CN105423152A - LED lamp - Google Patents
LED lamp Download PDFInfo
- Publication number
- CN105423152A CN105423152A CN201510979090.8A CN201510979090A CN105423152A CN 105423152 A CN105423152 A CN 105423152A CN 201510979090 A CN201510979090 A CN 201510979090A CN 105423152 A CN105423152 A CN 105423152A
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- China
- Prior art keywords
- light source
- heat
- led light
- led
- radiator
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- 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.)
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Classifications
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- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/002—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips making direct electrical contact, e.g. by piercing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to an LED lamp. The LED lamp comprises a lamp cap, a driving power source, a heat dissipater, an LED light source and a heat conduction plate; a light source installation groove is formed in the surface of the heat dissipater, the LED light source is installed in the light source installation groove, the heat conduction plate is elastically connected to the surface of the heat dissipater in a clamped mode, and the heat conduction plate presses the surface of the LED light source and the surface of the heat dissipater for forming a sandwich structure; the heat conduction plate is provided a light output hole, and the light output surface of the LED light source is exposed in the light output hole for outputting light; the lamp cap, the driving power source and the LED light source are sequentially and electrically connected; the heat dissipater is provided with a plurality of ventilation holes for air convection; the heat conduction plate is elastically connected to the surface of the heat dissipater in the clamped mode, the LED light source is clamped between the heat conduction plate and the heat dissipater, the contact area is large, and the heat conductivity is good. According to the structure, the LED light source is easy, convenient and fast to replace; the heat dissipater is provided with a plurality of air flow channels for forming the chimney effect, the heat dissipation speed is high, and the heat dissipation performance is good.
Description
Technical field
The present invention relates to lighting field, be specifically related to that a kind of thermal diffusivity is good, the LED of fast changeable light source.
Background technology
LED (LightEmittingDiode), light emitting diode is a kind of can be the solid-state semiconductor devices of visible ray by electric energy conversion, and it directly can be converted into light electricity.The appearance of LED, have energy-conservation, the advantage such as the life-span is long, applicability good, the response time is short, environmental protection relative to ordinary lamps (incandescent lamp etc.), LED can be divided into again by different structures: bulb lamp, shot-light, turn off the light day, filament lamp, pendent lamp etc.
Though the life-span of LED is long, is also not precluded within encapsulation or use procedure and causes LED light source to be scrapped in advance to the damage of LED light source, if all changed by whole lamp, just waste the resource of miscellaneous part.Chinese utility model patent notification number CN203615120U discloses a kind of LED lamp, comprising: LED lamp bead assembly (i.e. LED light source) and radiator, and perforate offered by described radiator, and described bore size is less than the size of described LED lamp bead assembly; When radiator is heated, perforate increases and matches with LED lamp bead assembly; During radiator cooling, described perforate and described LED lamp bead assembly lock.This patent document make use of the principle of expanding with heat and contracting with cold of material, heats, and then cool the perforate of radiator, reach fixing between LED lamp bead assembly and radiator, if LED lamp bead assembly damages, again need heat the perforate of radiator, take out LED lamp bead assembly and change.But this patent is carried out fixing by the sidewall of perforate with the sidewall of LED lamp bead assembly and is contacted, its contact area is limited, due to the deviation of size, more difficultly to contact completely, cause the heat spreader of LED lamp bead assembly not enough, the heat of LED lamp bead assembly accumulation directly affects light efficiency and the life-span of LED lamp bead assembly; Moreover when installing or change assembly, need add the perforate of heat radiator, the devices such as the wire arranged near its position of opening also easily can damage because heating the heat be subject to, and this complex operation, variable is comparatively large, and efficiency is not high, and risk is larger.
Summary of the invention
For solving the problem, the present invention aims to provide that a kind of thermal diffusivity is good, the LED of fast changeable light source.
For achieving the goal, a kind of LED provided by the invention, comprising: lamp holder, driving power, radiator, LED light source, the input electrical connection of described lamp holder and driving power, also comprise: heat-conducting plate, and be electrically connected the metal probe of positive and negative electrode of output of driving power respectively, described radiating appliance has for installing the contact surface placing described LED light source, the one side of described LED light source is fitted with the contact surface of described radiator, described heat-conducting plate with form elastic clamping between radiator and be connected, described heat-conducting plate is provided with a light hole, heat-conducting plate and radiator are clamped LED light source and are formed a sandwich fixed structure, and the light-emitting zone of LED light source is exposed in light hole, two metal probes are separately fixed on heat-conducting plate, and corresponding described LED light source just, negative pole, after LED light source is fixedly clamped by heat-conducting plate and radiator, two metal probes be fixed on heat-conducting plate are just contacting at described LED light source respectively, negative pole and form electrical contact, thus driving power is formed with LED light source be electrically connected.
