CN209909785U

CN209909785U - Anti-dazzling automobile bulb

Info

Publication number: CN209909785U
Application number: CN201920819493.XU
Authority: CN
Inventors: 沈振辉
Original assignee: Haining Needer Lighting Electrical Appliances Co Ltd
Current assignee: Haining Needer Lighting Electrical Appliances Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-01-07
Anticipated expiration: 2029-05-31

Abstract

The utility model provides a prevent dazzling car bulb belongs to bulb technical field. This prevent dazzling car bulb, which comprises a fixed base, connecting seat and lamp pearl, the sealed cowling has been cup jointed on the fixing seat, the sealed cowling is kept away from fixing seat one end and is equipped with the opening, the opening part is connected with hemispherical printing opacity cover, the printing opacity cover inside wall still is connected with the lens, the connecting seat is fixed in on the fixing seat in the sealed cowling, the lamp pearl is installed on the connecting seat, still be equipped with the link on the connecting seat, be connected with annular cooling tube on the link, the cavity has been seted up in the fixing seat, be equipped with the heat dissipation fan in the cavity, it has a plurality of heat conduction holes one that run through from top to bottom to open on the connecting seat, it has a plurality of intercommunication to cavity heat conduction hole two. The utility model discloses utilize heat dissipation and heat absorption dual structure to set up, can avoid the bulb because of the high impaired of temperature, the bulb can play anti-dazzling effect through the lens in addition, has improved the security.

Description

Anti-dazzling automobile bulb

Technical Field

The utility model belongs to the technical field of the bulb, a prevent dazzling car bulb is related to.

Background

The lamp is an illumination article, and along with the development of the society, the lamp is more and more deep into people's life, and the scope of its involvement is also more and more extensive. The LED bulb is one of various lamps, and has the advantages of small volume, light weight, high light source utilization rate, low power consumption, long service life, short excitation response time, good driving safety, and being beneficial to vehicle appearance design, etc. along with the rapid development of automobiles, the application of the LED on the automobile lamp is more and more extensive, but under the current luminous efficiency, the power of the LED on the automobile lamp is more and more large, the heat dissipation problem of the LED is more and more prominent, the high-power LED light source can only convert part of input power into light energy, and the rest energy is converted into heat, if the generated heat is not timely and effectively dissipated, the temperature can be continuously increased, the LED bulb is easily damaged, and in addition, when the existing LED bulb irradiates, the dazzling of an oncoming vehicle driver is easily caused, and certain potential safety hazards are realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided an anti-dazzle car bulb.

The purpose of the utility model can be realized by the following technical proposal: an anti-dazzling automobile bulb comprises a fixed seat, a connecting seat and a lamp bead, and is characterized in that a sealing cover is sleeved on the fixed seat, an opening is formed in one end, away from the fixed seat, of the sealing cover, a hemispherical light transmitting cover is connected to the opening, a light distribution mirror is further connected to the inner side wall of the light transmitting cover, the connecting seat is fixed on the fixed seat in the sealing cover, the lamp bead is mounted on the connecting seat, a connecting frame is further arranged on the connecting seat, an annular cooling pipe is connected to the connecting frame, a cavity is formed in the fixed seat, a heat dissipation fan is arranged in the cavity, a plurality of first heat conduction holes which penetrate through the connecting seat from top to bottom are formed in the connecting seat, a plurality of second heat conduction holes which are communicated with the cavity are formed in the upper end of the fixed seat, the first heat conduction holes and the second heat conduction holes are in one-, the heat dissipation wall cavity is provided with an annular connector for butting the annular heat dissipation port, and the outer side of the sealing cover is also provided with a heat dissipation piece.

The annular cooling tube is internally filled with cooling liquid, when a large amount of heat can be generated in the use process of the lamp bead, the annular cooling tube can absorb heat anytime and anywhere to reduce the temperature in the lamp bulb, the heat dissipation fan is started again simultaneously, the heat dissipation fan can drive the airflow in the lamp bulb to flow, the heat around the lamp bead can enter the cavity through the first heat conduction hole and the second heat conduction hole along with the airflow, the annular heat dissipation opening of the cavity of the rethread enters the heat dissipation wall cavity, the heat dissipation part on the sealing cover dissipates heat to the hot air, the continuous heating of the lamp bulb can be avoided through dual heat dissipation to cause the lamp bulb to be damaged, and the service life of. In addition, when the lamp beads are used for emitting light, the asymmetric light type can be obtained through the arrangement of the light distribution lens, so that the light beam irradiated by a head-on vehicle driver is fully limited, the anti-dazzling effect is achieved, a driving route can be well illuminated, and the safety coefficient of vehicle meeting at night is improved.

