CN215833292U - Light source device of visual detection equipment and visual detection equipment - Google Patents
Light source device of visual detection equipment and visual detection equipment Download PDFInfo
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- CN215833292U CN215833292U CN202122213528.5U CN202122213528U CN215833292U CN 215833292 U CN215833292 U CN 215833292U CN 202122213528 U CN202122213528 U CN 202122213528U CN 215833292 U CN215833292 U CN 215833292U
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Abstract
The utility model discloses a light source device of visual detection equipment and the visual detection equipment, relates to the technical field of visual detection, and solves the technical problems that the existing visual detection equipment is poor in illumination effect, low in detection efficiency and incapable of ensuring detection quality. The light source device comprises a light source module and a light source cover; the light source module is arranged at the bottom in the light source cover; the light source module can produce illumination and shine the light source cover, the light source cover can be right illumination reflects, and throws to visual inspection equipment's table surface. According to the utility model, the illumination generated by the light source module is irradiated onto the light source cover and is reflected onto the working table surface through the light source cover, and the illumination can be scattered in the transmission process, so that the illumination is irradiated onto the working table surface more uniformly, the shadow concentration is low, the illumination effect is good, the detection efficiency is high, and the detection quality is ensured.
Description
Technical Field
The utility model relates to the technical field of visual inspection, in particular to a light source device of visual inspection equipment and the visual inspection equipment.
Background
The finished product Circuit Board (Printed Circuit Board + Assembly, referred to as PCBA for short) is a PCBA, which is one of the key components of electronic equipment, and specifically, the PCBA refers to a Circuit Board obtained by mounting a PCB blank Board by SMT and then performing DIP plug-in (some products do not require this step), that is, various electronic devices are assembled on the PCB by a surface packaging process. Due to the continuous maturity of the current SMT technology, components in the assembly and processing process of the PCBA become smaller and smaller, so that the PCBA has stronger functions, and meanwhile, great challenges are brought to testing and inspection. The performance and the yield of the circuit board are directly influenced by the positive and negative positions of components on the PCBA, the short circuit of welding spots and the quantity of pins. Therefore, it is an indispensable and very important link for the PCBA to check whether the product is qualified before delivery.
Present PCBA board detection device adopts visual detection equipment to realize usually, in order to guarantee the accuracy that detects, often needs light source device to throw light on, and shadow can appear in the illumination of current light source device, can not provide good illumination already, consequently, needs to set up an effectual novel light source device of a section.
In the process of implementing the utility model, the utility model people find that at least the following problems exist in the prior art:
the existing visual detection equipment has poor illumination effect and low detection efficiency, and can not ensure the detection quality.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a light source device of visual detection equipment and the visual detection equipment, and aims to solve the technical problems that the existing visual detection equipment in the prior art is poor in illumination effect, low in detection efficiency and incapable of ensuring detection quality. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a light source device of visual detection equipment, which comprises a light source module and a light source cover, wherein the light source module is arranged on the light source cover; the light source module is arranged at the bottom in the light source cover; the light source module can produce illumination and shine the light source cover, the light source cover can reflect natural light and illumination to throw to visual inspection equipment's table surface.
Preferably, the light source cover is of an arc-shaped structure; the light source cover is provided with a first opening and a second opening; the first opening is arranged at the bottom of the light source cover; the second opening is arranged at the top of the light source cover and can be used for placing a shooting device of the visual detection equipment.
Preferably, a groove-shaped structure is arranged at the bottom of the inner side of the light source cover; the groove-shaped structure is matched with the light source module; the light source module is arranged in the groove-shaped structure of the light source cover.
Preferably, the height of the edge of the groove-shaped structure is higher than that of the light source module, so that the light of the light source module can be prevented from being scattered or directly projected onto the working table.
Preferably, the light source module comprises a plurality of strip-shaped light sources; the strip-shaped light source consists of a plurality of LED lamp beads; the plurality of strip-shaped light sources are all arranged in the groove-shaped structure of the light source cover; a plurality of heat dissipation holes are formed in the periphery of the bottom of the light source cover, and the heat dissipation holes are formed above the groove-shaped structure.