A preferred embodiment of the present invention, described radiator is provided with a light source mounting groove, the bottom surface of described light source mounting groove is install the contact surface placing described LED light source, the side of described light source mounting groove extends to outside radiator and forms an insert port inserted for LED light source, and described LED light source is inserted in this light source mounting groove by this insert port.
Another kind of preferred version of the present invention, described LED light source comprises: substrate, setting at least one LED luminescence unit on the substrate, the described profile of light source mounting groove and the profile of substrate match, and the groove depth of described light source mounting groove is identical with the height of substrate.
Another kind of preferred version of the present invention, described radiator is provided with two through holes, heat-conducting plate extends two support bars respectively towards these two through holes, two support bars sheathed spring respectively, and a limiting section is set on support bar, described spring-compressed is also limited between limiting section and radiator, realizes elastic clamping be connected between heat-conducting plate with radiator by this spring.
Another kind of preferred version of the present invention, the cable tray passed for wire is equipped with in two support bars, this cable tray runs through the two ends of support bar and extends to the surface of heat-conducting plate, and wire connects output and the metal probe of driving power respectively through this cable tray.
Another kind of preferred version of the present invention, described radiator comprises: base, thermal column, the interior heat-dissipating cylinder of hollow, the outer heat-dissipating cylinder of hollow and multiple fin, the upper surface of base is arranged on for installing the contact surface placing described LED light source, thermal column, interior heat-dissipating cylinder, outer heat-dissipating cylinder is arranged on the lower surface of base, described thermal column is a hollow cylindrical structure, one end of thermal column is connected to the centre position of the lower surface of base, interior heat-dissipating cylinder, outer heat-dissipating cylinder ring is located on the base outside thermal column, multiple fin has being connected between interior heat-dissipating cylinder and outer heat-dissipating cylinder of gap.
Another kind of preferred version of the present invention, the other end of described thermal column connects lamp holder, and driving power is arranged in thermal column.
Another kind of preferred version of the present invention, described thermal column, interior heat-dissipating cylinder and outer heat-dissipating cylinder are equipped with passage, form cross-ventilation between each passage.
Another kind of preferred version of the present invention, described multiple fin is perpendicular to the lower surface of base.
Another kind of preferred version of the present invention, also comprises a lampshade, and described lampshade covers LED light source and is fixedly connected with radiator.
By technical scheme provided by the invention, there is following beneficial effect:
1. heat-conducting plate and spreader surface form elastic clamping and are connected, and LED light source is clipped between heat-conducting plate and radiator, and contact area is large, and thermal conductivity is good; And free-standing contacts between LED light source with metal probe, LED light source is changed easy, quick;
2. radiator has multiple gas channel formation stack effect, and radiating rate is fast, and thermal diffusivity is good.
Accompanying drawing explanation
Figure 1 shows that the LED stereoscopic figure mono-that the present embodiment provides;
Figure 2 shows that the LED stereoscopic figure bis-that the present embodiment provides;
Figure 3 shows that the schematic cross-section of the LED in Fig. 1 along A-A line;
Figure 4 shows that the LED partial appearance stereogram one that the present embodiment provides;
Figure 5 shows that the LED partial appearance stereogram two that the present embodiment provides.
Detailed description of the invention
For further illustrating each embodiment, the invention provides drawings attached.These accompanying drawings are a part for disclosure of the present invention, and it is mainly in order to illustrate embodiment, and the associated description of description can be coordinated to explain the operation principles of embodiment.Coordinate with reference to these contents, those of ordinary skill in the art will be understood that other possible embodiments and advantage of the present invention.Assembly in figure not drawn on scale, and similar element numbers is commonly used to assembly like representation class.
Now the present invention is further described with detailed description of the invention by reference to the accompanying drawings.
