An integrated reflective window structure and a carbon dioxide laser tube

Abstract

The utility model relates to the field of laser tube, especially in kind of integrated reflection window structure and a carbon dioxide laser tube, reflection window structure includes the heat dissipation board and the reflector, and the reflector places on the top surface of heat dissipation board, the top surface of heat dissipation board is provided with the first metal layer, the bottom of reflector has the inner concave surface, is provided with the second metal layer on the inner concave surface, and the inner concave surface is located above the first metal layer, and the inner concave surface and heat dissipation board between fill have the welding layer, and the welding layer is used for connecting the first metal layer and the second metal layer. Through the welding layer connection first metal layer and the second metal, to connect the reflector and heat dissipation board into an organic whole, realized the fixation between both, also improved the anti-vibration of reflector, effectively avoided when under the action of external force, reflector appears vibration on heat dissipation board, further, also avoided through external fixing piece to fix reflector and heat dissipation board, improved the installation efficiency of reflector, accelerated the production progress of carbon dioxide laser tube.

Description

Technical Field

[0001] This utility model relates to the field of laser tubes, and in particular to an integrated reflective window structure and a carbon dioxide laser tube. Background Technology

[0002] The shell of a carbon dioxide laser tube is made of glass and is usually a three-layer tube structure. The inner layer is the discharge tube, the middle layer is the water-cooling tube, and the outermost layer is the gas storage tube and a spiral return gas tube connected to the discharge tube. Reflection windows and output windows are respectively set at the ends of the gas storage tube. The reflection window includes a reflecting mirror and a reflecting mirror cooling device, and the output window includes an output mirror and an output mirror cooling device. The discharge tube is filled with carbon dioxide gas and other auxiliary gases. When a high voltage is applied to the electrodes, a glow discharge is generated in the discharge tube. After being reflected by the reflecting mirror and the output mirror, a laser beam is formed and emitted from the output mirror to obtain the final laser beam.

[0003] Currently, in some carbon dioxide laser tubes, the reflector is fixed to the cooling device by an external frame. For example, Chinese utility model patent application number 202321365519.0 discloses a reflector window and a carbon dioxide laser tube. A mounting bracket is connected to the cooling device, and the reflector is located inside the mounting bracket. The mounting bracket indirectly presses the reflector by a buckle. However, since the reflector needs to be fixed by an external fastener (mounting bracket), the fixing method is cumbersome, inefficient, and has poor vibration resistance. The reflector is prone to vibration when subjected to external force. Utility Model Content

[0004] The purpose of this invention is to address the problem that fixing reflective lenses using external fasteners in the prior art is cumbersome, inefficient, and has poor vibration resistance, making the reflective lenses prone to vibration under external forces. This invention provides an integrated reflective window structure and a carbon dioxide laser tube.

[0005] In a first aspect, the present invention provides an integrated reflective window structure, including a heat sink and a reflector, wherein the reflector is placed on the top surface of the heat sink;

[0006] The top surface of the heat sink is provided with a first metal layer, the bottom of the reflector has a concave surface, a second metal layer is provided on the concave surface, the concave surface is located above the first metal layer, and a welding layer is filled between the concave surface and the heat sink, the welding layer is used to connect the first metal layer and the second metal layer.

[0007] The integrated reflective window structure of this application has a first metal layer plated on the top surface of the heat sink, and a concave surface at the bottom of the reflector. A second metal layer is plated inside the concave surface, and a welding layer is filled between the concave surface and the heat sink. The first metal layer and the second metal layer are connected by the welding layer, thereby connecting the reflector and the heat sink into one unit. This achieves fixation between the two and improves the vibration resistance of the reflector. It effectively prevents the reflector from vibrating on the heat sink when subjected to external forces. Furthermore, it also avoids fixing the reflector and the heat sink with external fasteners, improving the installation efficiency of the reflector and accelerating the production progress of the carbon dioxide laser tube.

[0008] Preferably, the first metal layer is a first silver plating layer.

