CN201862522U - Fluidic oscillator - Google Patents
Fluidic oscillator Download PDFInfo
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- CN201862522U CN201862522U CN2010202808636U CN201020280863U CN201862522U CN 201862522 U CN201862522 U CN 201862522U CN 2010202808636 U CN2010202808636 U CN 2010202808636U CN 201020280863 U CN201020280863 U CN 201020280863U CN 201862522 U CN201862522 U CN 201862522U
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Abstract
The utility model provides a fluidic oscillator which is provided with at least one oscillation flow path. The oscillation flow path comprises an internal interaction cavity, a jet flow inlet and a jet flow outlet, wherein the jet flow inlet is communicated with the internal interaction cavity and used for allowing fluid to pass through to enter; the jet flow outlet is communicated with the internal interaction cavity and used for allowing the fluid passing through the internal interaction cavity to pass through to generate a jet flow; at least one turbulent flow passage is further formed on the fluidic oscillator; the turbulent flow passage is used for leading the fluid into the internal interaction cavity of the oscillation flow path, and particularly leading the fluid to enter from a lengthways wall inside the internal interaction cavity, the fluid from the jet flow inlet of the oscillation flow path can interact with the fluid from the turbulent flow passage to generate a turbulence effect after passing through the internal interaction cavity, so as to ensure that the fluid flowing out from the jet flow outlet of the oscillation flow path becomes a normal oscillation jet flow, and solve the problem that a conventional fluidic oscillator of small size can not operate normally.
Description
Technical field
The utility model relates to a kind of fluidic oscillator, more particularly, is meant that especially a kind of existing fluidic oscillator dwindles 1/3 to 2/3 volume, but still can forms the fluidic oscillator of normal vibration jet flow.
Background technology
In the prior art, deflection liquid sprays fluidic oscillator because of it passes through circularly, thereby provide the ability of liquid spray pattern on a large scale, be well-known, as a kind of fluidic oscillator embodiment that is disclosed among the patent documentation US4151955, comprise an interaction chamber or oscillation chamber, this interaction chamber comprises an inlet, one outlet, and one be positioned at retardance body or the island that this chamber is triangular shape, this retardance body can be in the inner vortex channel (vortex street) that forms of this oscillation chamber, when fluid when inlet enters chamber, can produce strong and weak alternately changing in this vortex channel that blocks body two sides, and after the outlet outflow, can form the circulation vibration a fluid stream that transversely scans back and forth.
Above-mentioned circulation vibration a fluid stream, certain degree ground depend on this inlet, the size dimension that exports relative retardance body and shape, this blocker and the clearance space between exporting, the scope of this outlet, and the Reynolds number of this a fluid stream etc.According to these factors, can flow out a fluid stream or the liquid droplets of various different water flow modes from this outlet.
From the above, by changing quantity, shape and the position of retardance body, can produce the vortex channel or the fluid path of various different types, thereby create different flow patterns and drop spray characteristic.A kind of fluidic oscillator embodiment that is disclosed as patent documentation US4052002, promptly utilize two retardance bodies in chamber, form the interaction zone that is positioned between the two and the control channel of two sides, and form the power jet (powernozzle) that a sectional area is gradually-reducing shape in the porch, make fluid be quickened to enter in the chamber.
Have now and comprise above-mentioned fluidic oscillator, be widely used on the various fields product, such as the cleaning device that is used for shower, tap, sprinkling truck or windshield, head lamp and rear seat windscreen, and hand-held, trigger injector and various industrial all kinds injection apparatus, disclose the many fluidic devices that comprise fluidic oscillator as patent documentation US7014131, can be applicable to the cleaning of windshield.Patent documentation WO2007/044354 discloses a kind of capsule that is packaged with fluidic oscillator, can be used in shower head and the occasion for the health spray application.
Because the downsizing of many jet flows or injection apparatus, the size of existing fluidic oscillator can't be suitable for, and downsizing thereupon, must will have fluidic oscillator especially now dwindles 1/3 to 2/3 volume, and the side meets the demand of miniaturization; Therefore, finding through behind many experiment tests, to have the volume-diminished of fluidic oscillator merely now, particularly dwindle 1/3 after owing to allow the fluid turnover and the cross section of fluid channel that passes through is long-pending is significantly dwindled, therefore, its flow also decreases, and causes under the situation that is short of power, and can't produce above-mentioned vortex effect, certainly, also just can't produce normal vibration jet flow effect; Therefore, how to solve existing fluidic oscillator downsizing after, still can normally operate, truly have its necessity.