Preferably, the light source cover is connected with the fixing structure of the visual inspection device through a connecting sheet.
Preferably, the light source device further comprises a baffle plate; the baffle comprises a first baffle and a second baffle; the first baffle and the second baffle are oppositely arranged; the first baffle and the second baffle are provided with first strip holes; the top of the light source cover is provided with a first mounting hole; the baffle is fixedly connected with the light source cover through the first strip hole and the first mounting hole; the first baffle and the second baffle can move mutually.
Preferably, the first baffle and the second baffle are provided with arc-shaped notches, and when the first baffle and the second baffle are abutted, the notches of the first baffle and the second baffle form a hollow structure; the hollow structure is matched with a shooting device of the visual detection equipment.
A visual detection device comprises a light source device of any one of the visual detection devices, a fixing structure, a shooting device and a control device; the shooting device and the control device are fixedly connected with the fixed structure.
Preferably, the fixed structure comprises a support; the supporting piece comprises a supporting plate and supporting legs; the supporting plate is obliquely arranged and is fixedly connected with the control device; the supporting legs are vertically arranged and arranged on one side of the upper end of the supporting plate.
The implementation of one of the technical schemes of the utility model has the following advantages or beneficial effects:
according to the utility model, the light generated by the light source module is irradiated onto the light source cover, and is reflected onto the working table surface through the light source cover, and the light is scattered in the transmission process, so that the light is irradiated onto the working table surface more uniformly, the shadow concentration is reduced, the shadow-free effect is realized, the light irradiation effect is good, the detection efficiency is high, and the detection quality is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic diagram of a visual inspection apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of a first viewing angle of an embodiment of a light source device of the visual inspection apparatus of the present invention;
FIG. 3 is a schematic view of a second viewing angle of an embodiment of a light source device of the visual inspection apparatus of the present invention;
FIG. 4 is a schematic view of the installation of the light source device and the fixing structure of the visual inspection apparatus according to the embodiment of the present invention;
FIG. 5 is a schematic view of an installation of a light source device and a camera device of an embodiment of the vision inspection apparatus of the present invention;
fig. 6 is a perspective view of an embodiment of the visual inspection apparatus of the present invention.
In the figure: 1. a light source module; 2. a light source cover; 21. a first opening; 22. a second opening; 23. a groove-shaped structure; 24. mounting holes; 241. a first mounting hole; 242. a second mounting hole; 243. a third mounting hole; 25. heat dissipation holes; 3. a baffle plate; 31. a first baffle plate; 32. a second baffle; 33. a first elongated hole; 34. a hollow structure; 4. a photographing device; 41. a lens group; 42. a transmission set; 5. a fixed structure; 51. connecting sheets; 52. a support member; 521. a support plate; 522. supporting legs; 6. a control device; 7. a display; 8 shell.
Detailed Description
In order that the objects, aspects and advantages of the present invention will become more apparent, various exemplary embodiments will be described below with reference to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary embodiments in which the utility model may be practiced. The same numbers in different drawings identify the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. It is to be understood that they are merely examples of processes, methods, apparatus, etc. consistent with certain aspects of the present disclosure as detailed in the appended claims, and that other embodiments may be used or structural and functional modifications may be made to the embodiments set forth herein without departing from the scope and spirit of the present disclosure.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," and the like are used in the orientations and positional relationships illustrated in the accompanying drawings for the purpose of facilitating the description of the present invention and simplifying the description, and do not indicate or imply that the elements so referred to must have a particular orientation, be constructed in a particular orientation, and be operated. The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The term "plurality" means two or more. The terms "coupled" and "connected" are to be construed broadly and may include, for example, a fixed connection, a removable connection, a unitary connection, a mechanical connection, an electrical connection, a communicative connection, a direct connection, an indirect connection via intermediate media, and may include, but are not limited to, a connection between two elements or an interactive relationship between two elements. The term "and/or" includes any and all combinations of one or more of the associated listed items. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In order to explain the technical solution of the present invention, the following description is made by way of specific examples, which only show the relevant portions of the embodiments of the present invention.
