WO2012000196A1 - Lampe à del, partie centrale de lampe et fixation de lampe associées - Google Patents

Lampe à del, partie centrale de lampe et fixation de lampe associées Download PDF

Info

Publication number
WO2012000196A1
WO2012000196A1 PCT/CN2010/074873 CN2010074873W WO2012000196A1 WO 2012000196 A1 WO2012000196 A1 WO 2012000196A1 CN 2010074873 W CN2010074873 W CN 2010074873W WO 2012000196 A1 WO2012000196 A1 WO 2012000196A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat
core
conducting core
heat sink
wick
Prior art date
Application number
PCT/CN2010/074873
Other languages
English (en)
Chinese (zh)
Inventor
秦彪
Original Assignee
Qin Biao
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 Qin Biao filed Critical Qin Biao
Priority to PCT/CN2010/074873 priority Critical patent/WO2012000196A1/fr
Publication of WO2012000196A1 publication Critical patent/WO2012000196A1/fr

Links

Classifications

    • 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
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/004—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by deformation of parts or snap action mountings, e.g. using clips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • 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
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • 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
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/745—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades the fins or blades being planar and inclined with respect to the joining surface from which the fins or blades extend
    • 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
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/75—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
    • 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
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • 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]

Definitions

  • the invention belongs to the technical field of LED illumination, and particularly relates to an LED illumination lamp in which a heat sink is a component in a lamp, and a wick and a heat sink can be conveniently assembled and disassembled.
  • the wick should be designed and manufactured to the general public. The wick can be properly placed in place without any tools or training, and the thermal resistance between the thermal core and the heat sink is not a problem.
  • the above-mentioned invention patent application does not involve this problem, nor does it disclose a technical solution to solve the problem.
  • the object of the present invention is to solve the above problems, and propose a solution, adopting an axial elastic tensioning mechanism to ensure a certain contact pressure between the heat transfer core and the heat transfer surface of the heat sink, that is, to ensure both The thermal resistance between the contacts does not exceed the specified value, achieving the purpose of reliable heat transfer, reducing the processing accuracy, ie cost.
  • the fastening mechanism with a mounting angle of not more than 180° is not only simple in structure, but also easy to install the wick.
  • LED lighting lamp comprises a heat sink and a wick
  • the wick comprises an LED core and a heat conducting core
  • a heat sink fastening device the heat conducting core is provided with a contact heat transfer surface
  • the heat sink is also provided Corresponding contact heat transfer surface
  • the heat sink is a part of the luminaire
  • the wick can be easily removed and installed from the heat sink (lamp)
  • the heat transfer between the heat sink and the wick is through their contact heat transfer surface.
  • the invention is characterized in that: a fastening mechanism for mounting a rotation angle of not more than 180° is used between the wick and the heat sink, and an axial elastic tensioning mechanism is provided.
  • the so-called fastening mechanism with a rotation angle of not more than 180° is a fastening device on the wick, which is inserted into the heat sink, and the wick is rotated, but the rotation angle cannot exceed 180°, and the wick can be locked on the heat sink. .
  • the fastening mechanism eliminates the need for tools when installing the wick, and it is easy to ensure that the normal user is properly installed.
  • FIG. 1 is a schematic cross-sectional view of a LED illuminating lamp of the present invention, using an axial rod and a horizontal locking rod lock Buckle mechanism.
  • FIG. 2 is a plan view of FIG. 1.
  • FIG. 3 is a schematic cross-sectional view of a LED illuminating lamp of the present invention, which adopts a locking mechanism of an axial rod and a lateral locking rod, and the contact heat transfer surface is a conical surface.
  • FIG. 4 is a schematic cross-sectional view of a LED illuminating lamp of the present invention, which adopts a plug-in rotary locking mechanism and adopts a coaxial electric connector.
