CN111980885A - Stacked double-cavity parallel piezoelectric pump with partition plate at outlet - Google Patents
Stacked double-cavity parallel piezoelectric pump with partition plate at outlet Download PDFInfo
- Publication number
- CN111980885A CN111980885A CN202010858185.5A CN202010858185A CN111980885A CN 111980885 A CN111980885 A CN 111980885A CN 202010858185 A CN202010858185 A CN 202010858185A CN 111980885 A CN111980885 A CN 111980885A
- Authority
- CN
- China
- Prior art keywords
- outlet
- piezoelectric pump
- inlet
- groove
- hole
- 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.)
- Granted
Links
- 238000005192 partition Methods 0.000 title claims description 19
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 210000004907 gland Anatomy 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 2
- 239000012530 fluid Substances 0.000 abstract description 23
- 230000008676 import Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/04—Pumps having electric drive
- F04B43/043—Micropumps
- F04B43/046—Micropumps with piezoelectric drive
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Abstract
The invention relates to the technical field of fluid machinery, in particular to a laminated double-cavity parallel piezoelectric pump with an outlet provided with a clapboard, which comprises two groups of piezoelectric pump cavity assemblies symmetrically arranged at two sides of a flow plate, wherein each piezoelectric pump cavity assembly comprises a gland and a middle body, a piezoelectric vibrator is arranged on the gland, the middle body is provided with a piezoelectric pump cavity, the middle body is provided with an inlet groove and an outlet groove, passive stop valves are arranged on the inlet groove and the outlet groove, two sides of the flow plate are provided with an inlet hole and an outlet hole, the inlet hole is communicated with the inlet groove on the middle body at two sides, the outlet hole is provided with a clapboard, the clapboard divides the outlet hole into an upper part and a lower part, the upper part of the outlet hole is communicated with the outlet groove of the middle body at the upper side, the lower part of the outlet hole is communicated, the invention can solve the problem that the laminated double-cavity piezoelectric pump fluid in the prior art can collide to cause energy loss when flowing out.
Description
Technical Field
The invention relates to the technical field of fluid machinery, in particular to a laminated double-cavity parallel piezoelectric pump with a partition plate at an outlet.
Background
The piezoelectric pump is driven by the alternating voltage by the piezoelectric vibrators fixed on the periphery, so that the volume of the pump cavity is continuously changed to generate a certain pressure difference outside the pump cavity, and fluid is driven to flow. The magnitude of the change in the volume of the pump chamber when the piezoelectric pump is operating therefore determines the output capacity of the piezoelectric pump.
The existing dual-cavity parallel piezoelectric pump generally has two structures, one is a straight-line structure, and the other is a laminated structure, the straight-line structure has a larger volume, and when fluid flows out in the laminated structure, the fluid can collide positively in an outlet hole to generate energy loss, so that the output capacity of the piezoelectric pump is weakened.
Disclosure of Invention
The invention aims to provide a laminated dual-cavity parallel piezoelectric pump with an outlet provided with a partition plate, which can solve the problem that in the prior art, when fluid flows out, the laminated dual-cavity piezoelectric pump collides to cause energy loss.
In order to achieve the purpose, the invention provides the following technical scheme: a laminated double-cavity parallel piezoelectric pump with a partition plate at an outlet comprises two groups of piezoelectric pump cavity assemblies, wherein the two groups of piezoelectric pump cavity assemblies are symmetrically arranged at two sides of a flow plate, each piezoelectric pump cavity assembly comprises a pressing cover and an intermediate body, a piezoelectric vibrator is mounted on the pressing cover, a piezoelectric pump cavity is arranged on one surface, close to the piezoelectric vibrator, of the intermediate body, an inlet groove and an outlet groove are formed in the intermediate body, passive stop valves are mounted on the inlet groove and the outlet groove, inlet holes and outlet holes are formed in two sides of the flow plate, the inlet holes are communicated with the inlet grooves in the intermediate body at two sides of the flow plate, a partition plate is arranged at the outlet holes, the outlet holes are divided into an upper part and a lower part by the partition plate, the upper part of each outlet hole is communicated with the outlet groove of the intermediate body at the upper side, the, the inlet tube communicates with the inlet port and the outlet tube communicates with the outlet port.
Preferably, the valve body of the passive stop valve is an umbrella-shaped rubber stop valve.
Preferably, a sealing ring is arranged on the periphery of the piezoelectric vibrator.
Compared with the prior art, the invention has the beneficial effects that: the parallel piezoelectric pump provided by the invention is provided with the partition plate at the outlet, so that the fluid in the upper cavity and the fluid in the lower cavity can be separated and flow out, the fluid in the upper cavity and the fluid in the lower cavity do not meet in the outlet hole, the energy loss is avoided, and the output performance is improved.
Drawings
FIG. 1 is a structural cross-sectional view of the present invention;
fig. 2 is an exploded view of the present invention.
