Lens light supplementing device and projector with same

Abstract

The utility model discloses a lens light supplement device, comprising a projection module, an image acquisition module, an infrared TOF module and a light supplement module, the lens light supplement device also comprises a focusing cover, the focusing cover is provided with a projection hole site, a light supplement hole site and a focusing hole site, the projection module is assembled in the projection hole site, the light supplement module and the image acquisition module are assembled in the light supplement hole site, and the focusing hole site is provided with a focusing hole site. The infrared TOF module is assembled in the focusing hole site, the light supplementing module is distributed around the periphery of the image acquisition module, the light supplementing module comprises a substrate and a plurality of infrared lamp beads, the substrate is provided with a penetrating hole, the image acquisition module is located in the penetrating hole, and the plurality of infrared lamp beads are circumferentially arranged on the periphery of the penetrating hole; the utility model further discloses a projector with the lens light supplementing device. According to the utility model, the light supplement module, the image acquisition module and the infrared TOF module are distributed in a relatively concentrated manner, the problems that a projector is complicated, not simple and large in size are avoided, the infrared light supplement replaces the traditional visible light supplement, and the problem of high energy consumption is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to projection technical field, especially a lens light supplementing device and projector with the lens light supplementing device. BACKGROUND

[0002] With the continuous development of science and technology and the continuous attention to projection technology, the outdoor projector has been improved to a certain extent, and is widely used in various projection device fields, but the existing outdoor projector still has certain disadvantages when in use, for example: the existing outdoor projector cannot supplement light when the projection light is weak, which affects the projection display effect.

[0003] In view of the above-mentioned disadvantages, the Chinese utility model patent publication number: CN 208506505 U discloses a holographic screen projection device convenient for light supplementing, which comprises a projection device box, a connecting column is arranged on the upper end outer surface of the projection device box, a height adjusting telescopic rod is arranged on the upper end outer surface of the connecting column, a suspension column is arranged on the upper end outer surface of the height adjusting telescopic rod, and a fixing knob is arranged on the upper end outer surface of the suspension column, the height adjusting telescopic rod can well adjust the height of the projection device box, so that the use range is increased, the light supplementing lamp head is arranged, which can well supplement light when the projection light is weak, so that the display effect during projection is increased, the dust shielding shutter is arranged, the rear end outer surface is provided with a rotating shaft, dust can be prevented from entering the projection light source head when not in use, the user needs to perform dust wiping work additionally, so that the working efficiency of the user is improved, and the prevention effect is good, the whole holographic screen projection device convenient for light supplementing has the advantages of simple structure, convenient operation and better use effect than the prior art.

[0004] The above-mentioned prior art patent technology solves the light supplementing effect when the projection light is weak, but at the same time introduces at least the following technical defects:

[0005] The projection light source head, the light supplementing lamp head and the light supplementing lamp head are independently arranged, the component modules are not gathered, the overall mechanism of the projector is complicated and not simple, the volume is large, and visible light is used for light supplementing, so that the energy consumption is high. UTILITY MODEL CONTENT

[0006] The lens light supplementing device and the projector with the same solve the problems of the prior art, and have the following advantages: on the one hand, the light supplementing module, the image collecting module and the infrared TOF module are relatively concentrated and are concentrated in the focusing cover area, so that the component modules are relatively concentrated, and the problem of complicated and bulky overall structure of the projector is avoided; on the other hand, the light supplementing module can realize the infrared light supplementing effect through the infrared lamp beads, so that the visible light supplementing in the traditional sense is replaced, and the technical problem of high energy consumption caused by visible light supplementing is solved; in addition, the projection end and the light supplementing end of the projector can be stably fixed on the focusing cover, so that the front end structure stability of the projector is improved.