Shown in Fig. 5, a kind of LED that the present embodiment provides, comprising: lamp holder 10, driving power 20, radiator, heat-conducting plate 40, spring 50, LED light source 60, metal probe 701, wire 702, lampshade 80, radiator comprises: base 301, thermal column 302, the interior heat-dissipating cylinder 303 of hollow, the outer heat-dissipating cylinder 304 of hollow, multiple fin 305, base 301 upper surface is provided with a light source mounting groove 306, and the outside that light source mounting groove 306 side extends to the base 301 of radiator forms an insert port 309, thermal column 302, interior heat-dissipating cylinder 303, outer heat-dissipating cylinder 304 is arranged on the lower surface of base 301, and thermal column 302 is a hollow cylindrical structure, and one end of thermal column 302 is connected to the centre position of the lower surface of base 301, interior heat-dissipating cylinder 303, one end ring of outer heat-dissipating cylinder 304 is located on the base 301 outside thermal column 302, and its other end forms an opening, multiple fin 305 perpendicular to base 301 lower surface and have a gap be connected between interior heat-dissipating cylinder 303 and outer heat-dissipating cylinder 304, interior heat-dissipating cylinder 303, outer heat-dissipating cylinder 304 is equipped with four passages 307 on one end sidewall of base 301.Driving power 20 is built in thermal column 302, and the other end being formed with the input of driving power 20 that lamp holder 10 is fixed on thermal column 302 is electrically connected, and the sidewall at thermal column 302 two ends is respectively equipped with passage 307.Base 301 is provided with two through holes 308, heat-conducting plate 40 is placed in the upper surface of base 30, and respectively to extending the lower surface of support bar 401 to base 301 in through hole 308, spring 50 is set between the lower surface of support bar 401 and base 301, in support bar 401 lower end, one limiting section 402 is set, spring 50 compresses and is limited between the lower surface of limiting section 402 and base 301, forms elastic clamping and be connected between heat-conducting plate 40 with base 301.A light hole 402 is provided with, the position of light hole 402 corresponding light source mounting groove 306 in the middle of heat-conducting plate 40.The heat-conducting plate 40 of light hole 402 periphery is fixed with two metal probes 701, the cable tray (not shown) passed for wire 702 is equipped with in two support bars 401, this cable tray runs through the two ends of support bar 401 and extends to the surface of heat-conducting plate 40, article two, one end of wire 702 is electrically connected the positive and negative electrode output of driving power 20 respectively, and to be built in respectively in cable tray and to extend to heat-conducting plate 40 formed with two metal probes 701 and be electrically connected.LED light source 60 comprises: substrate 601, be arranged at least one the LED luminescence unit (not shown) on this substrate 601, the insert port 309 that LED light source 60 extends to outside base 301 from light source mounting groove 306 is pushed, and be fixed in light source mounting groove 306, heat-conducting plate 40 relies on elasticity to be pressed on the substrate of LED light source 60 outer side surface, heat-conducting plate 40, a sandwich fixed structure is formed between LED light source 60 and base 301, the light-emitting zone of its LED light source 60 is exposed in light hole 402, after LED light source 60 is fixedly clamped by heat-conducting plate 40 and radiator, two metal probes 701 be fixed on heat-conducting plate 40 are just contacting at LED light source 60 respectively, negative pole and form electrical contact, thus driving power 20 is formed with LED light source 60 be electrically connected.Be provided with screw thread outside base 301, lampshade 80 covers LED light source 60 and is fixedly connected with the screw thread outside base 301.
In the present embodiment, light source mounting groove 306 profile and the profile of substrate 601 of LED light source 60 match, and the groove depth of light source mounting groove 306 is identical with the height of substrate 601, the substrate 601 of LED light source 60 is made to fit closely with light source mounting groove 306, and on the substrate 601 making heat-conducting plate 40 be pressed in LED light source 60 outer side surface while to be formed with the upper surface of base 301 and contact, increase contact area, improve heat-conducting effect.
In the present embodiment, thermal column 302, interior heat-dissipating cylinder 303, outer heat-dissipating cylinder 304 are equipped with passage 307, and passage 307 forms cross-ventilation, in radiation processes, form stack effect, and radiating effect is better.
In the present embodiment, multiple fin 305 perpendicular to base 301 lower surface and have being connected between interior heat-dissipating cylinder 303 and outer heat-dissipating cylinder 304 of gap, fin 305 increases area of dissipation, and its lower surface perpendicular to base 301 is arranged, along the airflow direction of stack effect, improve radiating efficiency.
