Flash lamp

Abstract

The utility model relates to the technical field of images, and discloses a flash lamp which comprises a shell, a lens, an air supply assembly and a flow guide part, the shell is provided with a containing cavity with an opening in one end, the lens is installed in the opening, and the air supply assembly and the flow guide part are arranged in the containing cavity. The shell is provided with an air outlet and an air inlet, the flow guide part is opposite to the air inlet, and the air supply assembly can guide air outside the shell into the containing cavity through the air inlet and guide the air out of the shell through the air outlet. The flow guide part can guide at least part of the airflow entering the containing cavity to the lens, so that the lens is cooled, the risk that the lens deforms due to temperature change is reduced, and the service life of the flash lamp is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of imaging, in particular to a flash lamp. Background Art

[0002] During the shooting process, the flash lamp will flash continuously, which can easily increase the temperature inside the flash lamp. If the heat is not dissipated in time, the Fresnel lens group components inside the flash lamp will be easily aged and deformed, affecting the shooting effect. In the related art, the heat dissipation fan guides the airflow to dissipate the heat of the lamp inside the flash lamp, thereby reducing the temperature inside the flash lamp. However, the airflow carrying heat through the lamp tube will act on the Fresnel lens, which is not conducive to the heat dissipation of the Fresnel lens. Utility Model Content

[0003] The main purpose of the utility model is to provide a flash lamp, aiming to solve the technical problem of how to effectively dissipate heat for a lens.

[0004] To achieve the above object, the utility model provides a flashlight, which is characterized by comprising:

[0005] A shell having a receiving cavity with an opening at one end, and the shell is provided with an air outlet and an air inlet;

[0006] A lens mounted in the opening;

[0007] An air supply assembly, disposed in the accommodating chamber, for introducing air outside the housing into the accommodating chamber from the air inlet, and discharging air in the accommodating chamber from the air outlet;

[0008] A flow guide is provided in the accommodating cavity, the flow guide is opposite to the air inlet, and is used for guiding at least part of the airflow introduced into the accommodating cavity from the air inlet to the lens.

[0009] In one embodiment, the guide member includes a first end and a second end, the first end is connected to the shell, the first end is arranged on the side of the air inlet away from the lens, and the first end is arranged around the circumference of the air inlet, and the second end extends in a direction close to the lens and away from the air inlet.

[0010] In one embodiment, the second end and the inner wall of the housing together define a port, and the lens has a first plane, and the first plane is parallel to the end surface of the lens on one side close to the accommodating cavity;

[0011] Wherein, an angle formed by the axis of the port and the first plane is less than 90 degrees, and the axis is inclined toward an end of the lens away from the air inlet.

[0012] In one embodiment, the lens has a first plane, and the first plane is parallel to the end surface of the lens on one side close to the accommodating cavity;

[0013] The first end has a first wall surface, the second end has a second wall surface, and the angle formed by the first wall surface and the first plane is greater than the angle formed by the second wall surface and the first plane.

[0014] In one embodiment, the flow guide further includes a connecting portion, wherein the connecting portion is located at the first end and is threadedly connected to the shell.

[0015] In one embodiment, the guide member includes a main body, a first side portion and a second side portion, the first side portion, the main body and the second side portion are sequentially arranged around the air inlet, and the first side portion and the second side portion are arranged opposite to each other.

[0016] In one embodiment, the guide member is further provided with a transition portion, which is arranged between the first side portion and the main body portion to connect the first side portion and the main body portion, and the transition portion is also arranged between the second side portion and the main body portion to connect the second side portion and the main body portion, and the side of the transition portion facing away from the accommodating cavity is configured as an arc.

[0017] In one embodiment, the air outlet and the air inlet are arranged on two adjacent sides of the shell.

[0018] In one embodiment, the flash lamp further includes a heat sink, the air supply assembly is connected to a side of the heat sink facing away from the accommodating cavity, and the side of the heat sink facing away from the accommodating cavity abuts against the shell.

