Flash lamp

Abstract

The utility model provides a flash lamp. The flash lamp comprises a shell, a lamp tube, a control unit and a spectrum adjusting piece, wherein a light-emitting path of the lamp tube is provided with a spectrum adjusting piece, and the spectrum adjusting piece can adjust the spectrum distribution of flashing light rays emitted by the lamp tube so as to carry out targeted adjustment on the spectrum of emergent light rays of a single lamp tube, for example, the spectrum adjusting piece can change the wavelength of colored light, filter a specific wave band and the like; moreover, in combination with the setting that the control unit independently controls the plurality of lamp tubes, the controller can adjust the trigger intensity or frequency of each lamp tube, so that the flash light with different color temperatures can be mixed, the flash lamp can meet various different application scenes, the use cost of the lighting equipment is reduced, and the use experience of a user is improved.

Description

Technical Field

[0001] This utility model relates to the field of lighting equipment technology, and in particular to a flashlight. Background Technology

[0002] Xenon flash lamps utilize the ionization of xenon gas encapsulated within them under a high-voltage electric field to form a plasma arc discharge, thereby releasing high-intensity white light. This light emission method has advantages such as instantaneous start-up, high brightness, and color rendering close to sunlight, and is widely used in photography, medical equipment, industrial inspection, and other fields.

[0003] Currently, to adjust the color temperature of xenon flash lamps, color filters are usually added to the optical path. For example, adding a CTO (Color Temperature Orange) filter can lower the color temperature to obtain a warm flash. CTO is a color temperature correction filter, mainly used to lower the color temperature of the light source from a high color temperature (such as 5500K) to a low color temperature (such as 3200K), making the light appear warm orange.

[0004] However, each color filter has a fixed color temperature. Even if a flash unit is equipped with several color filters, the color temperature that can be achieved is limited, which cannot meet the user's need to adjust the light emitted by the flash unit at will. This leads to the need to configure flash units with different color temperatures for different usage scenarios, which greatly increases the cost of using lighting equipment and also limits the application scenarios of flash units to a certain extent. Utility Model Content

[0005] The purpose of this invention is to provide a flash unit with adjustable color temperature, which effectively reduces the cost of using flash equipment and expands the application scenarios of flash equipment.

[0006] To solve the above-mentioned technical problems, this utility model provides a flashlight, which includes:

[0007] The housing has an internal installation space, and the housing has multiple spaced flash windows that communicate with the installation space.

[0008] Multiple lamps are provided and all are arranged in the installation space. The flash light emitted by the lamps can be emitted through the flash window and exit the housing.

[0009] A control unit is disposed in the installation space. The control unit includes a controller and multiple energy storage modules electrically connected to the controller. The multiple energy storage modules are electrically connected to multiple lamps in a one-to-one correspondence. The energy storage modules can be connected to a power supply to store the energy required for the lamps to emit flashing light. The controller can independently control each energy storage module according to a flashing control command to make the energy storage module conduct with the corresponding lamp.

[0010] At least one spectral adjustment element is provided, which is disposed on the light emission path of the lamp tube and is used to adjust the spectral distribution of the flash light emitted by the lamp tube.

[0011] In some embodiments of this application, there are multiple spectral adjustment devices, and at least one spectral adjustment device is provided on each lamp tube's light emission path. The range of spectral distribution adjusted by the spectral adjustment device corresponding to each lamp tube is different.

[0012] In some embodiments of this application, the spectral adjustment element is a sheet-like structure, disposed in the mounting space, and arranged on the side of the lamp tube facing the flash window; and / or,

[0013] The spectral adjustment element is a sheet-like structure and is disposed at the flash window.

[0014] In some embodiments of this application, the flash lamp further includes a Fresnel lens disposed at the flash window, and the spectral adjustment element is a film structure disposed on the surface of the Fresnel lens; and / or

[0015] The flash unit also includes a Fresnel lens, which is disposed at the flash window. The spectral adjustment element is a sheet-like structure, which is disposed at the flash window and arranged outside the Fresnel lens.

[0016] In some embodiments of this application, the spectral adjustment element is a coating structure, and the spectral adjustment element is disposed on the surface of the lamp tube; and / or,

[0017] The spectral adjustment component has a coating structure, and the flash lamp also includes a heat insulation component disposed in the installation space. The heat insulation component is arranged on the side of the lamp tube facing the flash window, and the spectral adjustment component is disposed on the surface of the heat insulation component.

