CN109723995B

CN109723995B - Medical head lamp

Info

Publication number: CN109723995B
Application number: CN201711048172.6A
Authority: CN
Inventors: 张丙坤; 王龙
Original assignee: Individual
Current assignee: Zhang Bingkun
Priority date: 2017-10-31
Filing date: 2017-10-31
Publication date: 2020-11-06
Anticipated expiration: 2037-10-31
Also published as: CN109723995A

Abstract

The invention discloses a medical head lamp, which comprises a head cover and a head lamp arranged at the front part of the head cover, wherein the head lamp comprises a housing and a base fixedly connected with the housing through screws, an LED substrate is fixedly arranged inside one end of the housing close to the base, the top of the LED substrate is connected with a heat dissipation aluminum plate, a radiator is connected inside a containing cavity of the base and positioned at the top of the heat dissipation aluminum plate, the radiator comprises a heat dissipation column in the middle and heat dissipation fins radiating towards the periphery by taking the heat dissipation column as the center, a plurality of through holes are arranged inside the heat dissipation column, filling cavities connected with corresponding through holes are arranged inside the heat dissipation fins, heat dissipation copper wires connected with the heat dissipation aluminum plate are filled in the through holes and the filling cavities, a heat conduction plate is arranged at the top of the radiator, and ventilation openings are arranged on. Has the advantages that: the invention has good heat dissipation structure, is suitable for various medical fields, and has wide application.

Description

Medical head lamp

Technical Field

The invention relates to the field of medical equipment, in particular to a medical head lamp.

Background

As is well known, medical headlamps have a wide range of applications, and are used in a variety of medical fields such as ophthalmology, otorhinolaryngology, neurosurgery, hand surgery, and gynecology. Medical headlight receives LED lamp holder structure, outward appearance and usage to limit, the fin can not be too big, inside heat can't circulate out, so the heat dissipation condition is not good enough, in addition, according to different fields illumination light and illumination distance's demand, need adjust the improvement to the spotlight component of headlight, and among the prior art, in order to adjust the spotlight problem of medical headlight has increased single color filter, but such headlight spotlight regulative mode can only adapt to a medical field's demand, the function is single enough.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

The invention provides a medical head lamp aiming at the problems in the related art, and aims to overcome the technical problems in the related art.

The technical scheme of the invention is realized as follows:

a medical head lamp comprises a head cover and a head lamp arranged at the front part of the head cover, wherein the head lamp comprises a cover shell and a base fixedly connected with the cover shell through screws, an LED substrate is fixedly arranged inside one end of the cover shell close to the base, a heat dissipation aluminum plate is connected to the top of the LED substrate, a radiator is connected to the inner part of a containing cavity of the base and the top of the heat dissipation aluminum plate, the radiator comprises a heat dissipation column at the middle part and heat dissipation fins radiating towards the periphery along the heat dissipation column as the center, a plurality of through holes are arranged inside the heat dissipation column, a filling cavity connected with corresponding through holes is arranged inside the heat dissipation fins, heat dissipation copper wires connected with the heat dissipation aluminum plate are filled inside the through holes and the filling cavity, a heat conduction plate is arranged at the top of the radiator, a ventilation opening is arranged on the heat conduction plate, and a refrigeration semiconductor is, the top of the refrigeration semiconductor is connected with a cold guide fin, one side of the base, which is positioned in the accommodating cavity and is provided with a plurality of cooling fans, one end of the LED substrate, which is far away from the cooling aluminum plate, is provided with an LED lamp, one side of the cover, which is far away from the cooling aluminum plate, is provided with an optical lens, a condenser lamp cover is arranged between the cooling aluminum plate and the optical lens and is positioned at the periphery of the LED lamp, a reflector is arranged in the cover and is positioned below the optical lens, one end of the cover, which is far away from the base, is provided with a lens, a depressed area is arranged on the cover and is positioned at the periphery of the lens, a plurality of sliding columns are arranged on the cover corresponding to the axial circumference of the side wall of the depressed area, an adjusting sliding frame matched with the depressed area is arranged on the cover, a plurality of cavities corresponding to the sliding columns, one side of cavity and be close to the left end of depressed area be equipped with the corresponding slide bearing of traveller, a plurality of lie in the cavity the bottom of traveller that the top cavity of adjusting the traveller corresponds is equipped with rectangular sliding tooth, the inside of adjusting the traveller is equipped with the vertical cavity of intercommunication top cavity, the inside of adjusting the traveller is equipped with the card stop device who alternates vertical cavity with top cavity, the card stop device include with vertical cavity sliding connection's spliced pole with lie in the card stop circle of traveller outer lane, the top of adjusting the traveller and lie in the top of spliced pole is equipped with rubber button, the spliced pole with the card stop encloses between fixed connection, the inner bottom top of card stop circle be equipped with the protruding tooth that rectangular tooth's socket engaged with, the inner chamber top of vertical cavity be equipped with spliced pole assorted first spring, the spliced pole is last and be located the inside of top cavity is equipped with to the circle, first spring is located the bottom of supporting the circle, the inner chamber bottom of vertical cavity be equipped with the elastic column of card stop circle fixed connection, the inner chamber of vertical cavity just is located the bottom of elastic column is equipped with the second spring, the right-hand member embedding of adjusting the sliding frame have with the parallel unanimous adjusting lens in lens cross-section.

