Small laser with temperature control and flame early warning functions

Abstract

The utility model discloses a miniature laser with temperature control and flame early warning functions, which belongs to the technical field of lasers and comprises a support bottom plate, a double-laser component is arranged on the support bottom plate and used for emitting red light and blue light, a laser control panel is arranged on one side of the double-laser component and used for controlling the double-laser component to switch light beams and emit light beams, and the laser control panel is used for controlling the double-laser component to emit light beams. One side of the double-laser assembly is provided with a laser control panel, the other side of the double-laser assembly is provided with a heat dissipation temperature control assembly used for detecting and controlling the real-time working temperature of the double-laser assembly, the support bottom plate is provided with a flame early warning sensor used for monitoring the flame early warning temperature of the laser, and the laser control panel is electrically connected with the double-laser assembly, the heat dissipation temperature control assembly and the flame early warning sensor. According to the utility model, the radiator clings to the side surface of the double-laser assembly, and heat dissipation is accelerated through the double fans, thereby realizing rapid cooling; the flame early warning sensor can prevent burning risks; the whole structure is easy to install, simple to disassemble, safe, reliable, small in size and low in cost, and meets the portable requirement of equipment.

Description

Technical Field

[0001] This utility model belongs to the field of laser technology and relates to a small laser with temperature control and flame warning. Background Technology

[0002] High-power lasers are devices with output power significantly higher than conventional lasers, typically possessing continuous or pulsed output capabilities in the kilowatt to megawatt range. These lasers have wide applications in industry, scientific research, military, and medical fields. Existing lasers have the following problems:

[0003] 1. The Joule heating effect generated during the operation of high-power lasers is more significant, which increases the difficulty of heat dissipation, thereby affecting performance stability and may even cause a fire risk due to untimely heat dissipation;

[0004] 2. Due to the heat dissipation requirements of lasers, the overall design of temperature control modules is large and costly, making it difficult to meet the portability requirements of equipment. Utility Model Content

[0005] This invention provides a small laser with temperature control and flame warning, aiming to solve the problems of insufficient heat dissipation of existing lasers affecting the stability of laser performance, as well as the problems of large size and high cost of lasers, which make it difficult to meet the portability requirements of equipment.

[0006] To achieve the above objectives, this utility model provides a small laser with temperature control and flame warning, including a support base plate. The support base plate is equipped with a dual laser assembly for emitting red and blue light. A laser control board is provided on one side of the dual laser assembly for controlling the switching and emission of the laser beam. A heat dissipation and temperature control assembly is provided on the other side of the dual laser assembly for detecting the real-time operating temperature of the dual laser assembly. A flame warning sensor is provided on the support base plate for monitoring the flame warning temperature of the laser. The laser control board is electrically connected to the dual laser assembly, the heat dissipation and temperature control assembly, and the flame warning sensor.

[0007] Preferably, the dual-laser assembly includes a red light chamber, a blue light chamber, and a laser aggregation chamber. The laser aggregation chamber and the blue light chamber are fixedly mounted on the base plate of the support. The red light chamber is installed on the upper surface of the blue light chamber. The blue light chamber and the red light chamber are both connected to the same end face of the laser aggregation chamber.

[0008] Preferably, a first light-emitting aperture and a second light-emitting aperture are provided on one side of the laser aggregation chamber. The first light-emitting aperture is located on one side of the red light chamber, and the second light-emitting aperture is located on one side of the blue light chamber. A reflective mirror is provided on one side of the laser aggregation chamber. The red light and blue light emitted by the blue light chamber and the red light chamber, respectively, enter the laser aggregation chamber through the first light-emitting aperture and the second light-emitting aperture, respectively, and converge, and are emitted outward through the reflective mirror.

[0009] Preferably, the heat dissipation and temperature control assembly includes a heat sink, dual fans, and a temperature control board. The heat sink is located on one side of the dual laser assembly. The dual fans are connected to the outer side of the heat sink. The temperature control board is located above the heat sink. A temperature sensor is connected to the temperature control board. The temperature control board is electrically connected to the heat sink and the dual fans. The laser control board is electrically connected to the temperature control board.

[0010] When the temperature sensor detects that the temperature of the heat sink exceeds the first preset temperature, the temperature control board controls the dual fans to start for heat dissipation; when the temperature detected by the flame warning sensor exceeds the second preset temperature, the laser control board controls the dual laser components to stop working, wherein the second preset temperature is greater than the first preset temperature.

[0011] The advantages of this utility model over the prior art are:

[0012] This invention provides a small laser with temperature control and flame warning. It uses a heat sink closely attached to the side of the dual laser components and dual fans to accelerate heat dissipation and achieve rapid cooling. The flame warning sensor can prevent the risk of burning. The overall structure is easy to install and disassemble, safe and reliable, small in size and low in cost, meeting the portability requirements of the device.