[0018] In some embodiments of this application, the flash lamp further includes a Fresnel lens and a heat insulation component, wherein the Fresnel lens is disposed at the flash window; the heat insulation component is disposed between the lamp tube and the Fresnel lens, and the spectral adjustment component is disposed between the heat insulation component and the Fresnel lens.

[0019] In some embodiments of this application, the flash lamp further includes a transformer module. Each lamp tube is provided with an independent transformer module. The transformer module is electrically connected to the power supply and the energy storage module. The transformer module can convert the low-voltage current of the power supply into a high-voltage current to charge and store energy for the energy storage module.

[0020] In some embodiments of this application, the flash lamp further includes a trigger module, each of the lamp tubes is provided with an independent trigger module, the trigger module is electrically connected to the controller; the controller can output a trigger command to the corresponding trigger module according to the flash control command, so as to ionize the medium inside the corresponding lamp tube and cause the energy storage module to discharge to the corresponding lamp tube, so that the corresponding lamp tube emits flash light.

[0021] In some embodiments of this application, the flash lamp further includes a reflector cup disposed in the mounting space, the reflector cup having a reflective surface facing the flash window; the lamp tube is disposed in the reflector cup, and the flash light emitted by the lamp tube can be reflected by the reflective surface and emitted out of the flash window.

[0022] In some embodiments of this application, multiple reflectors are provided, and the multiple reflectors are spaced apart in the installation space, with multiple lamps correspondingly arranged in the multiple reflectors; and / or,

[0023] The reflector cup is provided with several partitions to divide the interior of the reflector cup into several assembly areas, and each assembly area is provided with a lamp tube.

[0024] In some embodiments of this application, the flash unit further includes a bracket with a mounting groove, the reflector being disposed in the mounting groove, and the bracket being detachably connected to the mounting space of the housing.

[0025] As can be seen from the above technical solution, the beneficial effects of this utility model are as follows: In the flash lamp of this utility model, a spectral adjustment component is provided on the light emission path of the lamp tube. The spectral adjustment component can adjust the spectral distribution of the flash light emitted by the lamp tube, so as to make targeted adjustments to the spectrum of the emitted light of a single lamp tube, such as changing the wavelength of the colored light or filtering specific wavelengths; and, combined with the setting of the control unit to independently control multiple lamp tubes, the controller can mix flash light of different color temperatures by adjusting the trigger intensity or frequency of each lamp tube, so that the flash lamp can meet a variety of different application scenarios, reduce the use cost of lighting equipment, and improve the user experience. Attached Figure Description

[0026] Figure 1 This is a structural schematic diagram of an embodiment of the flash lamp of this utility model.

[0027] Figure 2 yes Figure 1 The exploded view of the flash unit is shown.

[0028] Figure 3 yes Figure 1 Another exploded view of the flash.

[0029] Figure 4 yes Figure 1 The circuit block diagram shown is for the controller of the flash unit.

[0030] Figure 5 yes Figure 1 The diagram shows a cross-sectional view of a portion of the flash unit.

[0031] Figure 6 yes Figure 1 An exploded view of the area shown, representing a portion of the flash area.

[0032] Figure 7 This is a schematic diagram of another embodiment of the flash lamp of this utility model.

[0033] Figure 8 This is a structural schematic diagram of another embodiment of the flash lamp of this utility model.

[0034] The reference numerals in the attached drawings are explained as follows: 100, Flash unit; 10, Housing; 101, Flash window; 102, Charging interface; 11, Body; 111, Connecting buckle; 12, Front cover; 121, Connecting port; 122, Mounting port; 20, Lamp tube; 21, First lamp tube; 22, Second lamp tube; 30, Spectrum adjustment component; 41, Energy storage module; 411, First energy storage module; 412, Second energy storage module; 42, Power supply; 431, First current path; 432, Second current path; 44, Transformer module; 45, Trigger module; 50, Hot shoe; 51, Base; 52, Contact point; 60, Fresnel lens; 61, Fixing lug; 71, Reflector cup; 711, Reflective surface; 72, Bracket; 721, Mounting slot; 722, Mounting lug; 723, Fixing slot; 80, Heat insulation component. Detailed Implementation

[0035] Typical embodiments embodying the features and advantages of this utility model will be described in detail in the following description. It should be understood that this utility model can have various variations in different embodiments, all of which do not depart from the scope of this utility model, and the descriptions and illustrations therein are for illustrative purposes only and not intended to limit this utility model.

