CN203656654U

CN203656654U - Bulb with great heat radiation effect

Info

Publication number: CN203656654U
Application number: CN201320880088.1U
Authority: CN
Inventors: 蔡干强
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-12-30
Filing date: 2013-12-30
Publication date: 2014-06-18
Anticipated expiration: 2023-12-30

Abstract

A bulb with a great heat radiation effect comprises a lamp cap, a plastic lamp holder and a transparent bulb shell all orderly connected with each other. A radiator containing a through hole on the center thereof is connected in the plastic lamp holder; the lower part of the radiator is inserted into the lamp cap; the external side surface of the radiator is in a slight interference fit connection with the internal side surface of the lamp cap; the upper end of the radiator is placed in the transparent bulb shell; an upper end surface of the radiator is equipped with an LED paster light source; and a driving power supply is arranged in the through hole of the radiator. With a connection structure between the radiator and the lamp cap and a full contact therebetween, heat produced by the light source can be quickly and effectively conducted to the lamp cap via the radiator, so that the heat produced by the light directly has a contact with outside air to form effective convection heat radiation and great heat radiation effect is provided; a purpose of quick heat radiation and cooling of the light source can be achieved and service life of the light source is well prolonged; and the bulb with the great heat radiation effect possesses safe and reliable use, beautiful contour and strong practicality.

Description

A kind of bulb of good heat dissipation effect

Technical field

The utility model relates to lighting technical field, particularly relates to a kind of bulb of good heat dissipation effect.

Background technology

In general, whether the work of LED lamp is stable, and quality quality, most important with the heat radiation of lamp body self.The heat radiation of LED lamp in the market, substantially be that radiator by being independently arranged in plastic shell is realized heat radiation, because being positioned at plastic shell, radiator directly do not contact with outside air, and radiator is mounted on a metal substrate, the heat that LED lamp pearl produces is to be transmitted on radiator through metal substrate, go out by heat sink radiates again, heat conduction distance, therefore the heat that light source produces cannot be dispersed in outside air rapidly, thereby cause the dissatisfactory problem of LED lamp radiating effect, have a strong impact on the service life of LED lamp, and its complicated integral structure, manufacturing cost is high.Meanwhile, the LED lamp pearl in existing LED lamp normally sets in a row, can cause so the inhomogeneous problem of distribution of light in range of exposures, has hot spot and occurs, thereby cause light source effectively to be used when irradiation.

Summary of the invention

The purpose of this utility model is for above-mentioned existing problems and deficiency, provide that a kind of simple and reliable for structure, good heat dissipation effect, light utilization efficiency are high, illumination evenly rationally and the bulb of the good heat dissipation effect of long service life.

The technical solution of the utility model is achieved in that

The bulb of good heat dissipation effect described in the utility model, be characterized in comprising the lamp holder, plastic lamp holder and the printing opacity cell-shell that sequentially connect, in wherein said plastic lamp holder, be connected with the radiator that center has through hole, the bottom of described radiator is inserted in lamp holder and its lateral surface is slight interference fit with the medial surface of lamp holder and is connected, the upper end of described radiator is positioned on the end face of printing opacity cell-shell and its upper end and is provided with LED paster light source, in the through hole of described radiator, be provided with driving power, described driving power is electrically connected with lamp holder and LED paster light source respectively.

For the utility model is had on the basis of good radiating effect, syndeton between the structure of radiator and radiator and plastic lamp holder is varied, both heat dissipation base and one-body molded some radiating fins on heat dissipation base lateral surface that can be above-mentioned radiator have a through hole by center form, correspondingly on the medial surface of above-mentioned plastic lamp holder be provided with some can be used for and the outer end groove of corresponding clamping one by one of radiating fin, also heat dissipation base and one-body molded some radiating fins on heat dissipation base medial surface that can be above-mentioned radiator have a through hole by center form, the lateral surface of described heat dissipation base is arranged to shiny surface, and above-mentioned plastic lamp holder is arranged to shiny surface accordingly for the medial surface contacting with the lateral surface of heat dissipation base.

In the time being provided with radiating fin on the lateral surface of radiator, for improve further between radiator and plastic lamp holder be connected reliable, and can more easily radiator orientation be inserted in plastic lamp holder, on the lateral surface of above-mentioned heat dissipation base, be provided with symmetrically two location card convexs, on the medial surface of above-mentioned plastic lamp holder, be provided with accordingly two locating grooves, described heat dissipation base is affixed on plastic lamp holder with the corresponding clamping of locating groove by described location card convex.

