CN115988307A

CN115988307A - Protection type industrial camera beneficial to use in various processing environments

Info

Publication number: CN115988307A
Application number: CN202310264879.XA
Authority: CN
Inventors: 曾微维
Original assignee: Hunan Medvision Technology Co ltd
Current assignee: Hunan Medvision Technology Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-04-18
Anticipated expiration: 2043-03-20
Also published as: CN115988307B

Abstract

The invention relates to the technical field of industrial cameras, in particular to a protective industrial camera which is beneficial to various processing environments. The camera comprises a camera body, wherein a shielding plate is arranged on the camera body, a limiting plate is arranged on the shielding plate, the shielding plate rotates to control the limiting plate to move, an included angle for limiting light rays to be scattered is formed between the shielding plate and the limiting plate and at a position close to a shooting part of the camera body, and a workpiece below the camera body is positioned and calibrated when the shielding plate rotates; after the workpiece position is calibrated and the included angle limits the light illumination range, the exposure time in the image shot by the camera body is influenced. According to the invention, the shielding plate and the limiting plate are close to the camera body, and the included angle between the shielding plate and the limiting plate is used for limiting the irradiation range of the flash lamp, so that the position of the workpiece is irradiated by light rays brighter, and the image shooting precision of the camera body is improved.

Description

Protection type industrial camera beneficial to use in various processing environments

Technical Field

The invention relates to the technical field of industrial cameras, in particular to a protective industrial camera which is beneficial to various processing environments.

Background

Industrial cameras are a key component in machine vision systems, and their most essential function is to convert light signals into ordered electrical signals.

The current industrial camera is generally used in the fields of mechanical manufacturing, chemical products and the like (hereinafter referred to as a processing center), but the processing center is generally arranged indoors, indoor light is originally smaller than the intensity of external light, and due to the shielding of some indoor large-scale structures, a workpiece picture shot by the industrial camera is dark, which is caused by ambient light, and meanwhile, the industrial camera causes an important problem of abnormal image definition in the use process;

then, in the shooting process of the industrial camera, due to the fact that light is dark, the industrial camera needs to determine that an image shot by the industrial camera is brighter and clearer by adjusting the exposure duration, wherein the exposure duration of the industrial camera is associated with the darkness of the environment, specifically:

when the environment is darker, the exposure time of the industrial camera is longer, and the shot image is brighter;

then, when necessary, the industrial camera needs to carry out forced supplementary lighting by turning on the flash lamp so as to carry out shooting, but the lighting range of the flash lamp is not limited, when only one workpiece needs to be lighted, the lighting range of the flash lamp far exceeds the self volume range of the workpiece, so that light is in a dispersed state in a dark environment, the lighting range of the flash lamp is wasted, meanwhile, because the light is dispersed all around, the brightness of the position of the workpiece cannot reach the optimal degree, the exposure time of the industrial camera is increased, the shooting time of the industrial camera is delayed, and the overall working efficiency of the industrial camera is reduced;

moreover, the range of the shot by the lens of the industrial camera is limited, and is usually between 40 ° and 120 °, but when the workpiece is located at an angle deviated from the angle shot by the industrial camera (the workpiece is located outside the maximum shooting angle of the industrial camera), the image of the workpiece shot by the industrial camera is not comprehensive enough;

here, the flash in the existing industrial camera is generally disposed near the lens, and when the workpiece deviates from the lens position of the industrial camera, the condition of the workpiece illuminated by the flash and the time length of exposure of the industrial camera are affected again.

Disclosure of Invention

The present invention is directed to a protective industrial camera for use in various processing environments to solve the above problems.

In order to achieve the above object, the present invention provides a protective industrial camera for use in multiple processing environments, including a camera body, wherein a shutter is disposed on the camera body, a limiting plate is disposed on the shutter, the shutter rotates to control the movement of the limiting plate, and an included angle for limiting light rays to escape is formed between the shutter and the limiting plate and at a position close to a shooting part of the camera body, wherein:

in the rotating process of the shielding plate, positioning and calibrating a workpiece below the camera body;

after the workpiece position is calibrated and the included angle limits the light illumination range, the exposure time in the image shot by the camera body is influenced.

As a further improvement of the technical scheme, the shielding plate is installed on the camera body through the installation part, a motor connected with the shielding plate is arranged on the installation part, and the motor is used for driving the shielding plate to rotate on the installation part. The limiting plate removes dirt attached to the heat dissipation opening in the process of following the shielding plate to move.