In the present embodiment, the elasticity of spring 50 makes heat-conducting plate 40 be fitted in the upper surface of base 301 and have certain pressure, can make heat-conducting plate 40 better pressing LED light source 60, and not easily get loose.
When LED works, the heat that LED light source 60 produces conducts to the base plate 301 of radiator with on heat-conducting plate 40 through substrate, the heat of heat-conducting plate 40 conducts on base plate 301 again, the heat of base plate 301 conducts to thermal column 302 again, interior heat-dissipating cylinder 303, on outer heat-dissipating cylinder 304 and fin 305, in the process of conduction, position heat near base plate 301 lower surface is larger, air themperature is higher, there is temperature difference in radiator two ends, cold air promotes hot-air to rising, hot-air is by passage 308 or by interior heat-dissipating cylinder 303, the opening that outer heat-dissipating cylinder 304 is formed is discharged, air-flow takes away the heat of radiator, accelerate heat radiation, its good heat dissipation effect.In a particular embodiment, no matter LED light source 60 light direction of this LED arranges downwards or upwards arranges, and its radiator all can form cross-ventilation.
When LED light source 60 damage needs to change, the lampshade 80 of LED is taken off, with hand, heat-conducting plate 40 is pulled open, again old LED light source 60 is taken out, the insert port 309 that new LED light source 60 extends to outside base 301 from light source mounting groove 306 is pushed simultaneously, and be fixed in light source mounting groove 306, the positive and negative electrode of LED light source 60 is aimed at the metal probe 701 with corresponding polarity simultaneously, decontrol heat-conducting plate 40, heat-conducting plate 40 is pressed together on the upper surface of light source mounting groove 306 and base 301 by the pulling force of spring 50, and fixes LED light source 60.Follow-up lampshade 80 is installed again.It has changes simple, fast effect.
Technical scheme provided by the invention, heat-conducting plate 40 and spreader surface form elastic clamping and are connected, and LED light source 60 is clipped between heat-conducting plate 40 and radiator, and contact area is large, and thermal conductivity is good; And free-standing contacts between LED light source 60 with metal probe 701, LED light source 60 is changed easy, quick; Radiator has multiple gas channel and forms stack effect, and radiating rate is fast, and thermal diffusivity is good.
Although specifically show in conjunction with preferred embodiment and describe the present invention; but those skilled in the art should be understood that; not departing from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.
Claims (10)
1. a LED, comprise: lamp holder, driving power, radiator, LED light source, the input electrical connection of described lamp holder and driving power, is characterized in that, also comprise: heat-conducting plate, and be electrically connected the metal probe of positive and negative electrode of output of driving power respectively, described radiating appliance has for installing the contact surface placing described LED light source, the one side of described LED light source is fitted with the contact surface of described radiator, described heat-conducting plate with form elastic clamping between radiator and be connected, described heat-conducting plate is provided with a light hole, heat-conducting plate and radiator are clamped LED light source and are formed a sandwich fixed structure, and the light-emitting zone of LED light source is exposed in light hole, two metal probes are separately fixed on heat-conducting plate, and corresponding described LED light source just, negative pole, after LED light source is fixedly clamped by heat-conducting plate and radiator, two metal probes be fixed on heat-conducting plate are just contacting at described LED light source respectively, negative pole and form electrical contact, thus driving power is formed with LED light source be electrically connected.
2. LED according to claim 1, it is characterized in that: described radiator is provided with a light source mounting groove, the bottom surface of described light source mounting groove is install the contact surface placing described LED light source, the side of described light source mounting groove extends to outside radiator and forms an insert port inserted for LED light source, and described LED light source is inserted in this light source mounting groove by this insert port.
3. LED according to claim 2, it is characterized in that: described LED light source comprises: substrate, setting at least one LED luminescence unit on the substrate, the described profile of light source mounting groove and the profile of substrate match, and the groove depth of described light source mounting groove is identical with the height of substrate.
4. LED according to claim 1, it is characterized in that: described radiator is provided with two through holes, heat-conducting plate extends two support bars respectively towards these two through holes, two support bars sheathed spring respectively, and a limiting section is set on support bar, described spring-compressed is also limited between limiting section and radiator, realizes elastic clamping be connected between heat-conducting plate with radiator by this spring.
