CN203702683U - Wideband voltage transformation pressure pulsation attenuator - Google Patents
Wideband voltage transformation pressure pulsation attenuator Download PDFInfo
- Publication number
- CN203702683U CN203702683U CN201420035823.3U CN201420035823U CN203702683U CN 203702683 U CN203702683 U CN 203702683U CN 201420035823 U CN201420035823 U CN 201420035823U CN 203702683 U CN203702683 U CN 203702683U
- Authority
- CN
- China
- Prior art keywords
- hole
- pressure pulsation
- shell
- cavity
- cavities
- 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.)
- Withdrawn - After Issue
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
The utility model discloses a wideband voltage transformation pressure pulsation attenuator which comprises a shell, end covers, elastic diaphragms and a hole plate. The two ends of the shell are used for being connected with a water inlet pipe and a water outlet pipe respectively, a plurality of cavities are evenly machined in the side wall of the outer portion of the shell in the axial direction and the circumferential direction, the elastic diaphragms are placed in the cavities and divide the cavities into upper cavity bodies and lower cavity bodies, the end covers are adopted at the upper ends of the upper cavity bodies to compress the elastic diaphragms and achieve the sealing function on the cavities, the upper cavity bodies are gas pressure cavities, the lower cavity bodies are energy storage cavities, and energy storage device holes are machined in the side wall of the shell to enable the energy storage cavities to be communicated with the inner portion of the shell. A plurality of round hole plates with inclined through holes are arranged in the shell in the axial direction, the hole plates are located between two axial adjacent energy storage device holes, and the surfaces of the hole plates are perpendicular to the axial direction of the shell. A diaphragm device energy storage set and the hole plate pulsation attenuator are effectively combined, pressure pulsation with different frequencies and pressures can be attenuated, wideband voltage transformation pressure pulsation attenuation is achieved, and the wideband voltage transformation pressure pulsation attenuator can adapt to various pressure application occasions.
Description
Technical field
The utility model belongs to fluid line fixture technical field, is specifically related to a kind of wideband transformation pressure pulsation attenuator.
Background technique
The every profession and trades such as water conservancy and hydropower, fluid machinery, oil and natural gas conveying be unable to do without fluid-transporting tubing, and it is indispensable system element in Fluid Transport, transmission and control.But, in pipe-line system, there is pressure pulsation, can cause vibration equipment and noise pollution.
Adopt at present conventionally and accumulator is installed on pipeline is reduced pressure pulsation, accumulator attenuating is obvious, but related data is pointed out conventional accumulator and only the pressure pulsation of low frequency, specified pressure operating mode decayed; Also have appropriate location in pipe-line system that one or more orifice plates are installed pressure pulsation is decayed, this kind of method is simple, but conventionally only obvious to dither attenuating.
Model utility content
The shortcoming that can only decay to the pressure pulsation of characteristic frequency, specified pressure operating mode in order to overcome existing common pulsation dampening, the utility model provides a kind of pressure pulsation attenuator, this attenuator both can be decayed to the pressure pulsation of different frequency scope, also can be to the pressure pulsation decay under different working condition pressures.
A kind of wideband transformation pressure pulsation attenuator, comprise housing, end cap, elastic diaphragm and orifice plate, the two ends of housing are respectively used to connect intake pipe and outlet pipe, the exterior side wall of housing is evenly processed with multiple cavitys along the axial and circumferential directions, by lay elastic diaphragm in cavity, cavity is separated into upper and lower two-part cavity, the upper end of upper cavity adopts end cap compress elastic diaphragm and play the seal action to cavity, upper cavity is as gas pressure chamber, lower cavity, as accumulation of energy chamber, makes accumulation of energy chamber be communicated with enclosure interior in housing sidewall processing accumulator hole; Enclosure interior is axially provided with multiple circular orifices with oblique through hole, orifice plate axially between adjacent two accumulator holes and orifice surface with housing shaft to vertical.
Further, on described orifice plate, have multi-ring annular through hole, each circle annular through-hole is made up of multiple circumferentially equally distributed oblique through holes, is increased gradually by inner ring to the oblique through-hole diameter of outer ring, and the oblique through hole cooperation on different orifice plates makes many screw type liquid passages of formation in housing.
Further, described orifice plate adopts circlip for hole location.
Further, on described end cap, have the inflation inlet that is filled with gas for gas pressure chamber.
The beneficial effects of the utility model are:
(1) the utility model forms diaphragm accumulator group by cavity, end cap, elastic diaphragm and accumulator hole, diaphragm accumulator is distributed in the surrounding of housing, from the surrounding of pipeline, pressure pulsation is decayed, it can be decayed to the pressure pulsation of different pressures operating mode, adapts to various pressure applications.
