Power measurement structure for measuring water-jet guided laser power

Abstract

The invention provides a power measurement structure for measuring water-jet guided laser power, and relates to the technical field of water-jet guided laser. The power measurement structure for measuring the water-guided laser power comprises a power meter, a waterproof cover plate, waterproof glass and a water guide boss. The waterproof cover plate covers the measuring end of the power meter, the waterproof glass is installed on the waterproof cover plate, and the top surface of the waterproof glass is flush with the top surface of the waterproof cover plate; a plurality of water guide bosses are arranged on the waterproof cover plate, are distributed in the circumferential direction of the waterproof glass and can be in contact with the waterproof glass. The technical effect that the power meter is not affected by accumulated water when measuring the water-guided laser power is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of water-conducting lasers, and in particular to a power measurement structure for measuring the power of water-conducting lasers. Background Art

[0002] Water-guided laser processing technology is an advanced laser processing technology. Its principle is to use the phenomenon of total reflection of laser at the interface between water and air to confine the laser in a micro-laser water jet with a diameter of tens of microns. The laser water jet maintains an extremely high laser energy density, which can be used to achieve material removal processing.

[0003] In the field of water-guided lasers, a power meter is needed to test the power of the laser in the water jet. However, when the water jet hits the surface of the power meter, water is easily accumulated, which will affect the power test. Summary of the invention

[0004] The object of the present invention is to provide a power measurement structure for measuring water-conducting laser power, so as to alleviate the technical problem in the prior art that the power meter is affected by water accumulation when measuring the water-conducting laser power.

[0005] In a first aspect, an embodiment of the present invention provides a power measurement structure for measuring water-conducting laser power, including a power meter, a waterproof cover plate, waterproof glass, and a water-conducting boss;

[0006] The waterproof cover plate is provided on the measuring end of the power meter, the waterproof glass is installed on the waterproof cover plate, and the top surface of the waterproof glass is flush with the top surface of the waterproof cover plate;

[0007] The waterproof cover plate is provided with a plurality of water-conducting bosses, the plurality of water-conducting bosses are distributed along the circumference of the waterproof glass, and the water-conducting bosses can contact the waterproof glass.

[0008] In combination with the first aspect, an embodiment of the present invention provides a possible implementation of the first aspect, wherein the number of the water-conducting bosses is four, and the four water-conducting bosses are evenly distributed along the circumference of the waterproof glass.

[0009] In combination with the first aspect, an embodiment of the present invention provides a possible implementation of the first aspect, wherein a mounting hole for mounting the water guiding boss is opened on the waterproof cover plate, and the water guiding boss is mounted at the mounting hole by screws.

[0010] In combination with the first aspect, an embodiment of the present invention provides a possible implementation of the first aspect, wherein the bottom of the water-guiding boss is tightly in contact with the waterproof cover plate.

[0011] In combination with the first aspect, an embodiment of the present invention provides a possible implementation of the first aspect, wherein the bottom of the water-guiding boss is tightly in contact with the waterproof glass.

[0012] In combination with the first aspect, an embodiment of the present invention provides a possible implementation of the first aspect, wherein the cross-section of the water-guiding boss is circular.

[0013] In combination with the first aspect, an embodiment of the present invention provides a possible implementation of the first aspect, wherein the cross-section of the water-guiding boss is elliptical.

[0014] In combination with the first aspect, an embodiment of the present invention provides a possible implementation of the first aspect, wherein the cross-section of the water-guiding boss is square.

[0015] In combination with the first aspect, an embodiment of the present invention provides a possible implementation of the first aspect, wherein a sealing ring is provided between the waterproof cover and the power meter.

[0016] In combination with the first aspect, an embodiment of the present invention provides a possible implementation of the first aspect, wherein a sealing ring is provided between the waterproof glass and the waterproof cover plate.

[0017] Beneficial effects:

[0018] The present invention provides a power measurement structure for measuring water-conducted laser power, comprising a power meter, a waterproof cover plate, waterproof glass and a water-conducting boss; the waterproof cover plate is arranged on the measuring end of the power meter, the waterproof glass is installed on the waterproof cover plate, and the top surface of the waterproof glass is flush with the top surface of the waterproof cover plate; a plurality of water-conducting bosses are arranged on the waterproof cover plate, the plurality of water-conducting bosses are distributed along the circumference of the waterproof glass, and the water-conducting bosses can contact the waterproof glass.

[0019] Specifically, when the power of the laser is measured in the water jet of the water-guided laser, the water jet hits the waterproof glass on the surface of the power meter. The water jet flow in the water-guided laser is very small. Under the action of water tension, water will accumulate on the protective glass. When the accumulated water on the protective glass contacts the edge of the water-guide boss, the accumulated water can flow outward along the outer edge of the water-guide boss without forming water accumulation, and will never affect the power test. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 A schematic diagram of a power measurement structure for measuring water-conducting laser power provided by an embodiment of the present invention;

[0022] Figure 2 A half-section schematic diagram of a power measurement structure for measuring water-conducting laser power provided by an embodiment of the present invention.

[0023] icon:

[0024] 100 - power meter;

[0025] 200-waterproof cover;

[0026] 300-waterproof glass;

[0027] 400 - Water guide boss. DETAILED DESCRIPTION

[0028] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the 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.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] The present invention is further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0033] See also Figure 1 and Figure 2 As shown, this embodiment provides a power measurement structure for measuring water-conducted laser power, including a power meter 100, a waterproof cover plate 200, a waterproof glass 300 and a water-conducting boss 400; the waterproof cover plate 200 is covered on the measuring end of the power meter 100, the waterproof glass 300 is installed on the waterproof cover plate 200, and the top surface of the waterproof glass 300 is flush with the top surface of the waterproof cover plate 200; a plurality of water-conducting bosses 400 are arranged on the waterproof cover plate 200, and the plurality of water-conducting bosses 400 are distributed along the circumference of the waterproof glass 300, and the water-conducting bosses 400 can contact the waterproof glass 300.

