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Test device for multiple circulation heating heat pump hot water machine performance

A heat pump water heater, multi-cycle technology, applied in measurement devices, fluid heaters, lighting and heating equipment, etc., can solve problems such as unrealizable and unattainable requirements, and achieve the effect of improving measurement accuracy and ensuring accuracy

Active Publication Date: 2007-04-11
HEFEI GENERAL ENVIRONMENT CONTROL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, since the bottom surface of the water tank is horizontal, it is impossible to completely discharge the test water in the water tank after the test is over.
Such a water tank cannot meet the requirements of the multi-cycle heating heat pump water heater test device for variable volume water tanks

Method used

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  • Test device for multiple circulation heating heat pump hot water machine performance
  • Test device for multiple circulation heating heat pump hot water machine performance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Referring to Fig. 1, the performance test device of a heat pump water heater with multiple circulation heating includes a thermal insulation (replenishment) water tank 23, a variable volume water tank 6, a temperature-controllable test environment 11 on the heat source side, a water supply pipeline 1, a use side pipeline 9 and Heat source side pipeline 22. A pipeline on the use side of the variable volume water tank 6, that is, the water outlet 24, is connected with the circulation water pump 7 on the use side and the water inlet port 16 on the use side of the tested machine, and the other pipe, that is, the return port 27, is provided with a flow rate on the use side. The measuring sensor 8 and the pressure difference measuring sensor 10 at the water inlet and outlet on the use side are connected to the water outlet port 15 on the use side of the machine under test.

[0028] One side of the heat preservation (replenishment) water tank 23 is connected with the replenish...

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Abstract

The performance testing device for multiple circulation heated heat pump water heating machine features the heat insulating water tank connected through water replenishing pump, flow rate sensor and solenoid valve to the water replenishing port of the variable volume water tank; the use pipeline in the other side of the variable volume water tank; the temperature sensor interfaces in the water outlet and side wall of the variable volume water tank; the water replenishing port and water returning ports on one side wall of the water tank. The present invention can form homogeneous temperature field, and has high test accuracy.

Description

technical field [0001] The invention relates to a performance test device for a heat pump water heater. Background technique [0002] Heat pump water heater (apparatus) (abbreviation: unit) is a steam compression cycle driven by a motor to transfer the heat of a low-temperature heat source (air or water) to a higher temperature heated water to produce domestic hot water and heating heat. water equipment. The unit is generally composed of compressors, condensers, filters, expansion valves, evaporators and other components. [0003] According to the way the unit provides heat source, the unit can be divided into: air source type and water source type. The so-called heat source method refers to the way the evaporator obtains heat. The air source unit heats the refrigerant liquid in the evaporator through the air to evaporate it into steam; the water source unit heats through the water source. [0004] According to the heating method of the unit, it can be divided into one-t...

Claims

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Application Information

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IPC IPC(8): G01M19/00G01D21/00G01K17/06G01K17/10F24H4/04G01M99/00
Inventor 樊高定史敏张秀平王博程立权王磊
Owner HEFEI GENERAL ENVIRONMENT CONTROL TECH
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