CN204403664U - The integrated active silencer of high-pressure liquid-filling pipeline - Google Patents
The integrated active silencer of high-pressure liquid-filling pipeline Download PDFInfo
- Publication number
- CN204403664U CN204403664U CN201520002050.3U CN201520002050U CN204403664U CN 204403664 U CN204403664 U CN 204403664U CN 201520002050 U CN201520002050 U CN 201520002050U CN 204403664 U CN204403664 U CN 204403664U
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- pipeline section
- piezoelectric ceramic
- downstream
- upstream
- pressure liquid
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model provides the integrated active silencer of a kind of high-pressure liquid-filling pipeline.Mainly comprise cylindrical housing, be arranged at the actuator based on tubular piezo-electric pottery in the middle of shell, sensor inside upstream and downstream pipeline section, the picking up signal between housing and actuator pipeline section and conditioning system, power amplifying system, High Speed Signal Processor System based on DSP.The utility model provides and a kind ofly can be used for high-pressure liquid-filling pipeline, based on the integrated active silencer of tubular piezo-electric ceramic actuator, very high integrity.This active pipeline silencing apparatus provides antinoise to go to offset original noise in pipeline according to the frequency of flow noise in the pipeline measured in real time, size and phase place, and therefore it can adapt to the change of noise frequency, anechoic frequency bandwidth, and soundproof effect is good.
Description
Technical field
The utility model relates to a kind of pipeline silencing apparatus, particularly a kind of integrated active silencer for active charging line.
Background technique
Pipe-line system has very important application in various industrial field, and especially in shipping industry field, charging line system (as domestic water pipeline and cooling water pipeline etc.) is prevalent in various ships, and plays the effect wanted emphatically.But the vibration noise of charging line system is never well controlled, become a difficult problem of puzzlement people.Fixing a silencer in charging line is a kind of most widely used method.Noise elimination frequency band and the acoustic attenuation performance of traditional resistive or anti-formula silencing apparatus are determined after structure is determined, cannot adapt to the change of the pipe-line system noise frequency caused due to the change of pump operation operating mode.Therefore traditional silencing apparatus can not tracking noise frequency change and reach best soundproof effect.
Summary of the invention
The purpose of this utility model is the integrated active silencer of high-pressure liquid-filling pipeline providing a kind of noise reduction good.
The purpose of this utility model is achieved in that
Comprise shell 1, upstream pipeline section 3, downstream pipeline section 5, in the middle of shell, tubular piezo-electric ceramic actuator 2 is set, tubular piezo-electric ceramic actuator links with upstream pipeline section 3 and downstream pipeline section 5 respectively, inside upstream pipeline section 3 and downstream pipeline section 5, upstream line pressure pulsation sensor 4 and downstream line pressure pulsation sensor 6 are set respectively, a cavity is formed between shell 1 and water lines, picking up signal and conditioning system 7 are installed inside described cavity, power amplifying system 8, processing signals system 9, signal processing system 9 is connected with conditioning system 7 and power amplifying system 8 with picking up signal simultaneously, external cable 14 and picking up signal and conditioning system 7, power amplifying system 8, signal processing system 9 connects simultaneously, picking up signal is connected with upstream sensor 4 and downstream sensor 6 with conditioning system 7 simultaneously, power amplifying system 8 is connected with the piezoelectric ceramic actuator 2 of tubulose.
The utility model can also comprise:
1, each with one section of boss on upstream pipeline section 3 and downstream pipeline section 5, upstream sensor 4 is arranged on inside the boss 15 of upstream pipeline section, is circular layout; Downstream sensor 6 is arranged on inside the boss 17 of downstream pipeline section, is circular layout.
2, upstream sensor 4 and between downstream sensor 6 and corresponding boss, damping material is set.
3, the piezoelectric ceramic actuator 2 of tubulose is connected with upstream pipeline section 3 and downstream pipeline section 5 respectively by two Flexible Connectors 12,13.
4, picking up signal and conditioning system 7, power amplifying system 8 and adopt elasticity to install between processing signals system 9 and shell.
5, described tubular piezo-electric ceramic actuator 2 comprises piezoelectric ceramic tube 21, and piezoelectric ceramic tube 21 is encapsulated in epoxy resin 22, is fixed on pedestal 23, and outside is provided with sleeve pipe 24, and piezoelectric ceramic tube 21 is connected with the external world by a cable 25.
The utility model provides and a kind ofly can be used for high-pressure liquid-filling pipeline, based on the integrated active silencer of tubular piezo-electric ceramic actuator, very high integrity.This active pipeline silencing apparatus provides antinoise to go to offset original noise in pipeline according to the frequency of flow noise in the pipeline measured in real time, size and phase place, and therefore it can adapt to the change of noise frequency, anechoic frequency bandwidth, and soundproof effect is good.