In the figure: the device comprises an inlet pipe 1, a sealing ring 2, a piezoelectric vibrator 3, a gland 4, an intermediate 5, an outlet pipe 6, an inlet hole 7, a passive stop valve 8, a flow plate 9 and a partition plate 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a laminated double-cavity parallel piezoelectric pump with a partition board at an outlet comprises two groups of piezoelectric pump cavity assemblies, wherein the two groups of piezoelectric pump cavity assemblies are symmetrically arranged at two sides of a flow plate 9 and comprise a gland 4 and an intermediate body 5, a piezoelectric vibrator 3 is arranged on the gland 4, one surface, close to the piezoelectric vibrator 3, of the intermediate body 5 is provided with a piezoelectric pump cavity, the intermediate body 5 is provided with an inlet groove and an outlet groove, the inlet groove and the outlet groove are respectively provided with a passive stop valve 8, two sides of the flow plate 9 are provided with an inlet hole 7 and an outlet hole, the inlet hole 7 is communicated with the inlet groove on the intermediate body 5 at two sides of the flow plate 9, the outlet hole is provided with a partition board 10, the outlet hole is divided into an upper part and a lower part by the partition board 10, in the embodiment, the partition board 10 is positioned in the middle of the outlet hole, the upper part, separated by the partition board 10, is communicated with the outlet, install import pipe 1 and outlet pipe 6 on baffle 10, import pipe 1 and import hole 7 intercommunication, outlet pipe 6 and outlet hole intercommunication, during the fluid outflow in the upside piezoelectric pump cavity, only through the first half of outlet hole just directly get into outlet pipe 6, during the fluid outflow in the downside piezoelectric pump cavity, only through the latter half of outlet hole just directly get into outlet pipe 6, fluid in the upside piezoelectric pump cavity can not meet with the fluid in the downside piezoelectric pump cavity, frontal collision can not take place, can not produce energy loss, the output performance has been improved greatly.
Preferably, the valve body of the passive stop valve 8 is an umbrella-shaped rubber stop valve, wherein the passive stop valve 8 on the inlet groove and the outlet groove are opposite in direction.
Preferably, a seal ring 2 is provided around the piezoelectric vibrator 3.
The working principle is as follows: when the piezoelectric pump works, when the piezoelectric vibrator 3 vibrates to enlarge the volume of the pump cavity, fluid flows in from the inlet pipe 1 and respectively enters the upper pump cavity and the lower pump cavity through the inlet hole 7 of the flow through plate, when the piezoelectric vibrator 3 vibrates to reduce the volume of the pump cavity, the fluid flows out from the outlet hole, and due to the existence of the partition plate 10, the fluid in the upper pump cavity and the fluid in the lower pump cavity do not meet in the outlet through hole but directly enter the outlet pipe 6 to flow out.
The parallel piezoelectric pump provided by the invention is provided with the partition plate 10 at the outlet, so that the fluid in the upper cavity and the fluid in the lower cavity can be separated and flow out, the fluid in the upper cavity and the fluid in the lower cavity do not meet in the outlet hole, the energy loss is avoided, and the output performance is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a range upon range of formula two-chamber parallelly connected piezoelectric pump of export area baffle which characterized in that: the piezoelectric pump comprises two groups of piezoelectric pump cavity assemblies, the two groups of piezoelectric pump cavity assemblies are symmetrically arranged on two sides of a flow plate (9), each piezoelectric pump cavity assembly comprises a gland (4) and an intermediate body (5), a piezoelectric vibrator (3) is mounted on each gland (4), a piezoelectric pump cavity is arranged on one surface, close to the piezoelectric vibrator (3), of each intermediate body (5), an inlet groove and an outlet groove are formed in each intermediate body (5), passive stop valves (8) are mounted on each inlet groove and each outlet groove, inlet holes (7) and outlet holes are formed in two sides of the flow plate (9), each inlet hole (7) is communicated with the inlet groove in each intermediate body (5) on two sides of the flow plate (9), each outlet hole is provided with a partition plate (10), each outlet hole is divided into an upper part and a lower part by each partition plate (10), and the upper part of each outlet hole is communicated with the outlet groove, the lower part of the outlet hole is communicated with an outlet groove of the lower side intermediate body (5), an inlet pipe (1) and an outlet pipe (6) are installed on the partition plate (10), the inlet pipe (1) is communicated with the inlet hole (7), and the outlet pipe (6) is communicated with the outlet hole.
2. The outlet diaphragm stacked dual chamber parallel piezoelectric pump of claim 1, wherein: and the valve body of the passive stop valve (8) is an umbrella-shaped rubber stop valve.
