Electric blanket, also known as electric mattress. As the weather gradually gets colder, the temperature increases quickly and the warmth is good, and the electric blanket that is easy to use has become the first choice of many consumers in areas where heating is not ideal. What is the power of the electric blanket? What is the principle of electric blanket? Do electric blankets radiate? Can pregnant women sleep on electric blankets? Do you understand all these questions? I remind you that you should pay more attention to whether you are buying or using electric blankets to avoid accidents.
Introduction to electric blankets
The principle of electric blankets
Electric blankets are mainly composed of heating elements, The base core, fabric, power cord, junction box, control switch, etc., sew the heating element to the base fabric, connect the power cord, and then sew the sewn heating element and the base fabric with a mask. , some are also waterproof.
Electric blanket type
Without signal wire type: ordinary electric blanket. The electric heating alloy wire has a straight shape, and more of it is spirally wound on the heat-resistant core wire and coated with a layer of heat-resistant resin. When the temperature exceeds the predetermined value, power off, temperature control and safety protection.
Power of electric blanket
Generally, the power of single electric blanket is about 60W, and the power of double electric blanket is between 120W-150W. Generally, electric blankets are equipped with There is a temperature control file, and the temperature can be set. Generally, the electric blanket consumes 1 degree of electricity for 25 hours, so it consumes about 0.5 degree of electricity every night.
Electric blanket size
Generally, there are 80*195cm/120*200cm/150*200cm and other sizes. How to choose the size of electric blanket? Should choose a size smaller than the bed, will not cause waste of electricity. At the same time, the four corners of the electric blanket will not be wrinkled, and the wires in the four corners will not be damaged.
Hazards of electric blankets
Does electric blankets radiate?
When electric blankets are energized, they will generate an electromagnetic field and generate electromagnetic radiation. The use of electric blankets has been recognized by relevant departments. A good electric blanket, whose radiation value is within the acceptable radiation range of the human body, can be used with confidence. However, for some special groups, such as pregnant women and children, they need to be vigilant. It is recommended not to use electric blankets to keep warm. The most direct and effective way to prevent the radiation of the electric blanket is to fully preheat before going to bed, and disconnect the power supply when sleeping, so that the radiation of the electric blanket can be well prevented.
Hazards of electric blankets
1. Fire, scald, electric shock and other accidents
Electric heating Blankets are small household appliances. Since they are electrified, you should be careful. In real life and news reports, fires, burns, and electric shocks often occur due to poor quality electric blankets or improper use. aging, etc.
2. Inducing skin diseases
The electric blanket continuously dissipates heat, which makes the skin moisture evaporate and dry, and the heat source body itself stimulates the skin, causing Some people have skin allergies, itching, or small pimples of different sizes on their bodies, which can bleed, smack, scaling, etc. after scratching.
3. May cause infertility
When the electric blanket is turned on, there will be electromagnetic radiation, which will have an adverse effect on the female endocrine, and the male It is said that the male testicles can only ensure sperm motility at a lower temperature.
Can pregnant women sleep with electric blankets?
The doctor reminded that in order to ensure the healthy growth and development of the fetus in the womb, pregnant women should not use electric blankets for heating in cold winters, but can use warm air conditioners, electric heaters or sleep Use a hot water bottle on your feet and other methods to keep warm, in order to facilitate good pregnancy and eugenics.
Electric blankets are still available for most people. However, for patients with respiratory diseases such as bronchitis, bronchitis, emphysema and asthma, long-term use of electric blankets is likely to aggravate the condition. People with inflammation and allergies should not use it. Patients with bleeding disorders, such as gastric bleeding, tuberculosis hemoptysis, ulcer bleeding or cerebral hemorrhage, etc., because the electric blanket will speed up blood circulation and dilate blood vessels, thereby aggravating bleeding. It is also not suitable for patients with stroke and cardiovascular and cerebrovascular diseases. Infants, children of childbearing age, etc. are not suitable to use electric blankets. The elderly should not use electric blankets for a long time.
How to choose electric blanket
1． Looking at the electric blanket fabric, it feels soft, no peculiar smell, and there is no black cotton sandwich in the light.
