How Industrial Explosion-proof Air Conditioning Operates
However, industrial explosion-proof air-conditioning equipment and ordinary household air-conditioning are still different in terms of technical parameters; industrial explosion-proof air-conditioning can not help but encounter a variety of technical problems and maintenance of miscellaneous diseases, so we according to the product in different environments The use situation and installation space, combined with the technical feedback of the majority of users in use, through our further sorting to make relevant technical conclusions. (Prompt "depending on the use of each explosion-proof air conditioner and the different technical parameters, the relevant Speech can be provided as a reference, not as a practical standard)
Explosion-proof air-conditioning industry is how to run the operation <br> <br> many users puzzled, industrial explosion-proof air conditioning which in the end is not the same place in ordinary air-conditioning, and suitable for explosion-proof air conditioning in hazardous areas of environment, how can we secure, stable Working in hazardous locations with explosions, and what explosion-proof treatments have been carried out, today Xiao Bian has analyzed one of the elements of explosion-proof air-conditioning explosion-proof treatment for you!
Explosion-proof air conditioner has the function of limiting pressure and limiting current, and it also has the function of galvanic isolation, which not only provides 24V power distribution for a meter such as pressure transmitter, but also collects and amplifies the input current signal. After the anti-jamming processing is performed, the isolated current and voltage signals are output for use by the following secondary meters or other meters.
Explosion-proof air-conditioning has the function of galvanic isolation. The isolation barrier is usually composed of loop energy-restricting unit, galvanic isolation unit and signal processing unit. The loop energy-restricting unit is the core part of the safety barrier. For the current industrial site, two-wire system is generally needed. Transmission mode distributors, but some special industrial sites not only require two-wire transmission, which not only provides distribution power supply and signal isolation, but also needs safety spark-type explosion-proof performance to reliably prevent high voltage between the power supply and signals. The mixed touch, using current and voltage dual limiting loops, limits the energy entering the hazardous location to a special distribution distributor-safety barrier below the safety rating.
Industrial explosion-proof air conditioning safety barriers, there are basically two types of detection side safety barrier and operating side safety barrier. The detection safety barrier is used together with the two-wire transmitter; the operation safety barrier is used with an electrical converter or an electrical valve. There are also signal input and other types of isolated safety barriers. Because the isolation barrier adopts measures such as pressure limiting, current limiting, and isolation, it not only can prevent dangerous energy from entering the hazardous site from the intrinsically safe terminal and improve the intrinsic safety performance of the system, but also increases the anti-interference ability of the system and greatly improves The reliability of the system operation, 24VDC power supply after DC-AC-DC conversion, the output module circuit needs a variety of voltage.
Industrial explosion-proof air-conditioning has the function of limiting pressure and current limiting, and it also has galvanic isolation function, which not only provides 24V power distribution for a meter such as a pressure transmitter, but also collects the input current signal. After amplification, calculation, and anti-jamming processing, the isolated current and voltage signals are output for use by subsequent secondary meters or other instruments.
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