in Figure 4, also can logical fluid path 25 be split in circumferentially configuration being concentrically ringed, different with the 1st imaginary circle diameter the 2nd imaginary circle from the 1st imaginary circle.In this case, preferably, fluid path 25 equiangularly interval configuration is led in the segmentation that the segmentation being configured in the 1st imaginary circle is led to fluid path 25 and is configured in the 2nd imaginary circle.2nd imaginary diameter of a circle is set at the segmentation be configured in the 1st imaginary circle and leads to fluid path 25 and the segmentation be configured in the 2nd imaginary circle and lead in the scope that fluid path 25 can not be crossing.
The tapering of expansion section and reduction section that fluid path 25 is led in each segmentation is all identically formed.In addition, the axis of the logical fluid path 25 of each segmentation is formed in the mode be parallel to each other.The flow velocity approximate equality of leading to the liquid that fluid path 25 flows abreast in each segmentation can be made thus, the attraction of gas can be made impartial.Each segmentation is led to the mode that fluid path 25 also can be configured to the distance between axis little by little be expanded or reduces and is mutually tilted.In addition, the tapering of the tapering of each expansion section and each reduction section also can be made different.
Point adapted vent flow path 26 of inspiratory component 21 is for being assigned to importing gas that stream 24 imports from gas the vent flow path that each segmentation leads to fluid path 25.
The end that each point of adapted vent flow path 26 is formed as side gas import stream 24 opening and the end of opposite side at the linearly stream of 1 logical fluid path 25 opening of segmentation.As long as the end of point adapted vent flow path 26 side is at gas importing stream 24 opening and the end of opposite side leads to fluid path 25 opening 1 segmentation, also can be polyline shaped, curvilinear stream.In addition, the end of the opposite side that also can be an end import stream 24 opening at gas and be branched leads to the mode of fluid path 25 opening respectively in other segmentation.
The size of each opening of point adapted vent flow path 26 and position are formed on and gas can be imported stream 24 from gas and import to each segmentation and lead in the scope of fluid path 25.
When the opening dividing the segmentation of adapted vent flow path 26 to lead to fluid path 25 side is excessive, the bubble leading to fluid path 25 formation in each segmentation easily becomes large, therefore, preferably, the area of opening can be formed to lead to the sectional area of fluid path than the segmentation at the position being provided with this opening little.On the other hand, when the too small openings of fluid path 25 side is led in the segmentation of point adapted vent flow path 26, the growing amount of bubble is low.
Preferably, the opening that fluid path 25 side is led in the segmentation of adapted vent flow path 26 is divided to be arranged on the position that can obtain stronger attraction.Such as, the sectional area orthogonal with the flow direction of liquid when mid portion be minimum segmentation lead to fluid path 25, preferably, by described opening being that the mode of minimum mid portion is arranged on downstream near sectional area.
As shown in Fig. 4 (a), Fig. 4 (b), the inspiratory component 21 of present embodiment comprises multiple dividing body 21a, 21b of configuring in the mode adjoined each other along flow direction.
The face in opposite directions of multiple dividing body 21a, 21b can be close to each other mutually.In this face in opposite directions, be provided with the mosaic process 21c and chimeric recess 21d that can mutually be fitted together to.By making mosaic process 21c and chimeric recess 21d chimeric and being close to, the dividing body 21a of side and the dividing body 21b of opposite side is combined as a whole in the position in opposite directions of regulation.
At the dividing body 21a of a side, be provided with the embedded hole 24b of bellmouth for the formation of multiple reduction section 25c and gas introduction tube 23.At the dividing body 21b of the opposing party, be provided with and import the importing room 24a of stream 24 and the self-conductance 24a that enters the room for the formation of the bellmouth of multiple expansion section 25d, gas and radially extend to the groove portion 26a of each bellmouth.In the surrounding of the bottom surface of importing room 24a, be provided with the jog 27 of end face and the multiple groove portion 26a comprising dividing body 21b.
