Spotlight with excellent heat dissipation effect
By incorporating a combination of heat dissipation fins and a fan into the spotlight, the problem of poor heat dissipation in the spotlight is solved, achieving excellent heat dissipation effect and convenient component operation, thus extending the service life of the spotlight.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-20
- Publication Date
- 2026-03-20
AI Technical Summary
Spotlights have poor heat dissipation when operating at high power, leading to heat buildup and affecting their lifespan.
A heat sink with heat dissipation fins is installed in the spotlight, and a fan is installed inside the heat sink to draw away hot air for active heat dissipation. At the same time, a mating groove structure with the port facing outward of the housing is designed to facilitate the assembly and disassembly of the components.
It improves the heat dissipation performance of the spotlight, extends its service life, and simplifies the assembly and maintenance of components.
Smart Images
Figure CN224018353U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lighting device field, concretely is a spotlight with excellent heat dissipation effect. BACKGROUND
[0002] As a kind of lamp that can provide high light intensity, it will produce a lot of heat energy in the process of high-power work, and the poor heat dissipation effect of spotlight is one of the common problems of spotlight, and it can easily affect the service life of spotlight.
[0003] Therefore, people improve spotlight for the problem of poor heat dissipation, increase the radiator structure with heat dissipation fins on spotlight to improve the heat dissipation performance of spotlight, by conducting heat to heat dissipation fins, increase the contact of shell and air by heat dissipation fins, thereby increase the heat dissipation area of shell to improve the heat dissipation efficiency of spotlight, but the heat dissipation rate of heat dissipation fins is influenced by the air flow speed outside heat dissipation fins, if the setting of heat dissipation fins on shell belongs to the structure of semi-open type, the air flow speed around heat dissipation fins will be slow, when spotlight works for a long time, a lot of heat energy is dissipated to air by heat dissipation fins, but it cannot be taken out to the space outside spotlight in time, therefore, the internal temperature of spotlight is still too high due to the heat energy accumulation of radiator structure. SUMMARY
[0004] In view of the technical defects in the background art, the utility model provides a spotlight with excellent heat dissipation effect, which solves the above technical problems and meets the actual needs, and the specific technical scheme is as follows:
[0005] A spotlight with excellent heat dissipation effect, the spotlight comprises a shell, the rear end of the shell is a radiator with a plurality of heat dissipation fins, a plurality of heat dissipation fins are circumferentially arranged on the outer edge of the radiator and jointly form a first matching groove in the middle of the radiator, a fan is arranged in the first matching groove, a second matching groove is arranged in the front end of the shell, a circuit board with a plurality of light emitting elements is arranged in the second matching groove, a plurality of light reflecting cups corresponding to the light emitting elements are arranged in the second matching groove in front of the circuit board, a sealing element, a light transmission plate and a fixing cover are sequentially arranged in the second matching groove in front of the light reflecting cups from inside to outside, and a fixing frame is movably connected to the outside of the radiator.
[0006] As a further embodiment of the utility model, a cover plate is arranged on the outside of the fan, a plurality of first through holes are circumferentially arranged on the cover plate, the edges of the cover plate and the fan are both arranged with first connecting holes in a matrix manner, the cover plate and the fan are fixedly connected with the radiator through first fixing elements connected into the first connecting holes, and the end of the first fixing element close to the cover plate is matched with a gasket.
[0007] As a further embodiment of the utility model, the fixed frame is in U shape, second connecting holes are arranged at the left and right ends of the fixed frame, the wall surface of the left and right sides of the radiator is provided with third connecting holes, the fixed frame is connected with the radiator through the second fixing member connected into the second connecting hole and the third connecting hole, and the shape of the second connecting hole is arc-shaped.