As a further improvement of the technical scheme, the position of the shielding plate close to the limiting plate is provided with the bearing bin, and the limiting plate guides the dirt to slide into the bearing bin to be collected through the change of the inclination of the limiting plate in the process of removing the dirt at the heat dissipation opening.

As a further improvement of the technical scheme, the side surface of the limiting plate is provided with a limiting arm, the limiting plate limits the sliding track of the dirt in the process of guiding the dirt to slide through the limiting arm, wherein:

a limiting spring for controlling the limiting plate to reset is arranged between the limiting plate and the shielding plate;

the limiting plate is close to the one end of camera body and installs the slider, seted up the slide on the camera body, the slider slides in the slide and sets up.

As a further improvement of the technical scheme, when the included angle blocks the divergence range of the flash lamp, the size change of the included angle is influenced by the size of the workpiece, and the included angle is respectively as follows:

when the size of the workpiece is smaller, the shielding plate and the limiting plate are closer to the workpiece, the included angle is gradually increased, the included angle blocks light rays in a larger range, and the position of the workpiece is brighter;

on the contrary, when the size of the workpiece is larger, the included angle is gradually reduced, the included angle blocks light rays in a smaller range, and the range of the workpiece irradiated by the light rays is wider.

As a further improvement of the present technical solution, the exposure time of the camera body is affected as follows:

when the included angle blocks the scattering range of light, the position of the workpiece is brighter, and the exposure time of the camera body is shortened.

As a further improvement of the technical scheme, one end of the shielding plate, which is close to the workpiece below, is provided with an extending flow guide part, when the shielding plate blocks dirt, the shielding plate guides the dirt to slide down along the surface of the shielding plate, and the movement track of the dirt is guided by the direction of the extending flow guide part to be far away from the workpiece.

As a further improvement of the technical scheme, a pressing wiping plate is mounted at a position, close to the shielding plate, of the camera body, the pressing wiping plate is connected with the camera body through a fixed spring, when the limiting plate moves close to the camera body, the limiting plate inclines to be close to the pressing wiping plate, and dirt remaining on the surface of the limiting plate is guided out through the pressing wiping plate.

As a further improvement of the technical scheme, a fan is arranged on the shield plate, the fan is close to the side position of the workpiece, the fan is used for blowing off foreign matters on the surface of the workpiece, and the blowing angle of the fan is changed in the movement process of the shield plate;

in this, the fan blows and penetrates the foreign matter and receives the guide of sunshade, makes the foreign matter drop in the both sides of work piece.

Compared with the prior art, the invention has the beneficial effects that:

in this do benefit to protection type industry camera that multiple processing environment used, be close to the camera body through sunshade and restriction board to the contained angle restriction flash light scope of shining between sunshade and the restriction board makes the position of light with the work piece shine brighter, shoots the precision of image with the promotion camera body.

In this do benefit to protection type industry camera that multiple processing environment used, when the limiting plate is close to the camera body gradually, the limiting plate clears away adnexed filth on the camera body thermovent to improve the heat that the inside electronic component of camera body produced and by thermovent and external exchange's speed, more can promote the precision that the camera body shot the image.

In this protection type industry camera that does benefit to multiple processing environment and use, through the range of dispersing of contained angle restriction light, make the camera body open the in-process that the flash light was shot, shorten before the length is relative when the exposure of camera body for the precision and the efficiency of camera body shooting image.

In the protective industrial camera which is beneficial to being used in various processing environments, the movement of the shielding plate is used for positioning and calibrating a workpiece positioned below the camera body, so that the workpiece is positioned right below the camera body, and the workpiece is ensured not to deviate from the shooting range of the camera body;

herein, after the work piece location calibration, the light shines the work piece also brighter to shorten the exposure duration of camera body once more, further accelerate the shooting rate of camera body.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a second schematic view of the overall structure of the present invention;

FIG. 3 is a third schematic view of the overall structure of the present invention;

FIG. 4 is a schematic view of the structure at A of FIG. 2 according to the present invention;

FIG. 5 is an exploded view of the shield and restrictor plate configuration of the present invention;

FIG. 6 is a schematic view of the positioning blocking mechanism of the present invention;

FIG. 7 is a schematic view of the configuration of the limiting plate and the pressure wiping plate of the present invention;

FIG. 8 is a schematic view of the structure at B of FIG. 7 according to the present invention.

