The flash lamp for photography that contains combined lens board
(1), technical field: the utility model relates to a kind of flash lamp for photography, particularly relates to a kind of flash lamp for photography that contains combined lens board.
(2), background technology: large-scale news flash lamp for photography in the market has a variety of, and as halogen tungsten lamp, electricity-saving lamp, high-powered LED lamp, along with continuous progress in science and technology, the high-powered LED lamp flash lamp for photography is used more and more.The advantage of great power LED flash lamp for photography is: low in energy consumption, light efficiency is high, the life-span is long, arrangement property is strong, shortcoming is: the great power LED flash lamp for photography needs heat radiation, heating radiator will become big with the increase of LED luminotron quantity, and, increase along with LED luminotron quantity, the area of the lens board in LED luminotron the place ahead also increases thereupon, because lens board belongs to optical equipment, its processing technology thereof is complicated, the general less lens board of area is made and is easier to, when the size of lens board arrived to a certain degree greatly, processing was got up and is just compared difficulty, and processing cost increases greatly.In addition, because the characteristic of LED luminotron, want to make LED flash lamp for photography lamp all to have characteristic preferably at aspects such as illumination, range, irradiating angles, just require lens board to adopt the processing technology of optical grade, this makes the cost of making large-sized LED flash lamp for photography increase greatly.
(3), utility model content:
The technical problems to be solved in the utility model is: overcome the defective of prior art, provide a kind of and adopt polylith to divide lens board, make the flash lamp for photography that contains combined lens board simple, that cost is low.
The technical solution of the utility model:
A kind of flash lamp for photography that contains combined lens board, contain housing, the inside or the outside of housing are provided with heating radiator, housing is provided with the light emission window, housing contains the control circuit wiring board, the light source wiring board, output lead on the control circuit wiring board is electrically connected with input lead on the light source wiring board, N great power LED luminotron has been welded on the light source wiring board, the component side of light source wiring board is installed towards the light emission window, component side the place ahead of light source wiring board is provided with lens board, lens board is provided with N convex lens, N convex lens are corresponding mutually with the position of N great power LED luminotron, and lens board contains at least two branch lens boards, each minute lens board be arranged on the place ahead of the component side of light source wiring board in parallel or side by side, and each minute, lens board was similar in same plane, and N is the natural number more than or equal to 2.
Also be provided with reflector between light source wiring board and the branch lens board, reflector is provided with N the reflective pit to light source wiring board one side depression, the middle part of each reflective pit is equipped with a through hole, N through hole is corresponding mutually with the position of N great power LED luminotron, and the internal diameter of through hole is slightly larger than the external diameter of great power LED luminotron.
Light emission window place is equipped with astigmatism plate, and the material of astigmatism plate is a trnaslucent materials; Reflective pit is the reflective pit of cambered surface, or is the reflective pit of the conical surface.
The light source wiring board is an aluminum-based circuit board, and housing is provided with heating radiator outward, and the face bonding of aluminum-based circuit board is equipped with the great power LED luminotron, and the back side of aluminum-based circuit board is connected with housing.
Perhaps, the light source wiring board is an aluminum-based circuit board, and the housing internal fixation has heating radiator, and the face bonding of aluminum-based circuit board is equipped with the great power LED luminotron, and the back side of aluminum-based circuit board is connected with heating radiator, is positioned at the heating radiator place on the housing and is provided with heat radiation seam and louvre.
Reflector is connected with the light source wiring board by support column with the branch lens board, and astigmatism plate is installed on the housing.
Convex lens are biconvex lens, or are plano-convex lens, or are concave-convex lens; Dividing the material of lens board is transparent material; The material of reflector is an aluminium.
Dividing the number of lens board is two, or is three, or is four, or is five.
Housing is provided with the U-shaped support, the two ends of U-shaped support are connected with the both sides of housing by tightening knob, be provided with pad between the two ends of U-shaped support and the both sides of housing, U-shaped support and housing can take up solid knob, the bottom of U-shaped support is provided with fixedly arm, and fixedly the side of arm is provided with fixed knob.
The profile of housing is flat rectangular parallelepiped, and the light emission window is located on the face of flat rectangular parallelepiped.
The beneficial effects of the utility model:
1, lens board of the present utility model contains at least two branch lens boards, when the quantity of great power LED luminotron is a lot, can avoid the bigger lens board of usable floor area, and adopt the less branch lens board of polylith area to replace, reduce the manufacture difficulty of lens board greatly, reduced the cost of whole flash lamp for photography.
2, also be provided with reflector between light source wiring board of the present utility model and the branch lens board, reflector is provided with N reflective pit, and the middle part of each reflective pit is equipped with a through hole, and N through hole is with corresponding mutually with the position of N great power LED luminotron.The light of the dispersing reflection that reflective pit can send the great power LED luminotron is gathered together, and has optimized the light that the LED luminotron sends, and has increased illumination, the range of flash lamp for photography.
