LED light source for visual inspection

Abstract

The LED light source comprises a base, two side plates, a light-transmitting piece and cover plates, the base, the two side plates, the light-transmitting piece and the cover plates jointly form a closed frame structure, the two sides of the base are fixedly connected with the two side plates, the cover plates are fixed to the two ends of the base, and the light-transmitting piece is fixed to the cover plates. The light transmitting part is arranged between the tops of the two side plates, a first light source module is arranged on the base, a second light source module is arranged on the side plates, and light generated by the first light source module and light generated by the second light source module are emitted out through the light transmitting part; the base and the two side plates are further provided with through holes penetrating front and back, water pipes are arranged in the through holes, and the water pipes are filled with heat exchange media. According to the LED light source for visual inspection, the frame structure of the light source can be improved, the heat dissipation problem can be solved, and therefore the situation that components in the light source are damaged due to light and heat is avoided.

Description

Technical Field

[0001] The utility model relates to the field of visual detection, in particular to an LED light source for visual detection. Background Art

[0002] In the glass production process for photovoltaic, float glass, automotive, and other fields, glass defect detection equipment is used to visually photograph the glass to classify various defects, with light sources assisting the camera in taking these images. LED light sources used for visual inspection are widely used in these fields due to their superior stability, high brightness, and fast response time compared to other light sources. However, most current light sources use LEDs installed directly on the light source board to provide illumination. The light emitted by the LEDs illuminates the product, facilitating camera identification of defects.

[0003] However, the photoelectric conversion efficiency of LED light sources used for visual inspection is about 30%, and the remaining 70% of the electrical energy is converted into heat energy. This disadvantage is particularly prominent in high-power LED light sources used for visual inspection. Some high-power LED light sources currently used have incomplete structural designs. After long-term use, the light source board will be damaged by the temperature generated by the light source. Utility Model Content

[0004] The purpose of the utility model is to provide an LED light source for visual inspection, which solves the problem of damage to internal components of the light source due to light heat during use.

[0005] A technical solution disclosed by the utility model is: an LED light source for visual detection, comprising a base, two side panels, a light-transmitting member and a cover plate, wherein the base, the two side panels, the light-transmitting member and the cover plate together constitute a closed frame structure, the two sides of the base are fixedly connected to the two side panels, the two ends of the base are fixed with cover plates, the light-transmitting member is arranged between the tops of the two side panels, a first light source module is arranged on the base, a second light source module is arranged on the side panels, and light generated by the first light source module and the second light source module is emitted through the light-transmitting member; the base and the two side panels are also provided with through holes running through the front and back, a water pipe is arranged in the through hole, and the water pipe is filled with a heat exchange medium.

[0006] Preferably, it also includes a first support plate, a second support plate and a third support plate located in the frame structure and having light transmittance, the first support plate being arranged opposite to the first light source module, the second support plate being arranged opposite to the second light source module, and the third support plate being located between the first support plate and the second support plate, and being arranged obliquely relative to the first support plate and the second support plate.

[0007] Preferably, the base is vertically provided with a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are arranged opposite to each other, the first light source module is located between the first mounting plate and the second mounting plate, and a first card slot for installing the first support plate is provided on the opposite surfaces of the first mounting plate and the second mounting plate, and a second card slot for installing the second support plate and a third card slot for installing the third support plate are provided on the first mounting plate.

[0008] Preferably, one of the two side plates is provided with a docking groove adapted to the second card slot and the third card slot, for fixing the second support plate and the third support plate.

[0009] Preferably, the through hole includes a first through hole located in the base, the first through hole is located between the first mounting plate and the second mounting plate, and is arranged corresponding to the first light source module.

[0010] Preferably, a step is formed on a side of the first mounting plate facing the side plate, and the side plate is formed with a boss that can be engaged with the step. The through hole includes a second through hole, and the second through hole is provided in the boss.

[0011] Preferably, the light source module includes a light source board and a plurality of LED lamps arranged on the light source board.

[0012] Preferably, the light source board is fixedly connected to the base and the side panels respectively, and a wire groove running through both ends is provided on the contact surface, and the wire groove has enough space to pass the circuit electrically connected to the LED lamp.

[0013] Preferably, a sealing member is provided on the contact surface between the light-transmitting member and the side panel, the sealing member is interference-fitted between the upper surface of the side panel and the lower surface of the light-transmitting member, and the light-transmitting member is pure white glass.

[0014] Preferably, the frame structure profile has a thickness of 6 mm to 8 mm.

