Isolation type safety grid application in the design of safety explosion protection system, it is installed on the safety and contain the Ann circuit and the circuit of the device, circuit through the limit of the flow and pressure limiting circuit limits the sent to the scene in the circuits of energy, and prevent the risk of the Ann circuit energy in the series circuit, is an important part of the Ann system.

The safety grid is also known as the security holder. The Ann circuit safety interface, it can in the safety zone (not intrinsically safe) and danger zone (intrinsically safe) two-way transfer between electrical signals, and can limit caused by fault zone to the danger zone of the energy transfer. The general safety grid has the zener security gate and the isolation type safety grid.

This safety type safety grid application in the design of safety explosion protection system, it is installed on the safety and contain the Ann circuit and the circuit of the device, circuit through the limit of the flow and pressure limiting circuit limits the sent to the scene of the Ann circuit energy, thereby preventing the series with the danger of the Ann circuit energy in the circuit, it is called the device context in safety explosion protection system, is an important part of the Ann system.

The equipment associated with this antidetonation system refers to the electrical equipment installed in a safe place, the electrical equipment and the non-benan electrical equipment.