CN206159840U

CN206159840U - Even transmitted light source case of LED

Info

Publication number: CN206159840U
Application number: CN201621074497.2U
Authority: CN
Inventors: 王彬宇; 刘海燕
Original assignee: Thousand Lights Lighting (changzhou) Ltd
Current assignee: Thousand Lights Lighting (changzhou) Ltd
Priority date: 2016-09-22
Filing date: 2016-09-22
Publication date: 2017-05-10
Anticipated expiration: 2026-09-22

Abstract

The utility model provides an even transmitted light source case of LED, includes the casing, sets up first box, second box, LED module and optical system in the casing, has seted up the light -emitting window on the casing, be equipped with on the first box with light -emitting window assorted opening, the light -emitting window passes through opening and the inside intercommunication of first box, the both sides that first box is adjacent with the opening are had a perfect understanding and are provided with into guang kou, and the setting of second box corresponds two positions of advancing light mouthful in the first box outside, and the correspondence of second box is entered the position of light mouthful and has been offered light -transparent opening, advance light mouthful through light -transparent opening and the inside intercommunication of second box, and the inner wall of first box and second box is all pasted and is had the reflection stratum, and optical system is including setting up the first diffuser plate between first box and second box, and the second diffuser plate of setting at the light -emitting window. An even transmitted light source case of LED, light carries out a lot of through first box, first diffuser plate, second box and second diffuser plate to be mixed, has improved the degree of consistency of output light.

Description

A kind of LED uniform transilluminations light-source box

Technical field

The utility model is related to light-source box field, more particularly to a kind of LED uniform transilluminations light-source box.

Background technology

Transmitted light source case is mainly used in the illumination of transmission-type colour atla and camera calibrated.The calibration of camera is needed in multiple standards Carry out under light source, and camera needs higher responding range according to the different of use environment, thus be accordingly used in camera calibrated Light source allow for realizing that the illumination group of various light sources merges and possess higher mixture homogeneity, with altitude simulation reality light Source.Transmitted light source case in existing market, mostly carries out the mixing of single by diffuser plate, and the uniformity of its output light source is not It is high, it is impossible to meet the demand of camera calibrated.

Utility model content

In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of LED uniform transilluminations light-source box, Repeatedly mixed by the first casing, the first diffuser plate, the second casing and the second diffuser plate, improve the uniform of output light Degree.

To solve the above problems, the technical scheme that the utility model is adopted is as follows：

A kind of LED uniform transilluminations light-source box, including housing, the first casing, the second casing, the LED moulds being arranged in housing Group and optical system, offer light-emitting window on the housing, first casing is provided with the opening matched with light-emitting window, institute State light-emitting window to connect with the first box house by opening；First casing the both sides insertion adjacent with opening be provided with into Optical port, second casing is arranged on the position of the first casing outside two light inlets of correspondence, the second casing correspondence light inlet Position offer light-transmitting opening, the light inlet is connected by light-transmitting opening with the second box house, first casing and second The inwall of casing is pasted with reflecting layer；Second casing is offered away from the side of light inlet and matched with LED modules Installing hole, the LED modules correspondence is arranged in each installing hole；The optical system includes being arranged on the first casing and the second case The first diffuser plate between body, and it is arranged on the second diffuser plate of light-emitting window.

Further, the LED modules include multiple LED lamp panels, and the LED lamp panel is being pacified near the side of the first casing High-power LED lamp bead equipped with various different outgoing peak wavelengths or COB chips；The optical system also includes neutral filter Mating plate, the neutral colour filter be arranged on light-emitting window outside and the first casing and the second casing between at least one at, it is described Neutral colour filter can be removed or changed.

Further, the housing is provided with bracing frame in light-emitting window both sides, and multiple slots are offered on support frame as described above, The neutral colour filter and the second diffuser plate can be inserted in the slot.

Further, the LED modules also include being arranged on fin of the LED lamp panel away from the first casing side, described Housing is provided with ventilating fan in the position of correspondence LED lamp panel and power supply.

Further, first box house is for cuboid or integrates spherical.

Further, the reflecting layer is polyfluortetraethylene plate or barium sulfate coating.