The first embodiment is as follows:
as shown in fig. 1 to 6, the present invention provides a light source device of a visual inspection apparatus, which includes a light source module 1 and a light source housing 2. Light source module 1, light source cover 2 interconnect adopt the screw connection, guarantee light source device's stability, and light source module 1 sets up the bottom in light source cover 2, and the space arrangement of being convenient for, compact structure provides the better operating space of table surface. Light source module 1 can produce illumination and shine light source cover 2, light source cover 2 can reflect illumination, and throw the table surface to visual detection equipment, light source cover 2 preferred is opaque material, prevent that part light from seeing through light source cover 2, produce photic loss, and light source cover 2 inboard can increase the reflection coating, further strengthen the reflection of light, it is rough surface to prefer 2 inboard surfaces of light source cover, the reflection that makes illumination take place is the diffuse reflection, the direction of reflection ray is different, make light softer. Illumination that light source module 1 produced can scatter in the air in shining light source cover 2 and reflecting the path to table surface from light source cover 2, makes the PCBA board that waits to detect on the table surface like this close shine more evenly, reduces shadow concentration, realizes the effect that does not have the shadow, has ensured detection quality and detection efficiency. According to the utility model, the illumination generated by the light source module 1 irradiates on the light source cover 2, and is reflected on the working table surface through the light source cover 2, and the illumination is scattered in the transmission process, so that the illumination irradiates on the working table surface more uniformly, the shadow concentration is reduced, the shadow-free effect is realized, the illumination effect is good, the detection efficiency is high, and the detection quality is ensured.
As an optional implementation manner, as shown in fig. 1 to 3, the light source cover 2 is an arc-shaped structure, the arc-shaped structure can reflect natural light and illumination more uniformly, the area of the arc-shaped structure is large, light can be reflected to the working table surface to the greatest extent, and the arrangement of the arc-shaped structure can make the space in the visual inspection equipment more compact, so that the volume of the visual inspection equipment is reduced. The light source cover 2 is provided with a first opening 21 and a second opening 22, the first opening 21 is arranged at the bottom of the light source cover 2, the size of the first opening 21 is matched with the working table surface, and the second opening 22 is arranged at the top of the light source cover 2 and can be used for placing the shooting device 4 of the visual detection equipment.
As an alternative embodiment, as shown in fig. 1-3, the bottom of the inner side of the light source housing 2 is provided with a groove-shaped structure 23, and the groove-shaped structure 23 is located on the periphery side of the bottom of the light source housing 2, i.e. the inner side edge of the first opening 21 forms a concave structure. The groove-shaped structure 23 is matched with the light source module 1, the groove-shaped structure 23 can accommodate the light source module 1, the shape of the groove-shaped structure 23 can be set arbitrarily according to the shape of the light source housing 2, the shape of the first opening 21 or a required shape, for example, the shape of the bottom of the light source housing 2 can be rectangular, circular or polygonal, the shape of the first opening 21 can also be rectangular, circular or polygonal, and the shape of the bottom of the light source housing 2 and the shape of the first opening 21 can be matched arbitrarily, so that the setting of the shape of the groove-shaped structure 23 changes correspondingly. The light source module 1 is arranged in a groove-shaped structure 23 of the light source housing 2, and the groove-shaped structure 23 is used for accommodating the light source module 1. The light source cover 2 is further provided with a mounting hole 24, the mounting hole 24 comprises a first mounting hole 241, a second mounting hole 242 and a third mounting hole 243, the first mounting hole 241 is arranged at the top of the light source cover 2, the second mounting hole 242 and the third mounting hole 243 are arranged at the bottom of the light source cover 2, the light source cover 2 and the baffle 3 can be fixedly connected through the first mounting hole 241, the light source cover 2 and the light source module 1 can be fixedly connected through the second mounting hole 242, the light source cover 2 and the connecting sheet 51 on the fixed structure 5 can be fixedly connected through the third mounting hole 243, and the number of the mounting holes 24 can be set arbitrarily according to requirements.