[0036] In the description of this application, it should be understood that, in the embodiments shown in the accompanying drawings, the indications of direction or positional relationships (such as up, down, left, right, front, and back) are merely for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. These descriptions are appropriate when these elements are in the positions shown in the accompanying drawings. If the description of the positions of these elements changes, these directional indications also change accordingly.

[0037] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0038] See Figures 1 to 3 One embodiment of this application provides a flash lamp 100, which includes a housing 10, a lamp tube 20, a control unit, and a spectrum adjustment component 30.

[0039] The housing 10 has an internal installation space, and multiple spaced flash windows 101 are provided on the housing 10, which are connected to the installation space. Multiple lamps 20 are provided and are all located in the installation space. The flash light emitted by the lamps 20 can pass through the flash windows 101 and exit the housing 10.

[0040] The control unit is located in the installation space and includes a controller and multiple energy storage modules 41 electrically connected to the controller. Each energy storage module 41 is electrically connected to a corresponding lamp tube 20. The energy storage module 41 can be connected to a power supply 42 to store the energy required for the lamp tube 20 to emit flash light. The controller can independently control each energy storage module 41 according to flash control commands to ensure that the energy storage module 41 is connected to its corresponding lamp tube 20. At least one spectral adjustment element 30 is provided and positioned along the light emission path of the lamp tube 20. The spectral adjustment element 30 is used to adjust the spectral distribution of the flash light emitted by the lamp tube 20.

[0041] In this application, a spectral adjustment component 30 is provided on the light emission path of the lamp tube 20. The spectral adjustment component 30 can adjust the spectral distribution of the flash light emitted by the lamp tube 20, so as to make targeted adjustments to the spectrum of the emitted light of a single lamp tube 20, such as changing the wavelength of the colored light or filtering specific bands. Furthermore, combined with the setting of the control unit to independently control multiple lamp tubes 20, the controller can mix flash light of different color temperatures by adjusting the trigger intensity or frequency of each lamp tube 20, so that the flash lamp 100 can meet a variety of different application scenarios, reduce the operating cost of lighting equipment, and improve the user experience.

[0042] In some embodiments of this application, the housing 10 includes a body 11 and a front cover 12 connected to the body 11. The body 11 has a slot-like structure with an opening on one side. The front cover 12 is connected to the slot of the body 11, and the front cover 12 and the body 11 together form an internal mounting space within the housing 10.

[0043] In this embodiment, a connecting buckle 111 can be provided on the inner wall of the body 11 near the slot, and a connecting port 121 is provided at the edge of the front cover 12. The connecting buckle 111 is snapped into the connecting port 121 so that the front cover 12 can be detachably connected to the body 11.

[0044] In some examples, the flash window 101 is located on the front cover 12 and communicates with the mounting space. The outline of the flash window 101 can be set to a regular shape such as a rectangle, circle, trapezoid, or other irregular shape, without further limitations.

[0045] Multiple flash windows 101 can be provided, and the multiple flash windows 101 are spaced apart on the front cover 12. The multiple flash windows 101 can be spaced apart on the front cover 12 along the height direction of the housing 10, or they can be spaced apart on the front cover 12 along the width direction of the housing 10.

[0046] In other examples, the flash window 101 may also be located on the body 11, such as at the top and / or bottom of the body 11. In addition, multiple flash windows 101 may be arranged in a circumferential manner on the body 10.

[0047] In this example, the flash unit 100 may also include a hot shoe 50. The hot shoe 50 is connected to the housing 10 and is used for connection to the camera. The hot shoe 50 includes a base 51 and contacts 52 disposed on the base 51. The base 51 is disposed at the bottom of the housing 10, and the contacts 52 protrude from the base 51.

[0048] The surface of the mounting body 51 can be provided with a guide rail adapted to the camera's hot shoe, and a latch can be provided on the surface of the mounting body 51. The latch can cooperate with the latch on the camera's hot shoe to achieve mechanical locking. The contact point 52 on the mounting body 51 can contact the electrical connector on the camera's hot shoe to achieve electrical connection between the flash unit 100 and the camera, thereby enabling the transmission of the camera's flash trigger signal, control commands, etc.

