Rapid Testing of Household Appliance Safety and Quality
Abstract Household appliances are widely used in daily life, and their safety performance is crucial. This article explores the application of rapid testing in the quality and safety supervision of household appliances in Shenzhen, focusing on aspects such as the rapid testing process, testing items, testing equipment, and on-site testing operations. It analyzes the problems […]
Discussion on the Construction of Information Management System Architecture for Energy Efficiency Laboratories in Household Air Conditioning Enterprises
Abstract The transformation of enterprises into digital entities is becoming increasingly urgent. With the trend towards digitization, many issues arise when enterprises build Laboratory Information Management Systems (LIMS) platforms, such as insufficient resources, inconsistent goals, outdated management modes, and difficulties in equipment upgrades. To address these challenges, enterprises need to implement three aspects of cognition […]
Research and Application of the Sealing System in Steam Ovens
Abstract The issues of air and water leakage in steam ovens are among the core challenges in the industry, and the reliability of the door sealing system is a crucial indicator of product quality. This paper confirms the design scheme, conducts practical testing and verification, and repeatedly analyzes, verifies, and improves to resolve various anomalies […]
Study on Intelligent Test Criteria for Ovens
Abstract With the development of the Internet and artificial intelligence technology, many household appliances have entered the smart era, providing more convenience for daily life. Smart electric ovens help enhance the quality of life. The demand for smart electric ovens is continuously increasing. The release of the “Smart Electric Oven” group standard fills the standard […]
Heat Exchanger Performance Test
Model CHN.GB/EURO/USA/AUS etc Voltage 380V~/50Hz Brand KingDa Category Laboratory Material Made according to relevant standards Feature Customized according to technical agreement Comm. method TCP/Rs232/Rs485/Wifi Specification model: Specifications and models can be selected according to customer requirements, such as water system or refrigerant circulation system, etc. According to the standard: GB∕T 39557-2020 Household refrigerator heat exchanger; 1.product description: The refrigerator condenser and evaporator […]
Reverberation Room
Model Non-standard customization Voltage 380V~/50Hz Brand KingDa Material Made according to relevant standards Feature Customized according to technical agreement Product description: The acoustic reverberation room is a laboratory that can reflect all sound energy on all boundaries and fully diffuse it so as to form a diffuse field with uniform energy density everywhere and random distribution in each direction of […]
Operating Principle, Fault Analysis, and Preventive Maintenance of Ultra-Low Temperature Freezers
1. Operating Principle of Ultra-Low Temperature Freezers Ultra-low temperature freezers typically use a cascade refrigeration method. In an ultra-low temperature freezer, there are generally two hermetic compressors used as high temperature and low temperature compressors. When the power is turned on, if the set temperature is lower than the temperature displayed on the freezer panel, […]
Research on Overflow Faults of Fully Automatic Washing Machines
Abstract This paper introduces a method for troubleshooting and eliminating overflow alarm faults in fully automatic washing machines. It combines theoretical analysis with actual laboratory test results to confirm the fault causes through software and hardware analysis. Ultimately, it optimizes the control logic for overflow faults and the factory inspection methods for liquid level sensors. […]
Design of an Anechoic Room for Air Conditioner
Abstract An anechoic room for air conditioners was developed based on GB/T 6882-86, which is used for testing the noise of air conditioners to determine if they meet national noise standards. Test results indicate that the anechoic room’s sound insulation and absorption performance meet design requirements. The free sound field and measurement error within the […]
Design of a Testing Fixture for Refrigerator Fans
Abstract This article develops and designs a fan testing fixture based on the complex operational processes involved in troubleshooting refrigerator fan failures in existing refrigerator laboratories. The device includes a control panel, mainboard, power supply, tachometer, and decibel meter. The mainboard consists of a PWM generation chip, which is electrically connected to the tachometer and […]