According to such multiple dividing body 21a, 21b, by making mosaic process 21c and chimeric recess 21d chimeric and making dividing body 21a, 21b be close to each other, thus the bellmouth of the bellmouth of reduction section 25c and expansion section 25d is combined in coaxial mode and form the logical fluid path 25 of segmentation, and form a point adapted vent flow path 26 by the upper opening that dividing body 21a blocks each groove portion 26a.That is, near the upstream-side-end of the expansion section 25d of the logical fluid path 25 of segmentation, point adapted vent flow path 26 opening.
(gas introduction tube)
Gas introduction tube 23 is vent flow path of the gas importing stream 24 for gas being imported inspiratory component 21.As shown in FIG. 2 and 3, this gas introduction tube 23 is incorporated in the discharge opening 16 of logical fluid path 17 and the inside of feed pipe 12 that form upstream.In this gas introduction tube 23, end and the gas of a side import stream 24 and are connected, the suction inlet 23a of the end of the opposing party with in the downstream of valve 13 towards the outside of feed pipe 12 with the mode opening be communicated with air.Also at the suction inlet 23a of gas introduction tube 23, the inlet valve, filter etc. with check function can be installed.
(mesh members)
As shown in Figure 2, mesh members 22 is configured in the downstream of inspiratory component 21 and the parts that pass through of the liquid flowed out for Self inhaling parts 21 and bubble.This mesh members 22, by making to lead to the liquid of fluid path 25 from multiple segmentation and bubble passes through, can make bubble splitting reduce bubble diameter further.Mesh members 22 is wire nettings of mesh-like, is suitable for selecting mesh to be that the wire netting of 0.01mm to 0.02mm uses.
In the present embodiment, as mesh members 22, the frame 22a being used in the ring-type adopting elastomeric material to make maintains the parts of the wire netting that cancellate stainless steel is made.Mesh members 22 can configure 1 layer, also can superpose ground configuring multi-layer.Mesh members can be formed as twill weave (Twilled Weave) shape, twill Dutch knits (Twilled Dutch Weave) shape etc., also can use the wire netting of stainless steel.
Mesh members 22 is incorporated in the resettlement section 18 of the water-discharge portion 16a of discharge opening 16 together with inspiratory component 21, clamps circumference by pressing component 18a in liquid-tight mode.In the mounted state, the mode that mesh members 22 is intersected by the flow direction of face and liquid and bubble with it is configured, and the downstream of inspiratory component 21 entirety is covered.
Inspiratory component 21 and and the immediate mesh members 22 of inspiratory component 21 between, be provided with gap 28, multiple segmentation leads to the flow export 25b of fluid path 25 to configure with this aspectant mode in gap 28.Gap 28 be formed as making from multiple segmentation lead to liquid that fluid path 25 flows out and bubble enter the end face of inspiratory component 21 and mesh members 22 by between face.Therefore, leading to liquid that fluid path 25 flows out and bubble from each segmentation is not mesh members 22 by the area corresponding with the flow export 25b of the logical fluid path 25 of segmentation, but whole described liquid and the bubble of making of mesh members can be utilized on a large scale to pass through.
When producing mesh members 22 of distortion because of elastic deformation or expansion etc., even if it is preferred that distortion also can keep the state by being separated between face of the end face of inspiratory component 21 and mesh members 22.
When this gap 28 is excessive, the entire length of micro-bubble generation device 20 will be elongated.The end face of inspiratory component 21 and the gap 28 passed through between face of mesh members 22 are below 10mm, preferred below 5mm.
Adopting in multiple mesh members 22 situation, to make to lead to from multiple segmentation liquid that fluid path 25 flows out and bubble is configured to good by the mode of multiple mesh members 22 successively.That is, make each mesh members 22 by mask have intersect with the flow direction of liquid and bubble towards, and the mutually different position be configured on the flow direction of liquid and bubble is good by each mesh members 22.
Like this, after the mesh members 22 by upstream side makes bubble miniaturization, when bubble be attached to each other and by large footpath, again can be divided and miniaturization by the mesh members 22 in downstream.
