CN213045502U

CN213045502U - Wearing state detection device of safety helmet

Info

Publication number: CN213045502U
Application number: CN202022498710.5U
Authority: CN
Inventors: 万志涛; 蔡民强
Original assignee: Hangzhou Gewu Zhian Technology Co ltd
Current assignee: Hangzhou Gewu Zhian Technology Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-04-27
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a wearing state detection device of safety helmet, including establishing the face identification module on the safety helmet shell, human infrared detection module, attitude sensor, A-GPS positioning terminal, wireless data transmission module, the main control unit, voice alarm, Flsha memory and power module, human infrared detection module, attitude sensor, A-GPS positioning terminal is connected with the main control unit respectively, the main control unit respectively with voice alarm, face identification module is connected, face identification module and human infrared detection module are connected with wireless data transmission module respectively, wireless data transmission module and surveillance center server remote connection. The utility model discloses sensing the safety helmet and being worn the back, can awaken up face identification module and carry out facial recognition to its operation personnel, discernment this operation personnel's ID information. The operation attitude and the operation range of the current operator can be detected by matching the attitude sensor and the A-GPS positioning terminal, so that the intelligent remote monitoring of the operator is realized.

Description

Wearing state detection device of safety helmet

Technical Field

The utility model relates to a safety helmet field, concretely relates to detectable operation personnel whether wear state detection device of safety helmet at the construction site.

Background

The safety helmet is a shallow dome made of steel or similar raw materials for protecting the top of the head and a protective article for preventing impact objects from hurting the head, and consists of a helmet shell, a helmet liner, a lower cheek band and a rear hoop, wherein the helmet shell is hemispherical, firm, smooth and elastic, the impact and puncture kinetic energy of the impact objects are mainly borne by the helmet shell, and a certain space is reserved between the helmet shell and the helmet liner, so that the instantaneous impact force can be buffered and dispersed, and the direct injury to the head is avoided or reduced. Due to the harsh environment in the construction operation field, the high-altitude falling object is often injured by crashing, the head is impacted and the sharp object is injured, and even more, the high-altitude falling object and the sharp object can cause death. Wearing safety helmets is particularly important as one of the important measures to prevent risks. However, during the construction operation, when the safety helmet is moved from a site where the safety helmet is not worn to a site where the safety helmet is needed, the worker often forgets to wear the safety helmet, which is harmful to life and even causes accidents.

At present, in a construction operation site, warning words such as 'safety helmet must be worn when the vehicle enters the construction site' and 'safety helmet must be worn' are generally only given. However, the warning words are word reminders, the reminding effect is limited, the effect of frightening is lacked, and the warning words are easily ignored by operators. On the other hand, when the maintenance work is performed, regulations require at least two maintenance personnel to work together, and in practice, the maintenance is often performed by one person, so that safety accidents are easily caused. Therefore, in order to ensure the smooth construction work and the personal safety of the operators, the safety control of the work site is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the defect that above-mentioned technique exists, the utility model provides a detectable operation personnel whether wear the state detection device that wears the safety helmet at the construction site.

The utility model discloses realize that the technical scheme that above-mentioned technological effect adopted is:

the utility model provides a wearing state detection device of safety helmet, is including establishing face identification module, human infrared detection module, attitude sensor, A-GPS positioning terminal, wireless data transmission module, main control unit, voice alarm, Flsha memory and the power module on the safety helmet cap shell, human infrared detection module, attitude sensor, A-GPS positioning terminal's signal output part respectively with main control unit connects, main control unit's signal output part respectively with voice alarm, face identification module connect, face identification module with human infrared detection module's signal output part respectively with wireless data transmission module connects, wireless data transmission module is through wireless network and surveillance center server remote connection.

Preferably, in the above wearing state detection apparatus for a safety helmet, the face recognition module is disposed on a lower surface of a visor of the helmet shell, and the camera window of the face recognition module faces a front face of a wearer.

Preferably, in the wearing state detection device of the above safety helmet, the face recognition module includes a CCD camera and a camera fixing base, the camera fixing base has an inclined mounting end surface facing the face of the wearer, the CCD camera is fixed on the inclined mounting end surface, and an upper end surface of the camera fixing base is fixedly connected to the lower surface of the visor.

Preferably, in the wearing state detection device of the safety helmet, the human body infrared detection modules include two human body infrared detection modules, which are respectively disposed on the lower surface of the visor and located on the left and right sides of the face recognition module.

Preferably, in the above wearing state detecting apparatus for a helmet, the voice alarm includes two waterproof speakers provided at left and right sides inside the helmet shell.

