CN107013439A - A kind of minisize fluid conveying device based on piezoelectricity air pump - Google Patents
A kind of minisize fluid conveying device based on piezoelectricity air pump Download PDFInfo
- Publication number
- CN107013439A CN107013439A CN201710275572.4A CN201710275572A CN107013439A CN 107013439 A CN107013439 A CN 107013439A CN 201710275572 A CN201710275572 A CN 201710275572A CN 107013439 A CN107013439 A CN 107013439A
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- CN
- China
- Prior art keywords
- air pump
- piezoelectricity
- conveying device
- hollow cavity
- gas leakage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/1046—Combination of in- and outlet valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/0009—Special features
- F04B43/0054—Special features particularities of the flexible members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/0009—Special features
- F04B43/0081—Special features systems, control, safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
- F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
- F04B45/047—Pumps having electric drive
Abstract
The present invention relates to a kind of fluid delivery system, more particularly to a kind of minisize fluid conveying device based on piezoelectricity air pump, including housing, hollow cavity is provided with housing, shell one end, which is provided with, is used for the piezoelectricity air pump to hollow cavity insufflation gas, the flexible reservoir for being used for storing liquid is provided with housing, flexible reservoir includes rubber stopper and the utricule being connected on rubber stopper, rubber stopper is arranged on one end away from piezoelectricity air pump on housing, utricule is placed in hollow cavity, conveying device also includes liquid-transport pipe-line, liquid-transport pipe-line front end is provided with transfusion needle, transfusion needle is penetrated to utricule from rubber stopper, switching valve is provided between piezoelectricity air pump and hollow cavity, the piezoelectricity air pump internal rift fluid contact of the present invention, need not be according to the variety exchanging pump of liquid, it is cost-effective, the structure of switching valve itself can be achieved with the conversion of air inlet and gas leakage, extra drive device is not needed, energy consumption is low, save the energy.
Description
Technical field
The present invention relates to a kind of fluid delivery system, more particularly to a kind of minisize fluid conveying dress based on piezoelectricity air pump
Put.
Background technology
Traditional device for output of liquid is come out Liquid extracting using pump, and pump and liquid are directly contacted in this case, right
Pump produces the influence such as corrosion, meanwhile, different liquid can not use same pump, it is necessary to change pump, and cost is high.
The content of the invention
Replacing is needed in order to solve the liquid transporting apparatus pump present in prior art, the high defect of cost, the present invention is carried
For a kind of cost-effective minisize fluid conveying device based on piezoelectric pump.
The technical solution adopted for the present invention to solve the technical problems is：
Hollow cavity is provided with a kind of minisize fluid conveying device based on piezoelectricity air pump, including housing, described housing,
Described shell one end, which is provided with, is used for the piezoelectricity air pump to hollow cavity insufflation gas, and being provided with described housing is used to store liquid
The flexible reservoir of body, the utricule that described flexible reservoir includes rubber stopper and is connected on rubber stopper, described rubber stopper
One end away from piezoelectricity air pump on housing is arranged on, described utricule is placed in hollow cavity, and described conveying device also includes
Liquid-transport pipe-line, described liquid-transport pipe-line front end is provided with transfusion needle, and described transfusion needle is penetrated to utricule from rubber stopper.
Further, be provided with switching valve between described piezoelectricity air pump and hollow cavity, described switching valve be provided with
The piezoelectricity pump steam inlet that is communicated with piezoelectricity air pump, the blowing mouth communicated with hollow cavity and for by the gas leakage mouthful of gas leakage,
Switching mechanism is provided with described switching valve, blowing mouth is connected by described transformational structure with piezoelectricity pump steam inlet or gas leakage mouthful.
Further, flexible sheet is provided with the middle of described switching valve, described piezoelectricity pump steam inlet and gas leakage mouthful are respectively
Positioned at the both sides of flexible sheet, described blowing mouth and gas leakage mouthful are positioned at the same side of flexible sheet, and described flexible sheet will
The valve pocket of switching valve is separated into inlet chamber and the gas leakage chamber close to gas leakage mouthful close to piezoelectricity pump steam inlet, described inlet chamber
Raised provided with first, described gas leakage intracavitary is raised provided with second, and the second described projection is logical provided with what is communicated with leakage hole
Hole, described flexible sheet original state with first it is raised and second it is raised be close to, described flexible sheet is with first
The part that projection is close to is provided with passage.
