A high-light-efficiency LED lamp bead and an LED lighting device containing the same

By introducing contact conductive connection mechanism and rotary switching wheel rest mechanism into the LED lamp beads, the overheating and aging problems caused by long-term continuous work of the LED lamp beads are solved, and a longer service life and higher light efficiency are achieved.

CN118856295BActive Publication Date: 2025-02-28ZHONGKE JIEDIAN ENERGY TECH (GUANGDONG) CO LTD
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Patent Information

Application Number
CN202410984869.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-02-28
Estimated Expiration
2044-07-22

AI Technical Summary

Technical Problem

Existing LED lamp beads are prone to overheating and aging after long continuous working hours, affecting their service life.

Method used

A high-light efficiency LED lamp bead is designed, using a contact conductive connection mechanism and a rotary switching wheel rest mechanism. When the LED lamp beads are working, some LED lamp beads will be rested to avoid long-term continuous work, and the service life will be extended in combination with the existing heat dissipation structure.

Benefits of technology

The wheel rest mechanism avoids overheating and aging of LED lamp beads, extends the service life, improves stability, and improves the light efficiency of LED lamp beads.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a high-light-efficiency LED lamp bead and an LED lighting device containing the same, which relates to the technical field related to LED lamps, comprising a circular lamp housing and a plurality of LED lamp beads arranged inside the lamp housing, wherein the plurality of LED lamp beads are arranged in a ring shape with the center of the lamp housing as the center and are evenly distributed, and the plurality of LED lamp beads are distributed in multiple circles, the interior of the lamp housing is provided with a circular mounting base plate for mounting a plurality of LED lamp beads, the inner side wall of the lamp housing is provided with an insulating ring located above the mounting base plate, and the insulating ring is provided with a contact conductive connection mechanism that is conductive to the plurality of LED lamp beads on the mounting base plate; the plurality of LED lamp beads in each circle of the present invention are switched to rest in turn to avoid overheating and aging of a single LED lamp bead caused by long-term continuous work, and combined with the heat dissipation structure of the LED lamp beads in the prior art, the service life of each lamp bead is extended, the stability is improved, and the efficacy of the LED lamp bead is also made higher.
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Description

Technical Field

[0001] The present invention relates to the technical field related to LED lamps, and in particular to a high-light-efficiency LED lamp bead and an LED lighting device comprising the same. Background Art

[0002] LED stands for semiconductor light emitting diode, which is a light emitting device made of semiconductor materials to directly convert electrical energy into light energy and electrical signals into light signals; it has the advantages of low power consumption, high brightness, bright colors, vibration resistance, long life (80,000-100,000 hours of normal light emission), cold light source, etc., and is truly "green lighting". In the future of the 21st century, lighting products with LED as the light source will inevitably replace incandescent lamps and become another revolution in human lighting. LED lamp beads are widely used in many production fields such as lighting, LED large-screen displays, traffic lights, decorations, computers, electronic toys and gifts, switches, telephones, advertising, and urban lighting projects.

[0003] With the development of science and technology in society, the requirements for the luminous efficiency of LED lamp beads are getting higher and higher. However, the current LED lamp beads basically use the existing heat dissipation structure to dissipate heat for the LED lamp beads to provide luminous efficiency and service life. The effect is not very obvious. LED lamp beads will still have overheating and aging of individual LED lamp beads due to long-term continuous work, which affects the service life. Summary of the invention

[0004] In order to solve the defects of the prior art, the present invention provides a high-light-efficiency LED lamp bead and an LED lighting device including the same.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] The present invention discloses a high-light-efficiency LED lamp bead, comprising a circular lamp housing and a plurality of LED lamp beads arranged inside the lamp housing, wherein the plurality of LED lamp beads are arranged in a ring shape with the center of the lamp housing as the center and are evenly distributed, and the plurality of LED lamp beads are distributed in multiple circles, a circular mounting base plate for mounting a plurality of LED lamp beads is arranged inside the lamp housing, an insulating ring located above the mounting base plate is arranged on the inner side wall of the lamp housing, and a contact conductive connection mechanism that is in electrical communication with the plurality of LED lamp beads on the mounting base plate is arranged on the insulating ring;

[0007] The contact conductive connection mechanism includes a plurality of first conductive sheets arranged on the mounting substrate and respectively conducting with a plurality of LED lamp beads, the first conductive sheets are arranged in a semi-spherical shape, and a second conductive sheet corresponding to the plurality of first conductive sheets and abutting against each other is arranged on one side of the insulating ring close to the mounting substrate;

[0008] The interior of the lamp housing is provided with a rotating switching mechanism for switching and rotating a plurality of LED lamp beads. The rotating switching mechanism separates one of the plurality of second conductive plates in each circle from the corresponding first conductive plate, so that the LED lamp bead connected to the first conductive plate is extinguished and rested, while the remaining plurality of LED lamp beads in each circle work normally.