[0049] In some embodiments of this application, the flash 100 may further include a Fresnel lens 60, which may be disposed at the flash window 101.

[0050] The Fresnel lens 60 can be made of optical-grade polycarbonate or acrylic, and its surface has a series of concentrically arranged prism structures. When the flash light emitted by the lamp tube 20 passes through the Fresnel lens 60, the prism structure can refract the flash light, allowing the flash light to converge towards the central optical axis and form a narrow-angle beam.

[0051] Furthermore, each flash window 101 can be equipped with an independent Fresnel lens 60 of different specifications to achieve differentiated control of light distribution in multiple areas. The radius of curvature of the prism structure and the spacing of the rings of different Fresnel lenses 60 can be different to achieve wide-angle diffusion or narrow-angle focusing of flash light, thereby adapting the flash unit 100 to different shooting scenarios.

[0052] Some of the flash windows 101 can serve as the main flash area, and these flash windows 101 can be equipped with Fresnel lenses 60 with narrow-angle focusing function to enhance the central illumination intensity; some of the flash windows 101 can serve as auxiliary flash areas, and these flash windows 101 can be equipped with Fresnel lenses 60 with wide-angle diffusion function to enhance the edge shadow areas.

[0053] In this embodiment, the Fresnel lens 60 can be made of light-transmitting colored glass or colored light-transmitting materials such as colored plastic or colored silicone. This Fresnel lens 60 has a light-filtering function to filter light. In this example of the flash unit 100, the spectral adjustment element 30 can be omitted.

[0054] Specifically, the Fresnel lens 60 with filtering function can perform spectral filtering on the light emitted by the lamp tube 20, such as absorbing specific wavelengths and transmitting target wavelengths, thereby directly adjusting the flash light to the desired color temperature. By integrating the filtering function into the Fresnel lens 60 through material properties, a separate spectral adjustment component is eliminated, effectively simplifying the internal structure of the flash lamp 100 and reducing the number of parts and assembly steps.

[0055] In addition to the Fresnel lens 60, other light effect accessories such as diffusers, polarizers, homogenizers, and collimating lenses can also be installed at the flash window 101 of the housing 10 to achieve different light effect processing functions.

[0056] Furthermore, in this application, a lamp tube 20 is provided in the installation space of the housing 10. Multiple lamp tubes 20 can be provided, and multiple lamp tubes 20 can be arranged one-to-one with multiple flash windows 101. The flash light emitted by the lamp tube 20 can be emitted out of the housing 10 through the flash window 101.

[0057] In some examples, the lamp tube 20 can be a xenon lamp tube 20. The lamp tube 20 includes a tube body and xenon gas filled inside the tube body. Electrodes are provided at both ends of the tube body, and the tube body can be configured as a straight tube, U-shaped, annular, or other curved shape, etc.

[0058] For the xenon lamp tube 20, an energy storage module 41 can be installed in the flash lamp 100. The energy storage module 41 can be charged by the power supply 42 to store high-voltage electrical energy. The controller sends a trigger signal, and high voltage is applied to the electrodes of the lamp tube 20, causing the xenon gas inside the tube to ionize and generate an arc discharge, instantly releasing high-intensity white light to form a flash. The following description uses the xenon lamp tube 20 as an example to illustrate the technical solution of this application.

[0059] In some examples, the lamp tube 20 can also be a solid-state semiconductor lamp tube 20, which may include transistors, LED chips, heat dissipation substrates, optical lenses, etc.

[0060] For the solid-state semiconductor lamp tube 20, an energy storage module 41 can be provided in the flash lamp 100 to store low-voltage electrical energy. The controller can control the transistor to quickly turn on, inputting a pulsed high current to the LED chip, which emits strong light to form a flash.

[0061] In other examples, the lamp tube 20 can also be a strobe lamp tube 20 or a multispectral composite lamp tube 20, etc. The multispectral composite lamp tube 20 can integrate an RGB chip or a multicolor LED chip, and can mix the spectra through a controller to achieve full-color flashing.

[0062] In this application, a control unit is also provided in the installation space of the housing 10. The control unit includes a controller and a plurality of energy storage modules 41 electrically connected to the controller, and the plurality of energy storage modules 41 are electrically connected to a plurality of lamps 20 in a one-to-one correspondence.

[0063] The energy storage module 41 can be connected to the power supply 42 to store the energy required for the lamp tube 20 to emit flashing light. The controller can independently control each energy storage module 41 according to the flash control command to make the energy storage module 41 connected to the corresponding lamp tube 20.

