CN201232873Y

CN201232873Y - LED fluorescent lamp

Info

Publication number: CN201232873Y
Application number: CNU2008200920901U
Authority: CN
Inventors: 吴金林
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-02-01
Filing date: 2008-02-01
Publication date: 2009-05-06
Anticipated expiration: 2018-02-01

Abstract

The utility model relates to an illumination-used daylight lamp, in particular to a packaged LED daylight lamp, which belongs to the technical field of illumination. The packaged LED daylight lamp comprises a strip lamp, LED lamps, a power panel and bulb holders arranged on both ends of the strip lamp and used for packaging the strip lamp, and a baseplate arranged in the strip lamp and used for carrying the LED lamps. The packaged LED daylight lamp is characterized in that the pins of the LED lamps pass through the baseplate and are arranged on the baseplate; the illuminating parts of the LED lamps are arranged on one side of the baseplate. The irradiated area of the daylight lamp is large; the daylight lamp is as effective as ordinary daylight lamps, and is effective in illumination.

Description

A kind of LED fluorescent lamp

Technical field

The utility model relates to a kind of illumination fluorescent lamp, relates in particular to a kind of fluorescent lamp of LED encapsulation, belongs to lighting technical field.

Background technology

Fluorescent lamp claims hot cathode low pressure fluorescent-mercury lamp again, and it is by exciting fluorescent material on the tube wall and luminous.Compare with first generation electric light source incandescent lamp, it has advantages such as heating is little, brightness is high, and the life-span is long, therefore eliminates incandescent lamp gradually and becomes second generation main flow lighting source.Now, through the development of over half a century, fluorescent lamps such as both-end miscellaneous, single-ended, compact, compression-type have become most widely used general and the most universal lighting.But fluorescent lamp also has its intrinsic shortcoming, and its fluorescent tube fragility is easily broken, and structure is comparatively complicated, needs ballast starter energy appurtenances mostly, and general 10,000 hours life-span of less than also can not be satisfied people's demand gradually.The appearance that integrates the LED (Light-emitting diode, light emitting diode) of various advantages, the arrival that is declaring publicly new solid light source epoch undoubtedly.LED is a kind of semiconductor that electric energy can be converted into visible light, it changed the incandescent lamp tungsten filament luminous with the luminous principle of energy-saving fluorescent lamp tricolor powder, and adopt electroluminescence, have long, numerous advantages such as light efficiency is high, radiationless and low-power consumption of life-span.The spectrum of LED almost all concentrates on visible light frequency band, and luminous efficiency can reach 80～90%, near the limit of electric light conversion; Light quality height, essentially no radiation belongs to typical green illumination light source; Life-span is especially near 1,000,000 hours, and is reliability and durability, and maintenance cost is very cheap.Adopt the LED illumination to need the tens of up to a hundred even plurality of LEDs lamps more of intensive installation, it is a problem that must solve that so intensive and LED quantity are carried out good heat radiation.And the design problem of power supply circuits also needs adequate solution, for large-scale application, adopts the conventional switch that uses of LED then very expensive.

Publication number is the Chinese utility model patent of CN2926767, disclose a kind of LED fluorescent lamp, it has a year lamp body, a plurality of being arranged on carried the LED light emitting diode on the lamp body and be arranged on the power circuit that is used for providing to the LED light emitting diode power supply that carries on the lamp body; The lamp body two ends respectively were provided with the lamp base that is complementary with the traditional fluorescent lamp lamp socket in described year.This LED fluorescent lamp can replace the traditional fluorescent lamp pipe, brightness height, energy-conservation and long service life.Shortcomings such as but above-mentioned daylight etc. exist light source to be point-like to be concentrated, and aperture is not sufficiently complete, and dispersion effect is relatively poor, and energy-saving effect is not obvious.

The utility model content

A purpose of the present utility model provides that a kind of aperture is beautiful, dispersion effect LED fluorescent lamp preferably.

Another one purpose of the present utility model provides a kind of high LED fluorescent lamp of light utilization ratio that sends, and solves the low technical problem of energy utilization rate of prior art.

Another one technical purpose of the present invention provides the fluorescent lamp of a kind of making, installation, convenient transportation.

Another one technical purpose of the present utility model provides the simple more energy-conservation LED fluorescent lamp of a kind of circuit structure.

Above-mentioned skill purpose of the present utility model adopts following technical proposal to be achieved:

A kind of LED fluorescent lamp, comprise fluorescent tube, the LED lamp, power panel, be arranged at the lamp holder that is used to encapsulate fluorescent tube of lamp tube ends, be in the substrate of the carrying LED lamp of fluorescent tube inside, the pin of described LED lamp passes substrate and is installed on the substrate, and the illuminating part of described LED lamp is installed in the same side of substrate.