[0013] To more clearly illustrate the structural features and effects of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 for Figure 1 A schematic diagram of the decomposed structure;

[0016] Figure 3 This is a schematic diagram of the dual-laser component structure in this utility model;

[0017] Figure 4 This is an exploded structural diagram of the heat dissipation and temperature control component in this utility model;

[0018] Figure label:

[0019] 1. Support base plate; 2. Dual laser assembly; 3. Laser control board; 4. Heat dissipation and temperature control assembly; 5. Flame warning sensor; 6. Red light chamber; 7. Blue light chamber; 8. Laser aggregation chamber; 9. Second light aperture; 10. Reflective mirror; 11. Heat sink; 12. Dual fans; 13. Temperature control board; 14. Temperature sensor. Detailed Implementation

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0021] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0022] To achieve the above objectives, this utility model provides a small laser with temperature control and flame warning, see reference. Figure 1-4 As shown, the device includes a support base plate 1, a dual laser assembly 2, a laser control board 3, a heat dissipation and temperature control assembly 4, and a flame warning sensor 5. The dual laser assembly 2 is mounted on the support base plate 1 and is used to emit red and blue light. The laser control board 3 is located on one side of the dual laser assembly 2 and is used to control the switching and emission of the laser beam. The heat dissipation and temperature control assembly 4 is located on the other side of the dual laser assembly 2 and is used to detect the real-time operating temperature of the dual laser assembly. The flame warning sensor 5 is located on the support base plate 1 and is used to monitor the flame warning temperature of the laser. The laser control board 3 is electrically connected to the dual laser assembly 2, the heat dissipation and temperature control assembly 4, and the flame warning sensor 5.

[0023] Furthermore, the dual-laser assembly 2 includes a red light chamber 6, a blue light chamber 7, and a laser converging chamber 8. The laser converging chamber 8 and the blue light chamber 7 are fixedly mounted on the bracket base plate 1. The red light chamber 6 is mounted on the upper end face of the blue light chamber 7. Both the blue light chamber 7 and the red light chamber 6 are connected to the same end face of the laser converging chamber 8. A first light emission hole and a second light emission hole 9 are provided on one side of the laser converging chamber 8. The first light emission hole is located on one side of the red light chamber 6, and the second light emission hole 9 is located on one side of the blue light chamber 7. A reflective mirror 10 is provided on one side of the laser converging chamber 8. A red light generator for emitting red light is installed in the red light chamber 6, and a blue light generator for emitting blue light is installed in the blue light chamber 7. The red light and blue light emitted by the blue light chamber 7 and the red light chamber 6 enter the laser converging chamber 8 through the first light emission hole and the second light emission hole 9, respectively, and are then emitted outward through the reflective mirror 10.

[0024] The specific working principle of the light source is as follows: Blue light is emitted from the blue light generator in blue light chamber 7 into laser focusing chamber 8, and red light is emitted from the red light generator in red light chamber 6 at an angle into laser focusing chamber 8. This allows the red and blue light to converge within laser focusing chamber 8 and then refracted outwards through reflective mirror 10. The converged red and blue light emitted here can be further refracted using existing laser galvanometers and field lenses, ultimately engraving it onto the surface of the object. The galvanometer scanner is a high-speed, high-precision reflection system primarily used to control the direction of the laser beam. It typically consists of a pair of small, rotatable mirrors, each responsible for one dimension (X-axis and Y-axis). The field lens (F-Theta Lens) is a lens whose main purpose is to focus the laser beam reflected by the galvanometer onto the working plane and ensure a consistent spot size throughout the scanning area.

[0025] Furthermore, the heat dissipation and temperature control assembly 4 includes a heat sink 11, dual fans 12, and a temperature control board 13. The heat sink 11 is located on one side of the dual laser assembly 2. The dual fans 12 are connected to the outer side of the heat sink 11. The temperature control board 13 is located above the heat sink 11. A temperature sensor 14 is connected to the temperature control board 13. The temperature control board 13 is electrically connected to the heat sink 11 and the dual fans 12. The laser control board 3 is electrically connected to the temperature control board 13.

[0026] When the temperature sensor detects that the temperature of the heat sink exceeds the first preset temperature, the temperature control board controls the dual fans to start for heat dissipation; when the temperature detected by the flame warning sensor exceeds the second preset temperature, the laser control board controls the dual laser components to stop working, wherein the second preset temperature is greater than the first preset temperature.

[0027] In one embodiment, the red light chamber 6 emits 2W red light, and the blue light chamber 7 emits 10W blue light. The temperature control board 13 detects the temperature of the heat sink 11 through the temperature sensor 14. When the laser control board 3 receives the instruction signal from the software, it controls the red light chamber 6 and the blue light chamber 7 to generate laser light, which is then focused in the laser convergence chamber 8 and reaches the worktable through the reflective mirror 10 to achieve the engraving function. When the temperature reaches a certain level, for example, the first preset temperature is 30 degrees Celsius, the heat dissipation work is started. The dual fans 12 start synchronously to perform air cooling circulation to cool the laser and allow it to operate within a stable and suitable temperature range. When the temperature is high, for example, the second preset temperature is 50 degrees Celsius, the flame warning sensor 5 will start an alarm, the laser control board 3 will cut off the laser's working signal, and the dual fans 12 will continue to work until the temperature reaches a suitable range to ensure that the laser is not damaged and to guarantee its service life.

