The off grid 2700W solar power system with 400Ah LiFePO₄ storage provides continuous energy for highway CCTV and photonic deflection sensors in Shenmu, Yulin, Shanxi. With about 3 days of autonomy and reinforced anti sand, wide temperature design, it keeps deformation and traffic safety data online during blizzards and cold waves while reducing long distance patrol workload.
Validated in semi arid, wide temperature expressway corridors around Shenmu, Shanxi, supporting government disaster prevention and transport safety KPIs:
1️⃣ 2700W PV array + 400Ah storage sized for dual loads
✅ Powers highway CCTV and photonic deflection instruments from one off grid cabinet
2️⃣ ≈3 day autonomy under winter blackout storms
✅ Maintains deformation and traffic video data continuity during blizzards and grid outages
3️⃣ Wide temperature LiFePO₄ battery design（reference range -20℃ to +60℃ Engineering level）
✅ Reduces capacity loss in cold winters and hot, dry summers
4️⃣ Anti sand, anti UV coated PV modules
✅ Limits output degradation from dust storms and long term solar exposure
5️⃣ Reinforced mounting structure for high wind areas
✅ Improves mechanical stability at exposed viaducts and desert cuttings
6️⃣ Smart controller with PV, battery and load telemetry
✅ Enables fault location and performance review without on site visits
7️⃣ SCADA or platform alarms for deformation thresholds
✅ Speeds decision making for lane closure, speed limits and bridge inspection
8️⃣ Zero trenching deployment near highway structures
✅ Avoids civil work risk around abutments, piers and retaining walls
9️⃣ Remote O&M reduces patrol frequency ≥60%
✅ Lowers personnel exposure on long high speed road sections
🔟 Configurable PV + battery capacity for bridges, tunnels and slopes
✅ Supports standardization of energy design across multiple transport monitoring assets
| Buyer Query | Intent Focus | Anchor Section |
| solar system for highway cameras | Power reliability in winter | Section 2 |
| PV solution for photonic deflection sensors | Wide-temperature battery | Section 2 |
| anti-sand power system | Wind-resistant design | Section 2 |
| remote O&M for expressway stations | Patrol reduction & safety | Section 3 |
| solar vs grid for desert expressways | Lifecycle savings | Section 3 |
✅ Frequent snowfall, cold waves and sandstorms
✅ Rapid temperature swings cause condensation & material stress
✅ Desert terrain → scattered stations with long patrol routes
✅ Grid power interruptions affect road-safety monitoring
📌 Risk Impact
Power loss → delayed road closure decisions → increased accident & infrastructure-failure risk
👉 This solar + storage system mitigates that risk through wide-temperature autonomy + wind-sand protection + remote warning tailored to Yulin, Shanxi.
| Component | Specification (This Project) | Design Purpose |
| PV Array | Multi-panel ~2700W | Wind-sand coating for long-sunshine desert |
| Battery | 400Ah LiFePO₄ | Reliable under sub-zero winter storms |
| Autonomy | ≥24h | Dual-device continuous monitoring |
| Controller | MPPT Smart Charger | High yield under fast climate variation |
| Energy Cabin | Insulated, sealed composite | Resist sand ingress & thermal shock |
✅ Works under snowstorms, sandstorms & strong solar irradiance
✅ Supports CCTV + photonic deflection devices simultaneously
| Cost/Risk Item | Traditional Power | This Solar System |
| Cable trenching | High | None (no-dig deployment) |
| Patrol frequency | Very high | Reduced ≥50% |
| Emergency risk window | 10–30 min | ≤5–10 min alerts |
| Environmental adaptation failures | Seasonal issues | No incidents observed in 2025 |
| KPI | Before Solar Upgrade | After Deployment |
| Monitoring continuity | 70–90% | ≥98% |
| Weather-induced failures | Frequent | 0 recorded |
| Patrol visits | 4–7/week | 1–3/week |
| Alert response | 10–30 min | ≤5–10 min |
📌 Verified by highway monitoring teams in Yulin, Shanxi during 2025 field operations.
A: Yes. The 2700W PV + 400Ah LiFePO₄ configuration in Shenmu, Shanxi is engineered for about 3 days of autonomy, keeping highway CCTV and photonic deflection sensors online during consecutive blackout and blizzard periods.
A: Anti sand, anti UV coatings on the PV modules and periodic cleaning guidance limit power loss from dust deposition, which is common on North West China desert highways.
A: The LiFePO₄ battery uses wide temperature cells and a managed cabinet design, helping to control temperature fluctuation and reduce capacity decay in both cold winters and hot summers.
A: Yes. It is designed for continuous operation of photonic deflection instruments and related sensors, providing stable DC power for long term bridge and pavement deformation tracking.
A: When connected to SCADA or a monitoring platform, deformation and power alarms are typically pushed to responsible teams within a few minutes, supporting earlier lane closure or speed reduction decisions.
A: Local logging and fault records are kept in the control system, so events during communication loss can be analysed later and used as evidence for safety and maintenance reports.
A: Continuous data from highway cameras and deflection sensors shortens the time needed to judge structural risk, which helps government agencies and operators act before minor deformation grows into serious damage.
A: Yes. Remote monitoring of power status and instrument operation allows teams to focus on targeted inspections, which has reduced patrol frequency and vehicle mileage in similar North West projects.
A: No. The system is pole or foundation mounted near existing monitoring points, avoiding long distance trenching works that are costly and disruptive alongside live expressways.
A: Yes. Shenzhen Kongfar Technology can provide technical proposals, single line diagrams and CE / EMC / IP related documentation to support government procurement, design institute studies and EPC bidding in North West highway and bridge projects.
✅ Field-proven in northwest desert climate (Yulin, Shanxi deployments)
✅ Wide-temperature storage verified in sub-zero storms
✅ Predictive O&M improves traffic safety decision speed
✅ Engineering design review ≤48h for tender submissions
✅ OEM/ODM capacity supporting transportation agencies & EPC contractors
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Verified NW China expressway deployments（Shenmu 2025）
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