The various reference numbers in the figures mean:

1. a camera body; 11. a heat dissipation port; 12. a slideway;

2. a shutter; 21. an installation part; 22. a motor; 23. a receiving bin; 24. an extended flow guide part;

3. a limiting plate; 31. a restraining spring; 32. a slider;

4. positioning a blocking mechanism; 41. an outer blocking portion; 42. an inner blocking portion; 43. a connecting portion;

5. pressing and wiping the plate; 51. fixing the spring;

6. a fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Referring to fig. 1 to 8, the present embodiment provides a protective industrial camera beneficial to various processing environments, including a camera body 1, a shielding plate 2 is disposed on the camera body 1, a limiting plate 3 is disposed on the shielding plate 2, and the shielding plate 2 is disposed at a lateral position of the camera body 1, when the camera body 1 is used under some narrow conditions, the shielding plate 2 effectively protects the camera body 1, and reduces the occurrence of blurring of images photographed by collision of the camera body 1;

when the camera body 1 shoots darkly, namely light in the environment cannot reach the condition that the shot image of the camera body 1 is bright and accurate, the shielding plate 2 rotates to control the limiting plate 3 to move, the shielding plate 2 and the limiting plate 3 are matched to form an included angle capable of blocking the light from being diffused, the illuminating range of a flash lamp in the camera body 1 is limited through the included angle, and when the flash lamp is shot and started by the camera body 1, the included angle limits the outward diffusion range of the light of the flash lamp, so that the illuminating range of the flash lamp is reduced, and the brightness of a workpiece position is improved; wherein, limiting plate 3 is in the in-process of laminating camera body 1 motion, and limiting plate 3 clears away the adnexed filth of camera body 1 heat dissipation department to guarantee camera body 1 inside electronic component's normal ventilation cooling, further promote the precision that camera body 1 shot the image.

Next, along with the process that the shielding plate 2 is close to the camera body 1, one end of the shielding plate 2 in the included angle direction contacts with a workpiece below the included angle direction, so as to position and calibrate the workpiece below the included angle direction, and the workpiece is located under the shooting lens of the camera body 1 (such as the workpiece marked in fig. 3), thus solving the problem that the shot image is not comprehensive enough when the workpiece deviates from the shooting angle of the lens, and being more beneficial to the shooting work of the camera body 1, thereby solving the problems that the image shooting abnormality exists in the using process of the current camera body 1 and the overall shooting inspection work efficiency is slow, and improving the practicability of the camera body 1 in the industrial field, and further elaborating and implementing the following above scheme:

the shutter 2 is installed on the camera body 1 through the installation part 21, the motor 22 connected with the shutter 2 is arranged on the installation part 21, the motor 22 is used for driving the shutter 2 to rotate on the installation part 21, the shutter 2 is rotationally arranged on the installation part 21, the motor 22 drives the shutter 2 to rotate, convenient rotation regulation and control of the shutter 2 are achieved, the control of the limiting plate 3 to follow the movement is facilitated, and the whole device is convenient and fast to operate; the motor 22 is miniature, and is more suitable for the camera body 1.

Then, in order to ensure the accuracy of the electronic components and the image shooting in the camera body 1, the side of the camera body 1 is provided with a heat dissipation opening 11 for ventilation and heat dissipation, the limiting plate 3 removes the dirt attached to the heat dissipation opening 11 in the process of following the movement of the shielding plate 2, and the limiting plate 3 is mounted on the shielding plate 2 in a rotating or hinged manner, and the heat generated by the electronic components in the camera body 1 is exchanged with the outside air through the heat dissipation opening 11, but therefore, when the camera body 1 is used in some complicated environments, such as: when some stick processing workshops, chemical industry produce other workshops such as workshop, produced dust in the processing workshop, the dust all can fall on thermovent 11, thereupon camera body 1's live time increases, lead to camera body 1's thermal diffusivity to weaken gradually, and then, the motion that limiting plate 3 is close to camera body 1 gradually will be by thermovent 11's bottom upward movement, clear away some adnexed dust or dust filth on the thermovent 11, in order to promote camera body 1 inside electronic component and the precision that the image was shot.

