CN111653136A - A digital welding helmet for teaching and welding teaching device - Google Patents

Abstract

The invention discloses a digital welding helmet for teaching and a welding teaching device. The helmet can include: a helmet, a display device, a controller, a camera, a communication device and a first wireless communication device are arranged on the helmet, the controller is connected with the display device, the camera, the communication device and the first wireless communication device, and the controller controls The first wireless communication device transmits video data captured by the camera, and the controller controls the communication device to transmit audio signals. Through the display device, the working state of the welding spot captured by the camera can be displayed in real time. The teacher controls the first wireless communication device to transmit the video data captured by the camera through the controller during welding teaching, and the students receive the first wireless communication on the teacher's welding helmet. The video data sent by the equipment enables users to teach at the welding site, and through the communication equipment, multiple welding helmet wearers can communicate in real time, which is convenient for teaching and communication with users.

Description

A digital welding helmet for teaching and welding teaching device

technical field

The invention relates to the field of welding equipment, and more particularly, to a digital welding helmet for teaching and a welding teaching device.

Background technique

In the process of manual welding teaching or practical training, the traditional teaching mode is that the teacher demonstrates on the operating table and the students observe around the operating table. However, due to the interference of strong light and smoke, it is difficult for the students to clearly see the melting point through the filter lens. Changes in the shape of the pool and subtle movements such as the teacher carrying the gun and twisting the silk.

In the process of manual welding teaching or practical training, although the novel AR teaching mode can intuitively guide students to perform fine welding movements and observe the morphological changes of the molten pool in the classroom environment, it lacks the on-site experience of actual welding operations; and AR welding helmets are only suitable for classroom environments and do not allow students to experience the working environment of real welding.

The information disclosed in this Background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

SUMMARY OF THE INVENTION

The purpose of the present invention is to propose a digital welding helmet and a welding teaching device for teaching, so as to realize the welding teaching to the students on the spot without being disturbed.

In order to achieve the above purpose, the present invention proposes a digital welding helmet for teaching, including:

a helmet, which is provided with a display device, a controller, a camera, a communication device and a first wireless communication device;

The controller is connected with the display device, the camera, the communication device and the first wireless communication device, the controller controls the first wireless communication device to transmit video data captured by the camera, and the controller controls the communication device to transmit audio Signal.

Optionally, it also includes a solar battery charging board provided on the helmet, and the solar battery charging board is connected to the display device and the controller.

Optionally, the controller is set in a battery box, the battery box is set on the inner side of the helmet, the helmet is provided with a control button and outputs a control signal, and the controller receives the output from the control button. The control signal thus controls the opening and closing of the display device and the camera.

Optionally, it also includes a rechargeable battery pack provided in the battery box, a charging port is provided on the helmet, and the rechargeable battery pack is connected to the controller and the charging port.

Optionally, the display device includes a variable light surface screen and a transparent liquid crystal screen, and the transparent liquid crystal screen is provided on the variable light surface screen.

Optionally, it also includes an arc light sensing probe arranged on the helmet, and the arc light sensing probe is connected to the controller.

Optionally, it also includes a variable glossy screen brightness adjustment button and a transparent LCD screen brightness adjustment button, the variable glossy screen brightness adjustment button and the transparent LCD screen brightness adjustment button are both provided on the helmet and are connected with the controller is connected.

Optionally, it also includes a power display scale provided on the transparent liquid crystal screen, and the power display scale is connected to the rechargeable battery pack.

Optionally, the communication device includes a microphone and an earphone, the microphone and the earphone are connected to a controller, the controller controls the microphone to output a voice signal to the first wireless communication device, and the controller controls the The earphone receives the audio signal input by the first wireless communication device.

A welding teaching device, comprising a welding helmet, an edge computing terminal, a welding machine and a second wireless communication device, wherein the edge computing terminal is connected with the welding machine and the second wireless communication device, and there are multiple welding helmets, one of which is connected to the welding machine and the second wireless communication device. The welding helmet is the main welding helmet, and the other welding helmets are secondary welding helmets;

The first wireless communication device on the main welding helmet transmits the video signal to the second communication device, and the second communication device transmits the video signal incoming from the first wireless communication device on the main welding helmet to said first wireless communication device on said slave welding helmet;

The display device of the slave welding helmet displays the video data captured by the main welding helmet camera transmitted by the first wireless communication device.