[0019] In one embodiment, the flash further includes a lighting assembly, which includes a lighting lamp and a lighting bracket, wherein the lighting lamp is configured to emit light toward the lens, the lighting lamp is installed on a side of the lighting bracket close to the lens, and the lighting bracket abuts against a side of the heat sink close to the lens.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] In the technical solution of the utility model, the flash includes a shell, a lens, an air supply assembly and a guide member. The shell has a accommodating cavity with an opening at one end, and the lens is installed in the opening so that light can pass through the opening and be focused by the lens to irradiate the photographed object. The air supply assembly and the guide member are arranged in the accommodating cavity, and the shell can provide protection for various components arranged in the accommodating cavity. The shell is provided with an exhaust port and an air inlet, and the guide member is opposite to the air inlet so as to change the flow direction of the airflow. The air supply assembly can guide the air outside the shell into the accommodating cavity from the air inlet and lead it out from the exhaust port. The guide member can guide at least part of the airflow entering the accommodating cavity to the lens, thereby dissipating heat and cooling the lens, reducing the risk of deformation of the lens due to temperature changes, and thus improving the service life of the flash. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0023] Figure 1 This is a schematic diagram of the three-dimensional structure of a flashlight in one embodiment of the utility model;

[0024] Figure 2 It is a left side view of a flashlight in one embodiment of the utility model;

[0025] Figure 3 In one embodiment of the utility model, the flash lamp is along Figure 2 Sectional view cut along the AA direction;

[0026] Figure 4 In one embodiment of the utility model, the flash lamp is Figure 3 An enlarged schematic diagram of the local B in the middle;

[0027] Figure 5 A top view of a flashlight in one embodiment of the utility model;

[0028] Figure 6 In one embodiment of the utility model, the flash lamp is along Figure 5 Sectional view cut along CC direction;

[0029] Figure 7 It is a schematic diagram of the structural decomposition of a flash lamp in one embodiment of the utility model.

[0030] Description of Figure Numbers:

[0031] 100 - flash light;

[0032] 110-housing; 111-air inlet; 112-air outlet; 113-accommodating chamber;

[0033] 120- lens; 121- first plane; 122- focusing part;

[0034] 130-air supply assembly;

[0035] 140-flow guide; 141-first end; 1411-first wall; 142-second end; 1421-second wall; 143-port; 144-connecting portion; 145-main body; 146-first side portion; 147-second side portion; 148-adapter;

[0036] 150- Radiator;

[0037] 160-lighting assembly; 161-lighting lamp; 162-lighting bracket;

[0038] 170-lamp tube;

[0039] 180-reflector;

[0040] 190-Lamp cover.

[0041] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0043] In order to effectively focus and direct the light generated by the lamp tube inside the flashlight, and improve the luminous effect and efficiency of the flashlight, the flashlight is provided with a Fresnel lens. During the operation of the flashlight, heat is generated due to processes such as power conversion, charge release, and continuous flashing of the lamp tube. If the heat is radiated to the Fresnel lens, it will cause the Fresnel lens to age or even deform, affecting the luminous effect of the flashlight. In the related art, a cooling fan is usually provided in the flashlight to allow the air outside the flashlight to enter the flashlight to dissipate the heat of the lamp tube, thereby reducing the temperature inside the flashlight and indirectly achieving the effect of dissipating the heat of the Fresnel lens. However, the applicant has found that the heat received by the Fresnel lens also comes from light emission, so only dissipating the heat and cooling the lamp tube cannot effectively achieve the heat dissipation of the Fresnel lens. In addition, since the airflow obtains heat at the lamp tube, the heat carried by the airflow will act on the Fresnel lens during the process of the airflow being guided out of the flashlight or when the airflow is reflected to the Fresnel lens when dissipating the heat of the lamp tube. Even if the airflow can dissipate the heat of the lamp tube, the Fresnel lens will be affected by the airflow carrying the heat. If a specific heat dissipation channel is provided for air flow to prevent the air flow carrying heat from affecting the Fresnel lens, the flash will become too large, inconvenient to carry or even use, and will also increase the difficulty of designing the flash, resulting in an increase in the manufacturing cost of the flash.

