Laser product safety monitoring device

Abstract

The utility model provides a laser product safety monitoring device, which belongs to the technical field of laser detection and comprises a translation table I, a translation table II, a translation table III, a translation table IV, a lifting table, a rotating table, a sample mounting platform, a diaphragm lens frame, a light beam quality analyzer, an integrating sphere, a power / energy meter and a spectrograph. Moving parts of the device are electrically controlled, and the device is simple in structure and easy to operate. And a laser distance measuring sensor is mounted on the translation table, so that the relative position of the laser product and the detection instrument can be quantitatively controlled in real time, the detection of photoelectric property parameters of different types of laser products is met, and the detection of the safety performance of the laser products and the division of safety levels are realized. And therefore, the safety of a user when the user uses the laser product is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of laser product performance testing, and in particular relates to a laser product safety monitoring device. Background Art

[0002] With the rapid development of laser technology, laser products are increasingly used in our daily lives and work. However, with their widespread adoption, laser product safety has become a key concern. If laser safety is not strictly controlled, it can pose serious safety risks to users, such as causing irreversible damage to the eyes, skin, and even organs, or causing fires.

[0003] To reduce user risks associated with laser products, laser products must undergo safety performance testing before leaving the factory to ensure safe use. However, the devices currently available on the market for testing the optoelectronic parameters of laser products are complex and difficult to operate. Utility Model Content

[0004] The technical problem to be solved by the present invention is to solve the above-mentioned problems existing in the prior art, and proposes a detection device with simple structure, convenient operation and relatively accurate target data detection.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a laser product safety monitoring device, characterized in that it includes: a translation stage one, a translation stage two, a translation stage three, a translation stage four, a lifting platform, a rotating platform, a sample mounting platform, an aperture lens holder, a beam quality analyzer, an integrating sphere, a power / energy meter and a spectrometer, the translation stage two, the translation stage three and the translation stage four are fixed side by side on the translation stage one in sequence and placed perpendicular to the translation stage one, the sample mounting platform is fixed on the rotating platform, the rotating platform is fixed on the lifting platform, the lifting platform is fixed on the translation stage two, the aperture lens holder is fixed on the translation stage three, the power / energy meter and the spectrometer receiving port are connected to the integrating sphere, and the integrating sphere and the beam quality analyzer are fixed side by side on the translation stage four.

[0006] Furthermore, the second translation stage, the third translation stage and the fourth translation stage are respectively slidably connected to the first translation stage.

[0007] Furthermore, the translation platform 1, translation platform 2, translation platform 3, translation platform 4, lifting platform and rotating platform are all electrically controlled.

[0008] Furthermore, laser ranging sensors are installed on the second translation stage, the third translation stage and the fourth translation stage respectively.

[0009] Furthermore, the lifting platform is slidably connected to the second translation stage, the aperture lens holder is slidably connected to the third translation stage, and the integrating sphere and the beam quality analyzer are slidably connected to the fourth translation stage.

[0010] Furthermore, the sample mounting platform includes a base plate and two fixing components, which are respectively fixed at the two side edge positions of the base plate, and the fixing components include a carrier frame, a lifting rod and a pressure rod, wherein the bottom of the carrier frame is provided with a connecting hole for fixing to the base plate, the upper surface of the carrier frame is provided with a V-shaped groove for placing the laser product, and the edges of both sides of the carrier frame are provided with lifting rods, and the lifting rods are provided with a pressure rod that can move up and down, and there are locking screws in the middle and side of the pressure rod. The pressure rod is adjusted up and down according to the size of the laser product to press the laser product, and the locking screw locks the pressure rod.

[0011] Furthermore, the iris lens holder is composed of two parts: a variable iris and an adjustable lens fixing part. The variable iris and the lens fixing part are tightly attached together. The variable iris can adjust the size of the light hole, and the lens fixing part can switch different types of lenses.