Preferably, the annular cooling pipe is connected with a plurality of cooling branch pipes, and the plurality of cooling branch pipes are circumferentially arranged on the inner wall of the light-transmitting cover.

The structure more than adopting, the intercommunication has cooling branch pipe on annular cooling tube, improves the thermal absorption around the lamp pearl through cooling branch pipe, and cooling branch pipe circumference sets up and forms the surrounding structure to the lamp pearl in printing opacity cover inner wall, further improves the heat absorption around the lamp pearl.

Preferably, the opening part is provided with an internal thread, and the connecting end of the light-transmitting cover and the opening is provided with an external thread matched with the internal thread.

Structure more than adopting through the threaded connection of internal thread and external screw thread for become detachable construction between sealed cowling and the printing opacity cover, the people's operation of being convenient for moreover, when partly impaired, can correspond to change and reduce cost of maintenance.

Preferably, the bottom end of the internal thread is provided with an annular groove, a sealing ring is arranged in the annular groove, and the upper end of the sealing ring is abutted against the bottom of the connecting end of the light-transmitting cover.

The structure has strengthened the compactness of being connected between sealed cowling and the printing opacity cover through the sealing washer more than adopting.

Preferably, the cross section of the first heat conduction hole is funnel-shaped, and the cross section of the annular heat dissipation opening is inverted funnel-shaped.

By adopting the structure, hot air around the lamp beads can enter the cavity in an accelerating manner, and the hot air can enter the heat dissipation wall cavity from the cavity in an accelerating manner.

Preferably, the middle of the top wall of the cavity is provided with an air guide block.

By adopting the structure, the hot air entering the cavity can be accelerated to be diffused out of the annular heat dissipation opening by utilizing the air guide block.

Preferably, the radiating pieces are radiating fins which are provided with a plurality of radiating fins, and the plurality of radiating fins are circumferentially arranged on the outer side of the sealing cover.

Wherein fin one end inserts the heat dissipation wall intracavity, and the fin other end is located the sealed cowling outside, and after steam got into the heat dissipation wall chamber, can improve the heat dissipation fast through a plurality of fins, can ensure the leakproofness in the bulb in addition again.

Advantageous effects

The utility model provides a prevent dazzling car bulb possesses following beneficial effect:

1. this prevent dazzling car bulb carries out the intensification that the heat absorption can slow down the bulb to the lamp pearl through annular cooling tube, and the intercommunication has a plurality of cooling branch pipes on annular cooling tube, and a plurality of cooling branch pipe circumference set up and form the surrounding structure in light-transmitting cover inner wall to the lamp pearl, further improve the heat absorption around the lamp pearl.

2. This prevent dazzling car bulb through being equipped with of heat dissipation fan in the cavity to and the cooperation of heat conduction hole one, heat conduction hole two, annular thermovent, heat dissipation wall chamber, annular connector and fin, can not only drive the flow of air current in the bulb, but also can be to the inside further heat dissipation of bulb, avoid the bulb to continuously heat up, and lead to the bulb impaired because of the high temperature.

3. This prevent dazzling auto bulb, the light that is equipped with of lens makes the lamp pearl shine away forms the light of asymmetric light type, thereby the light beam that oncoming vehicle driver received the illumination has fully been restricted, play and prevent dazzling effect, and can make the driving route obtain good illumination again, improve the factor of safety of meeting at night, pass through the threaded connection of internal thread and external screw thread between printing opacity cover and the opening in addition, make to become detachable construction between sealed cowling and the printing opacity cover, not only the people of being convenient for operate, and when partly impaired among them, can correspond and change reduction cost of maintenance.

Drawings

Fig. 1 is an interior view of the present anti-glare automotive bulb.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a top view of the mounting base of the anti-glare automotive bulb.

