Thermal response remote test device of low-grade heat source of earth source heat pump

A low-grade heat source and ground source heat pump technology, applied in the direction of material heat development, electrical program control, comprehensive factory control, etc., can solve the problems of short test distance, short test cycle, scattered geographical location of the test site, etc., to ensure integrity and accuracy, the effect of ensuring accuracy

Inactive Publication Date: 2011-04-13
SOUTHEAST UNIV
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Problems solved by technology

[0003] However, due to the complexity of geological conditions, the empirical design parameters often have large deviations. Only by using the field test method can the parameters of low-grade heat sources be accurately measured, and provide accurate data for the design and simulation research of ground sou...

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  • Thermal response remote test device of low-grade heat source of earth source heat pump
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  • Thermal response remote test device of low-grade heat source of earth source heat pump

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Embodiment Construction

[0020] The technical scheme of the present invention is described in detail below in conjunction with accompanying drawing:

[0021] The ground source heat pump field test device of the present invention includes an air-cooled heat pump unit 1, an electric heater 2, a thyristor pressure regulating module 3, a voltage stabilizer 4, a solenoid valve 5, a frequency converter 6, a water pump 7, a pressure transmitter 8, Flow transmitter 9, temperature sensor 10, pipeline union 11.

[0022] Specific on-site testing methods such as Figure 1 As shown, the main function of the equipment is to simulate the actual operating conditions of the ground source heat pump air-conditioning system. It is specifically divided into two working conditions: heat release and heat extraction. Connect the joint 11, turn on the circulating water pump 7 to fill water and exhaust, after the exhaust is completed and the flow of the pump is stable, use the frequency converter 6 to adjust the flow of the p...

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Abstract

The invention discloses a thermal response remote test device of a low-grade heat source of an earth source heat pump, comprising an earth source heat pump rock-soil thermal response spot test device and a remote data wireless transmission system, wherein the earth source heat pump rock-soil thermal response spot test device comprises an air cooled heat pump unit, an electric heater, a voltage regulating module, a voltage stabilizer, a magnetic valve, a frequency converter, a water pump, a pressure transmitter, a flow transmitter, a temperature sensor and a movable pipeline joint; the remote data wireless transmission system adopts a GPRS (General Packet Radio Service) remote data wireless transmission system and comprises a field data acquisition module, a GPRSDTU (General Packet Radio Service Data Transmission Unit) communication module, a China mobile network platform and a central server client. Compared with the prior art, the invention adopts the combined mode of the spot test device and a GPRS remote data wireless transmission technology and effectively makes up the defect of short measuring distance of field-use wired serial communication. The tested monitoring is not limited by space and time.

Description

technical field [0001] The invention mainly relates to the field of thermal response testing of low-grade heat sources of ground source heat pumps. It is especially suitable for the field of thermal physical property testing of underground rock and soil. Background technique [0002] Ground source heat pump air-conditioning technology is a new type of air-conditioning system that uses renewable energy such as underground soil, surface water, and groundwater. Due to its low-carbon and environmentally friendly features, it is currently widely used. Among them, the thermophysical parameters of low-grade heat sources are of great significance to the design and later operation of the ground source heat pump air conditioning system. [0003] However, due to the complexity of geological conditions, the empirical design parameters often have large deviations. Only the field test method can accurately measure the parameters of low-grade heat sources, and provide accurate data for th...

Claims

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Application Information

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IPC IPC(8): G05B19/418H04L29/08G01N25/20
CPCY02P90/02
Inventor 陈振乾陈胜朋李栋
Owner SOUTHEAST UNIV
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