Pneumatic muscle and its control system

Abstract

The invention discloses a pneumatic muscle and a control system thereof. The pneumatic muscle comprises a pneumatic muscle body, a first sealing element, a second sealing element, a charging and discharging device arranged at the end, close to the first sealing element, wherein the pneumatic muscle body is provided with an axial hollow cavity and is used for charging / discharging a compressed gas to provide tension along the axial direction of the pneumatic muscle body; the first sealing element and the second sealing element are arranged at two axial ends of the pneumatic muscle body to seal the hollow cavity of the pneumatic muscle body; the first sealing element is provided with a charging / charging hole communicating with the hollow cavity of the pneumatic muscle body; the charging and discharging device is used for charging the gas outside the pneumatic muscle body into the hollow cavity of the pneumatic muscle body through the charging / discharging hole in a pressurized manner after receiving the pressurized trigger signal; and the charging and discharging device discharges the high-pressure gas in the pneumatic muscle body out of the pneumatic muscle body through the charging / discharging hole after receiving the decompressed trigger signal. The high-pressure gas is provided to the pneumatic muscle through air pressure surrounding the pneumatic muscle, so that an extra high-pressure gas source can be reduced and the application portability of the pneumatic muscle is improved.

Description

technical field [0001] The invention relates to the field of drivers, in particular to a pneumatic muscle and its control system. Background technique [0002] Pneumatic muscle is a new type of actuator that can imitate the contraction of biological muscles. Due to its advantages of high flexibility, light weight, convenient use, fast response, and low cost, it is widely used in various bionic machinery and other driving fields. The pneumatic muscle is mainly composed of three parts: an inflatable elastic hose, a braided mesh that restrains the deformation of the elastic hose, and a clamp. The outside is a layer of high-strength fiber braided mesh. When it is filled with compressed air, the pneumatic muscle structure contracts in the axial direction and expands in the radial direction. If one end of it is fixed, the other end is connected to a load to generate drive through axial contraction. force. [0003] Pneumatic muscles have excellent performance and have good potent...

AI Technical Summary

Problems solved by technology

In the prior art, please refer to figure 1 , is a schematic diagram of the existing pneumatic muscle drive system, the pneumatic muscle 100 needs an independent external air source device 200 such as an air compressor to provide compressed gas, and needs to use air control devices such as solenoid valves to realize the inflation and deflation functions of the pneumatic muscle, so that The system is cumbersome and difficult to apply to portable execution equipment

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