Further, control system is also included, the control system includes processor, and the processor is by control Circuit and drive circuit are electrically connected with LED modules, and the control circuit can adjust the wavelength combination that LED modules emit beam, The drive circuit adjusts the photograph that LED modules emit beam by one or more in amplitude modulation(PAM) or pulse width modulation Degree.

Further, the control system also includes being arranged on the temperature sensor at control circuit, and is arranged on out light Optical pickocff at mouthful, the temperature sensor is used to monitor the temperature of control circuit, and the optical pickocff is used to measure The spectral power distribution of light source.

Compared to existing technology, the beneficial effects of the utility model are：A kind of LED uniform transilluminations described in the utility model Light-source box, light is repeatedly mixed by the first casing, the first diffuser plate, the second casing and the second diffuser plate, is improve defeated Go out the uniformity of light；By high-power LED lamp bead or COB chips, and the neutral colour filter of dismantled and assembled replacing, expand out The illumination range of optical port output light, meets the demand of camera calibrated.

Description of the drawings

Fig. 1 shows a kind of decomposition texture schematic diagram of LED uniform transilluminations light-source box described in the utility model；

Fig. 2 shows a kind of decomposition texture schematic diagram of another angle of LED uniform transilluminations light-source box shown in Fig. 1；

Fig. 3 shows the spectral power distribution that LED modules emit beam；

Fig. 4 shows a kind of partial structural diagram of LED uniform transilluminations light-source box shown in Fig. 1.

Wherein, 1 is housing, and 11 is light-emitting window, and 12 is bracing frame, and 13 is ventilating fan, and 14 is handle, and 2 is the first casing, 21 For light inlet, 22 is opening, and 3 is the second casing, and 31 is installing hole, and 32 is light-transmitting opening, and 4 is LED modules, and 41 is LED lamp panel, 42 For fin, 51 is the first diffuser plate, and 52 is the first neutral colour filter, and 53 is the second diffuser plate, and 54 is the second neutral colour filter, 6 is control system, and 61 is control circuit, and 62 is drive circuit.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawings and detailed description.

As shown in Figure 1-2, a kind of LED uniform transilluminations light-source box described in the utility model, including housing 1, is arranged on shell The first casing 2, the second casing 3, LED modules 4, optical system and control system 6 in body 1.Second casing 3 is arranged on The both sides of one casing 2, the LED modules are arranged on the second casing 3 away from the side of the first casing 2.

Light-emitting window 11 is offered on the housing 1, the housing 1 is provided with bracing frame 12 in the both sides of light-emitting window 11, described Multiple slots are offered on bracing frame 12.The housing 1 is provided with ventilating fan 13 in the position of correspondence LED modules 4 and power supply, uses In radiating.Handle 14 is additionally provided with the housing 1, for carrying, light-source box is moved.

In the present embodiment, the inside of first casing 2 is cuboid, and first casing 2 is provided with and light-emitting window 11 The opening 22 for matching, the light-emitting window 11 is connected by opening 22 with the inside of the first casing 2.First casing 2 and opening 22 adjacent both sides insertions are provided with light inlet 21.Second casing 3 is arranged on the outside of the first casing 2 two light inlets 21 of correspondence Position, the position of second casing 3 correspondence light inlet 21 offers light-transmitting opening 32, and the light inlet 21 passes through light-transmitting opening 32 Connect with the inside of the second casing 3, second casing 3 offers the peace matched with LED modules 4 away from the side of light inlet 21 Dress hole 31.The inwall of the casing 3 of first casing 2 and second is pasted with reflecting layer, and the reflecting layer is by with high reflectance Material is made, can be fully reflective by light.In the present embodiment, the reflecting layer is polyfluortetraethylene plate.It is appreciated that described Reflecting layer can also be the coatings with highly reflective material such as barium sulfate.As shown in figure 4, arrow represents the road of light in figure Footpath, the light that LED modules 4 send reflecting layer described in is well mixed after multiple reflections in the second casing 3 and the first casing 2, Exported by light-emitting window 11.Preferably, the inside of first casing 2 is spherical for integration, and light mixes more in the first casing 2 Uniformly.

