Optical fiber condensation point light source equipment

Abstract

The utility model discloses optical fiber condensation point light source equipment which comprises a rack, a driving plate is arranged on one side of the rack, a switching power supply is arranged below the driving plate, a controller heat dissipation fan is arranged on one side of the switching power supply, a light source module heat dissipation fan is arranged above the controller heat dissipation fan, and a light source module heat dissipation fan is arranged above the light source module heat dissipation fan. A light source module is arranged above the light source module cooling fan, the light source module comprises high-power lamp beads, an annular quartz rod and a light source radiator, the high-power lamp beads are arranged in the light source radiator, and the multiple sets of high-power lamp beads are arranged; each group of high-power lamp beads are uniformly distributed in a hemispherical shape along the inner wall of the light source radiator, an annular quartz rod is arranged at the center of each high-power lamp bead, an optical fiber insertion port is formed above the light source module, and the optical fiber is inserted into the optical fiber insertion port through direct incidence and refraction of an annular lens. Light rays are gathered in one light spot, so that the light intensity of a point light source is greatly improved, and the glue curing capacity is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of light source devices, and more specifically, to an optical fiber focusing point light source device. Background Art

[0002] UV-LED is a new high-tech industry that is green and environmentally friendly, and is mainly applied to industries such as UV glue and ink curing. The advantages of UV-LED are green environmental protection, long service life, low power consumption, and instant on and off. With the increasing maturity of LED technology and the development of inks and glues for UV-LED curing equipment, the application range is more extensive.

[0003] After retrieval, the existing patent (publication number: CN107606531B) discloses a UV-LED parallel point light source, including a light source body, the light source body is a cuboid, and the body sequentially includes from top to bottom: a secondary optical correction part, a primary optical single-point lamp bead light source, and a heat dissipation system. The beneficial effects of the present invention are: using ultraviolet light-emitting diode LED lamp beads, utilizing the precise combination of the primary optical single-point lamp bead light source design and the secondary optical correction cavity design, controlling the parallel half-angle of the emitted light within 1.7°, and then through a reasonable heat dissipation design, when the energizing current of a single ultraviolet light-emitting diode reaches 2.2 amperes, the primary optical single-point lamp bead light source is controlled below 45°C. And because the light-emitting angle is small, it can not only be used in the traditional ultraviolet curing field, but also be used in lithography exposure, and the field of point light sources with very small requirements for the emitted light angle such as long-distance ultraviolet energy transmission. The inventor found the following problems in the process of implementing the present utility model:

[0004] The existing device uses a single lamp bead to emit a UV light source with a spot shape, which is used for the rapid curing of UV light-sensitive materials such as UV glue and UV ink. Limited by the small size of the traditional point light source, it is usually composed of a single lamp bead plus a lens. Although a condensing effect is produced, the light intensity cannot be greatly improved. Although the service life of the UV LED point light source is long, after long-term use, its light intensity will also decline, unable to meet the usage requirements.

[0005] Therefore, an optical fiber focusing point light source device is proposed for the above problems. Summary of the Utility Model

[0006] In order to overcome the above-mentioned defects of the prior art, the present utility model provides an optical fiber focusing point light source device to solve the problems raised in the above background art.

[0007] To achieve the above object, the present utility model provides the following technical solutions: An optical fiber focusing point light source device, comprising a frame. A drive board is provided on one side of the frame. A switching power supply is provided below the drive board. A controller cooling fan is provided on one side of the switching power supply. A light source module cooling fan is provided above the controller cooling fan. A light source module is provided above the light source module cooling fan. The light source module includes high-power lamp beads, a circular quartz rod, and a light source radiator. The light source radiator is stacked by three groups of radiators with a circular inner part and a square outer part. The inner diameters of the three groups of light source radiators increase in sequence. High-power lamp beads are provided inside the light source radiator. There are several groups of high-power lamp beads, and each group of high-power lamp beads is evenly arranged in a hemispherical shape along the inner wall of the light source radiator. A circular quartz rod is provided at the center of the high-power lamp beads. An optical fiber insertion port is provided above the light source module.