The beneficial effect of the present invention is that: the teacher controls the first wireless communication device to transmit the video data captured by the camera during welding teaching, and the student receives the video data sent by the first wireless communication device on the teacher's welding helmet, and displays the video data through the display. The device can display the working status of the welding site captured by the camera in real time, and realize real-time video sharing, so that users can teach at the welding site. teaching and communication.

The apparatus of the present invention has other features and advantages which will be apparent from the drawings and the subsequent detailed description incorporated herein or from the drawings and the subsequent detailed description incorporated herein. These drawings and the detailed description are collectively used to explain certain principles of the invention.

Description of drawings

The above and other objects, features and advantages of the present invention will become more apparent from the more detailed description of the exemplary embodiments of the present invention in conjunction with the accompanying drawings, in which the same reference numerals generally refer to the same parts .

FIG. 1 shows a schematic structural diagram of a digital welding helmet for teaching according to an embodiment of the present invention.

FIG. 2 shows a schematic structural diagram of a transparent liquid crystal screen of a digital welding helmet for teaching according to an embodiment of the present invention.

Fig. 3 shows a schematic structural diagram of a welding teaching device according to an embodiment of the present invention.

In the picture: 3-second wireless communication device, 4-edge computing terminal, 5-welding machine, 7-camera, 8-first wireless communication device, 9-solar battery charging board, 10-variable glossy screen brightness adjustment Button, 11-arc sensor probe, 12-variable light screen, 13-helmet, 14-battery box, 16-control button, 17-charging port, 18-transparent LCD brightness adjustment button, 19-earphone, 20 -Transparent LCD screen, 21-electricity display ruler, 22-microphone.

Detailed ways

The present invention will be described in more detail below with reference to the accompanying drawings. While preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

A digital welding helmet for teaching according to the present invention includes:

A helmet, which is provided with a display device, a controller, a camera, a communication device and a first wireless communication device;

The controller is connected with the display device, the camera, the communication device and the first wireless communication device, the controller controls the first wireless communication device to transmit video data captured by the camera, and the controller controls the communication device to transmit audio signals.

The controller can control the first wireless communication device to transmit video data captured by the camera, or receive video data sent by the first wireless communication device on other welding helmets, and the display device can display the video data captured by the first wireless communication device and transmit the camera. , to achieve real-time video sharing, and through communication equipment, multiple welding helmet wearers can share in real time, which is convenient for teaching and communication with users.

1 shows a schematic structural diagram of a digital welding helmet for teaching according to an embodiment of the present invention, and FIG. 2 shows a transparent liquid crystal screen of a digital welding helmet for teaching according to an embodiment of the present invention. Schematic diagram of the structure, FIG. 3 shows a schematic diagram of the structure of a welding teaching device according to an embodiment of the present invention.

Example:

See Figure 1-2, a digital welding helmet for teaching, including:

The helmet 13 is provided with a display device, a controller, a camera 7, a communication device and a first wireless communication device 8;

The controller is connected with the display device, the camera 7, the communication device and the first wireless communication device 8. The controller controls the first wireless communication device 8 to transmit video data captured by the camera 7, and the controller controls the communication device to transmit audio signals.

Specifically, it also includes a solar battery charging plate 9 arranged on the helmet 13, and the solar battery charging plate 9 is connected with the display device and the controller.

Specifically, the controller is arranged in the battery box 14, the battery box 14 is arranged inside the helmet 13, the helmet 13 is provided with a control button 16 and outputs a control signal, and the controller receives the control signal output by the control button 16 to control the display device and the opening and closing of the camera 7.

Specifically, it also includes a rechargeable battery pack arranged in the battery box 14 , the helmet 13 is provided with a charging port 17 , and the rechargeable battery pack is connected to the controller and the charging port 17 .

Specifically, the display device includes a variable light surface screen 12 and a transparent liquid crystal screen 20 . The transparent liquid crystal screen 20 is provided on the variable light surface screen 12 , wherein the transparent liquid crystal screen 20 is the transparent liquid crystal screen 20 .

Specifically, it also includes an arc light sensing probe 11 arranged on the helmet 13, the arc light sensing probe 11 is connected to the controller, and the arc light sensing probe 11 can sense light intensity and send out corresponding electrical signals.

Specifically, it also includes the brightness adjustment button 10 of the variable glossy screen 12 and the brightness adjustment button 18 of the transparent liquid crystal screen 20. on the helmet 13 and connected to the controller.