The utility model content
The utility model main purpose is to provide a kind of fluidic oscillator, can dwindle under the situation of 1/3 to 2/3 volume compared to existing fluidic oscillator, still can produce normal vibration jet flow, and therefore can be applied to more widely on various jet flows or the injection apparatus.
For reaching above-mentioned purpose, the utility model provides a kind of fluidic oscillator, has at least one vibration stream, and described vibration stream comprises that one is positioned at inner interaction chamber; One jet flow inlet is communicated in this interaction chamber, can enter thus for fluid; The outlet of one jet flow is communicated in this interaction chamber, can pass through to produce jet flow thus for the fluid by this interaction chamber;
At least one flow-disturbing passage, can with fluid in above-mentioned interaction chamber two relative vertical wall walls one of them import the flow-disturbing effect that produces in this interaction chamber, force the fluid that flows out from above-mentioned jet flow outlet to be formed the jet flow of vibrating.
Be vertically arranged with two described vibration streams in the described fluidic oscillator, above-mentioned flow-disturbing passage is positioned at described vibration stream and shares each other within the walls one of vertical wall; This flow-disturbing passage has and can enter the mouth for the flow-disturbing that fluid enters thus, and can guide the outlet of two flow-disturbings in the interaction chamber that branches to each Relative Oscillation stream with the fluid that enters in this flow-disturbing passage respectively.
Be vertically arranged with two described vibration streams in the described fluidic oscillator, described flow-disturbing passage lays respectively at the vertical wall in the described vibration stream outside within the walls; Described flow-disturbing passage respectively has the flow-disturbing inlet that can enter thus for fluid, and can be with the flow-disturbing outlet that enters in the interaction chamber that fluid in this flow-disturbing passage is directed to each Relative Oscillation stream.
Be provided with an above-mentioned vibration stream in the described fluidic oscillator, described flow-disturbing passage is positioned at described vibration stream one vertical wall within the walls; Described flow-disturbing passage has the flow-disturbing inlet that can enter thus for fluid, and a flow-disturbing that enters in the interaction chamber that fluid in this flow-disturbing passage is directed to this vibration stream can be exported.
Described fluidic oscillator also comprises a flow-disturbing amount control device, can enter fluid flow in this interaction chamber via above-mentioned flow-disturbing passage for regulating control.
Adopted fluidic oscillator of the present utility model, owing to be provided with at least one flow-disturbing passage, fluid can be directed in the interaction chamber of internal oscillator stream, therefore, can make the fluid that comes from vibration stream jet flow inlet the time by this interaction chamber, can influence each other with the fluid that comes from this flow-disturbing passage and produce the flow-disturbing effect, see through such flow-disturbing effect, can in the interaction chamber, form the required vortex effect of vibration jet flow, and then guarantee from the fluid of vibration stream jet flow outlet outflow, normal vibration jet flow can be formed, and the problem that existing small size fluidic oscillator can't normal operation can be effectively solved.
Description of drawings
Fig. 1 is the fluidic oscillator stereo appearance figure of the utility model first embodiment;
Fig. 2 is the horizontal three-dimensional cutaway view of fluidic oscillator of the utility model first embodiment;
Fig. 3 is the fluidic oscillator longitudinal stereoscopic cutaway view of the utility model first embodiment;
Fig. 4 is the fluid flow state schematic diagram that the fluidic oscillator of the utility model first embodiment forms the vibration jet flow;
Fig. 5 is the fluid flow state schematic diagram of respectively vibrate in the fluidic oscillator of the utility model first embodiment runner and flow-disturbing passage;
Fig. 6 is the fluidic oscillator outward appearance constitutional diagram of the utility model second embodiment;
Fig. 7 is the fluidic oscillator three-dimensional exploded view of the utility model second embodiment;
Fig. 8 is the fluidic oscillator outward appearance constitutional diagram of the utility model the 3rd embodiment;
Fig. 9 is the fluidic oscillator three-dimensional exploded view of the utility model the 3rd embodiment;
Figure 10 is the fluidic oscillator stereo appearance figure of the utility model the 4th embodiment;
Figure 11 is the fluidic oscillator longitudinal sectional view of the utility model the 4th embodiment, and demonstrates the fluid flow state of a vibration stream and a flow-disturbing passage;
Figure 12 is the fluidic oscillator longitudinal sectional view of the utility model the 5th embodiment, and demonstrates the fluid flow state of two vibration streams and two flow-disturbing passages;
Figure 13 is the fluidic oscillator longitudinal sectional view of the utility model the 6th embodiment, and shows the flow-disturbing amount control device of an adjustable throttle amount;
Figure 14 is the horizontal three-dimensional cutaway view of fluidic oscillator of the utility model the 7th embodiment, and shows two avris that two outlets of isolating mutually are positioned at middle jet flow outlet;
Figure 15 is the fluidic oscillator transverse sectional view of the utility model the 7th embodiment.