(2) the utility model adopts the orifice plate with through hole as orifice plate attenuator, and as optimization, the orifice plate that in orifice plate attenuator adopts, aperture, outer macropore combine, can produce wave interference phenomenon after current pass through, and can subdue pulsation energy; Adopt multi-disc orifice plate to form S type spiral hole, current, by rear formation spiral flow, to subdue pressure pulsation energy, have improved the attenuating of pressure pulsation;
The utility model is combined with diaphragm accumulator group and orifice plate attenuator two large divisions, and attenuation band is wide, can decay to the pressure pulsation of different frequency.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is orifice structure schematic diagram;
Fig. 3 is spirality channel schematic diagram;
In above-mentioned figure, be designated: housing 1, end cap 2, hexagon socket head cap screw 3, combined seal ring 4, hexagon socket head cap screw 5, nitrogen 6, elastic diaphragm 7, Protective nut 8, orifice plate 9, circlip for hole 10, macropore 11, aperture 12, spiral flow 13.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.In addition,, in each mode of execution of described the utility model, involved technical characteristics just can combine mutually as long as do not form each other conflict.
Fig. 1 is a kind of embodiment of the present utility model, comprises housing 1, end cap 2, hexagon socket head cap screw 3, combined seal ring 4, hexagon socket head cap screw 5, elastic diaphragm 7, Protective nut 8, orifice plate 9, circlip for hole 10.There are two flanges at housing 1 two ends, are respectively used to connect import, export pipeline; The exterior side wall of housing 1 is evenly processed with multiple cavitys along the axial and circumferential directions, by lay elastic diaphragm 7 in cavity, cavity is separated into upper and lower two-part cavity, the upper end of upper cavity adopts end cap 2 to compress elastic diaphragm and play the seal action to cavity, upper cavity is as gas pressure chamber, and lower cavity is as accumulation of energy chamber.On end cap 2, have the inflation inlet that is filled with gas for gas pressure chamber, hexagon socket head cap screw 3 is pressed on combined seal ring 4 on housing 1, carries out inflation inlet sealing; Protective nut 8 is arranged on cover plate 2, protection end cap inflatable interface; Accumulator hole is uniformly distributed in housing 1 surrounding, and liquid flow in the accumulation of energy chamber that housing 1 and barrier film 7 form through this aperture; By inflator, gas pressure chamber is filled the nitrogen 6 of certain pressure, and end cap 2 is pressed on barrier film 7 on housing 1 by hexagon socket head cap screw 5; Orifice plate 9 is threaded connection with housing 1, and by circlip for hole 10 axially locating.
On described orifice plate, have multi-ring annular through hole, each circle annular through-hole is made up of multiple circumferential equally distributed circular holes, increased gradually by inner ring to the Circularhole diameter of outer ring, the circular hole position on different orifice plates exists skew to make the through hole on multiple orifice plates form many screw type liquid passages.Fig. 2 is an embodiment's orifice structure schematic diagram, and outer ring is macropore 11, and inner ring is aperture 12, and macropore 11, aperture 12 are distributed in orifice plate surrounding, and each through hole forms inclined hole along disalignment several angle.The orifice plate 9 that in adopting, aperture, outer macropore combine, can produce wave interference phenomenon after current pass through, and can subdue pulsation energy; Adopt multi-disc orifice plate 9 to form S type spiral hole, current, by rear formation spiral flow 13, are subdued pressure pulsation energy, can be referring to Fig. 3.
Flowing through liquid pulsation frequency is low frequency: when the pressure of liquid is during higher than the pressure of nitrogen 6, liquid can enter into the cavity volume that housing 1 and barrier film 7 form by accumulator hole, and barrier film 7 shrinks, and liquid constantly enters in cavity volume; When the pressure of liquid is during lower than the pressure of nitrogen 6, barrier film 7 is expanded, and liquid enters into pipeline from cavity volume by accumulator hole, thereby reduces pressure pulsation.Flowing through liquid pulsation frequency is high frequency: liquid, through the hole of orifice plate 9, produces and shrinks and expansion, reduces the component of pressure pulsation.
Form diaphragm accumulator by cavity, end cap, elastic diaphragm and accumulator hole, by setting the inflation pressure of each group, realize the decay to different working condition pressure pulsation.
The quantity of diaphragm accumulator group and volume size are determined and adjust according to housing sidewall thickness and performance requirement, orifice plate quantity as orifice plate attenuator is determined and adjusts according to shell length and performance requirement, optimum consideration effect, using the diaphragm accumulator group of same circumferential distribution on housing as one group of diaphragm accumulator group, the diaphragm accumulator group quantity between adjacent two orifice plates is more than or equal to two.For the spacing between adjacent two orifice plates ensures to form certain spirality channel, between adjacent two orifice plates, should keep a determining deviation.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. a wideband transformation pressure pulsation attenuator, it is characterized in that, comprise housing, end cap, elastic diaphragm and orifice plate, the two ends of housing are respectively used to connect intake pipe and outlet pipe, the exterior side wall of housing is evenly processed with multiple cavitys along the axial and circumferential directions, by lay elastic diaphragm in cavity, cavity is separated into upper and lower two-part cavity, the upper end of upper cavity adopts end cap compress elastic diaphragm and play the seal action to cavity, upper cavity is as gas pressure chamber, lower cavity is as accumulation of energy chamber, in housing sidewall processing accumulator hole, accumulation of energy chamber is communicated with enclosure interior, enclosure interior is axially provided with multiple circular orifices with oblique through hole, orifice plate axially between adjacent two accumulator holes and orifice surface with housing shaft to vertical.