In order to make structure of the present utility model varied, and light is evenly distributed rationally that (Ji You center is to peripheral in range of exposures, by highlighted dimmed outward gradually), not having hot spot occurs, more effectively make to use up, both can be that above-mentioned LED paster light source is by substrate and be arranged at least one group on the substrate LED lamp pearl distributing ringwise and form, described substrate is fixed on radiator and with the end face of radiator upper end and is fitted tightly by screw, also can be that above-mentioned LED paster light source is by substrate, be arranged on difference on substrate from bottom to top and the LED lamp pearl composition arranging in some gripper shoes of tilting of ecto-entad and each gripper shoe, described substrate is fixed on radiator and with the end face of radiator upper end and is fitted tightly by screw, now on described substrate, can also be provided with at least one group of LED lamp pearl distributing ringwise.

The utility model is due to the structure that has adopted radiator to be connected with lamp holder, by fully contacting of lamp holder and radiator, the heat that light source is produced can be transmitted on lamp holder fast and effectively through radiator, the heat that light source produces so just can directly contact with outside air and form effective heat loss through convection, good heat dissipation effect, thereby realize the object of light source quick heat radiating cooling, effectively extended the service life of light source.Simultaneously, due to some LED lamp pearls are arranged in to loop configuration, can make being evenly distributed rationally of light in the range of exposures of lamp pearl by the annular spread of LED lamp pearl, Ji You center is from highlighted dimmed outward gradually to periphery, so just do not have the appearance of hot spot, thereby can more effectively make to use up.And, safe and reliable, good looking appearance, practical of the present utility model.

Below in conjunction with accompanying drawing, the utility model is further described.

Brief description of the drawings

Fig. 1 is perspective view of the present utility model.

Fig. 2 is the cross-sectional view of Fig. 1 during as embodiment 1.

Fig. 3 is the decomposition texture schematic diagram of Fig. 1 during as embodiment 1.

Fig. 4 is the cross-sectional view of Fig. 1 during as embodiment 2.

Fig. 5 is the decomposition texture schematic diagram of Fig. 1 during as embodiment 2.

Fig. 6 is the cross-sectional view of Fig. 1 during as embodiment 3.

Fig. 7 is the decomposition texture schematic diagram of Fig. 1 during as embodiment 3.

Detailed description of the invention

As shown in Fig. 1-Fig. 7, the bulb of good heat dissipation effect described in the utility model, comprise the lamp holder 1 sequentially connecting, plastic lamp holder 2 and printing opacity cell-shell 3, in wherein said plastic lamp holder 2, be connected with the radiator 4 that center has through hole, the bottom of described radiator 4 is inserted in lamp holder 1 and its lateral surface is slight interference fit with the medial surface of lamp holder 1 and is connected, the upper end of described radiator 4 is positioned on the end face of printing opacity cell-shell 3 and its upper end and is provided with LED paster light source 5, in the through hole of described radiator 4, be provided with driving power 6, described driving power 6 is electrically connected with lamp holder 1 and LED paster light source 5 respectively, between described plastic lamp holder 2 and lamp holder 1, it is riveting, the lower end of described printing opacity cell-shell 3 is inserted the upper end of plastic lamp holder 2 and is connected and fixed with plastic lamp holder 2.For the utility model is had on the basis of good radiating effect, syndeton between the structure of radiator 4 and radiator 4 and plastic lamp holder 2 is varied, as shown in Figures 2 and 3, both heat dissipation base 41 and one-body molded some radiating fins 42 on heat dissipation base 41 lateral surfaces that can be described radiator 4 have a through hole by center form, and correspondingly on the medial surface of described plastic lamp holder 2 are provided with some can be used for and the outer end groove 21 of corresponding clamping one by one of radiating fin 42; Or as shown in Figures 4 and 5, heat dissipation base 41 and one-body molded some radiating fins 42 on heat dissipation base 41 medial surfaces that described radiator 4 has through hole by center form, the lateral surface of described heat dissipation base 41 is arranged to shiny surface, and described plastic lamp holder 2 is arranged to shiny surface accordingly for the medial surface contacting with the lateral surface of heat dissipation base 41.In the time being provided with radiating fin 42 on the lateral surface of radiator 4, for improve further between radiator 4 and plastic lamp holder 2 be connected reliable, and can more easily radiator 4 orientations be inserted in plastic lamp holder 2, as shown in Figures 2 and 3, on the lateral surface of described heat dissipation base 41, be provided with symmetrically two location card convexs 43, on the medial surface of above-mentioned plastic lamp holder 2, be provided with accordingly two locating grooves 22, described heat dissipation base 41 is affixed on plastic lamp holder 2 with the corresponding clamping of locating groove 22 by described location card convex 43.In order to make structure of the present utility model varied, and light is evenly distributed rationally that (Ji You center is to peripheral in range of exposures, by highlighted dimmed outward gradually), not having hot spot occurs, more effectively make to use up, as shown in Figures 2 to 5, described LED paster light source 5 is by substrate 51 and be arranged at least one group on the substrate 51 LED lamp pearl 52 distributing ringwise and form, described substrate 51 is fixed on radiator 4 and with the end face of radiator 4 upper ends and is fitted tightly by screw, preferably, the described LED lamp pearl 52 distributing is ringwise provided with at least two groups coaxially, or as shown in FIG. 6 and 7, described LED paster light source 5 by substrate 51, be arranged on substrate 51 respectively from bottom to top and ecto-entad tilt some gripper shoes 53 and each gripper shoe 53 on arrange LED lamp pearl 52 form, described substrate 51 is fixed on radiator 4 and with the end face of radiator 4 upper ends and is fitted tightly by screw, now on described substrate 51, can also be provided with at least one group of LED lamp pearl 52 distributing ringwise.As shown in FIG. 6 and 7, described gripper shoe 53 is provided with three equably, and three described gripper shoes 53 are connected on substrate 51 by the connecting hole arranging on substrate 51, and after connecting, is formed as lower large little Mitsubishi's wimble structure.In addition, described printing opacity cell-shell 3 is glass printing opacity cell-shell or transparent plastic cell-shell, and described printing opacity cell-shell 3 is the cell-shell of spheric bulb or mushroom-shaped bubble or pyriform bubble or candle bubble or other shape.

