Parallel optical structure

Abstract

The utility model relates to the technical field of detection illumination, and discloses a parallel optical structure. The parallel optical structure comprises a lamp holder, a lampshade, a lamp cover, a double-sided convex lens and a light source, the lamp holder is of a semi-closed cavity structure, and the lamp source is installed in the lamp holder. The two ends of the lampshade are detachably connected to the lamp holder and the lamp cover respectively. A light hole is formed in the lamp cover, and the double-sided convex lens is arranged between the lampshade and the lamp cover and used for condensing scattered light emitted by the light source; the lamp holder, the lampshade, the double-sided convex lens and the light hole are located on the same axis. According to the parallel optical structure, on one hand, blue parallel light is irradiated on a detected product, so that the visual definition of the product is increased, and the detection effect of the detected product is improved; and on the other hand, the parallel optical structure is small in size and suitable for being installed at any position of detection equipment, and the applicability of the parallel optical structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of detection illumination, specifically is a parallel optical structure. BACKGROUND

[0002] In life, the uniformity and collimation of light source can directly affect the application effect and application range of product. In the product detection field, the uniformity and collimation of light source have very high requirements. The existing light source such as LED lamp cannot form parallel light because the light emission is scattering, so the light generated by the lamp is aggregated to form parallel light, so that the uniformity and collimation of light can meet the requirement to make the display more clear when product is irradiated.

[0003] However, in the existing lens type LED array light source, the joint gap light spot is inevitably generated in the joint process of lens and lens (lamp and lamp), so there are problems such as insufficient uniformity of light. In the LED array light source of imitating the light, the collimation of light source is insufficient, thereby limiting the application of LED array light source. In addition, the structure of the above two kinds of LED array light sources is relatively complex, and the volume is large, so the installation on the product detection equipment is limited.

[0004] Therefore, a parallel optical structure is urgently needed to solve the above problems. UTILITY MODEL CONTENT

[0005] Based on the above, the purpose of the utility model is to provide a parallel optical structure to solve the problems that the light source is relatively scattered and cannot meet the illumination requirement of product detection in the prior art, and the existing light structure is complex, so that the installation of light structure on the product detection equipment is limited.

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0007] The utility model provides a parallel optical structure, which comprises:

[0008] The lamp holder is a semi-closed cavity structure, and the lamp holder is provided with a light source;

[0009] The lampshade is detachably installed on the lamp holder;

[0010] The lamp cover is detachably installed on the other end of the lampshade away from the lamp holder; the lamp cover is provided with a light transmission hole;

[0011] The double convex lens is arranged between the lampshade and the lamp cover and is used for condensing the scattered light emitted by the light source;

[0012] The lamp holder, the lampshade, the double convex lens and the light transmission hole are located on the same axis.

[0013] As an optional technical scheme of the parallel optical structure, the circumferential inner diameter of the lamp cover near the lamp cap end is provided with an annular sink, and the double-sided convex lens is arranged in the annular sink.

[0014] As an optional technical scheme of the parallel optical structure, the inner diameter of the light transmission hole and the annular sink is 27mm, and the diameter of the double-sided convex lens is 30mm.

[0015] As an optional technical scheme of the parallel optical structure, the central thickness of the double-sided convex lens is 7.5mm, and the sinking height of the annular sink is 1.7mm.

[0016] As an optional technical scheme of the parallel optical structure, the inner wall of the lamp cap and the outer wall of the lamp cover near the lamp cap end are respectively provided with matching fine thread, and the lamp cap and the lamp cover are detachably connected through the thread.

[0017] As an optional technical scheme of the parallel optical structure, the inner wall of the lamp holder and the outer wall of the lamp cover near the lamp holder end are respectively provided with matching coarse thread, and the lamp holder and the lamp cover are detachably connected through the thread.

[0018] As an optional technical scheme of the parallel optical structure, the bottom of the lamp holder is provided with at least one through hole for wire penetration and a plurality of mounting screw holes arranged in a rectangular shape.