Furthermore, the whole headlight is the boots shape, the reflector is located the below of optical lens and fixed mounting in the turning district of lamp shade is 45 degrees angular settings.

Further, the length of the mirror frame is larger than that of the sunken area.

Furthermore, a power supply box is arranged at the rear part of the head sleeve, a storage battery is arranged in the power supply box, and a USB interface connected with the storage battery is arranged on the power supply box.

Furthermore, a power supply circuit communicated with the power supply box is arranged in the head cover.

Furthermore, the heat dissipation aluminum plate is provided with an opening for connecting a power line, the base is provided with a power line outlet, and the power line penetrates through the power line outlet and the power line and is connected with the storage battery.

Furthermore, one end of the sliding column, which is close to the adjusting lens, is provided with a resisting block.

Furthermore, an adjusting pivot is arranged at the top of the head cover.

Furthermore, the head lamp is fixedly connected with the front fixing seat of the head sleeve through a connecting piece inserting screw.

Further, the LED substrate is fixedly mounted on the base through screws.

According to the LED lamp, the heat-conducting aluminum plate is arranged at the top of the LED substrate at one end, close to the base, of the lampshade, the heat-conducting aluminum plate is connected to the top of the heat-conducting aluminum plate, and the heat-conducting copper wires are filled in the through holes in the heat-radiating columns and the filling cavities in the heat-radiating fins; the other end of the radiator is connected with the refrigeration semiconductor through the heat conduction plate, the cold guide fins are arranged at the top of the refrigeration semiconductor, the plurality of radiating fans are fixedly installed on the inner wall of the base corresponding to the cold guide fins, when the headlamp works, the radiating fans work simultaneously, and cold airflow formed by the radiating fans matching with the cold guide fins is in contact with the radiating fins through the ventilation openings in the heat conduction plate, so that heat on the radiating fins is taken away quickly, and the radiating speed is further accelerated; the concave area and the adjusting sliding frame matched with the concave area are arranged at one end of the lampshade far away from the base, the cavity of the adjusting sliding frame and a sliding bearing arranged at one side of the cavity are matched through a plurality of sliding columns on the concave area, the adjusting lens on the adjusting sliding frame is matched with an optical lens, a reflector and a lens in a headlamp, a user can adjust the light-gathering distance of a light beam by rotating an adjusting lens frame, the user can press a rubber button when the light-gathering distance is required to be adjusted through arranging a top cavity, a longitudinal cavity and an internal clamping and stopping device in the adjusting sliding frame, then a convex tooth groove at the bottom of an inner bottom of a clamping and stopping ring in the clamping and stopping device is far away from a strip meshed with the convex tooth groove, the adjusting sliding frame is adjusted, when the light beam is adjusted to the ideal light-gathering distance, the rubber button is loosened, the strip tooth groove is meshed with the convex, the use is convenient; the invention has good heat dissipation structure, is suitable for various medical fields, and has wide application.