Specifically, it also includes a power display scale 21 disposed on the transparent liquid crystal screen 20, and the power display scale 21 is connected to the rechargeable battery pack.

Specifically, the communication device includes a microphone 22 and an earphone 19, the microphone 22 and the earphone 19 are connected to the controller, the controller controls the microphone 22 to output a voice signal to the first wireless communication device 8, and the controller controls the earphone 19 to receive the first wireless communication device 8 input audio signals.

Referring to FIG. 3, a welding teaching device includes a welding helmet, an edge computing terminal 4, a welding machine 5 and a second wireless communication device 3, and the edge computing terminal 4 is connected to the welding machine 5 and the second wireless communication device 3, There are multiple welding helmets, one of which is the main welding helmet, and the other welding helmets are secondary welding helmets;

The first wireless communication device 8 on the main welding helmet transmits the video signal to the second communication device, and the second communication device transmits the incoming video signal from the first wireless communication device 8 on the main welding helmet to the slave welding helmet. In the first wireless communication device 8;

The display device of the main welding helmet displays the video data captured by the camera 7;

The display device of the welding helmet displays the video data captured by the main welding helmet camera 7 transmitted by the first wireless communication device 8 .

The camera 7 of the device is used to shoot the video image of the operation process of the manual welding scene and the shape of the molten pool, and the video image data is sent to the edge computing terminal 4 through the first wireless communication device 8 on the helmet 13 for processing; A transparent liquid crystal screen 20 is installed on the front side (behind the variable glossy screen 12), which is used for real-time display of the display signal generated by the edge computing terminal 4 after imaging processing; A solar battery charging plate 9 is installed on the upper part, and a plurality of independent arc light sensing probes 11 are arranged in the gap between the two. When the light intensity exceeds the threshold value, the variable glossy screen 12 can be dimmed instantly, and when the light intensity is lower than the threshold value, it can be The light transmittance of the variable glossy screen 12 is restored; the top and bottom of the inner side of the helmet 13 (under the transparent liquid crystal screen 20 ) are respectively built with earphones 19 and microphones 22. Synchronized lectures and multi-party calls between teachers and students;

The digital welding helmet for teaching can switch the working mode through the control button 16, and the working mode is divided into a teacher mode and a student mode. In the teacher mode or the actual production environment, the controller automatically adjusts the brightness of the variable glossy screen 12 based on the light intensity signal detected by the arc sensor probe 11 (you can also adjust the brightness of the variable glossy screen 12 through the brightness adjustment button 10 and the total The transparent liquid crystal screen 20 is in a closed state and remains transparent and visible; the camera 7 and the variable glossy screen 12 are kept in a synchronous switch state, and the operation process of the manual welding scene, the shape of the molten pool, etc. are continuously photographed during the welding process. video images. In the student mode, the variable glossy screen 12 also automatically adjusts the brightness based on the intensity of the light intensity signal detected by the arc light sensing probe 11 (it can also be manually adjusted through the brightness adjustment button 10 and the main switch of the variable glossy screen 12); transparent The LCD screen 20 of the transparent LCD screen 20 is automatically turned on and displays video images such as the operation process and the shape of the weld pool of the manual welding scene after the imaging processing of the welding edge computing terminal 4, and the brightness can be adjusted manually through the brightness adjustment button 18 of the transparent LCD screen 20; the camera 7 always remain closed;

The video data captured by the teacher through the camera 7 integrated in the helmet 13, and the voice data obtained by the microphone 22, through the point-to-point data communication link established by the wireless data communication module integrated in the welding helmet and the edge computing terminal 4 (the welding helmet for teachers). between the first wireless communication device 8 and the second wireless communication device 3 of the edge computing terminal 4), sent to the edge computing terminal 4 for processing such as calculation, imaging, etc., and finally the processed video display signal and voice broadcast signal pass through The point-to-multipoint data communication link established by the edge computing terminal 4 and the wireless data communication modules integrated with the welding helmets of all students (the connection between the wireless data communication module of the edge computing terminal 4 and the first wireless communication device 8 of the welding helmets of all students) time) are sent to the welding helmets of all students, and the transparent LCD screen 20 presents the video in real time, and the earphone 19 plays the voice in real time;

The digital welding helmet for teaching is equipped with rechargeable battery boxes 14 on both sides, one side only has a built-in rechargeable battery pack required to prolong the standby time of the helmet 13, and the other side integrates the core controller and circuit of the helmet 13, which can Rechargeable battery pack.