[0034] Specifically, when the power of the laser is measured in the water jet of the water-guided laser, the water jet hits the waterproof glass 300 on the surface of the power meter 100. The water jet flow in the water-guided laser is very small. Under the action of water tension, water will accumulate on the protective glass. When the accumulated water on the protective glass contacts the edge of the water-guided boss 400, the accumulated water can flow outward along the outer edge of the water-guided boss 400 without forming water accumulation, and will never affect the power test.

[0035] There are four water guide bosses 400, which are evenly distributed along the circumference of the waterproof glass 300. In addition, those skilled in the art can also set the size and number of the water guide bosses 400 according to actual needs, which will not be described in detail here.

[0036] It should be noted that, when a plurality of water-conducting bosses 400 are mounted on the waterproof cover plate 200 , a portion of the water-conducting bosses 400 will be pressed against the waterproof glass 300 , and the water-conducting bosses 400 will fit tightly against each other.

[0037] The waterproof cover plate 200 is provided with a mounting hole for mounting the water-conducting boss 400 , and the water-conducting boss 400 is mounted at the mounting hole by means of screws.

[0038] The bottom of the water-guiding boss 400 is tightly in contact with the waterproof cover plate 200 .

[0039] The bottom of the water-guiding boss 400 is tightly in contact with the waterproof glass 300 .

[0040] See also Figure 1 and Figure 2 As shown, in an optional solution of this embodiment, the cross section of the water guiding boss 400 is circular.

[0041] Specifically, the cross section of the water-guiding boss 400 may be set to be circular. In addition, those skilled in the art may also set the shape of the water-guiding boss 400 according to actual needs, which will not be elaborated herein.

[0042] In an optional solution of this embodiment, the cross section of the water guiding boss 400 is elliptical.

[0043] Specifically, the cross section of the water-guiding boss 400 may be set to be an ellipse. In addition, those skilled in the art may also set the shape of the water-guiding boss 400 according to actual needs, which will not be elaborated herein.

[0044] In an optional solution of this embodiment, the cross section of the water guiding boss 400 is square.

[0045] Specifically, the cross section of the water-guiding boss 400 may be set to be square. In addition, those skilled in the art may also set the shape of the water-guiding boss 400 according to actual needs, which will not be elaborated herein.

[0046] See also Figure 1 and Figure 2 As shown, in an optional solution of this embodiment, a sealing ring is provided between the waterproof cover plate 200 and the power meter 100 .

[0047] Specifically, a sealing ring is provided between the waterproof cover plate 200 and the power meter 100 to form a seal between the waterproof cover plate 200 and the power meter 100, thereby preventing water vapor from entering the power meter 100 during the test and causing adverse effects.

[0048] See also Figure 1 and Figure 2 As shown, in an optional solution of this embodiment, a sealing ring is provided between the waterproof glass 300 and the waterproof cover plate 200 .

[0049] Specifically, a sealing ring is provided between the waterproof glass 300 and the waterproof cover plate 200 to form a seal between the waterproof cover plate 200 and the power meter 100, so as to prevent water vapor from entering the power meter 100 from between the waterproof glass 300 and the waterproof cover plate 200 during the test and causing adverse effects.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A power measurement structure for measuring water-conducting laser power, characterized in that: include: A power meter (100), a waterproof cover plate (200), a waterproof glass (300) and a water-conducting boss (400); The waterproof cover plate (200) is covered on the measuring end of the power meter (100), the waterproof glass (300) is installed on the waterproof cover plate (200), and the top surface of the waterproof glass (300) is flush with the top surface of the waterproof cover plate (200); The waterproof cover plate (200) is provided with a plurality of water-conducting bosses (400), the plurality of water-conducting bosses (400) are distributed along the circumference of the waterproof glass (300), and the water-conducting bosses (400) are capable of contacting the waterproof glass (300).

2. The power measurement structure for measuring water-conducting laser power according to claim 1, characterized in that: The number of the water-conducting bosses (400) is four, and the four water-conducting bosses (400) are evenly distributed along the circumference of the waterproof glass (300).

3. The power measurement structure for measuring water-conducting laser power according to claim 1, characterized in that: The waterproof cover plate (200) is provided with a mounting hole for mounting the water-conducting boss (400), and the water-conducting boss (400) is mounted at the mounting hole by means of screws.

4. The power measurement structure for measuring water-conducting laser power according to claim 3, characterized in that: The bottom of the water-conducting boss (400) is tightly in contact with the waterproof cover plate (200).

5. The power measurement structure for measuring water-conducting laser power according to claim 4, characterized in that: The bottom of the water-conducting boss (400) is in tight contact with the waterproof glass (300).

6. The power measurement structure for measuring water-conducting laser power according to claim 1, characterized in that: The cross section of the water-conducting boss (400) is circular.

7. The power measurement structure for measuring water-conducting laser power according to claim 1, characterized in that: The cross section of the water-conducting boss (400) is elliptical.

8. The power measurement structure for measuring water-conducting laser power according to claim 1, characterized in that: The cross section of the water-conducting boss (400) is square.

9. The power measurement structure for measuring water-conducting laser power according to any one of claims 1 to 8, characterized in that: A sealing ring is provided between the waterproof cover plate (200) and the power meter (100).

10. The power measurement structure for measuring water-conducting laser power according to claim 9, characterized in that: A sealing ring is provided between the waterproof glass (300) and the waterproof cover plate (200).

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