CN210673562U - Auto-darkening welder's mask - Google Patents

Abstract

An automatic dimming welder's mask comprises a keel, a protective mask is arranged on the keel, a variable-color welder's lens and a control system are arranged on the protective mask to change color by using optical principles. The control system includes a photosensitive unit and a microprocessor, the photosensitive unit obtains the light signal, and the microprocessor sends a control signal to the power source according to the light signal, so as to realize the color change of the variable-color welder's lens. In the process of electric welding, the utility model can automatically change the color (deepening) of the welder's lens according to the flash generated by the welding operation. When the welding is paused, the color-changing welder's lens becomes lighter in color, so that the welder can view the welding object through the light-colored color-changing welder lens. Once the welding arc is generated, the mask line of sight will be dimmed to prevent damage from strong rays. After wearing, the utility model does not need to take off the protective mask for many times, the use of the utility model liberates the labor force, minimizes the bare-hand operation of the operator, saves the operation time, and improves the work efficiency.

Description

Auto-darkening welder's mask

technical field

The embodiment of the utility model relates to the technical field of welding protective equipment, in particular to an automatic darkening welder's mask.

Background technique

In the process of electric welding, the position of the welding spot will emit a very strong light, which is very harmful to the eyes of the welding workers. In addition, during the welding process, slag splashing will inevitably occur, which will burn human skin. Therefore, it is necessary to wear a welding protective mask during the welding process, and use the welding protective mask to protect the welding construction personnel.

The traditional welding protective mask will set a very dark lens at its window position. During welding, the light emitted by the welding point will be weakened by the lens, so as to reach the visual level of the human eye. After each welding action is completed, the welding The construction personnel need to take off the welding protective mask to check the welding condition of the welding part. In one completed welding operation, the welding construction personnel need to check the welding situation many times, which causes the welding construction personnel to repeatedly remove and wear the welding protective mask, which not only increases the cumbersomeness of the welding construction, but also reduces the welding performance. construction efficiency.

Utility model content

In summary, how to provide a welding protective mask that can successfully complete the welding operation without taking it off has become an urgent problem to be solved by those skilled in the art.

In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:

The utility model provides an automatic dimming welder's mask, which comprises:

Helmet keel for fitting over welder's head;

a protective mask arranged on the front side of the keel for providing protection to the welder's face, and a viewing window is opened on the protective mask;

It has a color-changing welder's lens that changes color after being powered on, and is electrically connected to the color-changing welder's lens with a power source for supplying a color-changing voltage to it, the color-changing welder lens is arranged on the window, and the power source is arranged on the keel superior;

A control system with a photosensitive control function, the control system includes a microprocessor and a photosensitive unit signally connected to the microprocessor, the photosensitive unit is arranged on the front side of the keel, and the microprocessor is connected with the photosensitive unit. The power supply is controlled and connected, and the microprocessor is arranged on the keel.

Preferably, the keel is a frame structure made of elastic plastic according to ergonomics and adapted to the shape of the human head.

Preferably, the present invention further includes a protective plate, a plurality of the protective plates are provided, the protective plates are detachably arranged on the keel, and the edges of two adjacent protective plates are abutted against each other.

Preferably, the present invention also includes a ventilation and heat dissipation system; the ventilation and heat dissipation system includes a blower box, and a flexible and deformable ventilation pipe is connected with the blower box, and the ventilation pipe is arranged on the inner side of the keel. It is arranged close to the top of the keel, the ventilation pipe is fixed on the keel, and an air outlet is opened on the lower side of the ventilation pipe. A micro fan blows air inside the blower box, one end of the ventilation pipe is communicated with the blower box, and the other end of the ventilation pipe is closed.

Compared with the prior art, the utility model has the following beneficial effects:

Through the above structural design, the automatic darkening welder's mask provided by the present invention includes a keel, a protective mask is arranged on the keel, and a variable-color welder's lens and a control system are arranged on the protective mask to change color using optical principles . The control system includes a photosensitive unit and a microprocessor, the photosensitive unit obtains the light signal, and the microprocessor sends a control signal to the power source according to the light signal, so as to realize the color change of the variable-color welder's lens. In the process of electric welding, the present invention can automatically change the color (deepening) of the welder's lens according to the flash generated by the welding operation. When welding is paused, the color-changing welder lens becomes lighter in color, so that the welder can view the welding object through the light-colored color-changing welder lens. Once a welding arc is generated, the mask line of sight will be dimmed to prevent damage from strong rays. After wearing, the present invention does not need to take off the protective mask many times, the use of the invention liberates the labor force, minimizes the bare-hand operation of the operator, saves the operation time, and improves the work efficiency.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that are required to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those of ordinary skill in the art, other implementation drawings can also be obtained according to the extension of the drawings provided without creative efforts.

