Laser irradiation temperature measurement system

Abstract

The utility model relates to a laser irradiation temperature measurement system, which comprises a laser device connected with a laser head and used for providing laser for the laser head; the laser head is mounted on the laser head mounting seat and is used for collimating and focusing laser, so that the laser is focused into a light spot to irradiate the dead center of the quartz rod; the infrared thermometer is mounted right above the quartz rod, the laser head, the five-axis displacement platform, the infrared thermometer and the laser absorption cavity are all mounted in the aluminum profile protective cover, and the aluminum profile protective cover is mounted on the optical shock isolation platform; the five-axis displacement platform is installed on the optical shock isolation platform, a V-shaped block is installed on the five-axis displacement platform, and a quartz rod is placed on the V-shaped block; the cooling-water machine waterway penetrates through the aluminum profile protective cover and communicates with the laser device, the laser head and the laser light absorption cavity, and the cooling-water machine is used for cooling the laser device, the laser head and the laser light absorption cavity; the device is high in testing efficiency, safe, reliable, simple to install and long in service life, saves manpower, and improves the working efficiency.

Description

Technical Field

[0001] The utility model relates to a laser irradiation temperature measurement system, and in particular to an optical quartz rod material performance test. Background Art

[0002] In the prior art, a quartz rod is irradiated with a laser to test its temperature performance, and a simple absorption method combining a reflector and a water cooling plate is used to absorb the laser. This absorption method is too rough, has poor safety protection measures, and is not reliable enough. Utility Model Content

[0003] The utility model aims to provide a laser irradiation temperature measurement system with high testing efficiency, safety and reliability, simple installation, long service life, saving manpower and improving work efficiency.

[0004] In order to achieve the above purpose, the utility model has the following technical solutions:

[0005] The utility model discloses a laser irradiation temperature measurement system, comprising: a laser, a laser head, a chiller, a five-axis displacement platform, an infrared thermometer, a laser light absorbing cavity, a laser head mounting seat, an optical vibration isolation platform, and an aluminum profile protective cover, wherein the laser is connected to the laser head and is used to provide laser to the laser head; the laser head is mounted on the laser head mounting seat, and the laser head is used to collimate and focus the laser so that the laser is focused into a light spot and irradiates the center of a quartz rod; the infrared thermometer is mounted directly above the quartz rod, and the laser head, the five-axis displacement platform, the infrared thermometer, and the laser light absorbing cavity are all mounted inside the aluminum profile protective cover, and the aluminum profile protective cover is mounted on the optical vibration isolation platform; the five-axis displacement platform is mounted on the optical vibration isolation platform, a V-shaped block is mounted on the five-axis displacement platform, and a quartz rod is placed on the V-shaped block; a water channel of the chiller passes through the aluminum profile protective cover, and the water channel of the chiller is respectively connected to the laser, the laser head, and the laser light absorbing cavity, and the chiller is used to cool the laser, the laser head, and the laser light absorbing cavity.

[0006] The five-axis displacement platform can adjust the position and posture of the quartz rod in five dimensions, ensuring that the quartz rod is coaxial with the laser and focusing the laser into a light spot with a diameter of 0.2 mm at the center of the quartz rod.

[0007] The infrared thermometer is installed at a height of 300 mm directly above the quartz rod to measure the temperature of the quartz rod.

[0008] The laser light absorbing cavity is installed on the optical vibration isolation platform and is responsible for absorbing the laser emitted from the rear end of the quartz rod, wherein the light inlet of the laser light absorbing cavity is installed coaxially with the quartz rod.

[0009] Among them, the aluminum profile protective cover is installed with laser protection plates on all four sides, a sliding door is installed on the front, a safety door sensor is installed on the sliding door, and a visual window is opened on the sliding door. The visual window is composed of anti-laser glass, which can observe the internal situation of the protective cover.

[0010] The advantages of the utility model are:

[0011] 1. The utility model saves manpower and improves work efficiency.

