Annular light source and detection device

Abstract

The utility model relates to the technical field of light sources, and discloses an annular light source and a detection device. The circuit board is mounted in the annular shell; the lamp bead comprises a light-emitting part, a first contact pin and a second contact pin, the first contact pin and the second contact pin are both connected with the light-emitting part, and the first contact pin and the second contact pin are sleeved with a first limiting check ring and a second limiting check ring respectively; the first contact pin and the second contact pin are detachably connected with the circuit board in an inserted mode, and the first limiting check ring and the second limiting check ring abut against the circuit board to fix the light-emitting part. According to the light source and the detection device, the lamp beads can be detachably installed on the circuit board, and cost can be saved.

Description

Technical Field

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

[0002] The ring light source generally includes a housing, a circuit board installed in the housing, and lamp beads welded and fixed on the circuit board. The lamp beads can be well fixed on the circuit board, but once the lamp beads are fixed, they are not easy to remove or replace unless the welding part is broken. Therefore, each circuit board can only form one lighting effect, with a small scope of application, which is not conducive to achieving the purpose of flexible use and cost saving.

[0003] In view of this, it is necessary to design a ring-shaped light source and a detection device, which can make the lamp beads detachably installed on the circuit board, which is conducive to cost saving.

[0004] The above information is presented as background information only to assist with understanding the present disclosure and no determination or admission is made as to whether any of the above may be used as prior art with respect to the present disclosure. Utility Model Content

[0005] The utility model provides an annular light source and a detection device, which can enable lamp beads to be detachably installed on a circuit board, thereby being beneficial to cost saving.

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

[0007] A ring light source, comprising:

[0008] annular housing;

[0009] A circuit board is installed in the annular housing;

[0010] A lamp bead comprises a light-emitting part, a first plug pin and a second plug pin, wherein the first plug pin and the second plug pin are both connected to the light-emitting part, and the first plug pin and the second plug pin are respectively sleeved with a first limit stop ring and a second limit stop ring;

[0011] The first plug pin and the second plug pin are respectively detachably plugged and connected to the circuit board, and the first limit stop ring and the second limit stop ring respectively abut against the circuit board to fix the light-emitting part.

[0012] Optionally, the first limit stopper ring and the second limit stopper ring are both arranged on a side of the circuit board close to the light-emitting portion, and an adhesive layer is arranged on the side of the first limit stopper ring and the side of the limit stopper ring close to the circuit board;

[0013] The first limit stop ring and the second limit stop ring are adhesively connected to the circuit board.

[0014] Optionally, the first pin is provided with an arc groove, the first limit retaining ring is provided with an arc-shaped protrusion matching the arc groove, and a surface of the arc-shaped protrusion and an inner hole wall of the first limit retaining ring are smoothly transitioned.

[0015] Optionally, the second limit stop ring has the same structure as that of the first limit stop ring, and an arc groove is provided on the second pin.

[0016] Optionally, the first plug pin includes a first plug-in portion and a first bending adjustment portion, and two ends of the first bending adjustment portion are respectively connected to the light-emitting portion and the first plug-in portion; the second plug pin includes a second plug-in portion and a second bending adjustment portion, and two ends of the second bending adjustment portion are respectively connected to the light-emitting portion and the second plug-in portion;

[0017] The length of the second bending adjustment portion is greater than that of the first bending adjustment portion, so that the light emitting direction of the light emitting portion is inclined relative to the circuit board.

[0018] Optionally, the bending radians of the first bending adjustment portion and the second bending adjustment portion are adjustable.

[0019] Optionally, the circuit board is provided with a first detection hole in a ring shape;

[0020] The annular shell has a second detection hole corresponding to the first detection hole, and the center line of the first detection hole coincides with the center line of the second detection hole.

[0021] Optionally, two circles of lamp beads are arranged in a circular array around the first detection hole on the circuit board;

[0022] The center lines of all the lamp beads intersect at a set point, and the set point is located on the center line of the first detection hole.

[0023] Optionally, two first limit retaining rings are arranged on the first pin, and the two first limit retaining rings clamp the circuit board;

[0024] Two second limit retaining rings are arranged on the second pin, and the two second limit retaining rings clamp the circuit board.

[0025] A detection device comprises the annular light source as described in any one of the above items.