[primary clustering symbol description]
1 fluidic oscillator 1a fluidic oscillator
1b fluidic oscillator 1c fluidic oscillator
1d fluidic oscillator 1e fluidic oscillator
The 1f fluidic oscillator
10 vibration streams
101 bodies, 102 cover plates
103 bodies, 104 outside shell blocks
105 install tank 11 interaction chambers
111 vertical wall wall 112 vertical wall walls
The enter the mouth 13 jet flows outlet of 12 jet flows
14 flow-disturbing passages, 141 flow-disturbings inlet
142 flow-disturbings outlet, 15 retardance bodies
152 outlets of 151 control channels
20 flow-disturbing amount control devices
21 tune 22 choked flow positions, position
The specific embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figures 1 to 3, the utility model provides a kind of first embodiment of fluidic oscillator, this fluidic oscillator 1 respectively is symmetrically arranged with a vibration stream 10 roughly with known identical at its vertical first half and Lower Half, and described vibration stream 10 comprises an interaction chamber 11; One jet flow inlet 12 is communicated in this interaction chamber 11, can enter thus for fluid; One jet flow outlet 13 is communicated in this interaction chamber 11, can pass through to produce jet flow thus for the fluid by this interaction chamber 11; The main improvement of present embodiment fluidic oscillator 1 is:
One flow-disturbing passage 14, be set in shared vertical wall wall 111 of 11 of above-mentioned vibration streams, and have and to enter the mouth 141 for the flow-disturbing that fluid enters thus, and can guide the two flow-disturbings outlet 142 that branches in each Relative Oscillation stream 10 inner interaction chamber 11 with the fluids that enter in this flow-disturbing passage 14 respectively; The flow-disturbing passage 14 of present embodiment includes one along axially extended channel part, and two longitudinal hole parts that are communicated in this channel part, and above-mentioned flow-disturbing inlet 141 is to be formed at this channel part to be positioned at axial medial extremity place, and above-mentioned flow-disturbing outlet 142 and the place of connection of described interaction chamber 11 are positioned at the middle part of this interaction chamber 11.
Present embodiment is by above-mentioned flow-disturbing passage 14, the fluid guiding can be entered in the above-mentioned interaction chamber 11, shown in Fig. 4,5, make it produce the flow-disturbing effect, force the vibration jet flow that is produced the circulation beat from the fluid of above-mentioned jet flow outlet 13 outflows with the 12 fluid reciprocal effects that flow in interaction chambers 11 that enter the mouth from each vibration stream 10 jet flow.
Respectively the vibrate interaction chamber 11 of stream 10 of present embodiment is formed by two symmetrical retardance body 15 zone lines, and described two retardance body 15 2 avris respectively have a control channel 151, because described two retardance bodies 15 belong to common known structure, non-the utility model primary structure feature is so give unnecessary details in this few institute.
Shown in Fig. 6,7, the fluidic oscillator 1a of the utility model second embodiment is roughly identical with first embodiment, its difference only is: the fluidic oscillator 1 of above-mentioned first embodiment is the integral type structure, the fluidic oscillator 1a of present embodiment then is made up of three members, it comprises that one forms the body 101 of this fluidic oscillator 1a major part, and two cover plates 102 that are incorporated into these body 101 vertical upper and lower sides respectively; Wherein, this cover plate 102 can by above-mentioned package assembly design, will help specific machining manufacture in order to form vertical wall wall 112 that the stream 10 inner interaction chambers 11 that respectively vibrate are positioned at vertical outside especially, therefore, the still non-technology emphasis of the present utility model of this assembled configuration.
