Lighting equipment for machine vision

Abstract

The invention discloses lighting equipment for machine vision, which comprises a lighting box, a light reflecting plate is mounted in the lighting box, a positioning sleeve is fixedly connected to the lower end of the light reflecting plate, a lighting device adjusting sleeve is movably sleeved with the positioning sleeve, and a mounting box is fixedly connected to the upper part of the lighting device adjusting sleeve. And a first hydraulic rod is mounted at the lower part of the mounting box. According to the lighting equipment for machine vision, the motor drives the position of the lighting component in the mounting box to be adjusted, meanwhile, the mounting box blocks a light irradiation area in the lighting component, the light brightness of the equipment can be adjusted, meanwhile, the lighting component can be replaced by the first lighting device and the second lighting device, and the lighting device is convenient to use. Meanwhile, the first lighting device and the second lighting device are reversely adjusted, that is, the LED lamps irradiate in the cross direction, that is, the brightness of the irradiation area of the irradiation device is more uniform, and the problem that light brightness irradiation is not uniform is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of machine vision, and in particular to a lighting device used for machine vision. Background Art

[0002] Machine vision is a technology that enables machines to have visual perception capabilities. It collects images through hardware such as industrial cameras, lenses, and light sources, and then processes, analyzes, and measures various characteristics in the images through computer hardware and software. When the surveillance camera for lighting machine vision is used on mechanical equipment, the machine vision contains lighting devices and surveillance cameras for machine vision. At the same time, the lighting device emits light to the monitoring area to improve the monitoring effect of the surveillance camera for machine vision on the lighting area.

[0003] However, when the lighting equipment for machine vision is used, the monitoring camera for machine vision is installed in the middle of the lighting device. Since the light levels in the areas to be inspected are different, it is necessary to use the lighting device installed inside the machine vision field to emit light to the inspection area, and the light brightness of the lighting device installed inside the machine vision field needs to be adjusted according to the different levels of darkness. However, when the lighting brightness of the lighting device is adjusted, the position of the lighting device will also be adjusted. If the emitted light directly shines on the monitoring camera for machine vision, exposure will occur on the monitoring device, and exposure will affect the monitoring effect of the monitoring camera for machine vision. For this reason, we propose a lighting device for machine vision. Summary of the invention

[0004] The technical problem to be solved by the present invention is: how to set the monitoring equipment inside the installation sleeve of the lighting device, so that after the LED lamp emits light, the light is reflected by the reflector and the reflective layer to drive the light to irradiate the front end, thereby avoiding the situation where the lighting device drives the light directly to the inside of the monitoring camera used for machine vision when adjusting the lighting angle and brightness, thereby affecting the monitoring effect.

[0005] In order to solve the above technical problems, the present invention provides a lighting device for machine vision, comprising: lighting box; A reflector is installed inside the lighting box to focus the light and irradiate it to the outside. A positioning sleeve is fixedly connected to the lower end of the reflector, and the positioning sleeve limits the position of the adjusting sleeve of the lighting device; The internal movable sleeve of the positioning sleeve is connected with a lighting device adjustment sleeve, the upper part of the lighting device adjustment sleeve is fixedly connected with an installation box, and the lighting device is arranged in the installation box; The inner movable sleeve of the lighting device adjustment sleeve is connected with a telescopic sleeve, the top of the telescopic sleeve is fixedly connected with a mounting sleeve, a cavity is arranged in the middle of the mounting sleeve, and is communicated with the inner cavity of the telescopic sleeve, and a monitoring camera for machine vision is installed inside the cavity; The outer surface of the mounting sleeve is a reflective layer, and the reflective layer reflects light toward the outer surface of the reflective plate.

[0006] The aforementioned lighting device for machine vision comprises a plurality of lighting components, wherein the plurality of lighting components are arc-shaped with the same center and the same diameter, a light trough is provided on the inner side of each lighting component, an LED lamp is installed inside the light trough, and the light emitted by the LED lamp is used for irradiation.

[0007] In the aforementioned lighting device for machine vision, a first movable support assembly is installed at the lower part of the installation box, and the first movable support assembly adjusts the position of the lighting device adjustment sleeve inside the positioning sleeve.

