CN218413163U

CN218413163U - Combined light source

Info

Publication number: CN218413163U
Application number: CN202222928192.5U
Authority: CN
Inventors: 沈文亮
Original assignee: Dongguan Ruishi Optoelectronics Technology Co Ltd
Current assignee: Dongguan Ruishi Optoelectronics Technology Co Ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-01-31
Anticipated expiration: 2032-11-03

Abstract

The utility model provides a combined light source, it includes the casing, first light source subassembly, second light source subassembly and adjusting part, first light source subassembly includes the arch board, be located the below of arch board and arrange into a plurality of first luminescence unit of two rows, the second light source subassembly includes the body, be fixed in the second luminescence unit of body, the diffuser plate, the arch board is including corresponding the first trompil of line camera sweep and the second trompil that corresponds light-emitting window, the internal surface of arch board is equipped with the reflector layer, the light that first luminescence unit sent passes the reflector layer forms the reverberation, the light that the second luminescence unit sent passes the diffuser plate, form the combined light with the reverberation behind the second trompil, adjusting part includes first rotation axis, the cover locates the first bearing and the first electromagnetic brake stopper of first rotation axis, adjusting part still includes the second rotation axis, the second bearing and the second electromagnetic brake stopper of second rotation axis are located to the cover. The utility model provides the high light efficiency, and easy operation.

Description

Combined light source

Technical Field

The utility model relates to a machine vision light source detects technical field, concretely relates to combination light source.

Background

The application of light source design in machine vision technology for detection is a widely accepted technical means. The design of the light source often needs to be determined according to the scene of the product line. Meanwhile, the light source design also needs to consider the light utilization efficiency and the use stability of the light source.

The existing method for detecting samples such as silk-screen icons on a transparent film generally adopts a tunnel light source device to be matched with a line scanning camera for detection. However, the conventional tunnel detection light source device has the problems that the illumination effect is not good, and the detection precision is not ideal. The technical scheme is that a linear light source is matched with a tunnel light source, but the angle of the linear light source is adjusted by screwing a screw in the related technology, so that the operation is inconvenient, and the detection efficiency is low.

Therefore, there is a need to provide a new combined light source to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims to provide a can improve light source luminance and easy operation's combination light source.

In order to achieve the above object, the utility model provides a combined light source, it includes the casing and is fixed in the first light source subassembly, the second light source subassembly and the steerable of casing the second light source subassembly rotates, the adjusting part that stops, first light source subassembly includes opening arch board down, is located the below of arch board and a plurality of first luminescence units of arranging into two rows, the second light source subassembly is including the body that has light-emitting window, be fixed in the second luminescence unit of body, set up in the diffuser plate of light-emitting window, the arch board is including corresponding the first trompil of line camera and corresponding the second trompil of light-emitting window, the internal surface of arch board is equipped with the reflector layer, the light that first luminescence unit sent passes through the reflector layer forms the reverberation, the light that the second luminescence unit sent passes the diffuser plate with the reverberation forms the combination light, the adjusting part is including being fixed in the first rotation axis, the cover of the one end of second light source subassembly are located the first rotation axis and the first electromagnetic brake stopper of first rotation axis, the adjusting part is still including being fixed in the second rotation axis, the second rotation axis cover is located the second rotation axis and the electromagnetic brake stopper of second rotation axis and the electromagnetic brake stopper.

Preferably, the housing includes a first cover plate and a second cover plate which are arranged in parallel, and the first light source assembly and the second light source assembly are both fixed between the first cover plate and the second cover plate.

Preferably, the second light source assembly includes a first side cover corresponding to the first cover plate and a second side cover corresponding to the second cover plate, and the first and second electromagnetic brake actuators are commonly connected to an external power source.

Preferably, the adjusting assembly further includes a dial sleeved on the first rotating shaft, and a pointer and a handle assembled on the first rotating shaft.

Preferably, one end of the first rotating shaft is fixed to the first side cover, and the other end of the first rotating shaft sequentially penetrates through the first bearing, the first cover plate, the first electromagnetic brake and the dial.

Preferably, one end of the second rotating shaft is fixed to the second side cover, and the other end of the second rotating shaft sequentially passes through the second bearing, the second cover plate and the second electromagnetic brake.

Preferably, the first light-emitting unit comprises a first light plate, a heat conduction copper pipe supporting the first light plate and a copper pipe radiator connected with the heat conduction copper pipe, the copper pipe radiator comprises a plurality of radiating fins exposed outside the arched plate, and the first light plate is provided with a plurality of LED lamp beads.

