2 results about "Battery holder" patented technology

The invention relates to the technical field of security and protection equipment, and discloses an Internet-based intelligent gas alarm device, which comprises a machine body, a display screen is embedded in the front surface of the machine body, an alarm horn located on the right side of the display screen is embedded in the front surface of the machine body, a start key is embedded in the frontsurface of the machine body, and a battery holder is embedded in the front surface of the machine body. A fixing shaft located in the left side of the battery holder is embedded in the left side of the machine body, the fixing shaft is sleeved with two connecting pieces, a sealing cover located on the front face of the battery holder is fixedly installed on the right sides of the two connecting pieces, and a receding groove is formed in the front face of the machine body. The Internet-based intelligent gas alarm device is convenient to overhaul and maintain, can avoid the situation that gas leakage is generated in the power failure process and cannot give an alarm, has higher safety, can prevent dust and lampblack from influencing the detection probe, improves the detection accuracy, andreduces potential safety hazards existing in the use process.