When adopting multiple mesh members 22, preferably, multiple mesh members 22 is configured in spaced mode.This is because when being contacted each other by face of multiple mesh members 22, under the impact of the wettability and surface tension etc. of contact portion, liquid holdup is between multiple mesh members 22, and bubble cannot pass through.
(action)
Then, the method using micro-bubble generation device 20 to generate micro air bubble is described.
First, utilize switch 14 pairs of valves 13 of tap accessory 11 to operate, make the liquid from supply equipment pipe arrangement flow into the logical fluid path 17 of the upstream in feed pipe 12 and discharge opening 16, and be supplied to inspiratory component 21.
At inspiratory component 21, liquid stream is divided and flow to multiple segmentations with Venturi tube structure abreast and lead to fluid path 25.Lead to fluid path 25 in each segmentation and produce attraction, and attract extraneous gas from the suction inlet 23a of the gas introduction tube 23 of opening near the valve 13 of feed pipe 12.The gas attracted imports stream 24 via gas introduction tube 23 and gas and is assigned to multiple points of adapted vent flow path 26.Gas after being assigned with attracted in the liquid of flowing in the logical fluid path 25 of segmentation, forms a large amount of bubbles containing micro air bubble, and flows out from flow export 25b together with liquid.
The liquid flowed out from each flow export 25b and bubble flow into the gap 28 between inspiratory component 21 and mesh members 22, and are supplied to mesh members 22.This liquid and bubble, by mesh members 22, make the large bubble splitting of bubble diameter thus and are micronized.Therefore, the liquid containing a large amount of micro air bubble is spued from the water-discharge portion 16a of discharge opening 16.
At the micro air bubble formed thus containing in liquid, be the micro air bubble (micro bubble) of 0.1 μm to 1000 μm containing a large amount of such as mean air bubble diameter.The gonorrhoea state containing liquid of this micro air bubble is measured in the following manner.Coin is being sunk to the tank that plane is 150mm × 350mm, and inject until the depth of water be the micro air bubble of about 250mm containing after liquid, detect and whether be formed as such liquid, namely when from top view, can maintain gonorrhoea to can't see coin degree state more than 60 seconds, the liquid that is suspended micro air bubble.
(action effect of present embodiment)
According to micro-bubble generation device 20 as above, lead to fluid path 25 by arranging multiple segmentation at inspiratory component 21 liquid is flowed abreast, gas can be imported each segmentation and lead to fluid path 25.Therefore, it is possible to shorten the length of streamwise of inspiratory component 21, and the entire length that can shorten micro-bubble generation device 20 is to realize miniaturization.
In embodiments of the present invention, be provided with multiple segmentation with Venturi tube structure and lead to fluid path 25, and import stream 24 and a point adapted vent flow path 26 from gas and gas is directed into each segmentation leads to fluid path 25.Therefore, lead in fluid path 25 in multiple segmentation and all can generate more micro air bubble.
And, in the present embodiment, be communicated with gas by a point adapted vent flow path 26 and import stream 24 and fluid path 25 is led in multiple segmentation, lead to fluid path 25 by multiple segmentation all gas to be imported, therefore, no matter the number of the logical fluid path 25 of segmentation how, gas collection can both be imported gas and imports stream 24.Therefore, it is possible to simplified in the path being used for importing gas, and micro-bubble generation device can be made to be easy to manufacture, also be easy to arrange.
Further, all can import stream 24 from gas due to fluid path 25 can be led to by each segmentation gas is imported, therefore, it is possible to multiple segmentation is led in large scope that fluid path 25 is distributed on the direction that intersects at the flow direction with liquid.Therefore, it is possible in each position on the direction intersected with flow direction of the outlet of micro-bubble generation device 20, the amount of bubble is increased, and the deviation of the bubble amount between each position can be made to reduce.
In this micro-bubble generation device 20, possesses multiple mesh members 22, the plurality of mesh members 22 has multiple fine openings and passes through for the liquid and bubble that lead to fluid path 25 outflow from multiple segmentation, and each mesh members 22 is configured in the mode be separated from each other in the flowing direction.Therefore, multiple mesh members 22 is not in contact with each other.Therefore, there is not fluid retention and the situation hindering bubble to pass through, the increase of flow resistance can be prevented.Further, can guarantee larger mesh members 22 by area, and the situation that the discharge that can prevent a part of micro air bubble on the face of mesh members 22 is low.
