ESS10000 Electromagnetic Shock Source
Product Introduction
The electromagnetic shock source uses the amperage force generated by the electromagnetic field in the electromagnetic system to accelerate the hammer and make it reach the kinetic energy required by the impact target. Electromagnetic shock source is composed of energy storage main control box (ESS10000-EC) and electromagnetic impact hammer (ESS10000-S), which can be used as tunnel advance prediction source and ground seismic detection source. Compared with explosive source, electromagnetic source has no bad track risk; Compared with the hammer source, the electromagnetic source has strong energy and high signal-to-noise ratio. The same observation system, surrounding rock class III, electromagnetic source forecast distance can reach 100 m, close to the explosive source; Low construction cost, high working efficiency, safe and controllable; The number of hammering is optional and controllable, greater than 24; Electromagnetic source almost does not need the construction side to cooperate.
The equipment makes the tunnel advance geological prediction have more choices other than artificial source such as hammer blow and electric spark. Compared with explosive sources, the equipment avoids the security risks brought by explosives, complex management procedures, and construction problems, can be stimulated several times, no bad track risk; Compared with manual hammering, the device has higher impact energy and higher signal-to-noise ratio of reflected wave. Compared with the spark source, the electromagnetic shock source voltage is lower, which has higher safety and reliability in a wet tunnel environment. The same observation system, the surrounding rock class III, electromagnetic source forecast distance of more than 100 m, close to the explosive source. The device uses wireless positioning, wireless triggering, wireless control, and other advanced technologies, simple and convenient operation, and resplendent detection TETSP-2 earthquake advance prediction system used together, the construction cost is low, less time, minimal impact on the construction schedule.
Application scenario: urban road/dam leakage/tunnel seismic advance prediction
Figure 2. Construction diagram of electromagnetic shock source
Figure 3. 24-pound sledgehammer source Electromagnetic shock source Explosive source
Surrounding rock velocity:5995m/s Surrounding rock velocity：5876 m/s Surrounding rock velocity：5733 m/s
Figure 4 Spectrum analysis diagram
Figure 5 Forecast interpretation chart
From the top down 24- pound sledgehammer, electromagnetic impact source, explosive source. The prediction effect of electromagnetic shock source is close to that of explosive source.
· size weight: energy storage control box (360 × 265 ×290mm; 22.9kg), electromagnetic impact hammer (∅220×1300 mm; 26.2 kg);
· drive power supply: built-in, single charge can use number ≥ 500；
· single impact energy:≥1200 J；
· tunnel advanced prediction effective detecting depth:≥100m；
· excitation signal band width:0.1-1200 Hz；
· control mode: panel/wireless remote control operation;
· mobile construction way: portable+ portable/shoulder straps；
· synchronized trigger mode: synchronous trigger switch (no drilling, holding press) + wired/wireless transmission;
· Energy exchange mode: Direct coupling (no drilling, little damage);
· average single-point construction time：≤3~5s.