[0009] As a preferred technical solution of the present invention, the contact conductive connection mechanism also includes guide holes opened on the insulating ring and corresponding to the plurality of first conductive sheets one by one, the second conductive sheet is set to be U-shaped and passes through the guide holes, a return spring connected to the insulating ring is provided inside the end of the second conductive sheet close to the first conductive sheet, and first guide inclined plates inclined upward are provided on both sides of the end of the second conductive sheet away from the first conductive sheet, the plurality of second conductive sheets are connected in series, and one of the second conductive sheets is electrically connected to an external power supply.

[0010] As a preferred technical solution of the present invention, the rotating switching mechanism includes a fixed shaft arranged between the lamp housing cover and the center of the mounting base plate, the outer wall of the fixed shaft is connected to a plurality of axially and equidistantly distributed connecting sleeves via a bearing, the outer walls of the plurality of connecting sleeves are provided with L-shaped insulating rotating plates, and the lengths of the plurality of insulating rotating plates decrease from top to bottom, an insulating rotating partition plate is provided at one end of the insulating rotating plate away from the connecting sleeve, and second guide inclined plates adapted to the first guide inclined plates are provided on both sides of the insulating rotating partition plate, and the plurality of insulating rotating plates correspond one by one to each circle of LED lamp beads;

[0011] Whenever the rotating partition plate rotates to the point where the second inclined guide plate abuts against one of the first inclined guide plates, the rotating partition plate continues to rotate under the guidance of the first inclined guide plate and the second inclined guide plate, so that the second conductive sheet connected to the first inclined guide plate moves upward under the guidance of the guide hole, the reset spring is compressed, and the second conductive sheet is separated from the first conductive sheet.

[0012] As a preferred technical solution of the present invention, the rotation switching mechanism further includes a driving assembly for driving the plurality of connecting sleeves to rotate;

[0013] The driving assembly includes a first gear arranged on the outer wall of the connecting sleeve, the outer wall of the fixed shaft is provided with a plurality of fixed rings located above each connecting sleeve, the outer wall of the fixed ring is provided with a fixed connecting plate, the fixed connecting plate is provided with a second gear meshing with the first gear, and a reduction motor is installed on the fixed connecting plate to drive the second gear to rotate, and when the rotating partition plate rotates, the rotatable interfaces of the rotating partition plate and the second guide inclined plate do not collide with the reduction motor.

[0014] As a preferred technical solution of the present invention, the size specifications of the multiple second gears are consistent, the number of teeth of the multiple first gears increases from top to bottom, a PLC controller is provided inside the lamp housing, the PLC controller is electrically connected to the multiple reduction motors, and the multiple reduction motors are connected in series.

[0015] As a preferred technical solution of the present invention, the bottom end of the fixed shaft is connected to the center of the mounting base plate via a convenient disassembly member;

[0016] The detachable assembly part comprises a positioning column arranged at the bottom end of the fixed shaft and connected via a rotating shaft. The outer wall of the positioning column is annular and is equidistantly connected to a limiting block. A limiting groove matching and engaging with the limiting block is provided at the center of the mounting base.

[0017] As a preferred technical solution of the present invention, the mounting substrate is mounted inside the lamp housing via a lamp board mounting member;

[0018] The lamp board mounting part comprises a plurality of equally spaced positioning mounting blocks arranged on the inner wall of the lamp housing, a positioning slot is arranged at the lower end of the positioning mounting block, and a plurality of positioning blocks matching and engaging with the positioning slot are arranged on the side of the mounting base plate.

[0019] As a preferred technical solution of the present invention, a first spring latch is embedded in the side of the positioning block, and a positioning hole connected to the positioning slot and matching the pin rod of the first spring latch is opened on the side of the positioning installation block.

