Automatic calibrating apparatus on flow of heat energy meter
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A technology of flow verification and flow adjustment device, which is applied in the field of automatic thermal energy meter flow verification devices, can solve the problems of complex verification operation and low efficiency of thermal energy meters, and achieves the effect of simple control method and accurate data collection.
Active Publication Date: 2012-01-04
ANHUI HIGHWELL ELECTRONICS
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[0004] The technical problem to be solved by the present invention is to provide a fully automatic thermal energy meter flow verification device to solve the problems of complex operation and low efficiency of the existing thermal energy meter verification
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[0014] one sight figure 1 , Fully automatic heat meter flow verification device, including water circulation system, data acquisition system, control system, pneumatic system;
[0015] The water circulation system includes a water outlet of a constant temperature water tank 1, a water pump 2, a surge tank 3, a water inlet valve 4, a meter to be inspected 5, a flow meter 6, a flow adjustment device, an observation window 13, a water collection tank 14, and a drain valve 16, which are connected in sequence and the water inlet of the constant temperature water tank 1; the constant temperature water tank 1 is provided with a heater 17 and a temperature sensor 18, and the flow regulating device includes three flow regulating pipelines of large, medium and small flows, and the small flow regulating pipeline includes the first interconnected A manual adjustment valve 7 and a first water outlet valve 8, the medium flow adjustment pipeline includes a second manual adjustment valve 9 an...
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Abstract
The invention discloses an automatic calibrating apparatus on a flow of a heat energy meter. The apparatus comprises a water circulation system, a data collection system and a control system. The water circulation system consists of a water outlet of a thermostatic water tank, a water pump, a vacuum tank, an inlet valve, a detected meter, a flowmeter, a flow adjusting apparatus, an observation window, a header tank, a draining valve, and a water inlet of the thermostatic water tank, wherein the above-mentioned components are communicated in order; besides, a heater is arranged in the thermostatic water tank. The data collection system comprises a multifunctional concentrator, a concentration meter reader, a temperature sensor, a pressure transmitter, and an electronic scale; and the detected meter and the flowmeter are connected with the concentration meter reader by the multifunctional concentrator. In addition, the control system is composed of a computer, an intelligent control instrument and a frequency converter; the heater, the temperature sensor, the pressure transmitter and the frequency converter are connected with the intelligent control instrument and the intelligent control instrument, the concentration meter reader and the electronic scale are connected with the computer. According to the invention, the apparatus has a simple structure; automatic control on calibration of a flow of a heat energy meter is realized; costs and an error rate are reduced; and an calibration efficiency and an accuracy are improved.
Description
[0001] technical field [0002] The invention relates to the field of heat meter verification devices, in particular to a fully automatic heat meter flow verification device. Background technique [0003] The Ministry of Construction of the People's Republic of China has included heat metering charges in the building energy-saving plan, and the demand for heat meters has increased sharply. In the process of producing heat meters, enterprises must follow the national "Heat Energy Meter" verification regulations, and each heat meter needs to be tested and calibrated; quality and technical supervision departments in various places need to verify various heat meters. The heat meter can be installed and used. Therefore, the heat meter verification process is an important and time-consuming link in the entire production process. However, the heat meter verification devices developed by some companies require a lot of manual participation, such as manual meter reading, setting com...
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