  • FIG. 5 is a view of a wick in the LED illuminator shown in FIG. 4, the shackle on the wick and the heat conducting core being of a unitary structure.
  • FIG. 6 is a view of the locker of FIG. 4, and the tongue on the locker adopts a shrapnel structure.
  • FIG. 7 is a schematic cross-sectional view of a LED illuminating lamp of the present invention, which adopts a plug-in rotary locking mechanism, the electrical connection adopts an elastic contact type, and the buckle hook and the heat conducting core are two parts.
  • FIG. 8 is a view of the clasp of FIG. 7.
  • FIG. 9 is a schematic cross-sectional view of a LED illuminating lamp of the present invention, which adopts a screw type rotary locking mechanism.
  • FIG. 10 is a view of the clasp in FIG. 9.
  • FIG. 11 is a view of the locker of FIG. 10.
  • FIG. 12 is a schematic view of a solar fancy structure.
  • FIG. 13 is a schematic view of a solar fancy structure.
  • FIG. 1 shows an LED illumination lamp of the present invention.
  • the contact heat transfer surface between the heat conducting core 2 and the heat sink 3 is planar, the LED core 1 is disposed on the other side of the heat conducting core 2, and the axial rod 4 is thermally conductive.
  • the wick (including the heat conductive core (2) and the LED core (1), and the wick cover (7)) is mounted to the heat sink 3 (lamp): a long strip of lateral locking bars is formed on the heat sink 3 Hole 10, see Fig. 2, the transverse locking rod 5 on the wick passes through the elongated through hole 10 through the heat sink, and rotates at an angle (90° shown in Fig. 2), and the wick is fastened to the heat sink 3 Above, it can be directly seen from Fig. 2 that the rotation angle cannot exceed 180°, so this type of fastening mechanism is called a fastening mechanism with a rotation angle of not more than 180°.
  • the function of the wick cover 7 is to: protect the LED core 1. It is convenient for user installation and secondary optics (for example, scattering or concentrating).
  • the LED lighting lamp shown in FIG. 3, the wicking mechanism of the wick and the heat sink (lamp) is the same as that shown in FIG. 1, and the difference is as follows:
  • the axial elastic tensioning mechanism is different, in FIG. 3, the shaft
  • the elastic tensioning mechanism is disposed on the axial rod 4, and is realized by the spring 11.
  • the axial elastic tensioning mechanism can also adopt the lateral locking rod 5 as the elastic rod design;
  • the contact heat transfer surface is a conical surface.
  • the heat conducting core 2 adopts a conical column structure, and the fins 3 are provided with a conical hole matched with the cone heat conducting core, and the taper surface is contact transmission. Hot noodles.
  • An LED core 1 is disposed at a front end of the heat conductive core 2, a buckle 14 is disposed at a rear end thereof, and a corresponding latch 12 is disposed on the heat sink 3, and
  • FIG. 6 is a view of the locker of FIG. 4 at the latch 12 There is a tongue 15 and a notch for passing the hook on the heat-conducting core.
  • the hook is directly inserted into the buckle and rotated through a certain angle, and the hook 14 is blocked by the tongue 15 on the buckle 12, that is, The heat-conducting core (wick) is fastened to the heat sink (lamp).
  • the lock structure is called a plug-in rotary lock structure, and the rotation angle cannot exceed 180°.
  • the axial elastic tensioning mechanism can be realized by a latching device. As shown in FIG. 6, the tongue 15 on the locking device adopts a spring-like structure, and the tongue 15 can be elastically deformed, and the elastic force of the tongue 15 is pushed. The buckle 14 on the top heat conducting core generates an axial tensioning force.
  • the latching device can also adopt other axial elastic tensioning mechanisms.
  • the clasp 14 shown in Fig. 5 is integrally formed with the heat conducting core 2, and the heat conducting core is made of aluminum material, and the heat conducting core can be manufactured by a hot die casting process, and the production efficiency is high.
  • the electrical connection between the wick and the luminaire is coaxial, and the plug is fixed to the heat sink 3 through the rear cover 13.
  • the LED illumination lamp of the present invention shown in FIG. 7 is similar to that shown in FIG. 4, and similarly uses a plug-in rotary lock structure, and the same fastener with an axial elastic tensioning mechanism.
  • the difference is as follows: In Fig. 7, an elastic contact type electrical connection is used, and an elastic electrode 16 is disposed on the rear cover 13, and a corresponding electrode disk 18 is disposed at the rear end of the heat conductive core 2.
  • a design can be adopted: Only when the heat conducting core (wick) is rotated to (or exceeds) a certain angle, the elastic electrode 16 can contact the corresponding electrode on the electrode disk 18, and the electricity can be turned on, thereby ensuring that the user installs the wick.
