CN215929295U

CN215929295U - LED work light capable of emitting light uniformly

Info

Publication number: CN215929295U
Application number: CN202121855293.3U
Authority: CN
Inventors: 梅志洪; 周连凤
Original assignee: Foshan Jieliwei Metal Products Co ltd
Current assignee: Foshan Jieliwei Metal Products Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-03-01
Anticipated expiration: 2031-08-09

Abstract

The utility model relates to the technical field of LED illumination, in particular to an LED working lamp capable of emitting light uniformly, which comprises a lamp shell, a clamping groove, a circuit board, a reflecting cup, a light-transmitting plate and an LED light source, wherein the clamping groove, the circuit board, the reflecting cup, the light-transmitting plate and the LED light source are accommodated in the lamp shell; the lamp shell comprises a through groove which is vertically communicated, openings at two ends of the through groove are respectively a first opening and a second opening, the position of the first opening is provided with the clamping groove, and the opening of the clamping groove faces the second opening; the circuit board is arranged on the bottom surface of the opening of the clamping groove, and the LED light source is arranged on the circuit board so that the circuit board is used for driving and lighting the LED light source; the reflecting cup is arranged on the circuit board, and the opening of the reflecting cup covers the LED light source to prevent the light emitted by the LED light source from overflowing and scattering; the light-transmitting plate is arranged on the position of the second opening. The LED working lamp uses the LED lamp to replace the original incandescent lamp, and can effectively avoid the overflow and diffusion phenomenon.

Description

LED work light capable of emitting light uniformly

Technical Field

The utility model relates to the technical field of LED illumination, in particular to an LED working lamp capable of emitting light uniformly.

Background

The LED lamp has the advantages of energy saving, power saving, high efficiency, fast reaction time, long life cycle, no mercury, environmental protection, etc., is widely used in the lighting and display industry, and becomes one of the most spotlighted products in recent years. To make the lamp effect of LED lamp even, LED lamp structural PCB board, light guide plate, diffusion sheet have need to be welded, and it is more to relate to the part, and material management is difficult, and is with high costs, and the structure equipment is complicated. With the development of the LED lamp technology and the mature PCB processing technology, the structure of the PCB in the LED lamp tends to be fixed, and even if the structure of the PCB is subjected to customized design, the cost is less affected.

However, the LED lamp is not related in the field of working lamps, most of the working lamps in the existing market are original incandescent lamps, the power loss is large, and the use cost is high; the lamp has short service life and needs to be replaced frequently; the overflow and scattering light is serious, and the use personnel are dizzy and have the phenomenon of 'black holes' in the use process.

Therefore, there is a need to provide a new work light that uses existing LED lights and avoids spill light.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Aiming at the defects in the prior art, the utility model provides the LED working lamp capable of emitting light uniformly, the LED lamp is used for replacing the original incandescent lamp, and the LED working lamp can effectively avoid the phenomenon of light overflow and scattering, so that the dazzling of users in the using process is avoided, and the error rate of work is reduced.

Technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a uniformly luminous LED working lamp, which comprises a lamp shell, a clamping groove, a circuit board, a reflecting cup, a light-transmitting plate and an LED light source, wherein the clamping groove, the circuit board, the reflecting cup, the light-transmitting plate and the LED light source are accommodated in the lamp shell;

the lamp shell comprises a through groove which is vertically communicated, openings at two ends of the through groove are respectively a first opening and a second opening, the position of the first opening is provided with the clamping groove, and the opening of the clamping groove faces the second opening; the circuit board is arranged on the bottom surface of the opening of the clamping groove, and the LED light source is arranged on the circuit board so that the circuit board is used for driving and lighting the LED light source; the light reflecting cup is arranged on the circuit board, the opening of the light reflecting cup covers the LED light source, and the light reflecting cup and the side wall of the clamping groove are used for preventing the light emitted by the LED light source from overflowing and scattering; the light-transmitting plate is arranged on the position of the second opening.

Furthermore, the through opening side wall of the reflection cup comprises a vertical section and a bell mouth section, so that when the reflection cup is installed on the circuit board, the vertical section is in contact with the circuit board and is perpendicular to the circuit board, and the flared opening of the bell mouth section faces outwards.

Further, still include the radiator, the radiator sets up in the position of first opening, be provided with on the radiator the draw-in groove, the radiator is used for the circuit board with the heat dissipation of LED light source.

The lamp body is provided with a first opening, the lamp body is provided with a lamp hole, the lamp hole is communicated with the first opening, the lamp hole is communicated with the lamp hole, and the lamp hole is communicated with the lamp hole.

Furthermore, the fixed pressing sheet is detachably connected with the lamp shell.

Furthermore, the fixing pressing sheet and the lamp shell are fixed through a fixing screw.

Furthermore, the reflecting cup adopts nano PET as a base material and is manufactured by adopting plastic suction or hot pressing integrated 3D forming.

Further, the LED work lamp further comprises a base and a supporting hose, one end of the supporting hose is fixed to the lamp shell, the other end of the supporting hose is fixed to the base, and the base is used for placing the LED work lamp.

Further, a switch is arranged on the base, the supporting hose is used for wrapping an electric wire, one end of the electric wire is connected with the switch, the other end of the electric wire is connected with the circuit board, and the switch is used for turning on or off the LED light source.

Further, the LED light source is heated by solder paste and then soldered to the circuit board.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects: the utility model provides an LED working lamp capable of emitting light uniformly, wherein when an LED light source works, the angle of light emitted by the LED light source is 120 degrees, and the light penetrates through a light-transmitting plate according to a designed angle after being reflected by a light-reflecting cup and then irradiates the position of a required workpiece to be processed; the clamping groove for fixing the light reflecting cup and the light reflecting cup perform collection control on the overflow scattering light generated in the light reflecting process of the light source, so that the waste and the loss of light are reduced, the effective utilization rate of the whole lamp is improved, and the glare value caused by the overflow scattering light is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is an exploded view of an LED work lamp with uniform light emission according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of an LED working lamp capable of emitting light uniformly according to an embodiment of the present invention;

fig. 3 is another schematic perspective view of an LED working lamp with uniform light emission according to an embodiment of the present invention;

fig. 4 is a schematic view of light irradiation of an LED working lamp with uniform light emission according to an embodiment of the present invention.

Fig. 5 is a schematic view of a reflector cup of an LED working lamp capable of emitting light uniformly according to an embodiment of the present invention.

Fig. 6 is a schematic view of light reflected by a reflector cup of an LED working lamp capable of emitting light uniformly according to an embodiment of the present invention.

Wherein the reference numerals are as follows:

10-a lamp housing, 11-a first opening, 12-a second opening, 20-a heat sink, 21-a card slot, 30-a circuit board, 31-an LED light source, 40-a reflective cup, 41-a vertical section, 42-a bell mouth section, 50-a light-transmitting plate, 60-a fixed pressing sheet, 70-a fixed screw, 80-a supporting hose, 90-a base, 91-a switch and 100-a processing workpiece.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Referring to fig. 1 to 3, an embodiment of the present invention provides an LED working lamp capable of emitting light uniformly, including a lamp housing 10, and a card slot 21, a circuit board 30, a reflective cup 40, a transparent plate 50 and an LED light source 31 accommodated therein; referring to fig. 1, the lamp housing 10 is an O-shaped housing, and includes a through groove, a first opening 11 and a second opening 12 are respectively disposed at two ends of the through groove, and the first opening 11 is used for disposing a light emitting element. As shown in fig. 1, a card slot 21 is disposed at the position of the first opening 11, and the opening of the card slot 21 faces the second opening 12; the circuit board 30 is disposed on the bottom surface of the opening of the card slot 21, and the LED light source 31 is disposed on the circuit board 30, so that the circuit board 30 is used for driving the LED light source 31 to be turned on, and light emitted by the LED light source 31 to be turned on passes through the through slot and is emitted from the second opening 12. The reflection cup 40 is arranged on the circuit board 30, the reflection cup 40 can be fixed through two side walls in the groove of the clamping groove 21, the opening of the reflection cup 40 covers the LED light source 31, so that light emitted by the LED light source 31 is prevented from overflowing and scattering, and the two side walls in the groove of the clamping groove 21 can also play a role in preventing overflowing and scattering together with the reflection cup 40. The transparent plate 50 is disposed at the position of the second opening 12, and the light emitted from the illuminated LED light source 31 will pass through the through slot and exit from the transparent plate 50 of the second opening 12.

In specific implementation, referring to fig. 4, when the LED light source 31 works, the angle of the light emitted by the LED light source 31 is 120 degrees, but the angle is not limited, and the light is reflected by the reflective cup 40, penetrates through the light-transmitting plate 50 according to a designed angle, and then irradiates the position of the workpiece 100 to be processed; the clamping groove 21 for fixing the light reflecting cup 40 and the light reflecting cup 40 per se can effectively collect and control the excessive light generated in the light reflecting process of the light reflecting cup 40, thereby reducing the light waste and loss, improving the effective utilization rate of the whole lamp and simultaneously reducing the glare value caused by the excessive light.

In the present embodiment, referring to fig. 5 and 6, the reflector 40 includes a vertical section 41 and a flared section 42, the reflector 40 is mounted on the circuit board 30 through the vertical section 41, and after mounting, the vertical section 41 is perpendicular to the surface of the current board 30, the flared section 42 is connected to the vertical section 41, and the flared section 42 is outward. In specific implementation, as shown in fig. 6, the light of the LED light source 31 enters the vertical section 41 at a certain angle with the vertical section 41, and then enters the bell-mouth section 42 after being reflected by the vertical section 41, and then is diffusely reflected by the bell-mouth section 42, so as to enhance the intensity of the light.

In the present embodiment, referring to fig. 1 and fig. 2, in order to better perform heat dissipation of the circuit board 30 and the LED light source 31, the LED work lamp provided in the present embodiment that emits light uniformly further includes a heat sink 20, and the card slot 21 and the heat sink 20 are integrally disposed. As shown in fig. 1, the heat sink 20 is disposed at the position of the first opening 11, a card slot 21 is disposed on the heat sink 20, and the heat sink 20 is in contact with the outside through heat dissipation holes to dissipate heat of the circuit board 30 and the LED light source 31, so as to protect the LED work light emitting uniformly.

In this embodiment, in order to better fix the heat sink 20, referring to fig. 1 and fig. 2, the LED working lamp with uniform light emission provided in this embodiment further includes a fixing pressing sheet 60, the fixing pressing sheet 60 is disposed at the first opening 11 and fixed with the lamp housing 10, the heat sink 20 is disposed on the fixing pressing sheet 60, the fixing pressing sheet 60 can firmly fix the heat sink 20 at the position of the first opening 11, and the number of the fixing pressing sheets 60 is generally plural, as shown in fig. 1, the number of the fixing pressing sheets 60 is two, and two ends of the heat sink 20 are respectively fixed to the lamp housing 10, so that the heat dissipation holes of the heat sink 20 are kept unobstructed from the outside air, and the work of the heat sink 20 is not affected. In addition, in order to facilitate the detachment and further facilitate the maintenance and replacement of the heat sink 20, the fixing pressing piece 60 and the lamp housing 10 are generally detachably connected, and the detachable connection may be implemented in many ways, for example, as shown in fig. 1, the fixing pressing piece 60 and the lamp housing 10 are fixed by a fixing screw 70.

In the embodiment, the reflective cup 40 generally adopts nano-scale PET as a base material, and is integrally formed by plastic suction or hot pressing in a 3D manner, so that the reflective cup 40 has excellent light reflectivity and diffuse reflectivity, and can effectively and faithfully reflect and restore the light color quality of the light source. The light source is made of a high-reflection diffusion and reflection comprehensive material, redundant overflow light emitted by the light source irradiates the inner surface of the light-emitting cup 40, and the high-reflection inner surface diffuses light to form a diffuse reflection phenomenon, so that the light is infinitely close to surface emission from an initial point and line emission state to form a surface light-emitting state; and then the surface light is irradiated on the irradiated object, so that the surface brightness of the irradiated object is uniform, and the phenomenon that the human eye fatigue is easily caused due to the uneven brightness of the surface of the irradiated object is further reduced.

In this embodiment, aiming at the defects that the existing LED working lamp cannot adjust the angle, has poor flexibility and is limited in application range, as shown in fig. 1, the LED working lamp uniformly emitting light provided by this embodiment further includes a base 90 and a supporting hose 80, the supporting hose 80 can be used to adjust the angle and height of the lamp housing 10, one end of the supporting hose 80 is fixed on the lamp housing 10, the other end of the supporting hose is fixed on the base 90, and the base 90 is used to place the LED working lamp. During assembly, after the head of the support hose 80 is embedded into the boss of the lamp housing 10, the support hose 80 is locked and fixed in the lamp housing 10 through a nut; the heat sink 20 is directly embedded into the cavity of the lamp housing 10, after the connection between the circuit board 30 and the heat sink 20 and the connection between the support hoses 80 are completed, the front and rear fixing pressing plates 50 are aligned with the screw holes, and the heat sink 20 and the lamp housing 10 are fixed by the fixing screws 70. And, a switch 91 is arranged on the base 90, the supporting hose 80 is used for wrapping an electric wire, one end of the electric wire is connected with the switch 91, the other end of the electric wire is connected with a circuit of the circuit board 30, and the switch 91 is used for turning on or off the LED light source 31.

