Overhead flash system

Abstract

The utility model relates to a kind of set-top flash lamp systems, belong to photographic camera equipment technical field, it includes flash lamp and face shell, flash lamp includes shell and the light outlet module being set in shell, shell is equipped with the light outlet for light, light outlet module is used to produce light and emit through light outlet. Face shell is detachably connected on the outer surface of the shell of flash lamp, so that user can replace face shell on shell according to demand, so as to realize the individualization customization of equipment appearance, and, face shell is used as decorative cover layer, simultaneously, the shell surface of flash lamp is effectively protected, can effectively prevent shell surface scratch, wear and tear and aging in daily use, carrying, installation process, improve the overall quality of product and user experience.

Description

Technical Field

[0001] This utility model relates to the field of photographic and video equipment technology, and in particular to an on-camera flash system. Background Technology

[0002] A flash is an auxiliary lighting device commonly used in photography to provide instantaneous high-intensity light, improving lighting conditions and enhancing image quality. Especially in low-light or backlit conditions, a flash can effectively supplement light, preventing images from being too dark or producing noise. It is widely used in news, wedding, portrait, and product photography, among other fields.

[0003] Traditional on-camera flash units, designed for overall stability and longevity, typically use rigid plastic or metal housings in black or dark colors. However, with the increasing youthfulness and diverse aesthetic preferences of photography users, existing flash units with fixed colors and uniform designs are no longer sufficient to meet users' higher demands for personalized appearances. Furthermore, the surface of traditional on-camera flash units is easily scratched or worn during daily use and transport, affecting the overall aesthetics of the device. Utility Model Content

[0004] The purpose of this invention is to solve the technical problem that traditional on-camera flashes are easily scratched or worn, and do not meet the needs of users' personalized preferences.

[0005] To solve the above-mentioned technical problems, this application provides an on-camera flash system, including: a flash unit, which includes a housing and a light-emitting module disposed within the housing, the housing having a light-emitting port for emitting light, the light-emitting module for generating light and emitting it through the light-emitting port; and a faceplate, which is detachably connected to the outer surface of the flash unit's housing, allowing the user to replace the faceplate on the housing as needed.

[0006] In some embodiments of this application, the on-camera flash system includes multiple housing assemblies, each housing assembly including a pair of oppositely disposed housings; each housing includes a housing body and a snap-fit ​​portion disposed on the housing body, the housing body matching the outer contour of the flash housing, and the snap-fit ​​portions of the two housings in the same group being detachably connected to fix to the outer surface of the flash housing.

[0007] In some embodiments of this application, the snap-fit ​​portion includes a hook structure disposed on one of the face shells and a slot structure disposed on the other face shell; the hook structure can be elastically snapped into the slot structure to achieve a detachable connection between the two face shells in the same group.

[0008] In some embodiments of this application, the housing of the flash lamp is provided with a plurality of guide grooves, which extend along the mounting direction of the faceplate and are used to accommodate and guide the snap-fit ​​part so that the faceplate is accurately installed in a predetermined position.

[0009] In some embodiments of this application, the flash includes a body, a lamp head, and a boot mount. The boot mount is fixed to the bottom of the body, and the lamp head is rotatably connected to the top of the body. Both the lamp head and the outer shell of the body are provided with a pair of detachable faceplates, and the light outlet and the boot mount are exposed through the faceplates.

[0010] In some embodiments of this application, the faceplate includes a faceplate body and a first connecting portion disposed on the faceplate. The outer shell is provided with a second connecting portion corresponding to the first connecting portion. The first connecting portion and the second connecting portion are detachably connected, so that the faceplate is detachably connected to the outer shell of the flash lamp.

[0011] In some embodiments of this application, the first connecting part is a magnetic element disposed on the face shell body, and the second connecting part is a magnet disposed on the outer shell. The magnet is disposed opposite to the magnetic element, and the magnet on the outer shell can attract the magnetic element on the face shell so that the face shell is attached to the outer surface of the face shell.

[0012] In some embodiments of this application, the first connecting part is an elastic hook protruding from the face shell body, and the second connecting part is a fixing groove recessed in the outer shell. The elastic hook can be inserted into and held in the fixing groove, thereby realizing a detachable connection between the face shell and the outer shell.

[0013] In some embodiments of this application, the depth of the fixing groove gradually decreases along its extension direction to form a deep groove end and a shallow groove end; when the elastic hook on the face shell is inserted into the deep groove end of the fixing groove on the outer shell, the face shell is engaged with the outer shell; when the elastic hook on the face shell slides along the extension direction of the fixing groove to the shallow groove end and disengages from the fixing groove, the face shell disengages from the outer shell.