[0044] For this reason, please see Figures 1 to 7 The utility model proposes a flash 100, which can be used in a shooting device to illuminate and fill in the shooting process. The flash 100 includes a housing 110, a lens 120, an air supply assembly 130 and a guide 140, wherein the housing 110 has a housing cavity 113 with an opening at one end, and the housing 110 is provided with an exhaust port 112 and an air inlet 111. It should be noted that the number of the exhaust ports 112 can be one or more, and the specific number can be set according to actual needs. The lens 120 is installed at the opening, and the lens 120 includes but is not limited to a Fresnel lens 120. The air supply assembly 130 is arranged in the housing cavity 113, and the air supply assembly 130 can introduce the air outside the housing 110 into the housing cavity 113 from the air inlet 111, and export the air in the housing cavity 113 from the exhaust port 112. The air supply assembly 130 may include a fan. In one embodiment, the fan may be disposed at the air inlet 111 to change the air pressure at the air inlet 111 so that the air outside the housing 110 can enter the accommodating chamber 113. In another embodiment, the fan may also be disposed at the air outlet 112 to change the air pressure at the air outlet 112 so that the air in the accommodating chamber 113 is discharged outside the housing 110.

[0045] See also Figure 3 and Figure 6, the guide member 140 is also disposed in the accommodating chamber 113. The guide member 140 may be disposed at the air inlet 111 and opposite to the air inlet 111, so as to guide at least part of the air introduced into the accommodating chamber 113 from the air inlet 111 to the lens 120, thereby dissipating heat from the lens 120. In one embodiment, the guide member 140 can guide all the air introduced into the accommodating chamber 113 from the air inlet 111 to the lens 120. In another embodiment, the guide member 140 can guide part of the air introduced into the accommodating chamber 113 from the air inlet 111 to the lens 120, and the rest of the air can be guided to the flash lamp 170 or other components that generate heat during operation.

[0046] Please note that Figure 7 The flashlight 100 also includes a lamp tube 170 and a reflector 180 for flashing. The reflector 180 is used to focus the light emitted by the lamp tube 170 to enhance the brightness and intensity of the light. The lamp tube 170 and the reflector 180 are both disposed in the accommodating cavity 113. In one embodiment, the housing includes a first housing 110 and a second housing 110. The first housing 110 and the second housing 110 are detachably connected and together define the accommodating cavity 113. During the installation of the air supply assembly 130, the lamp tube 170, the reflector 180 and other components, the detachable design of the first housing 110 and the second housing 110 is conducive to the assembly of the air supply assembly 130, the lamp tube 170, the reflector 180 and other components. The housing can provide protection for the lens 120, the air supply assembly 130, the lamp tube 170, the reflector 180 and other components to prevent foreign matter from affecting the normal operation of the flashlight 100.

[0047] See also Figure 6 Specifically, the guide member 140 includes a first end 141 and a second end 142. The first end 141 is connected to the housing 110 and is disposed on a side of the air inlet 111 away from the lens 120, thereby changing the flow direction of the air entering the accommodating chamber 113 through the air inlet 111. The first end 141 is disposed around the circumference of the air inlet 111, so that the guide member 140 can effectively guide the air to avoid the airflow being blocked by the guide member 140 and bypassing the guide member 140 along the circumference of the air inlet 111. The second end 142 extends in a direction close to the lens 120 and away from the air inlet 111, thereby changing the flow path of the air entering the accommodating chamber 113, so that the air can flow along the extension direction of the guide member 140 and finally act on the lens 120, thereby achieving heat dissipation of the lens 120.

