CN113915553A - LED classroom lamp - Google Patents

LED classroom lamp Download PDF

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Publication number
CN113915553A
CN113915553A CN202111271878.5A CN202111271878A CN113915553A CN 113915553 A CN113915553 A CN 113915553A CN 202111271878 A CN202111271878 A CN 202111271878A CN 113915553 A CN113915553 A CN 113915553A
Authority
CN
China
Prior art keywords
led
lamp
chassis
lens
grooves
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111271878.5A
Other languages
Chinese (zh)
Inventor
陈翔
曹兵
陈世雄
潘长旺
邵祥松
陈冬冬
朱康杰
翟福明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANJING CHINA ELECTRONICS PANDA LIGHTING CO Ltd
Original Assignee
NANJING CHINA ELECTRONICS PANDA LIGHTING CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NANJING CHINA ELECTRONICS PANDA LIGHTING CO Ltd filed Critical NANJING CHINA ELECTRONICS PANDA LIGHTING CO Ltd
Priority to CN202111271878.5A priority Critical patent/CN113915553A/en
Publication of CN113915553A publication Critical patent/CN113915553A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/14—Bayonet-type fastening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/36—Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

The invention discloses an LED classroom lamp, which comprises a chassis and a panel frame arranged on the chassis, wherein a prismatic crystal plate and a diffusion plate are embedded in the panel frame, the diffusion plate is closer to the chassis than the prismatic crystal plate, a plurality of strip-shaped first grooves are formed in the inner bottom surface of the chassis, LED lamp strips are fixed in the first grooves, each LED lamp strip forms a circuit loop through an internal connecting wire, the LED lamp strips are also connected with external connecting wires, and the external ends of the external connecting wires are connected with a driving power supply; the LED lamp strip passes through the viscose to be fixed in first recess, and the viscose includes normal viscidity hot melt adhesive and heat-conducting glue, and wherein normal viscidity hot melt adhesive is located the both ends in first recess, and the heat-conducting glue is located the recess between the normal viscidity hot melt adhesive at both ends. The LED classroom lamp has the advantages of preventing glare and stroboflash and being capable of being produced and manufactured at a higher speed.

