Automatic testing device of performance of electromagnet for valve

An automatic testing device and electromagnet technology, which is applied in the direction of measuring devices, measuring electricity, and measuring electrical variables, etc., can solve the need for large-scale testing of electromagnets that are not suitable for valves, increase the labor intensity of testers, and affect the testing speed of electromagnets, etc. problem, to achieve the effect of fast test speed, simple structure, and avoiding the influence of human factors
CN101937033AInactive Publication Date: 2011-01-05宁波市鄞州通力液压电器厂
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
宁波市鄞州通力液压电器厂
Publication Date
2011-01-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an automatic testing device of performance of an electromagnet for a valve, which comprises a workbench, a tension and pressure sensor, a displacement sensor, a hydraulic proportional amplifying plate, a slide block and a linear slipway which is fixedly connected with the workbench. The electromagnet to be tested is placed and fastened on the slide block; the slide block is in slide fit in the vertical direction of the linear slipway; the tension and pressure sensor is fixed on the workbench under the slide block; a touch rod of the tension and pressure sensor is positioned at the right lower part of an armature of the electromagnet to be tested; the displacement sensor is fixedly connected to the linear slipway; and the free end of a slide rod of the displacement sensor is fixed on the slide block. The automatic testing device also comprises a programmable logic controller, a data collecting card, a current sensor and an industrial control computer, wherein the programmable logic controller is electrically connected with the hydraulic proportional amplifying plate and an operating button on the workbench respectively; and the data collecting card is electrically connected with the displacement sensor, the tension and pressure sensor, the current sensor and the industrial control computer respectively.
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Description

technical field

[0001] The invention relates to the field of electromagnet performance testing, in particular to an automatic testing device for valve electromagnet performance. Background technique

[0002] At present, in the automotive field, hydraulic solenoid valves are used in the actuators of electro-hydraulic control systems of automotive continuously variable transmissions. The hydraulic solenoid valves in the actuators of the electro-hydraulic control systems are generally electromagnetic proportional pressure reducing valves and electromagnetic proportional relief valves. , The accuracy of the electromagnetic proportional pressure reducing valve and the electromagnetic proportional overflow valve directly affects the performance of the continuously variable transmission of the car. The characteristics of the proportional electromagnet, one of the important parts of the electromagnetic proportional pressure reducing valve and electromagnetic proportional relief valv...

Claims

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