Sichuan Chengbang Haoran Measurement and Control Technology Co., Ltd.
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NT4000 - Water pump test system

The system is specially designed for centrifugal mechanical pump performance test system, using YB type torque speed sensor to measure the input torque and speed of the pump, using a variety of sensor flow sensor and pressure sensor to measure the pump output flow, pressure, in order to convert the pump output power. Suitable for pump power performance, sealing, cavitation test, all signals connected to the computer acquisition system, the computer system to calculate the efficiency of the pump test. System and draw the pump input power and output efficiency curve. The system is simple and compact in structure, easy to use and maintain, and widely applicable to the development and verification test and factory test of all kinds of pumps.

Case Presentation

NT4000 - Water pump test system - Product background

Summary:

The system is specially designed for centrifugal mechanical pump performance test system, using YB type torque speed sensor to measure the input torque and speed of the pump, using a variety of sensor flow sensor and pressure sensor to measure the pump output flow, pressure, in order to convert the pump output power. Suitable for pump power performance, sealing, cavitation test, all signals connected to the computer acquisition system, the computer system to calculate the efficiency of the pump test. System and draw the pump input power and output efficiency curve. The system is simple and compact in structure, easy to use and maintain, and widely applicable to the development and verification test and factory test of all kinds of pumps.

Bench pictures

 

Reference standards:

L QC/T 288.2 -- 2001 Test Methods for cooling water pumps for automobile engines

L GB/T 3214 -- 1991 Method for measuring the flow of water pumps

Test Methods for centrifugal pumps, mixed flow pumps, axial flow pumps, and vortex pumps

L GB/T 13006 -- 1991 Cavitation allowance for centrifugal pump, mixed flow pump and axial flow pump

L JB/T 8097-1999 Method for vibration measurement and evaluation of pumps

L JB/T 8098-1999 Pump noise measurement and evaluation methods

NT4000 - Water pump test system - Topology

Topology diagram

NT4000 -- Water pump test system adopts modular and integrated design, the operation part conforms to ergonomic design, and can complete manual/automatic mode control. It is mainly composed of mechanical system, electrical system and upper computer software system.

Mechanical system: mechanical platform, piping system, driving system, tested part system, connection part and other equipment.

L Electrical system: flow control valve system, sensors (torque, speed, flow, pressure, temperature) real-time data acquisition system, data acquisition, alarm system and other equipment composition.

L Software system: Upper computer test software is divided into data acquisition and communication module, data acquisition and setting module, data real-time exchange and control module, and data processing module according to the system. By the upper computer according to the test project to complete the test control, data analysis and display, data record and export and other functions.

NT4000 - Water pump test system - System functions

Basic range and accuracy:

● Recommended measuring range of output speed: 0~3300r/min;

● Recommended output torque measurement range: 0~ 1000n. m;

● Speed measurement accuracy: ±1r/min;

● Torque measurement accuracy: ±0.05%F.S;

● Flow measurement accuracy: ±0.05%F.S;

● Pressure measurement accuracy: ±0.05%F.S;

The above measurement accuracy can be configured and selected according to the actual demand.

Experimental items:

L Performance test of pump

L Water pump tightness test

L Water pump cavitation test

NT4000 - Water pump test system - Main features

01 Functional Modularization

The whole design of the platform is adopted, and the modular component combination is adopted inside, which is convenient for the platform combination and maintenance.

02 Complete test items

According to the test requirements stipulated by the national standard, the test items can be added or subtracted according to the configuration module, which can meet various type verification test items

03 tank

Adopt closed/open tank mode, adopt stainless steel pipe design.

04 System Design

It adopts advanced CAN fieldbus design, conforms to the international standard ISO11898(CAN), and has simplified network characteristics. Multiple test systems CAN be connected to the network, and the function expansion of the system does not need to be rewired, but CAN be connected to the bus module nearby. I/O channel can be expanded and adjusted at will to adapt to a variety of complex and changeable site. Digital calibration technology is adopted to make the calibration simple, fast, highly intelligent, rich in self-check, prompt, and parameter setting functions. The modular design simplifies the structure, improves reliability, improves maintainability and remotely controls outlet flow.

05 Humanized design

Adopt professional bench design, fixture has quick docking function, and convenient loading and unloading can be adapted to different specimen installation.

Customized test software

The test system test software developed by Sichuan Chengbang software development team designs the software according to the test process, categorizes the software interface and control process, reduces the repetition of tests, and greatly improves the work efficiency of the test personnel. It also has the functions of real-time curve drawing, transient value capture, trend curve drawing and analysis, multi-parameter combination display, qualification determination, report export and so on.

NT4000 - Water pump test system - Main applications

L water pump

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