[0014] In some embodiments of this application, the thickness of the face shell is less than the thickness of the outer shell; the outer surface of the face shell is provided with a plush layer or a surface treatment layer.

[0015] As can be seen from the above technical solution, the beneficial effects of this application are as follows:

[0016] This application provides an on-camera flash system that allows users to easily replace different styles of faceplates on the outer surface of the flash unit's housing, thus achieving personalized customization of the device's appearance and satisfying diverse aesthetic needs in terms of color, pattern, and material. The faceplate serves as a decorative covering layer while also effectively protecting the flash unit's housing surface, preventing scratches, wear, and aging during daily use, carrying, and installation. This extends the lifespan of the flash unit and enhances the overall product quality and user experience. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of an on-camera flash system in one embodiment.

[0018] Figure 2 for Figure 1 Exploded view of the on-camera flash system.

[0019] Figure 3 for Figure 1 Another exploded view of the on-camera flash system.

[0020] Figure 4 for Figure 1 A cross-sectional view of the on-camera flash system.

[0021] Figure 5 for Figure 1 A cross-sectional view of the head section of the on-camera flash system.

[0022] Figure 6 for Figure 5 Enlarged structural diagram at point A in the middle.

[0023] Figure 7 This is an exploded view of the on-camera flash system in another embodiment.

[0024] Figure 8 for Figure 7 Another angle of the exploded structure of the on-camera flash system.

[0025] The annotations in the attached figures are explained as follows:

[0026] 100. On-camera flash system; 10. Flash unit; 101. Housing; 102. Guide groove; 104. Second connecting part; 110. Lamp head; 111. Light outlet; 112. Light output module; 113. Rotating head; 114. Capacitor; 120. Body; 121. Battery; 122. Display screen; 123. Control buttons; 130. Shoe mount; 20. Front cover; 201. Front cover body; 202. Snap-fit ​​part; 2021. Hook structure; 2022. Slot structure; 203. First connecting part; 210. First front cover; 220. Second front cover; 230. Third front cover; 240. Fourth front cover; 241. Clearance hole. Detailed Implementation

[0027] Typical embodiments embodying the features and advantages of this application will be described in detail in the following description. It should be understood that this application can have various variations in different embodiments, all of which do not depart from the scope of this application, and the descriptions and illustrations therein are for illustrative purposes only and not intended to limit this application.

[0028] 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.

[0029] 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.

[0030] Please see the appendix Figures 1 to 8 This embodiment provides an on-camera flash system 100, which includes a flash 10 and a faceplate 20.

[0031] The flash unit 10 includes a housing 101 and a light-emitting module 112 disposed within the housing 101. The housing 101 has a light-emitting port 111 for emitting light, and the light-emitting module 112 generates light and emits it through the light-emitting port 111. A faceplate 20 is detachably connected to the outer surface of the housing 101 of the flash unit 10, allowing the user to replace the faceplate 20 on the housing 101 as needed.

[0032] Specifically, the flash unit 10 includes a light-emitting module 112 for generating light and a housing 101 covering the module. The light-emitting module 112 can be a xenon lamp assembly, an LED module, or other high-brightness light-emitting unit, which can emit instantaneous light pulses according to shooting control signals to supplement light or enhance scene brightness. The housing 101 is typically made of plastic, aluminum alloy, or other lightweight materials to protect the internal optics, circuitry, and heat dissipation structure. The housing 101 has a light-emitting port 111, which allows the light emitted by the light-emitting module 112 to be emitted in a set direction.

[0033] The faceplate 20 is a protective component installed on the exterior of the housing 101 of the flash unit 10, and it is detachably connected to the housing 101 of the flash unit 10. As a covering layer, the faceplate 20 provides physical protection to the surface of the housing 101, preventing scratches, paint peeling, or aging of the flash unit 10 during transportation, handling, or use. Furthermore, the detachable faceplate 20 provides users with personalized appearance options without affecting the normal function of the flash unit 10. For example, by changing the faceplate 20 to different colors, patterns, or materials (such as matte, leather, plush, etc.), the visual effect of the product and the user's personal expression can be enhanced.

