CN217917861U

CN217917861U - Wireless ranging anti-collision system

Info

Publication number: CN217917861U
Application number: CN202221462218.5U
Authority: CN
Inventors: 梁鹏飞; 张依贤; 何林
Original assignee: Guangdong Jianmian Intelligent Technology Co ltd
Current assignee: Guangdong Jianmian Intelligent Technology Co ltd
Priority date: 2022-06-11
Filing date: 2022-06-11
Publication date: 2022-11-29
Anticipated expiration: 2032-06-11

Abstract

The utility model discloses a wireless ranging collision avoidance system, which comprises a human body ranging tag, a vehicle ranging tag, a visual blind area warning tag, a corner tag, a central positioning base station, a corner tag, a first bucket-wheel base station, a second bucket-wheel base station, an output controller and an audible and visual alarm; the center positioning base station is in wireless connection with the human body distance measuring tag, the vehicle distance measuring tag, the visual blind area warning tag and the corner tag respectively, and the output controller is connected with the first bucket-wheel base station, the second bucket-wheel base station and the audible and visual alarm respectively. By utilizing a wireless pulse ranging technology, a micro base station/personnel micro tag is set by depending on equipment, the relative distance of the micro tag within a range of dozens of meters is monitored in real time, the dangerous degree is judged according to the distance, and acousto-optic alarms of different levels are made.

Description

Wireless ranging anti-collision system

Technical Field

The utility model relates to a wireless range finding system especially relates to a wireless range finding collision avoidance system.

Background

In large-scale factory, transport the goods and adopt fork truck mostly, the putty with get the material and adopt stacker-reclaimer, sometimes when many fork truck or stacker-reclaimer used simultaneously in the factory, because the distance is nearer, the place ahead has the vision blind area because of site environment during the driving, the driver can't observe corner or afterbody, has the accident potential that the looks collision arouses. In addition, when the forklift is used, workers often walk nearby and pass through corners, a visual blind area exists, and the forklift can touch related workers carelessly, so that the safety operation of the workers is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides among the above-mentioned background art, the utility model provides a can fix a position the distance between fork truck and personnel, fork truck and fork truck, stacker-reclaimer and the stacker-reclaimer in real time and judge, prevent to collide each other and cause the wireless range finding collision avoidance system of incident. The specific technical scheme is as follows:

a wireless ranging collision avoidance system comprises a human body ranging tag, a vehicle ranging tag, a visual blind area warning tag, a corner tag, a central positioning base station, a first bucket-wheel base station, a second bucket-wheel base station, an output controller and an audible and visual alarm; the central positioning base station is in wireless connection with the human body distance measuring tag, the vehicle distance measuring tag, the visual blind area warning tag and the corner tag respectively, and the output controller is connected with the first bucket-wheel base station, the second bucket-wheel base station and the audible and visual alarm respectively.

Further, human body range finding label vehicle range finding label vision blind area warning label with the corner label is UWB communication module.

Further, the center positioning base station, the first bucket-wheel base station, and the second bucket-wheel base station are UWB.

Further, human range finding label includes helmet bee calling organ, label work tablet, be provided with UWB communication module on the label work tablet.

Further, the corner tag is mounted at the upper left corner or the upper right corner of the vehicle.

Further, the first bucket wheel base station is mounted on a tail boom of the bucket wheel machine.

Further, still include PLC, PLC with first bucket-wheel basic station and second bucket-wheel basic station are connected.

The utility model has the advantages that: the wireless ranging alarm anti-collision solution utilizes a wireless pulse ranging technology, and micro base station/personnel micro tags are set by equipment, so that the relative distance of the micro tags in a range of dozens of meters can be monitored in real time, the dangerous degree can be judged according to the distance, acousto-optic alarms in different levels can be made, and potential safety hazards such as collision, rolling and the like of vehicles, equipment and personnel can be effectively prevented. In addition, when the wireless ranging anti-collision alarm system can give a forklift driver the alarm through the corner, the sound-light alarm in the corner area gives an alarm to remind workshop personnel that the forklift passes through, and the sound-light alarm of the driver and the vehicle reminds the driver to pass through the corner, so that the driver can pay attention to safety.

Drawings

Fig. 1 is the utility model relates to a wireless range finding collision avoidance system's functional block diagram.

Fig. 2 is another schematic block diagram of a wireless ranging collision avoidance system of the present invention.

Fig. 3 is still another schematic block diagram of the wireless ranging collision avoidance system of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention, but are not intended to limit the scope of the invention, i.e., the invention is not limited to the described embodiments.

Referring to fig. 1 to 3, a wireless ranging collision avoidance system includes a human body ranging tag 20, a vehicle ranging tag 30, a visual blind area warning tag 40, a corner tag 50, a central positioning base station 10, a first bucket wheel base station 60, a second bucket wheel base station 70, an output controller 80, and an audible and visual alarm 90; the central positioning base station 10 is wirelessly connected with the human body ranging tag 20, the vehicle ranging tag 30, the visual blind area warning tag 40 and the corner tag 50, and the output controller 80 is wirelessly connected with the first bucket-wheel base station 60, the second bucket-wheel base station 70 and the audible and visual alarm 90.

