A kind of miniature LED bulb
Technical field
The utility model relates to the LED technical field of lamps, particularly a kind of miniature LED bulb.
Background technology
Along with universal use and the range of application of LED lamp progressively enlarges, the type of LED bulb is also more and more, wherein hypomegetic LED bulb is also more and more universal, not only power is little for this class LED bulb, size is also smaller, be mainly used in intraoral illumination among a small circle or at some special illuminated field cooperation for the use such as interspersing.Because the size of this class LED bulb is smaller, therefore if directly copy existing large-sized LED bulb structure is too complicated, being not easy to processing and manufacturing after minification even assembles, if and excessive in existing designs simplification, as simple minimizing LED chip quantity, luminous intensity, light emitting anger, heat dispersion that can make light fixture etc. had a greatly reduced quality, thereby causes the lamp luminescence weak effect, fails to play its due illumination, decorative effect.
Therefore, for solving weak point of the prior art, provide a kind of good illumination effect, it is particularly necessary that miniature LED bulb simple in structure seems.
Summary of the invention
The purpose of this utility model is to avoid above-mentioned weak point of the prior art and provides a kind of good illumination effect, miniature LED bulb simple in structure.
The purpose of this utility model is achieved through the following technical solutions:
A kind of miniature LED bulb is provided, has comprised and be provided with the base that connects pin, described base is provided with and the power supply module that is connected the pin connection; Also comprise radiator, described base sheath is located at an end of radiator, the other end of described radiator is fixedly installed heating column, described heating column is arranged with the LED module group substrates of column, side and the end face of described LED module group substrates are provided with LED chip, and the end face of described module group substrates is provided with the power supply connecting hole, and described LED chip is by the power taking of power supply connecting hole, described power supply connecting hole is connected with connecting line, and described connecting line runs through heating column and is connected with radiator and with power supply module.
Wherein, be provided with radiating fin on described heating column.
Wherein, also comprise transparent housing, described transparent housing is fixedly connected with radiator.
Wherein, on described transparent housing, be provided with internal thread, be provided with the external screw thread with described screw-internal thread fit on described radiator.
Wherein, described transparent housing top is provided with air-vent.
Wherein, described radiator is provided with the die cavity that cross sectional shape is identical with the heating column cross sectional shape, and described heating column is inserted in described die cavity.
Wherein, described heating column bottom offers screw, and described radiator offers the through hole corresponding with described screw, and described radiator also comprises the machine tooth screw, and described machine tooth screw is screw-coupled in described screw through after through hole.
The beneficial effects of the utility model: a kind of miniature LED bulb is provided, due to the LED module group substrates that adopts column, side and end face at the LED module group substrates is provided with LED chip simultaneously, therefore this miniature LED bulb can be to the comprehensive emission of light of surrounding, illumination effect is good, the utility model adopts the end face at module group substrates to be provided with the power supply connecting hole be connected with power supply module simultaneously, and then give each LED chip power supply by the power supply connecting hole, thereby the complexity of having avoided each LED chip to bring from the power supply module power taking separately wiring, effectively simplified fitting structure, make fitting structure simpler, be convenient to small size production.
The accompanying drawing explanation
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain according to the following drawings other accompanying drawing.
The decomposing schematic representation of the embodiment that Fig. 1 is a kind of miniature LED bulb of the utility model.
The specific embodiment
With the following Examples the utility model is further described.
The specific embodiment of a kind of miniature LED bulb of the utility model, as shown in Figure 1, comprise: be provided with the base 1 that connects pin 11, described base 1 is provided with and the power supply module 3 that is connected pin 11 connections, this miniature LED bulb also comprises radiator 2, described base 1 is sheathed on an end of radiator 2, the other end of described radiator 2 is fixedly installed heating column 4, described heating column 4 is arranged with the LED module group substrates 5 of column, the side of described LED module group substrates 5 and end face are provided with LED chip 51, the end face of described LED module group substrates 5 is provided with the power supply connecting hole, described LED chip 51 is by the power taking of power supply connecting hole, described power supply connecting hole is connected with connecting line 7, described connecting line 7 runs through heating column 4 and is connected with radiator 2 and with power supply module 3.
Due to the LED module group substrates 5 that adopts column, side and end face at LED module group substrates 5 is provided with LED chip 51 simultaneously, therefore this miniature LED bulb can be to the comprehensive emission of light of surrounding, illumination effect is good, the utility model adopts the end face at module group substrates to be provided with the power supply connecting hole be connected with power supply module 3 simultaneously, and then give each LED chip 51 power supplies by the power supply connecting hole, thereby the complexity wiring of having avoided each LED chip 51 to bring from power supply module 3 power takings separately, effectively simplified fitting structure, make fitting structure simpler, be convenient to small size production.
Be provided with radiating fin 41 on described heating column 4.Due in undersized LED light fixture, LED chip 51 is comparatively intensive, radiating requirements is larger, undersized radiator 2 heat-sinking capabilities are limited simultaneously, therefore rely on heating column 4 by heat conduct to radiator 2 more outwards heat radiation be to be difficult to meet the radiating requirements of LED chip 51, so increase radiating fin 41 on heating column 4, increase the heat-sinking capability of heating column 4.
The miniature LED lamp of the present embodiment also comprises transparent housing 6, and described transparent housing 6 is fixedly connected with radiator 2.Be provided with internal thread 62 on described transparent housing 6, be provided with external screw thread 21 on radiator 2, described transparent housing 6 and radiator 2 are threaded connection.Transparent housing 6 not only can be protected the internal structure of light fixture, also can play certain refraction/reflection effect to light, makes distribution of light more even simultaneously.Transparent housing 6 adopts and is threaded with radiator 2 simultaneously, and this is not only easy to assembly, and is convenient to field-strip when breaking down.
Described transparent housing 6 tops are provided with air-vent 61.By air-vent 61, the thermal current of miniature LED bulb inside can with extraneous convection current, the outside conduction that the heat of LED bulb inside can be started, improve heat dispersion.
Described radiator 2 is provided with the die cavity that cross sectional shape is identical with heating column 4 cross sectional shapes, and described heating column 4 is inserted in described die cavity.This makes heating column 4 can more firmly be fixed on radiator 2 on the one hand, can not rotate or be offset, also increased the connection area between heating column 4 and radiator 2, improve the heat-conductive characteristic between the two, and then improve the integral heat sink effect of light fixture simultaneously.
Described heating column 4 bottoms offer screw 42, and described radiator 2 offers the through hole corresponding with described screw 42, and described radiator 2 also comprises machine tooth screw 8, and described machine tooth screw 8 is screw-coupled in described screw 42 through after through hole.This assembly structure is simply firm, especially is applicable to undersized LED bulb, certainly reaches according to specific needs technical conditions, and heating column 4 and radiator 2 can also adopt other connected modes, such as connected modes such as welding.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not to the restriction of the utility model protection domain; although with reference to preferred embodiment, the utility model has been done to explain; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model, and not break away from essence and the scope of technical solutions of the utility model.