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CN-121993750-A - LED bulb lamp capable of adjusting illumination range of light source

CN121993750ACN 121993750 ACN121993750 ACN 121993750ACN-121993750-A

Abstract

The invention relates to the technical field of lighting equipment, and discloses an LED bulb lamp capable of adjusting the illumination range of a light source, aiming at solving the problems that the existing LED bulb lamp is fixed in illumination range and is difficult to adapt to diversified illumination requirements in different scenes; the LED bulb lamp mainly comprises an LED lamp holder, a dimming component and a transparent lampshade, wherein the dimming component is arranged between the LED lamp holder and the transparent lampshade and is a core component for adjusting the illumination range, and the dimming component comprises the dimming cover, a plurality of groups of dimming plates, an adjusting piece, a plurality of groups of electromagnetic devices, a plurality of groups of magnetic driving pieces and a PLC (programmable logic controller), wherein the core adjusting principle is that the PLC controls the electromagnetic devices to generate magnetic force which attracts or repels the magnetic driving pieces by adjusting the direction of output current, and drives the adjusting piece to rotate along a guide structure so as to drive the plurality of groups of dimming plates to stably spread or shrink, so that stepless and accurate adjustment of the illumination range is realized, stepless adjustment of the illumination range can be realized, and the LED bulb lamp adapts to illumination requirements of different scenes.

Inventors

  • ZHOU YONGJUN
  • SUN YONGQIANG

Assignees

  • 杭州新三联照明电器有限公司

Dates

Publication Date
20260508
Application Date
20260207

Claims (7)

  1. 1. The LED bulb lamp with the adjustable light source illumination range comprises an LED lamp holder (1), a dimming component (2) and a transparent lampshade (3), wherein the LED lamp holder, the dimming component (2) and the transparent lampshade (3) are coaxially and detachably assembled to form a complete bulb lamp structure, and the dimming component (2) is arranged between the LED lamp holder (1) and the transparent lampshade (3) and is used for adjusting the illumination range of the LED lamp holder (1); the dimming component (2) comprises a dimming cover (21), a plurality of groups of dimming plates (22), a regulating piece (23), a plurality of groups of electromagnetic devices (24), a plurality of groups of magnetic driving pieces (25) and a PLC (programmable logic controller) controller (26); The light adjusting plates (22) are rotatably arranged at the bottom of the inner cavity of the light adjusting cover (21), and the adjusting piece (23) is arranged at the bottom of the inner cavity of the light adjusting cover (21) and is rotatably connected with the light adjusting plates (22); The electromagnetic devices (24) are fixed at the top of the inner cavity of the light modulation cover (21) and are connected in series, the magnetic driving parts (25) are assembled at the top of the adjusting part (23), the PLC (26) is fixed in the light modulation cover (21), and the electromagnetic devices (24) are electrically connected with the PLC (26); The PLC (26) can control the electromagnetic device (24) to generate magnetic force which is attracted or repelled with the magnetic driving piece (25) by adjusting the direction of output current, and the magnetic driving piece (25) is driven to drive the adjusting piece (23) to rotate, so that the multiple groups of dimming plates (22) are driven to expand or contract, and the illumination range is adjusted.
  2. 2. The LED bulb lamp with the adjustable light source illumination range according to claim 1, wherein the light adjusting cover (21) is of an annular cylindrical structure, an annular supporting plate (211) is integrally formed in the middle of an inner cavity of the light adjusting cover (21), the inner cavity of the light adjusting cover (21) is divided into an upper driving cavity and a lower transmission cavity, an inner thread is arranged at the upper end of the inner cavity of the light adjusting cover (21), an outer thread is arranged at the bottom end of the outer side of the inner cavity, and the inner thread is respectively matched with the outer thread of the LED lamp holder (1) and the inner thread of the transparent lamp shade (3).
  3. 3. The LED bulb lamp with the adjustable light source illumination range of claim 2, wherein a plurality of groups of arc-shaped guide grooves (212) are uniformly formed in the annular supporting plate (211) along the circumferential direction and used for guiding rotation of the adjusting piece (23), a plurality of groups of positioning shaft rods (213) are uniformly and integrally formed in the circumferential direction at the bottom of the annular supporting plate (211), the number of the positioning shaft rods (213) is consistent with that of the dimming plates (22), and external threads are formed at the bottom end of the positioning shaft rods (213) and limit nuts are arranged at the bottom end of the positioning shaft rods.
  4. 4. The LED bulb lamp capable of adjusting the illumination range of a light source according to claim 3, wherein the light adjusting plate (22) is provided with a shaft hole matched with the positioning shaft rod (213), the shaft hole is sleeved on the positioning shaft rod (213) to realize rotatable installation, the rotation angle of the light adjusting plate (22) ranges from 0 degrees to 90 degrees, the 0 degrees are in a fully contracted state, and the 90 degrees are in a fully expanded state.
  5. 5. The LED bulb lamp capable of adjusting the illumination range of a light source according to claim 3, wherein the adjusting piece (23) comprises an adjusting ring (231), a plurality of groups of limiting slide bars (232) and a plurality of groups of arc-shaped pull bars (233), the limiting slide bars (232) are integrally formed at the top of the adjusting ring (231) and can penetrate through and slide along the arc-shaped guide grooves (212), limiting sleeves are arranged on the outer walls of the limiting slide bars (232), one ends of the arc-shaped pull bars (233) are rotatably connected with the bottom of the adjusting ring (231), and the other ends of the arc-shaped pull bars are rotatably connected with the upper ends of the light adjusting plates (22).
  6. 6. The LED bulb lamp with the adjustable light source illumination range of claim 1, wherein the magnetic driving piece (25) comprises a fixed block (251) and a permanent magnet ring (252), a fixed groove (253) matched with the top end of the limit sliding rod (232) is vertically formed in the fixed block (251), the top end of the limit sliding rod (232) is sleeved through the fixed groove (253), and the permanent magnet ring (252) is adhered to the side wall of the fixed block (251) and has a magnetic pole direction corresponding to that of the electromagnetic device (24).
  7. 7. The LED bulb lamp with the adjustable light source illumination range according to claim 1, wherein the PLC (26) adopts a micro PLC module, the input end of the micro PLC module is electrically connected with a driving power supply module in the LED lamp holder (1) and can be connected with an external control switch or a wireless communication module, and the wireless communication module is a Bluetooth module or a WiFi module and is used for realizing remote control.

