Cooling device and laser using same

Abstract

The cooling device comprises a cold head, the upper end face of the cold head is provided with a first channel for laser output in a penetrating mode, and the cold head is provided with at least two opening parts communicating with each other; any opening part is connected with a switching nozzle, and the switching nozzle is used for being connected with a pipeline; the lower end face of the cold head can be connected with a connecting block in a sealed mode, and the connecting block is provided with a second channel matched with the first channel. The cold head has the beneficial effects that a cooling medium can be introduced into the cold head through the adapter nozzle and is sealed in the cold head by the connecting block, the cooling effect is good, the structure is simple, and the application range is wide.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of laser, in particular to a cooling device and a laser using the same. BACKGROUND

[0002] The laser is commonly used in mechanical, military, medical, chemical and other fields, and its structure generally comprises a gas storage pipe, a discharge pipe coaxial with the gas storage pipe, a cooling pipe sleeved on the discharge pipe, electrodes arranged at both ends of the gas storage pipe, an output mirror arranged on one side of the electrode and a tail mirror arranged on the other side of the electrode, and a laser power source acting on the electrode to make the medium gas in the discharge pipe oscillate to form a laser.

[0003] With the continuous improvement of laser power, the output mirror and the tail mirror need to be cooled to prevent high temperature from affecting the laser precision. SUMMARY

[0004] The present application aims to provide a cooling device and a laser using the same to solve the problem of high temperature of the output mirror and the tail mirror in the prior art.

[0005] The cooling device comprises a cold head, a first channel for laser output is arranged through the upper end surface of the cold head, and at least two open parts are arranged on the cold head and are in communication with each other; an adapter nozzle is connected at any open part, and the adapter nozzle is used for connecting a pipeline; a connecting block is sealingly connected to the lower end surface of the cold head, and a second channel matched with the first channel is arranged on the connecting block.

[0006] The cooling medium can pass into the cold head through the adapter nozzle and be sealed in the cold head by the connecting block, and the cooling and temperature reduction effect is good, the structure is simple, and the application range is wide.

[0007] In some embodiments, a cavity for accommodating the cooling medium is arranged inside the cold head.

[0008] In some embodiments, at least one open part is configured as an inlet for the cooling medium, and at least one open part is configured as an outlet for the cooling medium.

[0009] In some embodiments, a connecting surface matched with the shape of the cavity is arranged on the connecting block.

[0010] In some embodiments, the cold head is threadedly connected with the connecting block, and a sealing ring is arranged at the connection position.

[0011] In some embodiments, a sealing ring is arranged between the edge of the connecting surface and the edge of the inner side of the cold head.

[0012] In some embodiments, a sealing ring is arranged at the connection part of the first channel and the second channel.

[0013] In some embodiments, the adapter nozzle is capable of being sealingly connected with the opening portion, and a sealing ring is arranged at the connection.

[0014] A laser using a cooling device capable of being arranged on an output mirror and / or a tail mirror of the laser. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the specific embodiments or prior art of the present application, the drawings needed to be used in the description of the specific embodiments or prior art will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0016] Fig. 1 It is a structural view of the present application.

[0017] Figs. 2-3 It is a structural view of the cold head.

[0018] Fig. 4 It is a structural view of the adapter nozzle.

[0019] Fig. 5 It is a structural view of the connecting block.

[0020] Explanation of reference numerals in the drawings,

[0021] 1, cold head; 2, adapter nozzle; 3, connecting block; 11, first channel; 12, opening portion; 13, cavity; 31, second channel; 32, connecting surface; DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the present application more clear, the present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific embodiments described herein are part of the embodiments of the present application, rather than all the embodiments, and are used to explain the present application, but not to limit the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0023] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "inner", "outer", "two ends", "two sides", "bottom", "top" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the elements referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "superior", "inferior", "primary", "secondary" and the like are only for descriptive purposes and can be simply used to distinguish different components more clearly, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, or it can be mechanically connected, or it can be electrically connected, or it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] As shown in Figs. 1-5 ,

[0026] A cooling device comprises a cold head 1, a first channel 11 for laser output is provided through the upper end surface of the cold head 1, and at least two open parts 12 communicating with each other are arranged on the cold head 1; an adapter nozzle 2 is connected at any open part 12, and the adapter nozzle 2 is used for connecting a pipeline; a connecting block 3 can be sealingly connected to the lower end surface of the cold head 1, and a second channel 31 matched with the first channel 11 is arranged on the connecting block 3.

