Spherical integral light source device, detection equipment and detection production line

Abstract

The utility model discloses a sphere integral light source device, detection equipment and detection production line, sphere integral light source device includes top cover, light emitting piece and diffuse reflection piece, top cover, light emitting piece and diffuse reflection piece all take the shape of hollow integral hemisphere, light emitting piece is arranged between top cover and diffuse reflection piece, light emitting piece includes a plurality of light emitting units, a first space is formed between the top cover and the light-emitting part and communicated with a gas cylinder connector assembly, the gas cylinder connector assembly is connected with a gas cylinder assembly, light emitted by the light-emitting part irradiates a workpiece through the diffuse reflection part, and gas emitted by the gas cylinder assembly is used for taking away heat emitted by the light-emitting part. When gas of the gas cylinder assembly enters the first space through the connector assembly, the gas can take away part of heat generated by the light-emitting part, the heat dissipation effect is good, at the moment, the number of the light-emitting units can be increased, the brightness of a light source can be improved, product imaging is facilitated, and the detection accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of light sources, in particular to a spherical integrating light source device, a detection device and a detection production line. Background Art

[0002] With the development of science and technology, various industrial products are becoming more and more abundant, and people's requirements for product quality are getting higher and higher. In order to ensure product quality, it is necessary to conduct various process inspections on the products produced, and machine vision inspection is increasingly widely used in various fields.

[0003] Spherical integrating light sources are usually used in machine vision inspection. When in use, the spherical integrating light source is set above the object to be photographed. Through semi-spherical reflection, objects with convex and concave surfaces and complex shapes can be evenly illuminated. However, the heat dissipation performance of the spherical integrating light source in the prior art is poor. Only a small number of LEDs are allowed to be placed in the spherical integrating light source, and the brightness is low. When the inspection equipment takes images of the product in a low-brightness environment, the image is blurred and the inspection accuracy is low.

[0004] Therefore, it is necessary to improve the existing technology to solve the problems that the spherical integrated light source in the existing technology has poor heat dissipation performance, can only accommodate a small number of LEDs, and has low lighting brightness. Utility Model Content

[0005] The utility model aims to provide a spherical integral light source device, a detection device and a detection production line to solve the technical problems of the prior art spherical integral light source having poor heat dissipation performance, being able to place only a small number of LEDs and having low lighting brightness.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A spherical integrating light source device comprises a top cover, a light emitting part and a diffuse reflecting part, wherein the top cover, the light emitting part and the diffuse reflecting part are all in the shape of a hollow integrating hemisphere, the light emitting part is arranged between the top cover and the diffuse reflecting part, the light emitting part comprises a plurality of light emitting units, a first space is arranged between the top cover and the light emitting part, the first space is connected to a gas cylinder joint assembly, a gas cylinder assembly is connected to the gas cylinder joint assembly, light emitted by the light emitting part passes through the diffuse reflecting part to irradiate a workpiece, and gas emitted by the gas cylinder assembly is used to take away heat emitted by the light emitting part.

[0008] Preferably, the gas cylinder connector assembly includes a plurality of gas cylinder connectors, the gas cylinder assembly includes a plurality of gas cylinders, the plurality of gas cylinder connectors are arranged at intervals, and the gas cylinders and the gas cylinder connectors correspond to each other one by one.

[0009] Preferably, the light-emitting component includes a fixing component and several PCBs, the fixing component is provided with several limiting grooves, the PCBs and the light-emitting units correspond one to one, the PCBs are electrically connected to the light-emitting units, and the light-emitting units are limited in the limiting grooves.

[0010] Preferably, the top cover is provided with a first through hole, the light-emitting component is provided with a second through hole, the diffuse reflection component is provided with a third through hole, and the first through hole, the second through hole and the third through hole are interconnected to form an observation port.

[0011] Preferably, the spherical integrating light source device also includes a base plate, a first connecting member and a second connecting member, the base plate is provided with a fixing groove and a plurality of connecting holes, the diffuse reflection member is limited in the fixing groove, the first connecting member passes through the connecting hole and the light-emitting member to lock the light-emitting member and the base plate, and the second connecting member passes through the connecting hole and the top cover to lock the top cover and the base plate.

[0012] Preferably, the spherical integrating light source device also includes a power cord, the bottom plate is provided with a first avoidance opening and a second avoidance opening, the power cord is electrically connected to all light-emitting units through the first avoidance opening, and the gas cylinder connector is connected to the first space through the second avoidance opening.

[0013] Preferably, the top cover and the fixing parts are both made of aluminum, and the PCB is made of copper.