[0007] To solve the above technical problems, the utility model adopts the technical scheme of:

[0008] The utility model discloses a lens light supplementing device, including projection module, image collecting module, infrared TOF module and light supplementing module, the lens light supplementing device still includes focusing cover, the focusing cover is opened with projection hole site, light supplementing hole site and focusing hole site, the projection module is assembled in the projection hole site, the light supplementing module with image collecting module is assembled in the light supplementing hole site, the infrared TOF module is assembled in the focusing hole site, the light supplementing module surrounds the periphery distribution setting of image collecting module, the light supplementing module includes substrate and a plurality of infrared lamp beads, the substrate is opened with the penetration hole, the image collecting module is located in the penetration hole, a plurality of infrared lamp beads are circumferentially set in the periphery of the penetration hole.

[0009] In order to solve its technical problem, the further technical scheme that the utility model adopts is:

[0010] Optionally, the lens light supplementing device, wherein the lens light supplementing device further includes a control board and a first heat sink, one end of the first heat sink close to the focusing cover is assembled and connected with the focusing cover, and the control board is assembled on one side surface of the first heat sink.

[0011] Further optionally, the lens light supplementing device, wherein the control board and the first heat sink are arranged in parallel, and a gap is formed between the control board and the first heat sink.

[0012] Further optionally, the lens light supplementing device, wherein the control board is electrically connected with the projection module, the image collecting module, the infrared TOF module and the light supplementing module.

[0013] The infrared TOF module is used to transmit distance data in real time to dynamically adjust the projection focal length.

[0014] The image acquisition module is used to feed back the captured projection image to the control board, and is used for analyzing the definition and geometric calibration of the projection image.

[0015] The light supplementing module is used to automatically start and stop according to the ambient light or image quality feedback, and ensures the effectiveness of image acquisition.

[0016] The projection module is used to adjust the focal length, brightness or geometric parameters in real time after receiving the instruction of the control board.

[0017] The control board is used to receive the signal from the infrared TOF module and control the focusing of the projection module, receive and analyze the image information from the image acquisition module, and start and stop the light supplementing module according to the image information.

[0018] Optionally, the lens light supplementing device, wherein the second heat sink is connected to the side surface of the substrate away from the focusing cover, the second heat sink is provided with the same penetrating hole corresponding to the same position of the substrate, and the image acquisition module sequentially passes through the penetrating hole of the second heat sink and the substrate.

[0019] Further optionally, the lens light supplementing device, wherein the side surface of the focusing cover close to the control board is provided with an inner extension edge portion at the projection hole position, and the inner extension edge portion abuts against the end portion of the projection module.

[0020] Further optionally, the lens light supplementing device, wherein the side surface of the focusing cover close to the control board is provided with an assembly edge portion at the light supplementing hole position, the assembly edge portion is provided with a threaded hole and a threaded column matched with the threaded hole, and the focusing cover is assembled with the substrate, the second heat sink and the image acquisition module through the threaded hole and the threaded column of the assembly edge portion.

[0021] The utility model also proposes a projector, the projector includes any one of the lens light supplementing device in the foregoing description, and the lens light supplementing device is assembled in the projector.

[0022] The mounting structure of the utility model adopts the further technical scheme to solve the technical problem, and is as follows:

[0023] Optionally, the projector, wherein the projector includes a closed projection cover shell, the projection end of the projection cover shell is provided with a projection window, and the projection window is fixedly assembled with the focusing cover.

[0024] Further optionally, the projector, wherein the projection window is provided with a stepped structure, the stepped structure is provided with a tempered silk screen glass in a closed manner, and the focusing cover is arranged opposite to the tempered silk screen glass.

[0025] Compared with the prior art, the utility model has the following technical effects:

[0026] On one hand, the focusing cover of the utility model is provided with a projection hole, a light supplementing hole and a focusing hole, a projection module is assembled in the projection hole, a light supplementing module and an image collecting module are assembled in the light supplementing hole, and an infrared TOF module is assembled in the focusing hole, the light supplementing module is arranged around the periphery of the image collecting module, so that the light supplementing module, the image collecting module and the infrared TOF module are relatively concentrated and are concentrated in the focusing cover area, the component modules are relatively concentrated, and the problem of complicated and bulky overall mechanism of the projector is avoided.