Preferably, in the wearing state detection apparatus for a helmet, a longitudinally protruding dome-shaped sensor mounting portion is formed on a top surface of the helmet shell, symmetrically arranged sensor mounting holes are formed on left and right sides of a dome of the sensor mounting portion, and the attitude sensor and the a-GPS positioning terminal are mounted in the corresponding sensor mounting holes respectively.

Preferably, the wearing state detection device of the safety helmet further comprises a signal enhancement antenna, the wireless data transmission module is connected with the signal enhancement antenna, and the signal enhancement antenna is remotely connected with the monitoring center server.

Preferably, in the above wearing state detection device for a safety helmet, a curved LED display screen is disposed on the front surface of the helmet shell.

The utility model has the advantages that: the utility model discloses a detection device is built-in the safety helmet, can make the safety helmet utensil possess intelligent detection function. Can sense the wearing state of operation personnel through human infrared detection module, after sensing that the safety helmet is worn, main control unit awakens up face identification module and carries out facial recognition to the operation personnel who wears this safety helmet at present, discerns this operation personnel's identity ID information. The operation attitude and the operation range of the current operator can be detected by matching the attitude sensor and the A-GPS positioning terminal, so that the intelligent remote monitoring of the operator is realized.

Drawings

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

FIG. 2 is a perspective view of the safety helmet of the present invention;

FIG. 3 is a side view of the present invention mounted on a helmet;

FIG. 4 is a perspective view of the present invention from another perspective view, mounted on a helmet;

fig. 5 is a schematic structural diagram of the face recognition module of the present invention.

Detailed Description

For a further understanding of the invention, reference is made to the following description taken in conjunction with the accompanying drawings and specific examples, in which:

in the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, as shown in the figures, an embodiment of the present invention provides a device for detecting a wearing state of a safety helmet, which includes a face recognition module 2, a human infrared detection module 5, an attitude sensor, an a-GPS positioning terminal, a wireless data transmission module, a main control unit, a voice alarm, a Flsha memory and a power supply module, which are disposed on a helmet shell 1 of the safety helmet. The human body infrared detection module 5, the attitude sensor and the signal output end of the A-GPS positioning terminal are respectively connected with the main control unit and used for sending the induction signal to the main control unit. The signal output end of the main control unit is respectively connected with the voice alarm and the face recognition module 2 and is used for sending control instructions to the voice alarm and the face recognition module 2. The signal output ends of the face recognition module 2 and the human body infrared detection module 5 are respectively connected with a wireless data transmission module, and the wireless data transmission module is remotely connected with a monitoring center server through a wireless network. The face recognition is carried out rapidly through a face recognition algorithm deployed on a monitoring center server, and a locally deployed main control unit is used for receiving induction signals of a local sensor. The A-GPS positioning terminal is matched with a hundred-degree geo-fence arranged on the monitoring center server, so that the construction site of an operator can be limited, and when the operator belonging to the A construction site goes to the B construction site within the working time, the geo-fence gives an alarm and reports the event to the monitoring center server.

Further, in the preferred embodiment of the present invention, as shown in fig. 3 and 4, the face recognition module 2 is disposed on the lower surface of the visor 11 of the cap shell 1, and the camera of the face recognition module 2 faces the front face of the wearer. As shown in fig. 5, the face recognition module 2 includes a CCD camera 21 and a camera holder 22. The camera fixing seat 22 is provided with an inclined mounting end surface 221 facing the face of the wearer, the CCD camera 21 is fixed on the inclined mounting end surface 221, and the upper end surface of the camera fixing seat 22 is fixedly connected with the lower surface of the visor 11. As shown in fig. 5, the included angle α between the inclined installation end surface 221 and the horizontal plane is 30-45 °, and in a preferred embodiment of the present invention, the included angle α is set to be 30 °. The human body infrared detection modules 5 comprise two human body infrared detection modules, which are respectively arranged on the lower surface of the brim 11 and are positioned on the left side and the right side of the face recognition module 2. The voice alarm includes two waterproof speakers 6 provided at the left and right sides of the inner side of the cap housing 1, and the alarm voice can be clearly received by the operator by being provided at the left and right sides of the inner side of the cap housing 1.

