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Device and method for testing performances of commercial circulating heat pump water heater

A heat pump water heater and testing device technology, which is applied to measurement devices, calorimeters, instruments, etc., can solve the problems of large test deviation, large test uncertainty, poor consistency, etc., and achieves simple operation, simple structure, and reduction of interference factors. Effect

Pending Publication Date: 2017-05-31
中标能效科技(青岛)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the influence of heat leakage of pipelines and standard water tanks, this test method and test device itself has a large test uncertainty, so the test deviation is large and the consistency is poor.

Method used

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  • Device and method for testing performances of commercial circulating heat pump water heater
  • Device and method for testing performances of commercial circulating heat pump water heater
  • Device and method for testing performances of commercial circulating heat pump water heater

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Embodiment Construction

[0029] The technical solutions of the present invention will be described in further detail below through embodiments in conjunction with the accompanying drawings.

[0030] The present invention provides a test device for commercial circulating heat pump water heaters, see image 3 , the test device includes a water outlet temperature measuring element 2, a three-way valve 4, a flow meter 5, a standard Water tank 7, water pump 8, water inlet temperature measuring element 3, that is, one end of the water outlet pipeline of the tested machine 1 is connected to the water outlet of the tested machine 1, and the other end is connected with the water inlet pipeline of the standard water tank 7 through the three-way valve 4 One end of the water inlet pipeline of the tested machine 1 is connected with the water inlet of the tested machine 1, and the other end is communicated with the water outlet pipeline of the standard water tank 7 through the water pump 8, and a flowmeter 5 is arr...

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Abstract

The invention relates to a device and method for testing performances of a commercial circulating heat pump water heater. The device includes a water-inlet temperature test component, a water-outlet temperature test component, a three-way valve, a flowmeter and a water pump, wherein the water-inlet temperature test component and the water-outlet temperature test component are arranged at a water inlet of a tested machine and a water outlet of the tested machine respectively and are used for testing the water-inlet and water-outlet temperatures of the tested machine, a first inlet of the three-way valve is connected with a water-outlet pipeline of the tested machine, a second inlet of the three-way valve is connected with a constant-temperature-water water-inlet pipeline, the outlet of the three-way valve is connected with a standard water tank through a water-inlet pipeline of the standard water tank, the flowmeter is arranged on a water-inlet pipeline between the three-way valve and the standard water tank, and the water pump is arranged on a water-outlet pipeline of the standard water bank and is used for transporting heated medium water to the water outlet of the tested machine. The method for testing the performances of the commercial circulating heat pump water heater by using the device includes the steps of preparation, test operation and test calculation. According to the method and device, interference factors are reduced, the heat-pump heating capacity of the commercial circulating heat pump water heater can be accurately tested.

Description

technical field [0001] The invention relates to a commercial circulation heat pump water heater performance test device and a test method, which are mainly used for the performance test of the commercial circulation heat pump water heater and belong to the technical field of air conditioners and heat pumps. Background technique [0002] Heat pump water heaters are similar to air conditioners, except that the heat transfer medium is water, which absorbs the heat from the condenser of the refrigeration system to obtain hot water. The test principle of the heat pump water heater is to calculate the heating capacity of the heat pump water heater by testing the heating water volume and heating time of the heat pump water heater under test. Heat pump water heaters are divided into four categories: primary heating, commercial circulating heating, domestic circulating heating and domestic static heating. The current standard GB / T 21362-2008 test method for commercial circulating he...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K17/10G01K17/12
CPCG01K17/10G01K17/12
Inventor 齐云韩松葛猛
Owner 中标能效科技(青岛)有限公司
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