3, light emission window of the present utility model place is equipped with astigmatism plate, and astigmatism plate adopts trnaslucent materials to be made, and the light that flash lamp for photography is sent is more even like this.
(4), description of drawings:
Fig. 1 is the structural representation that contains the flash lamp for photography of combined lens board;
Fig. 2 is the backsight structural representation of Fig. 1;
Fig. 3 is the left TV structure synoptic diagram of Fig. 1;
Fig. 4 is one of structural representation when removing astigmatism plate among Fig. 1;
Structural representation when Fig. 5 divides lens board for removing all among Fig. 4;
Fig. 6 is the structural representation when removing reflector among Fig. 5;
Structural representation when Fig. 7 takes up angle of solid knob for housing and U type support;
Two of the structural representation of Fig. 8 when removing astigmatism plate among Fig. 1;
Fig. 9 analyses and observe the structure for amplifying synoptic diagram for the A-A among Fig. 1;
Figure 10 is one of position structure for amplifying synoptic diagram between light source wiring board, reflector, the branch lens board;
Figure 11 be between light source wiring board, reflector, the branch lens board position structure for amplifying synoptic diagram two;
Figure 12 be between light source wiring board, reflector, the branch lens board position structure for amplifying synoptic diagram three.
(5), embodiment:
Embodiment one: referring to Fig. 1~Fig. 7, Fig. 9, Figure 10, among the figure, the flash lamp for photography that contains combined lens board contains housing 1, the inside of housing 1 is provided with heating radiator 15, housing 1 is provided with the light emission window, housing 1 contains control circuit wiring board 14, light source wiring board 13, output lead on the control circuit wiring board 14 is electrically connected with input lead on the light source wiring board 13,48 great power LED luminotrons 12 have been welded on the light source wiring board 13, the component side of light source wiring board 13 is installed towards the light emission window, component side the place ahead of light source wiring board 13 is provided with lens board, lens board is provided with 48 convex lens 9,48 convex lens 9 are corresponding mutually with the position of 48 great power LED luminotrons 12, lens board contains two branch lens boards 8, two branch lens boards 8 are arranged side by side in the place ahead of the component side of light source wiring board 13, and two branch lens boards 8 are similar in same plane.
Also be provided with reflector 10 between light source wiring board 13 and two branch lens boards 8, reflector 10 is provided with 48 reflective pits 11 to light source wiring board 13 1 sides depression, the middle part of each reflective pit 11 is equipped with a through hole 20,48 through holes 20 are corresponding mutually with the position of 48 great power LED luminotrons 12, and the internal diameter of through hole 20 is slightly larger than the external diameter of great power LED luminotron 12.
Light emission window place is equipped with astigmatism plate 3, and the material of astigmatism plate 3 is a trnaslucent materials; Reflective pit 11 is the reflective pit of the conical surface.
Light source wiring board 13 is an aluminum-based circuit board, housing 1 internal fixation has heating radiator 15, the face bonding of aluminum-based circuit board is equipped with great power LED luminotron 12, and the back side of aluminum-based circuit board is connected with heating radiator 15, is positioned at heating radiator 15 places on the housing 1 and is provided with heat radiation seam 7 and louvre 6.
Reflector 10 is connected with light source wiring board 13 by support column 17 with branch lens board 8, and astigmatism plate 3 is installed on the housing 1.
Convex lens 9 are plano-convex lens; Dividing the material of lens board 8 is transparent material; The material of reflector 10 is an aluminium.
Housing 1 is provided with U-shaped support 2, the two ends of U-shaped support 2 are connected with the both sides of housing 1 by tightening knob 4, be provided with pad 16 between the both sides of the two ends of U-shaped support 2 and housing 1, U-shaped support 2 and housing 2 can take up solid knob 4 and rotate, the bottom of U-shaped support 2 is provided with fixedly arm 5, and fixedly the side of arm 5 is provided with fixed knob 17.
The profile of housing 1 is flat rectangular parallelepiped, and the light emission window is located on the face of flat rectangular parallelepiped.
Embodiment two: referring to Fig. 1~Fig. 3, Fig. 5~Figure 10, numbering is identical with embodiment one among the figure, the same meaning of representative, and its course of work is also basic identical, and something in common does not repeat, and difference is: dividing the number of lens board 8 is four.
Embodiment three: referring to Fig. 1~Fig. 7, Fig. 9, Figure 11, numbering is identical with embodiment one among the figure, the same meaning of representative, and its course of work is also basic identical, and something in common does not repeat, and difference is: convex lens 9 are biconvex lens.
Embodiment four: referring to Fig. 1~Fig. 7, Fig. 9, Figure 12, numbering is identical with embodiment one among the figure, the same meaning of representative, and its course of work is also basic identical, and something in common does not repeat, and difference is: convex lens 9 are concave-convex lens.