As an optional implementation manner, as shown in fig. 1 and 3, the height of the edge of the groove-shaped structure 23 is higher than the height of the light source module 1, so that the light of the light source module can be prevented from scattering or directly irradiating the work table, and the PCBA board on the work table is shaded under irradiation, which results in poor shooting effect of the shooting device 4 and affects detection quality and detection efficiency, and the vertical height of the groove-shaped structure 23 can focus light to irradiate the inner side of the arc-shaped structure.
As an optional implementation manner, as shown in fig. 2 to 5, the light source module 1 includes a plurality of bar light sources, the plurality of bar light sources form a frame structure, the frame structure is a closed structure, and can provide uniform illumination, and the light source module 1 corresponds to the outer side of the working table, so as to ensure that the working table can be fully illuminated by light, and the shape formed by the plurality of bar light sources can be set according to the shape of the first opening 21 of the light source cover 2. The strip light source comprises a plurality of LED lamp pearls, and preferred strip light source comprises rectangular shape light source and short strip light source, the installation of being convenient for, assorted shape and length can be set to according to the demand to LED lamp pearl. A plurality of bar light sources all set up in the groove structure 23 of light source cover 2, guarantee bar light source's stability, are convenient for install bar light source. The periphery of the bottom of the light source cover 2 is provided with a plurality of heat dissipation holes 25, the heat dissipation holes 25 are arranged above the groove-shaped structure 23, heat generated by the light source module 1 is dissipated through the plurality of heat dissipation holes 25, the heat dissipation holes 25 enable the air inside and outside the light source cover 2 to convect to achieve the heat dissipation purpose, the heat dissipation holes 25 are close to the light source module 1, the heat dissipation speed is increased, and the heat dissipation holes 25 are arranged on the periphery of the bottom of the light source cover 2 to guarantee the uniformity of heat dissipation.
As an alternative embodiment, as shown in fig. 1 and 4, the light source housing 2 is connected to the fixing structure 5 of the visual inspection device by a connecting piece 51. The connecting piece 51 is L-shaped, can lift the light source cover 2, and has better stability. The light source cover 2 is arranged at the upper end of the fixing structure 5, and the upper end of the fixing structure 5 can surround the light source cover 2 to provide an installation space for the light source device and other devices.
As an alternative embodiment, as shown in fig. 2 to 5, the light source device further includes a baffle 3, and the baffle 3 includes a first baffle 31 and a second baffle 32. The first baffle 31 and the second baffle 32 are arranged oppositely, and can be arranged to have the same height, or the heights are staggered, when the heights are the same, the first baffle 31 and the second baffle 32 are abutted to form a hollow structure 34, the hollow structure 34 is not abutted to the shooting device 4, a small space is provided for the shooting device 4 to move, and the maximum area of the hollow structure 34 is obtained at the moment; when the heights are staggered, the first baffle 31 and the second baffle 32 are abutted to form the hollow structure 34 which can be abutted or not abutted with the shooting device 4 according to requirements, and the shooting device 4 cannot move during abutting. The first barrier 31 is provided at the front end of the top of the light source housing 2, and the second barrier 32 is provided at the rear end of the top of the light source housing 2. The first and second blocking plates 31 and 32 are provided with first elongated holes 33, and the first elongated holes 33 are disposed on two sides of the second opening 22 of the corresponding light source housing 2, so as to facilitate the subsequent movement of the first and second blocking plates 31 and 3. The top of the light source cover is provided with a first mounting hole 241, and the baffle 3 is fixedly connected with the light source cover 2 through a first strip hole 33 and the first mounting hole 241, wherein the fixed connection is screw connection or bolt connection. First baffle 31, second baffle 32 can the mutual displacement, because first rectangular hole 33 that sets up on first baffle 31, the second baffle 32 is rectangular shape, has the guide effect, behind first baffle 31 and the mutual displacement of second baffle 32, all can carry out baffle 3 and light source cover 2 interconnect.