[0014] Preferably, the spherical integrating light source device further comprises a pressure gauge, which is arranged on the gas cylinder assembly and is used for real-time monitoring of the gas content of the gas cylinder assembly.

[0015] Preferably, the detection device comprises a detection member and a spherical integrating light source device, the spherical integrating light source device is provided with an observation port, the detection member and the workpiece are both facing the observation port, and the detection member performs detection operations on the workpiece through the observation port.

[0016] A detection production line includes an air replenishing mechanism, a manipulator, a conveying mechanism, a pallet and a detection device, wherein the pallet is used to carry a workpiece, the conveying mechanism is arranged below the pallet, the conveying mechanism and the manipulator are both electrically connected to the detection device, the conveying mechanism is used to convey the pallet and the workpiece, the manipulator is used to screen the workpiece, the detection device includes a first space and a gas cylinder assembly, the gas cylinder assembly is provided with a pressure gauge and is used to deflate the first space, and the air replenishing mechanism is electrically connected to the pressure gauge and is used to replenish the gas cylinder assembly.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model designs a spherical integral light source device, a detection device and a detection production line. The spherical integral light source device includes a top cover, a diffuse reflector, a luminous element and a diffuse reflector. The top cover, the luminous element and the diffuse reflector are all in the shape of a hollow integral hemisphere. The luminous element is arranged between the top cover and the diffuse reflector. The luminous element includes a plurality of luminous units. A first space is arranged between the top cover and the luminous element. The first space is connected with a gas cylinder joint assembly. A gas cylinder assembly is connected to the gas cylinder joint assembly. The light emitted by the luminous element passes through the diffuse reflector to irradiate the workpiece. The gas emitted by the gas cylinder assembly is used to take away the heat emitted by the luminous element. When the gas of the gas cylinder assembly of the utility model enters the first space through the gas cylinder joint assembly, the gas can take away part of the heat generated by the luminous element, and the heat dissipation effect is good. At this time, the number of luminous units can be increased, the brightness of the light source can be improved, which is beneficial to product imaging and improves the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is an exploded diagram of the spherical integrating light source device of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the light-emitting component of the utility model.

[0021] Illustrations: 1. Top cover; 2. Fixing piece; 3. PCB; 4. Light-emitting unit; 5. Diffuse reflector; 6. Bottom plate; 7. First through hole; 8. Second through hole; 9. Third through hole; 10. Connecting hole; 11. Power cord; 12. Gas cylinder connector; 13. Fixing groove. DETAILED DESCRIPTION

[0022] In order to make the utility model's purpose, features, and advantages more obvious and easy to understand, the following will be combined with the drawings in the utility model embodiments to clearly and completely describe the technical solutions in the utility model embodiments. Obviously, the embodiments described below are only part of the utility model embodiments, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0024] See also Figure 1 and Figure 2As shown, the utility model designs a spherical integrating light source device, which includes a top cover 1, a light-emitting component and a diffuse reflecting component 5. The top cover 1, the light-emitting component and the diffuse reflecting component 5 are all in the shape of a hollow integrating hemisphere. The light-emitting component is arranged between the top cover 1 and the diffuse reflecting component 5. The light-emitting component includes a plurality of light-emitting units 4. A first space is provided between the top cover 1 and the light-emitting component. The first space is connected to a gas cylinder joint assembly. A gas cylinder assembly is connected to the gas cylinder joint assembly. The light emitted by the light-emitting component irradiates the workpiece through the diffuse reflecting component 5. The gas emitted by the gas cylinder assembly is used to take away the heat emitted by the light-emitting component.

[0025] It should be noted that when the gas of the gas cylinder assembly of the utility model enters the first space through the gas cylinder joint assembly, the gas can take away part of the heat generated by the light-emitting component, and the heat dissipation effect is good. At this time, the light-emitting component can increase the number of light-emitting units 4, and multiple light-emitting units 4 illuminate the workpiece. The workpiece is in a bright environment. At this time, the detection equipment can take a clear image of the workpiece and the detection accuracy is high.

[0026] Specifically, in order to enhance the heat dissipation performance, the gas cylinder connector assembly includes a plurality of gas cylinder connectors 12 , the gas cylinder assembly includes a plurality of gas cylinders, the plurality of gas cylinder connectors 12 are arranged at intervals, and the gas cylinders and the gas cylinder connectors 12 correspond to each other one by one.

