Anti-collision system for forklift

Abstract

The utility model discloses a forklift anti-collision system which comprises a camera shooting sensing module, a display module, an electronic throttle controller and a main control module, and the main control module is electrically connected with the camera shooting sensing module, the display module and the electronic throttle controller. The main control module is configured to generate a speed reduction signal or a speed reduction stopping signal based on a distance detection signal received from the camera sensing module and transmit the speed reduction signal or the speed reduction stopping signal to the electronic accelerator controller so as to control the forklift to reduce the speed or stop the speed reduction; and generating a corresponding alarm signal according to the distance detection signal and / or the driver characteristic signal and sending the alarm signal to a display module. Through the design, safety accidents caused by untimely observation of a forklift driver or illegal behaviors of the driver can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of monitoring safety, in particular to an anti-collision system for a forklift. Background Art

[0002] In industrial manufacturing, forklifts are used to move finished goods. However, in actual operation, forklifts usually have a small operating environment, a large number of employees in the manufacturing workshop, and blind spots. Therefore, safety accidents may occur due to the forklift driver's failure to observe in time or the driver's violation of regulations.

[0003] Therefore, the above problems need to be solved urgently by those skilled in the art. Utility Model Content

[0004] In order to solve the technical defects mentioned in the above background technology, the purpose of the utility model is to provide a forklift anti-collision system, which can avoid the occurrence of safety accidents caused by the forklift driver's failure to observe in time or the driver's illegal behavior.

[0005] The utility model adopts the following technical solutions:

[0006] A forklift anti-collision system is installed on a forklift, comprising:

[0007] A camera sensor module is installed on the forklift overhead guard, and is used to take pictures of the forklift's surroundings and detect the distance between pedestrians and the forklift, so as to output a camera signal, a distance detection signal, and a driver characteristic signal;

[0008] A display module, used for displaying the surrounding environment of the forklift according to the camera signal and indicating the position of pedestrians based on the distance detection signal;

[0009] Electronic throttle controller, used to control the forklift to slow down or stop slowing down;

[0010] A main control module is electrically connected to the camera sensor module, the display module and the electronic throttle controller; wherein the main control module is configured to: generate a deceleration or stop deceleration signal based on the distance detection signal received from the camera sensor module and transmit it to the electronic throttle controller to control the forklift to decelerate or stop deceleration, and generate a corresponding alarm signal according to the distance detection signal and / or the driver characteristic signal and send it to the display module.

[0011] Optionally, a first camera is installed in front of the forklift overhead guard, the first camera is electrically connected to the main control module, and is used to take a picture of the range in front of the forklift and transmit the camera signal to the display module for display, and to measure the distance between the pedestrian in the range in front of the forklift and the first camera and transmit the distance detection signal to the main control module;

[0012] The second camera is installed behind the forklift overhead guardrail. The first camera is electrically connected to the main control module and is used to take pictures of the rear range of the forklift and transmit the camera signal to the display module for display; and measure the distance between the pedestrian in the rear range of the forklift and the first camera and transmit the distance detection signal to the main control module.

[0013] Optionally, the camera sensor module also includes a third camera installed on the forklift overhead guardrail and with the shooting direction facing the driver. The third camera is electrically connected to the main control module and is configured with an infrared fill light function, which is used to generate a driver characteristic signal based on the driver's behavioral characteristics and send it to the main control module.

[0014] Optionally, it also includes an audible and visual alarm installed on the top of the forklift overhead guard and electrically connected to the main control module, and the audible and visual alarm is used to issue a corresponding alarm according to the alarm signal.

[0015] Optionally, it further includes a plurality of mounting brackets mounted on the forklift overhead guard frame, and the first camera, the second camera and the third camera are mounted on the forklift overhead guard frame through the mounting brackets.

[0016] In summary, the beneficial effects of the utility model are:

[0017] By setting up a camera sensor module to collect images around the forklift and detect the distance between pedestrians and the forklift, as well as the driver's characteristic signal, the main control module can generate a deceleration or stop deceleration signal to the electronic throttle controller based on the distance detection signal, and the electronic throttle controller can control the forklift to decelerate. At the same time, by setting up a display module to display the surrounding environment of the forklift, it can avoid safety accidents caused by the driver's blind spots in the operation. At the same time, by generating a corresponding alarm signal based on the driver's characteristic signal and sending it to the display module, it can remind the driver to observe the position of the pedestrian, thereby improving the safety of the forklift operation.