Shown in Fig. 8,9, the fluidic oscillator 1b of the utility model the 3rd embodiment is roughly identical with second embodiment, its difference only is: the fluidic oscillator 1a of above-mentioned second embodiment is made up of three members, the fluidic oscillator 1b of present embodiment then is made up of two members, it comprises that one forms the body 103 of this fluidic oscillator 1a major part, and an outside shell block 104; These outside shell block 104 inside are formed with one tank 105 are installed, in can being contained in for these body 103 installations; Wherein, this outside shell block 104 especially can be in order to form vertical wall wall 112 that the stream 10 inner interaction chambers 11 that respectively vibrate are positioned at vertical outside; Therefore, it is consideration that this package assembly design is still with the convenient processing and manufacture, same non-technology emphasis of the present utility model.
Shown in Figure 10,11, the fluidic oscillator 1c of the utility model the 4th embodiment is roughly identical with first embodiment, its difference only is: the fluidic oscillator 1c of present embodiment only is provided with single vibration stream 10, therefore, this flow-disturbing passage 14 is to be set in vertical wall wall 112 of these vibration stream 11 vertical bottom sides; Certainly, also can be set in vertical wall wall 112 of these vibration stream 11 vertical top sides.
As shown in figure 12, the fluidic oscillator 1d of the utility model the 5th embodiment is roughly identical with first embodiment, its difference only is: the fluidic oscillator 1d of present embodiment is respectively arranged with an above-mentioned flow-disturbing passage 14 in vertical wall wall 112 in its two vibration stream 10 outsides, make the interaction chamber 11 of each vibration stream 10 all have a relative flow-disturbing passage 14 can provide its internal flow by the time required flow-disturbing effect.
As shown in figure 13, the fluidic oscillator 1e of the utility model the 6th embodiment is roughly identical with first embodiment, its difference only is: the fluidic oscillator 1e of present embodiment also is provided with a flow-disturbing amount control device 20 in the axial outside of flow-disturbing passage 14, can enter fluid flow in this interaction chamber 11 via above-mentioned flow-disturbing passage 14 in order to regulate control, the flow-disturbing amount control device 20 of present embodiment is the screw assembly of a screw shaped, can be screwed together in this fluidic oscillator, its outside is formed with one and tunes position 21, and the inboard is formed with a choked flow position 22; This choked flow position 22 can tune the rotation control at position 21 along with this, telescopically pass in and out in this flow-disturbing passage 14, in order to regulate the sectional area size that allows fluid to pass through thus in this flow-disturbing passage 14, particularly allow fluid partly to enter the sectional area size of its longitudinal hole part from the axial passage of this flow-disturbing passage 14 in order to regulate control.
Flow-disturbing amount control device 20 of the present utility model is not limited to the form of above-mentioned screw assembly, also can be other any forms that can regulate flow, in principle, change control enters this interaction chamber 11 from flow-disturbing passage 14 fluid flow as long as be available for users to operate the adjusting back, all meet creation spirit of the present utility model, certainly, this flow-disturbing amount control device 20 also is applicable in the fluidic oscillator of above-mentioned other embodiment.
Shown in Figure 14,15, the fluidic oscillator 1f of the utility model the 6th embodiment is roughly identical with first embodiment, its difference only is: the fluidic oscillator 1f inside of present embodiment can be extended to outermost in order to two retardance body 15 axial outboard ends that form interaction chamber 11, make control channel 151 ends in described retardance body 15 outsides, can form outlets 152 of isolating mutually with above-mentioned jet flow outlet 13 respectively, utilize such outlet 152 designs, the oscillation amplitude of vibration jet flow in the middle of can improving; Since whether form the outlet 152 of mutual isolation, little for the influence of the utility model vibration jet flow, so non-primary structure feature of the present utility model is given unnecessary details in this also few institute.
Fluidic oscillator of the present utility model, above-mentioned various enforcement aspect can be arranged, can find that by above-mentioned enforcement aspect technology of the present utility model focuses on being provided with at least one flow-disturbing passage 14, the fluid guiding is entered in the interaction chamber 11 of one or more vibration stream 10, make it produce the vortex effect with the fluid interaction that enters in this interaction chamber 11 from jet flow inlet 12, that is be used for producing vibration jet flow required vortex effect by flow-disturbing, and then guarantee undersized fluidic oscillator, after particularly will having fluidic oscillator now and dwindling 1/3 to 2/3 volume, still can produce the jet flow of tool oscillating characteristic.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. a fluidic oscillator has at least one vibration stream, and described vibration stream comprises that one is positioned at inner interaction chamber; One jet flow inlet is communicated in described interaction chamber, enters thus for fluid; The outlet of one jet flow is communicated in described interaction chamber, passes through to produce jet flow thus for the fluid by described interaction chamber; It is characterized in that:
Described fluidic oscillator also has at least one flow-disturbing passage, with fluid in described interaction chamber two relative vertical wall walls one of them import and produce a flow-disturbing in the described interaction chamber, force the fluid that flows out from described jet flow outlet to be formed the jet flow of vibrating.