[0034] During use, users can choose different faceplates 20 to replace the flash unit 10 depending on the shooting occasion, equipment style, or personal preference. For example, for casual everyday shooting, a faceplate 20 with a colorful pattern or custom printing can be used to highlight individuality. When the faceplate 20 is no longer needed, it can be easily removed to restore the flash unit 10 to its original state without affecting its basic lighting function.

[0035] In some embodiments, the thickness of the faceplate 20 is less than the thickness of the outer shell 101. Since the thickness of the faceplate 20 is less than the thickness of the outer shell 101 of the flash unit 10, it does not increase the overall size and weight of the device, maintaining the portability of the flash unit 10. The faceplate 20 is typically made of lightweight plastic or composite material, which ensures sufficient mechanical strength and durability while achieving a compact fit to the outer shell 101.

[0036] In some embodiments, the outer surface of the faceplate 20 may be provided with a plush layer or a surface treatment layer. The outer surface of the faceplate 20 is covered with a plush layer composed of soft, fine fibers, providing a warm and smooth feel and a premium texture, while also offering additional anti-slip functionality to prevent slipping during use.

[0037] The surface treatment layer on the housing 20 can be a film structure formed by spraying, coating, frosting, metal brushing, or other processes. This gives the outer surface of the housing 20 a rich variety of colors, textures, and gloss effects. Alternatively, specific photos, logos, or graffiti can be printed on the surface treatment layer of the housing 20 to meet users' personalized "modification" needs for the on-camera flash 10, satisfying the individual aesthetic preferences of different users. The surface treatment layer not only enhances the visual appeal of the housing 20 but also increases its wear resistance, stain resistance, and extends its service life.

[0038] Please see Figure 2 and Figure 3 In this embodiment, the flash unit 10 includes a body 120, a lamp head 110, and a mounting bracket 130. The mounting bracket 130 is fixed to the bottom of the body 120, the lamp head 110 is rotatably connected to the top of the body 120, and the light outlet 111 and the mounting bracket 130 are exposed on the front cover 20.

[0039] Specifically, in this embodiment, the body 120 and the lamp head 110 of the flash 10 are both composed of their corresponding outer shell 101 and internal structure. The lamp head 110 is located on the top of the body 120 and is rotatably connected by a rotating head 113 structure disposed between the two, so that the lamp head 110 can rotate relative to the body 120 around an axis to provide a flexible shooting angle.

[0040] The body 120 is the main supporting component of the flash unit 10. A removable battery 121 is housed within the casing 101 of the body 120, allowing users to replace the battery 121 at any time based on its power level, thus enhancing the continuous operation capability for outdoor shooting. The current output from the battery 121 is boosted by the capacitor 114 within the flash head 110 and then transmitted to the light-emitting module 112 within the flash head 110, causing the light-emitting module 112 to emit light, which is then emitted from the light outlet 111 of the flash head 110.

[0041] In some embodiments, the housing 101 of the camera body 120 may be provided with a display screen 122 and control buttons 123 electrically connected to the light-emitting module 112. The control buttons 123 are used to control the light parameters emitted by the light-emitting module 112, such as brightness, flash mode, duration, pre-flash, etc. The display screen 122 is used to display the current working status of the flash unit 10 in real time, such as battery level, voltage, output power, flash mode, temperature protection status, etc. The shoe mount 130 is disposed at the bottom of the camera body 120. The shoe mount 130 can be a cold shoe mount, which is used to interlock with the hot shoe on the top of the camera body to fix it to the top of the camera body; the shoe mount 130 can also be a hot shoe mount, which is fixed to the hot shoe on the top of the camera body and connects with the metal contacts of the hot shoe to achieve electrical signal connection, thereby completing functions such as trigger synchronization control and synchronized exposure.

[0042] Please see Figure 2 and Figure 3 In some embodiments, the on-camera flash system 100 may include multiple sets of faceplates, each set including a pair of faceplates 20 disposed opposite each other. Each faceplate 20 includes a faceplate body 201 and a snap-fit ​​portion 202 disposed on the faceplate body 201. The faceplate body 201 matches the outer contour of the outer shell 101 of the flash 10. The snap-fit ​​portions 202 of the two faceplates 20 in the same set are detachably connected to fit and fix to the outer surface of the outer shell 101 of the flash 10.

[0043] Specifically, this embodiment includes two sets of faceplate assemblies, corresponding to the body 120 and the head 110 of the flash unit 10, respectively. Each faceplate assembly includes two faceplates 20 arranged opposite each other, meaning the entire unit is equipped with a first faceplate 210, a second faceplate 220, a third faceplate 230, and a fourth faceplate 240. The four faceplates 20 are distributed on the top, bottom, left, and right sides of the flash unit 10, forming an integrated protective and decorative shell.