[0048] The second end 142 and the inner wall of the housing 110 define a port 143 together. The lens 120 has a first plane 121, which is parallel to the end surface of the lens 120 close to the accommodating cavity 113. Figure 6 , the angle formed by the axis of the port 143 and the first plane 121 is less than 90 degrees, so that the port 143 of the second end 142 is inclined relative to the end surface of the lens 120 close to the accommodating cavity 113, so that the airflow can increase the coverage area of ​​the end surface of the lens 120 close to the accommodating cavity 113 under the guidance of the air guide 140, improve the heat dissipation effect of the lens 120 and ensure the temperature uniformity of the lens 120. The axis of the port 143 is inclined toward the end of the lens 120 away from the air inlet 111, which reduces the airflow resistance and facilitates the airflow to flow out of the air guide 140 smoothly, reduces the probability of the airflow being affected by the port 143 of the second end 142, and increases the amount of airflow flowing to the lens 120. In another embodiment, the axis of the port 143 can also be inclined toward the end of the lens 120 close to the air inlet 111, that is, the port 143 of the second end 142 is inclined toward the direction close to the air inlet 111.

[0049] The first end 141 has a first wall surface 1411, which can guide the airflow. The second end 142 has a second wall surface 1421, which can also guide the airflow. Figure 6 , the angle formed by the first wall surface 1411 and the first plane 121 is greater than the angle formed by the second wall surface 1421 and the first plane 121, thereby reducing the resistance encountered by the airflow in the process of flowing to the lens 120, and enhancing the stability of the airflow, so that the airflow can be more evenly distributed on the lens 120, achieving an effective heat dissipation effect. In other words, the inclination angle of the wall surface of the guide member 140 used to guide the airflow relative to the first plane 121 can be gradually reduced, so that the effective area of ​​the airflow guided by the guide member 140 on the lens 120 is increased, the heat dissipation effect of the lens 120 is better, and its temperature uniformity is also better.

[0050] In one embodiment, see Figure 4 , the guide member 140 also includes a connecting portion 144, which is located at the first end 141 and can be threadedly connected to the housing 110. Specifically, the connecting portion 144 can be arranged around the first end 141, and the connecting portion 144 can be provided with a mounting hole, the housing 110 is provided with a threaded hole, and the threaded fastener is passed through the mounting hole and the threaded hole and tightened so that the guide member 140 is fixed to the housing 110. In another embodiment, the guide member 140 can also be integrally formed with the housing 110, and the integral forming method includes but is not limited to injection molding. In another embodiment, the guide member 140 can also be connected to the housing 110 by welding.

[0051] See also Figure 4The air guide 140 includes a first side portion 146, a second side portion 147 and a main body portion 145. The first side portion 146, the main body portion 145 and the second side portion 147 are sequentially arranged around the air inlet 111, and the main body is arranged between the first side portion 146 and the second side portion 147. The first side portion 146 and the second side portion 147 are arranged opposite to each other. Specifically, the first side portion 146, the main body portion 145 and the two side portions cooperate with each other to increase the air flow of the air entering the accommodating cavity 113 through the air inlet 111 to guide the lens 120, so that the lens 120 can be effectively cooled and prevented from being aged and deformed due to the influence of temperature.

[0052] The guide member 140 is further provided with a transition portion 148, which is disposed between the first side portion 146 and the main body portion 145 to connect the first side portion 146 and the main body portion 145. The transition portion 148 is also disposed between the second side portion 147 and the main body portion 145 to connect the second side portion 147 and the main body portion 145. The side of the transition portion 148 facing away from the accommodating cavity 113 is configured to be arc-shaped, see Figure 4 That is, the connection between the first side portion 146 and the main body 145 and the connection between the second side portion 147 and the main body 145 are set to be arc-shaped, which is conducive to reducing the phenomenon of vortex generation in the airflow and the airflow disturbance caused by right-angle or acute-angle turns, so that the airflow can be stably guided to the lens 120 through the guide member 140, reducing the airflow resistance, and also reducing the probability of noise and vibration, effectively improving the flow rate and stability of the airflow.

