CN209196584U - A kind of automobile filament lamp - Google Patents

Abstract

The utility model provides a kind of automobile filament lamp, belong to filament lamp field, including lamp cap, blister, driver, stem, inside it is recessed into the reflector and LED module of curved surface, driver is connected between lamp cap and blister, lamp cap, driver and blister form inert gas filled confined space in one, stem is located in sealing space, reflector is between driver and LED module, LED module is located at the concave side in blister and being located at reflector, one end of stem is connected with driver, the other end of stem is connected with LED module, reflector is mounted on stem, LED module is connected with DC constant flowing power, LED module is composed in parallel by a plurality of by the LED filament lamp bar of substrate of glass；The utility model has the advantages that thermal diffusivity is good, it is uniform with long service life to shine.

Description

A kind of automobile filament lamp

Technical field:

The utility model belongs to filament lamp field, and in particular to a kind of automobile filament lamp.

Background technique:

LED automobile lamp currently on the market is using the light source based on paster LED, COB, appearance and shape, hair The light uniformity is departing from actual range.

Utility model content:

The purpose of this utility model is in view of the above problems, to provide a kind of automobile filament lamp.

Above-mentioned purpose is realized by following technical scheme:

A kind of automobile filament lamp, including lamp cap and blister further include driver, stem, the interior reflector for being recessed into curved surface And LED module, driver is connected between lamp cap and blister, lamp cap, driver and blister form in one filled with inert gas Confined space, stem is located in sealing space, and between driver and LED module, LED module is located in blister reflector And it is located at the concave side of reflector, one end of stem is connected with driver, and the other end of stem is connected with LED module, Reflector is mounted on stem, and LED module is connected with DC constant flowing power, and LED module is by a plurality of using glass as the LED of substrate Filament lamp bar composes in parallel.

Further, the quantity of the LED module is two and mutually longitudinal direction is arranged in parallel.

Further, the reflector is mounted on the middle position of the stem.

Further, the stem is glass stem.

Further, the curved edges of the reflector are connected with the inner sidewall of the blister.

Further, the inner sunken face plated film of the reflector.

Compared with prior art, the utility model has the beneficial effects that using LED module mode, compared to single filament lamp Item, heat dissipation area are maximized, and are conducive to produce in batches；Due to LED C-V characteristic (voltage rise and electric current at Nonlinear change), power is also different when single series loop work in the more parallel connections of LED, if using LED module side Formula improves the evenness of LED heat dissipation；Since the small in size of light bulb, luminous flux require height, so power density is big, using mould After group mode, production process not only can be reduced, but also can balanced heat dissipation；Since conventional LED filament is all longitudinal arrangement, bulb lamp Top is exactly a blind area, increases the interior emitter for being recessed into curved surface, can both reflect away the light of LED module bottom, no Light emission rate can only be increased, and position specified at the top of bulb lamp can be reflected light to, change blind area at the top of bulb lamp It is kind；Using glass as the LED filament lamp bar of substrate from it is photosensitive it is it is glittering and translucent make people more acceptable, the matching with automobile more adds Beauty；The translucency of glass baseplate is better than other (ceramics, aluminium, copper) substrates, and the light of entire filament is made to be more conducive to 360 ° omni-directional Diffusion；Traditional halogen lamp at resistance states, voltage change by the electric current of filament be also it is directly proportional, can be with voltage Floating up and down causes the brightness also fluctuation up and down of lamp, and the constant current driving that such lamp uses both can guarantee the output of full voltage Duan Guang Service life constant and that whole lamp can be extended；Filled with inert gas in entire light bulb, heat dissipation can be played but also it is that environment is closed, The service life of whole lamp is improved, other lamps take closed or other indirect air-tight manners, lamp long-term work due to useless In the environment of high temperature and humidity, situations such as LED or radiator can be aoxidized, be got rusty, directly affects beautiful and service life；Together Power is only equivalent to 1/8 power of conventional halogen lamp in the case where equal luminous fluxes, while calorific value only has 1/8, not only acts as section About electric energy, car light reflector, the decline of lampshade temperature, service life extend, and manufacturing cost can also be reduced accordingly；The shape of such lamp Size and the size of existing halogen lamp are completely the same, higher compared to similar its power density of other products, longer life expectancy, tradition The service life of halogen lamp only has 500 hours, this lamp can achieve 3000 hours or more.

Detailed description of the invention:

Attached drawing is used to provide to further understand the utility model, and constitutes part of specification, practical new with this The embodiment of type is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the explosive view of the utility model；

Fig. 3 is the side view of the utility model；

Appended drawing reference: 1, lamp cap；2, blister；3, driver；4, stem；5, reflector；6, LED module.