As an optional embodiment, as shown in fig. 2 to 5, each of the first baffle plate 31 and the second baffle plate 32 is provided with an arc-shaped notch, when the first baffle plate 31 and the second baffle plate 32 abut against each other, the notch of the first baffle plate and the notch of the second baffle plate form a hollow structure 34, as the first baffle plate 31 and the second baffle plate 32 move relative to each other, the area of the hollow structure 34 changes, when the first baffle plate 31 and the second baffle plate 32 do not abut against each other, the distance between the notch of the first baffle plate 31 and the notch of the second baffle plate 32 can be adjusted, and the distance between the two notches and the size of the hollow structure 34 can be set according to the range within which the photographing device 4 needs to move when the visual inspection apparatus is installed. Hollow 34 matches each other with the shooting device 4 of visual inspection equipment, the shape of preferred hollow 34 is the crossing public part of two circles, can shelter from more illumination that follow second opening 22 and jet out, and when shooting device 4 needs to remove, baffle 3 and shooting device 4 do not butt, when shooting device 4 need not remove, baffle 3 and shooting device 4 butt, hollow 34's shape and shooting device 4 area of contact are the biggest, can lock shooting device 4, guarantee stability, prevent that shooting device 4 from rocking.
Example two:
as shown in fig. 1 to 6, a visual inspection apparatus includes a light source device of the visual inspection apparatus in the first embodiment, and further includes a fixing structure 5, a shooting device 4 and a control device 6, the fixing structure 5 serves as a base frame of the visual inspection apparatus, the shooting device 4 is used for shooting a PCBA board on a working table, and the control device 6 is used for controlling the light source device, the shooting device 4 and other devices to work. The shooting device 4, the control device 6 and the fixing structure 5 are fixedly connected, and the stability of the visual detection equipment is guaranteed. The control device 6 is obliquely arranged and arranged on one side above the light source cover 2, so that the control device 6 has better heat dissipation performance, more compact structure and more sufficient space utilization. The visual inspection equipment further comprises a shell 8, wherein the shell 8 is arranged outside the fixed structure 5, and the shell 8 is used for protecting the light source device, the shooting device 4, the control device 6 and the fixed structure 5 and can be dustproof and waterproof. The control device 6 controls the light source device to work, a good working environment is provided for the shooting device 4, the shooting device 4 is controlled by the control device 6 to shoot the PCBA on the working table, the shooting result is transmitted to the display 7, and the PCBA is detected.
As an alternative embodiment, as shown in fig. 1, the fixing structure 5 includes a supporting member 52, the supporting member 52 is disposed at an upper end of the fixing structure 5, the supporting member 52 is disposed adjacent to the light source device, and is located obliquely above the light source device, and the control device 6 is fixedly connected to the fixing structure 5 through the supporting member 52. The support member 52 includes a support plate 521 and support legs 522, the support plate 521 is disposed obliquely, the support plate 521 is fixedly connected to the control device 6, a side baffle is disposed on the opposite side of the support plate 521 where there is no support leg 522, so as to be conveniently fixedly connected to the fixing structure 5, and a transverse baffle is disposed at the lower end of the support plate 521, so as to be conveniently fixedly connected to the fixing structure 5. The supporting legs 522 are vertically arranged, the supporting legs 522 are arranged on one side of the upper end of the supporting plate and are of an L-shaped structure, the supporting legs 522 can support the supporting plate 521, stability is guaranteed, and the supporting legs 522 are matched with the fixing structure 5.