According to the invention, the power supply circuit and the power supply box connected with the power supply circuit are arranged in the head sleeve, so that accidental damage caused by the power supply wire being exposed outside can be avoided; meanwhile, the storage battery inside the power box is connected through the power line, so that the trouble caused by winding of the power line for connecting the power supply when the headlamp is used can be avoided, and the use is more convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of a headlamp in a medical headlamp according to an embodiment of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a schematic structural view of a medical headlamp according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a heat sink in a medical headlamp according to an embodiment of the present invention;

FIG. 5 is a top view of a heat-conducting plate in a medical headlamp according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of an adjustment slide frame in a medical headlamp according to an embodiment of the present invention;

fig. 7 is a cross-sectional view of a top cavity in a medical headlamp according to an embodiment of the present invention.

In the figure:

1. a headgear; 2. a head lamp; 3. a housing; 4. a base; 5. an LED substrate; 6. a heat dissipation aluminum plate; 7. a heat sink; 8. a heat-dissipating column; 9. a heat dissipating fin; 10. a through hole; 11. filling the cavity; 12. a heat conducting plate; 13. a vent; 14. a refrigeration semiconductor; 15. a cold-conducting fin; 16. a heat radiation fan; 17. an LED lamp; 18. an optical lens; 19. a light-gathering lampshade; 20. a reflective mirror; 21. a lens; 22. a recessed region; 23. a traveler; 24. adjusting the sliding frame; 25. a cavity; 26. a sliding bearing; 27. a top cavity; 28. a strip gullet; 29. a longitudinal cavity; 30. a card stop device; 31. connecting columns; 32. clamping a stop ring; 33. a rubber button; 34. a convex tooth; 35. a first spring; 36. abutting against the ring; 37. an elastic column; 38. a second spring; 39. adjusting the lens; 40. a power supply box; 41. a storage battery; 42. a USB interface; 43. and a power supply circuit.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

According to an embodiment of the present invention, a medical headlamp is provided.