[0027] On the other hand, the light supplementing module of the utility model is provided with a substrate and a plurality of infrared lamp beads, the substrate is provided with a through hole, the image collecting module is located in the through hole, and the plurality of infrared lamp beads are circumferentially arranged at the periphery of the through hole, so that the light supplementing module can realize the infrared light supplementing effect through the plurality of infrared lamp beads, instead of the traditional visible light supplementing, and the technical problem of high energy consumption caused by visible light supplementing is improved.

[0028] In addition, the focusing cover of the utility model is provided with a projection hole, a light supplementing hole and a focusing hole, a projection module is assembled in the projection hole, a light supplementing module and an image collecting module are assembled in the light supplementing hole, and an infrared TOF module is assembled in the focusing hole, the light supplementing module is arranged around the periphery of the image collecting module, so that the projection end and the light supplementing end of the projector can be stably fixed on the focusing cover, and the front end structure stability of the projector is improved.

[0029] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the content of the specification can be implemented, the following preferred embodiments of the utility model are described in detail with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is one of the three-dimensional structure assembly schematic diagrams of the utility model embodiment 1.

[0031] Figure 2 It is the second three-dimensional structure assembly schematic diagram of the utility model embodiment 1.

[0032] Figure 3 It is the third three-dimensional structure assembly schematic diagram of the utility model embodiment 1.

[0033] Figure 4 It is the fourth three-dimensional structure assembly schematic diagram of the utility model embodiment 1.

[0034] Figure 5 It is the fifth three-dimensional structure assembly schematic diagram of the utility model embodiment 1.

[0035] Figure 6 is a three-dimensional structure schematic view of the light supplementing module in the embodiment 1 of the utility model;

[0036] Figure 7 is a three-dimensional structure schematic view of the light supplementing module in the embodiment 1 of the utility model;

[0037] Figure 8 is a three-dimensional structure assembly schematic view of the light supplementing module and the image collecting module in the embodiment 1 of the utility model;

[0038] Figure 9 is a three-dimensional structure assembly schematic view of the light supplementing module and the image collecting module in the embodiment 1 of the utility model;

[0039] Figure 10 is a three-dimensional structure schematic view of the focusing cover in the embodiment 1 of the utility model;

[0040] Figure 11 is a three-dimensional structure schematic view of the focusing cover in the embodiment 1 of the utility model;

[0041] Figure 12 is a three-dimensional structure schematic view of the infrared TOF module in the embodiment 1 of the utility model;

[0042] Figure 13 is a three-dimensional structure schematic view of the infrared TOF module in the embodiment 1 of the utility model;

[0043] Figure 14 is a three-dimensional structure schematic view of the projection module in the embodiment 1 of the utility model;

[0044] Figure 15 is a three-dimensional structure schematic view of the projection module in the embodiment 1 of the utility model;

[0045] Figure 16 is a three-dimensional structure partial explosion schematic view of the projector in the embodiment 2 of the utility model;

[0046] Figure 17 is a three-dimensional structure partial explosion schematic view of the projector in the embodiment 2 of the utility model;

[0047] Figure 18 is a three-dimensional structure assembly schematic view of the projection cover shell, projection window and step structure of the projector in the embodiment 2 of the utility model;

[0048] Figure 19 is a three-dimensional structure assembly schematic view of the projector in the embodiment 2 of the utility model;

[0049] The marks of each part in the drawing are as follows:

[0050] Projection module 1, image acquisition module 2, infrared TOF module 3, supplementary light module 4, substrate 41, several infrared LEDs 42, penetration hole 43, focusing cover 5, projection hole 51, supplementary light hole 52, focusing hole 53, inner extension edge 54, assembly edge 55, control board 6, first heat sink 7, second heat sink 8, projection cover 9, projection window 91, stepped structure 911, and tempered screen-printed glass 92. Detailed Implementation

[0051] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0052] Example 1

[0053] like Figures 1 to 15 As shown in Embodiment 1, a lens illumination device includes an image acquisition module 2, an infrared TOF module 3, and an illumination module 4. The lens illumination device also includes a focus cover 5, which has a projection hole 51, an illumination hole 52, and a focus hole 53. The projection module 1 is assembled in the projection hole 51, the illumination module 4 and the image acquisition module 2 are assembled in the illumination hole 52, and the infrared TOF module 3 is assembled in the focus hole 53. The illumination module 4 is distributed around the outer periphery of the image acquisition module 2. The illumination module 4 includes a substrate 41 and a plurality of infrared LEDs 42. The substrate 41 has a penetration hole 43, the image acquisition module 2 is located in the penetration hole 43, and the plurality of infrared LEDs 42 are circumferentially arranged around the penetration hole 43.

