CN202927627U

CN202927627U - Light source projection device for optical image detection device

Info

Publication number: CN202927627U
Application number: CN 201220417040
Authority: CN
Inventors: 张家齐
Original assignee: ISUN TEK CO Ltd
Current assignee: ISUN TEK CO Ltd
Priority date: 2012-08-21
Filing date: 2012-08-21
Publication date: 2013-05-08
Anticipated expiration: 2022-08-21

Abstract

The utility model provides a light source projection device for an optical image detection device. The light source projection device for the optical image detection device comprises a plurality of ring seats with the same center of a circle and different diameters, wherein, the ring seats are formed in a lamp plate. Light emitting diode (LED) bulbs are arranged in a ring on each ring seat. Each ring seat is provided with an annular upper surface inclining to a center axis of a plate face. The inclined annular upper surfaces of each inner ring seat and each outer ring seat are connected through an annular edge face. The LED bulbs on each ring seat are in multiphase start and stop. Lightness, darkness and lighting intensity of each phase and the LED bulbs in each ring seat can be adjusted independently. The light source projection device for the optical image detection device can concentrate light source and focus on a to-be-detected object and be started and stopped in a multiphase mode, and therefore the light source can be effectively used in the process of detection.

Description

A kind of light source projection device of optical image detection equipment

Technical field

The utility model relates to a kind of light source projection device, particularly relates to a kind of light source projection device of optical image detection equipment.

Background technology

The traditional detection mode adopts manpower to measure one by one the size at each position of object with measurer, because speed and accuracy are difficult to obtain, in today of scientific and technological progress, replace gradually the measurement of manpower with the precision instrument of Quadratic Finite Element, three-D, and being applied in of optical image is used in scientific and technological industry in recent years especially widely, for example thickly dotted circuit and electronics unit's jack size and distance on accurate circuit board, due to relate in a large number, electronic building brick plug-in unit processing fast and accurately, the science and technology of optical image is progressively adopted in the grasp of its accuracy in measurement.

these optical image detection equipments possess the workbench flat board that the glass with light-permeable consists of usually, and throw being provided with the workpiece for measurement that projection source can be opposite on the workbench flat board above the workbench flat board, and by light microscope, object under test is carried out the imaging of high magnification optical amplifier, object image after amplifying through the CCD camera system is sent into computer and is calculated, seeing through simultaneously software manifests image via display, and the operator also can be via the picture that presents on computer and display, carry out the adjustment of light source and detect profile and the surface configuration of various complex work, size, angle, the position.

And these optical image detection equipments are because adopt projection source to throw, light source is heat mirror sheet, set of lenses, workbench flat board, speculum, projection screen etc. after filtration, with object under test profile or surface after amplifying and be projected on translucent projection screen, usually must adjust focal distance extremely suitable between object under test and projection lens, make extremely the most clearly situation of projection screen; Therefore the focusing of light-source brightness and adjustable, it is very important allowing these optical image detection equipments select the most suitable intensity of light source, intensity, angle, scope under various light condition.

The utility model content

The technical problem that the utility model mainly solves is to provide the light source projection device that a kind of multiple light sources that allows optical image detection equipment can be concentrated the optical image detection equipment of focusing.

For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: form most with one heart on the card of a lamp panel but the ring seat of different-diameter, being provided with fixing hole in the middle of the card of lamp panel can directly be fastened on camera lens, and each ring seat is provided with annular LED bulb; Each ring seat has a ring-type upper surface that tilts to the card central axis, and between the ring-type upper surface that inside and outside two ring seats tilt, mat one annular rim face is connected with, and the LED bulb on each ring seat forms can heterogeneous switch.

Another technical problem that will solve of the utility model, be to provide a kind of most light sources of optical image detection equipment that allow and control open and close by heterogeneous quilt, make the light source projection device of the effective optical image detection equipment that be used of light source energy in testing process.

For solving the above-mentioned technical problem that another will solve, the technical scheme that the utility model adopts is: form most with one heart on the card of a lamp panel but the ring seat of different-diameter, being provided with fixing hole in the middle of the card of lamp panel can directly be fastened on camera lens, and each ring seat is provided with annular LED bulb; LED bulb on each ring seat forms can heterogeneous switch; By circuit and programming make each mutually, the LED bulb of each ring seat intensity that can independently regulate bright dark and illumination.