As shown in fig. 1 to 7, the medical head lamp according to the embodiment of the present invention includes a head cap 1 and a head lamp 2 disposed in front of the head cap 1, the head lamp 2 includes a cover 3 and a base 4 fixedly connected to the cover 3 by screws, an LED substrate 5 is fixedly disposed inside one end of the cover 3 close to the base 4, a heat dissipating aluminum plate 6 is connected to the top of the LED substrate 5, a heat sink 7 is connected to the top of the heat dissipating aluminum plate 6 inside a containing cavity of the base 4, the heat sink 7 includes a heat dissipating column 8 in the middle and heat dissipating fins 9 radiating around the heat dissipating column 8 as a center, a plurality of through holes 10 are disposed inside the heat dissipating column 8, filling cavities 11 connected to the corresponding through holes 10 are disposed inside the heat dissipating fins 9, heat dissipating copper wires connected to the heat dissipating aluminum plate 6 are filled in the through holes 10 and the filling cavities 11, the top of radiator 7 is equipped with heat-conducting plate 12, be equipped with vent 13 on heat-conducting plate 12, the top that holds the intracavity and be located heat-conducting plate 12 of base 4 is equipped with refrigeration semiconductor 14, the top of refrigeration semiconductor 14 is connected with leads cold fin 15, the intracavity portion that holds of base 4 just is located one side of leading cold fin 15 is equipped with a plurality of radiator fan 16, the one end that radiating aluminum plate 6 was kept away from to LED base plate 5 is equipped with LED lamp 17, the inside of housing 3 and be located one side that LED base plate 5 kept away from radiating aluminum plate 6 are equipped with optical lens 18, the periphery that radiating aluminum plate 6 and optical lens 18 were located between LED lamp 17 is equipped with spotlight cover 19, the inside of housing 3 and be located the below of optical lens 18 is equipped with reflector 20, the one end that base 4 was kept away from to housing 3 is equipped with lens 21, on the housing 3 and be located the periphery of lens 21 is equipped with depressed area 22, correspond on the housing 3 the lateral wall axial circumference of depressed area 22 is provided with a plurality of travelers 23, be equipped with on the housing 3 with depressed area 22 assorted regulation sliding sash 24, the inside of adjusting sliding sash 24 is equipped with a plurality of correspondences the cavity 25 of traveller 23, one side of cavity 25 just is close to the left end of depressed area 22 be equipped with the corresponding slide bearing 26 of traveller 23, a plurality of lie in the cavity 25 the top cavity 27 of adjusting sliding sash 24 corresponds the bottom of traveller 23 is equipped with rectangular tooth's socket 28, the inside of adjusting sliding sash 24 is equipped with the intercommunication vertical cavity 29 of top cavity 27, the inside of adjusting sliding sash 24 is equipped with the interlude vertical cavity 29 with the card stop device 30 of top cavity 27, card stop device 30 include with vertical cavity 29 sliding connection's spliced pole 31 with be located the card stop circle 32 of traveller 23 The top of adjusting sliding frame 24 just is located the top of spliced pole 31 is equipped with rubber button 33, spliced pole 31 with the card stops fixed connection between the circle 32, the inner bottom top that the card stopped circle 2 be equipped with the dogtooth 34 of rectangular tooth's socket 28 engaged with, the inner chamber top of vertical cavity 29 be equipped with spliced pole 31 assorted first spring 35, on the spliced pole 31 and be located the inside of head cavity 27 is equipped with to enclose 36, first spring 35 is located the bottom of enclosing 36, the inner chamber bottom of vertical cavity 29 be equipped with the card stops circle 32 fixed connection's elasticity post 37, the inner chamber of vertical cavity 29 just is located the bottom of elasticity post 37 is equipped with second spring 38, the right-hand member embedding of adjusting sliding frame 24 have with the parallel unanimous adjusting lens 39 in lens 21 cross-section.

In practical application, the heat dissipation copper wires filled in the through holes 10 and the filling cavities 11 in the technical scheme can be replaced by heat dissipation silica gel or graphite composite materials, and the heat dissipation silica gel or graphite composite materials have good heat conduction performance and can be matched with the heat dissipation fins 5 to perform rapid heat dissipation.

In addition, in one embodiment, the head lamp 2 is boot-shaped as a whole, and the reflector 20 is positioned below the optical lens 18 and is fixedly installed at a turning region of the lamp housing 3 at an angle of 45 degrees. By adopting the scheme, the light beams emitted by the LED lamp 17 can be well reflected on the lens 21 and then projected out through the lens 21 and the adjusting lens 39.

Additionally, in one embodiment, the length of the adjustment slider 24 is greater than the length of the recessed area 22. By adopting the scheme, the dustproof and waterproof effect can be achieved in the use process of the head lamp 2

In addition, in one embodiment, a power supply box 40 is arranged at the rear part of the headgear 1, a storage battery 41 is arranged in the power supply box 40, and a USB interface 42 connected with the storage battery 41 is arranged on the power supply box 40; a power supply circuit 43 communicated with the power supply box 40 is arranged in the head sleeve 1; the heat dissipation aluminum plate 6 is provided with an opening for connecting a power line, the base 4 is provided with a power line outlet, and the power line passes through the power line outlet and the power line 43 and the storage battery 41. By adopting the scheme, the storage battery 41 can be used conveniently by avoiding the power line connected with the power supply from being wound in the using process of a user, the use is convenient, the USB interface 42 is arranged to be charged when the head lamp 2 is idle, and the subsequent use is convenient

In addition, in one embodiment, a stop is disposed at one end of the slide column 23 near the adjusting lens 39. With this arrangement, the abutting block is provided to prevent the adjustment mirror frame 24 from coming off the slide post 23.