[0053] In order to improve the heat dissipation effect of the flash lamp 100, in one embodiment, refer to Figure 1 and Figure 6 , the air outlet 112 and the air inlet 111 are arranged on two adjacent sides of the housing 110. When the air outside the housing 110 flows into the accommodating chamber 113 from the air inlet 111, and flows to the lens 120 through the guide 140. Since the airflow still has kinetic energy after leaving the guide 140, the air outlet 112 and the air inlet 111 are arranged on two adjacent sides of the housing 110. Therefore, after the airflow acts on the lens 120, it will rebound under the action of kinetic energy and contact other components (such as the lamp tube 170) in the accommodating chamber 113, and will not directly flow out of the accommodating chamber 113, so that other components can be cooled. Among them, since the lamp tube 170 needs to emit light to the lens 120, the temperature of the lamp tube 170 is higher than that of the lens 120. The airflow after cooling the lens 120 first rebounds to the lamp tube 170, and the temperature of the airflow is lower than that of the lamp tube 170. Therefore, the lamp tube 170 can achieve heat dissipation under the action of the airflow rebounding from the lens 120.

[0054] In one embodiment, in order to prevent the airflow after acting on the lamp tube 170 from moving in the accommodating chamber 113 and affecting other components, the exhaust port 112 can be arranged at a position of the housing 110 close to the lamp tube 170. In another embodiment, in order to effectively discharge the airflow carrying heat in the accommodating chamber 113 out of the housing 110, see Figure 7 The housing 110 is provided with two exhaust ports 112, which are disposed on opposite sides of the housing 110, and both exhaust ports 112 are disposed at positions of the housing 110 close to the lamp tube 170 (see Figure 6 ), so that the airflow after cooling the lens 120 can flow to the lamp tube 170 to dissipate the heat of the lamp tube 170, and the airflow after acting on the lamp tube 170 can be discharged from the housing cavity 113 in time. In one embodiment, the flashlight 100 is provided with a reflector 180, and the reflector 180 has a avoidance portion, which is arranged at the exhaust port 112, so that the airflow in the housing cavity 113 can flow to the outside of the housing 110 through the exhaust port 112.

[0055] In one embodiment, the air inlet 111 is arranged at the bottom of the housing 110 (the bottom refers to the side of the housing 110 close to the ground), so the air outlet 112 is arranged on one or more sides of the housing 110 adjacent to the air inlet 111. Since hot air rises and cold air sinks, the air inlet 111 is arranged at the bottom of the housing 110 so that the air supply component 130 can obtain air with a lower temperature. When the airflow that has completed the heat dissipation of the lens 120 (and the lamp 170) flows into the air outside the housing 110 through the air outlet 112 that is not arranged on the same side as the air inlet 111, the hot air will rise, thereby preventing the hot airflow discharged from the housing 110 from entering the accommodating cavity 113 again through the air inlet 111, affecting the heat dissipation effect of the lens 120.

[0056] See also Figures 3 to 7The flashlight 100 further includes a radiator 150, which is disposed in the accommodating cavity 113, and the side of the radiator 150 facing away from the accommodating cavity 113 abuts against the housing 110. The side of the radiator 150 close to the housing 110 is provided with fins, which can increase the contact area between the radiator 150 and the air, so that the heat can be quickly dissipated. In one embodiment, the radiator 150 is disposed at the air inlet 111, and the radiator 150 is provided with a mounting position for the air supply component 130. Specifically, the radiator 150 is provided with a avoidance hole, which is connected to the air inlet 111, and the air supply component 130 is installed at the mounting position, and the air supply component 130 covers the avoidance hole. When the air supply component 130 is working, the air outside the housing 110 can enter the accommodating cavity 113 through the air inlet 111, the air supply component 130 and the avoidance hole in sequence. In another embodiment, the flashlight 100 further includes a reflector 180, and the heat sink 150 is disposed between the reflector 180 and the housing 110, that is, the side of the heat sink 150 close to the accommodating cavity 113 abuts against the reflector 180, and the side of the heat sink 150 away from the accommodating cavity 113 abuts against the housing 110. Therefore, the heat sink 150 can also play a role in dissipating heat from the reflector 180.

[0057] See also Figure 6 and Figure 7 The flash 100 also includes a lighting assembly 160, which includes a lighting lamp 161 and a lighting bracket 162 for mounting the lighting lamp 161. The lighting lamp 161 can emit stable and continuous light to the lens 120, so that the shooting device can focus in insufficient light or the photographer can preview the effect of the subject under the flash 100, so as to adjust the shooting angle, composition and other parameters. In one embodiment, the lighting lamp 161 can be an LED lamp, and the lighting bracket 162 can be a PCB board. The side of the lighting bracket 162 facing away from the lens 120 is in contact with the side of the radiator 150 close to the lens 120, so that the radiator 150 can also dissipate heat for the lighting lamp 161.

