CN211326111U - Automatic light-changing electric welding protective eyeshade - Google Patents
Automatic light-changing electric welding protective eyeshade Download PDFInfo
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- CN211326111U CN211326111U CN201922184138.2U CN201922184138U CN211326111U CN 211326111 U CN211326111 U CN 211326111U CN 201922184138 U CN201922184138 U CN 201922184138U CN 211326111 U CN211326111 U CN 211326111U
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- automatic light
- light
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- electric welding
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Abstract
The utility model discloses an automatic light-changing electric welding protective eyeshade, which comprises an eyeshade and a picture frame fixed on the eyeshade, wherein the picture frame comprises a picture cover and an inner frame, the upper end of the picture cover is connected with the inner frame in a shaft way to form a flip structure, the picture cover is provided with a photoelectric sensor, the inner frame is provided with an automatic light-changing filter, the circuit on the automatic light-changing filter is connected with a PCB circuit board, and the PCB circuit board is provided with an amplifying circuit, an identification circuit, a signal conversion circuit and a control circuit; and a light regulating switch and a sensitivity regulating switch are respectively arranged on two sides of the mirror frame. The utility model discloses utilize the photoelectric sensing principle, make the automatic light filter that becomes of liquid crystal become the dark state by the bright state in the twinkling of an eye accepting the arc light, can trun into the bright state by the dark state automatically again after the welding to protect user's eyes to avoid arc light, infrared ray and ultraviolet harmful radiation, convenient and practical.
Description
Technical Field
The utility model relates to a protective eye cover technical field, concretely relates to automatic light-changing electric welding protective eye cover.
Background
The protective eye shield is a labor protection article which is frequently used by workers to protect eyes in the modern industrial production process, and the protective eye shield can be subjected to high temperature and high light in a plurality of processing technologies, particularly similar to metal welding and the like.
In the field of traditional electric arc welding, most people inlay dark glass which can block infrared rays and ultraviolet rays on a sight glass, the brightness of the perspective mirror can not be adjusted according to the brightness of the environment, and eyes are still injured in many times.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic become light electric welding eyeshade solves one or more among the above-mentioned prior art problem.
According to one aspect of the utility model, an automatic light-changing electric welding protective eyeshade is provided, which comprises an eyeshade and a picture frame fixed on the eyeshade, wherein the picture frame comprises a picture cover and an inner frame, the upper end of the picture cover is coupled on the inner frame to form a flip structure, a photoelectric sensor is arranged on the picture cover, an automatic light-changing filter is arranged on the inner frame, a circuit on the automatic light-changing filter is connected with a PCB circuit board, and the PCB circuit board is provided with an amplifying circuit, an identifying circuit, a signal conversion circuit and a control circuit; the two sides of the mirror frame are respectively provided with a light regulating switch and a sensitivity regulating switch.
The light adjusting switch is used for adjusting the light darkness degree of the automatic light changing filter, and the sensitivity adjusting switch is used for adjusting the sensitivity of the automatic light changing filter.
In some embodiments: the mirror cover is provided with a contact buckle which can buckle the mirror cover and the inner frame.
In some embodiments: the lens cover is provided with a perspective lens.
In some embodiments: the perspective mirror adopts an ultraviolet-proof lens. Therefore, the ultraviolet-proof lens can prevent the damage of external ultraviolet rays to eyes.
In some embodiments: the automatic light-changing filter adopts an LCD liquid crystal lens.
In some embodiments: the circuit on the PCB is connected with a battery and a power switch. Therefore, the power supply is supplied to each circuit through the battery, and the operation and the closing of the circuit can be controlled by the power switch.
In some embodiments: the eye mask is provided with an elastic band for the person to wear on the head. Therefore, people can wear the eyeshade on the head conveniently.
Has the advantages that:
the utility model relates to an automatic change light electric welding eyeshade utilizes the photoelectric sensing principle, makes the automatic light filter that becomes of liquid crystal become the dark state by bright state in the twinkling of an eye accepting electric arc light, can trun into bright state by dark state automatically again after the welding to protection user's eyes are avoided electric arc light, infrared ray and ultraviolet harmful radiation, convenient and practical.
Drawings
FIG. 1 is a schematic structural view of an automatic light-changing electric welding protective eyeshade of the present invention;
FIG. 2 is a schematic view of the internal structure of an automatic light-changing electric welding protective eyeshade of the present invention;
fig. 3 is a schematic diagram of a circuit structure of the PCB board.
Reference numerals and descriptions:
1. eye masks; 2. a mirror frame; 21. a mirror cover; 211. abutting and buckling; 212. a perspective mirror; 22. a mirror frame; 221. an automatic light-changing filter; 3. a photosensor; 4. a PCB circuit board; 5. a light adjustment switch; 6. a sensitivity adjustment switch; 7. a battery; 8. a power switch; 9. an elastic band.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the automatic light-changing electric welding protective eye patch comprises an eye patch 1 and a picture frame 2 fixed on the eye patch 1, wherein the picture frame 2 comprises a mirror cover 21 and an inner frame 22, and the upper end of the mirror cover 21 is connected to the inner frame 22 in a shaft mode to form a flip structure; the mirror cover 21 is provided with an abutting buckle 211, and the mirror cover 21 can be buckled with the inner frame 22 by the abutting buckle 211.