In addition, in one embodiment, the top of the headgear 1 is provided with an adjusting hinge. By adopting the scheme, the arrangement of the adjusting pivot can lead the user to wear more comfortably by adjusting the height of the head sleeve.

In addition, in one embodiment, the head lamp 2 is fixedly connected with the front fixing seat of the head sleeve through a connecting piece inserting screw.

In addition, in one embodiment, the LED substrate 5 is fixedly mounted on the base 4 by screws.

In summary, according to the technical scheme of the invention, the heat-conducting aluminum plate 6 is arranged on the top of the LED substrate 5 at the end of the lampshade 3 close to the base 4, the top of the heat-conducting aluminum plate 6 is connected with the radiator 7, and the heat-conducting copper wires are filled in the through holes 10 in the radiating column 8 and the filling cavities 11 in the radiating fins 9, so that when the headlamp 2 works, the heat of the LED lamp 17 received by the LED substrate 5 is conducted to the columns of the radiating fins 9 through the heat-conducting aluminum plate 6, and the heat is rapidly conducted to the fins through the through holes 10 and the radiating copper wires in the filling cavities 11, thereby achieving the effect of rapid heat radiation; the other end of the radiator 7 is connected with a refrigeration semiconductor 14 through a heat conduction plate 12, a cold guide fin 15 is arranged at the top of the refrigeration semiconductor 14, a plurality of radiating fans 16 are fixedly arranged on the inner wall of the base 4 corresponding to the cold guide fin 15, when the headlamp 2 works, the radiating fan 16 works simultaneously, and cold airflow formed by the radiating fan 16 matching with the cold guide fin 15 is contacted with the radiating fins 9 through the vents 13 on the heat conduction plate 12, so that the heat on the radiating fins 9 is taken away quickly, and the radiating speed is further accelerated; by providing a recessed area 22 and an adjusting slide frame 24 matching with the recessed area 22 at one end of the lampshade 3 far from the base 4, matching with a cavity 25 of the adjusting slide frame 24 and a sliding bearing 26 arranged at one side of the cavity 25 through a plurality of sliding columns 23 on the recessed area 22, matching with an optical lens 18, a reflector 20 and a lens 21 in the headlamp 2 through adjusting an adjusting lens 39 on the adjusting slide frame 24, a user can adjust the light-gathering distance of a light beam by rotating the adjusting slide frame 24, and by arranging a top cavity 27, a longitudinal cavity 29 and an internal locking device 30 in the adjusting slide frame 24, when the light-gathering distance needs to be adjusted, the user can press a rubber button 33, then a convex tooth 34 at the bottom of an inner bottom of a locking ring 32 in the locking device 30 is far away from a strip-shaped tooth groove 28 engaged with the convex tooth 34, and then adjust the adjusting slide frame 24, when the light beam is adjusted to a desired light-gathering distance, the long-strip tooth socket 28 is meshed with the convex tooth 34, so that the purposes of clamping, stopping, adjusting and sliding 24 are achieved, and the use is convenient; the invention has good heat dissipation structure, is suitable for various medical fields, and has wide application.