The beneficial effects of the utility model are: because each LED bulb all is located on ring seat ring-type upper surface, in the situation that each LED bulb is not wrapped by, except the intensity of light source is not blocked, each ring seat ring-type upper surface to the card central axis tilt, on each ring seat the axis of LED bulb common converge penetrate concentrate on a focus, and the spacing that heals between its LED bulb ora terminalis of circlet seat and determinand of diameter shorter, can make the irradiation of light source that working substance to be measured is done fully to focus on; And each can independently regulate mutually the intensity of bright dark and illumination each ring, will help to detect the execution of operation.

Description of drawings

Fig. 1 is each ring seat LED bulb distribution schematic diagram on lamp panel in the utility model embodiment.

Fig. 2 is gradient that in the utility model embodiment, each ring seat and upper LED bulb thereof are obliquely installed and the profile construction schematic diagram of LED bulb and determinand spacing.

Fig. 3 is the profile construction schematic diagram that in the utility model embodiment, on each ring seat, LED bulb axis focuses on.

Fig. 4 be in the utility model embodiment on lamp panel the LED bulb respectively encircle the distribution schematic diagram of each phase.

Fig. 5 is the control circuit schematic diagram that in the utility model embodiment, the LED bulb respectively encircles each phase.

Fig. 6 is the control circuit schematic diagram that in the utility model embodiment, Single Controller links two-phase.

Fig. 7 is the flow chart that in the utility model embodiment, surface source of light is regulated.

In accompanying drawing, the mark of each parts is as follows:

1, lamp panel; 11, LED bulb; 12, card; 13, ring seat; 14, fixing hole; 2, working substance to be measured; 3, processor; 31, controller; 32, controller; 33, controller; 34, controller; R1, first ring; R2, the second ring; R3, the 3rd ring; R4, Fourth Ring; R5, five rings; P1, first-phase; P2, second-phase; P3, third phase; P4, the 4th phase; P5, the 5th phase; P6, the 6th phase; P7, the 7th phase; P8, the 8th phase; θ 1, the first angle of release; θ 2, the second angle of release; θ 3, the 3rd angle of release; θ 4, the 4th angle of release; θ 5, the 5th angle of release; L1, the first spacing; L2, the second spacing; L3, the 3rd spacing; L4, the 4th spacing; L5, the 5th spacing; α 1, the first angle; α 2, the second angle; α 3, the 3rd angle; α 4, the 4th angle; α 5, the 5th angle; VO00, pin; VO02, pin; VO04, pin; VO06, pin; VO08, pin; R1P1, first ring first-phase; R2P1, the second ring first-phase; R3P1, the 3rd ring first-phase; R4P1, Fourth Ring first-phase; R5P1, five rings first-phase; SW-R1P1, switch; SW-R2P1, switch; SW-R3P1, switch; SW-R4P1, switch; SW-R4P1, switch; SW-R5P1, switch.

The specific embodiment

Preferred embodiment is described in detail to the utility model below in conjunction with accompanying drawing, thereby so that the advantage of utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model is made more explicit defining.

See also Fig. 1, the utility model embodiment utilizes 184 LED bulbs 11 to be located on a circular lamp panel 1 as the projecting lamp source, the diameter of this lamp panel 1 is about 16cm, and form five on the card 12 of lamp panel 1 with one heart but the ring seat 13 of different-diameter lay from small to large according to ring seat 13 diameter and be respectively first ring R1, the second ring R2, the 3rd ring R3, Fourth Ring R4, five rings R5; Be provided with the fixing hole 14 of a circle in the middle of the card 12 of lamp panel 1, it is about 3cm its diameter, and be provided with internal thread, and can directly be fastened on camera lens, these 184 LED bulbs 11 are welded on card 12, by card 12 centers Boulez outward, first ring R1 is provided with 16, and the second ring R2 is provided with 24, and the 3rd ring R3 is provided with 40, Fourth Ring R4 is provided with 48, and five rings R5 is provided with 56.

see also Fig. 2, each ring seat 13 has a ring-type upper surface 131 that tilts to card 12 central axis, each LED bulb 11 all is located on ring seat 13 ring-type upper surfaces 131, in the situation that each LED bulb 11 is not wrapped by, LED bulb 11 intensities of light source are not blocked, in, 131 mats one of ring-type upper surface that outer two ring seats 13 tilt are close to the annular rim face 132 of establishing that hangs down and are connected with, each ring seat 13 ring-type upper surface 131 has an angle that tilts to card 12 central axis, and the angle that each ring seat 13 ring-type upper surface 131 tilts is different through optimizing, diameter its ring-type upper surfaces 131 of circlet seat 13 of healing are larger with the angle of card 12 central axis, ring seat 13 diameters its ring-type upper surface of large person 131 of healing is less with the angle of card 12 central axis, i.e. first angle of release θ 1＞the second angle of release θ 2＞the 3rd angle of release θ 3＞the 4th angle of release θ 4＞the 5th angle of release θ 5.