[0054] Among them, projection module 1 preferentially adopts a laser projection lens with a projection ratio of TR1.23, a luminous flux of 600Lm, and a built-in drive motor;

[0055] Image acquisition module 2 preferentially adopts a USB camera module with a spectral response range of 650nm (visible red edge) to 940nm (near-infrared band) and a field of view (FOV) of ≥100° diagonal angle.

[0056] The infrared TOF module 3 prioritizes the use of an infrared ToF sensor, which employs a 940nm infrared laser to achieve a four-meter ranging capability;

[0057] The supplementary lighting module 4 preferentially uses an infrared light-emitting diode with a wavelength of 940nm as the supplementary lighting source;

[0058] In the embodiment, on the one hand, the focusing cover is provided with a projection hole, a light supplementing hole and a focusing hole, the projection module is assembled in the projection hole, the light supplementing module and the image collecting module are assembled in the light supplementing hole, and the infrared TOF module is assembled in the focusing hole. The light supplementing module is arranged around the outer periphery of the image collecting module, so that the light supplementing module, the image collecting module and the infrared TOF module are relatively concentrated and are concentrated in the area of the focusing cover, the component modules are relatively concentrated, and the problem of complicated and bulky overall mechanism of the projector is avoided.

[0059] On the other hand, the light supplementing module has a substrate and a plurality of infrared lamp beads. The substrate is provided with a through hole, and the image collecting module is located in the through hole. The plurality of infrared lamp beads are arranged on the periphery of the through hole in a circumferential direction. Through the structure design that the plurality of infrared lamp beads are arranged on the periphery of the through hole in the circumferential direction, the light supplementing module can realize the effect of infrared light supplementing through the plurality of infrared lamp beads, instead of visible light supplementing in the traditional sense, and the technical problem of high energy consumption caused by visible light supplementing is improved.

[0060] In addition, the focusing cover is provided with a projection hole, a light supplementing hole and a focusing hole, the projection module is assembled in the projection hole, the light supplementing module and the image collecting module are assembled in the light supplementing hole, and the infrared TOF module is assembled in the focusing hole. The light supplementing module is arranged around the outer periphery of the image collecting module, so that the projection end and the light supplementing end of the projector can be stably fixed on the focusing cover, and the stability of the front end structure of the projector is improved.

[0061] As shown in Figure 1 , Figure 3 and Figure 4 , the lens light supplementing device of the above embodiment 1 optionally further comprises a control board 6 and a first heat dissipation plate 7. One end of the first heat dissipation plate 7 close to the focusing cover 5 is assembled and connected with the focusing cover 5, and one side surface of the first heat dissipation plate 7 is assembled with the control board 6. The control board 6 preferably adopts a control board compatible with mobile phone APK, capable of built-in fusion, automatic or manual focusing, trapezoidal correction, having a wireless network module, a Bluetooth module, a temperature control module, an audio module, capable of timing on and off, and RS232 remote on and off, and capable of having a control refrigeration or heating function.

[0062] In the embodiment, the first heat dissipation plate, the focusing cover and the control board are assembled to form a relatively fixed structure, which can ensure that the first heat dissipation plate stably conducts and dissipates heat around the control board.

[0063] As shown in Figure 1 and Figure 3 , the control board 6 and the first heat dissipation plate 7 of the above embodiment 1 are further optionally arranged in parallel, and there is a gap (not shown in the figure) between the control board 6 and the first heat dissipation plate 7.

[0064] In the embodiment, the control board is arranged in parallel with the first heat dissipation plate with a gap, so that the first heat dissipation plate can uniformly dissipate heat from the control board and conductively dissipate heat from other components.