Preferably, the second light emitting unit comprises a plurality of second light plates arranged in a row, a light collecting rod, a radiator and a plurality of fans, and the second light plates are provided with a plurality of LED lamps arranged in a row.

Preferably, the light-gathering rod is clamped between the first side cover and the second side cover.

Preferably, the heat sink is fixed to the second optical plate by a heat conductive copper pillar, and the heat sink includes a plurality of heat dissipation fins exposed to the outside.

The utility model relates to a combination light source has improved the light efficiency through the cooperation of first light source subassembly, second light source subassembly to improve and detect the precision, and adopt the electromagnetic brake stopper to adjust the luminous angle of second light source subassembly, easy operation improves efficiency of software testing.

Drawings

Fig. 1 is a three-dimensional combination view of a combination light source according to the present invention;

FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a perspective view of the second light source assembly, the adjusting assembly and the housing of the present invention.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1 and fig. 2, the present invention provides a combined light source 100, which includes a housing 1, a first light source assembly 2 fixed to the housing 1, a second light source assembly 3, and an adjusting assembly 4 capable of controlling the second light source assembly 3 to rotate and stop.

The housing 1 includes a first cover plate 11 and a second cover plate 12 arranged in parallel. The first light source assembly 2 and the second light source assembly 3 are both fixed between the first cover plate 11 and the second cover plate 12.

In the present embodiment, the first light source assembly 2 is a tunnel light source, and the second light source assembly 3 is a line light source.

The first light source assembly 2 includes a dome plate 21 having a downward opening, and first light emitting units 22 arranged in two rows below the dome plate 21. The first light emitting unit 22 includes a first optical plate 221, a heat conductive copper pipe 222 supporting the first optical plate 221, and a copper pipe heat sink 223 connected to the heat conductive copper pipe 222. The copper tube heat sink 223 includes a number of fins 2231 exposed to the exterior of the dome plate 21. The first light plate 221 is provided with a plurality of LED lamp beads.

The first light source assembly 2 further includes a base plate 23 supporting the first light emitting unit 22 and a support plate 24 positioned between the dome plate 21 and the first light emitting unit 22. The number of the bottom plates 23 and the support plates 24 is 2.

The inner surface of the arch plate 21 is provided with a reflective layer 213, and specifically, the reflective layer 213 is reflective paint. The light emitted from the first light emitting unit 22 passes through the reflective layer 213 to form a reflected light, and the reflected light can be irradiated onto the object to be measured.

The second light source assembly 3 includes a body 31 having a light emitting window 310, a second light emitting unit 32 fixed to the body 31, and a diffusion plate 33 disposed at the light emitting window 310. The second light emitting unit 32 includes a plurality of second light plates 321 arranged in a row, a light collecting rod 322, a heat sink 323, and a plurality of fans 324. The second light plate 321 is provided with a plurality of LED lamp beads arranged in a row, and the light gathering rod 322 is located between the second light plates 321 and the diffusion plate 33. The heat sink 323 includes a plurality of heat radiating fins 3231 exposed to the outside. The heat sink 323 may be secured to the second optical plate 321 by thermally conductive copper posts.

The second light source module 3 further includes a diffusion film 34 attached to an inner surface of the diffusion plate 33. The diffusion film 34 can effectively improve the uniformity of light.

The light emitted from the second light emitting unit 32 passes through the diffusion plate 33 and is then radiated.

The arched plate 21 includes a first opening 211 and a second opening 212 on two sides of the arched plate, wherein the first opening 211 corresponds to the line scan camera, and the second opening 212 corresponds to the light emitting window 310 of the second light source module 3.

When detecting, the object to be detected is placed under the arch plate 21, and light emitted by the first light-emitting unit 22 forms reflected light through the reflective layer 213 and then forms combined light with light of the second light-emitting unit 32 passing through the second opening 212. Through the design, the first light source component 2 and the second light source component 3 form a combined light source, the brightness is increased, and the detection precision is improved.

The body 31 includes a front cover 311, a rear cover 312, a first side cover 313, and a second side cover 314. The first side cover 313 is disposed corresponding to the first cover plate 11, and the second side cover 314 is disposed corresponding to the second cover plate 12.

The light-gathering rod 322 is clamped and fixed between the first side cover 313 and the second side cover 314.

The adjusting assembly 4 includes a first adjusting assembly 41 and a second adjusting assembly 42 assembled to both ends of the second light source assembly 3.

The first adjusting assembly 41 includes a first rotating shaft 411 fixed at one end of the second light source assembly 3, a first bearing 412 sleeved on the first rotating shaft 411, and a first electromagnetic brake 413. One end of the first rotating shaft 411 is fixed to the first side cover 313 by a screw, and the other end of the first rotating shaft 411 passes through the first bearing 412, the first cover plate 11, the first electromagnetic brake 413, and the dial 414 in this order.

