CN203349170U - Energy-saving LED (Light Emitting Diode) lamp - Google Patents
Energy-saving LED (Light Emitting Diode) lamp Download PDFInfo
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- CN203349170U CN203349170U CN2013206167362U CN201320616736U CN203349170U CN 203349170 U CN203349170 U CN 203349170U CN 2013206167362 U CN2013206167362 U CN 2013206167362U CN 201320616736 U CN201320616736 U CN 201320616736U CN 203349170 U CN203349170 U CN 203349170U
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- BDKLKNJTMLIAFE-UHFFFAOYSA-N 2-(3-fluorophenyl)-1,3-oxazole-4-carbaldehyde Chemical compound FC1=CC=CC(C=2OC=C(C=O)N=2)=C1 BDKLKNJTMLIAFE-UHFFFAOYSA-N 0.000 description 1
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- 239000013078 crystal Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004446 light reflex Effects 0.000 description 1
- -1 low price Substances 0.000 description 1
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- 239000010935 stainless steel Substances 0.000 description 1
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses an energy-saving LED (Light Emitting Diode) lamp, comprising a horn-shaped lamp housing with an opened upper end and an opened lower end, wherein a lampshade is arranged on the upper end of the lamp housing; a lamp holder is arranged on the lower end of the lamp housing; a circuit board is arranged between the lamp housing and the lamp holder; an LED lamp bank and a drive unit are arranged on the upper board surface of the circuit board; a radiator is arranged on the lower board surface of the circuit board; a reflecting plate is sleeved on the LED lamp bank; open bores which are used for fixing LED lamps in the LED lamp bank are formed in the reflecting plate; internal grooves are uniformly distributed in the inner walls of the lamp housing and the lampshade. According to the energy-saving LED lamp, the internal grooves are uniformly distributed in the inner walls of the lampshade and the lamp housing, the reflecting plate is sleeved on the LED lamp bank, and the illuminating effect of the LED lamp is greatly improved; due to the adoption of the design of the drive unit, uninterruptible power supply is realized when the LED lamp bank is applied in an alternating current power supply or a direct current power supply; a plurality of radiating pin pillars are additionally arranged on a radiating substrate, the radiating area is greatly increased, and the defect that the local heating of the LED lamp is overlarge is effectively overcome.
Description
Technical field
The utility model relates to a kind of LED light fixture, relates in particular to a kind of energy-saving LED lamp.
Background technology
The application of existing LED illuminating product is very wide, as various lamp decorations etc.The structure of existing LED illuminating product is such: with the wiring board of a large amount of components being arranged as its control section, highlighted LED is arranged in a plastic lamp shade as illuminator, its variation effect only has the saltus step function, and having that low, the muddy chromatic effect of illumination is poor, circuit is complicated, function reaches the shortcoming that cost is high less, is not desirable illuminating product.In addition, although the LED light fixture has higher brightness than incandescent lamp, but the LED light fixture only can convert a fraction of electric energy to luminous energy, most electric energy distributes in light fixture with the form of heat, and the LED crystal grain of LED light fixture is semi-conducting material, non-refractory, the high temperature that the heat energy accumulation produces can affect the service life of LED light fixture on the one hand, can make the LED light fixture in work produce light decay, and affect illumination intensity, on the other hand, at some, the place of inflammable and explosive dust or gas is arranged, once the contact-making surface temperature of shell and inflammable and explosive dust or gas will be blasted higher than ignition temperature.Therefore, the LED light fixture must be equipped with heat dissipation equipment, in order to the heat by lamp interior, conducts in surrounding environment.Along with the raising of LED lamp power, accumulation of heat strengthens, and in order to reduce thermal resistance, light fixture is maintained to the temperature range of normal operation, needs larger area of dissipation.
The utility model content
For the defect of prior art, the purpose of this utility model is to propose a kind ofly can to strengthen illumination, energy-saving LED lamp that heat dispersion is good.
The utility model is achieved by the following technical solution:
A kind of energy-saving LED lamp, comprise the tubaeform lamp housing of a upper and lower end opening, and the upper end of this lamp housing is provided with lampshade, its lower end is provided with lamp socket, between described lamp housing and lamp socket, is provided with a wiring board, wherein:
The upper face of described wiring board is provided with LED lamp group and driver element, its lower face are provided with radiator;
Be arranged with a reflecting plate on described LED lamp group, described reflecting plate is provided with the perforate for each LED lamp of fixed L ED lamp group;
Be evenly equipped with inner groovy on the inwall of described lampshade and lamp housing.