[0012] 2. Safe and reliable. When this system measures the temperature of the quartz rod, the laser irradiation process is carried out inside the aluminum profile protective cover. Laser protection plates are installed on all four sides of the aluminum profile protective cover. The sliding door is sealed and installed. A piece of laser-proof glass is installed on the sliding door. The wire inlet and outlet holes around the aluminum profile protective cover are sealed for wiring. The laser absorption cavity absorbs the laser emitted from the rear end of the quartz rod. These safety measures prevent the laser from being emitted to the outside of the protective cover during the irradiation temperature measurement. A safety door sensor is installed on the sliding door. During the irradiation temperature measurement, if the sliding door is opened manually, the system will immediately stop emitting light. Correspondingly, an emergency stop button is also installed on the optical seismic isolation platform. If an emergency occurs, pressing the emergency stop button will immediately stop emitting light.

[0013] 3. A professional laser absorption cavity is used to absorb the laser emitted from the rear end of the quartz rod. Compared with the traditional absorption method of a simple reflector and a water-cooled plate, it has the advantages of high test efficiency, safety, reliability, simple installation, and long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is an enlarged schematic diagram of the aluminum profile protective cover of the utility model;

[0016] Figure 3 It is an enlarged schematic diagram of the laser head, quartz rod, V-shaped block, and laser light absorption cavity of the utility model;

[0017] Figure 4 It is an enlarged schematic diagram of the visual window of the utility model;

[0018] Figure 5 It is an enlarged schematic diagram of the five-axis displacement platform of the utility model;

[0019] Figure 6 It is a block diagram of the electrical component control of the utility model.

[0020] In the figure, 1. Laser head (model: Wanshunxing HP-82); 2. Aluminum profile protective cover; 3. Laser absorption cavity (model: Hongweili HWL-12000); 4. Five-axis displacement platform (model: Yiheda YHD-5A-6060); 5. Quartz rod; 6. Laser (model: Ruike RFL-C12000S); 7. Chiller (model: Hanli HL-12000); 8. Optical seismic isolation platform; 9. Safety door sensor (model: Omron D40A); 10. Infrared thermometer (model: Gaode IPM630); 11. Sliding door; 12. V-block; 13. Laser head mounting seat; 14. Laser absorption cavity mounting seat; 15. Laser protection plate; 16. Visual window; 17. PLC (model: Siemens S7-1200). DETAILED DESCRIPTION

[0021] The following examples are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0022] See also Figure 1-6 The utility model discloses a laser irradiation temperature measurement system, comprising: a laser, a laser head, a chiller, a five-axis displacement platform, an infrared thermometer, a laser light absorbing cavity, a laser head mounting seat, an optical seismic isolation platform, and an aluminum profile protective cover, wherein the laser is connected to the laser head and is used to provide laser to the laser head; the laser head is mounted on the laser head mounting seat, and the laser head is used to collimate and focus the laser so that the laser is focused into a light spot and irradiates the center of the quartz rod; the infrared thermometer is mounted directly above the quartz rod, and the laser head, the five-axis displacement platform, the infrared thermometer, and the laser light absorbing cavity are all mounted inside the aluminum profile protective cover, and the aluminum profile protective cover is mounted on the optical seismic isolation platform; the five-axis displacement platform is mounted on the optical seismic isolation platform, and a V-shaped block is mounted on the five-axis displacement platform, and a quartz rod is placed on the V-shaped block; the water path of the chiller passes through the aluminum profile protective cover, and the water path of the chiller is respectively connected to the laser, the laser head, and the laser light absorbing cavity, and the chiller is used to cool the laser, the laser head, and the laser light absorbing cavity.

[0023] The five-axis displacement platform can adjust the position and posture of the quartz rod in five dimensions, ensure that the quartz rod is coaxial with the laser, and focus the laser into a light spot with a diameter of 0.2 mm at the center of the quartz rod.

[0024] The infrared thermometer is installed at a height of 300 mm directly above the quartz rod to measure the temperature of the quartz rod.