Accompanying drawing explanation
Fig. 1 is the main sectional view of structure of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the main sectional view of tubular piezo-electric ceramic actuator.
Embodiment
Below in conjunction with accompanying drawing citing, the utility model is described in more detail.
Composition graphs 1-Fig. 3, the integrated active silencer of high-pressure liquid-filling pipeline based on tubular piezo-electric ceramic actuator of the present utility model comprises shell 1, be arranged at the tubular piezo-electric ceramic actuator 2 in the middle of shell, upstream pipeline section 3 and the upstream line pressure pulsation sensor 4 be installed on inside it thereof, downstream pipeline section 5 and the downstream line pressure pulsation sensor 6 be installed on inside it, picking up signal and conditioning system 7, power amplifying system 8, based on the High Speed Signal Processor System 9 of DSP, upstream and downstream adpting flange 10,11, elasticity connects 12,13.
The utility model is arranged in pipe-line system by two flanges 10,11; The piezoelectric ceramic actuator 2 of tubulose connects 12,13 by two elasticity and is connected with upstream pipeline section 3 and downstream pipeline section 5 respectively, the transmission of tube wall vibration owing to causing when piezoelectric ceramic actuator 2 works play pipe section 3,5 up and down can be isolated like this, in order to avoid pollute the tube noise signal that upstream sensor 4 and downstream sensor 6 measure; Form a cavity between shell 1 and water lines, the inside is provided with picking up signal and conditioning system 7, power amplifying system 8, high speed processing signaling system 9 based on DSP, adopts elasticity to install between three and shell; High Speed Signal Processor System 9 based on DSP is connected with conditioning system 7 and power amplifying system 8 with picking up signal simultaneously, external cable 14 with picking up signal and conditioning system 7, power amplifying system 8, be connected based on the High Speed Signal Processor System 9 of DSP simultaneously, powered for three and detects the working state of three; Picking up signal is connected with upstream sensor 4 and downstream sensor 6 with conditioning system 7 simultaneously, with noise in the pipeline measuring upstream and downstream, its Signal transmissions measured gives the High Speed Signal Processor System 9 based on DSP, corresponding control signal is calculated according to control algorithm for it, control signal is transferred to power amplifying system 8, power amplifying system 8 is connected with the piezoelectric ceramic actuator 2 of tubulose, with drive ram work; Upstream sensor 4 is arranged on inside upstream pipeline section boss 15, be circular layout, isolate with damping material 16 between upstream sensor 4 and boss 15 metal, full seam welding is all needed, to prevent fluid seepage in pipeline between boss 15 and shell 1, between shell 1 and upstream pipeline section 3, between boss 15 and upstream pipeline section 3; Equally, downstream sensor 6 is arranged on inside downstream pipeline section boss 17, be circular layout, isolate with damping material 18 between downstream sensor 6 and boss 17 metal, full seam welding is all needed, to prevent fluid seepage in pipeline between boss 17 and shell 1, between shell 1 and downstream pipeline section 5, between boss 17 and downstream pipeline section 5.
The utility model is connected in pipe-line system by upstream and downstream adpting flange 10,11.Upstream sensor 4 measuring channel upstream noise signal, pass to picking up signal and conditioning system 7, the High Speed Signal Processor System 9 based on DSP is exported to by signal transacting, as the reference-input signal of control system, downstream sensor 6 measuring channel downstream noise signal simultaneously, pass to picking up signal and conditioning system 7, export to the High Speed Signal Processor System 9 based on DSP, as the error signal of control system by signal transacting.Control system is according to reference signal and error signal, control signal is calculated by certain control algorithm, control signal exports to power amplifying system 8 by the High Speed Signal Processor System 9 based on DSP, through the piezoelectric ceramic actuator 2 of power amplification rear driving tubulose, the tubular piezo-electric pottery in actuator produces metamorphosis in tube fluid.This sensor place acting on downstream pipeline section produces the noise anti-phase with noise constant amplitude in former pipeline, thus controls the flow noise of pipeline middle and lower reaches.
Claims (9)
1. the integrated active silencer of high-pressure liquid-filling pipeline, comprise shell (1), upstream pipeline section (3), downstream pipeline section (5), it is characterized in that: in the middle of shell, tubular piezo-electric ceramic actuator (2) is set, tubular piezo-electric ceramic actuator links with upstream pipeline section (3) and downstream pipeline section (5) respectively, upstream pipeline section (3) and downstream pipeline section (5) inner side arrange upstream line pressure pulsation sensor (4) and downstream line pressure pulsation sensor (6) respectively, a cavity is formed between shell (1) and water lines, picking up signal and conditioning system (7) are installed inside described cavity, power amplifying system (8), processing signals system (9), signal processing system (9) is connected with conditioning system (7) and power amplifying system (8) with picking up signal simultaneously, external cable (14) and picking up signal and conditioning system (7), power amplifying system (8), signal processing system (9) connects simultaneously, picking up signal is connected with upstream sensor (4) and downstream sensor (6) with conditioning system (7) simultaneously, (8 are connected with the piezoelectric ceramic actuator (2) of tubulose power amplifying system.
