High-precision field tester for refrigerating capacity of indoor unit of multi-connected air conditioning (heat pump) unit
A multi-connected air conditioner, high-precision technology, applied in the direction of measuring heat, instruments, calorimeters, etc., can solve the problem that the installation effect of multi-connected air conditioners (heat pumps) units cannot be accurately evaluated, and achieve multiple social and economic benefits Effect
Inactive Publication Date: 2013-07-03
曹阳 +1
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Problems solved by technology
[0002] At present, there is no accurate measuring instrument that uses this technology to measure the cooling capacity of the indoor unit of the multi-connected air conditioner (heat pump) unit at the project site, so the installation effect of the multi-connected air conditioner (heat pump) unit cannot be accurately evaluated.
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[0011] According to the completed system of JGJ174-2010 "Multi-connected Air Conditioning System Engineering Technical Regulations", select the indoor unit, connect the instrument with the indoor unit under test according to the method shown in the attached figure, and control the temperature at the return air outlet in the heat insulation and humidity insulation box. After the humidity meets the test requirements, test the input power, humidification water volume and water temperature per unit time, and calculate the cooling capacity of the indoor unit.
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A high-precision field tester for refrigerating capacity of an indoor unit of a multi-connected air conditioning (heat pump) unit is used for precisely measuring the refrigerating capacity of the indoor unit of the multi-connected air conditioning (heat pump) unit on a construction work site. The tester is butted with the indoor unit to be measured by adjusting a lifting device to ensure no air leakage; after passing through a flow equalization grid, outflow air from the indoor unit is guided back to an air return port directly by a guide plate; the outflow air is heated and humidified by a heating and humidification component to allow an air state at the air return port to meet requirements; and then the refrigerating capacity of the multi-connected air conditioning (heat pump) unit is determined by measuring heat quantity and water quantity input for balancing the refrigerating capacity and dehumidification capacity. With the adoption of the tester, the refrigerating capacity of the multi-connected indoor unit in an engineering system can be precisely measured, so that a reliable basis is provided for correctly evaluating an effect of the multi-connected air conditioning (heat pump) unit.
Description
Technical field [0001] The invention belongs to an instrument for accurately measuring the refrigeration capacity of the indoor unit of a multi-connected air conditioner (heat pump) unit at the construction site. Background technique [0002] At present, there is no accurate measuring instrument for measuring the cooling capacity of the indoor unit using this technology on the project site, so the installation effect of the multi-connected air conditioner (heat pump) unit cannot be accurately evaluated. Contents of the invention [0003] By measuring the heat and water input to balance the cooling capacity and dehumidification capacity, the cooling capacity of the indoor unit of the multi-connected air conditioner (heat pump) unit is determined, so as to scientifically evaluate the performance of the multi-connected unit in the engineering system after several years of installation and connection. Comprehensive energy efficiency provides a basis for the evaluation of buildi...
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IPC IPC(8): G01K17/00
Inventor 曹阳陈方圆
Owner 曹阳