Complaint
Missing and damaged manhole cover ?
Unable to repair in a timely manner ?
Causing personal injury or death accidents.
Causing loss of life and property.
Complex environment,Diversified ownership,old and in disrepair roads ,
causing missing asset information for the tube well.
Electrical fire occurs in the pipe well,Unable to quickly locate accident points and handle them in a timely manner.
Underground cables are often worn and stolen without permission.
Unable to real-time understand the status of the well environment.
High operating and maintenance costs and so on, a series of problems.
In this context
Our company has successfully developed intelligent manhole covers using technologies such as the Internet of Things, cloud computing, and wireless sensing.
| Lock core material | SUS304 Stainless steel |
| Lock body material | FRP+SUS304 |
| Battery capacity | ≥38000mAh |
| Operating Voltage | 3.6VDC |
| Standby power consumption | ≤30uA |
| Operating power consumption | ≤100mA |
| Operating environment | Temperature(-40°C~80°C),Humidity(20%-98%RH) |
| Unlocking times | ≥300000 |
| Protection level | IP68 |
| Corrosion resistance | Passed the 72-hour neutral salt spray test |
| Signal transmission | 4G, NB, Bluetooth |
| Encoding digits Number | 128(No mutual opening rate) |
| Lock cylinder technology | 360°,Idle design to prevent violent opening,Storage Operations (Unlock ,Lock, Petrol ,etc.) Log |
| Encryption Technology | Digital encoding technology & encrypted communication technology ;Eliminate echnology activation |
Clear management of personnel permissions.
Remote unlocking through permission management.
Bluetooth unlocking, emergency unlocking, and other unlocking methods.Ensure that the smart manhole cover can be opened smoothly under any circumstances.
The presentation of combining list and the map makes every lock clear visible.
We invest over 3% of our annual sales revenue in R&D with numerous patent achievements .
CRAT Smart Manhole cover lock widely used in Municipal industry, Communication fiber optic cable well, Power cable well, Gas well.
And has been used in major cities in China.
State Grid Beijing Power Supply Company
Pilot application in Fengxian Power Supply Company