[0064] The control unit can independently control multiple lamp tubes 20. The controller can mix different color temperatures of flash light by adjusting the trigger intensity or frequency of each lamp tube 20.

[0065] like Figure 2 , Figure 3 as well as Figure 4 As shown, the flash unit 100 may include two lamp tubes 20, namely a first lamp tube 21 and a second lamp tube 22. The first lamp tube 21 is connected to a first energy storage module 411, and the second lamp tube 22 is connected to a second energy storage module 412.

[0066] The controller may include two current paths, namely a first current path 431 and a second current path 432. The first current path 431 and the second current path 432 are connected in parallel. The first current path 431 independently connects the first energy storage module 411 and the first lamp 21, and the second current path 432 independently connects the second energy storage module 412 and the second lamp 22.

[0067] When the first current path 431 connects the first energy storage module 411 to the first lamp tube 21, the energy stored in the first energy storage module 411 can reach the first lamp tube 21 through the first current path 431, causing the first lamp tube 21 to produce flashing light. When the second current path 432 connects the second energy storage module 412 to the second lamp tube 22, the energy stored in the second energy storage module 412 can reach the second lamp tube 22 through the second current path 432, causing the second lamp tube 22 to produce flashing light.

[0068] The controller can control the inductance value of the first current path 431 to be different from the inductance value of the second current path 432, so that the flash power of the first lamp tube 21 is different from the flash power of the second lamp tube 22, thereby adjusting the color temperature of the flash light emitted by the two lamp tubes 20.

[0069] In some examples, the power supply 42 may be a rechargeable battery located inside the housing 10. This rechargeable battery may be electrically connected to the energy storage module 41, allowing the energy storage module 41 to store the energy required for the lamp tube 20 to emit flashing light. In this example, a charging interface 102 may be provided on the housing 10 for connecting to an external power source to charge the rechargeable battery.

[0070] In other examples, the power supply 42 can be an external power source or a camera. The energy storage module 41 is powered by an external power source, an electrical connection between the camera and the flash 100.

[0071] In some embodiments of this application, combined with Figure 5 As shown, the flash lamp 100 also includes a transformer module 44. Each lamp tube 20 is equipped with an independent transformer module 44. The transformer module 44 is electrically connected to the power supply 42 and the energy storage module 41. The transformer module 44 can convert the low-voltage current of the power supply 42 into a high-voltage current to charge and store energy for the energy storage module 41.

[0072] The independent transformer module 44 enables the controller to effectively control the charging completion status of each energy storage module 41, ensuring the energy controllability when multiple lamps 20 are triggered, and guaranteeing the effectiveness of the adjustable color temperature of the flash lamp 100.

[0073] In some examples, the flash 100 may also include a trigger module 45, with each lamp tube 20 having an independent trigger module 45, which is electrically connected to the controller.

[0074] The controller can output a trigger command to the corresponding trigger module 45 according to the flash control command, so as to ionize the medium inside the corresponding lamp tube 20 and cause the energy storage module 41 to discharge to the corresponding lamp tube 20, so that the corresponding lamp tube 20 emits flash light.

[0075] Each lamp tube 20 has a trigger module 45 that can independently receive commands from the controller to precisely control parameters such as the discharge start time, peak discharge current, and duration. The independent trigger module 45, in conjunction with the independent control of the energy storage module 41, can calibrate the discharge parameters of each lamp tube 20 in real time, ensuring a stable output of the target color temperature.

[0076] Furthermore, in some embodiments of this application, the flash lamp 100 may also include a reflector 71 disposed in the mounting space. The reflector 71 is provided with a reflective surface 711, which faces the flash window 101. The lamp tube 20 is disposed in the reflector 71, and the flash light emitted by the lamp tube 20 can be reflected by the reflective surface 711 and exit the flash window 101.

[0077] The reflective surface 711 of the reflector cup 71 is curved. This reflective surface 711 can reflect and converge the flash light emitted by the lamp tube 20 into a directional beam, which can be emitted in the direction of the flash window 101. Through the reflection of the reflective surface of the reflector cup 71, the waste and loss of flash light can be avoided, ensuring that the flash lamp 100 outputs a higher luminous flux with the same power consumption.