[0008] In the aforementioned lighting device for machine vision, the first movable support assembly includes a first hydraulic rod, and the first hydraulic rod is connected to an external hydraulic cylinder; The installation box is fitted to the inner wall of the positioning sleeve, the first hydraulic rod is arranged between the positioning sleeve and the lighting device adjustment sleeve, the upper end of the first hydraulic rod is fitted to the bottom of the installation box, the lower end of the first hydraulic rod passes through a limiting column and is connected to an external hydraulic cylinder, and the limiting column is fixed on the bottom surface of the positioning sleeve.

[0009] In the aforementioned lighting device for machine vision, the first movable support assembly includes a first transmission rod, and the first transmission rod is connected to an external motor.

[0010] In the aforementioned lighting device for machine vision, a second movable support assembly is installed at the lower end of the mounting sleeve for adjusting the up and down movement of the mounting sleeve.

[0011] The aforementioned lighting device for machine vision, the second movable support assembly includes a second hydraulic rod, the upper end of the second hydraulic rod is in contact with the bottom surface of the mounting sleeve, and the lower end of the second hydraulic rod is connected to the external hydraulic cylinder by passing through the bottom of the lighting device adjustment sleeve and the second limit column.

[0012] In the aforementioned lighting device for machine vision, the second movable support assembly includes a second transmission rod, and the second transmission rod is connected to an external motor four.

[0013] In the aforementioned lighting device for machine vision, in the longitudinal section of the mounting sleeve, the shape of the side reflective layer includes an upper arc segment and a lower straight line segment, the circular diameter of the arc segment is 8-15 cm, the angle of the arc segment is 15-35°, the length of the straight line segment is 6-12 cm, and the angle between the lower straight line segment of the reflective layer and the vertical line is 20°-25°.

[0014] The aforementioned lighting device for machine vision, the lighting device comprises three lighting components, the arc center angles of the three lighting components are equal, all of which are 100°, the three lighting components are connected by a first arc-shaped toothed plate, and are evenly distributed along the circumferential direction; a gear one is provided on the output shaft of the starter motor one, and the gear one is meshed with the first arc-shaped toothed plate; The first arc-shaped toothed plate is fixed to the inner side of the lighting component, and the motor 1 is installed on the inner side of the installation box. The motor 1 adjusts the position of the lighting component inside the installation box through the gear 1 and the first arc-shaped toothed plate.

[0015] The aforementioned lighting device for machine vision, wherein the lighting device installed in the installation box includes a lighting device 1 and a lighting device 2, and the lighting device 2 is arranged vertically with the lighting device 1; The lighting device 1 comprises three lighting components, the three lighting components are arc-shaped with the same center and the same diameter, each lighting component has a light groove on the inner side, and an LED light is installed inside the light groove; The arc center angles of the three lighting components are equal, all 100°, and the three lighting components are connected by a first arc-shaped tooth plate and are evenly distributed along the circumferential direction; The first arc-shaped toothed plate is fixed to the inner side of the lighting component, and the motor 1 is installed on the inner side of the installation box. The motor 1 adjusts the position of the lighting component inside the installation box through the gear 1 and the first arc-shaped toothed plate; The second lighting device comprises three lighting components, the three lighting components are arc-shaped with the same center and the same diameter, each lighting component has a light groove on the inner side, and an LED light is installed inside the light groove; The arc center angles of the three lighting components are equal, all 100 degrees, and the three lighting components are connected by a second arc-shaped toothed plate and are evenly distributed along the circumferential direction; a second gear is provided on the output shaft of the second starter motor, and the second gear is meshed with the second arc-shaped toothed plate; The second arc-shaped toothed plate is fixed to the inner side of the lighting component, and the second motor is installed on the inner side of the installation box. The second motor adjusts the position of the lighting component inside the installation box through the second gear and the second arc-shaped toothed plate.

[0016] The present invention has the following beneficial effects: the lighting device for machine vision provided by the present invention is installed inside the installation box through the lighting component, the LED lamp drives the light to irradiate the outside through the irradiation groove, and the position of the installation sleeve can be adjusted at the same time. The installation sleeve drives the light to irradiate the outside of the reflective plate through the reflective layer, and at the same time the reflective plate drives the light to irradiate the front end in a concentrated manner, that is, it drives the equipment to illuminate. At the same time, since a monitoring camera for machine vision is arranged inside the adjustment sleeve of the lighting device, after irradiation through the front end of the light adjustment box, the machine vision formed by the monitoring camera for machine vision of the equipment inside the installation sleeve can be monitored toward the front end, and the light emitted by the lighting device is reflected and irradiated toward the front end. Through the blocking of the installation sleeve and the reflective layer, it can be avoided that the light is directly irradiated on the machine vision equipment, thereby reducing the exposure problem of machine vision, improving image recognition accuracy, and optimizing detection efficiency.

