阅读说明：本技术 一种二氧化碳激光器 (Carbon dioxide laser ) 是由 时林勋 金朝龙 于 2021-08-31 设计创作，主要内容包括：本申请涉及一种二氧化碳激光器,其包括水平同轴设置的储气套、水冷套以及放电管,储气套长度方向的两端分别设有正电极以及负电极,正电极处设有全反镜,负电极处设有输出镜,水冷套外侧壁螺旋设有回气管,放电管内侧壁设有凸起,凸起沿着放电管的长度方向间隔设有多个,凸起呈环形设置。本申请具有提高放电管抗折弯性,提高激光成型效果的优点,并且能够减少激光束的损失,使得激光器快速达到使用需求,并且功率稳定。(The utility model relates to a carbon dioxide laser, it includes the coaxial gas storage cover, water-cooling jacket and the discharge tube that set up of level, and gas storage cover length direction's both ends are equipped with positive electrode and negative electrode respectively, are equipped with the total reflection of mirror at the positive electrode, and negative electrode department is equipped with the output mirror, and water-cooling jacket lateral wall spiral is equipped with the muffler, and the discharge tube inside wall is equipped with the arch, and the arch is equipped with a plurality ofly along the length direction interval of discharge tube, and the arch is the annular setting. This application has the advantage that improves discharge tube bending resistance, improves the laser forming effect to can reduce the loss of laser beam, make the laser instrument reach the user demand fast, and power is stable.)

1. A carbon dioxide laser, characterized by: including gas storage cover (1), water-cooling jacket (2) and discharge tube (100) of the coaxial setting of level, gas storage cover (1) length direction's both ends are equipped with positive electrode (3) and negative electrode (4) respectively, positive electrode (3) department is equipped with total reflection of mirror (5), negative electrode (4) department is equipped with output mirror (6), water-cooling jacket (2) lateral wall spiral is equipped with muffler (7), discharge tube (100) inside wall is equipped with arch (8), arch (8) are equipped with a plurality ofly along the length direction interval of discharge tube (100), arch (8) are the annular setting.

2. A carbon dioxide laser according to claim 1, characterized in that: the distance between the adjacent bulges (8) is 2mm-3 mm.

3. A carbon dioxide laser according to claim 1, characterized in that: the cross section of the bulge (8) is trapezoidal.

4. A carbon dioxide laser according to claim 1, characterized in that: the cross section of the bulge (8) is arc-shaped.

5. A carbon dioxide laser according to claim 1, characterized in that: the cross section of the bulge (8) is triangular.

6. A carbon dioxide laser according to claim 1, characterized in that: the cross section of the bulge (8) is rectangular.

7. A carbon dioxide laser according to claim 2, characterized in that: the length of the bulge (8) accounts for 80-90% of the length of the discharge tube (100).

8. A carbon dioxide laser according to claim 2, characterized in that: the ratio between the height of the protrusions (8) and the inner diameter of the discharge vessel (100) is in the range 1/10-1/6.

Technical Field

The application relates to the technical field of laser equipment, in particular to a carbon dioxide laser.

Background

The carbon dioxide laser is a laser generator commonly used in the fields of machinery, military, medical treatment, chemical industry and the like, and the conventional structure of the carbon dioxide laser comprises an air storage sleeve, a water cooling sleeve coaxially arranged at the inner side of the air storage sleeve and a discharge tube arranged at the inner side of the water cooling sleeve, electrodes are arranged at two ends of the length direction of the air storage sleeve, a total reflection mirror is arranged at one end of the length direction of the air storage sleeve, and an output mirror is arranged at the other end of the length direction of the air storage sleeve.

The working principle is as follows: one of the electrodes discharges at high voltage, so that the gas in the discharge tube absorbs energy and vibrates in the discharge tube, the output mirror is generally set as an 80% reflective mirror, the energy which does not reach a certain energy is reflected back by the output mirror to continue to vibrate until the energy of the gas in the discharge tube reaches a certain limit, and then 20% of laser is output from the output mirror.

With the continuous expansion of the application field of laser, the power of laser also has better requirements step by step at present, and the existing mode for improving the laser power is to increase the diameter or the length of a tube generally, so that more gas can vibrate at the same time.