[0065] As shown in Figure 1 , Figure 3 , Figure 4 and Figures 6 to 9 , the control board 6 is electrically connected with the projection module 1, the image acquisition module 2, the infrared TOF module 3 and the light supplement module 4.

[0066] The infrared TOF module 3 is used to transmit distance data in real time to dynamically adjust the projection focal length.

[0067] The image acquisition module 2 is used to feed back the captured projection image to the control board 6 for analyzing the definition and geometric calibration of the projection image.

[0068] The light supplement module 4 is used to automatically start and stop according to the ambient light or image quality feedback to ensure the effectiveness of image acquisition.

[0069] The projection module 1 is used to adjust the focal length, brightness or geometric parameters in real time after receiving the instruction of the control board 6.

[0070] The control board 6 is used to receive the signal from the infrared TOF module 3 and control the projection module 1 to focus, receive and analyze the image information from the image acquisition module 2, and start and stop the light supplement module 4 according to the image information.

[0071] In the embodiment, the control board is electrically connected with the projection module, the image acquisition module, the infrared TOF module and the light supplement module 4 to realize the functions of light supplement and focusing.

[0072] As shown in Figure 1 , Figure 2 and Figures 4 to 9 , the substrate 41 is connected with the second heat dissipation plate 8 on the surface away from the focusing cover 5, the second heat dissipation plate 8 is provided with the same penetrating hole 43 corresponding to the same position of the substrate 41, and the image acquisition module 2 passes through the penetrating hole 43 of the second heat dissipation plate 8 and the substrate 41 in sequence.

[0073] In the embodiment, the second heat dissipation plate is sleeved with the image acquisition module through the penetrating hole on the substrate, which can improve the structural stability of the image acquisition module, and the second heat dissipation plate plays a role in conductive heat dissipation of the image acquisition module.

[0074] As shown in Figure 10As shown, in the above embodiment 1, optionally, the side surface of the focusing cover 5 near the control plate 6 is provided with an inner flange 54 at the projection hole 51, and the inner flange 54 abuts against the end of the projection module 1.

[0075] In this embodiment, the structural design of the inner flange at the projection hole position on the focusing cover can effectively improve the structural stability of the projection module.

[0076] like Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 8 and Figure 10 As shown, in the above embodiment 1, optionally, the focusing cover 5 is provided with an assembly edge 55 at the light filling hole position 52 on the side surface of the focusing cover 5 near the control board 6. The assembly edge 55 is provided with a screw hole and a stud that cooperates with the screw hole. The focusing cover 5 is assembled with the substrate 41, the second heat sink 8 and the image acquisition module 2 through the screw hole and stud of the assembly edge 55.

[0077] In this embodiment, the structural design of the mounting edge at the fill light hole position on the focusing cover, as well as the structural design of the screw holes and studs on the mounting edge, enables the substrate, the second heat sink, and the image acquisition module to be stably assembled together, thereby improving structural stability.

[0078] Example 2

[0079] like Figure 16 and Figure 17 As shown, in Embodiment 2, a projector includes the lens illumination device described in any one of Embodiment 1, the lens illumination device being assembled inside the projector.

[0080] like Figures 16 to 18 As shown, in the above embodiment 2, optionally, the projector includes a sealed projection housing 9, and the projection end of the projection housing 9 has a projection window 91, which is assembled and fixed with the focusing cover 5; the projection housing 9 adopts a spherical structure design as a whole; the projection housing 9 is also movably equipped with an adjustment bracket (not shown in the figure), which is used to adjust the overall projection angle of the projector.

[0081] In this embodiment, the focusing cover is fixedly mounted on the projection window, so that the projection module, image acquisition module, infrared TOF module and supplementary light module can all be concentrated at the projection window of the projector, which improves the problem of relatively scattered distribution and non-centralized component modules, and avoids the problem of complex and not simple overall structure of the projector.

[0082] like Figure 18 and Figure 19As shown in the above embodiment 2, further optionally, the projection window 91 is provided with a step structure 911, the step structure 911 is provided with a tempered silk-screen glass 92 in a sealed manner, and the focusing cover 5 is arranged in a position opposite to the tempered silk-screen glass 92.