[0026] Compared with the prior art, the utility model has the following beneficial effects:

[0027] In the annular light source and detection device provided by the utility model, the first pin and the second pin of the lamp bead are both plug-connected with the circuit board, the first limit retaining ring sleeved on the first pin can further enhance the fixing effect of the first pin and make the first pin inserted into the circuit board at a more appropriate depth, the second limit retaining ring sleeved on the second pin can further enhance the fixing effect of the second pin and make the second pin inserted into the circuit board at a more appropriate depth; the lamp bead in this embodiment can be easily disassembled, and after the lamp bead is replaced, the light output colors of different areas can be presented on the same circuit board, so that the application range of the annular light source is larger, there is no need to purchase too many circuit boards, which is conducive to cost saving.

[0028] The present invention has other characteristics and advantages, which will be apparent from the accompanying drawings and subsequent specific embodiments incorporated herein, or will be described in detail in the accompanying drawings and subsequent specific embodiments incorporated herein, which together are used to explain the specific principles of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0030] Figure 1 is a schematic top view of a ring-shaped light source provided by an embodiment of the utility model;

[0031] Figure 2 yes Figure 1 Schematic diagram of the structure of the A-A section;

[0032] Figure 3 It is a schematic diagram of the installation structure of the circuit board and the lamp beads provided in the embodiment of the utility model;

[0033] Figure 4 yes Figure 3 A magnified schematic diagram of position A in the middle;

[0034] Figure 5 It is a schematic diagram of the installation structure of another annular light source provided in an embodiment of the utility model.

[0035] Figure numerals: 1, annular shell; 101, second detection hole; 2, circuit board; 201, first detection hole; 3, lamp bead; 31, light-emitting part; 32, first plug pin; 3201, arc groove; 321, first plug-in part; 322, first bending adjustment part; 41, arc-shaped protrusion; 33, second plug pin; 331, second plug-in part; 332, second bending adjustment part; 4, first limit ring; 5, second limit ring. DETAILED DESCRIPTION

[0036] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0037] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0038] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0039] In the description of this application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that three relationships may exist, for example, A and / or B, which means: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this article generally indicates that the objects before and after are in an "or" logical relationship.

[0040] In the present application, terms such as “first” and “second” are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship of quantity, priority or sequence between these entities or operations.

[0041] Without further limitations, in this application, the words "include", "comprises", "has" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those limited elements, but also other elements not explicitly listed, or also include elements inherent to such process, method or product.

[0042] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than", "less than", "exceed" and the like are understood to exclude the number itself; expressions such as "above", "below", "within" and the like are understood to include the number itself. In addition, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise clearly and specifically limited.

[0043] In the description of the embodiments of the present application, space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the referred device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0044] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms such as "install", "connect", "connect", "fix", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For technicians in the technical field to which the present application belongs, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0045] Embodiment 1

[0046] In view of the above-mentioned defects existing in the existing annular light sources, the applicant, based on rich practical experience and professional knowledge in the design and manufacture of such products for many years, and in cooperation with the application of theory, actively conducts research and innovation in the hope of creating a technology that can solve the defects in the existing technology and make the annular light source more practical. After continuous research, design, and repeated trial production of samples and improvements, the present utility model with practical value has finally been created.

[0047] Please refer to Figures 1 to 4 , the embodiment of the present utility model provides an annular light source, which makes the disassembly and assembly of the lamp beads 3 more convenient, facilitates the replacement of lamp beads 3 of different colors, and thus can flexibly adjust the light output color of the annular light source. There is no need to purchase too many lamp beads 3 and circuit boards 2, which is beneficial to cost savings.

[0048] The annular light source includes: an annular housing 1 for support; a circuit board 2 installed in the annular housing 1; lamp beads 3 including a light emitting portion 31, a first pin 32, and a second pin 33. Both the first pin 32 and the second pin 33 are connected to the light emitting portion 31, and a first limiting retaining ring 4 and a second limiting retaining ring 5 are respectively sleeved on the first pin 32 and the second pin 33; the first pin 32 and the second pin 33 are respectively plugged and connected to the circuit board 2, and the first limiting retaining ring 4 and the second limiting retaining ring 5 respectively abut against the circuit board 2 to fix the light emitting portion 31.