However, the increase of the tube diameter of the discharge tube results in large occupied space and difficult processing; the length of extension discharge tube can lead to discharge tube to bend, and discharge tube itself is just very thin, if discharge tube extension again, leads to the light beam to make a round trip to vibrate's route space narrowing at discharge tube very easily to and blockked by the crooked inside wall of discharge tube, thereby influence the output effect of laser.

Disclosure of Invention

In order to solve the technical problem, the application provides a carbon dioxide laser, which has the advantages of large laser output power and stable output.

In order to achieve the purpose, the technical scheme of the invention is as follows:

the utility model provides a carbon dioxide laser, includes the coaxial gas storage cover, water-cooling jacket and the discharge tube that set up of level, gas storage cover length direction's both ends are equipped with positive electrode and negative electrode respectively, water-cooling jacket lateral wall spiral is equipped with the muffler, discharge tube inside wall is equipped with the arch, the arch is equipped with a plurality ofly along the length direction interval of discharge tube, the arch is the annular setting.

According to the technical scheme, on the first hand, the bulges play a role of reinforcing ribs, and the inner side wall of the originally smooth and continuous discharge tube is separated into a plurality of discontinuous areas by the bulges, so that the bending of the discharge tube towards the middle position is effectively reduced, the laser beam is ensured to be comprehensively and accurately output from an output port, and the laser forming effect is improved; in the second aspect, after the bending resistance of the discharge tube is enhanced, the discharge tube can be made longer, so that the gas quantity in the discharge tube is increased, and the output power of laser is increased; the third aspect, the laser beam vibrates because of absorption electrode energy in discharging the pipe, for smooth inside wall, it can make the laser beam take place diffuse reflection in the discharge tube to be equipped with bellied discharge tube inside wall, can effectively reduce the laser beam and see through discharge tube and wear out, thereby effectively utilize the laser in the discharge tube, make the quantity of the laser beam in the discharge tube more in the unit interval, thereby improve the output power of output mirror, and, because reduce the laser beam loss, can make the laser beam reach the active state of corresponding energy value more fast, the same discharge voltage can make the laser beam vibrate more rapidly, more lively, thereby output power and output efficiency are improved.

As one of the preferable schemes of the application, the distance between the adjacent bulges is 2mm-3 mm.

By the technical scheme, a sufficient number of laser beams can be ensured to be in contact with the protrusions, so that the oscillation power of the laser beams is improved, and the laser beams in the discharge tube can reach an energy state with specified intensity more quickly; meanwhile, the contact between the laser beam and the smooth inner side wall of the discharge tube is reduced, the reflection possibility of the laser beam in the tube is improved, and the utilization rate of the laser beam is improved.

As one of the preferable aspects of the present application, the cross section of the protrusion is trapezoidal.

As one of the preferable aspects of the present application, the cross section of the protrusion is arc-shaped.

As one of the preferable aspects of the present application, the cross section of the protrusion is triangular.

As one of the preferable aspects of the present application, the cross section of the protrusion is rectangular.

As one of the preferable schemes of the present application, the length of the protrusion accounts for 80% -90% of the length of the discharge tube.

As one of preferred embodiments of the present application, a ratio between a height of the protrusion and an inner diameter of the discharge tube ranges from 1/10 to 1/6.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the inner side wall of the discharge tube is provided with the bulge, so that the bending strength of the discharge tube is improved, the discharge tube can be made longer, the gas amount in the discharge tube is improved, the oscillation strength and the number of laser beams are improved, and the output power is improved;

2. the laser beam is subjected to diffuse reflection by the protrusions, so that the penetration loss of the laser beam is reduced, the oscillation intensity of the laser beam is improved, the laser beam can reach an energy state requiring activity more quickly, and the output efficiency and power are improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view mainly showing the internal structure of a carbon dioxide laser in example 1;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic view of the structure of a projection in example 2;

FIG. 4 is a schematic view of the structure of a projection in example 3;

FIG. 5 is a schematic view of the structure of the projection in example 4.