Integrated necessary circuit and electrical equipment are realized function of the present utility model on the power panel, allow all illuminating parts such as LED the same side for substrate, the part of giving out light can need be shown up the light directive that is sent, an other side of substrate does not then have illuminating part, the light that is sent substantially all is used for illumination like this, not waste, it is luminous all around the fluorescent lamp that is different from prior art, and always some light is directly penetrated on the installation metope or ceiling surface of fluorescent lamp.

As a kind of preferred, described fluorescent tube is the transparent resin fluorescent tube.The utility model need not to be heated owing to adopt built-in LED lamp luminous, can take resin as fluorescent tube, has solved prior art like this and has adopted glass lamp to cause shortcomings such as the security of transportation, manufacturing is relatively poor.

As a kind of preferred, described tube inner wall is provided with groove.At tube inner wall groove is set, the light that the LED lamp is sent is through the refraction and the scattering of groove, and aperture irradiated area beautiful and light is big, simultaneously evenly.The direction that groove described in the utility model is offered preferably with the fluorescent tube axially parallel, see from the outside of lamp that like this fluorescent tube of the present utility model is integrated light source, has eliminated the characteristics of the spot light of prior art.More preferably, described groove width is 20～22mm, external diameter 25～35mm, thick 1～2mm.The design people is by test, and under above-mentioned parameter, light of the present utility model possesses the advantage that light is soft, the bigger effect of scattering area is best.Certainly the utility model also can be provided with groove at described tube outer wall, and perhaps the outer wall at fluorescent tube is provided with groove separately, and these all are equivalent.

Substrate described in the utility model is straight plate, and it is in fluorescent tube top.That is, substrate is for the non-axle place of fluorescent tube, and the grade on the substrate has better ejaculation angle like this, and the light that shines metope or ceiling surface in the time of can structure arrival bigger irradiated area is minimum.

As of the present utility model a kind of preferred, the LED lamp be that many groups are in parallel, and the power panel power supply is that constant current drives AC-DC and draws four groups: D+ D-B+ B-, D+D-is connected with the LED group respectively, power supply AC holds directly connection lamp tube ends.

As of the present utility model a kind of preferred, described LED is array and arranges, and described array is: one or more LED polyphones constitute row, and row or multiple row constitute row row, and a plurality of row row polyphones constitute array.

As a kind of preferred, rectification, filter element in order to rectification, filtering are set in the described power panel.

Therefore, the utility model beneficial technical effects is:

1, the utility model adopts LED to concentrate rationally to arrange, and has obtained the effect that light disperse, aperture attractive in appearance of common fluorescent lamp when practical, its energy-conserving and environment-protective simultaneously.

2, the utility model adopts the printing opacity fluorescent tube that resin is made, and cost is low, and is difficult for fragmentation, has solved transportation difficulty in the past, and difficulty is installed, the easy shortcoming of damaging;

3, the utility model is provided with groove at the inwall of fluorescent tube, the groove of above-mentioned inwall can scatter to fluorescent tube more broad angle, the illuminating effect of agreeing property, solved that LED fluorescent lamp in the past presents by according to the shortcoming of brightness disproportionation everywhere;

4, the utility model is provided with groove at the inwall of fluorescent tube, and when lamp used, the people saw that from the outside fluorescent tube is whole luminous, is the point source of light set and inaesthetic shortcoming when having solved existing LED lamp luminescence;

5, the utility model is provided with LED in a side of substrate, cause fluorescent tube to have only a side luminous, solved that the luminous light that causes the fluorescent tube part relative with the installation body of wall to be sent around the fluorescent lamp of prior art directly shines body of wall and the shortcoming that do not play illuminating effect, therefore, the utility model has improved the utilization rate of light that fluorescent tube sends;

6, the utility model is on circuit design, and adopting with the series connection is the led array form of basic structure, and it is interval to make that the whole LED fluorescent lamp has a bigger voltage tolerance, need not complicated drive circuit, effectively reduce the manufacturing cost of product;

7, the utility model adopts and the LED pin to be passed substrate carries out the circuit ways of connecting, directly utilize the pin of LED to connect not only convenient but also saved material, the alternative condition of its installation base plate is also reduced greatly, needn't the higher printed circuit board (PCB) of use cost;

8, the utility model adopts and the LED pin to be passed substrate carries out the circuit ways of connecting, and the pin of LED and lamp holder be for the both sides of substrate, the welding of substrate isolates pin, process kind in welding has effectively been protected lamp holder, improve the qualification rate of product, accelerated production process, reduced cost;

9, the utility model encapsulates LED fluorescent lamp integral body with fluorescent tube, and the employing specification identical and be electrically connected socket with the standard fluorescent lamp, can change use the utility model LED fluorescent lamp in the existing place of common fluorescent lamp of using easily, because common fluorescent lamp popularization degree is high, the starter that in most cases only needs to remove on the common fluorescent lamp gets final product, and adopts such replacement structure can realize energy-conservationization, the longevityization renewal of light source with minimum upgrade cost;

If 10, whether the utility model can adopt and or not this directly to use the scheme of Alternating Current Power Supply, also unidirectional conducting led array can be connected on simple rectification and filtered AC power, described rectification, filter circuit can be realized by simple structure with the discrete component of cheapness, and be with low cost equally.