The structures, proportions, sizes, etc. shown in this specification are only used to cooperate with the contents disclosed in the specification, so as to be understood and read by those who are familiar with the technology, and are not used to limit the conditions that the present invention can be implemented. The technical substantive significance, the modification of any structure, the change of the proportional relationship or the adjustment of the size, without affecting the effect that the utility model can produce and the purpose that can be achieved, should still fall within the scope disclosed in the present utility model. Technical content must be able to cover the scope.

Fig. 1 is the structural schematic diagram of automatic dimming welder's mask in the embodiment of the utility model;

In Figure 1, the corresponding relationship between component names and reference numerals is:

Keel 1, protective mask 2, variable color welder lens 3, microprocessor 4, photosensitive unit 5.

Detailed ways

The embodiments of the present invention will be described below by specific specific embodiments. Those who are familiar with the technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are of the present invention. Some examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIG. 1 . FIG. 1 is a schematic structural diagram of an automatic darkening welder's mask according to an embodiment of the present invention.

The utility model provides an automatic dimming welder's mask, in the utility model, the automatic dimming welder's mask comprises a helmet-type keel 1 for covering the welder's head. A frame structure made of plastic that is adapted to the shape of the human head.

In one embodiment of the present utility model, the keel 1 includes a top beam designed with a curved structure arranged at the top, the top beam is a cross beam in the wearing state, and a longitudinal beam arranged in the middle of the top beam and perpendicular to the top beam , the top beam and the longitudinal beam form a cross structure, so that when the utility model is worn on the head of the welding construction worker, the top beam and the longitudinal beam can be placed on the top of the human head, thereby providing support for the wearing of the keel 1 . The longitudinal beam is designed with a curved structure, and a stabilization beam is set on the longitudinal beam. The stabilization beam is perpendicular to the longitudinal beam, and it contacts the rear side of the head of the welding construction worker, which can increase the stability of the keel 1 wearing.

In order to further improve the wearing stability of the utility model, the utility model is also provided with an elastic elastic band on the keel 1, and the elastic band is worn on the position of the chin of the welding construction worker by hooking.

The above-mentioned keel 1 is a skeleton structure, which has the most basic wearing function. In order to further improve the protection of the keel 1 to the head of the welding construction worker, the utility model is provided with a protective plate on the keel 1. Through the limited structural design by the designer, the protective plate can be set into multiple pieces, and the protective plate is detachably arranged on the keel 1, and the edges of the two adjacent protective plates are abutted, and the protective plate is set on the keel 1. A structure similar to a helmet can be formed, so that the utility model can provide more comprehensive protection to the head of the welding construction personnel.

In one embodiment of the present invention, the outer side of the protective plate is made of a hard plate with impact resistance, such as high-strength PVC plastic, there is an asbestos layer in the middle layer of the protective plate, and an asbestos layer on the inner side of the protective plate is Sponge layer, which can improve wearing comfort.

The protective plate and the keel 1 adopt a detachable structure design, and its connection structure is as follows: a hook that can catch the keel 1 is arranged on the protective plate, and the edges of the two protective plates that are in contact with each other are spliced by a mortise and tenon structure, so that, Through the above-mentioned two structural optimizations, not only can the reliability of the protective plate on the keel 1 be increased, but also the protective plate can be detached from the keel 1 .

A protective plate is set on the keel 1, and the protective plate can provide comprehensive protection for the head of the welding construction personnel. While bringing beneficial effects, it also brings certain problems. For example, if it is worn on the head of the welding construction personnel, its It will cause sweltering problems. In order to solve this problem, the present invention also provides a ventilation and heat dissipation system. Specifically, the ventilation and heat dissipation system includes a blower box. The blower box is a small plastic box body. The blower box is fixedly arranged on the keel 1. On the keel 1, it can also be fixed by bolts. A flexible and deformable ventilation pipe is connected with the blast box, the ventilation pipe is a rubber pipe, and the ventilation pipe is arranged on the blast box by means of interference inserting. The ventilation pipe is arranged on the inner side of the keel 1 and close to the top of the keel 1, the ventilation pipe is fixedly arranged on the keel 1, and an outlet hole is opened on the lower side of the ventilation pipe, and an air outlet is provided on the blast box for the ventilation pipe. One end of the ventilation pipe is connected with the blower box, and the other end of the ventilation pipe is closed. After wearing the keel 1 to the head, start the micro fan, blow fresh air into the blast box from the micro fan, and blow the air out from each air outlet along the ventilation pipe, which solves the above-mentioned sultry problem.

