CN217821212U

CN217821212U - Micro-image light source lamp with light supplementing function

Info

Publication number: CN217821212U
Application number: CN202221789856.8U
Authority: CN
Inventors: 谭玉琳; 戴名文
Original assignee: Wuhan Leiter Testing Technology Co ltd
Current assignee: Wuhan Leiter Testing Technology Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-11-15
Anticipated expiration: 2032-07-13

Abstract

The utility model provides a micro-shadow light source lamp with light filling function belongs to light source technical field. The device includes the shell, the lithograph light source subassembly, the tonifying plate, collecting lens and astigmatism piece, the shell is four directions frustum structure, and the opening that link up mutually with the inner chamber is all seted up to top and bottom, the lithograph light source subassembly annular sets up in the top inner wall of shell, the lithograph light source subassembly includes circuit board and LED lamp, LED lamp equidistance array sets up in the below of circuit board, the inner wall that is fixed in the shell is pasted to the tonifying plate, the collecting lens sets up in the inside of shell, and be located the below of LED lamp, the cross-section of collecting lens is trapezoidal, the astigmatism piece is embedded in the bottom of shell, the bottom of astigmatism piece is the arc, realized the hi-lite when the compatible various big or small different fields of vision of this light source lamp, the diffusion illumination of high homogeneity, the installation is simple to use.

Description

Micro-image light source lamp with light supplementing function

Technical Field

The utility model relates to an illumination light source technical field particularly, relates to a micro-shadow light source lamp with light filling function.

Background

An industrial camera is a key component in a machine vision system, the most essential function of the industrial camera is to convert a light signal into an ordered electrical signal, and a light source is an important factor influencing the image quality of the machine vision system, because the light source directly influences the quality of input data, the light source plays a critical role in the whole machine vision system, and currently, no general machine vision lighting device exists, so that a proper lighting device is designed for each specific case to achieve the best effect. The lighting source of traditional industry camera adopts "bowl light", is hemisphere type light emitting area mostly, and the field of vision is little, luminance is not enough, need match other light filling light sources at industry camera detected signal acquisition in-process, for loaded down with trivial details, use cost is higher.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides a pair of little shadow light source lamp with light filling function has realized the diffusion illumination of hi-lite, high homogeneity when compatible various big or small difference fields of vision, installs simple to use.

The utility model discloses a realize like this:

the utility model provides a lithograph light source lamp with light filling function, includes shell, lithograph light source subassembly, tonifying bare board, condenser lens and astigmatism piece, the shell is four directions frustum structure, and top and bottom all set up the opening that link up mutually with the inner chamber, lithograph light source subassembly annular set up in the top inner wall of shell, lithograph light source subassembly includes circuit board and LED lamp, LED lamp equidistance array set up in the below of circuit board, tonifying bare board paste be fixed in the inner wall of shell, condenser lens set up in the inside of shell, and be located the below of LED lamp, condenser lens's cross-section is trapezoidal, astigmatism piece embedded in the bottom of shell, the bottom of astigmatism piece is the arc.

The utility model discloses an in an embodiment, the top of circuit board is provided with the conducting strip, the top of conducting strip with the top inner wall fixed connection of shell, LED lamp electric property is inserted and is located on the circuit board.

The utility model discloses an in the embodiment, one side of shell is provided with threading interface, and the power supply line runs through behind the threading interface with the input electric connection of circuit board.

The utility model discloses an in one embodiment, the top symmetry of condensing lens piece is provided with two regulation seats, the top of adjusting the seat is provided with the regulation pole, adjust the pole with the roof screw-thread fit of shell, the inside of adjusting the seat is provided with the ring channel, the bottom of adjusting the pole is provided with the rand, the rand embedded in the inside of ring channel, and both clearance fit.

The utility model discloses an in one embodiment, the top of adjusting the pole is run through be provided with the rotating ring behind the roof of shell, the middle part of adjusting the pole is provided with spacing piece, one side of spacing piece with the inner wall butt of shell.

In an embodiment of the present invention, the bottom inner side of the housing is provided with a limit table, and the top of the light diffuser is abutted against one side of the limit table.

In an embodiment of the present invention, the four sides of the housing are provided with fixing bolts, and the fixing bolts penetrate through the side wall of the housing and are connected to the light-diffusing sheet by screw threads.

In an embodiment of the present invention, the material of the housing is aluminum material, the light compensating plate is white polystyrene board, and the light diffusing plate is made of transparent glass material.

The utility model discloses an above-mentioned design obtains a lithography light source lamp with light filling function, and its beneficial effect is: the light brightness of the microlithography light source assembly annularly arranged in the device is high, the microlithography light source assembly is more uniform and soft, the influence of concave-convex reflection on the surface of a measured object on image acquisition of an industrial camera is effectively eliminated, the size and the color of the microlithography light source assembly can be customized according to requirements, and high-brightness and high-uniformity diffusion illumination is realized while the microlithography light source assembly is compatible with various fields of view with different sizes; the light filling board adopts white polyphenyl board to make light source luminance promote and polish more evenly, condenser lens compensaties that light source luminance is not enough, make light concentrate more, the light that the lithography light source subassembly produced is sent the back and is beaten on the measured object by the even of astigmatic piece after gathering by condenser lens again, and simultaneously, condenser lens disposes adjusting device, can adjust condenser lens's high position according to actual conditions, make light satisfy industrial camera data acquisition's accuracy requirement, the device simple structure is practical, the production cost of manufacture is low, installation convenient to use, and the range of application is extensive.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings which are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.