According to the invention, the power supply circuit 43 and the power supply box 40 connected with the power supply circuit 43 are arranged in the head cover 1, so that accidental damage caused by the power supply line being exposed outside can be avoided; meanwhile, the storage battery 41 in the power box 40 is connected through the power line, so that the trouble caused by winding of the power line for connecting the power supply when the headlamp 2 is used can be avoided, and the use is more convenient.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a medical head lamp, includes headgear (1) and sets up headlight (2) in the front portion of headgear (1), its characterized in that, headlight (2) include housing (3) and through screw with housing (3) fixed connection's base (4), housing (3) are close to the inside fixed LED base plate (5) that is equipped with of one end of base (4), the top of LED base plate (5) is connected with heat dissipation aluminum plate (6), the top that holds intracavity portion and be located heat dissipation aluminum plate (6) of base (4) is connected with radiator (7), radiator (7) include the heat dissipation post (8) at middle part and follow heat dissipation post (8) are center to radial radiating fin (9) all around, the inside of heat dissipation post (8) is equipped with a plurality of through-holes (10), the inside of fin (9) is equipped with the packing chamber (11) of being connected with corresponding through-hole (10), through-hole (10) with the inside packing of packing chamber (11) have with the heat dissipation copper wire that heat dissipation aluminum plate (6) are connected, the top of radiator (7) is equipped with heat-conducting plate (12), be equipped with vent (13) on heat-conducting plate (12), the intracavity that holds of base (4) just is located the top of heat-conducting plate (12) is equipped with refrigeration semiconductor (14), the top of refrigeration semiconductor (14) is connected with leads cold fin (15), the intracavity portion that holds of base (4) just is located lead one side of cold fin (15) and is equipped with a plurality of radiator fan (16), keep away from LED base plate (5) the one end of heat dissipation aluminum plate (6) is equipped with LED lamp (17), the inside of housing (3) just is located LED base plate (5) are kept away from one side of heat dissipation aluminum plate (6) is equipped with optical lens (18), heat dissipation aluminum plate (6) with between optical lens (18) and be located the periphery of LED lamp (17) is established There is spotlight cover (19), the inside of housing (3) just is located the below of optical lens (18) is equipped with reflector (20), housing (3) are kept away from the one end of base (4) is equipped with lens (21), on housing (3) and be located the periphery of lens (21) is equipped with depressed area (22), correspond on housing (3) the lateral wall axial circumference of depressed area (22) is provided with a plurality of travellers (23), be equipped with on housing (3) with depressed area (22) assorted regulation sliding sash (24), the inside of adjusting sliding sash (24) is equipped with a plurality of correspondences cavity (25) of traveller (23), one side of cavity (25) just is close to the left end of depressed area (22) be equipped with the corresponding slide bearing (26) of traveller (23), a plurality of lie in cavity (25) be located the top cavity (27) of adjusting traveller (24) correspond the bottom of traveller (23) is equipped with the length A strip tooth groove (28), a longitudinal cavity (29) communicated with the top cavity (27) is arranged in the adjusting sliding frame (24), a clamping and stopping device (30) penetrating through the longitudinal cavity (29) and the top cavity (27) is arranged in the adjusting sliding frame (24), the clamping and stopping device (30) comprises a connecting column (31) in sliding connection with the longitudinal cavity (29) and a clamping and stopping ring (32) located on the outer ring of the sliding column (23), a rubber button (33) is arranged at the top of the adjusting sliding frame (24) and at the top of the connecting column (31), the connecting column (31) and the clamping and stopping ring (32) are fixedly connected, a convex tooth (34) meshed with the strip tooth groove (28) is arranged at the top of the inner bottom of the clamping and stopping ring (2), a first spring (35) matched with the connecting column (31) is arranged at the top of the inner cavity of the longitudinal cavity (29), a supporting ring (36) is arranged on the connecting column (31) and positioned in the top cavity (27), the first spring (35) is positioned at the bottom of the supporting ring (36), an elastic column (37) fixedly connected with the clamping ring (32) is arranged at the bottom of an inner cavity of the longitudinal cavity (29), a second spring (38) is arranged at the bottom of the elastic column (37) and positioned in the inner cavity of the longitudinal cavity (29), an adjusting lens (39) which is parallel and consistent with the section of the lens (21) is embedded at the right end of the adjusting sliding frame (24), the head lamp (2) is integrally in a boot shape, the reflector (20) is positioned below the optical lens (18) and fixedly arranged in a turning region of the lampshade (3) at an angle of 45 degrees, the length of the adjusting sliding frame (24) is greater than that of the concave region (22), a power supply box (40) is arranged at the rear part of the head cover (1), a storage battery (41) is arranged in the power supply box (40), a USB interface (42) connected with the storage battery (41) is arranged on the power supply box (40), and a power supply circuit (43) communicated with the power supply box (40) is arranged in the headgear (1);