[0008] Preferably, a human-machine interface is provided on the outer wall of the frame. A switch is provided below the human-machine interface. The switch is connected to the switching power supply.

[0009] Preferably, an I / O port is provided on one side of the light source module cooling fan. An AC interface is provided below the I / O port. The voltage of the AC interface is 220V.

[0010] Preferably, fins are provided on both sides of each group of the light source radiators. The light source radiator dissipates heat through the fins.

[0011] Preferably, the distance between the circular quartz rod and the high-power lamp beads is 1mm, so that the light of each group of high-power lamp beads is refracted and focused on the same center point.

[0012] Preferably, each group of high-power lamp beads on the light source radiator can be independently controlled to be turned on or off, and the focusing points of the high-power lamp beads on each group of the light source radiators are unified, and the focusing points correspond to the optical fiber insertion port.

[0013] Preferably, an optical fiber is provided inside the optical fiber insertion port. A replaceable lens is provided at one end of the optical fiber. The replaceable lens can switch the diameter size to control the size of the light spot formed by the light source module.

[0014] The technical effects and advantages of the present utility model:

[0015] 1. Compared with the prior art, the optical fiber focusing point light source device directly irradiates and refracts light through a circular lens and then focuses the light in a light spot, and then injects all the light of the light spot into the optical fiber. Through the total internal reflection and transmission functions of the optical fiber, a high-intensity UV light spot is output, greatly improving the light intensity of the point light source, thereby increasing the glue curing ability.

[0016] 2. Compared with the prior art, in this fiber optic focusing point light source device, a radiator is arranged around the high-power lamp beads, and the heat generated during the operation of the lamp beads is dissipated through the radiator and fins. At the same time, a heat dissipation fan for the light source module is arranged below, so that the lamp head part does not get hot and there is no safety hazard. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic perspective view of the overall structure of the present invention.

[0018] Figure 2 It is a schematic top view of the light source module of the present invention.

[0019] Figure 3 It is a schematic cross-sectional view of the light source module of the present invention.

[0020] Figure 4 It is a schematic perspective view of the replaceable lens of the present invention.

[0021] The reference numerals are: 1. Frame; 2. Driving board; 3. Switching power supply; 4. Controller heat dissipation fan; 5. Light source module heat dissipation fan; 6. Light source module; 7. High-power lamp bead; 8. Annular quartz rod; 9. Light source radiator; 10. Fiber optic insertion port; 11. Human-machine interface; 12. Switch; 13. I / O port; 14. AC interface; 15. Fin; 16. Optical fiber; 17. Replaceable lens. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Embodiment 1

[0024] As shown in the attached Figures 1 to 4An optical fiber focusing point light source device shown in the figure includes a frame 1 made of metal materials, which plays a role in support and protection. A driving board 2 is arranged on one side of the frame 1. The driving board 2 adopts a constant current driving circuit and is independently controlled by each optical fiber 16. It monitors the loop voltage and current and feeds back to the control unit to ensure the stable operation of the UV LED lamp during the working process. The current of each path of the driving board 2 is independently set, and it supports the short-circuit and open-circuit alarm protection functions of single high-power lamp beads 7. A switching power supply 3 is arranged below the driving board 2. A controller cooling fan 4 is arranged on one side of the switching power supply 3. A buzzer should be arranged on the controller. When a single lamp bead has a short circuit or open circuit alarm, the buzzer outputs a device prompt sound, and at the same time, the human-machine interface 11 gives the corresponding alarm information. The driving board 2 and the controller are powered on through a 220V AC interface 14. The power supply supplies power to the controller cooling fan 4 and the driving board 2. The controller cooling fan 4 is used for the heat dissipation of the controller inside and the light source.