Further, described driver element comprises:
Power subsystem, its output is connected with control module;
Control module, be connected with power subsystem with the power end of LED lamp group respectively;
Standby power unit, comprise a battery, and this battery is connected and is connected with the output of power subsystem by control module with the power end of LED lamp group; With
The charging indicating member, be connected with standby power unit, comprises an indicator lamp and two transistors.
Further, described power subsystem is dc source.
Further, described power subsystem comprises that a transformer and is connected to the rectification circuit of this transformer output; The external AC power of the input of described power subsystem, by output one direct current power supply after transformer and rectifier.
Further, described control circuit comprises a resistor, a light emitting diode, a transistor and a zener diode, described transistorized base terminal is connected to earth terminal by described zener diode, its emitter terminal is connected to the power end of LED lamp group, its collector terminal is connected with described resistor, and described light emitting diode is in series with a resistor.
Further, described radiator comprises the heat-radiating substrate be connected with wiring board and is distributed in each radiating fin post on the heat-radiating substrate lower face.
Further, upper face and the wiring board of described heat-radiating substrate is bonding, its lower face be provided with to downward-extension and for filling the projection of phase-change material, described each radiating fin post all with vertical connection of lower face of heat-radiating substrate.
Further, the cross-sectional diameter of described radiating fin post is less than or equal to 0.5mm.
Further, be evenly equipped with the inner groovy of horizontally set on the inwall of described lampshade, be evenly equipped with the inner groovy of vertical setting on the inwall of described lamp housing.
The utility model beneficial effect is:
1) LED light fixture of the present utility model, by lampshade and envelope inner wall, being uniformly distributed inner groovy, utilize light penetrating object reflection and refraction principle, makes it luminous more even, soft; Sheathed reflecting plate on LED lamp group, make the light of part under LED lamp group pass through this baffle reflection to lampshade, strengthened Color-changing lamp illumination, greatly improved illuminating effect of the present utility model.
2) LED light fixture of the present utility model, by the design to driver element, make LED lamp group no matter be applied to, under interchange or dc source, all have uninterrupted power supply, and allow LED lamp group have more perfect operating function.
3) LED light fixture of the present utility model, by add a plurality of radiating fin posts on heat-radiating substrate, greatly increased area of dissipation, strengthened the heat-sinking capability of radiator, filled phase-change material in radiator, in the situation that same heat-sinking capability is provided simultaneously, reduced the size of LED lamp radiator, can make the structural design of LED light fixture more compact, effectively prevent that the local pyrexia of LED light fixture is excessive, and can not increase the input of cost.
The accompanying drawing explanation
The structural representation that Fig. 1 is the utility model LED light fixture embodiment;
The circuit diagram that Fig. 2 is driver element the first embodiment;
The circuit diagram that Fig. 3 is another embodiment of driver element;
The distribution schematic diagram that Fig. 4 is inner groovy on lampshade and envelope inner wall.
The specific embodiment
Below in conjunction with accompanying drawing, energy-saving LED lamp of the present utility model is described in further detail.
As shown in Figure 1, this routine energy-saving LED lamp comprises the tubaeform lamp housing 1 of a upper and lower end opening, the upper end of this lamp housing 1 is provided with lampshade 2, its lower end is provided with lamp socket 3, be provided with a wiring board 4 between lamp housing 1 and lamp socket 3, the upper face of this wiring board 4 is provided with LED lamp group 5 and driver element 6, its lower face are provided with radiator 7; Be arranged with a general reflecting plate 8 on LED lamp group 5, this reflecting plate 8 is provided with the through hole 9 in LED lamp group 5, each LED lamp passes.
Be evenly equipped with inner groovy 10 on the inwall of lampshade 2 and lamp housing 1, this be because, when a plurality of LED lamps are luminous, can make on lampshade wall and lamp housing wall to produce inhomogeneous hot spot, and the inner groovy arranged on the two inwall is to utilize light penetrating object reflection and refraction principle, the light that LED lamp group is sent is very even, as shown in Figure 4, inner groovy 10 on envelope inner wall is vertical settings, and is horizontally set at the inner groovy 10 of lampshade inwall; Be arranged with a reflecting plate 8 on LED lamp group, offer the perforate for each LED lamp of fixed L ED lamp group on this reflecting plate, the material of reflecting plate is stainless steel, this is in order to improve illumination, because some light of LED illuminator is to irradiate in the other direction, and this reflecting plate can make this part light reflex on the inwall of lampshade and lamp housing, so just strengthened widely the illumination of LED light fixture in this example.