[0020] As a preferred technical solution of the present invention, the lamp housing cover comprises a top housing cover and a bottom housing cover, a lens is provided in the middle of the bottom housing cover, and the top housing cover and the bottom housing cover are connected via threads;

[0021] The outer wall of the top shell cover is provided with a second spring latch, and the outer wall of the bottom shell cover is provided with a limiting hole block which matches and plugs with the pin rod of the second spring latch after the top shell cover and the bottom shell cover are threadedly connected.

[0022] An LED lighting device including high-light-efficiency LED lamp beads comprises any one of the high-light-efficiency LED lamp beads described above.

[0023] The beneficial effects of the present invention are:

[0024] 1. This kind of high-light-efficiency LED lamp bead and the LED lighting device including the same, through the contact conductive connection mechanism and the rotation switching rotation mechanism, when the lighting device is working, the multiple second conductive sheets on the multiple insulating rings are respectively abutted against the multiple first conductive sheets on the mounting substrate. Since the multiple first conductive sheets are respectively abutted against the multiple LED lamp beads one by one, the multiple LED lamp beads emit light and work. When one of the multiple LED lamp beads in each circle is in rotation, after a certain period of time, the rotation switching rotation mechanism separates one of the multiple second conductive sheets in each circle from the corresponding first conductive sheet, so that the LED lamp bead connected to the first conductive sheet is extinguished and rested, and the remaining multiple LED lamp beads in each circle work normally. The multiple LED lamp beads in each circle are switched to rest in turn, avoiding overheating and aging of a single LED lamp bead due to long-term continuous work. Combined with the heat dissipation structure of the LED lamp beads in the prior art, the service life of each lamp bead is extended, the stability is improved, and the LED lamp bead is more efficient.

[0025] 2. This type of high-light-efficiency LED lamp bead and the LED lighting device containing the same, when several LED lamp beads start to work, the rotating switching rotation mechanism also starts to work, and the insulating rotating plate drives the insulating rotating partition plate to rotate around the fixed axis, so that the second guide plate on the insulating rotating partition plate abuts against one of the first guide plates, and then under the guiding action of the first guide plate and the second guide plate, the insulating rotating partition plate continues to rotate so that the second conductive sheet connected to the first guide plate moves upward under the guiding action of the guide hole, and the reset spring is compressed to separate the second conductive sheet from the first conductive sheet, so that the LED lamp bead connected to the first conductive sheet is powered off and extinguished, and the LED lamp bead is in a resting state. Since the lengths of the multiple insulating rotating plates decrease from top to bottom, one of the LED lamp beads in each circle can be extinguished.

[0026] 3. When this type of high-light-efficiency LED lamp bead and the LED lighting device containing the same need to drive the insulating rotating plate to rotate, the output shafts of multiple reduction motors drive the second gear to rotate, the second gear engages with the first gear, so that the first gear rotates, the first gear drives the corresponding connecting sleeve to rotate around the fixed axis via the bearing, the connecting sleeve drives the corresponding insulating rotating plate to rotate, the insulating rotating plate drives the insulating rotating partition plate to rotate, so that the rotating partition plate can separate the first conductive sheet and the second conductive sheet.

[0027] 4. When installing the mounting substrate, the high-efficiency LED lamp bead and the LED lighting device containing the same are arranged so that the limit slots on the mounting substrate are matched and plugged with the limit blocks and positioning columns on the fixed shaft, thereby improving the stability of the fixed shaft and avoiding the situation in which the fixed shaft is damaged by swinging when the reduction motor is working.

[0028] 5. For this kind of high-light-efficiency LED lamp bead and the LED lighting device containing the same, when fixing the mounting base plate, the limit slots on the mounting base plate are matched and plugged with the limit blocks and the positioning columns on the fixed shaft, and the multiple positioning blocks on the mounting base plate are matched and plugged with the positioning slots on the positioning mounting blocks on the inner wall of the lamp housing, and at the same time, the pin rod of the first spring pin is matched and plugged with the positioning socket under the action of elastic force, so that the installation of the mounting base plate can be completed, which is convenient for installation of the mounting base plate and has high stability.