Fig. 4 is a top view of an annular cooling tube in the present anti-glare automotive bulb.

In the figure, 1, a fixed seat; 2. a connecting seat; 3. a lamp bead; 4. a sealing cover; 5. an opening; 6. a light-transmitting cover; 7. a connecting frame; 8. an annular cooling tube; 9. a cavity; 10. a heat dissipation fan; 11. a first heat conduction hole; 12. a second heat conduction hole; 13. an annular heat dissipation port; 14. a heat dissipating wall cavity; 15. an annular connector; 16. cooling the branch pipe; 17. an internal thread; 18. an external thread; 19. an annular groove; 20. a seal ring; 21. a wind guide block; 22. a lens; 23. and a heat sink.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, this prevent dazzling auto bulb, including fixing base 1, connecting seat 2 and lamp pearl 3, its characterized in that, the sealed cowling 4 has been cup jointed on the fixing base 1, the one end that the fixed cowling 4 kept away from fixing base 1 is equipped with opening 5, opening 5 department is connected with hemispherical printing opacity cover 6, connecting seat 2 is fixed in on the fixing base 1 in the sealed cowling 4, lamp pearl 3 is installed on connecting seat 2, opening 5 department is equipped with internal thread 17, printing opacity cover 6 is equipped with the external screw thread 18 that matches each other with internal thread 17 with opening 5's link, threaded connection through internal thread 17 and external screw thread 18, make and become detachable construction between sealed cowling 4 and the printing opacity cover 6, and the people's of being convenient for operate, when some is impaired, can correspond and. The bottom end of the internal thread 17 is provided with an annular groove 19, a sealing ring 20 is arranged in the annular groove 19, the upper end of the sealing ring 20 is abutted against the bottom of the connecting end of the light-transmitting cover 6, and the tightness of connection between the sealing cover 4 and the light-transmitting cover 6 is enhanced through the sealing ring 20.

The 6 inside walls of printing opacity cover still are connected with lens 22, obtain asymmetric light type through lens 22 to fully restricted the light beam that the vehicle driver that faces on received the illumination, played the dazzling effect of preventing, can make the driving route obtain good illumination moreover again, improved the factor of safety of meeting at night.

Still be equipped with link 7 on connecting seat 2, be connected with annular cooling tube 8 on link 7, be connected with a plurality of cooling branch pipes 16 on the

annular cooling tube

8, 16 circumference of a plurality of cooling branch pipes set up in printing opacity cover 6 inner walls, the intercommunication has cooling branch pipe 16 on annular cooling tube 8, improve the thermal absorption around lamp pearl 3 through cooling

branch pipe

16, 16 circumference of cooling branch pipe set up and form the surrounding structure to lamp pearl 3 in printing opacity cover 6 inner walls, further improve the heat absorption around lamp pearl 3.

Having seted up cavity 9 in the fixing base 1, be equipped with heat dissipation fan 10 in the cavity 9, it has a plurality of heat conduction holes 11 that run through from top to bottom to open on the connecting seat 2, it has a plurality of intercommunication to cavity 9 heat conduction hole two 12 to open on the fixing base 1, heat conduction hole one 11 and heat conduction hole two 12 are the one-to-one and link up the setting each other, cavity 9 upper end is still opened has the communicating annular thermovent 13 with cavity 9, the heat dissipation wall chamber 14 has in the sealed cowling 4, the annular connector 15 that is used for butt joint annular thermovent 13 has on the heat dissipation wall chamber 14, the sealed cowling 4 outside still is equipped with the. The cross section of the first heat conducting hole 11 is funnel-shaped, the cross section of the annular heat radiating port 13 is inverted funnel-shaped, and hot air around the lamp bead 3 can enter the cavity 9 in an accelerated manner, and then the hot air can enter the heat radiating wall cavity 14 from the cavity 9 in an accelerated manner. The middle of the top wall of the cavity 9 is provided with an air guide block 21, and hot air entering the cavity 9 can be accelerated to be emitted from the annular heat dissipation port 13 by utilizing the air guide block 21.

The heat dissipation piece is fin 23, and fin 23 has a plurality of, and a plurality of fin 23 circumference sets up in the sealed cowling 4 outside, and wherein in fin 23 one end inserted heat dissipation wall chamber 14, the other one end of fin 23 is located the sealed cowling 4 outside, and after steam got into heat dissipation wall chamber 14, can improve the heat dissipation fast through a plurality of fins 23, can ensure the leakproofness in the bulb in addition again.