[0015] The beneficial effects of an LED light source for visual detection disclosed by the utility model are as follows: the light source has good heat dissipation performance by performing hot and cold replacement through a heat exchange medium, which can ensure that the light source module can still operate stably under a high-efficiency operating state, and will not cause damage to internal components due to light and heat, thereby extending the service life of the light source; structural modifications are made to form a stable sealed light source structure, which prevents deformation of the light source while also avoiding interference from the external environment; by enhancing the overall strength of the light source frame structure, long-term use will not cause deviations in equipment detection due to deformation of the light source. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1This is a schematic diagram of the overall structure of an LED light source for visual detection in one embodiment of the present invention;

[0017] Figure 2 This is a schematic structural diagram of the end face of an LED light source used for visual inspection in one embodiment of the present utility model;

[0018] Figure 3 This is a structural diagram of the end surface of the LED light source base used for visual inspection in one embodiment of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the end face of the LED light source side panel used for visual inspection in one embodiment of the utility model.

[0020] Description of Figure Numbers:

[0021] Label name Label name 1 base 2 Side panels 3 Translucent parts 4 cover 5 First light source module 6 Second light source module 7 First support plate 8 Second support plate 9 The third supporting plate 10 Wire Trough 11 First mounting plate 12 Second mounting plate 13 First card slot 14 Second card slot 15 Third card slot 16 Docking slot 17 First through hole 18 Second through hole 19 boss 20 water pipe 21 seals DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the schemes in the embodiments of the present invention. Obviously, the embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0023] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0024] It should also be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element.

[0025] In addition, the descriptions of "first," "second," etc. in this utility model are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0026] The utility model proposes an LED light source for visual detection, referring to Figure 1 and Figure 2 As shown: An LED light source for visual inspection, including a base 1, a side panel 2, a light-transmitting member 3 and a cover panel 4, wherein the base 1, the side panel 2, the light-transmitting member 3 and the cover panel 4 together constitute a closed frame structure, the two sides of the base 1 are fixedly connected to the side panels 2, the two ends of the base 1 are fixed with cover panels 4, the light-transmitting member 3 is arranged between the tops of the two side panels 2, the base is provided with a first light source module 5, the side panel is provided with a second light source module 6, the light generated by the first light source module 5 and the second light source module 6 is emitted through the light-transmitting member 3; the base 1 and the side panel 2 are also provided with a through hole running through the front and back, a water pipe 20 is provided in the through hole, and the water pipe 20 is filled with a heat exchange medium.

[0027] This embodiment involves an LED light source for visual inspection, which is primarily used to provide illumination to assist a camera in taking photos. Specifically, the base 1, side panels 2, a light-transmitting member 3, and a cover panel 4 together form a sealed frame structure. Both sides of the base 1 are designed with snap-fit ​​structures for secure connection to the side panels 2. Furthermore, both ends of the base 1 are also designed with snap-fit ​​structures for connecting to the cover panel 4. A space is left between the tops of the two side panels 2 for mounting the light-transmitting member 3. A first light source module 5 is provided on the base 1, and a second light source module 6 is also provided on the side panels 2. The light emitted by the light-transmitting member 3 is emitted. The cover panel 4 is fixed to both ends of the base 1 by snap-fitting, forming a sealed frame structure with the base 1 and side panels 2. This enhances the structural stability while preventing interference and contamination from the external environment. Through holes are provided in the base 1 and side panels 2. Water pipes 20 are laid in the through holes and filled with a heat exchange medium to absorb and remove heat generated by the LED light source used for visual inspection, thereby reducing the operating temperature of the light source and improving its stability and service life.

[0028] refer to Figure 2 In some embodiments, a first support plate 7 is provided on the light path of the first light source module, and a second support plate 8 is provided on the light path of the second light source module 6. The first support plate 7 and the second support plate 8 are used to adjust or diffuse the light from the second light source module 6; a third support plate 9 is also provided between the first support plate 7 and the second support plate 8, and the third support plate 9 is tilted relative to the first support plate 7 and the second support plate 8. The setting of the third support plate 9 can further adjust the direction or distribution of the light, achieve more complex lighting effects and meet specific visual detection requirements, so as to ensure that the light can be evenly irradiated on the target object, thereby improving the accuracy and reliability of visual detection.

[0029] The first, second, and third support plates 7, 8, and 9 are made of polycarbonate sheet, a high-performance engineering plastic sheet with excellent light transmittance, weather resistance, impact resistance, and flame retardancy. Using polycarbonate sheet for the support plates ensures excellent light control, durability, and safety for the LED light source device. Adjusting the position and angle of the support plates allows for different lighting effects and stability, meeting lighting requirements under varying test conditions.