Description

LED bulb lamp capable of adjusting illumination range of light source Technical Field The invention relates to the technical field of lighting equipment, in particular to an LED bulb lamp capable of adjusting the illumination range of a light source. Background Along with the promotion of global energy conservation and emission reduction policies and the rapid iteration of lighting technology, the LED (light emitting diode) lighting equipment gradually and comprehensively replaces traditional incandescent lamps and fluorescent lamps by virtue of the core advantages of low energy consumption, long service life, environmental protection, no pollution, high starting speed and the like, is widely applied to various scenes such as household lighting, commercial lighting (markets, hotels and supermarkets), office lighting, public facility lighting (corridors, garages and roads) and the like, and becomes a main stream product of the current lighting industry. The LED bulb lamp occupies a larger share of the LED illumination market due to the fact that the LED bulb lamp is simple in structure, convenient to install and adaptive to the traditional lamp holder in appearance, market demands of the LED bulb lamp continuously increase, and personalized and intelligent requirements of users on illumination performance of the LED bulb lamp are increasingly improved. The illumination range of most LED bulb lamps in the market at present is of a factory fixed design, the optical structure of the LED bulb lamps cannot be adjusted once being molded, and the LED bulb lamps are difficult to adapt to diversified illumination requirements in different scenes. Specifically, in a home scene, large-area spaces such as living rooms and restaurants need wide-angle uniform illumination to realize bright coverage of the whole space, and scenes such as reading in a study room, night starting in a bedroom, head lighting and the like need small-angle concentrated illumination to avoid influence of light scattering on visual comfort or light pollution, in a business scene, a commodity display area needs focused illumination to highlight exhibit details, display effect is improved, and a public passage area needs large-range illumination to guarantee traffic safety. The LED bulb lamp with a fixed illumination range often requires a user to purchase an adaptation model separately according to different scenes. In summary, an LED bulb lamp with an adjustable illumination range of a light source is developed. Disclosure of Invention In view of the above problems in the prior art, the present invention aims to provide an LED bulb lamp capable of adjusting the illumination range of a light source, which is capable of realizing accurate and stable adjustment of the illumination range by matching electromagnetic driving with a mechanical transmission structure, and adapting to the illumination requirements of multiple scenes. The invention adopts the following technical scheme that the LED bulb lamp capable of adjusting the illumination range of a light source comprises an LED lamp holder, a dimming component and a transparent lampshade, wherein the LED lamp holder, the dimming component and the transparent lampshade are coaxially and detachably assembled to form a complete bulb lamp structure; The light modulation component comprises a light modulation cover, a plurality of groups of light modulation plates, a regulating piece, a plurality of groups of electromagnetic devices, a plurality of groups of magnetic driving pieces and a PLC; the light adjusting plates are rotatably arranged at the bottom of the inner cavity of the light adjusting cover, and the adjusting piece is arranged at the bottom of the inner cavity of the light adjusting cover and is rotatably connected with the light adjusting plates; the plurality of groups of electromagnetic devices are fixed at the top of the inner cavity of the light modulation cover and are connected in series, the plurality of groups of magnetic driving parts are assembled at the top of the adjusting part, the PLC is fixed at the top of the light modulation cover, and the electromagnetic devices are electrically connected with the PLC; The PLC controller can control the electromagnetic device to generate magnetic force which attracts or repels the magnetic driving piece through adjusting the direction of the output current, and the magnetic driving piece is driven to drive the adjusting piece to rotate, so that a plurality of groups of dimming plates are driven to expand or contract, and the illumination range is adjusted. As a further improvement of the scheme, the whole light-adjusting cover is of an annular cylindrical structure, an annular supporting plate is integrally formed in the middle of an inner cavity of the light-adjusting cover and divides the inner cavity of the light-adjusting cover into an upper driving cavity and a lower transmission cavity, an inner thread is arranged at the upper end of