External vehicle-mounted spotlight structure with high heat dissipation efficiency
Technical Field
The utility model relates to the technical field of vehicle-mounted spot lamps, in particular to a high-efficiency heat-dissipation external vehicle-mounted spot lamp structure.
Background
The motorcycle spot light mainly plays a role in lighting and signaling. The light emitted by the spotlight can illuminate the road condition in front of the vehicle body, so that a driver can drive safely at night.
The spot lamp can generate large heat when in use due to strong light, and the heat accumulated in the spot lamp is too large, thereby easily damaging the lens and the luminous part of the spot lamp.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the technical defects, provides an external vehicle-mounted high-efficiency heat-dissipation spotlight structure and solves the technical problem that the lens and the light-emitting part of the spotlight in the prior art are low in heat dissipation efficiency.
In order to achieve the technical purpose, the technical scheme of the utility model provides a high-efficiency heat-dissipation plug-in vehicle-mounted spotlight structure, which comprises the following components:
the lamp holder is characterized in that a first accommodating groove is formed in the front end of the lamp holder, a light emitting part is arranged in the first accommodating groove, and a first airflow guide groove is formed in the side wall of the lamp holder;
the lamp cover is connected to the front end of the lamp holder, a first through groove penetrating through the front end face and the rear end face of the lamp cover is formed in the lamp cover, the first through groove is located at the front end of the first accommodating groove, the edge of the lens is clamped between the lamp cover and the lamp holder, the front end of the lens penetrates through the first through groove, a second air flow guide groove penetrating through the front end face and the rear end face of the lamp cover is formed in the lamp cover, and the second air flow guide groove is communicated with the first air flow guide groove;
the tail part of the second airflow guide groove is communicated with a plurality of first airflow guide grooves which are arranged side by side, and every two adjacent first airflow guide grooves are separated by a heat dissipation rib.
Further, the length direction of the first air flow guide groove is consistent with the optical axis direction of the lens.
Furthermore, the first air flow guide groove is a groove formed by recessing the side wall of the lamp holder.
Furthermore, first air current guide slot includes first spread groove and second spread groove, first spread groove is the arc wall, the front end of first spread groove with the afterbody intercommunication of second spread groove, the water conservancy diversion area of first spread groove reduces from preceding to the back gradually, the front end of second spread groove is relative the second air current guide slot is arranged, and with second air current guide slot intercommunication.
Further, the second air flow guide groove is disposed near an edge of the lens.
Furthermore, the light emitting surface of the lens is an ellipsoid.
Furthermore, the number of the second air flow guide grooves is at least two, wherein the two second air flow guide grooves are respectively positioned at two ends of the long axis of the lens.
Further, the length direction of the second air flow guide groove is consistent with the minor axis direction of the lens.
Further, the lamp cover is detachably connected with the lamp holder.
Further, the heat dissipation rib and the lamp holder are integrally formed.
Compared with the prior art, the utility model has the beneficial effects that: the externally-hung vehicle-mounted spotlight structure effectively utilizes wind resistance in the driving process of a motorcycle, airflow generated by the wind resistance is poured into the second airflow guide groove from the front end of the lamp cover, and then the airflow is dispersed at the tail part of the second airflow guide groove to enter the first airflow guide grooves and is discharged from the outer side and the tail part of the first airflow guide groove, so that heat of the first airflow guide groove and the heat dissipation ribs is quickly taken away, heat dissipation of a lens and a light-emitting part of the spotlight is accelerated, and the service time of a lamp bead (a light-emitting part) is effectively prolonged.
Drawings
FIG. 1 is a schematic view of a first perspective structure of an embodiment of a high-efficiency heat-dissipating external vehicle-mounted spotlight structure provided by the utility model;
FIG. 2 is a schematic perspective view of a second perspective view of an embodiment of the high-efficiency heat-dissipating external vehicle-mounted spotlight structure provided in the present invention;
fig. 3 is a first view front section structure diagram of an embodiment of the high-efficiency heat-dissipation external hanging vehicle-mounted spotlight structure provided by the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, fig. 2 and fig. 3, the present embodiment provides a high-efficiency heat dissipation external vehicle-mounted spotlight structure, including: lamp stand 1, lamp lid 2.