[0058] In order to focus the light emitted by the illuminating lamp 161, the lens 120 is provided with a focusing portion 122 protruding toward the illuminating lamp 161, see Figure 6The flash 100 is also provided with a lamp cover 190, which can be buckled on the side of the lens 120 away from the accommodating cavity 113, so as to protect the lens 120 and prevent foreign objects from scratching or damaging the lens 120. In one embodiment, the lamp cover 190 is configured to be transparent so that the light emitted from the lens 120 can illuminate the photographed object. In another embodiment, the lamp cover 190 is configured as a light-proof structure, which is detachably connected to the housing 110. When the flash 100 needs to be used, the lamp cover 190 is opened. When the flash 100 is not needed, the lamp cover 190 is buckled on the side of the lens 120 away from the accommodating cavity 113.

[0059] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0060] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or", "and / or" or "and / or" appears in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0061] The above are only preferred embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A flash lamp, characterized in that include: A shell having a receiving cavity with an opening at one end, and the shell is provided with an air outlet and an air inlet; A lens mounted in the opening; An air supply assembly, disposed in the accommodating chamber, for introducing air outside the housing into the accommodating chamber from the air inlet, and discharging air in the accommodating chamber from the air outlet; A flow guide is provided in the accommodating cavity, the flow guide is opposite to the air inlet, and is used for guiding at least part of the airflow introduced into the accommodating cavity from the air inlet to the lens.

2. The flash lamp according to claim 1, wherein: The guide member includes a first end and a second end, the first end is connected to the shell, the first end is arranged on the side of the air inlet away from the lens, and the first end is arranged around the circumference of the air inlet, and the second end extends in a direction close to the lens and away from the air inlet.

3. The flash lamp according to claim 2, characterized in that The second end and the inner wall of the shell together define an outlet port, the lens has a first plane, and the first plane is parallel to the end surface of the lens on one side close to the accommodating cavity; Wherein, an angle formed by the axis of the port and the first plane is less than 90 degrees, and the axis is inclined toward an end of the lens away from the air inlet.

4. The flashlight as claimed in claim 2, characterized in that The lens has a first plane, and the first plane is parallel to the end surface of the lens on one side close to the accommodating cavity; The first end has a first wall surface, the second end has a second wall surface, and the angle formed by the first wall surface and the first plane is greater than the angle formed by the second wall surface and the first plane.

5. The flashlight as claimed in claim 2, characterized in that The flow guide also includes a connecting portion, which is located at the first end and is threadedly connected to the shell.

6. The flashlight according to claim 1, wherein: The air guide member includes a main body, a first side portion and a second side portion. The first side portion, the main body and the second side portion are sequentially arranged around the air inlet, and the first side portion is arranged opposite to the second side portion.

7. The flash lamp according to claim 6, characterized in that The guide member is also provided with a transition portion, which is arranged between the first side portion and the main body portion to connect the first side portion and the main body portion. The transition portion is also arranged between the second side portion and the main body portion to connect the second side portion and the main body portion. The side of the transition portion facing away from the accommodating cavity is configured in an arc shape.

8. The flash lamp according to claim 1, wherein: The air outlet and the air inlet are arranged on two adjacent sides of the shell.

9. The flash lamp according to claim 1, wherein: The flash lamp further includes a heat sink, the air supply assembly is connected to a side of the heat sink away from the accommodating cavity, and the side of the heat sink away from the accommodating cavity abuts against the shell.

10. The flash lamp according to claim 9, wherein: The flash also includes a lighting assembly, which includes a lighting lamp and a lighting bracket. The lighting lamp is configured to emit light toward the lens. The lighting lamp is installed on a side of the lighting bracket close to the lens, and the lighting bracket abuts against a side of the heat sink close to the lens.

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