[0009] Preferably, the second metal layer is a second silver plating layer.

[0010] Preferably, the welding layer is a low-melting-point metal layer.

[0011] Preferably, the heat sink is a silicon-based structural component.

[0012] Preferably, the thickness of the first metal layer is 10 nm to 20 nm.

[0013] Preferably, the thickness of the second metal layer is 10 nm to 20 nm.

[0014] Preferably, the thickness of the welding layer is 50nm to 100nm.

[0015] In a second aspect, this application also discloses a carbon dioxide laser tube, including the integrated reflective window structure described in this application.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] The integrated reflective window structure of this application has a first metal layer plated on the top surface of the heat sink, and a concave surface at the bottom of the reflector. A second metal layer is plated inside the concave surface, and a welding layer is filled between the concave surface and the heat sink. The first metal layer and the second metal layer are connected by the welding layer, thereby connecting the reflector and the heat sink into one unit. This achieves fixation between the two and improves the vibration resistance of the reflector. It effectively prevents the reflector from vibrating on the heat sink when subjected to external forces. Furthermore, it also avoids fixing the reflector and the heat sink with external fasteners, improving the installation efficiency of the reflector and accelerating the production progress of the carbon dioxide laser tube. Attached Figure Description

[0018] Figure 1 This is a front view of the reflective window structure of this application.

[0019] Figure 2 yes Figure 1Cross-sectional view.

[0020] Figure 3 yes Figure 2 A magnified view of part A.

[0021] Figure 4 This is a front view of the reflector.

[0022] Figure 5 yes Figure 4 A bottom view.

[0023] Figure 6 This is a top view of the cooling system.

[0024] Figure 7 This is a schematic diagram of Benshen's carbon dioxide laser tube.

[0025] Marked in the image:

[0026] 1-Heat sink,

[0027] 2-Reflecting mirrors

[0028] 21-Inner concave surface,

[0029] 3-First metal layer,

[0030] 4-Second metal layer,

[0031] 5-Weld layer,

[0032] 6-Discharge tube,

[0033] 7-Water cooling pipe,

[0034] 8-Gas storage pipe,

[0035] 9-Water cooling jacket. Detailed Implementation

[0036] The present invention will be further described in detail below with reference to specific embodiments. However, it should not be construed as limiting the scope of the present invention to the following embodiments; all technologies implemented based on the content of the present invention fall within the scope of the present invention.

[0037] Unless otherwise specified, the use of terms such as "upper," "lower," "left," "right," "center," "inner," and "outer" to indicate orientation or positional relationships in the description of specific embodiments of this utility model is based on the orientation or positional relationships shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product / equipment / device is typically placed during use. These terms are merely for the purpose of facilitating the description of the utility model solution or simplifying the description in specific embodiments, enabling those skilled in the art to quickly understand the solution, and do not indicate or imply that a specific device / component / element must have a specific orientation, or be constructed and operated in a specific positional relationship. Therefore, they should not be construed as limitations on this utility model.

[0038] Furthermore, the use of terms such as "horizontal," "vertical," "suspended," "parallel," and "coaxial" does not imply that the corresponding device / component / element must be absolutely horizontal, vertical, suspended, parallel, or coaxial. Slight tilt or deviation is permissible, as long as it does not affect the normal function of the relevant component. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," not that the structure must be perfectly horizontal; a slight tilt is acceptable. "Coaxial" means that two components are arranged as coaxially as possible, allowing them to move coaxially or approximately coaxially when their relative positions change. Alternatively, it can be simplified to mean that the corresponding device / component / element, when arranged in "horizontal," "vertical," "suspended," "parallel," or "coaxial" directions, can have an error / deviation of ±10% relative to the corresponding direction, more preferably within ±8%, more preferably within ±6%, more preferably within ±5%, and more preferably within ±4%. For example, the deviation in the "coaxial" direction is controlled within 0.2-1mm, preferably within 0.2-0.5mm. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its function in the present invention.