[0027] Specifically, the light-emitting component includes a fixing component 2 and several PCB3, the fixing component 2 is provided with several limiting grooves, the PCB3 and the light-emitting unit 4 correspond one to one, the PCB3 is electrically connected to the light-emitting unit 4, and the light-emitting unit 4 is limited in the limiting groove. Of course, it should be noted that in order to facilitate the subsequent replacement of the light-emitting unit 4, the light-emitting unit 4 and the limiting groove of the utility model are designed to be detachably connected. In actual applications, people can choose buckles or connectors to achieve detachable connection according to their own needs, and the utility model does not limit this.

[0028] Specifically, the top cover 1 is provided with a first through hole 7, the light-emitting component is provided with a second through hole 8, and the diffuse reflection component 5 is provided with a third through hole 9. The first through hole 7, the second through hole 8 and the third through hole 9 are interconnected to form an observation port. The observation port of the utility model is placed above the workpiece, and the detection equipment realizes imaging and detection operations on the workpiece through the observation port.

[0029] Specifically, the spherical integrating light source device also includes a base plate 6, a first connecting member and a second connecting member. The base plate 6 is provided with a fixing groove 13 and a plurality of connecting holes 10. The diffuse reflector 5 is limited in the fixing groove 13. The first connecting member passes through the connecting hole 10 and the light-emitting member to lock the light-emitting member and the base plate 6. The second connecting member passes through the connecting hole 10 and the top cover 1 to lock the top cover 1 and the base plate 6.

[0030] When assembling the spherical integrating light source device of the utility model, the diffuse reflector 5 is first limited in the fixing groove 13, and then the first connecting member is passed through the connecting hole 10 on the light-emitting member and the bottom plate 6, and the second connecting member is passed through the connecting hole 10 on the top cover 1 and the bottom plate 6 to complete the assembly. If the diffuse reflector or the light-emitting unit 4 needs to be replaced, it is only necessary to separate the first connecting member from the top cover 1 and the light-emitting member, and separate the second connecting member from the top cover 1 and the bottom plate 6. The first connecting member and the second connecting member of the utility model are both bolts. Of course, in actual applications, people can choose other parts as the first connecting member or the second connecting member according to their own needs, and the utility model does not limit this.

[0031] Specifically, the spherical integrating light source device also includes a power cord 11, the bottom plate 6 is provided with a first avoidance opening and a second avoidance opening, the power cord 11 is electrically connected to all the light-emitting units 4 through the first avoidance opening, and the gas cylinder connector 12 is connected to the first space through the second avoidance opening.

[0032] Specifically, the PCB 3 is a copper piece, and the top cover 1 and the fixing piece 2 are both aluminum pieces. The aluminum piece is convenient for heat conduction and can conduct the heat to the top cover 1 in time, so that the heat can be dissipated in time.

[0033] Specifically, the spherical integrating light source device also includes a pressure gauge, which is arranged on the gas cylinder assembly and is used to monitor the gas content of the gas cylinder assembly in real time. People can check the gas content of the gas cylinder assembly through the pressure gauge, which is very convenient.

[0034] Specifically, the utility model also designs a detection device, which includes a detection piece and a spherical integrating light source device. The spherical integrating light source device is provided with an observation port. The detection piece and the workpiece are both facing the observation port. The detection piece performs detection operations on the workpiece through the observation port.

[0035] The spherical integrating light source device of the utility model includes a light-emitting component, a first space and a gas cylinder assembly. The gas cylinder assembly is used to deflate the first space and transfer the heat of the first space to the outside in time. The light-emitting component can increase the number of light-emitting units 4. Multiple light-emitting units 4 illuminate the workpiece. The workpiece is in a bright environment. The detection component can obtain clear image information of the workpiece and judge whether the workpiece has defects based on the graphic information.

[0036] Specifically, the utility model also designs a detection production line, which includes an air replenishing mechanism, a manipulator, a conveying mechanism, a pallet and a detection device. The pallet is used to carry the workpiece. The conveying mechanism is arranged under the pallet. The conveying mechanism and the manipulator are electrically connected to the detection device. The conveying mechanism is used to convey the pallet and the workpiece. The manipulator is used to screen the workpiece. The detection equipment includes a first space and a gas cylinder assembly. The gas cylinder assembly is provided with a pressure gauge and is used to deflate the first space. The air replenishing mechanism is electrically connected to the pressure gauge and is used to replenish the gas cylinder assembly.