5. LED according to claim 4, it is characterized in that: in two support bars, be equipped with the cable tray passed for wire, this cable tray runs through the two ends of support bar and extends to the surface of heat-conducting plate, and wire connects output and the metal probe of driving power respectively through this cable tray.
6. LED according to claim 1, it is characterized in that: described radiator comprises: base, thermal column, the interior heat-dissipating cylinder of hollow, the outer heat-dissipating cylinder of hollow and multiple fin, the upper surface of base is arranged on for installing the contact surface placing described LED light source, thermal column, interior heat-dissipating cylinder, outer heat-dissipating cylinder is arranged on the lower surface of base, described thermal column is a hollow cylindrical structure, one end of thermal column is connected to the centre position of the lower surface of base, interior heat-dissipating cylinder, outer heat-dissipating cylinder ring is located on the base outside thermal column, multiple fin has being connected between interior heat-dissipating cylinder and outer heat-dissipating cylinder of gap.
7. LED according to claim 6, is characterized in that: the other end of described thermal column connects lamp holder, and driving power is arranged in thermal column.
8. LED according to claim 6, is characterized in that: described thermal column, interior heat-dissipating cylinder and outer heat-dissipating cylinder are equipped with passage, form cross-ventilation between each passage.
9. LED according to claim 6, is characterized in that: described multiple fin is perpendicular to the lower surface of base.
10. LED according to claim 1, is characterized in that: also comprise a lampshade, and described lampshade covers LED light source and is fixedly connected with radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510979090.8A CN105423152B (en) | 2015-12-23 | 2015-12-23 | A kind of LED light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510979090.8A CN105423152B (en) | 2015-12-23 | 2015-12-23 | A kind of LED light |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105423152A true CN105423152A (en) | 2016-03-23 |
| CN105423152B CN105423152B (en) | 2018-11-30 |
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ID=55501566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510979090.8A Active CN105423152B (en) | 2015-12-23 | 2015-12-23 | A kind of LED light |
Country Status (1)
| Country | Link |
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| CN (1) | CN105423152B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161004A (en) * | 2019-05-23 | 2019-08-23 | 广东祥新光电科技有限公司 | Fluorescence diaphragm detection device and method |
| CN115464338A (en) * | 2022-09-14 | 2022-12-13 | 乐雷光电(中国)有限公司 | Novel heat conduction mode and production process of LED lamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102652242A (en) * | 2009-12-10 | 2012-08-29 | 欧司朗股份有限公司 | Led lamp |
| CN102661517A (en) * | 2012-05-14 | 2012-09-12 | 陈广友 | Clamping LED lamp |
| CN104613431A (en) * | 2015-02-12 | 2015-05-13 | 林闽应 | Conveniently-assembled LED lamp support and LED lamp with same |
| CN104848069A (en) * | 2015-06-08 | 2015-08-19 | 深圳市稀路电器有限公司 | Double-sided substrate for LED (light-emitting diode) lighting and LED lighting device |
| CN205424489U (en) * | 2015-12-23 | 2016-08-03 | 厦门多彩光电子科技有限公司 | LED lamp |
-
2015
- 2015-12-23 CN CN201510979090.8A patent/CN105423152B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102652242A (en) * | 2009-12-10 | 2012-08-29 | 欧司朗股份有限公司 | Led lamp |
| CN102661517A (en) * | 2012-05-14 | 2012-09-12 | 陈广友 | Clamping LED lamp |
| CN104613431A (en) * | 2015-02-12 | 2015-05-13 | 林闽应 | Conveniently-assembled LED lamp support and LED lamp with same |
| CN104848069A (en) * | 2015-06-08 | 2015-08-19 | 深圳市稀路电器有限公司 | Double-sided substrate for LED (light-emitting diode) lighting and LED lighting device |
| CN205424489U (en) * | 2015-12-23 | 2016-08-03 | 厦门多彩光电子科技有限公司 | LED lamp |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161004A (en) * | 2019-05-23 | 2019-08-23 | 广东祥新光电科技有限公司 | Fluorescence diaphragm detection device and method |
| CN115464338A (en) * | 2022-09-14 | 2022-12-13 | 乐雷光电(中国)有限公司 | Novel heat conduction mode and production process of LED lamp |
| CN115464338B (en) * | 2022-09-14 | 2024-04-02 | 乐雷光电(中国)有限公司 | Heat conduction mode of LED lamp and production process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105423152B (en) | 2018-11-30 |
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