The utility model is provided with a protective mask 2 on the front side of the keel 1 for providing protection to the welder's face, and a viewing window is opened on the protective mask 2 . The protective mask 2 can be made of metal sheet or engineering plastics. The protective mask 2 is provided with a rectangular hole structure, that is, a viewing window, through which the welding construction personnel can observe the welding condition of the welding workpiece.

A color-changing welder's lens 3 that changes color after power-on is arranged on the viewing window, and a power source for supplying a color-changing voltage is electrically connected to the color-changing welder's lens 3 . superior. The color-changing welder lens 3 includes two transparent substrates, and a liquid crystal body that becomes darker after being energized is arranged between the two substrates. The power source is electrically connected to the color-changing welder lens 3, and the power supply voltage can be changed Change of color-changing welder's lens 3 from light (dark) to dark (light).

The present invention is also provided with a control system with photosensitive control function, the control system includes a microprocessor 4 and a photosensitive unit 5 signally connected to the microprocessor 4, the photosensitive unit 5 is arranged on the front side of the keel 1, and the microprocessor 4 is connected to the power control, and the microprocessor 4 is arranged on the keel 1 .

Through the above-mentioned structural design, in the automatic darkening welder's mask provided by the present invention, it includes a keel 1, a protective mask 2 is arranged on the keel 1, and a color-changing welder that uses an optical principle to change color is arranged on the protective mask 2 Lens 3 and control system. The control system includes a photosensitive unit 5 and a microprocessor 4. The photosensitive unit 5 obtains a light signal, and the microprocessor 4 sends a control signal to the power source according to the light signal, so as to realize the color change of the color-changing welder's lens 3. In the process of electric welding, the present invention can automatically change the color (deepening) of the welder's lens according to the flash generated by the welding operation. When the welding is suspended, the color of the color-changing welder lens 3 becomes lighter, so that the welder can view the welding object through the light-colored color-changing welder lens 3 . Once a welding arc is generated, the mask line of sight will be dimmed to prevent damage from strong rays. After wearing, the present invention does not need to take off the protective mask 2 for many times, the use of which liberates the labor force, minimizes the bare-hand operation of the operator, saves the operation time, and improves the work efficiency.

Although the present utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the present utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not departing from the spirit of the present invention belong to the scope of protection of the present invention.

Claims (4)

1. An automatic darkening welding helmet, comprising:

a head-mounted keel (1) for fitting over the head of a welder;

the protective mask (2) is arranged on the front side face of the keel and used for protecting the face of a welder, and a window is formed in the protective mask;

the variable color welder lens (3) is capable of changing color after being electrified, a power supply used for providing color changing voltage for the variable color welder lens is electrically connected with the variable color welder lens, the variable color welder lens is arranged on the window, and the power supply is arranged on the keel;

control system with sensitization control function, control system including microprocessor (4) and with microprocessor signal connection's sensitization unit (5), sensitization unit set up in on the leading flank of fossil fragments, microprocessor with power control connects, microprocessor set up in on the fossil fragments.

2. The automatic darkening welding helmet of claim 1,

the keel is a frame structure which is made of elastic plastic and is matched with the shape of the head of a human body according to human engineering.

3. The automatic darkening welding helmet of claim 1,

still including the guard plate, the guard plate is provided with the polylith, guard plate detachably is provided with on the fossil fragments, adjacent two the guard plate edge offsets.

4. The automatic darkening welding helmet of any of claims 1-3,

the device also comprises a ventilation and heat dissipation system;

the ventilation cooling system is including the blast box, with the blast box is connected with flexible ventilation pipe, the ventilation pipe set up in on the medial surface of fossil fragments and close to the top of fossil fragments sets up, in the ventilation pipe fixed set up in on the fossil fragments and in the exhaust vent has been seted up on the downside of ventilation pipe, in be provided with on the blast box be used for to the inside micro-fan of blowing of blast box, the one end of ventilation pipe with the blast box intercommunication, the other end of ventilation pipe is sealed.

Images