[0039] Furthermore, the use of terms such as "first," "second," and "third" in terminology is merely for distinguishing descriptions of identical or similar components and should not be interpreted as emphasizing or implying the relative importance of a particular component.

[0040] Furthermore, in the description of the embodiments of this utility model, "several", "multiple", and "several" represent at least two. The number can be any number, such as two, three, four, five, six, seven, eight, or nine, and can even exceed nine.

[0041] Furthermore, in the description of the technical solution of this utility model, unless otherwise explicitly specified / limited / restricted, the terms "set up," "install," "connect," "link," "equipped with," "laid out," and "arranged" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to common connection methods in the art, such as welding, riveting, bolting, and threaded connections. Such connections can be mechanical, electrical, or communication connections; they can be direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components.

[0042] Example 1

[0043] like Figures 1-6 As shown, this embodiment discloses an integrated reflective window structure, including a heat sink 1 and a reflector 2, with the reflector 2 placed on the top surface of the heat sink 1;

[0044] The top surface of the heat sink 1 is provided with a first metal layer 3, the bottom of the reflector 2 has a concave surface 21, a second metal layer 4 is provided on the concave surface 21, the concave surface 21 is located above the first metal layer 3, and a welding layer 5 is filled between the concave surface 21 and the heat sink 1. The welding layer 5 is used to connect the first metal layer 3 and the second metal layer 4.

[0045] like Figure 6 As shown, a first metal layer 3 is plated on the top surface of the heat sink 1;

[0046] like Figure 4 , Figure 5 As shown, the bottom of the reflector 2 has a concave surface 21, and a second metal layer 4 is plated inside the concave surface 21.

[0047] like Figure 3 As shown, a welding layer 5 is filled between the concave surface 21 and the heat sink 1. The first metal layer 3 and the second metal layer 4 are connected through the welding layer 5, thereby connecting the reflector 2 and the heat sink 1 into one unit, realizing the fixation between the two, improving the vibration resistance of the reflector 2, and effectively preventing the reflector 2 from vibrating on the heat sink 1 when subjected to external forces. Furthermore, it also avoids fixing the reflector 2 and the heat sink 1 with external fasteners, improving the installation efficiency of the reflector and accelerating the production progress of the carbon dioxide laser tube.

[0048] In one or more embodiments, the first metal layer 3 is a first silver plating layer.

[0049] In an optional embodiment, the second metal layer 4 is a second silver plating layer.

[0050] In this embodiment, both the first metal layer 3 and the second metal layer 4 are silver-plated layers. The first metal layer 3 and the second metal layer 4 serve as adhesion layers, which facilitates the connection of the welding layer 5 to the first metal layer 3 and the second metal layer 4, thereby realizing the connection between the heat sink 1 and the reflector 2.

[0051] Meanwhile, the silver plating layer 3 also has good thermal conductivity and facilitates heat transfer. When the reflector 2 is in operation, the heat of the reflector 2 is transferred to the heat sink 1 through the first metal layer 3, the welding layer 5, and the second metal layer 4.

[0052] In an optional embodiment, the welding layer 5 is a low-melting-point metal layer.

[0053] A low-melting-point metal layer is used as the welding layer 5 to facilitate heat conduction.

[0054] In this embodiment, low-melting-point metals refer to metals with melting points in the range of 160° to 400°.

[0055] Furthermore, in this embodiment, the low-melting-point metal is preferably indium or tin.

[0056] In this embodiment, in order to connect the heat sink 1 and the reflector 2, during the fabrication of the reflective window structure, a first metal layer 3 is electroplated on the top surface of the heat sink 1, a second metal layer 4 is electroplated on the concave surface 21 of the reflector 2, and a solid low-melting-point metal is placed on the first metal layer 3, such as a solid indium block.

[0057] Then, the reflector 2 is placed on the heat sink 1, and the concave surface 21 is covered on the solid low-melting-point metal. The solid low-melting-point metal is then heated to melt and fill the area between the concave surface 21 and the heat sink 1, forming a weld layer 5.