As shown in Figure 2, be a preferred embodiment of driver element 6 in this LED light fixture, it is connected to one group of LED lamp group 5, and it comprises:
One power subsystem 61, its bridge rectifier 612 that is connected to these transformer 611 secondary sides by a transformer 611, forms, and this power subsystem 61 is connected to an AC power, can export a direct current power supply by transformer 611 and rectifier 612;
One control module 62, be connected between this LED lamp group 5 and aforementioned power source unit 61, and wherein this control module 62 is connected to LED lamp group 5 by a switching switch 621; In the present embodiment, this control module 62 includes bias resistor R1, the light emitting diode D1 who is connected in series with bias resistor R1 that a NPN or PNP transistor Q1, are connected to this transistor Q1 base, collector terminal, and a zener diode Z1 who is connected between transistor Q1 base stage and earth terminal; Wherein, transistor Q1 base stage is for being connected with power circuit 61 outputs by aforementioned light emitting diode D1, bias resistor R1, and its emitter-base bandgap grading is connected to the power end of LED lamp group 5;
One standby power unit 63, it mainly is comprised of a battery 631, also comprises a grounding resistor R2 who connects with battery, and this battery 631 is connected with the power end of LED lamp group 5, and is connected with the output of power subsystem 61 by this control module 62;
One charging indicating member 64, it is mainly by an indicator lamp D2 and two-transistor Q2, Q3 forms, wherein this first transistor Q2 is connected between the negative pole end and a grounding resistor R2 of this battery 631, due to battery 631 uncharged when saturated, obtain a charge power supply, and now this grounding resistor R2 can form a pressure drop, and make the first transistor Q2 conducting, now, due to the first transistor Q2 conducting ground connection, therefore be connected in the not conducting of transistor seconds Q3 of the first transistor Q2, the indicator lamp that is serially connected with this transistor seconds Q3 will not lighted, otherwise, if battery 631 has charged to when identical with power subsystem 61 output dc source, grounding resistor R2 does not have pressure drop, now, the first transistor Q2 not conducting immediately, and this transistor seconds Q3 is conducting ground connection, now this indicator lamp D2 lights, inform that by this current battery 631 has reached charging saturated.
Above-mentioned driver element is under the state of power subsystem 61 regular supply AC powers, can export a direct current power supply to standby power unit 63, if change-over switch 621 is closed, dc source can export LED lamp group 5 to and it is lighted, because control module 62 is closed conducting, therefore LED lamp group 5 forms loop with power subsystem 61, battery 631 by 61 pairs of these standby power unit 63 of power subsystem carries out charging procedure simultaneously, and when this AC interruptions, this LED lamp group 5 opens circuit with power subsystem 61, now control module 62 is still closed condition, so that LED lamp group 5 directly forms electric power loop with standby power unit 63, continue to keep the conducting illuminating state.
Another preferred embodiments of this driver element refers to shown in Fig. 3, and its large multicircuit setting is identical with Fig. 2, and only difference is, the power subsystem 61 in this example adopts a direct current power supply, directly this control module 62 is connected to a direct current power supply that is:.
As shown in Figure 1, the radiator 7 in this example comprises heat-radiating substrate 71, and heat-radiating substrate 71 can be selected copper sheet material, and thermal conductivity factor is large, and thermal conductivity is good.Special feature of the present utility model is to be less than or equal at integrated direct (thickness) that is provided with cross section of a side of heat-radiating substrate 71 the needle-like radiating fin post 72 of 0.5mm, take and 60 80 radiating fin posts are set as good, add after radiating fin post 72 area of dissipation that has greatly increased radiator 7, simultaneously at every two intervals, between adjacent radiating fin post 72, form open outer heat loss through convection passage, and then greatly improve the heat-sinking capability of radiator 7.Simultaneously, after heat-radiating substrate 71 and radiating fin post 72 are one-body molded, similarly be the metallic plate with the pin post, can cut arbitrarily, use very convenient.
For further increasing heat radiation area, by thermal conductive insulation glue, that the upper face of heat-radiating substrate and wiring board is bonding, on the lower face of heat-radiating substrate, be provided with to the U-shaped of downward-extension or C type projection 73, each radiating fin post all is vertical angle with the lower face of heat-radiating substrate and is connected.