The receiving bin 23 is installed at a position, close to the limiting plate 3, of the shielding plate 2, in the process of removing the dirt of the heat dissipation port 11, the limiting plate 3 guides the dirt to slide into the receiving bin 23 to be collected through changing of the inclination of the limiting plate 3, and the receiving bin 23 is installed on the shielding plate 2 in a clamping mode, so that after the receiving bin 23 receives a certain amount of dirt, the receiving bin 23 can be conveniently detached to clean the dirt, and the subsequent installation and use of the receiving bin 23 can be facilitated through cleaning the receiving bin 23; in this way, the dirt is not directly collected between the shielding plate 2 and the limiting plate 3, so that the dirt is prevented from sliding outwards along the space between the shielding plate 2 and the limiting plate 3, and the dirt is prevented from influencing the workpiece or the position of the workpiece below the dirt.

In order to limit the path of the limiting plate 3 for guiding dirt: the side of limiting plate 3 is provided with the restriction arm, makes limiting plate 3 restrict the orbit that filth landing through the restriction arm at the in-process of guide filth landing, wherein:

a limiting spring 31 for controlling the reset of the limiting plate 3 is arranged between the limiting plate 3 and the shield plate 2;

the limiting arm is used for blocking the side face of the limiting plate 3, so that the problem that when the limiting plate 3 guides dirt to slide off, the dirt leaves along the side face of the limiting plate 3 is solved, and then when the shielding plate 2 is gradually far away from the camera body 1, the limiting plate 3 is forced to quickly reset by the elastic force of the limiting spring 31, and the subsequent use of the limiting plate 3 is facilitated; among this, the slider 32 is installed to the one end that limiting plate 3 is close to camera body 1, has seted up slide 12 on the camera body 1, and slider 32 slides in slide 12 and sets up, and limiting plate 3 slides in slide 12 with the help of slider 32, makes limiting plate 3 more stable in the process of being close to or keeping away from camera body 1, does benefit to camera body 1 and shoots accurate image.

The effect of limiting the light irradiation range by the included angle is further analyzed: the contained angle is when blockking flash lamp light divergence scope, and the size change of its contained angle receives the influence of work piece size of a dimension, is respectively:

when the size of the workpiece is smaller, the shielding plate 2 and the limiting plate 3 are closer to the workpiece, the included angle is gradually increased, the included angle blocks light rays in a larger range, and the position of the workpiece is brighter;

when the work piece size is great, contained angle dwindles gradually, and the contained angle blocks the light of less scope, and the scope that the work piece was shone by light is wider, consequently according to above-mentioned two kinds of circumstances, through the change of contained angle between sunshade 2 and the limiting plate 3, the measurement and the scope of work piece are shone to corresponding control flash light to in camera body 1 can more shoot comparatively bright and accurate work piece image.

The contained angle is when the irradiation range of control light, and the exposure duration that camera body 1 carried out receives the influence, specifically is:

when the contained angle blockked the scattering scope of light, the position that the work piece was located is brighter, and camera body 1's exposure is long to be shortened, consequently, through the scope that the contained angle restriction flash light shines, reduces the waste of light and shines, after the luminance promotion that satisfies the work piece position, reduces camera body 1 time when adjusting exposure under this environment simultaneously to accelerate camera body 1 and shoot the precision and the rate of image.

Further optimization and improvement are made on the structure of the shielding plate 2: because of sunshade 2 needs carry out certain location calibration to the work piece, make sunshade 2 in this scheme be the arc setting, but also consequently, when the lateral surface guide filth landing of sunshade 2, the filth can drip to the position that sunshade 2 is close to the work piece, and then, the one end that sunshade 2 is close to the below work piece is provided with extension water conservancy diversion portion 24, when sunshade 2 is blockking the filth, sunshade 2 guide filth are along its surperficial landing, and filth motion trail receives the direction guide of extending water conservancy diversion portion 24 and keeps away from the work piece, nevertheless through the setting of extension water conservancy diversion portion 24, just guide the position of dripping or flowing the work piece to keeping away from the filth, make the work piece of filth can not influence the below.