The LED modules 4 include multiple LED lamp panels 41, and are arranged on the dissipating away from the side of the second casing 3 of LED lamp panel 41 Backing 42, the correspondence of the LED lamp panel 41 is arranged in each installing hole 31.Fig. 3 is refer to, the LED lamp panel 41 is near second The side of casing 3 is provided with the high-power LED lamp bead of various different outgoing peak wavelengths, can according to demand send different ripples Long light.It is appreciated that the LED lamp bead also can be COB chips.The ventilating fan 13 is arranged on correspondence on housing 1 and dissipates The position of backing 42, outside the heat discharge housing 1 for generation that LED lamp panel 41 works.

The optical system includes diffuser plate and neutral colour filter, and specifically, in the present embodiment, the optical system includes The first diffuser plate 51 and the first neutral colour filter 52 being arranged between the second casing 3 and the first casing 2, and it is arranged on light-emitting window Second diffuser plate 53 and the second neutral colour filter 54 in 11 outsides.In the present embodiment, first diffuser plate 51 is arranged on first Near the side of the first casing 2, second diffuser plate 53 is arranged on the second neutral colour filter 54 near to neutral colour filter 52 The side of one casing 2.It is appreciated that the position of first diffuser plate 51 can be mutual with the position of the first neutral colour filter 52 Change, the position of second diffuser plate 53 can be with the location swap of the second neutral colour filter 54.First diffuser plate 51 and The size of the first neutral colour filter 52 matches with the size of light inlet 21, can be spread the second casing 3, first using screw The neutral colour filter 52 of plate 51 and first is overlapped to be fixed on the outside of light inlet 21.The neutral filter of second diffuser plate 53 and second The size of mating plate 54 matches with the slot of bracing frame 12, and the second diffuser plate 53 is propped up with corresponding being inserted into of the second neutral colour filter 54 In the slot of support 12.The diffuser plate 53 of first diffuser plate 51 and second is used to mix the light that LED lamp panel 41 sends, and improves The irradiant uniformity of light-emitting window 11.The neutral colour filter 54 of first neutral colour filter 52 and second is used to reduce light Illumination, any one or two in the neutral colour filter 54 of first neutral colour filter 52 and second can need according to user Ask dismounting, or the neutral colour filter for changing different size.

The control system 6 includes processor (not shown), and the processor is by control circuit 61 and drive circuit 62 electrically connect with LED modules 4.The control circuit 61 can adjust the wavelength combination that LED modules 4 emit beam, the driving Circuit 62 adjusts the illumination that LED modules 4 emit beam by one or more in amplitude modulation(PAM) or pulse width modulation.Institute State processor to be connected with outside computer or terminal by way of wirelessly or non-wirelessly, user can conveniently control light-source box Work.The control system 6 also includes being arranged on the temperature sensor (not shown) at control circuit 61, and installed in light-emitting window Optical pickocff (not shown) at 11.The temperature sensor is used to monitor the temperature of control circuit 61, when temperature is more than 100 DEG C when, caution signal is passed to into the processor, while the processor is cut off the electricity supply, prevent from burning out light-source box.The light Learning sensor is used to measure the spectral power distribution of light, and measurement data is passed to into computer, and user can be according to measurement number LED modules 4 are adjusted according to by control system 6 so that light-source box can export the working light of needs.

During work, user adjusts wavelength combination and the illumination that LED modules 4 emit beam, light Jing by control system 6 Cross and entered in the first casing 2 by light inlet after the second casing 3 and the mixing of the first diffuser plate 51, light Jing in the first casing 2 Cross after further mixing and the higher light source of mixing uniformity is exported by 11 and second diffuser plate of light-emitting window 53, it is well mixed Performance enough reaches more than 96%；Because LED lamp panel 41 is provided with high-capacity LED lamp bead so that the maximum light at light-emitting window 11 Illumination can reach 28000lux；When the minimal illumination of LED lamp panel 41 cannot meet demand, by installing or changing appropriate The first neutral colour filter 52 or the second neutral colour filter 54, further reduce light-emitting window 11 at minimum light illumination, its Minimal illumination can reach 2lux；The upper limit of light illumination is improve by high-power LED lamp bead, is dropped by neutral colour filter The low lower limit of light illumination, so as to improve the illumination range of output light.