[0078] In some examples, multiple reflectors 71 can be set, with multiple reflectors 71 spaced apart in the installation space, and multiple lamps 20 are set one-to-one in the multiple reflectors 71.

[0079] Each reflector 71 corresponds to an independent lamp tube 20. The flash parameters of each lamp tube 20, such as energy and trigger timing, can be adjusted individually through the controller. Combined with the optical design of the reflector 71, such as setting reflective surfaces 711 with different curvatures and angles, multi-directional, multi-intensity, and multi-angle flash output can be achieved to meet the diverse needs of users.

[0080] In some examples, the reflector cup 71 may be provided with several partitions at intervals to divide the interior of the reflector cup 71 into several assembly areas, each assembly area being provided with a lamp tube 20.

[0081] The partition divides the interior of the reflector cup 71 into independent assembly areas, confining the light emitted by each lamp tube 20 to a specific area for reflection. This prevents the light from different lamp tubes 20 from mixing within the reflector cup 71, ensuring that the emitted light from each lamp tube 20 effectively follows the design direction of its corresponding reflective surface 711. Furthermore, the design of dividing the assembly areas within a single reflector cup 71 using partitions can be achieved through a one-piece molding process. This setup reduces the number of parts and assembly steps, lowering the production cost of the flash unit 100.

[0082] like Figure 2 and Figure 3 In the example shown, a spectral adjustment element 30, which is a sheet-like structure, can be provided in the light emission path of the second lamp tube 22. The spectral adjustment element 30 can be disposed in the reflector cup 71 and arranged on the side of the second lamp tube 22 facing the flash window 101.

[0083] The spectral adjustment element 30 can adjust the spectral distribution of the flash light emitted by the second lamp tube 22. Furthermore, the controller can control the inductance value of the first current path 431 to be different from the inductance value of the second current path 432, so that the flash power of the first lamp tube 21 is different from the flash power of the second lamp tube 22, thereby controlling the color temperature of the flash light emitted by the two lamp tubes 20. For a flash lamp 100 with multiple lamp tubes 20, the setting of the spectral adjustment element 30 and the multi-channel independent control of the controller are described in the example of two lamp tubes 20 described herein, and will not be repeated here.

[0084] See Figure 2 , Figure 3 as well as Figure 6 In some embodiments of this application, the flash 100 may further include a bracket 72. The bracket 72 is provided with a mounting groove 721, and the reflector 71 is disposed in the mounting groove 721. The bracket 72 is detachably connected to the mounting space of the housing 10.

[0085] In some examples, the end of the bracket 72 is provided with a mounting lug 722. The front cover 12 of the housing 10 is provided with a mounting opening 122 near the edge, and the mounting lug 722 is snapped into the mounting opening 122 so that the bracket 72 is detachably connected to the housing 10.

[0086] In this example, the bracket 72 has fixing slots 723 on the inner walls of both ends of the mounting slot 721. The Fresnel lens 60 has a fixing lug 61 at its end. The Fresnel lens 60 is positioned at the flash window 101, and the fixing lug 61 is engaged with the fixing slot 723 to stably fix the Fresnel lens 60 to the housing 10.

[0087] Furthermore, in this application, the flash lamp 100 also includes at least one spectral adjustment element 30. The spectral adjustment element 30 is disposed on the light emission path of the lamp tube 20, and the spectral adjustment element 30 is used to adjust the spectral distribution of the flash light emitted by the lamp tube 20.

[0088] In some embodiments of this application, multiple spectral adjustment elements 30 may be provided, and at least one spectral adjustment element 30 is provided on the light emission path of each lamp tube 20. The range of spectral distribution adjusted by the spectral adjustment element 30 corresponding to each lamp tube 20 is different.

[0089] Each lamp tube 20 can independently output a specific range of spectrum. By combining the spectral ranges of different adjustment components, multispectral mixed output can be achieved to meet the shooting scenarios with complex requirements for spectral distribution. Each spectral adjustment component 30 acts independently on its corresponding lamp tube 20, and can achieve independent adjustment or combined output of the spectrum through independent circuit control.

[0090] In some examples, the spectral adjustment element 30 can be a sheet-like structure, i.e., a filter. A filter can absorb or transmit light of a specific wavelength to adjust the spectrum of the flash light. Specifically, the spectral adjustment element 30 can be a CTO (Color Temperature Orange) filter, a CTB (Color Temperature Blue) filter, etc.