[0030] refer to Figure 3 and Figure 4 In some embodiments, a first mounting plate 11 and a second mounting plate 12 are vertically arranged on the base 1. The first mounting plate 11 and the second mounting plate 12 are arranged opposite to each other and form a space for installing the first light source module 5. The first light source module 5 is installed between the two mounting plates. A first card slot 13 is provided on the opposite surfaces of the first mounting plate 11 and the second mounting plate 12 for installing the first support plate 7. The first support plate 7 is fixed by being snapped into the first card slot 13, ensuring that it faces the first light source module 5 and effectively adjusts or diffuses the light; a second card slot 14 is also provided on the first mounting plate 11 / the second mounting plate 12, and the second support plate 8 is fixed in a position facing the second light source module by being snapped into the second card slot 14; a third card slot 15 is also provided on the first mounting plate 11 / the second mounting plate 12, and the third card slot 15 is used to install a third support plate 9 that is obliquely arranged between the first support plate 7 and the second support plate 8. The support plates are installed through different slots, making the assembly and disassembly of the LED light source simpler and more convenient. The position and number of the support plates can also be replaced or adjusted as needed to meet different lighting needs; the support plates are tightly connected to the base through the slots, enhancing the stability of the entire LED light source frame structure.

[0031] In this embodiment, at least one of the two side panels 2 of the LED light source is provided with a docking groove 16 adapted to the second card slot 14 and the third card slot 15. The position and shape of the docking groove 16 match the second card slot 14 and the third card slot 15, and are used to fix the second support plate 8 and the third support plate 9. The combined use of the docking groove 16 and the card slot makes the assembly and disassembly of the LED light source more flexible and convenient, and the user can adjust the support plate as needed.

[0032] refer to Figure 3 In some embodiments, a first through hole 17 is provided on the base between the first mounting plate 11 and the second mounting plate 12. The position of the first through hole 17 corresponds to the first light source module 5. The first through hole 17 is mainly used to effectively take away the heat generated by the first light source module 5.

[0033] refer to Figure 3In some embodiments, the side of the first mounting plate 11 facing the side plate 2 is configured with a stepped shape. The side plate 2 is provided with a boss 19 that engages with the stepped shape. A second through-hole 18 is provided in the boss 19. The engagement design of the stepped shape and the boss 19 increases the contact area between the first mounting plate 11 and the side plate 2, thereby enhancing the stability of the connection between them. The second through-hole 18 in the boss 19 also serves as a heat dissipation channel, helping to dissipate heat generated by the LED light source.

[0034] refer to Figure 4 In some embodiments, the first light source module and the second light source module are composed of a light source board and a plurality of LED lamps. The light source board serves as a carrier, and a plurality of LED lamps are distributed thereon. These LED lamps work together to produce a lighting effect. A light source board is fixedly provided on both the base 1 and the side panel 2. On the contact surface between the light source board and the base 1 and the side panel 2, a wire trough 10 is provided that passes through both ends of the light source board. The wire trough 10 has sufficient space for accommodating and fixing the lines electrically connected to the LED lamps. The lines in the wire trough 10 are responsible for transmitting electrical energy from an external power source to the various LED lamps in the light source module. The wire trough has sufficient space for wiring, and can power the LED lamps on the light source board at one end, which increases convenience.

[0035] In some embodiments, a seal 21 is provided on the contact surface between the light-transmitting member 3 and the side panel 2. The seal 21 is installed through an interference fit between the upper surface of the side panel 2 and the lower surface of the light-transmitting member 3. This interference fit ensures that the gap between the light-transmitting member 3 and the side panel 2 is effectively filled, preventing the penetration of light, dust, and moisture. This not only improves the lighting efficiency of the LED lamp, but also extends its service life and reduces malfunctions and damage caused by environmental factors.

[0036] In some embodiments, the light-transmitting element 3 is made of a transparent material, such as pure white glass. Pure white glass, as the light-transmitting element 3, has extremely high transparency, allowing light to pass through smoothly and reducing light loss during propagation. Furthermore, pure white glass is pure in color, without introducing any color artifacts or affecting the color temperature of the light source. This ensures accurate and consistent color of the light emitted by the LED lamp, allowing for more efficient utilization of the light emitted by the LED lamp and reducing reflection and scattering of light within the light-transmitting element 3, thereby improving lighting efficiency.

[0037] In some embodiments, the thickness of the frame structure profile directly affects the overall structural stability of the LED lamp, and the thickness of the frame structure profile is clearly specified as 6mm to 8mm. Within this range, the profile can provide sufficient strength and rigidity to ensure that the light source will not be deformed or damaged due to external forces during long-term use; the first light source module 5 and the second light source module 6 will generate a certain amount of heat during operation, and the thickness of the frame structure profile as part of the light source will also affect the heat dissipation performance. The appropriate profile thickness can ensure that the heat can be dissipated in a timely and effective manner through heat conduction and convection, thereby avoiding damage to the light source or performance degradation due to overheating. Therefore, based on actual needs and test data, it is concluded that the frame structure uses a profile thickness of 6mm to 8mm.