[0018] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a diagram of the forklift anti-collision system architecture of an embodiment of the utility model;

[0020] Figure 2 is a schematic diagram of a forklift anti-collision system according to an embodiment of the utility model installed on a forklift;

[0021] Figure 3 It is an embodiment of the utility model Figure 1 A magnified image of area A;

[0022] Figure 4 It is a schematic diagram of the detection range of the camera sensor module of the embodiment of the utility model.

[0023] Description of reference numerals in the figures:

[0024] 1. Camera sensor module; 11. First camera; 12. Second camera; 13. Third camera;

[0025] 2. Display module; 3. Main control module; 4. Sound and light alarm; 5. Installation bracket. DETAILED DESCRIPTION

[0026] In order to make the content of the utility model more clearly understood, the utility model is further described below based on specific embodiments in combination with the accompanying drawings.

[0027] It should be noted that the terms "center", "upper", "lower", "front", "back", "left", "right", "inner", "outer" and the like used herein to indicate directions or positional relationships are based on directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. Unless otherwise specified, "plurality" means two or more.

[0028] Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood by specific circumstances.

[0029] like Figures 1 to 3As shown, an embodiment of the present application provides a forklift anti-collision system, which is installed on a forklift and includes a camera sensor module 1, a display module 2, an electronic throttle controller and a main control module 3. The camera sensor module 1 is installed on the forklift overhead guard frame. The camera sensor module 1 is used to take pictures of the forklift's surroundings and detect the distance between pedestrians and the forklift to output a camera signal, a distance detection signal and a driver characteristic signal; the display module 2 is used to display the forklift's surroundings according to the camera signal and to indicate the pedestrian's position based on the distance detection signal; the electronic throttle controller is used to control the forklift to slow down or stop slowing down; the main control module 3 is electrically connected to the camera sensor module 1, the display module 2 and the electronic throttle controller; wherein the main control module 3 is configured to: generate a speed reduction or stop speed reduction signal based on the distance detection signal received from the camera sensor module 1 and send it to the electronic throttle controller to control the forklift to slow down or stop slowing down, and generate a corresponding alarm signal according to the distance detection signal and / or the driver characteristic signal and send it to the display module 2.

[0030] In the embodiment of the present application, the camera sensor module 1 has a camera function and a distance detection module. The camera sensor module 1 can detect the distance of pedestrians around the forklift and objects, and record the images around the forklift into the main control module 3 through the camera function. The main control module 3 can save the images around the forklift and display them through the display module 2 for the driver to observe, thereby avoiding the driver's inability to observe the surrounding environment in time due to blind spots when operating the forklift, thereby avoiding the occurrence of safety accidents; the display module 2 can be a 7-inch waterproof display screen, which can display the front and rear images of the forklift in real time and can also prompt the position of pedestrians; the electronic throttle controller sends a deceleration or stop signal through the main control module 3 The deceleration signal controls the throttle of the forklift, so that it can control its speed. For example, when there are people around the forklift, the camera sensor module 1 detects the presence of pedestrians or objects, and then performs distance detection on them and transmits the distance detection signal to the main control module 3. After receiving the distance detection signal, the main control module 3 generates a deceleration signal and sends it to the electronic throttle controller, so that the forklift is controlled to decelerate through the electronic throttle controller; when the pedestrian leaves, the camera sensor module 1 cannot detect the presence of pedestrians or objects, which means that there are no pedestrians around the forklift, then the camera sensor module 1 will send a distance detection signal to the main control module 3, and the main control module 3 will send a stop deceleration signal to the electronic throttle controller through logical judgment, and the electronic throttle controller will release the control, and the forklift will resume its driving speed.