[0049] It should be added that the first limiting retaining ring 4 is pre-installed at a suitable position on the first pin 32, and the second limiting retaining ring 5 is pre-installed on the second pin 33. Then, when replacement is needed, the lamp bead installed on the circuit board 2 is directly pulled out, and then the first pin 32 and the second pin 33 of the lamp bead 3 with a new light output color are inserted into the appropriate positions on the circuit board 2, and both the first limiting retaining ring 4 and the second limiting retaining ring 5 abut against the circuit board 2. The first limiting retaining ring 4 and the second limiting retaining ring 5 can effectively fix the lamp bead 3, improve the fixing effect of the lamp bead 3, and effectively avoid the shaking of the lamp bead 3, thereby improving the installation stability of the lamp bead 3.

[0050] It should also be added that when the first pin 32 and the second pin 33 are inserted into the circuit board 2, the circuit board 2 can supply power to the lamp bead 3. In addition, the circuit board 2 can control the opening and closing of the lamp bead 3.

[0051] Optionally, both the first limiting retaining ring 4 and the second limiting retaining ring 5 are arranged on the side of the circuit board 2 close to the light emitting portion 31, and adhesive layers are arranged on the sides of the first limiting retaining ring 4 and the limiting retaining ring close to the circuit board 2; the first limiting retaining ring 4 and the second limiting retaining ring 5 are adhesively connected to the circuit board 2. Specifically, both the first limiting retaining ring 4 and the second limiting retaining ring 5 are adhesively fixed on the circuit board 2, further improving the fixing effect on the lamp bead 3 and effectively avoiding the shaking problem of the lamp bead caused by unstable plug-in connection.

[0052] Optionally, the first pin 32 is provided with an arc groove 3201, the first limit retaining ring 4 is provided with an arc protrusion 41 matching the arc groove 3201, and a smooth transition is made between the surface of the arc protrusion 41 and the inner hole wall of the first limit retaining ring 4. Specifically, the cooperation between the arc groove 3201 and the arc protrusion 41 can effectively improve the effect of fixing the first limit retaining ring 4 on the first pin 32. It should be supplemented that the first limit retaining ring 4 has a certain elasticity, and the first limit retaining ring 4 elastically squeezes the first pin 32, so that the position of the first limit retaining ring 4 on the first pin 32 can be adjusted.

[0053] Optionally, the structure of the second limit stop ring 5 is the same as that of the first limit stop ring 4 , and an arc groove 3201 is provided on the second pin 33 .

[0054] Optionally, the first plug pin 32 includes a first plug portion 321 and a first curved adjustment portion 322, and the two ends of the first curved adjustment portion 322 are respectively connected to the light emitting portion 31 and the first plug portion 321; the second plug pin 33 includes a second plug portion 331 and a second curved adjustment portion 332, and the two ends of the second curved adjustment portion 332 are respectively connected to the light emitting portion 31 and the second plug portion 331; the length of the second curved adjustment portion 332 is greater than the length of the first curved adjustment portion 322, so that the light emitting direction of the light emitting portion 31 is inclined relative to the circuit board 2. The curvature of the first curved adjustment portion 322 and the second curved adjustment portion 332 is adjustable.

[0055] Specifically, the degree of curvature of the first curvature adjustment portion 322 and the second curvature adjustment portion 332 can be adjusted to achieve the purpose of adjusting the light emission direction of the lamp beads 3, so that the lighting areas of multiple lamp beads 3 can overlap as much as possible, thereby improving the lighting effect on the workpiece.

[0056] Optionally, the circuit board 2 is provided with a first detection hole 201 in an annular shape; the annular housing 1 is provided with a second detection hole 101 corresponding to the first detection hole 201, and the center line of the first detection hole 201 coincides with the center line of the second detection hole 101. The camera detects the workpiece illuminated by the annular light source through the second detection hole 101 and the second detection hole 201.

[0057] Optionally, two circles of lamp beads 3 are arranged in a circular array around the first detection hole 201 on the circuit board 2; the center lines of all the lamp beads 3 intersect at a set point, and the set point is located on the center line of the first detection hole 201. Figure 2 or Figure 5 As shown, there is no need to set the circuit board 2 to a tilted state, making the installation of the circuit board 2 more convenient. It is only necessary to reasonably set the positions of the first limit retaining ring 4 and the second limit retaining ring 5 and insert the lamp bead 3 at a suitable position.