In this embodiment, each tag has a unique ID identification, each vehicle/device is equipped with a base station, and employees wear micro-tags, full network unique IDs. And (3) accurately measuring the distance: each vehicle/equipment base station measures the distance in real time, and can measure the distance with a micro label of tens of meters with the precision of 10cm. Multi-stage approach alarm: personnel or vehicles enter the alarm area and alarm through the reputation alarm connected with the micro base station, and the closer the distance, the more urgent the alarm is. The label can buzz vibrations, can link and cut off on-vehicle power.

In particular, the system can be implemented

1. Collision between man and vehicle

The vehicle is provided with a wireless base station, a worker wears a ranging label (a helmet buzzer and a label work plate), the worker starts acousto-optic alarm when arriving at a dangerous range vehicle through a base station vehicle or the vehicle through the worker, and the worker labels buzz and vibrate.

2. Collision between vehicles

The distance measuring base station and the audible and visual alarm 90 are arranged on the vehicles, the two vehicles start audible and visual alarm by passing through the dangerous area, the base station outputs switching values and can be connected with a vehicle-mounted power supply, and the vehicle-mounted power can be cut off in a shutdown area to prevent the vehicles from colliding.

3. Visual blind zone warning

When the vehicle passes through a corner intersection, the base station detects and gives out acousto-optic alarm to reflect that vehicles pass through the corner and workers.

When the staff wears the human body ranging tag 20, if a forklift exists nearby, the vehicle ranging tag 30 can prompt a driver that a person approaches, and people and vehicles can be prevented from collision. When the corner base station detects that the distance of the vehicle reaches the dangerous distance, the corner base station sends out sound and light alarm to warn a driver.

Preferably, the human body ranging tag 20, the vehicle ranging tag 30, the visual blind area warning tag 40 and the corner tag 50 are UWB communication modules.

In this embodiment, the distance of the wireless ranging system is adjustable, and the ranging base station is set by using the software to adjust the ranging alarm distance and to set the short-distance report-free function. Or the distance measuring and alarming distance can be quickly adjusted by utilizing a knob on the base station.

Preferably, the center positioning base station 10, the first bucket-wheel base station 60, and the second bucket-wheel base station 70 are UWB (Ultra Wide Band).

In the embodiment, the wireless base station is installed on a tail cantilever of the bucket-wheel machine and provides power supply of 24 to 48V. The wireless base station output interface is connected with an audible and visual alarm 90, and the audible and visual alarm 90 is installed outside a cab. And the wireless base station linkage cutting interface is connected into the bucket wheel machine PLC to realize shutdown. Specifically, the UWB technology is a wireless carrier communication technology, which does not use a sinusoidal carrier, but uses nanosecond-level non-sinusoidal narrow pulses to transmit data, and thus occupies a wide frequency spectrum.

Preferably, human range finding label 20 includes helmet buzzer, label work tablet, be provided with UWB communication module on the label work tablet.

In this embodiment, the tag work plate is worn by a worker, the UWB communication module is wirelessly connected with the central positioning base station 10, when a vehicle approaching to the central positioning base station is detected and a dangerous distance is reached, the positioning base station calculates the distance and sends an alarm signal through UWB wireless communication, and a buzzer alarms to ensure the safety of the worker on site.

Preferably, the corner tag 50 is mounted on the upper left or right corner of the vehicle.

In the present embodiment, the corner tag 50 warns the driver when it detects that the distance of the forklift reaches a threshold value.

Preferably, the first bucket wheel base station 60 is mounted on the tail boom of the bucket wheel machine.

In the embodiment, the first bucket wheel base station 60 and the second bucket wheel base station 70 are both installed on the tail cantilever of the bucket wheel machine, and the wireless distance measuring base station is installed on the cantilever of the bucket wheel machine, so that the distance between the two bucket wheel machines is judged through real-time positioning, and an audible and visual alarm is given to an operator in a cab.

Preferably, the system further comprises a PLC connected to the first bucket wheel base station 60 and the second bucket wheel base station 70.

It should be understood by those skilled in the art that the above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A wireless ranging collision avoidance system is characterized by comprising a human body ranging tag, a vehicle ranging tag, a visual blind area warning tag, a corner tag, a central positioning base station, a first bucket-wheel base station, a second bucket-wheel base station, an output controller and an audible and visual alarm; the center positioning base station is in wireless connection with the human body distance measuring tag, the vehicle distance measuring tag, the visual blind area warning tag and the corner tag respectively, and the output controller is connected with the first bucket-wheel base station, the second bucket-wheel base station and the audible and visual alarm respectively.

2. The wireless ranging collision avoidance system of claim 1, wherein the human ranging tag, the vehicle ranging tag, the visual blind zone warning tag and the corner tag are UWB communication modules.

3. The wireless ranging collision avoidance system of claim 1, wherein the centrally located base station, the first bucket-wheel base station, and the second bucket-wheel base station are UWB.

4. The wireless ranging and collision avoidance system according to claim 1, wherein the human ranging tag comprises a helmet buzzer and a tag work board, and the tag work board is provided with a UWB communication module.

5. The wireless ranging collision avoidance system of claim 1, wherein the corner tag is mounted in the upper left or right corner of the vehicle.

6. The wireless ranging collision avoidance system of claim 1, wherein the first bucket wheel base station is mounted on a tail boom of a bucket wheel machine.

7. The wireless ranging collision avoidance system of claim 1, further comprising a PLC connected with the first and second bucket-wheel base stations.