Ultrasonic heat meter signal converter verification device
A signal converter and calibration device technology, which is applied to measurement devices, calorimeters, and heat measurement, etc., can solve problems such as dry calibration devices that do not involve ultrasonic heat meter signal converters, and achieve the effect of improving efficiency.
Active Publication Date: 2016-06-22
SHANGHAI UNIV
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Problems solved by technology
[0008] At present, the published patents or documents related to the present invention all provide the real-flow verification device and method of the ultrasonic heat meter signal converter, and there is no dry verification device related to the ultrasonic heat meter signal converter
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[0030] The specific embodiments of the present invention will be described below in conjunction with the accompanying drawings, but the embodiments of the present invention are not limited thereto.
[0031] Such as figure 1 As shown, a calibration device for an ultrasonic heat meter signal converter is used to verify and test the performance of an ultrasonic heat meter signal converter, including a flow simulation module 1, a temperature difference simulation module 2, a microprocessor 3 and a host computer 4; the flow simulation module 1 is connected with the ultrasonic signal transmitting and receiving pins of the ultrasonic heat meter signal converter 5 to be measured, and is connected with the microprocessor 3 through a communication interface, and the flow rate is set by the microprocessor 3 Calibration parameters and control flow verification process; the temperature simulation module 2 is connected to the inlet temperature and outlet temperature measurement pins of the ...
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The present invention relates to an ultrasonic heat meter signal converter verification device. The device comprises a flow simulation module, a temperature difference simulation module, a microprocessor and an upper computer. The device is suitable for performance verification and test of an ultrasonic heat meter signal converter on the basis of time-difference method flow measurement and thermal resistance temperature measurement. The upper computer verification software is configured to set heat verification parameters and send the heat verification parameters to the microprocessor; the microprocessor is configured to control the flow simulation module and the temperature difference simulation module to simulate functions of the ultrasonic wave transducer and the thermal resistance temperature sensor of the ultrasonic heat meter to be measured and realize the heat verification. Compared with a real flow verification device, the ultrasonic heat meter signal converter verification device does not need to use devices of controlling water flow such as a container, a pipeline, a regulation valve and the like of the real flow verification device in the process of verification; the ultrasonic heat meter signal converter verification device is formed through a hardware circuit and software programming and completely uses electric signals to perform verification so as to reduce the verification cost and economize on manpower in the processes of development, production and maintenance of an ultrasonic heat meter.
Description
technical field [0001] The invention relates to a verification device for an ultrasonic heat meter signal converter, which is suitable for performance verification and testing of an ultrasonic heat meter signal converter based on time-difference method flow measurement and thermal resistance temperature measurement. Background technique [0002] An ultrasonic heat meter is an instrument that measures the heat energy released or absorbed by water flowing through a heat exchange system. It measures the velocity of water flow through the principle of ultrasonic time difference method, and measures the temperature of the inlet and outlet through thermal resistance. According to the measured flow velocity and the known cross-sectional area of the pipeline, the volume flow rate of the fluid is determined, and then the calorific value is obtained according to the temperature difference between the inlet and outlet, and through the compensation and integral calculation of the dens...
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IPC IPC(8): G01K19/00
CPCG01K19/00
Inventor 姚骏王佳刘振凯王斌李霄玉
Owner SHANGHAI UNIV