Local resistance coefficient testing device for valve and pipeline accessory
By designing a local resistance coefficient test device for valves and pipeline accessories, and using weighing method and pressure differential sensors to measure flow and pressure drop, the problem of inaccurate measurement and high cost in the prior art is solved, and the accurate measurement and cost reduction of the resistance coefficient are achieved.
CN222689384UActive Publication Date: 2025-03-28TANGSHAN COLLEGE
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Patent Information
- Application Number
- CN202421575066.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-07-04
AI Technical Summary
Technical Problem
In the prior art, when measuring the local resistance coefficients of valves and pipeline accessories, there are problems of inaccurate flow measurement and high cost, especially for testing of valves and pipeline accessories of different specifications.
Method used
A local resistance coefficient test device for valves and pipeline accessories was designed, the volume flow rate was calculated using the weighing method, and the pressure drop was measured by a pressure differential sensor. The device was designed as an open system to maintain the pressure stability at the inlet and outlet.
Benefits of technology
Accurate measurement of the resistance coefficients of valves and pipeline accessories is achieved, reducing testing costs and improving measurement accuracy.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model relates to the technical field of experimental testing equipment, in particular to a local resistance coefficient testing device for valves and pipeline accessories, which comprises a water storage tank, a high-level water tank, a low-level water tank, a circulating water pump, a weighing scale, a measuring cylinder, a three-way valve, a differential pressure sensor and a timer. The circulating water pump is installed on the first water outlet pipe, a control valve is arranged at a water outlet of the circulating water pump, a second water outlet pipe is connected between the high-position water tank and the low-position water tank, the tested piece is connected to the second water outlet pipe, the differential pressure sensor is connected to a water inlet and a water outlet of the tested piece, and the low-position water tank is connected with a second overflow pipe used for draining water to the measuring cylinder. A water return pipe is connected between the second overflow pipe and the water storage tank, the three-way valve is installed at the joint of the water return pipe and the second overflow pipe, and the measuring cylinder is placed on the weighing scale. The resistance coefficient testing device has the effect of effectively and accurately testing the resistance coefficient of the tested piece.
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