2. wideband transformation pressure pulsation attenuator according to claim 1, it is characterized in that, on described orifice plate, have multi-ring annular through hole, each circle annular through-hole is made up of multiple circumferentially equally distributed oblique through holes, increased gradually by inner ring to the oblique through-hole diameter of outer ring, the oblique through hole cooperation on different orifice plates makes many screw type liquid passages of formation in housing.
3. wideband transformation pressure pulsation attenuator according to claim 1 and 2, is characterized in that, described orifice plate adopts circlip for hole location.
4. wideband transformation pressure pulsation attenuator according to claim 1 and 2, is characterized in that, has the inflation inlet that is filled with gas for gas pressure chamber on described end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420035823.3U CN203702683U (en) | 2014-01-21 | 2014-01-21 | Wideband voltage transformation pressure pulsation attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420035823.3U CN203702683U (en) | 2014-01-21 | 2014-01-21 | Wideband voltage transformation pressure pulsation attenuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702683U true CN203702683U (en) | 2014-07-09 |
Family
ID=51053134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420035823.3U Withdrawn - After Issue CN203702683U (en) | 2014-01-21 | 2014-01-21 | Wideband voltage transformation pressure pulsation attenuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702683U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758798A (en) * | 2014-01-21 | 2014-04-30 | 华中科技大学 | Broad-frequency pressure-variable pressure pulsation attenuator |
| CN108561378A (en) * | 2018-01-04 | 2018-09-21 | 徐州工业职业技术学院 | A kind of flywheel is combined the unit with accumulator and application process |
| CN110107765B (en) * | 2019-05-29 | 2024-04-26 | 青岛科技大学 | Self-adaptive compound pressure pulsation attenuator |
-
2014
- 2014-01-21 CN CN201420035823.3U patent/CN203702683U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758798A (en) * | 2014-01-21 | 2014-04-30 | 华中科技大学 | Broad-frequency pressure-variable pressure pulsation attenuator |
| CN103758798B (en) * | 2014-01-21 | 2016-01-20 | 华中科技大学 | Broad-frequency pressure-variable pressure pulsation attenuator |
| CN108561378A (en) * | 2018-01-04 | 2018-09-21 | 徐州工业职业技术学院 | A kind of flywheel is combined the unit with accumulator and application process |
| CN108561378B (en) * | 2018-01-04 | 2020-01-03 | 徐州工业职业技术学院 | Flywheel and energy accumulator combined device and application method |
| CN110107765B (en) * | 2019-05-29 | 2024-04-26 | 青岛科技大学 | Self-adaptive compound pressure pulsation attenuator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103758798B (en) | Broad-frequency pressure-variable pressure pulsation attenuator | |
| CN104006260B (en) | Water lines current stabilization Broad Band Muffler | |
| CN203702683U (en) | Wideband voltage transformation pressure pulsation attenuator | |
| CN105466643A (en) | Sealing method of aviation casting machine box cavity pressure test | |
| CN205298896U (en) | High pressure hydraulic system hard tube coupling assembling | |
| CN208000173U (en) | A kind of Novel pressure meter damping structure | |
| CN203431406U (en) | Restriction orifice | |
| CN202927240U (en) | Butterfly-valve noise-attenuating device | |
| CN204852736U (en) | Hydraulic pressure oil pipe | |
| CN204922051U (en) | Decompression type gate valve structure | |
| CN203892793U (en) | Flow stabilizing broadband silencer for water pipeline | |
| CN203325722U (en) | Noise eliminating plate type rectifier | |
| CN215173203U (en) | Connecting device for compressed air pipeline | |
| CN108571635B (en) | High-pressure large-flow spherical silencer | |
| CN205609209U (en) | Gaseous emission silencing device | |
| CN217302042U (en) | Hydraulic engineering pipeline inner wall connection sealing device | |
| CN103775756A (en) | Pipeline preventing impact of high-pressure fluid | |
| KR200477548Y1 (en) | Silencer | |
| CN203823348U (en) | Large-diameter medium-high-water-head-pressure steel pipe end cap | |
| CN211288757U (en) | Novel simple regulating valve | |
| CN204267811U (en) | A kind of explosion-proof valve | |
| CN203272244U (en) | Bending pipe adopting approximate reverse equal ring surface method | |
| CN204104115U (en) | Duct acoustics modal waves generation device | |
| CN204025963U (en) | A kind of multistage pump backwater pipe structure | |
| CN103615625A (en) | Pore plate with ablative function and pipeline system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140709 Effective date of abandoning: 20160120 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |