CN108871205A - An engineering smart helmet detection device - Google Patents

Abstract

The invention provides an intelligent safety helmet detection device for engineering. The safety helmet comprises a central controller, a floodgate machine main body and laser ranging sensors arranged on the floodgate machine main body, wherein the floodgate machine main body comprises side columns, a cross beam and a floodgate, at least three laser ranging sensors are arranged, a first laser ranging sensor and a second laser ranging sensor are arranged on the side columns of the floodgate machine, a third laser ranging sensor is arranged on the cross beam of the floodgate machine, whether a worker wears the safety helmet or not is confirmed through the identification of the head of the worker by the first laser ranging sensor, the second laser ranging sensor and the third laser ranging sensor, and the central controller controls the floodgate to be opened or closed after receiving signals of the first laser ranging sensor, the second laser ranging sensor and the third laser ranging sensor. The invention distinguishes whether the worker wears the safety helmet or not in real time by comprehensively utilizing the three laser ranging sensors, is safe and reliable, does not relate to artificial subjective judgment factors, and greatly improves the safe working environment in a factory.

Description

An engineering smart helmet detection device

technical field

The invention relates to the technical field of safety engineering protection, in particular to an engineering intelligent safety helmet detection device.

Background technique

Building construction safety has always been a topic of concern at home and abroad. The traditional method of using security guards and guards to monitor unsafe behaviors can reduce the risk of unsafe behavior, but because of the involvement of human factors, subjectivity and limitations More serious, resulting in less effective.

The monitoring of the safety status can effectively monitor the construction site in real time, thereby improving the performance of safety management. However, the safety monitoring process in China is often superficial or neglected in execution. The existing technical project site personnel supervision system In most cases, security checks are performed on helmets one by one by humans or the staff who pass through the gates are photographed by surveillance cameras. If they are slack and do not take the initiative to find out the staff who go to work without wearing helmets, it may cause a series of safety hazards.

Contents of the invention

According to the above-mentioned technical problems, an engineering intelligent helmet detection device is provided. The invention mainly utilizes the active recognition of the helmet by the laser distance measuring sensor, thereby intelligently detecting whether the worker wears the helmet.

The technical means adopted in the present invention are as follows:

An engineering intelligent safety helmet detection device, comprising: a central controller, a gate body and a laser ranging sensor arranged on the gate body, the gate body includes a side column, a beam and a gate, and the laser There are at least three ranging sensors, the first laser ranging sensor and the second laser ranging sensor are arranged on the side column of the gate, the third laser ranging sensor is arranged on the beam of the gate, the first, second, The third laser ranging sensors are respectively connected with the central controller to identify the head of the staff and confirm whether the staff is wearing a helmet. The central controller receives the first, second and third laser ranging sensors After the signal, the control gate is opened or closed.

Further, the main body of the gate is provided with an alarm device, and the alarm device is connected to the central controller. When the first, second, and third laser ranging sensors do not detect that the staff is wearing a safety helmet, The central controller controls the alarm device to issue an alarm.

Further, a reset button is provided on the side wall of the main body of the gate, and the reset button is used for re-measurement by the staff when the alarm is falsely reported or the safety helmet is not worn for the first time.

Further, the first and second laser ranging sensors are of the same height.

Further, the bottom ends of the first and second laser ranging sensors are not higher than 1.4 meters from the ground, and the tops are not lower than 2.1 meters from the ground.

Further, the height of the bottom end of the third laser ranging sensor from the ground is not lower than the tops of the first and second laser ranging sensors.

Further, the distance between the top of the gate and the beam and the distance between the bottom of the gate and the ground are smaller than the height of a standard safety helmet.

Compared with the prior art, the present invention has the following advantages:

1. Through the comprehensive utilization of three laser distance measuring sensors, the present invention can identify in real time whether workers are wearing helmets, which is safe and reliable, does not involve human subjective judgment factors, and greatly improves the safe working environment in the factory.

2. Through the unique gate structure, the present invention avoids the situation that the front and rear workers borrow from each other because they don't wear safety helmets, and eliminates potential safety hazards.

Based on the above reasons, the present invention can be widely promoted in the technical field of safety engineering protection.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is a structural schematic diagram of an engineering smart helmet detection device according to the present invention.

In the figure: 1, 2, gate side column; 3, gate beam; 4, gate; 5, first laser distance measuring sensor; 6, second laser distance measuring sensor; 7, third laser distance measuring sensor; 8 , Reset button; 9, Alarm device.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that the terminology used here is only for describing specific embodiments, and is not intended to limit exemplary embodiments according to the present invention. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

The relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. At the same time, it should be clear that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Techniques, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the authorized description. In all examples shown and discussed herein, any specific values should be construed as exemplary only, and not as limitations. Therefore, other examples of the exemplary embodiment may have different values. It should be noted that like numerals and letters denote like items in the following figures, therefore, once an item is defined in one figure, it does not require further discussion in subsequent figures.

In the description of the present invention, it should be understood that orientation words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. indicate the orientation Or positional relationship is generally based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description. In the absence of a contrary description, these orientation words do not indicate or imply the device or element referred to. It must have a specific orientation or be constructed and operated in a specific orientation, so it should not be construed as limiting the scope of the present invention: the orientation words "inside and outside" refer to inside and outside relative to the outline of each part itself.

For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as "above" or "above" other devices or configurations would then be oriented "beneath" or "above" the other devices or configurations. its underlying device or construction". Thus, the exemplary term "above" can encompass both an orientation of "above" and "beneath". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

In addition, it should be noted that the use of words such as "first" and "second" to define components is only for the convenience of distinguishing corresponding components. To limit the protection scope of the present invention.

As shown in Figure 1, the present invention provides a kind of intelligent safety helmet detection device for engineering, comprising: a central controller, a gate body and a laser ranging sensor arranged on the gate body, the gate body includes Side columns 1, 2, crossbeam 3 and gate 4, said laser ranging sensors are at least three, the first laser ranging sensor 5 and the second laser ranging sensor 6 are arranged on the side columns 1, 2 of the gate, The third laser ranging sensor is arranged on the beam 3 of the gate, and the first 5, the second 6, and the third 7 laser ranging sensors are connected to the central controller respectively, and are used to identify and confirm the head of the staff Whether the staff wears a safety helmet, the central controller controls the opening or closing of the gate after receiving the signals from the first 5, second 6, and third 7 laser ranging sensors.

The gate body is provided with an alarm device 9, and the alarm device 9 is connected to the central controller. , the central controller controls the alarm device 9 to send an alarm.

A reset button 8 is also provided on the side wall of the gate main body, and the reset button 8 is used for re-measurement by the staff when the alarm is falsely reported or the safety helmet is not worn for the first time.

The first 5 and the second 6 laser ranging sensors are of the same height.

The height of the bottom of the first 5 and the second 6 laser ranging sensors from the ground is not higher than 1.4 meters, and the height of the top is not lower than 2.1 meters from the ground.

The height of the bottom of the third 7 laser distance measuring sensors from the ground is not lower than the top of the first and second 6 laser distance measuring sensors.

The distance between the top of the gate 4 and the beam 3 and the distance between the bottom of the gate 4 and the ground are smaller than the height of a national standard helmet.

Example 1

When the staff enters the area detected by the laser ranging sensor, the first 5, second 6, and third 7 laser ranging sensors are automatically turned on, and the side columns 1 and 2 are measured by the first 5 and second 6 laser ranging sensors The horizontal distance to the staff's head, the vertical distance from the beam 3 to the staff's head is measured by the third 7th laser ranging sensor, and after the data is sent to the central processor, the project/factory preset stored by the central processor If the data is the same, the gate 4 will be opened, and after the personnel is recognized to enter the work site, the gate 4 will be closed to wait for the entry of the next staff member.

Example 2

When the staff enters the area detected by the laser ranging sensor, the first 5, second 6, and third 7 laser ranging sensors are automatically turned on, and the side columns 1 and 2 are measured by the first 5 and second 6 laser ranging sensors The horizontal distance to the staff's head, the vertical distance from the beam 3 to the staff's head is measured by the third 7th laser ranging sensor, and after the data is sent to the central processor, the project/factory preset stored by the central processor The size of the national standard safety helmet is identified, if the data is different, the alarm device 9 is turned on, the staff can choose to wear the safety helmet or arrange the standing posture and then press the reset button 8, and each laser distance measuring sensor resets to work. Personnel retested.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (7)

1. An engineering intelligent helmet detection device is characterized in that it comprises: a central controller, a gate body and a laser ranging sensor arranged on the gate body, and the gate body includes a side column, a beam and the gate, there are at least three laser ranging sensors, the first laser ranging sensor and the second laser ranging sensor are arranged on the side column of the gate, the third laser ranging sensor is arranged on the beam of the gate, The first, second, and third laser ranging sensors are connected to the central controller respectively, and are used to identify the staff's head and confirm whether the staff wears a safety helmet. The central controller receives the first, second, After the signal from the third laser ranging sensor, the control gate is opened or closed. 2. The intelligent safety helmet detection device for engineering according to claim 1, wherein the gate body is provided with an alarm device, and the alarm device is connected to the central controller, when the first, second, When the third laser ranging sensor does not detect that the head wears a safety helmet on the staff, the central controller controls the alarm device to send an alarm. 3. The intelligent safety helmet detection device for engineering according to claim 1 or 2, wherein a reset button is also provided on the side wall of the gate main body, and the reset button is used for the staff to correct the alarm by mistake. Re-measurement is performed when the safety helmet is not worn for the first time. 4. The intelligent safety helmet detection device for engineering according to claim 1, wherein the first and second laser distance measuring sensors are of equal height. 5. The intelligent safety helmet detection device for engineering according to claim 1, characterized in that, the height of the bottom of the first and second laser ranging sensors from the ground is not higher than 1.4 meters, and the height of the top from the ground is not low at 2.1 meters. 6 . The intelligent safety helmet detection device for engineering according to claim 5 , wherein the height of the bottom end of the third laser distance measuring sensor from the ground is not lower than the tops of the first and second laser distance measuring sensors. 7 . 7 . The intelligent safety helmet detection device for engineering according to claim 1 , wherein the distance between the top of the gate and the beam and the distance between the bottom of the gate and the ground are smaller than the height of a national standard helmet.