What is an electronic mosquito coil? How does it work?

Electronic mosquito coils use the principle of biomimicry, using computer programs to make computer speakers emit ultrasonic waves similar to those emitted by mosquito predators (such as bats, dragonflies, etc.), to create a noise environment that is difficult for mosquitoes to bear, and force mosquitoes to escape; Or imitate the courtship sound waves of male mosquitoes to make pregnant female mosquitoes "avoid suspicion". The high-frequency sound waves emitted by this electronic mosquito coil are much higher than the hearing range of the human ear, so people cannot hear it, and it will not affect the normal work. Ultrasonic mosquito repellent is theoretically possible.

Some experts believe that the principle of this "electronic mosquito coil" mosquito repellent is similar to the mosquito repellent principle of ultrasonic mosquito repellent, and the frequency, pulse and wavelength of the ultrasonic wave emitted by it have nothing to do with people, and generally will not cause harm to human health. Effect of electronic mosquito coils Although various electronic mosquito coils emerge on the Internet, I have not yet heard of any products that use sound waves to repel mosquitoes with exact results. There have been experts in the academic circles at home and abroad in the study of "sound wave mosquito repellent", although this method is theoretically feasible, mosquitoes do have a certain perception of ultrasound, but due to the complexity of mosquito communication, which sound wave is effective for mosquito repellent, there is not much proof at present, and it is impossible to determine whether these mosquito repellent products are effective before scientific tests.

As far as the current mosquito repellent methods are concerned, relying solely on sound waves is far less accurate than the effect of chemical and physical mosquito repellent.

Electronic mosquito coils use electromagnetic waves to resonate with mosquitoes to repel mosquitoes. I think it's just an operation, the working range is very small, and different species of mosquitoes, and even different individual mosquitoes, have different frequencies that resonate. I haven't heard of any company's products that are effective.

The electronic mosquito coil basically works, because the frequency it emits is to imitate the sound waves of male mosquitoes, to drive away female mosquitoes, male mosquitoes do not bite, and female mosquitoes bite, but the voltage must be guaranteed in use, because the voltage is low will change the vibration frequency of the machine, and the parameters such as working current, so it is better to use a stabilized power supply.

The insecticide (pyrethroid) is sucked into the paper and sold for silver, and the insecticide is evaporated by hot gas.

The mosquito repellent principle of electric mosquito coils is to inhale pyrethrum and other mosquito coils into mosquito coils, heat them and evaporate. Pyrethrum has almost no effect on the human body. Pyrethrum is a special family of plants in the Asteraceae family, and the reason why it is called pyrethroids is because its stamen is rich in an insecticidal active substance called pyrethrin or pyrethroid, which has a dominant insecticidal effect.

The characteristic of pyrethrin insecticide is that it is neurotoxic, once it is touched by pests, it will quickly embed itself in the nervous system of pests, quickly knock down and kill pests, but its characteristic will not work on the nervous system of humans and mammals, nor will it remain in the body of mammals; It also has broad-spectrum insecticidal properties, and because of the complex insecticidal mechanism, it is not easy to develop resistance, and it is easy to quickly decompose into water and carbon dioxide in the natural environment, without leaving any toxic substances.

In fact, the principle of mosquito repellent is the same as that of the traditional disc mosquito coil, which is the same raw material, and the active ingredients of the disc, liquid and electric mosquito coils are all chemical agents with insecticidal ingredients, and the difference is only that their carriers are different. Therefore, it is unscientific to say that smokeless mosquito coils are less harmful than smoked mosquito coils, and electric mosquito coils are less harmful than disc sails with nuclear mosquito coils. However, some counterfeit and inferior mosquito coils contain 666 powder, realgar powder, etc., which will cause chronic poisoning.

If you buy an electric mosquito coil at home, it will bring great convenience to your life, especially the elimination of mosquitoes. So how does an electric mosquito coil work? PChouse will take you to find out.

1. The working principle of electric mosquito coil is to inhale the insecticide into the paper, and use the hot gas to evaporate the insecticide, and the general effect can be maintained for 6 to 8 hours. There is a disadvantage that the effect of the drug is very good when it is first used, and it may be "excessive", and after about 4 or 5 hours, the insecticide will be volatilized, the effect will be worse, and the effect of mosquito repellent will be weakened. Using the principle of capillary, the liquid electric mosquito coil is continuously heated to release insecticide substances, and the shortcomings of the electric mosquito coil can be compensated.

Liquid electric mosquito coils can be used continuously for a long time, about 60 days or so, and can even be released at regular intervals.

2. In fact, the principle of mosquito repellent is the same as that of the traditional disc mosquito coil, which is the same raw material, and the active ingredients of the disc, liquid and electric mosquito coil are all chemical agents with insecticidal ingredients, and the difference is only that their carriers are different. Therefore, the statement that "smokeless mosquito coils are less harmful than smoked mosquito coils, and electric mosquito coils are less harmful than disc mosquito coils" is actually unscientific. However, some fake and inferior mosquito coils contain hexahexae powder and realgar powder, which will cause chronic poisoning.

How electric mosquito coils work:

Using the capillary principle, the insecticide (pyrethroid) is inhaled into the paper, and the insecticide is evaporated by hot gas, and the general effect can be maintained for 6 to 8 hours. The disadvantage is that the efficacy is good when first used, it may be "excessive", and after a period of time, about 4 to 5 hours, the insecticide volatilizes and becomes less effective, and the anti-mosquito effect becomes weaker.

Electric mosquito coils are continuously heated to release insecticide substances, and liquid electric mosquito coils can be used continuously for a long time for about 60 days, and can even be released regularly.

Electric mosquito coil note:

To choose the best electric mosquito coil, the packaging of the regular product should be marked with the manufacturer's specific information, production date, main ingredients and environmental certification marks.

When using an electric mosquito coil to repel mosquitoes, you should first check whether the wires and plugs are in good condition, and then place the electric mosquito coil tablets on the stainless steel gasket in the mosquito coil, and then turn on the power supply.

Unplug the power supply every time you use it, and clean it up after cooling. When dust accumulates on the electric mosquito coil, wipe it with a dry cloth or paper, and do not wipe it with a damp cloth or sprinkle water and other liquids on the electric mosquito coil to avoid causing a short circuit.