[0025] The driving board outputs direct current to light up the LED lamp beads. Above the controller cooling fan 4, there is a light source module cooling fan 5. Above the light source module cooling fan 5, there is a light source module 6. The light source module 6 includes high-power lamp beads 7, a ring-shaped quartz rod 8, and a light source radiator 9. The light source radiator 9 is stacked by three groups of radiators with a ring shape inside and a square shape outside. The inner diameters of the three groups of light source radiators 9 increase in sequence. Inside the light source radiator 9, there are high-power lamp beads 7. The high-power lamp beads 7 are soldered to the substrate by brushing solder paste. There is thermal conductive silicone grease between the substrate and the aspherical light source radiator 9. The heat is conducted to the light source radiator 9 and finally discharged by the fan. There are several groups of high-power lamp beads 7, and each group of high-power lamp beads 7 is evenly arranged in a hemispherical shape along the inner wall of the light source radiator 9. At the center of the high-power lamp beads 7, there is a ring-shaped quartz rod 8. The ring-shaped quartz rod 8 is made of silicate glass. Due to its excellent optical properties and high temperature resistance, this material shows excellent thermal stability, enabling the high-power lamp beads 7 to maintain stable performance under long-term high-power operation, avoiding performance attenuation or damage caused by temperature fluctuations. At the same time, it is often used in optical systems. It has a high light transmittance in the ultraviolet to visible light range, making it an ideal material for transmitting UV light. Above the light source module 6, there is an optical fiber insertion port 10. The optical fiber insertion port 10 must be precisely designed according to the diameter of the used optical fiber 11 to ensure that the optical fiber 11 can be accurately inserted and firmly positioned.

[0026] Embodiment 2

[0027] Based on Embodiment 1, the solution in Embodiment 1 is further refined and introduced in combination with the following specific working methods, as Figures 1 to 4 shown, and the details are described below:

[0028] As a preferred embodiment, a human-machine interface 11 is provided on the outer wall of the frame 1. A switch 12 is provided below the human-machine interface 11. The switch 12 is connected to the switching power supply 3. Further, the human-machine interface 11 supports manual, timed, or external control modes to realize the on / off of the light source module 6 and control the output power. The temperature, current, and light intensity of the light source module 6 can be monitored.

[0029] As a preferred embodiment, an I / O port 13 is provided on one side of the light source module cooling fan 5. An AC interface 14 is provided below the I / O port 13. The voltage of the AC interface 14 is 220V. Further, the I / O port 13 is equipped to upload device data and status for monitoring by the host computer. At the same time, an interface is reserved to facilitate connection with other intelligent devices to achieve remote control.

[0030] As a preferred embodiment, fins 15 are provided on both sides of each group of light source radiators 9. The light source radiators 9 dissipate heat through the fins 15. Further, the design of the fins 15 utilizes their large surface area to increase the air contact surface, thereby improving the heat dissipation efficiency. The fins 15 are usually numerous and thin, so that the surface area can be maximized without adding too much weight.

[0031] As a preferred embodiment, the distance between the annular quartz rod 8 and the high-power lamp beads 7 is 1 mm, so that the light rays of each group of high-power lamp beads 7 are refracted and focused on the same center point. Further, through the focusing technology of the annular quartz rod 8, the scattering and waste of light are reduced, and more light energy is effectively utilized. At the same time, by designing different annular quartz rods 8 or changing the relative position of the high-power lamp beads 7 and the annular quartz rod 8, the size and intensity of the focused light spot can be adjusted. This flexibility enables the same light source device to adapt to different usage requirements and conditions.

[0032] As a preferred embodiment, each group of high-power lamp beads 7 on the light source radiator 9 can be controlled individually to turn on and off, and the focusing points of the high-power lamp beads 7 on each group of light source radiators 9 are unified, and the focusing points correspond to the fiber optic insertion ports 10. Further, the same UV light source can adapt to different application requirements, from fine processing to full-intensity irradiation.

[0033] As a preferred embodiment, an optical fiber 16 is provided inside the fiber optic insertion port 10. One end of the optical fiber 16 is provided with a replaceable lens 17. The replaceable lens 17 can switch the diameter size to control the size of the light spot formed by the light source module 6. Further, the light rays gathered by the internal light source of the light source module 6 are output as a high-intensity point light source, and different replaceable lenses 17 can be replaced at the output port of the optical fiber 11 to form light spots of different sizes.