[0029] 6. This kind of high-light-efficiency LED lamp bead and the LED lighting device containing the same, when connecting the top shell cover and the bottom shell cover, the bottom shell cover is threadedly connected to the opening of the top shell cover, and under the elastic force of the second spring latch, the pin rod of the first spring latch is matched and plugged with the limiting hole block, so that the top shell cover and the bottom shell cover can be connected with high stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0031] Figure 1 It is a schematic diagram of the connection structure of a high-light-efficiency LED lamp bead and a rotating switching rotation mechanism and a contact conductive connection mechanism of an LED lighting device including the same according to the present invention;

[0032] Figure 2 It is a schematic diagram of a high-light-efficiency LED lamp bead and a mounting substrate of an LED lighting device including the same and a connection structure of a plurality of LED lamp beads of the present invention;

[0033] Figure 3 It is a schematic diagram of the structure of a contact conductive connection mechanism of a high-light-efficiency LED lamp bead and an LED lighting device including the same according to the present invention;

[0034] Figure 4 This is a schematic diagram of the structure of a high-light-efficiency LED lamp bead and a rotating switching rotation mechanism of an LED lighting device including the same, viewed from above;

[0035] Figure 5 It is a top view structural schematic diagram of a high-light-efficiency LED lamp bead and a rotating switching rotation mechanism of an LED lighting device including the same according to the present invention;

[0036] Figure 6 It is a structural schematic diagram of a high-light-efficiency LED lamp bead and an LED lighting device including the same according to the present invention;

[0037] Figure 7 This is a schematic diagram of the structure of a high-light-efficiency LED lamp bead and a lamp board mounting piece of an LED lighting device including the same according to the present invention;

[0038] Figure 8 The present invention provides a high-light-efficiency LED lamp bead and an LED lighting device containing the same Figure 6 Schematic diagram of the structure at A in the middle;

[0039] Fig. 9 The present invention is a schematic diagram of a high-light-efficiency LED lamp bead and a conveniently disassembled and assembled component structure of an LED lighting device including the same.

[0040] In the figure: 1, lamp housing cover; 101, top housing cover; 102, bottom housing cover; 103, lens; 104, second spring latch; 105, stopper hole block; 2, LED lamp beads; 3, mounting base plate; 4, insulating ring; 5, contact conductive connection mechanism; 501, first conductive sheet; 502, second conductive sheet; 503, guide hole; 504, reset spring; 505, first guide inclined plate; 6, rotation switching rotation mechanism; 601, fixed shaft; 602, connecting sleeve; 603, insulating rotating plate; 604, Insulated rotating partition plate; 605, second guide inclined plate; 606, driving assembly; 6061, first gear; 6062, fixed collar; 6063, fixed connecting plate; 6064, second gear; 6065, reduction motor; 7, convenient disassembly and assembly parts; 701, positioning column; 702, limit card block; 703, limit card slot; 8, lamp board mounting parts; 801, positioning mounting block; 802, positioning card slot; 803, positioning card block; 804, first spring latch; 805, positioning socket; 9, PLC controller. DETAILED DESCRIPTION

[0041] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0042] Example: Figure 1 , Figure 2 and Figure 3As shown, a high-light-efficiency LED lamp bead of the present invention comprises a circular lamp housing 1 and a plurality of LED lamp beads 2 arranged inside the lamp housing 1, wherein the plurality of LED lamp beads 2 are arranged in a ring shape with the center of the lamp housing 1 as the center and are equidistantly distributed, and the plurality of LED lamp beads 2 are distributed in multiple circles, a circular mounting substrate 3 for mounting a plurality of LED lamp beads 2 is arranged inside the lamp housing 1, an insulating ring 4 located above the mounting substrate 3 is arranged on the inner side wall of the lamp housing 1, and a contact conductive connecting mechanism 5 which is conductive to the plurality of LED lamp beads 2 on the mounting substrate 3 is arranged on the insulating ring 4; the contact conductive connecting mechanism The lamp housing 1 includes a plurality of first conductive sheets 501 disposed on the mounting substrate 3 and respectively conducting with the plurality of LED lamp beads 2. The first conductive sheets 501 are set in a semi-spherical shape. A surface of the insulating ring 4 close to the mounting substrate 3 is provided with second conductive sheets 502 corresponding to and abutting against the plurality of first conductive sheets 501. The interior of the lamp housing 1 is provided with a rotating switching mechanism 6 for switching the plurality of LED lamp beads 2. The rotating switching mechanism 6 separates one of the plurality of second conductive sheets 502 in each circle from the corresponding first conductive sheet 501, so that the second conductive sheet 502 is in a state of being ... The LED lamp beads 2 connected to one conductive sheet 501 are extinguished and rested, and the remaining several LED lamp beads 2 in each circle work normally. Through the provided contact conductive connection mechanism 5 and the rotation switching rotation mechanism 6, when the lighting device is working, the multiple second conductive sheets 502 on the multiple insulating rings 4 are respectively abutted against the multiple first conductive sheets 501 on the mounting substrate 3. Since the multiple first conductive sheets 501 are respectively abutted against the multiple LED lamp beads 2 one by one, the multiple LED lamp beads 2 emit light and work. When one of the multiple LED lamp beads 2 in each circle is resting, the rotation switching rotation mechanism 6 is turned on every certain period of time. The rotation-rest mechanism 6 separates one of the second conductive plates 502 in each circle from the corresponding first conductive plate 501, causing the LED lamp bead 2 connected to the first conductive plate 501 to extinguish and rest, while the remaining LED lamp beads 2 in each circle work normally. The multiple LED lamp beads 2 in each circle take turns to rest, avoiding overheating and aging of a single LED lamp bead 2 due to long-term continuous work. Combined with the heat dissipation structure of the LED lamp bead 2 in the prior art, the service life of each lamp bead is extended, the stability is improved, and the LED lamp bead 2 is more efficient.