[0008] As a further embodiment of the utility model, the part of the fixed frame outside the second connecting hole is provided with a plurality of fourth connecting holes in the form of linear array distribution, the wall surface of the radiator outside the third connecting hole is provided with a plurality of fifth connecting holes in the form of linear array distribution, the fourth connecting hole and the fifth connecting hole have an inside-outside corresponding relationship on the rotating path of the fixed frame, the fourth connecting hole and the fifth connecting hole having the inside-outside corresponding relationship are connected with the third fixing member, and the cross-sectional shape of the fifth connecting hole is arc-shaped.
[0009] As a further embodiment of the utility model, the end of the fixed frame away from the radiator side is provided with a fixing base, the fixed frame and the fixing base are provided with sixth connecting holes, the fixing base is connected with the fixed frame through the fourth fixing member connected into the sixth connecting hole, the fixing base outside the sixth connecting hole is respectively provided with a clamping port and a fourth matching groove with a circular cross section, and the fixing base outside the fourth matching groove is provided with a fifth matching groove with a rectangular cross section.
[0010] As a further embodiment of the utility model, the edges of the sealing member, the light-transmitting plate and the fixed cover are all provided with a plurality of seventh connecting holes in the form of matrix distribution, the shell outside the second matching groove is provided with eighth connecting holes in the form of matrix distribution, the sealing member, the light-transmitting plate and the fixed cover are connected with the shell through the fifth fixing member connected into the seventh connecting hole and the eighth connecting hole, and the sealing member and the fixed cover are all provided with a plurality of second through holes corresponding to the light-reflecting cup in position.
[0011] As a further embodiment of the utility model, the radiator outside the fan is provided with a wiring seat, the wiring seat is connected with a power line through a joint, the power line is electrically connected with the circuit board, and the circuit board is electrically connected with the fan through the electric wire penetrating the shell wall surface between the first matching groove and the second matching groove.
[0012] The beneficial effects of the utility model are: the radiator in the spotlight can not only promote heat dissipation through the heat dissipation fins, but also is provided with a fan inside the radiator, the hot air inside the radiator is sucked away through the fan, active heat dissipation of the radiator is realized, the heat dissipation performance of the spotlight is improved, the spotlight is improved in heat dissipation efficiency, which is beneficial to prolong the service life of the spotlight, and the first matching groove and the second matching groove are both groove structures with the port facing outside the shell, so that the dismounting and mounting operation of the fan and the components of the light emitting end in the spotlight is convenient. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 The components in the first matching groove and the second matching groove of the spotlight are shown in the figure.
[0014] Figure 2 The structure at the rear end of the spotlight is shown in the figure.
[0015] Figure 3 The structure of the fan is shown in the figure.
[0016] Figure 4 The structure of the fixing frame is shown in the figure.
[0017] Figure 5 The structure of the fixing seat is shown in the figure.
[0018] Figure 6 The components of the light emitting end of the spotlight are shown in the figure.
[0019] In the figure, 1, shell; 11, radiator; 111, third connecting hole; 112, fifth connecting hole; 113, heat dissipation fin; 12, first matching groove; 13, second matching groove; 14, eighth connecting hole; 15, wiring seat; 151, power line; 2, fan; 21, cover plate; 211, first through hole; 22, first connecting hole; 23, first fixing piece; 24, gasket; 25, electric wire; 3, circuit board; 31, light emitting element; 4, reflecting cup; 5, sealing element; 6, light transmission plate; 7, fixing cover; 8, fixing frame; 81, second connecting hole; 82, second fixing piece; 83, fourth connecting hole; 84, third fixing piece; 85, fixing seat; 851, clamping port; 852, fourth matching groove; 853, fifth matching groove; 86, sixth connecting hole; 87, fourth fixing piece; 9, seventh connecting hole; 10, second through hole; 101, fifth fixing piece. DETAILED DESCRIPTION
[0020] The utility model discloses a spotlight with excellent heat dissipation effect, like Figures 1-3In combination shown, the spotlight comprises a housing 1, the rear end of the housing 1 is a heat sink 11 with several heat dissipation fins 113, several heat dissipation fins 113 are circumferentially arranged on the outer edge of the heat sink 11, and together form a first matching groove 12 in the middle of the heat sink 11, the first matching groove 12 is provided with a fan 2, the front end of the housing 1 is provided with a second matching groove 13, the second matching groove 13 is provided with a circuit board 3 with several light emitting elements 31, the second matching groove 13 in front of the circuit board 3 is provided with several light cups 4 corresponding to the light emitting elements 31, the second matching groove 13 in front of the light cups 4 is sequentially provided from inside to outside with a sealing element 5, a light transmission plate 6 and a fixed cover 7, the outer side of the heat sink 11 is movably connected with a fixed frame 8.