It is preferred that, described first is raised just to blowing mouth, and the second described projection is just to piezoelectricity pump steam inlet.
Further, it is provided with check valve inside described liquid-transport pipe-line.
Further, the cavity wall of described hollow cavity is provided with baroceptor, and described piezoelectricity air pump is connected with control
Signal is transmitted to controller by device processed, described baroceptor.
Beneficial effect：
(1) piezoelectricity air pump internal rift fluid of the invention contact, it is not necessary to according to the variety exchanging pump of liquid, save into
This；
(2) structure of switching valve itself can be achieved with the conversion of air inlet and gas leakage, it is not necessary to extra drive device, energy consumption
It is low, save the energy；
(3) extruding force can be preset according to user's request by controller and form feedback control by baroceptor
System, control is accurate.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of the minisize fluid conveying device based on piezoelectricity air pump of the present invention；
Fig. 2 is the structural representation of the switching valve of the present invention；
Fig. 3 is structural representation of the switching valve of the present invention under air-suction state；
Fig. 4 is structural representation of the switching valve of the present invention under gas leakage state..
Wherein, 1, housing, 11, hollow cavity, 2, piezoelectricity air pump, 3, flexible reservoir, 31, rubber stopper, 32, utricule, 4,
Liquid-transport pipe-line, 41, transfusion needle, 5, switching valve, 51, piezoelectricity pump steam inlet, 52, blowing mouth, 53, gas leakage mouthful, 54, flexible sheet,
541st, passage, 55, inlet chamber, 56, gas leakage chamber, 57, first is raised, and 58, second is raised, and 581, through hole, 6, baroceptor.
Embodiment
Such as Fig. 1~2, a kind of minisize fluid conveying device based on piezoelectricity air pump, including housing 1, housing 1 are interior provided with hollow
Inner chamber 11, the one end of housing 1, which is provided with to be used to be provided with the piezoelectricity air pump 2 to the insufflation gas of hollow cavity 11, housing 1, to be used to store liquid
The flexible reservoir 3 of body, flexible reservoir 3 includes rubber stopper 31 and the utricule 32 being connected on rubber stopper 31, and rubber stopper 31 is set
One end away from piezoelectricity air pump 2 on housing 1 is put, utricule 32 is placed in hollow cavity 11, and conveying device also includes liquid-transport pipe-line
4, the front end of liquid-transport pipe-line 4 is provided with transfusion needle 41, and transfusion needle 41 is penetrated to utricule 32 from rubber stopper 31.
Switching valve 5 is provided between piezoelectricity air pump 2 and hollow cavity 11, switching valve 5 is provided with the pressure communicated with piezoelectricity air pump 2
Electric pump air inlet 51, the blowing mouth 52 communicated with hollow cavity 11 and for by the gas leakage mouthfuls 53 of gas leakage, being set in switching valve 5
There is switching mechanism, blowing mouth 52 is connected by transformational structure with piezoelectricity pump steam inlet 51 or gas leakage mouthful 53.
Flexible sheet 54 is provided with the middle of switching valve 5, piezoelectricity pump steam inlet 51 and gas leakage mouthful 53 are located at flexible sheet 54 respectively
Both sides, blowing mouth 52 and gas leakage mouthfuls 53 is located at the same side of flexible sheet 54, and flexible sheet 54 separates the valve pocket of switching valve 5
It is raised that first is provided with into the inlet chamber 55 close to piezoelectricity pump steam inlet 51 and the gas leakage chamber 56 close to gas leakage mouthful 53, in inlet chamber 55
57, in the present embodiment, the first projection 57 is provided with the second projection 58, the present embodiment, second just to blowing mouth 52 in gas leakage chamber 56
Projection 58 is just to electric pump air inlet 51, and the second projection 58 is provided with the through hole 581 communicated with leakage hole, flexible sheet 54 and first
The projection 58 of projection 57 and second is close to, and flexible sheet 54 is in the part being close in original state with the first projection 57 provided with ventilation
Hole 541.