[0091] The sheet-like spectral adjustment element 30 can be disposed in the installation space and arranged on the side of the lamp tube 20 facing the flash window 101. In this example, the sheet-like spectral adjustment element 30 can also be directly disposed at the flash window 101. The spectral adjustment element 30 can be disposed independently at the flash window 101 in place of the Fresnel lens 60, or it can be superimposed on the surface of the Fresnel lens 60 and disposed at the flash window 101.

[0092] like Figure 7 As shown, the sheet-like spectral adjustment element 30 can be disposed on the outer surface of the Fresnel lens 60. The Fresnel lens 60 can converge or diffuse flash light, and the spectral adjustment element 30 can directly act on the light processed by the Fresnel lens 60 to precisely filter or adjust the target spectrum, avoiding spectral attenuation or stray light interference caused by multiple reflections and refractions of the flash light internally, thereby improving the spectral adjustment efficiency of the flash light.

[0093] Furthermore, the spectral adjustment component 30 and the Fresnel lens 60 are stacked at the flash window 101, eliminating the need to design a complex fixing structure for the spectral adjustment component 30 separately in the installation space. This reduces the number of parts and assembly steps, lowers the overall size and weight, and improves the compactness of the flash lamp 100.

[0094] In some examples, the spectral modulator 30 can also be a film structure, which can be disposed on the surface of the Fresnel lens 60.

[0095] Specifically, the spectral adjustment element 30 can be a filter film. The Fresnel lens 60 can focus or diffuse the flash light through its own prism structure. The film-like spectral adjustment element 30 can directly act on the flash light before and after the adjustment, avoiding light scattering or edge refraction loss caused by the thickness of the spectral adjustment element 30 itself, and improving the purity of the spectral adjustment.

[0096] In some examples, the spectral modulator 30 can also be a coating structure, which can be disposed on the surface of the lamp tube 20. The spectral modulator 30 can be a coating formed of a fluorescence conversion material, a filter coating, a wavelength conversion coating, etc.

[0097] The spectral adjustment component 30 is directly coated on the lamp tube 20 and can directly act on the light-emitting area of ​​the lamp tube 20. It can convert or filter the light when the flash light is generated, so as to prevent the unadjusted light energy from entering the subsequent optical system and reduce the loss of ineffective light energy.

[0098] In this example, a heat insulation element 80 can be installed in the installation space. The heat insulation element 80 is arranged on the side of the lamp tube 20 facing the flash window 101, and a spectral modulator 30 with a coating structure is disposed on the surface of the heat insulation element 80.

[0099] The heat insulation component 80 can be made of heat-insulating glass, ceramic, heat-insulating plastic, etc., and can be transparent. The heat insulation component 80 can act as a thermal barrier, isolating the heat generated when the lamp tube 20 is working and reducing the transfer of heat to the flash window 101 and the external environment. By placing the spectral adjustment component 30 with a coating structure on the surface of the heat insulation component 80, the heat insulation component can achieve precise spectral control while controlling the influence of the heat from the light source.

[0100] like Figure 8 As shown, in some embodiments of this application, for a flash lamp 100 with a heat insulation component 80, the spectrum adjustment component 30 may also be configured as a sheet structure.

[0101] Specifically, the flash unit 100 may include a Fresnel lens 60, which is disposed at the flash window 101. A heat insulation element 80 is disposed between the lamp tube 20 and the Fresnel lens 60, and a spectrum adjustment element 30 is disposed between the heat insulation element 80 and the Fresnel lens 60.

[0102] The heat insulation component 80 can form a barrier between the lamp tube 20 and the spectrum adjustment component 30, preventing the spectrum adjustment component 30 from being affected by the heat generated by the lamp tube 20, preventing the performance drift of the spectrum adjustment component 30 due to temperature changes, and ensuring stable and precise adjustment of the spectral distribution of the light emitted from the lamp tube 20.

[0103] For the flash unit of this application, a spectral adjustment component is provided on the light emission path of the lamp tube. The spectral adjustment component can adjust the spectral distribution of the flash light emitted by the lamp tube to specifically adjust the spectrum of the emitted light of a single lamp tube, such as changing the wavelength of the colored light or filtering specific bands. Furthermore, combined with the setting of the control unit to independently control multiple lamp tubes, the controller can mix flash light of different color temperatures by adjusting the trigger intensity or frequency of each lamp tube, so that the flash unit can meet a variety of different application scenarios, reduce the operating cost of lighting equipment, and improve the user experience.