2. the integrated active silencer of high-pressure liquid-filling pipeline according to claim 1, it is characterized in that: upstream pipeline section (3) and downstream pipeline section (5) are gone up each with one section of boss, upstream sensor (4) is arranged on boss (15) inner side of upstream pipeline section, is circular layout; Downstream sensor (6) is arranged on boss (17) inner side of downstream pipeline section, is circular layout.
3. the integrated active silencer of high-pressure liquid-filling pipeline according to claim 1 and 2, is characterized in that: upstream sensor (4) and arrange damping material between downstream sensor (6) and corresponding boss.
4. the integrated active silencer of high-pressure liquid-filling pipeline according to claim 1 and 2, is characterized in that: the piezoelectric ceramic actuator (2) of tubulose is connected with upstream pipeline section (3) and downstream pipeline section (5) respectively by two Flexible Connectors (12,13); Picking up signal and conditioning system (7), power amplifying system (8) and adopt elasticity to install between processing signals system (9) and shell.
5. the integrated active silencer of high-pressure liquid-filling pipeline according to claim 3, is characterized in that: the piezoelectric ceramic actuator (2) of tubulose is connected with upstream pipeline section (3) and downstream pipeline section (5) respectively by two Flexible Connectors (12,13); Picking up signal and conditioning system (7), power amplifying system (8) and adopt elasticity to install between processing signals system (9) and shell.
6. the integrated active silencer of high-pressure liquid-filling pipeline according to claim 1 and 2, it is characterized in that: described tubular piezo-electric ceramic actuator (2) comprises piezoelectric ceramic tube (21), piezoelectric ceramic tube (21) is encapsulated in epoxy resin (22), be fixed on that pedestal (23) is upper, outside is provided with sleeve pipe (24), and piezoelectric ceramic tube (21) is connected with extraneous by a cable (25).
7. the integrated active silencer of high-pressure liquid-filling pipeline according to claim 3, it is characterized in that: described tubular piezo-electric ceramic actuator (2) comprises piezoelectric ceramic tube (21), piezoelectric ceramic tube (21) is encapsulated in epoxy resin (22), be fixed on that pedestal (23) is upper, outside is provided with sleeve pipe (24), and piezoelectric ceramic tube (21) is connected with extraneous by a cable (25).
8. the integrated active silencer of high-pressure liquid-filling pipeline according to claim 4, it is characterized in that: described tubular piezo-electric ceramic actuator (2) comprises piezoelectric ceramic tube (21), piezoelectric ceramic tube (21) is encapsulated in epoxy resin (22), be fixed on that pedestal (23) is upper, outside is provided with sleeve pipe (24), and piezoelectric ceramic tube (21) is connected with extraneous by a cable (25).
9. the integrated active silencer of high-pressure liquid-filling pipeline according to claim 5, it is characterized in that: described tubular piezo-electric ceramic actuator (2) comprises piezoelectric ceramic tube (21), piezoelectric ceramic tube (21) is encapsulated in epoxy resin (22), be fixed on that pedestal (23) is upper, outside is provided with sleeve pipe (24), and piezoelectric ceramic tube (21) is connected with extraneous by a cable (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520002050.3U CN204403664U (en) | 2015-01-04 | 2015-01-04 | The integrated active silencer of high-pressure liquid-filling pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520002050.3U CN204403664U (en) | 2015-01-04 | 2015-01-04 | The integrated active silencer of high-pressure liquid-filling pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204403664U true CN204403664U (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520002050.3U Withdrawn - After Issue CN204403664U (en) | 2015-01-04 | 2015-01-04 | The integrated active silencer of high-pressure liquid-filling pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204403664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500904A (en) * | 2015-01-04 | 2015-04-08 | 哈尔滨工程大学 | High-pressure liquid charging pipeline integrated active silencer |
-
2015
- 2015-01-04 CN CN201520002050.3U patent/CN204403664U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500904A (en) * | 2015-01-04 | 2015-04-08 | 哈尔滨工程大学 | High-pressure liquid charging pipeline integrated active silencer |
| CN104500904B (en) * | 2015-01-04 | 2016-06-29 | 哈尔滨工程大学 | The integrated active silencer of high-pressure liquid-filling pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150617 Effective date of abandoning: 20160629 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |