CN210624415U

CN210624415U - LED headlight that agricultural machine used

Info

Publication number: CN210624415U
Application number: CN201921479857.0U
Authority: CN
Inventors: 陈旭
Original assignee: Jiangsu Yiming Photoelectric Co Ltd
Current assignee: Jiangsu Yiming Photoelectric Co Ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-05-26
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a LED headlight that agricultural machine used, include the backup pad that installs fixed installation base and be used for supporting with agricultural machine, four edges of installation base all set up threaded hole, all through set screw and aircraft nose fixed connection in four threaded holes, the surperficial both sides side of installation base all supports and is equipped with the backup pad, the utility model relates to a LED headlight that agricultural machine used, through the lamp stand that is equipped with, LED wick, LED lamp plate and lamp house convenience trun into the electric energy into the light emitting source, overall structure is horizontal cylindric, compares single light irradiation area and irradiation strength and all has showing the improvement, irradiation area's expansion so that the user of service enlarges observable scope when the operation at night.

Description

LED headlight that agricultural machine used

Technical Field

The utility model relates to a LED headlight, in particular to LED headlight that agricultural machine used.

Background

The LED headlamps are automobile headlamps, and the headlamp is an illuminating lamp which is used for distinguishing a front view field when the automobile runs at night and is symmetrically arranged on two sides of the front end of the automobile. The LED is an electroluminescent device, which uses a solid semiconductor chip as a light emitting material, and directly emits light by photon emission caused by recombination of carriers. The LED headlight is a lighting fixture manufactured by using an LED as a light source.

1) The existing agricultural LED has the defects of insufficient power, insufficient irradiation range caused by few lampwick luminous sources and inconvenience for timely observation of remote obstacles by users when operating agricultural machinery;

2) the existing illuminating lamp is low in heat dissipation performance due to the fact that too many lamp wicks are added, and mutual balance between temperature and power cannot be achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED headlight that agricultural machine used to solve the current for the agricultural LED power undersize that proposes in the above-mentioned background art, the wick light emitting source leads to irradiation range not enough less, the user of being not convenient for problem to the timely observation of long-range barrier when operating agricultural machine.

In order to achieve the above object, the utility model provides a following technical scheme: the LED headlamp used for the agricultural machinery comprises an installation base fixedly installed with the agricultural machinery and a supporting plate used for supporting, wherein threaded holes are formed in four corners of the installation base, the four threaded holes are fixedly connected with a machine head through fixing screws, and the supporting plate is supported and arranged on two sides of the surface of the installation base;

the LED lamp comprises two supporting plates, wherein damping pin shafts are embedded in the surfaces of the side walls of the end heads of the two supporting plates, the surfaces of the damping pin shafts are connected with an external shell through two supporting pipe sleeves which are sleeved, the external shell is cylindrical, an arc-shaped groove body used for illumination is formed in the front surface of the external shell, an illuminating mechanism is fixedly embedded in the arc-shaped groove body and comprises an LED lamp plate, a lamp box and a lamp holder, the lamp box is integrally installed on the back surface of the LED lamp plate, constant-voltage constant-current driving and wiring are arranged in the lamp box, a plurality of circular through holes are formed in the front surface of the LED lamp plate, the lamp holder is embedded in the circular through holes, a plurality of LED lamp wicks are soldered on the surface of the lamp holder, and the LED; the heat dissipation device comprises an outer shell, a heat conduction piece and a heat source, wherein the outer shell is arranged on the outer shell, the heat conduction piece is arranged on the outer shell, the heat source is arranged on the heat conduction piece, the heat source is arranged on the outer shell, the back middle part of the outer shell is provided with a slot, a fin radiator for heat dissipation is arranged in the.

As an optimal technical scheme of the utility model, fin radiator's whole length is less than the fluting and offers length, and fin radiator's heat dissipation end surpasss the back of the body surface of outside casing, fin radiator and fluting erection joint department are fixed through sealing rubber bonding.

As a preferred technical scheme of the utility model, the lateral wall surface connection of outside casing is equipped with power supply plug, lamp stand, LED wick and LED lamp plate all with constant voltage constant current drive electric connection, constant voltage constant current drive passes through internal wiring and power supply plug electric connection.

As an optimal technical scheme of the utility model, the surface cover of arc cell body is equipped with waterproof lamp shade, waterproof lamp shade's outer wall surface is equipped with the decorative pattern line.

As an optimized technical scheme of the utility model, the die-pin is installed to the end department of fin radiator, it is equipped with a plurality of support brackets to connect between the die-pin.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) the electric energy is conveniently converted into the luminous source through the lamp holder, the LED lamp wick, the LED lamp panel and the lamp box, the whole structure is in a transverse cylindrical shape, compared with a single illuminating lamp, the illuminating area and the illuminating intensity are obviously improved, and the illuminating area is enlarged so that the observable range can be enlarged when a user works at night;

2) the device is conveniently in threaded support installation with agricultural machinery through installation base, screw hole and the backup pad that is equipped with, and the damping round pin axle that is equipped with conveniently adjusts the distance of illumination distance, and the fin radiator that is equipped with, heat conduction silica gel, conducting strip and constant voltage constant current drive conveniently pass through heat conduction silica gel, the leading-in to fin radiator department of a large amount of electron high temperature to realize thermal output through the fin radiator, avoid high temperature to the illumination service voltage to produce the influence.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal surface structure of the present invention;

fig. 3 is a schematic view of the back structure of the present invention.

In the figure: 1. installing a base; 2. a threaded hole; 3. an arc-shaped groove body; 4. a support sleeve; 5. a support plate; 6. a lamp socket; 7. a support rod; 8. an outer housing; 9. a waterproof lampshade; 10. a support bracket; 11. a damping pin shaft; 12. a light box; 13. grooving; 14. an LED lamp panel; 15. a power supply plug; 16. a fin 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.

Referring to fig. 1-3, the utility model provides a LED headlight for agricultural machinery, which comprises an installation base 1 fixedly installed with the agricultural machinery and a support plate 5 for supporting, wherein four corners of the installation base 1 are respectively provided with a threaded hole 2, the four threaded holes 2 are respectively fixedly connected with a machine head through fixing screws, and the support plate 5 is supported on two sides of the surface of the installation base 1;

the damping pin shafts 11 are embedded in the surfaces of the side walls of the end heads of the two supporting plates 5, the surfaces of the damping pin shafts 11 are connected with an external shell 8 through two supporting pipe sleeves 4 which are sleeved, the external shell 8 is cylindrical, an arc-shaped groove body 3 used for illumination is formed in the front surface of the external shell 8, an illuminating mechanism is fixedly embedded in the arc-shaped groove body 3 and comprises an LED lamp panel 14, the lamp box 12 and a lamp holder 6, the lamp box 12 is integrally installed on the back surface of the LED lamp panel 14, constant-voltage constant-current driving and wiring are arranged in the lamp box 12, a plurality of circular through holes are formed in the front surface of the LED lamp panel 14, the lamp holder 6 is embedded in the circular through holes, a plurality of LED lamp wicks are soldered on the surface of the lamp holder 6, and the LED; the middle of the back of the external shell 8 is provided with a slot 13, a fin radiator 16 for heat dissipation is arranged in the slot 13, and a heat conducting fin of the fin radiator 16 is bonded and fixed with a heating source through heat conducting silica gel.

Preferably, the whole length of the fin radiator 16 is less than the opening length of the slot 13, the radiating end of the fin radiator 16 exceeds the back surface of the external shell 8, and the installation joint of the fin radiator 16 and the slot 13 is fixed by bonding through sealing rubber, so as to avoid the infiltration of water from the outside.

Preferably, the lateral wall surface connection of outside casing 8 is equipped with power supply plug 15, and lamp stand 6, LED wick and LED lamp plate 14 all with constant voltage constant current drive electric connection, constant voltage constant current drive pass through internal connection and power supply plug 15 electric connection, conveniently supply power to each LED wick, improve the stability of power supply in-process.

Preferably, the surface cover of arc cell body 3 is equipped with waterproof lamp shade 9, and the outer wall surface of waterproof lamp shade 9 is equipped with the decorative pattern line, improves light scattering efficiency, enlarges the irradiation range, avoids producing spotlight after shining in a distance.

Preferably, the ends of the fin radiators 16 are provided with support rods 7, and a plurality of support brackets 10 are connected between the support rods 7, so that the fin radiators 16 can be supported conveniently.

When the LED headlamp is used, a user firstly installs the device on the agricultural machine (taking an agricultural harvester as an example) during the specific installation process, the user places the whole device on the head cover and carries out threaded installation with the four threaded holes 2 through tightening bolts in order to find the head of the agricultural harvester, thereby realizing fixation, it should be noted that the end provided with the waterproof lamp shade 9 is arranged right in front, then the whole outer shell 8 is rotated by adjusting the damping pin shaft 11, so that the light irradiation direction is adjusted, so as to find a proper irradiation angle, finally find the power supply plug 15 to be connected with the light power supply and control circuit of the agricultural harvester, then starting the agricultural harvester, turning on a light switch, and ensuring that the whole LED headlamp can be electrified and turned on.

During specific use, when the user reaps the operation at night, the light switch can be opened, the device is powered on through the power supply storage battery inside the harvester, and the specific power-on process is: the current is connected to the constant voltage and constant current driving part along the wiring direction through the power supply plug 15, the voltage stabilization and the enhancement of the current can be carried out, then the LED lamp panel 14 is electrified, a plurality of LED lamp wicks arranged on a surface lamp holder 6 are simultaneously electrified to emit light to illuminate the road condition in front, the irradiation range and the irradiation area are enlarged due to the columnar structure of the whole body, and the heating value of the electronic terminal is increased along with the enlargement of the irradiation intensity and the irradiation area, in order to ensure the stability of the operation of the whole body, the whole heating source is connected with the heat-conducting fin through the heat-conducting silica gel, and the heat conducting sheet is conducted to a plurality of fin radiators 16, and finally the heat is led out from the tail ends of the long-strip fin radiators 16, in order to ensure the stability of the whole circuit operation, it should be noted that the installation place of the fin radiator 16 and the slot 13 is a combined waterproof lampshade 9 fixed by sealing rubber bonding so as to prevent the infiltration of a large amount of rain water in rainy days.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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.

Claims

1. The LED headlamp for the agricultural machinery comprises an installation base (1) fixedly installed with the agricultural machinery and a supporting plate (5) used for supporting, and is characterized in that threaded holes (2) are formed in four corners of the installation base (1), the four threaded holes (2) are fixedly connected with a machine head through fixing screws, and the supporting plate (5) is supported on two sides of the surface of the installation base (1); damping pin shafts (11) are respectively embedded and arranged on the surfaces of the side walls of the end heads of the two supporting plates (5), the surfaces of the damping pin shafts (11) are respectively connected with an outer shell (8) through two supporting pipe sleeves (4) which are sleeved, the outer shell (8) is cylindrical, the front surface of the outer shell is provided with an arc-shaped groove body (3) for illumination, an illuminating mechanism is fixedly embedded and arranged in the arc-shaped groove body (3), the illuminating mechanism comprises an LED lamp panel (14), a lamp box (12) and a lamp holder (6), the back surface of the LED lamp panel (14) is integrally provided with the lamp box (12), constant-pressure constant-current driving and wiring are arranged in the lamp box (12), the front surface of the LED lamp panel (14) is provided with a plurality of circular through holes, the lamp holder (6) is embedded and arranged in the plurality of circular through holes, and a plurality of LED lamp, the LED lamp panel (14) and the lamp box (12) are embedded and installed in the arc-shaped groove body; the heat dissipation device is characterized in that a slot (13) is formed in the middle of the back of the outer shell (8), a fin radiator (16) used for heat dissipation is placed inside the slot (13), and a heat conducting fin of the fin radiator (16) is fixedly bonded with a heating source through heat conducting silica gel.

2. The LED headlight for an agricultural machine of claim 1, wherein: the whole length of the fin radiator (16) is smaller than the opening length of the slot (13), the radiating end of the fin radiator (16) exceeds the back surface of the outer shell (8), and the mounting connection part of the fin radiator (16) and the slot (13) is fixed through sealing rubber in an adhering mode.

3. The LED headlight for an agricultural machine of claim 1, wherein: the LED lamp is characterized in that a power supply plug (15) is connected to the surface of the side wall of the outer shell (8), the lamp holder (6), the LED lamp wick and the LED lamp panel (14) are electrically connected with a constant-voltage constant-current driver, and the constant-voltage constant-current driver is electrically connected with the power supply plug (15) through an internal wiring.

4. The LED headlight for an agricultural machine of claim 1, wherein: the surface cover of arc cell body (3) is equipped with waterproof lamp shade (9), the outer wall surface of waterproof lamp shade (9) is equipped with the decorative pattern line.

5. The LED headlight for an agricultural machine of claim 1, wherein: support rods (7) are installed at the ends of the fin radiators (16), and a plurality of support brackets (10) are connected between the support rods (7).