[0043] Specifically, Figure 1 , Figure 3 , Figure 4 and Figure 5As shown, the contact conductive connection mechanism 5 also includes guide holes 503 opened on the insulating ring 4 and corresponding to the plurality of first conductive sheets 501 one by one, the second conductive sheet 502 is set to be U-shaped and passes through the guide hole 503, and a return spring 504 connected to the insulating ring 4 is provided inside the end of the second conductive sheet 502 close to the first conductive sheet 501, and both sides of the end of the second conductive sheet 502 away from the first conductive sheet 501 are provided with first inclined guide plates 505 inclined upward, and the plurality of second conductive sheets 502 are connected in series, and one of the second conductive sheets 502 is electrically connected to the external power supply, and the rotation switching rotation mechanism 6 includes a lamp housing cover 1 and a mounting plate. A fixed shaft 601 is provided between the centers of the substrates 3, and the outer wall of the fixed shaft 601 is connected to a plurality of axially and equidistantly distributed connecting sleeves 602 via a bearing, and the outer walls of the plurality of connecting sleeves 602 are provided with an L-shaped insulating rotating plate 603, and the lengths of the plurality of insulating rotating plates 603 decrease from top to bottom, and an insulating rotating partition plate 604 is provided at one end of the insulating rotating plate 603 away from the connecting sleeve 602, and second guide inclined plates 605 adapted to the first guide inclined plates 505 are provided on both sides of the insulating rotating partition plate 604, and the plurality of insulating rotating plates 603 correspond to each circle of LED lamp beads 2 one by one; whenever the insulating rotating partition plate 604 rotates to the second guide inclined plate 505, After the plate 605 contacts one of the first inclined guide plates 505, under the guidance of the first inclined guide plate 505 and the second inclined guide plate 605, the insulating rotating partition plate 604 continues to rotate so that the second conductive sheet 502 connected to the first inclined guide plate 505 moves upward under the guidance of the guide hole 503, the reset spring 504 is compressed, and the second conductive sheet 502 is separated from the first conductive sheet 501. When a number of LED lamp beads 2 start to work, the rotation switching rotation mechanism 6 also starts to work, and the insulating rotating plate 603 drives the insulating rotating partition plate 604 to rotate around the fixed axis 601, so that the second inclined guide plate 605 on the insulating rotating partition plate 604 and the second inclined guide plate 605 on the insulating rotating partition plate 604 are connected. After one of the first inclined guide plates 505 abuts against each other, under the guiding action of the first inclined guide plate 505 and the second inclined guide plate 605, the insulating rotating partition plate 604 continues to rotate so that the second conductive sheet 502 connected to the first inclined guide plate 505 moves upward under the guiding action of the guide hole 503, and the reset spring 504 is compressed so that the second conductive sheet 502 is separated from the first conductive sheet 501, so that the LED lamp bead 2 connected to the first conductive sheet 501 is powered off and extinguished, and the LED lamp bead 2 is in a resting state. Since the lengths of the multiple insulating rotating plates 603 decrease from top to bottom, one of the LED lamp beads 2 in each circle can be extinguished.