[0034] The working process of this utility model is as follows: First, the device receives external power through the 220V AC interface 14. The internally integrated switching power supply 3 converts alternating current into direct current to provide necessary power for the internal electronic components (such as fans, drive boards, etc.). The controller, as the "brain" of the system, manages the commands input by the user and automatically monitors and adjusts the system status. The user can set different operation modes (such as manual control, timing control, or external signal control) through the human-machine interface 11. The constant current power supply provided by the drive board 2 lights up the high-power lamp beads 7. Each high-power lamp bead 7 is driven by an accurate current to ensure the consistency and stability of the light intensity. The heat generated by the high-power lamp beads 7 during operation is transferred to the light source radiator 9 through thermal grease. The light source radiator 9 is designed with a multi-layer fin 15 structure, greatly increasing the heat dissipation surface area. The internal fan is responsible for quickly dispersing the heat absorbed by the light source radiator 9 into the environment to ensure that the high-power lamp beads 7 continuously operate at an appropriate temperature. The light emitted by the high-power lamp beads 7 is first focused by the annular quartz rod 8 to enhance the concentration of the light intensity. Subsequently, the focused light beam enters the optical fiber insertion port 10. The optical fiber 11 uses the principle of total internal reflection to efficiently conduct the light to the output end. At the output end of the optical fiber, the user can replace the replaceable lens 17 with different diameters according to needs to adjust the size and intensity of the light spot. The above is the working principle of this fiber optic focusing point light source device.

Claims

1. An optical fiber focusing point light source device, comprising a frame (1), characterized in that: A drive board (2) is arranged on one side of the frame (1), a switch power supply (3) is arranged below the drive board (2), a controller heat dissipation fan (4) is arranged on one side of the switch power supply (3), a light source module heat dissipation fan (5) is arranged above the controller heat dissipation fan (4), a light source module (6) is arranged above the light source module heat dissipation fan (5), the light source module (6) comprises a high-power lamp bead (7), an annular quartz rod (8) and a light source radiator (9), and the light source radiator (9) The invention is formed by stacking three groups of heat sinks with annular interior and square exterior, the inner diameters of the three groups of light source heat sinks (9) increasing successively, high-power lamp beads (7) are arranged inside the light source heat sink (9), the high-power lamp beads (7) are arranged in a plurality of groups, and each group of high-power lamp beads (7) are evenly arranged in a hemispherical shape along the inner wall of the light source heat sink (9), an annular quartz rod (8) is arranged at the center of the high-power lamp beads (7), and an optical fiber insertion port (10) is arranged above the light source module (6).

2. The optical fiber focusing point light source device according to claim 1, characterized in that: A human-machine interface (11) is arranged on the outer wall of the frame (1), a switch (12) is arranged below the human-machine interface (11), and the switch (12) is connected to the switching power supply (3).

3. The optical fiber focusing point light source device according to claim 1, characterized in that: An I / O port (13) is provided on one side of the light source module heat dissipation fan (5), and an AC interface (14) is provided below the I / O port (13). The voltage of the AC interface (14) is 220V.

4. The optical fiber focusing point light source device according to claim 1, characterized in that: Fins (15) are provided on both sides of each group of light source heat sinks (9), and the light source heat sinks (9) dissipate heat through the fins (15).

5. The optical fiber focusing point light source device according to claim 1, characterized in that: The distance between the annular quartz rod (8) and the high-power lamp beads (7) is 1 mm, so that the light of each group of high-power lamp beads (7) is refracted and focused on the same central point.

6. The optical fiber focusing point light source device according to claim 1, characterized in that: Each group of high-power lamp beads (7) of the light source heat sink (9) can be individually controlled to light up or light down, and the focusing point of each group of high-power lamp beads (7) on the light source heat sink (9) is unified, and the focusing point corresponds to the optical fiber insertion port (10).

7. The optical fiber focusing point light source device according to claim 1, characterized in that: An optical fiber (16) is disposed inside the optical fiber insertion port (10), and a replaceable lens (17) is disposed at one end of the optical fiber (16). The replaceable lens (17) can switch the diameter to control the size of the light spot formed by the light source module (6).

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