For better heat radiation, the heat of lamp interior is better conducted, be filled with phase-change material in projection 73 on heat-radiating substrate 71 lower faces, so-called phase-change material refers to and varies with temperature and change material resources character and the material of latent heat can be provided, as preferred material, the preferably combination of one or both in paraffin, aliphatic acid, Sodium acetate trihydrate, low price, material ubiquity.Phase-change material is that latent heat is provided by the following method: when the heat energy of wiring board 4 is accumulated too much, perhaps local pyrexia is excessive, when the temperature of heat-radiating substrate 71 surpasses the phase transition temperature of phase-change material, phase-change material can receive the heat that can not distribute in time by phase transition process, thereby makes wiring board 6 maintain stable operating temperature range.Therefore, at the interior filling phase-change material of radiator 7, in the situation that same heat-sinking capability is provided, reduced the size of LED lamp radiator, can make the structural design of LED light fixture more compact, effectively prevent that the local pyrexia of LED light fixture is excessive, and can not increase the input of cost.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not limited by the examples; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify and all should be equivalent substitute mode, within being included in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim was defined.
Claims (9)
1. an energy-saving LED lamp, comprise the tubaeform lamp housing of a upper and lower end opening, and the upper end of this lamp housing is provided with lampshade, its lower end is provided with lamp socket, between described lamp housing and lamp socket, is provided with a wiring board, it is characterized in that:
The upper face of described wiring board is provided with LED lamp group and driver element, its lower face are provided with radiator;
Be arranged with a reflecting plate on described LED lamp group, described reflecting plate is provided with the perforate for each LED lamp of fixed L ED lamp group;
Be evenly equipped with inner groovy on the inwall of described lampshade and lamp housing.
2. energy-saving LED lamp as claimed in claim 1, is characterized in that, described driver element comprises:
Power subsystem, its output is connected with control module;
Control module, be connected with power subsystem with the power end of LED lamp group respectively;
Standby power unit, comprise a battery, and this battery is connected and is connected with the output of power subsystem by control module with the power end of LED lamp group; With
The charging indicating member, be connected with standby power unit, comprises an indicator lamp and two transistors.
3. energy-saving LED lamp as claimed in claim 2, is characterized in that, described power subsystem is dc source.
4. energy-saving LED lamp as claimed in claim 2, is characterized in that, described power subsystem comprises that a transformer and is connected to the rectification circuit of this transformer output; The external AC power of the input of described power subsystem, by output one direct current power supply after transformer and rectifier.
5. energy-saving LED lamp as claimed in claim 2, it is characterized in that, described control module comprises a resistor, a light emitting diode, a transistor and a zener diode, described transistorized base terminal is connected to earth terminal by described zener diode, its emitter terminal is connected to the power end of LED lamp group, its collector terminal is connected with described resistor, and described light emitting diode is in series with a resistor.
6. energy-saving LED lamp as claimed in claim 1, is characterized in that, described radiator comprises the heat-radiating substrate be connected with wiring board and is distributed in each radiating fin post on the heat-radiating substrate lower face.
7. energy-saving LED lamp as claimed in claim 6, it is characterized in that, upper face and the wiring board of described heat-radiating substrate is bonding, its lower face be provided with to downward-extension and for filling the projection of phase-change material, described each radiating fin post all with vertical connection of lower face of heat-radiating substrate.
8. energy-saving LED lamp as claimed in claim 6, is characterized in that, the cross-sectional diameter of described radiating fin post is less than or equal to 0.5mm.
9. energy-saving LED lamp as claimed in claim 1, is characterized in that, is evenly equipped with the inner groovy of horizontally set on the inwall of described lampshade, is evenly equipped with the inner groovy of vertical setting on the inwall of described lamp housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013206167362U CN203349170U (en) | 2013-10-08 | 2013-10-08 | Energy-saving LED (Light Emitting Diode) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013206167362U CN203349170U (en) | 2013-10-08 | 2013-10-08 | Energy-saving LED (Light Emitting Diode) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203349170U true CN203349170U (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013206167362U Expired - Fee Related CN203349170U (en) | 2013-10-08 | 2013-10-08 | Energy-saving LED (Light Emitting Diode) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203349170U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154486A (en) * | 2014-08-01 | 2014-11-19 | 张小亚 | LED lamp with emergency power supply |
| CN107624152A (en) * | 2015-03-20 | 2018-01-23 | 沙特基础工业全球技术公司 | Plastic tank radiators for luminaire |
-
2013
- 2013-10-08 CN CN2013206167362U patent/CN203349170U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154486A (en) * | 2014-08-01 | 2014-11-19 | 张小亚 | LED lamp with emergency power supply |
| CN107624152A (en) * | 2015-03-20 | 2018-01-23 | 沙特基础工业全球技术公司 | Plastic tank radiators for luminaire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20141008 |
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| EXPY | Termination of patent right or utility model |