In addition, by multiple mesh members 22 is configured in the mode be separated from each other in the flowing direction, by the mesh members 22 of upstream side by after bubble miniaturization, even if bubble again adheres to and maximizes, also reliably can make bubble splitting by the mesh members 22 in downstream, more micro air bubble can be generated.
According to this micro-bubble generation device 20, inspiratory component 21 and and the immediate mesh members 22 of inspiratory component 21 between be provided with gap 28, multiple segmentation leads to the flow export 25b of fluid path 25 with mode opening aspectant with gap 28.Therefore, leading to liquid that fluid path 25 flows out and bubble from each segmentation is not mesh members 22 by the area corresponding with the flow export 25b of the logical fluid path 25 of segmentation, but whole described liquid and the bubble of making of mesh members can be utilized on a large scale to pass through.Therefore, it is possible to be reduced by resistance and make multiple segmentation lead to the pressure loss approximate equality of fluid path 25.Thereby, it is possible to prevent following situation: be difficult to lead to fluid path 25 by the segmentation of a part and imported by gas, or the liquid of flowing in the logical fluid path 25 of segmentation is to the situation of point adapted vent flow path 26 adverse current.
According to this micro-bubble generation device 20, multiple dividing body 21a that the mode that inspiratory component 21 has to adjoin each other in the flowing direction configures, point adapted vent flow path 26 is arranged on the part in opposite directions of multiple dividing body 21a.Therefore, it is possible to form a point adapted vent flow path 26 in the end face side of dividing body 21a.
According to this micro-bubble generation device 20, the area of the opening of point adapted vent flow path 26 of the internal face setting of fluid path 25 is led in the multiple segmentation of formation, the sectional area being provided with the position of opening of fluid path 25 more logical than segmentation is less, therefore, it is possible to lead to fluid path 25 in each segmentation to form less bubble.
According to this micro-bubble generation device 20, import stream 24 to make the end of the side of gas introduction tube 23 and gas and to be connected and the mode that the end of opposite side is communicated with air configures gas introduction tube 23.Therefore, it is possible to air is led to the gas collection of fluid path 25 as being directed to multiple segmentations and importing by gas introduction tube 23, can make to simplify the structure.
And the formation upstream being arranged on the downstream of valve 13 due to this gas introduction tube 23 leads to the discharge opening 16 of fluid path and the inside of feed pipe 12, therefore, it is possible to improve the exterior quality of discharge opening 16.In addition, be configured with the suction inlet of gas introduction tube 23 at the position be separated from water-discharge portion 16a, therefore, it is possible to prevent the liquid spued to be imported into inspiratory component 21, form more bubble.
(the 2nd embodiment)
2nd embodiment is example micro-bubble generation device being arranged on shower bath.
As shown in Figures 5 and 6, in this shower bath, via connecting member 32, the end of shower nozzle 33 with shower hose 31 is connected.The micro-bubble generation device 30 of present embodiment be configured in be provided with multiple hole 33a that spues between nozzle body 33b and connecting member 32.
Micro-bubble generation device 30 is arranged on the sleeve pipe 35 of the substantially cylindrical shape that can be threaded with shower nozzle main body 33b and connecting member 32 respectively.The inside of sleeve pipe 35 is provided with logical liquid chamber 17a and resettlement section 36, is accommodated with the inspiratory component 21 identical with the 1st embodiment and mesh members 22 in resettlement section 36.Inspiratory component 21 and mesh members 22 are fixed by the pressing component 36a be connected with the internal whorl of sleeve pipe 35.In the stationary state, the edge of inspiratory component 21 and mesh members 22 is clamped between the edge of resettlement section 36 and pressing component 18a in liquid-tight mode.