On the other hand, each ring seat 13 ring-type upper surface 131 has different level heights, make ring seat 13 ring-type upper surfaces 131 carry establish LED bulb 11 after, the spacing that LED bulb 11 ora terminalis and determinand are 2, be that the heal spacing of 2 of circlet seat 13 its LED bulb 11 ora terminalis and determinands of diameter is shorter, the heal spacing of 2 of large ring seat 13 its LED bulb 11 ora terminalis and determinands of diameter is longer, i.e. the 5th spacing L5＞the 4th spacing L4＞the 3rd spacing L3＞second spacing L2＞first spacing L1.

see also Fig. 3, on the card 12 of described lamp panel 1, LED bulb 11 is by the inclined design of each ring seat 13 ring-type upper surfaces 131, on each ring seat 13, the axis of LED bulb 11 respectively forms the first angle α 1 with card 12 central axis, the second angle α 2, the 3rd angle α 3, the 4th angle α 4, the 5th angle α 5, wherein the heal angle of the axis of circlet seat 13 LED bulb 11 on it and card 12 central axis of diameter is less, the heal angle of the axis of large person LED bulb 11 on it and card 12 central axis of ring seat 13 diameters is larger, i.e. the 5th angle α 5＞the 4th angle α 4＞the 3rd angle α 3＞the second angle α 2＞the first angle α 1, on each ring seat 13, the common remittance of the axis of LED bulb 11 is penetrated and is concentrated on a focus S simultaneously.

See also Fig. 4, on card 12 each ring seats 13 of described lamp panel 1, LED bulb 11 all is divided into first-phase P1 to the eight phase P8, and each is adopted mutually at the circumference of 360 degree and does equal angular cutting apart, and the five rings is formed with 40 phases altogether; By circuit and programming make each mutually, the LED bulb 11 of each ring seat 13 intensity that can independently regulate bright dark and illumination, the first-phase P1 of bright first ring R1 only in the adjusting of brightness for example, or simultaneously bright first, second and third encircles the first-phase P1 of R1, R2, R3, or the P1 of bright first, second and third ring reaches the fourth, fifth P5 phase of encircling mutually simultaneously, or first-phase P1 to the eight phase P8 of bright first ring R1 of while and first-phase P1 to the eight phase P8 of Fourth Ring R4; Separately, for example on the intensity adjustment of illumination, in can be at the same time bright first, second and third ring R1, R2, the first-phase P1 of R3, make the first-phase P1 intensity of first and second ring R1, R2 higher, and the first-phase P1 intensity of the 3rd ring R3 is lower, the rest may be inferred, and each can independently regulate mutually the intensity of bright dark and illumination.

See also Fig. 5, described each can independently be regulated mutually the design of bright dark and intensity of illumination, be to control four

controllers

31,32,33,34 by a processor 3 on controlling, each

controller

31,32,33,34 respectively links a phase in both sides, namely

arbitrary controller

31,32,33,34 is controlled five rings (first ring R1 to the five rings R5) of two phases (for example first-phase P1 and second-phase P2) all simultaneously;

See also Fig. 6, take controller 31 as example, left side pin VO00, VO02, VO04, VO06, VO08 connect respectively control first ring first-phase R1P1, the second ring first-phase R2P1, the 3rd ring first-phase R3P1, Fourth Ring first-phase R4P1, five rings first-phase R5P1, carry out management and control with switch SW-R1P1, SW-R2P1, SW-R3P1, SW-R4P1, SW-R4P1, SW-R5P1 therebetween; In like manner to carry out the control of each ring in second-phase P2, does not hereby give unnecessary details on the right side of controller 31.