[0019] As an optional technical scheme of the parallel optical structure, the lamp holder is a half-rectangular structure with arc-shaped two sides.

[0020] As an optional technical scheme of the parallel optical structure, the light source adopts a blue laser lamp bead, and the light source and the lamp holder are provided with a heat sink.

[0021] As an optional technical scheme of the parallel optical structure, the focal length between the light source and the double-sided convex lens is 37.55mm.

[0022] The beneficial effects of the utility model are as follows:

[0023] The utility model provides a parallel optical structure, the parallel optical structure includes lamp holder, lamp cover, double-sided convex lens and light source, the lamp holder is half closed cavity structure, and the light source is installed in the lamp holder, the both ends of the lamp cover are detachably connected to the lamp holder and the lamp cap, the lamp cap is equipped with light transmission hole, the double-sided convex lens is installed between the lamp cover and the lamp cap and is used for condensing the scattered light emitted by the light source, wherein the lamp holder, the lamp cover, the double-sided convex lens and the light transmission hole are located on the same axis.

[0024] Under the above structure, by setting the focal length between the double convex lens and the blue laser lamp bead as 37.55mm, the blue scattered light emitted by the lamp source is converted into parallel light source after refraction by the double convex lens, the blue parallel light irradiated on the detected product increases the visual clarity of the product, and the detection effect of the detected product is improved; moreover, the parallel optical structure is small in size, is suitable for installation at any position of the detection equipment, and the applicability of the parallel optical structure is improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a whole structure schematic view of the parallel optical structure in the embodiment of the utility model;

[0026] Figure 2 It is an exploded schematic view of the parallel optical structure in the embodiment of the utility model;

[0027] Figure 3 It is a cross-sectional schematic view of the parallel optical structure in the embodiment of the utility model;

[0028] Figure 4 It is a structure schematic view of the lamp holder in the embodiment of the utility model;

[0029] Figure 5 It is a structure schematic view of the lamp holder in another view in the embodiment of the utility model.

[0030] In the drawing:

[0031] 1, lamp holder, 10, through hole, 11, mounting screw hole, 2, lampshade, 20, annular sink, 21, fine thread, 22, coarse thread, 3, lamp cover, 30, light transmission hole, 4, double convex lens, 5, lamp source, 50, heat sink. DETAILED DESCRIPTION

[0032] The utility model will be further explained in detail in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawing, not all structures.

[0033] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] In the utility model, unless another definite provision and limitation, first feature is in second feature " on " or " under " can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature is in second feature " on ", " above " and " upper surface " include that first feature is in second feature directly above and obliquely above, or just indicate that first feature horizontal height is higher than second feature. First feature is in second feature " under ", " below " and " lower surface " include that first feature is in second feature directly below and obliquely below, or just indicate that first feature horizontal height is less than second feature.

[0035] In the description of the embodiment, the orientation or position relationship of the terms "on", "under", "left", "right" and the like is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0036] In the description of the utility model, unless otherwise stated, the meaning of "a plurality of" is two or more than two. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0037] As Figures 1-5 The utility model provides a parallel optical structure, the parallel optical structure includes: lamp holder 1 is half closed cavity structure, is equipped with lamp source 5 in lamp holder 1;Lamp shade 2 is detachably installed in lamp holder 1;Lamp cover 3 is detachably installed in the other end of lamp shade 2 away from lamp holder 1;Lamp cover 3 is equipped with light transmission hole 30;Double convex lens 4 is installed between lamp shade 2 and lamp cover 3 for converging the scattered light emitted by the light source;Wherein, lamp holder 1, lamp shade 2, double convex lens 4 and light transmission hole 30 are located on the same axis.