[0031] Specifically, Figure 3As shown, the display module 2 can be installed on the column of the forklift overhead guard, and the installation height can be at the same level as the driver's line of sight or slightly higher than the driver's line of sight, so that the driver can observe the surrounding environment of the forklift conveniently, thereby improving safety; the main control module 3 can be installed on the forklift overhead guard, or can be installed under the seat, or can be installed on the rear column of the forklift overhead guard, and the electronic throttle controller can be installed on the throttle signal line, so that the forklift can be controlled by the deceleration signal sent by the main control module 3 to reduce the speed.

[0032] Optional, such as Figure 3 As shown, the camera sensor module 1 includes a first camera 11 and a second camera 12.

[0033] The first camera 11 is installed in front of the forklift's overhead guard, and the first camera 11 is electrically connected to the main control module 3, and is used to capture the range in front of the forklift and transmit the camera signal to the display module 2 for display, as well as measure the distance between the pedestrians in the front of the forklift and the first camera 11 and transmit the distance detection signal to the main control module 3; the second camera 12 is installed behind the forklift's overhead guard, and the first camera 11 is electrically connected to the main control module 3, and is used to capture the range behind the forklift and transmit the camera signal to the display module 2 for display; as well as measure the distance between the pedestrians in the rear of the forklift and the first camera 11 and transmit the distance detection signal to the main control module 3.

[0034] In the embodiment of the present application, the first camera 11 and the second camera 12 can both be ultra-wide-angle cameras with a detection angle of up to 180°, or can be 3D cameras. The first camera 11 can be installed below the top of the forklift overhead guard, and the photographing direction of the first camera 11 is toward the forward direction of the forklift. The second camera 12 can be installed behind the forklift overhead guard and the photographing direction is toward the backward direction of the forklift. By installing the first camera 11 and the second camera 12, the distance between pedestrians or objects and the forklift can be detected in the front and rear range of the forklift, thereby generating a distance detection signal to the main control module 3, and then the main control module 3 generates a corresponding signal to the display module 2, so that it can be displayed to remind the driver, thereby improving safety.

[0035] Further, such as Figure 3 As shown, the above-mentioned camera sensor module 1 also includes a third camera 13 installed on the forklift overhead guardrail and with the photographic direction facing the driver. The third camera 13 is electrically connected to the main control module 3. The third camera 13 is configured with an infrared fill light function, which is used to generate a driver characteristic signal according to the driver's behavioral characteristics and send it to the main control module 3.

[0036] In the embodiment of the present application, the third camera 13 can be installed on the front column of the forklift overhead guard (in the driver's front sight direction), and the shooting direction of the third camera 13 is toward the driver. The third camera 13 is set to capture the driver's behavioral characteristics and generate a driver characteristic signal to be transmitted to the main control module 3. The main control module 3 analyzes whether there is a violation based on the driver characteristic signal. The violation characteristics are, for example, fatigue (yawning, nodding), smoking, making phone calls, blocking the camera, distraction (closing eyes, drooping eyelids), etc., so that the main control module 3 generates a corresponding alarm signal and sends it to the sound and light alarm 4, thereby improving the driver's attention and further improving the safety during forklift operation. At the same time, by configuring the third camera 13 with an infrared fill light function, the accuracy of identifying the driver's behavioral characteristics can be improved when the forklift is operated at night.

[0037] Optional, such as Figure 3 As shown, the forklift anti-collision system also includes an audible and visual alarm 4 installed on the top of the forklift overhead guard and electrically connected to the main control module 3. The audible and visual alarm 4 is used to make a corresponding alarm according to the alarm signal.

[0038] In an embodiment of the present application, the forklift anti-collision system also includes an audible and visual alarm 4, the maximum sound of which can reach 105db. The audible and visual alarm 4 is electrically connected to the main control module 3, and by receiving the corresponding alarm signal issued by the main control module 3, an alarm can be sounded through the audible and visual alarm 4, thereby reminding the driver and pedestrians to pay attention to the forklift, thereby improving their safety.

[0039] Optionally, the main control module 3 is provided with multi-level area protection, and generates a corresponding alarm signal according to the distance detection signal and the multi-level area protection.

