Precise salt spray testing device

Abstract

The invention discloses a precise salt spray testing device. The device comprises a test box in which a storage rack and a spray tower are arranged, and a drainage device, wherein the storage rack is arranged on the test box and is used for placing a to-be-tested workpiece, the spray tower upwards penetrates through the storage rack to spray salt spray into the test box, the drainage device comprises a water collecting tank, a first plug and a switch structure, the water collecting tank is connected to the lower part of the test box, a first drainage port is formed in the bottom of the test box, and water in the test box can be drained into the water collecting tank from the first drainage port; the first plug can be installed in the first drainage port to plug the first drainage port, and the switch structure is used for driving the first plug to move in the first drainage port so that the first plug can be installed in or separated from the first drainage port to control closing or opening of the first drainage port. According to the precise salt spray testing device provided by the invention, accumulated water in the test box can be discharged in time, the water level is prevented from rising to immerse a test piece, and a test result is prevented from being influenced.

Description

technical field [0001] The invention relates to the technical field of salt spray testing, in particular to a precision salt spray testing device. Background technique [0002] Salt spray refers to tiny droplets containing salt in the atmosphere. Salt spray test is an environmental test that mainly uses artificially simulated salt spray environmental conditions created by salt spray test equipment to assess the corrosion resistance of products or metal materials. When the existing salt spray test chamber is in use, a certain concentration of salt water is atomized and sprayed in a closed test chamber, and the resistance of the tested sample is reflected by observing the change of the tested sample after being placed in the chamber for a period of time. corrosive. [0003] At present, when the salt spray test chamber is used for external corrosion tests, a certain amount of water needs to be injected into the test chamber, so that the temperature in the test chamber can be i...

AI Technical Summary

Problems solved by technology

[0003] At present, when the salt spray test chamber is used for external corrosion tests, a certain amount of water needs to be injected into the test chamber, so that the temperature in the test chamber can be increased by heating the water. During the salt spray test, salt spray is sprayed into the test chamber, and the salt spray deposition will Increase the water level at the bottom of the test chamber, but the salt spray test cycle is longer and the spray time is longer, which will cause the water level at the bottom of the test chamber to gradually rise to the test piece, affecting the test results of the test piece

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