In some embodiments, the lens cover 21 is provided with a perspective lens 212, and the perspective lens 212 adopts an ultraviolet-proof lens, so as to prevent the eyes from being damaged by external red and ultraviolet rays.
The mirror cover 21 is provided with a photoelectric sensor 3, the inner frame 22 is provided with an automatic light-changing filter 221, the automatic light-changing filter 221 adopts an LCD (liquid crystal display) lens, two sides of the mirror frame 2 are respectively provided with a light adjusting switch 5 and a sensitivity adjusting switch 6, the light adjusting switch 5 is used for adjusting the light darkness degree of the automatic light-changing filter 221, and the sensitivity adjusting switch 6 is used for adjusting the sensitivity of the automatic light-changing filter 221.
In some embodiments, the eye mask 1 is provided with an elastic band 9 for a person to wear on the head.
As shown in fig. 2 and 3, the circuit of the automatic light changing filter 221 is connected with the PCB circuit board 4, the circuit of the PCB circuit board 4 is connected with the battery 7 and the power switch 8, the battery 7 supplies power to each circuit, and the power switch 8 controls the operation and the closing of the circuit; the PCB circuit board 4 is provided with an amplifying circuit, an identifying circuit, a signal conversion circuit and a control circuit, the signal end of the photoelectric sensor 3 is connected with the input end of the amplifying circuit, the output end of the amplifying circuit is connected with the identifying circuit and then connected with the input end of the control circuit, and the output end of the control circuit is connected with the controlled end of the automatic light-changing filter 221.
The utility model discloses the theory of operation: the power switch 8 is turned on first, then the brightness level and the sensitivity of the automatic light-changing filter 221 are controlled by adjusting the light-adjusting switch 5 and the sensitivity-adjusting switch 6, after a certain level is set, the mirror cover 21 is buckled by the abutting buckle 221, and the electric welding operation can be carried out by wearing the eye patch 1 by the elastic belt 9. Strong electric sparks are generated in the process of electric welding, harmful red and ultraviolet rays are filtered by the perspective mirror 212 on the outer layer of the mirror cover 21, then an optical signal generated by the electric sparks is received by the photoelectric sensor 3 and converted into an electric signal, the electric signal is amplified by the amplifying circuit and extracted by the identifying circuit and then output to the control circuit, and finally the control circuit controls the automatic light-changing filter 221 to adjust the electric signal to change the electric signal into proper light, so that the purpose of automatic light changing is achieved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, similar modifications and improvements can be made without departing from the inventive concept of the present invention, and these are also considered to be within the protection of the present invention.
Claims (7)
1. The utility model provides an automatic become light electric welding eyeshade which characterized in that: the eye-shade is characterized by comprising an eye shade (1) and a picture frame (2) fixed on the eye shade (1), wherein the picture frame (2) comprises a picture cover (21) and an inner frame (22), the upper end of the picture cover (21) is connected to the inner frame (22) in a shaft mode to form a flip structure, a photoelectric sensor (3) is arranged on the picture cover (21), an automatic light-changing filter (221) is arranged on the inner frame (22), a circuit on the automatic light-changing filter (221) is connected with a PCB (printed circuit board) (4), and an amplifying circuit, a discriminating circuit, a signal conversion circuit and a control circuit are arranged on the PCB (4); the two sides of the mirror frame (2) are respectively provided with a light regulating switch (5) and a sensitivity regulating switch (6).
2. The automatic light-changing electric welding protective eyeshade according to claim 1, characterized in that: the mirror cover (21) is provided with a collision buckle (211), and the mirror cover (21) and the inner frame (22) can be buckled by the collision buckle (211).
3. The automatic light-changing electric welding protective eyeshade according to claim 1, characterized in that: the lens cover (21) is provided with a perspective lens (212).
4. The automatic light-changing electric welding protective eyeshade according to claim 3, characterized in that: the perspective mirror (212) adopts an ultraviolet-proof lens.
5. The automatic light-changing electric welding protective eyeshade according to claim 1, characterized in that: the automatic light changing filter (221) adopts an LCD liquid crystal lens.
6. The automatic light-changing electric welding protective eyeshade according to claim 1, characterized in that: and a circuit on the PCB (4) is connected with a battery (7) and a power switch (8).
7. The automatic light-changing electric welding protective eyeshade according to claim 1, characterized in that: the eye patch (1) is provided with an elastic band (9) for a person to wear on the head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922184138.2U CN211326111U (en) | 2019-12-09 | 2019-12-09 | Automatic light-changing electric welding protective eyeshade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922184138.2U CN211326111U (en) | 2019-12-09 | 2019-12-09 | Automatic light-changing electric welding protective eyeshade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211326111U true CN211326111U (en) | 2020-08-25 |
Family
ID=72106202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922184138.2U Active CN211326111U (en) | 2019-12-09 | 2019-12-09 | Automatic light-changing electric welding protective eyeshade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211326111U (en) |
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2019
- 2019-12-09 CN CN201922184138.2U patent/CN211326111U/en active Active
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