[0040] In the embodiment of the present application, the main control module 3 is pre-set with a danger zone (first boundary distance), a warning zone (second boundary distance) and a safety zone. By pre-setting the danger zone and the warning zone, the first camera 11 and the second camera 12 can measure the distance of a person or an object to generate a distance detection signal. By matching the distance detection signal with the pre-set danger zone distance and warning zone distance values, a corresponding alarm signal or display signal can be issued.

[0041] For example, if Figure 4As shown, if a person is detected in front of the forklift, the first camera 11 is used to measure the distance between the pedestrian and the camera to generate a distance detection signal, and then the main control module 3 analyzes the distance value of the distance detection signal and matches it with the range value of the distance to the pre-set danger zone, thereby generating a danger alarm signal to the sound and light alarm 4. At this time, the sound and light alarm 4 starts to alarm, and the main control module 3 will output a speed reduction signal to the electronic throttle controller. At this time, the forklift will slow down and output a corresponding display signal to the display module 2 to remind the driver that there is someone near the forklift. At this time, the driver stops the car to avoid safety accidents.

[0042] Optionally, it further includes a plurality of mounting brackets 5 mounted on the forklift overhead guard frame, and the first camera 11 , the second camera 12 and the third camera 13 are mounted on the forklift overhead guard frame through the mounting brackets 5 .

[0043] In the embodiment of the present application, the above-mentioned mounting bracket 5 can be installed on the forklift overhead guardrail, and the mounting bracket 5 can be adjusted in angle. By installing the first camera 11, the second camera 12 and the third camera 13 on the forklift overhead guardrail, the camera angle can be adjusted according to the working environment, thereby increasing the camera range, improving its flexibility, and enriching the present embodiment.

[0044] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A forklift anti-collision system, installed on a forklift, characterized in that: include: A camera sensor module is installed on the forklift overhead guard, and is used to take pictures of the forklift's surroundings and detect the distance between pedestrians and the forklift, so as to output a camera signal, a distance detection signal, and a driver characteristic signal; A display module, used for displaying the surrounding environment of the forklift according to the camera signal and indicating the position of pedestrians based on the distance detection signal; An electronic throttle controller, installed on the throttle signal line, used to control the forklift to slow down or stop slowing down; A main control module is electrically connected to the camera sensor module, the display module and the electronic throttle controller; wherein the main control module is configured to: generate a deceleration or stop deceleration signal based on the distance detection signal received from the camera sensor module and transmit it to the electronic throttle controller to control the forklift to decelerate or stop deceleration, and generate a corresponding alarm signal according to the distance detection signal and / or the driver characteristic signal and send it to the display module.

2. The forklift anti-collision system according to claim 1, characterized in that: The camera sensor module comprises: a first camera, installed in front of the forklift overhead guard, the first camera being electrically connected to the main control module, and being used to take a picture of the area in front of the forklift and transmit the camera signal to the display module for display, and to measure the distance between the pedestrian in front of the forklift and the first camera and transmit the distance detection signal to the main control module; The second camera is installed behind the forklift overhead guardrail. The first camera is electrically connected to the main control module and is used to take pictures of the rear range of the forklift and transmit the camera signal to the display module for display; and measure the distance between the pedestrian in the rear range of the forklift and the first camera and transmit the distance detection signal to the main control module.

3. The forklift anti-collision system according to claim 1, characterized in that: The camera sensor module also includes a third camera installed on the forklift overhead guardrail and with the shooting direction facing the driver. The third camera is electrically connected to the main control module. The third camera is configured with an infrared fill light function, which is used to generate a driver characteristic signal based on the driver's behavioral characteristics and send it to the main control module.

4. The forklift anti-collision system according to claim 2, characterized in that: It also includes an audible and visual alarm installed on the top of the forklift overhead guard and electrically connected to the main control module, and the audible and visual alarm is used to make a corresponding alarm according to the alarm signal.

5. The forklift anti-collision system according to claim 1, characterized in that: The main control module is provided with multi-level area protection, and generates a corresponding alarm signal according to the distance detection signal and the multi-level area protection.

6. The forklift anti-collision system according to claim 2, characterized in that: It also includes a plurality of mounting brackets mounted on the forklift overhead guard frame, and the first camera, the second camera and the third camera are mounted on the forklift overhead guard frame through the mounting brackets.

Images