The inside of liquid-transport pipe-line 4 is provided with check valve.If the internal diameter very little of transfusion needle 41, flow control work itself can be played
With, it is aobvious to install flow control pipe additional if flow control effect is not clear, or install the check valve with precompressed additional, prevent fluid from oozing out naturally.
The cavity wall of hollow cavity 11 is provided with baroceptor 6, and piezoelectricity air pump 2 is connected with controller, and baroceptor 6 will
Signal is transmitted to controller.Extruding force can be preset according to user's request by controller and be formed instead by baroceptor 6
Feedback control, reaches the purpose of accurate control extruding force.
The course of work：
Such as Fig. 3, when needing output fluid, piezoelectricity air pump 2 works, and gas enters switching valve from piezoelectricity pump steam inlet 51
In 5, the pressure rise of inlet chamber 55, flexible sheet 54 is attached in the second projection 58 and departs from the first projection 57, and gas is by ventilation
Hole 541 and blowing mouth 52 are entered in hollow cavity 11, and utricule 32 is extruded, so as to realize that liquid is exported；
Such as Fig. 4, when that need not export fluid, piezoelectricity air pump 2 is stopped, and the middle pressure of itself of hollow cavity 11 makes bullet
Property diaphragm 54 be attached in the first projection 57 and depart from from the second projection 58, such passage 541 is just plugged, the He of blowing mouth 52
Gas leakage mouthful 53 is communicated, and realizes gas leakage.
It should be appreciated that specific embodiment described above is only used for explaining the present invention, it is not intended to limit the present invention.By
Among the obvious changes or variations that the spirit of the present invention is extended out is still in protection scope of the present invention.
Claims (6)
1. a kind of minisize fluid conveying device based on piezoelectricity air pump, it is characterised in that:Including housing (1), described housing (1)
Interior to be provided with hollow cavity (11), described housing (1) one end, which is provided with, is used for the piezoelectricity air pump to hollow cavity (11) insufflation gas
(2) the flexible reservoir (3) for being used for storing liquid, is provided with described housing (1), described flexible reservoir (3) includes rubber
Plug (31) and the utricule (32) being connected on rubber stopper (31), described rubber stopper (31) are arranged on housing (1) away from pressure
One end of electrical pump (2), described utricule (32) is placed in hollow cavity (11), and described conveying device also includes liquid-transport pipe-line
(4), described liquid-transport pipe-line (4) front end is provided with transfusion needle (41), and described transfusion needle (41) is penetrated to capsule from rubber stopper (31)
In body (32).
2. a kind of minisize fluid conveying device based on piezoelectricity air pump according to claim 1, it is characterised in that:Described
Switching valve (5) is provided between piezoelectricity air pump (2) and hollow cavity (11), described switching valve (5) is provided with and piezoelectricity air pump (2)
The piezoelectricity pump steam inlet (51) that communicates, the blowing mouth (52) communicated with hollow cavity (11) and for by the gas leakage mouthful of gas leakage
(53), it is provided with switching mechanism in described switching valve (5), described transformational structure is by blowing mouth (52) and piezoelectricity pump steam inlet
Or gas leakage mouthful (53) connection (51).
3. a kind of minisize fluid conveying device based on piezoelectricity air pump according to claim 2, it is characterised in that:Described
Flexible sheet (54) is provided with the middle of switching valve (5), described piezoelectricity pump steam inlet (51) and gas leakage mouthful (53) are located at elasticity respectively
The both sides of diaphragm (54), described blowing mouth (52) and gas leakage mouthful (53) are located at the same side of flexible sheet (54), described bullet
Property diaphragm (54) valve pocket of switching valve (5) is separated into close to the inlet chamber (55) of piezoelectricity pump steam inlet (51) and close to gas leakage mouthful
(53) provided with first raised (57) in gas leakage chamber (56), described inlet chamber (55), provided with the in described gas leakage chamber (56)
Two raised (58), second described raised (58) are provided with the through hole (581) communicated with leakage hole, described flexible sheet (54)
Be close to first raised (57) and second raised (58) in original state, described flexible sheet (54) with the first projection
(57) part being close to is provided with passage (541).