[0012] The beneficial effects of the present invention are:

[0013] The utility model can change the horizontal relative positions between the laser light outlet, the aperture aperture, and the receiving hole of the detection instrument by the relative sliding between the first translation stage, the second translation stage, the third translation stage, and the fourth translation stage. The vertical relative position between the laser light outlet and the detection instrument can be changed by moving the lifting platform and the rotating platform. The aperture lens holder can adjust the size of the aperture diaphragm and replace lenses of different focal lengths and types. Different detection instruments can be selected by sliding the beam quality analyzer and the integrating sphere. By moving the relative positions between the beam quality analyzer, the integrating sphere, the power / energy meter, the spectrometer, the aperture lens holder, and the sample mounting platform, it is possible to measure different optoelectronic performance parameters of the laser product, such as wavelength, power, light intensity distribution, and subtending angle, as well as to detect laser products of different sizes and different light emission angles. This allows the detection of the safety performance of laser products and the classification of safety levels, thereby improving the safety of users when using laser products.

[0014] The utility model adopts electric control for the translation stage and other moving parts, with a simple structure and easy operation. In addition, a laser distance sensor is installed on the translation stage to quantitatively control the relative position of the laser product and the detection instrument in real time, thereby improving the accuracy of the detection data. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the laser product safety monitoring device of the present utility model.

[0016] Figure 2This is a structural diagram of the sample installation platform in the laser product safety monitoring device of the present utility model.

[0017] Explanation of the reference numbers: 1. Translation stage 1; 2. Translation stage 2; 3. Translation stage 3; 4. Translation stage 4; 5. Lifting stage; 6. Rotating stage; 7. Sample mounting platform; 8. Aperture lens holder; 9. Beam quality analyzer; 10. Integrating sphere; 11. Power / energy meter; 12. Spectrometer; 71. Base plate; 72. Fixed assembly; 721. Carrying frame; 722. Lifting rod; 723. Pressure rod. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Unless otherwise defined, the technical or scientific terms used in this utility model should have the usual meanings understood by people with ordinary skills in the field to which this utility model belongs. The words "first", "second" and similar words used in this utility model do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0020] In order to keep the following description of the embodiments of the present invention clear and concise, the present invention omits detailed descriptions of some known functions and components.

[0021] Please refer to Figure 1 and Figure 2 , the first embodiment of the present utility model is:

[0022] A laser product safety monitoring device includes: a translation stage 1, a translation stage 2, a translation stage 3, a translation stage 4, a lifting platform 5, a rotating platform 6, a sample mounting platform 7, an aperture lens holder 8, a beam quality analyzer 9, an integrating sphere 10, a power / energy meter 11 and a spectrometer 12. The translation stage 2, the translation stage 3, and the translation stage 4 are fixed side by side on the translation stage 1 and placed perpendicular to the translation stage 1. The sample mounting platform 7 is fixed on the rotating platform 6, and the rotating platform 6 is fixed on the lifting platform 5. The lifting platform 5 is fixed on the translation stage 2. The aperture lens holder 8 is fixed on the translation stage 3. The receiving ports of the power / energy meter 11 and the spectrometer 12 are connected to the integrating sphere 10, and the integrating sphere 10 and the beam quality analyzer 9 are fixed side by side on the translation stage 4.

[0023] Furthermore, the translation stage 2 2 , the translation stage 3 3 and the translation stage 4 4 ​​are respectively slidably connected to the translation stage 1 1 .

[0024] Furthermore, the translation platform 1, translation platform 2, translation platform 3, translation platform 4, lifting platform 5, and rotating platform 6 are all electrically controlled.

[0025] Furthermore, laser ranging sensors are respectively installed on the translation stage 2, the translation stage 3 and the translation stage 4.

[0026] Furthermore, the lifting platform 5 is slidably connected to the translation stage 2 2 , the aperture lens holder 8 is slidably connected to the translation stage 3 3 , and the integrating sphere 10 and the beam quality analyzer 9 are slidably connected to the translation stage 4 4 ​​.

[0027] Furthermore, the sample mounting platform 7 includes a base plate 71 and two fixing components 72, and the two fixing components 72 are respectively fixed on the edge positions of both sides of the base plate 71. The fixing components 72 include a carrier frame 721, a lifting rod 722 and a pressure rod 723, wherein the bottom of the carrier frame 721 is provided with a connecting hole for fixing on the base plate 71, the upper surface of the carrier frame 721 is provided with a V-shaped groove for placing the laser product, and the edges of both sides of the carrier frame 721 are provided with lifting rods 722. The lifting rods 722 are provided with a pressure rod 723 that can move up and down, and the middle and side of the pressure rod 723 are provided with locking screws. The pressure rod 723 is adjusted up and down according to the size of the laser product to press the laser product, and the locking screw locks the pressure rod 723.