Reference numerals: 1. a gas storage sleeve; 2. water cooling jacket; 100. a discharge tube; 3. a positive electrode; 4. a negative electrode; 5. a total reflection mirror; 6. an output mirror; 7. an air return pipe; 8. and (4) protruding.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Example 1

Referring to fig. 1, a carbon dioxide laser is disclosed in an embodiment of the present application. This carbon dioxide laser instrument includes the hollow gas storage cover 1 that the level set up, at the coaxial fixedly connected with water cooling jacket 2 in the inside of gas storage cover 1, is equipped with in the inside of water cooling jacket 2 is coaxial to be equipped with and puts discharge tube 100, lets in the cooling water between water cooling jacket 2 and the discharge tube 100, and the one end of 1 length direction of gas storage jacket link up and is equipped with the inlet tube, and the other end of 1 length direction of gas storage jacket link up and is equipped with the outlet pipe, and inlet tube and outlet pipe all communicate with water cooling jacket 2.

Referring to fig. 1, a positive electrode 3 is arranged at one end of the gas storage sleeve 1 in the length direction, a total reflection mirror 5 is arranged at the positive electrode 3, a negative electrode 4 is arranged at the other end of the gas storage sleeve 1 in the length direction, and an output mirror 6 is arranged at the negative electrode 4, wherein the output mirror 6 adopts a 20% light transmission mirror. In the working process, discharge is generated between the positive electrode 3 and the negative electrode 4 to generate high voltage, so that gas in the discharge tube 100 is vibrated, and when the energy of a laser beam reaches a certain standard value, the laser beam is output from the output mirror 6 and finally forms laser after being focused.

Referring to fig. 1 and 2, a protrusion 8 is disposed on an inner sidewall of the discharge tube 100, the protrusion 8 is set to be in a ring shape, the protrusions 8 are disposed in parallel along a length direction of the discharge tube 100 at intervals, a cross section of the protrusion 8 is T-shaped, in this embodiment, the cross section of the protrusion 8 is set to be in an isosceles trapezoid shape, when a laser beam oscillates in the discharge tube 100, the protrusion 8 has a plurality of surfaces which can be in reflective contact with the laser beam, thereby reducing beam loss generated when the laser beam passes through the inner sidewall of a smooth portion of the discharge tube 100, and enabling the laser beam to rapidly reach a required active energy intensity.

Referring to fig. 2, the distance between adjacent protrusions 8 is set to be between 2mm and 3mm, the ratio of the thickness of the protrusions 8 to the diameter of the discharge vessel 100 is between 1/10 and 1/6, which is 1/8 in this embodiment, and the arrangement length of the protrusions 8 along the discharge vessel 100 accounts for 80% to 90% of the total plant of the discharge vessel 100.

The implementation principle of the carbon dioxide laser in the embodiment of the application is as follows: the bulges 8 play a role of reinforcing ribs, and the bulges 8 separate the originally smooth and continuous inner side wall of the discharge tube 100 into a plurality of discontinuous areas, so that the bending of the discharge tube 100 towards the middle position is effectively reduced, the laser beam is ensured to be comprehensively and accurately output from an output port, and the laser forming effect is improved; in a second aspect, after the bending resistance of the discharge tube 100 is enhanced, the discharge tube 100 can be made longer, thereby increasing the amount of gas in the discharge tube 100 and increasing the output power of the laser; in a third aspect, the laser beam oscillates in the discharge tube 100 due to the energy of the absorption electrode, for a smooth inner side wall, the inner side wall of the discharge tube 100 provided with the protrusion 8 can make the laser beam diffuse-reflect in the discharge tube 100, and it can be effectively reduced that the laser beam penetrates through the discharge tube 100 to pass out, thereby effectively utilizing the laser in the discharge tube 100, so that the number of the laser beams in the discharge tube 100 in unit time is more, thereby improving the output power of the output mirror 6, and because the loss of the laser beam is reduced, the laser beam can reach the active state of the corresponding energy value more quickly, the same discharge voltage can make the laser beam oscillate more quickly, and the laser beam is more active, thereby improving the output power and the output efficiency.

Example 2

Referring to fig. 3, the difference from embodiment 1 is that the cross section of the protrusion 8 is provided in an arc shape.

Example 3

Referring to fig. 4, the difference from embodiment 1 is that the cross section of the projection 8 is set to be triangular.

Example 4

Referring to fig. 5, the difference from embodiment 1 is that the cross section of the projection 8 is provided in a rectangular shape.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.