Considering the position of the heat dissipation opening 11 for heat dissipation and ventilation of the electronic component, the discharged air flow is heat-wet, and the heat-wet air flow can humidify the dirt on the heat dissipation opening 11, so that the dirt has certain viscosity, and when the limiting plate 3 guides the dirt to slide down, the dirt can be adhered to the limiting plate 3:

the camera body 1 is provided with the pressure wiping plate 5 at a position close to the shielding plate 2, the pressure wiping plate 5 is connected with the camera body 1 through the fixed spring 51, when the limiting plate 3 moves close to the camera body 1, the limiting plate 3 inclines to be close to the pressure wiping plate 5, and dirt remained on the surface of the limiting plate 3 is led out through the pressure wiping plate 5, so that the limiting plate 3 gradually approaches to and contacts the pressure wiping plate 5 in the process of removing the dirt, the limiting plate 3 is initially removed through the pressure wiping plate 5 and enters the limiting plate 3 to be rapidly extruded, the dirt enters the bearing bin 23 more rapidly, and then the limiting plate 3 is subsequently removed and guides the dirt to enter the bearing bin 23 more rapidly, so that the dirt collection is facilitated;

wherein, through the setting of fixed spring 51, make pressure and wipe board 5 can not be in fixed state, when the gradient of limiting plate 3 continuously changes and causes the extrusion to pressure and wipe board 5, pressure and wipe board 5 also can rotate the gradient of change self, guarantee that limiting plate 3 can carry out normal use, and the elastic hardness of fixed spring 51 is greater than limiting spring 31, just when avoiding pressure and wipe board 5 and limiting plate 3 initial contact, the problem that pressure and wipe board 5 self position easily changes, also guarantee to press and wipe the effect that the dirt extrudeed on limiting plate 3 of board 5.

In order to clean the surface of the workpiece, the accuracy of the camera body 1 for shooting the workpiece image is improved: the curtain board 2 is provided with the fan 6, the fan 6 is close to the side position of the workpiece, the fan 6 is used for blowing off foreign matters on the surface of the workpiece, in the moving process of the curtain board 2, the blowing angle of the fan 6 is changed, the fan 6 is a micro-type device, the curtain board 2 in the scheme is symmetrically arranged, namely, the two curtain boards 2 are arranged, the two fans 6 are also respectively arranged at the edge of the curtain board 2, the two fans 6 are arranged in a staggered mode and are arranged in a staggered mode so as to integrally clean the surface of the workpiece, therefore, the surface of the workpiece is ensured not to have the debris foreign matters, the debris foreign matters refer to the debris on the surface of the workpiece which is just processed, and the image of the workpiece shot by the camera body 1 is more accurate through the blowing off of the fans 6,

immediately, change along with 2 rotation inclination of sunshade, the position that 6 blowers blown the foreign matter on the work piece changes gradually, realize that the air current blows the condition of penetrating from the one end of work piece to the other end, accomplish the comprehensive clearance of foreign matter, and the foreign matter is receiving the promotion back of blowing power, the foreign matter receives the arcwall face guide of sunshade 2 thereupon, make the multiquantum foreign matter can drop in the below along the tip of sunshade 2, realize that the cleanness and the location of foreign matter assemble the collection, avoided near the work piece of foreign matter in disorder, the follow-up cleanness of the foreign matter of being more convenient for.

Then, a further extension is made to the whole scheme, as follows: the positioning blocking mechanism 4 is arranged between the limiting plate 3 and the camera body 1, the positioning blocking mechanism 4 comprises an outer blocking portion 41 with one end mounted on the limiting plate 3, an inner blocking portion 42 is arranged on the outer blocking portion 41 in a sliding mode, one end of the inner blocking portion 42 is mounted on the camera body 1, the outer blocking portion 41 and the limiting plate 3 and the inner blocking portion 42 and the camera body 1 are connected through a connecting portion 43, the outer blocking portion 41 and the connecting portion 43 and the inner blocking portion 42 and the connecting portion 43 are mounted in a rotating or hinged mode, gaps are formed at the connecting portions of the inner blocking portion 42 and the connecting portion 43 and the connecting portion of the shielding plate 2 and the limiting plate 3 and are sealed through rubber pads, the limiting plate 3 is guided to enter the receiving bin 23, then after dirt on the heat dissipation port 11 is removed from the limiting plate 3 through the inner blocking portion 42, the dirt which is left to fall into a place to be received, the dirt cannot fall onto a workpiece, the dirt is cleaned and collected in the whole scheme, wherein the outer blocking portion 41 slides on the inner blocking portion 42 when the dirt is removed, the dirt is larger than the outer blocking portion 41, and the dirt is collected on the outer blocking portion 41, and the dirt is compressed and the dirt is collected again, and the dirt is larger than the dirt collection portion 41, and the dirt is compressed on the dirt collection portion 41, and the dirt collection portion 42.