Description

LED classroom lamp
Technical Field
The invention belongs to the field of LED illumination, and particularly relates to an LED classroom lamp.
Background
In the existing education illumination field, a fluorescent lamp tube or a common LED fluorescent lamp tube is mostly adopted. The lamp tube has the problems of glare, stroboflash, blue light hazard, too low color development, poor illumination and the like, and the eye health of teenagers and children is seriously influenced. In addition, in the existing LED classroom lamp, the LED lamp strip is fixed through silica gel, but the silica gel is slow to cure, and the subsequent process can be carried out only after the silica gel is cured and fixed in production, so that the waiting time is long, and the production efficiency is seriously influenced. In addition, in the existing LED classroom lamp, when the lamp beads are fixed by the adhesive, the lens deflection phenomenon is often caused by factors such as equipment vibration and equipment errors, and the accuracy of the relative position of the lamp beads and the lens is affected, so that the accuracy and consistency of the light type cannot be ensured.
Disclosure of Invention
In order to solve the problems of glare, stroboflash, blue light harm, too low color development, poor illumination and the like, and solve the problems of long waiting time and inaccurate relative positions of lamp beads and lenses in the stage of curing the LED lamp strip by using the silica gel, the invention provides an LED classroom lamp.
The LED classroom lamp comprises a chassis and a panel frame arranged on the chassis, wherein a prismatic crystal plate and a diffusion plate are embedded in the panel frame, the diffusion plate is closer to the chassis than the prismatic crystal plate, a plurality of strip-shaped first grooves are formed in the inner bottom surface of the chassis, LED lamp strips are fixed in the first grooves, each LED lamp strip forms a circuit loop through an internal connecting wire, the LED lamp strips are also connected with external connecting wires, and the external ends of the external connecting wires are connected with a driving power supply;
the LED lamp strip passes through the viscose to be fixed in first recess, and the viscose includes normal viscidity hot melt adhesive and heat-conducting glue, and wherein normal viscidity hot melt adhesive is located the both ends in first recess, and the heat-conducting glue is located the recess between the normal viscidity hot melt adhesive at both ends.
In order to avoid the deflection phenomenon caused by the lens in the bonding process and improve the bonding stability, the LED light bar comprises a strip-shaped aluminum substrate, a plurality of lamp beads and a lens, wherein the lamp beads are fixed on the aluminum substrate through solder paste by reflow soldering, the lens is positioned above the lamp beads, the aluminum substrate is provided with a positioning hole, the bottom of the lens is provided with a positioning pin matched with the positioning hole, the positioning pin of the lens is inserted into the positioning hole for positioning, and the positioned lens is fixed on the aluminum substrate through an adhesive; the emergent light of the lamp bead is full-spectrum light.
In order to further improve the bonding stability of lens, the locating hole is three, and the locating pin is three, and the lamp pearl is located the triangle-shaped that three locating hole encloses.
In order to ensure that the whole lamp has no stroboflash, the driving power supply is provided with a ripple depth control circuit and is connected with an external connecting wire in a socket way.
In order to improve the heat dissipation performance of the LED lamp strip and the firmness of the chassis, a plurality of second grooves perpendicular to the first grooves are formed in the bottom surface of the chassis.
Has the advantages that: according to the LED classroom lamp, the first strip-shaped grooves are formed in the base plate, the normally-viscous hot melt adhesive and the heat-conducting adhesive are arranged in the first grooves, the normally-viscous hot melt adhesive positioned at the two end parts in the grooves can fix the two ends of the LED lamp strip instantly, so that the LED lamp strip is ensured not to shake and shift, and the problem that the LED lamp strip is not beneficial to mass flow production due to long curing time and easy shake and shift caused by only using the heat-conducting adhesive in the past is solved; the positioning holes are formed in the aluminum substrate, the matched positioning pins are arranged at the bottom of the lens, and the positioning pins can be inserted into the positioning holes to be quickly positioned before the lens is adhered to the aluminum substrate, so that the lens deflection phenomenon caused by factors such as equipment vibration and equipment errors in the lens attaching process is prevented, and the accuracy of the relative position of the lamp beads and the lens is ensured, so that the accuracy and consistency of the light type are ensured, the yield of the process is improved, the efficiency is improved, and the cost is saved; the positioning holes and the positioning pins are respectively set to be three, and the lamp beads are positioned in a triangle formed by the three positioning holes, so that the stability of the positioned lamp beads is improved; the driving power supply is provided with a ripple depth control circuit, so that the whole lamp is ensured to have no stroboflash, and the driving power supply and an external connecting wire are arranged to be in socket connection, so that the later-stage disassembly and maintenance are facilitated; a plurality of second grooves perpendicular to the first grooves are formed in the bottom surface of the chassis, so that the heat dissipation performance of the LED lamp strip and the firmness of the chassis are improved.
Drawings
FIG. 1 is an exploded view of an LED classroom lamp in accordance with an embodiment of the present invention;
FIG. 2 is an exploded view of an LED light bar;
FIG. 3 is a schematic structural view of a chassis;
FIG. 4 is a schematic view of a structure of a chassis combined with an LED light bar;
FIG. 5 is a schematic structural view of a lens, wherein (a) is a front view and (b) is a bottom view;
in the figure, 1, a panel frame; 2. a prismatic crystal plate; 3. a diffusion plate; 4. an internal connection wire; 5. an LED light bar; 51. a lens; 511. positioning pins; 52. a lamp bead; 53. soldering paste; 54. a binder; 55. an aluminum substrate; 551. positioning holes; 6. heat conducting glue; 7. a normally viscous hot melt adhesive; 8. a chassis; 81. a first groove; 9. an external connection lead; 10. the power supply is driven.
Detailed Description
The technical solution of the present invention is described in detail below by examples and drawings, but the scope of the present invention is not limited to the examples.
Examples
As shown in fig. 1 to 5, an LED classroom lamp includes a chassis 8 and a panel frame 1 mounted on the chassis 8. The chassis 8 is made of metal materials and is formed by punching, and three strip-shaped first grooves 81 and a plurality of second grooves perpendicular to the first grooves 81 are formed in the inner bottom surface of the chassis 8; be fixed with LED lamp strip 5 in first recess 81, the width and the degree of depth of first recess 81 cooperate with LED lamp strip 5, can carry on spacingly to LED lamp strip 5, make the installation more convenient, the second recess that sets up is convenient for dispel the heat and improve the fastness on chassis. The LED light bar 5 is fixed in the first groove 81 through bonding of viscose, the viscose comprises a normally-sticky hot melt adhesive 7 and a heat-conducting adhesive 6, the normally-sticky hot melt adhesive 7 is a conventional hot melt adhesive which can be used for bonding and fixing the LED light bar, and the normally-sticky hot melt adhesive 7 is uniformly coated on two end portions in the first groove 81 through a dispenser, can be instantly cured and does not have heat conductivity; the heat-conducting glue 6 is heat-conducting silica gel, and is uniformly coated in a groove between the normally-viscous hot melt adhesives 7 at two ends through a glue dispenser, so that the heat-conducting function is achieved, but the curing time is long. By combining the two glues, the continuity of the production process is guaranteed, the efficiency is improved, and the heat dissipation requirement is met.
The LED light bar 5 comprises a strip-shaped aluminum substrate 55, a plurality of light beads 52 fixed on the aluminum substrate 55 through solder paste 53 by reflow soldering, and a lens 51 positioned above the light beads 52. The soldering paste 53 is printed on the aluminum substrate 55, the lamp beads 52 are attached to the aluminum substrate 55 printed with the soldering paste 53 through a chip mounter, and then the soldering paste is cured through reflow soldering; be equipped with three locating hole 551 on aluminium base board 55 around lamp pearl 52, be equipped with three locating pin 511 with locating hole 551 matched with in lens 51 bottom, the locating pin 511 of lens 51 inserts and fixes a position in locating hole 551, rethread lens chip mounter coats lens 51 adhesive 54 bonding and fixes on aluminium base board 55, thus, can prevent that the attached in-process of lens 51 is because of equipment vibrations, the lens skew phenomenon that factors such as equipment error caused, guarantee the accuracy of the relative position of lamp pearl 52 and lens 51, thereby guarantee the accuracy and the uniformity of light type, thereby promote the yield of this process and promote efficiency, and the cost is saved. The lens 51 is of a large-angle diffusion light type, so that the light emitted by the whole lamp is more uniform; the emergent light of the lamp bead is full-spectrum light, the energy proportion of blue light is low, and the color rendering index is high.
Each LED lamp strip 5 forms the circuit loop through internal connection wire 4, LED lamp strip 5 still is connected with external connection wire 9, the inside end welding of external connection wire 9 is on LED lamp strip 5, external end connection drive power supply 10, the external end is to inserting the type interface, be to inserting the connection with drive power supply 10's output, so both easy to assemble make things convenient for later maintenance again, drive power supply 10 has control ripple degree of depth circuit, guarantee that lamps and lanterns do not have the stroboscopic.
The prismatic crystal plate 2 and the diffusion plate 3 are tightly embedded in the panel frame 1, the panel frame 1 and the chassis 8 are installed through screws and screw holes, and the diffusion plate 3 is close to the chassis 8 than the prismatic crystal plate 2, namely, the lamp beads 52 are opposite to the diffusion plate 3. The diffusion plate 3 is made of milky white plastic, plays a role in diffusing light emitted by the LED lamp strip 5, and ensures the uniformity of light emitted by the whole lamp. The prismatic crystal plate 2 is made of plastic, a micro crystalline structure is arranged on the surface of the prismatic crystal plate, and the anti-dazzle effect is achieved through continuous refraction of light. Because diffuser plate 3 and prismatic crystal plate 2 are the plastics material and length is longer, and the area is great, help strengthening its structural strength after the installation like this, when guaranteeing that the light emitting area is not sunken, also make light diffusion more even, the anti-dazzle effect is better.
The above-mentioned techniques not specifically mentioned refer to the prior art.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (5)