the heat conducting aluminum plate (6) is arranged at the top of the LED substrate (5) at one end, close to the base (4), of the lampshade (3), the heat radiator (7) is connected to the top of the heat conducting aluminum plate (6), and the heat conducting copper wires are filled in the through holes (10) in the heat radiating columns (8) and the filling cavities (11) in the heat radiating fins (9), when the headlamp (2) works, the heat of the LED lamp (17) received by the LED substrate (5) is conducted to the columns of the heat radiating fins (9) through the heat radiating aluminum plate (6), and the heat is rapidly conducted to the fins through the through holes (10) and the heat radiating copper wires in the filling cavities (11), so that the rapid heat radiating effect is achieved; the other end of the radiator (7) is connected with the refrigeration semiconductor (14) through the heat conducting plate (12), the cold guide fins (15) are arranged at the top of the refrigeration semiconductor (14), a plurality of radiating fans (16) are fixedly installed on the inner wall of the base (4) corresponding to the cold guide fins (15), when the headlamp (2) works, the radiating fans (16) work simultaneously, cold air flow formed by the radiating fans (16) matching with the cold guide fins (15) is in contact with the radiating fins (9) through the ventilation openings (13) in the heat conducting plate (12), so that heat on the radiating fins (9) is taken away quickly, and the radiating speed is further accelerated; by arranging a depressed area (22) and an adjusting sliding frame (24) matched with the depressed area (22) at one end of a lampshade (3) far away from a base (4), matching a cavity (25) of the adjusting sliding frame (24) and a sliding bearing (26) arranged at one side of the cavity (25) through a plurality of sliding columns (23) on the depressed area (22), matching an optical lens (18), a reflector (20) and a lens (21) in a headlamp (2) through adjusting an adjusting lens (39) on the adjusting sliding frame (24), a user can adjust the light condensation distance of a light beam by rotating the adjusting sliding frame (24), and when the light condensation distance needs to be adjusted by arranging a top cavity (27), a longitudinal cavity (29) and an internal clamping and stopping device (30) in the adjusting sliding frame (24), the user can press a rubber button (33) and then keep convex teeth (34) at the bottom of an inner bottom of a clamping and stopping ring (32) in the clamping and stopping device (30) away from a strip-shaped tooth socket (28) meshed with the top cavity, and then the adjusting sliding frame (24) is adjusted, when the light beam is adjusted to the ideal light-gathering distance, the rubber button (33) is loosened, the long-strip tooth groove (28) is meshed with the convex tooth (34), the purpose of clamping and stopping the adjusting sliding frame (24) is achieved, and the use is convenient.

2. A medical headlight as claimed in claim 1, wherein the heat-dissipating aluminium plate (6) is provided with an opening for connection to a power supply line, and the base (4) is provided with a power supply line outlet through which a power supply line passes and is connected to the battery (41) through the power supply line (43).

3. A medical headlight according to claim 1, wherein an end of the slide post (23) near the adjusting lens (39) is provided with a stop.

4. The medical headlight as claimed in claim 1, wherein the top of the headgear (1) is provided with an adjustment hinge.

5. The medical head lamp as claimed in claim 1, wherein the head lamp (2) is fixedly connected with the front fixing seat of the head cover (1) by a connecting piece inserted screw.

6. A medical headlight according to claim 1, wherein the LED substrate (5) is fixedly mounted on the base (4) by means of screws.