2. fluidic oscillator as claimed in claim 1 is characterized in that: described vibration stream is two, vertically is arranged in the described fluidic oscillator, and described flow-disturbing passage is one, is positioned at described vibration stream and shares vertical wall within the walls mutually; Described flow-disturbing passage has the flow-disturbing inlet that enters thus for fluid, and the fluid that will enter respectively in the described flow-disturbing passage is guided the outlet of two flow-disturbings in the interaction chamber that branches to each Relative Oscillation stream.
3. fluidic oscillator as claimed in claim 1 is characterized in that: described vibration stream is two, vertically is arranged in the described fluidic oscillator, and described flow-disturbing passage is two, lays respectively at the vertical wall in the described vibration stream outside within the walls; Described flow-disturbing passage respectively has the flow-disturbing inlet that can enter thus for fluid, and can be with the flow-disturbing outlet that enters in the interaction chamber that fluid in the described flow-disturbing passage is directed to each Relative Oscillation stream.
4. fluidic oscillator as claimed in claim 1 is characterized in that: described vibration stream is one, and described flow-disturbing passage is one, and is positioned at described vibration stream one vertical wall within the walls; Described flow-disturbing passage has the flow-disturbing inlet that can enter thus for fluid, and can be with the flow-disturbing outlet that enters in the interaction chamber that fluid in the described flow-disturbing passage is directed to described vibration stream.
5. fluidic oscillator as claimed in claim 1 is characterized in that: described interaction chamber is to be formed by two symmetrical retardance body zone lines, and described retardance body avris respectively is provided with a control channel.
6. fluidic oscillator as claimed in claim 1 is characterized in that: described flow-disturbing passage and the place of connection of interaction chamber are positioned at the middle part of described interaction chamber.
7. fluidic oscillator as claimed in claim 1 is characterized in that: described fluidic oscillator also comprises one for regulating control enters the fluid flow in the described interaction chamber via described flow-disturbing passage flow-disturbing amount control device.
8. fluidic oscillator as claimed in claim 7 is characterized in that: described flow-disturbing amount control device is one to be screwed together in the screw assembly in the described fluidic oscillator, and described flow-disturbing amount control device has one and tunes a position and a choked flow position; Described choked flow position telescopically passes in and out in the described flow-disturbing passage along with the described rotation control that tunes the position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202808636U CN201862522U (en) | 2010-07-27 | 2010-07-27 | Fluidic oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202808636U CN201862522U (en) | 2010-07-27 | 2010-07-27 | Fluidic oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201862522U true CN201862522U (en) | 2011-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202808636U Expired - Fee Related CN201862522U (en) | 2010-07-27 | 2010-07-27 | Fluidic oscillator |
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| Country | Link |
|---|---|
| CN (1) | CN201862522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376205A (en) * | 2020-11-30 | 2021-02-19 | 无锡小天鹅电器有限公司 | Water supply control method, workbench assembly and washing machine |
-
2010
- 2010-07-27 CN CN2010202808636U patent/CN201862522U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376205A (en) * | 2020-11-30 | 2021-02-19 | 无锡小天鹅电器有限公司 | Water supply control method, workbench assembly and washing machine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN CHENGLIN INDUSTRY CO., LTD. Free format text: FORMER OWNER: SHENZHEN GLOBE UNION INDUSTRIAL CORP. Effective date: 20140113 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518103 SHENZHEN, GUANGDONG PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140113 Address after: 518000 Fushan Industrial Zone, Qiaotou community, Fuyong street, Shenzhen, Guangdong, Baoan District Patentee after: SHENZHEN GLOBE UNION INDUSTRIAL CORP. Address before: Baoan District Fuyong town Shenzhen city Guangdong province 518103 Bridge Village liyuanlu Chenglin Industrial Park Patentee before: Shenzhen Globe Union Industrial Corp. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20170727 |
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| CF01 | Termination of patent right due to non-payment of annual fee |