Multi-channel flow control system
AssigneeIndustrial Technology Research Institute
InventorsCheng-Yu Chu, Shang-Te Chen
Life of this patent
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Abstract
The present disclosure generally relates to a multi-channel flow control system, more particularly to an oil return control, such as a multi-channel flow control system, that is suitable for hydrostatic rotary mechanisms, and it prevents the oil pump from being damaged due to dry pumping and ensures that the oil storage space does not overflow due to excessive accumulation of hydraulic oil.
Claims13
A multi-channel flow control system, applied to a hydrostatic rotary mechanism, which has an oil storage space for holding hydraulic oil, the oil storage space having a first side and a second side that are opposite to each other, the first side and the second side having at least one oil outlet hole respectively, the hydrostatic rotary mechanism being able to swing according to a first rotary shaft as a rotary center, a level height of each oil outlet hole at the first side and a level height of each oil outlet hole at the second side being raised and lowered together with the oil storage space that is driven by the hydrostatic rotary mechanism, comprising:
- an angle sensing module, having a plurality of sensors, a part of components or total components of the angle sensing module and the hydrostatic rotary mechanism rotating simultaneously, in order to trigger off at least one of the sensors for generating a sensing signal;
- a signal processing module, electrically connecting with the angle sensing module, receiving the sensing signals to generate a control signal;
- and
- a flow control module, having a plurality of pipelines, which connect with the oil outlet holes and an oil return pipeline respectively, each pipeline being disposed a valve individually, each of the valves electrically connecting with the signal processing module, the control signal controlling a switching degree of at least one of the valves, in order to control an amount of the hydraulic oil flowing into the oil return pipeline from the oil storage space via at least one of the oil outlet holes;
- wherein the angle sensing module comprises:
- a body, disposed at the hydrostatic rotary mechanism and oscillating with the hydrostatic rotary mechanism simultaneously, having a chute, the chute being with a lower point, two comparative sides of the lower point being a first portion and a second portion of the chute;
- a sliding component, disposed in the chute, the sliding component being able to slide in the chute when the body is oscillating;
- and
- the plurality of sensors having a first sensor and a second sensor, the first sensor being disposed in the first portion, the second sensor being disposed in the second portion, two level heights of the first sensor and the second sensor being higher than a level height of the lower point, the two level heights of the first sensor and the second sensor being raised and lowered alternatively followed by that the body is oscillating.
A multi-channel flow control system, applied to a hydrostatic rotary mechanism, which has an oil storage space for holding hydraulic oil, the oil storage space having a first side and a second side that are opposite to each other, the first side and the second side having at least one oil outlet hole respectively, the hydrostatic rotary mechanism being able to swing according to a first rotary shaft as a rotary center, a level height of each oil outlet hole at the first side and a level height of each oil outlet hole at the second side being raised and lowered together with the oil storage space that is driven by the hydrostatic rotary mechanism, comprising:
- an angle sensing module, having at least one sensor, a part of components or total components of the angle sensing module and the hydrostatic rotary mechanism rotating simultaneously, in order to trigger off at least one of the sensors for generating a sensing signal;
- a signal processing module, electrically connecting with the angle sensing module, receiving the sensing signals to generate a control signal;
- and
- a flow control module, having a plurality of pipelines, which connect with the oil outlet holes and an oil return pipeline respectively, each pipeline being disposed a valve individually, each of the valves electrically connecting with the signal processing module, the control signal controlling a switching degree of at least one of the valves, in order to control an amount of the hydraulic oil flowing into the oil return pipeline from the oil storage space via at least one of the oil outlet holes;
- wherein between two bottom edges of the first side and the second side of the hydrostatic rotary mechanism is a third side, an adjacent place of the first side and the third side being disposed a first oil outlet hole, an adjacent place of the second side and the third side being disposed a second oil outlet hole, the hydrostatic rotary mechanism being able to swing according to the first rotary shaft as a rotary center, in order to let level heights of a first oil outlet hole and a second oil outlet hole be raised and lowered comparatively;
- wherein the oil return pipeline has an oil inlet end and an oil outlet end;
- wherein the plurality of pipelines has a first pipeline and a second pipeline, two comparative ends of the first pipeline connect with the first oil outlet hole and the oil inlet end respectively, and two comparative ends of the second pipeline connect with the second oil outlet hole and the oil inlet end individually;
- wherein the plurality of valves has a first valve and a second valve, the first valve is disposed at the first pipeline, and the second valve is disposed at the second pipeline;
- wherein the oil storage space further has a fourth side, which is disposed between two top edges of the first side and the second side, the fourth side being opposite to the third side, an adjacent place of the first side and the fourth side being disposed a third oil outlet hole, an adjacent place of the second side and fourth side being disposed a fourth oil outlet hole, the level heights of the first oil outlet hole, the second oil outlet hole, the third oil outlet hole, and the fourth oil outlet hole being raised and lowered together with that when the hydrostatic rotary mechanism swings and drives the oil storage space to swing synchronously;
- wherein the plurality of pipelines further has a third pipeline and a fourth pipeline, two opposite ends of the third pipeline connect with the third oil outlet hole and the oil inlet end respectively, and two opposite ends of the fourth pipeline connect with the fourth oil outlet hole and the oil inlet end individually;
- and
- wherein the plurality of valves further has a third valve and a fourth valve, the third valve is disposed at the third pipeline, and the fourth valve is disposed at the fourth pipeline;
- and
- wherein the control signal controlling a switching degree of the first valve, the second valve, the third valve, or the fourth valve in order to control an amount of the hydraulic oil flowing into the oil return pipeline from the oil storage space via the first oil outlet hole, the second oil outlet hole, the third oil outlet hole, or the fourth oil outlet hole.
Dependencies are inferred from the claim text.