As an alternative embodiment, as shown in fig. 1 and 5, the photographing device 4 includes a lens group 41 and a transmission group 42, the lens group 41 is used for photographing a PCBA board, and the transmission group 42 is used for moving the lens group 41. The lens group 41 and the transmission group 42 are fixedly connected, preferably, screwed, so as to ensure the stability of the photographing device 4. The lens group 41 is arranged inside the light source cover 2, so that the distance between the shooting device 4 and the working table surface is not far, and the space is fully utilized. The transmission group 42 can drive the lens group 41 to move, and can realize the forward and backward movement, the up and down movement and the rotation movement of the lens group 41, and the shooting device 4 has a locking structure, and can lock when the lens group 41 moves to a proper position, thereby ensuring the stability during shooting and improving the shooting quality.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A light source device of visual detection equipment is characterized by comprising a light source module and a light source cover; the light source module is arranged at the bottom in the light source cover; the light source module can produce illumination and shine the light source cover, the light source cover can be right illumination reflects, and throws to visual inspection equipment's table surface.
2. The light source device of claim 1, wherein the light source housing has an arc-shaped structure; the light source cover is provided with a first opening and a second opening; the first opening is arranged at the bottom of the light source cover; the second opening is arranged at the top of the light source cover and can be used for placing a shooting device of the visual detection equipment.
3. The light source device of the visual inspection equipment according to claim 2, wherein the bottom of the inner side of the light source cover is provided with a groove-shaped structure; the groove-shaped structure is matched with the light source module; the light source module is arranged in the groove-shaped structure of the light source cover.
4. The light source device of claim 3, wherein the height of the edge of the groove-shaped structure is higher than the height of the light source module, so as to prevent the light from the light source module from scattering or directly projecting onto the working table.
5. The light source device of claim 4, wherein the light source module comprises a plurality of bar light sources; the strip-shaped light source consists of a plurality of LED lamp beads;
the plurality of strip-shaped light sources are all arranged in the groove-shaped structure of the light source cover;
a plurality of heat dissipation holes are formed in the periphery of the bottom of the light source cover, and the heat dissipation holes are formed above the groove-shaped structure.
6. The light source device of claim 4, wherein the light source cover is connected to the fixing structure of the visual inspection apparatus by a connecting piece.
7. The light source device of a visual inspection apparatus of claim 1, further comprising a baffle; the baffle comprises a first baffle and a second baffle; the first baffle and the second baffle are oppositely arranged; the first baffle and the second baffle are provided with first strip holes;
the top of the light source cover is provided with a first mounting hole; the baffle is fixedly connected with the light source cover through the first strip hole and the first mounting hole; the first baffle and the second baffle can move mutually.
8. The light source device of the visual inspection equipment according to claim 7, wherein the first baffle plate and the second baffle plate are provided with arc-shaped notches, and when the first baffle plate and the second baffle plate abut against each other, the notches of the first baffle plate and the second baffle plate form a hollow structure; the hollow structure is matched with a shooting device of the visual detection equipment.
9. A visual inspection apparatus comprising the light source device of the visual inspection apparatus of any one of claims 1 to 8, further comprising a fixing structure, a photographing device, and a control device; the shooting device and the control device are fixedly connected with the fixed structure.
10. A visual inspection apparatus as claimed in claim 9, wherein the fixed structure includes a support; the supporting piece comprises a supporting plate and supporting legs; the supporting plate is obliquely arranged and is fixedly connected with the control device; the supporting legs are vertically arranged and arranged on one side of the upper end of the supporting plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122213528.5U CN215833292U (en) | 2021-09-13 | 2021-09-13 | Light source device of visual detection equipment and visual detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122213528.5U CN215833292U (en) | 2021-09-13 | 2021-09-13 | Light source device of visual detection equipment and visual detection equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115508368A (en) * | 2022-11-18 | 2022-12-23 | 锦瑞信息科技(南通)有限公司 | Visual detection natural light source assembly for liquid crystal display panel processing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115508368A (en) * | 2022-11-18 | 2022-12-23 | 锦瑞信息科技(南通)有限公司 | Visual detection natural light source assembly for liquid crystal display panel processing |
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