Lateral air supply and return treatment cabinet layout of refrigerator safety performance testing room and method thereof

Abstract

The invention relates to a lateral air supply and return treatment cabinet layout of a refrigerator safety performance testing room and a method thereof. The lateral air supply and return treatment cabinet layout of the refrigerator safety performance testing room comprises an air treatment cabinet and an environmental test chamber, wherein the air treatment cabinet is arranged on a side face of the environmental test chamber; the environmental test chamber is provided with a master air supply pipe and a master air return pipe which are symmetrically arranged up and down; and the master air supply pipe and the master air return pipe are connected with an air outlet and an air inlet of the air treatment cabinet respectively. The method comprises the following steps of: allowing air to flow through a coil pipe of the air treatment cabinet under the action of a fan in the air treatment cabinet; matching an evaporation coil pipe of the air treatment cabinet with an automatic control electric heating pipe for use to control air outlet temperature; distributing air to each air supply branch pipe after the air flows through the master air supply pipe; uniformly supplying the air into the environmental test chamber through an air supply perforated plate; gathering the ventilated air to the master air return pipe through air return branch pipes; and allowing the air to flow through the coil pipe in the air treatment cabinet to adjust temperature so as to finish circulation. Compared with the prior art, the layout and the method solve the problem of site limitation and meet the requirements of temperature, humidity and air speed inside the testing room at the same time.

Description

technical field [0001] The invention relates to a refrigerator test laboratory air return air treatment cabinet, in particular to the layout of the return air air treatment cabinet and the wind speed distribution method of the test laboratory in the household refrigerator safety and energy efficiency comprehensive test system. Background technique [0002] At present, the test condition control of the conventional refrigerator test laboratory is realized through the air supply and return air treatment cabinet installed in the outer center of the longitudinal top. This method can ensure that the temperature, humidity and wind speed distribution in the test chamber meet the requirements of the series standards of GB / T 8059 "Household Refrigeration Appliances". That is, it is realized by symmetrical layout in the width direction, see figure 1 , 2 Examples: Air handling cabinet 1, air supply main pipe 2, return air main pipe 6, environmental test chamber 7, orifice plate 8. Th...

AI Technical Summary

Problems solved by technology

However, when the length and width of the refrigerator test room have been determined, and the length direction of the refrigerator test room plus the width of the air supply and return air handling cabinet cannot meet the determined size conditions, the only way to reduce the number of stations for the refrigerator to be tested The number to meet its symmetrical layout

Therefore, it is necessary to solve the problem of building a refrigerator performance test room with the same length and width as the above without or cannot meet the usual conditions.

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