[0044] Specifically, Figure 4 and Figure 5As shown, the rotation switching rotation mechanism 6 also includes a driving assembly 606 for driving multiple connecting sleeves 602 to rotate; the driving assembly 606 includes a first gear 6061 arranged on the outer wall of the connecting sleeve 602, the outer wall of the fixed shaft 601 is sleeved with multiple fixed collars 6062 located above each connecting sleeve 602, the outer wall of the fixed collar 6062 is provided with a fixed connecting plate 6063, the fixed connecting plate 6063 is provided with a second gear 6064 meshing with the first gear 6061, the fixed connecting plate 6063 is installed with a reduction motor 6065 for driving the second gear 6064 to rotate, and when the insulating rotating partition plate 604 rotates, the rotatable interface of the insulating rotating partition plate 604 and the second guide inclined plate 605 does not collide with the reduction motor 6065, the size specifications of the multiple second gears 6064 are consistent, and the number of teeth of the multiple first gears 6061 increases from top to bottom, so that the multiple The speed of the insulating rotating partition plate 604 decreases from top to bottom in sequence. A PLC controller 9 is provided inside the lamp housing 1. The PLC controller 9 is electrically connected to multiple reduction motors 6065, and the multiple reduction motors 6065 are connected in series. The PLC controller 9 controls the multiple reduction motors 6065 to work. When it is necessary to drive the insulating rotating plate 603 to rotate, the output shafts of the multiple reduction motors 6065 drive the second gear 6064 to rotate, and the second gear 6064 is meshed with the first gear 6061, so that the first gear 6061 rotates, and the first gear 6061 drives the corresponding connecting sleeve 602 to rotate around the fixed shaft 601 through the bearing, and the connecting sleeve 602 drives the corresponding insulating rotating plate 603 to rotate, and the insulating rotating plate 603 drives the insulating rotating partition plate 604 to rotate, so that the rotating partition plate can separate the first conductive sheet 501 and the second conductive sheet 502.

[0045] Specifically, Fig. 9 As shown, the bottom end of the fixed shaft 601 is connected to the center of the mounting base plate 3 via a convenient disassembly component 7; the convenient disassembly component 7 includes a positioning column 701 arranged at the bottom end of the fixed shaft 601, the outer wall of the positioning column 701 is annular and equidistantly connected to a limiting block 702, and a limiting groove 703 matching and engaging with the limiting block 702 is provided at the center of the mounting base plate 3. When the mounting base plate 3 is installed, the limiting groove 703 on the mounting base plate 3 is matched and plugged with the limiting block 702 and the positioning column 701 on the fixed shaft 601, thereby improving the stability of the fixed shaft 601 and avoiding the situation in which the fixed shaft 601 is damaged by swinging when the reduction motor 6065 is working.

[0046] Specifically, Figure 7As shown, the mounting substrate 3 is mounted inside the lamp housing 1 via a lamp board mounting member 8; the lamp board mounting member 8 comprises a plurality of equally spaced positioning mounting blocks 801 arranged on the inner wall of the lamp housing 1, a positioning card slot 802 being provided at the lower end of the positioning mounting block 801, and a plurality of positioning card blocks 803 matching and engaging with the positioning card slot 802 being provided on the side of the mounting substrate 3; a first spring latch 804 is embedded on the side of the positioning card block 803, and a pin rod communicating with the positioning card slot 802 and engaging with the first spring latch 804 is provided on the side of the positioning mounting block 801 The matching positioning socket 805, when fixing the mounting substrate 3, the limiting slot 703 on the mounting substrate 3 is matched and plugged with the limiting block 702 and the positioning column 701 on the fixed shaft 601, and the multiple positioning blocks 803 on the mounting substrate 3 are matched and plugged with the positioning slots on the positioning mounting block 801 on the inner wall of the lamp housing 1, and at the same time, the pin rod of the first spring pin 804 is matched and plugged with the positioning socket 805 under the action of elastic force, so that the installation of the mounting substrate 3 can be completed, which is convenient for the installation of the mounting substrate 3 and has high stability.

[0047] Specifically, Figure 6 and Figure 8 As shown, the lamp housing 1 comprises a top housing 101 and a bottom housing 102, a lens 103 is provided in the middle of the bottom housing 102, and the top housing 101 and the bottom housing 102 are connected by threads; the outer wall of the top housing 101 is provided with a second spring latch 104, and the outer wall of the bottom housing 102 is provided with a limiting hole block 105 which is matched and plugged with the pin rod of the second spring latch 104 after the top housing 101 and the bottom housing 102 are connected by threads; when the top housing 101 and the bottom housing 102 are connected, the bottom housing 102 is threadedly connected to the opening of the top housing 101, and under the elastic force of the second spring latch 104, the pin rod of the first spring latch 804 is matched and plugged with the limiting hole block 105, so that the top housing 101 and the bottom housing 102 can be connected with high stability.