  • the contact pressure of the contact heat transfer surface between the heat conductive core and the heat sink is ensured to reach a prescribed value.
  • a corner limiting mechanism is arranged on the locker so that the angle of rotation of the installed wick does not exceed a prescribed angle.
  • the hooks 14 on the heat conductive core can be designed to have inconsistent sizes, corresponding lockers.
  • the upper notch (the hook through the mouth) is inconsistent in size, and only one direction can insert the hook and pass through the lock.
  • a temperature probe 17 is disposed on the central axis, and is fixed on the heat sink 3 through the back cover 13, and the temperature probe 17 is inserted into the heat conductive core 2 to directly detect the temperature of the heat conductive core 2, so that The power is adjusted by the detected temperature of the thermal conductive core to ensure that the temperature of the LED core does not exceed the specified value. It is also possible to set a temperature probe on the heat sink, use a certain characteristic temperature on the heat sink, monitor the power, and ensure that the LED core is not overheated.
  • the clasp 14 and the heat conducting core 2 are two parts, and are assembled into one body by a connecting mechanism (fixed by screws in the figure).
  • the advantages of the design are as follows:
  • the general heat conducting core is made of aluminum, the strength of the aluminum. Not high, divided into two parts, the hook can be made of steel, high strength, low material cost, and the structure of the heat conductive core is simplified, can be manufactured by cold stamping method, high precision, can save mechanical cutting process, improve production effectiveness.
  • an axial elastic displacement connecting mechanism may be adopted between the hook and the heat conducting core to achieve axial elastic tension between the heat conducting core and the heat sink.
  • a spring spring piece
  • the hook on the clasp is designed to resemble the clasp 15 in the latch shown in Figure 6, using a shrapnel configuration.
  • a spiral rotary locking mechanism is adopted between the heat conducting core 2 (wick) and the heat sink 3 (lamp).
  • the locker 10 and 11 respectively show a view of the clasp 14 and the locker 12, which is a screw thread like a screw and a screw, which can be inserted into the lock 12 by rotation, so such a mechanism It is called a screw type rotary locking mechanism, and the rotation angle of the locking mechanism cannot exceed 180°.
  • the locker and the hook structure are simple, and all of them can be made of sheet metal, which is produced by a stamping process, and has high production efficiency.
  • An axial elastic displacement connecting mechanism is adopted between the latch 12 and the heat sink 3 in FIG. 9 , and the spring washer 20 (or spring) between the latch 12 and the heat sink 3 is used to lock the buckle.
  • the device 12 is axially elastically displaceable to achieve axial elastic tension between the heat conducting core and the heat sink.
  • the fins of the sun-pattern structure the structure in which the fins 9 protrude from the side of the heat-conducting column 8 can be manufactured by an aluminum extrusion process, and the heat dissipation performance is optimal, which is the preferred heat dissipation.
  • Slice structure The heat sink in Figure 2 is a sun-flower structure, and the structure shown in Figures 12 and 13 is also a sun-flower structure.
  • a solar fancy heat sink with a limited amount of heat dissipation can be provided with a plurality of fins in the luminaire, and a plurality of solar fins are assembled together, and each fin is provided with a wick.
  • a convection cover 19 can be arranged above the heat sink. As shown in Fig. 7, the chimney suction principle is used to increase the amount of natural convection air to improve the heat dissipation.
  • the taper of the cone heat-conducting core (the taper is defined as: the difference between the diameters of the two cross-sections and the two cross-sections)
  • the ratio of distance which is consistent with the definition of taper in mechanical engineering, should be considered in many ways: The taper is too large, the contact pressure of the axial elastic force is also small, and the diameter of the rear end of the heat conducting core is also small,
  • the utility model considers that the taper of the heat conducting core should not be greater than 1:5; the taper of the heat conducting core is too small, and the processing precision of the tapered column and the tapered hole is high, otherwise the axial compensation displacement is Large, second, prone to self-locking, that is, the heat-conducting core is locked in the taper hole on the heat sink, it is not easy to disassemble, so the taper of the heat-conducting core should be at least
  • the LED core of the present invention includes an 0 LED core.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