A kind of LED uniform transilluminations light-source box described in the utility model, light by the first casing 2, the first diffuser plate 51, Second casing 3 and the second diffuser plate 52 are repeatedly mixed, and improve the uniformity of output light；By high-power LED Pearl or COB chips, and the neutral colour filter of dismantled and assembled replacing, expand the illumination range of the output light of light-emitting window 11, meet The demand of camera calibrated.

It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various It is corresponding to change and deformation, and all these change and deformation should all belong to the protection of the utility model claim Within the scope of.

Claims

1. a kind of LED uniform transilluminations light-source box, it is characterised in that：Including housing (1), the first casing being arranged in housing (1) (2), the second casing (3), LED modules (4) and optical system, offer light-emitting window (11), first case on the housing (1) Body (2) is provided with the opening (22) matched with light-emitting window (11), and the light-emitting window (11) is by opening (22) and the first casing (2) internal connection；First casing (2) the both sides insertion adjacent with opening (22) is provided with light inlet (21), and described second Casing (3) is arranged on the position of the first casing (2) outside two light inlets of correspondence (21), the second casing (3) correspondence light inlet (21) position offers light-transmitting opening (32), and the light inlet (21) is connected by light-transmitting opening (32) with inside the second casing (3), The inwall of first casing (2) and the second casing (3) is pasted with reflecting layer；Second casing (3) is away from light inlet (21) side offers the installing hole (31) matched with LED modules (4), and LED modules (4) correspondence is arranged on each installation In hole (31)；The optical system includes the first diffuser plate (51) being arranged between the first casing (2) and the second casing (3), And it is arranged on second diffuser plate (53) of light-emitting window (11).

2. a kind of LED uniform transilluminations light-source box according to claim 1, it is characterised in that：The LED modules (4) include Multiple LED lamp panels (41), the LED lamp panel (41) is provided with various different outgoing peak values in the side near the first casing (2) The high-power LED lamp bead or COB chips of wavelength；The optical system also includes neutral colour filter, the neutral colour filter At between light-emitting window (11) outside and the first casing (2) and the second casing (3) at least one, the neutral colour filter Can remove or change.

3. a kind of LED uniform transilluminations light-source box according to claim 2, it is characterised in that：The housing (1) is in light-emitting window (11) both sides are provided with bracing frame (12), and multiple slots, the neutral colour filter and second are offered on support frame as described above (12) Diffuser plate (53) can be inserted in the slot.

4. a kind of LED uniform transilluminations light-source box according to claim 2, it is characterised in that：The LED modules (4) are also wrapped The fin (42) for being arranged on LED lamp panel (41) away from the first casing (2) side is included, the housing (1) is in correspondence LED lamp panel And the position of power supply is provided with ventilating fan (13) (41).

5. a kind of LED uniform transilluminations light-source box according to claim 1, it is characterised in that：First casing (2) is internal It is that cuboid or integration are spherical.

6. a kind of LED uniform transilluminations light-source box according to claim 1, it is characterised in that：The reflecting layer is polytetrafluoro Vinyl plate or barium sulfate coating.

7. a kind of LED uniform transilluminations light-source box according to claim 1, it is characterised in that：Also include control system (6), the control system (6) includes processor, and the processor is by control circuit (61) and drive circuit (62) and LED Module (4) is electrically connected, and the control circuit (61) can adjust the wavelength combination that LED modules (4) emit beam, the driving electricity Road (62) adjusts the illumination that LED modules (4) emit beam by one or more in amplitude modulation(PAM) or pulse width modulation.

8. a kind of LED uniform transilluminations light-source box according to claim 7, it is characterised in that：The control system (6) is also wrapped The temperature sensor at control circuit is included, and installed in the optical pickocff at light-emitting window (11) place, the TEMP Device is used to monitor the temperature of control circuit (61), and the optical pickocff is used to measure the spectral power distribution of light source.