Against the backdrop of accelerating the construction of smart grids, the operation and maintenance safety of transmission lines face a dual challenge: it is necessary to prevent tower foundation damage caused by external forces, and to achieve real-time visual monitoring of tower status. Launched by Hangzhou Xunji Information Technology Co., LtdXJ-TX105Multi camera intelligent monitoring all-in-one machine, through multi camera collaborationAIThe deep integration of front-end and ultra-low power design creates an all-weather, multi-dimensional intelligent protection system for transmission lines.

1、 Multi camera collaboration: a technological breakthrough in full scene visual coverage

This device adopts'Five camera integration'The three-dimensional monitoring architecture breaks through the blind spots of traditional single camera devices:

Dual channel main camera system: Front end1600Ten thousand pixel white light/200Ten thousand pixel night vision camera with synchronized deployment of dual cameras of the same specifications at the rear, achieving seamless coverage in the front and rear directions of the tower. In±30°Under inclined installation conditions, it can still be maintained1080PClear imaging with high resolution.

Bottom view monitoring module:200Ten thousand pixel wide-angle camera75°Monitor the surroundings of the tower base at a downward angle and ensure it through distortion correction algorithms5The accuracy of object recognition within a meter range reaches98%The actual test data of a provincial power grid shows that this design enables the detection of external damage events to be timely30Minutes shortened to8In seconds.

Intelligent fill light mechanism: built-in infraredLEDWith white flashing lights, in0.001luxAutomatically trigger supplementary lighting in extremely dark environments to ensure clear identification of targets such as construction machinery and wildfire smoke at night.

IIAIFront end: real-time response capability of edge computing

Equipment integrationNPUAccelerate the chip and build a three-level intelligent recognition system:

Front end feature extraction: directly complete the extraction of flames and smoke on the image sensor endRGBFeature analysis, throughYOLOv7The algorithm achieves millisecond level response. Actual testing shows that3The recognition accuracy of flames within a meter range reaches99.2%.

Multi objective classification algorithm: supports cranes (confidence threshold)0.92）Excavator（0.89）Wait, wait8Real time recognition of construction machinery, algorithm model volume compression to2.3MBAdapt to the operation of embedded devices.

Abnormal behavior analysis: Through spatiotemporal feature fusion technology, tower tilt (angle error) can be identified<0.1°）Wire dancing (frequency error)<0.05Hz）Waiting for dynamic risks, generation time of warning information<500ms.

3、 Ultra low power consumption: Energy management for long-term outdoor operation

For passive outdoor environments, the equipment adopts three core energy-saving technologies:

Dynamic power adjustment: automatically switches working modes based on light intensity, only activates the downward facing camera in strong light environments (power consumption)<2W）When operating at full capacity at night, the total power consumption is controlled within8WWithin.

Lithium iron phosphate energy storage system:6.4V/30AHBattery pack coordination60WSolar panels, in continuous operation7Can still be maintained under cloudy and rainy weather72Working continuously for hours. Verification of a Northwest Power Grid Project: Annual Average Number of Power Outages in the System<0.3Next time.

Sleep wake-up mechanism: During non alarm periods, the device enters deep sleep mode and achieves hourly sleep through Beidou short messages1Secondary positioning data feedback with reduced power consumption compared to continuous online mode92%.

4、 Communication architecture: Multi mode fusion transmission guarantee

The device supports flexible switching between three communication methods:

Wireless private network priority:4G/5GDual card dual standby design, in case of main card failure0.5Automatically switch to the backup card within seconds to ensure alarm information99.99%The success rate of transmission.

OPGWOptical communication backup: through reservedSCFiber optic interface, capable of connecting to special power optical cables, realizing20kmLossless transmission within distance, with stable latency15msWithin.

WAPIAd hoc network emergency: automatically set up in case of public network failureMeshnetwork10The network coverage radius of the equipment reaches3kmMeet the communication needs of emergency repair scenarios.

5、 Engineering Application: Operation and Maintenance Upgrade from Prevention to Warning

In a certain location of Southern Power Grid500kVIn the process of line renovation,XJ-TX105The device demonstrates significant application value:

External destruction event interception: the system accurately identifies and alerts12Violation of construction regulations to avoid3Tower foundation damage accident, recovering direct economic losses exceeding800Ten thousand yuan.

State assessment optimization: through continuous collection of tower tilt data (sampling frequency)1time/Establish a digital twin model to shorten the tower health assessment cycle from annual to monthly.

Reduced operation and maintenance costs: The automatic generation of inspection reports by equipment replaces manual on-site verification, resulting in a decrease in annual operation and maintenance costs for a single line47%Reduced personnel input62%.

This device has passed throughIP67Protection (can withstand)1Immersion in meters of water depth)-40℃~70℃Features such as wide temperature range operation have been implemented nationwide23A province's800The remaining lines are operating stably. Its technological innovation not only improves the level of power grid security protection, but also provides intelligent operation and maintenance'perception-analyze-decision'The complete solution marks the entry of transmission line monitoringAIDriven by a new era.