Further, in the preferred embodiment of the present invention, as shown in fig. 2 and 3, a longitudinally protruding dome-shaped sensor mounting portion 3 is formed on the top surface of the cap shell 1, and symmetrically arranged sensor mounting holes 31 are formed on the left and right sides of the dome-shaped sensor mounting portion 3, respectively. The attitude sensor and the A-GPS positioning terminal are respectively assembled in the corresponding sensor assembling holes 31. In order to improve the response speed of the telecommunication, as shown in fig. 1, the sensing device further includes a signal-enhancing antenna built in the sensor mounting hole 31. The wireless data transmission module is connected with the signal enhancement antenna, the signal enhancement antenna is remotely connected with the monitoring center server, the face extraction picture can be quickly transmitted to the monitoring center server, and the response speed is improved. The front of the cap shell 1 is provided with a curved surface LED display screen 4, detection information can be displayed on the curved surface LED display screen 4, the main control unit is connected with an electric quantity display module, and display content of the electric quantity display module is displayed on the curved surface LED display screen 4 in an electric quantity grid form. The power supply module is connected with an electric quantity management module, the electric quantity management module is connected with the main control unit, and residual electric quantity detected by the electric quantity management module is displayed on the curved surface LED display screen 4 through analog signals. In the preferred embodiment of the present invention, the attitude sensor module with the APDS-9930 model is adopted as the attitude sensor, which has the advantages of small volume and low power consumption. The human body infrared detection module 5 adopts a human body infrared sensor with the model of HC-SR501, and has the characteristics of small size and high sensitivity. The electric quantity management module is formed by a power management IC chip with the model number of L3R4 SOT-23-6, and the specific electric quantity display technology is the prior art and is not described herein again.

To sum up, the utility model discloses a detection device embeds in the safety helmet, can make the safety helmet utensil possess intelligent detection function. Can sense the wearing state of operation personnel through human infrared detection module, after sensing that the safety helmet is worn, main control unit awakens up face identification module and carries out facial recognition to the operation personnel who wears this safety helmet at present, discerns this operation personnel's identity ID information. The operation attitude and the operation range of the current operator can be detected by matching the attitude sensor and the A-GPS positioning terminal, so that the intelligent remote monitoring of the operator is realized.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the foregoing embodiments and the description with reference to the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications fall within the scope of the invention as claimed, which is defined by the claims appended hereto and their equivalents.

Claims

1. The utility model provides a wearing state detection device of safety helmet which characterized in that: including establishing face identification module (2), human infrared detection module (5), attitude sensor, A-GPS positioning terminal, wireless data transmission module, the main control unit, voice alarm, Flsha memory and the power module on safety helmet cap shell (1), human infrared detection module (5), attitude sensor, A-GPS positioning terminal's signal output part respectively with the main control unit is connected, the signal output part of main control unit respectively with voice alarm, face identification module (2) are connected, face identification module (2) with the signal output part of human infrared detection module (5) respectively with wireless data transmission module connects, wireless data transmission module is through wireless network and surveillance center server remote connection.

2. The wearing state detection device of a helmet according to claim 1, characterized in that: the face recognition module (2) is arranged on the lower surface of the brim (11) of the hat shell (1), and the shooting window of the face recognition module (2) faces the face of the front of a wearer.

3. The wearing state detection device of a helmet according to claim 2, characterized in that: face identification module (2) include CCD camera (21) and camera fixing base (22), camera fixing base (22) have one towards the facial slope installation terminal surface (221) of wearer, CCD camera (21) are fixed on slope installation terminal surface (221), the up end of camera fixing base (22) with the lower fixed surface connection of brim of a hat (11).

4. The wearing state detection device of a helmet according to claim 2, characterized in that: the human body infrared detection modules (5) comprise two human body infrared detection modules which are respectively arranged on the lower surface of the brim (11) and are positioned on the left side and the right side of the face recognition module (2).

5. The wearing state detection device of a helmet according to claim 1, characterized in that: the voice alarm comprises two waterproof loudspeakers (6) which are arranged on the left side and the right side of the inner side of the cap shell (1).

6. The wearing state detection device of a helmet according to claim 1, characterized in that: the top surface shaping of cap shell (1) has a vertical bellied arch sensor assembly portion (3), the sensor pilot hole (31) that the symmetry formula set up are formed respectively to the vault left and right sides face of sensor assembly portion (3), attitude sensor, A-GPS positioning terminal assemble respectively in corresponding in sensor pilot hole (31).

7. The wearing state detection device of a helmet according to claim 6, characterized in that: the wireless data transmission module is connected with the signal enhancement antenna, and the signal enhancement antenna is remotely connected with the monitoring center server.

8. The wearing state detection device of a helmet according to claim 1, characterized in that the front surface of the helmet shell (1) is provided with a curved LED display screen (4).