[0083] In the embodiment, the structure design that the tempered silk-screen glass is sealed on the projection window enhances the physical protection of the projector as a whole, improves the dustproof and stainproof, impact resistance, temperature resistance and humidity resistance, and especially improves the light transmission and anti-reflection capacity.

[0084] The above is only the embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or direct or indirect application in other related technical fields by using the content of the present application specification and drawings is also included in the patent protection range of the present application.

Claims

1. A lens light supplementing device, comprising a projection module (1), an image acquisition module (2), an infrared TOF module (3) and a light supplementing module (4), characterized in that, The lens light supplement device further comprises a focusing cover (5) provided with a projection hole (51), a light supplement hole (52) and a focusing hole (53), the projection module (1) is assembled in the projection hole (51), the light supplement module (4) and the image acquisition module (2) are assembled in the light supplement hole (52), and the infrared TOF module (3) is assembled in the focusing hole (53).

2. The lens light supplementing device according to claim 1, characterized in that, The lens light supplement device further comprises a control board (6) and a first heat dissipation plate (7), one end of the first heat dissipation plate (7) close to the focusing cover (5) is assembled and connected with the focusing cover (5), and the control board (6) is assembled on one side surface of the first heat dissipation plate (7).

3. The lens light supplementing device according to claim 2, characterized in that: The control board (6) and the first heat dissipation plate (7) are arranged in parallel, and a gap is formed between the control board (6) and the first heat dissipation plate (7).

4. The lens light supplementing device according to claim 2, characterized in that, The control board (6) is electrically connected with the projection module (1), the image acquisition module (2), the infrared TOF module (3) and the light supplement module (4); The infrared TOF module (3) is used to transmit distance data in real time to dynamically adjust the projection focal length. The image acquisition module (2) is used to feed back the captured projection image to the control board (6) to analyze the definition and geometric calibration of the projection image. The light supplement module (4) is used to automatically start and stop according to the ambient light or image quality feedback to ensure the effectiveness of image acquisition. The projection module (1) is used to adjust the focal length, brightness or geometric parameters in real time after receiving the instruction of the control board (6). The control board (6) is used to receive the signal from the infrared TOF module (3) and control the focusing of the projection module (1), receive and analyze the image information from the image acquisition module (2), and start and stop the light supplement module (4) according to the image information.

5. The lens light supplementing device according to claim 1, characterized in that, The second heat dissipation plate (8) is connected to the side surface of the substrate (41) away from the focusing cover (5), the second heat dissipation plate (8) is provided with the same penetrating hole (43) corresponding to the same position of the substrate (41), and the image acquisition module (2) passes through the penetrating holes (43) of the second heat dissipation plate (8) and the substrate (41) in sequence.

6. The lens light supplementing device according to claim 2, characterized in that, The side surface of the focusing cover (5) close to the control board (6) is provided with an inner extension edge portion (54) at the projection hole (51), and the inner extension edge portion (54) abuts against the end portion of the projection module (1).

7. The lens light supplementing device according to claim 2, characterized in that, The focusing cover (5) is provided with an assembly edge (55) at the light supplement hole (52) near the side surface of the control panel (6), the assembly edge (55) is provided with a screw hole and a stud cooperating with the screw hole, and the focusing cover (5) is assembled with the base plate (41), the second heat dissipation plate (8) and the image acquisition module (2) through the screw hole and the stud of the assembly edge (55).

8. A projector characterized by comprising: The lens light supplement device comprises the lens light supplement device according to any one of claims 1-7, and the lens light supplement device is assembled in the projector.

9. A projector according to claim 8, wherein, The projector comprises a closed projection cover shell (9), a projection window (91) is arranged at the projection end of the projection cover shell (9), and the projection window (91) is assembled and fixed with the focusing cover (5).

10. The projector of claim 9, wherein, A step structure (911) is arranged on the projection window (91), tempered silk screen glass (92) is arranged on the step structure (911) in a closed mode, and the focusing cover (5) is arranged opposite to the tempered silk screen glass (92).

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