Hunan Purification Engineering: Principle and Maintenance of Automatic Induction Blowing System
The principle of the air shower room infrared active induction blowing system can generally be divided into two categories. Simply put, it utilizes the photoelectric effect of semiconductor data. For example, when infrared radiation enters a semiconductor PN junction, it will excite the local charge carriers inside the semiconductor. Under the effect of the built-in electric field in the PN junction, the migration of electrons and holes is generated. If a wire is added to both ends of the PN junction and a load is applied, the change in voltage can be measured at both ends of the load to achieve the intention of infrared induction.
This type is called photon infrared detection (induction), which knows that infrared radiation is inevitably accompanied by thermal effects. When some objects absorb infrared radiation, it will cause changes in the temperature of the object.
The principle of Class II infrared sensing is designed to induce temperature changes in objects through infrared radiation, known as thermal infrared detection.
The entire intelligent circuit board system of the active sensing system detects that the person standing in the sensing area actively activates all devices, and then reaches the active blowing shower. The active door sensing system of the non active door air shower mentioned above.
The operation process of the infrared active induction spraying system processed and produced by the manufacturer: Generally, when a person enters the spraying area of the air shower room, the system will actively induce spraying. After infrared active induction blowing, the fan introduces air from the outside, passes through the primary filter, and is pressed into the static pressure box of the air shower room by the centrifugal fan. After being filtered by the efficiency filter, the clean air is sprayed out at high speed from the nozzle of the air shower room to achieve the purpose of purification.
When the air shower room is in use for a period of time, if the wind speed is very low, the filter of the air shower room should be checked immediately to see if there is too much dust accumulation, and if so, a new filter should be replaced. Generally, it needs to be exchanged every 1-6 months, while filters usually need to be exchanged every 6-12 months.
If the air shower room is unable to actively sense blowing, check the light sensing system in the lower right corner of the air shower room box to see if the light sensing equipment is installed correctly.
If the emergency stop button is red, it means that the air shower room will not blow and only needs to press the emergency stop button from the beginning to operate normally.
3. When the air shower is not working, the first thing to check is whether the urgent switch on the outer box of the disadvantaged shower door can be blocked. If it is blocked, press it quietly with your hand and rotate it to the right to release it.
4. When the fan in the air shower is reversed or the wind speed in the air shower is very low, it is necessary to check whether the 380V three-phase four wire circuit can be reversed. If the wire source of the air shower is reversed, it may cause the air shower fan to not operate or the wind speed of the rotating air shower to decrease, and in severe cases, it may burn the entire circuit board of the air shower.
Article source: Hunan Purification Engineering http://m.xwsk.com.cn/
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