Pressure autonomous control hydraulic system
An autonomous control, hydraulic system technology, applied in the direction of fluid pressure actuation system components, fluid pressure actuation devices, ocean energy power generation, etc., can solve the problems of unstable pressure control, complex structure, large volume, etc.
Pending Publication Date: 2019-01-04
广州宝力特液压技术有限公司
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Problems solved by technology
However, the commonly used pressure controllers have the following disadvantages: the start and end pressure parameters cannot be set freely, the pressure control is unstable, and the power generation efficiency is easily affected by the wave size; the structure is complex and the volume is large
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[0016] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0017] Such as figure 1 and figure 2 As shown, the pressure autonomous control hydraulic system according to the embodiment of the present invention includes a first one-way valve 1, an accumulator group 2, an automatic control part 3, a second one-way valve 4 and an oil tank 5, and the first The inlet of the one-way valve 1 is connected to the hydraulic oil input port 10, and the outlet of the first one-way valve 1 is connected to the P1 port of the accumulator group 2 and the automatic control part 3 in sequence;
[0018] The automatic control part 3 includes a sequence valve 31, a hydraulic control reversing valve 32 and a hydraulic control check valve 33, the P1 por...
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The invention discloses a pressure autonomous control hydraulic system which comprises a first one-way valve, an energy accumulator set, an automatic control part, a second one-way valve and an oil tank. An inlet of the first one-way valve is connected with the hydraulic oil input end. An outlet of the first one-way valve is sequentially connected with a port P1 of the energy accumulator set and the automatic control part. The automatic control part comprises a sequence valve, a hydraulic operated directional valve and a hydraulic operated one-way valve. The port P1 of the energy accumulator set is connected with a port A1 of the sequence valve. A port B1 of the sequence valve is connected with a left oil port and a port P2 of the hydraulic operated directional valve. A port A2 of the hydraulic operated directional valve is connected with a port X of the hydraulic operated one-way valve. The port P1 of the energy accumulator set is further connected with a port B3 of the hydraulic operated one-way valve. A port A3 of the hydraulic operated one-way valve is connected with an inlet of the second one-way valve. An outlet of the second one-way valve serves as the hydraulic oil output end. A port Y1 of the sequence valve, a port T of the hydraulic operated directional valve, a right oil port and a port Y2 of the hydraulic operated one-way valve are all connected to the oil tank. According to the pressure autonomous control hydraulic system, pressure control is stable and is not affected by the wave size.
Description
technical field [0001] The invention relates to the technical field of fluid transmission and control, in particular to a pressure autonomous control hydraulic system. Background technique [0002] With the deepening of the national marine power strategy, the demand for navigation aids such as unattended buoy lights at sea is increasing. Because traditional buoy lights that use solar and wind energy to generate electricity are greatly affected by severe ocean weather, equipment that uses wave energy to generate electricity is more and more widely used. The key technology in wave power generation equipment is to use a pressure controller to control the accumulator filling and discharging. However, the commonly used pressure controllers have the following disadvantages: the start and end pressure parameters cannot be freely set, the pressure control is unstable, and the power generation efficiency is easily affected by the wave size; the structure is complex and the volume is...
Claims
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IPC IPC(8): F15B1/02F15B13/02F15B21/14F03B13/14
CPCF03B13/14F15B1/02F15B13/02F15B21/14Y02E10/30
Inventor 余亿坤
Owner 广州宝力特液压技术有限公司