In this embodiment, the circuit board 30 is typically a PCBA, and the LED light sources 31 are heated by solder paste and then soldered to the circuit board 30. The LED light source 31 is fixed by being heated by solder paste and then welded on the circuit board 30, so that the LED light source 31 is fully contacted with the circuit board 30, and heat generated by the LED light source 31 during operation can be rapidly transferred to the circuit board 30; after the LED light source 31 and the circuit board 30 are welded, the heat-conducting silicone grease is coated on the LED light source 31 and the circuit board 30, and then the LED light source is inserted into the slot 21 of the heat sink 20 to be tightly attached to the smooth surface of the heat sink 20, so that the heat sink 20 can sufficiently dissipate heat between the LED light source 31 and the circuit board 30. The reflection cup 40 is fixed by inserting the two sides of the reflection cup 40 into the slot 21 of the heat sink 20, so that the reflection cup 40 is directly pressed on the surface of the circuit board 30, thereby achieving the effect of fixing the reflection cup 40.

The utility model has the advantages that the clamping groove 21 for fixing the reflecting cup 40 and the reflecting cup 40 collect and control the overflow light generated in the process of reflecting the light of the light source, thereby reducing the waste and the loss of the light, improving the effective utilization rate of the whole lamp, and reducing the glare value caused by the overflow light; furthermore, the reflective cup 40 generally adopts nano-scale PET as a base material, and is formed by plastic suction or hot pressing integrated 3D, so that the reflective cup 40 has excellent light reflectivity and diffuse reflectivity; further, aiming at the defects that the existing LED working lamp cannot adjust the angle, has poor flexibility and is limited in application range, the LED working lamp capable of emitting light uniformly provided by the utility model further comprises a base 90 and a supporting hose 80, wherein the supporting hose 80 can be used for adjusting the angle and the height of the lamp shell 10; still further, in order to better perform heat dissipation of the circuit board 30 and the LED light source 31, the LED working lamp capable of emitting light uniformly provided by the present invention further includes a heat sink 20; finally, the LED light source 31 is fixed by soldering the LED light source 31 to the circuit board 30 after being heated by the solder paste, so that the LED light source 31 is in full contact with the circuit board 30, and the heat generated by the LED light source 31 during operation can be rapidly transferred to the circuit board 30 and dissipated by the heat sink 20.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

Claims

1. An LED working lamp capable of emitting light uniformly is characterized by comprising a lamp shell, a clamping groove, a circuit board, a reflecting cup, a light-transmitting plate and an LED light source, wherein the clamping groove, the circuit board, the reflecting cup, the light-transmitting plate and the LED light source are accommodated in the lamp shell;

2. The uniformly emitting LED worklight of claim 1, wherein the through-opening sidewall of the reflector cup includes a vertical section and a flared section, such that when the reflector cup is mounted on the circuit board, the vertical section is in contact with and perpendicular to the circuit board and the flared section is outwardly flared.

3. The LED work lamp of claim 1, further comprising a heat sink disposed at the position of the first opening, wherein the heat sink is provided with the slot, and the heat sink is used for heat dissipation of the circuit board and the LED light source.

4. The LED work lamp of claim 1, further comprising a fixing pressing sheet, wherein the fixing pressing sheet is disposed at the first opening and fixed with the lamp housing, the heat sink is disposed on the fixing pressing sheet, and the heat dissipation holes of the heat sink are unobstructed with the outside air.

5. The LED work lamp of claim 4, wherein the fixing press plate is detachably connected with the lamp housing.

6. The LED work lamp with uniform light emission according to claim 5, wherein the fixing pressing sheet is fixed with the lamp housing by means of a fixing screw.

7. The LED working lamp with uniform light emission according to claim 1, wherein the reflector cup is made of nano-scale PET as a base material and is formed by plastic suction or hot-pressing integrated 3D molding.

8. The LED work lamp with uniform light emission according to claim 1, further comprising a base and a support hose, wherein one end of the support hose is fixed on the lamp housing, the other end of the support hose is fixed on the base, and the base is used for placing the LED work lamp.

9. The LED work lamp with uniform light emission according to claim 8, wherein a switch is arranged on the base, the supporting hose is used for wrapping an electric wire, one end of the electric wire is connected with the switch, the other end of the electric wire is connected with the circuit board, and the switch is used for turning on or off the LED light source.

10. The uniformly illuminated LED worklight of claim 1, wherein the LED light source is heated by solder paste and then solder-fixed to the circuit board.