[0044] The first and second faceplates 210 and 220 form a faceplate group, which are respectively disposed on the top and bottom surfaces of the lamp head 110. The third and fourth faceplates 230 and 240 form a faceplate group, which are respectively disposed on the front and rear sides of the body 120. The faceplate body 201 is shaped according to the curvature or geometric shape of the installation location to ensure a tight fit or a fixed interval when installed, thereby forming a continuous and complete visual covering effect.

[0045] During assembly, the user can first attach the corresponding first shell 210 and second shell 220 to the upper and lower sides of the lamp holder 110 respectively, and connect them through the snap-fit ​​part 202, thereby locking the two shells 20 to form a surrounding shell assembly to cover the outer shell 101 of the lamp holder 110. Correspondingly, the third shell 230 and the fourth shell 240 are also attached to the front and rear sides of the body 120 respectively, and connected to each other through the snap-fit ​​part 202, thereby connecting the third shell 230 and the fourth shell 240 to form a surrounding shell assembly to cover the outer shell 101 of the body 120.

[0046] It should be understood that, in order to prevent obstruction of the display screen 122 and control buttons 123 on the body 120, in this embodiment, the fourth shell 240 may be provided with clearance holes 241 corresponding to the display screen 122 and control buttons 123 to prevent obstruction of the display screen 122 and control buttons 123.

[0047] Please see Figure 3 and Figure 6In some embodiments, the snap-fit ​​portion 202 includes a hook structure 2021 disposed on one faceplate 20 and a slot structure 2022 disposed on the other faceplate 20. The hook structure 2021 can be elastically snapped into the slot structure 2022 to achieve a detachable connection between the two faceplates 20 in the same group.

[0048] Specifically, the hook structure 2021 is a raised block structure; the slot structure 2022 is an open recessed slot. The slot structure 2022 has a limiting step or positioning surface inside. The two are matched in structural size and position to ensure the stability of the fit and the reliability of locking during assembly.

[0049] During installation, the user attaches the two opposing faceplates 20 to the corresponding sides of the flash lamp 10 housing 101, and moves the faceplate 20 with the hook structure 2021 toward the faceplate 20 with the slot structure 2022. When the two are pushed to the predetermined position, the hook structure 2021 undergoes elastic deformation and is temporarily compressed under force; as the pushing continues, the end of the hook structure 2021 passes the limiting surface in the slot structure 2022, and then automatically springs into the slot due to the elastic restoring force, achieving a locking engagement. At this point, the two faceplates 20 are reliably connected through the snap-fit ​​structure.

[0050] When disassembly is required, the user can manually press or gently push the corresponding position of the hook structure 2021 to cause the hook to spring inward and disengage from the limiting surface of the slot structure 2022; after the locking state is released, the two shells 20 can be separated in a direction away from each other. In some other embodiments, to improve ease of operation, recessed auxiliary curved surfaces or disassembly notches can be added to the edges of the hook structure 2021 or the shell 20, so that the user can more easily complete the release action without additional tools.

[0051] This snap-fit ​​design is simple in structure, low in manufacturing cost, and quick to install, making it particularly suitable for designs that allow for repeated assembly and personalized replacement. The fit between the hook structure 2021 and the slot structure 2022 ensures both stability during use and good disassembly efficiency, without affecting the function and operation of the flash unit 10.

[0052] Please see Figure 2 and Figure 3 In some embodiments, the housing 101 of the flash lamp 10 is provided with a plurality of guide grooves 102. The guide grooves 102 extend along the mounting direction of the faceplate 20. The guide grooves 102 are used to accommodate and guide the snap-fit ​​part 202 so that the faceplate 20 is accurately installed to the predetermined position.

[0053] Specifically, the housing 101 of the flash lamp 10 is provided with multiple guide grooves 102. These guide grooves 102 extend and are distributed along the installation direction of the faceplate 20 to provide an accurate insertion path for the snap-fit ​​part 202 on the faceplate 20, so that the installation process has good guidance and positioning accuracy.

[0054] Furthermore, the guide groove 102 is a partially thinned area of ​​the outer shell 101 body, and its width and depth are matched with the dimensions of the snap-fit ​​part 202. This allows the snap hook structure 2021 to be embedded and slide along the guide groove 102 during installation, avoiding interference between the outer shell 101 and the outer shell 20, which could lead to assembly difficulties or jamming. During assembly, when the user brings the outer shell 20 close to the outer shell 101 of the flash lamp 10 and pushes it along the direction of the guide groove 102, the snap hook structure 2021 can be precisely accommodated by the guide groove 102 and slide forward, ultimately locking with the snap-fit ​​structure 2022 of the other outer shell 20.