[0038] In another embodiment, water pipe 20 is connected to a circulation device. The circulation device is responsible for feeding a heat circulating medium with a cooling effect into water pipe 20, cooling the heat-absorbing heat circulating medium, and then returning the cooled heat circulating medium to water pipe 20, thereby achieving continuous and efficient heat dissipation. The cooperation between the circulation device and water pipe 20 can remove heat generated by the LED light, reduce the operating temperature of the light source, and thus improve the stability and service life of the light source.

[0039] In summary, the present invention provides an LED light source for visual inspection, comprising a base 1, side panels 2, a light-transmitting member 3 and a cover plate 4. The base 1, side panels 2, light-transmitting member 3 and cover plate 4 together form a closed frame structure. The closed frame structure can protect the internal components from the influence of the external environment and can also ensure the effective control and transmission of light. The base 1 and the side panels 2 are provided with through holes running through the front and back. Water pipes are installed in the through holes. Heat exchange medium is filled in the water pipes. The heat is taken away by circulating flow to achieve an effective heat dissipation effect, thereby reducing the temperature inside the light source to avoid damage to the internal components due to light heat and extending the service life of the light source. ; The first light source module 5 and the second light source module 6 are respectively installed on the base 1 and the side panel 2, and a more efficient lighting effect can be achieved by combining different light source modules; a first support plate 7, a second support plate 8 and a third support plate 9 are set to scatter and adjust the light generated by the first light source module 5 and the second light source module 6, and finally emit it through the light-transmitting member 3, so that the position and angle of the support plate can be adjusted according to the needs of visual inspection to achieve the best lighting effect; the thickness of the light source frame structure profile is increased to enhance the overall strength of the light source frame structure, and long-term use will not cause deviations in equipment detection due to deformation of the light source.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. An LED light source for visual inspection, characterized in that: The light-transmitting element comprises a base, two side panels, a light-transmitting element and a cover panel, wherein the base, the two side panels, the light-transmitting element and the cover panel together form a closed frame structure, the two sides of the base are fixedly connected to the two side panels, the two ends of the base are fixed with cover panels, the light-transmitting element is arranged between the tops of the two side panels, the base is provided with a first light source module, the side panels are provided with a second light source module, and the light generated by the first light source module and the second light source module is emitted through the light-transmitting element; the base and the two side panels are also provided with through holes running through the front and back, the through holes are provided with water pipes, and the water pipes are filled with heat exchange medium.

2. The LED light source for visual inspection according to claim 1, characterized in that: It also includes a first support plate, a second support plate and a third support plate located in the frame structure and having light transmittance. The first support plate is arranged opposite to the first light source module, the second support plate is arranged opposite to the second light source module, and the third support plate is located between the first support plate and the second support plate, and is arranged obliquely relative to the first support plate and the second support plate.

3. The LED light source for visual inspection according to claim 2, characterized in that: The base is vertically provided with a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are arranged opposite to each other, the first light source module is located between the first mounting plate and the second mounting plate, and a first card slot for installing the first support plate is provided on the opposite surfaces of the first mounting plate and the second mounting plate, and a second card slot for installing the second support plate and a third card slot for installing the third support plate are provided on the first mounting plate.

4. The LED light source for visual inspection according to claim 3, characterized in that: One of the two side plates is provided with a docking groove adapted to the second clamping groove and the third clamping groove, and is used to fix the second support plate and the third support plate.

5. The LED light source for visual inspection according to claim 4, characterized in that: The through hole includes a first through hole located on the base, the first through hole is located between the first mounting plate and the second mounting plate, and is arranged corresponding to the first light source module.

6. The LED light source for visual inspection according to claim 4, characterized in that: A step is formed on one side of the first mounting plate facing the side plate, and the side plate is formed with a boss that can be engaged with the step. The through hole includes a second through hole, and the second through hole is provided in the boss.

7. The LED light source for visual inspection according to claim 1, characterized in that: The light source module includes a light source board and a plurality of LED lamps arranged on the light source board.

8. The LED light source for visual inspection according to claim 7, characterized in that: The light source board is fixedly connected to the base and the side panels respectively, and a wire groove running through both ends is provided on the contact surface. The wire groove has enough space to pass the circuit electrically connected to the LED lamp.

9. The LED light source for visual inspection according to claim 1, characterized in that: A sealing member is provided on the contact surface between the light-transmitting member and the side panel. The sealing member is interference-fitted between the upper surface of the side panel and the lower surface of the light-transmitting member. The light-transmitting member is made of pure white glass.

10. The LED light source for visual inspection according to claim 1, characterized in that: The thickness of the frame structure profile is 6mm to 8mm.

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