Specific embodiment:

It further include driver 3, stem 4, interior as shown in Figure 1-3, a kind of automobile filament lamp, including lamp cap 1 and blister 2 It is recessed into the reflector 5 and LED module 6 of curved surface, driver 3, lamp cap 1, driver 3 and blister are connected between lamp cap 1 and blister 2 Inert gas filled confined space in 2 compositions one, stem 4 are located in sealing space, and reflector 5 is located at driver 3 and LED Between mould group 6, LED module 6 is located at the concave side in blister 2 and being located at reflector 5, and one end of stem 4 is connected with driver 3 It connects, the other end of stem 4 is connected with LED module 6, and reflector 5 is mounted on stem 4, LED module 6 and DC constant flowing power It is connected, LED module 6 is composed in parallel by a plurality of by the LED filament lamp bar of substrate of glass.

The quantity of LED module 6 is two and mutually longitudinal direction is arranged in parallel.

Reflector 5 is mounted on the middle position of stem 4, and the light reflection of lamp bottom is caused the effect of the top area of lamp most It is good.

The design of reflector 5 uses concave, and the reflection angle of light source is oriented adjustment according to the region at the top of light bulb.

Stem 4 is glass stem 4.

The curved edges of reflector 5 are connected with the inner sidewall of blister 2, reduce 6 light loss of LED module.

The inner sunken face plated film of reflector 5 improves reflectivity.

Using 6 mode of LED module, compared to single filament lamp bar, heat dissipation area is maximized, and is conducive to criticize Amount production；Single series connection due to the C-V characteristic (voltage rise and electric current at nonlinear change) of LED, in more parallel connections of LED Power is also different when loop works, if improving the evenness of LED heat dissipation using 6 mode of LED module；Due to light bulb Small in size, luminous flux require high, so power density is big, after modular fashion, not only can be reduced production process, but also can be balanced Heat dissipation；Since conventional LED filament is all longitudinal arrangement, the top of bulb lamp is exactly a blind area, increase in be recessed into curved surface Emitter the light of 6 bottom of LED module can both be reflected away, can not only increase light emission rate, and can reflect light to Specified position at the top of bulb lamp improves blind area at the top of bulb lamp；It is the LED filament lamp bar of substrate from photosensitive using glass It is above glittering and translucent to make people more acceptable, it is more perfect with the matching of automobile；The translucency of glass baseplate better than other (ceramics, Aluminium, copper) substrate, so that the light of entire filament is more conducive to the diffusion of 360 ° omni-directional；Traditional halogen lamp becomes at resistance states, voltage It is also directly proportional for changing by the electric current of filament, can cause the brightness also fluctuation up and down of lamp with floating up and down for voltage, this The constant current driving that money lamp uses not only can guarantee the output service life that is constant but also can extending whole lamp of full voltage Duan Guang；Entire lamp Filled with inert gas in bubble, heat spreading function can be played and keep environment closed, improve the service life of whole lamp, other lamps Closed or other indirect air-tight manners are taken due to useless, in the environment of lamp long-term work high temperature and humidity, LED or heat dissipation Situations such as device can be aoxidized, be got rusty directly affects beautiful and service life；Power is only equivalent in the case where same luminous flux 1/8 power of conventional halogen lamp, while calorific value only has 1/8, not only acts as saving electric energy, car light reflector, lampshade temperature Decline, service life extend, and manufacturing cost can also be reduced accordingly；The outer dimension of such lamp and the size of existing halogen lamp complete one It causes, higher compared to similar its power density of other products, longer life expectancy, the service life of conventional halogen lamp only has 500 hours, this Lamp can achieve 3000 hours or more.

Technological means disclosed in the utility model is not limited to the technical means disclosed in the above technical means, also Including the technical solution as composed by the above technical characteristic equivalent replacement.The unaccomplished matter of the utility model belongs to this field skill The common knowledge of art personnel.

Claims (6)

1. a kind of automobile filament lamp, including lamp cap and blister, it is characterised in that: further include driver, stem, interior be recessed into curved surface Reflector and LED module, be connected with driver between lamp cap and blister, lamp cap, driver and blister form in one filled with The confined space of inert gas, stem are located in sealing space, and reflector is between driver and LED module, LED module position In the concave side in blister and positioned at reflector, one end of stem is connected with driver, the other end and LED module of stem It is connected, reflector is mounted on stem, and LED module is connected with DC constant flowing power, and LED module is by a plurality of using glass as base The LED filament lamp bar of material composes in parallel.

2. automobile filament lamp according to claim 1, it is characterised in that: the quantity of the LED module is two and phase It is longitudinal arranged in parallel.

3. automobile filament lamp according to claim 1, it is characterised in that: the reflector is mounted in the stem Between position.

4. automobile filament lamp described in any one of -3 according to claim 1, it is characterised in that: the stem is glass core Column.

5. automobile filament lamp according to claim 4, it is characterised in that: the curved edges of the reflector and the bubble The inner sidewall of shell is connected.

6. automobile filament lamp according to claim 5, it is characterised in that: the inner sunken face plated film of the reflector.