The front end of the lamp holder 1 is provided with a first containing groove a, a luminous part is arranged in the first containing groove a, the side wall of the lamp holder 1 is provided with a first airflow guide groove 1a, the lamp cover 2 is connected with the front end of the lamp holder 1, the lamp cover 2 is provided with a first through groove 2a penetrating through the front end surface and the rear end surface of the lamp cover, the first through groove 2a is positioned at the front end of the first accommodating groove, the edge of the lens 3 is clamped between the lamp cover 2 and the lamp holder 1, the front end of the lens 3 is arranged in the first through groove 2a in a penetrating way, the lamp cover 2 is provided with a second airflow guide groove 2b penetrating through the front end surface and the rear end surface of the lamp cover 2, the second air flow guide groove 2b is communicated with the first air flow guide grooves 1a, the tail portion of the second air flow guide groove 2b is communicated with a plurality of first air flow guide grooves 1a which are arranged side by side, and every two adjacent first air flow guide grooves 1a are spaced by a heat dissipation rib 1 b.
According to the externally-hung vehicle-mounted spotlight structure, wind resistance in the driving process of a motorcycle is effectively utilized, airflow generated by the wind resistance is poured into the second airflow guide groove 2b from the front end of the lamp cover 2, then the airflow is dispersed at the tail part of the second airflow guide groove 2b to enter the plurality of first airflow guide grooves 1a and is discharged from the outer side and the tail part of the first airflow guide grooves 1a, so that heat of the first airflow guide grooves 1a and the heat dissipation ribs 1b is quickly taken away, heat dissipation of the lens 3 and the light-emitting part of the spotlight is accelerated, and the service time of a lamp bead (a light-emitting part) is effectively prolonged.
In this embodiment, the length direction of the first airflow guide groove 1a is the same as the optical axis direction of the lens 3, the length direction of the second airflow guide groove 2b is the same as the short axis direction of the lens 3, the first airflow guide groove 1a is a concave groove formed by recessing the side wall of the lamp holder 1, and the heat dissipation rib 1b and the lamp holder 1 are integrally formed.
First air current guide slot 1a includes first connecting slot 1a1 and second connecting slot 1a2, first connecting slot 1a1 is the arc wall, the front end of first connecting slot 1a1 with the afterbody intercommunication of second connecting slot 1a2, the water conservancy diversion area of first connecting slot 1a1 is dwindled by preceding to the back gradually, the front end of second connecting slot 1a2 is relative second air current guide slot 2b arranges, and with second air current guide slot 2b communicates, and above-mentioned structure is convenient for guide the air current after the heat transfer outwards discharges fast from the afterbody of first connecting slot 1a1, reduces the resistance that the air current was discharged.
The second air flow guide groove 2b is close to the edge of the lens 3, the light emitting surface of the lens 3 is an ellipsoid surface, the second air flow guide grooves 2b are at least two, wherein the second air flow guide grooves 2b are respectively located at two ends of the long axis of the lens 3, in the embodiment, the second air flow guide grooves 2b are provided with two air flow guide grooves, specifically two air flow guide grooves 2b are respectively arranged at the left side and the right side of the front end surface of the lamp cover 2, the structure plays a role of good appearance and can also better dissipate heat, the symmetry of heat dissipation is ensured, and the phenomena that the local temperature difference is large and the thermal stress is asymmetric and deforms are avoided.
In this embodiment, the lamp cover 2 and the lamp holder 1 can be detached and connected, specifically, the lamp cover 2 and the front end face of the lamp holder 1 are fixedly connected through screws, and the structure is convenient for assembly and also convenient for manufacturing the first airflow guide groove 1a and the second airflow guide groove 2b in a split manner.
In this embodiment, the afterbody of lamp stand 1 still is fixed with tail-hood 4, be provided with second heat dissipation muscle 4a on the tail-hood 4, the bottom of lamp stand 1 is connected with shot-light mounting bracket 5.
The working principle is as follows: according to the externally-hung vehicle-mounted spotlight structure, wind resistance in the driving process of a motorcycle is effectively utilized, airflow generated by the wind resistance is poured into the second airflow guide groove 2b from the front end of the lamp cover 2, then the airflow is dispersed at the tail part of the second airflow guide groove 2b to enter the plurality of first airflow guide grooves 1a and is discharged from the outer side and the tail part of the first airflow guide grooves 1a, so that heat of the first airflow guide grooves 1a and the heat dissipation ribs 1b is quickly taken away, heat dissipation of the lens 3 and the light-emitting part of the spotlight is accelerated, and the service time of a lamp bead (a light-emitting part) is effectively prolonged.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.