In addition, gas introduction tube 23 is connected to the gas importing stream 24 of inspiratory component 21 and is incorporated in sleeve pipe 35.Gas introduction tube 23 is connected with the hole of the side perisporium with through sleeve pipe 35 and the mode be communicated with extraneous gas from face is configured.
In addition, all identical with the 1st embodiment.
In the 2nd embodiment, the liquid containing micro air bubble can be sprayed from multiple holes that spue of shower nozzle 33, and the action effect identical with the 1st embodiment can be obtained.
(the 3rd embodiment)
3rd embodiment is example micro-bubble generation device being arranged on shower bath.
As shown in Figure 7, in shower bath, micro-bubble generation device 40 is installed on the front end of shower nozzle 33.In this embodiment, without the need to installing mesh members 22, adopting the segmentation of inspiratory component 21 to lead to fluid path 25 and forming multiple hole 33a that spues.
In the drawings, although eliminate the detailed diagram of gas introduction tube 23, gas introduction tube 23 can from a part for shower nozzle 33 externally opening, and in the logical fluid path 17 being incorporated in upstream and in upstream side gas openings towards the outside.
In addition, identical with the 1st embodiment.
In the 3rd embodiment, a large amount of bubble being included in the micro air bubble that the logical fluid path 25 of segmentation generates is injected together with liquid.Even if in this embodiment situation, the effect identical with the 1st embodiment and the 2nd embodiment except the effect that also can obtain the miniaturization except producing based on mesh members 22.
Utilize this structure, can be common by the parts and micro-bubble generation device 40 forming multiple hole 33a that spue of shower bath, the parts number of packages of the shower bath that can spray micro air bubble can be reduced, therefore, it is possible to make structure simplify.
(variation)
Above-mentioned 1st to the 3rd embodiment can suitably change within the scope of the invention.
The respective embodiments described above are examples micro-bubble generation device being installed to the guttation structure such as discharge opening 16 or shower nozzle 33, but mounting object is not particularly limited, and also can be other through-liquid structure body.Also can be such as that supply contains the such structure of alveolate hot water in bath.
Supply to liquid and the gas of micro-bubble generation device, be not defined as the example such as running water and air, various selection can be had.Such as liquid, also can be store other liquid such as water, waste water, hot water, solution, dispersion liquid, as gas, also can be other gases such as oxygen, carbon dioxide, nitrogen.
In the respective embodiments described above, import at the gas of inspiratory component 21 the embedded hole 24b that stream 24 is provided with gas introduction tube 23, but as shown in Figure 8, also the chimeric pipe 51 being fitted to the inside of gas introduction tube 23 can be set at inspiratory component 21.
In the inspiratory component 20 shown in Fig. 8, compared with the end of the bellmouth of the reduction section 25c of the dividing body 21a of formation upstream side, the end forming the bellmouth of the expansion section 25d of the dividing body 21b in downstream is formed larger, when making dividing body 21a and dividing body 21b is close to, step will be formed between reduction section 25c and expansion section 25d.And, by making point adapted vent flow path 26 opening at the expansion section 25d with reduction section 25c adjoining position, attraction during logical liquid can be made thus to improve.
In the respective embodiments described above, gap 28 between inspiratory component 21 and mesh members 22 also can not adopt the frame 22a of mesh members 22 to be formed, as shown in Figure 9, but by inspiratory component 21 downstream-side end surface arrange form gap 28 from the relief portion 52 that periphery is recessed.In this case, also mesh members 22 directly can be engaged with the periphery of end face.
In addition, as shown in Figure 10, also step 29 can be set between the reduction section 25c of upstream side and the expansion section 25d in downstream, at the downstream configuration mesh parts 22 of inspiratory component 21.
As shown in Figure 10, when liquid flows into this micro-bubble generation device 20, because bubble diameter greatly and is not trapped in gap 28 by the bubble B of mesh members 22.On the other hand, owing to peeling off (layer separation) at step 29 liquid stream from wall generating layer, therefore, form negative pressure region S at the side surface side of expansion section 25d, and produce whirlpool at this negative pressure region S.Therefore, the bubble B being trapped in the diameter in gap 28 large can be inhaled into this whirlpool and be divided, and becomes micro air bubble.In addition, because point adapted vent flow path 26 is at expansion section 25d opening, therefore, it is possible to supply more gas to negative pressure region S.Therefore, it is possible to be expected to generate more micro air bubble.
