As a device that converts electrical energy into magnetic energy, electromagnets have been widely used in modern home appliances due to their high efficiency, controllability and rapid response. It generates a magnetic field by powering on, and the magnetic field disappears after powering off, which can achieve precise control and operation. The following will introduce the working principle of electromagnets, their application in home appliances, and specific cases.
1. Working principle of electromagnets
The core principle of electromagnets is the magnetic effect of current. When current passes through a coil, a magnetic field is generated around the coil. If an iron core is inserted into the coil, the iron core will be magnetized, further enhancing the strength of the magnetic field. By controlling the on and off and size of the current, the strength and direction of the magnetic field can be accurately adjusted. This feature enables electromagnets to achieve automatic control and efficient operation in home appliances.
2. Application of electromagnets in home appliances
The application of electromagnets in home appliances is mainly reflected in the following aspects:
Control function: used for the control of switches, valves, locks and other components.
Power drive: as the core component of a motor or actuator, it provides power.
Sensing and feedback: used to detect and feedback the status of the device to achieve intelligent operation.
The application of electromagnets makes home appliances more intelligent, energy-saving and efficient.
3. Specific application cases
3.1 Drain valve control in washing machines
Principle: The drain valve of a washing machine is usually controlled by an electromagnet. When the washing machine needs to drain, the control circuit is energized, the electromagnet generates magnetic force, pulls the valve open, and drains the sewage; after the drainage is completed, the power is turned off and the valve is closed.
Advantages: fast response speed, precise control, and automatic drainage.
3.2. Compressor in refrigerator
Principle: The electromagnet in the refrigerator compressor is used to control the start and stop of the compressor. When the temperature in the refrigerator reaches the set value, the electromagnet is energized to start the compressor; when the temperature drops, the electromagnet is powered off and the compressor stops working.
Advantages: energy-saving and high efficiency, extending the life of the compressor.
3.3 Induction cooker
Principle: The induction cooker uses the alternating magnetic field generated by the electromagnet to generate eddy currents at the bottom of the pot, thereby heating the food. When the coil inside the induction cooker is energized, a magnetic field is generated, and the magnetic field penetrates the bottom of the pot to make it heat up.
Advantages: fast heating speed, high thermal efficiency, and good safety.
3.4 Motor in vacuum cleaner
Principle: Electromagnets are used in the motor of vacuum cleaners. After power is turned on, the electromagnet generates a rotating magnetic field, driving the motor to rotate, thereby driving the fan to generate suction.
Advantages: strong power, stable operation, and low noise.
3.5 Smart door lock
Principle: The electromagnet in the smart door lock is used to control the extension and retraction of the lock tongue. When the user verifies through a password, fingerprint or mobile phone APP, the electromagnet is energized, the lock tongue retracts, and the door lock opens; after power is off, the lock tongue pops out and the door lock closes.
Advantages: high security, convenient operation, and support for remote control.
3.6 Water pump control in coffee machine
Principle: The water pump in the coffee machine is driven by an electromagnet. When the user starts the coffee machine, the electromagnet is energized, pushing the water pump piston to press water into the heater; after power is off, the piston resets to complete a water supply cycle.
Advantages: precise control, stable water flow, and ensure the taste of coffee.
electromagnets in home appliances has greatly improved the automation level
The application of electromagnets in home appliances has greatly improved the automation level and energy efficiency of equipment. From the drain valve of washing machines to the compressor of refrigerators, from the heating system of induction cookers to the safety control of smart door locks, electromagnets have become an indispensable core component of modern home appliances with their high efficiency, reliability and precision. With the continuous development of technology, the application of electromagnets in home appliances will become more extensive, bringing more convenience and intelligent experience to people’s lives.
Shengfeng focus on customized electromagnets
In today’s world of rapid technological development, electromagnets, as an indispensable key component in modern industry, are widely used in automation, automobiles, medical equipment, aerospace and other fields. Shengfeng Electromagnet Co., Ltd., as a leader in this field, has been committed to the design, production and innovation of electromagnets since its establishment. With excellent quality, professional services and continuous technological innovation, it has won the trust and praise of customers.
About SF electromagnet factory
Shengfeng Electromagnet Co., Ltd. was established in 2015 and is located in the Xiansha Industrial Park with beautiful scenery and convenient transportation. The company covers an area of 16000 square meters and has modern production plants, advanced production equipment and a high-quality technical team. Since its establishment, we have always adhered to the corporate philosophy of “innovation, quality, and service”, focusing on the research and development and production of electromagnets, constantly promoting product upgrades and technological progress, and providing customers with the best quality products and services.
Why choose SF electromagne
HIGH END QUALITY:As the best solenoid electromagnet manufacturer in china, our QC team will ensure every single product you receive are best quality. We have professional quality testing machine.
PRODUCT DESIGN:Our sampling department has complete process of making drawings into reality. We also improve your product design based on our years of working experience.Tell us what you think.
STABLE DELIVERY TIME:As the best electromagnet manufacturer & supplier,we have sufficient manufacturing capacity, big orders won’t beat us, we can still deliver the order for you in time.
BEST PRICE:We are source factory of electromagnet and the best solenoid manufacturer in China, that’s why we can provide high quality bags with best price.
PRECISE MANAGEMENT:Nothing can be achieved if we don’t implement precise management. We are a company with complete management system.
7-24 SERVICE:As the best solenoid manufacturer, 24-7 immediate response: We’ll receive your feedback to make us a better supplier.
FAQs of electromagnet
We are a Chinese top electromagnet manufacturer and our factory is located in Dongguan. Welcome to visit our factory!
We pecialize in the design and production of high quality electromagnet,solenoid valve,such as rotary solenoid, bistable solenoids, latching solenoids, open frame solenoids, tubular solenoids, self-holding solenoid
•Of course, usually we will provide free samples, and you only need to cover the freight. For custom electromagnet samples, pls send your requirements to us for checking the sample cost.
• It takes about 7 days for sample production.
Yes, we provide free design services, structural design and simple graphic design.
Sure. We can do any electromagnet with your design. Now we open a ODM solenoid which is for small quantity from 100pc to 500pc,but you can still have your own logo.
Depending on the order quantity and production details, it will take about 15 to 20 days.
Always a pre-production sample before mass production; Always final Inspection before shipment
• Power,usage,size, material, quantity, shipping destination, etc.
• You can also just tell us your requirements and we will recommend products to you.
• By sea, by air or by express.
• If you have your own freight forwarder in China, it is the ex-factory or FOB price.
•CFR or CIF, etc., if you need us to ship on your behalf.
• DDP and DDU can also be used.
• More choices, we will consider your choices.
• The price is determined by the quantity, material, processing method, size and other factors. In addition, due to our continuous
technological innovation, the prices of some of our products are extremely competitive, please contact us to quote.
