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Waterproof test method of IP67 waterproof detector for intelligent heart rate meter

We all know that heart rate control plays an important role in exercise. For the sake of health, even in sports, we should keep the heart rate in a certain range, otherwise accidents will occur. Therefore, it is an important thing for sports lovers to wear a heart rate meter and observe their body changes in real time. In general, if the heart rate meter meets with water or sweating too much, it will not work or the heart rate displayed is inaccurate. In order to solve this problem, the manufacturer has recently launched a waterproof heart rate meter, whose waterproof grade is IP67.

心率计防水检测设备-海瑞思科技

Figure: water proof testing equipment of heart rate meter

In order to test whether the heart rate meter can meet our waterproof standard, the manufacturer will add the waterproof test process in the last production process of the product. Heart rate meter, a small electronic product, is usually used for air tightness detection. Hiris technology has been specialized in air tightness testing equipment for 11 years, providing a full set of air tightness testing services. This article introduces the intelligent heart rate meter IP67Waterproof detectorWaterproof test method.

心率计气密性检测工装和模具-海瑞思科技

Figure: air tightness inspection tooling and die of heart rate meter

There are two pressure test methods for the waterproof performance of the test instrument: positive pressure test and negative pressure test. Generally speaking, positive pressure test is to fill the test product with a certain amount of compressed gas, and observe the change of gas in the product to judge whether the product is qualified. Negative pressure test is to pump air to the product and vacuum the inside of the product to observe whether the external air will enter the product because of the pressure difference, so as to judge whether the product is qualified.

心率计防水测试检测仪-海瑞思科技

Figure: details of water proof test for heart rate meter

This test product is a heart rate meter. The customer requires negative pressure for waterproof test. According to the customer's product characteristics, there is a waterproof vent on the product. We can pump air from the waterproof vent and conduct air tightness test by direct test method. The waterproof grade to be tested by the customer is IP67, which corresponds to the underwater pressure of one meter, equivalent to 10.5kpa, so we set the test air pressure to be - 10.5kpa and the upper limit of leakage to be 0.1. According to the customer's test requirements, the intake time is 5S, the pressure stabilizing time is 8s, the test time is 5S, and the whole test time is 18S,

According to the product characteristics and requirements of customers, hiris technology has customized this water-proof test equipment for the heart rate meter, which is composed of hiris HL leader series air tightness tester and customized tooling. Connect the instrument and tooling with air source and power supply. After placing the test product, the waterproof test can be started.

HL leader series is the latest product launched by Harris, which integrates many years of experience and technology accumulated by Harris, and integrates the future intelligent gene. It is a high-end instrument mainly developed for high-precision pressure requirements and complex test process. It can easily cope with various complex working conditions, integrates Internet of things and AI technology, supports a variety of communication protocols, and is convenient for docking with MES system; It is very suitable for modern intelligent factory.

HL领袖系列气密性检测仪-海瑞思科技

Figure: HL leader series air tightness tester

The features of HL leader series air tightness tester are as follows:

1. The whole system is equipped with automatic pressure regulating module, which can realize a variety of pressure sequence tests, and has two inflation modes of fast inflation and uniform inflation;

2. Using the latest hi-os2.0 system, the interface is more friendly, easy to operate, a number of humanized improvements. With "IVT" pneumatic sealing valve island, more than 20 test methods can be derived;

3. Learning function based on AI technology; Pressure, time and judgment standard can automatically find out the best result and choose the best test time through multiple learning in the test process, which greatly reduces the difficulty of setting and makes it easier to start;

4. More than 200 groups of subroutines, each group of subroutines can be programmed separately, can be selected and combined to meet various complex test requirements;

5. New pressure sensing chip, automatic environment drift correction, sensor zero automatic calibration; With the patented "intelligent differential pressure" algorithm, the minimum resolution is better than 0.1pA, which has won the national patent;

6. Multiple communication protocols and interfaces: built in RS232, RS485 serial port, RJ45 network port, USB communication interface, LTP external I / O control port, supporting TCP / IP MODBUS can bus protocol;

7. Powerful Internet of things function. The upper computer monitoring software is optional to realize remote management, monitoring and quality traceability. And it can connect with MES system;

8. Bar code scanning function and printer can be purchased to facilitate product data management and quality traceability. Up to 200000 historical records of the instrument can be exported to the computer in batches;

9. A variety of pressure regulating components and ranges are available, and the pressure range is wide (- 100KPA & amp; mdash; 2MPa) optional;

10. With all-round technical R & D support, we can develop targeted instruments according to your requirements. For example, pressure and flow hybrid instrument, test function can also be customized, such as mature: Micro product detection function, battery pack detection function, etc;

11. A variety of accessories are available, including inflatable bypass, quick connector and standard leak. At the same time, the instrument supports third-party calibration and can issue calibration report.

Related reading:Case sharing of smart watch detection with air tightness detector

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