Among them, the main functions of the core controller and circuit of the helmet 13 include: realizing the establishment and maintenance of the data communication link between the first wireless communication device 8 and the second wireless communication device 3 of the welding helmet, and setting the IP-based information for teachers/students to send and receive information. The flag bit of the protocol;

The video data captured by the camera 7 and the voice data obtained by the microphone 22 are collected, and sent to the edge computing terminal 4 for processing through the wireless data communication link;

The welding helmet sent by the edge computing terminal 4 is received through the first wireless communication device 8, and the video signal is displayed in real time by the transparent liquid crystal screen 20, and the voice signal is played in real time by the earphone 19;

Real-time detection of the light-sensitive signal of the arc light sensing probe 11, when the light intensity exceeds the threshold, the variable glossy screen 12 can be dimmed instantly, when the light intensity is lower than the threshold, the light transmittance of the variable glossy screen 12 can be restored, and The brightness of the transparent LCD screen 20 can be adjusted with the brightness adjustment button 10 of the variable glossy screen 12;

Provides unified power supply management for the helmet 13 , integrates the distributed charging/discharging scheduling of two sets of rechargeable battery packs, USB charging ports 17 , and solar battery charging pads 9 , and can be prompted by the power display scale 21 below the transparent LCD screen 20 The remaining power can be charged through the USB charging port 17 during routine maintenance of the helmet 13 .

Various embodiments of the present invention have been described above, and the foregoing descriptions are exemplary, not exhaustive, and not limiting of the disclosed embodiments. Numerous modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (10)

1. A digital welding helmet for teaching, comprising:

the helmet is provided with a display device, a controller, a camera, a communication device and a first wireless communication device;

the controller is connected with the display equipment, the camera, the communication equipment and the first wireless communication equipment, the controller controls the first wireless communication equipment to transmit video data shot by the camera, and the controller controls the communication equipment to transmit audio signals.

2. The digital welding helmet for teaching of claim 1, further comprising a solar charging panel disposed on the helmet, the solar charging panel being connected to the display device and the controller.

3. The digital welding helmet for teaching of claim 1, wherein the controller is disposed in a battery box disposed inside the helmet, the helmet is provided with a control button and outputs a control signal, and the controller receives the control signal output by the control button to control the opening and closing of the display device and the camera.

4. The digital welding helmet for teaching of claim 3, further comprising a rechargeable battery pack disposed in the battery box, wherein the helmet is provided with a charging port, and the rechargeable battery pack is connected to the controller and the charging port.

5. The digital welding helmet for teaching of claim 1, wherein the display device comprises a variable light screen and a transparent liquid crystal screen, and the transparent liquid crystal screen is arranged on the variable light screen.

6. The digital welding helmet for teaching of claim 5, further comprising an arc sensing probe disposed on the helmet, the arc sensing probe being connected to a controller.

7. The digital welding helmet for teaching of claim 5, further comprising a variable screen brightness adjustment button and a transparent liquid crystal screen brightness adjustment button, both of which are disposed on the helmet and connected to the controller.

8. The digital welding helmet for teaching of claim 5, further comprising a power display scale disposed on the transparent liquid crystal display, wherein the power display scale is connected to the rechargeable battery pack.

9. The digital welding helmet for teaching of claim 1, wherein the communication device comprises a microphone and an earphone, the microphone and the earphone are connected to a controller, the controller controls the microphone to output a voice signal to the first wireless communication device, and the controller controls the earphone to receive an audio signal input by the first wireless communication device.

10. A welding teaching apparatus comprising the welding helmet of any one of claims 1 to 9, an edge computing terminal, a welder, and a second wireless communication device, the edge computing terminal being connected to the welder and the second wireless communication device, the welding helmet being a plurality of ones, one of the welding helmets being a master welding helmet and the remaining welding helmets being slave welding helmets,

a first wireless communication device on the master welding helmet transmitting video signals into the second communication device, the second communication device transmitting video signals incoming from the first wireless communication device on the master welding helmet into the first wireless communication device on the slave welding helmet;

the slave welding helmet display device displays video data captured by the master welding helmet camera transmitted by the first wireless communication device.

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