[0038] The utility model provides a parallel optical structure through the focal length between double convex lens 4 and blue laser lamp pearl is set to 37.55mm, makes the blue scattered light of lamp source 5 converts into parallel light source after refraction through double convex lens 4, and the visual clarity of product is increased to the product on the detection of blue parallel light, improves the detection effect of the product of detection, and moreover the volume of the parallel optical structure is small, is suitable for the installation of any position of detection equipment, improves the applicability of the parallel optical structure.

[0039] Specifically, as Figure 2As shown, the lampshade 2 is connected to one end of the lamp cover 3, and the inner diameter of the lampshade 2 is provided with an annular sink 20. The inner diameter of the annular sink 20 is preferably 27 mm, and the diameter of the double-sided convex lens 4 is preferably 30 mm. The inner diameter of the lampshade 2 is larger than the diameter of the double-sided convex lens 4, so that the double-sided convex lens 4 can be placed on the annular sink 20. In this embodiment, the inner diameter of the annular sink 20 and the diameter of the double-sided convex lens 4 can also be adjusted according to the actual lighting requirements. The diameter difference between the two is more than 3 mm, so that when the double-sided convex lens 4 is placed on the annular sink 20, the upward convex surface of the double-sided convex lens 4 is higher than the port of the lampshade 2, and the downward convex surface extends towards the lamp holder 1. Specifically, the center thickness of the double-sided convex lens 4 is preferably 7.5 mm, which can refract and condense the scattered light emitted by the light source 5, so that the intensity of the light is stronger. The height of the annular sink 20 relative to the lampshade 2 is set to 1.7 mm, so that the upward convex surface of the double-sided convex lens 4 better matches the installation of the lamp cover 3.

[0040] Further, as shown in Figure 2 The inner wall of the lamp cover 3 and the outer wall of the lampshade 2 close to the end of the lamp cover 3 are respectively provided with matching fine thread 21. The matching of the fine thread 21 improves the speed of the rotation locking between the lamp cover 3 and the lampshade 2, which is more linear and slower. That is, when the lamp cover 3 is thread locked with the lampshade 2, the inner wall of the light transmission hole 30 will press against the double-sided convex lens 4 (as shown in Figure 3 The setting of the fine thread 21 can better regulate the pressure of the double-sided convex lens 4 when the lamp cover 3 is locked, so as to prevent the lamp cover 3 from being locked too much and causing wear or damage to the double-sided convex lens 4. More importantly, when different specifications of lenses are replaced according to lighting requirements, the precise thread adjustment between the lamp cover 3 and the lampshade 2 can also accurately adapt to the installation of different specifications of lenses, improving the applicability of the parallel optical structure.

[0041] In this embodiment, the inner wall of the lamp holder 1 and the outer wall of the lampshade 2 close to the end of the lamp holder 1 are respectively provided with matching coarse thread 22. The setting of the coarse thread 22 can improve the disassembly speed between the lampshade 2 and the lamp holder 1. On the one hand, the light source 5 is a consumable part, which will age or be damaged after long-term use. When a new light source 5 is replaced, the setting of the coarse thread 22 improves the disassembly speed of the parallel optical structure, thereby improving the maintenance efficiency in the later stage. On the other hand, in this embodiment, the light source 5 is preferably a blue laser bead. The wavelength range of blue light is between 400 nm and 500 nm, that is, the visual clarity of blue light irradiated on the detected product is relatively higher than that of other colors of light, which is helpful to the detection effect of the detection equipment on the product. When the light source 5 needs to be replaced according to different product detection, the setting of the coarse thread 22 can also quickly disassemble the lampshade 2 and the lamp holder 1, thereby improving the replacement efficiency of the light source 5.

[0042] Further, as shown in Figure 4 and Figure 5 The bottom of the lamp holder 1 is provided with two through holes 10, and a heat sink 50 is mounted between the lamp source 5 and the base. The heat sink 50 is preferably made of copper or other material with high thermal conductivity. A thermal conductive layer (such as thermal conductive silicone or indium layer) can also be coated between the heat sink 50 and the lamp source 5 and the base to increase the heat dissipation efficiency of the lamp source 5, so that the heat generated by the lamp source 5 during long-time illumination can be quickly dissipated through the heat sink, improving the stability and service life of the lamp source 5. The wires connected to the lamp source 5 extend out of the through holes 10 to connect to an external power source. This structure simplifies the overall size of the light structure, better adapts to the installation on various detection equipment, and increases the applicability of the parallel optical structure.