[0055] Please see Figure 7 and Figure 8 In some embodiments, the faceplate 20 includes a faceplate body 201 and a first connecting portion 203 disposed on the faceplate 20. The outer shell 101 is provided with a second connecting portion 104 corresponding to the first connecting portion 203. The first connecting portion 203 and the second connecting portion 104 are detachably connected so that the faceplate 20 is detachably connected to the outer shell 101 of the flash lamp 10.

[0056] Specifically, the housing 101 of the flash unit 10 is provided with a second connecting part 104. The shape and position of the second connecting part 104 correspond to the first connecting part 203 on the faceplate 20, enabling accurate docking during installation and detachable connection through methods such as plugging, snapping, adsorption, or sliding. This allows the faceplate 20 to be directly mounted onto the housing 101 of the flash unit 10, effectively simplifying the overall structural design and further reducing the complexity of production and assembly.

[0057] During assembly, the user can align the faceplate body 201 with the first connecting part 203 with the second connecting part 104 on the outer shell 101 and fix it by simply pressing, sliding or rotating. When disassembling, the user only needs to unlock or pull out in the predetermined direction to easily replace or remove the faceplate 20.

[0058] Please see Figure 7 and Figure 8 In some embodiments, the first connecting part 203 may be a magnetic element disposed on the faceplate body 201; the second connecting part 104 may be a magnet disposed on the outer shell 101. The magnet and the magnetic element are disposed opposite to each other, and the magnet on the outer shell 101 can attract the magnetic element on the faceplate 20 so that the faceplate 20 is attached to the outer surface of the faceplate 20.

[0059] Specifically, the first connecting part 203 is a magnetic component disposed inside the housing body 201. This magnetic component can be an iron sheet, magnetically conductive stainless steel, nickel-plated metal, or other materials capable of being magnetized and attracted. The second connecting part 104 is a magnet pre-positioned at a corresponding position on the housing 101 of the flash lamp 10. This magnet can be a neodymium iron boron strong magnet, and it is arranged face-to-face with the magnetic component.

[0060] During use, when the user brings the faceplate 20 close to the flash unit 10 housing 101, the magnets on the housing 101 automatically attract the magnetic components on the faceplate body 201, allowing the faceplate 20 to quickly and accurately adhere to the outer surface of the flash unit 10 housing 101. Because the magnetic attraction is a non-contact guiding and positioning method, it does not rely on a mechanical locking structure. Therefore, there is no need to align the locking points or apply additional pressure during installation; quick assembly can be completed simply by approaching the faceplate. For disassembly, the user only needs to gently pry the faceplate 20 from the edge with their fingers to overcome the magnetic attraction and peel it off the surface of the housing 101. The operation is simple and effortless, greatly improving the flexibility of faceplate 20 replacement and the user experience.

[0061] In some other embodiments, the first connecting part 203 may be an elastic hook protruding from the face shell body 201, and the second connecting part 104 may be a fixing groove recessed on the outer shell 101. The elastic hook can be inserted into and held in the fixing groove, thereby realizing a detachable connection between the face shell 20 and the outer shell 101.

[0062] The depth of the fixing groove gradually decreases along its extension direction to form a deep groove end and a shallow groove end. When the elastic hook on the face shell 20 is engaged with the deep groove end of the fixing groove on the outer shell 101, the face shell 20 is engaged with the outer shell 101. When the elastic hook on the face shell 20 slides along the extension direction of the fixing groove to the shallow groove end and disengages from the fixing groove, the face shell 20 disengages from the outer shell 101.

[0063] Specifically, the elastic hook on the faceplate 20 can be the same as the hook structure 2021 described above. Correspondingly, the housing 101 of the flash lamp 10 is provided with a fixing groove that matches the geometry of the elastic hook, and the structure of the fixing groove can be the same as the groove structure 2022 on the faceplate 20 described above. When the fixing groove is horizontally set on the lamp head 110, the fixing groove extends horizontally and has a gradually changing groove depth structure, with the end away from the light outlet 111 being the deep groove end and the end closer to the light outlet 111 being the shallow groove end.