Fig. 1 is a schematic top view of a photolithography light source lamp with a light supplement function according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a photolithography light source lamp with a light supplement function according to an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

in the figure: 101. a housing; 1011. a limiting table; 1012. fixing the bolt; 1013. a threading interface; 102. a lithographic light source assembly; 1021. a circuit board; 1022. a heat conductive sheet; 1023. an LED lamp; 103. a light supplementing plate; 104. a condenser lens; 1041. an adjusting seat; 1042. an annular groove; 1043. adjusting a rod; 1044. a collar; 1045. a rotating ring; 1046. a limiting sheet; 105. a light-diffusing sheet.

Detailed Description

To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do 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 should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a kind of lithography light source lamp with light filling function, the light source lamp is set up between the industrial camera and measured object, including outer casing 101, lithography light source assembly 102, light filling board 103, condenser lens 104 and astigmatism piece 105, the outer casing 101 presents the structure of square frustum, and the top and bottom have opening communicated with cavity, the industrial camera is set up above the outer casing 101, gather the image information of the measured object through the up and down through structure of the outer casing 101, the lithography light source assembly 102 is set up in the top inboard wall of the outer casing 101 annularly, the lithography light source assembly 102 includes circuit board 1021 and LED lamp 1023, LED lamp 1023 equidistant array is set up below circuit board 1021, the lithography light source assembly 102 is used for sending the high-luminance light, make the light hit the measured object from every angle through the annular arrangement, reduce the unsmooth reflection of light shadow of object surface, light filling board 103 pastes the inner wall that is fixed in shell 101, light filling board 103 surface is bright and clean, promote light luminance and more even, condensing lens 104 sets up in the inside of shell 101, and be located the below of LED lamp 1023, condensing lens 104's cross-section is trapezoidal, condensing lens 104 and the corresponding department of LED lamp 1023 are the hypotenuse, the light gathering that LED lamp 1023 through the hypotenuse structure messenger different angles sent, make light more concentrate, compensate light source luminance, the light diffuser 105 is embedded in the bottom of shell 101, the bottom of light diffuser 105 is the arc, light diffuser 105 is by optical glass, quartz glass, materials such as alkali metal halide crystal are made, it is more even to make the light beam take place the dispersion.

As an embodiment of the utility model, furtherly, circuit board 1021's top is provided with conducting strip 1022, conducting strip 1022's top and shell 101's top inner wall fixed connection, LED lamp 1023 electrical property is inserted and is located on circuit board 1021, conducting strip 1022 adopts the graphite material, scatter and disappear in the heat conduction that circuit board 1021 produced at work, improve lithography light source subassembly 102's radiating effect, improve light source lamp's life, LED lamp 1023 adopts the form of plug-in components soldering to be connected to on circuit board 1021, high durability and convenient installation, circuit board 1021 provides power and control signal for LED lamp 1023.

As an embodiment of the present invention, further, one side of the housing 101 is provided with a wire interface 1013, and the power supply line runs through the wire interface 1013 and then is electrically connected to the input of the circuit board 1021, and the wire interface 1013 facilitates the connection of the circuit board 1021.

As an embodiment of the utility model, it is further, the top symmetry of condenser lens 104 is provided with two regulation seats 1041, the top of adjusting seat 1041 is provided with adjusts pole 1043, adjust the roof screw-thread fit of pole 1043 and shell 101, adjust pole 1043 through rotating, it reciprocates to realize adjusting seat 1041 and driving condenser lens 104, the inside of adjusting seat 1041 is provided with ring channel 1042, the bottom of adjusting pole 1043 is provided with rand 1044, rand 1044 is embedded in the inside of ring channel 1042, and both clearance fit, rand 1044 makes with ring channel 1042 cooperation adjust pole 1043 and does not drive when rotating and adjust seat 1041 rotatory, nevertheless enable to adjust seat 1041 and follow and reciprocate, be provided with swivel ring 1045 after the roof of shell 101 is run through on the top of adjusting pole 1043, the middle part of adjusting pole 1043 is provided with spacing piece 1046, one side of spacing piece 1046 and the inner wall butt of shell 101, swivel ring 1045 makes things convenient for the staff to operate, spacing piece 1046 is used for restricting the highest position that condenser lens 104 moves up, prevent it from colliding with LED lamp 1023, the regulation of spotlight 104 height, thereby make the circumstances of gathering angle change, the adaptation distance of the volume, the object of the detection of the dispersion.