[0043] Specifically, as shown in Figure 5 The lamp holder 1 is a half-rectangular structure with arc-shaped sides. The bottom of the lamp holder 1 is provided with four rectangular mounting screw holes 11, and the side wall is provided with two mounting holes. The parallel structure of the two ends of the lamp holder 1 is convenient for the operator to hold the lamp holder 1 during disassembly. If the lamp holder 1 is circular, there will be a slipping phenomenon. On the other hand, the half-rectangular structure is convenient for installation on detection equipment, that is, it can be locked on the detection equipment through the four mounting screw holes 11 on the bottom of the lamp holder 1, or it can be positioned and installed on the detection equipment through the mounting holes at both ends of the lamp holder 1, improving the installation adaptability of the parallel optical structure on the detection equipment.

[0044] In this embodiment, the focal length between the lamp source 5 and the double-sided convex lens 4 is preferably 37.55mm. According to the results of multiple tests, the focal length of 37.55mm is most suitable for the intensity and clarity of the light when installed on most detection equipment for illumination. Of course, the focal length between the lamp source 5 and the double-sided convex lens 4 can be adjusted according to the length of the distance between the detection equipment and the detected product to achieve the best illumination and visual clarity.

[0045] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application is disclosed as above, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the scope of the present application. Any simple modification, equivalent change and modification of the above embodiments within the scope of the present application are all within the scope of the present application.

Claims

1. A parallel optical structure, characterized in that, include: The lamp holder is a semi-enclosed cavity structure, and a lamp source is provided inside the lamp holder; The lampshade is detachably mounted on the lamp holder; A lamp cover is detachably installed at the other end of the lampshade away from the lamp holder; the lamp cover has a light-transmitting hole. A double-sided convex lens is installed between the lampshade and the lamp cover to focus the scattered light emitted by the light source. The lamp holder, lamp cover, double-sided convex lens, and light-transmitting hole are located on the same axis.

2. The parallel optical structure according to claim 1, characterized in that, The lampshade has an annular recessed platform on its circumferential inner diameter near the lamp cover end, and the double-sided convex lens is placed on the annular recessed platform.

3. The parallel optical structure according to claim 2, characterized in that, The inner diameter of the light-transmitting hole and the annular recess is 27mm, and the diameter of the double-sided convex lens is 30mm.

4. A parallel optical structure according to claim 3, characterized in that, The center thickness of the double-sided convex lens is 7.5 mm, and the height of the annular recess is 1.7 mm.

5. A parallel optical structure according to claim 1, characterized in that, The inner wall of the lamp cover and the outer wall of the lamp shade near the lamp cover end are respectively provided with matching fine threads, and the lamp cover and the lamp shade are detachably connected by threads.

6. A parallel optical structure according to claim 1, characterized in that, The inner wall of the lamp holder and the outer wall of the lamp cover near the lamp holder end are respectively provided with matching coarse threads, and the lamp holder and the lamp cover are detachably connected by threads.

7. A parallel optical structure according to claim 1, characterized in that, The bottom of the lamp holder is provided with at least one through hole for wires to pass through and multiple mounting screw holes arranged in a rectangle.

8. A parallel optical structure according to claim 1, characterized in that, The lamp holder is a semi-rectangular structure with arc-shaped sides.

9. A parallel optical structure according to claim 1, characterized in that, The light source uses blue laser beads, and a heat sink is provided between the light source and the lamp holder.

10. A parallel optical structure according to claim 9, characterized in that, The focal length between the light source and the biconvex lens is 37.55 mm.

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