[0104] Although the present invention has been described with reference to several typical embodiments, it should be understood that the terminology used is descriptive and exemplary, and not restrictive. Since the present invention can be embodied in many forms without departing from the spirit or essence of the invention, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims. Therefore, all variations and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A flash unit, characterized in that, include: The housing has an internal installation space, and the housing has multiple spaced flash windows that communicate with the installation space. Multiple lamps are provided and all are arranged in the installation space. The flash light emitted by the lamps can be emitted through the flash window and exit the housing. A control unit is disposed in the installation space. The control unit includes a controller and multiple energy storage modules electrically connected to the controller. The multiple energy storage modules are electrically connected to multiple lamps in a one-to-one correspondence. The energy storage modules can be connected to a power supply to store the energy required for the lamps to emit flashing light. The controller can independently control each energy storage module according to a flashing control command to make the energy storage module conduct with the corresponding lamp. At least one spectral adjustment element is provided, which is disposed on the light emission path of the lamp tube and is used to adjust the spectral distribution of the flash light emitted by the lamp tube.

2. The flash unit according to claim 1, characterized in that, The spectral adjustment device is provided in multiple ways, and at least one spectral adjustment device is provided on each of the light emission paths of the lamp tube. The range of spectral distribution adjusted by the spectral adjustment device corresponding to each lamp tube is different.

3. The flash unit according to claim 1, characterized in that, The spectral adjustment element is a sheet-like structure, disposed in the mounting space, and arranged on the side of the lamp tube facing the flash window; and / or, The spectral adjustment element is a sheet-like structure and is disposed at the flash window.

4. The flash unit according to claim 1, characterized in that, The flash unit also includes a Fresnel lens disposed at the flash window, and the spectral adjustment element is a film structure disposed on the surface of the Fresnel lens; and / or, The flash unit also includes a Fresnel lens, which is disposed at the flash window. The spectral adjustment element is a sheet-like structure, which is disposed at the flash window and arranged outside the Fresnel lens.

5. The flash unit according to claim 1, characterized in that, The spectral adjustment element has a coating structure and is disposed on the surface of the lamp tube; and / or, The spectral adjustment component has a coating structure, and the flash lamp also includes a heat insulation component disposed in the installation space. The heat insulation component is arranged on the side of the lamp tube facing the flash window, and the spectral adjustment component is disposed on the surface of the heat insulation component.

6. The flash unit according to claim 1, characterized in that, The flash unit also includes a Fresnel lens and a heat insulation component. The Fresnel lens is disposed at the flash window. The heat insulation component is disposed between the lamp tube and the Fresnel lens. The spectral adjustment component is disposed between the heat insulation component and the Fresnel lens.

7. The flash unit according to claim 1, characterized in that, The flash unit also includes a transformer module. Each of the lamp tubes is equipped with an independent transformer module. The transformer module is electrically connected to the power supply and the energy storage module. The transformer module can convert the low-voltage current of the power supply into a high-voltage current to charge and store energy for the energy storage module.

8. The flash unit according to claim 7, characterized in that, The flash lamp also includes a trigger module. Each lamp tube is equipped with an independent trigger module, which is electrically connected to the controller. The controller can output a trigger command to the corresponding trigger module according to the flash control command, so as to ionize the medium inside the corresponding lamp tube and cause the energy storage module to discharge to the corresponding lamp tube, so that the corresponding lamp tube emits flash light.

9. The flash unit according to claim 1, characterized in that, The flash unit also includes a reflector cup disposed in the mounting space, the reflector cup having a reflective surface facing the flash window; the lamp tube is disposed in the reflector cup, and the flash light emitted by the lamp tube can be reflected by the reflective surface and emitted out of the flash window.

10. The flash unit according to claim 9, characterized in that, The reflector cups are provided in multiple locations, and the multiple reflector cups are spaced apart in the installation space. The multiple lamp tubes are correspondingly arranged in the multiple reflector cups; and / or, The reflector cup is provided with several partitions to divide the interior of the reflector cup into several assembly areas, and each assembly area is provided with a lamp tube.

11. The flash unit according to claim 9, characterized in that, The flash unit also includes a bracket with a mounting slot, in which the reflector is disposed, and the bracket is detachably connected to the mounting space of the housing.

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