Micro-liquid-flow electromagnetic commutator

Abstract

The invention discloses a micro-liquid-flow electromagnetic commutator which comprises a bottom plate. The micro-liquid-flow electromagnetic commutator is characterized in that a left traction electromagnet, a right traction electromagnet and a communicator support are sequentially arranged on the upper portion of a base plate from left to right, the bottom plate is provided with a water inlet hole between the left and right traction electromagnets, a branched liquid distribution device and a liquid guide device are arranged above and under the water inlet hole respectively and both communicated with the water inlet hole, and a photoelectric pulse communicator is arranged on the communicator support. By coil power on-off control of the left and right traction electromagnets, commutation ofthe electromagnetic commutator is realized; in a commutation process, the photoelectric pulse communicator is triggered by a light barrier to record commutation actuation time nodes. The micro-liquid-flow electromagnetic commutator has advantages of small size, portability, convenience and quickness in mounting and demounting, structural steadiness, shock resistance, impact resistance, quicknessin commutation action, movability and low environmental requirements of places, energy supply and the like.

Description

technical field [0001] The invention relates to the technical field of flow detection equipment, in particular to an electromagnetic commutator for micro liquid flow, which is mainly used for micro liquid flow calibration and commutation during detection. Background technique [0002] Most of the current liquid flow standard devices are fixed and have a large flow rate. Most of the commutators used for the fluid reversing of the large-flow fixed liquid flow standard devices are pneumatic commutators, and the pneumatic commutators are generally large in size. The structure is complex, and the pneumatic system is mostly composed of air compressors, gas storage tanks and many pipelines. It has high requirements for space and site, and cannot be moved at will. It is not suitable for the reversing of small liquid flow and the needs of on-site testing. Contents of the invention [0003] The object of the present invention is to provide an electromagnetic commutator for small liq...

AI Technical Summary

Problems solved by technology

[0002] Most of the current liquid flow standard devices are fixed and have a large flow rate. Most of the commutators used for the fluid reversing of the large-flow fixed liquid flow standard devices are pneumatic commutators, and the pneumatic commutators are generally large in size. The structure is complex, and the pneumatic system is mostly composed of air compressors, gas storage tanks and many pipelines. It has high requirements for space and site, and cannot be moved at will. It is not suitable for the reversing of small liquid flow and the needs of on-site testing.

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