The structure of dividing adapted vent flow path 26 and gas to import stream 24 etc. is not limited to above-mentioned embodiment.Such as, groove portion 26a can be set respectively at multiple dividing body 21a, 21b, or also can replace groove portion 26a and other concaveconvex shape or other shape are set, form point adapted vent flow path 26 thus or gas imports stream 24.
In the respective embodiments described above, gas introduction tube 23 is arranged at the upstream side of inspiratory component 21, but also gas introduction tube 23 can be arranged at the downstream of inspiratory component 21.
Claims (5)
1. a micro-bubble generation device, is characterized in that, described micro-bubble generation device possesses and can carry out air-breathing by logical liquid and form the inspiratory component of bubble in a liquid,
Described inspiratory component comprises: lead to fluid path with the multiple segmentations with Venturi tube structure making the mode that described liquid flows abreast arrange, gas imports stream and be communicated with described gas and import point adapted vent flow path that stream and described multiple segmentation lead to fluid path.
2. micro-bubble generation device as claimed in claim 1, it is characterized in that, the described segmentation with Venturi tube structure lead to fluid path have be configured at upstream side and sectional area along the diminishing reduction section of flow direction and be configured at downstream and the expansion section that expands gradually along flow direction of sectional area, be greater than the sectional area of the end of downstream side of described reduction section by the sectional area of the upstream-side-end making described expansion section, between described reduction section and described expansion section, form step.
3. micro-bubble generation device as claimed in claim 2, it is characterized in that, described point of adapted vent flow path is at described expansion section opening.
4. micro-bubble generation device as claimed any one in claims 1 to 3, it is characterized in that, the downstream leading to fluid path in described multiple segmentation is provided with mesh members.
5. micro-bubble generation device as claimed in claim 4, it is characterized in that, described mesh members is provided with multiple, and described multiple mesh members is configured in the mode be separated from each other.
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| CN201310630357.3A CN104667769A (en) | 2013-11-29 | 2013-11-29 | Micro bubble generating device |
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| CN201310630357.3A CN104667769A (en) | 2013-11-29 | 2013-11-29 | Micro bubble generating device |
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| CN104667769A true CN104667769A (en) | 2015-06-03 |
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| CN108745012A (en) * | 2018-06-14 | 2018-11-06 | 四川大学 | It is a kind of can modular combination miniature venturi type bubble generator |
| JP2019025460A (en) * | 2017-08-03 | 2019-02-21 | 東芝ライフスタイル株式会社 | Water supply device |
| CN109424018A (en) * | 2017-08-22 | 2019-03-05 | 阮庆源 | Micro-bubble generator |
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| JP2021504133A (en) * | 2017-08-22 | 2021-02-15 | 阮 慶源JUAN, Ching−yuan | Micro bubble generator |
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| CN108745012A (en) * | 2018-06-14 | 2018-11-06 | 四川大学 | It is a kind of can modular combination miniature venturi type bubble generator |
| CN108745012B (en) * | 2018-06-14 | 2021-04-20 | 四川大学 | But miniature venturi type bubble generating device of modularization combination |
| CN111343891A (en) * | 2018-07-20 | 2020-06-26 | 株式会社科学 | Spray head |
| CN111206381A (en) * | 2018-11-21 | 2020-05-29 | 无锡小天鹅电器有限公司 | Cavitation piece of microbubble generator, microbubble generator and clothing processing apparatus |
| CN113396011A (en) * | 2019-03-20 | 2021-09-14 | 株式会社村田制作所 | Bubble generating device |
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| JP2021166977A (en) * | 2020-04-13 | 2021-10-21 | 正典 大坪 | Fine bubble generation mechanism for jetting object washing, and swirl flow position adjustment method |
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Application publication date: 20150603 |