Among the many testing cases of Hirays, whether in the field of new energy vehicles, smart electronic products, or daily necessities, etc., we have corresponding testing solutions that meet various testing needs. We also put waterproof testing equipment into production lines and have won public praise.With the diversification of testing products, the requirements for waterproof testing equipment are getting higher and higher.

In the market, non-destructive testing of cleaning auxiliary products is still a blank field. The waterproof testing of toilet water inlet valves on the market is nothing more than using water testing to determine whether its waterproofness is qualified. However, such testing methods have many limitations. This time we will discuss the differences between traditional water testing and gas testing.

1. Requirements for waterproofness testing of toilet water inlet valves

1. The shape of the toilet water inlet valve is stick-shaped, with the valve buckle for connection at the top and the blue air valve on the right. The irregular shape is not conducive to detection, and because it is cast with high-precision materials, it is not conducive to waterproof detection;

2. Faced with such a special situation, not only are the requirements for the detector extremely high, but also the non-destructive requirements for the detection process are also very high. The detection results must not only ensure accuracy, but also need to provide a more convenient detection method because of the number of instruments.

Toilet water inlet valve

1. Comparison of waterproof testing methods for toilet water inlet valves

1. Water inspection

At present, many domestic customers are using immersion testing to conduct waterproof testing of products. This method is to put the product into water at a specified depth, observe the number of leaking bubbles and collect them to obtain the leakage rate of the product;

First, we perform special treatment on the product, put the toilet water inlet valve into the water, and the pressure will act on the possible leakage location. We use an upward-turned test tube filled with water to collect the number of bubbles leaking out over a period of time. The bubbles that continue to enter the test tube will replace the amount of water in the test tube. At the end of the test, a certain volume of bubbles will be obtained in the test tube, thereby obtaining the corresponding air leakage rate.

However, this detection method has a limitation. However, the disadvantage of this method is that it requires human observation, and is mostly used for random inspections, or the products need to be dried after full inspection. The test accuracy is low, the cost is high, etc.

2. Gas inspection

Detailed display of the three-channel waterproofness detector of the toilet water inlet valve

In view of the characteristics of the toilet water inlet valve, since the structure of the toilet water inlet valve is interconnected, you can use a front-to-back fixed method to inflate gas into the inside of the toilet water inlet valve to test its waterproofness; in order to meet its large-scale testing needs, Hirays also customized a three-channel waterproofness tester for it. During the test, the instrument will inflate the inside of the toilet water inlet valve through the top.If the toilet water inlet valve is not sealed and air leakage occurs, the leakage value displayed in the instrument will become larger and larger, and the pressure value will decrease at the same time.At this time, you can determine whether the toilet inlet valve is leaking.

Detailed display of three-channel inspection tooling

Using the multi-channel waterproof testing method, it is possible to detect a large number of products at the same time without any impact on the accuracy and stability of the detection. It can also meet the non-destructive testing requirements of the product, save time during testing, and reduce the company's waterproof testing costs;

3. Advantages of using a three-channel waterproofness tester

(1) Save time and cost; this detector can provide three detection channels during detection, and can detect three camera lenses at the same time. The test speed is three times faster than usual, which is more conducive to saving time and cost.It also sets a precedent in the market.

(2) The equipment cost is lower; the three-channel waterproof tester is controlled by three detection equipment to perform the sealing test at three stations. It only needs one person to operate, which streamlines the manpower for the enterprise and optimizes the manufacturer's capital chain.

(3) Strong operability and high efficiency; the tester is also equipped with“Positive, negative”Two pressure forms and 8 basic test modes, which can be selected individually or combined.It uses 24-bit A/D conversion, 32-bit CPU operation, and a completely independently developed industrial control operating system, combined with a full-touch human-computer interaction interface.Built-in RS232 serial port, RJ45 network port, USB communication interface, LTP external I/O control port, supports multiple communication protocols, diversified self-service operations, and combines artificial intelligence with intelligence to enhance the operability of the device.

4. Waterproofness detector parameters of toilet water inlet valve

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