4. a kind of minisize fluid conveying device based on piezoelectricity air pump according to claim 3, it is characterised in that:Described
First raised (57) are just to blowing mouth (52), and second described raised (58) are just to piezoelectricity pump steam inlet (51).
5. a kind of minisize fluid conveying device based on piezoelectricity air pump according to claim 1, it is characterised in that:Described
Check valve is provided with inside liquid-transport pipe-line (4).
6. a kind of minisize fluid conveying device based on piezoelectricity air pump according to claim 1, it is characterised in that:Described
The cavity wall of hollow cavity (11) is provided with baroceptor (6), and described piezoelectricity air pump (2) is connected with controller, described gas
Signal is transmitted to controller by pressure sensor (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710275572.4A CN107013439B (en) | 2017-04-25 | 2017-04-25 | miniature fluid conveying device based on piezoelectric air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710275572.4A CN107013439B (en) | 2017-04-25 | 2017-04-25 | miniature fluid conveying device based on piezoelectric air pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107013439A true CN107013439A (en) | 2017-08-04 |
| CN107013439B CN107013439B (en) | 2019-12-10 |
Family
ID=59448488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710275572.4A Active CN107013439B (en) | 2017-04-25 | 2017-04-25 | miniature fluid conveying device based on piezoelectric air pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107013439B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695561A (en) * | 2018-03-15 | 2019-04-30 | 常州威图流体科技有限公司 | A kind of miniature antiseep fluid delivery system |
| WO2019148962A1 (en) * | 2018-02-02 | 2019-08-08 | 常州市派腾电子技术服务有限公司 | Liquid supply device and electronic cigarette |
| CN110584201A (en) * | 2018-06-12 | 2019-12-20 | 常州市派腾电子技术服务有限公司 | Liquid supply assembly, power supply device and electronic cigarette |
| US20210178108A1 (en) * | 2018-08-29 | 2021-06-17 | Murata Manufacturing Co., Ltd. | Humidification apparatus and humidification and blowing apparatus for respiratory organs including the same |
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| US5558639A (en) * | 1993-06-10 | 1996-09-24 | Gangemi; Ronald J. | Ambulatory patient infusion apparatus |
| CN201510595U (en) * | 2009-03-05 | 2010-06-23 | 王�锋 | Pressure portable multifunctional safety transfusion system |
| CN202154914U (en) * | 2011-06-29 | 2012-03-07 | 中国人民解放军肾脏病研究所 | Medical automatic infusion pressurizing bag |
| CN207004770U (en) * | 2017-04-25 | 2018-02-13 | 刘勇 | A kind of minisize fluid conveying device based on piezoelectricity air pump |
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2017
- 2017-04-25 CN CN201710275572.4A patent/CN107013439B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5558639A (en) * | 1993-06-10 | 1996-09-24 | Gangemi; Ronald J. | Ambulatory patient infusion apparatus |
| CN201510595U (en) * | 2009-03-05 | 2010-06-23 | 王�锋 | Pressure portable multifunctional safety transfusion system |
| CN202154914U (en) * | 2011-06-29 | 2012-03-07 | 中国人民解放军肾脏病研究所 | Medical automatic infusion pressurizing bag |
| CN207004770U (en) * | 2017-04-25 | 2018-02-13 | 刘勇 | A kind of minisize fluid conveying device based on piezoelectricity air pump |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019148962A1 (en) * | 2018-02-02 | 2019-08-08 | 常州市派腾电子技术服务有限公司 | Liquid supply device and electronic cigarette |
| CN109695561A (en) * | 2018-03-15 | 2019-04-30 | 常州威图流体科技有限公司 | A kind of miniature antiseep fluid delivery system |
| CN110584201A (en) * | 2018-06-12 | 2019-12-20 | 常州市派腾电子技术服务有限公司 | Liquid supply assembly, power supply device and electronic cigarette |
| US20210178108A1 (en) * | 2018-08-29 | 2021-06-17 | Murata Manufacturing Co., Ltd. | Humidification apparatus and humidification and blowing apparatus for respiratory organs including the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107013439B (en) | 2019-12-10 |
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