Small-size high-temperature two-axis acceleration sensor

The utility model relates to the technical field of sensors, in particular to a small-size high-temperature two-axis acceleration sensor. According to the technical scheme, the device comprises an upper shell, an upper base, a lower base and a lower shell, a first through hole and a third through hole are formed in the outer walls of the two sides of the upper base respectively, a second through hole 0 is formed in the upper base, a second step face is arranged on the outer wall of one side of the upper base, and the lower shell is welded and installed in the second step face; by arranging the upper base, the lower base, the upper shell and the lower shell, the effect of improving the equipment quality is achieved, by adopting a split structure, it is guaranteed that the equipment is easy and convenient to assemble, it is guaranteed that the equipment has the high-temperature-resistant performance, the first core body and the second core body are connected in parallel through high-temperature ceramics, and th