CN215626571U

CN215626571U - Forklift anti-collision system based on safety island

Info

Publication number: CN215626571U
Application number: CN202121859960.5U
Authority: CN
Inventors: 伍峥; 刘秉欣
Original assignee: Laixun Suzhou Computer Technology Co ltd
Current assignee: Laixun Suzhou Computer Technology Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-25
Anticipated expiration: 2031-08-10

Abstract

The utility model relates to the technical field of anti-collision systems, in particular to a forklift anti-collision system based on a safety island, which comprises a plurality of positioners, a vision camera, a first ultra-wideband ranging module, a second ultra-wideband ranging module, a control module, a braking module and an alarm module, wherein each positioner is fixedly arranged at the edge of a personnel activity area and is in communication connection with the control module in a wireless mode; the four groups of visual cameras are fixedly arranged around the forklift respectively and are in communication connection with the control module; the first ultra-wideband ranging module is installed on the forklift and used for transmitting and receiving electromagnetic wave signals, and the first ultra-wideband ranging module is electrically connected with the control module. According to the utility model, the electronic fence is established through the positioner, and when a person works in the electronic fence area, an alarm cannot be triggered, so that the problem that a forklift is easy to generate an error alarm is avoided.

Description

Forklift anti-collision system based on safety island

Technical Field

The utility model relates to the technical field of anti-collision systems, in particular to a forklift anti-collision system based on a safety island.

Background

At present, an anti-collision system of a forklift is mainly realized in a visual camera and wireless distance measurement mode, and in the actual use process, when people walk in a safe area (a pedestrian passage and a fence), sometimes, an alarm system of the forklift is triggered due to the fact that the distance between the people and the forklift is too close, namely, the phenomenon of false alarm is easily generated. The wrong warning not only can influence fork truck's normal work, also can make fork truck driver produce and report an emergency and ask for help or increased vigilance tired, and then come temporarily as real danger, the driver can't be timely reacts. Therefore, a forklift collision avoidance system based on a safety island is provided to well solve the defects.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a forklift anti-collision system based on a safety island, which is used for establishing an electronic fence through a positioner and solving the problem that a forklift is easy to generate wrong alarms.

The above object of the present invention is achieved by the following technical solutions:

a forklift collision avoidance system based on a safety island comprises a plurality of positioners, a vision camera, a first ultra-wideband ranging module, a second ultra-wideband ranging module, a control module, a braking module and an alarm module, wherein each positioner is fixedly arranged at the edge of a personnel activity area and is in communication connection with the control module in a wireless mode; the four groups of visual cameras are fixedly arranged around the forklift and are in communication connection with the control module; the first ultra-wideband ranging module is arranged on the forklift and used for transmitting and receiving electromagnetic wave signals, and is electrically connected with the control module; the second ultra-wideband ranging module is worn on a worker and used for transmitting and receiving electromagnetic wave signals; the control module is electrically connected with the braking module and the warning module respectively.

Preferably, the first ultra-wideband ranging module comprises a first ultra-wideband ranging chip, the second ultra-wideband ranging module comprises a second ultra-wideband ranging chip, and the first ultra-wideband ranging chip and the second ultra-wideband ranging chip are connected in a wireless mode.

Preferably, the locator comprises a GPS positioning chip and a wireless radio frequency chip, the GPS positioning chip and the wireless radio frequency chip are electrically connected, and the wireless radio frequency chip is in communication connection with the control module.

Preferably, the alarm module comprises a signal lamp and an alarm horn.

Preferably, the brake module is an ABS anti-lock brake system mounted on the forklift.

Preferably, the control module comprises a control chip and a touch display screen, and the touch display screen is electrically connected with the control chip and used for setting the alarm distance of the first ultra-wideband ranging chip and the second ultra-wideband ranging chip.

Compared with the prior art, the utility model provides a forklift anti-collision system based on a safety island, which has the following beneficial effects:

1. according to the utility model, the electronic fence is established through the positioner, and when a person works in the electronic fence area, an alarm cannot be triggered, so that the problem that a forklift is easy to generate an error alarm is avoided;