The utility model is described by embodiment, but the utility model is not construed as limiting, with reference to description of the present utility model, other variations of the disclosed embodiments, as the professional person for this area easily expects, within such variation should belong to the scope of the utility model claim restriction.

Claims

1. the bulb of a good heat dissipation effect, it is characterized in that comprising the lamp holder (1) sequentially connecting, plastic lamp holder (2) and printing opacity cell-shell (3), the radiator (4) that the center that is connected with in wherein said plastic lamp holder (2) has through hole, the bottom of described radiator (4) is inserted in lamp holder (1) and its lateral surface is slight interference fit with the medial surface of lamp holder (1) and is connected, the upper end of described radiator (4) is positioned on the end face of printing opacity cell-shell (3) and its upper end and is provided with LED paster light source (5), in the through hole of described radiator (4), be provided with driving power (6), described driving power (6) is electrically connected with lamp holder (1) and LED paster light source (5) respectively.

2. the bulb of good heat dissipation effect according to claim 1, it is characterized in that heat dissipation base (41) and one-body molded some radiating fins (42) on heat dissipation base (41) lateral surface that above-mentioned radiator (4) has through hole by center form, on the medial surface of above-mentioned plastic lamp holder (2), correspondence is provided with some can be used for and the outer end groove of corresponding clamping (21) one by one of radiating fin (42).

3. the bulb of good heat dissipation effect according to claim 2, it is characterized in that being provided with symmetrically on the lateral surface of above-mentioned heat dissipation base (41) two location card convexs (43), on the medial surface of above-mentioned plastic lamp holder (2), be provided with accordingly two locating grooves (22), described heat dissipation base (41) is affixed on plastic lamp holder (2) with the corresponding clamping of locating groove (22) by described location card convex (43).

4. the bulb of good heat dissipation effect according to claim 1, it is characterized in that heat dissipation base (41) and one-body molded some radiating fins (42) on heat dissipation base (41) medial surface that above-mentioned radiator (4) has through hole by center form, the lateral surface of described heat dissipation base (41) is arranged to shiny surface, and above-mentioned plastic lamp holder (2) is arranged to shiny surface accordingly for the medial surface contacting with the lateral surface of heat dissipation base (41).

5. the bulb of good heat dissipation effect according to claim 1, it is characterized in that above-mentioned LED paster light source (5) by substrate (51) and be arranged at least one group on substrate (51) the LED lamp pearl (52) distributing ringwise forming, described substrate (51) is fixed to radiator (4) above and is fitted tightly with the end face of radiator (4) upper end by screw.

6. the bulb of good heat dissipation effect according to claim 5, is characterized in that the above-mentioned LED lamp pearl (52) distributing is ringwise provided with at least two groups coaxially.

7. the bulb of good heat dissipation effect according to claim 1, it is characterized in that above-mentioned LED paster light source (5) by substrate (51), be arranged on difference on substrate (51) from bottom to top and some gripper shoes (53) and the upper LED lamp pearl (52) arranging of each gripper shoe (53) that ecto-entad tilts form, described substrate (51) is fixed to radiator (4) by screw and goes up and fit tightly with the end face of radiator (4) upper end.

8. the bulb of good heat dissipation effect according to claim 7, is characterized in that being provided with on aforesaid substrate (51) at least one group of LED lamp pearl (52) distributing ringwise.

9. the bulb of good heat dissipation effect according to claim 1, is characterized in that above-mentioned printing opacity cell-shell (3) is glass printing opacity cell-shell or transparent plastic cell-shell.

10. the bulb of good heat dissipation effect according to claim 1, is characterized in that above-mentioned printing opacity cell-shell (3) is for spheric bulb or mushroom-shaped bubble or pyriform bubble or candle bubble.