The first adjustment assembly 41 further includes a dial 414 sleeved on the first rotation shaft 411, a pointer 415 fixed on the first rotation shaft 411, and a handle 416.

The second adjusting assembly 42 includes a second rotating shaft 421 fixed at the other end of the second light source assembly 3, a second bearing 422 sleeved on the second rotating shaft 421, and a second electromagnetic brake 423, and the second electromagnetic brake 423 is electrically connected to the first electromagnetic brake 413. One end of the second rotation shaft 421 is fixed to the second side cover 314 by a screw, and the other end of the second rotation shaft 421 passes through the second bearing 422, the second cover plate 12, and the second electromagnetic brake 423 in sequence.

When the electromagnetic brake is powered on, the first electromagnetic brake 413 and the second electromagnetic brake 423 are demagnetized, and at this time, the handle 416 is operated to rotate the first rotating shaft 411 to drive the second light source assembly 3 to rotate, so as to adjust the optimal light emitting angle of the second light source assembly 3; after the light-emitting angle is adjusted, the power supply is cut off, the first electromagnetic brake 413 and the second electromagnetic brake 423 have magnetism, and the second light source assembly 3 is fixed. The dial 414, pointer 415 facilitate recording angles and more accurate adjustment angles.

To sum up, the utility model relates to a combination light source has improved the light efficiency through the cooperation of first light source subassembly, second light source subassembly to improve and detect the precision, and adopt electromagnetic brake stopper to adjust the luminous angle of second light source subassembly, easy operation improves efficiency of software testing.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. The utility model provides a combined light source, its includes the casing and is fixed in the first light source subassembly of casing, second light source subassembly and steerable the second light source subassembly rotates, the adjusting part who stops, its characterized in that, first light source subassembly includes opening arch board down, is located the below of arch board and a plurality of first luminescence units of arranging into two rows, the second light source subassembly is including the body that has light-emitting window, be fixed in the second luminescence unit of body, set up in the diffuser plate of light-emitting window, the arch board including correspond the first trompil of line camera and correspond the second trompil of light-emitting window, the internal surface of arch board is equipped with the reflector layer, the light that first luminescence unit sent passes through the reflector layer forms the reverberation, the light that second luminescence unit sent passes the diffuser plate behind the second trompil with the reverberation forms the combination light, the adjusting part is including being fixed in the first rotation axis of one end of second light source subassembly, cover are located the first bearing and the first electromagnetic brake of first rotation axis, the adjusting part is still including being fixed in the second rotation axis of second rotation axis, cover are located the second electromagnetic brake and the electromagnetic brake of second rotation axis and the electromagnetic brake.

2. The combination light source of claim 1, wherein the housing comprises a first cover plate and a second cover plate arranged in parallel, and the first light source assembly and the second light source assembly are both fixed between the first cover plate and the second cover plate.

3. The combined light source of claim 2, wherein the second light source assembly comprises a first side cover corresponding to the first cover plate and a second side cover corresponding to the second cover plate, and the first electromagnetic brake and the second electromagnetic brake are commonly connected to an external power source.

4. The combination light source of claim 3, wherein the adjusting assembly further comprises a dial sleeved on the first rotating shaft and a pointer and a handle assembled on the first rotating shaft.

5. The combination light source of claim 4, wherein one end of the first rotating shaft is fixed to the first side cover, and the other end of the first rotating shaft passes through the first bearing, the first cover plate, the first electromagnetic brake, and the dial in sequence.

6. The combined light source of claim 5, wherein one end of the second rotating shaft is fixed to the second side cover, and the other end of the second rotating shaft passes through the second bearing, the second cover plate and the second electromagnetic brake in sequence.

7. The combination light source of claim 6, wherein the first light emitting unit comprises a first light plate, a copper heat pipe supporting the first light plate, and a copper pipe heat sink connected to the copper heat pipe, the copper pipe heat sink comprises a plurality of heat dissipation fins exposed to the outside of the arched plate, and the first light plate is provided with a plurality of LED lamp beads.

8. The combination of claim 7, wherein the second light emitting unit comprises a plurality of second light panels arranged in a row, a light collecting rod, a heat sink and a plurality of fans, and the second light panels are provided with a plurality of LED lamps arranged in a row.

9. The combination light source of claim 8, wherein said light rod is sandwiched between said first side cover and said second side cover.

10. A combination light source according to claim 9 wherein the heat sink is secured to the second light panel by thermally conductive copper posts, the heat sink comprising externally exposed fins.