Multi-channel mixing valve suitable for soft actuator and air pressure control method for multi-channel mixing valve
A technology of air pressure control and mixing valve, which is applied to multi-way valves, valve details, valve devices, etc., can solve the problems of large footprint, low adjustment accuracy, waste of cost, etc., and achieves convenient switching between positive and negative air pressure modes, and air pressure The effect of high control precision and fast response speed of air pressure adjustment
Pending Publication Date: 2021-12-14
SHENZHEN UNIV
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Problems solved by technology
[0002] To realize the positive and negative air pressure system in the same place, the common method is to use independent positive pressure system and negative pressure system respectively, using the positive pressure system and the negative pressure system respectively, which occupies a large area, is inconvenient to carry, and wastes cost. Existing The positive and negative air pressure integrated machine or control system can only provide positive pressure or negative pressure alone at the same time, and cannot provide positive pressure and negative pressure at the same time, and the existing positive and negative pressure gas adjustment technology has low adjustment accuracy and cannot effectively meet the demand
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[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0025] Such as figure 1 with figure 2 As shown, the first embodiment of the present invention provides a positive and negative pressure controllable mixing valve, including a controller 5, a positive pressure proportional valve 3, a negative pressure proportional valve 4 and a solenoid valve 6, and the signal output terminals of the controller 5 are respectively It is connected with the signal input ends of the positive pressure proportional valve 3, negative pressure proportional valve 4 and solenoid valve 6, and is used to control the on-off of the solenoid valve 6 and the positive pressure pro...
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The invention discloses a multi-channel mixing valve suitable for a soft actuator and an air pressure control method for the multi-channel mixing valve. The multi-channel mixing valve comprises a controller, a positive pressure proportional valve body, a negative pressure proportional valve body and an electromagnetic valve body, the signal output end of the controller is connected to the signal input end of the positive pressure proportional valve body, the signal input end of the negative pressure proportional valve body and the signal input end of the electromagnetic valve body, the controller is used for controlling the electromagnetic valve body to be connected and disconnected with the positive pressure proportional valve body and the negative pressure proportional valve body respectively, the electromagnetic valve body is used for outputting positive and negative air pressure to an air pressure controlled object, the input end of the positive pressure proportional valve body is connected to the output end of a positive high-pressure air source, the positive high-pressure air source is used for outputting positive air pressure to be supplied to the positive pressure proportional valve body, the input end of the negative pressure proportional valve body is connected to a negative high-pressure air source, and the negative high-pressure air source is used for outputting negative air pressure to be supplied to the negative pressure proportional valve. The positive and negative pressure controllable mixing valve can be suitable for an air pressure control system, the positive / negative pressure proportional valve body and the electromagnetic valve body are adopted for mixed connection and control in a method, and the technical effects that positive and negative air pressure modes are convenient to switch, the air pressure adjusting response speed is high, and the air pressure control precision is high can be achieved.
Description
technical field [0001] The invention relates to the technical field of mixing valves, in particular to a multi-channel mixing valve suitable for a soft actuator and an air pressure control method thereof. Background technique [0002] To realize the positive and negative air pressure system in the same place, the common method is to use independent positive pressure system and negative pressure system respectively, using the positive pressure system and the negative pressure system respectively, which occupies a large area, is inconvenient to carry, and wastes cost. Existing The positive and negative air pressure integrated machine or control system can only provide positive pressure or negative pressure alone at the same time, and cannot provide positive pressure and negative pressure at the same time, and the existing positive and negative pressure gas adjustment technology has low adjustment accuracy and cannot effectively meet the demand . Contents of the invention ...
Claims
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IPC IPC(8): F16K11/22F16K31/02F16K37/00
CPCF16K11/22F16K31/02F16K37/0091
Inventor 黄海明孙富春李晓萌谢泽彬许语纾黄志权
Owner SHENZHEN UNIV