As an embodiment of the utility model discloses a, furtherly, the bottom inboard of shell 101 is provided with spacing platform 1011, the top of astigmatism piece 105 and one side butt of spacing platform 1011, and spacing platform 1011 is used for restricting the mounted position of astigmatism piece 105, easy to assemble.

As an embodiment of the present invention, further, the four sides of the housing 101 are provided with fixing bolts 1012, the fixing bolts 1012 penetrate through the side wall of the housing 101 and are connected with the light diffuser 105 by threads, and the fixing bolts 1012 connect the light diffuser 105 and the housing 101 into a whole.

As an embodiment of the utility model, it is further, the material of shell 101 is the aluminum product, the aluminum product outward appearance is good, the quality is light, but machinability, physics and mechanical properties are good, and the corrosion resistance is strong, play good guard action to the inner structure, light filling board 103 adopts white polyphenyl board, the big light in weight of polyphenyl board area, the reverberation is even, soft, reflection intensity is big, it is more even to make light luminance promote and the dispersion, astigmatism piece 105 adopts the clear glass material, the clear material does not influence the image acquisition of industrial camera, play better light diffusion effect simultaneously.

Specifically, the working principle of the photolithography light source lamp with the light supplement function is as follows: the light source lamp is fixedly installed between an industrial camera and a measured object, a power supply line of the circuit board 1021 is connected, the LED lamp 1023 is started, light emitted by the LED lamp is collected after being refracted by an inclined plane of the condenser lens 104, meanwhile, the brightness of the scattered light is improved by the white light supplement plate 103 laid on the inner wall of the shell 101, finally, the gathered light is uniformly projected to the surface of the measured object by the light diffuser 105, then the rotating ring 1045 is manually rotated, the thread matching position of the adjusting rod 1043 and the shell 101 is adjusted, therefore, the condenser lens 104 is moved up and down, the height of the condenser lens 104 is adjusted, and the influence of light shadow generated by the surface unevenness of the measured object on the identification precision of the industrial camera is reduced as much as possible.

It should be noted that the specific model specifications of the circuit board 1021 and the LED lamp 1023 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.

It should be noted that the power supply of the circuit board 1021 and the LED lamp 1023 and the principle thereof are clear to those skilled in the art, and will not be described in detail here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a lithography light source lamp with light filling function, its characterized in that, includes shell (101), lithography light source subassembly (102), light filling board (103), condenser lens (104) and astigmatism piece (105), shell (101) are four directions frustum structure, and top and bottom all set up the opening that link up mutually with the inner chamber, lithography light source subassembly (102) annular set up in the top inner wall of shell (101), lithography light source subassembly (102) include circuit board (1021) and LED lamp (1023), LED lamp (1023) equidistance array set up in the below of circuit board (1021), astigmatism piece (103) paste be fixed in the inner wall of shell (101), condenser lens (104) set up in the inside of shell (101), and be located the below of LED lamp (1023), the cross-section of condenser lens (104) is trapezoidal, astigmatism piece (105) are embedded in the bottom of shell (101), the bottom of astigmatism piece (105) is the arc.

2. The light source lamp for lithography with a fill-in light function as claimed in claim 1, wherein a heat conducting sheet (1022) is disposed above the circuit board (1021), a top of the heat conducting sheet (1022) is fixedly connected to an inner wall of a top of the housing (101), and the LED lamp (1023) is electrically inserted into the circuit board (1021).

3. The lamp as claimed in claim 1, wherein a threading interface (1013) is disposed on one side of the housing (101), and a power supply line penetrates through the threading interface (1013) and is electrically connected to the input end of the circuit board (1021).

4. The light source lamp for lithography according to claim 1, wherein two adjusting bases (1041) are symmetrically disposed on a top of the condensing lens (104), an adjusting rod (1043) is disposed on a top of the adjusting base (1041), the adjusting rod (1043) is in threaded fit with a top plate of the housing (101), an annular groove (1042) is disposed inside the adjusting base (1041), a collar (1044) is disposed at a bottom end of the adjusting rod (1043), and the collar (1044) is embedded in the annular groove (1042) and is in clearance fit with the annular groove.

5. The light source lamp for lithography according to claim 4, wherein a rotating ring (1045) is disposed at the top end of the adjusting rod (1043) after penetrating through the top plate of the housing (101), a limiting plate (1046) is disposed at the middle of the adjusting rod (1043), and one side of the limiting plate (1046) abuts against the inner wall of the housing (101).

6. The lamp as claimed in claim 1, wherein a position-limiting platform (1011) is disposed inside a bottom of the housing (101), and a top of the light-diffusing sheet (105) abuts against a side of the position-limiting platform (1011).

7. The lamp as claimed in claim 1, wherein fixing bolts (1012) are disposed on the outer sides of four sides of the housing (101), and the fixing bolts (1012) penetrate through the sidewall of the housing (101) and are then screwed to the diffuser (105).

8. A lamp as claimed in claim 1, wherein the housing (101) is made of aluminum, the light compensating plate (103) is made of white polystyrene board, and the light diffuser plate (105) is made of transparent glass.