As a flame-proof explosion-proof lamp, there must be a certain light-transmitting part. At present, our country is basically made of glass material and is fixedly installed on the cavity of the explosion-proof lamp. Therefore, these glass transparent parts of flameproof lamps must not only meet the impact test and thermal shock test requirements of the transparent parts in the general requirements of GB3836.1, but more importantly, they must withstand the dynamic strength specified in GB3836.2 test. This requires that these transparent glass parts need to have sufficient strength, that is, they must have sufficient thickness and a certain geometric distribution, and undergo processing such as tempering. When designing transparent glass parts, we must pay attention to the reasonable selection of glass thickness and the determination of shape. Everything is premised on avoiding uneven stress in the finished product of the transparent parts, and at the same time, it is necessary to ensure that there is no sudden change in thickness. The main advantages of glass are that it can maintain co-physical and light transmission properties under high temperature, ultraviolet radiation and long-term humid conditions, the surface is resistant to scratches by hard particles, and it is allowed to be immersed in water or organic solvents without producing Stress cracks or corrosion. The main disadvantage of glass is its brittleness and low tensile strength. In order to make up for these shortcomings, when designing the assembly structure of the glass transparent part and the lamp body, a gasket is usually inserted between the glass transparent part and the metal parts of the lamp housing to prevent point contact with the metal parts of the housing and damage the glass transparent part. In order to prevent the impact of solid foreign objects from breaking the glass transparent parts, the commonly used method is to add a grille to protect it. If the grille is not installed, the glass transparent parts must pass the high-energy impact test specified in GB3836.1.