2. Look at the electric blanket appliance, the control appliance is exquisitely made, the power cord is of sufficient length, the plug and the wire body have the CCC mark, and the electric blanket wiring is safe and strong.
3. Look at the packaging and the logo, the packaging is exquisite, the self-contained series, the logo is complete, and the procedures are complete. Instructions, certificate, quality tracking card and the electric blanket serial number are consistent, and the electric blanket must have the timing test data tracking.
4. Looking at the fever, the high-grade heating temperature is slightly higher than the human body temperature, and the low-grade temperature is the same as the human body temperature.
How to use the electric blanket
1. Generally, the service life of the electric blanket is 6 years.
2. Do not expose to the sun, bake, iron, or place the electric blanket on metal or hard objects with sharp protrusions.
3. Avoid folding to prevent the heating wire from breaking due to folding and causing fire.
4. Avoid direct contact with the skin. It is best to cover the electric blanket with a towel and bed sheet, which will not only make your body feel more comfortable, but also avoid burns.
5. The heating time of the highest grade should not be too long. It is best to first heat the electric blanket to a comfortable temperature, and then turn off the power and run at a low temperature, which is enough to ensure the sleeping temperature.
6. Do not always insert the plug into the power supply, so as to separate the electrical and mechanical components when not in use.
7. Don’t let children play and jump on the bed covered with electric blankets.
8. Electric heating blankets are suitable for use on hard board beds, but not for Simmons beds, wire soft beds and sofa beds, because the heating wire is easily deformed or broken when stretched or bent after being stressed, causing accidents .
Electric blanket cleaning and maintenance
1. If the blanket surface is not very dirty, just clean the dust and bacteria. First, you can use a vacuum cleaner to clean up the excess dust, and then use the steam iron brush, steam ironing row by row from top to bottom. When operating, be sure to turn off the electric blanket.
2. If the blanket surface is very dirty, you can use the following methods: lay the blanket on the ground, put the switch power supply and the plug in a plastic bag, and do not get wet. Sprinkle laundry detergent or powder on the electric blanket and brush lightly with a brush.
3. When drying, it should not be exposed to the sun, let alone drying, it should be placed in a cool and ventilated place and let it dry naturally.
4. Electric blankets should not be laid on the bed all year round, and should be put away when not in use, which can improve the safety of reuse.
5. Before storing the electric blanket, spread it out flat, plug in the power supply, and let it cool down naturally after 20 to 30 minutes of electrification to remove moisture from the heating wire and electrical components.
6. When storing the electric blanket, you cannot always fold it in one place, and do not forcefully curl and squeeze the electric blanket in order to reduce the storage volume of the electric blanket.
7. Some parts of the electric blanket are chemical products, so don’t put mothballs and the like in them when you store them, so as not to accelerate the aging of plastic parts. To prevent moisture, put some desiccant in the electric blanket.
Electric blanket fault maintenance
1． The electric blanket does not heat up after being energized: This fault is a common fault of the electric blanket. Check whether the power cord is in good condition; whether the power plug is in good contact with the power supply; whether the power switch is in good condition; and whether the heating element is damaged. Use a multimeter to check the terminal connected to the heating element in the power switch. If the resistance value is ∞, the heating element is broken and the heating element should be replaced.
2. Diode temperature adjustment electric blanket temperature adjustment failure: If this fault is manifested in the low temperature block and the temperature is still high, it means that the temperature adjustment diode is broken down; if it is only the high temperature block without the low temperature block, it means the temperature adjustment diode is open circuit, these two cases As long as the diode fault of the same specification is replaced, the fault can be eliminated.
3. Capacitor step-down temperature adjustment electric blanket temperature adjustment failure: If this fault shows that the high and low block temperatures are the same, it means that the capacitor is short-circuited; You need to replace the capacitor with the same specification.
4. The indicator light of the electric blanket is not on but can heat normally: the cause of the failure may be that the LED or neon bulb is damaged, replace it; The resistance value of the resistance is very different, so you should pay attention to it when replacing); if the wiring is soldered or full, it can be re-soldered.
