CN-224218525-U - Indoor positioning and early warning system for fire rescue

CN224218525UCN 224218525 UCN224218525 UCN 224218525UCN-224218525-U

Abstract

The utility model discloses a fire rescue indoor positioning early warning system which comprises a UWB positioning tag, a UWB positioning base station, an inertial sensor, a vibration motor, a temperature sensor, a gas sensor module, an inclination sensor, an alarm device, a call button, a satellite communication module and a microcontroller, wherein the UWB positioning base station is connected with the UWB positioning tag, the inertial sensor, the vibration motor, the temperature sensor, the gas sensor module, the inclination sensor, the alarm device and the call button are all connected with the microcontroller, and the microcontroller is connected with the satellite communication module.

Inventors

YU WEI
ZHANG CHENG
HOU YAJING
DAI JIAJIA
AI HONGYU
Lang Hualan
ZHU XUHONG

Assignees

玉溪市电子政务内网信息技术中心

Dates

Publication Date: 20260508
Application Date: 20250428

Claims (8)

1. The indoor positioning early warning system for fire rescue is characterized by comprising a UWB positioning tag, a UWB positioning base station, an inertial sensor, a vibration motor, a temperature sensor, a gas sensor module, an inclination sensor, an alarm device, a call button, a satellite communication module and a microcontroller; The UWB positioning base station is connected with the UWB positioning tag, the inertial sensor, the vibration motor, the temperature sensor, the gas sensor module, the inclination sensor, the alarm device and the call button are all connected with the microcontroller, and the microcontroller is connected with the satellite communication module.
2. The fire rescue indoor positioning and warning system according to claim 1, further comprising a lidar sensor and a geomagnetic sensor, wherein the lidar sensor is connected with the microcontroller, and the geomagnetic sensor is connected with the microcontroller.
3. The indoor positioning and early warning system for firefighting rescue according to claim 1, further comprising a battery power monitor and a signal intensity detector, wherein the battery power monitor and the signal intensity detector are respectively connected with the microcontroller.
4. The indoor positioning and early warning system for firefighting rescue according to claim 3, further comprising a loRa communication module and a Mesh ad hoc network unit, wherein the loRa communication module is connected with the satellite communication module in parallel, and the Mesh ad hoc network unit is integrated in a UWB positioning base station.
5. The indoor positioning and warning system for firefighting rescue according to claim 1, further comprising a bone conduction headset, wherein the bone conduction headset is connected with the microcontroller through a bluetooth protocol.
6. The fire rescue indoor positioning and warning system according to claim 1, wherein the inertial sensor comprises a tri-axial accelerometer and a tri-axial gyroscope, the tri-axial accelerometer and tri-axial gyroscope being connected to the microcontroller.
7. The indoor positioning and early warning system for firefighting rescue according to claim 1, wherein the gas sensor module comprises a carbon monoxide sensor, a hydrogen sulfide sensor and an oxygen sensor, and the carbon monoxide sensor, the hydrogen sulfide sensor and the oxygen sensor are respectively connected with the microcontroller.
8. The indoor positioning and early warning system for firefighting rescue according to any one of claims 1 to 7, wherein the alarm device comprises an audible and visual alarm and a buzzer, and the audible and visual alarm and the buzzer are respectively connected with the microcontroller.

Description

Indoor positioning and early warning system for fire rescue Technical Field The utility model relates to the technical field of indoor positioning, in particular to a fire rescue indoor positioning early warning system. Background In rescue work for dealing with disasters and accidents, rescue workers need to go deep into dangerous indoor environments to execute tasks such as rescue and fire extinguishment. However, the indoor rescue environment is extremely complex and dangerous, and a plurality of challenges are brought to the safety guarantee of rescue workers and the efficient development of rescue work. Currently, in terms of indoor positioning technology, conventional positioning methods have obvious limitations. For example, positioning technologies based on Wi-Fi, bluetooth, and the like are susceptible to factors such as obstructions and signal interference in indoor environments, and thus the positioning accuracy is greatly reduced. The command center is difficult to master the specific indoor position of the rescue workers in real time, rescue actions cannot be commanded timely and effectively, and difficulty and risk of rescue work are increased. In the aspect of early warning, the existing indoor rescue equipment is insufficient in monitoring capability on the states of rescue workers and the dangers of surrounding environments, and can not quickly send effective early warning when the dangers occur. Disclosure of utility model The utility model provides an indoor positioning early warning system for fire rescue, which aims to solve the problems of inaccurate positioning and incapability of early warning in time in the prior art. The technical scheme adopted by the utility model is as follows: The indoor positioning early warning system for fire rescue comprises a UWB positioning tag, a UWB positioning base station, an inertial sensor, a vibration motor, a temperature sensor, a gas sensor module, an inclination sensor, an alarm device, a call button, a satellite communication module and a microcontroller; The UWB positioning base station is connected with the UWB positioning tag, the inertial sensor, the vibration motor, the temperature sensor, the gas sensor module, the inclination sensor, the alarm device and the call button are all connected with the microcontroller, and the microcontroller is connected with the satellite communication module. Preferably, the system further comprises a laser radar sensor and a geomagnetic sensor, wherein the laser radar sensor is connected with the microcontroller, and the geomagnetic sensor is connected with the microcontroller. Preferably, the system further comprises a battery power monitor and a signal intensity detector, wherein the battery power monitor and the signal intensity detector are respectively connected with the microcontroller. Preferably, the wireless communication system further comprises a LoRa communication module and a Mesh ad hoc network unit, wherein the LoRa module is connected with the satellite communication module in parallel, and the Mesh unit is integrated inside the UWB positioning base station. Preferably, the portable electronic device further comprises a bone conduction earphone, wherein the bone conduction earphone is connected with the microcontroller through a Bluetooth protocol. Preferably, the inertial sensor comprises a tri-axial accelerometer and a tri-axial gyroscope, which are connected to the microcontroller. Preferably, the gas sensor module comprises a carbon monoxide sensor, a hydrogen sulfide sensor and an oxygen sensor, and the carbon monoxide sensor, the hydrogen sulfide sensor and the oxygen sensor are respectively connected with the microcontroller. Preferably, the alarm device comprises an audible and visual alarm and a buzzer, and the audible and visual alarm and the buzzer are respectively connected with the microcontroller. The utility model has the beneficial effects that at least one of the following is adopted: The utility model adopts a positioning mode of combining UWB (ultra wide band) positioning labels and UWB positioning base stations. Compared with the traditional positioning technology based on Wi-Fi, bluetooth and the like, the UWB technology has the characteristics of high precision and strong anti-interference capability, and can effectively avoid the influence of factors such as obstacles, signal interference and the like in an indoor environment on the positioning precision. In a complex indoor rescue environment, the UWB positioning system can still realize centimeter-level positioning accuracy under the interference of smoke, high temperature, building structures and the like in a fire scene. The inertial sensor can also monitor the motion state of the rescue personnel, and if the rescue personnel are detected to be in a static state for a long time, the microcontroller can trigger the vibration motor to remind the rescue personnel and send out an alarm at the same time. Drawings FIG.