[0021] It should be noted that: when the spotlight is working, it is fixed on the surface of other objects through the fixed frame 8, the heat generated by the energized light emitting elements 31 can not only be transferred to the heat dissipation fins 113 for heat dissipation through heat conduction, but also can strengthen the air flow in the heat sink 11 through the fan 2, so as to exhaust the hot air in the housing 1 outside the heat sink 11, realize the active heat dissipation of the heat sink 11, improve the heat dissipation performance of the spotlight, make the spotlight improve the heat dissipation efficiency, and be beneficial to prolong the service life of the spotlight; and the fan 2 and the components at the light emitting end of the spotlight are respectively arranged through the first matching groove 12 and the second matching groove 13, the first matching groove 12 and the second matching groove 13 are both groove structures with the port facing the outside of the housing 1, so that the components can be conveniently arranged when the spotlight is assembled, and the internal components of the housing 1 can be observed directly and the components can be conveniently disassembled when maintained.
[0022] It should be further pointed out that, as Figure 2 and Figure 3 In combination shown, the outer side of the fan 2 is provided with a cover plate 21, the cover plate 21 is circumferentially provided with several first through holes 211, the edges of the cover plate 21 and the fan 2 are both provided with first connection holes 22 in a matrix manner, the cover plate 21 and the fan 2 are fixedly connected with the heat sink 11 through the first fixing elements 23 connected into the first connection holes 22, the end of the first fixing element 23 close to the cover plate 21 is matched with a gasket 24.
[0023] The cover plate 21 can avoid direct impact of foreign objects on the impeller of the fan 2, and the fan 2 is protected. The fan 2 is fixed in the radiator 11 and the cover plate 21 is fixed at the end of the fan 2 through the first fixing member 23. The fan 2 is connected to the radiator 11 in a spaced fixed manner through the first fixing member 23, so that the hot air in the radiator 11 can enter the air inlet end of the fan 2. In addition, the setting of the gasket 24 can avoid rust at the connection position of the first fixing member 23 exposed outside the spotlight and the first connecting hole 22 on the cover plate 21.
[0024] It needs to be further explained that, as Figure 2 and Figure 4 As shown in combination, the fixing frame 8 is in the shape of a U, and the left and right ends of the fixing frame 8 are provided with second connecting holes 81. The wall surfaces on the left and right sides of the radiator 11 are provided with third connecting holes 111. The fixing frame 8 is connected to the radiator 11 through a second fixing member 82 connected into the second connecting holes 81 and the third connecting holes 111. The shape of the second connecting holes 81 is arc-shaped.
[0025] Among them, the fixing frame 8 rotates around the central axis of the second fixing member 82 in the radiator 11. After the fixing frame 8 is fixed, the part of the spotlight middle shell 1 can rotate around the central axis of the second fixing member 82, so as to adjust the light direction of the light emitting end of the spotlight.
[0026] Specifically, as Figure 2 and Figure 4 As shown in combination, the part of the fixing frame 8 outside the second connecting hole 81 is provided with a plurality of fourth connecting holes 83 in the form of a linear array. The wall surface of the radiator 11 outside the third connecting hole 111 is provided with a plurality of fifth connecting holes 112 in the form of a linear array. The fourth connecting holes 83 and the fifth connecting holes 112 have an inside-outside corresponding relationship on the rotating path of the fixing frame 8. The fourth connecting holes 83 and the fifth connecting holes 112 having the inside-outside corresponding relationship are connected with a third fixing member 84. The cross-sectional shape of the fifth connecting hole 112 is arc-shaped.
[0027] Among them, the third fixing member 84 is connected into the fourth connecting hole 83 and the fifth connecting hole 112 through the third fixing member 84, which can further enhance the connection between the fixing frame 8 and the part of the spotlight middle shell 1. When the third fixing member 84 is connected to different positions of the spotlight and the two fourth connecting holes 83 and fifth connecting holes 112 having the inside-outside corresponding relationship, the position of the third fixing member 84 in the fourth connecting hole 83 and the fifth connecting hole 112 can affect the rotation range of the part of the spotlight middle shell 1, so as to limit the adjustment range of the light direction of the light emitting end of the spotlight.
[0028] It needs to be further explained that, as Figure 1 And Figure 5 As shown in combination, the end of the fixed frame 8 away from the heat sink 11 side is provided with a fixed seat 85, the fixed frame 8 and the fixed seat 85 are provided with a sixth connecting hole 86, the fixed seat 85 is connected with the fixed frame 8 through the fourth fixing piece 87 connected into the sixth connecting hole 86, the fixed seat 85 outside the sixth connecting hole 86 is respectively provided with a clamping port 851 and a fourth matching groove 852 with a circular cross section, the fixed seat 85 outside the fourth matching groove 852 is provided with a fifth matching groove 853 with a rectangular cross section.
[0029] After being connected to the end of the fixed frame 8 away from the heat sink 11 side through the fixed seat 85, the clamping port 851 can be clamped on an external object, and the remaining connecting components can also be connected into the fourth matching groove 852 or the fifth matching groove 853, so as to realize the connection between the fixed seat 85 and the external object; and after the fixed seat 85 is connected with the external object, the fixed frame 8 can be rotated with the axis of the fourth fixing piece 87 as the center of rotation, so that the light emitting direction of the spotlight can be further adjusted.
[0030] It needs to be further explained that, as Figure 6 As shown, the edges of the sealing element 5, the light transmission plate 6 and the fixed cover 7 are provided with a plurality of seventh connecting holes 9 in a matrix distribution form, the housing 1 outside the second matching groove 13 is provided with eighth connecting holes 14 in a matrix distribution form, the sealing element 5, the light transmission plate 6 and the fixed cover 7 are connected into the seventh connecting holes 9 and the eighth connecting holes 14 through the fifth fixing piece 101 to realize the connection with the housing 1, and the sealing element 5 and the fixed cover 7 are provided with a plurality of second through holes 10 corresponding in position to the light reflecting cup 4.
[0031] Among them, the light emitted by the light emitting element 31 can be emitted from the front end of the spotlight through the second through hole 10, the sealing element 5 can seal the position between the light transmission plate 6 and the inner wall of the housing 1 outside the second matching groove 13, so as to avoid foreign matters entering the front end of the housing 1 through the gap at the front end edge of the housing 1 to cause damage to the components of the light emitting end of the spotlight, in the assembly of the spotlight, the structure of the second matching groove 13 is directly displayed in front of the assembly personnel, so that it is more convenient when the circuit board 3, the light reflecting cup 4, the sealing element 5, the light transmission plate 6 and the fixed cover 7 are installed into the second matching groove 13 in sequence, and when the maintenance work of the spotlight is carried out, the circuit board 3, the light reflecting cup 4, the sealing element 5, the light transmission plate 6 and the fixed cover 7 can be taken out from the spotlight through simple operation after the fifth fixing piece 101 is disassembled, and the assembly and maintenance operation of the spotlight is simple.
[0032] It needs to be further explained that, as Figure 1 And Figure 3As shown, the heat sink 11 outside the fan 2 is provided with a terminal seat 15, the terminal seat 15 is connected with a power line 151 through a joint, the power line 151 is electrically connected with the circuit board 3, the circuit board 3 is electrically connected with the fan 2 through the wire 25 penetrating the wall surface of the shell 1 between the first matching slot 12 and the second matching slot 13.
[0033] Wherein, the power line 151 is connected with the external power supply, can transmit the electric energy to the circuit board 3, thereby providing the electric energy for the work of the light emitting element 31, and then transmitting the electric energy to the fan 2 through the wire 25, the fan 2 works to achieve the active heat dissipation of the spotlight after obtaining the electric energy.
[0034] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. A spotlight with excellent heat dissipation performance, the spotlight comprising a housing, the rear end of which is a heat sink with a plurality of heat dissipation fins, characterized in that, Several heat dissipation fins are circumferentially arranged on the outer edge of the heat sink and together form a first mating groove located in the middle of the heat sink. A fan is provided in the first mating groove. A second mating groove is provided in the front end of the housing. A circuit board with several light-emitting elements is provided in the second mating groove. Several reflectors corresponding to the light-emitting elements are provided in the second mating groove in front of the circuit board. A sealing element, a light-transmitting plate and a fixing cover are arranged sequentially from the inside to the outside of the second mating groove in front of the reflectors. A fixing frame is movably connected to the outside of the heat sink.
2. The spotlight according to claim 1, characterized in that, The fan has a cover plate on its outer side, and the cover plate has several first through holes around its circumference. The edges of both the cover plate and the fan are provided with first connecting holes in a matrix. The cover plate and the fan are fixedly connected to the heat sink by first fixing members connected to the first connecting holes. The end of the first fixing member near the cover plate is fitted with a washer.
3. The spotlight according to claim 1, characterized in that, The mounting bracket is U-shaped, with second connecting holes at both ends of the mounting bracket and third connecting holes on the left and right sides of the radiator. The mounting bracket is connected to the radiator by second fasteners connected to the second and third connecting holes. The second connecting hole is arc-shaped.
4. The spotlight according to claim 3, characterized in that, The portion of the fixing frame outside the second connecting hole is provided with several fourth connecting holes in a linear array. The heat sink wall outside the third connecting hole is provided with several fifth connecting holes in a linear array. The fourth connecting holes and the fifth connecting holes have an inner-outer correspondence on the rotation path of the fixing frame. The two fourth connecting holes and the fifth connecting holes that have an inner-outer correspondence are connected to a third fixing member. The cross-sectional shape of the fifth connecting hole is arc-shaped.
5. The spotlight according to claim 1, characterized in that, The end of the mounting bracket away from the radiator is provided with a mounting base. Both the mounting bracket and the mounting base are provided with a sixth connecting hole. The mounting base is connected to the mounting bracket by a fourth fastener connected to the sixth connecting hole. The mounting bases on both sides of the sixth connecting hole are respectively provided with a snap-fit interface and a fourth mating groove with a circular cross-section. The mounting bases on the outside of the fourth mating groove are provided with a fifth mating groove with a rectangular cross-section.
6. The spotlight according to claim 1, characterized in that, The edges of the sealing element, the light-transmitting plate, and the fixing cover are provided with several seventh connecting holes in a matrix arrangement. The outer shell of the second mating groove is provided with eighth connecting holes in a matrix arrangement. The sealing element, the light-transmitting plate, and the fixing cover are connected to the seventh and eighth connecting holes through the fifth fixing element to achieve connection with the shell. The sealing element and the fixing cover are provided with several second through holes whose positions correspond to the reflector cup.
7. The spotlight according to claim 1, characterized in that, The heat sink on the outside of the fan is provided with a terminal block, and the terminal block is connected to a power cord through a connector. The power cord is electrically connected to the circuit board, and the circuit board is electrically connected to the fan through a wire passing through the housing wall between the first mating groove and the second mating groove.