11, the utility model also can adopt led array to adopt the opposite series LED of the conducting direction structure that forms in parallel, can make originally can only direct current supply the LED lamp be applied directly in the Alternating Current Power Supply illumination, as long as the progression of series LED makes total voltage reach the line voltage scope, just can very simply realize commercial LED illumination.

Description of drawings

Fig. 1 is a circuit structure schematic diagram of the present utility model;

Fig. 2 is a structural representation of the present utility model.

The specific embodiment

Do further below in conjunction with specific embodiments and the drawings the utility model and to specify; these are just to further illustrated in greater detail of the present utility model; be not to restriction of the present utility model; those of ordinary skill in the art can make concrete change according to spirit disclosed in the utility model, but these are all in protection domain of the present utility model.

Embodiment: in conjunction with the accompanying drawings 1,2, a kind of LED fluorescent lamp, comprise fluorescent tube 1, LED lamp 2, power panel (in the drawings draw mark) is arranged at the lamp holder 3 that is used to encapsulate fluorescent tube at fluorescent tube 1 two ends, is in the substrate 4 of the carrying LED lamp of fluorescent tube 1 inside, it is characterized in that: the pin of described LED lamp passes substrate 4 and is installed on the substrate 4, and the illuminating part of described LED lamp is installed in the same side of substrate.Described LED lamp comprises 18 groups of parallel connections, and the OV that white light LEDs is composed in series, representative value are 3.5V, and maximum is 4.0V, and the voltage tolerance range of whole LED array is 188V～280V.Be connected with the dc output end of diode bridge rectifier circuit Q behind the filter capacitor C in parallel of led array two ends, the ac input end of rectification circuit Q is drawn from fluorescent tube 1 two ends, forms to be electrically connected plug (not drawing in the drawings).The pin of each LED lamp 2 passes substrate 1 in the array, and the luminous site of described LED lamp is in the same side of substrate 1, and described substrate is for the fluorescent tube internal upper part, dividing fluorescent tube is that two parts are about 1:2 up and down, and the LED fluorescent tube is connected on the substrate from a face down bonding of the pin of substrate.Described fluorescent tube is transparent PC material, and the inwall of fluorescent tube offers groove, and described groove groove width is 21.6mm, external diameter 28mm, thick 1.5mm.Described power panel power supply is that constant current drives AC-DC and draws four groups: D+ D-B+ B-, D+D-is connected with the LED group respectively, power supply AC end directly connects lamp tube ends, and rectification, filter element (not drawing in the drawings) in order to rectification, filtering are set in the power panel.

Claims

1, a kind of LED fluorescent lamp, comprise fluorescent tube, the LED lamp, power panel, be arranged at the lamp holder that is used to encapsulate fluorescent tube of lamp tube ends, be in the substrate of the carrying LED lamp of fluorescent tube inside, it is characterized in that: the pin of described LED lamp passes substrate and is installed on the substrate, and the illuminating part of described LED lamp is installed in the same side of substrate.

2, a kind of LED fluorescent lamp according to claim 1, it is characterized in that: described fluorescent tube is the transparent resin fluorescent tube.

3, a kind of LED fluorescent lamp according to claim 1, it is characterized in that: described tube inner wall is provided with groove.

4, a kind of LED fluorescent lamp according to claim 3 is characterized in that: direction that described groove is offered and fluorescent tube axially parallel.

5, a kind of LED fluorescent lamp according to claim 1, it is characterized in that: described substrate is straight plate, and it is in fluorescent tube top.

6, a kind of LED fluorescent lamp according to claim 3, it is characterized in that: described groove groove width is 20～22mm, external diameter 25～35mm, thick 1～2mm.

7, a kind of LED fluorescent lamp according to claim 1, it is characterized in that: the LED lamp is in parallel for many groups, the power panel power supply is that constant current drives AC-DC and draws four groups: D+ D-B+ B-, D+D-is connected with the LED group respectively, power supply AC end is the connection lamp tube ends directly.

8, a kind of LED fluorescent lamp according to claim 1 is characterized in that: it is characterized in that described LED is array and arranges, described array is: one or more LED polyphones constitute row, and row or multiple row constitute row row, and a plurality of row row polyphones constitute array.

9, according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 described a kind of LED fluorescent lamps, it is characterized in that: rectification, filter element in order to rectification, filtering are set in the described power panel.

10, a kind of LED fluorescent lamp according to claim 1, it is characterized in that: described tube outer wall is provided with groove.