A frequency-adjustable flow pulsation attenuator
A flow pulsation and attenuator technology, which is applied in the direction of pipes/pipe joints/fittings, mechanical equipment, pipe components, etc., can solve the problem that the pulsation attenuator cannot effectively attenuate flow pulsation, etc., and achieve the effect of small and compact structure and convenient installation
Active Publication Date: 2016-11-09
ZHEJIANG UNIV
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Problems solved by technology
[0005] The purpose of the present invention is to solve the problem that the traditional pulsation attenuator with fixed attenuation frequency cannot effectively attenuate the flow pulsation with changing frequency, and specially provides a flow pulsation attenuator with adjustable frequency, which can manually adjust the attenuation frequency of the pulsation attenuator Close to the real pulsation frequency of the system, so that the pulsation attenuation effect can be maximized in a wide frequency band
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[0033] Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
[0034] Such as Figure 1 ~ Figure 3 As shown, the present invention includes a housing 23 and a pulsation sensitive mechanism 4 installed in the housing 23, a spring mass vibration mechanism 1, a mass adjustment mechanism 2 and a pressure stabilizing mechanism 3, and the spring mass vibration mechanism 1 is installed in the housing 23 and the pulsation mechanism 3. Between the sensitive mechanism 4, the pulsation sensitive mechanism 4 includes a voltage stabilizing sleeve 14, the mass adjustment mechanism 2 is connected to the spring mass vibration mechanism 1 to adjust its spring force, and the quality adjustment mechanism 2 and the pulsation sensitive mechanism 4 are provided with a stabilizer for stabilizing the inner chamber. Oil pressure stabilizing mechanism 3.
[0035] Such as figure 1As shown, the pulsation sensitive mechanism 4 includes a fron...
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The invention discloses a frequency-adjustable flow pulsation attenuator comprising a shell, a pulsation sensitive mechanism, a spring mass vibrating mechanism, a mass regulating mechanism and a pressure stabilizing mechanism, wherein the spring mass vibrating mechanism is arranged between the shell and the pulsation sensitive mechanism; the pulsation sensitive mechanism comprises a pressure stabilizing sleeve; the mass regulating mechanism is connected to the spring mass vibrating mechanism to regulate the spring force of the spring mass vibrating mechanism; the pressure stabilizing mechanism is arranged on the mass regulating mechanism and the pulsation sensitive mechanism; the pulsation sensitive mechanism is used for converting a pulsation flow signal into a pressure difference signal to cause vibration response of the spring mass vibrating mechanism, and then, the pulsation is absorbed or released, so that pressure difference pulsation and flow pulsation are attenuated; and the attenuation frequency of the spring mass vibrating mechanism is changed by the mass regulating mechanism, and the pressure stabilizing mechanism is used for keeping the balance of the pressure of a liquid mass part and the pressure of a system. By using the pulsation attenuator disclosed by the invention, the attenuation frequency can be regulated, and the pulsation attenuation effect can be maximized within a relatively wide frequency band; and the pulsation attenuator is convenient to mount, small and compact in structure and suitable for various liquid media.
Description
technical field [0001] The invention relates to a flow pulsation attenuator, in particular to a flow pulsation attenuator with adjustable frequency, which belongs to the technical field of fluid transmission and control. Background technique [0002] Fluid mechanical systems generally have flow pulsation and pressure pulsation, for example, the pump source of the hydraulic system causes the flow pulsation of the pipeline, the water hammer phenomenon of valve opening and closing, etc. These flow and pressure pulsations not only affect the proper operation of the system, but also degrade the performance of the system. If the pulsation induces large pipeline vibration, it will reduce the life of the pipeline and hydraulic components. In severe cases, it will even cause the rupture of the pipeline wall, the damage of the pipeline support structure, the decrease of the support stiffness, the failure of the pipeline system, and the loss of hydraulic oil. lead to serious catastrop...
Claims
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IPC IPC(8): F16L55/04
CPCF16L55/04
Inventor 欧阳小平方旭杨华勇
Owner ZHEJIANG UNIV