[0058] Alternatively, if Figure 5Two first limit retaining rings 4 are arranged on the first pin 32, and the two first limit retaining rings 4 clamp the circuit board 2; two second limit retaining rings 5 ​​are arranged on the second pin 33, and the two second limit retaining rings 5 ​​clamp the circuit board 2, thereby further improving the effect of fixing the lamp bead 3 on the circuit board 2.

[0059] Embodiment 2

[0060] This embodiment discloses a detection device, including the annular light source as described in the first embodiment.

[0061] Finally, it should be noted that although the above embodiments have been described in the specification and drawings of this application, this does not limit the scope of patent protection of this application. All technical solutions generated by replacing or modifying equivalent structures or equivalent processes based on the essential concept of this application using the contents recorded in the specification and drawings of this application, as well as directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, are included in the scope of patent protection of this application.

Claims

1. A ring light source, characterized in that: include: An annular housing (1); A circuit board (2) is installed in the annular housing (1); The lamp bead (3) comprises a light-emitting portion (31), a first plug pin (32) and a second plug pin (33); the first plug pin (32) and the second plug pin (33) are both connected to the light-emitting portion (31), and the first plug pin (32) and the second plug pin (33) are respectively sleeved with a first limit stop ring (4) and a second limit stop ring (5); The first plug pin (32) and the second plug pin (33) are respectively detachably plugged into the circuit board (2), and the first limit stop ring (4) and the second limit stop ring (5) respectively abut against the circuit board (2) to fix the light-emitting portion (31).

2. The ring light source according to claim 1, characterized in that: The first limit stop ring (4) and the second limit stop ring (5) are both arranged on a side of the circuit board (2) close to the light-emitting portion (31), and an adhesive layer is arranged on the side of the first limit stop ring (4) and the side of the limit stop ring close to the circuit board (2); The first limit stop ring (4) and the second limit stop ring (5) are adhesively connected to the circuit board (2).

3. The ring light source according to claim 1, characterized in that: The first pin (32) is provided with an arc groove (3201), the first limit retaining ring (4) is provided with an arc protrusion (41) matching the arc groove (3201), and a surface of the arc protrusion (41) and an inner hole wall of the first limit retaining ring (4) are smoothly transitioned.

4. The ring light source according to claim 3, characterized in that: The structure of the second limit stop ring (5) is the same as that of the first limit stop ring (4), and a circular arc groove (3201) is provided on the second plug pin (33).

5. The ring light source according to claim 1, characterized in that: The first plug pin (32) comprises a first plug-in portion (321) and a first bending adjustment portion (322), and two ends of the first bending adjustment portion (322) are respectively connected to the light-emitting portion (31) and the first plug-in portion (321); the second plug pin (33) comprises a second plug-in portion (331) and a second bending adjustment portion (332), and two ends of the second bending adjustment portion (332) are respectively connected to the light-emitting portion (31) and the second plug-in portion (331); The length of the second bending adjustment portion (332) is greater than the length of the first bending adjustment portion (322), so that the light emitting direction of the light emitting portion (31) is inclined relative to the circuit board (2).

6. The ring light source according to claim 5, characterized in that: The bending radians of the first bending adjustment portion (322) and the second bending adjustment portion (332) are adjustable.

7. The annular light source according to claim 1, characterized in that: The circuit board (2) is provided with a first detection hole (201) in the shape of a ring; The annular housing (1) is provided with a second detection hole (101) corresponding to the first detection hole (201), and the center line of the first detection hole (201) coincides with the center line of the second detection hole (101).

8. The ring light source according to claim 7, characterized in that: Two circles of lamp beads (3) are arranged in a circular array around the first detection hole (201) on the circuit board (2); The center lines of all the lamp beads (3) intersect at a set point, and the set point is located on the center line of the first detection hole (201).

9. The ring light source according to claim 1, characterized in that: Two first limit retaining rings (4) are arranged on the first plug pin (32), and the two first limit retaining rings (4) clamp the circuit board (2); Two second limit retaining rings (5) are arranged on the second plug pin (33), and the two second limit retaining rings (5) clamp the circuit board (2).

10. A detection device, characterized in that: The invention comprises the ring-shaped light source as claimed in any one of claims 1 to 9.

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