[0028] The dual laser assembly 2 is fixed to the base plate 1 of the bracket. The laser control board 3 is installed on the non-heat-dissipating side of the dual laser assembly 2, so as not to affect its heat dissipation. The laser control board 3 uses a dual-channel digital potentiometer to independently adjust the driving current corresponding to the two wavelengths, so as to achieve independent control of temperature and current without interference. This reduces the output interference that may be caused by differences in gain medium, crystal characteristics and thermal effects of different wavelengths, because blue light (about 450 nm wavelength) and red light (about 650 nm wavelength) need to be efficiently coupled in the same system. The dual-channel digital potentiometer is an integrated circuit that can simulate the function of a traditional mechanical potentiometer, but is controlled by digital signals. It contains two independent adjustable resistance channels, and the resistance value can be adjusted through a digital interface (such as I2C, SPI or simple pulse control).

[0029] The heat dissipation and temperature control component 4 is a temperature sensor 14 arranged on the temperature control board 13. It can be combined with an STM32 microcontroller to integrate temperature control, drive, and sensor on a single temperature control board 13 for a compact layout and packaging. The temperature control board 13 is located on the upper part of the dual laser component 2, while the right side of the dual laser component 2 integrates a heat sink 11 and dual fans 12, thereby effectively reducing the temperature of the dual laser component 2.

[0030] The flame warning sensor 5 can quickly detect environmental changes in the dual laser assembly 2 (such as a sudden temperature rise to the second preset temperature, or the flame warning sensor 5 capturing an abnormal flame signal) and feed it back to the laser control board 3 to disconnect the working signal of the dual laser assembly 2 in time, preventing overheating damage and fire risk.

[0031] In summary, this utility model provides a small laser with temperature control and flame warning. It uses a heat sink 11 closely attached to the side of the dual laser assembly 2 and dual fans 12 to accelerate heat dissipation and achieve rapid cooling. The flame warning sensor 5 can prevent the risk of burning. The overall structure is easy to install and disassemble, safe and reliable, small in size and low in cost, meeting the portability requirements of the device.

[0032] The technical principles of this utility model have been described above with reference to specific embodiments, which are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments; all technical solutions falling within the scope of this utility model's concept are protected. Other specific embodiments of this utility model that can be conceived by those skilled in the art without creative effort will also fall within the protection scope of this utility model.

Claims

1. A compact laser with temperature control and flame warning, characterized in that, The device includes a support base plate, on which a dual laser assembly is mounted for emitting red and blue light. A laser control board is mounted on one side of the dual laser assembly for controlling the switching and emission of the laser beam. A heat dissipation and temperature control assembly is mounted on the other side of the dual laser assembly for detecting the real-time operating temperature of the dual laser assembly. A flame warning sensor is mounted on the support base plate for monitoring the flame warning temperature of the laser. The laser control board is electrically connected to the dual laser assembly, the heat dissipation and temperature control assembly, and the flame warning sensor.

2. The compact laser with temperature control and flame warning according to claim 1, characterized in that, The dual-laser assembly includes a red light chamber, a blue light chamber, and a laser aggregation chamber. The laser aggregation chamber and the blue light chamber are fixedly mounted on the base plate of the support. The red light chamber is installed on the upper surface of the blue light chamber. The blue light chamber and the red light chamber are both connected to the same end face of the laser aggregation chamber.

3. The compact laser with temperature control and flame warning according to claim 2, characterized in that, The laser converging chamber has a first light aperture and a second light aperture on one side. The first light aperture is located on one side of the red light chamber, and the second light aperture is located on one side of the blue light chamber. The laser converging chamber has a reflective mirror on one side. The red light and blue light emitted by the blue light chamber and the red light chamber respectively enter the laser converging chamber through the first light aperture and the second light aperture, respectively, and are converged and emitted outward through the reflective mirror.

4. The compact laser with temperature control and flame warning according to claim 1, characterized in that, The heat dissipation and temperature control assembly includes a heat sink, dual fans, and a temperature control board. The heat sink is located on one side of the dual laser assembly. The dual fans are connected to the outer side of the heat sink. The temperature control board is located above the heat sink. A temperature sensor is connected to the temperature control board. The temperature control board is electrically connected to the heat sink and the dual fans. The laser control board is electrically connected to the temperature control board.

5. The compact laser with temperature control and flame warning according to claim 4, characterized in that, When the temperature sensor detects that the temperature of the heat sink exceeds the first preset temperature, the temperature control board controls the dual fans to start for heat dissipation; when the temperature detected by the flame warning sensor exceeds the second preset temperature, the laser control board controls the dual laser components to stop working, wherein the second preset temperature is greater than the first preset temperature.

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