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The lighter is a small fire device

The lighter is a small fire device

The lighter is a small fire device. Mainly used for making fire, smoking, but also for cooking and other fire making. The main components of the lighter are the ignition mechanism and the gas storage box. When the ignition mechanism is in motion, it emits sparks to the gas area to ignite the gas. The ignition mechanism is the most active part in the evolution of the lighter, and it is also the part with a more complex structure. According to the characteristics of the ignition mechanism, lighters can be divided into 6 types: flint steel wheel lighters, piezoelectric ceramic lighters, magnetic induction lighters, battery lighters, solar lighters, and microcomputer lighters. The gas used by the lighter is mainly flammable gas. Gasoline was used in the early days. Nowadays, butane, propane and liquefied petroleum gas are mostly used. After being pressurized, they are filled into the air storage tank, and once released into the air, they absorb heat and vaporize and expand rapidly, making them easy to ignite.

2021-12-09

What are the applications of piezoelectric ceramics? You may have it in your pocket!

What are the applications of piezoelectric ceramics? You may have it in your pocket!

Piezoelectric ceramics are very familiar to us. It is a kind of information functional ceramic material that can convert mechanical energy and electrical energy. In addition to piezoelectricity, piezoelectric ceramics also have dielectric properties, elasticity, etc. It is widely used in medical imaging, acoustic sensors, acoustic transducers, ultrasonic motors, etc.

2021-12-09

Do you know when the lighter was invented?

Do you know when the lighter was invented?

The lighter is a small fire device. Mainly used for making fire, smoking, but also for cooking and other fire making. The main components of the lighter are the ignition mechanism and the gas storage box. When the ignition mechanism is in motion, it emits sparks to the gas area to ignite the gas. The ignition mechanism is the most active part in the evolution of the lighter, and it is also the part with a more complex structure. According to the characteristics of the ignition mechanism, lighters can be divided into 6 types: flint steel wheel lighters, piezoelectric ceramic lighters, magnetic induction lighters, battery lighters, solar lighters, and microcomputer lighters. The gas used by the lighter is mainly flammable gas. Gasoline was used in the early days. Nowadays, butane, propane and liquefied petroleum gas are mostly used. After being pressurized, they are filled into the air storage tank, and once released into the air, they absorb heat and vaporize and expand rapidly, making them easy to ignite. The most primitive lighters are derived from flint igniters. When the trigger with a spring is pulled, the spark will be generated on the flint and ignite the dry leaves. The originator of modern lighters can be said to be the European tinder box in the 16th century and the CHUCK-MUCKRS lighter tin box of the same name. Both of them work on the same principle, and both use a pyrotechnic iron to generate sparks to ignite tinder. The difference is that the fire iron of the tinder box is tied to one side by a chain, while the fire iron box is completely integrated. The latter is the lighter invented by Xia Ronggao of the Xia family in Zhaoqing, Guangdong, China. Modern lighters can be divided into liquid lighters and gas lighters according to the fuel used; according to the ignition mode, they can be divided into grinding wheel lighters and electronic lighters.

2021-12-09

What should I do if the lighter really falls into the pot?

What should I do if the lighter really falls into the pot?

At 2 o'clock in the morning on August 23, 2021, a eater in Changshu, Jiangsu, Mr. Han passed the lighter to dinner. He accidentally dropped the lighter into the hot pot. He quickly left the table when he saw the situation and called the waiter to turn off the hot pot. After waiting for a minute, the waiter went to salvage the lighter, and a few people from Han gathered around the table to watch. Unexpectedly, because the bottom temperature of the pot was still high at this time, the lighter still exploded, and the soup splashed out, causing the surrounding people to have varying degrees. Burns, Han's injury is not serious after treatment.

2021-12-09

Low-temperature ultrasonic motor using piezoelectric single crystal substrate

Low-temperature ultrasonic motor using piezoelectric single crystal substrate

The low temperature environment is widely used as the process of manufacturing, inspection, and storage, and the measurement environment using analytical instruments is widely used. In particular, the generalized extremely low temperature environment below 77K is the boiling point of nitrogen, which is considered an important environment for measuring physical properties.

2021-12-09

What is the piezoelectric device in the lighter?

What is the piezoelectric device in the lighter?

The piezoelectric device in the lighter is a piezoelectric ceramic element. Under the action of mechanical stress, the piezoelectric ceramic causes the internal positive and negative charge centers to shift relative to each other and become polarized, resulting in the opposite sign of bound charges appearing on the surfaces of the two ends of the material. Therefore, when the piezoelectric ceramic element is subjected to impact pressure, the mechanical energy is converted into electrical energy, and an instant high-voltage electric spark is emitted at the tip to ignite the fuel.

2021-12-09

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