[0064] During installation, the user aligns the faceplate 20 with the outer casing 101 and pushes it horizontally. The elastic hook springs back upon contact with the outer casing 101. After the hook passes the limiting step at the deep groove end, it automatically springs back due to restoring force and locks itself inside the deep groove end. At this point, the faceplate 20 is firmly held onto the surface of the outer casing 101 of the lamp holder 110. For disassembly, simply slide the faceplate 20 in the opposite direction of installation. The elastic hook slides from the deep groove end to the shallow groove end, and disengages from the groove after losing its holding depth at the shallow groove end, thus separating the faceplate 20 from the outer casing 101. Replacement can be done quickly without additional tools.

[0065] In summary, this application provides an on-camera flash system 100. By detachably mounting a faceplate 20 on the outer surface of the flash unit 10 housing 101, users can easily replace the faceplate 20 with different styles according to their needs, thereby achieving personalized customization of the device's appearance and satisfying diverse aesthetic requirements of different users regarding appearance color, pattern, and material. The faceplate 20 serves as a decorative covering layer and also effectively protects the surface of the flash unit 10 housing 101, preventing scratches, wear, and aging during daily use, carrying, and installation, extending the lifespan of the flash unit 10, and improving the overall product quality and user experience.

[0066] Although this application 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 this application can be embodied in many forms without departing from the spirit or substance of the application, 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. An on-camera flash system, characterized in that, include: A flash unit includes a housing and a light-emitting module disposed within the housing. The housing has a light-emitting port for emitting light, and the light-emitting module is used to generate light and emit it through the light-emitting port. A faceplate, which is detachably attached to the outer surface of the flash housing, allows the user to replace the faceplate as needed.

2. The on-camera flash system according to claim 1, characterized in that, The on-camera flash system includes multiple housing assemblies, each housing assembly including a pair of oppositely arranged housings; each housing includes a housing body and a snap-fit ​​portion disposed on the housing body, the housing body matching the outer contour of the flash housing, and the snap-fit ​​portions of the two housings in the same group being detachably connected to fix them to the outer surface of the flash housing.

3. The on-camera flash system according to claim 2, characterized in that, The snap-fit ​​part includes a hook structure disposed on one of the face shells and a slot structure disposed on the other face shell; the hook structure can be elastically snapped into the slot structure to realize a detachable connection between the two face shells in the same group.

4. The on-camera flash system according to claim 3, characterized in that, The flash unit has multiple guide grooves on its housing, which extend along the mounting direction of the housing. The guide grooves are used to accommodate and guide the snap-fit ​​part so that the housing is accurately installed in the predetermined position.

5. The on-camera flash system according to claim 2, characterized in that, The flash unit includes a body, a lamp head, and a boot mount. The boot mount is fixed to the bottom of the body, and the lamp head is rotatably connected to the top of the body. Both the lamp head and the outer shell of the body are provided with a pair of detachable faceplates, and the light outlet and the boot mount are exposed through the faceplates.

6. The on-camera flash system according to claim 1, characterized in that, The faceplate includes a faceplate body and a first connecting part disposed on the faceplate. The outer shell is provided with a second connecting part corresponding to the first connecting part. The first connecting part and the second connecting part are detachably connected so that the faceplate is detachably connected to the outer shell of the flash lamp.

7. The on-camera flash system according to claim 6, characterized in that, The first connecting part is a magnetic element disposed on the face shell body, and the second connecting part is a magnet disposed on the outer shell. The magnet and the magnetic element are disposed opposite to each other. The magnet on the outer shell can attract the magnetic element on the face shell so that the face shell is attached to the outer surface of the face shell.

8. The on-camera flash system according to claim 6, characterized in that, The first connecting part is an elastic hook protruding from the face shell body, and the second connecting part is a fixing groove recessed in the outer shell. The elastic hook can be inserted into and held in the fixing groove, thereby realizing a detachable connection between the face shell and the outer shell.

9. The on-camera flash system according to claim 8, characterized in that, The depth of the fixing groove gradually decreases along its extension direction to form a deep groove end and a shallow groove end; when the elastic hook on the face shell is inserted into the deep groove end of the fixing groove on the outer shell, the face shell is engaged with the outer shell; when the elastic hook on the face shell slides along the extension direction of the fixing groove to the shallow groove end and disengages from the fixing groove, the face shell disengages from the outer shell.

10. The on-camera flash system according to claim 1, characterized in that, The thickness of the face shell is less than the thickness of the outer shell; the outer surface of the face shell is provided with a plush layer or a surface treatment layer.

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