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Quadruped Robot for Substation & Power Grid Inspection

Autonomous rounds across switchyards, GIS buildings and cable corridors — capturing thermal, visual and meter data that reaches your operations team before a fault does.

Dual-spectrum thermal AI meter reading All-weather GPS-denied navigation
Why utilities buy this

Substations fail between inspection rounds

Thermal faults develop quietly

Loose connections, aging busbars and overloaded feeders heat up over days or weeks. Found late, they become outages; found early, they are a planned maintenance ticket.

Manual rounds are low-frequency

Budget pressure pushes substation rounds to weekly or monthly. Every day between rounds is a blind window — and night-time thermal contrast is when the best data is captured.

Access is restricted, terrain is not flat

Rails and fixed cameras cover a few spots. A legged robot climbs steps, crosses gravel, goes indoors and out — one platform covering the whole site.

What the system does on every round

  • Dual-spectrum thermal + visible inspection of switchgear, transformers, cable joints and busbars, with radiometric data exported to your asset records.
  • AI meter and gauge reading — the robot reads dials and digital displays it passes, logs values with timestamps and flags out-of-range readings.
  • Anomaly alerts with geolocation — a temperature rise above your threshold triggers an alarm pinned to the exact asset on the site map.
  • All-weather patrols — rain, heat or dust; night rounds capture the thermal contrast daytime misses.
  • GPS-denied SLAM navigation — reliable under high-voltage structures, inside GIS buildings and in cable corridors where GNSS is unavailable.
  • Open data interface — reports and alarms feed your SCADA, CMMS or historian through REST API and webhooks.
Substation patrol configuration
Quadruped inspection robot on patrol inside an extra-high-voltage substation
On patrol in a substation — thermal, visual and meter data captured along the route
Typical configuration

Reference specification — adapted to your substation

Thermal cameraRadiometric, e.g. 640×512 resolution, with temperature-range presets for electrical vs. mechanical targets
Visible camera4K with optical zoom for meter and label reading
Meter readingAI OCR for dials, LED/LCD displays and flag indicators; configurable tolerance thresholds
Navigation3D LiDAR SLAM, GPS-denied capable; step and ramp traversal for switchyard terrain
Runtime / chargingPlatform-dependent; auto-dock charging; night-round scheduling supported
EnvironmentalIP67 typical; operating temperature range suitable for outdoor utility duty
SoftwareROS 2 + Python SDK, REST API, dashboard with live map, alarm pinning and CSV/PDF report export
IntegrationAlarm webhooks to SCADA/CMMS; data export compatible with historians and asset systems
Scope note: High-voltage exposure is handled by keeping the robot at your site’s defined safe distances with geofenced patrol routes — your HSE rules remain the authority. Live-line work clearances are respected in route design.
Deployment blueprint

How a power grid deployment typically looks

A reference shape for a quadruped inspection rollout in power grid. Every system is re-scoped to your site — this is the typical starting point, not a fixed offer.

Typical environments

  • Substations & switchyards
  • Transmission & distribution line corridors
  • Cable tunnels & trenches
  • Power-plant boiler & turbine halls

Key constraints

  • Live-equipment safe-distance rules
  • SF₤-insulated switchgear
  • Electromagnetic interference
  • Large outdoor areas
  • Limited access / possession windows

Platform, payload & routine

  • Rugged quadruped (e.g. Unitree B2 / DEEP Jueying X20)
  • Payload: radiometric thermal + partial-discharge (TEV/ultrasonic) + visible 4K
  • Routine: infrared temperature patrol, PD survey, equipment & perimeter inspection
  • Night rounds on a set schedule
What you can expect: Earlier warning of overheating and partial discharge before failure; more frequent inspection within short possession windows; reduced manual close-approach to live equipment.
From assessment to live rounds

Deployment and expected value

Site mapping

Substation layout, assets, terrain, comms and safe-distance rules mapped into patrol routes.

System build & test

Platform and payloads integrated; thermal thresholds and meter-reading models tuned on your asset types.

Commission & handover

Live on site, operators trained, alerts wired into your existing systems.

4–8
weeks to deployment (typical)
24/7
round coverage incl. night thermal
100%
of assets logged per round
REST
API / webhook integration
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FAQ

Questions engineers ask before a pilot

Does the substation need an outage for the robot to inspect?

No. Inspection is completely non-contact and requires no switching. The robot walks a defined route at safe clearance distances agreed with your safety team in advance, and the route is geofenced so the platform physically cannot approach beyond the agreed limit. This is the main reason utilities adopt it — rounds happen as often as you want without a switching programme.

What defects can it actually find on a substation round?

The highest-value detections are thermal: overheating terminations, connector degradation, and load imbalance on busbars and transformer bushings. Beyond thermal, it reads analogue and digital gauges by vision, checks oil levels and leaks, and captures audible signatures associated with corona and partial discharge. Every finding is tagged to the exact asset and position, so trends are comparable round over round.

Does it work at night and in bad weather?

Yes — thermal imaging is unaffected by darkness, and night rounds are where hotspots are often easiest to read. The platforms we integrate carry an IP-rated enclosure for rain and dust, and operate across the temperature range typical of outdoor switchyards. Very heavy icing or standing water beyond the rated depth will stop a round; the robot reports that rather than failing silently.

Can it read our existing gauges, and does it feed our SCADA?

Existing analogue dials and digital displays are read by vision — no replacement of installed instruments is needed. Results export to your SCADA, historian or CMMS through a standard API or scheduled file export, and can stay fully on-premise. We treat SCADA integration as part of the deliverable, not an afterthought.

Map your substation and we’ll scope the rounds

Send us the site size, asset types and current inspection schedule. We’ll come back with a route plan, system configuration and indicative pricing within one business day.

✉ sales@qinqirobotics.com  ·  Response within 24h