The basic working principle is as follows: when the lamp bead 3 can produce a large amount of heat in the use, annular cooling pipe 8 and a plurality of cooling branch pipes 16 on the annular cooling pipe 8 can absorb heat anytime and anywhere to reduce the temperature in the bulb, simultaneously, heat dissipation fan 10 is restarted, heat dissipation fan 10 can drive the air current in the bulb to flow, the heat around the lamp bead 3 can enter cavity 9 through first heat conduction hole 11 and second heat conduction hole 12 in proper order along with the air current, then enter heat dissipation wall cavity 14 through annular heat dissipation port 13 of cavity 9, wherein air guide block 21 guides the air current in cavity 9, accelerate the hot air in cavity 9 to enter heat dissipation wall cavity 14, then dispel the heat to heat dissipation wall cavity 14 through a plurality of cooling fins 23, wherein the cooling gas after dispelling the heat in heat dissipation wall cavity 14 can flow back again because of the pressure of self in the bulb. In addition, when the lamp beads 3 emit light during work, the light rays sequentially penetrate through the lens 22 and the light-transmitting cover 6 to be radiated outwards, and the lens 22 plays a role in anti-dazzling.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Although terms such as the fixing base 1, the connecting base 2, the lamp bead 3, the sealing cover 4, the opening 5, the light-transmitting cover 6, the connecting frame 7, the annular cooling pipe 8, the cavity 9, the heat dissipating fan 10, the first heat conducting hole 11, the second heat conducting hole 12, the annular heat dissipating port 13, the heat dissipating wall cavity 14, the annular connecting port 15, the cooling branch pipe 16, the internal thread 17, the external thread 18, the annular groove 19, the sealing ring 20, the air guiding block 21, the lens 22, and the heat dissipating fin 23 are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. An anti-dazzling automobile bulb comprises a fixed seat, a connecting seat and a lamp bead, and is characterized in that a sealing cover is sleeved on the fixed seat, an opening is formed in one end, away from the fixed seat, of the sealing cover, a hemispherical light transmitting cover is connected to the opening, a light distribution mirror is further connected to the inner side wall of the light transmitting cover, the connecting seat is fixed on the fixed seat in the sealing cover, the lamp bead is mounted on the connecting seat, a connecting frame is further arranged on the connecting seat, an annular cooling pipe is connected to the connecting frame, a cavity is formed in the fixed seat, a heat dissipation fan is arranged in the cavity, a plurality of first heat conduction holes which penetrate through the connecting seat from top to bottom are formed in the connecting seat, a plurality of second heat conduction holes which are communicated with the cavity are formed in the upper end of the fixed seat, the first heat conduction holes and the second heat conduction holes are in one-, the heat dissipation wall cavity is provided with an annular connector for butting the annular heat dissipation port, and the outer side of the sealing cover is also provided with a heat dissipation piece.

2. The anti-glare automobile bulb as claimed in claim 1, wherein a plurality of cooling branch pipes are connected to the annular cooling pipe, and are circumferentially arranged on the inner wall of the light-transmitting cover.

3. The anti-glare automobile bulb as claimed in claim 2, wherein the opening is provided with an internal thread, and the connecting end of the light-transmitting cover and the opening is provided with an external thread matched with the internal thread.

4. The anti-glare automobile bulb as claimed in claim 3, wherein an annular groove is formed at the bottom end of the internal thread, a sealing ring is arranged in the annular groove, and the upper end of the sealing ring is abutted against the bottom of the connecting end of the light-transmitting cover.

5. The anti-glare automobile bulb as claimed in claim 4, wherein the first heat conduction hole is funnel-shaped in cross section, and the annular heat dissipation port is inverted funnel-shaped in cross section.

6. The anti-glare automobile bulb as claimed in claim 5, wherein a wind guide block is arranged in the middle of the top wall of the cavity.

7. The anti-glare automobile bulb as claimed in claim 6, wherein the heat dissipation member is a plurality of heat dissipation fins, and the plurality of heat dissipation fins are circumferentially arranged outside the sealing cover.