[0058] In this process, the first metal layer 3 and the second metal layer 4 are welded together during the melting of the solid low-melting-point metal. After the welded layer 5 cools, its upper and lower sides are respectively connected to the first metal layer 3 and the second metal layer 4, thereby achieving a fixed connection between the heat sink 1 and the reflector 2. Figure 1 , Figure 2 .

[0059] In one or more embodiments, the heat sink 1 is a silicon-based structural component;

[0060] Furthermore, the heat sink is a circular plate made of silicon material.

[0061] Silicon is hard, making it easy to grind and process. It is also inexpensive, which reduces manufacturing costs. Furthermore, silicon has a low coefficient of thermal expansion and good heat dissipation, which facilitates heat dissipation for reflector 2.

[0062] In an optional embodiment, the thickness of the first metal layer 3 is 10 nm to 20 nm.

[0063] In an optional embodiment, the thickness of the second metal layer 4 is 10 nm to 20 nm.

[0064] In an optional embodiment, the thickness of the welding layer 5 is 50nm to 100nm.

[0065] Example 2

[0066] Based on Example 1, such as Figure 7 As shown, this embodiment discloses a carbon dioxide laser tube, including a discharge tube 6, a water-cooling tube 7 sleeved outside the discharge tube 6, a gas storage tube 8 sleeved outside the water-cooling tube 7, and a cathode and anode disposed inside the discharge tube 6.

[0067] It also includes a reflective window structure for a carbon dioxide laser tube as described in Embodiment 1, wherein the reflective window structure is installed at one end of the gas storage tube 10;

[0068] Among them, a water-cooling jacket 9 is also provided on the side of the reflective window structure away from the gas storage pipe 8;

[0069] Furthermore, the heat sink 1 is connected to the water cooling jacket 9.

[0070] In this embodiment, the carbon dioxide laser tube has a first metal layer 3 plated on the top surface of the heat sink 1, and the bottom of the reflector 2 has a concave surface 21. A second metal layer 4 is plated inside the concave surface 21, and a welding layer 5 is filled between the concave surface 21 and the heat sink 1. The first metal layer 3 and the second metal layer 4 are connected by the welding layer 5, thereby connecting the reflector 2 and the heat sink 1 into one unit, realizing the fixation between the two, improving the vibration resistance of the reflector 2, improving the installation efficiency of the reflector, and accelerating the production progress of the carbon dioxide laser tube.

[0071] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An integrated reflective window structure, characterized in that, It includes a heat sink (1) and a reflector (2), wherein the reflector (2) is placed on the top surface of the heat sink (1); The top surface of the heat sink (1) is provided with a first metal layer (3), the bottom of the reflector (2) has a concave surface (21), a second metal layer (4) is provided on the concave surface (21), the concave surface (21) is located above the first metal layer (3), and a welding layer (5) is filled between the concave surface (21) and the heat sink (1), the welding layer (5) is used to connect the first metal layer (3) and the second metal layer (4).

2. The integrated reflective window structure according to claim 1, characterized in that, The first metal layer (3) is a first silver plating layer.

3. The integrated reflective window structure according to claim 1, characterized in that, The second metal layer (4) is a second silver plating layer.

4. The integrated reflective window structure according to claim 1, characterized in that, The welding layer (5) is a low-melting-point metal layer.

5. The integrated reflective window structure according to claim 1, characterized in that, The heat sink (1) is a silicon-based structural component.

6. The integrated reflective window structure according to claim 1, characterized in that, The thickness of the first metal layer (3) is 10nm to 20nm.

7. The integrated reflective window structure according to claim 1, characterized in that, The thickness of the second metal layer (4) is 10nm to 20nm.

8. The integrated reflective window structure according to claim 1, characterized in that, The thickness of the welding layer (5) is 50nm to 100nm.

9. A carbon dioxide laser tube, characterized in that, Includes the integrated reflective window structure as described in any one of claims 1-8.

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