[0027] The pipeline mentioned here can be selected as an air-cooled pipe or a water-cooled pipe according to the cooling medium, but it needs to be further explained that the laser tail mirror is the place where high pressure is located, so the air-cooled scheme is usually used for cooling the laser tail mirror. The laser output mirror can use air-cooled, water-cooled and other schemes.

[0028] The adapter nozzle 2 can fix the pipeline.

[0029] Its beneficial effects are: the cooling medium can be introduced into the cold head 1 through the adapter nozzle 2 and be sealed in the cold head 1 by the connecting block 3, and the cooling and cooling effect is good, the structure is simple, and the application range is wide.

[0030] Preferably, a cavity 13 for accommodating the cooling medium is arranged in the cold head 1.

[0031] The cavity 13 is filled with cooling medium, which exchanges heat with the part to be cooled through the inner wall of the cold head 1.

[0032] Preferably, at least one opening part 12 is configured as an inlet for the cooling medium; and at least one opening part 12 is configured as an outlet for the cooling medium.

[0033] Preferably, the connecting block 3 is provided with a connecting surface 32 matching the shape of the cavity 13.

[0034] Preferably, the cold head 1 is threadedly connected with the connecting block 3, and a sealing ring is arranged at the connecting position.

[0035] Preferably, a sealing ring is arranged between the edge of the connecting surface 32 and the edge of the inner side of the cold head 1.

[0036] Preferably, a sealing ring is arranged at the connecting position between the first channel 11 and the second channel 31.

[0037] Preferably, the adapter nozzle 2 is sealingly connected with the opening part 12, and a sealing ring is arranged at the connecting position.

[0038] All the sealing rings mentioned above are arranged to improve the sealing between components, and ensure good medium sealing, which is helpful for heat dissipation.

[0039] A laser using a cooling device, which can be arranged on the output mirror and / or the tail mirror of the laser.

[0040] The above only describes some embodiments of the present application, which are used to illustrate the technical solutions of the present application, but not to limit the present application. It should be understood that, for those skilled in the art, without departing from the concept of the present application, the above description can be improved or replaced, and all these improvements and replacements should belong to the protection scope of the appended claims of the present application. In this case, all the details can be replaced by equivalent elements, and the materials, shapes and sizes can be arbitrary.

Claims

1. Cooling device, characterized in that The cold head (1) is provided with a first channel (11) for laser output at its upper end face, and at least two open sections (12) are arranged on the cold head (1) and are in communication with each other; an adapter nozzle (2) is connected to any of the open sections (12), and the adapter nozzle (2) is used for connecting a pipeline; a connecting block (3) is sealingly connected to the lower end face of the cold head (1), and the connecting block (3) is provided with a second channel (31) matched with the first channel (11).

2. A cooling device according to claim 1, characterized in that The cold head (1) is internally provided with a cavity (13) for accommodating a cooling medium.

3. A cooling device according to claim 1, characterized in that At least one of the open sections (12) is configured as an inlet for the cooling medium; and at least one of the open sections (12) is configured as an outlet for the cooling medium.

4. A cooling device according to claim 2, characterised in that The connecting block (3) is provided with a connecting surface (32) matched with the shape of the cavity (13).

5. The cooling device of claim 1, wherein, The cold head (1) can be threadedly connected with the connecting block (3), and a sealing ring is arranged at the connection.

6. A cooling device according to claim 4, characterised in that A sealing ring is arranged between the edge of the connecting surface (32) and the edge inside the cold head (1).

7. The cooling device of claim 1, wherein A sealing ring is arranged at the connection part of the first channel (11) and the second channel (31).

8. The cooling device of claim 1, wherein, The adapter nozzle (2) can be sealingly connected with the open section (12), and a sealing ring is arranged at the connection.

9. A laser using the cooling device according to any one of claims 1 to 8, characterized by The cooling device can be arranged on the output mirror and / or the tail mirror of a laser.

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