[0025] The laser light absorbing cavity is installed on the optical vibration isolation platform and is responsible for absorbing the laser emitted from the rear end of the quartz rod, wherein the light inlet of the laser light absorbing cavity is installed coaxially with the quartz rod.

[0026] The aluminum profile protective cover is equipped with laser protection plates on all four sides, a sliding door is installed on the front, a safety door sensor is installed on the sliding door, and a visual window is opened on the sliding door. The visual window is composed of anti-laser glass, which can observe the internal situation of the protective cover.

[0027] The utility model is suitable for testing the performance of optical quartz rod materials. After the quartz rod is irradiated by laser, the temperature of the rod body will increase. The utility model is used to test the temperature of the quartz rod after being irradiated by laser.

[0028] Before measuring the temperature, place the quartz rod on the V-block, adjust the five-axis displacement platform so that the quartz rod is coaxial with the laser and the minimum laser spot is in the center of the quartz rod, then close the sliding door, turn on the laser, keep the laser at a fixed power for 1 minute, and then stop emitting light. While emitting light, the infrared thermometer is also synchronously measuring the temperature of the quartz rod.

[0029] Quartz rod detection: The temperature of the quartz rod is compared with the constant temperature of the ambient temperature of 22°C. If the difference with the ambient temperature is ≤10°C, the quartz rod is qualified under the laser power usage conditions at this time.

[0030] The electrical components are controlled by PLC (model: Siemens S7-1200), such as Figure 6 shown.

[0031] The five-axis displacement platform is manually adjusted, the V-block is installed on the five-axis displacement platform, and the quartz rod is placed on the V-block.

[0032] The V-block has a V-shaped cross section and is used to hold cylindrical quartz rods.

[0033] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is impossible to list all the implementation methods here. Any obvious changes or modifications derived from the technical solution of the present invention are still within the scope of protection of the present invention.

Claims

1. A laser irradiation temperature measurement system, characterized in that: include: Laser, laser head, water chiller, five-axis displacement platform, infrared thermometer, laser light absorbing cavity, laser head mounting seat, optical seismic isolation platform, aluminum profile protective cover, the laser is connected to the laser head to provide laser to the laser head; the laser head is mounted on the laser head mounting seat, the laser head is used to collimate and focus the laser so that the laser is focused into a light spot to illuminate the center of the quartz rod; the infrared thermometer is mounted directly above the quartz rod, the laser head, five-axis displacement platform, infrared thermometer, laser light absorbing cavity are all mounted inside the aluminum profile protective cover, and the aluminum profile protective cover is mounted on the optical seismic isolation platform; the five-axis displacement platform is mounted on the optical seismic isolation platform, a V-shaped block is mounted on the five-axis displacement platform, and a quartz rod is placed on the V-shaped block; the water path of the water chiller passes through the aluminum profile protective cover, and the water path of the water chiller is connected to the laser, laser head, and laser light absorbing cavity respectively, and the water chiller is used to cool the laser, laser head, and laser light absorbing cavity.

2. A laser irradiation temperature measurement system according to claim 1, characterized in that: The five-axis displacement platform can adjust the position and posture of the quartz rod in five dimensions, ensure that the quartz rod is coaxial with the laser, and focus the laser into a light spot with a diameter of 0.2 mm at the center of the quartz rod.

3. A laser irradiation temperature measurement system according to claim 1, characterized in that: The infrared thermometer is installed at a height of 300 mm directly above the quartz rod to measure the temperature of the quartz rod.

4. A laser irradiation temperature measurement system according to claim 1, characterized in that: The laser light absorbing cavity is installed on the optical vibration isolation platform and is responsible for absorbing the laser emitted from the rear end of the quartz rod, wherein the light inlet of the laser light absorbing cavity is installed coaxially with the quartz rod.

5. A laser irradiation temperature measurement system according to claim 1, characterized in that: The aluminum profile protective cover is equipped with laser protection plates on all four sides, a sliding door is installed on the front, a safety door sensor is installed on the sliding door, and a visual window is opened on the sliding door. The visual window is composed of anti-laser glass, which can observe the internal situation of the protective cover.

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