[0048] An LED lighting device including high-light-efficiency LED lamp beads comprises any one of the high-light-efficiency LED lamp beads described above.

[0049] When working, the high-light-efficiency LED lamp bead 2 and the LED lighting device including the same are provided with a contact conductive connection mechanism 5 and a rotation switching rotation mechanism 6. When the lighting device is working, the plurality of second conductive sheets 502 on the plurality of insulating rings 4 are respectively in contact with the plurality of first conductive sheets 501 on the mounting substrate 3. Since the plurality of first conductive sheets 501 are respectively in contact with the plurality of LED lamp beads 2 one by one, the plurality of LED lamp beads 2 are made to emit light and work. When one of the plurality of LED lamp beads 2 in each circle is in rotation, the rotation switching rotation mechanism 6 is used to make the plurality of LED lamp beads 2 turn off after a certain period of time. One of the several second conductive sheets 502 in each circle is separated from the corresponding first conductive sheet 501, so that the LED lamp bead 2 connected to the first conductive sheet 501 is extinguished and rested, and the other several LED lamp beads 2 in each circle work normally. The multiple LED lamp beads 2 in each circle are switched to rest in turn, avoiding overheating and aging of a single LED lamp bead 2 due to long-term continuous work. Combined with the heat dissipation structure of the LED lamp bead 2 in the prior art, the service life of each lamp bead is extended, the stability is improved, and the LED lamp bead 2 is more efficient.

[0050] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high light efficiency LED lamp bead, characterized in that: The invention comprises a circular lamp housing (1) and a plurality of LED lamp beads (2) arranged inside the lamp housing (1), wherein the plurality of LED lamp beads (2) are arranged in a ring shape with the center of the lamp housing (1) as the center and are equidistantly distributed, and the plurality of LED lamp beads (2) are arranged in a plurality of circles, a circular mounting substrate (3) for mounting the plurality of LED lamp beads (2) is arranged inside the lamp housing (1), an insulating ring (4) located above the mounting substrate (3) is arranged on the inner side wall of the lamp housing (1), and a contact conductive connection mechanism (5) is arranged on the insulating ring (4) and is in electrical contact with the plurality of LED lamp beads (2) on the mounting substrate (3); The contact conductive connection mechanism (5) comprises a plurality of first conductive sheets (501) provided on the mounting substrate (3) and respectively conducting with the plurality of LED lamp beads (2); the first conductive sheets (501) are arranged in a semi-spherical shape; and a surface of the insulating ring (4) close to the mounting substrate (3) is provided with second conductive sheets (502) corresponding to the plurality of first conductive sheets (501) one by one and abutting against each other; The lamp housing (1) is provided with a rotating switching mechanism (6) for switching a plurality of LED lamp beads (2) to take turns to rest. The rotating switching mechanism (6) causes one of the plurality of second conductive sheets (502) in each circle to separate from the corresponding first conductive sheet (501), so that the LED lamp bead (2) connected to the first conductive sheet (501) turns off and rests, while the remaining plurality of LED lamp beads (2) in each circle work normally. The contact conductive connection mechanism (5) further comprises guide holes (503) formed on the insulating ring (4) and corresponding to the plurality of first conductive sheets (501) one by one, the second conductive sheet (502) being arranged in a U shape and passing through the guide holes (503), a return spring (504) connected to the insulating ring (4) being arranged inside one end of the second conductive sheet (502) close to the first conductive sheet (501), first guide inclined plates (505) inclined upward are arranged on both sides of one end of the second conductive sheet (502) away from the first conductive sheet (501), the plurality of second conductive sheets (502) are connected in series, and one of the second conductive sheets (502) is electrically connected to an external power supply; The rotating switching mechanism (6) comprises a fixed shaft (601) arranged between the center of the lamp housing (1) and the mounting base plate (3); the outer wall of the fixed shaft (601) is connected to a plurality of axially and equidistantly distributed connecting sleeves (602) via a bearing; the outer walls of the plurality of connecting sleeves (602) are each provided with an L-shaped insulating rotating plate (603); the lengths of the plurality of insulating rotating plates (603) decrease from top to bottom; an insulating rotating partition plate (604) is provided at one end of the insulating rotating plate (603) away from the connecting sleeve (602); second inclined guide plates (605) adapted to the first inclined guide plate (505) are provided on both sides of the insulating rotating partition plate (604); and the plurality of insulating rotating plates (603) correspond one by one to each circle of LED lamp beads (2); Whenever the insulating rotating partition plate (604) rotates until the second inclined guide plate (605) abuts against one of the first inclined guide plates (505), under the guiding action of the first inclined guide plate (505) and the second inclined guide plate (605), the insulating rotating partition plate (604) continues to rotate so that the second conductive sheet (502) connected to the first inclined guide plate (505) moves upward under the guiding action of the guide hole (503), the return spring (504) is compressed, and the second conductive sheet (502) is separated from the first conductive sheet (501).

2. A high light efficiency LED lamp bead according to claim 1, characterized in that: The rotation switching rotation mechanism (6) further comprises a driving assembly (606) for driving the plurality of connecting sleeves (602) to rotate; The driving assembly (606) comprises a first gear (6061) arranged on the outer wall of the connecting sleeve (602); the outer wall of the fixed shaft (601) is sleeved with a plurality of fixing collars (6062) located above each connecting sleeve (602); the outer wall of the fixing collar (6062) is provided with a fixing connecting plate (6063); the fixing connecting plate (6063) is provided with a second gear (6064) meshing with the first gear (6061); the fixing connecting plate (6063) is provided with a reduction motor (6065) for driving the second gear (6064) to rotate; and when the insulating rotating partition plate (604) rotates, the rotatable interfaces between the insulating rotating partition plate (604) and the second inclined guide plate (605) do not collide with the reduction motor (6065).

3. A high light efficiency LED lamp bead according to claim 2, characterized in that: The size specifications of the plurality of second gears (6064) are consistent, the number of teeth of the plurality of first gears (6061) increases from top to bottom, a PLC controller (9) is provided inside the lamp housing (1), the PLC controller (9) is electrically connected to the plurality of reduction motors (6065), and the plurality of reduction motors (6065) are connected in series.

4. The high light efficiency LED lamp bead according to claim 2, characterized in that: The bottom end of the fixed shaft (601) is connected to the center of the mounting base plate (3) via a disassembly component (7); The detachable assembly component (7) comprises a positioning column (701) provided at the bottom end of the fixed shaft (601) and connected via a rotating shaft, the outer wall of the positioning column (701) being annular and equidistantly connected to a limiting block (702), and a limiting slot (703) matching and engaging with the limiting block (702) being provided at the center of the mounting base plate (3).

5. The high light efficiency LED lamp bead according to claim 1, characterized in that: The mounting substrate (3) is mounted inside the lamp housing (1) via a lamp board mounting member (8); The lamp board mounting member (8) comprises a plurality of equidistantly distributed positioning mounting blocks (801) arranged on the inner wall of the lamp housing (1); a positioning card slot (802) is provided at the lower end of the positioning mounting block (801); and a plurality of positioning card blocks (803) matching and engaging with the positioning card slot (802) are provided on the side of the mounting base plate (3).

6. The high light efficiency LED lamp bead according to claim 5, characterized in that: A first spring latch (804) is embedded in the side of the positioning block (803), and a positioning socket (805) is provided on the side of the positioning installation block (801) and is connected to the positioning slot (802) and matches the pin of the first spring latch (804).

7. The high light efficiency LED lamp bead according to claim 1, characterized in that: The lamp housing (1) comprises a top housing (101) and a bottom housing cover (102); a lens (103) is provided in the middle of the bottom housing cover (102); and the top housing cover (101) and the bottom housing cover (102) are connected via threads; The outer wall of the top shell cover (101) is provided with a second spring latch (104), and the outer wall of the bottom shell cover (102) is provided with a limiting hole block (105) which matches and plugs with the pin rod of the second spring latch (104) after the top shell cover (101) and the bottom shell cover (102) are threadedly connected.

8. An LED lighting device comprising high-efficiency LED lamp beads, characterized in that: A high-light-efficiency LED lamp bead comprising any one of claims 1-7.

Citation Information

Patent Citations

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  • Smart home LED lamp

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