Finally, it is worth to explain that the shielding plate 2, the limiting plate 3, the positioning blocking mechanism 4, the pressing wiping plate 5 and the fan 6 in the present solution can be respectively disposed on the side surfaces of the camera body 1, that is, 4 sets are correspondingly disposed, and are not limited to two sets in the present solution.

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, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A do benefit to protection type industry camera that multiple processing environment used, includes camera body (1), its characterized in that: be provided with sunshade (2) on camera body (1), be provided with limiting plate (3) on sunshade (2), sunshade (2) rotation control limiting plate (3) motion, between sunshade (2) and limiting plate (3) and be close to camera body (1) shooting portion's position and form a contained angle that restricts the light effluvium, wherein:

in the rotating process of the shielding plate (2), positioning and calibrating a workpiece below the camera body (1);

after the workpiece position is calibrated and the included angle limits the light illumination range, the exposure time in the image shot by the camera body (1) is influenced.

2. A protected industrial camera for use in multiple process environments according to claim 1, wherein: the shutter (2) is installed on the camera body (1) through an installation part (21), a motor (22) connected with the shutter (2) is arranged on the installation part (21), and the motor (22) is used for driving the shutter (2) to rotate on the installation part (21).

3. A protected industrial camera for use in multiple process environments according to claim 1, wherein: the side of the camera body (1) is provided with a heat dissipation opening (11) for ventilation and heat dissipation, and the limiting plate (3) removes attached dirt on the heat dissipation opening (11) in the process of moving along with the shielding plate (2).

4. A protected industrial camera for use in multiple process environments according to claim 2, wherein: the position that sunshade (2) are close to limiting plate (3) is installed and is accepted storehouse (23), and limiting plate (3) are in the in-process of cleaing away thermovent (11) filth, and limiting plate (3) guide filth landing to accepting storehouse (23) and collect through the change of self gradient.

5. The industrial camera of claim 4, wherein the industrial camera is one of: the side of restriction board (3) is provided with the restriction arm, makes restriction board (3) restrict the orbit that filth landing at the in-process of guide filth landing through the restriction arm, wherein:

a limiting spring (31) for controlling the limiting plate (3) to reset is arranged between the limiting plate (3) and the shielding plate (2);

slider (32) are installed to the one end that limiting plate (3) are close to camera body (1), seted up slide (12) on camera body (1), slider (32) slide the setting in slide (12).

6. A protected industrial camera for use in multiple process environments according to claim 1, wherein: the contained angle is when stopping the flash lamp and diverging the scope, and the size change of its contained angle receives the influence of work piece size of a dimension, is respectively:

when the size of the workpiece is smaller, the shielding plate (2) and the limiting plate (3) are closer to the workpiece, the included angle is gradually increased, the included angle blocks light rays in a larger range, and the position of the workpiece is brighter;

7. The industrial camera of claim 6, wherein the industrial camera is one of: the exposure time of the camera body (1) is influenced as follows:

when the included angle blocks the scattering range of light, the position of the workpiece is brighter, and the exposure time of the camera body (1) is shortened.

8. A protected industrial camera for use in multiple process environments according to claim 1, wherein: one end of the shielding plate (2) close to the workpiece below is provided with an extending flow guide part (24), when the shielding plate (2) blocks dirt, the shielding plate (2) guides the dirt to slide along the surface of the dirt, and the movement track of the dirt is guided by the direction of the extending flow guide part (24) to be far away from the workpiece.

9. A protected industrial camera for use in multiple process environments according to claim 1, wherein: the camera body (1) is provided with a pressing wiping plate (5) at a position close to the shielding plate (2), the pressing wiping plate (5) is connected with the camera body (1) through a fixed spring (51), when the limiting plate (3) moves close to the camera body (1), the limiting plate (3) inclines close to the pressing wiping plate (5), and dirt remained on the surface of the limiting plate (3) is led out through the pressing wiping plate (5).

10. A protected industrial camera for use in multiple process environments according to claim 1, wherein: the shielding plate (2) is provided with a fan (6), the fan (6) is close to the side part of the workpiece, the fan (6) is used for blowing off foreign matters on the surface of the workpiece, and the blowing angle of the fan (6) is changed in the movement process of the shielding plate (2);

the fan (6) blows and shoots foreign matters, and the foreign matters are guided by the shielding plate (2) and fall on two sides of the workpiece.