See also Fig. 7, on the flow process that light source is adjusted, at first when the surface source of light adjustment begins, first be confirmed whether the surface source of light that needs, if not need, the surface source of light adjustment is ends without performing; If need, select the light source of indivedual rings or phase, then adjust the intensity of light source of selected ring or phase, and the ring complete or the intensity of light source of phase are adjusted in locking, then be confirmed whether to adjust the intensity of light source of other ring or phase, if not need, the surface source of light adjustment namely finishes; If need, return the light source of selecting indivedual rings or phase, sequentially continue aforementioned manner and carry out and confirm, until all the full confirmation adjustment that respectively encircles each phase is all completed, adjusting operation that can the sign-off table area source.

The design of the utility model embodiment, because each LED bulb 11 all is located on ring seat 13 ring-type upper surfaces 131, in the situation that each LED bulb 11 is not wrapped by, except the intensity of light source is not blocked, each ring seat 13 ring-type upper surfaces 131 to card 12 central axis tilt, on each ring seat 13 axis of LED bulb 11 common converge penetrate concentrate on a focus S, and diameter circlet seat 13 its LED bulb 11 ora terminalis of healing shorter with the spacing of 2 of determinands, can make the irradiation of light source do fully focusing to working substance 2 to be measured; And each can independently regulate mutually the intensity of bright dark and illumination each ring, will help to detect the execution of operation.

The above is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in scope of patent protection of the present utility model.

Claims

1. the light source projection device of an optical image detection equipment, it is characterized in that: form most with one heart on the card of a lamp panel but the ring seat of different-diameter, being provided with fixing hole in the middle of the card of lamp panel can directly be fastened on camera lens, and each ring seat is provided with annular LED bulb; Each ring seat has a ring-type upper surface that tilts to the card central axis, and between the ring-type upper surface that inside and outside two ring seats tilt, mat one annular rim face is connected with, and the LED bulb on each ring seat forms can heterogeneous switch.

2. the light source projection device of a kind of optical image detection equipment according to claim 1, it is characterized in that: the angle that each ring seat ring-type upper surface tilts is different, the heal angle of circlet seat itself and card central axis of diameter is larger, and the heal angle of large person itself and card central axis of ring seat diameter is less.

3. the light source projection device of a kind of optical image detection equipment according to claim 1, it is characterized in that: each ring seat ring-type upper surface has different level heights, make ring seat carry establish the LED bulb after, spacing between LED bulb ora terminalis and determinand, be that the spacing that heals between its LED bulb ora terminalis of circlet seat and determinand of diameter is shorter, the spacing that diameter is healed between its LED bulb ora terminalis of large ring seat and determinand is longer.

4. the light source projection device of a kind of optical image detection equipment according to claim 1, it is characterized in that: on the card of described lamp panel, the axis of LED bulb respectively forms angle with the card central axis, the heal angle of the axis of LED bulb on the circlet seat and card central axis of diameter is less, the heal angle of the axis of large person LED bulb on it and card central axis of ring seat diameter is larger, simultaneously on each ring seat the axis of LED bulb common converge with penetrating concentrate on a focus.

5. the light source projection device of an optical image detection equipment, it is characterized in that: form most with one heart on the card of a lamp panel but the ring seat of different-diameter, being provided with fixing hole in the middle of the card of lamp panel can directly be fastened on camera lens, and each ring seat is provided with annular LED bulb; LED bulb on each ring seat forms can heterogeneous switch.

6. the light source projection device of according to claim 1 or 5 described a kind of optical image detection equipments, it is characterized in that: the card of described lamp panel is provided with five ring seats, on each ring seat, the LED bulb all is divided into first-phase to the eight phases, each is adopted mutually at the circumference of 360 degree and does equal angular cutting apart, and the five rings is formed with 40 phases altogether.

7. the light source projection device of according to claim 1 or 5 described a kind of optical image detection equipments, it is characterized in that: described each is to control a plurality of controllers by a processor on controlling, each links a phase each controller in both sides, namely arbitrary controller is controlled each ring of two phases all simultaneously.

8. the light source projection device of a kind of optical image detection equipment according to claim 7 is characterized in that: each pin of described controller left side connect respectively control that this side links mutually in each ring, carry out management and control with switch therebetween; The right side of controller in like manner carry out another mutually in each the ring control.

9. the light source projection device of according to claim 1 or 5 described a kind of optical image detection equipments, it is characterized in that: the LED bulb on described each ring seat is located at this on the ring-type upper surface of card central axis inclination, the LED bulb is not wrapped by, and its intensity of light source is not blocked.