2. the control module is connected with the braking module and the warning module at the same time, so that the forklift can be stopped actively, and workers close to the forklift can be reminded in time, and the safety of the anti-collision system is improved.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a schematic view of the working process of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1 and 2, a forklift collision avoidance system based on a safety island comprises a plurality of locators, a vision camera, a first ultra-wideband ranging module, a second ultra-wideband ranging module, a control module, a braking module and an alarm module, wherein each locator is fixedly arranged at the edge of a personnel activity area and is in communication connection with the control module in a wireless transmission mode, and comprises a GPS locating chip and a wireless radio frequency chip, the GPS locating chip is electrically connected with the wireless radio frequency chip, the wireless radio frequency chip is in communication connection with the control module, the GPS locating chip is used for locating, and the wireless radio frequency chip is used for transmitting signals to the control module, so that the plurality of locators surround the edge of the personnel activity area to form a complete safety island/electronic fence; the vision camera is total four groups, four groups of vision cameras are fixed the setting respectively around fork truck, and four groups of vision cameras all with control module communication connection, the vision camera is used for shooing the picture to give control module with the picture transmission, control module judges whether this personnel is located the safety island region through calculating, in the safety island region scope as the staff, no matter how close apart from fork truck has, can not trigger and report an emergency and ask for help or increased vigilance.

The first ultra-wideband ranging module is arranged on the forklift and used for transmitting and receiving electromagnetic wave signals, and is electrically connected with the control module; the second ultra-wideband ranging module is worn on a worker body and used for transmitting and receiving electromagnetic wave signals, the first ultra-wideband ranging module comprises a first ultra-wideband ranging chip, the second ultra-wideband ranging module comprises a second ultra-wideband ranging chip, the first ultra-wideband ranging chip and the second ultra-wideband ranging chip are connected in a wireless mode, namely the first ultra-wideband ranging chip transmits electromagnetic waves, the second ultra-wideband ranging chip receives the electromagnetic waves, then the second ultra-wideband ranging chip re-transmits the electromagnetic waves, the first ultra-wideband ranging chip receives the electromagnetic waves, the distance between the forklift and the worker can be determined, and the distance signals are transmitted to the control module; the control module is respectively electrically connected with the brake module and the alarm module, the brake module is an ABS (anti-lock brake system) installed on the forklift, and the alarm module comprises a signal lamp and an alarm horn; the control module comprises a control chip and a touch display screen, the touch display screen is electrically connected with the control chip and is used for setting the alarm distance of the first ultra-wideband ranging chip and the second ultra-wideband ranging chip

The working principle is as follows: in the utility model, a plurality of positioners form a complete safety island, in the driving process of the forklift, a vision camera is used for shooting pictures and transmitting picture signals to a control module, the control module judges whether the personnel is positioned in the safety island area, if not, a first ultra-wideband ranging chip and a second ultra-wideband ranging chip measure the distance from the personnel to the forklift, the control module judges whether the distance is smaller than a safety value, and if the distance is larger than the safety value, an alarm is not triggered; otherwise, an alarm is triggered, and the control module immediately starts the braking module and the alarm module, so that the forklift stops in time. In addition, a safety value of the distance between the first ultra-wideband ranging chip and the second ultra-wideband ranging chip can be set through a touch display screen in the control module, and the safety value is an alarm distance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fork truck collision avoidance system based on safety island which characterized in that: the system comprises a plurality of positioners, a vision camera, a first ultra-wideband ranging module, a second ultra-wideband ranging module, a control module, a braking module and an alarm module, wherein each positioner is fixedly arranged at the edge of a personnel activity area and is in communication connection with the control module in a wireless mode; the four groups of visual cameras are fixedly arranged around the forklift and are in communication connection with the control module; the first ultra-wideband ranging module is arranged on the forklift and used for transmitting and receiving electromagnetic wave signals, and is electrically connected with the control module; the second ultra-wideband ranging module is worn on a worker and used for transmitting and receiving electromagnetic wave signals; the control module is electrically connected with the braking module and the warning module respectively.

2. The safety island-based forklift collision avoidance system according to claim 1, wherein: the first ultra-wideband ranging module comprises a first ultra-wideband ranging chip, the second ultra-wideband ranging module comprises a second ultra-wideband ranging chip, and the first ultra-wideband ranging chip and the second ultra-wideband ranging chip are connected in a wireless mode.

3. The safety island-based forklift collision avoidance system according to claim 1, wherein: the locator comprises a GPS locating chip and a wireless radio frequency chip, wherein the GPS locating chip and the wireless radio frequency chip are electrically connected, and the wireless radio frequency chip is in communication connection with the control module.

4. The safety island-based forklift collision avoidance system according to claim 1, wherein: the alarm module comprises a signal lamp and an alarm loudspeaker.

5. The safety island-based forklift collision avoidance system according to claim 1, wherein: the brake module is an ABS (anti-lock brake system) installed on the forklift.

6. The safety island based forklift collision avoidance system according to claim 2, wherein: the control module comprises a control chip and a touch display screen, wherein the touch display screen is electrically connected with the control chip and used for setting the alarm distance of the first ultra-wideband ranging chip and the second ultra-wideband ranging chip.