1. An LED classroom lamp is characterized by comprising a chassis and a panel frame arranged on the chassis, wherein a prismatic crystal plate and a diffusion plate are embedded in the panel frame, the diffusion plate is closer to the chassis than the prismatic crystal plate, a plurality of strip-shaped first grooves are formed in the inner bottom surface of the chassis, LED lamp strips are fixed in the first grooves, each LED lamp strip forms a circuit loop through an internal connecting wire, the LED lamp strips are also connected with external connecting wires, and the external ends of the external connecting wires are connected with a driving power supply;
the LED lamp strip passes through the viscose to be fixed in first recess, and the viscose includes normal viscidity hot melt adhesive and heat-conducting glue, and wherein normal viscidity hot melt adhesive is located the both ends in first recess, and the heat-conducting glue is located the recess between the normal viscidity hot melt adhesive at both ends.
2. The LED classroom lamp according to claim 1, wherein the LED light bar comprises a strip-shaped aluminum substrate, a plurality of light beads fixed on the aluminum substrate through solder paste by reflow soldering, and a lens positioned above the light beads, the aluminum substrate is provided with positioning holes, the bottom of the lens is provided with positioning pins matched with the positioning holes, the positioning pins of the lens are inserted into the positioning holes for positioning, and the positioned lens is fixed on the aluminum substrate through an adhesive; the emergent light of the lamp bead is full-spectrum light.
3. The LED classroom lamp as claimed in claim 2, wherein there are three positioning holes, there are three positioning pins, and the lamp bead is located in a triangle defined by the three positioning holes.
4. The LED classroom lamp according to any one of claims 1-3, wherein the drive power supply has a ripple depth control circuit and is jack connected to external connection wires.
5. The LED classroom lamp as claimed in claim 4, wherein the bottom surface of the base plate is formed with a plurality of second grooves perpendicular to the first grooves.
CN202111271878.5A 2021-10-29 2021-10-29 LED classroom lamp Pending CN113915553A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111271878.5A CN113915553A (en) 2021-10-29 2021-10-29 LED classroom lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111271878.5A CN113915553A (en) 2021-10-29 2021-10-29 LED classroom lamp