La présente invention concerne une lampe à DEL, une partie centrale de lampe et une fixation de lampe associées. La lampe à DEL comprend la partie centrale de lampe et la fixation de lampe pourvue d'une ailette de rayonnement (3). La partie centrale de lampe comprend une partie centrale de DEL (1) et une partie centrale de conduction de la chaleur (2). Un mécanisme de gauchissement et un mécanisme de serrage élastique axial sont disposés entre la partie centrale de lampe et l'ailette de rayonnement, de sorte que la pression de contact de la surface de transfert de chaleur entre la partie centrale de conduction de chaleur et l'ailette de rayonnement est assurée. L'angle de rotation de fixation du mécanisme de gauchissement se situe dans une plage allant de 0 à 180°.
PCT/CN2010/074873 2010-06-30 2010-06-30 Lampe à del, partie centrale de lampe et fixation de lampe associées WO2012000196A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/074873 WO2012000196A1 (fr) 2010-06-30 2010-06-30 Lampe à del, partie centrale de lampe et fixation de lampe associées

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/074873 WO2012000196A1 (fr) 2010-06-30 2010-06-30 Lampe à del, partie centrale de lampe et fixation de lampe associées

Publications (1)

Publication Number Publication Date
WO2012000196A1 true WO2012000196A1 (fr) 2012-01-05

Family

ID=45401325

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/074873 WO2012000196A1 (fr) 2010-06-30 2010-06-30 Lampe à del, partie centrale de lampe et fixation de lampe associées

Country Status (1)

Country Link
WO (1) WO2012000196A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110645551A (zh) * 2019-09-30 2020-01-03 杭州筱趣贸易有限公司 一种基于齿轮传动原理的自动卡紧灯座

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1455134A1 (fr) * 2003-03-06 2004-09-08 Valeo Vision Système de fixation pour lampe à verrouillage
CN101363603A (zh) * 2007-08-08 2009-02-11 威菖股份有限公司 发光二级管灯组
CN201326979Y (zh) * 2008-12-11 2009-10-14 宁波新升泰灯饰有限公司 电器箱和遮光罩的快速连接件
CN101713529A (zh) * 2009-07-23 2010-05-26 秦彪 Led灯芯及其led照明灯
CN101893175A (zh) * 2010-06-21 2010-11-24 秦彪 Led照明灯及其灯芯和灯具
CN201706295U (zh) * 2010-06-21 2011-01-12 秦彪 一种led照明灯及其灯芯和灯具

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1455134A1 (fr) * 2003-03-06 2004-09-08 Valeo Vision Système de fixation pour lampe à verrouillage
CN101363603A (zh) * 2007-08-08 2009-02-11 威菖股份有限公司 发光二级管灯组
CN201326979Y (zh) * 2008-12-11 2009-10-14 宁波新升泰灯饰有限公司 电器箱和遮光罩的快速连接件
CN101713529A (zh) * 2009-07-23 2010-05-26 秦彪 Led灯芯及其led照明灯
CN101893175A (zh) * 2010-06-21 2010-11-24 秦彪 Led照明灯及其灯芯和灯具
CN201706295U (zh) * 2010-06-21 2011-01-12 秦彪 一种led照明灯及其灯芯和灯具

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110645551A (zh) * 2019-09-30 2020-01-03 杭州筱趣贸易有限公司 一种基于齿轮传动原理的自动卡紧灯座
CN110645551B (zh) * 2019-09-30 2020-10-16 浦江功琪机械有限责任公司 一种基于齿轮传动原理的自动卡紧灯座

Similar Documents

Publication Publication Date Title
CN101893175B (zh) Led照明灯及其灯芯和灯具
TW201120364A (en) Lamp device.
CN201429055Y (zh) Led灯具用的散热装置
CN102121690A (zh) 一种led灯管配光散热装置
TW201132866A (en) Fixing element and fixing device and electronic device using the same
CN212840770U (zh) 一种led照明设备
CN202032421U (zh) 一种led灯具
WO2012000196A1 (fr) Lampe à del, partie centrale de lampe et fixation de lampe associées
TWM335921U (en) Heat sink
JP2012074145A5 (fr)
CN201706295U (zh) 一种led照明灯及其灯芯和灯具
CN201636585U (zh) Led灯
CN201440778U (zh) 散热模块
TW201202612A (en) LED light, lamp wick and lamp thereof
CN208338182U (zh) 一种新型电子散热片
CN201440094U (zh) 自锁紧热电偶固定装置
CN202092081U (zh) 发光二极体模组的散热装置
CN201259192Y (zh) 灯具
CN201812810U (zh) 一种电子单元的散热器件
CN218897414U (zh) 一种扣合散热片
CN215601517U (zh) 一种取暖桌用发热管
CN215674908U (zh) 一种灯支架及瓦楞灯
CN201803347U (zh) 可绕式散热装置
CN219638960U (zh) 一种嵌入式柴油机进气加热器
CN209309757U (zh) 一种可快速安装的灯具

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10853901

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10853901

Country of ref document: EP

Kind code of ref document: A1