[0017] The lighting device for machine vision of the present invention is adjusted by adjusting the position of the lighting device adjustment sleeve inside the reflector and the position of the installation sleeve inside the lighting device adjustment sleeve, that is, after the position of the lighting device adjustment sleeve is adjusted, the concentrated irradiation range of light is adjusted, and after the position of the installation sleeve is adjusted, the irradiation brightness of light is adjusted.

[0018] The lighting device for machine vision of the present invention drives the position of the lighting component inside the installation box to be adjusted by a motor, and at the same time the installation box blocks the light irradiation area inside the lighting component, so that the brightness of the light of the equipment can be adjusted. At the same time, the lighting component can be replaced with a first lighting device and a second lighting device, and the first lighting device and the second lighting device are adjusted in reverse at the same time, that is, the LED lights are irradiated in cross directions, that is, the brightness of the irradiation area of ​​the irradiation device is more uniform, avoiding the problem of uneven light brightness.

[0019] The lighting device for machine vision of the present invention drives the light to be reflected by a reflective plate and a reflective layer, and in the present application, a hydraulic rod and other devices are used to push the device to move, and the pushing device is arranged at the lower end of the reflective layer and the outside of the adjustment sleeve of the lighting device, that is, when the light-emitting device irradiates the light, the light is prevented from directly irradiating onto the hydraulic rod and other devices, thereby avoiding problems such as exposure of the mechanical structure when irradiated with light, and in the process of pushing the device to move by the hydraulic rod, the flexibility of adjusting the position between structures is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the main structure of the lighting device for machine vision of the present invention; Figure 2 This is a schematic diagram of the back view structure of the main body of the lighting device for machine vision of the present invention; Figure 3 It is a schematic diagram of the cross-sectional structure of the main body of the lighting device for machine vision of the present invention; Figure 4 It is a schematic diagram of a partial cross-sectional structure of the main body of the lighting device for machine vision of the present invention; Figure 5 It is a schematic diagram of the enlarged structure of the lighting component of the lighting equipment used for machine vision of the present invention; Figure 6 It is a schematic diagram of the enlarged structure of the first lighting device of the lighting equipment for machine vision of the present invention; Figure 7 This is a schematic diagram of the enlarged structure of point A in Figure 3.

[0021] In the figure: 1. lighting box; 2. reflector; 3. positioning sleeve; 4. lighting device adjustment sleeve; 5. first hydraulic rod; 6. telescopic sleeve; 7. mounting sleeve; 8. reflective layer; 9. mounting box; 10. irradiation slot; 11. lighting component; 12. LED lamp; 13. first arc-shaped tooth plate; 14. motor 1; 15. motor 2; 16. gear 2; 17. second arc-shaped tooth plate; 18. second hydraulic rod; 19. gear 1; 20. limit column 1; 21. limit column 2. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] Example 1

[0024] like Figure 1 - Figure 7 As shown, this embodiment provides a lighting device for machine vision, including: lighting box 1; A reflector 2 is installed inside the lighting box 1, and the reflector 2 drives the light to be concentrated and irradiated to the outside; The lower end of the reflector 2 is fixedly connected with a positioning sleeve 3, and the positioning sleeve 3 limits the position of the lighting device adjustment sleeve 4; The internal movable sleeve of the positioning sleeve 3 is connected with a lighting device adjustment sleeve 4, and the upper part of the lighting device adjustment sleeve 4 is fixedly connected with an installation box 9, and the installation box 9 is provided with a lighting device; A first movable support assembly is installed at the lower part of the installation box 9, and the first movable support assembly adjusts the position of the lighting device adjustment sleeve 4 inside the positioning sleeve 3; The first mobile support assembly includes a first hydraulic rod 5, and the first hydraulic rod 5 is connected to an external hydraulic cylinder; like Figure 4As shown, the inner movable sleeve of the lighting device adjustment sleeve 4 is connected with a telescopic sleeve 6, the top of the telescopic sleeve 6 is fixedly connected with a mounting sleeve 7, a cavity is provided in the middle of the mounting sleeve 7, which is connected with the internal cavity of the telescopic sleeve 6, and a monitoring camera for machine vision is installed inside the cavity. A cavity is opened inside the mounting sleeve 7, and the monitoring camera for machine vision is installed inside the cavity. The monitoring camera for machine vision can illuminate the irradiation area and then perform the function of intelligent exploration.

[0025] The outer surface of the installation sleeve 7 is a reflective layer 8 , and the reflective layer 8 reflects light toward the outer surface of the reflective plate 2 . The bottom circumference diameter of the installation sleeve 7 is larger than the outer diameter of the telescopic sleeve 6 .

[0026] A second movable support assembly is installed at the lower end of the installation sleeve 7, which is used to adjust the installation sleeve 7 to move up and down; The second mobile support assembly includes a second hydraulic rod 18, and the second hydraulic rod 18 is connected to an external hydraulic cylinder.

[0027] The outer diameter of the installation box 9 is larger than the outer diameter of the lighting device adjustment sleeve 4 , and an irradiation groove 10 is provided inside the installation box 9 , and the lighting device is installed inside the irradiation groove 10 .

[0028] The lighting device includes a plurality of lighting components 11, and the plurality of lighting components 11 are arc-shaped with the same center and the same diameter. A lamp groove is provided inside each lighting component 11, and an LED lamp 12 is installed inside the lamp groove. The light emitted by the LED lamp 12 is used for illumination.

[0029] like Figure 3 As shown, the inner side of the reflector 2 is tapered. When light is irradiated on the inner wall of the reflector 2, the reflector 2 drives the light to be reflected, and the light is irradiated toward the front end through the reflector 2. At the same time, transparent glass is installed on the outside of the reflector 2, and the transparent glass can protect the interior of the lighting device.

[0030] like Figure 3 and Figure 7 As shown, the installation box 9 is fitted to the inner wall of the positioning sleeve 3, the first hydraulic rod 5 is arranged between the positioning sleeve 3 and the lighting device adjustment sleeve 4, the upper end of the first hydraulic rod 5 is fitted to the bottom of the installation box 9, and the lower end of the first hydraulic rod 5 passes through a limit column 20 and is connected to an external hydraulic cylinder. The limit column 20 is fixed on the bottom surface of the positioning sleeve 3.

[0031] The first hydraulic rod 5 is started to adjust the position of the lighting device adjustment sleeve 4 inside the positioning sleeve 3 up and down. At the same time, the lighting device adjustment sleeve 4 drives the position of the lighting device to be adjusted, and then the illumination angle of the lighting device can be adjusted.

[0032] Figure 3As shown, the upper end of the second hydraulic rod 18 is in contact with the bottom surface of the mounting sleeve 7, and the lower end of the second hydraulic rod 18 passes through the bottom of the lighting device adjustment sleeve 4 and the limit column 21 to be connected to the external small hydraulic cylinder. By starting the second hydraulic rod 18, the second hydraulic rod 18 adjusts the position of the mounting sleeve 7 inside the lighting device adjustment sleeve 4, and at the same time, the telescopic sleeve 6 is set in a centered state inside the lighting device adjustment sleeve 4.

[0033] like Figure 3 As shown, in the longitudinal section of the mounting sleeve 7, the shape of the side reflective layer 8 includes an upper arc segment and a lower straight segment, the arc segment has a circle diameter of 8-15 cm, an arc segment angle of 15-35°, and a straight segment length of 6-12 cm.

[0034] The angle between the straight line section at the bottom of the reflective layer 8 and the vertical line is 20°-25°, and the top of the installation sleeve 7 is arc-shaped. The outside of the reflective layer 8 is adjusted at a certain inclination angle, and at the same time, the LED lamp 12 drives the light to irradiate the inside of the lighting component 11. At the same time, after the light is transmitted to the outside of the reflective layer 8, the reflective layer 8 drives the light to be reflected on the outside of the reflective plate 2, and the installation sleeve 7 moves to the inside of the lighting device adjustment sleeve 4. The installation sleeve 7 can adjust the range of light irradiation to the outside of the reflective plate 2, and then the brightness of the light irradiation can be adjusted.

[0035] The working process of the lighting equipment for machine vision of this embodiment is as follows: when in use, start the motor 14, and the motor 14 adjusts the angle of the LED lamp 12. At the same time, the mounting box 9 seals one end of the LED lamp 12, that is, the LED lamp 12 drives the light irradiation range to be adjusted. At this point, the two ends of the light irradiation can be adjusted. At the same time, the monitoring camera for machine vision is installed inside the mounting sleeve 7. When the light is irradiated, it will not directly shine on the monitoring camera for machine vision, so as to avoid direct light exposure to the monitoring camera for machine vision. That is, in the process of controlling the monitoring camera for machine vision to observe the front-end field of view, by emitting light to the front-end monitoring part and taking pictures with the camera, the monitoring effect of the machine vision of the equipment can be improved. At the same time, the second hydraulic rod 18 is started, and the second hydraulic rod 18 adjusts the position of the mounting sleeve 7. The mounting sleeve 7 adjusts the light reflection in the external range, and the first hydraulic rod 5 is started to adjust the position of the lighting device adjustment sleeve 4 inside the positioning sleeve 3, and further adjust the light irradiation angle.

[0036] Example 2

[0037] This embodiment provides a lighting device for machine vision, including: lighting box 1; A reflector 2 is installed inside the lighting box 1, and the reflector 2 focuses the light to irradiate outside; The lower end of the reflector 2 is fixedly connected with a positioning sleeve 3, and the positioning sleeve 3 limits the position of the lighting device adjustment sleeve 4; The internal movable sleeve of the positioning sleeve 3 is connected with a lighting device adjustment sleeve 4, and the upper part of the lighting device adjustment sleeve 4 is fixedly connected with an installation box 9, and the installation box 9 is provided with a lighting device; The inner side of the lighting device adjustment sleeve 4 is movably sleeved with a telescopic sleeve 6, the top of the telescopic sleeve 6 is fixedly connected with a mounting sleeve 7, the middle of the mounting sleeve 7 is provided with a cavity, which is communicated with the inner cavity of the telescopic sleeve 6, and a monitoring camera for machine vision is installed inside the cavity; The outer surface of the mounting sleeve 7 is a reflective layer 8 , and the reflective layer 8 reflects light toward the outer surface of the reflective plate 2 .

[0038] The lighting device includes three lighting components 11, the arc center angles of the three lighting components 11 are equal, all 100°, the three lighting components 11 are connected by a first arc-shaped toothed plate 13, and are evenly distributed along the circumferential direction; a gear 19 is provided on the output shaft of a starter motor 14, and the gear 19 is meshed with the first arc-shaped toothed plate 13.

[0039] The first arc-shaped toothed plate 13 is fixed to the inner side of the lighting component 11 , and the motor 14 is installed on the inner side of the installation box 9 . The motor 14 adjusts the position of the lighting component 11 inside the installation box 9 through the gear 19 and the first arc-shaped toothed plate 13 .

[0040] Example 3

[0041] This embodiment provides a lighting device for machine vision, including: lighting box 1; A reflector 2 is installed inside the lighting box 1, and the reflector 2 focuses the light to irradiate outside; The lower end of the reflector 2 is fixedly connected with a positioning sleeve 3, and the positioning sleeve 3 limits the position of the lighting device adjustment sleeve 4; The internal movable sleeve of the positioning sleeve 3 is connected with a lighting device adjustment sleeve 4, and the upper part of the lighting device adjustment sleeve 4 is fixedly connected with an installation box 9, and the installation box 9 is provided with a lighting device; The inner side of the lighting device adjustment sleeve 4 is movably sleeved with a telescopic sleeve 6, the top of the telescopic sleeve 6 is fixedly connected with a mounting sleeve 7, the middle of the mounting sleeve 7 is provided with a cavity, which is communicated with the inner cavity of the telescopic sleeve 6, and a monitoring camera for machine vision is installed inside the cavity; The outer surface of the mounting sleeve 7 is a reflective layer 8 , and the reflective layer 8 reflects light toward the outer surface of the reflective plate 2 .

[0042] like Figure 5 and Figure 6 As shown, the lighting device installed in the installation box 9 includes a lighting device 1 and a lighting device 2, and the lighting device 2 is arranged vertically with the lighting device 1; The lighting device 1 comprises three lighting components 11, the three lighting components 11 are arc-shaped with the same center and the same diameter, each lighting component 11 has a lamp groove formed inside, and an LED lamp 12 is installed inside the lamp groove; The arc center angles of the three lighting components 11 are equal, all 100°, and the three lighting components 11 are connected by a first arc-shaped tooth plate 13 and are evenly distributed along the circumferential direction; The first arc-shaped toothed plate 13 is fixed to the inner side of the lighting component 11 , and the motor 14 is installed on the inner side of the installation box 9 . The motor 14 adjusts the position of the lighting component 11 inside the installation box 9 through the gear 19 and the first arc-shaped toothed plate 13 .

[0043] The second lighting device comprises three lighting components 11, the three lighting components 11 are arc-shaped with the same center and the same diameter, and a light groove is provided inside each lighting component 11, and an LED lamp 12 is installed inside the light groove; The arc center angles of the three lighting components 11 are equal, all 100°. The three lighting components 11 are connected by a second arc-shaped toothed plate 17 and are evenly distributed along the circumferential direction. A gear 2 16 is provided on the output shaft of the starter motor 2 15 , and the gear 2 16 is meshed with the second arc-shaped toothed plate 17 .

[0044] The second arc-shaped toothed plate 17 is fixed to the inner side of the lighting component 11 , and the second motor 15 is installed on the inner side of the installation box 9 . The second motor 15 adjusts the position of the lighting component 11 inside the installation box 9 through the second gear 16 and the second arc-shaped toothed plate 13 .

[0045] Gear 1 installed outside of motor 14 is connected to the first arc-shaped toothed plate 13, and motor 2 15 drives gear 2. Gear 2 and the second arc-shaped toothed plate 17 are meshed with each other. The irradiation slot 10 and the LED lamp 12 are installed in alignment with each other. The gear 1 installed outside of motor 14 is meshed with the first arc-shaped toothed plate 13 and the second arc-shaped toothed plate 17, and then the position of the lighting component 11 of the lighting device 1 and the lighting device 2 can be driven to adjust, and at the same time, the installation box 9 adjusts the inward irradiation range of the lighting device.

[0046] The two lighting devices can stably drive the light to irradiate, and the generated light is transmitted crosswise inward, thereby improving the uniformity of the light irradiation.

[0047] Example 4

[0048] This embodiment provides a lighting device for machine vision, including: lighting box 1; A reflector 2 is installed inside the lighting box 1, and the reflector 2 focuses the light to irradiate outside; The lower end of the reflector 2 is fixedly connected with a positioning sleeve 3, and the positioning sleeve 3 limits the position of the lighting device adjustment sleeve 4; The internal movable sleeve of the positioning sleeve 3 is connected with a lighting device adjustment sleeve 4, and the upper part of the lighting device adjustment sleeve 4 is fixedly connected with an installation box 9, and the installation box 9 is provided with a lighting device; The inner side of the lighting device adjustment sleeve 4 is movably sleeved with a telescopic sleeve 6, the top of the telescopic sleeve 6 is fixedly connected with a mounting sleeve 7, the middle of the mounting sleeve 7 is provided with a cavity, which is communicated with the inner cavity of the telescopic sleeve 6, and a monitoring camera for machine vision is installed inside the cavity; The outer surface of the mounting sleeve 7 is a reflective layer 8 , and the reflective layer 8 reflects light toward the outer surface of the reflective plate 2 .

[0049] A first movable support assembly is installed at the lower part of the installation box 9, and the first movable support assembly adjusts the position of the lighting device adjustment sleeve 4 inside the positioning sleeve 3; A second movable support assembly is installed at the lower end of the installation sleeve 7, which is used to adjust the installation sleeve 7 to move up and down; The first mobile support assembly includes a first transmission rod 5, and the first transmission rod 5 is connected to an external motor 3; The second mobile support assembly includes a second transmission rod 18, and the second transmission rod 18 is connected to the external motor 24.

[0050] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article, or apparatus.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lighting device for machine vision, It is characterized in that include: lighting box(1); A reflector (2) is installed inside the lighting box (1), and the reflector (2) focuses light and irradiates it to the outside. A positioning sleeve (3) is fixedly connected to the lower end of the reflector (2), and the positioning sleeve (3) limits the position of the lighting device adjustment sleeve (4); The interior of the positioning sleeve (3) is movably sleeved with a lighting device adjustment sleeve (4), the upper portion of the lighting device adjustment sleeve (4) is fixedly connected with a mounting box (9), and the mounting box (9) is provided with a lighting device; The inner movable sleeve of the lighting device adjustment sleeve (4) is connected to a telescopic sleeve (6), the top of the telescopic sleeve (6) is fixedly connected to a mounting sleeve (7), a cavity is provided in the middle of the mounting sleeve (7) and is communicated with the inner cavity of the telescopic sleeve (6), and a monitoring camera for machine vision is installed inside the cavity; The outer surface of the mounting sleeve (7) is a reflective layer (8), and the reflective layer (8) reflects light toward the outer surface of the reflective plate (2).

2. A lighting device for machine vision according to claim 1, It is characterized in that The lighting device comprises a plurality of lighting components (11), the plurality of lighting components (11) being arc-shaped with the same center and the same diameter, a light trough being provided on the inner side of each lighting component (11), an LED lamp (12) being installed inside the light trough, and light emitted by the LED lamp (12) being used for illumination.

3. The lighting device for machine vision according to claim 1, It is characterized in that A first movable support assembly is installed at the lower part of the installation box (9), and the first movable support assembly adjusts the position of the lighting device adjustment sleeve (4) inside the positioning sleeve (3).

4. A lighting device for machine vision according to claim 3, It is characterized in that The first mobile support assembly comprises a first hydraulic rod (5), wherein the first hydraulic rod (5) is connected to an external hydraulic cylinder; The installation box (9) is fitted on the inner wall of the positioning sleeve (3), the first hydraulic rod (5) is arranged between the positioning sleeve (3) and the lighting device adjustment sleeve (4), the upper end of the first hydraulic rod (5) is fitted on the bottom of the installation box (9), the lower end of the first hydraulic rod (5) passes through a limiting column (20) and is connected to an external hydraulic cylinder, and the limiting column (20) is fixed on the bottom surface of the positioning sleeve (3).

5. The lighting device for machine vision according to claim 3, It is characterized in that The first movable support assembly comprises a first transmission rod (5), and the first transmission rod (5) is connected to an external motor.

6. The lighting device for machine vision according to claim 1, It is characterized in that A second movable support assembly is mounted on the lower end of the mounting sleeve (7) and is used to adjust the upward and downward movement of the mounting sleeve (7).

7. A lighting device for machine vision according to claim 6, It is characterized in that The second movable support assembly comprises a second hydraulic rod (18), the upper end of the second hydraulic rod (18) being in contact with the bottom surface of the mounting sleeve (7), and the lower end of the second hydraulic rod (18) passing through the bottom of the lighting device adjustment sleeve (4) and the second limiting column (21) and connected to the external hydraulic cylinder.

8. The lighting device for machine vision according to claim 6, It is characterized in that The second movable support assembly comprises a second transmission rod (18), and the second transmission rod (18) is connected to an external motor four.

9. The lighting device for machine vision according to claim 1, It is characterized in that In the longitudinal section of the mounting sleeve (7), the shape of the side reflective layer (8) comprises an upper arc segment and a lower straight segment, the circular arc segment has a diameter of 8-15 cm, an angle of 15-35°, a length of 6-12 cm, and an angle between the lower straight segment of the reflective layer (8) and the vertical line is 20°-25°.

10. The lighting device for machine vision according to claim 1, It is characterized in that The lighting device comprises three lighting components (11), the arc center angles of the three lighting components (11) are equal, all of which are 100 degrees, and the three lighting components (11) are connected by a first arc-shaped toothed plate (13) and are evenly distributed along the circumferential direction; a gear one (19) is provided on the output shaft of a starter motor one (14), and the gear one (19) is meshed with the first arc-shaped toothed plate (13); The first arc-shaped toothed plate (13) is fixed to the inner side of the lighting component (11), and the motor 1 (14) is installed on the inner side of the installation box (9). The motor 1 (14) adjusts the position of the lighting component (11) inside the installation box (9) through the gear 1 (19) and the first arc-shaped toothed plate (13).

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