Publications (1)

Publication Number Publication Date
CN113915553A true CN113915553A (en) 2022-01-11

Family

ID=79243605

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111271878.5A Pending CN113915553A (en) 2021-10-29 2021-10-29 LED classroom lamp

Country Status (1)

Country Link
CN (1) CN113915553A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103604054A (en) * 2013-11-08 2014-02-26 得实半导体照明(江门)有限公司 LED lamp with replaceable LED lighting chip
CN104565952A (en) * 2015-01-28 2015-04-29 广西盛和电子科技股份有限公司 LED (light emitting diode) eye protecting lamp tube
CN104964179A (en) * 2015-02-13 2015-10-07 立达信绿色照明股份有限公司 Fluorescent lamp
CN206207171U (en) * 2016-10-26 2017-05-31 贵派电器股份有限公司 Led flat lamp
CN107255230A (en) * 2017-05-11 2017-10-17 丁大为 A kind of LED lamp
CN210469878U (en) * 2019-07-29 2020-05-05 江门市朝辉电子有限公司 Detachable and freely-placed LED circuit board
CN210511378U (en) * 2019-08-19 2020-05-12 广州市莱帝亚照明股份有限公司 Classroom emergency lighting lamp
CN210928081U (en) * 2019-12-19 2020-07-03 中山市宏新盛电子有限公司 Stroboflash-free LED driving power supply
CN211315976U (en) * 2020-01-10 2020-08-21 东莞市瑞锋照明科技有限公司 Metal plate diamond crystal type classroom lamp
CN212961216U (en) * 2020-08-07 2021-04-13 中山市视佳乐照明科技有限公司 Classroom lamp chassis with light-transmitting holes

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103604054A (en) * 2013-11-08 2014-02-26 得实半导体照明(江门)有限公司 LED lamp with replaceable LED lighting chip
CN104565952A (en) * 2015-01-28 2015-04-29 广西盛和电子科技股份有限公司 LED (light emitting diode) eye protecting lamp tube
CN104964179A (en) * 2015-02-13 2015-10-07 立达信绿色照明股份有限公司 Fluorescent lamp
CN206207171U (en) * 2016-10-26 2017-05-31 贵派电器股份有限公司 Led flat lamp
CN107255230A (en) * 2017-05-11 2017-10-17 丁大为 A kind of LED lamp
CN210469878U (en) * 2019-07-29 2020-05-05 江门市朝辉电子有限公司 Detachable and freely-placed LED circuit board
CN210511378U (en) * 2019-08-19 2020-05-12 广州市莱帝亚照明股份有限公司 Classroom emergency lighting lamp
CN210928081U (en) * 2019-12-19 2020-07-03 中山市宏新盛电子有限公司 Stroboflash-free LED driving power supply
CN211315976U (en) * 2020-01-10 2020-08-21 东莞市瑞锋照明科技有限公司 Metal plate diamond crystal type classroom lamp
CN212961216U (en) * 2020-08-07 2021-04-13 中山市视佳乐照明科技有限公司 Classroom lamp chassis with light-transmitting holes

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