[0037] The detection production line of the utility model includes a detection device and a gas replenishing mechanism. The detection device includes a detection part, a first space and a gas cylinder assembly. The gas cylinder assembly is used to deflate the first space and transmit the heat of the first space to the outside in time. Compared with the prior art, the heat dissipation performance is greatly enhanced. The light-emitting part can increase the number of light-emitting units 4. Multiple light-emitting units 4 illuminate the workpiece. The workpiece is in a bright environment. The detection part can obtain clear image information of the workpiece and judge whether the workpiece has defects based on the graphic information. The gas cylinder assembly is also provided with a pressure gauge for real-time detection of gas content. When the pressure gauge detects that the gas content is lower than the first threshold, it can send a signal to the gas replenishing mechanism. The gas replenishing mechanism replenishes gas. The conveying mechanism transfers the workpiece to the first position and stops conveying. The detection device can be started to illuminate and detect the workpiece. If the detection device detects that the workpiece has defects, it can send a signal to the robot. The robot grabs the workpiece to the defective product area. If the detection device detects that the workpiece has no defects, it can send information to the conveying mechanism. The conveying mechanism starts to transfer the workpiece to the next process.

[0038] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "left", "right", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying 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 direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0039] As described above, the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A spherical integrating light source device, characterized in that: It includes a top cover, a light-emitting component and a diffuse reflector, and the top cover, the light-emitting component and the diffuse reflector are all in the shape of a hollow integrated hemisphere. The light-emitting component is arranged between the top cover and the diffuse reflector, and the light-emitting component includes a plurality of light-emitting units. A first space is arranged between the top cover and the light-emitting component, and the first space is connected to a gas cylinder joint assembly, and a gas cylinder assembly is connected to the gas cylinder joint assembly. The light emitted by the light-emitting component passes through the diffuse reflector to irradiate the workpiece, and the gas emitted by the gas cylinder assembly is used to take away the heat emitted by the light-emitting component.

2. The spherical integrating light source device according to claim 1, characterized in that: The gas cylinder joint assembly comprises a plurality of gas cylinder joints, and the gas cylinder assembly comprises a plurality of gas cylinders. The plurality of gas cylinder joints are arranged at intervals, and the gas cylinders and the gas cylinder joints correspond to each other one by one.

3. The spherical integrating light source device according to claim 1, characterized in that: The light-emitting member further comprises a fixing member and a plurality of PCBs, the fixing member is provided with a plurality of limiting grooves, the PCBs correspond to the light-emitting units one by one, the PCBs are electrically connected to the light-emitting units, and the light-emitting units are limited in the limiting grooves.

4. The spherical integrating light source device according to claim 1, characterized in that: The top cover is provided with a first through hole, the light emitting member is provided with a second through hole, the diffuse reflection member is provided with a third through hole, and the first through hole, the second through hole and the third through hole are interconnected to form an observation port.

5. The spherical integrating light source device according to claim 2, characterized in that: It also includes a base plate, a first connecting member and a second connecting member, the base plate is provided with a fixing groove and a plurality of connecting holes, the diffuse reflector is limited in the fixing groove, the first connecting member passes through the connecting hole and the light-emitting member to lock the light-emitting member and the base plate, and the second connecting member passes through the connecting hole and the top cover to lock the top cover and the base plate.

6. The spherical integrating light source device according to claim 5, characterized in that: It also includes a power cord, the bottom plate is provided with a first avoidance opening and a second avoidance opening, the power cord is electrically connected to all the light-emitting units through the first avoidance opening, and the gas cylinder connector is connected to the first space through the second avoidance opening.

7. The spherical integrating light source device according to claim 3, characterized in that: The top cover and the fixing parts are both aluminum parts, and the PCB is a copper part.

8. The spherical integrating light source device according to claim 1, characterized in that: It also includes a pressure gauge, which is arranged on the gas cylinder assembly and is used to monitor the gas content of the gas cylinder assembly in real time.

9. A detection device for detecting a workpiece, characterized in that: It comprises a detection member and a spherical integrating light source device as described in any one of claims 1 to 8, wherein the spherical integrating light source device is provided with an observation port, the detection member and the workpiece are both facing the observation port, and the detection member performs detection operations on the workpiece through the observation port.

10. A detection production line, characterized in that : It includes an air replenishing mechanism, a manipulator, a conveying mechanism, a pallet and the detection equipment as described in claim 9, the pallet is used to carry the workpiece, the conveying mechanism is arranged under the pallet, the conveying mechanism and the manipulator are electrically connected to the detection equipment, the conveying mechanism is used to transport the pallet and the workpiece, the manipulator is used to screen the workpiece, the detection equipment includes a first space and a gas cylinder assembly, the gas cylinder assembly is provided with a pressure gauge and is used to deflate the first space, the air replenishing mechanism is electrically connected to the pressure gauge and is used to replenish the gas cylinder assembly.

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