3. The outlet diaphragm stacked dual chamber parallel piezoelectric pump of claim 1, wherein: and a sealing ring (2) is arranged on the periphery of the piezoelectric vibrator (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010858185.5A CN111980885B (en) | 2020-08-24 | 2020-08-24 | Stacked double-cavity parallel piezoelectric pump with partition plate at outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010858185.5A CN111980885B (en) | 2020-08-24 | 2020-08-24 | Stacked double-cavity parallel piezoelectric pump with partition plate at outlet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111980885A true CN111980885A (en) | 2020-11-24 |
| CN111980885B CN111980885B (en) | 2022-07-12 |
Family
ID=73443742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010858185.5A Active CN111980885B (en) | 2020-08-24 | 2020-08-24 | Stacked double-cavity parallel piezoelectric pump with partition plate at outlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111980885B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586409A (en) * | 2021-06-28 | 2021-11-02 | 宁波工程学院 | Valveless three-dimensional piezoelectric pump |
| CN113623188A (en) * | 2021-06-28 | 2021-11-09 | 宁波工程学院 | Multifunctional piezoelectric pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1399070A (en) * | 2002-09-03 | 2003-02-26 | 吉林大学 | Multiple-cavity piezoelectric film driven pump |
| CN1908433A (en) * | 2006-08-15 | 2007-02-07 | 华南农业大学 | Two-chamber valveless piezoelectric pump |
| WO2009025167A1 (en) * | 2007-08-17 | 2009-02-26 | Alps Electric Co., Ltd. | Piezoelectric pump |
| CN103104468A (en) * | 2011-11-15 | 2013-05-15 | 林淑媛 | Piezoelectric pump parallel pipelines |
| CN203892161U (en) * | 2014-05-04 | 2014-10-22 | 吉林大学 | Multi-vibrator piezoelectric pump |
-
2020
- 2020-08-24 CN CN202010858185.5A patent/CN111980885B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1399070A (en) * | 2002-09-03 | 2003-02-26 | 吉林大学 | Multiple-cavity piezoelectric film driven pump |
| CN1908433A (en) * | 2006-08-15 | 2007-02-07 | 华南农业大学 | Two-chamber valveless piezoelectric pump |
| WO2009025167A1 (en) * | 2007-08-17 | 2009-02-26 | Alps Electric Co., Ltd. | Piezoelectric pump |
| CN103104468A (en) * | 2011-11-15 | 2013-05-15 | 林淑媛 | Piezoelectric pump parallel pipelines |
| CN203892161U (en) * | 2014-05-04 | 2014-10-22 | 吉林大学 | Multi-vibrator piezoelectric pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586409A (en) * | 2021-06-28 | 2021-11-02 | 宁波工程学院 | Valveless three-dimensional piezoelectric pump |
| CN113623188A (en) * | 2021-06-28 | 2021-11-09 | 宁波工程学院 | Multifunctional piezoelectric pump |
| CN113623188B (en) * | 2021-06-28 | 2023-02-03 | 宁波工程学院 | Multifunctional piezoelectric pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111980885B (en) | 2022-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111980885B (en) | Stacked double-cavity parallel piezoelectric pump with partition plate at outlet | |
| CN101285459B (en) | Piezoelectric pump with valve | |
| CN102135087A (en) | Diffusion/contraction combined pipe valveless piezoelectric pump | |
| CN105508208A (en) | Piezoelectric pump | |
| CN103398203A (en) | Miniature hydrodynamic piezoelectric switch valve | |
| CN203892161U (en) | Multi-vibrator piezoelectric pump | |
| CN111692069B (en) | Drive and valve control integrated fluid drive device | |
| CN201202625Y (en) | Seal device of diaphragm pump | |
| CN201723421U (en) | Piezoelectric pump for self-adapting active valve | |
| CN213684460U (en) | Volume-variable piezoelectric pump | |
| CN107781144B (en) | Double-cavity single-vibrator piezoelectric pump | |
| CN107461328B (en) | Three-plunger reciprocating pump | |
| CN113464410B (en) | Pressure stepless adjustable large-flow piezoelectric pump | |
| CN2797680Y (en) | Diaphragm pump | |
| CN214424673U (en) | Piezoelectric vibrator axial overflowing mixing pump | |
| CN205297880U (en) | Piezoelectric pump | |
| CN220118287U (en) | Multi-cavity double-channel piezoelectric air pump assembly | |
| CN212318263U (en) | Hydraulic diaphragm reciprocating pump with integrated combined pump head | |
| CN103016317A (en) | Three-cavity valveless piezoelectric pump based on wall-attachment effect | |
| CN114483548B (en) | Single-cavity three-vibrator piezoelectric pump and driving method | |
| CN216975210U (en) | Series-type fluid channel valve block structure and diaphragm pump thereof | |
| CN216691405U (en) | Interchangeable series-parallel fluid channel model and diaphragm pump thereof | |
| CN216975211U (en) | Parallel fluid channel valve block structure and diaphragm pump thereof | |
| CN216691404U (en) | Series-parallel connection interchangeable check valve structure and diaphragm pump thereof | |
| CN205977658U (en) | One -way valve of membrane pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |