Anti-scald LED bulb lamp
The design of the internal rotating moving unit and spoiler component solves the problem of poor heat dissipation of LED bulbs, achieves efficient heat dissipation and simple maintenance, extends service life and reduces maintenance costs.
Patent Information
- Application Number
- CN202511221659.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-29
- Publication Date
- 2025-10-17
AI Technical Summary
The heat dissipation structure of existing LED bulbs easily causes heat accumulation when used for a long time, affecting the normal operation of the chip and drive circuit. The external anti-scalding structure also hinders heat dissipation, shortens the service life and increases the difficulty of maintenance.
An internal rotating moving unit is used to drive the spoiler component for heat dissipation. The rotation of the rotating unit increases the heat dissipation efficiency. The heat conducting fins and the heat dissipation shell are used to transfer and diffuse heat. Combined with the spoiler page design of the rotating moving unit, uniform heat dissipation is achieved.
The heat dissipation efficiency of LED bulbs is improved, the service life is extended, the maintenance process is simplified, the maintenance cost is reduced, and the aesthetics of the lamps are maintained.
Smart Images
Figure CN120799400A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of LED bulb lamp, in particular to a kind of anti-scald LED bulb lamp. BACKGROUND
[0002] LED bulb lamp with its high efficiency, long service life, environmental protection and health and intelligent control etc. Characteristics, in indoor and outdoor lighting field has been widely applied, specific light-emitting principle is based on the electroluminescence principle of semiconductor material. When the LED chip is applied with suitable forward voltage, electron and hole recombine at P-N junction, release energy, emit light in the form of photon, carry out illumination work, however, not all electron and hole pair recombination can produce visible light, part of energy will be released in the form of heat, at the same time, since the built-in drive circuit of LED bulb lamp is responsible for converting input AC power into suitable DC power for LED chip work. This process includes rectification, filtering and constant current control etc. In these processes, also produce certain heat, so when LED bulb lamp works, corresponding heat dissipation unit must be equipped;
[0003] The existing market bulb lamp when carrying out heat dissipation, only through the heat dissipation cover of heat conducting material carries out heat dissipation work, but the heat dissipation cover can dissipate part of heat, but its heat dissipation area and heat dissipation capacity are limited, when bulb lamp is used for a long time, the heat generated inside LED bulb lamp cannot be dissipated in time, resulting in heat accumulation inside, so that the temperature of lamp body is continuously increased, in turn, it will cause the shell to be scalded, which brings inconvenience to users, and even may cause scalding, in order to avoid the inconvenience brought to users by the overheating of shell, the existing market LED bulb lamp generally installs certain anti-scald structure outside the bulb lamp, which generally surrounds the outside of lamp body, so that it will cover or block the surface of heat dissipation cover, reduce the heat dissipation area, hinder the dissipation of heat from heat dissipation cover to the surrounding environment, and a large amount of heat accumulates in the lamp body, which will affect the normal work of LED chip and drive circuit, accelerate its aging, and reduce the service life;
[0004] Secondly, since the anti-scald structure is arranged outside the lamp body, and the structure is complex, when the lamp body is hung for a long time, a large amount of impurities will accumulate in the complex structure, so that the connecting parts of the structure will be loose or damaged, and the dust accumulated in the connecting position will increase the maintenance difficulty. When maintaining, maintenance personnel need to clean the accumulated dust first, so as to contact the internal parts, which increases the maintenance time and cost. SUMMARY
[0005] One of the purposes of the present application is to solve the problem that the LED bulb lamp on the market can hinder the heat dissipation from the heat dissipation cover to the surrounding environment, thereby greatly reducing the service life of the LED bulb lamp, although the anti-scald structure is provided to enable the operator to quickly perform maintenance operation.
[0006] To achieve the above purpose, the technical scheme adopted by the present application is as follows: an anti-scald LED bulb lamp, comprising a connecting joint, a connecting cover is arranged at the bottom of the connecting joint, a heat dissipation unit is arranged on the outer side of the connecting cover, a heat dissipation mechanism is arranged at the bottom of the heat dissipation unit, and the heat dissipation mechanism is engaged between the heat dissipation unit and the light-transmitting lampshade below, a rotating unit is arranged at the bottom of the heat dissipation unit for moving and retracting, the rotation of the rotating unit increases the air flow outside the heat dissipation mechanism, thereby improving the heat dissipation efficiency, the rotating unit is controlled by a rotating and moving unit inside the heat dissipation unit to move and retract, and an internal component is arranged in the middle of the heat dissipation unit.
[0007] Preferably, the connecting cover and the heat dissipation unit are connected by bearings, wherein the heat dissipation unit comprises a mounting shell, a cover plate and a tooth block, the inside of the mounting shell is arranged as a hollow structure, and a detachable cover plate is arranged at the top end of the mounting shell, the cover plate and the mounting shell are connected by any one of clamping, screwing or bolting, and the tooth blocks are uniformly distributed in the middle of the inner wall of the intermediate circular hole of the mounting shell.
[0008] Preferably, the heat dissipation mechanism comprises a heat dissipation shell, a reserved groove and a heat conduction fin, the heat dissipation shell is connected by bearings between the top end of the mounting shell and the inner wall of the mounting shell, and the reserved grooves are equally distributed on the outer wall of the heat dissipation shell, wherein the heat conduction fins are also uniformly distributed on the inner wall of the heat dissipation shell, and the positions of the heat conduction fins and the reserved grooves are staggered.
[0009] Preferably, a circular groove is arranged below the heat dissipation shell, and engagement grooves are equally distributed at the bottom of the circular groove, and the bottom of the engagement grooves penetrates the lower part of the heat dissipation shell.
[0010] Preferably, the top end of the light-transmitting lampshade is integrally provided with a connecting ring, and engagement blocks are equally distributed at the top end of the connecting ring, the engagement blocks are engaged with the engagement grooves, and the circular groove is rotated inside the circular groove.
[0011] Preferably, the rotating unit comprises disturbance components arranged at equal intervals, and the disturbance components comprise a disturbance page and a sliding block, the top end of the disturbance page is integrally provided with a sliding block, the sliding block slides in the reserved sliding groove penetrating the bottom of the mounting shell, a limiting block is arranged outside the sliding block to limit the position of the sliding block, and the disturbance page is engaged with the reserved groove.
[0012] Preferably, the built-in component includes a built-in driving unit, an LED chip and a second driving component, the built-in driving unit and the second driving component are respectively installed on both sides of the internal mounting plate, and the bottom of the built-in driving unit is provided with a cable connected with the LED chip, and the top end of the built-in driving unit is provided with a cable connected with the connecting connector, wherein the position of the second driving component corresponds to the position of the tooth block, the outer wall of the LED chip is provided with a clamping block at equal angles, which is clamped with the heat-conducting fins distributed at equal angles, the cable is bound on the fixed column by a cable tie, wherein the fixed column is integrally installed between the mounting plate, the top end of the cable fixing column above the built-in driving unit is clamped with the bottom of the connecting connector, and the bottom of the cable fixing column below the built-in driving unit is clamped with the top end of the LED chip.
[0013] Preferably, the rotating moving unit includes a rotating plate, an arc-shaped groove, a connecting bearing and a first driving component, the inner side of the rotating plate is provided with a fixed ring, and the outer side of the fixed ring is provided with a connecting bearing connected with the inner wall of the mounting shell, and the inner wall of the ring is provided with an engagement block at equal intervals, wherein the outer side of the engagement block is provided with a first driving component, and the first driving component is arranged at the bottom of the cover plate.
[0014] Preferably, the rotating plate is provided with a through arc-shaped groove at equal angles in the middle, and the position of the arc-shaped groove corresponds to the position of the reserved sliding groove, and the top end of the sliding block in the reserved sliding groove penetrates the arc-shaped groove.
[0015] Preferably, the first driving component includes a first driving motor and a first driving gear, wherein the top end of the first driving motor is coaxially connected with the first driving gear, and the first driving gear is engaged with the engagement block, and the second driving component includes a second driving motor and a second driving gear, wherein the top end of the second driving motor is coaxially connected with the second driving gear, and the second driving gear is engaged with the tooth block.
[0016] Compared with the prior art, the application has the following advantages:
[0017] (1) The heat dissipation unit is provided, the rotating moving unit in the heat dissipation unit can drive the turbulence components distributed at equal angles on the bottom of the heat dissipation unit to move outward uniformly, and the second driving component is arranged, so that the whole heat dissipation unit drives the turbulence components in the rotating unit to rotate, and when the turbulence components rotate, the airflow outside the heat dissipation shell is disturbed, the air flow speed around the heat dissipation shell is accelerated, the hot air around the heat dissipation shell can be carried away more quickly, and cold air is quickly supplemented, so that the convection heat dissipation effect is enhanced, which can reduce the temperature of the LED chip and prolong the service life of the LED chip.
[0018] (2) The rotating unit can make the airflow disturbance of the outer wall of the heat dissipation shell more uniform when rotating the equally angularly distributed spoiler components, which can avoid the local overheating of the heat dissipation shell. Without the spoiler, the airflow distribution of the heat dissipation shell may be uneven, leading to poor heat dissipation in some parts and excessive heat dissipation in other parts. The rotating disturbance of the spoiler can make the overall temperature distribution of the heat dissipation shell more uniform, improving the efficiency of the entire heat dissipation system. Thus, the outer wall temperature of the entire LED bulb lamp will not be too hot, thereby facilitating subsequent maintenance work by the operating personnel.
[0019] (3) The equally angularly distributed spoiler components can be stored in the reserved slot by the moving unit, which makes the entire LED bulb lamp more compact and simple in appearance. In the storage state, it looks like an ordinary bulb lamp and does not appear bulky due to the additional heat dissipation device. When needed, the spoiler can also play its role. This retractable design takes into account functionality and aesthetics. The rotating moving unit is protected inside the mounting shell, so it is less likely to malfunction, thereby reducing maintenance time and cost, making the entire LED bulb lamp more valuable. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a front view structure diagram of the present application.
[0021] Figure 2 It is a front view split structure diagram of the present application.
[0022] Figure 3 It is a bottom view split structure diagram of the present application.
[0023] Figure 4 It is a split local enlarged structure diagram of the heat dissipation unit and the heat dissipation mechanism of the present application.
[0024] Figure 5 It is a local enlarged structure diagram of the heat dissipation unit of the present application.
[0025] Figure 6 It is a split structure diagram of the mounting shell and the cover plate of the present application.
[0026] Figure 7 It is a split structure diagram of the rotating moving unit and the mounting shell of the present application.
[0027] Figure 8 It is a local enlarged structure diagram of the rotating moving unit of the present application.
[0028] Figure 9 It is a bottom view structure diagram of the built-in component of the present application.
[0029] In the figure: 1, connecting joint; 2, connecting cover; 3, heat dissipation unit; 31, mounting shell; 311, reserved sliding groove; 32, cover plate; 33, tooth block; 4, heat dissipation mechanism; 41, heat dissipation shell; 42, reserved groove; 43, circular groove; 44, clamping groove; 45, heat conduction fin; 5, light-transmitting lampshade; 51, connecting ring; 52, clamping block; 6, rotating unit; 61, spoiler; 62, sliding block; 7, built-in component; 71, built-in driving unit; 72, LED chip; 8, rotating moving unit; 81, rotating plate; 82, arc-shaped groove; 83, connecting bearing; 84, first driving component; 841, first driving motor; 842, first driving gear; 9, second driving component; 91, second driving motor; 92, second driving gear. DETAILED DESCRIPTION
[0030] In the following, the present application will be further described in conjunction with specific embodiments. It should be noted that the embodiments described below or technical features thereof can be combined with each other to form new embodiments without conflict.
[0031] In the description of the present application, it should be noted that for orientation words, such as terms "center", "transverse", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present application.
[0032] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and do not necessarily describe a specific order or sequence.
[0033] One preferred embodiment of the present application is shown in Figures 1 to 9 As shown in the figure, an anti-scald LED bulb lamp includes a connecting joint 1, which is provided at the bottom with a connecting cover 2, and the outer side of the connecting cover 2 is provided with a heat dissipation unit 3, the bottom of the heat dissipation unit 3 is provided with a heat dissipation mechanism 4, and the heat dissipation mechanism 4 is clamped between the light-transmitting lampshade 5 below, the bottom of the heat dissipation unit 3 is provided with a rotating unit 6 that moves and expands, and through the rotation of the rotating unit 6, the air flow outside the heat dissipation mechanism 4 is increased, and the heat dissipation efficiency is improved, the rotating unit 6 is controlled to move and expand by the rotating moving unit 8 inside the heat dissipation unit 3, and the middle of the heat dissipation unit 3 is provided with a built-in component 7.
[0034] The application provides an anti-scald LED bulb lamp. Specifically, when in use, a connecting joint 1 of the whole LED bulb lamp is threadedly connected with an interface of the outside world. After being powered on, a built-in component 7 emits light, so that light transmits through a light-transmitting lampshade 5, and the lighting purpose is achieved.
[0035] When the LED bulb lamp is lighting, a large amount of heat is generated, so that a rotating moving unit 8 is started to drive a rotating unit 6 to expand. After expansion, a heat dissipation unit 3 is controlled to rotate to drive the rotating unit 6 to rotate and disturb flow outside a heat dissipation mechanism 4, so that forced convection is generated, air can flow quickly outside the heat dissipation mechanism 4, and the purpose of improving heat dissipation efficiency is achieved.
[0036] As further preferred in the embodiment, according to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , the outside of the connecting cover 2 and the heat dissipation unit 3 are bearing connected, wherein the heat dissipation unit 3 comprises a mounting shell 31, a cover plate 32 and tooth blocks 33, the inside of the mounting shell 31 is provided as a hollow structure, and the top end of the mounting shell 31 is provided with the detachably mounted cover plate 32, the cover plate 32 and the mounting shell 31 are any one of snap connection, threaded connection or bolt connection, and the tooth blocks 33 are uniformly distributed in the middle position of the inner wall of the middle circular hole of the mounting shell 31.
[0037] The heat dissipation mechanism 4 comprises a heat dissipation shell 41, a reserved groove 42 and heat conduction fins 45, the top end of the heat dissipation shell 41 is bearing connected with the inner wall of the mounting shell 31, and the outer wall of the heat dissipation shell 41 is equally angularly provided with the reserved grooves 42, wherein the inner wall of the heat dissipation shell 41 is also uniformly provided with the heat conduction fins 45, and the positions of the heat conduction fins 45 and the reserved grooves 42 are staggered.
[0038] The heat dissipation shell 41 is provided below with a circular groove 43, the bottom of the circular groove 43 is equally angularly provided with snap grooves 44, and the bottom of the snap grooves 44 penetrates the lower part of the heat dissipation shell 41.
[0039] The top end of the light-transmitting lampshade 5 is integrally provided with a connecting ring 51, and the top end of the connecting ring 51 is equally angularly provided with snap blocks 52, the snap blocks 52 are snap connected with the snap grooves 44, and rotate in the circular groove 43.
[0040] Specifically, when the production assembly is carried out, the connecting joint 1 and the connecting cover 2 are threadedly connected, after the connection is completed, the bottom outer side of the connecting cover 2 and the inner wall upper side of the heat dissipation unit 3 are bearing connected, the top end of the heat dissipation shell 41 and the inner wall lower side of the heat dissipation unit 3 are bearing connected, after the connection is completed, the clamping block 52 at the top end of the light transmission lampshade 5 and the clamping groove 44 at the bottom of the heat dissipation shell 41 are clamped, so that the clamping block 52 enters the inside of the circular groove 43, then the light transmission lampshade 5 is controlled to rotate, so that the clamping block 52 rotates to the inside of the circular groove 43, and after the position of the clamping groove 44 is dislocated, the purpose of installing the light transmission lampshade 5 is achieved.
[0041] Figure 6 Figure 7 Figure 8 Figure 9 As shown in
[0042] The input alternating current power from the outside can reach the position of the built-in driving unit 71 through the cable, the input alternating current power is converted into direct current power suitable for the operation of the LED chip 72 through the built-in driving unit 71, and stable current is provided to ensure the stable light emission of the LED chip 72.
[0043] The equiangularly distributed clamping blocks on the outer wall of the LED chip 72 are clamped with the heat conduction fins 45, and the connecting cables are all bound outside the fixed column, so that the built-in driving unit 71 can limit the position of the heat dissipation shell 41, and ensure that the heat dissipation shell 41 cannot be rotated when the heat dissipation unit 3 rotates.
[0044] Further, according to Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 As shown, the rotating unit 6 comprises equally spaced spoiler assemblies, and each spoiler assembly comprises a spoiler leaf 61 and a sliding block 62, the top end of the spoiler leaf 61 is integrally provided with the sliding block 62, and the sliding block 62 slides in the reserved sliding groove 311 at the bottom of the mounting shell 31, a limiting block is arranged outside the sliding block 62 for position limiting work of the sliding block 62, and the spoiler leaf 61 is engaged with the reserved groove 42.
[0045] The rotating moving unit 8 comprises a rotating plate 81, an arc-shaped groove 82, a connecting bearing 83 and a first driving assembly 84, the inner side of the rotating plate 81 is provided with a fixed ring, the outer side of the fixed ring is connected with the inner wall of the mounting shell 31 through the connecting bearing 83, and the inner wall of the ring is equally spaced provided with an engaging block, wherein the outer side of the engaging block is provided with the first driving assembly 84, and the first driving assembly 84 is arranged at the bottom of the cover plate 32.
[0046] The rotating plate 81 is provided with the arc-shaped groove 82 penetrating the middle thereof at equal angles, the position of the arc-shaped groove 82 corresponds to the position of the reserved sliding groove 311, and the top end of the sliding block 62 in the reserved sliding groove 311 penetrates the arc-shaped groove 82.
[0047] The first driving assembly 84 comprises a first driving motor 841 and a first driving gear 842, wherein the top end of the first driving motor 841 is coaxially connected with the first driving gear 842, the first driving gear 842 is engaged with the engaging block, and the second driving assembly 9 comprises a second driving motor 91 and a second driving gear 92, wherein the top end of the second driving motor 91 is coaxially connected with the second driving gear 92, and the second driving gear 92 is engaged with the toothed block 33.
[0048] When the built-in component 7 emits light and generates a large amount of heat, the heat is sequentially transferred to the position of the heat conduction fins 45 for heat dissipation, and then is transferred and dissipated outward through the heat dissipation shell 41. In order to improve the heat dissipation efficiency, the first driving motor 841 inside the mounting shell 31 can be started to drive the first driving gear 842 to rotate. When the first driving gear 842 rotates, it is engaged with the engaging blocks on the outer ring of the rotating plate 81, so that the rotating plate 81 rotates under the action of the connecting bearing 83. When the rotating plate 81 rotates, the arc-shaped groove 82 moves, so that the sliding block 62 inside the arc-shaped groove 82 moves and slides in the reserved sliding groove 311. When the sliding block 62 moves, the turbulence vane 61 at the bottom of the sliding block 62 moves, so that the turbulence vane 61 can be accommodated in the reserved groove 42 and slid out of the reserved groove 42. When the turbulence vane 61 slides out of the reserved groove 42, the second driving motor 91 is only needed to be started to drive the second driving gear 92 at the top end to rotate. When the second driving gear 92 rotates, it is engaged with the tooth block 33 at the middle position of the inner wall of the mounting shell 31, so that the entire mounting shell 31 rotates outside the connecting cover 2 and at the top end of the heat dissipation shell 41. When the mounting shell 31 rotates, the turbulence vane 61 rotates. Therefore, the circularly distributed turbulence vanes 61 rotate uniformly outside the heat dissipation shell 41, so that strong convection is generated outside the heat dissipation shell 41, thereby accelerating the heat dissipation efficiency of the heat dissipation shell 41 to achieve the purpose of rapid heat dissipation, so that the surface of the heat dissipation shell 41 is not overheated.
[0049] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.
Claims
1. A scald-proof LED bulb, characterized in that: The invention comprises a connecting joint (1), the bottom of which is provided with a connecting cover (2), and is characterized in that a heat dissipation unit (3) is provided on the outside of the connecting cover (2), a heat dissipation mechanism (4) is provided on the bottom of the heat dissipation unit (3), and the bottom of the heat dissipation mechanism (4) is engaged with a light-transmitting lampshade (5), and a rotating unit (6) for movement and expansion is provided on the bottom of the heat dissipation unit (3), and the rotation of the rotating unit (6) increases the air flow outside the heat dissipation mechanism (4) and improves the heat dissipation efficiency. The rotating unit (6) is controlled by a rotating moving unit (8) inside the heat dissipation unit (3) to move and expand, and a built-in component (7) is provided in the middle of the heat dissipation unit (3).
2. The scald-proof LED bulb according to claim 1, characterized in that: The exterior of the connection cover (2) is connected to the heat dissipation unit (3) via a bearing, wherein the heat dissipation unit (3) comprises a mounting shell (31), a cover plate (32) and a tooth block (33). The interior of the mounting shell (31) is configured as a hollow structure, and a detachable cover plate (32) is provided at the top thereof. The cover plate (32) and the mounting shell (31) are connected by any one of a snap-fit, a threaded connection or a bolt connection. The tooth blocks (33) are evenly distributed at the middle position of the inner wall of the central circular hole of the mounting shell (31).
3. The scald-proof LED bulb according to claim 2, characterized in that: The heat dissipation mechanism (4) comprises a heat dissipation shell (41), a reserved groove (42) and heat-conducting fins (45); the top end of the heat dissipation shell (41) is connected to the inner wall of the mounting shell (31) by a bearing, and the reserved grooves (42) are distributed at equal angles on the outer wall of the heat dissipation shell (41); the heat-conducting fins (45) are also evenly distributed on the inner wall of the heat dissipation shell (41); and the positions of the heat-conducting fins (45) and the reserved grooves (42) are staggered.
4. The scald-proof LED bulb according to claim 3, characterized in that: A circular groove (43) is provided below the heat dissipation housing (41), and engaging grooves (44) are distributed at equal angles at the bottom of the circular groove (43), and the bottoms of the engaging grooves (44) pass through the bottom of the heat dissipation housing (41).
5. The scald-proof LED bulb according to claim 4, characterized in that: The top of the light-transmitting lampshade (5) is integrally provided with a connecting ring (51), and engaging blocks (52) are distributed at equal angles on the top of the connecting ring (51). The engaging blocks (52) engage with the engaging groove (44) and rotate inside the circular groove (43).
6. The scald-proof LED bulb according to claim 5, characterized in that: The rotating unit (6) includes a spoiler assembly arranged at equal intervals, and the spoiler assembly includes a spoiler page (61) and a sliding block (62). The top of the spoiler page (61) is integrally installed with the sliding block (62), and the sliding block (62) slides in a reserved sliding groove (311) passing through the bottom of the mounting shell (31). A limiting block is provided outside the sliding block (62) for limiting the position of the sliding block (62). The spoiler page (61) is engaged with the reserved groove (42).
7. The scald-proof LED bulb according to claim 5, characterized in that: The built-in component (7) comprises a built-in drive unit (71), an LED chip (72) and a second drive component (9), wherein the built-in drive unit (71) and the second drive component (9) are respectively installed on both sides of the internal mounting plate, and a cable is provided at the bottom of the built-in drive unit (71) to connect with the LED chip (72), and a cable is provided at the top of the built-in drive unit (71) to connect with the connection connector (1), wherein the position of the second drive component (9) corresponds to the position of the tooth block (33), and blocks are distributed at equal angles on the outer wall of the LED chip (72), which are engaged with the heat-conducting fins (45) distributed at equal angles, and the cable is tied to the fixing column by a cable tie, wherein the fixing column and the mounting plate are installed as a whole, the top of the cable fixing column above the built-in drive unit (71) is engaged with the bottom of the connection connector (1), and the bottom of the cable fixing column below the built-in drive unit (71) is engaged with the top of the LED chip (72).
8. The scald-proof LED bulb according to claim 7, characterized in that: The rotating moving unit (8) comprises a rotating plate (81), an arc-shaped groove (82), a connecting bearing (83) and a first driving assembly (84); a fixed ring is provided on the inner side of the rotating plate (81); a connecting bearing (83) is provided on the outer side of the fixed ring and is connected to the inner wall of the mounting housing (31); engaging blocks are provided at equal intervals on the inner wall of the ring; a first driving assembly (84) is provided on the outer side of the engaging blocks; and the first driving assembly (84) is provided at the bottom of the cover plate (32).
9. The scald-proof LED bulb according to claim 8, characterized in that: The middle of the rotating plate (81) is provided with arc grooves (82) extending therethrough at equal angles, and the positions of the arc grooves (82) correspond to the positions of the reserved sliding grooves (311), and the top end of the sliding block (62) in the reserved sliding grooves (311) passes through the arc grooves (82).
10. The scald-proof LED bulb according to claim 9, characterized in that: The first drive assembly (84) includes a first drive motor (841) and a first driving gear (842), wherein the top end of the first drive motor (841) is coaxially connected to the first driving gear (842), and the first driving gear (842) is meshed with the meshing block. The second drive assembly (9) includes a second drive motor (91) and a second driving gear (92), wherein the top end of the second drive motor (91) is coaxially connected to the second driving gear (92), and the second driving gear (92) is meshed with the gear block (33).