[0028] Furthermore, the iris lens holder 8 is composed of a variable iris and an adjustable lens holder. The variable iris and the lens holder are tightly attached to each other. The variable iris can adjust the size of the light aperture. The lens holder can switch between different types of lenses.

[0029] Working process:

[0030] When measuring the power of a laser product, the laser product is fixed on the sample mounting platform 7. First, the beam quality analyzer 9 is selected as the detection instrument. The translation stage 4 4 ​​is moved back and forth to observe the change in the laser beam angle, and the position of the laser light outlet is adjusted according to the detection results to ensure that the laser light outlet and the receiving port of the beam quality analyzer 9 are in the same straight line. Then, according to the laser energy, different aperture diameters and lens types (shaping or attenuation, etc.) are selected. The power / energy meter 11 is selected as the detection instrument, and the integrating sphere 10 is moved to the linear position corresponding to the laser light outlet. Then, according to the detection requirements, the translation stage 2 2, the translation stage 3 3 and the translation stage 4 4 ​​are moved to adjust the relative positions between the laser light outlet, the aperture lens aperture and the detection instrument, and perform precise positioning according to the measurement results of the laser ranging sensor. Finally, the power / energy meter 11 measures the laser energy and records the data.

[0031] The detection of other photoelectric parameters is carried out in the same way. Different aperture lens types and detection instruments are selected, and the relative positions of the laser light outlet, the aperture lens light hole and the detection instrument receiving port are adjusted according to the detection requirements.

[0032] In summary, the laser product safety monitoring device provided by the utility model has a simple structure and is easy to use. It can detect the main photoelectric parameters of the laser product, such as wavelength, power, divergence angle and subtending angle, thereby realizing the detection of the safety performance of the laser product and the classification of safety levels, thereby improving the safety of users when using laser products.

[0033] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the description and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A laser product safety monitoring device, characterized in that: include: Translation stage one, translation stage two, translation stage three, translation stage four, lifting platform, rotating platform, sample mounting platform, aperture lens holder, beam quality analyzer, integrating sphere, power / energy meter and spectrometer. Translation stage two, translation stage three and translation stage four are fixed side by side on translation stage one in sequence and placed perpendicular to translation stage one. The sample mounting platform is fixed on the rotating platform, the rotating platform is fixed on the lifting platform, the lifting platform is fixed on translation stage two, the aperture lens holder is fixed on translation stage three, the power / energy meter and spectrometer receiving port are connected to the integrating sphere, and the integrating sphere and beam quality analyzer are fixed side by side on translation stage four.

2. A laser product safety monitoring device according to claim 1, characterized in that: The second translation stage, the third translation stage and the fourth translation stage are respectively connected to the first translation stage in a sliding manner.

3. A laser product safety monitoring device according to claim 2, characterized in that: Translation stage 1, translation stage 2, translation stage 3, translation stage 4, as well as the lifting stage and rotating stage are all electrically controlled.

4. A laser product safety monitoring device according to claim 3, characterized in that: Laser ranging sensors are installed on the second translation stage, the third translation stage and the fourth translation stage respectively.

5. The laser product safety monitoring device according to claim 1, characterized in that: The lifting platform is slidably connected to the second translation stage, the aperture lens frame is slidably connected to the third translation stage, and the integrating sphere and the beam quality analyzer are slidably connected to the fourth translation stage.

6. The laser product safety monitoring device according to claim 1, characterized in that: The sample mounting platform includes a base plate and two fixing components, which are respectively fixed on the two side edges of the base plate. The fixing components include a carrier frame, a lifting rod and a pressure rod. The bottom of the carrier frame is provided with a connecting hole for fixing to the base plate, and the upper surface of the carrier frame is provided with a V-shaped groove for placing the laser product. Lifting rods are provided on the two side edges of the carrier frame, and a pressure rod that can be moved up and down is provided on the lifting rod. There are locking screws in the middle and side of the pressure rod. The pressure rod is adjusted up and down according to the size of the laser product to press the laser product, and the locking screw locks the pressure rod.

7. The laser product safety monitoring device according to claim 1, characterized in that: The iris lens holder is composed of two parts: a variable iris and an adjustable lens fixing part. The variable iris and the lens fixing part are tightly attached together. The variable iris can adjust the size of the light hole, and the lens fixing part can switch different types of lenses.

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